CN217153127U - Check valve steel casting for resisting chemical drug corrosion - Google Patents
Check valve steel casting for resisting chemical drug corrosion Download PDFInfo
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- CN217153127U CN217153127U CN202220647383.1U CN202220647383U CN217153127U CN 217153127 U CN217153127 U CN 217153127U CN 202220647383 U CN202220647383 U CN 202220647383U CN 217153127 U CN217153127 U CN 217153127U
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- mounting disc
- disc
- check valve
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Abstract
The utility model discloses a chemical drug corrosion resistant check valve steel casting. Including the valve casting body, the both ends difference fixedly connected with flange head one and flange head two of valve casting body, the inlet has been seted up to one side of flange head one, the liquid outlet has been seted up to one side of flange head two, fixed mounting has the mounting disc on the valve casting body, the mounting disc top is provided with sealed dish, the screw thread mouth has been seted up at the upper surface center of mounting disc, be provided with demountable installation's installation piece in the screw thread mouth on the mounting disc, be provided with the pull rod on the installation piece, the through-hole has been seted up to the upper surface of installation piece and has the valve rod through the spacing sliding connection of this through-hole, this internal intercommunication groove that is located of valve casting is provided with between liquid outlet and the inlet, this internal intercommunication inslot of valve casting is provided with the seal receptacle, the bottom fixedly connected with of valve rod presses the lamella with seal receptacle looks adaptation. The utility model discloses possess long service life, be convenient for carry out periodic maintenance's advantage, effectively solved the problem of proposing in the background art.
Description
Technical Field
The utility model relates to a check valve technical field, concretely relates to chemical-resistant medicine corrodes uses check valve steel casting.
Background
The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. The water-saving valve belongs to the automatic valve category, also called a check valve, a one-way valve, a backflow valve or an isolation valve, and is commonly used as a bottom valve of a water pumping device to prevent the backflow of water.
When the existing check valve for chemicals is used for a long time, the chemicals are easy to damage all parts in the check valve body, so that the parts in the check valve body need to be regularly nursed.
Disclosure of Invention
An object of the utility model is to provide a chemical resistance medicine corrodes uses check valve steel casting possesses long service life, is convenient for carry out periodic maintenance's advantage, has effectively solved the problem of proposing in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a check valve steel casting for resisting chemical drug corrosion comprises a valve casting body, wherein two ends of the valve casting body are respectively and fixedly connected with a flange head I and a flange head II, a liquid inlet is arranged on one side of the first flange head, a liquid outlet is arranged on one side of the second flange head, a mounting disc is fixedly mounted on the valve casting body, a sealing disc is arranged at the top end of the mounting disc, a threaded opening is formed in the center of the upper surface of the mounting disc, a mounting block which is detachably mounted is arranged in the threaded opening on the mounting disc, a pull rod is arranged on the mounting block, a through hole is arranged on the upper surface of the mounting block, a valve rod is connected with the mounting block in a limiting and sliding manner through the through hole, a communicating groove is formed between the liquid outlet and the liquid inlet in the valve casting body, a sealing seat is arranged in the communicating groove in the valve casting body, and the bottom end of the valve rod is fixedly connected with a pressing flap matched with the sealing seat.
Preferably, the sealing disc and the mounting disc are provided with through holes distributed in an annular array, the through holes in the sealing disc and the mounting disc are internally provided with bolts and fixedly connected through the bolts, and a sealing ring is arranged at the joint of the sealing disc and the mounting disc.
Preferably, the outer contour of the mounting block is provided with a thread structure matched with a thread opening on the mounting disc, the upper surface of the mounting block is provided with two symmetrical mounting pieces, and the surfaces of the two mounting pieces are provided with through holes and are rotationally connected with the pull rod through the through holes.
Preferably, be provided with the installation cavity in the installation piece, the valve rod is located fixedly connected with stationary blade on the outline in the installation piece, the cover is equipped with the spring on the outline of valve rod, spring one end and stationary blade fixed connection, the spring other end and installation cavity inner wall fixed connection.
Preferably, a sealing ring is arranged between the pressure valve and the sealing seat, and an anticorrosive coating is coated on the outer contour of the pressure valve and is made of an epoxy resin material.
Preferably, the valve casting body and the valve rod are both made of corrosion-resistant metal materials, and the corrosion-resistant metal materials are titanium alloy metal materials.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up the installation piece that is provided with demountable installation in the screw thread mouth through setting up on the mounting disc, can will change the valve rod with pressing the lamella through dismantling the installation piece, the part in the valve steel casting is corroded when preventing to use for a long time, can be convenient for regularly maintain the nursing to the part in the valve steel casting.
2. When the liquid in the liquid inlet stops flowing and the pressure on the pressing flap at the liquid inlet is smaller than the elastic force of the spring, the pressing flap is tightly attached to the sealing seat under the action of the spring, so that the liquid at the liquid outlet can be prevented from flowing backwards;
3. by coating the anticorrosive paint on the outer contour of the pressure valve, the epoxy resin material and the metal material have good extrusion adhesion and are not easy to drop paint, the corrosion of chemical drugs to the check valve body under the long-term use condition is prevented, and the corrosion-resistant metal material is a titanium alloy metal material which has the advantages of good corrosion resistance, high heat resistance, good process performance and the like, so that the service life of the check valve body can be effectively prolonged.
Drawings
Fig. 1 is a schematic perspective view of the first embodiment of the present invention;
fig. 2 is a schematic view of the three-dimensional structure of the present invention;
FIG. 3 is a schematic sectional view of the present invention;
fig. 4 is a schematic view of a partial sectional structure of the mounting block of the present invention.
In the figure: 1. a valve casting body; 2. a first flange head; 3. a second flange head; 4. a liquid outlet; 5. a liquid inlet; 6. mounting a disc; 7. sealing the disc; 8. mounting a block; 9. a pull rod; 10. a valve stem; 11. a sealing seat; 12. pressing the valve; 13. a mounting cavity; 14. a spring; 15. a fixing sheet; 16. and (7) mounting the sheet.
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 to 4, the present invention provides a technical solution: the utility model provides a resistant chemical medicine corrodes and uses check valve steel-casting, including valve casting body 1, the both ends difference fixedly connected with flange first 2 and flange first two 3 of valve casting body 1, inlet 5 has been seted up to one side of flange first 2, liquid outlet 4 has been seted up to one side of flange first two 3, fixed mounting has mounting disc 6 on the valve casting body 1, 6 tops of mounting disc are provided with sealed dish 7, threaded opening has been seted up at the upper surface center of mounting disc 6, be provided with demountable installation's installation piece 8 in the threaded opening on mounting disc 6, be provided with pull rod 9 on the installation piece 8, the through-hole has been seted up to the upper surface of installation piece 8 and has valve rod 10 through the spacing sliding connection of this through-hole, be provided with the intercommunication groove between liquid outlet 4 and the inlet 5 in the valve casting body 1, be provided with seal receptacle 11 in the intercommunication groove of valve casting body 1, the bottom fixedly connected with of valve rod 10 and the pressure lamella 12 of seal receptacle 11 looks adaptations.
Through setting up threaded hole on the mounting disc 6 and being provided with demountable installation's installation piece 8, the through-hole has been seted up to the upper surface of installation piece 8 and has valve rod 10 through the spacing sliding connection of this through-hole, can will change valve rod 10 with pressing lamella 12 through dismantling installation piece 8, and the part in the valve steel casting is corroded when preventing long-term the use to in time change.
All be provided with the through-hole that the annular array distributes on sealed dish 7 and the mounting disc 6, be provided with the bolt in the through-hole on sealed dish 7 and the mounting disc 6 and pass through bolt fixed connection, the junction of sealed dish 7 and mounting disc 6 is provided with the sealing washer.
Through being provided with the bolt in the through-hole on sealed dish 7 and the mounting disc 6 and through bolt fixed connection, convenient subsequent maintenance nursing.
The outer contour of the mounting block 8 is provided with a thread structure matched with a thread opening on the mounting disc 6, the upper surface of the mounting block 8 is provided with two symmetrical mounting pieces 16, and the surfaces of the two mounting pieces 16 are provided with through holes and are rotationally connected with the pull rod 9 through the through holes.
Through setting up installation piece 16, through manual rotation installation piece 16, can make installation piece 8 rotate in the screw thread mouth on mounting disc 6, be convenient for dismantle installation piece 8 from the screw thread mouth on mounting disc 6 through installation piece 16.
A mounting cavity 13 is formed in the mounting block 8, a fixing piece 15 is fixedly connected to the outer contour of the valve rod 10 in the mounting block 8, a spring 14 is sleeved on the outer contour of the mounting block 8, one end of the spring 14 is fixedly connected with the fixing piece 15, and the other end of the spring 14 is fixedly connected with the inner wall of the mounting cavity 13.
The cover is equipped with spring 14 on the outline through setting up valve rod 10, when liquid enters from the one end of inlet 5, when the pressure to pressing lamella 12 of inlet 5 department is greater than spring 14's elasticity, liquid impels the pressure lamella 12 to make valve rod 10 at vertical direction upward movement, then flow from the one end to outlet 4 through the opening on the seal receptacle 11, 5 liquid stops flowing when the inlet, when the pressure to pressing lamella 12 of inlet 5 department is less than spring 14's elasticity, press lamella 12 and the inseparable laminating of seal receptacle 11 under spring 14's effect, can prevent that the liquid of outlet 4 department from taking place the refluence.
A sealing ring is arranged between the pressure valve 12 and the sealing seat 11, and the outer contour of the pressure valve 12 is coated with an anticorrosive paint which is an epoxy resin material.
By coating the anticorrosive paint on the outer contour of the pressure valve 12, the epoxy resin material and the metal material have good extrusion adhesion and are not easy to paint off, so that the corrosion resistance of the valve rod 10 can be effectively improved, the corrosion of chemical drugs to the return valve body under the long-term use condition is prevented, and the service life is effectively prolonged.
The valve casting body 1 and the valve rod 10 are made of corrosion-resistant metal materials, and the corrosion-resistant metal materials are titanium alloy metal materials.
The valve casting body 1 and the valve rod 10 are made of corrosion-resistant metal materials, the corrosion-resistant metal materials are titanium alloy metal materials, and the titanium alloy has the advantages of being good in corrosion resistance, high in heat resistance, good in technological performance and the like, so that the service life of the check valve body can be effectively prolonged.
The working principle is as follows: this resistant chemical corrosion check valve steel casting, in use, be provided with the bolt in the through-hole on sealed dish 7 and the mounting disc 6 and pass through bolt fixed connection, dismantle sealed dish 7 from mounting disc 6 through twisting the bolt, be convenient for carry out the periodic maintenance to this internal part of steel casting, be provided with demountable installation's installation piece 8 in the screw thread mouth through setting up on the mounting disc 6, through setting up installation piece 16, through manual rotation installation piece 16, can make installation piece 8 rotate in the screw thread mouth on mounting disc 6, be convenient for dismantle installation piece 8 in the screw thread mouth on the mounting disc 6 through installation piece 16, can change valve rod 10 with pressure lamella 12 through dismantling installation piece 8, prevent that the part in the valve steel casting from being corroded when using for a long time, so that in time change.
The cover is equipped with spring 14 on the outline through setting up valve rod 10, when liquid enters from the one end of inlet 5, when the pressure to pressing lamella 12 of inlet 5 department is greater than spring 14's elasticity, liquid impels pressure lamella 12 to make valve rod 10 at vertical direction upward movement, then flow from the one end to outlet 4 through the opening on the seal receptacle 11, 5 liquid stops flowing when the inlet, when the pressure to pressing lamella 12 of inlet 5 department is less than spring 14's elasticity, press lamella 12 and the inseparable laminating of seal receptacle 11 under spring 14's effect, can prevent that the liquid of outlet 4 department from taking place the refluence
Through scribble anticorrosive paint on the outline of valve rod 10, epoxy material and metal material extrusion adhesive force are good, the advantage of difficult paint falling, can effectively improve the corrosion resistance of valve rod 10, prevent that chemical from corroding the valve body under the long-term service behavior, effectively improve life, be corrosion-resistant metal material through valve casting body 1 whole and valve rod 10 and make, corrosion-resistant metal material is titanium alloy metal material, because titanium alloy has advantages such as corrosion resistance is good, the heat resistance is high, the technological property is good, can effectively improve the life of check valve body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 a chemical resistance corrodes with check valve steel casting, includes valve casting body (1), its characterized in that: the valve casting comprises a valve casting body (1), wherein a flange head I (2) and a flange head II (3) are fixedly connected to the two ends of the valve casting body (1) respectively, a liquid inlet (5) is formed in one side of the flange head I (2), a liquid outlet (4) is formed in one side of the flange head II (3), a mounting disc (6) is fixedly mounted on the valve casting body (1), a sealing disc (7) is arranged at the top end of the mounting disc (6), a threaded opening is formed in the center of the upper surface of the mounting disc (6), a detachably mounted mounting block (8) is arranged in the threaded opening in the mounting disc (6), a pull rod (9) is arranged on the mounting block (8), a through hole is formed in the upper surface of the mounting block (8) and is connected with a valve rod (10) in a limiting sliding mode through the through hole, and a communicating groove is formed in the valve casting body (1) and located between the liquid outlet (4) and the liquid inlet (5), a sealing seat (11) is arranged in a communication groove in the valve casting body (1), and the bottom end of the valve rod (10) is fixedly connected with a pressing flap (12) matched with the sealing seat (11).
2. The chemical-resistant check valve steel casting according to claim 1, wherein: the sealing disc is characterized in that through holes distributed in an annular array are formed in the sealing disc (7) and the mounting disc (6), bolts are arranged in the through holes in the sealing disc (7) and the mounting disc (6) and are fixedly connected with each other through the bolts, and sealing rings are arranged at the joints of the sealing disc (7) and the mounting disc (6).
3. The chemical-resistant check valve steel casting according to claim 1, wherein: the outer contour of the mounting block (8) is provided with a thread structure matched with a thread opening on the mounting disc (6), the upper surface of the mounting block (8) is provided with two symmetrical mounting pieces (16), and the surface of each mounting piece (16) is provided with a through hole and is rotationally connected with the pull rod (9) through the through hole.
4. The chemical-resistant check valve steel casting according to claim 1, wherein: be provided with installation cavity (13) in installation piece (8), fixedly connected with stationary blade (15) on the outline that valve rod (10) are located installation piece (8), the cover is equipped with spring (14) on the outline of valve rod (10), spring (14) one end and stationary blade (15) fixed connection, the spring (14) other end and installation cavity (13) inner wall fixed connection.
5. The chemical-resistant check valve steel casting according to claim 1, wherein: a sealing ring is arranged between the pressure valve (12) and the sealing seat (11), and the outer contour of the pressure valve (12) is coated with an anticorrosive paint which is an epoxy resin material.
6. The chemical-resistant check valve steel casting according to claim 1, wherein: the valve casting body (1) and the valve rod (10) are both made of corrosion-resistant metal materials, and the corrosion-resistant metal materials are titanium alloy metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647383.1U CN217153127U (en) | 2022-03-24 | 2022-03-24 | Check valve steel casting for resisting chemical drug corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647383.1U CN217153127U (en) | 2022-03-24 | 2022-03-24 | Check valve steel casting for resisting chemical drug corrosion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217153127U true CN217153127U (en) | 2022-08-09 |
Family
ID=82696691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220647383.1U Active CN217153127U (en) | 2022-03-24 | 2022-03-24 | Check valve steel casting for resisting chemical drug corrosion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217153127U (en) |
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2022
- 2022-03-24 CN CN202220647383.1U patent/CN217153127U/en active Active
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