CN211525650U

CN211525650U - Gas ball valve

Info

Publication number: CN211525650U
Application number: CN201922042223.5U
Authority: CN
Inventors: 康文辉
Original assignee: LIANSU TECHNOLOGY DEVELOPMENT (GUIYANG) CO LTD
Current assignee: LIANSU TECHNOLOGY DEVELOPMENT (GUIYANG) CO LTD
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-09-18
Anticipated expiration: 2029-11-22

Abstract

The utility model provides a gas ball valve, which comprises a valve body, a ball core arranged in the valve body, a valve rod connected with the ball core and extending out of the valve body, and two end pipes arranged at two ends of the valve body and connected with the valve body, wherein the gas ball valve also comprises a speed reducer, a motor, a switch controller and a battery, the motor is in transmission connection with the speed reducer, and the speed reducer is in transmission connection with the valve rod; the battery supplies power for the switch controller and the motor, the switch controller comprises a wireless receiving module, the switch controller is used for wirelessly receiving a switch instruction, controlling the motor to rotate forwards or backwards according to the switch instruction, and controlling the valve rod to rotate by increasing torque through the speed reducer, so that the gas ball valve is opened and closed. The utility model discloses realize the automatic switch of gas ball valve, than not few in following intelligent gas pipe network implementation.

Description

Gas ball valve

Technical Field

The utility model relates to a gas ball valve technical field, more specifically relates to a gas ball valve.

Background

The gas ball valve is used as a switching device essential for mounting a gas pipeline, and the flow switch control of gas is realized. PE (polyethylene) gas ball valves have been widely used because of their excellent chemical properties.

However, the PE gas ball valve at home and abroad has the following problems: the PE gas ball valve cannot be automatically opened and closed, only can be manually operated, the operation labor is large, the distance between every two valves is long, automobile transportation is needed, and the operation cost is huge. Moreover, the PE gas ball valve is easy to become temporary plugging during pipeline branch construction, or a bleeding valve is used as an inlet for detecting a new branch pressure bearing test, so that the ball valve is extremely likely to be damaged due to irregular manual operation, and gas leakage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art PE gas ball valve defect that can not automatic switch, but automatic switch's PE gas ball valve is provided.

In order to solve the technical problem, the technical scheme of the utility model as follows:

a gas ball valve comprises a valve body, a ball core arranged in the valve body, a valve rod connected with the ball core and extending out of the valve body, and two end pipes arranged at two ends of the valve body and connected with the valve body, wherein the gas ball valve also comprises a speed reducer, a motor, a switch controller and a battery; the battery supplies power for the switch controller and the motor, the switch controller comprises a wireless receiving module, the switch controller is used for wirelessly receiving a switch instruction, controlling the motor to rotate forwards or backwards according to the switch instruction, and controlling the valve rod to rotate by increasing torque through the speed reducer, so that the gas ball valve is opened and closed.

Preferably, the speed reducer is a fence-type rotary speed reducer, such as the fence-type rotary speed reducer provided in patent 200720041655.9, and the fence-type rotary speed reducer is fixedly connected with the valve body through a flange and is in transmission connection with the valve stem through a transmission head. The enclosure type rotary speed reducer is different from a worm speed reducer of a metal automatic valve on the market, and is fit for the transmission requirement and the design model of the product.

Preferably, the reduction ratio of the fence-type rotary speed reducer is 20-30, and the large reduction ratio can protect the gas ball valve from plastic yielding of internal parts of the gas ball valve due to instantaneous large torque.

Preferably, the drive head is a detachable drive head. The motor drives the fence-type rotary speed reducer, and the fence-type rotary speed reducer drives the rotating head to drive the valve rod to rotate; when the motor damages, can artifical direct the proposition rotate the head, realize the operation of gas ball valve switch key.

Preferably, the fence reduction box is made of plastic, so that buried ground is guaranteed not to rust and corrode, and the same service life as the PE gas pipeline can be achieved.

Preferably, the two end pipes are respectively provided with a diffusing pipe, the two diffusing pipes are communicated through a communicating pipe, and the communicating pipe is provided with a switch valve. The utility model aims to increase the communicating pipe to make the ball valve closed for a long time easier to twist; the principle is that when the floating ball valve is pressed and closed for a long time, the ball core deviates to form a larger friction and vacuum state between the local part and a valve body or a sealing ring, and the opening torque force exceeds the normal range to cause the damage of the internal parts of the ball valve; the purpose of setting up communicating pipe can help the ball valve pressure release that floats, and the ball core slowly returns to the center just, and ball valve torsion returns normally.

Preferably, the battery and the switch controller are arranged in the same explosion-proof and waterproof shell.

Preferably, the switch controller is connected with the motor through stretching out the aviation plug of the explosion-proof and waterproof shell, so that the switch controller can be quickly replaced, and underground maintenance is avoided.

Preferably, the motor is a waterproof explosion-proof motor. The explosion-proof and waterproof motor and the switch controller with the explosion-proof and waterproof shell are adopted, so that the safety of the whole pipeline system is ensured under the condition that the gas leakage in a buried environment is unknown, and the disaster caused when spark static meets the gas leakage is avoided.

Preferably, the gas ball valve is a PE gas ball valve.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is: the utility model provides a gas ball valve, which comprises a valve body, a ball core arranged in the valve body, a valve rod connected with the ball core and extending out of the valve body, and two end pipes arranged at two ends of the valve body and connected with the valve body, wherein the gas ball valve also comprises a speed reducer, a motor, a switch controller and a battery, the motor is in transmission connection with the speed reducer, and the speed reducer is in transmission connection with the valve rod; the battery supplies power for the switch controller and the motor, the switch controller comprises a wireless receiving module, the switch controller is used for wirelessly receiving a switch instruction, controlling the motor to rotate forwards or backwards according to the switch instruction, and controlling the valve rod to rotate by increasing torque through the speed reducer, so that the gas ball valve is opened and closed. The utility model discloses realize the automatic switch of gas ball valve, than not few in following intelligent gas pipe network implementation.

Drawings

Fig. 1 is a schematic view of the gas ball valve of the present invention.

Fig. 2 is an assembly schematic view of the gas-fired cylinder valve of the present invention.

Fig. 3 is a schematic view of the assembly of the reducer and the motor.

Wherein: 1. a valve body; 2. a valve stem; 3. an end tube; 4. a speed reducer; 5. a motor; 6. a drive head; 7. a diffusing pipe; 8. a communicating pipe; 9. explosion-proof waterproof casing.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent;

for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1-3, a gas ball valve comprises a valve body 1, a ball core arranged in the valve body 1, a valve rod 2 connected with the ball core and extending out of the valve body 1, and two end pipes 3 arranged at two ends of the valve body 1 and connected with the valve body 1, wherein the gas ball valve further comprises a speed reducer 4, a motor 5, a switch controller and a battery, the motor 5 is in transmission connection with the speed reducer 4, and the speed reducer 4 is in transmission connection with the valve rod 2; the battery supplies power for the switch controller and the motor 5, the switch controller comprises a wireless receiving module, the switch controller is used for wirelessly receiving a switch instruction, controlling the motor 5 to rotate forwards or backwards according to the switch instruction, and increasing torque through the speed reducer 4 to control the valve rod 2 to rotate, so that the gas ball valve is opened and closed.

The speed reducer 4 is a fence-type rotary speed reducer which is fixedly connected with the valve body 1 through a flange and is in transmission connection with the valve rod 2 through a transmission head 6. The enclosure type rotary speed reducer is different from a worm speed reducer of a metal automatic valve on the market, and is fit for the transmission requirement and the design model of the product.

The reduction ratio of the fence-type rotary speed reducer is 20-30, and the large reduction ratio can protect the gas ball valve from plastic yielding of internal parts of the gas ball valve due to instantaneous large torque.

The transmission head 6 is a detachable transmission head. The motor 5 drives a fence-type rotary speed reducer which drives a rotating head to drive the valve rod 2 to rotate; when the motor 5 is damaged, the rotating head can be manually and directly lifted, and the key on-off operation of the gas ball valve is realized.

The fence reduction box is made of plastic materials, so that buried ground is guaranteed not to rust and corrode, and the same service life as the PE gas pipeline can be achieved.

The two end pipes 3 are respectively provided with a diffusing pipe 7, the two diffusing pipes 7 are communicated through a communicating pipe 8, and the communicating pipe 8 is provided with a switch valve. The utility model adds the communicating pipe 8 to make the ball valve closed for a long time easier to twist; the principle is that when the floating ball valve is pressed and closed for a long time, the ball core deflects to cause that a larger friction and vacuum state is formed between the local part and the valve body 1 or the sealing ring, and the opening torque force exceeds the normal range to cause the damage of the internal parts of the ball valve; the purpose of setting up communicating pipe 8 can help the ball valve pressure release that floats, and the ball core slowly returns to the center just, and ball valve torsion returns normally.

The battery and the switch controller are arranged in the same explosion-proof and waterproof shell 9.

The switch controller is connected with the motor 5 through stretching out the aviation plug of the explosion-proof and waterproof shell 9, so that the quick replacement can be realized, and the underground maintenance can be avoided.

The motor 5 adopts a waterproof explosion-proof motor. The explosion-proof and waterproof motor and the switch controller with the explosion-proof and waterproof shell 9 are adopted to ensure the safety of the whole pipeline system under the condition that the gas leakage of the buried environment is unknown, and prevent spark static from disasters when encountering the gas leakage.

The gas ball valve is a PE gas ball valve.

The same or similar reference numerals correspond to the same or similar parts;

the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;

it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A gas ball valve comprises a valve body (1), a ball core arranged in the valve body (1), a valve rod (2) connected with the ball core and extending out of the valve body (1), and two end pipes (3) arranged at two ends of the valve body (1) and connected with the valve body (1), and is characterized by further comprising a speed reducer (4), a motor (5), a switch controller and a battery, wherein the motor (5) is in transmission connection with the speed reducer (4), and the speed reducer (4) is in transmission connection with the valve rod (2); the battery supplies power for the switch controller and the motor (5), the switch controller comprises a wireless receiving module, the switch controller is used for wirelessly receiving a switch instruction, controlling the motor (5) to rotate forwards or backwards according to the switch instruction, and controlling the valve rod (2) to rotate by increasing torque through the speed reducer (4) so as to realize the opening and closing of the gas ball valve.

2. The gas ball valve according to claim 1, wherein the speed reducer (4) is a rail-type rotary speed reducer, which is fixedly connected with the valve body (1) through a flange and is in transmission connection with the valve stem (2) through a transmission head (6).

3. The gas ball valve according to claim 2, wherein the reduction ratio of the fence type rotary speed reducer is 20-30.

4. Gas ball valve according to claim 2, characterized in that said transmission head (6) is a detachable transmission head.

5. The gas ball valve of claim 2, wherein the enclosure reduction box is plastic.

6. The gas ball valve according to claim 1, characterized in that the two end pipes (3) are respectively provided with a bleeding pipe (7), and the two bleeding pipes (7) are communicated through a communicating pipe (8), and the communicating pipe (8) is provided with a switch valve.

7. Gas ball valve according to claim 1, characterized in that the battery and the switch controller are arranged in the same explosion-proof and water-proof housing (9).

8. Gas ball valve according to claim 7, characterized in that the switch control is connected to the electric motor (5) by means of an aviation plug protruding from the explosion-proof and waterproof housing.

9. Gas ball valve according to claim 1, characterized in that said electric motor (5) is a waterproof explosion-proof motor.

10. The gas ball valve according to any one of claims 1-9, wherein said gas ball valve is a PE gas ball valve.