Motor disc brake end cover

By designing a reinforcement ring, sealing gasket, bearing chamber and shock absorbing mechanism in the end cover of the motor disc brake, the problem of loose end cover caused by vibration frequency transmission in the prior art is solved, and the effect of reducing vibration frequency, preventing looseness and facilitating disassembly and assembly is achieved.

CN223019249UActive Publication Date: 2025-06-24RUIAN HUIYUE LOCOMOTIVE PARTS CO LTD
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Patent Information

Application Number
CN202422991586.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-06-24
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

When the existing motor disc brake end cover is running on the motor bearing, it is easy to cause the end cover to be vibrating due to the transmission of vibration frequency, the fixing bolts are loose, the threaded wire is deformed under stress, and it is difficult to disassemble, so it cannot achieve the best use effect.

Method used

A motor disc brake end cover is designed, adopting structures such as reinforcement ring, sealing gasket, bearing chamber and shock absorbing mechanism. By fixing the shock absorbing gasket and bearing chamber, bolts are inserted into the socket and connection holes, and threaded connection between fixing bolts and end cover body is prevented from loosening.

Benefits of technology

It effectively reduces the vibration frequency transmitted from the bearing chamber to the end cover, prevents bolts from loosening and threaded wires from deforming, and facilitates disassembly and assembles, achieving the best use effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a motor disc brake end cover which comprises an end cover body, the periphery of the outer wall of the end cover body is provided with mounting holes, the inner wall of the end cover body is provided with a reinforcing ring, the periphery of the outer wall of the reinforcing ring is provided with positioning holes, and the bottom end of the inner wall of the end cover body is provided with a sealing gasket. And a bearing chamber is arranged in the center of the inner wall of the end cover body. According to the utility model, the damping washer is sleeved on the outer wall of the bearing chamber, then the two groups of bearing sleeves are clamped, so that the damping washer and the bearing chamber abut against each other and are fixed, when the two groups of bearing sleeves are clamped, the bolts are inserted into the insertion holes and the inner walls of the connecting holes to lock the bearing sleeves, and the fixing bolts penetrate through the threaded holes to fix the bearing sleeves and the end cover body. The vibration frequency transmitted from the bearing chamber to the end cover body can be reduced during the operation of the motor bearing, the loosening of bolts for fixing the end cover and the deformation of threads on the surfaces of the bolts can be avoided as much as possible during the long-time use, and the disassembly and assembly are convenient, so that the optimal use effect is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor disc brake end covers, in particular to a motor disc brake end cover. Background Art

[0002] A motor disc brake end cover is a component used for an electric vehicle motor. Its main function is to provide a braking function. The design of the end cover improves strength by dispersing internal stress to ensure stable operation during braking. The motor disc brake end cover is widely used in electric vehicle motors. By providing a braking function, it ensures the stability and safety of the motor during operation. Its design features enable it to withstand greater stress during braking, ensuring the normal operation of the motor.

[0003] In the existing motor disc brake end cover, when the bearing of the motor runs through the end cover, the vibration frequency generated by the bearing will be transmitted to the end cover, resulting in a large vibration of the end cover body. During long-term use, it is easy to cause the bolts fixing the end cover to loosen and the threads of the bolts to be deformed under stress, making it difficult to remove during disassembly, thus failing to achieve the best use effect. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a motor disc brake end cover.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A motor disc brake end cover includes an end cover body. Installation holes are provided around the outer wall of the end cover body, and a reinforcing ring is arranged on the inner wall of the end cover body. Positioning holes are provided around the outer wall of the reinforcing ring. A sealing gasket is arranged at the bottom end of the inner wall of the end cover body, and a bearing chamber is arranged at the center of the inner wall of the end cover body. A shock absorption mechanism is arranged on the outer wall of the bearing chamber, and reinforcing ribs are fixedly connected around the outer wall of the bottom end of the bearing chamber.

[0006] As a further description of the above technical scheme: The sealing gasket is circumferentially attached to the bottom end of the inner wall of the end cover body, and the sealing gasket is made of a chloroprene member.

[0007] As a further description of the above technical scheme: The shock absorption mechanism includes a bearing sleeve. Threaded holes are provided around the outer wall of the bearing sleeve, and a fixing bolt is arranged on one side of the outer wall of the threaded hole. A shock absorption gasket is inlaid on the inner wall of the bearing sleeve, and connection holes are provided on both sides of the inner wall of the bearing sleeve. Grooves are provided on both sides of the outer wall of the bearing sleeve, and insertion holes are provided on the inner walls of the grooves.

[0008] As a further description of the above technical scheme: One end of the fixing bolt passes through the threaded hole and is fixedly connected to the end cover body. Threads are provided on both the outer wall of the fixing bolt and the inner wall of the threaded hole, and the fixing bolt is threadedly connected to the threaded hole through the threads.

[0009] As a further description of the above technical solution: The shock-absorbing washer is sleeved around the outer wall of the bearing chamber.

[0010] As a further description of the above technical solution: The connection holes correspond to the jacks when the bearing sleeves are engaged.

[0011] As a further description of the above technical solution: One end of the reinforcing rib is connected to the outer wall of the bearing chamber, and the other end of the reinforcing rib is fixedly connected to the inner wall of the reinforcing ring.

[0012] The utility model has the following beneficial effects:

[0013] Compared with the prior art, for the motor disc brake end cover, the shock-absorbing washer is sleeved on the outer wall of the bearing chamber, and then the two bearing sleeves are engaged, so that the shock-absorbing washer is pressed against the bearing chamber for fixation. When the two bearing sleeves are engaged, the bolt is inserted into the jack and the inner wall of the connection hole to lock the bearing sleeve. The bearing sleeve is fixed to the end cover body by using the fixing bolt passing through the threaded hole to prevent loosening. When the motor bearing is running, the vibration frequency transmitted from the bearing chamber to the end cover body can be reduced. During long-term use, the loosening of the bolts fixing the end cover and the deformation of the thread on the bolt surface can be avoided as much as possible, which is convenient for disassembly and assembly, so as to achieve the best use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. is a schematic rear view of a motor disc brake end cover proposed by the utility model;

[0015] Figure 2 FIG. is an enlarged view of the bottom of the end cover body proposed by the utility model;

[0016] Figure 3 FIG. is a schematic structural view of the shock-absorbing mechanism proposed by the utility model.

[0017] LEGEND DESCRIPTION:

[0018] 1. End cover body; 2. Mounting hole; 3. Reinforcing ring; 4. Positioning hole; 5. Sealing gasket; 6. Bearing chamber; 7. Shock-absorbing mechanism; 71. Bearing sleeve; 72. Threaded hole; 73. Fixing bolt; 74. Shock-absorbing washer; 75. Connection hole; 76. Groove; 77. Jack; 8. Reinforcing rib. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Referring to Figures 1-3 , a motor disc brake end cover provided by the utility model includes an end cover body 1. Mounting holes 2 are provided around the outer wall of the end cover body 1, and a reinforcing ring 3 is arranged on the inner wall of the end cover body 1. The cooperation of the reinforcing ring 3 and the reinforcing ribs 8 can disperse internal stress, improve strength, and ensure stable operation during braking. Positioning holes 4 are provided around the outer wall of the reinforcing ring 3. Installation bolts are inserted through the mounting holes 2 and the positioning holes 4 to fix the end cover body 1, the reinforcing ring 3 and the mounting hole positions of the motor. A sealing washer 5 is arranged at the bottom end of the inner wall of the end cover body 1, and a bearing chamber 6 is arranged at the center of the inner wall of the end cover body 1. A shock absorption mechanism 7 is arranged on the outer wall of the bearing chamber 6, and reinforcing ribs 8 are fixedly connected around the outer wall of the bottom end of the bearing chamber 6. The sealing washer 5 surrounds and fits the bottom end of the inner wall of the end cover body 1, and the sealing washer 5 is made of chloroprene member, with strong wear resistance and extended service life. One end of the reinforcing rib 8 is connected to the outer wall around the bearing chamber 6, and the other end of the reinforcing rib 8 is fixedly connected to the inner wall around the reinforcing ring 3.

[0021] The shock absorption mechanism 7 includes a bearing sleeve 71. Threaded holes 72 are provided around the outer wall of the bearing sleeve 71, and a fixing bolt 73 is arranged on one side of the outer wall of the threaded hole 72. A shock absorption washer 74 is inlaid on the inner wall of the bearing sleeve 71, and connection holes 75 are provided on both sides of the inner wall of the bearing sleeve 71. Grooves 76 are provided on both sides of the outer wall of the bearing sleeve 71, and insertion holes 77 are provided on the inner wall of the grooves 76. The shock absorption washer 74 is sleeved on the outer wall of the bearing chamber 6, and then the two bearing sleeves 71 are clamped together, so that the shock absorption washer 74 abuts against the bearing chamber 6 for fixation. When the two bearing sleeves 71 are clamped together, the bolt is inserted into the insertion hole 77 and the inner wall of the connection hole 75 to lock the bearing sleeve 71. The fixing bolt 73 passes through the threaded hole 72 to fix the bearing sleeve 71 to the end cover body 1 to prevent loosening. During the operation of the motor bearing, the vibration frequency transmitted from the bearing chamber 6 to the end cover body 1 can be reduced. One end of the fixing bolt 73 passes through the threaded hole 72 and is fixedly connected to the end cover body 1. Thread threads are provided on the outer wall of the fixing bolt 73 and the inner wall of the threaded hole 72, and the fixing bolt 73 is threadedly connected to the threaded hole 72 through the thread threads. The shock absorption washer 74 is sleeved around the outer wall of the bearing chamber 6, and the connection hole 75 corresponds to the insertion hole 77 when the bearing sleeves 71 are clamped together.

[0022] Working principle: Install bolts through the mounting holes 2 and positioning holes 4 to fix the end cover body 1 and the reinforcing ring 3 to the mounting hole positions of the motor. The cooperation between the reinforcing ring 3 and the reinforcing ribs 8 can disperse the internal stress, improve the strength, and ensure stable operation during braking. The shock-absorbing washer 74 is sleeved on the outer wall of the bearing chamber 6, and then the two groups of bearing sleeves 71 are engaged with each other, so that the shock-absorbing washer 74 abuts against the bearing chamber 6 for fixation. When the two groups of bearing sleeves 71 are engaged, bolts are inserted into the inner walls of the insertion holes 77 and connection holes 75 to lock the bearing sleeves 71. The bearing sleeves 71 are fixed to the end cover body 1 by using fixing bolts 73 passing through the threaded holes 72 to prevent loosening. During the operation of the motor bearing, the vibration frequency transmitted from the bearing chamber 6 to the end cover body 1 can be reduced.

[0023] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described 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 invention shall be included in the protection scope of the present invention.

Claims

1. A motor disc brake end cover, comprising an end cover body (1), characterized in that: The outer wall of the end cover body (1) is provided with mounting holes (2) all around, and the inner wall of the end cover body (1) is provided with a reinforcement ring (3), and the outer wall of the reinforcement ring (3) is provided with positioning holes (4) all around, and the bottom end of the inner wall of the end cover body (1) is provided with a sealing gasket (5), and the center of the inner wall of the end cover body (1) is provided with a bearing chamber (6), and the outer wall of the bearing chamber (6) is provided with a shock absorbing mechanism (7), and the outer wall of the bottom end of the bearing chamber (6) is fixedly connected with reinforcement ribs ( 8), the shock absorbing mechanism (7) comprises a bearing sleeve (71), the outer wall of the bearing sleeve (71) is provided with threaded holes (72) all around, and a fixing bolt (73) is arranged on one side of the outer wall of the threaded hole (72), the inner wall of the bearing sleeve (71) is inlaid with a shock absorbing washer (74), and the inner wall of the bearing sleeve (71) is provided with connecting holes (75) on both sides, the outer wall of the bearing sleeve (71) is provided with grooves (76) on both sides, and the inner wall of the groove (76) is provided with a plug hole (77).

2. The motor disc brake end cover according to claim 1, characterized in that: The sealing gasket (5) surrounds and fits the bottom end of the inner wall of the end cover body (1), and the sealing gasket (5) is made of chloroprene.

3. The motor disc brake end cover according to claim 1, characterized in that: One end of the fixing bolt (73) is provided with a threaded hole (72) and is fixedly connected to the end cover body (1); the outer wall of the fixing bolt (73) and the inner wall of the threaded hole (72) are both provided with threads, and the fixing bolt (73) is threadedly connected to the threaded hole (72) via the threads.

4. The motor disc brake end cover according to claim 1, characterized in that: The shock-absorbing washer (74) is sleeved around the outer wall of the bearing chamber (6).

5. The motor disc brake end cover according to claim 1, characterized in that: The connecting hole (75) corresponds to the insertion hole (77) when the bearing sleeve (71) is engaged.

6. The motor disc brake end cover according to claim 1, characterized in that: One end of the reinforcing rib (8) is connected to the outer wall of the bearing chamber (6) at one end, and the other end of the reinforcing rib (8) is fixedly connected to the inner wall of the reinforcing ring (3) at one end.