CN1301372C - Worm wheel motor of pneumatic tool - Google Patents
Worm wheel motor of pneumatic tool Download PDFInfo
- Publication number
- CN1301372C CN1301372C CNB2004100393149A CN200410039314A CN1301372C CN 1301372 C CN1301372 C CN 1301372C CN B2004100393149 A CNB2004100393149 A CN B2004100393149A CN 200410039314 A CN200410039314 A CN 200410039314A CN 1301372 C CN1301372 C CN 1301372C
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- air
- turbine
- frame
- turbine rotor
- motor
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Abstract
The present invention relates to a turbine motor of a pneumatic tool, which is composed of an outer shell, a turbine rotor and a rotary shaft. High pressure air can be led from the air inlet of the outer shell through the combination of the components so that the flow direction of the air following the shaft cambered surface of the turbine rotor is converted into an axial flow direction, and thus, the air impacts blades of a radial turbine rotor at high speed to drive the rotary shaft to rotate, and air pressure is converted into the kinetic energy of the rotating shaft so as to output dynamic force. Because the unit acting time on the blades of the high pressure air is long, and the strength of inertia moment is high, the generated dynamic force and rotary speed are correspondingly high so that the present invention is particularly suitable for meeting the requirements of power performance with high rotary speed and high loads.
Description
Technical field
The present invention relates to a kind of turbine motor, refer in particular to a kind of with the air tool air turbine motor of turbine rotor as transformation of energy and transmission of power mechanism, its pressure with high-pressure air can be imported, be converted to the output of rotating shaft kinetic energy through a turbine rotor, reach air tool high-output power, high-energy conversion efficiency and requirement simple in structure and compact (compact design).
Background technique
The air motor that high-pressure air pressure can be converted to rotating shaft power is widely used in pneumatic tool at present, for example application of air spanner etc.
The air motor structure of known air spanner, the air tool power that is illustrated in figure 6 as No. the 482075th, Taiwan patent announcement is adjusted structure improvement, it is mainly a pneumatic tool body a and and adjusts button b, and wherein this pneumatic tool body a comprises: a tool outer casing body c, an Intaker controller d, a pneumatic actuating device e and a motor cylinder body f; In tool body a, form a containing space g, and be provided be communicated with containing space g into and out of airduct; This containing space g is in order to set firmly motor cylinder body f, and form the pneumatic actuating device e that pneumatic thrust promotes in this motor cylinder body f by external pneumatic power by a containing space g and rotate, and the rotation head h that utilizes pneumatic actuating device e to be set firmly exercises air tool rotation processing; This motor cylinder body f comprises again: one one-body molded wears empty movable valve i, and this motor cylinder body f is located in the containing space g of tool outer casing body a; And this movable valve i is provided with suitable, reverse opening groove, and movable valve i bottom side is provided with an inlet hole j.Like this structure and adjust button b by and penetrate in the movable valve i, and simultaneously because adjust the control of button b, can adjust by suction tude and enter pneumatic medium in the movable valve i, make it controlled and enter different suitable, reverse opening grooves, reach by promoting to adjust the button different corresponding position of b conversion and reaching the air tool function of conversion along de-rotation.
Be illustrated in figure 7 as the sectional view of the known air spanner of US 2003/0121680 A1, frame of broken lines is enclosed partly air motor structure and is also seen in No. the 482075th, the aforementioned Taiwan patent announcement among this figure, both are the air motor with pattern, show to know that the air motor of this kind pattern is applied on the pneumatic tool widely.
By above-mentioned known air tool air motor can find its rotor or pneumatic actuating device about just, reverse to control, all reach to change the gas flow direction, it is very complicated in order to the mechanism design that changes the gas flow direction, and the driving mode of its rotor with high-pressure air with vertically to input and the impact rotor blade band axle of walking around, locking into rotor blade angle design and material structure limits the atmospheric pressure tolerances, therefore related output power and the aerodynamic characteristics of influencing be unsuitable for the application of high load and high speed rotating.
Because the defective of known design, the inventor considers from the conservation of angular momentum and gas dynamics, discovery utilizes the characteristic of radial turbine rotor can obtain bigger power output and preferable aerodynamic efficiency than habitual air motor, and can simplify air flow channel.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of air tool turbine motor is provided, it mainly designs a turbine motor with the radial turbine rotor, be aided with the setting of turbine stator, reach air tool high-output power, high-energy conversion efficiency and requirement simple in structure and compact (compact design).
Technical solution of the present invention is: a kind of air tool turbine motor comprises: a frame, in establish a containing space and inlet and outlet mouth; And a radial turbine rotor, be located in the containing space of this frame, can be subjected to turn from the high-pressure air of suction port; And a rotating shaft, being arranged in this radial turbine rotor center, the one end is fixedly arranged on the frame rear portion, and the other end then protrudes out the frame front portion as output terminal.
Aforesaid air tool turbine motor, establish a turbine stator between described radial turbine rotor outer shroud and the frame inwall, described turbine stator has plural blade, described turbine stator is radially involutory in the suction port position of frame, the turbine stator periphery also can be provided with an air guide scrollwork, the containing space of frame is at the airflow direction of radial turbine rotor, if an outer cover and air outlet flue, in conjunction with plural bearing, this rotating shaft and turbine rotor are maked somebody a mere figurehead in the outer cover of turbine rotor in the rotating shaft.The plural Blade Design of turbine stator becomes can change the mechanism of directivity, connects blade as the plural blade of turbine stator with joint point, and blade can this joint point work be swung and turned to.
Described air tool turbine motor also comprises: a rear shell cover, and itself and described radial turbine rotor and blade profile profile thereof are tangent, are installed on the frame rear portion, in above-mentioned radial turbine rotor, rotating shaft are closed in; An and air channel switch bar, be located at the suction port position of frame, can utilize axle moving or dial the commentaries on classics mode and control and come from suction port the high-pressure air of radial turbine rotor blade is blowed to, reach its just, reverse to, also an air channel switch can be set at the suction port of frame, the may command air enters or closed condition.
In sum, the function of the present invention and known configurations, means and difference on effect are as follows:
1. the present invention is introduced high-pressure air by the suction port of frame, and changing into the blade of axial flow direction with the high speed impact turbine rotor along the axis body cambered surface of turbine rotor, its high-pressure air is longer with the unit action time and the moment of inertia strength of axial flow direction impulse turbine rotor blade.The high-pressure air of known air motor is vertical to impact with rotor blade, and high-pressure air is shorter to the unit action time and the moment of inertia strength of its blade, and relatively power that is produced and rotating speed all far very are lower than the present invention.
2. the present invention reaches with the variable-angle blade of turbine stator and changes the high-pressure air airflow direction, so with the control turbine rotor just, reverse to, reach the purpose that simplifies the internal structure of an organization.Known configurations then must see through a series of complex mechanism can change its airflow direction.
3. high-pressure air of the present invention can see through turbine stator, air guide scrollwork and reach the drainage high-pressure air and can impact all blades on the radial turbine rotor simultaneously, so can significantly increase shaft work output.The high-pressure air of known configurations only clashes into a slice blade of its air turbine in the unit time, its shaft work output is certainly less than the present invention.
4. because aerodynamic quality is good, shaft work output promotes, so the characteristic of high rotating speed, high load can be arranged.
Description of drawings
Fig. 1 is the sectional view of air tool turbine motor of the present invention.
Fig. 2 is the enforcement illustration of the use turbine stator of air tool turbine motor of the present invention.
Fig. 3 is the turbine stator sectional structure enlarged view of air tool turbine motor of the present invention.
Fig. 4 is the enforcement illustration in use air guide scrollwork, turbine outer cover and the turbine exhaust road of air tool turbine motor of the present invention.
Fig. 5 A, 5B are another embodiment of the present invention figure.
Fig. 6 adjusts structure improved sectional view for known air tool power.
Fig. 7 is the sectional view of the air motor structure of known air spanner.
The drawing reference numeral explanation:
Known part
A, rotating shaft chamber B, rotating shaft C, blade D, air stream guidance tape
A, pneumatic tool body b, adjustment button c, tool outer casing body d, Intaker controller
E, air inlet drive unit f, motor cylinder body g, containing space h, rotation head
I, movable valve j, inlet hole
Part of the present invention
10, frame 11, containing space 12, suction port 13, relief opening
20, turbine rotor 21, blade 30, rotating shaft 40, turbine stator
41, stator vane 42, joint point 50, bearing 60, outer cover
70, air guide scrollwork 80, rear shell cover 90, air channel switch 91, air channel switch bar
Embodiment
In order further to understand the technology used in the present invention means, assembly and effect thereof, be described in detail as follows in conjunction with a specific embodiment and conjunction with figs. now.
As shown in Figure 1, air tool turbine motor of the present invention comprises: a frame 10 is one to have the hollow article that runs through axis hole, and its inside is provided with a containing space 11 and high-pressure air suction port 12 and relief opening 13; And a radial turbine rotor 20, to be located in the containing space 11 in this frame 10, its axis body is provided with plural blade 21, can be subjected to turn from the high-pressure air of the suction port 12 of frame 10; And a rotating shaft 30, being arranged in this turbine rotor 20 centers, the one end is fixed in frame 10 rear portions, and the other end then stretches out frame 10 front portions as clutch end.
Working principle of the present invention is: high-pressure air is introduced by the suction port 12 of frame 10, its air flow is then along the axis body cambered surface of turbine rotor 20 and change into axial flow direction and drive rotating shaft 30 with the blade 21 of high speed impact turbine rotor 20, air pressure is converted to rotating shaft 30 kinetic energy and then outputting power, because of its high-pressure air all long and big with unit action time of axial flow direction impulse turbine rotor 20 blades 21 and moment of inertia strength far beyond the rotor blade of known air motor, therefore it produced power and rotating speed are also higher, are specially adapted to high rotating speed, the power performance requirement of high load.
As shown in Figure 2, for strengthening the driving force of its high-pressure air to turbine rotor 20, can establish a turbine stator 40 between these turbine rotor 20 outer shrouds and frame 10 inwalls, this turbine stator 40 is provided with plural blade ring and encloses blade 21 outer rims in turbine rotor 20, and its blade is set to radially involutory suction port 12 positions in frame 10.When high-pressure air after the suction port 12 of frame 10 is introduced, promptly see through the guiding of turbine stator 40 blades, its air pressure is impacted the blade 21 of radial turbine rotor 20 fifty-fifty, reach aerodynamic lifting.
As shown in Figure 3, for further control turbine rotor 20 just, reverse to, the stator vane 41 of this turbine stator 40 is designed to change the mechanism of directivity, it is established with joint point 42 connection stator vanes 41 according to its blade 41 numbers on the ring body of turbine stator 40, stator vane 41 can be done to swing and turn in this joint point 42, and then to reach blade 21 impact directions of control high-pressure air to turbine rotor 20, just reach, reverse to purpose, with the method, can greatly simplify the complex mechanism of known air tool change air flow channel direction.
As shown in Figure 4, in order further to strengthen the driving force of high-pressure air again to turbine rotor 20, can establish an air guide scrollwork 70 in turbine stator 40 peripheries again, further to control the flow direction of high-pressure air, reduce turbulent flow, and more can be directed to the airflow direction of turbine rotor 20, establish an outer cover 60 and turbine exhaust road 61 and the aerodynamic force loss of its process can be reduced to minimum level in the containing space in the frame 10 11.
In addition, rotating shaft 30 can make somebody a mere figurehead in turbine rotor 20 and outer cover 60 this rotating shaft 30 and turbine rotor 20 in conjunction with plural bearing 50, produces contact friction force to avoid rotating shaft 30 and outer cover 60, and causes the loss of power transmission.
As Fig. 5 A, shown in the 5B, be another embodiment of the present invention, it mainly replaces outer cover original in the foregoing description 60 more to suit in the rear shell cover 80 of turbine rotor 20 blades 21 profile profiles, and the setting of omitting turbine stator 40 and stator vane 41 thereof, and setting up an air channel switch 90 may command air enters or closed condition, and set up an air channel switch bar 91, in order to control turbine rotor 20 just, reverse to, this air channel switch bar 91 can utilize axle moving or dial the commentaries on classics mode and control and change the high-pressure air that comes from 12 pairs of turbine rotor 20 blades 21 of high-pressure air suction port and blow to, and is just reaching it, the purpose that reverses.
Though the present invention discloses with specific embodiment; but it is not in order to limit the present invention; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present invention and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that scope of patent protection of the present invention is done.
Claims (9)
1. an air tool turbine motor is characterized in that, described air tool turbine motor comprises:
One frame, in establish a containing space and inlet and outlet mouth; And
One radial turbine rotor is located in the containing space of this frame, can be subjected to turn from the high-pressure air of suction port; And
One rotating shaft is arranged in this radial turbine rotor center, and the one end is fixedly arranged on the frame rear portion, and the other end then protrudes out the frame front portion as output terminal;
Establish a turbine stator between described radial turbine rotor outer shroud and the frame inwall;
Described turbine stator has plural blade.
2. air tool turbine motor as claimed in claim 1 is characterized in that: described turbine stator is radially involutory in the suction port position of frame.
3. air tool turbine motor as claimed in claim 1 is characterized in that: described turbine stator periphery is provided with an air guide scrollwork.
4. air tool turbine motor as claimed in claim 1 is characterized in that: the containing space of described frame is established an outer cover and air outlet flue at the airflow direction of radial turbine rotor.
5. air tool turbine motor as claimed in claim 4 is characterized in that: in conjunction with plural bearing, this rotating shaft and radial turbine rotor are maked somebody a mere figurehead in the outer cover of radial turbine rotor in the described rotating shaft.
6. air tool turbine motor as claimed in claim 1 is characterized in that: the plural Blade Design of turbine stator becomes can change the mechanism of directivity.
7. as claim 1 or 6 described air tool turbine motors, it is characterized in that: the plural blade of turbine stator connects blade with joint point, and blade can be done to swing and turn to by this joint point.
8. air tool turbine motor as claimed in claim 1 is characterized in that, described air tool turbine motor also comprises:
One rear shell cover, itself and described radial turbine rotor and blade profile profile thereof are tangent, are installed on the frame rear portion, in above-mentioned radial turbine rotor, rotating shaft are closed in; And
One air channel switch bar is located at the suction port position of frame, can utilize axle moving or dial the commentaries on classics mode and control and come from suction port the high-pressure air of radial turbine rotor blade is blowed to, reach its just, reverse to.
9. air tool turbine motor as claimed in claim 8 is characterized in that: the suction port at frame is provided with an air channel switch, and the may command air enters or closed condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100393149A CN1301372C (en) | 2004-01-19 | 2004-01-19 | Worm wheel motor of pneumatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100393149A CN1301372C (en) | 2004-01-19 | 2004-01-19 | Worm wheel motor of pneumatic tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1648466A CN1648466A (en) | 2005-08-03 |
| CN1301372C true CN1301372C (en) | 2007-02-21 |
Family
ID=34868585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100393149A Expired - Fee Related CN1301372C (en) | 2004-01-19 | 2004-01-19 | Worm wheel motor of pneumatic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1301372C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11685036B2 (en) | 2020-07-27 | 2023-06-27 | Techtronic Cordless Gp | Motor mounting assembly for a power tool |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006005899U1 (en) * | 2006-04-05 | 2007-08-09 | Schmid & Wezel Gmbh & Co. | Air motor for rotary-driven tools |
| CN101372894B (en) * | 2007-08-21 | 2010-05-26 | 清华大学深圳研究生院 | Turbine pneumatic motor |
| CN102678184B (en) * | 2012-05-04 | 2014-10-15 | 上海励辰机械制造有限公司 | Miniature strong double-turbine gas turbine |
| CN109048053B (en) * | 2018-08-31 | 2020-09-04 | 南京集萃激光智能制造有限公司 | High-power optical fiber laser pneumatic scanning system |
| CN111532591A (en) * | 2020-04-29 | 2020-08-14 | 丁亚宁 | Disinfection spray bottle for respiratory medicine and using method thereof |
| CN113653687B (en) * | 2021-07-14 | 2023-09-22 | 天津科技大学 | Energy conversion module and rotary hydraulic converter thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880245A (en) * | 1973-11-21 | 1975-04-29 | Chicago Pneumatic Tool Co | Exhaust noise attenuating system with muffler for pneumatic tools |
| CN85104766A (en) * | 1985-06-17 | 1986-12-17 | 广东工学院 | Blade gas motor with positive and negative transform exhaust angular mechanism |
| US5007778A (en) * | 1988-10-07 | 1991-04-16 | Hillestad Tollief O | Portable power tool for milling tube ends |
| CN2470069Y (en) * | 2001-02-08 | 2002-01-09 | 郑明崑 | Structure-improved pneumatic-tool power-regulating device |
| CN1396855A (en) * | 2000-01-27 | 2003-02-12 | S.P.空气株式会社 | Pneumatic rotary tool |
-
2004
- 2004-01-19 CN CNB2004100393149A patent/CN1301372C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880245A (en) * | 1973-11-21 | 1975-04-29 | Chicago Pneumatic Tool Co | Exhaust noise attenuating system with muffler for pneumatic tools |
| CN85104766A (en) * | 1985-06-17 | 1986-12-17 | 广东工学院 | Blade gas motor with positive and negative transform exhaust angular mechanism |
| US5007778A (en) * | 1988-10-07 | 1991-04-16 | Hillestad Tollief O | Portable power tool for milling tube ends |
| CN1396855A (en) * | 2000-01-27 | 2003-02-12 | S.P.空气株式会社 | Pneumatic rotary tool |
| CN2470069Y (en) * | 2001-02-08 | 2002-01-09 | 郑明崑 | Structure-improved pneumatic-tool power-regulating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11685036B2 (en) | 2020-07-27 | 2023-06-27 | Techtronic Cordless Gp | Motor mounting assembly for a power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1648466A (en) | 2005-08-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070221 Termination date: 20180119 |