Synchronous retainer and sliding rail assembly
By designing a synchronous cage, the high manufacturing and replacement costs of ball cages are solved through the snap-fit connection between the fastener and the through hole and the groove engagement, thus achieving stability and lightweight design of the slide rail.
Patent Information
- Application Number
- CN202520457939.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The manufacturing and replacement costs of existing ball cages are relatively high.
A synchronous retainer is adopted, including a first frame and a second frame. The frame movement is restricted by the fasteners on the connectors and the through holes. The connectors are plate-shaped and are inserted into the grooves to achieve a stable connection.
It reduces the replacement cost of the ball cage, ensures the stability and strength of the slide rail during the push-pull process, and reduces friction and volume.
Smart Images
Figure CN223873546U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to slide rail technical field especially synchronism retainer and slide rail assembly. BACKGROUND
[0002] The slide rail is usually installed in the drawer structure of furniture or electrical appliances.
[0003] The slide rail comprises an inner rail, a middle rail and an outer rail, and a ball retainer is arranged between the outer rail and the middle rail and between the middle rail and the inner rail.
[0004] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present disclosure, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. SUMMARY
[0005] In view of the deficiencies of the prior art, the utility model discloses a synchronous retainer and a slide rail assembly to solve the problem of relatively high manufacturing and replacement cost of the ball retainer.
[0006] The technical scheme adopted by the utility model is as follows:
[0007] The synchronous retainer comprises a first frame body and a second frame body, which are arranged in parallel and at intervals, the second frame body is located at the lower end of the first frame body, and through holes are formed in the first frame body and the second frame body; a connecting piece is arranged between the outer sides of the first frame body and the second frame body along the length direction of the first frame body, and a buckle part is arranged at the upper and lower ends of the connecting piece; wherein the portions of the first frame body and the second frame body located outside the through holes are respectively clamped into the buckle parts, and the two buckle parts are respectively buckled with the through holes.
[0008] Further, the through hole comprises a first hole and a second hole, the second hole is formed at one end of the first hole close to the connecting piece, and the inner diameter of the second hole is greater than that of the first hole; the buckle part comprises a bending part, which is in a half-frame type, has a first groove close to one end of the connecting piece, and has a first end connected to the upper and lower ends of the connecting piece and a second end penetrating through the first hole and extending into the second hole; a hook part is located in the second hole, has a first end connected to the second end of the bending part, and has a second end located on the side away from the connecting piece, and when the through hole is observed in the direction away from the connecting piece, the hook part is at least partially projected on the bottom of the second hole.
[0009] Further, the connecting piece further comprises a protruding part arranged on the connecting piece and protruding towards the inner side.
[0010] Further, the bending part, the hook part and the connecting piece are integrally bent and formed.
[0011] Further, the first frame body and the second frame body are provided with a second groove at one end away from the connecting piece and in a direction perpendicular to the connecting piece, the second groove is located corresponding to the through hole, and the bending part is clamped into the second groove.
[0012] Further, the first frame body and the second frame body are provided with a plurality of clamping grooves at intervals along the length direction, the clamping grooves are clamped with balls, and the through hole is located corresponding to two adjacent clamping grooves.
[0013] Further, the connecting piece is provided with a plurality of buckling parts at intervals along the length direction at the upper and lower ends, and the buckling parts are located corresponding to the second grooves.
[0014] The utility model discloses further disclose a slide rail assembly, the slide rail assembly includes first rail, the second rail of relative to first rail sliding and the third rail of relative to second rail sliding, between first rail and second rail and between second rail and third rail are installed as preceding synchronous retainer.
[0015] The utility model discloses beneficial effects as follows:
[0016] (1) the synchronous retainer of the utility model discloses embodiment, by clamping the part of first frame body and second frame body located outside the through hole into buckling part respectively, limit the movement of first frame body and second frame body to the inside and outside direction and the movement to the direction away from connecting piece, two buckling parts are buckled with the through hole respectively, limit the movement of first frame body and second frame body to the direction close to connecting piece, simple structure, first frame body and second frame body connect stably, and convenient to dismount, and the replacement cost is low.
[0017] (2) further, by installing synchronous retainer between first rail and second rail and between second rail and third rail, make the slide rail keep stable when pushing in and drawing out, simultaneously because first frame body and second frame body are connected only through connecting piece, and the connecting piece is the plate body, and the buckling part of the upper and lower ends of connecting piece is clamped into the second groove, the slide rail is small in volume, light in weight when guaranteeing the supporting strength, especially suitable for multi -section slide rail. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the explosion map of the synchronous retainer of the utility model.
[0019] Figure 2 It is the longitudinal section view of the synchronous retainer of the utility model.
[0020] Figure 3 It is Figure 2Enlarged view at A.
[0021] Figure 4 Axonometric view of the slide rail assembly of the present application.
[0022] In the drawings:
[0023] 1, first frame body; 11, through hole; 111, first hole; 112, second hole; 12, second groove; 13, clamping groove; 2, second frame body; 3, ball; 4, connecting piece; 41, buckle part; 411, bending part; 412, hook part; 42, protruding part; 5, first rail; 6, second rail; 7, third rail. DETAILED DESCRIPTION
[0024] The specific embodiments of the present application will be described below with reference to the accompanying drawings.
[0025] In order to make the purpose, technical scheme and advantages of the present application more clear, the device proposed by the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the present application will be more clear. It should be noted that the drawings are greatly simplified and all use non-precise proportions, only to facilitate and clearly assist the purpose of explaining the embodiments of the present application. In order to make the purpose, features and advantages of the present application more obvious and easy to understand, please refer to the accompanying drawings. It should be noted that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limiting conditions of the implementation of the present application, so they do not have the technical essence, any modification of the structure, change of the proportion relationship or adjustment of the size, as long as it does not affect the effect and purpose that can be achieved by the present application, it should still fall within the scope of the technical content disclosed by the present application.
[0026] First embodiment:
[0027] The present embodiment discloses a synchronous retainer.
[0028] As shown in Figure 1 , the synchronous retainer comprises a first frame body 1, a second frame body 2 and a connecting piece 4.
[0029] As shown in Figure 2 and Figure 3 , the first frame body 1 and the second frame body 2 are arranged in parallel and spaced apart, the second frame body 2 is located at the lower end of the first frame body 1, and the first frame body 1 and the second frame body 2 are provided with through holes 11. Exemplarily, the second frame body 2 is located directly below the first frame body 1. The through holes 11 are vertically and centrally provided in the first frame body 1 and the second frame body 2, and the positions of the through holes 11 in the first frame body 1 and the second frame body 2 correspond one by one.
[0030] AsFigure 2 and Figure 3 As shown, the connector 4 is disposed between the outer sides of the first frame 1 and the second frame 2 along the length direction of the first frame 1, and fasteners 41 are respectively provided at the upper and lower ends of the connector 4. For example, in... Figure 1 In the embodiments shown in the other accompanying drawings, arrow X points to the front end of the slide rail assembly, i.e., the opening direction; the opposite direction of arrow X points to the rear end of the slide rail assembly, i.e., the closing direction; arrow Y points to the inner side of the slide rail assembly; the opposite direction of arrow Y points to the outer side of the slide rail assembly; arrow Z points to the upper end of the slide rail assembly; the opposite direction of arrow Z points to the lower end of the slide rail assembly. Connector 4 is a vertical plate.
[0031] like Figure 2 and Figure 3 As shown, the portions of the first frame 1 and the second frame 2 located outside the through hole 11 are respectively inserted into the fasteners 41, and the two fasteners 41 are respectively engaged with the through hole 11. Exemplarily, the through hole 11 includes a first hole 111 and a second hole 112. The second hole 112 is formed at the end of the first hole 111 near the connector 4, and the inner diameter of the second hole 112 is larger than the inner diameter of the first hole 111. The fasteners 41 include a bent portion 411 and a hook portion 412. The bent portion 411 is semi-frame shaped, with a first groove at the end near the connector 4, and the portions of the first frame 1 and the second frame 2 located outside the through hole 11 are respectively inserted into the first groove. The first ends of the two bent portions 411 are respectively connected to the upper and lower ends of the connector 4, and the second ends pass through the first hole 111 and extend into the second hole 112. The hook 412 is located inside the second hole, with its first end connected to the second end of the bent portion 411. The second end is located on the side of the first end away from the connector. When viewing the through hole 11 in a direction away from the connector 4, at least part of the projection of the hook 412 is located at the bottom of the second hole 112. When the first frame 1 and the second frame 2 tend to move towards the connector 4, the second end of the hook 412 abuts against the bottom of the second hole 112, preventing the movement of the first frame 1 and the second frame 2. When the first frame 1 and the second frame 2 tend to move away from the connector 4, the first groove prevents the movement of the first frame 1 and the second frame 2, thereby maintaining the stability of the cage.
[0032] like Figure 1 and Figure 2 As shown, the connector 4 further includes a protrusion 42, which is provided on the connector 4 and protrudes inward to reduce the contact area between the retainer and the inner slide rail, reduce the friction when the slide rail is pushed in and pulled out, and at the same time, the protrusion 42 gives the connector 4 a certain deformation space, which can better withstand the vibration and collision between the inner slide rail and the outer slide rail, and has good load-bearing performance.
[0033] Preferably, the bending part 411, the hook part 412 and the connecting piece 4 are integrally bent and formed, facilitating the production of the retainer and maintaining the high overall strength of the retainer.
[0034] As shown in Figure 1 and Figure 3 Further, the first frame body 1 and the second frame body 2 are provided with a second groove 12 at one end of the connecting piece 4 in a direction perpendicular to the connecting piece 4, the second groove 12 is located corresponding to the through hole 11, the bending part 411 is clamped into the second groove 12, reducing the part of the bending part 411 exposed to the second groove 12, reducing the friction between the retainer and the outer slide rail.
[0035] As shown in Figure 1 Further, the first frame body 1 and the second frame body 2 are provided with a plurality of clamping grooves 13 spaced apart along the length direction, the ball 3 is clamped into the clamping groove 13, and the through hole 11 is located corresponding to the space between two adjacent clamping grooves 13.
[0036] As shown in Figure 1 Further, the connecting piece 4 is provided with a plurality of buckling parts 41 spaced apart along the length direction at the upper and lower ends, the buckling part 41 is located corresponding to the second groove 12, improving the connection strength and stability between the first frame body 1 and the second frame body 2.
[0037] In this embodiment, by clamping the part of the first frame body 1 and the second frame body 2 located outside the through hole 11 into the buckling part 41, the movement of the first frame body 1 and the second frame body 2 towards the inside and outside directions and the movement of the first frame body 1 and the second frame body 2 towards the direction away from the connecting piece 4 are limited, the two buckling parts 41 are buckled with the through hole 11 respectively, limiting the movement of the first frame body 1 and the second frame body 2 towards the direction close to the connecting piece 4, the structure is simple, the connection between the first frame body 1 and the second frame body 2 is stable, and the disassembly and assembly are convenient, the replacement cost is low.
[0038] Second embodiment:
[0039] The embodiment discloses a slide rail assembly.
[0040] As shown in Figure 4 The slide rail assembly comprises a first rail 5, a second rail 6 slidable relative to the first rail 5, and a third rail 7 slidable relative to the second rail 6. The first embodiment of the synchronous retainer is installed between the first rail 5 and the second rail 6 and between the second rail 6 and the third rail 7. Exemplarily, the first rail 5 is an inner rail, the second rail 6 is a middle rail, and the third rail 7 is an outer rail.
[0041] In the embodiment, the synchronous holding frame is installed between the first rail 5 and the second rail 6 and between the second rail 6 and the third rail 7, so that the slide rail can be kept stable when pushed in and pulled out, and meanwhile, the first frame body 1 and the second frame body 2 are connected only through the connecting piece 4, the connecting piece 4 is a plate body, the buckle parts 41 at the upper and lower ends of the connecting piece 4 are clamped into the second grooves 12, the slide rail is small in size and light in weight while ensuring the supporting strength, and is especially suitable for multi-section slide rails.
[0042] The technical features of the above-described embodiments can be combined in any manner, and for the sake of brevity, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not contradict each other, they should be considered within the scope of the present disclosure.
[0043] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A synchronous cage, characterized in that, The synchronous retainer comprises: a first frame body and a second frame body arranged in parallel and spaced apart, the second frame body being located at the lower end of the first frame body, and through holes being formed in the first frame body and the second frame body; a connecting piece arranged between the outer sides of the first frame body and the second frame body along the length direction of the first frame body, and a buckle being arranged at the upper and lower ends of the connecting piece respectively; wherein the portions of the first frame body and the second frame body located outside the through holes are respectively clamped into the buckles, and the two buckles are respectively buckled with the through holes.
2. The synchronous cage of claim 1, wherein, The through hole comprises: a first hole; a second hole formed at one end of the first hole close to the connecting piece, the inner diameter of the second hole being larger than that of the first hole; The buckle comprises: a bent portion in a half-frame type, having a first groove at one end close to the connecting piece, the first end being connected to the upper and lower ends of the connecting piece respectively, and the second end penetrating through the first hole and extending into the second hole; a hook portion located in the second hole, the first end being connected to the second end of the bent portion, and the second end being located at the side away from the connecting piece of the first end, the hook portion being at least partially projected on the bottom of the second hole when the through hole is observed in the direction away from the connecting piece.
3. The synchronous cage of claim 2, wherein, The connecting piece further comprises: a protruding portion arranged on the connecting piece and protruding towards the inner side.
4. The synchronous cage of claim 3, wherein: The bent portion, the hook portion and the connecting piece are integrally bent and formed.
5. The synchronous cage of claim 2, wherein: The first frame body and the second frame body are provided with a second groove at one end away from the connecting piece along the direction perpendicular to the connecting piece, the second groove being located corresponding to the through hole, and the bent portion being clamped into the second groove.
6. The synchronous cage of claim 5, wherein: A plurality of clamping grooves are arranged on the first frame body and the second frame body along the length direction thereof and spaced apart, the clamping grooves being clamped with the balls, and the through hole being located corresponding to the space between the adjacent two clamping grooves.
7. The synchronous cage of claim 6, wherein: A plurality of buckles are arranged on the connecting piece at the upper and lower ends thereof along the length direction thereof, the buckles being located corresponding to the second groove.
8. A slide rail assembly, characterized by, The slide rail assembly comprises a first rail, a second rail slidable relative to the first rail, and a third rail slidable relative to the second rail; the first rail and the second rail and the second rail and the third rail are provided with the synchronous retainer according to any one of claims 1-7.