CN219994530U - Novel ball valve for controlling opening and closing of valve for liquid level - Google Patents

Abstract

The utility model discloses a novel ball valve for controlling opening and closing of a valve at the liquid level, which comprises a valve body, wherein a rotary hollow sphere is arranged in the valve body, a valve rod connected with the rotary hollow sphere is arranged on the valve body, a gear transmission mechanism is further arranged on the valve body, the gear transmission mechanism comprises a driving gear and a driven gear which are meshed, the number of teeth of the driving gear is greater than that of the driven gear, the valve rod is fixedly connected in a central hole of the driven gear, a shaft rod of the driving gear is fixedly connected with one end of a floating ball rod, and the other end of the floating ball rod is provided with a floating ball. According to the novel ball valve disclosed by the utility model, the floating ball floats up and down in the water level, the driving gear is driven to rotate through the change of the height of the water level, the opening and closing of the valve are controlled through the rotation angle of the driven gear amplified by the gear transmission mechanism, the automatic opening and closing function of pneumatic drainage equipment can be realized, and the personnel inspection and the compressed air resource waste are saved.

Description

Novel ball valve for controlling opening and closing of valve for liquid level

Technical Field

The utility model relates to the technical field of automatic drainage of mining pneumatic submersible pumps, in particular to a novel ball valve for controlling opening and closing of a valve for controlling the height of a liquid level.

Background

At present, the mining depth of the national mine industry is increased, and the high-gas mine is gradually increased. In the production process of an underground coal mine containing gas, various water pouring situations such as various shower water, crevice water, underground water and the like in a roadway are numerous, and drainage becomes an important content of mine production.

According to the national regulations of coal mine safety, the special return air tunnel and the main return air tunnel are strictly forbidden to install electrical equipment, so that most of drainage in the return air tunnel adopts pneumatic drainage equipment, and the pneumatic drainage equipment has no automatic pump stopping function, so that the drainage equipment cannot be automatically closed after the drainage is finished, and the drainage equipment needs to be closed by personnel inspection, thereby causing manual waste and wind pressure resource loss.

Therefore, it is necessary to develop a device for switching the pneumatic drainage device correspondingly through the on-site water level.

Disclosure of Invention

The utility model provides a novel ball valve capable of correspondingly switching on and off pneumatic drainage equipment through on-site water level, and aims to solve the technical problems that a special return air roadway of an underground coal mine and pneumatic drainage equipment installed in a main return air roadway are not provided with an automatic pump stopping function, so that the pneumatic drainage equipment cannot be automatically closed after drainage is finished, manual waste and wind pressure resource loss are caused by the fact that the pneumatic drainage equipment is required to be closed through personnel inspection.

The technical scheme includes that the novel ball valve for controlling the opening and closing of the valve comprises a valve body, a rotary hollow sphere is arranged in the valve body, a valve rod connected with the rotary hollow sphere is arranged on the valve body, a gear transmission mechanism is further arranged on the valve body, the gear transmission mechanism comprises a driving gear and a driven gear which are meshed, the number of teeth of the driving gear is greater than that of the driven gear, the valve rod is fixedly connected in a central hole of the driven gear, a shaft rod of the driving gear is fixedly connected with one end of a ball rod, and a floating ball is arranged at the other end of the ball rod.

Further, the gear transmission mechanism comprises a gear cover fixed on the valve body, and the driving gear and the driven gear are arranged in the gear cover.

Further, a limit post for limiting the rotation amplitude of the ball rod is arranged on the gear cover.

Further, the underside of the valve body is symmetrically provided with fixing lugs.

The novel ball valve provided by the utility model has the advantages that the floating ball floats up and down in the water level, the driving gear is driven to rotate through the change of the liquid level, the opening and closing of the valve is controlled through the rotation angle of the driven gear amplified by the gear transmission mechanism, the automatic opening and closing functions of pneumatic drainage equipment can be realized, the personnel inspection and the compressed air resource waste are saved, the automation of the pneumatic drainage equipment can be realized through the novel ball valve provided by the utility model, and the purposes of reducing personnel efficiency and loss are achieved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

fig. 3 is a schematic installation view of the present utility model.

In the figure: 100. novel ball valve; 200. pneumatic drainage pump; 1. a spring piston ring; 2. a cue; 3. a screw; 4. a gear cover; 5. a fixed key; 6. driven wheel axle; 7. a seal ring; 8 joints; 9. a seal ring; 10. rotating the hollow sphere; 11. a valve body; 12. a drive gear; 13. a driven gear; 14. a driving wheel axle; 15. a floating ball; 16. a fixed ear; 17. and a limit column.

Detailed Description

In order to better understand the purpose, structure and function of the utility model, the novel ball valve for controlling the opening and closing of the liquid level height control valve is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, a novel ball valve for controlling opening and closing of a valve according to the liquid level, the novel ball valve 100 comprises a valve body 11, a rotary hollow sphere 10 is arranged in the valve body 11, a valve rod connected with the rotary hollow sphere 10 is arranged on the valve body 11, a gear transmission mechanism is further arranged on the valve body 11, the gear transmission mechanism comprises a driving gear 12 and a driven gear 13 which are meshed, the number of teeth of the driving gear 12 is greater than that of the driven gear 13, the valve rod is fixedly connected in a central hole of the driven gear 13, a shaft lever of the driving gear 12 is fixedly connected with one end of a ball lever 2, and a floating ball 15 is arranged at the other end of the ball lever 2. In the process of floating the floating ball 15 up and down, the automatic opening and closing of the valve is realized by utilizing the lever principle and the amplifying function of gear transmission.

In this embodiment, in the middle cavity of valve body 11, one end is provided with internal thread connection pressure tuber pipe, and the other end is put into behind the rotatory hollow sphere 10 and is put into behind sealing washer 9 spiro union joint 8, connects 8 end pad sealing washer 7 and connects the pressure tuber pipe, and valve body 11, joint 8 are unanimous with current market general spare, reach standard general purpose. The downside symmetry of valve body 11 is provided with fixed ear 16, makes things convenient for novel ball valve 100 installation fixed.

The ball valve body 11 is provided with a driving gear 12 and a driven gear 13, the driven gear 13 is connected with the rotary hollow sphere 10 through a driven wheel shaft 6, the driven wheel shaft 6 is arranged in a central hole of the driven gear 13 through a fixed key 5, the driving gear 12 is connected with the ball lever 2 through a driving wheel shaft 14, the driving wheel shaft 14 is arranged in the central hole of the driving gear 12 through the fixed key 5, specifically, the ball lever 2 penetrates through the driving wheel shaft 14 through an eye hole at the end part, the upper side is fixed through a spring piston ring 1, and the other end of the ball lever 2 is provided with a floating ball 15. The driving gear 12 is in a multiple relationship with the driven gear 13, i.e. when the driving gear 12 rotates 45 °, the driven gear 13 can rotate 90 °, so that the rotating hollow sphere 10 rotates 90 ° to close the valve.

The driving gear 12 and the driven gear 13 are installed in the gear cover 4, and the gear cover 4 is installed above the valve body 11 by four screws 3. The gear cover 4 is also provided with a limit post 17, and after the valve is opened to the maximum, the floating ball 15 can not continue to rotate under the blocking of the limit post 17, so that the valve is prevented from being closed by mistake.

As shown in fig. 3, the novel ball valve 100 of the present utility model is installed on a pressure air pipe using a pneumatic drain pump 200, and the ball 15 continuously closes the valve as the water level decreases, and the ball 15 continuously opens the valve as the water level increases.

The utility model has simple principle and ingenious design, has very high practicability, realizes the switch closing of the valve through two-stage gear transmission, and can realize the 90-degree switch closing function of the valve under the condition that the ball rod rotates by 45 degrees. The product is promoted and applied nationally, 1 ten thousand products are sold annually, 100 yuan per product is calculated, and 100 ten thousand yuan can be created annually.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (4)

1. The utility model provides a novel ball valve of liquid level height control valve switching, including valve body (11), be provided with rotatory hollow sphere (10) in valve body (11), set up the valve rod of connecting rotatory hollow sphere (10) on valve body (11), a serial communication port, still be provided with gear train on valve body (11), gear train is including driving gear (12) and driven gear (13) of meshing, the number of teeth of driving gear (12) is more than the number of teeth of driven gear (13), valve rod fixed connection is in the centre bore of driven gear (13), the one end of the axostylus axostyle fixed connection kicking pole (2) of driving gear (12), the other end of kicking pole (2) sets up floater (15).

2. The novel ball valve for controlling the opening and closing of the valve according to claim 1, wherein the gear transmission mechanism comprises a gear cover (4) fixed on the valve body (11), and the driving gear (12) and the driven gear (13) are arranged in the gear cover (4).

3. The novel ball valve for controlling the opening and closing of the valve according to claim 2, wherein the gear cover (4) is provided with a limit post (17) for limiting the rotation amplitude of the ball rod (2).

4. The novel ball valve for controlling the opening and closing of the valve according to claim 1, wherein the lower side of the valve body (11) is symmetrically provided with fixing lugs (16).