Adjustment mechanism for a slide rail
By combining the Archimedes spiral and rotating teeth, the problem of inaccurate adjustment of slide rail components is solved, achieving high-precision and stable sliding motion to adapt to different adjustment needs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 陞達實業股份有限公司
- Filing Date
- 2025-04-10
- Publication Date
- 2026-06-23
AI Technical Summary
The existing slide rail components are not precisely adjusted and are easily affected by vibration, resulting in errors and instability.
It adopts a combination structure of Archimedes spiral and rotating teeth, and drives the moving parts to move through a rotating disk. Combined with a buffer part and a snap-fit design, it achieves precise adjustment and stability.
It achieves high-precision slide rail adjustment, reduces vibration and error, improves the convenience and stability of adjustment, and adapts to different needs.
Smart Images
Figure CN224387044U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an adjustment mechanism, and more particularly to an adjustment mechanism for a slide rail. Background Technology
[0002] A slide rail is a mechanical transmission element used to achieve linear sliding motion. It is usually composed of an inner rail and an outer rail and can provide smooth movement.
[0003] The inventor of this case previously filed a Taiwan Patent Application No. M664964, entitled "Fixing Device for Slide Rails," applicable to a drawer. It includes: a fixed rail fixed to the drawer; a sliding rail slidably disposed on the fixed rail, with multiple actuating elements on one side of the sliding rail; a cover disposed on the fixed rail, the cover having multiple channels and multiple slots; multiple sliders respectively disposed in the multiple channels of the cover, the sliders including a first slider and a second slider, the first slider and the second slider each having an extension portion, the first slider having a release claw, and the second slider having a rotating element; multiple elastic elements, including a first elastic element and a second elastic element, the first elastic element being connected to the cover and the second slider respectively, the second elastic element being connected to the first slider and the second slider respectively; a buffer element disposed in the channels of the cover, the buffer element being connected to the first slider and the second slider respectively; and a spring piece disposed on the sliding rail and adjacent to the drawer.
[0004] However, there is still room for improvement in component adjustments in Case No. M664964.
[0005] Therefore, how to improve upon the aforementioned deficiencies is the technical challenge that the creators of this case sought to overcome. Utility Model Content
[0006] In view of the prior art, the present invention aims to solve and improve the problems and deficiencies existing in the prior art.
[0007] To achieve the above objectives, this utility model provides an adjustment mechanism for a slide rail, comprising: a slide rail including an outer rail and an inner rail, the outer rail being slidably disposed on the inner rail, and a rotating member disposed on one side of the outer rail; and an adjustment mechanism including a fixed member, a movable member, and a rotating disk. The fixed member is fixed to the outer rail and has multiple teeth. The rotating disk has an Archimedean spiral. The movable member has multiple rotating teeth, a rack, and a pinion. The teeth of the fixed member contact the rack of the movable member, and the multiple rotating teeth of the movable member contact the Archimedean spiral of the rotating disk. By rotating the rotating disk, the multiple rotating teeth drive the movable member to move relative to the fixed member. During the movement of the movable member, the rack of the movable member moves relative to the teeth of the fixed member.
[0008] The movable part is provided with a buffer section, and the buffer section is provided with the push pin.
[0009] The fastener is welded to the outer rail.
[0010] The buffer section is funnel-shaped.
[0011] The movable part has at least one buckle.
[0012] The beneficial effects of this invention are as follows: Through the structural design of the Archimedean spiral and rotating teeth, highly precise adjustments can be achieved. The rotation of the rotating disk effectively drives the moving part relative to the fixed part, making the adjustment process more accurate and achieving high-precision control. Furthermore, due to the precise fit between the rack and the teeth, the movement range of the moving part can be adjusted as needed and precisely controlled within a wide range, adapting to different requirements and exhibiting excellent adjustability. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the slide rail in this embodiment.
[0014] Figure 2 This is a schematic diagram of the adjustment mechanism in this embodiment.
[0015] Figure 3 This is an exploded view of the adjustment mechanism in this embodiment.
[0016] Figure 4 This is a cross-sectional view of the adjustment mechanism in this embodiment.
[0017] Figure 5 This is a schematic diagram of the adjustment mechanism and slide rail in this embodiment.
[0018] Figure 6 This is a schematic diagram of the operation in this embodiment.
[0019] Explanation of reference numerals in the attached figures
[0020] 1: Slide rail; 11: Outer rail;
[0021] 111: Rotating component; 12: Inner rail;
[0022] 2: Adjustment mechanism; 21: Fixing component;
[0023] 211: Toothed part; 22: Moving part;
[0024] 221: Rotary gear; 222: Rack;
[0025] 223: Pulley; 224: Buffer section;
[0026] 225: Buckle; 23: Rotating disc;
[0027] 231: Archimedes' spiral; A: Direction of rotation;
[0028] B: Direction of movement. Detailed Implementation
[0029] To facilitate a concise understanding of the other features, advantages, and effects of this utility model, the following detailed description, in conjunction with the accompanying drawings, is provided:
[0030] Please see Figure 1 , Figure 2 and Figure 3 As shown, this utility model provides an adjustment mechanism for a slide rail, which includes:
[0031] A slide rail 1 includes an outer rail 11 and an inner rail 12. The outer rail 11 is slidably mounted on the inner rail 12, and a rotating member 111 is provided on one side of the outer rail 11. The outer rail 11 (also called a sliding rail) can be U-shaped, and the inner rail 12 (also called a fixed rail) can be L-shaped, so that the outer rail 11 can slide along the inner rail 12 and maintain stable operation.
[0032] An adjustment mechanism 2 includes a fixed member 21, a movable member 22, and a rotating disk 23. The fixed member 21 is fixed to the outer rail 11 and has multiple teeth 211 and the rotating disk 23. The rotating disk 23 has an Archimedean spiral 231. The movable member 22 has multiple rotating teeth 221, a rack 222, and a fulcrum 223. The teeth 211 of the fixed member 21 contact the rack 222 of the movable member 22, and the multiple rotating teeth 221 of the movable member 22 contact the Archimedean spiral 231 of the rotating disk 23. By rotating the rotating disk 23, the multiple rotating teeth 221 drive the movable member 22 to move relative to the fixed member 21. During the movement of the movable member 22, the rack 222 of the movable member 22 moves relative to the teeth 211 of the fixed member 21. The rack 222 is a mechanical element with linearly arranged teeth, used to cooperate with the toothed part 211 to realize the transmission of linear motion.
[0033] The fixed component 21 can be welded to the outer rail 11. The movable component 22 can be provided with at least one latch 225. The latch 225 is used to fasten and fix the movable component 22 to the fixed component 21, providing additional stability and safety. When the movable component 22 moves, the latch 225 can engage with the corresponding structure of the fixed component 21, ensuring that the movable component 22 will not loosen during operation due to external force or vibration, thus improving the reliability of the mechanism. The latch 225 can be designed to be elastically fastened, allowing the user to easily unlock it when adjustment is needed, and automatically lock it after positioning, improving the convenience of adjustment. The latch 225 can also prevent excessive movement, that is, setting the latch 225 at extreme positions (the foremost or rearmost end) can effectively limit the range of movement of the movable component 22, prevent it from exceeding the design stroke, and protect the mechanism from damage.
[0034] Please see Figure 2 and Figure 3 As shown, the Archimedean spiral 231 of the rotating disk 23 is a special planar curve. The characteristic of this Archimedean spiral 231 is that as the rotation angle increases, the radial distance increases at equal intervals, causing the movement of the Archimedean spiral 231 to exhibit a gradually expanding spiral shape, which is beneficial for converting rotational activity into linear motion. Please refer to... Figure 5 and Figure 6 As shown, when the rotating disk 23 rotates, causing the Archimedean spiral 231 to rotate counterclockwise (direction A), the Archimedean spiral 231 continuously expands along its spiral shape, generating a gradually inward propulsive force. The multiple rotating teeth 221 come into contact with the Archimedean spiral 231, and the rotational force is transmitted to them. As the Archimedean spiral 231 rotates, the multiple rotating teeth 221 are pushed, moving along the rotation direction A of the Archimedean spiral 231. The movable member 22 moves backward (direction B), and the shift post 223 moves away from the rotating member 111. Conversely, if the Archimedean spiral 231 rotates clockwise, the movable member 22 moves forward, and the shift post 223 approaches the rotating member 111. Meanwhile, through the rotation of the rotating disk 23, the rotating tooth 221 drives the movable part 22 to move relative to the fixed part 21, and causes the rack 222 of the movable part 22 to move relative to the tooth 211 of the fixed part 21, thereby achieving precise linear adjustment to provide enhanced stability and prevent the movable part 22 from moving too fast or causing displacement error.
[0035] Please see Figure 2 As shown, the movable part 22 is provided with a buffer part 224, and the buffer part 224 is provided with the push pin 223. The buffer part 224 is funnel-shaped.
[0036] The buffer 224 is used to absorb impacts, reduce vibrations, and guide the movement of the shift post 223, ensuring smoother operation of the moving part 22. When the moving part 22 moves, the shift post 223 may be subjected to instantaneous thrust or rebound force. The buffer 224 can absorb part of the impact, reduce direct collisions between parts, and extend the service life of the mechanism. The buffer 224 ensures that the shift post 223 moves along the designed trajectory, preventing the accuracy of the overall mechanism from being affected by shaking or displacement. Through the design of this buffer, vibration and friction noise during operation can be effectively reduced, improving the quietness of the equipment.
[0037] The buffer section 224 adopts a funnel-shaped structure, which has the following advantages: The funnel-shaped design allows for even force distribution, avoiding concentrated stress that could lead to excessive wear in a particular area, thereby improving the durability of the mechanism. The funnel-shaped structure also allows the impact force to be gradually reduced, rather than being absorbed entirely instantly, further improving the buffering effect and preventing the paddle 223 from being damaged due to excessive force.
[0038] Therefore, this invention, through the structural design of the Archimedean spiral 231 and the rotating gear 221, can achieve very precise adjustments. The rotation of the rotating disk 23 can effectively drive the moving part 22 to move relative to the fixed part 21, making the adjustment process more accurate and achieving high-precision control. In addition, due to the precise fit between the rack 222 and the teeth 211, the movement range of the moving part can be adjusted as needed and can be precisely controlled within a large range, adapting to different requirements and exhibiting good adjustability. Specific advantages are as follows:
[0039] I. Precision adjustment mechanism: The moving position of the moving part 22 can be finely adjusted by the action of the Archimedes spiral 231 and the rack 222.
[0040] II. Improved stability: The combination of the rack 222 and the tooth 211 can reduce vibration and error and improve the smoothness of sliding.
[0041] 3. Convenient adjustment: Using the rotary dial 23 for adjustment is more convenient and consistent than traditional manual adjustment mechanisms.
[0042] The above discussion is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. Therefore, any equivalent changes in shape, structure or combination made without departing from the spirit and scope of the present utility model should be covered within the scope of the patent application of the present utility model.
Claims
1. An adjustment mechanism for a slide rail, characterized in that, include: A slide rail, comprising an outer rail and an inner rail, the outer rail being slidably mounted on the inner rail, and a rotating member being provided on one side of the outer rail; and An adjustment mechanism includes a fixed member, a movable member, and a rotating disk. The fixed member is fixed to the outer rail and has multiple teeth. The rotating disk has an Archimedean spiral. The movable member has multiple rotating teeth, a rack, and a fulcrum. The teeth of the fixed member contact the rack of the movable member, and the multiple rotating teeth of the movable member contact the Archimedean spiral of the rotating disk. By rotating the rotating disk, the multiple rotating teeth drive the movable member to move relative to the fixed member. During the movement of the movable member, the rack of the movable member moves relative to the teeth of the fixed member.
2. The adjustment mechanism for the slide rail as described in claim 1, characterized in that, The movable part is provided with a buffer section, and the buffer section is provided with the push pin.
3. The adjustment mechanism for the slide rail as described in claim 1, characterized in that, The fastener is welded to the outer rail.
4. The adjustment mechanism for the slide rail as described in claim 2, characterized in that, The buffer section is funnel-shaped.
5. The adjustment mechanism for the slide rail as described in claim 1, characterized in that, The movable part has at least one buckle.