Firm hook type commutator
By introducing the slide groove and chuck structure and multi-layer protective layer into the hook commutator, the assembly troubles and reliability problems in high-stress environments are solved, and efficient assembly and reliable performance are improved.
Patent Information
- Application Number
- CN202421692830.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-07-17
AI Technical Summary
Existing hook commutators need real-time adjustment during assembly, which is troublesome and not efficient enough, and their performance is not reliable enough in high stress environments.
A firm hook-type commutator is designed, adopting a uniformly distributed slide groove and chuck groove structure outside the inner sleeve. It can achieve rapid fixing through the sliding connection between the chuck and the slide. A reinforcement layer, a high-temperature layer, a corrosion-resistant layer and a wear-resistant layer are provided on the outside to improve tensile strength, twist resistance and wear resistance.
It improves assembly efficiency, enhances the practicality of the device, reliability and safety in high stress environments, and extends service life.
Smart Images
Figure CN223124362U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to a firm hook-shaped commutator. Background Art
[0002] The hook-shaped commutator is an important component of a DC motor, and its function is to convert the DC current passing through the carbon brush into an alternating current in the winding or convert the alternating electromotive force in the winding into a DC electromotive force at the carbon brush end.
[0003] In the prior art, when assembling the hook-shaped commutator, the mica sheet and the commutator segment are fixedly installed on the inner sleeve through a rubber band, and then the assembled mica sheet, commutator segment and inner sleeve are placed in a mold, and bakelite powder is added to press the mold body. The commutator segment, reinforcing ring and inner sleeve are fixedly connected through the pressing of the mold body, and then the redundant mica sheet arranged on the mold body is milled out.
[0004] When the above device is assembled, it is necessary to tie the inner sleeve with a rubber band, then insert the commutator segment between the rubber band and the inner sleeve, and insert the mica sheet in sequence to insulate between adjacent commutator segments, and real-time adjustment is required, so the assembly is relatively troublesome. Summary of the Utility Model
[0005] The purpose of the utility model is to solve the disadvantages of the prior art that real-time adjustment is required and the assembly is relatively troublesome, and to propose a firm hook-shaped commutator.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a firm hook-shaped commutator, including an inner sleeve, evenly distributed sliding grooves are arranged on the outer part of the inner sleeve, a clamping groove is arranged on one side of the sliding groove, grooves are arranged on both sides of the sliding groove, a clamping block is slidably connected inside the clamping groove, a sliding block is fixedly connected to one side of the clamping block, a commutator segment is fixedly connected to one side of the sliding block, placing grooves are arranged on both sides of the sliding block, a telescopic rod is fixedly connected inside the placing groove, a spring is sleeved on the outer part of the telescopic rod, a clamping block is fixedly connected to the output end of the telescopic rod, the clamping block is slidably connected inside the groove, and a supporting component is fixedly connected to the upper part of the sliding block.
[0007] As a further description of the above technical scheme:
[0008] The supporting component includes a supporting block, the supporting block is fixedly connected to the upper part of the sliding block, and a clamping jaw block is fixedly connected to one side of the supporting block.
[0009] As a further description of the above technical scheme:
[0010] The outer part of the commutator segment is provided with a strengthening layer, the outer part of the strengthening layer is provided with a strengthening component, and the outer part of the strengthening component is provided with a wear-resistant layer.
[0011] As a further description of the above technical solution:
[0012] The strengthening component includes a high-temperature resistant layer, the high-temperature resistant layer is arranged outside the strengthening layer, and the outside of the high-temperature resistant layer is provided with a corrosion-resistant layer.
[0013] As a further description of the above technical solution:
[0014] One end of the spring is fixedly connected inside the placement groove, and the other end of the spring is fixedly connected to the opposite side of the clamping block.
[0015] As a further description of the above technical solution:
[0016] The sliding groove is communicated with the clamping groove.
[0017] As a further description of the above technical solution:
[0018] The outside of the corrosion-resistant layer is provided with a wear-resistant layer.
[0019] As a further description of the above technical solution:
[0020] A slider is slidably connected inside the sliding groove.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, by manually moving the commutator segment to drive the clamping block and the slider to move, inserting the slider into the sliding groove, and at the same time the clamping block slides inside the clamping groove, and the clamping block is inserted into the groove to fix the commutator segment, the overall assembly efficiency of the device is improved, and the practicability of the device is strengthened.
[0023] 2. In the utility model, by setting the strengthening layer, the commutator segment has extremely high tensile strength, anti-twisting and anti-bending capabilities; by setting the high-temperature resistant layer, the commutator segment has high-temperature stability; by setting the corrosion-resistant layer, the commutator segment is protected from moisture and other corrosive environments; by setting the wear-resistant layer, the wear resistance of the commutator segment is enhanced, so that the device can provide reliable and safe performance in a high-stress environment and improve its service life. Description of the Drawings
[0024] Figure 1 is a perspective view of a firm hook-shaped commutator proposed by the utility model;
[0025] Figure 2 is an exploded view of a firm hook-shaped commutator proposed by the utility model;
[0026] Figure 3 Partial structural sectional view of a sturdy hook-shaped commutator proposed by the present utility model;
[0027] Figure 4 Commutator segment sectional view of a sturdy hook-shaped commutator proposed by the present utility model.
[0028] Legend description:
[0029] 1. Inner sleeve; 2. Sliding groove; 3. Clamping groove; 4. Groove; 5. Clamping block; 6. Slide block; 7. Commutator segment; 8. Placing groove; 9. Telescopic rod; 10. Spring; 11. Clamping block; 12. Support block; 13. Caliper block; 14. Reinforcing layer; 15. High-temperature resistant layer; 16. Corrosion-resistant layer; 17. Wear-resistant layer. Specific implementation manner
[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0031] Refer to Figure 1 、 Figure 2 、 Figure 3 An embodiment provided by the present utility model: A sturdy hook-shaped commutator includes an inner sleeve 1. Uniformly distributed sliding grooves 2 are provided on the outside of the inner sleeve 1. A clamping groove 3 is provided on one side of the sliding groove 2. Grooves 4 are provided on both sides of the sliding groove 2. A clamping block 5 is slidably connected inside the clamping groove 3. A slide block 6 is fixedly connected to one side of the clamping block 5. A commutator segment 7 is fixedly connected to one side of the slide block 6. Placing grooves 8 are provided on both sides of the slide block 6. A telescopic rod 9 is fixedly connected inside the placing groove 8. A spring 10 is sleeved outside the telescopic rod 9. A clamping block 11 is fixedly connected to the output end of the telescopic rod 9. The clamping block 11 is slidably connected inside the groove 4. A support assembly is fixedly connected to the upper part of the slide block 6; The support assembly includes a support block 12. The support block 12 is fixedly connected to the upper part of the slide block 6. A caliper block 13 is fixedly connected to one side of the support block 12.
[0032] Manually moving the commutator segment 7 drives the clamping block 5 and the slide block 6 to move. The slide block 6 is inserted into the sliding groove 2. At the same time, the clamping block 5 slides inside the clamping groove 3. The clamping block 11 is inserted into the groove 4 to fix the commutator segment 7, which plays a role in improving the overall assembly efficiency of the device.
[0033] Refer to Figure 1 、 Figure 2 、 Figure 4, a reinforcing layer 14 is provided outside the commutator segment 7, a reinforcing component is provided outside the reinforcing layer 14, and a wear-resistant layer 17 is provided outside the reinforcing component; the reinforcing component includes a high-temperature resistant layer 15 which is provided outside the reinforcing layer 14, and a corrosion-resistant layer 16 is provided outside the high-temperature resistant layer 15.
[0034] The commutator segment 7 has extremely high tensile strength, anti-twisting and anti-bending capabilities through the provided reinforcing layer 14, the commutator segment 7 has high-temperature stability through the provided high-temperature resistant layer 15, the commutator segment 7 is protected from moisture and other corrosive environments through the provided corrosion-resistant layer 16, and the wear-resistant layer 17 provided strengthens the wear resistance of the commutator segment 7, playing a role in enabling the device to provide reliable and safe performance in a high-stress environment.
[0035] Refer to Figure 2 , Figure 3 , Figure 4 , one end of the spring 10 is fixedly connected inside the placement groove 8, and the other end of the spring 10 is fixedly connected to the side away from the latch 11; the sliding groove 2 communicates with the clamping groove 3; a wear-resistant layer 17 is provided outside the corrosion-resistant layer 16; a slider 6 is slidably connected inside the sliding groove 2.
[0036] One end of the spring 10 is fixedly connected inside the placement groove 8, and the other end of the spring 10 is fixedly connected to the side away from the latch 11, playing a role in driving the latch 11 to rebound; the sliding groove 2 communicates with the clamping groove 3, playing a role in supporting and fixing the commutator segment 7; a wear-resistant layer 17 is provided outside the corrosion-resistant layer 16, playing a role in strengthening the wear resistance of the commutator segment 7; a slider 6 is slidably connected inside the sliding groove 2, playing a role in fixing the commutator segment 7.
[0037] Working principle: When using this device, manually move the commutator segment 7. The movement of the commutator segment 7 drives the clamping block 5 and the slider 6 to move. Insert the slider 6 into the inside of the sliding groove 2. At the same time, the clamping block 5 slides inside the clamping groove 3. When it moves to a suitable position, the latch 11 is inserted into the groove 4 to fix the commutator segment 7, achieving the improvement of the overall assembly efficiency of the device and strengthening the practicability of the device; through the provided reinforcing layer 14, the commutator segment 7 has extremely high tensile strength, anti-twisting and anti-bending capabilities, ensuring that it is not easily deformed in heavy-load and high-stress environments. The provided high-temperature resistant layer 15 enables the commutator segment 7 to have high-temperature stability, avoiding deformation due to thermal expansion or long-term exposure to high-temperature environments. The provided corrosion-resistant layer 16 protects the commutator segment 7 from moisture and other corrosive environments, preventing rust and corrosion. The provided wear-resistant layer 17 strengthens the wear resistance of the commutator segment 7, achieving the ability to enable the device to provide reliable and safe performance in a high-stress environment and extending its service life.
[0038] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A firm hook-shaped commutator, comprising an inner sleeve (1), characterized in that: The outer part of the inner sleeve (1) is provided with evenly distributed sliding grooves (2). One side of the sliding groove (2) is provided with a clamping groove (3). Both sides of the sliding groove (2) are provided with grooves (4). A clamping block (5) is slidably connected inside the clamping groove (3). One side of the clamping block (5) is fixedly connected with a slider (6). One side of the slider (6) is fixedly connected with a commutator piece (7). Both sides of the slider (6) are provided with placing grooves (8). An expansion rod (9) is fixedly connected inside the placing groove (8). A spring (10) is sleeved outside the expansion rod (9). The output end of the expansion rod (9) is fixedly connected with a clamping block (11). The clamping block (11) is slidably connected inside the groove (4). A support assembly is fixedly connected to the upper part of the slider (6).
2. The firm hook-shaped commutator according to claim 1, characterized in that: The support assembly includes a support block (12). The support block (12) is fixedly connected to the upper part of the slider (6). One side of the support block (12) is fixedly connected with a caliper block (13).
3. A firm hook-shaped commutator according to claim 1, characterized in that: An enhancement layer (14) is arranged outside the commutator piece (7). A reinforcement assembly is arranged outside the enhancement layer (14). A wear-resistant layer (17) is arranged outside the reinforcement assembly.
4. The robust hook-shaped commutator according to claim 3, wherein: The reinforcement assembly includes a high-temperature resistant layer (15). The high-temperature resistant layer (15) is arranged outside the enhancement layer (14). A corrosion-resistant layer (16) is arranged outside the high-temperature resistant layer (15).
5. A firm hook-shaped commutator according to claim 1, characterized in that: One end of the spring (10) is fixedly connected inside the placing groove (8). The other end of the spring (10) is fixedly connected to the side away from the clamping block (11).
6. A firm hook-shaped commutator according to claim 1, characterized in that: The sliding groove (2) and the clamping groove (3) are communicated with each other.
7. A firm hook-shaped commutator according to claim 4, characterized in that: A wear-resistant layer (17) is arranged outside the corrosion-resistant layer (16).
8. A firm hook-shaped commutator according to claim 1, characterized in that: A slider (6) is slidably connected inside the sliding groove (2).