CN109944775B - Signal generating device for pneumatic tool - Google Patents
Signal generating device for pneumatic tool Download PDFInfo
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- CN109944775B CN109944775B CN201711382801.9A CN201711382801A CN109944775B CN 109944775 B CN109944775 B CN 109944775B CN 201711382801 A CN201711382801 A CN 201711382801A CN 109944775 B CN109944775 B CN 109944775B
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- valve core
- pneumatic tool
- signal
- valve
- air guide
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Abstract
The invention relates to a signal generating device for a pneumatic tool, which is arranged in a pressing cavity of the pneumatic tool and communicated with a key, and comprises a valve core sleeve, a valve core, a piston pin and an air guide component, wherein the valve core sleeve is arranged on the inner side of the pressing cavity; the valve core sleeve is arranged in the pressing cavity of the pneumatic tool, the valve core can be rotatably arranged on the inner side of the valve core sleeve, the piston pin penetrates through the valve core and is connected with the valve core sleeve at one end, the other end is connected with a key of the pneumatic tool, and the air guide component can be rotatably combined with the valve core; the invention can push the piston pin through the key of the pneumatic tool, so that part of the inlet air of the pneumatic tool can be introduced into the valve core and enter the air guide assembly, the air guide assembly generates a pressure signal, and the counter or the pressure gauge is matched for metering or counting.
Description
Technical Field
The invention relates to a pneumatic tool, in particular to a signal generating device for the pneumatic tool.
Background
As shown in fig. 6, a conventional pneumatic tool 70 includes a machine body 71, a driving element 72, a pressing component 73 and a silencer 74, where the machine body 71 includes an accommodating chamber 711, a pressing chamber 712 adjacent to the accommodating chamber 711 and extending horizontally, an air inlet channel 713 and an air outlet channel 714 respectively connected to the pressing chamber 712, the driving element 72 is correspondingly disposed in the accommodating chamber 711, the pressing component 73 is correspondingly disposed in the pressing chamber 712, and the silencer 74 is connected to the bottom of the machine body 71 and correspondingly communicates with the air outlet channel 714.
In the use state of the pneumatic tool 70, the body 71 is connected to an air compressor (not shown), and the compressed air is introduced through the air inlet channel 713, so that the compressed air is controlled by the pressing component 73, and further the driving element 72 can be driven to rotate to drive the pneumatic tool 70 to operate, and the residual air in the air inlet process is exhausted from the driving element 72 through the exhaust channel 714, so as to complete the whole operation cycle.
The main driving medium of the conventional pneumatic tool 70 drives various internal components to operate through compressed air, so that the design is greatly limited, and in addition, the compressed air is easy to cause unstable airflow or air pressure due to pipelines or equipment during transmission, and the accuracy of detection is also easily affected, so that the conventional pneumatic tool 70 has great difficulty in increasing the function of detecting or detecting the signal transmission such as pressing times or pressure.
In addition, the conventional pneumatic tool 70 is not easy to monitor or detect the pressing frequency, the air pressure or the air pressure signal by directly using the electronic component, and if the electronic component is required, the electronic component needs to be additionally wired or mounted, which may cause the design complexity and difficulty or increase the volume of the pneumatic tool to be unfavorable for operation.
Disclosure of Invention
In order to solve the difficulty of adding a signal detecting or detecting function to the existing pneumatic tool, the main object of the present invention is to provide a signal generating device for a pneumatic tool, which further combines an air guide component in a pressing cavity of the pneumatic tool, and generates a pressure signal by shunting the compressed air of the pneumatic tool to the air guide component, so as to be capable of being connected with a counter, a pressure gauge or other signal transmission applications, so that the pneumatic tool can have a signal detecting function without adding an electronic element.
The technical means of the present invention is to provide a signal generating device for a pneumatic tool, which is disposed in a pressing cavity of the pneumatic tool and is connected to a key, comprising:
The valve core sleeve is arranged in the pressing cavity of the pneumatic tool, a valve channel and an opening formed at one end of the valve channel are formed in the valve core sleeve, the opening faces the direction of the key of the pneumatic tool, and a valve bottom side is arranged on the valve core sleeve opposite to the opening;
The valve core can be rotatably arranged in the valve channel of the valve core sleeve and is provided with a plug shaft hole which horizontally penetrates through and a movable ring groove which surrounds the periphery of the valve core;
A piston pin movably arranged in the plug shaft hole of the valve core in a penetrating way, one end of the piston pin is connected with a key of the pneumatic tool, and the other end of the piston pin penetrates through the valve core sleeve and is combined with a sealing cover which can be correspondingly sealed at the bottom side of the valve; and the number of the first and second groups,
An air guide assembly rotatably combined with the valve core and including a signal element and an air guide element, wherein the signal element is combined with the valve core and positioned in the movable ring groove of the valve core, an inner channel capable of being communicated with the valve channel of the valve core sleeve is formed in the signal element, the air guide element is combined with one end of the signal element and communicated with the inner channel of the signal element, and the air guide element is combined with one end of the signal element and communicated with the inner channel of the signal element
The valve core is provided with an exhaust part, an air inlet part and a connecting part connected between the exhaust part and the air inlet part, the plug shaft hole extends along the axis of the valve core and horizontally penetrates through the exhaust part, the air inlet part and the connecting part, the movable annular groove is positioned between the exhaust part and the air inlet part and surrounds the connecting part, the signal part is combined with the air inlet part of the valve core, a positioning groove is formed below the exhaust part, the air guide assembly further comprises a positioning part combined in the positioning groove, the signal part is provided with a positioning end arranged along the horizontal direction, and the positioning part is combined with the positioning end of the signal part.
The signal generating device for the pneumatic tool is characterized in that the air inlet part is provided with an installation groove and an air guide channel communicated with the installation groove and the valve channel, and one end of the signal piece is combined in the installation groove and is communicated with the valve channel through the air guide channel.
The signal generating device for the pneumatic tool is characterized in that the signal piece is provided with a mounting end arranged along the horizontal direction and a conduit end obliquely extending along the vertical direction, and the mounting end of the signal piece is combined in the mounting groove of the valve core.
The invention utilizes the signal generating device for the pneumatic tool, and the effect improvement which can be obtained comprises:
1. The pneumatic tool is matched with the keys of the pneumatic tool, compressed air entering the pneumatic tool is captured and slightly shunted to enter the air guide assembly arranged in the valve core when being pressed, so that the compressed air generates pressure signals in the air guide assembly, and the pneumatic tool can perform functions of counting, metering or torsion, pressure adjustment and the like by being matched with a counter, a pressure gauge or other cooperative accessories which can operate by applying the pressure signals.
2. The invention can generate the effect of signal transmission only by utilizing the existing pneumatic tool parts without additionally arranging any electronic element or electronic wiring and increasing the volume or weight of the pneumatic tool.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front partial cross-sectional view of a preferred embodiment of the present invention.
Fig. 2 is an exploded view of the preferred embodiment of the present invention.
FIG. 3 is an enlarged partial cross-sectional view of a preferred embodiment of the present invention in front elevation.
Fig. 4 is a front partial cross-sectional view of a preferred embodiment of the present invention in use.
FIG. 5 is an enlarged partial cross-sectional front view of the preferred embodiment of the present invention in use.
Fig. 6 is a front partial cross-sectional view of a prior art pneumatic tool.
Reference numerals:
10 pneumatic tool
11 pressing cavity
12 push-button
13 air intake channel
14 exhaust passage
20 valve core sleeve
30 valve core
40 piston pin
50 air guide assembly
Detailed Description
So that the manner in which the above recited features of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings, wherein:
Referring to the preferred embodiment of fig. 1 to 4, the signal detecting device is disposed in a pressing chamber 11 of a pneumatic tool 10, is connected to a key 12, and includes a valve core housing 20, a valve core 30, a piston pin 40 and an air guiding assembly 50.
As shown in fig. 1, the pneumatic tool 10 is a commercially available pneumatic tool, and the pressing chamber 11 is inclined in the pneumatic tool 10 along a horizontal direction and has an air inlet channel 13 and an air outlet channel 14 respectively connected to the pressing chamber 11.
As shown in fig. 1 and 2, the valve core sleeve 20 is installed in the pressing cavity 11 of the pneumatic tool 10 along the horizontal direction, the valve core sleeve 20 is cylindrical, and a valve channel 21 and an opening 22 formed at one end of the valve channel 21 are formed inside the valve core sleeve 20, the opening 22 faces the direction of the key 12 of the pneumatic tool 10, two parallel air inlets 23 communicated with the valve channel 21 are opened at the position, away from the opening 22, of the outer periphery of the valve core sleeve 20, two air outlets 24 are opened at the outer periphery of the valve core sleeve 20, which are opposite to each other up and down and communicated with the valve channel 21, a limit groove 25 is opened between the opening 22 and the air outlet 24 at the upper part of the outer periphery of the valve core sleeve 20, a valve bottom side 26 is defined opposite to the opening 22, and a pin hole 261 communicated with the valve channel 21 is opened at the valve bottom side 26.
As shown in fig. 1 to 3, the valve core 30 is rotatably and horizontally installed in the valve passage 21 of the valve core sleeve 20, the valve core 30 is cylindrical and has an exhaust portion 31, an intake portion 32 and a connecting portion 33 connected between the exhaust portion 31 and the intake portion 32, the valve core 30 has a plug shaft hole 34 extending along the axis of the valve core 30 and horizontally penetrating through the exhaust portion 31, the intake portion 32 and the connecting portion 33, a movable ring groove 35 is defined between the exhaust portion 31 and the intake portion 32 and around the connecting portion 33, and the position of the movable ring groove 35 corresponds to the position of the exhaust port 24 of the valve core sleeve 20.
As shown in fig. 2 and 3, preferably, the air discharge portion 31 has a slot 311 formed at the upper portion corresponding to the limiting slot 25, and a cylindrical positioning slot 312 is formed at the lower portion of the air discharge portion 31, the air inlet portion 32 is provided with a mounting groove 321 and an air guide channel 322 communicating the mounting groove 321 and the valve channel 21, the air inlet portion 32 is provided therein with an air inlet cavity 323 communicating with the plug shaft hole 34, an air inlet hole 324 provided above the air inlet portion 32 and communicating with the air inlet cavity 323, the air inlet hole 324 can be correspondingly communicated with any air inlet 23 of the valve core sleeve 20, so as to achieve the effect of guiding compressed air, the air inlet portion 32 is concavely formed with a guide groove 325 at a side surface facing the pin hole 261, the valve core 30 is adjacent to the valve bottom side 26 of the valve core sleeve 20 through the air inlet portion 32, so that the guide groove 325 can be used for guiding the compressed air entering from the pin hole 261 to the air guide channel 322 and the air inlet cavity 323.
As shown in fig. 1 and 2, the piston pin 40 penetrates through the plug shaft hole 34 of the valve core 30, and has one end extending out from the pin hole 261 of the valve core sleeve 20 and the other end connected to the push button 12 of the pneumatic tool 10, the piston pin 40 has a cover 41 at the end extending out from the pin hole 261, when the piston pin 40 operates in the horizontal direction, the cover 41 can correspondingly seal the pin hole 261, so that compressed air cannot enter the valve core sleeve 20 and the valve core 30.
as shown in fig. 2 and 3, the air guide assembly 50 is rotatably combined with the valve core 30, and includes a positioning element 51, a signal element 52 and an air guide element 53, the positioning element 51 is correspondingly and tightly installed in the positioning slot 312 of the exhaust portion 31, the positioning element 51 is preferably a bolt, the signal element 52 is correspondingly installed in the installation slot 321 of the air intake portion 32 and coaxially disposed with the positioning element 51, the signal element 52 is a T-shaped cylindrical component having a positioning end 521 and an installation end 522 disposed along the horizontal direction, and a conduit end 523 located between the positioning end 521 and the installation end 522 and obliquely extending along the vertical direction, a positioning hole 524 coaxial with the positioning element 51 is formed in the positioning end 521, an L-shaped inner channel 525 not communicated with the positioning hole 521 is formed in the installation end 522 and the conduit end 523, one end of the inner channel 525 of the installation end 522 is communicated with the air guide channel 322, the signal element 52 is assembled in the installation slot 321 by screwing the installation end 522 to the installation slot 321, the movable conduit end 52 is inserted into the positioning hole 52, and the positioning element 52 is located in the positioning hole 525, and the air guide element 52 is adjusted to move through the positioning hole 52, and the positioning element 52, the air guide element 52, and the elongated signal element 52 is inserted into the positioning hole 52, and the positioning element 52, and the positioning hole 52, and the positioning element 52 is inserted into the positioning hole 52, and the positioning element 52, and the.
The usage of the preferred embodiment of the present invention is shown in fig. 3 to 5, the pneumatic tool 10 is connected to compressed air when in use, when the button 12 of the pneumatic tool 10 is pressed, the piston pin 40 will be driven to move along the valve core sleeve 20 and the valve core 30, so as to separate the cover 41 from the valve core sleeve 20, at this time, the compressed air will enter the pressing cavity 11 from the air inlet channel 13, and part of the compressed air will enter the air guide channel 322 along the guide groove 325 after being split, and then continue to enter the air guide 53 from the inner channel 525 of the signal member 52, at this time, the split compressed air can generate a pressure signal after entering the air guide 53, so that the pneumatic tool 10 can perform counting, metering or torsion by the cooperation of the pressure signal and a counter, a pressure gauge or other fittings capable of operating by applying the pressure signal, so that the pneumatic tool 10 can perform counting, metering or torsion, For example, when the key 12 of the pneumatic tool 10 is pressed once, the compressed air generates a pressure signal once through the air guide element 50 and is counted once through a counter, so that a user can calculate the pressing times through the original compressed air without additionally installing any electronic component or electronic wiring, without increasing the volume or weight of the pneumatic tool, and the signal transmission effect can be generated by only using the existing pneumatic tool parts, thereby achieving a comprehensive use and breaking through the existing thinking to create a unique use effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope of the invention as defined by the appended claims.
Claims (3)
1. A signal generating device for a pneumatic tool, disposed in a pressing chamber of a pneumatic tool and connected to a button, comprising:
The valve core sleeve is arranged in the pressing cavity of the pneumatic tool, a valve channel and an opening formed at one end of the valve channel are formed in the valve core sleeve, the opening faces the direction of the key of the pneumatic tool, and a valve bottom side is arranged on the valve core sleeve opposite to the opening;
The valve core can be rotatably arranged in the valve channel of the valve core sleeve and is provided with a plug shaft hole which horizontally penetrates through and a movable ring groove which surrounds the periphery of the valve core;
A piston pin movably arranged in the plug shaft hole of the valve core in a penetrating way, one end of the piston pin is connected with a key of the pneumatic tool, and the other end of the piston pin penetrates through the valve core sleeve and is combined with a sealing cover which can be correspondingly sealed at the bottom side of the valve; and the number of the first and second groups,
An air guide assembly rotatably combined with the valve core and including a signal element and an air guide element, wherein the signal element is combined with the valve core and positioned in the movable ring groove of the valve core, an inner channel capable of being communicated with the valve channel of the valve core sleeve is formed in the signal element, the air guide element is combined with one end of the signal element and communicated with the inner channel of the signal element, and the air guide element is combined with one end of the signal element and communicated with the inner channel of the signal element
The valve core is provided with an exhaust part, an air inlet part and a connecting part connected between the exhaust part and the air inlet part, the plug shaft hole extends along the axis of the valve core and horizontally penetrates through the exhaust part, the air inlet part and the connecting part, the movable annular groove is positioned between the exhaust part and the air inlet part and surrounds the connecting part, the signal part is combined with the air inlet part of the valve core, a positioning groove is formed below the exhaust part, the air guide assembly further comprises a positioning part combined in the positioning groove, the signal part is provided with a positioning end arranged along the horizontal direction, and the positioning part is combined with the positioning end of the signal part.
2. The signal generating apparatus as claimed in claim 1, wherein the air inlet portion defines an installation groove and an air guide passage communicating the installation groove with the valve passage, and the signal member is coupled to the installation groove and communicated with the valve passage through the air guide passage.
3. The signal generating apparatus for a pneumatic tool as claimed in claim 2, wherein the signal member has a mounting end disposed in a horizontal direction and a guide end extending obliquely in a vertical direction, the mounting end of the signal member being engaged in the mounting groove of the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382801.9A CN109944775B (en) | 2017-12-20 | 2017-12-20 | Signal generating device for pneumatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382801.9A CN109944775B (en) | 2017-12-20 | 2017-12-20 | Signal generating device for pneumatic tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109944775A CN109944775A (en) | 2019-06-28 |
| CN109944775B true CN109944775B (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711382801.9A Active CN109944775B (en) | 2017-12-20 | 2017-12-20 | Signal generating device for pneumatic tool |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103552021A (en) * | 2013-11-11 | 2014-02-05 | 上海民生电器有限公司 | Improved energy-storage impact-type pneumatic wrench |
| TWI439356B (en) * | 2012-10-19 | 2014-06-01 | ||
| TWM485792U (en) * | 2014-06-06 | 2014-09-11 | Hyphone Machine Ind Co Ltd | Pneumatic tool trigger structure |
| 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 |
| TWI584921B (en) * | 2016-06-01 | 2017-06-01 | Kuani Gear Co Ltd | Pneumatic tools for steering and transposition use |
| CN107000190A (en) * | 2014-10-06 | 2017-08-01 | 艾沛克斯品牌公司 | Electronic counter for flow of fluid instrument |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3259144A (en) * | 1964-06-01 | 1966-07-05 | John F Taplin | Pressure regulator with integral gage |
| SE503847C2 (en) * | 1994-10-10 | 1996-09-16 | Atlas Copco Tools Ab | Handle for a pneumatic power tool |
-
2017
- 2017-12-20 CN CN201711382801.9A patent/CN109944775B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI439356B (en) * | 2012-10-19 | 2014-06-01 | ||
| CN103552021A (en) * | 2013-11-11 | 2014-02-05 | 上海民生电器有限公司 | Improved energy-storage impact-type pneumatic wrench |
| TWM485792U (en) * | 2014-06-06 | 2014-09-11 | Hyphone Machine Ind Co Ltd | Pneumatic tool trigger structure |
| CN107000190A (en) * | 2014-10-06 | 2017-08-01 | 艾沛克斯品牌公司 | Electronic counter for flow of fluid instrument |
| 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 |
| TWI584921B (en) * | 2016-06-01 | 2017-06-01 | Kuani Gear Co Ltd | Pneumatic tools for steering and transposition use |
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| Publication number | Publication date |
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| CN109944775A (en) | 2019-06-28 |
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