CN208330592U - A kind of oil outlet structure of motor-vehicle fuel pump - Google Patents
A kind of oil outlet structure of motor-vehicle fuel pump Download PDFInfo
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- CN208330592U CN208330592U CN201820458019.4U CN201820458019U CN208330592U CN 208330592 U CN208330592 U CN 208330592U CN 201820458019 U CN201820458019 U CN 201820458019U CN 208330592 U CN208330592 U CN 208330592U
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- oil outlet
- closure
- rubber
- fuel
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Abstract
The utility model discloses a kind of oil outlet structures of motor-vehicle fuel pump, belong to fuel pump oil outlet structure field.A kind of oil outlet structure of motor-vehicle fuel pump, including fuel-displaced section, described fuel-displaced section is provided on the pump housing, and the oil extraction section being connected to fuel-displaced section is offered on the pump housing, and the diameter of the oil extraction section is greater than fuel-displaced section of diameter；The first oil outlet of the utility model and the second oil outlet are connected with closure rubber pad by the first buffer spring and are again sealed off, sealing effect is good, and it blocks rubber pad two sides and is respectively equipped with the first closure rubber stopper corresponding with the first oil outlet and the second oil outlet and the second closure rubber stopper, further effective sealing, ensure sealing effect, while the second buffer spring and the second closure sheet rubber further effectively play cushion seal effect.
Description
Technical field
The utility model relates to fuel pump oil outlet structure technical field more particularly to a kind of fuel-displaced knots of motor-vehicle fuel pump
Structure.
Background technique
Motorcycle is driven by gasoline engine, and by the two-wheeled or tricycle of bar handle front-wheel steer, light and flexible is travelled fast
Speed is widely used in patrol, passenger and freight transportation etc., also serves as sports movement apparatus, and in daily life, the demand of motorcycle is very
Greatly.
When existing gasoline engine fuel pump is closed, in order to ensure good leakproofness, the inner elements of check valve of oil extraction section passes through
The edge that the elastic force effect return of spring is resisted against fuel-displaced section blocks fuel-displaced section, anti-backflow, but is ensuring leakproofness
Meanwhile can be hit with fuel-displaced section of edge under the effect of the elastic force of spring, biggish noise can be generated, and frequently hit
It hits, so that nonreturn valve core is easily damaged.
Utility model content
When purpose of the utility model is to solve leakproofness is ensured in the prior art, biggish make an uproar can be generated
Sound, and frequently hitting, so that nonreturn valve core is easily damaged problem, and a kind of fuel-displaced knot of the motor-vehicle fuel pump proposed
Structure.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of oil outlet structure of motor-vehicle fuel pump, including fuel-displaced section, described fuel-displaced section is provided on the pump housing, the pump housing
On offer the oil extraction section being connected to fuel-displaced section, the diameter of the oil extraction section is greater than fuel-displaced section of diameter, sliding in the oil extraction section
Dynamic sealing is connected with mobile valve, and fixed plate is fixedly connected on the oil extraction section inner wall, is fixedly connected in the fixed plate
Spring, the spring are connected far from one end of fixed plate with mobile valve, and side of the mobile valve far from spring is fixed to be connected
Be connected to fuel-displaced section of matched closure column, be fixedly connected with first on the fuel-displaced section of inner wall and be slidingly sealed rubber, the closure
Fixing sleeve, which is connected to, on column is slidingly sealed rubber corresponding second with first and is slidingly sealed rubber, offered on the pump housing with it is fuel-displaced
Section is connected to the first oil outlet with oil extraction section, and the second oil outlet corresponding with the first oil outlet, institute are offered on the mobile valve
It states and closure rubber pad is connected with by the first buffer spring on mobile valve, the closure rubber pad two sides are respectively equipped with and first
Oil outlet and the second oil outlet corresponding first block rubber stopper and second blocks rubber stopper, lead on the first oil outlet inner wall
It crosses the second buffer spring and is connected with closure sheet rubber corresponding with the first closure rubber stopper.
Preferably, closure ring corresponding with the second closure rubber stopper is fixedly connected on the second oil outlet inner wall.
Preferably, it is fixedly connected with the first gasket on the closure rubber pad, is fixedly connected on the oil extraction section inner wall
There is the second gasket corresponding with the first gasket.
Preferably, it is fixedly connected with third on the mobile valve and is slidingly sealed rubber, is fixed on the oil extraction section inner wall
It is connected with and is slidingly sealed rubber the corresponding 4th with third and is slidingly sealed rubber.
Compared with prior art, the utility model provides a kind of oil outlet structure of motor-vehicle fuel pump, and having following has
Beneficial effect:
The oil outlet structure of the motor-vehicle fuel pump when mobile valve opening state, blocks rubber pad in the first buffer spring
Under the action of be unfolded, gasoline is by the first oil outlet and the second oil outlet oil extraction, and when mobile valve closed state, mobile valve is logical
It crosses closure rubber and the first buffer spring effectively buffers mobile valve and offsets with oil extraction section inner wall, reduce noise, effectively
Valve damage is avoided, first is fixedly connected on fuel-displaced section of inner wall and is slidingly sealed rubber, and blocks fixing sleeve on column and is connected to and the
One, which is slidingly sealed rubber corresponding second, is slidingly sealed rubber, effectively plays preliminary sealing effect, in addition the first oil outlet and
Second oil outlet is connected with closure rubber pad by the first buffer spring and is again sealed off, and sealing effect is good, and blocks rubber
Pad two sides are respectively equipped with corresponding with the first oil outlet and the second oil outlet first and block rubber stopper and the second closure rubber stopper, into
One step effectively seals, it is ensured that sealing effect, while the second buffer spring and the second closure sheet rubber further effectively rise
To cushion seal effect.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
While ensuring leakproofness, noise is reduced, valve damage is effectively avoided.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of motor-vehicle fuel pump one of the structural schematic diagram of oil outlet structure；
Fig. 2 be the utility model proposes a kind of motor-vehicle fuel pump one of the structural schematic diagram of oil outlet structure；
Fig. 3 be the utility model proposes a kind of motor-vehicle fuel pump oil outlet structure Fig. 1 in structural schematic diagram at A；
Fig. 4 be the utility model proposes a kind of motor-vehicle fuel pump oil outlet structure Fig. 2 in structural schematic diagram at B；
Fig. 5 be the utility model proposes a kind of motor-vehicle fuel pump oil outlet structure Fig. 3 in structural schematic diagram at C.
In figure: 1 pump housing, 2 fixed plates, 3 springs, 4 oil extraction sections, 5 fuel-displaced sections, 6 mobile valves, 7 second oil outlets, 8 first
Oil outlet, 9 first are slidingly sealed rubber, 10 second are slidingly sealed rubber, 11 closure columns, 12 the 4th are slidingly sealed rubber, 13 the
Three are slidingly sealed rubber, 14 closure rubber pads, 15 first buffer springs, 16 closure rings, 17 first closure rubber stoppers, 18 closure
Sheet rubber, 19 second buffer springs, 20 second sealing rubber pads, 21 first sealing rubber pads, 22 second block rubber stopper.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-5, a kind of oil outlet structure of motor-vehicle fuel pump, including fuel-displaced section 5, fuel-displaced section 5 is provided with the pump housing 1
On, the oil extraction section 4 being connected to fuel-displaced section 5 is offered on the pump housing 1, the diameter of oil extraction section 4 is greater than fuel-displaced section 5 of diameter, oil extraction section 4
It has inside been slidably and sealingly connected with mobile valve 6, fixed plate 2 is fixedly connected on 4 inner wall of oil extraction section, is fixedly connected in fixed plate 2
Spring 3, the one end of spring 3 far from fixed plate 2 are connected with mobile valve 6, and mobile valve 6 is fixedly connected far from the side of spring 3
Have with fuel-displaced section of 5 matched closure columns 11, first is fixedly connected on fuel-displaced section of 5 inner walls and is slidingly sealed rubber 9, is blocked on column 11
Fixing sleeve, which is connected to, to be slidingly sealed rubber 9 corresponding second with first and is slidingly sealed rubber 10, is offered on the pump housing 1 and fuel-displaced section 5
It is connected to the first oil outlet 8 with oil extraction section 4, second oil outlet 7 corresponding with the first oil outlet 8 is offered on mobile valve 6, it is mobile
It is connected on valve 6 by the first buffer spring 15 and blocks rubber pad 14, blocked 14 two sides of rubber pad and be respectively equipped with to go out with first
Oilhole 8 and the second oil outlet 7 corresponding first block rubber stopper 17 and second blocks rubber stopper 22, on 8 inner wall of the first oil outlet
Closure sheet rubber 18 corresponding with the first closure rubber stopper 17 is connected with by the second buffer spring 19.
Closure ring 16 corresponding with the second closure rubber stopper 22, sealing effect are fixedly connected on second oil outlet, 7 inner wall
It is good, further ensure leakproofness.
Block and be fixedly connected with the first gasket 21 on rubber pad 14, be fixedly connected on 4 inner wall of oil extraction section with it is first close
Corresponding second gasket 20 of packing 21 effectively seals the first oil outlet by the first gasket 21 and the second gasket 20
8, further ensure leakproofness.
It is fixedly connected with third on mobile valve 6 and is slidingly sealed rubber 13, is fixedly connected on 4 inner wall of oil extraction section and third
It is slidingly sealed rubber 13 the corresponding 4th and is slidingly sealed rubber 12, the effective sealing realized between mobile valve 6 and oil extraction section 4
Property, again ensure that leakproofness.
In the utility model, when 6 opening state of mobile valve, rubber pad 14 is blocked in the effect of the first buffer spring 15
Lower expansion, gasoline is by 7 oil extraction of the first oil outlet 8 and the second oil outlet, and when 6 closed state of mobile valve, mobile valve passes through
It blocks rubber 14 and the first buffer spring 15 effectively buffers mobile valve and offsets with 4 inner wall of oil extraction section, reduce noise, effectively
Avoid valve damage, first is fixedly connected on fuel-displaced section of 5 inner walls and is slidingly sealed rubber 9, and blocks and is fixedly attached on column 11
Have and be slidingly sealed rubber 9 corresponding second with first and be slidingly sealed rubber 10, effectively plays preliminary sealing effect, in addition first
Oil outlet 8 and the second oil outlet 7 are connected with closure rubber pad 14 by the first buffer spring 15 and are again sealed off, sealing effect
It is good, and block 14 two sides of rubber pad and be respectively equipped with first closure rubber stopper 17 corresponding with the first oil outlet 8 and the second oil outlet 7
Rubber stopper 22 is blocked with second, further effective sealing, it is ensured that sealing effect, while the second buffer spring 19 and the second envelope
Stifled sheet rubber 18 further effectively plays cushion seal effect.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of oil outlet structure of motor-vehicle fuel pump, including fuel-displaced section (5), which is characterized in that fuel-displaced section (5) are provided with
On the pump housing (1), the oil extraction section (4) being connected to fuel-displaced section (5) is offered on the pump housing (1), the diameter of the oil extraction section (4) is big
Diameter in fuel-displaced section (5), the oil extraction section (4) is interior to be slidably and sealingly connected with mobile valve (6), oil extraction section (4) inner wall
On be fixedly connected with fixed plate (2), be fixedly connected with spring (3) on the fixed plate (2), the spring (3) is far from fixed plate
(2) one end is connected with mobile valve (6), and the mobile valve (6) is fixedly connected with and fuel-displaced section far from the side of spring (3)
(5) matched closure column (11) is fixedly connected with first on described fuel-displaced section of (5) inner wall and is slidingly sealed rubber (9), the closure
Fixing sleeve, which is connected to, on column (11) is slidingly sealed rubber (9) corresponding second with first and is slidingly sealed rubber (10), the pump housing (1)
On offer and be connected to the first oil outlet (8) with fuel-displaced section (5) and oil extraction section (4), offered on the mobile valve (6) and first
Oil outlet (8) corresponding second oil outlet (7) is connected with closure by the first buffer spring (15) on the mobile valve (6)
Rubber pad (14), closure rubber pad (14) two sides are respectively equipped with corresponding with the first oil outlet (8) and the second oil outlet (7)
First, which blocks rubber stopper (17) and second, blocks rubber stopper (22), passes through the second buffering elastic on the first oil outlet (8) inner wall
Spring (19) is connected with closure sheet rubber (18) corresponding with the first closure rubber stopper (17).
2. a kind of oil outlet structure of motor-vehicle fuel pump according to claim 1, which is characterized in that second oil outlet
(7) closure ring (16) corresponding with the second closure rubber stopper (22) is fixedly connected on inner wall.
3. a kind of oil outlet structure of motor-vehicle fuel pump according to claim 1, which is characterized in that the closure rubber pad
(14) it is fixedly connected on the first gasket (21), is fixedly connected with and the first gasket (21) on oil extraction section (4) inner wall
Corresponding second gasket (20).
4. a kind of oil outlet structure of motor-vehicle fuel pump according to claim 1, which is characterized in that the mobile valve
(6) it is fixedly connected with third on to be slidingly sealed rubber (13), is fixedly connected on oil extraction section (4) inner wall close with third sliding
Envelope rubber (13) the corresponding 4th are slidingly sealed rubber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820458019.4U CN208330592U (en) | 2018-03-31 | 2018-03-31 | A kind of oil outlet structure of motor-vehicle fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820458019.4U CN208330592U (en) | 2018-03-31 | 2018-03-31 | A kind of oil outlet structure of motor-vehicle fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330592U true CN208330592U (en) | 2019-01-04 |
Family
ID=64780128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820458019.4U Expired - Fee Related CN208330592U (en) | 2018-03-31 | 2018-03-31 | A kind of oil outlet structure of motor-vehicle fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502874A (en) * | 2020-12-14 | 2021-03-16 | 瑞安市捷恒汽摩配件有限公司 | Brushless electric fuel pump of low-noise motorcycle |
-
2018
- 2018-03-31 CN CN201820458019.4U patent/CN208330592U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502874A (en) * | 2020-12-14 | 2021-03-16 | 瑞安市捷恒汽摩配件有限公司 | Brushless electric fuel pump of low-noise motorcycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200331 |