CN208311542U - Triple valve and its valve body - Google Patents
Triple valve and its valve body Download PDFInfo
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- CN208311542U CN208311542U CN201820769081.5U CN201820769081U CN208311542U CN 208311542 U CN208311542 U CN 208311542U CN 201820769081 U CN201820769081 U CN 201820769081U CN 208311542 U CN208311542 U CN 208311542U
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- attachment base
- connecting bracket
- valve body
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Abstract
The utility model discloses a kind of triple valve and its valve bodies, are related to valve technology field, comprising: attachment base；Connecting bracket is detachably connected with attachment base；It is sequentially communicated inside connecting bracket equipped with the first cavity, the second cavity and third cavity, and open up through-hole in the cavity wall of the first cavity, the second cavity and third cavity；Spool is connected in valve rod, the upper piston component connecting with valve rod and the lower piston component of attachment base and connecting bracket including running through and sliding, and upper piston component is located at the first cavity, and lower piston component is located at third cavity.Spool is arranged in connecting bracket, so that spool can be protected in transport and assembling process, improves the quality of triple valve entirety；Toothed card slot cooperates in fixture block with teeth and connecting bracket on attachment base, is convenient for Automated assembly, and industrialization production is high-efficient；It is whole light using plastics, it is not easy by flow-induced corrosion, the service life of triple valve can be extended.
Description
Technical field
The utility model relates to valve technology fields, more specifically, it relates to a kind of triple valve and its 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.
Such as the Chinese utility model patent that patent announcement number is CN204025756U, a kind of triple valve is disclosed, it includes
Valve body, the connector for being mounted on the body base, the water inlet being arranged on the valve body, setting the body top and with
Water outlet on the connector corresponding position and the valve inner is set for adjusting the valve core device of medium flow direction, institute
Valve core device is stated to include the steel shaft being vertically arranged, the upper piston being set in the steel shaft and lower piston, be located at the lower piston
It lower section and the bracket being connected to above the connector and is set in the steel shaft and is located at the lower piston and the bracket
Between spring, the lower piston bottom is equipped with limiting slot, and the bracket is equipped with guide post, and the spring one end is mounted on described
In limiting slot, another end cap is additionally provided with coaxial aperture on the guide post on the guide post, the steel shaft is inserted into the coaxial aperture
And it is slidably matched with it.By pressing steel shaft, upper piston and lower piston can be driven to move, so that conducting outlet may be selected, reach tune
Save the purpose of medium flow direction.
But above-mentioned valve core device is directly connect with valve body, during assembly, valve core device be can be used as individually
Product is conveyed, and exists in valve core device and elastically-deformable component such as spring easily occurs, easily during transportation by not
Recoverable external force reduces the total quality of triple valve to influence the assembly of valve core device and 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, lead to
The connecting bracket being detachably connected on attachment base is crossed, by spool protection inside connecting bracket, has the function that protect spool,
Improve the total quality of triple valve.
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 valve seat；
Connecting bracket is detachably connected with the attachment base；It is sequentially communicated inside the connecting bracket and is provided with the first sky
Chamber, the second cavity and third cavity, and through-hole is offered in the cavity wall of first cavity, the second cavity and third cavity；
Spool, including running through and sliding the valve rod of the connection attachment base and connecting bracket, be fixedly connected with the valve rod
Upper piston component and lower piston component, the upper piston component is located at first cavity, and the lower piston component is located at institute
State third cavity.
By using above-mentioned technical proposal, spool is arranged in connecting bracket, and spool may make to reduce during transportation
The direct active force of external force achievees the purpose that protect valve core structure；Also, the first cavity, the second cavity are set in connecting bracket
With third cavity, and through-hole is offered in the cavity wall of the first cavity, the second cavity and third cavity, triple valve can be respectively corresponded
Three ports of seat, when upper piston component and lower piston component are with stem movement, alternative sealing the first cavity and second
The communication port of the communication port of cavity or the second cavity and third cavity achievees the purpose that adjust medium flow direction；In addition, attachment base
It is detachably connected with connecting bracket, convenient for the assembly of three-way valve body.
Further, the attachment base is outwardly protruded towards the connecting bracket side is symmetrical arranged there are two fixture block, institute
State the card slot for offering in connecting bracket and being engaged by clamping with the fixture block.
By using above-mentioned technical proposal, after fixture block and card slot clamping engagement, attachment base can be connected with connecting bracket, be made
For entire valve body components；Meanwhile this fit system is convenient for Automated assembly, need to only be clamped fixture block and card slot, produces
Industry high production efficiency.
Further, the fixture block two sides have been wholely set latch, are provided on the card slot and match with latch clamping
The teeth of conjunction.
By using above-mentioned technical proposal, latch and teeth engagement improve the bonding strength of the two.
Further, the connecting bracket is formed with link block towards attachment base one end outwardly convex, on the attachment base
Offer the link slot being engaged by clamping with the link block.
By using above-mentioned technical proposal, after link block is connected with link slot, due to increasing attachment base and connecting bracket
Between tie point, improve the structural strength between attachment base and connecting bracket；When valve body is in triple valve, flowed
Body washes away, and connecting bracket has the trend of rotation, and when the connection relationship of only fixture block and card slot, junction is easy to be reversed
Power and be broken, the bonding strength of fixture block and card slot can be improved in the setting of link block and link slot.
Further, the upper piston component include along the first cavity to the direction of the second cavity successively with the valve rod
The limited block and upper piston block of connection, the limited block and valve rod sliding connect, and are provided with and limit on the valve rod
The first abutting block that block is abutted close to attachment base one end, the upper piston block are fixedly connected with the valve rod；The limited block and
First spring of both connections is provided on upper piston block；Gap between the limited block and upper piston block is located in through-hole.
By using above-mentioned technical proposal, when valve rod is moved from the first cavity towards third cavity, first abuts block and limit
Position block contact, pushes limited block mobile；Since limited block is connected with upper piston block by the first spring, the first spring is limited
The movement of upper piston block is pushed to abut the communication port of the first cavity and the second cavity until upper piston block after the active force of block, simultaneously
Deformation occurs for first spring；When valve rod continues stress, the first spring can deformation upper piston block is buffered, avoid upper piston
Block is easily damaged by continual power, can extend the service life of upper piston block；There are gaps between first spring, can
It is passed through for fluid, increases fluid flow；The distance between limited block and upper piston block are adjustable, so that adjustable flow through the first cavity
Interior uninterrupted；Simultaneously as the gap between limited block and upper piston block is substantially not subject to the blocking of connecting bracket, work as stream
Body enter the first cavity when, fluid can the gap between limited block and upper piston block flow through, and connecting bracket surround limited block
Smaller with the area of upper piston block, when there is impurity in fluid, impurity is not easy to be left in limited block, upper piston block and connect branch
Space between frame allows fluid to more smoothly flow through the first cavity.
Further, the lower piston component includes the lower piston block being fixedly connected with the valve rod, the lower piston block
Second spring is connected with the connecting bracket bottom.
By using above-mentioned technical proposal, when valve rod is moved from the first cavity towards third cavity, lower piston block and first
The separation of the communication port of cavity and the second cavity, while second spring has elastic restoring force by compression；When the power on valve rod is withdrawn
Afterwards, valve rod resets under the action of second spring, so that lower piston block is abutted with the communication port of the first cavity and the second cavity, reaches
To the purpose of commutation.
Further, the upper piston block is close to the side of second cavity one end, lower piston block close to second cavity one end
Side be provided with O-ring seals.
By using above-mentioned technical proposal, improves upper piston block and lower piston block each communicates with sealing when mouth abuts with it
Property.
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 and connecting bracket 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, by can
Connecting bracket of the dismantling connection on attachment base is improved by spool protection inside connecting bracket when assembling with threeway valve seat
Assembling quality, to improve the total quality of triple valve.
To achieve the above object, the utility model provides following technical solution:
A kind of triple valve, including 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 since the spool of three-way valve body is by connecting bracket
Protection so that the triple valve total quality that finally obtains improves.
Further, the connecting bracket peripheral side is located at the first cavity and the second cavity connectivity part, the second cavity and
Three cavity connectivity parts and the attachment base are provided with far from one end of fixture block to be connect with the threeway valve seat bore seal
O-ring seals.
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, spool is arranged in connecting bracket, so that each components of spool can in transport and assembling process
It is protected, improves the quality of triple valve entirety；
2, in fixture block with teeth on attachment base and connecting bracket toothed card slot fit system, convenient for automatic makeup
Match, fixture block and card slot need to be only clamped, industrialization production is high-efficient；
3, in connecting bracket on link block and attachment base link slot setting, can be improved between attachment base and connecting bracket
Bonding strength, so that fixture block is not easy to be broken after the twisting resistance by fluid；Extend the service life of valve body；
4, connecting bracket surrounds limited block and the area of upper piston block is smaller, so that the impurity in fluid is not easy in the first sky
It is remained in chamber, can flow through the fluid in the first cavity can more smoothly pass over；
5, the setting of the first spring can buffer the first cavity, the phase interaction at the second cavity communication port between upper piston block
Firmly, extend the service life of upper piston block；
6, whole light using plastics, and be not easy by flow-induced corrosion, the service life of triple valve can be extended.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is perspective cross section schematic diagram；
Fig. 3 is the attachment structure schematic diagram of attachment base and connecting bracket；
Fig. 4 is the attachment structure schematic diagram of attachment base and connecting bracket in another embodiment；
Fig. 5 is the simple schematic diagram of triple valve.
Appended drawing reference: 100, attachment base；110, fixture block；111, latch；120, flange connector；130, external screw thread；200, even
Connect bracket；210, the first cavity；220, the second cavity；230, third cavity；240, through-hole；250, card slot；251, teeth；300,
Spool；310, valve rod；320, upper piston component；321, limited block；322, upper piston block；323, first block is abutted；324, first
Spring；330, lower piston component；331, lower piston block；332, second block is abutted；333, second spring；400, O-ring seals；
500, three-way valve body；600, threeway valve seat；700, connection sheet；710, link block；720, link slot.
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.1, including attachment base 100, the connecting bracket being detachably connected with attachment base 100
200, and the spool 300 inside connecting bracket 200 is set.Connecting bracket 200 is whole cylindrical, inside be sequentially communicated
It is provided with the first cavity 210, the second cavity 220 and third cavity 230, and the first cavity 210, the second cavity 220 and third are empty
Multiple through-holes 240 are uniformly provided in the cavity wall of chamber 230.Spool 300 includes running through and sliding to be connected to attachment base 100 and connect
The upper piston component 320 and lower piston component 330 for connecing the valve rod 310 on bracket 200, being connect with valve rod 310, wherein upper piston
Component 320 is located at the first cavity 210, and lower piston component 330 is located at third cavity 230.It, can by applying pressure to valve rod 310
Move valve rod 310 along its length, so as to move upper piston component 320 and lower piston component 330, selection conducting the
The communication port of the communication port or the second cavity 220 and third cavity 230 of one cavity 210 and the second cavity 220, reaches steering
Purpose.
Referring to Fig. 2,100 outer peripheral surface of attachment base is provided with external screw thread 130, towards the side interposition of the first cavity 210
It sets and is fixed with flange connector 120, elastic seal cartridge (not shown) is arranged on flange connector 120, elastic packing is put on out
Equipped with passed through for valve rod 310 and diameter be less than 310 diameter of valve rod connecting hole.Valve rod 310 sequentially passes through elastic seal cartridge, connection
Attachment base 100 is stretched out after flange 120.
Referring to Fig. 3, attachment base 100 is outwardly protruded towards 200 side of connecting bracket to be symmetrical arranged there are two fixture block 110, is blocked
110 two sides of block have been wholely set latch 111.200 outer surface of connecting bracket offers the card slot 250 being engaged by clamping with fixture block 110,
And the teeth 251 being engaged by clamping with latch 111 are provided on card slot 250.It is provided with chamfering at the notch of card slot 250, convenient for card
The connection of block 110 enters.Hollow out between the card slot 250 of connecting bracket 200, and hollow part and connecting bracket 200 integrally formed with
Connection sheet 700, connection sheet 700 towards the position of attachment base 100 integrally formed with link block 710, offered on attachment base 100 with
The link slot 720 that link block 710 is engaged by clamping, improves the bonding strength between attachment base 100 and connecting bracket 200, to mention
The service life of high valve body.
In another implementation, referring to Fig. 4, card slot 250 and fixture block 110 are only provided between attachment base 100 and connecting bracket,
And the latch 111 for being integrally disposed upon 110 two sides of fixture block and the teeth 251 that 250 side of card slot is set, escapable cost.
Return to Fig. 2, upper piston component 320 include along 210 to the second cavity 220 of the first cavity direction successively with valve rod
The limited block 321 and upper piston block 322 of 310 connections.Limited block 321 along 310 length direction of valve rod section in fall hat,
It slides and connects with valve rod 310, and be fixedly connected with first abutted with limited block 321 close to 100 one end of attachment base on valve rod 310
Abut block 323.Upper piston block 322 is socketed with O-ring seals 400, and upper piston block close to the side of 220 one end of the second cavity
322 are fixedly connected with valve rod 310.Upper piston block 322 is formed towards 321 side outwardly convex of limited block and is matched with limited block 321
Connection ring, the first spring 324 is socketed in outside limited block 321 and connection ring, so that upper piston block 322 and limited block 321 be connected
It connects.It should be noted that the gap between limited block 321 and upper piston block 322 is exposed to through-hole 240, reduce limited block 321,
Overlapping area between upper piston block 322 and connecting bracket 200 avoids valve body from being blocked by the impurity in fluid.
Lower piston component 330 includes the lower piston block 331 being fixedly connected on valve rod 310.Lower piston block 331 is close to second
The side of 220 one end of cavity is socketed with O-ring seals 400, and lower piston block 331 and 200 bottom of connecting bracket are connected with second
Spring 333.Lower piston block 331 in its natural state, is withstood on the company of the second cavity 220 and third cavity 230 by second spring 333
Passage port.
It should be noted that the attachment base 100 and connecting bracket 200 in the present embodiment are all made of plastics, light weight and not
Electrochemical corrosion easily occurs, extends the service life of three-way valve body 500.
The working principle of the present embodiment:
When assembly, first spool 300 is mounted in connecting bracket 200, and attachment base 100 is then connected to connecting bracket 200
On.
Under natural conditions, lower piston block 331 withstands the communication port of the second cavity 220 and third cavity 230, upper piston block
322 are detached from the communication port of the first cavity 210 and the second cavity 220, and fluid can enter from the second cavity 220, then from first
It is flowed out in cavity 210；
When needing to turn to, pressure is applied to valve rod 310 by external force, upper piston block 322 and lower piston block 331 follow valve rod
310 is mobile, and until lower piston block 331 is detached from the communication port of the second cavity 220 and third cavity 230, upper piston block 322 withstands the
The communication port of one cavity 210 and the second cavity 220 completes steering procedure；At this point, the first spring 324 and second spring 333 are sent out
Raw deformation, has elastic restoring force, can automatically restore to nature when external force disappears.
Embodiment two
A kind of triple valve, referring to Fig. 4, including the three-way valve body 500 as described in embodiment one and threeway valve seat
600, three-way valve body 500 is threaded in threeway valve seat 600 by attachment base 100.And in order to improve three-way valve body 500
It is empty to be located at the first cavity 210 and second in 200 peripheral side of connecting bracket for leakproofness between each cavity of threeway valve seat 600
220 connectivity part of chamber, the second cavity 220 and 230 connectivity part of third cavity have been arranged O-ring seals 400.Meanwhile attachment base 100
One end far from fixture block 110 has also been arranged O-ring seals 400, improves the leakproofness between attachment base 100 and threeway valve seat 600.
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 (600)；
Connecting bracket (200) is detachably connected with the attachment base (100)；It is sequentially communicated and sets inside the connecting bracket (200)
It is equipped with the first cavity (210), the second cavity (220) and third cavity (230), and first cavity (210), the second cavity
(220) and in the cavity wall of third cavity (230) it offers through-hole (240)；
Spool (300), including run through and slide connect the attachment base (100) and connecting bracket (200) valve rod (310) and
The upper piston component (320) and lower piston component (330) of valve rod (310) connection, the upper piston component (320) are located at institute
It states the first cavity (210), the lower piston component (330) is located at the third cavity (230).
2. three-way valve body according to claim 1, which is characterized in that the attachment base (100) is propped up towards the connection
Frame (200) side, which outwardly protrudes, to be symmetrical arranged there are two fixture block (110), is offered and the card on the connecting bracket (200)
The card slot (250) that block (110) is engaged by clamping.
3. three-way valve body according to claim 2, which is characterized in that fixture block (110) two sides have been wholely set card
Tooth (111) is provided with the teeth (251) being engaged by clamping with the latch (111) on the card slot (250).
4. three-way valve body according to claim 3, which is characterized in that the connecting bracket (200) is towards attachment base
(100) one end outwardly convex is formed with link block (710), is offered on the attachment base (100) and is blocked with the link block (710)
Connect the link slot (720) of cooperation.
5. three-way valve body according to claim 4, which is characterized in that the upper piston component (320) includes along
The limited block (321) and upper piston that one cavity (210) to the direction of the second cavity (220) is successively connect with the valve rod (310)
Block (322), the limited block (321) and the valve rod (310) sliding connect, and are provided with and limit on the valve rod (310)
The first abutting block (323) that block (321) is abutted close to attachment base (100) one end, the upper piston block (322) and the valve rod
(310) it is fixedly connected；First spring (324) of both connections is provided on the limited block (321) and upper piston block (322)；
Gap between the limited block (321) and upper piston block (322) is located in through-hole (240).
6. three-way valve body according to claim 5, which is characterized in that the lower piston component (330) include with it is described
The lower piston block (331) that valve rod (310) is fixedly connected, the lower piston block (331) connect with the connecting bracket (200) bottom
There are second spring (333).
7. three-way valve body according to claim 6, which is characterized in that the upper piston block (322) is close to the second cavity
(220) side of one end, lower piston block (331) are provided with O-ring seals close to the side of the second cavity (220) one end
(400)。
8. 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 (120), elastic seal cartridge, the elasticity is set on the flange connector (120)
Offered on sealing shroud for the valve rod (310) pass through and diameter be less than valve rod (310) diameter connecting hole.
9. three-way valve body according to claim 1, which is characterized in that the attachment base (100) and connecting bracket (200)
It is all made of plastics.
10. a kind of triple valve, which is characterized in that including the three-way valve body as described in any one of claim 1-9
(500) and threeway valve seat (600)；It is provided on the attachment base (100) and is threadedly coupled with the threeway valve seat (600)
External screw thread (130)；Connecting bracket (200) peripheral side is located at the first cavity (210) and the second cavity (220) connectivity part,
Two cavitys (220) and third cavity (230) connectivity part and the attachment base (100) are respectively provided with far from the one end of fixture block (110)
There are the O-ring seals (400) connecting with threeway valve seat (600) bore seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820769081.5U CN208311542U (en) | 2018-05-22 | 2018-05-22 | Triple valve and its valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820769081.5U CN208311542U (en) | 2018-05-22 | 2018-05-22 | Triple valve and its valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311542U true CN208311542U (en) | 2019-01-01 |
Family
ID=64716157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820769081.5U Active CN208311542U (en) | 2018-05-22 | 2018-05-22 | Triple valve and its valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900013851A1 (en) * | 2019-08-02 | 2021-02-02 | Mut Mecc Tovo Spa | ELECTRIC THREE-WAY DIVERTER VALVE |
-
2018
- 2018-05-22 CN CN201820769081.5U patent/CN208311542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900013851A1 (en) * | 2019-08-02 | 2021-02-02 | Mut Mecc Tovo Spa | ELECTRIC THREE-WAY DIVERTER VALVE |
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