CN216162542U - Connecting knob of micromotor output shaft - Google Patents
Connecting knob of micromotor output shaft Download PDFInfo
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- CN216162542U CN216162542U CN202121722069.7U CN202121722069U CN216162542U CN 216162542 U CN216162542 U CN 216162542U CN 202121722069 U CN202121722069 U CN 202121722069U CN 216162542 U CN216162542 U CN 216162542U
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- thimble
- output shaft
- micro
- ejector pin
- micromotor
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Abstract
The utility model provides a connecting knob of a micromotor output shaft, which is characterized in that: comprises a limiting sleeve, a plurality of elastic thimble assemblies and a thimble positioning sleeve for positioning the thimble assemblies; the limiting sleeve, the thimble positioning sleeve and the limiting sleeve are connected; the thimble assemblies penetrate through the thimble positioning sleeve and are uniformly arranged along the circumferential direction of the thimble positioning sleeve; one end of the ejector pin assembly is used as an inserting and positioning station of the output shaft of the micro motor, and the other end of the ejector pin assembly abuts against the limiting sleeve. The connecting knob of the output shaft of the micromotor has strong universality, and can realize matching connection with output shafts in different forms, so that the convenience and the rapidity of connection of the output shaft of the micromotor are improved, and the efficiency of detection of the output torque of the micromotor is improved.
Description
Technical Field
The utility model relates to the technical field of motor accessories, in particular to a connecting knob of a micromotor output shaft.
Background
The micro motor is applied in a matching way, and the output shaft has various forms, such as D type, I type, T type and the like. After the micro-motor is assembled and produced, the performance of the motor needs to be detected, the performance detection needs to detect the output torque of the micro-motor besides safety detection, and when the output torque of the micro-motor is detected, the output shaft is connected with the micro-motor.
The traditional detection method of the output torque of the micromotor is to manufacture a copying connector for connecting with an output shaft of the micromotor. In an actual application scene, the copying connector is required to be adjusted and aligned to the position of the output shaft of the micro motor for realizing butt joint of the copying connector and the output shaft of the micro motor in each connection, so that the operation is complicated, the butt joint time is long, and the efficiency is low; and the corresponding connectors are required to be replaced for the output shafts of the micromotors in different forms, so that the universality and the practicability of the connectors are poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a connecting knob of a micromotor output shaft; the connecting knob is strong in universality and can be matched and connected with output shafts in different forms, so that the convenience and the rapidity of connecting the output shafts of the micromotor are improved, and the efficiency of detecting the output torque of the micromotor is improved.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a connecting knob of an output shaft of a micromotor is characterized in that: comprises a limiting sleeve, a plurality of elastic thimble assemblies and a thimble positioning sleeve for positioning the thimble assemblies; the limiting sleeve, the thimble positioning sleeve and the limiting sleeve are connected; the thimble assemblies penetrate through the thimble positioning sleeve and are uniformly arranged along the circumferential direction of the thimble positioning sleeve; one end of the ejector pin assembly is used as an inserting and positioning station of the output shaft of the micro motor, and the other end of the ejector pin assembly abuts against the limiting sleeve.
One end of the thimble assembly is used as an inserting and positioning station of the output shaft of the micro motor, and the inserting and positioning station comprises the following steps: when the output shaft of the micromotor is in a plug-in state with the connecting knob, the bottom surface of the output shaft of the micromotor is in press connection with the thimble assemblies, and at least two thimble assemblies are positioned between the side plane of the output shaft of the micromotor and the inner wall of the thimble positioning sleeve, so that the output shaft of the micromotor is connected with the connecting knob and synchronously rotates when the micromotor rotates.
In the scheme, the D-type, I-type and T-type micro motor output shafts can be directly inserted into the positioning station from the limiting sleeves, corresponding ejector pin assemblies are pressed and connected according to the form of the micro motor output shafts, the rest parts or all the rest parts of the ejector pin assemblies are respectively positioned between the side plane of the micro motor output shafts and the inner wall of the ejector pin positioning sleeve, and the micro motor output shafts are stably clamped and pressed and positioned through the ejector pin assemblies or the ejector pin assemblies and the inner wall of the ejector pin positioning sleeve. The connecting knob is strong in universality and practicability, is applicable to connection of micromotor output shafts in any forms, can be aligned in the inserting angle and the inserting direction without adjusting the micromotor output shaft when in use, and can realize circumferential limitation by directly inserting the connecting knob, so that the convenience and the rapidity of connection of the micromotor output shafts are improved, and the efficiency of detection of the micromotor output torque is greatly improved.
Specifically, a rotating gap is formed between the thimble assembly positioned between the side plane of the output shaft of the micro motor and the inner wall of the thimble positioning sleeve and the side plane of the output shaft of the micro motor.
The center connecting line of the thimble assembly between the side plane of the micro motor output shaft and the inner wall of the thimble positioning sleeve is smaller than the width of the side plane. The design can ensure that the thimble assembly is completely clamped between the side plane and the inner wall of the thimble positioning sleeve, thereby improving the stability of the connection of the output shaft of the micro motor.
When the two thimble assemblies are positioned between the side plane of the output shaft of the micromotor and the inner wall of the thimble positioning sleeve, the two thimble assemblies are respectively arranged at two sides of the central line of the side plane.
The ejector pin assembly comprises an ejector pin and a spring; the ejector pin is formed by connecting a first ejector shaft and a second ejector shaft, and the radius of the first ejector shaft is larger than that of the second ejector shaft; the spring is sleeved on the second top shaft, one end of the spring abuts against the bottom of the first top shaft, and the other end of the spring abuts against the limiting sleeve.
The inner wall of the thimble positioning sleeve is provided with a mounting groove for positioning the thimble assembly; the mounting groove is axially formed along the thimble positioning sleeve, and the thimble assembly is mounted on the mounting groove. The design of the mounting groove not only can realize the positioning of the ejector pin assembly, but also can play a role in guiding the ejector pin assembly in the telescopic process.
The mounting grooves are circumferentially and uniformly distributed on the inner wall of the thimble positioning sleeve; the groove diameter of the mounting groove is larger than the radius of the thimble assembly. This design can make the thimble assembly firm the installation in the mounting groove.
The bottom of the thimble positioning sleeve is provided with through holes with the number equal to that of the thimble assemblies; the through hole is arranged opposite to the mounting groove, and the ejector pin assembly penetrates through the through hole to be abutted to the limiting sleeve. The design of the through hole can further improve the mounting stability of the thimble assembly.
The utility model also comprises a limiting sleeve for axially limiting the ejector pin assembly; the limit sleeve is connected with the ejector pin positioning sleeve and is provided with an end cover, and the end cover is contacted with the ejector pin assembly to realize axial limit of the ejector pin assembly;
the end cover is provided with a jack which is matched with the output shaft of the micromotor. The design of the limiting sleeve can limit the ejector pin assembly when the output shaft of the micromotor is pulled out.
The utility model also comprises a handle which is convenient for the rotary operation of the connecting knob; the handle is connected with the limiting sleeve.
Compared with the prior art, the utility model has the following advantages and beneficial effects: the connecting knob of the output shaft of the micromotor has strong universality, can realize matching connection with output shafts of different forms so as to synchronously rotate, thereby improving the convenience and the rapidity of connection of the output shaft of the micromotor and improving the efficiency of detection of the output torque of the micromotor.
Drawings
FIG. 1 is an exploded view of a connection knob of an output shaft of a micro-motor according to the present invention;
FIG. 2 is a schematic side view of a connection knob for the output shaft of the micromotor of the utility model;
FIG. 3 is a schematic view of the thimble locating sleeve of the connection knob of the micro-motor output shaft of the present invention;
FIG. 4 is a schematic view of the thimble assembly mounted in the thimble retaining sleeve mounting slot;
FIG. 5 is a schematic view of the connection of the output shaft of the micromotor to the connection knob;
FIG. 6 is a schematic diagram of the output shaft of the micro-motor after being plugged with the connection knob;
wherein, 1 is the restriction cover, 2 is the stop collar, 3 is thimble position sleeve, 4 is micromotor output shaft, 5 is the end cover, 6 is the jack, 7 is the thimble, 7.1 is the apical axis one, 7.2 is apical axis two, 7.3 is No. 1 thimble, 7.4 is No. 2 thimble, 8 is the spring, 9 is the mounting groove, 10 is the through-hole, 11 is the handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
The present embodiment will be described below by taking the output shaft of the micro-motor as a D-type.
As shown in fig. 1 to 6, the connection knob of the micro-motor output shaft of the present invention comprises a limiting sleeve 1, 5 ejector pin assemblies with elasticity, an ejector pin positioning sleeve 3 for positioning the ejector pin assemblies, and a limiting sleeve 2 for axially limiting the ejector pin assemblies, wherein the limiting sleeve 2, the ejector pin positioning sleeve 3, and the limiting sleeve 1 are sequentially connected, the ejector pin assemblies are inserted into the ejector pin positioning sleeve 3 and uniformly arranged along the circumference of the ejector pin positioning sleeve 3, one end of the ejector pin assembly is used as an insertion positioning station of the micro-motor output shaft 4, and the other end of the ejector pin assembly abuts against the limiting sleeve 1.
Specifically, the point that one end of the thimble assembly is used as the inserting and positioning station of the output shaft 4 of the micro-motor is that: under the state that the micromotor output shaft 4 is connected with the connecting knob in an inserting mode, the bottom surface of the D-shaped micromotor output shaft 4 is in compression joint with 3 ejector pin assemblies, and the two ejector pin assemblies are located between the side plane of the micromotor output shaft 4 and the inner wall of the ejector pin positioning sleeve 3, so that the micromotor output shaft 4 is connected with the connecting knob and synchronously rotates during rotation. In order to improve the connection stability of the micro-motor output shaft 4, the central connecting line of the two thimble assemblies positioned between the side plane of the micro-motor output shaft 4 and the inner wall of the thimble positioning sleeve 3 is smaller than the width of the side plane, and the two thimble assemblies are respectively arranged at two sides of the central line of the side plane. The ejector pin component positioned between the side plane of the micro motor output shaft 4 and the inner wall of the ejector pin positioning sleeve 3 has a rotating clearance with the side plane of the micro motor output shaft 4.
The ejector pin assembly comprises an ejector pin 7 and a spring 8, wherein the ejector pin 7 is formed by connecting a first ejector shaft 7.1 and a second ejector shaft 7.2, the radius of the first ejector shaft 7.1 is larger than that of the second ejector shaft 7.2, the spring 8 is sleeved on the second ejector shaft 7.2, one end of the spring 8 abuts against the bottom of the first ejector shaft 7.1, and the other end of the spring 8 abuts against the limiting sleeve 1.
The inner wall of the thimble positioning sleeve 3 is provided with a mounting groove 9 for positioning a thimble assembly, the bottom of the thimble positioning sleeve is provided with through holes 10 with the number equal to that of the thimble assemblies, wherein the mounting groove 9 is axially arranged along the thimble positioning sleeve 3 and is circumferentially and uniformly distributed on the inner wall of the thimble positioning sleeve 3, and the thimble assembly is mounted on the mounting groove 9. The through hole 10 is arranged opposite to the mounting groove 9, and the ejector pin assembly penetrates through the through hole 10 to abut against the limiting sleeve 1. In order to ensure that the thimble assembly is stably arranged in the mounting groove 9, the groove diameter of the mounting groove 9 is larger than the radius of a first 7.1 of a top shaft in the thimble assembly. The design of the mounting groove 9 can realize the positioning of the ejector pin assembly and can play a role in guiding the ejector pin assembly in the telescopic process.
The limiting sleeve 2 is provided with an end cover 5, the end cover 5 is in contact with one end, far away from a second 7.2, of the first 7.1 of the top shaft to realize axial limiting of the ejector pin assembly, the end cover 5 is provided with a jack 6, and the jack 6 is matched with the output shaft 4 of the micro motor. The design of the limiting sleeve 5 can limit the ejector pin assembly when the output shaft of the micromotor is pulled out.
The utility model also comprises a handle 11 which is convenient for the rotation operation of the connecting knob, and the handle 11 is connected with the limiting sleeve 1.
The connection knob of the embodiment is connected with the output shaft 4 of the D-type micromotor in such a way that: as shown in fig. 6, when the D-type micro-motor output shaft 4 is inserted, the end surface of the D-type micro-motor output shaft 4 is pressed to connect three ejector pin assemblies, and the other two ejector pin assemblies are respectively located between the side plane of the D-type micro-motor output shaft 4 and the inner wall of the ejector pin positioning sleeve 3; when the connecting knob drives the D-type micro-motor output shaft 4 to rotate clockwise or the D-type micro-motor output shaft 4 drives the connecting knob to rotate clockwise, the side plane and the side face with radian of the D-type micro-motor output shaft 4 are clamped and pressed through the No. 1 thimble 7.3 and the inner wall of the thimble positioning sleeve 3 respectively; when the connecting knob drives the D-type micro-motor output shaft 4 to rotate anticlockwise or the D-type micro-motor output shaft 4 drives the connecting knob to rotate anticlockwise, the side plane and the side face with the radian of the D-type micro-motor output shaft 4 are clamped and pressed through the No. 2 ejector pin 7.4 and the inner wall of the ejector pin positioning sleeve 3 respectively, and the micro-motor output shaft 4 can be connected with the connector and can rotate synchronously.
The connection knob of the present invention is not only adaptable to the connection of the D-type micro-motor output shaft 4 used in the present embodiment, but also applicable to I-type and T-type micro-motor output shafts. When the I-type micro-motor output shaft or the T-type micro-motor output shaft is inserted, the end part of the shaft end surface of the micro-motor output shaft is in press connection with one thimble assembly, and the four thimble assemblies are respectively positioned between two axial side planes and the inner wall of the thimble positioning sleeve. When the connecting knob drives the micro-motor output shaft to rotate or the micro-motor output shaft drives the connecting knob to rotate, the two side planes of the I-type micro-motor output shaft or the T-type micro-motor output shaft are clamped and pressed through the four ejector pin assemblies respectively, and the I-type micro-motor output shaft or the T-type micro-motor output shaft is connected with the connector and synchronously rotates.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A connecting knob of an output shaft of a micromotor is characterized in that: comprises a limiting sleeve, a plurality of elastic thimble assemblies and a thimble positioning sleeve for positioning the thimble assemblies; the thimble positioning sleeve is connected with the limiting sleeve; the thimble assemblies penetrate through the thimble positioning sleeve and are uniformly arranged along the circumferential direction of the thimble positioning sleeve; one end of the ejector pin assembly is used as an inserting and positioning station of the output shaft of the micro motor, and the other end of the ejector pin assembly abuts against the limiting sleeve.
2. The connection knob of the output shaft of the micro-motor according to claim 1, wherein: one end of the thimble assembly is used as an inserting and positioning station of the output shaft of the micro motor, and the inserting and positioning station comprises the following steps: when the output shaft of the micromotor is in a plug-in state with the connecting knob, the bottom surface of the output shaft of the micromotor is in press connection with the thimble assemblies, and at least two thimble assemblies are positioned between the side plane of the output shaft of the micromotor and the inner wall of the thimble positioning sleeve, so that the output shaft of the micromotor is connected with the connecting knob and synchronously rotates when the micromotor rotates.
3. The connection knob of the output shaft of the micro-motor according to claim 2, wherein: a rotating gap is formed between the thimble assembly positioned between the side plane of the micro-motor output shaft and the inner wall of the thimble positioning sleeve and the side plane of the micro-motor output shaft.
4. The connection knob of the output shaft of the micro-motor according to claim 2, wherein: the center connecting line of the thimble assembly between the side plane of the micro motor output shaft and the inner wall of the thimble positioning sleeve is smaller than the width of the side plane.
5. The connection knob of the output shaft of the micro-motor according to claim 2, wherein: when the two thimble assemblies are positioned between the side plane of the output shaft of the micromotor and the inner wall of the thimble positioning sleeve, the two thimble assemblies are respectively arranged at two sides of the central line of the side plane.
6. The connection knob of the output shaft of the micro-motor according to claim 1, wherein: the ejector pin assembly comprises an ejector pin and a spring; the ejector pin is formed by connecting a first ejector shaft and a second ejector shaft, and the radius of the first ejector shaft is larger than that of the second ejector shaft; the spring is sleeved on the second top shaft, one end of the spring abuts against the bottom of the first top shaft, and the other end of the spring abuts against the limiting sleeve.
7. The connection knob of the output shaft of the micro-motor according to claim 1, wherein: the inner wall of the thimble positioning sleeve is provided with a mounting groove for positioning the thimble assembly; the mounting groove is axially formed along the thimble positioning sleeve, and the thimble assembly is mounted on the mounting groove;
the mounting grooves are circumferentially and uniformly distributed on the inner wall of the thimble positioning sleeve; the groove diameter of the mounting groove is larger than the radius of the thimble assembly.
8. The connection knob of the output shaft of the micro-motor according to claim 6, wherein: the bottom of the thimble positioning sleeve is provided with through holes with the number equal to that of the thimble assemblies; the through hole is arranged opposite to the mounting groove, and the ejector pin assembly penetrates through the through hole to be abutted to the limiting sleeve.
9. The connection knob of an output shaft of a micro-motor according to any one of claims 1 to 8, wherein: the limiting sleeve is used for axially limiting the ejector pin assembly; the limit sleeve is connected with the ejector pin positioning sleeve and is provided with an end cover, and the end cover is contacted with the ejector pin assembly to realize axial limit of the ejector pin assembly;
the end cover is provided with a jack which is matched with the output shaft of the micromotor.
10. The connection knob of an output shaft of a micro-motor according to any one of claims 1 to 8, wherein: the handle is convenient for the connecting knob to rotate; the handle is connected with the limiting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121722069.7U CN216162542U (en) | 2021-07-27 | 2021-07-27 | Connecting knob of micromotor output shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121722069.7U CN216162542U (en) | 2021-07-27 | 2021-07-27 | Connecting knob of micromotor output shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216162542U true CN216162542U (en) | 2022-04-01 |
Family
ID=80836965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121722069.7U Active CN216162542U (en) | 2021-07-27 | 2021-07-27 | Connecting knob of micromotor output shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216162542U (en) |
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2021
- 2021-07-27 CN CN202121722069.7U patent/CN216162542U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A connecting knob for output shaft of micromotor Effective date of registration: 20220929 Granted publication date: 20220401 Pledgee: Industrial and Commercial Bank of China Limited Foshan Beijiao sub branch Pledgor: Guangdong Minzhuo Mechanical and Electrical Co.,Ltd. Registration number: Y2022980017004 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 33 Guangjiao Industrial Avenue, Guangjiao Community, Beijiao Town, Shunde District, Foshan City, Guangdong Province, 528311 Patentee after: Guangdong Minzhuo Mechanical and Electrical Co.,Ltd. Address before: 528311 No.1, south 2nd Road, Guangjiao Industrial Zone, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: Guangdong Minzhuo Mechanical and Electrical Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |