Fluted disc assembly and clamp
By setting a partial tooth design with a toothless segment on the tooth plate of the tooth plate assembly, the high precision requirements and reduced meshing strength of the existing tooth plate assembly during processing and meshing are solved, and the cost reduction and meshing strength improvement are achieved.
Patent Information
- Application Number
- CN202421698524.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The complete tooth structure of the existing gear disc assembly has high precision requirements, complex processes, high costs and amplified processing errors during machining and meshing, resulting in a reduction in meshing strength.
The partial tooth structure design of at least one tooth plate is adopted, including a toothless section on the top face teeth and bottom face teeth of the upper and lower teeth plates, meeting the requirements of any angle meshing and locking, while reducing the number of teeth and reducing processing costs.
Through partial tooth design, the processing cost of the gear disc is reduced, the risk of insufficient meshing depth caused by machining errors is reduced, and the meshing strength and stability of the gear disc assembly are improved.
Smart Images
Figure CN222902820U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a tooth disc assembly and a fixture, belonging to the clamping technical field. Background Art
[0002] In existing clamping block assemblies such as external fixing bracket rod clamps and needle rod clamps, the part tooth discs are generally divided into an upper tooth disc and a lower tooth disc. The upper tooth disc and the lower tooth disc are meshed through teeth, and arbitrary angle adjustment can be realized when the upper tooth disc and the lower tooth disc are coaxial.
[0003] The teeth of the upper tooth disc and the lower tooth disc are complete tooth structures with full distribution. The complete teeth have high requirements for the machining accuracy of the upper teeth of the tooth disc, the machining process is more complex, the machining cost is higher, and it is extremely easy to have problems with unqualified machining. Moreover, when the complete teeth on the upper tooth disc and the lower tooth disc are meshed, the machining error of the tooth disc will be amplified, resulting in incomplete fitting during tooth meshing and reducing the meshing strength. Summary of the Invention
[0004] The utility model aims at the deficiencies of the existing technology and provides a tooth disc assembly and a fixture.
[0005] The technical solution for the utility model to solve the above technical problems is as follows: A tooth disc assembly includes an upper tooth disc and a lower tooth disc cooperating with the upper tooth disc. The lower tooth disc is provided with top surface teeth, and the upper tooth disc is provided with bottom surface teeth meshing with the top surface teeth.
[0006] At least one toothless section is provided on the bottom surface teeth and / or at least one toothless section is provided on the top surface teeth.
[0007] The beneficial effect of the utility model is that the tooth layout on at least one of the upper tooth disc and the lower tooth disc is a partial tooth structure with at least one toothless section. For example, the top surface teeth on the lower tooth disc are partial teeth, that is, there is at least one toothless section on the top surface teeth of the lower tooth disc, and the upper tooth disc cooperating with the lower tooth disc adopts the design of complete teeth; or, the bottom surface teeth of the upper tooth disc are partial teeth, that is, there is at least one toothless section on the bottom surface teeth of the upper tooth disc, and the lower tooth disc cooperating with it can adopt the design of complete teeth; or the bottom surface teeth of the upper tooth disc adopt the partial tooth design, that is, there is at least one toothless section on the bottom surface teeth of the upper tooth disc, and the top surface teeth of the lower tooth disc cooperating with it also adopt the partial tooth design, that is, there is at least one toothless section on the top surface teeth of the lower tooth disc. The design of at least one tooth disc with partial teeth can not only meet the requirements of arbitrary angle meshing and locking between the upper and lower tooth discs, but also reduce the number of teeth, lower the tooth machining cost, and effectively reduce the risk of insufficient meshing depth caused by tooth machining errors.
[0008] On the basis of the above technical solution, the utility model can also be improved as follows.
[0009] Further, there are multiple toothless sections, and the multiple toothless sections are evenly distributed on the upper tooth disc and / or the lower tooth disc.
[0010] The beneficial effect of adopting the above further solution is that the appropriate number of toothless sections can be selected according to the processing and use requirements. The toothless sections can be distributed at intervals, which means that the toothed sections on the tooth disc are evenly distributed on the end face of the tooth disc, further meeting the meshing and locking requirements between the tooth disc components.
[0011] Further, the top surface teeth are integrally distributed in a ring structure on the top surface of the lower tooth disc, and the bottom surface teeth are integrally distributed in a ring structure on the bottom surface of the upper tooth disc.
[0012] The beneficial effect of adopting the above further solution is that the tooth disc components can be adjusted at any rotation angle to achieve meshing and locking at any angle.
[0013] Further, shaft holes are respectively provided on the upper tooth disc and the lower tooth disc.
[0014] The beneficial effect of adopting the above further solution is that the shaft holes are used to install the connecting shaft, and the rotation angle of the tooth disc can be adjusted with the axis of the connecting shaft as the rotation fulcrum.
[0015] Further, the shaft holes are stepped holes, and positioning ring platforms for positioning springs are provided in the shaft holes.
[0016] The beneficial effect of adopting the above further solution is that the shaft holes not only need to position the connecting shaft, but also springs need to be installed between the tooth disc components. Therefore, stepped holes are used to position the springs, and the springs can provide clamping force to meet the requirements of clamping rods or needles in the cooperation between the tooth disc and other components.
[0017] Further, upper clamping grooves are also provided on the upper tooth disc, and lower clamping grooves are also provided on the lower tooth disc.
[0018] The beneficial effect of adopting the above further solution is that the clamping grooves can form a clamping space when the tooth disc cooperates with other components.
[0019] Further, upper positioning protrusions are provided on the upper tooth disc, and lower positioning protrusions are provided on the lower tooth disc.
[0020] The beneficial effect of adopting the above further solution is that the positioning protrusions are used to achieve positioning cooperation with other components, ensuring the formation of a clamping space between the tooth disc and other components.
[0021] The present utility model also relates to a fixture, which includes a connecting shaft, an upper clamping block and a lower clamping block, and also includes the above-mentioned tooth disc assembly. The rod end of the connecting shaft sequentially passes through the upper clamping block, the upper tooth disc, the lower tooth disc and the lower clamping block and is locked by a fastener. A spring is arranged between the upper tooth disc and the lower tooth disc. An upper clamping space is arranged between the upper clamping block and the upper tooth disc, and a lower clamping space is formed between the lower tooth disc and the lower clamping block.
[0022] The beneficial effects of the present utility model are as follows: The upper tooth disc and the upper clamping block cooperate to form an upper clamping space, and the lower tooth disc and the lower clamping block cooperate to form a lower clamping space. The adjustment of the position between the components clamped by the upper and lower clamping spaces can be adjusted through the tooth disc assembly. Specifically, the relative angle between the upper and lower tooth discs is adjusted. Once the adjustment is in place, it can be locked and positioned by the meshing between the teeth on the upper end face of the tooth disc. At least one tooth disc in the tooth disc assembly has a part of the tooth with a toothless section, which can not only meet the requirement of meshing and locking at any angle when the two tooth discs are coaxial, but also reduce the number of teeth on the tooth disc, reduce the processing cost of the tooth disc, effectively reduce the risk of insufficient meshing depth caused by tooth processing errors, and meet the adjustment of the position between different clamping components on the fixture.
[0023] Further, the upper clamping block is provided with an upper groove, and the upper groove and the upper clamping groove on the upper tooth disc cooperate to form the above-mentioned upper clamping space; the lower clamping block is provided with a lower groove, and the lower groove and the lower clamping groove on the lower tooth disc cooperate to form the lower clamping space.
[0024] The beneficial effect of adopting the above further scheme is that the groove and the clamping groove cooperate to form a clamping space adapted to the outer shape of the clamped component, and the clamping space is more stable and reliable when clamping the component.
[0025] Further, the upper clamping block is provided with an upper positioning groove, and the upper positioning groove cooperates with the upper positioning protrusion on the upper tooth disc; the lower clamping block is provided with a lower positioning groove, and the lower positioning groove cooperates with the lower positioning protrusion on the lower tooth disc.
[0026] The beneficial effect of adopting the above further scheme is to achieve accurate alignment between the upper tooth disc and the upper clamping block and between the lower tooth disc and the lower clamping block, further ensure the formation of the clamping space, and at the same time meet the requirements of the upper clamping block rotating with the upper tooth disc and the lower clamping block rotating with the lower tooth disc. Description of the Drawings
[0027] Figure 1 is a schematic structural diagram of the tooth disc assembly of the present utility model;
[0028] Figure 2 is a split structural diagram of the first embodiment of the present utility model from an angle;
[0029] Figure 3Schematic diagram of the split structure of Angle 2 in Embodiment 1 of the present utility model;
[0030] Figure 4 Schematic diagram of the split structure of Angle 1 in Embodiment 2 of the present utility model;
[0031] Figure 5 Schematic diagram of the split structure of Angle 2 in Embodiment 3 of the present utility model;
[0032] Figure 6 Schematic diagram of the split structure of Angle 1 in Embodiment 3 of the present utility model;
[0033] Figure 7 Schematic diagram of the split structure of Angle 2 in Embodiment 3 of the present utility model;
[0034] Figure 8 Schematic diagram of the structure of the fixture of the present utility model;
[0035] Figure 9 is Figure 8 The sectional view along the A-A direction in;
[0036] Figure 10 Stereogram of the fixture of the present utility model;
[0037] Figure 11 Schematic diagram of the split structure of the fixture of the present utility model;
[0038] In the figure, 1. upper tooth disc; 11. bottom end face teeth; 12. upper card slot; 13. upper positioning protrusion; 2. lower tooth disc; 21. top end face teeth; 22. lower card slot; 23. lower positioning protrusion; 3. toothless section; 4. connecting shaft; 5. upper clamping block; 51. upper groove; 6. spring; 7. lower clamping block; 71. lower groove; 8. fastener; 9. upper clamping space; 10. lower clamping space. Detailed implementation manners
[0039] The principles and features of the present utility model will be described below in conjunction with examples. The examples given are only used to explain the present utility model and are not intended to limit the scope of the present utility model.
[0040] As Figure 1 shown, a tooth disc assembly includes an upper tooth disc 1 and a lower tooth disc 2 that cooperates with the upper tooth disc 1. The lower tooth disc 2 is provided with top end face teeth 21, and the upper tooth disc 1 is provided with bottom end face teeth 11 that mesh with the top end face teeth 21. At least one toothless section 3 is provided on the bottom end face teeth 11 and / or at least one toothless section 3 is provided on the top end face teeth 21. The tooth layout on at least one of the upper tooth disc 1 and the lower tooth disc 2 is a partial distributed tooth structure with at least one toothless section 3.
[0041] Embodiment 1, as Figure 2 andFigure 3 As shown in the figure, the top surface teeth 21 on the lower gear disk 2 are partial teeth, that is, there is at least one toothless section 3 on the top surface teeth 21 of the lower gear disk 2, and the upper gear disk 1 cooperating with the lower gear disk 2 adopts a complete tooth design.
[0042] There are multiple toothless sections 3, and the multiple toothless sections 3 are evenly distributed on the lower gear disk 2. The number of suitable toothless sections 3 can be selected according to processing and usage requirements. The toothless sections 3 can be distributed at intervals, which means that the toothed sections on the gear disk are evenly distributed on the end surface of the gear disk, further meeting the meshing and locking requirements between the gear disk components. For example, on the premise of ensuring usage requirements, the number of teeth can be reduced to 50% of the original, and they are intermittently distributed in 3 regions.
[0043] The top surface teeth 21 are integrally distributed in a ring structure on the top surface of the lower gear disk 2, and the bottom surface teeth 11 are integrally distributed in a ring structure on the bottom surface of the upper gear disk 1. The gear disk components can be adjusted at any rotation angle to achieve meshing and locking at any angle.
[0044] The upper gear disk 1 and the lower gear disk 2 are respectively provided with shaft holes. The shaft holes are used to install the connecting shaft 4, and the axis of the connecting shaft 4 can be used as the rotation fulcrum to adjust the rotation angle of the gear disk.
[0045] The shaft hole is a stepped hole, and a positioning ring platform for positioning the spring 6 is provided in the shaft hole. At the same time, a spring 6 also needs to be installed between the gear disk components, so a stepped hole is used to position the spring 6. The spring 6 can provide a clamping force to meet the requirements of clamping a rod or a needle in cooperation with other components of the gear disk.
[0046] The upper gear disk 1 is further provided with an upper card slot 12, and the lower gear disk 2 is further provided with a lower card slot 22. The card slot can form a clamping space when the gear disk cooperates with other components.
[0047] The upper gear disk 1 is provided with an upper positioning protrusion 13, and the lower gear disk 2 is provided with a lower positioning protrusion 23. Positioning cooperation with other components is achieved through the positioning protrusions, ensuring the formation of a clamping space between the gear disk and other components, and at the same time being able to drive the rotation of other components cooperating with it.
[0048] Example 2, as Figure 4 and Figure 5 shown, the bottom surface teeth 11 on the upper gear disk 1 are partial teeth, that is, there is at least one toothless section 3 on the bottom end surface teeth 11 of the upper gear disk 1, and the lower gear disk 2 cooperating with the upper gear disk 1 adopts a complete tooth design.
[0049] The toothless sections 3 are provided in multiple places, and the multiple toothless sections 3 are evenly distributed on the upper tooth disc 1. The number of toothless sections 3 can be selected according to processing and use requirements. The toothless sections 3 can be distributed at intervals, which means that the toothed sections on the tooth disc are evenly distributed on the end face of the tooth disc, further meeting the meshing and locking requirements between the tooth disc components. For example, on the premise of ensuring the use requirements, the number of teeth can be reduced to 50% of the original and distributed intermittently in 3 areas. The remaining structure is the same as that of Embodiment 1 and will not be described in detail here.
[0050] Embodiment 3, as Figure 6 and Figure 7 shown, the bottom-end face teeth 11 of the upper tooth disc 1 adopt a partial tooth design with toothless sections 3, that is, there is at least one toothless section 3 on the bottom-end face teeth 11 of the upper tooth disc 1, and the top-end face teeth 21 of the lower tooth disc 2 cooperating therewith also adopt a partial tooth design, that is, there is at least one toothless section 3 on the top-end face teeth 21 of the lower tooth disc 2; at least one tooth disc adopts a partial tooth design. The toothless sections 3 are provided in multiple places, and the multiple toothless sections 3 are evenly distributed on the upper tooth disc 1 and the lower tooth disc 2. The number of toothless sections 3 can be selected according to processing and use requirements, such as three. The toothless sections 3 can be distributed at intervals, which means that the toothed sections on the tooth disc are evenly distributed on the end face of the tooth disc, further meeting the meshing and locking requirements between the tooth disc components. For example, on the premise of ensuring the use requirements, the number of teeth can be reduced to 50% of the original and distributed intermittently in 3 areas. The remaining structure is the same as that of Embodiment 1 and will not be described in detail here.
[0051] As Figures 8 - 11 shown, the present utility model further relates to a fixture, including a connecting shaft 4, an upper clamping block 5 and a lower clamping block 7, and further including the above-mentioned tooth disc assembly. The rod end of the connecting shaft 4 sequentially passes through the upper clamping block 5, the upper tooth disc 1, the lower tooth disc 2 and the lower clamping block 7 and is locked by a fastener 8. A spring 6 is provided between the upper tooth disc 1 and the lower tooth disc 2. An upper clamping space 9 is provided between the upper clamping block 5 and the upper tooth disc 1, and a lower clamping space 10 is formed between the lower tooth disc 2 and the lower clamping block 7. A threaded hole for connecting with the fastener 8 is provided on the connecting shaft 4.
[0052] The upper clamping block 5 is provided with an upper groove 51, and the upper groove 51 and the upper clamping groove 12 on the upper tooth disc 1 cooperate to form the upper clamping space 9; the lower clamping block 7 is provided with a lower groove 71, and the lower groove 71 and the lower clamping groove 22 on the lower tooth disc 2 cooperate to form the lower clamping space 10. The groove and the clamping groove cooperate to form a clamping space adapted to the outer shape of the clamped component, and the clamping space is more stable and reliable when clamping the component.
[0053] The upper clamping block 5 is provided with an upper positioning groove, and the upper positioning groove is matched with the upper positioning protrusion 13 on the upper tooth disc 1; the lower clamping block 7 is provided with a lower positioning groove, and the lower positioning groove is matched with the lower positioning protrusion 23 on the lower tooth disc 2. Precise alignment between the upper tooth disc 1 and the upper clamping block 5 and between the lower tooth disc 2 and the lower clamping block 7 is achieved, further ensuring the formation of the clamping space, and at the same time meeting the requirements that the upper clamping block 5 rotates with the upper tooth disc 1 and the lower clamping block 7 rotates with the lower tooth disc 2.
[0054] The upper tooth disc and the upper clamping block cooperate to form an upper clamping space, and the lower tooth disc and the lower clamping block cooperate to form a lower clamping space. The adjustment of the position between the components clamped by the upper and lower clamping spaces can be adjusted through the tooth disc assembly. Specifically, the relative angle between the upper and lower tooth discs is adjusted. Once the adjustment is in place, locking and positioning are achieved through the meshing between the teeth on the upper end face of the tooth disc. At least one tooth disc in the tooth disc assembly has a part of the tooth with a toothless section, which can not only meet the requirements of meshing and locking at any angle when the two tooth discs are coaxial, but also reduce the number of teeth on the tooth disc, reducing the processing cost of the tooth disc, effectively reducing the risk of insufficient meshing depth caused by tooth processing errors, and meeting the adjustment of the position between different clamping components on the fixture.
[0055] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A toothed disc assembly, characterized in that: It comprises an upper toothed disc (1) and a lower toothed disc (2) cooperating with the upper toothed disc (1), wherein the lower toothed disc (2) is provided with a top end face tooth (21), and the upper toothed disc (1) is provided with a bottom end face tooth (11) meshing with the top end face tooth (21); The bottom face tooth (11) is provided with at least one toothless section (3), and / or the top face tooth (21) is provided with at least one toothless section (3).
2. The toothed disc assembly according to claim 1, characterized in that: The toothless sections (3) are provided at a plurality of locations, and the toothless sections (3) are evenly distributed on the upper toothed disc (1) and / or the lower toothed disc (2).
3. The toothed disc assembly according to claim 1 or 2, characterized in that: The top end face teeth (21) are distributed on the top surface of the lower toothed disc (2) in an overall annular structure, and the bottom end face teeth (11) are distributed on the bottom surface of the upper toothed disc (1) in an overall annular structure.
4. The toothed disc assembly according to claim 1 or 2, characterized in that: The upper gear disc (1) and the lower gear disc (2) are respectively provided with shaft holes.
5. The toothed disc assembly according to claim 4, characterized in that: The axial hole is a stepped hole, and a positioning ring for positioning a spring (6) is provided in the axial hole.
6. The toothed disc assembly according to claim 1 or 2, characterized in that: The upper toothed disc (1) is also provided with an upper clamping groove (12), and the lower toothed disc (2) is also provided with a lower clamping groove (22).
7. The toothed disc assembly according to claim 1 or 2, characterized in that: The upper toothed disc (1) is provided with an upper positioning protrusion (13), and the lower toothed disc (2) is provided with a lower positioning protrusion (23).
8. A clamp, comprising a connecting shaft (4), an upper clamping block (5) and a lower clamping block (7), characterized in that: It also includes a toothed disc assembly as described in any one of claims 1 to 7, wherein the rod end of the connecting shaft (4) passes through the upper clamping block (5), the upper toothed disc (1), the lower toothed disc (2) and the lower clamping block (7) in sequence and is locked by a fastener (8), a spring (6) is provided between the upper toothed disc (1) and the lower toothed disc (2), an upper clamping space (9) is provided between the upper clamping block (5) and the upper toothed disc (1), and a lower clamping space (10) is formed between the lower toothed disc (2) and the lower clamping block (7).
9. The clamp according to claim 8, characterized in that The upper clamping block (5) is provided with an upper groove (51), and the upper groove (51) cooperates with the upper clamping groove (12) on the upper toothed disc (1) to form the upper clamping space (9); the lower clamping block (7) is provided with a lower groove (71), and the lower groove (71) cooperates with the lower clamping groove (22) on the lower toothed disc (2) to form the lower clamping space (10).
10. The clamp according to claim 8, characterized in that The upper clamping block (5) is provided with an upper positioning groove, which cooperates with the upper positioning protrusion (13) on the upper toothed disc (1); the lower clamping block (7) is provided with a lower positioning groove, which cooperates with the lower positioning protrusion (23) on the lower toothed disc (2).