CN215356846U

CN215356846U - Junction box and welding machine

Info

Publication number: CN215356846U
Application number: CN202120639860.5U
Authority: CN
Inventors: 朱荧; 高文军; 张辉; 杨成志; 吴米
Original assignee: Shenzhen Megmeet Welding Technology Co ltd
Current assignee: Shenzhen Megmeet Welding Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-31
Anticipated expiration: 2031-03-29

Abstract

The embodiment of the utility model relates to the technical field of welding machine accessories, and particularly discloses a junction box and a welding machine, which comprise: the mounting plate is provided with a mounting opening; the wire holder is arranged at the mounting opening; the box cover comprises a cover body and a flexible rotating shaft, one end of the cover body is connected with one end of the flexible rotating shaft, the other end of the flexible rotating shaft is fixed with the mounting plate, the cover body is provided with an accommodating groove and an opening communicated with the accommodating groove, when the cover body covers the mounting plate, the wire holder is partially accommodated in the accommodating groove, and the wire holder is exposed to the opening. The other end of the flexible rotating shaft is fixed on the mounting plate, and the flexible rotating shaft has elastic bending performance, so that the cover body can be turned over and opened or closed relative to the mounting plate. Compared with a rigid rotating shaft mode, the embodiment of the utility model only needs one part, reduces the assembly among the parts, improves the assembly property, and reduces the number of the parts, thereby reducing the number of moulds and reducing the production cost.

Description

Junction box and welding machine

Technical Field

The embodiment of the utility model relates to the technical field of welding machine accessories, in particular to a junction box and a welding machine.

Background

With the continuous development of the technology, the application of the welding machine is more and more extensive, and the use amount is increasingly increased, but if the power line is improperly connected, or sundries such as water, dust and the like enter the wiring position, the short circuit and other faults of the welding machine can be caused, so that in order to ensure the electricity safety of the welding machine, the wiring box is usually configured when the welding machine is used, and the welding machine is electrically connected with the outside through the wiring box, so that the electricity safety is improved.

However, in the course of carrying out the present invention, the inventors of the present invention found that: the terminal box of present traditional welding machine includes lid, mounting panel and connection terminal usually, and the connection terminal is installed on the mounting panel, adopts the technical scheme of rigidity pivot between lid and the mounting panel, and rigidity pivot assembling nature is poor, and the part is many.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model mainly solves the technical problem of providing a junction box and a welding machine, which can improve the assembly property of the junction box and reduce the number of parts.

In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a junction box including: mounting panel, wire holder and lid. Wherein the mounting plate is provided with a mounting opening; the wire holder is arranged at the mounting opening; the lid includes lid and flexible pivot, the one end of lid with the one end of flexible pivot is connected, the other end of flexible pivot with the mounting panel is fixed, the lid is provided with accepting groove and intercommunication the opening of accepting groove the lid is located during the mounting panel, the connection terminal part accept in the accepting groove, and the connection terminal exposes in the opening.

Optionally, the flexible rotating shaft includes a fixed plate and a flexible rotating sheet, the fixed plate is connected with one end of the flexible rotating sheet, the other end of the flexible rotating sheet is fixed on the cover body, and the flexible rotating sheet has elastic deformation performance.

Optionally, the outer surface of one end of the cover body is recessed towards the receiving groove to form a groove, and the fixing plate portion is received in the groove.

Optionally, the mounting plate is provided with a first through hole, the fixing plate is provided with a second through hole, the flexible rotating shaft further comprises a fixing bolt and a nut, and the fixing bolt penetrates through the fixing plate and the mounting plate and is matched with the nut.

Optionally, the wall thickness of the flexible rotating sheet is reduced from two ends to the middle.

Optionally, the cover body is provided with a third through hole, the wire holder is provided with a screw hole, the junction box further comprises a fixing screw, and the fixing screw is screwed to the screw hole after penetrating through the third through hole.

Optionally, the cover body is provided with a counter bore, the counter bore is communicated with the third through hole, and when the fixing screw penetrates through the third through hole and then is screwed with the screw hole, the fixing screw sinks into the counter bore.

Optionally, a surface of the cover body deviating from the mounting plate is provided with a sinking groove, and a holding groove is formed in the side wall of the sinking groove.

Optionally, the flexible rotating sheet is made of polypropylene.

According to another aspect of an embodiment of the present invention, there is provided a welding machine including the junction box described above.

The embodiment of the utility model has the beneficial effects that: the junction box includes: the installation plate, the wire holder and the box cover, the box cover comprises a cover body and a flexible rotating shaft, one end of the cover body is connected with one end of the flexible rotating shaft, the other end of the flexible rotating shaft is fixed on the installation plate, and the flexible rotating shaft has elastic bending performance, so that the flexible rotating shaft is turned over, the cover body can be opened or closed relative to the installation plate, and compared with a rigid rotating shaft mode, the installation plate structure only needs one part, reduces the assembly among the parts, improves the assembly performance, reduces the number of the parts, reduces the number of dies and reduces the production cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on the drawings without any creative effort.

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

FIG. 2 is an assembly view of the junction box of the embodiment of the present invention;

FIG. 3 is a schematic view of a mounting plate of an embodiment of the present invention;

FIG. 4 is a schematic view of a wire holder of an embodiment of the present invention;

FIG. 5 is a schematic view of a wire holder of an embodiment of the present invention mounted on a mounting plate;

FIG. 6 is a schematic view of a perspective of a lid according to an embodiment of the present invention;

FIG. 7 is a schematic view of another perspective of a lid for a container according to an embodiment of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 2A in accordance with an embodiment of the present invention;

fig. 9 is a schematic view showing an elastically deformed state of the cap according to the embodiment of the present invention.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" 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 be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and 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 terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, fig. 1 is an exploded view of a junction box according to an embodiment of the present invention, fig. 2 is an assembly view of the junction box according to the embodiment of the present invention, and the junction box 1 includes: the mounting plate 10, the wire holder 20, the box cover 30, the fixing bolt 40, the nut 50 and the fixing screw 60. The mounting plate 10 is used for mounting parts, the wire holder 20 is used for connecting wires, the box cover 30 is used for accommodating the mounting plate 10 and the wire holder 20, the fixing bolt 40 and the nut 50 are matched together to mount the box cover 30 on the mounting plate 10, and the fixing screw 60 is used for mounting the wire holder 20 on the mounting plate 10, wherein the box cover 30 can open or close the mounting plate 10 and the wire holder 20.

As shown in fig. 3, fig. 3 is a schematic view of the mounting plate 10 according to the embodiment of the present invention, the mounting plate 10 is provided with a mounting opening 101, the mounting opening 101 is rectangular, and the mounting opening 101 is used for accommodating the wire holder 20. The mounting plate 10 is further provided with a first through hole 102, and the first through hole 102 is used for mounting the box cover 30 on the mounting plate 10.

As for the wire holder 20 described above, as shown in fig. 4 and 5, fig. 4 is a schematic view of the wire holder according to the embodiment of the present invention, fig. 5 is a schematic view of the wire holder according to the embodiment of the present invention mounted on the mounting plate, the wire holder 20 is received in the mounting opening 101 of the mounting plate 10, and the wire holder 20 is fixed on the mounting plate 10. The wire holder 20 is further provided with screw holes 201 for fixing the box cover 30 to the mounting plate 10.

In order to fix the wire holder 20 to the mounting plate 10, in the embodiment of the present invention, the wire holder 20 may be fixed to the mounting plate 10 by means of screw. Of course, in other embodiments of the present invention, the wire holder 20 and the mounting plate 10 may be fixed by snap-fit, welding, bonding, etc.

As for the above-mentioned box cover 30, as shown in fig. 6 and 7, fig. 6 is a schematic view of a view of the box cover according to an embodiment of the present invention, and fig. 7 is a schematic view of another view of the box cover according to an embodiment of the present invention, the box cover 30 includes a flexible rotating shaft 301 and a cover body 302, wherein the flexible rotating shaft 301 includes a fixed plate 3011 and a flexible rotating sheet 3012, the fixed plate 3011 is connected to one end of the flexible rotating sheet 3012, and the other end of the flexible rotating sheet 3012 is fixed to the cover body 302.

With respect to the fixing plate 3011, the fixing plate 3011 is provided with a second through hole 3013, and the fixing bolt 40 passes through the mounting plate 10 and the fixing plate 3011, and cooperates with the nut 50 to fix the fixing plate 3011 on the mounting plate 10.

It will be appreciated that in other embodiments of the present invention, the fixing manner of the fixing plate 3011 and the mounting plate 10 is not limited to the above manner, and may be other manners, such as: the connecting and fixing are realized through the modes of clamping, welding, bonding and the like.

In some embodiments, as shown in fig. 8, fig. 8 is a partial enlarged view of the flexible rotary sheet 3012 at a point a in fig. 2, the wall thickness of the flexible rotary sheet 3012 is gradually decreased from two ends to the middle, and the two ends of the box cover 30 can be folded around the point where the wall thickness of the flexible rotary sheet 3012 is the smallest, so as to realize the elastic deformation of the flexible rotary sheet 3012.

It should be noted that, in the embodiment of the present invention, the material of the box cover 30 is Polypropylene, which is abbreviated as PP (Polypropylene), and is a thermoplastic synthetic resin with excellent performance, which is colorless, odorless, nontoxic, and translucent solid, and is a common thermoplastic light general-purpose plastic, and has chemical resistance, heat resistance, electrical insulation, high strength mechanical property, good high wear resistance processing performance, and the like. The polypropylene material is soft, and in the embodiment of the utility model, the polypropylene is selected as the material of the box cover 30, which is beneficial to the elastic deformation of the flexible rotary sheet 3012.

It is understood that in other embodiments of the present invention, the material of the box cover 30 may be other materials with elastic deformation property, such as polyoxymethylene, polyethylene, etc.

In the cover 302, the cover 302 is provided with a receiving groove 3021, and the receiving groove 3021 is used for receiving the mounting plate 10 and the wire holder 20, so as to receive a part of the mounting plate 10 and a part of the wire holder 20.

The cover 302 is provided with an opening 3022, the opening 3022 is communicated with the receiving groove 3021, when the wire holder 20 is partially received in the receiving groove 3021, the wire holder 20 is exposed to the opening 3022, and the opening 3022 is used for the passage of electric wires and the wire holder 20 to be electrically connected.

As shown in fig. 9, fig. 9 is a schematic view of an elastic deformation state of the box cover according to the embodiment of the present invention, the cover body 302 is provided with a groove 3023, after the flexible rotary sheet 3012 is folded, the fixing plate 3011 is partially accommodated in the groove 3023, so that the space utilization rate is improved, and the structure of the box cover 30 is more compact and beautiful after the installation and fixation.

The cover body 302 is provided with a third through hole 3024, the wire holder 20 is provided with a second screw hole 201, a second fixing screw 50 is screwed in the second screw hole 201 after passing through the third through hole 3024, the cover body 302 is connected with the fixing plate 3011 through the flexible rotating shaft 301, the fixing plate 3011 is fixed on the mounting plate 10, the flexible rotating shaft 301 is turned over, the cover body 302 is screwed on the wire holder 20 again, the cover body 302 is fixed, and therefore the installation and fixation of the cover 30 are achieved.

It should be noted that when the two ends of the box cover 30 are folded around the position where the wall thickness of the flexible rotary piece 3012 is the smallest, elastic deformation occurs, and the elastic deformation of the flexible rotary piece 3012 is recovered when the force application is stopped. When the fixing plate 3011 is fixed on the mounting plate 10 and the cover 302 is screwed to the wire holder 20, the fastening force during the screw installation can assist the flexible rotating shaft 301 to turn over and maintain the elastic deformation state.

It will be appreciated that in other embodiments of the present invention, the cover 302 and the mounting plate 10 may be secured by a snap fit or the like.

In some embodiments, the cover 302 is provided with a counter bore 3025, the counter bore 3025 communicates with the third through hole 3024, and when the fixing screw 60 is screwed into the second screw hole 201 after passing through the third through hole 3024, the fixing screw 60 is sunk into the counter bore 3025, which is an attractive assembly.

In some embodiments, a surface of the cover 302 facing away from the wire holder is provided with a sunken groove 3026, which is located on a surface of the cover 302 facing away from the mounting plate 10, and a side wall of the sunken groove 3026 is provided with a holding groove (not shown) to facilitate the cover 30 to be held by hand during assembly, thereby facilitating the mounting operation.

In the embodiment of the present invention, the junction box 1 includes a mounting plate 10, a wire holder 20 and a box cover 30, the box cover 30 includes a flexible rotating shaft 301 and a cover body 302, and one end of the flexible rotating shaft 301 is connected with one end of the cover body 302. During installation, the wire holder 20 is fixed on the mounting plate 10, the other end of the flexible rotating shaft 301 is fixed on the mounting plate 10, the flexible rotating shaft 301 is turned over by using the elastic bending performance of the flexible rotating shaft 301, the cover body 302 can be opened or closed relative to the mounting plate 10 and the wire holder 20, and finally the cover body 302 is fixed on the mounting plate 10, so that the cover body 302 is fixed and installed. Compared with a rigid rotating shaft mode, the embodiment of the utility model only needs one part, reduces the assembly among the parts, improves the assembly property, and reduces the number of the parts, thereby reducing the number of moulds and reducing the production cost.

It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which are provided as additional limitations to the present invention and to provide a more thorough understanding of the present disclosure. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the utility model as defined by the appended claims.

Claims

1. A junction box, comprising:

the mounting plate is provided with a mounting opening;

the wire holder is arranged at the mounting opening;

the lid, including lid and flexible pivot, the one end of lid with the one end of flexible pivot is connected, the other end of flexible pivot with the mounting panel is fixed, the lid is provided with accepting groove and intercommunication the opening of accepting groove the lid is located during the mounting panel, the connection terminal part accept in the accepting groove, and the connection terminal exposes in the opening.

2. The junction box according to claim 1, wherein the flexible rotating shaft includes a fixed plate and a flexible rotating piece, the fixed plate is connected to one end of the flexible rotating piece, the other end of the flexible rotating piece is fixed to the cover, and the flexible rotating piece has elastic deformation performance.

3. The terminal box of claim 2, wherein an outer surface of one end of the cover is recessed toward the receiving groove to form a recess, and the fixing plate portion is received in the recess.

4. The junction box of claim 2,

the mounting panel is provided with first through-hole, the fixed plate is provided with the second through-hole, flexible rotating shaft still includes fixing bolt and nut, fixing bolt passes the fixed plate with the mounting panel, with the nut cooperation.

5. The junction box of claim 2, wherein the wall thickness of the flexible rotating blade decreases from the two ends to the middle.

6. The junction box of claim 2, wherein the cover is provided with a third through hole, the wire holder is provided with a screw hole, and the junction box further comprises a fixing screw which is screwed into the screw hole after passing through the third through hole.

7. The junction box of claim 6, wherein the cover is provided with a counter bore, the counter bore is communicated with the third through hole, and the fixing screw is sunk into the counter bore when the fixing screw is screwed to the screw hole after passing through the third through hole.

8. The junction box of claim 1, wherein a surface of the cover body facing away from the mounting plate is provided with a sink groove, and a side wall of the sink groove is provided with a grip groove.

9. The junction box of any of claims 2-8, wherein said flexible sheet is polypropylene.

10. A welding machine comprising a terminal block according to any one of claims 1-9.