CN218101113U

CN218101113U - Contactor movable contact assembly and contactor

Info

Publication number: CN218101113U
Application number: CN202222233476.2U
Authority: CN
Inventors: 董洪江; 贾勇; 潘乔旭
Original assignee: Tyco Electronics Shanghai Co Ltd; Tyco Electronics Technology SIP Ltd
Current assignee: Tyco Electronics Shanghai Co Ltd; Tyco Electronics Technology SIP Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-20
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a contactor movable contact subassembly and contactor. Contactor moving contact subassembly includes: the movable terminal module comprises a mounting seat and a movable terminal arranged in the mounting seat; a base assembly including an insulating base and a support substrate fixed to the insulating base; a support spring compressed between the moving terminal module and the base assembly; and a limit bracket fixed to the support base plate for limiting a maximum moving distance of the movable terminal module with respect to the base assembly. The limit bracket is provided with two fixed end parts which are respectively fixed at the left end and the right end of the support substrate, and slots are formed on the fixed end parts; the supporting substrate is provided with an inserting tongue inserted into the inserting groove and a clamping part abutted against the outer side of the fixed end part, and the end part of the clamping part is bent, so that the limiting bracket is fixed on the supporting substrate and cannot be separated from the supporting substrate. The utility model discloses in, can not produce the foreign matter during the shaping of buckling, improved the electric contact stability and the reliability of contactor.

Description

Contactor movable contact assembly and contactor

Technical Field

The utility model relates to a contactor moving contact subassembly and contactor including this contactor moving contact subassembly.

Background

In the prior art, a contactor generally includes a pair of stationary terminals, a movable terminal module, a base assembly, a support spring, and a limit bracket. The movable terminal module includes a mounting seat (or called an armature) and a movable terminal installed in the mounting seat, and the movable terminal can move between a closed position electrically contacting with the pair of fixed terminals and an open position electrically separated from the pair of fixed terminals along a vertical direction. The susceptor assembly includes an insulating susceptor (or referred to as a high-low voltage spacer) and a support substrate fixed to the insulating susceptor. The support springs (or contact springs) are compressed between the moving terminal module and the base assembly. The limit bracket is fixed to the support base plate for limiting a maximum moving distance of the movable terminal module with respect to the base assembly.

In the prior art, in order to prevent the spacing bracket from being separated from the supporting substrate, the supporting substrate is usually riveted directly to the spacing bracket. However, many foreign substances, for example, metal chips, are generated at the time of caulking, which may reduce the electrical contact stability and reliability of the contactor. Furthermore, riveting is very time consuming and costly.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.

According to the utility model discloses an aspect provides a contactor movable contact subassembly, include: the movable terminal module comprises a mounting seat and a movable terminal arranged in the mounting seat; a base assembly including an insulating base and a support substrate fixed to the insulating base; a support spring compressed between the moving terminal module and the base assembly to allow the moving terminal module to move in a vertical direction relative to the base assembly; and a limit bracket fixed to the support base plate for limiting a maximum moving distance of the movable terminal module with respect to the base assembly. The limit bracket is provided with two fixed end parts which are respectively fixed to the left end and the right end of the support substrate, and slots are formed on the fixed end parts; the supporting substrate is provided with an inserting tongue inserted into the inserting groove and a clamping part abutted against the outer side of the fixing end part, and the end part of the clamping part is bent, so that the limiting bracket is fixed on the supporting substrate and cannot be separated from the supporting substrate.

According to an exemplary embodiment of the present invention, the limiting bracket is further used for limiting the moving direction of the moving terminal module, so that the moving terminal module can only move in the vertical direction relative to the base assembly.

According to the utility model discloses a further exemplary embodiment, spacing support includes: a pair of side plates, the lower ends of which are the fixed end parts; and a top plate connected between the tops of the pair of side plates, the top plate being located above the moving terminal module and adapted to abut against the moving terminal module to limit the maximum moving distance of the moving terminal module relative to the base assembly.

According to another exemplary embodiment of the present invention, a guide groove is formed on a top plate of the limit bracket, and a guide protrusion extending in a vertical direction is formed on the mount base; the guide protrusions are engaged with the guide grooves for restricting a moving direction of the moving terminal module such that the moving terminal module can move only in a vertical direction with respect to the base assembly.

According to another exemplary embodiment of the present invention, a window of a hollow is formed on the side plate, and the window extends from the slot all the way to the guide groove, so that the slot and the guide groove communicate with each other.

According to another exemplary embodiment of the present invention, the mount includes: a pair of side walls; a bottom wall connected between bottoms of the pair of side walls; and the guide protrusions formed on the top of the pair of side walls. The mounting seat has a mounting groove defined by the pair of side walls and the bottom wall, and the movable terminal is mounted in the mounting groove.

According to another exemplary embodiment of the present invention, a positioning protrusion is formed on an inner surface of the bottom wall of the mounting seat, and a positioning groove engaged with the positioning protrusion is formed on a bottom surface of the movable terminal; the top plate of the limiting bracket is positioned above the movable terminal and is suitable for abutting against the top surface of the movable terminal.

According to another exemplary embodiment of the present invention, the support substrate comprises: a plate portion fixed in the insulating base; the two inserting tongues are respectively connected with two ends of the plate body part and extend to the outside of the insulating base; and two pairs of the clamping parts are respectively connected with two ends of the plate body part and extend to the outside of the insulating base, an opening is formed on the insulating base, a part of the top surface of the plate body part of the supporting base plate is exposed out of the opening, and the lower end of the supporting spring is positioned in the opening and is in direct contact with the top surface of the plate body part of the supporting base plate.

According to another exemplary embodiment of the present invention, a groove is formed on a bottom surface of the bottom wall of the mounting seat, and an upper end of the support spring is positioned in the groove and in direct contact with a bottom surface of the groove.

According to another exemplary embodiment of the present invention, the insulating base comprises: a main body portion in which the opening is formed; and a protrusion column connected to the main body part and located in the opening, and a through hole allowing the protrusion column to pass therethrough is formed on the plate body part of the support substrate.

According to another exemplary embodiment of the present invention, the contactor moving contact assembly further comprises: a driving shaft having an upper end fixed into the protruding post of the insulating base, the insulating base electrically isolating the driving shaft from the support substrate.

According to another exemplary embodiment of the present invention, the contactor moving contact assembly further comprises: a magnetic core formed with a central through hole, the driving shaft passing through the central through hole of the magnetic core, and a lower end of the driving shaft protruding to an outside of the magnetic core and connected to the magnetic core.

According to another exemplary embodiment of the present invention, a clamping groove is formed on the lower end of the drive shaft, a snap ring is clamped in the clamping groove, and the snap ring abuts against the bottom surface of the magnetic core.

According to another exemplary embodiment of the present invention, the contactor moving contact assembly further comprises: reset spring is compressed the magnetic core with be located between the magnetic conduction board of the top of magnetic core the inside of magnetic core is formed with the location step, reset spring's lower extreme is positioned support and lean on in the central through-hole of magnetic core on the location step, reset spring's upper end is positioned support and lean on in the blind hole on the bottom surface of magnetic conduction board on the bottom surface of blind hole.

According to another exemplary embodiment of the present invention, the drive shaft has a positioning shoulder, the positioning shoulder is located in the central through hole of the magnetic core and abuts against the positioning step of the magnetic core.

According to another exemplary embodiment of the present invention, the insulating base is embedded in the injection-molded part as one piece; when the insulation base is injection-molded, the support base plate and the drive shaft are embedded parts, and the insulation base is an injection-molded part, so that the insulation base is directly jointed with the support base plate and the drive shaft.

According to another exemplary embodiment of the present invention, a coupling hole is formed at the support substrate, and the insulation base includes a first coupling portion passing through the coupling hole to enhance coupling strength between the insulation base and the support substrate.

According to another exemplary embodiment of the present invention, an engagement groove is formed at an upper end of the driving shaft, and the insulation base includes a second engagement portion engaged with the engagement groove to enhance engagement strength between the insulation base and the driving shaft.

According to another aspect of the present invention, there is provided a contactor, including: a housing; the contactor moving contact assembly is arranged in the shell; a pair of stationary terminals fixed in the housing and disposed above the movable terminal; a coil disposed in the housing; and a magnetic conductive plate disposed below the base assembly and the insulating base is supported on a top surface of the magnetic conductive plate. The coil generates driving force when being electrified, and the driving force is used for driving the movable terminal module so that the movable terminal is in electric contact with the pair of static terminals.

In according to the utility model discloses an in aforementioned each exemplary embodiment, through the tip of the clamping part of buckling the supporting baseplate, just can prevent spacing support and supporting baseplate and break away from, forming process is simple, can not produce the foreign matter when buckling the shaping moreover, has improved the electrical contact stability and the reliability of contactor. Furthermore, the utility model discloses can also improve the production efficiency of contactor and reduce the manufacturing cost of contactor.

Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.

Drawings

Fig. 1 shows a perspective view of a pair of stationary terminals, a movable contact assembly and a magnetic conductive plate of a contactor according to an exemplary embodiment of the present invention;

fig. 2 shows an axial cross-sectional view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention;

fig. 3 shows a schematic perspective view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention;

fig. 4 shows an exploded schematic view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention;

fig. 5 shows a schematic perspective view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention, wherein the clamping portion of the support substrate has not yet been bent;

fig. 6 shows a perspective view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention, wherein a clamping portion of a support substrate has been bent.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the invention with reference to the drawings is intended to explain the general inventive concept and should not be taken as a limitation of the invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to the utility model discloses a general technical concept provides a contactor movable contact subassembly, include: the movable terminal module comprises a mounting seat and a movable terminal arranged in the mounting seat; a base assembly including an insulating base and a support substrate fixed to the insulating base; a support spring compressed between the moving terminal module and the base assembly to allow the moving terminal module to move in a vertical direction relative to the base assembly; and a limit bracket fixed to the support base plate for limiting a maximum moving distance of the moving terminal module with respect to the base assembly. The limit bracket is provided with two fixed end parts which are respectively fixed to the left end and the right end of the support substrate, and slots are formed on the fixed end parts; the supporting substrate is provided with an inserting tongue inserted into the inserting groove and a clamping part abutted against the outer side of the fixing end part, and the end part of the clamping part is bent, so that the limiting bracket is fixed on the supporting substrate and cannot be separated from the supporting substrate.

According to another general technical concept of the present invention, there is provided a contactor, including: a housing; the moving contact component of the contactor is arranged in the shell; a pair of stationary terminals fixed in the housing and disposed above the movable terminals; a coil disposed in the housing; and a magnetic conductive plate disposed below the base assembly and on a top surface of which the insulating base is supported. The coil generates driving force when being electrified, and the driving force is used for driving the movable terminal module so that the movable terminal is in electric contact with the pair of static terminals.

Fig. 1 shows a schematic perspective view of a pair of stationary terminals 10, a movable contact assembly and a magnetic conductive plate 7 of a contactor according to an exemplary embodiment of the present invention; fig. 2 shows an axial cross-sectional view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention; fig. 3 shows a schematic perspective view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention; fig. 4 shows an exploded schematic view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention; fig. 5 shows a schematic perspective view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention, wherein the clamping portion 42 of the support substrate 4 has not been bent; fig. 6 shows a schematic perspective view of a movable contact assembly of a contactor according to an exemplary embodiment of the present invention, wherein the clamping portion 42 of the support substrate 4 has been bent.

In one exemplary embodiment of the present invention, as shown in fig. 1-6, a contactor movable contact assembly is disclosed. This contactor moving contact subassembly includes: the device comprises

movable terminal modules

1 and 2,

base assemblies

3 and 4, a supporting spring 6 and a limiting bracket 5. The

movable terminal modules

1, 2 include a mount 2 and a movable terminal 1 mounted in the mount 2. The

base assembly

3, 4 includes an insulating base 3 and a support substrate 4 fixed to the insulating base 3. The support springs 6 are compressed between the

moving terminal modules

1, 2 and the

base assemblies

3, 4 to allow the

moving terminal modules

1, 2 to move in a vertical direction relative to the

base assemblies

3, 4. A limit bracket 5 is fixed to the support base plate 4 for limiting the maximum moving distance of the

movable terminal modules

1, 2 relative to the

base assemblies

3, 4.

As shown in fig. 1 to 6, in the illustrated embodiment, the spacing bracket 5 has two fixing end portions 510 fixed to the left and right ends of the support substrate 4, respectively, and a slot 511 is formed on the fixing end portions 510. The support substrate 4 has a tongue 41 inserted into the slot 511 and a pair of clamping portions 42 respectively abutting on the front and rear sides of the fixed end portion 510, and the ends of the pair of clamping portions 42 are bent toward a direction approaching each other so that the spacing bracket 5 is fixed to the support substrate 4 so as not to be detached from the support substrate 4.

As shown in fig. 1 to 6, in the illustrated embodiment, the spacing bracket 5 also serves to limit the direction of movement of the moving

terminal modules

1, 2 so that the moving

terminal modules

1, 2 can only move in a vertical direction relative to the

base assemblies

3, 4.

As shown in fig. 1 to 6, in the illustrated embodiment, the spacing bracket 5 includes: a pair of side plates 51 and a top plate 52. The lower ends of the pair of side plates 51 are fixed end portions 510. The top plate 52 is connected between the tops of the pair of side plates 51. The top plate 52 is located above the moving

terminal modules

1, 2 and is adapted to abut against the moving

terminal modules

1, 2 to limit the maximum moving distance of the moving

terminal modules

1, 2 relative to the

base assemblies

3, 4.

As shown in fig. 1 to 6, in the illustrated embodiment, a guide groove 520 is formed in the top plate 52 of the stopper bracket 5, and a guide protrusion 23 extending in the vertical direction is formed in the mount base 2. The guide protrusions 23 cooperate with the guide grooves 520 for restricting the moving direction of the moving

terminal modules

1, 2 so that the moving

terminal modules

1, 2 can move only in the vertical direction with respect to the

base assemblies

3, 4.

As shown in fig. 1 to 6, in the illustrated embodiment, a hollowed window 501 is formed on the side plate 51, and the window 501 extends from the slot 511 to the guide groove 520 so that the slot 511 and the guide groove 520 communicate with each other. In this way, the material and weight of the spacing bracket 5 can be reduced.

As shown in fig. 1 to 6, in the illustrated embodiment, the mount 2 includes: a pair of side walls 21, a bottom wall 22 and a guide projection 23. The bottom wall 22 is connected between the bottoms of the pair of side walls 21. Guide bosses 23 are formed on the tops of the pair of side walls 21. The mounting base 2 has a mounting groove 201 defined by a pair of side walls 21 and a bottom wall 22, and the movable terminal 1 is mounted in the mounting groove 201.

As shown in fig. 1 to 6, in the illustrated embodiment, a positioning protrusion 22b is formed on an inner surface of the bottom wall 22 of the mounting base 2, and a positioning groove 11a that fits the positioning protrusion 22b is formed on a bottom surface of the movable terminal 1. The top plate 52 of the spacing bracket 5 is positioned above the movable terminal 1 and is suitable for abutting against the top surface of the movable terminal 1.

As shown in fig. 1 to 6, in the illustrated embodiment, the support substrate 4 includes: a plate body portion 40, two tongues 41 and two pairs of gripping portions 42. The plate body portion 40 is fixed in the insulating base 3. Two insertion tongues 41 are connected to both ends of the plate body portion 40, respectively, and extend to the outside of the insulating base 3. Two pairs of clamping portions 42 are connected to both ends of the plate body portion 40, respectively, and extend to the outside of the insulating base 3.

As shown in fig. 1 to 6, in the illustrated embodiment, an opening 31a is formed in the insulating base 3, and a part of the top surface of the plate body portion 40 of the support substrate 4 is exposed through the opening 31a. The lower ends of the support springs 6 are positioned in the openings 31a and are in direct contact with the top surface of the plate body portion 40 that supports the substrate 4.

As shown in fig. 1 to 6, in the illustrated embodiment, a groove 22a is formed on the bottom surface of the bottom wall 22 of the mount 2, and the upper end of the support spring 6 is positioned in the groove 22a and is in direct contact with the bottom surface of the groove 22 a.

As shown in fig. 1 to 6, in the illustrated embodiment, the insulating base 3 includes: a body portion 30 and a raised post 31. The main body 30 is formed with an opening 31a. A raised post 31 is connected to the body portion 30 and is positioned in the opening 31a. A through hole 43 allowing the projection column 31 to pass through is formed on the plate body portion 40 of the support substrate 4.

As shown in fig. 1 to 6, in the illustrated embodiment, the contactor moving contact assembly further comprises a driving shaft 8, an upper end 81 of the driving shaft 8 is fixed in the protruding column 31 of the insulating base 3, and the insulating base 3 electrically isolates the driving shaft 8 from the supporting base plate 4.

As shown in fig. 1 to 6, in the illustrated embodiment, the contactor moving contact assembly further comprises a magnetic core 9, the magnetic core 9 being formed with a central through hole 91. The driving shaft 8 passes through the center through hole 91 of the magnetic core 9, and the lower end 82 of the driving shaft 8 protrudes outside the magnetic core 9 and is connected to the magnetic core 9.

As shown in fig. 1 to 6, in the illustrated embodiment, a catching groove 82a is formed on a lower end 82 of the drive shaft 8, and a catching ring 82b is caught in the catching groove 82a, and the catching ring 82b abuts on a bottom surface of the magnetic core 9.

As shown in fig. 1-6, in the illustrated embodiment, the contactor movable contact assembly further comprises a return spring 92. The return spring 92 is compressed between the core 9 and the magnetically permeable plate 7 located above the core 9. A positioning step 91a is formed inside the magnetic core 9, and the lower end of the return spring 92 is positioned in the central through hole 91 of the magnetic core 9 and abuts against the positioning step 91 a. The upper end of the return spring 92 is positioned in the blind hole 7a on the bottom surface of the magnetic conductive plate 7 and abuts against the bottom surface of the blind hole 7 a.

As shown in fig. 1 to 6, in the illustrated embodiment, the drive shaft 8 has a positioning shoulder 8a, the positioning shoulder 8a being located in the central through hole 91 of the magnetic core 9 and abutting against the positioning step 91a of the magnetic core 9.

As shown in fig. 1 to 6, in the illustrated embodiment, the insulating base 3 is a one-piece insert injection molded part. In injection molding of the insulating base 3, the support base 4 and the drive shaft 8 are embedded parts, and the insulating base 3 is injection molded so that the insulating base 3 is directly engaged with the support base 4 and the drive shaft 8.

As shown in fig. 1 to 6, in the illustrated embodiment, an engagement hole 44 is formed on the support substrate 4, and the insulator base 3 includes a first engagement portion passing through the engagement hole 44 to enhance the engagement strength between the insulator base 3 and the support substrate 4.

As shown in fig. 1 to 6, in the illustrated embodiment, an engagement groove 81a is formed at the upper end 81 of the drive shaft 8, and the insulating base 3 includes a second engagement portion that engages with the engagement groove 81a to enhance the engagement strength between the insulating base 3 and the drive shaft 8.

In another exemplary embodiment of the present invention, as shown in fig. 1 to 6, a contactor is also disclosed. The contactor includes: a coil (not shown), the moving contact component of the contactor, a pair of fixed terminals 10 and a magnetic conduction plate 7. A pair of stationary terminals 10 is fixedly disposed above the movable terminal 1. A magnetically permeable plate 7 is provided below the

base assembly

3, 4. The movable terminal 1 is adapted to make electrical contact with a pair of stationary terminals 10, and the insulating base 3 is supported on the top surface of the magnetic conductive plate 7.

As shown in fig. 1-6, in the illustrated embodiment, when the coil is energized, the drive shaft 8 drives the contactor movable contact assembly by electromagnetic force to move to a closed position in electrical contact with a pair of stationary terminals 10. When the coil is de-energized, the return spring urges the contactor moving contact assembly to move to an open position electrically separated from the pair of stationary terminals 10.

It is understood by those skilled in the art that the above-described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle, and that such modifications are intended to fall within the scope of the present invention.

Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.

Claims

1. A contactor movable contact assembly, comprising:

the movable terminal module comprises a mounting seat and a movable terminal arranged in the mounting seat;

a base assembly including an insulating base and a support substrate fixed to the insulating base;

a support spring compressed between the moving terminal module and the base assembly to allow the moving terminal module to move in a vertical direction relative to the base assembly; and

a limit bracket fixed to the support base plate for limiting a maximum moving distance of the movable terminal module with respect to the base assembly,

the spacing bracket has two fixing end portions fixed to left and right ends of the support substrate, respectively, with insertion grooves formed thereon,

the supporting substrate is provided with an inserting tongue inserted into the inserting groove and a clamping part abutted against the outer side of the fixing end part, and the end part of the clamping part is bent, so that the limiting bracket is fixed on the supporting substrate and cannot be separated from the supporting substrate.

2. The contact moving contact assembly as claimed in claim 1, wherein:

the limiting bracket is also used for limiting the moving direction of the movable terminal module, so that the movable terminal module can only move in the vertical direction relative to the base assembly.

3. The contactor movable contact assembly of claim 2 wherein:

the spacing support includes:

a pair of side plates, the lower ends of which are the fixed end parts; and

a top plate connected between the tops of the pair of side plates,

the top plate is positioned above the moving terminal module and is adapted to abut against the moving terminal module to limit the maximum travel distance of the moving terminal module relative to the base assembly.

4. The contact moving contact assembly as claimed in claim 3, wherein:

a guide groove is formed on the top plate of the limit bracket, and a guide bulge extending along the vertical direction is formed on the mounting seat;

the guide protrusions cooperate with the guide grooves for limiting a moving direction of the moving terminal module such that the moving terminal module can move only in a vertical direction with respect to the base assembly.

5. The contact moving contact assembly as claimed in claim 4 wherein:

a hollow window is formed in the side plate and extends from the slot to the guide groove, so that the slot and the guide groove are communicated with each other.

6. The contact moving contact assembly as claimed in claim 4 wherein:

the mount pad includes:

a pair of side walls;

a bottom wall connected between bottoms of the pair of side walls; and

the guide protrusions formed on the top of the pair of side walls,

the mounting seat has a mounting groove defined by the pair of side walls and the bottom wall, and the movable terminal is mounted in the mounting groove.

7. The contactor movable contact assembly of claim 6 wherein:

a positioning bulge is formed on the inner surface of the bottom wall of the mounting seat, and a positioning groove matched with the positioning bulge is formed on the bottom surface of the movable terminal;

the top plate of the limiting bracket is positioned above the movable terminal and is suitable for abutting against the top surface of the movable terminal.

8. The contact moving contact assembly as recited in claim 6, further comprising:

the support substrate includes:

a plate portion fixed in the insulating base;

the two inserting tongues are respectively connected with two ends of the plate body part and extend to the outside of the insulating base; and

two pairs of clamping parts which are respectively connected with two ends of the plate body part and extend to the outside of the insulating base,

an opening is formed in the insulating base, a part of the top surface of the plate portion of the support substrate is exposed through the opening,

the lower ends of the support springs are positioned in the openings and are in direct contact with the top surface of the plate body portion of the support substrate.

9. The contactor movable contact assembly of claim 8 wherein:

a groove is formed on a bottom surface of the bottom wall of the mount, and an upper end of the support spring is positioned in the groove and directly contacts the bottom surface of the groove.

10. The contact moving contact assembly as recited in claim 8, further comprising:

the insulating base includes:

a main body portion in which the opening is formed; and

a raised post connected to the main body and positioned in the opening,

a through hole allowing the protrusion post to pass therethrough is formed on the plate body portion of the support substrate.

11. The contact moving contact assembly as recited in claim 10, further comprising:

a driving shaft whose upper end is fixed into the protruding column of the insulation base,

the insulating base electrically isolates the drive shaft from the support base plate.

12. The contactor movable contact assembly as claimed in claim 11, further comprising:

a magnetic core formed with a central through-hole,

the driving shaft passes through the central through hole of the magnetic core, and the lower end of the driving shaft protrudes to the outside of the magnetic core and is connected to the magnetic core.

13. The contact moving contact assembly as recited in claim 12, further comprising:

a clamping groove is formed in the lower end of the driving shaft, a clamping ring is clamped in the clamping groove, and the clamping ring abuts against the bottom surface of the magnetic core.

14. The contact moving contact assembly as recited in claim 12, further comprising:

a return spring compressed between the magnetic core and a magnetic conductive plate located above the magnetic core,

a positioning step is formed inside the magnetic core, the lower end of the return spring is positioned in the central through hole of the magnetic core and abuts against the positioning step,

the upper end of the reset spring is positioned in the blind hole in the bottom surface of the magnetic conduction plate and is abutted against the bottom surface of the blind hole.

15. The contact moving contact assembly as recited in claim 12, further comprising:

the drive shaft has a positioning shoulder located in the central through hole of the magnetic core and abutting against a positioning step of the magnetic core.

16. The contactor movable contact assembly as in claim 11 wherein:

the insulation base is embedded into an injection molding piece in an integrated manner;

when the insulation base is injection-molded, the support base plate and the driving shaft are embedded parts, and the insulation base is an injection-molded part, so that the insulation base is directly jointed with the support base plate and the driving shaft.

17. The contactor movable contact assembly as in claim 16 wherein:

an engagement hole is formed on the support substrate, and the insulation base includes a first engagement portion passing through the engagement hole to enhance engagement strength between the insulation base and the support substrate.

18. The contact moving contact assembly as recited in claim 16, further comprising:

an engagement groove is formed at an upper end of the drive shaft, and the insulation base includes a second engagement portion engaged with the engagement groove to enhance engagement strength between the insulation base and the drive shaft.

19. A contactor, comprising:

a housing;

the contact moving contact assembly as recited in any one of claims 1 to 18, disposed in said housing;

a pair of stationary terminals fixed in the housing and disposed above the movable terminal;

a coil disposed in the housing; and

a magnetically permeable plate disposed below the base assembly and the insulating base supported on a top surface of the magnetically permeable plate,

the coil generates driving force when being electrified, and the driving force is used for driving the movable terminal module so that the movable terminal is in electric contact with the pair of static terminals.