CN203463739U - Air conditioner and refrigerant pipe and unloading valve thereof - Google Patents
Air conditioner and refrigerant pipe and unloading valve thereof Download PDFInfo
- Publication number
- CN203463739U CN203463739U CN201320567076.3U CN201320567076U CN203463739U CN 203463739 U CN203463739 U CN 203463739U CN 201320567076 U CN201320567076 U CN 201320567076U CN 203463739 U CN203463739 U CN 203463739U
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- unloading valve
- table top
- refrigerant pipe
- valve seat
- valve
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Abstract
The utility model provides an unloading valve which comprises a valve seat provided with a base, a thread and a cap nut, wherein the thread is formed in the outer side of the base of the valve seat, and the cap nut is matched with the thread and arranged on the outer side of the base of the valve seat in a covering manner. According to the utility model, the hard seal of the cap nut to the valve seat is realized through the threaded fit of the cap nut and the valve seat and a hard seal effect of the threaded fit; and due to the fact that the unloading valve is provided with a seal ring for sealing, the sealing effect of the unloading valve can be effectively improved through the addition of the hard seal, and a refrigerant is prevented from leakage. The utility model further provides a refrigerant pipe provided with the unloading valve and an air conditioner provided with the refrigerant pipe.
Description
Technical field
The utility model relates to air regulator technical field, particularly a kind of air conditioner and refrigerant pipe thereof and unloading valve.
Background technique
At present, there are two O RunddichtringOs conventional unloading valve inside, refrigerant pipe place, with the refrigerant in refrigerant pipe, carries out off-load.In order to detect the stability of complete machine, need to carry out to complete machine the detection of exchange pressure system in process of production.
In testing process, the pressure of exchange pressure system can produce larger fluctuation, instant low when high, this makes the spring of unloading valve inside extend and shrink along with the variation of machine system pressure, and the O RunddichtringO that drive is connected with spring moves up and down, in the process moving at seal ring, can cause the seal action of seal ring to lose efficacy, and then cause refrigerant to reveal for the base end of fixing spring by unloading valve, cause complete machine to roll off the production line in batches, have a strong impact on normal production and the quality of product of company, greatly increased the manufacture cost of complete machine simultaneously.In addition, the long-term work under low temperature environment of O RunddichtringO there will be flexibility decrease, is even glassy sclerosis and causes permanent deformation and reveal, and sealing reliability is extremely low.
Therefore, how providing a kind of unloading valve, to improve the sealing of unloading valve, is the current technical issues that need to address of those skilled in the art.
Model utility content
The purpose of this utility model is to provide a kind of unloading valve, to improve the sealing of unloading valve.Another object of the present utility model is to provide a kind of air conditioner that has the refrigerant pipe of above-mentioned unloading valve and have this refrigerant pipe.
For solving the problems of the technologies described above, the utility model provides following technological scheme:
A unloading valve, comprises the valve seat with base, wherein, also comprises:
Be arranged on the screw thread of the chassis outer side of described valve seat;
With described screw-thread fit and be located at the acorn nut of the chassis outer side of described valve seat.
Preferably, in above-mentioned unloading valve, outside, the bottom of described valve seat is plane, and the inside thread face of described acorn nut is and described parallel plane facing directly.
Preferably, in above-mentioned unloading valve, outside, the bottom of described valve seat is step surface, and described screw thread is arranged on described step surface.
Preferably, in above-mentioned unloading valve, described step surface has two table tops, and the first table top in two table tops is less than the second table top with respect to the distance of the axis of unloading valve with respect to the distance of the axis of unloading valve, and described the first table top is near the base end face of described valve seat.
Preferably, in above-mentioned unloading valve, described screw thread is arranged on described the first table top and described the second table top, and described acorn nut is all connected with described the second table top with described the first table top.
Preferably, in above-mentioned unloading valve, on described the first table top, be provided with chamfering, and described screw thread is arranged on described the second table top.
Preferably, in above-mentioned unloading valve, the inner side of described acorn nut is provided with the projection offseting with described chamfering.
Preferably, in above-mentioned unloading valve, the end cap outer surface of described acorn nut is plane.
A refrigerant pipe, comprises unloading valve, and wherein, described unloading valve is the unloading valve described in above-mentioned any one.
An air conditioner, comprises refrigerant pipe, and wherein, described refrigerant pipe is refrigerant pipe described above.
The utility model provides a kind of unloading valve, comprises the valve seat with base, also comprises the screw thread of the chassis outer side that is arranged on described valve seat and with screw-thread fit and be located at the acorn nut of the chassis outer side of valve seat.In the application, by the screw-thread fit of acorn nut and valve seat, and due to the hard sealing effect of screw-thread fit, thereby realize the hard sealing of acorn nut to valve seat.Because unloading valve self has seal ring sealing, by the increase of hard sealing, can effectively improve the sealing effect of unloading valve, prevent the leakage of refrigerant.
The utility model also provides a kind of air conditioner that has the refrigerant pipe of above-mentioned unloading valve and have this refrigerant pipe, and therefore, the refrigerant pipe with above-mentioned unloading valve all has above-mentioned technique effect with the air conditioner with this refrigerant pipe.
Accompanying drawing explanation
The structural representation of a kind of unloading valve that Fig. 1 provides for the utility model embodiment;
The structural representation of the another kind of unloading valve that Fig. 2 provides for the utility model embodiment;
The structural representation of another unloading valve that Fig. 3 provides for the utility model embodiment.
Embodiment
Core of the present utility model is to provide a kind of unloading valve, to improve the sealing of unloading valve.Another core of the present utility model is to provide a kind of air conditioner that has the refrigerant pipe of above-mentioned unloading valve and have this refrigerant pipe.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with drawings and embodiments, the utility model is described in further detail.
Please refer to shown in Fig. 1, the utility model embodiment discloses a kind of unloading valve, comprises the valve seat 1 with base, also comprises the screw thread of the chassis outer side that is arranged on described valve seat 1 and with screw-thread fit and be located at the acorn nut 2 of the chassis outer side of valve seat 1.In the application, by the screw-thread fit of acorn nut 2 and valve seat 1, and due to the hard sealing effect of screw-thread fit, thereby realize the hard sealing of 2 pairs of valve seats 1 of acorn nut.Because unloading valve self has seal ring sealing, by the increase of hard sealing, can effectively improve the sealing effect of unloading valve, prevent the leakage of refrigerant.
By the bottom arranged outside of valve seat 1, be plane in one embodiment, and the inside thread face of acorn nut 2 is for to face directly with parallel plane, and by screw thread setting in the plane, acorn nut 2 by screw-thread fit, is realized sealing between the two by screw thread with the chassis outer side of valve seat 1.Because plane machining is convenient, can reduce the processing cost to this unloading valve, reduce production costs.
As shown in Figure 2, in another specific embodiment, the chassis outer side of unloading valve is set to step surface, and screw thread is arranged on step surface.Can select according to actual needs in practice screw thread to be specifically positioned at which part of step surface, for the number of step surface, also can actually arrange.The base of valve seat 1 is contacted by step surface with acorn nut 2, can increase the obstruction of secondary refrigerant leakage, improve sealing effect.Screw thread can be arranged on one of them step surface in practice, and guarantee that acorn nut 2 is threaded with it.For the concrete shape of step surface and size in the present embodiment and be not specifically limited, as long as the scheme with said structure is all in protection domain.
In specific embodiment, step surface is set to two table tops, and be denoted as the first table top and the second table top, wherein, the first table top is the table top near the base end face of valve seat 1, the first related table top and the second table top are the face of the axis that is parallel to unloading valve herein, and the first table top is less than the second table top relatively and the distance of the axis of unloading valve with respect to the distance of the axis of unloading valve.
The application provides a kind of shape of concrete step surface, and the first table top is less than to the second table top with respect to axial line distance with respect to the distance of the axis of unloading valve, to guarantee acorn nut 2, can all fit with First terrace and second step face, and increase the hard sealing effect sealing by the height difference of the first table top and the second table top, increased the obstruction of refrigerant.It will be appreciated by persons skilled in the art that in practice and also the table top of different numbers can be set according to different needs, further to increase the obstruction effect to refrigerant, improve the sealing effect of sealing.Also can be only by acorn nut 2 and the first table top screw-thread fit wherein in technique scheme.
Preferably, screw thread is all arranged on the first table top and the second table top, and acorn nut 2 is all connected with the second table top with the first table top.The area of contact not only having increased between acorn nut 2 and unloading valve by above-mentioned setting guarantees sealing, also can refrigerant be hindered by sudden change place of step, further to improve sealing effect.
As shown in Figure 3, on the basis of technique scheme, also can on the first table top, chamfering be set, and screw thread is arranged on the second table top, by chamfering is set, can avoid the screw thread of base outer surface of unloading valve because collision damages, cause the situation that cannot coordinate with acorn nut 2.In view of the above problems, on the first table top, chamfering is set, can prevents the problem that after collision, acorn nut 2 cannot be installed.Large I for chamfering arranges according to different needs, and preferably, the size of chamfering can be 45 °.
Further, in scheme, in the inner side of acorn nut 2, be arranged at the projection 21 that chamfering offsets, by projection 21 and the butt of chamfering, can realize being tightly connected of projection 21 and chamfering place, thereby improve the sealing of the unloading valve of this structural type.
The end cap outer surface of the acorn nut 2 in the disclosed unloading valve of the application is plane.Structure for this acorn nut 2 specifically can be protected two-part; wherein end cap part is relative with the bottom end of unloading valve; be used to the refrigerant of revealing from unloading valve that space is provided; another portion is the thread bush being connected with end cap; and the screw-thread fit of valve seat 1 outer surface of this thread bush and unloading valve, realizes the sealing of acorn nut 2 and unloading valve.Thereby the application arranges by valve seat 1 place at unloading valve the sealing effect that acorn nut 2 has improved unloading valve, because acorn nut 2 is simple in structure, therefore, can reduce the processing cost of this unloading valve.
The utility model embodiment also provides a kind of refrigerant pipe, has unloading valve, and the unloading valve of this unloading valve for providing in above-described embodiment, and therefore, the refrigerant pipe with unloading valve also has above-mentioned all technique effects.
The utility model embodiment also provides a kind of air conditioner, and it comprises refrigerant pipe, and the refrigerant pipe of this refrigerant pipe for providing in above-described embodiment, and therefore, the air conditioner with this refrigerant pipe also has above-mentioned technique effect.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a unloading valve, comprises the valve seat (1) with base, it is characterized in that, also comprises:
Be arranged on the screw thread of the chassis outer side of described valve seat (1);
With described screw-thread fit and be located at the acorn nut (2) of the chassis outer side of described valve seat (1).
2. unloading valve according to claim 1, is characterized in that, the outside, bottom of described valve seat (1) is plane, and the inside thread face of described acorn nut (2) is and described parallel plane facing directly.
3. unloading valve according to claim 1, is characterized in that, the outside, bottom of described valve seat (1) is step surface, and described screw thread is arranged on described step surface.
4. unloading valve according to claim 3, it is characterized in that, described step surface has two table tops, and the first table top in two table tops is less than the second table top with respect to the distance of the axis of unloading valve with respect to the distance of the axis of unloading valve, and described the first table top is near the base end face of described valve seat (1).
5. unloading valve according to claim 4, is characterized in that, described screw thread is arranged on described the first table top and described the second table top, and described acorn nut (2) is all connected with described the second table top with described the first table top.
6. unloading valve according to claim 4, is characterized in that, on described the first table top, is provided with chamfering, and described screw thread is arranged on described the second table top.
7. unloading valve according to claim 6, is characterized in that, the inner side of described acorn nut (2) is provided with the projection (21) offseting with described chamfering.
8. according to the unloading valve described in claim 1-7 any one, it is characterized in that, the end cap outer surface of described acorn nut (2) is plane.
9. a refrigerant pipe, comprises unloading valve, it is characterized in that, described unloading valve is the unloading valve described in the claims 1-8 any one.
10. an air conditioner, comprises refrigerant pipe, it is characterized in that, described refrigerant pipe is refrigerant pipe claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567076.3U CN203463739U (en) | 2013-09-12 | 2013-09-12 | Air conditioner and refrigerant pipe and unloading valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567076.3U CN203463739U (en) | 2013-09-12 | 2013-09-12 | Air conditioner and refrigerant pipe and unloading valve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463739U true CN203463739U (en) | 2014-03-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567076.3U Expired - Fee Related CN203463739U (en) | 2013-09-12 | 2013-09-12 | Air conditioner and refrigerant pipe and unloading valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455595A (en) * | 2013-09-12 | 2015-03-25 | 珠海格力电器股份有限公司 | Air conditioner and refrigerant pipe and unloading valve thereof |
-
2013
- 2013-09-12 CN CN201320567076.3U patent/CN203463739U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455595A (en) * | 2013-09-12 | 2015-03-25 | 珠海格力电器股份有限公司 | Air conditioner and refrigerant pipe and unloading valve thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20140305 Termination date: 20210912 |