CN209230735U - A kind of built-in fuel pump containing fuel level sensor - Google Patents
A kind of built-in fuel pump containing fuel level sensor Download PDFInfo
- Publication number
- CN209230735U CN209230735U CN201821570144.0U CN201821570144U CN209230735U CN 209230735 U CN209230735 U CN 209230735U CN 201821570144 U CN201821570144 U CN 201821570144U CN 209230735 U CN209230735 U CN 209230735U
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- China
- Prior art keywords
- float
- drum carousel
- level sensor
- drum
- carousel
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Abstract
The utility model provides a kind of built-in fuel pump containing fuel level sensor, and the fuel pump includes the pump housing and fuel level sensor, and the fuel level sensor includes: substrate, drum carousel, resistor disc, float lever, oil float and terminals；Wherein, substrate is connected with pump housing outer surface, and the drum carousel is set on the substrate, and the drum carousel is equipped with shaft and drum carousel is driven to rotate, one end of the shaft connection float lever, the other end connection oil float of the float lever；The resistor disc is set to inside the drum carousel；The terminals include the first terminals and the second terminals, and first terminals and the second terminals are separately connected the different location of the resistor disc.Fuel pump provided by the utility model, structure is simple, can be easily mounted to repair, and in the case where being equipped with drum carousel lid, is applicable in various types of fuel oils, such as ethanol petrol, is not limited by type of fuel and quality, and low cost.
Description
Technical field
The utility model relates to a kind of dynamical element more particularly to a kind of built-in fuel pumps containing fuel level sensor.
Background technique
Fuel pump for one of modern engine machine management system is the essential important composition component of fuel oil subsystem.
Currently, built-in fuel pump has been widely used in internal combustion engine fuel feeding.Fuel level sensor is used in general built-in fuel pump
The detection and monitoring of oil mass are carried out, fuel level sensor is to cause sensor housing and induction machine after entering oil storage barrel using fuel oil
Between capacitance variation, and by this variation convert and detect fuel oil component of position or height in oil storage barrel, oil level sensing
The device component how many as oil storage barrel oil mass in real-time monitoring internal combustion engine, is the important component of fuel pump.But due to tradition
The fuel level sensor of fuel pump is persistently immersed in fuel oil, and use environment is severe, in addition ethanol petrol pushing away as clean fuel
Extensively and the use of inferior patrol in the market, and fuel level sensor can not adapt to the environment of ethanol petrol and inferior patrol, Yi Fa
Raw damage is applicable in fuel so as to cause built-in fuel pump and is limited, and service life reduces.
Utility model content
The utility model provides a kind of simple structure, adaptable, low cost, contains oil with higher service life
The built-in fuel pump of level sensor.
Built-in fuel pump provided by the utility model containing fuel level sensor, comprising: the pump housing and fuel level sensor；Institute
State fuel level sensor, including substrate, drum carousel, resistor disc, float lever, oil float and terminals；Wherein, the substrate and pump
External surface is connected, the drum carousel be set to the substrate on, and the drum carousel be equipped with shaft, the shaft with
The substrate is rotatably connected and drum carousel is driven to rotate, and the shaft connects one end of the float lever, float lever
The other end connection oil float；The resistor disc is set to inside the drum carousel；The terminals include the first terminals and
Second terminals, first terminals and the second terminals pass through the different positions that power supply line connects the resistor disc respectively
It sets.
In an advantageous embodiment, the resistance value of resistor disc gradually increases or reduces from a side to the other side.
In an advantageous embodiment, the substrate is equipped with postive stop baffle, the limit on the side towards drum carousel
Position baffle is located on the outside of drum carousel edge；The drum carousel edge is equipped with along the convex of drum carousel diameter extended line direction
It rises, the spacing at postive stop baffle and drum carousel edge is less than the height of the protrusion.
In an advantageous embodiment, the protrusion can have one or more；Preferably, there are two the protrusions, point
Not She Yu cylinder stent two sides up and down.
In an advantageous embodiment, the float lever includes float rotating bar and float connecting rod, the float rotating bar
It is connect with the float connecting rod, the float connecting rod connects oil float, and the float rotating bar connects the shaft；It is preferred that
Ground, the float rotating bar have angle with the float connecting rod shape；Preferably, the angle of the angle is 60 ° -120 °, excellent
It is selected as 80 ° -100 °, more preferably 90 °.
In an advantageous embodiment, the shaft is perpendicular to the drum carousel, and the float rotating bar is perpendicular to turning
Axis, the float lever is perpendicular to float rotating bar and parallel with shaft.
In an advantageous embodiment, it is floated on the drum carousel towards groove is additionally provided on the direction of the float lever
At least partly folder of sub bar is in the groove；Preferably, the groove includes from the cladding plate of drum carousel protrusion, the packet
Cladding plate includes two side plates and the bottom plate that is clipped between two side plates, and the bottom plate connects the cylinder and turns, the side plate and bottom
Plate is fixedly connected, and the float lever is clipped in outside in the groove that side plate and bottom plate are formed.
In an advantageous embodiment, the cladding plate can be by one or more；Preferably, the cladding plate can have
Two, it is respectively arranged on the left and right sides of drum carousel.
In an advantageous embodiment, the drum carousel further includes drum carousel lid, the drum carousel lid with it is described
Shaft is detachably connected, and the drum carousel is covered equipped with cap bore and wiring hole, for for the float lever be connected to
The power supply line of terminals and resistor disc passes through.
In an advantageous embodiment, the junction of the cap bore of the drum carousel lid and the float lever, the cylinder
The wiring hole of disk cover and the power supply line junction are equipped with sealing shroud；The company of the drum carousel and the drum carousel lid
Place is met, sealing ring is equipped with, for keeping sealing state.
In an advantageous embodiment, the base plate bottom is equipped with locating shaft or buckle, and the substrate passes through locating shaft
Or buckle is connected together with the pump housing；Preferably, the locating shaft or buckle can have one or more.
In an advantageous embodiment, pump housing surface is equipped with mounting plate, and the substrate is attached in mounting plate.
In an advantageous embodiment, the shaft stretches out side of the substrate far from drum carousel, and the substrate can
To be connected together by the shaft and the mounting plate.
In an advantageous embodiment, the mounting plate is equipped with buckle, and the mounting plate passes through buckle and the substrate
Connection.
In an advantageous embodiment, the mounting plate is equipped with hole, and substrate is stretched out far from cylinder in one end of the shaft
The side of turntable, and penetrate into the hole of mounting plate.
Built-in fuel pump provided by the utility model containing fuel level sensor, oil float can be according in fuel reserve tank
The adjustment that the variation of oil mass carries out height, to drive the rotation of drum carousel, makes different positions to drive the movement of float lever
The resistor disc set forms current loop, to generate different resistance value or electric current, to realize oil mass is how many in fuel reserve tank table
Sign, it has the advantage that:
(1) structure it is simple, convenient for the installation and maintenance of fuel level sensor；
(2) in the case where being equipped with drum carousel lid, resistor disc is in closed state, will not be immersed in fuel oil, significantly
Reduce the phenomenon that being corroded and damage of fuel level sensor, the service life of the fuel pump of raising；
(3) built-in fuel pump is applicable in various types of fuel oils, such as plot type alcohol fuel gasoline, not by type of fuel
With the limitation of quality, and low cost.
Detailed description of the invention
Attached drawing is constituted part of this application to be used to provide further understanding of the present application, the schematic implementation of the application
Example and its explanation are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1, the structural schematic diagram of the fuel level sensor of built-in fuel pump provided by the utility model.
Fig. 2, the main view of the fuel level sensor of built-in fuel pump provided by the utility model.
Fig. 3, the structural schematic diagram of the built-in fuel pump provided by the utility model containing fuel level sensor.
Marginal data:
In figure, 11. substrates, 111. first postive stop baffles, 112. second postive stop baffles, 12. drum carousels, 122. protrusion,
13. shaft, 14. float levers, 141. float rotating bars, 142. float connecting rods, 15. oil floats, 16. cladding plates, 160. second packets
Cladding plate, 161. bottom plates, 162 side plates, 171. first terminals, 172. second terminals, 1. pump housings, 2. mounting plates.
Specific embodiment
The utility model provides a kind of built-in fuel pump containing fuel level sensor, for the mesh for making the utility model
, technical solution and better effect understand, be clear, referring to the drawings and give an actual example to the utility model further specifically
It is bright.It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit originally practical new
Type.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order, it should be appreciated that in this way
The data used are interchangeable under appropriate circumstances.In addition, term " includes " and " having " and their any deformation, it is intended that
Being to cover non-exclusive includes to be not necessarily limited to be clearly listed for example, containing a series of system of units, product or equipment
Those of unit, but may include other units being not clearly listed or intrinsic for these products or equipment.
A kind of built-in fuel pump containing fuel level sensor provided by the utility model, as shown in figure 3, include the pump housing 1,
Pump housing surface is equipped with mounting plate 2, and the fuel level sensor 11 is fixed on mounting plate 2.
As depicted in figs. 1 and 2, shown fuel level sensor includes: substrate 11, drum carousel 12, resistor disc, float lever 14,
Oil float 15, the first terminals 171 and the second terminals 172.Wherein, substrate 11 is detachably connected with mounting plate 2, described
Drum carousel 12 is set on the substrate 11, and 12 center location of drum carousel has shaft 13, and the shaft 13 is carried out with substrate 11
Rotatable downlink connection simultaneously can drive drum carousel 12 to rotate, and one end and the shaft 13 of the float lever 14 are fixedly connected,
The other end connects oil float 15.When the height and position of oil float 15 changes, the movement of float lever 14 will drive, from
And drive the rotation of drum carousel 12.
The resistor disc is set to the inside of drum carousel 12, and the first terminals 171 and the second terminals 172 pass through power supply line
Connect the different location of resistor disc.The resistance value of resistor disc gradually increases or reduces from a side to the other side.When cylinder turns
When disk 12 rotates, resistor disc is also rotated along shaft, so that the first terminals 171 and the second terminals 172 be made to touch resistor disc
Different location.Since the resistance of resistor disc gradually changes, when drum carousel rotation, the first terminals 171 and the second wiring
The resistance variations of the resistor disc between 172 contact points are held, so that the variation by measurement resistance value or electric current calculates oil float
The height of son 15, to realize oil mass is how many in fuel reserve tank characterization.
In another embodiment, as depicted in figs. 1 and 2, the substrate 11 is equipped with towards the side of drum carousel 12
Two postive stop baffles: the first postive stop baffle 111 and the second postive stop baffle 112 are located at the two sides up and down of drum carousel.Cylinder
The edge of turntable 12 is equipped with the protrusion 122 along the diameter extended line direction of drum carousel 12, the first postive stop baffle 111 and the second limit
The spacing at position baffle 112 and 12 edge of drum carousel is less than the height of protrusion 122.
When the float lever 14 rotation, float lever 14 drives drum carousel 12 to rotate, after rotating by a certain angle, the first limit
Position baffle 111 or the second postive stop baffle 112 can touch protrusion 122, so that the rotation of drum carousel 12 is prevented, to reach limit
The rotation direction of drum carousel 12 processed and the purpose of angle.
In another embodiment, as shown in Figure 1, the float lever 14 includes float rotating bar 141 and float connecting rod
142, the float rotating bar 141 is attached with the float connecting rod 142, and the float connecting rod 142 connects oil float
15, the shaft 13 of float rotating bar 141 connection and the drum carousel 12.The float rotating bar 141 and the float
142 shape of connecting rod has angle, and the angle degree is 90 °.Shaft 13 perpendicular to drum carousel 12, float rotating bar 141 perpendicular to
Shaft 13, float lever 142 is perpendicular to float rotating bar 141 and parallel with shaft 13.
In a further advantageous embodiment, the drum carousel 12 is equipped with cladding plate 16, and the cladding plate 16 includes side
Plate 161 and bottom plate 162, the side plate 162 are fixedly connected with bottom plate 161, and the bottom plate 161 is carried out with the drum carousel 12
It is fixedly connected or is detachably connected, the side plate 162 is coated on the outside of the float rotating bar 141；When the float rotates
When bar 141 rotates, cladding plate 16 can be driven then to drive the rotation of drum carousel 12.In the present embodiment, including two are wrapped
Cladding plate: cladding plate 16 and the second cladding plate 161 are respectively arranged on the left and right sides of drum carousel 12, can be according to practical application feelings
Condition, i.e., oil float 15 is provided at the left side or right side of fuel pump body in practical application, selects float rotating bar 141 and cladding
Plate 16 or the second cladding plate 161 are attached.
In another embodiment, the drum carousel 12 further includes drum carousel lid, the drum carousel with described turn
Axis is detachably connected, and drum carousel 12 is equipped with cap bore and wiring hole, for for the float lever 14 and connection wiring
It holds and passes through with the power supply line of resistor disc.Between drum carousel 12 and the drum carousel lid be equipped with sealing ring, drum carousel lid with
The junction of float lever 14 is equipped with sealing shroud, the company of the wiring hole of drum carousel lid and the power supply line for connecting terminals and resistor disc
It meets place and is equipped with sealing shroud, to reach sealing effect, to realize the closed state for keeping drum carousel 12.The envelope of drum carousel 12
Closed state can prevent the fuel oil in fuel reserve tank to be immersed in drum carousel 12, prevent each component of fuel level sensor because of long-term leaching
Enter in fuel oil and corroded, thus the service life of the fuel pump improved.
In another embodiment, mounting plate 2 can be connected together with substrate 11.Mounting plate 2 be equipped with circular hole and
Polygonal hole, polygon can be the combination of one or more of triangle, square, rectangle, pentagon etc., substrate 11
On one end of shaft 13 stretch out side of the substrate far from drum carousel, and penetrate into the circular hole of mounting plate 3；It is set on substrate 11
There is the polygon protrusion to match with the polygonal hole on mounting plate 3, polygon protrusion can be engaged to the polygon of mounting plate 3
Kong Zhong.
Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, any that this practical is equal
Modifications and substitutions are also all among the scope of the utility model.Therefore, the institute under the spirit and scope for not departing from the utility model
The equal transformation and modification of work, should all cover in the scope of the utility model.
Claims (10)
1. a kind of built-in fuel pump containing fuel level sensor characterized by comprising the pump housing and fuel level sensor；It is described
Fuel level sensor, including substrate, drum carousel, resistor disc, float lever, oil float and terminals；Wherein, the substrate and the pump housing
Outer surface is connected, and the drum carousel is set on the substrate, and the drum carousel is equipped with shaft, the shaft and institute
It states substrate to be rotatably connected and drum carousel is driven to rotate, the shaft connects one end of the float lever, float lever
The other end connects oil float；The resistor disc is set to inside the drum carousel；The terminals include the first terminals and the
Two terminals, first terminals and the second terminals pass through the different positions that power supply line connects the resistor disc respectively
It sets.
2. the built-in fuel pump according to claim 1 containing fuel level sensor, which is characterized in that the substrate is in court
It is equipped with postive stop baffle to the side of drum carousel, postive stop baffle is located on the outside of drum carousel edge；The drum carousel edge
Equipped with the protrusion along drum carousel diameter extended line direction, the spacing at postive stop baffle and drum carousel edge is less than the protrusion
Highly.
3. the built-in fuel pump according to claim 1 containing fuel level sensor, which is characterized in that the float lever packet
Float rotating bar and float connecting rod are included, the float rotating bar is connect with the float connecting rod, described in the float connecting rod connection
Oil float, the float rotating bar connect the shaft；The float rotating bar has angle with the float connecting rod shape.
4. the built-in fuel pump according to claim 3 containing fuel level sensor, which is characterized in that the shaft is vertical
In the drum carousel, for the float rotating bar perpendicular to shaft, the float lever is perpendicular to float rotating bar and flat with shaft
Row.
5. the built-in fuel pump according to claim 1 containing fuel level sensor, which is characterized in that the drum carousel
Groove is additionally provided on towards the direction of float lever, at least partly folder of float lever is in the groove.
6. the built-in fuel pump according to claim 1 containing fuel level sensor, which is characterized in that the drum carousel
It further include drum carousel lid, the drum carousel lid is detachably connected with the shaft, and the drum carousel is covered and set
There are cap bore and wiring hole, for passing through for the float lever with the power supply line for being connected to terminals and resistor disc.
7. the built-in fuel pump according to claim 6 containing fuel level sensor, which is characterized in that the drum carousel
The junction of the cap bore of lid and the float lever, the wiring hole of the drum carousel lid and the power supply line junction are equipped with close
Big envelope；The junction of the drum carousel and the drum carousel lid is equipped with sealing ring, for keeping sealing state.
8. the built-in fuel pump according to claim 1 containing fuel level sensor, which is characterized in that pump housing surface is equipped with
Mounting plate, the substrate are attached with installation.
9. the built-in fuel pump according to claim 8 containing fuel level sensor, which is characterized in that the shaft is stretched out
Side of the substrate far from drum carousel, the substrate are connected together by the shaft and the mounting plate.
10. the built-in fuel pump according to claim 8 containing fuel level sensor, which is characterized in that the substrate base
Portion is equipped with locating shaft, and perhaps the buckle substrate is connected together by locating shaft or buckle with the pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570144.0U CN209230735U (en) | 2018-09-26 | 2018-09-26 | A kind of built-in fuel pump containing fuel level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570144.0U CN209230735U (en) | 2018-09-26 | 2018-09-26 | A kind of built-in fuel pump containing fuel level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230735U true CN209230735U (en) | 2019-08-09 |
Family
ID=67499259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821570144.0U Expired - Fee Related CN209230735U (en) | 2018-09-26 | 2018-09-26 | A kind of built-in fuel pump containing fuel level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209230735U (en) |
-
2018
- 2018-09-26 CN CN201821570144.0U patent/CN209230735U/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: 20190809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |