CN109986510A - A kind of tank body vacuum plug more changing device and its working method - Google Patents
A kind of tank body vacuum plug more changing device and its working method Download PDFInfo
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- CN109986510A CN109986510A CN201910354986.5A CN201910354986A CN109986510A CN 109986510 A CN109986510 A CN 109986510A CN 201910354986 A CN201910354986 A CN 201910354986A CN 109986510 A CN109986510 A CN 109986510A
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- vacuum
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- plug
- valve body
- ball valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/24—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
A kind of tank body vacuum plug more changing device and its working method.It is related to tank body manufacture field more particularly to a kind of tank body vacuum plug more changing device and its working method.It is simple to provide a kind of structure, plug is facilitated to dismount, avoids damage to the tank body vacuum plug more changing device and its working method of vacuum.The lateral wall of tank body is equipped with interlayer, and connection is equipped with auxiliary tube on the interlayer, and plug is equipped in the auxiliary tube, and the plug is equipped with sealing ring；It further include valve body one, valve body two, Vacuum ball valve one, Vacuum ball valve two and valve rod, the both ends of the valve body one are equipped with opening, and one end of the valve body one is detachably connected with auxiliary tube, the other end is fixedly connected with Vacuum ball valve one；The outside of the valve body two is equipped with interface, and the interface is connect with Vacuum ball valve two by clip two, and the Vacuum ball valve two connects vacuum pump.The present invention realizes under the premise of not destroying vacuum, facilitates observation sealing ring service condition, is convenient for changing.
Description
Technical field
The present invention relates to tank body manufacture field more particularly to a kind of tank body vacuum plug more changing device and its work sides
Method.
Background technique
Tank body such as Dewar tank is the Stainless steel pressure vessels using super vacuum insulation, is for storage, transport and to use liquid
Oxygen, liquid nitrogen, liquid argon or carbon dioxide and design.It is manufactured by DOT4L standard, and for reliable, economic transport and storage are low
Warm liquid gas, and cryogenic liquid gas is stored and supplied on the spot in wide application range.
In process of production, by the vacuum of pumping shell and liner interlayer to achieve the purpose that adiabatic heat-insulation, when vacuumizing
It needs to be changed with Push-and-pull valve vacuum pump set and is taken out interbedded unobstructed or state of isolation, be equivalent to the switch of gas circuit.
During tank body vacuum blocks, blocked by the way that sealing ring is arranged on plug；However, since the sealing ring on plug is
Vulnerable part is not easy to observe behaviour in service, while being not easy to replace, and reduces functional reliability.
Summary of the invention
The present invention facilitates plug to dismount, avoids damage to the tank body of vacuum in view of the above problems, to provide a kind of structure simple
Vacuum plug more changing device and its working method.
The technical solution of the present invention is as follows: the lateral wall of tank body is equipped with interlayer, connection is equipped with auxiliary tube, institute on the interlayer
It states and is equipped with plug in auxiliary tube, the plug is equipped with sealing ring；
It further include valve body one, valve body two, Vacuum ball valve one, Vacuum ball valve two and valve rod, the both ends of the valve body one are equipped with opening,
One end of the valve body one is detachably connected with auxiliary tube, the other end is fixedly connected with Vacuum ball valve one；
The valve body two is equipped with opening towards one end of Vacuum ball valve one, and the Vacuum ball valve one passes through one phase of clip with valve body two
Even, the valve rod is connected to one end on valve body two far from Vacuum ball valve one, and the valve handle activity is connected to valve body two, vacuum sphere
In valve one and valve body one；
The valve rod is detachably connected with plug；
The outside of the valve body two is equipped with interface, and the interface is connect with Vacuum ball valve two by clip two, the Vacuum ball valve
Two connection vacuum pumps.
It further include locking nut, the locking nut is equipped with inner shield ring, and one end of valve body one towards the auxiliary tube is equipped with
Outer retaining ring, the locking nut are set on valve body one, and the inner shield ring is in contact with outer retaining ring；
The auxiliary tube is equipped with external screw thread, and the locking nut is connected through a screw thread with auxiliary tube.
Sealing ring is equipped between the end face of the auxiliary tube and the end face of valve body one.
The plug is equipped with internal thread hole, and the end of the valve rod is equipped with external screw thread, and the plug and valve rod pass through spiral shell
Line connection.
The interlayer is equipped with vacuum meter.
A kind of working method of tank body vacuum plug more changing device, comprising the following steps:
S1: interlayer keeps vacuum state, and plug is located in auxiliary tube；Vacuum ball valve one, two is opened, and vacuum pump is by valve body one and valve
Body two vacuumizes；
S2: Vacuum ball valve two is closed；
S3: plug is pulled in valve body two by valve rod；
S4: Vacuum ball valve one is closed；
S5: clip one is opened, and valve body two and Vacuum ball valve one are separated；
S6: plug or sealing ring are replaced；
S7: clip one is closed, and valve body two and Vacuum ball valve one are assembled；
S8: Vacuum ball valve two is opened, and vacuum pump vacuumizes valve body two；
S9: Vacuum ball valve two is closed；
S10: Vacuum ball valve one is opened；
S11: plug is pushed into auxiliary tube by valve rod；
S12: it completes.
The present invention at work, passes through and Vacuum ball valve one is arranged between valve body one and valve body two, wherein valve body one and true
Empty ball valve one is fixedly connected, and valve body two and Vacuum ball valve one are connected by clip one；It is set between the interface and vacuum pump of valve body two
Set Vacuum ball valve two；
When specific replacement, sequentially includes the following steps: interlayer and keep vacuum state, plug is located in auxiliary tube；Vacuum ball valve one, two
It opens, vacuum pump vacuumizes valve body one and valve body two；Vacuum ball valve two is closed；Plug is pulled in valve body two by valve rod；
Vacuum ball valve one is closed；Clip one is opened, and valve body two and Vacuum ball valve one are separated；Plug or sealing ring are replaced；Card
Hoop one is closed, and valve body two and Vacuum ball valve one are assembled；Vacuum ball valve two is opened, and vacuum pump vacuumizes valve body two；Vacuum sphere
Valve two is closed；Vacuum ball valve one is opened；Plug is pushed into auxiliary tube by valve rod；Complete sealing.
The present invention realizes under the premise of not destroying vacuum, facilitates observation sealing ring service condition, is convenient for changing.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention,
Fig. 2 is working state figure of the invention；
1 is tank body in figure, and 2 be interlayer, and 3 be auxiliary tube, and 4 be plug, and 40 be internal thread hole, and 5 be sealing ring, and 6 be valve body one, 7
It is valve body two, 8 be Vacuum ball valve one, and 9 be Vacuum ball valve two, and 10 be valve rod, and 11 be clip one, and 12 be interface, and 13 be clip two,
14 be locking nut, and 15 be inner shield ring, and 16 be outer retaining ring, and 17 be vacuum meter, and 18 be ring type seal；
Arrow represents the direction of action of valve rod in Fig. 2.
Specific embodiment
The present invention is as shown in Figs. 1-2, and the lateral wall of tank body 1 is equipped with interlayer 2, and connection is equipped with auxiliary tube 3 on the interlayer,
Plug 4 is equipped in the auxiliary tube, the plug is equipped with sealing ring 5；
It further include valve body 1, valve body 27, Vacuum ball valve 1, Vacuum ball valve 29 and valve rod 10, the both ends of the valve body one are set
There is opening, one end of the valve body one is detachably connected with auxiliary tube, the other end is fixedly connected with Vacuum ball valve one；
The valve body two is equipped with opening towards one end of Vacuum ball valve one, and the Vacuum ball valve one passes through clip 1 with valve body two
It is connected, the valve rod is connected to one end on valve body two far from Vacuum ball valve one, and the valve handle activity is connected to valve body two, vacuum
In ball valve one and valve body one；
The valve rod is detachably connected with plug；
The outside of the valve body two is equipped with interface 12, and the interface is connect with Vacuum ball valve two by clip 2 13, the vacuum
Ball valve two connects vacuum pump.
The present invention at work, passes through and Vacuum ball valve one is arranged between valve body one and valve body two, wherein valve body one and true
Empty ball valve one is fixedly connected, and valve body two and Vacuum ball valve one are connected by clip one；It is set between the interface and vacuum pump of valve body two
Set Vacuum ball valve two；
When specific replacement, sequentially includes the following steps: interlayer and keep vacuum state, plug is located in auxiliary tube；Vacuum ball valve one, two
It opens, vacuum pump vacuumizes valve body one and valve body two；Vacuum ball valve two is closed；Plug is pulled in valve body two by valve rod；
Vacuum ball valve one is closed；Clip one is opened, and valve body two and Vacuum ball valve one are separated；Plug or sealing ring are replaced；Card
Hoop one is closed, and valve body two and Vacuum ball valve one are assembled；Vacuum ball valve two is opened, and vacuum pump vacuumizes valve body two；Vacuum sphere
Valve two is closed；Vacuum ball valve one is opened；Plug is pushed into auxiliary tube by valve rod；Complete sealing.
It further include locking nut 14, the locking nut is equipped with inner shield ring 15, and the valve body one is towards one end of auxiliary tube
Equipped with outer retaining ring 16, the locking nut is set on valve body one, and the inner shield ring is in contact with outer retaining ring；
The auxiliary tube is equipped with external screw thread, and the locking nut is connected through a screw thread with auxiliary tube.
The outer retaining ring of inner shield ring and auxiliary tube that locking nut is arranged is in contact, and is connected by locking nut and auxiliary pipe screw thread
It connects, thus it is mobile to auxiliary tube with moving valve one, until the two contact, easy disassembly, operation are reliable.
Sealing ring (i.e. ring type seal 18) is equipped between the end face of the auxiliary tube and the end face of valve body one.
In this way, improving the leakproofness between auxiliary tube and valve body one, vacuumized convenient for subsequent, improves reliability.
The plug is equipped with internal thread hole, and the end of the valve rod is equipped with external screw thread, and the plug and valve rod pass through spiral shell
Line connection.
The two is connected through a screw thread, easy disassembly, and operation is reliable.
The interlayer is equipped with vacuum meter 17.By the way that vacuum meter is arranged, convenient for the vacuum degree in measurement interlayer.
A kind of working method of tank body vacuum plug more changing device, comprising the following steps:
S1: interlayer keeps vacuum state, and plug is located in auxiliary tube；Vacuum ball valve one, two is opened, and vacuum pump is by valve body one and valve
Body two vacuumizes；
S2: Vacuum ball valve two is closed；
S3: plug is pulled in valve body two by valve rod；
S4: Vacuum ball valve one is closed；
S5: clip one is opened, and valve body two and Vacuum ball valve one are separated；
S6: plug or sealing ring are replaced；
S7: clip one is closed, and valve body two and Vacuum ball valve one are assembled；
S8: Vacuum ball valve two is opened, and vacuum pump vacuumizes valve body two；
S9: Vacuum ball valve two is closed；
S10: Vacuum ball valve one is opened；
S11: plug is pushed into auxiliary tube by valve rod；
S12: it completes.
The present invention passes through the switch of control Vacuum ball valve one, and realization valve body one is connected to valve body two, is convenient for valve body one
It is vacuumized with valve body two；Meanwhile driving plug mobile convenient for valve rod；
By controlling the switch of Vacuum ball valve two, vacuuming action is carried out convenient for vacuum pump, facilitates operation.
For this case disclosure of that, need to illustrate there are also the following:
(1), this case the disclosed embodiments attached drawing relates only to and structure involved by this case disclosed embodiment, other knots
Structure, which can refer to, to be commonly designed；
(2), in the absence of conflict, the feature in this case the disclosed embodiments and embodiment can be combined with each other to obtain
New embodiment；
More than, only specific embodiment disclosed in this case, but the protection scope of the disclosure is not limited thereto, and this case institute is public
The protection scope opened should be subject to the protection scope in claims.
Claims (6)
1. a kind of tank body vacuum plug more changing device, the lateral wall of tank body is equipped with interlayer, and connection is equipped with auxiliary on the interlayer
Pipe is helped, plug is equipped in the auxiliary tube, the plug is equipped with sealing ring；
It is characterized in that, further include valve body one, valve body two, Vacuum ball valve one, Vacuum ball valve two and valve rod, the two of the valve body one
End is equipped with opening, and one end of the valve body one is detachably connected with auxiliary tube, the other end is fixedly connected with Vacuum ball valve one；
The valve body two is equipped with opening towards one end of Vacuum ball valve one, and the Vacuum ball valve one passes through one phase of clip with valve body two
Even, the valve rod is connected to one end on valve body two far from Vacuum ball valve one, and the valve handle activity is connected to valve body two, vacuum sphere
In valve one and valve body one；
The valve rod is detachably connected with plug；
The outside of the valve body two is equipped with interface, and the interface is connect with Vacuum ball valve two by clip two, the Vacuum ball valve
Two connection vacuum pumps.
2. a kind of tank body vacuum plug more changing device according to claim 1, which is characterized in that further include locking screw
Mother, the locking nut are equipped with inner shield ring, and the valve body one is equipped with outer retaining ring, the locking screw mother set towards one end of auxiliary tube
It is located on valve body one, the inner shield ring is in contact with outer retaining ring；
The auxiliary tube is equipped with external screw thread, and the locking nut is connected through a screw thread with auxiliary tube.
3. a kind of tank body vacuum plug more changing device according to claim 2, which is characterized in that the end of the auxiliary tube
Sealing ring is equipped between face and the end face of valve body one.
4. a kind of tank body vacuum plug more changing device according to claim 1 to 3, which is characterized in that described stifled
Head is equipped with internal thread hole, and the end of the valve rod is equipped with external screw thread, and the plug and valve rod are connected through a screw thread.
5. a kind of tank body vacuum plug more changing device according to claim 1, which is characterized in that the interlayer is equipped with
Vacuum meter.
6. a kind of working method of tank body vacuum plug more changing device described in claim 1, which is characterized in that including following
Step:
S1: interlayer keeps vacuum state, and plug is located in auxiliary tube；Vacuum ball valve one, two is opened, and vacuum pump is by valve body one and valve
Body two vacuumizes；
S2: Vacuum ball valve two is closed；
S3: plug is pulled in valve body two by valve rod；
S4: Vacuum ball valve one is closed；
S5: clip one is opened, and valve body two and Vacuum ball valve one are separated；
S6: plug or sealing ring are replaced；
S7: clip one is closed, and valve body two and Vacuum ball valve one are assembled；
S8: Vacuum ball valve two is opened, and vacuum pump vacuumizes valve body two；
S9: Vacuum ball valve two is closed；
S10: Vacuum ball valve one is opened；
S11: plug is pushed into auxiliary tube by valve rod；
S12: it completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354986.5A CN109986510A (en) | 2019-04-29 | 2019-04-29 | A kind of tank body vacuum plug more changing device and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354986.5A CN109986510A (en) | 2019-04-29 | 2019-04-29 | A kind of tank body vacuum plug more changing device and its working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109986510A true CN109986510A (en) | 2019-07-09 |
Family
ID=67135519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910354986.5A Pending CN109986510A (en) | 2019-04-29 | 2019-04-29 | A kind of tank body vacuum plug more changing device and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109986510A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591287A (en) * | 2013-11-12 | 2014-02-19 | 天津华迈燃气装备股份有限公司 | Vacuum pumping plugging device with sealing plug |
| CN104033725A (en) * | 2014-05-09 | 2014-09-10 | 南通龙鹰真空成套设备科技有限公司 | Vacuumizing system equipment for multilayer-winded vacuum thermal-insulation gas cylinder |
| US20160018060A1 (en) * | 2012-12-17 | 2016-01-21 | Westport Power Inc. | Method and Apparatus for Servicing a Tank, a Plug, or a Tank and Plug |
| CN107520802A (en) * | 2016-06-20 | 2017-12-29 | 北京航天试验技术研究所 | A kind of vacuum tube O-ring more changing device and replacing options |
| CN207378496U (en) * | 2017-10-19 | 2018-05-18 | 张家港富瑞深冷科技有限公司 | Vacuum plug changer |
| CN209699009U (en) * | 2019-04-29 | 2019-11-29 | 扬州巨人机械有限公司 | Tank body vacuum plug more changing device |
| CN111823183A (en) * | 2019-04-18 | 2020-10-27 | 上海电缆研究所有限公司 | Replacing device for vacuum container extraction piston |
| CN218698337U (en) * | 2022-11-04 | 2023-03-24 | 张家港中集圣达因特种装备有限公司 | Vacuum plug replacement tool |
-
2019
- 2019-04-29 CN CN201910354986.5A patent/CN109986510A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160018060A1 (en) * | 2012-12-17 | 2016-01-21 | Westport Power Inc. | Method and Apparatus for Servicing a Tank, a Plug, or a Tank and Plug |
| CN103591287A (en) * | 2013-11-12 | 2014-02-19 | 天津华迈燃气装备股份有限公司 | Vacuum pumping plugging device with sealing plug |
| CN104033725A (en) * | 2014-05-09 | 2014-09-10 | 南通龙鹰真空成套设备科技有限公司 | Vacuumizing system equipment for multilayer-winded vacuum thermal-insulation gas cylinder |
| CN107520802A (en) * | 2016-06-20 | 2017-12-29 | 北京航天试验技术研究所 | A kind of vacuum tube O-ring more changing device and replacing options |
| CN207378496U (en) * | 2017-10-19 | 2018-05-18 | 张家港富瑞深冷科技有限公司 | Vacuum plug changer |
| CN111823183A (en) * | 2019-04-18 | 2020-10-27 | 上海电缆研究所有限公司 | Replacing device for vacuum container extraction piston |
| CN209699009U (en) * | 2019-04-29 | 2019-11-29 | 扬州巨人机械有限公司 | Tank body vacuum plug more changing device |
| CN218698337U (en) * | 2022-11-04 | 2023-03-24 | 张家港中集圣达因特种装备有限公司 | Vacuum plug replacement tool |
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