阅读说明：本技术 一种钢钉枪枪嘴快速更换装置 (Quick replacement device for gun nozzle of steel nail gun ) 是由 李勤 徐学军 李小荣 杨发正 于 2021-11-08 设计创作，主要内容包括：本发明公开了一种钢钉枪枪嘴快速更换装置,包括钉头、钉头盖板、枪嘴,钉头上设有枪嘴连接孔,枪嘴上设有定位滑槽,钉头上设有槽孔；钉头与钉头盖板之间设有更换装置,更换装置包括定位弹簧、限位销；更换装置中的定位弹簧、限位销通过钉头与钉头盖板形成定位安装,定位弹簧的弹力保持作用在限位销上、使其端部定位抵靠处于定位滑槽中,枪嘴通过限位销和定位滑槽的匹配、从而与钉头之间形成滑动连接,枪嘴受力可对限位销顶压而对定位弹簧压缩、从而使更换装置解除对枪嘴的定位连接作用；钉头盖板上连接有使枪嘴上定位滑槽端部与限位销保持定位抵靠的复位装置。本发明在更换枪嘴时、不需要拆卸工具,非常的方便使用。(The invention discloses a quick replacement device for a gun nozzle of a steel nail gun, which comprises a nail head, a nail head cover plate and a gun nozzle, wherein the nail head is provided with a gun nozzle connecting hole, the gun nozzle is provided with a positioning chute, and the nail head is provided with a slotted hole; a replacing device is arranged between the nail head and the nail head cover plate and comprises a positioning spring and a limiting pin; the positioning spring and the limiting pin in the replacing device are positioned and installed through the pin head and the pin head cover plate, the elastic force of the positioning spring keeps acting on the limiting pin, the end part of the positioning spring is positioned and abutted in the positioning sliding groove, the gun nozzle is in sliding connection with the pin head through the matching of the limiting pin and the positioning sliding groove, the gun nozzle can be compressed to the positioning spring through the jacking of the limiting pin under the stress of the gun nozzle, and the positioning connection effect of the replacing device on the gun nozzle is relieved; the nail head cover plate is connected with a resetting device which enables the end part of the positioning chute on the gun nozzle to be positioned and abutted against the limiting pin. The invention does not need disassembling tools when replacing the gun nozzle, and is very convenient to use.)

1. A quick replacing device for a gun nozzle of a steel nail gun comprises a nail head, a nail head cover plate and a gun nozzle; the nail head is provided with a gun nozzle connecting hole for mounting a gun nozzle; the method is characterized in that: the nail head is provided with an opening chute communicated with the gun nozzle connecting hole, a replacing device is arranged between the nail head and the nail head cover plate, the gun nozzle is provided with a positioning chute, and the replacing device corresponds to the opening chute; the replacing device comprises a positioning spring and a limiting pin, wherein the positioning spring and the limiting pin in the replacing device are fixedly connected with a nail head cover plate to form positioning installation through a nail head, the elastic force of the positioning spring keeps acting on the limiting pin, and the end part of the limiting pin is positioned in the positioning sliding groove and can be connected and abutted against one end of the positioning sliding groove; the gun nozzle is in sliding connection with the nail head through matching of the limiting pin and the positioning sliding groove, and the gun nozzle can be pressed against the limiting pin under stress to compress the positioning spring, so that the replacing device can release the positioning connection effect on the gun nozzle; the nail head cover plate is connected with a reset device, and the reset device keeps a reset elastic force on the gun nozzle, so that the end part of the positioning chute on the gun nozzle is kept positioned and abutted against the limiting pin.

2. The quick change device of a nail gun nozzle as claimed in claim 1, wherein: the nail head cover plate is provided with a mounting hole for mounting the replacing device, the nail head is provided with a pin hole corresponding to the mounting hole, the positioning spring and one end part of the limiting pin are mounted in the mounting hole, the other end part of the limiting pin penetrates through the pin hole, and the end part of the limiting pin is positioned in the positioning sliding groove.

3. The quick change device of a nail gun nozzle as claimed in claim 1, wherein: the end part of the limiting pin in the positioning sliding groove is hemispherical, and the positioning sliding groove and the end part of the limiting pin, which is positioned and abutted, are designed to be matched with the end part of the limiting pin in shape.

4. The quick change device of a nail gun nozzle as claimed in claim 1, wherein: the gun nozzle is provided with a positioning seat, the positioning seat penetrates through the opening sliding chute and corresponds to the replacing device, and the positioning sliding chute is arranged on the positioning seat; and a support abutted against the reset device is arranged on one side of the positioning seat.

5. The quick change device of a nail gun muzzle of claim 2, wherein: the limiting pin comprises a cover plate hole limiting part and a pin head hole limiting part, and a positioning step is formed between the cover plate hole limiting part and the pin head hole limiting part.

6. The quick change device of a nail gun muzzle of claim 2, wherein: and spring positioning grooves are respectively arranged on the mounting holes and the limiting pins.

7. The quick change device of a nail gun muzzle of claim 4, wherein: the nail head cover plate is provided with an installation sliding hole and a positioning sliding hole which are used for installing a resetting device, and the resetting device comprises a resetting piece and a resetting spring; the reset spring has elasticity to the piece that resets, makes the piece that resets and support form the top and lean on to on acting on the rifle mouth, make on the rifle mouth location spout tip and spacer pin keep the location to support and lean on.

8. The quick change device of a nail gun muzzle of claim 5, wherein: the piece that resets includes location end, locating lever, and the location end matches and carries out whole sliding positioning in the installation slide opening, and the locating lever matches and wears to establish and carry out sliding positioning in the location slide opening, reset spring cover is established on the locating lever, and reset spring both ends are supported with location end, pin fin apron respectively and are leaned on.

9. The quick change device of a nail gun muzzle of claim 4, wherein: the side of the positioning seat is provided with a plurality of positioning bosses which can be abutted against the opening sliding groove.

Technical Field

The invention relates to the technical field of a steel nail gun, in particular to a quick replacing device for a gun nozzle of the steel nail gun.

Background

The steel nail gun has the advantages of convenient and quick use, safe and reliable performance and wide application in modern production and life, and the steel nails in the nail clamp of the steel nail gun send the nails into the gun cover groove through the pressure spring or the tension spring and then are ejected out of the gun nozzle through the firing pin.

In actual use, different steel nails are required to be used according to use requirements, and the matched gun nozzle needs to be replaced at the moment; at present, the gun nozzle on the market is complex in structural design and assembly, and the gun nozzle is very inconvenient to replace and use, so that improvement is needed.

Disclosure of Invention

The present invention is directed to solving the above-mentioned problems of the prior art and to providing a quick replacement device for a nozzle of a nail gun.

In order to solve the technical problems, the technical scheme of the invention is as follows: a quick replacing device for a gun nozzle of a steel nail gun comprises a nail head, a nail head cover plate and a gun nozzle; the nail head is provided with a gun nozzle connecting hole for mounting a gun nozzle; the nail head is provided with an opening chute communicated with the gun nozzle connecting hole, a replacing device is arranged between the nail head and the nail head cover plate, the gun nozzle is provided with a positioning chute, and the replacing device corresponds to the opening chute; the replacing device comprises a positioning spring and a limiting pin, wherein the positioning spring and the limiting pin in the replacing device are fixedly connected with a nail head cover plate to form positioning installation through a nail head, the elastic force of the positioning spring keeps acting on the limiting pin, and the end part of the limiting pin is positioned in the positioning sliding groove and can be connected and abutted against one end of the positioning sliding groove; the gun nozzle is in sliding connection with the nail head through matching of the limiting pin and the positioning sliding groove, and the gun nozzle can be pressed against the limiting pin under stress to compress the positioning spring, so that the replacing device can release the positioning connection effect on the gun nozzle; the nail head cover plate is connected with a reset device, and the reset device keeps a reset elastic force on the gun nozzle, so that the end part of the positioning chute on the gun nozzle is kept positioned and abutted against the limiting pin.

In the quick replacement device for the gun nozzle of the steel nail gun, the nail head cover plate is provided with a mounting hole for mounting the replacement device, the nail head is provided with a pin hole corresponding to the mounting hole, the positioning spring and one end part of the limiting pin are mounted in the mounting hole, and the other end part of the limiting pin penetrates through the pin hole and is positioned in the positioning sliding groove.

In the quick replacement device for the gun nozzle of the steel nail gun, the end part, positioned in the positioning chute, of the limiting pin is hemispherical, and the end part, positioned and abutted by the positioning chute and the limiting pin, of the positioning chute is matched with the end part of the limiting pin in shape.

The gun nozzle is provided with a positioning seat, the positioning seat penetrates through the opening sliding chute and corresponds to the replacing device, and the positioning sliding chute is arranged on the positioning seat; and a support abutted against the reset device is arranged on one side of the positioning seat.

In the above quick replacement device for the gun nozzle of the steel nail gun, the limit pin comprises a cover plate hole limit part and a nail head hole limit part, and a positioning step is formed between the cover plate hole limit part and the nail head hole limit part.

In the quick replacement device for the gun nozzle of the steel nail gun, the mounting hole and the limit pin are respectively provided with a spring positioning slot.

In the quick replacement device for the gun nozzle of the steel nail gun, the nail head cover plate is provided with an installation sliding hole and a positioning sliding hole which are used for installing the reset device, and the reset device comprises a reset piece and a reset spring; the reset spring has elasticity to the piece that resets, makes the piece that resets and support form the top and lean on to on acting on the rifle mouth, make on the rifle mouth location spout tip and spacer pin keep the location to support and lean on.

In foretell steel nail rifle muzzle quick replacement device, the piece that resets includes location end, locating lever, and the location end matches and carries out whole sliding positioning in the mounting slide opening, and the locating lever matches and wears to establish and carry out sliding positioning in the positioning slide opening, reset spring cover establishes on the locating lever, and reset spring both ends lean on with location end, pin fin apron respectively and lean on.

In the quick replacement device for the gun nozzle of the steel nail gun, a plurality of positioning bosses which can be abutted against the opening sliding groove are arranged on the side surface of the positioning seat.

The invention has the following beneficial effects:

when the gun nozzle is installed, the gun nozzle is pushed into the nail head, and the gun nozzle abuts against the thrust of the limiting pin to compress the positioning spring and move backwards along with the compression, so that the limiting pin slides into the positioning sliding groove to perform positioning connection on the gun nozzle; when the gun nozzle needs to be replaced, the gun nozzle is pulled outwards with force, the stress on the gun nozzle acts on the limiting pin and compresses the positioning spring, so that the limiting pin moves backwards and the positioning connection effect on the gun nozzle is removed, and the gun nozzle can be taken down and replaced with the needed gun nozzle in the same way; when the gun nozzle is replaced, a disassembling tool is not needed, and the gun nozzle is very convenient to use.

The replacement device and the reset device are designed in a matched mode, so that the connection and the use of the gun nozzle can be guaranteed, the replacement and the use of the gun nozzle can be facilitated, and the actual use requirements of the nail gun can be met.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of the present invention in another orientation;

FIG. 5 is a perspective view of the stud of the present invention;

FIG. 6 is a perspective view of the deck of the present invention.

Detailed Description

The invention is further elucidated with reference to the accompanying drawings.

Referring to fig. 1 to 6, the present invention provides a quick replacing device for a gun nozzle of a steel nail gun, which comprises a nail head 1, a nail head cover plate 2 and a gun nozzle 3; a gun nozzle connecting hole 4 for mounting a gun nozzle 3 is arranged on the nail head 1; the nail head 1 is provided with an opening sliding groove 5 communicated with the gun nozzle connecting hole 4, the gun nozzle 3 is provided with a positioning seat 6, the gun nozzle 3 is in butt joint with the gun nozzle connecting hole 4 when the nail head is installed, and the positioning seat 6 correspondingly penetrates through the opening sliding groove 5.

A replacing device is arranged between the nail head 1 and the nail head cover plate 2, a positioning chute 7 is arranged on the gun nozzle 3, the positioning chute 7 is arranged on the positioning seat 6 and corresponds to the replacing device, an installation hole 8 for installing the replacing device is arranged on the nail head cover plate 2, and a pin hole 9 corresponding to the installation hole 8 is arranged on the nail head 1; the replacement device comprises a positioning spring 10 and a limiting pin 11, wherein the positioning spring 10 and the limiting pin 11 in the replacement device are fixedly connected with a nail head cover plate 2 through a nail head 1 to form positioning installation, specifically, the limiting pin 11 comprises a cover plate hole limiting part 12 and a nail head hole limiting part 13, and a positioning step 14 is formed between the cover plate hole limiting part 12 and the nail head hole limiting part 13; after the replacement device is installed and connected, one end parts of the positioning spring 10 and the limit pin 11 are installed in the installation hole 8, and the other end part 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 positioning step 14 and the nail head 1.

In the process that the gun nozzle 3 is connected with the gun nozzle connecting hole 4, the gun nozzle 3 is abutted with the gun nozzle connecting hole 4 to apply force to enable the end part of the positioning seat 6 on the gun nozzle to be pressed against the limiting pin 11 to compress the positioning spring 10, and finally the end part of the limiting pin 11 correspondingly slides into the positioning sliding groove 7, and the elastic force of the positioning spring 10 keeps acting on the limiting pin 11 to enable the end part of the limiting pin 11 to be positioned in the positioning sliding groove 7; the nail head cover plate 2 is connected with a resetting device, one side of the positioning seat 6 is provided with a support 15 which is abutted against the resetting device, and the resetting device keeps a resetting elasticity for the support 15 on the gun nozzle 3, so that the end part of the positioning chute 7 on the gun nozzle 3 is positioned and abutted against the limiting pin 11; the cooperation of changing device and resetting means makes and forms location sliding connection between rifle mouth 3 and pin fin 1, and in the in-process of rifle mouth 3 installation and later stage use change use, to rifle mouth 3 application of force, make its positioning seat 6 accomplish or remove the location with the spacer pin 11 in the device of changing can, other rifle mouths of treating the change are furnished with the structural design who corresponds with the device of changing and resetting means equally.

Furthermore, the end part of the limit pin 11 in the positioning chute 7 is hemispherical, and the end part of the positioning chute 7, which is positioned and abutted against the limit pin 11, is designed to be matched with the end part of the limit pin in shape, so that the positioning effect of the limit pin can be conveniently completed or removed in the process of mounting or replacing the gun nozzle with force.

Further, in order to improve the stability of the mounting connection of the rigid replacing device, spring positioning grooves 16 are respectively arranged on the mounting hole 8 and the limiting pin 11.

Specifically, the nail head cover plate 2 is provided with an installation sliding hole 17 and a positioning sliding hole 18 for installing a resetting device, the resetting device comprises a resetting piece 19 and a resetting spring 20, and the resetting piece 19 comprises a positioning end 21 and a positioning rod 22; when the mounting connection is carried out, the positioning end 21 is matched in the mounting slide hole 17 for integral sliding positioning, and the positioning rod 22 is matched and penetrated in the positioning slide hole 18 for sliding positioning, so that the resetting piece 19 is positioned and slidably connected in the nail head cover plate 2;

when the reset spring 20 is installed, the reset spring is sleeved on the positioning rod 22, and two ends of the reset spring 20 are respectively abutted against the positioning end 21 and the nail head cover plate 2, so that elastic force to the reset piece 19 is formed; the reset spring 20 has elasticity to the reset piece 19, so that the reset piece 19 and the bracket 15 form abutting, and therefore the reset device keeps a reset elasticity to the gun nozzle, so that the end part of the positioning chute on the gun nozzle keeps positioning abutting with the limiting pin.

Further, the side of positioning seat 6 is equipped with a plurality of location bosss 23 that can lean on with opening spout 5 department, in the use of rifle mouth installation, change and later stage, the location boss plays further positioning action to the rifle mouth.

The above detailed description is provided for the quick change device of the nozzle of the nail gun according to the embodiment of the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the above description of the embodiments is only used to help understanding the technical solution disclosed by the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation of the present invention.