Single-pole double-throw double-signal trigger device for automobile charging gun

Abstract

This utility model discloses a single-pole double-throw dual-signal triggering device for an automotive charging gun, comprising a PCB control board, a dual-signal switch, a mounting base, and a waterproof rubber pad. The dual-signal switch is mounted on the PCB control board. The mounting base engages with the PCB control board and has a mounting section. A pressing block is installed within the mounting section, and pressing protrusions are fixedly connected to the pressing block, corresponding to the dual-signal switch. The waterproof rubber pad is located inside the mounting base and covers the dual-signal switch. A pair of screw holes are fixedly connected to the mounting base, symmetrical about the central axis of the mounting base, and the screw holes are integrally formed with the mounting base. This utility model adopts a compact mechanical solution of "single switch + integrated pressing block," which can fully utilize the spatial position of the switch and pressing structure. A single switch can directly output dual-function signals, perfectly solving the key problems in the miniaturization, high reliability, and low-cost design of charging guns, and has significant practical value and market prospects.

Description

Technical Field

[0001] This utility model belongs to the technical field of new energy vehicle charging equipment, specifically relating to a single-pole double-throw dual-signal triggering device for a car charging gun. Background Technology

[0002] As one of the essential devices for charging new energy vehicles, the charging gun is a charging device that connects the charging station and the electric vehicle. It is also a tool for transmitting electricity from the power source to the car battery. It features high charging efficiency, simple operation, light weight, and small size.

[0003] Traditional charging guns typically use two independent microswitches or limit switches on the PCB inside the handle to detect the status (open / closed) of the charging head cover and confirm the charging insertion position (e.g., by connecting CC / CP signals or micro-motion detection). These are accompanied by two independent triggering mechanisms (such as a push rod on the cover or a protrusion on the slider). This design not only occupies PCB space and the gun's three-dimensional structure but also increases the complexity of the sealing design and material costs. Furthermore, under conditions of frequent insertion / removal and vibration / impact, the multi-point structure increases the potential risk of failure.

[0004] Therefore, in order to address the above-mentioned technical problems, it is necessary to provide a single-pole double-throw dual-signal triggering device for automotive charging guns.

[0005] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0006] The purpose of this invention is to provide a single-pole double-throw dual-signal triggering device for automotive charging guns, which can solve the problems mentioned above in the background.

[0007] To achieve the above objectives, the technical solution provided by a specific embodiment of this utility model is as follows:

[0008] A single-pole double-throw dual-signal triggering device for an automotive charging gun includes a PCB control board, a dual-signal switch, a mounting base, and a waterproof rubber pad. The dual-signal switch is mounted on the PCB control board. The mounting base engages with the PCB control board. The mounting base has a mounting portion, and a pressing block is installed within the mounting portion. A pressing protrusion is fixedly connected to the pressing block, and the pressing protrusion corresponds to the dual-signal switch. The waterproof rubber pad is disposed within the mounting base and covers the dual-signal switch.

[0009] In one or more embodiments of this utility model, a pair of screw holes are fixedly connected to the mounting base, the pair of screw holes are symmetrical about the central axis of the mounting base, and the screw holes are integrally formed with the mounting base.

[0010] In one or more embodiments of this utility model, a mounting screw is provided in the screw hole, and the mounting base is fixed to the charging gun by the mounting screw.

[0011] In one or more embodiments of this utility model, a pressing partition is integrally formed on the inner top wall of the mounting base, and the pressing partition is in contact with the waterproof rubber pad.

[0012] In one or more embodiments of this utility model, the mounting part is provided with a notch, and each pair of sidewalls of the notch is provided with a locking groove.

[0013] In one or more embodiments of this utility model, the pressing block includes a block body, an insert, and an elastic rib. The block body is movably disposed within the mounting portion. The insert is slidably disposed within the notch. The elastic rib is connected to the block body and the insert, respectively.

[0014] In one or more embodiments of this utility model, a fixing block is fixedly connected to each of the pair of sidewalls of the insert, and the fixing block is engaged in the engaging groove.

[0015] In one or more embodiments of this utility model, the fixing block is provided with fastening screws, and the fixing block is fixed to the mounting part by fastening screws.

[0016] In one or more embodiments of this utility model, a receiving groove is provided at the bottom of the waterproof rubber pad, and the dual signal switch is disposed in the receiving groove.

[0017] In one or more embodiments of this utility model, the upper end face of the waterproof rubber pad is provided with a rib and a positioning groove, the rib is in contact with the mounting base, the mounting base is provided with a positioning post, and the positioning post is engaged with the positioning groove.

[0018] Compared with the prior art, the present invention provides a single-pole double-throw dual-signal triggering device for an automotive charging gun, which adopts a compact mechanical solution of "single switch + integrated pressing block". It can make full use of the spatial position of the switch and pressing structure, and can directly output dual-function signals through a single switch. It perfectly solves the key problems in the miniaturization, high reliability and low cost design of charging guns, and has significant practical value and market prospects. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a perspective view of a single-pole double-throw dual-signal triggering device for an automotive charging gun according to an embodiment of the present invention;

[0021] Figure 2 This is a cross-sectional view of a single-pole double-throw dual-signal triggering device for an automotive charging gun according to an embodiment of the present invention;

[0022] Figure 3 This is a perspective view of the PCB control board and waterproof rubber pad in one embodiment of the present invention;

[0023] Figure 4 This is a perspective view of a waterproof rubber pad in one embodiment of the present invention;

[0024] Figure 5 This is a perspective view of the mounting base in one embodiment of the present invention;

[0025] Figure 6 for Figure 5 Schematic diagram of the structure at point A in the middle;

[0026] Figure 7 for Figure 5 Schematic diagram of the structure at point B.

[0027] Explanation of key figure labels:

[0028] 1-PCB control board, 2-Dual signal switch, 3-Mounting base, 301-Mounting part, 3011-Notch, 3012-Clamping groove, 302-Pressing block, 3021-Block body, 3022-Insert part, 3023-Elastic rib, 3024-Fixing block, 303-Pressing protrusion, 304-Screw hole, 305-Mounting screw, 306-Pressure partition, 4-Waterproof rubber pad, 401-Receiving groove, 402-Protruding rib, 403-Positioning groove. Detailed Implementation

[0029] To enable those skilled in the art to better understand the technical solutions in this disclosure, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this disclosure.

[0030] like Figures 1 to 7 As shown, an embodiment of this utility model discloses a single-pole double-throw dual-signal triggering device for an automotive charging gun, comprising a PCB control board 1, a dual-signal switch 2, a mounting base 3, and a waterproof rubber pad 4. The dual-signal switch 2 is mounted on the PCB control board 1. The mounting base 3 engages with the PCB control board 1. The mounting base 3 has a mounting portion 301, within which a pressing block 302 is installed. A pressing protrusion 303 is fixedly connected to the pressing block 302, and the pressing protrusion 303 corresponds to the dual-signal switch 2. The waterproof rubber pad 4 is located within the mounting base 3 and covers the dual-signal switch 2.

[0031] assemble the PCB control board 1, dual signal switch 2, mounting base 3, and waterproof rubber pad 4 according to... Figure 2 When installed as shown, under normal conditions, the pressing protrusion 303 will not contact the dual-signal switch 2, meaning the dual-signal switch 2 will not be pressed, and the PCB control board 1 will not output a signal. When cover opening detection and charging status confirmation are required, the pressing block 302 inside the mounting part 301 is pressed. The pressing block 302, through the pressing protrusion 303, squeezes the waterproof rubber pad 4 and presses the dual-signal switch 2. The dual-signal switch 2 outputs two signals through the PCB control board 1: one is a cover opening signal, and the other is a charging signal. This application reliably achieves the triggering of two key functional signals through a single physical switch, resulting in a simple and efficient solution. Furthermore, the design of the dual-signal switch 2 and the integrated pressing block structure makes it more adaptable to the harsh operating conditions such as vibration and impact faced by the charging gun, extending its service life.

[0032] like Figures 1 to 7 As shown, a pair of screw holes 304 are fixedly connected to the mounting base 3. The pair of screw holes 304 are symmetrical about the central axis of the mounting base 3, and the screw holes 304 are integrally formed with the mounting base 3. Mounting screws 305 are provided in the screw holes 304, and the mounting base 3 is fixed to the charging gun by the mounting screws 305. This arrangement ensures a firm connection between the mounting base 3 and the charging gun.

[0033] The mounting base 3 has an integrally formed clamping partition 306 on its inner top wall, which is in contact with the waterproof rubber pad 4. The clamping partition 306 can fix the waterproof rubber pad 4, ensuring the waterproof effect of the waterproof rubber pad 4 on the PCB control board 1 and the dual signal switch 2.

[0034] like Figures 5 to 6 As shown, the mounting part 301 is provided with a notch 3011, and both sides of the notch 3011 are provided with engagement grooves 3012.

[0035] like Figures 1 to 7 As shown, the pressing block 302 includes a block body 3021, an insert 3022, and an elastic rib 3023. The block body 3021 is movably disposed within the mounting portion 301. The insert 3022 is slidably disposed within the notch 3011. The elastic rib 3023 is connected to both the block body 3021 and the insert 3022. This design facilitates the replacement of the pressing block 302, rather than requiring the replacement of the mounting base 3 and the pressing block 302 as a whole, thereby improving the utilization rate of the mounting base 3 and reducing operating costs.

[0036] In this embodiment, the block 3021 and the pressing protrusion 303 are integrally formed, and under the action of the elastic rib 3023 and the waterproof rubber pad 4, the pressing protrusion 303 will not press the dual signal switch 2 in its natural state, and thus will not cause the PCB control board 1 to output dual signals.

[0037] The insert 3022 has a fixing block 3024 fixedly connected to each of its two side walls, and the fixing block 3024 engages in the engaging groove 3012. By engaging the fixing block 3024 in the engaging groove 3012, the insert 3022 can be fixed in the notch 3011, thereby realizing the connection between the pressing block 302 and the mounting part 301.

[0038] In addition, the fixing block 3024 is provided with fastening screws. The fixing block 3024 is fixed to the mounting part 301 by the fastening screws, so that the insert 3022 is not easy to fall out of the notch 3011, and the connection of the pressing block 302 is guaranteed.

[0039] like Figures 1 to 7 As shown, the bottom of the waterproof rubber pad 4 is provided with a receiving groove 401, and the dual signal switch 2 is located in the receiving groove 401 to accommodate the dual signal switch 2, so that the pressing protrusion 303 can be pressed.

[0040] The waterproof rubber pad 4 has a raised rib 402 and a positioning groove 403 on its upper surface. The raised rib 402 contacts the mounting base 3, and the mounting base 3 has a positioning post that engages with the positioning groove 403. By setting the raised rib 402 and inserting the positioning post into the positioning groove 403, the waterproof effect of the waterproof rubber pad 4 on the PCB control board 1 and the dual signal switch 2 can be increased.

[0041] In summary, this application adopts a compact mechanical solution of "single switch + integrated pressing block," that is, the cooperation between the dual-signal switch 2 and the pressing block 302 can make full use of the spatial position of the switch and pressing structure, and a single switch can directly output dual-function signals, perfectly solving the key problems in the miniaturization, high reliability, and low cost design of charging guns. At the same time, the replaceable pressing block 302 can also reduce the overall operating cost.

[0042] It will be apparent to those skilled in the art that this disclosure is not limited to the details of the exemplary embodiments described above, and that this disclosure can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of this disclosure is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this disclosure. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0043] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A single-pole double-throw double-signal trigger device for an automobile charging gun, characterized in that, include: PCB control board; A dual-signal switch is mounted on the PCB control board; The mounting base engages with the PCB control board. The mounting base has a mounting part, and a pressing block is installed inside the mounting part. A pressing protrusion is fixedly connected to the pressing block, and the pressing protrusion corresponds to the dual signal switch. A waterproof rubber pad is placed inside the mounting base and covers the dual signal switch.

2. The single pole double throw double signal trigger device of claim 1, wherein, The mounting base is fixedly connected to a pair of screw holes, which are symmetrical about the central axis of the mounting base and are integrally formed with the mounting base.

3. The single-pole double-throw dual-signal triggering device for an automotive charging gun according to claim 2, characterized in that, The screw hole is provided with a mounting screw, and the mounting base is fixed to the charging gun by the mounting screw.

4. The single pole double throw double signal trigger device of claim 1, wherein, The mounting base has an integrally formed pressure partition plate on its inner top wall, and the pressure partition plate is in contact with the waterproof rubber pad.

5. The single pole double throw double signal trigger device of claim 1, wherein, The mounting part is provided with a notch, and each pair of side walls of the notch is provided with a locking groove.

6. The single-pole double-throw double-signal trigger device of claim 5, wherein, The pressing block includes: The block is movably disposed within the mounting portion; An insert is slidably disposed within the notch; Elastic ribs are connected to the block and the insert respectively.

7. The single-pole double-throw double-signal trigger device of claim 6, wherein, Each of the two side walls of the insert is fixedly connected to a fixing block, and the fixing block is engaged in the engaging groove.

8. The single-pole double-throw dual-signal triggering device for an automotive charging gun according to claim 7, characterized in that, The fixing block is provided with fastening screws, and the fixing block is fixed to the mounting part by fastening screws.

9. The single pole double throw double signal trigger device of claim 1, wherein, The bottom of the waterproof rubber pad is provided with a receiving groove, and the dual signal switch is located in the receiving groove.

10. The single-pole double-throw double-signal trigger device of claim 1, wherein, The upper surface of the waterproof rubber pad is provided with a raised rib and a positioning groove. The raised rib contacts the mounting base, and the mounting base is provided with a positioning post, which engages with the positioning groove.

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