CN218326254U

CN218326254U - Novel butterfly valve with pre-decompression function

Info

Publication number: CN218326254U
Application number: CN202222339171.XU
Authority: CN
Inventors: 尤辉宏; 阮淋波; 韩健莉
Original assignee: Nantong Guodian Valve Technology Co ltd
Current assignee: Nantong Guodian Valve Technology Co ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2023-01-17
Anticipated expiration: 2032-09-03

Abstract

The utility model discloses a novel butterfly valve with pressure release function in advance, the water control valve comprises a valve body, the top fixedly connected with seal of valve body, the inside of seal is rotated and is connected with the valve rod, the valve rod is located the inside outer wall fixedly connected with valve plate of valve body, the fixed frame of top fixedly connected with of seal, the both sides of fixed frame are rotated and are connected with first bull stick, and the outer wall of first bull stick and the both sides sliding connection of fixed frame, the one end fixedly connected with knob of first bull stick, the inside of fixed frame is provided with pushing mechanism, one side that the knob was kept away from to the seal is provided with inflating mechanism, the utility model relates to a butterfly valve technical field. This novel butterfly valve with pressure release function in advance has solved the butterfly valve that exists and has all had the function of pressure release in advance, but at the in-process that uses, inside valve plate drives the sealing washer and rotates, can cause the sealing washer friction to damage, and then causes the problem that butterfly valve life reduced.

Description

Novel butterfly valve with pressure release function in advance

Technical Field

The utility model relates to a butterfly valve technical field specifically is a novel butterfly valve with pressure release function in advance.

Background

Along with the development of industry etc., the usage of valve is promoted, has a butterfly valve also called the flap valve, is a simple structure's governing valve, and the butterfly valve that can be used to the on-off control of low pressure pipeline medium means that the closing member is the disc, rotates around the valve shaft and reaches the valve of opening and closing, but the butterfly valve that exists now all has the function of pressure release in advance, but at the in-process that uses, inside valve plate drives the sealing washer and rotates, can cause the sealing washer friction damage, and then causes the butterfly valve life to reduce.

For example, publication No. CN212564581U, a novel butterfly valve with pressure release function in advance, including the water pipe, the one end of water pipe is provided with first mount pad, the one end that first mount pad was kept away from to the water pipe is provided with the second mount pad, one side fixedly connected with battery that terminal surface intermediate position is close to the second mount pad under the water pipe, one side that the battery is close to first mount pad is provided with the motor, the first gear of output fixedly connected with of motor, the water pipe is close to the inner wall lower extreme intermediate position fixedly connected with of second mount pad one side, the fixed scarf joint of up end intermediate position that the water pipe is close to first mount pad one side has first bearing. The utility model discloses a novel butterfly valve with pressure release function in advance, the device can solve the not enough of current device on convenience and leakproofness, has increased the function of pressure release in advance, and the life of the pipeline of increase simplifies the operating procedure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel butterfly valve with pressure release function in advance has solved the existing butterfly valve and all has the function of pressure release in advance, but at the in-process that uses, inside valve plate drives the sealing washer and rotates, can cause the sealing washer friction to damage, and then causes the problem that butterfly valve life reduced.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel butterfly valve with a pre-pressure relief function comprises a valve body, wherein a sealing body is fixedly connected to the top of the valve body, a valve rod is rotatably connected to the inside of the sealing body, the valve rod is located on the inner outer wall of the valve body and is fixedly connected with a valve plate, a fixing frame is fixedly connected to the top of the sealing body, first rotating rods are rotatably connected to two sides of the fixing frame, the outer wall of each first rotating rod is slidably connected with two sides of the fixing frame, a knob is fixedly connected to one end of each first rotating rod, a pushing mechanism is arranged inside the fixing frame, and an inflating mechanism is arranged on one side, away from the knob, of the sealing body;

the inflating mechanism comprises a fixed box, the outer wall of the fixed box is fixedly connected with one side, away from the knob, of the sealing body, a threaded pipe is rotatably connected to the top of the fixed box, a threaded rod is in threaded connection with the inner wall of the threaded pipe, one end, located inside the fixed box, of the threaded rod is fixedly connected with a piston, the outer wall of the piston is in sliding connection with the inner wall of the fixed box, a second limiting frame is fixedly connected to the bottom of the inner wall of the fixed box, a first limiting frame is fixedly connected to the top of the inner wall of the fixed box, a connecting pipe is sleeved at the bottom of the fixed box, an air bag ring is sleeved at the other end of the connecting pipe, the outer wall of the air bag ring is fixedly connected with the inner wall of the valve body, a first bevel gear is sleeved on the outer wall, located outside the top of the fixed box, a second bevel gear is fixedly connected to one end, close to the threaded pipe, of the first rotating rod, and the outer wall of the second bevel gear is meshed with the outer wall of the first bevel gear;

the pushing mechanism comprises a third bevel gear, a spring and a fourth bevel gear, the outer wall of the third bevel gear and the first rotating rod are located on the inner wall of the fixed frame and fixedly connected with the outer wall of the fixed frame, the outer wall of the first rotating rod is arranged on the spring sleeve, the two ends of the spring and the fixed frame are close to the inner wall of one side of the fixed box, one side of the third bevel gear is close to the inner wall of one side of the fixed box, the other side of the third bevel gear is close to the fixed box, the bottom of the fourth bevel gear is fixedly connected with the top of the valve rod, and the outer wall of the third bevel gear is meshed with the outer wall of the fourth bevel gear.

Preferably, the inner wall and the outer wall of the cross section of the fixed box are rectangular.

Preferably, the inner wall of valve body is provided with the spacing collar, the spacing collar and the gasbag circle outer wall fixed connection that the valve body inner wall set up, and the outer wall of gasbag circle contacts with the outer lane of valve plate.

Preferably, the through-hole has all been seted up to the both sides inner wall of fixed frame, and rotates, sliding connection with the outer wall of first bull stick, the one end fixed connection of the outside first bull stick in one side of fixed case is kept away from to knob and fixed frame.

Preferably, the inner wall of the top of the fixed box is provided with a plurality of vent holes which are arranged in a rectangular equidistant array.

Preferably, the threaded rod has a T-shaped vertical cross section, and the top of the threaded rod is positioned outside the top of the threaded pipe.

Advantageous effects

The utility model provides a novel butterfly valve with pressure release function in advance. Compared with the prior art, the method has the following beneficial effects:

1. this novel butterfly valve with pressure release function in advance through rotating the knob, consequently can realize third bevel gear's outer wall and fourth bevel gear's outer wall meshing under the tension effect of spring, and then can realize that the valve rod drives the valve plate and rotate, through pressing down the knob, and then can realize that first bull stick slides and rotates in the both sides of fixed frame, and then the mechanism is aerifyd in the operation of being convenient for.

2. This novel butterfly valve with pressure release function in advance, after promoting the knob, and then can realize that the outer wall of second bevel gear meshes with the outer wall of screwed pipe mutually, and then can realize that the piston reciprocates, and then when needing to rotate the valve plate, through with piston upward movement, and then can realize that the gasbag circle can keep away from at first with the outer wall of valve plate mutually, and then be convenient for rotate the valve rod, the outer wall of valve rod and the outer wall friction of gasbag circle have been reduced, also be convenient for release valve body internal pressure earlier simultaneously and discharge from between the outer wall of valve plate and the inner wall of valve body, pressure too big problem when avoiding the valve rod pivoted, after the gas in the gasbag circle enters into the fixed box, consequently, the knob is not pressing, and then can be convenient for rotate the valve rod under spring tension, realize the valve plate rotation, when the valve plate need to close on the contrary, close through driving the valve rod, make the piston downstream extrude the inside of fixed box and enter into the inside of gasbag circle inside pressing down, make the gasbag circle contact the outer wall of valve plate, and then reduced the friction of gasbag circle, the inside has set up the problem that causes the sealing washer to use the damage for a long time of having avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a position a in the structure diagram 1 of the present invention.

Fig. 3 is a schematic view of the structure limiting frame of the present invention.

In the figure: 1. a valve body; 2. a valve stem; 3. a valve plate; 4. a seal body; 5. a knob; 6. a first rotating lever; 7. an inflation mechanism; 71. a fixed box; 72. a threaded rod; 73. a first limit frame; 74. a threaded pipe; 741. a first bevel gear; 742. a second bevel gear; 75. a piston; 76. a second limit frame; 77. a connecting pipe; 78. an air bag ring; 8. a fixing frame; 9. a pushing mechanism; 91. a third bevel gear; 92. a spring; 93. and a fourth bevel gear.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, the present invention provides a technical solution: a novel butterfly valve with a pre-decompression function comprises a valve body 1, wherein the top of the valve body 1 is fixedly connected with a sealing body 4, the interior of the sealing body 4 is rotatably connected with a valve rod 2, the valve rod 2 is positioned on the outer wall of the interior of the valve body 1 and is fixedly connected with a valve plate 3, the top of the sealing body 4 is fixedly connected with a fixing frame 8, two sides of the fixing frame 8 are rotatably connected with first rotating rods 6, the outer wall of each first rotating rod 6 is slidably connected with two sides of the fixing frame 8, one end of each first rotating rod 6 is fixedly connected with a knob 5, a pushing mechanism 9 is arranged inside the fixing frame 8, and one side, away from the knob 5, of the sealing body 4 is provided with an inflating mechanism 7;

the inflation mechanism 7 comprises a fixed box 71, the outer wall of the fixed box 71 is fixedly connected with one side, away from the knob 5, of the sealing body 4, a threaded pipe 74 is rotatably connected to the top of the fixed box 71, a threaded rod 72 is in threaded connection with the inner wall of the threaded pipe 74, one end, located inside the fixed box 71, of the threaded rod 72 is fixedly connected with a piston 75, the outer wall of the piston 75 is in sliding connection with the inner wall of the fixed box 71, a second limit frame 76 is fixedly connected to the bottom of the inner wall of the fixed box 71, a first limit frame 73 is fixedly connected to the top of the inner wall of the fixed box 71, a connecting pipe 77 is sleeved at the bottom of the fixed box 71, an airbag ring 78 is sleeved at the other end of the connecting pipe 77, the outer wall of the airbag ring 78 is fixedly connected with the inner wall of the valve body 1, a first bevel gear 741 is sleeved on the outer wall, located at the top of the fixed box 71, of the threaded pipe 74, a first bevel gear 742 is fixedly connected to one end, close to the threaded pipe 74, and the outer wall of the second bevel gear 742 is meshed with the outer wall of the first bevel gear 741;

pushing mechanism 9 includes third bevel gear 91, spring 92, fourth bevel gear 93, the outer wall of third bevel gear 91 is located the inside outer wall fixed connection of fixed frame 8 with first bull stick 6, the outer wall of first bull stick 6 is located to spring 92 cover, one side inner wall that spring 92's both ends and fixed frame 8 are close to fixed case 71, one side fixed connection that third bevel gear 91 is close to each other, the bottom of fourth bevel gear 93 and the top fixed connection of valve rod 2, the outer wall of third bevel gear 91 meshes with fourth bevel gear 93's outer wall mutually.

Fixed case 71's cross section inner wall all is the rectangle with the outer wall, the inner wall of valve body 1 is provided with the spacing collar, the spacing collar and the gasbag ring 78 outer wall fixed connection that the 1 inner wall of valve body set up, and the outer wall of gasbag ring 78 contacts with the outer lane of valve plate 3, the through-hole has all been seted up to the both sides inner wall of fixed frame 8, and rotate with the outer wall of first pivot pole 6, sliding connection, the one end fixed connection of the outside first pivot pole 6 in one side of fixed case 71 is kept away from to knob 5 and fixed frame 8, the air vent has been seted up to the top inner wall of fixed case 71, the air vent that fixed case 71 top inner wall was seted up is a plurality ofly, and be rectangle equidistance array arrangement, threaded rod 72's vertical cross-section is the T shape, and the top is located the top outside of screwed pipe 74.

When the air bag valve is used, firstly, the knob 5 is rotated, the first rotating rod 6 can be driven to rotate through the knob 5, because the outer wall of the third bevel gear 91 is meshed with the outer wall of the fourth bevel gear 93, and further, the third bevel gear 91 can be driven to rotate to drive the fourth bevel gear 93 to rotate, so that the fourth bevel gear 93 can drive the valve rod 2 to rotate, further, the valve plate 3 can be driven to rotate, and further, the valve plate 3 can be opened or closed, the third bevel gear 91 can be driven to enable the outer wall of the third bevel gear 91 to be meshed with the outer wall of the fourth bevel gear 93 through the tension of the spring 92, the knob 5 is driven to enable the gear 742 to be meshed with the outer wall of the first bevel gear 741 through the first rotating rod 6, so that the first bevel gear 741 can rotate, the knob 5 rotates clockwise or anticlockwise, the inner wall of the threaded pipe 74 is in threaded connection with the outer wall of the threaded rod 72 through the inner wall of the inner pipe 74, so that the piston 75 can be driven to move up and down through the connecting pipe 77, so that the valve rod 72 can drive the piston 75 to move up and down through the inner part of the connecting pipe 77, so that the air bag 78 can be sucked into the air bag 78, and further, the air bag can enter the air box from the inner part of the air box through the connecting pipe 71, and further, the air bag 71, the air bag 75, the air bag can be conveniently, the air bag 75, and then, the air bag can enter the air box, the air bag box, the air box 75 can enter the air box from the air box after the air box, the air box 71, through not pressing knob 5, consequently can realize under the tension effect of valve rod 2 that the outer wall of third bevel gear 91 meshes with the outer wall of fourth bevel gear 93 mutually, consequently can realize that valve rod 2 drives valve plate 3 and rotates.

And those not described in detail in this specification are well within the skill of the art.

Claims

1. The utility model provides a novel butterfly valve with pressure release function in advance, includes valve body (1), its characterized in that: the sealing structure comprises a valve body (1), a sealing body (4) is fixedly connected to the top of the valve body (1), a valve rod (2) is rotatably connected to the inside of the sealing body (4), the valve rod (2) is located on the outer wall of the inside of the valve body (1) and is fixedly connected with a valve plate (3), a fixing frame (8) is fixedly connected to the top of the sealing body (4), first rotating rods (6) are rotatably connected to two sides of the fixing frame (8), the outer wall of each first rotating rod (6) is slidably connected with two sides of the fixing frame (8), a knob (5) is fixedly connected to one end of each first rotating rod (6), a pushing mechanism (9) is arranged inside the fixing frame (8), and an inflating mechanism (7) is arranged on one side, away from the knob (5), of the sealing body (4);

the inflation mechanism (7) comprises a fixed box (71), the outer wall of the fixed box (71) is fixedly connected with one side, away from a knob (5), of a sealing body (4), a threaded pipe (74) is connected to the top of the fixed box (71) in a rotating manner, a threaded rod (72) is connected to the inner wall of the threaded pipe (74) in a threaded manner, the threaded rod (72) is located at one end inside the fixed box (71) and fixedly connected with a piston (75), the outer wall of the piston (75) is connected with the inner wall of the fixed box (71) in a sliding manner, a second limiting frame (76) is fixedly connected to the bottom of the inner wall of the fixed box (71), a first limiting frame (73) is fixedly connected to the top of the inner wall of the fixed box (71), a connecting pipe (77) is sleeved at the bottom of the fixed box (71), an air bag ring (78) is sleeved at the other end of the connecting pipe (77), the outer wall of the air bag (78) is fixedly connected with the inner wall of the valve body (1), a first bevel gear (741) is sleeved on the outer wall of the threaded pipe (74) located outside the top of the fixed box (71), a second bevel gear (742) is connected with a second bevel gear (742), and a second bevel gear (741) meshed with the first bevel gear (742);

pushing mechanism (9) include third bevel gear (91), spring (92), fourth bevel gear (93), the outer wall and first bull stick (6) of third bevel gear (91) are located fixed frame (8) inside outer wall fixed connection, the outer wall of first bull stick (6) is located in spring (92) cover, one side fixed connection that the both ends and fixed frame (8) of spring (92) are close to one side inner wall of fixed case (71), third bevel gear (91) are close to each other, the bottom of fourth bevel gear (93) and the top fixed connection of valve rod (2), the outer wall of third bevel gear (91) meshes with the outer wall of fourth bevel gear (93) mutually.

2. The novel butterfly valve with pre-pressure relief function according to claim 1, characterized in that: the inner wall and the outer wall of the cross section of the fixed box (71) are rectangular.

3. The novel butterfly valve with pre-pressure relief function according to claim 2, characterized in that: the inner wall of valve body (1) is provided with the spacing collar, the spacing collar and gasbag circle (78) outer wall fixed connection that valve body (1) inner wall set up, and the outer wall of gasbag circle (78) contacts with the outer lane of valve plate (3).

4. The novel butterfly valve with pre-pressure relief function according to claim 3, characterized in that: through-holes have all been seted up to the both sides inner wall of fixed frame (8), and rotate with the outer wall of first bull stick (6), sliding connection, the one end fixed connection of the outside first bull stick (6) in one side of fixed case (71) is kept away from with fixed frame (8) in knob (5).

5. The novel butterfly valve with pre-pressure relief function according to claim 4, characterized in that: the top inner wall of the fixed box (71) is provided with a plurality of vent holes which are arranged in a rectangular equidistant array manner on the top inner wall of the fixed box (71).

6. The novel butterfly valve with pre-pressure relief function according to claim 5, characterized in that: the vertical section of the threaded rod (72) is T-shaped, and the top of the threaded rod is positioned outside the top of the threaded pipe (74).