CN201651337U - Air conditioner check valve - Google Patents
Air conditioner check valve Download PDFInfo
- Publication number
- CN201651337U CN201651337U CN2010201093547U CN201020109354U CN201651337U CN 201651337 U CN201651337 U CN 201651337U CN 2010201093547 U CN2010201093547 U CN 2010201093547U CN 201020109354 U CN201020109354 U CN 201020109354U CN 201651337 U CN201651337 U CN 201651337U
- Authority
- CN
- China
- Prior art keywords
- stop valve
- air
- conditioning
- check valve
- connecting tube
- 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.)
- Expired - Fee Related
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- Lift Valve (AREA)
Abstract
The utility model discloses an air conditioner check valve, comprising a valve body, wherein the outlet of the check valve is provided with a guide column. A sealing rubber ring is sleeved onto the guide column. By adopting the check valve, the air conditioner cannot generate connection deflection; the sealing cone surface on the check valve is well matched with the horn conical surface of the connecting pipe; when in installation, the connecting pipe is not required to be replaced or is flared again even if the horn neck is lightly damaged by accident, the refrigerant cannot leak, and the operation is safe and convenient.
Description
Technical field
The utility model relates to the refrigeration appliance field, the valving in particular a kind of environment-friendly air conditioner field.
Background technique
Domestic air conditioning generally is divided into indoor set and outdoor unit two-part, and indoor set is connected by connecting tube with outdoor unit.Two stop valves that specification is different are generally all arranged on the outdoor unit.As shown in Figure 3, the horn mouth that connecting tube 17 1 ends have an expansion to come out, on the air-conditioning stop valve, design has the conical surface 11 of the usefulness that is connected with the air conditioner connecting pipe horn mouth.Horn mouth on the connecting tube 17 matches with the conical surface 11 on the stop valve, the sealing of formation face and face.The connecting tube of existing air-conditioning and the installation of stop valve are high especially to installer's requirement, when if little slight crack appears in the conical surface place center misalignment of the horn mouth of connecting tube and stop valve or bell-mouthed joint, the leakage of refrigeration agent can occur, thereby cause air-conditioning to lack refrigeration agent and can not use.Along with refrigeration agents such as existing R22, R410A because of consuming the ozone in the atmospheric layer or greenhouse effect are excessive will be substituted by natural preparation (the R290 high-purity propane is a liquefied petroleum gas (LPG)), and most natural refrigeration agents have combustion characteristic, the air conditioner generation leakage initiation fire accident that causes adopting the R290 refrigeration agent for fear of air-conditioning at fixing link because of installer's error, therefore a kind of reliable sealing air-conditioning stop valve that is simple and easy to realize is provided, and real is necessary.
The model utility content
The purpose of this utility model is to provide a kind of air-conditioning stop valve, be intended to solve conical surface place center misalignment of the horn mouth of connecting tube and stop valve when mounted of existing air-conditioning stop valve or bell-mouthed joint little slight crack to occur and the leakage phenomenon of refrigeration agent occurs, thereby cause air-conditioning unavailable or produce problem such as potential safety hazard.
The technical solution of the utility model is as follows:
A kind of air-conditioning stop valve comprises valve body, wherein, in the outlet port of described stop valve one directional post is set.
Described air-conditioning stop valve, wherein, described directional post and described valve body are tightly connected.
Described air-conditioning stop valve wherein, is with O-ring seal on the described directional post.
Described air-conditioning stop valve wherein, also comprises dust cap, described dust cap and O-ring seal interference fit.
A kind of air-conditioning stop valve provided by the utility model, owing to adopted and on stop valve, increased a directional post, make when installing, directional post on the stop valve play the guiding role to connecting tube, guarantee that the air-conditioning connection can not be offset, sealing cone on the stop valve and the horn mouth cone match on the connecting tube are good.
Simultaneously for the enhanced leaktightness performance, adopt on the directional post and be with O-ring seal, the interior telogenesis of sealing cushion rubber and connecting tube forms interference fit, refrigeration agent in the pipeline is played seal action, even cause horn mouth neck minor injury when installing because of carelessness, also need not to change connecting tube or to connecting tube enlarging again, refrigeration agent can not leak yet, safety and convenient.
Description of drawings
Fig. 1 is a kind of air-conditioning stop valve schematic representation that the utility model provides;
Fig. 2 is the assembling schematic representation of stop valve and connecting tube among the utility model embodiment;
Fig. 3 is existing a kind of air-conditioning stop valve schematic representation.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, clear and definite, below the utility model is further described with reference to the accompanying drawing embodiment that develops simultaneously.
The utility model provides a kind of stop valve of air-conditioning of the R290 of employing environmental protection refrigerant, increase a guide structure and seal arrangement by the joint at valve and connecting tube, the recessiveness that makes this kind stop valve avoid in the installation process causing because of misoperation or because of the connecting tube manufacturing deficiency is leaked.
Be a kind of air-conditioning stop valve installation that the utility model provides as shown in Figure 1, it comprises valve body 10, directional post 14, O-ring seal 13.Directional post 14 is tightly connected with valve body 10, and perhaps directional post 14 is integrated with valve body 10, and the size of directional post 14 is determined according to the corresponding connecting tube 17 and the specification of Female connector fittings 16, referring to shown in Figure 2.When mounted, 14 pairs of connecting tubes 17 of the directional post on the stop valve play the guiding role, and guarantee that the air-conditioning connection can not be offset.Directional post 14 gos deep in the connecting tube 17, and is good with the horn mouth cone match on the connecting tube up to the sealing cone on the stop valve 11.The phenomenon that so just can guarantee can not to occur the sealing cone 11 place center misalignment of the horn mouth of connecting tube and stop valve occurs, thereby makes the connection work of air-conditioning more simple and convenient.
Can to occur the leakage of refrigeration agent in order solving when little slight crack appears in bell-mouthed joint simultaneously, and to cause air-conditioning to lack refrigeration agent and out of use problem, just must the enhanced leaktightness performance.The solution that the utility model provides is to be with O-ring seal 13 on directional post 14, and sealing cushion rubber 13 forms interference fit with the internal surface of connecting tube 17.When directional post 14 is deep into connecting tube 17 inside, refrigeration agent in 13 pairs of pipelines of O-ring seal plays seal action, even the installer occurring tightens in the Female connector fittings process because of carelessness with horn mouth neck minor injury, also need not to change connecting tube 17 or to connecting tube 17 enlarging again, refrigeration agent can now not leak, and the benefit of doing like this is the safety that makes the work that installs an air-conditioner be unlikely to become very difficult and can guarantee to use.
Valve body 10 is provided with screw thread 12, is used for screwing with Female connector fittings 16 being connected, and plays assembling locking effect.At first connecting tube 17 is cleaned up (with the wiping of gasoline gauze) during connection, and center and the stop valve conical surface center that connects aligned, preventing collides with produces damage to horn mouth.During operation, a hand is fixed pipe joint with solid wrench, and the another hand is fastening with the torque spanner rotation.Major part was high-lift operation when air-conditioning was installed, and Chang Yin copper pipe horn mouth strength difference in installation process causes horn mouth crackle to occur or copper pipe recessiveness is impaired, if grown and freezing medium leakage can occur service time; Simultaneously stop valve circular cone center and the center misalignment that is connected copper pipe appear very easily, the bad and appearance leakage of the conical surface seal that causes the horn mouth stop valve.Just can avoid the problems referred to above that the very effective the problems referred to above that occur in the air-conditioning installation process in the prior art that solved take place fully by using above-mentioned stop valve.
Above-mentioned air-conditioning stop valve also comprises a dust cap 15, dust cap 15 forms tight slightly interference fit with O-ring seal 13, make the sealing effect of 13 of dust cap 15 and O-ring seals tightr, the effect of dust cap 15 is to play to prevent that dust and moisture from entering the effect of valve inner in the storage transportation process of air conditioner complete machine.When installing an air-conditioner device, by refrigeration the skilled worker is installed and takes off dust cap, transfer to the user by oneself.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (4)
1. an air-conditioning stop valve comprises valve body, it is characterized in that, in the outlet port of described stop valve one directional post is set.
2. air-conditioning stop valve according to claim 1 is characterized in that, described directional post and described valve body are tightly connected.
3. air-conditioning stop valve according to claim 1 is characterized in that, is with O-ring seal on the described directional post.
4. air-conditioning stop valve according to claim 3 is characterized in that, also comprises dust cap, described dust cap and O-ring seal interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201093547U CN201651337U (en) | 2010-01-29 | 2010-01-29 | Air conditioner check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201093547U CN201651337U (en) | 2010-01-29 | 2010-01-29 | Air conditioner check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651337U true CN201651337U (en) | 2010-11-24 |
Family
ID=43116573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201093547U Expired - Fee Related CN201651337U (en) | 2010-01-29 | 2010-01-29 | Air conditioner check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443625A (en) * | 2018-05-23 | 2018-08-24 | 格力电器（合肥）有限公司 | A kind of pipeline jointing construction and a kind of air-conditioning |
-
2010
- 2010-01-29 CN CN2010201093547U patent/CN201651337U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443625A (en) * | 2018-05-23 | 2018-08-24 | 格力电器（合肥）有限公司 | A kind of pipeline jointing construction and a kind of air-conditioning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20190129 |