CN210623760U

CN210623760U - Gas ball valve

Info

Publication number: CN210623760U
Application number: CN201920671355.1U
Authority: CN
Inventors: 梁天麒; 雷文英; 王发旺; 刘婉婷; 张绪辉
Original assignee: Wenzhou Annuo Valve Co Ltd
Current assignee: Wenzhou Annuo Valve Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-05-26
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a gas ball valve, including frame, ball core and pipeline, the inside of pipeline is equipped with the ball core, and the top of pipeline is equipped with the frame, the top of frame is equipped with spacing hole, and the top of frame is equipped with the carousel, the bottom of carousel is equipped with the center pin, the bottom of center pin is equipped with the piston, and the bottom of piston is equipped with the lug. The utility model discloses an increase two diaphragms, and all be equipped with reset spring bottom the diaphragm, rotate after pushing down the certain distance with the carousel when using, can drive the ball core and rotate, realize opening and shutting of valve, after releasing the carousel, under reset spring's effort, the lug of center pin bottom is replied to initial position, thereby ensure to rotate the carousel and also can not drive the ball core and rotate, further realize the purpose that is in off-state all the time at maintenance in-process ball valve, guarantee that maintenance work's safety goes on.

Description

Gas ball valve

Technical Field

The utility model relates to a pipeline valve equipment technical field specifically is a gas ball valve.

Background

The gas is the general term for gas fuel, and it can be burned to release heat for urban residents and industrial enterprises. The gas is of various types, mainly including natural gas, artificial gas, liquefied petroleum gas, methane and coal gas. Compared with developed countries, the fuel gas supply industry in China starts late, and distributed fuel gas mainly comprises three types of coal gas, liquefied petroleum gas and natural gas. The gas supply in China has increased substantially since the last 90 s. Wherein, after the supply of the artificial gas is greatly increased in 1990, the artificial gas is in a slow increasing stage at present due to the defects of high pollution, high toxicity and the like; the liquefied petroleum gas is influenced by the rising of the petroleum price, and the supply quantity is kept stable; compared with gasoline and diesel oil, the price of the natural gas with the same heat value is 30-50% lower, the natural gas has obvious economy, meanwhile, the country pays more and more attention to environmental protection, the market continuously increases the demand of clean energy, and the natural gas is used as clean, efficient and cheap energy, so that the consumption of the natural gas is rapidly developed. The valve is one of the vital parts in the gas pipeline.

However, present gas ball valve still has the weak point when using, its most simple structure, when the pipeline of supply gas appears leaking or the trouble needs to be maintained, need to close the ball valve, will guarantee all the time that the ball valve is in off-state in the maintenance process simultaneously, present ball valve is closing the back, all can open once more through the carousel, thereby can't guarantee that the ball valve is in off-state all the time in the maintenance process, there is the potential safety hazard, and simultaneously, present most ball valve also does not have the function of preventing maloperation when normal use, some have the ball valve of this function, it is too complicated to prevent the design of maloperation, not only improve its processing technology's the degree of difficulty, the operation mode is also comparatively inconvenient when normal use simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas ball valve to solve the current ball valve that proposes in the above-mentioned background art and can not guarantee to be in the off-state all the time in the maintenance process, have the potential safety hazard, most ball valve does not have the function of preventing the maloperation simultaneously, and the ball valve structure that has this function in a small amount is complicated, not only the processing technology difficulty, the inconvenient scheduling problem of operation moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas ball valve, includes frame, ball core and pipeline, the inside of pipeline is equipped with the ball core, and the top of pipeline is equipped with the frame, the top of frame is equipped with spacing hole, and the top of frame is equipped with the carousel, the bottom of carousel is equipped with the center pin, the bottom of center pin is equipped with the piston, and the bottom of piston is equipped with the lug.

Preferably, the inner part of the outer frame is provided with a middle plate, and the center of the middle plate is provided with a round hole.

Preferably, the intermediate position department outside of center pin is equipped with first bearing, and the outside of first bearing is equipped with first diaphragm, the bottom of first diaphragm is equipped with first reset spring, and the top of first diaphragm is equipped with the limiting plate.

Preferably, the upper surface of the first transverse plate is provided with a rolling groove, and a roller is arranged in the rolling groove.

Preferably, the bottom of center pin is equipped with the second bearing, and the outside of second bearing is equipped with the second diaphragm, the bottom of second diaphragm is equipped with second reset spring.

Preferably, the first return spring and the second return spring are both provided with a protection block inside, and the protection block is divided into an upper part and a lower part along the same vertical straight line.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that by adding two transverse plates and arranging the reset springs at the bottoms of the transverse plates, when in use, the rotary plate is pressed down for a certain distance and then rotated, so that the ball core can be driven to rotate, the opening and closing of the valve are realized, and after the rotary plate is released, the lug at the bottom of the central shaft is returned to the initial position under the action of the reset springs, thereby ensuring that the rotary plate can not drive the ball core to rotate, further realizing the purpose that the ball valve is always in a closed state in the maintenance process, and ensuring the safe operation of the maintenance work;

2. the utility model discloses an outer frame top is equipped with spacing hole, and the centre department of center pin is equipped with the limiting plate simultaneously, and when the carousel did not receive pressure, reset spring was in initial condition, and the limiting plate was located spacing downthehole this moment to ensure that the carousel did not receive external force to rotate, further realized the anti-misoperation function of ball valve through simple structure;

3. the utility model discloses all be equipped with the protection piece in each reset spring's inside, can ensure well through the protection piece can not crooked to both sides when reset spring pressurized to ensure that reset spring can not the structural failure, further improved the holistic life of this ball valve.

Drawings

Fig. 1 is a schematic structural view of the gas ball valve of the present invention when opened;

FIG. 2 is a schematic view of the structure of the present invention when closed;

fig. 3 is a top view of the first cross plate of the present invention;

fig. 4 is a top view of the outer frame of the present invention.

In the figure: 1. a turntable; 2. a central shaft; 3. a limiting hole; 4. an outer frame; 5. a limiting plate; 6. a first transverse plate; 61. a roller; 62. rolling a groove; 7. a first return spring; 8. a first bearing; 9. a protection block; 10. a middle plate; 101. a circular hole; 11. a second transverse plate; 12. a second bearing; 13. a piston; 14. a bump; 15. a ball core; 16. a pipeline; 17. a second return spring.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a gas ball valve, includes frame 4, ball core 15 and pipeline 16, and the inside of pipeline 16 is equipped with ball core 15, and the top of pipeline 16 is equipped with frame 4, and the top of frame 4 is equipped with spacing hole 3, and the top of frame 4 is equipped with carousel 1, and the bottom of carousel 1 is equipped with center pin 2, and the bottom of center pin 2 is equipped with piston 13, and the bottom of piston 13 is equipped with lug 14.

Further, an intermediate plate 10 is provided inside the outer frame 4, and a circular hole 101 is provided at a central position of the intermediate plate 10.

Further, the intermediate position department outside of center pin 2 is equipped with first bearing 8, and the outside of first bearing 8 is equipped with first diaphragm 6, and the bottom of first diaphragm 6 is equipped with first reset spring 7, and the top of first diaphragm 6 is equipped with limiting plate 5 for with spacing hole 3 cooperation, realize the restriction to 2 horizontal rotational degrees of freedom of center pin, and then realize preventing the maloperation function of ball valve.

Further, the upper surface of the first horizontal plate 6 is provided with a rolling groove 62, and a roller 61 is arranged inside the rolling groove 62, so as to realize the rotation of the limit plate 5.

Further, the bottom of center pin 2 is equipped with second bearing 12, and the outside of second bearing 12 is equipped with second diaphragm 11, and the bottom of second diaphragm 11 is equipped with second reset spring 17.

Further, first reset spring 7 and second reset spring 17's inside all is equipped with protection piece 9 for protect first reset spring 7 and second reset spring 17, take place horizontal deformation when preventing it pressurized, lead to its structural failure, and then ensured the whole life of ball valve, and protection piece 9 is two about following same vertical straight line and going into.

The working principle is as follows: when the device is used, after the turntable 1 is pressed down for a certain distance, the lug 14 at the bottom end of the central shaft 2 is just inserted into the groove at the top of the ball core 15, then the rotary disc 1 is rotated to drive the ball core to rotate through the central shaft 2, the opening and closing of the ball valve and the control of the fuel gas flow are realized, when the rotating disc 1 is released, the second transverse plate 11 moves upwards to return to the initial position under the action of the second return spring 17, thereby driving the central shaft 2 jacket to further drive the convex block 14 to be separated from the groove of the ball core 15, at the moment, the rotating turntable 1 can not drive the ball core 15 to rotate any more, meanwhile, after the turntable 1 is rotated by a certain angle to make the limit plate 5 align with the limit hole 3 on the outer frame 4, when the rotating disc 1 is released, the first transverse plate 6 moves upwards to restore the initial position under the action of the first return spring 7, thereby make limiting plate 5 be in spacing hole 3, just unable carousel 1 of rotating this moment realizes the maloperation function of preventing of ball valve.

Claims

1. The utility model provides a gas ball valve, includes frame (4), ball core (15) and pipeline (16), its characterized in that: the pipeline structure is characterized in that a ball core (15) is arranged inside the pipeline (16), an outer frame (4) is arranged at the top of the pipeline (16), a limiting hole (3) is formed in the top of the outer frame (4), a turntable (1) is arranged at the top of the outer frame (4), a central shaft (2) is arranged at the bottom of the turntable (1), a piston (13) is arranged at the bottom end of the central shaft (2), and a lug (14) is arranged at the bottom of the piston (13).

2. A gas ball valve as claimed in claim 1, wherein: the inner part of the outer frame (4) is provided with a middle plate (10), and the center of the middle plate (10) is provided with a round hole (101).

3. A gas ball valve as claimed in claim 1, wherein: the middle position department outside of center pin (2) is equipped with first bearing (8), and the outside of first bearing (8) is equipped with first diaphragm (6), the bottom of first diaphragm (6) is equipped with first reset spring (7), and the top of first diaphragm (6) is equipped with limiting plate (5).

4. A gas ball valve as claimed in claim 3, wherein: the upper surface of the first transverse plate (6) is provided with a rolling groove (62), and a roller (61) is arranged in the rolling groove (62).

5. A gas ball valve as claimed in claim 3, wherein: the bottom of center pin (2) is equipped with second bearing (12), and the outside of second bearing (12) is equipped with second diaphragm (11), the bottom of second diaphragm (11) is equipped with second reset spring (17).

6. A gas ball valve according to claim 5, wherein: the inside of first reset spring (7) and second reset spring (17) all is equipped with protection piece (9), and protection piece (9) divide into about two along same vertical straight line.