CN108006349A - Coolant injection needle-valve quick coupling device - Google Patents
Coolant injection needle-valve quick coupling device Download PDFInfo
- Publication number
- CN108006349A CN108006349A CN201711445525.6A CN201711445525A CN108006349A CN 108006349 A CN108006349 A CN 108006349A CN 201711445525 A CN201711445525 A CN 201711445525A CN 108006349 A CN108006349 A CN 108006349A
- Authority
- CN
- China
- Prior art keywords
- compression bar
- pull rod
- valve
- coolant injection
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002826 coolant Substances 0.000 title claims abstract description 51
- 238000002347 injection Methods 0.000 title claims abstract description 40
- 239000007924 injection Substances 0.000 title claims abstract description 40
- 230000008878 coupling Effects 0.000 title claims abstract description 20
- 238000010168 coupling process Methods 0.000 title claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 88
- 238000007906 compression Methods 0.000 claims abstract description 88
- 238000009434 installation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 4
- 208000001034 Frostbite Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of coolant injection needle-valve quick coupling device, mainly including body, the first pull rod, the second pull rod, the first compression bar, the second compression bar, retaining ring；The body includes connecting portion, conducting portion, and connecting portion is disposed longitudinally on the middle part of conducting portion, and the both ends open of conducting portion, middle part are a via hole, and the front end of via hole is provided with thimble, and thimble is connected with needle-valve；First compression bar, the front end of the second compression bar are flexibly connected with the both ends of connecting portion respectively, the middle part of first pull rod, the rear end of the second pull rod respectively with the first compression bar, the second compression bar is flexibly connected, and first pull rod, the front end of the second pull rod and needle-valve are connected；The retaining ring is fastened on the rear portion of first compression bar and the second compression bar.The configuration of the present invention is simple, it is simple, convenient, it is easy to dismounting, it can be achieved that Fast Installation and the dismounting of coolant injection needle-valve, coolant leakage amount greatly reduce.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of coolant injection needle-valve quick coupling device.
Background technology
Mainly formed in existing coolant injection mode with coolant charging connector with connecting tube, this kind of coolant injection mode
With following problem：First, during use, some may with coolant injection needle-valve or some coolant injection interfaces
During connection filling pipe fitting, or, because the reason such as unskilled or maloperation, occur during dismounting filling pipe fitting after the completion of filling
Liquid or the phenomenon of a large amount of gaseous refrigerants outflow, there is a situation where hand frostbite；Second, coolant injection is carried out every time,
Need to connect coolant injection pipe pipe fitting, and generally require slowly to screw manually, work efficiency is low；Third, completed in coolant injection
Afterwards, because that cannot be rapidly separated needle-valve and thimble so that refrigerant has certain leakage rate, cause to waste.
Therefore it is urgent to provide a kind of new coolant injection needle-valve quick coupling device to solve the above problems.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of coolant injection needle-valve quick coupling device simple in structure,
Coolant injection needle-valve can easily and fast be dismounted.
In order to solve the above technical problems, one aspect of the present invention is：It is fast to provide a kind of coolant injection needle-valve
Quick coupling device, mainly including body, pull rod, compression bar, retaining ring；
The body includes connecting portion, conducting portion, and connecting portion is disposed longitudinally on the middle part of conducting portion, and the both ends of conducting portion are opened
Mouth, middle part are a via hole, and the front end of via hole is provided with thimble, and thimble is connected with needle-valve；
The pull rod includes the first pull rod, the second pull rod；The compression bar includes the first compression bar, the second compression bar；
First compression bar, the front end of the second compression bar are flexibly connected with the both ends of connecting portion respectively, first pull rod,
Middle part of the rear end of two pull rods respectively with the first compression bar, the second compression bar is flexibly connected, first pull rod, the front end of the second pull rod
It is connected with needle-valve；
The retaining ring is fastened on the rear portion of first compression bar and the second compression bar.
In a preferred embodiment of the present invention, the connecting portion is respectively equipped with bulk at the both ends in opposite sides face
One boss, is provided with a pin hole on each boss, for being flexibly connected with the first compression bar, the second compression bar.
In a preferred embodiment of the present invention, first pull rod and the second pull rod are L-shaped, including stock, quarter butt,
The end of stock is provided with a pin hole, and the end of quarter butt is semicircular arc；
The end of first pull rod and the second pull rod quarter butt is staggered relatively, and the middle through-hole for placing needle-valve is formed with this,
Position-limiting action is risen to needle-valve.
In a preferred embodiment of the present invention, the front portion of first compression bar and the second compression bar is U-shaped, including two
Stent, the end and middle part of two stents have a pin hole.
In a preferred embodiment of the present invention, the rear end of first compression bar is provided with a slot, the rear end of the second compression bar
A through hole is provided with, the bottom of the slot is opposite with the position of through hole；
The through hole of the retaining ring through the second compression bar is fastened in the slot of the first compression bar.
Further, the bracket end of first compression bar is connected with two boss of connecting portion one side by pin interference
Connect；
The bracket end of second compression bar is connected with two boss of connecting portion another side by pin interference；
The end of the first pull rod stock is connected with the mid-stent of the first compression bar by pin interference respectively；
The end of the second pull rod stock is connected with the mid-stent of the second compression bar by pin interference respectively.
In a preferred embodiment of the present invention, the conducting portion is cylindrical in shape, and one end is equipped with and coolant connecting tube pipe fitting
The external screw thread of flexible connection, another end opening are connected with needle-valve, are provided with the front-end port of via hole and live with thimble
The internal thread of dynamic connection.
Further, a counterbore is provided with the conducting portion installation thimble, rubber ring is installed in counterbore, is not only acted as
The effect of hole and needle-valve is sealed and conducted, and the installation to needle-valve has certain cushioning effect.
The beneficial effects of the invention are as follows：
(1) the configuration of the present invention is simple, coolant connecting tube is disposably installed by one end of body conducting portion, coordinate compression bar with
Pull rod completes the other end and coolant injection needle-valve Fast Installation of conducting portion, you can realizes coolant injection, mounts and dismounts needle-valve
Be connected thereto the speed of device faster, it is more efficient；
(2) present invention is simple, convenient, is easy to dismount, and greatly reduces because operating personnel are unskilled or maloperation etc.
Some reasons and hand or the probability of other body part frostbite occurs；After the completion of coolant injection, needle-valve can be quick with thimble
Separation so that coolant leakage amount greatly reduces.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of one preferred embodiment of coolant injection needle-valve quick coupling device of the present invention；
Fig. 2 is the profile of Fig. 1；
Fig. 3 is the dimensional structure diagram under the coolant injection needle-valve quick coupling device open mode；
Fig. 4 is the profile of Fig. 3；
Fig. 5 is the dimensional structure diagram after the coolant injection needle-valve quick coupling device installation needle-valve；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the profile of Fig. 5；
The mark of each component is as follows in attached drawing：1st, body, 11, connecting portion, 111, boss, 12, conducting portion, 121, conducting
Hole, 122, external screw thread, 123, internal thread, 124, counterbore, 13, thimble, 14, rubber ring, the 21, first pull rod, 211, stock, 212,
Quarter butt, the 22, second pull rod, the 31, first compression bar, 311, stent, 312, slot, the 32, second compression bar, 321, through hole, 4, retaining ring, 5,
Needle-valve, 6, pin hole, 7, pin.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Please refer to Fig.1 to Fig.4, the embodiment of the present invention includes：
A kind of coolant injection needle-valve quick coupling device, mainly includes body 1, pull rod, compression bar, retaining ring 4, the pull rod bag
Include the first pull rod 21, the second pull rod 22；The compression bar includes the first compression bar 31, the second compression bar 32.
The body 1 includes connecting portion 11, conducting portion 12, and connecting portion 11 is disposed longitudinally on the middle part of conducting portion 12, connects
Portion 11 is structure as a whole with conducting portion 12.The conducting portion 12 is cylindrical in shape, and both ends open, middle part are a via hole 121, as system
The flow channel of cryogen.One end of conducting portion 12 is equipped with the external screw thread 122 being flexibly connected with coolant connecting tube pipe fitting, the other end
Opening is connected with needle-valve 5.The front end of via hole 121 is provided with thimble 13, in the front-end port of via hole 121 is provided with
Screw thread 123, the rear end of thimble 13 is connected with 121 nose threads of via hole, front end and needle-valve 5 are connected.The thimble 13 exists
Spool that also can be in open-top needle-valve 5 while compressing body 1 and needle-valve 5, so that coolant injection pipe and needle-valve 5 are welded
Unit built-in system communicates.
Preferably, the conducting portion 12 is installed and is provided with a counterbore 124 at thimble 13, and rubber ring is provided with counterbore 124
14, the effect for sealing and conducting hole 121 and needle-valve 5 is not only acted as, and the installation to needle-valve 5 has certain cushioning effect.
The connecting portion 11 is cubic shown in figure, it is convex to be respectively equipped with one at the both ends in opposite sides face in bulk
Platform 111, is provided with a pin hole 6 on each boss, for being flexibly connected with the first compression bar 31, the second compression bar 32.
With reference to Fig. 3, first pull rod 21 and the second pull rod 22 are L-shaped, including stock 211, quarter butt 212, stock 211
End have a pin hole 6, the end of quarter butt 212 is semicircular arc, and staggered relatively, and pin can be placed by being formed with this
The middle through-hole of valve 5, position-limiting action is played to needle-valve 5.
The front portion of first compression bar 31 and the second compression bar 32 is U-shaped, including two stents 311, two stents 311
End and middle part have a pin hole 6, and in a state of use, first compression bar 31 is parallel up and down with the second compression bar 32
State.The rear end of first compression bar 31 is provided with a slot 312, and the rear end of the second compression bar 32 is provided with a through hole 321, described to slit
The bottom of groove 312 is opposite with the position of through hole 321, and the through hole 321 of the retaining ring 4 through the second compression bar 32 is fastened on the first compression bar
In 31 slot 312, play the role of fixing the first compression bar 31 and the second compression bar 32.When without using retaining ring 4, due to through
The through hole 321 of two compression bars 32, it is therefore prevented that the loss of retaining ring 4.
Further, 311 end of stent of first compression bar 31 passes through pin with two boss 111 of 11 one side of connecting portion
Follow closely 7 interference connection；311 end of stent of second compression bar 32 passes through pin 7 with two boss 111 of 11 another side of connecting portion
Interference connects；The end of first pull rod, 21 stock 211 passes through 7 mistake of pin with the middle part of stent 311 of the first compression bar 31 respectively
It is full of connection；The end of second pull rod, 22 stock 211 passes through 7 interference of pin with the middle part of stent 311 of the second compression bar 32 respectively
Connection.Above-mentioned connection mode makes the compression bar, pull rod and connecting portion 11 form a linkage structure, by the way that retaining ring 4 is fastened on institute
State the rear portion of the first compression bar 31 and the second compression bar 32, you can the first pull rod 21 and the front end of the second pull rod 22 is clasped needle-valve 5, beat
Retaining ring 4 is opened, discharges compression bar, compression bar drives the release of pull rod, and then completes the dismounting of needle-valve 5.
Fig. 5 to Fig. 7 is referred to, during using the coolant injection needle-valve quick coupling device, first by coolant connecting tube pipe
Connector is screwed with the external screw thread 122 of 1 conducting portion of body, 12 left end and is connected, while coolant injection needle-valve 5 is aligned the top in body 1
Pin 13 is put into, and fastens the copper pipe of 5 valve body of needle-valve by the end of 22 quarter butt 212 of the first pull rod 21 and the second pull rod, then backward
And the first compression bar 31 and the second compression bar 32 are pressed in opposite directions, after retaining ring 4 finally is fastened on the first compression bar 31 and the second compression bar 32
Portion, that is, complete the Fast Installation of needle-valve 5, realize the assembling of coolant injection interface, while will not make the first compression bar 31 and the second pressure
Bar 32 causes refrigerant to leak because voluntarily loosening.
After the completion of coolant injection, by the way that retaining ring 4 and the slot 312 of the first compression bar 31 are separated, the first compression bar is reversely pushed open
31 and second compression bar 32, you can the first pull rod 21 of release and the second pull rod 22, at this time needle-valve 5 quickly separated with body 1, realization
The separation of coolant injection interface and the present apparatus, and the thimble 13 inside body 1 causes coolant leakage because being separated with needle-valve 5 rapidly
Amount can be less compared in the past.
The configuration of the present invention is simple, coolant connecting tube is disposably installed by one end of 1 conducting portion 12 of body, coordinate compression bar with
Pull rod completes the other end and coolant injection needle-valve Fast Installation of conducting portion 12, you can realizes coolant injection, mounts and dismounts pin
Valve 5 be connected thereto the speed of device faster, it is more efficient；It is simple, convenient at the same time, it is easy to dismount, greatly reduces because of behaviour
Make that personnel are unskilled or some reasons such as maloperation and hand or the probability of other body part frostbite occurs；Coolant injection is completed
Afterwards, needle-valve 5 and thimble 13 being capable of quick separatings so that coolant leakage amount greatly reduces.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made, is directly or indirectly used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of coolant injection needle-valve quick coupling device, it is characterised in that mainly including body, pull rod, compression bar, retaining ring；
The body includes connecting portion, conducting portion, and connecting portion is disposed longitudinally on the middle part of conducting portion, the both ends open of conducting portion,
Middle part is a via hole, and the front end of via hole is provided with thimble, and thimble is connected with needle-valve；
The pull rod includes the first pull rod, the second pull rod；The compression bar includes the first compression bar, the second compression bar；
First compression bar, the front end of the second compression bar are flexibly connected with the both ends of connecting portion respectively, and first pull rod, second are drawn
Middle part of the rear end of bar respectively with the first compression bar, the second compression bar is flexibly connected, first pull rod, the front end of the second pull rod and pin
Valve is connected；
The retaining ring is fastened on the rear portion of first compression bar and the second compression bar.
2. coolant injection needle-valve quick coupling device according to claim 1, it is characterised in that the connecting portion is in block
Shape, a boss is respectively equipped with the both ends in opposite sides face, a pin hole is provided with each boss.
3. coolant injection needle-valve quick coupling device according to claim 1, it is characterised in that first pull rod and
Two pull rods are L-shaped, including stock, quarter butt, and the end of stock is provided with a pin hole, and the end of quarter butt is semicircular arc；
The end of first pull rod and the second pull rod quarter butt is staggered relatively, and the middle through-hole for placing needle-valve is formed with this.
4. coolant injection needle-valve quick coupling device according to claim 1, it is characterised in that first compression bar and
The front portion of two compression bars is U-shaped, including two stents, and the end and middle part of two stents have a pin hole.
5. coolant injection needle-valve quick coupling device according to claim 1, it is characterised in that after first compression bar
End is provided with a slot, and the rear end of the second compression bar is provided with a through hole, and the bottom of the slot is opposite with the position of through hole；
The through hole of the retaining ring through the second compression bar is fastened in the slot of the first compression bar.
6. coolant injection needle-valve quick coupling device according to any one of claims 1 to 5, it is characterised in that
The bracket end of first compression bar is connected with two boss of connecting portion one side by pin interference；
The bracket end of second compression bar is connected with two boss of connecting portion another side by pin interference；
The end of the first pull rod stock is connected with the mid-stent of the first compression bar by pin interference respectively；
The end of the second pull rod stock is connected with the mid-stent of the second compression bar by pin interference respectively.
7. coolant injection needle-valve quick coupling device according to claim 1, it is characterised in that the conducting portion is in cylinder
Shape, one end are equipped with the external screw thread being flexibly connected with coolant connecting tube pipe fitting, and another end opening is connected with needle-valve, is turning on
The internal thread being flexibly connected with thimble is provided with the other end port in hole.
8. the coolant injection needle-valve quick coupling device according to claim 1 or 7, it is characterised in that the conducting portion peace
A counterbore is provided with dress thimble, rubber ring is installed in counterbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711445525.6A CN108006349A (en) | 2017-12-27 | 2017-12-27 | Coolant injection needle-valve quick coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711445525.6A CN108006349A (en) | 2017-12-27 | 2017-12-27 | Coolant injection needle-valve quick coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108006349A true CN108006349A (en) | 2018-05-08 |
Family
ID=62061814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711445525.6A Pending CN108006349A (en) | 2017-12-27 | 2017-12-27 | Coolant injection needle-valve quick coupling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006349A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034572A (en) * | 2021-11-10 | 2022-02-11 | 山东黄金矿业科技有限公司深井开采实验室分公司 | Up-down opening type 120MPa pressure-resistant ultrahigh pressure true triaxial pressure test equipment and method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054135U (en) * | 1989-10-27 | 1990-03-07 | 首都钢铁公司 | Fast locking pipe joint |
| USRE34426E (en) * | 1987-11-05 | 1993-11-02 | Production Control Units, Inc. | Dispensing tool assembly for charging a refrigerant into a system |
| EP0976958A2 (en) * | 1998-07-29 | 2000-02-02 | Adam Gerich | Assembly aid for a fastening device, in particular for hose and pipe couplings |
| CN1279754A (en) * | 1997-11-25 | 2001-01-10 | 法斯泰斯特公司 | High pressure fluidline connector |
| CN102486245A (en) * | 2010-12-02 | 2012-06-06 | 华东电力试验研究院有限公司 | Connecting device of sulfur hexafluoride gas insulating equipment |
| RU2010148375A (en) * | 2008-04-28 | 2012-06-10 | Мюррей ОСТОН (AU) | AIR FUSE CONNECTOR |
| CN103753486A (en) * | 2014-01-09 | 2014-04-30 | 上海交通大学 | Pipe withdrawing tongs |
| CN203823265U (en) * | 2014-04-04 | 2014-09-10 | 深圳麦克维尔空调有限公司 | Joint provided with centre |
| CN205298776U (en) * | 2015-11-12 | 2016-06-08 | 浙江盾安机电科技有限公司 | Needle valve thimble and valve |
| CN206539809U (en) * | 2017-02-08 | 2017-10-03 | 华尔达（厦门）塑胶有限公司 | Water pipe and valve cock core print seat fast assembling disassembling structure |
| CN207701995U (en) * | 2017-12-27 | 2018-08-07 | 科希曼电器有限公司 | Coolant injection needle-valve quick coupling device |
-
2017
- 2017-12-27 CN CN201711445525.6A patent/CN108006349A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE34426E (en) * | 1987-11-05 | 1993-11-02 | Production Control Units, Inc. | Dispensing tool assembly for charging a refrigerant into a system |
| CN2054135U (en) * | 1989-10-27 | 1990-03-07 | 首都钢铁公司 | Fast locking pipe joint |
| CN1279754A (en) * | 1997-11-25 | 2001-01-10 | 法斯泰斯特公司 | High pressure fluidline connector |
| EP0976958A2 (en) * | 1998-07-29 | 2000-02-02 | Adam Gerich | Assembly aid for a fastening device, in particular for hose and pipe couplings |
| RU2010148375A (en) * | 2008-04-28 | 2012-06-10 | Мюррей ОСТОН (AU) | AIR FUSE CONNECTOR |
| CN102486245A (en) * | 2010-12-02 | 2012-06-06 | 华东电力试验研究院有限公司 | Connecting device of sulfur hexafluoride gas insulating equipment |
| CN103753486A (en) * | 2014-01-09 | 2014-04-30 | 上海交通大学 | Pipe withdrawing tongs |
| CN203823265U (en) * | 2014-04-04 | 2014-09-10 | 深圳麦克维尔空调有限公司 | Joint provided with centre |
| CN205298776U (en) * | 2015-11-12 | 2016-06-08 | 浙江盾安机电科技有限公司 | Needle valve thimble and valve |
| CN206539809U (en) * | 2017-02-08 | 2017-10-03 | 华尔达（厦门）塑胶有限公司 | Water pipe and valve cock core print seat fast assembling disassembling structure |
| CN207701995U (en) * | 2017-12-27 | 2018-08-07 | 科希曼电器有限公司 | Coolant injection needle-valve quick coupling device |
Non-Patent Citations (1)
| Title |
|---|
| 沈云霞: "综合布线实用教程 第2版", 国防工业出版社, pages: 124 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034572A (en) * | 2021-11-10 | 2022-02-11 | 山东黄金矿业科技有限公司深井开采实验室分公司 | Up-down opening type 120MPa pressure-resistant ultrahigh pressure true triaxial pressure test equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205279552U (en) | Refrigerant is retrieved to fill and is used manifold | |
| CN108006349A (en) | Coolant injection needle-valve quick coupling device | |
| CN207701995U (en) | Coolant injection needle-valve quick coupling device | |
| CN206708724U (en) | A kind of liquefied gas intelligence filing gun | |
| CN213479818U (en) | Based on CO2Tail gas recovery system for gas leakage detection | |
| CN206120818U (en) | Can operate tapping ware repeatedly | |
| CN113719754B (en) | Rocket liquid oxygen filling system and control method | |
| CN209320926U (en) | A kind of master cylinder with rigid petroleum pipeline | |
| CN205901248U (en) | Fill electric pile atress cable joint | |
| CN213158501U (en) | Injector joint for inflating and pressurizing | |
| CN109339715B (en) | A kind of oil field screw-type tubing nipple of the outer silk of double end | |
| CN210194164U (en) | Sewing machine convenient to aircraft nose refuels lubricated | |
| CN209426167U (en) | A kind of 3D printer spray head cleaning mechanism of liquidproof blocking | |
| CN208397501U (en) | A kind of rubber hose docking connector | |
| CN201392729Y (en) | Sulfur hexafluoride transformer gas-filled joint | |
| CN202992321U (en) | High-pressure valve combined valve body for high-pressure supercharging device | |
| CN220366081U (en) | Diffusion pump sealing assembly | |
| CN208254552U (en) | A kind of thermal test flow differential pressure transmitter attachment device | |
| CN206763774U (en) | Compressor oil pipe electric tube expander | |
| CN219037167U (en) | Refrigerant table group with low pressure filling port | |
| CN214035619U (en) | Filling pipeline for corrosion inhibitor and inhibitor | |
| CN214543101U (en) | Block terminal convenient to detect leaks | |
| CN109443005A (en) | It is pressurizeed by structure and is crushed exhaust Anti-bubble Rapid fettling equipment for metallurgy heating furnace | |
| CN111895210B (en) | Plugging device for pressure pipeline | |
| CN207423615U (en) | Variable gas inlet connecting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |