JPH11207662A - Slide mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slide mechanism which can fix a working bench firmly at an arbitrary sliding position by easy sliding operation. SOLUTION: A sliding member 5 for supporting a working bench 3 is fitted at a slide guide member 4 formed with a rack teeth 19a train so as to move along its longitudinal direction. The slide member 5 is provided with a lock member 23 for energizing lock teeth 23a engaging with the rack teeth 19a in the locking direction, and an operation member 25 for locking release separated from the rack teeth 19a by retreating and displacing the lock member 23 against energizing force.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slide mechanism used for adjusting the sliding of various members.

[0002]

2. Description of the Related Art For example, in a wiring work in an optical communication cabinet installed on a wall of a premises, a so-called premises optical cabinet or the like, a work table on which working equipment such as dedicated wiring equipment and tools is mounted is used. The work table is slid to a height suitable for work. Conventionally, a long hole and a tightening bolt have been used for the slide adjusting structure of such a worktable, and the tightening is loosened, the worktable is adjusted up and down with respect to the slide guide member, and the work is performed by retightening at an arbitrary position. The table was fixed.

[0003]

However, in order to securely fix the worktable so that it does not move due to the loaded load, it is necessary to perform firm bolt tightening. Operation is very troublesome.

An object of the present invention is to provide a slide mechanism that can firmly fix a worktable or the like at an arbitrary slide position by a simple slide operation. is there.

[0005]

As shown in FIG. 6, the slide mechanism of the present invention has rack teeth 19a along its longitudinal direction.
A long slide guide member 4 having a group, and a slide member 5 movably fitted to the slide guide member 4 along the longitudinal direction thereof are provided. The slide member 5 includes a lock member 23 meshed with and urged by the rack teeth 19a, and an unlocking operation member 25 for displacing the lock member 23 backward from the rack teeth 19a by displacing the lock member 23 against the urging force. And is equipped with.

According to the above configuration, in the normal state, the lock member 23 is engaged with and urged by the rack teeth 19a, and the slide member 5 is stopped and held at a desired position on the slide guide member 4. At this time, when the operating member 25 is operated to release the lock member 23 from the engagement with the rack teeth 19a, the slide member 5 from which the engagement lock is released can freely move in the longitudinal direction of the slide guide member 4. Then, when the operator releases the operation member 25 at an arbitrary moving position, the lock member 23 is engaged with and urged by the rack teeth 19a, and is engaged and locked at that position.

The lock member 23 includes the rack teeth 1
A group 9a is provided with a plurality of lock teeth 23a that mesh simultaneously. As a result, the lock member 23 is
The lock teeth 23a mesh with the group of rack teeth 19a via a, so that even if a large load acts on the slide member 5, the lock teeth 23a share and support them.

The slide member 5 is provided with a finger hook 32,
It is fixed near the operation member 25 for unlocking. According to this, when operating the operation member 25 with a fingertip, a sufficient force can be applied to the finger for operating the operation member 25 by hanging another finger on the finger hook portion 32, and when the lock is released. The operation member 25 and the finger holder 32 are grasped, and the slide member 5 is held as it is.
Can be moved to the operation of moving.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 to FIG.
FIG. 1 shows a state in which a work table 3 on which work equipment is mounted is mounted on a front portion of the cabinet 2 in order to perform wiring work in the immediate vicinity of the optical cable connection and branching cabinet 2 installed in the cabinet 2. The slide mechanism A of the present invention is used to adjust the work table 3 up and down.

The slide mechanism A includes a vertically long slide guide member 4 mounted on a front portion of the cabinet 2 and a slide member 5 mounted on the slide guide member 4 so as to be vertically movable and fixed at an arbitrary position. The work table 3 is attached to a slide member. The worktable 3 itself is formed in a shallow saucer shape, and a support plate 6 is fixed to a back surface thereof by welding or the like, and the support plate 6 and the slide member 5 are integrally connected by welding or the like.

The slide guide member 4 is made of a thick strip, and the upper end thereof is bent rearward (to the cabinet). A hook 7 made of a thin plate is provided on the bent portion 4a.
Is connected to the front and rear slots 8 and the wing bolts and nuts 9 so as to be adjustable in the front and rear direction. Installed by. Then, as shown in FIG. 3, the tip bent piece 7a of the latch 7 is inserted and locked into the gap g between the cabinet 2 and the wall surface 1 from above, and the tip of the central leg 10 is supported against the wall surface 1. . Thus, the slide guide member 4 can be fixedly supported at the front portion of the cabinet 2 in a predetermined vertical posture. At this time, the slide guide member 4 can be set vertically at a position appropriately separated from the front surface of the cabinet 2 by adjusting the extension of the latch 7 and the center leg 10 in accordance with the depth dimension of the cabinet 2.

On the left and right sides of the front end of the worktable 3, swinging legs 12 are provided.
Is attached by a wing bolt / nut 13 so that the angle can be changed vertically. The contact member 1 is attached to the tip of the swing leg 12.
5 is rotatably attached via a wing bolt 14, and the contact member 15 is supported on the wall surface 1 by being stretched and supported.
The load applied to the worktable 3 can be supported on the wall surface 1. The tip of the center leg 10 and the abutment member 15 of the swing leg 12 are provided with anti-slip rubbers 16 and 17, respectively, so that the legs 10 and 12 are reliably supported on the wall surface 1.

The detailed structure of the slide mechanism A is shown in FIGS. 4 to 6, a guide member 1 having a U-shaped cross section made of an extruded aluminum or the like is provided on the front surface of the slide guide member 4 along the longitudinal direction thereof.
8 is screwed and connected, and the guide member 18
A rack member 19 is screwed and fixed inside. The rack member 19 is made of a hard resin material, and on the front surface thereof, saw-tooth-shaped rack teeth 19a having a horizontal engagement surface facing upward are arranged in a vertical direction at a constant small pitch.

In FIG. 8 and FIG. 9, the slide member 5 is made of an extruded aluminum material or the like, and the right and left ends of the slide guide member 4 are fitted to the left and right sides of the rectangular tubular portion 5a. Is formed overhanging,
The guide member 18 is received and engaged with the rectangular tubular portion 5a. Further, a lock mechanism 20 is incorporated in the square tubular portion 5a.

As shown in FIGS. 6 and 9, the lock mechanism 20 is fixed to the rectangular cylindrical portion 5a of the slide member 5 by screws 21 inserted from below and mounted from the front side. As shown in FIGS. 9 and 10, a base member 22 made of an aluminum die-cast, a lock member 23, a cam member 24 for sliding operation, an operation member 25 for unlocking, and a spring 26 for urging the lock. It is configured. The lock member 23 is formed in a square block shape having lock teeth 23a on its front end face to be engaged with the plurality of rack teeth 19a shown in FIGS. 6 and 7, and a square boss portion 22a formed integrally with the base member 22. And is inserted to be able to slide back and forth linearly. The cam member 24 for sliding operation is formed in a vertically long square ring shape, is fitted to the square boss portion 22a and is supported so as to be vertically movable, and has inclined cam grooves 27 formed on the left and right side surfaces thereof.

In FIG. 9 and FIG.
3, a cam follower pin 28 formed of a roll pin is penetrated and mounted in the left and right direction, and the cam follower pin 28 is protruded left and right through a front and rear long hole 29 formed in the square boss portion 22a. Is the cam member 24
Is engaged with the inclined cam groove 27. In response to the vertical movement of the cam member 24, the lock member 23 is moved back and forth by the cam action of the inclined cam groove 27 and the cam follower pin 28.

In FIGS. 6 and 10, the unlocking operation member 25 has a knob 25b attached to the lower end of a round shaft 25a. The distal end of the round shaft 25a is inserted through an operation hole 30 formed in the bottom wall 22b of the base member 22, and a pair of E-shaped retaining rings 31 is provided at the lower end of the cam member 24.
Are linked by The lock urging spring 26 made of a compression coil spring is interposed between the inner surface of the lower end of the cam member 24 and the lower surface of the square boss portion 22a. It is being rushed.

In the state where the cam member 24 is at the lower limit by the lock urging spring 26, as shown in FIG. 6, the cam action of the inclined cam groove 27 and the cam follower pin 28 causes
The lock member 23 is urged to project, the lock teeth 23a are simultaneously engaged with the plurality of rack teeth 19a of the rack member 19, and the downward movement of the slide member 5 is prevented.
Lock state has been brought.

Now, as shown in FIGS. 7 and 9, the knob 25b of the operation member 25 is pushed up by a finger to move the cam member 24.
Is moved upward against the lock urging spring 26,
Due to the cam action between the inclined cam groove 27 and the cam follower pin 28, the lock member 23 is moved backward and the rack member 1 is moved.
9 is removed. With this release, the lock mechanism A is unlocked. In this unlocked state, the slide member 5
Can be moved in any direction up and down,
The work table 3 connected to the slide member 5 can be arbitrarily moved up and down.

As shown in FIG. 7, a tongue-shaped finger hook 32 extends outward from the bottom wall 22b of the base member 22 toward the front. When the operation member 25 is operated with the thumb, the index finger can be used, and when the operation member 25 is operated with the index finger, the thumb can be hooked on the finger hook 32. Therefore, a force can be applied to the fingertip for operating the operation member 25, and the slide member 5 can be vertically slid following the lock release operation.

The present invention can be carried out in the following modes. As shown in FIG. 11, when working with a control panel 40 having a large horizontal width and placed on the floor, the two left and right slide guide members 4 having the above-described configuration are provided over the upper frame 41 of the control panel and the floor surface. . Then, the slide member 5 having the above-mentioned configuration, which can be locked by the lock mechanism A, is mounted on the left and right slide guide members 4 so as to be vertically movable. The left and right slide members 5 are provided with bosses 42.
A support arm 43 made of a square pipe is erected between 42. Various worktables 44 are locked and connected to arbitrary positions in the left-right direction of the support arm 43. According to this, the work table 44 can be arranged at an arbitrary height simply by releasing the lock of each slide member 5 with both hands, moving the support arm 43 up and down to a desired height and releasing the hand. At this time, a clamp fitting 45 for locking and fixing to the upper frame 41 of the control panel 40 is provided on the upper end of each slide guide member 4.
Is provided so as to be adjustable in expansion and contraction, and the lower end of each slide guide member 4 is provided with legs 46 in which expansion and contraction can be adjusted.

The lock member 23 can be moved back and forth by pivoting around a fulcrum, in addition to the linear movement as described above. In the above embodiment, the rack teeth 19a are formed in a saw-tooth shape with the horizontal engagement surface facing upward, since the rack table 19a is used for vertical sliding of the work table 3 in which only the load acts downward. If it is necessary to lock equally in any direction, the rack teeth 19a and the lock teeth 23a may be formed in a square shape or a steeply inclined mountain shape, and the shapes of the rack teeth 19a and the lock teeth 23a may be changed. It can be appropriately selected according to the purpose of use and load.

The slide guide member 4 is not limited to a flat plate material, but may be a material having a strength suitable for the load to be supported, such as a square pipe material, a round pipe material, and a square shaft material. In particular, as shown in FIG.
When using the slide guide members 4
Since there is no need to provide the function of preventing the rotation of the slide member 5 to the slide guide member 4, the slide guide member 4 can be made of a round pipe or a round shaft. The rack member 19 may be attached to the slide guide member 4 without the intervention of the guide member 18.
It is also possible to integrally form a.

The slide mechanism of the present invention can be used particularly effectively for a vertical slide structure of a work table, but can also be used for a slide structure for moving the slide table left and right. For example, as shown in FIGS. 12 and 13, a work table 51 is mounted and fixed on an upper edge of a bucket 50 of an aerial work vehicle for performing electric wire work or the like. In this case, the slide guide member 4 having the above-described configuration is attached to the lower surface of the work table 51 in a horizontal direction, and the slide guide member 4 is equipped with a pair of left and right slide members 5 having the above-described configuration. At the tip of the mounting plate 52 fixed to each slide member 5 by welding or the like, a bolt tightening clamp mechanism 53 that acts on the edge of the bucket 50 is provided. According to this, bucket 5
The position of each slide member 5 can be easily and quickly adjusted and fixed in accordance with the facing distance between the 0 edges. Therefore, it can be conveniently used when the work table 51 is placed and fixed on the edge of the bucket 50 of various sizes. In addition, the slide mechanism A of the present invention can also be used in various slide structures in which the position is adjusted by a conventional long hole and a tightening bolt.

[0025]

As described above, according to the present invention, the fixing can be released only by operating the operating member 25 and retreating the lock member 23. The lock state is established by the action. Therefore, while the operation is simple, the member such as the work table 3 attached to the slide member 5 can be easily and easily moved to an arbitrary position and fixed. In addition, reliable fixing can be performed.

Since the lock member 23 is fixed by the engagement between the plurality of lock teeth 23a and the rack teeth 19a,
It can withstand a large load sufficiently and has excellent durability. When operating the operation member 25 with a finger, the operation reaction force can be supported by the finger applied to the finger holder 32,
Sufficient force is easily applied to the finger that operates the operation member 25, and the operability is excellent. Further, following the unlocking operation, the operation member 25 and the finger hook portion 32 are supported, so that the slide member can be moved and operated, which further facilitates the handling.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a usage pattern.

FIG. 2 is a front view thereof.

FIG. 3 is a side view thereof.

FIG. 4 is an enlarged front view of a slide mechanism.

FIG. 5 is a cross-sectional plan view showing a main part of the slide mechanism.

FIG. 6 is a longitudinal sectional side view in a locked state of the slide mechanism.

FIG. 7 is a longitudinal sectional side view in a lock release operation state of the slide mechanism.

FIG. 8 is a perspective view of a main part.

FIG. 9 is an exploded perspective view of a main part.

FIG. 10 is an exploded perspective view of a lock mechanism.

FIG. 11 is a perspective view showing another use mode.

FIG. 12 is a perspective view showing still another use mode.

FIG. 13 is a front view showing the main part.

[Explanation of symbols]

 Reference Signs List 4 slide guide member 5 slide member 19a rack tooth 23 lock member 23a lock tooth 25 operating member 32 finger hook

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Satoru Shibano 3-15-15 Edodori, Nishi-ku, Osaka-shi, Osaka Kinki Communication Construction Co., Ltd. (72) Inventor Koichi Nishiide 3-chome Edodori, Nishi-ku, Osaka, Osaka No. 3-15 Kinki Tsushin Construction Co., Ltd.

Claims (3)

[Claims] 1. A long slide guide member 4 having a group of rack teeth 19a along a longitudinal direction, and a slide member 5 fitted to the slide guide member 4 movably along the longitudinal direction. The slide member 5 includes a lock member 23 that is urged by meshing with the rack teeth 19a, and a lock release that disengages the lock member 23 from the rack teeth 19a by retreating and displacing the lock member 23 against the urging force. Characterized in that the slide mechanism is provided with an operating member (25). 2. The rack teeth 1 are attached to the lock members 23.
The slide mechanism according to claim 1, further comprising a plurality of lock teeth (23a) that mesh with the group (9a) simultaneously. 3. A finger hanging portion 32 is attached to the slide member 5.
The slide mechanism according to claim 1, wherein the slide mechanism is fixed near the operation member 25.