Two-section sliding rail structure

By setting a load-bearing wheel group and a guide assembly between the fixed rail and the movable rail, and using rollers and balls for support and limitation, the shaking problem of the slide rail during high-speed movement in the existing technology is solved, and the load-bearing capacity and stability of the slide rail are improved.

CN223415929UActive Publication Date: 2025-10-10DONGGUAN GERUISI PRECISION HARDWARE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422801563.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-10-10
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The existing two-section slide rails are prone to shaking left and right or up and down when moving at high speed, resulting in uneven sliding and poor stability.

Method used

By arranging a load-bearing wheel group and a guide assembly between the fixed rail and the movable rail, and using rollers and balls for support and limitation, the load-bearing capacity and stability of the slide rail are improved.

Benefits of technology

The load-bearing capacity and working stability of the slide rail are realized.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223415929U_ABST
    Figure CN223415929U_ABST
Patent Text Reader

Abstract

The utility model discloses a two-section sliding rail structure which comprises a support, a fixed rail and a movable rail. The fixed rail comprises a first fixed rail connecting piece, a second fixed rail connecting piece and a third fixed rail connecting piece; the second orbit determination connecting piece vertically extends upwards and is horizontally bent inwards to form a fourth orbit determination connecting piece; the third orbit determination connecting piece vertically extends upwards and is horizontally bent inwards to form a fifth orbit determination connecting piece; the movable rail comprises a first movable rail connecting piece, a second movable rail connecting piece and a third movable rail connecting piece; the first movable rail connecting piece is horizontally arranged; the second movable rail connecting piece and the third movable rail connecting piece are both in an L shape. The horizontal part of the second movable rail connecting piece is connected with the first movable rail connecting piece, and the vertical part of the second movable rail connecting piece vertically extends upwards and is connected with the horizontal part of the third movable rail connecting piece; the vertical part of the third movable rail connecting piece vertically extends downwards; a bearing wheel set is further arranged between the fixed rail and the movable rail. The bearing performance and the stability of the two-section sliding rail structure are better.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the field of furniture, and in particular relates to a two-section slide rail structure. Background Art

[0002] Slides, also known as guide rails or runners, are hardware components fixed to the cabinet body of furniture to allow drawers or panels to move in and out. Slides are used to connect drawers in cabinets, furniture, document cabinets, bathroom cabinets, and other furniture made of wood and steel. They are generally available in two or three sections.

[0003] However, the load-bearing capacity of the existing two-section slide rails needs to be improved, and when the moving rail moves too fast, it is easy to shake left and right or up and down, resulting in the moving rail sliding in and out not being smooth and stable. Utility Model Content

[0004] In order to overcome the deficiencies in the prior art, the utility model provides a two-section slide rail structure, which has better load-bearing performance and stability.

[0005] The technical solution of the utility model to solve the above technical problems is:

[0006] A two-section slide rail structure includes a bracket, a fixed rail arranged on the bracket, and a movable rail arranged on the fixed rail, wherein:

[0007] The rail fixing member includes a first rail fixing member provided horizontally, and a second rail fixing member and a third rail fixing member provided on both sides of the first rail fixing member, wherein the second rail fixing member extends vertically upward and is horizontally bent inward to form a fourth rail fixing member extending horizontally; the third rail fixing member extends vertically upward and is horizontally bent inward to form a fifth rail fixing member extending horizontally;

[0008] The movable rail includes a first movable rail contact, a second movable rail contact, and a third movable rail contact, wherein the first movable rail contact is horizontally arranged; the second movable rail contact and the third movable rail contact are both L-shaped; the horizontal portion of the second movable rail contact is connected to the first movable rail contact, the vertical portion of the second movable rail contact extends vertically upward and is connected to the horizontal portion of the third movable rail contact; the vertical portion of the third movable rail contact extends vertically downward;

[0009] A load-bearing wheel set is also provided between the fixed rail and the movable rail.

[0010] Preferably, a first installation gap is formed between the first rail fixing piece, the second rail fixing piece, the third rail fixing piece and the first movable rail fixing piece; a second installation gap is formed between the second rail fixing piece, the fourth rail fixing piece, the first movable rail fixing piece and the vertical portion of the second movable rail fixing piece; a third installation gap is formed between the horizontal portion and the vertical portion of the second movable rail fixing piece, the third rail fixing piece and the fifth rail fixing piece; and a fourth installation gap is formed between the vertical portion of the second movable rail fixing piece, the fifth rail fixing piece and the horizontal portion and the vertical portion of the third movable rail fixing piece.

[0011] Preferably, the height of the fourth track fixing link is lower than the height of the fifth track fixing link.

[0012] Preferably, the horizontal portion of the second movable rail connector is connected to the end portion of the first fixed rail connector in an arc shape.

[0013] Preferably, the load-bearing wheel assembly includes a load-bearing frame and a first load-bearing component, a second load-bearing component and a third load-bearing component sequentially arranged on the load-bearing frame from bottom to top, wherein:

[0014] The first load-bearing assembly includes a plurality of groups of first load-bearing rollers arranged in the middle of the load-bearing frame and arranged along the length direction of the load-bearing frame; the plurality of groups of first load-bearing rollers are located in the first installation gap;

[0015] The second load-bearing assembly includes a plurality of groups of second load-bearing rollers respectively arranged on both sides of the load-bearing frame and arranged along the length direction of the load-bearing frame, wherein the second load-bearing roller on the left side is located in the second installation gap, and the second load-bearing roller on the right side is located in the third installation gap;

[0016] The third load-bearing assembly includes multiple groups of third load-bearing rollers arranged on the right side of the load-bearing frame and arranged along the length direction of the load-bearing frame. The multiple groups of third load-bearing rollers are located in the fourth installation gap.

[0017] Preferably, the load-bearing frame is further provided with a guide assembly, and the guide assembly includes a first guide roller and a second guide roller, wherein:

[0018] The first guide roller is located in the second installation gap, and the axis direction of the first guide roller is perpendicular to the axis direction of the second load-bearing roller;

[0019] The second guide roller is located in the third installation gap, and the axial direction of the second guide roller is perpendicular to the axial direction of the second load-bearing roller.

[0020] Preferably, limiting blocks for preventing the load-bearing assembly from falling out are provided on both sides of the fixed rail or the movable rail.

[0021] Preferably, there are two groups of limit blocks, one group of limit blocks is arranged on the movable rail, and the other group of limit blocks is arranged on the fixed rail; both groups of limit blocks are located on both sides of the first installation gap.

[0022] Preferably, the load-bearing components are multiple groups.

[0023] Preferably, the brackets are in two groups.

[0024] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0025] The two-section slide rail structure of the utility model improves the structures of the fixed rail and the movable rail so that the gap between the fixed rail and the movable rail can be supported and limited by rollers or balls, thereby supporting the fixed rail and the movable rail during the sliding process and limiting their positions in the up and down directions and the left and right directions, thereby improving the load-bearing capacity and working stability of the two-section slide rail structure of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the two-section slide rail structure of the utility model.

[0027] Figure 2 This is an exploded view of the two-section slide rail structure of the utility model.

[0028] Figure 3 This is a front view of the two-section slide rail structure of the utility model.

[0029] Figure 4 This is a schematic diagram of the positions of the first installation gap, the second installation gap, the third installation gap, and the fourth installation gap.

[0030] Figure 5 It is a structural diagram of the load-bearing component.

[0031] Figure 6 Schematic diagram of the three-dimensional structure of orbit determination.

[0032] Figure 7 Schematic diagram of the three-dimensional structure of orbit determination. DETAILED DESCRIPTION

[0033] The present invention will be described in further detail below with reference to the embodiments and drawings, but the embodiments of the present invention are not limited thereto.

[0034] See also Figure 1-Figure 7 The two-section slide rail structure of the present invention includes a bracket 3, a fixed rail 1 provided on the bracket 3, and a movable rail 2 provided on the fixed rail 1, wherein:

[0035] There are two groups of brackets 3, and the brackets 3 are L-shaped;

[0036] The rail fixing member 1 includes a first rail fixing member 101 arranged horizontally, and a second rail fixing member 102 and a third rail fixing member 103 arranged on both sides of the first rail fixing member 101, wherein the second rail fixing member 102 extends vertically upward and bends horizontally inward to form a fourth rail fixing member 104 extending horizontally; the third rail fixing member 103 extends vertically upward and bends horizontally inward to form a fifth rail fixing member 105 extending horizontally; wherein the height of the fourth rail fixing member 104 is lower than that of the fifth rail fixing member 105;

[0037] The movable rail 2 includes a first movable rail contact piece 201, a second movable rail contact piece 202, and a third movable rail contact piece 203, wherein the first movable rail contact piece 201 is arranged horizontally; the second movable rail contact piece 202 and the third movable rail contact piece 203 are both L-shaped; the horizontal portion of the second movable rail contact piece 202 is connected to the end of the first movable rail contact piece 201 in an arc shape, and the vertical portion of the second movable rail contact piece 202 extends vertically upward and is connected to the horizontal portion of the third movable rail contact piece 203; the vertical portion of the third movable rail contact piece 203 extends vertically downward;

[0038] At least one set of load-bearing wheels 4 is further provided between the fixed rail 1 and the movable rail 2 .

[0039] See also Figure 1-Figure 7 A first installation gap A is formed between the first rail fixing piece 101, the second rail fixing piece 102, the third rail fixing piece 103 and the first movable rail fixing piece 201; a second installation gap B is formed between the second rail fixing piece 102, the fourth rail fixing piece 104, the first movable rail fixing piece 201 and the vertical portion of the second movable rail fixing piece 202; a third installation gap C is formed between the horizontal portion and the vertical portion of the second movable rail fixing piece 202, the third rail fixing piece 103 and the fifth rail fixing piece 105; and a fourth installation gap D is formed between the vertical portion of the second movable rail fixing piece 202, the fifth rail fixing piece 105 and the horizontal portion and the vertical portion of the third movable rail fixing piece 203.

[0040] See also Figure 1-Figure 7 The load-bearing wheel group 4 includes a load-bearing frame 401 and a first load-bearing component, a second load-bearing component and a third load-bearing component sequentially arranged on the load-bearing frame 401 from bottom to top, wherein,

[0041] The first load-bearing assembly includes a plurality of groups of first load-bearing rollers 402 arranged in the middle of the load-bearing frame 401 and arranged along the length direction of the load-bearing frame 401; the plurality of groups of first load-bearing rollers 402 are located in the first installation gap A;

[0042] The second load-bearing assembly includes a plurality of groups of second load-bearing rollers 403 respectively disposed on both sides of the load-bearing frame 401 and arranged along the length direction of the load-bearing frame 401, wherein the second load-bearing roller 403 on the left side is located in the second installation gap B, and the second load-bearing roller 403 on the right side is located in the third installation gap C;

[0043] The third load-bearing assembly includes multiple groups of third load-bearing rollers 404 arranged on the right side of the load-bearing frame 401 and arranged along the length direction of the load-bearing frame 401. The multiple groups of third load-bearing rollers 404 are located in the fourth installation gap D.

[0044] By providing the above-mentioned first load-bearing roller 402, second load-bearing roller 403 and third load-bearing roller 404, the movable rail 2 and the furniture connected to the movable rail 2 (such as drawers, etc.) are supported and guided, thereby improving the bearing capacity of the two-section slide rail structure of the present invention.

[0045] See also Figure 1-Figure 7 A guide assembly is also provided on the load-bearing frame 401, and the guide assembly includes multiple groups of first guide rollers 405 and second guide rollers 405 arranged along the length direction of the load-bearing frame 401, wherein the first guide rollers 405 are located in the second installation gap B, and the axial direction of the first guide rollers 405 is perpendicular to the axial direction of the second load-bearing rollers 403; the second guide rollers 405 are located in the third installation gap C, and the axial direction of the second guide rollers 405 is perpendicular to the axial direction of the second load-bearing rollers 403.

[0046] By setting the above-mentioned first guide roller 405 and the second guide roller 405, the movable rail 2 is limited in the left and right directions to prevent the movable rail 2 from shaking left and right during rapid movement. At the same time, combined with the above-mentioned first load-bearing roller 402, the second load-bearing roller 403 and the third load-bearing roller 404, the movable rail 2 can be prevented from shaking left and right or up and down during rapid movement, thereby improving the working stability of the two-section slide rail structure of the present invention.

[0047] See also Figure 1-Figure 7 Limit blocks are provided on both sides of the fixed rail 1 or the movable rail 2 to prevent the load-bearing assembly from falling out. The limit blocks are provided in two sets: one set of limit blocks 106 is provided on the movable rail 2, and the other set of limit blocks 204 is provided on the fixed rail 1. Both sets of limit blocks are located on both sides of the first installation gap A. The provision of these two sets of limit blocks prevents the load-bearing assembly from falling out of the movable rail 2 and the fixed rail 1.

[0048] The two-section slide rail structure of the present invention improves the structures of the fixed rail 1 and the movable rail 2, so that the gap between the fixed rail 1 and the movable rail 2 can be supported and limited by rollers, or by balls, thereby achieving support for the fixed rail 1 and the movable rail 2 during the sliding process and limiting the position in the up and down directions and the left and right directions, thereby improving the load-bearing capacity and working stability of the two-section slide rail structure of the present invention.

[0049] The above is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited to the above content. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A two-section slide rail structure, comprising a bracket, a fixed rail arranged on the bracket, and a movable rail arranged on the fixed rail, characterized in that: The rail fixing member includes a first rail fixing member provided horizontally, and a second rail fixing member and a third rail fixing member provided on both sides of the first rail fixing member, wherein the second rail fixing member extends vertically upward and is horizontally bent inward to form a fourth rail fixing member extending horizontally; the third rail fixing member extends vertically upward and is horizontally bent inward to form a fifth rail fixing member extending horizontally; The movable rail includes a first movable rail contact, a second movable rail contact, and a third movable rail contact, wherein the first movable rail contact is horizontally arranged; the second movable rail contact and the third movable rail contact are both L-shaped; the horizontal portion of the second movable rail contact is connected to the first movable rail contact, the vertical portion of the second movable rail contact extends vertically upward and is connected to the horizontal portion of the third movable rail contact; the vertical portion of the third movable rail contact extends vertically downward; A load-bearing wheel set is also provided between the fixed rail and the movable rail.

2. The two-section slide rail structure according to claim 1, characterized in that: A first installation gap is formed between the first rail fixing joint, the second rail fixing joint, the third rail fixing joint and the first movable rail joint; a second installation gap is formed between the second rail fixing joint, the fourth rail fixing joint, the first movable rail joint and the vertical portion of the second movable rail joint; a third installation gap is formed between the horizontal portion and the vertical portion of the second movable rail joint, the third rail fixing joint and the fifth rail fixing joint; a fourth installation gap is formed between the vertical portion of the second movable rail joint, the fifth rail fixing joint and the horizontal portion and the vertical portion of the third movable rail joint.

3. The two-section slide rail structure according to claim 1, characterized in that: The height of the fourth track fixing link is lower than that of the fifth track fixing link.

4. The two-section slide rail structure according to claim 1, characterized in that: The horizontal portion of the second movable rail link is connected to the end portion of the first fixed rail link in an arc shape.

5. The two-section slide rail structure according to claim 2, characterized in that: The load-bearing wheel assembly comprises a load-bearing frame and a first load-bearing component, a second load-bearing component and a third load-bearing component sequentially arranged on the load-bearing frame from bottom to top, wherein: The first load-bearing assembly includes a plurality of groups of first load-bearing rollers arranged in the middle of the load-bearing frame and arranged along the length direction of the load-bearing frame; the plurality of groups of first load-bearing rollers are located in the first installation gap; The second load-bearing assembly includes a plurality of groups of second load-bearing rollers respectively arranged on both sides of the load-bearing frame and arranged along the length direction of the load-bearing frame, wherein the second load-bearing roller on the left side is located in the second installation gap, and the second load-bearing roller on the right side is located in the third installation gap; The third load-bearing assembly includes multiple groups of third load-bearing rollers arranged on the right side of the load-bearing frame and arranged along the length direction of the load-bearing frame. The multiple groups of third load-bearing rollers are located in the fourth installation gap.

6. The two-section slide rail structure according to claim 5, characterized in that: The load-bearing frame is further provided with a guide assembly, which includes a first guide roller and a second guide roller, wherein: The first guide roller is located in the second installation gap, and the axis direction of the first guide roller is perpendicular to the axis direction of the second load-bearing roller; The second guide roller is located in the third installation gap, and the axial direction of the second guide roller is perpendicular to the axial direction of the second load-bearing roller.

7. The two-section slide rail structure according to claim 6, characterized in that: Limit blocks for preventing the load-bearing wheel set from falling out are provided on both sides of the fixed rail or the movable rail.

8. The two-section slide rail structure according to claim 7, characterized in that: There are two groups of limit blocks, one group of which is arranged on the movable rail, and the other group of limit blocks is arranged on the fixed rail; both groups of limit blocks are located on both sides of the first installation gap.

9. The two-section slide rail structure according to claim 8, characterized in that: There are multiple load-bearing wheel groups.

10. The two-section slide rail structure according to claim 1, characterized in that: The brackets are divided into two groups.