CN218069751U

CN218069751U - Circuit breaker

Info

Publication number: CN218069751U
Application number: CN202222582918.4U
Authority: CN
Inventors: 胡浪涛; 王兴利; 陈丰飞; 蒋亚; 赵科达; 崔海超
Original assignee: Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Electric Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-16
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to a circuit breaker technical field, concretely relates to circuit breaker. The utility model provides a circuit breaker includes base body, current transformer, at least one and dodges groove and spacing portion. The base body comprises at least one mounting groove; the current transformer is arranged in the mounting groove; the at least one avoidance groove is formed in the bottom of the mounting groove, and the bottom of the current transformer is suitable for extending into the avoidance groove; the limiting part is arranged on the groove wall of the mounting groove and is in limiting butt joint with the current transformer. The utility model provides a dodge groove for current transformer's bottom can be visited down, compensates the defect that the accommodation space of base body highly is less than the current transformer's that needs the installation height.

Description

Circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, concretely relates to circuit breaker.

Background

Among the current circuit breaker, the commonly used M type base and L type base that have, M type base is higher, can directly install current transformer usually, but L type base is shorter, when current transformer is higher, then the condition that current transformer is higher than L type base can appear, leads to the unable overall arrangement of current transformer.

Therefore, a new base is needed, which can still smoothly install the current transformer when the height of the accommodating space of the base is lower than that of the current transformer to be installed.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming when the accommodation space height of the circuit breaker base among the prior art is less than the current transformer's that needs the installation height, the defect of the unable overall arrangement of current transformer to a circuit breaker is provided.

In order to solve the above problem, the utility model provides a circuit breaker, include:

a base body including at least one mounting groove;

the current transformer is arranged in the mounting groove;

the bottom of the current transformer is suitable for being extended into the avoidance groove;

and the limiting part is arranged on the groove wall of the mounting groove and is in limit butt joint with the current transformer.

Optionally, the avoidance groove is formed on the groove bottom of the base body in a penetrating manner.

Optionally, the two opposite groove walls of each mounting groove are provided with the limiting parts.

Optionally, the limiting part is a sliding groove and extends downwards from a notch of the mounting groove; the current transformer comprises a transformer body and convex blocks arranged on two sides of the transformer body, wherein the convex blocks are in sliding fit with the sliding grooves and are close to the sliding grooves to avoid limiting butt joint of one ends of the grooves.

Optionally, the base further comprises a release fixing plate detachably connected to the base body and abutted against the top of the current transformer.

Optionally, the tripper fixing plate includes a plate body and an avoidance port disposed on the plate body; the top of the convex block is lower than the top of the mutual inductor body, the top of the mutual inductor body is arranged at the position of the avoiding opening, and the plate bodies on the two sides of the avoiding opening are abutted to the top of the convex block.

Optionally, the mounting groove has the three that connects gradually, every all be equipped with on the mounting groove dodge the groove with spacing portion.

Optionally, the mounting groove comprises at least one groove body, the groove body is provided with at least one groove, and the groove body is provided with at least one groove.

Optionally, one end of the plate body, which deviates from the avoiding opening, is erected on the base body.

Optionally, a first positioning hole is formed in the plate body, a second positioning hole is correspondingly formed in the base body, and the first positioning hole is connected with the second positioning hole through a fastener.

The utility model has the advantages of it is following:

1. the utility model provides a circuit breaker, dodge groove and spacing portion including base body, current transformer, at least one. The base body comprises at least one mounting groove; the current transformer is arranged in the mounting groove; the at least one avoidance groove is formed in the bottom of the mounting groove, and the bottom of the current transformer is suitable for extending into the avoidance groove; the limiting part is arranged on the groove wall of the mounting groove and is in limiting butt joint with the current transformer.

During the use, place current transformer in the mounting groove, current transformer's bottom is stretched and is put dodging the inslot, and the spacing butt of spacing portion on current transformer's the lateral part and the cell wall of mounting groove avoids current transformer from the bottom slippage of base body. The installation groove is convenient for positioning and assembling the current transformer, and the current transformer is prevented from inclining towards the peripheral side. The bottom of the current transformer can be detected downwards by the arrangement of the avoiding groove, and the defect that the height of the accommodating space of the base body is lower than that of the current transformer to be installed is overcome.

2. The utility model provides a circuit breaker dodges the groove and runs through and set up on the tank bottom of base body, provides from the bottom of base body and dodges the space for current transformer, and the current transformer of being convenient for is visited down.

3. The utility model provides a circuit breaker all is equipped with spacing portion on two relative cell walls of every mounting groove, through setting up two relative spacing portions, makes current transformer's installation more firm under the prerequisite that need not to increase new construction, prevents rocking to week side in the mounting groove of current transformer.

4. The utility model provides a breaker, a tripper fixing plate comprises a plate body and an avoiding opening arranged on the plate body; the top of lug is less than the top of mutual-inductor body, and the top setting of mutual-inductor body is dodging mouthful department, dodges the board body of mouthful both sides and the top butt of lug.

An avoidance opening is formed in the tripper fixing plate, an avoidance space is reserved above the current transformer, and the defect that the height of the accommodating space of the base body is lower than that of the current transformer to be installed is overcome; dodge the board body of mouthful both sides and the top butt of lug, compress tightly current transformer promptly in current transformer's top, prevent striking or the in-process current transformer that removes upwards to beat, simultaneously, because the top of lug is less than the top of transformer body, so the existence of board body can not increase board body and current transformer's overall height, has practiced thrift the space again when satisfying spacingly.

5. The utility model provides a circuit breaker still includes at least one joint portion, sets up the top at the cell wall between two adjacent mounting grooves, and the correspondence is equipped with at least one draw-in groove on the board body, and joint portion joint is in the draw-in groove.

Through the setting of joint portion and draw-in groove for this body coupling of release fixed plate and base, the board body of dodging mouthful both sides can compress tightly the top of lug, and spacing effect is further strengthened.

6. The utility model provides a circuit breaker, the one end that the board body deviates from and dodges the mouth is taken up and is established on base body, and base body provides the holding power for the board body can the horizontally install in current transformer top.

7. The utility model provides a circuit breaker is equipped with first locating hole on the board body, and the correspondence is equipped with the second locating hole on the base body, and first locating hole passes through the fastener with the second locating hole to be connected, further strengthens being connected between release fixed plate and the base body, strengthens release fixed plate to current transformer's spacing effect.

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 prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 shows a schematic structural diagram of a circuit breaker provided by the present invention.

Fig. 2 shows a front view of the current transformer connected to the tripper fixing plate provided by the present invention.

Fig. 3 shows a bottom view of the circuit breaker provided by the present invention.

Description of the reference numerals:

1. a base body; 2. a current transformer; 3. an avoidance groove; 4. a limiting part; 5. a tripper fixing plate; 6. a clamping part.

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 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 according to specific situations by 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.

The present embodiment provides a circuit breaker, as shown in fig. 1 to 3, including a base body 1, a current transformer 2, at least one avoiding groove 3, and a limiting portion 4. The base body 1 comprises at least one mounting groove; the current transformer 2 is arranged in the mounting groove; the at least one avoidance groove 3 is formed in the bottom of the mounting groove, and the bottom of the current transformer 2 is suitable for extending into the avoidance groove 3; the limiting part 4 is arranged on the groove wall of the mounting groove and is in limiting butt joint with the current transformer 2. Here, the shape and material of the base body 1 are not further limited, and may be specifically selected according to actual needs.

During the use, will current transformer 2 places in the mounting groove, current transformer 2's bottom is stretched and is put avoid in the groove 3, current transformer 2's lateral part with spacing butt of spacing portion on the cell wall of mounting groove avoids current transformer 2 follows the bottom slippage of base body 1. The setting of mounting groove is convenient for current transformer 2's location and assembly prevent current transformer 2 inclines to week side. The bottom of the current transformer 2 can be downwards detected by the arrangement of the avoiding groove 3, and the defect that the height of the accommodating space of the base body 1 is lower than that of the current transformer 2 to be installed is overcome.

Optionally, as shown in fig. 3, the avoiding groove 3 is formed on the bottom of the base body 1, and the bottom of the base body 1 provides an avoiding space for the current transformer 2, so that the current transformer 2 can be conveniently explored. The shape of the avoiding groove 3 is not further limited, and may be a square shape as shown in fig. 1, or may be another shape, and may be matched with the shape of the current transformer 2. Preferably, the shape of the avoiding groove 3 is slightly larger than the shape of the bottom of the current transformer 2, and a mounting gap is reserved for the current transformer 2, namely, the avoiding groove 3 is in clearance fit with the current transformer 2, so that the current transformer 2 is convenient to mount.

Optionally, the circuit breaker that this embodiment provided still includes the bottom plate, connects the bottom of base body 1, the bottom plate with the bottom surface shape of base body 1 is the same, and is preferred, when current transformer 2 visited down, current transformer 2's bottom with the spacing butt of bottom plate, the bottom plate does current transformer 2 provides the bottom bearing power. The material of the bottom plate is not further limited herein. Preferably, the bottom of the base body 1 is provided with a groove, the avoiding groove 3 is formed in the groove, the bottom plate is suitable for being installed in the groove, the thickness of the whole device cannot be increased after the bottom plate is installed, and meanwhile the flatness of the appearance is guaranteed.

Optionally, every all be equipped with on two relative cell walls of mounting groove spacing portion 4 is relative through setting up two spacing portion 4 makes under the prerequisite that need not to increase new construction current transformer 2's installation is more firm, prevents current transformer 2 is in rocking to week side in the mounting groove.

Optionally, the limiting portion 4 is a sliding groove extending downward from a notch of the mounting groove. As shown in fig. 2, the current transformer 2 includes a transformer body and a bump arranged on both sides of the transformer body, the bump is in sliding fit with the sliding groove and close to the sliding groove to avoid the limit abutment of one end of the groove 3. Specifically, the protruding block may be a rectangular block, and the sliding groove may be a rectangular groove.

Optionally, the circuit breaker provided in this embodiment further includes a release fixing plate 5 detachably connected to the base body 1, and is abutted to the top of the current transformer 2.

Optionally, the release fixing plate 5 includes a plate body and an avoidance port disposed on the plate body; the top of the convex block is lower than the top of the mutual inductor body, the top of the mutual inductor body is arranged at the position of the avoiding opening and is abutted against the avoiding opening, and the plate bodies on two sides of the avoiding opening are abutted against the top of the convex block. Specifically, the shape of the avoidance port is matched with the shape of the top of the transformer body, and the avoidance port can be rectangular.

An avoidance space is reserved above the current transformer 2 by arranging the avoidance port on the tripper fixing plate 5, so that the defect that the height of the accommodating space of the base body 1 is lower than that of the current transformer 2 to be installed is overcome; dodge the board body of mouthful both sides and the top butt of lug, be in promptly current transformer 2's top compresses tightly current transformer 2 prevents the in-process that striking or remove current transformer 2 is beated upwards, simultaneously, because the top of lug is less than the top of transformer body, so the existence of board body can not increase the board body with current transformer 2's whole height, has practiced thrift the space again when satisfying spacingly.

Optionally, the mounting groove has the three that connects gradually, every all be equipped with on the mounting groove dodge the groove 3 with spacing portion 4, and press from both sides two of establishing between two adjacent mounting grooves spacing portion 4 does not communicate each other.

Optionally, the circuit breaker that this embodiment provided still includes at least one joint portion 6, sets up adjacent two the top of the cell wall between the mounting groove, it is equipped with at least one draw-in groove to correspond on the board body, 6 joints of joint portion are in the draw-in groove. Further, the clamping portions 6 are provided with two clamping grooves which are respectively arranged on the side wall between two adjacent current transformers 2, and the extending blocks are respectively provided with one clamping groove. Through joint portion 6 with the setting of draw-in groove makes release fixed plate 5 with base body 1 is connected, the board body of keeping away a mouthful both sides can compress tightly the top of lug, spacing effect is further strengthened. The shapes of the clamping part 6 and the clamping groove are not further limited, and the clamping part can be a rectangular block and a rectangular groove, and can also be in other shapes, so that the requirement of limiting connection is met.

Optionally, the board body deviates from the one end of dodging the mouth is set up on the base body 1, the base body 1 provides the holding power for the board body can the horizontally install current transformer 2 top. The number of overlapping structures of the plate body and the base body 1 is not further limited here and can be specifically selected according to the product structure and support requirements.

Optionally, a first positioning hole is formed in the plate body, a second positioning hole is correspondingly formed in the base body 1, the first positioning hole is connected with the second positioning hole through a fastener, the connection between the release fixing plate 5 and the base body 1 is further strengthened, and the limiting effect of the release fixing plate 5 on the current transformer 2 is strengthened. In particular, the fastener may be a screw or a rivet.

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 therefrom are within the scope of the invention.

Claims

1. A circuit breaker, comprising:

a base body (1) comprising at least one mounting groove;

the current transformer (2) is installed in the installation groove;

the avoiding groove (3) is formed in the bottom of the mounting groove, and the bottom of the current transformer (2) is suitable for extending into the avoiding groove (3);

and the limiting part (4) is arranged on the groove wall of the mounting groove and is in limiting butt joint with the current transformer (2).

2. The circuit breaker according to claim 1, characterized in that said evasion groove (3) opens through on the bottom of the groove of said base body (1).

3. The circuit breaker according to claim 1, wherein the two opposite groove walls of each mounting groove are provided with the limiting parts (4).

4. The circuit breaker according to any one of claims 1-3, wherein the position-limiting portion (4) is a sliding groove extending downward from a notch of the mounting groove; the current transformer (2) comprises a transformer body and convex blocks arranged on two sides of the transformer body, wherein the convex blocks are in sliding fit with the sliding grooves and are close to the sliding grooves to avoid the limiting butt joint of one ends of the grooves (3).

5. The circuit breaker according to claim 4, characterized in that it further comprises a trip fixing plate (5) removably connected to said base body (1) and abutting against the top of said current transformer (2).

6. The circuit breaker according to claim 5, characterized in that the trip unit fixing plate (5) comprises a plate body and an escape opening provided on the plate body; the top of the convex block is lower than the top of the mutual inductor body, the top of the mutual inductor body is arranged at the position of the avoiding opening, and the plate bodies on the two sides of the avoiding opening are abutted to the top of the convex block.

7. The circuit breaker according to claim 6, wherein the mounting groove has three that connect gradually, and each mounting groove is provided with the avoiding groove (3) and the limiting portion (4).

8. The circuit breaker according to claim 7, further comprising at least one clamping portion (6) disposed on a top portion of a groove wall between two adjacent mounting grooves, wherein the plate body is correspondingly provided with at least one clamping groove, and the clamping portion (6) is clamped in the clamping groove.

9. The circuit breaker according to any of claims 6-8, characterized in that the end of the plate body facing away from the avoidance opening is placed on the base body (1).

10. The circuit breaker according to any one of claims 6-8, wherein a first positioning hole is provided on the plate body, a second positioning hole is correspondingly provided on the base body (1), and the first positioning hole and the second positioning hole are connected by a fastener.