CN217692498U

CN217692498U - Junction box

Info

Publication number: CN217692498U
Application number: CN202220049276.9U
Authority: CN
Inventors: 王旭
Original assignee: Shanghai Zhuwei Electric Appliance Co ltd
Current assignee: Shanghai Zhuwei Electric Appliance Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-10-28
Anticipated expiration: 2032-01-10

Abstract

The utility model provides a junction box, including preceding box, door plant, back box. The front box body comprises a front plate, a first side plate and a second side plate, the front plate, the first side plate and the second side plate are all formed into a square shape, the front side of the first side plate and the front side of the second side plate are respectively and vertically connected to the left side and the right side of the front plate, and an opening is formed in the front plate; one side of the door panel is rotatably coupled to one side of the opening to open/close the opening; the rear box body comprises a back plate, a top plate and a bottom plate, the back plate, the top plate and the bottom plate are all formed into a square shape, and the rear side of the top plate and the rear side of the bottom plate are respectively and vertically connected to the upper side and the lower side of the back plate; the front box body and the rear box body are integrally formed, and the front box body and the rear box body are spliced into a square body in a welding mode. The manufacturing process of the front box body and the rear box body does not need welding, and only welding is needed in the splicing process, so that welding seams on the box body are greatly reduced, and the problems of long welding time, difficulty in cleaning welding spots, easiness in deformation, poor sealing effect and the like are effectively solved.

Description

Junction box

Technical Field

The utility model relates to a distribution technical field, concretely relates to junction box.

Background

The existing junction box comprises a door plate and a box body, wherein the box body comprises a front plate, two side plates, a back plate, a top plate and a bottom plate, all parts of the box body are made of flat plate materials, and are subjected to tailor welding after corner cutting, hole opening and edge bending to finally form a whole. In the welding process, all welding lines need to be fully welded, the welding lines are required to be attractive, smooth and free of welding slag, and welding points are cleaned by special liquid medicine to achieve the effects that the sealing is watertight, and the welding points basically keep the original color of the plate.

The junction box formed by welding has the advantages that the box body has more welding parts and more positions needing welding, welding spots after welding are correspondingly more, and the time needed for welding and cleaning the welding spots is longer. In addition, excessive welding easily causes the problems of cold joint and deformation of flat plate materials, so that the welded box body is not attractive and poor in sealing effect.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a junction box, the box of this junction box only forms by two parts welding, and this kind of structure can enough reduce the welding seam on the box, can reduce the solder joint after the welding again to obtain smooth outward appearance and good sealed effect, and reduced the time of welding and clearance.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model discloses a junction box, include:

the refrigerator comprises a front box body, a second box body and a control device, wherein the front box body comprises a front plate, a first side plate and a second side plate, the front plate, the first side plate and the second side plate are all formed into a square shape, the front side of the first side plate and the front side of the second side plate are respectively and vertically connected to the left side and the right side of the front plate, and an opening is formed in the front plate;

a door panel having one side rotatably connected to one side of the opening to open/close the opening;

the rear box body comprises a back plate, a top plate and a bottom plate, the back plate, the top plate and the bottom plate are all formed into a square shape, and the rear side of the top plate and the rear side of the bottom plate are respectively and vertically connected to the upper side and the lower side of the back plate;

the front box body and the rear box body are integrally formed, and the front box body and the rear box body are spliced into a square body in a welding mode.

Further, the integrated molding is punch forming.

Further, the door panel is formed with a reinforcing rib.

Further, the junction box further comprises:

the mounting panel, the mounting panel sets up the inside of junction box for install the internal component.

Further, the mounting plate is fixed on the back plate through a support screw.

Furthermore, a first blank pressing is formed on the periphery of the door panel, a second blank pressing is formed on the periphery of the opening of the front plate, and the first blank pressing is attached to the outer side of the second blank pressing when the door panel is covered with the front plate.

Further, a sealing strip is arranged on the inner side of the first edge pressing.

Furthermore, the side edge of the back plate is provided with a mounting lug.

Further, the door plate is connected with the front plate through a hinge.

The above technical scheme of the utility model one of following beneficial effect has at least:

the utility model discloses a box of junction box only forms by two parts welding, and this kind of structure can enough reduce the welding seam on the box, can reduce the solder joint after the welding again to obtain smooth outward appearance and good sealed effect, and reduced the time of welding and clearance.

Drawings

FIG. 1 is an exploded view of a junction box according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a junction box according to an embodiment of the present invention.

Reference numerals: 1. a door panel; 2. a front plate; 3. a first side plate; 4. a second side plate; 5. an opening; 6. a back plate; 7. a top plate; 8. a base plate; 9. reinforcing ribs; 10. mounting a plate; 11. a support screw; 12. a first blank holder; 13. second edge pressing; 14. a sealing strip; 15. mounting a lug; 16. and (4) a hinge.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and the like in the description of the invention does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

The following describes an embodiment of the junction box of the present invention in detail with reference to the drawings.

As shown in figures 1-2, the junction box of the utility model comprises a front box body, a door plate 1 and a rear box body. The front box body comprises a front plate 2, a first side plate 3 and a second side plate 4, the front plate 2, the first side plate 3 and the second side plate 4 are all formed into a square shape, the front side of the first side plate 3 and the front side of the second side plate 4 are respectively and vertically connected to the left side and the right side of the front plate 2, and an opening 5 is formed in the front plate 2; one side of the door panel 1 is rotatably coupled to one side of the opening 5 to open/close the opening 5; the rear box body comprises a back plate 6, a top plate 7 and a bottom plate 8, the back plate 6, the top plate 7 and the bottom plate 8 are all formed into a square shape, and the rear side of the top plate 7 and the rear side of the bottom plate 8 are respectively and vertically connected to the upper side and the lower side of the back plate 6; the front box body and the rear box body are integrally formed, and the front box body and the rear box body are spliced into a square body in a welding mode.

The existing junction box comprises a door plate 1 and a box body, wherein the box body comprises a front plate 2, a first side plate 3, a second side plate 4, a back plate 6, a top plate 7 and a bottom plate 8, all parts of the box body are made of flat plate materials, and are subjected to tailor welding after corner cutting, hole opening and edge bending to form a whole. The box body formed by welding has more welding parts and more positions needing welding, welding spots after welding are correspondingly more, and the time required for welding and cleaning the welding spots is longer. In addition, excessive welding easily causes the problems of cold joint and deformation of flat plate materials, so that the welded box body is not attractive and poor in sealing effect. In order to overcome this problem, in this embodiment, the box only comprises preceding box and back box two parts, and preceding box is formed to front bezel 2, first curb plate 3, second curb plate 4 integrated into one piece, and backplate 6, roof 7, bottom plate 8 integrated into one piece constitute the back box, and preceding box and back box assemble into complete box through the welding. Wherein, preceding box and back box are all made flat material through corner cut, trompil, crimp, and the manufacturing process need not the welding, only need in the front the box with the concatenation in-process of back box weld, the welding seam on the box that has significantly reduced to effectively solved long, the difficult clearance of solder joint, easy deformation and sealed effect subalternation problem of welding time.

Further, the integrated molding is punch forming. In this embodiment, the integrated into one piece's of preceding box and back box mode is stamping forming, but need explain, the utility model discloses do not limit to integrated into one piece's mode, can carry out reasonable selection according to actual need, as long as can guarantee the performance and the quality of box through integrated into one piece, it can to reduce the welding seam on the box.

Further, as shown in fig. 2, the door panel 1 is formed with a reinforcing rib 9. In the present embodiment, the door panel 1 is provided with a reinforcing rib 9 for reinforcing the strength of the door panel 1. The strengthening rib 9 can set up along the width direction of door plant 1, also can set up along the length direction of door plant 1, can also follow the crisscross setting of incline direction, the utility model discloses do not injecing this, can carry out reasonable setting according to actual need, as long as can strengthen door plant 1's intensity can.

Further, as shown in fig. 1, the junction box further includes a mounting plate 10, and the mounting plate 10 is provided inside the junction box for mounting internal components. The mounting plate 10 is a separate component that can be stamped into different shapes or cut from a sheet of material. The mounting plate 10 may be used for mounting and arranging internal components, such as terminals, ground bars, transformers, air switches, etc.

Further, as shown in fig. 1, the mounting plate 10 is fixed to the back plate 6 by a support screw 11. In other embodiments, the mounting plate 10 may be disposed on the bottom plate 8, or may be disposed on the first side plate 3 or the second side plate 4, which is not limited by the present invention, and may be disposed reasonably according to actual requirements. The mounting plate 10 is detachably connected to the inside of the junction box through a support screw 11, so that the mounting plate 10 can be conveniently detached and replaced.

Further, as shown in fig. 1-2, a first pressing edge 12 is formed around the door panel 1, a second pressing edge 13 is formed at a position of the front panel 2 around the opening 5, and when the door panel 1 and the front panel 2 are closed, the first pressing edge 12 is attached to the outer side of the second pressing edge 13, so that a sealing effect is achieved. The first pressing edge 12 and the door panel 1, the second pressing edge 13 and the front plate 2 are all of an integrally formed structure, no welding line exists, and the sealing performance is good.

Further, as shown in fig. 2, the inside of the first flange 12 is provided with a seal 14. In order to achieve a more effective seal between the door panel 1 and the front panel 2, in the present embodiment, a sealing strip 14 is provided on the inside of the first hem 12 of the door panel 1, and the sealing strip 14 can be in contact with the second hem 13. That is to say, when door plant 1 and front bezel 2 are closed, sealing strip 14 on door plant 1 can laminate with second blank holder 13, and under the effect of the clamping force, second blank holder 13 can compress tightly sealing strip 14 in order to realize more effective sealed. In this embodiment, the sealing strip 14 may be a rubber component, or a nylon component, and the present invention does not limit this, and can be selected reasonably according to actual needs.

Further, as shown in fig. 1, the side of the back plate 6 is provided with a mounting lug 15. The operator can install the junction box more conveniently by means of the mounting lugs 15.

Further, as shown in fig. 1, the door panel 1 and the front panel 2 are connected by a hinge 16. In this embodiment, rotatable coupling can be realized comparatively conveniently through hinge 16 between door plant 1 and the front bezel 2, in other embodiments, both also can realize connecting through other modes, the utility model discloses do not do the limited to this, can carry out reasonable selection according to actual need.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A junction box, comprising:

the front box body comprises a front plate, a first side plate and a second side plate, the front plate, the first side plate and the second side plate are formed into a square shape, the front side of the first side plate and the front side of the second side plate are respectively and vertically connected to the left side and the right side of the front plate, and an opening is formed in the front plate;

2. A connection box as claimed in claim 1, in which the integral formation is a punch-forming.

3. A connection box as claimed in claim 1, in which the door panel is formed with reinforcing ribs.

4. The junction box of claim 1, further comprising:

5. The junction box of claim 4, wherein the mounting plate is secured to the back plate by a support screw.

6. The junction box of claim 1, wherein a first bead is formed around the door panel, a second bead is formed around the opening of the front panel, and the first bead is attached to an outer side of the second bead when the door panel is closed on the front panel.

7. A connection box according to claim 6, characterised in that the first binder is provided with a sealing strip on the inside.

8. A service box as claimed in claim 1, in which the side edges of the back panel are provided with mounting lugs.

9. A junction box as claimed in claim 1, wherein the door panel is hingedly connected to the front panel.