CN219331095U - Slide rail with synchronous and buffering closing mechanism - Google Patents

Abstract

The utility model discloses a sliding rail with a synchronous and buffer closing mechanism, which comprises a sliding rail outer frame, wherein a sliding rail inner frame is slidably arranged in the sliding rail outer frame, the sliding rail outer frame is fixed on a sliding rail support, the lower end of the sliding rail support is bent towards one side of the sliding rail inner frame, a rack is arranged on a bending part, a gear is connected with the rack in a meshed manner, and the gear is rotatably fixed on a frame wall at the rear end of the sliding rail inner frame; the buffer closing mechanism comprises a trigger piece and a buffer closing module, the trigger piece is fixed on the frame wall of the inner frame of the sliding rail, the buffer closing module is fixed on the bending part of the sliding rail support, and the buffer closing module is partially immersed into the inner side wall of the rack. The utility model has good synchronism, mild folding process, thinner thickness, simple structure, convenient production and low noise.

Description

Slide rail with synchronous and buffering closing mechanism

Technical Field

The utility model belongs to the technical field of sliding rails, and particularly relates to a sliding rail with a synchronous and buffering closing mechanism.

Background

Under the occasion that the installation width is comparatively great, the use of slide rail subassembly often needs cooperation synchro mechanism to guarantee that drawer mechanism can go on smoothly when opening or closing, can not lead to blocking because of the off-center. In addition, the use requirement of the sliding rail is higher and higher, and besides the smooth requirement of opening and closing, the sliding rail is required to have a buffer closing function so as to improve better push-pull hand feeling and realize an effective folding effect; at present, a set of synchronous buffer closing sliding rail mechanism can be easily found in the market, but the applicant finds that the mechanism with low price is often unstable in performance while the thickness of the sliding rail is generally thicker, and the mechanism is more complex and high in manufacturing cost due to the fact that the mechanism with stable performance is comfortable in use. How to realize the functions of synchronization and buffer closing through the simplest mechanism has higher practical value.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the sliding rail with the synchronous and buffer closing mechanism, so that the thickness of the sliding rail is reduced and the cost is reduced while the structure is simple and the production and the manufacturing are easy.

In order to achieve the technical purposes and effects, the utility model is realized by the following technical scheme:

the sliding rail with the synchronous and buffer closing mechanism comprises a sliding rail outer frame, wherein a sliding rail inner frame is slidably arranged in the sliding rail outer frame, the sliding rail outer frame is fixed on a sliding rail support, the lower end of the sliding rail support is bent towards one side of the sliding rail inner frame, a rack is arranged on a bending part, a gear is meshed with the rack and connected with the rack, and the gear is rotatably fixed on a frame wall at the rear end of the sliding rail inner frame; the buffer closing mechanism comprises a trigger piece and a buffer closing module, the trigger piece is fixed on the frame wall of the inner frame of the sliding rail, the buffer closing module is fixed on the bending part of the sliding rail support, and the buffer closing module is partially immersed into the inner side wall of the rack.

Further, the buffer closing module is arranged at the back position of the bending part of the sliding rail bracket.

Further, the joint of the upper end face of the rack and the inner side face of the rack is chamfered.

Further, the bending part of the sliding rail bracket comprises a plug-in connection part used for being connected with the rack and a bearing part used for supporting the rack, and the bearing part is lower than the plug-in connection part.

Further, a connecting part is arranged on one side wall of the gear, the connecting part is communicated with a gear hole of the gear, and a rivet penetrates through the connecting part and the gear hole and then rotatably rivets the gear on a frame wall at the rear end of the inner frame of the sliding rail; the cross section of the connecting part adopts a concave shape.

Further, the buffer closing module comprises a water tank-shaped base, wherein the base is fixed on the bending part of the sliding rail bracket, and the base part is sunk into the inner side wall of the rack; the base is internally provided with a slide block with a concave structure, the slide block is erected on a pair of oppositely arranged slide ways in the base through guide posts with two ends in pairs, the rear end of the slide block is connected with a damper and an elastic piece, and the damper and the elastic piece are both arranged in the base.

Further, a transverse concave slot is formed in the rear end of the sliding block, the movable rod of the damper is movably arranged in the concave slot through a connector, and the connector can pivot in the concave slot.

Further, a middle sliding rail frame is further arranged between the outer sliding rail frame and the inner sliding rail frame, and the outer sliding rail frame and the middle sliding rail frame and the inner sliding rail frame are respectively connected through ball retainers.

Further, an outer frame limiting block and an outer frame blocking block are arranged on the outer frame of the sliding rail; the sliding rail middle frame is provided with a first blocking point, a second blocking point and a third blocking point; the moving range of the middle frame of the sliding rail is limited through the coordination of the outer frame limiting block and the first and third blocking points, and the ball retainer between the outer frame of the sliding rail and the inner frame of the sliding rail is limited within the interval formed by the outer frame blocking block and the second blocking point through the coordination of the outer frame limiting block and the second blocking point.

Further, a fourth blocking point and a fifth blocking point are arranged on the inner frame of the sliding rail, a middle frame limiting block and a middle frame blocking block are arranged on the middle frame of the sliding rail, the moving range of the inner frame of the sliding rail is limited through the cooperation of the middle frame limiting block and the fourth blocking point and the fifth blocking point, and the ball retainer is limited in a section formed by the middle frame limiting block and the middle frame blocking block through the cooperation of the middle frame limiting block and the middle frame blocking block.

The beneficial effects of the utility model are as follows:

the utility model adopts the gear synchronous mechanism, which has the advantages of less number of parts, compact mechanism, simple and reliable process and low cost; the sliding rails are used in pairs, and are connected through the synchronous connecting rods, so that the shaking quantity of the gears after being installed is controlled more effectively, and the problems of motion noise and poor synchronism of the gears caused by shaking are solved;

the buffer closing mechanism provided by the utility model has the advantages that the elastic piece is arranged, so that the self-folding function of the sliding rail can be realized when the sliding block structure is triggered, meanwhile, due to the effect of the damper, the sliding rail is ensured to be slowly and slowly folded in the self-folding process, the sliding rail frame body is not impacted due to the tensile force of the elastic piece, and the service life of the sliding rail is prolonged;

the buffer closing mechanism is arranged between the rack and the slide rail bracket, so that the injury caused by collision of people is effectively avoided while the attractive appearance is improved; secondly, the buffer closing module is sunk into the rack, so that the thickness of the sliding rail is reduced;

according to the utility model, the noise reduction is realized by arranging the limiting blocks made of soft materials between the sliding rail frames.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of a sliding track in a folded state;

FIG. 2 is a schematic view showing an opened state of the slide rail according to the present utility model;

FIG. 3 is an exploded view of the slide rail of the present utility model;

FIG. 4 is a schematic diagram showing the connection of the trigger piece and the slider in the folded state of the sliding rail according to the present utility model;

FIG. 5 is a schematic view of the slide rail of the present utility model after the slide block is turned over when the slide rail is opened;

FIG. 6 is a schematic view of the slide rail of the present utility model with the rack removed in an open position;

FIG. 7 is a schematic view of the buffer closure module of the present utility model sinking into the rack inside wall surface;

FIG. 8 is a schematic view of a cushioning closure mechanism of the present utility model;

FIG. 9 is a schematic view of a slider structure according to the present utility model;

FIG. 10 is a schematic view of a trigger piece according to the present utility model;

fig. 11 is a schematic view of the tooth and connection structure of the present utility model.

The reference numerals in the figures illustrate: 1. a slide rail outer frame; 2. a sliding rail inner frame; 3. a slide rail middle frame; 4. a slide rail bracket; 5. a rack; 6. a gear; 7. a trigger piece; 8. a buffer closing module; 9. a connection part; 10. a ball holder; 11. an outer frame limiting block; 12. an outer frame blocking piece; 21. a fourth set of stop points; 22. a fifth blocking point; 31. a first blocking point; 32. a second blocking point; 33. a third blocking point; 34. a middle frame limiting block; 35. a middle frame blocking piece; 41. a plug-in part; 42. a carrying part; 51. bevel angle; 71. a fixed end; 72. a trigger end; 81. a base; 82. a slide block; 83. a guide post; 84. a damper; 85. an elastic member; 86. a connector; 811. a horizontal section; 812. a vertical section; 821. a concave slot; 822. a concave arm; 823. an outer concave arm.

Description of the embodiments

The utility model will be described in detail below with reference to the drawings in combination with embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, back, upper, lower, top, bottom … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicators are correspondingly changed.

Referring to fig. 1-2, a sliding rail with a synchronous and buffer closing mechanism comprises a sliding rail outer frame 1, wherein a sliding rail inner frame 2 is slidably arranged in the sliding rail outer frame 1, the sliding rail outer frame 1 is fixed on a sliding rail support 4, the lower end of the sliding rail support 4 is bent towards one side of the sliding rail inner frame 2, a rack 5 is arranged on a bending part, a gear 6 is connected with the rack 5 in a meshed manner, and the gear 6 is rotatably fixed on a frame wall at the rear end of the sliding rail inner frame 2; in this embodiment, the rack 5 and the gear 6 are straight teeth, as shown in fig. 10, and a connecting portion 9 is disposed on a side wall of the gear 6, the connecting portion 9 is communicated with a gear hole of the gear 6, a rivet penetrates through the connecting portion 9 and the gear hole to rivet the gear 6 on a frame wall at the rear end of the sliding rail inner frame 2, a section of the connecting portion 9 is in a concave shape, and a synchronous connecting rod can be fixed on the connecting portion 9 to be connected with another sliding rail of the synchronous and buffer closing mechanism.

In addition, referring to fig. 1 and fig. 3-8, the sliding rail of the synchronous and buffer closing mechanism further includes a buffer closing mechanism, the buffer closing mechanism is located at the rear end of the sliding rail, the buffer closing mechanism includes a trigger piece 7 and a buffer closing module 8, the trigger piece 7 is fixed on the frame wall of the sliding rail inner frame 2, the buffer closing module 8 is fixed on the bending portion of the sliding rail support 4, in this embodiment, in order to improve the aesthetic appearance and avoid collision to personnel, injury is caused, the buffer closing module 8 is disposed at the rear position of the bending portion of the sliding rail support 4, hidden between the rack 5 and the sliding rail support 4, and the buffer closing module 8 is partially immersed into the inner side wall of the rack 5, so that the space between the rack 5 and the sliding rail inner frame 2 is allowed to play a role of giving way, thereby reducing the overall thickness.

Further, referring to fig. 7, in this embodiment, an oblique angle 51 is chamfered at a connection portion between the upper end surface of the rack 5 and the inner side surface thereof, so as to avoid interference with the rack 5 caused by a decrease in space between the rack 5 and the inner frame 2 of the slide rail when the trigger piece 7 moves back and forth along with the inner frame 2 of the slide rail. Referring to fig. 3-6, in this embodiment, the bent portion of the sliding rail bracket 4 includes a plugging portion 41 for connecting with the rack 5 and a carrying portion 42 for supporting the rack 5, where the plugging portion 41 is provided with two groups, and is separately provided at front and rear ends of the sliding rail bracket 4, and the two groups of plugging portions 41 are in the same horizontal plane, where the width of the plugging portion 41 at the front end is greater than the width of the plugging portion 41 at the rear end; the bearing part 42 is located between the two groups of the plugging parts 41, and the bearing part 42 is lower than the plugging parts 41; when the rack is installed, as shown in fig. 2, the plugging part 41 penetrates into the rack 5 from the inner side wall of the rack 5, at this time, the bearing part 42 plays a supporting role on the rack 5 through the lower end of the rack 5, so that deformation of the rack 5 caused by environmental factors or long-time application can be effectively avoided, and meanwhile, the situation that the thickness of the rack 5 is reduced can be small, the meshing strength between the rack 5 and the gear 6 is not reduced, and the overall thickness is further reduced; in addition, in the present embodiment, as shown in fig. 4 to 6, the damper-closing module 8 is disposed on the carrying portion 42.

Further, referring to fig. 3-5 and fig. 7-9, in this embodiment, the buffer closing module 8 includes a base 81 having a trough shape, the base 81 is fixed on the bending portion of the slide rail bracket 4, and the base 81 is partially sunk into the inner side wall of the rack 5; a slide block 82 with a concave structure is arranged in the base 81, the slide block 82 is erected on a pair of oppositely arranged slide ways in the base 81 through guide posts 83 with two ends in pairs, the rear end of the slide block 82 is connected with a damper 84 and an elastic piece 85, and the damper 84 and the elastic piece 85 are both arranged in the base 81; the rear end of the sliding block 82 is provided with a transverse concave slot 821, the movable rod of the damper 84 is movably arranged in the concave slot 821 through a connector 86, and the connector 86 can pivot in the concave slot 821; the slide is made up of a horizontal section 811 and a vertical section 812.

Further, referring to fig. 10, in this embodiment, the trigger piece 7 includes a fixed end 71 fixedly connected to the inner frame 2 of the sliding rail and a trigger end 72 matched with the sliding block 82, where a movement track of the trigger end 72 is on the same horizontal plane as a movement track of the sliding block 82.

Referring to fig. 4-6 and fig. 10, when the slide inner frame 2 is pulled open, the trigger end 72 of the trigger piece 7 fixed on the slide inner frame 2 will abut against the outer concave arm 823 of the concave structure of the slide 82, so as to drive the slide 82 to move forward together, when the guide post 83 at the front end of the slide 82 moves from the horizontal section 811 to the vertical section 812, the slide 82 is overturned forward to limit, the trigger end 72 is separated from the concave structure of the slide 82, and the slide inner frame 2 is pulled out until the slide inner frame is completely opened; when the sliding rail inner frame 2 is folded, one end of the trigger end 72 will firstly abut against the concave arm 822 of the concave structure of the sliding block 82, after the trigger is unlocked, the outer concave arm 823 of the concave structure of the sliding block 82 will hook the trigger end 72, and under the action of the elastic member 85 and the damper 84, the sliding block 82 will pull the sliding rail inner frame 2 to be folded into the sliding rail outer frame 1 automatically and slowly, so as to realize automatic buffering and closing of the sliding rail.

Further, referring to fig. 1 to 3, in this embodiment, a middle rail frame 3 is further disposed between the outer rail frame 1 and the inner rail frame 2, and the outer rail frame 1 and the middle rail frame 3 and the inner rail frame 2 are respectively connected by a ball holder 10.

Wherein, the slide rail outer frame 1 is provided with an outer frame limiting block 11 and an outer frame blocking block 12; the slide rail middle frame 3 is provided with a first, a second and a third blocking points 31, 32 and 33; limiting the movement range of the slide rail middle frame 3 through the cooperation of the outer frame limiting block 11 and the first and third blocking points 31 and 33, and limiting the ball retainer 10 between the slide rail outer frame 1 and the slide rail inner frame 2 within a section formed by the outer frame blocking block 12 and the second blocking point 32 through the cooperation of the outer frame limiting block 11 and the second blocking point 32; when the sliding rail middle frame 3 is folded, the third blocking point 33 abuts against the outer side of the outer frame limiting block 11, and when the sliding rail middle frame 3 is pulled out and opened, the first blocking point 31 abuts against the inner side of the outer frame limiting block 11; meanwhile, after the first blocking point 31 abuts against the inner side of the outer frame limiting block 11, the pulling force is still maintained, the second blocking point 32 hooks the outer side surface of the ball retainer 10, and the front end of the ball retainer 10 abuts against the outer frame limiting block 12.

The sliding rail inner frame 2 is provided with a fourth blocking point 21 and a fifth blocking point 22, the sliding rail middle frame 3 is provided with a middle frame limiting block 34 and a middle frame blocking block 35, the moving range of the sliding rail inner frame 2 is limited through the cooperation of the middle frame limiting block 34 and the fourth blocking point 21 and the fifth blocking point 22, when the sliding rail inner frame 2 is folded and closed, the fifth blocking point 22 props against the outer side of the middle frame limiting block 34, and when the sliding rail inner frame 2 is pulled out and opened, the fourth group blocking point 21 props against the inner side of the middle frame limiting block 34; and limiting the ball retainer 10 within the interval formed by the middle frame limiting block 34 and the middle frame blocking block 35 through the cooperation of the middle frame limiting block 34 and the middle frame blocking block 35, so as to prevent the ball retainer 10 from sliding out from between the sliding rail middle frame 3 and the sliding rail inner frame 2.

It should be noted that, the outer frame limiting block 1 and the middle frame limiting block 34 are made of soft materials, so that the noise of the sliding rail can be effectively reduced.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a slide rail with synchronous and buffering closing mechanism, includes a slide rail frame (1), slidable is provided with a slide rail inside casing (2), its characterized in that in slide rail frame (1): the sliding rail outer frame (1) is fixed on a sliding rail support (4), the lower end of the sliding rail support (4) is bent towards one side of the sliding rail inner frame (2), a rack (5) is arranged on the bending part, a gear (6) is meshed with the rack (5), and the gear (6) is rotatably fixed on the frame wall at the rear end of the sliding rail inner frame (2); the buffer closing mechanism comprises a trigger piece (7) and a buffer closing module (8), wherein the trigger piece (7) is fixed on the frame wall of the sliding rail inner frame (2), the buffer closing module (8) is fixed on the bending part of the sliding rail support (4), and the buffer closing module (8) is partially immersed in the inner side wall of the rack (5).

2. The slide rail with synchronization and cushioning closure mechanism of claim 1, wherein: the buffer closing module (8) is arranged at the back position of the bending part of the sliding rail bracket (4).

3. The slide rail with synchronization and cushioning closure mechanism of claim 1, wherein: an oblique angle (51) is arranged at the joint of the upper end face of the rack (5) and the inner side face of the rack.

4. The slide rail with synchronization and cushioning closure mechanism of claim 1, wherein: the bending part of the sliding rail bracket (4) comprises a plug-in connection part (41) used for being connected with the rack (5) and a bearing part (42) used for supporting the rack (5), and the bearing part (42) is lower than the plug-in connection part (41).

5. The slide rail with synchronization and cushioning closure mechanism of claim 1, wherein: a connecting part (9) is arranged on one side wall of the gear (6), the connecting part (9) is communicated with a gear hole of the gear (6), and a rivet penetrates through the connecting part (9) and the gear hole and then rotatably rivets the gear (6) on the frame wall at the rear end of the sliding rail inner frame (2); the section of the connecting part (9) adopts a concave shape.

6. The slide rail with synchronization and cushioning closure mechanism of claim 1, wherein: the buffer closing module (8) comprises a water tank-shaped base (81), the base (81) is fixed on the bending part of the sliding rail bracket (4), and the base (81) partially sinks into the inner side wall of the rack (5); the novel sliding seat is characterized in that a sliding block (82) with a concave structure is arranged in the base (81), the sliding block (82) is erected on a pair of oppositely arranged slide ways in the base (81) through guide posts (83) which are paired at two ends of the sliding block, the rear end of the sliding block (82) is connected with a damper (84) and an elastic piece (85), and the damper (84) and the elastic piece (85) are both arranged in the base (81).

7. The slide rail with synchronization and cushioning closure mechanism of claim 6, wherein: the rear end of the sliding block (82) is provided with a transverse concave slot (821), the movable rod of the damper (84) is movably arranged in the concave slot (821) through a connector (86), and the connector (86) can pivot in the concave slot (821).

8. The slide rail with synchronization and cushioning closure mechanism of claim 1, wherein: a sliding rail middle frame (3) is further arranged between the sliding rail outer frame (1) and the sliding rail inner frame (2), and the sliding rail outer frame (1) and the sliding rail middle frame (3) and the sliding rail inner frame (2) are respectively connected through a ball retainer (10).

9. The slide rail with synchronization and cushioning closure mechanism of claim 8, wherein: an outer frame limiting block (11) and an outer frame blocking block (12) are arranged on the sliding rail outer frame (1); the slide rail middle frame (3) is provided with a first, a second and a third blocking points (31, 32, 33); the moving range of the sliding rail middle frame (3) is limited through the cooperation of the outer frame limiting block (11) and the first blocking points (31) and the third blocking points (33), and the ball retainer (10) between the sliding rail outer frame (1) and the sliding rail inner frame (2) is limited within a section formed by the outer frame blocking block (12) and the second blocking points (32) through the cooperation of the outer frame limiting block (11) and the second blocking points (32).

10. The slide rail with synchronization and cushioning closure mechanism of claim 8, wherein: the novel ball retainer is characterized in that a fourth blocking point (21) and a fifth blocking point (22) are arranged on the sliding rail inner frame (2), a middle frame limiting block (34) and a middle frame blocking block (35) are arranged on the sliding rail middle frame (3), the moving range of the sliding rail inner frame (2) is limited through the matching of the middle frame limiting block (34) and the fourth blocking point and the fifth blocking point (21, 22), and the ball retainer (10) is limited in a section formed by the middle frame limiting block (34) and the middle frame blocking block (35) through the matching of the middle frame limiting block (34) and the middle frame blocking block (35).

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