CN209929251U

CN209929251U - Wiring structure of miniature circuit breaker

Info

Publication number: CN209929251U
Application number: CN201921199146.8U
Authority: CN
Inventors: 陈程远
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-01-10
Anticipated expiration: 2029-07-26

Abstract

The utility model provides a miniature circuit breaker wiring structure, include: a housing; the wiring terminal is obliquely arranged on the top surface of the shell, the top surface is provided with a screwdriver insertion hole for inserting a screwdriver and a wiring hole for inserting a wire into a wiring terminal wire cavity, and the screwdriver insertion hole is opposite to a wiring screw of the wiring terminal. Because binding post slope sets up in the casing top surface, and screwdriver jack and wiring hole all are located same top surface, can directly connect the wiring from the casing top surface of miniature circuit breaker like this, compare with prior art, above-mentioned mode of connection is more convenient.

Description

Wiring structure of miniature circuit breaker

Technical Field

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

Background

As shown in fig. 9, a top surface 02 of a housing 01 of a conventional miniature circuit breaker is provided with screw holes 03 for inserting a screwdriver, a side surface 04 of the housing is provided with wiring holes 05 for inserting a wire, the top surface 02 and the side surface 04 are vertically arranged, when the miniature circuit breaker is installed, the back surface of the housing 01 of the miniature circuit breaker is fixedly installed on a guide rail, at the moment, the sight line of an installer is right opposite to the top surface 02 of the housing 01, then the wire is connected with a wiring terminal 06, the installer needs to adjust the sight line angle, so that the screwdriver and the wire are respectively inserted into the corresponding screw holes 03 and the wiring holes 05, and the installation is troublesome.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the miniature circuit breaker among the prior art wiring troublesome, and when using between narrow and small space, the defect of inconvenient wire installation and later stage maintenance to a wiring structure of miniature circuit breaker simple, easy to assemble and later stage maintenance is provided.

Therefore, the utility model provides a miniature circuit breaker wiring structure, include:

a housing;

binding post, the slope set up in on the top surface of casing, the top surface has the screwdriver jack that supplies screwdriver male, and supplies the wire to insert the wiring hole in binding post wire chamber, the screwdriver jack with binding post's binding screw is relative.

The inclination angle of the wiring terminal main body part and the top surface is 30-60 degrees.

The front end of the shell along the insertion direction of the lead is provided with a guide inclined plane.

Still be provided with on the casing and be suitable for sheltering from the screwdriver jack with the apron in wiring hole, the apron encloses with the top surface and closes the installation cavity that forms to be suitable for the installation wire, the apron top surface has the confession the wire entry that the wire penetrated.

The cover plate is detachably arranged on the shell, one end of the cover plate is connected with the shell through a clamping structure, and the other end of the cover plate is fixedly connected with the shell through a first screw structure.

The clamping structure comprises:

the clamping groove is formed on the shell;

the clamping block is formed on one side, facing the shell, of the cover plate and is in adaptive connection with the clamping groove.

The apron the wire entrance is equipped with and is suitable for locking the locking structure of wire, locking structure includes:

the fixing block is formed at the top of the cover plate, and a first groove is formed in the middle of the fixing block;

the locking block is connected with the fixed block and is provided with a second groove opposite to the first groove, and the caliber size of an opening formed by the first groove and the second groove in a surrounding mode is smaller than that of the wire inlet;

and the second screw structure is suitable for locking and connecting the fixed block and the locking block.

The casing of the miniature circuit breaker is arranged in the inner cavity of the junction box, and the top surface of the casing extends out of the through hole of the front cover plate of the junction box.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a miniature circuit breaker wiring structure, binding post slope sets up on the top surface of casing, the top surface has the screwdriver jack that supplies screwdriver male, and supply the wire to insert the wiring hole in binding post wire chamber, the screwdriver jack is relative with binding post's binding screw, during the wiring, binding personnel's sight is just to the top surface, because binding post slope sets up, binding personnel can see partial screwdriver jack and wiring hole simultaneously, compared with the prior art, it is the wiring from the top surface of the casing of small-size circuit breaker like this, above-mentioned mode of connection is more convenient.

2. The utility model provides a miniature circuit breaker wiring structure, casing are equipped with the direction inclined plane along the front end that the wire inserted the direction to more make things convenient for the wire to insert, improved wiring efficiency.

3. The utility model provides a miniature circuit breaker wiring structure still is provided with the apron that is suitable for sheltering from screwdriver jack and wiring hole on the casing, and the apron has the wire entry that supplies the wire to penetrate, and the apron can increase the security performance on the one hand, and on the other hand when a plurality of miniature circuit breakers assemble the connection, many wires homoenergetic are drawn forth from the wire entry of apron for walk the line more normal, further improved the security performance.

4. The utility model provides a miniature circuit breaker wiring structure, apron detachably install on the casing, and its one end is passed through the joint structure and is connected with the casing, and the other end passes through screw structure and casing fixed connection, and the joint structure includes: the clamping groove is formed on the shell; the clamping block is formed on one side, facing the shell, of the cover plate and is in adaptive connection with the clamping groove. Mutually matched clamping grooves and clamping blocks have the advantages of simple structure and quick and convenient installation.

5. The utility model provides a miniature circuit breaker wiring structure, miniature circuit breaker's casing are installed in the junction box inner chamber, and the top surface of casing stretches out from the through-hole of junction box front shroud, like this when the wiring, just can directly follow the case external tapping, and need not to open the front shroud, and make things convenient for later maintenance.

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 perspective view of a wiring structure of a miniature circuit breaker of the present invention;

fig. 2 is an exploded view of the wiring structure of the miniature circuit breaker shown in fig. 1;

FIG. 3 is a perspective view of FIG. 1 with the cover plate removed;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a cross-sectional view of FIG. 3;

FIG. 6 is a perspective view of the cover plate;

fig. 7 is a perspective view of the miniature circuit breaker mounted on a junction box;

FIG. 8 is another perspective view of FIG. 7 after being rotated at an angle;

fig. 9 is a perspective view of a small and medium sized circuit breaker in the prior art.

Description of reference numerals: 01. a housing; 02. a top surface; 03. a screw hole; 04. a side surface; 05. a wiring hole; 06. a wiring terminal;

1. a housing; 10. a top surface; 11. a screwdriver jack; 12. a wiring hole; 13. a guide slope; 14. a card slot; 2. a wiring terminal; 3. a cover plate; 31. a clamping block; 32. a fixed block; 33. a locking block; 34. a wire inlet; 4. a front cover plate; 41. the elastic clamping arm.

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.

Examples

The embodiment provides a wiring structure of a miniature circuit breaker, which comprises a shell 1, a wiring terminal 2 and a cover plate 3, as shown in figures 1-6.

The wiring terminal 2 is obliquely arranged on the top surface 10 of the shell 1, the top surface 10 is a surface where an operating handle (not shown in the figure) is arranged, the top surface 10 is provided with a screwdriver jack 11 for inserting a screwdriver and a wiring hole 12 for inserting a wire into a wire cavity of the wiring terminal 2, the screwdriver jack 11 is opposite to a wiring screw of the wiring terminal 2, the main body part of the wiring terminal 2 is 30-60 degrees relative to the inclination angle of the top surface, and the shell 1 is provided with a guide inclined surface 13 along the front end of the wire inserting direction.

The cover plate 3 is arranged on the top surface 10 of the shell 1 and is suitable for shielding the screwdriver jack 11 and the wiring hole 12, the cover plate 3 and the top surface 10 enclose to form an installation cavity suitable for installing a wire, and the top surface of the cover plate 3 is provided with a wire inlet 34 for the wire to penetrate. The cover plate 3 is detachably mounted on the shell 1, one end of the cover plate is connected with the shell 1 through a clamping structure, and the other end of the cover plate is fixedly connected with the shell 1 through a first screw structure. The clamping structure comprises: a card slot 14 formed on the housing 1; the L-shaped latch 31 is formed on one side of the cover plate 3 facing the housing 1, and is in fit connection with the slot 14. The first screw structure comprises a first threaded hole formed in the cover plate 3 and a second threaded hole formed in the top surface 10 and opposite to the first threaded hole, and the wiring screw assembly sequentially penetrates through the first threaded hole and the second threaded hole to fixedly connect the cover plate 3 with the top surface 10 of the shell 1. The wire inlet 34 of the cover plate 3 is provided with a locking structure suitable for locking the wire, and the locking structure comprises: the fixing block 32 is formed at the top of the cover plate 3, and a first groove is formed in the middle of the fixing block; the locking block 33 is connected with the fixed block 32 and is provided with a second groove opposite to the first groove, and the caliber size of an opening formed by enclosing the first groove and the second groove is smaller than that of the lead inlet 34; the second screw structure is suitable for with the fixed block 32 with the latch segment 33 locking connection, and the second screw structure is including the fourth through-hole of shaping on the fixed block 32, the fifth through-hole of shaping on the latch segment 33, and after the wiring screw subassembly passed fifth through-hole, fourth through-hole in proper order, with latch segment 33 and fixed block 32 locking connection.

As shown in fig. 7 and 8, the case 1 of the small circuit breaker is installed in a junction box (a box body of the junction box is not shown, only a front cover is shown), and the top 10 surface of the case 1 is protruded from a through hole of the junction box front cover 4. The back of the front cover plate 4 is provided with two opposite L-shaped elastic clamping arms 41, and the two elastic clamping arms 41 are suitable for fixing the shell 1.

The miniature circuit breaker wiring structure of this embodiment, during the wiring, the staff's sight is just to top surface 10, because binding post 2 slopes to set up, the staff can see partial screwdriver jack 11 and wiring hole 12 simultaneously, compares with prior art, and it is more convenient to work a telephone switchboard like this, in addition, because screwdriver jack 11 and wiring hole 12 all are located top surface 10, even the vertical space of junction box is more narrow, also can easy to assemble and later maintenance.

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. The utility model provides a miniature circuit breaker wiring structure which characterized in that: the method comprises the following steps:

a housing (1);

binding post (2), the slope set up in on top surface (10) of casing (1), top surface (10) have supply screwdriver male screwdriver jack (11) to and supply the wire to insert binding post (2) wire chamber's wiring hole (12), screwdriver jack (11) with binding post (2) the binding screw is relative.

2. A small circuit breaker wiring structure according to claim 1, wherein: the inclination angle of the main body part of the wiring terminal (2) and the top surface (10) is 30-60 degrees.

3. A small circuit breaker wiring structure according to claim 2, characterized in that: the front end of the shell (1) along the insertion direction of the lead is provided with a guide inclined plane (13).

4. A small circuit breaker wiring structure according to claim 3, wherein: still be provided with on casing (1) and be suitable for sheltering from screwdriver jack (11) with apron (3) of wiring hole (12), apron (3) and top surface (10) enclose to close and form the installation cavity that is suitable for the installation wire, apron (3) top surface has the confession wire entry (34) that the wire penetrated.

5. A miniature circuit breaker wiring structure according to claim 4, wherein: the cover plate (3) is detachably arranged on the shell (1), one end of the cover plate is connected with the shell (1) through a clamping structure, and the other end of the cover plate is fixedly connected with the shell (1) through a first screw structure.

6. A miniature circuit breaker wiring structure according to claim 5, wherein: the clamping structure comprises:

the clamping groove (14) is formed in the shell (1);

the clamping block (31) is formed on one side, facing the shell (1), of the cover plate (3) and is in adaptive connection with the clamping groove (14).

7. A small circuit breaker wiring structure according to claim 6, wherein: the wire inlet (34) of the cover plate (3) is provided with a locking structure suitable for locking the wire, and the locking structure comprises:

the fixing block (32) is formed at the top of the cover plate (3), and a first groove is formed in the middle of the fixing block;

the locking block (33) is connected with the fixing block (32) and is provided with a second groove opposite to the first groove, and the caliber size of an opening formed by the first groove and the second groove in a surrounding mode is smaller than that of the lead inlet (34);

and the second binding screw structure is suitable for locking and connecting the fixing block (32) and the locking block (33).

8. A small circuit breaker wiring structure according to any one of claims 1 to 7, wherein: the casing (1) of the miniature circuit breaker is arranged in the inner cavity of a junction box, and the top surface (10) of the casing (1) extends out of a through hole of a front cover plate (4) of the junction box.