CN216184464U - Gravity balance type oil tank level sensor - Google Patents
Gravity balance type oil tank level sensor Download PDFInfo
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- CN216184464U CN216184464U CN202122785270.6U CN202122785270U CN216184464U CN 216184464 U CN216184464 U CN 216184464U CN 202122785270 U CN202122785270 U CN 202122785270U CN 216184464 U CN216184464 U CN 216184464U
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- ring
- oil tank
- wall
- coaxial line
- clamping
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- 230000005484 gravity Effects 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 239000002828 fuel tank Substances 0.000 claims description 6
- 230000000670 limiting effect Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a gravity balance formula oil tank oil level sensor, it includes the oil tank, be equipped with the sensor body on the oil tank, the plug wire is pegged graft to sensor body side, the perpendicular rigid coupling dead lever of sensor body lower extreme, the dead lever runs through the oil tank and slides inside it, the dead lever outer wall coaxial line transitional coupling who is located the oil tank inner end has the go-between, be located the oil tank, cup joint first sealing washer and second sealing washer on the go-between of outside respectively, go-between outer wall coaxial line sliding connection fixture block, the fixture block runs through the snap ring and slides inside it, the snap ring coaxial line cup joints outside the go-between, the go-between outer wall coaxial line threaded connection nut that is located the snap ring upper end, internal stress is offset to this device, and it is more sealed, it is fixed more effective.
Description
Technical Field
The application relates to the technical field of oil level measurement, in particular to a gravity balance type oil tank level sensor.
Background
The amount of oil in a vehicle tank is typically measured using a sensor located in the tank. Different sensors may be employed for different accuracy requirements. For example, in the conventional oil quantity detection, a float sensor can be adopted to judge the approximate oil quantity in an oil tank and determine whether oil needs to be added currently; the measurement accuracy of the float sensor is not sufficient for the control cost in operation, and a capacitance level sensor is generally used for detecting the oil quantity in the oil tank.
However, the existing capacitive oil tank sensor is directly fixed on an oil tank in a threaded manner, and when a vehicle runs, the vehicle cannot be jolted easily, and internal stress is generated between the sensor body and the oil tank, so that the looseness cannot be avoided after long-time use and jolt, and the lower half part of the oil quantity detection tube is not loosened easily
The sensor is in air and liquid for a long time, so that corrosion often occurs, and therefore the measurement is not accurate enough, and the cost for replacing the whole sensor is high. Accordingly, those skilled in the art have provided a gravity balanced fuel tank level sensor to address the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems set forth in the background above, the present application provides a gravity balanced fuel tank level sensor.
The application provides a gravity balance formula oil tank oil level sensor adopts following technical scheme:
gravity balance formula oil tank oil level sensor, including the oil tank, be equipped with the sensor body on the oil tank, the plug wire is pegged graft to sensor body side, the perpendicular rigid coupling dead lever of sensor body lower extreme, the dead lever runs through the oil tank and slides inside it, and the dead lever outer wall coaxial line transitional coupling that is located the oil tank inner end has the go-between, cup joints first sealing washer and second sealing washer respectively on being located the oil tank, outside the go-between, go-between outer wall coaxial line sliding connection fixture block, the fixture block runs through the snap ring and slides inside it, the snap ring coaxial line cup joints outside the go-between, is located the go-between outer wall coaxial line threaded connection nut of snap ring upper end.
Through adopting above-mentioned technical scheme, wrench movement nut makes the nut extrusion snap ring, and the fixture block of the inside joint of snap ring is inside smooth, and because of the inclined plane inclination of fixture block is greater than the round platform shape recess inclined plane inclination of snap ring, the event compresses to inside card and dies, and fixed back, and the fixture block has outside motion trend, and the event extrudees second sealing washer card on the oil tank for the power opposite direction that second sealing washer and first sealing washer received offsets internal stress, and more sealed, fixed more effective.
Preferably, the connecting ring is of a circular ring structure with a T-shaped cross section in the longitudinal direction, the clamping block is of a hollow circular truncated cone structure fixedly connected to the circular ring in a coaxial mode, the clamping ring is of a cylindrical block structure penetrating through a circular truncated cone-shaped groove structure, the slope inclination of the inclined surface of the clamping block is larger than that of the circular truncated cone-shaped groove of the clamping ring, and a triangular wedge is arranged at the contact position of the clamping ring and the clamping block.
By adopting the technical scheme, the slope inclination of the clamping block is greater than that of the circular truncated cone-shaped groove of the clamping ring, so that the clamping block is compressed to be clamped inside.
Preferably, the solid fixed ring of dead lever lower extreme coaxial line rigid coupling, solid fixed ring inner wall sealing connection oil film, the coaxial line grafting lower connecting rod in the fixed ring, connecting rod lateral wall upper end transversely runs through logical groove down, and the flexible piece of inslot sliding connection symmetry, flexible piece inner wall upper end rigid coupling spring both ends respectively, and the side all runs through by the horizontally gag lever post, the gag lever post both ends rigid coupling is at logical inslot wall respectively, flexible piece inner wall middle part adopts the pin to rotate connects linking arm one end, the linking arm other end adopts the pin to rotate connects the pull rod, the pull rod runs through lower connecting rod and stretches out the end rigid coupling pulling-on piece.
Through adopting above-mentioned technical scheme, when connecting rod under need changing, the pulling-on piece drives the pull rod gliding for the linking arm is rotatory around the pin, and the gliding pulls the inside below removal of flexible piece, nevertheless receives the gag lever post restriction, makes flexible piece inside slip locking logical inslot, and spring compression inserts solid fixed ring with the connecting rod down, loosens the pulling-on piece, and spring deformation kick-backs, thereby the card is fixed in the fixed ring to flexible piece reset, and the oil film both packs sealedly, and can quick assembly disassembly, and is simple effective.
Preferably, a third sealing ring is arranged at the contact position of the telescopic block and the fixing ring, and the telescopic block is of a quarter cylindrical block structure.
Through adopting above-mentioned technical scheme, sealed effect that increases is sealed to the third.
To sum up, the application comprises the following beneficial technical effects:
when the device is used, the nut is twisted to enable the nut to extrude the snap ring, the clamping block clamped inside the snap ring slides inwards, the inclined plane inclination of the clamping block is greater than the inclined plane inclination of the circular truncated cone-shaped groove of the snap ring, so that the clamping block is compressed to be clamped inside, and after the clamping block is fixed, the clamping block has an outward movement trend, so that the second sealing ring is extruded to be clamped on an oil tank, the force directions of the second sealing ring and the first sealing ring are opposite, the internal stress is offset, the clamping is more sealed, the fixation is more effective, when a lower connecting rod needs to be replaced, the pulling piece is pulled to drive the pull rod to slide downwards, the connecting arm rotates around the pin, the sliding traction telescopic block moves downwards inwards and downwards, but is limited by the limiting rod, the telescopic block slides inwards to be locked in the through groove, the spring is compressed, the lower connecting rod is inserted into the fixing ring to loosen the fixing ring, the spring is deformed and rebounded, the telescopic block is reset to be clamped in the fixing ring, and the oil film is sealed, and can quick assembly disassembly, it is simple effective.
Drawings
FIG. 1 is a schematic diagram of a gravity balanced fuel tank level sensor according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of the connection between the lower link and the fixing rod in the embodiment of the present application;
FIG. 3 is an enlarged schematic view of a structure at B in FIG. 1 in an embodiment of the present application;
FIG. 4 is an enlarged schematic view of FIG. 3 at C in the embodiment of the present application;
fig. 5 is an enlarged schematic structural diagram at a in fig. 1 in the embodiment of the present application.
Description of reference numerals: 1. an oil tank; 2. a sensor body; 3. inserting wires; 4. fixing the rod; 5. a connecting ring; 6. a first seal ring; 7. a second seal ring; 8. a clamping block; 9. a snap ring; 10. a triangular wedge; 11. a nut; 13. a lower connecting rod; 14. a pull tab; 15. a pull rod; 16. a fixing ring; 17. a connecting arm; 18. a telescopic block; 19. a third seal ring; 20. an oil film; 21. a limiting rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses gravity balance type oil tank level sensor. Referring to fig. 1-5, the gravity balance type oil tank level sensor comprises an oil tank 1, a sensor body 2 is arranged on the oil tank 1, a plug wire 3 is inserted into the side end of the sensor body 2, a fixing rod 4 is fixedly connected to the lower end of the sensor body 2 vertically, the fixing rod 4 penetrates through the oil tank 1 and slides in the oil tank, a connecting ring 5 is connected to the outer wall of the fixing rod 4 at the inner end and the outer end of the oil tank 1 in a coaxial transition manner, the connecting ring 5 is in a circular ring structure with a T-shaped cross section longitudinally, a first sealing ring 6 and a second sealing ring 7 are respectively sleeved on the connecting ring 5 at the inner part and the outer part of the oil tank 1, a clamping block 8 is connected to the outer wall of the connecting ring 5 in a coaxial sliding manner, the clamping block 8 is in a hollow circular truncated cone structure which is fixedly connected to the circular ring, the clamping block 8 penetrates through a clamping ring 9 and slides in the oil tank, the clamping ring 9 is in a circular truncated cone groove structure which the cylindrical block penetrates through the cylindrical block, a twisting nut 11 causes the clamping ring 9 to press the clamping block 8, and a triangular wedge 10 is arranged at a contact position, the fixture block 8 of the inside joint of snap ring 9 is inside smooth, snap ring 9 coaxial line cup joints in go-between 5 outsides, be located go-between 5 outer wall coaxial line threaded connection nut 11 of snap ring 9 upper end, because of the inclined plane inclination of fixture block 8 is greater than the circular platform shape recess inclined plane inclination of snap ring 9, the event compresses to inside card and dies, fixed back, fixture block 8 has outside motion trend, the event extrudes 7 cards of second sealing washer on oil tank 1, make the power opposite direction that second sealing washer 7 and first sealing washer 6 received, offset internal stress, and it is more sealed, it is fixed more effective.
The lower end of a fixed rod 4 is coaxially and fixedly connected with a fixed ring 16, the inner wall of the fixed ring 16 is hermetically connected with an oil film 20, a lower connecting rod 13 is coaxially inserted in the fixed ring 16, the upper end of the side wall of the lower connecting rod 13 transversely penetrates through a through groove, symmetrical telescopic blocks 18 are slidably connected in the through groove, a third sealing ring 19 is arranged at the contact position of the telescopic blocks 18 and the fixed ring 16, the upper ends of the inner walls of the telescopic blocks 18 are respectively and fixedly connected with two ends of a spring, the side ends of the upper ends of the inner walls of the telescopic blocks 18 are respectively and fixedly connected with the inner wall of the through groove, two ends of the limiting rod 21 are respectively and fixedly connected with the inner wall of the through groove, the middle part of the inner wall of the telescopic blocks 18 is rotationally connected with one end of a connecting arm 17 by a pin, when the lower connecting rod 13 needs to be replaced, the pull rod 15 is pulled to slide downwards, the connecting arm 17 rotates around the pin, the lower slide pulls the telescopic blocks 18 to move inwards and tightly lock the through groove under the limiting action of the limiting rod 21, the spring is compressed, the other end of the connecting arm 17 is rotationally connected with the pull rod 15 by the pin, the pull rod 15 penetrates through the lower connecting rod 13 and stretches out the end to be fixedly connected with the pull piece 14, the lower connecting rod 13 is inserted into the fixing ring 16, the pull piece 14 is loosened, the spring deforms and rebounds, the telescopic block 18 resets to be clamped in the fixing ring 16 to be fixed, the oil film 20 is packaged and sealed, and the quick mounting and dismounting can be realized.
The implementation principle of the gravity balance type oil tank level sensor in the embodiment of the application is as follows: when the device is used, the nut 11 is twisted to enable the nut 11 to extrude the snap ring 9, the clamping block 8 clamped inside the snap ring 9 slides inwards, the inclined plane inclination of the clamping block 8 is greater than that of the circular truncated cone-shaped groove of the snap ring 9, so that the clamping block is compressed to be clamped inside, and after the clamping block 8 is fixed, the clamping block 8 has an outward movement trend, so that the second sealing ring 7 is extruded to be clamped on the oil tank 1, the force directions of the second sealing ring 7 and the first sealing ring 6 are opposite, the internal stress is counteracted, the sealing is realized, the fixing is more effective, when the lower connecting rod 13 needs to be replaced, the pulling piece 14 is pulled to drive the pull rod 15 to slide downwards, the connecting arm 17 rotates around the pin, the sliding pulling telescopic block 18 moves inwards and downwards, but is limited by the limiting rod 21, the telescopic block 18 slides inwards to lock the through groove, the spring is compressed, the lower connecting rod 13 is inserted into the fixing ring 16, the pulling piece 14 is loosened, and the spring deforms and rebounds, thereby the flexible piece 18 resets and blocks the card and fix in solid fixed ring 16, and oil film 20 both packs sealedly, and can quick assembly disassembly, and is simple effective.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (4)
1. Gravity balance formula oil tank level sensor, including oil tank (1), its characterized in that: a sensor body (2) is arranged on the oil tank (1), a plug wire (3) is inserted at the side end of the sensor body (2), the lower end of the sensor body (2) is vertically and fixedly connected with a fixed rod (4), the fixed rod (4) penetrates through the oil tank (1) and slides in the oil tank, the outer wall of the fixed rod (4) positioned at the inner end and the outer end of the oil tank (1) is coaxially and transitionally connected with a connecting ring (5), the connecting ring (5) positioned at the inner end and the outer end of the oil tank (1) is respectively sleeved with a first sealing ring (6) and a second sealing ring (7), the outer wall of the connecting ring (5) is coaxially and slidably connected with a clamping block (8), the clamping block (8) penetrates through the clamping ring (9) and slides in the clamping ring (9), the snap ring (9) is coaxially sleeved outside the connecting ring (5), and a nut (11) is connected with the outer wall of the connecting ring (5) at the upper end of the snap ring (9) in a threaded manner.
2. The gravity-balanced fuel tank level sensor according to claim 1, wherein: the connecting ring (5) is longitudinally of a circular ring structure with a T-shaped cross section, the clamping block (8) is of a hollow circular truncated cone structure fixedly connected with the circular ring through a coaxial line, the clamping ring (9) is of a cylindrical block inner through circular truncated cone-shaped groove structure, the slope of the inclined plane of the clamping block (8) is larger than that of the circular truncated cone-shaped groove of the clamping ring (9), and the clamping ring (9) and the clamping block (8) are provided with triangular wedges (10) in contact positions.
3. The gravity-balanced fuel tank level sensor according to claim 1, wherein: the utility model discloses a fixed ring (16) of dead lever (4) lower extreme coaxial line rigid coupling, gu fixed ring (16) inner wall sealing connection oil film (20), link rod (13) down is pegged graft to the coaxial line in fixed ring (16), link rod (13) lateral wall upper end transversely runs through logical groove down, and flexible piece (18) of inslot sliding connection symmetry, flexible piece (18) inner wall upper end rigid coupling spring both ends respectively, and the side all is run through by horizontally gag lever post (21), gag lever post (21) both ends rigid coupling is at logical inslot wall respectively, flexible piece (18) inner wall middle part adopts pin rotation to connect linking arm (17) one end, linking arm (17) other end adopts pin rotation to connect pull rod (15), pull rod (15) run through down link rod (13) and stretch out end rigid coupling pulling-on piece (14).
4. The gravity-balanced fuel tank level sensor according to claim 3, wherein: and a third sealing ring (19) is arranged at the contact position of the telescopic block (18) and the fixed ring (16), and the telescopic block (18) is of a quarter cylindrical block structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122785270.6U CN216184464U (en) | 2021-11-15 | 2021-11-15 | Gravity balance type oil tank level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122785270.6U CN216184464U (en) | 2021-11-15 | 2021-11-15 | Gravity balance type oil tank level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216184464U true CN216184464U (en) | 2022-04-05 |
Family
ID=80910718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122785270.6U Expired - Fee Related CN216184464U (en) | 2021-11-15 | 2021-11-15 | Gravity balance type oil tank level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216184464U (en) |
-
2021
- 2021-11-15 CN CN202122785270.6U patent/CN216184464U/en not_active Expired - Fee Related
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| 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: 20220405 |