CN215451198U - Contact assembly for electrical equipment - Google Patents
Contact assembly for electrical equipment Download PDFInfo
- Publication number
- CN215451198U CN215451198U CN202121819313.1U CN202121819313U CN215451198U CN 215451198 U CN215451198 U CN 215451198U CN 202121819313 U CN202121819313 U CN 202121819313U CN 215451198 U CN215451198 U CN 215451198U
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- contact
- mounting groove
- fixed block
- static contact
- fastening screw
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Abstract
The utility model relates to a contact assembly for electrical equipment, wherein the center of the upper surface of a fixed block is recessed downwards to form an installation groove, a static contact is fixedly arranged in the fixed block in a penetrating way, the upper end of the static contact is positioned in the mounting groove, the right side surface of one end of the static contact positioned in the mounting groove is provided with a conductive post, the outside of the conductive post is sleeved with a spring, the left end of the conductive post is vertically and fixedly connected with the static contact, the right end of the conductive post is in a round table shape, the diameter of the conductive post is gradually reduced from left to right, a screw hole is arranged at the center of the right side groove wall of the mounting groove, a fastening screw is threaded in the screw hole, the screw head end of the fastening screw is positioned outside the fixed block, the other end of the fastening screw is positioned in the mounting groove through the screw hole and is fixedly connected with an insulating baffle plate, the moving contact is positioned on the left side of the insulating baffle plate, the lower end of the electric pole is positioned in the mounting groove, and the center of the electric pole is provided with a connecting through hole matched with the truncated cone-shaped structure at the right end of the electric pole; the utility model has the advantages of convenient installation and operation and stable and reliable connection.
Description
Technical Field
The utility model belongs to the field of electrical components, and particularly relates to a contact component for electrical equipment.
Background
The electrical contact is a leading electrical contact material widely applied to relays, contactors, load switches, medium and low voltage circuit breakers, and switching appliances such as household appliances and automobile appliances, and the reliability of the electrical contact directly influences the reliable operation of the whole power system; however, when the existing contact assembly is installed, not only is the installation operation troublesome, but also because the connection stability between the fixed contact and the movable contact is poor, in the process of long-time use, the connection between the fixed contact and the movable contact is easy to loosen, so that the electric equipment is easy to have a conductive fault, and the use of the electric equipment is influenced; therefore, in order to solve the above problems, it is necessary to develop a contact assembly for electrical equipment, which is convenient to mount and operate and has a stable and reliable connection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a contact assembly for electrical equipment, which is convenient to install and operate and is stable and reliable in connection.
The purpose of the utility model is realized as follows: a contact assembly for electrical equipment comprises a fixed block, a fixed contact, a moving contact and a fastening screw, wherein the center of the upper surface of the fixed block is recessed downwards to form a mounting groove, the fixed contact is fixedly arranged in the fixed block in a penetrating manner, the upper end of the fixed contact is positioned in the mounting groove, the right side surface of one end of the fixed contact, which is positioned in the mounting groove, is provided with a conductive post, the outer part of the conductive post is sleeved with a spring, the left end of the conductive post is vertically and fixedly connected with the fixed contact, the right end of the conductive post is in a round table shape, the diameter of the conductive post is gradually reduced from left to right, the center of the right side groove wall of the mounting groove is provided with a screw hole, the fastening screw thread is arranged in the screw hole, the screw head end of the fastening screw is positioned outside the fixed block, the other end of the fastening screw is positioned in the mounting groove through the screw hole and is fixedly connected with an insulating baffle, the moving contact is positioned on the left side of the insulating baffle, and the lower end of the insulating baffle is positioned in the mounting groove, and the center is provided with a connecting through hole matched with the circular truncated cone-shaped structure at the right end of the conductive column.
And an elastic washer is sleeved outside one end of the fastening screw, which is positioned outside the fixing block.
And the left side surface of the upper end of the static contact is fixedly connected with the inner wall of the left side of the mounting groove.
The fixed block and the insulating baffle are made of insulating materials, and the fixed contact, the moving contact and the conductive column are made of metal conductive materials.
The utility model has the beneficial effects that: according to the utility model, through arranging the mounting groove, the screw hole, the fixed contact, the movable contact, the fastening screw, the conductive column, the spring, the insulating baffle and the connecting through hole, when the device is used, the lower end of the movable contact is sleeved outside the conductive column through the connecting through hole, then the fastening screw is rotated clockwise, and the fastening screw is connected with the screw hole through the screw thread, so that the fastening screw can be horizontally displaced leftwards while rotating, the insulating baffle can be driven to move by the horizontal displacement of the fastening screw, and the lower end of the movable contact can be moved from right to left by the extrusion effect of the insulating baffle on the movable contact in the displacement process, thereby realizing the tight contact between the truncated cone-shaped structure at the right end of the conductive column and the inner wall of the connecting through hole; by adopting the structure, the convenience of installation and operation between the static contact and the moving contact and the stability of connection in use can be improved, and the problem that the connection between the static contact and the moving contact is loosened to influence the use of electrical equipment is avoided; in summary, the utility model has the advantages of convenient installation and operation and stable and reliable connection.
Drawings
FIG. 1 is a cross-sectional view of a side view of the present invention.
In the figure: 1. the device comprises a fixing block 11, a mounting groove 12, a screw hole 2, a static contact 3, a movable contact 31, a connecting through hole 4, a fastening screw 5, a conductive column 6, a spring 7, an insulating baffle 8 and an elastic washer.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Example (b): as shown in fig. 1, a contact assembly for electrical equipment comprises a fixed block 1, a static contact 2, a movable contact 3 and a fastening screw 4, wherein the center of the upper surface of the fixed block 1 is recessed downwards to form an installation groove 11, the static contact 2 is fixedly arranged inside the fixed block 1, the upper end of the static contact is arranged in the installation groove 11, the right side surface of one end of the static contact 2, which is positioned inside the installation groove 11, is provided with a conductive post 5, the outer part of the conductive post 5 is sleeved with a spring 6, the left end of the conductive post 5 is vertically and fixedly connected with the static contact 2, the right end of the conductive post 5 is in a truncated cone shape, the diameter of the conductive post gradually decreases from left to right, the center of the right side groove wall of the installation groove 11 is provided with a screw hole 12, the fastening screw 4 is arranged in the screw hole 12 in a threaded manner, the screw head end of the fastening screw 4 is positioned outside the fixed block 1, the other end of the fastening screw is positioned in the installation groove 11 through the screw hole 12, and is fixedly connected with an insulating baffle 7, the moving contact 3 is positioned on the left side of the insulating baffle 7, the lower end of the moving contact is positioned in the mounting groove 11, and the center of the moving contact is provided with a connecting through hole 31 matched with the truncated cone-shaped structure at the right end of the conductive column 5.
An elastic washer 8 is sleeved outside one end of the fastening screw 4, which is positioned outside the fixed block 1; the left side surface of the upper end of the static contact 2 is fixedly connected with the inner wall of the left side of the mounting groove 11, and by adopting the structure, the connection between the static contact 2 and the fixed block 1 can be more stable; the fixed block 1 and the insulating baffle 7 are made of insulating materials, and the static contact 2, the moving contact 3 and the conductive column 5 are made of metal conductive materials.
When the movable contact is used, firstly, the lower end of the movable contact 3 is placed in the mounting groove 11, the lower end of the movable contact 3 is sleeved outside the conductive column 5 through the connecting through hole 31, then the fastening screw 4 is rotated clockwise, the fastening screw 4 is connected with the screw hole 12 through the screw thread, the fastening screw 4 can be horizontally displaced to the left while rotating, and the displacement of the fastening screw 4 can drive the insulating baffle 7 to move, so that the lower end of the movable contact 3 can be moved from the right to the left by utilizing the extrusion effect of the insulating baffle 7 on the movable contact 3 in the displacement process, the spring 6 is contracted, and the close contact between the conductive column 5 and the inner wall of the connecting through hole 31 is realized by utilizing the truncated cone-shaped structure at the right end of the conductive column 5; by adopting the structure, the installation operation convenience between the static contact 2 and the moving contact 3 and the connection stability during use can be improved, and the problem that the connection between the static contact and the moving contact is loosened to influence the use of electrical equipment is avoided; moreover, the spring 6 is sleeved on the outer surface of the conductive column 5, the elastic action of the spring 6 is utilized, the safety and convenience of the disassembly operation can be improved when the fastening screw 4 is rotated reversely to disassemble the connection between the static contact 2 and the moving contact 3, and the operation safety can be improved when the fastening screw 4 is rotated to assemble and disassemble the device by arranging the insulating baffle 7 and utilizing the insulativity of the insulating baffle 7; in summary, the utility model has the advantages of convenient installation and operation and stable and reliable connection.
Claims (4)
1. The utility model provides a contact subassembly for electrical equipment, includes fixed block, static contact, moving contact and fastening screw, its characterized in that: the fixed block is characterized in that a mounting groove is formed in the center of the upper surface of the fixed block in a downward sunken mode, the static contact is fixedly arranged in the fixed block in a penetrating mode, the upper end of the static contact is located in the mounting groove, a conductive column is arranged on the right side face of one end, located in the mounting groove, of the static contact, a spring is sleeved outside the conductive column, the left end of the conductive column is fixedly connected with the static contact in a perpendicular mode, the right end of the conductive column is in a round table shape, the diameter of the right end of the static contact is gradually reduced from left to right, a screw hole is formed in the center of the right side groove wall of the mounting groove, a fastening screw thread penetrates through the screw hole, the screw head end of the fastening screw is located outside the fixed block, the other end of the fastening screw is located in the mounting groove through the screw hole, an insulating baffle is fixedly connected with the moving contact, the moving contact is located on the left side of the insulating baffle, the lower end of the moving contact is located in the mounting groove, and the center of the connecting through hole matched with the round table-shaped structure of the conductive column.
2. A contact assembly for electrical equipment as claimed in claim 1, wherein: and an elastic washer is sleeved outside one end of the fastening screw, which is positioned outside the fixing block.
3. A contact assembly for electrical equipment as claimed in claim 1, wherein: and the left side surface of the upper end of the static contact is fixedly connected with the inner wall of the left side of the mounting groove.
4. A contact assembly for electrical equipment as claimed in claim 1, wherein: the fixed block and the insulating baffle are made of insulating materials, and the fixed contact, the moving contact and the conductive column are made of metal conductive materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121819313.1U CN215451198U (en) | 2021-08-05 | 2021-08-05 | Contact assembly for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121819313.1U CN215451198U (en) | 2021-08-05 | 2021-08-05 | Contact assembly for electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215451198U true CN215451198U (en) | 2022-01-07 |
Family
ID=79691756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121819313.1U Active CN215451198U (en) | 2021-08-05 | 2021-08-05 | Contact assembly for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215451198U (en) |
-
2021
- 2021-08-05 CN CN202121819313.1U patent/CN215451198U/en active Active
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| GR01 | Patent grant | ||
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