Switch moving contact group module

Abstract

The utility model discloses a switch moving contact group module, which comprises a moving contact terminal, an insulating colloid and two moving contact assemblies, the insulating colloid is arranged on the moving contact terminal, and the two moving contact assemblies are respectively arranged on the moving contact terminal; the movable contact assembly comprises a movable contact piece, a movable contact point and a torsion spring, the movable contact piece is clamped on the movable contact terminal, the movable contact point is arranged on the movable contact piece, the torsion spring is arranged on the insulating colloid, and the extending end of the torsion spring abuts against the movable contact piece, so that the end, close to the movable contact point, of the movable contact piece is elastically pressed on the movable contact terminal. According to the utility model, the structural design is reasonable, the torsion spring and the movable contact terminal are separated through the arrangement of the insulating colloid, the influence of current on the torsion spring is eliminated, the stability of the switch in use is improved, and the application range of the switch is expanded. The utility model discloses simple structure, simple and convenient to assemble, can realize automatic assembly, has greatly improved product competitiveness.

Description

Technical Field

[0001] The utility model relates to the technical field of electric tool switches, in particular to a moving contact group module of a switch. Background Art

[0002] At present, the driving springs of the moving contact groups in electric tool switches on the market are mostly compression springs or hook springs. The springs of the existing moving contact groups are generally connected to the housing or directly to the moving contact terminals. Since large currents will affect the service life of the springs, the existing moving contact groups cannot carry large currents, resulting in great limitations in the use of the existing moving contact groups. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a moving contact group module of a switch, so as to solve the technical problem that the springs of the existing moving contact groups are generally connected to the housing or directly to the moving contact terminals. Since large currents will affect the service life of the springs, the existing moving contact groups cannot carry large currents, resulting in great limitations in the use of the existing moving contact groups.

[0004] In order to achieve the above purpose, the technical solution of the utility model provides a moving contact group module of a switch, which includes a moving contact terminal, an insulating colloid and two moving contact components. The insulating colloid is arranged on the moving contact terminal, and the two moving contact components are respectively installed on the moving contact terminal;

[0005] In one of the moving contact components, the moving contact component includes a moving contact piece, a moving contact point and a torsion spring. The moving contact piece is clamped on the moving contact terminal, the moving contact point is arranged on the moving contact piece, the torsion spring is arranged on the insulating colloid, and one end of the torsion spring extends and abuts against the moving contact piece, so that one end of the moving contact piece close to the moving contact point is elastically pressed on the moving contact terminal.

[0006] Further, two clamping grooves are formed on the moving contact terminal, and each moving contact piece is respectively clamped in one of the clamping grooves.

[0007] Further, an arc plate is provided at the connection between the moving contact piece and the clamping groove.

[0008] Further, a pressing through hole is formed on the moving contact piece, and one end of the torsion spring extends through the pressing through hole and presses on the moving contact piece.

[0009] Further, an embedding hole is formed on the moving contact terminal, and the insulating colloid is installed in the embedding hole.

[0010] Further, the insulating colloid includes an insulating block and two fixing columns. Elastic installation cavities are symmetrically formed on the insulating block, and the two fixing columns are respectively accommodated in the two elastic installation cavities.

[0011] Furthermore, the body of the torsion spring is sleeved on the fixed post, and one end of the torsion spring extends to abut against the moving contact piece, while the other end of the torsion spring abuts against the inner side wall of the elastic mounting cavity.

[0012] Furthermore, a fixing hole is provided at the position of the moving contact piece close to the moving contact point, and the moving contact point is installed in the fixing hole.

[0013] In summary, by applying the technical solution of the present utility model, the following beneficial effects are achieved: The structure of the present utility model is reasonably designed. Through the arrangement of the insulating colloid, the torsion spring is spaced apart from the moving contact terminal, eliminating the influence of current on the torsion spring, improving the stability of the switch during use and expanding the scope of use of the switch. The structure of the present utility model is simple and easy to assemble, and can achieve automatic assembly, greatly improving the product competitiveness. Description of the Drawings

[0014] Figure 1 is the three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is Figure 1 the enlarged structural schematic diagram at position A of

[0016] Figure 3 is the exploded structural schematic diagram of the present utility model;

[0017] Figure 4 is the structural schematic diagram when the insulating colloid and the moving contact terminal of the present utility model are assembled;

[0018] Figure 5 is Figure 4 the enlarged structural schematic diagram at position B of

[0019] Figure 6 is the front view structural schematic diagram of the present utility model.

[0020] Description of the reference numerals: 1 - moving contact terminal, 101 - clamping groove, 2 - insulating colloid, 201 - insulating block, 202 - fixed post, 3 - moving contact piece, 301 - pressing through hole, 4 - moving contact point, 5 - torsion spring. Detailed Embodiment

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model, but this does not constitute a limitation to the protection scope of the present utility model.

[0022] In the present utility model, for a clearer description, the following is stated: When the observer faces the attached Figure 6Observation is carried out. The left side of the observer is set as left, the right side of the observer is set as right, the front of the observer is set as front, the rear of the observer is set as rear, the upper side of the observer is set as upper, and the lower side of the observer is set as lower. It should be noted that the terms "front end", "rear end", "left side", "right side", "middle part", "upper side", "lower side", etc. in the text indicating the orientation or positional relationship are the orientation or positional relationship set based on the attached drawings, and are only for the convenience of clearly describing the present utility model, rather than indicating or implying that the indicated structure or component must have a specific orientation and be constructed in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", "fourth" are only used for the purpose of clear or simplified description, and cannot be construed as indicating or implying relative importance or quantity.

[0023] See Figures 1 to 6 , this embodiment provides a switch moving contact group module, which includes a moving contact terminal 1, an insulating colloid 2 and two moving contact components. The insulating colloid 2 is arranged on the moving contact terminal 1, and the two moving contact components are respectively installed on the moving contact terminal 1; in one moving contact component, the moving contact component includes a moving contact piece 3, a moving contact point 4 and a torsion spring 5. The moving contact piece 3 is clamped on the moving contact terminal 1, the moving contact point 4 is arranged on the moving contact piece 3, the torsion spring 5 is arranged on the insulating colloid 2, and one end of the torsion spring 5 extending out abuts against the moving contact piece 3, so that one end of the moving contact piece 3 close to the moving contact point 4 is elastically pressed on the moving contact terminal 1. Function: Through the arrangement of the insulating colloid 2 in the present utility model, the torsion spring 5 is spaced apart from the moving contact terminal 1, eliminating the influence of current on the torsion spring 5, improving the stability of the switch in use and expanding the application range of the switch. The structure of the present utility model is simple and the assembly is convenient, and automatic assembly can be realized, greatly improving the product competitiveness.

[0024] Specifically, two card slots 101 are opened on the moving contact terminal 1, and each moving contact piece 3 is respectively clamped in a card slot 101.

[0025] Specifically, the connection part between the moving contact piece 3 and the card slot 101 has an arc plate.

[0026] Specifically, a pressing through hole 301 is opened on the moving contact piece 3, and one end of the torsion spring 5 extending out passes through the pressing through hole 301 and presses on the moving contact piece 3.

[0027] Specifically, an embedding hole is opened on the moving contact terminal 1, and the insulating colloid 2 is installed in the embedding hole.

[0028] Specifically, the insulating colloid 2 includes an insulating block 201 and two fixing columns 202. Elastic installation cavities are symmetrically opened on the insulating block 201, and the two fixing columns 202 are respectively accommodated in the two elastic installation cavities. Function: Through the arrangement of the fixing columns 202, the torsion spring 5 can be quickly positioned and assembled on the moving contact terminal 1, greatly improving the assembly accuracy and efficiency of the torsion spring 5.

[0029] Specifically, the body of the torsion spring 5 is sleeved on the fixed column 202, and one end of the torsion spring 5 extends to abut against the moving contact piece 3, and the other end of the torsion spring 5 abuts against the inner side wall of the elastic mounting cavity.

[0030] Specifically, a fixing hole is formed in the moving contact piece 3 near the moving contact point 4, and the moving contact point 4 is installed in the fixing hole.

[0031] The above are the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present invention.

Claims

1. A switch moving contact group module, characterized in that: It comprises a moving contact terminal (1), an insulating colloid (2) and two moving contact components, wherein the insulating colloid (2) is arranged on the moving contact terminal (1), and the two moving contact components are respectively installed on the moving contact terminal (1); In one of the movable contact components, the movable contact component comprises a movable contact piece (3), a movable contact point (4) and a torsion spring (5); the movable contact piece (3) is clamped on the movable contact terminal (1); the movable contact point (4) is arranged on the movable contact piece (3); the torsion spring (5) is arranged on the insulating colloid (2); and one end of the torsion spring (5) extends outward and abuts against the movable contact piece (3), so that the end of the movable contact piece (3) close to the movable contact point (4) is elastically pressed against the movable contact terminal (1).

2. The switch moving contact group module according to claim 1, characterized in that: Two slots (101) are provided on the moving contact terminal (1), and each moving contact piece (3) is respectively snapped into one of the slots (101).

3. A switch moving contact group module according to claim 2, characterized in that: A circular arc plate is provided at the connection between the movable contact piece (3) and the clamping slot (101).

4. The switch moving contact group module according to claim 1, characterized in that: The movable contact piece (3) is provided with a pressing through hole (301), and one end of the torsion spring (5) extends through the pressing through hole (301) to be pressed on the movable contact piece (3).

5. The switch moving contact group module according to claim 1, characterized in that: The movable contact terminal (1) is provided with an embedding hole, and the insulating colloid (2) is installed in the embedding hole.

6. The switch moving contact group module according to claim 1, characterized in that: The insulating colloid (2) comprises an insulating block (201) and two fixing columns (202); elastic mounting cavities are symmetrically provided on the insulating block (201); and the two fixing columns (202) are respectively and correspondingly accommodated in the two elastic mounting cavities.

7. A switch moving contact group module according to claim 6, characterized in that: The body of the torsion spring (5) is sleeved on the fixing column (202), and one end of the torsion spring (5) extends outward and abuts against the movable contact piece (3), and the other end of the torsion spring (5) abuts against the inner wall of the elastic mounting cavity.

8. The switch moving contact group module according to claim 1, characterized in that: The movable contact piece (3) is provided with a fixing hole near the movable contact point (4), and the movable contact point (4) is installed in the fixing hole.

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