CN214228003U

CN214228003U - Permanent magnet direct current motor

Info

Publication number: CN214228003U
Application number: CN202120210070.5U
Authority: CN
Inventors: 肖飞阳
Original assignee: Wuxi Mingcheng Motor Manufacturing Co ltd
Current assignee: Wuxi Mingcheng Motor Manufacturing Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-09-17
Anticipated expiration: 2031-01-25

Abstract

The utility model relates to a permanent magnet direct current motor, it includes the casing, the one end of casing is connected with the front end housing, and the other end is connected with the rear end cap, one side that the front end housing deviates from the casing is connected with the installation end cover, it has the spout to open on the installation end cover, the directional center of installation end cover of spout, the spout is provided with a plurality of about installation end cover rotational symmetry, has all slided in every spout, it has the mounting hole to open on the connecting block, be connected with the locking Assembly who is used for advancing line location to the connecting block on the installation end cover, locking Assembly and connecting block one-to-one set up. The application has the effect of improving the universality.

Description

Permanent magnet direct current motor

Technical Field

The application relates to the field of motors, in particular to a permanent magnet direct current motor.

Background

The permanent magnet dc motor may be classified into a permanent magnet brushless dc motor and a permanent magnet brush dc motor according to presence or absence of a brush. The permanent magnet brushless DC motor is a DC motor with magnetic field established by one or more permanent magnets, the performance of the permanent magnet brushless DC motor is similar to that of a separately excited DC motor with constant exciting current, and the speed can be conveniently adjusted by changing armature voltage. The copper-clad plate has the advantages of small volume, high efficiency, simple structure, small copper consumption and the like, is widely applied to various portable electronic equipment or appliances, and is also widely applied to industries such as automobiles, ships, aviation, machinery and the like.

The utility model discloses a motor shell of multiple mounting means, it is main including casing, rear end cap and the different installation end cover of three shape specification to announce No. CN205986413U, the rear end at the casing is fixed to the rear end cap, first installation end cap is fixed at the casing front end, has seted up shaft hole, linking ring and four connection screw on the first installation end cap, separates on second installation end cap, the third installation end cap to be equipped with an linking hole and connection screw, and when linking ring embedding second installation end cap/third installation end cap's linking hole on the first installation end cap, each connection screw on the first installation end cap is just right with each connection screw of second installation end cap/third installation end cap one by one.

With respect to the related art in the above, the inventors consider that: the distance between the mounting holes on the mounting end cover is fixed, and in the mounting process, when mounting holes with different distances are needed, the mounting end cover needs to be replaced, so that the mounting end cover is inconvenient to use and poor in universality.

SUMMERY OF THE UTILITY MODEL

In order to improve the commonality, this application provides a permanent magnet direct current motor.

The application provides a permanent magnet direct current motor adopts following technical scheme:

the utility model provides a permanent magnet direct current motor, includes the casing body, the one end of casing body is connected with the front end housing, and the other end is connected with the rear end cap, one side that the front end housing deviates from the casing body is connected with the installation end cover, it has the spout to open on the installation end cover, the directional center of installation end cover of spout, the spout is provided with a plurality of about installation end cover rotational symmetry, and it has the connecting block all to slide in every spout, it has the mounting hole to open on the connecting block, be connected with the locking Assembly who is used for advancing line location to the connecting block on the installation end cover, locking Assembly and connecting block one-to-one set up.

Through adopting above-mentioned technical scheme, locking Assembly realizes the locking and the loosening to the connecting block, and the connecting block that slides comes to adjust the position in mounting block hole, has realized the nimble adjustment of mounting hole position, need not to change the installation end cover, and it is convenient to use, has improved the commonality.

Optionally, the locking assembly comprises a connecting rod and a locking rod, the connecting rod is fixedly connected to the connecting block, a moving groove for the connecting rod to slide is formed in the groove wall of the sliding groove, a locking groove is formed in the installation end cover, the locking groove and the moving groove are communicated in the same direction, the locking rod is fixedly connected to one end, away from the connecting block, of the connecting rod, one end of the locking rod slides in the locking groove, the other end of the locking rod extends out of the locking groove, and a limiting nut tightly abutting against the installation end cover is connected to the locking rod through threads.

Through adopting above-mentioned technical scheme, unscrew stop nut, the locking lever that slides the connecting block, realizes the regulation of mounting hole position, screws up the nut, through fixing a position the locking lever, fixes a position the connecting block, and then has realized the locking of mounting hole position.

Optionally, the sliding groove is a dovetail groove, and one end of the sliding groove, which is far away from the center of the mounting end cover, is open.

Through adopting above-mentioned technical scheme, the setting of dovetail has reduced the possibility that the connecting block deviates from in the spout, has improved the stability of connecting block at the in-process that slides.

Optionally, the locking assembly includes tapered end and spring, it has a plurality of lockholes to open on the lateral wall of spout, the tapered end slides in the lockhole, tapered end and lockhole one-to-one set up, it has the jack that supplies the tapered end male to open on the connecting block, the spring is extruded between the hole bottom wall of tapered end and lockhole, it has the group groove that communicates in the lockhole to open on the installation end cover, it is parallel with the lockhole to dial the groove, fixedly connected with slides the driving lever in dialling the inslot on the tapered end.

Through adopting above-mentioned technical scheme, stir the driving lever towards the hole bottom of lockhole, until the tapered end gets into in the lockhole, the connecting block that can slide realizes the regulation of mounting hole position, loosens the driving lever, and the tapered end inserts the connecting block under the drive of spring, fixes a position the connecting block, and then has realized the locking of mounting hole position.

Optionally, a guide groove is formed in a groove wall, away from the lock hole, of the locking groove, the guide groove is formed along the length direction of the locking groove, and a guide strip which slides in the guide groove is fixedly connected to the connecting block.

Through adopting above-mentioned technical scheme, guide way and guide strip provide direction and spacing for sliding of connecting block, have reduced the possibility that the connecting block deviates from in the spout, have improved the stability of connecting block at the in-process that slides.

Optionally, the same linkage rod is fixedly connected to the shifting rod.

Through adopting above-mentioned technical scheme, pulling the trace can drive all driving levers and remove, has improved the convenience of operation.

Optionally, the drill way fixedly connected with stopper of lockhole, the tapered end is opened along its axial has the spacing groove, stopper and spacing groove sliding fit, the one end that the spacing groove is close to the lockhole hole bottom is the closed form.

Through adopting above-mentioned technical scheme, stopper and spacing groove cooperation have reduced the tapered end because the elastic potential energy of spring is too big, and the possibility of deviating from in the lockhole has improved the stability of tapered end.

Optionally, the front end cover is fixedly connected with a positioning block, and the mounting end cover is provided with a positioning hole for inserting the positioning block.

Through adopting above-mentioned technical scheme, locating hole and locating piece are mutually supported, provide the direction for the installation of installation end cover, have guaranteed the accuracy of the mounted position of installation end cover.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the locking assembly realizes locking and loosening of the connecting block, the connecting block is slid to adjust the position of the mounting block hole, flexible adjustment of the position of the mounting hole is realized, the mounting end cover does not need to be replaced, the use is convenient, and the universality is improved;

2. the limiting nut is unscrewed, the lock rod slides, the connecting block slides, the position of the mounting hole is adjusted, the nut is screwed, the connecting block is positioned by positioning the lock rod, and the locking of the position of the mounting hole is further realized;

3. the driving lever is stirred towards the bottom of the hole of the lock hole, the connecting block can slide until the lock head enters the lock hole, the position of the mounting hole is adjusted, the driving lever is loosened, the lock head is inserted into the connecting block under the driving of the spring, the connecting block is positioned, and then the locking of the position of the mounting hole is realized.

Drawings

Fig. 1 is a schematic view of the overall structure of a permanent magnet dc motor according to embodiment 1 of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of a lock assembly according to embodiment 1 of the present application.

Fig. 4 is a schematic view of the overall structure of the permanent magnet dc motor according to embodiment 2 of the present application.

Fig. 5 is a sectional view of the lock cylinder of embodiment 2 of the present application.

Description of reference numerals: 1. a housing; 101. a front end cover; 1011. positioning blocks; 102. a rear end cap; 2. installing an end cover; 201. a shaft hole; 202. a locking groove; 203. a groove is poked; 204. positioning holes; 3. a chute; 301. a moving groove; 302. a guide groove; 303. a lock hole; 4. connecting blocks; 401. mounting holes; 402. a guide strip; 403. a jack; 5. a locking assembly; 501. a connecting rod; 502. a lock lever; 5021. a deflector rod; 503. a limit nut; 504. a lock head; 505. a spring; 7. a limiting groove; 8. a limiting block; 9. a linkage rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a permanent magnet direct current motor.

Example 1

Referring to fig. 1, a permanent magnet dc motor includes a housing 1, wherein a front end cover 101 is fixedly connected to one axial end of the housing 1, and a rear end cover 102 is fixedly connected to the other axial end. The front end cover 101 is bolted with the mounting end cover 2 on the side departing from the shell body 1, the mounting end cover 2 is provided with a shaft hole 201 for the motor rotating shaft to penetrate out, and the central line of the shaft hole 201 is collinear with the axis of the mounting end cover 2.

Referring to fig. 1, in order to improve the accuracy of the position of the end cap 2 when mounted, a positioning block 1011 is fixedly connected to the end cap 101 on the side facing the end cap 2. The side of the mounting end cap 2 facing the front end cap 101 is provided with a positioning hole 204 for inserting the positioning block 1011.

Referring to fig. 1 and 2, a sliding groove 3 is formed on a side surface of the mounting end cover 2 away from the front end cover 101, and the sliding groove 3 is a blind groove. The sliding groove 3 points to the center of the mounting end cover 2, and the central line of the sliding groove 3 in the length direction is intersected with the central line of the mounting end cover 2. The end of the chute 3 close to the center of the circle of the mounting end cover 2 is closed, and the end of the chute 3 far away from the center of the mounting end cover 2 is open.

Referring to fig. 1 and 2, in the present embodiment, three sliding grooves 3 are symmetrically arranged on the mounting end cover 2, and each sliding groove 3 is connected with one connecting block 4 in a sliding manner. Each connecting block 4 is provided with a mounting hole 401 for mounting the motor, and the axis of the mounting hole 401 is parallel to the axis of the mounting end cover 2. The mounting end cover 2 is connected with a locking assembly 5, the locking assembly 5 and the connecting blocks 4 are arranged in a one-to-one correspondence mode, and the locking assembly 5 positions the connecting blocks 4.

In the installation process, when the mounting holes 401 with different distances are needed, an operator slides the connecting block 4 in the sliding groove 3, so that the position of the connecting block 4 can be adjusted, and the position of the mounting hole 401 can be adjusted. At this moment, the locking assembly 5 fixes the position of the connecting block 4, so that the application range is expanded, and the universality is improved.

Referring to fig. 2, the locking assembly 5 includes a connecting rod 501 and a locking rod 502, the connecting rod 501 is fixedly connected to a side wall of the connecting block 4, and the connecting rod 501 is disposed perpendicular to a groove wall of the sliding chute 3. The wall of the sliding groove 3 is provided with a moving groove 301, the length direction of the moving groove 301 is the same as the length direction of the sliding groove 3, and one end of the connecting rod 501 far away from the connecting block 4 slides in the moving groove 301.

Referring to fig. 2 and 3, a locking groove 202 is formed in one side of the mounting end cover 2 facing away from the front end cover 101, the locking groove 202 is communicated with the moving groove 301, and the length direction of the locking groove 202 is the same as the length direction of the moving groove 301. The locking rod 502 is fixedly connected to one end of the connecting rod 501 far away from the connecting block 4, the locking rod 502 is arranged perpendicular to the connecting rod 501, and the locking rod 502 slides in the locking groove 202. One end of the lock rod 502, which is far away from the connecting rod 501, is provided with threads and extends out of the locking groove 202, the lock rod 502 is connected with a limit nut 503 through threads, and the limit nut 503 is pressed on the mounting end cover 2.

An operator unscrews the limit nut 503, slides the lock rod 502, and the lock rod 502 is linked with the connecting block 4 through the connecting rod 501, so that the position of the connecting block 4 is adjusted, the position of the mounting hole 401 is adjusted, and the operation is convenient and fast.

Referring to fig. 2, in order to improve the stability of the lock rod 502 during sliding, the sliding groove 3 is arranged in a dovetail shape, which can provide guidance and limit for the connecting block 4, and reduce the possibility that the connecting block 4 is disengaged from the sliding groove 3.

The implementation principle of the embodiment 1 is as follows: an operator unscrews the limit nut 503, slides the lock rod 502, the lock rod 502 is linked with the connecting block 4 through the connecting rod 501, and after the connecting block 4 is adjusted to a required position, the limit nut 503 is screwed, so that the application range is expanded, and the universality is improved.

Example 2

Referring to fig. 4, the present embodiment is different from embodiment 1 in that the locking assembly 5 is different from the slide groove 3.

Referring to fig. 4 and 5, the sliding groove 3 is a through groove and a square groove, a guide groove 302 is formed on a side wall of the sliding groove 3, and the guide groove 302 is a dovetail groove. The guide groove 302 is opened along the length direction of the sliding groove 3, and a guide strip 402 sliding in the guide groove 302 is fixedly connected to the side surface of the connecting block 4. The guide groove 302 and the guide strip 402 are matched with each other, so that the stability of the connecting block 4 in sliding in the sliding groove 3 is improved.

Referring to fig. 5, the locking assembly 5 includes a locking head 504 and a spring 505, a locking hole 303 is formed on a side wall of the sliding chute 3, and the locking hole 303 is a blind hole. The plurality of locking holes 303 are provided along the length direction of the chute 3. The locking heads 504 and the locking holes 303 are arranged in a one-to-one correspondence mode, one end of each locking head 504 slides in the corresponding locking hole 303, one end of each spring 505 abuts against the bottom wall of the corresponding locking hole 303, and the other end of each spring 505 abuts against the corresponding locking head 504. The side of the connecting block 4 facing the lock head 504 is provided with an insertion hole 403, and the lock head 504 is inserted into the connecting block 4 through the insertion hole 403.

Referring to fig. 5, the hole opening of the lock hole 303 is fixedly connected with a limiting block 8, a limiting groove 7 is formed in the outer peripheral wall of the lock head 504, and two ends of the limiting groove 7 are both closed. The limiting groove 7 is formed along the axial direction of the lock head 504, and the limiting block 8 is matched with the limiting groove 7 in a sliding mode.

Referring to fig. 5, a side of the mounting end cap 2 away from the front end cap 101 is provided with a dialing slot 203, and the dialing slot 203 is arranged parallel to the lock hole 303 and is communicated with the lock hole 303. The lock head 504 is fixedly connected with a driving lever 5021, and the driving lever 5021 is perpendicular to the lock head 504 and slides in the sliding groove 3.

Referring to fig. 5, in order to facilitate an operator to slide all the shift levers 5021 at the same time, the same linkage 9 is fixedly connected to the top ends of all the shift levers 5021, and the linkage 9 is perpendicular to the shift levers 5021.

The implementation principle of the embodiment 2 is as follows: an operator pulls the linkage rod 9 towards the bottom of the hole of the lock hole 303 until the lock head 504 enters the lock hole 303, and then the connecting block 4 slides to a required position, so that the position of the connecting block 4 is adjusted. At the same time, the insertion holes 403 are communicated with the corresponding locking holes 303. Then, the shift lever 5021 is released, at this time, the elastic potential energy of the spring 505 is released, the lock head 504 is pushed to move until the lock head 504 is inserted into the connecting block 4, the connecting block 4 is locked, and finally the position of the mounting hole 401 is adjusted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a permanent magnet direct current motor, includes casing (1), the one end of casing (1) is connected with front end housing (101), and the other end is connected with rear end housing (102), one side that front end housing (101) deviates from casing (1) is connected with installation end cover (2), its characterized in that: open on installation end cover (2) has spout (3), the center of the directional installation end cover (2) of spout (3), spout (3) are provided with a plurality of about installation end cover (2) rotational symmetry, and it has connecting block (4) all to slide in every spout (3), it has mounting hole (401) to open on connecting block (4), be connected with locking Assembly (5) that are used for advancing line location to connecting block (4) on installation end cover (2), locking Assembly (5) and connecting block (4) one-to-one set up.

2. A permanent magnet direct current motor according to claim 1, characterized in that: locking Assembly (5) are including connecting rod (501) and locking lever (502), connecting rod (501) fixed connection is in connecting block (4), it has movable groove (301) that supplies connecting rod (501) to slide to open on the cell wall of spout (3), it has locking groove (202) to open on installation end cover (2), locking groove (202) and movable groove (301) syntropy and be linked together, the one end of connecting block (4) is kept away from in connecting rod (501) locking lever (502) fixed connection, the one end of locking lever (502) slides in locking groove (202), the other end of locking lever (502) is stretched out in locking groove (202), threaded connection has stop nut (503) of abutting on installation end cover (2) on locking lever (502).

3. A permanent magnet direct current motor according to claim 2, characterized in that: the sliding groove (3) is a dovetail groove, and one end, far away from the center of the mounting end cover (2), of the sliding groove (3) is open.

4. A permanent magnet direct current motor according to claim 1, characterized in that: locking subassembly (5) are including tapered end (504) and spring (505), it has a plurality of lockholes (303) to open on the lateral wall of spout (3), tapered end (504) slide in lockhole (303), tapered end (504) and lockhole (303) one-to-one set up, it has supply tapered end (504) male jack (403) to open on connecting block (4), spring (505) are extruded between the hole bottom wall of tapered end (504) and lockhole (303), it has groove (203) of dialling that communicate in lockhole (303) to open on installation end cover (2), it is parallel with lockhole (303) to dial groove (203), fixedly connected with driving lever (5021) that slides in groove (203) on tapered end (504).

5. A permanent magnet direct current motor according to claim 2, characterized in that: the wall of the locking groove (202) far away from the locking hole (303) is provided with a guide groove (302), the guide groove (302) is formed along the length direction of the locking groove (202), and a guide strip (402) sliding in the guide groove (302) is fixedly connected to the connecting block (4).

6. A permanent magnet direct current motor according to claim 4, characterized in that: the same linkage rod (9) is fixedly connected to the deflector rod (5021).

7. A permanent magnet direct current motor according to claim 4, characterized in that: the drill way fixedly connected with stopper (8) of lockhole (303), tapered end (504) are opened along its axial has spacing groove (7), stopper (8) and spacing groove (7) cooperation of sliding, the one end that spacing groove (7) are close to lockhole (303) hole bottom is the closed form.

8. A permanent magnet direct current motor according to claim 1, characterized in that: the front end cover (101) is fixedly connected with a positioning block (1011), and the mounting end cover (2) is provided with a positioning hole (204) for inserting the positioning block (1011).