Coreless motor with good protection performance
By designing a contactless enclosure protection mechanism, the problem of the lack of buffering device of the existing hollow cup motor protection mechanism is solved, and the effect of effectively absorbing and dispersing impact forces is achieved, protecting internal precision components and reducing the risk of wear caused by vibration.
Patent Information
- Application Number
- CN202421745896.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-23
AI Technical Summary
The protective mechanism of the existing hollow cup motor is fixedly connected to the outer wall, lacking a buffering device, and cannot effectively absorb and disperse the impact force, resulting in easy damage to the internal precision components.
A contactless enclosure protection mechanism is designed, and an overhead enclosure is formed to absorb and disperse the impact force by a protective mechanism rotating in the connecting column expanding or shrinking synchronously on the outer surface of the hollow cup motor body.
It significantly reduces the impact of impact force on the precision components of the hollow cup motor inside, protects the motor from damage, and reduces the impact of external vibration on the motor, reducing the risk of wear and performance degradation caused by vibration.
Smart Images

Figure CN222827082U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coreless cup motors, in particular to a coreless cup motor with good protection performance. Background Art
[0002] The coreless motor is a DC permanent magnet servo and control motor. It has outstanding energy-saving characteristics, sensitive and convenient control characteristics, and stable operation characteristics. Its technological advancement is very obvious. It is a highly efficient energy conversion device. The coreless motor needs to have good protection characteristics during use, which can effectively avoid damage to the coreless motor during use.
[0003] For example, the patent with the national authorized patent announcement number CN216794744U discloses a hollow cup motor with good protection performance, which relates to the technical field of hollow cup motor structure, in order to solve the problem that the existing hollow cup motor has poor protection performance and cannot play a good protective role, so that the hollow cup motor is easily damaged during use. A limited end is provided at one end of the hollow cup motor housing, a rotating shaft is provided on one side of the limited end, a fixing groove is provided inside one end of the hollow cup motor housing, a sealing end cover is installed on one side of the hollow cup motor housing, a fixing seat is provided at one end of the sealing end cover, an installation groove is provided inside the hollow cup motor housing, a buffer seat is installed on one side of the inner wall of the installation groove, a limited seat is provided at one end of the buffer seat, heat dissipation fins are provided on both sides of the outer wall of the hollow cup motor housing, and a connecting wire is installed on one side of the sealing end cover.
[0004] However, the protective mechanism of the hollow cup motor with good protection performance is fixedly connected to the outer wall of the hollow cup motor. When the hollow cup motor is hit, the collision force will be transmitted to the inside of the hollow cup motor, which will cause damage to the internal precision components, especially the hollow rotor and coil parts. The strong collision force will also cause deformation or breakage. This structure fixedly connected to the outer wall of the hollow cup motor lacks a buffer device and cannot effectively absorb and disperse the collision force. Utility Model Content
[0005] The purpose of the utility model is to provide a hollow cup motor with good protective performance to solve the problem that the structure fixedly connected to the outer wall of the hollow cup motor proposed in the above-mentioned background technology lacks a buffer device and cannot effectively absorb and disperse the collision force. If it is subjected to a strong collision force, it will cause the collision force to be transmitted to the inside of the hollow cup motor.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A hollow cup motor with good protection performance comprises: a connecting column, a protective mechanism is slidably installed on the outer surface of the connecting column, a hollow cup motor body is fixedly installed on one end of the connecting column and is surrounded by the protective mechanism, and the protective mechanism can rotate in the connecting column to synchronously expand or contract the outer surface of the hollow cup motor body to protect it.
[0008] Preferably, the protective mechanism comprises a threaded column, the threaded column is threadedly installed in a threaded groove, the threaded groove starts at one end of the connecting column, a pushing column is rotatably installed at one end of the threaded column, the pushing column is slidably installed in a guide groove, the guide groove starts at one end of the connecting column and is connected to the threaded groove, four groups of rotating grooves are opened on the outer surface of the pushing column, a connecting arm is rotatably installed in the rotating groove, the connecting arm slides from the swing groove to the outer surface of the connecting column, the swing groove starts in the connecting column and is connected to the guide groove;
[0009] A docking block is rotatably installed in the connecting arm at the outer end of the connecting column, and a protective plate is fixedly installed at one end of the docking block. The protective plate is suspended on the outer surface of the hollow cup motor body through the support of the connecting arm.
[0010] Preferably, a guide rail rod is fixedly installed in the enclosure plate, and the guide rail rod is slidably installed in a guide rail groove, and the guide rail groove starts from the outer surface of the connecting column.
[0011] Preferably, the enclosure plate slides in the guide rail groove through the guide rail rod, so that the enclosure plate can be vertical when being supported or retracted by the connecting arm.
[0012] Preferably, a handle is slidably inserted into the threaded column.
[0013] Preferably, a pin is slidably inserted into the handle, and the pin can pass through the handle and be inserted into a damping plug-in hole, and the plug-in hole is opened at one end of the connecting column.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. Through the design of the coreless motor body and the protective mechanism, when in use, the staff can rotate the protective mechanism in the connecting column according to the installation scene and placement space, and the rotating protective mechanism will expand outward synchronously with the support of the coreless motor body until it expands to the direct size required by the staff and stops. The protective mechanism is in an overhead shape and surrounds the outer surface of the coreless motor body. This non-contact sleeve protection does not have direct contact with the coreless motor body, so that the external collision force will not be directly transmitted to the coreless motor body, but will be first dispersed and absorbed by the overhead protective mechanism, which can significantly reduce the impact of the collision force on the internal precision parts of the coreless motor body, protect the coreless motor body from damage, and the non-contact design can also reduce the transmission of external vibration to the coreless motor body, reducing the risk of wear and performance degradation caused by vibration;
[0016] The expansion diameter of the protective mechanism on the outer surface of the hollow cup motor body can be adjusted according to the installation space, so that the staff can adjust the diameter of the protective mechanism according to the actual space conditions of the installation environment to adapt it to installation spaces of various sizes.
[0017] 2. Through the design of the threaded column, the pushing column, the connecting arm, the enclosure plate and the guide rail rod, when in use, the staff can drive the threaded column to screw into the threaded groove by rotating the handle, and the threaded column screwed into the threaded groove will drive the pushing column to slide in the guide groove together, and the pushed pushing column will push the internally rotatably installed connecting arm through the rotating groove opened on the outer surface to rotate the inclination, and the other end of the connecting arm is rotatably installed on the outer surface of the docking block of the enclosure plate, so that the pushed connecting arm can push the enclosure plate to drive the guide rail rod fixedly installed in the inner arc surface to be pulled out from the guide rail groove, thereby achieving the function of pushing and expanding the enclosure plate, and can make the enclosure plate expand synchronously from the outer surface of the hollow cup motor body, so that the enclosure plate frame is hollow and surrounds the outer surface of the hollow cup motor body to exert protection, and this non-contact design can make the outer surface of the motor have more opportunities to contact the air, which can increase the heat dissipation effect and avoid poor heat dissipation caused by direct contact with the protective frame;
[0018] The expansion size of the enclosure plate is controlled by the distance that the thread of the threaded column is screwed into the threaded groove, so that the staff can freely adjust it according to the size of the installation space. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of the hollow cup motor with good protection performance of the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the hollow cup motor body of the utility model;
[0021] Figure 3 It is a structural schematic diagram of the thread groove and the guide groove of the utility model;
[0022] Figure 4 It is a structural schematic diagram of the swing groove and the guide groove of the utility model;
[0023] Figure 5 This is a schematic diagram of the protection mechanism structure of the utility model;
[0024] Figure 6 It is a schematic structural diagram of the threaded column and the pushing column of the utility model.
[0025] In the figure: 1. connecting column; 101. swinging groove; 102. plug-in hole; 103. threaded groove; 104. guide groove; 105. guide rail groove; 2. protection mechanism; 201. threaded column; 202. handle; 203. pin; 204. pushing column; 205. rotating groove; 206. connecting arm; 207. protective plate; 208. docking block; 209. guide rail rod; 3. hollow cup motor body. DETAILED DESCRIPTION
[0026] 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.
[0027] See also Figure 1-Figure 6 , this embodiment provides the following technical solutions:
[0028] like Figure 1-Figure 3 As shown, a hollow cup motor with good protection performance includes: a connecting column 1, a protective mechanism 2 is slidably installed on the outer surface of the connecting column 1, a hollow cup motor body 3 is fixedly installed at one end of the connecting column 1 and is surrounded by the protective mechanism 2, and the protective mechanism 2 can rotate in the connecting column 1 so that it can expand or contract synchronously on the outer surface of the hollow cup motor body 3 to provide surrounding protection.
[0029] Through the design of the hollow cup motor body 3 and the protective mechanism 2, when in use, the staff can rotate the protective mechanism 2 in the connecting column 1 according to the installation scene and the placement space, and the rotating protective mechanism 2 will expand outward synchronously with the support of the hollow cup motor body 3 until it expands to the direct size required by the staff and stops. The protective mechanism 2 is in an overhead shape and surrounds the outer surface of the hollow cup motor body 3. This non-contact surrounding sleeve protection does not have direct contact with the hollow cup motor body 3, so that the external collision force will not be directly transmitted to the hollow cup motor body 3, but will be first dispersed and absorbed by the overhead protective mechanism 2, which can significantly reduce the impact of the collision force on the internal precision parts of the hollow cup motor body 3, protect the hollow cup motor body 3 from damage, and the non-contact design can also reduce the transmission of external vibration to the hollow cup motor body 3, reducing the risk of wear and performance degradation caused by vibration;
[0030] The expansion diameter of the protection mechanism 2 on the outer surface of the hollow cup motor body 3 can be adjusted according to the installation space, so that the staff can adjust the diameter of the protection mechanism 2 according to the actual space conditions of the installation environment to adapt to installation spaces of various sizes.
[0031] like Figure 4-Figure 6 As shown, the protection mechanism 2 includes a threaded column 201, which is threadedly installed in the thread groove 103, the thread groove 103 starts at one end of the connecting column 1, and a push column 204 is rotatably installed at one end of the threaded column 201. The push column 204 is slidably installed in the guide groove 104, and the guide groove 104 starts at one end of the connecting column 1 and is connected to the thread groove 103. Four groups of rotating grooves 205 are opened on the outer surface of the pushing column 204, and a connecting arm 206 is rotatably installed in the rotating groove 205. The connecting arm 206 slides from the swing groove 101 to the outer surface of the connecting column 1, and the swing groove 101 starts in the connecting column 1 and is connected to the guide groove 104;
[0032] A docking block 208 is rotatably mounted in a connecting arm 206 at the outer end of the connecting column 1 , and a protective plate 207 is fixedly mounted on one end of the docking block 208 . The protective plate 207 is suspended on the outer surface of the hollow cup motor body 3 through the support of the connecting arm 206 .
[0033] A guide rail rod 209 is fixedly installed in the enclosure plate 207 , and the guide rail rod 209 is slidably installed in the guide rail groove 105 , and the guide rail groove 105 starts from the outer surface of the connecting column 1 .
[0034] The enclosure plate 207 slides within the guide rail groove 105 through the guide rail rod 209, so that the enclosure plate 207 can be vertical when being supported or retracted by the connecting arm 206.
[0035] A handle 202 is slidably inserted into the threaded column 201 .
[0036] A pin 203 is slidably inserted into the handle 202 . The pin 203 can penetrate the handle 202 and be inserted into the plug-in hole 102 in a damping manner. The plug-in hole 102 is provided at one end of the connecting column 1 .
[0037] Through the design of the threaded column 201, the push column 204, the connecting arm 206, the enclosure plate 207 and the guide rail rod 209, when in use, the staff can drive the threaded column 201 to be screwed into the thread groove 103 by rotating the handle 202, and the threaded column 201 screwed into the thread groove 103 will drive the pushing column 204 to slide in the guide groove 104, and the pushed pushing column 204 will push the internally rotatably installed connecting arm 206 through the rotation groove 205 opened on the outer surface to rotate the inclination, and the other end of the connecting arm 206 is a docking block 208 rotatably installed on the enclosure plate 207 The outer surface of the hollow cup motor body 3 is formed by the outer surface of the hollow cup motor body 3, and the pushed connecting arm 206 pushes the enclosure plate 207 to drive the guide rail rod 209 fixedly installed in the inner arc surface to be pulled out from the guide rail groove 105, thereby achieving the function of pushing and expanding the enclosure plate 207, and the enclosure plate 207 can be expanded synchronously from the outer surface of the hollow cup motor body 3, so that the enclosure plate 207 is suspended and sheathed on the outer surface of the hollow cup motor body 3 to exert a protective effect, and this non-contact design can make the outer surface of the motor have more opportunities to contact the air, which can increase the heat dissipation effect and avoid poor heat dissipation caused by direct contact with the protective frame;
[0038] The expansion size of the enclosure plate 207 is controlled by the distance that the thread of the threaded column 201 is screwed into the threaded groove 103, so that the staff can freely adjust it according to the size of the installation space.
[0039] The working steps of this scheme are summarized and sorted out according to the above technical scheme: when in use, the staff can rotate the handle 202 to drive the threaded column 201 to screw into the thread groove 103 according to the installation scene and placement space, and the threaded column 201 screwed into the thread groove 103 will drive the pushing column 204 to slide in the guide groove 104, and the pushed pushing column 204 will push the internally rotatably installed connecting arm 206 through the rotating groove 205 opened on the outer surface to rotate the inclination, and the other end of the connecting arm 206 is rotatably installed on the outer surface of the docking block 208 of the protective plate 207, so that the pushed connecting arm 206 pushes the protective plate 207 to drive the guide rail rod 20 fixedly installed in the inner arc surface 9 is pulled out from the guide groove 105, thereby achieving the function of pushing and expanding the enclosure plate 207, which can make the enclosure plate 207 expand synchronously from the outer surface of the hollow cup motor body 3, so that the enclosure plate 207 is suspended and sleeved on the outer surface of the hollow cup motor body 3 to provide protection, and the expansion size of the enclosure plate 207 is controlled by the distance that the thread of the threaded column 201 is screwed into the thread groove 103, so that the staff can freely adjust it according to the size of the installation space, and then the staff can use the pin 203 to penetrate the handle 202 into the plug hole 102, thereby achieving the rotation of the handle 202. The rotation of the handle 202 is limited, that is, the operation of protecting the hollow cup motor body 3 is completed.
[0040] In summary: the protective plate 207 is suspended around the outer surface of the coreless motor body 3, and this non-contact protective sleeve has no direct contact with the coreless motor body 3, so that the external collision force will not be directly transmitted to the coreless motor body 3, but will be first dispersed and absorbed by the suspended protective plate 207, which can significantly reduce the impact of the collision force on the precision components inside the coreless motor body 3 and protect the coreless motor body 3 from damage.
[0041] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.
Claims
1. A coreless motor with good protection performance, characterized in that: include: A connecting column (1) is provided with a protective mechanism (2) slidably mounted on the outer surface of the connecting column (1); a coreless motor body (3) is fixedly mounted on one end of the connecting column (1) and is surrounded by the protective mechanism (2); the protective mechanism (2) can rotate within the connecting column (1) so as to provide a protective enclosure that expands or contracts synchronously with the outer surface of the coreless motor body (3).
2. A coreless motor with good protection performance according to claim 1, characterized in that: The protection mechanism (2) comprises a threaded column (201), the threaded column (201) is threadedly installed in a threaded groove (103), the threaded groove (103) starts at one end of the connecting column (1), a pushing column (204) is rotatably installed at one end of the threaded column (201), the pushing column (204) is slidably installed in a guide groove (104), the guide groove (104) starts at one end of the connecting column (1) and is connected to the threaded groove (103), four groups of rotating grooves (205) are opened on the outer surface of the pushing column (204), a connecting arm (206) is rotatably installed in the rotating groove (205), the connecting arm (206) slides from the swing groove (101) to the outer surface of the connecting column (1), the swing groove (101) starts in the connecting column (1) and is connected to the guide groove (104); A docking block (208) is rotatably mounted in a connecting arm (206) at the outer end of the connecting column (1), and a protective plate (207) is fixedly mounted on one end of the docking block (208). The protective plate (207) is suspended on the outer surface of the hollow cup motor body (3) through the support of the connecting arm (206).
3. A coreless motor with good protection performance according to claim 2, characterized in that: A guide rail rod (209) is fixedly installed in the enclosure plate (207), and the guide rail rod (209) is slidably installed in the guide rail groove (105), and the guide rail groove (105) starts from the outer surface of the connecting column (1).
4. A coreless motor with good protection performance according to claim 3, characterized in that: The enclosure plate (207) is limitedly slid in the guide rail groove (105) by the guide rail rod (209), so that the enclosure plate (207) can be in a vertical state during the process of being supported or retracted by the connecting arm (206).
5. A coreless motor with good protection performance according to claim 2, characterized in that: A handle (202) is slidably inserted into the threaded column (201).
6. A coreless motor with good protection performance according to claim 5, characterized in that: A pin (203) is slidably inserted into the handle (202), and the pin (203) can penetrate the handle (202) in a damping manner and be inserted into the plug-in hole (102). The plug-in hole (102) is provided at one end of the connecting column (1).