CN218005539U

CN218005539U - Electric box with grounding connector

Info

Publication number: CN218005539U
Application number: CN202221715721.7U
Authority: CN
Inventors: 马奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-12-09
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses an electronic box with a grounding connector, which comprises a door plate, a lock assembly and a grounding connector, wherein the grounding connector is provided with a lock connecting hole and at least one grounding installation sheet; compared with the prior art, the utility model discloses an electronic box with ground connection connector carries out ground protection through the mode that the screw punctures the coating on door plant surface, compares with current ground protection mode, reduces the expense and the material expense of welding the screw on the door plant, has reduced and has connected dedicated electric wire expense, has reduced at door plant surface spraying coating in-process to screw protection expense, reduce and connect the labour cost with door plant and tool to lock subassembly with the electric wire to make the door plant whole pleasing to the eye succinct.

Description

Electric box with grounding connector

Technical Field

The utility model relates to a block terminal technical field specifically, relates to an electronic box with ground connection connector.

Background

10.5.2 "continuity of effective ground between exposed conductive part of plant and protection circuit" and CQC certification in national standard GB7251.1-2013 records one of 5 test points at the time of factory inspection: the ground resistance between the main ground and the external locking device should be less than or equal to 100m omega. At present, a layer of insulating protective layer coating is sprayed on the surfaces of distribution boxes and distribution cabinet doors, so that the lockset and the box body are grounded and cannot meet the requirements. The conventional method is that a screw is welded near a lockset on the inner side of an electric cabinet door, then an electric wire with a yellow-green double-color insulating layer is used, and the two ends of the electric wire are connected with proper wire lugs in a pressing mode; the lockset is connected with the screw, so that the national standard requirement can be met. But the method of directly welding the screws firstly protects the screws before spraying the distribution box and the equipment box body of the distribution cabinet, so that the spraying materials are prevented from being attached to the thread surfaces of the screws, otherwise, the difficulty of connecting the nuts and the bolts is increased, complicated work is brought to workers of complete equipment manufacturers, and the working efficiency is low; and meanwhile, the cost of distribution boxes and distribution cabinet equipment manufacturers is increased. Unnecessary waste is caused to national and social nonferrous metals.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic box with ground connection connector, it is used for solving above-mentioned technical problem.

The utility model provides an electronic box with ground connection connector, includes door plant, tool to lock subassembly and ground connection connector, is equipped with tool to lock connecting hole and at least one ground connection installation piece on the ground connection connector, and on the door plant was located to the tool to lock subassembly, the tool to lock connecting hole was connected with the tool to lock subassembly, is equipped with the mounting hole on the ground connection installation piece, and the screw passes the coating on mounting hole with the door plant surface and punctures.

The utility model discloses an electronic box with ground connection connector, ground connection connector include clamp plate, left side board and right side board, and left side board and right side board are parallel to each other, and the clamp plate is the arc, and its both sides are connected with left side board and right side board respectively, and for left side board and right side board arch up upwards after connecting, the center of clamp plate is located to the tool to lock connecting hole, is equipped with at least one ground connection installation piece on the lateral part of left side board or/and right side board.

The utility model discloses an electronic box with ground connection connector, ground connection installation piece are located one side that left side board or right side board are close to the door plant.

The utility model discloses an electronic box with ground connection connector, ground connection installation piece are located one side that the door plant was kept away from to left side board or/and right side board.

The utility model discloses an electronic box with ground connection connector, the clamp plate is for the thickness adaptation of the height and the tool to lock subassembly that left side board and right side board arch up.

The utility model discloses an electronic box with ground connection connector, clamp plate downwardly projected width is less than left side board and right side board downwardly projected length.

The utility model discloses an electronic box with ground connection connector is equipped with on the clamp plate and has seted up two slotted holes, and two slotted holes are for tool to lock connecting hole central symmetry.

The utility model discloses an electronic box with ground connection connector, the limit that clamp plate and left side board and right side board kept away from each other is connected.

The utility model discloses an electric box with grounding connector, the pressing plate, the left side plate and the right side plate are formed by integral punching; the grounding installation sheet and the left side plate and/or the right side plate where the grounding installation sheet is located are integrally formed in a punching mode.

The utility model discloses an electronic box with ground connection connector, tool to lock subassembly include lock core and door handle, and the screw passes the tool to lock connecting hole on the clamp plate with lock core fixed mounting in the inboard of door plant, and the door handle is installed in the outside of door plant and is connected with the lock core.

Compared with the prior art, the utility model discloses an electronic box with ground connection connector has following advantage:

the utility model discloses an electronic box with ground connection connector carries out ground protection through the mode that the coating on screw with the door plant surface punctures, compares with current ground protection mode, reduces the expense and the material expense of welding the screw on the door plant, has reduced and has connected dedicated electric wire expense, has reduced at door plant surface spraying coating in-process to the screw protection expense, has reduced and has connected the labour cost with the electric wire with door plant and tool to lock subassembly to make the whole pleasing to the eye succinct of door plant.

Drawings

Fig. 1 is a front view of the electrical box with the ground connector of the present invention;

fig. 2 is a rear view of the door panel of the electrical box with the ground connector of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2;

fig. 5 is a schematic view of a ground connector having four ground mounting tabs;

fig. 6 is a schematic view of a ground connector having three ground mounting tabs;

fig. 7 is a first structural view of a ground connector having two ground mounting tabs;

fig. 8 is a second construction of a ground connector having two ground mounting tabs;

fig. 9 is a third structural view of a ground connector having two ground mounting tabs;

fig. 10 is a schematic view of a ground connector having a ground mounting tab;

fig. 11 is a cross-sectional view of an electrical box of the present invention with a second ground connector;

in the figure: 1. door plate, 2. Lockset component, 21. Lock core, 22. Door handle, 3. Grounding connector, 3a pressure plate, 3b. Left side plate, 3c. Right side plate, 31. Lockset connecting hole, 32. Grounding mounting plate, 33. Mounting hole, 34. Slotted hole

The utility model discloses realization and advantage of function will combine the embodiment, will make further explanation with reference to the attached drawing.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators (such as up, down, left and right, front and back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of 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 addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified in conjunction with the accompanying drawings as follows:

the first embodiment is as follows:

the utility model discloses an electronic box with ground connection connector just makes the tool to lock subassembly reliably be connected and carry out ground protection with electronic box and door plant when making the tool to lock subassembly be connected with the door plant. Please refer to fig. 1 to 4, the utility model discloses an electronic box with ground connection connector includes door plant 1, tool to lock subassembly 2 and ground connection connector 3, and tool to lock subassembly 2 is located on door plant 1, is equipped with tool to lock connecting hole 31 and at least one ground connection installation piece 32 on the ground connection connector 3, and tool to lock connecting hole 31 is connected with tool to lock subassembly 2, is equipped with mounting hole 33 on the ground connection installation piece 32, and the screw passes mounting hole 33 and will connect the coating puncture on door plant 1 surface. After the lock assembly 2 is installed on the door panel 1, the screw passes through the lock connecting hole 31 on the grounding connector 3 to connect the lock assembly 2 with the grounding connector 3, and then the screw passes through the mounting hole 33 on the grounding mounting plate 32 to pierce the coating on the surface of the door panel 1, so that the lock assembly 2 is reliably connected with the electric box and the door panel 1 and performs grounding protection. The utility model discloses an electronic box with ground connection connector carries out ground protection through the mode that the coating on the screw with 1 surface of door plant punctures, compare with current ground protection mode, reduce the expense and the material cost of welding the screw on door plant 1, reduced and connected dedicated electric wire expense, reduced at 1 surface coating in-process of door plant to the screw protection expense, reduce and connect the labour cost with door plant 1 and tool to lock subassembly 2 with the electric wire to make door plant 1 whole pleasing to the eye succinct.

Please refer to fig. 3 to 10, the utility model discloses an electronic box with ground connection connector, ground connection connector 3 includes clamp plate 3a, left side board 3b and right side board 3c are parallel to each other, clamp plate 3a is the arc, its both sides are connected with left side board 3b and right side board 3c respectively, and after connecting for left side board 3b and right side board 3c upwards hunch-up, the centre of clamp plate 3a is located to tool to lock connecting hole 31, be equipped with at least one ground connection mounting plate 32 on left side board 3b or/and the right side board 3c. Whether the grounding attachment pieces 32 are located on the left side plate 3b or the right side plate 3c or on both the left side plate 3b and the right side plate 3c is determined by the number of the grounding attachment pieces 32. After the lock assembly 2 is connected with the door panel 1, the pressing plate 3a is connected with the lock assembly 2, the screw penetrates through the lock connecting hole 31 to connect the lock assembly 2 with the pressing plate 3a together, meanwhile, the screw penetrates through the mounting hole 33 on the grounding mounting sheet 32 to pierce the coating on the surface of the door panel 1 for grounding protection, the depth of screwing the screw into the door panel 1 can be adjusted according to the actual thickness of the door panel 1, and as long as the screw is ensured to pierce the surface coating of the door panel 1 and to be in contact with the metal door panel 1, one of the continuity of effective grounding between the exposed conductive part of the complete equipment and the protection circuit and the recording of CQC authentication at the time of factory inspection in the national standard GB7251.1-2013 can be realized: the standard requirement that the grounding resistance between the main grounding end and the external lock is less than or equal to 100m omega is met, and whether static electricity is led out and screwed into the door panel 1 can be selected according to the actual use requirement.

Referring to fig. 5-10, in use, the number of the grounding tabs 32 may be one, two, three, and four. Referring to fig. 10, when the number of the ground mounting pieces 32 is one, the ground mounting pieces 32 are disposed at one end of the ground connector 3; as shown in fig. 7 to 9, when the number of the ground mounting pieces 32 is two, the ground mounting pieces 32 may be provided on one side of the ground connector 3, or may be provided on both sides of the ground connector 3, and when two ground mounting pieces 32 are provided on both sides of the ground connector 3, they may be provided on both upper ends of the ground connector 3, both lower ends of the ground connector 3, or one upper end of one side of the ground connector 3; the other is located at the lower end of the ground connector 3; as shown in fig. 6, when the number of the ground mounting pieces 32 is three, two ground mounting pieces 32 are provided on one side of the ground connector 3, and one ground mounting piece 32 is provided on the other side; as shown in fig. 5, when the number of the ground mounting pieces 32 is four, two ground mounting pieces 32 are provided on both sides of the ground connector 3.

The utility model discloses an electronic box with ground connection connector, ground connection installation piece 32 is located one side that left side board 3b or right side board 3c are close to door plant 1. After tool to lock subassembly 2 and door plant 1 are connected, be connected clamp plate 3a with tool to lock subassembly 2, left side board 3b and right side board 3c paste door plant 1 this moment on, ground connection mounting plate 32 also pastes door plant 1 on, the screw passes mounting hole 33 on the ground connection mounting plate 32 and can puncture the coating on door plant 1 surface and contact with the metal level of door plant 1, realizes deriving of static.

The utility model discloses an electronic box with ground connection connector, the height that clamp plate 3a upwards arched for left side board 3b and right side board 3c and tool to lock subassembly 2's thickness adaptation. When ground connector 3 is connected with door plant 1, when left side board 3b and right side board 3c pasted on door plant 1, the part that clamp plate 3a arched just holds tool to lock subassembly 2, when avoiding fixing ground connector 3 with door plant 1, clamp plate 3a damage tool to lock subassembly 2, left side board 3b and right side board 3c pasted on door plant 1 and played the positioning action this moment.

Referring to fig. 5 to 10, in the electric box with the grounding connector of the present invention, the downward projection width of the pressing plate 3a is smaller than the downward projection length of the left side plate 3b and the right side plate 3c. That is, the width of the pressing plate 3a is smaller than the lengths of the left side plate 3b and the right side plate 3c, so that when the grounding connector 3 is connected with the door panel 1, the contact area between the pressing plate 3a and the lock assembly 2 is smaller, and the used material and the molded weight of the grounding connector 3 can be reduced.

Referring to fig. 5 to 10, in the electric box with the grounding connector of the present invention, the pressing plate 3a, the left side plate 3b and the right side plate 3c are integrally formed by stamping, and the grounding mounting plate 32 is integrally formed by stamping with the left side plate 3b and/or the right side plate 3c. In a specific application, the pressing plate 3a is formed by bending one end of the grounding installation sheet 32, which is close to the left side plate 3b and/or the right side plate 3c. The pressing plate 3a is provided with two slotted holes 34, and the two slotted holes 34 are centrosymmetric relative to the lock connecting hole 31, so that the stress of the left side plate 3b and the right side plate 3c formed on the two sides of the pressing plate 3a can be reduced.

Referring to fig. 5 to 10, in the electric box with the ground connector of the present invention, the pressing plate 3a is connected to the side of the left side plate 3b and the side of the right side plate 3c away from each other. Because clamp plate 3a is the arc, the high left side of its both sides is gradually, makes clamp plate 3a and left side board 3b and the limit that right side board 3c kept away from each other be connected, and clamp plate 3a highly is less than tool to lock subassembly 2 and corresponds with left side board 3b and right side board 3c, can not make clamp plate 3a extrude tool to lock subassembly 2 when ground connector 3 is connected with door plant 1. In a specific application, the lock assembly 2 includes a lock cylinder 21 and a door handle 22, a screw passes through a lock connecting hole 31 on the pressing plate 3a to fixedly mount the lock cylinder 21 on the inner side of the door panel 1, and the door handle 22 is mounted on the outer side of the door panel 1 and connected with the lock cylinder 21.

The utility model discloses an electronic box with ground connection connector, the mode of puncturing the coating on door plant 1 surface through the screw realizes that 10.5.2 "the continuity of effective ground connection between complete sets exposes conductive part and the protection circuit" and 5 test points of record of CQC authentication when the factory inspection one of in national standard GB 7251.1-2013: ground resistance between the main grounding end and the external lock should be less than or equal to 100m omega), and effective ground protection is performed, compared with the existing ground protection mode, the cost for welding screws on the door panel 1 and the material cost are reduced, the cost for connecting special electric wires is reduced, the cost for protecting the screws in the process of spraying paint on the surface of the door panel 1 is reduced, the labor cost for connecting the door panel 1 and the lock assembly 2 by using the electric wires is reduced, and the door panel 1 is integrally attractive and concise.

Example two:

please refer to fig. 11, the structure and function of the electric box with a ground connector of the present embodiment are the same as those of the electric box with a ground connector of the first embodiment, except that in the present embodiment, the number of the ground mounting pieces 32 is determined by the number of the ground mounting pieces 32, which is located on the side of the left side plate 3b or/and the right side plate 3c away from the door panel 1, specifically, on the left side plate 3b or the right side plate 3c or on both the left side plate 3b and the right side plate 3c. Please refer to fig. 11, after the pressing plate 3a is connected to the lock assembly 2, the left side plate 3b and the right side plate 3c are tightly attached to the surface of the door panel 1, and the grounding mounting plate 32 is not in contact with the door panel 1, at this time, the screw passes through the mounting hole 33 on the grounding mounting plate 32 to pierce the coating on the surface of the door panel 1 and contact the metal layer of the door panel 1, so as to achieve one of the following 5 test points in the factory inspection of 10.5.2 "continuity of effective grounding between the exposed conductive part of the complete set of equipment and the protection circuit" and CQC certification in the national standard GB 7251.1-2013: and the standard requirement that the grounding resistance between the main grounding end and the external lock is less than or equal to 100m omega is met, so that the static electricity is led out.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but rather as the following description is intended to cover all modifications, equivalents and improvements within the spirit and scope of the present invention.

Claims

1. The utility model provides an electronic box with ground connection connector which characterized in that: including door plant (1), tool to lock subassembly (2) and ground connection connector (3), tool to lock subassembly (2) are installed on door plant (1), be equipped with tool to lock connecting hole (31) and at least one ground connection installation piece (32) on ground connection connector (3), tool to lock connecting hole (31) with tool to lock subassembly (2) pass through screwed connection, be equipped with mounting hole (33) on ground connection installation piece (32), the screw passes mounting hole (33) will the coating on door plant (1) surface punctures.

2. The electrical box with the ground connector according to claim 1, wherein the ground connector (3) comprises a pressing plate (3 a), a left side plate (3 b) and a right side plate (3 c), the left side plate (3 b) and the right side plate (3 c) are parallel to each other, the pressing plate (3 a) is arc-shaped, two sides of the pressing plate are respectively connected with the left side plate (3 b) and the right side plate (3 c), and are arched upwards relative to the left side plate (3 b) and the right side plate (3 c) after being connected, the lock connecting hole (31) is arranged at the center of the pressing plate (3 a), and at least one ground mounting piece (32) is arranged on the side portion of the left side plate (3 b) or/and the right side plate (3 c).

3. The electrical box with ground connector as claimed in claim 2, wherein the ground mounting plate (32) is located on a side of the left side plate (3 b) or/and the right side plate (3 c) close to the door panel (1).

4. The electrical box with ground connector according to claim 2, characterized in that the ground mounting plate (32) is located on the side of the left side plate (3 b) or/and the right side plate (3 c) away from the door panel (1).

5. Electrical box with earth connection according to claim 2, characterized in that the height of the pressure plate (3 a) arched upwards with respect to the left (3 b) and right (3 c) side plates is adapted to the thickness of the lock assembly (2).

6. The electrical box with ground connector according to claim 2, characterized in that the width of the downward projection of the pressure plate (3 a) is smaller than the length of the downward projection of the left side plate (3 b) and the right side plate (3 c).

7. The electrical box with grounding connector as claimed in claim 2, wherein the pressing plate (3 a) is provided with two slots (34), and the two slots (34) are symmetrical with respect to the lock connecting hole (31).

8. Electrical box with earth connection according to claim 2, characterized in that the pressure plate (3 a) is connected to the sides of the left (3 b) and right (3 c) side plates that are remote from each other.

9. The electrical box with ground connector according to claim 2, characterized in that the pressing plate (3 a), the left side plate (3 b) and the right side plate (3 c) are integrally formed by stamping, and the ground mounting plate (32) is integrally formed by stamping with the left side plate (3 b) and/or the right side plate (3 c) where the ground mounting plate is located.

10. The electrical box with ground connector according to claim 2, characterized in that the lock assembly (2) comprises a lock cylinder (21) and a door handle (22), a screw passes through a lock connecting hole (31) on the pressing plate (3 a) to fixedly mount the lock cylinder (21) on the inner side of the door panel (1), and the door handle (22) is mounted on the outer side of the door panel (1) and connected with the lock cylinder (21).