CN216951898U

CN216951898U - Corrosion-resistant butterfly valve

Info

Publication number: CN216951898U
Application number: CN202122207114.1U
Authority: CN
Inventors: 孙东; 郭继华
Original assignee: Shanghai Nuochen Energy Equipment Technology Co ltd
Current assignee: Shanghai Nuochen Energy Equipment Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-07-12
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a corrosion-resistant butterfly valve, which belongs to the technical field of butterfly valves and comprises mounting rings fixedly connected to the front side and the back side of a butterfly valve body, wherein first controllers are fixedly connected to the outer surfaces of the two mounting rings, limiting grooves are formed in the mounting rings, four limiting blocks are clamped in the limiting grooves, and springs are fixedly connected to the outer surfaces of the four limiting blocks. This corrosion-resistant butterfly valve, through setting up the catch bar, go into the collar with external installation pipe card earlier, rotate the knob afterwards, make screw-nut promote the catch bar rebound inwards through the cooperation with the fixed block, promote the collar in the catch bar removal, inwards extrude four stoppers under the effect of thrust force, carry out the joint through the slotted hole that the rubber pad was surperficial to external installation pipe, this mode has replaced original directly to place the collar left and right sides with the rubber pad and has installed, thereby avoided the collar to take place to drop or the skew condition emergence in the installation.

Description

Corrosion-resistant butterfly valve

Technical Field

The utility model belongs to the technical field of butterfly valves, and particularly relates to a corrosion-resistant butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member which is a disc and rotates around a valve shaft to open and close. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. However, most of the installation modes of the existing butterfly valves adopt more screw rods and nuts to be fixed, rubber pads are placed on the left side and the right side of the installation ring, the external installation pipe is assembled, if the situation of deviation occurs in the installation, the water seepage can occur after the installation, so that the screw rods are required to be disassembled and installed again, the complex and labor-consuming operation fixing mode is complex, and the butterfly valves are not beneficial to people to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the utility model provides a corrosion-resistant butterfly valve, which solves the problems that most of the existing butterfly valves are fixed by adopting more lead screws and nuts, the left side and the right side of an installation ring are provided with rubber pads to assemble an external installation pipe, and if the external installation pipe deviates during installation, water seepage may occur after installation, so that a plurality of lead screws need to be disassembled and installed again, the operation is complex, the labor is wasted, the fixing mode is complicated, and the use is not facilitated for people.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a corrosion-resistant butterfly valve comprises a butterfly valve body, wherein the front side and the back side of the butterfly valve body are fixedly connected with mounting rings, the outer surfaces of the two mounting rings are fixedly connected with a first controller, a limiting groove is formed in the mounting rings, four limiting blocks are clamped in the limiting groove, the outer surfaces of the four limiting blocks are fixedly connected with springs, the top ends of the springs are fixedly connected with the inner walls of the mounting rings, push rings are arranged in the first controller, the front side of each push ring is fixedly connected with a push rod, the upper surface of each push rod is fixedly connected with a lead screw nut, the upper surface of the inner wall of the first controller is fixedly connected with a fixed block, a lead screw is sleeved in the lead screw nut, one end of the back side of the lead screw is hinged with the front side of the fixed block through a bearing, one end of the front side of the lead screw is hinged with the back side of the inner wall of the first controller through a bearing, a first bevel gear is arranged in the first controller.

As a further scheme of the utility model: one end of the front face of the screw rod is fixedly connected with the back face of the first bevel gear, and a second bevel gear is arranged in the first controller.

As a further scheme of the utility model: the outer surface of the first bevel gear is meshed with the outer surface of the second bevel gear, and a telescopic rod is arranged in the first controller.

As a further scheme of the utility model: the bottom of telescopic link and the upper surface fixed connection of second bevel gear, the surface of butterfly valve body is provided with two changes, the lower fixed surface of change is connected with the fixture block, the draw-in groove has been seted up to the upper surface of first controller, the shape of fixture block and the shape looks adaptation of draw-in groove.

As a further scheme of the utility model: the top of telescopic link passes first controller and the lower fixed surface of knob is connected, the inner wall fixedly connected with rubber pads of stopper.

As a further scheme of the utility model: the upper surface of butterfly valve body is provided with the second controller, the lower surface of second controller is linked together with the surface of butterfly valve body.

As a further scheme of the utility model: the outer surface of the butterfly valve body is provided with a rotating wheel, and the right side face of the rotating wheel is communicated with the left side face of the controller.

(III) advantageous effects

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

1. the corrosion-resistant butterfly valve is characterized in that a push rod, a screw rod nut, a screw rod and a first bevel gear are arranged, when the butterfly valve body needs to be installed, the external installation pipe is clamped into the installation ring, then the rotating knob is rotated, the first conical gear is driven to rotate through the second conical gear, the screw rod is driven to rotate in the rotation of the first conical gear, the lead screw nut pushes the push rod to move inwards through matching with the fixed block, the push rod pushes the push ring in the movement process, the four limit blocks are extruded inwards under the action of the pushing force, the slotted holes on the surface of the external installation pipe are clamped through the rubber pads, this mode is through rotating first conical gear, and the ejector collar is pushed under the effect of lead screw and catch bar for the stopper carries out the joint with external installation slotted hole, has replaced originally directly to place the rubber pad the collar left and right sides and has installed, thereby has avoided the collar to take place to drop or the skew condition emergence in the installation.

2. This corrosion-resistant butterfly valve through setting up the catch bar, drives ejector ring and catch bar inward movement through screw-nut in its lead screw rotation, and its catch bar has the effect of promotion, and itself is comparatively stable to effectual the condition of having avoided the ejector ring to take place to rock or skew in the removal.

3. This corrosion-resistant butterfly valve through setting up the stopper, and the throw-out collar passes through the catch bar and inwards promotes the stopper to make four stoppers inwards carry out the joint through the spacing groove to external installation slotted hole, the shape of its stopper and the shape looks adaptation of external installation slotted hole, thereby effectually avoided taking place to rock after the installation.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of a mounting ring of the present invention in elevation;

FIG. 3 is a schematic diagram of the structure of the present invention illustrating the explosion of the push ring;

FIG. 4 is an enlarged schematic view of the structure at the point A;

in the figure: the butterfly valve comprises a butterfly valve body 1, a mounting ring 2, a first controller 3, a limiting groove 4, a limiting block 5, a spring 6, a push ring 7, a push rod 8, a screw rod nut 9, a fixing block 10, a screw rod 11, a first bevel gear 12, a second bevel gear 13, a telescopic rod 14, a rotary knob 15, a rubber pad 16, a controller 17, a rotary wheel 18, a clamping block 19 and a clamping groove 20.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: a corrosion-resistant butterfly valve comprises a butterfly valve body 1, wherein mounting rings 2 are fixedly connected to the front side and the back side of the butterfly valve body 1, a first controller 3 is fixedly connected to the outer surfaces of the two mounting rings 2, a limiting groove 4 is formed in each mounting ring 2, four limiting blocks 5 are clamped in the limiting grooves 4, springs 6 are fixedly connected to the outer surfaces of the four limiting blocks 5, the springs 6 are arranged to have stronger elasticity, so that the limiting blocks 5 are effectively prevented from being clamped during disassembly and the situation that disassembly cannot be performed is avoided, the top ends of the springs 6 are fixedly connected with the inner wall of the mounting rings 2, a push ring 7 is arranged in each first controller 3, a push rod 8 is fixedly connected to the front side of the push ring 7, and the push rod 8 has a pushing effect and is stable by virtue of the arrangement of the push rod 8, so that the situation that the push ring 7 shakes or deviates during movement is effectively avoided, the upper surface of catch bar 8 is fixedly connected with screw-nut 9, the upper surface of 3 inner walls of first controller is fixedly connected with fixed block 10, through setting up fixed block 10, fixed block 10 has spacing effect, thereby the effectual lead screw 11 that has prevented from taking place skew in rotating, lead screw 11 has been cup jointed in screw-nut 9, the one end at the lead screw 11 back is passed through the bearing and is articulated with the front of fixed block 10, the positive one end of lead screw 11 is passed through the bearing and is articulated with the back of 3 inner walls of first controller, be provided with first conical gear 12 in the first controller 3.

Specifically, as shown in fig. 1, the top end of the telescopic rod 14 passes through the first controller 3 and is fixedly connected with the lower surface of the rotating knob 15, the inner wall of the limiting block 5 is fixedly connected with a rubber pad 16, by arranging the rubber pad 16, the rubber pad 16 is made of rubber, the four limit blocks 5 are jointed, the rubber pad 16 is in a round shape, the fitness is better, so that the situation of water seepage in use is effectively avoided, the upper surface of the butterfly valve body 1 is provided with the second controller 17, the lower surface of the second controller 17 is communicated with the outer surface of the butterfly valve body 1, the outer surface of the butterfly valve body 1 is provided with the rotating wheel 18, through the arrangement of the rotating wheel 18, the surface of the rotating wheel 18 is made of frosted material, thereby effectively preventing the user from skidding during rotation, and the circular structure is convenient for rotating in use, and the right side surface of the rotating wheel 18 is communicated with the left side surface of the controller 17.

Specifically, as shown in fig. 4, one end of the front surface of the lead screw 11 is fixedly connected with the back surface of the first bevel gear 12, a second bevel gear 13 is arranged in the first controller 3, the outer surface of the first bevel gear 12 is meshed with the outer surface of the second bevel gear 13, an expansion link 14 is arranged in the first controller 3, the bottom end of the expansion link 14 is fixedly connected with the upper surface of the second bevel gear 13, two knobs 15 are arranged on the outer surface of the butterfly valve body 1, clamping blocks 19 are fixedly connected to the lower surfaces of the knobs 15, the clamping blocks 19 have a limiting effect by arranging the clamping blocks 19, so that the expansion link 14 is effectively prevented from rotating, clamping grooves 20 are formed in the upper surface of the first controller 3, and the shapes of the clamping blocks 19 are matched with the shapes of the clamping grooves 20.

The working principle of the utility model is as follows:

when the butterfly valve body 1 needs to be installed, the external installation pipe is clamped into the installation ring 2, then the rotating knob 15 above the first controller 3 is rotated, the rotating knob 15 drives the telescopic rod 14 to rotate, the first bevel gear 12 is driven to rotate through the second bevel gear 13, the screw rod 11 is driven in the rotation of the first bevel gear 12, the lead screw nut 9 pushes the pushing rod 8 to move inwards through matching with the fixed block 10, the pushing rod 8 pushes the pushing ring 7 in the movement process, the four limit blocks 5 are extruded inwards under the action of the pushing force, the slotted hole on the surface of the externally-arranged installation tube is clamped through the rubber pad 16, then the rotating knob 15 is pressed downwards, the clamping block 19 is clamped with the clamping groove 20, the rotating wheel 18 on the left side surface of the rotating controller 17 is used for controlling after the installation is finished, the rotating knob 15 is rotated reversely during the disassembly, and the rubber pad 16 is enabled to be collected into the limiting groove 4 under the elastic force action of the spring 6.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a corrosion-resistant butterfly valve, includes butterfly valve body (1), its characterized in that: the butterfly valve comprises a butterfly valve body (1), wherein mounting rings (2) are fixedly connected to the front side and the back side of the butterfly valve body (1), a first controller (3) is fixedly connected to the outer surfaces of the two mounting rings (2), a limiting groove (4) is formed in each mounting ring (2), four limiting blocks (5) are connected to the limiting groove (4) in a clamping mode, springs (6) are fixedly connected to the outer surfaces of the four limiting blocks (5), the top end of each spring (6) is fixedly connected with the inner wall of each mounting ring (2), a push ring (7) is arranged in each first controller (3), a push rod (8) is fixedly connected to the front side of each push ring (7), a lead screw nut (9) is fixedly connected to the upper surface of each push rod (8), a fixing block (10) is fixedly connected to the upper surface of the inner wall of each first controller (3), a lead screw (11) is sleeved in each lead screw nut (9), one end of the back of the screw rod (11) is hinged to the front of the fixing block (10) through a bearing, one end of the front of the screw rod (11) is hinged to the back of the inner wall of the first controller (3) through a bearing, and a first bevel gear (12) is arranged in the first controller (3).

2. A corrosion resistant butterfly valve as claimed in claim 1, wherein: one end of the front surface of the screw rod (11) is fixedly connected with the back surface of the first bevel gear (12), and a second bevel gear (13) is arranged in the first controller (3).

3. A corrosion resistant butterfly valve as claimed in claim 2, wherein: the outer surface of the first bevel gear (12) is meshed with the outer surface of the second bevel gear (13), and a telescopic rod (14) is arranged in the first controller (3).

4. A corrosion resistant butterfly valve according to claim 3, wherein: the bottom of telescopic link (14) is connected with the last fixed surface of second bevel gear (13), the surface of butterfly valve body (1) is provided with two knob (15), the lower fixed surface of knob (15) is connected with fixture block (19), draw-in groove (20) have been seted up to the upper surface of first controller (3), the shape of fixture block (19) and the shape looks adaptation of draw-in groove (20).

5. A corrosion resistant butterfly valve according to claim 4, wherein: the top end of the telescopic rod (14) penetrates through the first controller (3) and is fixedly connected with the lower surface of the rotating knob (15), and the inner wall of the limiting block (5) is fixedly connected with a rubber pad (16).

6. A corrosion resistant butterfly valve as claimed in claim 1, wherein: the upper surface of the butterfly valve body (1) is provided with a second controller (17), and the lower surface of the second controller (17) is communicated with the outer surface of the butterfly valve body (1).

7. A corrosion resistant butterfly valve according to claim 6, wherein: the outer surface of the butterfly valve body (1) is provided with a rotating wheel (18), and the right side face of the rotating wheel (18) is communicated with the left side face of the controller (17).