CN218625460U

CN218625460U - Wear-resistant cylinder body of butterfly valve

Info

Publication number: CN218625460U
Application number: CN202223379283.4U
Authority: CN
Inventors: 马金录; 马晨辉; 徐月红
Original assignee: Hangzhou Dezhi Machinery Co ltd
Current assignee: Hangzhou Dezhi Machinery Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-03-14
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a wear-resisting cylinder body of butterfly valve, which comprises a valve body, the annular recess has been seted up on the valve body inner wall, the middle part is equipped with middle part branch spacer bar in the recess, the both sides of middle part branch spacer bar are equipped with a side branch spacer bar respectively, be equipped with in the recess with middle part branch spacer bar and both matched with sealed pieces of side branch spacer bar, sealed piece includes two sealed lugs that link together, middle part branch spacer bar card is two between the sealed lug, two the tip card of sealed lug is two on the side branch spacer bar, sealed lug surface is equipped with the elasticity hornblock. Has the advantages that: through the design of elastic component to when the valve plate was rotatory, the valve plate extruded the elasticity hornblock of sealed lug and sealed lug side, and sealed lug can give elastic component with pressure transfer, and elastic component can drive sealed lug and reset.

Description

Wear-resistant cylinder body of butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field particularly, relates to a wear and tear cylinder body of butterfly valve.

Background

A butterfly valve is also called a flap valve, is a regulating valve with simple structure, can be used for switching low-pressure pipeline media, controls the rotation of the butterfly plate around a valve shaft to achieve the opening and closing of a valve, and mainly plays the roles of cutting off and throttling on a pipeline.

When needs liquid passes through the butterfly valve, the valve rod is rotated, makes long face rotate to liquid inflow direction, and the short face rotates to liquid outflow direction, and sealed piece roll-off from the seal groove, sealed pad and sealing washer separation, sealed function disappear, and liquid begins to flow, and this in-process valve plate uses the valve rod to rotate as the center, nevertheless can contact with the valve body inner wall when the valve plate rotates, and then leads to the fact the wearing and tearing that all can receive between valve plate and the valve body inner wall.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a wear and tear cylinder body of butterfly valve to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a wear-resistant cylinder body of butterfly valve, includes the valve body, the annular recess has been seted up on the valve body inner wall, the middle part is equipped with middle part branch pole in the recess, the both sides that middle part divides the pole are equipped with a side branch pole respectively, be equipped with in the recess with middle part branch pole and both matched with sealed pieces of side branch pole, sealed piece includes two sealed lugs that link together, middle part spacer bar card is two between the sealed lug, two the tip card of sealed lug is two on the side branch pole, sealed lug surface is equipped with the elasticity hornblock, two between the sealed lug and the elasticity hornblock with form one between the two with valve plate matched with sealed clearance between the middle part spacer bar, the inside a plurality of holding tank that is equipped with of sealed lug, be equipped with elastic component in the holding tank.

Preferably, the elastic assembly comprises a fixed block located at the bottom in the accommodating groove, two symmetrically arranged supporting frames are arranged at the top of the fixed block, a supporting block is arranged at the center of the top of the fixed block, moving grooves matched with the supporting frames are formed in two sides of the supporting block, a moving block and a second spring are arranged in the moving grooves, and the moving block and the second spring are extruded together.

Preferably, the outer surface of the support frame is provided with a first spring, the end part of the support frame is movably connected with a hinged block, the end part of the hinged block is fixedly connected with a rotating plate, the end part of the rotating plate is fixedly connected with the end part of the first spring, the other end of the rotating plate is movably connected with a push rod, and the other end of the push rod is movably connected with the movable block.

Preferably, an end of the rotating plate is pressed against an inner wall of the accommodating groove, and the end of the rotating plate has an arc-shaped structure.

Preferably, the sealing protrusion and the elastic corner block are of an integral structure, and the middle separation rod and the two side separation rods are of an annular structure.

Preferably, the first spring and the second spring are of an integrated structure, and spring washers are arranged at the end parts of the first spring and the second spring.

The utility model has the advantages that: through the design of the elastic assembly, when the valve plate rotates, the valve plate extrudes the sealing lug and the elastic corner block on the side edge of the sealing lug, the sealing lug can transmit pressure to the elastic assembly, and the elastic assembly can drive the sealing lug to reset;

meanwhile, when the valve plate is opened, the rotating plate can be restored to the initial position under the action of the first spring and the second spring, and meanwhile, the sealing lug is jacked up to be restored to the initial position; through the design of sealing convex block to when the valve plate is rotatory, reduce the friction between valve plate and the valve body inner wall, reduce valve plate and valve body inner wall wearing and tearing between them.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a general structural schematic diagram of a wear-resistant cylinder body of a butterfly valve according to an embodiment of the present invention;

fig. 2 is a schematic view of the internal structure of a wear-resistant cylinder body of a butterfly valve according to an embodiment of the present invention;

fig. 3 is a schematic diagram of the internal structure of the groove of the wear-resistant cylinder body of the butterfly valve according to the embodiment of the invention;

fig. 4 is a schematic structural view of an elastic component of a butterfly valve wear-resistant cylinder according to an embodiment of the present invention;

fig. 5 is a schematic view of the internal structure of the elastic component of the wear-resistant cylinder body of the butterfly valve according to the embodiment of the present invention.

In the figure:

1. a valve body; 2. a groove; 3. a middle separator bar; 4. a side dividing bar; 5. sealing the bump; 6. an elastic corner block; 7. sealing the gap; 8. accommodating grooves; 9. a fixed block; 10. a support frame; 11. a support block; 12. a hinged block; 13. a first spring; 14. a rotating plate; 15. a push rod; 16. a movable groove; 17. a movable block; 18. spring two

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a wear and tear cylinder body of butterfly valve.

Embodiment one, as shown in fig. 1-5, according to the utility model discloses a wear-resistant cylinder body of butterfly valve, including valve body 1, annular recess 2 has been seted up on the valve body 1 inner wall, the middle part is equipped with middle part spacer bar 3 in the recess 2, the both sides of middle part spacer bar 3 are equipped with a side spacer bar 4 respectively, be equipped with in the recess 2 with middle part spacer bar 3 and the sealed piece of both matched with of side spacer bar 4, sealed piece includes two sealed lugs 5 that link together, middle part spacer bar 3 card is in two between sealed lug 5, two the tip card of sealed lug 5 is in two on the side spacer bar 4, sealed lug 5 surface is equipped with elasticity hornblock 6, two between the sealed lug 5 and between elasticity hornblock 6 and the middle part spacer bar 3 form one with valve plate matched with sealed clearance 7, sealed lug 5 inside is equipped with a plurality of holding tank 8, be equipped with elastic component in the holding tank 8.

Embodiment two, as shown in fig. 1-5, the wear-resistant cylinder body for a butterfly valve according to the embodiment of the present invention includes a valve body 1, an annular groove 2 is formed in an inner wall of the valve body 1, a middle separation rod 3 is disposed in the middle of the groove 2, two side separation rods 4 are disposed on two sides of the middle separation rod 3, sealing blocks are disposed in the groove 2 and are matched with the middle separation rod 3 and the side separation rods 4, the sealing blocks include two sealing protrusions 5 connected together, the middle separation rod 3 is clamped between the two sealing protrusions 5, two ends of the sealing protrusions 5 are clamped on the two side separation rods 4, an elastic angle block 6 is disposed on an outer surface of the sealing protrusion 5, two sealing gaps 7 matched with a valve plate are formed between the two sealing protrusions 5 and between the elastic angle block 6 and the middle separation rod 3, a plurality of accommodating grooves 8 are disposed in the sealing protrusion 5, an elastic assembly is disposed in the accommodating groove 8, the elastic assembly includes a fixed block 9 disposed at an inner bottom of the rotating plate 8, two symmetrical supporting blocks 10 are disposed at a top of the fixed block 9, a supporting frame 10 is disposed at a movable center of the supporting frame 10, a supporting frame 14 is connected with a movable supporting frame 12, a supporting frame 12, and a supporting frame 16 are disposed in the supporting frame 12, and a movable supporting frame 16 are disposed in the supporting frame 16, and a movable frame 16 are connected with a supporting frame 12, and a supporting frame 16 are disposed in the supporting frame 16, the other end of the rotating plate 14 is movably connected with a push rod 15, and the other end of the push rod 15 is movably connected with the movable block 17. From the design of foretell, through the design of elastic component to when the valve plate was rotatory, the valve plate extruded sealed lug 5 and the elasticity hornblock of sealed lug 5 side, sealed lug 5 can be given elastic component with pressure transfer, and elastic component can drive sealed lug 5 and reset.

Embodiment three, as shown in fig. 1-5, according to the utility model discloses a wear-resisting cylinder body of butterfly valve, including valve body 1, annular recess 2 has been seted up on the valve body 1 inner wall, the middle part is equipped with middle part spacer bar 3 in the recess 2, the both sides of middle part spacer bar 3 are equipped with a side spacer bar 4 respectively, be equipped with in the recess 2 with middle part spacer bar 3 and side spacer bar 4 both matched with seal block, seal block includes two seal bumps 5 that link together, middle part spacer bar 3 blocks two between seal bump 5, two the tip card of seal bump 5 is two on side spacer bar 4, seal bump 5 surface is equipped with elasticity hornblock 6, two between seal bump 5 and between elasticity hornblock 6 and the middle part spacer bar 3 both form one with valve plate matched with sealed clearance 7, the inside of seal bump 5 is equipped with a plurality of holding tank 8, be equipped with elastic component in the holding tank 8, the tip of rotor plate 14 with the inner wall extrusion of rotor plate 8 is in the same place, the tip of rotor plate 14 is the structure, seal bump 5 with seal gap 6 with valve plate matched with valve plate both seal ring spring washer 18, the spring spacer bar 13 is the integral type spring structure two, the spring spacer bar structure is two the spring structure is equipped with the spring structure. It is clear from the above-described design that the sealing gap 7 is formed by the design of the middle spacer rod 3 to be adapted to the valve plate.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In summary, with the above technical solution of the present invention, when the valve plate rotates, the side of the valve plate contacts and rubs against the inner wall of the valve body 1, when the valve plate rotates, the edge of the valve plate disengages from the inside of the sealing gap 7, and simultaneously and gradually presses the two sealing bumps 5 and the elastic corner blocks at the side of the sealing bumps 5, so as to complete the rotation action, when the sealing bumps 5 are pressed, the sealing bumps 5 transmit the pressure to the elastic component, and the elastic component drives the sealing bumps 5 to reset, that is, the sealing bumps 5 transmit the pressure to the rotating plate 14 in the elastic component, through the arc end surface of the rotating plate 14, the rotating plate 14 rotates along the connection point with the support frame 10 after being pressed, the rotating plate 14 pulls the first spring 13 and simultaneously presses the push rod 15 while rotating, the other end of the push rod 15 and the push movable block 17 move in the movable groove 16, the movable block 17 presses the second spring 18, and the pressure applied to the sealing bumps 5 is buffered by the telescopic motion of the first spring 13 and the second spring 18, and the rotating plate 14 recovers to the initial position under the action of the first spring 13 and the second spring 18, and simultaneously, and pushes up the sealing bumps 5 to the initial position; through the design of the sealing convex block 5, when the valve plate 3 rotates, the friction between the valve plate and the inner wall of the valve body 1 is reduced, and the abrasion between the valve plate and the inner wall of the valve body 1 is reduced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wear-resistant cylinder body of butterfly valve, its characterized in that includes valve body (1), annular recess (2) have been seted up on valve body (1) inner wall, the middle part is equipped with middle part branch pole (3) in recess (2), the both sides of middle part branch pole (3) are equipped with one side respectively and separate pole (4), be equipped with in recess (2) with middle part branch pole (3) and both matched with seal block of side branch pole (4), seal block includes two sealed lugs (5) that link together, middle part branch pole (3) card is two between sealed lug (5), two the tip card of sealed lug (5) is two on side branch pole (4), sealed lug (5) surface is equipped with elasticity angle block (6), two between sealed lug (5) and elasticity angle block (6) with form one between the middle part branch pole (3) both with valve plate matched with sealed clearance (7), sealed lug (5) inside is equipped with a plurality of (8), be equipped with elastic component in holding tank (8).

2. The abrasion-resistant cylinder body for the butterfly valve according to claim 1, wherein the elastic component comprises a fixed block (9) located at the bottom in the accommodating groove (8), two symmetrically arranged supporting frames (10) are arranged at the top of the fixed block (9), a supporting block (11) is arranged at the center of the top of the fixed block (9), two sides of the supporting block (11) are respectively provided with a movable groove (16) matched with the supporting frames (10), a movable block (17) and a second spring (18) are arranged in the movable grooves (16), and the movable block (17) and the second spring (18) are extruded together.

3. The wear-resistant cylinder body for the butterfly valve according to claim 2, wherein a first spring (13) is arranged on the outer surface of the support frame (10), a hinged block (12) is movably connected to the end of the support frame (10), the end of the hinged block (12) is fixedly connected with a rotating plate (14), the end of the rotating plate (14) is fixedly connected with the end of the first spring (13), a push rod (15) is movably connected to the other end of the rotating plate (14), and the other end of the push rod (15) is movably connected with the movable block (17).

4. A wear-resistant cylinder for butterfly valves, according to claim 3, characterized in that the end of said rotating plate (14) is pressed together with the inner wall of said housing groove (8), the end of said rotating plate (14) being of circular arc configuration.

5. A wear-resistant cylinder for butterfly valves, according to claim 4, characterized in that said sealing cam (5) and said elastic corner block (6) are of a single piece construction, said middle spacer rod (3) and said two side spacer rods (4) being of an annular construction.

6. The wear-resistant cylinder body for the butterfly valve as claimed in claim 5, wherein the first spring (13) and the second spring (18) are of an integral structure, and the ends of the first spring (13) and the second spring (18) are provided with spring washers.