CN214227738U - Terminal box - Google Patents

Abstract

The utility model discloses a junction box, include: the plug comprises a box body and a plug head, wherein an accommodating cavity is formed in the box body, and a through hole is formed in the side wall of the box body and communicated with the accommodating cavity; the chock plug includes gag and cock body, and the gag is connected with the cock body, and the cock body is spaced apart around its circumference direction and is equipped with a plurality of breachs, forms the joint piece that a plurality of intervals set up, and the surface of joint piece all is equipped with the arch that sets up along cock body circumference direction, and protruding and gag interval set up, and the joint piece is used for inserting the through-hole, and protruding joint in the inner wall of box body, and the gag covers outside the through-hole. When the plug is plugged into the through hole, the clamping block is extruded by the through hole, so that the clamping block has a tendency of converging towards the center of the through hole, and the clamping block and the bulge positioned on the clamping block can enter the through hole; after joint piece and arch got into the through-hole, joint piece reconversion, the box wall joint of through-hole department was between arch and gag, so, enables the stable joint of chock plug in the through-hole.

Description

Terminal box

Technical Field

The utility model belongs to the technical field of the electric power communication pipeline technique and specifically relates to a terminal box is related to.

Background

In home decoration, the junction box is one of electrical accessories, because the electric wire for decoration is passed through the electric wire tube, and the junction position of the electric wire (such as longer line or corner of the electric wire tube) adopts the junction box as transition, the electric wire tube is connected with the junction box, the electric wire in the wire tube is connected in the junction box, and the functions of protecting the electric wire and connecting the electric wire are achieved.

In order to insert the junction box into the junction box, the existing junction box is provided with a plurality of knock-off holes on the bottom of the box body and the peripheral wall surfaces of the box body, so that a plurality of junction boxes can penetrate through the knock-off holes, and the safe connection of wires in the junction boxes is realized. Generally, each knock-off hole is provided with a knock-off piece, and the knock-off pieces are covered on the knock-off holes, so that dust or liquid is effectively prevented from entering the junction box. At present, the forming modes of the knock-off hole and the knock-off piece are two, one mode is that the knock-off hole and the knock-off piece are integrally formed by injection molding, and the other mode is that the knock-off hole and the knock-off piece are formed by stamping after the box body is injected. In any molding mode, the knock-out sheet is easy to fall off in the carrying or using process, and because not all reserved knock-out holes can be used, once the knock-out sheet falls off, the unused knock-out holes can be shielded only by adopting a mode of winding and sealing the adhesive tape. However, the adhesive tape is easy to age and fall off, dust or cement paste is easy to enter the junction box from a knock-off hole which is not covered by a knock-off piece, the service life and safety of the electric wire are influenced, and hidden troubles are brought to construction quality.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above problems, it is necessary to provide a junction box having good stability, capable of effectively preventing foreign matters such as dust and cement paste from entering the junction box while achieving a wiring function, and ensuring the safety of the electric wire.

A junction box, comprising: the box body is internally provided with an accommodating cavity, and the side wall of the box body is provided with a through hole which is communicated with the accommodating cavity; and the chock plug, the chock plug includes chock plug and chock plug body, the chock plug with the chock plug body is connected, the chock plug body is spaced apart around its circumference direction and is equipped with a plurality of breachs, forms the joint piece that a plurality of intervals set up, just the surface of joint piece all is equipped with the edge the arch that chock plug body circumference direction set up, protruding with the chock plug interval sets up, the joint piece is used for inserting the through-hole, just protruding joint in the inner wall of box body, the chock plug cover in outside the through-hole.

In the junction box, the accommodating cavity is formed in the box body, the side wall of the box body is provided with the through hole, so that the wiring pipe can pass through the through hole and connect the electric wire in the accommodating cavity, and the wiring effect of the junction box is realized. Meanwhile, as the plug head is arranged in each through hole and comprises the plug cover and the plug body which are connected, the plug body is provided with a plurality of gaps at intervals along the circumferential direction of the plug body so as to form a plurality of clamping blocks arranged at intervals, the outer surfaces of the clamping blocks are provided with protrusions arranged along the circumferential direction of the plug body, and the protrusions and the plug cover are arranged at intervals, therefore, when the plug head is plugged into the through hole, the clamping blocks arranged at intervals are plugged into the through hole, and the clamping blocks are extruded by the through hole under the pressure action of the through hole, so that the clamping blocks have the tendency of converging towards the center of the through hole, and the clamping blocks and the protrusions on the clamping blocks can enter the through hole; when the joint piece with the arch gets into behind the through-hole, the joint piece reconversion, because the arch with leave the clearance between the gag, therefore, the box wall joint of through-hole department is in the arch with between the gag, make be located this clearance one end protruding butt in the wall around the through-hole is promptly the inner wall of box body, be located this clearance other end the gag butt in the outer wall of box body, so, enable the stable joint of chock plug in the through-hole. Therefore, the wiring box is good in stability, foreign matters such as dust or cement paste can be effectively prevented from entering the wiring box while the wiring effect is achieved, and the safety of wires in the wiring box is guaranteed.

The technical solution is further explained below:

in one embodiment, the distance between the protrusion and the plug cover is greater than or equal to the wall thickness of the box body.

In one embodiment, the plug further comprises a sealing sheet, the sealing sheet is tightly attached to the surface of the plug cover and located on one side close to the plug body, and the sealing sheet is pressed between the outer wall of the box body and the plug cover.

In one embodiment, the sealing sheet is a rubber sheet or a silicon sheet.

In one embodiment, the plug cover is integrally formed at one end of the plug body away from the notch.

In one embodiment, the length of the notch is less than or equal to the length of the plug body.

In one embodiment, an opening is formed in one end of the box body and is communicated with the accommodating cavity, an installation seat is arranged in the accommodating cavity and is tightly attached to the inner wall of the box body and arranged along the height direction of the box body.

In one embodiment, the mounting seat is provided with a mounting hole.

In one embodiment, the portable electronic device further comprises a box cover and a self-tapping screw, wherein a connecting hole is formed in the box cover, and the self-tapping screw penetrates through the connecting hole and the mounting hole, so that the box cover is arranged at the opening.

In one embodiment, the outer wall of the box body is provided with a clamping body and a buckling body, and the clamping body is used for clamping the buckling body on the other box body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Furthermore, the drawings are not to scale of 1:1, and the relative dimensions of the various elements in the drawings are drawn only by way of example and not necessarily to true scale. In the drawings:

fig. 1 is a schematic structural view of a junction box according to an embodiment of the present invention;

FIG. 2 is an exploded view of the structure of the junction box of FIG. 1;

fig. 3 is a schematic structural view of another angle of the junction box according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a plug according to an embodiment of the present invention;

fig. 5 is a schematic view of another angle structure of the plug according to an embodiment of the present invention.

The elements in the figure are labeled as follows:

10. a box body; 110. an accommodating chamber; 120. a through hole; 20. a plug head; 210. a plug cover; 220. a plug body; 221. a notch; 222. a clamping block; 223. a protrusion; 30. sealing the sheet; 40. a mounting seat; 410. mounting holes; 50. a card body; 60. a buckle body.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 5, an embodiment provides a junction box, including: a box body 10 and a plug 20. The box body 10 is formed with a containing cavity 110, a through hole 120 is formed on a side wall of the box body 10, and the through hole 120 is communicated with the containing cavity 110. The plug 20 includes a plug cap 210 and a plug body 220. The cock cover 210 is connected with the cock body 220, and the cock body 220 is equipped with a plurality of breachs 221 around its circumferential direction interval, forms the joint piece 222 that a plurality of intervals set up, and the surface of joint piece 222 all is equipped with along the arch 223 of cock body 220 circumferential direction setting, arch 223 and cock cover 210 interval setting. The clamping block 222 is inserted into the through hole 120, the protrusion 223 is clamped on the inner wall of the box 10, and the plug 210 covers the through hole 120.

In this embodiment, since the accommodating cavity 110 is formed in the box body 10 and the side wall of the box body 10 is provided with the through hole 120, the wire connecting tube can pass through the through hole 120 and connect the electric wire in the accommodating cavity 110, thereby realizing the wiring function of the junction box. Simultaneously, because all be equipped with chock plug 20 in each through-hole 120, and chock plug 20 has included gag 210 and cock body 220 that are connected, cock body 220 is equipped with a plurality of breachs 221 around its circumferential direction interval, in order to form the joint piece 222 of a plurality of intervals settings, the surface of joint piece 222 all is equipped with the arch 223 of following cock body 220 circumferential direction setting, and arch 223 and cock cover interval setting, so, at the in-process of plugging in chock plug 20 in through-hole 120, the joint piece 222 that sets up earlier the interval fills in through-hole 120, under the pressure effect of through-hole 120, a plurality of joint pieces 222 receive the extrusion of through-hole 120, make a plurality of joint pieces 222 have the trend of polymerization to the center of through-hole 120, thereby enable joint piece 222 and be located the arch 223 on the joint piece 222 and get into in the through-hole 120. After the clamping block 222 and the protrusion 223 enter the through hole 120, the clamping block 222 is restored. Because a gap is left between the protrusion 223 and the plug 210, the box wall at the through hole 120 is clamped between the protrusion 223 and the plug 210, so that the protrusion 223 at one end of the gap abuts against the wall around the through hole 120, i.e. the inner wall of the box 10, and the plug 210 at the other end of the gap abuts against the outer wall of the box 10, thus the plug 20 can be stably clamped in the through hole 120. Therefore, the wiring box is good in stability, foreign matters such as dust or cement paste can be effectively prevented from entering the wiring box while the wiring effect is achieved, and the safety of wires in the wiring box is guaranteed.

In order to avoid the box body 10 from scratching the constructor, each corner of the box body 10 is optionally wrapped or designed to be a circular arc-shaped corner. Therefore, the junction box can be effectively prevented from scratching constructors due to sharp corners on the box body 10 in the using process, and the construction safety is guaranteed.

Referring to fig. 4 and 5, on the basis of the above embodiments, in an embodiment, the distance between the protrusion 223 and the plug 210 is greater than or equal to the wall thickness of the box 10. Thus, the plug 20 can be engaged in the through hole 120.

Referring to fig. 1, 4 and 5, on the basis of the above embodiments, in an embodiment, the junction box further includes a sealing sheet 30. The sealing plate 30 is tightly attached to the surface of the plug 210 and located at a side close to the plug 220, so that the sealing plate 30 is pressed between the outer wall of the box 10 and the plug 210. When the interval between arch 223 and gag 210 is greater than the wall thickness of box body 10, behind the chock plug 20 joint in through-hole 120, the chock plug 20 can rock through-hole 120 relatively, and at this moment, the mode of the accessible addding gasket 30 prevents effectively that the chock plug 20 from rocking in through-hole 120. When the distance between the protrusion 223 and the plug cover 210 is equal to the wall thickness of the box body 10, at this time, the sealing sheet 30 is additionally arranged to fill a small gap between the plug cover 210 and the outer wall of the box body 10, so as to further ensure the sealing property between the plug cover 210 and the outer wall of the box body 10, effectively prevent fine particles (such as dust and the like) and liquid (such as water, cement paste and the like) from entering the accommodating cavity 110 from the through hole 120 through the gap, ensure the use safety of the electric wire in the accommodating cavity 110, and avoid potential safety hazards to the construction process and constructors.

Alternatively, the shape of the sealing plate 30 is not particularly limited, and may be a circular plate structure, a rectangular plate structure, a circular ring structure, or the like.

Specifically, in the present embodiment, the sealing plate 30 has a circular ring structure, and the inner diameter of the circular ring structure is greater than or equal to the outer diameter of the plug body 310.

On the basis of the above embodiments, in one embodiment, the sealing sheet 30 is a rubber sheet or a silicone sheet.

Alternatively, the sealing sheet 30 may also be an asbestos gasket.

Referring to fig. 4 and 5, on the basis of the above embodiments, in an embodiment, the plug cover 210 is integrally formed at an end of the plug body 220 away from the gap 221. For example, the plug cover 210 is formed by stamping or injection molding on an end of the plug body 220 away from the notch 211. Alternatively, the plug 210 is disposed at an end of the plug body 220 away from the notch 211 by other integrally forming methods. Through with gag 210 integrated into one piece on cock body 220, guaranteed that gag 210 can locate on cock body 220 steadily, make whole chock plug 20 have higher structural strength and longer life, simultaneously, integrated into one piece can also effectively save the assemble duration.

Alternatively, in another embodiment, the plug cover 210 may be connected to the plug body 220 by other fixing connection methods. For example, the plug cover 210 is attached to the end of the plug body 220 away from the notch 211 by gluing.

Optionally, in another embodiment, the plug cover 210 is mounted to the end of the plug body 220 away from the notch 211 by means of a snap or screw connection. Alternatively, the plug 210 is detachably disposed at an end of the plug 220 away from the notch 211, as long as the plug 210 and the plug 220 can be detached. When any one part of the plug cover 210 or the plug body 220 is damaged due to accidental collision or falling, the damaged part can be replaced, so that the use or installation cost of the installation box is saved, and the practicability of the plug head 20 is improved.

With reference to fig. 4 and 5, based on the above embodiments, in one embodiment, the length of the gap 221 is less than or equal to the length of the plug body 220.

Specifically, in this embodiment, the length of the notch 221 is smaller than that of the plug body 220, so that the structural strength between the plurality of clamping blocks 222 is improved, and the stability of the clamping blocks 222 is enhanced.

Optionally, when the length of the gap 221 is equal to the length of the plug body 220, it is equivalent to that the plurality of clamping blocks 222 are individually connected to the plug cover 210, so that when the plug body 220 is detachably connected to the plug cover 210, the plurality of clamping blocks 222 are detachably connected to the plug cover 210, and thus, when any one clamping block 222 in the plurality of clamping blocks 222 is damaged, the damaged clamping block 222 can be replaced. Therefore, when the length of the gap 221 is equal to the length of the plug body 220 and the two are detachably connected, the practicability of the plug head is further increased, and the use cost of the junction box is reduced.

Alternatively, the number of the notches 221 is not particularly limited.

Specifically, in this embodiment, the plug body 220 is provided with four notches 221 to form four clamping blocks 222, and the four notches 221 are equidistantly disposed on the plug body 220, so that the four clamping blocks 222 are equidistantly distributed on the plug body 220.

Referring to fig. 1 to fig. 3, on the basis of the above embodiments, in an embodiment, an opening (not labeled) is disposed at one end of the box body 10, and the opening is communicated with the accommodating cavity 110. The accommodating cavity 110 is provided with an installation seat 40 therein, and the installation seat 40 is closely attached to the inner wall of the box body 10 and is arranged along the height direction of the box body 10. So, through setting up the opening, can make things convenient for constructor to connect the electric wire in holding chamber 110, make this terminal box have the effect of connecting the electric wire.

Alternatively, the number of the mounts 40 is not particularly limited.

Referring to fig. 3, in the present embodiment, two mounting seats 40 are disposed in the accommodating cavity 110, and the two mounting seats 40 are disposed oppositely.

Referring to fig. 1 to fig. 3, on the basis of the above embodiments, in an embodiment, the mounting base 40 is provided with a mounting hole 410.

In addition to the above embodiments, in an embodiment, the junction box further includes a box cover (not shown) and a self-tapping screw (not shown). The box cover is provided with a connecting hole, and a self-tapping screw is arranged in the connecting hole and the mounting hole 410 in a penetrating way, so that the box cover is arranged at the opening. When the opening part is located to the lid, can prevent effectively that outside dust, impurity or liquid from getting into and holding the chamber 110 in, influence the power consumption safety.

Optionally, the box cover is fixedly provided with a mounting block, and the mounting block is matched with the corresponding mounting hole 410, so that the mounting block is clamped in the mounting hole 410. So, can avoid using screws etc. to need carry out the connecting piece of auxiliary operation with the help of extracting tool, improved constructor's work efficiency.

Optionally, the case body 10 and/or the case cover are made of PVC. Therefore, the terminal box is convenient for constructors to operate due to light weight in the using process.

In order to further ensure the use safety of the junction box, the box body 10 and/or the box cover are made of fireproof insulating materials, so that when the electric wire is in short circuit and is accidentally ignited, the spread of fire can be inhibited, and the use safety is improved.

Optionally, the surface that lid and box body contacted is equipped with the sealing washer, and the sealing washer adopts rubber circle or silica gel circle, so, has further improved the leakproofness of terminal box, avoids impurity to get into from the opening of box body 10 and holds in the chamber 110.

Referring to fig. 1 to fig. 3, on the basis of the above embodiments, in an embodiment, the outer wall of the box 10 is provided with a locking body 50 and a buckle body 60. The clamping body 50 is used for clamping a buckle body 60 on another box body 10. When a plurality of junction boxes need to be connected by a constructor, the stable connection between the junction boxes can be realized by the clamping body 50 and the buckling body 60 on the outer wall of the box body 10 directly, so that the operation of the constructor is facilitated. Meanwhile, since the card body 50 and the button body 60 are detachably connected, it is convenient to disassemble a plurality of assembled connection boxes.

Optionally, the terminal box further comprises a handle (not shown), which is vertically disposed on the surface of the plug cover 210 and located on the side away from the plug body 220. The handle can be disposed at any position on the surface of the plug 210, and is disposed at the center of the surface of the plug 210 for uniform force when the plug 20 is pulled out of or inserted into the through hole 120 and convenience for the user to operate.

Optionally, the handle is integrally formed on the bung 210. For example, the handle may be stamped or injection molded onto the closure 210. Alternatively, the handle may be integrally formed on the plug 210. Through with handle integrated into one piece on gag 210, guaranteed that the handle can locate on gag 210 steadily, make whole chock plug 20 have higher structural strength and longer life, simultaneously, integrated into one piece can also effectively save the assemble duration.

Alternatively, the handle may be connected to the plug 210 by other means of fixed connection. For example, the handle is attached to the stopper cap 210 by gluing.

Optionally, the handle is mounted to the plug body 220 by means of a snap or threaded connection. Alternatively, the handle may be detachably disposed on the plug body 220, as long as the handle and the plug cover 210 can be detachably disposed. For example, the surface of the plug cover 210 is provided with a blind hole, an internal thread is arranged in the blind hole, and an external thread matched with the internal thread is arranged on the handle, so that the handle and the plug cover 210 can be connected in a threaded manner. The detachable connection mode is favorable for when the arbitrary part of gag 210 or handle takes place the damage because of accident colliding with or falling, removable part wherein damaging, so, has saved the use or the installation cost of this mounting box, has improved chock plug 20's practicality.

Alternatively, the handle is divided into two parts, the lower part of the handle is used for fixing or detachable connection with the plug cover 210, the upper part of the handle is used for holding, and the upper part and the lower part of the handle are integrally connected. Specifically, the upper portion structure of the handle is not particularly limited, for example, the upper portion of the handle may be a circular ring, which in turn facilitates hand-holding. For another example, the upper portion of the handle is provided with anti-slip particles to provide greater friction when the operator pulls the plug 20 out of the through-hole 120.

When the junction box is used, the wires to be connected are correspondingly inserted into the through holes 120, and the through holes 120 which are not inserted into the wire pipes are inserted into the plugs 20 to block the through holes 120. Specifically, constructor holds the chock plug 210 by hand, inserts cock body 220 in the through-hole 120, and under the pressure effect of through-hole 120, a plurality of joint pieces 222 receive the extrusion of through-hole 120, make a plurality of joint pieces 222 have the trend of gathering to the center of through-hole 120 to enable joint piece 222 and be located the arch 223 on joint piece 222 and get into in the through-hole 120. After the clamping block 222 and the protrusion 223 enter the through hole 120, the clamping block 222 is restored, the box wall at the through hole 120 is clamped between the protrusion 223 and the plug cover 210, so that the protrusion 223 abuts against the wall surface around the through hole 120, i.e. the inner wall of the box body 10, and the plug cover 210 abuts against the outer wall of the box body 10. In the follow-up work progress, when needing to use the through-hole 120 that has the chock plug 20, constructor can stretch into the hand and hold the chamber 110 in, hold a plurality of joint pieces 222, make a plurality of joint pieces 222 gather together to the center of through-hole 120 simultaneously, at this moment, arch 223 no longer butts in the inner wall of box body 10, outwards promotes chock plug 20 with the hand, can make chock plug 20 drop in the through-hole 120. The box body 10 is provided with the plug head 20 which is tightly matched with the box body, so that the junction box has good stability, dust or liquid can be effectively prevented from entering the junction box while wiring is realized, and the use stability of the junction box is ensured.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A junction box, comprising:

the box body is internally provided with an accommodating cavity, and the side wall of the box body is provided with a through hole which is communicated with the accommodating cavity; and

the chock plug, the chock plug includes chock plug and chock plug body, the chock plug with the chock plug body is connected, the chock plug body is spaced apart around its circumference direction and is equipped with a plurality of breachs, forms the joint piece that a plurality of intervals set up, just the surface of joint piece all is equipped with the edge the arch that chock plug body circumference direction set up, protruding with the chock plug interval sets up, the joint piece is used for inserting the through-hole, just protruding joint in the inner wall of box body, the chock plug cover in outside the through-hole.

2. The junction box of claim 1, wherein a spacing between the protrusion and the plug cover is greater than or equal to a wall thickness of the box.

3. The junction box of claim 1, further comprising a sealing sheet, wherein the sealing sheet is tightly attached to the surface of the plug cover and located on one side close to the plug body, so that the sealing sheet is pressed between the outer wall of the box body and the plug cover.

4. The junction box of claim 3, wherein the sealing sheet is a rubber sheet or a silicone sheet.

5. The junction box of claim 1, wherein the plug cover is integrally formed on an end of the plug body distal from the notch.

6. The terminal block of claim 1, wherein a length of the notch is less than or equal to a length of the plug body.

7. The junction box according to claim 1, wherein an opening is formed at one end of the box body and is communicated with the accommodating cavity, and a mounting seat is arranged in the accommodating cavity and is tightly attached to the inner wall of the box body and arranged along the height direction of the box body.

8. The junction box of claim 7, wherein said mounting base has mounting holes.

9. The junction box of claim 8, further comprising a box cover and self-tapping screws, wherein the box cover is provided with connecting holes, and the self-tapping screws are inserted into the connecting holes and the mounting holes, so that the box cover is covered at the opening.

10. The junction box according to any one of claims 1 to 9, wherein the outer wall of the box body is provided with a clamping body and a buckle body, and the clamping body is used for clamping the buckle body on another box body.

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