Stable assembly type motor end cover
By setting a fixing sleeve on the outside of the bearing and a locking rod on the inside of the end cover, combined with a fastening screw and a rotating shaft, the problem of inconvenient disassembly and assembly of the motor end cover is solved, achieving stable rotation and convenient disassembly, and improving the installation efficiency and connection firmness of the motor.
Patent Information
- Application Number
- CN202422846857.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The existing method of fixing the motor end cover and bearing makes disassembly and assembly inconvenient and may affect the rotational stability between the rotor and the end cover.
A fixing sleeve is installed on the outside of the bearing, and a locking rod is installed on the inside of the end cover. The locking is achieved through the positioning groove. Combined with the design of the fastening screw and the rotating shaft, a stable connection and easy disassembly between the end cover and the motor are ensured.
This design enables stable rotation and easy assembly/disassembly between the motor end cover and the bearing, avoiding damage to parts during assembly/disassembly and improving installation efficiency and connection strength.
Smart Images

Figure CN223472124U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a motor end cover, concretely is a kind of stable assembly type motor end cover, belong to motor technical field. BACKGROUND
[0002] Motor end cover is a component part of common motor, for providing sealing effect to motor whole, and rotate through bearing and rotor, provide the support effect of rotation for rotor, simultaneously for installing brush and other components, to ensure the accurate installation of rotor, motor end cover needs to have certain accuracy when producing and manufacturing, simultaneously installation needs to be firm enough, guarantee the normal operation of motor.
[0003] The bearing of the existing motor end cover and middle part is usually fixed, and in order to make the bearing rotate fully, the inner ring of the bearing and the end part of the rotor also need to be fixed, so that it is inconvenient to disassemble and assemble the motor end cover, and if the fixing strength between the bearing and the rotor is too large, the rotation between the rotor and the end cover may be affected during disassembly. SUMMARY
[0004] The utility model discloses a stable assembly type motor end cover is provided to solve the above problems, by the fixed sleeve with positioning slot on the outside of bearing, when connecting between bearing and motor end cover, the clamping rod in the inside of motor end cover will be clamped between fixed sleeve, to ensure that motor rotor rotates stably between bearing and end cover, and when disassembling between end cover and motor, the end cover can be quickly removed by only removing the clamping state between clamping rod and fixed sleeve.
[0005] The utility model discloses a stable assembly type motor end cover, including end cover body, the middle part of end cover body is equipped with connecting structure, the connecting structure includes bearing, the inside of end cover body is equipped with bearing, the outside of bearing is fixedly connected with fixed sleeve, the side surface of fixed sleeve is equipped with a plurality of positioning slots, the inside of end cover is slidably connected with a plurality of clamping rods, the end of clamping rod is clamped between positioning slot and fixed sleeve, the side surface of end cover body is equipped with stabilizing structure.
[0006] Preferably, the side surface of the end cover body is provided with a plurality of threaded holes, and the end cover body is threadedly connected with a fastening screw through the threaded holes.
[0007] Preferably, the fastening screw is sleeved with a pad, and the pad is arranged on the inside of the threaded hole.
[0008] Preferably, a first spring is fixedly connected between the clamping rod and the end cover body, one end of the clamping rod away from the bearing is in a beveled structure, and the bottom side of the pad abuts against the beveled end of the clamping rod.
[0009] Preferably, the stable structure comprises rotating shafts, the side surface of the end cover body is rotatably connected with the rotating shafts, and the rotating shafts are arranged on one side of the fastening screw.
[0010] Preferably, the end of the rotating shaft is fixedly connected with a second spring between the end cover body, and the side surface of the rotating shaft is fixedly connected with a baffle.
[0011] Preferably, the end cover body is provided with a limiting groove, and the baffle is clamped between the limiting groove and the end cover body.
[0012] Preferably, the inner side of the end cover body is provided with a plurality of abutting rods, and the plurality of abutting rods are arranged in a rectangular shape.
[0013] Preferably, the abutting rod is slidably connected with the end cover body, and the end of the abutting rod is fixedly connected with a third spring between the end cover body.
[0014] The end cover body and the motor are installed and fixed after the fixing between the bearing and the rotor is completed, the inner side of the end cover body is provided with the clamping rod, the end of the clamping rod is clamped between the positioning groove and the fixing sleeve, at this time, the rotor can stably rotate between the bearing and the end cover body, and when the end cover body is disassembled, the clamping rod and the fixing sleeve are clamped, the end cover body can be quickly disassembled after the clamping state between the clamping rod and the fixing sleeve is released, and damage to parts during disassembly is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic view of the overall structure of the utility model;
[0016] Figure 2 It is a schematic view of the connection structure of the end cover body and the rotating shaft shown in the figure; Figure 1
[0017] It is a schematic view of the connection structure of the end cover body and the fastening screw shown in the figure; Figure 3 Figure 1 It is a schematic view of the enlarged structure of part A shown in the figure;
[0018] Figure 4 Figure 3 It is a schematic view of the enlarged structure of part B shown in the figure;
[0019] Figure 5 It is a schematic view of the structure of the end cover body shown in the figure. Figure 3
[0020] Figure 6 It is a schematic view of the structure of the end cover body shown in the figure. Figure 1
[0021] In the figure: 1. end cover body; 2. connecting structure; 201. bearing; 202. fixing sleeve; 203. fastening screw; 204. threaded hole; 205. positioning groove; 206. engaging rod; 207. first spring; 208. pad; 3. stabilizing structure; 301. rotating shaft; 302. baffle; 303. second spring; 304. limiting groove; 305. contact rod; 306. third spring. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figures 1-6 As shown, a stable assembly type motor end cover includes an end cover body 1, a connecting structure 2 is provided in the middle of the end cover body 1, and the connecting structure 2 includes a bearing 201. A bearing 201 is provided on the inner side of the end cover body 1, and a fixing sleeve 202 is fixedly connected to the outer side of the bearing 201. A plurality of positioning grooves 205 are provided on the side of the fixing sleeve 202. A plurality of locking rods 206 are slidably connected to the inner side of the end cover, and the ends of the locking rods 206 are engaged with the fixing sleeve 202 through the positioning grooves 205. A stabilizing structure 3 is provided on the side of the end cover body 1.
[0024] As a technical optimization solution of the present invention, a plurality of threaded holes 204 are provided on the side of the end cover body 1, and the end cover body 1 is threadedly connected to a fastening screw 203 through the threaded hole 204, and a pad 208 is sleeved on the fastening screw 203, and the pad 208 is arranged on the inner side of the threaded hole 204. A first spring 207 is fixedly connected between the locking rod 206 and the end cover body 1, and the end of the locking rod 206 away from the bearing 201 has an inclined structure, and the bottom side of the pad 208 conflicts with the inclined end of the locking rod 206. In order to further facilitate the control of the connection state between the end cover body 1 and the bearing 201, a first spring 207 is connected between the locking rod 206 and the end cover body 1, and the first spring 207 will push the locking rod 206 puts it in a retracted state. When installing the end cover body 1, it needs to be connected and fixed between the fastening screw 203 on the side of the end cover body 1 and the motor body. After the user tightens multiple fastening screws 203 through the threaded holes 204 and completes the connection with the motor body, the end of the fastening screw 203 will push the pad 208 on the bottom side until the pad 208 pushes the locking rod 206 to slide inward through the inclined structure at the end of the locking rod 206, thereby completing the locking between the locking rod 206 and the fixing sleeve 202. At this time, the installation of the end cover body 1 is completed. During disassembly, after the fixing screw is unscrewed from the threaded hole 204, the first spring 207 will push the locking rod 206 out, and the end cover body 1 can be disassembled at this time.
[0025] As a technical optimization scheme of the utility model, the stabilizing structure 3 includes a rotating shaft 301, a plurality of rotating shafts 301 are rotatably connected to the side surface of the end cover body 1, the rotating shaft 301 is arranged on one side of the fastening screw 203, a second spring 303 is fixedly connected between the end of the rotating shaft 301 and the end cover body 1, a baffle 302 is fixedly connected to the side surface of the rotating shaft 301, a limiting groove 304 is formed in the end cover body 1, the baffle 302 is clamped between the end cover body 1 and the limiting groove 304, after the end cover body 1 and the motor body are connected by the fastening screw 203, the fastening screw 203 fixed in the threaded mode is prone to loosening after long-term use due to the vibration of the motor during operation, in order to ensure the connection firmness between the end cover body 1 and the motor body, after the fastening screw 203 is tightened, the user can rotate the rotating shaft 301 on one side of the fastening screw 203, so that the baffle 302 on the side surface of the rotating shaft 301 is rotated to the top side of the fastening screw 203, thereby preventing the fastening screw 203 from falling off due to loosening, meanwhile, the second spring 303 on the bottom side of the rotating shaft 301 can have the effect of a torsion spring, which is convenient to use, and in order to facilitate the installation of the fastening screw 203, the user can rotate the rotating shaft 301 so that the baffle 302 is clamped between the end cover body 1 and the limiting groove 304, thereby avoiding blocking the threaded hole 204, a plurality of abutting rods 305 are arranged on the inner side of the end cover body 1, the plurality of abutting rods 305 are arranged in a rectangular shape, the abutting rod 305 is slidably connected to the end cover body 1, a third spring 306 is fixedly connected between the end of the abutting rod 305 and the end cover body 1, in order to further facilitate the installation of the end cover body 1, the inner side of the end cover body 1 is provided with the abutting rod 305, the abutting rod 305 can be used to support the inner side of the motor body, which is convenient for position calibration between the end cover body 1 and the motor body, and improves the installation efficiency.
[0026] The utility model discloses a first, the middle part of the end cover body 1 is equipped with the bearing 201 between fixed with the rotor, in order to facilitate the dismounting between end cover body 1 and motor main part, the outside of bearing 201 is equipped with fixed sleeve 202, after completing the fixed between bearing 201 and rotor, install and fix with motor, and the inside of end cover body 1 is equipped with the clamping rod 206, the end of clamping rod 206 is clamped between positioning slot 205 and fixed sleeve 202, at this moment, the rotor can be stably rotated between bearing 201 and end cover body 1, and when dismounting end cover body 1, then can quickly unload end cover body 1 after the clamping state between clamping rod 206 and fixed sleeve 202 is released, avoid damaging parts when dismounting, in order to further facilitate the connecting state between end cover body 1 and bearing 201, the first spring 207 is connected between clamping rod 206 and end cover body 1, the first spring 207 will push clamping rod 206 and make it be in the shrinkage state, when installing end cover body 1, need through the fastening screw rod 203 of end cover body 1 side and the connecting fixed between motor main part, after the user respectively fastens a plurality of fastening screw rod 203 through threaded hole 204 and completes the connection between motor main part, the end of fastening screw rod 203 will push the pad 208 of bottom side, until pad 208 pushes clamping rod 206 to slide inwards through the inclined plane structure of clamping rod 206 end, and then makes the clamping between clamping rod 206 and fixed sleeve 202 complete, at this moment, the installation of end cover body 1 is completed, and when dismounting, after fixed screw is screwed out from threaded hole 204, the first spring 207 will push clamping rod 206 out, at this moment, the dismounting of end cover body 1 can be carried out, after connecting end cover body 1 and motor main part through fastening screw rod 203, because motor will vibrate when working, make the fastening screw rod 203 fixed in threaded mode easy to produce loosening after long-term use, in order to guarantee the connecting firmness between end cover body 1 and motor main part, after completing the fastening of fastening screw rod 203, the user can rotate rotating shaft 301 located at one side of fastening screw rod 203, make the baffle 302 of rotating shaft 301 side rotates to the top side of fastening screw rod 203, and then prevent the falling phenomenon of fastening screw rod 203 due to loosening, and the second spring 303 of rotating shaft 301 bottom side can play the effect of torsion spring, convenient to use, and in order to facilitate the installation of fastening screw rod 203, the user can rotate rotating shaft 301 and make baffle 302 be clamped between limiting slot 304 and end cover body 1, avoid blocking threaded hole 204, in order to further facilitate the installation of end cover body 1, the inside of end cover body 1 is equipped with the resistance rod 305, the resistance rod 305 can be used to support the inside part of motor main part, facilitate the position calibration between end cover body 1 and motor main part, improve installation efficiency.
[0027] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.
[0028] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.
Claims
1. A stable assembly type motor end cover comprising an end cover body (1), characterized in that: The middle part of the end cover body (1) is provided with a connecting structure (2), the connecting structure (2) comprises a bearing (201), the inner side of the end cover body (1) is provided with the bearing (201), the outer side of the bearing (201) is fixedly connected with a fixing sleeve (202), a plurality of positioning grooves (205) are formed in the side surface of the fixing sleeve (202), a plurality of clamping rods (206) are slidably connected to the inner side of the end cover, the end of the clamping rod (206) is clamped between the positioning groove (205) and the fixing sleeve (202), and the side surface of the end cover body (1) is provided with a stabilizing structure (3).
2. A stable assembled motor end shield according to claim 1, characterized in that: A plurality of threaded holes (204) are formed in the side surface of the end cover body (1), and the end cover body (1) is screwed with a fastening screw (203) through the threaded holes (204).
3. A stable assembled motor end shield according to claim 2, characterized in that: The fastening screw (203) is sleeved with a pad (208), and the pad (208) is arranged on the inner side of the threaded hole (204).
4. A stable assembled motor end shield according to claim 3, characterized in that: The clamping rod (206) and the end cover body (1) are fixedly connected with a first spring (207), one end of the clamping rod (206) away from the bearing (201) is in a bevel structure, and the bottom side of the pad (208) abuts against the bevel end of the clamping rod (206).
5. A stable assembled motor end shield according to claim 2, wherein: The stabilizing structure (3) comprises a rotating shaft (301), a plurality of rotating shafts (301) are rotatably connected to the side surface of the end cover body (1), and the rotating shaft (301) is arranged on one side of the fastening screw (203).
6. A stable assembled motor end shield according to claim 5, characterized in that: The end of the rotating shaft (301) and the end cover body (1) are fixedly connected with a second spring (303), and the side surface of the rotating shaft (301) is fixedly connected with a baffle (302).
7. A stable assembled motor end shield according to claim 6, characterized in that: A limiting groove (304) is formed in the end cover body (1), and the baffle (302) is clamped between the limiting groove (304) and the end cover body (1).
8. A stable assembled motor end shield according to claim 5, characterized in that: The inner side of the end cover body (1) is provided with a plurality of abutting rods (305), and the plurality of abutting rods (305) are arranged in a rectangular shape.
9. A stable assembled motor end shield according to claim 8, characterized in that: The abutting rod (305) and the end cover body (1) are slidably connected, and the end of the abutting rod (305) and the end cover body (1) are fixedly connected with a third spring (306).