CN219842938U - Auxiliary contact module - Google Patents

Abstract

The utility model provides an auxiliary contact module, includes casing and movable support piece that sets up in the casing, be equipped with first looks utmost point unit and second looks utmost point unit in the casing, first looks utmost point unit includes two first binding post, second looks utmost point unit includes two second binding post, two first binding posts are connected with micro-gap switch's two contact electricity respectively, two second binding posts are connected with two stationary contacts respectively, drive first supporting structure when the support piece removes and promote micro-gap switch, make two contacts of micro-gap switch close or break, be equipped with the movable contact bridge on the second supporting structure, drive the movable contact bridge through the second supporting structure when the support piece removes, make the both ends of movable contact bridge respectively with two stationary contacts contact and separate, not only have the characteristics of direct-action double contact, can satisfy the operating requirement of conventional load, still have the characteristics of micro-gap switch auxiliary contact, can reliably work.

Description

Auxiliary contact module

Technical Field

The utility model relates to the field of piezoelectric devices, in particular to an auxiliary contact module.

Background

The contactor is a low-voltage electrical appliance capable of switching on, carrying and breaking current, and is widely used for automatic control of industrial equipment. The contactor controls the on and off of the moving contact by controlling the on and off of the electromagnetic system. The auxiliary contact module is a common accessory on the contactor, is generally hung on the contactor in a top or side mode, acts together with the action of the contactor, and is commonly used for controlling other electrical equipment or detecting the working state of other circuits.

Along with the increasingly complex and severe use environments of the contactor, higher requirements are also placed on reliable operation of the auxiliary contact module, such as requirements that the auxiliary contact module can meet the reliable operation under the conditions of low voltage, small current, multiple dust, moisture and the like. The auxiliary contact module in the market at present mostly adopts a conventional direct-acting double-contact, and the direct-acting double-contact is contacted with and separated from the fixed contacts on two sides through a movable contact bridge to realize on-off, so that the contact module has been shown in actual work that a low-voltage and low-current load cannot be reliably conducted. In the face of the situation, along with the development of electronic elements, a micro-switch type auxiliary contact appears, the micro-switch type auxiliary contact switches on and off through pushing a micro-switch, the contact structure has good tightness, can normally and reliably work under severe environments such as multiple dust, moisture and the like, and meanwhile, compared with a conventional direct-acting type double-contact, the micro-switch type contact can meet the reliable conduction of low-voltage and low-current loads, but the micro-switch type contact cannot meet the conventional load requirements. There is a need for a contact auxiliary module that can meet both conventional load requirements and reliable operation in low voltage, low current, multi-dust environments.

Disclosure of Invention

The object of the present utility model is to overcome at least one of the drawbacks of the prior art and to provide an auxiliary contact module.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an auxiliary contact module, includes casing and movable support piece that sets up in the casing, be equipped with first looks utmost point unit and second looks utmost point unit in the casing, first looks utmost point unit includes two first binding post, second looks utmost point unit includes two second binding posts, two first binding posts are connected with micro-gap switch electricity respectively, two second binding posts are connected with two static contact electricity respectively, the support piece includes first supporting structure and second supporting structure to and be used for stretching to the linkage structure outside the casing, micro-gap switch sets up in the direction of movement of first supporting structure, drive first supporting structure when the support piece removes and promote micro-gap switch makes micro-gap switch closed or open, two static contacts relatively set up the both sides of second supporting structure are equipped with the movable contact bridge on the second supporting structure, drive the movable contact bridge through the second supporting structure when the support piece removes, make the both ends of movable contact bridge contact and separate with two static contacts respectively.

Preferably, a circuit board is arranged in the shell, the micro switch is provided with pins connected with the circuit board, and the circuit board is provided with lead wires respectively connected with the two first wiring terminals.

Preferably, the microswitch is connected with the first connecting terminal through a plug connector.

Preferably, the plug connector comprises a first plug structure and a second plug structure, the microswitch is provided with a lead-out wire, the first plug structure is used for plugging the lead-out wire, and the second plug structure is used for plugging the first wiring terminal.

Preferably, the first supporting structure is provided with a driving piece, the driving piece is provided with a driving surface for pushing the micro switch, and the travel distance of the first supporting structure is greater than that of the driving piece.

Preferably, the center line of the driving surface is offset from the center line of the first supporting structure.

Preferably, the driving member is movably arranged on the first supporting structure, a spring connected with the first supporting structure is arranged on the driving member, and the micro switch can push the driving member and compress the spring.

Preferably, the first supporting structure is provided with a supporting groove, two opposite supporting surfaces and a supporting rod connected between the two supporting surfaces are arranged in the supporting groove, the driving piece comprises two driving side plates which are arranged oppositely and a driving bottom plate which is connected between the two driving side plates, driving top plates are respectively arranged on the two driving side plates, driving top plates on the two driving side plates are arranged at intervals, an avoidance groove is arranged between the driving top plates of the two driving side plates, the avoidance groove is used for allowing the supporting rod to pass through, the driving piece is sleeved on the supporting rod, a spring is arranged between the driving top plates and the supporting rod and used for driving the driving top plates to move away from the supporting rod until the driving bottom plate and the supporting rod are limited.

Preferably, the two driving top plates are respectively provided with a bending plate bending towards the inner side of the driving piece, and the bending plates on the two driving top plates can be respectively inserted into the inner sides of the springs.

Preferably, a torsion spring is arranged on the side face of the support piece, two ends of the torsion spring are respectively connected with the shell and the support piece, and the torsion spring is used for driving the support piece to move in a direction away from the micro switch.

Preferably, a baffle is arranged in the supporting groove of the first supporting structure, torsion springs and supporting rods are respectively arranged on two opposite sides of the baffle, spring columns which are used for being inserted into the springs in a limiting fit mode are arranged on the supporting rods, and insertion holes used for inserting the torsion springs are formed in the baffle.

Preferably, both ends of the shell are respectively provided with a slider, the shell is hung on the contactor body through the side of the slider, a limiting groove is formed in the slider, the shell is provided with a limiting column for being inserted into the limiting groove, a limiting spring connected with the limiting column is arranged in the limiting groove and used for driving the slider to move towards the outer side of the shell, and a limiting surface is arranged on the side surface, facing the outer side of the shell, of the slider and used for being in limiting fit with the contactor body.

Preferably, the first plugging structure comprises two groups of clamping pieces, the two groups of clamping pieces are an inner clamping piece and an outer clamping piece respectively, the outer clamping piece is used for fixing the enameled wire at the outer side of the lead-out wire, and the inner clamping piece is used for fixing the conductor at the inner side of the lead-out wire.

The auxiliary contact module provided by the utility model realizes the micro-gap switch type auxiliary contact and the direct-acting type double-contact through the first phase pole unit and the second phase pole unit respectively, has the characteristics of the direct-acting type double-contact, can meet the working requirements of conventional loads, has the characteristics of the micro-gap switch type auxiliary contact, and can reliably work in the environment with low voltage, small current and multiple dust.

In addition, the micro switch is connected with the first wiring terminal through the plug connector, and the micro switch has the characteristics of convenience in assembly and reliability in connection.

In addition, the driving piece can conveniently align and directly promote the one end that trigger button or trigger piece were seeked, does not need to align first supporting structure and the one end that trigger button or trigger piece were seeked, can be convenient for set up the position of support piece and micro-gap switch in the middle of the casing, and then make the space balance of its both sides, be convenient for the laying of other parts.

Drawings

FIG. 1 is a schematic view of the auxiliary contact module of the present utility model;

FIG. 2 is a schematic view of the internal structure of the auxiliary contact module of the present utility model;

FIG. 3 is a mating view of the microswitch and the first terminal of the present utility model;

FIG. 4 is a view of the circuit board of the present utility model in position inside the housing;

FIG. 5 is a mating view of the micro switch, circuit board and first terminal of the present utility model;

FIG. 6 is a mating view of the microswitch, plug connector and first terminal of the present utility model;

FIG. 7 is a mating view of the support and drive members of the present utility model;

FIG. 8 is a schematic view of the structure of the support of the present utility model;

FIG. 9 is a schematic view of the structure of the driving member of the present utility model;

FIG. 10 is a schematic view of the structure of the slider of the present utility model;

in the figure, 1, a shell; 2. a support member; 3. a first connection terminal; 4. a second connection terminal; 5. a micro-switch; 7. a driving member; 8. a torsion spring; 9. a slider; 11. a circuit board; 12. leading out a wire; 13. a plug-in component; 20. a linkage structure; 21. a first support structure; 22. a second support structure; 23. a support groove; 24. a support rod; 25. a baffle; 26. a jack; 31. a wire connection piece; 32. a wire pressing sheet; 33. a binding screw; 34. a plug-in piece; 61. a stationary contact; 62. a movable contact bridge; 71. a driving surface; 72. a spring; 73. a drive side plate; 74. a driving bottom plate; 75. driving the top plate; 76. an avoidance groove; 77. bending the plate; 91. a limit groove; 92. a limit column; 93. a limit spring; 94. a limiting surface; 131. a first plug structure; 132. a second plug structure; 133. an inner clip; 134. an outer clip 134.

Detailed Description

The following description of the embodiments of the auxiliary contact module according to the utility model is given in connection with the accompanying drawings. The auxiliary contact module of the present utility model is not limited to the description of the following embodiments.

As shown in fig. 1-3, the auxiliary contact module of this embodiment includes a housing 1 and a supporting member 2 movably disposed in the housing 1, a first phase pole unit and a second phase pole unit are disposed in the housing 1, the first phase pole unit includes two first connection terminals 3, the second phase pole unit includes two second connection terminals 4, the two first connection terminals 3 are respectively electrically connected with a micro switch 5, the two second connection terminals 4 are respectively electrically connected with two fixed contacts 61, the supporting member 2 includes a first supporting structure 21 and a second supporting structure 22, and a linkage structure 20 extending out of the housing 1, the linkage structure 20 is used for connecting with a contactor to drive the supporting member 2 to move linearly, the micro switch 5 is disposed in a moving direction of the first supporting structure 21, when the supporting member 2 moves, drives the first supporting structure 21 to push the micro switch 5 to close or open two contacts of the micro switch 5, the two fixed contacts 61 are respectively disposed on two sides of the second supporting structure 22, when the second supporting structure 22 is provided with a second supporting structure 62, and when the second supporting structure 62 is provided with the two movable contacts 22 are respectively separated from each other, the movable bridge 61 is driven to move by the movable bridge 62.

The auxiliary contact module of the embodiment realizes the micro-gap switch type auxiliary contact and the direct-acting type double-contact through the first phase pole unit and the second phase pole unit respectively, has the characteristics of the direct-acting type double-contact, can meet the working requirements of conventional loads, has the characteristics of the micro-gap switch 5 type auxiliary contact, and can reliably work in the environment with low voltage, small current and multiple dust.

The second phase pole unit and the first phase pole unit of the embodiment respectively form a group of contacts of a conventional direct-acting double-contact system and a group of micro-switch type contact system, the direct-acting double-contact formed by the second phase pole unit can be a normally open contact type or a normally closed contact type, and the micro-switch type contact system formed by the first phase pole unit can be a normally open contact type or a normally closed contact type, which belong to the protection scope of the utility model.

As shown in fig. 1, the side wall of the housing 1 is provided with a linkage hole, and a linkage structure 20 extends out of the linkage hole and is used for being linked with the contactor; as shown in fig. 2, a support 2 is provided in the housing 1, the support 2 is slidably disposed in the housing 1, the support 2 includes a first support structure 21 and a second support structure 22, and a linkage structure 20 extending out of the housing 1, where the linkage structure 20 is used to drive the support 2 to linearly move along a line direction of centers of the first support structure 21 and the second support structure 22. The shell 1 is internally provided with a first phase pole unit and a second phase pole unit, the first phase pole unit comprises two first wiring terminals 3, the second phase pole unit comprises two second wiring terminals 4, the two first wiring terminals 3 are respectively connected with two contacts of the micro switch 5, and the two second wiring terminals 4 are respectively connected with two fixed contacts 61; in this embodiment, the first phase pole unit is located at the lower part of the casing 1, the second phase pole unit is located at the upper part of the casing 1, the supporting member 2 moves linearly up and down at the center of the casing 1, the micro switch 5 is disposed on the moving path of the supporting member 2 and is located at the lower side of the supporting member 2, one end of the supporting member 2 is used as a first supporting structure 21, two fixed contacts 61 are symmetrically disposed at two sides of the supporting member 2, a movable contact bridge 62 is disposed on the second supporting structure 22, when the supporting member 2 moves, the first supporting structure 21 is driven to push the micro switch 5, so that two contacts of the micro switch 5 are closed or opened, and the second supporting structure 22 drives the movable contact bridge 62 to move, so that two ends of the movable contact bridge 62 are respectively contacted with and separated from the two fixed contacts 61. It should be noted that, as other embodiments, the first supporting structure 21 may directly or indirectly drive the micro switch 5, and in addition, the first supporting structure 21 may be convexly disposed on a side surface of the supporting member 2, or the like.

As shown in fig. 4 to 5, preferably, a circuit board 11 is disposed in the housing 1, the micro switch 5 is provided with pins connected to the circuit board 11, and the circuit board 11 is provided with lead wires 12 connected to the two first connection terminals 3, respectively. Of course, the circuit board 11 may not be provided, and as shown in fig. 2 to 3, the outgoing conductor 12 may be provided to the micro switch 5, and the micro switch 5 may be directly connected to the first connection terminal 3 via the outgoing conductor 12.

As shown in fig. 6, preferably, the micro switch 5 is connected with the first connection terminal 3 through a plug connector 13, the plug connector 13 includes a first plug structure 131 and a second plug structure 132, the first plug structure 131 is used for plugging the lead-out wire 12, and the second plug structure 132 is used for plugging the first connection terminal 3, and the connection through the plug connector 13 has the characteristics of convenient assembly and reliable connection.

Of course, the lead-out wire 12 provided on the wiring board 11 may be connected to the first connection terminal 3 via the connector 13. In addition, other electrical connection manners, such as welding the lead 12 and the first connecting terminal 3, may be adopted between the lead 12 and the first connecting terminal 3, which are all within the scope of the present utility model.

Further, the first wiring terminal 3 and the second wiring terminal 4 have the same structure, the first wiring terminal 3 and the second wiring terminal 4 respectively comprise a wiring lug 31, a wire pressing piece 32 and a wiring screw 33, an external wire is inserted between the wiring lug 31 and the wire pressing piece 32, the wiring screw 33 is used for pushing the wire pressing piece 32 to press the external wire on the wiring lug 31, and the wiring lug 31 is provided with a plug-in piece 34 for plugging in the second plug-in structure 132.

The second grafting structure 132 of this embodiment sets up in the one side that first grafting structure 131 is close to binding post 3, first grafting structure 131 and second grafting structure 132 include the base plate respectively and set up two clamping pieces on the base plate, and two clamping pieces are crooked to base plate one side respectively, and the clamping piece has certain elasticity, draw forth wire 12 and grafting piece 34 and be used for inserting respectively between corresponding base plate and two clamping pieces, compressed tightly on the base plate by the clamping piece, draw forth wire 12 and grafting piece 34 and connect through plug 13, can reduce the degree of difficulty of assembly, improve the efficiency of assembly. Of course, the plug 13 may be implemented in other manners, for example, the first plug structure 131 or the second plug structure 132 is fixedly connected with the corresponding part, and then the other plug structure is plugged to be assembled, which is within the scope of the present utility model.

Further, the first plugging structure 131 includes two sets of clamping pieces, the two sets of clamping pieces are respectively an inner clamping piece 133 and an outer clamping piece 134, the outer clamping piece 134 is used for fixing the enameled wire on the outer side of the lead-out wire 12, the inner clamping piece 133 is used for fixing the conductor on the inner side of the lead-out wire 12, and the conductor and the enameled wire are respectively fixed through the inner clamping piece 133 and the outer clamping piece 134, so that the device has the characteristic of being more reliable in fixing.

As shown in fig. 7-9, the first supporting structure 21 is provided with a driving member 7, the driving member 7 is provided with a driving surface 71 for pushing the micro switch 5, and the center line of the driving surface 71 is offset from the center line of the first supporting structure 21. The micro switch 5 is usually provided with a trigger button or trigger piece, the micro switch 5 is pushed by the driving piece 7 instead of the first supporting structure 21, the driving piece 7 can conveniently align and directly push one end of the trigger button or trigger piece, the first supporting structure 21 does not need to align with one end of the trigger button or trigger piece, the positions of the supporting piece 2 and the micro switch 5 can be conveniently arranged in the middle of the shell 1, the space on two sides of the shell is balanced, and other parts are convenient to place.

Further, the distance of travel of the support 2 is greater than the distance of travel of the driver 7, enabling a quicker and more reliable triggering of the microswitch 5 by the driver 7. Specifically, the driving member 7 is movably disposed on the first supporting structure 21 of the supporting member 2, the driving member 7 is provided with a spring 72 connected with the first supporting structure 21 of the supporting member 2, the supporting member 2 can compress the spring 72 to push the driving member 7, and the spring 72 not only can play a role in buffering, so that the acting force between the driving member 7 and the micro switch 5 is prevented from being too large, damage is reduced, and reliability of triggering the micro switch 5 can be improved.

As shown in fig. 8-9, the first supporting structure 21 is provided with a supporting groove 23, two opposite supporting surfaces are arranged in the supporting groove 23, and a supporting rod 24 connected between the two supporting surfaces, the driving member 7 comprises two opposite driving side plates 73 and a driving bottom plate 74 connected between the two driving side plates 73, the two driving side plates 73 are respectively provided with a driving top plate 75, the driving top plates 75 on the two driving side plates 73 are arranged at intervals, a avoiding groove 76 is arranged between the driving top plates 75 of the two driving side plates 73, the avoiding groove 76 is used for allowing the supporting rod 24 to pass through, the driving member 7 is sleeved on the supporting rod 24, a spring 72 is arranged between the driving top plate 75 and the supporting rod 24, and the spring 72 is used for driving the driving top plate 75 to move away from the supporting rod 24 until the driving bottom plate 74 is limited by the supporting rod 24.

Further, the two driving top plates 75 are respectively provided with bending plates 77 bent toward the inside of the driving member 7, and the bending plates 77 on the two driving top plates 75 can be respectively inserted into the inside of the springs 72, thereby achieving the effect of limiting the springs.

As shown in fig. 2, a torsion spring 8 is disposed on a side surface of the support member 2, two ends of the torsion spring 8 are respectively connected with the housing 1 and the support member 2, and the torsion spring 8 is used for driving the support member 2 to move in a direction away from the micro switch 5, so as to realize a reset function of the support member 2. By using the torsion spring 8 to drive the supporting member 2 to reset, the torsion spring 8 can be arranged on the side surface of the supporting member 2, a cylindrical spring for resetting is not required to be arranged on the inner side of the supporting member 2, a space for avoiding the driving member 7 can be reserved in the supporting member 2, and the volume of the supporting member 2 can not be increased.

As shown in fig. 8, a baffle plate 25 is disposed in the supporting groove 23 of the first supporting structure 21, torsion springs 8 and supporting rods 24 are disposed on two opposite sides of the baffle plate 25, spring columns for being inserted into the springs 72 in a limit fit manner are disposed on the supporting rods 24, and insertion holes 26 for inserting the torsion springs 8 are disposed on the baffle plate 25.

As shown in fig. 7, the second support structure 22 is provided with a movable contact bridge groove penetrating through the support member 2, the movable contact bridge 62 penetrates through the movable contact bridge groove, two ends of the movable contact bridge extend to two sides of the support member 2 respectively and are matched with the two fixed contacts 61, a movable contact bridge spring acts on the movable contact bridge 62 to mount the movable contact bridge 62 in the movable contact bridge groove, the movable contact bridge spring is mounted in the movable contact bridge groove, and two ends of the movable contact bridge spring act on the movable contact bridge 62 and the side walls of the movable contact bridge groove respectively.

As shown in fig. 1-2 and 10, two ends of the housing 1 are respectively provided with a slider 9, the housing 1 is hung on the contactor body through the side of the slider 9, the slider 9 is provided with a limit groove 91, the housing 1 is provided with a limit post 92 for being inserted into the limit groove 91, the limit groove 91 is provided with a limit spring 93 connected with the limit post 92, so that the slider 9 and the housing 1 form elastic connection, the limit spring 93 is used for driving the slider 9 to move towards the outer side of the housing 1, and the side of the slider 9 facing the outer side of the housing 1 is provided with a limit surface, and the limit surface is used for being in limit fit with the contactor body.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (13)

1. An auxiliary contact module comprises a shell (1) and a supporting piece (2) movably arranged in the shell (1), wherein a first phase pole unit and a second phase pole unit are arranged in the shell (1), and the auxiliary contact module is characterized in that: the first phase pole unit comprises two first wiring terminals (3), the second phase pole unit comprises two second wiring terminals (4), the two first wiring terminals (3) are respectively electrically connected with the micro switch (5), the two second wiring terminals (4) are respectively electrically connected with the two fixed contacts (61), the support piece (2) comprises a first support structure (21) and a second support structure (22) and a linkage structure (20) used for extending out of the shell (1), the micro switch (5) is arranged in the moving direction of the first support structure (21), the first support structure (21) is driven to push the micro switch (5) when the support piece (2) moves, the micro switch (5) is enabled to be closed or opened, the two fixed contacts (61) are relatively arranged on two sides of the second support structure (22), a movable contact bridge (62) is arranged on the second support structure (22), and the movable contact bridge (62) is driven to move through the second support structure (22) when the support piece (2) moves, so that the movable contact bridge (62) is driven to be separated from the two movable contact bridges (61).

2. The auxiliary contact module of claim 1, wherein: the micro-switch is characterized in that a circuit board (11) is arranged in the shell (1), the micro-switch (5) is provided with pins connected with the circuit board (11), and the circuit board (11) is provided with lead-out wires (12) respectively connected with the two first wiring terminals (3).

3. The auxiliary contact module of claim 1, wherein: the micro switch (5) is connected with the first connecting terminal (3) through a plug connector (13).

4. An auxiliary contact module according to claim 3, characterized in that: the plug connector (13) comprises a first plug structure (131) and a second plug structure (132), the microswitch (5) is provided with a lead-out wire (12), the first plug structure (131) is used for plugging the lead-out wire (12), and the second plug structure (132) is used for plugging the first wiring terminal (3).

5. The auxiliary contact module of claim 1, wherein: the first support structure (21) is provided with a driving piece (7), the driving piece (7) is provided with a driving surface (71) for pushing the micro switch (5), and the travel distance of the first support structure (21) is greater than that of the driving piece (7).

6. The auxiliary contact module of claim 5, wherein: the center line of the driving surface (71) is arranged in a staggered manner with the center line of the first supporting structure (21).

7. The auxiliary contact module of claim 5, wherein: the driving piece (7) is movably arranged on the first supporting structure (21), a spring (72) connected with the first supporting structure (21) is arranged on the driving piece (7), and the microswitch (5) can push the driving piece (7) and compress the spring (72).

8. The auxiliary contact module of claim 5, wherein: the first supporting structure (21) is provided with a supporting groove (23), two opposite supporting surfaces are arranged in the supporting groove (23), and a supporting rod (24) connected between the two supporting surfaces, the driving piece (7) comprises two driving side plates (73) which are arranged oppositely and a driving bottom plate (74) which is connected between the two driving side plates (73), the two driving side plates (73) are respectively provided with a driving top plate (75), the driving top plates (75) on the two driving side plates (73) are arranged at intervals, a avoiding groove (76) is arranged between the driving top plates (75) of the two driving side plates (73), the avoiding groove (76) is used for enabling the supporting rod (24) to penetrate through, the driving piece (7) is sleeved on the supporting rod (24), a spring (72) is arranged between the driving top plates (75) and the supporting rod (24), and the spring (72) is used for driving the driving top plates (75) to move away from the supporting rod (24) until the driving bottom plates (74) and the supporting rod (24) are limited.

9. The auxiliary contact module of claim 8, wherein: the two drive top plates (75) are respectively provided with a bending plate (77) bending towards the inner side of the drive piece (7), and the bending plates (77) on the two drive top plates (75) can be respectively inserted into the inner sides of the springs (72).

10. The auxiliary contact module of claim 1, wherein: the side of support piece (2) is equipped with torsional spring (8), and the both ends of torsional spring (8) are connected with casing (1) and support piece (2) respectively, and torsional spring (8) are used for driving support piece (2) to the direction removal of keeping away from micro-gap switch (5).

11. The auxiliary contact module of claim 10, wherein: the support structure is characterized in that a baffle plate (25) is arranged in a support groove (23) of the first support structure (21), torsion springs (8) and support rods (24) are respectively arranged on two opposite sides of the baffle plate (25), spring columns used for being inserted into springs (72) in a limit fit mode are arranged on the support rods (24), and insertion holes (26) used for being inserted into the torsion springs (8) are formed in the baffle plate (25).

12. The auxiliary contact module of claim 1, wherein: the utility model discloses a contactor, including casing (1), slider (9) are equipped with respectively at both ends of casing (1), casing (1) are equipped with spacing groove (91) on slider (9) through slider (9) side-hanging dress on the contactor body, casing (1) are equipped with and are used for inserting spacing post (92) in spacing groove (91), be equipped with in spacing groove (91) with spacing spring (93) that spacing post (92) are connected, spacing spring (93) are used for driving slider (9) to remove outside casing (1), are equipped with spacing face (94) on the side of slider (9) towards casing (1) outside, spacing face (94) are used for with the spacing cooperation of contactor body.

13. The auxiliary contact module of claim 4, wherein: the first plug-in structure (131) comprises two groups of clamping pieces, wherein the two groups of clamping pieces are an inner clamping piece (133) and an outer clamping piece (134) respectively, the outer clamping piece (134) is used for fixing an enameled wire at the outer side of the lead-out wire (12), and the inner clamping piece (133) is used for fixing a conductor at the inner side of the lead-out wire (12).