CN208311602U - The triple valve of three-way valve body and the application three-way valve body - Google Patents
The triple valve of three-way valve body and the application three-way valve body Download PDFInfo
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- CN208311602U CN208311602U CN201820749272.5U CN201820749272U CN208311602U CN 208311602 U CN208311602 U CN 208311602U CN 201820749272 U CN201820749272 U CN 201820749272U CN 208311602 U CN208311602 U CN 208311602U
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Abstract
The utility model discloses the triple valves of a kind of three-way valve body and the application three-way valve body, are related to valve technology field, comprising: attachment base, for being connect with threeway valve seat；First support is connect with attachment base, inside offer the first cavity；Second support, inside offer the second cavity；Through-hole is offered in the cavity wall of first cavity and the second cavity；Valve rod runs through and slides being connected to attachment base, first support and second support, and first support and second support gap setting form third cavity, and the connection setting of the first cavity, the second cavity, third cavity；Piston is fixedly connected on valve rod, and is located in third cavity.Object is not provided with to increase the space that flows through of fluid at the fluid inlet of three-way valve body, on the outside of piston, is reduced the probability blocked at piston by fluid impurity, is extended the service life of valve body.
Description
Technical field
The utility model relates to valve technology field, more specifically, it relates to a kind of three-way valve body and application this three
The triple valve of port valve valve body.
Background technique
Three-way valve is the control unit in fluid delivery system, be mainly used for change medium flow direction, mainly include import,
Outlet and commutation mouth.
Existing a kind of three-way valve body, as shown in Figure 1, the connection branch for including attachment base 100, being connect with attachment base 100
Frame and the spool being arranged in inside connecting bracket are sequentially communicated inside the connecting bracket and are provided with the first cavity 210, third
Cavity 500 and the second cavity 310, and be provided with and communicated in the cavity wall of the first cavity 210, third cavity 500 and the second cavity 310
Through-hole；Spool includes valve rod 400, and piston 600 is fixedly connected on valve rod 400, and piston 600 is located in third cavity 500.Generally
Fluid enters from third cavity 500, is moved by the mobile band piston 600 of valve rod 400, to optionally be connected first
The communication port of the communication port or the second cavity 310 and third cavity 500 of cavity 210 and third cavity 500, reaches the mesh of commutation
's.
But in general fluid media (medium) such as water, have more impurity, between piston and the cavity wall of third cavity spacing compared with
Small, being easy residual impurity between the two leads to the blocking of valve body, shortens the service life of valve body.
Utility model content
In view of the deficienciess of the prior art, the first of the utility model is designed to provide a kind of three-way valve body, it is living
Side is not provided with object to increase the space that flows through of fluid beyond the Great Wall, reduces the probability blocked at piston by fluid impurity, extends valve body
Service life.
To achieve the above object, the utility model provides following technical solution:
A kind of three-way valve body, comprising:
Attachment base, for being connect with threeway valve seat；
First support is connect with the attachment base, inside offer the first cavity；
Second support, inside offer the second cavity；It is offered in the cavity wall of first cavity and the second cavity
Through-hole；
Valve rod runs through and slides being connected to the attachment base, first support and second support, the first support and second
Standoff gap is arranged to form third cavity, and the connection setting of first cavity, the second cavity, third cavity；
Piston is fixedly connected on the valve rod, and is located in the third cavity.
By using above-mentioned technical proposal, piston is located in the gap that first support and second support are formed, so that piston
The blocking of the not no foreign object in outside, when fluid enters in third cavity, fluid flows through space increase, reduces at piston by fluid
The probability of impurity blocking, extends the service life of valve body.
Further, the piston is arranged with O-ring seals close to the both ends side of the first cavity and the second cavity.
By using above-mentioned technical proposal, improve piston both ends with each communicate with leakproofness when mouth abuts, prevent fluid
Crossfire.
Further, third cavity is provided with flange at the communication port of first cavity and the third cavity,
O-ring seals of the piston close to the first cavity side are sealably coupled with the flange.
By using above-mentioned technical proposal, the leakproofness at piston and the first cavity and third cavity communication port is improved.
Further, it is provided with rounded corner at the communication port of second cavity and the third cavity, the piston leans on
The O-ring seals of nearly second cavity side are sealably coupled with the rounded corner.
By using above-mentioned technical proposal, the leakproofness at piston and the second cavity and third cavity communication port is improved.
Further, it is located in the first cavity on the valve rod and is fixedly installed the first abutting block, described first abuts block
It is provided with the first limited block with valve rod sliding connection between piston, connection first limit is socketed with outside the valve rod
First spring of position block and the piston.
By using above-mentioned technical proposal, when valve rod is moved from the first cavity towards third cavity, first abuts block and the
The contact of one limited block pushes limited block mobile；Since the first limited block is connected with piston by the first spring, the first spring by
The active force pusher piston movement of first limited block abuts the communication port of the second cavity and third cavity until piston, simultaneously
Deformation occurs for first spring；When valve rod continues stress, the first spring can deformation piston is buffered, avoid piston from being held
Continue continuous power and damage, the service life of upper piston block can be extended.
Further, it is located in the second cavity on the valve rod and is provided with second spring, the second spring is sheathed on institute
It states outside valve rod, and its both ends is separately connected piston and second support far from attachment base one end.
By using above-mentioned technical proposal, when valve rod is moved from the first cavity towards third cavity, piston and the second cavity
It is abutted with the communication port of third cavity, while second spring has elastic restoring force by compression；After the power on valve rod is withdrawn, valve
Bar resets under the action of second spring, so that piston is abutted with the communication port of the first cavity and third cavity, reaches commutation
Purpose.
Further, flange connector, the flange connector are provided among the side of the first cavity of the attachment base direction
Upper setting elastic seal cartridge, the elastic packing put on offer for the valve rod pass through and diameter be less than stem diameter connection
Hole.
By using above-mentioned technical proposal, so that fluid not easily passs through valve rod and the connection through-hole of attachment base enters attachment base
It is interior, improve the leakproofness of the part-structure.
Further, the attachment base, first support, second support and piston are all made of plastics.
By using above-mentioned technical proposal, plastics are lighter, can reduce the total quality of triple-valve body；Also, the material is resistance to
Corrosion, can extend the service life of triple-valve body.
In view of the deficienciess of the prior art, the second of the utility model is designed to provide a kind of triple valve, outside piston
Side is not provided with object to increase the space that flows through of fluid, reduces the probability blocked at piston by fluid impurity, extends making for valve body
Use the service life.
To achieve the above object, the utility model provides following technical solution:
A kind of triple valve includes the three-way valve body as described in the first purpose and threeway valve seat；On the attachment base
It is provided with the external screw thread being threadedly coupled with the threeway valve seat.
By using above-mentioned technical proposal, three-way valve body is threaded in threeway valve seat, and the corresponding company of each cavity
One entrance of logical threeway valve seat, the assembly of triple valve is simple and convenient, and due to being not provided with object on the outside of piston, it is possible to increase fluid
Flow through space, reduce the probability blocked at piston by fluid impurity, extend the service life of triple valve.
Further, the first support, second support are close to the side of third cavity and the attachment base far from
One end of one bracket is socketed with the O-ring seals connecting with the threeway valve seat bore seal.
By using above-mentioned technical proposal, the leakproofness connected between three-way valve body and threeway valve seat is improved, so that
Water flow inside threeway valve seat will not channelling, improve the total quality of triple valve.
Compared with prior art, the utility model has the advantages that:
1, object is not provided with to increase the space that flows through of fluid at the fluid inlet of three-way valve body, on the outside of piston, is reduced
The probability blocked at piston by fluid impurity, extends the service life of valve body；
2, the first spring can deformation piston is buffered, avoid piston from being damaged by continual power, can be into one
Step extends the service life of upper piston block.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art in background technique；
Fig. 2 is the structural schematic diagram of the utility model three-way valve body；
Fig. 3 is the perspective cross section schematic diagram of three-way valve body；
Fig. 4 is the plan cross-sectional schematic diagram of three-way valve body；
Fig. 5 is the simple schematic diagram of triple valve.
Appended drawing reference: 100, attachment base；110, flange connector；120, external screw thread；200, first support；210, first is empty
Chamber；220, flange；230, first block is abutted；240, the first limited block；250, the first spring；300, second support；310, second
Cavity；330, rounded corner；340, second spring；400, valve rod；500, third cavity；600, piston；700, O-ring seals；
800, threeway valve seat；900, three-way valve body.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment one
A kind of three-way valve body, referring to Fig. 2, including attachment base 100, the bracket component being connect with attachment base 100, Yi Jishe
Set the spool inside bracket component.Bracket component includes first support 200 and second support 300, is opened inside first support 200
Equipped with the first cavity 210, the second cavity 310 is offered inside second support 300, and the first cavity 210 and the second cavity 310
Multiple through-holes are uniformly provided in cavity wall, spool includes valve rod 400 and the piston being fixedly connected with valve rod 400 600, valve rod
400 run through and slide and are connected to attachment base 100, first support 200 and second support 300, first support 200 and second support
300 gap settings form third cavity 500, and the connection setting of the first cavity 210, the second cavity 310, third cavity 500.Piston
600 are located in third cavity 500.Fluid enters from third cavity 500, by applying pressure to valve rod 400, can make valve rod 400
It moves along its length, so as to move piston 600, the communication port of selection the first cavity 210 and third cavity 500 of conducting
Or second cavity 310 and third cavity 500 communication port, achieve the purpose that steering.
Referring to Fig. 3 and Fig. 4,100 outer peripheral surface of attachment base is provided with external screw thread 120, towards in the side of the first cavity 210
Between position be fixed with flange connector 110, elastic seal cartridge (not shown), elastic seal cartridge are arranged on flange connector 110
On offer passed through for valve rod 400 and diameter be less than 400 diameter of valve rod connecting hole.Valve rod 400 sequentially pass through elastic seal cartridge,
Attachment base 100 is stretched out after flange connector 110.
Piston 600 is arranged with O-ring seals 700 close to the both ends side of the first cavity 210 and the second cavity 310.And
Third cavity 500 is provided with flange 220 at the communication port of first cavity 210 and third cavity 500, piston 600 is close to
The O-ring seals 700 of one cavity, 210 side are sealably coupled with flange 220；Second cavity 310 is connected to third cavity 500
It is provided with rounded corner 330 at mouthful, O-ring seals 700 and rounded corner 330 of the piston 600 close to 310 side of the second cavity are salable
Connection, is integrally improved the leakproofness of piston 600.
In addition, being set in piston 600 close to the position of the first cavity 210 to further extend the service life of piston 600
Buffer Unit is set.Buffer Unit includes that first be fixedly connected on valve rod 400 abuts block 230, and the first abutting block 230 is located at
In first cavity 210, and the first limited block 240, the first limited block 240 are provided between the first abutting block 230 and piston 600
It slides and connects with valve rod 400.The first spring 250 of connection the first limited block 240 and piston 600 is socketed with outside valve rod 400.Work as work
Plug 600 is connected at the communication port of the second cavity 310 and third cavity 500, and when valve rod 400 continues stress, the first spring 250
Can deformation piston 600 is buffered, avoid piston 600 from being damaged by continual power, 600 pieces of upper piston can be extended
Service life.
It is provided with second spring 340 in addition, being located in the second cavity 310 on valve rod 400, which is sheathed on
Outside valve rod 400, and its both ends is respectively fixedly connected in piston 600 and second support 300 far from 100 one end of attachment base.Valve rod 400
When being moved from the first cavity 210 towards third cavity 500, the communication port of piston 600 and the second cavity 310 and third cavity 500
It abuts, while second spring 340 has elastic restoring force by compression；After the power on valve rod 400 is withdrawn, valve rod 400 is second
It is resetted under the action of spring 340, so that piston 600 is abutted with the communication port of the first cavity 210 and third cavity 500, reaches and change
To purpose.
It should be noted that the attachment base 100, first support 200, second support 300 and piston 600 in the present embodiment are equal
Using plastics, light weight and it is not susceptible to electrochemical corrosion, extends the service life of three-way valve body 900.
The working principle of the present embodiment:
Under natural conditions, piston 600 withstands the communication port of the first cavity 210 and third cavity 500, and fluid is from third cavity
Enter in 500, is then flowed out from the second cavity 310；
When needing to turn to, pressure is applied to valve rod 400 by external force, piston 600 follows valve rod 400 mobile, until piston
600 withstand the communication port of the second cavity 310 and third cavity 500, complete steering procedure；At this point, the first spring 250 and the second bullet
Deformation occurs for spring 340, has elastic restoring force, can automatically restore to nature when external force disappears.
Embodiment two
A kind of triple valve, referring to Fig. 5, including the three-way valve body 900 as described in embodiment one and threeway valve seat
800, three-way valve body 900 is threaded in threeway valve seat 800 by attachment base 100.And in order to improve three-way valve body 900
Leakproofness between each cavity of threeway valve seat 800, in first support 200, second support 300 close to third cavity 500
Side is socketed with the O-ring seals 700 connecting with 800 bore seal of threeway valve seat.Meanwhile attachment base 100 is far from first
One end of frame 200 has also been arranged O-ring seals 700, improves the leakproofness between attachment base 100 and threeway valve seat 800.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of three-way valve body characterized by comprising
Attachment base (100), for being connect with threeway valve seat (800)；
First support (200) is connect with the attachment base (100), inside offer the first cavity (210)；
Second support (300), inside offer the second cavity (310)；First cavity (210) and the second cavity (310)
Cavity wall on offer through-hole；
Valve rod (400) runs through and slides being connected to the attachment base (100), first support (200) and second support (300), institute
It states first support (200) and second support (300) gap setting forms third cavity (500), and first cavity (210),
Second cavity (310), third cavity (500) connection setting；
Piston (600) is fixedly connected on the valve rod (400), and is located in the third cavity (500).
2. three-way valve body according to claim 1, which is characterized in that the piston (600) is close to the first cavity (210)
O-ring seals (700) are arranged with the both ends side of the second cavity (310).
3. three-way valve body according to claim 2, which is characterized in that first cavity (210) and the third are empty
It is provided with flange (220) at the communication port of chamber (500) towards third cavity (500), the piston (600) is close to the first cavity
(210) O-ring seals (700) with the flange (220) of side are sealably coupled.
4. three-way valve body according to claim 2, which is characterized in that second cavity (310) and the third are empty
It is provided at the communication port of chamber (500) rounded corner (330), O shape of the piston (600) close to the second cavity (310) side is close
Seal (700) is sealably coupled with the rounded corner (330).
5. three-way valve body according to claim 1, which is characterized in that be located at the first cavity on the valve rod (400)
(210) the first abutting block (230) is fixedly installed in, and described first abuts and be provided between block (230) and piston (600) and institute
The first limited block (240) of valve rod (400) sliding connection is stated, connection first limited block is socketed with outside the valve rod (400)
(240) and the first spring (250) of the piston (600).
6. three-way valve body according to claim 1, which is characterized in that be located at the second cavity on the valve rod (400)
(310) it is provided with second spring (340) in, the second spring (340) is sheathed on the valve rod (400) outside, and its both ends point
It Lian Jie not piston (600) and separate attachment base (100) one end of second support (300).
7. three-way valve body according to claim 1, which is characterized in that the first cavity of attachment base (100) direction
(210) it is provided among side flange connector (110), elastic seal cartridge, the elasticity is set on the flange connector (110)
Offered on sealing shroud for the valve rod (400) pass through and diameter be less than valve rod (400) diameter connecting hole.
8. three-way valve body according to claim 1, which is characterized in that the attachment base (100), first support (200),
Second support (300) and piston (600) are all made of plastics.
9. a kind of triple valve, which is characterized in that including the three-way valve body (900) as described in any one of claim 1-8,
And threeway valve seat (800)；The external screw thread being threadedly coupled with the threeway valve seat (800) is provided on the attachment base (100)
(120)。
10. triple valve according to claim 9, which is characterized in that the first support (200), second support (300) are leaned on
The side of nearly third cavity (500) and the attachment base (100) is socketed with far from the one end of first support (200) and institute
State the O-ring seals (700) of threeway valve seat (800) bore seal connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820749272.5U CN208311602U (en) | 2018-05-18 | 2018-05-18 | The triple valve of three-way valve body and the application three-way valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820749272.5U CN208311602U (en) | 2018-05-18 | 2018-05-18 | The triple valve of three-way valve body and the application three-way valve body |
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| Publication Number | Publication Date |
|---|---|
| CN208311602U true CN208311602U (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820749272.5U Active CN208311602U (en) | 2018-05-18 | 2018-05-18 | The triple valve of three-way valve body and the application three-way valve body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145622A (en) * | 2019-06-12 | 2019-08-20 | 广东吉宝电器科技有限公司 | A kind of negative pressure valve and the water system with it |
| CN112483676A (en) * | 2020-11-12 | 2021-03-12 | 浙江春晖智能控制股份有限公司 | External integral type three-way valve of spring |
-
2018
- 2018-05-18 CN CN201820749272.5U patent/CN208311602U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145622A (en) * | 2019-06-12 | 2019-08-20 | 广东吉宝电器科技有限公司 | A kind of negative pressure valve and the water system with it |
| WO2020248292A1 (en) * | 2019-06-12 | 2020-12-17 | 广东吉宝电器科技有限公司 | Negative pressure valve and water supply system comprising same |
| CN112483676A (en) * | 2020-11-12 | 2021-03-12 | 浙江春晖智能控制股份有限公司 | External integral type three-way valve of spring |
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