CN1880028A - Pneumatic tool with improved structure - Google Patents

Pneumatic tool with improved structure Download PDF

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Publication number
CN1880028A
CN1880028A CN 200510078181 CN200510078181A CN1880028A CN 1880028 A CN1880028 A CN 1880028A CN 200510078181 CN200510078181 CN 200510078181 CN 200510078181 A CN200510078181 A CN 200510078181A CN 1880028 A CN1880028 A CN 1880028A
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China
Prior art keywords
control
air
pneumatic tool
structure improved
reverse
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Pending
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CN 200510078181
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Chinese (zh)
Inventor
张瑞昇
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MEIDI ENTERPRISE CO Ltd
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MEIDI ENTERPRISE CO Ltd
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Application filed by MEIDI ENTERPRISE CO Ltd filed Critical MEIDI ENTERPRISE CO Ltd
Priority to CN 200510078181 priority Critical patent/CN1880028A/en
Publication of CN1880028A publication Critical patent/CN1880028A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an air powered tool, which comprises: a main body, a cylinder group, a sealing cover and a controller, wherein the main body has air room, control groove, and positive rotation air channel and passive rotation air channel connected to two sides of control groove; said control groove is arranged with flux control hole with cross shape; the cylinder group is inside the air room, whose one end has positive outlet and passive outlet; said sealing cover is at the air room, while it has one through hole at the position opposite to the control groove; the part of sealing cover near the main body has the positive air groove connecting the positive air channel and the positive outlet, and a passive air groove connecting passive rotation air channel and the passive outlet; one end of controller is axially arranged on the through hole of sealing cover to extend into the control groove of main body; two sides of controller are independently arranged with the positive and passive guide grooves that axially extending and not crossed; positive and passive guide grooves can be processed easily, to simplify the process and reduce producing cost.

Description

Structure improved pneumatic tool
Technical field
The present invention relates to a kind of structure improved pneumatic tool, refer to have the structure improved pneumatic tool of simplifying processing procedure and reducing production costs especially.
Background technology
The structural form of society makes rapid progress, and the required quality of the life of people improves relatively, and also from the old thinking of " can with all right ", the quite exquisiteness that becomes has the conception of continuous progress or innovation only, could satisfy the demand of modern society to the requirement of things.
Please refer to the TW patent announcement and number " the gas-guiding structure improvement of pneumatic tool " patent case of No. 513992, it is an air tool existing structure, one outer sleeve body mainly is set on body, and in outer sleeve body, wears a rotary switch, adjust the function that turns to and regulate the speed and reach.Though existing structure there is no too big problem in the use, but just forming a sizable puzzlement on procedure for producing, because of this outer sleeve body must be arranged in this body in the mode of closely cooperating, is not integrally formed by body, the feasible group of degree of difficulty of establishing process improves, and is unfavorable for that industrial circle produces in a large number.And its outer sleeve body and rotary switch thereof need offer different through holes and difform stop block respectively, and so design makes that again manufacture process is complicated, can't reach the purpose that reduces production costs.
Other please refer to the TW patent announcement and numbers No. 367926 " the controlled adjuster improvement structure of pneumatic tool ", it mainly offers one and regulates control hole on body, stretch through for the Rotation Controllers in the capping, and this Rotation Controllers offers two adjusting slotted eyes on the body of rod, this two adjusting slotted eye also communicates in the body of rod and the crossing configuration that forms suitable angle degree, also offers two auxiliary exhaust grooves simultaneously on this body of rod in addition.
Though this existing structure is same also have adjustable turn over to the function of regulating the speed, but on structural design, still have its shortcoming to exist, offer the adjusting slotted eye of two formation 90 degree angles configurations that in the body of rod, communicate and intersect on the body of rod because of its Rotation Controllers, it is complicated that this design is still disliked in processing slightly, and waste process time, so can't reduce production costs effectively.Need offer two auxiliary exhaust grooves separately on this body of rod simultaneously again, this measure just increases its procedure of processing, so for asking the simplification procedure for producing, reach the purpose that reduces production costs, necessity of improvement is arranged.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and defective, a kind of structure improved pneumatic tool is proposed, the technical problem that its desire solves is, the outer sleeve body of this existing structure must be arranged in this body in the mode of closely cooperating, be not integrally formed by body, the feasible group of degree of difficulty of establishing process improves, and is unfavorable for that industrial circle produces in a large number.And its outer sleeve body and rotary switch thereof need offer different through holes and difform stop block respectively, and so design makes that again manufacture process is complicated, can't reach the purpose that reduces production costs.Offer the adjusting slotted eye that two formation 90 degree angles that communicate in the body of rod and intersect dispose again on the body of rod of another existing structure because of its Rotation Controllers, still suspicion is complicated slightly in processing in this design, and wastes process time, so can't reduce production costs effectively.Need offer two auxiliary exhaust grooves separately on this body of rod simultaneously, this measure just increases its procedure of processing, so for asking the simplification procedure for producing, reach the purpose that reduces production costs, necessity of improvement is arranged.
For reaching above-mentioned purpose, the invention provides a kind of structure improved pneumatic tool, it includes a body, an air cylinder group, a capping and a control piece; This body has an air chamber, and this body is extended with a shank in a side, be provided with an air inlet in this shank, then offering a control flume between this air chamber and this shank and being communicated in one of control flume both sides is just changeing an air flue and a reverse air flue, and this control flume and this air inlet interlink and be provided with the flow control hole of right-angled intersection moulding; This air cylinder group is located in the air chamber of this body, and this air cylinder group is respectively equipped with one in an end and is just changeing port and and reverse port; This capping is covered on the air chamber of this body, this capping offers a through hole with respect to the position of this control flume, one side of close this body of this capping then offers one is just changeing an air drain and a reverse air drain, this just changeing air drain can be in order to conducting this just changeing air flue and this is just changeing port, can should reverse air flue and this reverse port in order to conducting and should reverse air drain; This control piece one end forms a control lever, this control lever is hubbed at the through hole of this capping and is extended through in the control flume of this body, and this control lever offers one respectively and extends axially and mutually disjoint groove and the reverse guide groove of just transduceing in both sides, produce multiple diverse location variation and can match, reach and adjust air cylinder group rotating speed and the function that turns to this flow control hole; Thus, this control piece is axially extended just, the processing of reverse guide groove is simple and easy, can simplify processing procedure effectively, and then reduce production costs.
Other purpose, advantage and novel characteristics of the present invention will make it more obvious from the following detailed description and related drawings.
Description of drawings
Fig. 1 is a three-dimensional exploded view of the present invention;
Fig. 2 is a profilograph of the present invention;
Fig. 3 is the 3-3 profile of Fig. 2 of the present invention;
Fig. 4 is the 4-4 profile of Fig. 2 of the present invention;
Fig. 5 is the 5-5 profile of Fig. 2 of the present invention;
Fig. 6 distributes schematic diagram for rotating speed of the present invention;
User mode figure when Fig. 7 does not turn round for the present invention;
User mode figure when Fig. 8 does not turn round for the present invention;
User mode figure when Fig. 9 does not turn round for the present invention;
User mode figure when Figure 10 reverses for the slow-speed of revolution of the present invention;
User mode figure when Figure 11 reverses for the slow-speed of revolution of the present invention;
User mode figure when Figure 12 reverses for the slow-speed of revolution of the present invention;
User mode figure when Figure 13 reverses for the high rotating speed of the present invention;
User mode figure when Figure 14 reverses for the high rotating speed of the present invention;
User mode figure when Figure 15 reverses for the high rotating speed of the present invention;
User mode figure when Figure 16 is just changeing for the high rotating speed of the present invention;
User mode figure when Figure 17 is just changeing for the high rotating speed of the present invention;
User mode figure when Figure 18 is just changeing for the high rotating speed of the present invention.
Symbol description among the figure
10 bodies, 11 air chambers
111 exhaust ducts, 112 gas off-takes
12 shanks, 121 air inlets
122 exhaust outlets, 13 control flumes
131 flow control holes 14 are just changeing air flue
141 runners 15 reverse air flue
151 runners
20 air cylinder group 21 are just being changeed port
22 reverse port 23 gas outlets
30 cappings, 31 through holes
311 locating slots 32 are just changeing air drain
33 reverse air drain
40 control pieces, 41 control knobs
42 tanks, 421 steel balls
422 springs, 43 control levers
431 just transduceing grooves 432 reverse guide grooves
44 O shapes are encircled 45 O shapes ring
46 rings
The specific embodiment
Relevant the technology used in the present invention, means and effect thereof, lift now that a preferred embodiment and conjunction with figs. describe in detail as after, this only for the usefulness of explanation, is not subjected to the restriction of this kind structure in patent application.
Referring to figs. 1 through Fig. 3, a body 10, an air cylinder group 20, a capping 30 and a control piece 40 have been the present invention includes; Establish the flow control hole 13 of right-angled intersection moulding in this body 10, this air cylinder group 20 is located in this body 10,30 of this cappings are in order to seal this air cylinder group 20,40 of this control pieces can match with this flow control hole 13, with the rotating speed of adjusting air cylinder group 20 with turn to, and the both sides of this control piece 40 offer respectively one extend axially and mutually disjoint just transduceing groove 431 with reverse guide groove 432, can simplify the processing procedure and then the person of reducing production costs effectively.Wherein:
This body 10 has an air chamber 11, and this body 10 is extended with a shank 12 in a side, is provided with an air inlet 121 and an exhaust outlet 122 in this shank 12.Then offer a control flume 13 between this air chamber 11 and this shank 12 and be positioned at one of control flume 13 both sides and just changeing an air flue 14 and a reverse air flue 15.These control flume 13 middle sections and this air inlet 121 interlink and are provided with a flow control hole 131, and this flow control hole 131 is the right-angled intersection moulding approximately, and has the rear and front end of square shape and the two ends, the left and right sides of arc shape respectively.
Please cooperate simultaneously with reference to Fig. 4, the leading portion place of this control flume 13 and this just, reverse between the air flue 14,15 and offer a runner 141,151 respectively, but these runner 141,151 supplied gas flow into and flow out.The leading portion place of this air chamber 11 and this control flume 13 interlinks and is provided with an exhaust duct 111, and the back segment of this air chamber 11 and this control flume 13 then interlinks and is provided with two gas off-takes 112.The back segment place of this control flume 13 then connects with this exhaust outlet 122, discharges smoothly with supplied gas.
This air cylinder group 20 is located in the air chamber 11 of this body 10, and this air cylinder group 20 is respectively equipped with one in an end and just changeing port 21 and and reverse port 22, but this just, reverse port 21,22 supplied gas and flow into the rotor (not shown) that drives in air cylinder group 20 in and turn round.This air cylinder group 20 then offers several gas outlets 123 in all sides.
Please cooperate simultaneously with reference to Fig. 5, this capping 30 is covered on the air chamber 11 of this body 10, and in order to seal this air cylinder group 20, this capping 30 offers a through hole 31 with respect to the position of this control flume 13, and this through hole 31 is interior in radially being provided with most locating slots 311.One side of these capping 30 close these bodies 10 then offers one is just changeing an air drain 32 and a reverse air drain 33, this just changeing air drain 32 can be in order to conducting this just changeing air flue 14 and just changeing port 21 with this, can should reverse air flue 15 in order to conducting and reversed port 22 and should reverse air drain 33 with this.30 of this cappings indicate to have in outer surface just to be changeed F, reverse R and closes printed words such as O for user's identification.
This control piece 40 is hubbed at the through hole 31 of this capping 30 and is extended through in the control flume 13 of this body 10, and can be in order to adjust the flow size of this flow control hole 131 and turning to of this air cylinder group 20.This control piece 40 is formed with a control knob 41 that is exposed to outside the capping 30 in an end, and this control knob 41 is available for users to operation.This control piece 40 then is provided with a tank 42 with respect to the position of these capping 30 locating slots 311, is provided with a steel ball 421 and a spring 422 in this tank 42, with locating effect so that produce one between this control piece 40 and this capping 30.This control piece 40 also is equipped with a ring 46 near these tank 42 places, and this ring 46 can not deviate from arbitrarily in order to limit in the through hole 31 that this control piece 40 remains in this capping 30.
The end that this control piece 40 differs from this control knob 41 then is formed with a control lever 43, this control lever 43 offers an axially extended groove 431 and of just transduceing respectively and reverses guide groove 432 in both sides, this just, reverse guide groove 431,432 and be made as the indent arcuation, and mutually disjoint also disjunct independent respectively the existence.And this is axially extended just, 431,432 processing of reverse guide groove are simple and easy, can simplify processing procedure effectively, and then reduce production costs.Again this just, reverse guide groove 431,432 and have the function of air inlet and exhaust simultaneously, so need not on this control piece 40, to offer the exhaust structure of assisting usefulness separately, so can exempt too much procedure of processing, and saving man-hour, reach the purpose that reduces production costs.
This control piece 40 is equipped with O shape ring 44,45 respectively in the place, two ends that this just, reverses guide groove 431,432, with so that form airtight relation between this control lever 43 and this body 10 control flumes 13, make this control flume 13 have a leading portion admission space and a back segment exhaust space simultaneously.
Please cooperate with reference to Fig. 6 the schematic diagram when matching the generation different rotating speeds with this control piece 40 simultaneously for flow control hole 13 of the present invention.When control piece 40 was in slow-revving state, only open cross-sections was long-pending is the size of A for this flow control hole 13.When control piece 40 was in medium speed, it was 2A or the above size of 2A that 13 openings of this flow control hole have sectional area, so medium speed will have twice or the above slow-revving speed of twice as can be known.And when control piece 40 was in high rotating speed, it was 4A or the size more than the 4A that this flow control hole 13 has a sectional area with opening, so high as can be known rotating speed will have the speed of twice or the above medium speed of twice.
The flow control hole 13 that is the right-angled intersection shape-designing thus approximately utilizes the two ends, the left and right sides of its rear and front end that has square shape respectively and arc shape, with this control piece 40 incompatible generation one tangible speed discrepancy that matches, can provide user one preferable result of use.And this flow control hole 13 also can be designed to the different moulding that other can produce obvious speed discrepancy, as diamond pattern etc.
With reference to Fig. 7 to Fig. 9, the user mode figure when not turning round for the present invention.When control piece 40 was in the closed position, its control lever 43 was closed in the flow control hole 131 between this air inlet 121 and this control flume 13, so gases in the air inlet 121 and can't flowing in the control flume 13.
With reference to Figure 10 to Figure 12, the user mode figure when reversing with the slow-speed of revolution for the present invention.Make between this air inlet 121 and this control flume 13 when forming the conducting shape when the user adjusts this control piece 40, this flow control hole 131 will be opened a less sectional area for air inlet.Gas can be via flow control hole 131, reverse guide groove 432, runner 151, reverse air flue 15, reverse air drain 33 and enter the reverse port 122 of air cylinder group 20 (as shown in Figure 1), orders about air cylinder group 20 and reverses (the air inlet route is represented by thin arrow) with the slow-speed of revolution.
Having partly gas in this air cylinder group 20 discharges in outdoor through air chamber 11, gas off-take 112, control flume 13 back segments, exhaust outlet 122 from this gas outlet 23.In this air cylinder group 20 remaining gas then by just change port 21, just change air drain 32, just change air flue 14, runner 141, just transduce groove 431, exhaust duct 111, air chamber 11, gas off-take 112, control flume 13 back segments, exhaust outlet 122 discharged in outdoor, to keep a gas flow path (the exhaust route is represented by thick arrow) smoothly.
With reference to Figure 13 to Figure 15, the user mode figure when reversing with high rotating speed for the present invention.Its gas flow path is identical during with the aforementioned slow-speed of revolution, and difference is in this flow control hole 13 has a bigger sectional area with open, so that a high rotational speed to be provided.
With reference to Figure 16 to Figure 18, the user mode figure when just changeing with high rotating speed for the present invention.Make between this air inlet 121 and this control flume 13 when forming the conducting shape when the user adjusts this control piece 40, this flow control hole 131 will be opened a bigger sectional area for air inlet.Gas can be via flow control hole 13, the groove 431 of just transduceing, runner 141, just change air flue 14, just change air drain 32 and enter the just commentaries on classics port 21 of air cylinder group 20 (as shown in Figure 1), order about air cylinder group 20 and just change (the air inlet route is represented by thin arrow) with high rotating speed.
Having partly gas in this air cylinder group 20 discharges in outdoor through air chamber 11, gas off-take 112, control flume 13 back segments, exhaust outlet 122 from this gas outlet 23.Remaining gas is then by reversing port 22, reverse air drain 33, reverse air flue 15, runner 151, reverse guide groove 432, exhaust duct 111, air chamber 11, gas off-take 112, control flume 13 back segments, exhaust outlet 122 and discharge in outdoor in this air cylinder group 20, to keep a gas flow path (the exhaust route is represented by thick arrow) smoothly.
Can summarize the present invention with regard to the above and have following advantage:
1. the structure improved pneumatic tool of the present invention, wherein this control lever offers an axially extended groove and of just transduceing respectively and reverses guide groove in both sides, this just, reverse guide groove and be made as the indent arcuation, and mutually disjoint also disjunct independent respectively the existence, and this is axially extended just, the processing of reverse guide groove is simple and easy, can simplify processing procedure effectively, and then reduce production costs.
2. the structure improved pneumatic tool of the present invention, wherein this just, reverse guide groove and have the function of air inlet and exhaust simultaneously, so need not on this control piece, to offer the exhaust structure of assisting usefulness separately, so can exempt too much procedure of processing, and save man-hour, reach the purpose that reduces production costs.
3. the structure improved pneumatic tool of the present invention, wherein utilize the flow control hole that is the right-angled intersection shape-designing approximately, have the rear and front end of square shape and the two ends, the left and right sides of arc shape with it, the generation one tangible speed discrepancy that matches with this control piece can provide user one preferable result of use.
The above, only be preferred embodiment of the present invention, when can not with qualification scope of the invention process, so the displacement of the change of numerical value or equivalent elements such as, or, all should still belong to the category that patent of the present invention contains according to equalization variation and modification that claim of the present invention is done.

Claims (13)

1. a structure improved pneumatic tool is characterized in that, comprising:
One body, has an air chamber, and this body is extended with a shank in a side, be provided with an air inlet in this shank, then offering a control flume between this air chamber and this shank and being communicated in one of control flume both sides is just changeing an air flue and a reverse air flue, and this control flume and this air inlet interlink and be provided with a flow control hole;
One air cylinder group is located in the air chamber of this body, and this air cylinder group is respectively equipped with one in an end and is just changeing port and and reverse port;
One capping, be covered on the air chamber of this body, this capping offers a through hole with respect to the position of this control flume, one side of close this body of this capping then offers one is just changeing an air drain and a reverse air drain, this just changeing air drain can be in order to conducting this just changeing air flue and this is just changeing port, can should reverse air flue and this reverse port in order to conducting and should reverse air drain;
One control piece, the one end forms a control lever, this control lever is hubbed at the through hole of this capping and is extended through in the control flume of this body, and this control lever offer respectively in both sides one just transduceing groove with reverse guide groove, produce multiple diverse location variation and can match, to adjust the air cylinder group rotating speed and to turn to this flow control hole.
2. structure improved pneumatic tool as claimed in claim 1, wherein, this just, reverse guide groove and extend axially both sides in this control lever.
3. structure improved pneumatic tool as claimed in claim 2, wherein, this just, the reverse guide groove does not link to each other mutually, and also mutually disjoint difference is independent to be existed.
4. structure improved pneumatic tool as claimed in claim 3, wherein, this just, reverse guide groove and be made as the indent arcuation.
5. structure improved pneumatic tool as claimed in claim 1, wherein, this flow control hole is the right-angled intersection moulding.
6. structure improved pneumatic tool as claimed in claim 5, wherein, this flow control hole has the rear and front end of square shape and the two ends, the left and right sides of arc shape respectively.
7. structure improved pneumatic tool as claimed in claim 1, wherein, the leading portion place of this air chamber and this control flume interlinks and is provided with an exhaust duct.
8. structure improved pneumatic tool as claimed in claim 7, wherein, the back segment of this air chamber and this control flume then interlinks and is provided with two gas off-takes.
9. structure improved pneumatic tool as claimed in claim 4, wherein, the end that this control piece differs from this control lever is formed with a control knob that is exposed to outside the capping, and this control knob is available for users to operation.
10. structure improved pneumatic tool as claimed in claim 9, wherein, this through hole is interior in radially being provided with most locating slots, this control piece then is provided with a tank with respect to the position of this capping locating slot, be provided with a steel ball and a spring in this tank, make and produce a location between this control piece and this capping.
11. structure improved pneumatic tool as claimed in claim 10, wherein, this control piece also is equipped with a ring near this tank place, and this ring can not deviate from arbitrarily in order to limit in the through hole that this control piece remains in this capping.
12. structure improved pneumatic tool as claimed in claim 4, wherein, this control piece is equipped with O shape ring respectively in the place, two ends that this just, reverses guide groove, makes the airtight relation of formation between this control lever and this control flume.
13. structure improved pneumatic tool as claimed in claim 1 wherein, also is provided with an exhaust outlet in this shank, the back segment place of this control flume then connects with this exhaust outlet, discharges smoothly with supplied gas.
CN 200510078181 2005-06-17 2005-06-17 Pneumatic tool with improved structure Pending CN1880028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200510078181 CN1880028A (en) 2005-06-17 2005-06-17 Pneumatic tool with improved structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200510078181 CN1880028A (en) 2005-06-17 2005-06-17 Pneumatic tool with improved structure

Publications (1)

Publication Number Publication Date
CN1880028A true CN1880028A (en) 2006-12-20

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101829982A (en) * 2010-04-22 2010-09-15 宁波飞驹工具有限公司 Forward/reversible switching group and pneumatic tool thereof
CN102601777A (en) * 2011-01-24 2012-07-25 黄德伦 Pneumatic tool
TWI411501B (en) * 2012-01-16 2013-10-11 Pneutrend Industry Co Ltd Pneumatic tool drive direction and flow control device
CN103552035A (en) * 2013-11-07 2014-02-05 罗建男 Pneumatic type nail gun
CN105983948A (en) * 2015-02-13 2016-10-05 张玮庭 Reversing control structure of pneumatic tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101829982A (en) * 2010-04-22 2010-09-15 宁波飞驹工具有限公司 Forward/reversible switching group and pneumatic tool thereof
CN102601777A (en) * 2011-01-24 2012-07-25 黄德伦 Pneumatic tool
TWI411501B (en) * 2012-01-16 2013-10-11 Pneutrend Industry Co Ltd Pneumatic tool drive direction and flow control device
CN103552035A (en) * 2013-11-07 2014-02-05 罗建男 Pneumatic type nail gun
CN103552035B (en) * 2013-11-07 2016-10-26 罗建男 A kind of Pneumatic type nail gun
CN105983948A (en) * 2015-02-13 2016-10-05 张玮庭 Reversing control structure of pneumatic tool

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