CN212252072U - Steel pipe internal diameter inflatable sealing device - Google Patents
Steel pipe internal diameter inflatable sealing device Download PDFInfo
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- CN212252072U CN212252072U CN202020955322.2U CN202020955322U CN212252072U CN 212252072 U CN212252072 U CN 212252072U CN 202020955322 U CN202020955322 U CN 202020955322U CN 212252072 U CN212252072 U CN 212252072U
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Abstract
The utility model discloses a steel pipe inner diameter inflation sealing device, which belongs to the technical field of sealing devices and comprises a steel pipe body, a left sealing device and a right sealing device, wherein one side of the left sealing device opposite to the right sealing device is fixedly connected with a limited sealing ferrule, one side of the left sealing device opposite to the right sealing device is fixedly connected with an inner sealing ferrule, the other side of the inner sealing ferrule is provided with a sealing baffle, the other side of the sealing baffle is provided with a sealing gasket, the other side of the sealing gasket is provided with an inflation sealing plate, the other end of an air inlet pipe is communicated with an inflation device through a flange, the middle part of the air inlet pipe is connected with an air throttle valve through a flange, the left side of the steel pipe body is sequentially provided with an air pressure meter and a vacuum pump from top to bottom, the roundness of a pipe end lining pipe, the accuracy of the steel pipe inner diameter inflation sealing device is improved.
Description
Technical Field
The utility model relates to a sealing device technical field, in particular to steel pipe internal diameter inflatable seal device.
Background
In recent years, with the complexity and diversity of oil exploitation, carbon steel lined stainless steel composite pipes are gradually paid attention, the composite pipes are compounded by adopting carbon steel pipes as outer layers and adopting imported or domestic high-quality stainless steel pipes as inner layers through a special process, after the carbon steel pipes are compounded, the continuity of the vacuum degree of the lined stainless steel pipes is checked, only inner diameter sealing can be used according to the process flow and the manufacturing method, and even the pipe end lining pipes are compounded incompletely, so that the inner diameter of the pipe end is irregular, the roundness of the pipe end lining pipes is poor, the sealing head of a vacuum degree experiment is required to work under the working condition that the gaps are not uniform and the gaps are larger, if the sealing is carried out by using a common hydraulic large-gap sealing element, the pre-sealing water is required to be larger, and the structure is relatively complex.
The existing steel pipe inner diameter inflation sealing device is poor in sealing performance, only can be used for carrying out single detection on a steel pipe, and the detection accuracy is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel pipe internal diameter inflatable sealing device aims at solving current steel pipe internal diameter inflatable sealing device's sealing performance poor, can only carry out single detection to the steel pipe, reduces the problem of the degree of accuracy that detects.
The utility model is realized in such a way, a steel pipe inner diameter inflatable sealing device comprises a steel pipe body, a left sealing device and a right sealing device, wherein the left sealing device and the right sealing device are respectively positioned at the left side and the right side of the steel pipe body, the inner side walls of the left sealing device and the right sealing device are both clung to the outer side wall of the steel pipe body, one side of the left sealing device opposite to the right sealing device is fixedly connected with a limiting sealing ring, one side of the left sealing device opposite to the right sealing device is fixedly connected with an inner sealing ring, the other side of the inner sealing ring is provided with a sealing baffle plate, the other side of the sealing baffle plate is provided with an inflatable sealing plate, the left side of the steel pipe body is provided with an air inlet pipe and an exhaust pipe from top to bottom in sequence, the right ends of the air inlet pipe and the exhaust pipe all penetrate through, the other end of intake pipe has aerating device through the flange intercommunication, there is the air choke valve at the middle part of intake pipe through flange joint, the left side of steel pipe body has set gradually air gauge and vacuum pump from last to down, the up end fixedly connected with vacuum gauge of vacuum pump.
In order to facilitate the pressure of the inside air of detecting the steel pipe body, conduct the utility model discloses a steel pipe internal diameter inflatable seal device is preferred, air pressure gauge's test end and the output of vacuum pump all run through the inside of inflating the closing plate and extending to the steel pipe body.
In order to make the sealed accuracy that detects the performance of steel pipe body improve, conduct the utility model discloses a steel pipe internal diameter inflatable seal device is preferred, air throttle valve's top is provided with the alarm lamp, alarm lamp and inflatable seal board fixed connection.
In order to strengthen left sealing device and right sealing device and steel pipe body sealing performance, conduct the utility model discloses a steel pipe internal diameter inflatable seal device is preferred, interior seal ring circle and the inside wall of injecing the seal ring circle all hug closely with the lateral wall of steel pipe body.
In order to make unable formation gap between seal baffle and interior seal ring and the seal gasket, be convenient for strengthen steel pipe internal diameter inflatable seal device's sealing performance, conduct the utility model discloses a steel pipe internal diameter inflatable seal device is preferred, seal baffle's both sides are hugged closely with interior seal ring and seal gasket respectively.
In order to improve the sealing performance of steel pipe internal diameter inflatable sealing device, as the utility model discloses a steel pipe internal diameter inflatable sealing device is preferred, left side sealing device and right sealing device's inside wall all with seal baffle's lateral wall threaded connection.
In order to guarantee left sealing device and right sealing device and inflatable seal board sealing connection performance, as the utility model discloses a steel pipe internal diameter inflatable seal device is preferred, left side sealing device and right sealing device's inside wall all with inflatable seal board's lateral wall threaded connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the inner diameter inflatable sealing device for the steel pipe is characterized in that a left sealing device and a right sealing device are respectively arranged at the left side and the right side of a steel pipe body, the inner side walls of the left sealing device and the right sealing device are tightly attached to the outer side wall of the steel pipe body, an inner sealing ferrule and a limiting sealing ferrule are respectively arranged at the two sides of the left sealing device and the right sealing device, the sealing performance of the left sealing device and the right sealing device and the steel pipe body is further improved, a sealing baffle, a sealing gasket and an inflatable sealing plate are arranged at one side of the inner sealing ferrule from inside to outside, the sealing performance of the steel pipe body is further improved, an air inlet pipe and an exhaust pipe are sequentially arranged at the left side of the steel pipe body from top to bottom, an air pressure gauge and a vacuum pump are sequentially arranged at the right side of the steel pipe body, the roundness of the pipe end lining pipe of the steel pipe body is conveniently detected by air, the vacuum pump is started to conveniently inject vacuum into the steel pipe body, the roundness of the pipe end lining pipe of the steel pipe body is conveniently detected by using vacuum, the steel pipe body achieves the aim of double detection of the roundness of the pipe end lining pipe, the accuracy of the steel pipe inner diameter inflating and sealing device is improved, and the arranged air pressure gauge and the arranged vacuum gauge are respectively convenient for detecting the pressure of the air and the vacuum in the steel pipe body;
2. the steel pipe inner diameter inflation sealing device is characterized in that an alarm lamp is arranged above an air throttle valve, the alarm lamp has three colors of a red alarm lamp, a blue alarm lamp and a green alarm lamp, the red alarm lamp is electrically connected with an air pressure gauge, air is injected into the steel pipe body by the inflation device, the air pressure gauge detects the pressure of air in the steel pipe body, when the value above the air pressure gauge is larger than a set value, the red alarm lamp is lightened to remind a worker to close the inflation device, the blue alarm lamp is electrically connected with a vacuum gauge above a vacuum pump, the vacuum pump injects vacuum into the steel pipe body, the vacuum gauge detects the vacuum pressure in the steel pipe body, when the value above the vacuum gauge is larger than the set value, the blue alarm lamp is lightened to remind the worker to close the vacuum pump, the green alarm lamp is electrically connected with the air pressure gauge and the vacuum gauge, and two sides are detected, after the inflation device and the vacuum pump are respectively closed, when numerical values above the air pressure meter and the vacuum meter are changed, the green alarm lamp is lightened to remind an operator that the roundness of the pipe end lining pipe of the steel pipe body is poor, and the green alarm lamp is not lightened within set time, so that the roundness of the pipe end lining pipe of the steel pipe body is good, and the sealing detection performance of the steel pipe body is accurately improved;
3. this kind of steel pipe internal diameter inflatable seal device, through all with left sealing device and right sealing device's inside wall and seal baffle's lateral wall threaded connection, one side and steel pipe body both ends inside wall of seal baffle are hugged closely, toward the inside conveying gas of steel pipe body after, gaseous unable seal baffle discharge that passes through, further improve steel pipe internal diameter inflatable seal device's sealing performance.
Drawings
Fig. 1 is the whole structure diagram of the steel pipe inner diameter inflatable sealing device of the utility model.
In the figure: 1. a steel pipe body; 2. a left sealing device; 201. an inner sealing ferrule; 202. sealing the baffle; 203. sealing gaskets; 204. an inflatable sealing plate; 205. an exhaust pipe; 206. an air inlet pipe; 3. a right sealing device; 301. defining a sealing collar; 4. an inflator; 401. an air throttle valve; 402. an alarm lamp; 403. an air pressure gauge; 404. a vacuum pump; 405. a vacuum gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-1, the present invention provides a technical solution: an air inflation sealing device for the inner diameter of a steel pipe comprises a steel pipe body 1, a left sealing device 2 and a right sealing device 3, wherein the left sealing device 2 and the right sealing device 3 are respectively positioned at the left side and the right side of the steel pipe body 1, the inner side walls of the left sealing device 2 and the right sealing device 3 are respectively clung to the outer side wall of the steel pipe body 1, one side of the left sealing device 2 opposite to the right sealing device 3 is fixedly connected with a limiting sealing ferrule 301, one side of the left sealing device 2 opposite to the right sealing device 3 is fixedly connected with an inner sealing ferrule 201, the other side of the inner sealing ferrule 201 is provided with a sealing baffle 202, the other side of the sealing baffle 202 is provided with a sealing gasket 203, the other side of the sealing gasket 203 is provided with an air inflation sealing plate 204, the left side of the steel pipe body 1 is sequentially provided with an air inlet pipe 206 and an air outlet pipe, the other end of intake pipe 206 has aerating device 4 through flange intercommunication, and there is air throttle valve 401 in the middle part of intake pipe 206 through flange joint, and air pressure gauge 403 and vacuum pump 404 have set gradually from last to down in the left side of steel pipe body 1, and the up end fixedly connected with vacuum gauge 405 of vacuum pump 404.
In this embodiment: the vacuum pump 404 is of the type: ZC0250SV300B, wherein a left sealing device 2 and a right sealing device 3 are respectively arranged at the left side and the right side of a steel tube body 1, the inner side walls of the left sealing device 2 and the right sealing device 3 are tightly attached to the outer side wall of the steel tube body 1, an inner sealing ferrule 201 and a limiting sealing ferrule 301 are respectively arranged at the two sides of the left sealing device 2 and the right sealing device 3, so that the sealing performance of the left sealing device 2 and the right sealing device 3 and the steel tube body 1 is improved, a sealing baffle plate 202, a sealing gasket 203 and an inflation sealing plate 204 are arranged at one side of the inner sealing ferrule 201 from inside to outside, the sealing performance of the steel tube body 1 is further improved, an air inlet pipe 206 and an air outlet pipe 205 are sequentially arranged at the left side of the steel tube body 1 from top to bottom, an air pressure gauge 403 and a vacuum pump 404 are sequentially arranged at the right side of the steel tube body 1 from top to bottom, the air, the roundness of the liner pipe in the pipe end of the steel pipe body 1 can be conveniently detected by air, the vacuum pump 404 can be started to conveniently inject vacuum into the steel pipe body 1, the roundness of the liner pipe in the pipe end of the steel pipe body 1 can be conveniently detected by vacuum, the steel pipe body 1 can achieve the purpose of double detection of the roundness of the liner pipe in the pipe end, the accuracy of the steel pipe inner diameter inflation sealing device is improved, and the arranged air pressure gauge 403 and the vacuum gauge 405 are respectively convenient for detecting the pressure of the air and the vacuum in the steel pipe body 1.
As a technical optimization scheme of the utility model, the test end of air pressure gauge 403 and the output of vacuum pump 404 all run through inflatable seal plate 204 and extend to the inside of steel pipe body 1.
In this embodiment: the test end of the air pressure gauge 403 and the output end of the vacuum pump 404 both penetrate through the inflatable sealing plate 204 and extend to the inside of the steel pipe body 1, the air pressure gauge 403 is convenient for detecting the pressure of the air inside the steel pipe body 1, and the vacuum pump 404 is started to be convenient for injecting vacuum into the inside of the steel pipe body 1.
As a technical optimization scheme of the utility model, air throttle valve 401's top is provided with alarm lamp 402, alarm lamp 402 and inflatable seal board 204 fixed connection.
In this embodiment: the alarm lamp 402 is arranged above the air throttle valve 401, the alarm lamp 402 has three colors of a red alarm lamp, a blue alarm lamp and a green alarm lamp, the red alarm lamp is electrically connected with the air pressure gauge 403, air is injected into the steel pipe body 1 by the air charging device 4, the air pressure gauge 403 detects the pressure of the air in the steel pipe body 1, when the value above the air pressure gauge 403 is larger than a set value, the red alarm lamp is lightened to remind a worker to close the air charging device 4, the blue alarm lamp is electrically connected with the vacuum gauge 405 above the vacuum pump 404, the vacuum pump 404 injects vacuum into the steel pipe body 1, the vacuum gauge 405 detects the vacuum pressure in the steel pipe body 1, when the value above the vacuum gauge 405 is larger than the set value, the blue alarm lamp is lightened to remind the worker to close the vacuum pump 404, and the green alarm lamp is electrically connected with the air pressure gauge 403 and the vacuum gauge 405, and (3) detecting the two sides, and after the air charging device 4 and the vacuum pump 404 are respectively closed, when the values above the air pressure gauge 403 and the vacuum gauge 405 are changed, the green warning lamp is lightened to remind an operator that the roundness of the lining pipe at the pipe end of the steel pipe body 1 is poor, and the green warning lamp is not lightened within a set time, so that the roundness of the lining pipe at the pipe end of the steel pipe body 1 is good, and the sealing detection performance of the steel pipe body 1 is accurately improved.
As a technical optimization scheme of the utility model, the inside wall of interior seal ring 201 and limited seal ring 301 all hugs closely with the lateral wall of steel pipe body 1.
In this embodiment: the inner sealing ring 201 and the limited sealing ring 301 are arranged at two sides of the left sealing device 2 and the right sealing device 3 by tightly attaching the inner side walls of the inner sealing ring 201 and the limited sealing ring 301 to the outer side wall of the steel pipe body 1, so that the sealing performance of the left sealing device 2 and the right sealing device 3 to the steel pipe body 1 is further enhanced.
As a technical optimization scheme of the present invention, the two sides of the sealing baffle 202 are respectively attached to the inner sealing ring 201 and the sealing gasket 203.
In this embodiment: by respectively clinging the two sides of the sealing baffle 202 to the inner sealing ferrule 201 and the sealing gasket 203, a gap cannot be formed between the sealing baffle 202 and the inner sealing ferrule 201 and between the sealing baffle 202 and the sealing gasket 203, so that the sealing performance of the steel pipe inner diameter inflation sealing device is enhanced conveniently.
As a technical optimization scheme of the utility model, left sealing device 2 and right sealing device 3's inside wall all with seal baffle 202's lateral wall threaded connection.
In this embodiment: through the inside wall all with left sealing device 2 and right sealing device 3 with seal baffle 202's lateral wall threaded connection, one side and the 1 both ends inside wall of steel pipe body of seal baffle 202 are hugged closely, and after the inside conveying gas of steel pipe body 1, gaseous unable through seal baffle 202 discharge, further improve the sealing performance of steel pipe internal diameter inflatable seal device.
As a technical optimization scheme of the utility model, left sealing device 2 and right sealing device 3's inside wall all with inflatable seal plate 204's lateral wall threaded connection.
In this embodiment: the sealing connection performance of the left sealing device 2 and the right sealing device 3 and the inflatable sealing plate 204 is further ensured by connecting the inner side walls of the left sealing device 2 and the right sealing device 3 with the outer side wall of the inflatable sealing plate 204 in a threaded manner.
The working principle is as follows: firstly, a left sealing device 2 and a right sealing device 3 are respectively arranged at the left side and the right side of a steel pipe body 1, the inner side walls of the left sealing device 2 and the right sealing device 3 are tightly attached to the outer side wall of the steel pipe body 1, the two sides of the left sealing device 2 and the right sealing device 3 are respectively provided with an inner sealing ferrule 201 and a limiting sealing ferrule 301, so that the sealing performance of the left sealing device 2 and the right sealing device 3 and the steel pipe body 1 is improved, one side of the inner sealing ferrule 201 is provided with a sealing baffle 202, a sealing gasket 203 and an inflating sealing plate 204 from inside to outside, so that the sealing performance of the steel pipe body 1 is further improved, the left side of the steel pipe body 1 is provided with an air inlet pipe 206 and an air outlet pipe 205 from top to bottom in sequence, the right side of the steel pipe body 1 is provided with an air pressure gauge 403 and a vacuum pump 404 from top to bottom in sequence, the roundness of the liner pipe in the pipe end of the steel pipe body 1 can be conveniently detected by air, the vacuum pump 404 can be started to conveniently inject vacuum into the steel pipe body 1, the roundness of the liner pipe in the pipe end of the steel pipe body 1 can be conveniently detected by vacuum, the steel pipe body 1 can achieve the purpose of double detection of the roundness of the liner pipe in the pipe end, the accuracy of the steel pipe inner diameter inflation sealing device is improved, and the arranged air pressure gauge 403 and the vacuum gauge 405 are respectively convenient for detecting the pressure of the air and the vacuum in the steel pipe body 1.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a steel pipe internal diameter inflatable seal device, includes steel pipe body (1), left sealing device (2), and right sealing device (3), left side sealing device (2) are located the left and right sides of steel pipe body (1) respectively with right sealing device (3), the inside wall of left side sealing device (2) and right sealing device (3) all hugs closely its characterized in that with the lateral wall of steel pipe body (1): a limiting sealing ferrule (301) is fixedly connected to one side of the left sealing device (2) opposite to the right sealing device (3), an inner sealing ferrule (201) is fixedly connected to one side of the left sealing device (2) opposite to the right sealing device (3), a sealing baffle (202) is arranged on the other side of the inner sealing ferrule (201), a sealing gasket (203) is arranged on the other side of the sealing baffle (202), an inflatable sealing plate (204) is arranged on the other side of the sealing gasket (203), an air inlet pipe (206) and an air outlet pipe (205) are sequentially arranged on the left side of the steel pipe body (1) from top to bottom, the right ends of the air inlet pipe (206) and the air outlet pipe (205) penetrate through the inflatable sealing plate (204) and extend to the inside of the steel pipe body (1), and an inflating device (4) is communicated with the other end of the air, the middle part of intake pipe (206) has air choke valve (401) through flange joint, the left side of steel pipe body (1) is from last to having set gradually air pressure table (403) and vacuum pump (404) down, the up end fixedly connected with vacuum gauge (405) of vacuum pump (404).
2. The air inflation sealing device for the inner diameter of the steel pipe as claimed in claim 1, wherein: the test end of the air pressure gauge (403) and the output end of the vacuum pump (404) both penetrate through the inflatable sealing plate (204) and extend to the interior of the steel pipe body (1).
3. The air inflation sealing device for the inner diameter of the steel pipe as claimed in claim 1, wherein: an alarm lamp (402) is arranged above the air throttle valve (401), and the alarm lamp (402) is fixedly connected with the inflatable sealing plate (204).
4. The air inflation sealing device for the inner diameter of the steel pipe as claimed in claim 1, wherein: the inner sealing ring (201) and the inner side wall limiting the sealing ring (301) are tightly attached to the outer side wall of the steel pipe body (1).
5. The air inflation sealing device for the inner diameter of the steel pipe as claimed in claim 1, wherein: two sides of the sealing baffle plate (202) are respectively clung to the inner sealing ferrule (201) and the sealing gasket (203).
6. The air inflation sealing device for the inner diameter of the steel pipe as claimed in claim 1, wherein: the inner side walls of the left sealing device (2) and the right sealing device (3) are in threaded connection with the outer side wall of the sealing baffle plate (202).
7. The air inflation sealing device for the inner diameter of the steel pipe as claimed in claim 1, wherein: the inner side walls of the left sealing device (2) and the right sealing device (3) are in threaded connection with the outer side wall of the inflatable sealing plate (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020955322.2U CN212252072U (en) | 2020-05-30 | 2020-05-30 | Steel pipe internal diameter inflatable sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020955322.2U CN212252072U (en) | 2020-05-30 | 2020-05-30 | Steel pipe internal diameter inflatable sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212252072U true CN212252072U (en) | 2020-12-29 |
Family
ID=73978754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020955322.2U Active CN212252072U (en) | 2020-05-30 | 2020-05-30 | Steel pipe internal diameter inflatable sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212252072U (en) |
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2020
- 2020-05-30 CN CN202020955322.2U patent/CN212252072U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214000 No.3, Weier Road, Qianqiao supporting area, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Wuxi Bolei Hydraulic Technology Co.,Ltd. Address before: 214000 No.3, Weier Road, Qianqiao supporting area, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: Wuxi Prix saisen Steel Pipe Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |