CN111525727B - Electric machine - Google Patents
Electric machine Download PDFInfo
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- CN111525727B CN111525727B CN202010376200.2A CN202010376200A CN111525727B CN 111525727 B CN111525727 B CN 111525727B CN 202010376200 A CN202010376200 A CN 202010376200A CN 111525727 B CN111525727 B CN 111525727B
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- rear end
- end cover
- motor body
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- wall
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/15—Mounting arrangements for bearing-shields or end plates
Abstract
The invention provides a motor, and relates to a power device. The motor comprises a motor body, an output shaft on the motor body penetrates out of the tail end of the motor, a fan blade is fixedly connected to the outer wall of one end, penetrating out of the tail end of the motor, of the output shaft of the motor body, a first annular groove is formed in one end, close to the tail end of the motor body, of the outer wall of the motor body, a rear end cover is sleeved on the outer wall of the first annular groove, a vent hole is formed in the end face, far away from the motor body, of the rear end cover, and a locking mechanism used for locking the rear end cover to the inner wall of the first annular groove is arranged between the rear end cover and the inner wall of the first annular groove. Through such setting, simple structure, convenient operation has made things convenient for the operator to connect the rear end cap in first annular, has made things convenient for the operator to the installation and the dismantlement of rear end cap.
Description
Technical Field
The invention relates to a power device, in particular to a motor.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. Its main function is to generate driving torque as power source of electric appliance or various machines.
Some current motors are making the back, and the output shaft tail end of motor wears out motor housing, installs the flabellum on the output shaft tail end of motor to the rear end cap is established to the cover on the flabellum outer wall, comes the motor to dispel the heat through such setting.
And in the existing motor, the rear end cover and the motor are usually fixed through a large number of bolts, an operator needs to screw more bolts through tools at every time to fix the motor, and the mode has inconvenient problems in the installation and the disassembly of the rear end cover.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the motor which has the effects that an operator can conveniently connect the rear end cover in the first annular groove, and the operator can conveniently install and detach the rear end cover.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a motor, includes motor body, output shaft on the motor body wears out the tail end of motor output shaft on the motor body wears out fixedly connected with flabellum on the one end outer wall of the tail end of motor body the motor body outer wall is close to one of the tail end of motor body serves and has seted up first annular the cover is equipped with a rear end cap on the first annular outer wall the rear end cap is kept away from the ventilation hole has been seted up on motor body's the terminal surface the rear end cap with be equipped with between the first annular inner wall one be used for with the rear end cap lock in the locking mechanism of first annular inner wall.
In the technical scheme, the rear end cover can be detachably connected, an operator only needs to directly sleeve the rear end cover on the first annular groove, the rear end cover can be connected with the first annular groove through the locking mechanism, the sealing of the fan blades is completed, the fixing mode of the rear end cover is simple and convenient to operate, and the loading and unloading efficiency of the rear end cover is increased.
Preferably, a connecting ring is arranged in the rear end cover, an internal thread is formed on the inner wall of the connecting ring, and an external thread meshed with the internal thread is formed on the outer wall of the first ring groove.
In the technical scheme, the connecting ring with the internal thread is arranged, so that the restraint between the rear end cover and the motor body is increased, the freedom degree of the rear end cover assembled on the motor body is reduced, the possibility of shaking of the rear end cover is reduced, and the stability of the rear end cover is improved.
Preferably, the connecting ring is rotatably connected to the inner wall of the rear end cover along the axial direction of the motor body, and the connecting ring is rotatably slid on the inner wall of the rear end cover along the axial direction of the motor body; the rear end cover is internally provided with a limiting part which is used for being clamped with the connecting ring, and the limiting part is arranged on the connecting ring along the axis direction of the motor body.
In the technical scheme, the limitation of the connection mode of the connection ring and the arrangement of the limiting part reduce the possibility of mistakenly detaching the connection ring, and increase the safety of the motor.
Preferably, an elastic reset device is arranged between the connecting ring and the limiting member.
In the technical scheme, the rear end cover is arranged on the motor body through the elastic resetting device, and can be far away from the motor body under the action of the elastic resetting device, so that the restraint between the rear end cover and the motor body is increased, the possibility of shaking of the rear end cover is reduced, and the stability of the rear end cover is increased.
Preferably, the limiting member comprises a limiting tooth arranged on the rear end cover and a face tooth arranged on the connecting ring, and the limiting tooth is meshed with the face tooth; the limiting teeth are arranged on the rear end cover along the axis direction of the motor body; the end face teeth are arranged on the connecting ring along the axis direction of the motor body.
Among this technical scheme, through the setting of spacing tooth and terminal surface tooth, the locating part carries out the joint through the mode of meshing, has increased the reliability of go-between and rear end cap joint, has reduced the possibility that go-between and rear end cap rocked between the joint.
Preferably, an installation ring is arranged at one end, far away from the rear end cover, of the first ring groove, and the installation ring is connected to the first ring groove in a sliding manner along the axis direction of the motor body; the mounting ring is provided with second threads, and the rear end cover is further provided with first threads meshed with the second threads.
In the technical scheme, the mounting ring provided with the second threads can be matched with the rear end cover again and matched with the connecting ring close to one end of the rear end cover, the two positions are limited together, and the possibility of shaking of the rear end cover is further reduced; the setting of the mounting ring that slides is convenient for set up the back at the mounting ring, through the mounting ring that slides, has further reduced the possibility that the rear end cap rocked, has increased the stability of rear end cap.
Preferably, the mounting ring slides along the axial direction of the motor body through a positioning piece; the positioning piece comprises a third thread arranged on the inner wall of the mounting ring and a fourth thread arranged on the first ring groove, and the third thread and the fourth thread are meshed; the third thread and the first thread are in the same direction, and the pitch of the first thread is equal to that of the third thread.
In the technical scheme, an operator can slide the mounting ring along the axial direction of the motor body by rotating the mounting ring, so that the operation is simple and convenient; due to the arrangement of the mounting ring in threaded connection, the coaxiality of the mounting ring and the first ring groove is further increased, and the possibility that the rear end cover is clamped on the first ring groove is reduced.
Preferably, the mounting ring is further hinged with a shifting plate.
In the technical scheme, through the arrangement of the shifting plate which is hinged, an operator can directly grab the shifting plate and then rotate the mounting ring; and because dial the board and articulate in the collar, dial the board and can be located first annular, reduced and dialled the required volume of board.
Preferably, the locking mechanism comprises a telescopic block arranged at one end of the rear end cover close to the motor body, the telescopic block is arranged on the rear end cover along the radial direction of the motor body, and a telescopic mechanism for driving the telescopic block to stretch is further arranged in the rear end cover; the inner wall of the first ring groove is further provided with a locking plate, and the locking plate is provided with a telescopic hole for the telescopic block to penetrate through.
Among this technical scheme, through the setting of flexible piece and telescopic machanism, the operator is through pressing flexible piece, and flexible piece can get into the telescopic hole or break away from the telescopic hole, has realized the separation or be connected with first annular, and it is comparatively convenient to operate.
Preferably, the locking plate is provided with an adjusting groove, and the adjusting groove is formed in the locking plate along the circumferential direction of the motor body.
Among this technical scheme, through the setting of adjustment tank, the operator of being convenient for directly rotates the collar, has further reduced the clearance between swivel ring and the first annular, has increased the reliability of the motor after the locking.
In summary, the invention includes at least one of the following beneficial technical effects:
1. through the setting of the rear end cover of can dismantling the connection, the operator only needs directly to overlap the direct cover of rear end cover on first annular, and on the rethread locking mechanical system, can realize being connected of rear end cover and first annular, accomplished the sealed of flabellum, the fixed mode operation of rear end cover is comparatively simple and convenient, has increased the loading and unloading efficiency of rear end cover.
2. Through the arrangement of the connecting ring with the internal thread, the restraint between the rear end cover and the motor body is increased, the degree of freedom of the rear end cover assembled on the motor body is reduced, the possibility of shaking of the rear end cover is reduced, and the stability of the rear end cover is increased.
3. Through the setting of elasticity resetting means, with the back end housing dress back on motor body, the motor body can be kept away from to the back end housing under elasticity resetting means's effect, has also increased the restraint between back end housing and the motor body, has reduced the possibility that the back end housing rocked, has increased the stability of back end housing.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale.
In the drawings:
FIG. 1 is a schematic block diagram of a motor locking according to one embodiment of the present invention;
FIG. 2 is a schematic block diagram of a motor according to one embodiment of the present invention with the rear end cap abutting against the stop bar;
fig. 3 is a schematic structural view of a rear end cover of a motor when it is rotated according to an embodiment of the present invention.
The reference numbers used in the drawings are as follows:
1. a motor body; 2. a fan blade; 3. a first ring groove; 4. a rear end cap; 5. a vent hole; 6. a locking mechanism; 7. a second ring groove; 8. a connecting ring; 9. an internal thread; 10. an external thread; 11. a limiting member; 12. limiting teeth; 13. end face teeth; 14. a first thread; 15. a third ring groove; 16. a mounting ring; 17. a second thread; 18. a positioning member; 19. a fourth thread; 20. a third thread; 21. dialing a plate; 22. a limiting strip; 23. a telescopic block; 24. a telescopic groove; 25. a telescoping mechanism; 26. a locking plate; 27. a telescopic hole; 28. a limiting block; 29. and (4) adjusting the groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1, the motor disclosed by the present invention comprises a motor body 1, wherein an output shaft of the motor body 1 penetrates through a tail end of the motor body 1, a fan blade 2 is fixedly connected to an outer wall of one end of the output shaft of the motor body 1, which penetrates through the tail end of the motor body 1, a first annular groove 3 is formed in one end of the outer wall of the motor body 1, which is close to the tail end of the motor body 1, a rear end cover 4 is sleeved on the outer wall of the first annular groove 3, the rear end cover 4 can cover the fan blade 2, a plurality of groups of ventilation holes 5 are formed in one end of the rear end cover 4, which is far away from the motor body 1, that is, a right end face of the rear end cover 4, and a locking mechanism 6 for locking the rear end cover 4 to an inner wall of the first annular groove 3 is arranged between the rear end cover 4 and an inner wall of the first annular groove 3.
In this embodiment, through the setting of the rear end cap 4 that can dismantle the connection, the operator only needs directly to establish the direct cover of rear end cap 4 on first annular 3, and on rethread locking mechanical system 6, can realize being connected of rear end cap 4 and first annular 3, has accomplished flabellum 2's sealed, and rear end cap 4's fixed mode operation is comparatively simple and convenient, has increased rear end cap 4's handling efficiency.
Preferably, a connecting ring 8 is arranged in the rear end cover 4, an internal thread 9 is formed on the inner wall of the connecting ring 8, and an external thread 10 for meshing with the internal thread 9 is formed on the outer wall of the first ring groove 3.
In this embodiment, through the setting of the connecting ring of seting up internal thread 9, increased the restraint between rear end cap 4 and the motor body 1, reduced the degree of freedom of rear end cap 4 of assembly on motor body 1, reduced the possibility that rear end cap 4 rocked, increased rear end cap 4's stability.
The connecting ring 8 rotates along the axis direction of the motor body 1 and is connected to the inner wall of the rear end cover 4, and the connecting ring 8 rotates along the axis direction of the motor body 1 and slides on the inner wall of the rear end cover 4, namely, the connecting ring 8 can rotate along the axis direction of the connecting ring 8 in the rear end cover 4 and can slide left and right.
The rear end cover 4 is further provided with a limiting member 11 for being connected to the connection ring 8 in a clamping manner, the limiting member 11 is disposed on the connection ring 8 along the axial direction of the motor body 1, that is, the limiting member 11 can be disposed on the left side or the right side of the connection ring 8, in this embodiment, the limiting member 11 is disposed on the right side of the connection ring 8.
Therefore, when the rear end cap 4 needs to be detached from the motor body 1 after the rear end cap 4 is disposed on the motor body 1, the operator does not move the rear end cap 4 to the left side, and the stopper 11 is separated from the connection ring 8, so that when the operator directly rotates the rear end cap 4, the connection ring 8 is engaged with the first annular groove 3, but the connection ring 8 is rotatably connected to the rear end cap 4 along the axis direction thereof, and therefore, the operator directly rotates the rear end cap 4, and the connection ring 8 is always engaged with the first annular groove 3, and the rear end cap 4 cannot be detached.
When the rear end cover 4 needs to be dismounted, an operator needs to firstly move the rear end cover 4 to the left side, the limiting part 11 is clamped on the connecting ring 8, and the connecting ring 8 is difficult to rotate along the axis direction of the connecting ring 8, so that the connecting ring 8 and the rear end cover 4 coaxially rotate, and the rear end cover 4 can be dismounted by rotating the rear end cover 4.
In this embodiment, the limitation of the connection mode of the connection ring 8 and the arrangement of the limiting member 11 reduce the possibility of mistakenly detaching the connection ring 8, and increase the safety of the motor.
Specifically, the rear end cover 4 can be provided with a second annular groove 7 therein, the connection ring 8 can rotate in the second annular groove 7 along the axis direction thereof, and the connection ring 8 can slide in the second annular groove 7 along the axis direction of the motor body 1.
Preferably, an elastic reset device (not shown in the figure) is arranged between the connection ring 8 and the limiting member 11, in this embodiment, after the rear end cover 4 is mounted on the motor body 1 through the arrangement of the elastic reset device, the rear end cover 4 can be away from the motor body 1 under the action of the elastic reset device, so that the constraint between the rear end cover 4 and the motor body 1 is increased, the possibility of shaking of the rear end cover 4 is reduced, and the stability of the rear end cover 4 is increased.
The limiting piece 11 comprises a limiting tooth 12 arranged on the rear end cover 4 and an end face tooth 13 arranged on the connecting ring 8, and the limiting tooth 12 is meshed with the end face tooth 13; the limiting teeth 12 are arranged on the rear end cover 4 along the axial direction of the motor body 1; the end face teeth 13 are arranged on the connecting ring 8 along the axial direction of the motor body 1; in this embodiment, the limit teeth 12 are provided on the right side of the inner wall of the left end of the second annular groove 7, and the end face teeth 13 are provided on the left side of the right end of the connection ring 8.
In this embodiment, through the setting of spacing tooth 12 and terminal surface tooth 13, locating part 11 carries out the joint through the meshing mode, has increased the reliability of go-between 8 and rear end cap 4 joint, has reduced the possibility that go-between 8 and rear end cap 4 rocked between the joint.
Example two:
in the first embodiment, in the first ring groove 3, the mounting ring 16 is disposed at an end close to the rear end cover 4, i.e., at the left end of the first ring groove 3, and the mounting ring 16 is connected to the first ring groove 3 in a sliding manner along the axial direction of the motor body 1, i.e., the mounting ring 16 can slide on the first ring groove 3 in the left-right direction.
The mounting ring 16 is provided with a second thread 17, and the rear end cover 4 is further provided with a first thread 14 engaged with the second thread 17.
In the embodiment, by arranging the mounting ring 16 provided with the second threads 17, the mounting ring 16 can be matched with the rear end cover 4 again, and is matched with the connecting ring 8 close to one end of the rear end cover 4, and the two positions are limited together, so that the possibility of shaking of the rear end cover 4 is further reduced; the arrangement of the sliding arrangement on the mounting ring 16 is convenient for the arrangement of the mounting ring 16 to be completed, and the possibility of shaking of the rear end cover 4 is further reduced and the stability of the rear end cover 4 is increased through the sliding arrangement of the mounting ring 16.
With the connecting ring 8 rotatably disposed as described in the first embodiment, when the rear end cover 4 needs to be detached, the rear end cover 4 needs to be slid to the left; thus, when the mounting ring 16 is at the leftmost side, the rear end cap 4 is locked; when the rear end cover 4 needs to be opened, the mounting ring 16 needs to be rotated to the right side at first until a gap is formed between the mounting ring 16 and the inner wall of the left end of the first annular groove 3, the rear end cover 4 can slide to the left side until the limiting teeth 12 are meshed with the end face teeth 13, and then the rear end cover 4 is opened by combining the opening mode described in the first embodiment.
The mounting ring 16 is slidably moved in the axial direction of the motor body 1 by the positioning member 18, that is, the mounting ring 16 is slidably moved left and right by the positioning member 18.
The positioning piece 18 comprises a third thread 20 arranged on the inner wall of the mounting ring 16 and a fourth thread 19 arranged on the first ring groove 3, and the third thread 20 is engaged with the fourth thread 19;
the third thread 20 is threaded in the same direction as the first thread 14, and the pitch of the first thread 14 is equal to the pitch of the third thread 20.
An operator can slide the mounting ring 16 along the axial direction of the motor body 1 by rotating the mounting ring 16, so that the operation is simple and convenient; the arrangement of the mounting ring 16 connected by the threads further increases the coaxiality of the mounting ring 16 and the first ring groove 3, and reduces the possibility that the rear end cover 4 is clamped on the first ring groove 3.
Specifically, a third ring groove 15 is further formed in one end, away from the rear end cover 4, of the first ring groove 3, that is, the third ring groove 15 is formed in the left end of the third ring groove 15, and the mounting ring 16 can slide in the third ring groove 15; thus, the fourth thread 19 is opened on the inner wall of the third ring groove 15.
The mounting ring 16 is also hinged with a shifting plate 21; in this embodiment, through the arrangement of the toggle plate 21 which is hinged, an operator can directly grab the toggle plate 21, i.e., rotate the mounting ring 16; and because the dial plate 21 is hinged to the mounting ring 16, the dial plate 21 can be positioned in the first ring groove 3, and the volume required by the dial plate 21 is reduced.
Specifically, dial board 21 and set up to the multiunit, and multiunit dial board 21 and evenly encircle on the outer wall of collar 16, and more specifically, dial board 21 and rotate the connection on the outer wall of collar 16 through the hinge, one side fixed connection of hinge is on the lateral wall of one side of dialling board 21.
The inner wall of the first ring groove 3 is also provided with a limiting strip 22 used for the rear end cover 4 to abut against, and the length of the limiting strip 22 in the axial direction of the motor body 1 is greater than that of the shifting plate 21; spacing 22 fixed connection is on first annular 3, and spacing 22 sets up to a plurality ofly, and a plurality of spacing 22 can be followed the axis direction evenly distributed of motor body 1 on first annular 3.
After the rear end cover 4 is screwed forward, in order to separate the limiting teeth 12 from the end face teeth 13, the rear end cover 4 needs to be rotated reversely, and through the arrangement of the limiting strip 22, when the rear end cover 4 abuts against the limiting strip 22, after the rear end cover 4 rotates reversely, the distance between the limiting teeth 12 and the end face teeth 13 can be kept at the maximum value.
Example three:
on the basis of the first embodiment, in this embodiment, the locking mechanism 6 includes a telescopic block 23 disposed at one end of the rear end cover 4 close to the motor body 1, and the telescopic block 23 is disposed on the rear end cover 4 along the radial direction of the motor body 1, specifically, in this embodiment, a telescopic groove 24 for placing the telescopic block 23 is further formed in the rear end cover 4, and the telescopic block 23 can slide up and down in the telescopic groove 24; a telescopic mechanism 25 for driving the telescopic block 23 to extend and retract is further arranged in the rear end cover 4, and more specifically, in the present embodiment, the locking mechanism 6 is of a push-push structure, so that after the telescopic block 23 is pressed by an operator, the telescopic block 23 can be retracted in the telescopic groove 24, and when the telescopic block 23 is pressed by the operator again, the telescopic block 23 can extend out of the telescopic groove 24.
The inner wall of the first ring groove 3 is also provided with a locking plate 26, the locking plate 26 is provided with a telescopic hole 27 for the telescopic block 23 to pass through, and when the telescopic block 23 extends out of the telescopic groove 24, the telescopic block 23 can enter the telescopic hole 27 and abut against the inner wall of the telescopic hole; specifically, in the present embodiment, the inner diameter of the telescopic hole 27 is equal to or slightly larger than the diameter of the telescopic block 23.
In this embodiment, through the setting of flexible piece 23 and telescopic machanism 25, the operator is through pressing flexible piece 23, and flexible piece 23 can get into telescopic hole 27 or break away from telescopic hole 27, has realized the separation or the connection with first annular 3, and it is comparatively convenient to operate.
Preferably, the outer end of the telescopic hole 27 is further provided with a limit block 28, one end of the telescopic block 23 far away from the telescopic mechanism 25, that is, the outer end of the telescopic block 23 can abut against the limit block 28, and the outer end of the telescopic block 23 is adapted to the limit block 28; through the arrangement of the limiting block 28, the possibility that the telescopic block 23 is separated from the telescopic groove 24 and the telescopic hole 27 is reduced, and the sliding reliability of the telescopic block 23 is improved.
In the motor described in connection with the second embodiment, the locking plate 26 is provided with the adjustment groove 29, and the adjustment groove 29 is formed in the locking plate 26 along the circumferential direction of the motor body 1; in this embodiment, through the opening of the adjusting groove 29, in the state of locking the locking mechanism 6, the operator can directly rotate the dial plate 21 and the limiting strip 22 through the adjusting groove 29, and then drive the mounting ring 16 to rotate, so that in the current state, the rear end cover 4 cannot move continuously, and the rear end cover 4 is locked.
In this embodiment, through the setting of adjustment tank 29, the operator of being convenient for directly rotates collar 16, has further reduced the clearance between collar 16 and the first annular 3, has increased the reliability of the motor after the locking.
The use principle of the invention is as follows:
firstly, the rear end cover 4 is sleeved outside the first annular groove 3, the first threads 14 are abutted to the external threads 10, the rear end cover 4 is rotated until the first threads 14 penetrate through the external threads 10, when the first threads 14 are abutted to the second threads 17 or the internal threads 9 are abutted to the external threads 10, the limiting teeth 12 are abutted to the end face teeth 13, therefore, the connecting ring 8 and the rear end cover 4 rotate coaxially, the rear end cover 4 continues to be rotated, the first threads 14 can be meshed with the second threads 17, the internal threads 9 can be meshed with the external threads 10 until the rear end cover 4 is abutted to the limiting strips 22, as shown in fig. 2, in the current state, the mounting ring 16 is also abutted to one side, close to the motor body 1, of the third annular groove 15, and the rear end cover 4 cannot rotate continuously.
As shown in fig. 2 and 3, the rear end cover 4 rotates in the opposite direction, and in the rotation process of the rear end cover 4, the connecting ring 8 can slide along the axis direction thereof, so that the limit teeth 12 are separated from the end face teeth 13, the first threads 14 are engaged with the second threads 17, and therefore, the mounting ring 16 moves along the direction away from the motor body 1 along with the rear end cover 4, a gap is formed between the mounting ring 16 and the left side of the third ring groove 15 until the axis of the telescopic block 23 is collinear with the axis of the telescopic hole 27, and an operator can press the telescopic block 23 to complete the locking of the locking mechanism 6.
As shown in fig. 1 and 3, the mounting ring 16 is rotated by the adjusting groove 29, the mounting ring 16 is rotated toward the motor body 1, the gap between the mounting ring 16 and the left side of the third ring groove 15 is reduced until the left end of the mounting ring 16 abuts against the left side of the third ring groove 15, and the final locking of the rear end cover 4 is completed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (8)
1. An electric machine characterized by: the motor comprises a motor body, wherein an output shaft on the motor body penetrates out of the tail end of the motor, a fan blade is fixedly connected to the outer wall of one end, penetrating out of the tail end of the motor, of the output shaft on the motor body, a first annular groove is formed in one end, close to the tail end of the motor body, of the outer wall of the motor body, a rear end cover is sleeved on the outer wall of the first annular groove, a vent hole is formed in the end face, far away from the motor body, of the rear end cover, and a locking mechanism used for locking the rear end cover on the inner wall of the first annular groove is arranged between the rear end cover and the inner wall of the first annular groove;
a connecting ring is arranged in the rear end cover, an internal thread is arranged on the inner wall of the connecting ring, and an external thread meshed with the internal thread is arranged on the outer wall of the first ring groove;
the connecting ring is rotationally connected to the inner wall of the rear end cover along the axial direction of the motor body, and the connecting ring rotationally slides on the inner wall of the rear end cover along the axial direction of the motor body;
the rear end cover is internally provided with a limiting part which is used for being clamped with the connecting ring, and the limiting part is arranged on the connecting ring along the axis direction of the motor body.
2. An electric machine as claimed in claim 1, characterized in that: an elastic reset device is arranged between the connecting ring and the limiting piece.
3. An electric machine as claimed in claim 1, characterized in that: the limiting piece comprises a limiting tooth arranged on the rear end cover and an end face tooth arranged on the connecting ring, and the limiting tooth is meshed with the end face tooth;
the limiting teeth are arranged on the rear end cover along the axis direction of the motor body;
the end face teeth are arranged on the connecting ring along the axis direction of the motor body.
4. An electric machine as claimed in claim 1, characterized in that: an installation ring is arranged at one end, far away from the rear end cover, of the first ring groove, and the installation ring is connected to the first ring groove in a sliding mode along the axis direction of the motor body;
the mounting ring is provided with second threads, and the rear end cover is further provided with first threads meshed with the second threads.
5. An electrical machine according to claim 4, wherein: the mounting ring slides along the axis direction of the motor body through a positioning piece;
the positioning piece comprises a third thread arranged on the inner wall of the mounting ring and a fourth thread arranged on the first ring groove, and the third thread is meshed with the fourth thread;
the third thread and the first thread are in the same direction, and the pitch of the first thread is equal to that of the third thread.
6. An electric machine as claimed in claim 5, characterized in that: the mounting ring is also hinged with a shifting plate.
7. An electric machine as claimed in claim 1, characterized in that: the locking mechanism comprises a telescopic block which is arranged at one end of the rear end cover close to the motor body, the telescopic block is arranged on the rear end cover along the radial direction of the motor body, and a telescopic mechanism for driving the telescopic block to stretch is further arranged in the rear end cover;
the inner wall of the first ring groove is further provided with a locking plate, and the locking plate is provided with a telescopic hole for the telescopic block to penetrate through.
8. An electric machine as claimed in claim 7, characterized in that: the locking plate is provided with an adjusting groove, and the adjusting groove is formed in the locking plate along the circumferential direction of the motor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010376200.2A CN111525727B (en) | 2020-05-07 | 2020-05-07 | Electric machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010376200.2A CN111525727B (en) | 2020-05-07 | 2020-05-07 | Electric machine |
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| Publication Number | Publication Date |
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| CN111525727A CN111525727A (en) | 2020-08-11 |
| CN111525727B true CN111525727B (en) | 2021-09-17 |
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| CN112238553A (en) * | 2020-09-04 | 2021-01-19 | 上海凯乐输液器厂有限公司 | Production equipment of infusion apparatus and production and packaging process thereof |
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| JP4070226B2 (en) * | 1998-08-26 | 2008-04-02 | 本田技研工業株式会社 | Electromagnetic linear actuator |
| CN208158307U (en) * | 2018-05-30 | 2018-11-27 | 轩建举 | A kind of decelerating motor end cap |
| CN209844691U (en) * | 2019-05-17 | 2019-12-24 | 常州欧德思电机电器有限公司 | Three-phase asynchronous motor convenient to clearance |
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