JP3052243B2 - connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a connector having a multi-pole contact for connecting a detachable device such as a video camera and a television receiver adapter.

[0002]

2. Description of the Related Art When a video or audio recorded in a video camera is reproduced by a television receiver, a connector plug (not shown) connected to one end of a cable is conventionally inserted into a connector socket provided in the video camera. The video camera and the television receiver have been connected by inserting and connecting the connected connector plug connected to the other end of the cable to a connector socket provided in the television receiver.

[0003] As described above, in a connection in which a connector plug of a cable is inserted into a connector socket, when recording or reproducing video or audio with a video camera, the connector plug is subjected to a force higher than the connection holding force between the connectors. From the connector socket, insert it,
Since a plurality of connector plugs must be connected without fail, there is a problem that the connection between devices is troublesome.

In order to solve such a problem, the present applicant fits a video camera 10 into an adapter 12 as shown in FIG. Second connector 1 provided on the other side
5 was connected by pressing contact, the two were electrically connected, and further connected to the television receiver 11 via the cable 13 was proposed.

More specifically, in FIGS. 12 to 14, a first connector 14 provided with a number of connector terminals 16 is attached to the lower surface of the video camera 10, and
A second connector 15 is provided on an upper surface of the adapter 12 so as to be able to move up and down. Engagement groove 7 on adapter 12
When the video camera 10 is engaged at a predetermined position and slid, the shutter 71 is pushed out and opened by the video camera 10, and the lock of the compressed pressing spring 20 is released. Then, the link mechanism constituted by the link 73 and the pin 74 is pressed by the pressing spring 20, and the second connector 15, which has been mounted on the connector base 72 and slightly lowered from the upper surface of the adapter 12, is The contact 17 protrudes from the contact protruding hole 21 and comes into pressure contact with the connector terminal 16 to be electrically connected. After use, by pressing the eject button provided on the adapter 12, the pressing spring 2
The second connector 15 is bent down to the inside of the housing 18 by bending the link mechanism against the first connector 14 to release the connection with the first connector 14 and the pressing spring 20 is locked. When the video camera 10 is removed from the engagement groove 70 of the adapter 12, the shutter 71 closes.

[0006]

In such a configuration, the contact 17 is brought into and out of contact with the contact terminal 16 of the first connector 14 by the vertical movement of the second connector 15. The vertical link mechanism takes a large space in the adapter 12, and the overall shape of the adapter 12 becomes large. When the video camera 10 is inserted into the engagement groove 70 on the adapter 12 to a predetermined position and engaged, the shutter 71 is opened and the pressing spring 20 is opened.
Is released, the contact 17 is pressed against the connector terminal 16 to make an electrical connection, and the eject button is pressed to push down the second connector 15 to the inside of the housing 18 to release the connection between the connectors 14 and 15. Such a mechanism becomes extremely complicated, and the complicated mechanism has some problems such as causing a failure due to long-term use.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a connector in which a large number of connector terminals 16 are reliably brought into contact with and separated from contacts 17 of the other connector 15 only by an engagement operation of one connector 14. It is.

[0008]

According to the present invention, an apparatus to which one connector 14 is attached is connected to the other connector 15 .
By disengaging the attached device , one connector 1
A plurality of connector terminals 16 of 4, in which contact and separation into a plurality of contacts 17 of the other connector 15, the other connector 15, the contact portion of the contact 17 25
A slider 40 that moves in a direction substantially orthogonal to the movement, this
The slider 40 comprises a coil spring 43 for return back to the original, the other connector 15 of the one connector 14
The slider 40 moves against the coil spring 43 when engaged to the contact 17, the slider 40
U housing 18 due to its own elasticity solves the locking with
The connector terminal 1 is made to protrude from the contact
6 and the other connector 15 of one connector 14
When the slider 40 escapes, the coil spring 43 causes the slider 40
And return the slider 40 to its original position .
The contact 17 against the elasticity of the housing 18 .
A connector being characterized in that the so that not retire in the contact projection hole 21.

[0009]

When one connector 14 is fitted to the other connector 15 and slid, the slider 40 moves against the coil spring 43, and the contact 17 projects the contact portion 25 from the contact projecting hole 21 by its own elasticity. , And contacts the corresponding connector terminal 16 of the first connector 14. At this time, since the tip of the contact 17 is slightly away from the slider 40, it is connected to the connector terminal 16 with the designed contact pressure. When the slider is removed, when the slider is slid in the opposite direction, the slider 40 is pushed out by the coil spring 43, and the tip of the contact 17 starts to contact the slider 40. Curved by a spring 43,
The contact portion 25 that has protruded to the outside is
Retracts into and returns to its original state.

[0010]

FIG. 1 to FIG. 9 show a first embodiment of the present invention.
It will be described based on. FIG. 9A shows an inverted state in which the first connector 14 is attached to the bottom plate 60 of an electric device such as the video camera 10, and FIG. 9B shows the second connector 15 attached to the upper surface of the adapter 12. This shows an upward state. The bottom plate 60 is provided with an engagement recess 61 which is notched in a rectangular shape with a width d1 with one end opened, and an inner tapered surface 62 is formed on both sides of the opening end of the engagement recess 61. The first connector 14 is provided facing the engagement recess 61. The first connector 1
The connector terminals 4 are arranged in a zigzag pattern so that the connector terminals 16 are securely brought into contact with and separated from the contacts having a narrow pitch, and have the largest possible area.

Reference numeral 18 denotes a housing of the second connector 15. The housing 18 has a substantially rectangular parallelepiped shape, and its width d2 is set so as to fit in the engaging recess 61.
And a flange 55 is integrally formed on the outer periphery. The height up to the flange 55 is
It is assumed to be substantially the same as the depth of 1. On the upper surface of the housing 18, the same staggered arrangement as that of the connector terminals 16 is provided.
Contact protruding holes 21a and 21b are formed, and insulator engaging grooves 56 are formed in both side walls of the housing 18 as shown in FIG. A lever guide groove 57 curved through the portion is provided to penetrate, and a slider guide rail 58 is provided at the center of the lower surface of the top plate.

Inside the housing 18, a housing 18 in which contacts 17a and 17b of a cantilever type or the like are alternately attached at a predetermined pitch by a mold or the like by an insulator 30 as shown in FIGS. 4 and 5 is housed. Is done. The insulator 30 has a comb shape in which grooves 31 and protrusions 32 are alternately formed, and is molded such that the cantilever contacts 17a and 17b are arranged at a predetermined pitch, for example, a pitch of 0.9 mm. You. That is, the cantilever-type contacts 17a and 17b have a U-shaped contact portion 25 whose tip is downward.
The base end is an L-shaped connecting part 26 and the center is a horizontal part 27
It has become.

Then, a long cantilever type contact 17a and a short cantilever type contact 17b of the horizontal portion 27 are prepared. The long cantilever type contact 17a of the horizontal portion 27 is molded so as to protrude from the protrusion 32, and the short cantilever type contact 17 of the horizontal portion 27 is formed.
b is molded so as to protrude from the groove 31. At this time, the short cantilever type contact 17b of the horizontal portion 27
The distance P3 from the groove 31 to the contact portion 25 is substantially the same as the distance P4 from the protrusion 32 to the contact portion 25 in the long cantilever contact 17a of the horizontal portion 27. The length L1 of the projection 32 is substantially the same as the distance L2 between the staggered connector terminals 16. The connecting portions 26 protruding from the other end of the insulator 30 are also alternately bent in a staggered manner so as to match the intervals of the staggered wiring patterns 23.

6 to 8, reference numeral 40 denotes a slider which is movably fitted to the housing 18. The slider 40 has a second pressing groove 42 formed at the same pitch as the contact projecting holes 21b. Further, the first pressing groove portions 41 are formed between the second pressing groove portions 42 at the same pitch as the pitch of the contact protrusion holes 21a, and the whole shape is a comb shape. The first pressing groove 41
, The tip of the long cantilever type contact 17a contacts, and the tip of the short cantilever type contact 17b contacts the second pressing groove 42. Note that when the cantilever type contact 17b comes into contact with the second pressing groove 42, it does not come off.
Are provided integrally.

At the other end of the slider 40, two spring receiving recesses 44 are provided.
Are fitted. Further, lever contact wall portions 45 are provided on both side portions of the spring accommodating concave portion 44, and a gap between the spring accommodating concave portions 44 is a guide groove 46 fitted with the slider guide rail 58. ing. On the side of the lever contact wall 45, a long engagement hole 47 extending in the lateral direction is vertically penetrated, and a lever 50 is engaged with each.

As shown in FIG. 6B, the lever 50 is slightly curved so as to be able to advance and retreat while being fitted into the curved lever guide groove 57.
The other end is formed with a cylindrical portion 51, and the lower end of the cylindrical portion 51 further has an elliptical locking projection 5 loosely fitted in the engagement long hole 47.
2 are provided integrally.

Next, the order of assembly will be described. First, the coil spring 43 is fitted into the spring accommodating concave portion 44 of the slider 40, and the lever 50 is fitted into the long engagement hole 47 with the lever 50 substantially in the horizontal direction. When the lever 50 is fitted in the engagement long hole 47 and then rotated at the column portion 51 so as to be vertically oriented, the locking projection 52 is locked in the engagement long hole 47 and does not come out. .

The housing 18 is turned upside down and the slider 4
0 is fitted so that the coil spring 43 is in contact with the inner wall of the distal end. At this time, while the lever 50 is directed downward and the pressing portion 53 of the lever 50 is in contact with the inner wall of the housing 18, the housing 18 is opposed to the coil spring 43.
Press further into. Even when the lever 50 is turned downward, it is locked by the locking projection 52 so that the lever 50 does not fall down, facilitating the assembling work.

When the lever 50 is further pushed in against the coil spring 43, the guide groove 46 and the slider guide rail 58 are fitted, and the lever 50 is fitted at the position of the lever guide groove 57, so that the pressing portion 53 of the lever 50 is pressed. Is the housing 1
8 is settled down with a part protruding from the side wall.

Next, the insulator 30 in which the cantilever-type contacts 17a of the long horizontal portion 27 and the cantilever-type contacts 17b of the short horizontal portion 27 are alternately attached by molding or the like is attached to the insulator 18 of the housing 18. The engagement groove 56 is fitted. Here, the cantilever type contacts 17a and 17
b indicates that the slider 40 projects from the contact projecting holes 21a and 21b as indicated by a chain line in FIGS.

However, when the slider 40 is
8, long cantilever type contact 17
The leading end of a is fitted in the first pressing groove 41, and the leading end of the short cantilever contact 17b is fitted in the second pressing groove 42, and the insulator 30 does not adhere to the top plate of the housing 18. The tip side is in a floating state. When the housing 18 is covered with the cover 28 while the contacts 17 are being pushed in this state, the cantilever type contacts 17a, 1a
7b, the horizontal portion 27 and the portion of the horizontal portion 27 are slightly curved. For this reason, the contact portions 25, 25 respectively face the contact projecting holes 21a, 21b arranged in a staggered manner, but do not project outside. The connection portions 26 at the base end of the cantilever type contact 17 protrude from the cover 28 and are inserted into the printed wiring board 22 so that the wiring pattern 2
3 and 23 are connected by solder 24. The connector 15 assembled in this manner is attached to the adapter 12 side.

Next, the operation when the video camera 10 is engaged and connected to the adapter 12 will be described. Video camera 10
With the bottom plate 60 facing downward, it is fitted into a part of the housing 18 from the opening side of the engaging recess 61 from above. In this state, the video camera 10 is slid toward the lever 50 of the housing 18. Then, first, the tip of the inner tapered surface 62 reaches the position of X in FIGS. 1A and 1B and FIG. 2 and contacts the pressing portion 53 of the lever 50.

When the video camera 10 is further slid, the pressing portion 53 is pushed inward by the inner tapered surface 62, so that the cylindrical portion 51 of the lever 50 is in contact with the lever contact wall portion 45 and the engagement elongated hole 47. The slider 40 moves against the coil spring 43. When the slider 40 reaches the Y position, the cantilever type contacts 17a, 17b
The contact portion 25 protrudes from the contact protruding holes 21a and 21b by its own elasticity and comes into contact with the corresponding connector terminal 16 of the first connector 14.

When the video camera 10 is further slid, the pressing portion 53 is pushed into the lever guide groove 57,
It reaches the position of Z and comes into contact with the inner wall portion of the engagement recess 61. The lever 50 is applied with a force to expand in the lateral direction by the coil spring 43, and the contact portion of the pressing portion 53 is the inner wall portion of the engagement concave portion 61. It will be in the engaged state. In addition, since the tip portions of the cantilever type contacts 17a and 17b are slightly away from the first pressing groove 41 and the second pressing groove 42 of the slider 40, the cantilever contacts 17a and 17b are
The contact portion 25 is firmly connected to the connector terminal 16 with the designed contact pressure.

At this time, the distance P3 from the groove 31 to the contact portion 25 in the short cantilever type contact 17b of the horizontal portion 27 and the long cantilever type contact 1 of the horizontal portion 27
Distance P4 from protrusion 32 to contact portion 25 in 7a
Are substantially the same, even if the lengths of the cantilever type contacts 17a, 17b are different, the connector terminals 16, 1
6 are connected with the same contact pressure. In addition, they are not entangled with each other and short-circuited or deformed.

When the video camera 10 is detached, when the video camera 10 is slid in the opposite direction to the above, the pressing of the lever 50 by the engaging concave portion 61 is released.
Gradually comes out to the outside. Returning to the position of Y, the tips of the cantilever type contacts 17a and 17b are
When the contact between the first and second pressing grooves 42 starts and the slider 40 attempts to return to the position X, the cantilever-type contacts 17a and 17b are bent by the slider 40 having a stronger elastic force than these, and the external The contact portion 25 protruding from the camera is retracted into the contact protruding holes 21a and 21b, returns to the original state, and the video camera 10
Get off.

In the first embodiment, the lever 50 is interposed to slide the slider 40. However, the present invention is not limited to this, and the intermediate portion may be provided as in the second embodiment shown in FIG. The slider 40 may be moved against the coil spring 43 when the lever 65 is pushed on the inner tapered surface 62 of the video camera 10 by interposing the lever 65 with the shaft 66 interposed therebetween. However, when the lever 65 is used, the moving direction of the slider 40 is opposite to the inserting direction of the video camera 10.

Further, as in the third embodiment shown in FIG. 10B, a protrusion 67 may be provided directly on the slider 40, and the slider 40 may be directly pressed by the inner tapered surface 62.

In the first embodiment, when the slider 40 is slid, the lever 50 is directly pushed by the inner tapered surface 62 of the video camera 10, so that the lever 40 operates only by pushing in one direction. Therefore, as in the fourth embodiment shown in FIG.
A ball 80 made of metal or the like is disposed at the leading end of the “0” so that a part thereof protrudes outside and is rotatable in all directions. Then, when the video camera 10 is set, the ball 40 is pushed by the inner tapered surface 62 to move the slider 40 via the lever 40 against the coil spring 43. By doing so, it is possible to configure so that setting can be performed not only in the same direction as in the first embodiment but also in the opposite direction, from above, or from the side.

In the above embodiment, the case where the connector terminals 16 of the first connector 14 are staggered in two rows has been described as an example.
However, the present invention is not limited to this, and three rows or more rows may be used.
1 and the length of the projection 32 are also two steps, three in accordance with the number of rows.
Form with steps.

[0031]

According to the present invention, (1) the other connector 15 to which the contact 17 is attached does not move back and forth by a complicated mechanism, and the device to which only one connector 14 is attached is replaced by the device to which the other connector 15 is attached. Of contact 17
The contact 17 can be reliably brought into and out of contact with the connector terminal 16 only by moving and fitting in the direction substantially perpendicular to the movement of the contact portion 25 . In addition, the mutual connection of the connectors 14 and 15
When a lateral force is applied to the connectors 14 and 15 except during the disengagement
Is rarely applied to the slider 40
A lateral force is applied and the contact 17
Without protruding from the contact protruding hole 21,
There is no risk of problems such as malfunction and failure. (2) In a state where one connector 14 is engaged with the other connector 15, the tip of the contact 17 is slightly away from the first pressing groove 41 and the second pressing groove 42 of the slider 40. It is connected to the connector terminal 16 with the same contact pressure. Also, one connector
When the slider 14 is engaged with the other connector 15 of the
0 moves against the coil spring 43 and the contact 17
By releasing the lock by the slider 40 and using its own elasticity.
Project from the contact projection hole 21 of the housing 18
Therefore, the protrusion of the contact 17 from the contact protrusion hole 21
The degree of protrusion can be freely set, and the connection to the connector terminal 16 is possible.
Touch pressure can be set strong or weak according to the purpose.

[Brief description of the drawings]

1A and 1B show an embodiment of a connector according to the present invention, in which FIG. 1A is a sectional view of a short cantilever type contact 17b, and FIG. 1B is a sectional view of a long cantilever type contact 17a. .

FIG. 2 is a bottom view of the housing 18 with a cover 28 removed.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a side view of the cantilever type contact 17;

FIG. 5 is a plan view of FIG. 4;

6A and 6B show a slider 40, wherein FIG. 6A is a perspective view of an assembled state, and FIG. 6B is a perspective view of a lever 50.

FIG. 7 is a plan view of the slider 40.

8A and 8B show a slider 40, wherein FIG. 8A is a sectional view taken along line BB in FIG. 7, FIG. 8B is a sectional view taken along line CC in FIG. 7, and FIG. It is sectional drawing.

9A and 9B show a first connector 14 and a second connector 15, wherein FIG. 9A is a bottom perspective view of the video camera 10,
FIG. 2B is a top perspective view of the adapter 12.

FIG. 10 shows another embodiment, in which (a) is a lever 65;
(B) is a cross-sectional view of the embodiment with the protrusion 67, and (c) is a cross-sectional view of the embodiment with the ball 80 interposed at the tip of the lever 40.

FIG. 11 shows a video camera 10 and a television receiver 11.
FIG. 4 is an explanatory diagram in a case where the connection is made by an adapter 12.

FIG. 12 is a sectional view of a main part of FIG. 11;

13 (a) is a cross-sectional view, and FIG. 13 (b) is a plan view, for explaining the connector 14. FIG.

FIG. 14 illustrates the printed wiring board 22;
(A) is a sectional view, and (b) is a plan view.

[Explanation of symbols]

10 video camera, 11 television receiver, 12
... Adapter, 13 ... Cable, 14 ... First connector,
15: second connector, 16: connector terminal, 17, 1
7a, 17b: cantilever type contact, 18: housing, 20: pressing spring, 21: contact projecting hole,
22 printed wiring board, 23 wiring pattern, 24 solder, 25 contact part, 26 connection part, 27 horizontal part, 28
... cover, 30 ... insulator, 31 ... groove, 32 ... projection,
40 slider, 41 first press groove, 42 second press groove, 43 coil spring, 44 spring recess, 45
Lever contact wall portion, 46: guide groove, 47: engagement long hole, 4
8: Wall for preventing detachment, 50: Lever, 51: Column, 52
... locking projection, 53 ... pressing part, 55 ... flange, 56 ... insulator engagement groove, 57 ... lever guide groove, 58 ... slider guide rail, 60 ... bottom plate, 61 ... engagement concave part, 62 ... inner taper Surface, 65 ... Lever, 66 ... Shaft, 67 ... Projection, 70 ... Engagement groove, 71 ... Shutter, 72 ... Connector base, 73 ... Link, 74 ... Pin, 80 ... Ball.

Continuing on the front page (72) Inventor Yoshisada Okayasu 5-9-12 Kita-Shinagawa, Shinagawa-ku, Tokyo Sony Corporation Video Technology Center (72) Inventor Chihiro Aikawa 6-5-5 Togoshi Togoshi, Shinagawa-ku, Tokyo No. within SMC Corporation (56) References JP-U 4-96982 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H01R 13/24 H01R 4/48 H01R 24/00

Claims (1)

(57) [Claims] 1. An apparatus to which one connector 14 is attached.
By connecting and disconnecting a plurality of connector terminals 16 of one connector 14 to a plurality of contacts 17 of the other connector 15 by engaging and disengaging the device with the other connector 15 attached thereto. Is before
A direction substantially perpendicular to the movement of the contact portion 25 of the contact 17
And move the slider 40 back to its original position.
And a coil spring 43 for resetting, and when the one connector 14 is engaged with the other connector 15, the slider 40 moves against the coil spring 43 to move the contact 17 by the slider 40. The lock is released, and the elastic member protrudes from the contact projecting hole 21 of the housing 18 by its own elasticity to come into contact with the connector terminal 16. When the one connector 14 escapes from the other connector 15, the slider 40 is returned by the coil spring 43. along with the return to, this
The return operation of the slider 40 causes the contact 17 to resist the elasticity of the contact 17 in the contact protrusion hole 21 of the housing 18 .
Connector being characterized in that the so that not retire to.