CN203406706U - Direct current micro motor having simplified end cap structure - Google Patents
Direct current micro motor having simplified end cap structure Download PDFInfo
- Publication number
- CN203406706U CN203406706U CN201320532969.4U CN201320532969U CN203406706U CN 203406706 U CN203406706 U CN 203406706U CN 201320532969 U CN201320532969 U CN 201320532969U CN 203406706 U CN203406706 U CN 203406706U
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- end cap
- rear end
- direct current
- carbon brush
- bearing
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Abstract
The utility model discloses a direct current micro motor having a simplified end cap structure. The direct current micro motor comprises a rotor, a magnetic tile stator, a front end cap, a rear end cap, a commutator, carbon brushes, a power supply lead wire and a motor housing. The front end cap comprises a front end cap body, a bearing and a bearing pressure plate. The rear end cap comprises a rear end cap body, a pair of carbon brush sleeves, carbon brush pressure spring installation columns, carbon brush binding posts, a power line clamp, and a power supply leading-out wire notch. Three positioning arm plates whose ends are provided with positioning holes are evenly distributed on and extended from the periphery of the front end cap body, and two screw holes are symmetrically distributed on the front end cap body. The rear end cap is plastic and integrally molded, a loop of spigot flange and two bolt holes are arranged on the rear end cap body, a spherical bearing socket, a spherical bearing and a circular bearing pressure plate are arranged in the center of the rear end cap body, the periphery of the circular bearing pressure plate is locked and pressed by bearing pressure plate buckle flanges arranged on the periphery of the spherical bearing socket, and the front end cap and the rear end cap are together fixed at the two ends of the motor housing by two bolts. The beneficial effects of the direct current micro motor having the simplified end cap structure are that: the part cost, processing cost and installation cost are low, the installation precision is improved, and the cost of a whole machine is reduced.
Description
Technical field
The utility model relates to a kind of direct current micromotor, especially a kind of direct current micromotor of simplifying end cover structure.
Background technology
In prior art, direct current micromotor comprises rotor, magnetic shoe stator and front end housing and rear end cap and commutator, also has carbon brush lid, carbon brush and power supply lead wire and motor housing, described front end housing comprises front end housing body and is arranged on bearing and the bearing plate at its center, described rear end cap is the same with the structure of front end housing, it is all metal manufacture, and carbon brush lid is a working of plastics, comprise carbon brush lid body and be arranged on a pair of carbon brush sleeve wherein and carbon brush stage clip erection column and carbon brush binding post and the power clip code on this carbon brush sleeve side, be arranged in addition the power outlet code notch at end cap edge, when motor is installed, carbon brush lid is arranged on to be installed rear end cap in the rear end of motor housing again and fixes, be the total front end housing in two ends and rear end cap and three parts of carbon brush lid of whole motor, add that motor front end also has a motor mounting rack totally four parts, and motor mounting rack comprises rack body and periphery is uniform, extend three registration arm plates, all there is mounting-positioning holes the end of described each registration arm plate, during installation, motor mounting rack and motor front end cover are linked together, as motor end portion supports, whole motor is fixedly mounted on to electrical equipment inside, because front end housing and motor mounting rack are to be respectively two parts, during installation, not only easily produce alignment error, cost of parts is also relatively high simultaneously, Motor Shaft is in order to offset the corresponding length that increased of thickness of support, the requirement on machining accuracy of motor shaft is corresponding raising also, make its material cost and processing cost also higher, thereby cause complete machine cost also corresponding higher.Rear end cap and carbon brush lid are also two individual part, the deviation likely producing during installation because of armature spindle concentricity affects carbon brush to the pressure of commutator and contact area difference, thereby make both sides carbon brush easily produce wearing and tearing in various degree, affect the life-span of motor, and make part material cost and processing cost relatively high, installation procedure is also more, also causes complete machine cost also corresponding higher.
Utility model content
It is all lower that the technical problems to be solved in the utility model is to provide a kind of cost of parts and processing and installation cost, and improved the direct current micromotor of the simplification end cover structure of installation accuracy and reduction complete machine cost.
For solving the problems of the technologies described above, the technical scheme that the utility model is simplified the direct current micromotor of end cover structure is: comprise rotor, magnetic shoe stator and front end housing and rear end cap and commutator, also have carbon brush and power supply lead wire and motor housing, described front end housing comprises front end housing body and is arranged on bearing and the bearing plate at its center, described rear end cap comprises rear end cap body and is arranged on a pair of carbon brush sleeve wherein and carbon brush stage clip erection column and carbon brush binding post and the power clip code on this carbon brush sleeve side, be arranged in addition the power outlet code notch at end cap edge, the periphery of described front end housing body is uniform extends three registration arm plates, all there is location hole the end of described each registration arm plate, on front end housing body, take near motor housing inwall is basis, symmetrical two screws in diametric(al), described rear end cap is integrally moulded, the seam flange that the periphery of described rear end cap body has a circle to coordinate with motor housing internal diameter, at the center of rear end cap body, be provided with a ball bearing nest, the uniform bearing plate button limit flange that is provided with on circumference above the edge of this ball bearing nest, in described ball bearing nest, be embedded with ball bearing, and a round bearing pressing plate is installed on ball bearing at this, the periphery of described round bearing pressing plate is being pressed by bearing plate button limit flange lock, on rear end cap body, take near motor housing inwall is basis, symmetrical two bolts hole in diametric(al), also have two support bolts respectively through two side clearances between two blocks of magnetic shoes of magnetic shoe stator, by bolt hole, with screw, front end housing is fixed on together with rear end cap to the two ends of motor housing.
As one of optimal technical scheme of the present utility model, be: described location hole offers breach in registration arm plate end position.
As two of optimal technical scheme of the present utility model, be: each described screw is to being equipped with a boss of bearing plate one side projection on front end housing body, and described screw penetrates boss.
As three of optimal technical scheme of the present utility model, be: described bearing plate button limit flange is a kind of triangular flanges, and wherein in the above, plane is in bottom surface on triangle inclined-plane.
As four of optimal technical scheme of the present utility model, be: each described bolt hole is to there being a bolt convex of carbon brush sleeve one side projection on rear end cap body, and described bolt hole penetrates bolt convex.
As five of optimal technical scheme of the present utility model, be: described rear end cap body neighboring is distributed with reinforcement, this reinforcement is connected between seam flange and rear end cap body neighboring.
The beneficial effects of the utility model are:
Because the utility model merges front end housing and mounting bracket, form integral structure, be arranged on direct current micromotor, not only can avoid two parts in prior art that the accumulated error producing is installed by the accurate installation of motor, simultaneously because reduced by a part, make also corresponding shortening of Motor Shaft, cost of parts and processing and installation cost are all lower, and have improved installation accuracy and reduced complete machine cost, rear end cap and carbon brush holder are merged, form integrated injection molding structure, when round bearing pressing plate is pressed on ball bearing simultaneously, its periphery is being pressed by bearing plate button limit flange lock, can more effectively prevent from affecting motor performance because round bearing pressing plate comes off, be arranged on direct current micromotor, can pass through the accurate installation of motor, the deviation of having avoided in prior art two parts likely to produce when mounted because of armature spindle concentricity affects carbon brush to the pressure of commutator and contact area difference, thereby guaranteed that both sides carbon brush has the loss of equal extent, extended the life-span of motor.Reduced by a part simultaneously, and adopted integrally mouldedly, so it is all lower to have the utlity model has cost of parts and processing and installation cost, and has improved installation accuracy and reduced the beneficial effect of complete machine cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the direct current micromotor of simplification end cover structure of the present utility model is described in more detail.
Fig. 1 is the three-dimensional view that the utility model is simplified the direct current micromotor demonstration front end housing of end cover structure.
Fig. 2 is the three-dimensional view that the utility model is simplified the direct current micromotor demonstration rear end cap of end cover structure.
Fig. 3 is the front view that the utility model is simplified front end housing in the direct current micromotor of end cover structure.
Fig. 4 is the rearview of Fig. 3.
Fig. 5 is the front view that the utility model is simplified front end housing body in the direct current micromotor of end cover structure.
Fig. 6 is the rearview of Fig. 5.
Fig. 7 is that the A-A of Fig. 3 is to cutaway view Amplified image.
Fig. 8 is that the B-B of Fig. 5 is to cutaway view Amplified image.
Fig. 9 is the front view that the utility model is simplified rear end cap in the direct current micromotor of end cover structure.
Figure 10 is that the C-C of Fig. 9 is to cutaway view.
Figure 11 is that the D-D of Fig. 9 is to cutaway view.
Figure 12 is the rearview of Fig. 9.
Figure 13 is the three-dimensional view of Fig. 9.
Figure 14 is the E partial enlarged drawing of Figure 13.
Figure 15 is the front view that the utility model is simplified rear end cap body in the direct current micromotor of end cover structure.
Figure 16 is that the F-F of Figure 15 is to cutaway view.
Figure 17 is that the G-G of Figure 15 is to cutaway view.
Figure 18 is the rearview of Figure 15.
Figure 19 is the three-dimensional view of Figure 15.
Figure 20 is the inner schematic perspective view of installing of direct current micromotor that the utility model is simplified end cover structure.
Embodiment
Shown in Fig. 1～20, the execution mode that the utility model is simplified the direct current micromotor of end cover structure is: comprise rotor 1, magnetic shoe stator 2 and front end housing 3 and rear end cap 4 and commutator 5, also have carbon brush 6 and power supply lead wire 7 and motor housing 8, described front end housing 3 comprises front end housing body 31 and is arranged on bearing 32 and the bearing plate 33 at its center, described rear end cap 4 comprises rear end cap body 41 and is arranged on a pair of carbon brush sleeve 42 wherein and carbon brush stage clip erection column 43 and carbon brush binding post 44 and the power clip code 45 on this carbon brush sleeve side, be arranged in addition the power outlet code notch 46 at end cap edge, the periphery of described front end housing body 31 is uniform extends three registration arm plates 34, all there is location hole 35 end of described each registration arm plate 34, on front end housing body 31, take near motor housing 8 inwalls is basis, symmetrical two screws 36 in diametric(al), described rear end cap 4 is integrally moulded, the seam flange 410 that the periphery of described rear end cap body 41 has a circle to coordinate with motor housing 8 internal diameters, at rear end cap body 41 center, be provided with a ball bearing nest 47, the uniform bearing plate button limit flange 48 that is provided with on circumference above the edge of this ball bearing nest 47, in described ball bearing nest 47, be embedded with ball bearing 411, and a round bearing pressing plate 412 is installed on ball bearing 411 at this, the periphery of described round bearing pressing plate 412 is being pressed by bearing plate button limit flange 48 locks, on rear end cap body 41, take near motor housing 8 inwalls is basis, symmetrical two bolts hole 49 in diametric(al), also have two support bolts 9 respectively through two side clearances between two blocks of magnetic shoes of magnetic shoe stator 2, by bolt hole 49, with screw 36, front end housing 3 is fixed on together with rear end cap 4 to the two ends of motor housing 8.In the present embodiment, the all features of above-mentioned front end housing body 31 are except the screw thread of screw 36, can both implement to manufacture by metallic plate punch forming, bearing 32 is a kind of spherical bearings that contain, bearing plate 33 is the punch formings of manganese steel sheet, and rivet clasp is fixed on front end housing body 31 on bearing 32 and by bearing 32.Described ball bearing 411 is oiliness bearing, the periphery of round bearing pressing plate 412 has flanging, by the punch forming of manganese steel sheet, because bearing plate button limit flange 48 and round bearing pressing plate 412 all have elasticity, when round bearing pressing plate 412 is installed, can firmly presses and allow the flanging of its periphery be self-locking in bearing plate button limit flange 48 times.
Shown in Fig. 1～6, as one of preferred implementation of the present utility model, be: described location hole 35 offers breach 37 in registration arm plate 34 end positions.In the present embodiment, location hole 35 is offered breach 37, more quick in the time of can making motor be fixed in electrical equipment.
Shown in Fig. 7～8, as two of preferred implementation of the present utility model, be: each described screw 36 is to being equipped with a boss 38 of bearing plate 33 1 side projections on front end housing body 31, and described screw 36 penetrates boss 38.In the present embodiment, boss 38 can be with 31 punch formings of front end housing body, and screw 36 penetrates boss 38 and lengthened length of thread engagement (LE), firmly stable in the time of can greatly improving front end housing body 31 and be arranged on motor by bolt.
By Figure 10～11 and 14 and Figure 16～17 shown in, as three of preferred implementation of the present utility model, be: described bearing plate button limit flange 48 is a kind of triangular flanges, and wherein in the above, plane is in bottom surface on triangle inclined-plane.In the present embodiment, bearing plate button limit flange 48 is distributed on the edge top circumference of this ball bearing nest 47 three, when its triangle inclined-plane can make round bearing pressing plate 412 is installed, more easily presses into self-locking, and flat bottom is more firm by self-locking.
Shown in Figure 10～13 and 16～20, as four of preferred implementation of the present utility model, be: each described bolt hole 49 is to there being a bolt convex 413 of carbon brush sleeve 42 1 side projections on rear end cap body 41, and described bolt hole 49 penetrates bolt convex 413.As shown in Figure 20, because the magnetic shoe stator 2 of direct current machine has two magnetic shoes spaced apart, during mounted motor, be fixed electrical machinery both sides end caps, bolt 9 passes from the gap between two magnetic shoes, bolt 9 can be subject to magnetic force impact and produce skew, and installation effectiveness is reduced.In the present embodiment, bolt convex 413 objects are bolt hole 49 can be extended, and have the bolt of help 9 guide functions, can limit bolt 9 and can not be subject to magnetic force generation skew, thereby improve installation effectiveness.
Shown in Figure 12～13 and 18～19, as five of preferred implementation of the present utility model, be: described rear end cap body 41 neighborings are distributed with reinforcement 414, this reinforcement 414 is connected between seam flange 410 and rear end cap body 41 neighborings.In the present embodiment, reinforcement 414 can reduce the injection molding deformation of rear end cap body 41, improves the injection moulding precision of rear end cap body 41, can be used as the location of rear end cap body 41 on motor housing, as shown in Figure 2 simultaneously.
Shown in Fig. 1～2, because the utility model merges front end housing and mounting bracket, form the front end housing 3 of integral structure, be arranged on direct current micromotor, not only can avoid two parts in prior art that the accumulated error producing is installed by the accurate installation of motor, because reduced by a part, make also corresponding shortening of Motor Shaft simultaneously, cost of parts and processing and installation cost are all lower, and have improved installation accuracy and reduced complete machine cost, rear end cap and carbon brush holder are merged, form the rear end cap 4 of integrated injection molding structure, when round bearing pressing plate 412 is pressed on ball bearing 411 simultaneously, its periphery is being pressed by bearing plate button limit flange 48 locks, can more effectively prevent from affecting motor performance because round bearing pressing plate 412 comes off, be arranged on direct current micromotor, can pass through the accurate installation of motor, the deviation of having avoided in prior art two parts likely to produce when mounted because of armature spindle concentricity affects carbon brush to the pressure of commutator and contact area difference, thereby guaranteed that both sides carbon brush has the loss of equal extent, extended the life-span of motor.Reduced by a part simultaneously, and adopted integrally mouldedly, so it is all lower to have the utlity model has cost of parts and processing and installation cost, and has improved installation accuracy and reduced the beneficial effect of complete machine cost.
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection range, so long as realize the purpose of this utility model with essentially identical means, all should belong to protection range of the present utility model.
Claims (6)
1. a direct current micromotor of simplifying end cover structure, comprise rotor (1), magnetic shoe stator (2) and front end housing (3) and rear end cap (4) and commutator (5), also have carbon brush (6) and power supply lead wire (7) and motor housing (8), described front end housing (3) comprises front end housing body (31) and is arranged on bearing (32) and the bearing plate (33) at its center, described rear end cap (4) comprises rear end cap body (41) and is arranged on a pair of carbon brush sleeve (42) wherein and carbon brush stage clip erection column (43) and carbon brush binding post (44) and the power clip code (45) on this carbon brush sleeve side, be arranged in addition the power outlet code notch (46) at end cap edge, it is characterized in that: uniform three the registration arm plates (34) that extend of periphery of described front end housing body (31), all there is location hole (35) end of described each registration arm plate (34), at front end housing body (31), above take near motor housing (8) inwall is basis, symmetrical two screws (36) in diametric(al), described rear end cap (4) is integrally moulded, the seam flange (410) that the periphery of described rear end cap body (41) has a circle to coordinate with motor housing (8) internal diameter, at the center of rear end cap body (41), be provided with a ball bearing nest (47), the uniform bearing plate button limit flange (48) that is provided with on the circumference of the top, edge of this ball bearing nest (47), in described ball bearing nest (47), be embedded with ball bearing (411), and a round bearing pressing plate (412) is installed on this ball bearing (411), the periphery of described round bearing pressing plate (412) is being pressed by bearing plate button limit flange (48) lock, it is basis that rear end cap body (41) above be take near motor housing (8) inwall, symmetrical two bolts hole (49) in diametric(al), also have two support bolts (9) respectively through two side clearances between two blocks of magnetic shoes of magnetic shoe stator (2), by bolt hole (49) and screw (36), front end housing (3) and rear end cap (4) are fixed on together to the two ends of motor housing (8).
2. the direct current micromotor of simplification end cover structure according to claim 1, is characterized in that: described location hole (35) offers breach (37) in registration arm plate (34) end position.
3. the direct current micromotor of simplification end cover structure according to claim 1, it is characterized in that: described each screw (36) is upper to bearing plate (33) one side projection boss (38) are housed in front end housing body (31), and described screw (36) penetrates boss (38).
4. the direct current micromotor of simplification end cover structure according to claim 1, is characterized in that: described bearing plate button limit flange (48) is a kind of triangular flanges, and wherein in the above, plane is in bottom surface on triangle inclined-plane.
5. the direct current micromotor of simplification end cover structure according to claim 1, it is characterized in that: described each bolt hole (49) is upper to there being carbon brush sleeve (42) one side projection bolt convex (413) in rear end cap body (41), and described bolt hole (49) penetrates bolt convex (413).
6. the direct current micromotor of simplification end cover structure according to claim 1, it is characterized in that: described rear end cap body (41) neighboring is distributed with reinforcement (414), this reinforcement (414) is connected between seam flange (410) and rear end cap body (41) neighboring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532969.4U CN203406706U (en) | 2013-08-26 | 2013-08-26 | Direct current micro motor having simplified end cap structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532969.4U CN203406706U (en) | 2013-08-26 | 2013-08-26 | Direct current micro motor having simplified end cap structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406706U true CN203406706U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320532969.4U Expired - Fee Related CN203406706U (en) | 2013-08-26 | 2013-08-26 | Direct current micro motor having simplified end cap structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406706U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997152A (en) * | 2014-05-09 | 2014-08-20 | 杨元清 | Heat dissipation and noise reduction motor shell |
| CN105048689A (en) * | 2015-09-06 | 2015-11-11 | 刘小波 | Direct-current permanent-magnet brush motor |
| CN106602775A (en) * | 2016-12-16 | 2017-04-26 | 智德电机（苏州）有限公司 | Novel motor end cover |
| CN110710066A (en) * | 2017-05-15 | 2020-01-17 | 法雷奥系统公司 | Carbon brush holder plate for electric motor, windshield wiper motor, and method for assembling windshield wiper motor |
| CN117254627A (en) * | 2023-11-13 | 2023-12-19 | 苏州科义创智能科技有限公司 | AC brush motor |
-
2013
- 2013-08-26 CN CN201320532969.4U patent/CN203406706U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997152A (en) * | 2014-05-09 | 2014-08-20 | 杨元清 | Heat dissipation and noise reduction motor shell |
| CN105048689A (en) * | 2015-09-06 | 2015-11-11 | 刘小波 | Direct-current permanent-magnet brush motor |
| CN106602775A (en) * | 2016-12-16 | 2017-04-26 | 智德电机（苏州）有限公司 | Novel motor end cover |
| CN110710066A (en) * | 2017-05-15 | 2020-01-17 | 法雷奥系统公司 | Carbon brush holder plate for electric motor, windshield wiper motor, and method for assembling windshield wiper motor |
| CN117254627A (en) * | 2023-11-13 | 2023-12-19 | 苏州科义创智能科技有限公司 | AC brush motor |
| CN117254627B (en) * | 2023-11-13 | 2024-02-06 | 苏州科义创智能科技有限公司 | AC brush motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Quanjiang Inventor before: Zhang Jianxin |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160505 Address after: 529003 Guangdong province Jiangmen city Tangxia District Pengjiang town of Fort Tong Road No. 56 building 11 Patentee after: Jiangmen Putian Electric Technology Co. Ltd. Address before: Two, Jiangmen, Guangdong Province, Tangxia Town, Pengjiang Road, Fort 56, No. 529085 building on the third floor Patentee before: JIANGMEN NEW GLORY ELECTRICAL APPLIANCE MANUFACTORY LTD. Patentee before: JIANGMEN GLORY MOTOR MANUFACTORY LTD. Patentee before: Zhang Jianxin |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20170826 |