CN103527368B - A kind of engine pump oil machine structure - Google Patents
A kind of engine pump oil machine structure Download PDFInfo
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- CN103527368B CN103527368B CN201310428429.6A CN201310428429A CN103527368B CN 103527368 B CN103527368 B CN 103527368B CN 201310428429 A CN201310428429 A CN 201310428429A CN 103527368 B CN103527368 B CN 103527368B
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- pump
- outermost layer
- check valve
- mount pad
- bleed ports
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Abstract
The invention discloses a kind of engine pump oil machine structure, comprise the pump outermost layer of skin bowl being connected in air filter, described air filter has pump gas passage, described pump outermost layer of skin bowls has bleed ports and by bleed ports and pump gas channel connection, described bleed ports is connected with and in the time of air inlet, is communicated with ventilation, the oily check valve of closed gear in the time of exhaust, described check valve comprises valve body, in described valve body, there is the valve pocket that can be communicated with pump outermost layer of skin bowl and pump gas passage, described valve body is provided with two flaps, between two flaps, having can be by the ventilation gap of valve pocket and pump gas channel connection, two flaps can be pressed close to mutually by valve pocket and pump gas passage partition. realize the stifled oily effect of ventilation by check valve, can prevent that gasoline and steam thereof from spilling or scurrying out in pump oil machine structure, simple in structure, reliable operation.
Description
Technical field
The present invention relates to a kind of engine pump oil machine structure.
Background technology
Gasoline engine Beng You device mechanism on existing market is because this is as the needs that ensure ventilation, on pump outermost layer of skin bowlBeing provided with straight open to atmosphere passage, there is following problem in this structure: 1) pump outermost layer of skin bowl leads directly to by pipelineThe float chamber of carburetor, float indoor storage be gasoline, because gasoline has extremely strong volatility at normal temperatures,So the direct passage by pipeline and pump outermost layer of skin bowl of gasoline vapor meeting is discharged to atmosphere, not environmental protection, causes waveTake, can not meet up-to-date miniature gasoline engine discharge vaporization requirement; 2) engine is being turned forward necessarilyAfter angle, the gasoline of carburetor bowl can arrive in pump outermost layer of skin bowl by pipeline, and directly from pump outermost layer of skin bowlPassage in flow out, because gasoline is inflammable articles, when gasoline flow out after, there is great potential safety hazard.
Summary of the invention
Problem to be solved by this invention is to provide a kind of engine pump oil machine structure, can prevent gasoline and steam thereofIn pump oil machine structure, spill or scurry out, simple in structure, reliable operation.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of engine pump oil machine structure,Comprise the pump outermost layer of skin bowl being connected in air filter, described air filter has pump gas passage, described pump outermost layer of skin bowlsHave bleed ports and by bleed ports and pump gas channel connection, described bleed ports be connected with in the time of air inlet, be communicated with ventilation,The oily check valve of closed gear in the time of exhaust, described check valve comprises valve body, in described valve body, has and can be communicated with pumpThe valve pocket of outermost layer of skin bowl and pump gas passage, described valve body is provided with two flaps, and between two flaps, having can be by valveThe ventilation gap of chamber and pump gas channel connection, two flaps can be pressed close to mutually by valve pocket and pump gas passage partition.Realize the stifled oily effect of ventilation by check valve, in the time pressing pump outermost layer of skin bowl, pump outermost layer of skin bowl and check valve itBetween air be compressed, produce the air pressure higher than standard atmospheric pressure, two flaps of check valve are at natureThe gap of mutually pressing close under state, ventilate is closure state, and the air pressure between pump outermost layer of skin bowl and check valve reachesCertain value, its pressure-acting overcomes after the elastic force effect of check valve self in the inwall of valve pocket, struts two valvesOpen in the lobe gap that makes to ventilate, and reaches the object of forward ventilation; The air pressure that gasoline or gasoline vapor produce extremelySmall, can be similar to standard atmospheric pressure, the air pressure that now gasoline or gasoline vapor produce and pump outermost layer of skin bowlWith standard atmospheric pressure between check valve acts on the inside and outside wall of valve body simultaneously, its active force is offset completely voluntarily,Cannot make check valve produce distortion, therefore cannot make to open in the ventilation gap of closure state, reach thusThe object of oppositely stifled gasoline, stifled gasoline vapor.
Improved, described bleed ports is provided with mount pad, and described check valve is inserted into mount pad along airintake directionUpper, described mount pad is inserted in bleed ports along discharge directions. Realize check valve and pump oil by mount padThe connection of leather cup.
Improved, described mount pad has the location division that plug-in mounting check valve is used, and on the lateral wall of described valve body, establishesHave cannelure, described location division is connected in cannelure. Location division is connected in cannelure and is installed to realizeSeat and the axial location of cannelure.
Improved, described mount pad has the location division being plugged in bleed ports, on the outer wall of described location divisionBe provided with anticreep step. Prevent pump outermost layer of skin bowl to be out of shape when compressed and cause gas leakage and come off.
Improved, described air filter is provided with installing hole, described pump outermost layer of skin bowl, mount pad and check valve locationIn installing hole. Locate pump outermost layer of skin bowl, mount pad and check valve by installing hole.
Improved, described mount pad is provided with draw-in groove away from the end face of check valve, on the diapire of described installing holeBe provided with and the projection of draw-in groove clamping, the lateral wall of described mount pad and the madial wall of installing hole are sealed and matched. LogicalCross draw-in groove and protruding cooperation and realize the radial location of mount pad, and pass through lateral wall and the installing hole of mount padMadial wall be sealed and matched prevent gas leakage.
Improved, on described pump outermost layer of skin bowl, bleed ports place end is provided with positioning step, the inner side of described installing holeWall is provided with the locating convex block with positioning step corresponding matching, the right side of described locating convex block and positioning stepLeft side connect, the lateral wall of described positioning step and the madial wall of installing hole are sealed and matched. By fixedThe diapire of position projection and installing hole realize to pump outermost layer of skin bowl, mount pad axial location, outside positioning stepThe effect that is sealed and matched and plays radial location and prevent gas leakage of the madial wall of sidewall and installing hole.
Improved, described air filter is connected with carburetor, between the float chamber of described carburetor and pump gas passageBe communicated with by pump tracheae, the two ends of described pump tracheae are equipped with pipe clamp. Be communicated with carburetor and sky by pump tracheaeFilter, pump outermost layer of skin bowl, by pipe clamp arrange ensure pump tracheae and carburetor, air filter are connected firmly, noEasily depart from, avoid gas leakage simultaneously.
Beneficial effect:
Adopt after technique scheme, a kind of engine pump of this invention oil machine structure is in the bleed ports setting of pump outermost layer of skin bowlCheck valve, realizes the stifled oily effect of ventilation by check valve, in the time pressing pump outermost layer of skin bowl, at pump outermost layer of skin bowl andAir between check valve is compressed, and produces the air pressure higher than standard atmospheric pressure, two valves of check valveThe lobe gap of mutually pressing close to, ventilate under nature is closure state, between pump outermost layer of skin bowl and check valveAir pressure reaches certain value, and its pressure-acting overcomes in the inwall of valve pocket after the elastic force effect of check valve self,Strut the two flaps gap that makes to ventilate and open, reach the object of forward ventilation; Gasoline or gasoline vapor produceAir pressure is extremely small, can be similar to standard atmospheric pressure, the air pressure that now gasoline or gasoline vapor produce andStandard atmospheric pressure between pump outermost layer of skin bowl and check valve acts on the inside and outside wall of valve body simultaneously, and its active force is completeOffset voluntarily, cannot make check valve produce distortion, therefore cannot make to open in the ventilation gap of closure state,Reach thus the object of oppositely stifled gasoline, stifled gasoline vapor, simple in structure, reliable operation.
Brief description of the drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is explosive view of the present invention;
Fig. 2 is sectional structure chart of the present invention;
Fig. 3 is the sectional structure chart of air filter;
Fig. 4 is the structural representation of check valve;
Fig. 5 is the air-suction state sectional structure chart of check valve;
Fig. 6 is the exhaust condition sectional structure chart of check valve;
Fig. 7 is the sectional structure chart of pump outermost layer of skin bowl;
Fig. 8 is the sectional structure chart of mount pad;
The enlarged drawing at A place in Fig. 8 that Fig. 9 is.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, a kind of engine pump oil machine structure, comprises the pump being connected in air filter 2Outermost layer of skin bowl 1, described air filter has pump gas passage 4, and described pump outermost layer of skin bowls has bleed ports 11 and by drawingGas port and pump gas channel connection, described bleed ports is provided with mount pad 6, and described mount pad is connected with check valve 5,Described check valve is inserted on mount pad along airintake direction, and described mount pad is inserted into and draws along discharge directionsIn gas port, described air filter is provided with installing hole 21, and described pump outermost layer of skin bowl, mount pad and check valve are positioned atIn installing hole, described air filter is connected with carburetor 3, logical between the float chamber of described carburetor and pump gas passageCross pump tracheae 8 and be communicated with, the two ends of described pump tracheae are equipped with pipe clamp 9.
As shown in Figure 4, Figure 5 and Figure 6, described check valve comprises valve body 51, has and can connect in described valve bodyThe valve pocket of logical pump outermost layer of skin bowl and pump gas passage, described valve body is provided with between 53, two flaps of two flaps to be had52, two, the ventilation gap flap of valve pocket and pump gas channel connection can be pressed close to mutually logical to valve pocket and pump gasRoad cuts off, and the lateral wall of described valve body is provided with cannelure 54. The material of described check valve is rubber.
As shown in Figure 5, pump gas operation principle: in the time pressing pump outermost layer of skin bowl 1, at pump outermost layer of skin bowl and check valveBetween air be compressed, produce one higher than atmospheric air pressure P1, two flaps 53 of check valve fromSo under state, mutually press close to, ventilate gap 52 for closure state, when P1 reaches certain value, its pressure is doneFor overcoming after the elastic force effect of rubber on the inwall of check valve valve pocket, strut two flaps make to ventilate 52 dozens, gapOpen, reach the object of forward ventilation, gas arrives the float of carburetor 3 by pump gas passage, pump tracheae 8Chamber, under the effect of air pressure, the gasoline in float chamber is pumped to the air intake duct of engine, thereby ensures smoothlyStarting, when gas flows out after a part by ventilation gap, the air pressure P1 between pump outermost layer of skin bowl and check valve fallsLow, cannot overcome the elastic force effect of rubber one way valve, under the effect of self elastic rubber two flaps mutually press close to,Ventilation gap returns to again closure state.
As shown in Figure 6, the operation principle of gear gasoline and steam thereof: the air pressure that gasoline or gasoline vapor produceExtremely small, can be similar to standard atmospheric pressure P0, now air pressure P0 act on simultaneously check valve valve body inOuter wall, its active force is offset completely voluntarily, cannot make check valve produce distortion, therefore cannot make in closureOpen in the ventilation gap of state, reaches thus the object of oppositely stifled gasoline, stifled gasoline vapor.
As shown in Figure 7, on described pump outermost layer of skin bowl, bleed ports place end is provided with positioning step 12, described installing holeMadial wall be provided with and the locating convex block 72 of positioning step corresponding matching, the right side of described locating convex block withThe left side of positioning step connects, and the lateral wall of described positioning step and the madial wall of installing hole are sealed and matched,As preferably, described locating convex block is the bar shaped projection along the circumferential setting of installing hole, described convexPiece is provided with four and being circumferentially evenly arranged along installing hole.
As shown in Figure 8 and Figure 9, described mount pad has the location division 61 that plug-in mounting check valve uses and is plugged inCartridge part 62 in bleed ports, described location division is connected in cannelure, and the outer wall of described cartridge part is provided withAnticreep step 63, described mount pad is provided with draw-in groove 64 away from the end face of check valve, as preferably, described inDraw-in groove is annular groove, and the diapire of described installing hole is provided with the projection 71 with draw-in groove clamping, described installationThe lateral wall of seat and the madial wall of installing hole are sealed and matched.
The cannelure 54 of the location division of described mount pad 6 and check valve 5, draw-in groove 64 and the installing hole of mount padLocating convex block on projection 71 on 21 diapires, the positioning step of pump outermost layer of skin bowl 1 12 and installing hole madial wall72 and the positioning step of pump outermost layer of skin bowl and the madial wall of installing hole be all sealed and matched, therefore gasoline and steaming thereofLeaking, scurry out in the position that vapour also can not be sealed and matched from these, thereby has reached the stifled oily object of ventilation.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art canMake various changes and distortion according to the present invention, only otherwise depart from spirit of the present invention, all should belong to the present inventionThe defined scope of claims.
Claims (4)
1. an engine pump oil machine structure, comprises the pump outermost layer of skin bowl (1) being connected in air filter (2), described air filterUtensil has pump gas passage (4), and described pump outermost layer of skin bowls has bleed ports (11) and by bleed ports and pump gasChannel connection, is characterized in that: described bleed ports is connected with and in the time of air inlet, opens ventilation, in the time of exhaust, closesClose the oily check valve (5) of gear, described check valve comprises valve body (51), in described valve body, has and can be communicated withThe valve pocket of pump outermost layer of skin bowl and pump gas passage, described valve body is provided with two flaps (53), between two flapsHaving can be by the ventilation gap (52) of valve pocket and pump gas channel connection, and two flaps can be pressed close to mutually by valveChamber and pump gas passage cut off, and described bleed ports is provided with mount pad (6), and described check valve is along airintake directionBe inserted on mount pad, described mount pad is inserted in bleed ports along discharge directions, described mount pad toolHave the cartridge part (62) being plugged in bleed ports, the outer wall of described cartridge part is provided with anticreep step (63),Described air filter is provided with installing hole (21), and described pump outermost layer of skin bowl, mount pad and check valve are positioned at peaceIn dress hole, described mount pad is provided with draw-in groove (64), the end of described installing hole away from the end face of check valveWall is provided with projection (71), the lateral wall of described mount pad and the madial wall of installing hole with draw-in groove clampingBe sealed and matched.
2. a kind of engine pump oil machine structure according to claim 1, is characterized in that: described mount pad has slottingThe location division (61) that dress check valve is used, the lateral wall of described valve body is provided with cannelure (54), described fixedPosition portion is connected in cannelure.
3. a kind of engine pump oil machine structure according to claim 1, is characterized in that: on described pump outermost layer of skin bowl, drawGas port place end is provided with positioning step (12), and the madial wall of described installing hole is provided with and positioning step pairThe locating convex block (72) that should coordinate, the right side of described locating convex block and the left side of positioning step offsetConnect, the lateral wall of described positioning step and the madial wall of installing hole are sealed and matched.
4. a kind of engine pump oil machine structure according to claim 1, is characterized in that: described air filter is connected withCarburetor (3), is communicated with by pump tracheae (8) between the float chamber of described carburetor and pump gas passage,The two ends of described pump tracheae are equipped with pipe clamp (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428429.6A CN103527368B (en) | 2013-09-18 | 2013-09-18 | A kind of engine pump oil machine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428429.6A CN103527368B (en) | 2013-09-18 | 2013-09-18 | A kind of engine pump oil machine structure |
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| Publication Number | Publication Date |
|---|---|
| CN103527368A CN103527368A (en) | 2014-01-22 |
| CN103527368B true CN103527368B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310428429.6A Active CN103527368B (en) | 2013-09-18 | 2013-09-18 | A kind of engine pump oil machine structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110392198A (en) * | 2019-08-01 | 2019-10-29 | 北京百度网讯科技有限公司 | Filming apparatus |
| CN110792539B (en) * | 2019-11-25 | 2023-11-21 | 浙江威泰汽配有限公司 | Fuel oil filtering filter element with exhaust valve structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3430933A (en) * | 1967-12-14 | 1969-03-04 | Melvin C Taggart | Primer attachment for carburetors |
| US6533254B1 (en) * | 2001-10-05 | 2003-03-18 | Walbro Corporation | Carburetor fuel pump |
| CN1484733A (en) * | 2000-10-20 | 2004-03-24 | �ٹ��� | Priming system for an engine carburetor |
| CN203532119U (en) * | 2013-09-18 | 2014-04-09 | 浙江亚特电器有限公司 | Engine oil pumping mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4679534A (en) * | 1986-02-25 | 1987-07-14 | Tecumseh Products Company | Primer for float-type carburetors |
| JP2527983B2 (en) * | 1987-12-04 | 1996-08-28 | 株式会社ウオルブローフアーイースト | Vaporizer starting fuel supply device |
-
2013
- 2013-09-18 CN CN201310428429.6A patent/CN103527368B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3430933A (en) * | 1967-12-14 | 1969-03-04 | Melvin C Taggart | Primer attachment for carburetors |
| CN1484733A (en) * | 2000-10-20 | 2004-03-24 | �ٹ��� | Priming system for an engine carburetor |
| US6533254B1 (en) * | 2001-10-05 | 2003-03-18 | Walbro Corporation | Carburetor fuel pump |
| CN203532119U (en) * | 2013-09-18 | 2014-04-09 | 浙江亚特电器有限公司 | Engine oil pumping mechanism |
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| CN103527368A (en) | 2014-01-22 |
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Denomination of invention: An engine oil pump mechanism Effective date of registration: 20210316 Granted publication date: 20160608 Pledgee: China Co. truction Bank Corp Jiaxing branch Pledgor: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. Registration number: Y2021330000188 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: Jiaxing City, Zhejiang province 314100 Nanhu District Yu Xin Zhen Industrial Zone North Water Road No. 1 Patentee before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |