CN204756212U - Air conditioner and valve connector thereof - Google Patents
Air conditioner and valve connector thereof Download PDFInfo
- Publication number
- CN204756212U CN204756212U CN201520484003.7U CN201520484003U CN204756212U CN 204756212 U CN204756212 U CN 204756212U CN 201520484003 U CN201520484003 U CN 201520484003U CN 204756212 U CN204756212 U CN 204756212U
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- Prior art keywords
- joint
- valve
- positioning
- nut
- screw
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- Expired - Fee Related
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- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 101100234547 Caenorhabditis elegans rod-1 gene Proteins 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model discloses an air conditioner and a valve joint thereof, wherein the valve joint comprises a joint screw rod (1) and a joint nut (6), and a first positioning component (2) is arranged at the tail end of a screw thread (3) of the joint screw rod (1); and a second positioning part (5) which is matched and positioned with the first positioning part (2) is arranged on the joint nut (6). The utility model provides a valve joint, the joint screw moves with the screw thread of joint nut is twisted, the tail end that the screw tooth is close to gradually towards the one end of joint screw to the joint nut, and then make the second locating part that sets up on the first locating part that sets up on the joint screw and the joint nut be close to each other, after first locating part and the cooperation location of second locating part, stop the relative screw-up of joint screw and joint nut, effectively avoided the valve to connect not screw up or the tension and make the impaired condition of valve joint, the connection compactness of valve joint has effectively been ensured, avoid the inside fluid leakage's of valve joint the condition.
Description
Technical Field
The utility model relates to a jointing equipment technical field, in particular to air conditioner and valve joint thereof.
Background
Currently, a variety of pipeline valves are connected by valve joints. Taking an air conditioner as an example, a valve joint in the air conditioner is a bell-mouth joint. The valve joint comprises a joint screw rod and a joint nut. One end of the joint screw rod is of a conical structure, and one end of the joint nut is of a conical cylinder matched with the conical structure. During installation, the end of the cone-shaped cylinder of the joint nut faces away from the joint screw, and the end of the cone-shaped structure of the joint screw faces towards the joint nut.
In the installation process, the internal thread inside the joint nut is matched with the thread on the outer surface of the joint screw rod, and the inner surface of the conical barrel of the joint nut is in contact with and extruded from the outer surface of the conical structure through the threaded connection of the joint screw rod and the joint nut.
However, the operator performs a tightening operation of the joint screw and the joint nut. In the process of screwing the joint nut to the joint screw, because the screwing torque cannot be controlled, the situation that a gap exists between the joint nut and the joint screw due to the fact that the joint nut and the joint screw are not screwed is easily caused, and the situation that a bell mouth of a valve joint is broken due to the fact that the joint nut and the joint screw are excessively tightened due to excessive force can also be caused. When the joint nut and the joint screw rod are not screwed or are over-tightened, a gap is generated on the valve joint, and the refrigerant in the air conditioner is leaked.
Therefore, how to avoid the situation of non-tightening or over-tightening is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a valve joint to avoid the situation of not screwing up or over-tightening. The utility model also provides an air conditioner.
In order to achieve the above object, the utility model provides a following technical scheme:
a valve joint comprises a joint screw rod and a joint nut, wherein a first positioning part is arranged at the tail end of a thread of the joint screw rod;
and the joint nut is provided with a second positioning part which is matched and positioned with the first positioning part.
Preferably, in the above valve joint, the first positioning component and the second positioning component are two limit blocks which are in mutual matching contact.
Preferably, in the valve joint, the second positioning member is located on an end surface of the joint screw toward which the joint nut faces.
Preferably, in the above valve joint, the stopper is spherical.
Preferably, in the valve joint, the limiting block is a cuboid or a cylinder;
the extending direction of the first positioning component is perpendicular to the axis of the joint screw rod, and the extending direction of the second positioning component is parallel to the axis of the joint nut.
Preferably, in the above valve joint, the first positioning component and the second positioning component are both positioning marks.
Preferably, in the valve joint, the first positioning member is arranged along an axis of the joint screw, and the second positioning member is arranged along an axis of the joint nut;
the second positioning member is located on a circumferential outer surface of the union nut.
Preferably, in the valve joint, the positioning mark is a groove, a protrusion or a colored marking line.
Preferably, in the valve joint, a protruding ring is arranged at the tail end of the thread of the joint screw, and the diameter of the circumscribed circle of the protruding ring is equal to that of the circumscribed circle of the joint nut;
the first positioning member is located on the raised ring.
An air conditioner comprising a valve connector, the valve connector being as claimed in any one of the preceding claims.
According to the technical scheme, the utility model provides a valve joint, in the connection, joint screw moves with the screw thread of joint nut, joint nut is close to the tail end of screw tooth gradually towards the one end of joint screw, and then make the second locating component that sets up on the first locating component that sets up on the joint screw and the joint nut be close to each other, after first locating component and second locating component cooperation location, stop joint screw and joint nut's relative tightening, effectively avoided valve joint not to screw up or the tension and make the impaired condition of valve joint, effectively ensured valve joint's the connection compactness, avoid the inside fluid leakage's of valve joint the condition.
The utility model also provides an air conditioner of having above-mentioned valve joint. Since the valve joint has the technical effects, the air conditioner with the valve joint also has the same technical effects, and the air conditioner is not described in detail and is within the protection scope.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a joint screw according to an embodiment of the present invention;
fig. 2 is a first schematic structural diagram of a union nut according to an embodiment of the present invention;
fig. 3 is a second schematic structural diagram of a joint screw according to an embodiment of the present invention;
fig. 4 is a second schematic structural diagram of a joint nut according to an embodiment of the present invention.
Wherein,
the connector comprises a connector screw rod-1, a first positioning part-2, a thread-3, a conical structure-4, a second positioning part-5 and a connector nut-6.
Detailed Description
The utility model provides a valve joint to avoid not screwing up or the overtightening condition. The utility model also provides an air conditioner.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic flow chart of a joint screw according to an embodiment of the present invention; fig. 2 is a first schematic structural diagram of a joint nut according to an embodiment of the present invention.
The embodiment of the utility model provides a valve joint, which comprises a joint screw rod 1 and a joint nut 6, wherein the joint screw rod 1 is provided with a first positioning part 2; the joint nut 6 is provided with a second positioning part 5, and the first positioning part 2 is positioned at the tail end of the thread 3; the first positioning component 2 is matched and positioned with the second positioning component 5.
In the present embodiment, the valve joint is a bell-mouth joint, that is, one end of the joint screw 1 is a tapered structure 4, and the tail end of the thread 3 is the other end of the joint screw 1. In the installation process, one side of the joint nut 6, which faces away from the joint screw rod 1, is a conical cylinder matched with the conical structure 4. The internal thread of the joint nut 6, which is engaged with the thread 3, is connected to the joint nut 6 by the joint screw 1, so that the inner surface of the tapered cylinder of the joint nut 6 is in contact with and pressed against the outer surface of the tapered structure 4. The position of the first positioning member 2 on the joint screw 1 and the position of the second positioning member 5 on the joint nut 6 depend on the structure of the joint screw 1 and the joint nut 6 cooperating with each other. That is, the joint screw 1 and the joint nut 6 are tightened to a predetermined torque, and then the first positioning member 2 and the second positioning member 5 are positioned in engagement with each other.
The embodiment of the utility model provides a valve joint, in the connection, joint screw 1 is twisted with 6 screw threads of joint nut, 6 tail ends that are close to screw thread 3 gradually towards the one end of joint screw 1 of joint nut, and then make the second locating part 5 that sets up on the first locating part 2 that sets up on the joint screw 1 and the joint nut 6 be close to each other, after first locating part 2 and 5 cooperation location of second locating part, stop relative tightening of joint screw 1 and joint nut 6, effectively avoided valve joint not to screw up or the tension and make the impaired condition of valve joint, effectively ensured valve joint's the connection compactness, avoid the condition of the inside fluid leakage of valve joint.
In order to ensure the positioning effect, the first positioning component 2 and the second positioning component 5 are two limit blocks which are in mutual matching contact. Namely, the first positioning component 2 and the second positioning component 5 contact with each other to achieve the effect of matching and positioning. By providing two stoppers, the joint screw 1 and the joint nut 6 are tightened against each other, and when the joint screw 1 and the joint nut 6 are tightened to a predetermined torque, the stopper as the first positioning member 2 and the stopper as the second positioning member 5 come into contact with each other. Through the setting, the positioning effect is effectively ensured, and even if an operator does not observe the valve, the positioning effect can be achieved, and the valve joint at the position which is not easy to observe is conveniently screwed down.
In order to avoid interference between the joint nut 6 and the stopper serving as the first positioning member 2, the second positioning member 5 is located on the end surface of the joint screw 1 toward which the joint nut 6 faces. That is, before the union nut 6 comes into contact with the first positioning member 2, the second positioning member 5 comes into contact with the first positioning member 2, and the contact positioning between the two is completed.
The second positioning member 5 may be disposed on the outer surface of the joint nut 6, and the first positioning member 2 may be provided with a groove for avoiding the end of the joint screw 1 facing the joint nut 6, so that the second positioning member 5 is positioned in contact with the first positioning member 2 after the end of the joint screw 1 facing the joint nut 6 enters the groove.
The embodiment of the utility model provides an among the valve joint, the stopper is spherical. Namely, the first positioning part 2 arranged on the joint screw 1 and the second positioning part 5 arranged on the joint nut 6 are both spherical limiting blocks. The limiting block is spherical, so that any position of the limiting block can be connected to the joint nut 6 or the joint screw rod 1, and the limiting block is convenient to install on the joint nut 6 and the joint screw rod 1.
The limiting block can also be arranged on other structures. In another embodiment, the limiting block is a cuboid or a cylinder, wherein the extending direction of the first positioning component 2 is perpendicular to the axis of the joint screw 1, and the extending direction of the second positioning component 5 is parallel to the axis of the joint nut 6. Through the arrangement, after the limiting blocks are positioned and contacted, the two limiting blocks are in cross contact, and the positioning effect is effectively ensured. It can be understood that, when the limiting block is a rectangular parallelepiped, the extending direction of the first positioning component 2 and the second positioning component 5 is the extending direction of the longest side of the limiting block; when the limiting block is a cylinder, the extending direction of the first positioning part 2 and the second positioning part 5 is the axial direction of the cylinder.
Referring to fig. 3 and 4, fig. 3 is a schematic view of a second structure of a joint screw according to an embodiment of the present invention; fig. 4 is a second schematic structural diagram of a joint nut according to an embodiment of the present invention.
In view of simplifying the processing steps, in another embodiment, the first positioning member 2 and the second positioning member 5 are both positioning marks. The positioning mark can be a contact type positioning mark or a non-contact type positioning mark, and the positioning mode of the positioning mark is that the positioning mark serving as the first positioning component 2 and the positioning mark serving as the second positioning component 5 are matched and positioned by observing the mutual position relation of the positioning marks. That is, in the process of relatively tightening the joint screw 1 and the joint nut 6, after the positioning mark as the first positioning member 2 is aligned with the positioning mark as the second positioning member 5, the tightening operation is stopped. By setting the first positioning part 2 and the second positioning part 5 as positioning marks, the processing is effectively simplified.
Further, the first positioning member 2 is disposed along the axis of the joint screw 1, and the second positioning member 5 is disposed along the axis of the joint nut 6; the second positioning member 5 is located on the circumferential outer surface of the union nut 6. That is, after the joint screw 1 and the joint nut 6 are tightened, the first positioning member 2 and the second positioning member 5 are aligned with each other, and are connected and arranged in the axial direction of the joint screw 1 (i.e., the axial direction of the joint nut 6), further ensuring the positioning effect.
It is also possible to arrange the first positioning member 2 obliquely to the axial direction of the joint screw 1 and the second positioning member 5 obliquely to the axial direction of the joint nut 6, only by ensuring that the sides thereof which are close to each other are aligned.
To further facilitate processing, the locating marks are grooves, protrusions or colored marking lines. The positioning marks can also be arranged in other structures, which are not described one by one and are all within the protection scope.
In the valve joint provided by the embodiment of the utility model, the tail end of the screw thread 3 of the joint screw rod 1 is provided with a convex ring, and the diameter of the circumscribed circle of the convex ring is equal to that of the joint nut 6; the first positioning member 2 is located on the raised ring. After the joint screw 1 and the joint nut 6 are screwed up, the outer surface of the joint nut 6 and the outer surface of the raised ring are located on the same plane, which is more beneficial to observing the alignment of the first positioning part 2 on the raised ring and the second positioning part 5 on the joint nut 6, and further improving the precision of the matching positioning of the first positioning part 2 and the second positioning part 5.
The embodiment of the utility model provides an air conditioner is still provided, including the valve joint, the valve joint is as above-mentioned any kind of valve joint. Since the valve joint has the technical effects, the air conditioner with the valve joint also has the same technical effects, and the air conditioner is not described in detail and is within the protection scope.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A valve joint comprises a joint screw rod (1) and a joint nut (6), and is characterized in that a first positioning component (2) is arranged at the tail end of a thread (3) of the joint screw rod (1);
and a second positioning part (5) which is matched and positioned with the first positioning part (2) is arranged on the joint nut (6).
2. Valve joint according to claim 1, wherein the first positioning part (2) and the second positioning part (5) are two limit blocks which are in mutual fit contact.
3. Valve joint according to claim 2, wherein the second positioning member (5) is located on the end face of the joint screw (1) towards which the joint nut (6) is directed.
4. The valve fitting of claim 3 wherein said stop is spherical.
5. The valve coupling of claim 3, wherein the stop block is a cuboid or cylinder;
the extending direction of the first positioning component (2) is perpendicular to the axis of the joint screw rod (1), and the extending direction of the second positioning component (5) is parallel to the axis of the joint nut (6).
6. Valve joint according to claim 1, wherein the first positioning element (2) and the second positioning element (5) are each a positioning mark.
7. Valve joint according to claim 6, wherein the first positioning member (2) is arranged along the axis of the joint screw (1) and the second positioning member (5) is arranged along the axis of the joint nut (6);
the second positioning member (5) is located on a circumferential outer surface of the union nut (6).
8. The valve fitting of claim 6 wherein said locating indicia is a groove, a protrusion or a colored marking line.
9. The valve connector according to any one of claims 6 to 8, characterized in that the tail end of the thread (3) of the connector screw (1) is provided with a raised ring, and the diameter of the circumcircle of the raised ring is equal to that of the connector nut (6);
the first positioning part (2) is located on the raised ring.
10. An air conditioner comprising a valve connector, wherein the valve connector is as defined in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484003.7U CN204756212U (en) | 2015-07-06 | 2015-07-06 | Air conditioner and valve connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484003.7U CN204756212U (en) | 2015-07-06 | 2015-07-06 | Air conditioner and valve connector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204756212U true CN204756212U (en) | 2015-11-11 |
Family
ID=54470917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520484003.7U Expired - Fee Related CN204756212U (en) | 2015-07-06 | 2015-07-06 | Air conditioner and valve connector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204756212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322560A (en) * | 2016-08-31 | 2017-01-11 | 新昌县开铭制冷配件有限公司 | Connecting pipe used for air conditioner refrigerating pipes |
| CN107290571A (en) * | 2016-03-31 | 2017-10-24 | 国家电网公司 | A kind of circuit electric power meter |
-
2015
- 2015-07-06 CN CN201520484003.7U patent/CN204756212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290571A (en) * | 2016-03-31 | 2017-10-24 | 国家电网公司 | A kind of circuit electric power meter |
| CN106322560A (en) * | 2016-08-31 | 2017-01-11 | 新昌县开铭制冷配件有限公司 | Connecting pipe used for air conditioner refrigerating pipes |
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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 |
Granted publication date: 20151111 Termination date: 20210706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |