CN211629002U

CN211629002U - Split type casing and circuit breaker

Info

Publication number: CN211629002U
Application number: CN202020485526.4U
Authority: CN
Inventors: 雷锡社; 穆彪; 史伟超
Original assignee: Jiangsu Nengdian S&t Co ltd
Current assignee: Jiangsu Nengdian S&t Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-10-02
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a circuit breaker and a split type shell thereof, which comprises a first shell, a second shell and an elastic clamping piece, wherein the first shell is provided with a first limit groove; a second limiting groove and a mounting groove are formed in the second shell, the extending directions of the first limiting groove and the second limiting groove are the same, an included angle is formed between the extending direction of the mounting groove and the extending direction of the second limiting groove, and the second limiting groove is communicated with the mounting groove; at least one of the first shell and the second shell is provided with a first clamping part; the elastic clamping piece comprises a body and a second clamping part connected to the body, the body can be inserted into the first limiting groove and the second limiting groove simultaneously, and when the body is inserted into the first limiting groove and the second limiting groove simultaneously, the second clamping part can be elastically clamped in the first clamping part, and meanwhile the body can extend into the mounting groove.

Description

Split type casing and circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field especially relates to a split type casing and circuit breaker.

Background

The circuit breaker is a commonly used electric appliance switch, is mainly used in various places such as industrial, commercial and civil houses, and can timely cut off a fault circuit when the circuit has faults such as short circuit, overload and the like, so that the accident is prevented from being enlarged, and the safe operation of a circuit system is ensured.

On the one hand, in prior art, a plurality of subassemblies such as the inside electromagnetic trip subassembly of circuit breaker, electromagnetic induction detection subassembly, mechanical locking subassembly hold simultaneously in same casing, at the in-process of production equipment, mutual interference easily between each subassembly influences production efficiency and quality. On the other hand, in order to facilitate the installation of the circuit breaker to the fixing device such as the cabinet body, a clamping groove is generally arranged at the back of the shell of the circuit breaker, when the circuit breaker is installed, the clamping groove of the circuit breaker can slide to a sliding rail on the fixing device, then the circuit breaker is locked on the sliding rail by using locking elements such as screws, and the installation of the circuit breaker on the fixing device is realized, and the installation and the disassembly of the circuit breaker are troublesome due to the structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a split type casing and circuit breaker, not only can avoid mutual interference between the inside each subassembly of circuit breaker, the equipment and the use of being convenient for make things convenient for the installation of circuit breaker on fixing device moreover.

In order to solve the technical problem, the utility model discloses a split type casing, include:

the first shell is provided with a first limiting groove;

the second shell is provided with a second limiting groove and a mounting groove, the extending directions of the first limiting groove and the second limiting groove are the same, an included angle is formed between the extending direction of the mounting groove and the extending direction of the second limiting groove, and the second limiting groove is communicated with the mounting groove; at least one of the first shell and the second shell is provided with a first clamping part, and

elastic joint spare, including the body with connect in the second joint portion of body, the body can insert simultaneously and locate first spacing groove with the second spacing inslot, and work as the body is inserted simultaneously and is located first spacing groove with during the second spacing inslot, second joint portion can the elastic card hold in first joint portion, simultaneously the body can extend to in the mounting groove.

In one embodiment, the mounting groove comprises a first side wall and a second side wall which are oppositely arranged, and a first step surface is arranged on the first side wall; the body can be followed the second lateral wall stretches into in the mounting groove, just the body stretches into be provided with the second step face on the tip in the mounting groove, first step face with the second step face interval sets up in order to form T type draw-in groove.

In one embodiment, the number of the first clamping portions is multiple, the multiple first clamping portions are arranged at intervals along the extending direction of the first limiting groove, and the multiple first clamping portions are used for elastically clamping the elastic clamping piece at different positions.

In one embodiment, the number of the first clamping portions and the number of the second clamping portions are respectively multiple, the first clamping portions are respectively arranged on two opposite side walls of the first limiting groove, and the first clamping portions are respectively clamped with the second clamping portions in a one-to-one correspondence manner.

In one embodiment, the first clamping portion is a groove, the second clamping portion is an elastic claw, one end of the elastic claw is connected to the body, the other end of the elastic claw can be far away from the body to be clamped in the first clamping portion, and the other end of the elastic claw can be close to the body to be separated from the first clamping portion.

In one embodiment, a through hole is formed in one end portion, far away from the mounting groove, of the body, and the through hole is used for allowing a foreign object to be inserted so as to pull out the elastic clamping piece from the first limiting groove.

In one embodiment, a first clamping groove is formed in one side face, facing the second shell, of the first shell, a second clamping groove is formed in one side face, facing the first shell, of the second shell, and the first clamping groove and the second clamping groove are clamped and connected so as to limit relative movement of the first shell and the second shell in the extending direction of the first limiting groove.

The utility model also provides a circuit breaker, including the split type casing in any of the above-mentioned embodiments, still include magnetic induction detection subassembly, electromagnetic trip subassembly and mechanical locking subassembly, first casing with one in the second casing is used for holding the magnetic induction detection subassembly, first casing with another in the second casing is used for holding the electromagnetic trip subassembly and mechanical locking subassembly.

In one embodiment, the connector further comprises a first wiring port, a second wiring port, a first electrical connection end and a second electrical connection end, wherein the first wiring port is arranged on the first shell and is used for accessing electrical signals, and the first electrical connection end is electrically connected with the first wiring port;

the second wiring port is arranged on the second shell and used for outputting an electric signal, and the second electric connection end is electrically connected with the second wiring port;

the first electric connection end is arranged in the first shell, a through hole is formed in the first shell corresponding to the first electric connection end, one end of the second electric connection end is located in the second shell, and the other end of the second electric connection end penetrates through the through hole to be in contact with the first electric connection end.

In one embodiment, the first housing includes a front shell and a rear shell, the front shell and the rear shell enclose to form an accommodation space, the first electrical connection end is disposed in the accommodation space, the front shell and the rear shell are detachably connected, and the first limiting groove is disposed on a side surface of the rear shell away from the front shell.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

the utility model discloses an among the split type casing, set up first casing and second casing two parts respectively, can set up the subassembly that interferes mutually easily in the circuit breaker is inside respectively in two casings, make things convenient for the inside structural configuration of circuit breaker and processing dismouting, can also avoid the circuit breaker to influence each other between each subassembly in the use, and be convenient for detect alone at the in-process that the circuit breaker used.

In addition, when the circuit breaker is installed, can insert elastic joint spare earlier and locate first spacing groove and second spacing inslot simultaneously, and make first joint portion and the joint of second joint portion, then with the mounting groove card to fixing device on, elastic joint spare extends to the one end in the mounting groove and can support tight fixing device, thereby fix circuit breaker monolithic on fixing device, elastic joint spare not only can play the effect of connecting first casing and second casing, still make the installation of circuit breaker on fixing device simple swift.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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.

Wherein:

fig. 1 is a schematic overall structure diagram of a split-type housing according to an embodiment of the present invention;

fig. 2 is an exploded view of a circuit breaker according to an embodiment of the present invention;

fig. 3 is an exploded view of another view angle of the circuit breaker according to an embodiment of the present invention.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a circuit breaker, which can be applied to various places such as industrial, commercial, and civil houses, and is mainly used for controlling the on/off of current in a circuit. The circuit breaker basically includes a split housing 100, and a magnetic induction detection assembly 200, an electromagnetic trip assembly (not shown) and a mechanical locking assembly 300 located within the split housing 100.

The split-type housing 100 includes a first housing 110, a second housing 120, and an elastic clip 130, one of the first housing 110 and the second housing 120 is used for accommodating the magnetic induction detection assembly 200, the other of the first housing 110 and the second housing 120 is used for accommodating the electromagnetic trip assembly and the mechanical locking assembly 300, and the elastic clip 130 can connect the first housing 110 and the second housing 120. Specifically, the first housing 110 is provided with a first limiting groove 111, the second housing 120 is provided with a second limiting groove 121 and a mounting groove 122, the extending directions of the first limiting groove 111 and the second limiting groove 121 are the same, an included angle is formed between the extending direction of the mounting groove 122 and the extending direction of the second limiting groove 121, and the second limiting groove 121 is communicated with the mounting groove 122. Be provided with first joint portion 112 on at least one in first casing 110 and the second casing 120, elastic clamping piece 130 includes body 131 and connects in the second joint portion 132 of body 131, first casing 110 aligns with second casing 120 back, the body 131 of elastic clamping piece 130 can insert simultaneously and locate first spacing groove 111 and second spacing groove 121 in, and when body 131 inserts simultaneously and locates first spacing groove 111 and second spacing groove 121 in, second joint portion 132 can the elastic clamping be held in first joint portion 112, body 131 can extend to in the mounting groove 122 simultaneously.

An included angle between the extending direction of the mounting groove 122 and the extending direction of the second limiting groove 121 may be set arbitrarily, such as 60 °, 70 °, 80 °, and the like, and preferably, the included angle between the extending direction of the mounting groove 122 and the extending direction of the second limiting groove 121 is 90 °, that is, the extending direction of the mounting groove 122 and the extending direction of the second limiting groove 121 are perpendicular to each other. For convenience of description, in the present embodiment, the extending direction of the first and second

limiting grooves

111 and 121 is defined as the Z-axis direction, and the direction indicated by the arrow in fig. 2 is the Z-axis positive direction; the extending direction of the mounting groove 122 is defined as an X-axis direction, and the direction indicated by an arrow in fig. 2 is the positive X-axis direction.

The utility model discloses an among the split type casing 100, set up first casing 110 and second casing 120 two parts respectively, can set up the subassembly that easily interferes mutually in the circuit breaker is inside respectively in two casings, make things convenient for the inside structural configuration of circuit breaker and processing dismouting, can also avoid the circuit breaker to influence each other between each subassembly in the use, and be convenient for carry out the witnessed inspections at the in-process that the circuit breaker used. In addition, when the circuit breaker is installed, the elastic clamping member 130 can be inserted into the first limiting groove 111 and the second limiting groove 121 along the positive direction of the Z axis, and the first clamping portion 112 is clamped with the second clamping portion 132, at this time, in the plane (i.e. XY plane) perpendicular to the extending direction of the first limiting groove 111, the relative movement of the first casing 110 and the second casing 120 is limited, then the mounting groove 122 is clamped to the fixing device, one end of the elastic clamping member 130 extending into the mounting groove 122 can be abutted against the fixing device, so that the split casing 100 is integrally fixed on the fixing device, meanwhile, the relative movement between the first casing 110 and the second casing 120 in the direction of the Z axis is also limited, thereby preventing the first casing 110 and the second casing 120 from moving relatively, the assembling process of the split casing 100 and the fixing process of the split casing 100 on the fixing device can be completed simultaneously, is simple and quick.

As shown in fig. 1 and 2, the mounting groove 122 includes a first sidewall 1221 disposed away from the first casing 110 and a second sidewall 1222 disposed close to the first casing 110, a first step surface is disposed on the first sidewall 1221, the body 131 can extend into the mounting groove 122 from the second sidewall 1222, a second step surface is disposed on an end portion of the body 131 extending into the mounting groove 122, and the first step surface and the second step surface are disposed at an interval to form a T-shaped slot. In the prior art, the circuit breaker is usually installed on a strip-shaped sliding rail, when the circuit breaker is installed, the strip-shaped sliding rail can be directly clamped by a T-shaped clamping groove, and the T-shaped clamping groove can ensure the connection stability of the circuit breaker and the strip-shaped sliding rail; when the breaker is disassembled, the breaker can be directly pushed out along the extending direction of the strip-shaped slide rail, and the installation and the disassembly are both convenient.

The first clamping portion 112 may be disposed only on the first casing 110 or only on the second casing 120, and of course, the first clamping portion 112 may also be disposed on both the first casing 110 and the second casing 120.

In an embodiment, the number of the first clamping portions 112 is multiple, the first clamping portions 112 are arranged at intervals along the Z-axis direction, and the first clamping portions 112 are used for clamping the elastic clamping pieces 130 at different positions, so that the width of the T-shaped clamping groove can be changed, the circuit breaker can be fixed on the strip-shaped sliding rails with different sizes, and the adaptability of the circuit breaker is improved.

The number of the elastic clamping members 130 is one or more, in one elastic clamping member 130, the number of the second clamping portions 132 can be one or more, when the number of the second clamping portions 132 is multiple, the number of the first clamping portions 112 adapted to the second clamping portions 132 is also multiple, and the second clamping portions 132 are respectively clamped in the first clamping portions 112. Specifically, in the embodiment shown in fig. 1, the number of the elastic clamping members 130 is two, the two elastic clamping members 130 are arranged at intervals along the X-axis direction, and correspondingly, the number of the first limiting grooves 111 and the number of the second limiting grooves 121 are also two respectively; each elastic clamping member 130 includes two second clamping portions 132, the two second clamping portions 132 are disposed on two opposite sides of the body 131, and one or more first clamping portions 112 adapted to the second clamping portions 132 are disposed on two opposite sidewalls of the first limiting groove 111.

In an embodiment, the first clamping portion 112 is a groove, the second clamping portion 132 is an elastic claw, an included angle is formed between the extending direction of the elastic claw and the body 131, an opening of the included angle faces the mounting groove 122, one end of the elastic claw is connected to the body 131, the other end of the elastic claw can be away from the body 131 to be clamped in the groove, and the other end of the elastic claw can be close to the body 131 to be separated from the groove. The body 131 is provided with a through hole 133 on a tip far away from the mounting groove 122, the through hole 133 is used for inserting a foreign object to pull out the elastic clamping piece 130 from the first limiting groove 111, for example, a hook can be used to extend into the through hole 133 to hook the elastic clamping piece 130, and the elastic clamping piece 130 is pulled along the positive direction of the Z axis, so that the elastic clamping piece 130 can be pulled out from the first limiting groove 111 and the second limiting groove 121, and the breaker can be conveniently detached.

Further, a first clamping groove 113 is disposed on a side surface of the first housing 110 facing the second housing 120 (i.e., a bottom of the first housing 110), a second clamping groove 123 is disposed on a side surface of the second housing 120 facing the first housing 110 (i.e., a top of the second housing 120), and the first clamping groove 113 is clamped with the second clamping groove 123 to limit relative movement between the first housing 110 and the second housing 120 in the Z-axis direction. The extending directions of the first card slot 113 and the second card slot 123 are parallel to the Y axis, and when the first housing 110 and the second housing 120 are assembled, the first card slot 113 can be clamped into the second card slot 123 to achieve the preliminary positioning connection between the first housing 110 and the second housing 120.

Referring to fig. 3, the circuit breaker further includes a first wiring port 400, a second wiring port, a first electrical connection terminal 500 and a second electrical connection terminal 600, the first wiring port 400 is disposed on the first housing 110 and is used for accessing an electrical signal, the first electrical connection terminal 500 is electrically connected to the first wiring port 400, and the electromagnetic induction component is disposed between the first wiring port 400 and the first electrical connection terminal 500 and is used for detecting a circuit condition between the first wiring port 400 and the first electrical connection terminal 500 (for example, detecting a current level in a circuit, whether there is a leakage in the circuit, etc.). A second connection port (not shown) is disposed on the second housing 120 and is used for outputting an electrical signal, the second electrical connection terminal 600 is electrically connected to the second connection port and the first electrical connection terminal 500, and the electromagnetic trip assembly and the mechanical locking assembly 300 are disposed between the second electrical connection terminal 600 and the second connection port and are used for controlling the on/off of a short circuit between the second electrical connection terminal 600 and the second connection port.

Specifically, the first electrical connection end 500 is disposed in the first housing 110, a through hole is disposed on the first housing 110 at a position corresponding to the first electrical connection end 500, one end of the second electrical connection end 600 is located inside the second housing 120, and the other end of the second electrical connection end 600 is located outside the second housing 120, and when the first housing 110 and the second housing 120 are connected, the other end of the second electrical connection end 600 can pass through the through hole of the first housing 110 to contact the first electrical connection end 500.

In one embodiment, the first housing 110 includes a front shell 114 and a rear shell 115, the front shell 114 and the rear shell 115 are detachably connected, and the first position-limiting groove 111 is disposed on a side surface of the rear shell 115 away from the front shell 114. The front housing 114 and the rear housing 115 can enclose a receiving space, and the first electrical connection end 500 and the magnetic induction detection assembly 200 are disposed in the receiving space. When the circuit breaker is assembled, the front shell 114 and the rear shell 115 can be kept in a separated state, and after the first clamping groove 113 and the second clamping groove 123 are clamped, the first electric connecting end 500 and the second electric connecting end 600 can be locked by screws, so that a stable electric connection relationship between the first electric connecting end 500 and the second electric connecting end 600 is ensured; after the first electrical connection terminal 500 and the second electrical connection terminal 600 are locked, the front case 114 can be covered on the rear case 115. Likewise, the detachable connection of the front housing 114 and the rear housing 115 also facilitates the removal of the front housing 114 by a service person for inspection and maintenance of the components within the receiving space during use of the circuit breaker.

The connection between the front case 114 and the rear case 115 may be a screw connection, a snap connection, or the like. In this embodiment, the front shell 114 and the rear shell 115 are clamped.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. A split housing, comprising:

the first shell is provided with a first limiting groove;

the second shell is provided with a second limiting groove and a mounting groove, the extending directions of the first limiting groove and the second limiting groove are the same, an included angle is formed between the extending direction of the mounting groove and the extending direction of the second limiting groove, and the second limiting groove is communicated with the mounting groove; at least one of the first shell and the second shell is provided with a first clamping part; and

2. The split-type housing of claim 1, wherein the mounting groove comprises a first side wall and a second side wall which are oppositely arranged, and a first step surface is arranged on the first side wall; the body can be followed the second lateral wall stretches into in the mounting groove, just the body stretches into be provided with the second step face on the tip in the mounting groove, first step face with the second step face interval sets up in order to form T type draw-in groove.

3. The split type housing of claim 1, wherein the number of the first clamping portions is plural, the plural first clamping portions are arranged at intervals along the extending direction of the first limiting groove, and the plural first clamping portions are used for elastically clamping the elastic clamping member at different positions.

4. The split type housing according to claim 1, wherein the number of the first engaging portions and the number of the second engaging portions are plural, the plural first engaging portions are respectively disposed on two opposite side walls of the first limiting groove, and the plural first engaging portions are engaged with the plural second engaging portions in a one-to-one correspondence.

5. The split type housing according to claim 1, wherein the first engaging portion is a groove, the second engaging portion is an elastic claw, one end of the elastic claw is connected to the body, the other end of the elastic claw can be away from the body to be clamped to the first engaging portion, and the other end of the elastic claw can also be close to the body to be separated from the first engaging portion.

6. The split-type housing of claim 5, wherein a through hole is formed in an end of the body away from the mounting groove, and the through hole is used for allowing a foreign object to be inserted so as to pull the elastic clamping member out of the first limiting groove.

7. The split-type housing according to claim 1, wherein a first engaging groove is formed on a side surface of the first housing facing the second housing, a second engaging groove is formed on a side surface of the second housing facing the first housing, and the first engaging groove is engaged with the second engaging groove to limit relative movement of the first housing and the second housing in an extending direction of the first limiting groove.

8. A circuit breaker comprising the split housing of any one of claims 1-7, further comprising a magnetic induction detection assembly, an electromagnetic trip assembly, and a mechanical locking assembly, one of the first housing and the second housing configured to receive the magnetic induction detection assembly, and the other of the first housing and the second housing configured to receive the electromagnetic trip assembly and the mechanical locking assembly.

9. The circuit breaker of claim 8, further comprising a first wiring port disposed on the first housing for accessing electrical signals, a second wiring port, a first electrical connection terminal and a second electrical connection terminal, the first electrical connection terminal being electrically connected to the first wiring port;

10. The circuit breaker according to claim 9, wherein the first housing comprises a front shell and a rear shell, the front shell and the rear shell enclose a receiving space, the first electrical connection end is disposed in the receiving space, the front shell and the rear shell are detachably connected, and the first limiting groove is disposed on a side surface of the rear shell away from the front shell.