CN208719371U - Easily speed shut-off valve - Google Patents
Easily speed shut-off valve Download PDFInfo
- Publication number
- CN208719371U CN208719371U CN201821397033.4U CN201821397033U CN208719371U CN 208719371 U CN208719371 U CN 208719371U CN 201821397033 U CN201821397033 U CN 201821397033U CN 208719371 U CN208719371 U CN 208719371U
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- valve
- valve rod
- sealing element
- deck
- inner cavity
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Abstract
The utility model provides a kind of easy fast shut-off valve, including valve seat, valve deck, valve rod, monomer sealing element, valve wheel and spool；The valve rod passes through the valve deck, and the top and bottom of valve rod respectively correspond and connect with the valve wheel and spool；The inside of the valve seat is equipped with the inner cavity being adapted to the spool, and the monomer sealing element is installed on the bottom wall of the inner cavity, and the bottom wall of inner cavity and side wall are equipped with the channel being connected to valve seat outside；The valve deck is mounted on valve seat, contacts spool to make the channel of bottom wall and the channel disconnection of side wall with monomer sealing element by turn valve rod；The monomer sealing element and valve seat are detachable, and the inner cavity is equipped with compressing member, are connect by the valve deck with valve seat and valve deck is made to squeeze the compressing member, and then monomer sealing element is pressed on the bottom wall of the inner cavity.The utility model reduces the difficulty of maintenance sealing position, extends the service life of valve, while reducing the pollution to environment, improves the protection to environment.
Description
Technical field
The utility model relates to valve technology fields, and in particular to a kind of easy fast shut-off valve.
Background technique
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting
Or the functions such as overflow pressure relief.
So far in valve field, all there is maintenance inconvenience in whole valve products, in entirely, low pressure valve field
In, almost 95% or more valve, which all exists, is difficult to the phenomenon that repairing, main cause be because the sealing position of valve with
Valve body is made of one and can not dismantle, in addition the valuableness of labour cost, producer also without selling corresponding components, causes to repair
Cost, which is higher than, buys new valve, so bringing the biggish wasting of resources, all kinds of valves to the mankind in valve field at present
If sealing position once damaged will result in valve fit badly and can not normal use, thus need replacing new valve
Door, so the valve changed is eliminated, thus brings the biggish wasting of resources to the mankind.In addition, current valve institute
There are many toxic, harmful, mordant medium in the medium used, the valve almost scrapped at present is all no to pass through phase
The technical treatment of pass, so the ecological environment to the mankind causes very big pollution.
Utility model content
For the defects in the prior art, the utility model provides a kind of easy fast shut-off valve, to reduce maintenance sealing position
Difficulty, extend the service life of valve, while reducing the pollution to environment, improve the protection to environment.
The utility model provides a kind of easy fast shut-off valve, including valve seat, valve deck, valve rod, monomer sealing element, valve wheel and valve
Core；The valve rod passes through the valve deck, and the top and bottom of valve rod respectively correspond and connect with the valve wheel and spool；It is described
The inside of valve seat is equipped with the inner cavity being adapted to the spool, and the monomer sealing element is installed on the bottom wall of the inner cavity, and interior
The bottom wall and side wall of chamber are equipped with the channel being connected to valve seat outside；The valve deck is mounted on valve seat, is made by turn valve rod
Spool contacts the channel for making bottom wall and the channel of side wall with monomer sealing element and disconnects；
The monomer sealing element and valve seat are detachable, and the inner cavity is equipped with compressing member, are connect by the valve deck with valve seat
And so that valve deck is squeezed the compressing member, and then monomer sealing element is pressed on the bottom wall of the inner cavity.
Preferably, the lower surface of the spool is the curved surface of protrusion, and the monomer sealing element is equipped with and is adapted to the curved surface
Conical through-hole, the channel for contacting the channel and side wall for making bottom wall with conical through-hole by the curved surface of spool disconnect.
The curved surface of spool and the conical through-hole of monomer sealing element form tapered surface sealing, considerably increase sealing area, from
And improve the leakproofness of this equipment.
Preferably, the first gasket is equipped between the monomer sealing element and the bottom wall of the inner cavity, for improving monomer
The leakproofness of sealing element and valve seat.
The conical through-hole of monomer sealing element and the curved surface of spool are the sealing positions of whole equipment, and seal degree determines
The sealing performance of entire shut-off valve, but the leakproofness of the contact portion of monomer sealing element and bottom wall of inner cavity is closeer than sealing position
Envelope property is poor, therefore the leakproofness at the position is improved by the first gasket, to be conducive to improve the leakproofness of whole equipment.
Preferably, the top of the compressing member is equipped with step, and the inner cavity is equipped with the step surface being adapted to the step, leads to
The step and step face contact are crossed to limit the maximum pressing force of compressing member.
The maximum pressing force that compressing member is applied to monomer sealing element is limited by step and step face contact, prevents the maximum
Pressing force is excessive and the deformation of monomer sealing element is made to influence sealing performance.
Preferably, the valve seat and valve deck are bolted, and the second gasket is equipped between valve seat and valve deck, use
Leakproofness between raising valve seat and valve deck.
Preferably, the top of the valve rod and the rotation connection of the top of valve deck, make valve rod or more by rotary valve rod
It is mobile.
Preferably, the top of the valve rod is equipped with external screw thread, and the top of valve deck is equipped with T-type screw and T-type screw is equipped with
The internal screw thread being adapted to the external screw thread of valve rod is set in the outer surface of valve rod by the T-type screw, and then makes valve rod and T-type
Screw formation is threadedly engaged.
T-type screw is fixed on the top of valve deck by hexagon socket head cap screw, and valve rod is moved up and down by the realization of T-type screw,
To move up and down change on off operating mode with movable valve plug.
Preferably, the lower part of the valve deck is equipped with counterbore, and the diameter of the counterbore is greater than the diameter of the valve rod, the valve
Bar forms gap through the counterbore and then between valve rod and the side wall of counterbore.
Preferably, the counterbore is equipped with the lock nut of adaptation, and the insertion end of the lock nut is equipped with external screw thread, and
The side wall of counterbore is equipped with the internal screw thread being adapted to the external screw thread of insertion end；The gap is equipped with multiple sealing rings, the locking screw
Cap by insertion end precession counterbore, and then sealing ring is locked in gap along gap.
Since the lower part of valve rod and valve deck is to be slidably matched, the leakproofness of the two contact site is poor, passes through sealing ring here
The leakproofness both greatly improved, and there are three sealing ring sets, further improve the leakproofness of whole equipment.
Preferably, the valve rod runs through the lock nut and is formed between valve rod and lock nut and is slidably matched.
The beneficial effects of the utility model are embodied in:
Monomer sealing element and seat design are also configured as removable by this equipment for detachable structure and valve rod and spool
The structure divided, has broken the structure that traditional monomer sealing element and valve seat are integrated.When monomer sealing element is due to long-time uses
After being worn, valve deck and valve seat is split, then compressing member is taken out, separate monomer sealing element with valve seat, it can be light
Monomer sealing element is removed to be replaced.Entire replacement process is very simple, on the one hand greatly reduces replacement sealing position
Difficulty, improves maintenance efficiency, and still further aspect replaces the cost of monomer sealing element more than entire section of replacement valve seat or replacement
Only the cost of valve is low, and the expense of maintenance shut-off valve is greatly saved.Further, since there are many in medium used in shut-off valve
Toxic, harmful, mordant medium, this equipment greatly reduces the quantity for replacing entire shut-off valve, to reduce to environment
Pollution improves the protection to environment.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is Fig. 1 perspective view；
Fig. 3 is the cross-sectional view of A-A in Fig. 1；
Fig. 4 is the cross-sectional view of B-B in Fig. 1；
Fig. 5 is the enlarged drawing in Fig. 3 at C；
Fig. 6 is the enlarged drawing in Fig. 3 at D；
Fig. 7 is the enlarged drawing in Fig. 3 at E.
In attached drawing, 1- valve seat, 2- valve deck, 3- valve rod, 4- monomer sealing element, 5- valve wheel, 6- spool, 7- nut, 8- gasket,
9- groove, 10- steel ball, 11- hexagon socket head cap screw, the inner cavity 12-, the channel 13-, 14- bolt, the first gasket of 15-, 16- second are close
Packing, 17- step, 18- step surface, 19-T type screw, the gap 20-, 21- lock nut, 22- sealing ring, 23- compressing member
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
As illustrated in figs. 1 and 2, a kind of easy fast shut-off valve, including valve seat 1, valve deck 2, valve rod 3, list are present embodiments provided
Body sealing element 4, valve wheel 5 and spool 6.The valve rod 3 pass through the valve deck 2, and the top and bottom of valve rod 3 respectively correspond with
The valve wheel 5 and spool 6 connect, and specific connection structure is as follows:
As shown in Fig. 3, Fig. 4 and Fig. 7, the upper end of valve rod 3 is equipped with external screw thread, the nut 7 by being adapted to the external screw thread and
Valve wheel 5 is fixed on the upper end of valve rod 3 by gasket 8.The outer surface of the lower end of valve rod 3 be equipped with annular groove 9, spool 6 be equipped with
The counterbore that valve rod 3 is adapted to, the side wall of the counterbore is equipped with groove 9 corresponding with the groove 9 of annular of valve rod 3, in addition, spool 6 is heavy
The side wall in hole is additionally provided with the threaded hole being connected to the groove 9 of spool 6.The lower end of valve rod 3 is inserted into the counterbore of spool 6, and
Two grooves 9 are opposite, so that two grooves 9 be made to form annular through-hole.It is put by the threaded hole of 6 side wall of spool toward annular through-hole
Steel ball 10 is finally screwed into hexagon socket head cap screw 11 in threaded hole, so that spool 6 is mounted on valve rod up to filling up entire annular through-hole
3 lower end.Spool 6 also belongs to easy-abrasion part, hexagon socket head cap screw 11 can be screwed out, and takes out steel ball 10, splits spool 6 more
It changes, improves the service life of entire easily fast shut-off valve.
The inside of the valve seat 1 is equipped with the inner cavity 12 being adapted to the spool 6, and the monomer sealing element 4 is installed on described
The bottom wall of inner cavity 12, and the bottom wall of inner cavity 12 and side wall are equipped with the channel 13 being connected to outside valve seat 1, and two channels 13 are used
It is connect in pipeline.The valve deck 2 is mounted on valve seat 1, by turn valve rod 3 contact spool 6 with monomer sealing element 4 to
The channel 13 in the channel 13 and side wall that make bottom wall disconnects.The valve seat 1 and valve deck 2 are connected by four bolts 14 with nut 7
It connects, and is equipped with the second gasket 16 between valve seat 1 and valve deck 2, for improving the leakproofness between valve seat 1 and valve deck 2.
As shown in Figure 3 and Figure 5, in order to reduce the difficulty for repairing sealing position, extend the service life of valve, the monomer
Sealing element 4 and valve seat 1 are detachable, and the inner cavity 12 is equipped with compressing member 23, are connect by the valve deck 2 with valve seat 1 and make valve
Lid 2 squeezes the compressing member 23, and then monomer sealing element 4 is pressed on the bottom wall of the inner cavity 12.Further, the valve
The lower surface of core 6 is the curved surface of protrusion, and the monomer sealing element 4 is equipped with the conical through-hole being adapted to the curved surface, passes through spool 6
Curved surface contacts the channel 13 for making bottom wall and the channel 13 of side wall with conical through-hole and disconnects.The curved surface and monomer of spool 6 seal
The conical through-hole of part 4 forms tapered surface sealing, sealing area is considerably increased, to improve the leakproofness of this equipment.In addition,
The top of the compressing member 23 is equipped with step 17, and the inner cavity 12 is equipped with the step surface 18 being adapted to the step 17, passes through institute
Step 17 is stated to contact to limit the maximum pressing force of compressing member 23 with step surface 18.Limit is contacted with step surface 18 by step 17
Compressing member 23 processed is applied to the maximum pressing force of monomer sealing element 4, prevents the maximum pressing force excessive and becomes monomer sealing element 4
Shape influences sealing performance.
The conical through-hole of monomer sealing element 4 and the curved surface of spool 6 are the sealing positions of whole equipment, and seal degree determines
The sealing performance of entire shut-off valve, but the leakproofness of the contact portion of monomer sealing element 4 and inner cavity 12 bottom wall compares sealing
The leakproofness of position is poor, in order to improve the leakproofness of monomer sealing element 4 Yu valve seat 1, the monomer sealing element 4 and the inner cavity 12
It is equipped with the first gasket 15 between bottom wall, therefore improves the leakproofness at the position by the first gasket 15, to be conducive to mention
The leakproofness of high whole equipment.
Valve deck 2 and the specific connection structure of valve rod 3 are as follows:
As shown in fig. 6, the top of the valve rod 3 and the top rotation connection of valve deck 2, make valve by rotary valve rod 3
Bar 3 moves up and down.Specifically, the top of the valve rod 3 is equipped with external screw thread, and the top of valve deck 2 is equipped with T-type screw 19 and T-type
Screw 19 is equipped with the internal screw thread being adapted to the external screw thread of valve rod 3, and the outer surface of valve rod 3 is set in by the T-type screw 19, into
And it forms valve rod 3 with T-type screw 19 and is threadedly engaged.T-type screw 19 is fixed on the top of valve deck 2 by hexagon socket head cap screw 11,
And valve rod 3 is moved up and down by the realization of T-type screw 19, to move up and down change on off operating mode with movable valve plug 6.The valve deck 2
Lower part be equipped with counterbore, the diameter of the counterbore is greater than the diameter of the valve rod 3, and the valve rod 3 is through the counterbore and then exists
Gap 20 is formed between valve rod 3 and the side wall of counterbore, and the valve rod 3 is through the lock nut 21 and valve rod 3 and lock
It is formed and is slidably matched between tight nut 21.The counterbore is equipped with the lock nut 21 of adaptation, the insertion end of the lock nut 21
Equipped with external screw thread, and the side wall of counterbore is equipped with the internal screw thread being adapted to the external screw thread of insertion end；The gap 20 is equipped with multiple
Sealing ring 22 by insertion end precession counterbore, and then is locked at gap along gap 20 by sealing ring 22, the lock nut 21
In 20.Since the lower part of valve rod 3 and valve deck 2 is to be slidably matched, the leakproofness of the two contact site is poor, passes through sealing ring 22 here
The leakproofness both greatly improved, and there are three sealing ring 22 sets, further improve the leakproofness of whole equipment.
Monomer sealing element 4 and valve seat 1 are designed as detachable structure and valve rod 3 and spool 6 and also design in the present embodiment
For detachable structure, the structure that traditional monomer sealing element 4 and valve seat 1 are integrated is broken.When monomer sealing element 4 because it is long when
Between using and after being worn, valve deck 2 and valve seat 1 are split, then compressing member 23 is taken out, finally make monomer sealing element 4 and valve seat 1
Separation, monomer sealing element 4 can be gone out with easy removal and is replaced.Entire replacement process is very simple, on the one hand greatly reduces
The difficulty for replacing sealing position, improves maintenance efficiency, and still further aspect replaces the cost of monomer sealing element 4 more than replacement valve
The cost of seat 1 or the entire shut-off valve of replacement is low, and the expense of maintenance shut-off valve is greatly saved.Further, since shut-off valve is made
There are many toxic in medium, harmful, mordant medium, this equipment greatly reduces the number for replacing entire shut-off valve
Amount improves the protection to environment to reduce the pollution to environment.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (10)
1. a kind of easy fast shut-off valve, including valve seat, valve deck, valve rod, monomer sealing element, valve wheel and spool；The valve rod passes through institute
Valve deck is stated, and the top and bottom of valve rod respectively correspond and connect with the valve wheel and spool；The inside of the valve seat be equipped with
The inner cavity of the spool adaptation, the monomer sealing element is installed on the bottom wall of the inner cavity, and the bottom wall of inner cavity and side wall are equal
Equipped with the channel being connected to valve seat outside；The valve deck is mounted on valve seat, makes spool and monomer sealing element by turn valve rod
Contact is to make the channel of bottom wall and the channel disconnection of side wall；
It is characterized by: the monomer sealing element and valve seat are detachable, the inner cavity is equipped with compressing member, passes through the valve deck and valve
Seat connects and valve deck is made to squeeze the compressing member, and then monomer sealing element is pressed on the bottom wall of the inner cavity.
2. easy fast shut-off valve according to claim 1, it is characterised in that: the lower surface of the spool is the curved surface of protrusion,
The monomer sealing element is equipped with the conical through-hole being adapted to the curved surface, contacts to make bottom with conical through-hole by the curved surface of spool
The channel of wall and the channel of side wall disconnect.
3. easy fast shut-off valve according to claim 1, it is characterised in that: the bottom wall of the monomer sealing element and the inner cavity
Between be equipped with the first gasket, for improving the leakproofness of monomer sealing element and valve seat.
4. easy fast shut-off valve according to claim 1, it is characterised in that: the top of the compressing member is equipped with step, described
Inner cavity is equipped with the step surface being adapted to the step, is pressed by the step and step face contact to limit the maximum of compressing member
Clamp force.
5. easy fast shut-off valve according to claim 1, it is characterised in that: the valve seat and valve deck are bolted, and
And the second gasket is equipped between valve seat and valve deck, for improving the leakproofness between valve seat and valve deck.
6. -5 described in any item easy fast shut-off valves according to claim 1, it is characterised in that: the top of the valve rod and valve deck
Top rotation connection, move up and down valve rod by rotary valve rod.
7. easy fast shut-off valve according to claim 6, it is characterised in that: the top of the valve rod is equipped with external screw thread, valve deck
Top be equipped with T-type screw and T-type screw and be equipped with the internal screw thread being adapted to the external screw thread of valve rod, pass through the T-type nut sleeve
It is located at the outer surface of valve rod, and then forms valve rod with T-type screw and is threadedly engaged.
8. -5 described in any item easy fast shut-off valves according to claim 1, it is characterised in that: the lower part of the valve deck is equipped with heavy
Hole, the diameter of the counterbore are greater than the diameter of the valve rod, and the valve rod is through the counterbore and then in the side of valve rod and counterbore
Gap is formed between wall.
9. easy fast shut-off valve according to claim 8, it is characterised in that: the counterbore is equipped with the lock nut of adaptation, institute
The insertion end for stating lock nut is equipped with external screw thread, and the side wall of counterbore is equipped with the internal screw thread being adapted to the external screw thread of insertion end；
The gap is equipped with multiple sealing rings, and the lock nut by insertion end precession counterbore, and then sealing ring is locked along gap
Tightly in gap.
10. easy fast shut-off valve according to claim 9, it is characterised in that: the valve rod through the lock nut and
It is formed and is slidably matched between valve rod and lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821397033.4U CN208719371U (en) | 2018-08-28 | 2018-08-28 | Easily speed shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821397033.4U CN208719371U (en) | 2018-08-28 | 2018-08-28 | Easily speed shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719371U true CN208719371U (en) | 2019-04-09 |
Family
ID=65979898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821397033.4U Active CN208719371U (en) | 2018-08-28 | 2018-08-28 | Easily speed shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208719371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021233076A1 (en) * | 2020-05-18 | 2021-11-25 | 浙江盾安人工环境股份有限公司 | Stop valve |
-
2018
- 2018-08-28 CN CN201821397033.4U patent/CN208719371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021233076A1 (en) * | 2020-05-18 | 2021-11-25 | 浙江盾安人工环境股份有限公司 | Stop valve |
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