CN212616460U - Self-cleaning ceramic ball valve - Google Patents
Self-cleaning ceramic ball valve Download PDFInfo
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- CN212616460U CN212616460U CN202021246962.2U CN202021246962U CN212616460U CN 212616460 U CN212616460 U CN 212616460U CN 202021246962 U CN202021246962 U CN 202021246962U CN 212616460 U CN212616460 U CN 212616460U
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- valve body
- cock
- internal pressure
- scraping
- pressure sleeve
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Abstract
A self-cleaning ceramic ball valve relates to the field of reversing valves, and comprises a valve body with an inlet pipeline and an outlet pipeline, wherein a cock is arranged in the valve body, the cock is provided with a flow channel for communicating the inlet pipeline and the outlet pipeline, a pair of scraping structures are respectively arranged in the inlet pipeline and the outlet pipeline, the edges of two flow channel openings of the flow channel are contacted with the scraping structures, the cock can rotate relative to the scraping structures within a certain range to enable the edges of the flow channel openings and the scraping structures to move relatively, and the scraping structures and the cock are made of wear-resistant ceramic materials; the scraping structure is an annular structure, wherein the width of the cross section of the scraping structure is gradually widened towards the surface contacting with the edge of the runner opening to form a trapezoidal cross section. By adopting the structure, the scraping structure can be driven to scrape off the viscous fine plastic particles attached to the edge of the runner opening through the rotation of the cock, and the self-cleaning of the cock is completed.
Description
Technical Field
The utility model relates to a switching-over valve field specifically, relates to a automatically cleaning ceramic ball valve.
Background
At present, for a reversing valve for conveying viscous plastics, after a valve body is repeatedly used, small viscous plastic particles are easily adhered to the inside of the reversing valve, particularly to a cock for controlling the opening and closing of the valve body, so that the cock is not easy to rotate, and further normal use is influenced.
Disclosure of Invention
To the above problem, the utility model provides a automatically cleaning ceramic ball valve, its specific technical scheme as follows:
a self-cleaning ceramic ball valve comprises a valve body with an inlet pipeline and an outlet pipeline, wherein a cock is arranged in the valve body, the cock is provided with a flow passage for communicating the inlet pipeline and the outlet pipeline, a pair of scraping structures are respectively arranged in the inlet pipeline and the outlet pipeline, two flow passage opening edges of the flow passage are contacted with the scraping structures, the cock can rotate relative to the scraping structures within a certain range to enable the flow passage opening edges and the scraping structures to move relatively, and the scraping structures and the cock are made of tungsten carbide; the scraping structure is an annular structure, wherein the width of the cross section of the scraping structure gradually widens towards the surface contacting with the edge of the runner opening to form a trapezoidal section.
As a further improvement and refinement of the present invention, a first internal pressure sleeve and a second internal pressure sleeve are disposed inside the inlet pipe, a third internal pressure sleeve is disposed inside the outlet pipe, the first internal pressure sleeve and the third internal pressure sleeve are symmetrically disposed along the center of the valve body, the cock is disposed between the first internal pressure sleeve and the third internal pressure sleeve, and the scraping structure is disposed on a side of the first internal pressure sleeve and the third internal pressure sleeve close to the cock and contacts with the edge of the flow channel of the cock; one end of the second internal pressure sleeve presses one side of the first internal pressure sleeve, which is far away from the cock.
As a further improvement of the present invention, the scraping structure is made of tungsten carbide material by the first inner pressing sleeve and the third inner pressing sleeve which are integrally formed.
As a further improvement and refinement of the present invention, the trapezoidal cross section of the scraping structure is close to the inclination angle of the two base angles of the one side of the edge contact of the runner opening is 45 ° to 75 °.
As a further improvement and refinement of the present invention, two of the same or different inclination angles of the base angles.
As the utility model discloses a further improvement and refine, press the cover in first internal pressure cover, the second press the cover in the third with be provided with a plurality of sealing washers between the valve body respectively.
As a further improvement and refinement of the present invention, the valve body includes a first valve body, a second valve body, and a top cover, wherein the first valve body is provided with the inlet pipeline, the second valve body is provided with the outlet pipeline, the first valve body has a volume smaller than that of the second valve body, the first valve body and the second valve body are spliced into a whole by a first fastener, an outer wall is formed by splicing the first valve body and the second valve body, and the top cover is fixed on the outer wall by a second fastener; the top cover is provided with a abdicating hole for installing a control rod for controlling the rotation of the cock.
The utility model discloses beneficial effect:
the utility model provides a self-cleaning ceramic ball valve pastes tight cooperation through the configuration and strikes off the structure at the tungsten carbide of the runner port edge surface of cock, and the cock can strike off the structure relatively and carry out certain limit and rotate and make runner port edge and strike off the structure and take place relative movement, strikes off the structure and be an annular structure to the realization makes when the cock is rotatory to strike off the structure and carries out the automatically cleaning to the cock surface, scrapes some very thick tiny plastic granules.
The width of the cross section of the scraping structure gradually widens towards the surface contacting with the edge of the runner opening to form a trapezoidal cross section, and the contact area of the scraping structure and the surface of the cock is increased by adopting the cross section shape, so that the cleaning efficiency is improved.
And the scraping structure and the cock are made of high-strength and high-hardness integrally-sintered tungsten carbide ceramic materials, so that the blade part is high in strength and toughness and cannot break an angle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a three-dimensional structure of a self-cleaning ceramic ball valve provided by the present invention;
FIG. 2 is a cross-sectional view of a self-cleaning ceramic ball valve provided by the present invention;
fig. 3 is a partial enlarged view of the self-cleaning ceramic ball valve with respect to the scraping structure provided by the present invention.
Fig. 4 is a cross-sectional view of a self-cleaning ceramic ball valve as it pertains to a scraping structure as provided by the present invention.
Wherein, the main element symbol explanation is as follows:
100-self-cleaning ceramic ball valve;
10-a valve body; 101-a first valve body; 1011-a first extension; 1012-a second extension; 1013-valve body mounting bolts; 102-a second valve body; 1021-a third extension; 1022-a fourth extension; 103-a top cover;
20-a control component; 201-control lever; 202-a cock; 203-a first internal pressure sleeve; 204-a second internal pressure sleeve; 205-third inner press sleeve; 206-scraping structure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The self-cleaning ceramic ball valve provided by the present invention will be further explained with reference to the following specific embodiments and the related drawings.
As shown in FIG. 1, a self-cleaning ceramic ball valve 100 includes a valve body 10 having an inlet conduit and an outlet conduit and a control assembly 20 installed in the valve body 10 for controlling the opening or closing of the entire valve.
In the present embodiment, as shown in fig. 1 and 2, the valve body 10 includes a first valve body 101, a second valve body 102, and a top cover 103. Wherein the first valve body 101 is provided with an inlet pipe and forms a first extension 1011 and a second extension 1012 extending outwards and circumferentially at both ends thereof, respectively, and the second valve body 102 is provided with an outlet pipe and forms a third extension 1021 and a fourth extension 1022 extending outwards and circumferentially at both ends thereof, respectively. The first valve body 101 has a smaller volume than the second valve body 102, and the second extension part and the fourth extension part are fixedly connected by a valve body mounting bolt 1013, so that the first valve body 101 and the second valve body 102 are integrally spliced. After the first valve body 101 is assembled with the second valve body 102, a top cover 103 is fixed to the outer wall by a plurality of screws at the outer wall on the upper side formed by the combination of the second extension portion and the fourth extension portion. The top cover 103 is provided with a relief hole for mounting a control rod 201 for controlling the rotation of the cock 202.
As shown in fig. 2, a spherical cock 202 is disposed in the valve body 10, the cock 202 defines a flow passage for communicating the inlet pipe and the outlet pipe, a pair of scraping structures 206 are disposed in the inlet pipe and the outlet pipe, respectively, and two flow passage opening edge surfaces of the flow passage are in contact with the scraping structures 206. The plug 202 is rotatable relative to the scraping structure 206 to a certain extent to move the sprue edge surface relative to the scraping structure 206 to scrape off sticky plastic particles adhering to the surface of the plug 202. In this embodiment, the scraping structure 206 and the tap 202 are both made of tungsten carbide.
Continuing to refer to fig. 2, a first internal pressure sleeve 203 and a second internal pressure sleeve 203 are arranged inside the inlet pipe, a third internal pressure sleeve 205 is arranged inside the outlet pipe, the first internal pressure sleeve 203 and the third internal pressure sleeve 205 are symmetrically arranged in the two pipes along the center of the valve body 10, the cock 202 is arranged between the first internal pressure sleeve 203 and the third internal pressure sleeve 205, the scraping structure 206 is respectively arranged on one side of the first internal pressure sleeve 203 and the third internal pressure sleeve 205, which is close to the cock 202, and is in contact with the edge of the flow passage of the cock 202, and one end of the second internal pressure sleeve 204 compresses one side of the first internal pressure sleeve 203, which is far away from the cock, to prevent the first internal pressure sleeve and the third internal pressure sleeve from jumping.
In the present embodiment, as shown in fig. 3 and fig. 4, the scraping structure 206 is a ring structure, wherein the width of the cross section of the scraping structure 206 gradually widens towards the surface contacting with the edge of the runner opening to form a trapezoidal cross section, and the scraping structure 206 is integrally formed with the first inner pressing sleeve 203 and the third inner pressing sleeve 205 respectively, and is made of tungsten carbide material.
The two bottom angles of the trapezoidal cross section of the scraping structure 206 near the contact surface of the flow passage opening edge are inclined at an angle of 45-75 degrees, wherein the two bottom angles can be set to be the same or different angles according to actual needs.
In order to prevent leakage, a plurality of sealing rings are respectively arranged between the first inner pressure sleeve 203, the second inner pressure sleeve 204, the third inner pressure sleeve 205 and the valve body 10 to ensure the sealing performance of the inside.
The self-cleaning ceramic ball valve provided by the embodiment is provided with the tungsten carbide scraping structure 206 closely matched with the surface of the runner port edge of the plug 202, the plug 202 can rotate in a certain range relative to the scraping structure 206 to enable the runner port edge and the scraping structure 206 to move relatively, and the scraping structure 206 is an annular structure, so that the scraping structure 206 can self-clean the surface of the plug 202 when the plug 202 rotates, and certain very viscous fine plastic particles are scraped off.
The width of the cross section of the scraping structure 206 gradually widens towards the surface contacting with the edge of the runner opening to form a trapezoidal cross section, and the contact area of the scraping structure 206 and the surface of the cock 202 is increased by adopting the cross section shape, so that the cleaning efficiency is improved.
And the scraping structure 206 and the cock 202 are made of high-strength and high-hardness integrally-sintered tungsten carbide ceramic materials, so that the strength and the toughness of the blade part are high, and the blade part cannot break an angle.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A self-cleaning ceramic ball valve, comprising a valve body having an inlet pipe and an outlet pipe, a cock being provided in the valve body, the cock defining a flow passage for communicating the inlet pipe and the outlet pipe, wherein a pair of scraping structures are provided in the inlet pipe and the outlet pipe, respectively, two flow passage edges of the flow passage being in contact with the scraping structures, the cock being rotatable relative to the scraping structures to a certain extent such that the flow passage edges and the scraping structures move relative to each other, the scraping structures and the cock being made of tungsten carbide;
the scraping structure is an annular structure, wherein the width of the cross section of the scraping structure gradually widens towards the surface contacting with the edge of the runner opening to form a trapezoidal section.
2. The self-cleaning ceramic ball valve of claim 1, wherein the inlet pipe is internally provided with a first internal pressure sleeve and a second internal pressure sleeve, the outlet pipe is internally provided with a third internal pressure sleeve, the first internal pressure sleeve and the third internal pressure sleeve are symmetrically arranged along the center of the valve body, the cock is arranged between the first internal pressure sleeve and the third internal pressure sleeve, and the scraping structures are respectively arranged on one sides of the first internal pressure sleeve and the third internal pressure sleeve close to the cock and are in contact with the edge of the runner port of the cock; one end of the second internal pressure sleeve presses one side of the first internal pressure sleeve, which is far away from the cock.
3. A self-cleaning ceramic ball valve as claimed in claim 2, wherein said scraper structure is integrally formed with said first and third inner pressure sleeves, respectively, and is made of tungsten carbide material.
4. A self-cleaning ceramic ball valve as claimed in claim 3, wherein the angle of inclination of the two base angles of the trapezoidal cross-section of the scraping structure adjacent to the face of the flow passage opening edge in contact is 45 ° to 75 °.
5. A self-cleaning ceramic ball valve as claimed in claim 4, wherein the angle of inclination of the two said base angles is the same or different.
6. The self-cleaning ceramic ball valve of claim 3, wherein a plurality of sealing rings are disposed between the first, second, third inner pressure sleeves and the valve body, respectively.
7. The self-cleaning ceramic ball valve of claim 3, wherein the valve body comprises a first valve body, a second valve body, and a top cover, wherein the first valve body is provided with the inlet conduit, the second valve body is provided with the outlet conduit, the first valve body has a smaller volume than the second valve body, the first valve body and the second valve body are integrally joined by a first fastener, the top cover is fixed to the outer wall by a second fastener at a side of the outer wall where the first valve body and the second valve body are joined; the top cover is provided with a abdicating hole for installing a control rod for controlling the rotation of the cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021246962.2U CN212616460U (en) | 2020-06-30 | 2020-06-30 | Self-cleaning ceramic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021246962.2U CN212616460U (en) | 2020-06-30 | 2020-06-30 | Self-cleaning ceramic ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN212616460U true CN212616460U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021246962.2U Active CN212616460U (en) | 2020-06-30 | 2020-06-30 | Self-cleaning ceramic ball valve |
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| CN (1) | CN212616460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071041A (en) * | 2022-08-22 | 2022-09-20 | 江苏赛尔橡胶股份有限公司 | Forming machine for processing rubber fender |
-
2020
- 2020-06-30 CN CN202021246962.2U patent/CN212616460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071041A (en) * | 2022-08-22 | 2022-09-20 | 江苏赛尔橡胶股份有限公司 | Forming machine for processing rubber fender |
| CN115071041B (en) * | 2022-08-22 | 2022-11-25 | 江苏赛尔橡胶股份有限公司 | Forming machine is used in processing of rubber fender |
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