CN201129466Y - Bidirectional throttling stop valve with throttle and cut-off dual functions - Google Patents
Bidirectional throttling stop valve with throttle and cut-off dual functions Download PDFInfo
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- CN201129466Y CN201129466Y CNU2007200594594U CN200720059459U CN201129466Y CN 201129466 Y CN201129466 Y CN 201129466Y CN U2007200594594 U CNU2007200594594 U CN U2007200594594U CN 200720059459 U CN200720059459 U CN 200720059459U CN 201129466 Y CN201129466 Y CN 201129466Y
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Abstract
The utility model provides a bidirectional throttle stop valve which combines throttle elements and a stop valve. The utility model comprises a valve body, a stop valve core, a connecting tube, a fluoride injection mouth, a transverse head nut, a fixed type throttle valve core, a sliding type throttle valve core and an integrated valve base, wherein the throttle valve cores have a large hole and a small hole, the fixed type valve core has a large hole for refrigerating and throttling, the sliding type valve core has a small hole and can be serially connected with the fixed type valve core for heating and throttling. The fixed type valve core can be embedded or directly provided in the channel of the valve body and the sliding type valve core can make translation between the valve base and a filter screen. The utility model has an opening type structure, wherein the filter screen can be taken out and the sliding type valve core can be exchanged by releasing the transverse head nut and opening a retrain ring, to clean the smudgy on the filter screen. The utility model has a compact structure that the throttle elements not occupy additional space, and no welding points for connection are added, the utility model has high reliability, low cost and low noise, therefore, the bidirectional throttle stop valve can replace prior stop valve and capillary one-way valve throttle elements of the heat pump air conditioner.
Description
Technical field:
The present invention relates to a kind of bidirectional throttle stop valve that throttle element and stop valve are combined together, have, be used for heat pump type air conditioning system by, bidirectional throttle dual functions.
Background technique:
The composition of heat pump type air conditioning system mainly includes four major parts such as compressor, condenser, flow controller and vaporizer, also has accessories such as stop valve in addition.Throttle part is the critical component of decision heat pump performance, in existing heat pump type air conditioning system, adopts two capillaries and an one-way valve to form the flow that throttle element is regulated refrigeration agent in the pipeline mostly.
For avoiding the defective of capillary-compensated assembly, 200710028533.0 number patent application provides a kind of bidirectional throttling valve, in tubular device, be provided with integral type valve seat, integral type spool and sliding type spool, the integral type valve seat separates into left chamber, valve pocket, three chambers in right chamber with the integral type spool with valve pocket, the sliding type spool is housed in the valve pocket, the integral type spool is provided with the first segment discharge orifice, and the sliding type spool is provided with second throttle orifice, is respectively applied for refrigeration and heats process.This invention has solved to a certain extent that the bidirectional throttling valve component are many, the problem of high material consumption etc., but still be the independent throttle element of installing, and needs by being welded to connect, and still the possibility of existence leakage makes heat pump performance be subjected to bigger influence.The throttling processing of this structure and packaging technology are complicated, and processing cost is than higher, and its installation direction is bigger to the influence of noise of operation simultaneously.In addition, the screen modules of air-conditioning system is installed in the pipeline at present, and pipeline is welded to connect, and stops up easily when refrigeration agent contains impurity, causes refrigeration agent can't pass through maintenance difficult.
Summary of the invention:
Be the possibility that further reduces materials consumption and stop a leak, avoid the influence of throttle element installation to running noises, the invention provides a kind of compact structure, throttle element does not take up space in addition, do not increase connection welding, the reliability height, cost is low, noise is little, have by, bidirectional throttle dual functions, the dismountable bidirectional throttle stop valve of screen modules.
The present invention is achieved in that
A kind of bidirectional throttle stop valve that has throttling, ends dual functions, comprise valve body, connecting tube, end spool, cross-peen nut, also comprise fixation type throttle spool, sliding type throttling valve core, valve seat, screen modules, Non-return ring, valve seat and fixation type throttle spool are located on the valve body.
Also can do further perfect by the following technical programs:
Described valve body is provided with sliding cavity and valve pocket, valve seat, fixation type throttle spool, the fixation type throttle spool is provided with the first segment discharge orifice, sliding cavity is equipped with the sliding type throttling valve core, and the sliding type throttling valve core is provided with second throttle orifice, and sliding type throttling valve core periphery is provided with the rib piece.
The aperture of described first segment discharge orifice is greater than the aperture of second throttle orifice.
The rib number of blocks of described sliding type throttling valve core is more than 3.
Described fixation type throttle spool is embedded, and spool is embedded in connecting tube one end, is installed in stop valve import A end with connecting tube, and the fixation type throttle spool is a boss type, closely cooperates with connecting tube, stop valve import A end.
Described fixation type throttle spool is an integral type, and the hole wall of spool and valve body is an one, is positioned at stop valve import A end.
Described fixation type throttle spool is an integral type, and the hole wall of spool and valve body is an one, is positioned at stop valve import B end.
Described bidirectional throttle stop valve has dismountable cross-peen nut and Non-return ring and dismountable sliding type throttling valve core and filter screen.
Described bidirectional throttle stop valve has fluorinfused nozzle.
The spool that the present invention will be provided with throttle orifice embeds valve body or is integrated in the throttling function that realizes air-conditioning system on the valve body, need not to connect separately flow controller, reduces consumption of materials, reduces cost; Need not to weld flow controller and stop valve, it is more reliable to work; Throttle element does not take up space in addition, helps the air-conditioning miniaturization; Simplified the connection of air-conditioning system pipeline greatly, the noise that flow controller vibration produces when having avoided operation of air conditioner, the noise that throttling produces in stop valve is also absorbed by outdoor connecting tube, the big problem of noise when having solved existing operation of air conditioner.Open cross-peen nut and Non-return ring, can take out filter screen and sliding type throttling valve core, can clean dirty and replacing sliding type throttling valve core on the filter screen.
Description of drawings
Fig. 1 is the structural representation when not heating the circulation throttling with fluorinfused nozzle bidirectional throttle stop valve embodiment 1;
Structural representation when Fig. 2 heats the circulation throttling for band fluorinfused nozzle bidirectional throttle stop valve embodiment 1;
Fig. 3 is not with fluorinfused nozzle bidirectional throttle stop valve embodiment 2 structural representation when heating the circulation throttling;
Structural representation when Fig. 4 heats the circulation throttling for band fluorinfused nozzle bidirectional throttle stop valve embodiment 2;
Fig. 5 is the structural representation when not heating the circulation throttling with fluorinfused nozzle bidirectional throttle stop valve embodiment 3;
Structural representation when Fig. 6 heats the circulation throttling for band fluorinfused nozzle bidirectional throttle stop valve embodiment 3;
The structural representation of Fig. 7 for the time not with fluorinfused nozzle bidirectional throttle stop valve embodiment 1 refrigeration cycle throttling;
Fig. 8, Fig. 9 are the structural representation of sliding type throttling valve core.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
Shown in Fig. 1～7, a kind of bidirectional throttle stop valve that has throttling, ends dual functions, comprise valve body 1, connecting tube 7, end spool 9, cross-peen nut 13, also comprise fixation type throttle spool 6, sliding type throttling valve core 4, valve seat 5, screen modules 3, Non-return ring 14, valve seat 5 and fixation type throttle spool 6 are located on the valve body 1.
Shown in Fig. 1～7, described valve body 1 is provided with sliding cavity 2 and valve pocket 8, valve seat 5, fixation type throttle spool 6, fixation type throttle spool 6 is provided with first segment discharge orifice 61, sliding cavity 2 is equipped with sliding type throttling valve core 4, sliding type throttling valve core 4 is provided with second throttle orifice 42, and sliding type throttling valve core 4 peripheries are provided with rib piece 41.
Shown in Fig. 1～7, the aperture of described first segment discharge orifice is greater than the aperture of second throttle orifice.
As shown in Figure 8, rib piece 41 quantity of described sliding type throttling valve core 4 are more than 3.
Shown in Fig. 1,2,7, described fixation type throttle spool 6 is embedded, and spool 6 is embedded in connecting tube 7 one ends, is installed in stop valve import A end 12 with connecting tube 7, fixation type throttle spool 6 is a boss type, closely cooperates with connecting tube 7, stop valve import A end 12.
Shown in Fig. 3,4, described fixation type throttle spool 6 is an integral type, and spool 6 is an one with the hole wall of valve body 1, is positioned at stop valve import A end 12.
Shown in Fig. 5,6, described fixation type throttle spool 6 is an integral type, and spool 6 is an one with the hole wall of valve body 1, is positioned at stop valve import B end 11.
Shown in Fig. 1～6, described bidirectional throttle stop valve has dismountable cross-peen nut and Non-return ring and dismountable sliding type throttling valve core and filter screen.
Shown in Fig. 2,4,6, described throttling stop valve has fluorinfused nozzle 10.
For further understanding the structure and the working principle of fixation type throttle stop valve, be described further below in conjunction with the working procedure of drawings and Examples to throttling stop valve.
Referring to accompanying drawing 1,2, when heat pump type air conditioning system heats work, refrigeration agent enters from stop valve import B end 11, after screen modules 3 filtrations, the refrigeration agent of cleaning enters sliding cavity 2, promotes sliding type throttling valve core 4 and moves downward, make the rounded corner of sliding type throttling valve core 4 be close to the conical surface 51 of integral type valve seat 5, make sliding cavity 2 closures, force refrigeration agent after 42 throttlings of second throttle orifice, to enter valve pocket 8, after 61 throttlings of first segment discharge orifice, flow out again.The diameter of the first segment discharge orifice 61 and second throttle orifice 42 and length guarantee that according to the required flow precise design of heating condition and processing the refrigeration agent that passes through reaches specified flow, realizes the specified refrigeration efficiency of heat pump type air conditioning system.When air-conditioning needs to check, during maintenance, only need just can play function by refrigeration agent according to existing stop valve using method.
Referring to accompanying drawing 7, during the heat pump type air conditioning system refrigeration work, refrigeration agent enters stop valve import A end 12 from connecting tube 7, the existence of fixation type throttle spool 6 forces refrigeration agent to enter valve pocket 8 after 61 throttlings of first segment discharge orifice, promoting sliding type throttling valve core 4 moves upward, the rib piece 41 of sliding type throttling valve core 4 peripheries is subjected to the upper end of uuper valve chamber 2 spacing, and refrigeration agent filters the back through screen modules 3 and flows out by by the bypass path that forms between the adjacent ribs piece 41 and second throttle orifice 42.The diameter of first segment discharge orifice 61 and length guarantee that according to the required flow precise design of cooling condition and processing the refrigeration agent that passes through reaches specified flow, realizes the specified refrigeration efficiency of heat pump type air conditioning system.When air-conditioning needs to check, during maintenance, only need just can play function by refrigeration agent according to existing stop valve using method.
Referring to accompanying drawing 3,4, when heat pump type air conditioning system heats work, refrigeration agent enters from stop valve import B end 11, after screen modules 3 filtrations, the refrigeration agent of cleaning enters uuper valve chamber 2, promotes sliding type throttling valve core 4 and moves downward, make the rounded corner of sliding type throttling valve core 4 be close to the conical surface 51 of integral type valve seat 5, make sliding cavity 2 closures, force refrigeration agent after 42 throttlings of second throttle orifice, to enter valve pocket 8, after 61 throttlings of first segment discharge orifice, flow out again.The diameter of the first segment discharge orifice 61 and second throttle orifice 42 and length guarantee that according to the required flow precise design of heating condition and processing the refrigeration agent that passes through reaches specified flow, realizes the specified refrigeration efficiency of heat pump type air conditioning system.When air-conditioning needs to check, during maintenance, only need just can play function by refrigeration agent according to existing stop valve using method.
Referring to accompanying drawing 3,4, the position of sliding type throttling valve core 4 as shown in Figure 7 during the heat pump type air conditioning system refrigeration work, refrigeration agent enters stop valve import A end 12 from connecting tube, the existence of fixation type throttle spool 6 forces refrigeration agent to enter valve pocket 8 after 61 throttlings of first segment discharge orifice, promoting sliding type throttling valve core 4 moves upward, the rib piece 41 of sliding type throttling valve core 4 peripheries and the last end in contact of uuper valve chamber 2, refrigeration agent filters the back through screen modules 3 and flows out by by the bypass path that forms between the adjacent ribs piece 41.The diameter of first segment discharge orifice 61 and length guarantee that according to the required flow precise design of cooling condition and processing the refrigeration agent that passes through reaches specified flow, realizes the specified refrigeration efficiency of heat pump type air conditioning system.When air-conditioning needs to check, during maintenance, only need just can play function by refrigeration agent according to existing stop valve using method.
Referring to accompanying drawing 5,6, when heat pump type air conditioning system heats work, refrigeration agent enters from stop valve import B end 11, after screen modules 3 filtrations, the refrigeration agent of cleaning enters uuper valve chamber 2, promotes sliding type throttling valve core 4 and moves downward, make the rounded corner of sliding type throttling valve core 4 be close to the conical surface 51 of integral type valve seat 5, make uuper valve chamber 2 closures, force refrigeration agent after 42 throttlings of second throttle orifice, after first segment discharge orifice 61 flows into valve pocket 8, connecting tube 7, flow out.The diameter of the first segment discharge orifice 61 and second throttle orifice 42 and length guarantee that according to the required flow precise design of heating condition and processing the refrigeration agent that passes through reaches specified flow, realizes the specified refrigeration efficiency of heat pump type air conditioning system.When air-conditioning needs to check, during maintenance, only need just can play function by refrigeration agent according to existing stop valve using method.
Referring to accompanying drawing 5,6, the position of sliding type throttling valve core 4 as shown in Figure 7 during the heat pump type air conditioning system refrigeration work, refrigeration agent enters valve pocket 8 from connecting tube 7, the existence of fixation type throttle spool 6 forces refrigeration agent to enter sliding cavity 2 after 61 throttlings of first segment discharge orifice, promoting sliding type throttling valve core 4 moves upward, the rib piece 41 of sliding type throttling valve core 4 peripheries and the last end in contact of uuper valve chamber 2, refrigeration agent filters the back through screen modules 3 and flows out by by the bypass path that forms between the adjacent ribs piece and second throttle orifice 42.The diameter of first segment discharge orifice 61 and length guarantee that according to the required flow precise design of cooling condition and processing the refrigeration agent that passes through reaches specified flow, realizes the specified refrigeration efficiency of heat pump type air conditioning system.When air-conditioning needs to check, during maintenance, only need just can play function by refrigeration agent according to existing stop valve using method.
More reasonable for guaranteeing refrigeration cycle and heating the circuit refrigerant flow, the aperture of first segment discharge orifice is greater than second throttle orifice.
Claims (9)
1, a kind of bidirectional throttle stop valve that has throttling, ends dual functions, it is characterized in that described bidirectional throttle stop valve comprises valve body, connecting tube, ends spool, cross-peen nut, also comprise fixation type throttle spool, sliding type throttling valve core, valve seat, screen modules, Non-return ring, described valve seat and fixation type throttle spool are located on the valve body.
2, according to the described bidirectional throttle stop valve of claim 1, it is characterized in that described valve body is provided with sliding cavity and valve pocket, valve seat, fixation type throttle spool, the fixation type throttle spool is provided with the first segment discharge orifice, sliding cavity is equipped with the sliding type throttling valve core, the sliding type throttling valve core is provided with second throttle orifice, and sliding type throttling valve core periphery is provided with the rib piece.
3,, it is characterized in that the aperture of the aperture of described first segment discharge orifice greater than second throttle orifice according to the described bidirectional throttle stop valve of claim 2.
4, according to the described bidirectional throttle stop valve of claim 1, the rib number of blocks that it is characterized in that described sliding type throttling valve core is more than 3.
5, according to the described bidirectional throttle stop valve of claim 1, it is characterized in that described fixation type throttle spool is embedded, spool is embedded in connecting tube one end, be installed in stop valve import A end with connecting tube, the fixation type throttle spool is a boss type, closely cooperates with connecting tube, stop valve import A end.
6, according to the described bidirectional throttle stop valve of claim 1, it is characterized in that described fixation type throttle spool is an integral type, the hole wall of spool and valve body is an one, is positioned at stop valve import A end.
7, according to the described bidirectional throttle stop valve of claim 1, it is characterized in that described fixation type throttle spool is an integral type, the hole wall of spool and valve body is an one, is positioned at stop valve import B end.
8,, it is characterized in that described bidirectional throttle stop valve has dismountable cross-peen nut and Non-return ring and dismountable sliding type throttling valve core and filter screen according to the described bidirectional throttle stop valve of claim 1.
9,, it is characterized in that described bidirectional throttle stop valve has fluorinfused nozzle according to the described bidirectional throttle stop valve of one of claim 1～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200594594U CN201129466Y (en) | 2007-11-07 | 2007-11-07 | Bidirectional throttling stop valve with throttle and cut-off dual functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200594594U CN201129466Y (en) | 2007-11-07 | 2007-11-07 | Bidirectional throttling stop valve with throttle and cut-off dual functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129466Y true CN201129466Y (en) | 2008-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200594594U Expired - Fee Related CN201129466Y (en) | 2007-11-07 | 2007-11-07 | Bidirectional throttling stop valve with throttle and cut-off dual functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129466Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036106A1 (en) * | 2016-08-26 | 2018-03-01 | 珠海格力电器股份有限公司 | Throttling apparatus and air conditioner |
| CN108571597A (en) * | 2017-03-08 | 2018-09-25 | 浙江三花智能控制股份有限公司 | Throttling stop valve |
| CN113654279A (en) * | 2020-05-12 | 2021-11-16 | 盾安环境技术有限公司 | Flow control device and air conditioning system with same |
-
2007
- 2007-11-07 CN CNU2007200594594U patent/CN201129466Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036106A1 (en) * | 2016-08-26 | 2018-03-01 | 珠海格力电器股份有限公司 | Throttling apparatus and air conditioner |
| CN108571597A (en) * | 2017-03-08 | 2018-09-25 | 浙江三花智能控制股份有限公司 | Throttling stop valve |
| CN113654279A (en) * | 2020-05-12 | 2021-11-16 | 盾安环境技术有限公司 | Flow control device and air conditioning system with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20091207 |