CN219159679U

CN219159679U - Manual high-platform ball valve

Info

Publication number: CN219159679U
Application number: CN202223365700.XU
Authority: CN
Inventors: 季绍迁; 陶芳杰; 李军林
Original assignee: Wenzhou Taike Valve Technology Co ltd
Current assignee: Wenzhou Taike Valve Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-09
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a manual high-platform ball valve, which belongs to the field of ball valves and comprises a high-platform ball valve main body, wherein the upper end of the top of the high-platform ball valve main body is connected with a sealing bearing structure, a speed reducing structure is arranged in the sealing bearing structure, the upper end of the speed reducing structure is provided with a manual structure, the speed reducing structure comprises a first speed reducing gear, the top of the first speed reducing gear is provided with a meshing gear, and one side of the outer wall of the meshing gear is provided with a second speed reducing gear in a meshing manner. According to the utility model, the first reduction gear, the meshing gear, the transmission gear set and the second reduction gear are used for enabling the runner handle to rotate greatly, so that the ball valve core arranged below the second reduction gear is driven to rotate in a small amplitude, differential rotation is carried out, accurate adjustment of the opening and closing amplitude of the valve core is facilitated, and simultaneously, the torque force required by rotation of the ball valve core is increased, so that the large torque force required by manual opening and closing of the manual high-platform ball valve is reduced.

Description

Manual high-platform ball valve

Technical Field

The utility model relates to the field of ball valves, in particular to a manual high-platform ball valve.

Background

The manual high-platform ball valve and flange gate valve are the same type of valve, and are different in that the closing member is a ball body, and the ball body is manually rotated around the central line of the valve body to realize the opening and closing of the valve. Ball valves are used in pipelines primarily to shut off, dispense and change the direction of flow of media. The existing ball valve is provided with a starting and closing component for conveying liquid pipelines by using a field Jing Duowei, and different adapting conveying medium pipelines are further arranged according to pressure in a distinguishing mode, and the starting and closing component can be divided into a low-pressure medium conveying pipeline and a high-pressure medium conveying pipeline.

The manual high-platform ball valve is used in the existing high-pressure medium conveying pipeline, because of the tight laminating between the high-pressure medium state, in order to reduce the occurrence of leakage between the ball valve body and the valve core, the manual opening and closing needs a large torque, the opening and closing rotation range is ninety degrees generally, the rotation range is smaller, the opening and closing are carried out based on the large manual torque, the opening and closing range cannot be controlled effectively and accurately, and therefore the ball valve with the increased torque is particularly important, and meanwhile, the rotation range can be increased in the rotation process so that the high-pressure medium conveying capacity can be controlled accurately.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide a manual high-platform ball valve so as to solve the problems in the prior art.

2. Technical proposal

Manual high platform ball valve, including high platform ball valve main part, high platform ball valve main part top upper end is connected with sealed bearing structure, and the inside speed reducing structure that is provided with of sealed bearing structure, the speed reducing structure upper end is provided with manual structure, speed reducing structure includes first reduction gear, first reduction gear top is provided with the meshing gear, and meshing gear outer wall one side meshing is provided with second reduction gear, second reduction gear below block is provided with the ball valve case, manual structure includes drive gear group, drive gear group upper end is provided with the runner handle.

Preferably, the first reduction gear and the meshing gear are respectively meshed with the transmission gear set and the second reduction gear, and the second reduction gear form a transmission structure through the first reduction gear and the meshing gear.

Preferably, the sealing bearing structure comprises a lower bearing table, an upper top cover is arranged above the lower bearing table, a sealing protrusion is fixed on the outer wall of the bottom of the upper top cover, a sealing strip is arranged at the upper end of the top of the lower bearing table, and a supporting protrusion is fixed on one side of the outer wall of the sealing strip.

Preferably, the sealing strip forms a clamping structure through the lower bearing table, the upper top cover and the bolts, and the lower bearing table is in threaded connection with the upper top cover.

Preferably, the sealing strip is embedded in the lower bearing table in an L shape, and the abutting bulge is fixedly connected with the sealing strip in a trapezoid shape.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the first reduction gear, the meshing gear, the transmission gear set and the second reduction gear are used for enabling the runner handle to rotate greatly, so that the ball valve core arranged below the second reduction gear is driven to rotate in a small amplitude, differential rotation is carried out, accurate adjustment of the opening and closing amplitude of the valve core is facilitated, and simultaneously, the torque force required by rotation of the ball valve core is increased, so that the large torque force required by manual opening and closing of the manual high-platform ball valve is reduced.

2. According to the utility model, the sealing strip is sealed by the lower bearing table and the upper top cover through the bolts, so that the condition that external water is immersed into the sealed bearing structure is reduced, and the conditions that the speed reducing structure is corroded and the lubricating liquid is mixed with water vapor are effectively reduced.

3. The sealing way is prolonged by arranging the abutting bulge and the sealing strip, the sealing strip is L-shaped, and one bending side of the sealing strip is inclined and forms a trapezoid with the groove of the lower bearing table. The sealing protrusion is matched with the sealing protrusion to press and tightly resist, so that the pressing protrusion and one side of the groove form a pressing and tightly resisting state again, and the sealing effect is further improved.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic view of the overall mounting structure of the present utility model;

FIG. 3 is a schematic perspective view of a deceleration structure according to the present utility model;

FIG. 4 is a schematic view of the internal front view of the seal carrier structure of the present utility model;

FIG. 5 is a schematic cross-sectional view of a sealing strip according to the present utility model;

fig. 6 is a schematic view of a partial enlarged structure at a in fig. 5 according to the present utility model.

The reference numerals in the figures illustrate: 1. a high platform ball valve body; 2. sealing the load-bearing structure; 201. a lower bearing table; 202. an upper top cover; 203. a sealing protrusion; 204. a sealing strip; 205. the abutting bulge; 3. a deceleration structure; 301. a first reduction gear; 302. a meshing gear; 303. a second reduction gear; 4. a manual structure; 401. a drive gear set; 402. a handle of the rotating wheel.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, the present utility model provides a technical solution:

manual high platform ball valve, including high platform ball valve main part 1, high platform ball valve main part 1 top upper end is connected with sealed bearing structure 2, and sealed bearing structure 2 is inside to be provided with speed reduction structure 3, speed reduction structure 3 upper end is provided with manual structure 4, speed reduction structure 3 includes first reduction gear 301, first reduction gear 301 top is provided with meshing gear 302, and meshing gear 302 outer wall one side meshing is provided with second reduction gear 303, second reduction gear 303 below block is provided with the ball valve case, manual structure 4 includes drive gear group 401, drive gear group 401 upper end is provided with runner handle 402.

Specifically, the first reduction gear 301 and the meshing gear 302 are meshed with the transmission gear set 401 and the second reduction gear 303, respectively, and the second reduction gear 303 forms a transmission structure through the first reduction gear 301, the meshing gear 302 and the second reduction gear 303. According to the utility model, the first reduction gear 301, the meshing gear 302, the transmission gear set 401 and the second reduction gear 303 enable the runner handle 402 to rotate greatly, so that the ball valve core arranged below the second reduction gear 303 is driven to rotate slightly, differential rotation is carried out, the opening and closing amplitude of the valve core is convenient to accurately adjust, and meanwhile, the torque force required by rotation of the ball valve core is increased, so that the large torque force required by manual opening and closing of a manual high-platform ball valve is reduced.

It should be noted that, the sealing bearing structure 2 includes a lower bearing platform 201, an upper top cover 202 is disposed above the lower bearing platform 201, a sealing protrusion 203 is fixed on an outer wall of a bottom of the upper top cover 202, a sealing strip 204 is disposed at an upper end of a top of the lower bearing platform 201, and a tightening protrusion 205 is fixed on one side of an outer wall of the sealing strip 204.

It is noted that, the sealing strip 204 forms a clamping structure through the lower bearing platform 201, the upper top cover 202 and the bolts, and the lower bearing platform 201 and the upper top cover 202 are in threaded connection.

In addition, the sealing strip 204 is embedded in the lower bearing table 201 in an L shape, and the abutting protrusion 205 is fixedly connected with the sealing strip 204 in a trapezoid shape. The sealing way is prolonged by arranging the abutting bulge 205 and the sealing strip 204, the sealing strip 204 is L-shaped, one bending side of the sealing strip 204 is inclined, and the sealing strip 204 and the groove of the lower bearing table 201 form a trapezoid. To be matched with the sealing bulge 203 for pressing and tightly pressing, so that the pressing and tightly pressing state is formed between the pressing bulge 205 and one side of the groove again, and the sealing effect is further improved.

Working principle: firstly, the sealing bearing structure 2 is installed and connected with the ball valve core square connecting shaft of the high-platform ball valve main body 1 through bolts, the bottom of the second reduction gear 303 is installed with the ball valve core square connecting shaft as shown in fig. 2, then the upper top cover 202 is installed through bolts, simultaneously, lubricant is added into the sealing bearing structure 2, then the lower rotating wheel handle 402 is installed and connected with the transmission gear set 401, a bearing is clamped between the second reduction gear 303 and the lower bearing table 201, the bearing is clamped between the upper top cover 202 and the transmission gear set 401, sealing treatment is carried out through the sealing strip 204 in daily use, the condition that external water is immersed into the sealing bearing structure 2 is reduced, the situations that rust occurs to the reduction structure 3 and the lubricating liquid is mixed with water vapor are effectively reduced, meanwhile, the sealing strip 204 is arranged to prolong a sealing path by abutting the bulge 205 and the sealing strip 204, the sealing strip 204 is in an L shape, one side of the sealing strip 204 is inclined, and a trapezoid is formed with the groove of the lower bearing table 201. The sealing protrusion 203 is matched with and pressed tightly, the pressing protrusion 205 and one side of the groove form a pressing tightly state again, so that the sealing effect is further improved, finally, in the manual opening process, the first reduction gear 301 and the meshing gear 302 are used for enabling the rotating wheel handle 402 to rotate greatly, the ball valve core arranged below the second reduction gear 303 is driven to rotate in a small amplitude, differential rotation is carried out, the rotating number of rotation turns of the rotating wheel handle 402 is increased, the opening and closing amplitude of the valve core is accurately adjusted, the torque required by rotation of the ball valve core is increased, the large torque required by manual opening and closing of the manual high-platform ball valve is reduced, and finally, the transmission torque is increased simultaneously through manual quantitative adjustment in the use of the high-pressure medium conveying pipeline.

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

1. Manual high platform ball valve, including high platform ball valve main part (1), its characterized in that: the high-platform ball valve is characterized in that the upper end of the top of the high-platform ball valve body (1) is connected with a sealing bearing structure (2), a speed reducing structure (3) is arranged inside the sealing bearing structure (2), a manual structure (4) is arranged at the upper end of the speed reducing structure (3), the speed reducing structure (3) comprises a first speed reducing gear (301), a meshing gear (302) is arranged at the top of the first speed reducing gear (301), a second speed reducing gear (303) is arranged on one side of the outer wall of the meshing gear (302) in a meshing manner, a ball valve core is arranged below the second speed reducing gear (303) in a clamping manner, the manual structure (4) comprises a transmission gear set (401), and a rotating wheel handle (402) is arranged at the upper end of the transmission gear set (401).

2. The manual high platform ball valve according to claim 1, wherein: the first reduction gear (301) and the meshing gear (302) are respectively meshed with the transmission gear set (401) and the second reduction gear (303), and the second reduction gear (303) forms a transmission structure through the first reduction gear (301), the meshing gear (302) and the second reduction gear (303).

3. The manual high platform ball valve according to claim 1, wherein: the sealing bearing structure (2) comprises a lower bearing table (201), an upper top cover (202) is arranged above the lower bearing table (201), sealing protrusions (203) are fixed on the outer wall of the bottom of the upper top cover (202), sealing strips (204) are arranged at the upper end of the top of the lower bearing table (201), and abutting protrusions (205) are fixed on one side of the outer wall of the sealing strips (204).

4. A manual high platform ball valve according to claim 3, wherein: the sealing strip (204) forms a clamping structure through the lower bearing table (201), the upper top cover (202) and the bolts, and the lower bearing table (201) is in threaded connection with the upper top cover (202).

5. A manual high platform ball valve according to claim 3, wherein: the sealing strip (204) is embedded in the lower bearing table (201) in an L shape, and the abutting bulge (205) is fixedly connected with the sealing strip (204) in a trapezoid shape.