Relay

Abstract

The invention relates to a relay which comprises a coil frame and a static spring terminal. The coil rack is provided with a slot and a first blind hole, the slot is provided with an insertion port, and the first blind hole is arranged in the slot. The static spring terminal is arranged in the slot through the insertion port, a gap is formed between the static spring terminal and slot side walls on two sides of the slot along the insertion direction of the static spring terminal, the static spring terminal is provided with a first insertion part, and the first insertion part is in interference fit with the first blind hole. As the gap is formed between the static spring terminal and the slot side wall of the slot, plastic scraps caused by contact friction between the static spring terminal and the slot side wall of the slot in the assembling process can be avoided, and the contact reliability of the relay contact is ensured. The first plugging part of the static spring terminal is in interference fit with the first blind hole, so that the first blind hole can accommodate plastic chips generated by contact friction between the first plugging part and the hole wall of the first blind hole, and the plastic chips are prevented from falling into the relay shell.

Description

Technical Field

[0001] The present application relates to the field of electrical technology, and in particular to a relay. Background Art

[0002] A relay is an electronic control device that has a control system (also known as an input circuit) and a controlled system (also known as an output circuit). It is usually used in automatic control circuits, where it plays the role of automatic regulation, safety protection, and conversion circuits.

[0003] The relay includes a static spring for connecting the load, and the static spring is usually inserted into a support, which can be a coil frame, a base or other supporting structure. However, during the insertion process, the static spring will rub against the support and produce debris, and the debris will fall on the contact point and affect the reliability of the contact point. Summary of the invention

[0004] Based on this, it is necessary to provide a relay to ensure the reliability of contact.

[0005] A relay, comprising:

[0006] A coil frame, wherein the coil frame is provided with a slot and a first blind hole, the slot has an insertion opening, and the first blind hole is provided in the slot; and

[0007] A static spring terminal, wherein the static spring terminal is arranged in the slot through the insertion port, and a gap is provided between the static spring terminal and the slot side walls on both sides along the insertion direction of the static spring terminal, and the static spring terminal is provided with a first plug-in portion, and the first plug-in portion is interference fit with the first blind hole.

[0008] In one embodiment, the slot has a first slot side wall, the first slot side wall is arranged opposite to the insertion port, the first blind hole is arranged on the first slot side wall, and the first plug-in portion is arranged on the side of the static spring terminal facing the first slot side wall.

[0009] In one embodiment, the slot further has a second slot side wall, the second slot side wall is located between the first slot side wall and the insertion port and connected to the first slot side wall, and there is a gap between the second slot side wall and the static spring terminal.

[0010] In one of the embodiments, a sidewall of the second slot close to the insertion opening is provided with an avoidance notch.

[0011] In one embodiment, the slot also has a slot and a slot bottom wall opposite to the slot, the first slot side wall and the second slot side wall are both arranged between the slot and the slot bottom wall and connected to the slot bottom wall; in the direction from the slot bottom wall toward the slot, the second slot side wall is located on one side of the insertion port and is inclined toward the direction close to the first slot side wall to form the avoidance gap.

[0012] In one embodiment, the slot also has a slot and a slot bottom wall opposite to the slot, the first slot side wall and the second slot side wall are both arranged between the slot and the slot bottom wall and connected to the slot bottom wall; the static spring terminal includes a mounting section and a lead-out pin, the mounting section and the lead-out pin are connected to form an L shape, the mounting section is arranged on the slot bottom wall, the mounting section is provided with a static contact, the lead-out pin extends from the slot bottom wall to the slot, one end of the lead-out pin away from the mounting section extends out through the slot of the slot, there is a gap between the lead-out pin and the slot side walls on both sides of the slot along the insertion direction of the static spring terminal, and the first plug-in portion is arranged on the lead-out pin.

[0013] In one embodiment, the coil frame includes a winding frame and a flange portion connected to the winding frame, and the flange portion is provided with a second blind hole; the mounting section is provided with a second plug-in portion, and the second plug-in portion is interference fit with the second blind hole.

[0014] In one embodiment, the relay further comprises a moving reed, a moving contact is disposed at a first end of the moving reed, and the moving contact is disposed opposite to the static contact.

[0015] In one embodiment, the coil frame also includes an insulating baffle, which is arranged opposite to the side wall of the second slot and connected to the side wall of the first slot, and there is a gap between the insulating baffle and the static spring terminal, and the insulating baffle is arranged between the lead-out pin and the first end of the moving spring sheet.

[0016] In one of the embodiments, there is an escape interval between the insulating baffle and the flange portion, the mounting section is penetrated through the escape interval, and there is a gap between the mounting section and the insulating baffle.

[0017] In one of the embodiments, there are two slots, which are respectively located on opposite sides of the flange portion; there are two static spring terminals, which are respectively arranged in the two slots in a one-to-one correspondence; there are two moving contacts, which are both arranged at the first end of the moving spring piece, and the two moving contacts are respectively arranged opposite to the two static contacts.

[0018] In one of the embodiments, the flange portion is provided with an insulating rib, and the insulating rib is provided between the mounting sections of the two static spring terminals.

[0019] In one of the embodiments, the first end of the movable spring piece bridges two movable contacts, and the first end of the movable spring piece is further provided with a conductive member, and the two movable contacts are both connected to the conductive member.

[0020] In one embodiment, two insulating baffles are provided, and the two insulating baffles correspond to the two slots one by one respectively; the coil frame also includes a connecting portion, the connecting portion is arranged opposite to the flange portion, and the opposite sides of the connecting portion are connected to the two insulating baffles one by one respectively, and the connecting portion and the two insulating baffles are surrounded by a receiving groove, and the static contact and the moving contact are both arranged in the receiving groove.

[0021] In one of the embodiments, a positioning rib is provided on one side of the connecting portion facing the flange portion, the positioning rib is integrally formed with the connecting portion, and the positioning rib is positioned and matched with the first end of the movable spring.

[0022] In one embodiment, the relay further includes a shell and a cover body, the shell having a receiving cavity and an opening connected to the receiving cavity, the coil frame and the static spring terminal are arranged in the receiving cavity, the cover body is arranged at the opening, the cover body is provided with a through hole, one end of the static spring terminal passes through the through hole, the gap between the lead pin and the hole wall of the through hole is smaller than the gap between the static spring terminal and the groove side wall of the slot, and the lead pin is fixed to the hole wall of the through hole by glue.

[0023] When assembling the above-mentioned relay, the static spring terminal is arranged opposite to the insertion port, and then the static spring terminal is pushed into the slot until the first plug-in portion and the first blind hole are interference-fitted, so that the static spring terminal is assembled to the coil frame. Since there is a gap between the static spring terminal and the slot side walls on both sides of the slot along the insertion direction of the static spring terminal, it is possible to avoid the static spring terminal from contacting and rubbing with the slot side walls of the slot during the assembly process to generate plastic debris, thereby ensuring the reliability of the contact of the relay contacts. Since the first plug-in portion of the static spring terminal and the first blind hole are interference-fitted, the first blind hole can receive the plastic debris generated by the contact and friction between the first plug-in portion and the hole wall of the first blind hole, thereby preventing the plastic debris from falling into the relay housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] FIG. 1 is a schematic structural diagram of a relay according to an embodiment of the present application.

[0025] FIG2 is a schematic diagram of the structure of the coil frame, the static spring component, the dynamic spring component and the cover body after being assembled according to an embodiment of the present application.

[0026] FIG. 3 is a schematic structural diagram of the coil frame shown in FIG. 2 .

[0027] FIG. 4 is a front view of the assembled coil frame, static spring component and dynamic spring component shown in FIG. 2 .

[0028] FIG. 5 is a cross-sectional view along AA in FIG. 4 .

[0029] FIG6 is a top view of the assembled coil frame, static spring component, dynamic spring component and cover body according to an embodiment of the present application.

[0030] FIG. 7 is a cross-sectional view along line BB in FIG. 6 .

[0031] FIG8 is a schematic diagram of the structure of a static spring component and a dynamic spring component when they cooperate with each other according to an embodiment of the present application.

[0032] FIG. 9 is a schematic structural diagram of a static spring terminal according to an embodiment of the present application.

[0033] FIG. 10 is a schematic structural diagram of a movable spring according to an embodiment of the present application.

[0034] Description of Figure Numbers:

[0035] 10. Coil frame; 11. Winding frame; 12. Mounting frame; 121. Slot; 1211. First slot side wall; 12111. First blind hole; 1212. Second slot side wall; 12121. Avoidance gap; 1213. Insertion port; 1214. Slot bottom wall; 1215. Slot; 122. Flange; 1221. Second blind hole; 1222. Insulating rib; 1223. Perforation; 123. Insulating baffle; 1231. Avoidance interval; 124. Connecting portion ;1241, positioning rib;20, static spring component;21, static spring terminal;211, lead pin;2111, first plug-in portion;212, mounting section;2121, second plug-in portion;22, static contact;30, dynamic spring component;31, dynamic spring piece;311, first end;3111, first mounting hole;32, dynamic contact;33, conductive member;331, second mounting hole;40, iron core;50, shell;51, housing;52, cover;521, through hole. DETAILED DESCRIPTION

[0036] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0037] 1 and 2 , a relay provided in an embodiment of the present application is a flip-chip type relay. The relay includes a coil frame 10 and a static spring component 20. The coil frame 10 is made of plastic.

[0038] Further, referring to Figures 2 and 3, the coil frame 10 includes a winding frame 11 and a mounting frame 12. The winding frame 11 is provided with a receiving cavity extending along its axial direction, the iron core 40 is arranged in the receiving cavity, and the coil is wound on the outer surface of the winding frame 11. The mounting frame 12 is arranged at one end of the axial direction of the winding frame 11 and is surrounded by the winding frame 11 to form a winding window, and the static spring component 20 is arranged on the mounting frame 12.

[0039] In one embodiment, referring to Fig. 2 and Fig. 3, the mounting frame 12 is provided with a slot 121, and the slot 121 has an insertion opening 1213. The static spring component 20 includes a static spring terminal 21, and the static spring terminal 21 is arranged in the slot 121 through the insertion opening 1213, and there is a gap between the static spring terminal 21 and the slot sidewalls on both sides of the slot 121 along the insertion direction of the static spring terminal 21.

[0040] 2, 4 and 5, the mounting frame 12 is further provided with a first blind hole 12111, and the first blind hole 12111 is located in the slot 121. The static spring terminal 21 is provided with a first plug-in portion 2111, and the first plug-in portion 2111 is disposed in the first blind hole 12111 and is interference-fitted with the first blind hole 12111.

[0041] During assembly, the static spring terminal 21 is arranged opposite to the insertion port 1213, and then the static spring terminal 21 is pushed into the slot 121 until the first plug-in portion 2111 and the first blind hole 12111 are interference-fitted, so that the static spring terminal 21 is assembled to the coil frame 10. Since there is a gap between the static spring terminal 21 and the slot side walls on both sides of the slot 121 along the insertion direction of the static spring terminal 21, it is possible to avoid the static spring terminal 21 from contacting and rubbing with the slot side walls of the slot 121 during assembly to generate plastic debris, thereby ensuring the reliability of the contact of the relay contacts. Since the first plug-in portion 2111 of the static spring terminal 21 and the first blind hole 12111 are interference-fitted, the first blind hole 12111 can receive the plastic debris generated by the contact and friction between the first plug-in portion 2111 and the hole wall of the first blind hole 12111, thereby preventing the plastic debris from falling into the relay housing 51.

[0042] In one embodiment, referring to FIG. 3 , the slot 121 has a slot 1215 and a slot bottom wall 1214 opposite to the slot 1215. It should be noted that the slot bottom wall 1214 is located on the side of the slot 121 close to the winding frame 11, and the slot 1215 is located on the side of the slot 121 away from the winding frame 11. In one embodiment, referring to FIG. 2 , FIG. 3 and FIG. 9 , the static spring terminal 21 includes a mounting section 212 and a lead pin 211, and the mounting section 212 is connected with the lead pin 211 to form an L shape. The mounting section 212 is disposed on the slot bottom wall 1214. The lead pin 211 is disposed in the slot 121 and extends from the slot bottom wall 1214 to the slot 1215, and one end of the lead pin 211 away from the mounting section 212 extends through the slot 1215. In this way, the end of the lead pin 211 extending out of the slot 121 can be connected to other electrical components.

[0043] Specifically, there is a gap between the lead pin 211 and the slot sidewalls on both sides of the slot 121 along the insertion direction of the static spring terminal 21. In this way, the lead pin 211 can be prevented from contacting and rubbing with the slot sidewalls of the slot 121 during the assembly process to generate plastic debris, thereby ensuring the reliability of the contact of the relay contacts.

[0044] Specifically, referring to Fig. 9, the first plug-in portion 2111 is disposed on the lead pin 211. In this way, the static spring terminal 21 is conveniently interference-fitted with the first blind hole 12111.

[0045] In one embodiment, referring to Fig. 2, the static spring component 20 further includes a static contact 22, and the static contact 22 is disposed at the mounting section 212. Thus, the mounting section 212 provides a mounting position for the static contact 22, and the static contact 22 is conveniently mounted.

[0046] In one embodiment, referring to FIG3 , the mounting frame 12 includes a flange portion 122. The flange portion 122 is disposed at one axial end of the winding frame 11 and is connected to the winding frame 11 to form a winding window. The flange portion 122 is provided with a second blind hole 1221. It should be noted that part of the flange portion 122 is the groove bottom wall 1214.

[0047] Specifically, referring to FIG. 2 and FIG. 3 , the flange portion 122 is provided with a through hole 1223, and the iron core 40 is provided in the through hole 1223. The second blind hole 1221 is provided between the iron core 40 and the static spring terminal 21. Further, referring to FIG. 2 and FIG. 9 , the static spring terminal 21 is also provided with a second plug-in portion 2121. Specifically, the second plug-in portion 2121 is provided on the side of the mounting section 212 facing the second blind hole 1221. The second plug-in portion 2121 is provided in the second blind hole 1221 and is interference fit with the second blind hole 1221. In this way, the insertion strength of the static spring terminal 21 and the coil frame 10 can be further improved, and the insertion height consistency of the static spring terminal 21 is ensured, that is, the product parameter consistency is high, and at the same time, the static spring terminal 21 can be prevented from being separated from the coil frame 10. In addition, the first plug-in portion 2111 is disposed on the lead pin 211, and the second plug-in portion 2121 is located at the mounting section 212. Compared with the first plug-in portion 2111 and the second plug-in portion 2121 being arranged in the same straight line, there is no need to increase the height of the static spring terminal 21, thereby achieving a low height and reducing costs.

[0048] In one embodiment, referring to FIG. 3 , the slot 121 has a first slot side wall 1211. The first slot side wall 1211 is disposed between the slot opening 1215 and the slot bottom wall 1214, and is connected to the slot bottom wall 1214. The first slot side wall 1211 is disposed opposite to the insertion opening 1213, and the first blind hole 12111 is disposed on the first slot side wall 1211. The first plug-in portion 2111 is disposed on the side of the static spring terminal 21 facing the first slot side wall 1211. During assembly, the static spring terminal 21 is pushed toward the first slot side wall 1211 until the first plug-in portion 2111 and the first blind hole 12111 are interference-fitted. In this way, the static spring terminal 21 is easily assembled, and the assembly efficiency of the static spring terminal 21 is improved. In addition, the first slot side wall 1211 is better utilized, the cost is reduced, and the structure is compact.

[0049] In one embodiment, referring to FIG. 3 , the slot 121 further has a second slot side wall 1212. It should be noted that the second slot side wall 1212 is an outer slot side wall of the mounting frame 12. The second slot side wall 1212 is located between the slot opening 1215 and the slot bottom wall 1214, and is connected to the slot bottom wall 1214. The second slot side wall 1212 is also located between the first slot side wall 1211 and the insertion opening 1213, and is connected to the first slot side wall 1211. By providing the second slot side wall 1212, it is possible to avoid a reduction in the withstand voltage between the coil and the static spring terminal 21, and it is also possible to avoid the flange portion 122 from being weakened and deformed toward the winding window, thereby preventing the enameled wire of the coil from being scratched and broken by the flange portion 122 during the winding process.

[0050] During the plastic forming process of the coil frame 10, the side of the second slot side wall 1212 close to the insertion opening 1213 is prone to inward deformation, so in this embodiment, referring to FIG. 2 , a relief notch 12121 is provided on the side of the second slot side wall 1212 close to the insertion opening 1213. In this way, the side of the second slot side wall 1212 close to the insertion opening 1213 can be prevented from contacting and rubbing with the static spring terminal 21 due to inward deformation to generate plastic debris, thereby ensuring the reliability of the contact of the relay contacts.

[0051] Optionally, referring to Figures 2 and 3, in the direction from the groove bottom wall 1214 toward the groove opening 1215, the side of the second groove side wall 1212 close to the insertion opening 1213 is inclined toward the direction close to the first groove side wall 1211 to form an avoidance gap 12121 on the side of the second groove side wall 1212 close to the insertion opening 1213.

[0052] It is understandable that the side of the second slot side wall 1212 close to the insertion port 1213 is removed by inverted triangle, which can avoid the side of the second slot side wall 1212 close to the insertion port 1213 from deforming inward and rubbing against the static spring terminal 21 to produce plastic debris, thereby ensuring the reliability of the relay contact.

[0053] In one embodiment, referring to FIG. 4 and FIG. 8 , the relay further includes a moving spring component 30. The moving spring component 30 includes a moving spring piece 31 and a moving contact 32, and the first end 311 of the moving spring piece 31 is arranged corresponding to the mounting section 212 of the static spring terminal 21. The moving contact 32 is arranged at the first end 311 of the moving spring piece 31, and the moving contact 32 is arranged opposite to the static contact 22. In this way, under the action of the armature, the moving spring component 30 moves, so that the moving contact 32 contacts or disconnects with the static contact 22, thereby achieving the purpose of conducting or disconnecting the circuit.

[0054] In one embodiment, referring to FIG. 2 and FIG. 3 , the coil frame 10 further includes an insulating baffle 123. The insulating baffle 123 is disposed between the lead pin 211 of the static spring terminal 21 and the first end 311 of the moving spring piece 31, and the insulating baffle 123 is connected to the first slot side wall 1211. In this way, the insulating baffle 123 plays an insulating isolation role between the lead pin 211 of the static spring terminal 21 and the first end 311 of the moving spring piece 31, thereby increasing the insulation between the static spring terminal 21 and the moving spring piece 31.

[0055] Further, referring to FIG3 , the insulating baffle 123 is disposed opposite to the second slot side wall 1212 and connected to the first slot side wall 1211. The insulating baffle 123, the first slot side wall 1211, the second slot side wall 1212 and the slot bottom wall 1214 are arranged to form a slot 121 having an insertion opening 1213 and a notch 1215. It is understandable that there is a gap between the lead pin 211 and the insulating baffle 123 and the second slot side wall 1212, so that the static spring terminal 21 can be prevented from contacting and rubbing with the insulating baffle 123 and the second slot side wall 1212 during assembly to generate plastic debris, thereby ensuring the reliability of the contact between the static contact 22 and the moving contact 32.

[0056] In one embodiment, referring to Figures 2 and 3, there is an escape gap 1231 between the insulating baffle 123 and the flange portion 122, and the mounting section 212 is arranged through the escape gap 1231. It can be understood that the end of the mounting section 212 away from the lead pin 211 is arranged on the side of the insulating baffle 123 away from the lead pin 211 through the escape gap 1231.

[0057] 4 , there is a gap between the mounting section 212 and the insulating baffle 123. In this way, the mounting section 212 can avoid contact and friction with the insulating baffle 123 during assembly to generate plastic debris, thereby ensuring the stability of the contact between the static contact 22 and the moving contact 32.

[0058] In one embodiment, referring to Fig. 3, two slots 121 are provided, and the two slots 121 are respectively provided on opposite sides of the mounting frame 12. Referring to Fig. 2, two static spring components 20 are provided, and the static spring terminals 21 of the two static spring components 20 are respectively provided in the two slots 121 in a one-to-one correspondence.

[0059] Specifically, referring to FIG. 3 , the second slot side walls 1212 of the two slots 121 are respectively disposed on opposite sides of the flange portion 122, and the first slot side walls 1211 of the two slots 121 extend from their corresponding second slot side walls 1212 toward the second slot side wall 1212 of the other slot 121. Two insulating baffles 123 are provided, and the two insulating baffles 123 are respectively disposed opposite to the two second slot side walls 1212 to enclose and form two slots 121.

[0060] Further, referring to FIG. 4 , the first end 311 of the moving spring piece 31 is disposed between the two static spring terminals 21. Specifically, the first end 311 of the moving spring piece 31 is disposed between the lead pins 211 of the two static spring terminals 21. Two moving contacts 32 are provided, and both moving contacts 32 are disposed at the first end 311 of the moving spring piece 31. The two moving contacts 32 are disposed opposite to the static contacts 22 of the two static spring terminals 21, respectively. In this way, the relay has a double-contact structure.

[0061] In one embodiment, referring to FIG. 2 and FIG. 3 , two second blind holes 1221 are provided, and the second plug-in portions 2121 of the two static spring terminals 21 are respectively provided in the two second blind holes 1221 in a one-to-one correspondence. In this way, on the one hand, the firmness of the static spring terminal 21 and the coil frame 10 can be ensured, and on the other hand, the consistency of the static spring assembly insertion height can be ensured, that is, the consistency of the relay parameters can be ensured.

[0062] In one embodiment, referring to Figures 2 and 3, the flange portion 122 is provided with an insulating rib 1222, and the insulating rib 1222 is provided between the mounting sections 212 of the two static spring components 20. In this way, the insulating rib 1222 plays an insulating role between the two static spring components 20, ensuring the insulation between the two static spring components 20.

[0063] Further, referring to Fig. 3, the insulating rib 1222 is connected to one end of the two insulating baffles 123 close to the flange portion 122. In this way, the strength of the coil frame 10 can be increased, thereby improving the consistency of the insertion height of the two static spring components 20.

[0064] In one embodiment, referring to FIG. 2 and FIG. 3 , the coil frame 10 further includes a connecting portion 124. The connecting portion 124 is disposed opposite to the flange portion 122, and opposite sides of the connecting portion 124 are respectively connected to two insulating baffles 123 in a one-to-one correspondence. In this way, the strength of the coil frame 10 can be increased, thereby improving the consistency of the insertion height of the two static spring components 20.

[0065] Further, referring to FIG. 2 and FIG. 3 , the connecting portion 124 and the two insulating baffles 123 are arranged to form a receiving groove, and the static contact 22 and the moving contact 32 are both arranged in the receiving groove.

[0066] In one embodiment, referring to FIG. 2 and FIG. 3 , a positioning rib 1241 is provided on one side of the connection portion 124 facing the flange portion 122, and the positioning rib 1241 is positioned and matched with the first end 311 of the moving spring piece 31. Optionally, the positioning rib 1241 is integrally formed with the connection portion 124. In this way, there is no need to insert a positioning piece into the coil frame 10, which can avoid plastic debris caused by the insertion of the positioning piece, ensure the reliability of the contact between the static contact 22 and the moving contact 32, and reduce the number of components such as positioning pieces, thereby reducing costs. In addition, the positioning rib 1241 can also improve the glue flow of the weld mark, thereby increasing the strength of the coil here.

[0067] In one embodiment, referring to Fig. 8, the first end 311 of the moving spring piece 31 bridges the two moving contacts 32. The first end 311 of the moving spring piece 31 is located between the lead pins 211 of the two static spring terminals 21. The magnetic field generated by the current passing through the lead pins 211 generates a force toward the static contact 22 on the bridge structure of the first end 311 of the moving spring piece 31, which can resist the electromotive repulsion and prevent the moving contact 32 from bouncing.

[0068] Further, referring to FIG8 , the movable spring component 30 further includes a conductive member 33. Optionally, the conductive member 33 is a conductive sheet. The conductive member 33 is disposed at the first end 311 of the movable spring sheet 31, and both movable contacts 32 are connected to the conductive member 33. By arranging the conductive member 33 at the first end 311 of the movable spring sheet 31, the large current carrying requirement can be met. The movable spring component 30 cooperates with the two static spring components 20 to form a bridging structure, which can meet the requirements of large contact gap and high withstand voltage between disconnected contacts, and can also meet the requirements of short-circuit current resistance.

[0069] Further, referring to Fig. 8 and Fig. 10, the first end 311 of the movable spring piece 31 is provided with two first mounting holes 3111, and the conductive member 33 is provided with two second mounting holes 331, and the two first mounting holes 3111 are connected to the two second mounting holes 331 in a one-to-one correspondence. One of the movable contacts 32 is provided in one of the first mounting holes 3111 and the second mounting hole 331 connected to the first mounting hole 3111, and the other movable contact 32 is provided in the other first mounting hole 3111 and the second mounting hole 331 connected to the first mounting hole 3111. In this way, the assembly of the movable spring piece 31, the movable contact 32 and the conductive member 33 is realized.

[0070] In one embodiment, referring to Figures 1 and 2, the relay further comprises a housing 50. The coil frame 10, the static spring component 20 and the dynamic spring component 30 are all disposed in the housing 50. Thus, the housing 50 can play a protective role and effectively prolong the service life of the relay.

[0071] Further, referring to FIG. 1 and FIG. 2 , the housing 50 includes a shell 51 and a cover 52. The shell 51 has a receiving cavity and an opening connected to the receiving cavity. The coil frame 10, the static spring component 20 and the movable spring component 30 are arranged in the receiving cavity through the opening, and the cover 52 is arranged in the opening. During installation, the coil frame 10, the static spring component 20 and the movable spring component 30 are arranged in the receiving cavity, and then the cover 52 is arranged in the opening to achieve plastic sealing and fixing. In this way, the shell 51 and the cover 52 cooperate to protect the coil frame 10, the static spring component 20 and the movable spring component 30, etc., prevent external substances from entering the receiving cavity, and ensure the performance and service life of the relay.

[0072] Further, referring to FIG. 1 , FIG. 6 and FIG. 7 , the cover body 52 is provided with a through hole 521, and one end of the lead pin 211 away from the mounting section 212 passes through the through hole 521, and the lead pin 211 is fixed to the hole wall of the through hole 521 by glue. In this way, the lead pin 211 and the cover body 52 are fixed by glue dispensing, thereby improving the reliability of the static spring terminal 21. Since the slot width of the slot 121 is large, glue seepage is prone to occur. Therefore, in this embodiment, the lead pin 211 and the cover body 52 are connected by glue dispensing, which can avoid the risk of glue penetrating through the slot 121 to the static contact 22 and the moving contact 32, thereby preventing the static contact 22 and the moving contact 32 from being conductive.

[0073] In one embodiment, the gap between the lead pin 211 and the hole wall of the through hole 521 is smaller than the gap between the static spring terminal 21 and the slot side wall of the slot 121. In this way, glue overflow can be prevented during the glue fixing process.

[0074] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0075] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0076] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0077] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0078] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0079] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A relay, characterized in that: include: A coil frame, wherein the coil frame is provided with a slot and a first blind hole, the slot has an insertion opening, and the first blind hole is provided in the slot; as well as A static spring terminal, wherein the static spring terminal is arranged in the slot through the insertion port, and a gap is provided between the static spring terminal and the slot side walls on both sides along the insertion direction of the static spring terminal, and the static spring terminal is provided with a first plug-in portion, and the first plug-in portion is interference fit with the first blind hole.

2. The relay according to claim 1, characterized in that: The slot has a first slot side wall, the first slot side wall is arranged opposite to the insertion port, the first blind hole is arranged on the first slot side wall, and the first plug-in portion is arranged on a side of the static spring terminal facing the first slot side wall.

3. The relay according to claim 2, characterized in that: The slot further comprises a second slot side wall, which is located between the first slot side wall and the insertion port and connected to the first slot side wall, and a gap is provided between the second slot side wall and the static spring terminal.

4. The relay according to claim 3, characterized in that: A side of the second groove side wall close to the insertion opening is provided with an avoidance notch.

5. The relay according to claim 4, characterized in that: The slot also has a slot opening and a slot bottom wall opposite to the slot opening, and the first slot side wall and the second slot side wall are both arranged between the slot opening and the slot bottom wall and connected to the slot bottom wall; In a direction from the groove bottom wall toward the groove opening, the second groove side wall is located at a side of the insertion opening and is inclined toward a direction close to the first groove side wall to form the avoidance gap.

6. The relay according to claim 3, characterized in that: The slot also has a slot opening and a slot bottom wall opposite to the slot opening, and the first slot side wall and the second slot side wall are both arranged between the slot opening and the slot bottom wall and connected to the slot bottom wall; The static spring terminal includes a mounting section and a lead-out pin, the mounting section and the lead-out pin are connected to form an L shape, the mounting section is arranged on the bottom wall of the slot, the mounting section is provided with a static contact, the lead-out pin extends from the bottom wall of the slot to the slot opening, one end of the lead-out pin away from the mounting section extends out through the slot opening, a gap is provided between the lead-out pin and the slot side walls on both sides of the insertion direction of the lead-out pin, and the first plug-in portion is arranged on the lead-out pin.

7. The relay according to claim 6, characterized in that: The coil frame includes a winding frame and a flange portion connected to the winding frame, and the flange portion is provided with a second blind hole; The installation section is provided with a second plug-in portion, and the second plug-in portion is interference-fitted with the second blind hole.

8. The relay according to claim 7, characterized in that: The relay further comprises a moving reed, a moving contact is arranged at a first end of the moving reed, and the moving contact is arranged opposite to the static contact.

9. The relay according to claim 8, characterized in that: The coil frame also includes an insulating baffle, which is arranged opposite to the second slot side wall and connected to the first slot side wall, and there is a gap between the insulating baffle and the static spring terminal, and the insulating baffle is arranged between the lead pin and the first end of the moving spring piece.

10. The relay according to claim 9, characterized in that: There is an escape interval between the insulating baffle and the flange portion, the mounting section is penetrated through the escape interval, and there is a gap between the mounting section and the insulating baffle.

11. The relay according to claim 8, characterized in that: There are two slots, which are located at two opposite sides of the flange portion, and there are two static spring terminals, which are arranged in the two slots in a one-to-one correspondence. There are two moving contacts, both of which are arranged at the first end of the moving spring piece, and the two moving contacts are arranged opposite to the two static contacts one by one.

12. The relay according to claim 11, characterized in that: The flange portion is provided with an insulating rib, and the insulating rib is arranged between the mounting sections of the two static spring terminals.

13. The relay according to claim 11, characterized in that: The first end of the movable spring piece bridges the two movable contacts. The first end of the movable spring piece is also provided with a conductive member, and the two movable contacts are both connected to the conductive member.

14. The relay according to claim 9, characterized in that There are two insulating baffles, and the two insulating baffles correspond to the two slots one by one respectively; The coil frame also includes a connecting portion, which is arranged opposite to the flange portion, and the opposite sides of the connecting portion are respectively connected to the two insulating baffles one by one, and the connecting portion and the two insulating baffles are surrounded by a receiving groove, and the static contact and the moving contact are both arranged in the receiving groove.

15. The relay according to claim 14, characterized in that: A positioning rib is provided on one side of the connecting portion facing the flange portion. The positioning rib is integrally formed with the connecting portion, and the positioning rib is positioned and matched with the first end of the movable spring piece.

16. The relay according to any one of claims 6 to 15, characterized in that: The relay also includes a shell and a cover body, the shell has a receiving cavity and an opening connected to the receiving cavity, the coil frame and the static spring terminal are arranged in the receiving cavity, the cover body is arranged at the opening, the cover body is provided with a through hole, one end of the static spring terminal passes through the through hole, the gap between the lead pin and the hole wall of the through hole is smaller than the gap between the static spring terminal and the groove side wall of the slot, and the lead pin is fixed to the hole wall of the through hole by glue.

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