CN209947773U - Thermomagnetic tripping mechanism - Google Patents

Abstract

The utility model discloses a thermomagnetic tripping device, the power distribution box comprises a box body, the equal fixedly connected with baffle-box in box top, bottom and its both sides, a plurality of buffer spring of bottom fixedly connected with in the baffle-box, buffer spring top fixedly connected with bottom buffer block, the bottom buffer block sets up in the baffle-box, the shifting chute has been seted up along the horizontal direction in bottom buffer block both sides, the baffle-box top is close to the movable block that shifting chute both sides fixedly connected with set up in the shifting chute, bottom buffer block lateral wall and baffle-box inside wall swing joint have cushioned the striking through setting up baffle-box and buffer spring, have solved the shell and have easily received the problem of strikeing and damaging.

Description

Thermomagnetic tripping mechanism

Technical Field

The utility model relates to a thermomagnetic dropout technical field specifically is a thermomagnetic tripping device.

Background

The thermomagnetic trip is an important component of the molded case circuit breaker, plays the roles of overload protection and short-circuit protection in the whole circuit breaker, and has stable and reliable performance and wide application. In the existing release of the circuit breaker, when an overload current exists in a circuit, a thermal protection element bimetallic strip is heated and deformed to push a traction rod, so that an operating mechanism acts to break the circuit; when short-circuit current exists in the circuit, the electromagnetic system generates electromagnetic force, and the armature moves to actuate the traction rod, so that the operating mechanism acts to disconnect the circuit. The position relation between the moving iron cores of the thermal release and the magnetic release of the existing thermal magnetic release is represented as front and back installation, the installation mode has the advantages of simple structure and easiness in installation for the circuit breaker with low requirement on the length direction, but the circuit breaker with the limitation on the length direction is difficult to realize by the existing installation mode and needs to be in an existing structure.

In the prior art, a small thermomagnetic release with the publication number of CN206921768U comprises a thermomagnetic release component and a magnetic release component, and is characterized in that: the thermal tripping assembly comprises a thermal element, the bimetallic strip is arranged on the thermal element, the overload current flows through the thermal element to heat the thermal element, and the bimetallic strip is heated and deformed to push the traction rod so as to drive the mechanism to act and trip; when short-circuit current is conducted in the thermal element, a magnetic field is generated to enable the magnetic tripping component to magnetize and push the traction rod, so that the mechanism is driven to act and trip.

However, the above-mentioned device still has the following obvious defects in the use process, and the shell is easy to be damaged by impact.

Therefore, the utility model provides a thermomagnetic tripping device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermomagnetic tripping device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thermomagnetic tripping device, includes the box, the equal fixedly connected with baffle-box in box top, bottom and its both sides, a plurality of buffer spring of bottom fixedly connected with in the baffle-box, buffer spring top fixedly connected with bottom buffer block, the bottom buffer block sets up in the baffle-box, the shifting chute has been seted up along the horizontal direction in bottom buffer block both sides, the baffle-box top is close to the movable block that shifting chute both sides fixedly connected with set up in the shifting chute, bottom buffer block lateral wall and baffle-box inside wall swing joint.

Through adopting above-mentioned technical scheme, through setting up baffle-box and buffer spring, cushioned the striking, solved the shell and easily received the problem of strikeing and damaging.

Preferably, one side of the bottom buffer block far away from the box body is fixedly connected with a top wear pad, and the top wear pad is parallel to the bottom buffer block.

Through adopting above-mentioned technical scheme, through setting up the wear pad in top, prevented wearing and tearing.

Preferably, the bottom of the moving block is fixedly connected with a cushion pad, and the cushion pad is arranged in the moving groove.

Through adopting above-mentioned technical scheme, through setting up the blotter, cushioned the striking.

Preferably, threaded connection has the locking bolt that runs through it and with bottom buffer block top threaded connection at top wear pad top, the locking bolt perpendicular to top wear pad, top wear pad is only fixed with the bottom buffer block through the locking bolt.

Through adopting above-mentioned technical scheme, through setting up the wear pad in top as dismantling, made things convenient for the change.

Preferably, the top of the top wear pad is rotatably connected with a rotating connecting shaft, the side wall of the rotating connecting shaft is fixedly connected with a cleaning plate, and the bottom of the cleaning plate is movably connected with the top of the top wear pad.

By adopting the technical scheme, the cleaning plate is arranged, so that the cleaning is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up baffle-box and buffer spring, having cushioned the striking, solved the shell and easily received the problem of assaulting and damaging, through setting up the top cushion, prevented wearing and tearing, through setting up the blotter, cushioned the striking, through setting up the top cushion to dismantling, made things convenient for the change, through setting up the cleaning plate, made things convenient for cleanly, the practicality is very strong, is worth promoting very much.

Drawings

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

FIG. 2 is a right side schematic view of the present invention;

fig. 3 is a schematic bottom structure diagram of the present invention.

In the figure: 1. a box body; 2. a buffer tank; 3. a buffer spring; 4. a top wear pad; 5. a bottom buffer block; 6. a moving block; 7. a moving groove; 8. a locking bolt; 10. cleaning the plate; 11. a cushion pad.

Detailed Description

The technical solutions in the embodiments of 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 obvious 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 to 3, the present invention provides a technical solution:

the utility model provides a thermomagnetic tripping device, the power distribution box comprises a box body 1, 1 top of box, the equal fixedly connected with baffle-box 2 in bottom and its both sides, be used for installing buffer spring 3, a plurality of buffer spring 3 of bottom fixedly connected with in baffle-box 2, be used for buffering the striking, 3 top fixedly connected with bottom buffer blocks 5 of buffer spring, bottom buffer blocks 5 set up in baffle-box 2, shifting chute 7 has been seted up along the horizontal direction in 5 both sides of bottom buffer blocks, be used for setting up movable block 6, 2 tops of baffle-box are close to the movable block 6 that 7 both sides fixedly connected with set up in shifting chute 7, 5 lateral walls of bottom buffer blocks and 2 inside walls of baffle-box are with the mode swing joint of.

One side fixedly connected with top wear pad 4 that box 1 was kept away from to bottom buffer block 5, for the anti-abrasion, top wear pad 4 is on a parallel with bottom buffer block 5, 6 bottom fixedly connected with blotter pads 11 of movable block, for cushion, blotter pads 11 set up in shifting chute 7, 4 top threaded connection of top wear pad have run through it and with 5 top threaded connection's of bottom buffer block latch 8, 8 perpendicular to top wear pad 4 of latch, top wear pad 4 only is fixed with bottom buffer block 5 through the latch 8, 4 tops of top wear pad are rotated and are connected with rotation connecting axle 9, rotate connecting axle 9 lateral wall fixedly connected with cleaning plate 10, cleaning plate 10 bottom and 4 top swing joint of top wear pad.

The working principle is as follows: through setting up baffle-box 2 and buffer spring 3, having cushioned the striking, through setting up top abrasion pad 4, prevented wearing and tearing, through setting up blotter 11, solved the shell and easily received the problem of strikeing and damaging, cushioned the striking, through setting up top abrasion pad 4 as dismantling, made things convenient for the change, through setting up cleaning plate 10, made things convenient for cleanly, the practicality is very strong, is worth promoting very much.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a thermomagnetic tripping device, includes box (1), its characterized in that: the improved buffer box is characterized in that the buffer box body (1) comprises a top part, a bottom part and two sides of the top part, a plurality of buffer springs (3) fixedly connected with the bottom part in the buffer box (2), a bottom buffer block (5) fixedly connected with the top part of the buffer springs (3), the bottom buffer block (5) is arranged in the buffer box (2), a moving groove (7) is formed in the two sides of the bottom buffer block (5) along the horizontal direction, a moving block (6) fixedly connected with the two sides of the moving groove (7) is arranged in the moving groove (7) and close to the top part of the buffer box (2), and the side wall of the bottom buffer block (5) is movably connected with the inner side wall of the buffer box (.

2. A thermomagnetic trip mechanism according to claim 1, characterized in that: one side fixedly connected with top wear pad (4) of box (1) is kept away from in bottom buffer block (5), top wear pad (4) are on a parallel with bottom buffer block (5).

3. A thermomagnetic trip mechanism according to claim 1, characterized in that: the bottom of the moving block (6) is fixedly connected with a cushion pad (11), and the cushion pad (11) is arranged in the moving groove (7).

4. A thermomagnetic trip mechanism according to claim 2, characterized in that: top wear pad (4) top threaded connection have run through it and with bottom buffer block (5) top threaded connection's locking bolt (8), locking bolt (8) perpendicular to top wear pad (4), top wear pad (4) are only fixed through locking bolt (8) and bottom buffer block (5).

5. A thermomagnetic trip mechanism according to claim 2, characterized in that: the top of the top wear pad (4) is rotatably connected with a rotating connecting shaft (9), the side wall of the rotating connecting shaft (9) is fixedly connected with a cleaning plate (10), and the bottom of the cleaning plate (10) is movably connected with the top of the top wear pad (4).

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