CN207245985U - A kind of novel fuel pumps guide rod - Google Patents
A kind of novel fuel pumps guide rod Download PDFInfo
- Publication number
- CN207245985U CN207245985U CN201721304180.8U CN201721304180U CN207245985U CN 207245985 U CN207245985 U CN 207245985U CN 201721304180 U CN201721304180 U CN 201721304180U CN 207245985 U CN207245985 U CN 207245985U
- Authority
- CN
- China
- Prior art keywords
- guide rod
- flexible tube
- inner flexible
- guide bar
- steel pipe
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 7
- 230000002401 inhibitory effect Effects 0.000 claims description 7
- 239000002828 fuel tank Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model discloses a kind of novel fuel to pump guide rod, belongs to fuel pump field.A kind of novel fuel pumps guide rod, including guide body, the guide body includes top guide bar and lower guide rod, the upper end of the top guide bar is connected with ring flange, breakpoint mechanism is equipped between the top guide bar and lower guide rod, the breakpoint mechanism includes extension spring, inner flexible tube and steel pipe, the both ends of the inner flexible tube and steel pipe are respectively fixedly connected with top guide bar and lower guide rod, the inner flexible tube is located at the inner side of steel pipe, the extension spring is located at the inner side of inner flexible tube, the both ends of the extension spring are plugged in top guide bar and lower guide rod respectively, outer hose is equipped between the top guide bar and lower guide rod, the outer hose is located at the outside of breakpoint mechanism.It, which can be realized, sets breakpoint mechanism, and when guide body stress is excessive, the junction of breakpoint device protection fuel pump and guide body, avoids fuel pump from scrapping, and fuel pump is conveniently taken out from fuel tank.
Description
Technical field
Fuel pump field is the utility model is related to, guide rod is pumped more specifically to a kind of novel fuel.
Background technology
Fuel pump be installed on fuel tank in, automobile in the process of moving, after producing big vibration, the portion below fuel pump guide rod
Dividing can also vibrate, although being cased with spring on guide rod, spring only has cushioning effect to the power of longitudinal direction, can not buffer it
The power in his direction.
Guide rod structure is simple in the prior art, is the stainless steel iron staff of diameter 1cm, with the vibration of fuel pump, guide rod with
The junction stress of ring flange and base oversteps the extreme limit, and causes ring flange and base to split, and fuel pump is scrapped, although the prior art
There is provided thinner one section on middle guide rod to be used as breakpoint, but after two guide rods disconnect, the part below fuel pump guide rod
It is difficult to taken out from fuel tank, it is cumbersome.
Utility model content
1. technical problems to be solved
For problems of the prior art, the purpose of this utility model is to provide a kind of novel fuel to pump guide rod,
It, which can be realized, sets breakpoint mechanism, when guide body stress is excessive, the company of breakpoint device protection fuel pump and guide body
Place is met, avoids fuel pump from scrapping, and fuel pump is conveniently taken out from fuel tank.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of novel fuel pumps guide rod, including guide body, and the guide body includes top guide bar and lower guide rod, it is described on
The upper end of guide rod is connected with ring flange, and breakpoint mechanism is equipped between the top guide bar and lower guide rod, and the breakpoint mechanism includes drawing
Spring, inner flexible tube and steel pipe are stretched, the both ends of the inner flexible tube and steel pipe are respectively fixedly connected with top guide bar and lower guide rod, described
Inner flexible tube is located at the inner side of steel pipe, and the extension spring is located at the inner side of inner flexible tube, and the both ends of the extension spring plug respectively
In top guide bar and lower guide rod, outer hose is equipped between the top guide bar and lower guide rod, the outer hose is located at breakpoint mechanism
Outside, the upper end of the outer hose are sleeved on top guide bar, and the lower end of the outer hose is sleeved on lower guide rod, when fuel oil pump vibration is acute
When strong, steel pipe disconnects first, and extension spring and inner flexible tube are connected with inner flexible tube by extension spring between top guide bar and lower guide rod
With cushioning effect, prevent the junction of top guide bar and lower guide rod and fuel pump to be broken, cause scrapping for fuel pump, and convenient combustion
Oil pump takes out from fuel tank, replaces guide body, is continuing with.
Preferably, the steel pipe is thinner than top guide bar and lower guide rod, and when guide body stress exceedes certain value, steel pipe is most
First disconnect, protect top guide bar and the junction of lower guide rod and fuel pump.
Preferably, the inner flexible tube is not attached to steel pipe, and the surface of the outer hose and inner flexible tube scribbles corrosion-inhibiting coating,
Corrosion-inhibiting coating makes outer hose and inner flexible tube be not easy to be corroded, more robust.
Preferably, the inner side of the inner flexible tube is filled with inert gas, and extension spring is located in inert gas environment, is not easy
Get rusty.
3. beneficial effect
Compared with the prior art, the utility model has the advantage of：
(1) when fuel oil pump vibration is violent, steel pipe disconnects this programme first, by stretching bullet between top guide bar and lower guide rod
Spring, which connects extension spring and inner flexible tube with inner flexible tube, has cushioning effect, prevents the junction of top guide bar and lower guide rod and fuel pump
Fracture, causes scrapping for fuel pump, and facilitates fuel pump to be taken out from fuel tank, replaces guide body, is continuing with.
(2) steel pipe is thinner than top guide bar and lower guide rod, and when guide body stress exceedes certain value, steel pipe disconnects at first,
Protect top guide bar and the junction of lower guide rod and fuel pump.
(3) inner flexible tube is not attached to steel pipe, and the surface of outer hose and inner flexible tube scribbles corrosion-inhibiting coating, and corrosion-inhibiting coating makes outer
Hose and inner flexible tube are not easy to be corroded, more robust.
(4) inner side of inner flexible tube is filled with inert gas, and extension spring is located in inert gas environment, is not easy to get rusty.
Brief description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is structure diagram when the utility model removes outer hose；
Fig. 3 is the structure diagram at A in Fig. 2；
Fig. 4 is the structure diagram of the utility model breakpoint mechanism section.
Figure label explanation：
1 ring flange, 2 top guide bars, 3 lower guide rods, 4 outer hoses, 5 extension springs, 6 inner flexible tubes, 7 steel pipes.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model；The technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe；Obviously；The described embodiments are only a part of the embodiments of the utility model；Rather than whole
Embodiment.Based on the embodiment in the utility model；Those of ordinary skill in the art are without making creative work
All other embodiments obtained；It shall fall within the protection scope of the present invention.
Embodiment 1：
- 4 are please referred to Fig.1, a kind of novel fuel pumps guide rod, including guide body, and guide body includes top guide bar 2 and led with
Bar 3, the upper end of top guide bar 2 are connected with ring flange 1, and breakpoint mechanism is equipped between top guide bar 2 and lower guide rod 3, and breakpoint mechanism includes
The both ends of extension spring 5, inner flexible tube 6 and steel pipe 7, inner flexible tube 6 and steel pipe 7 are respectively fixed with top guide bar 2 and lower guide rod 3 to be connected
Connect, steel pipe 7 is thinner than top guide bar 2 and lower guide rod 3, and when guide body stress exceedes certain value, steel pipe 7 disconnects at first, protection
The junction of top guide bar 2 and lower guide rod 3 and fuel pump, inner flexible tube 6 are located at the inner side of steel pipe 7, and extension spring 5 is located at inner flexible tube 6
Inner side, the both ends of extension spring 5 are plugged in top guide bar 2 and lower guide rod 3 respectively, are equipped between top guide bar 2 and lower guide rod 3 outer
Hose 4, outer hose 4 are located at the outside of breakpoint mechanism, and the upper end of outer hose 4 is sleeved on top guide bar 2, and the lower end of outer hose 4 is sleeved on
On lower guide rod 3, inner flexible tube 6 is not attached to steel pipe 7, and the surface of outer hose 4 and inner flexible tube 6 scribbles corrosion-inhibiting coating, corrosion-inhibiting coating
Outer hose 4 and inner flexible tube 6 is set to be not easy to be corroded, more robust, the inner side of inner flexible tube 6 is filled with inert gas, and extension spring 5 is located at
In inert gas environment, be not easy to get rusty, outer hose 4, extension spring 5 and inner flexible tube 6 can keep top guide bar 2 and lower guide rod 3 it
Between connection status, during maintenance, fuel pump can be facilitated to be taken out from fuel tank in the case of the not all off connection of three.
The ring flange 1 of fuel pump is put into fuel tank after being connected with base by guide body and installs and uses, when fuel tank shakes
When dynamic violent, steel pipe 7 disconnects at first, is connected between top guide bar 2 and lower guide rod 3 by outer hose 4, extension spring 5 and inner flexible tube 6
Connect, the power that outer hose 4, extension spring 5 and inner flexible tube 6 connect all directions produced to vibration is respectively provided with cushioning effect, protects
Ring flange 1 and base, take out fuel pump when carrying out maintenance, outer hose 4, extension spring 5 and inner flexible tube 6 keep top guide bar 2 and under
Connected between guide rod 3, the convenient base for taking out fuel pump, need to be only guide body that fuel pump more renews with regard to that can reuse.
It is described above；The only preferable embodiment of the utility model；But the scope of protection of the utility model is not
It is confined to this；Any one skilled in the art is in the technical scope that the utility model discloses；According to this practicality
New technical solution and its improvement design is subject to equivalent substitution or change；It should all cover in the scope of protection of the utility model
It is interior.
Claims (4)
1. a kind of novel fuel pumps guide rod, including guide body, the guide body include top guide bar (2) and lower guide rod (3), institute
The upper end for stating top guide bar (2) is connected with ring flange (1), it is characterised in that：It is equipped between the top guide bar (2) and lower guide rod (3)
Breakpoint mechanism, the breakpoint mechanism include extension spring (5), inner flexible tube (6) and steel pipe (7), the inner flexible tube (6) and steel pipe
(7) both ends are respectively fixedly connected with top guide bar (2) and lower guide rod (3), and the inner flexible tube (6) is located at the inner side of steel pipe (7),
The extension spring (5) is located at the inner side of inner flexible tube (6), the both ends of the extension spring (5) be plugged in respectively top guide bar (2) and
In lower guide rod (3), outer hose (4) is equipped between the top guide bar (2) and lower guide rod (3), the outer hose (4) is located at breakpoint machine
The outside of structure, the upper end of the outer hose (4) are sleeved on top guide bar (2), and the lower end of the outer hose (4) is sleeved on lower guide rod (3)
On.
A kind of 2. novel fuel pump guide rod according to claim 1, it is characterised in that：The steel pipe (7) is than top guide bar (2)
It is thin with lower guide rod (3).
A kind of 3. novel fuel pump guide rod according to claim 1, it is characterised in that：The inner flexible tube (6) and steel pipe (7)
It is not attached to, the surface of the outer hose (4) and inner flexible tube (6) scribbles corrosion-inhibiting coating.
A kind of 4. novel fuel pump guide rod according to claim 1, it is characterised in that：Filled out on the inside of the inner flexible tube (6)
Filled with inert gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721304180.8U CN207245985U (en) | 2017-10-11 | 2017-10-11 | A kind of novel fuel pumps guide rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721304180.8U CN207245985U (en) | 2017-10-11 | 2017-10-11 | A kind of novel fuel pumps guide rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245985U true CN207245985U (en) | 2018-04-17 |
Family
ID=61890046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721304180.8U Expired - Fee Related CN207245985U (en) | 2017-10-11 | 2017-10-11 | A kind of novel fuel pumps guide rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207245985U (en) |
-
2017
- 2017-10-11 CN CN201721304180.8U patent/CN207245985U/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: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |