CN215870367U - Connector and electrical box - Google Patents

Abstract

The utility model belongs to the technical field of electrical equipment, and discloses a connector on the one hand. This connector sets up on electrical box, electrical box is equipped with the first through-hole that is used for with the internal components and parts electric connection of electrical box, the connector is including the fixed part that is fixed in electrical box, be responsible for body and locating part, be provided with the second through-hole that can expose in first through-hole on the fixed part, it passes the second through-hole and communicates first through-hole to be responsible for the body, the fixed part can be injectd and be responsible for the body, and make and be responsible for the body and can rotate around the axis of second through-hole, the locating part is connected in being responsible for the body, the locating part can be restricted in the second through-hole with being responsible for the body, and with being responsible for the body and rotate together. The utility model also discloses an electrical box body comprising the connector. The utility model does not need to take down or install the external wire positioned on the connector at the side part of the case when the bottom of the case is installed and maintained, has simple and convenient operation and greatly improves the installation and maintenance efficiency.

Description

Connector and electrical box

Technical Field

The utility model relates to the field of electrical equipment, in particular to a connector and an electrical box body.

Background

The distribution box is electrical equipment commonly used, and includes the electrical box and all set up switchgear, measuring instrument, protection electrical and auxiliary assembly etc. in the electrical box, is provided with the connector on the electrical box, and external line passes through the connector to be connected in the distribution box for the distribution box power supply.

Electric box and connector fixed connection of block terminal among the prior art, when electric box needs to dismantle the maintenance, need pull down outside electric wire one by one to avoid in the maintenance process, drag outside electric wire, then after accomplishing the maintenance, need connect outside electric wire one by one again, complex operation and inefficiency.

Therefore, there is a need to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a connector and an electric box body, and aims to solve the problems of complex operation and low efficiency in the process of maintaining the electric box body.

To achieve the object, the present invention provides a connector disposed on an electrical box body, the electrical box body being provided with a first through hole for electrically connecting with a component inside the electrical box body, the connector comprising:

the fixing part is fixed on the electric box body, and a second through hole capable of exposing the first through hole is formed in the fixing part;

the main pipe body penetrates through the second through hole and is communicated with the first through hole, the fixing part can limit the main pipe body and enable the main pipe body to rotate around the axis of the second through hole, and the main pipe body can be electrically connected with the component; and

the limiting piece is connected to the main pipe body, and the limiting piece can limit the main pipe body in the second through hole and can rotate along with the main pipe body.

Preferably, the connector further includes a first sealing ring, and the first sealing ring is pressed between the inner side wall of the second through hole and the outer side wall of the main pipe body extending into the second through hole.

Preferably, the connector further includes a second seal ring pressed between the fixing portion and the electrical box.

Preferably, the aperture of the first through hole is larger than the aperture of the second through hole, and the limiting member is located in the first through hole and abuts against a portion of the fixing portion located at the edge of the second through hole.

Preferably, the fixing portion is disposed on an inner side wall of the electrical box body, the fixing portion is provided with a bushing which can penetrate through the first through hole and extend out of the electrical box body, and the main pipe body extends into the bushing.

Preferably, the limiting part is annular and provided with a notch, the limiting part is made of elastic material, a clamping groove is formed in the part, extending into the main pipe body and penetrating through the second through hole, of the main pipe body, and the limiting part abuts against and presses the bottom of the clamping groove.

Preferably, the connector further comprises a wiring row, the main pipe body is provided with a containing cavity for containing the wiring row, the containing cavity is communicated with the second through hole, the wiring row comprises at least one wiring terminal, and the main pipe body is provided with at least one wiring hole which can be communicated with the containing cavity.

Preferably, the main pipe body comprises:

the wire casing can extend into the second through hole, and the wire casing is provided with the accommodating cavity;

the cover plate is detachably fixed on the trunking housing and is positioned at one end of the main pipe body, which is far away from the electric box body; and

and the third sealing ring is extruded between the cover plate and the trunking housing.

Preferably, the limiting member is located at one end of the fixing portion close to the electrical box.

In another aspect, the utility model also provides an electrical box comprising a connector as described above.

Preferably, the electric box body can rotate around a first rotating shaft, and the axis of the second through hole is overlapped with the first rotating shaft.

The utility model has the beneficial effects that: the main pipe body is limited in the fixing part through the limiting part, and the fixing part enables the main pipe body to rotate around the axis of the second through hole, so that when the box body is maintained, an external electric wire which stretches into the main pipe body and is connected with a component in the electric box body can move relative to the electric box body, the external electric wire is prevented from being pulled, the external electric wire does not need to be taken down or installed in a connector before and after maintenance, and the maintenance efficiency is simple and convenient to operate and greatly improved.

Drawings

FIG. 1 is a schematic diagram of a prior art electrical enclosure;

fig. 2 is a schematic view showing a structure in which a first connection line is pulled after an electric box body in the prior art is rotated;

fig. 3 is a schematic structural diagram of an electrical box according to an embodiment of the present invention;

FIG. 4 is a schematic view of the electrical housing of FIG. 3 after relative rotation with the connector;

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

FIG. 6 is a partial view at R of FIG. 5;

FIG. 7 is an exploded view of the connector of FIG. 3;

fig. 8 is an exploded view of a connector provided in accordance with a second embodiment of the present invention;

fig. 9 is a left side view of a connector according to a third embodiment of the present invention.

In the figure:

1. an electrical box body; 11. a first rotating shaft;

2. a connector; 21. a fixed part; 211. a flange plate; 2111. a first fixing hole; 212. a bushing; 22. a primary tube; 221. a trunking housing; 2211. an annular groove; 222. a cover plate; 223. a third seal ring; 23. a limiting member; 231. a second fixing hole; 232. a notch; 24. a first seal ring; 25. a second seal ring; 251. a third fixing hole; 26. a wiring terminal; 261. a binding post; 262. a wiring nut; 27. a fourth seal ring;

3. a first connecting line;

4. a threading tube;

5. a second connecting line;

61. a first screw; 62. a second screw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

In the prior art, as shown in fig. 1, in the process of disassembling and maintaining the electrical box 1, the electrical box 1 needs to be disassembled, and the position of the electrical box 1 is adjusted, because the electrical box 1 is fixedly connected with the connector, in the process of maintaining, because the connector 2 arranged on the electrical box 1 is fixedly connected with the electrical box 1, the electrical box 1 can pull the plurality of first connecting wires 3 located in the threading pipe 4 in the moving process, so that the first connecting wires 3 or the connector 2 can be damaged, in order to avoid the above problem, before the maintenance, the maintenance personnel firstly take the plurality of first connecting wires 3 off from the connector 2, then maintain, and after the maintenance is completed, install the plurality of first connecting wires 3 on the connector 2 one by one, the operation is very cumbersome, and the maintenance efficiency is very low.

In order to solve the above problem, as shown in fig. 2 to fig. 6, the present embodiment provides an electrical box 1, where the electrical box 1 includes a first through hole and a connector 2, the first through hole is used for electrically connecting with a component in the electrical box 1, specifically, the first connecting wire 3 directly penetrates into the first through hole and is electrically connected with the component in the electrical box 1, or the connecting terminal penetrates into the first through hole, so that the first connecting wire 3 and the component are electrically connected to two ends of the connecting terminal respectively, or the terminal of the component extends out of the first through hole and is electrically connected with the first connecting wire 3.

Connector 2 dock in first through-hole, connector 2 includes fixed part 21, main pipe body 22 and locating part 23, fixed part 21 is fixed in on the electrical box 1, be provided with the second through-hole that can expose first through-hole on the fixed part 21, main pipe body 22 stretches into in the second through-hole and communicates first through-hole, first connecting wire 3 can stretch into main pipe body 22, and with the components and parts electric connection in electrical box 1, in order can be for the electrical component power supply in electrical box 1, main pipe body 22 can be injectd to fixed part 21, and make main pipe body 22 rotate around the axis of second through-hole, locating part 23 connects in main pipe body 22, and be located the one end that fixed part 21 is close to electrical box 1, locating part 23 can be restricted main pipe body 22 in the second through-hole, and can follow main pipe body 22 and rotate together, make connector 2 rotatable coupling in electrical box 1. Thus when removing electrical cabinet 1, the main pipe body 22 of connector 2 can rotate with electrical cabinet 1 relatively for stretch into in connector 2's first connecting wire 3 can not dragged, need not to take off or install the first connecting wire 3 that is located connector 2 around the maintenance, easy and simple to handle and improved maintenance efficiency greatly.

It is understood that, in other embodiments, the position, size and shape of the limiting member 23 can adaptively depart from or avoid the components in the electrical box 1 according to the layout space in the electrical box 1, and avoid affecting the normal operation of the components in the electrical box 1 when the limiting member 24 rotates together with the main pipe 22, which is not limited herein.

Preferably, the electrical box body 1 can rotate around the first rotating shaft 11, and the axis of the second through hole coincides with the first rotating shaft 11, so that when the electrical box body 1 is repaired and disassembled, a maintenance worker is not needed to adjust the pose of the electrical box body 1, and the operation of the maintenance worker is further facilitated.

Specifically, in this embodiment, the fixing portion 21 includes a flange 211 and a bushing 212, the flange 211 is provided with a second through hole, the second through hole extends to the bushing 212, the aperture of the first through hole is larger than that of the second through hole, the flange 211 is provided with four first fixing holes 2111, and the four first screws 61 respectively penetrate through the four first fixing holes 2111 and fix the flange 211 on the outer side wall of the electrical box 1. The main pipe 22 can pass through the second through hole and extend into the electrical box 1, and the outer side wall of the main pipe 22 extending into the second through hole abuts against the inner side wall of the bushing 212, so that the main pipe 22 can rotate around the first rotating shaft 11, two second fixing holes 231 are arranged on the limiting piece 23, two second screws 62 respectively pass through the two second fixing holes 231 and are fixed on the part of the main pipe 22 located in the electrical box 1, and the limiting piece 23 can abut against the part of the fixing part 21 located on the edge of the second through hole, so that the main pipe 22 is limited on the electrical box 1.

It is understood that, in other embodiments, both the fixing portion 21 and the limiting member 23 may be disposed inside the electrical box 1. The flange 211 of the fixing portion 21 is disposed inside the electrical box 1 and fixed on the inner sidewall of the electrical box 1, the fixing portion 21 is provided with a bushing 212 that can pass through the first through hole and extend out of the electrical box 1, the main pipe 22 extends into the bushing 212, and the bushing 212 can limit the main pipe 22 to rotate around the first rotating shaft 11; when the aperture of the first through hole is larger than that of the second through hole, the limiting member 23 may abut against the inner wall of the electrical box 1 at the edge of the first through hole, or may abut against the end face of the flange 211 departing from the main pipe body 22; when the aperture of the first through hole is not greater than the aperture of the second through hole, preferably, the stopper 23 abuts against a portion of the electrical box body 1 located at the edge of the first through hole, so that the connector 2 is more firmly restricted on the electrical box body 1, and is not particularly limited herein.

Further, in order to ensure the sealing performance between the connector 2 and the electrical box 1, in the present embodiment, the connector 2 further includes a first sealing ring 24 and a second sealing ring 25. The first seal ring 24 is pressed between the inner sidewall of the bushing 212 and the outer sidewall of the main pipe body 22 extending into the second through hole, so as to seal the gap between the main pipe body 22 and the fixing portion 21. The second sealing ring 25 is provided with four third fixing holes 251, and four first screws 61 are sequentially inserted through the first fixing holes 2111 and the third fixing holes 251 to be connected to the electrical box 1, so as to press the second sealing ring 25 between the flange plate 211 and the electrical box 1, thereby sealing a gap between the fixing portion 21 and the electrical box 1. Preferably, the connector 2 includes a pair of first sealing rings 24, and a pair of annular grooves 2211 are provided on the outer side wall of the main pipe body 22 extending into the second through hole, the pair of first sealing rings 24 are respectively provided in the pair of annular grooves 2211, and the bushing 212 press-limits the pair of first sealing rings 24 in the pair of annular grooves 2211, which greatly improves the sealing performance of the connector 2 with the outside.

Further, in this embodiment, in order to facilitate the wiring of the electrical element in the electrical box 1, the connector 2 further includes a wiring row, the main pipe 22 is provided with a cavity for accommodating the wiring row, and when the main pipe 22 extends into the electrical box 1, the cavity can be communicated with the second through hole, the wiring row includes at least one wiring terminal 26, the main pipe 22 is provided with at least one wiring hole capable of being communicated with the cavity, and the first connection line 3 can extend into the main pipe 22 through the wiring hole and is connected to the wiring terminal 26. The second connection line 5 inside the electrical cabinet 1 can extend into the housing of the main tube 22 and is connected to the connection terminal 26, thereby facilitating the connection of the electrical components in the electrical cabinet 1.

Preferably, in this embodiment, one end of the connection terminal 26 is provided with a connection terminal 261, the other end is provided with a connection hole, the first connection line 3 is sleeved on the connection terminal 261, the second connection line 5 is connected to the connection terminal 26 with the connection hole, and the connection nut 262 fixes the first connection line 3 on the connection terminal 261, so that the first connection line 3 is stably connected on the connection terminal 26.

With the above structure, preferably, in order to facilitate the installation of the first connection line 3, the main pipe body 22 includes a line casing 221, a cover plate 222, a third sealing ring 223 and a fourth sealing ring 27. The wire casing 221 can extend into the second through hole, the wire casing 221 is provided with a containing cavity for containing the wiring row, the cover plate 222 can be detachably fixed on the wire casing 221, and is located at one end of the main pipe body 22 deviating from the electrical box body 1, in order to ensure the sealing performance between the wire casing 221 and the cover plate 222, the third sealing ring 223 is extruded between the cover plate 222 and the wire casing 221, the fourth sealing ring 27 is arranged on the wire passing hole of the main pipe body 22 for communicating the first connection wire 3, the fourth sealing ring 27 is extruded between the outer side wall of the first connection wire 3 and the inner side wall of the wire passing hole, and therefore the wire casing 221 is sealed with the outside.

Example two

The difference between the present embodiment and the first embodiment is that the structure and the connection manner of the limiting member 23 are different.

Specifically, in this embodiment, the limiting member 23 is annular, and is provided with a notch 232, the limiting member 23 is made of an elastic material, a portion of the main pipe body 22 extending into and passing through the second through hole is provided with a clamping groove, an inner diameter of the limiting member 23 is smaller than an outer diameter of a groove bottom of the clamping groove, the limiting member 23 can be clamped in the clamping groove after the notch 232 needs to be opened, so that the limiting member 23 is elastically deformed, the limiting member 23 is restored to be elastically deformed, the limiting member 23 abuts against the groove bottom of the clamping groove, so that the limiting member 23 is limited on the portion of the main pipe body 22 extending into and passing through the second through hole, when the main pipe body 22 is pulled out, the limiting member 23 abuts against the fixing portion 21, and thus the main pipe body 22 is limited on the electrical box body 1.

EXAMPLE III

The present embodiment is different from the second embodiment in that the terminal block in the present embodiment includes five connection terminals 26, and the five connection terminals 26 are distributed in a circumferential array around the first rotating shaft 11, so that the plurality of first connection lines 3 and the plurality of second connection lines 5 are respectively connected to the plurality of connection terminals 26.

It is understood that the user may set the number of the terminal 26 of the terminal block to three, four or more according to his or her own needs, which is not particularly limited herein.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (11)

1. The utility model provides a connector sets up on the electrical box body, the electrical box body be provided with be used for with the internal first through-hole of components and parts electric connection of electrical box, its characterized in that, the connector includes:

a fixing part (21) fixed to the electrical box body, wherein a second through hole capable of exposing the first through hole is formed in the fixing part (21);

a main pipe body (22) passing through the second through hole and communicating with the first through hole, the fixing portion (21) being capable of defining the main pipe body (22) and enabling the main pipe body (22) to rotate around the axis of the second through hole; and

and the limiting piece (23) is connected to the main pipe body (22), and the limiting piece (23) can limit the main pipe body (22) in the second through hole and can rotate along with the main pipe body (22).

2. Connector according to claim 1, characterized in that it further comprises a first sealing ring (24), said first sealing ring (24) being compressed between the inner side wall of said second through hole of said fixing portion (21) and the outer side wall of said main tubular body (22) projecting into said second through hole.

3. Connector according to claim 1, characterized in that it further comprises a second sealing ring (25), said second sealing ring (25) being compressed between said fixing portion (21) and said electrical box.

4. The connector according to claim 1, wherein the aperture of the first through hole is larger than the aperture of the second through hole, and the stopper (23) is located in the first through hole and abuts against a portion of the fixing portion (21) located at the edge of the second through hole.

5. Connector according to claim 4, characterized in that the fixing portion (21) is provided on an inner side wall of the electrical box, the fixing portion (21) being provided with a bushing (212) that can pass through the first through hole and protrude outside the electrical box, the main tube body (22) protruding into the bushing (212).

6. The connector according to claim 1, wherein the retaining member (23) is annular and provided with a notch (232), the retaining member (23) is made of an elastic material, a clamping groove is formed in a portion of the main pipe body (22) extending into and passing through the second through hole, and the retaining member (23) abuts against a groove bottom of the clamping groove.

7. The connector according to claim 1, further comprising a terminal block, wherein the main tube body (22) is provided with a cavity for accommodating the terminal block, the cavity is communicated with the second through hole, the terminal block comprises at least one terminal (26), and the main tube body (22) is provided with at least one wire passing hole capable of being communicated with the cavity.

8. Connector according to claim 7, characterized in that said main tubular body (22) comprises:

the wire casing (221) can extend into the second through hole, and the wire casing (221) is provided with the accommodating cavity;

the cover plate (222) is detachably fixed on the trunking housing (221) and is positioned at one end, away from the electrical box body, of the main pipe body (22); and

a third sealing ring (223) compressed between the cover plate (222) and the raceway housing (221).

9. Connector according to claim 1, characterized in that said stop (23) is located at the end of said fixed portion (21) close to said electrical box.

10. An electrical cabinet comprising a connector as claimed in any one of claims 1 to 9.

11. The electrical box according to claim 10, characterised in that it is rotatable about a first axis of rotation (11), the axis of the second through hole coinciding with the first axis of rotation (11).

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