CN111049305A - Electric machine - Google Patents
Electric machine Download PDFInfo
- Publication number
- CN111049305A CN111049305A CN201911100935.6A CN201911100935A CN111049305A CN 111049305 A CN111049305 A CN 111049305A CN 201911100935 A CN201911100935 A CN 201911100935A CN 111049305 A CN111049305 A CN 111049305A
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- Prior art keywords
- guide groove
- motor
- sliding
- helical teeth
- section
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a motor, comprising; a motor housing, a rotor, and a stator; the rotor and the stator are arranged in the motor shell; the motor housing includes: the motor positioning device is provided with a thread section, a thin section and a thick section, wherein the thread section is used for fixing the motor, and the thick section is used for axially positioning the motor; the thread section is arranged between the thin section and the thick section; the outer diameter of the threaded section is larger than the diameter of the thin section and smaller than the diameter of the thick section; the thick section is provided with a one-way limiting mechanism which allows the motor shell to rotate in one way along the screwing direction of the external thread structure; one-way stop gear includes: the device comprises sliding inclined teeth, a spring, a connecting rod and a positioning pin, wherein the connecting rod is used for overcoming the elasticity of the spring to pull the sliding inclined teeth to slide, and the positioning pin is used for driving the connecting rod to move; the motor shell is provided with a sliding groove for guiding the sliding helical teeth to slide along the radial direction of a motor shaft of the motor and a guide groove for guiding the positioning pin to slide and matching with the positioning pin and limiting the position of the sliding helical teeth through a connecting rod. The invention has the advantage of convenient installation.
Description
Technical Field
The present invention relates to an electric machine.
Background
The existing motor is usually provided with bolt holes on a motor shell or a flange plate, and the motor is fixed by adopting bolts. But some motors are small in size and difficult to install due to the fact that bolt holes are difficult to arrange on the motors.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a miniaturized motor which is convenient to install.
In order to achieve the above object, the present invention adopts the following technical solutions:
an electric machine comprising; a motor housing, a rotor, and a stator; the rotor and the stator are arranged in the motor shell; the motor housing includes: the motor positioning device is provided with a thread section, a thin section and a thick section, wherein the thread section is used for fixing the motor, and the thick section is used for axially positioning the motor; the thread section is arranged between the thin section and the thick section; the outer diameter of the threaded section is larger than the diameter of the thin section and smaller than the diameter of the thick section; the thick section is provided with a one-way limiting mechanism which allows the motor shell to rotate in one way along the screwing direction of the external thread structure; one-way stop gear includes: the device comprises sliding inclined teeth, a spring, a connecting rod and a positioning pin, wherein the connecting rod is used for overcoming the elasticity of the spring to pull the sliding inclined teeth to slide, and the positioning pin is used for driving the connecting rod to move; the motor shell is provided with a sliding chute for guiding the sliding helical teeth to slide along the radial direction of a motor shaft of the motor and a guide groove for guiding the positioning pin to slide and matching with the positioning pin and limiting the position of the sliding helical teeth through a connecting rod; the sliding helical teeth slide in the sliding grooves; the spring is positioned in the sliding groove; two ends of the spring are respectively contacted with the sliding helical teeth and the groove bottom of the sliding groove; the positioning pin is fixed to one end of the connecting rod; the other end of the connecting rod is rotatably connected to the sliding helical tooth; the positioning pin slides in the guide groove.
Furthermore, the one-way limiting mechanism has a one-way limiting state in which the sliding helical teeth protrude out of the outer surface of the motor shell and an unlocking limiting state in which the sliding helical teeth are fixed to be not protruded out of the outer surface of the motor shell; the motor also comprises an unlocking limiting mechanism used for enabling the one-way limiting mechanism to be in an unlocking limiting state; unblock stop gear includes: the pull rod is used for pulling the positioning pin to move, and the pull pin is used for being pulled by a user to drive the pull rod to move; one end of the pull rod is rotatably connected to the positioning pin; the pull pin is fixed to the other end of the pull rod; the pull pin slides in the guide groove; the guide groove comprises a first guide groove and a second guide groove; the first guide groove is communicated with the second guide groove; the positioning pin slides in the first guide groove; the pull pin slides in the first guide groove and the second guide groove; when the one-way limiting mechanism is in an unlocking limiting state, the pull pin is positioned in the second guide groove; when the one-way limiting mechanism is in the one-way limiting state, the pull pin is positioned in the first guide groove.
Further, one end of the first guide groove is communicated with one end of the second guide groove; the sliding helical teeth are provided with a first position and a second position, wherein the sliding helical teeth protrude out of the motor shell to the maximum position, and the outer ends of the sliding helical teeth are positioned at the inner side of the outer end surface of the motor shell; when the positioning pin is in contact with the groove wall at one end of the first guide groove, which is far away from the second guide groove, the sliding helical tooth is located at the first position; when the one-way limiting mechanism is located in the unlocking limiting state, the pull pin is in contact with the groove wall of one end, away from the first guide groove, of the second guide groove, and the sliding helical teeth are located at the second position.
Further, the sliding helical teeth are provided with middle positions relative to the motor shell, wherein the outer ends of the sliding helical teeth are flush with the outer end face of the motor shell; the intermediate position is located between the first position and the second position; when the sliding helical teeth are located at the middle position, the pull pin is located in the first guide groove.
Further, when the sliding helical tooth is located at the middle position, the pull pin is located between two ends of the first guide groove.
Further, the guide groove is inverted V-shaped.
Further, the first guide groove extends in a radial direction of a motor shaft of the motor; the extending direction of the second guide groove is inclined to the extending direction of the first guide groove.
Further, the included angle between the extending directions of the first guide groove and the second guide groove is an acute angle.
Furthermore, the sliding helical teeth, the sliding chutes, the springs and the connecting rods are arranged in groups; different connecting rods connected to different sliding helical teeth are connected to the same positioning pin.
Further, the number of sliding helical teeth is 2; the two sliding helical teeth are symmetrical about the center of a motor shaft of the motor.
The motor has the advantages that the motor is fixed in a unidirectional rotation mode through the external thread structure, and the motor is convenient to install.
The thick section is equipped with the one-way stop gear who allows motor casing to screw the one-way pivoted of direction along the external screw thread structure, prevents effectively that the motor from deviating from original position when using. The motor is not easy to loose.
When the pull pin is positioned in the second guide groove, the one-way limiting mechanism is in an unlocking limiting state, and the motor can be detached in a counterclockwise rotating mode through the external thread structure. The motor may also be mounted in a clockwise selective manner.
Drawings
FIG. 1 is a front view of an electric machine of the present invention;
FIG. 2 is a top view of the structure of FIG. 1;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the sliding helical tooth of the structure of FIG. 1 in a first position;
FIG. 5 is a schematic view of the sliding helical tooth of the structure of FIG. 1 in an intermediate position;
FIG. 6 is a schematic view of the sliding helical teeth of the structure of FIG. 1 in a second position;
FIG. 7 is an enlarged view at B in FIG. 4;
FIG. 8 is an enlarged view at C in FIG. 5;
FIG. 9 is an enlarged view at D of FIG. 6;
figure 10 is a schematic view of the structure of figure 1 in use.
The locking device comprises a motor 100, a motor shell 10, a threaded section 11, a thin section 12, a thick section 13, a one-way limiting mechanism 131, a sliding helical tooth 1311, a spring 1312, a connecting rod 1313, a positioning pin 1314, a sliding groove 14, a guide groove 15, a first guide groove 151, a second guide groove 152, an unlocking limiting mechanism 20, a pull rod 21 and a pull pin 22.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
As shown in fig. 1 to 10, an electric machine 100 includes; a motor housing 10, a rotor and a stator. The rotor and stator are mounted within a motor housing 10. The motor housing 10 includes: a threaded section 11, a fine section 12 and a coarse section 13. The threaded section 11 is provided with an external thread structure for fixing the motor 100. The thick section 13 is used for axial positioning of the electric machine 100. The threaded section 11 is disposed between the thin section 12 and the thick section 13. Specifically, the outer diameter of the threaded section 11 is larger than the diameter of the thin section 12 and smaller than the diameter of the thick section 13.
The thick section 13 is provided with a one-way limiting mechanism 131. The one-way stopper mechanism 131 allows the motor housing 10 to rotate in one direction in the screwing direction of the male screw structure. The one-way stopper mechanism 131 includes: sliding helical tooth 1311, spring 1312, link 1313 and dowel pin 1314. The link 1313 serves to pull the sliding helical tooth 1311 to slide against the elastic force of the spring 1312. The positioning pin 1314 is used for driving the connecting rod 1313 to move. The motor housing 10 is formed with a slide groove 14 and a guide groove 15. The slide groove 14 guides the sliding helical tooth 1311 to slide in a radial direction of the motor shaft 30 of the motor 100. The guide slot 15 guides the positioning pin 1314 to be slidably matched with the positioning pin 1314 to limit the position of the sliding helical tooth 1311 through the connecting rod 1313. Specifically, the guide groove 15 is inverted V-shaped. The sliding helical teeth 1311 slide in the sliding grooves 14. A spring 1312 is located within the slide channel 14. Both ends of the spring 1312 are in contact with the sliding helical teeth 1311 and the groove bottom of the sliding groove 14, respectively. The positioning pin 1314 is fixed to one end of the link 1313. The other end of the link 1313 is rotatably connected to the sliding helical tooth 1311. The positioning pin 1314 slides in the guide groove 15.
As a specific embodiment, the one-way stopper mechanism 131 has a one-way stopper state in which the sliding helical teeth 1311 protrude from the outer surface of the motor 100 case and an unlock stopper state in which the sliding helical teeth 1311 are fixed not to protrude from the outer surface of the motor 100 case.
The motor 100 also includes an unlocking limit mechanism 20. The unlocking limiting mechanism 20 is used for enabling the one-way limiting mechanism 131 to be in an unlocking limiting state. The unlocking limit mechanism 20 includes: a pull rod 21 and a pull pin 22. The pull rod 21 is used for pulling the positioning pin 1314 to move. The pull pin 22 is adapted to be pulled by a user to move the pull rod 21. One end of the pull rod 21 is rotatably connected to the positioning pin 1314. A pull pin 22 is fixed to the other end of the pull rod 21. The pull pin 22 slides in the guide groove 15. The guide groove 15 includes a first guide groove 151 and a second guide groove 152. The first guide groove 151 and the second guide groove 152 communicate. The positioning pin 1314 slides within the first guide groove 151. The pull pin 22 slides in the first guide groove 151 and the second guide groove 152. When the one-way stopper 131 is in the unlocked stopper state, the pull pin 22 is located in the second guide groove 152. When the one-way stopper mechanism 131 is in the one-way stopper state, the pull pin 22 is located in the first guide groove 151.
A motor base for mounting the motor 100 is provided with a stepped hole. The hole wall of the big end of the stepped hole is formed with mating teeth which mate with the sliding helical teeth 1311. When the motor 100 is installed in place, the mating teeth and the sliding helical teeth 1311 are mated to realize unidirectional rotation. Namely, the motor can only be rotated in the direction of mounting the motor, and can not be rotated in the direction of dismounting the motor. The stepped configuration of the stepped bore in cooperation with the end face of the thick section 13 limits the installation depth of the motor 100.
As a specific embodiment, one end of the first guide groove 151 communicates with one end of the second guide groove 152. The sliding helical teeth 1311 have a first position where the sliding helical teeth 1311 protrude from the motor housing 10 to a maximum position and a second position where the outer ends of the sliding helical teeth 1311 are located inside the outer end face of the motor housing 10, with respect to the motor housing 10. When the positioning pin 1314 contacts the wall of the first guide groove 151 at the end away from the second guide groove 152, the sliding helical tooth 1311 is located at the first position. When the one-way stopper 131 is in the unlocked stopper state, the pull pin 22 contacts the wall of the second guide groove 152 at the end away from the first guide groove 151, and the sliding helical tooth 1311 is located at the second position.
As a specific embodiment, the sliding helical teeth 1311 also have a middle position with respect to the motor housing 10 where the outer end of the sliding helical teeth 1311 is flush with the outer end face of the motor housing 10. The intermediate position is located between the first position and the second position. When the sliding helical teeth 1311 are located at the intermediate position, the pull pin 22 is located in the first guide groove 151. Specifically, when the sliding helical teeth 1311 are located at the intermediate position, the pull pin 22 is located between both ends of the first guide groove 151.
The outer end of the sliding helical teeth 1311 is flush with the outer end face of the motor housing 10. That is, the sliding helical teeth 1311 are in the intermediate position, the pull pin 22 is located between both ends of the first guide groove 151. That is to say, when the sliding helical teeth 1311 are in the one-way limit state, the motor 100 is rotated in the direction of mounting the motor 100, the sliding helical teeth 1311 hit the teeth that are engaged with the sliding helical teeth 1311, and the maximum position where the sliding helical teeth 1311 can be retracted, that is, the middle position where the outer end of the sliding helical teeth 1311 is flush with the outer end face of the motor housing 10, at this time, because the pull pin 22 is always located in the first guide groove 151 and does not move to the boundary between the first guide groove 151 and the second guide groove 152, the one-way limit mechanism 131 does not actively enter the second guide groove 152 due to the rotation of the motor 100, that is, the motor 100 does not enter the unlock limit state due to the rotation of the motor 100.
The one-way limiting mechanism 131 is used to limit the rotation of the external thread structure only in the clockwise direction (mounting direction) but not in the counterclockwise direction (dismounting direction), so as to prevent the motor 100 from being loosened under the influence of external factors after the motor 100 is mounted on the motor base.
When the motor needs to be disassembled, the sliding helical teeth 1311 need to be retracted out of contact with the mating teeth. Specifically, the pull pin 22 is pulled from the first guide groove 151 into the second guide groove 152 by pulling the pull pin 22. The sliding helical teeth 1311 are now restrained in the second position. The sliding helical teeth 1311 are not exposed and cannot contact mating teeth. At this time, the motor 100 can be rotated in a counterclockwise direction (detaching direction).
When the motor is installed, the pull pin 22 may also be placed in the second guide groove 152 to enable the motor to enter the unlocking limit state for installation.
As a specific embodiment, the first guide groove 151 extends in a radial direction of the motor shaft 30 of the motor 100. The extending direction of the second guide groove 152 is inclined to the extending direction of the first guide groove 151. Specifically, the angle between the extending directions of the first guide groove 151 and the second guide groove 152 is acute.
As a specific embodiment, the sliding helical tooth 1311, the sliding groove 14, the spring 1312 and the link 1313 are arranged in a group. Different links 1313 connected to different sliding cogs 1311 are connected to the same dowel 1314.
As a specific embodiment, the number of sliding helical teeth 1311 is 2. The two sliding helical teeth 1311 are symmetrical about the center of the motor shaft 30 of the motor 100.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. An electric machine comprising; a motor housing, a rotor, and a stator; the rotor and the stator are mounted into the motor housing; characterized in that the motor housing comprises: the motor positioning device is provided with a thread section, a thin section and a thick section, wherein the thread section is used for fixing the motor, and the thick section is used for axially positioning the motor; the threaded section is arranged between the thin section and the thick section; the outer diameter of the threaded section is larger than the diameter of the thin section and smaller than the diameter of the thick section; the thick section is provided with a one-way limiting mechanism which allows the motor shell to rotate in one way along the screwing direction of the external thread structure;
one-way stop gear includes: the device comprises sliding inclined teeth, a spring, a connecting rod and a positioning pin, wherein the connecting rod is used for overcoming the elasticity of the spring to pull the sliding inclined teeth to slide, and the positioning pin is used for driving the connecting rod to move; the motor shell is provided with a sliding groove for guiding the sliding helical teeth to slide along the radial direction of a motor shaft of the motor and a guide groove for guiding the positioning pin to slide and be matched with the positioning pin to limit the position of the sliding helical teeth through the connecting rod; the sliding helical teeth slide in the sliding grooves; the spring is positioned in the sliding groove; two ends of the spring are respectively contacted with the sliding helical teeth and the groove bottom of the sliding groove; the positioning pin is fixed to one end of the connecting rod; the other end of the connecting rod is rotatably connected to the sliding helical tooth; the positioning pin slides in the guide groove.
2. The electric machine of claim 1,
the one-way limiting mechanism is provided with a one-way limiting state in which the sliding helical teeth protrude out of the outer surface of the motor shell and an unlocking limiting state in which the sliding helical teeth are fixed to be not protruded out of the outer surface of the motor shell;
the motor also comprises an unlocking limiting mechanism which is used for enabling the one-way limiting mechanism to be in an unlocking limiting state; the unblock stop gear includes: the pull rod is used for pulling the positioning pin to move, and the pull pin is used for being pulled by a user to drive the pull rod to move; one end of the pull rod is rotatably connected to the positioning pin; the pull pin is fixed to the other end of the pull rod; the pull pin slides in the guide groove; the guide groove comprises a first guide groove and a second guide groove; the first guide groove is communicated with the second guide groove; the positioning pin slides in the first guide groove; the pull pin slides in the first guide groove and the second guide groove; when the one-way limiting mechanism is located in the unlocking limiting state, the pull pin is located in the second guide groove; when the one-way limiting mechanism is located in the one-way limiting state, the pull pin is located in the first guide groove.
3. The electric machine of claim 2,
one end of the first guide groove is communicated with one end of the second guide groove; the sliding helical teeth have a first position where the sliding helical teeth protrude from the motor housing to a maximum position and a second position where outer ends of the sliding helical teeth are located inside an outer end face of the motor housing, with respect to the motor housing; when the positioning pin is in contact with the groove wall of one end, far away from the second guide groove, of the first guide groove, the sliding helical teeth are located at the first position; when the one-way limiting mechanism is located in the unlocking limiting state, the pull pin is in contact with the groove wall of one end, away from the first guide groove, of the second guide groove, and the sliding helical teeth are located at the second position.
4. The electric machine of claim 3,
the sliding helical teeth also have a middle position relative to the motor housing where outer ends of the sliding helical teeth are flush with an outer end face of the motor housing; the intermediate position is between the first position and the second position; when the sliding helical teeth are located at the middle position, the pull pin is located in the first guide groove.
5. The electric machine of claim 4,
when the sliding helical teeth are located at the middle position, the pull pin is located between the two ends of the first guide groove.
6. The electric machine of claim 1,
the guide groove is inverted V-shaped.
7. The electric machine of claim 2,
the first guide groove extends along the radial direction of a motor shaft of the motor; the extending direction of the second guide groove is inclined to the extending direction of the first guide groove.
8. The electric machine of claim 7,
the included angle between the extending directions of the first guide groove and the second guide groove is an acute angle.
9. The electric machine of claim 1,
the sliding helical teeth, the sliding chute, the spring and the connecting rod are arranged in groups; different connecting rods connected to different sliding helical teeth are connected to the same positioning pin.
10. The electric machine of claim 1,
the number of the sliding helical teeth is 2; the two sliding helical teeth are symmetrical about the center of a motor shaft of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100935.6A CN111049305B (en) | 2019-11-12 | 2019-11-12 | Electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100935.6A CN111049305B (en) | 2019-11-12 | 2019-11-12 | Electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111049305A true CN111049305A (en) | 2020-04-21 |
| CN111049305B CN111049305B (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911100935.6A Active CN111049305B (en) | 2019-11-12 | 2019-11-12 | Electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111049305B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144730A (en) * | 1995-11-25 | 1997-06-03 | Toyomura Senpaku Kogyo Kk | Door locking pin of container |
| WO2002004812A1 (en) * | 2000-07-08 | 2002-01-17 | Tankol Gmbh | Positive displacement pump |
| CN201378764Y (en) * | 2009-03-06 | 2010-01-06 | 许群伟 | Motor with threaded outer casing for models |
| CN106351971A (en) * | 2015-07-14 | 2017-01-25 | 崔侃 | Radially engaging coupling system |
| CN108616184A (en) * | 2018-07-06 | 2018-10-02 | 扬州市东华星动力科技有限公司 | A kind of generating set being easily installed |
| CN208608827U (en) * | 2018-09-14 | 2019-03-15 | 淮安苏马电机科技有限公司 | A kind of sealing structure of permanent magnet synchronous motor end cap |
| CN209088680U (en) * | 2018-11-01 | 2019-07-09 | 南京世界村汽车动力有限公司 | A kind of end cap of driving motor |
-
2019
- 2019-11-12 CN CN201911100935.6A patent/CN111049305B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144730A (en) * | 1995-11-25 | 1997-06-03 | Toyomura Senpaku Kogyo Kk | Door locking pin of container |
| WO2002004812A1 (en) * | 2000-07-08 | 2002-01-17 | Tankol Gmbh | Positive displacement pump |
| CN201378764Y (en) * | 2009-03-06 | 2010-01-06 | 许群伟 | Motor with threaded outer casing for models |
| CN106351971A (en) * | 2015-07-14 | 2017-01-25 | 崔侃 | Radially engaging coupling system |
| CN108616184A (en) * | 2018-07-06 | 2018-10-02 | 扬州市东华星动力科技有限公司 | A kind of generating set being easily installed |
| CN208608827U (en) * | 2018-09-14 | 2019-03-15 | 淮安苏马电机科技有限公司 | A kind of sealing structure of permanent magnet synchronous motor end cap |
| CN209088680U (en) * | 2018-11-01 | 2019-07-09 | 南京世界村汽车动力有限公司 | A kind of end cap of driving motor |
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| Publication number | Publication date |
|---|---|
| CN111049305B (en) | 2021-04-20 |
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