CN2275922Y - Nailing machine structure - Google Patents

Abstract

The utility model relates to an improved nailing machine structure. A valve block is arranged out of a cylinder, diaphragm sheets made of flexible materials are respectively sealed between two ends of the valve block and two ends of a top inner seat, and an air current propelling passage and an air current returning passage are respectively formed correspond to the top inner seat. Therefore, when air current flows in the air current propelling passage and the air current returning passage, the top inner seat can be pushed to slide in order to actuate a piston in the cylinder to complete nailing and returning actions. The utility model having simple structural design is favorable for simplifying manufacturing and assembling procedures and reducing manufacturing cost, and simultaneously accumulated tolerance during assembly can be reduced. The nailing machine has favorable air tightness.

Description

The structure of nailing machine

The utility model is the structure about a kind of nailing machine, especially refer to a kind of in nailing machine, being provided with by the made diaphragm of flexible material, and make the interior seat in corresponding top be formed with the propulsive gas circulation road and reset gas channel, so air current flow can make top interior seat slippage and actuate the interior piston of cylinder, with the action of finishing nail hitting, resetting.

Consult shown in Figure 1, nailing machine commonly used is to be provided with a cylinder 10 in the body 1 substantially, be provided with piston 11 in this cylinder 10, and cylinder 10 1 ends are provided with seat 12 in the top, so the external world pumps into gas and cooperates pushing start and can making in the top seat 12 slippages with power piston 11 displacements of air valve switch.

Please consult shown in Figure 1ly again, the mobile of seat 12 is to pump into promotion by gas entirely in the aforementioned top, so whether respond well the air-tightness of nailing machine inside is, just become the key factor of decision nailing machine quality quality.So nailing machine commonly used is equiped with two O shapes rings 120,121 respectively on the seat 12 in the top, and on the footstock 14 in the corresponding top seat 12 be provided with one 0 shapes ring 140, distinguish corresponding cylinder 10 and footstock 14 by this, making is enough to constitute sealing effect and prevents to leak gas.Though this kind mode can reach sealing effect, but still have following defective: one, because group is established considerable O shape ring 120,121,140, so seat 12 was with the corresponding combination of other members the time in should pushing up, must be because of the friction of each 0 shape ring 120,121,140 and each contact-making surface, and cause the assembling quite inconvenience, and time-consuming, take a lot of work.Its two, after 120,121,140 groups on each O shape ring is established, its with each member between assembling tolerance and loss residual quantity that start caused after the two accumulates, must again the air-tightness of be scheduled to generation be had a greatly reduced quality, and then reduced the practical effect of nailing machine, be with, nailing machine structure commonly used is demanded urgently improving.

Main purpose of the present utility model, be that a kind of structure-improved of nailing machine is being provided, it borrows the made diaphragm proportioning valve piece of flexible material to link, with seat in the correspondence top constitute two independently passage for gas flow, structure is more simplified, assemble more easyly, easy, and can reduce tolerance, improve airtight effect, have more practical effect in the use.

The purpose of this utility model is achieved through the following technical solutions:

A kind of structure of nailing machine, it is to be provided with a cylinder in the body, and in this cylinder, be provided with a piston, the corresponding group of this cylinder one end is provided with seat in the top again, and in this top the seat outside again correspondence be installed with a footstock to give the formation closed, so by the external world pump into gas can promote to push up in the seat and power piston move, to reach the nail hitting purpose, it is characterized in that:

This cylinder peripheral hardware one valve piece, this valve piece just can be enclosed within seat appearance in the top, one is then sealed by the made interior diaphragm of flexible material and to be located in the inner and top of valve piece between the seat elongated end, and make valve piece the inner and push up corresponding cylinder formation closed between the interior seat elongated end, another is by the made outer membrane of flexible material again, be the envelope elongated end that is located at the valve piece with the top in lateral border between make and be sealing and be not communicated with the valve piece, so by interior, outer membrane envelope between seat in valve piece and top is established, within making in the body in the corresponding top, outer surface is formed with reset a gas channel and a propulsive gas circulation road.

Wherein can be equiped with a spring in this gas channel that resets, and make these spring two ends respectively to ending seat internal face in valve piece and top, to help to push up the interior seat person of resetting.

Now with preferable feasible embodiment and attached with diagram detailed description as back:

Fig. 1 is the prior art constructions schematic diagram.

Fig. 2 is a structural representation of the present utility model.

Fig. 3 is an action schematic diagram of the present utility model.

Consult shown in Figure 2, the structure-improved of the utility model nailing machine, be that a body 2 is provided with a cylinder 3, and in this cylinder 3, be provided with a piston 30, these cylinder 3 one ends are that corresponding group is provided with seat 4 in the top again, and in this top the seat 4 outsides again correspondence be installed with a footstock 5 to give the formation closed, so by the external world pump into gas can promote to push up in the seat 4 and power piston 30 move, to reach the nail hitting purpose.Yet omit together with common structure, so give unnecessary details at this few speech owing to establishing with upper member and group thereof all.

And main improvement part of the present utility model, please consult shown in Figure 2 again, it is at cylinder 3 peripheral hardwares one valve piece 6, this valve piece 6 just can be enclosed within seat 4 appearances in the top, one by the made interior diaphragm 71 of flexible material (as silica gel) then envelope be located in valve piece 6 inner 60 and the top between seat 4 elongated ends 40, make in valve piece 6 inner 60 and the top corresponding cylinder 3 formation closeds between seat 4 elongated ends 40.Another is by the made outer membrane 72 of flexible material again, be the envelope elongated end 61 that is located at valve piece 6 with the top in make between 4 the lateral border 41 and be sealing and be not communicated with valve piece 6.So establish, make the inside and outside surface of body 2 interior corresponding footstocks 4 be formed with reset a gas channel 80 and a propulsive gas circulation road 81 by inside and outside diaphragm 71,72 envelope of 4 in valve piece 6 and top; In the gas channel 80 that resets, be equiped with a spring 82 in addition, and make these spring 82 2 ends support only seat 4 internal faces in valve piece 6 and top respectively.

So when the air valve switch on the nailing machine 21 does not give action, the extraneous gas that is pumped into enters the gas channel 80 that resets immediately, seat 4 inner faces in this corresponding top of gas channel 80 1 ends that reset, so but the mat gas pressure will push up interior seat 4 pushing and pressing footstocks 5, and nailing machine is failure to actuate, and, reset gas channel 80 2 ends except that air-flow pumps into the position, all establish with inside and outside diaphragm 71,72 envelopes, and the top in the seat 4 again mat spring 82 push, its lateral surface can be tight against footstock 5 inner faces, so do not have the worry that gas leaks outside.

See also shown in Figure 3 again, after air valve switch 21 push action, the pipeline of the gas channel 80 that resets is led in sealing, and make in the gas flow propulsive gas circulation road 81, and act on seat 4 lateral surfaces in the top, impel that seat 4 moves to cylinder 3 in the top, and when moving, it is interior with power piston 30 that interior seat 4 in top and 5 of footstocks just provide suitable passage air feed to flow by entering cylinder 3, reaches the purpose of percussion.

Please consult Fig. 2, shown in Figure 3 again, the utility model is established by the envelope of inside and outside diaphragm 71,72, make the air-flow of start nailing machine that suitable flow channel be arranged, be quite to simplify with structure, and inside and outside diaphragm (71), (72) do not have friction law with other members, therefore make, assembling is all quite easy, easy, helps to reduce manufacturing cost.In addition each interchannel and each passage and cylinder 3, the external world, suitable sealing effect is all arranged, therefore all do not have the worry that gas rushes down dew between nailing machine inside and inside, the external world, its start and practical function are quite good, when moving owing to nailing machine of the present utility model in addition, inside and outside diaphragm 71,72 does not produce friction law with each adjacent members, in other words, inside and outside diaphragm 71,72 does not cause the worry of rushing down gas because of nailing machine action formation wearing and tearing again, be that its progressive and practicality should be not ccontaining doubtful with the utility model and common structure by contrast.

Its practicality and progressive in sum, because the utility model structural design of simplifying, make that nailing machine is more easy when making assembling effectively to reduce manufacturing cost easily, and do not have the worry of the gas of rushing down during start, so should be not ccontaining doubtful.

Claims (2)

1. the structure of a nailing machine, it is to be provided with a cylinder in the body, and in this cylinder, be provided with a piston, the corresponding group of this cylinder one end is provided with seat in the top again, and in this top the seat outside again correspondence be installed with a footstock to give the formation closed, so by the external world pump into gas can promote to push up in the seat and power piston move, to reach the nail hitting purpose, it is characterized in that:

This cylinder peripheral hardware one valve piece, this valve piece just can be enclosed within seat appearance in the top, one is then sealed by the made interior diaphragm of flexible material and to be located in the inner and top of valve piece between the seat elongated end, and make valve piece the inner and push up corresponding cylinder formation closed between the interior seat elongated end, another is by the made outer membrane of flexible material again, be the envelope elongated end that is located at the valve piece with the top in lateral border between make and be sealing and be not communicated with the valve piece, so by interior, outer membrane envelope between seat in valve piece and top is established, within making in the body in the corresponding top, outer surface is formed with reset a gas channel and a propulsive gas circulation road.

2, the structure of nailing machine according to claim 1 is characterized in that: wherein can be equiped with a spring in this gas channel that resets, and make these spring two ends respectively to ending seat internal face in valve piece and top, to help to push up the interior seat person of resetting.

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