Vertical manual adjusting seat

By adopting worm gear structure, worm limit sleeve and handwheel design in the vertical manual adjustment seat, the problems of instability and insufficient accuracy of the traditional adjustment seat are solved, and more accurate and safe adjustment operations are achieved, improving user experience and equipment durability.

CN222955116UActive Publication Date: 2025-06-10DONGGUAN YUNFAN PRECISION TECH CO LTD
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Patent Information

Application Number
CN202420057318.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-10
Publication Date
2025-06-10
Estimated Expiration
2034-01-10

AI Technical Summary

Technical Problem

The traditional vertical manual adjustment seat has problems of instability and insufficient accuracy during the adjustment process, lacks an effective safety limit mechanism, which is inconvenient to operate, affecting the user experience.

Method used

A vertical manual adjustment seat is designed, adopting a worm gear and worm structure, combining a worm limit sleeve and worm, and adding handwheel operation. A straight-through press-injection cup is installed at the top of the main frame. The inner wall of the worm gear is equipped with a limit groove and a limit block, and structural stability is enhanced by the first and second fixing screws.

Benefits of technology

It achieves a smoother and more precise adjustment capability, ensures the accuracy and stability of the adjustment process, enhances the stability and safety of the equipment, is easy to operate, durable and easy to maintain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a vertical manual adjusting seat, which relates to the technical field of adjusting seats and comprises a main frame, a worm gear is rotatably connected to the middle of the inside of the main frame, and an adjusting worm is mounted at a position, close to the top end of the worm gear, inside the main frame. According to the utility model, the worm gear is rotatably connected in the middle of the interior of the main frame and is combined with the straight-through forced filling oil cup at the top end, so that more stable and accurate adjusting capability is provided, and the design of the adjusting worm, especially the combination of the worm limiting sleeve and the worm, ensures the accuracy and stability of the adjusting process; a more visual and convenient operation mode is provided for a user by adding a hand wheel, a limiting groove and a limiting block are arranged on the inner wall of an adjusting gear, the stability and safety of the equipment are further enhanced, the improvement is combined with use of a first fixing screw and a second fixing screw, and therefore the whole device is easy and convenient to operate and high in practicability. And the device is more durable and convenient to maintain.
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Description

Technical Field

[0001] The utility model relates to the technical field of adjusting seats, in particular to a vertical manual adjusting seat. Background Art

[0002] A vertical manual adjusting seat is a mechanical device used to adjust the position of a seat or equipment, mainly used in industrial, office or other environments. When making fine adjustments to traditional vertical manual adjusting seats, due to the lack of precision components such as a worm limit sleeve and a worm, users may experience instability and insufficient precision during the adjustment process. Traditional models often lack effective safety limit mechanisms such as limit grooves and limit blocks, which may lead to safety risks during use. Old-fashioned designs usually do not include an intuitive operating handle such as a handwheel, making the adjustment process more laborious and having an adverse impact on the user experience. Therefore, improvements are needed. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a vertical manual adjusting seat.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: A vertical manual adjusting seat includes a main frame. A worm gear is rotatably connected to the middle inside the main frame. An adjusting worm is installed at a position near the top of the worm gear inside the main frame. A worm limit sleeve is sleeved on the surface of the adjusting worm. A worm is fixedly installed at the middle position on the surface of the adjusting worm. A handwheel is fixedly installed at one end of the adjusting worm. A straight-through grease cup is installed at the top of the main frame. First fixing screws are respectively penetrated through the middle positions on both sides of the main frame. A limit groove is formed on the inner wall of the worm gear, and a first limit block is installed at a position on the inner wall of the worm gear near the limit groove.

[0005] Further, fixing holes are formed at the front end of the surface of the worm limit sleeve, and second fixing screws are penetrated through positions on the front end of the main frame near the fixing holes. Accordingly, the worm limit sleeve is sleeved on the adjusting worm to provide stability and precise motion control for the worm, and at the same time prevent over-adjustment.

[0006] Further, the second fixing screws are threadedly connected to the main frame, and the second fixing screws are threadedly connected to the fixing holes. Accordingly, by adding second fixing screws between the worm limit sleeve and the front end of the main frame, the overall structural stability and adjustment precision are enhanced.

[0007] Further, the worm is meshed with the worm gear. Accordingly, the meshing of the worm and the worm gear ensures smooth and accurate rotation, improving the adjustment efficiency and precision.

[0008] Furthermore, the first fixing screw is threadedly connected to the main frame and is slidably connected to the worm gear. Accordingly, the design of the first fixing screw allows for an effective sliding connection between the main frame and the worm gear, providing users with more flexible adjustment options.

[0009] Furthermore, a second limiting block is installed at a position on the inner wall of the worm gear near the bottom end of the worm. Accordingly, by providing the second limiting block, the stability and safety of the adjustment mechanism are enhanced, preventing damage caused by excessive adjustment.

[0010] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0011] In the present utility model, by rotatably connecting a worm gear in the middle of the main frame and combining it with a straight-through grease cup at the top, a more stable and precise adjustment ability is provided. The design of the adjusting worm, especially the combination of the worm limiting sleeve and the worm, ensures the accuracy and stability of the adjustment process. The addition of the handwheel provides users with a more intuitive and convenient operation method. The inner wall of the worm gear is provided with a limiting groove and a limiting block, which further enhances the stability and safety of the device. These improvements, combined with the use of the first fixing screw and the second fixing screw, make the entire device not only easy to operate, but also more durable and convenient to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of a vertical manual adjustment seat proposed by the present utility model;

[0013] Figure 2 is a partial exploded structural diagram of a vertical manual adjustment seat proposed by the present utility model;

[0014] Figure 3 is a side cross-sectional view of a vertical manual adjustment seat proposed by the present utility model;

[0015] Figure 4 is a top cross-sectional view of a vertical manual adjustment seat proposed by the present utility model.

[0016] LEGEND DESCRIPTION:

[0017] 1. Main frame; 2. Straight-through grease cup; 3. Adjusting worm; 4. Handwheel; 5. First fixing screw; 6. Worm gear; 7. First limiting block; 8. Worm limiting sleeve; 9. Fixing hole; 10. Worm; 11. Second fixing screw; 12. Limiting groove; 13. Second limiting block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] To better understand the above objects, features, and advantages of the present utility model, the following further describes the present utility model in conjunction with the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0020] Embodiment 1

[0021] Please refer to Figures 1-4 A technical solution provided by the present utility model is: a vertical manual adjustment seat, including a main frame 1. A worm gear 6 is rotatably connected in the middle inside the main frame 1. An adjustment worm 3 is installed at a position near the top of the worm gear 6 inside the main frame 1. A worm gear limit sleeve 8 is sleeved on the surface of the adjustment worm 3. A worm 10 is fixedly installed at the middle position on the surface of the adjustment worm 3. A handwheel 4 is fixedly installed at one end of the adjustment worm 3. A straight-through grease cup 2 is installed at the top of the main frame 1. First fixing screws 5 are respectively arranged through the middle positions on both sides of the main frame 1. A limit groove 12 is formed in the inner wall of the worm gear 6. A first limit block 7 is installed at a position near the limit groove 12 on the inner wall of the worm gear 6. A fixing hole 9 is formed at the front end of the surface of the worm gear limit sleeve 8. A second fixing screw 11 is arranged through the position near the fixing hole 9 at the front end of the main frame 1. The second fixing screw 11 is threadedly connected with the main frame 1 and is also threadedly connected with the fixing hole 9. The worm 10 meshes with the worm gear 6. The first fixing screw 5 is threadedly connected with the main frame 1 and is slidably connected with the worm gear 6. A second limit block 13 is installed at a position near the bottom end of the worm 10 on the inner wall of the worm gear 6. By rotatably connecting the worm gear 6 in the middle inside the main frame 1 and combining with the straight-through grease cup 2 at the top, a more stable and precise adjustment ability is provided. The design of the adjustment worm 3, especially the combination of the worm gear limit sleeve 8 and the worm 10, ensures the accuracy and stability of the adjustment process. The addition of the handwheel 4 provides a more intuitive and convenient operation method for users. The inner wall of the worm gear 6 is provided with a limit groove 12 and limit blocks, which further enhances the stability and safety of the device. The combination of these improvements with the use of the first fixing screw 5 and the second fixing screw 11 makes the entire device not only easy to operate, but also more durable and convenient to maintain.

[0022] Working principle: The user operates the adjusting worm 3 through the handwheel 4. The rotation of the handwheel 4 drives the adjusting worm 3, which in turn affects the worm 10. The worm 10 meshes with the worm wheel 6. Therefore, the rotation of the worm causes the worm wheel 6 to rotate. This design allows the user to precisely control the position and angle of the adjusting seat. The presence of the worm limit sleeve 8 ensures the stability of the worm during operation. At the same time, the combination of the fixing hole 9 on the limit sleeve and the second fixing screw 11 further improves the stability and precision of the overall structure. The inner wall of the worm wheel 6 is equipped with a second limit block 13, which helps to limit its movement range during adjustment and ensure operation safety. When fine-tuning the position of the adjusting seat is required, the user can make fine adjustments through the first fixing screw 5. The combination of the threaded connection and sliding connection among these first fixing screws 5, second fixing screws 11, the main frame 1, and the worm wheel 6 makes the adjustment more flexible and stable. The straight-through grease cup 2 is located at the top of the main frame 1, facilitating the injection of lubricating oil, ensuring the smooth operation and long-term durability of each moving part.

[0023] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as the technical solution content of the present invention is not departed from, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A vertical manual adjustment seat, comprising a main frame (1), characterized in that: A worm wheel (6) is rotatably connected in the middle of the main frame (1), an adjusting worm (3) is installed in the main frame (1) near the top of the worm wheel (6), a worm limiting sleeve (8) is sleeved on the surface of the adjusting worm (3), a worm (10) is fixedly installed in the middle of the surface of the adjusting worm (3), a hand wheel (4) is fixedly installed at one end of the adjusting worm (3), a straight-through pressure injection cup (2) is installed at the top of the main frame (1), first fixing screws (5) are penetrated in the middle of both sides of the main frame (1), a limiting groove (12) is provided on the inner wall of the worm wheel (6), and a first limiting block (7) is installed on the inner wall of the worm wheel (6) near the limiting groove (12).

2. The vertical manual adjustment seat according to claim 1, characterized in that: A fixing hole (9) is provided at the front end of the surface of the worm limiting sleeve (8), and a second fixing screw (11) is provided through the front end of the main frame (1) at a position close to the fixing hole (9).

3. The vertical manual adjustment seat according to claim 2, characterized in that: The second fixing screw (11) is threadedly connected to the main frame (1), and the second fixing screw (11) is threadedly connected to the fixing hole (9).

4. The vertical manual adjustment seat according to claim 1, characterized in that: The worm (10) is meshed with the worm wheel (6).

5. The vertical manual adjustment seat according to claim 1, characterized in that: The first fixing screw (5) is threadedly connected to the main frame (1), and the first fixing screw (5) is slidably connected to the worm gear.

6. The vertical manual adjustment seat according to claim 1, characterized in that: A second limiting block (13) is installed at a position on the inner wall of the worm wheel (6) close to the bottom end of the worm (10).