CN217833511U - Electromagnetic excitation pin pulling device with self-locking function - Google Patents
Electromagnetic excitation pin pulling device with self-locking function Download PDFInfo
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- CN217833511U CN217833511U CN202221280773.6U CN202221280773U CN217833511U CN 217833511 U CN217833511 U CN 217833511U CN 202221280773 U CN202221280773 U CN 202221280773U CN 217833511 U CN217833511 U CN 217833511U
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- steel ball
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- locking
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Abstract
The utility model discloses an electromagnetic excitation pin pulling device with self-locking function, which comprises a coil component, an armature and a steel ball sleeve, wherein a steel ball is arranged in a hole formed in the side wall of the steel ball sleeve, a lock pin can move in the inner hole of the steel ball sleeve, the armature is connected with a connecting sleeve, and a tension spring is arranged between the armature and the lock pin; the steel ball can be locked between the conical surface on the lock pin and the inner hole of the connecting sleeve; when the coil assembly is electrified, the armature moves under the action of suction, the connecting sleeve moves along with the armature, the steel ball enters the groove of the inner hole of the connecting sleeve, the blocking of the lock pin is removed by the steel ball, and the lock pin moves under the action of the tension spring. The pin pulling assembly adopts a steel ball locking structure, and reduces the requirement of pin pulling force through the angle matching of the steel ball, the connecting sleeve and the lock pin, so that the volume and the mass of the electromagnet can be reduced, and the space is saved.
Description
Technical Field
The utility model belongs to the pull pin field especially relates to an electromagnetic excitation pull pin device that possesses from locking.
Background
The rudder wing generates huge load before unfolding, the pin puller needs to overcome the load and keep locking, and meanwhile, the huge load generates huge resistance to pin pulling action, so that the pin puller has larger self weight and volume in order to improve pin pulling force.
At present, the electric pin puller mostly overcomes resistance brought by load directly through electromagnetic force, so that the requirement on the electromagnetic force is large, and the weight and the volume of the electromagnet are large. In order to maintain the lock before the pin is pulled out, a spring or other durable and common means is often used.
SUMMERY OF THE UTILITY MODEL
Purpose of the utility model
In order to solve the problem, the utility model provides an electromagnetism that possesses from locking arouses pin pulling device, small in volume quality, the durability is good, the response rapidly, possess manual reset function, through the cooperation of lockpin, adapter sleeve and steel ball, has reduced the pin pulling power of needs greatly, has compensatied the shortcoming of ordinary electric pin puller structure.
Technical solution of utility model
An electromagnetic excitation pin pulling device with self-locking function comprises a coil assembly, an armature and a steel ball sleeve, wherein a steel ball is arranged in a hole formed in the side wall of the steel ball sleeve, a lock pin can move in the inner hole of the steel ball sleeve, the armature is connected with a connecting sleeve, and a tension spring is arranged between the armature and the lock pin; the steel ball can be locked between the conical surface on the lock pin and the inner hole of the connecting sleeve; when the coil assembly is electrified, the armature moves under the action of suction, the connecting sleeve moves along with the armature, the steel ball enters the groove of the inner hole of the connecting sleeve, the blocking of the lock pin is removed by the steel ball, and the lock pin moves under the action of the tension spring.
Preferably, a return spring is arranged between the coil assembly and the armature.
Preferably, the inner hole of the armature is provided with a pull spring, and two ends of the pull spring are respectively connected with the pull spring and the lock pin.
Preferably, the coil assembly is fixed in the electromagnet housing, and the support is connected with the electromagnet housing.
Preferably, the steel ball sleeve is arranged in an inner hole of the support, and the support axially limits the steel ball sleeve.
Preferably, the connecting sleeve is screwed on the end of the armature far away from the coil component.
Preferably, the lock pin is of a two-section stepped shaft-shaped structure, the diameter of one end, close to the armature, of the lock pin is smaller than that of the other end of the lock pin, and the two sections are connected through a conical surface.
Preferably, the big end of the lock pin is in clearance fit with the inner hole of the steel ball sleeve.
Preferably, the groove of the inner hole of the connecting sleeve is arranged at one end of the connecting sleeve, which is far away from the coil assembly.
Preferably, the end face of the lock pin, which is far away from the coil assembly, is provided with a threaded hole.
The utility model has the advantages that: the pin pulling assembly adopts a steel ball locking structure, and reduces the requirement of pin pulling force through the angle matching of the steel ball, the connecting sleeve and the lock pin, so that the volume and the mass of the electromagnet are reduced, and the space is saved; the steel ball locking has higher reliability compared with the spring locking, the steel ball has longer service life and wider applicability, and the steel ball locking structure also has the advantage of small volume and mass; the steel ball lock structure can be suitable for higher loading force requirements, improves the working load from hundreds of newtons to thousands of newtons, and has wider application range and more superior performance.
Drawings
Fig. 1 is a cross-sectional view of an electromagnetic excitation pin pulling apparatus with self-locking according to the present invention.
In the figure: the device comprises an electromagnet shell 1, a coil assembly 2, a return spring 3, a pull reed 4, a tension spring 5, an armature 6, a connecting sleeve 7, a steel ball 8, a support 9, a steel ball sleeve 10 and a lock pin 11.
Detailed Description
The utility model discloses a realize through following technical scheme.
If fig. 1, an electromagnetic excitation pin pulling device who possesses self-locking, including electromagnet housing 1, coil pack 2, reset spring 3, extension spring piece 4, extension spring 5, armature 6, adapter sleeve 7, steel ball 8, support 9, steel ball cover 10 and lockpin 11, coil pack 2, armature 6 sets up in electromagnet housing 1, support 9 and electromagnet housing 1 threaded connection, be provided with steel ball cover 10 on the support 9, be provided with steel ball 8 in the hole on the steel ball cover 10 lateral wall, and have on the support 9 and carry out axial spacing step to steel ball cover 10. The lock pin 11 is arranged in the inner hole of the steel ball sleeve 10. A return spring 3 is arranged between a coil rack and an armature 6 in the coil component 2, a pull spring 4 is arranged in an inner hole of the armature 6 and limited by a step of the inner hole of the armature 6, two ends of a tension spring 5 are respectively connected with one end of the pull spring 4 and one end of a lock pin 11, and the other end of the lock pin 11 is provided with a threaded hole. The lock pin 11 is of a two-section stepped shaft structure, the diameter of one end, connected with the tension spring 5, of the lock pin 11 is smaller than that of the other end of the lock pin, and the large end and the small end of the lock pin are connected through conical surfaces. A connecting sleeve 7 is arranged between the armature 6 and a support 9, the support 9 is provided with a step for axially limiting the connecting sleeve 7, the connecting sleeve 7 of the connecting sleeve 7 is connected with the armature 6 through threads, and an inner hole of one end, far away from the armature 6, of the connecting sleeve 7 is provided with a groove. In the initial state, when the coil assembly 2 is not electrified, the steel ball 8 is positioned in the hole of the steel ball sleeve 10 and is locked between the conical surfaces of the connecting sleeve 7 and the lock pin 11. When the coil component 2 is electrified, suction force is generated, the armature 6 overcomes the spring force of the return spring 3 to move towards the coil component 2 under the action of the suction force, the connecting sleeve 7 moves along with the armature 6, the steel ball 8 enters the groove on the connecting sleeve 7, the blocking of the steel ball 8 to the lock pin 11 disappears, and the lock pin 11 moves towards the direction close to the coil component under the action of the tension force of the tension spring 5. When the coil component 2 is powered off, the steel ball 8 is blocked by the large end of the lock pin 11 and still locked in the groove on the connecting sleeve 7, the armature 6 cannot reset, and the lock pin 11 is still kept at the position of the coil component 2 when the coil component 2 is powered on under the action of the tension spring 5.
When the steel ball 8 needs to be reset, the screw rod is screwed into the threaded hole of the lock pin 11 under the condition of power failure, the lock pin 11 is pulled to overcome the action of the tension spring 5, and the resetting is completed when the steel ball 8 slides into the small end of the lock pin 11.
The above embodiments are only for illustrating the technical conception and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, so as not to limit the protection scope of the present invention, and all the equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (10)
1. The electromagnetic excitation pin pulling device with the self-locking function is characterized by comprising a coil assembly (2), an armature (6) and a steel ball sleeve (10), wherein a steel ball (8) is arranged in a hole formed in the side wall of the steel ball sleeve (10), a lock pin (11) can move in the inner hole of the steel ball sleeve (10), the armature (6) is connected with a connecting sleeve (7), and a tension spring (5) is arranged between the armature (6) and the lock pin (11); the steel ball (8) can be locked between the conical surface of the lock pin (11) and the inner hole of the connecting sleeve (7); when the coil component (2) is electrified, the armature (6) moves under the action of suction, the connecting sleeve (7) moves along with the armature (6), the steel ball (8) enters the groove of the inner hole of the connecting sleeve (7), the steel ball (8) releases the blocking of the lock pin (11), and the lock pin (11) moves under the action of the tension spring (5).
2. An electromagnetically excited pin puller with self-locking as claimed in claim 1, characterized in that a return spring (3) is arranged between the coil block (2) and the armature (6).
3. An electromagnetic excitation pin pulling device with self-locking as claimed in claim 1, characterized in that the inner hole of the armature (6) is provided with a pulling spring piece (4), and two ends of the pulling spring (5) are respectively connected with the pulling spring piece (4) and the locking pin (11).
4. An electromagnetically activated pin puller with self-locking as claimed in claim 1, characterized in that the coil block (2) is fixed in the electromagnet housing (1) and the support (9) is connected to the electromagnet housing (1).
5. An electromagnetically excited pin puller with self-locking function as claimed in claim 4, wherein the steel ball sleeve (10) is arranged in the inner hole of the support (9), and the support (9) axially limits the steel ball sleeve (10).
6. An electromagnetically excited pin puller with self-locking as claimed in claim 1, characterized in that the connecting sleeve (7) is screwed to the armature (6) at the end remote from the coil block (2).
7. The electromagnetic excitation pin pulling device with the self-locking function as claimed in claim 1, wherein the lock pin (11) is of a two-section stepped shaft-shaped structure, the diameter of one end close to the armature (6) is smaller than that of the other end, and the two sections are connected through a conical surface.
8. An electromagnetically activated pin puller with self locking as claimed in claim 7, characterized in that the large end of the locking pin (11) is in clearance fit with the inner hole of the steel ball socket (10).
9. An electromagnetically excited pin puller with self-locking function as claimed in claim 6, wherein the slot of the inner hole of the connecting sleeve (7) is opened at the end of the connecting sleeve (7) far away from the coil block (2).
10. An electromagnetically activated pin puller with self-locking as claimed in claim 1, characterized in that the end face of the locking pin (11) remote from the coil block (2) is provided with a threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221280773.6U CN217833511U (en) | 2022-05-25 | 2022-05-25 | Electromagnetic excitation pin pulling device with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221280773.6U CN217833511U (en) | 2022-05-25 | 2022-05-25 | Electromagnetic excitation pin pulling device with self-locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217833511U true CN217833511U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221280773.6U Active CN217833511U (en) | 2022-05-25 | 2022-05-25 | Electromagnetic excitation pin pulling device with self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217833511U (en) |
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2022
- 2022-05-25 CN CN202221280773.6U patent/CN217833511U/en active Active
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