CN110091290B - Pneumatic tool with rotation speed and torque force adjusting effect - Google Patents
Pneumatic tool with rotation speed and torque force adjusting effect Download PDFInfo
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- CN110091290B CN110091290B CN201810091476.9A CN201810091476A CN110091290B CN 110091290 B CN110091290 B CN 110091290B CN 201810091476 A CN201810091476 A CN 201810091476A CN 110091290 B CN110091290 B CN 110091290B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
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Abstract
The invention discloses a pneumatic tool with the effect of adjusting the rotating speed and the torsion, which comprises a body, a pressing component and a torsion adjusting unit, wherein an air inlet channel and an air outlet channel arranged on the body are respectively connected with an air compressor and the torsion adjusting unit, when the pressing component is pressed, compressed air can flow in from the air inlet channel and flow out from the air outlet channel, the torsion adjusting unit can adjust the air displacement of the body through the relative movement of a piston and an air outlet part, so that the rotating speed and the torsion of the body can be adjusted under the same air inlet pressure, the defects that the existing pneumatic tool can only be controlled to be started and cannot change the rotating speed and the torsion of the pneumatic tool and the limitation on use are effectively solved, and the pneumatic tool with the effect of adjusting the rotating speed and the torsion is provided.
Description
Technical Field
The present invention relates to a pneumatic tool, and more particularly to a pneumatic tool with adjustable rotation speed and torque.
Background
As shown in fig. 18, the conventional pneumatic tool 90 includes a main body 91, a driving element 92, a pressing component 93 and a silencer 94, wherein the main body 91 includes a receiving cavity 911, a pressing cavity 912 communicated with the receiving cavity 911, an air inlet channel 913 communicated with the pressing cavity 912 and an air outlet channel 914 communicated with the pressing cavity 912 and spaced from the air inlet channel 913, the driving element 92 is correspondingly disposed in the receiving cavity 911, the pressing component 93 is correspondingly disposed in the pressing cavity 912, and the silencer 94 is connected to the bottom of the main body 91 and correspondingly communicated with the air outlet channel 914.
When the conventional pneumatic tool 90 is used, an air compressor is connected to the conventional pneumatic tool 90 through a pipeline, and compressed air is introduced into the air inlet channel 913 through the pipeline, so that the user can press the pressing component 93 to allow the compressed air to enter the accommodating cavity 911 to drive the driving element 92 to rotate relative to the body 91, so that the conventional pneumatic tool 90 operates, and the remaining air is exhausted from the body 91 through the exhaust channel 914 and the muffler 94, so that the pressure difference provided by the compressed air drives the conventional pneumatic tool 90, thereby providing the rotation speed and torque force required by the conventional pneumatic tool 90.
However, as can be seen from fig. 18, among the parts of the conventional pneumatic tool 90, the user can only control the passing or not of the compressed air by the pressing component 93, but cannot control the amount of the gas to be discharged by the structure of the body 91, the driving element 92 or the silencer 94, so that the conventional pneumatic tool 90 cannot adjust the rotation speed and the torque, which is difficult to meet the diversified requirements of the user and causes limitations in use, and in conclusion, the conventional pneumatic tool 90 has the needs to be improved.
Disclosure of Invention
In order to solve the defect that the existing pneumatic tool can only be controlled to be started or not and the rotating speed and the torque force of the pneumatic tool cannot be changed, the invention provides the silencing seat matched with the piston for use, and the silencing seat is combined with the pneumatic tool, so that the defects and the using limitation of the existing pneumatic tool are effectively solved, and the invention is further described as follows.
The invention discloses a pneumatic tool with the effect of adjusting rotating speed and torsion, which comprises a body, a pressing component and a torsion adjusting unit, wherein:
the body is provided with an accommodating cavity, an air inlet channel and an air outlet channel, wherein the air inlet channel and the air outlet channel are separated and are respectively communicated with the accommodating cavity;
the pressing component is combined with the body and arranged in the accommodating cavity, the pressing component is provided with a key, and the air inlet channel and the exhaust channel are respectively communicated with the pressing component by pressing the key; and
the torque force adjusting unit is combined with the body and communicated with the exhaust channel, and comprises a silencing seat, an adjusting screw, a piston and a bottom cover, wherein the silencing seat is provided with a containing groove and an exhaust part, the exhaust part is communicated with the containing groove, the exhaust part is provided with a threaded hole and at least one exhaust hole in a penetrating way, the threaded hole and the at least one exhaust hole are arranged at intervals and are respectively communicated with the containing groove, the adjusting screw extends into the threaded hole from one side far away from the body and penetrates through the threaded hole so as to be combined with the silencing seat, the piston is fixedly arranged on the adjusting screw and can be contained in the containing groove, the bottom cover is combined with the silencing seat, the bottom cover is provided with a through hole in a penetrating way, and the through hole is linearly opposite to the adjusting screw.
The above pneumatic tool with the effect of adjusting the rotation speed and the torque force, wherein the accommodating groove is arranged at the top end inside the silencing seat, the exhaust part is positioned at the bottom side of the accommodating groove, and the piston is positioned above the exhaust part.
The pneumatic tool with the rotating speed and torque force adjusting effect is characterized in that the torque force adjusting unit is provided with a propping piece, the accommodating groove is formed in the top end of the interior of the silencing seat, the exhaust part is located on the top side of the accommodating groove, the piston is located below the exhaust part, and the propping piece is fixedly arranged on the top end of the adjusting screw and located above the exhaust part.
The pneumatic tool with the rotating speed and torque force adjusting effect comprises a pressing assembly and a pressing assembly, wherein the pressing assembly comprises a valve core sleeve, a valve core, an air guide channel and an air guide piece, the valve core sleeve is arranged on the inner side of the accommodating cavity, the valve core is arranged on the inner side of the valve core sleeve, the air guide channel is formed in a gap between the valve core sleeve and the valve core, the air guide channel is communicated with the air inlet channel when the key is pressed, and the air guide piece is arranged in the air outlet channel and is communicated with the air guide channel.
Furthermore, the pneumatic tool with the rotating speed and torque force adjusting effect is characterized in that the center of the adjusting screw and the center of the piston are respectively provided with a through hole, and the two through holes are communicated and sleeved at the position of the air guide piece close to the bottom end.
Preferably, the pneumatic tool with rotation speed and torque force adjusting effect is provided, wherein the air inlet channel is connected with an external air compressor.
Preferably, the pneumatic tool with rotation speed and torque force adjusting effect is provided, wherein the adjusting screw is connected to an external fitting, and the external fitting may be a counter or a pressure gauge.
By the technical characteristics, the air displacement of the body is adjusted by changing the torque adjusting unit, so that the rotating speed and the torque of the body are adjusted, the defects that the rotating speed and the torque of the pneumatic tool cannot be changed due to the fact that the existing pneumatic tool can only be controlled to be started or not are effectively overcome, and the use limitation is overcome.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
FIG. 1 is a side view, partially in section, of a first preferred embodiment of the present invention.
Fig. 2 is an exploded perspective view of the torque adjustment unit according to the first preferred embodiment of the present invention.
FIG. 3A is a top view of a first aspect of the sound-damping mount according to the first preferred embodiment of the present invention.
FIG. 3B is a top view of a second aspect of the silencing seat according to the first preferred embodiment of the invention.
Fig. 3C is a top view of a third aspect of the sound-deadening seat according to the first preferred embodiment of the present invention.
FIG. 3D is a top view of a fourth aspect of the silencing seat according to the first preferred embodiment of the invention.
FIG. 3E is a top view of a fifth aspect of the silencing seat according to the first preferred embodiment of the invention.
Fig. 3F is a top view of a sixth aspect of the silencing seat according to the first preferred embodiment of the invention.
FIG. 4 is an operation diagram illustrating the increase of the R value from R1 to R2 according to the first preferred embodiment of the present invention.
FIG. 5 is a graph of the relationship between the R value of the first preferred embodiment of the present invention increased from R1 to R2.
FIG. 6 is an operation diagram illustrating the first preferred embodiment of the present invention, wherein the R value is decreased from R1 to R3.
FIG. 7 is a graph of the relationship between the R value of the first preferred embodiment of the present invention reduced from R1 to R3.
Fig. 8 is an exploded perspective view of a torque adjustment unit according to a second preferred embodiment of the present invention.
Fig. 9 and 10 are partial side sectional views of different R values according to a second preferred embodiment of the present invention.
Fig. 11 is a side view, partially in section, of a third preferred embodiment of the present invention.
Fig. 12 is an exploded perspective view of a torque adjustment unit according to a third preferred embodiment of the present invention.
Fig. 13 to 15 are partial side sectional views of different R values according to the third preferred embodiment of the present invention.
Fig. 16 is an exploded perspective view of a torque adjustment unit according to a fourth preferred embodiment of the present invention.
Fig. 17 is a partial side sectional view of a fourth preferred embodiment of the present invention.
Fig. 18 is a side view, partially in section, of a prior art pneumatic tool.
Detailed Description
The following detailed description of the embodiments of the present invention with reference to the drawings and specific examples is provided for further understanding the objects, aspects and effects of the present invention, but not for limiting the scope of the appended claims.
The present invention discloses a pneumatic tool with rotation speed and torque force adjusting effect, a first preferred embodiment of which is shown in fig. 1, and the pneumatic tool comprises a main body 10, a pressing component 20 and a torque force adjusting unit 30, wherein:
as shown in fig. 1, one side of the main body 10 facing to the left side of fig. 1 is defined as a front side, the main body 10 is connected to an air compressor (not shown), the main body 10 is internally provided with an accommodating cavity 11, an air inlet channel 12 and an air outlet channel 13, the accommodating cavity 11 is arranged at the middle section of the main body 10 and is communicated with an air motor (not shown) arranged in the upper section of the main body 10; the air inlet channel 12 is arranged at a position close to the rear side of the body 10, the bottom end of the air inlet channel 12 is communicated with the air compressor, and the top end of the air inlet channel 12 is communicated with the accommodating cavity 11; the exhaust channel 13 is disposed near the front side of the main body 10 and spaced from the intake channel 12, and the top end of the exhaust channel 13 is communicated with the accommodating cavity 11.
The pressing assembly 20 is combined with the body 10, and is accommodated in the accommodating cavity 11 and protrudes out of the front side of the body 10, the pressing assembly 20 includes a valve core sleeve 21, a valve core 22, a piston rod 23 and a key 24, wherein the valve core sleeve 21 is disposed in the accommodating cavity 11, and the valve core sleeve 21 has an opening facing the front side; the valve core 22 is arranged in the valve core sleeve 21; the piston rod 23 is movably inserted into the valve core 22 in a front and rear direction, the rear end of the piston rod 23 protrudes out of the rear side of the valve core sleeve 21, and the front end of the piston rod 23 protrudes out of the body 10; the push button 24 is combined with the front end of the piston rod 23 to push the piston rod 23 to move relative to the valve core 22, when the push button 24 is pressed by a user, the piston rod 23 moves to the rear side, so that compressed air can enter the valve core sleeve 21 from the air inlet channel 12, further drives the pneumatic motor upwards, and then enters the exhaust channel 13 through the position of the valve core sleeve 22 close to the front side.
Referring to fig. 1 and 2, the torque force adjusting unit 30 is combined with the body 10 and communicated with the bottom end of the exhaust channel 13, the torque force adjusting unit 30 includes a silencing seat 31, an adjusting screw 32, a piston 33 and a bottom cover 34, wherein the silencing seat 31 is combined with the bottom of the body 10 and communicated with the exhaust channel 13, a hollow mesh 301 and a silencing piece 302 are disposed in the silencing seat 31, the silencing seat 31 includes an accommodating groove 311, an exhaust portion 312 and a plurality of through holes 313, the accommodating groove 311 is formed on the inner side of the top of the silencing seat 31; as shown in fig. 1 and fig. 3A, the exhaust portion 312 is located at the bottom side of the accommodating groove 311, a threaded hole 314 is formed through the center of the exhaust portion 312, and two exhaust holes 315 are formed in the exhaust portion 312 at intervals through the exhaust portion 312 at the periphery of the threaded hole 314, wherein the two exhaust holes 315 are communicated with the upper side and the lower side of the exhaust portion 312; the through holes 313 penetrate through the sidewall of the muffler base 31, so that the gas in the exhaust channel 13 is exhausted after passing through the through holes 313.
Referring to fig. 3A to 3F, the exhaust portion 312 of the sound-deadening seat 31 has various forms, the exhaust portion 312 of each form is provided with a central threaded hole 314, and the exhaust hole 315 of fig. 3A may be a single exhaust hole 316 or a plurality of exhaust holes 317, 318, 319, 320 as shown in fig. 3B to 3F.
Referring to fig. 1 and 2, the adjusting screw 32 is combined with the silencing seat 31, inserted from the bottom of the exhaust portion 312 and movably combined with the threaded hole 314; the piston 33 is combined with the adjusting screw 32 and fixed at the top end of the adjusting screw 32, and the piston 33 can be accommodated in the accommodating groove 311 and abuts against the exhaust part 312; the bottom cover 34 is combined with the noise reduction seat 31 and closes the bottom of the noise reduction seat 31, and a through hole is formed through the center of the bottom cover 34, in the first preferred embodiment of the present invention, the through hole has an internal thread and a threaded hole, and is matched with a closing screw, the through hole is linearly opposite to the head of the adjusting screw 32, so that a user can extend an adjusting tool (not shown) into the torque adjusting unit 30 through the threaded hole, thereby rotating the adjusting screw 32 by using the adjusting tool.
Referring to fig. 4 to 7, the torque adjusting unit 30 defines an R value, the R value is defined as a gap between the piston 33 and the top end of the inner sidewall of the receiving groove 311, and a user can change the relative position between the piston 33 and the receiving groove 311 by the adjusting screw 32 and further change the R value, as shown in fig. 4 and 5, when the user rotates the adjusting screw 32 toward the main body 10, the piston 33 moves away from the muffler seat 31, at this time, the R value of the torque adjusting unit 30 is increased from R1 to R2, and under the condition that the air compressor provides the same air pressure, the air displacement of the main body 10 is increased, so that the pressure difference between the air inlet passage 12 and the air outlet passage 13 is increased, further, the compressed air flows more rapidly in the main body 10, and the air motor of the main body 10 is more easily pushed by the compressed air, thereby driving the rotation speed and torque of the body 10 to increase.
As shown in fig. 6 and 7, when the user unscrews the adjusting screw 32 away from the body 10, the piston 33 moves toward the direction close to the silencing seat 31, at this time, the R value of the torque adjusting unit 30 is reduced from R1 to R3, and under the condition that the air compressor provides the same air inlet pressure, the air displacement of the body 10 is reduced, so that the pressure difference between the air inlet channel 12 and the air outlet channel 13 is reduced, the flow of the compressed air in the body 10 is further slowed down, and the air motor of the body 10 is more difficult to be pushed by the compressed air, thereby reducing the rotation speed and the torque of the body 10.
Referring to fig. 8 to 9, the second preferred embodiment of the present invention is different from the first preferred embodiment in that: the torque force adjusting unit 40 includes an abutting member 46, the accommodating groove 411 of the silencing seat 41 is disposed at the top of the silencing seat 41, and the exhaust part 412 disposed on the silencing seat 41 is disposed at the top side of the accommodating groove 411; the adjusting screw 42 has a position-limiting portion 421; the piston 43 is combined with the adjusting screw 42 and abuts against the limiting portion 421, so as to move in the sound-deadening seat 41 relative to the accommodating groove 411; the abutting member 46 is fixed to the top end of the adjusting screw 42, moves along with the adjusting screw 42, and abuts against the exhaust part 412.
As shown in fig. 9 and 10, the difference between the second preferred embodiment of the present invention and the first preferred embodiment is that the relative positions of the piston 43 and the exhaust part 412 are different, when the user unscrews the adjusting screw 42 in a direction away from the body 10, the piston 43 moves in a direction away from the exhaust part 412, and the R value is increased, so that the exhaust amount of the body 10 is increased, and the rotation speed and the torque force are increased correspondingly; when the adjusting screw 42 is screwed in the direction approaching the main body 10, the piston 43 moves in the direction approaching the exhaust part 412, so that the R value decreases, the exhaust amount of the main body 10 decreases, the rotation speed decreases corresponding to the torque, and the relationship between the R value and the rotation speed and the torque is positively correlated, as in the first preferred embodiment.
Referring to fig. 11 and 12, the third preferred embodiment of the present invention is different from the first preferred embodiment in that: the pressing component 20 is provided with an air guide channel 25 and an air guide 26, the air guide channel 25 is a gap between the valve core sleeve 21 and the valve core 22, the air guide channel 25 is located at the bottom side close to the rear end of the valve core 22, the air guide 26 is arranged in the exhaust channel 13, the air guide 26 is communicated with the air guide channel 25, so that the air in the air guide channel 25 is completely introduced, and by shunting and introducing a part of the air entering the rear end of the valve core sleeve 21, the air guide channel 25 and the air guide 26 can provide an air pressure signal, and the air pressure signal can enable an external accessory to generate corresponding functions.
Further, the difference between the torque force adjusting unit 50 and the first preferred embodiment is: the adjusting screw 52 penetrates through the through hole of the bottom cover 54 and is inserted from the bottom of the exhaust part 512 to be movably combined with the silencing seat 51, and the adjusting screw 52 and the piston 53 are respectively provided with a through hole in the center thereof, and the two through holes are sleeved at the position of the air guide 26 near the bottom end, so as to transmit the air pressure signal, preferably, the torque force adjusting unit 50 comprises a closing screw 55, the closing screw 55 is combined with the bottom end of the adjusting screw 52 and closes the through hole of the adjusting screw 52, and when the closing screw 55 is not removed, the operation mode of the torque force adjusting unit 50 is the same as that of the first preferred embodiment.
When the user detaches the sealing screw 55 and connects the adjusting screw 52 with an external fitting (not shown), the external fitting can receive the air pressure signal transmitted by the air guide 26, the external fitting can be a counter, a pressure gauge or other equipment capable of operating by using the air pressure signal, so that the main body 10 can perform functions of counting or measuring pressure, for example, when the user presses the key 24 once, the air guide 26 transmits the air pressure signal to the counter once and counts the number of times of pressing once, as shown in fig. 13 to 15, the R value of the torque adjusting unit 50 is changed by the operation method of the first preferred embodiment, so as to relatively change the strength of the air pressure signal, so that the external fitting can measure the pressure value, and adjust the rotating speed and the torque.
Referring to fig. 16 and 17, the fourth preferred embodiment of the present invention is different from the third preferred embodiment in that: the piston 63 and the exhaust part 612 have different relative positions, and a propping member 66 is fixedly disposed at the top end of the adjusting screw 62, so as to provide a limiting effect by propping the propping member 66 against the exhaust part 612, as shown in fig. 17, the adjusting screw 62 can be connected to an external fitting (not shown), and the R value of the torque adjusting unit 60 is changed by the operation manner as the second preferred embodiment, i.e. the strength of the air pressure signal is changed relatively, so that the external fitting measures the pressure value, thereby adjusting the rotation speed and the torque.
By means of the above technical features, the present invention adjusts the displacement of the body 10 by changing the torque adjusting units 30, 40, 50, 60, so as to adjust the rotation speed and torque of the body 10, thereby effectively solving the disadvantages and limitations of the prior pneumatic tool that the rotation speed and torque of the pneumatic tool can not be changed because the pneumatic tool can only be controlled to be started or not, and further providing a pneumatic signal by arranging the air guide channel 25 and the air guide 26, so that the user can simply connect the external fitting to measure the pressure, so as to adjust the R value to change the rotation speed and torque, thereby providing a pneumatic tool with the effect of adjusting the rotation speed and torque.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A pneumatic tool with rotation speed and torque force adjusting effects is characterized by comprising:
the air inlet channel is separated from the exhaust channel and is respectively communicated with the accommodating cavity;
a pressing component which is combined with the body and arranged in the containing cavity, wherein the pressing component is provided with a key, and the air inlet channel and the air outlet channel are respectively communicated with the pressing component by pressing the key; and
a torsion adjusting unit, which is combined with the body and communicated with the exhaust channel, and comprises a silencing seat, an adjusting screw, a piston and a bottom cover, wherein the silencing seat is provided with a containing groove and an exhaust part, the exhaust part is communicated with the containing groove, the exhaust part is provided with a threaded hole and at least one exhaust hole in a penetrating way, the threaded hole and the at least one exhaust hole are arranged at intervals and are respectively communicated with the containing groove, the adjusting screw extends into and penetrates through the threaded hole from one side far away from the body so as to be combined with the silencing seat, the piston is fixedly arranged on the adjusting screw and can be contained in the containing groove, the bottom cover is combined with the silencing seat, the bottom cover is provided with a through hole in a penetrating way, and the through hole is linearly opposite to the adjusting screw.
2. The pneumatic tool with adjustable rotational speed and torque as claimed in claim 1, wherein the receiving groove is disposed at a top end of the interior of the noise-reduction seat, the exhaust portion is disposed at a bottom side of the receiving groove, and the piston is disposed above the exhaust portion.
3. The pneumatic tool with rotational speed and torque force adjusting function as claimed in claim 1, wherein the torque force adjusting unit has a propping member, the receiving groove is disposed at the top end of the interior of the noise damping seat, the exhausting portion is disposed at the top side of the receiving groove, the piston is disposed below the exhausting portion, and the propping member is fixedly disposed at the top end of the adjusting screw and disposed above the exhausting portion.
4. The pneumatic tool with rotation speed and torque force adjusting function according to claim 1, wherein the pressing member includes a valve core sleeve, a valve core, an air guiding channel and an air guiding member, the valve core sleeve is disposed inside the accommodating chamber, the valve core is disposed inside the valve core sleeve, the air guiding channel is formed in a gap between the valve core sleeve and the valve core, and when the key is pressed, the air guiding channel is communicated with the air inlet channel, and the air guiding member is disposed inside the air outlet channel and is communicated with the air guiding channel.
5. The pneumatic tool with adjustable rotational speed and torque as claimed in claim 4, wherein the receiving groove is disposed at the top end of the interior of the noise-reduction seat, the exhaust portion is disposed at the bottom side of the receiving groove, and the piston is disposed above the exhaust portion.
6. The pneumatic tool with rotation speed and torque force adjusting function as claimed in claim 5, wherein the adjusting screw and the piston are respectively provided with a through hole at the center thereof, and the two through holes are connected with each other and sleeved on the air guide member near the bottom end thereof.
7. The pneumatic tool with rotational speed and torque force adjusting function as claimed in claim 4, wherein the torque force adjusting unit has a propping member, the receiving groove is disposed at the top end of the interior of the noise damping seat, the exhausting portion is disposed at the top side of the receiving groove, the piston is disposed below the exhausting portion, and the propping member is fixedly disposed at the top end of the adjusting screw and disposed above the exhausting portion.
8. The pneumatic tool with rotation speed and torque force adjusting function as claimed in claim 7, wherein the adjusting screw and the piston are respectively provided with a through hole at the center thereof, and the two through holes are connected to each other and sleeved on the air guide member near the bottom end thereof.
9. The pneumatic tool with the function of adjusting the rotating speed and the torque force as claimed in any one of claims 2, 3, 6 and 8, wherein the air inlet channel is connected with an external air compressor.
10. The pneumatic tool with rotation and torque adjusting functions as claimed in claim 6 or 8, wherein the adjusting screw is connected to an external fitting, such as a counter or a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091476.9A CN110091290B (en) | 2018-01-30 | 2018-01-30 | Pneumatic tool with rotation speed and torque force adjusting effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091476.9A CN110091290B (en) | 2018-01-30 | 2018-01-30 | Pneumatic tool with rotation speed and torque force adjusting effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110091290A CN110091290A (en) | 2019-08-06 |
| CN110091290B true CN110091290B (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810091476.9A Active CN110091290B (en) | 2018-01-30 | 2018-01-30 | Pneumatic tool with rotation speed and torque force adjusting effect |
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| CN (1) | CN110091290B (en) |
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|---|---|---|---|---|
| GB2106024A (en) * | 1981-09-17 | 1983-04-07 | Maire Charles Ets | Control for pneumatic tool eg a screwdriver |
| EP0802023A1 (en) * | 1996-04-16 | 1997-10-22 | Atlas Copco Tools Ab | Pneumatic power wrench |
| EP0900632A2 (en) * | 1997-09-03 | 1999-03-10 | Atlas Copco Tools Ab | Pneumatic power wrench with adjustable exhaust restriction |
| JP2006281365A (en) * | 2005-03-31 | 2006-10-19 | Max Co Ltd | Variable throttle mechanism of pneumatic tool |
| EP2036679A2 (en) * | 2007-09-11 | 2009-03-18 | Uryu Seisaku Ltd. | Impact torque adjusting device of hydraulic torque wrench |
| CN102026778A (en) * | 2008-05-14 | 2011-04-20 | 阿特拉斯科普科工具公司 | Pneumatic impulse wrench with operation control means |
| CN201848840U (en) * | 2010-10-15 | 2011-06-01 | 宏斌气动工业股份有限公司 | Air exhaust structure of pneumatic tool |
| CN102348537A (en) * | 2009-03-25 | 2012-02-08 | 阿特拉斯·科普柯工具公司 | Pneumatic power wrench with a exhaust air outlet unit |
| WO2016177581A1 (en) * | 2015-05-05 | 2016-11-10 | Atlas Copco Industrial Technique Ab | Pneumatic power tool with an adjustable air flow limiting valve |
| CN106794572A (en) * | 2014-10-09 | 2017-05-31 | 阿特拉斯·科普柯工业技术公司 | The dynamic control device of air pulsing spanner |
-
2018
- 2018-01-30 CN CN201810091476.9A patent/CN110091290B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2106024A (en) * | 1981-09-17 | 1983-04-07 | Maire Charles Ets | Control for pneumatic tool eg a screwdriver |
| EP0802023A1 (en) * | 1996-04-16 | 1997-10-22 | Atlas Copco Tools Ab | Pneumatic power wrench |
| EP0900632A2 (en) * | 1997-09-03 | 1999-03-10 | Atlas Copco Tools Ab | Pneumatic power wrench with adjustable exhaust restriction |
| JP2006281365A (en) * | 2005-03-31 | 2006-10-19 | Max Co Ltd | Variable throttle mechanism of pneumatic tool |
| EP2036679A2 (en) * | 2007-09-11 | 2009-03-18 | Uryu Seisaku Ltd. | Impact torque adjusting device of hydraulic torque wrench |
| CN102026778A (en) * | 2008-05-14 | 2011-04-20 | 阿特拉斯科普科工具公司 | Pneumatic impulse wrench with operation control means |
| CN102348537A (en) * | 2009-03-25 | 2012-02-08 | 阿特拉斯·科普柯工具公司 | Pneumatic power wrench with a exhaust air outlet unit |
| CN201848840U (en) * | 2010-10-15 | 2011-06-01 | 宏斌气动工业股份有限公司 | Air exhaust structure of pneumatic tool |
| CN106794572A (en) * | 2014-10-09 | 2017-05-31 | 阿特拉斯·科普柯工业技术公司 | The dynamic control device of air pulsing spanner |
| WO2016177581A1 (en) * | 2015-05-05 | 2016-11-10 | Atlas Copco Industrial Technique Ab | Pneumatic power tool with an adjustable air flow limiting valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110091290A (en) | 2019-08-06 |
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