A secondary injection type charging gun button structure
Patent Information
- Application Number
- CN202522063708.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-25
- Publication Date
- 2026-09-11
- Estimated Expiration
- 2035-09-25
AI Technical Summary
针对现有技术的不足，本实用新型提供了一种二次注塑式的充电枪按钮结构，解决了通常采用金属材料一体制成，从而使用金属材料生产成本较高，并且重量较大，使得充电枪的整体重量增大而不易操作，由于现有的充电枪按钮结构大多是一个整体零件，从而制作工艺较为复杂，增加了制作成本的问题
（一）、该二次注塑式的充电枪按钮结构，将传统的一体成型的按钮改为两个二次注塑的简单零件，降低了工艺的复杂度，简化了工艺，降低了生产工艺的成本，并且将整体使用金属制成改为塑料和金属拼接制成，降低了材料的成本，同时降低了按钮的整体重量，实现了轻量化，更加方便人们手持使用，通过金属件的使用同样可以保证按钮的使用强度和使用寿命。
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Figure CN224745619U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of charging gun technology, specifically a secondary injection molded charging gun button structure. Background Technology
[0002] With the popularization of new energy vehicles, charging piles have become one of the essential charging devices for electric vehicles. To ensure that the charging gun is not easily pulled out during the charging process, a locking hole is set on the electric vehicle and a locking structure is set on the charging gun. During charging, the locking mechanism is used to lock the charging gun onto the locking hole to fix it on the electric vehicle. The cost of using new energy vehicles has always been a topic of concern, and the investment cost of charging piles throughout the entire usage process is also a major issue for major charging pile manufacturers in deploying charging piles. The cost of the charging gun on the charging pile is also an important procurement indicator for charging gun suppliers. As a manufacturer of charging guns, it is necessary to meet increasingly stringent standards and minimize the cost of charging guns. Therefore, it is necessary to control product costs from the design stage.
[0003] Existing secondary injection molded charging gun button structures are usually made of a single piece of metal, which results in higher production costs and greater weight, making the overall weight of the charging gun heavier and more difficult to operate. Since most existing charging gun button structures are single parts, the manufacturing process is more complex, increasing production costs. Utility Model Content
[0004] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides a secondary injection-molded charging gun button structure, which solves the problems of the high production cost and weight of metal materials used in traditional charging guns, which increase the overall weight of the charging gun and make it difficult to operate. Furthermore, since most existing charging gun button structures are single-piece parts, the manufacturing process is more complex, increasing production costs.
[0005] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a secondary injection-molded charging gun button structure, comprising a handle and a gun head, wherein the gun head is fixedly mounted on one side of the handle, a mounting groove is provided on the top of the handle, a through hole is provided on one side of the bottom of the mounting groove, a button assembly is provided on the top of the handle, the button assembly comprises an injection-molded part, and a metal part is embedded in the bottom of the injection-molded part, the injection-molded part is made of plastic, and the metal part is made of metal. In this invention, a micro switch is installed inside the mounting groove using bolts, a cable is passed through a sealing ring, and the sealing ring is then inserted into the wire hole. An electronic lock is then fixed to one side of the mounting groove using bolts, and the micro switch is fixed to the mounting groove using bolts. On the other side, the injection-molded part with embedded metal parts is then inserted into the mounting groove. A pin is used to pass through the second pin hole and the first pin hole, and then the pin is fixed with screws. This allows the injection-molded part to be installed on the top of the handle. One side of the injection-molded part presses against the top of the micro switch. When one side of the injection-molded part is pressed, the micro switch is turned on, allowing the charging gun to be pulled out. A reset spring allows the button to automatically reset. The button structure, which is made of both plastic injection-molded parts and metal parts, not only reduces weight but also maintains a certain strength, achieving a lightweight design and saving costs. The previous one-piece molding process is simplified to two simple parts, simplifying the production process and reducing production costs.
[0006] Preferably, a first pin hole is provided in the middle of the bottom of the injection molded part, and a second pin hole is provided in the top of the handle. A pin shaft is inserted between the first pin hole and the second pin hole. A screw is threaded to one end of the pin shaft. A pressure plate is fixedly connected to one side of the bottom of the injection molded part. A fixing groove is provided on one side of the bottom of the injection molded part. The fixing groove is located on the side close to the pressure plate. A return spring is elastically connected between the inside of the fixing groove and the inner wall of the mounting groove.
[0007] Preferably, the button assembly further includes a micro switch, which is fixedly installed on one side of the mounting groove, and an electronic lock is fixedly installed on the other side of the mounting groove, the electronic lock being located on the side near the pressure plate.
[0008] Preferably, a cable is fixedly connected to one side of the micro switch, and a rotating post is rotatably connected to the other side of the micro switch. In this invention, the micro switch is normally in a pressed state. When it is lifted, the switch is triggered. When the charging gun is inserted into the socket in the vehicle for charging, the electronic lock automatically locks, that is, the rotating post on the electronic lock abuts against the pressure plate, so that people cannot press one side of the injection molded part, that is, they cannot press the button, and it is in a charging protection state, preventing the charging gun from being accidentally pulled out or forcibly pulled out during the charging process, thus improving the safety of the charging gun during use. After charging is completed, the electronic lock automatically opens, that is, the rotating post turns to the other side, so that people can press the button, thereby lifting the other side of the injection molded part, opening the switch and pulling out the charging gun.
[0009] Preferably, a manual unlocking lever is fixedly connected to the bottom of the rotating column. The manual unlocking lever passes through the through hole and extends to the outside of the handle. In this invention, the electronic lock has a manual unlocking function. When the charging gun is charging normally and the user does not want to continue charging, the user can move the manual unlocking lever to stop the rotating column from continuing to abut against the pressure plate, thereby enabling the user to press the button to unlock and pull out the charging gun.
[0010] Preferably, a wire hole is provided on one side of the mounting groove, and a sealing ring is inserted into the wire hole. One end of the cable passes through the sealing ring and extends to the bottom inside the handle. A boss is provided on the surface of the sealing ring, which facilitates the sealing ring to be tightly locked inside the wire hole. In this invention, the sealing ring can increase the sealing between the cable and the handle, and the boss can be used to remove or insert the sealing ring from the wire hole at any time, making it convenient and simple to use, and the sealing performance is also good.
[0011] (III) Beneficial Effects This utility model provides a secondary injection molded charging gun button structure. It has the following beneficial effects: (i) The secondary injection molding charging gun button structure changes the traditional one-piece button to two simple secondary injection molding parts, which reduces the complexity of the process, simplifies the process, and reduces the cost of production. In addition, the overall metal material is changed to plastic and metal splicing, which reduces the cost of materials and reduces the overall weight of the button, achieving lightweighting and making it more convenient for people to hold and use. The use of metal parts can also ensure the strength and service life of the button.
[0012] (ii) The button structure of this secondary injection-molded charging gun, through the setting of micro switches, electronic locks, rotating columns, pressure plates and manual unlocking dials, can prevent the charging gun from being accidentally or forcibly pulled out during normal charging, ensuring safety during the charging process. In addition, when people urgently need to pull out the charging gun, they can pull out the charging gun by flipping the manual unlocking dial, which improves the safety of the charging gun during use and also allows them to freely choose the charging time.
[0013] (III) The secondary injection molding charging gun button structure, through the setting of the fixing groove and the reset spring, allows the micro switch to be turned on when one side of the button is pressed, so that the charging gun can be pulled out. Then, the reset spring can automatically reset the button, which improves the convenience of use and ensures that the micro switch is in the pressed state under normal conditions, ensuring the normal use of the charging gun's protective function. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall front structure of this utility model; Figure 2 This is a structural diagram showing the disassembled button assembly of this utility model; Figure 3 This is a cross-sectional view of the overall front of this utility model; Figure 4 This is a schematic diagram of the side structure of the electronic lock of this utility model; Figure 5 This is a side sectional view of the sealing ring of this utility model.
[0015] In the diagram: 1. Handle; 2. Gun head; 3. Mounting slot; 4. Button assembly; 41. Injection molded part; 42. Metal part; 43. First pin hole; 44. Second pin hole; 45. Pin shaft; 46. Screw; 47. Pressure plate; 48. Fixing slot; 49. Return spring; 410. Micro switch; 411. Electronic lock; 412. Cable; 413. Rotary column; 414. Manual unlocking dial; 415. Wire hole; 416. Sealing ring; 5. Through hole. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] See Figure 1-5This utility model provides a technical solution: a secondary injection-molded charging gun button structure, which includes a handle 1 and a gun head 2. The gun head 2 is fixedly installed on one side of the handle 1. The top of the handle 1 has a mounting groove 3, and the bottom side of the mounting groove 3 has a through hole 5. The top of the handle 1 is provided with a button assembly 4, which includes an injection-molded part 41 and a metal part 42 embedded in the bottom of the injection-molded part 41. The injection-molded part 41 is made of plastic, and the metal part 42 is made of metal. Specifically, a micro switch 410 is installed inside the mounting groove 3 using bolts, a cable 412 is passed through a sealing ring 416, and the sealing ring 416 is inserted into the wire hole 415. Then, an electronic lock 411 is fixed to one side of the mounting groove 3 with bolts, and the micro switch 410 is fixed to the other side of the mounting groove 3 with bolts. The injection-molded part 41, with the metal part 42 embedded, is inserted into the mounting groove 3. A pin 45 passes through the second pin hole 44 and the first pin hole 43, and then a screw 46 is used to fix the pin 45, so that the injection-molded part 41 can be installed on the top of the handle 1. One side of the injection-molded part 41 presses against the top of the micro switch 410. When one side of the injection-molded part 41 is pressed, the micro switch 410 is opened, and the charging gun can be pulled out. The reset spring 49 can automatically reset the button. The button structure, which is composed of the injection-molded part 41 made of plastic and the metal part 42 made of metal, not only reduces the weight but also maintains a certain strength of the button as a whole, realizing the lightweight design of the button and saving costs. The previous one-piece molding process is simplified to two simple parts, simplifying the production process and reducing production costs.
[0018] The injection molded part 41 has a first pin hole 43 in the middle of its bottom, and a second pin hole 44 is provided at the top of the handle 1. A pin 45 is inserted between the first pin hole 43 and the second pin hole 44. A screw 46 is threaded to one end of the pin 45. A pressure plate 47 is fixedly connected to one side of the bottom of the injection molded part 41. A fixing groove 48 is provided on one side of the bottom of the injection molded part 41. The fixing groove 48 is located on the side close to the pressure plate 47. A return spring 49 is elastically connected between the inside of the fixing groove 48 and the inner wall of the mounting groove 3.
[0019] The button assembly 4 also includes a micro switch 410, which is fixedly installed on one side of the mounting groove 3. An electronic lock 411 is fixedly installed on the other side of the mounting groove 3, and the electronic lock 411 is located on the side close to the pressure plate 47.
[0020] The micro switch 410 has a cable 412 fixedly connected to one side and a rotating post 413 rotatably connected to the other side. Specifically, the micro switch 410 is normally in a pressed state. When it is lifted, the switch is triggered. When the charging gun is inserted into the socket in the vehicle for charging, the electronic lock 411 automatically locks. That is, the rotating post 413 on the electronic lock 411 is pressed against the pressure plate 47, so that people cannot press one side of the injection molded part 41, that is, they cannot press the button. It is in a charging protection state, which prevents the charging gun from being accidentally or forcibly pulled out during the charging process, thus improving the safety of the charging gun during use. After charging is completed, the electronic lock 411 automatically opens, that is, the rotating post 413 turns to the other side, so that people can press the button, thereby lifting the other side of the injection molded part 41, opening the switch and pulling out the charging gun.
[0021] The bottom of the rotating column 413 is fixedly connected to a manual unlocking lever 414. The manual unlocking lever 414 passes through the through hole 5 and extends to the outside of the handle 1. Specifically, the electronic lock 411 has a manual unlocking function. When the charging gun is charging normally and the user does not want to continue charging, the user can move the manual unlocking lever 414 so that the rotating column 413 no longer abuts against the pressure plate 47, thereby allowing the user to press the button to unlock and pull out the charging gun.
[0022] The mounting groove 3 has a wire hole 415 on one side, and a sealing ring 416 is inserted into the wire hole 415. One end of the cable 412 passes through the sealing ring 416 and extends to the bottom of the handle 1. The surface of the sealing ring 416 has a boss, which makes it easy for the sealing ring 416 to be tightly locked inside the wire hole 415. Specifically, the sealing ring 416 can increase the sealing between the cable 412 and the handle 1. The boss can also be used to remove or insert the sealing ring 416 from the wire hole 415 at any time, which is convenient and simple to use, and the sealing performance is also good.
[0023] Among them, the injection molded part 41 is made of plastic and the metal part 42 is made of metal. Specifically, the button structure formed by the injection molded part 41 made of plastic and the metal part 42 made of metal not only reduces the weight but also maintains a certain strength of the button as a whole, realizing the lightweight design of the button and saving costs. It simplifies the previous one-piece molding process into two simple parts, simplifies the production process and reduces production costs.
[0024] Working principle: When assembling the button assembly 4, firstly, the micro switch 410 is installed inside the mounting groove 3 using bolts. The cable 412 is passed through the sealing ring 416, and then the sealing ring 416 is inserted into the wire hole 415. Then, the electronic lock 411 is fixed to one side of the mounting groove 3 with bolts, and the micro switch 410 is fixed to the other side of the mounting groove 3 with bolts. Then, the injection molded part 41 with the embedded metal part 42 is also inserted into the mounting groove 3. The pin 45 passes through the second pin hole 44 and the first pin hole 43, and then the pin 45 is fixed with screws 46, so that the injection molded part 41 can be installed on the top of the handle 1. One side of the injection molded part 41 presses against the top of the micro switch 410. When the button assembly 4 is working, the micro switch 410 is normally in the pressed state. When it is lifted, the switch is triggered, charging... When the electric gun is plugged into the socket on the vehicle for charging, the electronic lock 411 automatically locks, that is, the rotating pin 413 on the electronic lock 411 abuts against the pressure plate 47, so that people cannot press one side of the injection molded part 41, that is, they cannot press the button, and it is in a charging protection state, preventing the charging gun from being accidentally or forcibly pulled out during the charging process, thus improving the safety of the charging gun during use. After charging is completed, the electronic lock 411 automatically opens, that is, the rotating pin 413 turns to the other side, so that people can press the button, so that the other side of the injection molded part 41 is lifted, and the switch is turned on to pull out the charging gun. The electronic lock 411 has a manual unlocking function. When the charging gun is charging normally and the user does not want to continue charging, the manual unlocking lever 414 can be toggled so that the rotating pin 413 no longer abuts against the pressure plate 47, so that the button can be pressed to unlock and pull out the charging gun.
[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A structure of a charging gun button of a secondary injection, comprising a handle (1) and a gun head (2), characterized in that: The gun head (2) is fixedly installed on one side of the handle (1). The top of the handle (1) is provided with a mounting groove (3), and the bottom side of the mounting groove (3) is provided with a through hole (5). The top of the handle (1) is provided with a button assembly (4). The button assembly (4) includes an injection molded part (41). The bottom of the injection molded part (41) is embedded with a metal part (42). The injection molded part (41) is made of plastic, and the metal part (42) is made of metal material.
2. The secondary injection molding type charging gun button structure according to claim 1, characterized in that: The injection molded part (41) has a first pin hole (43) in the middle of its bottom, and the handle (1) has a second pin hole (44) in the top. A pin shaft (45) is inserted between the first pin hole (43) and the second pin hole (44). A screw (46) is threaded to one end of the pin shaft (45). A pressure plate (47) is fixedly connected to one side of the bottom of the injection molded part (41). A fixing groove (48) is opened on one side of the bottom of the injection molded part (41). The fixing groove (48) is located on the side close to the pressure plate (47). A return spring (49) is elastically connected between the inside of the fixing groove (48) and the inner wall of the mounting groove (3).
3. The secondary injection molding type charging gun button structure according to claim 2, characterized in that: The button assembly (4) also includes a micro switch (410), which is fixedly installed on one side of the mounting groove (3). An electronic lock (411) is fixedly installed on the other side of the mounting groove (3), and the electronic lock (411) is located on the side close to the pressure plate (47).
4. The secondary injection molding type charging gun button structure according to claim 3, characterized in that: A cable (412) is fixedly connected to one side of the micro switch (410), and a rotating post (413) is rotatably connected to the other side of the micro switch (410).
5. The push button structure of a charging gun of a two-shot injection molding type according to claim 4, characterized in that: The bottom of the rotating column (413) is fixedly connected to a manual unlocking lever (414), which passes through the through hole (5) and extends to the outside of the handle (1).
6. The push button structure of a charging gun of a two-shot injection molding type according to claim 4, characterized in that: A wire hole (415) is provided on one side of the mounting groove (3). A sealing ring (416) is plugged into the wire hole (415). One end of the cable (412) passes through the sealing ring (416) and extends to the bottom inside the handle (1). A boss is provided on the surface of the sealing ring (416). The boss facilitates the sealing ring (416) to be tightly locked inside the wire hole (415).