CN210272212U

CN210272212U - Protection mechanism of circuit breaker

Info

Publication number: CN210272212U
Application number: CN201921272150.2U
Authority: CN
Inventors: 孔东波
Original assignee: Jiangsu Dantong Electric Co ltd
Current assignee: Jiangsu Dantong Electric Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-07
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a protective mechanism of a circuit breaker, which comprises a rainproof shell and an installation shell, wherein the rainproof shell is connected with the installation shell in a matching way, the inner wall of the rainproof shell is fixedly connected with a threading plate, a plurality of chutes and a plurality of vertical grooves are arranged in the threading plate, compression bolts are arranged in the chutes, two perforations are arranged on the front side of the rainproof shell, positioning bolts are arranged in the perforations, and slots are arranged on the edge of the inner wall of the rainproof shell. The wiring operation of the terminal strip can be completed without disassembling the protective shell of the circuit breaker, and the mounting steps of the circuit breaker are simplified.

Description

Protection mechanism of circuit breaker

Technical Field

The utility model relates to a protection machanism, in particular to protection machanism of circuit breaker belongs to circuit breaker technical field.

Background

The breaker is a switch device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time, the breaker has the functions of cutting off and connecting a load circuit and cutting off a fault circuit, the accident expansion is prevented, the safe operation is ensured, the wiring mode of the breaker comprises a front board, a back board, a plug-in type and a drawer type, a user supplies materials according to the front board if no special requirements exist, the front board wiring is a common wiring mode, because the wiring structure is positioned in the protective shell of the breaker, the protective shell must be disassembled before the breaker is installed, the operation is complicated, and when the protective shell of the breaker is combined, the problem of water leakage at the joint of the protective shell is easily caused because screws are not tightened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection machanism of circuit breaker to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protection machanism of circuit breaker, includes rain-proof shell and installation shell, rain-proof shell and installation shell adaptation are connected, rain-proof shell inner wall fixedly connected with threading board, be equipped with a plurality of chutes and a plurality of perpendicular groove in the threading board, be equipped with clamp bolt in the chute, two perforations have been seted up in the front of rain-proof shell, all be equipped with positioning bolt in the perforation, the slot has been seted up at the inner wall edge of rain-proof shell.

Preferably, two locating plates of equal fixedly connected with in both sides of installation shell, all be equipped with the locating hole in the locating plate, the both sides of installation shell all are equipped with the switch preformed groove, two thread bush of installation shell inner wall fixedly connected with, fixedly connected with terminal cardboard between two relative inner walls of installation shell, the both ends of terminal cardboard all are equipped with two mounting holes, the outer wall edge of installation shell all is equipped with the snap ring.

Preferably, the inner wall of the inclined groove is provided with internal threads, the inclined groove and the vertical groove are crossed to form a V-shaped structure, and the inclined groove penetrates through the threading plate.

Preferably, the positioning bolt corresponds to the threaded sleeve, and the bottom wall of the mounting shell is provided with a positioning screw hole of the circuit breaker.

Preferably, the edge of the clamping ring is provided with a flanging edge, and the flanging edge of the clamping ring corresponds to the slot.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a protection machanism of circuit breaker, the internal structure reasonable in design has, convenient to use and rain-proof dirt-proof characteristics, in concrete use, the opening of erecting the groove is downward, the opening slope of chute is downward, in the homoenergetic avoids the rainwater to pour into the circuit breaker protective case, rain-proof shell is arrow-headed structure with the installation shell, can form "U" font water drainage tank at seam crossing, avoid the rainwater to get into the protective case from the seam in, good rain-proof insulating effect has been played, need not to dismantle the circuit breaker protective case, alright completion terminal row wiring operation, the installation step of circuit breaker has been simplified.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the mounting housing of the present invention;

FIG. 3 is a schematic structural view of the rain-proof case of the present invention;

fig. 4 is a structural sectional view of the present invention.

In the figure: 1. a rain-proof shell; 11. a threading plate; 111. a chute; 112. a hold-down bolt; 113. a vertical slot; 12. perforating; 121. positioning the bolt; 13. a slot; 2. mounting a shell; 21. positioning a plate; 211. positioning holes; 22. switching a reserved groove; 23. a threaded sleeve; 24. a terminal card board; 25. mounting holes; 26. a snap ring.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a protection machanism of circuit breaker, includes rain-proof shell 1 and installation shell 2, rain-proof shell 1 and installation shell 2 adaptation are connected, and 1 inner wall fixedly connected with threading board 11 of rain-proof shell is equipped with a plurality of chutes 111 and a plurality of perpendicular groove 113 in the threading board 11, is equipped with clamp bolt 112 in the chute 111, and two perforation 12 have been seted up in the front of rain-proof shell 1, all is equipped with positioning bolt 121 in the perforation 12, and slot 13 has been seted up at the inner wall edge of rain-proof shell 1.

Wherein, two locating plates 21 of the equal fixedly connected with in both sides of installing shell 2, all be equipped with locating hole 211 in the locating plate 21, the both sides of installing shell 2 all are equipped with switch preformed groove 22, two thread bush 23 of 2 inner wall fixedly connected with of installing shell, fixedly connected with terminal cardboard 24 between two relative inner walls of installing shell 2, the both ends of terminal cardboard 24 all are equipped with two mounting holes 25, the outer wall edge of installing shell 2 all is equipped with snap ring 26.

Wherein, the internal thread has been seted up to chute 111 inner wall, and chute 111 and perpendicular groove 113 are alternately "V" font structure, and chute 111 runs through threading board 11, and the opening that erects groove 113 is downward, and the opening slope of chute 111 is downward, and the homoenergetic is avoided the rainwater to pour into in the circuit breaker protective case.

Wherein, positioning bolt 121 corresponds with

thread bush

23, and 2 diapalls of installation shell are equipped with circuit breaker location screw, the combination of easy to assemble.

Wherein, the edge of snap ring 26 is equipped with the hem, and the hem of snap ring 26 corresponds with slot 13, can form "U" font drainage tank in the seam crossing.

Specifically, when the utility model is used, the protection mechanism of the circuit breaker has the characteristics of reasonable internal structural design, convenient use, rain prevention and dust prevention, the terminal block is installed on the terminal clamping plate 24 by utilizing the bolt, the rain-proof shell 1 is connected with the installation shell 2 in a matching way, when in assembly, the slot 13 is aligned with the snap ring 26, the rain-proof shell 1 is pushed to be aligned with the installation shell 2, the thread sleeve 23 is aligned with the perforation 12, at the moment, the rain-proof shell 1 and the installation shell 2 can be effectively fixed by utilizing the positioning bolt 121, when in wiring, the insulating layer of the end of the wire is stripped, the stripped end is inserted into the vertical groove 113, after the end is stripped to the deepest part of the vertical groove 113, the compression bolt 112 made of plastic material is rotated, the end of the compression bolt 112 is inserted into the jack of the terminal block to complete the wiring operation of the terminal block without disassembling the protection shell of the circuit breaker, the installation, and the opening of the vertical groove 113 is downward, the opening of the chute 111 is downward in inclination, rainwater can be prevented from being poured into the protective shell of the circuit breaker, the rainproof shell 1 and the installation shell 2 are both arrow-shaped structures, an inverted U-shaped drainage groove can be formed at the joint, rainwater is prevented from entering the protective shell from the joint, and a good rainproof insulation effect is achieved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protection machanism of circuit breaker, includes rain-proof shell (1) and installation shell (2), its characterized in that, rain-proof shell (1) and installation shell (2) adaptation connection, rain-proof shell (1) inner wall fixedly connected with threading board (11), be equipped with a plurality of chutes (111) and a plurality of perpendicular groove (113) in threading board (11), be equipped with in chute (111) clamp bolt (112), two perforation (12) have been seted up in the front of rain-proof shell (1), all be equipped with positioning bolt (121) in perforation (12), slot (13) have been seted up at the inner wall edge of rain-proof shell (1).

2. A protection mechanism for a circuit breaker according to claim 1, wherein: two locating plates (21) of equal fixedly connected with in both sides of installation shell (2), all be equipped with locating hole (211) in locating plate (21), the both sides of installation shell (2) all are equipped with switch preformed groove (22), two thread bush (23) of installation shell (2) inner wall fixedly connected with, fixedly connected with terminal cardboard (24) between two relative inner walls of installation shell (2), the both ends of terminal cardboard (24) all are equipped with two mounting holes (25), the outer wall edge of installation shell (2) all is equipped with snap ring (26).

3. A protection mechanism for a circuit breaker according to claim 1, wherein: the inner wall of the inclined groove (111) is provided with internal threads, the inclined groove (111) and the vertical groove (113) are crossed to form a V-shaped structure, and the inclined groove (111) penetrates through the threading plate (11).

4. A protection mechanism for a circuit breaker according to claim 1, wherein: positioning bolt (121) and thread bush (23) are corresponding, installation shell (2) diapire is equipped with circuit breaker location screw.

5. A protection mechanism for a circuit breaker according to claim 2, wherein: the edge of the clamping ring (26) is provided with a flanging edge, and the flanging edge of the clamping ring (26) corresponds to the slot (13).