CN218347994U - Sanitary diaphragm valve - Google Patents
Sanitary diaphragm valve Download PDFInfo
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- CN218347994U CN218347994U CN202222488020.0U CN202222488020U CN218347994U CN 218347994 U CN218347994 U CN 218347994U CN 202222488020 U CN202222488020 U CN 202222488020U CN 218347994 U CN218347994 U CN 218347994U
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Abstract
The utility model discloses a sanitary-grade diaphragm valve, which comprises a valve body, import main entrance and export main entrance have been seted up to valve body inside, import main entrance and export main entrance communicate respectively and are equipped with vertical ascending first intercommunication passageway and second intercommunication passageway, the inside mounting groove of having seted up of valve body, the case overcoat outside is equipped with step form block structure, the valve body nut cup joints and installs in case overcoat outside step form block structure department, valve body nut tip block is fixed in the block groove in the valve body outside, press down case overcoat tip and fix the valve block edge who is located the mounting groove bottom, be equipped with pressure regulating assembly in the case overcoat, the valve block is connected with pressure regulating assembly, valve block intermediate position department reciprocates under pressure regulating assembly and water pressure, the valve block side communicates passageway and second intercommunication passageway tip activity sealing contact. The hard sealing structures among the components are more, the path of the internal fluid channel is shorter, the internal fluid is convenient to discharge, and the sanitation level is reached.
Description
Technical Field
The utility model relates to a diaphragm valve technical field, concretely relates to sanitary-grade diaphragm valve.
Background
The diaphragm valve is a novel liquid material conveying device and has the characteristics of small size, light weight, convenience and flexibility in installation and use and the like. Because of the advantages of being capable of conveying liquid containing solid particles, having no problems in explosion prevention and the like, diaphragm valves are more and more commonly used in the fields of food, biology, medicine, chemical industry and the like.
Because food, biological medicine, chemical industry field are higher to sanitary rank requirement in the course of working, and current diaphragm valve inner structure is complicated, is difficult for wasing, carries out soft sealed installation through seal gasket between each part moreover, and the bacterium is bred easily to this place, the user demand of satisfying high sanitary rank that can not be fine.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the above-mentioned background art, the utility model provides a sanitary-grade diaphragm valve, its simple structure, hard seal structure is more between the part, and inside fluid passage route is shorter, is convenient for discharge away inside fluid, and it is convenient to use and wash, reaches sanitary rank, safe and reliable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a sanitary diaphragm valve, which comprises a valve body, a valve block, a valve core outer sleeve, a pressure adjusting component and a valve body nut;
an inlet main channel and an outlet main channel are arranged in the valve body, the inlet main channel and the outlet main channel are respectively communicated with a first communication channel and a second communication channel which are vertically upward, a mounting groove communicated with the first communication channel and the second communication channel is arranged in the valve body,
the outer side of the valve core outer sleeve is provided with a step-shaped clamping structure, the valve body nut is sleeved and installed at the step-shaped clamping structure at the outer side of the valve core outer sleeve, the end part of the valve body nut is clamped and fixed in a clamping groove at the outer side of the valve body, the end part of the valve core outer sleeve is pressed and fixed at the edge of the valve sheet at the bottom in the installing groove, the valve sheet is made of elastic metal material,
the valve core is characterized in that a pressure adjusting assembly is arranged in the valve core outer sleeve, the valve block is connected with the pressure adjusting assembly, the middle position of the valve block moves up and down under the action of the pressure adjusting assembly and water pressure, and the side face of the valve block is in movable sealing contact with the end portions of the first communicating channel and the second communicating channel.
The further improvement lies in that an annular sealing gasket is arranged on the outer side of the free end of the first communication channel, and the upper end face of the annular sealing gasket can be in movable sealing contact with the bottom end of the valve plate.
Through setting up cyclic annular seal gasket, under pressure regulation subassembly pressure effect, the valve block moves down to when laminating with first intercommunication passageway tip, and both leakproofness are better, can effectively block fluidic passing through, and the reliability is stronger during the equipment uses.
The valve body nut is connected with the outer side of the valve core outer sleeve through a step-shaped clamping structure, and a sealing gasket is arranged at the joint of the valve body nut and the outer side of the valve core outer sleeve through the step-shaped clamping structure.
Through setting up seal ring, guaranteed the firm in connection nature and the leakproofness of valve body nut and case overcoat junction.
The valve body is further improved in that the inlet main channel and the outlet main channel are coaxially arranged in a transverse structure, one end of the inlet main channel and one end of the outlet main channel are communicated with the first communicating channel and the second communicating channel respectively, the other end of the inlet main channel and the other end of the outlet main channel are communicated with an inlet end and an outlet end which are positioned on the valve body respectively, and boss-shaped structures are formed at the connecting positions of the inlet main channel and the inlet end and between the outlet main channel and the outlet end.
Through setting up, the fluid effectively shortens at the inside circulation route of valve body, and the inside circulation route of valve body is smooth and easy, is convenient for simultaneously with inside fluid drainage by entrance point or exit end evacuation.
The improved structure of the pressure regulating assembly is characterized in that the pressure regulating assembly comprises a valve core, a valve core pressing sleeve, an elastic piece, a mounting seat and a rotary switch, the valve core is coaxially and movably arranged inside the valve core outer sleeve, the bottom end of the valve core is connected with the valve core pressing sleeve, the bottom end of the valve core pressing sleeve is connected with the top end of the valve plate, the elastic piece is sleeved on the outer side of the valve core, the mounting seat is mounted on the valve core outer sleeve, the top end of the valve core is fixedly connected with the rotary switch through a bolt, and the rotary switch is in threaded connection with the mounting seat.
When the valve works, the rotary switch is rotated, downward pressure values acting on the valve core and the valve plate can be adjusted, upward acting force is applied to the valve plate by fluid entering a fluid channel in the valve body, when the upward pressure applied to the valve plate by the fluid is greater than the pressure value above the valve plate, the valve core retracts upwards, the middle part of the valve plate moves upwards, a channel for medium circulation is formed between the bottom of the valve plate and the end parts of the first communication channel and the second communication channel, the valve body is in an open state, and internal fluid can smoothly pass through the channel; when the upward pressure of the fluid acting on the valve plate is smaller than or equal to the pressure value above the valve plate, the valve core extends under the elastic force action of the elastic piece, at the moment, the bottom of the valve plate is tightly attached to the end parts of the first communicating channel and the second communicating channel, the valve body is in a blocking state, and the internal fluid cannot pass through the valve body.
The further improvement is that an O-shaped sealing ring is arranged between the outer side of the lower part of the valve core and the inner side wall of the valve core outer sleeve.
Through setting up O type sealing washer, can further avoid the fluid upwards to enter into inside the valve body to avoid causing the pollution to the fluid of inside circulation.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses the import main entrance and the export main entrance inside the valve body communicate respectively and are equipped with vertical ascending first intercommunication passageway and second intercommunication passageway, first intercommunication passageway and second intercommunication passageway tip and the direct activity sealing contact of valve block bottom, and the internal fluid passageway route is shorter, and the internal fluid can be fast smooth and easy under self action of gravity be discharged by first intercommunication passageway and second intercommunication passageway, and it is convenient to use and wash, reaches sanitary level; through valve body nut and case overcoat and valve body cooperation, press down case overcoat tip to fix in the valve block edge that is located the mounting groove bottom, hard seal structure is more, and the health level is high, uses safe and reliable moreover.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the medium sanitary diaphragm valve of the present invention;
FIG. 2 is a schematic view of the internal structure of the mid-sanitary diaphragm valve of the present invention;
wherein, the specific reference numbers are: the valve comprises a valve body 1, an inlet end 2, an outlet end 3, a boss-shaped structure 4, an inlet main channel 5, an outlet main channel 6, a first communicating channel 7, a second communicating channel 8, a mounting groove 9, an annular sealing gasket 10, a valve plate 11, a valve core outer sleeve 12, an O-shaped sealing ring 13, a sealing gasket 14, a valve body nut 15, a valve core 16, a valve core pressing sleeve 17, an elastic piece 18, a mounting seat 19 and a rotary switch 20.
Detailed Description
The embodiment of the utility model discloses a sanitary diaphragm valve, as shown in fig. 1 and 2, comprising a valve body 1, a valve plate 11, a valve core outer sleeve 12, a pressure adjusting component and a valve body nut 15;
an inlet main channel 5 and an outlet main channel 6 are arranged in the valve body 1, the inlet main channel 5 and the outlet main channel 6 are respectively communicated with a first communicating channel 7 and a second communicating channel 8 which are vertically upward, a mounting groove 9 communicated with the first communicating channel 7 and the second communicating channel 8 is arranged in the valve body 1,
the outer side of the valve core outer sleeve 12 is provided with a step-shaped clamping structure, the valve body screw cap 15 is sleeved and installed at the step-shaped clamping structure at the outer side of the valve core outer sleeve 12, the end part of the valve body screw cap 15 is clamped and fixed in a clamping groove at the outer side of the valve body 1, the end part of the valve core outer sleeve 12 is pressed and fixed at the edge of the valve plate 11 at the bottom in the installation groove 9, the valve plate 11 is made of elastic metal material,
a pressure adjusting assembly is arranged in the valve core outer sleeve 12, the valve plate 11 is connected with the pressure adjusting assembly, the middle position of the valve plate 11 moves up and down under the action of the pressure adjusting assembly and water pressure, and the side face of the valve plate 11 is in movable sealing contact with the end portions of the first communicating channel 7 and the second communicating channel 8.
When the valve is used, the inlet main channel 5 and the outlet main channel 6 in the valve body 1 are respectively communicated with and provided with the first communicating channel 7 and the second communicating channel 8 which are vertically upward, the end parts of the first communicating channel 7 and the second communicating channel 8 are directly in movable sealing contact with the bottom end of the valve block 11, the path of the internal fluid channel is short, and the internal fluid can be quickly and smoothly discharged from the first communicating channel 7 and the second communicating channel 8 under the action of self gravity, so that the valve is convenient to use and clean and reaches the sanitation level; through the cooperation of valve body nut 15 and case overcoat 12 and valve body 1, press down the end of case overcoat 12 and fix at the 11 edges of valve block that are located the mounting groove 9 bottom, hard seal structure is more, and the health level is high, uses safe and reliable moreover.
Wherein, the outside of the free end of the first communicating channel 7 is provided with an annular sealing gasket 10, and the upper end surface of the annular sealing gasket 10 can be in movable sealing contact with the bottom end of the valve plate 11. Through setting up cyclic annular seal gasket 10, under pressure regulation subassembly pressure effect, when valve block 11 moves down to the tip laminating with first intercommunication passageway 7, both leakproofness are better, can effectively block fluidic passing through, and the reliability is stronger during equipment uses.
Wherein, a sealing washer 14 is arranged at the joint of the valve body nut 15 and the step-shaped clamping structure at the outer side of the valve core outer sleeve 12. By arranging the sealing washer 14, the connection firmness and the sealing performance of the joint of the valve body nut 15 and the valve core outer sleeve 12 are ensured.
The inlet main channel 5 and the outlet main channel 6 are of a coaxial transverse structure, one end of the inlet main channel 5 and one end of the outlet main channel 6 are respectively communicated with the first communicating channel 7 and the second communicating channel 8, the other ends of the inlet main channel 5 and the outlet main channel 6 are respectively communicated with the inlet end 2 and the outlet end 3 which are positioned on the valve body 1, and boss-shaped structures 4 are formed at the connecting parts between the inlet main channel 5 and the inlet end 2 and between the outlet main channel 6 and the outlet end 3. Through setting up, the fluid effectively shortens at the inside circulation route of valve body, and the inside circulation route of valve body is smooth and easy, is convenient for simultaneously with inside fluid drainage by entrance point 2 or exit end 3 evacuation.
Wherein, the pressure regulating assembly includes case 16, case pressure sleeve 17, elastic component 18, mount pad 19, rotary switch 20, the coaxial activity of case 16 sets up inside case overcoat 12, case 16 bottom is connected with case pressure sleeve 17, case pressure sleeve 17 bottom is connected with valve block 11 top, case 16 outside cover is equipped with elastic component 18, mount pad 19 is installed on case overcoat 12, 16 tops of case pass through bolt and rotary switch 20 fixed connection, rotary switch 20 and 19 threaded connection of mount pad.
When the valve works, the rotary switch 20 is rotated, downward pressure values acting on the valve core 16 and the valve plate 11 can be adjusted, upward acting force is applied to the valve plate 11 by fluid entering a fluid channel in the valve body, when the upward pressure of the fluid acting on the valve plate 11 is greater than the pressure value above the valve plate 11, the valve core 16 retracts upwards, at the moment, the middle part of the valve plate 11 moves upwards, a channel for medium to flow is formed between the bottom of the valve plate 11 and the end parts of the first communication channel 7 and the second communication channel 8, the valve body is in an open state, and internal fluid can smoothly pass through; when the upward pressure of the fluid acting on the valve plate 11 is smaller than or equal to the pressure value above the valve plate 11, the valve core 16 extends under the elastic force of the elastic element 18, at the moment, the bottom of the valve plate 11 is tightly attached to the end parts of the first communicating channel 7 and the second communicating channel 8, the valve body is in a blocking state, and the internal fluid cannot pass through the valve body.
Wherein, an O-shaped sealing ring 13 is arranged between the outer side of the lower part of the valve core 16 and the inner side wall of the valve core outer sleeve 12. Through setting up O type sealing washer 13, can further avoid the fluid to upwards enter into inside the valve body to avoid causing the pollution to the fluid of inside circulation.
To sum up, the utility model provides a sanitary-grade diaphragm valve, its simple structure, hard seal structure is more between the part, and inside fluid passage route is shorter, is convenient for discharge away inside fluid, uses and washs the convenience, reaches sanitary rank, safe and reliable.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (6)
1. A sanitary diaphragm valve is characterized by comprising a valve body, a valve plate, a valve core outer sleeve, a pressure adjusting assembly and a valve body nut;
an inlet main channel and an outlet main channel are arranged in the valve body, the inlet main channel and the outlet main channel are respectively communicated with a first communication channel and a second communication channel which are vertically upward, a mounting groove communicated with the first communication channel and the second communication channel is arranged in the valve body,
the outer side of the valve core outer sleeve is provided with a step-shaped clamping structure, the valve body nut is sleeved and installed at the step-shaped clamping structure at the outer side of the valve core outer sleeve, the end part of the valve body nut is clamped and fixed in a clamping groove at the outer side of the valve body, the end part of the valve core outer sleeve is pressed and fixed at the edge of the valve sheet at the bottom in the installing groove,
the valve core is characterized in that a pressure adjusting assembly is arranged in the valve core outer sleeve, the valve block is connected with the pressure adjusting assembly, the middle position of the valve block moves up and down under the action of the pressure adjusting assembly and water pressure, and the side face of the valve block is in movable sealing contact with the end portions of the first communicating channel and the second communicating channel.
2. The sanitary-grade diaphragm valve of claim 1, wherein an annular sealing gasket is arranged outside the free end of the first communication channel, and the upper end face of the annular sealing gasket can be in movable sealing contact with the bottom end of the valve plate.
3. The sanitary diaphragm valve of claim 1 wherein a sealing gasket is provided at the junction of the valve body nut and the stepped snap-fit structure outside the cartridge housing.
4. The sanitary diaphragm valve of claim 1 wherein said inlet main passageway and said outlet main passageway are coaxially disposed transverse structures, one end of said inlet main passageway and said outlet main passageway is respectively communicated with said first communicating passageway and said second communicating passageway, the other end of said inlet main passageway and said outlet main passageway is respectively communicated with an inlet end and an outlet end on said valve body, and the junctions between said inlet main passageway and said inlet end, and between said outlet main passageway and said outlet end are formed with boss-shaped structures.
5. The sanitary diaphragm valve of claim 1, wherein the pressure regulating assembly comprises a valve core, a valve core pressing sleeve, an elastic member, a mounting seat and a rotary switch, the valve core is coaxially and movably arranged inside the valve core outer sleeve, the bottom end of the valve core is connected with the valve core pressing sleeve, the bottom end of the valve core pressing sleeve is connected with the top end of the valve plate, the elastic member is sleeved outside the valve core, the mounting seat is arranged on the valve core outer sleeve, the top end of the valve core is fixedly connected with the rotary switch through a bolt, and the rotary switch is in threaded connection with the mounting seat.
6. The sanitary grade diaphragm valve of claim 5 wherein an O-ring seal is disposed between the outside of the lower portion of said valve spool and the inside wall of said valve spool housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222488020.0U CN218347994U (en) | 2022-09-20 | 2022-09-20 | Sanitary diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222488020.0U CN218347994U (en) | 2022-09-20 | 2022-09-20 | Sanitary diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218347994U true CN218347994U (en) | 2023-01-20 |
Family
ID=84918503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222488020.0U Active CN218347994U (en) | 2022-09-20 | 2022-09-20 | Sanitary diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218347994U (en) |
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2022
- 2022-09-20 CN CN202222488020.0U patent/CN218347994U/en active Active
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