JPH08266341A - Stopper mechanism of slide panel and so on - Google Patents

Abstract

PURPOSE: To provide a stopper mechanism which stops a sliding top plate and a drawer of a table at a desired position. CONSTITUTION: A movable body 22 is movably arranged along a pair of guide rails. Nuts are buried in the both sides of one end and screw parts are opened in the bottom face. Guide rails 14 having guide grooves 20 whose both sides are formed into diameter-expansion parts 20a, 20b are formed. Collars 26 which are engaging inserted into the guide grooves 20, have the diameter smaller than that of the diameter expansion parts 20a, 20b, and are elastically deformed are formed. Screws or bolts which penetrate through the collars 26 so as to be threadly engaged with the screw parts and can support the collars 26 are attached. The collars 26 are so formed as to simultaneously move with the movable body 22 along the guide grooves 20. The collars 26 are elastically deformed by the guide grooves 20 and their outer faces are energized to the inner faces of the guide grooves 20. The collars 26 are so formed as to be returned to its original shape by the diameter expansion parts 20a, 20b and engagingly provided with aperture tip parts in the guide grooves 20 side of the diameter expansion parts 20a, 20b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stopper mechanism such as a slide panel capable of stopping the movement of a slide top plate of a table or an extract at a desired position with a simple structure and preventing backlash.

[0002]

2. Description of the Related Art For example, some personal computer tables on which a personal computer is mounted are equipped with a slide top plate on which a keyboard and materials can be placed. The top plate is pulled out along a guide rail and its front and rear ends. I try to stop it in the department.

However, this conventional personal computer table is
While the slide top plate can be moved lightly, the top plate moves with a slight force and the materials on the plate fall, the top plate is easily rattled, and the stop position of the slide top plate is the front and rear ends of the guide rail. There was a problem that it could not be used in the middle position because it was limited to parts.

[0004]

SUMMARY OF THE INVENTION The present invention solves such a problem and makes it possible to stop the movement of the slide top plate of the table and the extraction at a desired position with a simple structure and prevent the occurrence of backlash. It is an object of the present invention to provide a stopper mechanism such as a slide panel.

[0005]

Therefore, in the stopper mechanism such as the slide panel of the present invention, the movable body is movably arranged along the pair of guide rails, and the movable body is stopped at both end positions of the guide rails. In the stopper mechanism such as the enabled slide panel, embed nuts on both sides of one end,
A movable body having the threaded portion opened on the lower surface, a guide rail having guide grooves having enlarged diameter portions at both ends, and an elastic deformation having a diameter smaller than that of the enlarged diameter portion engageably inserted into the guide groove. And a screw or bolt that penetrates the collar and is screwed into the threaded portion to support the collar, and the collar is provided along the guide groove so as to be movable with the movable body. Is elastically deformed by the guide groove, its outer surface is biased to the inner surface of the guide groove, and the collar is provided so as to be able to recover its original shape by the enlarged diameter portion and engageable with the guide groove side opening edge portion of the enlarged diameter portion. The movement of the movable body can be stopped at a desired position with a simple structure. Further, according to the present invention, a pair of collars is inserted into the guide groove, and either one of the collars is constantly engaged with the guide groove to elastically deform the movable body to promote stable movement of the movable body. A braking force is applied to the movable body to prevent the movable body from moving due to vibration or a slight force, and to prevent the movable body from rattling. Further, according to the present invention, a pair of collars are inserted into the guide grooves, these collars are elastically deformed by the guide grooves, and the original shape can be recovered by the expanded diameter portion, and the movable body is stopped by the pair of collars. It gives two functions to stop. Moreover, according to the present invention, a pair of collars are inserted into the guide groove, and these collars are elastically deformed by the guide groove excluding the enlarged diameter portion, and the elasticity of the collars gives a strong braking force to the movable body, It is possible to stop at any position of the guide groove and to strongly prevent the backlash of the movable body. According to the present invention, the inner surface of the collar elastically deformed by the guide groove can be pressed against the peripheral surface of the screw or bolt to prevent loosening of the screw or bolt. Further, the present invention has a movable body configured in a panel shape, and is applicable to a stopper mechanism such as a slide top plate of a table.
Further, according to the present invention, the movable body is formed in a box shape and is applicable to a stopper mechanism for extracting desks, furniture, and the like.

[0006]

According to a first aspect of the invention, a nut is embedded on both sides of one end and a movable body having a threaded portion opened on the lower surface, a guide rail having guide grooves with enlarged diameter portions at both ends, and From an elastically deformable collar having a diameter smaller than that of the expanded diameter portion, which is engageably inserted in the guide groove, and a screw or bolt which penetrates the collar and is screwed into the screw portion to support the collar. Therefore, the intended purpose can be achieved with a simple configuration.
Further, the collar is provided along the guide groove so as to be movable together with the movable body, and the collar is elastically deformed by the guide groove, and the outer surface of the collar is biased to the inner surface of the guide groove to apply a braking force to the movable body. The collar is provided so as to be able to recover the original shape at the enlarged diameter portion, and is provided so as to be able to engage with the guide groove side opening edge portion of the enlarged diameter portion to prevent the movable body from moving. According to the invention of claim 2, a pair of collars is inserted into the guide groove, and one of the collars is always engaged with the guide groove to elastically deform, thereby promoting stable movement of the movable body and moving by the elasticity of the collar. Give the body a braking force,
This prevents movement of the movable body due to vibration or slight force, and prevents backlash of the movable body. According to the invention of claim 3, a pair of collars are inserted into the guide grooves, these collars are elastically deformed by the guide grooves, and the expanded shape portion is provided so that the original shape can be recovered, and the movable body is stopped by the pair of collars. ,
Or give two functions to stop. According to a fourth aspect of the present invention, a pair of collars are inserted into the guide groove, and these collars are elastically deformed by the guide groove excluding the expanded diameter portion, and the elasticity of the collar gives a strong braking force to the movable body. Can be stopped at any position of the guide groove, and the play of the movable body is strongly prevented. According to the fifth aspect of the present invention, the inner surface of the collar elastically deformed by the guide groove can be pressed against the peripheral surface of the screw or bolt to prevent loosening of the screw or bolt. According to the invention of claim 6, the movable body is formed in a panel shape and can be applied to a stopper mechanism such as a slide top plate of a table. According to the invention of claim 7, the movable body is configured in a box shape, and can be applied to a stopper mechanism for extracting desks, furniture and the like.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An illustrated embodiment in which the present invention is applied to a personal computer table will be described below. In FIGS. 1 to 13, reference numerals 1 and 1 denote a pair of left and right pedestals having casters 2 and 3 attached to the front and rear thereof, respectively. A pair of stanchions 4 and 5 are erected. Shelf plates 6 and 7 are installed between the columns 4 and 5, and a slide top plate and a top plate 8 which will be described later are horizontally attached above the shelf plates 6, and a personal computer 9 is placed on the plate 8. The keyboard 10 is placed on the slide top plate.

A top plate 11 is attached to the upper ends of the columns 4 and 5, and a printer 12 is mounted on the top plate 11. In the figure, 13 is a reinforcing plate attached to the lower ends of the rear columns 5 and 5.

A pair of guide rails 14 and 14 are attached to the middle and high positions of the columns 4 and 5, and these are constructed symmetrically as shown in FIG. 2, and a steel plate is bent into a substantially L-shaped cross section. The bent pieces 14a and 14b are provided. Of the bending pieces 14a and 14b, the bending piece 14a arranged upwards
Is formed wider than the horizontally arranged bent piece 14b, and has hooking pieces 15 bent upward and hooks 16 bent downward at the front and rear ends thereof.

Among these, between the hooking piece 15 and the bending piece 14a, a locking piece 17 is formed by bending both ends of the top plate 8 downward.
17 is hooked, and the hook 16 is hooked in a notch groove 18 formed in the inner surfaces of the stanchions 4, 5, and guide rails 14, 14 are attached. In the figure, 19 is a slide guide fixed to the front half of the inner surface of the bending piece 14a and having a substantially L-shaped cross section.

On the other hand, the bent piece 14b is formed with a guide groove 20 and a bead-shaped convex portion 21 along the lengthwise direction, and the enlarged diameter portions 20a, 2 at both ends of the guide groove 20 are formed therein.
0b is formed in an arc shape having a diameter larger than the groove width of the groove 20 and slightly larger than a collar described later, and a bead-shaped convex portion 21 is provided along the groove 20 so as to project. A slide top plate 22 made of a synthetic resin, which is a movable body, is slidably fitted in the front-rear direction between the slide guide 19 and the bending piece 14b, and the top plate 22 has a horizontally long rectangular shape as shown in FIG. Is formed, and a pair of nuts 23 are embedded at both ends of the rear portion,
The screw portion 24 is open on the lower surface of the top plate 22.

A screw 25 or a bolt is screwed into the screw portion 24 from below the bending piece 14b, and a head portion 25a thereof is located directly below the bending piece 14b, and the head portion 25a and the lower surface of the slide top plate 22 are connected to each other. A collar 26 made of synthetic resin is inserted between them. The collar 26 is formed into a circular tube shape, for example, polypropylene, which has an appropriate hardness and a high repeatability and is excellent in wear resistance, and has an outer diameter larger than the groove width of the guide groove 20 and an expansion of the groove 20. The diameter portions 20a and 20b are formed to have a diameter slightly smaller than that of the diameter portions 20a and 20b, and the diameter portions 20a and 20b are inserted into the inner surface of the guide groove 20 so as to be engageable with each other. Then, the enlarged diameter portion 2 of the guide groove 20.
0a, 20b restores the original shape and ends 20a, 20b
Of the guide groove 20, and is crushed by the inner surface of the groove in the middle portion of the guide groove 20 so that it can be deformed into an oval shape as shown in FIGS.

A through hole 27 is formed in the inside of the collar 26, and a screw shaft of the screw 25 is inserted into the hole 27 with a margin, so that when the collar 26 moves in the middle portion of the guide groove 20, the inner surface thereof. Pushes the peripheral surface of the screw shaft of the screw 25.

Besides, reference numeral 28 in the drawing denotes an edge mounted on the peripheral surface of the side end portion of the slide top plate 22.

The main part of the stopper mechanism such as the slide panel thus constructed is composed of the guide rail 14, the slide top plate 22, the screw 25, and the collar 26, which are manufactured as follows. First, the guide rail 14 is manufactured by press-forming a steel plate, which bends the bending pieces 14a and 14b, and cuts and raises both ends of one bending piece 14a to form a hooking piece 15 and a hook 16. Then, the slide guide 19 provided separately is welded to the inner surface of the front half.

In addition, the guide groove 2 is formed over substantially the entire area of the bending piece 14b.
0 is punched out, and a projection 21 having a substantially hemispherical cross section is provided at a position adjacent to the punched 0. The pair of guide rails 14 and 14 are formed symmetrically. The slide top plate 22 is manufactured by embedding a pair of nuts 23 on both sides of the rear end portion at the time of resin molding and opening the screw portion 24 on the lower surface. The screw 25 is a commercially available one, and the collar 27 is formed by resin molding.

Next, when assembling these, a pair of left and right guide rails 14 are prepared, and their hooks 16 are used for the pedestal 1.
The left and right slide guides 19 and 19 and the bending piece 14 are hooked to the lower opening edge of the notch groove 18 of the columns 4 and 5 standing upright.
The slide top plate 22 is inserted between b and 14b, and the embedded nut 23 is positioned on the lower surface of the rear end portion.

At this time, for example, by utilizing the enlarged diameter portion 20b at the front end of the guide groove 20, the collar 26 is inserted into the enlarged diameter portion 20b from below as shown in FIG.
The screw 25 is inserted into the screw portion 24 from below, and the screw 26 is screwed into the screw portion 24 to fix the collar 26 to the screw head 25a and the slide top plate 2
Lightly sandwich it with the bottom surface of 2.

After that, screws 25 are screwed into each nut 23, and the collar 26 is attached. This situation is as shown in Figure 4,
The slide top plate 22 engages with the convex portions 21 and 21 of the left and right bent pieces 14b and 14b, and the collar 26 penetrates the guide groove 20 and projects downward, and the lower end thereof is the head 25 of the screw 25.
a is engaged and held. After this, the locking pieces 17, 17 are hooked between the hooking pieces 15 and the inner surfaces of the columns 4, 5, and the top plate 8 is attached. This situation is as shown in FIG.

The slide top plate 22 thus mounted is normally pushed to the rear of the personal computer table, and its rear end is located at the rear end of the table as shown in FIG. , Collar 26, 26 and screw 25,
25 and 25 are located. This situation is as shown in FIG. 11, and the collar 26 on the rear side has the enlarged diameter portion 20a at the rear end of the guide groove 20.
Located in the guide groove 2 while maintaining the original shape of its circular cross section.
It is placed so that it can be engaged with the front opening edge of 0, and prevents the slide top plate 22 from moving forward when stationary.

Further, the front collar 26 is provided with the guide groove 20.
It is located on the rear side, is crushed by the inner surfaces of the groove 20 facing each other, and is deformed into an oval shape along the groove 20. Therefore, the front side collar 26 presses the outer peripheral surface thereof against the inner surface of the guide groove 20 by the elasticity (restoring force) due to the above deformation, and the movement of the collar 26 is stopped by the pressure of the contact surface thereof. Therefore, the slide top plate 22 is strongly prevented from moving forward and the backlash of the top plate 22 in the left-right direction is prevented.

In this case, the inner peripheral surface of the collar 26 on the front side is pressed against the peripheral surface of the screw shaft of the screw 25, and the contact surface pressure prevents the screw 25 from moving or rotating. It does not loosen.

From this situation, when the front end of the slide top plate 22 is held and pulled out forward, the top plate 22 is
The screw 25 and the collar 26 connected to is pulled forward. At that time, the rear collar 26 engages with the front opening edge of the guide groove 20 and is crushed against the elasticity thereof, and elastically deforms in the same shape as the front collar 26, so that the enlarged diameter portion 20a It is pulled out, and the collar 26 on the front side moves along with it.

This situation is as shown in FIG.
Due to the elasticity (restoring force) due to the above deformation, the outer peripheral surface is pressed against the inner surface of the guide groove 20, and the inner surface of the guide groove 20 slides while maintaining the contact surface pressure. Therefore, the slide top plate 22 can be stopped at an arbitrary position of the guide groove 20 by the contact surface pressure and can hold the position, and the movement of the top plate 22 due to a slight external force or vibration can be prevented, Moreover, due to the contact surface pressure,
The play of the slide top plate 22 in the left-right direction is prevented.

In this case, the slide top plate 22 has a convex portion 21,
Since it moves in line contact with 21, the bending pieces 14b, 14
Compared with the case of moving on b, the contact area is very small, the frictional force is reduced by that amount, and it moves smoothly. Also,
When the slide top plate 22 is pulled out, the inner peripheral surface of the collar 26 is pressed against the peripheral surface of the screw shaft of the screw 25, and the movement or rotation of the screw 25 is blocked by the contact surface pressure, so that the screw 25 is loosened by vibration or impact. There is no fear.

In this way, the slide top plate 22 is pulled out forward, the front side collar 26 is guided to the guide groove 20,
When the collar 26 moves to the enlarged diameter portion 20b at the front end, the collar 26 recovers the original shape of the circular cross section by its elasticity, the peripheral surface thereof engages with the inner surface of the enlarged diameter portion 20b, and the top plate 22 stops. . This situation is as shown in FIG. 13, and the front collar 26
Is positioned so as to be engageable with the rear opening edge of the guide groove 20, so that the rearward movement of the slide top plate 22 at the time of the stop is prevented.

Further, the collar 26 on the rear side is provided with the guide groove 20.
Is located on the front side, is crushed by the inner surfaces of the groove 20 facing each other, and is deformed into an oval shape as shown in the drawing. Therefore, the rear side collar 26 presses the outer peripheral surface thereof against the inner surface of the guide groove 20 by the elasticity (restoring force) due to the above deformation, and the movement of the collar 26 is stopped by the pressure of the contact surface thereof. Therefore, the slide top plate 22 is strongly prevented from moving rearward, and the backlash of the top plate 22 in the left-right direction is prevented.

In this case, the inner peripheral surface of the rear collar 26 is pressed against the peripheral surface of the screw shaft of the screw 25, and the pressure of the contact surface prevents the screw 25 from moving or rotating. It does not loosen.

On the other hand, when the slide top plate 22 is used and pushed backward, the front collar 26 is crushed and elastically deformed in the same shape as the rear collar 26, and these move in the guide groove 20. Sometimes it elastically deforms together. At the end of pushing the top plate 22, the rear side collar 26 moves to the enlarged diameter portion 20a, the collar 26 recovers its original shape, and the front side collar 26 elastically deforms.
To recover the original condition. The action and effect in this case are substantially the same as when the slide top plate 22 is pulled out.

In this embodiment, the present invention is applied to a panel-shaped object such as a personal computer table, but not limited to this, it is also applied to a box-shaped movable body such as a desk or furniture extraction. can do.

[0031]

As described above, the stopper mechanism of the slide panel or the like according to the present invention has a nut embedded in both sides of one end thereof, a movable body having a threaded portion opened on the lower surface, and an enlarged diameter portion formed at both ends. A guide rail having a guide groove, an elastically deformable collar having a diameter smaller than that of the enlarged diameter portion, which is inserted into the guide groove so as to be engageable with the guide rail, and threaded through the collar and screwed into the threaded portion. Since it is configured with screws or bolts that can support, the intended purpose can be achieved with a simple configuration. Further, since the collar is provided so as to be movable with the movable body along the guide groove, the collar is elastically deformed by the guide groove, and the outer surface thereof is biased to the inner surface of the guide groove, a braking force is applied to the movable body, It is possible to prevent the movable body from moving due to vibration or slight force. Further, the collar is provided so as to be able to recover the original shape at the enlarged diameter portion so as to be engaged with the guide groove side opening edge portion of the enlarged diameter portion, and the movable body can be reliably stopped. Also,
According to the present invention, since a pair of collars are inserted into the guide groove and one of the collars is always engaged with the guide groove to be elastically deformed, stable movement of the movable body is promoted and the elasticity of the collar allows the movable body to move. A braking force can be applied to to prevent the movable body from moving due to vibration or slight force.
It is possible to prevent the backlash of the movable body. Moreover,
According to the present invention, a pair of collars are inserted into the guide grooves, and these collars are elastically deformed by the guide grooves and are provided so that the original shape can be recovered by the expanded diameter portion. Therefore, the movable body is stopped or stopped by the pair of collars. According to the present invention, which can provide two functions, the pair of collars are inserted into the guide groove, and these collars are elastically deformed by the guide groove except the enlarged diameter portion. It is possible to apply a braking force to stop the movable body at an arbitrary position in the guide groove, and strongly prevent rattling of the movable body. Further, according to the present invention, since the inner surface of the collar elastically deformed by the guide groove can be pressed against the peripheral surface of the screw or bolt, the loosening of the screw or bolt can be prevented. Further, the present invention can be applied to a stopper mechanism such as a slide top plate of a table because the movable body has a panel shape. Moreover, the present invention can be applied to a stopper mechanism for extracting desks, furniture, etc. because the movable body is formed in a box shape.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a personal computer table to which the present invention is applied, showing a slide top plate in a pulled-out state.

FIG. 2 is a cross-sectional view showing a main part of the present invention.

FIG. 3 is a plan view showing a main part of the present invention.

4 is a cross-sectional view taken along the line AA of FIG. 3, which is shown in an enlarged manner.

FIG. 5 is a plan view showing an example of a guide rail applied to the present invention.

FIG. 6 is a front view of FIG.

FIG. 7 is a cross-sectional view taken along the line BB of FIG. 5, which is enlarged and shown.

FIG. 8 is a bottom view showing an example of a movable body applied to the present invention.

9 is a cross-sectional view taken along the line CC of FIG. 8 and is shown in an enlarged manner.

FIG. 10 is an exploded perspective view showing a main part of the present invention, showing an assembled state of a movable body and a guide rail.

FIG. 11 is a transverse cross-sectional view showing a use state of the present invention, showing a normal state before drawing out the movable body.

FIG. 12 is a cross-sectional view showing a use state of the present invention, showing a state immediately after the movable body is pulled out.

FIG. 13 is a cross-sectional view showing a use state of the present invention, showing a state after completion of drawing out the movable body.

[Explanation of symbols]

 14 Guide Rail 20 Guide Grooves 20a, 20b Expanded Part 22 Movable Body (Slide Top Plate) 23 Nut 24 Screw Part 25 Screw or Bolt 26 Collar

Claims (7)

[Claims] 1. A stopper mechanism, such as a slide panel, in which a movable body is movably arranged along a pair of guide rails and the movable body can be stopped at both end positions of the guide rails. A movable body that is embedded and has its threaded portion opened on the lower surface, a guide rail that has guide grooves with enlarged diameter portions at both ends, and a guide rail that is engageably inserted in the guide groove and that has a diameter smaller than the enlarged diameter portion. A collar that is elastically deformable and a screw or bolt that penetrates the collar and is screwed into the threaded portion to support the collar, and the collar is provided so as to be movable along with the movable body along the guide groove. , The collar is elastically deformed by the guide groove, the outer surface of the collar is biased to the inner surface of the guide groove, and the collar is provided so that the original shape can be recovered by the enlarged diameter portion, and engages with the guide groove side opening edge portion of the enlarged diameter portion. Characterized by being provided as possible A stopper mechanism for sliding panels. 2. A stopper mechanism for a slide panel or the like according to claim 1, wherein a pair of collars are inserted into the guide groove, and one of the collars is always engaged with the guide groove to be elastically deformed. 3. A stopper mechanism for a slide panel or the like according to claim 1, wherein a pair of collars are inserted into the guide grooves, and these collars are elastically deformed by the guide grooves and can be restored to their original shape at the expanded diameter portion. 4. A stopper mechanism for a slide panel or the like according to claim 1, wherein a pair of collars are inserted into the guide grooves, and these collars are elastically deformed by the guide grooves excluding the enlarged diameter portion. 5. A stopper mechanism for a slide panel or the like according to claim 1, wherein the inner surface of the collar elastically deformed by the guide groove can be pressed against the peripheral surface of the screw or bolt. 6. A stopper mechanism for a slide panel or the like according to claim 1, wherein the movable body is panel-shaped. 7. A stopper mechanism for a slide panel or the like according to claim 1, wherein the movable body is box-shaped.