CN2244981Y - Connecting external member for high pressure nailing gun - Google Patents

Abstract

The utility model relates to a connecting external member for a nailing gun. The utility model is composed of a piston barrel tail sleeve, a sealing ring and a cylindrical cylinder body having an open back end. The front end surface of the piston barrel tail sleeve is provided with a screw hole, and the back end surface of the piston barrel tail sleeve is provided with a concave part. A perforated central air hole is arranged between the screw hole and the concave part, and the sealing ring is inserted in the back end surface of the piston barrel tail sleeve. The front end of the cylindrical cylinder body is provided with a convex part matched with the concave part of the back end surface of the piston barrel tail sleeve. The convex part is provided with a through hole communicated with the inner part of the cylinder body, and the through hole is arranged relative to the central air hole in the concave part of the piston barrel tail sleeve. The outer wall of the cylindrical cylinder body is provided with a linking structure.

Description

The gases at high pressure ail gun connects external member

The utility model relates to a kind of accessory of gases at high pressure ail gun.

But the ail gun that China's utility application discloses a kind of running fire No. 93213494.7, this ail gun has gun barrel, piston cylinder, piston rod, gunlock, trigger and cartridge chamber body etc.Piston cylinder and piston rod are installed in the gun barrel, and piston rod is placed in the piston cylinder, and the cartridge chamber body is positioned at the piston cylinder rear end, offer the opening that points to the piston rod rear end at the piston cylinder rear end face.In use, the nailing of in the gun barrel of piston rod front end, packing into earlier, the nail shooting pill of packing in the cartridge chamber body is pulled the plate machine again, and the striker in the gunlock ejects the bump nail shooting pill and draws the bullet blast.The air pressure that bomb produced promotes piston rod motion forward in piston cylinder through the opening of piston cylinder rear end face, piston rod front end face and then the nailing that promotes in the gun barrel carry out operation.With regard to above-mentioned existing ail gun, need to consume nail shooting pill to produce gases at high pressure, both increased cost of use, be unfavorable for energy savings again, thereby await improving.

The purpose of this utility model provides a kind of connection external member, is connected with the rifle body of existing air gun so that will have the gun barrel of ail gun now, repacks a kind of ail gun that does not expend nail shooting pill into thereby will have ail gun easily now.

Connection external member of the present utility model is made of the cylindric cylinder body of piston cylinder tail cover, sealing ring and rear end opening.The front end face middle part of piston cylinder tail cover offers screw.Rear end face middle part at piston cylinder tail cover has recess.The centre porosity that between the centre of the centre of above-mentioned screw and above-mentioned recess, has perforation.Sealing ring is embedded the rear end face at piston cylinder tail cover, and the sealing ring is with the above-mentioned recess corral that is positioned at piston cylinder tail cover rear end face.Front end at cylindric cylinder body has the lug boss that matches with the recess of piston cylinder tail cover rear end face.Have the through hole that communicates with cylinder interior in the centre of this lug boss, the centre porosity of the recess center of the through hole of this lug boss center and described piston cylinder tail cover is oppositely arranged.Outer wall at cylindric cylinder body has syndeton.Herein, recess that the piston cylinder tail puts and the lug boss on the cylinder body can be respectively round table-like recess and round table-like lug boss, but also can be respectively cylindric recess and cylindrical bump portion.The syndeton that is arranged at cylindric outer wall of cylinder block can be common syndetons such as connecting screw or connection hangers.The above-mentioned external member of utilizing the utility model to provide can partly be connected in the gun barrel that has ail gun now on the existing air gun rifle body, is assembled into air gun formula ail gun thereby will have ail gun now.When assembling, earlier unload the air gun gun barrel from air gun rifle body, the ail gun gun barrel is fixed in former air gun gun barrel position, hold screw before then the piston cylinder tail end on the ail gun gun barrel being screwed in the piston cylinder tail cover in this external member, and the cylinder body in this external member is put into the cylinder jacket of former air gun, and allow the piston on the former air gun insert the rear end opening (the air gun piston is matched with wall within this cylinder body) of this cylinder body, utilize the syndeton of outer wall of cylinder block that original starting handle of cylinder body and air gun or startup lever are linked to each other again, promptly constitute air gun formula ail gun simply.In addition, as manufacturer, also can directly make air gun formula ail gun by above-mentioned assembling mode with the utility model connection external member.

Because connection external member of the present utility model can partly be connected in the gun barrel that has ail gun now on the existing air gun rifle body, makes it to constitute a kind of air gun formula ail gun that does not expend nail shooting pill, therefore this connection external member has convenient and practical characteristics.

Content of the present utility model further illustrates with the following Examples, but content of the present utility model is not limited only to content related among the embodiment.

Fig. 1 is the structural representation that connects external member among the embodiment.

Fig. 2 is the user mode figure that connects external member among the embodiment.

As shown in Figure 1, the connection external member in the present embodiment is made of the cylindric cylinder body 3 of piston cylinder tail cover 1, sealing ring 2 and rear end opening.The front end face middle part of piston cylinder tail cover 1 offers screw 4, has recess 5 at the rear end face middle part of piston cylinder tail cover, has the centre porosity 6 of perforation between the centre of the centre of screw 4 and recess 5.Sealing ring 2 is embedded the rear end face at piston cylinder tail cover 1, and sealing ring 2 will be positioned at recess 5 corrals of piston cylinder tail cover rear end face.Front end at cylindric cylinder body 3 has the lug boss 7 that matches with the recess 5 of piston cylinder tail cover rear end face.Have the through hole 8 that communicates with cylinder interior in the centre of lug boss 7, the through hole 8 of this lug boss center is oppositely arranged with the centre porosity 6 of the recess center of described piston cylinder tail cover.Outer wall at cylindric cylinder body 3 has syndeton 9.In the present embodiment, the recess 5 and the lug boss 7 on the cylinder body that put of above-mentioned piston cylinder tail is respectively round table-like recess and round table-like lug boss.The syndeton 9 that is provided with at cylindric outer wall of cylinder block is connection ear suspension type syndeton.

As shown in Figure 2, the above-mentioned external member of utilizing present embodiment to provide can partly be connected in the gun barrel that has ail gun now on the existing air gun rifle body, is assembled into air gun formula ail gun thereby will have ail gun now.When assembling, unload the air gun gun barrel from air gun rifle body earlier, ail gun gun barrel 10 is fixed in former air gun gun barrel position.Then, the piston cylinder tail cover that the tail end of the piston cylinder on the ail gun gun barrel 11 screws in this external member is held screw 4 before, and the cylinder body in this external member 3 is put into the cylinder jacket 12 of former air gun, and allow the piston 13 on the former air gun insert the rear end opening of this cylinder body 3, utilize the syndeton 9 of outer wall of cylinder block that the original startup lever 14 of cylinder body 3 and air gun is linked to each other again, promptly constitute air gun formula ail gun simply.When using this air gun formula ail gun, can move air pressure starting handle 15 on the former air gun to perpendicular to the rotation of body of a gun direction, make to start lever 14 and drive cylinder bodies 3 motion backward in cylinder jacket 12.Cylinder body 3 drives the air gun piston 13 that is placed in it and moves backward in motion process backward, make former air gun pellet spring 16 make compressive strain simultaneously.When motion put in place, the hook 17 that is fixed in piston rear end buckled on air gun trigger 18.After this, air pressure starting handle 15 is resetted, drive cylinder body 3 simultaneously and travel forward, enter the recess 5 that the piston cylinder tail puts until the lug boss 7 of cylinder body 3, the rear end face of the front end face of cylinder body 3 and piston cylinder tail cover 1 is in is close to state.Again steel nail 19 is sent into from the muzzle of former nailing gun barrel, made its piston rod of being close to installing in the former ail gun piston cylinder 11 20 end before.So far, the preparation of emission steel nail is promptly accused and is finished.If cocking 18 release shackles 17, then under spring 16 resilient force, piston 13 travels forward, and pushes air in the cylinder body and produce gases at high pressure cylinder body 3 in.These gases at high pressure overlap original opening 21 of centre porosity 6 and piston cylinder rear end face and enter piston cylinder 11 through cylinder body through hole 8, piston cylinder tail, and then promote piston rod 20 motion forward in piston cylinder 11.Steel nail 19 in the corresponding promotion gun barrel of the front end face of piston rod 20 penetrates from muzzle, and object is fastening.

Claims (2)

1, a kind of gases at high pressure ail gun connects external member, it is characterized in that by piston cylinder tail cover, the cylindric cylinder body of sealing ring and rear end opening constitutes, the front end face middle part of described piston cylinder tail cover offers screw, rear end face middle part at piston cylinder tail cover has recess, the centre porosity that between the centre of the centre of described screw and the female portion, has perforation, described sealing ring is embedded the rear end face at piston cylinder tail cover, the sealing ring is with the described recess corral that is positioned at the piston cylinder rear end face, front end at described cylindric cylinder body has the lug boss that matches with the recess of piston cylinder tail cover rear end face, has the through hole that communicates with cylinder interior in the centre of this lug boss, the centre porosity of the recess center of the through hole of this lug boss center and described piston cylinder tail cover is oppositely arranged, and has syndeton at the outer wall of cylindric cylinder body.

2, connection external member as claimed in claim 1 is characterized in that recess and the lug boss on the cylinder body that described piston cylinder tail puts are respectively round table-like recess and round table-like lug boss.

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