CN218160120U

CN218160120U - Arc extinguishing conductive knife with strong conductivity

Info

Publication number: CN218160120U
Application number: CN202222178013.0U
Authority: CN
Inventors: 蔡志威
Original assignee: Quanzhou Yeshulun Machinery Co ltd
Current assignee: Quanzhou Yeshulun Machinery Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-27
Anticipated expiration: 2032-08-18

Abstract

The utility model relates to an arc extinguishing conductive knife that electric conductivity is strong, include the cutter body and establish the supplementary conductive component on the cutter body, supplementary conductive component presss from both sides, pressure spring and shell fragment including the installation, the installation clamp is established cutter body side and two chuck clamps thereof are established on the both sides face of cutter body, two a pair of pressure spring is installed to the symmetry on the lateral wall that carries on the back mutually of chuck, and the end of every pressure spring all is connected with a shell fragment, two the upper end of shell fragment is kept away from each other and the lower extreme of the two is close to each other. The utility model discloses an arc extinguishing conductive knife that conductivity is strong can guarantee that the contact is good, improves conductivity.

Description

Arc extinguishing conductive knife with strong conductivity

Technical Field

The utility model relates to a switch equipment technical field especially relates to an arc extinguishing conduction sword that conducting capacity is strong.

Background

The utility model relates to a switch, it is one of power equipment hand switch, alias switch blade, generally the multi-purpose low-voltage electricity that has, has the branch of single-phase switch and three-phase switch, has various specifications according to the difference of using, generally all marks voltage and electric current, wherein involve arc extinguishing switch, and current arc extinguishing switch knife has a short service life, and the leading cause is that electrically conductive clamp is not hard up, and electrically conductive sword and electrically conductive clamp can not effective contact department, lead to the switch contact failure, and the conductivity descends.

SUMMERY OF THE UTILITY MODEL

For overcoming the technical defect that prior art exists, the utility model provides a conductive sword of going out arc that conducting capacity is strong, it can guarantee to contact well, improves the conducting capacity.

The utility model discloses a technical solution be: the arc-extinguishing conductive knife with high conductivity comprises a knife body and an auxiliary conductive assembly arranged on the knife body, wherein the auxiliary conductive assembly comprises an installation clamp, a pressure spring and a spring plate, the installation clamp is arranged at the side end of the knife body, two chucks of the installation clamp are arranged on the two side faces of the knife body, a pair of pressure springs are symmetrically arranged on the outer side walls, which are opposite to each other, of the chucks, the tail end of each pressure spring is connected with one spring plate, and the upper ends of the two spring plates are mutually far away and the lower ends of the two spring plates are mutually close.

Preferably, a plurality of tooth grooves are symmetrically formed in two side surfaces of the cutter body, and the tail ends of the two clamping heads of the mounting clamp are arranged in the two opposite tooth grooves.

Preferably, an assembly through hole is formed in one end of the cutter body, and an insulating handle is mounted at the other end of the cutter body.

Preferably, the mounting clip is a U-shaped part with an opening facing downwards, the two arms of the U-shaped part are two of the clamping heads, and the tips of the two arms of the two U-shaped parts are inclined and close to each other.

Preferably, the upper end of cutter body is connected with the anticreep pole, set up the bar through-hole of vertical extension on two arms of U type spare, wear to establish in two bar through-holes at the both ends of anticreep pole.

Preferably, the lower ends of the two elastic sheets are hinged to corresponding positions of the mounting clamp, and the pressure spring is connected to the upper end of the corresponding elastic sheet.

The beneficial effects of the utility model reside in that: the utility model discloses an arc extinguishing conducting knife that conductivity is strong is equipped with supplementary conductive component on its cutter body, supplementary conductive component includes that the installation presss from both sides, pressure spring and shell fragment, and when two clamping piece clamp forces that press from both sides when the electrically conductive of switch weaken, will install the clamp and adjust downwards, when cutter body and electrically conductive clamp closed, two shell fragments closely laminate with two clamping pieces under the effect of corresponding pressure spring elasticity, guarantee that the switch contact is good.

Drawings

Fig. 1 is a schematic structural view of the arc extinguishing conducting knife with strong conducting capacity of the utility model.

Fig. 2 isbase:Sub>A cross-sectional view of the view of fig. 1 taken along the directionbase:Sub>A-base:Sub>A.

Fig. 3 is a reference diagram of the arc extinguishing conducting knife with strong conducting capacity of the utility model.

Description of the reference numerals: 1. a cutter body; 101. assembling the through hole; 102. an insulated handle; 103. an anti-drop rod; 104. a tooth socket; 2. an auxiliary conductive component; 201. a U-shaped member; 2011. a strip-shaped through hole; 202. a spring plate; 203. and (5) pressing a spring.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 3, the present embodiment provides an arc extinguishing conductive knife with strong conductivity, which includes a knife body 1 and an auxiliary conductive component 2 disposed on the knife body 1, where the auxiliary conductive component 2 includes a mounting clip, a compression spring 203 and an elastic sheet 202, the mounting clip is disposed at a side end of the knife body 1, two cartridges of the mounting clip are disposed on two side surfaces of the knife body 1, a pair of compression springs 203 are symmetrically disposed on outer side walls of the two cartridges, which are opposite to each other, a tail end of each compression spring 203 is connected to one elastic sheet 202, upper ends of the two elastic sheets 202 are away from each other, and lower ends of the two elastic sheets are close to each other, preferably, an assembly through hole 101 is disposed at one end of the knife body 1, and an insulating handle 102 is disposed at the other end of the knife body 1.

In this embodiment, a plurality of tooth sockets 104 are symmetrically disposed on two side surfaces of the cutter body 1, the ends of two chucks of the mounting clip are disposed in two opposite tooth sockets 104, the elastic sheet 202 can be effectively contacted with the conductive clip by adjusting the position of the mounting clip, and the tooth sockets 104 ensure stable position of the mounting clip.

In this embodiment, the mounting clip is a U-shaped member 201 with a downward opening, the two arms of the U-shaped member 201 are two of the chucks, the tips of the two arms of the two U-shaped members 201 are inclined to each other, and the tips of the two arms of the two U-shaped members 201 are clamped in the tooth grooves 104 corresponding to the cutter body 1.

In this embodiment, the upper end of the cutter body 1 is connected with the anti-disengaging rod 103, two arms of the U-shaped part 201 are provided with vertically extending strip-shaped through holes 2011, and two ends of the anti-disengaging rod 103 are arranged in the two strip-shaped through holes 2011 in a penetrating manner.

In this embodiment, the lower ends of the two elastic pieces 202 are hinged to the corresponding positions of the mounting clip, the pressure spring 203 is connected to the upper end of the corresponding elastic piece 202, when the cutter body 1 gradually approaches the conductive clip, the pressure of the elastic piece 202 on the conductive clip gradually increases, when the cutter body 1 moves between the two clamping pieces of the conductive clip, the elastic piece 202 tightly abuts against the two clamping pieces of the conductive clip, and under the action of the pressure generated by the deformation of the pressure spring 203 and the elastic force generated by the slight deformation of the elastic piece 202, the elastic piece 202 is in close contact with the clamping pieces of the conductive clip.

The supplementary conductive component 2 on the cutter body 1 of the strong conductivity arcing conductive knife of this embodiment can effectively guarantee the conductivity of opening the light, and when two clamping piece clamp forces of the conductive clamp of switch weaken, will install and press from both sides down regulation, and when cutter body 1 and conductive clamp closed, two shell fragments 202 closely laminated with two clamping pieces under the effect of the spring force that corresponds pressure spring 203, guarantee that the switch contact is good.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and the advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, but is described in the foregoing embodiments and drawings only for the purpose of illustrating the principles of the invention and, without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents, there are also provided various changes and modifications within the scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The arc extinguishing conducting knife with strong conducting capacity is characterized in that: the auxiliary conductive assembly comprises a cutter body and an auxiliary conductive assembly arranged on the cutter body, wherein the auxiliary conductive assembly comprises an installation clamp, a pressure spring and an elastic sheet, the installation clamp is arranged at the side end of the cutter body, two chucks of the cutter body are arranged on two side faces of the cutter body in a clamping manner, a pair of pressure springs are symmetrically arranged on the outer side walls, which are opposite to each other, of the chucks, the tail end of each pressure spring is connected with one elastic sheet, and the upper ends of the two elastic sheets are mutually far away and the lower ends of the two elastic sheets are mutually close to each other.

2. The arc extinguishing conductive knife with high conductivity according to claim 1, wherein: a plurality of tooth grooves are symmetrically formed in two side faces of the cutter body, and the tail ends of the two chucks of the mounting clamp are arranged in the two opposite tooth grooves.

3. The arc extinguishing conductive knife with strong conductivity according to claim 1, wherein: an assembly through hole is formed in one end of the cutter body, and an insulating handle is mounted at the other end of the cutter body.

4. The arc extinguishing conductive knife with high conductivity according to claim 1, wherein: the mounting clamp is a U-shaped part with a downward opening, the two arms of the U-shaped part are two clamping heads, and the ends of the two arms of the U-shaped part are inclined and close to each other.

5. The arc extinguishing conductive knife with high conductivity according to claim 4, wherein: the upper end of cutter body is connected with the anticreep pole, set up the bar through-hole of vertical extension on two arms of U type spare, wear to establish in two bar through-holes at the both ends of anticreep pole.

6. The arc extinguishing conductive knife with strong conductivity according to claim 1, wherein: the lower ends of the two elastic sheets are hinged to corresponding positions of the mounting clamp, and the pressure springs are connected to the upper ends of the corresponding elastic sheets.