CN213185394U

CN213185394U - Adjustable locking piece for junction box and junction box

Info

Publication number: CN213185394U
Application number: CN202022005639.2U
Authority: CN
Inventors: 叶昊
Original assignee: Shanghai Kangrui Electric Co ltd
Current assignee: Shanghai Kangrui Electric Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-11
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses an adjustable locking piece and terminal box for terminal box. The adjustable locking piece comprises a strip-shaped body and an ear part formed by extending horizontally along the middle part of the upper end of the body; the side wall of the box body of the junction box is respectively provided with a pair of limiting clamping pieces and a limiting convex part according to the upper position and the lower position. A gap is reserved between the limiting clamping piece and the side wall of the box body of the junction box so as to allow the body of the adjustable locking piece to be inserted into the gap; the limiting protruding part is positioned below the limiting clamping piece and used for preventing the body of the adjustable locking piece from falling off downwards; the width of the ear part of the adjustable locking piece is smaller than the distance between the pair of limiting clamping pieces, so that after the body of the adjustable locking piece is inserted into a gap between the limiting clamping pieces and the side wall of the box body, the ear part of the adjustable locking piece is positioned between the pair of limiting clamping pieces, the body can move in the appropriate horizontal direction between the two limiting clamping pieces, and the position of the locking piece can be flexibly adjusted.

Description

Adjustable locking piece for junction box and junction box

Technical Field

The utility model belongs to the terminal box field specifically is an adjustable locking piece and terminal box for terminal box.

Background

In the modern construction industry, junction boxes are often embedded within cast-in-place or prefabricated walls or floors to enable concealed wiring connections or to install panels of switches, sockets and the like.

The existing junction box mainly comprises a box body and a locking piece on the box body, wherein the locking piece is usually fixed. When the size of the panel (such as a socket, a switch seat panel, etc.) to be installed in the junction box is slightly different or the position needs to be fine-adjusted, the existing junction box cannot be applied, and only appropriate parts can be replaced, which brings inconvenience to the construction.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, it is a first object of the present invention to provide an adjustable locking piece for a junction box.

A second object of the present invention is to provide a junction box.

The utility model provides a technical scheme that its technical problem adopted is:

an adjustable locking piece for a junction box comprises a strip-shaped body and an ear part formed by extending horizontally along the middle part of the upper end of the body; be equipped with a pair of spacing card and a spacing bulge respectively according to upper and lower position on the box body lateral wall of terminal box, wherein:

a gap is reserved between the limiting clamping piece and the side wall of the box body of the junction box, and the gap is matched with the thickness of the body of the adjustable locking piece so as to allow the body of the adjustable locking piece to be inserted into the gap;

the limiting protruding part is positioned below the limiting card and used for preventing the body of the adjustable locking piece from falling off after being inserted into a gap between the limiting card and the side wall of the box body;

the width of the ear of the adjustable locking piece is smaller than the distance between the pair of limiting clamping pieces, so that after the body of the adjustable locking piece is inserted into a gap between the limiting clamping pieces and the side wall of the box body, the ear of the adjustable locking piece is positioned between the pair of limiting clamping pieces, and the body of the adjustable locking piece can move horizontally in a proper mode between the two limiting clamping pieces.

According to a preferred embodiment, the limiting card is formed by extending the inner wall of the junction box body inwards and downwards, and the limiting bulge is formed by protruding the inner wall of the junction box body inwards.

A junction box comprises a box body and a plurality of first locking pieces arranged on the inner wall of the box body, wherein the first locking pieces adopt the adjustable locking pieces.

Furthermore, a plurality of wiring holes are formed in the box body.

Furthermore, shielding sheets are arranged at the wiring holes, and the outer edges of the shielding sheets are fixed with the inner walls of the wiring holes through a plurality of connection points.

According to a preferred embodiment, the number of the first locking pieces is two, the first locking pieces are symmetrically arranged on two opposite inner walls of the box body, the other two opposite inner walls of the box body are symmetrically provided with two second locking pieces, one side of each second locking piece is fixedly connected with the inner wall of the box body, fixing holes are formed in the middle parts of the first locking piece and the second locking piece, and the first locking piece and the second locking piece are located on the same horizontal plane.

Furthermore, the inner wall of the fixing hole is provided with threads.

According to a preferred embodiment, the number of turns of the thread is greater than one turn and less than four turns.

Furthermore, a copper wiring terminal is further fixed on the inner side of the bottom of the box body, a screw hole is formed in the middle shaft of the copper wiring terminal, a radial through hole is further formed in the middle of the copper wiring terminal, and the through hole is communicated with the screw hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the position of the locking piece can be adjusted, the position of the fixing hole on the panel can be adapted, and the panel with different specifications or sizes can be installed.

2. The inner wall of the junction box can be further provided with a fixed locking piece, and the adjustable locking piece is matched, so that the junction box can adapt to the position of a fixing hole on the panel, can ensure the fixed installation of the panel and can prevent the panel from loosening.

3. The fixing holes in the locking pieces are provided with screw holes, only a small number of screw holes are needed, screws matched with the junction boxes can be screwed together for packaging, the screws are not easy to lose, and the screws are convenient to store and use by users.

Drawings

Fig. 1 is a schematic view of an adjustable locking tab for a junction box according to an embodiment.

Fig. 2 is a schematic view of a junction box of another embodiment.

Fig. 3 is a schematic view of the copper stud of fig. 2.

Description of the figure numbers:

10. the body of the adjustable locking piece, 11, the ear of the adjustable locking piece.

20. Fixing hole, 30, limit card, 40, limit bulge.

50. The box body, 51 the first locking piece, 52 the second locking piece, 53 the wiring hole, 54 the matte.

55. The copper binding post 550 is provided with a screw hole, 551 is provided with a through hole in the middle of the copper binding post in the radial direction, and 552 is provided with a screw.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

Example 1

Fig. 1 shows an adjustable locking piece for a junction box of the present embodiment, which includes a long-strip-shaped body 10, and an ear portion 11 formed by extending horizontally along the middle of the upper end of the body 10; correspondingly, a pair of limiting clamping pieces 30 and a limiting convex part 40 are respectively arranged on the side wall of the box body of the junction box according to the upper position and the lower position, wherein a gap is reserved between the limiting clamping pieces 30 and the side wall of the box body of the junction box, and the gap is matched with the thickness of the body 10 of the adjustable locking piece so as to allow the body 10 of the adjustable locking piece to be inserted into the gap; the limiting protrusion part 40 is located below the limiting card 30 and is used for preventing the body 10 of the adjustable locking piece from being separated after being inserted into a gap between the limiting card 30 and the side wall of the box body.

In this embodiment, the width D of the ear portion 20 of the adjustable locking piece₁Is less than the distance D between the pair of limit cards 30₂So that after the body 10 of the adjustable locking piece is inserted into the gap between the limit card 30 and the side wall of the box body, the ear 20 of the adjustable locking piece is positioned between the pair of limit cards 30, and the body 10 can depend on the width differenceThe two limiting clamping pieces 30 move horizontally in a proper degree, so that the position of the locking piece is adjusted.

In this embodiment, the limiting card 30 extends inward and downward from the inner wall of the junction box body, and the limiting protrusion 40 protrudes inward from the inner wall of the junction box body.

Example 2

As shown in fig. 2, the junction box of the present embodiment includes a box body 50, and a plurality of first locking pieces 51 disposed on an inner wall of the box body 50. The first locking piece 51 is the adjustable locking piece of embodiment 1.

Use the utility model discloses a during the terminal box, adjustable its first locking piece 51's position has avoided the panel because of size or mounted position, and the fixed orifices of panel is seted up the difference such as position deviation and is leaded to unable the use.

Further, the box body 50 is provided with a plurality of wiring holes 53.

Still further, all be equipped with the matte 54 at wiring hole 53, fix together through a plurality of connecting points between the inner wall of wiring hole 53 and the outer fringe of matte 54, when needing to pass through a certain wiring hole 53 threading, break the connecting point of matte 54 outer fringe relatively easily to take off matte 54 at this wiring hole 53.

Preferably, the number of the first locking pieces 51 is two, and the first locking pieces are symmetrically arranged on two opposite inner walls of the box body 50, and the other two opposite inner walls of the box body are symmetrically arranged with two second locking pieces 52. Wherein, one side of the second locking piece 52 is fixedly connected with the inner wall of the box body 50, and the middle parts of the first and

second locking pieces

51 and 52 are both provided with a fixing hole 20. The first locking piece 51 and the second locking piece 52 are in the same horizontal plane, so that the first locking piece 51 which can be movably adjusted and the second locking piece 52 which is fixed can be matched for use, and the panels with different installation specifications or sizes can be adapted.

Further, the inner wall of the fixing hole 20 is provided with a thread. Preferably, the number of turns of the thread is more than one turn and less than four turns. When in packaging, the screw or the bolt can be screwed into the fixing hole, and the screw is not easy to fall off. Compared with the mode of separately packaging the junction box and the screws, the junction box and the screws matched with the junction box are packaged together, so that the screws are not easy to lose and are convenient to store and use.

Further, a copper binding post 55 is fixed on the inner side of the bottom of the box body 50, a screw hole 550 is formed in the middle shaft of the copper binding post 55, a radial through hole 551 is formed in the middle of the copper binding post 55, and the through hole 551 is communicated with the screw hole 550. The copper post 55 is used for fixing a ground wire: the ground wire is inserted into the through hole 551 and screwed into the screw hole 550 by using a screw 552, and the ground wire is fastened to the copper post 55 by the screw 550.

The above embodiments describe the structure of the adjustable locking piece for the junction box and the junction box in detail, but should not be considered as limiting the present invention. It will be readily understood that modifications, substitutions and further improvements may be made by those skilled in the art based on the teachings of the present invention, but any modifications or equivalents will fall within the scope of the claims of the present invention.

Claims

1. An adjustable locking piece for a junction box is characterized by comprising a strip-shaped body and an ear part formed by extending horizontally along the middle part of the upper end of the body; be equipped with a pair of spacing card and a spacing bulge respectively according to upper and lower position on the box body lateral wall of terminal box, wherein:

2. The adjustable locking piece of claim 1 wherein the limiting tab is formed by an inner wall of the junction box body extending inward and downward, and the limiting protrusion is formed by an inner wall of the junction box body protruding inward.

3. A junction box comprising a box body and a plurality of first locking pieces arranged on the inner wall of the box body, characterized in that the first locking pieces are the adjustable locking pieces of claim 1 or 2.

4. The connector of claim 3, wherein the housing has a plurality of wire holes.

5. The junction box of claim 4, wherein the wiring holes are each provided with a mask, and the outer edges of the masks are fixed to the inner walls of the wiring holes through a plurality of connection points.

6. The junction box of claim 3, wherein the number of the first locking pieces is two, the first locking pieces are symmetrically arranged on two opposite inner walls of the box body, two second locking pieces are symmetrically arranged on the other two opposite inner walls of the box body, one side of each second locking piece is fixedly connected with the inner wall of the box body, fixing holes are formed in the middle parts of the first locking piece and the second locking piece, and the first locking piece and the second locking piece are positioned on the same horizontal plane.

7. The terminal box of claim 6, wherein the inner wall of the fixing hole is provided with a screw thread.

8. The junction box of claim 7, wherein the threads have a number of turns greater than one turn and less than four turns.

9. The junction box according to claim 3, wherein a copper binding post is further fixed on the inner side of the bottom of the box body, a screw hole is formed in the center shaft of the copper binding post, a radial through hole is further formed in the middle of the copper binding post, and the through hole is communicated with the screw hole.