Driving shaft assembly capable of improving positioning precision of driving shaft

Abstract

The utility model relates to the technical field of driving shafts, and discloses a driving shaft assembly for improving the positioning accuracy of a driving shaft, which comprises a first driving shaft and a second driving shaft, the supporting disc and the linkage disc are fixedly installed at the inner end of the first driving shaft and the inner end of the second driving shaft and connected with each other in an inserted mode. The clamping grooves are formed in the inner side of the supporting disc in a circumferential array mode; the positioning blocks are installed on the surface of the linkage disc in a circumferential array mode and movably inserted into the clamping grooves; and a through hole. Through cooperation of the linkage disc, the supporting disc, the positioning block, the first limiting assembly and other structures, the linkage disc is inserted into the supporting disc during assembly, the positioning block on the surface of the linkage disc is inserted into the clamping groove, then the inner end of the first limiting assembly is inserted into the through hole in the surface of the positioning block, and then the linkage disc is assembled. Therefore, the inserting and positioning work is completed, the positioning precision of the driving shaft is improved, and the restraining and fixing effects are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of drive shafts, and more specifically, to a drive shaft component for improving the positioning accuracy of the drive shaft. Background Art

[0002] The drive shaft is generally composed of a fixed joint assembly, a movable joint assembly, a shaft, a locking nut and a gasket, and is divided into a front drive shaft and a rear drive shaft. When installing and positioning the drive shaft, in the prior art, when the drive shaft and the brake assembly are connected, they are mostly fixed by locking nuts or screws. However, in the process of tightening the screws or nuts, the position of the drive shaft may be offset, which in turn causes a deviation between the actual installation and fixing position and the ideal position. Ultimately, when running for a long time, the axis of the drive shaft is easily offset, affecting the normal driving work. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a drive shaft assembly which improves the positioning accuracy of the drive shaft and has the advantages of reducing position deviation and having a good fixing effect.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: a drive shaft assembly with improved positioning accuracy of the drive shaft, comprising:

[0005] a first drive shaft and a second drive shaft;

[0006] A support plate and a linkage plate, wherein the support plate and the linkage plate are fixedly mounted on the inner ends of the first drive shaft and the second drive shaft and plugged into each other;

[0007] A card slot, wherein the card slot is arranged in a circular array on the inner side of the support plate;

[0008] Positioning blocks, wherein the positioning blocks are circularly arranged on the surface of the linkage disk and are movably inserted into the card slots;

[0009] A through hole, wherein the through hole is formed on the surface of the positioning block;

[0010] The first limiting components are arranged in a circumferential array in the support plate and are movably plugged with the through holes.

[0011] As a preferred technical solution of the utility model, the support plate is also provided with

[0012] A second limiting assembly, wherein the second limiting assembly is arranged in a circumferential array inside the supporting plate and is movably plugged with the first limiting assembly;

[0013] A fixing assembly, wherein the fixing assembly is arranged on the surface of the supporting plate;

[0014] The fixing assembly includes a fixed limiting ring and a movable limiting ring, wherein the fixed limiting ring is fixedly mounted on the surface of the supporting plate, and the movable limiting ring is movably arranged on the surface of the supporting plate, and the inner sides of the fixed limiting ring and the movable limiting ring are both movably abutted against the top of the second limiting assembly.

[0015] As a preferred technical solution of the utility model, the first limit assembly includes a movable groove, a first limit block and a second limit block. The movable groove circular array is opened on the surface of the support plate and communicates with the card slot. The first limit block is movably arranged at the upper end of the movable groove, and the second limit block is movably arranged at the lower end of the movable groove and movably plugged into the inside of the through hole.

[0016] As a preferred technical solution of the utility model, the second limiting assembly includes a limiting groove and a limiting rod. The limiting groove is arranged in a circular array on the surface of the support plate. The limiting rod is slidably installed in the limiting groove and movably connected with the first limiting assembly.

[0017] As a preferred technical solution of the utility model, first return springs are arranged on both sides of the first limit block, and second return springs are arranged on both sides of the second limit block.

[0018] As a preferred technical solution of the present utility model, the inner end of the second limiting block is arranged in a hexagonal column shape, and the through hole is arranged in a hexagonal column shape.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] 1. The utility model cooperates with structures such as a linkage disk, a support disk, a positioning block and a first limiting component, so that when assembling, the linkage disk is inserted into the support disk, and the positioning block on the surface of the linkage disk is inserted into the card slot, and then the first limiting component is used to insert the inner end of the linkage disk into the through hole on the surface of the positioning block, thereby completing the plug-in positioning work, thereby improving the positioning accuracy of the drive shaft and playing a role in restraint and fixation.

[0021] 2. The utility model cooperates with structures such as the second limit assembly, the fixed limit ring and the movable limit ring, so that when in use, the first limit assembly is limited by the second limit assembly, and then the second limit assembly is limited by the movable limit ring, and the threaded holes of the top of the second limit assembly, the fixed limit ring and the movable limit ring are aligned, so that the three can be connected with bolts, thereby achieving a better fixing effect, thereby avoiding the movement of the linkage assembly and causing the axial deviation to occur, and achieving a better positioning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the appearance structure of the support plate and linkage plate of the utility model;

[0024] Figure 3 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0025] Figure 4 It is a right side cross-sectional structural schematic diagram of the utility model;

[0026] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure of part A.

[0027] In the figure: 1. first drive shaft; 2. support plate; 3. linkage plate; 4. second drive shaft; 5. positioning block; 6. through hole; 7. movable groove; 8. first limit block; 9. second limit block; 10. first return spring; 11. second return spring; 12. limit groove; 13. limit rod; 14. fixed limit ring; 15. movable limit ring; 16. slot. DETAILED DESCRIPTION

[0028] 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.

[0029] like Figures 1 to 5 As shown, the utility model provides a drive shaft assembly with improved positioning accuracy of the drive shaft, comprising

[0030] A first drive shaft 1 and a second drive shaft 4;

[0031] The supporting disk 2 and the linkage disk 3 are fixedly mounted on the inner ends of the first driving shaft 1 and the second driving shaft 4 and plugged into each other;

[0032] The card slots 16 are arranged in a circular array on the inner side of the support plate 2;

[0033] Positioning blocks 5, which are arranged in a circular array on the surface of the linkage disk 3 and are movably inserted into the card slots 16;

[0034] A through hole 6, which is provided on the surface of the positioning block 5;

[0035] The first limiting components are arranged in a circumferential array in the supporting plate 2 and are movably plugged into the through holes 6 .

[0036] When working, the linkage disk 3 is inserted into the support disk 2, and the positioning block 5 on the surface of the linkage disk 3 is inserted into the card slot 16, and then the first limiting component is used to limit and fix the linkage disk 3, so that the linkage disk 3 cannot be pulled out;

[0037] The positioning work is completed by the cooperation between the positioning block 5 and the slot 16, and the first limit assembly is provided to fix the positioning block 5, thereby completing the plug-in positioning work, thereby improving the positioning accuracy of the drive shaft and playing a role of restraint and fixation.

[0038] Among them, the support plate 2 is also provided with

[0039] A second limiting assembly, wherein the second limiting assembly is arranged in a circumferential array inside the support plate 2 and is movably plugged with the first limiting assembly;

[0040] A fixing component, the fixing component is arranged on the surface of the supporting plate 2;

[0041] The fixed assembly includes a fixed limiting ring 14 and a movable limiting ring 15. The fixed limiting ring 14 is fixedly mounted on the surface of the support plate 2, and the movable limiting ring 15 is movably arranged on the surface of the support plate 2. The inner sides of the fixed limiting ring 14 and the movable limiting ring 15 are movably abutted against the top of the second limiting assembly.

[0042] When working, the second limiting component is used to limit the first limiting component, and then the top of the second limiting component is aligned with the fixed limiting ring 14, and then the movable limiting ring 15 is set on the other side of the top of the limiting rod 13, so that the second limiting component cannot move, and then the overlapping parts of the three are connected and fixed with bolts;

[0043] By providing the second limiting component and the fixing component, the fixing effect is improved, and the movement of the linkage assembly is avoided, which causes the axis deviation to occur, thereby achieving a better positioning effect.

[0044] Among them, the first limiting assembly includes a movable groove 7, a first limiting block 8 and a second limiting block 9. The movable groove 7 is opened in a circular array on the surface of the support plate 2 and is communicated with the card slot 16. The first limiting block 8 is movably set at the upper end of the movable groove 7, and the second limiting block 9 is movably set at the lower end of the movable groove 7 and is movably plugged into the inside of the through hole 6.

[0045] When working, the first limit block 8 is pressed downward along the upper end of the movable groove 7, so that the second limit block 9 moves from the outside to the inside in the lower end of the movable groove 7, so that the inner end of the second limit block 9 is inserted into the through hole 6 on the surface of the positioning block 5;

[0046] By providing the first limiting component, the positioning block 5 cannot move, thereby completing the plug-in positioning work, improving the positioning accuracy of the drive shaft, and playing a role of restraint and fixation.

[0047] The second limiting assembly includes a limiting groove 12 and a limiting rod 13. The limiting groove 12 is arranged in a circumferential array on the surface of the support plate 2. The limiting rod 13 is slidably installed in the limiting groove 12 and is movably connected with the first limiting assembly.

[0048] During operation, the limiting rod 13 is moved along the limiting groove 12 to pass through the upper end of the first limiting block 8, thereby constraining the first limiting block 8;

[0049] By setting the second limiting component, the first limiting component is limited.

[0050] Wherein, first return springs 10 are arranged on both sides of the first limit block 8 , and second return springs 11 are arranged on both sides of the second limit block 9 .

[0051] During operation, the first return spring 10 controls the first limit block 8 to return to its original position, while the second return spring 11 controls the second limit block 9 to return to its original position;

[0052] By arranging the first return springs 10 on both sides of the first limit block 8 and then arranging the second return springs 11 on both sides of the second limit block 9, the return and limit are facilitated.

[0053] The inner end of the second limiting block 9 is configured to be in the shape of a hexagonal prism, and the through hole 6 is configured to be in the shape of a hexagonal prism.

[0054] When working, the inner end of the second limit block 9 is inserted into the through hole 6;

[0055] By arranging the inner end of the second limiting block 9 and the through hole 6 in a hexagonal column shape, movement is avoided and the fixing effect is improved.

[0056] The working principle and use process of this utility model:

[0057] During assembly, the linkage disk 3 is inserted into the support disk 2, and the positioning block 5 on the surface of the linkage disk 3 is inserted into the card slot 16, and then the first limit block 8 is pressed downward along the upper end of the movable slot 7, so that the second limit block 9 moves from the outside to the inside in the lower end of the movable slot 7, so that the inner end of the second limit block 9 is inserted into the through hole 6 on the surface of the positioning block 5, thereby completing the plug-in positioning work, so that the positioning accuracy of the drive shaft is improved, and the role of constraint and fixation is played;

[0058] Then, the limit rod 13 is moved along the limit groove 12 to pass through the upper end of the first limit block 8, thereby constraining the first limit block 8 and aligning the top of the limit rod 13 with the fixed limit ring 14. Then, the movable limit ring 15 is set on the other side of the top of the limit rod 13, so that the limit rod 13 cannot move. Subsequently, the overlapping parts of the three are connected by bolts, thereby achieving a better fixing effect, thereby avoiding the movement of the linkage assembly and causing the axial deviation, and achieving a better positioning effect.

[0059] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drive shaft assembly for improving the positioning accuracy of a drive shaft, characterized in that: Included A first drive shaft (1) and a second drive shaft (4); A support plate (2) and a linkage plate (3), wherein the support plate (2) and the linkage plate (3) are fixedly mounted on the inner ends of the first drive shaft (1) and the second drive shaft (4) and are plugged into each other; Card slots (16), the card slots (16) being arranged in a circumferential array on the inner side of the support plate (2); Positioning blocks (5), the positioning blocks (5) are installed in a circumferential array on the surface of the linkage disk (3) and are movably inserted into the card slot (16); A through hole (6), wherein the through hole (6) is formed on the surface of the positioning block (5); A first limiting assembly, wherein the first limiting assembly is arranged in a circumferential array in the support plate (2) and is movably plugged into the through hole (6).

2. A drive shaft assembly for improving the positioning accuracy of a drive shaft according to claim 1, characterized in that: The support plate (2) is also provided with A second limiting assembly, wherein the second limiting assembly is arranged in a circumferential array inside the support plate (2) and is movably plugged into the first limiting assembly; A fixing component, the fixing component being arranged on the surface of the supporting plate (2); The fixing assembly comprises a fixed limiting ring (14) and a movable limiting ring (15); the fixed limiting ring (14) is fixedly mounted on the surface of the support plate (2); the movable limiting ring (15) is movably arranged on the surface of the support plate (2); the inner sides of the fixed limiting ring (14) and the movable limiting ring (15) are both movably abutted against the top of the second limiting assembly.

3. A drive shaft assembly for improving the positioning accuracy of a drive shaft according to claim 1, characterized in that: The first limiting assembly comprises a movable groove (7), a first limiting block (8) and a second limiting block (9); the movable groove (7) is arranged in a circular array on the surface of the support plate (2) and communicates with the card slot (16); the first limiting block (8) is movably arranged at the upper end of the movable groove (7); the second limiting block (9) is movably arranged at the lower end of the movable groove (7) and is movably plugged into the interior of the through hole (6).

4. A drive shaft assembly for improving the positioning accuracy of a drive shaft according to claim 2, characterized in that: The second limiting assembly comprises a limiting groove (12) and a limiting rod (13); the limiting groove (12) is arranged in a circumferential array on the surface of the support plate (2); the limiting rod (13) is slidably mounted in the limiting groove (12) and is movably plugged into the first limiting assembly.

5. The drive shaft assembly for improving the positioning accuracy of the drive shaft according to claim 3, characterized in that: First return springs (10) are arranged on both sides of the first limit block (8), and second return springs (11) are arranged on both sides of the second limit block (9).

6. A drive shaft assembly for improving the positioning accuracy of a drive shaft according to claim 3, characterized in that: The inner end of the second limiting block (9) is arranged in a hexagonal column shape, and the through hole (6) is arranged in a hexagonal column shape.

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