JP4741052B2 - Overhanging door cart - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a suspension vehicle mounted on an upper arm of a sliding door.
[0002]
[Prior art and problems to be solved by the invention]
2. Description of the Related Art Conventionally, a sliding door door wheel 90 mounted on an upper part of a sliding door, a so-called suspension type, is generally attached to a digging h provided on the upper arm of the sliding door S as shown in FIG. From the box-shaped attachment member 91, the position adjustment mechanism 92 of the door wheel provided inside the attachment member 91, and the connection member 95 for connecting the position adjustment mechanism 92 and the support body 94 of the upper door wheel 93. The mounting member 91, the position adjusting mechanism 92, the support body 94, and the connecting member 95 are formed in an integral structure that cannot be separated.
[0003]
This conventional suspension door pulley 90 has a structure in which an attachment member 91 is inserted from the side of the sliding door S into a digging h formed on the upper arm of the sliding door S and fixed with a long screw 96. .
However, when the sliding door S is attached to the rail, in the above conventional suspension door pulley 90, the suspension door S is first attached to the sliding door S, and then the rotating body of the suspension door pulley 90 is used. The door wheel 93 must be inserted into the rail.
[0004]
That is, after the attachment member 91 is inserted into the digging h of the sliding door S and fixed with the long screw 96 to assemble the upper suspension door wheel 90 and the sliding door S, the door wheel 93 is inserted into the rail before fixing. . Further, the rail must be positioned and the rail fixed while lifting the whole including the sliding door S with the door wheel 93 inserted in the rail.
Therefore, when using the conventional upper suspension door pulley 90, the sliding door S, the upper suspension door 90 and the entire rail are supported, and the rail is positioned and fixed. The rail installation work was carried out while supporting the overall weight of the rail, which was very laborious and difficult.
[0005]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a door wheel that can be easily attached when a suspension door is mounted on a sliding door.
[0006]
[Means for Solving the Problems and Effects of the Invention]
In order to achieve the above object, the sliding door door according to claim 1 of the present invention includes an outer case that is mounted in a door wheel mounting hole provided in the upper arm of the sliding door, and a mounting body that is internally provided in an insertion recess formed in the outer case. The insertion recess formed in the outer case includes an insertion space defined by the front wall and the rear wall, and one side portion of the front wall and the rear wall. The mounting body is slidably inserted into the insertion space from the opening, and the front wall and the rear wall that define the insertion space are respectively inserted in the insertion direction. Two locking holes are provided at an interval, and a locking claw of a locking mechanism provided in the mounting body so as to be able to enter and exit is formed to be engageable with the locking hole, thereby preventing the mounting body from coming out. The locking mechanism is inserted into the mounting body. A rotating shaft having an axis extending in the same direction as the insertion direction of the mounting body, two locking members fixed to the rotating shaft at an interval in the axial direction of the rotating shaft, and a rotating shaft An operation member provided at the end opposite to the insertion direction, and the two locking members are both U-shaped with elasticity, and can rotate with the rotation of the rotation shaft. The U-shaped intermediate portion is fixed so as to be orthogonal to the rotation axis, and protrudes outward from the ends of a pair of extending portions that extend from the both ends of the U-shaped intermediate portion substantially at right angles to the intermediate portion. When the locking claw is formed, the operation member rotates integrally with the rotating shaft and is slidable in the axial direction of the rotating shaft, and the locking claw is inside the mounting body when not locked. becomes a protruded state from the side surface of the mounting body, the locking pawl is out of said mounting body Out to the time of locking engagement with the said locking hole, a door roller for hanging on, characterized in that it can be a flush state on the side surface of the mounting body.
[0007]
The sliding door door with this structure is installed by operating the lock mechanism to engage the lockable hole in the outer case when the mounting body is inserted into the recess for insertion in the outer case. Since the main body can be fixed in the outer case, only the outer case is attached in advance to the sliding door, and the door connected to the mounting main body can be inserted into the rail to be suspended.
Then, after lifting the sliding door to which the outer case is attached and inserting the mounting body into the outer case, the mounting body is fixed by operating the locking mechanism to lock the locking member in the locking hole of the mounting body. be able to.
[0008]
Therefore, since the rail can be fixed first when the top suspension door is mounted, the mounting operation of the door can be easily performed.
The invention according to claim 2 is the overhanging door wheel according to claim 1, wherein the locking claw is inserted in a direction in which the locking claw projects outward from the front and rear surfaces of the mounting body when the mounting body is inserted. A side suspension is formed on an inclined surface that can be inserted toward the mounting member.
[0009]
With this configuration, the suspension door is inserted into the outer case with the locking member of the locking mechanism in a protruding state, and the inclined surface of the locking member is pushed inward by the front and rear walls of the insertion recess, The mounting body can be inserted. Then, when the mounting body is inserted into the outer case, the locking member engages with the locking hole of the outer case without requiring the operation of the locking mechanism, and the mounting body is fixed.
Therefore, in the overhanging door cart of this configuration, in addition to the function and effect of the door wheel of claim 1, the mounting body is fixed in the outer case without engaging the locking member when the mounting body is inserted. And the assembly process can be simplified.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a door door for a sliding door according to an embodiment of the present invention, FIG. 2 is a sectional view of an essential part, and FIG. 3 is a side view.
The sliding door for door roller 1 is collected by the outer case 10 for attachment to engraved h as door rollers mounting holes provided stile on the sliding door S, you interior into the insertion recess 11 formed in the outer case 10 and with the main body 30 it is provided to be separable. As shown by a one-dot chain line in FIG. 1, the attachment main body 30 is inserted into the insertion recess 11 of the outer case 10 and integrated with the outer case 10. The attachment main body 30 is equipped with the door wheel 20 via the connecting member 61. The door pulley 20 is in the form of a so-called suspension door located above the sliding door S.
[0011]
The outer case 10 has a substantially rectangular parallelepiped shape, and is provided with an insertion recess 11 in the outer case 10 opened to one side surface, and the opening side is mounted so as to be the side surface side of the sliding door S. .
The mounting body 30 housed in the insertion recess 11 has a shape that matches the internal shape of the insertion recess 11, and enters the insertion recess 11 from the front left side, as indicated by a one-dot chain line in FIG. Inserted in the back right direction. Mounting body 30, the lock mechanism 4 1 for preventing escape of the mounting body 30 which is mounted in the insertion recess 11, the position adjusting mechanism 51 of the door rollers 20, and a connecting member 61 for connecting the door rollers 20 and the position adjusting mechanism 51 It has.
[0012]
The lock mechanism 41 has a rotation shaft 42 whose axis extends in the same direction as the insertion direction of the mounting body 30 . The rotating shaft is provided in the mounting body 30. The lock mechanism 41 further includes a locking member 43 attached to the rotary shaft 42 at two positions with an interval, and an operation member 44 provided at an end of the rotary shaft 42.
As shown in FIG. 4, the locking member 43 has an intermediate portion of the U-shaped member fixed to the rotating shaft 42 in a front view, and can be rotated with the rotation of the rotating shaft 42. The locking member 43 is formed by synthetic resin having elasticity, the locking claw 43b of the shape protruding outward is provided at the end. Moreover, the insertion direction side of the attachment main body 30 is formed in the inclined surface 43a which inclines back diagonally along an insertion direction among this protrusion side edge parts (locking claw 43b) . Therefore, when the mounting body 30 is inserted into the outer case 10 with the locking claws 43b protruding from the front and rear surfaces of the mounting body 30, the locking claws 43b are moved by the front and rear walls of the outer case 10. The attachment body 30 is pushed back inward, and the attachment body 30 can be inserted.
[0013]
The operation member 44 provided at the end of the rotation shaft 42 rotates integrally with the rotation shaft 42, but can slide in the axial direction of the rotation shaft 42 . A coil spring 45 having a weak spring force that biases the operation member 44 outward is interposed between the rotating shaft 42 and the operation member 44. When the locking pawl 43b of the locking member 43 is inside the mounting body 30, operating member 44, as shown in FIG. 2, configured such that the state of protruding from the side surface of the mounting body 30 Yes. When the operation member 44 is rotated , the rotation shaft 42 rotates together with the operation member 44. Further, the operation member 44 slides in the axial direction of the rotation shaft 42 with respect to the rotation shaft 42. That is, the diagonal strip 44a formed on the peripheral surface of the operating member 44 moves the operating member 44 inward, and the operating member 44 is against the rotating shaft 42 against the spring force of the coil spring 45. Slide and move inward in the axial direction (rightward in FIG. 2) . Therefore, Ru can be accommodated whole operating member 44 to the mounting body 30.
[0014]
Therefore, in the lock mechanism 41, when inserting the mounting body 30 to the outer case 10, also leave the locking pawl 43b of the locking member 43 in the projecting state via the operation member 44, insert the mounting body 30 Then-out, the locking pawl 43b of the locking member 43 is Ru pushed back inwardly by the insertion recessed portion 11 front and rear walls of the inclined surfaces 43a is the outer casing 10. Thus, the locking member 43 (locking claw 43b of) does not interfere with the insertion, Ru can der insertion of the mounting body 30. Then, by inserting the mounting body 30 into the outer case 10 and rotating the operation member 44, the rotating shaft 42 and the locking member 43 fixed to the rotating shaft 42 rotate, and the front and rear walls of the insertion recess 11 are rotated. Exiting the mounting body 30 is prevented locking pawl 43b of the locking member 43 to the engagement hole 12 formed is engaged with.
[0015]
When withdrawing the mounting body 30 from the outer case 10, by operating the operating member 44, by turning to the "Remove" direction shown in FIG. 3, the rotary shaft 42 and the locking member 43 is rotated, the locking holes 12 engagement claws 43b of the locking member 43 are engaged Ru is released. Thus, the mounting body 30 is allowed Shi out punching.
At the time of this operation, the operation member 44 is rotated in a direction to remove the operation member 44, and the operation member 44 is in a protruding state in which the head is looked into the side surface of the mounting body 30 by the action of the oblique strip 44a provided on the peripheral surface. Become.
[0016]
For this reason, in a state where the head of the operation member 44 is lifted from the side surface of the attachment main body 30, it is possible to indicate a state in which the attachment main body 30 is not locked, and conversely, the head of the operation member 44 is attached to the attachment main body 30. If it is in the state, it can be shown that the mounting body 30 is in the locked state, and it has the effect that the locked state and the unlocked state can be seen at a glance.
As an operation method of the operation member 44, when the attachment main body 30 is inserted, the locking member 43 is kept in a non-projecting state, and after the attachment main body 30 is inserted, the operation member 44 is operated to It can also be engaged with the locking hole 12 of the outer case 10, and two means can be selected as the locking method of the locking member 43.
[0017]
Next, the position adjustment mechanism 51 has a height adjustment mechanism that adjusts the distance between the door wheel 20 and the mounting body 30 and a front-rear adjustment mechanism that adjusts the position of the sliding door in the thickness direction.
The height adjusting mechanism is provided with an adjusting screw 53 screwed into the connecting member 61, and the adjusting screw 53 is supported by a frame 54 provided in the mounting body 30. The adjustment screw 53 is provided with an operation member 56 via a pair of gears 55, and the adjustment screw 53 can be rotated by rotating the operation member 56.
[0018]
A cross-shaped concave portion that can be operated by a driver or the like is formed on the head of the operation member 56. Therefore, the adjustment screw 53 can be rotated through the gear 55 by turning the operation member 56 through the recess. When the adjustment screw 53 rotates, the connecting member 61 with which the adjustment screw 53 is screwed can be moved in the axial direction. For this reason, the height of the door pulley 20 attached to the end of the connecting member 61 can be adjusted.
[0019]
The front / rear adjustment mechanism has an adjustment screw 58 attached in the front / rear direction of the frame 54, and an operation member 60 is provided via the adjustment screw 58 and a pair of gears 59.
Therefore, by rotating the operation member 60, the adjustment screw 58 can be rotated via the gear 59, and the position of the frame 54 screwed to the adjustment screw 58 can be changed in the front-rear direction. Therefore, the front-rear direction position of the door wheel 20 supported via the frame 54 and the connecting member 61 can be adjusted.
[0020]
In this embodiment, the door 20 is provided with a rectangular parallelepiped door mounting base 21 and four wheels provided at the four corners thereof, enabling stable running in the rail R and sliding doors. Can be moved lightly. In the above-described embodiment, the number of doors is four, but the number of doors is not particularly limited.
In the above embodiment, an example in which two locking members 43 are provided has been described. However, one or three or more locking members 43 may be provided. In this case, the number of the locking holes 12 of the outer case 10 is also made to correspond. To form.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an exploded perspective view of an overhanging door wheel according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a main part of the above-described suspension door pulley.
FIG. 3 is a side view of the above-described overhanging door pulley.
FIG. 4 is a front view of the lock member.
FIG. 5 is a perspective view of a conventional overhanging door cart.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Upper suspension door pulley 10 Outer case 11 Insertion recessed part 12 Locking hole 30 Mounting main body 41 Locking mechanism 43 Locking member 43a Inclined surface

Claims (2)

The outer case to be installed in the door mounting hole provided on the upper arm of the sliding door and the mounting body installed in the insertion recess formed in the outer case are separable, and the door is connected to the mounting body.
The recess for insertion formed in the outer case includes an insertion space defined by a front wall and a rear wall, and an opening formed on one side of the front wall and the rear wall, and from the opening to the insertion space. The mounting body is slidably inserted,
The front wall and the rear wall that partition the insertion space are each provided with two locking holes spaced in the insertion direction,
The locking claw of the lock mechanism provided in the mounting body so as to be freely accessible is formed so as to be engageable with the locking hole, and the mounting body is prevented from being pulled out.
The locking mechanism is provided in the mounting body, and includes a rotating shaft extending in the same direction as an insertion direction of the mounting body, and two fixed to the rotating shaft with an interval in the axial direction of the rotating shaft. A locking member, and an operating member provided at an end of the rotating shaft on the opposite side in the insertion direction,
The two locking members are both U-shaped with elasticity, and are fixed so that the U-shaped intermediate portion is orthogonal to the rotating shaft so that it can rotate with the rotation of the rotating shaft. A locking claw that protrudes outward is formed at each of the ends of the pair of extending portions that extend substantially at right angles from both ends of the U-shaped intermediate portion,
The operating member rotates integrally with the rotating shaft and is slidable in the axial direction of the rotating shaft. When the locking claw is inside the mounting body and is not locked, the operating member projects from the side surface of the mounting body. When the locking claw comes out of the mounting body and engages with the locking hole, the suspension door can be flush with the side surface of the mounting body. The overhanging dolly according to claim 1,
The locking claw is formed such that a surface on the insertion direction side of the locking claw that protrudes outward from the front and rear surfaces of the mounting body is an inclined surface that can be inserted toward the mounting member when the mounting body is inserted An overhanging dolly characterized by.