CN210196501U - Anti-corrosion stop valve - Google Patents
Anti-corrosion stop valve Download PDFInfo
- Publication number
- CN210196501U CN210196501U CN201921195723.6U CN201921195723U CN210196501U CN 210196501 U CN210196501 U CN 210196501U CN 201921195723 U CN201921195723 U CN 201921195723U CN 210196501 U CN210196501 U CN 210196501U
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- anticorrosive
- valve body
- stop valve
- water inlet
- corrosion
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Abstract
The utility model relates to a stop valve field just discloses an anticorrosive stop valve, which comprises a valve body, the water inlet has been seted up in the left side of valve body, the delivery port has been seted up on the right side of valve body, water inlet and delivery port intercommunication department are provided with first sealing washer, the inside swing joint of valve body has the guide arm, the top fixed mounting of guide arm has the hand wheel, the bottom fixed mounting of guide arm has the piston, the installation through-hole has been seted up at the top of water inlet inner wall, the inside of installation through-hole is pegged graft and is had anticorrosive packing ring, the inside interlude of anticorrosive packing ring has the zinc alloy stick, the top fixedly connected with second sealing washer of anticorrosive packing ring inlays on the interior diapire of. The utility model discloses a, it adopts alloy metal anticorrosive to have solved current stop valve, or scribbles the anticorrosive coating, and the anticorrosive coating easily drops off and loses anticorrosive function, leads to the stop valve to damage, anticorrosive coating troublesome poeration and problem with high costs.
Description
Technical Field
The utility model relates to a stop valve field specifically is an anticorrosive stop valve.
Background
The stop valve is also called as cut-off valve, belonging to forced sealing type valve, so that when the valve is closed, it must apply pressure to the valve clack to make the sealing surface do not leak, and the opening and closing component of the stop valve is plug-shaped valve clack, the sealing upper surface is made into plane or sea conical surface, and the valve clack can be linearly moved along the central line of valve seat, and the movement form of valve rod also has the lifting rotary rod type which can be used for controlling flow of various fluids of air, water, steam, various corrosive media, mud, oil product, liquid metal and radioactive media, etc.
Thereby the stop valve receives the corruption easily in the use and causes the seal face to warp, finally leads to inclosed not tight, the water waste resource, stop valve among the prior art generally adopts some alloy metals to realize anticorrosive, perhaps scribbles nanometer anticorrosive coating or other anticorrosive coatings on the valve body part and carry out anticorrosive, nevertheless anticorrosive coating drops easily to make anticorrosive coating lose anticorrosive function, lead to the stop valve to damage, and the valve body part is great, anticorrosive coating operation troublesome poeration and with high costs.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an anticorrosive stop valve, it is effectual to have the anticorrosion, the protection stop valve is not fragile, easy operation advantage with low costs, the stop valve of having solved among the prior art adopts alloy metal to realize anticorrosive, perhaps coating nanometer anticorrosive coating or other anticorrosive coatings on the valve body part are anticorrosive, anticorrosive coating drops easily, thereby make the anticorrosive coating lose anticorrosive function, lead to the stop valve to damage, and the valve body is great, anticorrosive coating operation trouble operation and problem with high costs.
(II) technical scheme
For realizing above-mentioned anticorrosion effectual, the protection stop valve is not fragile, easy operation purpose with low costs, the utility model provides a following technical scheme:
an anti-corrosion stop valve comprises a valve body, wherein a water inlet is formed in the left side of the valve body, a water outlet is formed in the right side of the valve body, the water inlet is communicated with the water outlet, a first sealing ring is arranged at the communication position of the water inlet and the water outlet, a guide rod is movably connected inside the valve body, the top end of the guide rod penetrates through the valve body and extends to the outer side of the valve body, a hand wheel is fixedly mounted at the top end of the guide rod, a piston is fixedly mounted at the bottom end of the guide rod and is connected with the first sealing ring in a sliding manner, a mounting through hole is formed in the top of the inner wall of the water inlet, an anti-corrosion gasket is inserted in the mounting through hole, a zinc alloy rod is inserted in the anti-corrosion gasket, a second sealing ring is fixedly connected at the top of the anti-corrosion gasket, a hexagon, the bottom and the hexagon nut threaded connection of zinc alloy stick, zinc alloy stick's top cover is equipped with the protective cover, the bottom of protective cover and the surface contact of valve body.
Preferably, the outer wall of the guide rod is coated with a corrosion inhibition layer.
Preferably, the bottom end of the zinc alloy rod is provided with an external thread, and the external thread is coated with an anti-corrosion paint.
Preferably, the anticorrosion gasket is made of polytetrafluoroethylene materials.
Preferably, the hexagonal nut is coated with an anti-corrosion paint.
Preferably, the piston is made of rubber material.
(III) advantageous effects
Compared with the prior art, the utility model provides an anticorrosive stop valve possesses following beneficial effect:
1. this anticorrosive stop valve, zinc alloy stick through the water inlet setting, when the rivers enter, because whole valve body switches on through water, form the galvanic cell structure, zinc alloy stick is stronger for other structural metal activities of stop valve, make zinc alloy stick sacrifice as the positive pole of galvanic cell, other metal structure of stop valve are as the negative pole, utilize the sacrificial anode method to protect other metal structure of stop valve, it adopts alloy metal to realize anticorrosive to have solved the stop valve, perhaps other anticorrosive coatings are anticorrosive, anticorrosive coating drops easily, lose anticorrosive function, lead to the stop valve to damage, the trouble and the problem with high costs of operation.
2. This anticorrosive stop valve passes the hexagon nut threaded connection of mounting hole and water inlet bottom through the zinc alloy stick, all scribbles anti-corrosion paint on external screw thread and the hexagon nut on the zinc alloy stick, can make zinc alloy stick and hexagon nut junction anticorrosive, and the anticorrosive packing ring that the mounting hole endotheca was established can prevent that the mounting hole from being corroded, easy to assemble and change zinc alloy stick.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention;
fig. 3 is the structural schematic diagram of the zinc alloy rod and the hexagon nut of the present invention.
In the figure: 1. a valve body; 2. a water inlet; 3. a water outlet; 4. a first seal ring; 5. a guide bar; 6. a hand wheel; 7. a piston; 8. mounting a through hole; 9. an anti-corrosion gasket; 10. a zinc alloy rod; 11. a second seal ring; 12. a hexagonal nut; 13. a protective cover; 14. a corrosion-retarding layer; 15. and (4) external threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an anti-corrosion stop valve comprises a valve body 1, a water inlet 2 is arranged on the left side of the valve body 1, a water outlet 3 is arranged on the right side of the valve body 1, the water inlet 2 is communicated with the water outlet 3, a first sealing ring 4 is arranged at the communication position of the water inlet 2 and the water outlet 3, a guide rod 5 is movably connected inside the valve body 1, the top end of the guide rod 5 penetrates through the valve body 1 and extends to the outer side of the valve body 1, a hand wheel 6 is fixedly arranged at the top end of the guide rod 5, a piston 7 is fixedly arranged at the bottom end of the guide rod 5, the piston 7 is in sliding connection with the first sealing ring 4, the first sealing ring 4 can close the whole stop valve after being connected with the piston 7 and prevent water flow from flowing back from the water outlet 3, an installation through hole 8 is arranged on the top of the inner wall of the water inlet 2, an anti-corrosion, anticorrosion packing ring 9's inside interlude has zinc alloy stick 10, anticorrosion packing ring 9's top fixedly connected with second sealing washer 11, guarantee that rivers do not flow out valve body 1 through installation through-hole 8, it is equipped with hexagon nut 12 to inlay on water inlet 2's the interior diapire, zinc alloy stick 10 runs through second sealing washer 11 and anticorrosion packing ring 9 in proper order and extends to water inlet 2's inside, zinc alloy stick 10's bottom and hexagon nut 12 threaded connection, easy to assemble and change zinc alloy stick 10, zinc alloy stick 10's top cover is equipped with protective cover 13, protective cover 13's bottom and valve body 1's surface contact, protective cover 13 can prevent that zinc alloy stick 10's top from weing and corroding, inconvenient dismantlement.
Furthermore, the outer wall of the guide rod 5 is coated with a corrosion inhibition layer 14, the corrosion inhibition layer 14 can adsorb or generate precipitates with corrosion products to cover the outer wall of the guide rod 5 to form a protective film, and the speed of the electrode process is slowed down to achieve the anti-corrosion effect.
Further, the bottom of zinc alloy stick 10 is provided with external screw thread 15, and external screw thread 15 and hexagon nut 12 threaded connection scribble anti-corrosion paint on external screw thread 15, prevent that the bottom of zinc alloy stick 10 from being corroded inconvenient change.
Furthermore, the anticorrosion gasket 9 is made of polytetrafluoroethylene material, has good anticorrosion performance and is in close contact with the zinc alloy rod 10.
Further, the hexagonal nut 12 is coated with an anti-corrosion paint to prevent the zinc alloy rod 10 from being replaced inconveniently due to corrosion.
Further, the piston 7 is made of rubber materials, so that the piston 7 can be in close contact with the first sealing ring 4, and backflow of the stop valve when the stop valve is closed is prevented.
The working principle is as follows: the anti-corrosion gasket 9 is placed into the installation through hole 8, the second sealing ring 11 is installed on the anti-corrosion gasket 9, the zinc alloy rod 10 is inserted into the installation through hole 8, the zinc alloy rod 10 is in threaded connection with the hexagon nut 12, the protective cover is installed at the top end of the zinc alloy rod 10 to protect the zinc alloy rod 10, the zinc alloy rod 10 is convenient to disassemble and replace, the hand wheel 6 is rotated to drive the piston 7 fixedly installed at the bottom end of the guide rod 5, the piston 7 is lifted, water can flow in through the water inlet 2 and flow out of the water outlet 3, at the moment, the whole valve body 1 is communicated through water to form a primary battery structure, the zinc alloy rod 10 has stronger metal mobility relative to other structures of the stop valve, the zinc alloy rod 10 is used as anode sacrificial of the primary battery, other metal structures of the stop valve are used as cathode, other metal structures of the stop valve are protected by, piston 7 descends and contacts with first sealing washer 4, closes the stop valve, and first sealing washer 4 prevents the water backward flow, has solved the stop valve and has adopted alloy metal to realize anticorrosive, and perhaps other anticorrosive coatings are anticorrosive, and anticorrosive coating drops easily, loses anticorrosive function, leads to the stop valve to damage, and operation troublesome poeration and problem with high costs.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an anticorrosive stop valve, includes valve body (1), its characterized in that: the water inlet (2) is formed in the left side of the valve body (1), the water outlet (3) is formed in the right side of the valve body (1), the water inlet (2) is communicated with the water outlet (3), a first sealing ring (4) is arranged at the communication position of the water inlet (2) and the water outlet (3), a guide rod (5) is movably connected inside the valve body (1), the top end of the guide rod (5) penetrates through the valve body (1) and extends to the outer side of the valve body (1), a hand wheel (6) is fixedly installed at the top end of the guide rod (5), a piston (7) is fixedly installed at the bottom end of the guide rod (5), the piston (7) is slidably connected with the first sealing ring (4), an installation through hole (8) is formed in the top of the inner wall of the water inlet (2), an anticorrosion gasket (9) is inserted inside the installation through hole (8), and a zinc alloy rod (10, top fixedly connected with second sealing washer (11) of anticorrosive packing ring (9), it is equipped with hexagon nut (12) to inlay on the interior diapire of water inlet (2), zinc alloy stick (10) run through second sealing washer (11) and anticorrosive packing ring (9) in proper order and extend to the inside of water inlet (2), the bottom and hexagon nut (12) threaded connection of zinc alloy stick (10), the top cover of zinc alloy stick (10) is equipped with protective cover (13), the bottom of protective cover (13) and the surface contact of valve body (1).
2. An anti-corrosion stop valve according to claim 1, characterized in that: the outer wall of the guide rod (5) is coated with a corrosion-inhibiting layer (14).
3. An anti-corrosion stop valve according to claim 1, characterized in that: the bottom end of the zinc alloy rod (10) is provided with an external thread (15), and the external thread (15) is coated with anti-corrosion paint.
4. An anti-corrosion stop valve according to claim 1, characterized in that: the anti-corrosion gasket (9) is made of polytetrafluoroethylene materials.
5. An anti-corrosion stop valve according to claim 1, characterized in that: the hexagonal nut (12) is coated with anti-corrosion paint.
6. An anti-corrosion stop valve according to claim 1, characterized in that: the piston (7) is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921195723.6U CN210196501U (en) | 2019-07-28 | 2019-07-28 | Anti-corrosion stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921195723.6U CN210196501U (en) | 2019-07-28 | 2019-07-28 | Anti-corrosion stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210196501U true CN210196501U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921195723.6U Active CN210196501U (en) | 2019-07-28 | 2019-07-28 | Anti-corrosion stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210196501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013123A (en) * | 2020-09-02 | 2020-12-01 | 杭州潘达科技有限公司 | Corrosion-resistant electromagnetic valve capable of controlling water flow to be constant |
-
2019
- 2019-07-28 CN CN201921195723.6U patent/CN210196501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013123A (en) * | 2020-09-02 | 2020-12-01 | 杭州潘达科技有限公司 | Corrosion-resistant electromagnetic valve capable of controlling water flow to be constant |
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