CN210243100U - Oil tank sealing detection device - Google Patents
Oil tank sealing detection device Download PDFInfo
- Publication number
- CN210243100U CN210243100U CN201921520568.0U CN201921520568U CN210243100U CN 210243100 U CN210243100 U CN 210243100U CN 201921520568 U CN201921520568 U CN 201921520568U CN 210243100 U CN210243100 U CN 210243100U
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- Prior art keywords
- injection pipe
- pipe
- oil tank
- water injection
- detection device
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Abstract
The utility model discloses a sealed detection device of oil tank, comprising a case cover, fixedly connected with seal installation piece on the inside wall of case lid, be equipped with water injection pipe and gas injection pipe in the seal installation piece respectively, water injection pipe and gas injection pipe all run through case lid and seal installation piece in proper order, be equipped with the control valve on the water injection pipe, be equipped with the check valve on the gas injection pipe. The utility model discloses a whole testing process easy operation, and the testing result is accurate, do not receive other factors to influence, even if the case lid is not very good with the leakproofness of treating the oiling mouth department connection of detecting the oil tank, still can not influence the accuracy of testing result to where can also be accurate find out gas leakage position.
Description
Technical Field
The utility model relates to an oil tank seals and detects technical field, especially relates to an oil tank seals detection device.
Background
The fuel tank is one of the important parts of the automobile, and the sealing performance of the fuel tank is the most important performance of the automobile. The method has the advantages that the automobile oil tank can be assembled on the automobile after 100% of tightness detection is carried out in the whole automobile production process and the tightness is qualified, so the detection of the tightness of the automobile oil tank in the whole automobile production process is a key post with higher labor intensity.
The existing method for detecting the sealing of the oil tank generally injects high-pressure air into the oil tank, and then knows the sealing performance of the oil tank by monitoring the change of the air pressure in the oil tank.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the existing method for detecting the sealing of the oil tank generally injects high-pressure air into the oil tank, and then knows the sealing performance of the oil tank by monitoring the change of the air pressure in the oil tank.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the oil tank sealing detection device comprises a tank cover, fixedly connected with seal installation block on the inside wall of tank cover, be equipped with water injection pipe and gas injection pipe in the seal installation block respectively, water injection pipe and gas injection pipe all run through case lid and seal installation block in proper order, be equipped with the control valve on the water injection pipe, be equipped with the check valve on the gas injection pipe, the check valve is close to the control valve setting, the gas injection pipe is close to one of check valve and serves and is equipped with the switching pipe fitting, be equipped with the dead slot and the thread groove of mutual intercommunication in the switching pipe fitting, the dead slot internal rotation is connected with the change, fixedly connected with gas injection pipe on the inboard rampart of change, thread groove female connection has the screw thread pipe box, fixedly connected with air duct on the inside wall of screw thread pipe box, the one of screw thread pipe box was served.
Preferably, the outer side wall of the seal mounting block is provided with a rubber sealing ring, and one side wall of the rubber sealing ring, which is far away from the seal mounting block, is obliquely arranged.
Preferably, the water injection pipe is kept away from one of seal installation piece and is served the cover and be equipped with the connecting pipe, the connecting pipe is kept away from one of water injection pipe and is served and be equipped with the funnel.
Preferably, one end of the gas injection pipe, which is far away from the transfer pipe fitting, is arranged in a converging shape.
Preferably, the outer side wall of the water injection pipe close to one end of the connecting pipe is obliquely arranged.
Preferably, the outer side wall of the box cover is provided with anti-skid stripes.
The utility model has the advantages that: the mode that adopts earlier water injection gas injection again detects the leakproofness of oil tank, through the upset oil tank, observes the leakproofness that whether has the water spray phenomenon to confirm the oil tank, whole testing process easy operation, and the testing result is accurate, does not receive other factors to influence, even if the leakproofness that the case lid is connected with the oiling mouth department of waiting to detect the oil tank is not very good, still can not influence the accuracy of testing result to can also be accurate find out gas leakage position where.
Drawings
Fig. 1 is a schematic view of an internal structure of the oil tank sealing detection device provided by the present invention;
fig. 2 is an enlarged view of the structure a in fig. 1.
In the figure: 1 box cover, 2 sealing installation blocks, 3 water injection pipes, 4 gas injection pipes, 5 rubber sealing rings, 6 control valves, 7 connecting pipes, 8 funnels, 9 one-way valves, 10 transfer pipe fittings, 11 empty grooves, 12 thread grooves, 13 rotary rings, 14 thread pipe sleeves, 15 gas guide pipes and 16 air pumps.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, the oil tank sealing detection device comprises a tank cover 1, anti-slip stripes are arranged on the outer side wall of the tank cover 1, so that a detector can conveniently install the tank cover 1 on an oil filling port of a to-be-detected oil tank, a sealing installation block 2 is fixedly connected to the inner side wall of the tank cover 1, a water injection pipe 3 and an air injection pipe 4 are respectively arranged in the sealing installation block 2, the water injection pipe 3 and the air injection pipe 4 sequentially penetrate through the tank cover 1 and the sealing installation block 2, the sealing installation block 2 is utilized, and the sealing performance between the water injection pipe 3 and the air injection pipe 4 and the tank cover 1 is enhanced.
Be equipped with rubber seal 5 on seal installation piece 2's the lateral wall, a lateral wall that rubber seal 5 kept away from seal installation piece 2 is the slope setting, with the help of rubber seal 5, promote the leakproofness of being connected between case lid 1 and the oil tank oil filler point, be equipped with control valve 6 on water injection pipe 3, water injection pipe 3 keeps away from one of seal installation piece 2 and serves the cover and be equipped with connecting pipe 7, the lateral wall that water injection pipe 3 is close to connecting pipe 7 one end is the slope setting, make things convenient for cup jointing on water injection pipe 3 that connecting pipe 7 can relax, connecting pipe 7 is kept away from one of water injection pipe 3 and is served and is equipped.
After installing case lid 1 on the oil tank, open control valve 6, then with the help of funnel 8, through connecting pipe 7 and water injection pipe 3 with the water injection of appropriate amount advance to treat in the oil tank, then close control valve 6, water control can cover the oil tank minimum inside wall when the oil tank is horizontal, be equipped with check valve 9 on the gas injection pipe 4, check valve 9 is close to control valve 6 and sets up, gas injection pipe 4 is close to one of check valve 9 and serves and is equipped with the pipe fitting 10 that connects, the one end that connects pipe fitting 10 is kept away from to gas injection pipe 4 is the setting of bundling, it has water sputtering to advance in the gas injection pipe 4 when water in the oil tank pours out through water injection pipe 3 to avoid.
Be equipped with dead slot 11 and thread groove 12 of mutual intercommunication in the switching pipe fitting 10, 11 internal rotations in dead slot are connected with change 13, fixedly connected with gas injection pipe 4 on the inboard rampart of change 13, 12 internal screw thread connections in thread groove have thread pipe box 14, fixedly connected with air duct 15 on the inside wall of thread pipe box 14, the one of thread pipe box 14 is kept away from to air duct 15 serves fixedly connected with air pump 16, after the water injection is accomplished, open air pump 16 and to waiting to detect the oil tank in the air injection, make and detect and form high pressure environment in the oil tank, then close air pump 16.
Twist and move screw thread pipe box 14 and pull down air duct 15, then can overturn and wait to detect the oil tank, it has or not to appear the water spray phenomenon to observe on the oil tank lateral wall, if the water spray phenomenon appears, then explain the leakproofness of this oil tank not enough, and can find out where the gas leakage position is in, if the water spray phenomenon does not appear, then explain the leakproofness good, after the detection finishes, open control valve 6, exhaust earlier, then twist off case lid 1, pour out remaining water in the oil tank, whole testing process easy operation, and the testing result is accurate, do not influenced by other factors, even if the leakproofness of case lid 1 and the oiling mouth department connection of waiting to detect the oil tank is not very good, still can not influence the accuracy of testing result, and can also be accurate find out where the gas leakage position is.
The utility model discloses in, when the user used the device, twist earlier case lid 1 and install its oil filling mouth department of waiting to detect the oil tank, then open control valve 6, utilize funnel 8, inject suitable amount of water into waiting to detect the oil tank through connecting pipe 7 and water injection pipe 3, then close control valve 6, open air pump 16 and inject the air into waiting to detect the oil tank, make the interior high-pressure environment that forms of oil tank, then close air pump 16, twist and move threaded pipe box 14 and pull down air duct 15, whether water spray phenomenon appears on upset oil tank and the observation oil tank lateral wall, if water spray phenomenon appears, explain the leakproofness of this oil tank inadequately, and can find out where the gas leakage position is, if water spray phenomenon does not appear, explain that the leakproofness is good;
after the detection finishes, open control valve 6, exhaust earlier, then twist off case lid 1, pour out remaining water in the oil tank, whole testing process easy operation, and the testing result is accurate, does not receive other factors to influence, even if case lid 1 is not very good with the leakproofness of treating the oiling mouth department connection of oil tank, still can not influence the accuracy of testing result to can also be accurate find out the gas leakage position where.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The oil tank sealing detection device comprises a tank cover (1) and is characterized in that a sealing installation block (2) is fixedly connected to one inner side wall of the tank cover (1), a water injection pipe (3) and a gas injection pipe (4) are respectively arranged in the sealing installation block (2), the water injection pipe (3) and the gas injection pipe (4) sequentially penetrate through the tank cover (1) and the sealing installation block (2), a control valve (6) is arranged on the water injection pipe (3), a check valve (9) is arranged on the gas injection pipe (4), the check valve (9) is arranged close to the control valve (6), a transfer pipe fitting (10) is arranged at one end of the gas injection pipe (4) close to the check valve (9), a hollow groove (11) and a thread groove (12) which are mutually communicated are arranged in the transfer pipe fitting (10), a rotary ring (13) is rotatably connected in the hollow groove (11), and the inner side ring wall of the rotary ring (13) is fixedly connected with the gas injection pipe (4), the thread groove (12) is connected with a thread pipe sleeve (14) in an internal thread mode, an air guide pipe (15) is fixedly connected to the inner side wall of the thread pipe sleeve (14), and an air pump (16) is fixedly connected to one end, far away from the thread pipe sleeve (14), of the air guide pipe (15).
2. The fuel tank sealing detection device according to claim 1, characterized in that a rubber sealing ring (5) is arranged on the outer side wall of the sealing installation block (2), and a side wall of the rubber sealing ring (5) far away from the sealing installation block (2) is obliquely arranged.
3. The fuel tank sealing detection device according to claim 1, wherein a connecting pipe (7) is sleeved on one end of the water injection pipe (3) far away from the sealing installation block (2), and a funnel (8) is arranged on one end of the connecting pipe (7) far away from the water injection pipe (3).
4. The fuel tank seal detection device according to claim 1, wherein an end of the gas injection pipe (4) remote from the transfer pipe (10) is arranged in a convergent shape.
5. The fuel tank sealing detection device according to claim 1, wherein the outer side wall of the water injection pipe (3) near one end of the connecting pipe (7) is inclined.
6. The fuel tank sealing detection device according to claim 1, wherein the outer side wall of the tank cover (1) is provided with anti-slip stripes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921520568.0U CN210243100U (en) | 2019-09-09 | 2019-09-09 | Oil tank sealing detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921520568.0U CN210243100U (en) | 2019-09-09 | 2019-09-09 | Oil tank sealing detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243100U true CN210243100U (en) | 2020-04-03 |
Family
ID=69965888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921520568.0U Expired - Fee Related CN210243100U (en) | 2019-09-09 | 2019-09-09 | Oil tank sealing detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210243100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268657A (en) * | 2020-11-11 | 2021-01-26 | 江西昌河汽车有限责任公司 | Mounting structure of automobile fuel tank leakage detection device |
-
2019
- 2019-09-09 CN CN201921520568.0U patent/CN210243100U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268657A (en) * | 2020-11-11 | 2021-01-26 | 江西昌河汽车有限责任公司 | Mounting structure of automobile fuel tank leakage detection device |
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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: 20200403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |