CN114046427B - Externally-mounted oil quantity sensor - Google Patents
Externally-mounted oil quantity sensor Download PDFInfo
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- CN114046427B CN114046427B CN202111335622.6A CN202111335622A CN114046427B CN 114046427 B CN114046427 B CN 114046427B CN 202111335622 A CN202111335622 A CN 202111335622A CN 114046427 B CN114046427 B CN 114046427B
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 12
- 239000000565 sealant Substances 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 239000002828 fuel tank Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0258—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using resiliently deformable sleeves, grommets or inserts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
Abstract
The invention relates to the technical field of sensors, in particular to an externally-mounted oil mass sensor which comprises an oil tank, a cylinder a, a support ring, a support plate, a cylinder b, a fixed block a and a fixed block b, wherein the cylinder a is arranged on the support ring; the cylinder a penetrates through the through hole a, a plurality of groups of strip-shaped grooves are formed in the inner peripheral wall of the cylinder a, a limiting ring is arranged on the outer peripheral wall of the cylinder a, and the limiting ring is connected with the oil tank through screws; the support ring is arranged on the outer peripheral wall of the cylinder a; the lower end face of the supporting plate and the upper end face of the supporting ring are provided with opposite elastic sealing gaskets, and the supporting plate is provided with a sensor body; the cylinder b is vertically arranged at the bottom of the supporting plate; a plurality of groups of fixed blocks a are arranged on the outer peripheral wall of the bottom of the barrel b, and a guide inclined plane is arranged on one side of the groove wall of the strip-shaped groove; a plurality of groups of fixed blocks b are arranged on the lower end surface of the cylinder a; the supporting plate is provided with a limiting component for preventing the supporting plate from rotating. According to the invention, the operation is simple, the installation difficulty is low, the two groups of elastic sealing gaskets are mutually extruded, the sealing effect is good, and meanwhile, the sensor body is simple and convenient to replace in the later period.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to an externally-mounted oil mass sensor.
Background
When an existing oil mass sensor is installed, a hole is drilled on an oil tank, then the hole is externally provided with an installation flange, the flange is generally fixed on the outer wall of the oil tank through four screws, then the sensor is fixed on the flange, an oil rod of the sensor is inserted into the oil tank, wiring of the sensor is connected into a control system, and finally oil leakage gaps are completely sealed through metal sealant.
Chinese patent with application number CN201820412857.8 discloses a mounting structure and a fastening tool for a fuel level sensor and a fuel tank, the mounting structure comprises the fuel tank and the fuel level sensor, a plurality of first protrusions are arranged on a circumferential inner wall of a mounting hole of the fuel tank, and a first circumferential binding surface is arranged at the mounting hole; the mounting part on the oil mass sensor comprises a cylindrical stop block, and a circular truncated cone is arranged in the middle of the cylindrical stop block; the cylindrical stop block is provided with a second circumferential binding surface, the circumferential outer wall of the circular truncated cone is provided with a plurality of second bulges, and a first bulge clamping groove is formed between each second bulge and the second circumferential binding surface; one side of the cylindrical stop block, which is far away from the circular truncated cone, is provided with a cylindrical fastening block, and the circumferential outer wall surface of the fastening block is provided with at least two open slots, so that the connection between the fuel quantity sensor and the fuel tank can be better realized.
However, the above-mentioned known solutions have the following disadvantages: it is comparatively difficult to have the processing that a plurality of first archs lead to the mounting hole on the mounting hole pore wall, and needs certain machining precision requirement, and often the trompil all is that user oneself takes the drilling opening, and the mounting hole of this kind of structure causes the very big degree of difficulty of using to the user, and first circumferential binding face and second circumferential binding face laminate mutually in addition and realize the face seal, and sealed effect is relatively poor, and it is great to receive the restriction of machining precision, and the production degree of difficulty improves.
Disclosure of Invention
The invention aims to provide an externally-mounted oil quantity sensor aiming at the problems of troublesome mounting process, high mounting difficulty and difficult guarantee of sealing effect in the background technology.
On one hand, the invention provides an externally-mounted oil quantity sensor which comprises an oil tank, a cylinder a, a support ring, a support plate, a cylinder b, a fixing block a and a fixing block b;
a through hole a is vertically formed in the oil tank; the barrel a vertically penetrates through the through hole a, a plurality of groups of strip-shaped grooves are vertically formed in the inner peripheral wall of the barrel a, openings are formed in the upper end face and the lower end face of the barrel a through the strip-shaped grooves, a limiting ring is horizontally arranged on the outer peripheral wall of the barrel a, a plurality of groups of through holes b are vertically formed in the limiting ring, the limiting ring is connected with an oil tank through a plurality of groups of screws, and metal sealant is coated between the contact surface of the limiting ring and the oil tank and in the through holes b; the support ring is horizontally arranged on the outer peripheral wall of the cylinder a, and the upper end face of the support ring is positioned above the upper end face of the cylinder a; the supporting plate is horizontally arranged, the lower end face of the supporting plate and the upper end face of the supporting ring are provided with opposite elastic sealing gaskets, the two groups of elastic sealing gaskets are extruded and attached, a sensor body is arranged on the supporting plate, and a detection oil rod of the sensor body penetrates through the supporting plate and the barrel b; the cylinder b is vertically arranged at the bottom of the supporting plate and penetrates through the cylinder a; a plurality of groups of fixed blocks a are arranged on the outer peripheral wall of the bottom of the barrel b, one side of the groove wall of the strip-shaped groove is provided with a guide inclined plane, and the fixed blocks a are attached to the lower end face of the barrel a after being guided by the guide inclined plane; a plurality of groups of fixed blocks b are arranged on the lower end surface of the barrel a, and are respectively attached to the plurality of groups of fixed blocks a; the supporting plate is provided with a limiting component for preventing the supporting plate from rotating.
Preferably, the device further comprises a pressing assembly, wherein the pressing assembly comprises a flat plate, a bolt b and a cylinder d; the flat plate is horizontally arranged on the peripheral wall of the supporting plate, and a through hole c is vertically formed in the flat plate; the bottom of the bolt b penetrates through the through hole c and is inserted into the cylinder d, the head of the bolt b is attached to the top of the flat plate, the cylinder d is vertically arranged on the limiting ring, and threads matched with the bolt b are arranged on the inner peripheral wall of the cylinder d; the four groups of pressing assemblies are uniformly distributed along the circumference by taking the axis of the supporting plate as the center.
Preferably, the limiting assembly comprises a bolt a and a cylinder c; the supporting plate is vertically provided with a plurality of groups of threaded holes, the bolts a are matched with the threaded holes, the bolts a are provided with a plurality of groups, the bottom of each bolt a is vertically provided with a limiting rod, the bottom of each limiting rod is matched with a barrel c, the barrel c is vertically arranged on a limiting ring, and the barrel c is provided with a plurality of groups.
Preferably, two groups of vertical rods are vertically arranged on the supporting plate and are positioned at two ends of the diameter of the supporting plate.
Preferably, four groups of bolts a and four groups of bolts c are arranged, and the four groups of bolts a are uniformly distributed along the circumference by taking the axis of the limiting ring as the center.
On the other hand, the invention provides an installation method based on an external oil quantity sensor, which comprises the following steps: s1, a through hole a is formed in an oil tank, a barrel a penetrates through the through hole a to enable a limiting ring to be tightly attached to the outer wall of the oil tank, and the limiting ring is fixed through screws; s2, coating metal sealant in the through hole b, and coating the metal sealant on the periphery of a contact surface of the limiting ring and the oil tank; s3, aligning the fixing block a to the strip-shaped groove, enabling the barrel b to penetrate through the barrel a, holding the vertical rod to rotate the supporting plate, enabling the fixing block a to be attached to the lower end face of the barrel a after being guided by the guide inclined plane, and enabling the two groups of elastic sealing gaskets to be tightly extruded and attached under the action of the guide inclined plane to complete sealing; s4, continuing to rotate the supporting plate until the fixing block a is attached to the fixing block b, rotating the bolt a, and inserting the bottom of the limiting rod into the cylinder c; s5, the rotating bolt b drives the supporting plate to continuously move downwards, so that the two groups of elastic sealing gaskets are further extruded, and the sealing effect is improved.
Compared with the prior art, the invention has the following beneficial technical effects: the user only need on the oil tank beat through-hole an can, as for through-hole an's shape and required precision very low, easy operation installation degree of difficulty is low, and two sets of elastic sealing gasket extrude each other, and sealed effectual, in addition push down two sets of elastic sealing gasket of further extrusion of subassembly, further improve sealed effect, the later stage if need change the sensor body simultaneously the later stage, only need pull down behind bolt an and the reverse rotation backup pad upwards pull out can, the change of sensor body is simple and convenient.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is an enlarged view of FIG. 3 at A;
fig. 5 is a flow chart of an installation method.
Reference numerals: 1. an oil tank; 2. a through hole a; 3. a cylinder body a; 4. a strip-shaped groove; 5. a limiting ring; 6. a through hole b; 7. a screw; 8. a support ring; 9. a support plate; 10. a cylinder b; 11. a sensor body; 12. a fixed block a; 13. a guide slope; 14. a fixed block b; 15. an elastic sealing gasket; 16. a bolt a; 17. a cylinder c; 18. a limiting rod; 19. a vertical rod; 20. a flat plate; 21. a through hole c; 22. a bolt b; 23. and (e) a cylinder body d.
Detailed Description
Example one
As shown in fig. 1 to 4, the externally-mounted fuel sensor according to the present invention includes a fuel tank 1, a cylinder a3, a support ring 8, a support plate 9, a cylinder b10, a fixing block a12, and a fixing block b14;
a through hole a2 is vertically arranged on the oil tank 1; the cylinder a3 vertically penetrates through the through hole a2, four groups of strip-shaped grooves 4 are vertically arranged on the inner peripheral wall of the cylinder a3, the four groups of strip-shaped grooves 4 are uniformly distributed along the circumference by taking the axis of the cylinder a3 as the center, the strip-shaped grooves 4 form openings on the upper end surface and the lower end surface of the cylinder a3, the outer peripheral wall of the cylinder a3 is horizontally provided with a limiting ring 5, a plurality of groups of through holes b6 are vertically arranged on the limiting ring 5, the limiting ring 5 is connected with the oil tank 1 through a plurality of groups of screws 7, and metal sealant is coated between the contact surface of the limiting ring 5 and the oil tank 1 and in the through holes b 6; the support ring 8 is horizontally arranged on the outer peripheral wall of the cylinder a3, and the upper end surface of the support ring 8 is positioned above the upper end surface of the cylinder a 3; the supporting plate 9 is horizontally arranged, the lower end face of the supporting plate 9 and the upper end face of the supporting ring 8 are provided with opposite elastic sealing gaskets 15, the two groups of elastic sealing gaskets 15 are extruded and attached, the elastic sealing gaskets 15 are nitrile rubber sealing rings, the supporting plate 9 is provided with a sensor body 11, a detection oil rod of the sensor body 11 penetrates through the supporting plate 9 and a cylinder b10, the supporting plate 9 is vertically provided with two groups of vertical rods 19, and the two groups of vertical rods 19 are positioned at two ends of the diameter of the supporting plate 9; the cylinder b10 is vertically arranged at the bottom of the supporting plate 9, the cylinder b10 penetrates through the cylinder a3, and the cylinder b10 and the cylinder a3 are coaxially arranged; four groups of fixed blocks a12 are arranged on the outer peripheral wall of the bottom of the cylinder b10, one side of the groove wall of the strip-shaped groove 4 is provided with a guide inclined plane 13, and the fixed blocks a12 penetrate through the strip-shaped groove 4 in a matched mode, are guided by the guide inclined plane 13 and then are attached to the lower end face of the cylinder a 3; four groups of fixed blocks b14 are arranged on the lower end face of the barrel a3, and a plurality of groups of fixed blocks b14 are respectively attached to a plurality of groups of fixed blocks a 12; a limiting component for preventing the supporting plate 9 from rotating is arranged on the supporting plate and comprises a bolt a16 and a cylinder c17; the supporting plate 9 is vertically provided with a plurality of groups of threaded holes, the bolts a16 are matched with the threaded holes, the bolts a16 are provided with four groups, the four groups of bolts a16 are uniformly distributed around the axis of the limiting ring 5, the bottom of the bolt a16 is vertically provided with a limiting rod 18, the bottom of the limiting rod 18 is matched and inserted into the barrel c17, the barrel c17 is vertically arranged on the limiting ring 5, and the barrel c17 is provided with four groups.
The installation process of this embodiment is as follows: the method comprises the steps of forming a through hole a2 in an oil tank 1, enabling a barrel a3 to penetrate through the through hole a2 to enable a limiting ring 5 to be tightly attached to the outer wall of the oil tank 1, fixing the limiting ring 5 through a screw 7, coating metal sealant in a through hole b6, coating the metal sealant on the periphery of the contact surface of the limiting ring 5 and the oil tank 1, aligning a fixing block a12 to a strip-shaped groove 4, enabling a barrel b10 to penetrate through the barrel a3, holding a vertical rod 19 to rotate a supporting plate 9, enabling the fixing block a12 to be attached to the lower end face of the barrel a3 after being guided by a guide inclined plane 13, enabling two groups of elastic sealing gaskets 15 to be tightly extruded and attached under the action of the guide inclined plane 13 to complete sealing, continuing to rotate the supporting plate 9 until the fixing block a12 is attached to a fixing block b14, rotating a bolt a16, inserting the bottom of a limiting rod 18 into a barrel c17, and preventing the supporting plate 9 from rotating; in this embodiment, the user only need on oil tank 1 beat through-hole a2 can, as for through-hole a 2's shape and required precision very low, easy operation installation degree of difficulty is low, and two sets of elastic sealing pad 15 extrude each other, and is sealed effectual, if the later stage need be changed when sensor body 11 simultaneously, only need pull down bolt a16 and reverse rotation backup pad 9 back pull out can, sensor body 11's change is simple and convenient.
Example two
Compared with the first embodiment, the externally-mounted oil quantity sensor further comprises a pressing component, wherein the pressing component comprises a flat plate 20, a bolt b22 and a cylinder d23; the flat plate 20 is horizontally arranged on the peripheral wall of the support plate 9, and a through hole c21 is vertically arranged on the flat plate 20; the bottom of the bolt b22 penetrates through the through hole c21 and is inserted into the cylinder d23, the head of the bolt b22 is attached to the top of the flat plate 20, the cylinder d23 is vertically arranged on the limiting ring 5, and threads matched with the bolt b22 are arranged on the inner peripheral wall of the cylinder d23; the four groups of pressing components are uniformly distributed along the circumference by taking the axis of the supporting plate 9 as the center.
In this embodiment, the rotating bolt b22 drives the supporting plate 9 to move downward, so as to further extrude the two sets of elastic sealing gaskets 15, thereby improving the sealing effect.
EXAMPLE III
As shown in fig. 5, the mounting method based on the embodiment of the externally-mounted oil sensor includes the following steps:
s1, a through hole a2 is formed in an oil tank 1, a barrel a3 penetrates through the through hole a2 to enable a limiting ring 5 to be tightly attached to the outer wall of the oil tank 1, and the limiting ring 5 is fixed through a screw 7;
s2, coating metal sealant in the through hole b6, and coating the metal sealant on the periphery of the contact surface of the limiting ring 5 and the oil tank 1;
s3, aligning the fixing block a12 to the strip-shaped groove 4, enabling the cylinder b10 to penetrate through the cylinder a3, holding the vertical rod 19 to rotate the supporting plate 9, enabling the fixing block a12 to be attached to the lower end face of the cylinder a3 after being guided by the guide inclined plane 13, and enabling the two groups of elastic sealing gaskets 15 to be tightly extruded and attached under the action of the guide inclined plane 13 to complete sealing;
s4, continuing to rotate the supporting plate 9 until the fixing block a12 is attached to the fixing block b14, rotating the bolt a16, and inserting the bottom of the limiting rod 18 into the cylinder c17;
s5, the rotating bolt b22 drives the supporting plate 9 to continuously move downwards, and the two groups of elastic sealing gaskets 15 are further extruded, so that the sealing effect is improved.
In this embodiment, the user only need on oil tank 1 beat through-hole a2 can, as for through-hole a 2's shape and required precision are very low, easy operation installation degree of difficulty is low, and two sets of elastic sealing pad 15 extrude each other, it is sealed effectual, in addition push down two sets of elastic sealing pad 15 of further extrusion of subassembly, further improve sealed effect, simultaneously later stage if need change sensor body 11, only need pull down bolt a16 and reverse rotation backup pad 9 after pull out can, sensor body 11's change is simple and convenient.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (6)
1. An externally-mounted oil quantity sensor is characterized by comprising an oil tank (1), a cylinder a (3), a support ring (8), a support plate (9), a cylinder b (10), a fixing block a (12) and a fixing block b (14);
a through hole a (2) is vertically arranged on the oil tank (1); the barrel a (3) vertically penetrates through the through hole a (2), a plurality of groups of strip-shaped grooves (4) are vertically arranged on the inner peripheral wall of the barrel a (3), openings are formed in the strip-shaped grooves (4) on the upper end surface and the lower end surface of the barrel a (3), a limiting ring (5) is horizontally arranged on the outer peripheral wall of the barrel a (3), a plurality of groups of through holes b (6) are vertically arranged on the limiting ring (5), the limiting ring (5) is connected with the oil tank (1) through a plurality of groups of screws (7), and metal sealant is coated between the contact surfaces of the limiting ring (5) and the oil tank (1) and in the through holes b (6); the support ring (8) is horizontally arranged on the outer peripheral wall of the cylinder a (3), and the upper end face of the support ring (8) is positioned above the upper end face of the cylinder a (3); the supporting plate (9) is horizontally arranged, the lower end face of the supporting plate (9) and the upper end face of the supporting ring (8) are provided with opposite elastic sealing gaskets (15), the two groups of elastic sealing gaskets (15) are extruded and attached, the supporting plate (9) is provided with a sensor body (11), and a detection oil rod of the sensor body (11) penetrates through the supporting plate (9) and the cylinder b (10); the cylinder b (10) is vertically arranged at the bottom of the support plate (9), and the cylinder b (10) penetrates through the cylinder a (3); a plurality of groups of fixed blocks a (12) are arranged on the peripheral wall of the bottom of the cylinder b (10), one side of the groove wall of the strip-shaped groove (4) is provided with a guide inclined plane (13), and the fixed blocks a (12) are attached to the lower end face of the cylinder a (3) after being guided by the guide inclined plane (13); a plurality of groups of fixing blocks b (14) are arranged on the lower end surface of the barrel a (3), and the groups of fixing blocks b (14) are respectively attached to the groups of fixing blocks a (12); the supporting plate (9) is provided with a limiting component for preventing the supporting plate from rotating.
2. The exterior oil level sensor according to claim 1, further comprising a hold-down assembly including a plate (20), a bolt b (22), and a cylinder d (23); the flat plate (20) is horizontally arranged on the peripheral wall of the support plate (9), and a through hole c (21) is vertically formed in the flat plate (20); the bottom of the bolt b (22) penetrates through the through hole c (21) and is inserted into the barrel d (23), the head of the bolt b (22) is attached to the top of the flat plate (20), the barrel d (23) is vertically arranged on the limiting ring (5), and threads matched with the bolt b (22) are arranged on the inner peripheral wall of the barrel d (23); the four groups of pressing components are uniformly distributed along the circumference by taking the axis of the supporting plate (9) as the center.
3. The externally-mounted oil level sensor according to claim 1, wherein the limiting member includes a bolt a (16) and a cylinder c (17); the vertical multiunit screw hole that sets up on backup pad (9), bolt a (16) and screw hole cooperation, bolt a (16) set up the multiunit, and vertical gag lever post (18) that sets up in bolt a (16) bottom, and in barrel c (17) was inserted in the cooperation of gag lever post (18) bottom, barrel c (17) was vertical to be set up on spacing ring (5), and barrel c (17) sets up the multiunit.
4. An externally mounted oil level sensor according to claim 1, wherein two sets of vertical rods (19) are vertically arranged on the support plate (9), the two sets of vertical rods (19) being located at two ends of the diameter of the support plate (9).
5. The exterior oil level sensor according to claim 3, wherein four sets of the bolts a (16) and the cylindrical bodies c (17) are provided, and the four sets of the bolts a (16) are uniformly distributed along the circumference around the axis of the stopper ring (5).
6. A method of mounting an exterior oil sensor according to any one of claims 1 to 5, comprising the steps of:
s1, a through hole a (2) is formed in an oil tank (1), a barrel a (3) penetrates through the through hole a (2) to enable a limiting ring (5) to be tightly attached to the outer wall of the oil tank (1), and the limiting ring (5) is fixed through a screw (7);
s2, coating metal sealant in the through hole b (6), and coating the metal sealant on the periphery of the contact surface of the limiting ring (5) and the oil tank (1);
s3, aligning a fixing block a (12) to the strip-shaped groove (4), enabling a cylinder b (10) to penetrate through the cylinder a (3), holding a vertical rod (19) to rotate the supporting plate (9), guiding the fixing block a (12) through a guide inclined plane (13) to be attached to the lower end face of the cylinder a (3), and tightly extruding and attaching two groups of elastic sealing gaskets (15) under the action of the guide inclined plane (13) to complete sealing;
s4, continuing to rotate the supporting plate (9) until the fixing block a (12) is attached to the fixing block b (14), rotating the bolt a (16), and inserting the bottom of the limiting rod (18) into the cylinder c (17);
s5, the rotating bolt b (22) drives the supporting plate (9) to continuously move downwards, so that the two groups of elastic sealing gaskets (15) are further extruded, and the sealing effect is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111335622.6A CN114046427B (en) | 2021-11-11 | 2021-11-11 | Externally-mounted oil quantity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111335622.6A CN114046427B (en) | 2021-11-11 | 2021-11-11 | Externally-mounted oil quantity sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114046427A CN114046427A (en) | 2022-02-15 |
| CN114046427B true CN114046427B (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111335622.6A Active CN114046427B (en) | 2021-11-11 | 2021-11-11 | Externally-mounted oil quantity sensor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1983313A2 (en) * | 2007-04-19 | 2008-10-22 | Delphi Technologies, Inc. | Sealed fuel level sensors |
| CN207703288U (en) * | 2018-01-10 | 2018-08-07 | 武汉卡尔玛汽车电子有限公司 | A kind of fuel-quantity transducer |
| CN207907991U (en) * | 2018-03-26 | 2018-09-25 | 安徽江淮汽车集团股份有限公司 | A kind of mounting structure and fastening tool of fuel-quantity transducer and fuel tank |
| CN213322666U (en) * | 2020-09-30 | 2021-06-01 | 上汽通用五菱汽车股份有限公司 | Fixing assembly of oil tank vent valve |
| CN214010475U (en) * | 2021-01-06 | 2021-08-20 | 浙江吉利控股集团有限公司 | Oil tank level sensor |
| CN214470949U (en) * | 2021-03-31 | 2021-10-22 | 何晓燕 | Agricultural ecological environment monitoring devices |
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2021
- 2021-11-11 CN CN202111335622.6A patent/CN114046427B/en active Active
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| EP1983313A2 (en) * | 2007-04-19 | 2008-10-22 | Delphi Technologies, Inc. | Sealed fuel level sensors |
| CN207703288U (en) * | 2018-01-10 | 2018-08-07 | 武汉卡尔玛汽车电子有限公司 | A kind of fuel-quantity transducer |
| CN207907991U (en) * | 2018-03-26 | 2018-09-25 | 安徽江淮汽车集团股份有限公司 | A kind of mounting structure and fastening tool of fuel-quantity transducer and fuel tank |
| CN213322666U (en) * | 2020-09-30 | 2021-06-01 | 上汽通用五菱汽车股份有限公司 | Fixing assembly of oil tank vent valve |
| CN214010475U (en) * | 2021-01-06 | 2021-08-20 | 浙江吉利控股集团有限公司 | Oil tank level sensor |
| CN214470949U (en) * | 2021-03-31 | 2021-10-22 | 何晓燕 | Agricultural ecological environment monitoring devices |
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| CN114046427A (en) | 2022-02-15 |
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