CN114811087A

CN114811087A - Gas ball valve

Info

Publication number: CN114811087A
Application number: CN202110081799.1A
Authority: CN
Inventors: 洪如意
Original assignee: Zhejiang Shangqiu Valve Co ltd
Current assignee: Zhejiang Shangqiu Valve Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2022-07-29

Abstract

The invention belongs to the technical field of ball valves, in particular to a gas ball valve, and aims at solving the problems that the existing anti-theft lock is complex to install and a worker possibly operates a rotating wheel by mistake. The anti-theft lock has the advantages of compact structure, reasonable design and convenient operation, can effectively prevent a worker from rotating the valve rod due to misoperation, can quickly install the anti-theft lock under the condition of not using tools, and improves the installation efficiency.

Description

Gas ball valve

Technical Field

The invention relates to the technical field of ball valves, in particular to a gas ball valve.

Background

The gas valve is the device or equipment that is used for switching on and cutting off gas passage, reveals when preventing high-pressure gas through the gas valve, usually, no matter be ball valve or slide valve, its case and valve pocket cooperation are very inseparable to effectively prevented revealing of valve, the gas ball valve has realized the flow switch control to the gas as the essential switching device of gas piping erection.

The patent that publication number is CN107940013A discloses an theftproof gas ball valve, which comprises a valve body, the pickproof lock is installed to valve body right side shell wall, pickproof lock inner chamber central point puts and installs the theftproof lockhole, the air inlet is installed to valve body right side downside, the gas outlet is installed to valve body left side downside, one side fixedly connected with valve rod that leans on a left side in the middle part of the valve body, valve rod upper end fixedly connected with runner, the meshing has the gear in the middle part of the valve rod, valve rod lower extreme fixedly connected with ball valve core, gear right side swing joint has the piston rod, piston rod right-hand member fixedly connected with piston chamber, the piston is installed in piston chamber left side, ball valve core upper end is close to one side installation elasticity buckle in piston chamber. However, the anti-theft lock on the gas ball valve is generally fixedly installed through bolts, a special tool is required to be used, the installation is complicated, the rotating wheel is exposed outside, and a worker may operate the rotating wheel by mistake.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a gas ball valve.

In order to achieve the purpose, the invention adopts the following technical scheme:

a gas ball valve comprises a valve body, wherein an installation cavity is formed in the valve body, a hexagonal fixing groove is formed in the top of the valve body, a round groove is formed in the inner wall of the top of the installation cavity, a through groove is formed in the central position of the inner wall of the bottom of the hexagonal fixing groove and communicated with the round groove, a bearing is fixedly installed in the round groove, a valve rod is fixedly installed in the bearing, the bottom end of the valve rod extends into the installation cavity, an installation groove is formed in the central position of the top of the valve rod, a first spring is fixedly installed in the central position of the inner wall of the bottom of the installation groove, a moving rod is fixedly installed at the top end of the first spring, the top end of the moving rod penetrates through the installation groove and the through groove and extends into the hexagonal fixing groove, a hexagonal rotating block is fixedly installed on the hexagonal rotating block, the hexagonal rotating block is matched with the hexagonal fixing groove, a connecting column is fixedly installed at the central position of the top of the hexagonal rotating block, and a pull ring is installed on the connecting column in a rotating manner, the equal fixed mounting in both sides of carriage release lever has the stopper that is located the mounting groove, two cavitys have been seted up on the valve body, the constant head tank has been seted up to one side of valve body, and the constant head tank is located between two cavitys, the recess has all been seted up to the top inner wall and the bottom inner wall of constant head tank, and two recesses are linked together with two cavitys respectively, movable mounting has the reference column in the constant head tank, the one end of reference column extends outside the valve body, and fixed mounting has the pickproof lock, the draw-in groove that is located the constant head tank is all seted up to the top and the bottom of reference column, one side inner wall fixed mounting that the pickproof lock was kept away from to the cavity has the free bearing, rotate on the free bearing and install the movable rod.

Preferably, the centers of the hexagonal fixing groove, the circular groove and the through groove are located on the same vertical line.

Preferably, the inner walls of the two sides of the mounting groove are provided with limit grooves, and the two limit blocks are respectively slidably mounted in the two limit grooves.

Preferably, one side of the movable rod close to the positioning groove is fixedly provided with a clamping block, and one end of the clamping block penetrates through the groove and extends into the positioning groove and is matched with the clamping groove.

Preferably, a sliding groove is formed in one side, away from the clamping block, of the movable rod, a sliding block is arranged in the sliding groove in a sliding mode, and a connecting block is fixedly arranged at the top of the sliding block.

Preferably, the inner wall of one side that two cavities kept away from each other is all fixedly mounted with the telescopic link, and the equal fixed mounting of one end that two telescopic links are close to each other has the baffle.

Preferably, the bottom center position of baffle is fixed with the fixed block, and the fixed block rotates and installs on the connecting block.

Preferably, the telescopic rod is movably sleeved with a second spring, and two ends of the second spring are respectively and fixedly installed on the inner wall of one side of the baffle, which is far away from the positioning groove, and one side of the cavity.

In the invention, when the gas ball valve needs to be opened, the pull ring is pulled upwards, the hexagonal rotary block can be driven to move upwards due to the connection relationship among the pull ring, the connecting column and the hexagonal rotary block, the first spring fixedly connected with the hexagonal rotary block is stretched, when the hexagonal rotary block moves out of the hexagonal fixed groove, the limitation on the hexagonal rotary block is removed, the hexagonal rotary block can be freely rotated, the moving rod can be driven to rotate due to the fixed connection relationship between the hexagonal rotary block and the moving rod, the valve rod can synchronously rotate along with the moving rod due to the arrangement of the limiting block and the limiting groove, so that the gas ball valve is opened, when the gas ball valve is not used, the pull ring is loosened, the moving rod is pulled to move downwards due to the elastic restoring force of the first spring, the hexagonal rotary block is driven to move downwards and then is inserted into the hexagonal fixed groove, thereby can effectually prevent that the staff from rotating the valve rod because of the maloperation.

When the anti-theft lock is required to be installed, the positioning column fixedly installed on one side of the anti-theft lock is inserted into the positioning groove and is contacted with the clamping block along with the movement of the positioning column, the clamping block is further extruded, the movable rod can be extruded due to the fixed connection relationship between the clamping block and the movable rod, so that the movable rod rotates around the hinged support, the baffle can only vertically move due to the fixed connection relationship between the telescopic rod and the baffle, the sliding block can slide along the sliding groove and simultaneously move upwards due to the connection relationship between the movable rod, the sliding groove and the sliding block, the baffle can be driven to move upwards due to the connection relationship between the sliding block, the connecting block, the fixing block and the baffle, the second spring is compressed, when the clamping block moves out of the positioning groove, the positioning column is not blocked from moving, when the positioning column can be completely inserted into the positioning groove, the clamping block and the clamping groove are opposite at the moment, due to the elastic restoring force of the second spring, the extrusion baffle moves downwards, and the clamping block is inserted into the clamping groove through a series of mechanical transmission, so that the rapid installation of the anti-theft lock is completed. The anti-theft lock has the advantages of compact structure, reasonable design and convenient operation, can effectively prevent a worker from rotating the valve rod due to misoperation, can quickly install the anti-theft lock under the condition of not using tools, and improves the installation efficiency.

Drawings

FIG. 1 is a schematic structural view of a gas ball valve according to the present invention;

FIG. 2 is a schematic structural view of a portion A of FIG. 1 of the gas ball valve according to the present invention;

FIG. 3 is a schematic view of the valve stem and travel bar configuration of FIG. 1 of the gas ball valve of the present invention;

FIG. 4 is a schematic structural view of a portion B of the gas ball valve in FIG. 1;

fig. 5 is a perspective view of a portion of the structure of fig. 1 of the gas ball valve according to the present invention.

In the figure: 1 valve body, 2 installation chambeies, 3 hexagon fixed slots, 4 circular slots, 5 logical grooves, 6 bearings, 7 valve rods, 8 mounting grooves, 9 first springs, 10 carriage release levers, 11 hexagon rotation pieces, 12 spliced poles, 13 pull rings, 14 stopper, 15 spacing grooves, 16 cavities, 17 constant head tank, 18 recesses, 19 reference columns, 20 pickproof locks, 21 draw-in grooves, 22 free bearings, 23 movable rods, 24 fixture blocks, 25 spout, 26 slider, 27 connecting block, 28 telescopic link, 29 baffles, 30 fixed blocks, 31 second springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-5, the gas ball valve comprises a valve body 1, wherein a mounting cavity 2 is formed in the valve body 1, a hexagonal fixing groove 3 is formed in the top of the valve body 1, a circular groove 4 is formed in the inner wall of the top of the mounting cavity 2, a through groove 5 is formed in the central position of the inner wall of the bottom of the hexagonal fixing groove 3, the through groove 5 is communicated with the circular groove 4, a bearing 6 is fixedly installed in the circular groove 4, a valve rod 7 is fixedly installed in the bearing 6, the bottom end of the valve rod 7 extends into the mounting cavity 2, a mounting groove 8 is formed in the central position of the top of the valve rod 7, a first spring 9 is fixedly installed in the central position of the inner wall of the bottom of the mounting groove 8, a moving rod 10 is fixedly installed at the top end of the first spring 9, the top end of the moving rod 10 penetrates through the mounting groove 8 and the through groove 5 and extends into the hexagonal fixing groove 3, a hexagonal rotating block 11 is fixedly installed, and the hexagonal rotating block 11 is matched with the hexagonal fixing groove 3, fixed mounting has spliced pole 12 at the top central point of hexagonal rotatory piece 11, it installs pull ring 13 to rotate on spliced pole 12, the equal fixed mounting in both sides of carriage release lever 10 has stopper 14 that is located mounting groove 8, two cavities 16 have been seted up on valve body 1, constant head tank 17 has been seted up to one side of valve body 1, and constant head tank 17 is located between two cavities 16, the top inner wall and the bottom inner wall of constant head tank 17 all set up fluted 18, and two recesses 18 are linked together with two cavities 16 respectively, movable mounting has reference column 19 in the constant head tank 17, the one end of reference column 19 extends to outside the valve body 1, and fixed mounting has pickproof lock 20, draw-in groove 21 that is located constant head tank 17 is all seted up to the top and the bottom of reference column 19, one side inner wall fixed mounting that pickproof lock 20 was kept away from to cavity 16 has free bearing 22, it installs movable rod 23 to rotate on the free bearing 22.

Example two

In the invention, the centers of the hexagonal fixing groove 3, the circular groove 4 and the through groove 5 are positioned on the same vertical line.

In the invention, the inner walls of the two sides of the mounting groove 8 are both provided with the limiting grooves 15, the two limiting blocks 14 are respectively arranged in the two limiting grooves 15 in a sliding manner, and the limiting blocks 14 can only vertically move along the limiting grooves 15.

In the invention, a clamping block 24 is fixedly installed on one side of the movable rod 23 close to the positioning groove 17, one end of the clamping block 24 penetrates through the groove 18 and extends into the positioning groove 17 and is matched with the clamping groove 21, and the movable rod 23 rotates to drive the clamping block 24 to rotate, so that the clamping block 24 can be inserted into the clamping groove 21.

In the invention, a sliding groove 25 is formed in one side of the movable rod 23, which is far away from the clamping block 24, a sliding block 26 is arranged in the sliding groove 25 in a sliding manner, a connecting block 27 is fixedly arranged at the top of the sliding block 26, and the sliding block 26 can slide along the sliding groove 25 and drive the connecting block 27 to move.

In the invention, the inner walls of the two cavities 16 at the sides far away from each other are fixedly provided with the telescopic rods 28, the ends of the two telescopic rods 28 close to each other are fixedly provided with the baffle plates 29, and the telescopic rods 28 are arranged to ensure that the baffle plates 29 can only vertically move.

In the invention, the central position of the bottom of the baffle 29 is fixedly provided with the fixed block 30, the fixed block 30 is rotatably arranged on the connecting block 27, and the connecting block 27 moves to drive the baffle 29 to move.

In the invention, the telescopic rod 28 is movably sleeved with the second spring 31, two ends of the second spring 31 are respectively and fixedly installed on the inner wall of the baffle 29 far away from one side of the positioning groove 17 and one side of the cavity 16, and the baffle 29 can be extruded by the elastic restoring force of the second spring 31, so that the baffle 29 moves.

EXAMPLE III

In the invention, the telescopic rod 28 is movably sleeved with the second spring 31, two ends of the second spring 31 are respectively fixedly installed on one side of the baffle 29 far away from the positioning groove 17 and the inner wall of one side of the cavity 16, and the elastic restoring force of the second spring 31 can extrude the baffle 29, so that the baffle 29 moves.

In the invention, when the ball valve needs to be opened, the pull ring 13 is pulled upwards, the hexagonal rotary block 11 can be driven to move upwards due to the connection relationship among the pull ring 13, the connecting column 12 and the hexagonal rotary block 11, the first spring 9 fixedly connected with the hexagonal rotary block 11 is stretched, when the hexagonal rotary block 11 moves out of the hexagonal fixed groove 3, the limitation on the hexagonal rotary block 11 is removed, the hexagonal rotary block 11 can be freely rotated, the movable rod 10 can be driven to rotate due to the fixed connection relationship between the hexagonal rotary block 11 and the movable rod 10, the valve rod 7 can synchronously rotate along with the movable rod 10 due to the arrangement of the limit block 14 and the limit groove 15, so that the gas ball valve is opened, when the gas ball valve is not needed to be opened, the pull ring 13 is loosened, the movable rod 10 is pulled to move downwards due to the elastic restoring force of the first spring 9, and then the hexagonal rotary block 11 is driven to move downwards, and is inserted into the hexagonal fixing groove 3, thereby effectively preventing the operator from rotating the valve rod due to misoperation.

When the anti-theft lock is required to be installed, the positioning column 19 fixedly installed on one side of the anti-theft lock 20 is inserted into the positioning groove 17 and contacts with the clamping block 24 along with the movement of the positioning column 19, the clamping block 24 is further pressed, the movable rod 23 can be pressed due to the fixed connection relationship between the clamping block 24 and the movable rod 23, the movable rod 23 rotates around the hinged support 22, the baffle 29 can only vertically move due to the fixed connection relationship between the telescopic rod 28 and the baffle 29, the slide block 26 can slide along the slide groove 25 and simultaneously move upwards due to the connection relationship between the movable rod 23, the slide groove 25 and the slide block 26, the connecting block 27, the fixing block 30 and the baffle 29 can drive the baffle 29 to move upwards and compress the second spring 31, when the clamping block 24 moves out of the positioning groove 17, the positioning column 19 is not blocked, and when the positioning column 19 can be completely inserted into the positioning groove 17, at this time, the positions of the latch 24 and the slot 21 are opposite, and due to the elastic restoring force of the second spring 31, the pressing baffle 29 moves downward, and through a series of mechanical transmissions, the latch 24 is inserted into the slot 21, thereby completing the quick installation of the anti-theft lock 20. The anti-theft lock has the advantages of compact structure, reasonable design and convenient operation, can effectively prevent a worker from rotating the valve rod due to misoperation, can quickly install the anti-theft lock under the condition of not using tools, and improves the installation efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Gas ball valve, including valve body (1), its characterized in that, the installation cavity (2) has been seted up on valve body (1), hexagon fixed slot (3) has been seted up at the top of valve body (1), circular slot (4) have been seted up to the top inner wall of installation cavity (2), logical groove (5) have been seted up to the central point of hexagon fixed slot (3) bottom inner wall, and lead to groove (5) and circular slot (4) and be linked together, circular slot (4) internal fixation installs bearing (6), bearing (6) internal fixation installs valve rod (7), and the bottom of valve rod (7) extends to in installation cavity (2), the top central point of valve rod (7) puts and has seted up mounting groove (8), the central point of mounting groove (8) bottom inner wall puts fixed mounting first spring (9), the top fixed mounting of first spring (9) has carriage release lever (10), the top of carriage release lever (10) runs through mounting groove (8) and logical groove (5), extend to the hexagon fixed slot (3), and fixed mounting has the hexagon rotatory piece (11), the hexagon rotatory piece (11) and the hexagon fixed slot (3) looks adaptation, the top central point of hexagon rotatory piece (11) puts fixed mounting has spliced pole (12), rotate and install pull ring (13) on spliced pole (12), the both sides of carriage release lever (10) are all fixed mounting has stopper (14) that is located mounting groove (8), seted up two cavitys (16) on valve body (1), one side of valve body (1) is seted up constant head tank (17), and constant head tank (17) are located between two cavitys (16), the top inner wall and the bottom inner wall of constant head tank (17) are all seted up fluted (18), and two recesses (18) are linked together with two cavitys (16) respectively, movable mounting has reference column (19) in constant head tank (17), the one end of reference column (19) extends to outside valve body (1), and fixed mounting has pickproof lock (20), and draw-in groove (21) that are located constant head tank (17) are all seted up to the top and the bottom of reference column (19), and one side inner wall fixed mounting that cavity (16) kept away from pickproof lock (20) has free bearing (22), rotates on free bearing (22) and installs movable rod (23).

2. Gas ball valve according to claim 1, characterized in that the centers of the hexagonal fixation groove (3), circular groove (4) and through groove (5) are located on the same vertical line.

3. The gas ball valve according to claim 1, wherein the inner walls of the two sides of the mounting groove (8) are provided with limiting grooves (15), and the two limiting blocks (14) are respectively slidably mounted in the two limiting grooves (15).

4. The gas ball valve according to claim 1, wherein a clamping block (24) is fixedly installed on one side of the movable rod (23) close to the positioning groove (17), and one end of the clamping block (24) penetrates through the groove (18) and extends into the positioning groove (17) and is matched with the clamping groove (21).

5. The gas ball valve according to claim 1, wherein a sliding groove (25) is formed in one side of the movable rod (23) far away from the clamping block (24), a sliding block (26) is slidably mounted in the sliding groove (25), and a connecting block (27) is fixedly mounted at the top of the sliding block (26).

6. The gas ball valve according to claim 1, characterized in that the inner walls of the two cavities (16) at the sides far away from each other are fixedly provided with telescopic rods (28), and the ends of the two telescopic rods (28) near each other are fixedly provided with baffles (29).

7. The gas ball valve according to claim 6, characterized in that the bottom center of the baffle (29) is fixedly provided with a fixed block (30), and the fixed block (30) is rotatably arranged on the connecting block (27).

8. The gas ball valve according to claim 6, wherein the telescopic rod (28) is movably sleeved with a second spring (31), and two ends of the second spring (31) are respectively and fixedly installed on one side of the baffle (29) far away from the positioning groove (17) and the inner wall of one side of the cavity (16).