CN217507160U - Double-blade type micro-motion switch - Google Patents

Abstract

The utility model relates to a double knives formula inching switch connects electrically conductive, pressing member, elastic component and casing constitution structure through switch base, first connection electrically conductive, second and is reliable, has the double knives formula inching switch structure of higher stability. The switch base greatly improves the reliability and stability of the structure through the conducting strips which are integrally injection-molded, the switching of the switch state is realized through the movement of the first connecting conducting piece and the second connecting conducting piece which are synchronously and elastically driven by the pressing piece and the elastic piece, the reliability of the microswitch is greatly improved, even if any loop fails, the normal operation of an application circuit can be guaranteed through the other loop, and the problem that the reliability and the stability of a single-blade microswitch in the prior art are poor is solved.

Description

Double-knife type micro-action switch

Technical Field

The utility model relates to a micro-gap switch technical field especially relates to a double knives formula micro-gap switch.

Background

The microswitch is a switch which has a minute contact interval and a quick action mechanism, performs a switching action by a specified stroke and a specified force, is covered by a shell, and has a driving rod outside.

The Chinese utility model patent with publication number CN208954863U in the prior art discloses a waterproof microswitch with stable structure, which comprises a shell, a base, a first conducting strip, a second conducting strip, a third conducting strip, a first fixed block, a second fixed block, a third fixed block, a button, a switch spring, a reed, a bulge, a sealing ring, a limiting device and a limiting strip, wherein the base is clamped at the bottom of the inner wall of the shell through the limiting device, the limiting strip is fixed at one end of the inner wall of the shell close to the base, the first conducting strip, the second conducting strip and the third conducting strip are sequentially embedded on the surface of the base, the first fixed block, the second fixed block and the third fixed block are sequentially fixed on the upper surface of the base, the first conducting strip is fixedly connected with the first fixed block, the second conducting strip is fixedly connected with the second fixed block, the third conducting strip is fixedly connected with the third fixed block, a sliding hole is arranged at one end of the top of the shell close to the third fixed block, the waterproof microswitch is good in contact reliability, strong in anti-vibration capability and convenient to maintain and use. However, the micro switch in the prior art is of a single-blade loop structure, and once the circuit is broken due to a fault, the micro switch is made to fail, so that an application circuit fails.

In addition, the existing microswitch cover has the defects of poor stability and poor contact easily caused by too simple structure.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, provide a double knives formula inching switch.

The embodiment of the utility model provides a double knives formula inching switch, it includes:

the switch base is integrally formed by injection molding, and comprises a first conducting strip, a second conducting strip, a third conducting strip, a fourth conducting strip, a fifth conducting strip and a sixth conducting strip, wherein the first conducting strip, the second conducting strip and the third conducting strip form a first loop, the fourth conducting strip, the fifth conducting strip and the sixth conducting strip form a second loop;

the first connecting conductive piece is provided with a first contact clamping piece and a second contact clamping piece, the first contact clamping piece is in contact conduction with the first contact part at a first position, the first contact clamping piece is in contact conduction with the second contact part at a second position, and the second contact clamping piece is in contact conduction with the third contact part;

the second connecting conductive piece is provided with a third contact clamping piece and a fourth contact clamping piece, the third contact clamping piece is in contact conduction with the fourth contact part at the first position, the third contact clamping piece is in contact conduction with the fifth contact part at the second position, and the fourth contact clamping piece is in contact conduction with the sixth contact part;

the pressing piece is controlled by external force to move between a first position and a second position along the vertical direction so as to switch the positions, and is in transmission connection with the first connecting conductive piece and the second connecting conductive piece so as to realize synchronous movement in the vertical direction;

the elastic piece is arranged between the pressing piece and the switch base;

the casing, the lid closes on switch base's the top surface in order to shield first contact site, second contact site, third contact site, fourth contact site, fifth contact site, sixth contact site, first connect electrically conductive, the electrically conductive piece is connected to the second, the lower part and the elastic component of pressing the piece, the upper portion of pressing the piece stretches out to the casing and as pressing the splenium 35 outward, first connection foot, second connection foot, third connection foot, fourth connection foot, fifth connection foot, sixth connection foot stretch out switch base's bottom surface.

In some embodiments, the pressing member includes a pressing block, a pressing rod vertically extends from a top of the pressing block, the top of the pressing rod serves as a pressing portion, a bottom surface of the pressing block is provided with a first mounting groove and a second mounting groove which are in an i-shaped parallel configuration, and a communication groove communicating a middle portion of the first mounting groove with a middle portion of the second mounting groove, the first mounting groove is provided with a first connecting conductive member, the second mounting groove is provided with a second connecting conductive member, the communication groove is provided with a linkage block, two ends of the linkage block respectively extend into the first mounting groove and the second mounting groove from the communication groove, the middle portion of the first connecting conductive member is clamped between one end of the linkage block and the first mounting groove, and the middle portion of the second connecting conductive member is clamped between the other end of the linkage block and the second mounting groove.

In some embodiments, a sealing rubber sleeve is tightly sleeved on the pressing rod, and the pressing rod is in sealing engagement with the opening of the shell through the sealing rubber sleeve.

In some embodiments, the bottom surface of the linkage block is provided with a limiting column, the top surface of the switch base is provided with a limiting groove, one end of the elastic member is sleeved on the periphery of the limiting column, and the other end of the elastic member is embedded in the limiting groove.

In some of these embodiments, the communication channel has a rib that matches the shape of the outer periphery of the resilient member.

In some embodiments, both ends of the linkage block have a widened portion, and the width of the widened portion is larger than the width of the communication openings of the communication groove and the first and second mounting grooves.

In some embodiments, the top surface of the switch base is provided with a first injection molding block, a second injection molding block and a connecting injection molding block, wherein the first injection molding block, the second injection molding block and the connecting injection molding block are integrally formed, the connecting injection molding block is connected between the first injection molding block and the second injection molding block, the first injection molding block is integrally formed with the first conducting plate and the second conducting plate in an injection molding mode, and the second injection molding block is integrally formed with the fourth conducting plate and the fifth conducting plate in an injection molding mode.

In some of these embodiments, the first break block is integral with the first injection molded block and the second break block is integral with the second injection molded block.

In some embodiments, the first contact portion of the first conductive sheet and the second contact portion of the second conductive sheet are exposed to the first injection-molded block, and the fourth contact portion of the fourth conductive sheet and the fifth contact portion of the fifth conductive sheet are exposed to the second injection-molded block.

In some embodiments, the first connecting pin, the second connecting pin, the third connecting pin, the fourth connecting pin, the fifth connecting pin and the sixth connecting pin are straight pins, or the first connecting pin, the second connecting pin, the third connecting pin, the fourth connecting pin, the fifth connecting pin and the sixth connecting pin are patch pins.

Compared with the prior art, the embodiment of the utility model provides a double-pole type inching switch, it is reliable to connect electrically conductive piece, pressing piece, elastic component and casing component structure through switch base, first connection electrically conductive piece, second, has the double-pole type inching switch structure of higher stability. The switch base greatly improves the reliability and stability of the structure through the conducting strips which are integrally injection-molded, the switching of the switch state is realized through the movement of the first connecting conducting piece and the second connecting conducting piece which are synchronously and elastically driven by the pressing piece and the elastic piece, the reliability of the microswitch is greatly improved, even if any loop fails, the normal operation of an application circuit can be guaranteed through the other loop, and the problem that the reliability and the stability of a single-blade microswitch in the prior art are poor is solved.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more concise and understandable description of other features, objects, and advantages of the invention.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is an internal structure view of a double-pole type inching switch according to an embodiment of the present invention.

Fig. 2 is a first assembly structure diagram of the switch base, the first connecting conductive piece and the second connecting conductive piece of the double-pole micro-actuated switch according to the embodiment of the present invention.

Fig. 3 is a first assembly structure diagram of the switch base, the first connecting conductive piece and the second connecting conductive piece of the double-pole micro-actuated switch according to the embodiment of the present invention.

Fig. 4 is a structure diagram of the injection molding of the switch base according to the embodiment of the present invention.

Fig. 5 is an assembly structure diagram of the pressing member, the first conductive sheet, the second conductive sheet, the third conductive sheet, the fourth conductive sheet, the fifth conductive sheet, the sixth conductive sheet, the first connecting conductive member and the second connecting conductive member according to the embodiment of the present invention.

Fig. 6 is an assembly structure diagram of the first conductive sheet, the second conductive sheet, the third conductive sheet, the fourth conductive sheet, the fifth conductive sheet, the sixth conductive sheet, the first connecting conductive member, and the second connecting conductive member according to an embodiment of the present invention.

Fig. 7 is a structural view of the first connecting conductive member according to the embodiment of the present invention.

Fig. 8 is a bottom structure view of the pressing member according to the embodiment of the present invention.

Fig. 9 is a top view of the pressing member according to the embodiment of the present invention.

Fig. 10 is a structural diagram of a straight pin with a pressing plate of the double-pole micro-actuated switch according to the embodiment of the present invention.

Fig. 11 is a structural view of a patch foot with a pressing plate of the double-pole micro-actuated switch according to the embodiment of the present invention.

Fig. 12 is a structural diagram of a straight pin without a pressing plate of the double-pole micro-actuated switch according to the embodiment of the present invention.

Fig. 13 is a structural diagram of a double-blade type inching switch of the present invention, in which the mounting pin has no pressing plate.

In the figure, 1, a switch base; 2. a first connecting conductive member; 3. a second connecting conductive member; 4. a pressing member; 5. an elastic member; 6. a housing; 7. a first conductive sheet; 8. a second conductive sheet; 9. a third conductive sheet; 10. a fourth conductive sheet; 11. a fifth conductive sheet; 12. a sixth conductive sheet; 13. a first contact portion; 14. a first connection pin; 15. a second contact portion; 16. a second connection pin; 17. a third contact portion; 18. a third connecting pin; 19. a fourth contact portion; 20. a fourth connecting pin; 21. a fifth contact portion; 22. a fifth connecting pin; 23. a sixth contact portion; 24. a sixth connecting pin; 25. a first block; 26. a second block; 27. a first injection molding block; 28. a second injection molding block; 29. a first contact jaw; 30. a second contact jaw; 31. a third contact jaw; 32. a fourth contact jaw; 33. pressing the block; 34. a pressing lever; 35. a pressing part; 36. a first mounting groove; 37. a second mounting groove; 38. a communicating groove; 39. a linkage block; 40. sealing the rubber sleeve; 41. opening a hole; 42. a limiting column; 43. a limiting groove; 44. blocking edges; 45. a widening section; 46. buckling; 47. pressing a plate; 48. and connecting the injection molding block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Moreover, it will be appreciated that in the development of any such actual embodiment, as in any specific implementation, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another.

Reference throughout this specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as is commonly understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not to be construed as limiting the number of times it is recited, either in the singular or the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description may not be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The utility model relates to a "a plurality of" means more than or equal to two. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like, as referred to herein, merely distinguish similar objects and do not denote a particular ordering of objects.

As shown in fig. 1 to 9, a double-pole micro-motion switch provided by the embodiment of the present invention mainly includes a switch base 1, a first connecting conductive piece 2, a second connecting conductive piece 3, a pressing piece 4, an elastic piece 5, and a housing 6. The whole structure of the embodiment is simple and the reliability is strong.

As shown in fig. 1 to 9, in the switch base 1 of the present embodiment, a first conductive sheet 7, a second conductive sheet 8, and a third conductive sheet 9 for forming a first loop and a fourth conductive sheet 10, a fifth conductive sheet 11, and a sixth conductive sheet 12 for forming a second loop are integrally injection molded, the first conductive sheet 7 has a first contact portion 13 and a first connection pin 14, the second conductive sheet 8 has a second contact portion 15 and a second connection pin 16, the third conductive sheet 9 has a third contact portion 17 and a third connection pin 18, the fourth conductive sheet 10 has a fourth contact portion 19 and a fourth connection pin 20, the fifth conductive sheet 11 has a fifth contact portion 21 and a fifth connection pin 22, the sixth conductive sheet 12 has a sixth contact portion 23 and a sixth connection pin 24, the first contact portion 13 and the second contact portion 15 are vertically arranged and are connected and disconnected by a first disconnection block 25, the fourth contact portion 19 and the fifth contact portion 21 are vertically arranged and connected and disconnected by a second disconnection block 26 And (7) breaking. The switch base 1 of the embodiment has a simple structure and high reliability, and the reliability of the microswitch is greatly improved by integrally injection molding (plastic coating) the first loop and the second loop.

As shown in fig. 1 to 9, the switch base 1 of the present embodiment has a first injection molding block 27, a second injection molding block 28 and a connection injection molding block 48 connected between the first injection molding block 27 and the second injection molding block 28, the first injection molding block 27 is integrally injection molded with the first conductive sheet 7 and the second conductive sheet 8, and the second injection molding block 28 is integrally injection molded with the fourth conductive sheet 10 and the fifth conductive sheet 11. The first break-off block 25 is integral with a first injection-moulded block 27 and the second break-off block 26 is integral with a second injection-moulded block 28. The first contact portion 13 of the first conductive plate 7 and the second contact portion 15 of the second conductive plate 8 are exposed to the first injection molding 27, and the fourth contact portion 19 of the fourth conductive plate 10 and the fifth contact portion 21 of the fifth conductive plate 11 are exposed to the second injection molding 28. The switch base 1 of the embodiment is coated with plastic at the positions except the contact part, so that the reliability of the conducting strip in the injection molding block is improved, the conducting strip is not easy to deform, and the reliability of the whole microswitch is improved.

As shown in fig. 1-9, the first connecting conductive member 2 of the present embodiment is used for connecting the first conductive sheet 7 and the third conductive sheet 9, and for connecting the second conductive sheet 8 and the third conductive sheet 9, and has a first contact clamping piece 29 and a second contact clamping piece 30 integrally formed, the first contact clamping piece 29 is in contact conduction with the first contact portion 13 of the first conductive sheet 7 at a first position, the first contact clamping piece 29 is in contact conduction with the second contact portion 15 of the second conductive sheet 8 at a second position, and the second contact clamping piece 30 is in contact conduction with the third contact portion 17 of the third conductive sheet 9. The first contact jaw 29 and the second contact jaw 30 are both metal conductive structures formed by metal sheets through deformation and having clamping capability, and are used for clamping the first conducting plate 7 and the second conducting plate 8 to form contact and conduction. In this embodiment, the first position is located above the first block 25, and the second position is located below the first block 25, and the first connecting conductive member 2 is switched between the first position and the second position by moving up and down. The first connecting conductive piece 2 of the embodiment has a simple structure and high reliability, and can reliably and stably clamp and contact the first conductive piece 7, the second conductive piece 8 and the third conductive piece 9, thereby improving the reliability of the microswitch.

As shown in fig. 1 to 9, the second connecting conductive member 3 of the present embodiment is used for connecting the fourth conductive sheet 10 and the sixth conductive sheet 12 and connecting the fifth conductive sheet 11 and the sixth conductive sheet 12, and has a third contact clamping piece 31 and a fourth contact clamping piece 32 that are integrally formed, the third contact clamping piece 31 is in contact conduction with the fourth contact portion 19 of the fourth conductive sheet 10 at a first position, the third contact clamping piece 31 is in contact conduction with the fifth contact portion 21 of the fifth conductive sheet 11 at a second position, and the fourth contact clamping piece 32 is in contact conduction with the sixth contact portion 23 of the sixth conductive sheet 12. In this embodiment, the first position is located above the second block 26, the second position is located below the second block 26, the second block 26 and the first block 25 are located on the same horizontal plane, and the second conductive connecting member 3 moves up and down to switch between the first position and the second position. The second connecting conductive piece 3 of this embodiment has a simple structure and high reliability, and can reliably and stably clamp and contact the fourth conductive piece 10, the fifth conductive piece 11, and the sixth conductive piece 12, thereby improving the reliability of the micro switch.

As shown in fig. 1 to 9, the pressing member 4 of the present embodiment is controlled by an external force to move vertically between the first position and the second position to switch the positions, and is connected to the first connecting conductive member 2 and the second connecting conductive member 3 in a driving manner to achieve synchronous movement in the vertical direction. The pressing member 4 includes a pressing block 33, a pressing rod 34 vertically extends from the top of the pressing block 33, the top of the pressing rod 34 serves as a pressing portion 35, the bottom surface of the pressing block 33 has a first mounting groove 36 and a second mounting groove 37 which are arranged in parallel in an i-shape, and a communication groove 38 communicating the middle portion of the first mounting groove 36 with the middle portion of the second mounting groove 37, the first mounting groove 36 is provided with the first connecting conductive member 2, the second mounting groove 37 is provided with the second connecting conductive member 3, the communication groove 38 is provided with a linkage block 39, two ends of the linkage block 39 respectively extend from the communication groove 38 into the first mounting groove 36 and the second mounting groove 37, the middle portion of the first connecting conductive member 2 is sandwiched between one end of the linkage block 39 and the first mounting groove 36, and the middle portion of the second connecting conductive member 3 is sandwiched between the other end of the linkage block 39 and the second mounting groove 37. The pressing piece 4 of the embodiment has a simple structure and high reliability, and can improve the stable and reliable pressing performance, thereby improving the reliability and stability of the microswitch.

As shown in fig. 1 to 9, the elastic member 5 of the present embodiment is a spring, and is disposed between the pressing member 4 and the switch base 1.

As shown in fig. 1-9, in the present embodiment, a sealing rubber sleeve 40 is tightly sleeved on the pressing rod 34, and the pressing rod 34 is in sealing engagement with an opening 41 of the housing 6 through the sealing rubber sleeve 40, so as to enhance the sealing and waterproof performance, and improve the service life and application range of the micro switch.

As shown in fig. 1 to 9, the bottom surface of the linkage block 39 of the present embodiment has a limiting post 42, the top surface of the switch base 1 has a limiting groove 43, one end of the elastic member 5 is sleeved on the periphery of the limiting post 42, the other end of the elastic member 5 is embedded in the limiting groove 43, the elastic member 5 of the present embodiment is a spring, one end of the spring is sleeved on the periphery of the limiting post 42, the other end of the spring is embedded in the limiting groove 43, and the limiting post 42 and the limiting groove 43 serve as spring seats to better limit the position of the spring, so that the pressing member 4 has a more reliable and stable pressing effect.

As shown in fig. 1 to 9, the communicating groove 38 of the present embodiment has a rib 44 matching the outer peripheral shape of the elastic member 5, the elastic member 5 in the present embodiment is a spring, and the rib 44 has an arc shape, so as to further limit the position of the spring and improve the reliability.

As shown in fig. 1 to 9, the two ends of the linkage block 39 of the present embodiment have widened portions 45, the width of the widened portions 45 is greater than the width of the communication openings of the communication groove 38 and the first and second mounting grooves 36 and 37, the widened portions 45 prevent the two ends of the linkage block 39 from easily coming off the first and second mounting grooves 36 and 37, so that the linkage block 39 can stably clamp the middle portion of the first connecting conductive member 2 and the middle portion of the second connecting conductive member 3, and the first connecting conductive member 2 and the second connecting conductive member 3 are prevented from easily deviating and reducing reliability.

As shown in fig. 1 to 9, the housing 6 of the present embodiment covers the top surface of the switch base 1 to shield the first contact portion 13, the second contact portion 15, the third contact portion 17, the fourth contact portion 19, the fifth contact portion 21, the sixth contact portion 23, the first connecting conductive member 2, the second connecting conductive member 3, the lower portion of the pressing member 4, and the elastic member 5, the upper portion of the pressing member 4 extends out of the housing 6 as a pressing portion 35, and the first connecting pin 14, the second connecting pin 16, the third connecting pin 18, the fourth connecting pin 20, the fifth connecting pin 22, and the sixth connecting pin 24 extend out of the bottom surface of the switch base 1. The shell 6 of this embodiment is buckled fixedly with the switch base 1 through the buckling position 46, and in addition, the sealing waterproof assembly can be carried out through the sealing ring and the switch base 1, so that the whole sealing performance and reliability are improved.

In the embodiment shown in fig. 10 and 12, the first connecting pin 14, the second connecting pin 16, the third connecting pin 18, the fourth connecting pin 20, the fifth connecting pin 22 and the sixth connecting pin 24 are straight pins. In the case of the microswitch having a straight pin with a pressing plate as shown in fig. 10, a shaft is provided on the housing 6 to mount a rotatable pressing plate 47, and the pressing plate 47 is used to press down the pressing part 35. The embodiment shown in fig. 12 is a straight pin depressorless microswitch.

In another embodiment shown in fig. 11 and 13, the first connecting pin 14, the second connecting pin 16, the third connecting pin 18, the fourth connecting pin 20, the fifth connecting pin 22, and the sixth connecting pin 24 are patch pins. In the microswitch having a pressing plate attached to a patch pin as shown in fig. 11, a shaft is provided on the housing 6 to mount a rotatable pressing plate 47, and the pressing plate 47 presses the pressing portion 35 downward. The embodiment shown in fig. 13 is a microswitch with no pressure plate for the patch foot.

It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A double-pole micro-actuated switch, comprising:

the switch base (1) is integrally formed by injection molding with a first conducting strip (7), a second conducting strip (8) and a third conducting strip (9) which form a first loop and a fourth conducting strip (10), a fifth conducting strip (11) and a sixth conducting strip (12) which form a second loop, the first conducting strip (7) is provided with a first contact part (13) and a first connecting pin (14), the second conducting strip (8) is provided with a second contact part (15) and a second connecting pin (16), the third conducting strip (9) is provided with a third contact part (17) and a third connecting pin (18), the fourth conducting strip (10) is provided with a fourth contact part (19) and a fourth connecting pin (20), the fifth conducting strip (11) is provided with a fifth contact part (21) and a fifth connecting pin (22), and the sixth conducting strip (12) is provided with a sixth contact part (23) and a sixth connecting pin (24), the first contact part (13) and the second contact part (15) are vertically arranged up and down and are connected and separated through a first separation block (25), and the fourth contact part (19) and the fifth contact part (21) are vertically arranged up and down and are connected and separated through a second separation block (26);

a first connecting conductive member (2) having a first contact jaw (29) and a second contact jaw (30), the first contact jaw (29) being in contact conduction with the first contact portion (13) at a first position, the first contact jaw (29) being in contact conduction with the second contact portion (15) at a second position, the second contact jaw (30) being in contact conduction with the third contact portion (17);

a second connecting conductive member (3) having a third contact jaw piece (31) and a fourth contact jaw piece (32), wherein the third contact jaw piece (31) is in contact conduction with the fourth contact portion (19) at a first position, the third contact jaw piece (31) is in contact conduction with the fifth contact portion (21) at a second position, and the fourth contact jaw piece (32) is in contact conduction with the sixth contact portion (23);

the pressing piece (4) is controlled by external force to move between the first position and the second position along the vertical direction so as to switch the positions, and is in transmission connection with the first connecting conductive piece (2) and the second connecting conductive piece (3) to realize synchronous vertical movement;

the elastic piece (5) is arranged between the pressing piece (4) and the switch base (1);

the switch base comprises a shell (6) and is covered on the top surface of the switch base (1) so as to shield the first contact part (13), the second contact part (15), the third contact part (17), the fourth contact part (19), the fifth contact part (21), the sixth contact part (23), the first connecting conductive part (2), the second connecting conductive part (3), the lower part of the pressing piece (4) and the elastic part (5), the upper part of the pressing piece (4) extends out of the shell (6) to serve as a pressing part (35), and the first connecting pin (14), the second connecting pin (16), the third connecting pin (18), the fourth connecting pin (20), the fifth connecting pin (22) and the sixth connecting pin (24) extend out of the bottom surface of the switch base (1).

2. The double pole type micro-actuated switch according to claim 1, wherein the pressing member (4) comprises a pressing block (33), a pressing rod (34) vertically extends from the top of the pressing block (33), the top of the pressing rod (34) serves as the pressing portion (35), the bottom surface of the pressing block (33) is provided with a first mounting groove (36) and a second mounting groove (37) which are arranged in parallel in an I shape, and a communication groove (38) which communicates the middle portion of the first mounting groove (36) with the middle portion of the second mounting groove (37), the first mounting groove (36) is provided with the first connecting conductive member (2), the second mounting groove (37) is provided with the second connecting conductive member (3), the communication groove (38) is provided with a linkage block (39), and both ends of the linkage block (39) respectively extend from the communication groove (38) into the first mounting groove (36) and the second mounting groove (37), the middle part of the first connecting conductive member (2) is clamped between one end of the linkage block (39) and the first mounting groove (36), and the middle part of the second connecting conductive member (3) is clamped between the other end of the linkage block (39) and the second mounting groove (37).

3. A double-blade micro-actuated switch according to claim 2, wherein a sealing rubber sleeve (40) is tightly sleeved on the pressing rod (34), and the pressing rod (34) is in sealing engagement with the opening (41) of the housing (6) through the sealing rubber sleeve (40).

4. The double-blade micro-actuated switch according to claim 2, wherein the bottom surface of the linkage block (39) is provided with a limiting column (42), the top surface of the switch base (1) is provided with a limiting groove (43), one end of the elastic member (5) is sleeved on the periphery of the limiting column (42), and the other end of the elastic member (5) is embedded in the limiting groove (43).

5. A double-pole micro-actuated switch according to claim 4, wherein the communication groove (38) has a rib (44) matching the outer peripheral shape of the elastic member (5).

6. A double blade type micro-actuated switch according to claim 2, wherein both ends of the link block (39) have a widened portion (45), and the width of the widened portion (45) is larger than the width of the communication opening of the communication groove (38) with the first and second mounting grooves (36, 37).

7. The double-pole micro-actuated switch according to claim 1, wherein the top surface of the switch base (1) is provided with a first injection molding block (27), a second injection molding block (28) and a connecting injection molding block (48) connected between the first injection molding block (27) and the second injection molding block (28), the first injection molding block (27) is integrally injection-molded with the first conducting plate (7) and the second conducting plate (8), and the second injection molding block (28) is integrally injection-molded with the fourth conducting plate (10) and the fifth conducting plate (11).

8. A double pole microswitch according to claim 7, wherein the first barrier block (25) is integral with the first injection moulded block (27) and the second barrier block (26) is integral with the second injection moulded block (28).

9. A double pole microswitch according to claim 7, wherein the first contact portion (13) of the first conductive plate (7) and the second contact portion (15) of the second conductive plate (8) are exposed to the first injection moulded block (27), and the fourth contact portion (19) of the fourth conductive plate (10) and the fifth contact portion (21) of the fifth conductive plate (11) are exposed to the second injection moulded block (28).

10. The double pole microswitch of claim 1, wherein the first connecting pin (14), the second connecting pin (16), the third connecting pin (18), the fourth connecting pin (20), the fifth connecting pin (22) and the sixth connecting pin (24) are straight pins, or the first connecting pin (14), the second connecting pin (16), the third connecting pin (18), the fourth connecting pin (20), the fifth connecting pin (22) and the sixth connecting pin (24) are patch pins.

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