CN110185821A - One kind pulling valve - Google Patents
One kind pulling valve Download PDFInfo
- Publication number
- CN110185821A CN110185821A CN201910562212.1A CN201910562212A CN110185821A CN 110185821 A CN110185821 A CN 110185821A CN 201910562212 A CN201910562212 A CN 201910562212A CN 110185821 A CN110185821 A CN 110185821A
- Authority
- CN
- China
- Prior art keywords
- valve
- external member
- elastic tensioning
- valve body
- pulling
- 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
- 238000000926 separation method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012800 visualization Methods 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
Abstract
The present invention provides one kind to pull valve, including the outer valve external member and inner valve body external member being mutually socketed, wherein one end of the inner valve body external member is provided with elastic tensioning component, wherein one end of the outer valve external member is provided with the card slot to match with the elastic tensioning component, it is snapped connection between the elastic tensioning component and the card slot, and the elastic tensioning component can be separated with the card slot when by external force；The outer valve external member and the inner valve body external member are connected with each other or are separated by the elastic tensioning component and the card slot.This, which pulls valve, can be repeated as many times use, and easy to maintenance.
Description
Technical field
The present invention relates to valve technology field, in particular to one kind pulls valve.
Background technique
Pulling valve is as being mounted on pipeline by the equipment parts of pipeline direction pulling force most fragile.Various drawings currently on the market
De- valve or Pull breaking ualve, are locked and are fastened to two parts valve body using metal tension part, anchor ear part etc., work as under tension
After safe value of thrust, metal tension part or anchor ear part need to repair or discard place again by physical breaking-up when being pulled off
Reason falls two parts valve body, repairs and then there is a problem of period length when price for repairing, waste treatment then has waste.
Summary of the invention
The purpose of the present invention is to provide one kind to pull valve, this, which pulls valve, can solve repair cycle length and waste of material
Problem.
In order to achieve the above objects and other related objects, the present invention provides one kind to pull valve, outer including what is be mutually socketed
Valve body external member and inner valve body external member, wherein one end of the inner valve body external member are provided with elastic tensioning component, the outer valve set
Wherein one end of part is provided with the card slot to match with the elastic tensioning component, the elastic tensioning component and the card slot it
Between snap connection, and the elastic tensioning component can be separated with the card slot when by external force；The outer valve
External member and the inner valve body external member are connected with each other or are separated by the elastic tensioning component and the card slot.
Further, the elastic tensioning component includes annular base and at least two along wherein one end of annular base week
To symmetrically arranged elastic tensioning pawl, the elastic tensioning pawl is buckle structure, the slot position structure and the elasticity of the card slot
The buckle structure of tension grip matches, the elastic tensioning pawl have lead-in angle and export angle so that the elastic tensioning pawl by
It is detached to external force clamp in the card slot or from the slot.
Further, which is characterized in that a ring shape tension spring is provided on the outside of all elastic tensioning pawls.
Further, the outer valve external member includes outer shield, chuck and outer valve, and the outer valve is arranged in outer shield
Inner cavity in, the chuck be equipped with flange and with the groove that matches at the top of the elastic tensioning component, the chuck
Between the outer shield and the outer valve, the flange is located in the card slot clamp, the outer shield and the chuck
Between in the axial direction be equipped with spring, be fixedly connected between the outer shield and the outer valve using limiting retainer ring.
Further, the inner sidewall of the outer valve is equipped with a circle seal rubber.
Further, the card slot is located at the lateral wall of outer valve.
Further, the inner valve body external member includes interior shield and inner valve body, and the inner valve body is arranged in interior shield
In chamber, the elastic tensioning component between the interior shield and the inner valve body, the elastic tensioning component with it is described interior
Spring is equipped between valve body in the axial direction, is fixedly connected between the interior shield and the inner valve body using limiting retainer ring.
Further, gap is provided between the elastic tensioning component and the inner valve body external member.
Further, a check-valves is respectively included in the outer valve external member and inner valve body external member, when the outer valve
When external member is connected with inner valve body external member, the check-valves is mutually pushed and is kept it turned on；When the outer valve external member and internal valve
When body external member separates, the check-valves is voluntarily closed respectively.
Further, the outer valve external member and inner valve body external member are equipped with visualization positioning device, described outer to determination
Whether valve body external member and inner valve body external member are installed in place.
In conclusion the present invention is using the deformable elastic material rationality of elastic tensioning component and has a degree of tension
Intensity is effectively tensed to design pulling assembly to the outer valve external member and inner valve body external member two parts that pull valve, is suitable for
The application of certain temperature range.When being pulled, elastic tensioning component forces opening angle by pressure, crosses holding constraint
After point, it can be pulled and be separated into two parts.After separating, each components in outer valve external member and inner valve body external member do not have
At all damage.After the elastic tensioning component is pulled, after carrying out simple and quick inspection confirmation, it can be made at once by repeated multiple times
With；The longer seeervice cycle for repairing replacement components is eliminated, the waste of components material is also avoided.The elastic tensioning component
After being used repeatedly, spare part is if desired replaced, it is only necessary to integral replacing includes this internal valve body portion of elastic tensioning component,
There is click-on design inside this part valve body, while pulling valve equipped with positioning device, pulls whether valve is correctly installed to position.
Detailed description of the invention
Fig. 1 is that one kind provided in an embodiment of the present invention pulls valve cross-sectional view；
Fig. 2 is the outer valve external member cross-sectional view that valve is pulled shown in Fig. 1；
Fig. 3 is the inner valve body external member cross-sectional view that valve is pulled shown in Fig. 1；
Fig. 4 is kernel component structural schematic diagram (including chuck, ring spring and the elastic tensioning that valve is pulled shown in Fig. 1
Component)；
Fig. 5 is the side view that elastic tension grip in valve is pulled shown in Fig. 1；
Fig. 6 is the structural schematic diagram that valve (not including outer shield and interior shield) is pulled shown in Fig. 1；
Fig. 7 is the side view that valve is pulled shown in Fig. 1；
Wherein, 1- outer valve, 2- limiting retainer ring, 3- spring, 4- check-valves position thrust frame, 5- outer shield, 6- check-valves
Flap, 7- chuck, 8- annular tension spring, 9- elastic tensioning pawl, 10- seal rubber, 11- check-valves flap, shield in 12-, 13- wave
Shape spring, 14- check-valves position thrust frame, 15- limiting retainer ring, 16- inner valve body, 17- color identifier, 18- annular base, 19-
Export angle, 20- lead-in angle.
Specific embodiment
Core of the invention thought be to provide it is a kind of can be easy for removal and installation pull valve, especially tearing open when pulling valve
When unloading, it will not damage and pull valve member, be used so as to pull valve and can be repeated as many times, while this pulls valve and also facilitates maintenance.
Valve is pulled to one kind proposed by the present invention below in conjunction with the drawings and specific embodiments to be described in further detail.According to
Explanation and claims, advantages and features of the invention will become apparent from below.Simplify very much it should be noted that attached drawing is all made of
Form and use non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
In the description of the present invention, it is to be understood that, the instructions such as term " center ", "upper", "lower", "left", "right"
Orientation or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
It refering to fig. 1, is the cross-sectional view provided in an embodiment of the present invention for pulling valve.The valve that pulls of the present embodiment includes mutual
The outer valve external member and inner valve body external member of socket, wherein one end of the inner valve body external member is provided with elastic tensioning component, described
Wherein one end of outer valve external member is provided with the card slot to match with the elastic tensioning component, the elastic tensioning component and institute
It states and is snapped connection between card slot, and the elastic tensioning component can be separated with the card slot when by external force；Institute
It states outer valve external member and the inner valve body external member and is connected with each other or separates by the elastic tensioning component and the card slot.
In conjunction with Fig. 4 and Fig. 5, the elastic tensioning component include annular base 18 and at least two along annular base 18 its
The circumferentially symmetrically arranged elastic tensioning pawl 9 in middle one end avoids the occurrence of unbalance stress phenomenon and influences to ensure the symmetry of structure
Using effect, the elastic tensioning pawl 9 are buckle structure, the buckle of the slot position structure of the card slot and the elastic tensioning pawl 9
Structure matches, and the elastic tensioning pawl 9 has lead-in angle 20 and export angle 19, so that the elastic tensioning pawl 9 is by external force
Effect clamp are detached from the card slot or from the slot.
In addition, ring spring 8 is held tightly figure 4, it is seen that the outside of elastic tensioning pawl 9 is equipped with a ring shape tension spring 8
Elastic tensioning pawl 9, specific connection structure is as shown in fig. 6, when elastic tensioning pawl 9 opens, and also and then annular is straight for annular tension spring 8
Diameter becomes larger, and can limit the opening of elastic tensioning pawl 9, can further enhance the stability for pulling valve connection.The present embodiment
Elastic tensioning component is provided with 6 elastic tensioning pawls 9, certainly in the present invention elastic tension grip 9 quantity two or two with
On, the quantity of elastic tensioning pawl 9 can be arranged in those skilled in the art according to actual needs.
As shown in figure 5, lead-in angle 20 on elastic tensioning pawl 9 and export angle 19 are inclined-plane, and its angle can 0 °-
Between 90 ° (not including 0 ° and 90 °).In addition, lead-in angle 20 and other antarafacial structures such as export angle 19 or cambered surface, this hair
It is bright not limit specific structure.
Referring to Fig.2, it is the cross-sectional view for the outer valve external member that the present embodiment pulls valve.Outer valve external member include outer shield 5,
Chuck 7 and outer valve 1, the outer valve 1 are arranged in the inner cavity of outer shield 5, and chuck 7 is equipped with flange and and elastic tensioning
The groove that the top of pawl 9 matches, and clamp, between the outer shield 5 and outer valve 1, the flange is located at the card slot
Interior, outer shield 5 and chuck 7 are equipped with spring 3 in the axial direction, while spring 3 applies thrust to outer shield 5 and chuck 7 in the axial direction.
It is fixedly connected between outer shield 5 and outer valve 1 using limiting retainer ring 2, resistance of the chuck 7 due to a protrusion on outer valve 1
It keeps off and is fixed on outer valve 1.
It is the cross-sectional view for the inner valve body external member that the present embodiment pulls valve refering to Fig. 3.Inner valve body external member includes interior shield 12
With inner valve body 16, the inner valve body 16 is arranged in the inner cavity of interior shield 12, and elastic tensioning pawl 9 is located at interior shield 12 and inner valve body
Between 16, waveform spring 13 is equipped between elastic tensioning component and inner valve body 16 in the axial direction, while waveform spring 13 is in axial direction
Upper inside shield 12 applies thrust with elastic tensioning component.Connect between interior shield 12 and inner valve body 16 using limiting retainer ring 15 is fixed
It connects.
Further, the card slot is circumferentially positioned on the lateral wall of the card slot outer valve 1.
Further, when pulling valve and being installed, elastic tensioning pawl 9 is directed at the card slot of outer valve 1, pushes two parts valve
Body external member, elastic tensioning pawl 9 are inserted into card slot, and spring 3 is by moderate compression, 7 appropriateness axial movement of chuck.Then in appropriate rotation
Valve body external member and outer valve external member, so that the top of elastic tensioning pawl 9 enters in the groove of chuck 7 and can not by the limit of chuck 7
It is further continued for rotating.In addition elastic tensioning pawl 9 is pushed by waveform spring 13, so that the export angle 19 of elastic tensioning pawl 9 is fitted in card
On slot, more preferably, card slot is identical as the export binding face shape at angle 19, to enhance the leakproofness for pulling valve.
When pulling valve and being dismantled, apply pulling-out force respectively in the axial direction of inner valve body external member and outer valve external member, elasticity
The buckle structure of tension grip 9 can open, if pulling force is not big enough, elastic tensioning pawl 9 is still maintained to be connect with the tension inclined-plane of outer valve 1
Touching, pulling valve will not be pulled, and still can work normally；If pulling force continuously rises to be more than safe pulling-out force setting value, bullet
Property tension grip 9 tension grip will continue to open, until the tension inclined-plane of elastic tensioning pawl 9 and outer valve 1 is detached from, inner valve body external member
It is opened with outer valve external member.
For the ease of the opening of elastic tensioning pawl 9, between being provided between the elastic tensioning component and the inner valve body external member
Gap, more preferably, the gap is near the buckle structure of elastic tensioning pawl 9.
More preferably, for the ease of pulling valve and will not arbitrarily rotate after pulling valve installing and dismounting and installation, outer shield 5, card
Disk 7 is non-rotatable on outer valve 1, and interior shield 12, elastic tensioning pawl 9 are non-rotatable on inner valve body 16.
More preferably, the inside of outer valve external member and inner valve body external member respectively includes a check-valves.
In conjunction with from the point of view of Fig. 1-3, the check-valves in outer valve external member includes that check-valves positions thrust frame 4 and check-valves flap 6,
Check-valves in inner valve body external member includes check-valves positioning thrust frame 14 and check-valves flap 11.Check-valves positions 4 He of thrust frame
Check-valves positioning thrust frame 14 is respectively used to fixed check-valves flap 6 and check-valves flap 11, makes its positioning.When outer valve external member
When mutually installing connection with inner valve body external member, the valve port interconnection of check-valves flap 6 and check-valves flap 11 is mutually pushed away, to protect
Hold valve body open state.When outer valve external member and inner valve body external member are mutually disengaged, check-valves flap 6 and check-valves flap 11
Valve port automatic-sealed prevents medium (including gas or liquid) from revealing.
Preferably, a circle seal rubber 10 is equipped in the inner cavity of outer valve 1.When outer valve external member and inner valve body external member are mutual
When installation connection, the inner sidewall of the lateral wall and outer valve 1 of inner valve body 16 is bonded to each other, and seal rubber 10 is located at inner valve body 16
Between lateral wall and the inner sidewall of outer valve 1, the leakproofness for pulling valve can be increased.
Meanwhile outer valve external member and inner valve body external member are equipped with positioning device, pull whether valve is installed in place to determination.Such as
Shown in Fig. 7, there is one piece of color identifier 17 in the present embodiment on inner valve body 16, there is one piece of through-hole on outer valve 1, when installation, when logical
Hole is directed at color identifier 17, is installed in place with regard to representing.
It is to be appreciated that technical staff can pass through the tension of change elastic tensioning pawl 9 and the tension inclined-plane of outer valve 1
Angle and tension contact area, and change the coefficient of elasticity of annular tension spring 8, to change safe pulling-out force setting value size, thus
Design meets the pulling-out force of the different size demand of different application.
In conclusion valve installs card slot respectively in outer valve external member and inner valve body external member and elasticity is drawn for of the invention pulling
Tight component, convenient for pulling the installation and removal of valve.Elastic tensioning pawl has certain elasticity simultaneously, can be to avoid each components
Damage, allow to pull valve and be repeated as many times and use, saved cost.Due to elastic tensioning pawl, interior shield and outer shield etc. zero
Part is defined using limiting retainer ring and spring, is conveniently replaceable.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (10)
1. one kind pulls valve, including the outer valve external member and inner valve body external member being mutually socketed, which is characterized in that the inner valve body set
Wherein one end of part is provided with elastic tensioning component, and wherein one end of the outer valve external member is provided with and the elastic tensioning group
The card slot that part matches snaps connection between the elastic tensioning component and the card slot, and institute when by external force
Stating elastic tensioning component can separate with the card slot；The outer valve external member and the inner valve body external member are drawn by the elasticity
Tight component and the card slot are connected with each other or separation.
2. pulling valve as described in claim 1, which is characterized in that the elastic tensioning component includes annular base and at least two
A circumferentially symmetrically arranged elastic tensioning pawl in wherein one end along annular base, the elastic tensioning pawl is buckle structure, described
The slot position structure of card slot and the buckle structure of the elastic tensioning pawl match, and the elastic tensioning pawl has lead-in angle and export
Angle, so that the elastic tensioning pawl is detached from by external force clamp in the card slot or from the slot.
3. pulling valve as claimed in claim 2, which is characterized in that be provided with a circle on the outside of all elastic tensioning pawls
Annular tension spring.
4. pulling valve as described in claim 1, which is characterized in that the outer valve external member includes outer shield, chuck and outer valve
Body, the outer valve are arranged in the inner cavity of outer shield, the chuck be equipped with flange and with the elastic tensioning component
The groove that top matches, for the chuck clamp between the outer shield and the outer valve, the flange is located at the card
In slot, spring is equipped between the outer shield and the chuck in the axial direction, is used between the outer shield and the outer valve
Limiting retainer ring is fixedly connected.
5. pulling valve as claimed in claim 4, which is characterized in that the inner sidewall of the outer valve is equipped with a circle seal rubber.
6. pulling valve as claimed in claim 4, which is characterized in that the card slot is located at the lateral wall of outer valve.
7. pulling valve as described in claim 1, which is characterized in that the inner valve body external member includes interior shield and inner valve body, institute
Inner valve body is stated to be arranged in the inner cavity of interior shield, the elastic tensioning component between the interior shield and the inner valve body,
Spring is equipped between the elastic tensioning component and the inner valve body in the axial direction, is adopted between the interior shield and the inner valve body
It is fixedly connected with limiting retainer ring.
8. pulling valve as claimed in claim 7, which is characterized in that between the elastic tensioning component and the inner valve body external member
It is provided with gap.
9. pulling valve as described in claim 1, which is characterized in that respectively included in the outer valve external member and inner valve body external member
One check-valves, when the outer valve external member is connected with inner valve body external member, the check-valves is mutually pushed and is kept it turned on；
When the outer valve external member and inner valve body external member separate, the check-valves is voluntarily closed respectively.
10. pulling valve as described in claim 1, which is characterized in that the outer valve external member and inner valve body external member are equipped with positioning
Whether device is installed in place to the determination outer valve external member and inner valve body external member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910562212.1A CN110185821A (en) | 2019-06-26 | 2019-06-26 | One kind pulling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910562212.1A CN110185821A (en) | 2019-06-26 | 2019-06-26 | One kind pulling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185821A true CN110185821A (en) | 2019-08-30 |
Family
ID=67723643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910562212.1A Pending CN110185821A (en) | 2019-06-26 | 2019-06-26 | One kind pulling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185821A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161086A (en) * | 2020-09-05 | 2021-01-01 | 袁利华 | Anti-impact check valve |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617975A (en) * | 1982-07-23 | 1986-10-21 | Charles Rabushka | Tension actuated uncoupler |
| CN2687095Y (en) * | 2004-01-12 | 2005-03-23 | 葛爱乐 | Abruption valve |
| CN201028202Y (en) * | 2006-12-27 | 2008-02-27 | 鸿洋集团有限公司 | Repeated abruption valve |
| CN101245867A (en) * | 2008-03-10 | 2008-08-20 | 成都华气厚普机电科技有限责任公司 | High volume pipe abruption valve |
| CN201599518U (en) * | 2009-11-11 | 2010-10-06 | 丁扬兴业股份有限公司 | Pipe connector |
| CN201818862U (en) * | 2010-06-21 | 2011-05-04 | 中国石油化工股份有限公司 | Double-channel breakaway valve and seal ring thereof |
| CN202580185U (en) * | 2012-05-09 | 2012-12-05 | 陈勇 | Novel pulling-cut valve |
| CN203549044U (en) * | 2013-11-12 | 2014-04-16 | 成都宇思纵科技有限公司 | Large-flow breakaway coupling |
| CN203549042U (en) * | 2013-11-12 | 2014-04-16 | 成都宇思纵科技有限公司 | Safe pull-off valve |
| CN203797212U (en) * | 2014-04-08 | 2014-08-27 | 重庆耐德工业股份有限公司 | Pipeline locking quick-disconnecting mechanism |
| CN105299360A (en) * | 2015-11-10 | 2016-02-03 | 中国石油大学(华东) | Ultrahigh pressure rapid separation device of fracturing operation ship |
| CN105680263A (en) * | 2016-03-17 | 2016-06-15 | 国家电网公司 | Rapid abutting joint of grounding wire |
| CN205752740U (en) * | 2016-05-13 | 2016-11-30 | 江苏正恺电子科技有限公司 | A kind of anti-rotation heat expansion-proof radio frequency microstrip adapter |
| CN206802426U (en) * | 2017-05-16 | 2017-12-26 | 优必得石油设备(苏州)有限公司 | Petroleum vapor recovery formula Pull breaking ualve |
| CN108023224A (en) * | 2017-12-04 | 2018-05-11 | 中国科学技术大学 | A kind of water proof type high pressure single plug assembly |
| CN207848524U (en) * | 2018-02-05 | 2018-09-11 | 林涖 | A kind of Pull breaking ualve |
| CN207934684U (en) * | 2017-07-11 | 2018-10-02 | 北京磊焱氮气弹簧技术研究所 | The straight telescopic electric of bilateral anti-rotation compresses gas spring |
| CN210135280U (en) * | 2019-06-26 | 2020-03-10 | 上海康措流体控制有限公司 | Pull-off valve with elastic tensioning assembly |
-
2019
- 2019-06-26 CN CN201910562212.1A patent/CN110185821A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617975A (en) * | 1982-07-23 | 1986-10-21 | Charles Rabushka | Tension actuated uncoupler |
| CN2687095Y (en) * | 2004-01-12 | 2005-03-23 | 葛爱乐 | Abruption valve |
| CN201028202Y (en) * | 2006-12-27 | 2008-02-27 | 鸿洋集团有限公司 | Repeated abruption valve |
| CN101245867A (en) * | 2008-03-10 | 2008-08-20 | 成都华气厚普机电科技有限责任公司 | High volume pipe abruption valve |
| CN201599518U (en) * | 2009-11-11 | 2010-10-06 | 丁扬兴业股份有限公司 | Pipe connector |
| CN201818862U (en) * | 2010-06-21 | 2011-05-04 | 中国石油化工股份有限公司 | Double-channel breakaway valve and seal ring thereof |
| CN202580185U (en) * | 2012-05-09 | 2012-12-05 | 陈勇 | Novel pulling-cut valve |
| CN203549042U (en) * | 2013-11-12 | 2014-04-16 | 成都宇思纵科技有限公司 | Safe pull-off valve |
| CN203549044U (en) * | 2013-11-12 | 2014-04-16 | 成都宇思纵科技有限公司 | Large-flow breakaway coupling |
| CN203797212U (en) * | 2014-04-08 | 2014-08-27 | 重庆耐德工业股份有限公司 | Pipeline locking quick-disconnecting mechanism |
| CN105299360A (en) * | 2015-11-10 | 2016-02-03 | 中国石油大学(华东) | Ultrahigh pressure rapid separation device of fracturing operation ship |
| CN105680263A (en) * | 2016-03-17 | 2016-06-15 | 国家电网公司 | Rapid abutting joint of grounding wire |
| CN205752740U (en) * | 2016-05-13 | 2016-11-30 | 江苏正恺电子科技有限公司 | A kind of anti-rotation heat expansion-proof radio frequency microstrip adapter |
| CN206802426U (en) * | 2017-05-16 | 2017-12-26 | 优必得石油设备(苏州)有限公司 | Petroleum vapor recovery formula Pull breaking ualve |
| CN207934684U (en) * | 2017-07-11 | 2018-10-02 | 北京磊焱氮气弹簧技术研究所 | The straight telescopic electric of bilateral anti-rotation compresses gas spring |
| CN108023224A (en) * | 2017-12-04 | 2018-05-11 | 中国科学技术大学 | A kind of water proof type high pressure single plug assembly |
| CN207848524U (en) * | 2018-02-05 | 2018-09-11 | 林涖 | A kind of Pull breaking ualve |
| CN210135280U (en) * | 2019-06-26 | 2020-03-10 | 上海康措流体控制有限公司 | Pull-off valve with elastic tensioning assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161086A (en) * | 2020-09-05 | 2021-01-01 | 袁利华 | Anti-impact check valve |
| CN112161086B (en) * | 2020-09-05 | 2022-03-15 | 北阀集团北京阀门有限公司 | Anti-impact check valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| USRE21984E (en) | Fife coupling | |
| US6089251A (en) | Pneumatic valve | |
| EP2032375B1 (en) | Tyre valve and process for removing it | |
| EP1619431A1 (en) | High flow valved fitting | |
| JPH0681989A (en) | Device for connecting adapter for coupling | |
| US2736577A (en) | Sink waste fitting | |
| CN110185821A (en) | One kind pulling valve | |
| US20050205182A1 (en) | Tyre self-sealing device for the wheel of a vehicle | |
| PL182707B1 (en) | Valve operating switch | |
| US10704975B2 (en) | Visual torque indication for threaded joints | |
| US5934304A (en) | Apparatus and method for gas meter bypass | |
| JP5455256B2 (en) | Pipe fittings and wall members for conduits in the region of wall through-holes | |
| EP3121079B1 (en) | Threaded adapter assembly and fuse plug | |
| US20220185103A1 (en) | Refuelling Coupling | |
| EP3655687B1 (en) | Hose connector assembly | |
| RU2688088C2 (en) | Emergency hydraulic connector | |
| US2154255A (en) | Tire valve | |
| CN208198020U (en) | A kind of valve core cap dismantling device | |
| CN2485494Y (en) | Valve for preventing pressure meter from blow out | |
| CN208268449U (en) | A kind of manual flat valve | |
| CZ280717B6 (en) | Tool for taking an inner valve set out of the valve seat | |
| JP2014008935A (en) | Valve stem of radio tire pressure detector | |
| CN113997726A (en) | Process for manufacturing a spoked bicycle wheel and relative wheel | |
| CN210135280U (en) | Pull-off valve with elastic tensioning assembly | |
| CN111577942A (en) | End cover type fire-fighting water separator |
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 |