Relay

Abstract

The utility model discloses a relay which comprises a relay body, a first shell and a second shell. The first shell comprises an inner cavity with an opening, and the relay body is arranged in the inner cavity through the opening; the second shell is connected with the first shell so as to seal the relay body in the inner cavity; the second shell is provided with a clamping groove, and at least part of the opening edge of the first shell is inserted into the clamping groove.

Description

Technical Field

[0001] This application relates to the technical field of electronic control devices, and more particularly, 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), and is usually applied in an automatic control circuit. In fact, a relay is an "automatic switch" that uses a smaller current to control a larger current. Therefore, it plays roles such as automatic regulation, safety protection, and circuit conversion in a circuit.

[0003] A relay includes a relay body, a first shell, and a second shell. The first shell and the second shell are connected and form a chamber for accommodating the relay body. However, when the relay in the related art is subjected to a large impact, the first shell and the second shell are likely to become detached. Summary of the Utility Model

[0004] Embodiments of this application provide a relay to improve the problem that the first shell and the second shell in the related art are likely to become detached.

[0005] The relay according to the embodiments of this application includes:

[0006] A relay body;

[0007] A first shell, including an inner cavity with an opening, and the relay body is inserted into the inner cavity through the opening; and

[0008] A second shell, connected to the first shell to enclose the relay body in the inner cavity; the second shell has a card slot, and at least part of the edge of the opening of the first shell is inserted into the card slot.

[0009] According to some embodiments of this application, the shell wall of the first shell further has a notch that penetrates the edge of the opening.

[0010] According to some embodiments of this application, the second shell has the card slot, and parts of the first shell on both sides of the notch are inserted into the card slot.

[0011] According to some embodiments of this application, the second shell includes:

[0012] A second wall;

[0013] A second annular side wall, one end of which is connected to the second wall and the other end of which is connected to the first shell; and

[0014] A reinforcing part, connected to the inner wall surface of the second annular side wall, and the reinforcing part and the inner wall surface of the second annular side wall form the card slot.

[0015] According to some embodiments of the present application, the first housing includes a first wall and a first annular side wall. One end of the first annular side wall is connected to the first wall, and the other end encloses the opening.

[0016] The notch is recessed from the edge of the first annular side wall away from the first wall towards the direction close to the first wall.

[0017] According to some embodiments of the present application, a plurality of first protrusions are provided on the outer wall surface of the first annular side wall. The plurality of first protrusions are arranged on both sides of the notch along the circumferential direction of the first annular side wall, and the second housing is in interference fit with the first protrusions.

[0018] According to some embodiments of the present application, the relay further includes:

[0019] A connector assembly, including a connector cover for installing an external connector and a conductive member passing through the notch and used for electrically connecting the relay body and the external connector. The connector cover is inserted into the first housing.

[0020] According to some embodiments of the present application, the first housing and the second housing are connected along an installation direction;

[0021] The external connector is connected to the connector cover along a plugging direction, and the plugging direction is perpendicular to the installation direction.

[0022] According to some embodiments of the present application, the relay body is in interference fit with the first housing.

[0023] According to some embodiments of the present application, the second housing is snap-connected to the first housing.

[0024] According to some embodiments of the present application, one of the first housing and the second housing has a snap hole, and the other has a snap block for snapping into the snap hole.

[0025] One embodiment of the above application has at least the following advantages or beneficial effects:

[0026] For the relay of the embodiment of the present application, by inserting at least a part of the opening edge of the first housing into the card slot of the second housing, it is possible to avoid the influence of the inward deformation of the opening edge of the first housing on the connection firmness between the first housing and the second housing, and further avoid the loosening of the first housing and the second housing.

[0027] Furthermore, the strength of the housing wall near the notch of the first housing is also improved, and the inward depression of the housing wall near the notch of the first housing is avoided, which affects the assembly of the connector assembly and the housing.

[0028] Further, by inserting the first annular side wall of the first shell into the card slot of the second shell, the opening edge of the first shell can be prevented from deforming inward, thereby avoiding the block from disengaging from the card hole, ensuring the firmness of the connection between the second shell and the first shell, and preventing loosening. Description of the Drawings

[0029] Figure 1 Fig. shows a perspective schematic view of the relay according to an embodiment of the present application.

[0030] Figure 2 Fig. shows an exploded schematic view of the relay according to an embodiment of the present application, where the second shell is omitted.

[0031] Figure 3 Fig. shows a schematic view of the second shell according to an embodiment of the present application.

[0032] Figure 4 Fig. shows a partial schematic view of the first shell according to an embodiment of the present application from one perspective.

[0033] Figure 5 Fig. shows a partial schematic view of the first shell according to an embodiment of the present application from another perspective.

[0034] Figure 6 Fig. shows a schematic view of the connector cover according to an embodiment of the present application.

[0035] Figure 7 Fig. shows a side view schematic of the assembled first shell and the connector cover according to an embodiment of the present application.

[0036] Figure 8 Fig. shows along Figure 7 the cross-sectional view of the cutting line A-A in

[0037] Figure 9 Fig. shows a top view schematic of the first shell according to an embodiment of the present application.

[0038] Figure 10 Fig. shows a side view of the relay according to an embodiment of the present application.

[0039] Figure 11 Fig. shows along Figure 10 the cross-sectional view of the cutting line B-B in

[0040] Among them, the description of the reference numerals is as follows:

[0041] 10. Outer shell; 11. Second shell; 111. Second wall; 112. Second annular side wall; 1121. Card hole; 113. Reinforcement part; 114. Card slot; 12. First shell; 121. First wall; 122. First annular side wall; 1221. Card block; 123. First convex part; 124. Inner cavity; 125. Opening; 13. Mounting part; 131. Slot; 132. Stop wall; 1321. End face; 133. Limit protrusion; 134. First opening; 135. Side stop wall; 136. Accommodating space; 137. Second convex part; 14. Notch; 15. Mounting foot

[0042] 20. Relay body; 21. Contact part; 22. Magnetic circuit part; 23. Coil lead; 24. Auxiliary contact lead

[0043] 30. Connector assembly; 31. Connector cover; 311. Insertion part; 3111. Stop section; 3112. Extension section; 312. Cover body; 3121. Receiving groove; 3122. Second opening; 313. Extension part; 314. Limit part; 32. Conductive member; 321. Conductive strip; 33. Fixing part Detailed implementation manners

[0044] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. Like reference numerals in the figures denote like or similar structures, and thus their detailed description will be omitted.

[0045] It can be understood that the terms "include" and "have" and any variations thereof in the embodiments of this application are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally further include steps or units not listed, or may optionally further include other steps or components inherent to these processes, methods, products, or devices.

[0046] As Figure 1 and Figure 2 shown, the relay in the embodiments of this application includes a relay body 20, an outer shell 10 for accommodating the relay body 20, and a connector assembly 30 for connecting to the relay body 20. Among them, the connector assembly 30 can be connected to an external connector (not shown in the figure).

[0047] The relay body 20 may include a contact part 21 and a magnetic circuit part 22. Among them, the contact part 21 has a contact component, and the magnetic circuit part 22 is used to drive the contact component to close or open.

[0048] The housing 10 includes a second housing 11 and a first housing 12 made of an insulating material, which may be plastic but is not limited thereto. The second housing 11 and the first housing 12 are connected to form a chamber for accommodating the relay body 20. The first housing 12 includes an inner cavity 124 having an opening 125. During assembly, the relay body 20 is first inserted into the inner cavity 124 of the first housing 12 through the opening 125, and then the second housing 11 is connected to the first housing 12 to enclose the relay body 20 within the inner cavity 124.

[0049] As an example, the relay body 20 is in interference fit with the first housing 12, which can improve the stability between the relay body 20 and the first housing 12 and prevent the relay body 20 from shaking relative to the housing 10.

[0050] In one embodiment, the first housing 12 surrounds the magnetic circuit portion 22 of the relay body 20, and the second housing 11 surrounds the contact portion 21 of the relay body 20, but is not limited thereto.

[0051] For example, in another embodiment, the first housing 12 surrounds the entire magnetic circuit portion 22 and the lower half of the contact portion 21, and the second housing 11 surrounds the upper half of the contact portion 21; in yet another embodiment, the first housing 12 surrounds the lower half of the magnetic circuit portion 22, and the second housing 11 surrounds the entire contact portion 21 and the upper half of the magnetic circuit portion 22.

[0052] As Figure 1 shown, the housing 10 further includes mounting feet 15 for mounting the relay on an external device (not shown in the figure). The mounting feet 15 may be provided on the second housing 11 or on the first housing 12. For example, the mounting feet 15 are provided on the outer wall surface of the second housing 11, but are not limited thereto.

[0053] As Figure 2 shown, the first housing 12 includes a first annular sidewall 122 and a first wall 121. One end of the first annular sidewall 122 is connected to the first wall 121, and the other end of the first annular sidewall 122 is connected to the second housing 11. Among them, the other end of the first annular sidewall 122 forms the opening 125.

[0054] As an example, the first annular sidewall 122 and the first wall 121 are of an integral structure.

[0055] As Figure 3 shown, the second housing 11 includes a second annular sidewall 112 and a second wall 111. One end of the second annular sidewall 112 is connected to the second wall 111, and the other end of the second annular sidewall 112 is connected to the other end of the first annular sidewall 122. Among them, the mounting feet 15 may be provided on the outer wall surface of the second annular sidewall 112.

[0056] As an example, the second annular side wall 112 and the second wall 111 are of an integral structure.

[0057] As Figure 2 and Figure 3 shown, the second housing 11 and the first housing 12 can be connected by snap - fitting. For example, the first annular side wall 122 of the first housing 12 has a plurality of locking blocks 1221, and the second annular side wall 112 of the second housing 11 has a plurality of locking holes 1121. The plurality of locking blocks 1221 are respectively snapped into the plurality of locking holes 1121.

[0058] Of course, in other embodiments, the arrangement of the locking blocks 1221 and the locking holes 1121 can also be: the first annular side wall 122 of the first housing 12 has locking holes 1121, and the second annular side wall 112 of the second housing 11 has locking blocks 1221.

[0059] It can be understood that the rings formed by the first annular side wall 122 and the second annular side wall 112 respectively can be circular, rectangular or other shapes, and the present application does not make special limitations thereon.

[0060] As Figure 2 shown, the connector assembly 30 includes a connector cover 31, a conductive member 32 and a fixing member 33. The connector cover 31 and the fixing member 33 are made of insulating materials, and the conductive member 32 is made of conductive materials. The connector cover 31, the conductive member 32 and the fixing member 33 can be integrally injection - molded into a single unit.

[0061] The fixing member 33 is connected to the relay body 20. One end of the conductive member 32 is connected to the fixing member 33, and the other end of the conductive member 32 is connected to the connector cover 31 and is located inside the connector cover 31, serving as the lead - out terminal of the relay body 20. The connector cover 31 and an external connector can be connected by plug - in. When the external connector is plugged into the connector cover 31, the external connector is electrically connected to the lead - out terminal.

[0062] In one embodiment, as Figure 1 shown, the second housing 11 and the first housing 12 are connected along an installation direction D1, and the external connector and the connector cover 31 are connected along a plug - in direction D2. Among them, the plug - in direction D2 is perpendicular to the installation direction D1. The plug - in direction D2 and the installation direction D1 do not interfere with each other, so as to avoid the assembly interference problem between the connector assembly 30 and the housing 10.

[0063] Please continue to refer to Figure 2, the relay body 20 may have two coil leads 23 and two auxiliary contact leads 24. Correspondingly, the conductive member 32 includes four conductive bars 321. One ends of the four conductive bars 321 are electrically connected to the two coil leads 23 and the two auxiliary contact leads 24 in a one-to-one correspondence, and the other ends of the four conductive bars 321 are located within the connector cover 31 for connection to an external connector.

[0064] As Figure 2 , Figure 4 and Figure 5 shown, the housing 10 includes two spaced-apart mounting portions 13 and a notch 14 located between the two mounting portions 13.

[0065] In the embodiment of the present application, a mounting portion 13 is integrally formed on the outer wall surface of the first annular side wall 122 of the first housing 12. A portion of the first annular side wall 122 of the first housing 12 located between the two mounting portions 13 has a notch 14, and the notch 14 penetrates through the inner wall surface and the outer wall surface of the first annular side wall 122 of the first housing 12. The notch 14 is recessed from the edge of the first annular side wall 122 away from the first wall 121 towards the direction close to the first wall 121, that is, the notch 14 penetrates through the edge of the opening 125.

[0066] Of course, in other embodiments, the mounting portion 13 and the notch 14 may also be formed on the second housing 11. For example, two mounting portions 13 are integrally formed on the outer wall surface of the second annular side wall 112 of the second housing 11. A portion of the second annular side wall 112 of the second housing 11 located between the two mounting portions 13 has a notch 14, and the notch 14 is recessed from the edge of the second annular side wall 112 away from the second wall 111 towards the direction close to the second wall 111.

[0067] Next, taking the notch 14 and the mounting portion 13 both being formed on the first annular side wall 122 of the first housing 12 as an example for description.

[0068] The conductive member 32 of the connector assembly 30 is inserted through the notch 14 and is used for electrically connecting the relay body 20 and an external connector. The connector cover 31 is detachably connected to the two mounting portions 13 and is used for clamping the two mounting portions 13 by using the external support force formed by the housing 10 being squeezed by the relay body 20.

[0069] For the relay according to the embodiment of the present application, after the relay body 20 is installed in the housing 10, it will squeeze the wall of the housing 10, causing the housing 10 to expand outward to form an outward support force. As a result, the two mounting portions 13 on both sides of the notch 14 are subject to the outward support force and tend to move away from each other. The connector cover 31 is connected to the two mounting portions 13 and is used to clamp the two mounting portions 13 by means of the outward support force. It can be seen that under the action of the outward support force, the connector cover 31 can firmly clamp the two mounting portions 13, and the stability of the connection between the connector cover 31 and the housing 10 is significantly improved, avoiding the influence on the electrical connection between the conductive member 32 and the relay body 20 due to the shaking of the connector cover 31 relative to the housing 10. In addition, since the connector cover 31 and the two mounting portions 13 are connected in a split manner, the connector assembly 30 can be installed on the housing 10 at different angles, thereby adapting to external connectors in different installation environments and improving the versatility of the relay.

[0070] As Figure 4 and Figure 5 shown, a plurality of first convex portions 123 are provided on the outer wall surface of the first annular side wall 122. The plurality of first convex portions 123 are arranged on both sides of the notch 14 along the circumferential direction of the first annular side wall 122, and the second housing 11 is in interference fit with the first convex portions 123.

[0071] In the embodiment of the present application, the second housing 11 is in interference fit with the first convex portions 123 of the first housing 12, so that the second housing 11 plays a role in tightening the first annular side wall 122, reducing the magnitude of the outward support force, and further preventing the connector cover 31 from being subjected to an excessive outward support force and avoiding the problem of the connector cover 31 breaking due to the excessive outward support force.

[0072] In an embodiment, two first convex portions 123 are provided on the outer wall surface of the first annular side wall 122, and the two first convex portions 123 are respectively located on both sides of the notch 14 along the circumferential direction of the first annular side wall 122.

[0073] Among them, the present application does not particularly limit the shape of the first convex portion 123. For example, the first convex portion 123 can be strip-shaped, hemispherical, wedge-shaped, etc.

[0074] As Figure 4 and Figure 5 shown, the mounting portion 13 has a slot 131. In an embodiment, the extending direction of the slot 131 is parallel to the installation direction D1 of the second housing 11 and the first housing 12.

[0075] As Figure 6As shown, the connector cover 31 includes a cover body 312, an extension portion 313, and two insertion portions 311. The cover body 312 has a receiving groove 3121 for receiving at least a part of an external connector. The extension portion 313 is connected to the cover body 312 and is for inserting into the notch 14 of the housing 10 and is located between the two mounting portions 13. The conductive member 32 is connected to the extension portion 313, and the end of the conductive member 32 is located in the receiving groove 3121 of the cover body 312; the insertion portions 311 are integrally formed on both side surfaces of the extension portion 313 along the arrangement direction of the two mounting portions 13. The two insertion portions 311 are respectively for inserting into the slots 131 of the two mounting portions 13. Among them, the insertion direction of the corresponding insertion portion 311 and the slot 131 is parallel to the mounting direction D1 of the second housing 11 and the first housing 12.

[0076] In the embodiment of the present application, the connector cover 31 and the mounting portion 13 are connected by an insertion method, which not only ensures the connection stability between the connector cover 31 and the mounting portion 13, but also improves the assembly efficiency.

[0077] As Figure 4 , Figure 6 , Figure 7 and Figure 8 shown, the slot 131 has a stop wall 132, and the insertion portion 311 has a stop section 3111. The two stop walls 132 are provided with stop sections 3111 on the mutually facing sides along the arrangement direction of the two mounting portions 13. Among them, when the insertion portion 311 is inserted into the slot 131, the orthographic projections of the stop wall 132 and the stop section 3111 on the target plane overlap; the target plane is perpendicular to the arrangement direction of the two mounting portions 13.

[0078] In the embodiment of the present application, when the two insertion portions 311 are respectively inserted into the slots 131 of the two mounting portions 13, the two stop sections 3111 can respectively press the corresponding stop walls 132, so that the two mounting portions 13 are gathered together.

[0079] As Figure 8 shown, the cover body 312 and one of the mounting portions 13 are on the same side of the extension portion 313 along the arrangement direction of the two mounting portions 13. This mounting portion 13 has a limit projection 133, and the limit projection 133 abuts against the cover body 312. By providing the limit projection 133 on the mounting portion 13, the stability of the connector cover 31 can be maintained, and further the connector cover 31 can be prevented from shaking relative to the housing 10.

[0080] As Figure 4 and Figure 8As shown, the slot 131 has a first opening 134 with an opening facing the extension 313; the insertion portion 311 further has an extension segment 3112 extending into the slot 131 from the first opening 134. One end of the extension segment 3112 is connected to the extension 313, and the other end is connected to the stop segment 3111. In other words, the cross-sectional shape of the insertion portion 311 is generally L-shaped, but not limited thereto. For example, the cross-sectional shape of the insertion portion 311 can also be dovetail-shaped, T-shaped, etc., or other shapes that can apply an inward converging force to the two mounting portions 13.

[0081] As Figure 4 shown, the slot 131 further includes a side stop wall 135. The side stop wall 135 and the stop wall 132 enclose the slot 131. One end of the side stop wall 135 extends beyond the end face 1321 in the length direction of the stop wall 132, and the portion of the side stop wall 135 extending beyond the end face 1321 and the end face 1321 enclose a receiving space 136.

[0082] As Figure 1 and Figure 6 shown, the connector cover 31 further has two limiting portions 314. The two limiting portions 314 are respectively connected to the two insertion portions 311, and are respectively received in the two receiving spaces 136 and are in contact with the end face 1321. When the insertion portion 311 is inserted into the slot 131, as the insertion portion 311 is inserted deeper, the limiting portion 314 gradually approaches the end face 1321 of the stop wall 132. When the limiting portion 314 is in contact with the end face 1321, it means that the insertion portion 311 has been inserted in place. In addition, the limiting portion 314 is received in the receiving space 136, which can improve the compactness of the insertion structure and the stability of the connection between the insertion portion 311 and the slot 131.

[0083] As Figure 8 and Figure 9 shown, one of the inner surface of the slot 131 and the outer surface of the insertion portion 311 is provided with a second convex portion 137, and the second convex portion 137 is in interference fit with the other. By providing the second convex portion 137, the firmness of the connection between the insertion portion 311 and the mounting portion 13 can be improved.

[0084] For example, in one embodiment, the inner surface of the slot 131 is provided with a second convex portion 137, and the second convex portion 137 is in interference fit with the insertion portion 311; in another embodiment, the outer surface of the insertion portion 311 is provided with a second convex portion 137, and the second convex portion 137 is in interference fit with the slot 131.

[0085] Among them, the shape of the second convex portion 137 in this application is not particularly limited. For example: the second convex portion 137 can be strip-shaped, hemispherical, etc.

[0086] As Figure 1As shown, the receiving groove 3121 of the connector cover 31 has a second opening 3122 whose opening direction is parallel to the arrangement direction of the two mounting portions 13, and the external connector can be inserted into the cover body 312 through the second opening 3122. In other words, the plugging direction of the external connector and the connector cover 31 is parallel to the arrangement direction of the two mounting portions 13. In this way, when plugging and unplugging the external connector, the stability of the connection between the connector cover 31 and the two mounting portions 13 is not affected.

[0087] like Figure 2 , Figure 3 , Figure 10 and Figure 11 As shown, the second shell 11 has a slot 114, and at least part of the edge of the opening 125 of the first shell 12 is inserted into the slot 114 (in the embodiment of the present application, the first annular side wall 122 is away from the end of the first wall 121 and the part located on both sides of the notch 14 is inserted into the slot 114). By inserting the first annular side wall 122 of the first shell 12 into the slot 114 of the second shell 11, it is possible to avoid the inward deformation of the edge of the opening 125 of the first shell 12 affecting the firmness of the connection between the first shell 12 and the second shell 11, thereby preventing the first shell 12 and the second shell 11 from loosening. In addition, the strength of the shell wall near the notch 14 of the first annular side wall 122 can be improved to prevent the shell wall near the notch 14 of the first annular side wall 122 from being sunken inward to affect the assembly of the connector assembly 30 and the housing 10.

[0088] It is worth mentioning that when the second shell 11 is connected to the first shell 12 by a snap-fitting manner, for example, the snap block 1221 cooperates with the snap hole 1121, if the edge of the opening 125 of the first shell 12 is deformed inward, the snap block 1221 is easily disengaged from the snap hole 1121, thereby causing the second shell 11 to be loosened from the first shell 12. In the embodiment of the present application, by inserting the first annular side wall 122 of the first shell 12 into the snap groove 114 of the second shell 11, the edge of the opening 125 of the first shell 12 can be prevented from being deformed inward, thereby preventing the snap block 1221 from being disengaged from the snap hole 1121, thereby ensuring the firmness of the snap-fitting between the second shell 11 and the first shell 12 and preventing the occurrence of loosening.

[0089] like Figure 3 As shown, in one embodiment, a reinforcement portion 113 is disposed inside the second shell 11 , and the reinforcement portion 113 is connected to the inner wall surface of the second annular side wall 112 , and a groove 114 is formed between the reinforcement portion 113 and the inner wall surface of the second annular side wall 112 .

[0090] Of course, in other embodiments, the thickness of the second annular side wall 112 is relatively thick, and the locking groove 114 may also be formed in the second annular side wall 112 of the second shell 11 .

[0091] In summary, the relay of the embodiment of the present application has at least the following advantages and beneficial effects:

[0092] For the relay according to the embodiment of the present application, by inserting at least a part of the opening edge of the first housing 12 into the card slot 114 of the second housing 11, it is possible to avoid the influence on the firmness of the connection between the first housing 12 and the second housing 11 due to the inward deformation of the edge of the opening 125 of the first housing 12, and further avoid the loosening between the first housing 12 and the second housing 11.

[0093] Furthermore, the strength of the housing wall near the notch 14 of the first housing 11 is also improved, avoiding the inward depression of the housing wall near the notch 14 of the first housing 11 and affecting the assembly of the connector assembly 30 and the housing 10. Further, by inserting the first annular side wall 122 of the first housing 12 into the card slot 114 of the second housing 11, it is possible to prevent the edge of the opening 125 of the first housing 12 from deforming inward, and further avoid the block 1221 from disengaging from the card hole 1121, ensuring the firmness of the snap connection between the second housing 11 and the first housing 12 and avoiding loosening.

[0094] It can be understood that the various embodiments / implementation manners provided in the present application can be combined with each other without conflict, and no further examples will be given here.

[0095] In the embodiments of the application, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance; the term "plurality" means two or more, unless otherwise clearly defined. Terms such as "mounted", "connected", "connected", "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the application can be understood according to specific circumstances.

[0096] In the description of the embodiments of the application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the application and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the embodiments of the application.

[0097] In the description of this specification, the descriptions of the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the claimed embodiments. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0098] The above are only the preferred embodiments of the claimed embodiments and are not intended to limit the claimed embodiments. For those skilled in the art, the claimed embodiments may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the claimed embodiments shall be included within the protection scope of the claimed embodiments.

Claims

1. A relay, characterized in that: include: Relay body; A first shell includes an inner cavity having an opening, wherein the relay body is installed in the inner cavity through the opening; as well as The second shell is connected to the first shell to enclose the relay body in the inner cavity; the second shell has a slot, and at least a portion of the opening edge of the first shell is inserted into the slot.

2. The relay according to claim 1, characterized in that: The shell wall of the first shell further has a notch, and the notch runs through the opening edge.

3. The relay according to claim 2, characterized in that: The second shell has the slot, and the parts of the first shell located on both sides of the notch are inserted into the slot.

4. The relay according to claim 1 or 2, characterized in that: The second shell comprises: Second wall; a second annular side wall, one end of which is connected to the second wall and the other end of which is connected to the first shell; and The reinforcing portion is connected to the inner wall surface of the second annular side wall, and the clamping groove is formed between the reinforcing portion and the inner wall surface of the second annular side wall.

5. The relay according to claim 2, characterized in that: The first shell includes a first wall and a first annular side wall, one end of the first annular side wall is connected to the first wall, and the other end of the first annular side wall surrounds the opening; The notch is formed by being recessed from an edge of the first annular side wall away from the first wall toward a direction close to the first wall.

6. The relay according to claim 5, characterized in that: The outer wall surface of the first annular side wall is provided with a plurality of first protrusions, the plurality of first protrusions are arranged on both sides of the notch along the circumference of the first annular side wall, and the second shell is interference-fitted with the first protrusions.

7. The relay according to claim 2, characterized in that: The relay further comprises: The connector assembly comprises a connector cover for installing an external connector and a conductive member penetrating the notch and used for electrically connecting the relay body and the external connector. The connector cover is plugged into the first shell.

8. The relay according to claim 7, characterized in that: The first shell and the second shell are connected along an installation direction; The external connector is connected to the connector cover along a plugging direction, and the plugging direction is perpendicular to the installation direction.

9. The relay according to claim 1, characterized in that: The relay body is interference fit with the first shell.

10. The relay according to claim 1, characterized in that: The second shell is snap-connected with the first shell.

11. The relay according to claim 10, characterized in that: One of the first shell and the second shell has a clamping hole, and the other has a clamping block for clamping into the clamping hole.

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