CN101786137B - Three-section valve switch structure - Google Patents
Three-section valve switch structure Download PDFInfo
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- CN101786137B CN101786137B CN 200910001142 CN200910001142A CN101786137B CN 101786137 B CN101786137 B CN 101786137B CN 200910001142 CN200910001142 CN 200910001142 CN 200910001142 A CN200910001142 A CN 200910001142A CN 101786137 B CN101786137 B CN 101786137B
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Abstract
The invention discloses a three-section valve switch structure, which is characterized in that the structure has special design of a main switch and an auxiliary switch and is matched with a positive air passage and a reverse air passage so that the air of an air pump enters a pneumatic device through the air passages to drive a pull shaft to do the actions of positive rotation, pull, reverse rotation and the like; and the auxiliary switch can reverse in a pull cap of a hand tool machine and does not retreat completely, and when the auxiliary switch is pressed, the auxiliary switch drives the pneumatic device to reverse blades and reserve the pull shaft so that the pull cap retreats completely. The three-section valve switch structure is not limited in a pull cap machine, and can be applied to the hand tool machines which need positive rotation, pull and reverse rotation.
Description
Technical field
The present invention relates to a kind of valve switch, particularly can be used in the existing hand tool machine about a kind of, can control the three-section valve switch structure of forward start, reverse start, pulling start.
Background technology
General rivet driver is mainly used in the hand tool machine of plate body assembling, such as the overlap joint of two plate bodys, be between two plate bodys, to pass a rivet, the head of utilization rivet driver has the rivet pulling device of dental lamina, the center-pole of confession staking is inserted and is pressed from both sides and stings, when the user presses down handle, can drive rivet pulling device toward retrude, center-pole is shunk back, and the body of rivet produces distortion fold, namely finish the overlap joint of plate body, riveting gun claims again hand riveter, can say the specialized hand tool machine that assembles between plate body.And the another kind of hand tool machine that is usually used in industry or the decoration is called Nut-setting gun, its purposes is very extensive, be often used in the too product that navigates, computer, communication, automobile or plant equipment etc., and on the riveting system of various thin plate or pipeline, Nut-setting gun is applied to overlap joint when assembling between two plate bodys for instance, to be used in to place one between two plate bodys and draw cap, the part that has the spiral shell section on the pull-rod of utilization Nut-setting gun screws togather with drawing cap, when the user presses down handle, can drive pull-rod toward retrude, so that center-pole shrinks back, and the part of drawing cap both sides volume spiral shell section produces distortion fold, namely finish the overlap joint of plate body, thus assembly method for pull-rod toward post-tensioning to finish the overlap joint between plate body.
Yet, generally when drawing the cap action, usually need the syllogic starts such as forward, pulling, reverse, can make and draw the cap both sides to produce distortion fold without the section thread part, and withdraw from and draw cap.But no matter existing cap-drawing machine design is single valve or double valve, often can make and draw cap to withdraw from not exclusively, will draw cap to take off from pulling shaft so that the operator must spend more the time.If can carry out design improved for the valve switch of hand tool, use an auxiliary switch, withdraw from not exclusively when drawing cap to reverse, press the described auxiliary switch pneumatics motor of can tending to act and reverse blade, and then produce and draw cap, will be quite convenient and meet economic benefit.
In view of this, the present invention be directed to above-mentioned problem, propose a kind of three-section valve switch structure, to overcome existing shortcoming.
Summary of the invention
Main purpose of the present invention is: a kind of three-section valve switch structure is provided, and it is to have the syllogic switch, can be applicable on the existing hand-held tool that needs forward, pulling and reverse, and forward, pulling and reversing function are provided.
Another object of the present invention is to: a kind of three-section valve switch structure is provided, it is to have an auxiliary switch, when hand tool machine draw cap to reverse to withdraw from not exclusively, press the described auxiliary switch pneumatic means of can tending to act and reverse blade, make that to draw cap to withdraw from more complete, increase the convenience on using.
For achieving the above object, the technical solution used in the present invention is:
A kind of three-section valve switch structure is arranged on the Pneumatic hand tools machine, it is characterized in that, described three-section valve switch structure comprises:
One body has one first cell body and the second cell body in it, but an air pump of described body and interlock outside makes a pneumatic means of described body interior and an air pressure unit drive a described intrinsic pulling shaft and spurs;
One main switch is positioned at described the first cell body, can be at described the first cell body intrinsic displacement, and the control air flow direction, making described pneumatic means drive described pulling shaft and carry out forward, pulling and reverse action, described main switch comprises:
One main body, it is a column, about have a breakthrough part, have up and down a through hole;
One button, it is solid column, can slippage in described breakthrough part, described button also has a plurality of glue rings, is socketed on the external diameter of described column, enters in the described breakthrough part with the restriction air-flow; And
A plurality of ring bodies are socketed on the external diameter of described main body, with isolated air-flow; And
One auxiliary switch is positioned at described the second cell body, can be at described the second cell body intrinsic displacement, and the control air flow direction.
Button in main switch is pressed, and button breaks away from the breakthrough part glue ring on the button in the breakthrough part slippage, and air can be entered by breakthrough part, derives by through hole, and this is the first paragraph start; When carrying out the first paragraph start, the air of air pump can be entered the forward air flue and be delivered in the pneumatic means by the first air flue, drives the pulling shaft forward by pneumatic means.Described button in the main switch is pressed, and continues simultaneously to exert pressure, and can make main body in the first cell body displacement, makes ring body stop up forward air flue and reverse air flue, and this is the second segment start; When carrying out the second segment start, the air of air pump enters air pressure unit by the first air flue, air enters air pressure unit, make on the axis of the piston and push away, and then drive in-oil cylinder pulling shaft and retreat, this is action of pulling, main switch and pulling shaft are equipped with flexible member on it, when external force is removed, flexible member can order about main switch and pulling shaft is kept in the center, and the main switch air that rear air pump carries of keeping in the center can't enter the pneumatics unit, and the flexible member on the pulling shaft pushes pulling shaft forward simultaneously, also with in the oily backstepping oil return line in the oil cylinder, oil circuit driven plunger axle descends, and makes the air in the pneumatics unit be returned the second air flue by backstepping, and passes through main switch, in the reversal of direction of flow air flue, air enters the reverse air flue, is delivered in the pneumatic means, drives pulling shaft by pneumatic means and reverses, can be socketed one on the pulling shaft and draw cap, can't take out if draw cap to reverse not exclusively, can rely on and press auxiliary switch, the air of direct air pump, enter and reverse in the air flue, this is the 3rd section start; Press auxiliary switch, auxiliary switch retreats, the air of air pump enters the second cell body by the first air flue, pass through the accommodating area, then enter the first cell body by connecting air flue, enter the reverse air flue by main switch, air enters the reverse air flue, be delivered in the pneumatic means, drive pulling shaft by pneumatic means and reverse.
Compared with prior art, the beneficial effect that the present invention has is: the present invention is applicable on the Pneumatic hand tools, take cap-drawing machine as example, it is to make pneumatic means drive pulling shaft, do the starts such as forward, pulling, reverse, the present invention also has auxiliary switch, when the cap reverse of drawing of hand tool machine is withdrawed from not exclusively, press the auxiliary switch pneumatic means of can tending to act and reverse blade, make that to draw cap to withdraw from more complete, increase the convenience on using, the present invention also can be shown in the embodiment among Fig. 9, set up one second auxiliary switch, prevent that air from flowing in the second air flue.Pneumatic means is the pneumatics motor in the present embodiment, more than only lift cap-drawing machine and cooperate pneumatic means, three-section valve switch structure of the present invention, visual different demands are installed on the different hand-held tools, carry out the change of three-section type entrained flow.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is overall structure perspective view of the present invention;
Fig. 3 (A) is main switch structural representation of the present invention;
Fig. 3 (B) does not depress schematic diagram for main switch button of the present invention;
Fig. 3 (C) is main switch button down schematic diagram of the present invention;
Fig. 4 is that main switch of the present invention is not depressed fragmentary, perspective view;
Fig. 5 is forward state of the present invention fragmentary, perspective view;
Fig. 6 (A) spurs actuator state fragmentary, perspective view for the present invention;
Fig. 6 (B) spurs the actuator state overall schematic for the present invention;
Fig. 7 (A) reverses actuator state fragmentary, perspective view for the present invention;
Fig. 7 (B) reverses the actuator state overall schematic for the present invention;
Fig. 8 is auxiliary switch actuator state of the present invention fragmentary, perspective view;
Fig. 9 (A) does not depress fragmentary, perspective view for the auxiliary switch of another embodiment of the present invention;
Fig. 9 (B) depresses fragmentary, perspective view for the auxiliary switch of another embodiment of the present invention.
Description of reference numerals: 10 Pneumatic hand tools machines; 12 bodies; 14 first cell bodies; 16 second cell bodies; 18 main switches; 181 main bodys; 182 buttons; 183 breakthrough parts; 184 through holes; 185 glue rings; 186 ring bodies; 20 auxiliary switches; 22 oil cylinders; 24 pulling shafts; 26 first air flues; 28 second air flues; 30 pneumatic means; 32 air pressure unit; 34 forward air flues; 36 reverse air flue; 40 flexible members; 42 connect air flue; 44 accommodating areas; 46 the 3rd cell bodies; 48 second auxiliary switches; 50 connecting portions.
The specific embodiment
Fig. 1 is overall structure schematic diagram of the present invention, and the present invention is a kind of three-section valve structure, and as shown in the figure, three-section valve switch structure is arranged on the Pneumatic hand tools machine 10, and Pneumatic hand tools machine 10 comprises cap-drawing machine and rivet driver etc. at least.Three-section valve switch structure comprises: a body 12, have one first cell body 14 and the second cell body 16 in it, but an air pump (not shown) of body 12 and interlock outside; One main switch 18, be positioned at the first cell body 14, can be at the first cell body 14 intrinsic displacements, and the control air flow direction, one auxiliary switch 20, be positioned at the second cell body 16, can be at the second cell body 16 intrinsic displacements, and the control air flow direction, one oil cylinder 22 is positioned at body 12 tops, have a pulling shaft 24 in the oil cylinder 22, in the body 12 and have one first air flue 26 and one second air flue 28, the annexation that it is detailed and make flowing mode and please continue to consult following graphic explanation.
Fig. 2 is overall structure perspective view of the present invention, as shown in the figure, have the first cell body 14 and the second cell body 16 in the body 12, but the air pump of body 12 and interlock outside, make a pneumatic means 30 and an air pressure unit 32 of body interior, the pulling shaft 24 that drives in the body 12 internal upper part oil cylinders 22 spurs, and pneumatic means 30 comprises pneumatics motor and vacuum suction nail at least, take cap-drawing machine as example, pneumatic means 30 is the pneumatics motor.Has the first air flue 26 in the body 12, the one end is connected with air pump, the other end is connected with the first cell body 14 and the second cell body 16, in the body 12 and have one second air flue 28, connect the first cell body 14 and air pressure unit 32, in the first cell body 14 and have a forward air flue 34, and reverse air flue 36, respectively all with pneumatic means 30 bindings; Main switch 18 is positioned at the first cell body 14, can be at the first cell body 14 intrinsic displacements, and the control air flow direction, making pneumatic means 30 drive pulling shaft 24 and carry out forward, pulling and reverse action, auxiliary switch 20 is positioned at the second cell body 16, can be at the second cell body 16 intrinsic displacements, and the control air flow direction, main switch 18 and pulling shaft 24 are equipped with flexible member 40 on it, and flexible member 40 is springs, when external force was removed, flexible member 40 can order about main switch 18 and pulling shaft 24 is kept in the center.
Fig. 3 (A) is main switch structural representation of the present invention, and as shown in the figure, main switch 18 comprises a main body 181, and it is a column, a button 182, and it is solid column; Please consult simultaneously Fig. 3 (B), Fig. 3 (B) does not depress schematic diagram for main switch button of the present invention, has a breakthrough part 183 about main body 181, has up and down a through hole 184, button 182 can be in breakthrough part 183 interior slippages, button 182 also has a plurality of glue rings 185, is enclosed within the column external diameter of button 182, enters in the breakthrough part 184 with the restriction air-flow; And a plurality of ring bodies 186, be socketed on the external diameter of main body 181, with isolated air-flow, ring body 186 is materials that rubber maybe can block air.Please see Figure 3 (C), Fig. 3 (C) is main switch button down schematic diagram of the present invention, we apply external force to described button 182, can make button 182 in breakthrough part 183 slippages of main body 181, because button 182 has the column external diameter that glue ring 185 is enclosed within button 182, please be simultaneously with reference to Fig. 3 (B), when button 182 is not pressed, glue ring 185 is to stop up breakthrough part 183, air can't be entered in the middle of the breakthrough part 183, and when button is pressed shown in Fig. 3 (C), the button slippage also makes glue ring 185 break away from breakthrough parts 183, air (arrow among the figure) is entered in the middle of the breakthrough part 183, and flowed out by through hole 184.
Fig. 4 is that main switch of the present invention is not depressed fragmentary, perspective view, as shown in the figure, rely on more clear view body 12 inner members of this local enlarged perspective, as shown in the figure, the first air flue 26 is to link outside air pump, and provide air, air is entered in the first cell body 14 by the first air flue 26, but because the button 182 of main switch 18 is not pressed, air can't enter breakthrough part 183, and simultaneously because ring body 186 blocks, air also can't be by forward air flue 34, to reverse air flue 36 one of any, entering pneumatic means 30, and completely cut off by ring body 186; 16 of the first cell body 14 and the second cell bodies have one and connect air flue 42 because auxiliary switch 20 is not pressed and in 16 displacements of the second cell body, so the air that enters the second cell body 16 by the first air flue 26 blocked, can't be by connecting air flue 42.
Fig. 5 is forward state of the present invention fragmentary, perspective view, as shown in the figure, button 182 in the main switch 18 is pressed, button 182 is in breakthrough part 183 slippages, glue ring 185 on the button 182 is broken away from the breakthrough part 183, air can be entered by breakthrough part 183, derive by through hole 184, this is the first paragraph start, and when carrying out the first paragraph start, the air of air pump (arrow among the figure) can enter the first cell body 14 by the first air flue 26, derive after then being entered by breakthrough part 183 and by through hole 184, then enter forward air flue 34, be delivered in the pneumatic means 30, drive the pulling shaft forward by pneumatic means 30.
Fig. 6 (A) is pulling actuator state of the present invention fragmentary, perspective view, as shown in the figure, and after the button 182 in the main switch 18 is pressed, continue simultaneously to exert pressure, can make main body 181 in 14 displacements of the first cell body, make ring body 186 stop up forward air flue 34 and reverse air flue 36, this is the second segment start.When carrying out the second segment start, the air of air pump (arrow among the figure) enters the first cell body 14 by the first air flue 26, and is derived by the second air flue 28.Please be simultaneously with reference to Fig. 6 (B), Fig. 6 (B) is driving status overall schematic of the present invention, after the first air flue 26 enters the first cell body 14, derive and enter air pressure unit 32 by the second air flue 28, air pressure unit more comprises a axis of the piston 322 and an oil circuit 324, the axis of the piston 322 also connects oil circuit 324, pulling shaft 24 is to be positioned in the middle of the oil cylinder 22, when air (arrow among the figure) enters air pressure unit 32, can make on the axis of the piston 322 and push away, and then the pulling shaft 24 that drives in the oil cylinder 22 retreats this action for spurring.
Fig. 7 (A) reverses actuator state fragmentary, perspective view for the present invention, please be simultaneously with reference to Fig. 7 (B), Fig. 7 (B) is reverse state overall schematic of the present invention, please see first Fig. 7 (B), as shown in the figure, because pulling shaft 24 is provided with flexible member 40, when external force is removed, flexible member 40 can order about main switch 18 and pulling shaft 24 is kept in the center, after main switch 18 is kept in the center, the air that air pump is carried is blocked by ring body 186, can't enter pneumatics unit 32, and the flexible member 40 on the pulling shaft 24 pushes pulling shaft 24 forward simultaneously, because pulling shaft 24 is front near, also with in the oily backstepping oil return line 324 in the oil cylinder 22, oil circuit 324 can descend by driven plunger axle 322, and makes the air in the pneumatics unit 32 be returned the second air flue 28 by backstepping simultaneously.Please get back to Fig. 7 (A), when air by backstepping, can enter in the first cell body 14 along the second air flue 28, because main switch 18 is subject to ordering about of flexible member 40, to keep in the center, air-flow (arrow among the figure) is by main switch 18, because blocked by ring body 186, in the direct reversal of direction of flow air flue 36 of meeting, air enters reverse air flue 36 and is delivered in the pneumatic means 30, drives pulling shafts 24 by pneumatic means 30 and reverses.
Draw the cap (not shown) owing to can be socketed one on the pulling shaft 24, if drawing cap to reverse not exclusively can't take out, can rely on and press the auxiliary pneumatic means reverse of auxiliary switch, as shown in Figure 8, Fig. 8 is auxiliary switch actuator state of the present invention fragmentary, perspective view, as shown in the figure, press auxiliary switch 20, get final product air oil first air flue 26 of direct air pump, enter and reverse in the air flue 36, this is the 3rd section start; The second cell body has an accommodating area 44, when pressing auxiliary switch 20, auxiliary switch 20 can and retreat in 16 slippages of the second cell body, the air of air pump (arrow among the figure) enters the second cell body 16 by the first air flue 26, because slippage and retreating of auxiliary switch 20, so air can be by accommodating area 44 and then by connecting air flue 42, enter the first cell body 14, owing to blocked by ring body 186, can directly by main switch 18, enter and reverse in the air flue 36, after air enters and reverses in the air flue 36, be delivered in the pneumatic means 30, drive pulling shaft by pneumatic means 30 and reverse, will draw the cap reverse to reverse fully and take out.
Fig. 9 (A) does not depress fragmentary, perspective view for the auxiliary switch of another embodiment of the present invention, as shown in the figure in the present embodiment, below the auxiliary switch 20 in body 12, be provided with one the 3rd cell body 46, the 3rd cell body is to connect the second air flue 28, because the pipeline staggered designs, the 3rd cell body can't affect the first air flue 26.Have more one second auxiliary switch 48 in the 3rd cell body 46, can be in the 46 interior slippages of the 3rd cell body; The second auxiliary switch 46 relies on a junction 50 to be connected with auxiliary switch 20, and with auxiliary switch 20 interlocks, because auxiliary switch 20 is not pressed, so entered the air of the second cell body 16 is blocked by the first air flue 26, can't be by connecting air flue 42, the second auxiliary switch 48 is not also in 46 displacements of the 3rd cell body simultaneously.Fig. 9 (B) depresses fragmentary, perspective view for the auxiliary switch of another embodiment of the present invention, when auxiliary switch 20 is depressed, the air of air pump (arrow among the figure) can enter the second cell body 16 by the first air flue 26, and by connecting air flue 42 by the first cell body 14 and main switch 18, enter and reverse in the air flue 36, but because design relation, the air that still has few part flows in the middle of the second air flue 28, for anti-here kind situation produces, by means of being set, the second auxiliary switch 48 can improve this kind situation, after auxiliary switch 20 is depressed, owing to having connecting portion 50, the second auxiliary switch 48 is connected with auxiliary switch 20, after pressing auxiliary switch 20, interlock the second auxiliary switch, the second auxiliary switch 48 is blocked the second air flue 28 simultaneously at the 3rd cell body 46 intrinsic displacements, avoids air further to enter in the air pressure unit.Rely in the present embodiment the second auxiliary switch is set, the second auxiliary switch and with the auxiliary switch interlock, utilize the second auxiliary switch can control the second air flue air current flow.
The present invention mainly proposes a kind of three-section valve switch structure, on Pneumatic hand tools, take cap-drawing machine as example, it is to make pneumatic means drive pulling shaft, do the starts such as forward, pulling, reverse, the present invention also has auxiliary switch, when the cap reverse of drawing of hand tool machine is withdrawed from not exclusively, press the auxiliary switch pneumatic means of can tending to act and reverse blade, make that to draw cap to withdraw from more complete, increase the convenience on using, the present invention also can be shown in the embodiment among Fig. 9, set up one second auxiliary switch, prevent that air from flowing in the second air flue.Pneumatic means is the pneumatics motor in the present embodiment, more than only lift cap-drawing machine and cooperate pneumatic means, three-section valve switch structure of the present invention, visual different demands are installed on the different hand-held tools, carry out the change of three-section type entrained flow.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, in the situation that does not break away from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (26)
1. a three-section valve switch structure is arranged on the Pneumatic hand tools machine, it is characterized in that, described three-section valve switch structure comprises:
One body, have one first cell body and the second cell body in it, one air pump of described body interlock outside, making a pneumatic means of described body interior and an air pressure unit drive a described intrinsic pulling shaft spurs, described the first cell body is interior and have a forward air flue and a reverse air flue, links with described pneumatic means respectively;
One main switch is positioned at described the first cell body, can be at described the first cell body intrinsic displacement, and the control air flow direction, making described pneumatic means drive described pulling shaft and carry out forward, pulling and reverse action, described main switch comprises:
One main body, it is a column, about have a breakthrough part, have up and down a through hole;
One button, it is solid column, can slippage in described breakthrough part, described button also has a plurality of glue rings, is socketed on the external diameter of described solid column, enters in the described breakthrough part with the restriction air-flow; And
A plurality of ring bodies are socketed on the external diameter of described main body, with isolated air-flow; And
One auxiliary switch, be positioned at described the second cell body, can be at described the second cell body intrinsic displacement, and control air flow direction, described button in the described main switch is pressed, and continues simultaneously to exert pressure, and can make described main body in described the first cell body displacement, make described ring body stop up described forward air flue and described reverse air flue, this is the second segment start.
2. three-section valve switch structure according to claim 1 is characterized in that: between described the first cell body and described the second cell body, have one and connect air flue.
3. three-section valve switch structure according to claim 1, it is characterized in that: have one first air flue in the described body, the one end is connected with described air pump, and the other end is connected with described the first cell body and described the second cell body.
4. three-section valve switch structure according to claim 3 is characterized in that: in the described body and have one second air flue, connect described the first cell body and described air pressure unit.
5. three-section valve switch structure according to claim 3, it is characterized in that: the described button in the described main switch is pressed, described button is in described breakthrough part slippage, glue ring on the described button is broken away from the described breakthrough part, air can be entered by described breakthrough part, derive by described through hole, this is the first paragraph start.
6. three-section valve switch structure according to claim 5, it is characterized in that: when carrying out described first paragraph start, the air of described air pump can be by described the first air flue, enter described the first cell body, and by described through hole derivation, enter described forward air flue, be delivered in the described pneumatic means, drive described pulling shaft forward by described pneumatic means.
7. three-section valve switch structure according to claim 4, it is characterized in that: when carrying out described second segment start, the air of described air pump enters described the first cell body by described the first air flue, and is derived by described the second air flue, enters described air pressure unit.
8. three-section valve switch structure according to claim 7, it is characterized in that: described pulling shaft is to be positioned in the middle of the oil cylinder, described oil cylinder also has an oil circuit and connects described air pressure unit.
9. three-section valve switch structure according to claim 8, it is characterized in that: described air pressure unit more comprises a axis of the piston, described the axis of the piston connects described oil circuit.
10. three-section valve switch structure according to claim 9, it is characterized in that: described air enters described air pressure unit, makes on the described the axis of the piston to push away, and then drives in-oil cylinder pulling shaft and retreat, and this is action of pulling.
11. three-section valve switch structure according to claim 10, it is characterized in that: described main switch and described pulling shaft are equipped with flexible member on it, when external force was removed, described flexible member can order about described main switch and described pulling shaft is kept in the center.
12. three-section valve switch structure according to claim 11, it is characterized in that: after described main switch is kept in the center, the air that described air pump is carried can't enter described air pressure unit, flexible member on the described pulling shaft pushes described pulling shaft forward simultaneously, also the oily backstepping in the described oil cylinder is returned in the described oil circuit.
13. three-section valve switch structure according to claim 12, it is characterized in that: in the described body and have one second air flue, described the second air flue connects described the first cell body and described air pressure unit, described oil circuit drives described the axis of the piston and descends, and make the air in the described air pressure unit be returned described the second air flue by backstepping, and by described main switch, flow in the described reverse air flue.
14. three-section valve switch structure according to claim 13 is characterized in that: described air enters described reverse air flue, is delivered in the described pneumatic means, drives described pulling shaft by described pneumatic means and reverses.
15. three-section valve switch structure according to claim 1 is characterized in that: cap is drawn in socket one on the described pulling shaft.
16. three-section valve switch structure according to claim 15, it is characterized in that: if describedly draw cap to reverse not exclusively and can't take out, can rely on and press described auxiliary switch, guide the air of described air pump, enter in the described reverse air flue, this is the 3rd section start.
17. three-section valve switch structure according to claim 1 is characterized in that: described the second cell body has an accommodating area.
18. three-section valve switch structure according to claim 17, it is characterized in that: between described the first cell body and described the second cell body, have one and connect air flue, has one first air flue in the described body, one end of described the first air flue is connected with described air pump, the other end is connected with described the first cell body and described the second cell body, press described auxiliary switch, described auxiliary switch retreats, the air of described air pump enters described the second cell body by described the first air flue, by described accommodating area, then enter described the first cell body by described connection air flue, enter described reverse air flue by described main switch.
19. three-section valve switch structure according to claim 18 is characterized in that: described air enters described reverse air flue, is delivered to described pneumatic means, drives described pulling shaft by described pneumatic means and reverses.
20. three-section valve switch structure according to claim 1 is characterized in that: described ring body is that rubber is made.
21. three-section valve switch structure according to claim 1 is characterized in that: described Pneumatic hand tools machine comprises cap-drawing machine and rivet driver at least.
22. three-section valve switch structure according to claim 1 is characterized in that: described pneumatic means comprises the pneumatics motor.
23. three-section valve switch structure according to claim 1 is characterized in that: described body has one the 3rd cell body.
24. three-section valve switch structure according to claim 23 is characterized in that: have one second auxiliary switch in described the 3rd cell body, described the second auxiliary switch can slippage in described the 3rd cell body, and with described auxiliary switch interlock.
25. three-section valve switch structure according to claim 24, it is characterized in that: in the described body and have one second air flue, described the second air flue connects described the first cell body and described air pressure unit, and described the second auxiliary switch can be controlled described the second air flue air-flow.
26. three-section valve switch structure according to claim 23, it is characterized in that: in the described body and have one second air flue, described the second air flue connects described the first cell body and described air pressure unit, and described the 3rd cell body is to connect described the second air flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910001142 CN101786137B (en) | 2009-01-23 | 2009-01-23 | Three-section valve switch structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910001142 CN101786137B (en) | 2009-01-23 | 2009-01-23 | Three-section valve switch structure |
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| Publication Number | Publication Date |
|---|---|
| CN101786137A CN101786137A (en) | 2010-07-28 |
| CN101786137B true CN101786137B (en) | 2013-05-01 |
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| CN 200910001142 Expired - Fee Related CN101786137B (en) | 2009-01-23 | 2009-01-23 | Three-section valve switch structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI558483B (en) * | 2014-05-20 | 2016-11-21 | Pull nail tool |
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2009
- 2009-01-23 CN CN 200910001142 patent/CN101786137B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4418764A (en) * | 1981-07-14 | 1983-12-06 | Giken Kogyo Kabushiki Kaisha | Fluid impulse torque tool |
| CN2133383Y (en) * | 1992-06-18 | 1993-05-19 | 东风汽车工业联营公司启东风动工具厂 | Gas riveting nut rivet in tension gun |
| US5377769A (en) * | 1992-12-10 | 1995-01-03 | Aichi Toyota Jidosha Kabushikikaisha | Impact wrench having an improved air regulator |
| US5303781A (en) * | 1993-06-10 | 1994-04-19 | Wunli Pneumatic Tools Co., Ltd. | Pneumatic tool |
| CN2402449Y (en) * | 1999-11-28 | 2000-10-25 | 张辉 | Pneumatic hydraulic nut rivet gun for riveting in tension |
| CN1887475A (en) * | 2006-07-20 | 2007-01-03 | 武汉理工大学 | Electromagnetically heating airplane riveting device |
| CN201150296Y (en) * | 2007-04-11 | 2008-11-19 | 熊好妹 | Full automatic tiger-bone button riveting machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI558483B (en) * | 2014-05-20 | 2016-11-21 | Pull nail tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101786137A (en) | 2010-07-28 |
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