A quick replacement device for a nail gun nozzle

Abstract

The invention discloses a quick replacement device for a steel nail gun gun nozzle, comprising a nail head, a nail head cover plate, and a gun nozzle, wherein the nail head is provided with a gun nozzle connection hole, a positioning slide groove, and a slot hole; a replacement device is provided between the nail head and the nail head cover plate, and the replacement device comprises a positioning spring and a limit pin; the positioning spring and the limit pin in the replacement device are positioned and installed through the nail head and the nail head cover plate, the elastic force of the positioning spring keeps acting on the limit pin, so that its end is positioned and abutted in the positioning slide groove, the gun nozzle forms a sliding connection with the nail head through the matching of the limit pin and the positioning slide groove, the gun nozzle is subjected to force to press the limit pin and compress the positioning spring, so that the replacement device releases the positioning connection effect on the gun nozzle; the nail head cover plate is connected with a reset device for keeping the end of the positioning slide groove on the gun nozzle and the limit pin in a position and abutted. When replacing the gun nozzle, the invention does not require disassembly tools, and is very convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of steel nail guns, and in particular to a quick-changing device for a steel nail gun nozzle. Background Art

[0002] Steel nail guns are easy and quick to use, with safe and reliable performance. They are widely used in modern production and life. The steel nails in the nail clip of the steel nail gun are sent to the gun cover groove through compression springs or tension springs, and then driven out from the gun mouth through the firing pin.

[0003] In actual use, different steel nails need to be used according to the use requirements, and at this time, the matching gun nozzle needs to be replaced; At present, the gun nozzle structure design on the market is complex, and its assembly is complex, which is very inconvenient when replacing the gun nozzle, so it needs to be improved. Summary of the invention

[0004] The purpose of the present invention is to solve the problems raised in the above background technology and provide a quick replacement device for the nozzle of a nail gun.

[0005] In order to solve the above technical problems, the technical solution of the present invention is: a device for quickly replacing the gun nozzle of a steel nail gun, comprising a nail head, a nail head cover plate, and a gun nozzle; a gun nozzle connecting hole for installing the gun nozzle is provided on the nail head; an open slide groove penetrating the gun nozzle connecting hole is provided on the nail head, a replacement device is provided between the nail head and the nail head cover plate, a positioning slide groove is provided on the gun nozzle, and the replacement device corresponds to the open slide groove; the replacement device comprises a positioning spring and a limit pin, and the positioning spring and the limit pin in the replacement device form a positioning through the fixed connection between the nail head and the nail head cover plate Installation, the elastic force of the positioning spring keeps acting on the limit pin, the end of the limit pin is positioned in the positioning slide groove, and can form a connection and abutment with one end of the positioning slide groove; the gun nozzle forms a sliding connection with the nail head through the matching of the limit pin and the positioning slide groove, and the gun nozzle is subjected to force to press the limit pin and compress the positioning spring, so that the replacement device releases the positioning connection effect on the gun nozzle; a reset device is connected to the nail head cover plate, and the reset device maintains a reset elastic force on the gun nozzle, so that the end of the positioning slide groove on the gun nozzle and the limit pin remain positioned and abutted.

[0006] In the above-mentioned quick replacement device for the gun nozzle of a nail gun, the nail head cover plate is provided with a mounting hole for installing the replacement device, the nail head is provided with a pin hole corresponding to the mounting hole, the positioning spring and one end of the limit pin are installed in the mounting hole, and the other end of the limit pin passes through the pin hole and the end is positioned in the positioning slide groove.

[0007] In the above-mentioned quick-change device for the gun nozzle of a nail gun, the end of the limit pin in the positioning slot is hemispherical, and the end of the positioning slot that is positioned against the limit pin is configured to match the shape of its end.

[0008] A positioning seat is provided on the gun nozzle, and the positioning seat passes through an open slide groove and corresponds to the replacement device. The positioning slide groove is provided on the positioning seat; a bracket is provided on one side of the positioning seat to abut against the reset device.

[0009] In the above-mentioned quick replacement device for the gun nozzle of a nail gun, the limit pin includes a cover plate hole limit portion and a nail head hole limit portion, and a positioning step is formed between the cover plate hole limit portion and the nail head hole limit portion.

[0010] In the above-mentioned quick replacement device for the gun nozzle of a nail gun, spring positioning grooves are respectively provided on the mounting hole and the limiting pin.

[0011] In the above-mentioned quick-change device for the gun nozzle of a nail gun, the nail head cover plate is provided with an installation slide hole and a positioning slide hole for installing a reset device, and the reset device includes a reset member and a reset spring; the reset spring has an elastic force on the reset member, so that the reset member and the bracket form abutment, thereby acting on the gun nozzle, so that the end of the positioning slide groove on the gun nozzle and the limit pin remain positioned and abutted.

[0012] In the above-mentioned quick replacement device for the gun nozzle of a nail gun, the reset component includes a positioning end head and a positioning rod. The positioning end head is matched in the installation slide hole for overall sliding positioning, and the positioning rod is matched and inserted into the positioning slide hole for sliding positioning. The reset spring is sleeved on the positioning rod, and the two ends of the reset spring are respectively abutted against the positioning end head and the nail head cover plate.

[0013] In the above-mentioned quick-change device for the nozzle of a nail gun, a plurality of positioning bosses which can abut against the open slide groove are provided on the side surface of the positioning seat.

[0014] The present invention has the following beneficial effects:

[0015] When installing the gun nozzle of the present invention, the gun nozzle is pushed into the nail head, and the gun nozzle abuts against the thrust of the limit pin to compress the positioning spring and retreat, so that the limit pin slides into the positioning slide groove to position and connect the gun nozzle; when the gun nozzle needs to be replaced, the gun nozzle is pulled outward with force, and the force on the gun nozzle acts on the limit pin and compresses the positioning spring, so that the limit pin moves backward and releases the positioning connection effect on the gun nozzle. At this time, the gun nozzle can be removed and replaced with the required gun nozzle in the same way; when replacing the gun nozzle, no disassembly tools are required, and it is very convenient to use.

[0016] The structural coordination design of the replacement device and the reset device in the present invention can not only ensure the connection and use of the gun nozzle, but also facilitate the replacement and use of the gun nozzle, which is convenient for the actual use needs of the steel nail gun. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a stereogram of the present invention;

[0018] Figure 2 is a cross-sectional view of the present invention;

[0019] Figure 3 yes Figure 2 A magnified view of part A in FIG.

[0020] Figure 4 is a cross-sectional view of another direction of the present invention;

[0021] Figure 5 A three-dimensional view of a nail head in the present invention;

[0022] Figure 6 A three-dimensional view of the nail head cover plate of the present invention. DETAILED DESCRIPTION

[0023] The present invention will be further described in conjunction with the accompanying drawings.

[0024] See also Figures 1 to 6 The present invention provides a device for quickly replacing a gun nozzle of a nail gun, comprising a nail head 1, a nail head cover plate 2, and a gun nozzle 3; the nail head 1 is provided with a gun nozzle connecting hole 4 for installing the gun nozzle 3; the nail head 1 is provided with an open slide groove 5 that passes through the gun nozzle connecting hole 4, and the gun nozzle 3 is provided with a positioning seat 6. During installation, the gun nozzle 3 is docked with the gun nozzle connecting hole 4, and the positioning seat 6 passes through the open slide groove 5 accordingly.

[0025] A replacement device is provided between the nail head 1 and the nail head cover plate 2, and a positioning slide groove 7 is provided on the gun nozzle 3. The positioning slide groove 7 is provided on the positioning seat 6 and corresponds to the replacement device. A mounting hole 8 for installing the replacement device is provided on the nail head cover plate 2, and a pin hole 9 corresponding to the mounting hole 8 is provided on the nail head 1; the replacement device includes a positioning spring 10 and a limit pin 11. The positioning spring 10 and the limit pin 11 in the replacement device are fixedly connected with the nail head 1 and the nail head cover plate 2 to form a positioning installation. Specifically, the limit pin 11 includes a cover plate hole limiting portion 12 and a nail head hole limiting portion 13, and a positioning step 14 is formed between the cover plate hole limiting portion 12 and the nail head hole limiting portion 13; after the replacement device is installed and connected, one end of the positioning spring 10 and the limit pin 11 are installed in the mounting hole 8, and the other end of the limit pin 11 passes through the pin hole 9 under the elastic force of the positioning spring 10, and is positioned between the nail head 1 through the positioning step 14.

[0026] When the gun nozzle 3 is connected with the gun nozzle connecting hole 4, the gun nozzle 3 applies force to the gun nozzle connecting hole 4, so that the end of the positioning seat 6 on it presses the limit pin 11 and compresses the positioning spring 10, and finally the end of the limit pin 11 slides into the positioning slide groove 7 accordingly, and the elastic force of the positioning spring 10 keeps acting on the limit pin 11, so that the end of the limit pin 11 is positioned in the positioning slide groove 7; a reset device is connected to the nail head cover plate 2, and one side of the positioning seat 6 is provided with a bracket 15 that abuts against the reset device, and the reset device maintains a reset elastic force on the bracket 15 on the gun nozzle 3, so that the end of the positioning slide groove 7 on the gun nozzle 3 and the limit pin 11 are kept positioned and abutted; the cooperation between the replacement device and the reset device forms a positioning sliding connection between the gun nozzle 3 and the nail head 1, and during the installation of the gun nozzle 3 and the later use and replacement process, force is applied to the gun nozzle 3, so that the positioning seat 6 and the limit pin 11 in the replacement device complete or release the positioning, and other gun nozzles to be replaced are also equipped with structural designs corresponding to the replacement device and the reset device.

[0027] Furthermore, the end of the limit pin 11 in the positioning slot 7 is hemispherical, and the end of the positioning slot 7 that is positioned against the limit pin 11 is arranged to match the shape of its end, thereby facilitating the completion or release of the positioning function of the limit pin during the process of installing or replacing the gun nozzle.

[0028] Furthermore, in order to improve the stability of the installation connection of the rigid replacement device, spring positioning grooves 16 are respectively provided on the installation hole 8 and the limit pin 11.

[0029] Specifically, the nail head cover plate 2 is provided with an installation sliding hole 17 and a positioning sliding hole 18 for installing a reset device, the reset device includes a reset member 19 and a reset spring 20, and the reset member 19 includes a positioning end 21 and a positioning rod 22; when installing and connecting, the positioning end 21 matches in the installation sliding hole 17 for overall sliding positioning, and the positioning rod 22 matches and penetrates in the positioning sliding hole 18 for sliding positioning, so that the reset member 19 is positioned and slidably connected to the nail head cover plate 2;

[0030] The reset spring 20 is sleeved on the positioning rod 22 during installation, and the two ends of the reset spring 20 are respectively abutted against the positioning end 21 and the nail head cover plate 2, thereby forming an elastic force on the reset member 19; the reset spring 20 has an elastic force on the reset member 19, so that the reset member 19 and the bracket 15 are abutted, so the reset device maintains a reset elastic force on the gun nozzle, so that the end of the positioning slide groove on the gun nozzle and the limit pin remain in position and abut against each other.

[0031] Furthermore, the side surface of the positioning seat 6 is provided with a plurality of positioning bosses 23 which can abut against the opening slide groove 5. During the installation, replacement and later use of the gun nozzle, the positioning bosses play a further positioning role for the gun nozzle.

[0032] The above is a detailed introduction to a quick-changing device for the nozzle of a nail gun provided by an embodiment of the present invention. Specific examples are used herein to illustrate the principle and implementation mode of the present invention. The description of the above embodiments is only used to help understand the technical solution disclosed by the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation mode and application scope. In summary, the content of this specification should not be understood as a limitation of the present invention.

Claims

1. A quick-change device for a gun nozzle of a nail gun, comprising a nail head, a nail head cover plate, and a gun nozzle; the nail head is provided with a gun nozzle connecting hole for installing the gun nozzle; the characteristics are: The nail head is provided with an open slide groove that passes through the gun nozzle connecting hole, and a replacing device is provided between the nail head and the nail head cover plate, and the gun nozzle is provided with a positioning slide groove, and the replacing device corresponds to the open slide groove; the replacing device includes a positioning spring and a limit pin, and the positioning spring and the limit pin in the replacing device are fixedly connected with the nail head and the nail head cover plate to form a positioning installation, and the elastic force of the positioning spring keeps acting on the limit pin, and the end of the limit pin is positioned in the positioning slide groove and can form a connection and abutment with one end of the positioning slide groove; the gun nozzle forms a sliding connection with the nail head through the matching of the limit pin and the positioning slide groove, and the gun nozzle is subjected to force to press the limit pin and compress the positioning spring, thereby releasing the positioning connection effect of the replacing device on the gun nozzle; a reset device is connected to the nail head cover plate, and the reset device maintains a reset elastic force on the gun nozzle, thereby keeping the end of the positioning slide groove on the gun nozzle and the limit pin in a positioned abutment.

2. A quick-change device for a nail gun nozzle according to claim 1, characterized in that: The nail head cover plate is provided with an installation hole for installing a replacement device, and the nail head is provided with a pin hole corresponding to the installation hole. The positioning spring and one end of the limit pin are installed in the installation hole, and the other end of the limit pin passes through the pin hole and is positioned in the positioning slide groove.

3. The quick-change device for a nail gun nozzle according to claim 1, characterized in that: The end of the limit pin in the positioning slot is hemispherical, and the end of the positioning slot that is positioned against the limit pin is configured to match the shape of its end.

4. A nail gun nozzle quick replacement device according to claim 1, characterized in that: A positioning seat is provided on the gun nozzle, and the positioning seat passes through an open slide groove and corresponds to the replacement device. The positioning slide groove is provided on the positioning seat; a bracket is provided on one side of the positioning seat to abut against the reset device.

5. The quick-change device for a nail gun nozzle according to claim 2, characterized in that: The limiting pin comprises a cover plate hole limiting portion and a nail head hole limiting portion, and a positioning step is formed between the cover plate hole limiting portion and the nail head hole limiting portion.

6. A quick-change device for a nail gun nozzle according to claim 2, characterized in that: The mounting hole and the limiting pin are respectively provided with spring positioning grooves.

7. A quick-change device for a nail gun nozzle according to claim 4, characterized in that: The nail head cover plate is provided with an installation slide hole and a positioning slide hole for installing a reset device, and the reset device includes a reset member and a reset spring; the reset spring has an elastic force on the reset member, so that the reset member and the bracket form abutment, thereby acting on the gun nozzle, so that the end of the positioning slide groove on the gun nozzle and the limit pin remain positioned and abutted.

8. The quick-change device for a nail gun nozzle according to claim 7, characterized in that: The reset component includes a positioning end and a positioning rod. The positioning end is matched in the installation slide hole for overall sliding positioning. The positioning rod is matched and inserted into the positioning slide hole for sliding positioning. The reset spring is sleeved on the positioning rod. The two ends of the reset spring are respectively against the positioning end and the nail head cover plate.

9. The quick-change device for a nail gun nozzle according to claim 4, characterized in that: The side surface of the positioning seat is provided with a plurality of positioning bosses which can abut against the opening sliding groove.

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