Mounting seat and relay

Abstract

The utility model relates to the technical field of electronic control devices, and relates to a mounting seat and a relay. The mounting seat comprises a base and an isolation plate group which are integrally formed, the base is provided with a first mounting groove and a second mounting groove, the first mounting groove is used for mounting a yoke and a permanent magnet, and the second mounting groove is used for mounting a coil; the separation plate group comprises a first separation plate, the first mounting groove and the second mounting groove are separated through the first separation plate, and an opening of the first mounting groove and an opening of the second mounting groove are located in the two opposite sides of the base in the first direction; the base is also provided with a third mounting groove for mounting the contact part, and the third mounting groove is formed in at least one side of the second mounting groove along the second direction; the separation plate set further comprises a second separation plate, and the second separation plate is located between the third installation groove and the second installation groove so as to separate the second installation groove from the third installation groove. The mounting seat is of an integrated structure, so that the number of parts can be reduced, assembling procedures are saved, the assembling difficulty of the relay is reduced, and the assembling efficiency and the assembling effect are improved.

Description

Mounting base and relay Technical Field

[0001] This utility model relates to the field of electronic control device technology, and more specifically, to a mounting base and a relay. Background Technology

[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), and is commonly used in automatic control circuits. Essentially, a relay is an "automatic switch" that uses a smaller current to control a larger current. Therefore, it plays a role in automatic adjustment, safety protection, and circuit switching in circuits.

[0003] A relay mainly consists of a magnetic circuit assembly, a coil assembly, and contact parts. Existing technology uses a base and frame to install these components. During installation, it's necessary to consider not only the assembly between the components and the base and frame, but also the assembly between the base and frame themselves. This makes the installation process complex, affecting installation efficiency and effectiveness. Summary of the Invention

[0004] This utility model provides a mounting base and a relay. The mounting base is an integrated structure, which can reduce the number of parts, save assembly steps, reduce the assembly difficulty of the relay, and improve assembly efficiency and assembly effect.

[0005] This utility model embodiment provides a mounting base, including: an integrally formed base and an isolation plate assembly. The base is provided with a first mounting groove and a second mounting groove. The first mounting groove is used to install a yoke and a permanent magnet, and the second mounting groove is used to install a coil. The isolation plate assembly includes a first partition. The first mounting groove and the second mounting groove are separated by the first partition and are independent of each other. The openings of the first mounting groove and the second mounting groove are located on opposite sides of the base along a first direction.

[0006] The base is further provided with a third mounting groove for mounting the contact portion, the third mounting groove being positioned along a second direction on at least one side of the second mounting groove; the isolation plate assembly further includes a second partition, the second partition being connected to the base and extending away from the base in the first direction, the second partition being located between the third mounting groove and the second mounting groove to separate the second mounting groove and the third mounting groove, the second direction being perpendicular to the first direction.

[0007] According to some embodiments of the present invention, the first mounting slot includes two first sub-mounting slots and one second sub-mounting slot. The two first sub-mounting slots are spaced apart along the second direction, and each first sub-mounting slot is used to mount a yoke iron. The second sub-mounting slot is used to mount a permanent magnet, and the second sub-mounting slot is placed between the two first sub-mounting slots and communicates with at least one first sub-mounting slot.

[0008] According to some embodiments of the present invention, the inner wall of the first sub-mounting groove is provided with a first protrusion protruding along the second direction. The first protrusion is used to abut against the side of the yoke to limit the position of the yoke in the second direction.

[0009] According to some embodiments of the present invention, the base is provided with a first through hole, the first through hole is located on both sides of the second mounting groove along a third direction, and the first through hole is connected to the first sub-mounting groove, the third direction being perpendicular to the second direction and the first direction.

[0010] According to some embodiments of the present invention, the inner wall of the second sub-mounting groove is provided with a second protrusion protruding along a third direction. The second protrusion is used to abut against the side of the permanent magnet to limit the position of the permanent magnet in the third direction; the third direction is perpendicular to the second direction and the first direction.

[0011] According to some embodiments of the present invention, the inner wall of the second sub-mounting groove is provided with a limiting part protruding along the first direction. The limiting part is located on one side edge of the second sub-mounting groove in the second direction, so as to abut against one side surface of the permanent magnet in the second direction.

[0012] According to some embodiments of the present invention, a third mounting groove is provided on each side of the second mounting groove in the second direction; a second partition is provided between the second mounting groove and each of the third mounting grooves.

[0013] According to some embodiments of the present invention, the base is further provided with a fourth mounting groove for mounting coil terminals. The fourth mounting groove is located on one side of the second mounting groove along a third direction, and the third direction is perpendicular to the second direction and the first direction.

[0014] The isolation plate assembly further includes a third partition, which is connected to the base and extends away from the base in the first direction. The third partition is located between the fourth mounting slot and the third mounting slot to separate the fourth mounting slot and the third mounting slot.

[0015] According to some embodiments of the present invention, along the third direction, the third partition is connected to one end of the second partition, and the third partition is located on the side of the second partition facing the third mounting groove, and the third direction is perpendicular to the second direction and the first direction.

[0016] According to some embodiments of the present invention, the third mounting groove includes a third sub-mounting groove for mounting a moving contact component inside the contact portion and a fourth sub-mounting groove for mounting a stationary contact component inside the contact portion. The third sub-mounting groove and the fourth sub-mounting groove are arranged along a third direction, which is perpendicular to the second direction and the first direction.

[0017] According to some embodiments of the present invention, the isolation plate assembly further includes a fourth partition plate, which is connected to the base and extends away from the base in the first direction. The fourth partition plate is connected to one end of the second partition plate in the third direction and is located on the side of the second partition plate away from the third mounting groove. The fourth partition plate is located between the third mounting groove and the second mounting groove to separate the third mounting groove and the second mounting groove.

[0018] This utility model also provides a relay, including a mounting base as provided in any of the above technical solutions.

[0019] According to some embodiments of the present invention, it further includes a magnetic circuit assembly and a coil assembly. The magnetic circuit assembly includes a yoke and a permanent magnet. The yoke and the permanent magnet are installed in the first mounting slot through an opening in the first mounting slot located on one side of the mounting base. The coil assembly includes a coil. The coil is installed in the second mounting slot through an opening in the second mounting slot located on the opposite side of the mounting base in a first direction. The coil is separated from the yoke and the permanent magnet by a first partition in the partition plate assembly within the mounting base.

[0020] According to some embodiments of this utility model, the number of yokes is two pieces, each yoke including two oppositely arranged extension arms and a connecting section connecting the two extension arms, the connecting section and the two extension arms cooperating to form a U-shaped structure; each yoke is installed in the first mounting groove from the opening of the first sub-mounting groove in the first mounting groove, and one end of each extension arm away from the connecting section passes through the first through hole of the base in the mounting seat to the opposite side of the base in the first direction, the two extension arms of each yoke are placed on both sides of the second mounting groove of the mounting seat along a third direction, the third direction being perpendicular to the second direction and the first direction.

[0021] According to some embodiments of this utility model, each of the yokes is interference-fitted with the first sub-mounting groove.

[0022] According to some embodiments of the present invention, the yoke is provided with a protrusion, and the yoke is interference-fitted with the first sub-mounting groove through the protrusion.

[0023] According to some embodiments of the present invention, it also includes a contact portion, which is installed in the third mounting groove of the mounting base, and the contact portion is separated from the coil by a second partition in the isolation plate group inside the mounting base.

[0024] According to some embodiments of the present invention, the coil assembly further includes a coil terminal, which is connected to the coil and installed in the fourth mounting slot of the mounting base. The coil terminal and the contact portion are separated by a third partition in the isolation plate group inside the mounting base.

[0025] One embodiment of the above-described utility model has at least the following advantages or beneficial effects:

[0026] 1. The mounting base provided in this application adopts an integrated base and isolation plate assembly, reducing the number of parts. This not only saves two processes—applying adhesive and assembling the frame—but also eliminates the original process of pressing the frame and base together. This avoids the problems of large dimensional control and cumulative tolerances in the original frame-base, frame-magnetic circuit assembly, and frame-coil assembly fits. Therefore, the mounting base provided in this application simplifies the production process, reduces assembly difficulty, and increases first-pass yield. This, in turn, reduces the assembly difficulty when assembling relays, and improves assembly efficiency and effect.

[0027] 2. The mounting base provided in this application is an integrated structure with a positioning function. Specifically, the first partition in the mounting base provided in this application acts as a stop structure when the yoke and permanent magnet are assembled from the bottom, so that the yoke and permanent magnet inserted from the opening of the first mounting groove are effectively positioned and stopped along the first direction, eliminating the need for other stop structures, thus reducing assembly difficulty and improving assembly efficiency. Moreover, in the embodiments of this application, the yoke and permanent magnet are positioned through the first mounting groove, and during the installation process, the structural components do not need to be limited by clamping force, avoiding the risks of assembly difficulties and component damage associated with related technologies.

[0028] 3. The insulating plate assembly inside the mounting base provided in this application can work with the base to provide strong and weak current isolation. Specifically, the insulating plate assembly includes a first partition and a second partition. The first partition separates the first mounting slot and the second mounting slot, which can increase the insulation distance between the yoke, permanent magnet and coil. The second partition separates the second mounting slot and the third mounting slot, which can increase the creepage distance between the coil and the contact part, reduce the risk of creepage breakdown and improve the safety performance of the relay.

[0029] Furthermore, it is worth noting that since the first partition effectively separates the first mounting slot and the second mounting slot, the bottom wall of the second mounting slot is not connected to the top wall of the first mounting slot. Accordingly, the creepage distance between the yoke and permanent magnet used for mounting in the first mounting slot and the contact portion can be increased to reduce the risk of creepage breakdown and improve the safety performance of the relay.

[0030] 4. The second partition in the mounting base provided in this application separates the second mounting slot and a third mounting slot, which can increase the creepage distance between the coil installed in the second mounting slot and the contact part installed in the third mounting slot, reduce the risk of creepage breakdown, and improve the safety performance of the relay. Attached Figure Description

[0031] Figure 1 shows a three-dimensional structural diagram of the relay provided in an embodiment of the present invention;

[0032] Figure 2 shows a schematic diagram of the relay in Figure 1 from another angle;

[0033] Figure 3 shows a schematic diagram of the exploded structure of the relay in Figure 1;

[0034] Figure 4 shows a three-dimensional structural diagram of the mounting base provided in an embodiment of the present invention;

[0035] Figure 5 shows a three-dimensional structural diagram of the mounting base in Figure 4 from another angle;

[0036] Figure 6 shows a three-dimensional structural diagram of the mounting base provided in the embodiment of the present invention on the opposite side;

[0037] Figure 7 shows a three-dimensional structural diagram of the mounting base in Figure 6 from another angle;

[0038] Figure 8 shows a three-dimensional structural diagram of the mounting base in Figure 6 at another angle;

[0039] Figure 9 shows a three-dimensional structural diagram of the mounting base after assembling the yoke and permanent magnet according to an embodiment of the present invention.

[0040] Figure 10 shows a three-dimensional structural diagram of the mounting base in Figure 9 from another angle.

[0041] The annotations in the attached figures are explained as follows:

[0042] 100. Mounting base; 110. Base; 111. First mounting slot; 1111. First sub-mounting slot; 1112. Second sub-mounting slot; 112. Second mounting slot; 113. Third mounting slot; 1131. Third sub-mounting slot; 1132. Fourth sub-mounting slot; 114. Fourth mounting slot; 115. First protrusion; 116. First through hole; 117. Second protrusion; 118. Limiting part; 120. Partition plate assembly; 121. First partition plate; 122. Second partition plate; 1 23. Third partition; 124. Fourth partition; 200. Magnetic circuit assembly; 210. Yoke; 211. Extension arm; 2111. Bulb; 212. Connecting section; 220. Permanent magnet; 230. Armature; 300. Coil assembly; 310. Coil frame; 320. Coil; 330. Coil terminal; 400. Magnetic shield; 500. Contact assembly; 510. Moving contact assembly; 511. Moving contact bracket; 512. Moving contact piece; 520. Static contact assembly; 600. Push card. Detailed Implementation

[0043] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore their detailed description will be omitted.

[0044] This application provides a relay. Referring to the structure shown in Figures 1 to 3, the relay includes a magnetic circuit portion and a contact portion. The magnetic circuit portion includes a magnetic circuit assembly 200 and a coil assembly 300. The magnetic circuit assembly 200 includes a yoke 210, a permanent magnet 220, and an armature 230. The coil assembly 300 includes a coil frame 310, a coil 320, and a coil terminal 330. The coil 320 is wound around the surface of the coil frame 310. The armature 230 passes through a through hole in the coil frame 310.

[0045] As an example, as shown in Figure 3, the magnetic circuit assembly 200 includes two yokes 210 disposed opposite each other, with an armature 230 positioned between the two yokes 210. Along the length of the armature 230, one end of the armature 230 can rotate relative to the yoke 210, and the other end can swing relative to the yoke 210, thereby driving the pusher 600 to actuate the contacts. When the coil 320 is energized, the armature 230 swings under the action of the yoke 210, bringing it into contact with one of the yokes 210. If a monostable relay is used, when the coil 320 is de-energized, the armature 230 swings in the opposite direction due to the reaction force of the spring, bringing it into contact with the other yoke 210, returning to the initial open state.

[0046] As an example, as shown in Figure 3, the contact portion includes two sets of contact components 500. These two sets of contact components 500 are located on both sides of the armature 230 along its thickness direction. The specific structures of the two sets of contact components 500 can be the same or different. Taking the two sets of contact components 500 as an example, each set of contact components 500 includes a moving contact component 510 and a stationary contact component 520. The moving contact component 510 includes a moving contact bracket 511 and a moving contact piece 512. The moving contact bracket 511 is inserted into the mounting base 100, and the moving contact piece 512 is mounted on the moving contact bracket 511 and moves with the armature 230. The stationary contact component 520 includes a stationary contact piece, which is mounted on the mounting base 100. As an example, the moving contact piece 512 moves with the armature 230 via a pusher 600.

[0047] Referring to the structure shown in Figure 3, in some embodiments, the relay further includes a magnetic shielding element 400, through which the armature 230 rotates relative to the yoke 210. As an example, the magnetic shielding element 400 includes two sheet-like structures and a connecting portion connecting the two sheet-like structures. Each sheet-like structure is attached to one side of the armature 230 along its thickness direction, and the shape of the sheet-like structure adapts to the shape of the surface of the armature 230. For example, to achieve the rotation function of the armature 230 relative to the yoke 210, the surface of the armature 230 may be provided with a protrusion, which serves as a support point for rotation. Correspondingly, each sheet-like structure has a protrusion on one side and a recess on the other side, which adapts to the shape of the protrusion.

[0048] Of course, a protrusion can also be set on the yoke 210 to realize the rotation function of the armature 230 relative to the yoke 210, which will not be elaborated further.

[0049] It is understood that the magnetic circuit assembly 200, coil assembly 300, and contact portion shown in Figures 1 to 3 are all mounted on the mounting base 100. It is worth noting that the mounting base 100 can be any of the following technical solutions.

[0050] To better understand the mounting base 100 provided in the embodiments of this application, the directions in the accompanying drawings are now illustrated. In each drawing, Z represents the first direction, Y represents the second direction, and X represents the third direction. The first direction Z, the second direction Y, and the third direction X are mutually perpendicular. It should be understood that the third direction X is approximately parallel to the length direction of the yoke 210, the second direction Y is approximately parallel to the thickness direction of the yoke 210, and the first direction Z is approximately parallel to the height direction of the yoke 210.

[0051] This application provides a mounting base 100. Referring to the structure shown in Figure 4 in conjunction with Figures 1 to 3, the mounting base 100 includes: an integrally formed base 110 and a partition plate assembly 120. As an example, the mounting base 100 can be integrally formed by injection molding, thereby reducing manufacturing costs and manufacturing difficulty.

[0052] Please refer to Figures 4 to 8, referring to Figures 1 to 3. The base 110 has a first mounting groove 111 as shown in Figures 6 and 7, and a second mounting groove 112 as shown in Figures 4 and 5. The first mounting groove 111 is used to mount the yoke 210 and the permanent magnet 220, and the second mounting groove 112 is used to mount the coil 320. The isolation plate assembly 120 includes a first partition 121. The first mounting groove 111 and the second mounting groove 112 are separated by the first partition 121 and are independent of each other. The opening of the first mounting groove 111 is adjacent to the opening of the second mounting groove 112. The openings are located on opposite sides of the base 110 along the first direction Z; the base 110 is also provided with a third mounting groove 113 for mounting the contact portion, the third mounting groove 113 is located on at least one side of the second mounting groove 112 along the second direction Y; the partition plate assembly 120 also includes a second partition plate 122, the second partition plate 122 is connected to the base 110 and extends away from the base 110 in the first direction Z, the second partition plate 122 is located between the third mounting groove 113 and the second mounting groove 112 to separate the second mounting groove 112 and the third mounting groove 113.

[0053] The mounting base 100 provided in this embodiment of the application can both provide complete isolation and avoid the risk of damage to the precise positioning of the magnetic circuit. Specifically:

[0054] In related technologies, the base and frame are two isolated structural components. During use, they require adhesive to be applied to the magnetic circuit assembly 200 before the frame is assembled, making the process complex. Furthermore, the magnetic circuit components within the relay need to be assembled from top to bottom onto the base before the frame is assembled. In contrast, the mounting base 100 provided in this embodiment uses a one-piece molded base 110 and isolation plate assembly 120, reducing the number of parts. This not only saves the two processes of applying adhesive and assembling the frame but also eliminates the original process of pressing the frame and base together. This avoids the problems of large dimensional control and cumulative tolerances in the original frame-base, frame-magnetic circuit assembly 200, and frame-coil assembly 300 fits. Therefore, the mounting base 100 provided in this embodiment simplifies the production process, reduces assembly difficulty, and increases first-pass yield, thereby reducing the assembly difficulty, improving assembly efficiency, and enhancing the assembly effect when assembling a relay.

[0055] It is worth noting that the mounting base 100 in this embodiment is an integral structure, and the integral mounting base 100 has an installation positioning function.

[0056] When using the mounting base 100 provided in this application embodiment, there are two opposing mounting surfaces, one of which is located on the opening side of the first mounting groove 111, and the other mounting surface is located on the opening side of the second mounting groove 112. When the opening side of the first mounting groove 111 is taken as the bottom surface of the mounting base 100, the opening side of the second mounting groove 112 is taken as the top surface of the mounting base 100.

[0057] As an example, the yoke 210 and the permanent magnet 220 can be assembled from the bottom surface of the mounting base 100 into the first mounting groove 111, and the coil 320 can be assembled from the top surface of the mounting base 100 into the second mounting groove 112.

[0058] It should be noted that the first partition 121 in the mounting base 100 provided in this embodiment of the application acts as a stop structure when the yoke 210 and the permanent magnet 220 are assembled from the bottom. This ensures that the yoke 210 and the permanent magnet 220, inserted through the opening of the first mounting groove 111, are effectively positioned and stopped along the first direction, eliminating the need for other stop structures. This reduces assembly difficulty and improves assembly efficiency. Moreover, in this embodiment of the application, the yoke 210 and the permanent magnet 220 are positioned through the first mounting groove 111. During installation, the structural components do not need to be mutually limited by clamping force, avoiding the risks of assembly difficulties and component damage associated with related technologies.

[0059] In the actual assembly process, a press-in fixture can be designed to replace manual operation, so as to press the yoke 210 and permanent magnet 220 into the first mounting groove 111, thereby realizing automated operation and further improving assembly efficiency and assembly accuracy.

[0060] Please continue referring to the structure shown in Figure 4. The isolation plate assembly 120 inside the mounting base 100 provided in this embodiment can work with the base 110 to perform the function of strong and weak current isolation, thereby increasing the insulation distance and improving the insulation effect. Specifically, the isolation plate assembly 120 includes a first partition 121 and a second partition 122. The first partition 121 separates the first mounting groove 111 and the second mounting groove 112, which can increase the insulation distance between the yoke 210, the permanent magnet 220 and the coil 320. The second partition 122 separates the second mounting groove 112 and the third mounting groove 113, which can increase the creepage distance between the coil 320 and the contact part, reduce the risk of creepage breakdown and improve the safety performance of the relay.

[0061] Furthermore, it is worth noting that since the first partition 121 effectively separates the first mounting groove 111 and the second mounting groove 112, the bottom wall of the second mounting groove 112 is not connected to the top wall of the first mounting groove 111. Therefore, the creepage distance between the yoke 210 and the permanent magnet 220 installed in the first mounting groove 111 and the contact portion can be increased to reduce the risk of creepage breakdown and improve the safety performance of the relay.

[0062] Accordingly, the mounting base 100 provided in this application embodiment can simultaneously realize the creepage layout of 3 sets of strong and weak current isolation, and the isolation effect is achieved in one step.

[0063] In one embodiment, referring to the structure shown in Figures 6 to 8 in conjunction with Figures 9 and 10, the first mounting slot 111 includes two first sub-mounting slots 1111 and one second sub-mounting slot 1112. The two first sub-mounting slots 1111 are spaced apart along the second direction Y, and each first sub-mounting slot 1111 is used to mount a yoke 210. The second sub-mounting slot 1112 is used to mount a permanent magnet 220, and the second sub-mounting slot 1112 is located between the two first sub-mounting slots 1111 and communicates with at least one first sub-mounting slot 1111. It is understood that "communication" does not mean that the second sub-mounting slot 1112 and the first sub-mounting slot 1111 are completely uninterrupted at any position. To achieve positioning, small partition structures may be provided at some positions between the second sub-mounting slot 1112 and the first sub-mounting slot 1111, but these small partition structures do not affect the surface contact between the permanent magnet 220 and the yoke 210.

[0064] It should be noted that, in this embodiment, as shown in Figures 9 and 10, both yokes 210 and permanent magnets 220 can be inserted into the first sub-mounting groove 1111 from the opening of the first mounting groove 111 at the bottom of the base 110, thereby achieving reverse assembly of part of the magnetic circuit.

[0065] It is worth noting that in this embodiment, the first partition plate 121, which separates the first mounting slot 111 and the second mounting slot 112, cooperates with the base 110 to limit and position the yoke 210 and the permanent magnet 220 in the first direction Z, so as to ensure that the yoke 210 and the permanent magnet 220 are installed in place along the first direction Z. An interference fit can be used between the yoke 210 and the first sub-mounting slot 1111, and between the yoke 210 and the second sub-mounting slot 1112, to improve the stability of each structural component after assembly.

[0066] In a specific embodiment, as shown in FIG3, the yoke 210 is provided with a protrusion 2111. The yoke 210 is interference-fitted with the first sub-mounting groove 1111 through the protrusion 2111, so as to change the large-area surface contact between the yoke 210 and the first sub-mounting groove 1111 into point-to-surface contact, line-to-surface contact or small-area surface-to-surface contact between the protrusion 2111 and the first sub-mounting groove 1111, thereby reducing the assembly difficulty and improving the interference fit effect.

[0067] It is worth noting that, in the second direction Y, the yoke 210 can be provided with protrusions 2111 on one side or both sides, and the number of protrusions 2111 on each side of the yoke 210 can be set according to requirements. For example, as shown in Figure 3, the yoke 210 is provided with two protrusions 2111 on each side, and the two protrusions 2111 are spaced apart in the third direction X.

[0068] In one embodiment, referring to the structure shown in Figures 6 to 8, the inner wall of the first sub-mounting groove 1111 has a first protrusion 115 protruding from the inner wall surface of the first sub-mounting groove 1111 along the second direction Y. The first protrusion 115 is used to abut against the side of the yoke 210 to limit the position of the yoke 210 in the second direction Y. It should be understood that there can be multiple first protrusions 115, and the multiple first protrusions 115 are spaced apart to abut against different positions of the yoke 210.

[0069] It should be noted that by using the structural design of the first protrusion 115 abutting against the yoke 210, the surface-to-surface contact between the yoke 210 and the side wall of the first sub-mounting groove 1111 can be avoided, which would make it difficult to insert the yoke 210 along the first direction Z and prevent it from being installed in place. This can improve the assembly effect of the yoke 210 in the first sub-mounting groove 1111.

[0070] In specific settings, each first sub-mounting groove 1111 may have the first protrusion 115 on its inner wall, or only one first sub-mounting groove 1111 may have the first protrusion 115 on its inner wall. Further details will not be elaborated here.

[0071] In one embodiment, referring to the structure shown in Figures 6 and 7, the inner wall of the second sub-mounting groove 1112 is provided with a second protrusion 117 protruding from the inner wall surface of the second sub-mounting groove 1112 along the third direction X. The second protrusion 117 is used to abut against the side of the permanent magnet 220 to limit the position of the permanent magnet 220 in the third direction X.

[0072] It should be noted that by using the structural design of the second protrusion 117 abutting against the permanent magnet 220, the surface-to-surface contact between the permanent magnet 220 and the side wall of the second sub-mounting groove 1112 can be avoided, which would make it difficult to insert the permanent magnet 220 along the first direction Z and prevent it from being installed in place. This can improve the assembly effect of the permanent magnet 220 in the second sub-mounting groove 1112.

[0073] In specific configuration, the second sub-mounting groove 1112 may be provided with a second protrusion 117 on one inner wall surface in the third direction X, or the second sub-mounting groove 1112 may be provided with a second protrusion 117 on both inner wall surfaces in the third direction X. The specific details will not be elaborated further.

[0074] It is worth noting that the permanent magnet 220 and the second sub-mounting groove 1112 with the second protrusion 117 can also be interference-fitted to improve the stability of the permanent magnet 220 after assembly.

[0075] Please refer to the structure shown in Figures 6 to 8. The second sub-mounting groove 1112 can communicate with at least one first sub-mounting groove 1111, so that the permanent magnet 220 installed in the second sub-mounting groove 1112 contacts the surface of the yoke 210 and plays a magnetic guiding role. In one embodiment, as shown in Figure 8, the inner wall of the second sub-mounting groove 1112 is provided with a limiting part 118 protruding along the first direction Z. The limiting part 118 is located on one side edge of the second sub-mounting groove 1112 in the second direction Y, so as to abut against one side surface of the permanent magnet 220 in the second direction Y, so that the permanent magnet 220 and the yoke 210 are separated by a gap through the limiting part 118.

[0076] Specifically, the mounting base 100 provided in this application embodiment limits the position of the permanent magnet 220 in the second direction Y by the limiting part 118, so that the permanent magnet 220 makes surface contact with the yoke 210 on one side, and at the same time, the permanent magnet 220 is spaced apart from the yoke 210 on the other side.

[0077] It should be noted that the three iron parts, namely the two yokes 210 and the permanent magnet 220, in this embodiment can be precisely positioned by interference fit of the mounting slot. During the installation process, the three iron parts do not need to be limited by clamping force, which can avoid the risks of difficult assembly of yokes and permanent magnets and damage to parts in related technologies.

[0078] Specifically, in related technologies, the permanent magnet is positioned by the spacing between two yokes. However, due to the cumulative tolerances of the parts, there will inevitably be interference or clearance fits, which is not conducive to assemblability. In contrast, the permanent magnet 220 in this embodiment is assembled through the second sub-mounting slot 1112, and can automatically make surface-to-surface contact with one side of the yoke 210 by relying on the limiting feature of the base 110, which can reduce the dependence on part tolerances and assembly errors.

[0079] Furthermore, in this embodiment, the integrally formed base 110 and isolation plate assembly 120 can position and stop the yoke 210 and permanent magnet 220 in the first assembly direction Z to improve assembly accuracy.

[0080] In one specific embodiment, the limiting part 118 is provided with a guide slope to further facilitate the assembly of the permanent magnet 220.

[0081] Since one end of the armature 230 can rotate relative to the yoke 210 and the other end can swing relative to the yoke 210 to engage the yokes 210 on both sides respectively, the yoke 210 needs to extend from the bottom to the top side of the base 110. Referring to the structure shown in Figure 6, in one embodiment, the base 110 is provided with a first through hole 116, which communicates with the first sub-mounting groove 1111, and the first through hole 116 is positioned on both sides of the second mounting groove 112 along the third direction X to avoid affecting the insulation effect between the yoke 210, the permanent magnet 220, and the coil 320.

[0082] Referring to Figures 9 and 10, and considering Figures 3 and 6, each of the two yokes 210 includes two opposing extension arms 211 and a connecting section 212 connecting the two extension arms 211. The connecting section 212 and the two extension arms 211 cooperate to form a U-shaped structure. Each yoke 210 is installed in the first mounting groove 111 through the opening of the first sub-mounting groove 1111 in the first mounting groove 111. The end of each extension arm 211 facing away from the connecting section 212 passes through the first through hole 116 of the base 110 in the mounting seat 100 to the opposite side of the base 110 in the first direction Z. The two extension arms 211 of each yoke 210 are placed on both sides of the second mounting groove 112 of the mounting seat 100 in the third direction X.

[0083] In each yoke 210, one extension arm 211 is used to cooperate with the armature 230 to make it rotate, and the other extension arm 211 is used to cooperate with the armature 230 to form a mating surface.

[0084] It is worth noting that the number of contact components 500 within the contact portion is set according to requirements. Referring to Figures 4 and 5, and considering Figures 1 to 3, as an example, when the contact portion includes two contact components 500, in the mounting base 100, a third mounting slot 113 is provided on each side of the second mounting slot 112 in the second direction Y; a second partition 122 is provided between the second mounting slot 112 and each third mounting slot 113. Accordingly, each second partition 122 separates the second mounting slot 112 from one third mounting slot 113, which increases the creepage distance between the coil 320 installed in the second mounting slot 112 and the contact portion installed in the third mounting slot 113, reducing the risk of creepage breakdown and improving the safety performance of the relay.

[0085] It is worth noting that the opening of the third mounting groove 113 is located on the top surface of the base 110, and the contact part can be assembled into the third mounting groove 113 through the opening.

[0086] In one specific embodiment, referring to Figures 4 and 5 in conjunction with Figure 3, the third mounting groove 113 includes a third sub-mounting groove 1131 for mounting the moving contact assembly 510 and a fourth sub-mounting groove 1132 for mounting the stationary contact assembly 520. The third sub-mounting groove 1131 and the fourth sub-mounting groove 1132 are arranged along a third direction X. It is worth noting that the moving contact assembly 510 and the stationary contact assembly 520 are fixed in different sub-mounting grooves to meet the insulation requirements between them. Specifically, the distance between the moving contact assembly 510 and the stationary contact assembly 520 needs to be greater than the contact gap to meet the contact withstand voltage requirements.

[0087] It is worth noting that the bottom of the third sub-mounting slot 1131 may be provided with a through hole, so that the pin portion of the moving contact bracket 511 in the moving contact assembly 510 can be led out from the top surface of the base 110 to one side of the bottom surface. Similarly, the bottom of the fourth sub-mounting slot 1132 may be provided with a through hole, so that the pin portion of the stationary contact piece in the stationary contact assembly 520 can be led out from the top surface of the base 110 to one side of the bottom surface.

[0088] Referring to Figures 4 and 5, and continuing with Figures 1 to 3, the coil terminal 330 is connected to the coil 320. The base 110 also has a fourth mounting slot 114 for mounting the coil terminal 330, which is positioned along a third direction X to one side of the second mounting slot 112. The isolation plate assembly 120 also includes a third partition 123, which is connected to the base 110 and extends away from the base 110 in a first direction Z. The third partition 123 is located between the fourth mounting slot 114 and the third mounting slot 113 to separate them.

[0089] It should be noted that the coil terminal 330 is installed in the fourth mounting slot 114, and each third partition 123 separates the contact assembly 500 and the coil terminal 330 installed in the third mounting slot 113 to increase the creepage distance between the coil terminal 330 and the contact part, further reduce the risk of creepage breakdown, and improve the safety performance of the relay.

[0090] It is worth noting that the bottom of the fourth mounting slot 114 is provided with a through hole so that the pin portion of the coil terminal 330 can be led out from the top surface of the base 110 to one side of the bottom surface.

[0091] In a specific embodiment, as shown in Figures 4 and 5, along the third direction X, the third partition 123 is connected to one end of the second partition 122, and the third partition 123 is located on the side of the second partition 122 facing the third mounting groove 113, so as to connect the third partition 123 and the second partition 122 into one unit, avoid creepage gaps, thereby further reducing the risk of creepage breakdown and improving the safety performance of the relay.

[0092] Please continue to refer to the structure shown in Figures 4 and 5. The isolation plate assembly 120 also includes a fourth partition 124. The fourth partition 124 is connected to the base 110 and extends away from the base 110 in the first direction Z. The fourth partition 124 is located between the third mounting groove 113 and the second mounting groove 112 to separate the third mounting groove 113 and the second mounting groove 112, increase the creepage distance between the coil 320 and the contact part, further reduce the risk of creepage breakdown, and improve the safety performance of the relay.

[0093] In one specific embodiment, the fourth partition 124 is connected to one end of the second partition 122 in the third direction X and is located on the side of the second partition 122 opposite to the third mounting groove 113. Accordingly, the fourth partition 124 can also limit the coil frame 310 in the third direction X to improve the stability of the coil frame 310 after installation.

[0094] The relay provided in this application embodiment also includes a housing, which is used to assemble with the mounting base 100 to encapsulate some structural components within the cavity formed by the mounting base 100 and the housing. When assembling the relay provided in this application embodiment, the first mounting slot 111 can be interference-fitted with the yoke 210 and the permanent magnet 220 respectively to achieve precise positioning and pre-positioning. After the housing is finally fitted, it is then sealed with plastic sealant, reducing the separate application and baking of fixing adhesive and the associated production time.

[0095] Finally, it should be noted that the various embodiments / implementations provided by this utility model can be combined with each other without creating contradictions, and will not be described in detail here.

[0096] In the embodiments of the utility model, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "join," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "join" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the utility model according to the specific circumstances.

[0097] In the description of the utility model embodiments, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the utility model embodiments and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model embodiments.

[0098] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0099] The above are merely preferred embodiments of the utility model and are not intended to limit the utility model. For those skilled in the art, various modifications and variations can be made to the utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the utility model should be included within the protection scope of the utility model.

Claims

1. A mounting base, characterized in that, include: An integrally formed base and isolation plate assembly, wherein the base has a first mounting groove and a second mounting groove, the first mounting groove being used to mount a yoke and a permanent magnet, and the second mounting groove being used to mount a coil; the isolation plate assembly includes a first partition, the first mounting groove and the second mounting groove being separated by the first partition and independent of each other, and the openings of the first mounting groove and the second mounting groove being located on opposite sides of the base along a first direction; the base also has a third mounting groove for mounting contact portions, the third mounting groove being located along a second direction on at least one side of the second mounting groove; the isolation plate assembly further includes a second partition, the second partition being connected to the base and extending away from the base in the first direction, the second partition being located between the third mounting groove and the second mounting groove to separate the second mounting groove and the third mounting groove, the second direction being perpendicular to the first direction.

2. The mounting base according to claim 1, characterized in that, The first mounting slot includes two first sub-mounting slots and one second sub-mounting slot. The two first sub-mounting slots are spaced apart along the second direction. Each first sub-mounting slot is used to mount a yoke. The second sub-mounting slot is used to mount a permanent magnet and is located between the two first sub-mounting slots and communicates with at least one of the first sub-mounting slots.

3. The mounting base according to claim 2, characterized in that, The inner wall of the first sub-mounting groove is provided with a first protrusion protruding along the second direction. The first protrusion is used to abut against the side of the yoke to limit the position of the yoke in the second direction.

4. The mounting base according to claim 2, characterized in that, The base is provided with a first through hole, which is located on both sides of the second mounting groove along a third direction and is connected to the first sub-mounting groove. The third direction is perpendicular to the second direction and the first direction.

5. The mounting base according to claim 2, characterized in that, The inner wall of the second sub-mounting groove is provided with a second protrusion protruding along a third direction. The second protrusion is used to abut against the side of the permanent magnet to limit the position of the permanent magnet in the third direction; the third direction is perpendicular to the second direction and the first direction.

6. The mounting base according to claim 2, characterized in that, The inner wall of the second sub-mounting groove is provided with a limiting part protruding along the first direction. The limiting part is located on one side edge of the second sub-mounting groove in the second direction, so as to abut against one side surface of the permanent magnet in the second direction.

7. The mounting base according to claim 1 or 2, characterized in that, The second mounting slot is provided with a third mounting slot on each side in the second direction; a second partition is provided between the second mounting slot and each of the third mounting slots.

8. The mounting base according to claim 1 or 2, characterized in that, The base is further provided with a fourth mounting slot for mounting coil terminals. The fourth mounting slot is located on one side of the second mounting slot along a third direction, which is perpendicular to the second direction and the first direction. The isolation plate assembly also includes a third partition, which is connected to the base and extends away from the base in the first direction. The third partition is located between the fourth mounting slot and the third mounting slot to separate the fourth mounting slot and the third mounting slot.

9. The mounting base according to claim 8, characterized in that, Along the third direction, the third partition is connected to one end of the second partition, and the third partition is located on the side of the second partition facing the third mounting groove, and the third direction is perpendicular to the second direction and the first direction.

10. The mounting base according to claim 1 or 2, characterized in that, The third mounting slot includes a third sub-mounting slot for mounting the moving contact component inside the contact portion and a fourth sub-mounting slot for mounting the stationary contact component inside the contact portion. The third sub-mounting slot and the fourth sub-mounting slot are arranged along a third direction, which is perpendicular to the second direction and the first direction.

11. The mounting base according to claim 8, characterized in that, The isolation plate assembly further includes a fourth partition, which is connected to the base and extends away from the base in the first direction. The fourth partition is connected to one end of the second partition in the third direction and is located on the side of the second partition away from the third mounting groove. The fourth partition is located between the third mounting groove and the second mounting groove to separate the third mounting groove and the second mounting groove.

12. A relay, characterized in that, Includes the mounting base as described in any one of claims 1-11.

13. The relay according to claim 12, characterized in that, It also includes a magnetic circuit assembly and a coil assembly. The magnetic circuit assembly includes a yoke and a permanent magnet, which are mounted in the first mounting slot through an opening on one side of the mounting base. The coil assembly includes a coil, which is mounted in the second mounting slot through an opening on the second mounting slot on the opposite side of the mounting base in a first direction. The coil is separated from the yoke and the permanent magnet by a first partition in an isolation plate assembly within the mounting base.

14. The relay according to claim 13, characterized in that, The number of yokes is two pieces. Each yoke includes two oppositely arranged extension arms and a connecting section connecting the two extension arms. The connecting section and the two extension arms cooperate to form a U-shaped structure. Each yoke is installed in the first mounting groove through the opening of the first sub-mounting groove in the first mounting groove. The end of each extension arm facing away from the connecting section passes through the first through hole of the base in the mounting seat to the opposite side of the base in the first direction. The two extension arms of each yoke are placed on both sides of the second mounting groove of the mounting seat along a third direction. The third direction is perpendicular to the second direction and the first direction.

15. The relay according to claim 14, characterized in that, Each of the yoke pieces is interference-fitted with the first sub-mounting slot.

16. The relay according to claim 15, characterized in that, The yoke is provided with a protrusion, and the yoke is interference-fitted with the first sub-mounting groove through the protrusion.

17. The relay according to any one of claims 13 to 16, characterized in that, It also includes a contact portion, which is installed in the third mounting slot of the mounting base, and the contact portion is separated from the coil by a second partition in the isolation plate assembly within the mounting base.

18. The relay according to any one of claims 13 to 16, characterized in that, The coil assembly further includes a coil terminal, which is connected to the coil and installed in a fourth mounting slot of the mounting base. The coil terminal and the contact portion are separated by a third partition in the isolation plate assembly within the mounting base.

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