CN213958891U

CN213958891U - Contact guide head for accelerating repulsion of circuit breaker contact

Info

Publication number: CN213958891U
Application number: CN202120088193.6U
Authority: CN
Inventors: 林小盛; 陈力生; 王鑫权
Original assignee: Fujian Guofu Zhongya Electrical Machinery Co ltd
Current assignee: Fujian Guofu Zhongya Electrical Machinery Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-08-13
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses an accelerate contact guide of repulsion of circuit breaker contact, including static contact, stationary contact, movable contact, first joint groove, connecting block, first mounting groove, fixed plate and dead lever, stationary contact top fixed mounting has the linkage segment, linkage segment top fixed mounting has the stationary contact, connecting block one side fixed mounting has the connecting rod, the inside first mounting groove that is provided with of connecting rod, the inside first magnetism that is provided with of first mounting groove inhales the piece, the connecting rod top is provided with first spring, first spring top fixed mounting has the dead lever. The utility model discloses a be provided with first spring at the connecting rod top, first spring top fixed mounting has the dead lever, when using, can separate the movable contact and the stationary contact of connecting rod bottom fast through first spring, uses the security further to promote, guarantees to use and experiences, and the in-service use effect is better.

Description

Contact guide head for accelerating repulsion of circuit breaker contact

Technical Field

The utility model relates to a circuit breaker technical field specifically is a contact guide head of accelerating circuit breaker contact repellent.

Background

The circuit breaker is a switching device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time, the circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range of the circuit breaker, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, the circuit can be automatically cut off when the circuit breaker has serious faults such as overload, short circuit, undervoltage and the like, the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-and-under-heat relay and the like, and parts do not need to be changed after the fault current, so that the circuit breaker is widely applied at present;

whether the contact can be quickly disconnected in use becomes a key for safe use.

The existing repelled contact guide head of the road roller contact has the following defects:

1. when the contact guide head which is repelled by the existing road-side switch contact is used, the repelling efficiency is slow;

2. the repelled contact guide head of the existing road roller contact cannot be fixed after repelled, so that the reset is dangerous, and the safety is low;

3. the contact guide head which is repelled by the existing road-side switch contact is only fixed when in use, so that the use safety can not be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accelerate contact guide head that circuit breaker contact was repellent to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a contact guide head for accelerating repulsion of a circuit breaker contact comprises a fixed contact, a movable contact, a first clamping groove, a connecting block, a first mounting groove, a fixing plate and a fixing rod, wherein a connecting section is fixedly installed at the top of the fixed contact, the fixed contact is fixedly installed at the top of the connecting section, the movable contact is arranged at the top of the fixed contact, the connecting block is arranged at the top of the movable contact, a fourth clamping groove is arranged in the connecting block, the fixing groove is arranged in the fourth clamping groove, a second spring is arranged at the top of the fixing groove, a third clamping block is fixedly installed at the top of the second spring, the connecting rod is fixedly installed at one side of the connecting block, the first mounting groove is arranged in the connecting rod, a first magnetic suction block is arranged in the first mounting groove, a first spring is arranged at the top of the connecting rod, the fixing rod is fixedly installed at the top of the first spring, the fixing rod is internally provided with a second mounting groove and a third clamping groove respectively, and a second magnetic suction block is arranged in the second mounting groove.

Preferably, the static contact is internally provided with a mounting hole.

Preferably, a first clamping groove and a second clamping groove are formed in the movable contact, a first clamping block is arranged in the first clamping groove, and a second clamping block is arranged in the second clamping groove.

Preferably, a fixing plate is fixedly mounted on one side of the connecting rod, and a rotating shaft is arranged in the fixing plate.

Preferably, an insulating plate is fixedly mounted at the top of the fixing rod.

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

1. the utility model discloses a be provided with first spring at the connecting rod top, first spring top fixed mounting has the dead lever, when using, can separate the movable contact and the stationary contact of connecting rod bottom fast through first spring, uses the security further to promote, guarantees to use and experiences, and the in-service use effect is better.

2. The utility model discloses a be provided with fourth joint groove inside the connecting block, fourth joint inslot portion is provided with the fixed slot, and the fixed slot top is provided with the second spring, and second spring top fixed mounting has the third joint piece, and the inside third joint groove that is provided with of dead lever, third joint piece on the second spring when using carries out the joint with the third joint groove on the dead lever and carries out the joint and fix and make its installation nature higher.

3. The utility model discloses a be provided with first mounting groove inside the connecting rod, the inside first magnetism piece of inhaling that is provided with of first mounting groove, the inside second mounting groove that is provided with of dead lever, the inside second magnetism piece of inhaling that is provided with of second mounting groove, when using, the connection is inhaled to first magnetism piece and second magnetism piece magnetism, carries out the secondary and connects fixedly, makes its security further promote.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a block diagram of the present invention;

fig. 3 is a schematic view of a static contact structure of the present invention;

fig. 4 is a schematic view of the fixing structure of the present invention.

In the figure: 1. static contact; 101. mounting holes; 102. a connecting section; 2. a stationary contact; 3. a movable contact; 4. a first clamping groove; 401. a first clamping block; 402. a second clamping groove; 403. a second clamping block; 5. connecting blocks; 501. a fourth clamping groove; 502. a connecting rod; 503. fixing grooves; 504. a second spring; 505. a third clamping block; 6. a first mounting groove; 601. a first magnetic attraction block; 7. a fixing plate; 701. a rotating shaft; 8. fixing the rod; 801. a first spring; 802. a second mounting groove; 803. a first magnetic attraction block; 804. an insulating plate; 805. and a third clamping groove.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a contact guide head for accelerating the repulsion of a circuit breaker contact comprises a static contact 1, a static contact 2, a movable contact 3 and a first clamping groove 4, the fixed contact comprises a connecting block 5, a first mounting groove 6, a fixing plate 7 and a fixing rod 8, wherein a mounting hole 101 is formed in the fixed contact 1, a connecting section 102 is fixedly mounted at the top of the fixed contact 1, a fixed contact 2 is fixedly mounted at the top of the connecting section 102, a movable contact 3 is arranged at the top of the fixed contact 2, a first clamping groove 4 and a second clamping groove 402 are formed in the movable contact 3, a first clamping block 401 is arranged in the first clamping groove 4, a second clamping block 403 is arranged in the second clamping groove 402, a connecting block 5 is arranged at the top of the movable contact 3, a fourth clamping groove 501 is formed in the connecting block 5, a fixing groove 503 is formed in the fourth clamping groove 501, a second spring 504 is arranged at the top of the fixing groove 503, and a third clamping block 505 is fixedly mounted at the top of the second spring 504;

specifically, a fourth clamping groove 501 is formed in the connecting block 5, a fixing groove 503 is formed in the fourth clamping groove 501, a second spring 504 is arranged at the top of the fixing groove 503, a third clamping block 505 is fixedly mounted at the top of the second spring 504, a third clamping groove 805 is formed in the fixing rod 8, and when the fixing rod is used, the third clamping block 505 on the second spring 504 and the third clamping groove 805 on the fixing rod 8 are clamped and fixed to each other, so that the fixing performance is high;

a connecting rod 502 is fixedly installed on one side of the connecting block 5, a fixing plate 7 is fixedly installed on one side of the connecting rod 502, a rotating shaft 701 is arranged inside the fixing plate 7, a first installation groove 6 is arranged inside the connecting rod 502, a first magnetic suction block 601 is arranged inside the first installation groove 6, a first spring 801 is arranged at the top of the connecting rod 502, and a fixing rod 8 is fixedly installed at the top of the first spring 801;

specifically, the first spring 801 is arranged at the top of the connecting rod 502, the fixing rod 8 is fixedly arranged at the top of the first spring 801, and when the connecting rod is used, the movable contact 3 and the fixed contact 2 at the bottom of the connecting rod 502 can be quickly separated through the first spring 801, so that the use safety is further improved, the use experience is ensured, and the actual use effect is better;

an insulating plate 804 is fixedly installed at the top of the fixed rod 8, a second installation groove 802 and a third clamping groove 805 are respectively arranged in the fixed rod 8, and a second magnetic attraction block 803 is arranged in the second installation groove 802;

specifically, through being provided with first mounting groove 6 in connecting rod 502 inside, the inside first magnetism piece 601 of inhaling that is provided with of first mounting groove 6, the inside second mounting groove 802 that is provided with of dead lever 8, the inside second magnetism piece 803 of inhaling that is provided with of second mounting groove 802, when using, the connection is inhaled to first magnetism piece 601 and second magnetism piece 803 magnetism, carries out the secondary and connects fixedly, makes its security further promote.

The working principle is as follows: the user firstly detects the device, and uses the device after confirming that no problem exists, firstly the movable contact 3 is separated from the fixed contact 2, the first spring 801 enables the movable contact to be quickly repelled, the third clamping block 505 is clamped and fixed with the third clamping groove 805, and the first magnetic suction block 601 is magnetically sucked and fixed with the second magnetic suction block 803.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an accelerate contact guide of circuit breaker contact repulsion, includes static contact (1), stationary contact (2), movable contact (3), first joint groove (4), connecting block (5), first mounting groove (6), fixed plate (7) and dead lever (8), its characterized in that: the top of the static contact (1) is fixedly provided with a connecting section (102), the top of the connecting section (102) is fixedly provided with a static contact (2), the top of the static contact (2) is provided with a moving contact (3), the top of the moving contact (3) is provided with a connecting block (5), a fourth clamping groove (501) is arranged in the connecting block (5), a fixing groove (503) is arranged in the fourth clamping groove (501), the top of the fixing groove (503) is provided with a second spring (504), the top of the second spring (504) is fixedly provided with a third clamping block (505), one side of the connecting block (5) is fixedly provided with a connecting rod (502), a first mounting groove (6) is arranged in the connecting rod (502), a first magnetic suction block (601) is arranged in the first mounting groove (6), and a first spring (801) is arranged at the top of the connecting rod (502), the fixing rod (8) is fixedly mounted at the top of the first spring (801), a second mounting groove (802) and a third clamping groove (805) are respectively formed in the fixing rod (8), and a second magnetic suction block (803) is arranged in the second mounting groove (802).

2. The contact guide head for accelerating repulsion of contacts of a circuit breaker according to claim 1, wherein: and a mounting hole (101) is formed in the static contact (1).

3. The contact guide head for accelerating repulsion of contacts of a circuit breaker according to claim 1, wherein: the movable contact (3) is internally provided with a first clamping groove (4) and a second clamping groove (402), a first clamping block (401) is arranged in the first clamping groove (4), and a second clamping block (403) is arranged in the second clamping groove (402).

4. The contact guide head for accelerating repulsion of contacts of a circuit breaker according to claim 1, wherein: a fixing plate (7) is fixedly mounted on one side of the connecting rod (502), and a rotating shaft (701) is arranged inside the fixing plate (7).

5. The contact guide head for accelerating repulsion of contacts of a circuit breaker according to claim 1, wherein: and an insulating plate (804) is fixedly arranged at the top of the fixed rod (8).