Relay and charging device

Abstract

The invention relates to a relay and a charging device. The relay comprises a base, the base is provided with an installation part, the side wall of the base is provided with an installation opening, the installation opening penetrates to the top of the base and further penetrates to the inner wall of the base from the outer wall of the base, and the installation part and the installation opening are arranged adjacently; the shell covers the base; the contact assembly comprises a movable spring leading-out end, the movable spring leading-out end is arranged on the base, and one end of the movable spring leading-out end penetrates through the mounting opening and extends out of the base; and the fastener penetrates through the shell and is mounted on the mounting component so as to press and fix the shell on the base. Thus, after the fastener penetrates through the shell and is installed on the installation component, the fastener can press and fix the shell to the base at the position close to the installation opening, the structural strength of the base at the installation opening is improved, deformation and cracking of the base at the installation opening are avoided, and the overall structural strength of the base is improved; therefore, the protection effect of the base and the shell is ensured, and the use performance of the relay is ensured.

Description

Technical Field

[0001] This application relates to the field of electrical control device technology, and in particular to a relay and a charging device. 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] Typically, a relay consists of a base and a moving spring lead. The base has an opening for the moving spring lead to pass through. To increase the current-carrying capacity of the relay, the height of the moving spring lead is usually made quite large, which in turn increases the depth of the opening in the base. However, increasing the depth of the opening in the base reduces the structural strength of the base, making it more prone to deformation and cracking. Summary of the Invention

[0004] Therefore, it is necessary to address the problem that the opening in the base of current relays reduces the structural strength of the base, leading to easy deformation and cracking. A relay and charging device should be provided that can improve the structural strength of the base at the mounting opening, preventing deformation and cracking at this location, thus ensuring the protective effect of the base and the housing, and ultimately guaranteeing the performance of the relay.

[0005] A relay, comprising:

[0006] A base having a mounting component, a mounting opening on the side wall of the base extending through to the top of the base and also extending from the outer wall of the base to the inner wall of the base, the mounting component being arranged adjacent to the mounting opening;

[0007] The outer casing covers the base;

[0008] A contact assembly includes a movable spring lead-out end, the movable spring lead-out end being disposed on the base, and one end of the movable spring lead-out end extending out of the base through the mounting opening; and

[0009] Fasteners are inserted through the housing and installed on the mounting component to press and secure the housing to the base.

[0010] In one embodiment of this application, the mounting component is provided with a first fixing hole, the outer shell is provided with a second fixing hole corresponding to the first fixing hole, and the fastener passes through the second fixing hole and is installed in the first fixing hole.

[0011] In one embodiment of this application, the mounting component is provided with a fixing post, the fixing post protruding along a first direction from the bottom wall of the mounting component, and the first fixing hole is located in the middle region of the fixing post.

[0012] In one embodiment of this application, the first fixing hole is provided through the mounting component, the fastener is a rivet, the rivet extends through the second fixing hole and the first fixing hole, and is riveted to the surface of the mounting component away from the outer shell;

[0013] Alternatively, the first fixing hole is a threaded hole, the fastener is a bolt, and the bolt passes through the second fixing hole and is tightened into the first fixing hole.

[0014] In one embodiment of this application, the mounting component further includes a mounting base, the fixing post is disposed in the mounting base, the side wall of the mounting base is disposed in the side wall of the base, and the bottom wall of the mounting base is coplanar with the bottom wall of the base.

[0015] In one embodiment of this application, the mounting component and the base are an integral structure;

[0016] And / or, the mounting base includes a base plate and a plurality of upright plates, the plurality of upright plates surrounding the periphery of the base plate and connected to the side wall of the base to form a receiving cavity, the fixing post being located in the receiving cavity, and the mounting opening being located at the edge of the upright plate.

[0017] In one embodiment of this application, the mounting component further includes a reinforcing member disposed in the mounting base and connecting the outer wall of the fixing column with the inner wall of the mounting base.

[0018] In one embodiment of this application, the reinforcing member includes a plurality of reinforcing ribs, which are spaced apart around the periphery of the fixing column and connected to the outer wall of the fixing column, the bottom wall and the side wall of the mounting base;

[0019] And / or, the reinforcing member includes a reinforcing post disposed on the periphery of the fixing post and connected to the outer periphery of the fixing post, and the reinforcing post is also connected to the bottom wall and side wall of the mounting base;

[0020] And / or, the height of the reinforcing member along the first direction is less than or equal to the height of the fixing post along the first direction;

[0021] And / or, the reinforcing member, the fixing column, and the mounting base are an integral structure.

[0022] In one embodiment of this application, the distance along the second direction between the edge of the mounting opening near the mounting component and the center of the first fixing hole is less than or equal to three times the size of the mounting opening along the second direction;

[0023] And / or, the distance in a third direction between the center of the first fixing hole and the side wall of the base where the mounting opening is located is less than or equal to twice the distance in a second direction between the edge of the mounting opening near the mounting component and the center of the first fixing hole.

[0024] In one embodiment of this application, the relay includes at least two fasteners and at least two mounting components. The base is provided with at least two mounting openings. The at least two mounting components are symmetrically arranged with respect to the central axis of the relay and are adjacent to the corresponding mounting openings. Each fastener passes through the housing and is mounted on the corresponding mounting component.

[0025] And / or, the base includes a base plate and a plurality of side plates, the plurality of side plates being sequentially connected and disposed on the base plate along the circumferential direction, and the mounting opening being disposed on the side plate;

[0026] And / or, the outer wall of the base facing the outer casing is provided with a first mounting part, the inner wall of the outer casing facing the base is provided with a second mounting part, the outer casing covers the base, and the first mounting part is mounted on the second mounting part.

[0027] In one embodiment of this application, the contact assembly further includes a movable spring, a movable contact disposed on the movable spring, and a stationary contact opposite to the movable contact. The movable spring is disposed on the base along a second direction and can move along a third direction toward or away from the stationary contact, so that the movable contact contacts or separates from the stationary contact. The other end of the movable spring lead-out is connected to the movable spring.

[0028] In one embodiment of this application, the relay includes at least two contact components, which are spaced apart on the base along a third direction, and the stationary contact of the contact component is disposed at the fixed end of the moving spring in the adjacent contact component;

[0029] The base is provided with at least two mounting openings, which are spaced apart on the side wall of the base. The spring lead-out end of each contact assembly extends through the corresponding mounting opening.

[0030] In one embodiment of this application, at least two of the mounting openings are located on opposite sidewalls of the base, or at least two of the mounting openings are located on the same sidewall of the base;

[0031] And / or, the lengths of the spring leads in at least two of the contact assemblies are equal or different.

[0032] In one embodiment of this application, the relay further includes a fixing member, and the lead-out end of the moving spring is provided with a third fixing hole. The fixing member passes through the third fixing hole and is installed on the external terminal. The fixing member can abut against the outer wall of the mounting component.

[0033] In one embodiment of this application, the fastener and the fixing member at least partially overlap along the second direction;

[0034] And / or, the surface of the spring lead-out end extending out of the base has a protrusion, the outer wall of the base has a recess corresponding to the protrusion, the protrusion is at least partially installed in the recess, the protrusion and the fixing member are located on both sides of the spring lead-out end and are at least partially corresponding.

[0035] A charging device includes a mounting base, a charging unit, and a relay as described in any of the above technical features, wherein the relay is disposed on the mounting base and electrically connected to the charging unit to control the charging unit to be turned on or off.

[0036] By adopting the above technical solution, this application has at least the following technical effects:

[0037] The relay and charging device of this application include a base with a mounting component. The base has a mounting opening on its side wall, extending to the top of the base and also extending from the outer wall to the inner wall of the base. The mounting component is arranged adjacent to the mounting opening. A spring lead-out end of the contact assembly is mounted in the base, and the other end of the spring lead-out end protrudes through the mounting opening to facilitate relay wiring. After the housing is placed on the base, fasteners pass through the housing and are fixed to the mounting component to press and secure the housing to the base.

[0038] In this way, the mounting components and the mounting opening are arranged adjacent to each other. After the fasteners are installed through the housing and onto the mounting components, they can press and fix the housing to the base near the mounting opening. Even if the mounting opening is deep, because the mounting components and the mounting opening are arranged adjacent to each other, the fasteners can strengthen the structural strength of the base near the mounting opening, improving the structural strength of the base at the mounting opening and preventing deformation or cracking of the base at the mounting opening. This improves the overall structural strength of the base, ensuring the protective effect of the base and the housing, and thus ensuring the performance of the relay. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of a relay according to an embodiment of this application.

[0040] Figure 2 for Figure 1 The diagram shown is an exploded view of the relay.

[0041] Figure 3 for Figure 1 The relay shown is shown in top view.

[0042] Figure 4 for Figure 1 The diagram shown is a schematic of a relay with its casing removed.

[0043] Figure 5 for Figure 4 The relay shown is shown in top view.

[0044] Figure 6 for Figure 1 The diagram shows the base of the relay.

[0045] Figure 7 for Figure 5 The image shows a magnified view of the relay at point A.

[0046] Figure 8 for Figure 5 The image shows a magnified view of the relay at point B.

[0047] Figure 9 for Figure 4 The diagram shows a schematic of the contact components in a relay.

[0048] Wherein: 100, relay; 110, base; 101, mounting component; 111, mounting opening; 112, first fixing hole; 113, fixing post; 114, base plate; 115, side plate; 116, first mounting part; 117, reinforcing member; 1171, reinforcing rib; 1172, reinforcing post; 118, recessed part; 119, mounting base; 1191, receiving cavity; 1192, base plate; 1193, upright plate; 120, outer shell; 121, second fixing hole; 122, second mounting part; 130, contact assembly; 131, moving spring lead-out end; 1311, third fixing hole; 1312, protrusion; 132, moving spring; 133, moving contact; 134, stationary contact; 140, fastener; 150, fixing member. Detailed Implementation

[0049] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0050] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0051] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0052] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0053] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact, or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0054] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0055] Understandably, a relay is an electronic control device that plays a role in automatic adjustment, safety protection, and circuit switching in a circuit. Typically, a relay consists of a base and a moving spring lead-out terminal, with an opening in the base for the moving spring lead-out terminal to pass through. To increase the current-carrying capacity of the relay, the height of the moving spring lead-out terminal is generally made quite large, which in turn increases the depth of the opening in the base. However, increasing the depth of the opening in the base reduces the structural strength of the base, making it more prone to deformation and cracking.

[0056] For this purpose, please refer to Figures 1 to 6 This application provides a relay 100. Figure 1 This is a schematic diagram of a relay 100 according to an embodiment of this application. Figure 2 for Figure 1 The exploded view of relay 100 shown is shown below. Figure 3 for Figure 1 The top view of relay 100 shown. Figure 4 for Figure 1 The diagram shown is of the relay 100 with its housing 120 removed. Figure 5 for Figure 4 The top view of relay 100 shown. Figure 6 for Figure 1 A schematic diagram of the base 110 in the relay 100 shown.

[0057] In this embodiment, relay 100 is a magnetic latching relay. Of course, in other embodiments of this application, relay 100 may be other types of relays. The relay 100 of this application is applied in a charging device (not shown), and the relay 100 can control the charging unit (not shown) in the charging device to be turned on or off, so that the charging unit can charge the device to be charged, such as a vehicle. Further, the charging device is an outdoor charging pile, etc., that is, relay 100 is applied in an outdoor charging pile. Of course, in other embodiments of this application, relay 100 may also be applied to other devices or equipment that require control of the on / off state of a circuit.

[0058] In the relay 100 of this application, the mounting component 101 and the mounting opening 111 are arranged adjacent to each other. After the fastener 140 passes through the housing 120 and is installed on the mounting component 101, the fastener 140 can press and fix the housing 120 to the base 110 near the mounting opening 111. Even if the mounting opening 111 is deep, because the mounting component 101 and the mounting opening 111 are arranged adjacent to each other, the fastener 140 can strengthen the structural strength of the base 110 near the mounting opening 111, improve the structural strength of the base 110 at the mounting opening 111, prevent the base 110 from deforming or cracking at the mounting opening 111, improve the overall structural strength of the base 110, and ensure the protective effect of the base 110 and the housing 120, thereby ensuring the performance of the relay 100. The following describes the specific structure of the relay 100 in some embodiments.

[0059] See Figures 1 to 6 In one embodiment, the relay 100 includes a base 110, a housing 120, a contact assembly 130, and a fastener 140. The base 110 has a mounting member 101, and a mounting opening 111 is provided on the side wall of the base 110, extending through to the top of the base 110 and also extending from the outer wall to the inner wall of the base 110. The mounting member 101 is arranged adjacent to the mounting opening 111. The housing 120 covers the base 110. The contact assembly 130 includes a spring lead-out end 131, which is disposed on the base 110, and one end of the spring lead-out end 131 extends out of the base 110 through the mounting opening 111. The fastener 140 passes through the housing 120 and is mounted on the mounting member 101 to press and fix the housing 120 in the base 110.

[0060] The outer casing 120 covers the base 110 to form the outer housing of the relay 100. After the outer casing 120 covers the base 110, the outer casing 120 and the base 110 form a cavity. Most of the components of the relay 100 are housed in the cavity. The outer casing 120 and the base 110 protect most of the components of the relay 100 to ensure the performance of the relay 100. It is worth noting that the outline shape of the outer casing 120 and the base 110 is not limited in principle, as long as it meets the usage requirements. This application does not limit the outline shape of the outer casing 120 and the base 110.

[0061] The outer casing 120 covers the base 110 along the first direction, such as Figure 1 and Figure 2As shown, the depth direction and vertical direction of the base 110 are the first direction, the left-right direction of the base 110 is the second direction, and the front-back direction of the base 110 is the third direction. The first direction, the second direction, and the third direction are perpendicular to each other. It is worth noting that the relay 100 and its components in this application are based on the first direction, the second direction, and the third direction, which will not be repeated hereafter.

[0062] Contact component 130 is the component that enables relay 100 to be turned on or off. Contact component 130 is disposed in base 110 and can extend through the side wall of base 110. The portion of contact component 130 extending outside base 110 can connect to an external terminal (not shown) to connect contact component 130 to an external circuit, thereby connecting relay 100 to an external circuit. When contact component 130 is on, it enables the external circuit to be connected; when contact component 130 is off, it disconnects from the external circuit.

[0063] Specifically, the base 110 is provided with a mounting opening 111, which extends through to the top of the base 110 in a first direction. That is, the mounting opening 111 is an open structure at the top. Furthermore, the mounting opening 111 also extends through the side wall of the base 110 in the wall thickness direction, so that the mounting opening 111 can connect to the outer side and the inner cavity of the base 110. The contact assembly 130 includes a movable spring lead-out end 131, one end of which extends out of the base 110 through the mounting opening 111. That is, the movable spring lead-out end 131 is partially located in the base 110 and partially located on the outer side of the base 110.

[0064] Understandably, in order to improve the current-carrying capacity of the relay 100, the dimension of the moving spring lead 131 along the first direction is usually larger, that is, the width dimension of the moving spring lead 131 is larger. Correspondingly, a deeper mounting opening 111 needs to be made in the base 110 to accommodate the mounting of the moving spring lead 131. However, a deeper mounting opening 111 will reduce the structural strength of the base 110 at the mounting opening 111, causing the base 110 to deform or crack.

[0065] Therefore, the relay 100 of this application also includes a fastener 140, and the base 110 further has a mounting component 101. The mounting component 101 is arranged adjacent to the mounting opening 111. The fastener 140 passes through the housing 120 and is mounted on the mounting component 101 to press and fix the housing 120 to the base 110, thereby achieving a fixed assembly between the housing 120 and the base 110. Furthermore, the mounting component 101 and the mounting opening 111 are arranged adjacent to each other. After the fastener 140 is connected to the mounting component 101, the fastener 140 can be positioned close to the mounting opening 111, that is, the fastener 140 can be positioned close to the mounting opening 111 at the location of the base 110 and the housing 120.

[0066] Thus, after the fastener 140 passes through the housing 120 and is installed on the mounting component 101, the fastener 140 connects to the base 110 near the mounting opening 111, thereby strengthening the structural strength of the base 110 at the mounting opening 111. It is worth noting that the mounting component 101 is part of the base 110. To describe the positional relationship between the fastener 140 and the mounting opening 111, this application divides the base 110 into a main body and the mounting component 101. The mounting component 101 is disposed in the main body to form the base 110. The contact assembly 130, coil assembly, etc., of the relay 100 are disposed in the main body. After the fastener 140 passes through the housing 120 and is installed on the mounting component 101, the housing 120 is fixedly pressed against the base 110. The main body will not be described further below and will be referred to only as the base 110.

[0067] Thus, after the fastener 140 passes through the housing 120 and is installed on the mounting component 101, it connects to the base 110 at the mounting opening 111, thereby improving the structural strength of the base 110 at the mounting opening 111 and thus enhancing the overall structural strength of the base 110. Even if the mounting opening 111 is deep, the reinforcement of the base 110's structural strength at the mounting opening 111 by the fastener 140 prevents deformation and cracking at the mounting opening 111, ensuring the performance of the base 110 and thus guaranteeing its protective effect on internal components.

[0068] See Figures 1 to 6 In one embodiment, the mounting component 101 has a first fixing hole 112, and the outer casing 120 has a second fixing hole 121 corresponding to the first fixing hole 112. The fastener 140 passes through the second fixing hole 121 and is installed in the first fixing hole 112. The position of the first fixing hole 112 on the mounting component 101 corresponds to the position of the second fixing hole 121 on the outer casing 120. After the outer casing 120 is placed on the base 110, the fastener 140 can pass through the second fixing hole 121 and be installed in the first fixing hole 112.

[0069] Furthermore, after the first fixing hole 112 is provided on the mounting component 101, it can be positioned close to the mounting opening 111. In this way, after the fastener 140 is installed on the mounting component 101 through the first fixing hole 112, the position of the fastener 140 can be close to the mounting opening 111, so that the fastener 140 can strengthen the position of the base 110 near the mounting opening 111, thereby improving the structural strength of the base 110 at the mounting opening 111, and thus improving the overall structural strength of the base 110, making it less prone to deformation, cracking and other problems at the mounting opening 111.

[0070] See Figures 4 to 6 In one embodiment, the mounting component 101 is provided with a fixing post 113, which protrudes from the bottom wall of the mounting component 101 along a first direction, and a first fixing hole 112 is located in the fixing post 113. The fixing post 113 extends along the first direction and is located in the middle region of the mounting component 101. After the fixing post 113 protrudes from the bottom wall of the mounting component 101, it can be positioned close to the mounting opening 111. The fixing post 113 is hollow, and its inner cavity is the first fixing hole 112.

[0071] In this way, the fastener 140 can pass through the second fixing hole 121 and be installed in the first fixing hole 112, so that the fastener 140 can be connected to the fixing post 113, thereby increasing the connection area between the fastener 140 and the base 110. Thus, after the fastener 140 and the fixing post 113 are connected, the fastener 140 and the fixing post 113 can be close to the mounting opening 111, thereby reinforcing the position of the base 110 near the mounting opening 111, improving the structural strength of the base 110 at the mounting opening 111, and simultaneously achieving reliable fixation between the outer shell 120 and the base 110. Optionally, the fixing post 113 is located in the central region of the mounting component 101. Of course, in other embodiments, the fixing post 113 may also be offset from the central region of the mounting component 101.

[0072] See Figures 4 to 6 In one embodiment of this application, a first fixing hole 112 is provided through the mounting component 101, and a fastener 140 is a rivet. The rivet passes through the second fixing hole 121 and the first fixing hole 112, protrudes, and is riveted to the surface of the mounting component 101 facing away from the outer shell 120. That is, the outer shell 120 and the mounting component 101 are connected by riveting to achieve a fixed connection between the outer shell 120 and the base 110. One end of the rivet passes through the second fixing hole 121 and the first fixing hole 112 and protrudes from the bottom of the base 110, while the other end of the rivet is located at the top of the outer shell 120. The other end of the rivet is expanded and riveted to the bottom of the mounting component 101.

[0073] In this way, the expansion of the riveting achieves a fixed fit between the outer shell 120 and the mounting component 101, thereby securing the outer shell 120 to the base 110. Simultaneously, it avoids damage to the mounting component 101 and improves the structural strength of the base 110. Furthermore, after the rivet is installed on the mounting component 101, it connects the base 110 and the outer shell 120 near the mounting opening 111, increasing the structural strength of the base 110 at the mounting opening 111. This enhances the overall structural strength of the base 110, making it less prone to deformation or cracking at the mounting opening 111.

[0074] Of course, in other embodiments of this application, the first fixing hole 112 is a threaded hole, and the fastener 140 is a bolt. The bolt passes through the second fixing hole 121 and is tightened into the first fixing hole 112. That is, the outer shell 120 and the base 110 are engaged by threads. One end of the bolt passes through the second fixing hole 121 and extends into the first fixing hole 112. Then, the bolt is tightened, so that the bolt is gradually screwed into the first fixing hole 112, thereby connecting the bolt to the base 110 and improving the structural strength of the base 110 at the mounting opening 111.

[0075] See Figures 1 to 6 In one embodiment, the base 110 includes a base plate 114 and a plurality of side plates 115. The plurality of side plates 115 are sequentially connected and disposed on the base plate 114 along the circumferential direction, and a mounting opening 111 is disposed on the side plate 115. The base plate 114 is the bottom plate of the base 110, and the side plates 115 are the side plates of the base 110. The side plates 115 extend along a first direction, and the plurality of side plates 115 are disposed around the periphery of the base plate 114. Furthermore, adjacent side plates 115 are connected by the side plates 115.

[0076] Thus, the base plate 114 and the multiple side plates 115 can be configured into a box-shaped structure with a generally open top. Most of the components of the relay 100 are housed in the base 110. Furthermore, a mounting opening 111 is provided in the side plate 115 and extends through it along the thickness direction to connect the outer side of the base 110 with the inner cavity. The mounting opening 111 also extends to the top of the side plate 115 to mount the moving spring lead-out end 131.

[0077] In one embodiment, the base plate 114 and the multiple side plates 115 are an integral structure. That is, the base plate 114 and the multiple side plates 115 are manufactured using an integral molding method. This reduces the processing difficulty of the base 110 and simplifies the molding process and assembly procedures. Optionally, the base 110 is integrally molded using an injection molding process.

[0078] See Figures 1 to 6 In one embodiment, the outer wall of the base 110 facing the housing 120 has a first mounting portion 116, and the inner wall of the housing 120 facing the base 110 has a second mounting portion 122. The housing 120 covers the base 110, and the first mounting portion 116 is mounted on the second mounting portion 122. The first mounting portion 116 and the second mounting portion 122 are plate-shaped. The thickness of the first mounting portion 116 is less than the thickness of the remaining portion of the side plate 115, and the thickness of the second mounting portion 122 is less than the thickness of the remaining portion of the housing 120. In this way, after the housing 120 covers the base 110, the first mounting portion 116 and the second mounting portion 122 can fit together so that the outer wall of the housing 120 is substantially coplanar with the outer wall of the base 110, avoiding protruding edges at the assembly point of the base 110 and the housing 120, and ensuring the appearance of the relay 100.

[0079] See Figures 4 to 8 In one embodiment, the mounting component 101 further includes a mounting base 119, with a fixing post 113 disposed in the mounting base 119. The mounting base 119 is disposed on the side wall of the base 110, and the bottom wall of the mounting base 119 is coplanar with the bottom wall of the base 110. The mounting base 119 is the outer shell of the mounting component 101 and is disposed on the base 110. It is understood that the side wall of the mounting base 119 can be directly made from the side plate 115 of the base 110, or the side wall of the mounting base 119 can be connected to the side wall of the base 110. Furthermore, since the bottom wall of the mounting base 119 is coplanar with the bottom wall of the base 110, the mounting base 119 can be disposed on the bottom plate 114 of the base 110, or the bottom plate 114 of the base 110 can be directly used as the bottom wall.

[0080] Optionally, the mounting component 101 can be disposed on the outer side of the base 110, that is, the mounting base 119 is disposed on the outer wall of the base 110. In this way, the mounting component 101 can protrude from the outer wall of the base 110 and connect with the side plate 115 and the bottom plate 114 of the base on the outer side of the base 110. Furthermore, the mounting component 101 connects with the outer shell 120 on the outer side of the base 110 to fix the outer shell 120 to the base 110. Of course, in other embodiments, the mounting component 101 can also be disposed on the inner side of the base 110, that is, the mounting base 119 is disposed on the inner side of the base 110. In this way, the mounting component 101 can connect with the outer shell 120 within the base 110 to fix the outer shell 120 to the base 110.

[0081] In one embodiment, the mounting component 101 and the base 110 are an integral structure. That is, the mounting component 101 and the base 110 are manufactured by integral injection molding. This can improve the structural strength of the connection between the mounting component 101 and the base 110 and simplify the assembly process of the mounting base 119 and the base 110.

[0082] See Figures 4 to 8 In one embodiment, the mounting base 119 includes a base plate 1192 and a plurality of upright plates 1193. The upright plates 1193 surround the periphery of the base plate 1192 and are connected to the sidewalls of the base 110 to form a receiving cavity 1191. A fixing post 113 is located in the receiving cavity 1191. The base plate 1192 is connected to the bottom plate 114. The plurality of upright plates 1193 surround three sides of the base plate 1192 and are connected to the side plates 115. The plurality of upright plates 1193, the base plate 1192, and the side plates 115 can form the receiving cavity 1191. The fixing post 113 protrudes from the base plate 1192 and is located in the receiving cavity 1191. The mounting base 119 and the fixing post 113 can be disposed close to the mounting opening 111 to strengthen the structural strength of the base 110 at the location close to the mounting opening 111.

[0083] See Figures 4 to 8 In one embodiment, the mounting opening 111 is located at the edge of the upright plate 1193. This minimizes the distance between the mounting component 101 and the fastener 140 and the mounting opening 111, so that the fastener 140 and the fixing post 113 are as close as possible to the mounting opening 111, thereby strengthening the structural strength of the base 110 near the mounting opening 111.

[0084] Of course, in other embodiments, the mounting opening 111 may also be located at the edge of the side plate 115 and close to the upright plate 1193. That is, there may also be a small gap between the mounting opening 111 and the upright plate 1193, so that the fastener 140 and the fixing post 113 are as close as possible to the mounting opening 111, thereby strengthening the structural strength of the base 110 near the mounting opening 111.

[0085] See Figures 4 to 8 In one embodiment, the mounting component 101 further includes a reinforcing member 117, which is disposed in the inner cavity of the mounting base 119 and connects the outer wall of the fixing post 113 with the inner wall of the mounting base 119. Figure 7 for Figure 5 The image shows a partial enlarged view of the relay 100 at point A. Figure 8 for Figure 5 The image shows a partial enlarged view of the relay 100 at point B. The reinforcing member 117 serves to strengthen the structural integrity of the fixing post 113 and the mounting base 119.

[0086] A reinforcing member 117 is disposed within the inner cavity of the mounting base 119. The reinforcing member 117 is connected to the outer wall of the fixing post 113, the inner wall of the upright plate 1193, the bottom wall of the base plate 1192, and the inner wall of the side plate 115. In this way, the reinforcing member 117 can improve the connection strength between the fixing post 113 and the base plate 1192, the upright plate 1193, and the side plate 115, thereby further strengthening the structural strength of the fixing post 113 and further improving the structural strength of the base 110 at the mounting opening 111. This improves the overall structural strength of the base 110 and makes it less prone to deformation, cracking, or other problems at the mounting opening 111.

[0087] See Figures 4 to 7In one embodiment of this application, the reinforcing member 117 includes a plurality of reinforcing ribs 1171, which are spaced apart around the periphery of the fixing post 113 and connected to the outer wall of the fixing post 113, the bottom wall of the mounting base 119, and the side wall. The plurality of reinforcing ribs 1171 are plate-shaped and spaced apart around the periphery of the fixing post 113. Furthermore, the reinforcing ribs 1171 can connect the outer wall of the fixing post 113, the base plate 1192, the upright plate 1193, and the side plate 115 to improve the connection strength between the fixing post 113 and the base plate 1192, the upright plate 1193, and the side plate 115.

[0088] Optionally, multiple reinforcing ribs 1171 are evenly arranged circumferentially around the periphery of the fixing column 113. This ensures that the fixing column 113 is subjected to uniform force, thereby improving the structural strength of the base 110. In this embodiment, there are four reinforcing ribs 1171, which are arranged in a roughly cross shape around the periphery of the fixing column 113. Of course, in other embodiments of this application, the number of reinforcing ribs 1171 may also be different.

[0089] See Figures 4 to 6 , Figure 8 In another embodiment of this application, the reinforcing member 117 includes a reinforcing post 1172, which is disposed on the periphery of the fixing post 113 and connected to the outer periphery of the fixing post 113. The reinforcing post 1172 is also connected to the bottom wall and side wall of the mounting base 119. The reinforcing post 1172 has a hollow columnar structure and is disposed on the outer side of the fixing post 113. The outer wall of the reinforcing post 1172 fits against the inner wall of the fixing post 113. Furthermore, the reinforcing post 1172 is also connected to the base plate 1192 and the upright plate 1193 to improve the connection strength between the fixing post 113 and the base plate 1192 and the upright plate 1193.

[0090] It is worth noting that the structural form of the reinforcing member 117 is not limited in principle. The above lists two possible ways to implement the reinforcing member 117, but the specific structural form of the reinforcing member 117 is not limited to the above and can be other forms, as long as it can improve the structural strength of the connection between the fixing column 113 and the mounting base 119, thereby improving the structural strength of the base 110 at the mounting opening 111.

[0091] See Figures 4 to 8 In one embodiment, the reinforcing member 117, the fixing post 113, and the mounting base 119 are integrally formed. That is, the reinforcing member 117, the fixing post 113, and the mounting base 119 are integrally formed, thus forming an integral structure with the base 110. This improves the overall structural strength of the base 110, prevents deformation and cracking at the connection points of the reinforcing member 117 with the fixing post 113, the base plate 1192, the upright plate 1193, and the side plate 115, and simplifies the molding process.

[0092] See Figures 4 to 8 In one embodiment, the height of the reinforcing member 117 along the first direction is less than or equal to the height of the fixing post 113 along the first direction. In this embodiment, the height of the reinforcing member 117 along the first direction is equal to the height of the fixing post 113 along the first direction. This improves the reinforcing effect of the reinforcing member 117 on the fixing post 113, further enhances the connection strength between the fixing post 113 and the mounting base 119, and ensures the structural strength of the base 110 at the mounting opening 111.

[0093] Of course, in other embodiments of this application, the height of the reinforcing member 117 along the first direction may be slightly less than the height of the fixing column 113 along the first direction, so as to ensure the structural strength of the base 110 at the mounting opening 111, avoid deformation and cracking of the base 110 at the mounting opening 111, and at the same time, reduce the amount of material used.

[0094] See Figures 3 to 8 In one embodiment, the distance h1 along the second direction between the edge of the mounting opening 111 near the mounting member 101 and the center of the first fixing hole 112 is less than or equal to three times the dimension h2 of the mounting opening 111 along the second direction. Thus, the first fixing hole 112 can be positioned close to the mounting opening 111, and when the fastener 140 is installed into the first fixing hole 112, the fastener 140 can also be positioned close to the mounting opening 111. In this way, the fastener 140 can strengthen the base 110 near the mounting opening 111 through the first fixing hole 112, thereby improving the overall structural strength of the base 110.

[0095] See Figures 3 to 8 In one embodiment, the distance h3 along a third direction between the center of the first fixing hole 112 and the side wall of the base 110 where the mounting opening 111 is located is less than or equal to twice the distance h1 along a second direction between the edge of the mounting opening 111 near the mounting member 101 and the center of the first fixing hole 112. Thus, the first fixing hole 112 can be positioned close to the mounting opening 111, and when the fastener 140 is installed into the first fixing hole 112, the fastener 140 can also be positioned close to the mounting opening 111. In this way, the fastener 140 can strengthen the base 110 near the mounting opening 111 through the first fixing hole 112, thereby improving the overall structural strength of the base 110.

[0096] See Figures 1 to 6In one embodiment, the relay 100 includes at least two fasteners 140 and at least two mounting components 101. The base 110 has at least two mounting openings 111. The at least two mounting components 101 are symmetrically arranged with respect to the central axis of the relay 100 and are adjacent to the corresponding mounting openings 111. Each fastener 140 passes through the housing 120 and is mounted on the corresponding mounting component 101. The at least two fasteners 140 are spaced apart, and each fastener 140 passes through the housing 120 and is mounted on the mounting component 101, thereby fixing the housing 120 to the base 110. This increases the fixed position of the housing 120 and the base 110, improves the reliability of the connection between the housing 120 and the base 110, and further strengthens the structural strength of the base 110.

[0097] In this embodiment, the relay 100 includes two fasteners 140 and two mounting components 101, which are symmetrically arranged with respect to the central axis of the relay 100. Furthermore, the base 110 has two mounting openings 111, as will be mentioned later. Each mounting component 101 is adjacent to one mounting opening 111. After the fasteners 140 pass through the housing 120 and are mounted on the mounting components 101, the connection points between the fasteners 140 and the base 110 are positioned close to the corresponding mounting opening 111. This strengthens the structural strength of the mounting openings 111 on both sides of the base 110, thereby improving the overall structural strength of the base 110.

[0098] Of course, in other embodiments of this application, the relay 100 may also include other numbers of fasteners 140, and the base 110 is provided with mounting openings 111 corresponding to the number of fasteners 140. Each fastener 140 is located close to the corresponding mounting opening 111, or the number of fasteners 140 is greater than the number of mounting openings 111, some fasteners 140 are located close to the corresponding mounting opening 111, and the remaining fasteners 140 are located at other positions on the base 110.

[0099] See Figures 1 to 6 , Figure 9 In one embodiment, the contact assembly 130 further includes a movable spring 132, a movable contact 133 disposed on the movable spring 132, and a stationary contact 134 opposite to the movable contact 133. The movable spring 132 is disposed on the base 110 along a second direction and can move along a third direction toward or away from the stationary contact 134 so that the movable contact 133 contacts or separates from the stationary contact 134. The other end of the movable spring lead-out end 131 is connected to the movable spring 132. Figure 9 for Figure 4 The diagram shows a contact component 130 in the relay 100. The moving spring lead-out terminal 131 is the output terminal of the relay 100, and the moving spring lead-out terminal 131 can be connected to the terminal of the charging device.

[0100] When the moving reed 132 moves in a third direction toward the stationary contact 134, the moving contact 133 can contact the stationary contact 134, thereby turning on the relay 100 and connecting the charging unit of the charging device to the circuit so that the charging unit can charge the device to be charged. When the moving reed 132 moves in a third direction away from the stationary contact 134, the moving contact 133 separates from the stationary contact 134, thereby turning off the relay 100. At this time, the charging device and the circuit are disconnected, and the charging unit stops working.

[0101] Furthermore, the relay 100 also includes at least an armature assembly (not shown) and a pusher (not shown). The armature assembly is the power source for the relay 100, and its output end abuts against the pusher. The pusher can abut against the movable spring 132. When the armature assembly moves, it can drive the pusher to push the movable spring 132 to move in a third direction, so that the movable spring 132 moves toward or away from the stationary contact 134, so that the movable contact 133 contacts or separates from the stationary contact 134. It is worth noting that the focus of this application is on the cooperation between the housing 120 and the base 110 of the relay 100. The structure and principle of other components in the relay 100, such as the armature assembly and the pusher, will not be described in detail, as these components can adopt existing structures.

[0102] See Figure 4 , Figure 5 and Figure 9 In one embodiment, the relay 100 includes at least two contact components 130, which are spaced apart in a third direction on the base 110. A stationary contact 134 in each contact component 130 is located at the fixed end of a moving spring 132 in an adjacent contact component 130. The base 110 has at least two mounting openings 111, which are spaced apart on the sidewall of the base 110. The moving spring lead-out end 131 of each contact component 130 extends through a corresponding mounting opening 111.

[0103] The push card can simultaneously abut against the moving spring 132 of each group of contact components 130. The push card can simultaneously push the moving spring 132 in at least two groups of contact components 130 to move in a third direction, so that the moving spring 132 drives the corresponding moving contact 133 to contact or separate from the corresponding stationary contact 134, thereby realizing the on or off control of the relay 100, and thus realizing the on or off control of the external circuit.

[0104] Furthermore, each contact component 130 is provided with a movable spring lead-out end 131, and correspondingly, the base 110 is provided with at least two mounting openings 111. Thus, each movable spring lead-out end 131 extends out of the base 110 through the corresponding mounting opening 111, allowing the contact component 130 to be connected to an external circuit through the corresponding lead-out end. Simultaneously, each mounting opening 111 corresponds to a fastener 140, which strengthens the structural strength of the base 110 at the mounting opening 111, thereby improving the structural strength of the base 110.

[0105] In this embodiment, there are two sets of contact components 130. The moving spring 132, moving contact 133, and stationary contact 134 in the two sets of contact components 130 are arranged symmetrically. The stationary contact 134 is disposed on the fixed end of the adjacent moving spring 132 and corresponds to the moving end of the adjacent moving spring 132 and its moving contact 133. The fixed end of the moving spring 132 is connected to the moving spring lead-out end 131. In this way, when the push card pushes the moving spring 132 to move in a third direction, the moving end of the moving spring 132 can drive the moving contact 133 to contact or separate from the stationary contact 134.

[0106] Furthermore, the two spring leads 131 of the two sets of contact components 130 extend through corresponding mounting openings 111, with each mounting opening 111 corresponding to a fastener 140. By providing two sets of contact components 130, the current-carrying area of ​​the relay 100 can be increased, making the relay 100 suitable for high-current devices or equipment. Of course, in other embodiments of this application, the number of contact components 130 may be one or other numbers.

[0107] See Figures 1 to 8 In one embodiment, at least two mounting openings 111 are located on different sidewalls of the base 110. That is, at least two mounting openings 111 are respectively provided on different side plates 115 of the base 110. In this way, stress concentration can be avoided, and problems such as deformation and cracking of the side plate 115 caused by stress concentration on the same side plate 115 can be avoided, thereby improving the structural strength of the base 110.

[0108] In this embodiment, two mounting openings 111 are provided on different side plates 115 of the base 110. For example... Figures 4 to 6 As shown, one mounting opening 111 is located on the side plate 115 on the front side of the base 110, and the other mounting opening 111 is located on the side plate 115 on the right side of the base 110, that is, the two mounting openings 111 are located on adjacent side plates 115. Of course, in other embodiments of this application, the two mounting openings 111 may also be located on other side plates 115 of the base 110.

[0109] Of course, in other embodiments of this application, at least two mounting openings 111 are provided on the same side wall of the base 110. That is, two mounting openings 111 are provided on the same side plate 115 of the base 110, and the two mounting openings 111 are arranged in a mutually perpendicular manner, with each mounting opening 111 corresponding to a fastener 140 on one side, so as to improve the structural strength of the base 110.

[0110] See Figure 4 and Figure 5 In one embodiment, the lengths of the moving spring leads 131 in at least two contact components 130 are equal or different. For example, a relay 100 includes two moving spring leads 131. It is understood that the lengths of the two moving spring leads 131 are not limited in principle, as long as they can connect to the corresponding moving spring 132 and extend through the mounting opening 111 of the base 110 to connect to the terminal block.

[0111] In this embodiment, the two movable spring leads 131 have different lengths, i.e., the lengths of the two movable spring leads 131 are not equal, namely a long lead and a short lead, so that the two movable spring leads 131 can be adapted to the shape of the base 110. The long lead can increase the heat dissipation area and improve the heat dissipation effect. Of course, in other embodiments of this application, the lengths of the two movable spring leads 131 can also be approximately equal to reduce material costs.

[0112] See Figures 1 to 8 In one embodiment, the relay 100 further includes a fixing member 150, and the spring lead-out end 131 is also provided with a third fixing hole 1311. The fixing member 150 passes through the third fixing hole 1311 and is installed on an external terminal. The fixing member 150 can abut against the outer wall of the mounting component 101. The cooperation between the fixing member 150 and the third fixing hole 1311 can fix the spring lead-out end 131 to the external terminal, realizing the electrical connection between the spring lead-out end 131 and the external terminal.

[0113] Optionally, the fixing element 150 is a bolt, etc. That is, the lead-out end is fixed to the external terminal by a threaded connection. Understandably, during the screwing process between the lead-out end 131 of the moving spring and the terminal by the fixing element 150, the torque on the bolt will be transmitted to the base 110, causing the base 110 to deform or crack, affecting the performance of the base 110.

[0114] Therefore, this application limits the fixing member 150 to abut against the outer wall of the mounting component 101, so that the mounting component 101 can limit the fixing member 150 to strengthen the structural strength of the connection between the fixing member 150 and the base 110, reduce the shaking of the moving spring lead-out end 131, and thus reduce the scraping of the moving spring lead-out end 131 against the base 110 at the mounting opening 111.

[0115] In this way, after the fastener 140 is connected to the base 110, the fastener 140 can strengthen the structural strength of the base 110 at the fixing member 150. When the lead-out end 131 of the moving spring is screwed to the terminal block through the fixing member 150, because the fastener 140 strengthens the structural strength of the base 110 at the fixing member 150, the base 110 is less prone to deformation, cracking and other problems, thereby improving the overall structural strength of the base 110 and ensuring the performance of the base 110.

[0116] See Figures 1 to 8 In one embodiment, the fixing member 150 and the fastener 140 at least partially overlap along the second direction. This allows the base 110 to be positioned close to the fastener 140. When the spring lead-out end 131 is screwed to the terminal block via the fixing member 150, the fastener 140 reinforces the structural strength of the base 110 at the fixing member 150, making the base 110 less prone to deformation or cracking, thus improving the overall structural strength of the base 110 and ensuring its performance.

[0117] See Figures 3 to 4 In one embodiment, the spring extension end 131 extends out of the base 110 and has a protrusion 1312. The outer wall of the base 110 has a recess 118 corresponding to the protrusion 1312. The protrusion 1312 is at least partially installed in the recess 118. The protrusion 1312 and the fixing member 150 are located on both sides of the spring extension end 131 and are at least partially corresponding. The spring extension end 131 has a protrusion 1312 on the outer surface of the base 110. The protrusion 1312 protrudes toward the outer wall of the base 110 and can be installed in the recess 118 of the outer wall of the base 110.

[0118] When the fixing member 150 is screwed onto the terminal block, the fixing member 150 and the spring lead-out end 131 bear torque. The cooperation between the protrusion 1312 and the recess 118 can reduce the torsional deformation of the spring lead-out end 131 caused by torque. In this embodiment, the central axis of the protrusion 1312 is collinear with the central axis of the fixing member 150. Of course, in other embodiments, the central axis of the protrusion 1312 is also collinear with the central axis of the fixing member 150 and there is a gap along the second direction, as long as the protrusion 1312 and the fixing member 150 partially coincide along the second direction.

[0119] In this application, the relay 100 has a mounting component 101 arranged adjacent to a mounting opening 111. After the fastener 140 passes through the housing 120 and is installed on the mounting component 101, the fastener 140 can press and fix the housing 120 to the base 110 near the mounting opening 111. Even if the mounting opening 111 is deep, because the mounting component 101 and the mounting opening 111 are arranged adjacent to each other, the fastener 140 can strengthen the structural strength of the base 110 near the mounting opening 111, improve the structural strength of the base 110 at the mounting opening 111, prevent the base 110 from deforming or cracking at the mounting opening 111, improve the overall structural strength of the base 110, and ensure the protective effect of the base 110 and the housing 120, thereby ensuring the performance of the relay 100.

[0120] This application also provides a charging device, including a mounting base 119, a charging unit, and a relay 100 as described in any of the above embodiments. The relay 100 is disposed on the mounting base 119 and electrically connected to the charging unit to control the charging unit to be turned on or off. The charging unit is provided with a terminal block, and the spring lead-out end 131 of the relay 100 is fixed to the terminal block by a fixing member 150 to realize the electrical connection between the relay 100 and the charging unit.

[0121] The relay 100 is fixedly installed on the charging base. The relay 100 can control the charging unit to be turned on or off, thereby enabling the charging unit to charge or stop charging the device to be charged. Optionally, the charging device is an outdoor charging pile, and the charging unit is the charging circuit of the outdoor charging pile. After the charging device of this application adopts the relay 100 of the above embodiment, the fastener 140 can strengthen the structural strength of the base 110 near the mounting opening 111, which can significantly improve the structural strength of the base 110 at the mounting opening 111, and prevent the base 110 from deforming or cracking at the mounting opening 111, so as to ensure the performance of the relay 100 and thus ensure the reliability of the charging device.

[0122] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0123] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A relay, characterized in that, include: A base having a mounting component, a mounting opening on the side wall of the base extending through to the top of the base and also extending from the outer wall of the base to the inner wall of the base, the mounting component being arranged adjacent to the mounting opening; The outer casing covers the base; The contact assembly includes a movable spring lead-out end, which is disposed on the base, and one end of the movable spring lead-out end extends out of the base through the mounting opening; as well as Fasteners are inserted through the housing and installed on the mounting component to press and secure the housing to the base.

2. The relay according to claim 1, characterized in that, The mounting component is provided with a first fixing hole, the outer shell is provided with a second fixing hole corresponding to the first fixing hole, and the fastener passes through the second fixing hole and is installed in the first fixing hole.

3. The relay according to claim 2, characterized in that, The mounting component is provided with a fixing post, which protrudes from the bottom wall of the mounting component along a first direction, and the first fixing hole is located in the middle region of the fixing post.

4. The relay according to claim 2, characterized in that, The first fixing hole is provided through the mounting component, and the fastener is a rivet. The rivet passes through the second fixing hole and the first fixing hole, protrudes out, and is riveted to the surface of the mounting component away from the outer shell. Alternatively, the first fixing hole is a threaded hole, the fastener is a bolt, and the bolt passes through the second fixing hole and is tightened into the first fixing hole.

5. The relay according to claim 3, characterized in that, The mounting component further includes a mounting base, the fixing column is disposed in the mounting base, the side wall of the mounting base is disposed in the side wall of the base, and the bottom wall of the mounting base is coplanar with the bottom wall of the base.

6. The relay according to claim 5, characterized in that, The mounting component and the base are an integral structure; And / or, the mounting base includes a base plate and a plurality of upright plates, the plurality of upright plates surrounding the periphery of the base plate and connected to the side wall of the base to form a receiving cavity, the fixing post being located in the receiving cavity, and the mounting opening being located at the edge of the upright plate.

7. The relay according to claim 5, characterized in that, The mounting component also includes a reinforcing member disposed in the mounting base and connecting the outer wall of the fixing column with the inner wall of the mounting base.

8. The relay according to claim 7, characterized in that, The reinforcing member includes multiple reinforcing ribs, which are spaced apart around the periphery of the fixing column and connected to the outer wall of the fixing column, the bottom wall and the side wall of the mounting base. And / or, the reinforcing member includes a reinforcing post disposed on the periphery of the fixing post and connected to the outer periphery of the fixing post, and the reinforcing post is also connected to the bottom wall and side wall of the mounting base; And / or, the height of the reinforcing member along the first direction is less than or equal to the height of the fixing post along the first direction; And / or, the reinforcing member, the fixing column, and the mounting base are an integral structure.

9. The relay according to claim 2, characterized in that, The distance along the second direction between the edge of the mounting opening near the mounting component and the center of the first fixing hole is less than or equal to three times the dimension of the mounting opening along the second direction; And / or, the distance in a third direction between the center of the first fixing hole and the side wall of the base where the mounting opening is located is less than or equal to twice the distance in a second direction between the edge of the mounting opening near the mounting component and the center of the first fixing hole.

10. The relay according to claim 1, characterized in that, The relay includes at least two fasteners and at least two mounting components. The base has at least two mounting openings. The at least two mounting components are symmetrically arranged with respect to the central axis of the relay and are adjacent to the corresponding mounting openings. Each fastener passes through the housing and is mounted on the corresponding mounting component. And / or, the base includes a base plate and a plurality of side plates, the plurality of side plates being sequentially connected and disposed on the base plate along the circumferential direction, and the mounting opening being disposed on the side plate; And / or, the outer wall of the base facing the outer casing is provided with a first mounting part, the inner wall of the outer casing facing the base is provided with a second mounting part, the outer casing covers the base, and the first mounting part is mounted on the second mounting part.

11. The relay according to any one of claims 1 to 9, characterized in that, The contact assembly further includes a movable spring, a movable contact disposed on the movable spring, and a stationary contact opposite to the movable contact. The movable spring is disposed on the base along a second direction and can move along a third direction toward or away from the stationary contact, so that the movable contact contacts or separates from the stationary contact. The other end of the movable spring lead-out is connected to the movable spring.

12. The relay according to claim 11, characterized in that, The relay includes at least two contact components, which are spaced apart on the base along a third direction, and the stationary contact of the contact component is located at the fixed end of the moving spring in the adjacent contact component. The base is provided with at least two mounting openings, which are spaced apart on the side wall of the base. The spring lead-out end of each contact assembly extends through the corresponding mounting opening.

13. The relay according to claim 12, characterized in that, At least two of the mounting openings are located on opposite sidewalls of the base, or at least two of the mounting openings are located on the same sidewall of the base; And / or, the lengths of the spring leads in at least two of the contact assemblies are equal or different.

14. The relay according to claim 11, characterized in that, The relay also includes a fixing member, and the lead-out end of the moving spring is provided with a third fixing hole. The fixing member passes through the third fixing hole and is installed on the external terminal. The fixing member can abut against the outer wall of the mounting component.

15. The relay according to claim 14, characterized in that, The fastener and the fixing member at least partially overlap along the second direction; And / or, the surface of the spring lead-out end extending out of the base has a protrusion, the outer wall of the base has a recess corresponding to the protrusion, the protrusion is at least partially installed in the recess, the protrusion and the fixing member are located on both sides of the spring lead-out end and are at least partially corresponding.

16. A charging device, characterized in that, It includes a mounting base, a charging unit, and a relay as described in any one of claims 1 to 15, wherein the relay is disposed on the mounting base and electrically connected to the charging unit to control the charging unit to be turned on or off.

Images