CN109990162A - Self-styled nut and air-conditioning - Google Patents
Self-styled nut and air-conditioning Download PDFInfo
- Publication number
- CN109990162A CN109990162A CN201910241373.0A CN201910241373A CN109990162A CN 109990162 A CN109990162 A CN 109990162A CN 201910241373 A CN201910241373 A CN 201910241373A CN 109990162 A CN109990162 A CN 109990162A
- Authority
- CN
- China
- Prior art keywords
- spool
- self
- shell
- ring structure
- end cap
- 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
- 238000004378 air conditioning Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 abstract description 50
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 2
- 208000035397 Ring chromosome 7 syndrome Diseases 0.000 description 18
- 239000012530 fluid Substances 0.000 description 6
- 239000001307 helium Substances 0.000 description 6
- 229910052734 helium Inorganic materials 0.000 description 6
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 6
- 238000003032 molecular docking Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 208000032827 Ring chromosome 9 syndrome Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material 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
- 210000002445 nipple Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000036316 preload Effects 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/11—Plugs
- F16L55/1108—Plugs fixed by screwing or by means of a screw-threaded ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a kind of self-styled nut and air-conditionings, wherein self-styled nut includes shell and the spool that can be axially moveable in shell, case inside wall is equipped with ring structure, ring structure internal perisporium forms the channel that spool passes through, gap is equipped between channel and spool, spool is equipped with end cap, gap is equipped between end cap side wall and shell, end cap lower end surface can axially move closer to far from ring structure upper surface, end cap lower end surface or ring structure upper surface are equipped with gasket and are tightly connected with being formed, and are additionally provided with the pre-tightening apparatus that spool is pressed in ring structure in shell.Existing first sealing ring, bushing and the second sealing ring are replaced by the gasket between upper and lower end face in this way to realize that spool and ring structure are tightly connected, which gasket do not shift, is not influenced by urgent power, do not change spool and opens stroke, components are reduced to use, production cost is reduced, solves the problems, such as that self-styled nut is fail to open and is unable to normal use with connecting after pipe fitting docks in the prior art.
Description
Technical field
The present invention relates to air-conditioning technical fields, more specifically to a kind of self-styled nut and air-conditioning.
Background technique
In production, air-conditioning is vacuumized, fills the operation such as helium or filling refrigerant, this is just needed in air-conditioning
Connecting tube joint docks self-styled nut in case subsequent use.Self-styled nut and connection pipe seal connection, and itself has
The effect of self-sealing, plays an important role.
As shown in Figure 1, existing self-styled nut includes shell 1, and the spool 2, the first sealing ring that are arranged in shell 1
7, bushing 8 and the second sealing ring 9.Wherein, the second sealing ring 9, bushing 8, the first sealing ring 7 are set gradually from top to bottom along Fig. 1,
First sealing ring 7 and the second sealing ring 9 are softer rubber material；Spool 2 can move up and down in shell 1, and side wall is cone
It shape face and is in contact, and is pressed on the first sealing ring 7 with the first sealing ring 7.When self-styled nut is beaten with pipe fitting 6 is connect
Next, the end of connection pipe fitting 6 slides into the second sealing ring 9, is tightly connected so that the two is formed；Simultaneously spool 2 side wall with
First sealing ring 7 is tightly connected, so that self-styled nut completes self-sealing.When needing to vacuumize, fill helium etc., spool 2 is jacked up
It separates its side wall with the first sealing ring 7 and opens channel.
Under urgent moment loading, connection pipe fitting 6 compresses downwards the second sealing ring 9, to further be pressed downward Pian tight liner
Set 8 and the first sealing ring 7, the first sealing ring 7 are deformed after being squeezed and can be migrated to void area.In this state,
One sealing ring 7 is deformed to central part, and the side wall of spool 2 is tapered surface, is easy to be pushed by the first sealing ring 7 constantly to fill up
Void area.When spool 2 is opened upwards by the mandril of quick coupling, extruded first sealing ring 7 rapidly compensates gap
Filling, the opening stroke of spool 2 is significantly increased, the mandril of quick coupling is not enough to completely open spool 2, causes to take out
Vacuum and fill helium operation etc..Therefore, how to solve in the prior art self-styled nut with connect pipe fitting docking after fail to open and
The problem of being unable to normal use becomes those skilled in the art's important technological problems to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of self-styled nut and air-conditioning, with solve in the prior art self-styled nut with connect
The problem of failing to open after pipe fitting docking and be unable to normal use.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of self-styled nut provided by the invention including shell and is arranged in the shell and along the axis of the shell
To mobile spool, the inner sidewall of the shell is equipped with the ring structure of heart direction protrusion thereto, the ring structure it is interior
Peripheral wall forms the channel passed through for the spool, and gap is equipped between the channel and the spool, and the spool is equipped with end
Cap, and gap is equipped between the side wall of the end cap and the shell, the lower end surface of the end cap can be along the axis of the shell
To close and separate with the upper surface of the ring structure, the upper surface of the lower end surface of the end cap or the ring structure is equipped with
Gasket, so that the upper surface that the lower end surface of the end cap can pass through the gasket and the ring structure forms sealing and connects
It connects, the pre-tightening apparatus for being pressed on the spool in the ring structure is additionally provided in the shell.
Preferably, the lower end surface of the end cap is arranged in the gasket, and the lower end surface of the end cap is equipped with groove, described
Gasket is located in the groove.
Preferably, the upper surface alternative one of the lower end surface of the gasket and the ring structure is equipped with lug boss, another
One is equipped with the recessed portion matched with the lug boss.
Preferably, the lug boss is tapered protrusion.
Preferably, the internal perisporium of the ring structure is equipped with multiple guiding knots for playing the guiding role to the spool
Structure, circumferentially-spaced distribution of each guide frame along the ring structure.
Preferably, each guide frame is the guide post being axially arranged along the shell, and each guiding
Column is uniformly distributed along the circumferential direction of the ring structure.
Preferably, the leading truck for being set in that the spool is outer and is fixedly connected with the spool is additionally provided in the shell,
Gap is equipped between the leading truck and the shell.
Preferably, the pre-tightening apparatus is the spring of fixed setting, and the spring is set in outside the spool.
Preferably, the step-like structure for being additionally provided in the shell and connecting pipe fitting and matching, so that the connecting tube
Connector is against to be formed at step and be tightly connected.
The present invention also provides a kind of air-conditioning, including self-styled nut, the self-styled nut be as above it is described in any item from
Seal nut.
In technical solution provided by the invention, a kind of self-styled nut includes shell and is arranged in shell and along shell axis
To mobile spool, the inner sidewall of shell is equipped with the ring structure of heart direction protrusion thereto, and the internal perisporium of ring structure is formed
For the channel that spool passes through, and gap is equipped between channel and spool, spool is equipped with end cap, and between the side wall and shell of end cap
Equipped with gap, the lower end surface of end cap can be close and separate along the axial direction of shell and the upper surface of ring structure, the lower end of end cap
Face or the upper surface of ring structure are equipped with gasket, so that the lower end surface of end cap can pass through the upper end of gasket and ring structure
Face, which is formed, to be tightly connected, and the pre-tightening apparatus for being pressed on spool in ring structure is additionally provided in shell.It is designed in this way, by upper
Gasket between lower end surface replaces the first sealing ring, bushing and the second sealing ring in existing structure to realize spool and ring junction
Structure is tightly connected, and which gasket do not shift, is not influenced by urgent power, not will increase spool and is opened stroke, installation is quick
Spool can be easily opened after connector, reduces the use of components, and structure composition is simple, reduces production cost, solves existing
Have in technology self-styled nut with connect the problem of failing to open after pipe fitting docking and be unable to normal use.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of self-styled nut in the prior art；
Fig. 2 is the structural schematic diagram of self-styled nut in the embodiment of the present invention；
Fig. 3 is A-A cross-sectional view in Fig. 2；
Fig. 4 is the partial schematic diagram of self-styled nut in the embodiment of the present invention.
In Fig. 1-Fig. 4:
Shell -1, spool -2, gasket -3, pre-tightening apparatus -4, leading truck -5, connection pipe fitting -6, the first sealing ring -7,
Bushing -8, the second sealing ring -9, guide frame -10, ring structure -11, end cap -12, lug boss -13, recessed portion -14, step
Shape structure -15, valve rod -16.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Present embodiment provides a kind of self-styled nut and air-conditioning, solve in the prior art self-styled nut with connect
The problem of failing to open after pipe fitting docking and be unable to normal use.
Hereinafter, elaborating in conjunction with attached drawing to embodiment.In addition, embodiments illustrated below is not remembered claim
The content of the invention of load plays any restriction effect.In addition, the full content of composition represented by following example is not limited to conduct
Necessary to the solution of the invention described in the claims.
Please referring to attached drawing 1-4, self-styled nut provided in this embodiment includes shell 1 and the spool 2 that is arranged in shell 1,
Spool 2 can realize the opening and closing of self-styled nut along the axial movement of shell 1.The inner sidewall of shell 1 is equipped with thereto
The ring structure 11 of heart direction protrusion, optionally, as shown in Fig. 2, ring structure 11 is cylindric, the internal perisporium of ring structure 11
The channel passed through for spool 2 is formed, and is equipped with the gap passed through for helium or refrigerant etc. between channel and spool 2.Spool 2 is set
There is end cap 12, optionally, as shown in Fig. 2, spool 2 and its end cap 12 are cylinder, end cap 12 is matched with ring structure 11,
Spool 2 is stopped to prevent it from dropping out.Also, it is equipped between the side wall and shell 1 of end cap 12 between passing through for helium or refrigerant etc.
Gap, and the lower end surface of end cap 12 can be close and separate along the axial direction of shell 1 and the upper surface of ring structure 11, under end cap 12
End face or the upper surface of ring structure 11 are equipped with gasket 3, so that the lower end surface of end cap 12 can pass through gasket 3 and ring junction
The upper surface of structure 11, which is formed, to be tightly connected.In addition, being additionally provided in shell 1 pre- in ring structure 11 for spool 2 to be pressed on
Tight device 4, so when not in use, self-styled nut remains off, and is not in communication with the outside.It should be noted that Wen Zhongti
To "upper" "lower" refer to the placement state of self-styled nut as shown in Figure 2 when meaning, i.e. in Fig. 2 along shell 1 it is axial it is upper,
Lower orientation be it is above-mentioned be previously mentioned it is upper and lower.
And existing self-styled nut, as shown in Figure 1, the side wall of its spool 2 is tapered surface, directly connects with the first sealing ring 7
Touching, the first sealing ring 7 are deposited between shell 1 and the tapered sidewalls of spool 2.When self-styled nut is tightened on connection pipe fitting 6
When, the second sealing ring 9, bushing 8 and the first sealing ring 7 can be successively compressed downwards, and the first sealing ring 7, which is squeezed and deformed to center, to be expanded
, the tapered sidewalls of spool 2 meet stress rule, and tapered sidewalls are conducive to the first sealing ring 7 and deform migration to middle part.If beating
Clamp force, which is turned down, to be difficult to guarantee sealing effect, and a large amount of leakage problems can occur in production；If urgent power tunes up, it is easy to out
Existing above-mentioned failure, when spool 2 being caused to be opened upwards by the mandril of quick coupling, extruded first sealing ring 7 is rapidly to gap
Compensation filling, still keeps sealing, the opening stroke of spool 2 is significantly increased, the top of quick coupling with the tapered sidewalls of spool 2
Bar is not enough to completely open spool 2, the situation that do not open occurs.
Therefore, using self-styled nut of the invention, gasket 3 be arranged in end cap 12 lower end surface or ring structure 11 it is upper
End face, and gasket 3 is not indirectly connected with pipe fitting 6 is connect by other component, which stable connection, not by urgent power
It influences, spool 2 is pressed in ring structure 11 by pre-tightening apparatus, makes the lower end surface of end cap 12 and the upper end of ring structure 11
Sealing is completed by gasket 3 in face, and gasket 3 does not shift, and will not change spool and open stroke.So set, installation is quick
Spool can be easily opened after connector, reduces the use of association components, and structure composition is simple, production cost is reduced, after improvement
The matching relationship of components avoids the influence of gasket migration problem bring, keeps spool normally-open and closes, and solves
In the prior art self-styled nut with connect the problem of failing to open after pipe fitting docking and be unable to normal use.
In the present embodiment, as shown in Fig. 2, the lower end surface of end cap 12 is arranged in gasket 3, the lower end surface of end cap 12 is equipped with
Annular groove, gasket 3 are located in groove.So set, improving the reliable of components in gasket insertion spool end cap
Property.
In an embodiment of the present invention, the upper surface alternative one of the lower end surface of gasket 3 and ring structure 11 is equipped with convex
Play portion 13, another one is equipped with the recessed portion 14 matched with lug boss 13.Optionally, as shown in Fig. 2, the upper end of ring structure 11
Face is equipped with annular relief 13, and the lower end surface of gasket 3 is equipped with annular recess 14, and annular relief 13 protrudes into annular recess
14, so that the two is completed to be tightly connected.Preferably, lug boss 13 is tapered protrusion, and tip is upward.In this way, both realizing
The self sealing action of spool, is also convenient for opening, prevents gasket to be adsorbed in ring structure and be not readily separated when opening spool.
In the present embodiment, as shown in figure 3, the internal perisporium of ring structure 11 is made equipped with multiple for playing guiding to spool 2
Guide frame 10, circumferentially-spaced distribution of each guide frame 10 along ring structure 11.Preferably, each guide frame 10
For along the guide post of shell 1 being axially arranged, and each guide post is uniformly distributed along the circumferential direction of ring structure 11 so that fluid from
Gap uniformly through.Optionally, three guiding prisms are equipped with, it can be with 1 integrated injection molding of shell.So set, both meeting
The flow that fluid passes through, is also oriented to, can effective position, be in spool always on shell axis and open and close, keep away
Exempt from the problem of spool deviation etc. causes poor sealing, spool and ring structure to interfere occur.
In the present embodiment, it is additionally provided with the leading truck 5 for being set in that spool 2 is outer and is fixedly connected with spool 2 in shell 1, leads
To being equipped with the gap that passes through for fluid between frame 5 and shell 1.Optionally, spool 2 includes end cap 12 and valve rod 16, end cap 12
Cross section is greater than the cross section of valve rod 16, and 5 sets of leading truck are interference fit outside valve rod 16, with valve rod 16.It should be noted that
" cross section " mentioned in text refers to the meaning when placement state of self-styled nut as shown in Figure 2, and vertical shell axis is cut
Face, that is, vertical paper plane is the above-mentioned cross section being previously mentioned.So set, leading truck can be oriented to valve rod, it is prevented
The run-off the straight in shell influences the progress for filling the operations such as helium.
In the preferred embodiment of the present embodiment, pre-tightening apparatus 4 is the spring of fixed setting, and spring is set in outside spool 2.It can
Selection of land, as shown in Fig. 2, being cased with leading truck 5 outside spool 2, for spring pocket outside leading truck 5, one end of spring acts on ring structure
On 11, the other end act on leading truck 5, make spool 2 downwards compress, gasket 3 play sealing function.Certainly in other realities
It applies in example, pre-tightening apparatus may be other structures, to play the role of preload.
In addition, as shown in Figure 1, second sealing ring 9 slides and covers after connection pipe fitting 6 and existing self-styled nut are urgent
On the conical surface of connector, complete to be tightly connected.But urgent power is bigger, the second sealing ring 9 gets over upward displacement, connects to be detached from
Nose cone face, makes seal failure.Therefore, to solve the above-mentioned problems, the step for being equipped in shell 1 and connecting pipe fitting 6 and matching
Shape structure 15 is tightly connected so that connection pipe fitting 6 is against to be formed at step.So set, cancelling existing sealing ring sealing, even
The directly urgent rear formation valve linear sealing of the sealed step of the union nipple conical surface and self-styled nut, avoids sealing ring displacement and loses
Effect improves reliability.
The present embodiment additionally provides a kind of air-conditioning, including self-styled nut, which is self-styled nut as described above.
So set, providing a kind of reliable structure that can guarantee normally-open spool, self-locking sealing, reduced using components,
Production cost is low, and reliability is high, solve in the prior art self-styled nut with connect after pipe fitting docks fail to open and
The problem of being unable to normal use.
It should be noted that the device or component of the different function in above-mentioned each embodiment can be combined, for example,
In the preferred embodiment of the present embodiment self-styled nut be injection molding plastic nut, including shell 1 and be arranged in shell 1 and
The spool 2 moved axially along shell 1, the inner sidewall of shell 1 are equipped with the ring structure 11 of heart direction protrusion thereto, ring structure
11 internal perisporium forms the channel passed through for spool 2, and the gap passed through for fluid is equipped between channel and spool 2.Spool 2 wraps
End cap 12 and valve rod 16 are included, the gap passed through for fluid, the lower end surface energy of end cap 12 are equipped between the side wall and shell 1 of end cap 12
Enough axial close and separate with the upper surface of ring structure 11 along shell 1, the lower end surface of end cap 12 is equipped with gasket 3, so that end
The lower end surface of cap 12 can be formed by the upper surface of gasket 3 and ring structure 11 and is tightly connected.Preferably, under end cap 12
End face is equipped with annular groove, and gasket 3 is located in groove, the lower end surface of gasket 3 equipped with recessed portion 14, ring structure 11 it is upper
End face is equipped with lug boss 13, and lug boss 13 is tapered protrusion, and lug boss 13 protrudes into recessed portion 14.In addition, being additionally provided in shell 1
Pre-tightening apparatus 4 for being pressed on spool 2 in ring structure 11, and be set in outside spool 2 and be fixedly connected with spool 2
Leading truck 5, the gap that passes through for fluid is equipped between leading truck 5 and shell 1.Preferably, pre-tightening apparatus 4 is fixed setting
Spring, spring pocket compress spool 2 downwards outside leading truck 5, and gasket 3 plays sealing function.
In this embodiment, the internal perisporium of ring structure 11 is equipped with multiple guiding knots for playing the guiding role to spool 2
Structure 10, circumferentially-spaced distribution of each guide frame 10 along ring structure 11.Preferably, guide frame 10 is three, each to lead
To the guiding prism being axially arranged that structure 10 is along shell 1, and each guiding prism uniformly divides along the circumferential of ring structure 11
Cloth.In addition, be additionally provided in shell 1 with the step-like structure 15 that connect pipe fitting 6 and match so that connection pipe fitting 6 is against platform
The problem of forming valve linear sealing at rank, avoiding the occurrence of existing sealing ring displacement failure.
So set, the self-styled nut cancels the use of sealing ring, bushing components, production cost, spool is greatly reduced
Open and close do not limited by urgent torque size, gasket does not shift, and improves reliability, and structure composition is simple, just
The matching relationship of components avoids the influence of gasket migration problem bring after injection molding, improvement, enables spool just
It is normally open and close, it solves self-styled nut in the prior art and fail to open and be unable to normal use with connecting after pipe fitting docks
The problem of.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of self-styled nut, the axial movement including shell (1) and setting in the shell (1) and along the shell (1)
Spool (2), which is characterized in that the inner sidewall of the shell (1) is equipped with the ring structure (11) of heart direction protrusion thereto, institute
The internal perisporium for stating ring structure (11) forms the channel passed through for the spool (2), and between the channel and the spool (2)
Equipped with gap, the spool (2) is equipped with end cap (12), and between being equipped between the side wall of the end cap (12) and the shell (1)
The lower end surface of gap, the end cap (12) can be close along the upper surface of the axial direction and the ring structure (11) of the shell (1)
With it is separate, the upper surface of the lower end surface of the end cap (12) or the ring structure (11) is equipped with gasket (3), so that the end
The lower end surface of cap (12) can be formed by the upper surface of the gasket (3) and the ring structure (11) and is tightly connected, institute
State the pre-tightening apparatus (4) being additionally provided in shell (1) for being pressed on the spool (2) on the ring structure (11).
2. self-styled nut as described in claim 1, which is characterized in that the gasket (3) is arranged in the end cap (12)
The lower end surface of lower end surface, the end cap (12) is equipped with groove, and the gasket (3) is located in the groove.
3. self-styled nut as claimed in claim 2, which is characterized in that the lower end surface of the gasket (3) and the ring junction
The upper surface alternative one of structure (11) is equipped with lug boss (13), another one is equipped with the recessed portion matched with the lug boss (13)
(14)。
4. self-styled nut as claimed in claim 3, which is characterized in that the lug boss (13) is tapered protrusion.
5. self-styled nut as described in claim 1, which is characterized in that the internal perisporium of the ring structure (11) is equipped with multiple use
In the guide frame (10) playing the guiding role to the spool (2), each guide frame (10) is along the ring structure
(11) circumferentially-spaced distribution.
6. self-styled nut as claimed in claim 5, which is characterized in that each guide frame (10) is along the shell
(1) the guide post being axially arranged, and each guide post is uniformly distributed along the circumferential direction of the ring structure (11).
7. self-styled nut as described in claim 1, which is characterized in that be additionally provided in the shell (1) and be set in the spool
(2) leading truck (5) being fixedly connected outside and with the spool (2), between being equipped between the leading truck (5) and the shell (1)
Gap.
8. self-styled nut as described in claim 1, which is characterized in that the pre-tightening apparatus (4) is the spring of fixed setting, institute
It states spring and is set in the spool (2) outside.
9. self-styled nut as described in claim 1, which is characterized in that be additionally provided in the shell (1) and connect pipe fitting (6)
The step-like structure (15) matched is tightly connected so that the connection pipe fitting (6) is against to be formed at step.
10. a kind of air-conditioning, including self-styled nut, which is characterized in that the self-styled nut is as described in claim any one of 1-9
Self-styled nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910241373.0A CN109990162A (en) | 2019-03-28 | 2019-03-28 | Self-styled nut and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910241373.0A CN109990162A (en) | 2019-03-28 | 2019-03-28 | Self-styled nut and air-conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109990162A true CN109990162A (en) | 2019-07-09 |
Family
ID=67131094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910241373.0A Pending CN109990162A (en) | 2019-03-28 | 2019-03-28 | Self-styled nut and air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990162A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075938A (en) * | 2019-12-31 | 2020-04-28 | 中国航空工业集团公司沈阳飞机设计研究所 | Deposit valve |
| CN111271532A (en) * | 2020-02-25 | 2020-06-12 | 常州市盛士达汽车空调有限公司 | Connector of automobile air conditioner pipeline |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2791402Y (en) * | 2005-04-20 | 2006-06-28 | 崔锦聚 | Double-cone sealing non-return valve |
| CN201202858Y (en) * | 2008-04-19 | 2009-03-04 | 潘炎忠 | Gas charging and pressure retaining valve of air conditioner inner machine |
| CN201288865Y (en) * | 2008-11-07 | 2009-08-12 | 余其彪 | Air conditioner inflatable pressure maintaining plastic valve |
| CN204739347U (en) * | 2015-02-06 | 2015-11-04 | 北京艾迪西暖通科技有限公司 | Pipeline soon interface, pipeline connect and pipeline connects end cap soon |
| CN206093068U (en) * | 2016-08-29 | 2017-04-12 | 武汉华醇新能源有限公司 | Check valve |
| CN206555514U (en) * | 2017-02-20 | 2017-10-13 | 王燕 | Self-styled connection valve and its self-closing valve core needle |
| CN209960085U (en) * | 2019-03-28 | 2020-01-17 | 格力电器（合肥）有限公司 | Self-sealing nut and air conditioner |
-
2019
- 2019-03-28 CN CN201910241373.0A patent/CN109990162A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2791402Y (en) * | 2005-04-20 | 2006-06-28 | 崔锦聚 | Double-cone sealing non-return valve |
| CN201202858Y (en) * | 2008-04-19 | 2009-03-04 | 潘炎忠 | Gas charging and pressure retaining valve of air conditioner inner machine |
| CN201288865Y (en) * | 2008-11-07 | 2009-08-12 | 余其彪 | Air conditioner inflatable pressure maintaining plastic valve |
| CN204739347U (en) * | 2015-02-06 | 2015-11-04 | 北京艾迪西暖通科技有限公司 | Pipeline soon interface, pipeline connect and pipeline connects end cap soon |
| CN206093068U (en) * | 2016-08-29 | 2017-04-12 | 武汉华醇新能源有限公司 | Check valve |
| CN206555514U (en) * | 2017-02-20 | 2017-10-13 | 王燕 | Self-styled connection valve and its self-closing valve core needle |
| CN209960085U (en) * | 2019-03-28 | 2020-01-17 | 格力电器（合肥）有限公司 | Self-sealing nut and air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075938A (en) * | 2019-12-31 | 2020-04-28 | 中国航空工业集团公司沈阳飞机设计研究所 | Deposit valve |
| CN111271532A (en) * | 2020-02-25 | 2020-06-12 | 常州市盛士达汽车空调有限公司 | Connector of automobile air conditioner pipeline |
| CN111271532B (en) * | 2020-02-25 | 2021-11-30 | 常州市盛士达汽车空调有限公司 | Connector of automobile air conditioner pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109990162A (en) | Self-styled nut and air-conditioning | |
| CA3144536C (en) | All-plastic emulsion pump | |
| CN103842162B (en) | For puncturing the cap unit of reparation | |
| CN211686396U (en) | Emulsion pump storage cavity structure | |
| JP2018200044A (en) | Push type nozzle assembly | |
| CN207161032U (en) | Greasing polish rod seal device | |
| CN211686397U (en) | Prevent that emulsion from flowing out's seal structure in static emulsion pump | |
| CN209960085U (en) | Self-sealing nut and air conditioner | |
| CN108136699A (en) | Flat repair liquid accommodates container | |
| CN206017788U (en) | Chlorine emergency isolating valve | |
| CN110182459B (en) | Liquid leakage-proof foam pump | |
| CN104595511B (en) | Direct-through type side pushing valve and spray nozzle device with direct-through type side pushing valve | |
| KR102357125B1 (en) | Coupler for curbed tubular | |
| CN207298055U (en) | A kind of sealing structure of high pressure valve | |
| CN202360057U (en) | Leather cup packer | |
| CN205780511U (en) | A kind of primary cut-out oil buffer structure | |
| CN219884552U (en) | Liquid outlet device of flexible packaging bag | |
| CN205618733U (en) | Novel universal valve device | |
| CN218282444U (en) | Fast glue filling mechanism | |
| CN109882111A (en) | The logical profit wedge-type sealer of anti-sticking anticreep | |
| CN217108235U (en) | Stable connecting mechanism for valve rod and valve | |
| CN204004132U (en) | High leak tightness nitrogen spring | |
| CN220375203U (en) | Toothpaste packing bottle | |
| CN208252765U (en) | A kind of sealing element and the nuclear power regulating valve with the sealing element | |
| CN217402032U (en) | Vacuumizing joint assembly of ethylene oxide condensation recovery device |
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 |