CN214848460U

CN214848460U - Novel release subassembly

Info

Publication number: CN214848460U
Application number: CN202121414511.XU
Authority: CN
Inventors: 汪圣茂
Original assignee: Zhejiang Etk Electric Co ltd
Current assignee: Zhejiang Etk Electric Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-11-23
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a novel tripper subassembly, include closing cap, traction lever, move iron core, quiet iron core and thermal tripping assembly, the quiet iron core of bottom fixedly connected with of support one side, the top swing joint of support one side has moves the iron core, the intermediate position fixedly connected with thermal tripping assembly of closing cap one side, the top traction lever of closing cap one side, the intermediate position fixedly connected with push rod of traction lever. The utility model discloses a moving the iron core, quiet iron core, thermal trip assembly and bimetallic strip set up, the dropout operation of body mechanism has been realized, overload power can make thermal trip assembly generate heat, thereby make thermal trip assembly can transmit the heat for the bimetallic strip, make the bimetallic strip be heated and warp, make the bimetallic strip can drive the traction lever and remove, make the traction lever can promote to move the iron core and move downwards, and produce magnetic field and can make quiet iron core magnetization when thermal trip assembly short circuit, make quiet iron core can attract moving the iron core, thereby realize the dropout operation to body mechanism.

Description

Novel release subassembly

Technical Field

The utility model relates to a release technical field specifically is a novel release subassembly.

Background

The trip unit is a device mechanically coupled to the circuit breaker for releasing the hold-down mechanism and automatically opening the circuit breaker. The protection circuit breaker has the advantages that when a circuit has electric leakage or a human body is in electric shock, the vector sum of currents passing through the zero sequence current transformer is not equal to zero, voltages are generated on two sides of a secondary coil of the transformer and are amplified through an integrated circuit, when a set value is reached, a power supply is cut off within 0.1 second through the electric leakage tripper, and therefore the electric shock and electric leakage protection effects are achieved. In order to prevent the failure of consumers and the damage to consumers in the event of an abnormality in the power supply network, more reliable and more protective circuit breakers have been developed on the basis of conventional circuit breakers. With the development of microelectronic technology, the appearance of integrated circuits has greatly reduced the volume of common electronic circuits, so that multifunctional releases based on application-specific integrated circuits have appeared, and the development of multifunctional circuit breakers has been promoted. Meanwhile, the development of microcomputer technology also provides conditions for the intellectualization of low-voltage appliances. The intelligent release is the core component of the intelligent circuit breaker, and not only can provide various protection functions of the common circuit breaker, but also can display various parameters (current, voltage, power factor and the like) in a circuit in real time, and has the functions of communicating with a PC (personal computer) and the like.

The types of the prior trippers in the market are various, and the prior tripper assembly almost meets the normal requirements in life, but has lower performance and unstable performance in the using process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel release subassembly to the performance that proposes among the solution above-mentioned background art is than low problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel tripper subassembly, includes closing cap, traction lever, moves iron core, quiet iron core and thermal tripping assembly, a plurality of supports of bottom fixedly connected with of closing cap one side, the quiet iron core of bottom fixedly connected with of support one side, the top swing joint of support one side has and moves the iron core, the intermediate position fixedly connected with thermal tripping assembly of closing cap one side, the top fixedly connected with bimetallic strip of thermal tripping assembly, the bottom fixedly connected with stationary blade of bimetallic strip, the top traction lever of closing cap one side, the bottom fixedly connected with connecting pad of traction lever one side, the intermediate position fixedly connected with push rod of traction lever.

Preferably, move one side fixedly connected with reset spring of iron core, reset spring's bottom and support fixed connection, reset spring can realize that the separation of iron core and quiet iron core is moved to the back realization that the suction force disappears.

Preferably, the middle position of the top end of the movable iron core is fixedly connected with a fixing screw rod, the outer portion of the fixing screw rod is movably connected with an adjusting nut, and the adjusting nut is located at the top end of the connecting gasket.

Preferably, a placing groove is formed in the middle of the interior of the thermal tripping assembly, and a screw hole is formed in the middle of the interior of the placing groove.

Preferably, a first mounting hole is formed in the top end of the inner portion of the bimetallic strip, and a first mounting bolt is movably connected to the inner portion of the first mounting hole.

Preferably, the middle position inside the fixing plate is provided with a second mounting hole, the inside swing joint of second mounting hole has a second mounting bolt, drives bimetallic strip 8 and goes into the inside back of standing groove 701 with stationary blade 804 card, rotates second mounting bolt 803 this moment, makes second mounting bolt 803 can turn over into inside screw 702 to it installs inside thermal trip assembly 7 to realize bimetallic strip 8.

Compared with the prior art, the beneficial effects of the utility model are that:

this kind of novel tripper subassembly of closing cap, move the iron core through setting up, quiet iron core, thermal trip assembly and bimetallic strip, the dropout operation of body mechanism has been realized, overload power can make thermal trip assembly generate heat, thereby make thermal trip assembly can give bimetallic strip with heat transfer, make bimetallic strip be heated and warp, make bimetallic strip can drive the traction lever and remove, make the traction lever can promote to move the iron core and move down, and it can make quiet iron core magnetization to produce magnetic field when thermal trip assembly short circuit, make quiet iron core can attract moving the iron core, thereby realize the dropout operation to body mechanism.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the three-dimensional structure of the thermal trip assembly of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic top view of the thermal trip assembly of the present invention.

In the figure: 1. sealing the cover; 2. a draw bar; 201. connecting a gasket; 3. a support; 4. a push rod; 5. a movable iron core; 501. a return spring; 502. adjusting the nut; 503. fixing the screw rod; 6. a stationary iron core; 7. a thermal trip assembly; 701. a placement groove; 702. a screw hole; 8. a bimetal; 801. a first mounting bolt; 802. a first mounting hole; 803. a second mounting bolt; 804. a fixing sheet; 805. and a second mounting hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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. 1-4, the present invention provides an embodiment: a novel tripper component comprises a sealing cover 1, a traction rod 2, a movable iron core 5, a static iron core 6 and a thermal tripping assembly 7, wherein the bottom end of one side of the sealing cover 1 is fixedly connected with a plurality of supports 3, the bottom end of one side of each support 3 is fixedly connected with the static iron core 6, the top end of one side of each support 3 is movably connected with the movable iron core 5, and the thermal tripping assembly 7 generates a magnetic field when in short circuit to magnetize the static iron core 6, so that the static iron core 6 can attract the movable iron core 5;

one side of the movable iron core 5 is fixedly connected with a return spring 501, the bottom end of the return spring 501 is fixedly connected with the support 3, and the return spring 501 can realize the separation of the movable iron core 5 and the static iron core 6 after the suction force disappears;

the middle position of the top end of the movable iron core 5 is fixedly connected with a fixed screw 503, the outside of the fixed screw 503 is movably connected with an adjusting nut 502, the adjusting nut 502 is positioned at the top end of the connecting gasket 201, and the initial position of the movable iron core 5 can be adjusted by adjusting the position of the adjusting nut 502 outside the fixed screw 503;

a thermal trip assembly 7 is fixedly connected to the middle position of one side of the sealing cover 1, a placing groove 701 is arranged at the middle position inside the thermal trip assembly 7, a screw hole 702 is arranged at the middle position inside the placing groove 701, a bimetallic strip 8 is fixedly connected to the top end of the thermal trip assembly 7, a first mounting hole 802 is arranged at the top end inside the bimetallic strip 8, a first mounting bolt 801 is movably connected inside the first mounting hole 802, a second mounting hole 805 is arranged at the middle position inside the fixed strip 804, a second mounting bolt 803 is movably connected inside the second mounting hole 805, the second mounting bolt 803 can be inserted into the second mounting hole 805, and the bimetallic strip 8 drives the fixing piece 804 to be clamped into the placing groove 701, at this time, the second mounting bolt 803 can be rotated, so that the second mounting bolt 803 can be rotated into the screw hole 702, and the bimetallic strip 8 can be mounted inside the thermal trip assembly 7;

the bottom fixedly connected with stationary blade 804 of bimetallic strip 8, the top traction lever 2 of closing cap 1 one side, the bottom fixedly connected with of traction lever 2 one side connects gasket 201, the intermediate position fixedly connected with push rod 4 of traction lever 2, overload electric power can make thermal tripping assembly 7 generate heat to make thermal tripping assembly 7 can give bimetallic strip 8 with the heat transfer, make bimetallic strip 8 be heated and warp, make bimetallic strip 8 can drive the traction lever 2 and remove.

When the embodiment of the application is used, the second mounting bolt 803 can be inserted into the second mounting hole 805, and the bimetallic strip 8 drives the fixing piece 804 to be clamped into the placing groove 701, at this time, the second mounting bolt 803 can be rotated, so that the second mounting bolt 803 can be rotated into the screw hole 702, thereby realizing that the bimetallic strip 8 is mounted inside the thermal trip assembly 7, and can be inserted into the first mounting hole 802 through the first mounting bolt 801, and the first mounting bolt 801 can be rotated into one side inside the drawbar 2, so as to realize the mounting between the bimetallic strip 8 and the drawbar 2, so that the replacement operation of the bimetallic strip 8 can be conveniently realized, the fixing screw 503 can be moved to a proper position inside the connecting gasket 201, so that the fixing screw 503 can drive the movable iron core 5 to be moved to a proper position, and the adjusting nut 502 can be rotated outside the fixing screw 503, so that the adjusting nut 502 can be moved outside the fixing screw 503, make adjusting nut 502 can press the top at connecting pad 201, thereby realize moving the fixed of iron core 5 position, then can adjust the initial position who moves iron core 5 according to the demand, overload power can make thermal trip assembly 7 generate heat, thereby make thermal trip assembly 7 can give bimetallic strip 8 with heat transfer, make bimetallic strip 8 be heated and warp, make bimetallic strip 8 can drive drawbar 2 and remove, make drawbar 2 can promote and move iron core 5 downstream, and produce magnetic field and can make quiet iron core 6 magnetize when thermal trip assembly 7 short circuit, make quiet iron core 6 can attract moving iron core 5, thereby realize the dropout operation to body mechanism.

Claims

1. A novel release subassembly which characterized in that: comprises a sealing cover (1), a draw bar (2), a movable iron core (5), a static iron core (6) and a thermal tripping assembly (7), the bottom end of one side of the sealing cover (1) is fixedly connected with a plurality of brackets (3), the bottom end of one side of each bracket (3) is fixedly connected with a static iron core (6), the top end of one side of the bracket (3) is movably connected with a movable iron core (5), the middle position of one side of the sealing cover (1) is fixedly connected with a thermal tripping assembly (7), the top end of the thermal trip assembly (7) is fixedly connected with a bimetallic strip (8), the bottom end of the bimetallic strip (8) is fixedly connected with a fixing plate (804), a top end draw bar (2) at one side of the sealing cover (1), the bottom end of one side of the traction rod (2) is fixedly connected with a connecting gasket (201), a push rod (4) is fixedly connected to the middle position of the traction rod (2).

2. The novel trip unit assembly of claim 1, wherein: one side of the movable iron core (5) is fixedly connected with a return spring (501), and the bottom end of the return spring (501) is fixedly connected with the support (3).

3. The novel trip unit assembly of claim 1, wherein: the middle position of the top end of the movable iron core (5) is fixedly connected with a fixing screw rod (503), the outer portion of the fixing screw rod (503) is movably connected with an adjusting nut (502), and the adjusting nut (502) is located at the top end of the connecting gasket (201).

4. The novel trip unit assembly of claim 1, wherein: a placing groove (701) is formed in the middle of the interior of the thermal tripping assembly (7), and a screw hole (702) is formed in the middle of the interior of the placing groove (701).

5. The novel trip unit assembly of claim 1, wherein: the top end of the interior of the bimetallic strip (8) is provided with a first mounting hole (802), and a first mounting bolt (801) is movably connected to the interior of the first mounting hole (802).

6. The novel trip unit assembly of claim 1, wherein: a second mounting hole (805) is formed in the middle of the inside of the fixing plate (804), and a second mounting bolt (803) is movably connected to the inside of the second mounting hole (805).