CN220622818U - Eccentric ball valve convenient to it is spacing fast - Google Patents
Eccentric ball valve convenient to it is spacing fast Download PDFInfo
- Publication number
- CN220622818U CN220622818U CN202322384790.5U CN202322384790U CN220622818U CN 220622818 U CN220622818 U CN 220622818U CN 202322384790 U CN202322384790 U CN 202322384790U CN 220622818 U CN220622818 U CN 220622818U
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- eccentric ball
- worm
- valve core
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- 238000007789 sealing Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims description 16
- 238000010030 laminating Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of eccentric ball valves, in particular to an eccentric ball valve convenient for quick limiting, which comprises a valve body, wherein a valve core is attached to the inner wall of the valve body, a valve rod is fixed at the top of the valve core, a shaft rod is fixed at the top of the valve rod, the outer wall of the shaft rod penetrates through the center of the surface of a driving gear, one side of the surface of the driving gear is meshed with one side of the surface of a shaft worm, one end of the shaft worm is fixedly provided with a servo motor, the other side of the surface of the driving gear is attached with a limiting bolt, the improved eccentric ball valve controls the opening or closing angle of the valve core by utilizing the rotating direction and the number of turns of the servo motor, and by adding devices such as a sealing ring, an auxiliary spring, a truncated tube and the like, the sealing ring can be pushed to be tightly attached to the surface of the valve core by the auxiliary spring when the valve core is closed, and a better sealing effect can be achieved.
Description
Technical Field
The utility model relates to the technical field of eccentric ball valves, in particular to an eccentric ball valve convenient for quick limiting.
Background
The eccentric ball valve and flange gate valve are the same type of valve, and are different in that its closing member is a ball body, and the ball body can be rotated around the central line of valve body to implement opening and closing, and the ball valve is mainly used for cutting off, distributing and changing flow direction of medium in pipeline, and has the advantages of small fluid resistance, simple structure, small volume, light weight, compact and reliable structure, convenient operation and maintenance and extensive application range.
At present, an eccentric ball valve provided in the market generally comprises a valve body, a valve cover, a valve rod, a valve seat, a ball body and a hand wheel, wherein the ball body is rotationally arranged in the valve body, the valve rod penetrates through the valve cover, the upper end of the valve rod is linked with the hand wheel, the lower end of the valve rod is linked with the valve rod, the valve seat is detachably arranged on one side of the valve body through a bolt, and a ball crown which can be propped against the valve seat is arranged on the ball body; meanwhile, the sealing effect of the existing eccentric ball valve depends on the manufacturing precision of the surface of the valve core, and after the eccentric ball valve is used for a period of time, the valve core can be slightly worn, so that the valve core and a contact surface cannot form sealing, and the normal working effect of the eccentric ball valve is further affected, and therefore the eccentric ball valve convenient to rapidly limit is provided.
The utility model discloses an eccentric half ball valve (publication number: CN 202195098U), which comprises a spherical valve body, wherein the two ends of the valve body are respectively an inlet end and an outlet end, a spherical valve core is rotatably arranged in the valve body, the upper end and the lower end of the valve core are respectively fixedly connected with a rotating shaft, a wear-resisting layer is arranged at the position corresponding to the valve core and the inlet end, a trapezoid groove is formed in the wear-resisting layer, a wear-resisting sleeve is sleeved in the inlet end of the valve body, and a convex ring matched with the groove is arranged at the rear end of the wear-resisting sleeve. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the existing design only rotates manually to open or close the valve core, the efficiency is low, and the position of the valve core cannot be limited rapidly; 2. when the valve core is closed, the sealing effect is not perfect enough in the existing design, and the condition of liquid leakage easily occurs.
Disclosure of Invention
The utility model aims to provide an eccentric ball valve convenient for quick limiting, so as to solve the problems that the manual switch valve core provided in the background art is low in efficiency, the valve core cannot be quickly limited, the sealing effect is not perfect when the valve core is closed, and the like. In order to achieve the above purpose, the present utility model provides the following technical solutions: the eccentric ball valve convenient for quick limiting comprises a valve body, wherein a valve core is attached to the inner wall of the valve body;
the top of case is fixed with the valve rod, the top of valve rod is fixed with the axostylus axostyle, the outer wall of axostylus axostyle runs through in drive gear's surface center, drive gear's surface one side meshes with the surface one side of taking the axle worm, the one end of taking the axle worm is fixed with servo motor, drive gear's surface opposite side laminating has spacing bolt, the other end of taking the axle worm is fixed with the runner, the laminating of the surface one end of case has the sealing washer.
Further preferably, the top of the outer wall of the valve body is fixed with a connecting pipe, the bottom of the valve body is fixed with a sealing base, one end of the valve body is fixed with a liquid outlet end, the top of the connecting pipe is fixed with a gear cabin, the top of the gear cabin is connected with a cabin cover, one side of the surface of the gear cabin is fixed with a braking cabin, and a rotating structure is formed between the inner wall of the sealing base and the bottom of the valve core.
Further preferably, an auxiliary spring is fixed at one end of the sealing ring, a cutoff pipe is fixed at one end of the auxiliary spring, a liquid inlet end is fixed at one end of the cutoff pipe, and an elastic structure is formed between the sealing ring and the cutoff pipe through the auxiliary spring.
Further preferably, the axis dimension of one end of the limit bolt is consistent with the surface pitch dimension of the driving gear.
Further preferably, the top of the shaft rod and the hatch cover form a rotary structure through a bearing, and the shaft rod, the valve rod and the valve core form an integrated structure.
Further preferably, the worm with shaft is movably connected with two ends of the brake cabin through a bearing, and a worm transmission structure is formed between the worm with shaft and the driving gear.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, by adding devices such as a servo motor, a limit bolt and the like and matching with a rotating wheel, a worm with a shaft, a driving gear, a shaft lever and the like, the rotation direction and the number of turns of the servo motor are utilized to control the worm with the shaft to drive the driving gear to rotate, so that the opening or closing angle of a valve core is controlled, and meanwhile, one end of the limit bolt can be inserted into the tooth pitch of the driving gear to provide quick limit for the driving gear.
According to the utility model, by adding the sealing ring, the auxiliary spring, the flow interception pipe and other devices, when the valve core is closed, the auxiliary spring is utilized to push the sealing ring to be closely attached to the surface of the valve core, so that a better sealing effect can be achieved.
Drawings
FIG. 1 is a schematic diagram of an axial structure of the present utility model;
FIG. 2 is a schematic diagram of the front view of the present utility model in full section;
FIG. 3 is a schematic diagram of an explosive structure according to the present utility model;
fig. 4 is a schematic view of a partial enlarged structure of the seal ring of the present utility model.
In the figure: 1. a valve body; 101. a connecting pipe; 102. sealing the base; 103. a liquid outlet end; 104. a gear compartment; 105. a hatch cover; 106. a brake chamber; 2. a valve core; 201. a valve stem; 202. a shaft lever; 203. a drive gear; 204. a worm with a shaft; 205. a servo motor; 206. a rotating wheel; 207. a limit bolt; 3. a seal ring; 301. an auxiliary spring; 302. a cutoff tube; 303. and a liquid inlet end.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the eccentric ball valve convenient for quick limiting comprises a valve body 1, wherein a valve core 2 is attached to the inner wall of the valve body 1;
the top of case 2 is fixed with valve rod 201, and the top of valve rod 201 is fixed with axostylus axostyle 202, and the outer wall of axostylus axostyle 202 runs through in the surface center of drive gear 203, and drive gear 203 surface one side meshes with the surface one side of taking the axle worm 204, and the one end of taking the axle worm 204 is fixed with servo motor 205, and the surface opposite side laminating of drive gear 203 has stop cock 207, and the other end of taking the axle worm 204 is fixed with runner 206, and the surface one end laminating of case 2 has sealing washer 3.
In this embodiment, as shown in fig. 1, 2 and 3, a connection pipe 101 is fixed at the top of the outer wall of the valve body 1, a sealing base 102 is fixed at the bottom of the valve body 1, a liquid outlet end 103 is fixed at one end of the valve body 1, a gear cabin 104 is fixed at the top of the connection pipe 101, a cabin cover 105 is connected at the top of the gear cabin 104, a brake cabin 106 is fixed at one side of the surface of the gear cabin 104, a rotating structure is formed between the inner wall of the sealing base 102 and the bottom of the valve core 2, and this structure can ensure that the valve core 2 and the valve rod 201 can rotate on the inner wall of the valve body 1.
In this embodiment, as shown in fig. 2 and 4, an auxiliary spring 301 is fixed at one end of the sealing ring 3, a cutoff tube 302 is fixed at one end of the auxiliary spring 301, a liquid inlet end 303 is fixed at one end of the cutoff tube 302, and an elastic structure is formed between the sealing ring 3 and the cutoff tube 302 through the auxiliary spring 301, so that the structure can provide a better sealing effect for the valve core 2.
In this embodiment, as shown in fig. 2 and 3, the axial dimension of one end of the limit bolt 207 is consistent with the surface pitch dimension of the driving gear 203, and this structure can provide a quick limit function for the valve core 2.
In this embodiment, as shown in fig. 2 and 3, the top of the shaft 202 and the hatch 105 form a rotating structure through a bearing, and the shaft 202, the valve rod 201 and the valve core 2 form an integrated structure, which can ensure that the shaft 202 drives the valve rod 201 and the valve core 2 to rotate along with the driving gear 203.
In this embodiment, as shown in fig. 2 and 3, the worm 204 with shaft is movably connected to two ends of the brake chamber 106 through bearings, and a worm transmission structure is formed between the worm 204 with shaft and the driving gear 203, which can convert the transverse rotational force generated by the servo motor 205 into the longitudinal rotational force.
The application method and the advantages of the utility model are as follows: this eccentric ball valve convenient to it is spacing fast, when using, the working process is as follows:
as shown in fig. 1, 2, 3 and 4, the liquid inlet end 303 is connected to the liquid inlet pipe, the liquid outlet end 103 is connected to the liquid outlet pipe, and the liquid flows out of the liquid outlet end 103 through the valve body 1; setting the rotating speed and the rotating number of the servo motor 205 according to the requirement, when the valve core 2 is required to be closed, starting the servo motor 205 to drive the worm 204 with the shaft to rotate, transmitting the rotating power to the driving gear 203 and the shaft lever 202 through the worm transmission structure, and starting the shaft lever 202 to rotate relative to the hatch 105 through the bearing effect to drive the valve rod 201 and the valve core 2 to rotate to a proper angle; when the valve core 2 rotates to the closing position, the surface of the valve core 2 can squeeze the sealing ring 3, and the auxiliary spring 301 at one end of the sealing ring 3 can provide opposite acting force, so that the sealing ring 3 can be tightly attached to the surface of the valve core 2 to achieve a better sealing and intercepting effect, and at the moment, the limit bolt 207 can be pressed down to provide a limit effect for the driving gear 203, so that the valve core 2 cannot be displaced due to liquid pressure, and the leakage condition is prevented; the device can also manually open or close the valve core 2 by manually rotating the rotating wheel 206, and provide an emergency operation scheme when power is off or the servo motor 205 needs maintenance.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Eccentric ball valve convenient to it is spacing fast, including valve body (1), its characterized in that: a valve core (2) is attached to the inner wall of the valve body (1);
the top of case (2) is fixed with valve rod (201), the top of valve rod (201) is fixed with axostylus axostyle (202), the outer wall of axostylus axostyle (202) runs through in the surface center of drive gear (203), the surface one side of drive gear (203) meshes with the surface one side of taking axial worm (204), the one end of taking axial worm (204) is fixed with servo motor (205), the laminating of the surface opposite side of drive gear (203) has stop cock (207), the other end of taking axial worm (204) is fixed with runner (206), the laminating of the surface one end of case (2) has sealing washer (3).
2. The eccentric ball valve facilitating quick stop as in claim 1, wherein: the novel valve is characterized in that a connecting pipe (101) is fixed at the top of the outer wall of the valve body (1), a sealing base (102) is fixed at the bottom of the valve body (1), a liquid outlet end (103) is fixed at one end of the valve body (1), a gear cabin (104) is fixed at the top of the connecting pipe (101), a cabin cover (105) is connected at the top of the gear cabin (104), a braking cabin (106) is fixed at one side of the surface of the gear cabin (104), and a rotary structure is formed between the inner wall of the sealing base (102) and the bottom of the valve core (2).
3. The eccentric ball valve facilitating quick stop as in claim 1, wherein: an auxiliary spring (301) is fixed at one end of the sealing ring (3), a cutoff pipe (302) is fixed at one end of the auxiliary spring (301), a liquid inlet end (303) is fixed at one end of the cutoff pipe (302), and an elastic structure is formed between the sealing ring (3) and the cutoff pipe (302) through the auxiliary spring (301).
4. The eccentric ball valve facilitating quick stop as in claim 1, wherein: the axial dimension of one end of the limit bolt (207) is consistent with the surface tooth pitch dimension of the driving gear (203).
5. The eccentric ball valve facilitating quick stop as in claim 1, wherein: the top of the shaft lever (202) and the hatch cover (105) form a rotating structure through a bearing, and an integrated structure is formed between the shaft lever (202) and the valve rod (201) and between the shaft lever and the valve core (2).
6. The eccentric ball valve facilitating quick stop as in claim 1, wherein: the worm with the shaft (204) is movably connected with two ends of the brake cabin (106) through a bearing, and a worm transmission structure is formed between the worm with the shaft (204) and the driving gear (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322384790.5U CN220622818U (en) | 2023-09-04 | 2023-09-04 | Eccentric ball valve convenient to it is spacing fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322384790.5U CN220622818U (en) | 2023-09-04 | 2023-09-04 | Eccentric ball valve convenient to it is spacing fast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622818U true CN220622818U (en) | 2024-03-19 |
Family
ID=90214627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322384790.5U Active CN220622818U (en) | 2023-09-04 | 2023-09-04 | Eccentric ball valve convenient to it is spacing fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622818U (en) |
-
2023
- 2023-09-04 CN CN202322384790.5U patent/CN220622818U/en active Active
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