Manual tool for mounting annular part
By designing a tooling for manually assembling the shaft and guide bracket, and adopting a spring rotation mechanism and a sliding groove limit design, the problems of low installation efficiency and poor positioning accuracy of ring parts were solved, and efficient and precise synchronous installation of double sealing rings was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DALIAN HAOSENREAD EQUIP MANUFCTURE CO LTD
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-21
AI Technical Summary
Existing ring-shaped component installation fixtures are inefficient, cumbersome to operate, and have poor positioning accuracy, making it impossible to achieve synchronous installation of double sealing rings, which affects assembly quality.
A tooling system including a manual assembly shaft, a guide bracket, and a positioning bracket was designed. A spring rotation mechanism was used to replace the traditional manual lifting mechanism. Combined with a slide groove and shim limit design, it can achieve rapid height switching and high-precision positioning.
Significantly improves assembly efficiency, increasing the efficiency of installing two sealing rings at a time by more than 40%, with a height switching time of ≤2 seconds, a positioning error of <±0.1mm, and simple and convenient operation.
Smart Images

Figure CN224144528U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical assembly technology, specifically a manual tooling for assembling ring-shaped parts. Background Technology
[0002] In the field of mechanical assembly, the installation of ring-shaped parts is a common and important step. However, existing ring-shaped part installation fixtures have many shortcomings: 1. Low efficiency: Traditional installation fixtures are mostly single-station designs. When installing the same type of parts at different heights, repeated operations are required to complete the installation of both parts, resulting in low assembly efficiency; 2. Cumbersome operation: Existing height adjustment mechanisms mostly use threaded knobs or manual lifting followed by pin positioning, which involves complex operating steps and is time-consuming; 3. Poor positioning accuracy: Height switching relies on manual step-by-step adjustment, which is not only time-consuming but also prone to positioning errors, affecting assembly quality; 4. Inability to install synchronously: It is impossible to achieve synchronous installation of double sealing rings, further reducing assembly efficiency. Utility Model Content
[0003] The purpose of this utility model is to provide a manual tooling for installing ring-shaped parts, so as to solve the pain points mentioned in the background art, such as the inability to achieve synchronous installation of double sealing rings, low assembly efficiency, reliance on manual step-by-step adjustment for height switching, poor positioning accuracy and time consumption.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a manual tooling for assembling ring-shaped parts, comprising a vertically arranged manual assembly shaft, a guide bracket coaxial with the manual assembly shaft, and a positioning bracket on the outer side of the guide bracket; the manual assembly shaft includes a vertically arranged rotating shaft, with a handle at its top and a limit stop at its bottom, a fixing stop fixedly arranged at the upper middle part of the handle, and a guide wheel on the lower side wall of the rotating shaft; the guide bracket includes an upper limit plate arranged in a triangle, sleeved between the handle and the fixing stop on the outer side of the rotating shaft, with a vertical connecting rod on the bottom surface of each of the three corners of the upper limit plate, and the bottom ends of the three connecting rods sharing a common support for the upper limit plate. The mounting shaft has a positioning plate on its outer side. A spring sleeve with the same inner diameter as the inner diameter is fitted onto the outer side of the rotating shaft on the bottom surface of the positioning plate. A lower spring limiting plate extending radially inward is provided at the bottom end of the spring sleeve. A spring fitted onto the outer side of the rotating shaft is provided on the top surface of the lower spring limiting plate. A mounting shaft fitted onto the outer side of the rotating shaft is provided on the bottom surface of the lower spring limiting plate. An L-shaped guide hole for accommodating the guide wheel is provided on the side wall of the mounting shaft. The positioning bracket includes a sealing ring guide top plate disposed between the thrust bearing and the fixed baffle. A cylindrical sealing ring guide sleeve is fixedly connected to the edge of the sealing ring guide top plate. A cup-shaped inverted positioning cover is provided at the bottom end of the sealing ring guide sleeve.
[0005] Preferably, a thrust bearing is provided between the spring and the fixed stop plate.
[0006] Preferably, the sealing ring guide plate has an arc-shaped through hole at the position corresponding to the three connecting rods, so that the three connecting rods pass through it.
[0007] Compared with the prior art, the beneficial effects of this utility model are:
[0008] 1. Significantly improves assembly efficiency: By adjusting the height, the tooling can be assembled in one go to install two sealing rings, which is more than 40% more efficient than a single station.
[0009] 2. Rapid height switching: The spring rotation mechanism replaces the traditional manual lifting and pin insertion, and the single height switching time is ≤2 seconds, which greatly improves the assembly speed;
[0010] 3. High-precision positioning: The sliding groove and shim limiting design ensures that the height positioning error is <±0.1mm, effectively guaranteeing the assembly accuracy;
[0011] 4. Simple structure and easy operation: The overall structure is reasonably designed and easy to operate. No complicated training is required to use it proficiently, which further improves work efficiency.
[0012] The tooling provided by this utility model offers an efficient, precise, and convenient solution for the installation of ring-shaped parts, and is expected to be widely used in the field of mechanical assembly, thus promoting the development of related industries. Attached Figure Description
[0013] Figure 1 This is an isometric drawing of the present invention;
[0014] Figure 2 for Figure 1 Main view;
[0015] Figure 3 for Figure 2 Schematic diagram of the default positioning cover;
[0016] Figure 4 for Figure 3 Sectional view of AA;
[0017] Figure 5 It is a bottom view;
[0018] Figure 6 for Figure 5 Sectional view of BB;
[0019] Figure 7 This is a top view;
[0020] In the diagram: Manual assembly shaft-1, rotating shaft-11, handle-12, limit stop-13, fixed stop-14, guide wheel-15, guide bracket-2, upper limit plate-21, connecting rod-22, mounting shaft upper positioning plate-23, spring sleeve-24, spring lower limit plate-25, spring-26, thrust bearing-27, mounting shaft-28, guide hole-29, positioning bracket-3, sealing ring guide top plate-31, sealing ring guide sleeve-32, positioning cover-33. Detailed Implementation
[0021] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
[0022] Please refer to Figure 1-7 , Figure 1 This is an isometric drawing of the present invention; Figure 2 for Figure 1 Main view; Figure 3 for Figure 2 Schematic diagram of the default positioning cover; Figure 4 for Figure 3 Sectional view of AA; Figure 5 It is a bottom view; Figure 6 for Figure 5 Sectional view of BB; Figure 7 This is a top view.
[0023] This utility model provides a manual tooling for installing ring-shaped parts, including a vertically arranged manual assembly shaft 1, a guide bracket 2 coaxial with the manual assembly shaft 1, and a positioning bracket 3 on the outside of the guide bracket.
[0024] The manual assembly shaft 1 includes a vertically arranged rotating shaft 11. The top end of the rotating shaft 11 is provided with a handle 12 and the bottom end is provided with a limit stop plate 13. A fixing stop plate 14 is fixedly provided at the upper middle part of the handle 12. A guide wheel 15 is provided on the side wall of the lower part of the rotating shaft 11.
[0025] The guide bracket 2 includes an upper limit plate 21 arranged in a triangle and sleeved on the outside of the rotating shaft 11 between the handle 12 and the fixed baffle 14. A vertical connecting rod 22 is respectively provided on the bottom surface of the three corners of the upper limit plate 21. The bottom ends of the three connecting rods 22 are provided with a mounting shaft positioning plate 23 sleeved on the outside of the rotating shaft 11. A spring sleeve 24 with the same inner diameter as the mounting shaft positioning plate 23 is provided on the bottom surface of the mounting shaft positioning plate 23 and sleeved on the outside of the rotating shaft 11. A lower spring limit plate 25 extending radially inward is provided at the bottom end of the spring sleeve 24, and a spring 26 sleeved on the outside of the rotating shaft 11 is provided on the top surface of the lower spring limit plate 25. A thrust bearing 27 is provided between the spring 26 and the fixed baffle 14. A mounting shaft 28 sleeved on the outside of the rotating shaft 11 is provided on the bottom surface of the lower spring limit plate 25. An L-shaped guide hole 29 for accommodating the guide wheel 15 is provided on the side wall of the mounting shaft 28.
[0026] The positioning bracket 3 includes a sealing ring guide plate 31 disposed between the thrust bearing 27 and the fixed baffle 14. The sealing ring guide plate 31 has an arc-shaped through hole at the position corresponding to the three connecting rods 22, allowing the three connecting rods 22 to pass through. A cylindrical sealing ring guide sleeve 32 is fixedly connected to the edge of the sealing ring guide plate 31. The bottom end of the sealing ring guide sleeve 32 is provided with a positioning cover 33 that is cup-shaped and inverted.
[0027] In use, first assemble the fixture into the appropriate position; then install the first bottom sealing ring; then manually reposition it; finally install the second upper sealing ring; after assembling the lower sealing ring, hold the rotating sealing ring guide sleeve and rotate it gently. At this time, the guide wheel leaves the limit slide, and the spring pushes the sealing ring guide upward until it is stopped by the limit plate, completing the repositioning; the reverse is also true. This structure is simple to operate and the position is accurate.
[0028] The use of this utility model can significantly improve assembly efficiency: by adjusting the height, the tooling can complete the installation of two sealing rings in one assembly, which is more than 40% more efficient than single-station assembly; rapid height switching: by using a spring rotation mechanism to replace the traditional manual lifting and pin insertion, the height switching time is ≤2 seconds, which greatly improves the assembly speed; high-precision positioning: the sliding groove and shim limit design ensures that the height positioning error is <±0.1mm, which effectively guarantees the assembly accuracy; simple structure and convenient operation: the overall structure is reasonably designed and easy to operate, requiring no complicated training to use proficiently, further improving work efficiency; the tooling provided by this utility model provides an efficient, accurate and convenient solution for the installation of ring parts, and is expected to be widely used in the field of mechanical assembly, promoting the development of related industries.
[0029] Although embodiments of the present invention have been shown and described, it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, it will be understood by those skilled in the art that all other embodiments obtained by making various changes, modifications, substitutions and alterations to these embodiments without departing from the principles and spirit of the present invention and without creative effort are within the scope of protection of the present invention.
Claims
1. A hand tool for installing an annular member, characterized by: The assembly includes a vertically arranged manual assembly shaft (1), with a guide bracket (2) coaxial with it on the outside of the manual assembly shaft (1), and a positioning bracket (3) on the outside of the guide bracket; the manual assembly shaft (1) includes a vertically arranged rotating shaft (11), with a handle (12) at its top and a limit stop (13) at its bottom, and a fixing stop (14) fixedly arranged at the upper middle part of the handle (12), and a guide wheel (15) arranged on the side wall of the lower part of the rotating shaft (11); the guide bracket (2) includes an upper limit plate (21) arranged in a triangle between the handle (12) and the fixing stop (14) and sleeved on the outside of the rotating shaft (11), with a vertical connecting rod (22) arranged on the bottom surface of each of the three corners of the upper limit plate (21), and a positioning plate (23) on the mounting shaft sleeved on the outside of the rotating shaft (11) at the bottom end of the three connecting rods (22), and the mounting shaft A spring sleeve (24) with the same inner diameter as the upper positioning plate (23) and sleeved on the outside of the rotating shaft (11) is provided on the bottom surface of the upper positioning plate (23). A lower spring limiting plate (25) extending radially inward is provided at the bottom end of the spring sleeve (24). A spring (26) sleeved on the outside of the rotating shaft (11) is provided on the top surface of the lower spring limiting plate (25). A mounting shaft sleeved on the outside of the rotating shaft (11) is provided on the bottom surface of the lower spring limiting plate (25). 28), the side wall of the mounting shaft (28) is provided with an L-shaped guide hole (29) that can accommodate the guide wheel (15); the positioning bracket (3) includes a sealing ring guide top plate (31) disposed between the thrust bearing (27) and the fixed baffle (14), a cylindrical sealing ring guide sleeve (32) is fixedly connected to the edge of the sealing ring guide top plate (31), and a positioning cover (33) in the shape of a bowl is provided at the bottom end of the sealing ring guide sleeve (32).
2. The manual tooling for ring installation of claim 1, wherein: A thrust bearing (27) is provided between the spring (26) and the fixed baffle (14).
3. The manual tooling for ring installation of claim 2, wherein: The sealing ring guide plate (31) has an arc-shaped through hole at the position corresponding to the three connecting rods (22) so that the three connecting rods (22) can pass through it.