Charging gun

Abstract

The utility model provides a charging gun, which comprises a main shell, the left side part of the main shell is provided with a cavity, the upper side of the left side part of the main shell is connected with an upper shell, one end of the upper shell is provided with a through hole for accommodating a fingerprint module, the left side part of the main shell is provided with a main platform, and a microswitch is arranged on the main platform. The upper side of the microswitch is in contact with a pressing part of the clamping hook, the pressing part is in contact with the upper shell, the clamping hook is installed on the main platform, a fixing base is arranged at one end of the clamping hook, the fingerprint module is installed and fixed to the fixing base or the fingerprint module penetrates through the fixing base and is installed and fixed to the main platform, and the plug shell is connected with the left side of the left side part of the main shell. One side of the plug shell is provided with a post-pin insulator, the post-pin insulator is provided with a clamping groove, and a circuit board and a circuit adapter plate of the radio frequency module are fixed in the clamping groove. By designing the special clamping hook, the fingerprint module and the microswitch are integrated at one position, and the automobile charging socket cover is automatically opened while the charging gun is unlocked.

Description

Technical Field

[0001] The utility model relates to the technical field of charging guns for new energy electric vehicles, and in particular to a charging gun. Background Art

[0002] With the popularity of new energy products (such as electric vehicles), the demand for charging corresponding new energy products has become more urgent. The equipment for charging new energy vehicles on the market is a charging gun. When the charging gun is used on a private charging pile, in order to prevent it from being stolen, the switch is usually locked in a box, or the charging pile is equipped with a card swiping function, or the charging pile is equipped with a password input function. Such methods require the use of additional systems to achieve security functions. In order to protect the charging gun from being removed and damaged by others, the entire gun and cable need to be locked in a box together. In order to protect the charging socket on the car from being damaged or leaking water, electric vehicles will also make a cover to cover the socket to protect the socket. Utility Model Content

[0003] At present, private charging piles all use additional systems to ensure that they will not be stolen, and when not charging, the charging gun is hung on the empty gun seat, and anyone can remove the charging gun at will, which may cause the charging gun to be removed and damaged by others. At the same time, before plugging the charging gun into the car, it is necessary to manually open the cover of the charging socket from the car, which is inconvenient to operate. It can be seen that there are actual situations such as charging guns being stolen and charging and plugging being inconvenient. In view of this, the utility model provides a charging gun to simultaneously solve the technical problem of locking the charging gun for anti-theft and conveniently unlocking for charging. The specific technical solution is as follows:

[0004] A charging gun, comprising:

[0005] A main shell, the left side of the main shell has a cavity, the upper side of the left side of the main shell is connected to the upper shell, one end of the upper shell has a through hole in the vertical direction to accommodate the fingerprint module, and the left side of the main shell is provided with a main platform, wherein,

[0006] A micro switch is mounted on the main platform, the upper side of the micro switch is in contact with a pressing portion on the hook, wherein the pressing portion is in contact with the upper shell, the hook is mounted on the main platform and one end of the hook is provided with a fixing seat, the fingerprint module is mounted in the fixing seat or the fingerprint module passes through the fixing seat and is mounted on the main platform, and,

[0007] A plug housing connected to the left side of the left side of the main housing, a pin-rear insulator is installed on one side of the plug housing, a card slot is provided on the pin-rear insulator, and a circuit board and a circuit adapter board of the radio frequency module are placed and fixed in the card slot, wherein:

[0008] The radio frequency module is configured to transmit a signal to the electric vehicle to open the socket cover when the micro switch is closed, and the circuit adapter board is configured to receive the signal of the fingerprint module and transmit it to the charging pile, receive the charging pile signal and transmit it to the micro switch, and the charging pile signal controls the opening and closing of the micro switch.

[0009] Further,

[0010] The hook is installed in the cavity between the upper shell and the main shell, and a barb is provided at one end of the hook. The angle between the barb and the main body of the hook is less than or equal to 90°. The upper side of the plug shell is in contact with the hook, at least part of the plug shell is located on the right side of the barb, and part of the plug shell is on the same horizontal line as the barb.

[0011] Further,

[0012] The number of the barbs is two or more, and the end of the hook provided with the barbs is fan-shaped.

[0013] Further,

[0014] A wiring assembly is installed on the main platform, the wiring assembly is located on one side of the micro switch, and the wiring assembly is used to fix the wires connecting the fingerprint module and the circuit adapter board.

[0015] Further,

[0016] The fingerprint module is provided with a support base, and the support base is connected to the main platform to support and fix the fingerprint module.

[0017] Further,

[0018] The card slot includes a first card slot and a second card slot, the first card slot is used to place and fix the circuit board of the radio frequency module, and the second card slot is used to place and fix the circuit adapter board.

[0019] Further,

[0020] The main platform divides the left side of the main shell into an upper cavity and a lower cavity. A first fixing seat is provided on the main platform, the micro switch is installed on the first fixing seat, and the wires connected to the micro switch are placed in the lower cavity; a second fixing seat is provided on the main platform, the wiring assembly is installed on the second fixing seat, and the wires connected to the fingerprint module are placed in the lower cavity; a third fixing seat is provided on the main platform, and the hook is installed on the third fixing seat; a fourth fixing seat is provided on the main platform, and the plug shell is connected to the fourth fixing seat, so as to partially combine the plug shell with the main shell.

[0021] Further,

[0022] The pressing portion is in point contact with the upper shell, the pressing portion is in point contact with the micro switch, and the two contact points are located on the same vertical line.

[0023] Further,

[0024] At least a portion of the upper shell has a curvature or an inclined surface, and the portion of the upper shell having the curvature or the inclined surface contacts the pressing portion.

[0025] Beneficial effects:

[0026] By designing a special hook, the fingerprint module and the micro switch are integrated in one place, so that the charging gun can be unlocked and the car charging socket cover can be automatically opened at the same time. For the locking of the charging gun against theft, no additional device (such as a lock box, etc.) is required; for opening the car charging socket cover, the user does not need to walk near the car body to manually open the cover; and these two functions can be realized at the same time, thereby facilitating the use of the charging gun. Therefore, the charging gun provided by the utility model can better serve the daily charging of the car.

[0027] A main platform is set on the main shell to divide the cavity on the left side of the main shell and facilitate the arrangement of other components. The main platform is provided with the first to fourth fixing seats to facilitate the installation and arrangement of components such as hooks, fingerprint modules, and micro switches. The main platform divides the left side of the main shell into an upper cavity and a lower cavity. The upper cavity is used to install various components, and the lower cavity is used for wiring. The space layout is arranged reasonably to avoid confusion in component arrangement and wiring, and better utilize the narrow space inside the charging gun. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A cross-sectional view of a charging gun according to an embodiment of the present application;

[0029] Figure 2 An exploded view of a charging gun according to an embodiment of the present application;

[0030] Figure 3 This is a schematic diagram of the cross-sectional exploded structure of a charging gun according to an embodiment of the present application;

[0031] Figure 4 A top view of the main housing of the charging gun according to an embodiment of the present application;

[0032] The following are the descriptions of the accompanying figures:

[0033] 1. Upper shell;

[0034] 2. Main shell; 21. Main platform; 22. First fixing seat; 23. Second fixing seat; 24. Third fixing seat; 25. Fourth fixing seat; 26. Lower cavity;

[0035] 3. Hook; 31. First convex portion; 32. Pressing portion; 33. Fixed seat; 34. Fixed sheet; 35. Card shaft;

[0036] 4. Fingerprint module; 41. Support seat; 42. Wiring assembly;

[0037] 5. Micro switch;

[0038] 6. Insulator behind the needle; 61. First card slot; 62. Second card slot;

[0039] 7. Plug housing. DETAILED DESCRIPTION

[0040] In the following description, directional terms such as "up", "down", "left", "right", "front" and "back" are used. It should be understood that these directional terms are with respect to the directions shown in the figures, and the terms are used for the convenience of description rather than to limit the present invention.

[0041] exist Figure 1 , Figure 2 The upper right corner of the is used to indicate the directions related to up, down, left and right, with the direction horizontally toward the plug housing 7 being defined as left, and the direction vertically toward the upper housing 1 being defined as up;

[0042] Regarding the front and rear directions (not shown in the figure), Figure 1 , 2 The side shown is the front, and the back side of the side shown is the back. Of course, it can also be understood in this way. When the charging gun is placed as shown in Figure 2 As shown, from the right view angle (i.e., right view) of the charging gun, the left direction of the right view angle (i.e., right view) is Figure 1 , 2 The front direction in the right view (i.e., the right direction of the right view) is Figure 1 , 2 in the posterior direction;

[0043] about Figure 3 The direction in the figure indicates that Figure 3 Perspective and Figure 1 , 2 are not the same. Figure 3 is from Figure 1 , 2 The charging gun is shown in the figure from the right rear perspective, so for the convenience of uniform description of directional terms in the following text, Figure 3The upper right corner of the figure shows the direction, with the direction horizontally toward the plug housing 7 being defined as left, and the direction vertically toward the upper housing 1 being defined as up.

[0044] like Figure 1 , Figure 2 As shown, the utility model provides a charging gun, which is unfolded in the order of the hierarchical structure from outside to inside.

[0045] The outer layer components of the charging gun include: a main housing 2, an upper housing 1 connected to the main housing 2, and a plug housing 7 connected to the main housing 2, wherein the main housing 2 can be divided into two parts, a left side and a right side, wherein the left and right sides of the main housing 2 are cylindrical with a cavity inside.

[0046] In another embodiment, the diameter of the cylinder on the left side of the main housing 2 is greater than the diameter of the cylinder on the right side of the main housing 2;

[0047] In another embodiment, the angle between the left and right parts of the main housing 2 is about 135°. Of course, the angle is not limited thereto, for example, it can be about 90°, and for example, it can be within the range of 90° to 180°, so as to facilitate holding and plugging in the charging gun.

[0048] The upper shell 1 is connected to the left side of the main shell 2, and the connection method can be snap connection, strong glue bonding, screw connection, etc. One end of the upper shell 1 is provided with a circular through hole in the vertical direction to accommodate the fingerprint module 4;

[0049] The first end (i.e., the left side) of the plug housing 7 is used to contact and be inserted into the charging socket, and the second end (i.e., the right side) of the plug housing 7 is connected to the left side portion of the main housing 2. Specifically, the second end (i.e., the right side) of the plug housing 7 is inserted into the cavity of the left side portion of the main housing 2.

[0050] The inner components of the charging gun are mainly concentrated in the cavity jointly constructed by the plug housing 7, the upper housing 1 and the left part of the main housing 2. Specifically, they include: a pin-rear insulator 6 installed at the second end of the plug housing 7, which can be installed by snap-fit, super glue bonding, screws, etc. The pin-rear insulator 6 provides a card slot for placing and fixing the PCB circuit board. The card slot is arranged in the horizontal direction (i.e., the left-right direction) and the card slot opening faces right (i.e., away from the second end of the plug housing 7). The depth and width of the card slot are adapted to the length and width of the PCB circuit board. The PCB circuit board is inserted into the corresponding card slot horizontally to be fixed;

[0051] In another embodiment, an undercut is provided at the notch of the card slot, so that the PCB circuit board cannot be removed after being installed therein, thereby achieving a fixing effect;

[0052] In another embodiment, the card slot includes a first card slot 61 and a second card slot 62, wherein the first card slot 61 is used to place and fix a PCB circuit board of a radio frequency module, and the second card slot 62 is used to place and fix a circuit adapter board; the radio frequency module is used to transmit a radio frequency signal to the electric vehicle, and when the electric vehicle receives the radio frequency signal, the charging socket of the electric vehicle is turned on;

[0053] The circuit adapter board is connected to the radio frequency module, the fingerprint module 4, and the micro switch 5 through wires. The circuit adapter board is connected to the charging pile through the charging gun plug. The circuit adapter board serves as the circuit transfer hub of the charging gun. When the user verifies the fingerprint, that is, the fingerprint module 4 successfully recognizes the predetermined fingerprint, the fingerprint module 4 outputs an unlocking signal, and the unlocking signal is transmitted to the charging pile through the circuit adapter board. After the charging pile receives the unlocking signal, the electronic lock of the empty seat on the charging pile is opened. Before the electronic lock of the empty seat on the charging pile is opened, the circuit corresponding to the micro switch 5 is normally open, that is, it is in a disconnected state, and the user cannot close or start the micro switch 5;

[0054] The fingerprint module 4 is in the shape of a short cylinder, wherein the outer side of the fingerprint module 4 (i.e. Figure 1 , 2 The upper side of the fingerprint module 4 shown in FIG. 4 includes a fingerprint recognition area, and the inner side of the fingerprint module 4 (i.e. Figure 1 , 2 The lower side of the fingerprint module 4 shown in the figure includes a wiring terminal or a wiring port, where the wiring terminal or the wiring port is used to connect the circuit adapter board; the fingerprint module 4 is installed in the circular through hole of the upper shell 1;

[0055] In another embodiment, the inner side of the fingerprint module 4 (i.e. Figure 1 , 2 The lower side of the fingerprint module 4 shown in FIG. 1 further includes a support base 41, one end of which is connected to the main housing 2, and the support base 41 supports the fingerprint module 4 so as not to fall into the cavity of the main housing 2, that is, to prevent the user from pressing too hard when identifying the fingerprint (that is, when using the function of the fingerprint module 4), thereby causing the fingerprint module 4 to sink inward;

[0056] In another embodiment, the main housing 2 and the support base 41 are connected by a latch or a snap connection;

[0057] In another embodiment, the fingerprint module 4 is connected to the hook 3, and the hook 3 provides a fixed position for the fingerprint module 4; the inner side of the fingerprint module 4 (ie Figure 1 , 2 The lower side of the fingerprint module 4 shown in the figure also includes a support base 41, which is in a rectangular shape and has through holes in the left-right direction and / or the front-back direction. Correspondingly, the hook 3 has corresponding through holes, and the through holes on the support base 41 correspond to the positions, sizes and shapes of the through holes on the hook 3. Then, a metal wire or a metal stick is passed through the through holes to fix the support base 41 on the hook 3, that is, to fix the fingerprint module 4 on the hook 3; of course, the metal wire or the metal stick preferably has good ductility, and an elastic buckle (such as a V-shaped elastic buckle) can also be used to replace the metal wire or the metal stick;

[0058] The micro switch 5 is installed in the cavity of the right side of the main housing 2. The micro switch 5 is electrically connected to the radio frequency module and controls the start and stop of the radio frequency module. The main housing 2 provides a fixed position for the micro switch 5.

[0059] The hook 3 is in the shape of an elongated strip as a whole and is installed in the cavity between the upper shell 1 and the main shell 2. A downward barb is provided at one end of the hook 3, and the direction of the hook of the barb is rightward, that is, the angle between the hook of the barb and the main body of the hook 3 is less than or equal to 90°. A circular through hole is provided at the other end of the hook 3, and the fingerprint module 4 passes through or is fixed to the circular through hole at one end of the hook 3.

[0060] In another embodiment, one end of the hook 3 is provided with a downward barb. When the hook 3 is installed in the cavity between the upper shell 1 and the main shell 2, the plug shell 7 is inserted into the main shell 2, and the upper side of the plug shell 7 contacts the hook 3. At least a portion of the plug shell 7 (at Figure 1 or Figure 2 ) is located on the right side of the barb of the hook 3, and at least a portion of the plug housing 7 (in the left-right direction Figure 1 or Figure 2 When the plug housing 7 is moved outward (i.e., in the vertical or up-down direction) by external force or other factors, the plug housing 7 is on the same horizontal line as the barb of the hook 3. Figure 1 or Figure 2 When the hook 3 is displaced to the left (in the middle), it will be blocked by the barb of the hook 3, that is, its displacement is restricted, thereby achieving the fixation of the plug housing 7; the number of the barbs of the hook 3 can be two or three, etc. When the number of the barbs of the hook 3 is multiple (two or more), the barbs can be arranged in parallel, and the multiple barbs are gathered together. The end of the hook 3 with the barb is fan-shaped, thereby achieving multi-point fixation of the plug housing 7, and making the charging gun firmly combined as a whole.

[0061] In another embodiment, the circular through hole at one end of the hook 3 is a fixing seat 33, and the fixing seat 33 is used to accommodate the support seat 41. The fixing seat 33 is provided with a corresponding through hole, and the through hole on the support seat 41 corresponds to the position, size and shape of the through hole on the fixing seat 33, and then a metal wire or a metal stick is used to pass through the above-mentioned through hole to fix the support seat 41 on the card fixing seat 33, that is, the fingerprint module 4 is fixed on the hook 3; of course, the metal wire or metal stick preferably has better ductility, and an elastic buckle (such as a V-shaped elastic buckle) can also be used to replace the metal wire or metal stick; of course, the metal wire or metal stick can be hollow, and the hollow position is riveted outward to form an outward-turned state to ensure that it will not fall off.

[0062] In another embodiment, the middle portion of the hook 3 (at Figure 1 or Figure 2 A first convex portion 31 is provided in the left-right direction of the middle part, and the first convex portion 31 is in an arch bridge shape and has a front-back direction (in Figure 1 or Figure 2 A cylindrical clamping shaft 35 passes through the through hole in the first protrusion 31, and an arch bridge-shaped fixing plate 34 covers both ends of the clamping shaft 35. Screw holes are opened at both ends of the fixing plate 34, and the fixing plate 34 is fixed to the main shell 2 by screws.

[0063] In another embodiment, the hook 3 is provided with a pressing portion 32, and the pressing portion 32 is located on the right side of the first protrusion 31 of the hook 3 and the left side of the fixing seat 33. The pressing portion 32 has a certain deformation ability or displacement ability in the vertical direction (i.e., the up and down direction). The pressing portion 32 can be made of a plastic material with good elasticity. The upper side of the pressing portion 32 contacts the upper shell 1, and the lower side is provided with a protrusion and contacts the upper side of the micro switch 5 (i.e., the pressing contact that controls the opening and closing of the micro switch 5). When the pressing portion 32 is full, the pressing portion 32 is in contact with the upper shell 1. When the electric gun user presses down the upper shell 1, the pressed part of the upper shell 1 is partially deformed and the pressure is transmitted to the upper part of the pressing part 32. The upper part of the pressing part 32 is deformed or displaced and the pressure is transmitted to the lower part (protrusion) of the pressing part 32. The lower part (protrusion) of the pressing part 32 is deformed or displaced and the pressure is transmitted to the micro switch 5, thereby controlling the opening and closing of the micro switch 5, that is, adjusting the state of the micro switch 5 from open to closed or from closed to open.

[0064] See Figure 3 , 4 As shown,

[0065] In another embodiment, the wiring assembly 42 is disposed on one side of the micro switch 5, and the wiring assembly 42 is a porous structure for allowing the wires connected to the fingerprint module 4 to pass through, thereby realizing the arrangement and fixation of the wires connected to the fingerprint module 4;

[0066] In another embodiment, the main shell 2 has a main platform 21, and the main platform 21 divides the left side of the main shell 2 into an upper cavity and a lower cavity 26. A first fixing seat 22 is provided on the main platform 21, and the micro switch 5 is installed on the first fixing seat 22. The electrical cable connected to the micro switch 5 is placed in the cavity (lower cavity 26) on the lower side of the first fixing seat 22; a second fixing seat 23 is provided on the main platform 21, and the wiring assembly 42 is installed on the second fixing seat 23. , the wire connected to the fingerprint module 4 passes through the fingerprint module 4 and enters the cavity (lower cavity 26) at the lower side of the second fixing seat 23; the main platform 21 is provided with a third fixing seat 24, and the fixing plate 34 is installed on the third fixing seat 24, so as to realize the installation of the hook 3 on the main housing 2; the main platform 21 is provided with a fourth fixing seat 25, and the plug housing 7 is connected to the fourth fixing seat 25, so as to realize the partial combination of the plug housing 7 and the main housing 2. The above installation and connection methods can be screws, buckles, etc.

[0067] In another embodiment, the contact point between the pressing portion 32 and the upper housing 1 and the contact point between the pressing portion 32 and the micro switch 5 (i.e., the pressing contact for controlling the opening and closing of the micro switch 5) are located on the same vertical line, thereby ensuring that the pressure of the user pressing the upper housing 1 is directly transmitted vertically, thereby achieving efficient and labor-saving pressing and improving the feedback sensitivity of the pressing, thereby improving the user experience;

[0068] In another embodiment, see Figure 1 The surface of the upper shell 1 in contact with the pressing portion 32 has an ergonomic design. For example, it can have a certain inclination (not a horizontal straight line) or an arc-shaped surface to facilitate pressing. Correspondingly, the pressing portion 32 also has a certain inclination to satisfy the contact with the upper shell 1 and the transmission of pressure. When the user presses the upper shell 1 vertically downward, the pressure is transmitted downward in a straight line; when the user presses or pushes the inclined surface along the inclined surface of the upper shell 1, the force exerted by the user on the upper shell 1 can be decomposed into a vertical downward force and a horizontal left force. The vertical downward force is used to press the micro switch, and the horizontal left force is offset by the hook 3, thereby realizing the user's multi-angle press unlocking function, making the use and operation of the charging gun more convenient.

[0069] When using the charging gun provided by the utility model, the charging gun is placed on the charging pile and is in a locked state. First, the finger should be placed in the fingerprint recognition area of ​​the fingerprint module 4. If the fingerprint recognition fails, the original locked state remains unchanged and the user cannot take out the charging gun. When the fingerprint recognition passes, the fingerprint module 4 outputs an unlocking signal, and the unlocking signal is transmitted to the charging pile through the circuit adapter board. After the charging pile receives the unlocking signal, the electronic lock of the empty seat on the charging pile opens and transmits a control signal to the circuit adapter board. The control signal controls the normally open or normally closed state of the micro switch 5. Before the electronic lock of the empty seat on the charging pile is opened, the micro switch 5 is normally open, that is, the corresponding circuit is in a disconnected state, and the user cannot close or disconnect the micro switch 5; conversely, after or at the same time as the electronic lock of the empty seat on the charging pile is opened, the micro switch 5 is normally closed, that is, the corresponding circuit is in a connected state, and the user can control the closing or disconnection of the micro switch 5 by pressing the upper shell 1. When the micro switch 5 is closed, the RF module is triggered and sends a RF signal. After the electric car receives the RF signal, the cover on the socket of the vehicle body is automatically opened. After the user passes the fingerprint recognition, the electronic lock of the empty seat on the charging pile is opened, and the upper shell 1 (i.e., the pressing part 32 of the hook 3) is pressed to open the cover of the car charging socket while removing the charging gun.

[0070] Although the present invention is described herein with reference to the illustrative embodiments of the present invention, the above embodiments are merely preferred embodiments of the present invention, and the embodiments of the present invention are not limited to the above embodiments. It should be understood that those skilled in the art can design many other modifications and implementations, which will fall within the scope and spirit of the principles of the present invention.

Claims

1. A charging gun, characterized in that: include: A main shell, the left side of the main shell has a cavity, the upper side of the left side of the main shell is connected to the upper shell, one end of the upper shell has a through hole in the vertical direction to accommodate the fingerprint module, and the left side of the main shell is provided with a main platform, wherein, A micro switch is mounted on the main platform, the upper side of the micro switch is in contact with a pressing portion on the hook, wherein the pressing portion is in contact with the upper shell, the hook is mounted on the main platform and one end of the hook is provided with a fixing seat, the fingerprint module is mounted in the fixing seat or the fingerprint module passes through the fixing seat and is mounted on the main platform, and, A plug housing connected to the left side of the left side of the main housing, a pin-rear insulator is installed on one side of the plug housing, a card slot is provided on the pin-rear insulator, and a circuit board and a circuit adapter board of the radio frequency module are placed and fixed in the card slot, wherein: The radio frequency module is configured to transmit a signal to the electric vehicle to open the socket cover when the micro switch is closed, and the circuit adapter board is configured to receive the signal of the fingerprint module and transmit it to the charging pile, receive the charging pile signal and transmit it to the micro switch, and the charging pile signal controls the opening and closing of the micro switch.

2. A charging gun according to claim 1, characterized in that: The hook is installed in the cavity between the upper shell and the main shell, and a barb is provided at one end of the hook. The angle between the barb and the main body of the hook is less than or equal to 90°. The upper side of the plug shell is in contact with the hook, at least part of the plug shell is located on the right side of the barb, and part of the plug shell is on the same horizontal line as the barb.

3. A charging gun according to claim 2, characterized in that: The number of the barbs is two or more, and the end of the hook provided with the barbs is fan-shaped.

4. A charging gun according to claim 1, characterized in that: A wiring assembly is installed on the main platform, the wiring assembly is located on one side of the micro switch, and the wiring assembly is used to fix the wires connecting the fingerprint module and the circuit adapter board.

5. The charging gun according to claim 1, characterized in that: The fingerprint module is provided with a support base, and the support base is connected to the main platform to support and fix the fingerprint module.

6. A charging gun according to claim 1, characterized in that: The card slot includes a first card slot and a second card slot, the first card slot is used to place and fix the circuit board of the radio frequency module, and the second card slot is used to place and fix the circuit adapter board.

7. A charging gun according to claim 4, characterized in that: The main platform divides the left side of the main shell into an upper cavity and a lower cavity. A first fixing seat is provided on the main platform, the micro switch is installed on the first fixing seat, and the wires connected to the micro switch are placed in the lower cavity; a second fixing seat is provided on the main platform, the wiring assembly is installed on the second fixing seat, and the wires connected to the fingerprint module are placed in the lower cavity; a third fixing seat is provided on the main platform, and the hook is installed on the third fixing seat; a fourth fixing seat is provided on the main platform, and the plug shell is connected to the fourth fixing seat, so as to partially combine the plug shell with the main shell.

8. The charging gun according to claim 1, characterized in that: The pressing portion is in point contact with the upper shell, the pressing portion is in point contact with the micro switch, and the two contact points are located on the same vertical line.

9. The charging gun according to claim 1, characterized in that: At least a portion of the upper shell has a curvature or an inclined surface, and the portion of the upper shell having the curvature or the inclined surface contacts the pressing portion.

Images