CN208804318U - A kind of antitheft check function blind rod type shut-off valve of band - Google Patents
A kind of antitheft check function blind rod type shut-off valve of band Download PDFInfo
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- CN208804318U CN208804318U CN201821437769.XU CN201821437769U CN208804318U CN 208804318 U CN208804318 U CN 208804318U CN 201821437769 U CN201821437769 U CN 201821437769U CN 208804318 U CN208804318 U CN 208804318U
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- valve
- rod
- check function
- type shut
- nut
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Abstract
The utility model discloses a kind of antitheft check function blind rod type shut-off valves of band, it is by valve body, valve deck, valve rod, flap component etc. is constituted, valve stem nut is equipped with mainly between valve rod lower end and flap component, the valve stem nut can be rotated by valve rod makees lifting moving, decline when valve rod driving stem nut is mobile, limbers in energy pushing tow flap component sealing valve body, realize the cutoff function of shut-off valve, it can also be risen by valve rod driving stem nut is mobile, shift motion can be then generated between flap component and valve stem nut, to make flap component and limbers constitute non-return opening and closing, to reach the check function of check-valves.Improved blind rod type shut-off valve is on the basis of the dark rod structure anti-theft effect of reservation is reliable, moreover it is possible to be provided simultaneously with cut-off and check function, therefore have the characteristics that a valve is dual-purpose, easy to use, construction cost is lower；Meanwhile valve rod upper end is hidden in the cover added, it is necessary to could be opened by dedicated handwheel, anti-theft function is also relatively reliable.
Description
Technical field
The utility model relates to implement to refer in particular to a kind of band to the blind rod type shut-off valve of water management in a kind of water supply system
Antitheft check function blind rod type shut-off valve.
Background technique
Currently, shut-off valve commonly used in water supply system is rising stem (RS.) structure, when operation with the unlatching of shut-off valve or
Close, valve rod and operation handwheel also rise with it or decline, valve rod and operation handwheel it is exposed outside, then be difficult to carry out it
Locking security is to prevent stolen water and management of the use of water from bringing puzzlement to property and building construction unit；Therefore, band anti-theft function
Blind rod type shut-off valve i.e. come into being, structure mainly by valve body, the valve deck being sealingly mounted in body top mounting hole,
The valve rod that rotary seal is mounted in valve deck and the flap component being arranged in above the limbers of valve body etc. are constituted, the flap component
It is set as screw connection structure with valve rod lower end, when operating valve lever positive and negative rotation, the rotary motion of valve rod can be converted into valve
Valve component opens and closes limbers to realize flap component and seal with respect to the lifting moving of valve rod.
Since the valve rod of above-mentioned blind rod type shut-off valve is only from then without lifting, rising stem type shut-off valve anti-theft effect is compared more
Add obvious；However, either rising stem type shut-off valve or blind rod type shut-off valve, they can not all carry out backwater control, i.e., not have
The standby check function for preventing aqueous reflux, then in the water supply system for needing to carry out backwater control, it usually needs in addition install again only
Returning valve prevents aqueous reflux, both will increase construction cost, also makes troubles to using.
Summary of the invention
One kind is provided and is provided simultaneously with the technical problem to be solved by the utility model is to overcome the deficiencies of existing technologies
Antitheft and check function, a valve be dual-purpose, easy to use, the antitheft check function blind rod type shut-off valve of the lower band of construction cost.
The technical issues of the utility model, is achieved through the following technical solutions:
A kind of antitheft check function blind rod type shut-off valve of band, including valve body, is sealingly mounted in body top mounting hole
The valve rod that valve deck, rotary seal are mounted in valve deck and the flap component being arranged in above the limbers of valve body, the valve rod
Lower end is equipped with valve stem nut, which is rotated by valve rod and make lifting moving, and the mobile decline of valve stem nut and pushing tow institute
It states the sealing of flap component and closes limbers or the mobile rising of valve stem nut, the flap component and limbers constitute non-return opening and closing.
The threaded hole axially penetrated through is equipped in the valve stem nut, which is threadedly coupled by the threaded hole
In valve rod lower end, and is rotated by valve rod and make lifting moving.
The valve rod lower end is equipped with stroke hole, and the flap component is equipped with the guide rod upwardly extended.
The valve stem nut movement rises and flap component and limbers is made to constitute non-return opening and closing, which wears
The threaded hole of valve stem nut and guiding activity disengaging are crossed in stroke hole.
The guiding active mounting of guide post and pilot hole is set between the valve stem nut outer wall and valve deck inner wall
Structure.
The guide post and pilot hole is the hexagon column and hexagonal hole for being oriented to active mounting.
The valve rod upper end stretches out valve deck and is equipped with triangular prism unlatching head.
The cover being equipped with including closing triangular prism unlatching head-shield at the top of the valve deck is equipped with top in hood top
Hole, and closed protective cover is equipped in apical pore.
The cover cover closes at the top of valve deck, is equipped with bottom shoulder in the cover bottom outer-edge, the cover is externally provided with clamp nut, should
Clamp nut, which screws, to be connected at the top of valve deck, and oppresses bottom shoulder and the cover is fixed at the top of valve deck.
Compared with prior art, the utility model is mainly equipped with valve stem nut between valve rod lower end and flap component,
The valve stem nut can be rotated by valve rod and make lifting moving, and when the mobile decline of valve rod driving stem nut, can pushing tow
The limbers that flap component seals in valve body can also be by valve rod driving stem nut to realize the cutoff function of shut-off valve
It is mobile to rise, then a shift motion can be generated between flap component and valve stem nut, so that flap component and water flowing
Hole constitutes non-return opening and closing, to reach the check function of check-valves.Improved blind rod type shut-off valve is antitheft in the dark rod structure of reservation
On the basis of effect is reliable, moreover it is possible to it is provided simultaneously with cut-off and check function, therefore dual-purpose, the easy to use, construction cost with a valve
The features such as lower；Meanwhile valve rod upper end is hidden in the cover added, it is necessary to could be opened by dedicated handwheel, anti-theft function
Also relatively reliable.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the utility model.
Fig. 2 is the stereogram exploded view of Fig. 1.
Fig. 3 is the structural schematic diagram of dedicated handwheel.
Specific embodiment
It will elaborate again by above-mentioned attached drawing to the utility model embodiment below.
As shown in Fig. 1 ~ Fig. 3,1. valve bodies, 2. flap components, 21. flap seats, 22. flaps, 23. attaching nuts, 24. guiding
Bar, 3. valve stem nuts, 31. guide posts, 4. valve rods, 41. stroke holes, 42. triangular prisms open head, 5. valve decks, 51. pilot holes, 6.
Mouth face gasket, 7. clamp nuts, 8. two pass O-rings, 9. the covers, 91. bottom shoulders, 92. apical pores, 10. protective covers, 11. retaining rings, 12.
Limbers, 13. dedicated handwheels, 131. vertical handle sets, 132. triangular prism open holes.
A kind of antitheft check function blind rod type shut-off valve of band has related generally in a kind of water supply system as shown in Figure 1 and Figure 2
Implement to water management and be provided simultaneously with it is antitheft cut-off and check function valve, structure include valve body 1, valve deck 5, valve rod 4,
The cover 9, valve stem nut 3 and flap component 2 etc..
The valve body 1 is cylindric three-port structure, and taking the example shown in figure 1, left and right both ends are respectively water inlet and water outlet
Hole, and be equipped with pipe screw thread and connect respectively with water supply pipe, limbers 12, the axle center of the limbers are equipped between entery and delivery port
Line is vertical central lines；5 upper/lower terminal of valve deck is equipped with external screw thread, and valve deck 5 screws connection with the external screw thread of lower end
In the mounting hole at 1 top of valve body, periphery is equipped with external shoulder between the external screw thread of 5 upper and lower end of valve deck, that is, in the middle part of valve deck,
Then after valve deck 5 screws at the top of valve body 1, settable mouth face gasket 6 is between external shoulder and valve body 1 to realize connection between the two
Sealing.
Axial pass-through holes are equipped in the valve deck 5, the valve rod 4 passes through the rotary seal in a vertical shape of two pass O-ring 8
It is mounted in valve deck 5, which is equipped with valve stem nut 3, structure are as follows: the screw thread axially penetrated through is equipped in valve stem nut 3
Hole, valve stem nut 3 are connected to 4 lower end of valve rod by threaded hole；Meanwhile it being set respectively between 5 inner wall of 3 outer wall of valve stem nut and valve deck
For the guiding active mounting structure of guide post 31 and pilot hole 51, generally the guiding fitting configuration of regular polygon, the present embodiment
Using the guiding fitting configuration of hexagon column as shown in Figure 2 and hexagonal hole；It therefore, will after valve rod 4 makees positive and negative rotation
Convert rotational motion to the lifting moving of driving stem nut 3.
The flap component 2 is arranged above limbers 12, mainly consolidates by flap seat 21 and by attaching nut 23
Dingan County mounted in flap seat bottom rubber system flap 22 constitute, the another side of attaching nut 23 also pass through riveting method give into
One step is fixed, and to prevent the connection loose or dislocation of flap 22, is set on the flap component 2, in the middle part of the top surface of specifically flap seat 21
There is the guide rod 24 upwardly extended, and is equipped with stroke hole 41 in 4 lower end of valve rod.
Therefore, when 4 driving stem nut 3 of valve rod is mobile to be declined, 3 lower end of valve stem nut can be contacted in flap seat 21
On, and pushing tow flap 22 seals the limbers 12 in valve body 1, to realize the cutoff function of shut-off valve, or when valve rod 4 drives
Ovable valve stem nut 3 is mobile to be risen, then a shift motion can be generated between flap seat 21 and valve stem nut 3, that is, be oriented to
24 upper end of bar passes through the threaded hole of valve stem nut 3 and guiding activity passes in and out in stroke hole 41, so that flap component 2 and logical
Water hole 12 constitutes non-return opening and closing, that is, flap component 2 drives flap 22 freely to fall when valve stem nut 3 rises by self weight
Under, implement reversed sealing under pressure of return water effect, and effectively prevent aqueous reflux and having larger pressure of return water system valve energy
Enough normal uses, reach the check function of check-valves.
4 upper end of valve rod stretches out valve deck 5 and is equipped with triangular prism unlatching head 42, can give clamping positioning by retaining ring 11, and
The cover 9 being equipped at the top of valve deck 5 including closing the triangular prism unlatching cover of head 42, specific structure are as follows: the cover of the cover 9 closes on the top of valve deck 5
Portion is equipped with bottom shoulder 91 in 9 bottom outer-edge of the cover, and the cover 9 is externally provided with clamp nut 7, which, which screws, is connected to the top of valve deck 5
It on the external screw thread of portion upper end, and oppresses bottom shoulder 91 and the cover 9 is fixed on 5 top of valve deck, be additionally provided with apical pore at the top of the cover 9
92, which is internal thread hole, and closed protective cover 10 can be equipped in such a way that screw thread screws, plays the role of proofing dust and protecting.
Head 42 is opened by the triangular prism of above-mentioned this 9 structure of the cover and 4 upper end of valve rod to design, and enhances the shut-off valve
Anti-theft function, conventional handle or handwheel all can not in real time valve rod driving, that is, valve opening and closing have anti-theft function, it is necessary to
Head 42 is opened by the triangular prism of dedicated 13 4 upper end of ability driving stem of handwheel, facilitates and carries out reasonable use of water management, the dedicated hand
Wheel 13 is in T font as shown in Figure 3, and 131 lower end of vertical handle set of T font is equipped with the triangular prism that equipped triangular prism opens head 42 and opens
Hole 132 is opened, therefore the vertical handle set 131 of T font is only passed through into the apical pore 92 at 9 top of the cover, again by triangular prism open hole 132
Equipped triangular prism opens head 42, at this time could driving stem 4 positive and negative rotation.
The utility model is designed reasonably, sealed reliable, installation and using all extremely convenient, at the same be also equipped with antitheft cut-off and
The dual function of non-return, a valve is dual-purpose, using reliable.
The above is only specific embodiment of the utility model, it should be appreciated by those skilled in the art that any and reality
The equivalent structure design of example is applied, should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of antitheft check function blind rod type shut-off valve of band, including valve body (1), is sealingly mounted in body top mounting hole
The flap that valve deck (5), rotary seal are mounted on the valve rod (4) in valve deck (5) and are arranged above the limbers (12) of valve body (1)
Component (2), it is characterised in that valve rod (4) lower end be equipped with valve stem nut (3), the valve stem nut by valve rod (4) rotate and
Make lifting moving, and limbers (12) or valve rod are closed in flap component (2) sealing described in the mobile decline of valve stem nut (3) and pushing tow
Nut (3) is mobile to be risen, and the flap component (2) and limbers (12) constitute non-return opening and closing.
2. the antitheft check function blind rod type shut-off valve of a kind of band according to claim 1, it is characterised in that the valve rod
The threaded hole axially penetrated through is equipped in nut (3), which is threaded under valve rod (4) by the threaded hole
End, and rotated by valve rod and make lifting moving.
3. the antitheft check function blind rod type shut-off valve of a kind of band according to claim 2, it is characterised in that the valve rod
(4) lower end is equipped with stroke hole (41), and the flap component (2) is equipped with the guide rod (24) upwardly extended.
4. the antitheft check function blind rod type shut-off valve of a kind of band according to claim 3, it is characterised in that the valve rod
Nut (3) movement rises and flap component (2) and limbers (12) is made to constitute non-return opening and closing, and guide rod (24) upper end is across valve
The threaded hole of stem nut (3) and guiding activity disengaging is in stroke hole (41).
5. the antitheft check function blind rod type shut-off valve of a kind of band according to claim 1, it is characterised in that the valve rod
The guiding active mounting structure of guide post (31) Yu pilot hole (51) is set between nut (3) outer wall and valve deck (5) inner wall.
6. the antitheft check function blind rod type shut-off valve of a kind of band according to claim 5, it is characterised in that the guiding
Column (31) and pilot hole (51) are the hexagon column and hexagonal hole for being oriented to active mounting.
7. the antitheft check function blind rod type shut-off valve of a kind of band according to claim 3, it is characterised in that the valve rod
(4) valve deck (5) are stretched out equipped with triangular prism unlatching head (42) in upper end.
8. the antitheft check function blind rod type shut-off valve of a kind of band according to claim 7, it is characterised in that the valve deck
(5) top is equipped with the cover (9) including closing triangular prism unlatching head (42) cover, is equipped with apical pore (92) in hood top, and
Closed protective cover (10) are equipped in apical pore.
9. the antitheft check function blind rod type shut-off valve of a kind of band according to claim 8, it is characterised in that the cover
(9) cover closes at the top of valve deck (5), is equipped with bottom shoulder (91) in the cover (9) bottom outer-edge, and the cover (9) is externally provided with clamp nut (7),
The clamp nut, which screws, to be connected at the top of valve deck (5), and oppresses bottom shoulder (91) and the cover (9) is fixed on valve deck (5) top
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437769.XU CN208804318U (en) | 2018-09-04 | 2018-09-04 | A kind of antitheft check function blind rod type shut-off valve of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437769.XU CN208804318U (en) | 2018-09-04 | 2018-09-04 | A kind of antitheft check function blind rod type shut-off valve of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208804318U true CN208804318U (en) | 2019-04-30 |
Family
ID=66235884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821437769.XU Active CN208804318U (en) | 2018-09-04 | 2018-09-04 | A kind of antitheft check function blind rod type shut-off valve of band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208804318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819291A (en) * | 2021-11-25 | 2021-12-21 | 四川宏华电气有限责任公司 | Reciprocating pump knocking-free valve cover device |
-
2018
- 2018-09-04 CN CN201821437769.XU patent/CN208804318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819291A (en) * | 2021-11-25 | 2021-12-21 | 四川宏华电气有限责任公司 | Reciprocating pump knocking-free valve cover device |
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