CN218274474U - Insulating barrier and circuit breaker suitable for in circuit breaker - Google Patents

Abstract

The utility model provides an insulating barrier and circuit breaker suitable for in circuit breaker, circuit breaker include adjacent setting, at least two circuit breaker casing, insulating barrier sets up between two adjacent circuit breaker casings, has between two circuit breakers and supplies insulating barrier male slot, insulating barrier is including the baffle that is used for inserting the board and is used for separating two adjacent circuit breaker casings that insert in the slot, baffle one end with insert the board and be connected, the other end extends towards the one end of baffle dorsad, the insulating barrier lateral part is provided with the laminating muscle with circuit breaker casing lateral surface laminating, insulating barrier's structure is more complicated among the prior art can be overcome to this circuit breaker, and its cost of manufacture is higher relatively, is unfavorable for the defect of the cost control of product.

Description

Insulating barrier and circuit breaker suitable for in circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, concretely relates to insulating barrier and circuit breaker suitable for in the circuit breaker.

Background

The miniature circuit breaker is also called a miniature circuit breaker, is suitable for the overload and short-circuit protection of alternating current 50/60Hz rated voltage 230/400V and rated current to 125A line, and can also be used for the infrequent operation and conversion of the line under normal conditions, the miniature circuit breaker is mainly used in various places such as industry, commerce, high-rise and civil residence, in the existing miniature circuit breaker, a multipolar circuit breaker is generally adopted to be connected in series to improve the system voltage, in order to avoid interphase short circuit, an insulating partition plate is required to be arranged between two adjacent circuit breakers, in the prior art, a miniature circuit breaker is disclosed in the patent with the publication number of CN 061217942U, but the insulating partition plate in the circuit breaker has a complex structure, the manufacturing cost is relatively high, and the product cost control is not facilitated.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art insulating barrier's structure is more complicated, and its cost of manufacture is higher relatively, is unfavorable for the cost control's of product defect to an insulating barrier and circuit breaker in being applicable to the circuit breaker that the structure is comparatively simple and insulating effectual is provided.

For this reason, the utility model provides an insulating barrier suitable for in circuit breaker, circuit breaker include adjacent setting, at least two circuit breaker casing, insulating barrier sets up between two adjacent circuit breaker casings, has between two circuit breakers and supplies insulating barrier male slot, insulating barrier is including the baffle that is used for inserting the board and is used for separating two adjacent circuit breaker casings that insert in the slot, baffle one end with insert the board and be connected, the other end extends towards the one end of baffle dorsad, the insulating barrier lateral part is provided with the laminating muscle with the laminating of circuit breaker casing lateral surface.

Further: be provided with elasticity joint subassembly between insulating barrier and the circuit breaker casing, elasticity joint subassembly including set up in the elasticity buckle of circuit breaker casing or insulating barrier party and set up in the other party, can with the buckle groove of elasticity buckle joint.

And further: the elastic buckles are arranged at the upper ends of the insulating partition plates and are arranged in a central symmetry mode by taking the inserting plates as centers, and the buckle grooves are formed in the shell of the circuit breaker.

Further: the elastic buckle comprises an elastic part connected with the baffle and a buckling part connected with the elastic part, and when the elastic buckle is clamped with the buckle groove, the buckling part can be butted and connected with the buckle groove.

And further: the laminating muscle is provided with two and uses the baffle to be bilateral symmetry setting as the center.

Further: the side wall of the circuit breaker slot is provided with a protruding rib, and the insertion plate is provided with a buckling block which is abutted against the protruding rib.

Further: the buckling blocks are arranged in a plurality and are arranged in a central symmetry mode by taking the inserting plate as a center.

And further: the protruding rib is provided with a guide inclined plane on one side opposite to the attaching rib, and the guide inclined plane is used for guiding the fastening block to be inserted into the slot to be abutted against the protruding rib.

Further: and a ventilation groove capable of dissipating heat is arranged between two adjacent circuit breaker shells.

The utility model also provides a circuit breaker, include as above insulating barrier who is applicable to in the circuit breaker.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of insulating barrier suitable for in circuit breaker, at the in-process of installation, to insert the board and insert in the slot, and will insert the board fix in the slot can, cooperation setting through inserting board and slot, can fix insulating barrier between two adjacent circuit breaker casings, and the setting through the baffle, the baffle separation is and outside outstanding between two adjacent circuit breaker casings, and the baffle both sides have the laminating muscle with circuit breaker casing lateral surface laminating, setting through the laminating muscle, the wainscot and the shell perfect adaptation of laminating muscle, thereby can effectually reduce the clearance between circuit breaker casing and the insulating barrier and play insulating protection, the effectual condition of the circuit breaker alternate short circuit that has avoided.

2. The utility model provides a pair of insulating barrier suitable for in circuit breaker when inserting the board and inserting the slot, has elasticity portion and buckling part on the elasticity buckle, and when elasticity buckle inserted the buckle inslot, elasticity portion produced deformation for buckling part gets into the buckle inslot and contradicts with the buckle groove, thereby realizes the elasticity lock joint in elasticity buckle and buckle groove, is used for will inserting the board and fix in the slot.

3. The utility model provides a pair of insulating barrier suitable for in circuit breaker, through the setting of laminating muscle, the laminating muscle can with the laminating of shell surface, reduce the clearance between insulating barrier and the circuit breaker casing to play insulation protection's effect.

4. The utility model provides a pair of insulating barrier suitable for in circuit breaker through lock joint piece and outstanding muscle interference fit, can effectually prevent to insert the board and deviate from the slot.

5. The utility model provides a pair of insulating barrier suitable for in circuit breaker forms the ventilation groove between two adjacent circuit breaker casings, through the setting in ventilation groove, at the in-process that circuit breaker work generated heat, the heat can be discharged to the external world through the ventilation groove to reduce the temperature of circuit breaker, prevent that the circuit breaker from causing the damage because the high temperature.

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 a schematic view of the overall structure of the circuit breaker;

fig. 2 is a schematic diagram of the overall structure of the circuit breaker;

fig. 3 is a schematic sectional view of the circuit breaker;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is a schematic sectional view of the circuit breaker;

FIG. 6 is an enlarged view of portion B of FIG. 5;

fig. 7 is a schematic sectional view of the circuit breaker;

fig. 8 is a schematic structural view of an insulating separator.

Description of reference numerals:

1. a circuit breaker housing; 2. an insulating spacer; 21. an insert plate; 22. a baffle plate; 23. a buckling block; 3. a slot; 4. an elastic clamping component; 41. elastic buckle; 411. an elastic part; 412. a buckling part; 42. a fastening groove; 5. fitting ribs; 6. protruding ribs; 7. a guide slope; 8. and (4) ventilating slots.

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 efforts all 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.

Examples

The embodiment provides a circuit breaker, install insulating barrier 2 on it, the circuit breaker includes adjacent setting, at least two circuit breaker casing 1, insulating barrier 2 sets up between two adjacent circuit breaker casings 1, has between two circuit breakers and supplies insulating barrier 2 male slot 3, insulating barrier 2 is including being used for inserting the board 21 and being used for separating two adjacent circuit breaker casings 1 that insert in the slot 3, baffle 22 one end with insert the board 21 and be connected, the other end extends towards the one end of baffle 22 dorsad, 2 lateral parts of insulating barrier are provided with the laminating muscle 5 with the laminating of circuit breaker casing 1 lateral surface.

The specific improvement is as follows: as shown in fig. 1, the circuit breaker includes adjacent setting, at least two circuit breaker casings 1, be provided with insulating barrier 2 between two circuit breakers, this insulating barrier 2 can form the protective screen of separation electric arc between two circuit breakers, thereby avoid the condition that two circuit breakers take place the interphase short circuit, insulating barrier 2 is including inserting board 21 and baffle 22, at the in-process of installation insulating barrier 2, to insert board 21 in inserting slot 3, baffle 22 keep off establish between two circuit breaker casings 1 can, in order to increase the leakproofness between circuit breaker casing 1 and the baffle 22, laminating muscle 5 of circuit breaker casing 1 lateral surface laminating has been set up in the both sides of baffle 22, through the setting of laminating muscle 5, the wainscot of laminating muscle 5 and shell perfect adaptation, thereby can effectually reduce the clearance between circuit breaker casing 1 and insulating barrier 2 and play insulation protection, the effectual condition of avoiding the circuit breaker to take place the interphase short circuit.

On the basis of the above-described embodiment: be provided with elasticity joint subassembly 4 between insulating barrier 2 and the circuit breaker casing 1, elasticity joint subassembly 4 including set up in the elasticity buckle 41 of circuit breaker casing 1 or insulating barrier 2 party and set up in the other party, can with the buckle groove 42 of elasticity buckle 41 joint.

On the basis of the above-described embodiment: the elastic buckles 41 are arranged at the upper end of the insulating partition board 2, the two elastic buckles 41 are arranged and are arranged in a central symmetry mode by taking the inserting plate 21 as a center, and the buckle grooves 42 are formed in the breaker shell 1.

The specific improvement is as follows: as shown in fig. 2-4, be provided with elasticity joint subassembly 4 between insulating barrier 2 and circuit breaker casing 1, elasticity joint subassembly 4 includes elasticity buckle 41 and the buckle groove of buckling with elasticity buckle 41, elasticity buckle 41 sets up the upper end at insulating barrier 2, buckle groove 42 sets up on circuit breaker casing 1, when inserting board 21 and inserting in slot 3, elasticity buckle 41 and buckle groove 42 joint, thereby realize the joint between insulating barrier 2 and circuit breaker casing 1, prevent that insulating barrier 2 from dropping in circuit breaker casing 1.

On the basis of the above-described embodiment: the elastic buckle 41 comprises an elastic part 411 connected with the baffle 22 and a buckling part 412 connected with the elastic part 411, and when the elastic buckle 41 is buckled with the buckling groove 42, the buckling part 412 can be butted and connected with the buckling groove 42.

The specific improvement is as follows: as shown in fig. 3 and 4, the elastic buckle 41 includes an elastic portion 411 connected to the baffle 22 and a fastening portion 412 connected to the elastic portion 411, when the elastic buckle 41 is clamped into the buckle slot 42, the elastic portion 411 deforms by being pressed by an external force, so that after the elastic portion 411 contracts inward to enable the fastening portion 412 to enter the buckle slot 42, the elastic portion 411 loses an external limiting releasing elastic restoring force, so that the fastening portion 412 is fastened to the buckle slot, and by the arrangement of the elastic portion 411, the elastic portion 412 can elastically contract when entering the buckle slot 42, so as to assist the fastening portion 412 to enter.

On the basis of the above-described embodiment: the two attaching ribs 5 are symmetrically arranged on two sides with the baffle 22 as the center.

The specific improvement is as follows: as shown in fig. 1, two attaching ribs 5 are disposed on two sides of the baffle 22 by using the baffle 22 as a center, and attaching surfaces on two sides are mainly matched with the shape of the housing to form attaching surfaces and have a certain width, so that the gap between the circuit breaker housing 1 and the insulating partition 2 is reduced, and the interphase insulating effect is achieved.

On the basis of the above-described embodiment: the side wall of the circuit breaker slot 3 is provided with a protruding rib 6, and the insertion plate 21 is provided with a fastening block 23 which is abutted against the protruding rib 6.

On the basis of the above-described embodiment: the snap-in block 23 is provided in plurality and is arranged in central symmetry with the insertion plate 21 as a center.

The specific improvement is as follows: as shown in fig. 2, 6 and 8, the buckling block 23 is disposed on the insertion plate 21, the protruding rib 6 is disposed on the sidewall of the slot 3 of the circuit breaker, and when the insertion plate 21 is inserted into the slot 3, the buckling block 23 and the protruding rib 6 form an interference fit, so that the insulating partition plate 2 can be effectively prevented from falling off from the slot 3, and the connection strength between the insulating partition plate 2 and the slot 3 is effectively improved.

On the basis of the above-described embodiment: the opposite side of outstanding muscle 6 and laminating muscle 5 is provided with direction inclined plane 7, direction inclined plane 7 is used for guiding the insertion slot 3 of lock joint piece 23 and offsets with outstanding muscle 6.

The specific improvement is as follows: as shown in fig. 5 and 6, the side of the protruding rib 6 opposite to the attaching rib 5 is provided with a guide inclined surface 7, and the fastening block 23 can be effectively guided to be inserted into the slot 3 to abut against the protruding rib 6 by the arrangement of the guide inclined surface 7.

On the basis of the above-described embodiment: a ventilation groove 8 capable of dissipating heat is formed between two adjacent circuit breaker housings 1.

The specific improvement is as follows: as shown in fig. 5, the circuit breaker can produce a large amount of heat during operation, and two circuit breakers can be arranged with the ventilation slot 8 therebetween, and after the circuit breaker produces heat, the heat can be discharged through the ventilation slot 8, thereby facilitating the heat dissipation of the circuit breaker and achieving the protection effect of the circuit breaker.

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. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. An insulating barrier suitable for use in a circuit breaker, comprising: the circuit breaker includes adjacent setting, at least two circuit breaker casing (1), insulating barrier (2) set up between two adjacent circuit breaker casings (1), have between two circuit breakers and supply insulating barrier (2) male slot (3), insulating barrier (2) are including being used for inserting board (21) and baffle (22) that are used for separating two adjacent circuit breaker casings (1) of inserting in slot (3), baffle (22) one end with insert board (21) and be connected, the other end extends towards the one end of baffle (22) dorsad, insulating barrier (2) lateral part is provided with laminating muscle (5) with circuit breaker casing (1) lateral surface laminating.

2. An insulating barrier adapted for use in a circuit breaker according to claim 1, wherein: be provided with elasticity joint subassembly (4) between insulating barrier (2) and circuit breaker casing (1), elasticity joint subassembly (4) including set up in circuit breaker casing (1) or insulating barrier (2) one side elasticity buckle (41) and set up in the other party, can with buckle groove (42) of elasticity buckle (41) joint.

3. An insulating barrier adapted for use in a circuit breaker according to claim 2, wherein: the elastic buckle (41) is arranged at the upper end of the insulating partition plate (2), the number of the elastic buckles (41) is two, the elastic buckles are arranged in a central symmetry mode by taking the insertion plate (21) as the center, and the buckle grooves (42) are formed in the breaker shell (1).

4. An insulating barrier adapted for use in a circuit breaker according to claim 3, wherein: the elastic buckle (41) comprises an elastic part (411) connected with the baffle (22) and a buckling part (412) connected with the elastic part (411), and when the elastic buckle (41) is buckled with the buckle groove (42), the buckling part (412) can be abutted and connected with the buckle groove (42).

5. An insulating barrier adapted for use in a circuit breaker according to claim 4, wherein: the two attaching ribs (5) are symmetrically arranged on two sides by taking the baffle (22) as the center.

6. An insulating barrier adapted for use in a circuit breaker according to claim 5, wherein: the side wall of the circuit breaker slot (3) is provided with a protruding rib (6), and the insertion plate (21) is provided with a fastening block (23) which is abutted against the protruding rib (6).

7. An insulating barrier adapted for use in a circuit breaker according to claim 6, wherein: the buckling blocks (23) are provided in plurality and are arranged in a centrosymmetric manner with the insertion plate (21) as the center.

8. An insulating barrier adapted for use in a circuit breaker according to claim 7, wherein: the opposite side of outstanding muscle (6) and laminating muscle (5) is provided with direction inclined plane (7), direction inclined plane (7) are used for guiding in inserting slot (3) with outstanding muscle (6) counterbalance in fastening piece (23).

9. An insulating barrier adapted for use in a circuit breaker according to claim 8, wherein: a ventilation groove (8) capable of dissipating heat is arranged between two adjacent breaker shells (1).

10. A circuit breaker, characterized by: an insulating barrier adapted for use in a circuit breaker comprising as claimed in any one of claims 1 to 9.

Images