CN207569264U - A kind of novel three-way reversal valve - Google Patents
A kind of novel three-way reversal valve Download PDFInfo
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- CN207569264U CN207569264U CN201721735702.XU CN201721735702U CN207569264U CN 207569264 U CN207569264 U CN 207569264U CN 201721735702 U CN201721735702 U CN 201721735702U CN 207569264 U CN207569264 U CN 207569264U
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Abstract
The utility model belongs to industrial valve technical field more particularly to a kind of novel three-way reversal valve.Including reversing valve body, the reversing valve body includes upper valve body and lower valve body setting up and down, the bottom of the lower valve body is provided with the first port, the second port is provided on the side wall of the lower valve body, third connectivity mouth is provided on the side wall of the upper valve body, flap is provided in the reversing valve body, driving device is provided at the top of the upper valve body, the driving device controls flap to move up and down by valve rod, it is provided at the top and bottom of the lower valve body and the matched valve seat of flap, the contact surface of the valve seat and flap is obliquely installed, it is provided on the flap and the matched conical surface of valve seat, one layer of soft sealing material layer is provided on the conical surface.The utility model large-scale promotion use simple in structure, easy to process, suitable.
Description
Technical field
The utility model belongs to industrial valve technical field more particularly to a kind of novel three-way reversal valve.
Background technology
In fields such as current chemical industry, oil, water supply, heating power, the conveying of medium relies primarily on pipeline to realize.Valve conduct
Control element on pipeline, main function are xegregating unit and pipeline, the shunting of the various media in control pipeline system, stream
Logical, cut-off etc..Three-way diverter valve is as a kind of valve that can change medium flow direction, extensively in various work condition environments.At present
Typical three-way diverter valve is that valve rod one end links together with flap, and valve rod drives flap to move up and down in valve inner, point
It does not fit closely to form effective sealing with upper valve base and lower valve base sealing surface, realizes the commutation of medium.
In above-mentioned three-way diverter valve, valve clack sealing surface is made by the linear motion of valve rod, respectively with upper and lower valve base sealing,
Form double containment.In this process, to ensure sealing reliability, valve clack sealing surface must come into full contact with sealing surface of seat, because
For this valve rod during up and down motion, too big deviation cannot occur in the relative position of flap and valve seat.Above-mentioned triplet commutation
Valve, during the work time, valve rod are susceptible to radial missing, when especially valve rod is moved downwardly near lower valve base, departure
Can be bigger, influence the reliability of sealing.
The defects of for above-mentioned three-way diverter valve, it would be highly desirable to provide that one kind can reduce flap and valve seat relative deviation is big, sealing
The three-way diverter valve of dependable performance.
Utility model content
The technical issues of the utility model is for present in above-mentioned three-way diverter valve proposes a kind of reasonable design, structure
Simply, of low cost and sealing effect is good, is capable of a kind of novel three-way reversal valve of automatic capturing.
In order to achieve the above object, the technical solution adopted in the utility model is that the utility model provides one kind novel three
Logical reversal valve, including reversing valve body, the reversing valve body includes upper valve body and lower valve body setting up and down, the lower valve body
Bottom be provided with the first port, the second port is provided on the side wall of the lower valve body, is set on the side wall of the upper valve body
There is third connectivity mouth, flap is provided in the reversing valve body, driving device, the driving are provided at the top of the upper valve body
Device controls flap to move up and down by valve rod, be provided at the top and bottom of the lower valve body with the matched valve seat of flap,
The contact surface of the valve seat and flap is obliquely installed, be provided on the flap with the matched conical surface of valve seat, on the conical surface
It is provided with one layer of soft sealing material layer.
Preferably, the conical surface is arranged on the upper and lower ends of flap.
Preferably, the valve seat is 25 ° with the inclination angle with the contact surface of flap, the taper of the conical surface is 25 °.
Preferably, the material of the soft sealing material layer is polytetrafluoroethylene (PTFE).
Preferably, it is staggeredly symmetrical arranged between second port and third connectivity mouth.
Compared with prior art, it is the advantages of the utility model with good effect,
1st, the utility model provides a kind of novel three-way reversal valve, by by valve seat with flap design into the conical surface, make flap
In moving up and down can accurate automatic capturing, when flap and valve seat will seal, using taper surface force flap with
Valve seat returns to the position most agreed with of sealing, ensures the reliability of sealing, meanwhile, using the soft sealing material for being arranged on the conical surface,
With in the cooperation of valve seat, soft sealing material can be compressed on a small quantity, can also make up between flap and valve seat due to processing etc. other
The relative deviation of factor accumulation ensures the reliability of sealing, and the utility model is simple in structure, easy to process, suitable to be pushed away on a large scale
It is wide to use.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model,
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the sectional view of a kind of novel three-way reversal valve that embodiment 1 provides；
In above each figure, 1, reversing valve body；11st, upper valve body；111st, third connectivity mouth；12nd, lower valve body；121st, first is logical
Mouthful；122nd, the second port；2nd, flap；21st, the conical surface；211st, soft sealing material layer；3rd, driving device；31st, manual lock；32nd, valve rod；
4th, valve seat.
Specific embodiment
It is below in conjunction with the accompanying drawings and real in order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage
Example is applied to be described further the utility model.It should be noted that in the absence of conflict, embodiments herein and reality
Applying the feature in example can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to implement using different from other modes described here, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment 1, as shown in Figure 1, the present embodiment provides a kind of novel three-way reversal valve, including reversing valve body, at this
In embodiment, reversing valve body 1 includes upper valve body 11 and lower valve body 12 setting up and down, specifically, upper valve body 11 and lower valve
Sealing is bolted between body 12, the first port 121 (feed inlet) is provided in the bottom of lower valve body 11, in lower valve body 12
Side wall on be provided with the second port 122 (discharge port), (another pipe of third connectivity mouth 111 is provided on the side wall of upper valve body 11
The feed inlet in road), it is of course also possible to direction is set, three-way diverter valve provided in this embodiment mainly realize two pipelines with it is another
The connection of one pipeline, in the present embodiment, staggeredly it is symmetrical arranged between the second port 122 and third connectivity mouth 111, certainly, also may be used
To be arranged to other states, in the present embodiment, such as angle between the second port 122 and third connectivity mouth 111 be 50 ° or
90 ° etc..
Flap is provided in reversing valve body, the main function of flap 2 is exactly to close the first port 121 or third connectivity mouth
111, due to being lower upper setting between the first port 121 and third connectivity mouth 111, to achieve these goals, in upper valve body 11
Top is provided with driving device 3, and driving device 3 controls flap to move up and down by valve rod 32, in the present embodiment, driving device
3 be electric operator, and driving device 3 moves up and down with ovable valve stem 32, achievees the purpose that be switched fast.Certainly, driving device 3
Manual operation can also be converted to, it is contemplated that the speed of manual switching, therefore in the present embodiment, driving device is electronic execution machine
Structure, in order to ensure the safety of driving device, in the present embodiment, driving device is additionally provided with manual lock, manual lock it is main
Effect is exactly the electronic of switching driving device and manual operation.It is manually operable in power failure, it is ensured that the normal of valve makes
With.
It is provided in the top and bottom of lower valve body 12 and 2 matched valve seat 4 of flap, certainly, the valve being disposed over
Seat 4 can also be arranged on the bottom of upper valve body 11, and in order to realize the automatic capturing of flap 2, valve seat 4 and the contact surface of flap 2 incline
Tiltedly setting (structure design that specifically can refer to Holland's pump valve seat and valve body), is provided on flap 2 and is matched with valve seat 4
The conical surface 21, specifically, for valve seat 4 with being 25 ° with the inclination angle of the contact surface of flap 2, the taper of the conical surface is 50 °.25 ° and
The inclination angle setting of 50 ° of cooperations is conducive to make flap that can automatically look for along inclined surface during moving downward or upward
Just, and then achieve the purpose that sealing.
In order to further improve sealing effect, the sealing problem caused by mismachining tolerance is avoided, in this embodiment, is being bored
One layer of soft sealing material layer 211 is provided on face 21, soft sealing material 211 can be that rubber, silica gel, polytetrafluoroethylene (PTFE) etc. are soft
Material.In the present embodiment, polytetrafluoroethylene (PTFE) is selected to be mainly in view of its corrosion resistance, by the aggregated height formed of tetrafluoroethene
Molecular compound has excellent chemical stability, corrosion resistance, leakproofness, high lubrication non-stick, electrical insulating property and good
Ageing resistance.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation is applied to other fields, but every without departing from the content of the technical scheme of the utility model, according to this reality
Any simple modification, equivalent variations and the remodeling made with novel technical spirit to above example, it is new to still fall within this practicality
The protection domain of type technical solution.
Claims (5)
1. a kind of novel three-way reversal valve, including reversing valve body, the reversing valve body include upper valve body setting up and down and
Lower valve body, the bottom of the lower valve body are provided with the first port, are provided with the second port on the side wall of the lower valve body, it is described on
Third connectivity mouth is provided on the side wall of valve body, flap is provided in the reversing valve body, is provided at the top of the upper valve body
Driving device, the driving device control flap to move up and down by valve rod, which is characterized in that the top and bottom of the lower valve body
Portion is provided with to be obliquely installed with the matched valve seat of flap, the contact surface of the valve seat and flap, be provided on the flap with
The valve seat matched conical surface is provided with one layer of soft sealing material layer on the conical surface.
2. a kind of novel three-way reversal valve according to claim 1, which is characterized in that the conical surface is arranged on the upper of flap
Lower both ends.
A kind of 3. novel three-way reversal valve according to claim 2, which is characterized in that valve seat contact with flap
The inclination angle in face is 25 °, and the taper of the conical surface is 50 °.
A kind of 4. novel three-way reversal valve according to claim 3, which is characterized in that the material of the soft sealing material layer
For polytetrafluoroethylene (PTFE).
5. a kind of novel three-way reversal valve according to claim 4, which is characterized in that second port and third connectivity mouth
Between staggeredly be symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721735702.XU CN207569264U (en) | 2017-12-13 | 2017-12-13 | A kind of novel three-way reversal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721735702.XU CN207569264U (en) | 2017-12-13 | 2017-12-13 | A kind of novel three-way reversal valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569264U true CN207569264U (en) | 2018-07-03 |
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ID=62688001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721735702.XU Active CN207569264U (en) | 2017-12-13 | 2017-12-13 | A kind of novel three-way reversal valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757951A (en) * | 2018-07-24 | 2018-11-06 | 浙江力诺流体控制科技股份有限公司 | Combined type regulating valve |
-
2017
- 2017-12-13 CN CN201721735702.XU patent/CN207569264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757951A (en) * | 2018-07-24 | 2018-11-06 | 浙江力诺流体控制科技股份有限公司 | Combined type regulating valve |
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