CN200946606Y

CN200946606Y - Modularized air pressure control mechanism of pneumatic tool

Info

Publication number: CN200946606Y
Application number: CN 200620131894
Authority: CN
Inventors: 朱秀锋
Original assignee: CHINA PNEUMATICS INDUSTRY Co Ltd
Current assignee: CHINA PNEUMATICS INDUSTRY Co Ltd
Priority date: 2006-08-11
Filing date: 2006-08-11
Publication date: 2007-09-12
Anticipated expiration: 2016-08-11

Abstract

A module air pressure control mechanism for pneumatic tool comprises an actuating module consisting of a first push switch and a second push switch, both of which are connected to an air intake module via control wires. The air inlet module consists of an air inlet and a plurality of air chambers, through holes for communication being provided between chambers, each air chamber being provided with a guide hole for communicating with a push switch control wire and also with an air outlet hole communicating with an exhaust pipe. A plurality of valve rods are positioned in the air chambers, each valve rod having an inward-bottomed blind hole which is provided with a thin guide hole communicating with the corresponding air chamber. Thereby, the technical bottleneck is completely eliminated by significantly reducing the holding part and designing larger elasticity, providing pneumatic tools with more flexibility as well as fast and convenient assembly and maintenance in future design or creation.

Description

Air tool modular air pressure control mechanism

Technical field

The utility model provides a kind of pneumatic tool air pressure control mechanism, refers to air tool modular air pressure control mechanism especially.

Background technique

Consult Fig. 1, shown in Figure 2, be pneumatic tool part housing stereogram and the pneumatic tool inner body schematic representation of commonly using, as shown in Figure 2, this pneumatic tool consists predominantly of action module 1, start module 2, air inlet module 3, just general pneumatic tool includes three modules at least, some specific pneumatic tool then can increase by one in addition and switch module, wherein start module 2 is divided into some by control structure 2a again, 2b and relevant some flexible pipe 2c connect, and 3 of air inlet modules are divided into air output unit 3a, air input unit 3b, flow control valve 3c, lubricated part 3d, the flexible pipe 3f that breeches joint 3e and each element connect;

From the above, spare part is quite a lot of and complicated, and according to each part, all be provided with suitable room assembling is provided at air tool housing 4, please cooperate and consult Fig. 1, shown in Figure 2, this housing 4 is provided with the first room 4a as air output unit 3a, the assembling of air input unit 3b and flow control valve 3c, housing 4 is established the second room 4b for lubricated part 3d and partly breeches joint 3e assembling, housing 4 is established the 3rd room 4c for breeches joint 3e and the partly assembling of flexible pipe 3f, housing 4 establish the 4th room 4d the 5th glazing bar 4e and the 6th glazing bar 4f be made for dynamic model group 2 respectively by control structure 2a, the assembling of 2b and flexible pipe 2c, housing 4 provide the 7th room 4g and the 8th room 4h that the assembling of action module 1 with flexible pipe 2c is provided; So making, housing 4 goes up difficulty and complicated, and the back relevant room of making obviously also can only make its housing 4 use variability seriously limited for the specific component assembling, and the part that also can't change the difformity size uses, the many more assemblings of part are difficult more, leak probability and also improve.

The utility model people has obtained " being connected in series the portable pneumatic tool that all module group units are assembled with piping method " of novel No. 174032 patent of TW, and U.S.'s patent of invention 6,149,356 (Portable pneumatictoolassembled with module units), the combination that is particularly advantageous in a kind of product diversification changes, be convenient to provide variant brand path, unique external form demand that the client is different, it is excessive but to suffer from suction valve group volume in the actual design manufacture process, so that the technical bottleneck that grip to be difficult for causes to design and allows the external form (being that mainly handgrip grips design and is subject to the suction valve group) of customer satisfaction.

The shortcoming of known techniques problem: it is excessive that known pneumatic tool is subject to suction valve group volume, and the design that causes handgrip to grip is subject to the suction valve group, causes designing gratifying external form or handgrip grip part.On the other hand, known pneumatic tool is surrounded by the action module basically, start module and air inlet module, connect and compose with flexible pipe and be respectively a plurality of parts between relevant module, so the many assemblings of part are also difficult, also increase and leak probability, in addition also need be on the pneumatic tool housing according to the relevant assembling room of each Element Design, so the room of housing is quite a lot of, it is complicated to cause it to make, and on using, assembling can only use for specific part assembling, seriously limited the using scope of housing, the part that changes so slightly will spend huge fund in addition and make housing again, obviously be quite unpractical design.

Therefore, at the existing problem points of above-mentioned conventional construction, how to develop a kind of innovation structure that has more desirable practicability, the ardent hope of real Consumer institute also is that relevant dealer must make great efforts target and the direction that research and development break through.

In view of this, the creator this in manufacturing development and the design experiences of being engaged in Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually the utility model of a true tool practicability.

Summary of the invention

The purpose of this utility model is, a kind of air tool modular air pressure control mechanism is provided, and to solve the shortcoming of above-mentioned located by prior art, the grip part is significantly dwindled and designs and has more elasticity, also quick and convenient more in the assembling maintenance.

For achieving the above object, a kind of air tool modular air pressure control mechanism of the utility model is characterized in that, includes:

One start module, this start module have second push switch that first push switch that is connected with the air inlet module with guide line and is connected with the air inlet module with guide line;

This air inlet module comprises a suction port and several air chambers, has the intercommunicating pore that connects in order to air chamber between air chamber, and each air chamber has one in order to be communicated with the guide hole of a push switch guide line, and each air chamber has an air outlet hole that is communicated with output tube; The number valve rod, this valve rod is positioned at air chamber, and each valve rod has one by the inside blind hole in bottom, has the thin guide hole that passes to air chamber in the blind hole.

Wherein, the guide line of this first push switch is the gas control line.

Wherein, this first valve rod has three sections leakproof cushion rubbers.

Wherein, this second valve rod has three sections leakproof cushion rubbers.

Wherein, this air inlet module comprises a suction port, one first air chamber and one second air chamber, has the intercommunicating pore that 2 air chambers is connected between air chamber, and first and second air chamber has first and second guide hole that is communicated with first and second push switch guide line; First and second air chamber have connection just, reverse first and second air outlet hole of output tube; One first valve rod and one second valve rod are positioned at first and second air chamber, and first and second valve rod has one respectively by the inside blind hole in bottom, has the thin guide hole that communicates with first and second air chamber in the blind hole.

The effect of contrast prior art:

The utility model has been integrated air inlet module and start module, become a modular air pressure control mechanism, only need arrange in pairs or groups again one and move module and can use, the a large amount of minimizing of part becomes two, volume significantly dwindles, be quite progressive and practical design, so make grip part or whole air tool exterior design have more elasticity, also can design and allow the external form of customer satisfaction.Be summarized as follows:

One, the suction valve group volume of prior art is excessive, cause pneumatic tool exterior design difficulty, and the utility model significantly reduces volume with structural moduleization, make that pneumatic tool grip part or exterior design are easy, and can allow customer satisfaction, have more elasticity in the design and change, more quick and convenient is keeped in repair also in assembling.

Two, the many and dispersion of the part of prior art, so relevant winding is complicated and difficult, and the chance of leaking is also bigger, the utility model is integrated one with all parts, need only add an action module in the assembling again can use, easily assembled quick, and the chance of leaking also reduces.

Three, the pneumatic tool housing of prior art need cooperate most parts to make the room that cooperates provides assembling, limited the using scope of housing, part of the present utility model is few, and need not a plurality of rooms for assembling, so the making of pneumatic tool housing is easy, and the use of housing changes also more being easier to.

Four, make a kind of modular air pressure control mechanism of pattern, just can provide to be used on the various pneumatic tool, so a large amount of production is minimized cost.Simultaneously,, therefore, be installed in the instrument and can save the part shallow storage space owing to each part modular, thus in the tool outer casing design, bigger variation space is arranged just, and then design the profile housing that meets ergonomics.

The technology that relevant the utility model adopted, means and effect thereof after lifting a preferred embodiment now and cooperating graphic being described in more detail in, are believed the above-mentioned purpose of the utility model, structure and feature, when can by one deeply and concrete understanding.

Description of drawings

Fig. 1: be to commonly use air tool part housing stereogram.

Fig. 2: be to commonly use air tool each part schematic representation.

Fig. 3: be air pressure control mechanism schematic perspective view of the present utility model.

Fig. 4: be air inlet module cut-away view of the present utility model.

Fig. 5: be that air inlet module one of the present utility model cuts open and shows action diagram.

Fig. 6: be air inlet module of the present utility model another cut open and show action diagram.

Fig. 7: another the cuing open of air inlet module of the present utility model shown action diagram.

Fig. 8: be one preferred embodiment schematic representation of the present utility model.

Fig. 9: be another preferred embodiment schematic representation of the present utility model.

Embodiment

Consult Fig. 3, shown in Figure 4, the utility model provides a kind of air tool modular air pressure control mechanism, and this air pressure control mechanism comprises:

One start module 50, include one first push switch 51 and one second push switch 53, first push switch 51 connects air inlet module 60, the second push switches 53 with guide line 52 (being a gas control line) and connects 60 (as shown in Figure 3) of air inlet module with guide line 54 (being a gas control line);

One air inlet module 60, this air inlet module 60 comprises a suction port 61, one first air chamber 70 and one second air chamber 80 (as shown in Figure 4), first air chamber 70 is connected with second air chamber, 80 mat intercommunicating pores 62, first air chamber 70 is established the guide line 52 that first guide hole 71 is communicated with first push switch 51, first air chamber 70 is established 72 connections of first air outlet hole is just changeing output tube 63 (as shown in Figure 3), one first valve rod 90 (as shown in Figure 4), this first valve rod 90 is mounted in first air chamber 70, first valve rod 90 is established a blind hole 91 by the bottom toward interior system, in the blind hole 91 and establish thin guide hole 92 and pass to first air chamber 70, second air chamber 80 is established the guide line 54 that second guide hole 81 is communicated with second push switch 53, second air chamber 80 is established second air outlet hole 82 and is communicated with reverse output tube 64, one second valve rod 93, this second valve rod 93 is mounted in second air chamber 80, second valve rod 93 is established a blind hole 94 by the bottom toward interior system, in the blind hole 94 and establish thin guide hole 95 and pass to second air chamber 80.

Above-mentioned first valve rod 90 and second valve rod 93 minutes are provided with the leakproof cushion rubber for three sections.No matter first valve rod 90 is at jacking or lowering position, and suction port 61 is to intercommunicating pore 62 equal conductings.

Consult shown in Figure 5, on this first valve rod 90 and second valve rod, 93 normalities is will be by jacking, to seal the path (as shown in Figure 5) of first air outlet hole 72 and second air outlet hole 82, make suction port 61, the air inlet of intercommunicating pore 62 can be by first

air outlet hole

72 or 82 outputs of second air outlet hole, and its first valve rod 90 and second valve rod, 93 jacking power, main because of first push switch 51, second push switch 53 (as shown in Figure 3) presents the closed state of not pushing, so pressurized gas are by suction port 61, intercommunicating pore 62 is through first valve rod 90, the thin guide hole 92 of

second valve rod

91,95,

blind hole

91,94 enter, and under without any the outlet situation, accumulate in first valve rod 90 and second valve rod, 93 bottom surfaces and produce thrust, thrust because of area than last, air chamber place valve rod area is little, and the area of valve rod bottom surface is big, so the thrust that the valve rod bottom surface produces is pressed on the pressure of valve rod greater than air chamber gas, thrust is promoted

first valve rod

90 and 93 jackings of second valve rod, and then envelope valve first air outlet hole 72 or second air outlet hole 82.

Consult shown in Figure 6, when pneumatic tool needs turn to do, push the formation air deflating state that first push switch 51 (as shown in Figure 3) makes, this moment first guide hole 71, blind hole 91 is lost heart with the thin all trickle amount of guide hole 92, cause the pressure of first valve rod, 90 bottoms to be pressed on the pressure of first valve rod 90 less than air chamber 70, so little in first guide hole, 71 side pressure, and under the big situation of air chamber 70 internal pressures, toward pressing down and descending, a large amount of gases of the high pressure of suction port 61 are by first air chamber 70 with first valve rod 90, first air outlet hole 72 is sent to air tool action module 102 (as shown in Figure 8) and is just transporting commentaries on classics toward just changeing output tube 63 outputs.

Consult shown in Figure 7, when pneumatic tool need reverse action, push second push switch 53 (as shown in Figure 3) and make it to form air deflating state, this moment second guide hole 81, blind hole 94 is lost heart with the thin all trickle amount of guide hole 95, cause second valve rod, 93 bottom pressure to be pressed on the pressure of valve rod less than air chamber, so lose thrust again under the pressurized situation in second valve rod, 93 bottoms, force second valve rod, 93 pressurizeds toward descending, suction port 61 is through first air chamber 70, the a large amount of gases of the high pressure of intercommunicating pore 62 are by second air chamber 80, second air outlet hole 82 is sent to air tool action module 102 (as shown in Figure 8) do reverse running toward reversing output tube 64 outputs.

Consult shown in Figure 8, this pneumatic tool 100 includes a housing 101, an action module 102 and an air pressure control mechanism 103, and but modular air pressure control mechanism of the present utility model 103 and integration have start module 50 and air inlet module 60, make part letter to economize two, and housing 101 also need not to make relevant many rooms, provide modular air pressure control mechanism 103 assemblings, so in the assembling of housing 101 than tool elasticity, also better make, modular air pressure control mechanism 103 also can be used in (as Fig. 8, shown in Figure 9) on any type of pneumatic tool 100.

Consult shown in Figure 9, pneumatic tool 100 for its another form, this pneumatic tool 100 also is provided with housing 101 but shape differs from the shape of aforementioned pneumatic tool 100, pneumatic tool 100 inside also are equiped with an action module 102 and a modular air pressure control mechanism 103, the modular air pressure control mechanism 103 of obvious the utility model can be common on any type of pneumatic tool 100, and this modular air pressure control mechanism 103 also integration has start module 50 and air inlet module 60 (as shown in Figure 3).

Claims

1. an air tool modular air pressure control mechanism is characterized in that, includes:

2. air tool modular air pressure control mechanism as claimed in claim 1, it is characterized in that: the guide line of this first push switch is the gas control line.

3. air tool modular air pressure control mechanism as claimed in claim 1, it is characterized in that: this first valve rod has three sections leakproof cushion rubbers.

4. air tool modular air pressure control mechanism as claimed in claim 1, it is characterized in that: this second valve rod has three sections leakproof cushion rubbers.

5. air tool modular air pressure control mechanism as claimed in claim 1, it is characterized in that: this air inlet module comprises a suction port, one first air chamber and one second air chamber, have the intercommunicating pore that 2 air chambers is connected between air chamber, first and second air chamber has first and second guide hole that is communicated with first and second push switch guide line; First and second air chamber have connection just, reverse first and second air outlet hole of output tube; One first valve rod and one second valve rod are positioned at first and second air chamber, and first and second valve rod has one respectively by the inside blind hole in bottom, has the thin guide hole that communicates with first and second air chamber in the blind hole.