CN207268321U - A kind of dual-purpose valve - Google Patents
A kind of dual-purpose valve Download PDFInfo
- Publication number
- CN207268321U CN207268321U CN201721114343.6U CN201721114343U CN207268321U CN 207268321 U CN207268321 U CN 207268321U CN 201721114343 U CN201721114343 U CN 201721114343U CN 207268321 U CN207268321 U CN 207268321U
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- valve
- valve body
- rod
- dual
- push rod
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Abstract
The utility model discloses a kind of dual-purpose valve, including upper valve body and lower valve body, the valve chamber with pipeline connection is formed in lower valve body, the valve closing valve for preventing fluid from being flowed in valve chamber is rotatably connected in valve chamber, the pushing component for promoting valve closing valve closure lower valve body is provided with upper valve body, pushing component includes the valve rod being threadedly coupled with upper valve body, valve rod one end is connected to promote the push rod of valve closing valve and be connected to the rotation hand wheel of the valve rod other end, the first locating part for making valve closing valve keep vertical is provided with lower valve body, being provided with upper valve body makes the second locating part of valve closing valve holding level, the utility model passes through the promotion of push rod and the rotation of valve closing valve, so that single valve is the effect for realizing shut-off valve and check-valves, greatly save the occupied space of valve, reduce cost.
Description
Technical field
The utility model belongs to valve field, and in particular to a kind of dual-purpose valve.
Background technology
At present, check-valves can be first installed in general pipeline, then shut-off valve is installed, two valves are installed on pipeline so that
The occupied space of valve is larger, increases cost.
Utility model content
Technical problem to be solved in the utility model be just to provide it is a kind of can not only shut off but also can non-return dual-purpose valve.
In order to solve the above technical problems, the utility model adopts the following technical solution：A kind of dual-purpose valve, including upper valve
Body and lower valve body, form the valve chamber with pipeline connection in lower valve body, are rotatably connected in valve chamber and prevent fluid from being flowed in valve chamber
Valve closing valve, the pushing component for promoting valve closing valve closure lower valve body is provided with upper valve body, pushing component includes and upper valve body spiral shell
The valve rod of line connection, the push rod for being connected to valve rod one end promotion valve closing valve and the rotation hand wheel for being connected to the valve rod other end, lower valve
The first locating part for making valve closing valve keep vertical is provided with body, the second limit for making the holding of valve closing valve horizontal is provided with upper valve body
Position part.
Further, it is provided with valve closing valve and the matched slide of push rod.
Further, slide is the groove being arranged on valve closing valve.
Further, the limited block that anti-throw-out lever is deviate from from valve body is provided with push rod.
Further, limited block is the flange being looped around on push rod.
Further, the top of upper valve body is threaded with seal.
Further, the first abrasionproof packing ring is provided between seal and valve body.
Further, the second abrasionproof packing ring, the bottom and first of the second abrasionproof packing ring are provided between seal and valve rod
Offset at the top of abrasionproof packing ring.
Compared with prior art, the beneficial effects of the utility model are：
1st, check-valves is used as in use, rotating rotation hand wheel, valve rod moves up, and valve rod drives push rod to move up,
When the step-like sidewalls of the limited block on push rod and upper valve body top offset, stop operating rotation hand wheel, and limited block rises
To the effect being limited in valve rod in upper valve body, prevent from persistently rotating rotation hand wheel because that can not observe until valve rod is from upper valve body
Interior abjection；When fluid enters valve chamber, fluid forces valve closing valve from entrance, valve closing valve does not have the stop of push rod and rotates around the axis,
So that valve closing valve no longer offsets with the first locating part, the entrance and exit of valve chamber is connected, and fluid enters through valve chamber again from entrance
Flowed out from outlet, if fluid will flow back, the fluid to flow back can promote valve closing valve to re-close valve chamber, prevent fluid reflux, make
Obtaining fluid can only enter from entrance and then be flowed out from outlet, have the function that check-valves, when valve closing valve and the second locating part offset
When, the holding of valve closing valve is horizontal and valve closing valve stops being rotated further, and prevents valve closing valve to be rotated further so that the slewing area of valve closing valve
It is limited in 90 degree.Shut-off valve is used as in use, rotating rotation hand wheel, and valve rod moves down, and valve rod drives push rod downward
Mobile, valve closing valve rotates under the promotion of push rod, is offseted to valve closing valve and the with locating part, and valve closing valve encloses valve chamber at this time,
Fluid is stopped by valve closing valve, has the function that shut-off valve；Single valve is the effect for realizing shut-off valve and check-valves, is greatlyd save
The occupied space of valve, reduces cost.
2nd, during by setting slide push rod on valve closing valve and closing valve flap contacts and promote valve closing valve, all the time
In slide, play the role of guiding to push rod so that push rod promotes more smooth.
3rd, the groove by being arranged to slide on valve closing valve so that valve closing valve need to only open up a groove i.e. in production
Can, without installing other structures as slide, the difficulty of processing and production cost of reduction valve closing valve.
4th, when the second locating part on the limited block and upper valve body on push rod offsets, stop operating rotation hand wheel,
Limited block plays the role of valve rod being limited in upper valve body, prevents from persistently rotating rotation hand wheel because that can not observe until valve rod
Deviate from out of upper valve body.
4th, when offseting spacing to valve rod progress with valve body, the flange of push rod border contacts flange with upper valve body, makes
Being more uniformly stressed for push rod is obtained, prevents from causing push rod that bending or the junction of limited block and push rod hair occurs because of unbalance stress
Raw fracture, extends the service life of push rod.
6th, the seal on upper valve body top prevents the fluid in valve chamber from being leaked out from upper valve body, is between seal and upper valve body
It is threadedly coupled so as to be detachably connected between seal and upper valve body, when seal damages, seal can be disassembled
Replaced, without whole valve is needed to change, maintenance easy to produce, saves maintenance cost.
7th, when seal is tightened onto on upper valve body by screw thread, when the first abrasionproof packing ring phase between seal and valve body
Seal stops operating during contact, and the top of the first abrasionproof packing ring offsets with seal, and bottom offsets with upper valve body, the first abrasionproof
The inner wall of packing ring offsets with valve rod, and the effect of sealing is also functioned to while preventing and rubbing between seal and upper valve body.
8th, the second abrasionproof packing ring between seal and valve rod prevents from wearing between seal and valve rod, the first abrasionproof
Packing ring encloses the second anti-abrasion pad the effect of support so that the second abrasionproof packing ring is always positioned between seal and valve rod, is prevented
Only the second abrasionproof packing ring moves.
Compared with prior art, the utility model passes through the promotion of push rod and the rotation of valve closing valve so that single valve is
Realize the effect of shut-off valve and check-valves, greatly save the occupied space of valve, reduce cost.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the schematic diagram that a kind of dual-purpose valve of the utility model is used as check-valves；
Fig. 2 is the schematic diagram that a kind of dual-purpose valve of the utility model is used as shut-off valve；
Fig. 3 is the schematic diagram of valve closing valve.
Wherein：1st, upper valve body；2nd, lower valve body；21st, valve chamber；22nd, entrance；23rd, export；3rd, valve closing valve；31st, shaft；32nd, it is recessed
Groove；4th, pushing component；41st, valve rod；42nd, push rod；421st, limited block；43rd, rotation hand wheel；5th, seal；6th, the first abrasionproof packing ring；
7th, the second abrasionproof packing ring；8th, the first locating part；9th, the second locating part.
Embodiment
It is described further referring to figs. 1 to the embodiment of Fig. 3 dual-purpose valves a kind of to the utility model.
A kind of dual-purpose valve, as shown in Figure 1, including upper valve body 1 and lower valve body 2, the interior formation of lower valve body 2 and pipeline connection
Valve chamber 21, the left side of lower valve body 2 is entrance 22, and right side is outlet 23, is connected with valve closing valve 3 in valve chamber 21, valve closing valve 3 passes through
Shaft 31 is rotatablely connected with valve chamber 21, the first locating part 8 for making valve closing valve 3 keep vertical is provided with lower valve body 2, first is spacing
Part 8 is provided with the second locating part 9 for making 3 holding of valve closing valve level, valve closing valve 3 is first to 21 internal projection of valve chamber on upper valve body 1
Rotated between 8 and second locating part 9 of locating part, slewing area is 90 degree, the longitudinal section of the side wall of upper valve body 1 be it is step-like, under
The step in portion forms the second locating part 9, and the pushing component 4 for promoting valve closing valve 3 to close lower valve body 2 is provided with upper valve body 1, promotes
Component 4 includes with the valve rod 41 of the threaded connection of upper valve body 1, is connected to the push rod 42 of 41 one end of valve rod promotion valve closing valve 3 and is connected
It is provided with the rotation hand wheel 43 of 41 other end of valve rod, valve closing valve 3 and is closed with 42 matched slide of push rod, slide to be arranged on
Groove 32 on flap 3, is provided with the limited block 421 that anti-throw-out lever 42 is deviate from from valve body on push rod 42, limited block 421 is circular
Flange on push rod 42, the top of upper valve body 1 are threaded with seal 5, and it is anti-that first is provided between seal 5 and valve body
Packing ring 6 is ground, the second abrasionproof packing ring 7, bottom and the first abrasionproof of the second abrasionproof packing ring 7 are provided between seal 5 and valve rod 41
The top of packing ring 6 offsets.
As shown in Figure 1, to be used as check-valves in use, rotating rotation hand wheel 43, valve rod 41 moves up, and valve rod 41 drives
Push rod 42 moves up, and when the step-like sidewalls of the limited block 421 on push rod 42 and 1 top of upper valve body offset, stops operating
Rotation hand wheel 43, limited block 421 play the role of valve rod 41 being limited in upper valve body 1, prevent from holding because that can not observe
It is continuous to rotate rotation hand wheel 43 until the abjection out of upper valve body 1 of valve rod 41；When fluid enters valve chamber 21 from entrance 22, fluid pushes away to the right
Dynamic valve closing valve 3, the stop of the no push rod 42 of valve closing valve 3 and 31 rotate counterclockwise around the shaft so that valve closing valve 3 no longer with the first limit
Position part 8 offsets, and the entrance 22 of valve chamber 21 is connected with outlet 23, and fluid enters through valve chamber 21 again from the stream of outlet 23 from entrance 22
Go out, if fluid will flow back, the fluid to flow back can promote valve closing valve 3 to re-close valve chamber 21 to the left, prevent fluid reflux so that
Fluid can only enter from entrance 22 and then from the outflow of outlet 23, have the function that check-valves, when 3 and second locating part 9 of valve closing valve
When offseting, 3 holding of valve closing valve is horizontal and valve closing valve 3 stops being rotated further, and prevents valve closing valve 3 to be rotated further so that valve closing valve 3
Slewing area is limited in 90 degree.
As shown in Fig. 2, to be used as shut-off valve in use, rotating rotation hand wheel 43, valve rod 41 moves down, and valve rod 41 drives
Push rod 42 moves down, and push rod 42 stretches into groove 32 and continues to move down so that valve closing valve 3 is suitable under the promotion of push rod 42
Hour hands rotate, and offset to 3 and first locating part 8 of valve closing valve, valve closing valve 3 encloses valve chamber 21 at this time, and fluid is hindered by valve closing valve 3
Gear, has the function that shut-off valve.
The seal 5 on 1 top of upper valve body prevents the fluid in valve chamber 21 from being leaked out from upper valve body 1, seal 5 and upper valve body 1
Between to be threadedly coupled so as to be detachably connected between seal 5 and upper valve body 1, when seal 5 damages, will can seal
Part 5, which disassembles, to be replaced, and without whole valve is needed to change, maintenance easy to produce, saves maintenance cost.
When seal 5 is tightened onto on upper valve body 1 by screw thread, when the first abrasionproof packing ring 6 between seal 5 and valve body
Seal 5 stops operating when being in contact, and top and the seal 5 of the first abrasionproof packing ring 6 offset, and bottom offsets with upper valve body 1, the
The inner wall of one abrasionproof packing ring 6 offsets with valve rod 41, and sealing is also functioned to while preventing and rubbing between seal 5 and upper valve body 1
Effect, the second abrasionproof packing ring 7 between seal 5 and valve rod 41 prevents from wearing between seal 5 and valve rod 41, first
Abrasionproof packing ring 6 plays the role of support to the second abrasionproof packing ring 7 so that the second abrasionproof packing ring 7 is always positioned at seal 5 and valve rod
Between 41, prevent the second abrasionproof packing ring 7 from moving.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
- A kind of 1. dual-purpose valve, it is characterised in that：Including upper valve body and lower valve body, the valve with pipeline connection is formed in lower valve body Chamber, the valve closing valve for preventing fluid from being flowed in valve chamber is rotatably connected in the valve chamber, and being provided with promotion on the upper valve body closes Flap closes the pushing component of lower valve body, and valve rod that pushing component includes being threadedly coupled with upper valve body, be connected to valve rod one end and push away Move the push rod of valve closing valve and be connected to the rotation hand wheel of the valve rod other end, being provided with the lower valve body makes valve closing valve keep vertical The first locating part, be provided with the second locating part for making valve closing valve holding level on the upper valve body.
- A kind of 2. dual-purpose valve according to claim 1, it is characterised in that：It is provided with the valve closing valve and push rod phase The slide of cooperation.
- A kind of 3. dual-purpose valve according to claim 2, it is characterised in that：The slide is to be arranged on valve closing valve Groove.
- A kind of 4. dual-purpose valve according to claim 1, it is characterised in that：Be provided with the push rod anti-throw-out lever from The limited block of valve body abjection.
- A kind of 5. dual-purpose valve according to claim 4, it is characterised in that：The limited block is to be looped around on push rod Flange.
- A kind of 6. dual-purpose valve according to any one of claims 1 to 5, it is characterised in that：The top of the upper valve body It is threaded with seal.
- A kind of 7. dual-purpose valve according to claim 6, it is characterised in that：It is provided between the seal and valve body First abrasionproof packing ring.
- A kind of 8. dual-purpose valve according to claim 7, it is characterised in that：It is provided between the seal and valve rod Second abrasionproof packing ring, the bottom of the second abrasionproof packing ring at the top of the first abrasionproof packing ring with offseting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114343.6U CN207268321U (en) | 2017-09-01 | 2017-09-01 | A kind of dual-purpose valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114343.6U CN207268321U (en) | 2017-09-01 | 2017-09-01 | A kind of dual-purpose valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207268321U true CN207268321U (en) | 2018-04-24 |
Family
ID=61960248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721114343.6U Active CN207268321U (en) | 2017-09-01 | 2017-09-01 | A kind of dual-purpose valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207268321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365520A (en) * | 2020-04-08 | 2020-07-03 | 河南省吉特阀门有限公司 | Combined valve of pneumatic high-pressure oil ejector |
-
2017
- 2017-09-01 CN CN201721114343.6U patent/CN207268321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365520A (en) * | 2020-04-08 | 2020-07-03 | 河南省吉特阀门有限公司 | Combined valve of pneumatic high-pressure oil ejector |
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