CN103821642A - Fuel input actuating device and gas power tool with same - Google Patents
Fuel input actuating device and gas power tool with same Download PDFInfo
- Publication number
- CN103821642A CN103821642A CN201410045944.0A CN201410045944A CN103821642A CN 103821642 A CN103821642 A CN 103821642A CN 201410045944 A CN201410045944 A CN 201410045944A CN 103821642 A CN103821642 A CN 103821642A
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- China
- Prior art keywords
- fuel
- firing chamber
- lever arm
- contact
- slurcocks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention relates to a fuel input actuating device and a gas power tool using the same, belonging to the technical field of gas power driving tools. The device comprises a fuel cavity cover and a push plate coaxially hinged with the fuel cavity cover, wherein the push plate is provided with a lever arm; one end of the lever arm is provided with a contact surface connected with the upper end of the combustion chamber, and the other end of the lever arm is provided with a pushing plate; when the combustion chamber is at the upper limit position, the pushing plate is at a position for pressing the fuel storage tank, and the quantitative valve is in an open state; when the combustion chamber is in the lower limit position, the push plate is in the position of releasing the fuel storage tank, and the dosing valve is in the closed state. The invention not only avoids unnecessary release of fuel gas when the fuel cavity cover is opened, but also can prevent the action of the push plate from being influenced under the condition of opening the fuel cavity cover, so that the cover can be opened to observe whether the fuel gas storage tank is abnormal or not.
Description
Technical field
The present invention relates to a kind of fuel input actuator, also relate to the gas power instrument that uses this fuel input actuator simultaneously, belong to gas power driving tool technical field.
Background technique
Gas power instrument is the common tool of the industries such as building decoration, the structure of this type of instrument can be referring to US4403722,4483280,4483473, the patent documentations such as 4483474, its typical structure as shown in Figure 1, there is the shell 1 of a rifle type, its internal configurations one has the compact internal combustion engine of firing chamber 8, relies on the fuel reservoir 3 that is installed on fuel cavity 2 that fuel is provided.Fuel is generally liquefaction hydrocarbon gas, as propylene, propane, butane etc.When work, pack fuel reservoir 3 into fuel cavity 2, the fuel cavity of closing lid 4.Touch fuel input actuator 5 and open the proportional valve on fuel reservoir 3 by pressing down contact 7, fuel percussion is discharged into 8 inside, firing chamber, stir and mix with air by the fan 6 of firing chamber 8, trigger ignition device again, the mixed gas of lighting a fire can produce heat energy, realizes the stroke of contact 7.
According to the applicant understood; current known fuel input actuator 5 is all made one with fuel cavity lid 4; after only having fuel cavity lid 4 to close, can touch actuator percussion and discharge fuel; therefore in using, there is following shortcoming: when 1) packing fuel reservoir into and closing fuel cavity lid; the actuator that fuel cavity covers is unavoidably discharged primary fuel by percussion, causes unnecessary waste; 2) when fuel goes wrong in working procedure, because actuator after opening fuel cavity lid can not be touched, therefore cannot observe the working condition of fuel reservoir, be difficult to analysis and solve problem.
Summary of the invention
The object of the invention is to: the shortcoming existing for above-mentioned prior art, proposing a kind of inessential percussion of fuel reservoir, fuel that the while can be observed fuel reservoir actual conditions can avoided inputs actuator, and provides the gas power instrument with this device.
In order to reach above object, fuel input actuator of the present invention comprises hinged fuel cavity lid above the fuel cavity of gas power tool outer casing, also comprise and the coaxial hinged push pedal of described fuel cavity lid, described push pedal has the lever arm of walking around fuel reservoir top proportional valve and extending towards firing chamber direction, described lever arm has the surface of contact being connected with upper end, firing chamber away from one end of hinging supporting shaft, described lever arm has the slurcocks being connected with fuel cavity fuel storage tank away from one end of surface of contact; When described firing chamber is during in limes superiors position, on surface of contact one end of described lever arm, rise, described slurcocks is forced proportional valve open position in compressing fuel reservoir; When described firing chamber is during in limit inferior position, surface of contact one end of described lever arm has a down dip, and described slurcocks makes proportional valve reset closed position in departing from fuel reservoir.
Use the gas power instrument of this fuel input actuator to comprise that a side extends the shell of handle, described handle below has the level nail groove of disjunctor; The internal-combustion engine of tool for mounting combuster in described shell, a side of described firing chamber forms the fuel cavity of settling fuel reservoir; Contact is extended in the lower end of described firing chamber, and motor-driven fan is settled in top; Also comprise hinged fuel cavity lid above the fuel cavity of gas power tool outer casing, comprise in addition and the coaxial hinged push pedal of described fuel cavity lid, described push pedal has the lever arm of walking around fuel reservoir top proportional valve and extending towards firing chamber direction, described lever arm has the surface of contact being connected with upper end, firing chamber away from one end of hinging supporting shaft, described lever arm has the slurcocks being connected with fuel cavity fuel storage tank away from one end of surface of contact; When described firing chamber is during in limes superiors position, on surface of contact one end of described lever arm, rise, described slurcocks is forced proportional valve open position in compressing fuel reservoir; When described firing chamber is during in limit inferior position, surface of contact one end of described lever arm has a down dip, and described slurcocks makes proportional valve reset closed position in departing from fuel reservoir.
Like this, after top presses contact to make on firing chamber to rise, all will drive slurcocks compressing fuel reservoir by push pedal, the proportional valve valve of its upper end is for example compressed relatively, on end face fixing in gas power tool outer casing (triggering block), thereby open proportional valve, the combustion gas of ejection predetermined dose; And make firing chamber lower backwardness automatically when contact release, and slurcocks departs from fuel reservoir naturally, the proportional valve valve fixing end face that gets loose, thus make to close under the proportional valve effect of Returnning spring therein.Due to the present invention not only the ingenious plate pushing structure that arranges realized the manipulation as required to proportional valve, and rationally by coaxial to push pedal and fuel cavity lid hinged separate motion, therefore unnecessary release combustion gas while not only having avoided opening fuel cavity lid, and in the situation that opening fuel cavity lid, the action of push pedal is unaffected, and whether the observation combustion gas storage tank of therefore can uncapping occurs extremely.
Further, the present invention also has upper end and is installed on the rubber pad of hinging supporting shaft, and the middle part of described rubber pad forms raised pads, between fuel reservoir and slurcocks.When described firing chamber is during in limes superiors position, the nature of described rubber pad in lower end in contact fuel reservoir outer wall; When described firing chamber is during in limit inferior position, described rubber pad is close to the bent state of fuel reservoir in middle part raised pads.
Further, described shell and upper end, firing chamber be connected respectively bonnet and combustion chamber lid, described bonnet and combustion chamber lid extend a pair of hinged ear towards fuel cavity top respectively, and described fuel cavity lid and push pedal are coaxial hinged in described hinged ear by hinging supporting shaft respectively.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is the structural representation of existing gas power instrument.
Fig. 2 is the stereo decomposing structural representation of one embodiment of the invention.
Fig. 3 is Fig. 2 embodiment proportional valve closed condition structure for amplifying schematic diagram.
Fig. 4 is Fig. 2 embodiment proportional valve opening state structure for amplifying schematic diagram.
Fig. 5 is the gas power tools structure schematic diagram that uses Fig. 3 embodiment.
Embodiment
Embodiment one
The basic structure of the fuel input actuator of the present embodiment as shown in Figure 2, Figure 3 and Figure 4, the bonnet 1-1 being connected with shell 1 and extend a pair of hinged ear 1-3 and 8-3 towards fuel cavity top respectively with the combustion chamber lid 8-2 that firing chamber 8 is connected, fuel cavity lid 4 is by the simultaneously hinged hinged ear 1-3 in top of the fuel cavity in gas power tool outer casing of hinging supporting shaft 1-2 and 8-3, and push pedal 5-1 is also coaxial hinged in hinged ear 1-3 and 8-3 by hinging supporting shaft 1-2, by this dual support structure, make hinged more safe reliable.Push pedal 5-1 has the proportional valve of walking around respectively fuel reservoir top from both sides towards the pair of lever arms 5-b of firing chamber direction extension.The upper end of firing chamber 8 is extended pair of push rods 8-1 upward, pair of lever arms 5-b bends out the two surface of contact 5-a that are connected with upper end, firing chamber push rod respectively away from one end of hinging supporting shaft 1-2, pair of lever arms interconnects by slurcocks 5-C away from one end of surface of contact 5-a, the outside of the contiguous fuel reservoir 3 of slurcocks 5-C.As shown in Figure 3, in the time that firing chamber 8 is subject to top to press in limes superiors position due to contact 7, on surface of contact 5-a one end of lever arm 5-b, rise, slurcocks 5-C is in the position towards left compressing fuel reservoir 3, make the proportional valve 3-2 valve of its upper end be pressed on the relatively-stationary end face of gas-entered passageway on (the present embodiment is the triggering block 3-1 end face that is fixed in gas power tool outer casing and is positioned at fuel reservoir valve front side, be understood that, when actual enforcement, be not limited to triggering block, the valve of proportional valve 3-2 also can be pressed on fixing any other end face of relative gas-entered passageway), thereby open proportional valve, spray the combustion gas of predetermined dose to firing chamber 8, thereby can excite nailing.As shown in Figure 4, in the time that firing chamber 8 falls in limit inferior position because the external force of contact 7 discharges, surface of contact 5-a one end of lever arm 5-b has a down dip, slurcocks 5-C departs from fuel reservoir 3, the nozzle of its proportional valve 3-2 triggering block 3-1 that gets loose, proportional valve 3-2 resets under the effect of Returnning spring, and the closed condition in storage source after the quantitative combustion gas of fuel reservoir 3, for nailing operation is next time prepared.
The present embodiment also has upper end and is installed on the rubber pad 5-2 of hinging supporting shaft 1-2, and the middle part of this rubber pad 5-2 forms raised pads, between fuel reservoir 3 and slurcocks 5-c.As shown in Figure 3, when firing chamber 8 is during in limes superiors position, the nature of rubber pad 5-2 in lower end in contact fuel reservoir 3 outer walls; As shown in Figure 4, when firing chamber 8 is during in limit inferior position, rubber pad 5-2, under the effect of slurcocks 5-c, is close to the bent state of fuel reservoir 3 in middle part raised pads, can play like this effect of stablizing and protecting fuel reservoir 3.
Use the gas power instrument of this fuel input actuator as shown in Figure 5, comprise that a side extends the shell 1 of handle 9, handle 9 belows have the level nail groove 10 of disjunctor.The internal-combustion engine of the interior tool for mounting combuster 8 of shell 1, a side of firing chamber 8 forms the fuel cavity 2 of settling fuel reservoir 3.Contact 7 is extended in the lower end of firing chamber 8, and motor-driven fan 6 is settled in top.Triggering block 3-1 is fixed in the shell 1 of gas power instrument, is positioned at the front side of fuel reservoir 3 valves.In addition also comprise, fuel cavity lid 4 and the fuel input actuator 5 of hinged fuel cavity 2 tops.The concrete structure of this fuel input actuator is referring to Fig. 2,3,4, describes in detail above, separately do not repeat.
When operation, when each contact is pressed close to workpiece surface and presses down by top pressure because of handle, on firing chamber, rise, by the surface of contact of jack-up push pedal, make slurcocks towards right compressing fuel reservoir, nozzle compresses triggering block, overcomes action of reset spring power and opens proportional valve, the combustion gas of ejection predetermined dose is to firing chamber, to carry out nailing percussion.And in the time firing chamber being fallen automatically by gravity after contact release, slurcocks departs from fuel reservoir, the nozzle triggering block that gets loose, thus make to close under the proportional valve effect of Returnning spring therein.
Because the present embodiment is rationally separated from each other push pedal and fuel cavity lid, self-movement, therefore unnecessary release combustion gas while not only having avoided opening fuel cavity lid, and in the situation that opening fuel cavity lid, the action of push pedal is unaffected, the waste of the fuel having caused because of the fuel cavity lid that must close while thoroughly having overcome prior art work and the defect that cannot observe.
In addition to the implementation, the present invention can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (6)
1. a fuel input actuator, comprise hinged fuel cavity lid above the fuel cavity of gas power tool outer casing, it is characterized in that: also comprise and the coaxial hinged push pedal of described fuel cavity lid, described push pedal has the lever arm of walking around fuel reservoir top proportional valve and extending towards firing chamber direction, described lever arm has the surface of contact being connected with upper end, firing chamber away from one end of hinging supporting shaft, described lever arm has the slurcocks being connected with fuel cavity fuel storage tank away from one end of surface of contact; When described firing chamber is during in limes superiors position, on surface of contact one end of described lever arm, rise, described slurcocks is forced proportional valve open position in compressing fuel reservoir; When described firing chamber is during in limit inferior position, surface of contact one end of described lever arm has a down dip, and described slurcocks makes proportional valve reset closed position in departing from fuel reservoir.
2. fuel according to claim 1 input actuator, is characterized in that: also have upper end and be installed on the rubber pad of hinging supporting shaft, the middle part of described rubber pad forms raised pads, between fuel reservoir and slurcocks.
3. fuel input actuator according to claim 2, it is characterized in that: described shell and upper end, firing chamber be connected respectively bonnet and combustion chamber lid, described bonnet and combustion chamber lid extend a pair of hinged ear towards fuel cavity top respectively, and described fuel cavity lid and push pedal are coaxial hinged in described hinged ear by hinging supporting shaft respectively.
4. have a gas power instrument for fuel input actuator, comprise that a side extends the shell of handle, described handle below has the level nail groove of disjunctor; The internal-combustion engine of tool for mounting combuster in described shell, a side of described firing chamber forms the fuel cavity of settling fuel reservoir; Contact is extended in the lower end of described firing chamber, and motor-driven fan is settled in top; Also comprise hinged fuel cavity lid above the fuel cavity of gas power tool outer casing, it is characterized in that: also comprise and the coaxial hinged push pedal of described fuel cavity lid, described push pedal has the lever arm of walking around fuel reservoir top proportional valve and extending towards firing chamber direction, described lever arm has the surface of contact being connected with upper end, firing chamber away from one end of hinging supporting shaft, described lever arm has the slurcocks being connected with fuel cavity fuel storage tank away from one end of surface of contact; When described firing chamber is during in limes superiors position, on surface of contact one end of described lever arm, rise, described slurcocks is forced proportional valve open position in compressing fuel reservoir; When described firing chamber is during in limit inferior position, surface of contact one end of described lever arm has a down dip, and described slurcocks makes proportional valve reset closed position in departing from fuel reservoir.
5. gas power instrument according to claim 4, is characterized in that: also have upper end and be installed on the rubber pad of hinging supporting shaft, the middle part of described rubber pad forms raised pads, between fuel reservoir and slurcocks.
6. gas power instrument according to claim 5, it is characterized in that: described shell and upper end, firing chamber be connected respectively bonnet and combustion chamber lid, described bonnet and combustion chamber lid extend a pair of hinged ear towards fuel cavity top respectively, and described fuel cavity lid and push pedal are coaxial hinged in described hinged ear by hinging supporting shaft respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045944.0A CN103821642B (en) | 2014-02-10 | 2014-02-10 | Fuel input actuating device and gas power tool with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045944.0A CN103821642B (en) | 2014-02-10 | 2014-02-10 | Fuel input actuating device and gas power tool with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103821642A true CN103821642A (en) | 2014-05-28 |
| CN103821642B CN103821642B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410045944.0A Active CN103821642B (en) | 2014-02-10 | 2014-02-10 | Fuel input actuating device and gas power tool with same |
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| Country | Link |
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| CN (1) | CN103821642B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483280A (en) * | 1981-01-22 | 1984-11-20 | Signode Corporation | Portable gas-powered tool with linear motor |
| JP2007112072A (en) * | 2005-10-22 | 2007-05-10 | Max Co Ltd | Clincher device of stapler |
| CN101175609A (en) * | 2005-05-10 | 2008-05-07 | 美克司株式会社 | Fuel gas type hammering tool |
| CN101652545A (en) * | 2007-04-02 | 2010-02-17 | 美克司株式会社 | Gas internal combustion-type nailing machine |
| CN101961859A (en) * | 2010-10-20 | 2011-02-02 | 倚天(南京)金属制品有限公司 | Fuel-powered nail gun |
-
2014
- 2014-02-10 CN CN201410045944.0A patent/CN103821642B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483280A (en) * | 1981-01-22 | 1984-11-20 | Signode Corporation | Portable gas-powered tool with linear motor |
| CN101175609A (en) * | 2005-05-10 | 2008-05-07 | 美克司株式会社 | Fuel gas type hammering tool |
| JP2007112072A (en) * | 2005-10-22 | 2007-05-10 | Max Co Ltd | Clincher device of stapler |
| CN101652545A (en) * | 2007-04-02 | 2010-02-17 | 美克司株式会社 | Gas internal combustion-type nailing machine |
| CN101961859A (en) * | 2010-10-20 | 2011-02-02 | 倚天(南京)金属制品有限公司 | Fuel-powered nail gun |
Non-Patent Citations (1)
| Title |
|---|
| 林波 李兴虎: "《内燃机构造》", 31 January 2012, 北京大学出版社 * |
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| Publication number | Publication date |
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| CN103821642B (en) | 2016-03-30 |
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Address after: Jiangning District of Nanjing city Jiangsu Province, Dongshan Street Lin Yee 211103 Road No. 129 Patentee after: Nanjing Toua Hardware & Tools Co.,Ltd. Address before: Jiangning District of Nanjing city Jiangsu Province, Dongshan Street Lin Yee 211103 Road No. 129 Patentee before: Nanjing Toua Hardware & Tools Co.,Ltd. |