CN215772407U - Electric junction box and welding machine - Google Patents
Electric junction box and welding machine Download PDFInfo
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- CN215772407U CN215772407U CN202121773501.5U CN202121773501U CN215772407U CN 215772407 U CN215772407 U CN 215772407U CN 202121773501 U CN202121773501 U CN 202121773501U CN 215772407 U CN215772407 U CN 215772407U
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Abstract
The embodiment of the utility model relates to the technical field of welding machine accessories and discloses an electric junction box and a welding machine. The method comprises the following steps: a fixed seat provided with a containing groove; the cover shell is rotatably connected with the fixed seat and is used for opening or closing the notch of the accommodating groove; one end of the electric connecting piece is accommodated in the accommodating groove, and the other end of the electric connecting piece is arranged outside the fixed seat; the elastic piece is respectively connected with the fixed seat and the housing and is used for providing elastic force to drive the housing to rotate relative to the fixed seat; the locking piece is used for locking the housing on the fixed seat and unlocking the housing, and when the housing is locked on the fixed seat, the housing closes the notch of the accommodating groove; when the cover is unlocked, the cover opens the notch of the containing groove under the action of the elastic force of the elastic piece. By the arrangement, the cover shell is connected with the fixed seat in the dismounting process of the electric junction box, and the situation that the overall assembling efficiency of the welding machine is not high due to the fact that the dismounted cover shell is mounted on the fixed seat again is improved.
Description
Technical Field
The utility model relates to the technical field of welding machine accessories, in particular to an electric junction box and a welding machine.
Background
The welder is an electric appliance providing power supply with certain characteristics for welding, and the working principle of the welder is that the welding material on a welding rod and the welded material are melted by using high-voltage electric arc generated by instantaneous short circuit caused by short circuit of positive and negative poles of the power supply. The welding machine can be divided into an alternating current welding machine and a direct current welding machine according to different output power types, and the input power of the alternating current welding machine or the direct current welding machine can be two-phase or three-phase alternating current.
The terminal box is a common wiring device in the welding machine, and in the process of wiring an input power supply of the welding machine, an input power supply line is generally connected to the terminal box firstly, then the input power supply line is connected to an air switch through the terminal box, and the opening and closing of an internal circuit of the welding machine can be controlled through the air switch. The air switch is used as a power switch of the welding machine, so that the air switch can perform overload protection on an internal circuit of the welding machine, and automatically trip to realize the power-off function.
Existing junction boxes typically include a housing, a mounting base, and an electrical connector. The welded power line is electrically connected with one end of the electric connector, and the other end of the electric connector is exposed in the mounting space between the housing and the fixed seat so as to be electrically connected with the input power line.
In the process of implementing the utility model, the inventor finds that: the housing is required to be detached from the fixing seat during wiring of the junction box, and the junction box is mounted on the fixing seat after the input power line is connected. In the operation step, the detached housing is mounted on the fixed seat again, so that a certain time is spent, the operation time is increased during production and assembly of the welding machine, and the overall assembly efficiency of the welding machine is not high.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a junction box and a welding machine, and aims to solve the technical problem that the overall assembly efficiency of the welding machine is low due to the fact that a disassembled cover is mounted on a fixed seat again.
The technical problem to be mainly solved by the embodiments of the present invention is to provide an electrical junction box including: a fixed seat provided with a containing groove; the cover is rotatably connected to the fixed seat and used for opening or closing the notch of the accommodating groove; one end of the electric connecting piece is accommodated in the accommodating groove, and the other end of the electric connecting piece is arranged outside the fixed seat; the elastic piece is respectively connected with the fixed seat and the housing and is used for providing elastic force to drive the housing to rotate relative to the fixed seat; the locking piece is used for locking the cover shell on the fixed seat and unlocking the cover shell, and when the cover shell is locked on the fixed seat, the cover shell closes the notch of the accommodating groove; when the cover is unlocked, the cover opens the notch of the accommodating groove under the action of the elastic force of the elastic piece.
In some optional embodiments, the casing is provided with a through hole, and the through hole penetrates through the casing; the fixed seat is provided with a threaded hole; the locking piece includes nut and screw rod, the nut connect in the tip of screw rod one end, the nut butt in the through-hole, the outer fringe of screw rod is formed with the screw thread, the screw thread be used for with the screw hole spiro union.
In some optional embodiments, the screw thread is formed by extending from the other end of the screw rod towards one end of the screw rod, and the length of the screw thread is smaller than that of the screw rod along the axial direction of the screw rod.
In some optional embodiments, the screw is provided with a threaded portion having a cross-sectional area larger than that of the through hole in a direction perpendicular to the axis of the screw.
In some optional embodiments, a groove wall of the accommodating groove is provided with a first notch, and the first notch is communicated with a notch of the accommodating groove; the housing is provided with a second notch; when the cover closes the notch of the accommodating groove, the second notch and the first notch jointly form a wiring channel for accommodating the lead.
In some optional embodiments, a pressing plate extends from the surface of the housing facing the fixing seat, and the pressing plate is provided with a boss; the groove wall of the containing groove is provided with a groove, when the cover shell seals the notch of the containing groove, the boss is inserted into the groove and is abutted against the side wall of the groove.
In some optional embodiments, the cover casing is provided with a first connecting part provided with a first shaft hole; the fixed seat is provided with a second connecting part, and the second connecting part is provided with a second shaft hole; the electric junction box also comprises a pin shaft, and the pin shaft penetrates through the first shaft hole and is inserted into the second shaft hole so that the cover casing can rotate around the pin shaft relative to the fixed seat; wherein, the elastic component is arranged on the pin shaft in a penetrating way.
In some optional embodiments, the number of the first connecting portions is two, the second connecting portion is located between the two first connecting portions, and the pin sequentially passes through a first shaft hole and a second shaft hole of one first connecting portion and is inserted into a second shaft hole of the other first connecting portion, so that the cover shell rotates around the pin relative to the fixing seat.
In some optional embodiments, the elastic member includes a first abutting portion, a second abutting portion, and a revolving portion, the revolving portion is disposed through the pin, the first abutting portion is disposed in a first tangential direction of the revolving portion, and the first abutting portion is connected to the housing; the second abutting portion is arranged in a second tangential direction of the rotating portion and connected to the fixed seat, and the first tangential direction is different from the second tangential direction.
In order to solve the above technical problem, another technical solution adopted by the embodiment of the present invention is: there is provided a welding machine including the electrical junction box as described above.
The beneficial effects of the embodiment of the utility model are as follows: different from the situation of the prior art, the electric junction box and the welding machine provided by the embodiment of the utility model have the advantages that when the locking piece locks the housing on the fixed seat, the housing is subjected to the elastic force of the elastic piece and the locking force of the locking piece to achieve the force balance, and the notch of the accommodating groove is covered by the housing; when the locking piece unlocks the housing, the housing can rotate under the action of the elastic force of the elastic piece, and then the notch of the accommodating groove is opened. By the arrangement, the cover shell is connected with the fixed seat in the dismounting process of the electric junction box, and the situation that the overall assembling efficiency of the welding machine is not high due to the fact that the dismounted cover shell is mounted on the fixed seat again is improved.
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 a schematic structural view of an electrical junction box according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the electrical junction box shown in FIG. 1;
fig. 3 is a schematic view of the structure of an elastic member in the electrical junction box shown in fig. 1.
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 should be noted that when an element is referred to as being "fixed to" or "affixed 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," "inner," "outer," 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.
Furthermore, the technical features mentioned in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.
In the present embodiment, the application of the electrical junction box to a welding machine is exemplified. Specifically, an electrical junction box is mounted on a housing of a welder, and a power supply line and an input power supply line of the welder are fixed and electrically connected to electrical connectors of the electrical junction box. Wherein, the power cord of the welding machine is electrically connected with the electric connector of the electric junction box through the air switch. It is to be understood that the electrical junction box in the present embodiment is not limited thereto, and may be applied to other electrical equipment than a welder.
Referring to fig. 1 and 2, the electrical junction box includes a holder 20, a cover 10, an electrical connector 30, an elastic member 40, and a locking member 50. The fixing base 20 is provided with a containing groove 21 b; the cover 10 is rotatably connected to the fixing base 20, and the cover 10 is used for opening or closing the notch of the accommodating groove 21 b; one end of the electrical connector 30 is accommodated in the accommodating groove 21b, and the other end of the electrical connector 30 is arranged outside the fixed base 20; the elastic member 40 is respectively connected to the fixing base 20 and the housing 10, and the elastic member 40 is used for providing elastic force to drive the housing 10 to rotate relative to the fixing base 20; the locking member 50 is used to lock the cover 10 to the fixing base 20 and unlock the cover 10.
If the electrical junction box is wired to meet the power supply requirement of the welding machine, when the locking piece 50 locks the cover 10 to the fixing seat 20, the cover 10 is subjected to the elastic force of the elastic piece 40 and the locking force of the locking piece 50 to achieve the force balance, and the notch of the accommodating groove 21b is covered by the cover 10; when the locking member 50 unlocks the housing 10, the housing 10 is rotated by the elastic force of the elastic member 40, and the notch of the receiving groove 21b is opened. With the arrangement, the cover 10 is connected with the fixed seat 20 in the dismounting process of the electric junction box, so that the situation that the overall assembling efficiency of the welding machine is not high due to the fact that the dismounted cover 10 is mounted on the fixed seat 20 again is improved.
Next, a description will be given of specific structures of the holder 20, the cover 10, the electric connector 30, the elastic member 40, and the locking member 50 in sequence.
For the fixing base 20, the fixing base 20 is a mounting and supporting structure for the above components. Specifically, the fixing base 20 includes a fixing base main body 21 and a second connecting portion 22, and the second connecting portion 22 is disposed on the fixing base main body 21 and integrally formed with the fixing base main body 21. Preferably, the second connecting portion 22 is disposed on the top of the fixing base main body 21. Wherein the holder body 21 is used for mounting the electrical connector 30 and for connecting the locking member 50, and the second connecting portion 22 is used for rotatably connecting with the housing 10.
It should be noted that the top of the holder main body 21 in the present embodiment means an end of the holder main body 21 in a direction parallel to the mounting surface of the welder when the electrical junction box is mounted to the welder. The bottom of the holder main body 21 corresponds to the top of the holder main body 21, and means that the electrical junction box is mounted to the other end of the holder main body 21 in a direction parallel to the mounting surface of the welder. Next, specific configurations of the fixing base main body 21 and the second connecting portion 22 will be described in order.
For the above-mentioned fixing seat main body 21, the fixing seat main body 21 is substantially in a rounded rectangular shape, the fixing seat main body 21 is provided with a through hole 21a penetrating through the structure thereof, and the through hole 21a is used for a fastening member to pass through so that the fastening member can fix the fixing seat main body 21 to the shell of the welding machine. In the embodiment, the number of the through holes 21a is four for example, and the four through holes 21a are respectively disposed around the fixing base body 21.
The fixing base body 21 further has an accommodating groove 21b, the bottom of the accommodating groove 21b is provided with an accommodating groove 21c, the notch of the accommodating groove 21c is communicated with the bottom of the accommodating groove 21b, and the accommodating groove 21c is used for installing the power supply connector 30. The groove wall of the accommodating groove 21b close to the bottom of the fixing base body 21 is provided with a first notch 21d, and the first notch 21d is used for an input power line to pass through so as to realize the electrical connection between the input power line and the electrical connector 30. In the embodiment, taking the three-phase junction box as an example, the number of the receiving grooves 21c is three, and the three receiving grooves 21c are disposed on the fixing base body 21 at equal intervals. It can be understood that the number of the receiving grooves 21c can be adaptively adjusted according to actual use requirements. For example, in some other embodiments, the type of the terminal box is a two-phase terminal box, and correspondingly, the number of the receiving grooves 21c may also be two.
Further, the fixing base body 21 is further provided with a thread 53 hole 21e, and the thread 53 hole 21e is used for connecting the locking member 50. Preferably, the screw 53 hole 21e extends through the holder body 21. In the present embodiment, the number of the screw 53 holes 21e is two for example, and the two screw 53 holes 21e are respectively disposed on two opposite sides of the first notch 21 d.
As for the aforementioned second connecting portion 22, the second connecting portion 22 is provided with a second shaft hole (not shown) therethrough. In the present embodiment, the number of the second connection portions 22 is two, and the two second connection portions 22 are arranged at intervals on the top of the electrical junction box and are on the same axis, and the axis is perpendicular to the mounting surface of the welding machine.
With the above-described case 10, the case 10 includes the case main body 11 and the first connection portion 12. The first connecting portion 12 is disposed on the housing main body 11 and is integrally formed with the housing main body 11. Preferably, the first connection portion 12 is disposed at the top of the cover main body 11. The first connecting portion 12 can be connected to the second connecting portion 22, so that the cover body 11 can rotate around the axis relative to the fixing base body 21. When the housing main body 11 rotates to the first preset position, the housing main body 11 completely covers the notch of the accommodating groove 21b, that is, closes the notch of the accommodating groove 21 b; when the cover main body 11 rotates to the second predetermined position, the notch of the receiving groove 21b is completely opened, that is, the notch of the receiving groove 21b is opened.
It should be noted that the first predetermined position in this embodiment is a position where the housing main body 11 is located when the housing main body 11 covers the notch of the receiving groove 21b and is locked by the locking member 50. The second predetermined position is a position where the cover body 11 is located when the cover body 11 is opened by the elastic force of the elastic member 40 and is equal to the gravity of the cover body 11. Next, specific configurations of the cover main body 11 and the second connecting portion 22 will be explained in order.
For the housing body 11, the shape of the housing body 11 matches the shape of the fixing seat body 21, a second notch is provided at the bottom of the housing body 11, and when the housing 10 closes the notch of the accommodating groove 21b, the second notch and the first notch 21d jointly form a wiring channel for accommodating a wire.
Further, the cover main body 11 is also provided with a through hole 11b therethrough. Preferably, the cross-sectional area of the end of the through hole 11b away from the housing main body 11 is smaller than the cross-sectional area of the end of the through hole 11b close to the housing main body 11. In the embodiment, the number of the through holes 11b is two for example, the two through holes 11b are respectively disposed on two opposite sides of the second notch, and one through hole 11b is disposed coaxially with one of the holes 21e of the thread 53.
With the aforementioned first connecting portion 12, the first connecting portion 12 is provided with a first shaft hole (not shown) therethrough. The number of the first connection portions 12 is exemplified in the present embodiment. The first connecting portion 12 is disposed between the two second connecting portions 22.
In order to realize the rotatable connection between the cover body 11 and the fixing base body 21, the electrical junction box further includes a pin 60, and the pin 60 passes through the second shaft hole of the second connecting portion 22 and the first shaft hole of one first connecting portion 12 and is inserted and fixed in the second shaft hole of the other second connecting portion 22. It is understood that the number of the second connecting portions 22 can be adjusted according to the actual use situation, for example, in other embodiments, the number of the second connecting portions 22 is only one, and the pin 60 can be inserted and fixed in the first shaft hole of the first connecting portion 12 through the second shaft hole of the second connecting portion 22, or the pin 60 can be inserted and fixed in the second shaft hole of the second connecting portion 22 through the first shaft hole of the first connecting portion 12.
For the electrical connector 30, the electrical connector 30 and the fixing base 20 are mounted on the fixing base 20 by an integral molding process, and preferably, the electrical connector 30 and the fixing base 20 are fixedly molded by an ilmd (I n-Mo l d Decorat I on, coating-free technology). Specifically, one end of the electrical connector 30 is exposed in the receiving groove 21c, and the other end of the electrical connector 30 is disposed outside the body of the fixing base 20. In the embodiment, the number of the electrical connecting members 30 is three for example, one end of one electrical connecting member 30 is exposed in one receiving groove 21c, and the other end of the electrical connecting member 30 is disposed outside the body of the fixing base 20.
Referring to fig. 3, the elastic member 40 includes a first abutting portion 41, a second abutting portion 42, and a rotating portion 43. The first contact portion 41 is provided in a first tangential direction of the turning portion 43, and the second contact portion 42 is provided in a second tangential direction of the turning portion 43, the first tangential direction and the second tangential direction being different. The rotating portion 43 is disposed through a portion of the pin 60 exposed between the first connecting portion 12 and the second connecting portion 22, the first abutting portion 41 abuts against the housing body 11, and the second abutting portion 42 is fixed to the fixing base body 21 in an inserting manner. Preferably, the elastic member 40 is a torsion spring.
When the cover body 11 is rotated to the first predetermined position, the elastic member 40 is in an elastically contracted state, and thus the notch of the receiving groove 21b is closed against the force applied to the cover 10 by the elastic member 40.
For the locking member 50, the locking member 50 includes a nut 51 and a screw 52. The nut 51 is coupled to an end of one end of the screw 52, and a thread 53 is formed on an outer periphery of the screw 52. When the housing body 11 is rotated to the first predetermined position, the screw 52 can be screwed into the hole 21e of the thread 53 by screwing the locking member 50, so that the nut 51 abuts against the through hole 11 b. Preferably, the nut 51 is received in the through hole 11b at an end away from the outer side of the housing body 11. If the housing body 11 needs to be rotated from the first predetermined position to the second predetermined position, the locking member 50 can be screwed to withdraw the screw 52 from the hole 21e of the thread 53, and the housing body 11 can be rotated to the second predetermined position by the elastic force of the elastic member 40.
Further, the thread 53 is formed extending from the other end of the screw 52 toward one end of the screw 52, and the length of the thread 53 is smaller than the length of the screw 52 in the axial direction of the screw 52. With this arrangement, a portion of the screw 52, on which the thread 53 is not provided, can have a small frictional force with the inner wall surface of the through-hole 11b, so that the thread 53 can be screwed with the screw hole more easily. Further, in the direction perpendicular to the axis of the screw 52, the screw 52 is provided with the thread 53, and the cross-sectional area of the thread 53 is larger than that of the through-hole 11 b. With this arrangement, the portion of the screw 52 with the thread 53 can abut against the end of the through hole 11b away from the outside of the housing 10, in other words, the portion of the screw 52 with the thread 53 is not easily separated from the through hole 11 b. When the housing body 11 rotates to the first preset position, the through hole 11b is aligned with the screw hole, and the locking member 50 can be directly screwed to lock the housing body 11 to the fixing seat body 21; when the housing body 11 is rotated to the second predetermined position, since the portion of the screw 52 having the thread 53 abuts against the end of the through hole 11b away from the outside of the housing 10, the locking member 50 can be effectively prevented from being lost after being withdrawn from the screw hole.
In order to lock the cover body 11 to the fixing seat body 21, optionally, a resisting plate 13 extends from a surface of the cover 10 facing the fixing seat 20, and the resisting plate 13 is provided with a boss 131. The groove wall of the housing groove 21b corresponding to the boss 131 is provided with a recessed groove 21 f. When the cover body 11 rotates to the first preset position, the boss 131 is inserted into the groove 21f, and the boss 131 is used for abutting against the side wall of the groove 21 f. With this arrangement, when the locking member 50 is not screwed to lock the housing body 11 to the fixing base body 21, the housing body 11 is subjected to the elastic force and the clamping force of the boss 131 to achieve a two-force balanced state, and the through hole 11b is aligned with the screw hole, so that the locking member 50 can be screwed more easily. When the housing body 11 rotates from the first preset position to the second preset position, the housing body 11 can be shifted to separate the boss 131 from the groove 21f, and the rotation of the housing body 11 can be realized.
Based on the same technical concept, the present embodiment also provides a welding machine including the electrical junction box in any of the above embodiments. For the detailed description of the electrical junction box, please refer to the above embodiments, which are not repeated herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An electrical junction box characterized by comprising:
a fixed seat provided with a containing groove;
the cover is rotatably connected to the fixed seat and used for opening or closing the notch of the accommodating groove;
one end of the electric connecting piece is accommodated in the accommodating groove, and the other end of the electric connecting piece is arranged outside the fixed seat;
the elastic piece is respectively connected with the fixed seat and the housing and is used for providing elastic force to drive the housing to rotate relative to the fixed seat; and
a locking member for locking the housing to the fixing base and unlocking the housing, the housing closing the notch of the receiving groove when the housing is locked to the fixing base; when the cover is unlocked, the cover opens the notch of the accommodating groove under the action of the elastic force of the elastic piece.
2. The electrical junction box according to claim 1,
the housing is provided with a through hole which penetrates through the housing; the fixed seat is provided with a threaded hole;
the locking piece includes nut and screw rod, the nut connect in the tip of screw rod one end, the nut butt in the through-hole, the outer fringe of screw rod is formed with the screw thread, the screw thread be used for with the screw hole spiro union.
3. The electrical junction box according to claim 2,
the screw thread is formed by extending from the other end of the screw rod to one end of the screw rod, and the length of the screw thread is smaller than that of the screw rod along the axis direction of the screw rod.
4. The electrical junction box according to claim 3,
the cross-sectional area of the threaded portion of the screw is larger than that of the through hole along the direction perpendicular to the axis of the screw.
5. The electrical junction box according to claim 1,
a first notch is formed in the wall of the accommodating groove and communicated with the notch of the accommodating groove; the housing is provided with a second notch;
when the cover closes the notch of the accommodating groove, the second notch and the first notch jointly form a wiring channel for accommodating the lead.
6. The electrical junction box according to claim 1,
the surface of the housing facing the fixed seat extends to form a butting plate, and the butting plate is provided with a boss;
the groove wall of the containing groove is provided with a groove, when the cover shell seals the notch of the containing groove, the boss is inserted into the groove and is abutted against the side wall of the groove.
7. The electrical junction box according to claim 1,
the housing is provided with a first connecting part, and the first connecting part is provided with a first shaft hole;
the fixed seat is provided with a second connecting part, and the second connecting part is provided with a second shaft hole;
the electric junction box also comprises a pin shaft, and the pin shaft penetrates through the first shaft hole and is inserted into the second shaft hole so that the cover casing can rotate around the pin shaft relative to the fixed seat;
wherein, the elastic component is arranged on the pin shaft in a penetrating way.
8. The electrical junction box according to claim 7,
the number of the first connecting portions is two, the second connecting portions are located between the two first connecting portions, and the pin shaft sequentially penetrates through a first shaft hole and a second shaft hole of one first connecting portion and is inserted into a second shaft hole of the other first connecting portion, so that the cover shell rotates around the pin shaft relative to the fixed seat.
9. The electrical junction box according to claim 7,
the elastic piece comprises a first abutting part, a second abutting part and a rotary part, the rotary part is arranged on the pin shaft in a penetrating mode, the first abutting part is arranged in the first tangent direction of the rotary part, and the first abutting part is connected to the housing; the second abutting portion is arranged in a second tangential direction of the rotating portion and connected to the fixed seat, and the first tangential direction is different from the second tangential direction.
10. A welding machine comprising an electrical junction box according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121773501.5U CN215772407U (en) | 2021-07-30 | 2021-07-30 | Electric junction box and welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121773501.5U CN215772407U (en) | 2021-07-30 | 2021-07-30 | Electric junction box and welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215772407U true CN215772407U (en) | 2022-02-08 |
Family
ID=80108816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121773501.5U Active CN215772407U (en) | 2021-07-30 | 2021-07-30 | Electric junction box and welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215772407U (en) |
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2021
- 2021-07-30 CN CN202121773501.5U patent/CN215772407U/en active Active
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