JP5828331B2 - connector - Google Patents

Description

  The present invention relates to a connector that holds a nut to which a screw member can be screwed.

  2. Description of the Related Art Connectors that are used by being fixed to a panel of an electric device or the like by a screw member such as a bolt or a screw are widely known. In such a connector, the nut is held in the housing, and a screw member penetrating the panel is screwed into the nut.

  For example, Patent Document 1 discloses a connector including a nut storage chamber in which a hex nut is stored, and six nut locks erected on the bottom of the nut storage chamber so as to surround the hex nut. Yes. Each nut lock has a flexible pole part and a claw part formed at the free end of the pole part. An inclined surface is formed at the tip of each claw. In this connector, the hexagon nuts brought into contact with the inclined surfaces of the respective claw portions are pushed in the axial direction, the respective pole portions are bent in the outer peripheral direction, and the hexagon nuts are inserted into the nut storage chambers. When the hexagon nut is inserted into the nut storage chamber, each pole portion returns to the original position, and the hexagon nut is positioned in the axial direction and held in the nut storage chamber. The bolt is inserted from the opposite side to the insertion direction of the hex nut and screwed into the hex nut.

JP 08-1111269 A

  However, in the technique described in Patent Document 1 described above, the bolt insertion direction is the same as the hexagon nut insertion direction and in the opposite direction (removal direction). Each pole portion may be bent in the outer peripheral direction, and the hexagon nut may be detached from the nut storage chamber.

  In addition, each pole portion must be formed to be thin so as to bend, and in order to secure sufficient rigidity to withstand the pressing force from the bolt, many (six) nut locks as in the technique described in Patent Document 1. It was necessary to provide. For this reason, there was a problem that it took time and effort to reduce the cost.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a connector that can hold a nut appropriately with a simple configuration.

  In order to solve the above-described problem, a first connector of the present invention includes a housing that holds a connection terminal, and a nut holding portion that holds a nut to which a screw member inserted through the housing can be screwed. The nut holding portion is configured to restrict a movement of the nut housed in the nut housing chamber in the axial direction, and a nut housing chamber formed so that the nut can be attached and detached from a direction orthogonal to the axial direction of the nut. A fixed lock portion that is fixed, an opening position that allows entry of the nut into the nut housing chamber, and a closed position that restricts removal of the nut housed in the nut housing chamber are provided to be displaceable. And a movable lock portion.

  According to the first connector of the present invention, the mounting direction of the nut and the axial direction of the nut (that is, the insertion direction of the screw member) are orthogonal to each other. Moreover, the fixed lock part which controls the movement to the axial direction of the nut accommodated in the nut accommodating chamber is fixedly provided. Thus, even when the screw member is screwed into the nut while being pressed, the pressing force can be counteracted, and the nut can be reliably prevented from detaching from the nut housing chamber. Further, the movable lock portion allows the nut to enter the nut accommodating chamber, but restricts the removal of the nut accommodated in the nut accommodating chamber. Thereby, for example, the holding state of the nut can be maintained against an unintended impact such as when the connector is dropped.

  The second connector according to the present invention is the first connector described above, wherein the inside and outside of the nut housing chamber are in communication with each other, and an attachment / detachment path that defines a direction in which the nut can be attached / detached, and enters the attachment / detachment path. And a first guide part for restricting movement of the nut in the axial direction.

  According to the second connector of the present invention, the nut enters the attachment / detachment path while being positioned in the axial direction by the first guide portion. Thereby, it is possible to easily and smoothly perform the operation of inserting the nut into the attachment / detachment path and attaching the nut from the attachment / detachment path to the nut housing chamber.

  According to a third connector of the present invention, in the second connector described above, a part of the attachment / detachment path is formed in the vicinity of the outside of the movable lock portion provided in the vicinity of the nut housing chamber of the attachment / detachment path. It is preferable to provide the 2nd guide part provided.

  According to the third connector of the present invention, the nut enters the attachment / detachment path in a state in which the nut is arranged in a detachable direction while being guided by the second guide portion. Thereby, it is possible to easily and smoothly perform the operation of inserting the nut into the attachment / detachment path and attaching the nut from the attachment / detachment path to the nut housing chamber. Moreover, since the 2nd guide part is provided in the outer side of the movable lock part, when making a nut approach into an attachment or detachment path, it can prevent that a nut contacts a movable lock part. Thereby, a movable lock part can be protected.

  According to a fourth connector of the present invention, in the third connector described above, inclined surfaces are respectively provided on the attachment / detachment path side of the outer surface of the first guide part and on the attachment / detachment path side of the outer surface of the second guide part. Preferably it is formed.

  According to the fourth connector of the present invention, it is possible to enter the attachment / detachment path while guiding the nut to each inclined surface. Thereby, the nut can be inserted into the attachment / detachment path more easily and smoothly.

  According to a fifth connector of the present invention, in any one of the first to fourth connectors described above, the movable lock portion includes an arm portion extending along the axial direction from the bottom surface of the attachment / detachment path, and the arm. A claw portion formed on a free end side of the portion and provided so as to be able to contact the nut housed in the nut housing chamber, and the fixing lock portion extends toward a center of the nut housing chamber. A pair of locking pieces are arranged so as to face each other, and inclined surfaces are formed on the free end side of the outer surface of the claw portion and on the nut housing chamber side of the outer surface of each locking piece, respectively. It is preferable.

  According to the fifth connector of the present invention, when the side surface of the nut that has entered the attachment / detachment path contacts the inclined surface of the claw portion, the arm portion is displaced so as to allow the nut to enter the nut housing chamber. To do. That is, by the inclined surface of the claw portion, the force toward the nut entering direction is converted into the force at which the arm portion (movable lock portion) moves toward the opening position. Thereby, a movable lock part can be displaced to an opening position appropriately. In addition, since the pair of lock pieces are provided at opposing positions, it is possible to appropriately counteract the pressing force when screw members are screwed onto the nut, and reliably prevent the nut from being removed from the nut housing chamber. can do. Further, the nut can be accommodated in the nut accommodating chamber while being guided by the inclined surface of each lock piece.

  According to a sixth connector of the present invention, in the fifth connector described above, the nut is a hex nut, and the nut housing chamber contacts at least two of the six side surfaces of the outer periphery of the nut. An inclined surface is formed on the free end side of the inner surface of the claw portion, and the inclined surface is formed at an angle parallel to the opposing side surface of the nut housed in the nut housing chamber. It is preferable that

  According to the sixth connector of the present invention, it is possible to prevent the nut from being rotated in the nut housing chamber when the screw member is screwed into the nut. Further, since the inclined surface inside the claw portion is formed in parallel with the opposing side surface of the nut in the nut housing chamber, for example, an impact is applied to the connector, and the nut housed in the nut housing chamber collides with the inclined surface. Even so, the force acting on the inclined surface is dispersed. As a result, the force acting in the direction in which the movable lock portion is not displaced can be reduced, and the impact can be released in the direction of displacement. Therefore, damage such as twisting or breaking of the movable lock portion can be prevented appropriately.

  According to the present invention, a connector capable of appropriately holding a nut can be obtained with a simple configuration.

It is a perspective view which shows the state (fitting side with the other party connector) which attached the connector which concerns on one Embodiment of this invention to the panel. It is a perspective view which shows the state (cable connection side) which attached the connector which concerns on one Embodiment of this invention to the panel. It is a perspective view which shows the housing of the connector which concerns on one Embodiment of this invention from the connection side of a cable. It is a rear view which shows the housing of the connector which concerns on one Embodiment of this invention. It is a perspective view which shows the nut holding | maintenance part of the connector which concerns on one Embodiment of this invention. It is a rear view which shows the nut holding | maintenance part of the connector which concerns on one Embodiment of this invention. It is a side view which shows the nut holding | maintenance part of the connector which concerns on one Embodiment of this invention. It is AA sectional drawing in FIG. It is BB sectional drawing in FIG. It is a figure which shows the procedure which makes a nut holding part of the connector which concerns on one Embodiment of this invention hold | maintain a nut, and is a rear view which shows the state which inserted the nut in the attachment / detachment path. It is a figure which shows the procedure which makes a nut holding part of the connector which concerns on one Embodiment of this invention hold | maintain a nut, and is a rear view which shows the state which the movable lock part displaced to the open position. It is a figure which shows the procedure which makes a nut holding part of the connector which concerns on one Embodiment of this invention hold | maintain a nut, and is a rear view which shows the state in which the nut was accommodated in the nut accommodation chamber.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description, for the sake of convenience, the front-rear, left-right, and up-down directions are set as indicated by arrows in each drawing.

  The configuration of the connector 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4. Here, FIG. 1 and FIG. 2 are perspective views showing a state where the connector 1 is attached to the panel 100. FIG. 3 is a perspective view showing the housing 2 of the connector 1 from the cable connection side, and FIG. 4 is a rear view of the housing 2.

  The connector 1 is used, for example, for connecting a power supply wiring or a communication wiring in an electric / electronic circuit or the like, and holds a nut 22 used in combination with a male screw member 102 such as a bolt or a screw. It has a structure.

  As shown in FIGS. 1 and 2, the connector 1 includes a housing 2 having a main appearance, and a plurality of (for example, two) connectors that are held inside the housing 2 and are electrically connected to mating terminals of a mating connector (not shown). ) And a plurality of (for example, two) cables 4 electrically connected to each connection terminal 3.

  The housing 2 has a connector main body 5 formed in a substantially box shape with the front-rear direction open, and flange portions 6 protruding from the upper surface and the left and right side surfaces of the connector main body 5. The connector body 5 and the flange portion 6 are integrally formed of an insulating material such as synthetic resin.

  At the center of the connector body 5 in the left-right direction, a ridge 10 protruding upward is formed. The ridge portion 10 extends from the front end of the connector body 5 to the flange portion 6. On the front surface of the connector main body 5, a convex fitting portion 11 is formed in a front view where the mating connector is fitted, and on the opposite side, a terminal insertion portion 12 communicating with the fitting portion 11 is formed. .

  The inside of the fitting part 11 and the terminal insertion part 12 is divided into right and left so that the connection terminal 3 crimped | bonded to the front-end | tip of the cable 4 can be inserted. A terminal holding portion 13 that holds the inserted connection terminal 3 is provided in each fitting portion 11 that is partitioned into the left and right sides (see FIGS. 3 and 4). When the connection terminal 3 crimped to the tip of each cable 4 is inserted from the terminal insertion portion 12 side, the connection terminal 3 is locked to the terminal holding portion 13 in the fitting portion 11. As a result, each cable 4 is connected to the connector main body 5 in a state of being prevented from being detached.

  As shown in FIGS. 2 to 4, the flange portion 6 extends outward from the left and right side surfaces of the connector body 5 and the panel contact portion 14 extending upward from the upper surface of the connector body 5. Connector fixing portion 15. In the manufacturing process of the connector 1, the flange portion 6 is provided with a plurality of hollow portions.

  Although details will be described later, a nut holding portion for holding a nut 22 to which a male screw member 102 penetrating the screw through hole 21 (inserted through the housing 2) can be screwed is provided in the approximate center of each connector fixing portion 15 in rear view. 20 is formed.

  Here, the fixing of the connector 1 to the panel 100 will be briefly described.

  The connector 1 is fitted into a connector opening 101 formed through the panel 100 from the back side (rear side) of the panel 100. At this time, the flange portion 6 (the panel contact portion 14 and each connector fixing portion 15) is in contact with the rear surface of the panel 100.

  Further, a through hole (not shown) is formed in the panel 100 at a position corresponding to the screw through hole 21 of each connector fixing portion 15 in a state of being fitted in the connector opening 101. The male screw member 102 is inserted from the front side (front side) of the panel 100 so as to pass through each through hole and each screw through hole 21, and is screwed into a nut 22 held by each nut holding portion 20. It has become. Thereby, the connector 1 is fixed to the panel 100.

  Next, the nut holding portion 20 will be described in detail with reference to FIGS. The pair of left and right nut holding portions 20 have the same structure, and thus the left nut holding portion 20 will be mainly described. Here, FIGS. 5 to 7 show the nut holding portion 20, FIG. 5 is a perspective view, FIG. 6 is a rear view, and FIG. 7 is a side view. 8 is a cross-sectional view taken along the line AA in FIG. 4, and FIG. 9 is a cross-sectional view taken along the line BB in FIG. In the following description, for the sake of convenience, the front-rear direction is also referred to as “axial direction”, the left-right direction is also referred to as “depth direction”, and the vertical direction is also referred to as “width direction”. The left side (outside) of the nut holding portion 20 is also referred to as “front side”, and the right side (inside) is also referred to as “back side”.

  As shown in FIGS. 4 and 5, the nut holding portion 20 includes a nut housing chamber 30 in which the nut 22 is detachably formed from a direction (depth direction) orthogonal to the axial direction of the nut 22, and the nut housing chamber 30. The fixed lock portion 31 fixed so as to restrict the movement of the accommodated nut 22 in the axial direction, and the inside and the outside of the nut accommodating chamber 30 are communicated in the depth direction, and the direction in which the nut 22 can be attached and detached is set. An attachment / detachment path 32 formed so as to be defined and a movable lock portion 33 provided to restrict movement of the nut 22 accommodated in the nut accommodation chamber 30 in the depth direction are configured.

  As shown in FIGS. 2 and 3, the nut 22 accommodated in the nut accommodating chamber 30 is a so-called hexagonal nut, and the male screw member 102 is screwed into a female screw penetrating in the axial direction. ing.

  As shown in FIGS. 5 to 9, the nut housing chamber 30 is recessed in the approximate center of the connector fixing portion 15 in the rear view. The nut housing chamber 30 includes a floor portion 34 on which one axial surface (front end surface) of the nut 22 abuts, and side walls 35a, 35b, 35c, and 35d that are in contact with four of the six outer peripheral side surfaces of the nut 22. , Surrounded by.

  In the floor portion 34, the above-described screw through hole 21 is formed at a position corresponding to the female screw of the nut 22. A screw taper portion 21a is provided at the front end portion of the side wall of the screw through hole 21 so that the male screw member 102 can be easily inserted (see FIG. 8). In addition, a pair of rectangular cut portions 21b are recessed in the screw through holes 21 at positions facing each other in the width direction (see FIGS. 6 and 8). A part of a mold for forming each fixed lock portion 31 is inserted into the pair of cut portions 21b when the housing 2 is manufactured.

  As shown in FIGS. 5, 6, and 8, the side walls 35 a to 35 d are provided with a pair of side walls 35 a and 35 b at positions facing each other in the width direction, and the rear side so as to connect the pair of side walls 35 a and 35 b. A pair of side walls 35c and 35d are provided continuously (on the connector body 5 side). That is, the side walls 35a to 35d are continuously provided so as to be in contact with four side surfaces except for two continuous side surfaces on the outer side (near side) of the nut 22. The interval between the opposing side wall 35a and the side wall 35b is formed slightly larger than the interval between two opposing side surfaces of the nut 22. That is, the nut housing chamber 30 is formed with a tolerance capable of holding the nut 22. Moreover, the axial lengths of the side walls 35a to 35d are formed longer than the axial length (thickness) of the nut 22, respectively (see FIG. 7).

  As shown in FIGS. 5 to 9, the fixed lock portion 31 includes a pair of lock pieces 36 provided at the rear end portions of the pair of side walls 35 a and 35 b facing each other in the width direction. Each lock piece 36 extends in parallel with the floor 34 from the center in the depth direction of each side wall 35a, 35b toward the center of the nut housing chamber 30, and is disposed opposite to each other. Each lock piece 36 is formed in a rectangular plate shape, and one end thereof is fixed so as to be integrated with each side wall 35a, 35b. The opposing free end surfaces of the pair of lock pieces 36 are separated from each other, and the separation distance is substantially the same as the diameter of the female screw portion (screw through hole 21) of the nut 22. Thereby, it can prevent that the front end surface of the external thread member 102 which screwed together with the nut 22 and protruded back contacts each lock piece 36. FIG.

  The rear surface of each lock piece 36 is flush with the rear surface of the connector fixing portion 15, and a fixed-side taper portion 36 a is formed on the rear surface of each lock piece 36 toward the free end. In addition, a fixed-side inclined surface 36b is formed on the front side (the nut housing chamber 30 side) of the outer side surface (front side surface) of each lock piece 36 (see FIGS. 7 and 9). A wall-side tapered portion 35e is formed on the side wall 35b on the near side of the upper lock piece 36.

  The nut 22 is accommodated in a space surrounded by the floor 34, the side walls 35a to 35d, and the pair of lock pieces 36 (see FIG. 5). Note that a gap is formed between the nut 22 and each lock piece 36 in a state where the nut 22 is in contact with the floor portion 34 (see FIG. 7).

  As shown in FIGS. 5 to 7, one end (back side) of the attachment / detachment path 32 is connected to the nut housing chamber 30, the other end (front side) is connected to the outside, and the back side is open. That is, the nut housing chamber 30 and the attachment / detachment path 32 form a series of spaces.

  The detachable path 32 is formed by being surrounded by a detachable floor 40 that is flush with the floor 34 and detachable sidewalls 41a and 41b that are formed on the same plane as the side walls 35a and 35b.

  One surface (front end surface) in the axial direction of the nut 22 is in contact (sliding contact) with the detachable floor portion 40. In the detachable floor portion 40, a rectangular cut portion 40a is recessed from the near side toward the far side along the detachable side wall 41a. A part of a mold for forming a first guide portion 42 described later at the time of manufacturing the housing 2 is inserted into the cut portion 40a.

  A pair of opposing side surfaces of the nut 22 is in contact (sliding contact) with the detachable side walls 41a and 41b. The lower attachment / detachment sidewall 41a is flush with the sidewall 35a, and a sidewall inclined surface 41c is formed on the upper side (attachment / detachment path 32 side) of the attachment / detachment sidewall 41a. The detachable side wall 41 a is provided with a first guide portion 42 that restricts the movement of the nut 22 entering the detachable path 32 in the axial direction.

  The 1st guide part 42 is extended in parallel with the removable floor part 40 toward the center of the removable path 32 from the back side outer end part of the removable side wall 41a. The first guide portion 42 is formed in a rectangular plate shape like the lock piece 36 described above, and one end thereof is fixed so as to be integrated with the detachable side wall 41a. The outer surface (left side surface) and the rear surface of the first guide portion 42 are flush with the outer surface and the rear surface of the connector fixing portion 15, respectively. The rear surface of the first guide portion 42 is first toward the free end. A tapered portion 42a is formed. Moreover, the 1st inclined surface 42b is formed in the front side (detachable path 32 side) of the outer surface of the 1st guide part 42 (refer FIG. 7). Note that a gap is formed between the nut 22 and the first guide portion 42 in a state where the nut 22 is in contact with the removable floor portion 40 (see FIG. 7).

  As shown in FIGS. 5, 6, and 9, the front side of the side wall 35 b is provided with a movable concave portion 43 that is rectangular in a rear view when viewed from the rear. A movable inclined surface 43a is formed between the movable recess 43 and the side wall 35b. A movable lock portion 33 is disposed in the movable recess 43, and the second guide portion is formed in the vicinity of the outside (near side) of the movable lock portion 33 so as to constitute a part of the upper detachable side wall 41b (detachable path 32). 44 is provided.

  As shown in FIGS. 5 to 7, the lower surface (the inner surface on the side of the attachment / detachment path 32) of the second guide portion 44 is formed on the same plane as the side wall 35 b, and the outer surface (the left side surface) of the second guide portion 44. ) Is flush with the outer surface of the connector fixing portion 15. A second tapered portion 44a is formed at the rear end portion of the second guide portion 44, and a second inclined surface 44b is formed below the outer surface of the second guide portion 44 (on the side of the detachable path 32). Has been. In addition, the space | interval of the attachment / detachment side wall 41a and the 2nd guide part 44 (attachment / detachment side wall 41b) is the same as the space | interval of the opposing side wall 35a and the side wall 35b.

  As shown in FIGS. 6, 7, and 9, the movable lock portion 33 includes an arm portion 45 extending along the axial direction from the detachable floor portion 40 (bottom surface) of the detachable passage, and a free end of the arm portion 45. And a claw portion 46 that is integrally formed on the side and provided so as to be able to contact the nut 22 accommodated in the nut accommodating chamber 30.

  The arm portion 45 is provided in a standing posture on the removable floor portion 40 in the movable recess 43. More specifically, the arm portion 45 is provided at a position above the line connecting the side wall 35b and the second guide portion 44 (see the one-dot chain line in FIG. 6), and does not contact the nut 22 passing through the attachment / detachment path 32. It is like that. Moreover, the free end surface of the arm part 45 is extended to the substantially the same position as the front end surface of the lock piece 36 (refer FIG. 5 and FIG. 9). Note that a rectangular opening 40b is formed through the removable floor 40 at a position below the connecting portion of the arm 45 (see FIG. 9). A part of a mold for forming the claw 46 is inserted into the opening 40b when the housing 2 is manufactured.

  Moreover, the arm part 45 has flexibility and rotates (bends) in the width direction centering on a connection part with the detachable floor part 40. The movable recess 43 described above is formed in a size that allows the arm portion 45 to rotate upward.

  The claw portion 46 protrudes in a cantilever shape from the distal end portion of the arm portion 45 toward the center of the attachment / detachment path 32. On the rear surface of the claw portion 46, a movable side taper portion 46a is formed toward the free end. Further, an inner inclined surface 46b and an outer inclined surface 46c are formed on the free end sides of the inner and outer side surfaces of the claw portion 46, respectively. Between the inner inclined surface 46b and the outer inclined surface 46c, a slidable contact surface 46d parallel to the detachable side wall 41a is formed.

  Further, when the arm portion 45 is not bent, the claw portion 46 is provided at a position protruding below the line connecting the side wall 35b and the second guide portion 44 (see the one-dot chain line in FIG. 6). Thereby, the inner inclined surface 46b or the outer inclined surface 46c of the claw portion 46 comes into contact with the upper rear portion of the nut 22 in contact with the floor portion 34 or the detachable floor portion 40.

  In the following description, the position of the movable lock portion 33 (claw portion 46) in a normal state where the arm portion 45 is not bent is referred to as a “closed position”, and the movable portion is movable when the arm portion 45 is bent upward. The position of the lock part 33 (claw part 46) will be referred to as an “opening position”.

  Next, a procedure for holding the nut 22 in the nut holding portion 20, that is, a procedure for housing the nut 22 in the nut housing chamber 30 through the attachment / detachment path 32 from the outside will be described with reference to FIGS. Here, as an example, a case where the nut 22 is held by the left nut holding portion 20 will be described. Here, FIG. 10 to FIG. 12 are views showing a procedure for holding the nut 22 in the nut holding portion 20, and FIG. 10 is a rear view showing a state in which the nut 22 is inserted into the attachment / detachment path 32. FIG. 12 is a rear view showing a state where the movable lock portion 33 is displaced to the opening position, and FIG. 12 is a rear view showing a state where the nut 22 is housed in the nut housing chamber 30.

  First, as shown in FIG. 10, the user inserts the nut 22 from the attachment / detachment path 32 opened in the left end surface of the left connector fixing portion 15. At this time, the nut 22 is slidably contacted with the first inclined surface 42b (see FIG. 7) of the first guide portion 42, so that the nut 22 is guided into the attachment / detachment path 32 while being restricted from moving in the axial direction. At this time, the nut 22 is slidably contacted with the side wall inclined surface 41c of the detachable side wall 41a and the second inclined surface 44b (see FIG. 7) of the second guide portion 44, so that the nut 22 rotates around the axis, It is guided into the detachable path 32 while being in a direction allowing entry. Thereby, since the nut 22 can be made to enter the attachment / detachment path 32 while being guided by the inclined surfaces 41c, 42b, 44b, the nut 22 can be inserted into the attachment / detachment path 32 easily and smoothly.

  Next, when the user pushes the nut 22 that has entered the attachment / detachment path 32 into the back side, the nut 22 is attached to the attachment / detachment floor 40, the attachment / detachment sidewall 41a, the attachment / detachment sidewall 41b (second guide portion 44), While being guided by the one guide part 42, it slides on the removable floor part 40. As the nut 22 slides, the inner side surface of the nut 22 comes into contact with the outer inclined surface 46 c of the claw portion 46.

  When the user pushes in the nut 22 further, the side surface of the nut 22 starts to slidably contact the outer inclined surface 46c of the claw portion 46, and the arm portion 45 bends upward. As a result, the movable lock portion 33 in the closed position is displaced to the opening position that allows the nut 22 to enter the nut housing chamber 30 from the attachment / detachment path 32. As the nut 22 slides further, as shown in FIG. 11, the sliding contact surface 46 d of the movable lock portion 33 displaced to the opening position starts to slide on the upper side surface continuous with the inner side surface of the nut 22. Further, the back side of the nut 22 starts to enter the nut accommodating chamber 30. At this time, the nut 22 is guided by the movable inclined surface 43 a and enters the nut housing chamber 30.

  When the user pushes the nut 22 further, the nut 22 is accommodated in the nut accommodating chamber 30 as shown in FIG. At this time, since each lock piece 36 has a fixed-side inclined surface 36b (see FIG. 9), the nut 22 can be easily inserted into the nut accommodating chamber 30 while being guided by each fixed-side inclined surface 36b. It can be carried out.

  Further, the upper side surface of the nut 22 starts to slidably contact the inner inclined surface 46b of the claw portion 46, and the arm portion 45 starts to rotate downward due to its own restoring force. As a result, the movable lock portion 33 located at the open position is displaced to the closed position that restricts the removal of the nut 22 housed in the nut housing chamber 30.

  Further, the sliding of the nut 22 is stopped when two continuous side surfaces on the back side of the nut 22 abut against the side walls 35 c and 35 d of the nut housing chamber 30. That is, the side walls 35c and 35d serve to position the nut 22 and function as a stopper. Further, the nut 22 is fixed around the axis by the side walls 35a to 35d, and when the male screw member 102 is screwed to the nut 22, the nut 22 can be prevented from being rotated in the nut housing chamber. .

  When the nut 22 is completely accommodated in the nut accommodating chamber 30, the movable lock portion 33 is completely displaced to the closed position, and the nut 22 is held by the nut holding portion 20. In this state, the female screw of the nut 22 substantially coincides with the screw through hole 21.

  The inner inclined surface 46b of the claw portion 46 is formed at an angle parallel to the front upper side surface (opposite side surface) of the nut 22 accommodated in the nut accommodation chamber 30 (see FIG. 12). For this reason, for example, even if an impact is applied to the connector 1 and the nut 22 accommodated in the nut accommodating chamber 30 collides with the inner inclined surface 46b, the force acting on the inner inclined surface 46b is dispersed. Thereby, the force which acts in the direction which the movable lock part 33 does not bend can be made small, and an impact can be escaped in the direction which bends. Therefore, damage such as twisting or breaking of the movable lock portion 33 can be appropriately prevented. The nut 22 is accommodated in the nut accommodating chamber 30 with a slight gap between the inner inclined surface 46b.

  When removing the nut 22 from the nut housing chamber 30, the user moves the movable lock portion 33 to the closed position and moves the nut 22 toward the outside (the attachment / detachment path 32) using a needle-like member or the like. Slide. At this time, the nut 22 can be smoothly taken out from the nut accommodating chamber 30 by using the inner inclined surface 46b as a guide.

  According to the connector 1 according to the embodiment of the present invention described above, the mounting (entry) direction of the nut 22 and the axial direction of the nut 22 (that is, the insertion direction of the male screw member 102) are orthogonal to each other. . Further, a fixed lock portion 31 that restricts movement of the nut 22 accommodated in the nut accommodating chamber 30 in the axial direction is fixedly provided. Thus, even when the male screw member 102 is screwed into the nut 22 while being screwed, the pressing force can be counteracted, and the nut 22 is reliably prevented from being detached from the nut housing chamber 30. be able to. Moreover, since the fixed lock part 31 is comprised from a pair of lock piece provided in the position which opposes, it can oppose appropriately the pressing force at the time of screwing the male screw member 102 in the nut 22. FIG.

  Further, when the side surface of the nut 22 that has entered the attachment / detachment path 32 comes into contact with the outer inclined surface 46 c of the claw portion 46, the arm portion 45 is displaced so as to allow the nut 22 to enter the nut housing chamber 30. . That is, the force toward the entry direction of the nut 22 is converted into the force toward the opening position of the arm portion 45 (movable lock portion 33) by the outer inclined surface 46c of the claw portion 46. Thereby, the movable lock | rock part 33 can be displaced to an opening position appropriately. As described above, the movable lock portion 33 allows the nut 22 to enter the nut housing chamber 30, but restricts the removal of the nut 22 housed in the nut housing chamber 30. Thereby, for example, the holding state of the nut 22 can be maintained against an unintended impact such as when the connector 1 is dropped.

  As described above, since each nut 22 is held by the nut holding portion 20, the connector 1 can be screwed and fixed to the panel 100 without pressing the nut 22 on the back side of the panel 100 that cannot be seen.

  Further, according to the connector 1 according to the embodiment of the present invention, the nut 22 enters the attachment / detachment path 32 while being positioned in the axial direction by the first guide portion 42. Furthermore, the nut 22 enters the attachment / detachment path 32 in a state in which the nut 22 is arranged in an attachable / detachable direction while being guided by the second guide portion 44. Thereby, the insertion of the nut 22 into the attaching / detaching path 32 and the attaching operation of the nut 22 from the attaching / detaching path 32 to the nut accommodating chamber 30 can be performed easily and smoothly. In addition, since the second guide portion 44 is provided outside the movable lock portion 33, the nut 22 contacts the movable lock portion 33 (particularly the arm portion 45) when the nut 22 enters the attachment / detachment path 32. This can be prevented. Thereby, the movable lock part 33 can be protected.

  In the present embodiment, the connector 1 used for an electric / electronic circuit or the like is exemplified, but the present invention is not limited to this, and the present invention may be applied to an optical connector used for optical communication or the like.

  Moreover, in this embodiment, although the connector 1 fixed to the panel 100 by the combination of the external thread members 102, such as a volt | bolt and a screw, and the hexagonal nut 22, was illustrated, it is not limited to this, Other fixation A member may be used. Further, the nut 22 is not limited to a hexagon, and for example, other polygonal nuts 22 such as a quadrangle, an octagon, and a decagon may be used.

  In the present embodiment, the connector 1 in which the nut 22 is held in contact with the four side walls 35a to 35d of the nut housing chamber 30 is illustrated, but the present invention is not limited to this. Of the six side surfaces of the nut 22, it is only necessary to have side walls that contact at least two side surfaces. In the present embodiment, a pair of lock pieces 36 are provided. However, the present invention is not limited to this. For example, the lock pieces 36 may be provided on the four side walls 35a to 35d.

  In the present embodiment, each nut holding portion 20 is integrally formed with each connector fixing portion 15 so as to be a part of the housing 2, but the present invention is not limited to this. For example, the housing 2 It is good also as a structure which attaches each nut holding | maintenance part 20 shape | molded separately to each connector fixing | fixed part 15 to each.

  In addition, since description of embodiment of the above-mentioned this invention has demonstrated suitable embodiment in the connector 1 which concerns on this invention, although technically preferable various restrictions may be attached, this description The technical scope of the invention is not limited to these embodiments unless specifically described to limit the present invention. Furthermore, the constituent elements in the embodiments of the present invention described above can be appropriately replaced with existing constituent elements, and various variations including combinations with other existing constituent elements are possible. The description of the embodiment of the present invention is not intended to limit the content of the invention described in the claims.

DESCRIPTION OF SYMBOLS 1 Connector 2 Housing 3 Connection terminal 20 Nut holding part 22 Nut 30 Nut accommodating chamber 31 Fixed lock part 32 Detaching path 33 Movable lock part 35a, 35b Side wall 36 Lock piece 36b Fixed side inclined surface 42 1st guide part 42b 1st inclined surface 44 2nd guide part 44b 2nd inclined surface 45 Arm part 46 Claw part 46b Inner inclined surface 46c Outer inclined surface 102 Male screw member (screw member)

Claims (6)

A housing for holding connection terminals;
And a nut holding portion which screw member inserted through the housing to hold the can be screwed nut,
The nut holding part is
A nut housing chamber formed to be detachable from the depth direction perpendicular to the axial direction of the nut; and
An attachment / detachment path that communicates the inside and the outside of the nut housing chamber and defines a direction in which the nut is attachable / detachable,
A fixed locking part fixed to restrict the movement of the said axis of the nut accommodated in the nut accommodating chamber,
A movable lock portion provided to be displaceable between an opening position that allows entry of the nut into the nut housing chamber and a closed position that restricts removal of the nut housed in the nut housing chamber. and,
The movable lock part is
An arm portion that extends from the bottom surface of the attachment / detachment path along the axial direction and is configured to be able to bend in the width direction perpendicular to the axial direction and the depth direction, with a connection portion with the bottom surface as a center;
A claw portion protruding from the free end side of the arm portion toward the center of the detachable path,
On the free end side of the outer surface of the claw part, an outer inclined surface that is inclined toward the removable path side from the outer side in the depth direction to the inner side is formed,
On the free end side of the inner side surface of the claw portion, an inner inclined surface that is inclined toward the attachment / detachment path side from the inner side to the outer side in the depth direction is formed,
The outer inclined surface is in sliding contact with the side surface of the nut that is slid toward the nut housing chamber from the attachment / detachment path, and displaces the movable lock portion from the closed position to the open position,
The inner inclined surface in sliding contact from said nut accommodating chamber to the side of the nut to be slid toward the release passage, connector, wherein Rukoto displacing said movable locking portion to said opening position from the closing position .   The nut is a hex nut;
  The nut housing chamber has a side wall that contacts at least two of the six side surfaces of the outer periphery of the nut;
  The connector according to claim 1, wherein the inner inclined surface is formed at an angle parallel to one opposing side surface of the nut housed in the nut housing chamber. The connector according to claim 1 or 2, characterized in that it comprises a first guide portion for regulating the movement in the axial direction of the nut entering before Symbol release passage, the. Connector according to claim 3, in the vicinity of the outside of the front Symbol movable locking portion, characterized in that it comprises a second guide portion provided so as to comprise a part of the release passage. 5. The connector according to claim 4 , wherein inclined surfaces are respectively formed on the attachment / detachment path side of the outer surface of the first guide part and on the attachment / detachment path side of the outer surface of the second guide part. Before SL fixing lock portion has a pair of locking pieces which are opposed to extend toward the center of the nut accommodating chamber,
The said nut accommodating chamber side of the outer surface of the front Symbol each lock piece connector according to any one of claims 1 to 5, characterized in that each inclined surface is formed.

Images