CN210212035U - Vehicle oil port adapter and vehicle oil level monitoring device - Google Patents
Vehicle oil port adapter and vehicle oil level monitoring device Download PDFInfo
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- CN210212035U CN210212035U CN201921167666.0U CN201921167666U CN210212035U CN 210212035 U CN210212035 U CN 210212035U CN 201921167666 U CN201921167666 U CN 201921167666U CN 210212035 U CN210212035 U CN 210212035U
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Abstract
The application discloses vehicle hydraulic fluid port adapter and vehicle oil level monitoring devices. The vehicle oil port adapter comprises a fixed seat, an oil filter cylinder, a clamping sleeve and at least one clamping jaw, wherein the fixed seat is used for being fixed on an oil tank port of a vehicle; the upper end of the oil filter cylinder is clamped in the fixed seat, and the lower end of the oil filter cylinder sequentially passes through the fixed seat and the oil tank opening and extends into an oil tank of a vehicle; the clamping sleeve is sleeved on the oil filter cylinder, the clamping sleeve and the fixing seat are respectively located on two sides of the oil tank opening, each clamping jaw in at least one clamping jaw corresponds to one notch of the oil tank opening, the first end of each clamping jaw is located in one notch of the oil tank opening, and the other end of each clamping jaw and the clamping sleeve are of an integrated structure. The application solves the technical problem that in the related art, the oil port adapter of the vehicle is not firm in fixation of the oil filter cylinder.
Description
Technical Field
The application relates to the technical field of vehicle equipment, in particular to a vehicle oil port adapter and a vehicle oil level monitoring device.
Background
For filtering the fuel oil added into the oil tank and preventing the oil suction pipe from extending into the oil tank to steal the oil, an oil filter cylinder is usually placed in an oil tank opening of the oil tank to realize the functions of filtering and preventing theft. In recent years, with the continuous rise of diesel oil price, fuel oil cases of stealing engineering mechanical equipment such as trucks and the like frequently occur all over the country, thereby bringing great troubles to vehicle owners. Therefore, the oil filter cylinder arranged at the oil tank opening becomes a commonly used anti-theft means for an owner, fuel can be injected into the oil tank through the oil filter cylinder at the oil tank opening, and the oil pumping pipe cannot extend into the oil tank to take the fuel, so that the risk of fuel theft can be reduced to a certain extent. However, the size of the oil filter cylinder needs to be just matched with the oil tank opening of the oil tank, so that the oil filter cylinders with different types need to be arranged for the oil tank openings with different calibers, and the oil filter cylinder is poor in practicability and has certain limitation. In order to solve the problems that different oil filter cylinders are single in size and fixed in shape and cannot adapt to oil tank ports of oil tanks of different sizes, vehicle oil port adapters are provided in the related art to fix the oil filter cylinders, but the current vehicle oil port adapters do not firmly fix the oil filter cylinders and are easy to cause structural damage.
Aiming at the problem that the oil port adapter of the vehicle in the prior art is not firmly fixed on an oil filter cylinder, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides a vehicle hydraulic fluid port adapter and vehicle oil level monitoring devices to solve among the correlation technique vehicle hydraulic fluid port adapter and not firm problem to the fixed of oil filter.
To achieve the above object, in a first aspect, the present application provides a vehicle port adapter.
The vehicle oil port adapter according to the present application includes: the oil filter comprises a fixed seat, an oil filter cylinder, a clamping sleeve and at least one clamping jaw, wherein the fixed seat, the oil filter cylinder, the clamping sleeve and the at least one clamping jaw are fixed on an oil tank opening of a vehicle;
the upper end of the oil filter cylinder is clamped in the fixed seat, and the lower end of the oil filter cylinder sequentially passes through the fixed seat and the oil tank opening and extends into an oil tank of a vehicle; the clamping sleeve is sleeved on the oil filter cylinder, the clamping sleeve and the fixing seat are respectively located on two sides of the oil tank opening, each clamping jaw in at least one clamping jaw corresponds to one notch of the oil tank opening, the first end of each clamping jaw is located in one notch of the oil tank opening, and the other end of each clamping jaw and the clamping sleeve are of an integrated structure.
Optionally, a threaded section is arranged on the oil filter cylinder, threads matched with the threaded section are arranged on the inner wall of the clamping sleeve, and the clamping sleeve is in threaded connection with the threaded section of the oil filter cylinder.
Optionally, the vehicle oil port adapter further comprises at least one limiting plate, the upper end of the limiting plate is connected to the fixing seat, and the lower end of the limiting plate is arranged on one side of the clamping jaw to limit the clamping jaw to rotate along the central axis of the oil filter cylinder;
each clamping jaw is positioned right below the corresponding notch of the oil tank opening.
Optionally, the vehicle oil port adapter comprises at least two jaws.
Optionally, at least two jaws are arranged uniformly on the sleeve.
Optionally, the upper end of the oil filtering cylinder is provided with a flange, the fixing base is provided with a first through hole for allowing the lower end of the oil filtering cylinder to pass through, the inner wall of the first through hole is provided with a limiting boss, the limiting boss is located between the flange and the oil tank opening, the upper end of the oil filtering cylinder is clamped in the first through hole of the fixing base, the limiting boss is in contact with the flange, and the limiting boss limits the position of the flange.
In a second aspect, the present application further provides a vehicle oil level monitoring device, including the above vehicle oil port adapter.
Optionally, the vehicle oil level monitoring device further comprises a liquid level sensor and a connecting line;
the upper end of connecting wire is connected on the fixing base, and level sensor connects the lower extreme at the connecting wire, and level sensor is located the vehicle oil tank.
Optionally, the vehicle oil level monitoring device further comprises a circuit board and a housing;
the outer cover is arranged at the upper end of the fixed seat, and the circuit board is arranged between the fixed seat and the outer cover;
the fixing base is provided with a second through hole for connecting the connecting wire, the upper end of the connecting wire is connected in the second through hole, the connecting wire is a wire, one end of the wire is electrically connected with the liquid level sensor, and the other end of the wire penetrates through the second through hole and is electrically connected with the circuit board.
Optionally, the vehicle oil level monitoring device further comprises a gasket;
the sealing gasket is arranged between the oil tank opening and the fixing seat, and a third through hole used for accommodating the oil filter cylinder and the connecting wire respectively is formed in the sealing gasket.
In the embodiment of this application, provide a vehicle hydraulic fluid port adapter, through setting up: the oil filter comprises a fixed seat, an oil filter cylinder, a clamping sleeve and at least one clamping jaw, wherein the fixed seat, the oil filter cylinder, the clamping sleeve and the at least one clamping jaw are fixed on an oil tank opening of a vehicle; the upper end of the oil filter cylinder is clamped in the fixed seat, and the lower end of the oil filter cylinder sequentially passes through the fixed seat and the oil tank opening and extends into an oil tank of a vehicle; the clamping sleeve is sleeved on the oil filter cylinder, the clamping sleeve and the fixing seat are respectively located on two sides of the oil tank opening, each clamping jaw in at least one clamping jaw corresponds to one notch of the oil tank opening, the first end of each clamping jaw is located in one notch of the oil tank opening, and the other end of each clamping jaw and the clamping sleeve are of an integrated structure. Therefore, the clamping sleeve and the at least one clamping jaw are arranged, the oil filter cylinder can be firmly limited on the fixed seat and the oil tank opening, the clamping jaw and the clamping sleeve are integrated, the structural strength between the clamping jaw and the clamping sleeve is high, the clamping jaw and the clamping sleeve are not easy to damage, the oil filter cylinder is tightly extruded and fixed on the oil tank opening, and the oil stealing prevention capability of the vehicle oil port adapter is improved. And then solve vehicle hydraulic fluid port adapter among the correlation technique and to the problem of the oil filter's of not firm fixed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic structural diagram of a vehicle oil port adapter provided according to an embodiment of the present application;
FIG. 2 is a schematic structural view of an oil filter cartridge provided according to an embodiment of the present application;
fig. 3 is a schematic cross-sectional view of a vehicle oil level monitoring device according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted", "provided", "connected", "slidably connected", "fixed", "clamped" and "nested" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, an embodiment of the present application relates to a vehicle oil port adapter, including: the oil filter comprises a fixed seat 2, an oil filter cylinder 3, a clamping sleeve 41 and at least one clamping jaw 42, wherein the fixed seat is fixed on an oil tank opening 1 of a vehicle;
the upper end of the oil filter cylinder 3 is clamped in the fixed seat 2, and the lower end of the oil filter cylinder 3 sequentially passes through the fixed seat 2 and the oil tank port 1 and extends into an oil tank of a vehicle; the cutting ferrule 41 is sleeved on the oil filter cylinder 3, the cutting ferrule 41 and the fixed seat 2 are respectively positioned at two sides of the oil tank port 1, each clamping jaw 42 in at least one clamping jaw 42 corresponds to one notch 11 of the oil tank port 1, the first end of each clamping jaw 42 is positioned in one notch 11 of the oil tank port 1, and the other end of each clamping jaw 42 and the cutting ferrule 41 are of an integrated structure.
Specifically, by arranging the clamping sleeve 41 and the at least one clamping jaw 42, the oil filter cylinder 3 can be firmly limited on the fixed seat 2 and the oil tank opening 1, because the clamping jaw 42 and the clamping sleeve 41 are integrally structured, the structural strength between the clamping jaw 42 and the clamping sleeve 41 is high, the clamping jaw is not easy to damage, the clamping jaw 42 is clamped in the notch 11 corresponding to the oil tank opening 1, the oil filter cylinder 3 is more firmly fixed on the oil tank opening 1 in an extruding manner, and the oil stealing prevention capability of the vehicle oil port adapter is improved.
Optionally, a threaded section 31 is arranged on the oil filter cylinder 3, threads matched with the threaded section 31 are arranged on the inner wall of the clamping sleeve 41, and the clamping sleeve 41 is in threaded connection with the threaded section 31 of the oil filter cylinder 3.
Specifically, the clamping sleeve 41 is in threaded connection with the oil filter cylinder 3, so that the clamping sleeve 41 and the oil filter cylinder 3 can be disassembled or assembled by rotating a special tool of the oil filter cylinder 3 during disassembly or assembly, and the clamping claw 42 is clamped in the corresponding notch 11 of the oil tank opening 1, so that the oil filter cylinder 3 in threaded connection with the clamping sleeve 41 cannot be pulled out from the oil tank opening 1.
Optionally, the vehicle oil port adapter further comprises at least one limiting plate 5, the upper end of the limiting plate 5 is connected to the fixing seat 2, and the lower end of the limiting plate 5 is arranged on one side of the clamping jaw 42 to limit the clamping jaw 42 to rotate along the central axis of the oil filter cylinder 3;
each catch 42 is located directly below the corresponding indentation 11 of the tank port 1.
Specifically, each jaw 42 is located right below the notch 11 corresponding to the oil tank port 1, and the limiting plate 5 is disposed on one side of the jaw 42, so that when a user rotates the oil filter cylinder 3 through a professional tool for rotating the oil filter cylinder 3, since the jaw 42 is limited by the limiting plate 5, the cutting ferrule 41 integrally configured with the jaw 42 cannot rotate along with the oil filter cylinder 3, the jaw 42 and the cutting ferrule 41 integrally configured with the jaw 42 can move along the central axis direction of the oil filter cylinder 3, so that the jaw 42 enters the notch 11 corresponding to the oil tank port 1, or the jaw 42 is far away from the notch 11 corresponding to the oil tank port 1.
Wherein, limiting plate 5 can be fixed connection in the oil tank of this vehicle, also can fixed connection on fixing base 2. Specifically, the upper end fixed connection of limiting plate 5 is at the lower extreme of fixing base 2.
Optionally, the vehicle oil port adapter includes at least two jaws 42.
Specifically, the jack catch 42 quantity that this vehicle hydraulic fluid port adapter includes is greater than 1, when setting up two at least jack catches 42, when jack catch 42 and the whole joint of cutting ferrule 41 with jack catch 42 formula structure as an organic whole on the breach 11 of oil tank port 1, can improve the holistic stability of jack catch 42 and cutting ferrule 41.
Optionally, in order to further improve the stability when the clamping jaws 42 and the clamping sleeve 41 are integrally clamped on the notch 11 of the oil tank port 1, at least two clamping jaws 42 are uniformly arranged on the clamping sleeve 41.
Optionally, the upper end of the oil filter cylinder 3 is provided with a flange 32, the fixing base 2 is provided with a first through hole for allowing the lower end of the oil filter cylinder 3 to pass through, the inner wall of the first through hole is provided with a limiting boss 21, the limiting boss 21 is located between the flange 32 and the oil tank opening 1, the upper end of the oil filter cylinder 3 is clamped in the first through hole of the fixing base 2, the limiting boss 21 is in contact with the flange 32, and the limiting boss 21 limits the position of the flange 32. Wherein the threaded section 31 of the oil filter cartridge 3 is located at a position between the oil filter bore 33 and the flange 32.
Specifically, the flange 32 is arranged at the upper end of the oil filter cylinder 3, so that the upper end of the oil filter cylinder 3 forms a large end, and the limiting boss 21 is arranged on the inner wall of the first through hole, so that the upper end of the oil filter cylinder 3 cannot fall into a vehicle oil tank through the limiting boss 21 in the first through hole.
In the embodiment of this application, provide a vehicle hydraulic fluid port adapter, through setting up: the oil filter comprises a fixed seat 2, an oil filter cylinder 3, a clamping sleeve 41 and at least one clamping jaw 42, wherein the fixed seat is fixed on an oil tank opening 1 of a vehicle; the upper end of the oil filter cylinder 3 is clamped in the fixed seat 2, and the lower end of the oil filter cylinder 3 sequentially passes through the fixed seat 2 and the oil tank port 1 and extends into an oil tank of a vehicle; the cutting ferrule 41 is sleeved on the oil filter cylinder 3, the cutting ferrule 41 and the fixed seat 2 are respectively positioned at two sides of the oil tank port 1, each clamping jaw 42 in at least one clamping jaw 42 corresponds to one notch 11 of the oil tank port 1, the first end of each clamping jaw 42 is positioned in one notch 11 of the oil tank port 1, and the other end of each clamping jaw 42 and the cutting ferrule 41 are of an integrated structure. Like this, through setting up cutting ferrule 41 and at least one jack catch 42, can firmly restrict oil filter tube 3 on fixing base 2 and oil tank port 1, because jack catch 42 and cutting ferrule 41 formula structure as an organic whole, structural strength is big between jack catch 42 and the cutting ferrule 41, is difficult for being destroyed, has guaranteed more that closely to extrude to fix oil filter tube 3 on oil tank port 1, has improved the ability of vehicle hydraulic fluid port adapter theftproof oil. And then solve among the relevant art vehicle hydraulic fluid port adapter and do not have firm problem to the fixed of oil filter 3.
Based on the same technical concept, as shown in fig. 3, the embodiment of the present application further provides a vehicle oil level monitoring device, which includes the vehicle oil port adapter.
Optionally, the vehicle oil level monitoring device further comprises a liquid level sensor 6 and a connecting line 7;
the upper end of connecting wire 7 is connected on fixing base 2, and level sensor 6 connects the lower extreme at connecting wire 7, and level sensor 6 is located the vehicle oil tank.
Specifically, the oil level in the vehicle oil tank can be monitored by the liquid level sensor 6, so that the vehicle oil level monitoring of the vehicle oil level monitoring device is realized.
Optionally, the vehicle oil level monitoring device further comprises a circuit board 8 and a housing 9;
the outer cover 9 is arranged at the upper end of the fixed seat 2, and the circuit board 8 is arranged between the fixed seat 2 and the outer cover 9;
be equipped with the second through-hole of connecting wire 7 on fixing base 2, the upper end of connecting wire 7 is connected in the second through-hole, and connecting wire 7 is the wire, the one end and the 6 electric connections of level sensor of wire, the other end of wire passes second through-hole and 8 electric connections of circuit board.
Specifically, circuit board 8 is installed between fixing base 2 and dustcoat 9, like this, through fixing oil tank port 1 that can isolated circuit board 8 direct contact vehicle, avoids fluid to carry out the contact erosion to circuit board 8.
Optionally, in order to improve the sealing of the vehicle oil level monitoring device to oil in the oil tank, the vehicle oil level monitoring device further comprises a sealing gasket 10;
the sealing gasket 10 is installed between the oil tank port 1 and the fixing seat 2, and the sealing gasket 10 is provided with a third through hole 101 for respectively accommodating the oil filter cylinder 3 and the connecting line 7.
Wherein, be equipped with on sealed pad 10 and be used for holding the third through-hole 101 that oil filter 3 and connecting wire 7 pass through respectively, be equipped with two third through-holes 101 on sealed pad 10 promptly, and when the lower extreme of fixing base 2 was connected to the upper end of limiting plate 5, still need set up on sealed pad 10 and be used for holding limiting plate 5 and pass sealed third through-hole 101 that fills up pad 10, wherein, connecting wire 7, oil filter 3 and limiting plate 5 can share a third through-hole 101.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A vehicle oil port adapter, comprising: the oil filter comprises a fixed seat, an oil filter cylinder, a clamping sleeve and at least one clamping jaw, wherein the fixed seat, the oil filter cylinder, the clamping sleeve and the at least one clamping jaw are fixed on an oil tank opening of a vehicle;
the upper end of the oil filter cylinder is clamped in the fixed seat, and the lower end of the oil filter cylinder sequentially passes through the fixed seat and the oil tank opening to extend into an oil tank of the vehicle; the clamping sleeve is sleeved on the oil filter cylinder, the clamping sleeve and the fixing seat are respectively located on two sides of the oil tank opening, each clamping jaw in at least one clamping jaw corresponds to one notch of the oil tank opening, the first end of each clamping jaw is located in one notch of the oil tank opening, and the other end of each clamping jaw and the clamping sleeve are of an integrated structure.
2. The vehicle oil port adapter of claim 1, wherein the oil filter cylinder is provided with a threaded section, the inner wall of the cutting sleeve is provided with a thread matched with the threaded section, and the cutting sleeve is in threaded connection with the threaded section of the oil filter cylinder.
3. The vehicle oil port adapter of claim 2, further comprising at least one limiting plate, wherein the upper end of the limiting plate is connected to the fixing seat, and the lower end of the limiting plate is arranged on one side of the clamping jaw to limit the clamping jaw to rotate along the central axis of the oil filter cylinder;
each clamping jaw is located under the notch corresponding to the oil tank opening.
4. The vehicle oil port adapter of claim 1, comprising at least two of the jaws.
5. The vehicle oil port adapter of claim 4, wherein the at least two jaws are evenly disposed on the collet.
6. The vehicle oil port adapter as claimed in claim 1, wherein a flange is provided at the upper end of the oil filter cylinder, a first through hole for receiving the lower end of the oil filter cylinder to pass through is provided on the fixing base, a limiting boss is provided on the inner wall of the first through hole, the limiting boss is located between the flange and the oil tank port, the upper end of the oil filter cylinder is clamped in the first through hole of the fixing base, and the limiting boss contacts with the flange, and the limiting boss limits the position of the flange.
7. A vehicle oil level monitoring device comprising the vehicle oil port adapter of any one of claims 1-6.
8. The vehicle oil level monitoring device of claim 7, further comprising a liquid level sensor and a connecting line;
the upper end of connecting wire is connected on the fixing base, level sensor connects the lower extreme of connecting wire, just level sensor is located in the vehicle oil tank.
9. The vehicle oil level monitoring device of claim 8, further comprising a circuit board and a housing;
the outer cover is arranged at the upper end of the fixed seat, and the circuit board is arranged between the fixed seat and the outer cover;
be equipped with the connection on the fixing base the second through-hole of connecting wire, the upper end of connecting wire is connected in the second through-hole, just the connecting wire is the wire, the one end of wire with the level sensor electric connection, the other end of wire passes the second through-hole with the circuit board electric connection.
10. The vehicle oil level monitoring device of claim 8, further comprising a gasket;
the sealing gasket is arranged between the oil tank port and the fixing seat, and a third through hole for respectively accommodating the oil filter cylinder and the connecting wire is formed in the sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921167666.0U CN210212035U (en) | 2019-07-23 | 2019-07-23 | Vehicle oil port adapter and vehicle oil level monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921167666.0U CN210212035U (en) | 2019-07-23 | 2019-07-23 | Vehicle oil port adapter and vehicle oil level monitoring device |
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| Publication Number | Publication Date |
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| CN210212035U true CN210212035U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921167666.0U Active CN210212035U (en) | 2019-07-23 | 2019-07-23 | Vehicle oil port adapter and vehicle oil level monitoring device |
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| CN (1) | CN210212035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043871A (en) * | 2021-11-25 | 2022-02-15 | 南京智鹤电子科技有限公司 | Anti-theft alarm fuel tank cap based on human body recognition and use method thereof |
-
2019
- 2019-07-23 CN CN201921167666.0U patent/CN210212035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043871A (en) * | 2021-11-25 | 2022-02-15 | 南京智鹤电子科技有限公司 | Anti-theft alarm fuel tank cap based on human body recognition and use method thereof |
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Address after: 210000 floor 5, block B, China Merchants high speed railway Plaza, No. 9, Jiangnan Road, Dongshan street, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Zhihe Electronic Technology Co., Ltd Address before: 211100 568 dragon sleeping Avenue, Jiangning District, Nanjing, Jiangsu (Jiangning Gao Xinyuan) Patentee before: Nanjing Zhihe Electronic Technology Co., Ltd |