CN221353188U

CN221353188U - Equipment protective grounding terminal board

Info

Publication number: CN221353188U
Application number: CN202323502250.9U
Authority: CN
Inventors: 杨礼; 王仲
Original assignee: Datang Guizhou Faer Power Generation Co Ltd
Current assignee: Datang Guizhou Faer Power Generation Co Ltd
Priority date: 2023-12-21
Filing date: 2023-12-21
Publication date: 2024-07-16
Anticipated expiration: 2033-12-21

Abstract

The utility model belongs to the technical field of electric grounding, in particular to a protective grounding terminal board of equipment, which comprises an equipment shell, a parallel section fixedly connected to the surface of the equipment shell, a wiring board and a clamping assembly, wherein one surface of the parallel section, which is far away from the equipment shell, is connected with the wiring board through screw threads, the clamping assembly is arranged on the upper surface of the wiring board, the clamping assembly comprises two screws which are symmetrically and rotatably connected to the upper surface of the wiring board, and the surface of the screws is connected with a terminal main body in a sliding manner; the grounding wire with the clamping block and the sliding plate being applicable to different diameters can be utilized, the grounding wire is positioned before being clamped, so that the grounding wire cannot slip and deviate before being clamped, meanwhile, the fixing assembly is added, and the characteristics that the positioning block can limit the dustproof shell can be utilized by utilizing the cooperation of the tension spring and the pull rod.

Description

Equipment protective grounding terminal board

Technical Field

The utility model belongs to the technical field of electrical grounding, and particularly relates to a protective grounding terminal board of equipment.

Background

For modern factory facilities, in order to avoid the condition that the equipment is leaked and hurt people, the exposed conductive part of the equipment is fixed by a grounding terminal board for large-scale equipment, and the large-scale equipment is connected with all zero-potential metal objects which can be simultaneously touched (within 2.5 m);

Through investigation publication (bulletin) number: CN219436174U discloses a protective grounding terminal board for equipment, which discloses in the art that the protective grounding terminal board comprises a terminal board main body, wherein the terminal board main body comprises a pre-buried member and a substrate, the pre-buried member comprises parallel sections and protruding sections, the parallel sections are arranged at two ends of the protruding sections, and the technical scheme is as follows; the novel embedded grounding terminal board has the technical effects of being capable of solving the problems of poor structural stability, short service life, inconvenient use and the like of the existing embedded grounding terminal board;

However, when the grounding terminal clamps the grounding wire, the grounding wire is mostly in a cylindrical structure, but the device has no structure capable of limiting the grounding wire, so that the clamping position of the grounding wire is deviated when the grounding wire is clamped, and the connection is unstable;

in order to solve the above problems, the present application proposes an apparatus protective grounding terminal block.

Disclosure of utility model

To solve the problems set forth in the background art. The utility model provides a protective grounding terminal board of equipment, which has the characteristics that the grounding terminal board can be positioned before clamping a grounding wire, so that the grounding wire cannot slip and deviate before clamping.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the equipment protective grounding terminal board comprises an equipment shell, a parallel section fixedly connected to the surface of the equipment shell, a wiring board and a clamping assembly, wherein one surface of the parallel section, which is far away from the equipment shell, is connected with the wiring board through bolt threads;

The clamping assembly comprises two screws which are symmetrically and rotationally connected to the upper surface of the wiring board, the surfaces of the screws are slidably connected with a terminal main body, threaded plates are connected to the surfaces of the screws in a threaded mode, the threaded plates are attached to the upper surface of the terminal main body, two supporting blocks are symmetrically arranged on two sides of each screw, two clamping blocks are symmetrically arranged on the upper surface of each supporting block, two sliding plates are symmetrically inserted in the clamping blocks, the sliding plates are attached to each other, four springs are arranged in the clamping blocks, limiting grooves are formed in the two ends of each spring respectively, limiting rods are inserted in the limiting grooves, the limiting rods are slidably connected with the sliding plates, and connecting wires are inserted between the two clamping blocks.

As the protective grounding terminal board of the equipment, two clamping blocks are preferably horizontally arranged on the upper surface of the supporting block in parallel, arc-shaped grooves penetrating through the surface are formed in each clamping block, and the two arc-shaped grooves of two adjacent symmetrical clamping blocks are symmetrical to each other.

As the equipment protective grounding terminal board, the connecting wires are preferably arranged on the surface of each symmetrically arranged sliding plate, two ends of the limiting rod are inserted into the two symmetrically arranged connecting wires, and the limiting rod is of an I-shaped structure.

As an equipment protective grounding terminal board, preferably, two clamping plates are symmetrically and fixedly connected to one surface of each clamping block, which faces the connecting line, of each arc-shaped groove, and corrugated grooves are formed in the adjacent surfaces of the two clamping plates.

As an equipment protective grounding terminal board, the upper surface of the wiring board is preferably provided with a dustproof shell, and a plurality of heat dissipation holes are symmetrically formed in two sides of the dustproof shell.

Preferably, the protective grounding terminal board for equipment of the utility model further comprises a fixing component arranged on the surface of the wiring board;

The fixed subassembly includes fixed connection the inside locating plate of equipment casing, the constant head tank has been seted up to the upper surface of wiring board the locating plate inserts the inside of establishing the constant head tank, the spout has been seted up to the inside of wiring board, the inside sliding connection of spout has the pull rod, the inside of spout is provided with the extension spring, the both ends of extension spring respectively with the pull rod with wiring board fixed connection, the fixed surface of pull rod is connected with the locating piece, the locating piece passes through the constant head tank inserts and establishes the inside of locating plate.

Preferably, the positioning block is of an L-shaped structure.

Compared with the prior art, the utility model has the beneficial effects that: the clamping assembly is added to the utility model, so that the clamping blocks and the sliding plates can be used for grounding wires with different diameters, the grounding wires are positioned before being clamped, so that the grounding wires cannot slip and deviate before being clamped, and meanwhile, the fixing assembly is added, and the characteristics that the positioning blocks can limit the dustproof shell can be utilized by the cooperation of the tension springs and the pull rods.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the flighting and the screw of the present utility model;

FIG. 3 is a schematic vertical cross-sectional elevation of the dust-proof housing of the present utility model;

FIG. 4 is a schematic view of the vertical cross section of the clamping block of the present utility model;

FIG. 5 is a schematic view of the structure of the clamping block and clamping plate of the present utility model;

FIG. 6 is a schematic view of the structure of the clamping block and the supporting block according to the present utility model;

FIG. 7 is an enlarged view of the utility model at A in FIG. 3;

FIG. 8 is an enlarged view of the utility model at B in FIG. 4;

In the figure:

1. An equipment housing; 11. parallel sections; 12. a wiring board; 13. a bolt;

2. A clamping assembly; 21. a dust-proof case; 22. a limit groove; 23. a connecting wire; 24. a thread plate; 25. a screw; 26. a terminal body; 27. clamping blocks; 28. a limit rod; 29. a support block; 210. a clamping plate; 211. a slide plate; 212. a spring; 213. a heat radiation hole;

3. A fixing assembly; 31. a positioning plate; 32. a positioning groove; 33. a positioning block; 34. a pull rod; 35. a tension spring; 36. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 8;

The equipment protective grounding terminal board comprises an equipment shell 1 and a parallel section 11 fixedly connected to the surface of the equipment shell 1, wherein one surface of the parallel section 11, which is far away from the equipment shell 1, is connected with a wiring board 12 through bolts 13 in a threaded manner;

In this embodiment: through investigation publication (bulletin) number: CN219436174U discloses a protective grounding terminal board for equipment, but this kind of grounding terminal is when carrying out the centre gripping to the earth connection, because the earth connection is mostly cylindrical structure, and the device does not have the structure that can be spacing to it, can lead to this kind of centre gripping mode to make the position of earth connection centre gripping deviate to some extent when the centre gripping, can lead to the connection infirm, in order to solve this technical problem, adds clamping assembly 2 and fixed subassembly 3 on this basis.

Further, the method comprises the following steps:

as shown in fig. 1 to 8;

in combination with the above:

In order to prevent the ground wire from slipping and shifting when clamping the ground wire, the equipment protects the ground terminal board, and further comprises a clamping component 2 arranged on the upper surface of the wiring board 12;

The clamping assembly 2 comprises two symmetrical screws 25 which are rotationally connected to the upper surface of the wiring board 12, the surfaces of the screws 25 are slidably connected with a terminal main body 26, the surfaces of the screws 25 are in threaded connection with threaded plates 24, the threaded plates 24 are attached to the upper surface of the terminal main body 26, two supporting blocks 29 are symmetrically arranged on two sides of each screw 25, two clamping blocks 27 are symmetrically inserted into the upper surface of each supporting block 29, two sliding plates 211 are symmetrically arranged in each clamping block 27, the sliding plates 211 are attached to each other, four springs 212 are respectively arranged in each clamping block 27, two ends of each spring 212 are respectively provided with a clamping block 27 and a sliding plate 211 which are fixedly connected, limiting grooves 22 are respectively formed in each sliding plate 211, limiting rods 28 are respectively inserted into the limiting grooves 22, connecting wires 23 are respectively inserted between the two clamping blocks 27, the two clamping blocks 27 are horizontally arranged on the upper surface of each supporting block 29 in parallel, arc grooves penetrating the surfaces are respectively formed in the inner parts of each clamping block 27, and the two arc grooves of two adjacent clamping blocks 27 are symmetrically arranged.

In this embodiment: when the electric grounding is needed to be conducted on equipment, the wiring board 12 is connected to the surface of the parallel section 11 through the bolts 13 in a threaded mode, the two clamping blocks 27 which are arranged vertically symmetrically are applied with force, the clamping blocks 27 above are pulled upwards, the sliding plate 211 inserted into the clamping blocks 27 can slide in the two limiting grooves 22 until two ends of the limiting rod 28 limit the two clamping blocks 27, then the connecting wire 23 is placed in the clamping blocks 27 which are symmetrical in the two curved surface grooves, then the two clamping blocks 27 are combined, the limiting rod 28 can slide back in the two limiting grooves 22, then when connecting wires 23 are inserted into the clamping blocks 27, the terminal main body 26 is sleeved on the surface of the screw rod 25, the bottom surface of the screw rod 25 is mutually attached to the upper surface of the clamping blocks 27, then the threaded plate 24 is connected to the upper surface of the screw rod 25 in a threaded mode, the threaded plate 24 is rotated, the threaded plate 24 moves downwards along the lines formed in the screw rod 25, the two clamping blocks 27 can be mutually closed, the mutually attached sliding plates 211 can slide in the two clamping blocks 27, the connecting wires are mounted in the clamping blocks 27, and the two clamping blocks 27 are compressed in the clamping blocks 23, and the two clamping blocks 23 are difficult to achieve friction-free of being connected to achieve.

Still further, the method comprises:

In an alternative embodiment, the limiting grooves 22 are formed on the surface of each symmetrically arranged sliding plate 211, two ends of the limiting rod 28 are inserted into two symmetrically formed connecting wires 23, and the limiting rod 28 is in an I-shaped structure.

In this embodiment: the two clamping blocks 27 which are vertically symmetrically arranged are applied with force, so that the clamping block 27 above is pulled upwards, and the sliding plate 211 inserted into the clamping block 27 slides in the two limiting grooves 22 until the two clamping blocks 27 are limited by the two ends of the limiting rod 28.

It should be noted that: the limiting rod 28 is arranged, so that the clamping blocks 27 can clamp connecting wires 23 with different diameters, and the fault tolerance rate is higher.

Still further, the method comprises:

In an alternative embodiment, two clamping plates 210 are fixedly connected to the two symmetrical clamping blocks 27, which face the connecting line 23, and the adjacent faces of the two clamping plates 210 are provided with corrugated grooves.

In this embodiment: the two clamping plates 210 move along with the opening of the clamping blocks 27, the lines on the surfaces of the two clamping plates 210 increase friction to the connecting wire 23, and the connecting wire 23 is difficult to pull out

Still further, the method comprises:

In an alternative embodiment, the upper surface of the wiring board 12 is provided with a dust-proof shell 21, and two sides of the dust-proof shell 21 are symmetrically provided with a plurality of heat dissipation holes 213.

In this embodiment: when the apparatus is operated, heat energy generated from the ground wire is dissipated through the heat dissipation hole 213.

Still further, the method comprises:

In an alternative embodiment, the fixing assembly 3 is further arranged on the surface of the wiring board 12;

The fixed subassembly 3 includes fixed connection at the inside locating plate 31 of equipment housing 1, the constant head tank 32 locating plate 31 has been seted up to the upper surface of wiring board 12 inserts the inside of establishing at the constant head tank 32, spout 36 has been seted up to the inside of wiring board 12, the inside sliding connection of spout 36 has pull rod 34, the inside of spout 36 is provided with extension spring 35, the both ends of extension spring 35 respectively with pull rod 34 and wiring board 12 fixed connection, the fixed surface of pull rod 34 is connected with locating piece 33, locating piece 33 inserts the inside of establishing at locating plate 31 through the constant head tank 32, locating piece 33 is L type structure.

In this embodiment: pulling the pull rod 34 away from the wiring board 12, the tension spring 35 connected with the pull rod 34 will be pulled, the positioning block 33 connected with the pull rod 34 will be pulled out from the inside of the positioning groove 32, then the dustproof shell 21 is buckled on the upper surface of the wiring board 12, the positioning plate 31 connected with the dustproof shell 21 will be inserted into the inside of the positioning groove 32, then the pull rod 34 is loosened, the tension spring 35 will pull the pull rod 34 back due to elastic potential energy, and the positioning block 33 connected with the pull rod 34 will be inserted into the inside of the positioning plate 31 through the positioning groove 32, so that the limit of the dustproof shell 21 is realized.

The working principle and the using flow of the utility model are as follows: when the equipment needs to be electrically grounded, the wiring board 12 is connected to the surface of the parallel section 11 through the bolts 13 in a threaded manner, the two clamping blocks 27 which are symmetrically arranged up and down are applied with force, the clamping blocks 27 above are pulled upwards, the sliding plate 211 inserted into the clamping blocks 27 slides in the two limiting grooves 22 until the two clamping blocks 27 are limited at the two ends of the limiting rod 28, then the connecting wire 23 is placed in the clamping blocks 27 which are symmetrically arranged in the two curved surface grooves, then the two clamping blocks 27 are combined, the limiting rod 28 slides back in the two limiting grooves 22, then when the connecting wire 23 is inserted into each clamping block 27, the terminal main body 26 is sleeved on the surface of the screw rod 25, the bottom surface of the screw rod 25 is mutually attached to the upper surface of the clamping block 27, then the threaded plate 24 is connected to the upper surface of the screw rod 25 in a threaded manner, the threaded plate 24 is rotated, the thread plate 24 moves downwards along the lines formed by the screw rods 25, the two clamping blocks 27 are mutually closed, the mutually attached sliding plates 211 slide in the clamping blocks 27, the springs 212 arranged in the clamping blocks 27 are compressed until the two clamping blocks 27 clamp the connecting line 23 through the thread plate 24, friction on the connecting line 23 is increased by the lines formed on the surfaces of the two clamping plates 210, the connecting line 23 is difficult to pull out, the limit of the connecting line 23 is realized, then the pull rod 34 is pulled in a direction far away from the connecting plate 12, the tension spring 35 connected with the pull rod 34 is pulled, the positioning block 33 connected with the pull rod 34 is pulled out of the positioning groove 32, then the dustproof shell 21 is buckled on the upper surface of the connecting plate 12, the positioning plate 31 connected with the dustproof shell 21 is inserted into the positioning groove 32, then the pull rod 34 is loosened, the tension spring 35 pulls the pull rod 34 back due to elastic potential energy, the positioning block 33 connected with the pull rod 34 can be inserted into the positioning plate 31 through the positioning groove 32, so that the dust-proof shell 21 is limited, and when the equipment operates, heat energy generated by the grounding wire can be dissipated through the heat dissipation holes 213.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a equipment protection ground terminal board, is in including equipment casing (1) and fixed connection parallel section (11) on equipment casing (1) surface, parallel section (11) are kept away from the one side of equipment casing (1) is through bolt (13) threaded connection there is wiring board (12), its characterized in that: the clamping assembly (2) is arranged on the upper surface of the wiring board (12);

Clamping component (2) are in including two symmetry swivelling joint two screw rods (25) of wiring board (12) upper surface, the surface sliding connection of screw rod (25) has terminal main part (26), the surface threaded connection of screw rod (25) has screw plate (24), screw plate (24) laminating is in the upper surface of terminal main part (26), every the bilateral symmetry of screw rod (25) is provided with two supporting shoe (29), every the upper surface of supporting shoe (29) all is provided with two clamp blocks (27), every the inside symmetry of clamp block (27) is inserted and is equipped with two slide (211), and every symmetry sets up slide (211) laminating each other, every the inside of clamp block (27) all installs four springs (212), the both ends of spring (212) have respectively clamp block (27) with slide (211) fixed connection, every limit groove (22) have all been seted up to the inside of slide (211), the inside of limit groove (22) is equipped with two connecting rods (28), be equipped with clamp block (27) and two slide connection lines (23).

2. The equipment protective ground terminal block of claim 1, wherein: the two clamping blocks (27) are horizontally arranged on the upper surface of the supporting block (29) in parallel, arc-shaped grooves penetrating through the surfaces are formed in the clamping blocks (27), and the two arc-shaped grooves of the two adjacent symmetrical clamping blocks (27) are symmetrical to each other.

3. The equipment protective ground terminal block of claim 1, wherein: the limiting grooves (22) are formed in the surfaces of the sliding plates (211) which are symmetrically arranged, two ends of the limiting rods (28) are inserted into the connecting wires (23) which are symmetrically formed in a penetrating mode, and the limiting rods (28) are of an I-shaped structure.

4. The equipment protective ground terminal block of claim 1, wherein: two clamping blocks (27) with two arc grooves symmetrical to each other are symmetrically and fixedly connected with two clamping plates (210) towards one surface of the connecting line (23), and corrugated grooves are formed in the adjacent surfaces of the two clamping plates (210).

5. The equipment protective ground terminal block of claim 1, wherein: the upper surface of wiring board (12) is provided with dustproof shell (21), a plurality of louvre (213) have been seted up to the bilateral symmetry of dustproof shell (21).

6. The equipment protective ground terminal block of claim 1, wherein: the fixing assembly (3) is arranged on the surface of the wiring board (12);

The utility model provides a fixed subassembly (3) is including fixed connection be in inside locating plate (31) of equipment housing (1), constant head tank (32) have been seted up to the upper surface of wiring board (12) locating plate (31) are inserted and are established the inside of constant head tank (32), spout (36) have been seted up to the inside of wiring board (12), the inside sliding connection of spout (36) has pull rod (34), the inside of spout (36) is provided with extension spring (35), the both ends of extension spring (35) respectively with pull rod (34) with wiring board (12) fixed connection, the fixed surface of pull rod (34) is connected with locating piece (33), locating piece (33) are passed through constant head tank (32) are inserted and are established the inside of locating plate (31).

7. The equipment protective ground terminal block of claim 6, wherein: the positioning block (33) is of an L-shaped structure.