Novel spherical hinge type universal coupling

By introducing a movement and restraint mechanism into the ball joint universal coupling, the problems of inconvenient disassembly and torque adjustment are solved, achieving convenient disassembly and torque adjustment.

CN223854698UActive Publication Date: 2026-01-30WUXI TITI TECH CO LTD
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Patent Information

Application Number
CN202520831655.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-01-30
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

Existing ball joint universal couplings are inconvenient to disassemble and cannot effectively adjust the torque of the ball inside the shell.

Method used

A novel ball-joint universal coupling, comprising a moving mechanism and a limiting mechanism, was designed. It achieves convenient disassembly through the cooperation of a vertical rectangular limiting plate and a vertical mounting tube, and adjusts the torque by the contact between the abutment block and the ball.

Benefits of technology

It improves disassembly efficiency and allows for easy adjustment of the torque of the ball inside the shell, enhancing ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel spherical hinge type universal coupling, which belongs to the technical field of spherical hinge type universal couplings and comprises a spherical shell, a sphere is movably connected in the spherical shell, a bottom connecting pipe is fixed at the bottom of the spherical shell, and a top connecting pipe is arranged at the top of the spherical shell. A vertical mounting pipe is arranged at the bottom of the top connecting pipe and located on the top of the ball, a plurality of slidable vertical rectangular limiting plates are arranged on the outer side of the bottom of the vertical mounting pipe, and a moving mechanism used for moving the vertical rectangular limiting plates is arranged in the vertical mounting pipe. And through the moving mechanism, the multiple vertical rectangular limiting plates can move in the vertical mounting pipe, so that the vertical rectangular limiting plates can move into the ball, the vertical mounting pipe can be mounted in the ball, and the dismounting efficiency is higher.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ball hinge type universal coupling, specifically relates to a novel ball hinge type universal coupling. BACKGROUND

[0002] The coupling is used to connect two shafts in different mechanisms and make them rotate together to transmit torque. The ball hinge type universal coupling is a commonly used coupling, which mainly comprises a sleeve-mounted outer ring and an inner ring. The inner ring and the outer ring are in spherical surface contact. A rotary sliding key is arranged between the inner ring and the outer ring. A key groove is formed on the inner surface of the outer ring and connected with the outer end of the rotary sliding key. A circular hole is formed on the outer surface of the inner ring and connected with the inner end of the rotary sliding key. The outer ring and the inner ring transmit torque through the rotary sliding key.

[0003] In the use of the above technology, it is found that the existing technology has the following technical problems: the connection between the ball and the connecting rod is not convenient, which makes disassembly inconvenient and affects subsequent use, and the torque of the ball in the ball shell cannot be well adjusted. Therefore, we design a novel ball hinge type universal coupling to provide another technical solution for the above technical problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a novel ball hinge type universal coupling to solve the problems in the use of the existing technology in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel ball hinge type universal coupling, comprising a ball shell, a ball body movably connected inside the ball shell, a bottom connecting pipe fixed at the bottom of the ball shell, a top connecting pipe arranged at the top of the ball shell, a vertical installation pipe arranged at the bottom of the top connecting pipe and on the top of the ball body, a plurality of vertically movable rectangular limiting plates arranged outside the bottom of the vertical installation pipe, a moving mechanism arranged inside the vertical installation pipe for moving the vertically movable rectangular limiting plates, and the inside of the ball body arranged outside the bottom of the vertical installation pipe.

[0006] The bottom end of the ball shell is provided with a limiting mechanism for limiting the rotation of the ball body.

[0007] Preferably, the limiting mechanism comprises a first inner hexagonal rotating piece, a first inner hexagonal rotating piece rotatably connected to the bottom end inside the ball shell, a first vertical threaded rod fixed to the top of the first inner hexagonal rotating piece, a vertically movable lifting block threadedly connected to the outer side of the first vertical threaded rod, a resisting block fixed to the top of the vertically movable lifting block, and a bottom rubber pad fixed to the top of the resisting block.

[0008] Preferably, the outer side of the vertical lifting block is fixed with a plurality of vertical sliding blocks, the interior of the spherical shell is provided with vertical sliding grooves matched with the vertical sliding blocks, and the spherical shell and the vertical lifting block are connected through the cooperation of the vertical sliding blocks and the vertical sliding grooves.

[0009] Preferably, the moving mechanism comprises a second inner hexagonal rotating piece, the interior of the top connecting pipe is rotationally connected with the second inner hexagonal rotating piece through a bearing, the bottom of the second inner hexagonal rotating piece is fixed with a vertical rotating house, and the vertical rotating house penetrates through the interior of the vertical mounting pipe and is rotationally connected with the vertical mounting pipe through a bearing.

[0010] The bottom of the vertical rotating house is fixed with a second vertical threaded rod, the outer side of the second vertical threaded rod is threadedly connected with a circular lifting plate, the outer side of the bottom of the circular lifting plate is rotationally connected with a plurality of oblique rotating columns, the bottom of the oblique rotating column is rotationally connected with a horizontal moving pipe, and the horizontal moving pipe is fixedly connected with the vertical rectangular limiting plate at one end close to the vertical rectangular limiting plate.

[0011] Preferably, the interior of the horizontal moving pipe is slidably connected with a horizontal light rod, and one end of the horizontal light rod away from the vertical rectangular limiting plate is fixedly connected with the vertical mounting pipe.

[0012] Preferably, the interior of the spherical body is provided with a vertical through groove matched with the vertical mounting pipe.

[0013] The interior of the spherical body is further provided with a rectangular limiting groove matched with the vertical rectangular limiting plate in a clearance fit.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] (1) The moving mechanism is used for enabling the plurality of vertical rectangular limiting plates to move in the interior of the vertical mounting pipe, enabling the vertical rectangular limiting plate to move to the interior of the spherical body, and enabling the vertical mounting pipe to be mounted in the interior of the spherical body, so that the dismounting efficiency is higher.

[0016] (2) The limiting mechanism is used for enabling the abutting block to move towards the spherical body, and enabling the torque of the spherical body in the spherical shell to be adjusted through the adhesion of the bottom rubber pad and the spherical body, so that the adjustment is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the utility model as a whole.

[0018] Figure 2 It is a structure sectional view of the interior of the spherical shell of the utility model.

[0019] Figure 3 It is a structure schematic view of the abutting block and the vertical lifting block of the utility model.

[0020] Figure 4 It is the structure section view of the interior of the vertical lifting block of the utility model;

[0021] Figure 5 It is the structure section view of the interior of the sphere of the utility model;

[0022] Figure 6 It is the structure section view of the interior of the vertical installation pipe of the utility model;

[0023] Figure 7 It is the structure schematic view of the horizontal moving pipe and the horizontal light pole of the utility model.

[0024] In the figure: 1, spherical shell; 2, bottom connecting pipe; 3, top connecting pipe; 4, sphere; 5, stop block; 6, vertical lifting block; 7, first vertical threaded rod; 8, first internal hexagonal rotating piece; 9, bottom rubber pad; 10, second internal hexagonal rotating piece; 11, vertical installation pipe; 12, vertical rotating house; 13, second vertical threaded rod; 14, circular lifting plate; 15, oblique rotating column; 16, vertical rectangular limiting plate; 17, horizontal moving pipe; 18, horizontal light pole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Referring to Figures 1-7 A novel spherical hinge type universal coupling, including spherical shell 1, the interior of spherical shell 1 is movably connected with sphere 4, the bottom of spherical shell 1 is fixed with bottom connecting pipe 2, the top of spherical shell 1 is provided with top connecting pipe 3, the bottom of top connecting pipe 3 and the top of sphere 4 are provided with vertical installation pipe 11, the outside of the bottom of vertical installation pipe 11 is provided with a plurality of slidable vertical rectangular limiting plates 16, the interior of vertical installation pipe 11 is provided with moving mechanism for the movement of vertical rectangular limiting plate 16, the outside of the bottom of vertical installation pipe 11 is arranged in the interior of sphere 4.

[0027] The bottom end of the bottom of spherical shell 1 is provided with limiting mechanism for limiting the rotation of sphere 4.

[0028] Further, the limiting mechanism comprises a first inner hexagonal rotating piece 8, the bottom end of the inside of the spherical shell 1 is rotationally connected with the first inner hexagonal rotating piece 8, the top of the first inner hexagonal rotating piece 8 is fixed with a first vertical threaded rod 7, the outer side of the first vertical threaded rod 7 is threadedly connected with a vertical lifting block 6, the top of the vertical lifting block 6 is fixed with a resisting block 5, and the top of the resisting block 5 is fixed with a bottom rubber pad 9.

[0029] Through the technical scheme, the rotation of the first inner hexagonal rotating piece 8 enables the first vertical threaded rod 7 to rotate, the rotation of the first vertical threaded rod 7 enables the vertical lifting block 6 to vertically lift in the inside of the spherical shell 1, the height of the resisting block 5 can be controlled, and thus the torque of the spherical body 4 can be controlled.

[0030] Further, the outer side of the vertical lifting block 6 is fixed with a plurality of vertical sliding blocks, the inside of the spherical shell 1 is provided with vertical sliding grooves matched with the vertical sliding blocks, and the spherical shell 1 and the vertical lifting block 6 are slidingly connected through the cooperation of the vertical sliding blocks and the vertical sliding grooves.

[0031] Through the technical scheme, the setting of the vertical sliding blocks enables the vertical lifting block 6 to vertically lift in the inside of the spherical shell 1.

[0032] Further, the moving mechanism comprises a second inner hexagonal rotating piece 10, the inside of the top connecting pipe 3 is rotationally connected with the second inner hexagonal rotating piece 10, the bottom of the second inner hexagonal rotating piece 10 is fixed with a vertical rotating house 12, and the vertical rotating house 12 penetrates the inside of a vertical mounting pipe 11 and is rotationally connected with the vertical mounting pipe 11 through a bearing.

[0033] The bottom of the vertical rotating house 12 is fixed with a second vertical threaded rod 13, the outer side of the second vertical threaded rod 13 is threadedly connected with a circular lifting plate 14, the outer side of the bottom of the circular lifting plate 14 is rotationally connected with a plurality of oblique rotating columns 15, the bottom of the oblique rotating column 15 is rotationally connected with a horizontal moving pipe 17, and one end of the horizontal moving pipe 17 close to a vertical rectangular limiting plate 16 is fixedly connected with the vertical rectangular limiting plate 16.

[0034] Through the technical scheme, the rotation of the second inner hexagonal rotating piece 10 enables the vertical rotating house 12 to rotate in the inside of the vertical mounting pipe 11, the rotation of the vertical rotating house 12 enables the second vertical threaded rod 13 to rotate, the rotation of the second vertical threaded rod 13 enables the circular lifting plate 14 to lift in the inside of the vertical mounting pipe 11, the lifting of the circular lifting plate 14 enables the horizontal moving pipe 17 to slide through the oblique rotating column 15, and thus the vertical rectangular limiting plate 16 can move out of the inside of the vertical mounting pipe 11.

[0035] Further, the inside of the transverse moving pipe 17 is slidably connected with a transverse light pole 18, and the end of the transverse light pole 18 away from the vertical rectangular limiting plate 16 is fixedly connected with the vertical installation pipe 11.

[0036] Through the technical scheme, the transverse moving pipe 17 can slide outside the transverse light pole 18, thereby limiting the movement track of the vertical rectangular limiting plate 16.

[0037] Further, the inside of the ball 4 is provided with a vertical through groove matched with the vertical installation pipe 11.

[0038] The inside of the ball 4 is also provided with a rectangular limiting groove matched with the vertical rectangular limiting plate 16.

[0039] Through the technical scheme, the vertical installation pipe 11 can enter the inside of the ball 4, and the vertical rectangular limiting plate 16 can enter the inside of the ball 4 through the rectangular limiting groove, thereby limiting the movement of the vertical installation pipe 11 in the ball 4.

[0040] Through the moving mechanism, the plurality of vertical rectangular limiting plates 16 can move in the inside of the vertical installation pipe 11, thereby moving into the inside of the ball 4, and the vertical installation pipe 11 can be installed in the inside of the ball 4, so that the disassembly efficiency is higher.

[0041] Through the limiting mechanism, the abutting block 5 can move towards the ball 4, and the bottom rubber pad 9 is matched with the ball 4, thereby adjusting the torque of the ball 4 in the spherical shell 1, and the adjustment is more convenient.

[0042] Working principle: through the rotation of the first inner hexagonal rotating piece 8, the first vertical threaded rod 7 can rotate, the rotation of the first vertical threaded rod 7 can vertically lift the vertical lifting block 6 in the inside of the spherical shell 1, the height of the abutting block 5 can be controlled, thereby the torque of the ball 4 can be controlled.

[0043] Through the rotation of the second inner hexagonal rotating piece 10, the vertical rotating house 12 can rotate in the inside of the vertical installation pipe 11, the rotation of the vertical rotating house 12 can rotate the second vertical threaded rod 13, the rotation of the second vertical threaded rod 13 can lift the circular lifting plate 14 in the inside of the vertical installation pipe 11, the lifting of the circular lifting plate 14 can slide the transverse moving pipe 17 through the oblique rotating column 15, thereby the vertical rectangular limiting plate 16 can move out of the inside of the vertical installation pipe 11, the vertical rectangular limiting plate 16 can enter the inside of the ball 4, thereby limiting the movement of the vertical installation pipe 11 in the ball 4.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A new type of ball-joint type universal coupling, characterized by: The utility model provides a kind of ball shell (1), the inside movable connection of the ball shell (1) is connected with sphere (4), the bottom of the ball shell (1) is fixed with bottom connecting pipe (2), the top of the ball shell (1) is provided with top connecting pipe (3), the bottom of the top connecting pipe (3) and the top of sphere (4) is provided with vertical installation pipe (11), the outside of the bottom of vertical installation pipe (11) is provided with multiple slidable vertical rectangular limit plate (16), the inside of vertical installation pipe (11) is provided with the moving mechanism for vertical rectangular limit plate (16) moves, the outside of the bottom of vertical installation pipe (11) is arranged in the inside of sphere (4). The bottom end of the bottom of the ball shell (1) is provided with a limiting mechanism for limiting the rotation of the sphere (4).

2. A new type of ball-joint universal coupling according to claim 1, characterized in that: The limiting mechanism includes a first inner hexagonal rotating piece (8), the bottom end of the inside of the ball shell (1) is rotatably connected with the first inner hexagonal rotating piece (8), the top of the first inner hexagonal rotating piece (8) is fixed with a first vertical threaded rod (7), the outer side of the first vertical threaded rod (7) is threadedly connected with a vertical lifting block (6), the top of the vertical lifting block (6) is fixed with a stop block (5), and the top of the stop block (5) is fixed with a bottom rubber pad (9).

3. A new type of ball-joint universal coupling according to claim 2, characterized in that: The outer side of the vertical lifting block (6) is fixed with a plurality of vertical sliding blocks, the inside of the ball shell (1) is provided with vertical sliding grooves matched with the vertical sliding blocks, and the ball shell (1) and the vertical lifting block (6) are slidably connected through the cooperation of the vertical sliding blocks and the vertical sliding grooves.

4. A new type of ball-joint universal coupling as claimed in claim 1, characterized in that: The moving mechanism includes a second inner hexagonal rotating piece (10), the inside of the top connecting pipe (3) is coaxially rotatably connected with the second inner hexagonal rotating piece (10), the bottom of the second inner hexagonal rotating piece (10) is fixed with a vertical rotating house (12), the vertical rotating house (12) penetrates the inside of the vertical installation pipe (11) and is rotatably connected with the vertical installation pipe (11) through a bearing; The bottom of the vertical rotating house (12) is fixed with a second vertical threaded rod (13), the outer side of the second vertical threaded rod (13) is threadedly connected with a circular lifting plate (14), the outer side of the bottom of the circular lifting plate (14) is rotatably connected with a plurality of inclined rotating columns (15), the bottom of the inclined rotating column (15) is rotatably connected with a horizontal moving pipe (17), and one end of the horizontal moving pipe (17) close to the vertical rectangular limit plate (16) is fixedly connected with the vertical rectangular limit plate (16).

5. A new type of ball-joint universal coupling as claimed in claim 4, characterized in that: The inside of the horizontal moving pipe (17) is slidably connected with a horizontal light rod (18), and one end of the horizontal light rod (18) away from the vertical rectangular limit plate (16) is fixedly connected with the vertical installation pipe (11).

6. A new type of ball-hinge universal coupling according to claim 4, characterized in that: The inside of the sphere (4) is provided with a vertical through slot matched with the vertical installation pipe (11); The inside of the sphere (4) is also provided with a rectangular limit slot matched with the vertical rectangular limit plate (16) in a clearance fit.