CN220470654U

CN220470654U - Butterfly valve with high sealing performance and easy disassembly and assembly

Info

Publication number: CN220470654U
Application number: CN202322099749.3U
Authority: CN
Inventors: 朱立喜; 孙家荣; 邵正喜
Original assignee: Yangzhou Huatong Electric Valve Manufacturing Co ltd
Current assignee: Yangzhou Huatong Electric Valve Manufacturing Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-02-09
Anticipated expiration: 2033-08-07

Abstract

The utility model relates to the field of butterfly valves, in particular to a high-sealing and easy-to-assemble butterfly valve, which comprises a valve body, wherein the inner surface of the valve body is provided with a mounting groove, a sealing ring is movably embedded in the mounting groove, a valve plate is movably arranged on the inner side of the sealing ring, a valve rod is movably arranged in the valve plate, a square rod is fixedly arranged on the upper end surface of the valve rod, an adjusting assembly is fixedly arranged on the outer side surface of the valve body, the adjusting assembly comprises a waterproof cylinder, a threaded top cover, a rotating rod, a sealing bearing, a worm wheel, a worm, a fixing frame and a rotating handle, and fixing rings are fixedly arranged at two ends of the outer side surface of the valve body. According to the utility model, the valve rod and the valve plate can be quickly disassembled, the screwing part at the outer side of the valve rod and the valve body can be quickly disassembled, when the butterfly valve is damaged, the single component of the butterfly valve can be conveniently replaced and maintained, the butterfly valve is convenient to maintain, and the sealing effect between the valve plate and the sealing ring is improved by changing the structure of the sealing ring.

Description

Butterfly valve with high sealing performance and easy disassembly and assembly

Technical Field

The utility model relates to the field of butterfly valves, in particular to a butterfly valve which is high in sealing performance and easy to disassemble and assemble.

Background

The butterfly valve is a simple-structure regulating valve, also called a flap valve, and the butterfly valve capable of being used for the on-off control of low-pressure pipeline media is characterized in that a closing member is a disc, the butterfly valve rotates around a valve shaft to achieve the purpose of opening and closing, the existing butterfly valve realizes the on-off control of the low-pressure pipeline media through the combined action of a valve body, a valve rod and a hand wheel, the hand wheel is rotated to enable the valve rod to rotate, the disc plate is rotated by the rotation of the valve rod, and therefore circulation of the media inside the valve body is realized.

The bulletin number is: CN215215015U, a disclosed butterfly valve with dustproof function, including the valve body, set up the valve stem on the valve body, form the valve pocket in the valve body, set up the valve stem passageway that supplies the valve stem to stretch into on the valve body, one end of the valve stem stretches into the valve pocket through the valve stem passageway, set up the annular on the outer wall of the valve stem passageway, set up the dust guard in the annular, set up the connector on the cell wall of the annular, the connector communicates annular and valve stem passageway, one end of the dust guard stretches into valve stem passageway and valve stem seal connection through the connector, the utility model is through inserting dust guard and extension into the valve stem passageway from the connector, leave the limit part outside, play the limiting fixation role, prevent to drop into the valve pocket inside ";

when the butterfly valve is damaged, the components of the butterfly valve are inconvenient to detach, the single components of the butterfly valve are inconvenient to replace and maintain, and the butterfly valve is the same as most butterfly valves, and the valve plate is propped against a sealing ring in a valve cavity to seal after rotating, so that the sealing effect is poor.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide a high-sealing and easy-to-detach butterfly valve, which is characterized in that the inner side surface of a sealing ring is inwards sunken to wrap a valve plate, so that the sealing area of the valve plate is increased, meanwhile, the valve plate extrudes the sealing ring, and the two ends of the inner side surface of the sealing ring elastically expand outwards, so that the sealing effect between the valve plate and the sealing ring is improved by changing the structure of the sealing ring, a threaded bottom cover props against a valve rod, the valve rod cannot move downwards, the valve rod is fixed, the threaded bottom cover is convenient to detach and install through a threaded groove, a bolt is screwed to enable the threaded bottom cover to pass through a threaded hole, the valve plate and the valve rod are fixed, otherwise, the valve rod and the valve plate can be detached quickly, the valve rod and a screwing part outside the valve body are detached quickly, when the butterfly valve is damaged, a single component of the butterfly valve is convenient to replace and maintain, and the butterfly valve is convenient to maintain.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a butterfly valve of high sealed and easy dismouting, includes the valve body, the mounting groove has been seted up to the valve body internal surface, the inside movable embedding of mounting groove installs the sealing ring, the inboard activity of sealing ring is equipped with the valve plate, the inside activity of valve plate is equipped with the valve rod, valve rod upper end fixed surface installs square pole, valve body outside fixed surface installs adjusting part, adjusting part includes waterproof section of thick bamboo, screw thread top cap, bull stick, sealing bearing, worm wheel, worm, mount and turning handle.

The method is further characterized in that: the fixed rings are fixedly installed at two ends of the outer side surface of the valve body, the outer side surface of the valve body is symmetrically provided with thread grooves, the thread grooves are communicated with the installation groove, one thread groove is internally screwed and connected with a thread bottom cover, and the surface of the upper end of the thread bottom cover is fixedly provided with a sealing ring.

The method is further characterized in that: through grooves are formed in the valve plate and the inner side surface of the sealing ring, and the valve rod penetrates through the through grooves and is in sliding connection with the through grooves.

The method is further characterized in that: threaded holes are formed in the surfaces of the valve rod and one side of the valve plate, bolts are movably embedded into the surface of one side of the valve plate, and the bolts are screwed with the threaded holes.

The method is further characterized in that: the waterproof cylinder is fixedly arranged on the outer side surface of the valve body, the sealing bearing is fixedly arranged in the other threaded groove, and the rotating rod penetrates through the sealing bearing and is fixedly connected with the sealing bearing.

The method is further characterized in that: square grooves are formed in the lower end surface of the rotating rod, the square rods are movably clamped and connected with the square grooves, the fixing frame is fixedly mounted on the inner surface of the waterproof cylinder, the worm is rotatably connected inside the fixing frame, and one end of the worm penetrates through the waterproof cylinder.

The method is further characterized in that: the worm wheel is fixedly arranged on the outer side surface of the rotating rod, the worm wheel is connected with the worm in a screwed mode, the rotating handle is fixedly arranged on one end surface of the worm, and the threaded top cover is connected with the upper end of the inner side surface of the waterproof cylinder in a screwed mode.

The utility model has the beneficial effects that:

1. through the inboard surface of sealing ring to inboard sunken, the parcel valve plate, the sealing area of increase valve plate, valve plate extrusion sealing ring simultaneously makes sealing ring inboard surface both ends department outside elastic expansion to through the structure that changes the sealing ring, improve the sealed effect between valve plate and the sealing ring, make sealing ring convenient to detach and change simultaneously.

2. The sealing washer increases the leakproofness between screw thread bottom and the screw thread groove, and screw thread bottom supports the valve rod, makes the valve rod unable move down, and is fixed with the valve rod, through the screw thread groove, makes screw thread bottom convenient to detach and installation, twists the bolt, makes it pass the screw hole, fixes valve plate and valve rod, otherwise, makes both convenient to detach, can make quick dismantlement between valve rod and the valve plate, makes the screw of valve rod and the valve body outside move the portion and dismantle fast, when the butterfly valve damages, is convenient for change the maintenance to the single subassembly of butterfly valve, makes the butterfly valve be convenient for maintain.

3. Through the block of square pole and square groove, make the valve rod can be along with bull stick synchronous rotation to make two be convenient for separation and block, rotate the turning handle, make the worm rotate, through the transmission of worm wheel and worm, make the bull stick rotate, be convenient for maintain inside the waterproof section of thick bamboo through the screw top cap.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall split structure of the present utility model;

FIG. 3 is a schematic view of the overall vertical cross-section of the present utility model;

FIG. 4 is a schematic diagram of the overall side cross-sectional structure of the present utility model;

fig. 5 is a schematic cross-sectional view of an adjustment assembly of the present utility model.

In the figure: 1. a valve body; 101. a fixing ring; 102. a mounting groove; 103. a thread groove; 104. a threaded bottom cover; 105. a seal ring; 2. an adjustment assembly; 201. a waterproof cylinder; 202. a threaded top cap; 203. a rotating rod; 204. sealing the bearing; 205. a worm wheel; 206. a worm; 207. a fixing frame; 208. a rotating handle; 209. a square groove; 3. a seal ring; 301. a valve plate; 302. a valve stem; 303. a through groove; 304. a threaded hole; 305. a bolt; 306. square bar.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a butterfly valve with high sealing performance and easy disassembly and assembly comprises a valve body 1, wherein an installation groove 102 is formed in the inner surface of the valve body 1, a sealing ring 3 is movably embedded in the installation groove 102, a valve plate 301 is movably arranged on the inner side of the sealing ring 3, the inner side surface of the sealing ring 3 is inwards concave to wrap the valve plate 301, the sealing area of the valve plate 301 is increased, meanwhile, the valve plate 301 presses the sealing ring 3, two ends of the inner side surface of the sealing ring 3 are elastically expanded outwards, the sealing effect between the valve plate 301 and the sealing ring 3 is improved through changing the structure of the sealing ring 3, meanwhile, the sealing ring 3 is convenient to detach and replace, a valve rod 302 is movably arranged in the valve plate 301, a square rod 306 is fixedly arranged on the upper end surface of the valve rod 302, an adjusting component 2 is fixedly arranged on the outer side surface of the valve body 1, and the adjusting component 2 comprises a waterproof cylinder 201, a thread top cover 202, a rotating rod 203, a sealing bearing 204, a worm wheel 205, a worm 206, a fixing frame 207 and a rotating handle 208.

The two ends of the outer side surface of the valve body 1 are fixedly provided with fixing rings 101, the outer side surface of the valve body 1 is symmetrically provided with thread grooves 103, the thread grooves 103 are communicated with the mounting groove 102, one thread groove 103 is internally screwed and connected with a thread bottom cover 104, the surface of the upper end of the thread bottom cover 104 is fixedly provided with a sealing ring 105, the sealing ring 105 increases the tightness between the thread bottom cover 104 and the thread groove 103, the thread bottom cover 104 props against a valve rod 302, the valve rod 302 cannot move downwards, the valve rod 302 is fixed, and the thread bottom cover 104 is convenient to detach and mount through the thread grooves 103; the valve plate 301 and the inner side surface of the sealing ring 3 are provided with through grooves 303, and the valve rod 302 penetrates through the through grooves 303 and is in sliding connection with the through grooves 303; screw holes 304 are formed in one side surface of the valve rod 302 and one side surface of the valve plate 301, bolts 305 are movably embedded in one side surface of the valve plate 301, the bolts 305 are screwed with the screw holes 304, the bolts 305 are screwed to penetrate through the screw holes 304 to fix the valve plate 301 and the valve rod 302, otherwise, the bolts and the valve rod 302 are convenient to detach, the valve rod 302 and the valve plate 301 can be detached quickly, the screwing part outside the valve rod 302 and the valve body 1 is detached quickly, when the butterfly valve is damaged, a single component of the butterfly valve is convenient to replace and maintain, and the butterfly valve is convenient to maintain.

The waterproof cylinder 201 is fixedly arranged on the outer side surface of the valve body 1, the sealing bearing 204 is fixedly arranged in the other threaded groove 103, and the rotating rod 203 penetrates through the sealing bearing 204 and is fixedly connected with the sealing bearing 204; square grooves 209 are formed in the lower end surface of the rotating rod 203, square rods 306 are movably clamped and connected with the square grooves 209, a fixing frame 207 is fixedly arranged on the inner surface of the waterproof cylinder 201, a worm 206 is rotatably connected inside the fixing frame 207, one end of the worm 206 penetrates through the waterproof cylinder 201, and the valve rod 302 can synchronously rotate along with the rotating rod 203 through the clamping of the square rods 306 and the square grooves 209, so that the two parts are convenient to separate and clamp; the worm wheel 205 is fixedly arranged on the outer side surface of the rotating rod 203, the worm wheel 205 is in screwed connection with the worm 206, the rotating handle 208 is fixedly arranged on one end surface of the worm 206, the screw top cover 202 is in screwed connection with the upper end of the inner side surface of the waterproof cylinder 201, the rotating handle 208 is rotated to enable the worm 206 to rotate, the rotating rod 203 is enabled to rotate through the transmission of the worm wheel 205 and the worm 206, and maintenance of the inside of the waterproof cylinder 201 is facilitated through the screw top cover 202.

Working principle: during the use, the inside surface of sealing ring 3 is inwards sunken, the valve plate 301 is wrapped, the sealing area of valve plate 301 is increased, simultaneously valve plate 301 extrudes sealing ring 3, make sealing ring 3 inside surface both ends department outside elastic expansion, thereby through changing the structure of sealing ring 3, improve the sealed effect between valve plate 301 and the sealing ring 3, simultaneously make sealing ring 3 convenient to detach and change, sealing ring 105 increases the leakproofness between screw thread bottom cover 104 and the thread groove 103, screw thread bottom cover 104 supports valve rod 302, make valve rod 302 unable the move down, fix valve rod 302, through thread groove 103, make screw thread bottom cover 104 convenient to detach and install, twist bolt 305, make it pass screw hole 304, fix valve plate 301 and valve rod 302, otherwise, make both be convenient for dismantle fast between valve rod 302 and valve plate 301, make valve rod 302 and the screw portion outside of valve body 1 dismantle fast, when damaging, be convenient for change the maintenance to the single subassembly of butterfly valve, make the butterfly valve be convenient for maintain, through the block of square rod 306 and square groove 209, make valve rod 302 can rotate along with the bull stick 203 synchronization, and make two be convenient for separate and block 208, make two rotation worm wheel 206 rotate, make 205 rotate through worm wheel 206 and worm 202, the inside is convenient for the rotation of the inside of a transmission drum 201, and the top cover 201 is kept convenient for the rotation.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.

Claims

1. The utility model provides a butterfly valve of high sealed and easy dismouting, its characterized in that, including valve body (1), mounting groove (102) have been seted up to valve body (1) internal surface, sealing ring (3) are installed in the inside movable embedding of mounting groove (102), sealing ring (3) inboard activity is equipped with valve plate (301), valve plate (301) inside activity is equipped with valve rod (302), valve rod (302) upper end fixed surface installs square rod (306), valve body (1) outside fixed surface installs regulation subassembly (2), regulation subassembly (2) are including waterproof section of thick bamboo (201), screw top cap (202), bull stick (203), sealed bearing (204), worm wheel (205), worm (206), mount (207) and rotating handle (208).

2. The butterfly valve with high sealing and easy dismounting according to claim 1, wherein the two ends of the outer side surface of the valve body (1) are fixedly provided with fixing rings (101), the outer side surface of the valve body (1) is symmetrically provided with thread grooves (103), the thread grooves (103) are communicated with the mounting groove (102), one thread groove (103) is internally screwed and connected with a thread bottom cover (104), and the surface of the upper end of the thread bottom cover (104) is fixedly provided with a sealing ring (105).

3. The butterfly valve with high sealing and easy dismounting according to claim 1, wherein the valve plate (301) and the inner side surface of the sealing ring (3) are provided with through grooves (303), and the valve rod (302) penetrates through the through grooves (303) and is slidably connected with the through grooves (303).

4. A butterfly valve with high sealing and easy dismounting according to claim 3, characterized in that screw holes (304) are formed on one side surfaces of the valve rod (302) and the valve plate (301), a bolt (305) is movably embedded in one side surface of the valve plate (301), and the bolt (305) is screwed with the screw holes (304).

5. The butterfly valve with high sealing and easy dismounting according to claim 1, wherein the waterproof cylinder (201) is fixedly mounted on the outer side surface of the valve body (1), the sealing bearing (204) is fixedly mounted in the other thread groove (103), and the rotating rod (203) penetrates through the sealing bearing (204) and is fixedly connected with the sealing bearing (204).

6. The butterfly valve with high sealing performance and easy dismounting according to claim 5, wherein a square groove (209) is formed in the lower end surface of the rotating rod (203), the square rod (306) is movably clamped and connected with the square groove (209), the fixing frame (207) is fixedly installed on the inner surface of the waterproof cylinder (201), the worm (206) is rotatably connected inside the fixing frame (207), and one end of the worm (206) penetrates through the waterproof cylinder (201).

7. The butterfly valve with high sealing performance and easy dismounting according to claim 6, wherein the worm wheel (205) is fixedly mounted on the outer side surface of the rotating rod (203), the worm wheel (205) is screwed with the worm (206), the rotating handle (208) is fixedly mounted on one end surface of the worm (206), and the threaded top cover (202) is screwed on the upper end of the inner side surface of the waterproof cylinder (201).