CN211085596U - Sealed pipe fitting gas tightness detection device that aerifys and rise tightly - Google Patents
Sealed pipe fitting gas tightness detection device that aerifys and rise tightly Download PDFInfo
- Publication number
- CN211085596U CN211085596U CN201921776280.XU CN201921776280U CN211085596U CN 211085596 U CN211085596 U CN 211085596U CN 201921776280 U CN201921776280 U CN 201921776280U CN 211085596 U CN211085596 U CN 211085596U
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- piston
- piston rod
- sealing cylinder
- receiving port
- pipe fitting
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- Expired - Fee Related
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Abstract
The utility model discloses a sealed inflation tightening pipe fitting air tightness detection device, which comprises a sealing cylinder provided with a cavity, wherein one end of the sealing cylinder is provided with a first air receiving port, the inner wall of one end of the sealing cylinder, which is close to the first air receiving port, is fixedly connected with a spring, the other end of the spring is fixedly connected with a piston which is in sealed sliding fit with the sealing cylinder, one end of the piston, which is far away from the spring, is fixedly connected with a piston rod which extends out of the sealing cylinder, the piston rod is provided with a through hole, the through hole sequentially penetrates through the piston rod, the piston is communicated with one side cavity of the piston, which is close to the first air receiving port, the free end of the piston rod is sleeved with a detachable locking part, an elastic part which, the sealing cylinder contacts with the piston, a second air receiving port is further arranged on the sealing cylinder, and the second air receiving port is communicated with the cavity on one side, far away from the spring, of the piston. The utility model discloses can detect the pipe fitting of different internal diameter sizes.
Description
Technical Field
The utility model relates to a pipe fitting gas tightness detection device field especially relates to a sealed tight pipe fitting gas tightness detection device that rises of aerifing.
Background
The inflation mechanism for detecting the air tightness of the pipe fitting generally adopts a coated inflation mechanism, the traditional coated inflation mechanism is poor in sealing performance, complex in structure and large in size, and the coated inflation mechanism is greatly limited by the structure and cannot be used under the condition of limited installation space. On the other hand, the detection of pipes with different inner diameter sizes cannot be adapted.
Disclosure of Invention
In order to solve the problem mentioned in the above-mentioned background art, the utility model provides a sealed pipe fitting gas tightness detection device that aerifys and rise tightly can detect the pipe fitting of different internal diameter sizes.
A sealed inflation tight pipe fitting gas tightness detection device comprises a sealing cylinder with a cavity, wherein a first gas receiving port is arranged at one end of the sealing cylinder, a spring is fixedly connected to the inner wall of the end, close to the first gas receiving port, of the sealing cylinder, a piston which is in sealed sliding fit with the sealing cylinder is fixedly connected to the end, far away from the first gas receiving port, of the spring, a piston rod extending out of the sealing cylinder is fixedly connected to the end, far away from the spring, of the piston, a through hole is formed in the piston rod and sequentially penetrates through the piston rod and the piston to be communicated with the cavity on one side, close to the first gas receiving port, of the piston rod, a detachable locking member is sleeved at the free end of the piston rod, an elastic member movably sleeved on the outer surface of the piston rod is arranged between the locking member and the sealing cylinder, two ends of the elastic member are, and the second air receiving port is communicated with the cavity at one side of the piston far away from the spring.
Further, the elastic piece is a rubber sleeve.
Furthermore, the free end of the piston rod is provided with threads, and the locking piece is a locking nut matched with the threads.
Further, the piston rod is fixedly connected with the center position of the piston.
Furthermore, the end of the rubber sleeve opposite to the locking nut is provided with an annular bulge with a right-angled trapezoid-shaped cross section.
The utility model has the advantages that:
1. the utility model discloses a rubber sleeve activity cup joints on the piston rod, and the retaining member can be dismantled, can change different rubber sleeves according to the internal diameter that will detect the pipe fitting, thereby makes the utility model discloses can detect different internal diameter size's pipe fitting.
2. The utility model discloses occupy small, the installation of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is the sealed cylinder, 2 is first to connect the gas port, 3 is the spring, 4 is the piston, 5 is the piston rod, 6 is the through-hole, 7 is lock nut, 8 is the second to connect the gas port, 9 is the rubber sleeve, 10 is the pipe fitting, 11 is the pneumatic valve, 12 is annular arch.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
As shown in the figure, the sealing inflation tight pipe fitting airtightness detection device comprises a sealing cylinder 1 provided with a cavity, one end of the sealing cylinder 1 is provided with a first air receiving port 2, the sealing cylinder 1 is close to a spring 3 fixedly connected to the inner wall of one end of the first air receiving port 2, the spring 3 is far away from a piston 4 which is fixedly connected to one end of the first air receiving port 2 and is in sealing sliding fit with the sealing cylinder 1, one end of the piston 4, far away from the spring 3, is fixedly connected to a piston rod 5 extending out of the sealing cylinder 1, the piston rod 5 is provided with a through hole 6, the through hole 6 sequentially penetrates through the cavity of one side of the piston rod 5, the piston 4 and the piston 4, close to the first air receiving port 2, the free end of the piston rod 5 is sleeved with a detachable locking member, an elastic member movably sleeved on the outer surface of the piston rod 5 is arranged between the locking, The sealing cylinder 1 contacts, still be equipped with second on the sealing cylinder 1 and connect the gas port 8, second connects the gas port 8 and piston 4 to keep away from the cavity intercommunication of spring 3 one side.
Wherein, the elastic component is a rubber sleeve 9. The outer diameter phase of the rubber sleeve 9 matches the inner diameter of the pipe 9 to be tested.
The free end of the piston rod 5 is provided with threads, and the locking piece is a locking nut 7 matched with the threads.
Wherein, the piston rod 5 is fixedly connected with the center position of the piston 4.
Wherein, the rubber sleeve 9 is provided with an annular bulge 12 with a right trapezoid cross section at one end opposite to the locking nut 7.
In addition, air valves 11 may be provided in the first air inlet 2 and the second air inlet 8.
The utility model discloses when concrete implementation: the pipe fitting 10 to be detected is firstly sleeved on the rubber sleeve 9, one end, far away from the sealing cylinder 1, of the pipe fitting 10 is sealed through a sealing piece, the sealing piece can be a metal plate, the sealing piece is welded with a pipe opening to achieve sealing, and the pipe fitting can be also welded in other modes and is not limited to the sealing piece. Air is admitted to second gas port 8, atmospheric pressure can promote piston 4 and remove to the right side, thereby make piston rod 5 remove right, 9 left ends of rubber sleeve receive the inner wall that lock nut 7 extrusion pasted tight pipe fitting 10, then the second receives gas port 8 to admit air, if the pipe fitting 10 leakproofness is good, 10 internal gas pressures of pipe fitting then can strengthen, compress tightly 9 left ends of rubber sleeve, form high-pressure seal chamber, pipe fitting 10 will be firmly fixed, if there is the place of gas leakage, it then can not be fixed to detect pipe fitting 10, at last through first gas port 2, the gaseous release of second gas port 8 with inside, spring 3 resets and promotes piston 4, piston rod 5 stretches out left, 9 reconversion of rubber sleeve, take off pipe fitting 10, detect and accomplish.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A sealed inflation tight pipe fitting gas tightness detection device is characterized by comprising a sealing cylinder with a cavity, wherein one end of the sealing cylinder is provided with a first gas receiving port, a spring is fixedly connected to the inner wall of the end, close to the first gas receiving port, of the sealing cylinder, one end, far away from the first gas receiving port, of the spring is fixedly connected with a piston in sliding fit with the sealing cylinder in a sealing manner, one end, far away from the spring, of the piston is fixedly connected with a piston rod extending out of the sealing cylinder, the piston rod is provided with a through hole, the through hole sequentially penetrates through the piston rod and the piston to be communicated with the cavity on one side, close to the first gas receiving port, of the piston rod, a detachable locking part is sleeved at the free end of the piston rod, an elastic part movably sleeved on the outer surface of the piston rod is arranged between the locking part and the sealing cylinder, two ends of the, and the second air receiving port is communicated with the cavity at one side of the piston far away from the spring.
2. The airtight testing apparatus for airtight inflated pipe as claimed in claim 1, wherein the elastic member is a rubber sleeve.
3. The device for detecting the airtightness of the sealed, inflated and tensioned pipe fitting according to claim 2, wherein the free end of the piston rod is provided with a thread, and the locking member is a locking nut which is engaged with the thread.
4. The airtight testing apparatus for airtight inflated tube member as claimed in claim 1, wherein the piston rod is fixedly connected to the center of the piston.
5. The device for detecting the airtightness of the sealed, inflated and tensioned pipe fitting according to claim 3, wherein an annular protrusion having a right-angled trapezoidal cross section is provided at an end of the rubber sleeve opposite to the lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921776280.XU CN211085596U (en) | 2019-10-22 | 2019-10-22 | Sealed pipe fitting gas tightness detection device that aerifys and rise tightly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921776280.XU CN211085596U (en) | 2019-10-22 | 2019-10-22 | Sealed pipe fitting gas tightness detection device that aerifys and rise tightly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211085596U true CN211085596U (en) | 2020-07-24 |
Family
ID=71644997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921776280.XU Expired - Fee Related CN211085596U (en) | 2019-10-22 | 2019-10-22 | Sealed pipe fitting gas tightness detection device that aerifys and rise tightly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211085596U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361213A (en) * | 2020-10-06 | 2021-02-12 | 隗有祥 | Internal-inserting external-supporting type high-pressure gas injection device |
| CN115229154A (en) * | 2022-09-21 | 2022-10-25 | 泽州县金秋铸造有限责任公司 | Pneumatic tensioning and pipe drawing device |
-
2019
- 2019-10-22 CN CN201921776280.XU patent/CN211085596U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361213A (en) * | 2020-10-06 | 2021-02-12 | 隗有祥 | Internal-inserting external-supporting type high-pressure gas injection device |
| CN115229154A (en) * | 2022-09-21 | 2022-10-25 | 泽州县金秋铸造有限责任公司 | Pneumatic tensioning and pipe drawing 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 Termination date: 20211022 |