阅读说明：本技术 开关柜用一次静触头 (Primary static contact for switch cabinet ) 是由 任少光 任闯 于 2018-06-15 设计创作，主要内容包括：本发明涉及开关柜用一次静触头。该开关柜用一次静触头包括：静触头主体,所述静触头主体的形状为圆筒形,静触头主体的内部中空,一端开口,开口直径为36mm,另一端底部设有圆形通孔,通孔直径为11mm,所述静触头主体的外壁和内壁的粗糙度分别为1.6μm和3.2μm,所述开口端的端面为倒角,所述倒角的圆角半径分别为R1=2mm和R2=5mm,倒角的角度为15°,所述静触头主体底面的厚度为10mm。本发明提供的开关柜用一次静触头,将静触头的前端锥度减小,夹角处弧度增大,使产品与捆簧触头接触时摩擦力减小滑动顺畅,增加产品使用寿命。(The invention relates to a primary static contact for a switch cabinet. This primary static contact for cubical switchboard includes: the static contact comprises a static contact main body, wherein the static contact main body is cylindrical, the inside of the static contact main body is hollow, one end of the static contact main body is open, the diameter of the opening is 36mm, a round through hole is formed in the bottom of the other end of the static contact main body, the diameter of the through hole is 11mm, the roughness of the outer wall and the roughness of the inner wall of the static contact main body are respectively 1.6 mu m and 3.2 mu m, the end face of the open end is a chamfer, the radius of the fillet of the chamfer is respectively R1=2mm and R2=5mm, the angle of the chamfer is 15 degrees. According to the primary static contact for the switch cabinet, the front end taper of the static contact is reduced, the radian of the included angle is increased, the friction force is reduced when a product is in contact with the spring binding contact, the sliding is smooth, and the service life of the product is prolonged.)

1. The primary static contact for the switch cabinet is characterized by comprising: the static contact comprises a static contact main body, wherein the static contact main body is cylindrical, the inside of the static contact main body is hollow, one end of the static contact main body is open, the diameter of the opening is 36mm, a round through hole is formed in the bottom of the other end of the static contact main body, the diameter of the through hole is 11mm, the roughness of the outer wall and the roughness of the inner wall of the static contact main body are respectively 1.6 mu m and 3.2 mu m, the end face of the open end is a chamfer, the radius of the fillet of the chamfer is respectively R1=2mm and R2=5mm, the angle of the chamfer is 15 degrees.

2. The primary static contact for the switch cabinet as claimed in claim 1, wherein the main body material of the static contact is copper.

3. The primary static contact for the switch cabinet as claimed in claim 1, wherein the length of the static contact main body is 82 mm.

Technical Field

The invention relates to accessories of power equipment, in particular to a primary static contact for a switch cabinet.

Background

Disclosure of Invention

Aiming at the defects in the prior art, the primary static contact for the switch cabinet provided by the invention solves the technical problems, and the primary static contact for the switch cabinet is characterized in that the front end taper of the static contact is reduced, the radian of an included angle is increased, the friction force is reduced when a product is contacted with a spring binding contact, the sliding is smooth, and the service life is prolonged.

In order to achieve the purpose, the invention provides the following technical scheme:

the primary static contact for the switch cabinet comprises: the static contact comprises a static contact main body, wherein the static contact main body is cylindrical, the inside of the static contact main body is hollow, one end of the static contact main body is open, the diameter of the opening is 36mm, a round through hole is formed in the bottom of the other end of the static contact main body, the diameter of the through hole is 11mm, the roughness of the outer wall and the roughness of the inner wall of the static contact main body are respectively 1.6 mu m and 3.2 mu m, the end face of the open end is a chamfer, the radius of the fillet of the chamfer is respectively R1=2mm and R2=5mm, the angle of the chamfer is 15 degrees.

And the main body material of the static contact is copper.

Wherein, the length of static contact main part is 82 mm.

The invention has the beneficial effects that: according to the primary static contact for the switch cabinet, the front end taper of the static contact is reduced, the radian of the included angle is increased, the friction force is reduced when a product is in contact with the spring binding contact, the sliding is smooth, and the service life is prolonged.

For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to limit the invention.

Drawings

The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.

Fig. 1 is a schematic structural view of a primary fixed contact for a switch cabinet according to the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Referring to fig. 1, the primary static contact for a switch cabinet includes: the static contact comprises a static contact main body 1, wherein the static contact main body 1 is cylindrical, the inside of the static contact main body 1 is hollow, one end of the static contact main body is open, the diameter of the opening is 36mm, a round through hole is formed in the bottom of the other end of the static contact main body, the diameter of the through hole is 11mm, the roughness of the outer wall and the roughness of the inner wall of the static contact main body 1 are respectively 1.6 μm and 3.2 μm, the end face of the open end is a chamfer 2, the fillet radius of the chamfer 2 is respectively R1=2mm and R2=5mm, the angle of the chamfer 2 is 15 degrees, and the thickness of.

Further, the material of the static contact main body 1 is copper.

Further, the length of the static contact main body 1 is 82 mm.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.