Rotating shaft assembly for hinge

Abstract

The rotating shaft assembly for the hinge comprises a universal joint middle body, connecting grooves are formed in the two ends of the universal joint middle body, a plurality of first universal joint rotating shafts are arranged on the inner walls of the connecting grooves, one end of each first universal joint rotating shaft is in threaded connection with a connecting block, and a plurality of second universal joint rotating shafts are in threaded connection with the connecting block. One end of the second universal joint rotating shaft is connected with a universal joint fixing end, the effect of fixing the rolling shaft can be achieved through mutual matching between the clamping spring arranged in the clamping spring groove and the pin, when a fault occurs, the pin can be easily taken down after the clamping spring is detached, the work of detaching the universal joint fixing end, the first universal joint rotating shaft and the second universal joint rotating shaft is completed, and the maintenance efficiency is improved. And the conditions that the rotating shaft assembly for the hinge is loosened and deviated in position, and the hinge is opened and is exposed to the sun to cause faults are reduced.

Description

Technical Field

[0001] The utility model relates to a hinge rotating shaft, in particular to a hinge rotating shaft assembly. Background Art

[0002] Common applications of hinge shaft assemblies include doors and windows, furniture, mechanical equipment, etc. For example, when we open or close a door, the hinge on the door rotates around the central shaft. In addition, moving parts in many mechanical equipment also use such shafts to ensure their smooth and precise movement.

[0003] However, due to the frequent opening and closing of the hinges, the screws will gradually loosen, the universal joint will shift in position, and the hinge will be exposed to the sun when opened, causing failures.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model provides a hinge shaft assembly to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A hinge shaft assembly includes a universal joint intermediate body, both ends of the universal joint intermediate body are provided with connecting grooves, the inner wall of the connecting groove is provided with a plurality of universal joint shafts 1, one end of the universal joint shaft 1 is threadedly connected with a connecting block;

[0008] A plurality of universal joint rotating shafts 2 are threadedly connected to the connecting block, and one end of the universal joint rotating shaft 2 is connected to a universal joint fixed end.

[0009] Furthermore, in order to facilitate disassembly and assembly, a retaining spring groove is provided on the fixed end of the universal joint, and a pin hole is provided on the inner wall of the retaining spring groove.

[0010] Furthermore, in order to facilitate the connection of the pin hole with a retaining ring, the retaining ring is connected to the inner wall of the retaining ring groove.

[0011] Furthermore, in order to install the fixed end of the universal joint, a pin is installed on the inner wall of the pin hole, both ends of the pin are clamped with the retaining spring, and one end of the fixed end of the universal joint is provided with a hinge shaft fixing hole and a fixing groove.

[0012] Furthermore, in order to place a spare retaining ring for subsequent use, an auxiliary groove is provided on the fixed end of the universal joint, and the auxiliary groove is close to the retaining ring groove.

[0013] Furthermore, in order to facilitate subsequent connection, chamfers are provided on the inner wall of the hinge shaft fixing hole and the universal joint fixing end.

[0014] Furthermore, in order to facilitate better installation and placement of the connecting block, a hinge shaft is connected to the inner wall of the hinge shaft fixing hole, one end of the hinge shaft is connected to the pin surface through a penetration, and the hinge shaft is adapted to the inner wall of the hinge shaft fixing hole.

[0015] The beneficial effects of the utility model are:

[0016] (1) The retaining ring and the pin arranged in the retaining ring groove cooperate with each other to achieve the effect of fixing the roller. When a fault occurs, the retaining ring can be removed and the pin can be easily removed to complete the disassembly of the fixed end of the universal joint and the universal joint shaft 1 and the universal joint shaft 2, thereby improving the maintenance efficiency, reducing the looseness and position offset between the hinge shaft assemblies, and reducing the occurrence of faults caused by the hinge opening. It provides multi-directional adjustment capabilities, enhances stability and safety, simplifies the installation process, improves durability and protection, and provides good adaptability and ease of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic structural diagram of a universal joint intermediate body of a hinge shaft assembly according to an embodiment of the utility model;

[0019] Figure 2 It is a structural schematic diagram of a universal joint fixed end of a hinge shaft assembly according to an embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a connecting block of a hinge shaft assembly according to an embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of a retaining spring groove and a pin hole of a hinge shaft assembly according to an embodiment of the utility model;

[0022] Figure 5 The utility model is a schematic diagram of the pin, the retaining spring and the hinge shaft structure of a hinge shaft assembly according to an embodiment of the utility model.

[0023] In the figure:

[0024] 1. Universal joint intermediate body; 2. Connecting groove; 3. Universal joint shaft 1; 4. Connecting block; 5. Universal joint shaft 2; 6. Universal joint fixed end; 7. Circlip groove; 8. Pin hole; 9. Pin; 10. Hinge shaft fixing hole; 11. Fixing groove; 12. Auxiliary groove; 13. Chamfer; 14. Circlip; 15. Hinge shaft. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] According to an embodiment of the utility model, a hinge shaft assembly is provided.

[0027] like Figure 1-5 As shown, a hinge shaft assembly according to an embodiment of the utility model comprises a universal joint intermediate body 1, connecting grooves 2 are provided at both ends of the universal joint intermediate body 1, the inner wall of the connecting groove 2 is adapted to the inner wall of the connecting block 4, which helps to reduce wear and improve the durability of the entire structure, and the inner wall of the connecting groove 2 is provided with a plurality of universal joint rotating shafts 3, the number of the universal joint rotating shafts 3 is two, and one end of the universal joint rotating shaft 3 is threadedly connected to the connecting block 4;

[0028] A plurality of universal joint shafts 2 5 are threadedly connected to the connecting block 4, and the number of universal joint shafts 2 5 is two. In actual use, the universal joint shaft 2 5 and one end of the universal joint shaft 1 3 are provided with threads, and the threads are threadedly connected to the connecting block 4. The universal joint shaft 2 5 and the universal joint shaft 1 3 are cylindrical structures, and one end of the universal joint shaft 2 5 is connected to a universal joint fixed end 6, which can more easily adapt to different opening angles and positions. A retaining spring groove 7 is provided on the universal joint fixed end 6, and a pin hole 8 is provided on the inner wall of the retaining spring groove 7, which provides additional stability and ensures that the hinge remains stable during use. The pin hole 8 is connected to a retaining spring 14, and the retaining spring 14 is connected to the inner wall of the retaining spring groove 7, and the retaining spring 14 is adapted to the retaining spring groove 7;

[0029] An auxiliary groove 12 is provided on the universal joint fixed end 6. The width and depth of the auxiliary groove 12 are the same as the width and depth of the retaining spring groove 7. The auxiliary groove 12 is close to the retaining spring groove 7. A spare retaining spring (not shown) is installed on the inner wall of the auxiliary groove 12 in actual use. A chamfer 13 is provided on the inner wall of the hinge shaft fixing hole 10 and the universal joint fixed end 6, which can not only reduce stress concentration and further protect the hinge from damage, but also improve the aesthetics of the hinge shaft assembly.

[0030] A pin 9 is installed on the inner wall of the pin hole 8, and a clamping groove is provided at both ends of the pin 9. Both ends of the pin 9 are clamped with a clamping spring 14. A hinge shaft fixing hole 10 and a fixing groove 11 are provided at one end of the universal joint fixed end 6. The hinge shaft fixing hole 10 and the fixing groove 11 are communicated, which simplifies the installation process and makes the hinge easier and faster to install.

[0031] The inner wall of the hinge axis fixing hole 10 is connected with a hinge axis 15 , one end of the hinge axis 15 is connected with the surface of the pin 9 through penetration, and the hinge axis 15 is adapted to the inner wall of the hinge axis fixing hole 10 .

[0032] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0033] To sum up, with the help of the above-mentioned technical scheme of the utility model, the retaining spring 14 set through the retaining spring groove 7 cooperates with the pin 9 to fix the roller when in use. When a fault occurs, the retaining spring 14 is removed using a disassembly tool. After the retaining spring 14 is removed, the pin 9 can be easily removed, completing the disassembly of the universal joint fixed end 6 and the universal joint shaft 1 3 and the universal joint shaft 2 5, thereby improving maintenance efficiency, reducing looseness and position offset between the hinge shaft assemblies, providing multi-directional adjustment capabilities, enhancing stability and safety, simplifying the installation process, improving durability and protection, and providing good adaptability and ease of maintenance.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hinge shaft assembly, characterized in that: It comprises a universal joint intermediate body (1), both ends of the universal joint intermediate body (1) are provided with connection grooves (2), the inner wall of the connection groove (2) is provided with a plurality of universal joint rotating shafts (3), one end of the universal joint rotating shaft (3) is threadedly connected with a connection block (4); A plurality of universal joint rotating shafts 2 (5) are threadedly connected to the connecting block (4), and one end of the universal joint rotating shaft 2 (5) is connected to a universal joint fixed end (6).

2. A hinge shaft assembly according to claim 1, characterized in that: A retaining ring groove (7) is provided on the fixed end (6) of the universal joint, and a pin hole (8) is provided on the inner wall of the retaining ring groove (7).

3. A hinge shaft assembly according to claim 2, characterized in that: The pin hole (8) is connected with a retaining spring (14), and the retaining spring (14) is connected to the inner wall of the retaining spring groove (7).

4. The hinge shaft assembly according to claim 2, characterized in that: A pin (9) is installed on the inner wall of the pin hole (8), and both ends of the pin (9) are clamped with a retaining spring (14). One end of the universal joint fixed end (6) is provided with a hinge shaft fixing hole (10) and a fixing groove (11).

5. The hinge shaft assembly according to claim 2, characterized in that: An auxiliary groove (12) is provided on the fixed end (6) of the universal joint, and the auxiliary groove (12) is close to the retaining ring groove (7).

6. The hinge shaft assembly according to claim 4, characterized in that: Chamfers (13) are provided on the inner wall of the hinge shaft fixing hole (10) and the universal joint fixing end (6).

7. The hinge shaft assembly according to claim 4, characterized in that: The inner wall of the hinge shaft fixing hole (10) is connected with a hinge shaft (15), one end of the hinge shaft (15) is connected to the surface of the pin (9) through penetration, and the hinge shaft (15) is adapted to the inner wall of the hinge shaft fixing hole (10).

Images