CN103821642B - 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
- CN103821642B CN103821642B CN201410045944.0A CN201410045944A CN103821642B CN 103821642 B CN103821642 B CN 103821642B CN 201410045944 A CN201410045944 A CN 201410045944A CN 103821642 B CN103821642 B CN 103821642B
- Authority
- CN
- China
- Prior art keywords
- fuel
- firing chamber
- lever arm
- contact
- slurcocks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000446 fuel Substances 0.000 title claims abstract description 122
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 238000010304 firing Methods 0.000 claims description 44
- 239000007789 gas Substances 0.000 abstract description 19
- 239000002737 fuel gas Substances 0.000 abstract 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 239000000567 combustion gas Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000009527 percussion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Portable Nailing Machines And Staplers (AREA)
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 using 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 see US4403722,4483280,4483473, the patent documentations such as 4483474, its typical structure as shown in Figure 1, there is the shell 1 of a gun shaped, its internal configurations one has the compact internal combustion engine of firing chamber 8, relies on the fuel reservoir 3 being installed on fuel cavity 2 to provide fuel.Fuel is generally liquefaction hydrocarbon gas, as propylene, propane, butane etc.During work, fuel reservoir 3 is loaded fuel cavity 2, fuel cavity of closing lid 4.Touch fuel input actuator 5 open proportional valve on fuel reservoir 3 by pressing down contact 7, fuel percussion is discharged into firing chamber 8 inner, stirred by the fan 6 of firing chamber 8 and mix with air, trigger ignition device again, mixed gas of lighting a fire can produce heat energy, realizes the stroke of contact 7.
According to the applicant understood; one all made by current known fuel input actuator 5 with fuel cavity lid 4; the percussion of tactile actuation device fuel can be discharged after only having fuel cavity lid 4 to close; therefore use in there is following shortcoming: 1) load fuel reservoir close fuel cavity lid time; the actuator that fuel cavity covers unavoidably by percussion release primary fuel, 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 existed for above-mentioned prior art, propose a kind of fuel input actuator can avoided the inessential percussion of fuel reservoir, fuel reservoir actual conditions can be observed simultaneously, and provide 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 the push pedal coaxially hinged with described fuel cavity lid, described push pedal has walks around proportional valve above fuel reservoir and the lever arm extended towards direction, firing chamber, described lever arm has away from one end of hinging supporting shaft the surface of contact be connected with upper end, firing chamber, and described lever arm has away from one end of surface of contact the slurcocks be connected with fuel cavity fuel storage tank; When described firing chamber is in upper extreme position, surface of contact one end of described lever arm rises, described slurcocks is in compressing fuel reservoir and forces proportional valve open position; When described firing chamber is in lower limit position, surface of contact one end of described lever arm has a down dip, and described slurcocks is in disengaging fuel reservoir and makes proportional valve reset closed position.
The gas power instrument using this fuel to input actuator comprises the shell that handle is extended in side, has the level nail groove of disjunctor below described handle; The internal-combustion engine of tool for mounting combuster in described shell, the 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 the push pedal coaxially hinged with described fuel cavity lid in addition, described push pedal has walks around proportional valve above fuel reservoir and the lever arm extended towards direction, firing chamber, described lever arm has away from one end of hinging supporting shaft the surface of contact be connected with upper end, firing chamber, and described lever arm has away from one end of surface of contact the slurcocks be connected with fuel cavity fuel storage tank; When described firing chamber is in upper extreme position, surface of contact one end of described lever arm rises, described slurcocks is in compressing fuel reservoir and forces proportional valve open position; When described firing chamber is in lower limit position, surface of contact one end of described lever arm has a down dip, and described slurcocks is in disengaging fuel reservoir and makes proportional valve reset closed position.
Like this, whenever top, pressure contact makes on firing chamber after liter, all slurcocks will be driven to oppress fuel reservoir by push pedal, makes the proportional valve valve of its upper end compress relatively on the end face of gas power tool outer casing internal fixtion (such as triggering block), thus open proportional valve, the combustion gas of ejection predetermined dose; And when contact release makes that firing chamber is automatically lower to fall behind, slurcocks departs from fuel reservoir naturally, proportional valve valve gets loose fixing end face, thus closes under making the effect of proportional valve Returnning spring therein.Due to the present invention not only the ingenious plate pushing structure that arranges achieve manipulation as required to proportional valve, and rationally by push pedal and the coaxially hinged separate motion of fuel cavity lid, therefore not only avoid release combustion gas unnecessary when opening fuel cavity lid, and when opening fuel cavity lid, the action of push pedal is unaffected, and whether observation combustion gas storage tank of therefore can uncapping occurs exception.
Further, the present invention also has the rubber pad that upper end is installed on hinging supporting shaft, and the middle part of described rubber pad forms raised pads, between fuel reservoir and slurcocks.When described firing chamber is in upper extreme position, described rubber pad is in the nature of lower end in contact fuel reservoir outer wall; When described firing chamber is in lower limit position, described rubber pad is in the bent state that middle part raised pads is close to fuel reservoir.
Further, described shell and upper end, firing chamber are connected bonnet and combustion chamber lid respectively, and described bonnet and combustion chamber lid extend a pair hinged ear respectively above fuel cavity, described fuel cavity lid and push pedal coaxially hinged in described hinged ear respectively by hinging supporting shaft.
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 using 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 be connected with shell 1 and extend a pair hinged ear 1-3 and 8-3 respectively with the combustion chamber lid 8-2 that firing chamber 8 is connected above fuel cavity, fuel cavity lid 4 by hinging supporting shaft 1-2 simultaneously hinged above the fuel cavity of gas power tool outer casing hinged ear 1-3 and 8-3, and push pedal 5-1 is also coaxially hinged in hinged ear 1-3 and 8-3 by hinging supporting shaft 1-2, by this dual support structure, it is hinged more reliably safe to make.Push pedal 5-1 has the pair of lever arms 5-b walking around the proportional valve above fuel reservoir respectively from both sides and extend towards direction, firing chamber.Pair of push rods 8-1 is extended upward in the upper end of firing chamber 8, pair of lever arms 5-b bends out away from one end of hinging supporting shaft 1-2 the two surface of contact 5-a be connected with upper end, firing chamber push rod respectively, pair of lever arms is interconnected 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, when firing chamber 8 is in upper extreme position due to contact 7 by top pressure, surface of contact 5-a one end of lever arm 5-b rises, slurcocks 5-C is in the position towards left compressing fuel reservoir 3, the proportional valve 3-2 valve of its upper end is pressed on gas-entered passageway, and on relatively-stationary end face, (the present embodiment is be fixed in gas power tool outer casing and the triggering block 3-1 end face be positioned on front side of fuel reservoir valve, be understood that, triggering block is not limited to during actual enforcement, the valve of proportional valve 3-2 also can be pressed on fixing other end face any of relative gas-entered passageway), thus open proportional valve, the combustion gas of predetermined dose is sprayed to firing chamber 8, thus can nailing be excited.As shown in Figure 4, when firing chamber 8 because of contact 7 external force release fall and be in lower limit position time, 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 gets loose triggering block 3-1, proportional valve 3-2 resets under the effect of Returnning spring, is in the closed condition of storage source after fuel reservoir 3 quantitatively combustion gas, for nailing operation is prepared next time.
The present embodiment also has the rubber pad 5-2 that upper end is installed on 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 in upper extreme position, rubber pad 5-2 is in the nature of lower end in contact fuel reservoir 3 outer wall; As shown in Figure 4, when firing chamber 8 is in lower limit position, rubber pad 5-2, under the effect of slurcocks 5-c, is in middle part raised pads and is close to the bent state of fuel reservoir 3, can play like this and stablizes and protect the effect of fuel reservoir 3.
Use this fuel to input the gas power instrument of actuator as shown in Figure 5, comprise the shell 1 that handle 9 is extended in side, there is below handle 9 the level nail groove 10 of disjunctor.The internal-combustion engine of tool for mounting combuster 8 in shell 1, the 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 valve.In addition, the fuel cavity lid 4 above hinged fuel cavity 2 and fuel input actuator 5 is also comprised.The concrete structure of this fuel input actuator, see Fig. 2,3,4, to describe in detail above, does not separately repeat.
During operation, when each contact is pressed close to workpiece surface and is pressed by top because handle presses down, firing chamber rises, 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, ejection predetermined dose combustion gas to firing chamber, to carry out nailing percussion.And when making firing chamber automatically fall by gravity after contact release, slurcocks departs from fuel reservoir, nozzle gets loose triggering block, thus closes under making the effect of proportional valve Returnning spring therein.
Because push pedal and fuel cavity lid are rationally separated from each other by the present embodiment, self-movement, therefore not only avoid release combustion gas unnecessary when opening fuel cavity lid, and when opening fuel cavity lid, the action of push pedal is unaffected, waste and the defect that cannot observe of the fuel caused because closing fuel cavity lid when thoroughly overcoming prior art work.
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 application claims.
Claims (6)
1. a fuel input actuator, comprise hinged fuel cavity lid above the fuel cavity of gas power tool outer casing, also comprise the push pedal coaxially hinged with described fuel cavity lid, described push pedal has walks around proportional valve above fuel reservoir and the lever arm extended towards direction, firing chamber, it is characterized in that: described lever arm has away from one end of hinging supporting shaft the surface of contact be connected with upper end, firing chamber, described lever arm has away from one end of surface of contact the slurcocks be connected with fuel cavity fuel storage tank; When described firing chamber is in upper extreme position, surface of contact one end of described lever arm rises, described slurcocks is in compressing fuel reservoir and forces proportional valve open position; When described firing chamber is in lower limit position, surface of contact one end of described lever arm has a down dip, and described slurcocks is in disengaging fuel reservoir and makes proportional valve reset closed position.
2. fuel input actuator according to claim 1, it is characterized in that: also have the rubber pad that upper end is installed on 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 are connected bonnet and combustion chamber lid respectively, described bonnet and combustion chamber lid extend a pair hinged ear respectively above fuel cavity, described fuel cavity lid and push pedal coaxially hinged in described hinged ear respectively by hinging supporting shaft.
4. there is a gas power instrument for fuel input actuator, comprise the shell that handle is extended in side, there is below described handle the level nail groove of disjunctor; The internal-combustion engine of tool for mounting combuster in described shell, the 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, also comprise the push pedal coaxially hinged with described fuel cavity lid, it is characterized in that: described push pedal has walks around proportional valve above fuel reservoir and the lever arm extended towards direction, firing chamber, described lever arm has away from one end of hinging supporting shaft the surface of contact be connected with upper end, firing chamber, and described lever arm has away from one end of surface of contact the slurcocks be connected with fuel cavity fuel storage tank; When described firing chamber is in upper extreme position, surface of contact one end of described lever arm rises, described slurcocks is in compressing fuel reservoir and forces proportional valve open position; When described firing chamber is in lower limit position, surface of contact one end of described lever arm has a down dip, and described slurcocks is in disengaging fuel reservoir and makes proportional valve reset closed position.
5. gas power instrument according to claim 4, is characterized in that: also have the rubber pad that upper end is installed on hinging supporting shaft, and 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 are connected bonnet and combustion chamber lid respectively, described bonnet and combustion chamber lid extend a pair hinged ear respectively above fuel cavity, described fuel cavity lid and push pedal coaxially hinged in described hinged ear respectively by hinging supporting shaft.
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 CN103821642A (en) | 2014-05-28 |
| CN103821642B true CN103821642B (en) | 2016-03-30 |
Family
ID=50756887
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103821642B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN157475B (en) * | 1981-01-22 | 1986-04-05 | Signode Corp | |
| JP4923436B2 (en) * | 2005-05-10 | 2012-04-25 | マックス株式会社 | Gas fired driving tool |
| JP4760295B2 (en) * | 2005-10-22 | 2011-08-31 | マックス株式会社 | Stapler clincher device |
| JP2008255813A (en) * | 2007-04-02 | 2008-10-23 | Max Co Ltd | Gas internal combustion type nail driver |
| CN101961859B (en) * | 2010-10-20 | 2012-07-04 | 南京腾亚精工科技有限公司 | Gas power nail gun |
-
2014
- 2014-02-10 CN CN201410045944.0A patent/CN103821642B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103821642A (en) | 2014-05-28 |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
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. |
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| CP01 | Change in the name or title of a patent holder |