TW201125693A - Improved pneumatic device - Google Patents

Abstract

The present invention is related to an improved pneumatic device, which comprises: a body being a hollow member and defining an X-axis, the body having a first end and a second end and comprising: a moving cylinder, a hitting piston rod and at least one exhausting vent, wherein the moving cylinder and hitting piston rod are movable back and forth along the X-axis respectively for two trips, a first trip being defined as that either the moving cylinder or the hitting piston rod moves from the first end to the second end, a second trip being defined as that either the moving cylinder or the hitting piston rod moves from the second end to the first end, the moving cylinder being in an open state while the moving cylinder is in the first trip, the moving cylinder being in a closed state while the moving cylinder is in the second trip, characterized in that the moving cylinder comprises at least an exhausting hole and an exhausting valve disposed on the periphery of the moving cylinder, while the hitting piston rod is in the second trip and the moving cylinder is in the closed state, the exhausting valve and the exhausting hole of the moving cylinder near the first end being connected to the exhausting vent disposed around the first end 1A and not parallel to the X-axis so as to form an exhausting channel.

Description

201125693 VI. Description of the Invention: [Technical Field] The present invention relates to an improved pneumatic device, particularly an improved pneumatic device which is simple in construction, small in size, does not lose efficiency, and has a new gas path. [Prior Art] The concept of green environmental protection and practical actions have been in the forefront of the year. Therefore, from the various energy sources in the early years, such as steam power, firepower, and water power, it has developed into energy sources such as electricity, solar energy, and aerodynamics. They are all on the ground to explain the growing popularity of human technology, and can apply different energy or composite energy sources to various suitable uses. However, after all, some energy sources need to cost a lot of cost and damage the earth's ecology to produce efficiency, such as nuclear energy, firepower, etc., so these energy sources will be restricted to some large-scale industrial use or holistic people's livelihood; other can not be large at the same time The energy used by individual users, such as solar energy, aerodynamics, etc., is widely used to make a single user or a few single collective users. Aerodynamics has been widely used in recent years for typical energy sources for single users or a few single collective users. Pneumatic tools are one of the applications. Pneumatic tools are like pneumatic wrenches for removing tire nuts, pneumatic nails, pneumatic rubber grabs, etc. These are all using inexpensive, highly efficient pneumatic energy for self-employed applications suitable for everyday life. However, how can this cheap energy be used effectively? The tools that the application relies on are indispensable 0 201125693 Very important. Moreover, due to the economic downturn, the small fortifications of many families are carried out by the family themselves, and the cost of removing the professionals is expensive. This kind of situation is typical of the United States. In the past few years, the country has been the most affected by the melting and tsunami. It is artificial and expensive in the US professional market. Therefore, the right-hand man can be used to complete the family in a simple and cheap way. Simple work, the best W field heat, professional applications, such as the use of pneumatic tools to build a house, ice county, law ^ reduce cost, increase efficiency is the only way. Take the construction of a house as an example. The construction specification of the ship's cover is 7 饫. The distance between the beams is 16 inches. Therefore, the length of the nailing is to be constructed between the two beams with such spacing, and there are 4 inconveniences and difficulties. Please refer to the sixteenth figure, which is the first-first, first-sense technology of the dynamic cylinder type nail-pushing-first-front view 'the t, the dynamic cylinder type nailing is included in the - body r setting, A downwardly movable cylinder 3'' cylinder 3 is provided with a δ for nailing and a second air cushion 圏41, and 42 for inner cylinder 3 to form a __ TS M A-r ^· 帛 帛 π cylinder chamber 31, and - bottom cylinder chamber 32,. =, formed inside - the main air chamber 1 〇, coherent to grab the body], the inner grip ", between the periphery, to assemble The self-grip U, the tail end is introduced into the high-rise air which is continuously supplied and maintained by a certain value, and the main air chamber-trigger room 51' receives a drive of the trigger 5 provided on the grab-body - 4β to open

The passage between the main air chamber W 17' of the grip U is opened and closed. Connected to the body 1 - the trigger air passage 6 S1 201125693 Please refer to the seventeenth figure 'the first % - SL · ^ m # φ σ technology of the dynamic cylinder type nail grab the first front view, which 'in the steam And, _ fly 3 top integrally formed with a head 8 , the head valve 8 , is provided with a main air 8 丨 and a gas stop ring 82 , and the body! There is an annular rib wall u, and the robbing garment 8 2 ' can be pressed against the annular rib wall 12 in the cylinder 3 ' to close the main air chamber through the main am main rolling valve port 81 a passage between the guard and the top cylinder chamber 31, the t-ring 82, and capable of opening the passage when the cylinder 3 is moved away from the annular rib wall 2''; and the head valve 8 is opened. An annular rib 83 is formed on the inner side of the top portion, and the body 丨J is only rushed to avoid a buffer 塾84, and the body 1 is provided with at least one escaping hole 13 at the top, which communicates with the outside atmosphere in the cylinder. Before the 3' movement, the % ribs 83 between the heads and the top 8 can open the passage between the upper escape hole 13' and the top cylinder chamber 31 to vent the high pressure space in the top cylinder chamber 31'. When the + hole is moved down and the rainbow 3' is moved down, the annular rib 83 can stop on the buffer 塾 84' to close the passage. In view of the above, the prior art is shown in the seventeenth figure, the components of the right side such as the stop gas 瑗m rolling % 82, the main air valve port 81, the upper escape hole i3, the king rib rib 83', head valve 8, etc., the increase in the length of the soil. And such a design 'cooperating with Yu's and the country's current legal restrictions, so that users will be subject to the operation of the '" system, but also increase production costs and single product prices, commercial considerations are not competitive . In addition, 'please refer to the flute figure to the twentieth picture, which is a fixed-cylinder nail-clamping figure of the second conventional technology. ^. The first s know technology fixed-cylinder nailing part of the enlarged picture Plate, "Knowledge technology, fixed rainbow type nail grabs plus 201125693 pressure and deflation state pattern. The fixed cylinder type nail gun mainly has a fixed cylinder 101, a 102 chamber 104, a top steam chamber j 〇 5, a valve sleeve 103, and a main body, as in the case of 笫+, 阁& _ Air exhaust gas seal 106 and an exhaust port

(8), wherein the valve sleeve 103 is looped on the fixed cylinder ι〇ι to control the high pressure gas of the main air chamber HM to enter the top steam 〇5, and then push the piston 102 to perform the nailing action The exhaust gas seal 〇6 is exhausted after the completion of the shot, that is, the exhaust of the piston ig2 when the nail is returned after the nail is hit. As shown in the nineteenth figure, the sleeve 1〇3 is closed, so the main air chamber H)4 is not in communication with the top steam (four) 1〇5, and the exhaust gas seal 〇6 has been opened 'so' When the piston 1〇2 completes the return, the gas in the top cylinder chamber 105 has been removed by the exhaust gas seal 1〇6 and the exhaust port 1〇7. As shown in the twentieth diagram, when the action of the eighteenth figure is completed, the space of the main breast chamber 104 is refilled with high-pressure gas, and the valve sleeve is forced to be re-opened, and the gas enters the top steam as indicated by the dotted line in the figure. Knowing that t 105 ; however, due to the high gas flow rate, and due to design problems, the valve sleeve ι 〇 3 overlaps with the opening and closing of the ventilating seal 1 〇 6 , so that the gas in the main gas chamber enters the south The human top steam red chamber 1G5 _, some of the gas leaks out from the gap W1 and the exhaust port 1〇7, which are not completely closed by the exhaust gas seal 106, and the efficiency of pushing the piston 102 is reduced as shown by the broken line in the figure. There is a second conventional technique of 4α. Although the exhaust structure has been improved and the length is reduced, the design of the valve sleeve and the exhaust gas seal overlaps in the opening and closing time due to poor design. The efficiency of propulsion is reduced. 201125693 is small and does not lose the bottlenecks faced. Therefore, how to design - the improved pneumatic device with simple structure and volumetric efficiency, to solve the problem of the conventional technology is an issue that is currently being solved. SUMMARY OF THE INVENTION The object of the present invention is to provide an improved pneumatic device with a simple construction and a new gas path.

It is an object of the present invention to provide an improved pneumatic device that is small in size, does not lose efficiency, and has a built-in, reduced production cost and an improved pneumatic device using the present invention, including: a body, a hollow vein 隹a cavity, and defining a -X axial direction, and having a -th-end and a second end, and including a Shishishi mobile type "flying cylinder", is located in the body 'The mobile type of steam can be used in Bengbu &円/X-axis reciprocating movement, and has an exhaust valve, a DO ^ ^ vent hole near the first end, an early second ring valve, at least two pore spots, θ , the annular rib, the one-shot nail piston, is located in the mobile cylinder, ^ ^ Xing mobile cylinder coaxial, can move in the moving cylinder along the X axis to the Hui complex to the (four) cylinder The inner compartment is divided into a top cylinder chamber and a bottom cylinder chamber; a pair of buffering means is disposed adjacent to the second end of the body to buffer the plunger piston rod to move to the first, the impulse and move back to the first end Impulse; a main air chamber, located inside the body 1 The edge has an air passage; the 7 vent hole is non-parallel to the X-axis and adjacent to the first end, and forms an exhaust passage with the exhaust valve and the exhaust hole to facilitate the nail piston The rod moves 201125693 back to the first end of the exhaust; an upper air chamber is located at the inner circumference of the body; a middle air chamber is located at the inner circumference of the body; and a return air chamber is located at the inner circumference of the body, and Adjacent to the second end, the high pressure gas entering the return air chamber through the second ring valve when the storage nail piston rod is moved to the second end and has not yet started moving toward the first end, the annular rib system Between the upper air chamber and the middle air chamber; - a grip portion defining a Y-axis ' and a connecting configuration with the body perpendicular to the axial direction of the body, and being a hollow body; And the trigger device is located near the grip portion, when the trigger device is pressed, the high pressure gas in the grip portion can pass through the trigger device and the air passage to reach the upper air chamber; - the towel, when pressed and released the trigger device 4 When the high pressure gas in the grip is placed through the trigger, the air passage, the upper air chamber, Steam chamber layer is red, the second ring Que,

After the return rolling chamber, the air hole, the bottom cylinder chamber, the vent hole and the trigger device, the reciprocating movement of the mobile steam smashing piston rod is completed. The present invention is to be understood as being limited by the description of the invention and the appended claims. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following, the preferred embodiments of the present invention will be described in detail with reference to the first drawings, which illustrate a modified pneumatic device view as the preferred embodiment. The improved pneumatic device comprises: 10 201125693 A body 1 is a hollow body and defines an axial direction, and has a first end 1Α and a second end 1Β, and includes: a mobile cylinder 11 The movable cylinder 11 is reciprocally movable in the body 1 along the χ axial direction, that is, including the movement from the first end 1 至 to the second end 1 ,, and then from the second The end 1] 5 moves back to the return end of the first end 1Α, the position of the first end 1Α is the starting position of the moving cylinder 11 for one moving stroke, and the second end 1 is the intermediate position of the whole stroke 'the moving cylinder 11 - the outer surface and the hollow of the body 1

The inner surface of the cavity has an exhaust valve IX near the first end (see ninth drawing) 'a venting opening ιγ near the first end (see the ninth drawing), a one-way flute near the middle between the first end and the second end (7) - a first % valve 115, at least two air holes 116 and two annular ribs 18A, 18B near the second end 1B; The nail piston rod 12 is located in the mobile cylinder 11 and is movable along the X-axis in the movable cylinder 11 with the movable cylinder 1; the movement includes moving from the first end! Going to the second end (7):: moving back from the second end 13 back to the return end of the first end 1A to partition the moving region into a top cylinder chamber (1) and a bottom cylinder chamber 112; ", are located in the body! The first end] moves nearby, left t 4 壬 X 11 and the second end 1B of the body 1 to buffer the piston rod 12 to re-arrange _

The impulse of the first end 1B and the momentum of moving back to the first end 1A; 201125693 The plurality of ventilation structures further include a main air chamber 15 channels 151; is located at the inner circumference of the body 1 and has a gas-venting hole 1-6, the system is 非-axially non-perpendicular, and adjacent to the end of the rafter 1A, to facilitate the 墼 &,, the office, the / plug 12 moves back to the first end 1 Α exhaust Exhausting is performed by using the vent hole 16, the ranking „1V 礼', the rolling valve 1X, and the vent hole 1Y formed by the ventilating passage 1Z;

- the upper air chamber 17' is located at the inner circumference of the body 1; and - the middle air chamber 17A is located at the inner circumference of the body 1; the return gas to 18' is located at the inner circumference of the body i and adjacent to the second end 1B, When the storage nail piston rod 12 moves to the second end ib and does not start moving the first end 1A, the high pressure gas entering the return air chamber 18 is transmitted through the second annular valve 115, and the annular rib 18A is interposed Between the upper air chamber 17 and the middle air chamber 17A; a grip portion 2, the grip portion 2 defines a Y-axis direction, and is connected to the X-axis of the body 1 at a nearly vertical angle, and is A hollow cavity grip. A first end 21 of the 卩2 and the body 1 is in communication with the main air chamber 15, and the first end 21 of the grip 2 has a second end 22 having a high-pressure pipe joint that can be coupled to the ink pipe ( The hollow body is filled with a high ink gas; the trigger device 3 is located near the grip 2 and is located with the main axis 15 when the Y axis of the grip 2 is centered. The opposite side of the adjacent side, .12 201125693 When the trigger device 3 is pressed, the high pressure gas in the grip 2 can be passed through the trigger device 3, the air passage 151 to reach the upper air chamber 17; and a tubular body 1C, Mounted on the outside of the second end 1B of the body i, coaxial with the mobile cylinder 11, in the preferred embodiment, the tubular body 1C is a nail grabbing gun; wherein, when pressed and placed When the trigger device 3 is opened, the high pressure gas in the grip 2 passes through the trigger device 3, the air passage 151, the upper air chamber 17, the top cylinder chamber m, the second ring valve 115, the return air chamber 18, the air hole 116, the bottom cylinder chamber 112, After the venting opening 16 and the trigger device 3, the reciprocating movement of the movable cylinder 11 and the nailing piston rod 12 is completed. Please refer to the second to ninth drawings, which are the continuous action diagrams of the interaction relationship between the components of the pneumatic device when the trigger device of the preferred embodiment of the present invention is pressed; As shown in the figure, when the trigger device 3 is pressed, the end of the trigger device 3 moves toward the first end, and the high pressure gas in the grip 2 enters the air passage 151 via the trigger device 3, thereby being filled in the domain. t 17 (the path through which the gas passes, as shown by the dotted line in the third figure), when the pressure reaches m, the annular rib 18A is pressed by the upper chamber 17 due to the area ratio of the gas force. The gas is forced to move toward the second end (7), that is, the cylinder 11 starts from the body! The first end: A: move to 'the second end 1B to the body ;; as shown in the fourth figure, 'the system presents the open cylinder state, that is, there is a gap between the cylinder n and the first end W W' main air chamber The high pressure gas in the 15 then enters between the piston rod 12 and the buffer device 13 by the gap*, that is, the top steam red chamber (1), and then pushes

13 LSI 201125693 smashing the piston rod 12, making 墼 4 ding. Winter ♦ up - moving ~ fifth:: rod " by the -... second end r between "5... 当 钉 钉 nail piston rod 12 moving When passing the position of the second weir valve 115, the guest will press the fly body to enter the return air chamber 18 through irreversible, ... (4) - the ring valve 115 P is the gas path shown by the dotted line head of the fifth figure' At this time, the return air chamber 18 will gradually accumulate n and continue to move to the buffering device 4, a rigid nailing piston rod punching device 14, as shown in the sixth figure, at this time, the volume of the top cylinder chamber ill has developed to the maximum. The two-ring valve "5 enters the return air chamber f and can no longer pass the first milk to 18, and, as the whistle shows, when the trigger is set to 3, when the eight figure is set to 3, the board machine The end 322 of the device 3 is moved in the direction of the first end 1B, and the mouth of the internal components of the device 3 is placed in a position (described later in detail), so that the inside of the grip portion 2 cannot be combined with the upper air chamber 17 and the air passage. 151 is connected, but it is still in the open state, and in the seventh picture, 'the inside of the grip 2 is still on the instructor 17, 仞" up to 17, the ramp 151 is Connected, as shown by the dotted line in the figure, the threshold in the eighth figure can no longer be connected with the upper air to a 17 and the ramp 151' as shown by the dotted line in the figure; as shown in the ninth figure, Because of the high M gas on the grip 2, there is no high-pressure gas. Therefore, at this time: the gas pressure in the two has accumulated to a certain pressure, and the pressure is forced by the gas-force area ratio to force the annular rib. Moving toward the first end 1A, that is, the π cylinder 11 starts to move from the second end 1B of the main body!, and is to go to the first end 本体 ' of the main body 1 to present the closed cylinder state 'because of such movement' to cause the return air chamber 18 It is possible to communicate with the bottom vapor rainbow (1) via the air hole 116 to 14 [Si 201125693 The high pressure gas in the return gas chamber 18 enters the bottom cylinder chamber 112' via the air hole "6 and the residual gas in the upper gas chamber 17 passes through the air passage i5i' The other 3 (not shown in the figure) is discharged to the atmosphere, and the above two gas paths are shown by the dotted arrows in the figure; below, please cooperate with the first figure and the first figure a. Backflow and in the closed cylinder state, the top cylinder: the gas discharge map < Word description to understand, hit two

The piston rod 12 will quickly move from the second end (7) to the first to the first volume, and the internal gas of the top-level cylinder "U, which is gradually smaller in volume, is also released into the atmosphere through the exhaust hole 16 through the internal structure of the body crucible. That is, when the nailing piston rod 12 has not completed the return stroke and the closed cylinder state, the movable cylinder u is close to: the exhaust valve 1X and the exhaust hole ιγ at the end 1A, and adjacent to the first end and The exhaust holes μ, which are non-parallel in the axial direction, communicate with each other to form an exhaust passage 1' to facilitate gas removal, and thus the outward and return strokes are completed at this time. Please refer to the tenth figure, which is a trigger skirting diagram of the improved pneumatic device of the present invention, wherein the trigger device 3 comprises: a housing 3 1 is a hollow cavity body and has a plurality of air bearing washers 314 and at least two sides a hole 311, where the high-pressure gas is invaded from the casing, and includes a first end 312 and a second end 313, the first end 3丨2 and the second end 313 of the casing The first end of the direction and the body is corresponding to the second end 1 , and the first end 312 and the second end 313 of the housing 31 each have a first opening 3121 and a second opening 3ΐ3ι; 15 201125693 a trigger shaft The core 32' is axially received in the housing 31, and one end 322 is partially protruded and can enter the second opening 3131 of the housing 31, and has two air sealing washers 321; and a trigger valve head 33' is axially received in the housing 31 and is a hollow body' having a first opening 331, a second opening 332 and a return spring 334, and the trigger shaft is pivoted by the second opening 332 32 is accommodated therein and coaxial with each other, and one of the outer surfaces of the trigger valve head 33 has a plurality of ring valves 335, 332A, 333, trigger A portion of the valve head 33 protrudes and can enter the first opening 3121. of the housing 31. The first opening 331 is for the ingress and egress of high pressure gas. The return spring 334 is disposed on the trigger shaft 32 and protrudes from the shell. An opposite end 323 of the end of the first opening 3131 of the body 31 and abutting against the inner surface of the trigger valve head 33 to assist the resetting action of the trigger shaft 32 after retracting into the interior of the trigger valve body 33; Through the piston type movement between the housing 3, the trigger shaft 32 and the trigger valve head 332, the cylinder opening state generated in the body 1 and the subsequently derived closed cylinder state are completed to complete the mobile cylinder 11 Reciprocating movement with the nailing piston rod 12. As described above, the portion of the internal components of the trigger device 3 is referred to the eleventh to fifteenth drawings, which is an improved pneumatic device of the present invention. The continuous action diagram of the interaction between the components of the trigger device when the trigger shaft is pressed in the preferred embodiment. As shown in Figure 11 (all the relevant component numbers shown in the eleventh to fifteenth drawings, please Refer to the component number and component position shown in Figure 10 together. When the grip 2 (not shown) is connected to the high 1.6 201125693 compressed air tube, the high pressure gas fills the grip 2 and begins to fill the trigger device 3 via the first opening 33 1 , at which time the cylinder 11 (not shown) presents a closed red state, when the trigger shaft 32 is pressed and the air lock washer 321 is located in the second opening 3丨31, that is, the end 322 of the trigger shaft 32 is closed by the second opening of the housing 31. When the portion 3131 enters the housing 31, the high pressure gas enters the trigger valve head 33 from the first opening 331 of the trigger valve head 33 and enters through the gap between the trigger shaft 32 and the inner surface of the trigger valve head 33. The trigger valve head 33 abuts against the second end 313 in the cavity of the housing 31, indicated by the dashed arrow in the figure, so that the trigger valve head 33 is pushed to move from the second end 3 13 to the first end 312' and left Lower-space M, at this time, the ring valve 335 abuts against the first opening 3121, thus enclosing the entry of the high-pressure gas, as shown in the twelfth figure, when the trigger axis 32 is pressed and the air-stopping head 321 leaves the second When the opening 3131 is inside, the high-pressure gas in the space M may be blocked from the end 322 due to the absence of the air-stop gasket (2). The first _ Xingdi one opening 3 13 丨 between the inner surface of the gap to the atmosphere 'illustrated by the dotted arrow; such as the tenth: the map of the factory ^ ^ M ^ 4β brother eleven map does not, the trigger valve grip 2 The high-pressure gas pushes the first end 313 of the rolling shovel, and then the uncle of the uncle in the shell 31 is free from the sputum - no longer against the second end 313 of the door σ3, so Between the rings, the space between the rings 332Α' thus opening the high-pressure gas, the shovel 32 is discharged with the side hole 311 of the casing 3j, and the gas is sealed from the casing 31, and enters the Weng 1 ς In the middle of the dotted line arrow, and then into the upper air chamber, the item is not 'at this time, because the pressure 11 starts from the H ^ force face money (four), the steam narration end 1 Α move 'to go to the body 1 of the 17th 201125693 One end 1B, in order to present the cylinder opening state, the high pressure gas in the main air chamber 15 then enters between the nail piston rod 12 and the buffer device 3 by the gap W, and the nail piston rod 12 is firstly formed by the body 1 at this time. The end 1A moves toward the second end 1B of the body , and is positioned; as shown in FIG. 14 , when the trigger shaft 32 is released and the air lock washer 321 is fully positioned When the second opening 313 is inside, that is, when the end 322 of the trigger shaft 32 is out of the housing 31 by the second opening 3131 of the housing 31, the second opening 3131 is again closed by the air lock washer 321; As shown above, the high pressure gas is again entered into the trigger valve head 33 by the first opening 331 of the trigger valve head 33 and via the gap between the trigger shaft 32 and the inner surface of the inter-plate head 33. When the trigger valve head 33 comes into contact with the second end 313 of the housing 31, the trigger valve head 33 is pushed to move from the second end 313 to the first end 312, leaving a space Μ ' At this time, the ring valve 335 abuts against the first opening 3丨2丨, thereby closing the entry of the gripping gas 2, and the ring valve 332Α is disengaged from the housing, so that the air of the upper air chamber 17 is still passing through the air passage 151 and the shell. An opening (not shown) near the second end 313 of the body 31 exits into the atmosphere, and at this time, because the high pressure gas has previously entered the return air chamber from the second ring valve 115, the return gas is moved to the relocation. Increase 'plus the pressure of the original air chamber 17Α and force the annular rib 18Α from the second end 1 to the first end 1 Moving, while presenting a closed cylinder state, due to such movement, high pressure gas in the return air chamber 18 can enter the bottom cylinder chamber ' 2 ' from the air vent 116 to push the nail piston rod 12 from the second end 1 至 to the first end In other words, the gas in the top cylinder chamber 111 can be "into the atmosphere" through the exhaust port formed by the exhaust port iY of the mobile cylinder 11 18 201125693 and the exhaust valve 1X. The present invention does solve the problem of the reduced efficiency of the second conventional technique. Please refer to the fifth figure 'generalized moving cylinder" in the open state, 15 high grinding gas pushes the needle piston rod 12 from the first end 1A to the second end 1B, and the movable cylinder Π-end exhaust Since the exhaust passage is closed, the high pressure air is discharged from the exhaust hole ΐ6, so there is no problem of air leakage when pushing the piston rod 12, so there is no problem of air leakage from this path. . Therefore, in view of the above, the improved pneumatic device proposed by the present invention is a simple structure [improved pneumatic device with small size, no loss of efficiency, and a new gas path. Carefully designed, it not only re-sets the gas path, but also simplifies the structure, increases efficiency, and reduces production costs, and increases the scope of use due to shrinking volume. In summary, when the invention of this case has been industrially utilized, novel and progressive, it meets the requirements of the invention patent. However, the above description is only intended to be a preferred embodiment of the invention and is not intended to limit the scope of the invention. And the equivalent changes and repairs made by the scope of the patent in the present invention are covered by the scope of the invention. 19

Ui 201125693 [Simplified illustration of the drawings] First figure, second to ninth, ninth, tenth, tenth, eleventh to fifteenth, sixteenth, seventeenth, eighteenth, the present invention A front view of a preferred embodiment of an improved pneumatic device; an improved pneumatic device of the present invention; a continuous motion diagram of the interaction between components of the pneumatic device when the trigger device is depressed in the preferred embodiment; A diagram of the gas discharge of the top cylinder chamber when the piston has not completed the return stroke and in the closed cylinder state; a trigger device diagram of the improved pneumatic device of the present invention; an improved pneumatic device of the present invention A continuous action diagram of the interaction between the components of the trigger device when the axis of the trigger is lowered; a first front view of a first-stage dynamic cylinder type nail gun; A second front view of the nail gun; a fixed-cylinder nail gun pattern of the second conventional technique; 201125693 The nineteenth figure is a partial enlarged view of the fixed-cylinder nailing of the second conventional technology And twentieth It is a pressure and wave state diagram of a fixed-cylinder nail gun of the second conventional technique.

[Main component symbol description] 抢 Grab body 10, main air chamber 1Γ Grip 12, annular rib wall 13, upper escape hole 11' Trigger air passage 3, mobile cylinder 3Γ Top cylinder chamber 325 Lower cylinder chamber 4, Piston 4Γ Air cushion Ring 425 air lock washer 5, trigger 5 Γ trigger valve 8, head valve 8 Γ main air valve port 825 air stop ring 21 annular rib cushion body first end second end tubular body exhaust valve vent hole exhaust passage fixed Cylinder piston valve sleeve main air chamber top cylinder chamber exhaust gas seal exhaust port mobile cylinder top cylinder chamber bottom cylinder chamber second ring valve air hole piston 22 201125693

13 Buffer device 14 Buffer device 15 Main air chamber 151 Air passage 16 Vent hole 17 Upper air chamber 17A Middle air chamber 18 Return air chamber 18A Annular rib 18B Annular rib 2 Grip 21 First end 22 Second end 3 Trigger 31 Housing 311 Side 孑L 312 First end 3121 First opening 313 Second end 31.31 Second opening 314 Air bearing washer 32 Trigger shaft 23 Air bearing end end Trigger valve head First opening Second opening ring Valve ring valve Reset spring ring valve space clearance gap axial axial direction m 24 .

Claims (1)

201125693 VII. Patent application scope: An improved pneumatic device, comprising: a body, a hollow body, and defining an -X axial direction, and having a -th end and a second end, and enclosing the 弋a cylinder - a nail piston rod and at least one venting hole, the moving cylinder and the slamming nail piston rod are respectively movable in the body along the X axis, that is, moving from the _ end to the Two-end Going to the journey, and then moving back from the second end of Jiang Xu's old 5^ 回 back to the first end of the return journey, when the mobile cylinder element is going to the journey, the summer _ pa z. jk At opens the cylinder, when Yuancheng returns, it is closed. The cylinder state 'is characterized by: 'the cylinder has at least one venting hole and at least the outer rim of the moving cylinder - the exhaust valve, when the nailing piston rod has not completed the return stroke and the closed red material, the moving steam (four) is close to The exhaust chamber at the first end and the vent hole communicate with the vent hole adjacent to the end and non-parallel to the sense axis to form an exhaust passage to facilitate gas exclude. 2. The improved pneumatic device of claim 1, wherein the mobile cylinder is located in the body having an early first garment valve, at least two air holes and an annular rib; The τ piston is located in the mobile steam red, and is coaxial with the mobile cylinder. It can be reciprocally moved along the χ axis in the mobile steam rainbow to move the steam red inside/3⁄4 (3⁄4 Jie - You are the top cylinder chamber and the bottom cylinder chamber. The improved pneumatic device has a pair of buffering devices and a plurality of ventilation knots. 25 201125693 々 again, a return air chamber, a grip and a trigger device: the pair of buffer devices are respectively located near the first end of the body and near the second end of the body 1 to move the shock pin piston rod to the second end The impulse and the momentum of moving back to the first end; the plurality of ventilation structures further comprising: a main air chamber located at an inner circumference of the body and having an air passage · an upper air chamber is located at an inner circumference of the body, and Connected to the air passage; and - the middle air chamber is located at the inner circumference of the body, communicating; and the main air chamber The return air chamber is located at an inner circumference of the body and adjacent to the second end to enter through the second ring valve when the storage nail piston rod moves to the second end and does not start to move to the first end The high pressure gas of the return air chamber is between the upper air chamber and the middle air chamber; the grip portion defines a γ axial direction, a connection configuration close to a vertical angle, the air chamber and the grip The portion is in communication with the X-axis of the body and is a hollow cavity, and the trigger device is located near the grip portion to allow the high-pressure gas in the grip portion to pass through the pulsing chamber. 'When the trigger device is pressed, the machine device and the air passage reach the improved pneumatic device connected to the body as described in claim 2, wherein the end is connected to the main air chamber The grip portion 26 201125693 at the first end of the opposite end of the second end can be coupled with the high-pressure head of the high-pressure air tube to fill the body of the towel with high-pressure gas. " As in the improved pneumatic device of claim 2, the trigger device comprises: a housing, which is a hollow body and has a plurality of air retaining washers and at least two side holes, wherein the two side holes are where the high pressure gas enters and exits from the housing, and the first end and the second end are The first end and the second end correspond to the first end and the second end of the body, and the first end and the first end of the housing respectively have a first opening and a second opening; - a trigger axis, The shaft is axially received in the casing, and one end of the shank protrudes out and can enter the second opening of the casing, and has at least two air lock washers; and a trigger valve head is axially received Inside the housing and being a hollow cavity, having a first opening, a second opening and a return spring, and the trigger shaft is accommodated in the second opening and coaxial with each other, the trigger The outer surface of one of the valve heads has a plurality of ring valves, and a portion of the trigger valve head protrudes and can enter the first opening of the housing, the first opening is for the entry and exit of high pressure gas, and the return spring ring is disposed at The trigger shaft protrudes from an opposite end of the end of the second opening of the housing and abuts against the trigger valve head The surface is configured to assist the resetting action of the trigger shaft portion into the interior of the trigger valve body; wherein, the piston 27 201125693 is mechanically coupled via the housing, the trigger shaft and the trigger valve head to make the body The internally generated open state and the subsequently derived closed cylinder state 'to complete the reciprocating movement of the mobile cylinder and the nail piston rod. 5. The improved pneumatic device of claim 2, further comprising: a tubular body disposed externally of the second end of the body and coaxial with the mobile cylinder. Lu 6. The improved pneumatic device of claim 5, wherein the tubular system is a nail gun barrel. LSI 28 .