Fascia gun

By designing the massage head probe set of the fascia gun, it can electrically contact the PCB board in the piston from the range of 0° to 358°, solving the problem of the massage head requiring specific angle plug-in and achieving a more convenient user experience.

CN222968832UActive Publication Date: 2025-06-13SHENZHEN YANXING SCI&TECH CO LTD
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Patent Information

Application Number
CN202421339395.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-06-13
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The massage head of the fascia gun needs to be inserted into the piston at a specific angle to effectively contact the PCB board in the piston, resulting in a specific angle that needs to be found every time it is plugged in, which is inconvenient to use.

Method used

A fascia gun is designed, and the POGOPIN probe set of its massage head can electrically contact the PCB board in the piston in the range of 0° to 358°. By providing a projection and a connecting plate at the plug-in end, the electrical contact between the probe set and the PCB board is ensured.

Benefits of technology

There is no need for a specific angle plug-in. When the massage head is plugged, the POGOPIN probe set and the PCB board have a high chance of electrical contact, making it more convenient to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The fascia gun comprises a massage head shell, a heating piece, a POGOPI N probe set and an abutting sleeve, the massage head shell comprises an insertion end and a massage end which are opposite, the heating piece is arranged in the massage head shell and attached to the inner wall of the end face of the massage end, the POGOPI N probe set is arranged in a port of the insertion end and electrically connected with the heating piece, and the POGOPI N probe set is arranged in the end face of the massage end. The abutting sleeve is fixedly arranged on the outer wall of the inserting end in a sleeving mode, when the massage head is inserted into the piston, the POGOPI N probe set makes electrical contact with the PCB, and the abutting sleeve abuts against the inner wall of the piston. When the massage head is inserted into the piston, the PCB in the piston can allow the POGOPI N probe group at the insertion end part to be in electrical contact in a surrounding range of 0-358 degrees, so that the insertion end part does not need to be inserted into the piston at a specific angle, and the probability of completing electrical contact between the POGOPI N probe group and the PCB by inserting the insertion end part into the piston at any angle is large; compared with a traditional mode that the massage head is inserted into the piston at a specific angle, the massage head is more convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of massage devices, in particular to a fascia gun. Background Art

[0002] A fascia gun, also known as a deep myofascial impactor, is a soft tissue rehabilitation tool that relaxes the soft tissues of the body through high-frequency impacts.

[0003] Currently, when the massage head is inserted into the piston of the fascia gun, the massage head usually needs to be inserted into the piston at a specific angle, so that the POGOPIN probe group of the massage head makes effective electrical contact with the PCB board inside the piston, so that the heating element inside the massage head is energized and controlled. This method requires finding a specific insertion angle every time the massage head is inserted into the piston, which is not convenient to use. Summary of the Utility Model

[0004] The utility model aims to provide a fascia gun to solve the problem that the massage head of the fascia gun usually needs to be inserted into the piston at a specific angle, so that the POGOPIN probe group of the massage head makes effective electrical contact with the PCB board inside the piston, so that the heating element inside the massage head is energized and controlled. This method requires finding a specific insertion angle every time the massage head is inserted into the piston, which is not convenient to use.

[0005] The technical solution adopted by the utility model to solve the technical problem is as follows: A fascia gun, comprising:

[0006] A main body housing;

[0007] A piston, which is arranged inside the main body housing and can reciprocate inside the main body housing;

[0008] A massage head, comprising a massage head housing, a heating element, a POGOPIN probe group and a contact sleeve. The massage head housing includes an opposite insertion end and a massage end. The heating element is arranged inside the massage head housing and abuts against the inner wall of the end face of the massage end. The POGOPIN probe group is arranged inside the port of the insertion end and is electrically connected to the heating element. The contact sleeve is fixedly sleeved on the outer wall of the insertion end. When the massage head is inserted into the piston, the POGOPIN probe group makes electrical contact with the PCB board, and the contact sleeve abuts against the inner wall of the piston.

[0009] In some embodiments, a bracket is installed inside the piston. One end of the bracket is provided with a protruding portion, and the PCB board is installed inside the protruding portion and is in the same plane as one end of the protruding portion. A connecting plate is installed inside the port of the plugging end portion, and the POGOPIN probe group is integrally injection-molded with the connecting plate inside the port of the plugging end portion. When the massage head is plugged into the piston, a part of the protruding portion is received inside the port of the plugging end portion so that the POGOPIN probe group is in electrical contact with the PCB board.

[0010] In some embodiments, the PCB board includes a first electrical sheet, a second electrical sheet, and a third electrical sheet. The first electrical sheet, the second electrical sheet, and the third electrical sheet are all circular in shape. The first electrical sheet is provided with a notch. The second electrical sheet is located inside the first electrical sheet, and the third electrical sheet is located inside the second electrical sheet. The POGOPIN probe group includes a first POGOPIN needle, a second POGOPIN needle, and a third POGOPIN needle arranged horizontally. When the POGOPIN probe group is in electrical contact with the PCB board, the first POGOPIN needle, the second POGOPIN needle, and the third POGOPIN needle are respectively in electrical contact with the first electrical sheet, the second electrical sheet, and the third electrical sheet.

[0011] In some embodiments, a circle of grooves is formed on the outer wall of the plugging end portion, and the abutting sleeve is fixedly sleeved on the circle of grooves on the outer wall of the plugging end portion. A plurality of circles of abutting ridges are provided on the outer wall of the abutting sleeve. When the abutting sleeve abuts against the inner wall of the piston, the abutting sleeve abuts against the inner wall of the piston through the plurality of abutting ridges.

[0012] In some embodiments, the main body housing includes an upper shell portion and a handle shell portion that are integrally connected up and down. A fixed bracket is installed inside the upper shell portion. A piston cylinder and an installation groove are respectively provided at both ends of the fixed bracket. A shock-absorbing sleeve is sleeved inside the piston cylinder, a shaft sleeve is sleeved inside the shock-absorbing sleeve, and the piston is sleeved inside the shaft sleeve. A motor is installed inside the installation groove, and an output shaft of the motor is connected to a connecting rod that is connected to the piston. A circuit board is installed inside the handle shell portion, and the circuit board is electrically connected to the motor and the PCB board respectively.

[0013] In some embodiments, an opening is formed at one end of the upper shell portion, and the piston extends outside the upper shell portion through the opening from inside the upper shell portion.

[0014] In some embodiments, a battery is also installed inside the handle shell portion, and the battery is electrically connected to the circuit board.

[0015] In some embodiments, a control key portion is installed on the bottom surface portion of the handle housing, and the control key portion is electrically connected to the circuit board.

[0016] In some embodiments, the output shaft of the motor is connected to the connecting rod through an eccentric wheel.

[0017] In some embodiments, the heating element can be one or a combination of a heating wire, a heating mesh, and a heating sheet.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] In the present utility model, when the massage head is inserted into the piston, the PCB board in the piston allows the POGOPIN probe group at the insertion end to make electrical contact within the range of 0° to 358°. There is no need to find a specific angle to insert the insertion end into the piston. The probability of randomly inserting the insertion end into the piston to make the POGOPIN probe group complete electrical contact with the PCB board is high. Therefore, compared with the traditional method of inserting the massage head into the piston at a specific angle, it is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] One or more embodiments are exemplarily illustrated by the pictures in the corresponding drawings. These exemplary illustrations do not limit the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements, unless otherwise stated, the drawings in the figures do not constitute a proportional limitation.

[0021] Figure 1 It is a schematic diagram of the overall structure of the fascia gun provided by the present utility model;

[0022] Figure 2 It is a schematic diagram of the structure of the fascia gun provided by the present utility model in the state of removing the massage head;

[0023] Figure 3 It is a schematic diagram of the split state of the fascia gun provided by the present utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the accommodation part of the port of the insertion end provided by the present utility model with some convex parts;

[0025] Figure 5 It is a schematic diagram of the structure of the piston in the exploded state and the massage head provided by the present utility model;

[0026] Figure 6 It is a schematic diagram of the structure of the piston and the massage head provided by the present utility model;

[0027] Figure 7 It is a schematic diagram of the exploded structure of the massage head provided by the present utility model;

[0028] Figure 8 This is a schematic structural diagram of the massage head and the abutting sleeve provided by the present utility model in a separated state;

[0029] Figure 9 This is a partial explosion structural diagram of the fascia gun provided by the present utility model with the main body housing removed.

[0030] Explanation of reference numerals: 100, fascia gun; 10, main body housing; 101, upper housing part; 1011, opening; 102, handle housing part; 1021, control key part; 20, fixing bracket; 201, mounting groove; 202, piston barrel; 30, motor; 301, eccentric wheel; 302, connecting rod; 40, shock-absorbing sleeve; 50, bushing; 60, piston; 601, bracket; 6011, protruding part; 602, PCB board; 6021, first electrical sheet; 60211, notch; 6022, second electrical sheet; 6023, third electrical sheet; 70, circuit board; 80, battery; 90, massage head; 901, massage head housing; 9011, massage end part; 90111, end face; 9012, plug-in end part; 90121, port; 90122, groove; 902, heating element; 903, connecting plate; 9031, POGOPIN probe group; 90311, first POGOPIN pin; 90312, second POGOPIN pin; 90313, third POGOPIN pin; 904, abutting sleeve; 9041, abutting rib. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] In addition, in the present utility model, descriptions such as "first" and "second" are only for descriptive purposes and cannot be construed as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features.

[0033] Please refer to Figures 1 to 9 As shown, the present utility model provides the following technical solution: A fascia gun 100, comprising:

[0034] A main body housing 10;

[0035] A piston 60, disposed in the main body housing 10 and capable of reciprocating within the main body housing 10;

[0036] The massage head 90 includes a massage head housing 901, a heating element 902, a POGOPIN probe group 9031, and a contact sleeve 904. The massage head housing 901 includes an opposite plugging end 9012 and a massage end 9011. The heating element 902 is disposed in the massage head housing 901 and abuts against the inner wall of the end face 90111 of the massage end 9011. The POGOPIN probe group 9031 is disposed in the port 90121 of the plugging end 9012 and is electrically connected to the heating element 902. The contact sleeve 904 is fixedly sleeved on the outer wall of the plugging end 9012. When the massage head 90 is plugged into the piston 60, the POGOPIN probe group 9031 is in electrical contact with the PCB board 602, and the contact sleeve 904 abuts against the inner wall of the piston 60.

[0037] In the fascia gun 100 provided in this embodiment, when the massage head 90 is plugged into the piston 60, the plug-in end 9012 of the massage head housing 901 is plugged into the piston 60, and the abutment sleeve 904 fixedly sleeved on the outer wall of the plug-in end 9012 abuts against the inner wall of the piston 60, so that the plug-in end 9012 can be clamped in the piston 60, thereby realizing the clamping and plugging of the massage head 90 in the piston 60. And when the massage head 90 is plugged into the piston 60, the PCB board 602 in the piston 60 can provide the POGOPIN probe group 9031 of the plug-in end 9012 for electrical contact within the range of 0° to 358°, so there is no need to find a specific angle for the plug-in end 9012 to be inserted into the piston 60, and the plug-in end 9012 can be inserted into the piston 60 at any angle to make the POGOPIN probe group 9031 and the PCB board 602 electrically contact, and the plug-in end 9012 can be inserted into the piston at any angle. There is a high probability that the POGOPIN probe group 9031 and the PCB board 602 complete electrical contact within 60. If there is a small probability that the POGOPIN probe group 9031 and the PCB board 602 are out of electrical contact, the massage head 90 can be pulled out of the piston 60, and then the plug-in end 9012 can be slightly adjusted to correspond to the angle of insertion into the piston 60, and then the plug-in end 9012 can be reinserted into the piston 60 to complete electrical contact between the POGOPIN probe group 9031 and the PCB board 602. When the PCB board 602 in the piston 60 is in electrical contact with the POGOPIN probe group 9031, the fascia gun 100 can be powered on and control the heating element 902 in the massage head housing 901 to heat up through the POGOPIN probe group 9031 connected to the PCB board 602. When the heating element 902 is heated, the heat energy is transferred to the inner wall of the end surface 90111 of the massage end 9011, so that the massage head 90 can contact the user's body through the end surface 90111 of the massage end 9011 for hot compress. In the utility model, the massage head 90 can be inserted into the piston 60 at any angle, so that the POGOPIN probe group 9031 of the massage head 90 and the PCB board 602 in the piston 60 can be electrically contacted with a high probability, which is more convenient to use than the traditional massage head that is inserted into the piston at a specific angle.

[0038] Combination Figures 4 to 6As shown, in some embodiments, a bracket 601 is installed inside the piston 60. One end of the bracket 601 is provided with a protrusion 6011. The PCB board 602 is installed inside the protrusion 6011 and is in the same plane as one end of the protrusion 6011. A connecting plate 903 is installed inside the port 90121 of the plug-in end 9012. The POGOPIN probe group 9031 is integrally injection-molded with the connecting plate 903 inside the port 90121 of the plug-in end 9012. When the massage head 90 is plugged into the piston 60, a part of the protrusion 6011 is received inside the port 90121 of the plug-in end 9012, so that the POGOPIN probe group 9031 is in electrical contact with the PCB board 602.

[0039] During specific implementation: when the plug-in end 9012 of the massage head housing 901 is plugged into the piston 60, a part of the protrusion 6011 of the bracket 601 is received inside the port 90121 of the plug-in end 9012, so that the POGOPIN probe group 9031 located inside the port 90121 of the plug-in end 9012 is in electrical contact with the PCB board 602 on the protrusion 6011. Through such a setting, when the plug-in end 9012 of the massage head housing 901 is plugged into the piston 60, the POGOPIN probe group 9031 can be in electrical contact with the PCB board 602.

[0040] Combined with Figures 5 to 7 As shown, in some embodiments, the PCB board 602 includes a first electrical sheet 6021, a second electrical sheet 6022, and a third electrical sheet 6023. The first electrical sheet 6021, the second electrical sheet 6022, and the third electrical sheet 6023 are all circular. The first electrical sheet 6021 is provided with a notch 60211. The second electrical sheet 6022 is located inside the first electrical sheet 6021. The third electrical sheet 6023 is located inside the second electrical sheet 6022. The POGOPIN probe group 9031 includes a first POGOPIN needle 90311, a second POGOPIN needle 90312, and a third POGOPIN needle 90313 arranged horizontally. When the POGOPIN probe group 9031 is in electrical contact with the PCB board 602, the first POGOPIN needle 90311, the second POGOPIN needle 90312, and the third POGOPIN needle 90313 are respectively in electrical contact with the first electrical sheet 6021, the second electrical sheet 6022, and the third electrical sheet 6023.

[0041] During specific implementation: when the POGOPIN probe group 9031 is in electrical contact with the PCB board 602, the first POGOPIN pin 90311, the second POGOPIN pin 90312, and the third POGOPIN pin 90313 included in the POGOPIN probe group 9031 are in electrical contact with the first electrical sheet 6021, the second electrical sheet 6022, and the third electrical sheet 6023 included in the PCB board 602 respectively. Since the first electrical sheet 6021 is provided with a notch 60211, the first electrical sheet 6021 supports an annular area from 0° to 358° for the first POGOPIN pin 90311 to make electrical contact. When the massage head 90 is inserted into the piston 60, the insertion end 9012 of the massage head housing 901 can be inserted into the piston 60 at any angle, and the POGOPIN probe group 9031 can be in electrical contact with the PCB board 602 with a high probability. Through such a setting, the POGOPIN probe group 9031 can be effectively in electrical contact with the PCB board 602.

[0042] Combined with Figure 8 As shown, in some embodiments, a groove 90122 is formed on the outer wall of the insertion end 9012, and the abutting sleeve 904 is fixedly sleeved on the groove 90122 on the outer wall of the insertion end 9012; a plurality of abutting ridges 9041 are provided on the outer wall of the abutting sleeve 904. When the abutting sleeve 904 abuts against the inner wall of the piston 60, the abutting sleeve 904 abuts against the inner wall of the piston 60 through a plurality of abutting ridges 9041.

[0043] During specific implementation: the abutting sleeve 904 is fixedly sleeved on the groove 90122 on the outer wall of the insertion end 9012, so that the abutting sleeve 904 is limited in the groove 90122 to prevent the abutting sleeve 904 from being displaced on the outer wall of the insertion end 9012. When the insertion end 9012 of the massage head housing 901 is inserted into the piston 60, the abutting sleeve 904 abuts against the inner wall of the piston 60 through the abutting ridges 9041 on its outer wall, so as to clamp the insertion end 9012 in the piston 60. Through such a setting, the insertion end 9012 of the massage head housing 901 can effectively abut against the inner wall of the piston 60 through the abutting sleeve 904.

[0044] Combined with Figure 1 、 Figure 3 and Figure 9As shown, in some embodiments, the host housing 10 includes an upper housing portion 101 and a handle housing portion 102 that are integrally connected up and down. A fixing bracket 20 is installed inside the upper housing portion 101. Piston cylinders 202 and mounting grooves 201 are respectively provided at both ends of the fixing bracket 20; a shock-absorbing sleeve 40 is sleeved inside the piston cylinder 202, a bushing 50 is sleeved inside the shock-absorbing sleeve 40, and a piston 60 is sleeved inside the bushing 50; a motor 30 is installed inside the mounting groove 201, and an output shaft of the motor 30 is connected with a connecting rod 302 which is connected with the piston 60; a circuit board 70 is installed inside the handle housing portion 102, and the circuit board 70 is electrically connected to the motor 30 and the PCB board 602 respectively.

[0045] During specific implementation: when the massage head 90 is inserted into the piston 60, the circuit board 70 supplies electric energy and controls the operation of the motor 30. When the motor 30 operates, it drives the connecting rod 302 to drive the piston 60 to reciprocate inside the piston cylinder 202. When the piston 60 reciprocates, the bushing 50 provides linear guidance, and the shock-absorbing sleeve 40 isolates the piston 60 from the piston cylinder 202 inside the piston cylinder 202. Thus, the shock-absorbing sleeve 40 buffers the vibration force of the piston 60 to prevent it from being transmitted to the piston cylinder 202. When the piston 60 reciprocates, it drives the massage head 90 to reciprocate. When the massage head 90 reciprocates, it vibrates and massages the user's body. And when the massage head 90 is inserted into the piston 60, since the circuit board 70 is electrically connected to the PCB board 602 inside the piston 60, when the POGOPIN probe group 9031 on the massage head 90 is in electrical contact with the PCB board 602 inside the piston 60, the circuit board 70 is in electrical contact with the POGOPIN probe group 9031 through the PCB board 602 to control the heating element 902 inside the massage head housing 901 to generate heat, so that the massage head 90 realizes the hot compress function. Through such a setting, the percussion massager 100 can effectively drive the massage head 90 to reciprocate to vibrate and massage the user, and the percussion massager 100 can effectively control the heating element 902 to generate heat to make the massage head 90 realize the hot compress function.

[0046] Combined with Figures 1 to 2 As shown, in some embodiments, an opening 1011 is provided at one end of the upper housing portion 101, and the piston 60 extends outside the upper housing portion 101 through the opening 1011 from inside the upper housing portion 101.

[0047] During specific implementation: when the piston 60 extends outside the upper housing portion 101 through the opening 1011 from inside the upper housing portion 101, the massage head 90 can be inserted into the piston 60 outside the upper housing portion 101. Through such a setting, the piston 60 can effectively supply the massage head 90 for insertion.

[0048] Combined with Figure 3 and Figure 9As shown, in some embodiments, a battery 80 is further installed inside the handle housing 102, and the battery 80 is electrically connected to the circuit board 70.

[0049] During specific implementation: The battery 80 is used to supply power to the circuit board 70, and then the circuit board 70 controls and conveys the electrical energy to the motor 30 and the PCB board 602. Through such a setting, the circuit board 70 can be effectively powered by the battery 80.

[0050] Combined with Figure 1 As shown, in some embodiments, a control key portion 1021 is installed on the bottom surface of the handle housing 102, and the control key portion 1021 is electrically connected to the circuit board 70.

[0051] During specific implementation: The control key portion 1021 is used for the user to press the corresponding button to send a function execution instruction to the circuit board 70, and then the circuit board 70 executes and controls the corresponding operations of the motor 30 and the heating element 902 according to the function execution instruction.

[0052] Combined with Figure 3 As shown, in some embodiments, the output shaft of the motor 30 is connected to the connecting rod 302 through an eccentric wheel 301.

[0053] During specific implementation: When the output shaft of the motor 30 rotates, it drives the eccentric wheel 301 to rotate. When the eccentric wheel 301 rotates, it drives the connecting rod 302 to perform a linear reciprocating motion, and then the connecting rod 302 drives the piston 60 to perform a reciprocating motion. Through such a setting, the motor 30 can effectively drive the piston 60 to perform a reciprocating motion through the connecting rod 302.

[0054] Combined with Figure 7 As shown, in some embodiments, the heating element 902 can be one or a combination of a heating wire, a heating mesh, and a heating sheet.

[0055] The above shows and describes the basic principles, main features, and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0056] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard 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 fascia gun, characterized in that: include: Host housing; A piston is disposed in the main engine housing and can reciprocate in the main engine housing; A massage head comprises a massage head shell, a heating element, a POGOPIN probe group and an abutment sleeve, wherein the massage head shell comprises a relative plug-in end and a massage end, the heating element is arranged in the massage head shell and abuts against the inner wall of the end surface of the massage end, the POGOPIN probe group is arranged in the port of the plug-in end and is electrically connected to the heating element, and the abutment sleeve is fixedly sleeved on the outer wall of the plug-in end, and when the massage head is plugged into the piston, the POGOPIN probe group is electrically in contact with the PCB board, and the abutment sleeve abuts against the inner wall of the piston.

2. The fascia gun according to claim 1, characterized in that: A bracket is installed in the piston, one end of the bracket is provided with a protrusion, the PCB board is installed in the protrusion and is in the same plane as one end of the protrusion; a connecting plate is installed in the port of the plug-in end, the POGOPIN probe group is located in the port of the plug-in end and is integrally injection-molded with the connecting plate; when the massage head is plugged into the piston, the port of the plug-in end accommodates part of the protrusion so that the POGOPIN probe group is in electrical contact with the PCB board.

3. The fascia gun according to claim 1 or 2, characterized in that: The PCB board includes a first electrical sheet, a second electrical sheet and a third electrical sheet, the first electrical sheet, the second electrical sheet and the third electrical sheet are all set to a circular shape, the first electrical sheet is provided with a notch, the second electrical sheet is located in the first electrical sheet, and the third electrical sheet is located in the second electrical sheet; the POGOPIN probe group includes a first POGOPIN needle, a second POGOPIN needle and a third POGOPIN needle arranged horizontally, when the POGOPIN probe group is in electrical contact with the PCB board, the first POGOPIN needle, the second POGOPIN needle and the third POGOPIN needle are in electrical contact with the first electrical sheet, the second electrical sheet and the third electrical sheet respectively.

4. The fascia gun according to claim 1, characterized in that: The outer wall of the plug-in end is provided with a circle of grooves, and the abutment sleeve is fixedly sleeved on the circle of grooves on the outer wall of the plug-in end; the outer wall of the abutment sleeve is provided with a plurality of circles of abutment ridges, and when the abutment sleeve abuts against the inner wall of the piston, the abutment sleeve abuts against the inner wall of the piston through the plurality of abutment ridges.

5. The fascia gun according to claim 1, characterized in that: The main body shell includes an upper shell part and a handle shell part which are connected as a whole. A fixing bracket is installed in the upper shell part, and a piston cylinder and a mounting groove are respectively provided at both ends of the fixing bracket; a shock-absorbing sleeve is provided in the piston cylinder, a shaft sleeve is provided in the shock-absorbing sleeve, and the piston is provided in the shaft sleeve; a motor is installed in the mounting groove, and the output shaft of the motor is connected to a connecting rod connected to the piston; a circuit board is installed in the handle shell part, and the circuit board is electrically connected to the motor and the PCB board respectively.

6. The fascia gun according to claim 5, characterized in that: An opening is formed at one end of the upper shell, and the piston extends from the inside of the upper shell through the opening and is located outside the upper shell.

7. The fascia gun according to claim 5, characterized in that: A battery is also installed in the handle shell, and the battery is electrically connected to the circuit board.

8. The fascia gun according to claim 5, characterized in that: A control key portion is installed on the bottom surface of the handle shell portion, and the control key portion is electrically connected to the circuit board.

9. The fascia gun according to claim 5, characterized in that: The output shaft of the motor is connected to the connecting rod through an eccentric wheel.

10. The fascia gun according to claim 1, characterized in that: The heating element may be a heating wire, a heating net, and a heating sheet, or a combination of multiple thereof.