CN102486238A - One-way valve - Google Patents
One-way valve Download PDFInfo
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- CN102486238A CN102486238A CN2010105740273A CN201010574027A CN102486238A CN 102486238 A CN102486238 A CN 102486238A CN 2010105740273 A CN2010105740273 A CN 2010105740273A CN 201010574027 A CN201010574027 A CN 201010574027A CN 102486238 A CN102486238 A CN 102486238A
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Abstract
The invention provides a one-way valve, which comprises a valve body, a valve core, a spring, a spring seat and an elbow, wherein the valve core is arranged in a valve body; the spring is arranged below the valve core and is used for supporting against the valve core; the spring seat is arranged below the spring and is used for limiting the spring; the elbow is connected to a charging port from the upper end of the valve body; the valve core comprises a valve rod and a valve head arranged at the top end of the valve rod; a spherical crown body is arranged at the top end of the valve head; a first circular truncated cone is arranged below the spherical crown body; a first annular clamping groove is arranged between the spherical crown body and the first circular truncated cone; a sealing ring is sleeved and clamped in the first annular clamping groove; an annular sealing line corresponding to the sealing ring is arranged at the lower end of the elbow connected to the charging port from the upper end of the valve body; the diameter of the sealing line is between the outside diameter of the bottom surface of the spherical crown body and the outside diameter of the sealing ring; and a plurality of connecting columns are inwards convexly arranged inside the valve body and are used for fixedly connecting the spring seat with the lower end of the valve body. The one-way valve provided by the invention has the advantages of reliable sealing and easiness for mounting and dismounting; and in addition, when the one-way valve works, the valve core is not easy to swing and dislocate as well as leak and slip.
Description
Technical field
The present invention relates to a kind of one-way valve, be used for the flow direction of massaging pool or bathing pool control massage with gas.
Background technique
One-way valve is the common components in the conduit pipeline in jacuzzi and pond, is installed on usually on the pipeline between the annular air channel in control box and jacuzzi or pond, is used to control the flow direction of massage with gas, prevents the water backflow in the body of pond.
Chinese patent ZL200920208571.9, name is called in the utility model patent of " one-way valve " that a kind of one-way valve is provided; Like Fig. 1, shown in 2; Comprising valve body 1, being arranged at a end in the valve body 1 is that the mast 21 and the other end are the spring 3 on the mast 21 of the spool 2 of spherical column cap 22, the seal ring 4 that is arranged at valve body 1 top and sheathed and spool 2; The column cap 22 of said spool 2 is a spherical, and said seal ring 4 contacts through the sphere with said spherical column cap 22 and realizes sealing.The top outer rim of said valve body 1 is provided with attachment hole 11, and said attachment hole 11 is preferably tapped hole, can be connected fixing through screw with the bend pipe that is connected to control box 6.Said one-way valve comprises that also one is arranged on the spring fixed seat 5 in the valve body 1; Said spring fixed seat 5 is an integral structure with valve body 1; One hole 51 is arranged at the bottom of spring fixed seat 5, and an end of said spring 3 is resisted against the lower end of spherical column cap 22, the other end pass and mounting board in the lower end in said hole 51; End away from column cap 22 of mast 21 passes said spring 3 and said hole 51; Thereby when the one-way valve stuffiness, be resisted against on the said seal ring 4, realize tight seal at the said spherical column cap 22 of promotion under the elastic force effect of spring 3.When ventilation, gas presses down spool 2, pushes spring 3, and the spherical column cap 22 of spool 2 separates with seal ring 4, and gas gets in the one-way valve, feeds the annular air channel in jacuzzi or pond then through connecting tube.When stopping to ventilate, the elastic force effect of spring 3 is pushed the column cap 22 of spool 2 to seal ring 4, and the slip of column cap 22 spheres contacts with seal ring 4 and realizes sealing, prevents that the water in the body of pond from refluxing.
Above-mentioned one-way valve has following deficiency:
1, realizes in this one-way valve that the structure that seals mainly is arranged on the seal ring 4 on valve body 1 top and the spherical column cap 22 of spool 2 matches; Promptly match through the sphere of the side margin on the seal ring 4 with the spherical column cap 22 of spool 2; The formation line contacts with face, realizes sealing, because the preparation process of sphere is difficult to control; Sphere be difficult to be made rounding, like this will be because of sphere rounding and cause seal ring 4 and spool 2 column caps 22 ball face sealings unreliable and cause the one-way valve backwater not;
2, because valve body 1 and bend pipe 6 are respectively independent structures; When above-mentioned one-way valve making jacuzzi or pond are installed; Need to adopt screw that the bend pipe of valve body and control box is connected, not only need manufacturer to prepare bend pipe and two kinds of component of valve body, manufacturing process steps is more loaded down with trivial details; And the assembling trouble, the also easy situation that joint gas leakage takes place; In addition, in use, the situation of thread abrasion, joint slippage also possibly occur, cause and normally to use;
3, in above-mentioned one-way valve, valve body 1 is an integral structure with spring fixed seat 5, is unfavorable for the maintenance work in later stage; When for example service worker is changed the spool that damages, need valve body and bend pipe be taken apart, remove seal ring again; Could spool be taken out; So not only maintenance procedures is loaded down with trivial details, and also easy abrasion seal ring reduces working life of seal ring; This outer spring 3 is except playing the effect that opens and closes one-way valve; It also plays the support fixation effect to said spool, when to this one-way valve ventilation, when gas presses down spool 2; If gas is inhomogeneous to each site active force of the sphere of spherical column cap 22; Said spool 2 will acutely be vacillated now to the left, now to the right, and when spring 3 resetted, the spherical column cap 22 that waves contacted with seal ring 4 easily and occurs tilting, misplaces; Can cause so poorly sealed tight, spherical column cap 22 is fragile, finally causes one-way valve to damage, can't normally use.
Therefore, need improve existing one-way valve.
Summary of the invention
The object of the present invention is to provide a kind of one-way valve, the integral structure of the trouble that is linked and packed, valve body and the spring fixed seat of, valve body unreliable with the above-mentioned ball face sealing that overcomes existing one-way valve and bend pipe is unfavorable for defectives such as later period maintenance.
One-way valve of the present invention; Comprise valve body, be arranged on spool, spool below in the valve body and be used to push up spring, spring below and be used for spring is carried out the bend pipe that spacing spring seat and valve body upper end are connected to inflation inlet to spool; Said spool comprises valve rod and the set valve head of valve stem tip; Wherein
The top of said valve head is a ball-crown body, and the below of said ball-crown body is provided with one first round platform, also is provided with one first annular slot between the said ball-crown body and first round platform, and a sealing snare is stuck in said first annular slot;
The lower end that said valve body upper end is connected to the bend pipe of inflation inlet is provided with a ring packing line corresponding to said seal ring; The diameter of sealing line is realized sealing to be used for contacting with said seal ring between the external diameter of the external diameter of the bottom surface of said ball-crown body and said seal ring;
The inside of said valve body inwardly convexes with a plurality of attachment posts, is used for spring seat being connected fixing with the lower end of valve body through link.
Further, the structure that is formed in one of said valve body and bend pipe.
Further; First round platform below of said valve head also is provided with second round platform; Be provided with one second annular slot between said second round platform and first round platform, be used for fixing the said upper end to the spring of spool that is used to push up, the external diameter of said second round platform is less than the external diameter of said first round platform.
Further, the end away from valve body of said bend pipe is provided with flange arrangement, and the end outer wall away from bend pipe of said valve body is provided with worm structure.
Further, the quantity of said attachment post is 2-4.
Further, the set-up mode of said attachment post in valve body is for being symmetrical set or evenly being provided with.
Further, the inside of said attachment post is hollow and is provided with screw thread that said link is a retaining screw, spring seat is connected fixing with valve body through the mode that is threaded.
Further; The center of said spring seat is the hollow position-limiting tube of a upper and lower opening; The periphery of said position-limiting tube is provided with a plurality of support plates; Said a plurality of support plate is connected on the support radially jointly, has first groove on the periphery wall of said support, has one in said first groove and is used for the joint that spring seat and valve body removably connect; Have one on the said joint and be used for that link passes and spring seat is connected to the circular hole on the valve body, the quantity of said first groove is identical with the quantity of said attachment post.
Preferably, a side of the contact spring of said support plate have one be used for limit spring second groove.
Among the present invention, " integral structure " is meant integrated single element structure.
Compared with prior art, the invention has the beneficial effects as follows:
1, one-way valve sealing configuration of the present invention is to adopt the ring packing line on the valve body to contact cooperation with the face of seal ring and realize sealing; This fitted seal mode, sealing effect are superior to the mode and the effect of the contact seal of traditional seal ring and column cap sphere; Can overcome that rounding causes the contact seal of sphere and seal ring unreliable owing to traditional spool column cap sphere is made not, thereby improve reliability of products;
2, compare with the preparation process of traditional column cap sphere, the preparation process of the ring packing line on the valve body is more easy;
3, the fixed structure of said one-way valve spool and valve body are to removably connect, can be for convenience detach and install, be convenient to maintenance and maintenance that one-way valve uses the later stage; And can be when one-way valve be ventilated and when one-way valve is not worked; Effectively spool is fixed; Spool can not vacillated now to the left, now to the right; Valve head is accurately resetted with seal ring contact, thus the defective that having avoided existing one-way valve when spring reset, contact with seal ring because spool waves occurs tilting, dislocation finally causes poorly sealed tight, one-way valve damage;
4, the valve body of one-way valve and bend pipe are integrated structures; Preparation process is simple; Assembling is simple; Do not need again with being threaded or Placement such as flange connection links together bend pipe and valve body, and do not have defectives such as existing one-way valve is revealed easily, thread abrasion, joint slippage.
Description of drawings
Fig. 1 is the structural representation of existing one-way valve.
Fig. 2 is the axial section schematic representation of Fig. 1.
Fig. 3 is the structural representation of one-way valve of the present invention.
Fig. 4 is the axial section schematic representation of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, one-way valve sealing configuration of the present invention is done further explain.Should be understood that following examples only are used to the present invention is described but not are used to limit the scope of requirement of the present invention protection.
Like Fig. 3, shown in 4; One-way valve of the present invention; Comprise valve body 100, be arranged on spool 200, spool 200 belows in the valve body 100 and be used to push up spring 300, spring 300 belows and be used for spring 300 is carried out spacing spring seat 400 and valve body 100 upper ends are connected to the inflation inlet bend pipe 500 of (figure does not show) to spool 200; Said spool 200 comprises the set valve head 220 of valve rod 210 and valve rod 210 tops; The top of said valve head 220 is a ball-crown body 221; The below of said ball-crown body 221 is provided with one first round platform 222, also is provided with one first annular slot, 223, one seal rings, 600 covers between the said ball-crown body 221 and first round platform 222 and is stuck in said first annular slot 223.
The lower end that said valve body 100 upper ends are connected to the bend pipe 500 of inflation inlet (figure does not show) is provided with a ring packing line 510 corresponding to said seal ring 600; The diameter of this ring packing line 510 is realized sealing to be used for contacting with said seal ring 600 between the external diameter of the external diameter of the bottom surface of said ball-crown body 221 and said seal ring 600.
First round platform, 222 belows of said valve head 220 also are provided with one second round platform 224; Be provided with one second annular slot 225 between said second round platform 224 and first round platform 222; Being used for fixing said being used to pushes up the upper end to the spring 300 of spool 200, and the external diameter of said second round platform 224 is less than the external diameter of said first round platform 222.
The inside of said valve body 100 inwardly convexes with a plurality of attachment posts 120, is used for spring seat 400 being connected fixing with the lower end of valve body 100 through a connection piece 700.Preferably, the quantity of said attachment post 120 is 2-4, symmetry or evenly setting.Preferably, the inside of said attachment post 120 is hollow and is provided with screw thread that said link 700 is a retaining screw, spring seat 400 is connected fixing with valve body 100 through the mode that is threaded.
Said valve body 100 and the structure that bend pipe 500 is formed in one can adopt the method for for example molding and forming to process.End away from valve body 100 of said bend pipe 500 is provided with flange arrangement 520, is used for being connected with flange connection with said inflation inlet.End outer wall away from bend pipe 500 of said valve body 100 is provided with worm structure 110, is used for being connected to connecting tube (not shown) annular air channel in jacuzzi or pond.The external diameter of said bend pipe 500 is less than the external diameter of valve body 100.
The center of said spring seat 400 is the hollow position-limiting tube 410 of a upper and lower opening, is used for valve rod 210 and passes and can freely slide at said position-limiting tube 410, plays auxiliary spacing said valve rod 210, prevents its wiggly effect when working.The periphery of said position-limiting tube 410 is provided with a plurality of support plates 420.Said a plurality of support plate 420 is connected to a support 430 radially jointly, has a plurality of first grooves 431 on the periphery wall of said support 430, and preferred, the quantity of said first groove 431 is identical with the quantity of said attachment post 120.Has a junction 440 in said first groove 431; Preferably; Said joint 440 in the form of sheets, the center of said joint 440 has a circular hole 441, passes the attachment post 120 that it is connected to spring seat 400 valve body 100 thereby said hole 441 is used for said link 700.The design of said first groove 431 can make the said joint 440 and the area of contact of support 430 increase, and can make said spring seat 400 firm with being connected of valve body 100.One side of the contact spring 300 of said support plate 420 has one second groove 421, help spring 300 spacing, the location and against.
When one-way valve is ventilated; From the massage gas stream of inflation inlet (figure do not show) through bend pipe 500; Press down spool 200 then, push spring 300, the seal ring 600 and the ring packing line 510 of spool 200 are separated; Gas gets in the one-way valve, feeds the annular air channel in jacuzzi or pond then through connecting tube (not shown).When stopping to ventilate, the elastic force effect of spring 300 is pushed spool 200 to ring packing line 510, and ring packing line 510 seals and is resisted against on first round platform 222 through seal ring 600 contact matching, thereby realizes sealing, prevents that the water in the body of pond from refluxing.
The valve body 100 and the bend pipe 500 of one-way valve are integral structure; Its preparation process is simple and convenient; Only need a kind of mould just can produce integrated bend pipe 500 and valve body 100; And the integral structure of the valve body of one-way valve 100 and bend pipe 500 can not leak gas or the defective of joint slippage, and is specious.
On the other hand, when one-way valve was ventilated, gas pressed down spool 200, because valve rod 210 is fixed in the position-limiting tube 410 and can slides freely, valve rod 210 moves down, pressure spring 300.After gas passes through; Under the elastic force effect of spring 300; Spring 300 resets, and valve rod 210 can only slide along position-limiting tube 410 under the fixation of position-limiting tube 410, can be inviolent vacillate now to the left, now to the right; Finally accurately contact with ring packing line 510, overcome existing one-way valve when spring reset, contact with seal ring because spool waves occur tilting, defective that dislocation finally causes poorly sealed tight, one-way valve damage.Simultaneously said spring seat 400 is to removably connect with valve body 100, can be for convenience detach and install, be convenient to maintenance and maintenance that one-way valve uses the later stage.
Claims (9)
1. one-way valve; Comprise valve body, be arranged on spool, spool below in the valve body and be used to push up spring, spring below and be used for spring is carried out the bend pipe that spacing spring seat and valve body upper end are connected to inflation inlet to spool; Said spool comprises valve rod and the set valve head of valve stem tip; It is characterized in that
The top of said valve head is a ball-crown body, and the below of said ball-crown body is provided with one first round platform, also is provided with one first annular slot between the said ball-crown body and first round platform, and a sealing snare is stuck in said first annular slot;
The lower end that said valve body upper end is connected to the bend pipe of inflation inlet is provided with a ring packing line corresponding to said seal ring; The diameter of sealing line is realized sealing to be used for contacting with said seal ring between the external diameter of the external diameter of the bottom surface of said ball-crown body and said seal ring;
The inside of said valve body inwardly convexes with a plurality of attachment posts, is used for spring seat being connected fixing with the lower end of valve body through link.
2. one-way valve as claimed in claim 1 is characterized in that, the structure that said valve body and bend pipe are formed in one.
3. according to claim 1 or claim 2 one-way valve; It is characterized in that; First round platform below of said valve head also is provided with second round platform; Be provided with one second annular slot between said second round platform and first round platform, be used for fixing the said upper end to the spring of spool that is used to push up, the external diameter of said second round platform is less than the external diameter of said first round platform.
4. according to claim 1 or claim 2 one-way valve is characterized in that the end away from valve body of said bend pipe is provided with flange arrangement, and the end outer wall away from bend pipe of said valve body is provided with worm structure.
5. according to claim 1 or claim 2 one-way valve is characterized in that, the quantity of said attachment post is 2-4.
6. according to claim 1 or claim 2 one-way valve is characterized in that, the set-up mode of said attachment post in valve body is for being symmetrical set or evenly being provided with.
7. according to claim 1 or claim 2 one-way valve is characterized in that, the inside of said attachment post is hollow and is provided with screw thread that said link is a retaining screw, spring seat is connected fixing with valve body through the mode that is threaded.
8. according to claim 1 or claim 2 one-way valve; It is characterized in that; The center of said spring seat is the hollow position-limiting tube of a upper and lower opening, and the periphery of said position-limiting tube is provided with a plurality of support plates, and said a plurality of support plates are connected on the support radially jointly; Has first groove on the periphery wall of said support; Have one in said first groove and be used for the joint that spring seat and valve body removably connect, have one on the said joint and be used for that link passes and spring seat is connected to the circular hole on the valve body, the quantity of said first groove is identical with the quantity of said attachment post.
9. one-way valve as claimed in claim 8 is characterized in that, a side of the contact spring of said support plate have one be used for limit spring second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010574027 CN102486238B (en) | 2010-12-06 | 2010-12-06 | One-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010574027 CN102486238B (en) | 2010-12-06 | 2010-12-06 | One-way valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102486238A true CN102486238A (en) | 2012-06-06 |
| CN102486238B CN102486238B (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010574027 Active CN102486238B (en) | 2010-12-06 | 2010-12-06 | One-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102486238B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519570A (en) * | 2019-01-04 | 2019-03-26 | 无锡威孚高科技集团股份有限公司 | Check valve for SCR urea pump |
| CN110185804A (en) * | 2019-05-14 | 2019-08-30 | 佛山一精模具配件有限公司 | A kind of resistance to compression pneumatic jack valve |
| CN112324959A (en) * | 2019-05-05 | 2021-02-05 | 陈炜 | Adjustable valve |
| CN112322468A (en) * | 2020-11-20 | 2021-02-05 | 榆林市食品检验检测中心 | Unidirectional negative pressure adsorption sampling and filtering device and method |
| CN112728231A (en) * | 2021-01-11 | 2021-04-30 | 於汝新 | Novel sleeve with scales |
| CN113958501A (en) * | 2021-11-10 | 2022-01-21 | 安徽江淮汽车集团股份有限公司 | Novel waterproof electric vacuum pump |
| US11976747B2 (en) | 2019-03-20 | 2024-05-07 | Danfoss A/S | Compressor unit with a damped axial check valve for a discharge outlet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4354520A (en) * | 1981-04-22 | 1982-10-19 | Reactor Services International, Inc. | Pressure/demand exhalation valve |
| US20020195147A1 (en) * | 2001-06-22 | 2002-12-26 | Kenneth Nixon | Serviceable check valve |
| CN2826113Y (en) * | 2005-03-16 | 2006-10-11 | 东辉塑胶（上海）有限公司 | Spiral air nozzle |
| CN201401511Y (en) * | 2009-03-25 | 2010-02-10 | 杜忠业 | Quick water supply valve for green lands |
| CN201487312U (en) * | 2009-08-28 | 2010-05-26 | 东辉塑胶（上海）有限公司 | Check valve |
-
2010
- 2010-12-06 CN CN 201010574027 patent/CN102486238B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4354520A (en) * | 1981-04-22 | 1982-10-19 | Reactor Services International, Inc. | Pressure/demand exhalation valve |
| US20020195147A1 (en) * | 2001-06-22 | 2002-12-26 | Kenneth Nixon | Serviceable check valve |
| CN2826113Y (en) * | 2005-03-16 | 2006-10-11 | 东辉塑胶（上海）有限公司 | Spiral air nozzle |
| CN201401511Y (en) * | 2009-03-25 | 2010-02-10 | 杜忠业 | Quick water supply valve for green lands |
| CN201487312U (en) * | 2009-08-28 | 2010-05-26 | 东辉塑胶（上海）有限公司 | Check valve |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519570A (en) * | 2019-01-04 | 2019-03-26 | 无锡威孚高科技集团股份有限公司 | Check valve for SCR urea pump |
| CN109519570B (en) * | 2019-01-04 | 2023-09-08 | 无锡威孚高科技集团股份有限公司 | Check valve for SCR urea pump |
| US11976747B2 (en) | 2019-03-20 | 2024-05-07 | Danfoss A/S | Compressor unit with a damped axial check valve for a discharge outlet |
| CN112324959A (en) * | 2019-05-05 | 2021-02-05 | 陈炜 | Adjustable valve |
| CN112324959B (en) * | 2019-05-05 | 2022-04-08 | 浙江凯维智能自控系统有限公司 | Adjustable valve |
| CN110185804A (en) * | 2019-05-14 | 2019-08-30 | 佛山一精模具配件有限公司 | A kind of resistance to compression pneumatic jack valve |
| CN112322468A (en) * | 2020-11-20 | 2021-02-05 | 榆林市食品检验检测中心 | Unidirectional negative pressure adsorption sampling and filtering device and method |
| CN112728231A (en) * | 2021-01-11 | 2021-04-30 | 於汝新 | Novel sleeve with scales |
| CN113958501A (en) * | 2021-11-10 | 2022-01-21 | 安徽江淮汽车集团股份有限公司 | Novel waterproof electric vacuum pump |
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| Publication number | Publication date |
|---|---|
| CN102486238B (en) | 2013-06-12 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: One-way valve Granted publication date: 20130612 Pledgee: Shanghai Bank Co.,Ltd. Fengxian Branch Pledgor: Oriental Recreational Products (Shanghai) Co.,Ltd. Registration number: Y2024980011993 |
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