CN2688453Y

CN2688453Y - Resetting dog of nail shooter

Info

Publication number: CN2688453Y
Application number: CN 200320112338
Authority: CN
Inventors: 黄傑雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-11-24
Filing date: 2003-11-24
Publication date: 2005-03-30
Anticipated expiration: 2013-11-24

Abstract

The utility model discloses a resetting limit stop of nail shooter which is positioned inside the nail shooter; the nail shooter is composed of a gun body, a grip, a press button, a nail box, a transmission tube which is positioned inside the gun body, an offsetting spring and a cylinder rod. The utility model is composed of two semi-circle body limit stops, a C-shaped clamp and a machine frame nut; the middle of the inner edge of each semi-circle body limit stop is provided with bosses whose top end is an oblique plane and the exoloma of the limit stop is provided with a clip groove; the C-shaped clamp clamps at the exoloma grooves of the two semi-circle body limit stops, making the two semi-circle body limit stops form a circular body; the machine frame nut is fixed and locked at the gun body, making the limit stop and the C-shaped clamp be located outside the transmission tube. The two bosses of the two semi-circle body limit stops extend into the transmission tube through an outside sliding slot of the transmission tube. The top end oblique plane of the boss bunts and contacts the back end flange of the cylinder rod. The end part of the machine frame bunts the offsetting spring, forming an interlock device between the offsetting spring and the cylinder rod. The utility model is simple in structure and the resetting limit stop can inflate automatically to release the cylinder rod without being damaged by the cylinder rod, achieving self protection goal.

Description

The ail gun reset baffle block

Technical field

The utility model relates to a kind of ail gun, relates in particular to a kind of simple in structurely, reset baffle block can be expanded automatically with the release plunger bar, and can not damaged by piston rod, reaches the ail gun reset baffle block of self-protection.

Background technology

Ail gun is widely used on the constructing operation relevant with cement wall nailing, its main motion characteristic is, utilize gunpowder outburst thrust to push ail gun internal piston bar, in order to the nail spare in the percussion front end nail casket, make the nail part hammer into correct position, utilize back-moving spring that piston rod is resetted again, to reach ejector pin action quickly and easily.

Existing ail gun, piston rod behind above-mentioned firing action resets, generally all be to utilize back-moving spring, when piston rod is made back and forth movement, this back-moving spring also follows piston rod to make back and forth movement, and be the only power resources that reset, because can produce the problem of elastic fatigue when spring assembly often uses, easily cause reset effect to reduce, again because the interlinked mechanism complexity between back-moving spring and piston rod, be easy to generate the resistance when resetting, above situation all is the main cause that causes the piston rod homing action bad.

In addition, interlinked mechanism between existing ail gun internal reset spring and piston rod, because of its complex structure has the big problem of operation noise, and, in practical operation, the thrust of gunpowder outburst is not under the absolute stable situation, the thrust that the ejector pin action is remaining also can be sent in inner other mechanism of the body of a gun via back-moving spring, causes improper vibrations and noise, even destroy existing part function and structure, so in actual manufacturing and manipulate and all have significant disadvantages.

The utility model content

In order to overcome the above-mentioned shortcoming that existing ail gun exists; the utility model provides a kind of ail gun reset baffle block; it is specialized in as the interlinked mechanism between ail gun internal reset spring and piston rod; can effectively solve the above-mentioned shortcoming that existing ail gun exists; have simple in structurely, the advantage that dismounting is easy to operate can expand automatically with the release plunger bar reset baffle block; and can not damaged by piston rod, reach the purpose of self-protection.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of ail gun reset baffle block, the ail gun inside that is arranged on by the body of a gun, handle, signature button, follows closely casket, is positioned at the transmitting tube, a back-moving spring of body of a gun inside, forms with a piston rod, it is characterized in that, comprise: two semicircular body blocks, in the middle of the inner edge of two semicircular body blocks, be respectively equipped with the boss on tool inclined-plane, top, the outer rim of block is provided with clip slot; One C clamp is held in the clip slot of two semicircular body block outer rims, makes two semicircular body blocks constitute a round; One machine frame nut admittedly be locked in the body of a gun, makes block and C clamp be positioned in the outside of transmitting tube; Two boss of two semicircular body blocks, just protrude out in the transmitting tube, can end the flange that butt touches the piston rod rear end by inclined-plane, boss top, the end of machine frame nut via the chute of transmitting tube outside, only be butted on back-moving spring, and constitute the interlinked mechanism between back-moving spring and the piston rod.

The beneficial effects of the utility model are, have simple in structurely, and the advantage that dismounting is easy to operate can expand with the release plunger bar reset baffle block automatically, and can not damaged by piston rod, reaches the purpose of self-protection.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the ail gun schematic appearance that the utility model is assembled in an ail gun inside

Fig. 2 is the partial sectional view of ail gun shown in Figure 1.Demonstrate the relevant position of reset baffle block among the figure

Fig. 3 is the decomposing schematic representation of reset baffle block of the present utility model and associated components thereof

Fig. 4 is the action schematic diagram of ail gun percussion explosion time piston rod and reset baffle block

Fig. 5 is the homing action schematic diagram of ail gun piston rod

The number in the figure explanation:

10 body of a guies, 11 handles

12 give as security button 13 nail caskets

14 transmitting tubes, 15 chutes

16 back-moving springs, 17 piston rods

18 flanges

20 reset baffle blocks, 21 boss

22 clip slot 23C clevis

24 machine frame nuts, 25 inclined-planes

The specific embodiment

As shown in Figure 3, reset baffle block comprises two semicircular body blocks 20, in the middle of the inner edge of two semicircular body blocks 20, be respectively equipped with the top and be set as the boss 21 on inclined-plane 25, the outer rim of block 20 is provided with clip slot 22, one C clamps 23, can be clamped on the clip slot 22 of two semicircular body blocks 20, and can make two semicircular body blocks 20 constitute a round, a machine frame nut 24 is locked in the body of a gun 10 admittedly, makes this resetting block be positioned in the outside of transmitting tube 14, reset baffle block after combination, its structure as shown in Figure 2.

As shown in Figures 2 and 3, two semicircular body blocks 20, two boss 21 wherein, just protrude out in the transmitting tube 14 via the chute 15 of transmitting tube 14 outsides, and can end by the inclined-plane 25 on its top and support the flange 18 that is contacted with piston rod 17 rear ends, by the end of machine frame nut 24, only be butted on back-moving spring 16, form the interlinked mechanism between back-moving spring 16 and the piston rod 17 in view of the above.

As shown in Figure 4, give as security button 12 ail guns percussion explosion time when depressing, explosion chamber thrust can push piston rod 17 and forwards move, by the piston rod 17 nail spare in the push nail casket 13 forwards, finishes ejector pin and moves.

Ejector pin action after the percussion blast; make piston rod 17 back end boss 18 press the inclined-plane 25 of two boss 21; at this moment, if piston rod 17 front ends impact softer object, or brisance is too big; the flange 18 of piston rod 17 will push boss inclined-plane 25; and can expand automatically to hold piston rod flange 18, as shown in Figure 4, the chucking power of C clamp 23 can make two semicircular body blocks 20 and two boss 21 have the elasticity of contraction; can do not damaged, reach the purpose of self-protection by piston rod.

As shown in Figure 5, after the nailing action finishes, the body of a gun 10 and handle 11 release movement after because of back-moving spring 16 compression, make when moving behind the body of a gun, two boss 21 by this reset baffle block, block the back end boss 18 of piston rod 17, piston rod 17 can be pushed into an end of transmitting tube explosion chamber, reset and finish piston rod 18 automatically.

Ail gun of the present utility model is installed, when normal the use, when can moving behind the above-mentioned body of a gun, finish automatically its piston rod 18 homing actions, impact softer object if piston rod 17 front ends take place in using, or brisance is too big, when making the flange 18 extruding boss inclined-planes 25 of piston rod 17, only need the recompression ail gun body of a gun once, percussion moves after the compression that discharges back-moving spring 16 again makes the body of a gun, and piston rod 17 is successfully resetted.

Aforesaid ail gun reset baffle block, mainly as the interlinked mechanism between back-moving spring 16 and the piston rod 17, this mechanism only is by a C clamp 23 and two semicircular body blocks 20, the body of a gun that is assembled in of dismountable group type constitutes, and can significantly reduce manufacturing cost.

In actual dismounting operation, simple in structure because the part of dismountable group type reset baffle block is few, can Fast Installation or decomposition dismounting and change.

Because reset baffle block is fixed on the outside of transmitting tube 14 by machine frame nut 24, can not increase the resistance of reseting movement again, have the advantage of low operation noise yet.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of ail gun reset baffle block, be arranged on by the body of a gun, handle, signature button, follow closely casket, be positioned at body of a gun inside transmitting tube, a back-moving spring, with the ail gun inside that a piston rod is formed, it is characterized in that, comprising:

Two semicircular body blocks in the middle of the inner edge of two semicircular body blocks, are respectively equipped with the boss on tool inclined-plane, top, and the outer rim of block is provided with clip slot;

One C clamp is held in the clip slot of two semicircular body block outer rims, makes two semicircular body blocks constitute a round;

One machine frame nut admittedly be locked in the body of a gun, makes block and C clamp be positioned in the outside of transmitting tube; Two boss of two semicircular body blocks, just protrude out in the transmitting tube, by ending the flange that butt touches the piston rod rear end in inclined-plane, boss top, the end of machine frame nut via the chute of transmitting tube outside, only be butted on back-moving spring, and constitute the interlinked mechanism between back-moving spring and the piston rod.