CN206972415U - A kind of plunger-type fuel delivery pump - Google Patents
A kind of plunger-type fuel delivery pump Download PDFInfo
- Publication number
- CN206972415U CN206972415U CN201720947337.2U CN201720947337U CN206972415U CN 206972415 U CN206972415 U CN 206972415U CN 201720947337 U CN201720947337 U CN 201720947337U CN 206972415 U CN206972415 U CN 206972415U
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- CN
- China
- Prior art keywords
- pump
- oil
- plunger
- piston
- reciprocating lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of plunger-type fuel delivery pump, including reciprocating lever, sealing ring is respectively arranged with left and right sides of the reciprocating lever, and reciprocating lever bottom is fixed with handle, piston is provided with above the reciprocating lever, and internal piston is provided with the pump housing, spring assembly is provided with below the pump housing, and it is provided with bracing means on the left of spring assembly, oil inlet is provided with the left of the piston, and manual pump is installed inside oil inlet, the manual pump is fixedly connected by oil-feed nut with combined valve, push rod is fixed with the right side of the piston, and plunger is installed on push rod, pump internal oil channel is installed on the right side of the push rod, and pump internal oil channel bottom is provided with oil-out, fuel-displaced nut is provided with the pump internal oil channel, and it is provided with rubber parts above fuel-displaced nut.The utility model is used in diesel fuel system, by the diesel oil timing in fuel tank, quantitatively inputs in the high-pressure pump in diesel fuel system, ensures diesel engine normal operation.
Description
Technical field
Oil transfer pump equipment technical field is the utility model is related to, specially a kind of plunger-type fuel delivery pump.
Background technology
The effect of oil transfer pump is to ensure that diesel oil circulates in low pressure oil way, and supplies the fuel oil of sufficient amount and certain pressure
To injection pump, its output oil amount should be 3-4 times of full load maximum distributive value.Oil transfer pump is divided into gear fuel supply pump, and diaphragm type is defeated
Oil pump, plunger-type fuel delivery pump, duct type oil transfer pump etc..Oil transfer pump is applied to conveying and is free of solid particle and fiber, corrosion-free
Property, for temperature not higher than 250 DEG C, the lubricating oil or property that viscosity is 5 × 10-6~1.5 × 10-3m2/s (5-1500cSt) are similar
Other liquid of lubricating oil, and for Hydraulic Power Transmission System.Oil transportation pump discharge：1-58 cubic meters/hour.High-temperature pump is adapted to convey
Temperature is higher, the medium of free from admixture, using two kinds of mechanical seal and packing seal, for plastic, rubber processing industry.Traditional
Plunger-type fuel delivery pump by plunger cavity extrude subsequently into oil outlet one-way valve lower end, then from oil outlet one-way valve lower end enter upper end to
In fuel-displaced, oil circuit resistance is big, influences oil transfer pump oil mass, therefore a kind of new plunger-type fuel delivery pump of market in urgent need.
Utility model content
The purpose of this utility model is to provide a kind of plunger-type fuel delivery pump, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of plunger-type fuel delivery pump, including it is reciprocal
Bar, the reciprocating lever left and right sides is respectively arranged with sealing ring, and reciprocating lever bottom is fixed with handle, is set above the reciprocating lever
Piston is equipped with, and internal piston is provided with the pump housing, spring assembly is provided with below the pump housing, and be provided with the left of spring assembly
Bracing means, the piston left side is provided with oil inlet, and manual pump is provided with inside oil inlet, and the manual pump passes through oil-feed
Nut is fixedly connected with combined valve, and combined valve is located on the right side of manual pump, and push rod, and push rod are fixed with the right side of the piston
On plunger is installed, pump internal oil channel is installed, and pump internal oil channel bottom is provided with oil-out, oil in the pump on the right side of the push rod
Fuel-displaced nut is provided with road, and rubber parts is provided with above fuel-displaced nut.
Preferably, axle sleeve is enclosed with the outside of the sealing ring, and nut is provided with inside sealing ring.
Preferably, the pump body is in hollow columnar structures, and pump housing bottom is provided with capping.
Preferably, spring is provided with the outside of the push rod, and chock plug is provided with below push rod.
Preferably, it is respectively arranged with guide sleeve at left and right sides of the pump internal oil channel.
Preferably, the piston base is provided with valve block with reciprocating lever interface.
Compared with prior art, the beneficial effects of the utility model are：The utility model in reciprocating lever both sides by using
Lips duplex sealing ring so that the sealing property of the equipment greatly improves, and is maintained to by permanent use good
Sealing property, it is ensured that the normal fuel injection of engine；Combined valve component in the equipment is monolithic construction, after the assay was approved
It is encased in oil transfer pump, is not influenceed by other parts, steady quality, and valve module right angle setting is combined, sediment is not easy to adsorb
On valve block, the sealability of combination valve is not interfered with, has ensured oil transfer pump performance；Fuel oil is directly entered plunger by combination valve
Chamber, oil circuit resistance is small and oil mass is big, the right angle setting check valve assembly in plunger cavity, unidirectional valve group is also installed in oil-out
Part, the unidirectional pumping ability of common guarantee oil transfer pump.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is pump internal oil channel structural representation of the present utility model.
In figure：1- pistons；The 2- pump housings；3- spring assemblies；4- plungers；5- pump internal oil channels；6- bracing means；7- oil inlets；
8- oil-feed nuts；9- combined valves；The manual pumps of 10-；11- sealing rings；12- reciprocating levers；13- handles；14- push rods；15- rubber
Part；The fuel-displaced nuts of 16-；17- guide sleeves；18- oil-outs.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-2, a kind of embodiment provided by the utility model：A kind of plunger-type fuel delivery pump, including reciprocating lever 12,
The left and right sides of reciprocating lever 12 is respectively arranged with sealing ring 11, and the bottom of reciprocating lever 12 is fixed with handle 13, and the top of reciprocating lever 12 is set
Piston 1 is equipped with, and the pump housing 2 is installed inside piston 1, the lower section of the pump housing 2 is provided with spring assembly 3, and the left side of spring assembly 3 is set
There is bracing means 6, the left side of piston 1 is provided with oil inlet 7, and manual pump 10 is provided with inside oil inlet 7, and manual pump 10 is by entering
Whelk mother 8 is fixedly connected with combined valve 9, and combined valve 9 is located at the manual right side of pump 10, and the right side of piston 1 is fixed with push rod 14,
And plunger 4 is installed on push rod 14, the right side of push rod 14 is provided with pump internal oil channel 5, and the bottom of pump internal oil channel 5 is provided with oil-out
18, fuel-displaced nut 16 is provided with pump internal oil channel 5, and the top of fuel-displaced nut 16 is provided with rubber parts 15, the outside of sealing ring 11 is wrapped
Axle sleeve is wrapped with, and the inside of sealing ring 11 is provided with nut, the inside of the pump housing 2 is in hollow columnar structures, and the bottom of the pump housing 2 is provided with capping,
The outside of push rod 14 is provided with spring, and the lower section of push rod 14 is provided with chock plug, and the left and right sides of pump internal oil channel 5 is respectively arranged with guide sleeve
17, the bottom of piston 1 is provided with valve block with the interface of reciprocating lever 12.
When in use, the left side of piston 1 is provided with oil inlet 7 to the utility model, and fuel oil is entered in pipeline from oil inlet 7,
Manual pump 10 is installed, manual pump 10 is fixedly connected by oil-feed nut 8 with combined valve 9, combined valve 9 inside oil inlet 7
Right angle setting, sediment is not easy absorption on valve block, does not interfere with the sealability of combination valve, ensured oil transfer pump performance, living
The right side of plug 1 is fixed with push rod 14, and plunger 4 is provided with push rod 14, and the right side of push rod 14 is provided with pump internal oil channel 5, and fuel oil is subsequent
Into in pump internal oil channel 5, because the left and right sides of reciprocating lever 12 is respectively arranged with sealing ring 11, the sealing ring 11 is using lips
Duplex sealing ring so that the sealing property of the equipment is greatly improved, and good sealing is maintained to by permanent use
Performance, it is ensured that the normal fuel injection of engine, fuel oil are directly entered the intracavitary of plunger 4 by combined valve 9 by pipeline, so
Oil circuit resistance is small and oil mass is big, and the right angle setting check valve assembly in the chamber of plunger 4, the bottom of pump internal oil channel 5 is provided with oil-out 18,
Check valve assembly is also installed in oil-out 18, the unidirectional pumping ability of common guarantee oil transfer pump, is provided with out on pump internal oil channel 5
Whelk mother 16, the fuel-displaced top of nut 16 are provided with rubber parts 15, and the outside of sealing ring 11 is enclosed with axle sleeve, rubber parts 15 and sealing ring
The axle sleeve in 11 outsides plays a supporting role in protection.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of plunger-type fuel delivery pump, including reciprocating lever (12), it is characterised in that：Set respectively at left and right sides of the reciprocating lever (12)
Sealing ring (11) is equipped with, and reciprocating lever (12) bottom is fixed with handle (13), and piston is provided with above the reciprocating lever (12)
(1) pump housing (2), and inside piston (1) is installed, spring assembly (3), and spring assembly (3) are provided with below the pump housing (2)
Left side is provided with bracing means (6), oil inlet (7) is provided with the left of the piston (1), and be provided with hand inside oil inlet (7)
Dynamic pump (10), the manual pump (10) is fixedly connected by oil-feed nut (8) with combined valve (9), and combined valve (9) is located at
On the right side of manual pump (10), push rod (14) is fixed with the right side of the piston (1), and plunger (4), the top are installed on push rod (14)
Pump internal oil channel (5) is installed on the right side of bar (14), and pump internal oil channel (5) bottom is provided with oil-out (18), the pump internal oil channel (5)
On be provided with fuel-displaced nut (16), and be provided with rubber parts (15) above fuel-displaced nut (16).
A kind of 2. plunger-type fuel delivery pump according to claim 1, it is characterised in that：It is enclosed with the outside of the sealing ring (11)
Axle sleeve, and it is provided with nut inside sealing ring (11).
A kind of 3. plunger-type fuel delivery pump according to claim 1, it is characterised in that：It is in hollow posts that the pump housing (2) is internal
Type structure, and the pump housing (2) bottom is provided with capping.
A kind of 4. plunger-type fuel delivery pump according to claim 1, it is characterised in that：Bullet is provided with the outside of the push rod (14)
Spring, and it is provided with chock plug below push rod (14).
A kind of 5. plunger-type fuel delivery pump according to claim 1, it is characterised in that：At left and right sides of the pump internal oil channel (5)
It is respectively arranged with guide sleeve (17).
A kind of 6. plunger-type fuel delivery pump according to claim 1, it is characterised in that：Piston (1) bottom and reciprocating lever
(12) interface is provided with valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947337.2U CN206972415U (en) | 2017-08-01 | 2017-08-01 | A kind of plunger-type fuel delivery pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947337.2U CN206972415U (en) | 2017-08-01 | 2017-08-01 | A kind of plunger-type fuel delivery pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972415U true CN206972415U (en) | 2018-02-06 |
Family
ID=61393666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720947337.2U Expired - Fee Related CN206972415U (en) | 2017-08-01 | 2017-08-01 | A kind of plunger-type fuel delivery pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972415U (en) |
-
2017
- 2017-08-01 CN CN201720947337.2U patent/CN206972415U/en not_active Expired - Fee Related
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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: 20180206 Termination date: 20180801 |