Contactor

Abstract

We provide contactors that are highly impact-resistant and easy to assemble. [Solution] The contactor is movable in the arc extinguishing chamber (10) and comprises a drive assembly located in the arc extinguishing chamber (10) and used to drive a movable contact between a closed position and an open position; an insulating bracket (5) mounted in the arc extinguishing chamber (10) of the upper insulating shell (1) and having a receiving chamber (50) separated from the arc extinguishing chamber (10) formed therein; and a microswitch (6) mounted in the receiving chamber (50) of the insulating bracket (5). The drive assembly has a pressing portion (41a) for pressing the microswitch (6), the microswitch (6) being pressed by the pressing portion (41a) when the movable contact moves to the closed position and not in contact with the pressing portion (41a) when the movable contact moves to the open position.

Description

Technical Field

[0001] Cross - reference to Related Applications This application claims the benefit of Chinese Patent Application No. CN202411375783.1, filed with the China National Intellectual Property Administration on September 29, 2024, the entire disclosure of which is incorporated herein by reference.

[0002] The present invention relates to a contactor, and particularly to an air - type high - voltage DC contactor.

Background Art

[0003] In the prior art, the design of high - voltage DC auxiliary contact structures often adopts the lead - type or lead - switch type. The advantage of the lead - type high - voltage DC auxiliary contact structure is that the lead stroke can be customized according to the contactor stroke. The disadvantages are that the requirements for the spring material and structure are high, the contact is exposed to the arc extinguishing chamber and is easily contaminated. In addition, the auxiliary signal is transmitted to the external connector of the product through the adapter terminal and two soldering joints. As a result, it is necessary to brazeweld the stationary contact onto the ceramic and connect it to the external connector by welding and the adapter terminal, and the assembly process is complex and the cost is relatively high.

[0004] In the prior art, the advantages of the lead - switch type high - voltage DC auxiliary contact structure are that signal control can be realized in a non - contact state and the auxiliary contact is sealed. The disadvantages of the lead - switch type high - voltage DC auxiliary contact structure are that the assembly is complex, the mounting accuracy is high, it is easily affected by strong external magnetic interference, and the impact resistance of the contact is low. In addition, by welding the wire to the lead switch and pulling the wire out of the housing through the protective sleeve, it becomes difficult to achieve automation, the assembly cost is high, and it is not user - friendly.

Summary of the Invention

Problems to be Solved by the Invention

[0005] This invention was made to overcome or mitigate at least one of the above-mentioned drawbacks. [Means for solving the problem]

[0006] According to an aspect of the present invention, a contactor is provided. The contactor comprises an upper insulating shell having an arc extinguishing chamber formed therein; a pair of stationary contacts fixed to the upper insulating shell and extending into the arc extinguishing chamber; a movable contact disposed in the arc extinguishing chamber and movable between a closed position in which it is electrically in contact with the stationary contact and an open position in which it is electrically isolated from the stationary contact; a drive assembly that is movable in the arc extinguishing chamber, disposed in the arc extinguishing chamber, and used to drive the movable contact between the closed and open positions; an insulating bracket mounted in the arc extinguishing chamber of the upper insulating shell and having a receiving chamber separated from the arc extinguishing chamber formed therein; and a microswitch mounted in the receiving chamber of the insulating bracket. The drive assembly has a pressing portion for pressing a microswitch, the microswitch being pressed by the pressing portion when the movable contact moves to the closed position, and not in contact with the pressing portion when the movable contact moves to the open position.

[0007] According to an exemplary embodiment of the present invention, the microswitch is a normally open switch, and when the microswitch is pressed by the pressing part, the microswitch switches from an open state to a closed state.

[0008] According to another exemplary embodiment of the present invention, the microswitch is a normally closed switch, and when the microswitch is pressed by a pressing part, the microswitch switches from a closed state to an open state.

[0009] According to another exemplary embodiment of the present invention, the receiving chamber of the insulating bracket has a mounting opening facing the side wall of the upper insulating shell, and a microswitch is mounted in the receiving chamber of the insulating bracket through the mounting opening, and the mounting opening of the receiving chamber is covered by the side wall of the upper insulating shell.

[0010] According to another exemplary embodiment of the present invention, the contactor further comprises a pair of adapter terminals provided on an insulating bracket and electrically connected to two connection terminals of a microswitch, respectively.

[0011] According to another exemplary embodiment of the present invention, the insulating bracket is an injection-molded portion of a pair of adapter terminals, and the insulating bracket and the pair of adapter terminals are integrated into a single component.

[0012] According to another exemplary embodiment of the present invention, the adapter terminal has a first tongue located at one end, and the microswitch connection terminal has a pair of first spring arms, the first tongue being inserted and clamped between the pair of first spring arms.

[0013] According to another exemplary embodiment of the present invention, the adapter terminal has a weld piece located at one end, the connection terminal of the microswitch is needle-shaped, and the connection terminal of the microswitch passes through the weld piece and is welded to the weld piece.

[0014] According to another exemplary embodiment of the present invention, the contactor further comprises a pair of first lead terminals, each electrically connected to the other end of a pair of adapter terminals.

[0015] According to another exemplary embodiment of the present invention, the adapter terminal has a pair of second spring arms located at the other end of the adapter terminal, and the first lead terminal has a second tongue located at one end, the second tongue being inserted and clamped between the pair of second spring arms.

[0016] According to another exemplary embodiment of the present invention, the first lead terminal has a first pin located at the other end of the first lead terminal, the first pin being used to electrically connect to a connector.

[0017] According to another exemplary embodiment of the present invention, the contactor further comprises a lower insulating shell assembled with an upper insulating shell, a coil frame provided on the lower insulating shell, a coil wound around the coil frame, and a pair of second lead terminals electrically connected to two terminals of the coil, respectively. The coil frame is an injection-molded portion of the pair of first lead terminals and the pair of second lead terminals, and thus the coil frame, the pair of first lead terminals, and the pair of second lead terminals constitute a single component.

[0018] According to another exemplary embodiment of the present invention, the second lead terminal has a second pin, and the coil skeleton also has a mating portion with a slot formed therein, the first pin and the second pin extending into the slot and electrically connected to a connector inserted into the slot.

[0019] According to another exemplary embodiment of the present invention, the contactor further comprises a lower insulating shell assembled with an upper insulating shell, a coil frame provided on the lower insulating shell, a coil wound around the coil frame, a pair of second lead terminals electrically connected to two terminals of the coil, and a holder that holds a pair of first lead terminals and is attached to the coil frame. The holder is an injection-molded portion of the pair of first lead terminals, and therefore the holder and the pair of first lead terminals are a single unit, and the coil frame is an injection-molded portion injected onto the pair of second lead terminals, and therefore the coil frame and the pair of second lead terminals are a single unit.

[0020] According to another exemplary embodiment of the present invention, a protruding column is formed on the upper part of the coil frame, a mounting hole is formed in the retainer, and the protruding column is inserted into the mounting hole by interference fit to fix the retainer to the upper part of the coil frame.

[0021] According to another exemplary embodiment of the present invention, the contactor further comprises a fitting portion in which a slot is formed and which is assembled to the coil skeleton. The second lead terminal has a second pin. The first pin and the second pin extend into the slot of the fitting portion and are electrically connected to a connector inserted into the slot.

[0022] According to another exemplary embodiment of the present invention, the drive assembly includes an insulating seat portion, a drive shaft located below the insulating seat portion and fixed to the insulating seat portion, a limiting bracket located above the insulating seat portion and fixed to the insulating seat portion, and a spring attached to the limiting bracket and axially compressed between the movable contact and the insulating seat portion. The pressing portion is formed on the insulating seat portion and extends into the receiving chamber of the insulating bracket.

[0023] According to another exemplary embodiment of the present invention, the insulating seat portion is an injection molding portion at the bottom of the limiting bracket and the upper end portion of the drive shaft. Therefore, the insulating seat portion, the limiting bracket, and the drive shaft are integrated into one part.

[0024] In the above exemplary embodiment according to the present invention, the microswitch is easy to assemble, has high shock resistance, stable signals, can improve the assembly efficiency of the contactor, and can reduce the manufacturing cost of the contactor.

[0025] By describing the exemplary embodiments of the present invention in detail while referring to the accompanying drawings, the above and other features of the present invention will become clearer.

Brief Description of the Drawings

[0026] [Figure 1] It is an explanatory perspective view of the upper half of the contactor according to an exemplary embodiment of the present invention. [Figure 2] It is an explanatory exploded view of the upper half of the contactor according to an exemplary embodiment of the present invention. [Figure 3] It is an assembled cross-sectional view of the upper half of the contactor according to an exemplary embodiment of the present invention. [Figure 4]This is an exploded cross-sectional view of the upper half of a contactor according to an exemplary embodiment of the present invention. [Figure 5] This is an explanatory perspective view of an insulating bracket for a contactor and a microswitch according to an exemplary embodiment of the present invention. [Figure 6] This is a descriptive perspective view of the microswitch and adapter terminal of a contactor according to an exemplary embodiment of the present invention. [Figure 7] This is an exploded view illustrating the microswitch and adapter terminals of a contactor according to an exemplary embodiment of the present invention. [Figure 8] This is a descriptive perspective view of a contactor microswitch and coil assembly according to an exemplary embodiment of the present invention. [Figure 9] This is an explanatory perspective view of the microswitch, coil, adapter terminal, first lead terminal, and second lead terminal of a contactor according to an exemplary embodiment of the present invention. [Figure 10] This is a schematic assembly diagram of a contactor microswitch and coil assembly according to another exemplary embodiment of the present invention. [Figure 11] This is an explanatory perspective view of the microswitch, adapter terminal, first lead terminal, and second lead terminal of a contactor according to another exemplary embodiment of the present invention. [Figure 12] This is an exploded view illustrating a contactor microswitch and coil assembly according to another exemplary embodiment of the present invention. [Modes for carrying out the invention]

[0027] Illustrative embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, the same reference numerals refer to the same elements. However, the present disclosure can be embodied in many different forms and should not be construed as being limited to the embodiments described herein. Rather, these embodiments are provided so as to make the present disclosure thorough and complete and so as to fully convey the concepts of the present disclosure to those skilled in the art.

[0028] The following detailed description includes numerous specific details for illustrative purposes to provide a thorough understanding of the disclosed embodiments. However, it will be apparent that one or more embodiments can be carried out without these specific details. In other examples, well-known structures and apparatus are shown schematically for the sake of simplifying the drawings.

[0029] A contactor is provided according to a general overview of the present invention. The contactor comprises an upper insulating shell having an arc extinguishing chamber formed therein; a pair of stationary contacts fixed to the upper insulating shell and extending into the arc extinguishing chamber; a movable contact located in the arc extinguishing chamber and movable between a closed position in which it is electrically in contact with the stationary contact and an open position in which it is electrically isolated from the stationary contact; a drive assembly movable in the arc extinguishing chamber and located in the arc extinguishing chamber and used to drive the movable contact between the closed and open positions; an insulating bracket mounted in the arc extinguishing chamber of the upper insulating shell and having a receiving chamber separated from the arc extinguishing chamber formed therein; and a microswitch mounted in the receiving chamber of the insulating bracket. The drive assembly has a pressing portion for pressing a microswitch, the microswitch being pressed by the pressing portion when the movable contact moves to the closed position, and not in contact with the pressing portion when the movable contact moves to the open position.

[0030] Figure 1 is an explanatory perspective view of the upper half of a contactor according to an exemplary embodiment of the present invention. Figure 2 is an explanatory exploded view of the upper half of a contactor according to an exemplary embodiment of the present invention. Figure 3 is an assembled cross-sectional view of the upper half of a contactor according to an exemplary embodiment of the present invention. Figure 4 is an exploded cross-sectional view of the upper half of a contactor according to an exemplary embodiment of the present invention. Figure 5 is an explanatory perspective view of the insulating bracket 5 and microswitch 6 of the contactor according to an exemplary embodiment of the present invention. Figure 6 is an explanatory perspective view of the microswitch 6 and adapter terminal 7 of the contactor according to an exemplary embodiment of the present invention. Figure 7 is an explanatory exploded view of the microswitch 6 and adapter terminal 7 of the contactor according to an exemplary embodiment of the present invention. Figure 8 is an illustrative perspective view of the microswitch 6 and coil assembly of a contactor according to an exemplary embodiment of the present invention. Figure 9 is an illustrative perspective view of the microswitch 6, coil 30, adapter terminal 7, first lead terminal 8, and second lead terminal 9 of a contactor according to an exemplary embodiment of the present invention.

[0031] As shown in Figures 1 to 9, an exemplary embodiment of the present invention discloses a contactor. The contactor comprises an upper insulating shell 1, a pair of stationary contacts 2, a movable contact 3, a drive assembly 4, an insulating bracket 5, and a microswitch 6. An arc extinguishing chamber 10 is formed in the upper insulating shell 1. The pair of stationary contacts 2 are fixed to the upper insulating shell 1 and extend into the arc extinguishing chamber 10. The movable contact 3 is provided in the arc extinguishing chamber 10 and is movable between a closed position in which it electrically contacts the stationary contacts 2 and an open position in which it is electrically isolated from the stationary contacts 2. The drive assembly 4 is movable in the arc extinguishing chamber 10 and is used to drive the movable contact 3 between the closed and open positions. The insulating bracket 5 is mounted within the arc extinguishing chamber 10 of the upper insulating shell 1, forming a receiving chamber 50 separated from the arc extinguishing chamber 10. The microswitch 6 is mounted in the receiving chamber 50 of the insulating bracket 5. The drive assembly 4 has a pressing portion 41a for pressing the microswitch 6. The microswitch 6 is pressed by the pressing portion 41a when the movable contact 3 moves to the closed position, and the microswitch 6 does not contact the pressing portion 41a when the movable contact 3 moves to the open position.

[0032] As shown in Figures 1 to 9, in an exemplary embodiment of the present invention, the microswitch 6 may be a normally open switch, and when the microswitch 6 is pressed by the pressing portion 41a, the microswitch 6 switches from the open state to the closed state.

[0033] As shown in Figures 1 to 9, in another exemplary embodiment of the present invention, the microswitch 6 may be a normally closed switch, and when the microswitch 6 is pressed by the pressing portion 41a, the microswitch 6 switches from a closed state to an open state.

[0034] As shown in Figures 1 to 9, in the illustrated embodiment, the receiving chamber 50 of the insulating bracket 5 has a mounting opening facing the side wall 11 of the upper insulating shell 1. The microswitch 6 is mounted inside the receiving chamber 50 of the insulating bracket 5 through the mounting opening, and the mounting opening of the receiving chamber 50 is covered by the side wall 11 of the upper insulating shell 1.

[0035] As shown in Figures 1 to 9, in the illustrated embodiment, the contactor further comprises a pair of adapter terminals 7 that are arranged on the insulating bracket 5 and electrically connected to the two connection terminals 61 of the microswitch 6, respectively.

[0036] As shown in Figures 1 to 9, in the illustrated embodiment, the insulating bracket 5 is an injection-molded portion of the pair of adapter terminals 7, and therefore the insulating bracket 5 and the pair of adapter terminals 7 are integrated into a single component.

[0037] As shown in Figures 1 to 9, in the illustrated embodiment, the adapter terminal 7 has a first tongue 71 located at one end, and the connection terminal 61 of the microswitch 6 has a pair of first spring arms 61a, and the first tongue 71 is inserted and clamped between the pair of first spring arms 61a.

[0038] As shown in Figures 1 to 9, in the illustrated embodiment, the contactor further comprises a pair of first lead terminals 8 that are electrically connected to the other ends of the pair of adapter terminals 7, respectively.

[0039] As shown in Figures 1 to 9, in the illustrated embodiment, the adapter terminal 7 has a pair of second spring arms 72 located at the other end, and the first lead terminal 8 has a second tongue 81 located at one end, the second tongue 81 being inserted and clamped between the pair of second spring arms 72.

[0040] As shown in Figures 1 to 9, in the illustrated embodiment, the first lead terminal 8 has a first pin 82 located at the other end, and the first pin 82 is used to electrically connect to a connector (not shown).

[0041] As shown in Figures 1 to 9, in the illustrated embodiment, the contactor further comprises a lower insulating shell (not shown), a coil frame 20, a coil 30, and a pair of second lead terminals 9. The lower insulating shell is assembled together with the upper insulating shell 1. The coil frame 20 is provided on the lower insulating shell. The coil 30 is wound around the coil frame 20. The pair of second lead terminals 9 are electrically connected to the two terminals 30a of the coil 30. The coil frame 20 is an injection-molded portion injected onto the pair of first lead terminals 8 and the pair of second lead terminals 9, and the coil frame 20, the pair of first lead terminals 8, and the pair of second lead terminals 9 are integrated into a single component.

[0042] As shown in Figures 1 to 9, in the illustrated embodiment, the second lead terminal 9 has a second pin 92, and the coil frame 20 also has a mating portion 21 in which a slot 201 is formed. The first pin 82 and the second pin 92 extend into the slot 201 and are electrically connected to a connector that is inserted into the slot 201.

[0043] As shown in Figures 1 to 9, in the illustrated embodiment, the drive assembly 4 includes an insulating seat 41, a drive shaft 42, a limiting bracket 43, and a spring 44. The drive shaft 42 is located below the insulating seat 41 and is fixed to the insulating seat 41. The limiting bracket 43 is located above the insulating seat 41 and is fixed to the insulating seat 41. The spring 44 is attached to the limiting bracket 43 and is compressed axially between the movable contact 3 and the insulating seat 41. The pressing portion 41a is formed in the insulating seat 41 and extends into the receiving chamber 50 of the insulating bracket 5.

[0044] As shown in Figures 1 to 9, in the illustrated embodiment, the insulating seat portion 41 is an injection-molded portion injected into the bottom of the limiting bracket 43 and the upper end of the drive shaft 42, and the insulating seat portion 41, the limiting bracket 43, and the drive shaft 42 are integrated into a single part.

[0045] Figure 10 is a schematic assembly diagram of the microswitch 6 and coil assembly of a contactor according to another exemplary embodiment of the present invention. Figure 11 is an explanatory perspective view of the microswitch 6, adapter terminal 7, first lead terminal 8, and second lead terminal 9 of a contactor according to another exemplary embodiment of the present invention. Figure 12 is an explanatory exploded view of the microswitch 6 and coil assembly of a contactor according to another exemplary embodiment of the present invention.

[0046] The differences between the contactors shown in Figures 10 to 12 and those shown in Figures 1 to 9 lie in the structure of the connection terminals 61 of the microswitch 6, the adapter terminals 7, and the coil assembly.

[0047] As shown in Figures 10 to 12, in the illustrated embodiment, the adapter terminal 7 has a soldering piece 71' located at one end, and the connection terminal 61 of the microswitch 6 is needle-shaped. The connection terminal 61 of the microswitch 6 passes through the soldering piece 71' and is soldered to the soldering piece 71'.

[0048] As shown in Figures 10 to 12, in the illustrated embodiment, the contactor further comprises a lower insulating shell (not shown), a coil frame 20, a coil 30, a pair of second lead terminals 9, and a holder 80. The lower insulating shell is assembled together with the upper insulating shell 1. The coil frame 20 is provided on the lower insulating shell. The coil 30 is wound around the coil frame 20. The pair of second lead terminals 9 are electrically connected to the two terminals 30a of the coil 30, respectively. The holder 80 holds the pair of first lead terminals 8 and is detachably attached to the coil frame 20. The holder 80 is an injection-molded portion of the pair of first lead terminals 8, and therefore the holder 80 and the pair of first lead terminals 8 are a single integrated part. The coil frame 20 is an injection-molded portion of the pair of second lead terminals 9, and the coil frame 20 and the pair of second lead terminals 9 are a single integrated part.

[0049] As shown in Figures 10 to 12, in the illustrated embodiment, a protruding column 20a is formed on the upper part of the coil frame 20, and a mounting hole 80a is formed in the holder 80. The protruding column 20a is inserted into the mounting hole 80a by interference fit, fixing the holder 80 to the upper part of the coil frame 20.

[0050] As shown in Figures 10 to 12, in the illustrated embodiment, the contactor further comprises a mating portion 21 having a slot 201 formed therein. The mating portion 21 is detachably assembled to the coil frame 20. The second lead terminal 9 has a second pin 92, and the first pin 82 and the second pin 92 extend into the slot 201 of the mating portion 21 and are electrically connected to a connector inserted into the slot 201.

[0051] Aside from the differences mentioned above, the other technical features of the contactors shown in Figures 10 to 12 are essentially the same as those of the contactors shown in Figures 1 to 9, and the contactors shown in Figures 1 to 9 can be referenced.

[0052] Those skilled in the art should understand that the embodiments described above are illustrative and not limiting. For example, those skilled in the art can make many modifications to the embodiments without structural or principle contradictions and can freely combine the various features described in different embodiments.

[0053] While several exemplary embodiments have been illustrated and described, it will be understood by those skilled in the art that various modifications or changes can be made to these embodiments without departing from the principles and spirit of this disclosure. The scope of this disclosure is defined in the claims and its equivalents.

[0054] When used herein, elements described in the singular form and preceded by the word "a" or "an" should be understood not to exclude the plural forms of such elements or steps unless it is explicitly stated that such exclusion is to be excluded. Furthermore, references to “one embodiment” of the present invention are not intended to be construed as excluding the existence of additional embodiments that likewise incorporate the described features. Moreover, unless it is expressly stated otherwise, embodiments that “compile” or “have” one or more elements having a particular characteristic may include additional such elements that do not possess that characteristic.

Claims

1. It is a contactor, An upper insulating shell (1) in which an arc extinguishing chamber (10) is formed, A pair of stationary contacts (2) are fixed to the upper insulating shell (1) and extend into the arc extinguishing chamber (10), A movable contact (3) is positioned in the arc extinguishing chamber (10) and is movable between a closed position in which it electrically contacts the stationary contact (2) and an open position in which it is electrically separated from the stationary contact (2). A drive assembly (4) is movable in the arc extinguishing chamber (10), is positioned in the arc extinguishing chamber (10), and is used to drive the movable contact (3) between the closed position and the open position. An insulating bracket (5) is installed inside the arc extinguishing chamber (10) of the upper insulating shell (1) and has a receiving chamber (50) formed in it that is separated from the arc extinguishing chamber (10), A microswitch (6) is attached to the receiving chamber (50) of the insulating bracket (5) and Equipped with, The drive assembly (4) has a pressing portion (41a) for pressing the microswitch (6), and the microswitch (6) is a contactor that is pressed by the pressing portion (41a) when the movable contact (3) moves to the closed position, and does not contact the pressing portion (41a) when the movable contact (3) moves to the open position.

2. The contactor according to claim 1, wherein the microswitch (6) is a normally open switch, and when the microswitch (6) is pressed by the pressing portion (41a), the microswitch (6) switches from an open state to a closed state.

3. The contactor according to claim 1, wherein the microswitch (6) is a normally closed switch, and when the microswitch (6) is pressed by the pressing portion (11a), the microswitch (6) switches from a closed state to an open state.

4. The contactor according to claim 1, wherein the receiving chamber (50) of the insulating bracket (5) has a mounting opening facing the side wall (11) of the upper insulating shell (1), the microswitch (6) is mounted in the receiving chamber (50) of the insulating bracket (5) through the mounting opening, and the mounting opening of the receiving chamber (50) is covered by the side wall (11) of the upper insulating shell (1).

5. The contactor according to claim 1, further comprising a pair of adapter terminals (7) provided on the insulating bracket (5) and electrically connected to the two connection terminals (61) of the microswitch (6).

6. The contactor according to claim 5, wherein the insulating bracket (5) is an injection-molded portion of the pair of adapter terminals (7), and the insulating bracket (5) and the pair of adapter terminals (7) are integrated into a single component.

7. The contactor according to claim 5, wherein the adapter terminal (7) has a first tongue (71) located at one end, the connection terminal (61) of the microswitch (6) has a pair of first spring arms (61a), and the first tongue (71) is inserted between the pair of first spring arms (61a) and clamped.

8. The contactor according to claim 5, wherein the adapter terminal (7) has a welded piece (71') located at one end, the connection terminal (61) of the microswitch (6) is needle-shaped, and the connection terminal (61) of the microswitch (6) passes through the welded piece (71') and is welded to the welded piece (71').

9. The contactor according to claim 5, further comprising a pair of first lead terminals (8) electrically connected to the other ends of the pair of adapter terminals (7).

10. The contactor according to claim 9, wherein the adapter terminal (7) has a pair of second spring arms (72) located at the other end of the adapter terminal (7), and the first lead terminal (8) has a second tongue (81) located at one end, the second tongue (81) being inserted between the pair of second spring arms (72) and clamped.

11. The contactor according to claim 10, wherein the first lead terminal (8) has a first pin (82) located at the other end of the first lead terminal (8), and the first pin (82) is used to electrically connect to a connector.

12. A lower insulating shell assembled together with the upper insulating shell (1), The coil frame (20) provided in the lower insulating shell, A coil (30) is wound around the aforementioned coil frame (20), A pair of second lead terminals (9) are electrically connected to the two terminals (30a) of the coil (30), respectively. Furthermore, The contactor according to claim 11, wherein the coil frame (20) is an injection-molded portion of the pair of first lead terminals (8) and the pair of second lead terminals (9), and therefore the coil frame (20), the pair of first lead terminals (8), and the pair of second lead terminals (9) constitute a single component.

13. The contactor according to claim 12, wherein the second lead terminal (9) has a second pin (92), the coil frame (20) also has a mating portion (21) in which a slot (201) is formed, and the first pin (82) and the second pin (92) extend into the slot (201) and are electrically connected to the connector inserted into the slot (201).

14. A lower insulating shell assembled together with the upper insulating shell (1), The coil frame (20) provided in the lower insulating shell, A coil (30) is wound around the aforementioned coil frame (20), A pair of second lead terminals (9) are electrically connected to the two terminals (30a) of the coil (30), A holder (80) that holds the pair of first lead terminals (8) and is attached to the coil frame (20) and Furthermore, The retainer (80) is an injection-molded portion of the pair of first lead terminals (8), and therefore the retainer (80) and the pair of first lead terminals (8) are an integrated part. The contactor according to claim 11, wherein the coil frame (20) is an injection-molded portion injected onto the pair of second lead terminals (9), and therefore the coil frame (20) and the pair of second lead terminals (9) form an integrated component.

15. The contactor according to claim 14, wherein a protruding column (20a) is formed on the upper part of the coil frame (20), a mounting hole (80a) is formed in the holder (80), and the protruding column (20a) is inserted into the mounting hole (80a) by interference fit to fix the holder (80) to the upper part of the coil frame (20).

16. A slot (201) is formed and further comprises a fitting portion (21) that is assembled to the coil frame (20), The contactor according to claim 14, wherein the second lead terminal (9) has a second pin (92), and the first pin (82) and the second pin (92) extend into the slot (201) of the mating portion (21) and are electrically connected to the connector inserted into the slot (201).

17. The drive assembly (4) is Insulating seat portion (41) and A drive shaft (42) is located below the insulating seat portion (41) and fixed to the insulating seat portion (41), A limiting bracket (43) is located above the insulating seat portion (41) and fixed to the insulating seat portion (41), A spring (44) is attached to the limiting bracket (43) and is compressed axially between the movable contact (3) and the insulating seat portion (41). Equipped with, The contactor according to any one of claims 1 to 16, wherein the pressing portion (41a) is formed in the insulating seat portion (41) and extends into the receiving chamber (50) of the insulating bracket (5).

18. The contactor according to claim 17, wherein the insulating seat portion (41) is an injection-molded portion at the bottom of the limiting bracket (43) and the upper end of the drive shaft (42), and therefore the insulating seat portion (41), the limiting bracket (43), and the drive shaft (42) are integrated into a single component.

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