Gun needle of nail gun and nail gun

Abstract

The utility model discloses a gun needle of a nail gun, the nail gun comprises a nail gun body and the gun needle, the disclosed gun needle comprises a first gun needle section (100) and a second gun needle section (200), and the first gun needle section (100) and the second gun needle section (200) are sequentially distributed in the direction away from the nail gun body (300). The first end part of the first gun needle section (100) is used for being detachably connected with the nail gun body (300), the first end part of the second gun needle section (200) is detachably connected with the second end part of the first gun needle section (100), and the second end part of the second gun needle section (200) is a working end of the gun needle. According to the scheme, the problem that the gun pin related to the related technology is high in part maintenance or replacement cost can be solved. The utility model further discloses the nail gun.

Description

Technical Field

[0001] The present application belongs to the technical field of nail gun design, and in particular relates to a gun needle of a nail gun and a nail gun. Background Art

[0002] The gun needle is generally installed in a nail gun. There is mechanical loss during use, which will cause the gun needle to wear and become difficult to work normally. Therefore, after a period of use, the gun needle parts need to be repaired or replaced in time. However, the cost of repairing or replacing the gun needle parts involved in the related technology is relatively high. How to reduce the cost of repairing or replacing the gun needle parts is a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0003] The utility model discloses a gun needle of a nail gun and the nail gun, so as to solve the problem of high cost of repairing or replacing parts of the gun needle involved in the related art.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] In the first aspect, the present application discloses a gun needle of a nail gun, the nail gun comprising a nail gun body and the gun needle, the gun needle comprising a first gun needle segment and a second gun needle segment, the first gun needle segment and the second gun needle segment are distributed sequentially in a direction away from the nail gun body, and the first end of the first gun needle segment is used to be detachably connected to the nail gun body, the first end of the second gun needle segment is detachably connected to the second end of the first gun needle segment, and the second end of the second gun needle segment is the working end of the gun needle.

[0006] In a second aspect, the present application discloses a nail gun, comprising a nail gun body and the gun needle described above, wherein the nail gun body is detachably connected to a first end of the first gun needle section.

[0007] The technical solution adopted by the utility model can achieve the following technical effects:

[0008] The gun needle disclosed in the embodiment of the present application improves the structure of the gun needle involved in the related art, by providing a first gun needle section and a second gun needle section, by enabling the second end of the first gun needle section to be detachably connected to the first end of the second gun needle section, so that the first gun needle section can be detachably connected to the second gun needle section, and by enabling the first end of the first gun needle section to be detachably connected to the nail gun body, the gun needle can be detachably connected to the nail gun body. In this structure, when the first gun needle section or the second gun needle section is damaged, the damaged component can be repaired or replaced separately, so that the gun needle can be maintained by repairing or replacing some components of the gun needle, thereby avoiding the need to repair or replace the entire gun needle, which is beneficial to reducing the cost of repairing or replacing parts of the gun needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a partial exploded view and a partial enlarged view of the nail gun disclosed in the embodiment of the present application;

[0010] Figure 2 is a partial assembly diagram of a nail gun disclosed in an embodiment of the present application;

[0011] Figure 3 It is a partial assembly diagram of the nail gun disclosed in the embodiment of the present application from another perspective.

[0012] Description of reference numerals:

[0013] 100-first needle section, 110-first mounting slot, 111-positioning slot, 120-connecting arm, 121-fixed end, 122-free end, 123-third connecting hole, 124-second mounting slot, 125-fifth connecting hole, 130-pressing plate, 131-first connecting hole, 132-fourth connecting hole, 140-first connecting piece, 150-second connecting piece, 160-seventh connecting hole,

[0014] 200-second needle section, 210-positioning protrusion, 220-second connecting hole, 230-reinforcement part,

[0015] 300-nail gun body, 310-third mounting slot, 320-third connecting piece, 330-sixth connecting hole,

[0016] A-Buffer gap. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The terms "first" and "second" in the description and claims of this application may explicitly or implicitly include one or more of the features.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Please refer to Figures 1 to 3 The embodiment of the present application discloses a gun needle of a nail gun, wherein the nail gun includes a nail gun body 300 and a gun needle, and the disclosed gun needle includes a first gun needle section 100 and a second gun needle section 200 .

[0021] The first gun needle segment 100 and the second gun needle segment 200 are sequentially distributed in a direction away from the nail gun body 300, and the first end of the second gun needle segment 200 is detachably connected to the second end of the first gun needle segment 100 to achieve the connection between the first gun needle segment 100 and the second gun needle segment 200, and the second end of the second gun needle segment 200 is the working end of the gun needle. Specifically, the working end of the second gun needle segment 200 contacts the nail during operation and is used to drive the nail into materials such as wood and gypsum board.

[0022] The first end of the first needle segment 100 is used to be detachably connected to the nail gun body 300, so that the second needle segment can be indirectly connected to the nail gun body through the first needle segment, thereby realizing the connection between the needle and the nail gun body.

[0023] The gun needle disclosed in the embodiment of the present application improves the structure of the gun needle involved in the related art, by providing a first gun needle section 100 and a second gun needle section 200, by enabling the second end of the first gun needle section 100 to be detachably connected to the first end of the second gun needle section 200, so that the first gun needle section 100 can be detachably connected to the second gun needle section 200, and by providing the first end of the first gun needle section 100 to be detachably connected to the nail gun body 300, the gun needle can be detachably connected to the nail gun body 300. In this structure, when the first gun needle section 100 or the second gun needle section 200 is damaged, the damaged components can be repaired or replaced separately, so that the maintenance of the gun needle can be achieved by repairing or replacing some components of the gun needle, thereby avoiding the need to repair or replace the entire gun needle, thereby helping to reduce the cost of repairing or replacing parts of the gun needle.

[0024] In addition, in this structure, the first needle segment 100 is located between the second needle segment 200 and the nail gun body 300, so that the second needle segment 200 is spaced apart from the nail gun body 300 during disassembly and assembly, thereby avoiding being obstructed by the nail gun body 300 when disassembling and assembling the second needle segment 200, thereby facilitating the maintenance of the second needle segment 200.

[0025] In a further technical solution, the second end of the first gun needle segment 100 may be provided with a first mounting groove 110, and the first end of the second gun needle segment 200 may be fixed in the first mounting groove 110. In this structure, since the first end of the second gun needle segment 200 is inserted into the first mounting groove 110, the swing of the second gun needle segment 200 around the first end of the second gun needle segment 200 can be avoided as much as possible, which is conducive to improving the stability of the connection between the second gun needle segment 200 and the first gun needle segment 100.

[0026] It should be noted that the orientation of the slot of the first mounting slot 110 may be parallel to the distribution direction of the first gun needle segment 100 and the second gun needle segment 200 .

[0027] In addition, the first end of the second gun needle segment 200 and the second end of the first gun needle segment 100 may also be fixedly connected via a connecting sleeve, which is not limited in the embodiment of the present application.

[0028] In order to further improve the stability of the connection between the first gun needle segment 100 and the second gun needle segment 200, the side wall of the first mounting groove 110 may have one of the positioning groove 111 and the positioning protrusion 210, and the second gun needle segment 200 may have the other of the positioning groove 111 and the positioning protrusion 210. The positioning protrusion 210 and the positioning groove 111 can be positioned and matched, thereby further reducing the risk of the first end of the second gun needle segment 200 moving in the first mounting groove 110, making the connection between the first gun needle segment 100 and the second gun needle segment 200 more stable.

[0029] Of course, there can be multiple positioning grooves 111 and positioning protrusions 210. In one embodiment, multiple positioning grooves 111 can be distributed on the side wall opposite to the first installation groove 110 in a direction parallel to the notch of the first installation groove 110, so that the force of the first gun needle section 100 and the second gun needle section 200 matched with the first gun needle section 100 is more balanced. At the same time, multiple positioning protrusions 210 can be distributed on the second gun needle section 200 at intervals, and multiple positioning protrusions 210 can be positioned and matched with multiple positioning grooves 111 in a one-to-one correspondence.

[0030] In another embodiment, a plurality of positioning protrusions 210 may be distributed at intervals on the side wall opposite to the first mounting groove 110 in a direction parallel to the notch of the first mounting groove 110, so that the forces on the first gun needle segment 100 and the second gun needle segment 200 matched with the first gun needle segment 100 are more balanced. At the same time, a plurality of positioning grooves 111 may be distributed at intervals on the second gun needle segment 200, and a plurality of positioning protrusions 210 may be positioned and matched with a plurality of positioning grooves 111 in a one-to-one correspondence.

[0031] As described above, this structure can more effectively limit the movement of the second gun needle segment 200 along the direction parallel to the slot of the first installation slot 110 by positioning the plurality of positioning protrusions 210 one by one with the plurality of positioning slots 111, making the connection between the first gun needle segment 100 and the second gun needle segment 200 more reliable.

[0032] Optionally, a plurality of positioning grooves 111 may be spaced and evenly distributed on the side wall opposite to the first mounting groove 110 along a direction parallel to the groove opening of the first mounting groove 110, and a plurality of positioning protrusions 210 may be spaced and evenly distributed on the second gun needle segment 200; or, a plurality of positioning protrusions 210 may be spaced and evenly distributed on the side wall opposite to the first mounting groove 110 along a direction parallel to the groove opening of the first mounting groove 110, and a plurality of positioning grooves 111 may be spaced and evenly distributed on the second gun needle segment 200. This structure allows the stress generated by the first gun needle segment 100 and the second gun needle segment 200 during positioning and matching to be more evenly dispersed.

[0033] In order to reduce the manufacturing difficulty and facilitate production, the multiple positioning grooves 111 can also be spaced and unevenly distributed on the side wall opposite to the first mounting groove 110 along a direction parallel to the groove opening of the first mounting groove 110, and the multiple positioning protrusions 210 can also be spaced and unevenly distributed on the second gun needle segment 200; or, the multiple positioning protrusions 210 can be spaced and unevenly distributed on the side wall opposite to the first mounting groove 110 along a direction parallel to the groove opening of the first mounting groove 110, and the multiple positioning grooves 111 can be spaced and unevenly distributed on the second gun needle segment 200.

[0034] In a more preferred technical solution, a positioning groove 111 may be provided on the side wall of the first mounting groove 110, and the second gun needle segment 200 may have a positioning protrusion 210, so as to avoid the positioning groove 111 being provided on the second gun needle segment 200, which may easily reduce the strength of the second gun needle segment 200, thereby helping to reduce the risk of the second gun needle segment 200 being easily damaged during operation.

[0035] The first end of the second needle segment 200 may also be engaged with the first mounting groove 110, so as to realize the connection between the first needle segment 100 and the second needle segment 200. In the embodiment of the present application, the first needle segment 100 may include a connecting arm 120, which may be arranged in the first mounting groove 110, and the two opposite ends of the connecting arm 120 may be a fixed end 121 and a free end 122, that is, the connecting arm 120 is a cantilever structure. Among them, the fixed end 121 may be fixedly connected to the bottom wall of the first mounting groove 110, and the free end 122 may be away from the bottom wall of the first mounting groove 110, and may be used to connect with the first end of the second needle segment 200, so that when the second needle segment 200 is subjected to a large impact force and generates vibration, the connecting arm 120 can be used for buffering, so as to reduce the vibration transmitted from the second needle segment 200 to the first needle segment 100, thereby achieving the purpose of vibration reduction.

[0036] In order to reduce vibration more effectively, the connecting arm 120 can be spaced apart from the side wall of the first mounting groove 110, and a buffer gap A can be formed with the side wall of the first mounting groove 110, so that when a large impact force is transmitted to the free end 122 of the second needle section 200 and the free end 122 vibrates, the free end 122 can be prevented from colliding with the side wall of the first mounting groove 110 as much as possible, so as to more effectively buffer and thus help to enhance the vibration reduction effect.

[0037] In a feasible technical solution, the first needle segment 100 may further include a pressing plate 130 and a first connecting member 140 , the pressing plate 130 may be provided with a first connecting hole 131 , the first end of the second needle segment 200 may be provided with a second connecting hole 220 , and the free end 122 may be provided with a third connecting hole 123 .

[0038] The two ends of the first installation groove 110 can penetrate to the two opposite end surfaces of the first gun needle section 100, and the pressing plate 130 and the connecting arm 120 can be respectively arranged on the opposite sides of the second gun needle section 200 along the penetration direction of the first installation groove 110, that is, the distribution direction of the pressing plate 130, the second gun needle section 200 and the connecting arm 120 is parallel to the penetration direction of the first installation groove 110, and the second gun needle section 200 is located between the pressing plate 130 and the connecting arm 120. It should be noted that the penetration direction of the first installation groove 110 is perpendicular to the notch direction of the first installation groove 110.

[0039] In a specific connection process, the first connecting member 140 can be inserted into the first connecting hole 131, the second connecting hole 220 and the third connecting hole 123 to clamp and fix the first end of the second gun needle segment 200 between the pressing plate 130 and the free end 122, wherein the first connecting member 140 can realize a fixed connection between the pressing plate 130, the first end of the second gun needle segment 200 and the free end 122 by enabling the pressing plate 130 to press the first end of the second gun needle segment 200 to the free end 122.

[0040] In addition, during the installation of the second gun needle segment 200, the first end of the second gun needle segment 200 can be installed into the first installation groove 110 from the port in the penetration direction of the first installation groove 110, or can be installed into the first installation groove 110 from the notch of the first installation groove 110, which helps to reduce the difficulty of installation.

[0041] In a feasible embodiment, a plurality of positioning grooves 111 can be respectively arranged on the side walls on both sides of the through direction of the first installation groove 110, and correspondingly, a plurality of positioning protrusions 210 can be distributed on the outer surfaces of the two opposite sides of the second needle segment 200. At the same time, the plurality of positioning grooves 111 can all penetrate to the two opposite end surfaces of the first needle segment 100, and the through directions of the plurality of positioning grooves 111 can all be parallel to the through direction of the first installation groove 110, so as to avoid the situation that the installation of the second needle segment 200 is hindered when the first end of the second needle segment 200 is installed to the first installation groove 110 from the end of the through direction of the first installation groove 110.

[0042] In another feasible embodiment, a plurality of positioning protrusions 210 may be respectively provided on the side walls on both sides of the through direction of the first installation groove 110, and correspondingly, a plurality of positioning grooves 111 may be distributed on the outer surfaces of the two opposite sides of the second needle segment 200. The plurality of positioning grooves 111 may all penetrate to the outer surfaces of the other two opposite sides of the second needle segment 200, and the through directions of the plurality of positioning grooves 111 may all be parallel to the through direction of the first installation groove 110, thereby avoiding the situation that the installation of the second needle segment 200 is hindered when the first end of the second needle segment 200 is installed to the first installation groove 110 from the end of the through direction of the first installation groove 110.

[0043] In a further technical solution, the first needle segment 100 may further include a second connecting member 150, and the pressing plate 130 may further include a fourth connecting hole 132. The connecting arm 120 may further include a second mounting groove 124 and a fifth connecting hole 125, wherein the second mounting groove 124 may be provided at the free end 122, the notch direction of the second mounting groove 124 may be parallel to the penetration direction of the first mounting groove 110, and the second mounting groove 124 may be connected to the first mounting groove 110, so that the first end of the second needle segment 200 can be installed in the second mounting groove 124. In addition, the third connecting hole 123 may be provided at the second mounting groove 124, and the fifth connecting hole 125 may be provided at the fixed end 121.

[0044] In the specific connection process, the first end of the second gun needle segment 200 can be arranged in the second mounting groove 124, the pressing plate 130 can cover the notch of the second mounting groove 124, and can abut against the second gun needle segment 200, wherein the first connecting member 140 can be passed through the first connecting hole 131, the second connecting hole 220 and the third connecting hole 123, so that the pressing plate 130 can press the first end of the second gun needle segment 200 into the second mounting groove 124, thereby realizing the fixed connection between the first gun needle segment 100 and the second gun needle segment 200.

[0045] At the same time, the second connecting member 150 can be inserted into the fourth connecting hole 132 and the fifth connecting hole 125 to connect the pressing plate 130 and the fixed end 121, so that the pressing plate 130 is further fixed, which is beneficial to improve the reliability of the connection between the pressing plate 130 and the connecting arm 120, thereby reducing the risk of the pressing plate 130 being loose and difficult to compress the first end of the second needle segment 200.

[0046] In the embodiment of the present application, the first connection hole 131, the second connection hole 220, the third connection hole 123 and the first connection member 140 can all be one, so as to avoid opening too many second connection holes 220 on the second needle segment 200 and easily destroying the overall strength of the second needle segment 200. The first connection hole 131, the second connection hole 220, the third connection hole 123 and the first connection member 140 can all be multiple, and multiple first connection members 140 can be respectively inserted into the corresponding first connection hole 131, the second connection hole 220 and the third connection hole 123 to improve the reliability of the connection.

[0047] Of course, the fourth connecting hole 132, the fifth connecting hole 125 and the second connecting member 150 can all be one or more, and the multiple second connecting members 150 can be respectively inserted into the corresponding fourth connecting hole 132 and the fifth connecting hole 125 to improve the reliability of the connection.

[0048] In addition, the first connection hole 131, the second connection hole 220, the third connection hole 123, the fourth connection hole 132 and the fifth connection hole 125 can all be rivet holes, and correspondingly, the first connection member 140 and the second connection member 150 can both be rivets; or, the first connection hole 131, the second connection hole 220, the third connection hole 123, the fourth connection hole 132 and the fifth connection hole 125 can all be pin holes, and correspondingly, the first connection member 140 and the second connection member 150 can both be pins, and the embodiments of the present application do not impose any restrictions on this.

[0049] In other embodiments, the first end of the second needle segment 200 can be detachably connected to the free end 122 by the cooperation of a bolt and a nut, and the first end of the second needle segment 200 can also be detachably connected to the free end 122 by a snap-fitting manner. The embodiment of the present application does not limit the specific method of realizing the connection between the first end of the second needle segment 200 and the free end 122.

[0050] In a further technical solution, at least part of the pressing plate 130 may be disposed in the first mounting groove 110 , thereby facilitating the assembly of the pressing plate 130 and reducing the risk of the pressing plate 130 being loosened due to collision.

[0051] In order to enhance the strength of the second needle segment 200 , the outer surface of the second needle segment 200 may have a reinforcement portion 230 , which may extend along the distribution direction of the first needle segment 100 and the second needle segment 200 , thereby facilitating enhancing the overall strength of the second needle segment 200 .

[0052] Optionally, the reinforcing portion 230 may avoid the plurality of positioning grooves 111 or the plurality of positioning protrusions 210 on the second gun needle segment 200 to avoid affecting the positioning cooperation between the second gun needle segment 200 and the first gun needle segment 100 .

[0053] In addition, there may be one reinforcing portion 230 , thereby saving manufacturing costs, or there may be multiple reinforcing portions 230 , thereby more effectively enhancing the strength of the second needle segment 200 .

[0054] Based on the nail gun disclosed in the present application, the present application further discloses a nail gun, which includes a nail gun body 300 and a gun needle as described in any one of the above embodiments, and the nail gun body 300 is detachably connected to the first end of the first gun needle section 100 .

[0055] In one embodiment, the nail gun body 300 may include a third mounting groove 310, a third connecting piece 320 and a sixth connecting hole 330, the first end of the first needle segment 100 may be provided with a seventh connecting hole 160, the first end of the first needle segment 100 may be disposed in the third mounting groove 310, and the third connecting piece 320 may be passed through the sixth connecting hole 330 and the seventh connecting hole 160 to achieve the fixation of the first end of the first needle segment 100 in the third mounting groove 310.

[0056] Specifically, the sixth connection hole 330 and the seventh connection hole 160 can both be rivet holes, and correspondingly, the third connection member 320 can be a rivet. The sixth connection hole 330 and the seventh connection hole 160 can also be pin holes, and correspondingly, the third connection member 320 can be a pin. The embodiment of the present application does not limit this.

[0057] In a more preferred technical solution, the third connecting member 320, the sixth connecting hole 330 and the seventh connecting hole 160 can be multiple, and the multiple third connecting members 320 can be respectively inserted into the corresponding sixth connecting hole 330 and the seventh connecting hole 160, so as to prevent the first gun needle segment 100 from swinging around the first end of the first gun needle segment 100, thereby enabling the first end of the first gun needle segment 100 to be more stably fixed in the third mounting groove 310.

[0058] In another embodiment, the nail gun body 300 may be provided with a threaded hole, and the first needle segment 100 may include an external thread surrounding the first end of the first needle segment 100. The first end of the first needle segment 100 may be threadedly connected to the threaded hole through the external thread to achieve a detachable connection with the nail gun body 300.

[0059] In other embodiments, the first end of the first needle segment 100 can also be detachably connected to the nail gun body 300 by snap-fitting. The embodiment of the present application does not limit the specific connection method between the first end of the first needle segment 100 and the nail gun body 300.

[0060] The above embodiments of the present invention focus on the differences between the various embodiments. As long as the different optimization features of the various embodiments are not contradictory, they can be combined to form a better embodiment. Considering the simplicity of the text, they will not be repeated here.

[0061] The embodiments of the utility model are described above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, all of which are within the protection of the utility model.

Claims

1. A gun needle of a nail gun, the nail gun comprising a nail gun body and the gun needle, characterized in that: The gun needle comprises a first gun needle section (100) and a second gun needle section (200), wherein the first gun needle section (100) and the second gun needle section (200) are sequentially distributed in a direction away from the nail gun body (300), and the first end of the first gun needle section (100) is used to be detachably connected to the nail gun body (300), and the first end of the second gun needle section (200) is detachably connected to the second end of the first gun needle section (100), and the second end of the second gun needle section (200) is the working end of the gun needle.

2. The gun needle according to claim 1, characterized in that: The second end of the first gun needle section (100) is provided with a first mounting groove (110), and the first end of the second gun needle section (200) is fixed in the first mounting groove (110).

3. The gun needle according to claim 2, characterized in that: The side wall of the first installation groove (110) is provided with one of a positioning groove (111) and a positioning protrusion (210), and the second gun needle section (200) is provided with the other of the positioning groove (111) and the positioning protrusion (210), and the positioning protrusion (210) is positioned and matched with the positioning groove (111).

4. The gun needle according to claim 3, characterized in that: There are multiple positioning grooves (111) and multiple positioning protrusions (210), and multiple positioning grooves (111) are distributed at intervals on the side wall opposite to the first installation groove (110) along a direction parallel to the notch of the first installation groove (110), and multiple positioning protrusions (210) are distributed at intervals on the second gun needle section (200), or, A plurality of positioning protrusions (210) are distributed at intervals on the side wall opposite to the first mounting groove (110) in a direction parallel to the groove opening of the first mounting groove (110); a plurality of positioning grooves (111) are distributed at intervals on the second gun needle section (200); Furthermore, the plurality of positioning protrusions (210) are positioned and matched with the plurality of positioning grooves (111) in a one-to-one correspondence.

5. The gun needle according to claim 2, characterized in that: The first gun needle section (100) comprises a connecting arm (120), wherein the connecting arm (120) is arranged in the first mounting groove (110), and the two opposite ends of the connecting arm (120) are a fixed end (121) and a free end (122). The fixed end (121) is fixedly connected to the bottom wall of the first mounting groove (110), and the free end (122) is away from the bottom wall of the first mounting groove (110) and is used to be connected to the first end of the second gun needle section (200).

6. The gun needle according to claim 5, characterized in that: The connecting arm (120) is spaced apart from the side wall of the first installation groove (110), and forms a buffer gap (A) with the side wall of the first installation groove (110).

7. The gun needle according to claim 5 or 6, characterized in that: The first gun needle section (100) further comprises a pressing plate (130) and a first connecting member (140), wherein the pressing plate (130) is provided with a first connecting hole (131), the first end of the second gun needle section (200) is provided with a second connecting hole (220), and the free end (122) is provided with a third connecting hole (123). The two ends of the first mounting groove (110) penetrate to the two opposite end surfaces of the first gun needle section (100), the pressing plate (130) and the connecting arm (120) are respectively arranged on the opposite sides of the second gun needle section (200) along the penetration direction of the first mounting groove (110), and at least a part of the pressing plate (130) is arranged in the first mounting groove (110). The first connecting member (140) is inserted into the first connecting hole (131), the second connecting hole (220) and the third connecting hole (123) to clamp and fix the first end of the second needle segment (200) between the pressing plate (130) and the free end (122).

8. The gun needle according to claim 7, characterized in that: The first gun needle section (100) further comprises a second connecting member (150), and the pressing plate (130) is further provided with a fourth connecting hole (132). The connecting arm (120) further comprises a second mounting groove (124) and a fifth connecting hole (125), wherein the second mounting groove (124) is arranged at the free end (122), the groove opening of the second mounting groove (124) is parallel to the penetration direction of the first mounting groove (110), and the second mounting groove (124) is connected to the first mounting groove (110), the third connecting hole (123) is arranged at the second mounting groove (124), and the fifth connecting hole (125) is arranged at the fixed end (121). The first end of the second gun needle section (200) is arranged in the second installation groove (124), the pressing plate (130) covers the notch of the second installation groove (124) and abuts against the second gun needle section (200), and the second connecting member (150) is passed through the fourth connecting hole (132) and the fifth connecting hole (125) to connect the pressing plate (130) and the fixed end (121).

9. The gun needle according to claim 1, characterized in that: The outer surface of the second gun needle segment (200) has a reinforcement portion (230), and the reinforcement portion (230) extends along the distribution direction of the first gun needle segment (100) and the second gun needle segment (200).

10. A nail gun, characterized in that: It comprises a nail gun body (300) and the gun needle according to any one of claims 1 to 9, wherein the nail gun body (300) is detachably connected to the first end of the first gun needle section (100).

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