Three-section hidden sliding rail with double-gear-rack transmission mechanism and furniture

By using a double-gear rack and rack transmission mechanism in the three-section hidden slide rail of the drawer, the uneven speed problem caused by uneven force of the drawer is solved, and the uniformity of the relative speed between the intermediate slide rail and the moving slide rail is achieved, malfunctions in the sliding connection are avoided, and the smooth running stability and user experience of the drawer are improved.

CN222941996UActive Publication Date: 2025-06-06DONGGUAN GERUISI PRECISION HARDWARE TECH CO LTD
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Patent Information

Application Number
CN202421935015.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-06-06
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

During operation, existing drawers have uneven speed due to uneven force, causing abnormal noise. The sliding connection between the moving slide rail and the intermediate slide rail cannot ensure uniformity of the relative speed, and problems such as overlapping slides, impact, or misaligned middle rail may occur.

Method used

The three-section hidden slide rails of the double-gear rack and rack transmission mechanism are adopted. By setting a rack and rack transmission mechanism between the moving slide rail and the intermediate slide rail and between the intermediate slide rail and the fixed slide rail, the movement of the intermediate slide rail and the moving slide rail is mutually restrained to ensure the uniformity of the relative speed.

Benefits of technology

Through the double gear rack and rack transmission mechanism, the relative speed between the intermediate slide rail and the moving slide rail is ensured to stabilize, avoiding overlapping slides, impacts, or misaligned middle rail leakage, and improving the smooth running of the drawer and user experience.

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Abstract

The utility model discloses a three-section hidden sliding rail with a double-gear rack transmission mechanism and furniture, and the three-section hidden sliding rail comprises a bracket, a fixed sliding rail arranged on the bracket, a middle sliding rail arranged on the fixed sliding rail and a movable sliding rail arranged on the middle sliding rail; gear and rack transmission mechanisms are arranged between the movable sliding rail and the middle sliding rail as well as between the middle sliding rail and the fixed sliding rail; the gear and rack transmission mechanisms are arranged between the movable slide rail and the middle slide rail and between the middle slide rail and the fixed slide rail, so that the movement of the middle slide rail and the movement of the movable slide rail are mutually restrained, and the stability of the relative speed between the middle slide rail and the movable slide rail is guaranteed; therefore, the problems that the movable sliding rail and the middle sliding rail slide in and out in an overlapped mode, collide or misplaced, the middle rail leaks out and the like are solved. In addition, the utility model further discloses furniture adopting the three-section hidden sliding rail with the double-gear-rack transmission mechanism.
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Description

Technical Field

[0001] The utility model belongs to the field of furniture, and in particular relates to a three-section hidden slide rail and furniture with a double gear rack transmission mechanism. Background Art

[0002] Drawers on the market usually use three-section hidden slide rails to enable the drawer to be pulled out or retracted into the furniture body. The main components of the three-section hidden slide rails include a fixed slide rail, a movable slide rail and an intermediate slide rail arranged therebetween. In the process of pulling out or closing the drawer, the force to pull out the drawer or the force to close the drawer is usually uneven, which makes the drawer's speed uneven due to the uneven force during operation, so that the drawer will produce abnormal noise during movement, which gives the user a poor experience. In addition, the movable slide rail and the intermediate slide rail are slidably connected, which cannot ensure the uniformity of the relative speed, which may cause overlapping sliding out and in, collision or leakage of the misaligned intermediate rail. Utility Model Content

[0003] In order to overcome the deficiencies in the prior art, the utility model provides a three-section hidden slide rail with a double gear rack transmission mechanism, wherein the three-section hidden slide rail can ensure that the relative speed of the movable slide rail and the middle slide rail is uniform, thereby avoiding problems such as overlapping sliding out and sliding in, collision or leakage of the misaligned middle rail between the movable slide rail and the middle slide rail.

[0004] The technical solution of the utility model to solve the above technical problems is:

[0005] A three-section hidden slide rail with a double gear rack transmission mechanism comprises a bracket, a fixed slide rail arranged on the bracket, an intermediate slide rail arranged on the fixed slide rail, and a movable slide rail arranged on the intermediate slide rail, wherein a gear rack transmission mechanism is arranged between the movable slide rail and the intermediate slide rail and between the intermediate slide rail and the fixed slide rail.

[0006] Preferably, a first gear rack transmission mechanism is provided between the movable slide rail and the intermediate slide rail, and a second gear rack transmission mechanism is provided between the intermediate slide rail and the fixed slide rail, wherein:

[0007] The first gear rack transmission mechanism comprises a first transmission gear arranged on the movable slide rail and a first transmission rack arranged on the intermediate slide rail, wherein the first transmission rack extends along the length direction of the intermediate slide rail; the first transmission gear is rotatably connected to the movable slide rail and meshes with the first transmission rack;

[0008] The second gear rack transmission mechanism includes a second transmission gear arranged on the fixed slide rail and a second transmission rack arranged on the intermediate slide rail, wherein the second transmission rack extends along the length direction of the intermediate slide rail; the second transmission gear is rotatably connected to the fixed slide rail and meshes with the second transmission rack.

[0009] Preferably, the first transmission rack and the second transmission rack are an integrated structure, that is, a double-sided rack is adopted.

[0010] Preferably, a first gear rack transmission mechanism is provided between the movable slide rail and the intermediate slide rail, and a second gear rack transmission mechanism is provided between the intermediate slide rail and the fixed slide rail, wherein:

[0011] The first gear rack transmission mechanism comprises a first transmission gear arranged on the movable slide rail and a first transmission rack arranged on the intermediate slide rail, wherein the first transmission rack extends along the length direction of the intermediate slide rail; the first transmission gear is rotatably connected to the movable slide rail and meshes with the first transmission rack;

[0012] The second rack and pinion transmission mechanism includes a second transmission rack arranged on the fixed slide rail and a second transmission gear arranged on the intermediate slide rail, wherein the second transmission rack extends along the length direction of the fixed slide rail; the second transmission gear is rotatably connected to the intermediate slide rail and meshes with the second transmission rack.

[0013] Preferably, a first gear rack transmission mechanism is provided between the movable slide rail and the intermediate slide rail, and a second gear rack transmission mechanism is provided between the intermediate slide rail and the fixed slide rail, wherein:

[0014] The first rack and pinion transmission mechanism comprises a first transmission rack provided on the movable slide rail and a first transmission gear provided on the intermediate slide rail, wherein the first transmission rack extends along the length direction of the movable slide rail; the first transmission gear is rotatably connected to the intermediate slide rail and meshes with the first transmission rack;

[0015] The second rack and pinion transmission mechanism includes a second transmission rack arranged on the fixed slide rail and a second transmission gear arranged on the intermediate slide rail, wherein the second transmission rack extends along the length direction of the fixed slide rail; the second transmission gear is rotatably connected to the intermediate slide rail and meshes with the second transmission rack.

[0016] Preferably, a first gear rack transmission mechanism is provided between the movable slide rail and the intermediate slide rail, and a second gear rack transmission mechanism is provided between the intermediate slide rail and the fixed slide rail, wherein:

[0017] The first gear rack transmission mechanism comprises a first transmission rack arranged on the movable slide rail and a transmission gear arranged on the intermediate slide rail, wherein the first transmission rack extends along the length direction of the movable slide rail; the transmission gear is rotatably connected to the movable slide rail, and the upper end of the transmission gear is meshed with the first transmission rack;

[0018] The second gear rack transmission mechanism includes a second transmission rack arranged on the fixed slide rail, and the second transmission rack extends along the length direction of the fixed slide rail; the lower end of the transmission gear is meshed with the second transmission rack.

[0019] Preferably, a movable slide rail load-bearing guide mechanism is provided between the movable slide rail and the intermediate slide rail, and a fixed slide rail load-bearing guide mechanism is provided between the fixed slide rail and the intermediate slide rail, wherein the movable slide rail load-bearing guide mechanism and the fixed slide rail load-bearing guide mechanism are both in several groups.

[0020] Preferably, the movable slide rail load-bearing guide mechanism comprises a movable slide rail load-bearing wheel frame, and a plurality of groups of balls / rollers are arranged on the top, bottom and sides of the movable slide rail load-bearing wheel frame.

[0021] Preferably, the fixed slide rail load-bearing guide mechanism comprises a fixed slide rail load-bearing wheel frame, and a plurality of groups of balls / rollers are arranged on the top, bottom and sides of the fixed slide rail load-bearing wheel frame.

[0022] A furniture drawer structure adopts the three-section hidden slide rail with double gear rack transmission mechanism.

[0023] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0024] The three-section hidden slide rail with a double gear rack transmission mechanism of the utility model is provided with a gear rack transmission mechanism between the movable slide rail and the middle slide rail and between the middle slide rail and the fixed slide rail. The gear rack transmission mechanism is used to realize mutual constraint of the movement of the middle slide rail and the movable slide rail, thereby ensuring that the relative speed between the middle slide rail and the movable slide rail tends to be stable, thereby avoiding problems such as overlapping sliding out and sliding in, collision or leakage of the misaligned middle rail between the movable slide rail and the middle slide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the first specific implementation mode of the three-section hidden slide rail with a double gear rack transmission mechanism of the utility model.

[0026] Figure 2 for Figure 1 Exploded view of.

[0027] Figure 3This is a schematic diagram of the structure when the three sections of hidden slide rails in the first specific implementation are opened.

[0028] Figure 4 It is a schematic diagram of the structure when the three sections of hidden slide rails in the first specific implementation are closed.

[0029] Figure 5 It is a transmission schematic diagram of two sets of gear rack transmission mechanisms in the first specific implementation manner.

[0030] Figure 6 It is a structural schematic diagram of the movable slide rail load-bearing guide mechanism.

[0031] Figure 7 It is a structural schematic diagram of the fixed slide rail load-bearing guide mechanism.

[0032] Figure 8 It is a structural schematic diagram of a second specific implementation mode of the three-section hidden slide rail with a double gear rack transmission mechanism of the utility model.

[0033] Fig. 9 for Figure 8 Exploded view of.

[0034] Fig.10 It is a schematic diagram of the structure when the three sections of hidden slide rails in the second specific implementation are opened.

[0035] Fig.11 It is a schematic diagram of the structure when the three sections of hidden slide rails in the second specific implementation are closed.

[0036] Fig.12 It is a transmission schematic diagram of two sets of gear rack transmission mechanisms in the second specific implementation manner.

[0037] Fig.13 It is an exploded view of a third specific embodiment of the three-section hidden slide rail with a double gear rack transmission mechanism of the utility model.

[0038] Fig.14 It is a structural schematic diagram of the middle slide rail.

[0039] Fig.15 It is a transmission schematic diagram of two sets of gear rack transmission mechanisms in the third specific implementation manner. DETAILED DESCRIPTION

[0040] The present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0041] Example 1

[0042] See also Figure 1-Figure 7The three-section hidden rail with double gear rack transmission mechanism of the utility model comprises a bracket 1, a fixed rail 4 arranged on the bracket 1, an intermediate rail 3 arranged on the fixed rail 4, and a movable rail 2 arranged on the intermediate rail 3; a gear rack transmission mechanism is arranged between the movable rail 2 and the intermediate rail 3, and between the intermediate rail 3 and the fixed rail 4; wherein a first gear rack transmission mechanism is arranged between the movable rail 2 and the intermediate rail 3, and a second gear rack transmission mechanism is arranged between the intermediate rail 3 and the fixed rail 4. By arranging the first gear rack transmission mechanism and the second gear rack transmission mechanism, when the movable rail 2 moves, the intermediate rail 3 is driven to move by the first gear rack transmission mechanism, and the movement speed of the intermediate rail 3 is constrained by the second gear rack transmission mechanism, so that the relative speed between the intermediate rail 3 and the movable rail 2 can be ensured to be stable, so as to avoid problems such as overlapping sliding out and sliding in, collision or misalignment of the middle rail between the movable rail 2 and the intermediate rail 3.

[0043] See also Figure 1-Figure 7 The first gear rack transmission mechanism includes a first transmission gear 6 arranged on the movable slide rail 2 and a first transmission rack arranged on the intermediate slide rail 3, wherein the first transmission rack extends along the length direction of the intermediate slide rail 3; the first transmission gear 6 is rotatably connected to the movable slide rail 2 and meshes with the first transmission rack.

[0044] See also Figure 1-Figure 7 The second gear rack transmission mechanism includes a second transmission gear 7 arranged on the fixed slide rail 4 and a second transmission rack arranged on the intermediate slide rail 3, wherein the second transmission rack extends along the length direction of the intermediate slide rail 3; the second transmission gear 7 is rotatably connected to the fixed slide rail 4 and meshes with the second transmission rack.

[0045] In this embodiment, the first transmission rack and the second transmission rack are an integrated structure, that is, a double-sided rack 5 is adopted, the upper end of the double-sided rack 5 is meshed with the first transmission gear 6, and the lower end is meshed with the second transmission gear 7.

[0046] See also Figure 6-Figure 7A movable slide rail load-bearing guide mechanism 8 is arranged between the movable slide rail 2 and the intermediate slide rail 3, and a fixed slide rail load-bearing guide mechanism 9 is arranged between the fixed slide rail 4 and the intermediate slide rail 3, wherein the movable slide rail load-bearing guide mechanism 8 and the fixed slide rail load-bearing guide mechanism 9 are both several groups; each group of movable slide rail load-bearing guide mechanism 8 includes a movable slide rail load-bearing wheel frame 801, and the top, bottom and side of the movable slide rail load-bearing wheel frame 801 are each provided with several groups of balls / rollers 802; each group of fixed slide rail load-bearing guide mechanism 9 includes a fixed slide rail 4 load-bearing wheel frame, and the top, bottom and side of the fixed slide rail 4 load-bearing wheel frame are each provided with several groups of balls / rollers 902.

[0047] The movable slide rail load-bearing guide mechanism 8 and the fixed slide rail load-bearing guide mechanism 9 in this embodiment can be implemented with reference to the specific structure of the existing three-section hidden slide rails.

[0048] Finally, other structures of the three-section hidden slide rail of the present invention can be implemented with reference to the existing three-section hidden slide rail.

[0049] Example 2

[0050] See also Figure 8-Figure 12 The difference between this embodiment and embodiment 1 is that:

[0051] The first gear rack transmission mechanism comprises a first transmission gear 6 arranged on the movable slide rail 2 and a first transmission rack 5 arranged on the intermediate slide rail 3, wherein the first transmission rack 5 extends along the length direction of the intermediate slide rail 3; the first transmission gear 6 is rotatably connected to the movable slide rail 2 and meshes with the first transmission rack 5;

[0052] The second rack and pinion transmission mechanism includes a second transmission rack 10 arranged on the fixed slide rail 4 and a second transmission gear 7 arranged on the intermediate slide rail 3, wherein the second transmission rack 10 extends along the length direction of the fixed slide rail 4; the second transmission gear 7 is rotatably connected to the intermediate slide rail 3 and meshes with the second transmission rack 10.

[0053] Except for the above structure, the remaining structures are implemented with reference to Example 1.

[0054] Example 3

[0055] See also Figure 13-Figure 15 The difference between this embodiment and embodiment 1 is that:

[0056] The first gear rack transmission mechanism includes a first transmission rack 5 provided on the movable slide rail 2 and a first transmission gear 6 provided on the intermediate slide rail 3, wherein the first transmission rack 5 extends along the length direction of the movable slide rail 2; the first transmission gear 6 is rotatably connected to the intermediate slide rail 3 and meshes with the first transmission rack 5;

[0057] The second rack and pinion transmission mechanism includes a second transmission rack 10 arranged on the fixed slide rail 4 and a second transmission gear 7 arranged on the intermediate slide rail 3, wherein the second transmission rack 10 extends along the length direction of the fixed slide rail 4; the second transmission gear 7 is rotatably connected to the intermediate slide rail 3 and meshes with the second transmission rack 10.

[0058] Except for the above structure, the remaining structures are implemented with reference to Example 1.

[0059] Example 4

[0060] The difference between this embodiment and embodiment 1 is that:

[0061] A first gear rack transmission mechanism is provided between the movable slide rail 2 and the intermediate slide rail 3, and a second gear rack transmission mechanism is provided between the intermediate slide rail 3 and the fixed slide rail 4, wherein:

[0062] The first gear rack transmission mechanism includes a first transmission rack 5 arranged on the movable slide rail 2 and a transmission gear arranged on the intermediate slide rail 3, wherein the first transmission rack 5 extends along the length direction of the movable slide rail 2; the transmission gear is rotatably connected to the movable slide rail 2, and the upper end of the transmission gear is meshed with the first transmission rack 5;

[0063] The second rack and pinion transmission mechanism includes a second transmission rack 10 disposed on the fixed slide rail 4 , and the second transmission rack 10 extends along the length direction of the fixed slide rail 4 ; the lower end of the transmission gear is meshed with the second transmission rack 10 .

[0064] Except for the above structure, the remaining structures are implemented with reference to Example 1.

[0065] Example 5

[0066] The furniture drawer structure of the utility model comprises a furniture body and a drawer arranged in the furniture body, wherein three sections of hidden slide rails are arranged between the drawer and the furniture body, and the three sections of hidden slide rails are implemented with reference to embodiments 1-4.

[0067] The above is a preferred implementation mode of the present invention, but the implementation mode of the present invention is not limited by the above content. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A three-section hidden slide rail with a double gear rack transmission mechanism, characterized in that: It comprises a bracket, a fixed slide rail arranged on the bracket, an intermediate slide rail arranged on the fixed slide rail and a movable slide rail arranged on the intermediate slide rail, wherein a gear rack transmission mechanism is arranged between the movable slide rail and the intermediate slide rail and between the intermediate slide rail and the fixed slide rail.

2. The three-section hidden slide rail with a double gear rack transmission mechanism according to claim 1, characterized in that: A first gear rack transmission mechanism is provided between the movable slide rail and the intermediate slide rail, and a second gear rack transmission mechanism is provided between the intermediate slide rail and the fixed slide rail, wherein: The first gear rack transmission mechanism comprises a first transmission gear arranged on the movable slide rail and a first transmission rack arranged on the intermediate slide rail, wherein the first transmission rack extends along the length direction of the intermediate slide rail; the first transmission gear is rotatably connected to the movable slide rail and meshes with the first transmission rack; The second gear rack transmission mechanism includes a second transmission gear arranged on the fixed slide rail and a second transmission rack arranged on the intermediate slide rail, wherein the second transmission rack extends along the length direction of the intermediate slide rail; the second transmission gear is rotatably connected to the fixed slide rail and meshes with the second transmission rack.

3. The three-section hidden slide rail with a double gear rack transmission mechanism according to claim 2, characterized in that: The first transmission rack and the second transmission rack are an integrated structure, that is, double-sided racks are used.

4. The three-section hidden slide rail with a double gear rack transmission mechanism according to claim 1, characterized in that: A first gear rack transmission mechanism is provided between the movable slide rail and the intermediate slide rail, and a second gear rack transmission mechanism is provided between the intermediate slide rail and the fixed slide rail, wherein: The first gear rack transmission mechanism comprises a first transmission gear arranged on the movable slide rail and a first transmission rack arranged on the intermediate slide rail, wherein the first transmission rack extends along the length direction of the intermediate slide rail; the first transmission gear is rotatably connected to the movable slide rail and meshes with the first transmission rack; The second rack and pinion transmission mechanism includes a second transmission rack arranged on the fixed slide rail and a second transmission gear arranged on the intermediate slide rail, wherein the second transmission rack extends along the length direction of the fixed slide rail; the second transmission gear is rotatably connected to the intermediate slide rail and meshes with the second transmission rack.

5. The three-section hidden slide rail with a double gear rack transmission mechanism according to claim 1, characterized in that: A first gear rack transmission mechanism is provided between the movable slide rail and the intermediate slide rail, and a second gear rack transmission mechanism is provided between the intermediate slide rail and the fixed slide rail, wherein: The first rack and pinion transmission mechanism comprises a first transmission rack provided on the movable slide rail and a first transmission gear provided on the intermediate slide rail, wherein the first transmission rack extends along the length direction of the movable slide rail; the first transmission gear is rotatably connected to the intermediate slide rail and meshes with the first transmission rack; The second rack and pinion transmission mechanism includes a second transmission rack arranged on the fixed slide rail and a second transmission gear arranged on the intermediate slide rail, wherein the second transmission rack extends along the length direction of the fixed slide rail; the second transmission gear is rotatably connected to the intermediate slide rail and meshes with the second transmission rack.

6. The three-section hidden slide rail with a double gear rack transmission mechanism according to claim 1, characterized in that: A first gear rack transmission mechanism is provided between the movable slide rail and the intermediate slide rail, and a second gear rack transmission mechanism is provided between the intermediate slide rail and the fixed slide rail, wherein: The first gear rack transmission mechanism comprises a first transmission rack arranged on the movable slide rail and a transmission gear arranged on the intermediate slide rail, wherein the first transmission rack extends along the length direction of the movable slide rail; the transmission gear is rotatably connected to the movable slide rail, and the upper end of the transmission gear is meshed with the first transmission rack; The second gear rack transmission mechanism includes a second transmission rack arranged on the fixed slide rail, and the second transmission rack extends along the length direction of the fixed slide rail; the lower end of the transmission gear is meshed with the second transmission rack.

7. The three-section hidden slide rail with a double gear rack transmission mechanism according to claim 1, characterized in that: A movable slide rail load-bearing guide mechanism is provided between the movable slide rail and the intermediate slide rail, and a fixed slide rail load-bearing guide mechanism is provided between the fixed slide rail and the intermediate slide rail, wherein the movable slide rail load-bearing guide mechanism and the fixed slide rail load-bearing guide mechanism are both in several groups.

8. The three-section hidden slide rail with a double gear rack transmission mechanism according to claim 6, characterized in that: The movable slide rail load-bearing guide mechanism comprises a movable slide rail load-bearing wheel frame, and a plurality of groups of balls / rollers are arranged on the top, bottom and side of the movable slide rail load-bearing wheel frame.

9. The three-section hidden slide rail with a double gear rack transmission mechanism according to claim 1, characterized in that: The fixed slide rail load-bearing guide mechanism comprises a fixed slide rail load-bearing wheel frame, and a plurality of groups of balls / rollers are arranged on the top, bottom and side of the fixed slide rail load-bearing wheel frame.

10. A piece of furniture, characterized in that: A three-section hidden slide rail with a double gear rack transmission mechanism as described in any one of claims 1 to 9 is adopted.