CN110332408B - Mounting structure of valve seat and pipe fitting and air conditioner - Google Patents
Mounting structure of valve seat and pipe fitting and air conditioner Download PDFInfo
- Publication number
- CN110332408B CN110332408B CN201910691419.9A CN201910691419A CN110332408B CN 110332408 B CN110332408 B CN 110332408B CN 201910691419 A CN201910691419 A CN 201910691419A CN 110332408 B CN110332408 B CN 110332408B
- Authority
- CN
- China
- Prior art keywords
- valve seat
- joint
- pipe fitting
- connector
- sealing
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Valve Housings (AREA)
- Lift Valve (AREA)
Abstract
The invention provides a valve seat and pipe fitting mounting structure and an air conditioner, wherein the valve seat is mounted in a valve body, the pipe fitting is mounted in a mounting hole of the valve seat through a connector, a sealing part is arranged in the mounting hole, the connector is fixed in the valve body through a fastener, the pipe fitting is arranged in the connector and the fastener in a penetrating manner, a conical surface between the sealing part and the connector is sealed firmly, a fixing part of the fastener is provided with a containing cavity, the connector is arranged in the containing cavity, the containing cavity comprises a pressing part propped against the other end of the connector, and soft sealing treatment is carried out between the connector and the containing cavity. Compared with the prior art, the invention provides the mounting structure of the valve seat and the pipe fitting, the valve seat is mounted in the valve body, the pipe fitting is mounted in the mounting hole of the valve seat through the joint, the joint is in sealing connection with the sealing part in the mounting hole, the joint is fixed in the valve body through the fastener so as to seal the joint and the sealing part, and the sealing part is arranged in the valve seat, so that the problem of refrigerant leakage caused by collision and damage of the valve seat is avoided.
Description
Technical Field
The invention relates to the field of valve design, in particular to a valve seat and pipe fitting mounting structure and an air conditioner.
Background
The pipe fitting of the outdoor unit of the air conditioner is provided with a high-pressure valve and a low-pressure valve, the current connecting mode of the valve and the connecting pipe fitting adopts the conical surface of the valve seat to be connected with the connecting pipe fitting through a hard sealing mode after being flared, the conical surface of the valve seat is arranged outside the valve seat, however, the conical surface is inevitably bumped in the process of producing or carrying the valve seat to cause damage, and the hard sealing connection between the valve seat and the connecting pipe fitting is invalid, so that the problems of refrigerant leakage and the like in the air conditioner can be caused.
Disclosure of Invention
The invention provides a valve seat and pipe fitting mounting structure and an air conditioner, which effectively solve the problem of refrigerant leakage caused by collision and damage of a valve seat.
The technical scheme of the invention is as follows: the valve seat is arranged in the valve body, the pipe fitting is arranged in a mounting hole of the valve seat through a joint, a sealing part in sealing connection with the joint is arranged in the mounting hole, and the joint is fixed in the valve body through a fastener.
The pipe fitting is arranged in the joint and the fastener in a penetrating way.
The sealing part is in hard sealing connection with the joint.
The sealing part is a first conical surface, one end of the connector is an extending end extending into the mounting hole, and the extending end comprises a second conical surface which is in hard sealing connection with the first conical surface.
The fastener comprises a fixing part which stretches into the valve body and is fixed with the valve body, and a pressing part which is propped against the other end of the joint to enable the second conical surface to be clung to the first conical surface.
The fixing part is fixed in the valve body through threaded connection.
The fixing part is provided with a containing cavity, the connector is arranged in the containing cavity, and the containing cavity comprises a pressing part propped against the other end of the connector.
And soft sealing treatment is carried out between the joint and the accommodating cavity.
The connector is characterized in that an annular groove is formed in the peripheral surface of the connector, a sealing ring is arranged in the annular groove, and the sealing ring is arranged between the peripheral surface of the connector and the inner wall of the accommodating cavity.
An air conditioner comprises a valve seat and a pipe fitting mounting structure.
Compared with the prior art, the invention has the advantages that: the invention provides a mounting structure of a valve seat and a pipe fitting, wherein the valve seat is mounted in a valve body, the pipe fitting is mounted in a mounting hole of the valve seat through a joint, the joint is in sealing connection with a sealing part in the mounting hole, the joint is fixed in the valve body through a fastener so as to seal between the joint and the sealing part, and the sealing part is arranged in the valve seat, so that the problem of refrigerant leakage caused by collision and damage of the valve seat is avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of a valve seat and a tube member according to the present invention;
FIG. 2 is a schematic side view of a valve seat and a tube member according to the present invention;
FIG. 3 is a schematic perspective view of a valve seat and a pipe fitting according to the present invention;
FIG. 4 is a schematic cross-sectional view of a fastener of the present invention;
FIG. 5 is a schematic cross-sectional view of a joint and a pipe according to the present invention;
fig. 6 is a schematic cross-sectional view of a valve seat according to the present invention.
Detailed Description
The principles and structures of the present invention are described in detail below with reference to the drawings and the examples.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The invention provides a valve seat and pipe fitting mounting structure, which is shown in fig. 1 to 3, wherein the valve seat 3 is mounted in a valve body 6, the pipe fitting 1 is mounted in a mounting hole of the valve seat 3 through a joint 2, the joint 2 is in sealing connection with a sealing part in the mounting hole, and a fastener 4 is used for fixing the joint 2 in the mounting hole.
Specifically, as shown in fig. 4 to 6, the pipe fitting 1 is arranged in the joint 2 and the fastener 4 in a penetrating way, the pipe fitting 1 is a circular pipe, the end part of the pipe fitting 1 is provided with the joint 2 sleeved on the outer side of the pipe fitting 1, and the joint 2 and the pipe fitting 1 are assembled during production; the inside of the mounting hole is provided with a sealing part, the sealing part is in hard sealing connection with the joint 2, in the embodiment, the sealing part is a first conical surface 31 arranged on the inner wall of the mounting hole of the valve seat 3, one end of the joint 2 stretches into the mounting hole is provided with a second conical surface 21, the second conical surface 21 at the end part of the joint 2 is matched with the conical first conical surface 31 of the valve seat 3, and the second conical surface 21 at the end part of the joint 2 is matched with the first conical surface 31 of the valve seat 3 so as to form sealing connection between the joint 2 and the inside of the mounting hole of the valve seat 3.
The fastener 4 is used for fixing the joint 2 in the valve body 6, in this embodiment, the fastener 4 is a nut, the fastener 4 includes a body 41 and a fixing portion 42, the pipe fitting 1 is penetrated into the body 41 and the fixing portion 42, the fixing portion 42 is a cylinder disposed at one end of the body 41, an external thread is disposed on an outer surface of the fixing portion 42, the fixing portion 42 extends into the valve body 6 when being installed, an internal thread is disposed in the valve body 6, the fixing portion 42 is screwed into the valve body 6, and the external thread is matched with the internal thread so as to fix the fixing portion 42 in the valve body 6; meanwhile, a containing cavity 43 is formed in the fixing portion 42, the size of the containing cavity 43 is matched with the size of the joint 2, the joint 2 can be installed in the containing cavity 43, the depth of the containing cavity 43 is smaller than the length of the joint 2, a part of the joint 2 is located in the containing cavity 43, the other part of the joint 2 extends out of the containing cavity 43, an inner hole through which the pipe fitting 1 passes is formed in the end face of the containing cavity 43, the size of the inner hole is smaller than the size of the end face of the containing cavity 43, the end face of the containing cavity 43 can be used for the pipe fitting 1 to pass through and can also abut against the other end (relative to the end provided with the second conical surface 21) of the joint 2, the portion of the containing cavity 43 abutting against the end face of the joint 2 is a pressing portion 44, when the fastener 4 is screwed into the valve seat 3, the joint 2 is installed in the containing cavity 43, the pressing portion 44 abuts against the end of the joint 2 to press the joint 2 into the installation hole of the valve seat 3, and finally the second conical surface 21 at the end of the joint 2 and the first conical surface 31 of the valve seat 3 tightly press the end of the joint 2 to enable the sealing portion to be in hard sealing connection with the joint 2.
It should be noted that, the valve seat 3 in this embodiment is installed in the valve body 6 to form a stepped sealing structure, and the stepped sealing structure includes a first step 300 with a smaller inner diameter and a second step 301 with a larger inner diameter disposed outside the first step 300, the first conical surface 31 is disposed on the first step 300, a step surface 302 is disposed between the first step 300 and the second step 301, and the step surface 302 abuts against the fixing portion 42 to prevent the fixing portion 42 from being screwed in too deeply.
The joint 2 and the accommodating cavity 43 are subjected to soft sealing treatment, an annular groove 22 surrounding the joint 2 is further formed in the outer circumferential surface of the joint 2, an O-shaped sealing ring 5 is sleeved on the annular groove 22, the sealing ring 5 is arranged between the circumferential surface of the joint 2 and the inner wall of the accommodating cavity 43, and the soft sealing mode taking the sealing ring 5 as an example is additionally arranged, so that the condition that the sealing state is intact can be ensured between the pipe fitting 1 and the valve seat 3 under the condition that the hard sealing connection taking the conical surface as an example fails, and the operation of the whole machine is not influenced.
According to the invention, the sealing position between the valve seat 3 and the pipe fitting 1 (mainly through the joint 2 arranged on the pipe fitting 1) is arranged in the mounting hole in the valve seat 3 to form the internal stepped hard seal, so that the problem of sealing failure caused by collision damage of the valve seat in the production and transportation processes is prevented.
The invention also provides an air conditioner which comprises the mounting structure of the valve seat and the pipe fitting.
The above embodiments are only for illustrating the idea of the present invention, and those skilled in the art can make various modifications and variations within the scope of the present invention.
Claims (7)
1. The valve seat is arranged in the valve body, and is characterized in that the pipe fitting is arranged in a mounting hole of the valve seat through a connector, a sealing part in sealing connection with the connector is arranged in the mounting hole, and the connector is fixed in the valve body through a fastener;
The sealing part is a first conical surface, one end of the connector is an extending end extending into the mounting hole, the extending end comprises a second conical surface which is in hard sealing connection with the first conical surface, the fastening piece comprises a fixing part extending into the valve body and fixed with the valve body and a pressing part propped against the other end of the connector to enable the second conical surface to be clung to the first conical surface, and the fixing part is fixed in the valve body through threaded connection;
The valve seat is arranged in the valve body to form a stepped sealing structure, the stepped sealing structure comprises a first step with smaller inner diameter and a second step with larger inner diameter, the second step is arranged outside the first step, the first conical surface is arranged on the first step, a step surface is arranged between the first step and the second step, and the step surface is propped against the fixing part.
2. The valve seat and tube mounting structure of claim 1, wherein the tube is threaded within the fitting and the fastener.
3. The valve seat and fitting mounting structure of claim 1, wherein said seal is a hard seal connection with said fitting.
4. The valve seat and pipe fitting mounting structure according to claim 1, wherein the fixing portion is provided with a receiving cavity, the joint is provided in the receiving cavity, and the receiving cavity includes a pressing portion that abuts against the other end of the joint.
5. The valve seat and tube mounting structure of claim 4, wherein a soft sealing process is performed between the fitting and the receiving chamber.
6. The valve seat and pipe fitting mounting structure according to claim 5, wherein an annular groove is formed in the circumferential surface of the joint, and a sealing ring is arranged in the annular groove and is arranged between the circumferential surface of the joint and the inner wall of the accommodating cavity.
7. An air conditioner, characterized in that the air conditioner comprises the valve seat and pipe fitting mounting structure as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910691419.9A CN110332408B (en) | 2019-07-29 | 2019-07-29 | Mounting structure of valve seat and pipe fitting and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910691419.9A CN110332408B (en) | 2019-07-29 | 2019-07-29 | Mounting structure of valve seat and pipe fitting and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110332408A CN110332408A (en) | 2019-10-15 |
| CN110332408B true CN110332408B (en) | 2024-05-14 |
Family
ID=68147879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910691419.9A Active CN110332408B (en) | 2019-07-29 | 2019-07-29 | Mounting structure of valve seat and pipe fitting and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332408B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1322379C (en) * | 1988-07-18 | 1993-09-21 | Dan V. Tran | High pressure rod sealing unit for fluid pressure gauges |
| JP2004257543A (en) * | 2003-02-28 | 2004-09-16 | National Institute Of Advanced Industrial & Technology | Pipe joint |
| CN201314432Y (en) * | 2008-12-23 | 2009-09-23 | 中国石油天然气管道局 | Drainage device of pipeline emergency repair clamp apparatus |
| CN201696772U (en) * | 2010-01-22 | 2011-01-05 | 吴文庆 | Corrugated pipe joint with fuel gas leakage alarm function |
| CN202176870U (en) * | 2011-07-18 | 2012-03-28 | 浙江盾安阀门有限公司 | Flexible valve connecting and sealing structure |
| CN202349429U (en) * | 2011-11-25 | 2012-07-25 | 浙江盾安禾田金属有限公司 | Pipe joint and stop valve |
| CN204176124U (en) * | 2014-02-26 | 2015-02-25 | 重庆华超金属有限公司 | A kind of stop valve improving linkage structure |
| CN105257944A (en) * | 2015-09-28 | 2016-01-20 | 宁波忻杰燃气用具实业有限公司 | Special valve ventilating tool for gas valve |
| CN207145819U (en) * | 2017-09-19 | 2018-03-27 | 广东美的制冷设备有限公司 | Air-conditioning duct attachment structure and air conditioner |
| CN210291130U (en) * | 2019-07-29 | 2020-04-10 | 格力电器（芜湖）有限公司 | Mounting structure and air conditioner of disk seat and pipe fitting |
-
2019
- 2019-07-29 CN CN201910691419.9A patent/CN110332408B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1322379C (en) * | 1988-07-18 | 1993-09-21 | Dan V. Tran | High pressure rod sealing unit for fluid pressure gauges |
| JP2004257543A (en) * | 2003-02-28 | 2004-09-16 | National Institute Of Advanced Industrial & Technology | Pipe joint |
| CN201314432Y (en) * | 2008-12-23 | 2009-09-23 | 中国石油天然气管道局 | Drainage device of pipeline emergency repair clamp apparatus |
| CN201696772U (en) * | 2010-01-22 | 2011-01-05 | 吴文庆 | Corrugated pipe joint with fuel gas leakage alarm function |
| CN202176870U (en) * | 2011-07-18 | 2012-03-28 | 浙江盾安阀门有限公司 | Flexible valve connecting and sealing structure |
| CN202349429U (en) * | 2011-11-25 | 2012-07-25 | 浙江盾安禾田金属有限公司 | Pipe joint and stop valve |
| CN204176124U (en) * | 2014-02-26 | 2015-02-25 | 重庆华超金属有限公司 | A kind of stop valve improving linkage structure |
| CN105257944A (en) * | 2015-09-28 | 2016-01-20 | 宁波忻杰燃气用具实业有限公司 | Special valve ventilating tool for gas valve |
| CN207145819U (en) * | 2017-09-19 | 2018-03-27 | 广东美的制冷设备有限公司 | Air-conditioning duct attachment structure and air conditioner |
| CN210291130U (en) * | 2019-07-29 | 2020-04-10 | 格力电器（芜湖）有限公司 | Mounting structure and air conditioner of disk seat and pipe fitting |
Non-Patent Citations (1)
| Title |
|---|
| 阀门启闭件双密封装置;李志鹏;刘名兰;杨芳;;润滑与密封;20060330(02);第133-135页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110332408A (en) | 2019-10-15 |
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