CN219513521U

CN219513521U - Combined busbar clamp for sheath

Info

Publication number: CN219513521U
Application number: CN202320332098.5U
Authority: CN
Inventors: 潘新风; 易华南
Original assignee: Shanghai Chengxing Electric Technology Co ltd
Current assignee: Shanghai Chengxing Electric Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-11
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a combined sheath busbar clamp which comprises a metal busbar clamp framework part and an insulating busbar clamp part, wherein the busbar clamp part is connected to the busbar clamp framework part, and a convex-concave structure for clamping a busbar is arranged on the inner side of the busbar clamp part. The inner side of the row clamp framework part is provided with clamping grooves at intervals, and the bus clamping part is clamped in the clamping grooves. The row clamp framework comprises a first row clamp framework and a second row clamp framework, the bus clamping part comprises a first bus clamping part and a second bus clamping part, and the convex-concave structure of the first bus clamping part and the convex-concave structure of the second bus clamping part are combined to clamp the bus. The clamp part of the contact bus bar is set to be an insulating material through the combined bus bar clamp, so that the short-time current-tolerant electrical performance of the clamp is improved, a connecting piece between the clamp and the cabinet body and the insulating clamp is set to be a metal and high-strength splicing framework, and the problem that the traditional bus bar clamp is easy to damage under the condition of not changing an installation space is solved.

Description

Combined busbar clamp for sheath

Technical Field

The utility model relates to the technical field of copper bar fixing devices, in particular to a combined type sheath busbar clamp.

Background

The bus bar of the low-voltage power distribution cabinet often generates huge electromotive force when the electricity fails, so that the bus bar of the fixing device is damaged, even the power distribution cabinet is damaged, and therefore, the design of the bus bar clamp is very important in the overall design of the low-voltage power distribution cabinet. Through searching, in the existing low-voltage complete switch equipment, most of the low-voltage complete switch equipment adopts DMC or SMC materials to design bus bar clamps, and has the following defects:

because the size of the cabinet body is limited and the phase interval is smaller, the electric power is easy to be overlarge, the stress of the fixing device is larger, the existing DMC or SMC material is used for bus bar clamping, the strength is lower, the bearing capacity is lower, and the fixing device is easy to damage; if the mutual distances are pulled apart, the cabinet body is oversized, so that the cost of the power distribution cabinet is increased.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a combined sheath busbar clamp which comprises a metal busbar clamp framework part and an insulating busbar clamp part, wherein the busbar clamp part is connected to the busbar clamp framework part, and a convex-concave structure for clamping a busbar is arranged on the inner side of the busbar clamp part.

Preferably, the inner side of the row clamp framework part is provided with clamping grooves at intervals, and the bus clamping part is clamped in the clamping grooves.

Preferably, the row clamping framework part comprises a first row clamping framework and a second row clamping framework which are long-strip-shaped, the bus clamping part comprises a first bus clamping part and a second bus clamping part, the first bus clamping part is connected with the first row clamping framework, the second bus clamping part is connected with the second row clamping framework, and the convex-concave structure of the first bus clamping part and the convex-concave structure of the second bus clamping part are combined to clamp a bus.

Preferably, a plurality of screw components are uniformly arranged between the first row of clamp frameworks and the second row of clamp frameworks.

Preferably, the row clamp skeleton portion is made of stainless steel.

Preferably, the busbar clamping portion is made of Pa66 material or PC material.

Preferably, the cross-section structure of the row clamp skeleton part is U-shaped, and comprises a hollow accommodating space and skeleton parts on two sides.

Preferably, the connecting side of the bus clamping part comprises an embedded part and an outer cladding part, the embedded part is embedded in the accommodating space of the row clamping framework part, and the outer cladding part is coated on the framework parts on two sides of the row clamping framework part.

Preferably, the screw assembly is sleeved with an insulating sleeve, at least one end part of the screw assembly is sleeved with a positioning bracket, the screw assembly penetrates through the bolt hole of the row clamp framework part to be fixed, and the positioning bracket is arranged in the accommodating space of the row clamp framework part to be positioned.

Compared with the prior art, the utility model has the beneficial effects that:

according to the combined bus bar clamp, the clamp part contacting the bus bar is made of an insulating material, the short-time current-tolerant electrical performance of the clamp is improved, and the connecting piece between the cabinet body and the insulating clamp is made of a metal high-strength splicing framework, so that the problem that the traditional bus bar clamp is easy to damage under the condition of not changing the installation space is solved.

Drawings

Fig. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an enlarged partial schematic view of the portion I in FIG. 2;

in the figure: 1. the clamping frame comprises a clamping frame part 11, a first clamping frame, a second clamping frame 12, 101, clamping grooves 102, a containing space 103, a frame part 2, a bus clamping part 21, a first bus clamping part 22, a second bus clamping part 201, an embedded part 202, an outer coating part 3, a screw rod component 4, an insulating sleeve, 5 and a positioning bracket.

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.

As shown in fig. 1 to 3, a combined sheath busbar clamp comprises a metal busbar clamp skeleton portion 1 and an insulating busbar clamp portion 2, wherein the busbar clamp portion 2 is connected to the busbar clamp skeleton portion 1, and a convex-concave structure for clamping a busbar is arranged on the inner side of the busbar clamp portion 2. According to the embodiment, the clamp part contacting the bus bar is arranged to be an insulating material through the combined bus bar clamp, so that the short-time current-tolerant electrical performance of the clamp is improved, the connecting piece between the clamp and the cabinet body and the insulating clamp is arranged to be a metal high-strength splicing framework, and the problem that the traditional bus bar clamp is easy to damage under the condition that the installation space is not changed is solved

In other embodiments, the clip frame 1 is made of stainless steel, and specifically is formed by bending a steel plate. The inner side of the row clamp framework part 1 is provided with clamping grooves 101 at intervals, the bus clamping part 2 is made of PA66, and the bus clamping part 2 is clamped in the clamping grooves 101. The row clamp skeleton part 1 comprises a first row clamp skeleton 11 and a second row clamp skeleton 12 which are in a strip shape, the bus clamping part 2 comprises a first bus clamping part 21 and a second bus clamping part 22, the first bus clamping part 21 is connected with the first row clamp skeleton 11, the second bus clamping part 22 is connected with the second row clamp skeleton 12, and the convex-concave structure of the first bus clamping part 21 and the convex-concave structure of the second bus clamping part 22 are combined to clamp buses. The cross-section structure of the row clamp skeleton part 1 is U-shaped and comprises a hollow accommodating space 102 and skeleton parts 103 on two sides. The connecting side of the bus bar clamping part 2 comprises an embedded part 201 and an outer cladding part 202, the embedded part 201 is embedded in the accommodating space 102 of the row clamping skeleton part 1, and the outer cladding part 202 is coated on the skeleton parts 103 on two sides of the row clamping skeleton part 1. A plurality of screw assemblies 3 are uniformly arranged between the first row of clamp frameworks 11 and the second row of clamp frameworks 12. The screw assembly 3 is sleeved with the insulating sleeve 4, one end part of the screw assembly is sleeved with the positioning support 5, the positioning support 5 is arranged in the accommodating space 102 of the row clamp framework part 1 for positioning, the screw assembly 3 penetrates through the bolt hole of the row clamp framework part 1, and two ends of the screw assembly are fixed through the flat gasket, the spring gasket and the hexagonal nut.

According to the technical scheme of the existing low-voltage power distribution cabinet, under the condition that the size is unchanged, the metal steel plate is bent, the PA66 is used as an insulating material, the universal stainless steel bolt is fixed up and down, the universal stainless steel bolt is clamped, the universal stainless steel bolt is assembled by adopting a combined scheme, the mechanical strength is high, the universal stainless steel bolt cannot break, and the high-strength short-time withstand current is met.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a female clamp of arranging of combination formula sheath which characterized in that: the bus clamping device comprises a bus clamping framework part made of metal and a bus clamping part made of insulating material, wherein the bus clamping part is connected with the bus clamping framework part, and a convex-concave structure for clamping a bus row is arranged on the inner side of the bus clamping part; the inner side of the row clamp framework part is provided with clamping grooves at intervals, and the bus clamping part is clamped in the clamping grooves; the row clamp framework comprises a first row clamp framework and a second row clamp framework which are long-strip-shaped, the bus clamping part comprises a first bus clamping part and a second bus clamping part, the first bus clamping part is connected with the first row clamp framework, the second bus clamping part is connected with the second row clamp framework, and the convex-concave structure of the first bus clamping part and the convex-concave structure of the second bus clamping part are combined to clamp a bus.

2. A modular jacket busbar clip as set forth in claim 1, wherein: and a plurality of screw rod assemblies are uniformly arranged between the first row of clamp frameworks and the second row of clamp frameworks.

3. A modular jacket busbar clip as set forth in claim 1, wherein: the row clamp framework part is made of stainless steel.

4. A modular jacket busbar clip as set forth in claim 1, wherein: the bus clamping part is made of PA66 material or PC material.

5. A modular jacket busbar clamp as set forth in claim 2, wherein: the cross section structure of the row clamp framework part is U-shaped and comprises a hollow accommodating space and framework parts on two sides.

6. The modular sheathing busbar clip as defined in claim 5, wherein: the connecting side of the bus clamping part comprises an embedded part and an outer cladding part, the embedded part is embedded in the accommodating space of the row clamping framework part, and the outer cladding part is coated on the framework parts on two sides of the row clamping framework part.

7. The modular sheathing busbar clip as defined in claim 6, wherein: the screw assembly is sleeved with an insulating sleeve, at least one end part of the screw assembly is sleeved with a positioning support, the screw assembly penetrates through the bolt hole of the row clamp framework part to be fixed, and the positioning support is arranged in the accommodating space of the row clamp framework part to be positioned.