CN209999116U

CN209999116U - striker structure for nailing tool

Info

Publication number: CN209999116U
Application number: CN201920683214.1U
Authority: CN
Inventors: 杨东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-31
Anticipated expiration: 2029-05-14

Abstract

The utility model provides an kind penetrate nail instrument firing pin structure, including firing pin sleeve pipe and firing pin subassembly, be provided with on the firing pin subassembly and only send out the mechanism, adopt firing pin sleeve pipe rear end to do the backstop portion that sends out the mechanism.

Description

striker structure for nailing tool

Technical Field

The utility model relates to an kinds of ail shooters, concretely relates to kinds of nail shooters firing pin structure.

Background

CN204725449U discloses a fastening nail gun, which comprises a gun body and a handle or extension bar connected to the tail of the gun body, wherein the gun body comprises a base, an outer cover, a main body, a striker assembly, a striker triggering device, a reset device and a nail fixing assembly, the main body is in threaded connection with the base, the outer cover is sleeved outside the main body, the striker assembly comprises a striker fixing member, a striker spring, a slide guide pin and a striker, the striker is fixed at the front end of the striker fixing member, the striker spring is arranged between the rear part of the striker fixing member and the base, the slide guide pin traverses the striker fixing member along the radial direction of the striker fixing member, and the two ends of the slide guide pin are respectively located in a radial groove formed on the main body and are closed by the outer cover, the striker triggering device comprises a striker assembly guider, a trigger button and a spring arranged on the striker fixing member, the striker assembly is arranged inside the main body, the striker assembly guider comprises a striker guide part and a striker fixing member guide part, the rear part is provided with a keyway and a radial groove formed with an opening, the trigger button and a keyway for locating the trigger button, the striker assembly is arranged in the middle of the striker fixing member, the striker assembly is provided with a stop hole for locating in the striker assembly, the striker guide pin, the striker assembly is arranged in the keyway of the striker assembly, the striker assembly is arranged in the keyway of the striker fixing member, the striker assembly is arranged in the keyway of the striker guide pin guide.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an kind of firing pin structures of shooting nail instrument, this firing pin structure can also stabilize the hanging-up after long-time the use.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A firing pin structure for nail-shooting tool is composed of a casing and a firing pin assembly with a trigger mechanism.

, the striker assembly includes a striker mount and a striker disposed on the striker mount, an outer wall of the striker mount partially in clearance engagement with an inner wall of the striker sleeve.

the striker base is a non-standard cylinder with side edges, and the arc surface of the non-standard cylinder is in clearance fit with the inner wall of the striker sleeve.

, a notch is arranged on the striker base, and the tail of the locking key is positioned in the notch.

, a slotted hole is axially provided in the striker sleeve.

, the striker sleeve outer wall is provided with an annular ledge.

, the striker sleeve includes a sleeve A and a sleeve B, the sleeve A having an outer diameter less than the outer diameter of the sleeve B, and the annular ledge is located at the transition between the sleeve A and the sleeve B.

the step, the hair stopping mechanism includes a ladder hole on the firing pin seat, a hair stopping key and a pressure spring are arranged in the ladder hole, the upper end of the pressure spring is abutted (the abutment refers to abutting contact) with the convex edge A of the head of the hair stopping key, the lower end of the pressure spring is abutted with the step table surface of the ladder hole, and the convex edge B at the tail of the hair stopping key is clamped on the outer wall of the firing pin seat.

, a spring ring is arranged between the flange B at the tail of the hair stop key and the outer wall of the firing pin seat.

Has the advantages that: the utility model skillfully adopts the rear end of the firing pin sleeve as the stopping part of the firing stop mechanism, and can hang up at any position in the circumferential direction of the rear end of the firing pin sleeve, thereby being capable of stabilizing the hang-up after long-time use, and the service life of the firing pin sleeve is at least 10 times of that of the firing pin structure of the nail gun disclosed in CN 204725449U; the adoption of the nail shooting tool containing the utility model can realize radial and axial heat dissipation and slag discharge, has excellent heat dissipation performance and is convenient for cleaning internal residues; adopt and contain the utility model discloses a penetrate nail instrument need not to be equipped with many sets of reserve parts such as key, pressure spring only, can practice thrift product manufacturing cost.

Drawings

FIG. 1 is a schematic view of a firing pin structure of the nailing tool in embodiment 1;

FIG. 2 is a schematic view of a firing mechanism of the firing pin structure of the nailing tool in embodiment 1;

FIG. 3 is a side view of the striker base of the striker structure of the nailing tool of embodiment 1;

FIG. 4 is a schematic view of a striker guide of the striker structure of the nailing tool in example 1;

FIG. 5 is a schematic view of the nailing tool in example 2.

Detailed Description

The present invention is described in with reference to the accompanying drawings and the embodiments, but the following description of the embodiments is only for the purpose of helping understanding the principle and the core idea of the present invention, and is not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1-5, kinds of firing tool firing pin structures include a firing pin sleeve 7 and a firing pin assembly, the firing pin assembly is provided with a firing mechanism, the rear end of the firing pin sleeve 7 is used as a stop of the firing mechanism, wherein, the firing pin sleeve 7 includes a sleeve a701 and a sleeve B702, the outer diameter of the sleeve a701 is smaller than that of the sleeve B702, and the annular flange 35 is located at the transition position of the sleeve a701 and the sleeve B702.

The striker assembly comprises a striker seat 11 and a striker 24 arranged on the striker seat 11, wherein the outer wall of the striker seat 11 is partially in clearance fit with the inner wall of the striker sleeve 7. In this embodiment, the striker base 11 is a non-standard cylinder with side edges, and the circular arc surface 31 of the non-standard cylinder is in clearance fit with the inner wall of the striker sleeve 7, as shown in fig. 1 and 3.

Wherein, a groove 30 is arranged on the firing pin seat 11, and the tail part of the hair stopping key 13 of the hair stopping mechanism is positioned in the groove 30.

As shown in fig. 4, a strip-shaped hole 33 is axially formed in the striker sleeve 7, and the strip-shaped hole 33 is used for matching with a limit pin of the nail shooting tool.

Wherein, the outer wall of the firing pin sleeve 7 is provided with an annular convex edge 35, and the annular convex edge 35 is used for matching with the inner wall of the firing pin cylinder 14.

The striker sleeve 7 includes a sleeve a701 and a sleeve B702, the outer diameter of the sleeve a701 is smaller than the outer diameter of the sleeve B702, and the annular ledge 35 is located at the transition between the sleeve a701 and the sleeve B702.

As shown in fig. 2, the hair-stop mechanism includes: a stepped hole 25 arranged on the firing pin seat 11, a hair-stop key 13 and a pressure spring 26 are arranged in the stepped hole 25, the upper end of the pressure spring 26 is abutted against a convex edge A27 at the head of the hair-stop key 13, the lower end of the pressure spring 26 is abutted against a step surface 28 of the stepped hole 25, and a convex edge B29 at the tail of the hair-stop key 13 is clamped on the outer wall of the firing pin seat 11. A spring retainer 36 is arranged between the convex edge B at the tail part of the hair-stopping key 13 and the outer wall of the firing pin seat 11.

In the using process, the hanging point of the nail shooting tool cannot be hung or failed due to abrasion after being used for multiple times (collision), the rear end of the firing pin sleeve is skillfully adopted as the stopping part of the stopping mechanism by the firing pin structure, hanging can be realized at any position in the circumferential direction of the rear end of the firing pin sleeve, and when one hanging point fails, the hanging can be continued and stabilized only by appropriately rotating the firing pin sleeve, so that the service life of the nail shooting tool is greatly prolonged, and the service life of the nail shooting tool is at least 10 times of that of the nail shooting gun disclosed by CN204725449U (the nail shooting tool in the document can only be hung at the stopping part).

Example 2

This example focuses on a nailing tool, nailing tools, using the firing pin structure of example 1, and is shown in detail in fig. 5.

The nail shooting tool comprises a shell, a firing pin structure and a firing assembly, wherein the firing pin structure and the firing assembly are arranged in the shell, and a nail tube 2 is arranged at the front part of the shell; the firing pin structure comprises a firing pin sleeve 7 and a firing pin assembly, wherein a hair stopping mechanism is arranged on the firing pin assembly, and the rear end of the firing pin sleeve 7 is used as a stopping part of the hair stopping mechanism; the shell comprises a firing cylinder 22, a connecting cylinder 16 movably arranged at the front part of the firing cylinder 22 and an impacting needle cylinder 14 arranged at the front part of the connecting cylinder 16, wherein a spring A17 is arranged on the outer wall of the firing cylinder 22; before firing, the hair stopping key 13 of the hair stopping mechanism is clamped at the rear end of the firing pin sleeve 7, and when the hair stopping key 13 of the hair stopping mechanism is contacted with a slope 23 arranged inside a firing cylinder 22 and is pressed, the hair stopping key slides into the inner cavity of the firing pin sleeve 7 to achieve firing.

As shown in fig. 1 and 2, the hair stop mechanism includes: a stepped hole 25 arranged on the striker base 11, a hair-stop key 13 and a pressure spring 26 are arranged in the stepped hole 25, the upper end of the pressure spring 26 is abutted against a convex edge A27 of the head part of the hair-stop key 13 (namely, the upper part of the hair-stop key 13 shown in the figure), the lower end of the pressure spring 26 is abutted against a step surface 28 of the stepped hole 25, and a convex edge B29 of the tail part of the hair-stop key 13 (namely, the lower part of the hair-stop key 13 shown in the figure) is clamped on the outer wall of the striker. A spring retainer 36 is arranged between the convex edge B at the tail part of the hair-stopping key 13 and the outer wall of the firing pin seat 11. With this structure, it is also possible to prevent the pressure spring 26 and the anti-rattle key 13 from scattering, without requiring a plurality of sets of spare parts for each product.

As shown in fig. 1-5, the striker assembly includes a striker mount 11, a striker 24 attached to the front of the striker mount 11, and a firing assembly attached to the rear of the striker mount 11.

In this embodiment, the striker base 11 is provided with a groove 30, and the tail of the hair-stop key 13 is located in the groove 30. By adopting the structure, the nail shooting tool can be prevented from being deadly clamped in the use process, and the flexibility of the nail shooting tool is improved.

In this embodiment, the outer wall of the striker base 11 is partially in clearance fit with the inner wall of the striker sleeve 7. Specifically, the striker base 11 is a non-standard cylinder with side edges, and the circular arc surface 31 of the non-standard cylinder is in clearance fit with the inner wall of the striker sleeve 7. Adopt such structure can realize the axial heat dissipation, arrange the sediment, prevent that the residue from long-pending in penetrating the nail instrument, conveniently clear up simultaneously and penetrate the nail instrument.

In this embodiment, the firing cylinder 22 is provided with a pin hole, the firing pin sleeve 7 is axially provided with a strip-shaped hole 33, and the limit pin is simultaneously disposed in the pin hole and the strip-shaped hole 33 in a matching manner. By adopting the structure, radial heat dissipation and slag discharge can be realized, and residues are prevented from being accumulated in the nail shooting tool better.

In this embodiment, the striker receiving sleeve 7 is provided with an annular convex edge 35, and the annular convex edge 35 is in clearance fit with the inner wall of the striker cylinder 14.

In this embodiment, the firing cylinder 22 has an annular ledge 34 at the front, the striker sleeve 7 has a spring B9, the end of the spring B9 abuts the annular ledge 35 of the striker sleeve 7, and the other end abuts the annular ledge 34.

In this embodiment, the firing assembly comprises a guide rod 18 and a firing spring 15, wherein the front portion of the firing spring 15 abuts against and is sleeved on the striker base 11, and the rear portion of the firing spring 15 abuts against and is sleeved on the guide rod 18.

In this embodiment, a detachable plug 19 is disposed at the rear end of the firing cylinder 22, and the guide bar 18 abuts against the plug 19. Specifically, the plug 19 is provided with a pin hole in the radial direction and an inner cavity for accommodating the guide rod 18 in the axial direction.

In this embodiment, the middle and the front of the guide rod 18 are cylinders, the tail is a non-standard cylinder, the arc surface of the non-standard cylinder is in clearance fit with the inner cavity wall of the plug 19, and the tail of the guide rod 18 is also radially provided with a pin hole. When the tail of the guide rod 18 is positioned in the inner cavity of the plug 19 and the pin shaft 21 simultaneously penetrates through the pin hole on the plug 19 and the pin hole on the guide rod 18, the pin shaft 21 is fixed by the retainer ring 20.

In the embodiment, the nail tube 2 is arranged at the front end of the needle striking cylinder 14, and the front part of the striker sleeve 7 can extend into the cavity of the nail tube 2 and slide along the axial direction of the nail tube 2.

In the embodiment, the outer wall of the nail tube 2 is provided with a slag discharging sleeve 1 and a nail tube seat 3, and the nail tube 2 is connected with a collision needle cylinder 4 through the nail tube seat 3.

In this embodiment, the striker barrel 4 is externally provided with a rubber sleeve 5.

In this embodiment, the connecting cylinder 16 is connected to the firing pin cylinder 4 in a threaded manner.

In this embodiment, the nail tube 2 and the striker sleeve 7 are connected by a screw thread, and the nail tube 2 and the striker barrel 4 are connected by a screw thread.

The working principle is as follows: the firing pin sleeve 7 moves to the tail of the shell after being pressed (the tail of the shell is a part near a plug 19 of a nail shooting tool), and drives the firing pin assembly to move to the tail of the shell, so that the firing spring 15 is compressed through the firing pin assembly to realize energy storage, and in the process, a firing stop key 13 of the firing stop mechanism is always clamped at the rear end of the firing pin sleeve 7 (namely, the firing stop key 13 is always clamped at a stopping part); after the hair stopping key 13 of the hair stopping mechanism is contacted with the slope 23 in the firing cylinder 22, along with the continuous backward movement of the firing pin assembly, the head (top) of the hair stopping key 13 can be under the pressure action of the slope 23, the hair stopping key 13 can slide into the inner cavity of the firing pin sleeve 7 under the matching of the pressure spring 26, after the hair stopping key 13 slides into the inner cavity of the firing pin sleeve 7, the firing spring 15 can be reset instantly and releases the elastic force, the elastic force generated by the reset of the firing spring 15 is transmitted to the firing pin assembly, so that the firing pin assembly moves forwards to strike the firing pin to realize firing.

The nail shooting tool can realize radial and axial heat dissipation and slag discharge, has excellent heat dissipation performance, is convenient for cleaning internal residues, and does not need to completely disassemble the whole product into parts in the cleaning process; the nail shooting tool has the advantages that parts are not easy to scatter, spare parts such as multiple sets of hair-stopping keys and pressure springs are not needed, and the manufacturing cost of products can be saved.

Claims

A firing pin structure for a nail-shooting tool is characterized by comprising a firing pin sleeve (7) and a firing pin assembly, wherein a firing stop mechanism is arranged on the firing pin assembly, and the rear end of the firing pin sleeve (7) is used as a stop part of the firing stop mechanism.
2. The firing pin structure of claim 1, wherein: the striker component comprises a striker seat (11) and a striker (24) arranged on the striker seat (11), and the part of the outer wall of the striker seat (11) is in clearance fit with the inner wall of the striker sleeve (7).
3. The striker structure according to claim 2, wherein: the striker base (11) is a non-standard cylinder with a lateral edge, and the arc surface (31) of the non-standard cylinder is in clearance fit with the inner wall of the striker sleeve (7).
4. The firing pin structure of claim 3, wherein: a groove (30) is formed in the bumping seat (11), and the tail of a hair stopping key (13) of the hair stopping mechanism is located in the groove (30).
5. The striker structure according to claim 4, wherein: a strip-shaped hole (33) is axially arranged on the firing pin sleeve (7).
6. The striker structure according to any one of claims 1 to 5 to , characterized in that the outer wall of the striker sleeve (7) is provided with an annular flange (35).
7. The firing pin structure of claim 6, wherein: the striker sleeve (7) comprises a sleeve A (701) and a sleeve B (702), the outer diameter of the sleeve A (701) is smaller than the outer diameter of the sleeve B (702), and the annular flange (35) is located at the transition between the sleeve A (701) and the sleeve B (702).
8. The firing pin structure of claim 7 wherein the firing mechanism comprises: the anti-explosion needle is characterized in that a stepped hole (25) is formed in the needle striking base (11), an anti-explosion key (13) and a pressure spring (26) are arranged in the stepped hole (25), the upper end of the pressure spring (26) abuts against a convex edge A (27) of the head of the anti-explosion key (13), the lower end of the pressure spring (26) abuts against a step surface (28) of the stepped hole (25), and a convex edge B (29) of the tail of the anti-explosion key (13) is clamped on the outer wall of the needle striking base (11).
9. The firing pin structure as claimed in claim 8, wherein a spring collar is provided between the flange B at the tail of the firing key (13) and the outer wall of the firing pin holder (11).
10. The firing pin structure as claimed in of any one of claims 1-5, wherein the firing mechanism comprises a stepped hole (25) formed in the firing pin base (11), a firing key (13) and a compression spring (26) are arranged in the stepped hole (25), the upper end of the compression spring (26) abuts against a protruding edge A (27) at the head of the firing key (13), the lower end of the compression spring (26) abuts against a step surface (28) of the stepped hole (25), and a protruding edge B (29) at the tail of the firing key (13) is clamped on the outer wall of the firing pin base (11).