CN203083222U - Demountable one-way throttle pipe assembly - Google Patents
Demountable one-way throttle pipe assembly Download PDFInfo
- Publication number
- CN203083222U CN203083222U CN201320043814.4U CN201320043814U CN203083222U CN 203083222 U CN203083222 U CN 203083222U CN 201320043814 U CN201320043814 U CN 201320043814U CN 203083222 U CN203083222 U CN 203083222U
- Authority
- CN
- China
- Prior art keywords
- valve core
- pipe assembly
- way throttle
- water conservancy
- conservancy diversion
- 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 - Lifetime
Links
Images
Landscapes
- Valve Housings (AREA)
Abstract
The utility model discloses a demountable one-way throttle pipe assembly which comprises a threaded pipe joint, a butting pipe joint, a throttle piston, a sealing gasket and a nut, wherein the sealing gasket is arranged between the threaded pipe joint and the butting pipe joint, and the nut penetrates through the butting pipe joint in a sleeved mode. The throttle piston comprises a throttle valve core and flow diversion ridges, wherein the flow diversion ridges are circularly distributed along the periphery of the throttle valve core, a fluid flow channel is arranged between every two adjacent flow diversion ridges, an annular clamping groove is formed in a circular table end face of the throttle valve core outside the flow diversion ridges, a sealing gasket is arranged inside the annular clamping groove, and a hole-shaped channel is arranged on a central axis of the throttle valve core. According to the throttle pipe assembly, flow control and pressure control are carried out on a pipeline through a throttle piston method, a sealing effect is obvious, reverse breakover is smooth, the structure is simple, cost is low, and the demountable one-way throttle pipe assembly is convenient to mount and dismount.
Description
Technical field
The utility model relates to the choke valve field, relates in particular to a kind of dismantled and assembled one-way throttle pipe assembly that is used for the air conditioner refrigerating process.
Background technology
Orifice union is the significant components in the refrigerating plant, and it mainly acts on is to realize the throttling of condensing pressure to evaporating pressure, the flow of control refrigerator.Though it is the orifice union volume is less relatively, very big for the work quality influence of whole refrigeration system.
The throttle part of air-conditioning mainly adopts capillary, heating power expansion valve and electric expansion valve at present, not only cost is higher to adopt these three kinds of modes, and all needs to adopt the mode that freezes in installation and the replacing process, and operating process is loaded down with trivial details time-consuming, in addition, also there is following defective:
Capillary: caliber is thinner, easily produces distortion and clogging in installation and the use, influences normal throttling function.
Heating power expansion valve: structure is comparatively complicated, and stability is not high, needs to re-use after the accurate calibration, and reliability is not high.
Electric expansion valve: need accessories such as pressure sensor, temperature sensor during use, need coding that it is controlled, form the device relative complex, mostly be electric elements, lack and less stable service life.
Chinese patent application numbers 200820048920.0 has been announced a kind of removable one-way throttle valve, the valve body of this one-way throttle valve connects two joints by nut and constitutes, slide in the cavity that spool can form between two joints, two joints rely on the cone match double polarizing keys to realize sealing.This one-way throttle valve can be realized mounting or dismounting easily, in air conditioner performance matching test process, is convenient to change the spool in different apertures, takes place dirtyly when stifled at air conditioning pipe system, is convenient to clean.
Because the seal process of above-mentioned one-way throttle valve directly contacts formation by two metal elements, the goodness of fit of two metal elements contact is had relatively high expectations, be prone to poorly sealed problem.In addition, by valve core structure as can be seen, the fluid passage conducting that the cold-producing medium reverse flow only becomes by three guiding prismatics, defective such as it is not smooth to be prone to reverse-conducting, and flow deviation is bigger.
Summary of the invention
For overcoming the poorly sealed of existing orifice union, reverse-conducting is not smooth, flow deviation is bigger, is prone to defectives such as obstruction and complex installation process, and technical problem to be solved in the utility model is to propose a kind of removable one-way throttle pipe assembly, adopt the mode of flow check piston that pipeline is carried out flow-control and pressure control, not only sealing effectiveness is obvious, and reverse-conducting is smooth and easy, and simple in structure, with low cost, be convenient to install and dismounting.
For reaching this purpose, the utility model by the following technical solutions:
A kind of removable one-way throttle pipe assembly, comprise screwed pipe joint, butt tube joint, flow check piston, be located at the gasket seal between described screwed pipe joint and the described butt tube joint and be set in nut on the described butt tube joint, described flow check piston comprises throttling valve core and along the water conservancy diversion rib of the peripheral rounded distribution of described throttling valve core, is provided with the fluid passage between the adjacent described water conservancy diversion rib.
Further, an end face of an end face of described screwed pipe joint, described butt tube, and the interior lumen three of described screwed pipe joint constitute the piston tube chamber, described flow check piston and described piston tube chamber are slidingly matched.
Further, the part of described throttling valve core is positioned at described water conservancy diversion rib outside, and its another part is wrapped in the described water conservancy diversion rib, and the two ends of described throttling valve core are truncated cone-shaped.
Further, an end of described screwed pipe joint is provided with conical bore, and the taper seat of described conical bore is complementary with the profile of the truncated cone-shaped end face of the described throttling core valve that is positioned at described water conservancy diversion rib outside, forms sealing pair.
Further, the truncated cone-shaped end face that is positioned at the described throttling core valve of described water conservancy diversion rib outside is provided with the ring-type draw-in groove, is provided with gasket seal in the described ring-type draw-in groove.
Further, place, the axis of described throttling valve core is provided with poroid passage.
Further, described screwed pipe joint and described butt tube joint are fastenedly connected by described nut, constitute described piston tube chamber.
Further, be wrapped in the diameter of the diameter of the described throttling valve core in the described water conservancy diversion rib greater than the described throttling valve core that is positioned at described water conservancy diversion rib outside.
Be preferably, the end that is positioned at the described throttling valve core of described water conservancy diversion rib outside is a hemisphere.
Be preferably, the end that is positioned at the described throttling valve core of described water conservancy diversion rib outside is a cylinder, and the edge of described cylindrical end face circle is provided with chamfering.
The beneficial effects of the utility model are: this throttle pipe assembly adopts the mode of flow check piston that pipeline is carried out flow-control and pressure control, has not only simplified the structure of throttle pipe assembly, and has strengthened the convenience in installation and the unloading process; By on flow check piston, having set up gasket seal, strengthened the sealing effectiveness of orifice union; By making up rational counter fluid passage, make that the refrigerator reverse-conducting is smooth and easy, reduce the possibility of pipeline blockage; In addition, this throttle pipe assembly also has characteristics such as with low cost, easy-maintaining.
Description of drawings
Fig. 1 is the decomposing schematic representation of a kind of removable one-way throttle pipe assembly that provides of the utility model specific embodiment;
Fig. 2 is the cutaway view of a kind of removable one-way throttle pipe assembly that provides of the utility model specific embodiment;
Fig. 3 is the front view of the flow check piston that embodiment 1 provides in the utility model specific embodiment;
Fig. 4 is the upward view of the flow check piston that embodiment 1 provides in the utility model specific embodiment;
Fig. 5 is the front view of the flow check piston that embodiment 2 provides in the utility model specific embodiment;
Fig. 6 is the front view of the flow check piston that embodiment 3 provides in the utility model specific embodiment.
Among the figure:
1, screwed pipe joint; 2, butt tube joint; 3, nut; 4, flow check piston; 5, gasket seal; 6, throttling valve core; 7, water conservancy diversion rib; 8, fluid passage; 9, piston tube chamber; 10, conical bore; 11, truncated cone-shaped end face; 12, ring-type draw-in groove; 13, gasket seal; 14, poroid passage; 15, hemisphere; 16, cylinder; 17, chamfering.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by the specific embodiment.
A kind of removable one-way throttle pipe assembly comprises screwed pipe joint 1, butt tube joint 2, flow check piston 4, is located at the gasket seal 5 between screwed pipe joint 1 and the butt tube joint 2 and is set in nut 3 on the butt tube joint 2.Screwed pipe joint 1 is fastenedly connected by nut 3 with butt tube joint 2, is convenient to install and maintenance.
The left side of the right side of screwed pipe joint 1, butt tube 2, and the interior lumen three of screwed pipe joint 1 constitute piston tube chamber 9.Flow check piston 4 slides in piston tube chamber 9, because the effect of refrigerant fluid pressure, when making flow of refrigerant, flow check piston 4 can't be positioned at somewhere, piston tube chamber 9 middle part, the place, two ends of piston tube chamber 9 be can only be positioned at, the right side of screwed pipe joint 1 or the left side of butt tube 2 are close to.
As shown in Figure 2, flowing left with refrigerator is forward.
The right-hand member of throttling valve core 6 is truncated cone-shaped.When the cold-producing medium reverse flow, under the effect of refrigerant fluid pressure, the left side or the gasket seal 5 of butt tube 2 is close in the right side of flow check piston 4, because place, the right side of throttling valve core 6 is truncated cone-shaped, make the endoporus conducting of fluid passage 8 and butt tube 2, form continuous counter fluid passage, can effectively strengthen the fluency of cold-producing medium reverse flow.
One end of screwed pipe joint 1 is provided with conical bore 10, the taper seat of conical bore 10 is complementary with the profile of the truncated cone-shaped end face 11 of the throttling core valve 6 that is positioned at water conservancy diversion rib 7 outsides, so be wrapped in the diameter of the diameter of the throttling valve core 6 in the water conservancy diversion rib 7 greater than the throttling valve core 6 that is positioned at water conservancy diversion rib 7 outsides, to strengthen the effect of forward throttling, guarantee in the forward throttling process that cold-producing medium can't flow into conical bore 10 by fluid passage 8.The truncated cone-shaped end face 11 that is positioned at the throttling core valve 6 of water conservancy diversion rib 7 outsides is provided with ring-type draw-in groove 12, is provided with gasket seal 13 in the ring-type draw-in groove 12, and the effect of gasket seal 13 is to strengthen the sealing effectiveness of forward throttling.
Place, throttling valve core 6 axis is provided with poroid passage 14.When the cold-producing medium forward flow, under the effect of refrigerant fluid pressure, truncated cone-shaped end face 11 and on gasket seal 13 be close to conical bore 10 hole faces, make cold-producing medium to flow into conical bores 10 from piston tube chamber 9 by flow check piston 4 peripheries.Therefore, in the forward throttling process, cold-producing medium can only flow into conical bore 10 from piston tube chamber 9 by poroid passage 14, because poroid passage 14 calibers are thinner, thereby has realized the one-way throttle of throttle pipe assembly.
A kind of removable one-way throttle pipe assembly comprises screwed pipe joint 1, butt tube joint 2, flow check piston 4, is located at the gasket seal 5 between screwed pipe joint 1 and the butt tube joint 2 and is set in nut 3 on the butt tube joint 2.
The end that is positioned at the throttling valve core 6 of water conservancy diversion rib 7 outsides is a hemisphere 15.When the cold-producing medium forward flow, under the effect of refrigerant fluid pressure, hemisphere 15 and on gasket seal 13 be close to conical bore 10 hole faces, make cold-producing medium to flow into conical bores 10 from piston tube chamber 9, thereby realized the one-way throttle of throttle pipe assembly by poroid passage 14.
A kind of removable one-way throttle pipe assembly comprises screwed pipe joint 1, butt tube joint 2, flow check piston 4, is located at the gasket seal 5 between screwed pipe joint 1 and the butt tube joint 2 and is set in nut 3 on the butt tube joint 2.
The end that is positioned at the throttling valve core 6 of water conservancy diversion rib 7 outsides is a cylinder 16, and the edge of the end face circle of cylinder 16 is provided with chamfering 17.When the cold-producing medium forward flow, under the effect of refrigerant fluid pressure, chamfering 17 and on gasket seal 13 be close to conical bore 10 hole faces, make cold-producing medium to flow into conical bores 10 from piston tube chamber 9, thereby realized the one-way throttle of throttle pipe assembly by poroid passage 14.
Below only the utility model is illustrated, but the utility model is not limited to above-mentioned size and outward appearance illustration, more should not constitute any restriction of the present utility model with embodiment.As long as any improvement or modification that the utility model is done all belong within the protection domain of the utility model claim opinion.
Claims (10)
1. removable one-way throttle pipe assembly, comprise screwed pipe joint (1), butt tube joint (2), flow check piston (4), be located at the gasket seal (5) between described screwed pipe joint (1) and the described butt tube joint (2) and be set in nut (3) on the described butt tube joint (2), it is characterized in that: described flow check piston (4) comprises throttling valve core (6) and along the water conservancy diversion rib (7) of the peripheral rounded distribution of described throttling valve core (6), is provided with fluid passage (8) between the adjacent described water conservancy diversion rib (7).
2. one-way throttle pipe assembly according to claim 1, it is characterized in that, one end face of one end face of described screwed pipe joint (1), described butt tube (2), and the interior lumen three of described screwed pipe joint (1) constitute piston tube chamber (9), described flow check piston (4) is slidingly matched with described piston tube chamber (9).
3. one-way throttle pipe assembly according to claim 1 is characterized in that, the part of described throttling valve core (6) is positioned at described water conservancy diversion rib (7) outside, and its another part is wrapped in the described water conservancy diversion rib (7).
4. one-way throttle pipe assembly according to claim 3, it is characterized in that, one end of described screwed pipe joint (1) is provided with conical bore (10), and the profile of the truncated cone-shaped end face (11) of the described throttling core valve (6) that the taper seat of described conical bore (10) is outside with being positioned at described water conservancy diversion rib (7) is complementary.
5. one-way throttle pipe assembly according to claim 3, it is characterized in that, the truncated cone-shaped end face (11) that is positioned at the outside described throttling core valve (6) of described water conservancy diversion rib (7) is provided with ring-type draw-in groove (12), is provided with gasket seal (13) in the described ring-type draw-in groove (12).
6. one-way throttle pipe assembly according to claim 1 is characterized in that, the place, axis of described throttling valve core (6) is provided with poroid passage (14).
7. one-way throttle pipe assembly according to claim 2 is characterized in that, described screwed pipe joint (1) is fastenedly connected by described nut (3) with described butt tube joint (2).
8. one-way throttle pipe assembly according to claim 3 is characterized in that, the diameter that is wrapped in the described throttling valve core (6) in the described water conservancy diversion rib (7) is greater than the diameter that is positioned at the outside described throttling valve core (6) of described water conservancy diversion rib (7).
9. one-way throttle pipe assembly according to claim 3 is characterized in that, the end that is positioned at the outside described throttling valve core (6) of described water conservancy diversion rib (7) is hemisphere (15).
10. one-way throttle pipe assembly according to claim 3, it is characterized in that, the end that is positioned at the outside described throttling valve core (6) of described water conservancy diversion rib (7) is cylinder (16), and the edge of the end face circle of described cylinder (16) is provided with chamfering (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320043814.4U CN203083222U (en) | 2013-01-25 | 2013-01-25 | Demountable one-way throttle pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320043814.4U CN203083222U (en) | 2013-01-25 | 2013-01-25 | Demountable one-way throttle pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083222U true CN203083222U (en) | 2013-07-24 |
Family
ID=48829049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320043814.4U Expired - Lifetime CN203083222U (en) | 2013-01-25 | 2013-01-25 | Demountable one-way throttle pipe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083222U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954081B (en) * | 2014-04-15 | 2016-03-30 | 朱德仲 | A kind of Anti-slip type flow check piston |
| CN107515028A (en) * | 2016-06-17 | 2017-12-26 | 奚勇 | One kind is without backflow rotameter |
| 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 |
-
2013
- 2013-01-25 CN CN201320043814.4U patent/CN203083222U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954081B (en) * | 2014-04-15 | 2016-03-30 | 朱德仲 | A kind of Anti-slip type flow check piston |
| CN107515028A (en) * | 2016-06-17 | 2017-12-26 | 奚勇 | One kind is without backflow rotameter |
| CN107515028B (en) * | 2016-06-17 | 2024-06-11 | 上海尤顺汽车技术有限公司 | Non-reflux rotary flowmeter |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203083222U (en) | Demountable one-way throttle pipe assembly | |
| CN203533996U (en) | One-way throttling valve for air conditioner, multi-branch shunting device and air conditioner refrigerating system | |
| CN202597775U (en) | Power-driven four-way reversing ball valve for air condition | |
| CN102147015A (en) | Rapid water-intake valve | |
| CN204006821U (en) | A kind of current divider and air-conditioning | |
| CN207540202U (en) | Branching unit | |
| CN201599992U (en) | Distributor for refrigerant pipeline | |
| CN104729164A (en) | Throttle-shunt device and air conditioner | |
| CN201463431U (en) | Liquid-adding connector for air conditioner | |
| CN203881011U (en) | Air conditioner liquid distributing device | |
| CN201110679Y (en) | Bidirectional restriction sleeve | |
| CN208040683U (en) | A kind of energy-saving supercharging device | |
| CN202646756U (en) | Refrigeration ball valve | |
| CN203017623U (en) | Nozzle of automatic tracking and positioning jet flow fire extinguishing apparatus | |
| CN203478741U (en) | Flow distributer for air conditioner | |
| CN210374198U (en) | Electronic expansion valve | |
| CN210890412U (en) | Epoxy ceramic corrosion-resistant pipeline for industrial pipeline | |
| CN210242103U (en) | Liquid separation head and assembly thereof | |
| CN204004880U (en) | A kind of ultra high water pressure controlling device | |
| CN104482255A (en) | One-way valve for high-pressure fuel gas long-distance pipeline | |
| CN202420048U (en) | Bidirectional throttling valve | |
| CN201810918U (en) | Quick water intake valve | |
| CN201463428U (en) | Air conditioning flow divider | |
| CN204126900U (en) | Coolant injection pipe | |
| CN204176037U (en) | faucet assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
|
| CX01 | Expiry of patent term |