CN208935470U - A kind of one-way throttle valve - Google Patents

A kind of one-way throttle valve Download PDF

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Publication number
CN208935470U
CN208935470U CN201821423324.6U CN201821423324U CN208935470U CN 208935470 U CN208935470 U CN 208935470U CN 201821423324 U CN201821423324 U CN 201821423324U CN 208935470 U CN208935470 U CN 208935470U
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CN
China
Prior art keywords
valve
cavity
air flue
way throttle
throttle valve
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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.)
Withdrawn - After Issue
Application number
CN201821423324.6U
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Chinese (zh)
Inventor
段振魁
周威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Wangao Industry Polytron Technologies Inc
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Beijing Wangao Industry Polytron Technologies Inc
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Priority to CN201821423324.6U priority Critical patent/CN208935470U/en
Application granted granted Critical
Publication of CN208935470U publication Critical patent/CN208935470U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to air pressure processing elements, specifically provide a kind of one-way throttle valve, comprising: valve body, interior to have cavity, cavity includes the first cavity, the second cavity and the first air flue, and valve body offers the second air flue;Throttling valve core is installed in the first cavity, for adjusting the gas flow of the first air flue;Nonreturn valve core, it is mounted in the second cavity, it includes the plug screw being fixedly connected with the second cavity, there is third cavity in plug screw, third air flue is offered on the wall of third cavity, valve nozzle, valve assembly, spring and limit base are sequentially installed in third cavity, wherein the second air flue, the first air flue, valve nozzle and the gas unidirectional channel of third air flue composition connection.One-way throttle valve provided by the utility model is connected in series using nonreturn valve core and throttling valve core, can both be used alone as check valve or throttle valve, gas source processing mode multiplicity, compact-sized simultaneously, mounting means is simple, is suitable for the higher scene of the degree of integration such as valve island and uses.

Description

A kind of one-way throttle valve
Technical field
The utility model relates to air pressure processing elements, and in particular to a kind of one-way throttle valve.
Background technique
Traditional one-way throttle valve is composed in parallel using common check valve and conventional throttle valve, when medium can be along specific Throttling action from when direction passes through, when medium is back through Shi Zeke free flow.
The one-way throttle valve of this parallel form can not provide specific direction throttling, the connection scheme being reversely not turned on, gas Source processing capacity is insufficient.One-way throttle valve overall dimensions parallel simultaneously are larger, and mounting means is usually connected to again with pipe fitting It is connected with other elements, requires compact-sized mounting location to be unable to satisfy matching requirements some, especially integrates journey at present Exigent valve island technology is spent to be difficult to put into application.
Utility model content
To solve traditional check valve gas source processing capacity deficiency, size-constrained technical problem, the utility model provides one The one-way throttle valve of kind integrated level height, gas source processing mode multiplicity.
One-way throttle valve provided by the utility model, comprising:
Valve body, interior to have cavity, cavity includes the first cavity, the second cavity and the first cavity of connection and the second chamber First air flue of body, valve body offer the second air flue of at least one the first cavity of radial communication;
Throttling valve core, it is adjustable to install in the first cavity, for adjusting the gas flow of the first air flue;
Nonreturn valve core is mounted in the second cavity comprising the plug screw being fixedly connected with the second cavity has the in plug screw Three cavitys, at least one third air flue axially extended is offered on the wall of third cavity, and third air flue and the first air flue connect It is logical, core assembly is installed in third cavity, core assembly be used to open along single direction cut-off, opposite direction third air flue with The connection of first air flue.
Core assembly includes being sequentially arranged at the intracorporal valve nozzle of third chamber, valve assembly, spring and limit base, valve nozzle Be respectively and fixedly installed to third cavity both ends with limit base, valve assembly is slidably mounted in third cavity, one side end face with Valve nozzle is abutted for closing valve nozzle, and another side end face is cooperated by spring and limit base, and spring is applied with direction to valve assembly The elastic force in direction is abutted with valve nozzle, wherein the second air flue, the first air flue, valve nozzle and the gas of third air flue composition connection Half-duplex channel.
Valve nozzle is mounted on one end in third cavity close to the first air flue.
Valve nozzle is mounted on one end in third cavity far from the first air flue.
Throttling valve core is spirally connected in the first cavity, has the diminishing boss in section close to one end of the first air flue, Boss and the first air flue cooperate, and control the gap of the first air flue and boss by adjusting the length of boss the first air flue of screw-in, And then realize throttling.
Valve assembly includes the rubber block with reeded valve frame and insertion valve frame, the upper surface of rubber block and valve nozzle It abuts for closing valve nozzle.
Limit base includes the pedestal and gas port of connection, and the both ends of spring are connected to respectively on valve frame and pedestal, air guide Hole face third air flue.
Through-hole is offered in the middle part of valve frame.
Plug screw is spirally connected with the second cavity, and the junction that is spirally connected is provided with the first sealing ring.
The external screw thread for installation is provided on valve outer wall, male threaded end is provided with the second sealing ring.
The junction that is spirally connected of throttling valve core and the first cavity is provided with third sealing ring.
Second air flue quantity is four.
Third air flue quantity is three.
Technical solutions of the utility model have the following beneficial effects:
1) one-way throttle valve provided by the utility model, valve body include the first cavity and the second cavity, throttling valve core installation In the first cavity, nonreturn valve core is mounted on the second cavity, and throttle valve is connected with check valve, reduces valve volume, keeps valve body integrated Du Genggao, while the gas unidirectional channel of the second air flue, the first air flue, valve nozzle and third air flue composition, gas can be along specific Direction passes through, and opposite direction then close by valve, and one-way throttle valve can be used alone as check valve, can also be used alone as throttle valve, Gas source processing mode is more, meets a variety of mounting locations.
2) one-way throttle valve provided by the utility model, valve nozzle are arranged close to the position of the first air flue, valve assembly, bullet Spring, limit base are successively installed, at this point, gas flow in the second cavity are as follows: gas enters from the second air flue, through the first air flue, valve Mouth, limit base outflow, while realizing the effect of gas unidirectional and/or throttling.
3) one-way throttle valve provided by the utility model, valve nozzle are mounted remotely from the position of the first air flue, valve assembly, bullet Spring, limit base are successively installed, at this point, gas flow in the second cavity are as follows: gas from valve nozzle enter, through limit base, the first air flue, The outflow of second air flue, realization and above-mentioned contrary gas flow, while realizing the effect of gas unidirectional and/or throttling, it is full The a variety of installation requirements of foot.
4) one-way throttle valve provided by the utility model, throttling valve core is spirally connected in the first cavity, close to the first air flue End be provided with round table-like boss, the length that the first air flue is screwed in by adjusting boss controls the gap that gas passes through, It is higher that thread connecting mode user adjusts more convenient and degree of regulation.
5) one-way throttle valve provided by the utility model, valve assembly include rigid valve frame and rubber block flexible, Rubber block and valve nozzle cooperate, and better tightness, rigid valve frame connecting spring avoids valve assembly deformation, while being easy to full Sufficient design requirement.
6) one-way throttle valve provided by the utility model, limit base are set as the pedestal and gas port of internal connection, air guide Hole face third air flue, air inlet is directly introduced third air flue for limit base or gas in future draws third air flue, makes gas flowing more It is unobstructed.
7) one-way throttle valve provided by the utility model, valve frame middle part offer through-hole, rubber and valve frame are avoided to exist Gap generates air pressure when engagement process, influences nonreturn valve core stable conditions.
8) one-way throttle valve provided by the utility model, plug screw and the second cavity are using being spirally connected, and be spirally connected exit setting the One sealing ring guarantees plug screw air-tightness.
9) one-way throttle valve provided by the utility model is provided with external screw thread on valve outer wall, pacifies convenient for one-way throttle valve Channel interior is put into, transit space is reduced, the installation scenario suitable for high integration uses, while threaded connection place is provided with second Sealing ring guarantees air-tightness.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cross-sectional view of the structure according to the one-way throttle valve provided in some embodiments of the utility model;
Fig. 2 is the cross-sectional view of the structure according to the one-way throttle valve provided in other embodiments of the utility model;
Fig. 3 is screw plug structure schematic diagram;
Fig. 4 is limit holder structure schematic diagram;
Description of symbols:
10- valve body;The second air flue of 11-;12- external screw thread;The second sealing ring of 13-;The first air flue of 20-;30- throttling valve core; 31- boss;32- third sealing ring;33- spiral shell cutter groove;41- plug screw;42- third air flue;43- valve nozzle;44- valve assembly;441- Valve frame;442- rubber block;443- through-hole;45- spring;46- limit base;461- pedestal;462- gas port;47- first is sealed Circle
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.In addition, involved in the utility model different embodiments disclosed below Technical characteristic can be combined with each other as long as they do not conflict with each other.
One-way throttle valve provided by the utility model, can be used for adjusting rate-of flow, and simultaneous selection flow of media direction makes Medium unidirectionally passes through valve.
The structure of one-way throttle valve in some embodiments of the utility model is shown in Fig. 1.As shown in Figure 1, this is practical Novel one-way throttle valve includes valve body 10, throttling valve core 30 and nonreturn valve core, has stair-stepping cylindrical type inside valve body 10 Cavity, cavity include the first air flue 20 of the first cavity and the second cavity and both connections setting up and down, are gone back on valve body 10 The second air flue 11 of the first cavity of radial communication is offered, the second air flue 11 can be used as air inlet or gas outlet.First cavity and Throttling valve core 30 and nonreturn valve core are installed respectively, throttling valve core 30 and the first air flue 20 cooperate, and are adjusted first in the second cavity The ventilatory capacity of air flue 20, and then realize throttling action.Nonreturn valve core includes the plug screw 41 being fixedly connected with the second cavity, plug screw 41 There is the third cavity of perforation the third air flue axially extended is offered on the wall of third cavity as shown in Figure 3 for inside 42, it is used for flow of media.Core assembly is installed, core assembly successively includes valve nozzle 43, valve assembly 44, bullet in third cavity Spring 45 and limit base 46, valve nozzle 43 and limit base 46 have the airflow channel of perforation, are respectively and fixedly installed to third cavity Both ends, valve assembly 44 is slidably mounted in third cavity, can move reciprocatingly in third cavity, one side end face and valve Mouth 43 is abutted for closing valve nozzle 43, and another side end face is cooperated by spring 45 and limit base 46, and under normality, spring 45 is to valve Component 44 is applied with the elastic force that direction is abutted towards valve nozzle 43, the second air flue 11, the first air flue 20, valve nozzle 43 and third The gas unidirectional channel of the composition connection of air flue 42.
One-way throttle valve provided by the utility model, throttling valve core 30 and nonreturn valve core series connection in valve body 10, when along specific When direction is connected, throttling can be realized by adjusting throttling valve core 30 or do not throttled, when medium reverse circulated, nonreturn valve core cut-off Flow of media, can individually make throttle valve or check valve uses, and can also realize that the two is used in series, gas source processing mode multiplicity, The two series connection simultaneously keeps 10 integrated level of valve body higher, and volume reduces, and use is arranged on the valve island required suitable for high integration.
In some embodiments, as shown in Figure 1, valve nozzle 43 is mounted at the first air flue 20, valve is successively installed in lower section Component 44, spring 45, limit base 46 can be controlled into the by throttling valve core 30 at this point, flows into from the second air flue 11 when air-flow The gas flow of one air flue 20, valve assembly 44 overcome 45 elastic force of spring to move down, at this time valve assembly under gas pressure effect 44 separate with valve nozzle 43, and air-flow is flowed out along the third air flue 42 and limit base 46 being provided on 41 inner wall of plug screw, form access;When When air-flow is flowed into from limit base 46, since valve assembly 44 is closed under the effect of spring 45 with valve nozzle 43, gas open circuit at this time.I.e. Nonreturn valve core forms the one-way gas flow channel from the second air flue 11 to limit base 46.
In other embodiments, as shown in Fig. 2, valve nozzle 43 is mounted on one of third cavity far from the first air flue 20 Valve assembly 44, spring 45, limit base 46 are successively installed in end, top, at this point, when air-flow is flowed into from the second air flue 11, due to Valve assembly 44 is closed under the effect of spring 45 with valve nozzle 43, at this time gas open circuit;When air-flow is flowed into from valve nozzle 43, valve group Part 44 overcomes 45 elastic force of spring to move up under gas pressure, and valve assembly 44 is separated with valve nozzle 43 at this time, and air-flow is along plug screw 41 Third air flue 42 and limit base 46 on wall flow into the first air flue 20, can control the first air flue 20 by throttling valve core 30 and gas is discharged Body flow, air-flow are flowed out from the second air flue 11 in turn, form the one-way throttle access of connection.I.e. nonreturn valve core is formed from valve nozzle 43 To the one-way gas flow channel of the second air flue 11.
In a specific embodiment, the second air flue 11 is four along circumferential be arranged symmetrically of valve body 10, four the second gas Road 11 can be used as air inlet or gas outlet simultaneously.
By the setting of above two nonreturn valve core, one-way throttle valve provided by the utility model can realize both direction Airflow direction switching, meets a variety of installation requirements.In an illustrative implementation, the second air flue 11 is circumferential symmetrical along valve body 10 Four are set as, four the second air flues 11 can be used as air inlet or gas outlet simultaneously, and the one-way throttle valve of the utility model can be real Now throttle simultaneously to multiple air inlets or multiple gas outlets.
As shown in Figure 1 and Figure 2, in some embodiments, throttling valve core 30 is mounted on the first cavity using threaded connection It is interior, there is the diminishing boss 31 in section close to one end of the first air flue 20, boss 31 and the first air flue 20 cooperate, pass through It adjusts boss 31 and screws in the length of the first air flue 20 to control the gap of the first air flue 20 and boss 31, to realize that throttling is made With.Preferably, 30 upper surface of throttling valve core offers the spiral shell cutter groove 33 of a word, and user can rotate spiral shell cutter groove 33 by tool and adjust The boss 31 of adjusting spool screws in the length of the first air flue 20.Preferably, the end face setting that adjusting spool is connect with the first cavity There is third sealing ring 32, guarantees the air-tightness of the first cavity.
In some embodiments, valve assembly 44 includes that the reeded valve frame 441 of tool and insertion are mounted in groove Rubber block 442, the upper surface of rubber block 442 abuts with valve nozzle 43 for closing valve nozzle 43, flexible rubber block 442 and valve nozzle 43 It abuts so that 43 air-tightness of valve nozzle is more preferable.Preferably, through-hole 443 is offered in the middle part of valve frame 441, gas is avoided to enter rubber block 442 with the assembly gap of valve frame 441, influence to cooperate precision, guarantee 44 stable conditions of valve assembly.
As shown in figure 4, in some embodiments, limit base 46 includes the pedestal 461 and gas port 462 of connection, spring 45 both ends are connected to respectively on valve frame 441 and pedestal 461, and 462 face third air flue 42 of gas port is arranged, and gas port 462 is used In by air-flow introduce third air flue 42.As shown in figure 3, in a preferred embodiment, being arranged on third cavity wall circumferentially It is evenly arranged with three third air flues 42.
Preferably, it is provided with the external screw thread 12 for installation on 10 outer wall of valve body, is mounted on pipeline convenient for one-way throttle valve It is interior, simplify mounting structure, improve the degree of integration of pipe valve, 12 end of external screw thread is provided with the second sealing ring 13, guarantees valve body 10 Air-tightness is installed.
Preferably, plug screw 41 is spirally connected with the second cavity, and the junction that is spirally connected is provided with the first sealing ring 47.
One-way throttle valve provided by the utility model is connected in series using nonreturn valve core and throttling valve core 30, both can be independent As check valve, it can also be used alone as throttle valve, gas source processing mode is various, while compact-sized, and mounting means is simple, is suitable for The higher scene of the degree of integration such as valve island uses.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (10)

1. a kind of one-way throttle valve characterized by comprising
Valve body (10), in there is cavity, the cavity includes the first cavity, the second cavity and the first cavity of connection and the The first air flue (20) of two cavitys, the valve body (10) offer the second air flue of the first cavity described at least one radial communication (11);
Throttling valve core (30), it is adjustable to be mounted in first cavity, for adjusting the gas flow of first air flue;
Nonreturn valve core is mounted in second cavity comprising the plug screw (41) being fixedly connected with second cavity, it is described There is third cavity in plug screw (41), offer at least one third air flue axially extended on the wall of the third cavity (42), the third air flue (42) is connected to first air flue (20), is equipped with core assembly in the third cavity, described Core assembly is used to open the company of the third air flue (42) and first air flue (20) along single direction cut-off, opposite direction It is logical.
2. one-way throttle valve according to claim 1, which is characterized in that
The core assembly include be sequentially arranged at the intracorporal valve nozzle of third chamber (43), valve assembly (44), spring (45) and Limit base (46), the valve nozzle (43) and the limit base (46) are respectively and fixedly installed to third cavity both ends, the work Door component (44) is slidably mounted in the third cavity, and one side end face is abutted with the valve nozzle (43) for closing the valve Mouth (43), another side end face are cooperated by the spring (45) and the limit base (46), and the spring (45) is to valve assembly (44) it is applied with towards the elastic force for abutting direction with the valve nozzle (43), wherein second air flue (11), the first air flue (20), the gas unidirectional channel of valve nozzle (43) and third air flue (42) composition connection.
3. one-way throttle valve according to claim 2, which is characterized in that
The valve nozzle (43) is mounted on one end in the third cavity close to first air flue (20).
4. one-way throttle valve according to claim 3, which is characterized in that
The valve nozzle (43) is mounted on one end in the third cavity far from first air flue (20).
5. one-way throttle valve according to claim 3 or 4, which is characterized in that
The throttling valve core is screwed onto first cavity, has section gradually close to one end of first air flue (20) The boss (31) of diminution, the boss (31) and the first air flue (20) cooperate, and screw in described the by adjusting the boss (31) The length of one air flue (20) controls the gap of first air flue (20) and the boss (31), and then realizes throttling.
6. one-way throttle valve according to claim 5, which is characterized in that
The valve assembly (44) includes the rubber block with reeded valve frame (441) and the insertion valve frame (441) (442), the upper surface of the rubber block (442) is abutted with the valve nozzle (43) for closing the valve nozzle (43).
7. one-way throttle valve according to claim 6, which is characterized in that
The limit base (46) includes the pedestal (461) and gas port (462) of connection, and the both ends of the spring (45) abut respectively On the valve frame (441) and the pedestal (461), third air flue (42) described in gas port (462) face.
8. one-way throttle valve according to claim 7, which is characterized in that
The plug screw (41) is spirally connected with second cavity, and the junction that is spirally connected is provided with the first sealing ring (47).
9. one-way throttle valve according to claim 8, which is characterized in that
The external screw thread (12) for installation is provided on valve body (10) outer wall, external screw thread (12) end is provided with second Sealing ring (13).
10. one-way throttle valve according to claim 4, which is characterized in that
The junction that is spirally connected of the throttling valve core and first cavity is provided with third sealing ring (32).
CN201821423324.6U 2018-08-31 2018-08-31 A kind of one-way throttle valve Withdrawn - After Issue CN208935470U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821423324.6U CN208935470U (en) 2018-08-31 2018-08-31 A kind of one-way throttle valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821423324.6U CN208935470U (en) 2018-08-31 2018-08-31 A kind of one-way throttle valve

Publications (1)

Publication Number Publication Date
CN208935470U true CN208935470U (en) 2019-06-04

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Application Number Title Priority Date Filing Date
CN201821423324.6U Withdrawn - After Issue CN208935470U (en) 2018-08-31 2018-08-31 A kind of one-way throttle valve

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109185501A (en) * 2018-08-31 2019-01-11 北京万高众业科技股份有限公司 A kind of one-way throttle valve
CN111595011A (en) * 2020-05-25 2020-08-28 珠海格力电器股份有限公司 One-way throttling device with elastic structure, flow blocking device and air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109185501A (en) * 2018-08-31 2019-01-11 北京万高众业科技股份有限公司 A kind of one-way throttle valve
CN109185501B (en) * 2018-08-31 2024-07-02 北京万高众业科技股份有限公司 One-way throttle valve
CN111595011A (en) * 2020-05-25 2020-08-28 珠海格力电器股份有限公司 One-way throttling device with elastic structure, flow blocking device and air conditioner

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