CN212899963U - Novel erosion-resistant valve - Google Patents

Novel erosion-resistant valve Download PDF

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Publication number
CN212899963U
CN212899963U CN202020788954.4U CN202020788954U CN212899963U CN 212899963 U CN212899963 U CN 212899963U CN 202020788954 U CN202020788954 U CN 202020788954U CN 212899963 U CN212899963 U CN 212899963U
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CN
China
Prior art keywords
valve body
groove
flow baffle
sealing element
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020788954.4U
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Chinese (zh)
Inventor
孙信中
单中丽
薛广银
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Ruiyi Petroleum Machinery Co ltd
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Jiangsu Ruiyi Petroleum Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN202020788954.4U priority Critical patent/CN212899963U/en
Application granted granted Critical
Publication of CN212899963U publication Critical patent/CN212899963U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a novel erosion-resistant valve, which comprises a first valve body, a second valve body and a sealing element, wherein the sealing element comprises a first sealing element and a second sealing element, the upper end surface of the first valve body is provided with a first protruding part protruding outwards along the radial direction, the lower end surface of the first protruding part is provided with a first groove and a second groove, the first sealing element is arranged in the first groove and the second groove, a sealing part is formed between the first groove and the second groove, the lower end surface of the second valve body is provided with a second protruding part protruding outwards along the radial direction, the upper end surface of the second protruding part is provided with a flow baffle plate, the flow baffle plate comprises a first flow baffle plate and a second flow baffle plate, a third groove is formed between the first flow baffle plate and the second flow baffle plate, the third groove is provided with a second sealing element, the utility model realizes double sealing through the first sealing element and the second sealing element to ensure the sealing performance, the flow baffle plate prevents the second sealing element from being eroded by fluid, and the service life of the second sealing element is guaranteed.

Description

Novel erosion-resistant valve
Technical Field
The utility model relates to the technical field of valves, concretely relates to novel erosion-resistant valve.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.
Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.
When the valve in the prior art is used, because the position of a sealing element for stopping fluid is the position with the smallest cross-sectional area of a fluid channel, when the fluid passes through the position of the sealing element, the flow rate of the fluid is accelerated due to the small channel area, the rapidly flowing fluid generally has an erosion effect on the sealing element of the valve, particularly, the fluid pressure difference between two ends of the valve is large at the moment of opening and closing the valve, the rapidly flowing fluid has a very obvious erosion effect on the rubber and plastic sealing element of the valve, the early damage of the sealing element can be caused, the using state of the sealing element directly determines the sealing performance of a switch and the service life of the valve, the rubber and plastic sealing element is easy to fall off under the action of the high-speed fluid, and particularly, when the valve is applied to a valve with bidirectional fluid flow.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at not enough in the prior art, provide a novel resistant erosion valve, keep off through being provided with the fluid kinetic energy that the high-speed impact that keeps off the class board will erode the sealing member and support and effectively solved the technical problem that the fluid erodees the sealing member.
The technical scheme is as follows: in order to achieve the above object, the utility model provides a novel erosion-resistant valve, its characterized in that: comprises a first valve body, a second valve body and a sealing element, wherein the sealing element comprises a first sealing element and a second sealing element, the upper end surface of the first valve body is provided with a first protruding part protruding outwards along the radial direction, the lower end surface of the first protruding part is provided with a first groove and a second groove, a first sealing member is installed in the first groove and the second groove, a sealing part is formed between the first groove and the second groove, the lower end surface of the second valve body is provided with a second protruding part protruding outwards along the radial direction, the upper end surface of the second protruding part is provided with a flow baffle, the flow baffle comprises a first flow baffle and a second flow baffle, a third groove is formed between the first flow baffle and the second flow baffle, a second sealing element is arranged in the third groove, the third groove is positioned right below the sealing part, the first flow baffle and the second flow baffle are respectively positioned under the first groove and the second groove.
As an improvement of the present solution, the end portions of the sealing portion, the first flow baffle and the second flow baffle are respectively provided with an extrusion head for extrusion.
As a modification of this solution, the second protrusion is further provided with a buffer groove, and the buffer groove is located between the second protrusion and the second valve body side wall.
As an improvement of the scheme, the first valve body is of a cylindrical structure, the second valve body is of a hollow cylinder structure, an opening matched with the first valve body is formed in the bottom end of the second valve body, and the lower end of the first valve body penetrates through the opening.
As an improvement of the scheme, the top end of the cavity of the inner cavity of the first valve body is sunken to form a sunken part, and the sunken part is conical.
As an improvement of the scheme, the inside cavity of the first valve body forms a cavity which is communicated with the inside and the outside, the cavity is communicated with the outside through the bottom end of the first valve body, a plurality of through holes are formed in the position, close to the first protruding portion, of the outer surface of the first valve body, and the through holes are communicated with the cavity.
Compared with the prior art the utility model discloses the beneficial effect who has: the utility model discloses a be provided with two and keep off a class board, keep off through two and flow the fluid that a class board will strike the second sealing member and block, prevent that it from directly impacting the second sealing member, still through being provided with first sealing member, the sealing performance of valve can further be guaranteed to first sealing member, blocks the medium through two and prevents that it directly erodees the second sealing member, has improved the life of second sealing member, has guaranteed the normal use of valve, and the medium is revealed when preventing to seal.
Drawings
Fig. 1 is a schematic view of the cross-sectional structure of the present invention.
List of reference numerals: 1. a first valve body; 11. a first protrusion; 12. a through hole; 13. an opening; 2. a second valve body; 21. a second protrusion; 3. a second seal member; 4. a flow baffle plate; 41. a first flow baffle; 42. a second flow baffle; 5. a third trench; 6. a sealing part; 61. an extrusion head; 7. a first trench; 8. a first seal member; 9. a second trench; 10. a buffer tank.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, the novel erosion-resistant valve includes a first valve body 1, a second valve body 2, and a sealing member, the sealing member includes a first sealing member 8 and a second sealing member 3, an upper end surface of the first valve body 1 is provided with a first protrusion 11 protruding radially outward, a lower end surface of the first protrusion 11 is provided with a first groove 7 and a second groove 9, the first groove 7 and the second groove 9 are installed with the first sealing member 8, a sealing portion 6 is formed between the first groove 7 and the second groove 9, a lower end surface of the second valve body 2 is provided with a second protrusion 21 protruding radially outward, an upper end surface of the second protrusion 21 is provided with a flow baffle plate 4, the flow baffle plate 4 includes a first flow baffle plate 41 and a second flow baffle plate 42, a third groove 5 is formed between the first flow baffle plate 41 and the second flow baffle plate 42, the second sealing member 3 is disposed in the third groove 5, the third groove 5 is located right below the sealing portion 6, and the first flow baffle 41 and the second flow baffle 42 are located right below the first groove 7 and the second groove 9, respectively.
In the above structure: a novel erosion-resistant valve comprises a first valve body 1, a second valve body 2 and sealing elements, wherein the sealing elements comprise a first sealing element 8 and a second sealing element 3, a first protruding part 11 protruding outwards along the radial direction is arranged on the upper end face of the first valve body 1, a first groove 7 and a second groove 9 are respectively arranged on the lower end face of the first protruding part 11, the first sealing element 8 is arranged in the first groove 7 and the second groove 9, a second protruding part 21 protruding outwards along the radial direction is arranged on the lower end face of the second valve body 2, a first flow baffle plate 41 and a second flow baffle plate 42 are arranged on the second protruding part 21, a third groove 5 is formed between the first flow baffle plate 41 and the second flow baffle plate 42, the second sealing element 3 is arranged in the third groove 5, and the sealing property between the two valve bodies can be ensured when the first valve body 1 and the second valve body 2 are closed through the first sealing element 8 and the second sealing element 3, since the third groove 5 is located right below the sealing portion 6, the first flow blocking plate 41 and the second flow blocking plate 42 are respectively located right below the first groove 7 and the second groove 9, when the first valve body 1 and the second valve body 2 are closed in use, the first flow blocking plate 41 and the second flow blocking plate 42 are respectively inserted into the first groove 7 and the second groove 9, the sealing portion 6 is inserted into the third groove 5 to respectively press the first sealing member 8 and the second sealing member 3, thereby achieving sealing between the first valve body 1 and the second valve body 2, and since the double sealing members are used, when the first valve body 1 and the second valve body 2 are closed, the sealing effect is just good, since the first flow blocking plate 41 and the second flow blocking plate 42 are used, when the first valve body 1 and the second valve body 2 are separated, the fluid flows from either downward or upward from below, since the first flow blocking plate 41 and the second flow blocking plate 42 can block the fluid impacting the second sealing member 3 from directly impacting the second sealing member 3, erosion of the second seal 3 by the fluid can be effectively reduced, and also by providing the first seal 8, when the first valve body 1 and the second valve body 2 are closed, the first baffle plate 41 and the second baffle plate 42 squeeze the first valve body 1 and the second valve body 2, the sealing performance of the first valve body 1 and the second valve body 2 is further ensured, the main function of the first sealing element 8 is to further ensure the sealing performance of the first valve body 1 and the second valve body 2, even when first valve body 1 and second valve body 2 separate, the first sealing member 8 can be strikeed to the fluid, but second sealing member 3 can not receive powerful impact, still can guarantee the leakproofness between first valve body 1 and the second valve body 2, the utility model discloses a main objective is to guarantee that the life of second sealing member 3 reduces the erosion of fluid to it, and second sealing member 3 is used for further strengthening the leakproofness between first valve body 1 and the second valve body 2.
In this embodiment: the ends of the sealing part 6, the first flow baffle 41 and the second flow baffle 42 are respectively provided with an extrusion head 61 for extrusion.
In the above structure: the pressing heads 61 at the ends of the sealing part 6, the first flow baffle 41 and the second flow baffle 42 facilitate pressing the first sealing element 8 and the second sealing element 3, so that the sealing performance is better.
In this embodiment: the second protrusion 21 is further provided with a buffer groove 10, and the buffer groove 10 is located between the second protrusion 21 and the side wall of the second valve body 2.
In the above structure: the buffer groove 10 on the second protrusion 21 is opposite to the flowing direction of the fluid, when the fluid impacts on the second protrusion 21, the fluid can be buffered through the buffer groove 10, the impact force of the fluid is buffered, the impact force when the fluid flows through the second sealing element 3 is further reduced, and the service life of the second sealing element 3 is ensured.
In this embodiment: the first valve body 1 is of a cylindrical structure, the second valve body 2 is of a hollow cylindrical structure, an opening 13 matched with the first valve body 1 is formed in the bottom end of the second valve body 2, and the lower end of the first valve body 1 penetrates through the opening 13; the top end of the cavity of the inner cavity of the first valve body 1 is sunken to form a sunken part, and the sunken part is conical; the inside cavity of first valve body 1 forms the cavity of inside and outside intercommunication, and the cavity is through 1 bottom of first valve body and outside intercommunication, and a plurality of through-hole 12 has been seted up to 1 surface of first valve body near the position of first protruding portion 11, through-hole 12 and cavity intercommunication set up.
In the above structure: first valve body 1 is the cylinder structure, and second valve body 2 is inside hollow cylinder structure, and the bottom of second valve body 2 is provided with opening 13 with first valve body 1 matched with, and the lower extreme of first valve body 1 passes opening 13 and sets up, and when the valve opened or the in-process of closing, first valve body 1 and second valve body 2 relative motion, the anterior segment that the valve opened or the end that the valve closed, the clearance fit of first protruding portion 11 on the first valve body 1 and second valve body 2 is the fluid throttle.
When the valve is in the fully open position, the first protrusion 11 on the first valve body 1 is spaced apart from the side wall of the second valve body 2 and the second protrusion 21 on the second valve body 2, and the first protrusion 11, the second protrusion 21, the side wall of the second valve body 2, the opening 13, and the through hole 12 form a fluid passage with a large area for facilitating the passage of fluid.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features.

Claims (6)

1. The utility model provides a novel resistant erosion valve which characterized in that: the sealing device comprises a first valve body (1), a second valve body (2) and a sealing element, wherein the sealing element comprises a first sealing element (8) and a second sealing element (3), a first protruding part (11) protruding outwards along the radial direction is arranged on the upper end face of the first valve body (1), a first groove (7) and a second groove (9) are formed in the lower end face of the first protruding part (11), the first sealing element (8) is arranged in the first groove (7) and the second groove (9), a sealing part (6) is formed between the first groove (7) and the second groove (9), a second protruding part (21) protruding outwards along the radial direction is arranged on the lower end face of the second valve body (2), a flow baffle plate (4) is arranged on the upper end face of the second protruding part (21), and the flow baffle plate (4) comprises a first flow baffle (41) and a second flow baffle plate (42), a second groove (9) is formed between the first flow baffle (41) and the second flow baffle (42), a second sealing element (3) is arranged in the second groove (9), the second groove (9) is located under the sealing portion (6), and the first flow baffle (41) and the second flow baffle (42) are respectively located under the first groove (7) and the second groove (9).
2. The novel erosion resistant valve of claim 1, wherein: the end parts of the sealing part (6), the first flow baffle (41) and the second flow baffle (42) are respectively provided with an extrusion head (61) for extrusion.
3. The novel erosion resistant valve of claim 1, wherein: the second protruding portion (21) is further provided with a buffer groove (10), and the buffer groove (10) is located between the second protruding portion (21) and the side wall of the second valve body (2).
4. The novel erosion resistant valve of claim 1, wherein: the valve is characterized in that the first valve body (1) is of a cylindrical structure, the second valve body (2) is of a hollow cylinder structure, an opening (13) matched with the first valve body (1) is formed in the bottom end of the second valve body (2), and the lower end of the first valve body (1) penetrates through the opening (13).
5. The novel erosion resistant valve of claim 1, wherein: the top end of the cavity of the inner cavity of the first valve body (1) is sunken to form a sunken part, and the sunken part is conical.
6. The novel erosion resistant valve of claim 1, wherein: the inside cavity of first valve body (1) forms the cavity of an inside and outside intercommunication, and the cavity passes through first valve body (1) bottom and outside intercommunication, and a plurality of through-hole (12) have been seted up to the position that first valve body (1) surface is close to first protruding portion (11), through-hole (12) and cavity intercommunication set up.
CN202020788954.4U 2020-05-13 2020-05-13 Novel erosion-resistant valve Expired - Fee Related CN212899963U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020788954.4U CN212899963U (en) 2020-05-13 2020-05-13 Novel erosion-resistant valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020788954.4U CN212899963U (en) 2020-05-13 2020-05-13 Novel erosion-resistant valve

Publications (1)

Publication Number Publication Date
CN212899963U true CN212899963U (en) 2021-04-06

Family

ID=75264029

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020788954.4U Expired - Fee Related CN212899963U (en) 2020-05-13 2020-05-13 Novel erosion-resistant valve

Country Status (1)

Country Link
CN (1) CN212899963U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210406

CF01 Termination of patent right due to non-payment of annual fee