CN202300748U - Valve seat of check valve and fuel filter manual pump - Google Patents
Valve seat of check valve and fuel filter manual pump Download PDFInfo
- Publication number
- CN202300748U CN202300748U CN2011204521989U CN201120452198U CN202300748U CN 202300748 U CN202300748 U CN 202300748U CN 2011204521989 U CN2011204521989 U CN 2011204521989U CN 201120452198 U CN201120452198 U CN 201120452198U CN 202300748 U CN202300748 U CN 202300748U
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- Prior art keywords
- way valve
- face
- valve seat
- fuel
- hand pump
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Abstract
The utility model provides a valve seat of a check valve the valve seat comprises a columnar main body, one or a plurality of hooks, a mounting hole, at least one through path and at least one annular groove used for containing a sealing element, wherein the columnar main body is provided with a first end surface, a second end surface and a surrounding side column surface; the one or a plurality of hooks outwards extend along the axial direction from the periphery of the first end surface or the position near the periphery of the first end surface; the check valve is installed in the mounting hole and the installing hole is a through hole arranged on the first end surface and the second end surface; the through path surrounds the mounting hole; and the annular groove is arranged on the surrounding side column surface. The utility model also provides a fuel filter manual pump with the valve seat of a check valve.
Description
Technical field
The utility model relates to the fuel filter hand pump, especially fuel filter rotation fitting type hand pump.
Background technique
The effect of fuel filter hand pump is: first when using new filter cleaner with the oil for diesel engine fuel system pipeline in and air in the filter cleaner discharge.Can the fuel oil in the fuel tank be filled with filter cleaner and fuel pipe through the low pressure oil circuit through pushing hand pump, thereby guarantee no air existence in the fuel pipe when engine operation, guarantee to start normal startup of function and work.
The oil circuit that Fig. 1 shows fuel filter hand pump of the prior art connects schematic representation.From Fig. 1, can see; When the new filter cleaner of first use (shown in dotted arrow among the figure); When pushing the hand pump exhaust; Fuel oil earlier gets into hand pump pump chambers 4 through the in line check valve assembly 3 of the oil-feed mouth of pipe 1, hand pump, and the fuel-displaced check valve assembly 5 through hand pump flows into fuel filters 2 again, after filtering through fuel filter again via the fuel-displaced mouth of pipe 6 inflow engine fuel pipes 7.Through the repeated presses hand pump, fuel oil can be full of fuel filter 2 and fuel pipe 7 gradually, thereby reaches the effect of discharging the air in the new filter cleaner.When the motor proper functioning (shown in solid arrow among the figure), this manual air pump inoperative, promptly fuel oil directly flows out the fuel-displaced mouth of pipe 6 inflow fuel pipes 7 through the oil-feed mouth of pipe 1 after fuel filter 2 filters.In this existing technology, the fuel oil of filtered flows directly into hand pump, and the impurity in the fuel oil can cause the inefficacy of hand pump one-way valve, the reduction of hand pump oil efficient etc.
In addition, the unidirectional valve seat of fuel filter hand pump of the prior art is made of aluminum usually, influences the degree of purity in the oil-fired system unfriendly thereby be prone to produce the aluminium bits when press-fiting valve seat.Simultaneously, the unidirectional valve seat of this aluminum is installed in the hand pump housing through artificial gluing usually, causes artificial and cost of production is higher, installation work-hour is longer.
The model utility content
The purpose of the utility model provides a kind of improvement valve seat that overcomes shortcoming of the prior art, and a kind of fuel filter hand pump with said valve seat.
The utility model provides a kind of one-way valve seat, and this one-way valve seat comprises: the main body of a column, have first end face, second end face and around the lateral column face; One or more grab, said grab is from axial direction protruding near the peripheral region of said first end face of said main body or the periphery; A mounting hole that is used to install one-way valve, said mounting hole are provided in a side of the through hole on said first end face and second end face; At least one distribution channel, said at least one distribution channel is arranged around said mounting hole; And at least one is used to hold the annular recess of Sealing, said annular recess be located at said around the lateral column face on.The installation of one-way valve seat be can realize simplifying through said structure design, thereby artificial and cost of production, minimizing installation work-hour reduced.
In a preferred embodiment, said grab is at least three, and said grab is from axial direction protruding near the peripheral region of said first end face of said main body or the periphery and radially be spaced apart from each other.
In a preferred embodiment, on said second end face, also be provided with at least three grabs, at least three grabs on said second end face are from axial direction protruding near the peripheral region of said second end face or the periphery and radially be spaced apart from each other.According to this embodiment, one-way valve seat can be installed in the hand pump housing by chucking along positive and negative both direction, thereby has improved the use flexibility of this one-way valve seat.
In a preferred embodiment, said one-way valve seat is selected from following material: synthetic, polypropylene, PVC, polypropylene modified material that nylon, nylon and 10-80% platinum are plumbous.According to this embodiment, both overcome the problem that press-fits the easy generation of aluminum valve seat aluminium bits in the existing technology, suitable intensity and toughness also can be provided.
In a preferred embodiment, the said mounting hole that is used to install one-way valve has tapering.According to this embodiment, make that the installation of one-way valve is easier.
In a preferred embodiment, said at least three grabs on said first end face and/or said second end face are radially uniformly-spaced arranged.According to this embodiment, make that the one-way valve seat assembling is more firm, stressed more even.
In a preferred embodiment, be symmetrical at said at least three grabs on said first end face and said at least three grabs on said second end face.In another preferred embodiment, be asymmetric at said at least three grabs on said first end face and said at least three grabs on said second end face.Thus, the grab on first end face and second end face is set according to the actual requirements, the flexibility that has more improved assembling and used.
The utility model also provides a kind of fuel filter hand pump; Said fuel filter hand pump comprises: the in line check valve assembly; Comprise one-way valve seat and in line check valve according to the utility model, said one-way valve seat is installed in the said hand pump housing through said grab; Fuel-displaced check valve assembly comprises one-way valve seat and fuel-displaced one-way valve according to the utility model, and said one-way valve seat is installed in the said hand pump housing through said grab; And, the hand pump pump chamber, said hand pump pump chamber is communicated with the outlet of said in line check valve assembly with the inlet of said fuel-displaced check valve assembly.
In a preferred embodiment, the inlet of said in line check valve assembly is communicated with the outlet of fuel filter, and the outlet of said fuel-displaced check valve assembly is communicated with engine fuel oil system.According to this embodiment, because the filtration of fuel oil elder generation process fuel filter and then entering hand pump pump chamber, the fuel oil of cleaning is eliminated or has been reduced the possibility that causes one-way valve to lose efficacy because of impurity at least, so has prolonged the working life and the replacement cycle of hand pump.Because fuel oil is that process is filtered earlier, has therefore also reduced the requirement to fuel qualities, makes applicability wider, adapt to the vehicle fuel market of China more.In addition, also significantly improved pump oil efficient through this structural design.
In a preferred embodiment, thus be provided with in the said annular recess of said one-way valve seat between O shape circle and the said hand pump housing and form sealing engagement.According to this embodiment, with simply, mode has realized the sealing engagement between valve seat and the hand pump housing cheaply.
Description of drawings
With reference to accompanying drawing various embodiments of the present invention are described below, said embodiment only is to exemplary illustration of the present invention, is not intended to limit the scope of the invention.In each accompanying drawing, identical reference mark is represented same or analogous parts.In the accompanying drawing:
Fig. 1 is that fuel filter hand pump oil circuit of the prior art connects schematic representation;
Fig. 2 is the fuel filter hand pump oil circuit connection schematic representation according to an embodiment of the utility model;
Fig. 3 is the schematic perspective view according to the fuel filter hand pump of an embodiment of the utility model;
Fig. 4 is the schematic cross sectional view of fuel filter hand pump of an embodiment of the utility model;
Fig. 5 is the schematic perspective view according to the fuel filter hand pump one-way valve seat of an embodiment of the utility model; And
Fig. 6 is that the one-way valve seat according to an embodiment of the utility model is installed in the schematic partial cross-sectional view in the fuel filter hand pump.
Embodiment
Fig. 3 shows the schematic perspective view according to the fuel filter hand pump 100 of an embodiment of the utility model.Further describe the structure and the oil circuit trend of the fuel filter hand pump 100 of this embodiment below with reference to Fig. 2 and Fig. 4.
As shown in Figure 4, in a preferred embodiment, fuel filter hand pump 100 comprises: housing 11, and said housing is for example made of aluminum; The oil-feed mouth of pipe 1, one end is communicated with low pressure oil circuit (not shown), and the other end is communicated to the inlet of fuel filter 2; Be used to install the port 8 of fuel filter, be communicated with the outlet of fuel filter 2; In line check valve assembly 3 comprises one-way valve seat 20 and in line check valve 30 according to an embodiment of the utility model; Fuel-displaced check valve assembly 5 comprises one-way valve seat 20 ' and in line check valve 30 ' according to an embodiment of the utility model; Hand pump gland 12; Thereby it is assemblied in the hand pump pump chamber 4 that forms sealing on the said housing 11; In hand pump pump chamber 4, be provided with spring 13 and be used for the said hand pump gland 12 of bias voltage, said hand pump pump chamber 4 is communicated with the outlet of said in line check valve assembly 3 with the inlet of said fuel-displaced check valve assembly 5; And the fuel-displaced mouth of pipe 6, one ends are communicated to the outlet of fuel-displaced check valve assembly 5, and the other end is communicated with fuel pipe 7 (not shown).Because existing various fuel filter hand pumps in the existing technology, its function is well-known to those skilled in the art with forming member, so do not remake detailed description for these parts this paper, only the improvements to the utility model are described in detail.
Obviously visible like Fig. 2 and 4; In a preferred embodiment; The inlet of the in line check valve assembly 3 of hand pump 100 is communicated with the outlet of fuel filter 2, and the outlet of the fuel-displaced check valve assembly 5 of hand pump 100 is communicated with engine fuel pipeline 7 (for example high-pressure common rail) through the fuel-displaced mouth of pipe 6.Through such structural design, hand pump 100 is worked as follows:
(1) when the new filter cleaner of first use (shown in dotted arrow among the figure); When pushing hand pump gland 12 and carry out exhaust; Fuel oil gets into fuel filter 2 through the oil-feed mouth of pipe 1 earlier; Through the in line check valve assembly 3 entering hand pump pump chambers 4 of the fuel oil after fuel filter 2 filtrations through hand pump, the fuel-displaced check valve assembly 5 through hand pump flows to the fuel-displaced mouth of pipe 6 again, last inflow engine fuel pipe 7.Understand easily, when the gland 12 of hand pump 100 was depressed, in line check valve 30 was closed, and fuel-displaced one-way valve 30 ' is opened, and the fuel oil in the hand pump pump chamber 4 is pressed in the fuel pipe 7 through fuel-displaced one-way valve 30 '; The biasing force that receives spring 13 when the gland 12 of hand pump 100 is during by jack-up, and fuel-displaced one-way valve 30 ' is closed, and in line check valve 30 is opened, and fuel oil is sucked fuel filter 2 and hand pump pump chamber 4 through the oil-feed mouth of pipe 1 by pump; Through repeated presses hand pump 100, fuel oil can be full of fuel filter 2 and fuel pipe 7 gradually, thereby reaches the effect of discharging the air in the new filter cleaner;
(2) when the motor proper functioning (in figure shown in the solid arrow), this manual air pump inoperative, promptly fuel oil directly flow to the fuel-displaced mouth of pipe 6 through the oil-feed mouth of pipe 1 after fuel filter 2 filters, again and then flow into fuel pipe 7.
Significantly; Compare with existing technology shown in Figure 1; In this preferred embodiment; Because through filtration and then the entering hand pump pump chamber 4 of fuel filter 2, eliminate or at least reduced the possibility that because of impurity cause one-way valve lost efficacy, therefore prolonged working life and the replacement cycle of hand pump earlier by the fuel oil of cleaning for fuel oil.Because fuel oil is that process is filtered earlier, has therefore also reduced the requirement to fuel qualities, makes applicability wider, adapt to the vehicle fuel market of China more.In addition, also significantly improved pump oil efficient through this structural design.
Fig. 5 is the schematic perspective view according to the one-way valve seat 20 (or 20 ') of the fuel filter hand pump 100 of an embodiment of the utility model.Visible from figure, this one-way valve seat 20 comprises the main body 28 of a column, have first end face 26, second end face 27 and around lateral column face 29.Although the main body of said column shown in Fig. 5 28 is cylindric; But one of ordinary skill in the art will readily recognize that the main body 28 according to this column of actual conditions also can be that cross section is that polygonal prism or cross section are that oval-shaped cylinder or cross section are the main body of other suitable shapes.This one-way valve seat 20 also comprises one, two or more a plurality of grabs.Exemplarily, this one-way valve seat also can be to comprise one from axial direction outwardly directed integrated type grab, perhaps two radially isolated grabs near the peripheral region of first end face 26 of main body 28 or the periphery.Preferably; This one-way valve seat 20 comprises at least three grabs; Be used for tightening the housing 11 (shown in Fig. 4 and 6) that is installed to the fuel filter hand pump, said at least three grabs are from axial direction protruding near the peripheral region of said first end face 26 of said main body 28 or the periphery and preferably radially be spaced apart from each other.As shown in Figure 5, in this embodiment, this one-way valve seat 20 has three grab 21a, 21b and 21c, and has three in axial direction protruding and preferably radially isolated bump 41a, 41b and 41c.Preferably, as shown in the figure, grab and bump are respectively arranged each other.One of ordinary skill in the art will readily recognize that said three bumps also can be designed as grab, to strengthen the chucking effect.
In addition, according to an embodiment preferred, on said second end face 27, also can be provided with one, two or at least three grabs.Preferably, at least three grabs on said second end face 27 are from axial direction protruding near the peripheral region of said second end face 27 or the periphery and preferably radially be spaced apart from each other.Shown in the embodiment of Fig. 5; Preferably; This one-way valve seat 20 has three grab 22a, 22b and 22c on second end face 27, and has three bump 42a, 42b and 42c in axial direction protruding and that preferably radially be spaced apart from each other.Likewise, said three bumps also can be designed as grab, to strengthen the chucking effect.
One of ordinary skill in the art will readily recognize that on first end face 26 and second end face 27 all to be provided with grab, make this one-way valve seat 20 to be installed in the hand pump housing 11 by chucking along positive and negative both direction, thus the use flexibility that has improved this one-way valve seat 20.In a preferred embodiment, at least three grabs on first end face 26 and/or second end face 27 are radially uniformly-spaced arranged, make that assembling is more firm, stressed more even.Although shown in Fig. 5, grab and/or bump on first end face 26 and second end face 27 are symmetrical, understand easily, and according to actual needs, grab on first end face 26 and second end face 27 and/or bump also can be asymmetric.Equally, one of ordinary skill in the art will readily recognize that grab and/or the bump that any amount can be set according to actual needs.
As shown in Figure 5, this one-way valve seat 20 also has a mounting hole 23 that is used to install one-way valve 30, and said mounting hole 23 is provided in a side of the through hole on said first end face 26 and second end face 27.This one-way valve seat 20 also has at least one distribution channel 24, and said at least one distribution channel 24 is arranged around said mounting hole 23.In a preferred embodiment; Said one-way valve 30 (not shown in Fig. 5 and 6) is the umbrella valve that is inserted in the mounting hole 23; When one-way valve 30 is closed (one-way valve 30 is compressed against on the valve seat 20), distribution channel 24 is stated in the umbrella cover gland and the block residence of umbrella valve, when one-way valve 30 is opened (one-way valve 30 promotes 20 the surface of lifting off a seat); The umbrella cover of umbrella valve leaves said distribution channel 24, makes fluid to pass through.Certainly, one of ordinary skill in the art will readily recognize that said one-way valve also can be other suitable one-way valves; Distribution channel 24 also can be a plurality of continuous annular paths around mounting hole 33, or the path of other shapes of arranging with other suitable forms.In a preferred embodiment, the said mounting hole 23 that is used to install one-way valve has tapering (as shown in Figure 6), thereby is convenient to the installation of said one-way valve 30.
Said one-way valve seat 20 also has the annular recess that at least one is used to hold Sealing, said annular recess be located at said around the lateral column face on.In the embodiment of Fig. 5 and 6, one-way valve seat 20 has an annular recess 25, forms sealing engagement thereby be provided with in the said annular recess 25 between O shape circle and the said hand pump housing 11.
In a preferred embodiment, said one-way valve seat 20 is selected from following material: synthetic (PA66+GF10-80), polypropylene (PP), PVC (PVC), polypropylene modified material that nylon (PA66), nylon and 10-80% platinum are plumbous.According to this embodiment, both overcome the problem that press-fits the easy generation of aluminum valve seat aluminium bits in the existing technology, suitable intensity and toughness also can be provided.
Fig. 6 is that the one-way valve seat 20 according to an embodiment of the utility model is installed in the schematic partial cross-sectional view in the fuel filter hand pump 100.As shown in Figure 6, one-way valve seat 20 is installed in the hand pump housing 11 through said grab 22a, 22b and 22c (22a only is shown in the sectional drawing) chucking.
The valve seat that it is readily appreciated by a person skilled in the art that the utility model not only can be used as one-way valve seat, if the suitable valve seat that also can be used as the other types valve; The valve seat of the utility model not only can be used for the rotation fitting type hand pump, also can be used for other suitable hand pumps such as plunger type hand pump; Not only can be used for fuel filter hand pump (as above described in the stationery body embodiment), obviously also can be used for other suitable applications fields; And the fuel filter hand pump of the utility model not only can be used in the vehicle, and can be used for any other suitable moving and/or fixed equipment.
Those of ordinary skills also understand easily, and described in one embodiment of the invention one or more characteristics can be used in combination with the one or more characteristics in other embodiments of the present invention.Above-mentioned specific embodiments does not limit protection scope of the present invention.In addition, " first " in the application's specification or claims, " second " ... " a ", " b " ... only represent the differentiation one by one to a plurality of similar technical characteristicss do not represent to comprise that ordering waits other meanings.
Claims (10)
1. an one-way valve seat is characterized in that, this one-way valve seat comprises:
The main body of a column, have first end face, second end face and around the lateral column face;
One or more grabs, said grab is from axial direction protruding near the peripheral region of said first end face of said main body or the periphery;
A mounting hole that is used to install one-way valve, said mounting hole are provided in a side of the through hole on said first end face and second end face;
At least one distribution channel, said at least one distribution channel is arranged around said mounting hole; And
At least one is used to hold the annular recess of Sealing, said annular recess be located at said around the lateral column face on.
2. one-way valve seat according to claim 1 is characterized in that said grab is at least three, and said grab is from axial direction protruding near the peripheral region of said first end face of said main body or the periphery and radially be spaced apart from each other.
3. one-way valve seat according to claim 2; It is characterized in that; On said second end face, also be provided with at least three grabs, at least three grabs on said second end face are from axial direction protruding near the peripheral region of said second end face or the periphery and radially be spaced apart from each other.
4. according to each described one-way valve seat in the claim 1 to 3, it is characterized in that said one-way valve seat is selected from following material: synthetic, polypropylene, PVC, polypropylene modified material that nylon, nylon and 10-80% platinum are plumbous.
5. according to each described one-way valve seat in the claim 1 to 3, it is characterized in that the said mounting hole that is used to install one-way valve has tapering.
6. one-way valve seat according to claim 3 is characterized in that, said at least three grabs on said first end face are radially uniformly-spaced arranged; Said at least three grabs on said second end face are radially uniformly-spaced arranged.
7. one-way valve seat according to claim 3 is characterized in that, is symmetrical at said at least three grabs on said first end face and said at least three grabs on said second end face, perhaps
At said at least three grabs on said first end face and said at least three grabs on said second end face is asymmetric.
8. a fuel filter hand pump is characterized in that, said fuel filter hand pump comprises:
The in line check valve assembly comprises that according to each described one-way valve seat and in line check valve among the aforementioned claim 1-7, said one-way valve seat is installed in the said hand pump housing through said grab;
Fuel-displaced check valve assembly comprises that according to each described one-way valve seat and fuel-displaced one-way valve among the aforementioned claim 1-7, said one-way valve seat is installed in the said hand pump housing through said grab; And
The hand pump pump chamber, said hand pump pump chamber is communicated with the outlet of said in line check valve assembly with the inlet of said fuel-displaced check valve assembly.
9. fuel filter hand pump according to claim 8 is characterized in that, the inlet of said in line check valve assembly is communicated with the outlet of fuel filter, and the outlet of said fuel-displaced check valve assembly is communicated with engine fuel oil system.
10. according to Claim 8 or 9 described fuel filter hand pumps, it is characterized in that, be provided with in the said annular recess of said one-way valve seat O shape circle with and said hand pump housing between form sealing engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204521989U CN202300748U (en) | 2011-11-15 | 2011-11-15 | Valve seat of check valve and fuel filter manual pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204521989U CN202300748U (en) | 2011-11-15 | 2011-11-15 | Valve seat of check valve and fuel filter manual pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300748U true CN202300748U (en) | 2012-07-04 |
Family
ID=46369661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204521989U Expired - Lifetime CN202300748U (en) | 2011-11-15 | 2011-11-15 | Valve seat of check valve and fuel filter manual pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884781A (en) * | 2015-12-15 | 2017-06-23 | 安德烈·斯蒂尔股份两合公司 | Treat the delivery pump and the fuel system with delivery pump of manually handle |
| CN108049933A (en) * | 2017-11-17 | 2018-05-18 | 宁波迪尔威动力机械有限公司 | A kind of filtering seat of oil filter |
-
2011
- 2011-11-15 CN CN2011204521989U patent/CN202300748U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884781A (en) * | 2015-12-15 | 2017-06-23 | 安德烈·斯蒂尔股份两合公司 | Treat the delivery pump and the fuel system with delivery pump of manually handle |
| CN106884781B (en) * | 2015-12-15 | 2020-11-03 | 安德烈·斯蒂尔股份两合公司 | Transfer pump to be actuated manually and fuel system with transfer pump |
| CN108049933A (en) * | 2017-11-17 | 2018-05-18 | 宁波迪尔威动力机械有限公司 | A kind of filtering seat of oil filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HEFEI WAL FUEL SYSTEM CO., LTD. Free format text: FORMER NAME: WAL FUEL SYETEMS (HEFEI) LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 No. 59 Buddha Road, Hefei economic and Technological Development Zone, Anhui, China Patentee after: Hefei Weir oil-fired system limited company Address before: 230601 No. 59 Buddha Road, Hefei economic and Technological Development Zone, Anhui, China Patentee before: WAL Fuel Syetems (Hefei) Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 230000 No. 59 Buddha Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Anhui Weil Low Carbon Technology Co., Ltd Address before: 230601 No. 59 Buddha Road, Hefei economic and Technological Development Zone, Anhui, China Patentee before: Hefei Weir oil-fired system limited company |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |