CN214662199U - Same-core ball valve - Google Patents
Same-core ball valve Download PDFInfo
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- CN214662199U CN214662199U CN202120822263.6U CN202120822263U CN214662199U CN 214662199 U CN214662199 U CN 214662199U CN 202120822263 U CN202120822263 U CN 202120822263U CN 214662199 U CN214662199 U CN 214662199U
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Abstract
The utility model discloses a concentric ball valve, which comprises a valve body and a valve core; a valve body: the right end of the valve body is provided with a valve cover through a bolt, a sealing gasket is arranged at the gap between the valve body and the valve cover, the upper end of the valve body is provided with a backing plate, and the upper end of the backing plate is provided with a support; a valve core: a rotating shaft arranged at the lower end of the valve core is rotationally connected with a round hole at the lower end of the valve body, a valve rod is arranged at the upper end of the valve core, and the lower end of the valve rod is rotationally connected with the inner wall of a through hole at the upper end of the valve body through a shaft sleeve; wherein: the ball valve is characterized in that flange plates are arranged on the outer side faces, opposite to each other, of the valve body and the valve cover, the valve core is a hollow ball body with an opening, the surface of the valve core is provided with a special-shaped opening, the valve core corresponds to the position of a water hole in the valve cover, the upper end of the valve rod is square, the lower end of the valve rod is provided with a sealing ring, and the ball valve with the same core is convenient for maintaining an internal structure, can control the size of water flow, and has better sealing performance inside.
Description
Technical Field
The utility model relates to a valve manufacturing technical field specifically is a with core ball valve.
Background
Along with the rapid development of scientific technology, the production process and product structure of a ball valve are continuously improved, and the ball valve is rapidly developed into a main valve class, wherein a concentric ball valve is a valve with a coaxial valve core driven by a valve rod and capable of rotating around the axis of the ball valve and can also be used for regulating and controlling fluid, wherein a strong shearing force is formed between the V-shaped ball core of a hard-seal V-shaped ball valve and a metal valve seat of surfacing hard alloy, the ball valve is particularly suitable for media containing fibers, tiny solid particles and the like, a multi-way ball valve can flexibly control the confluence, diversion and flow direction switching of the media on a pipeline, and meanwhile, any channel can be closed to connect the other two channels.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a with core ball valve, the installation of being convenient for makes things convenient for the maintenance of inner structure, can control the size of rivers, and inside still has better leakproofness simultaneously, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a concentric ball valve comprises a valve body and a valve core;
a valve body: the right end of the valve body is provided with a valve cover through a bolt, a sealing gasket is arranged at the gap between the valve body and the valve cover, the upper end of the valve body is provided with a backing plate, and the upper end of the backing plate is provided with a support;
a valve core: a rotating shaft arranged at the lower end of the valve core is rotationally connected with a round hole at the lower end of the valve body, a valve rod is arranged at the upper end of the valve core, and the lower end of the valve rod is rotationally connected with the inner wall of a through hole at the upper end of the valve body through a shaft sleeve;
wherein: the outer side surfaces, away from each other, of the valve body and the valve cover are provided with flange plates, so that the valve body and the valve cover are convenient to install, the maintenance of an internal structure is facilitated, the size of water flow can be controlled, and meanwhile, the valve body and the valve cover are internally provided with better sealing performance.
Furthermore, the valve core is a hollow sphere with an opening, the surface of the valve core is provided with a special-shaped opening, and the valve core corresponds to the position of the water hole in the valve cover, so that the size of water flow is conveniently controlled.
Furthermore, the upper end of the valve rod is square, and the lower end of the valve rod is provided with a sealing ring, so that the valve rod can rotate conveniently.
The packing pressing sleeve and the packing pressing plate are movably sleeved at the upper end of the valve rod, and the packing pressing sleeve is in contact with the packing, so that the sealing performance of the valve rod and the upper end is improved.
Furthermore, an O-shaped sealing ring is arranged at the upper end of the rotating shaft, so that the sealing property of the lower end of the valve body is ensured.
Compared with the prior art, the beneficial effects of the utility model are that: this concentric ball valve has following benefit:
1. through the cooperation of the square column of outside instrument and valve rod upper end, the lower extreme of valve rod passes through the through-hole inner wall rotation connection of axle sleeve and valve body upper end, and it is rotatory to rotate the valve rod and drive the case, makes the special-shaped opening on case surface correspond with the inside water hole position of valve gap, conveniently controls the size of rivers.
2. The packing pressing plate is fixed to the upper end of the base plate through an external screw, the packing pressing plate is in contact with the packing pressing sleeve and enables the packing pressing sleeve to move downwards, packing is compressed, and the sealing performance of the upper end of the valve body is further guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal cross-sectional structure of the present invention;
fig. 3 is a schematic diagram of the prescription a of the present invention.
In the figure: the valve comprises a valve body 1, a valve cover 2, a valve core 3, a backing plate 4, a support 5, a valve rod 6, a sealing ring 7, an irregular opening 8, a rotating shaft 9, a sealing gasket 10, a shaft sleeve 11, a filler 12, a filler pressing sleeve 13 and a filler pressing plate 14.
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. 1-3, the present invention provides a technical solution: a concentric ball valve comprises a valve body 1 and a valve core 3;
valve body 1: the right end of the concentric ball valve is provided with the valve cover 2 through a bolt, so that the maintenance of the internal structure is facilitated, a sealing gasket 10 is arranged at the gap between the valve body 1 and the valve cover 2 to ensure the sealing performance of the concentric ball valve, a backing plate 4 is arranged at the upper end of the valve body 1, and a support 5 is arranged at the upper end of the backing plate 4 to facilitate the fixation of the concentric ball valve;
a valve core 3: a rotating shaft 9 arranged at the lower end of the valve body is rotationally connected with a round hole at the lower end of the valve body 1, a valve rod 6 is arranged at the upper end of a valve core 3, the lower end of the valve rod 6 is rotationally connected with the inner wall of a through hole at the upper end of the valve body 1 through a shaft sleeve 11, the valve core 3 is a hollow sphere with an opening, the surface of the valve core 3 is provided with a special-shaped opening 8, the valve core 3 corresponds to the position of a water hole in the valve cover 2, the upper end of the valve rod 6 is square, the lower end of the valve rod 6 is matched with a square column at the upper end of the valve rod 6 through an external tool, the lower end of the valve rod 6 is rotationally connected with the inner wall of the through hole at the upper end of the valve body 1 through the shaft sleeve 11, the valve rod 6 is rotated to drive the valve core 3 to rotate, the special-shaped opening 8 at the surface of the valve core 3 corresponds to the position of the water hole in the valve cover 2, the size of the valve is convenient to control of water flow, and the sealing gasket 10 can ensure the sealing performance at the joint of the valve body 1 and the valve cover 2, the sealing ring 7 can ensure the sealing performance of the upper end of the valve body 1, and the O-shaped sealing ring arranged at the upper end of the rotating shaft 9 can ensure the sealing performance of the lower end of the valve body 1;
wherein: the opposite outer side surfaces of the valve body 1 and the valve cover 2 are provided with flange plates, so that the concentric ball valve is convenient to install.
Wherein: the valve body is characterized by further comprising a filler 12, a filler pressing sleeve 13 and a filler pressing plate 14, wherein the filler 12 is filled in a gap between the valve rod 6 and the inner wall of a middle round hole of the base plate 4, the filler pressing sleeve 13 and the filler pressing plate 14 are movably sleeved at the upper end of the valve rod 6, the filler pressing sleeve 13 is in contact with the filler 12, the filler pressing plate 14 is fixed to the upper end of the base plate 4 through an external screw, the filler pressing plate 14 is in contact with the filler pressing sleeve 13 and enables the filler pressing sleeve 13 to move downwards, the filler 12 is pressed tightly, and the sealing performance of the upper end of the valve body 1 is further guaranteed.
When in use: the concentric ball valve is connected in series with the inside of a pipeline through a flange plate arranged on the outer side surface of the valve body 1 and the valve cover 2 which are opposite to each other, the valve body 1 is fixed through a support 5, the valve body is matched with a square column on the upper end of a valve rod 6 through an external tool, the lower end of the valve rod 6 is rotationally connected with the inner wall of a through hole on the upper end of the valve body 1 through a shaft sleeve 11, the valve rod 6 is rotated to drive a valve core 3 to rotate, a special-shaped opening 8 on the surface of the valve core 3 corresponds to the position of a water hole in the valve cover 2, the size of water flow is convenient to control, the sealing gasket 10 can ensure the sealing performance of the joint of the valve body 1 and the valve cover 2, the sealing performance of the upper end of the valve body 1 can be ensured through an O-shaped sealing ring arranged on the upper end of a rotating shaft 9, a packing pressing plate 14 is fixed to the upper end of a backing plate 4 through an external screw, the packing pressing plate 14 is contacted with a packing pressing sleeve 13 and the packing pressing sleeve 13 moves downwards, the packing 12 is pressed tightly, and the sealing performance of the upper end of the valve body 1 is further ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (5)
1. The utility model provides a concentric ball valve which characterized in that: comprises a valve body (1) and a valve core (3);
valve body (1): the right end of the valve body is provided with a valve cover (2) through a bolt, a sealing gasket (10) is arranged at the gap between the valve body (1) and the valve cover (2), the upper end of the valve body (1) is provided with a backing plate (4), and the upper end of the backing plate (4) is provided with a support (5);
valve element (3): a rotating shaft (9) arranged at the lower end of the valve body is rotationally connected with a round hole at the lower end of the valve body (1), a valve rod (6) is arranged at the upper end of the valve core (3), and the lower end of the valve rod (6) is rotationally connected with the inner wall of a through hole at the upper end of the valve body (1) through a shaft sleeve (11);
wherein: the back-to-back outer side surfaces of the valve body (1) and the valve cover (2) are provided with flange plates.
2. A concentric ball valve according to claim 1, wherein: the valve core (3) is a hollow sphere with an opening, the surface of the valve core (3) is provided with a special-shaped opening (8), and the valve core (3) corresponds to the position of the water hole in the valve cover (2).
3. A concentric ball valve according to claim 1, wherein: the upper end of the valve rod (6) is square, and the lower end of the valve rod (6) is provided with a sealing ring (7).
4. A concentric ball valve according to claim 1, wherein: the packing device is characterized by further comprising a packing (12), a packing pressing sleeve (13) and a packing pressing plate (14), wherein the packing (12) is filled in a gap between the valve rod (6) and the inner wall of the middle circular hole of the backing plate (4), the packing pressing sleeve (13) and the packing pressing plate (14) are movably sleeved at the upper end of the valve rod (6), and the packing pressing sleeve (13) is in contact with the packing (12).
5. A concentric ball valve according to claim 1, wherein: and an O-shaped sealing ring is arranged at the upper end of the rotating shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822263.6U CN214662199U (en) | 2021-04-21 | 2021-04-21 | Same-core ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822263.6U CN214662199U (en) | 2021-04-21 | 2021-04-21 | Same-core ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662199U true CN214662199U (en) | 2021-11-09 |
Family
ID=78465179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120822263.6U Active CN214662199U (en) | 2021-04-21 | 2021-04-21 | Same-core ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214662199U (en) |
-
2021
- 2021-04-21 CN CN202120822263.6U patent/CN214662199U/en active Active
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