CN212303442U - Lever type manual opening electromagnetic switch - Google Patents
Lever type manual opening electromagnetic switch Download PDFInfo
- Publication number
- CN212303442U CN212303442U CN202021309027.6U CN202021309027U CN212303442U CN 212303442 U CN212303442 U CN 212303442U CN 202021309027 U CN202021309027 U CN 202021309027U CN 212303442 U CN212303442 U CN 212303442U
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- lever
- electromagnetic switch
- manual opening
- type manual
- shifting block
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Abstract
The utility model belongs to the technical field of electromagnetic switches, and relates to a lever-type manual opening electromagnetic switch, which comprises a shell, a coil, a transmission rod, a shifting block, a support and a lever; the shifting block is cylindrical, the outer wall of the cylinder is provided with an annular step groove which is coaxial with the shifting block, two sides of the support are provided with seat lugs, the seat lugs are provided with coaxial pin shaft holes, pin shafts are arranged in the pin shaft holes, the head of the lever is horizontal double-fork type, and the middle of the lever is provided with a pivot mounting hole for the pin shafts to be inserted; the inner wall of the shifting block is tightly connected with a transmission rod, the support is tightly connected with the upper surface of the shell, the lever is rotatably connected with seat lugs on two sides of the support through a pivot hole and a pin shaft, and fork tips of double forks at the head of the lever extend into the annular step groove. The utility model discloses effectively prevented when having shortened electromagnetic switch's response time the transfer line because of closing a floodgate is too violent and break up the emergence of the problem that the static contact supports the vase.
Description
Technical Field
The utility model belongs to the technical field of electromagnetic switch, a manual separating brake electromagnetic switch of lever is related to.
Background
An electromagnetic switch is a switch controlled by an electromagnet, namely a combination of the electromagnet and the switch. When the electromagnet coil is electrified, electromagnetic attraction is generated, the movable iron core pushes or pulls the switch contact to be closed, and therefore the controlled circuit is switched on. The contact structure of the electromagnetic switch generally adopts a contact form, namely, the moving contact is made into a bridge shape or a disk shape, so that the moving contact has a larger heat dissipation surface and a larger heat capacity. The magnetic system mostly adopts a solenoid electromagnet structure so as to meet the requirements of corresponding stroke, corresponding suction force, small volume and light weight. Electromagnetic switches are widely used in various industries.
With the development of science and technology in China, the requirements on electromagnetic switches in the aspects of high-speed rail and high-voltage power transmission are increasingly large, and the range is increasingly wide. However, the electromagnetic switch has a very large attraction force at the two ends after being switched on, and it is very difficult to manually switch off without external force, but there is no suitable tool for switching off the electromagnetic switch after being switched on site.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a lever manual separating brake electromagnetic switch is provided, it with the separating brake device integrated to electromagnetic switch on, made things convenient for the field personnel to carry out the separating brake operation to electromagnetic switch after the combined floodgate.
The utility model provides a technical scheme that technical problem took is: a lever type manual brake-separating electromagnetic switch comprises a shell 1, a coil 2, a transmission rod 3, a shifting block 4, a support 5 and a lever 6; the shifting block 4 is cylindrical, the outer wall of the cylinder is provided with an annular step groove 7 which is coaxial with the shifting block 4, two sides of the support 5 are provided with seat lugs 8, the seat lugs 8 are provided with coaxial pin shaft holes 9, pin shafts 10 are arranged in the pin shaft holes 9, the head of the lever 6 is horizontal double-fork-shaped, and the middle part of the lever 6 is provided with a pivot mounting hole 11 for inserting the pin shafts 10; the inner wall of the shifting block 4 is tightly connected with the transmission rod 3, the support 5 is tightly connected with the upper surface of the shell 1, the lever 6 is rotatably connected with the seat lugs 8 on two sides of the support 5 through a pivot hole 11 and a pin shaft 10, and the fork tips 12 of the double forks at the head of the lever 6 extend into the annular step groove 7.
Preferably, the prongs 12 are cylindrical with a horizontal axis.
Preferably, the outer diameter of the fork 12 is equal to the axial height of the annular step groove 7.
Preferably, the two ends of the pin shaft 10 are provided with clamp spring grooves 13, and clamp springs 14 are arranged in the clamp spring grooves 13.
Preferably, the tail part of the lever 6 is provided with a lever extension hole 15.
Preferably, the lever extension hole 15 is internally provided with an internal thread 16.
Preferably, the electromagnetic switch further comprises an extension rod 17, wherein an external thread 18 is arranged at one end of the extension rod 17, and the external thread 18 is matched with the internal thread 16.
Preferably, the end face of the housing 1 is further provided with a mounting hole 19.
The utility model has the advantages that:
1. the utility model discloses a set up the lever on electromagnetic switch, utilize lever principle easily to prize open because of the appeal greatly closely electromagnetic switch transfer line together.
2. The utility model discloses set up the shifting block on the transfer line, be equipped with the step groove on the shifting block to pry the part with lever head and set up to axis horizontal cylinder type, make and pry the time-varying sliding friction and be rolling friction, reduced frictional force, make the separating brake operation more light.
3. The utility model discloses the lever afterbody is equipped with the extension hole, and the downthehole screw thread that is equipped with makes things convenient for field operation personnel to use the arm of force length of extension rod extension lever, just can carry out the separating brake operation with littleer power.
Drawings
FIG. 1 is a perspective view of a lever-type manual opening electromagnetic switch;
FIG. 2 is a schematic perspective exploded view;
FIG. 3 is an enlarged view of the pedestal;
FIG. 4 is an enlarged view of the lever;
FIG. 5 is an enlarged view of a portion of the upper opening;
fig. 6 is a partially enlarged view of the downward opening.
In the figure: 1. a housing; 2. a coil; 3. a transmission rod; 4. shifting blocks; 5. a support; 6. a lever; 7. an annular step shaft; 8. a seat ear; 9. a pin shaft hole; 10. a pin shaft; 11. a pivot mounting hole; 12. a fork point; 13. a clamp spring groove; 14. a clamp spring; 15. a lever extension hole; 16. an internal thread; 17. an extension pole; 18. an external thread; 19 mounting holes.
Detailed Description
The related art in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is to be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, a lever-type manual opening electromagnetic switch comprises a shell 1, a coil 2, a transmission rod 3, a shifting block 4, a support 5 and a lever 6; the shifting block 4 is cylindrical, the outer wall of the cylinder is provided with an annular step groove 7 which is coaxial with the shifting block 4, two sides of the support 5 are provided with seat lugs 8, the seat lugs 8 are provided with coaxial pin shaft holes 9, pin shafts 10 are arranged in the pin shaft holes 9, the head of the lever 6 is horizontal double-fork-shaped, and the middle part of the lever 6 is provided with a pivot mounting hole 11 for inserting the pin shafts 10; the inner wall of the shifting block 4 is tightly connected with the transmission rod 3, the support 5 is tightly connected with the upper surface of the shell 1, the lever 6 is rotatably connected with the seat lugs 8 on two sides of the support 5 through a pivot hole 11 and a pin shaft 10, and the fork tips 12 of the double forks at the head of the lever 6 extend into the annular step groove 7.
Further, the fork 12 is cylindrical with a horizontal axis.
Further, the outer diameter of the fork 12 is equal to the axial height of the annular step groove 7.
Furthermore, the two ends of the pin shaft 10 are provided with clamp spring grooves 13, and clamp springs 14 are arranged in the clamp spring grooves 13.
Further, a lever extension hole 15 is arranged at the tail of the lever 6.
Further, an internal thread 16 is arranged in the lever extension hole 15.
Further, the electromagnetic switch further comprises an extension rod 17, wherein an external thread 18 is arranged at one end of the extension rod 17, and the external thread 18 is matched with the internal thread 16.
Furthermore, the end face of the shell 1 is also provided with a mounting hole 19.
Example (b):
when using the utility model discloses the time, when needs carry out the separating brake operation, only need with the internal thread extension hole of extension rod external screw thread one end precession lever afterbody. After the screw is screwed down, when the brake needs to be opened upwards, the extension rod is pressed downwards, and the brake is easily opened upwards successfully under the action of the lever arm of force. When the brake is required to be opened downwards, the extension rod is lifted upwards, and the brake is easily and successfully opened downwards under the action of the lever force arm.
To sum up, the utility model provides a manual separating brake electromagnetic switch of lever has made things convenient for the field personnel to carry out the separating brake operation to the electromagnetic switch after the combined floodgate on with the separating brake device is integrated to electromagnetic switch. Therefore, the utility model discloses possess extensive application prospect.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. A lever type manual opening electromagnetic switch comprises a shell (1), a coil (2) and a transmission rod (3), and is characterized by further comprising a shifting block (4), a support (5) and a lever (6); the shifting block (4) is cylindrical, an annular step groove (7) which is coaxial with the shifting block (4) is formed in the outer wall of the cylinder, seat lugs (8) are arranged on two sides of the support (5), coaxial pin shaft holes (9) are formed in the seat lugs (8), pin shafts (10) are arranged in the pin shaft holes (9), the head of the lever (6) is horizontal and double-fork-shaped, and a pivot mounting hole (11) for inserting the pin shafts (10) is formed in the middle of the lever (6);
the inner wall of the shifting block (4) is fixedly connected with the transmission rod (3), the support (5) is fixedly connected with the upper surface of the shell (1), the lever (6) is rotatably connected with the seat lugs (8) on two sides of the support (5) through a pivot mounting hole (11) and a pin shaft (10), and the fork tips (12) of the double forks at the head of the lever (6) extend into the annular step groove (7).
2. A lever type manual opening electromagnetic switch according to claim 1 wherein said prong (12) is cylindrical with a horizontal axis.
3. A lever type manual opening electromagnetic switch according to claim 2 wherein the outer diameter of the prong (12) is equal to the axial height of the annular step groove (7).
4. A lever type manual opening electromagnetic switch according to claim 1, wherein both ends of the pin shaft (10) are provided with clamp spring grooves (13), and clamp springs (14) are arranged in the clamp spring grooves (13).
5. A lever type manual opening electromagnetic switch according to claim 1, wherein the tail of the lever (6) is provided with a lever extension hole (15).
6. A lever type manual opening electromagnetic switch according to claim 5 wherein said lever extension aperture (15) is internally threaded (16).
7. A lever type manual opening electromagnetic switch according to claim 6, characterized in that the electromagnetic switch further comprises an extension rod (17), one end of the extension rod (17) is provided with an external thread (18), and the external thread (18) is matched with the internal thread (16).
8. A lever type manual opening electromagnetic switch according to claim 1, wherein the end face of the housing (1) is further provided with a mounting hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309027.6U CN212303442U (en) | 2020-07-07 | 2020-07-07 | Lever type manual opening electromagnetic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309027.6U CN212303442U (en) | 2020-07-07 | 2020-07-07 | Lever type manual opening electromagnetic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212303442U true CN212303442U (en) | 2021-01-05 |
Family
ID=73935285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021309027.6U Active CN212303442U (en) | 2020-07-07 | 2020-07-07 | Lever type manual opening electromagnetic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212303442U (en) |
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2020
- 2020-07-07 CN CN202021309027.6U patent/CN212303442U/en active Active
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