CN214274551U - High leakproofness ball valve - Google Patents
High leakproofness ball valve Download PDFInfo
- Publication number
- CN214274551U CN214274551U CN202023335520.8U CN202023335520U CN214274551U CN 214274551 U CN214274551 U CN 214274551U CN 202023335520 U CN202023335520 U CN 202023335520U CN 214274551 U CN214274551 U CN 214274551U
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- valve
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- gland
- packing
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Abstract
The utility model discloses a high leakproofness ball valve, including valve body and valve rod, valve body one side is provided with the valve gap, valve body upper end indent forms the cavity, the valve rod passes in the cavity stretches into the valve body, the valve rod stretches into the valve body in one end be provided with the spheroid, still includes the support, support one side is provided with gland, gland is last to be provided with the boss that can stretch into the cavity, sealed formation packing chamber between boss and the cavity, the packing intracavity is provided with the packing structure, and this structure is direct to set up the packing in the cavity of valve body upper end, seals with gland again to reduce the setting of gland, reduced the leakage point on the one hand, make the leakproofness better, on the other hand also makes the assembly more simple and convenient.
Description
Technical Field
The utility model relates to a ball valve field, in particular to high leakproofness ball valve.
Background
The ball valve is because of its open-close time is short, convenient operation, because receive the wide application in each trade, present ball valve is in installation valve rod one side, and the valve body adopts the mode of components of a whole that can function independently connection basically to seal fixedly with the gland, and the gland still need be installed to one side of keeping away from the valve body of gland to seal, and this kind of sealing method leads to the leakage point too much to make present ball valve sealing performance not good.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a high leakproofness ball valve, can solve foretell sealed problem.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a high leakproofness ball valve, includes valve body and valve rod, valve body one side is provided with the valve gap, valve body upper end indent forms the cavity, the valve rod passes in the cavity stretches into the valve body, the valve rod stretches into one end in the valve body and is provided with the spheroid, still includes the support, support one side is provided with gland, gland is last to be provided with the boss that can stretch into the cavity, sealed formation packing chamber between boss and the cavity, the intracavity that packs is provided with the packing structure.
Further, the method comprises the following steps: the support and the packing gland are of an integrated structure and are fixedly connected with the valve body through screws and bolts.
Further, the method comprises the following steps: the filler structure comprises an upper filler, a middle filler and a lower filler which are sequentially arranged, and a lower filler plastic lining part is arranged outside the lower filler.
Further, the method comprises the following steps: and plastic lining parts are arranged on the inner side surfaces of the valve body and the valve cover, the adjacent surfaces of the valve body and the valve cover, and the surfaces of the valve rod and the ball body.
Further, the method comprises the following steps: one of the adjacent surfaces of the valve body and the valve cover is provided with an O-shaped ring placing groove, and an O-shaped ring is arranged in the O-shaped ring placing groove.
Further, the method comprises the following steps: and the surface of the valve body is provided with a reinforcing rib.
The utility model has the advantages that: this structure is direct to set up the packing in the cavity of valve body upper end, and is sealed with gland again to reduced the setting of gland box, reduced the leakage point on the one hand, makeed the leakproofness better, on the other hand also makes the assembly more simple and convenient.
Drawings
Fig. 1 is a schematic view of a high-sealability ball valve.
Fig. 2 is an enlarged view of part a.
Labeled as: the valve comprises a valve body 1, a valve rod 2, a valve cover 3, a ball 4, a support 5, a packing gland 6, a packing structure 7, an O-shaped ring 8 and a reinforcing rib 9;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a high leakproofness ball valve, including valve body 1 and valve rod 2, 1 one side of valve body is provided with valve gap 3, the concave cavity that forms in 1 upper end of valve body, valve rod 2 passes in the cavity stretches into valve body 1, valve rod 2 stretches into 1 interior one end of valve body and is provided with spheroid 4, still includes support 5, 5 one side of support is provided with gland 6, gland 6 is last to be provided with the boss that can stretch into the cavity, sealed formation packing chamber between boss and the cavity, the packing intracavity is provided with packing structure 7, and this structure is direct to set up the packing in the cavity of 1 upper end of valve body, and it is sealed with gland 6 again, has reduced the setting of gland box to the problem of junction medium leakage has been solved, still can effectively reduce the volume of ball valve.
On the basis, the support 5 and the packing gland 6 are of an integral structure, the support 5 and the packing gland 6 are fixedly connected with the valve body 1 through screws and bolts, and the arrangement ensures the connection tightness of the packing gland 6 and the valve body 1, so that the sealing performance of the valve body is ensured.
On the basis, filler structure 7 is including the last filler, well filler and the lower filler that set gradually, the lower filler outside is provided with down the filler and fills the piece of moulding, and its sealing performance is further strengthened through the setting of three-layer filler to this structure, and the setting of piece is moulded to the lower filler lining simultaneously, when having trace liquid rather than the contact, can not cause the corrosivity influence to the filler yet to cause the influence to sealing performance.
On the basis, the inner side surfaces of the valve body 1 and the valve cover 3, the adjacent surfaces of the valve body 1 and the valve cover 3, the surfaces of the valve rod 2 and the ball body 4 are provided with lining plastic parts, and the structure is provided with the lining plastic parts at the positions where fluid flows through, so that corrosive liquid cannot influence the valve body 1 and the valve cover 3, and the service life of the valve body 1 is prolonged.
On the basis, one of the adjacent surfaces of the valve body 1 and the valve cover 3 is provided with an O-shaped ring 8 placing groove, the O-shaped ring 8 is arranged in the O-shaped ring 8 placing groove, and the arrangement of the O-shaped ring 8 can be used for ensuring the sealing performance of the assembled valve body 1 and the assembled valve cover 3, so that the liquid is prevented from leaking from the valve body 1 and the valve cover 3.
On the basis, the surface of the valve body 1 is provided with the reinforcing ribs 9, so that the strength of the valve body 1 is enhanced.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a high leakproofness ball valve which characterized in that: including valve body (1) and valve rod (2), valve body (1) one side is provided with valve gap (3), valve body (1) upper end indent forms the cavity, valve rod (2) pass in the cavity stretches into valve body (1), valve rod (2) stretch into in valve body (1) one end be provided with spheroid (4), still include support (5), support (5) one side is provided with gland (6), be provided with the boss that can stretch into the cavity on gland (6), sealed formation packing chamber between boss and the cavity, the packing intracavity is provided with filler structure (7).
2. A high-sealing ball valve according to claim 1, wherein: the support (5) and the packing gland (6) are of an integrated structure, and the support (5) and the packing gland (6) are fixedly connected with the valve body (1) through screws and bolts.
3. A high-sealing ball valve according to claim 1, wherein: the filler structure (7) comprises an upper filler, a middle filler and a lower filler which are sequentially arranged, and a lower filler plastic lining part is arranged outside the lower filler.
4. A high-sealing ball valve according to claim 1, wherein: and plastic lining parts are arranged on the inner side surfaces of the valve body (1) and the valve cover (3), the adjacent surfaces of the valve body (1) and the valve cover (3) and the surfaces of the valve rod (2) and the ball body (4).
5. The high-sealability ball valve of claim 4, wherein: one of the plastic lining parts of the adjacent surfaces of the valve body (1) and the valve cover (3) is provided with an O-shaped ring (8) placing groove, and the O-shaped ring (8) is arranged in the O-shaped ring (8) placing groove.
6. A high-sealing ball valve according to claim 1, wherein: and reinforcing ribs (9) are arranged on the surface of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023335520.8U CN214274551U (en) | 2020-12-30 | 2020-12-30 | High leakproofness ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023335520.8U CN214274551U (en) | 2020-12-30 | 2020-12-30 | High leakproofness ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274551U true CN214274551U (en) | 2021-09-24 |
Family
ID=77786703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023335520.8U Active CN214274551U (en) | 2020-12-30 | 2020-12-30 | High leakproofness ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274551U (en) |
-
2020
- 2020-12-30 CN CN202023335520.8U patent/CN214274551U/en active Active
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| GR01 | Patent grant |