CN201154472Y - Firing device of gunpowder nail gun - Google Patents

Abstract

The utility model relates to a firing device of gunpowder nail gun, which is used for firing a cartridge case. The trigger device comprises a striker base, a striker with the front end part accommodated in the striker base, a first elastic element abutting against the rear end of the striker, and a trigger unit for linking the striker, wherein a shoulder part is formed on the inner surface of the surrounding wall of the striker base, and the action direction of the first elastic element is deflected with the moving direction of the striker base. When the trigger unit is at the first position, the front end of the striker abuts against the shoulder of the striker base. When the striker base moves backwards to enable the first elastic element to be compressed and store energy, and the trigger unit moves from the first position to the second position, the front end part of the striker leaves the shoulder part of the striker base and moves forwards under the elastic restoring force of the first elastic element to trigger the propellant canister. Therefore, by means of the structural design of the shoulder part of the firing pin seat, one side of the periphery of the through hole of the firing plate far away from the shoulder part is abutted against the firing pin when the firing pin is in the first position, so that the firing pin is in a deflection state, and the firing device of the gunpowder firing nail gun is provided, which has a simple structure and high safety.

Description

Firing device for gunpowder nail gun

technical field

The utility model relates to a firing device, in particular to a firing device of a gunpowder nail gun with simple structure and high safety.

Background technique

Please refer to Fig. 1 and Fig. 2. Fig. 1 is a cross-sectional view of the combined structure relationship between the firing device of the conventional gunpowder nail gun and a gunpowder nail gun, wherein a firing piece is in a ready-to-fire position, and Fig. 2 It is a perspective view illustrating the firing piece of the firing device. In the past, the existing gunpowder nail gun 1 included a hollow body 11 with a gun barrel 111 formed at the front end, an inner tube 12 that can move back and forth, an inner tube 12 connected to the inner tube 12 and a gunpowder cartridge formed at the rear end (Fig. Not shown) the cap cover 13 of the chamber 131 placed, a piston rod 14 that can move back and forth and driven by the fired powder cartridge, and a firing device.

The firing device includes a firing pin seat 15 formed with a perforation 151 and capable of moving back and forth in the barrel portion 111, a firing pin 16, a compression spring 17 abutted between the firing pin 16 and the inner surface of the body 11, A firing piece 18 abutting against the rear end surface of the firing pin seat 15 , and a trigger 19 rotatably connected to the body 11 .

The firing pin 16 includes a small-diameter portion 161 , a shoulder 162 and a large-diameter portion 163 whose diameter is larger than that of the small-diameter portion 161 . The firing piece 18 is formed with a small perforation 181 and a large perforation 182 connected to each other. The diameter of the small through hole 181 is smaller than the diameter of the large diameter portion 163 of the firing pin 16 and larger than the diameter of the small diameter portion 161 of the firing pin 16 . The diameter of the large through hole 182 is larger than the diameter of the large diameter portion 163 of the firing pin 16 . The trigger 19 can drive the firing piece 18 to move relative to the main body 11 from a waiting position to a firing position.

Please refer to FIG. 1 , when in the cocking position, the axis of the firing pin 16 is aligned with the axis of the small perforation 181 (see FIG. 2 ) of the firing piece 18 , and only the small diameter portion 161 passes through the small perforation 181 . At this time, the inner tube 12 pushes against an object to be nailed (not shown), so that the inner tube 12 and the cap cover 13 move backward, and the firing pin seat 15 and the firing piece 18 move backward in conjunction with each other. As the firing piece 18 abuts against the shoulder 162 of the firing pin 16 , the firing pin 16 moves back and compresses the compression spring 17 .

Please refer to Fig. 3, which is a view similar to Fig. 1, illustrating that the firing piece is in a firing position. When in the fired position, the trigger 19 pushes the firing piece 18 so that the axis of the firing pin 16 aligns with the axis of the large perforation 182 (shown in FIG. 2 ) of the firing piece 18 . Since the shoulder 162 of the firing pin 16 is no longer abutting against the firing piece 18 , the large diameter portion 163 of the firing pin 16 passes through the large perforation 182 . At this time, the firing pin 16 is moved forward by the elastic restoring force of the compression spring 17 , touches and fires the powder cartridge (not shown in the figure), and drives the piston rod 14 .

The design of the firing device of the gunpowder nail gun requires safety considerations. A good design of the firing device can make the gunpowder nail gun fall within a certain height, and it is not easy to trigger the firing device due to gravity and cause a safety incident.

This shows that the percussion device of above-mentioned existing gunpowder nail gun obviously still has inconvenience and defect in structure and use, and needs to be further improved urgently. In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but for a long time no suitable design has been developed, and the general products do not have a suitable structure to solve the above-mentioned problems. This is obviously related The problem that the industry is eager to solve. Therefore, how to create a firing device for a gunpowder nail gun with a new structure is one of the current important research and development issues, and has also become a goal that the industry needs to improve.

In view of the above-mentioned defects in the firing device of the existing gunpowder nail gun, the designer actively researches and innovates based on rich practical experience and professional knowledge in the design and manufacture of this type of product for many years, and cooperates with the application of theories, in order to create A firing device of a gunpowder nail gun with a novel structure can improve the firing device of a general existing gunpowder nail gun and make it more practical. Through continuous research, design, and after repeated trial samples and improvements, the utility model with practical value is finally created.

Contents of the invention

The purpose of the utility model is to overcome the defects existing in the firing device of the gunpowder nail gun, and to provide a new structure of the firing device of the gunpowder nail gun. The technical problem to be solved is to provide another structure The firing device of the simple and highly safe gunpowder nail gun is very suitable for practical use.

The purpose of this utility model and the solution to its technical problems are achieved by adopting the following technical solutions. According to a firing device of a gunpowder nail gun proposed by the utility model, the firing device is arranged in the hollow body of the gunpowder nail gun and is used to fire a powder cartridge. A firing pin seat with a perforated wall, a firing pin whose front end is accommodated in the perforation of the firing pin seat and used to fire the powder cartridge, and a firing pin that abuts against the rear end of the firing pin and the inner surface of the body The first elastic element between them, and a trigger unit that links the firing pin; wherein: the inner surface of the surrounding wall of the firing pin seat is formed with a shoulder, and the action direction of the first elastic element is the same as that of the firing pin seat The direction of movement of the trigger unit is deflected. When the trigger unit is in a first position, the front end of the firing pin abuts against the shoulder of the firing pin seat, and the firing pin cannot touch the powder cartridge. When the firing pin The needle seat moves backward toward the first elastic element so that the first elastic element is compressed by the firing pin to store energy, and when the trigger unit moves from the first position to a second position, the front end of the firing pin Leaving from the shoulder of the firing pin seat, and being moved forward by the elastic restoring force of the first elastic element, the gunpowder cartridge is fired.

The purpose of this utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

Preferably, the firing device of the above-mentioned powder nail gun, wherein the trigger unit includes a firing piece protruding from the body, the firing pin passes through the firing piece, and the firing piece can be linked to the firing piece. The needle can move between the first position and the second position relative to the body.

Preferably, the firing device of the above-mentioned gunpowder nail gun, wherein the firing piece is formed with a perforation with a diameter slightly larger than the diameter of the firing pin, and the firing pin is set through the perforation, and the firing piece is set on the firing pin. In the first position, the side of the peripheral edge of the perforation that is farther away from the shoulder abuts against the firing pin.

Preferably, the triggering device of the aforementioned gunpowder nail gun, wherein the trigger unit further includes a trigger connected to one end of the firing piece protruding from the body, the trigger can link the firing piece and can relative to the body to move between the first position and the second position.

Preferably, in the firing device of the aforementioned gunpowder nail gun, the trigger unit further includes a second elastic element abutted between the trigger and the body, and the second elastic element keeps the trigger Return to the first position, and always make the side of the perforated periphery of the firing piece that is farther away from the shoulder abut against the firing pin.

Preferably, in the firing device of the aforementioned gunpowder nail gun, the front end of the firing pin is provided with a needle point section, and when firing, the needle point section touches and fires the powder cartridge.

Preferably, the firing device of the aforementioned gunpowder nail gun, wherein the firing device further includes a reset unit, and the reset unit constantly moves the firing pin seat forward.

Preferably, the firing device of the aforementioned gunpowder nail gun, wherein the reset unit includes a return rod connected to the rear end of the firing pin seat and a contact between the rear end of the return rod and the inner surface of the main body. The third elastic element, the third elastic element linked with the reversing rod constant to make the striker seat forward.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. With the above-mentioned technical solution, the firing device of the powder nail gun of the present invention has at least the following advantages and beneficial effects: The utility model utilizes the structural design of the firing pin seat shoulder, cooperates with the trigger unit in the first position and the movement between the second position, so that the front end of the firing pin rests against the shoulder of the firing pin seat and cannot touch the powder cartridge, or leaves the shoulder of the firing pin seat and fires the powder cartridge. In the first position, the side of the perforated periphery of the firing piece that is farther away from the shoulder is against the firing pin, so that the firing pin is in a deflected state, providing another gunpowder with simple structure and high safety. The firing mechanism of the nail gun.

In summary, the utility model provides another firing device for a gunpowder nail gun with a simple structure and high safety, which has been greatly improved in terms of product structure and function, and has made significant progress in technology, and Produced easy-to-use and practical effects, and compared with the firing device of the existing gunpowder nail gun, it has an enhanced outstanding effect, so it is more suitable for practical use. It is a novel, progressive and practical new design.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The preferred embodiments are specifically cited below, together with the accompanying drawings, and detailed descriptions are as follows.

Description of drawings

Fig. 1 is a cross-sectional view illustrating the combined structural relationship between a firing device of an existing powder nail gun and a powder nail gun, wherein a firing piece is in a ready-to-fire position.

Fig. 2 is a perspective view illustrating a firing piece of the firing device.

Figure 3 is a view similar to Figure 1, illustrating the firing piece in a firing position.

Fig. 4 is a perspective view illustrating a powder nail gun.

Fig. 5 is an exploded perspective view illustrating a preferred embodiment of the firing device of the gunpowder nail gun of the present invention and the combination structure of the gunpowder nail gun.

FIG. 6 is a cross-sectional view illustrating the combination structure relationship between the preferred embodiment and the powder nail gun, and the powder nail gun is in a non-working state.

Figure 7 is a view similar to Figure 6, illustrating the powder nail gun in a cocked state.

Figure 8 is a view similar to Figure 6, illustrating the powder nail gun in a fired state.

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the invention, the specific implementation and structure of the firing device of the gunpowder nail gun proposed according to the utility model will be described below in conjunction with the accompanying drawings and preferred embodiments. , features and their effects are described in detail below.

The aforementioned and other technical contents, features and effects of the present utility model will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings. Through the description of the specific implementation, one can get a deeper and more specific understanding of the technical means and effects of the utility model to achieve the intended purpose, but the attached drawings are only for reference and description, and are not used to explain the present invention. Utility models are restricted.

Referring to Fig. 4 to Fig. 6, Fig. 4 is a perspective view illustrating a powder nailing gun, and Fig. 5 is a combination structural relationship between a preferred embodiment of the firing device of the powder nailing gun of the present invention and the powder nailing gun Figure 6 is an exploded perspective view illustrating the combined structure of the preferred embodiment and the gunpowder nailer, and a sectional view of the gunpowder nailer in a non-working state. The firing device 8 of the preferred embodiment of the utility model is arranged in the gunpowder nail gun 2 and is used for firing a powder cartridge (not shown). The gunpowder nail gun 2 includes a hollow body 21 whose front end forms a barrel portion 211, an inner tube 22 which is movable back and forth and protrudes from the barrel portion 211, and is connected to the rear end of the inner tube 22 and The rear end forms a flash cap sleeve 23 for a chamber 231 for the gunpowder cartridge to be placed, and a piston rod 24 which is movable back and forth through the inner tube 22 and is driven by the fired powder cartridge.

The firing device 8 of the preferred embodiment of the present invention includes a firing pin seat 3 , a firing pin 4 , a first elastic element 5 , a trigger unit 6 , and a reset unit 7 . In this embodiment, the first elastic element 5 can be a compression spring.

The firing pin block 3 is disposed behind the cap 23 and is disposed in the barrel portion 211 so as to be movable back and forth. The firing pin base 3 includes a surrounding wall 31 defining a through hole 311 and forming a shoulder 312 .

The firing pin 4 includes a front end 41 accommodated in the through hole 311 of the firing pin seat 3 . The front end 41 of the firing pin is formed with a needle tip section 411 for striking the powder cartridge.

The first elastic element 5 abuts between the rear end of the firing pin 4 and the inner surface of the body 21 . Moreover, due to the design of the accommodating space for accommodating the first elastic element 5 , the acting direction of the first elastic element 5 and the moving direction of the firing pin seat 3 are not on the same straight line but are skewed at a certain angle.

The trigger unit 6 includes a firing piece 61 inserted into the body 21 but partly protruding from the body 21, a trigger 62 connected to one end of the firing piece 61 protruding from the body 21, and a trigger 62 abutting against the trigger 62 and the trigger unit 6. The second elastic element 63 between the body 21 . In this embodiment, the second elastic element 63 can be a compression spring. And the firing pin 4 is installed in a perforation 611 of the firing piece 61 , and the diameter of the perforation 611 is slightly larger than the diameter of the firing pin 4 , so that the firing pin 4 can be moved when the firing piece 61 moves up and down. The trigger 62 interlocks the firing piece 61, and can move relative to the body 21 between a first position that is not pressed into the body 21 and a second position that is pressed into the body 21, and the second elastic element 63 keeps the plate The machine 62 returns to the first position.

The reset unit 7 includes a return lever 71 connected to the rear end of the striker base 3 , and a third elastic element 72 abutted between the rear end of the return lever 71 and the inner surface of the main body 21 . In this embodiment, the third elastic element 72 can be a compression spring. The third elastic element 72 is linked with the reversing rod 71 to constantly move the firing pin seat 3 forward.

Please refer to Fig. 6, when the gunpowder nail gun 2 is in a non-working state, the trigger unit 6 is in the first position, so that the front end 41 of the firing pin 4 abuts against the shoulder of the firing pin seat 3, and the firing pin Pin 4 cannot touch the powder cartridge (not shown). And because the action direction of the first elastic element 5 is skewed to the moving direction of the firing pin seat 3, the side (the bottom edge of the perforation 611) of the peripheral edge of the perforation 611 matching the firing piece 61 that is farther away from the shoulder 312 is against the firing pin. 4. Make the firing pin 4 in a deflected state, and further make the front end 41 of the firing pin 4 abut against the shoulder 312 of the firing pin seat 3 more firmly, which can improve safety.

When the operator intends to use the gunpowder nail gun 2, the operator uses the inner tube 22 to push against an object to be nailed (not shown in the figure), so that the inner tube 22 and the cap 23 move backward, and the firing pin seat 3 moves backward in conjunction. And then make the gunpowder nail gun 2 change to a state of being fired.

Please refer to FIG. 7, which is a view similar to FIG. 6, illustrating that the gunpowder nail gun is in a ready-to-fire state. When the gunpowder nail gun 2 is in the ready state, the trigger unit 6 is still at the first position, so that the front end 41 of the firing pin 4 is still against the shoulder 312 of the firing pin seat 3 . At this time, the firing pin seat 3 has moved backward, so that the first elastic element 5 is compressed by the firing pin 4 to store energy, and the third elastic element 72 is compressed by the reversing rod 71 to store energy.

When the operator touches the trigger 62 , the interlocking firing piece 61 moves from the first position to the second position, and then the gunpowder nail gun 2 is changed to a firing state.

Please refer to FIG. 8, which is a view similar to FIG. 6, illustrating that the gunpowder nail gun is in a fired state. When the gunpowder nail gun 2 is in the fired state, the firing piece 61 is moved down in conjunction with the trigger 62 , and at the same time the firing pin 4 is pushed down, so that the front end 41 of the firing pin 4 leaves the shoulder 312 of the firing pin seat 3 . And because the trigger 62 has moved to the second position, the second elastic element 63 is compressed to store energy. At this time, the firing pin 4 is ejected by the elastic restoring force of the first elastic element 5 , so that the needle tip section 411 of the firing pin 4 touches and fires the powder cartridge (not shown), and drives the piston rod 24 .

After the gunpowder cartridge is fired, the operator moves the inner tube 22 away from the object to be nailed (not shown), the inner tube 22, the cap cover 23 and the firing pin seat 3 are moved forward by the elastic restoring force of the third elastic element 72, and the plate The trigger 62 and the firing piece 61 are moved (reset) to the first position by the elastic restoring force of the second elastic element 63 . At this moment, the front end portion 41 of the firing pin 4 abuts against the shoulder portion 312 of the firing pin seat 3 again, and then the gunpowder nail gun 2 returns to the non-working state.

To sum up, by virtue of the design of the shoulder 312 of the firing pin seat 3 and the movement of the trigger unit 6 between the first position and the second position, the front end 41 of the firing pin 4 abuts against the center of the firing pin seat 3 . Shoulder 312 and unable to touch the gunpowder cartridge, or leave the shoulder 312 of firing pin seat 3 and fire the gunpowder cartridge, when matched in the first position, the side of the periphery of perforation 611 of firing piece 61 that is farther away from shoulder 312 pushes against For the firing pin 4, the firing pin 4 is in a deflected state to provide another firing device 8 of the gunpowder nail gun 2 with a simple structure and high safety, so the effect of the present utility model can indeed be achieved.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those skilled in the art can use the technical content disclosed above to make some changes or modify them into equivalent embodiments without departing from the technical solution of the present utility model. Content, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (8)

1, a kind of percussion lock of gunpowder nail hitting rifle, this percussion lock is arranged in the hollow body of this gunpowder nail hitting rifle, and in order to pull the trigger a grain, this percussion lock comprises one can move forward and backward and comprise that a striker post that defines the leg of a perforation, leading section are placed in the perforation of this striker post and in order to the firing pin of pulling the trigger this grain, first flexible member that is connected between this firing pin rear end and this body internal surface, reaches the plate machine unit of this firing pin of interlock; It is characterized in that:

The leg inner face of this striker post forms and is provided with a shoulder, and the moving direction deflection of the action direction of this first flexible member and this striker post, this plate machine unit is when a primary importance, make the leading section of this firing pin abut against shoulder in this striker post, and make this firing pin can't touch this grain, when moving behind this first flexible member, this striker post make this first flexible member be subjected to this firing pin compression and energy storage, and when this plate machine unit moves to a second place by this primary importance, make the leading section of this firing pin leave the shoulder of this striker post, and be subjected to the elastic-restoring force reach of this first flexible member and pull the trigger this grain.

2, the percussion lock of gunpowder nail hitting rifle as claimed in claim 1, it is characterized in that wherein said plate machine unit comprises that a slice protrudes in the percussion sheet of this body, this firing pin is arranged in this percussion sheet, but and should also can move between this primary importance and this second place with respect to this body by this firing pin of percussion sheet interlock.

3, the percussion lock of gunpowder nail hitting rifle as claimed in claim 2, it is characterized in that wherein said percussion sheet formation is provided with the perforation that an aperture is a bit larger tham this firing pin caliber, and this firing pin is arranged in this perforation, this percussion sheet is when this primary importance, and the side than away from this shoulder of this perforation periphery is resisted against this firing pin.

4, the percussion lock of gunpowder nail hitting rifle as claimed in claim 3, it is characterized in that wherein said plate machine unit comprises that also is connected to the plate machine that this percussion sheet protrudes in an end of this body, but this plate machine interlock should can move also by the percussion sheet with respect to this body between this primary importance and this second place.

5, the percussion lock of gunpowder nail hitting rifle as claimed in claim 4, it is characterized in that wherein said plate machine unit also comprises second flexible member that is connected between this plate machine and this body, this second flexible member perseverance makes this plate machine return back to this primary importance, and the permanent side than away from this shoulder of the perforation periphery of this percussion sheet that makes is resisted against this firing pin.

6, the percussion lock of gunpowder nail hitting rifle as claimed in claim 5 is characterized in that the leading section formation of wherein said firing pin is provided with a needle point section, and when percussion, this grain is touched and pulled the trigger to this needle point section.

7, the percussion lock of gunpowder nail hitting rifle as claimed in claim 6 is characterized in that wherein said percussion lock also comprises a reset unit, and this reset unit perseverance makes this striker post reach.

8, the percussion lock of gunpowder nail hitting rifle as claimed in claim 7, it is characterized in that wherein said reset unit comprises a reverse arm and the 3rd flexible member that is connected between this reverse arm rear end and this body internal surface that connects this striker post rear end, this reverse arm perseverance of the 3rd flexible member interlock makes this striker post reach.

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