CN203532119U - Engine oil pumping mechanism - Google Patents
Engine oil pumping mechanism Download PDFInfo
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- CN203532119U CN203532119U CN201320581869.0U CN201320581869U CN203532119U CN 203532119 U CN203532119 U CN 203532119U CN 201320581869 U CN201320581869 U CN 201320581869U CN 203532119 U CN203532119 U CN 203532119U
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- pump
- way valve
- air
- valve
- fitting seat
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Abstract
The utility model discloses an engine oil pumping mechanism. The engine oil pumping mechanism comprises an oil pumping packing cup connected to an air filter. The air filter is provided with an air pumping passage. The oil pumping packing cup is provided with an air induction port and is communicated with the air pumping passage through the air induction port. A one-way valve is connected to the air induction port, wherein the one-way valve is communicated for achieving ventilation during air intake and is closed for stopping oil during air exhaust. The one-way valve comprises a valve body, a valve cavity which can be communicated with the oil pumping packing cup and the air pumping passage is formed in the valve body, two valve clacks are also arranged in the valve body, a ventilation gap through which the valve cavity can be communicated with the air pumping passage is formed between the two valve clacks, and the two valve clacks can get close to each other so as to separate the valve cavity from the air pumping passage. The effects of ventilation and oil stop are achieved through the one-way valve, gasoline and steam of the gasoline can be prevented from leaking or volatilizing from the oil pumping mechanism, and the engine oil pumping mechanism is simple in structure and reliable in work.
Description
Technical field
The utility model relates to a kind of engine pump oil machine structure.
Background technique
Gasoline engine Beng You device mechanism on existing market is because this is as the needs that guarantee ventilation, on pump outermost layer of skin bowl, be provided with straight open to atmosphere vent, there is following problem in this structure: 1) pump outermost layer of skin bowl leads directly to the float chamber of Carburetor by pipeline, float indoor storage be gasoline, because gasoline has extremely strong volatility at normal temperatures, so the direct vent by pipeline and pump outermost layer of skin bowl of gasoline vapor meeting is discharged to atmosphere, not environmental protection, cause waste, can not meet up-to-date miniature gasoline engine discharge vaporization requirement; 2) motor is being turned forward after several angle, the gasoline of carburetor bowl can arrive in pump outermost layer of skin bowl by pipeline, and directly in the vent of pump outermost layer of skin bowl, flows out, and because gasoline is inflammable articles, after gasoline flows out, has great potential safety hazard.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of engine pump oil machine structure, can prevent that gasoline and steam thereof from spilling or scurrying out in pump oil machine structure, simple in structure, reliable operation.
In order to solve the problems of the technologies described above, the utility model adopts following technological 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 bowls has air entraining jet and by air entraining jet and pump gas channel connection, described air entraining jet is connected with and when air inlet, is communicated with ventilation, the oily one-way valve of closed gear when exhaust, described one-way 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.By one-way valve, realize the stifled oily effect of ventilation, when pressing pump outermost layer of skin bowl, air between pump outermost layer of skin bowl and one-way valve is compressed, produce the air pressure higher than standard atmospheric pressure, two flaps of the one-way valve gap of mutually pressing close to, ventilate under nature is closed state, air pressure between pump outermost layer of skin bowl and one-way valve reaches certain value, its pressure-acting overcomes after the elastic force effect of one-way valve self in the inwall of valve pocket, strut the two flaps gap that makes to ventilate and open, reach the object of forward ventilation; The air pressure that gasoline or gasoline vapor produce is extremely small, can be similar to standard atmospheric pressure, the air pressure that now gasoline or gasoline vapor produce and the standard atmospheric pressure between pump outermost layer of skin bowl and one-way valve act on the inside and outside wall of valve body simultaneously, its active force is offset completely voluntarily, cannot make one-way valve produce distortion, therefore cannot make to open in the ventilation gap of closed state, reach thus the object of oppositely stifled gasoline, stifled gasoline vapor.
Improved, described air entraining jet is provided with fitting seat, and described one-way valve is inserted on fitting seat along airintake direction, and described fitting seat is inserted in air entraining jet along discharge directions.By fitting seat, realize being connected of one-way valve and pump outermost layer of skin bowl.
Improved, described fitting seat has the positioning part that plug-in mounting one-way valve is used, and the outer side wall of described valve body is provided with circular groove, and described positioning part is connected in circular groove.Positioning part is connected in circular groove to realize the axially locating of fitting seat and circular groove.
Improved, described fitting seat has the positioning part being plugged in air entraining jet, and the outer wall of described positioning part is 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 mounting hole, and described pump outermost layer of skin bowl, fitting seat and one-way valve are positioned in mounting hole.By mounting hole, locate pump outermost layer of skin bowl, fitting seat and one-way valve.
Improved, described fitting seat is provided with draw-in groove away from the end face of one-way valve, and the diapire of described mounting hole is provided with the projection with draw-in groove clamping, and the outer side wall of described fitting seat and the madial wall of mounting hole are sealed and matched.By draw-in groove and protruding cooperation, realize the radial location of fitting seat, and by the outer side wall of fitting seat and the madial wall of mounting hole be sealed and matched prevent gas leakage.
Improved, on described pump outermost layer of skin bowl, air entraining jet place end is provided with positioning step, the madial wall of described mounting hole is provided with the locating bump with positioning step corresponding matching, the right side of described locating bump and the left side of positioning step connect, and the outer side wall of described positioning step and the madial wall of mounting hole are sealed and matched.Diapire by locating bump and mounting hole realize to pump outermost layer of skin bowl, fitting seat axially locating, the effect that is sealed and matched and plays radial location and prevent from leaking gas of the outer side wall of positioning step and the madial wall of mounting hole.
Improved, described air filter is connected with Carburetor, between the float chamber of described Carburetor and pump gas passage, by pump tracheae, is communicated with, and the two ends of described pump tracheae are equipped with pipe clamp.By pump tracheae, be communicated with Carburetor and air filter, pump outermost layer of skin bowl, by arranging of pipe clamp, guarantee pump tracheae and Carburetor, air filter are connected firmly, be difficult for departing from, avoid leaking gas simultaneously.
Beneficial effect:
Adopt after technique scheme, a kind of engine pump of this model utility oil machine structure arranges one-way valve at the air entraining jet of pump outermost layer of skin bowl, by one-way valve, realize the stifled oily effect of ventilation, when pressing pump outermost layer of skin bowl, air between pump outermost layer of skin bowl and one-way valve is compressed, produce the air pressure higher than standard atmospheric pressure, two flaps of one-way valve are mutually pressed close under nature, ventilation gap is closed state, air pressure between pump outermost layer of skin bowl and one-way valve reaches certain value, its pressure-acting overcomes after the elastic force effect of one-way valve self in the inwall of valve pocket, strutting the two flaps gap that makes to ventilate opens, reach the object of forward ventilation, the air pressure that gasoline or gasoline vapor produce is extremely small, can be similar to standard atmospheric pressure, the air pressure that now gasoline or gasoline vapor produce and the standard atmospheric pressure between pump outermost layer of skin bowl and one-way valve act on the inside and outside wall of valve body simultaneously, its active force is offset completely voluntarily, cannot make one-way valve produce distortion, therefore cannot make to open in the ventilation gap of closed state, reach thus the object of oppositely stifled gasoline, stifled gasoline vapor, simple in structure, reliable operation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
Fig. 1 is explosive view of the present utility model;
Fig. 2 is sectional structure chart of the present utility model;
Fig. 3 is the sectional structure chart of air filter;
Fig. 4 is the structural representation of one-way valve;
Fig. 5 is the air-suction state sectional structure chart of one-way valve;
Fig. 6 is the exhaust condition sectional structure chart of one-way valve;
Fig. 7 is the sectional structure chart of pump outermost layer of skin bowl;
Fig. 8 is the sectional structure chart of fitting seat;
The enlarged view at A place in Fig. 8 that Fig. 9 is.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of engine pump oil machine structure, comprise the pump outermost layer of skin bowl 1 being connected in air filter 2, described air filter has pump gas passage 4, described pump outermost layer of skin bowls has air entraining jet 11 and by air entraining jet and pump gas channel connection, described air entraining jet is provided with fitting seat 6, described fitting seat is connected with one-way valve 5, described one-way valve is inserted on fitting seat along airintake direction, described fitting seat is inserted in air entraining jet along discharge directions, described air filter is provided with mounting hole 21, described pump outermost layer of skin bowl, fitting seat and one-way valve are positioned in mounting hole, described air filter is connected with Carburetor 3, between the float chamber of described Carburetor and pump gas passage, by pump tracheae 8, 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 one-way valve comprises valve body 51, 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 53, between two flaps, having can be by the ventilation gap 52 of valve pocket and pump gas channel connection, two flaps can be pressed close to mutually by valve pocket and pump gas passage partition, and the outer side wall of described valve body is provided with circular groove 54.The material of described one-way valve is rubber.
As shown in Figure 5, pump gas working principle: when pressing pump outermost layer of skin bowl 1, air between pump outermost layer of skin bowl and one-way valve is compressed, produce one higher than atmospheric air pressure P1, two flaps 53 of one-way valve are mutually pressed close under nature, ventilation gap 52 is closed state, when P1 reaches certain value, its pressure-acting overcomes after the elastic force effect of rubber on the inwall of one-way valve valve pocket, strutting the two flaps gap 52 that makes to ventilate opens, reach the object of forward ventilation, gas is by pump gas passage, pump tracheae 8 arrives the float chamber of Carburetor 3, under the effect of air pressure, gasoline in float chamber is pumped to the intake duct of motor, thereby guarantee starting smoothly, when gas flows out after a part by ventilation gap, air pressure P1 between pump outermost layer of skin bowl and one-way valve reduces, cannot overcome the elastic force effect of rubber one way valve, under the effect of self elastic rubber, two flaps are pressed close to mutually, ventilation gap returns to again closed state.
As shown in Figure 6, the working principle of gear gasoline and steam thereof: the air pressure that gasoline or gasoline vapor produce is extremely small, can be similar to standard atmospheric pressure P0, now air pressure P0 acts on the inside and outside wall of one-way valve valve body simultaneously, its active force is offset completely voluntarily, cannot make one-way valve produce distortion, therefore cannot make to open in the ventilation gap of closed state, reach thus the object of oppositely stifled gasoline, stifled gasoline vapor.
As shown in Figure 7, on described pump outermost layer of skin bowl, air entraining jet place end is provided with positioning step 12, the madial wall of described mounting hole is provided with the locating bump 72 with positioning step corresponding matching, the right side of described locating bump and the left side of positioning step connect, the outer side wall of described positioning step and the madial wall of mounting hole are sealed and matched, as preferably, described locating bump is the bar shaped projection along the circumferential setting of mounting hole, and described locating bump is provided with four and being circumferentially evenly arranged along mounting hole.
As shown in Figure 8 and Figure 9, described fitting seat has the positioning part 61 that plug-in mounting one-way valve uses and is plugged in the cartridge part 62 in air entraining jet, described positioning part is connected in circular groove, the outer wall of described cartridge part is provided with anticreep step 63, described fitting seat is provided with draw-in groove 64 away from the end face of one-way valve, and as preferably, described draw-in groove is annular groove, the diapire of described mounting hole is provided with the projection 71 with draw-in groove clamping, and the outer side wall of described fitting seat and the madial wall of mounting hole are sealed and matched.
Locating bump 72 on projection 71 on the circular groove 54 of the positioning part of described fitting seat 6 and one-way valve 5, the draw-in groove 64 of fitting seat and mounting hole 21 diapires, the positioning step of pump outermost layer of skin bowl 1 12 and mounting hole madial wall and the positioning step of pump outermost layer of skin bowl and the madial wall of mounting hole are all sealed and matched, therefore leaking, scurry out in the position that gasoline and steam thereof also can not be sealed and matched from these, thereby has reached the stifled oily object of ventilation.
Except above preferred embodiment, the utility model also has other mode of execution, those skilled in the art can make various changes and distortion according to the utility model, only otherwise depart from spirit of the present utility model, all should belong to the defined scope of the utility model claims.
Claims (8)
1. an engine pump oil machine structure, comprise the pump outermost layer of skin bowl (1) being connected in air filter (2), described air filter has pump gas passage (4), described pump outermost layer of skin bowls has air entraining jet (11) and by air entraining jet and pump gas channel connection, it is characterized in that: described air entraining jet is connected with and when air inlet, opens ventilation, the oily one-way valve (5) of closed gear when exhaust, described one-way valve comprises valve body (51), 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 (53), between two flaps, having can be by the ventilation gap (52) of valve pocket and pump gas channel connection, two flaps can be pressed close to mutually by valve pocket and pump gas passage partition.
2. a kind of engine pump oil machine structure according to claim 1, is characterized in that: described air entraining jet is provided with fitting seat (6), and described one-way valve is inserted on fitting seat along airintake direction, and described fitting seat is inserted in air entraining jet along discharge directions.
3. a kind of engine pump oil machine structure according to claim 2, is characterized in that: described fitting seat has the positioning part (61) that plug-in mounting one-way valve is used, and the outer side wall of described valve body is provided with circular groove (54), and described positioning part is connected in circular groove.
4. a kind of engine pump oil machine structure according to claim 2, is characterized in that: described fitting seat has the cartridge part (62) being plugged in air entraining jet, and the outer wall of described cartridge part is provided with anticreep step (63).
5. a kind of engine pump oil machine structure according to claim 1, is characterized in that: described air filter is provided with mounting hole (21), and described pump outermost layer of skin bowl, fitting seat and one-way valve are positioned in mounting hole.
6. a kind of engine pump oil machine structure according to claim 5, it is characterized in that: described fitting seat is provided with draw-in groove (64) away from the end face of one-way valve, the diapire of described mounting hole is provided with the projection (71) with draw-in groove clamping, and the outer side wall of described fitting seat and the madial wall of mounting hole are sealed and matched.
7. a kind of engine pump oil machine structure according to claim 6, it is characterized in that: on described pump outermost layer of skin bowl, air entraining jet place end is provided with positioning step (12), the madial wall of described mounting hole is provided with the locating bump (72) with positioning step corresponding matching, the right side of described locating bump and the left side of positioning step connect, and the outer side wall of described positioning step and the madial wall of mounting hole are sealed and matched.
8. a kind of engine pump oil machine structure according to claim 1, it is characterized in that: described air filter is connected with Carburetor (3), between the float chamber of described Carburetor and pump gas passage, by pump tracheae (8), be communicated with, the two ends of described pump tracheae are equipped with pipe clamp (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581869.0U CN203532119U (en) | 2013-09-18 | 2013-09-18 | Engine oil pumping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581869.0U CN203532119U (en) | 2013-09-18 | 2013-09-18 | Engine oil pumping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532119U true CN203532119U (en) | 2014-04-09 |
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ID=50418334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320581869.0U Expired - Fee Related CN203532119U (en) | 2013-09-18 | 2013-09-18 | Engine oil pumping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527368A (en) * | 2013-09-18 | 2014-01-22 | 浙江亚特电器有限公司 | Engine oil pumping mechanism |
-
2013
- 2013-09-18 CN CN201320581869.0U patent/CN203532119U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527368A (en) * | 2013-09-18 | 2014-01-22 | 浙江亚特电器有限公司 | Engine oil pumping mechanism |
| CN103527368B (en) * | 2013-09-18 | 2016-06-08 | 浙江亚特电器有限公司 | A kind of engine pump oil machine structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20170918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |