CN106051254B - A kind of charge valve - Google Patents
A kind of charge valve Download PDFInfo
- Publication number
- CN106051254B CN106051254B CN201610633359.1A CN201610633359A CN106051254B CN 106051254 B CN106051254 B CN 106051254B CN 201610633359 A CN201610633359 A CN 201610633359A CN 106051254 B CN106051254 B CN 106051254B
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- Prior art keywords
- connector
- valve
- valve head
- head bar
- export
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Classifications
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- 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
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/06—Devices, e.g. valves, for venting or aerating enclosures for aerating only
Abstract
The present invention provides a kind of charge valve, including：Valve head bar, has valve chamber, and the arrival end of the valve chamber is used to connect filling equipment；Connector, for connecting filled equipment, the connector is arranged on the port of export of the valve chamber and the port of export of relatively described valve chamber is movably coupled to；Sealing ring positioned at the valve chamber port of export, is arranged between the valve head bar and the connector；Locking mechanism is activated, is arranged between the valve head bar and the connector, for the connector to be driven to be moved relative to the valve head bar, so as to which the connector be made to be moved back and forth between the compacted position of the sealing ring and released position.Have the advantages that easy to operate, operating efficiency is high, while sealing performance is more preferable, it is not easy to occur loosening leakage phenomenon.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of charge valve.
Background technology
Charge valve rushes dress or release for gas liquid, is widely used in every field.Such as the production field in air conditioner
In, it needs to carry out rushing nitrogen using charge valve, vacuumize, cooling medium charging or commodity inspection test.For the ease of staff manually by spiral shell
Line Screw joint and charge valve screw, and charge valve generally selects the charge valve of 90 degree of bent angles, such as use the charge valve of flat construction,
Then it is not easy to the force of hand Screw.The structure sectional view of 90 ° of bend charge valves is used for as shown in Fig. 3 in Figure of description
The screw thread Screw joint and valve core rod port of export correspondence of the filled equipment interface of connection form the groove for accommodating steel ball, screw thread rotation
Tight coupling is buckled in the port of export of valve core rod by steel ball.Bowl-type sealing ring is arranged on the medial surface and spool of screw thread Screw joint
Between the port of export of bar, the other end of 90 ° of bent angles is the arrival end for connecting filling equipment interface on charge valve, arrival end
Valve core rod is used for connecting conduit.
Wherein, the effect of steel ball is on the one hand to be to maintain the port of export holding connection of screw thread Screw joint and valve core rod, and
And the port of export for not influencing screw thread Screw joint and valve core rod relatively rotates, in actual use, first by screw thread Screw joint and
The interface thread of filled equipment screws, and during this, due to the setting of steel ball, the rotation of screw thread Screw joint will not drive valve
Core bar rotates, and wound condition occurs so as to which valve core rod be avoided to rotate conduit that the arrival end of valve core rod is caused to connect etc.；Treat screw thread
After Screw joint and the interface of filled equipment screw, 90 ° of angle sections of charge valve are held, valve core rod 12 and screw thread are revolved
Tight coupling screws, so as to fulfill the sealed connection of three between filled equipment, charge valve and filling equipment.
But also there are following defects in the prior art：1. as described in above-mentioned occupation mode, this charge valve
It needs to rely on and manually screw the interface of screw thread Screw joint and filled equipment, then by rotary valve core bar, make valve core rod
The port of export and screw thread Screw joint screw, and make bowl-type sealing ring by the port of export end of the inner face of screw thread Screw joint and valve core rod
Face pressure is tight, could complete the sealed connection of three between charge valve and filling equipment, and operating process is relatively complicated, workload compared with
Greatly；Simultaneously because rely on artificial screwing operations, therefore, it is difficult to accurately grasp the degree of screwing, when screwing power deficiency, valve core rod and
Screw thread Screw joint cannot compress bowl-type sealing ring, be easy to cause and fill content leaks.
2. in existing 90 ° of bend charge valves, in order to keep being connected, and screw thread between screw thread Screw joint and valve core rod
Screw joint opposite valve core rod can be freely rotated in the filled equipment interface of connection, and screw thread Screw joint and valve core rod are necessary
It is connected by steel ball.And the setting of steel ball prevents screw thread Screw joint from being removed from valve core rod, is replacing bowl-type sealing
Bowl-type sealing ring must be taken out from the openend of screw thread Screw joint, then by new bowl-type sealing ring from spiral shell by tool during circle
The openend of line Screw joint is filled in；And in order to which bowl-type sealing ring is enable easily to be filled in from the openend of spiral Screw joint
Or take out, bowl-type sealing ring has to use material softer, the shorter flexible seal ring of service life；Which results in existing
Charge valve needs frequently to replace bowl-type sealing ring, and replaces difficulty height, and it is low to replace efficiency.
Invention content
Therefore, the technical problem to be solved in the present invention is to overcome that charge valve operating process of the prior art is cumbersome, holds
Leakage, needs are easily loosened frequently to replace sealing ring and replace technological deficiency (these technical problems that difficulty is high, replacement efficiency is low
Have what relationship with 90 degree of bent angles), it is a kind of easy to operate so as to provide, it is not easy to loosen leakage and sealing ring replacement frequency it is low,
The readily replaceable charge valve of sealing ring.
In order to solve the above technical problems, the present invention provides a kind of charge valve, including：
Valve head bar, has valve chamber, and the arrival end of the valve chamber is used to connect filling equipment；
Connector, for connecting filled equipment, the connector is arranged on the port of export of the valve chamber and relatively described valve chamber
The port of export be movably coupled to；
Sealing ring positioned at the valve chamber port of export, is arranged between the valve head bar and the connector；
Locking mechanism is activated, is arranged between the valve head bar and the connector, for driving the connector relatively described
Valve head bar moves, so as to which the connector be made to be moved back and forth between the compacted position of the sealing ring and released position.
In above-mentioned charge valve, the actuating locking mechanism leads the connector movement including being arranged on the valve head rod up-leading
Slideway, the driving part that the slide unit slided along the slideway and the driving slide unit are moved along the slideway；Institute
It states slide unit and connects the connector.
In above-mentioned charge valve, the slideway for the valve head bar close to the valve chamber the port of export along the valve head
The molding hollow cylinder of axial direction of bar；The slide unit is the slide body being socketed on the cylinder.
In above-mentioned charge valve, the cylinder is made of the radial direction diameter shrinkage part on the valve head bar, and the port of export is
Radial dimension is more than the big end of the diameter shrinkage part, forms to accommodate the recessed of the sealing ring on the end face of the big end
Slot.
In above-mentioned charge valve, the driving part is with the actuated piece being pivotally connected on the valve head bar and partially
Heart is connected to the driving member on the actuated piece；The free end of the driving member is connect with the slide body.
In above-mentioned charge valve, the slide body by the connection sliding block that is connect with the driving member and with the connection sliding block
Turning block around valve head rod axis rotation connection is formed, and the turning block is connect with the connector.
In above-mentioned charge valve, the connection sliding block is combined by radially spaced-apart two half-cylinders and in the two half-cylinders
It is suitable for bind round the cuff that together and is fixedly connected afterwards and forms, circumferentially first annular is formed on the semicylinder
Protrusion or first annular groove；Formed on the turning block suitable for it is described it is first annular protrusion or it is described first annular recessed
Slot inlays the second annular groove or the second annular protrusion of cooperation.
In above-mentioned charge valve, each semicylinder position corresponding with the cuff forms the first screw hole, in institute
It states cuff and corresponds to and first through hole is formed on the position of first screw hole, the first attachment screw passes through the first through hole, with
First screw hole is spirally connected fixation.
In above-mentioned charge valve, the inner ring surface of the connector forms three layers of step surface, the big end and the sealing ring
It is resisted against on the end face between First terrace and second step face；And between First terrace and the second step face with
The turning block connection.
In above-mentioned charge valve, the position that the connector corresponds to the turning block forms through-hole, the turning block
The upper position against the through-hole forms screw hole, and a screw passes through the through-hole being molded on the connector and is molded over described
Screw hole on turning block is spirally connected.
Technical solution of the present invention has the following advantages that：
1. in charge valve provided by the invention, due to connector in releasing process in the state for loosening connection, connector and
Spacing between the valve head bar port of export is larger, and so as to provide advantage to replace sealing ring, staff can be by work
Tool easily completes the replacement of sealing ring.In existing 90 ° of bend charge valves, because between being limited between connector and the port of export
Gap is generally fixed constant, therefore sealing ring is difficult to replace, so the sealing that more soft service life can only be used shorter
Circle.And become larger in the present embodiment by making the spacing between connector and valve head bar, facilitate the replacement of sealing ring, therefore sealing ring
It is harder that quality may be used, thickness is thicker, the longer sealing ring of service life, such as the material of sealing ring can be polytetrafluoroethyl-ne
Alkene.
2. in charge valve provided by the invention, by above-mentioned releasing process and locking process as it can be seen that the charge valve of the present embodiment
Locking process is formed for two steps, and the first step is that connector is connected with the interface of filled equipment, and second step is torsion actuation part
To latched position, hence it is evident that reduce charge valve using step, improve the practical efficiency of charge valve, and reduce using difficulty；
On the other hand, staff only needs to reverse actuated piece into latched position the locking that charge valve can be completed, and should be not required in the process
The operating experience of staff to be depended on to can reach lock-out state, therefore be not present in existing charge valve due to manually locking
The degree of connector is different, and caused by loosen leak case and occur.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the sectional view that charge valve is in the lock state in the embodiment of the present invention 1；
Fig. 2 is the sectional view of connector；
Fig. 3 is the sectional view of 90 ° of bend charge valves of the prior art.
Reference sign：
1- valve chambers；2- connectors；3- sealing rings；4- cylinders；42- big ends；7- actuated pieces；8- driving members；51- connection sliding blocks；
52- turning blocks；6- cuffs；42- big ends；21- First terraces；22- second steps face.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other into conflict.
Embodiment 1
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing.
The charge valve of the present embodiment, including：Valve head bar, connector 2, sealing ring 3 and actuating locking mechanism, wherein valve head bar
Inside form for fill substance by valve chamber 1, the arrival end of valve chamber 1 is provided on the port of export and connects for connecting filling equipment
First 2, it is connected again with filled equipment by connector 2, center tap 2 can movably connect relative to the port of export of valve chamber 1
It connects.Sealing ring 3 is located at 1 port of export of valve chamber, and is arranged between valve head bar and connector 2.Actuating locking mechanism is arranged on the valve
Between head rod and the connector 2, for the connector 2 to be driven to be moved relative to the valve head bar, so as to make the connector 2 to institute
It states and is moved back and forth between the compacted position of sealing ring 3 and released position.
The structure for activating locking mechanism is described in detail below in conjunction with Fig. 1 and Fig. 2：
Referring initially to Fig. 1, actuating locking mechanism includes being arranged on the cunning that the valve head rod up-leading leads the movement of connector 2
The driving part that road, the slide unit slided along the slideway and the driving slide unit are moved along the slideway；The cunning
Dynamic component connects the connector 2.
Specifically, slideway by valve head bar close to the molding hollow cylinder 4 of axial direction of the port of export along the valve head bar of valve chamber 1
It forming, cylinder 4 is the radial direction diameter shrinkage part on valve head bar, and the port of export is more than the big end 42 of the diameter shrinkage part for radial dimension,
The groove for accommodating the sealing ring 3 is formed on the end face of the big end 42.The inner ring surface of the connector 2 forms three layers
Step surface, the big end 42 and the sealing ring 3 are resisted against on the end face between First terrace 21 and second step face 22；And
It is connect between First terrace and the second step face 22 with the turning block 52.Driving part, which has, to be pivotally connected to
Actuated piece 7 on the valve head bar and the driving member 8 being prejudicially connected on the actuated piece 7；The driving member 8 from
It is connect by holding with the slide body.Slide body is made of connection sliding block 51 and turning block 52, connection sliding block 51 and driving member phase
Connection connection, can be translated in driving member under promotion on cylinder 4；Turning block 52 can be carried out around valve head rod axis
Rotation, is connected with connector 2.Further, connection sliding block 51 is by radially spaced-apart two half-cylinders and in the two halves cylinder
It forms suitable for being bound round the cuff 6 and being fixedly connected together after body combination, is formed circumferentially on the semicylinder
First annular protrusion or first annular groove；Formed on the turning block 52 suitable for it is described it is first annular protrusion or it is described
First annular groove inlays the second annular groove or the second annular protrusion of cooperation.Each semicylinder and the cuff 6 are right
The position answered forms the first screw hole, is corresponded in the cuff 6 and first through hole is formed on the position of first screw hole, and first
Attachment screw passes through the first through hole, is spirally connected fixation with first screw hole.
In above-mentioned actuating locking mechanism, it is specially in the present embodiment：Actuated piece 7 is the handheld component of a bending,
It is arranged on by what an eccentric shaft pivoted on valve head bar in molding groove, and driving member 8 is set in described for one end
On eccentrically weighted shaft, the other end is slidably arranged on valve head bar along the driver plate 8 in the molding groove in 1 direction of valve chamber, is utilized
Crank block principle, when 7 pivoting of actuated piece, eccentric shaft will push driving member 8 to be moved back and forth horizontally along groove
It is dynamic.
In the above embodiment, cylinder 4 can have certain taper, such as 5 ° -10 °, since the aperture of connection sliding block 51 is
Certain, the moving range that there is the cylinder 4 of taper will limit connection sliding block 51 enables actuating locking mechanism accurately locking
Locking is put in positioning.
In the above embodiment, the connecting hole between cuff 6 and connection sliding block 51 can have constant slope, e.g. court
5 ° -10 ° deviated to right side shown in Fig. 1, since cuff 6 is located at the outside of connection sliding block 51, the connecting hole with gradient can
Connection sliding block 51 is pushed convenient for cuff 6.
The charge valve locking process of the present embodiment is：Under original state, the arrival end and filling equipment of valve head bar, which are in, to be connected
Connect state, connector 2 is connected by when use with filled equipment first, can be connected by the internal thread set on connector 2
Onto the interface of filled equipment, actuated piece 7 is then operated, actuated piece 7 drives driving member 8 to act, and driving member 8 drives cuff again
6 and the connection sliding block 51 that is connected with cuff 6 act, when connection sliding block 51 drives turning block 52 to move, turning block
52 will pull connector 2 to be moved towards valve head bar direction by the screw set thereon.It is filled since connector 2 has been fixedly connected on
Install on standby interface, thus valve head bar will towards the direction of connector 2 move, so as to compress sealing ring, final locking
State is as shown in Figure 1.
The charge valve releasing process of the present embodiment is：With reference to lock-out state schematic diagram shown in FIG. 1, actuated piece is overturn first
7, actuated piece 7 pushes connection sliding block 51 to be moved to left side shown in FIG. 1 by driving member 8 and cuff 6, and during this, rotation is slided
In the state that connection is loosened along 1 extending direction of valve chamber, connector 2 no longer holds out against valve head bar for connection hole between block 52 and connector 2
The port of export, so as to complete the unlock of charge valve.
During above-mentioned use, since slide body is made of turning block 52 and 51 split of connection sliding block, connecing in this way
First 2 when being connected on filled equipment interface, and the independent rotation of turning block 52 ensure that other component in actuating locking mechanism
It can not be acted on by power.
Due to state of the connector 2 in loosening connection in releasing process, the spacing between connector 2 and the valve head bar port of export
Larger, so as to provide advantage to replace sealing ring 3, staff can easily complete sealing ring 3 by tool
It replaces.In existing 90 ° of bend charge valves because the gap being limited between connector 2 and the port of export be generally fixed it is constant,
Therefore sealing ring 3 is difficult to replace, so the sealing ring that more soft service life can only be used shorter.And pass through in the present embodiment
The spacing between connector 2 and valve head bar is made to become larger, facilitates the replacement of sealing ring 3, thus sealing ring 3 may be used quality compared with
Firmly, thickness is thicker, the longer sealing ring 3 of service life, such as the material of sealing ring 3 can be polytetrafluoroethylene (PTFE).
By above-mentioned releasing process and locking process as it can be seen that the charge valve locking process of the present embodiment is formed for two steps, first
Step is that connector 2 is connected with the interface of filled equipment, and second step is torsion actuation part 7 to latched position, hence it is evident that is reduced
Charge valve uses step, improves the practical efficiency of charge valve, and reduce using difficulty；On the other hand, staff only needs
Actuated piece 7 is reversed to latched position to the locking that charge valve can be completed, the behaviour of staff should be not need to rely in the process
Make experience and can reach lock-out state, therefore be not present in existing charge valve since the degree of artificial lock-on connection 2 is different, and make
Into loosening leak case occur.
In addition it should be noted that：Cylinder 4 can be integrally formed with valve head bar or be connected through a screw thread or weld
Etc. modes mutually fixed with valve head bar, such as in the present embodiment, preferably cylinder 4 be between valve head bar by welding manner into
Type, consequently facilitating the installation of connection sliding block 51 and turning block 52, particularly：During using this embodiment, as a bodily form
The turning block 52 of formula setting should be assembled on cylinder 4 before cylinder 4 is welded.
Embodiment 2
The present embodiment is unlike variant embodiment and embodiment 1 on the basis of embodiment 1：
1 middle column body 4 of embodiment is attached in a position-stable manner with valve head bar, is realized by the movement of turning block 52
The port of export and connector 2 of valve head bar relatively move, and then realize locking and unlock.
In the present embodiment, cylinder 4 can also be scalable form setting (not shown), activate the action of locking mechanism
The big end 42 that cylinder 4 is pushed by connection sliding block is moved in the process, so as to compress on sealing ring 3 to interface 2.
Further, the structure for activating locking mechanism is not limited only to the one kind provided in embodiment 1, can also be energy
The structure of screw thread feeding is reached slide body to be pushed to be moved, screw thread feeding structure has the function of self-locking, prevents from locking
It is loosened in journey.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among changing still in the protection domain of the invention.
Claims (8)
1. a kind of charge valve, which is characterized in that including：
Valve head bar, has valve chamber (1), and the arrival end of the valve chamber (1) is used to connect filling equipment；
Connector (2), for connecting filled equipment, the connector (2) is arranged on the port of export of the valve chamber (1) and relatively described
The port of export of valve chamber (1) is movably coupled to；
Sealing ring (3) positioned at the valve chamber (1) port of export, is arranged between the valve head bar and the connector (2)；
Locking mechanism is activated, is arranged between the valve head bar and the connector (2), for driving the connector (2) with respect to institute
The movement of valve head bar is stated, so as to which the connector (2) be made back and forth to be moved between the compacted position of the sealing ring (3) and released position
It is dynamic；
The actuating locking mechanism includes being arranged on the slideway that the valve head rod up-leading leads the connector (2) movement, along the cunning
The slide body that road slides, the slide body connect the connector (2)；And the driving that the driving slide body is moved along the slideway
Component；
The driving part has the actuated piece (7) being pivotally connected on the valve head bar, and the actuated piece (7) passes through one
What eccentric shaft pivoted being arranged on the valve head bar in molding groove and being prejudicially connected on the actuated piece (7)
Driving member (8)；The free end of the driving member (8) is connect with slide body.
2. charge valve according to claim 1, it is characterised in that：
The slideway is the valve head bar in the axial direction of the port of export along the valve head bar of the valve chamber (1) is molding
Empty cylinder (4)；The slide body is socketed on the cylinder (4).
3. charge valve according to claim 2, it is characterised in that：
The cylinder (4) is made of the radial direction diameter shrinkage part on the valve head bar, and the port of export is more than described for radial dimension
The big end (42) of diameter shrinkage part forms the groove for accommodating the sealing ring (3) on the end face of the big end (42).
4. charge valve according to claim 3, it is characterised in that：
The slide body is by the connection sliding block (51) that is connect with the driving member and with the connection sliding block (51) around the valve head
The turning block (52) of rod axis rotation connection is formed, and the turning block (52) connect with the connector (2).
5. charge valve according to claim 4, it is characterised in that：
The connection sliding block (51) is suitable for being bound round by radially spaced-apart two half-cylinders and after the two half-cylinders combine
Together and be fixedly connected cuff (6) composition, formed on the semicylinder circumferentially it is first annular protrusion or first
Annular groove；It forms to inlay with the first annular protrusion or the first annular groove on the turning block (52)
The second annular groove of cooperation or the second annular protrusion.
6. charge valve according to claim 5, it is characterised in that：
Each semicylinder position corresponding with the cuff (6) forms the first screw hole, described in the cuff (6) correspondence
First through hole is formed on the position of first screw hole, the first attachment screw passes through the first through hole, with the first screw hole spiral shell
Connect fixation.
7. charge valve according to claim 4, it is characterised in that：
The inner ring surface of the connector (2) forms three layers of step surface, and the big end (42) and the sealing ring (3) are resisted against first
On end face between step surface (21) and second step face (22)；And between First terrace and the second step face (22)
It is connect with the turning block (52).
8. charge valve according to claim 7, it is characterised in that：
The position of the corresponding turning block (52) of the connector (2) forms through-hole, against institute on the turning block (52)
The position for stating through-hole forms screw hole, and a screw passes through the through-hole being molded on the connector (2) and is molded over the rotation
Screw hole on sliding block (52) is spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610633359.1A CN106051254B (en) | 2016-08-03 | 2016-08-03 | A kind of charge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610633359.1A CN106051254B (en) | 2016-08-03 | 2016-08-03 | A kind of charge valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106051254A CN106051254A (en) | 2016-10-26 |
| CN106051254B true CN106051254B (en) | 2018-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610633359.1A Active CN106051254B (en) | 2016-08-03 | 2016-08-03 | A kind of charge valve |
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| CN (1) | CN106051254B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375455B (en) * | 2018-01-05 | 2020-04-10 | 爱发科东方真空(成都)有限公司 | Automatic-falling sealing joint, vacuum leak detection device and detection method |
| CN110595818A (en) * | 2019-09-27 | 2019-12-20 | 格力电器（重庆）有限公司 | Air conditioner outdoor unit butt joint device |
| CN111554538B (en) * | 2020-05-09 | 2022-02-22 | 贵州电网有限责任公司 | General type SF6 aerifys test joint |
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| CN101275698A (en) * | 2008-04-29 | 2008-10-01 | 谢红 | Pipe connector |
| EP2206943A1 (en) * | 2009-01-08 | 2010-07-14 | NORMA Germany GmbH | Coupling device |
| CN103025547A (en) * | 2010-02-24 | 2013-04-03 | Ptg轮胎气压控制系统有限公司 | Tire valve |
| CN203797207U (en) * | 2014-04-23 | 2014-08-27 | 宁波以赛亚气动成套有限公司 | Rapid plug-type pneumatic pipe joint |
| CN206257327U (en) * | 2016-08-03 | 2017-06-16 | 珠海格力电器股份有限公司 | A kind of charge valve |
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2016
- 2016-08-03 CN CN201610633359.1A patent/CN106051254B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927192A (en) * | 1989-06-29 | 1990-05-22 | Fmc Corporation | Pipe connector load element |
| CN101275698A (en) * | 2008-04-29 | 2008-10-01 | 谢红 | Pipe connector |
| EP2206943A1 (en) * | 2009-01-08 | 2010-07-14 | NORMA Germany GmbH | Coupling device |
| CN103025547A (en) * | 2010-02-24 | 2013-04-03 | Ptg轮胎气压控制系统有限公司 | Tire valve |
| CN203797207U (en) * | 2014-04-23 | 2014-08-27 | 宁波以赛亚气动成套有限公司 | Rapid plug-type pneumatic pipe joint |
| CN206257327U (en) * | 2016-08-03 | 2017-06-16 | 珠海格力电器股份有限公司 | A kind of charge valve |
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| Publication number | Publication date |
|---|---|
| CN106051254A (en) | 2016-10-26 |
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