CN216648188U

CN216648188U - Circuit breaker with adjustable installation size

Info

Publication number: CN216648188U
Application number: CN202123302246.9U
Authority: CN
Inventors: 黄在先; 李浩亮; 蔡勇
Original assignee: Fateng Electric Power Equipment Jiangsu Co ltd
Current assignee: Fateng Electric Power Equipment Jiangsu Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-31
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a circuit breaker with adjustable installation size, which comprises an adjustable circuit breaker, wherein the adjustable circuit breaker comprises a case, a circuit breaker body, a substrate, a protective sleeve, an adjustable locking head and a pull-out type connecting plate, the case and the circuit breaker body are vertically arranged on the surface of the substrate, the circuit breaker body is positioned on the back of the case, a plurality of groups of circuit connecting interfaces are uniformly arranged on the surface of the circuit breaker body, the protective sleeve is respectively provided with a plurality of groups of circuits and is uniformly sleeved and embedded on the outer side of the circuit connecting interfaces, the adjustable locking head is arranged at the outer end of the protective sleeve and comprises a lantern ring and a locking ring arranged on the inner side of the built-in lantern ring, and the lantern ring and the protective sleeve are integrally formed and an adjusting inner cavity is formed inside the protective sleeve. According to the utility model, the position of the connecting port of the circuit breaker is provided with the protective sleeve, and the outer end of the protective sleeve is provided with the adjustable locking head, so that the protective sleeve and the external circuit sleeve can be conveniently subjected to adjustable butt joint installation, and the installation flexibility of the circuit breaker is improved.

Description

Circuit breaker with adjustable installation size

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker with adjustable installation size.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the boundary line of the high voltage and the low voltage is divided more clearly, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, 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, when the circuit breaker has faults of serious overload, short circuit, undervoltage and the like, the circuit breaker can be automatically cut off, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. The power distribution is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

However, the existing circuit breaker has the following problems in the use process: (1) the existing circuit breaker is relatively fixed in installation mode and cannot be adjusted adaptively according to actual space; (2) the existing circuit breaker mounting interface is relatively fixed with a pipeline connection mode, and is inconvenient to adjust and disassemble. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a breaker with adjustable installation size, and solves the technical problem that the existing breaker is relatively fixed in installation mode and cannot be adjusted adaptively according to actual space.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an adjustable installation dimension's circuit breaker, is including adjusting formula circuit breaker, it comprises quick-witted case, circuit breaker body, base plate, protective casing, regulation formula locking head and pull formula connecting plate to adjust formula circuit breaker, quick-witted case and circuit breaker body install perpendicularly in the surface of base plate, a plurality of groups line connection interface are evenly installed on the back and the surface that the circuit breaker body is located quick-witted case, protective casing divides to be equipped with a plurality of groups and evenly overlaps and inlays in the outside of line connection interface, regulation formula locking head is installed in the outer end of protective casing and is included the lantern ring and the inboard locking ring of built-in lantern ring, the lantern ring is formed with the regulation inner chamber with protective casing integrated into one piece and inside, pull formula connecting plate divides to be equipped with two sets of and symmetrical both sides of installing in the base plate.

As a preferred embodiment of the present invention, the outer end of the protective sleeve is provided with an annular guide groove, and the annular guide groove is located on the inner side of the collar.

As a preferred embodiment of the present invention, the locking ring has an annular structure, and an annular limit protrusion is formed at an inner end of the locking ring, the annular limit protrusion is slidably disposed in the annular guide groove, a plurality of sets of rotors are uniformly mounted at two ends of an outer surface of the locking ring, and the rotors are in contact with an inner wall of the sleeve ring.

As a preferred embodiment of the utility model, the drawing type connecting plate comprises a transverse plate with a through opening formed therein and a drawing plate movably inserted in the transverse plate, and the drawing plate is fixed on the wall body through bolts.

As a preferred embodiment of the present invention, a heat dissipation fan is installed on the back of the case, an air outlet of the heat dissipation fan faces the circuit breaker body, and a heat dissipation hole matched with the heat dissipation fan is further formed inside the protection sleeve.

Compared with the prior art, the utility model has the following beneficial effects:

1. this scheme has optimized the structure of circuit breaker, is provided with the protective sheath in the connection port position of circuit breaker to be provided with regulation formula locking head in the outer end of protective sheath, make things convenient for protective sheath and external line sleeve to adjust formula butt joint installation, improve the flexibility of circuit breaker installation.

2. This scheme is provided with pull formula connecting plate in the bottom of circuit breaker, conveniently hangs the circuit breaker wall on the wall body through pull formula connecting plate, and the processing is overhauld to the convenience.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a partial A structural view of the present invention;

FIG. 3 is a drawing type connecting plate structure diagram of the utility model;

fig. 4 is a schematic view of the present invention in an extended and disassembled state.

In the figure, 1, a chassis; 2. a circuit breaker body; 3. a substrate; 4. a protective sleeve; 5. an adjustable locking head; 6. a pull type connecting plate; 7. a line connection interface; 8. a collar; 9. a locking head; 10. adjusting the inner cavity; 11. an annular guide groove; 12. an annular limit bump; 13. a rotor; 14. perforating; 15. a transverse plate; 16. a drawing plate; 17. a heat radiation fan; 18. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a circuit breaker of adjustable installation dimension, including adjusting formula circuit breaker, it is by quick-witted case 1 to adjust formula circuit breaker, circuit breaker body 2, base plate 3, protective casing 4, it forms to adjust formula locking head 5 and pull formula connecting plate 6, quick-witted case 1 and circuit breaker body 2 install perpendicularly on the surface of base plate 3, circuit breaker body 2 is located the back of quick-witted case 1 and evenly installs a plurality of groups line connection interface 7 in the surface, protective casing 4 branch is equipped with a plurality of groups and evenly overlaps and inlays in the outside of line connection interface 7, it installs in protective casing 4's outer end and including the 8 inboard 9 of the lantern ring of lantern ring 8 and built-in lantern ring 8 to adjust formula locking head 5, lantern ring 8 and protective casing 4 integrated into one piece and inside are formed with regulation inner chamber 10, pull formula connecting plate 6 branch is equipped with two sets of just the symmetry and installs in the both sides of base plate 3.

Further improved, as shown in fig. 1: annular guide way 11 has been seted up to the outer end of protective sheath 4, and annular guide way 11 is located the inboard of lantern ring 8.

Further improved, as shown in fig. 1: locking ring 9 is ring structure and inner machine-shaping has annular limit lug 12, and annular limit lug 12 slides and sets up in annular guide way 11, and a plurality of groups rotor 13 are evenly installed at the surface both ends of locking ring 9, and rotor 13 contacts with the inner wall of the lantern ring 8, can adjust the position of locking ring 9, conveniently connects external pipeline on the one hand, and on the other hand can adjust the position of external pipeline junction as required.

Further improved, as shown in fig. 1: the pull-out connecting plate 6 comprises a transverse plate 15 with an opening 14 formed in the inner portion and a pull-out plate 16 movably inserted into the transverse plate 15, and the pull-out plate 16 is fixed on the wall body through bolts, so that the length of the pull-out connecting plate 6 can be conveniently adjusted as required.

Specifically, the back mounted of machine case 1 has cooling fan 17, and cooling fan 17's air outlet is just to circuit breaker body 2, and the louvre 18 that cooperation cooling fan 17 used has still been seted up to the inboard of protection sleeve 4, can carry out the heat dissipation to protection sleeve 4 through cooling fan 17 and handle, avoids appearing in the too high condition of the inside circular telegram circuit temperature of protection sleeve 4.

When in use: according to the utility model, two groups of pull-out connecting plates 6 at the bottom of the adjustable circuit breaker are fixed on a wall body, and the adjustable locking heads 5 at the end parts of the protective sleeves 4 are fixedly connected with external pipelines through flanges, so that when the circuit breaker body 2 needs to be disassembled and maintained, a worker can pull the substrate 3 outwards through the pull-out connecting plates 6 and the telescopic structures of the adjustable locking heads 5, the joint of the protective sleeves 4 and the external pipelines is far away from the wall surface of an installation position, the worker can conveniently stretch a disassembling tool into an interval gap between the wall body and the protective sleeves 4 to disassemble the external pipelines, and the circuit breaker body 2 and the protective sleeves 4 are disassembled and assembled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an adjustable installation size's circuit breaker, includes regulation formula circuit breaker which characterized in that: the adjustable circuit breaker consists of a case (1), a circuit breaker body (2), a base plate (3), a protective sleeve (4), an adjustable locking head (5) and a pull-type connecting plate (6), the case (1) and the breaker body (2) are vertically arranged on the surface of the substrate (3), the breaker body (2) is positioned on the back of the case (1) and the surface is uniformly provided with a plurality of groups of circuit connecting interfaces (7), the protective sleeves (4) are respectively provided with a plurality of groups and are evenly sleeved and embedded at the outer side of the line connecting interface (7), the adjustable locking head (5) is arranged at the outer end of the protective sleeve (4) and comprises a lantern ring (8) and a locking ring (9) arranged at the inner side of the built-in lantern ring (8), the lantern ring (8) and the protective sleeve (4) are integrally formed, an adjusting inner cavity (10) is formed inside the lantern ring and the protective sleeve, the drawing type connecting plates (6) are respectively provided with two groups and are symmetrically arranged on two sides of the base plate (3).

2. The circuit breaker of claim 1, wherein: annular guide way (11) have been seted up to the outer end of lag tube (4), annular guide way (11) are located the inboard of lantern ring (8).

3. An adjustable installation size circuit breaker as claimed in claim 2, wherein: the locking ring (9) is of an annular structure, an annular limiting lug (12) is machined and formed at the inner end of the locking ring (9), the annular limiting lug (12) is arranged in the annular guide groove (11) in a sliding mode, a plurality of groups of rotors (13) are evenly arranged at two ends of the outer surface of the locking ring (9), and the rotors (13) are in contact with the inner wall of the sleeve ring (8).

4. An adjustable installation size circuit breaker as claimed in claim 1, wherein: the drawing type connecting plate (6) comprises a transverse plate (15) with an opening (14) formed in the inner portion and a drawing plate (16) movably inserted into the transverse plate (15), and the drawing plate (16) is fixed on a wall body through bolts.

5. An adjustable installation size circuit breaker as claimed in claim 2, wherein: the back side of the case (1) is provided with a heat dissipation fan (17), an air outlet of the heat dissipation fan (17) is opposite to the circuit breaker body (2), and a heat dissipation hole (18) used by matching with the heat dissipation fan (17) is further formed in the inner side of the protective sleeve (4).