CN207892753U - A kind of valve cap - Google Patents
A kind of valve cap Download PDFInfo
- Publication number
- CN207892753U CN207892753U CN201820089467.1U CN201820089467U CN207892753U CN 207892753 U CN207892753 U CN 207892753U CN 201820089467 U CN201820089467 U CN 201820089467U CN 207892753 U CN207892753 U CN 207892753U
- Authority
- CN
- China
- Prior art keywords
- hole
- valve cap
- mounting hole
- mounting
- fuel pump
- 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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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a kind of valve cap, mounting assembly of at least two groups for solid mechanical fuel pump is offered on the valve cap, the number of mechanical fuel pump is two, gap setting between every group of mounting assembly, every group of mounting assembly includes the first mounting hole, through-hole and the second mounting hole, first mounting hole and the second mounting hole are symmetrically disposed on through-hole both ends, each mechanical fuel pump is connect by fastener with the first mounting hole and the second mounting hole, through-hole is disposed through on valve cap, a plunger that can be moved up and down is provided through in through-hole, one end of plunger is connected with an actuating unit, mechanical fuel pump is driven to do endurance test simultaneously by the actuating unit.Design is optimized for the valve cap structure of existing low-pressure machinery fuel pump test rack in the technical program, so as to realize two low-pressure machinery fuel pumps while doing endurance test, test efficiency is improved, production cost is reduced, is suitble to industrially promote the use of.
Description
Technical field
The utility model is related to a kind of valve caps, belong to shipboard technical field peculiar to vessel.
Background technology
Fuel pump is the technical term of auto parts machinery industry, is one of basic composition of electro jet car fuel injection system,
Inside oil tank of vehicle, fuel pump start and engine operating when work, if engine stop and ignition switch is still located
When ON, HFM-SFI control modules close the power supply of fuel pump, to avoid accidental ignition.Fuel oil pumping action is fuel oil from combustion
It is transported in fuel feed pump after suction, pressurization in fuel tank and certain fuel pressure is established in fuel pressure regulator cooperation.
The valve cap of the endurance test rack of existing low-pressure machinery fuel pump can only install a low-pressure machinery fuel pump into
Row durable test, testing efficiency is low during the test.
Invention content
The purpose of this utility model is exactly to propose that one kind can be real simultaneously to solve the above-mentioned problems in the prior art
Existing two low-pressure machinery fuel pumps do the valve cap of endurance test simultaneously.
The purpose of this utility model will be achieved by the following technical programs：A kind of valve cap, the valve cap are fixedly arranged on
On engine cylinder head, mounting assembly of at least two groups for solid mechanical fuel pump, the machinery are offered on the valve cap
The number of fuel pump is two, and gap setting between every group of mounting assembly, every group of mounting assembly includes the first mounting hole, leads to
Hole and the second mounting hole, first mounting hole and the second mounting hole are symmetrically disposed on through-hole both ends, each mechanical fuel
Pump is connect by fastener with the first mounting hole and the second mounting hole, and the through-hole is disposed through on valve cap, the through-hole
It is inside provided through a plunger that can be moved up and down, one end of the plunger is connected with an actuating unit, passes through the actuating unit
Driving mechanical fuel pump does endurance test simultaneously.
Preferably, the both ends of each mechanical fuel pump are both provided with mounting hole, first mounting hole and the second peace
Size, the shape in dress hole match with the size of mounting hole, shape.
Preferably, the fastener sequentially passes through corresponding first mounting hole of each mounting hole and the second mounting hole is fastened
Connection.
Preferably, each group mounting assembly may be contained on same plane.
Preferably, screw hole, the spiral shell being arranged on the screw hole and engine cylinder head are offered on the side of the valve cap
Hole size, shape match, and fixing bolt sequentially passes through the screw hole on screw hole and engine cylinder head in cylinder head and carries out bolt
Connection.
Preferably, the distance of first mounting hole to through-hole is equal at a distance from the second mounting hole to through-hole.
Preferably, the mechanical fuel pump is set to the top of mounting assembly.
Preferably, the fastener is fixing bolt.
Preferably, the end face of plunger is bonded with one end of actuating unit.
Preferably, the actuating unit is rocking arm.
The advantages of technical solutions of the utility model, is mainly reflected in：The technical program is tried for existing low-pressure machinery fuel pump
Design is optimized in the valve cap structure for testing rack, so as to realize two low-pressure machinery fuel pumps while doing durable examination
It tests, improves test efficiency, reduce production cost, be suitble to industrially promote the use of.
Description of the drawings
Fig. 1 is the schematic top plan view of the utility model valve cap.
Fig. 2 is the schematic top plan view of the utility model valve cap.
Specific implementation mode
The purpose of this utility model, advantage and feature will carry out figure by the non-limitative illustration of preferred embodiment below
Show and explains.These embodiments are only the prominent examples using technical solutions of the utility model, all to take equivalent replacement or wait
Effect transformation and formed technical solution, all fall within the requires of the utility model protection within the scope of.
The utility model discloses a kind of valve cap, and as depicted in figs. 1 and 2, which is fixedly arranged on engine cylinder head 2,
Specifically, which is fixedly arranged on the top of engine cylinder head 2.Screw hole, the spiral shell are offered on the side of the valve cap
Hole matches with screw hole size, the shape being arranged on engine cylinder head, fixing bolt 10 sequentially pass through screw hole in cylinder head and
Screw hole on engine cylinder head is bolted.
Mounting assembly 4 of at least two groups for solid mechanical fuel pump 3 is offered on the valve cap, specifically, at this
In technical solution, two groups of mounting assemblies 4 for solid mechanical fuel pump are preferably offered on the valve cap.The machinery
Fuel pump is set to the top of mounting assembly, and the number of the mechanical fuel pump 3 is two, and gap is set between every group of mounting assembly
It sets.The both ends of each mechanical fuel pump are both provided with mounting hole, size, the shape of first mounting hole and the second mounting hole
Shape matches with the size of mounting hole, shape.
Each group mounting assembly may be contained on same plane, and specifically, in the technical scheme, every group of mounting assembly 4 is excellent
It is selected as including the first mounting hole 41, through-hole 42 and the second mounting hole 43, the through-hole 42 is for installing mechanical fuel pump
Plunger contacts to the end face of plunger with engine rocker, realizes power transmission.In the technical scheme not in mounting assembly
The quantity of mounting hole is limited, and the present embodiment is a kind of most preferred mode or multiple mounting holes, such as three peaces
Fill hole or four mounting holes.First mounting hole and the second mounting hole are symmetrically disposed on through-hole both ends, first mounting hole
Distance to through-hole is equal at a distance from the second mounting hole to through-hole.
Each mechanical fuel pump is connect by fastener 5 with the first mounting hole and the second mounting hole, the fastener
It sequentially passes through corresponding first mounting hole of each mounting hole and the second mounting hole is fastenedly connected, the fastener is fixed spiral shell
Bolt.The through-hole is disposed through on the valve cap, and a plunger that can be moved up and down is provided through in the through-hole, described
One end of plunger is connected with an actuating unit, specifically, in the technical scheme, the end face of the plunger and the one of actuating unit
End fitting, the actuating unit are rocking arm, drive two mechanical fuel pumps to do endurance test simultaneously by the actuating unit.This skill
Design is optimized for the valve cap structure of existing low-pressure machinery fuel pump test rack in art scheme, so as to realize two
Platform low-pressure machinery fuel pump does endurance test simultaneously, improves test efficiency, reduces production cost, is suitble to industrially promote
It uses.
First through hole 6 is provided with below the mounting assembly, the first through hole 6 is used for plus lubricating oil, and described first
The opening of through-hole is threadedly coupled or engaging has a sealing cover for sealing the first through hole, the sealing cover that can prevent from lubricating
Oil is revealed in use.
The technical program is by increasing the mounting hole of one group of low-pressure machinery fuel pump, to realize two low-pressure machinery fuel oils
Pump is carried out at the same time endurance test, improves test efficiency.
Still there are many embodiment, all technologies formed using equivalents or equivalent transformation for the utility model
Scheme is all fallen within the scope of protection of the utility model.
Claims (10)
1. a kind of valve cap, it is characterised in that：The valve cap is fixedly arranged on engine cylinder head, is offered at least on the valve cap
The number of two groups of mounting assemblies for being used for solid mechanical fuel pump, the mechanical fuel pump is two, between every group of mounting assembly
Gap setting, every group of mounting assembly include the first mounting hole, through-hole and the second mounting hole, first mounting hole and second
Mounting hole is symmetrically disposed on through-hole both ends, and each mechanical fuel pump passes through fastener and the first mounting hole and the second mounting hole
Connection, the through-hole are disposed through on valve cap, and a plunger that can be moved up and down, the column are provided through in the through-hole
One end of plug is connected with an actuating unit, drives mechanical fuel pump to do endurance test simultaneously by the actuating unit.
2. a kind of valve cap according to claim 1, it is characterised in that：The both ends of each mechanical fuel pump are respectively provided with
There is a mounting hole, size, the shape of first mounting hole and the second mounting hole match with the size of mounting hole, shape.
3. a kind of valve cap according to claim 2, it is characterised in that：The fastener sequentially passes through each mounting hole and corresponds to
The first mounting hole and the second mounting hole be fastenedly connected.
4. a kind of valve cap according to claim 1, it is characterised in that：Each group mounting assembly may be contained within same plane
On.
5. a kind of valve cap according to claim 1, it is characterised in that：Spiral shell is offered on the side of the valve cap
Hole, the screw hole match with screw hole size, the shape being arranged on engine cylinder head, and fixing bolt sequentially passes through in cylinder head
Screw hole on screw hole and engine cylinder head is bolted.
6. a kind of valve cap according to claim 1, it is characterised in that：Distance and the of first mounting hole to through-hole
The distance of two mounting holes to through-hole is equal.
7. a kind of valve cap according to claim 1, it is characterised in that：The mechanical fuel pump is set to the upper of mounting assembly
Side.
8. a kind of valve cap according to claim 1, it is characterised in that：The fastener is fixing bolt.
9. a kind of valve cap according to claim 1, it is characterised in that：The end face of plunger and one end of actuating unit are pasted
It closes.
10. a kind of valve cap according to claim 1, it is characterised in that：The actuating unit is rocking arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089467.1U CN207892753U (en) | 2018-01-19 | 2018-01-19 | A kind of valve cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089467.1U CN207892753U (en) | 2018-01-19 | 2018-01-19 | A kind of valve cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892753U true CN207892753U (en) | 2018-09-21 |
Family
ID=63545246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820089467.1U Expired - Fee Related CN207892753U (en) | 2018-01-19 | 2018-01-19 | A kind of valve cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892753U (en) |
-
2018
- 2018-01-19 CN CN201820089467.1U patent/CN207892753U/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 |
Granted publication date: 20180921 Termination date: 20220119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |