Auxiliary Module of Control and Protection Switching Device

Abstract

The present invention discloses an auxiliary module for a control and protection switch electrical appliance, characterized in that: it includes an upper cover, a base and a contact support, the contact support is movably arranged between the upper cover and the base, one side of the upper cover and the base is detachably provided with a first circuit board through a plurality of first bolts, and the other side is detachably provided with a second circuit board through a plurality of second bolts. A plurality of static contacts are arranged on the first circuit board and the second circuit board, and a moving contact aligned with the static contact is arranged on the contact support. The auxiliary module for the control and protection switch electrical appliance provided by the present invention has a simpler structure, more convenient assembly and better structural stability.

Description

Technical Field

[0001] The present invention relates to the field of low-voltage electrical appliances, and particularly to an auxiliary module for a control and protection switch electrical appliance. Background Art

[0002] Currently, the auxiliary modules for control and protection switch electrical appliances provided on the market generally include a housing and a support plate disposed inside the housing. A first circuit board is provided on one side of the support plate, and a second circuit board is provided on the other side. A first contact support and multiple groups of first static contacts are provided on the first circuit board. A first moving contact aligned with the first static contacts is provided on the first contact support. The first contact support can move up and down on the first circuit board. A second contact support and multiple groups of second static contacts are provided on the second circuit board. A second moving contact aligned with the second static contacts is provided on the second contact support. The second contact support can move up and down on the second circuit board. The above-mentioned auxiliary module for the control and protection switch electrical appliance has a complex structure, a cumbersome assembly process, is not easy to maintain later, and the connection structure between the auxiliary module and the base and the housing has poor stability. Summary of the Invention

[0003] In view of the deficiencies of the background art, the technical problem to be solved by the present invention is to provide an auxiliary module for a control and protection switch electrical appliance with a simpler structure, more convenient assembly, and better structural stability.

[0004] To this end, the present invention is implemented as follows:

[0005] An auxiliary module for a control and protection switch electrical appliance, characterized in that: it includes an upper cover, a base, and a contact support. The contact support is movably disposed between the upper cover and the base. A first circuit board is detachably provided on one side of the upper cover and the base through a plurality of first bolts, and a second circuit board is detachably provided on the other side through a plurality of second bolts. Multiple groups of static contacts are provided on the first circuit board and the second circuit board. A moving contact aligned with the static contacts is provided on the contact support.

[0006] Further, a circular groove is provided at the upper end of the contact support. A column aligned with the circular groove is provided on the upper cover. A spring inserted into the circular groove is sleeved on the column. At least one limiting block is provided on both sides of the contact support. Bar-shaped through holes for the limiting blocks to insert and move are provided on the first circuit board and the second circuit board.

[0007] Further, vertical plates are provided on both sides of the base. Buckles for fastening with the base of the control and protection switch electrical appliance are provided on the outer sides of the vertical plates. An elastic buckle for buckling with the upper housing of the control and protection switch electrical appliance is provided at the upper end of the upper cover.

[0008] Further, a plurality of positioning holes for inserting the base of the control and protection switch electrical appliance are provided at the bottom of the base.

[0009] Further, positioning opening grooves for inserting the housing of the control and protection switch electrical appliance are provided on both sides of the upper cover.

[0010] Further, a first wiring rack and a second wiring rack are provided on the upper cover. The first wiring rack is connected to the first circuit board, the second wiring rack is connected to the second circuit board, and a plurality of wiring ports are provided on both the first wiring rack and the second wiring rack.

[0011] The present invention has the following advantages:

[0012] The contact support is movably arranged between the upper cover and the base. One side of the upper cover and the base is detachably provided with a first circuit board through a plurality of first bolts, and the other side is detachably provided with a second circuit board through a plurality of second bolts. The structure is simpler and the assembly is more convenient, facilitating later maintenance.

[0013] The setting of the circular groove, the upright post and the spring makes the movement of the contact support more stable, and further makes the contact between the static contact and the moving contact more reliable.

[0014] The buckles on the vertical plates on both sides of the base can be buckled with the base of the control and protection switch electrical appliance, and the elastic buckle at the upper end of the upper cover is buckled with the upper shell of the control and protection switch electrical appliance, making the disassembly more convenient.

[0015] A plurality of positioning holes for inserting the base of the control and protection switch electrical appliance are provided at the bottom of the base, making the structural stability of the connection between the auxiliary module of the control and protection switch electrical appliance and the base of the control and protection switch electrical appliance better.

[0016] Positioning opening grooves for inserting the housing of the control and protection switch electrical appliance are provided on both sides of the upper cover, making the structural stability of the connection between the auxiliary module of the control and protection switch electrical appliance and the housing of the control and protection switch electrical appliance better. Description of the Drawings

[0017] The present invention has the following drawings:

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0019] Figure 2 is a three-dimensional structural schematic diagram of another view direction of the present invention;

[0020] Figure 3 is a structural schematic diagram of the present invention with the second circuit board removed;

[0021] Figure 4 is a three-dimensional structural schematic diagram of the present invention connected to the base and the upper shell of the control and protection switch electrical appliance.

[0022] Reference numerals: 1, upper cover; 2, base; 3, contact support; 4, first bolt; 5, first circuit board; 6, second bolt; 7, second circuit board; 8, static contact; 9, moving contact; 10, column; 11, spring; 12, limit block; 13, strip-shaped through hole; 14, vertical plate; 15, buckle; 16, upper housing of the control and protection switch electrical appliance; 17, positioning hole; 18, positioning opening groove; 19, first wiring bracket; 20, second wiring bracket; 21, wiring port; 22, elastic buckle; 23, base of the control and protection switch electrical appliance. Detailed implementation manners

[0023] As shown in the above-mentioned drawings, the auxiliary module of the control and protection switch electrical appliance provided by the present invention includes an upper cover 1, a base 2 and a contact support 3. The contact support 3 is movably arranged between the upper cover 1 and the base 2. One side of the upper cover 1 and the base 2 is detachably provided with a first circuit board 5 through a plurality of first bolts 4, and the other side is detachably provided with a second circuit board 7 through a plurality of second bolts 6. A plurality of groups of static contacts 8 are arranged on the first circuit board 5 and the second circuit board 7. A moving contact 9 aligned with the static contact 8 is arranged on the contact support 3. A circular groove is arranged at the upper end of the contact support 3, and a column 10 aligned with the circular groove is arranged on the upper cover 1. A spring 11 inserted into the circular groove is sleeved on the column 10. At least one limit block 12 is arranged on both sides of the contact support 3. Strip-shaped through holes 13 for the limit block 12 to insert and move are arranged on the first circuit board 5 and the second circuit board 7. Vertical plates 14 are arranged on both sides of the base 2, and buckles 15 buckled with the base 23 of the control and protection switch electrical appliance are arranged on the outer sides of the vertical plates 14. Elastic buckles 22 buckled with the upper housing 16 of the control and protection switch electrical appliance are arranged at the upper end of the upper cover 1. A plurality of positioning holes 17 for the base 23 of the control and protection switch electrical appliance to insert are arranged at the bottom of the base 2. Positioning opening grooves 18 for the housing of the control and protection switch electrical appliance to insert are arranged on both sides of the upper cover 1. A first wiring bracket 19 and a second wiring bracket 20 are arranged on the upper cover 1. The first wiring bracket 19 is connected to the first circuit board 5, and the second wiring bracket 20 is connected to the second circuit board 7. A plurality of wiring ports 21 are arranged on both the first wiring bracket 19 and the second wiring bracket 20.

[0024] In this embodiment, the contact support 3 is movably arranged between the upper cover 1 and the base. On one side of the upper cover 1 and the base 2, a first circuit board 5 is detachably arranged through a plurality of first bolts 4, and on the other side, a second circuit board 7 is detachably arranged through a plurality of second bolts 6. The structure is simpler and the assembly is more convenient, facilitating later maintenance. The settings of the circular groove, the upright post 10 and the spring 11 make the movement of the contact support 3 more stable, and thus the static contact and the moving contact are in more reliable contact. The buckles 15 on the two side vertical plates 14 of the base 2 can be buckled with the base 23 of the control and protection switch electrical appliance, and the elastic buckle 22 at the upper end of the upper cover 1 is buckled with the upper shell 16 of the control and protection switch electrical appliance, making the disassembly more convenient. A plurality of positioning holes 17 for inserting the base 23 of the control and protection switch electrical appliance are arranged at the bottom of the base 2, making the connection structure between the auxiliary module of the control and protection switch electrical appliance and the base 23 of the control and protection switch electrical appliance more stable. Positioning opening grooves 18 for inserting the outer shell of the control and protection switch electrical appliance are arranged on both sides of the upper cover 1, making the connection structure between the auxiliary module of the control and protection switch electrical appliance and the outer shell of the control and protection switch electrical appliance more stable.

[0025] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. Auxiliary module of a control and protection switch electrical appliance, Characterized in that: It includes an upper cover, a base and a contact support. The contact support is movably arranged between the upper cover and the base. One side of the upper cover and the base is detachably provided with a first circuit board through a plurality of first bolts, and the other side is detachably provided with a second circuit board through a plurality of second bolts. A plurality of static contacts are arranged on the first circuit board and the second circuit board. A moving contact aligned with the static contact is arranged on the contact support. A circular groove is arranged at the upper end of the contact support. A column aligned with the circular groove is arranged on the upper cover. A spring inserted into the circular groove is sleeved on the column. At least one limiting block is arranged on both sides of the contact support. Strip-shaped through holes for the limiting block to insert and move are arranged on the first circuit board and the second circuit board. Vertical plates are arranged on both sides of the base. Clasps for buckling with the base of the control and protection switch electrical appliance are arranged on the outer sides of the vertical plates. Elastic buckles for buckling with the upper shell of the control and protection switch electrical appliance are arranged at the upper end of the upper cover. A plurality of positioning holes for the base of the control and protection switch electrical appliance to insert are arranged at the bottom of the base.

2. The auxiliary module of the control and protection switch electrical appliance according to claim 1, Characterized in that: Positioning opening grooves for the shell of the control and protection switch electrical appliance to insert are arranged on both sides of the upper cover.

3. The auxiliary module of the control and protection switch electrical appliance according to claim 1, Characterized in that: A first wiring rack and a second wiring rack are arranged on the upper cover. The first wiring rack is connected to the first circuit board, and the second wiring rack is connected to the second circuit board. A number of wiring ports are arranged on both the first wiring rack and the second wiring rack.

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