CN212810212U

CN212810212U - Tripping device and circuit breaker

Info

Publication number: CN212810212U
Application number: CN202022112231.5U
Authority: CN
Inventors: 蒋亚; 杨红艺; 陈丰飞; 王兴利; 潘礼云
Original assignee: Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Electric Co Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-03-26
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to a circuit protection device technical field, concretely relates to trip gear and circuit breaker. A trip device, comprising: a release; the middle cover is detachably connected with the tripper, the tripper is arranged on the end face, connected with the base, of the middle cover, an accommodating space for installing the tripper is formed in the end face, and the tripper is in transmission connection with an operating mechanism arranged on the base so as to drive the operating mechanism to break a circuit. The utility model provides a pair of trip unit, with the tripper dismantle connect in the terminal surface that well lid is connected with the base, when having guaranteed the normal work of tripper, need not to increase the fixed plate and connect, reduced manufacturing cost to the tripper is covered in, does not occupy the space of base, is favorable to arranging of other parts in the base.

Description

Tripping device and circuit breaker

Technical Field

The utility model relates to a circuit protection device technical field, concretely relates to trip gear and circuit breaker.

Background

A circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and closing, carrying, and opening/closing a current under an abnormal circuit condition within a predetermined time. The release is arranged in the circuit breaker and is a main component for realizing the function of the circuit breaker. The conventional magnetic flux release is usually fixed on the base through a fixing plate, so that the cost for designing and manufacturing the fixing plate is increased, and when the magnetic flux release is installed on the base, the space of the base becomes compact, the available space is reduced, and higher requirements are made on the positions and the shapes of other parts arranged in the base.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming current release and need install on the base through the fixed plate when installing, increases manufacturing cost, occupies the defect of base space.

In order to solve the technical problem, the utility model provides a tripping device, include:

a release;

the middle cover is detachably connected with the tripper, the tripper is arranged on the end face, connected with the base, of the middle cover, an accommodating space for installing the tripper is formed in the end face, and the tripper is in transmission connection with an operating mechanism arranged on the base so as to drive the operating mechanism to break a circuit.

The release is clamped in the accommodating space.

And a limiting block is arranged in the accommodating space and is clamped with the release.

The limiting block is arranged along the edge of the accommodating space of the tripper and is clamped at the edge of the tripper.

The limiting block is arranged in a plurality of circumferential intervals along the accommodating space.

The trip device also comprises a fastener, wherein the fastener penetrates through the trip device and is fastened on the middle cover so as to fix the trip device on the middle cover, and the fastener is detachably connected with the middle cover.

The middle cover is provided with a threading hole close to the accommodating space.

The utility model also provides a circuit breaker, include:

the tripping device is provided.

The novel electric heating cooker further comprises a base, the middle cover is arranged on the base in a covering mode, an operating mechanism is arranged on the base, and an upper cover is arranged on the other side of the middle cover in a covering mode.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of tripping device, including release and well lid, the release is located on the terminal surface that well lid is connected with the base, and dismantle with well lid and be connected, offer the accommodation space who is used for installing the release on the terminal surface, the release is connected with the operating device transmission of locating on the base, in order to drive operating device open circuit, dismantle the release and connect on the terminal surface that well lid is connected with the base, when having guaranteed the normal work of release, need not to increase the fixed plate and connect, the production cost is reduced, and the release is covered in, do not occupy the space of base, be favorable to arranging of other parts in the base.

2. The utility model provides a pair of tripping device is equipped with the stopper among the accommodation space, and lid and release's joint in realizing through the stopper, the installation is convenient more and fixed stable.

3. The utility model provides a pair of tripping device, stopper are along the edge setting of the accommodation space of release to the joint reduces the occupation space of stopper in the border position of release, and the installation of the release of being more convenient for.

4. The utility model provides a pair of tripping device, stopper are provided with a plurality ofly along accommodation space's circumference interval, make the fixed more firm of release.

5. The utility model provides a pair of trip unit still is equipped with the fastener, and the fastener runs through the release and fastens and cover in, and the fastener is connected with well lid dismantlement, makes the fixed of release more firm, guarantees that the release rigidity is motionless when the divide-shut brake of circuit breaker, ensures the use accuracy of release.

6. The utility model provides a pair of trip gear, in cover and be close to accommodation space and seted up the through wires hole, the pencil of release directly wears out from the cover portion, does not pass through the contact surface of base with well lid, avoids appearing the condition that the release pencil is pressed absolutely and causes the protection inefficacy.

7. The utility model provides a pair of circuit breaker contains above-mentioned trip gear, when having guaranteed that the circuit breaker normally works, directly covers the release in, need not to increase the fixed plate and connects, has reduced manufacturing cost to do not occupy the space of base, be favorable to arranging of other parts in the base.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of the middle cover and the base of the circuit breaker of the present invention;

fig. 2 is the overall structure diagram of the tripping device of the present invention.

Description of reference numerals:

1. a release; 2. a middle cover; 3. a base; 4. a fastener; 5. a limiting block; 6. and (6) threading holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

One embodiment of the trip unit shown in fig. 1 and 2 comprises: tripper 1 and well lid 2, on tripper 1 located the terminal surface that well lid 2 is connected with base 3, offered the accommodation space who is used for installing tripper 1 on this terminal surface, as shown in fig. 2, accommodation space is located the right side below position of this terminal surface, and accommodation space's marginal interval is equipped with three stopper 5, and in tripper 1 located accommodation space, and with stopper 5 joint.

In the present embodiment, as shown in fig. 2, a fastening member 4 is disposed at a lower right corner of the trip unit 1, the fastening member 4 is a screw, and the screw penetrates through the trip unit 1 and then is screwed with the middle cover 2 to further fix the trip unit 1 and the middle cover 2.

In this embodiment, as shown in fig. 2, a threading hole 6 is formed in the upper right of the accommodating space of the middle cover 2, and the threading hole 6 is square and penetrates through the middle cover 2.

The embodiment also provides a circuit breaker, which comprises the tripping device, the middle cover 2 covers the base 3, and the other surface of the middle cover 2 covers the upper cover.

In this embodiment, the middle cover 2 is provided with an intelligent module, the operating mechanism is fixed on the base 3, the release 1 is in transmission connection with a traction rod of the operating mechanism, and the traction rod is in transmission connection with the operating handle.

When the circuit breaker provided with the tripping device of the embodiment is used for circuit protection, firstly, the tripper 1 is clamped at the position of the limiting block 5 on the middle cover 2, the tripper 1 and the middle cover 2 are further fixed by screws, a wire harness of the tripper 1 is led out from the threading hole 6, then, the operating mechanism is arranged on the base 3, the middle cover 2 is covered on the base 3, and the upper cover is covered on the middle cover 2; finally, the circuit breaker is installed on the circuit. When the intelligent module detects fault current, a signal is sent to the tripper 1, the tripper 1 pushes the traction rod to move, and the traction rod drives the operating mechanism to realize brake opening so as to break a circuit.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A trip device, comprising:

a release (1);

the middle cover (2) is detachably connected with the tripper (1), the tripper (1) is arranged on the end face of the middle cover (2) connected with the base (3), an accommodating space for installing the tripper (1) is formed in the end face, and the tripper (1) is in transmission connection with an operating mechanism arranged on the base (3) so as to drive the operating mechanism to break a circuit.

2. Trip unit according to claim 1, characterized in that the trip unit (1) is snapped into the receiving space.

3. Trip device according to claim 2, characterized in that a stop (5) is arranged in the receiving space, and the stop (5) is in snap-fit connection with the trip unit (1).

4. Trip unit according to claim 3, characterized in that the stop (5) is arranged along the edge of the receiving space of the trip unit (1) to engage in the edge position of the trip unit (1).

5. A trip unit according to claim 4, characterized in that the limit blocks (5) are arranged in plurality at intervals along the circumference of the accommodating space.

6. A trip unit according to any one of claims 1-5 further comprising a fastener (4), wherein the fastener (4) extends through the trip unit (1) and is fastened to the middle cover (2) to fix the trip unit (1) to the middle cover (2), and the fastener (4) is detachably connected to the middle cover (2).

7. Trip unit according to any of claims 1-5, characterized in that the middle cover (2) is provided with a threading hole (6) near the accommodation space.

8. A circuit breaker comprising the trip device of any of claims 1-7.

9. The circuit breaker according to claim 8, further comprising a base (3), wherein the middle cover (2) is covered on the base (3), the base (3) is provided with an operating mechanism, and the other side of the middle cover (2) is covered with an upper cover.