CN210890132U

CN210890132U - Automatic compensation bidirectional hard seal butterfly valve

Info

Publication number: CN210890132U
Application number: CN201921541870.4U
Authority: CN
Inventors: 王帅
Original assignee: Zhengzhou Ludu Valve Co ltd
Current assignee: Zhengzhou Ludu Valve Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-30
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses an automatic compensation two-way hard seal butterfly valve, which comprises a valve body, a rotating unit and a butterfly plate unit, wherein the interior of the valve body is hollow, a circular groove is arranged at the rear side of the valve body, the compensating unit is arranged in the circular groove, the butterfly plate unit is arranged in the valve body, the rotating unit comprises a handle, a support plate, a sleeve and a rotating shaft, the bottom end of the sleeve is communicated with the top end of the valve body, the outer side of the top end of the rotating shaft is rotationally connected with the inner side of the sleeve, the top end of the rotating shaft is connected with the middle part of the lower surface of the support plate, the right side of the upper surface of the support plate is connected with the bottom end of the handle, the bottom end of the rotating shaft is positioned in a sliding hole at the bottom end in the valve body, a fixing unit is arranged at the left side of the upper surface of the, convenient to use, the maintenance is convenient, and is sealed effectual.

Description

Automatic compensation bidirectional hard seal butterfly valve

Technical Field

The utility model relates to the technical field of valves, specifically be an automatic two-way hard seal butterfly valve of compensation.

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 (valve clack or butterfly plate) which is a disc and rotates around a valve shaft to open and close.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a two-way hard seal butterfly valve of automatic compensation, convenient to use, it is convenient to maintain, and is sealed effectual, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic compensation two-way hard seal butterfly valve comprises a valve body, a rotating unit and a butterfly plate unit, wherein the inside of the valve body is hollow, a circular groove is formed in the rear side of the valve body, the compensating unit is arranged in the circular groove, the butterfly plate unit is arranged in the valve body, the rotating unit comprises a handle, a supporting plate, a sleeve and a rotating shaft, the bottom end of the sleeve is communicated with the top end of the valve body, the outer side of the top end of the rotating shaft is rotatably connected with the inner side of the sleeve, the top end of the rotating shaft is connected with the middle part of the lower surface of the supporting plate, the right side of the upper surface of the supporting plate is connected with the bottom end of the handle, the bottom end of the rotating shaft is positioned in a sliding hole in the bottom end inside the valve body, a fixing unit is arranged on the left side of the upper surface of the supporting plate and further comprises, the through hole on the surface of the first mounting plate is matched with the screw hole in the circular groove of the valve body through a bolt.

Through the rotation unit, the butterfly plate can be opened and closed according to the use condition, and meanwhile, the energy-saving effect is achieved.

Further, the butterfly plate unit comprises a fixed block, a rotating wheel, a bidirectional screw rod, a movable block, a first connecting plate, a bolt and a butterfly plate, the butterfly plate is positioned in the valve body, the two fixing blocks are provided with two rear side surfaces which are respectively connected with the upper end and the lower end of the front side surface of the butterfly plate, the front side surfaces of the two fixing blocks are respectively provided with a groove, the grooves are rotationally connected with a bidirectional screw rod, the threads at the two ends of the bidirectional screw rod are opposite, the left end of the fixed block is provided with a rotating wheel, the right end of the rotating wheel is connected with the left end of the bidirectional screw rod, the movable block is provided with two screw holes on the side surface which are respectively in threaded connection with the left end and the right end of the bidirectional screw rod, the movable block is in sliding connection with a groove on the front side surface of the fixed block, the front side surface of the movable block is provided with a first connecting plate, the middle part of the inner side surface of the movable block is provided with a bolt, the bolt is matched with the jacks on two sides of the rotating shaft, and can be replaced, detached and maintained according to the damage condition of the butterfly plate.

Further, the fixing unit comprises a handle, a second connecting plate, a connecting rod, a return spring, a second mounting plate, a sliding rod and a fixing plate, the bottom end of the fixed plate is connected with the middle part of the upper surface of the supporting plate, the top end of the left side surface of the fixed plate is connected with the right end of the second connecting plate, the lower surface of the left end of the second connecting plate is connected with the top end of a return spring, the bottom end of the return spring is connected with the upper surface of the second mounting plate, the outer side of the top end of the connecting rod is connected with the through hole on the left side of the second connecting plate in a sliding way, the top end of the connecting rod is provided with a handle, the bottom end of the connecting rod is connected with the middle part of the upper surface of the second mounting plate, the lower surface of the second mounting plate is provided with a sliding rod, the slide bar passes the left shaft hole of backup pad and cooperatees with the slide opening on sleeve pipe top, can fix the countershaft, prevents that personnel's maloperation from leading to the butterfly valve switch unusual.

Further, the compensation unit contains sealing washer, briquetting and spring, the inboard array of the circular recess of valve body rear side has the spring, the medial extremity of spring is connected with the outside end of briquetting, the medial surface of briquetting and the laminating of the outside of sealing washer, the sealing washer is located the circular recess of valve body rear side, can compress tightly the compensation to the place of sealing washer wearing and tearing automatically, prevents that the crossing department of butterfly plate and sealing washer from leaking.

Furthermore, the butterfly plate further comprises an anti-corrosion coating, wherein the anti-corrosion coating is arranged on the left side face of the butterfly plate, and can prevent the butterfly plate from being corroded by corrosive liquid in a pipeline in use.

Compared with the prior art, the beneficial effects of the utility model are that: this two-way hard seal butterfly valve of automatic compensation has following benefit:

1. the butterfly plate can be opened and closed according to the using condition through the rotating unit, and meanwhile, the butterfly plate has an energy-saving effect, and can be replaced, detached and maintained according to the damage condition of the butterfly plate through the butterfly plate unit;

2. the fixing unit can fix the rotating shaft, so that the abnormal opening and closing of the butterfly valve caused by the misoperation of personnel can be prevented;

3. through the compensation unit, can compress tightly the compensation to the place of sealing washer wearing and tearing automatically, prevent that the crossing department of butterfly plate and sealing washer from leaking, be equipped with anticorrosive coating, can prevent that the butterfly plate from being corroded by corrosive liquids in the pipeline in use.

Drawings

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

FIG. 2 is a schematic view of the rear side structure of the present invention;

FIG. 3 is a schematic view of the enlarged structure of the part A of the present invention;

FIG. 4 is a schematic view of the enlarged structure of the part B of the present invention;

fig. 5 is a schematic diagram of the local enlarged structure at the position C of the present invention.

In the figure: the valve comprises a valve body 1, a rotating unit 2, a handle 21, a supporting plate 22, a sleeve 23, a rotating shaft 24, a butterfly plate 3, a fixed block 31, a rotating wheel 32, a bidirectional screw rod 33, a movable block 34, a first connecting plate 35, a bolt 36, a butterfly plate 37, a fixed unit 4, a handle 41, a second connecting plate 42, a connecting rod 43, a return spring 44, a second mounting plate 45, a sliding rod 46, a fixed plate 47, a compensation unit 5, a sealing ring 51, a pressing block 52, a spring 53, a bolt 6, a first mounting plate 7 and an anticorrosive coating 8.

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. 1-5, the present invention provides a technical solution: an automatic compensation bidirectional hard seal butterfly valve comprises a valve body 1, a rotating unit 2 and a butterfly plate unit 3, wherein the interior of the valve body 1 is hollow, a circular groove is formed in the rear side of the valve body 1, a compensation unit 5 is arranged in the circular groove, the compensation unit 5 comprises a sealing ring 51, a pressing block 52 and a spring 53, the spring 53 is arrayed on the inner side of the circular groove in the rear side of the valve body 1, the inner side end of the spring 53 is connected with the outer side end of the pressing block 52, the inner side surface of the pressing block 52 is attached to the outer side of the sealing ring 51, the sealing ring 51 is positioned in the circular groove in the rear side of the valve body 1 and can automatically compress and compensate the abrasion part of the sealing ring 51 to prevent the water leakage at the intersection of the butterfly plate 37 and the sealing ring 51, the butterfly plate unit 3 is arranged in the valve body 1, the butterfly plate unit 3 comprises a fixing block 31, a rotating wheel 32, a bidirectional screw 33, fixed block 31 has two and trailing flank to be connected with the upper and lower both ends of butterfly plate 37 leading flank respectively, the leading flank of two fixed blocks 31 all is equipped with the recess, two-way lead screw 33 is connected to the recess internal rotation, the screw at two-way lead screw 33 both ends is opposite, the left end of fixed block 31 is equipped with runner 32, the right-hand member of runner 32 is connected with two-way lead screw 33's left end, both ends threaded connection about the screw that movable block 34 has two and side respectively with two-way lead screw 33, the recess sliding connection of movable block 34 and fixed block 31 leading flank, the leading flank of movable block 34 is equipped with first connecting plate 35, the medial surface middle part of movable block 34 is equipped with bolt 36, bolt 36 cooperatees with the jack of 24 both sides of pivot, can change and dismantle the maintenance according to.

The rotating unit 2 comprises a handle 21, a support plate 22, a sleeve 23 and a rotating shaft 24, the bottom end of the sleeve 23 is communicated with the top end of the valve body 1, the outer side of the top end of the rotating shaft 24 is rotatably connected with the inner side of the sleeve 23, the top end of the rotating shaft 24 is connected with the middle part of the lower surface of the support plate 22, the right side of the upper surface of the support plate 22 is connected with the bottom end of the handle 21, the bottom end of the rotating shaft 24 is positioned in a sliding hole at the bottom end inside the valve body 1, the butterfly plate 37 can be opened and closed according to the using condition through the rotating unit 2, meanwhile, the energy-saving effect is achieved, the left side of the upper surface of the support plate 22 is provided with a fixing unit 4, the fixing unit 4 comprises a handle 41, a second connecting plate 42, a connecting rod 43, a reset spring 44, a second mounting plate 45, a sliding rod, the lower surface of second connecting plate 42 left end is connected with reset spring 44's top, reset spring 44's bottom and the upper surface of second mounting panel 45 are connected, the top outside and the left through-hole sliding connection of second connecting plate 42 of connecting rod 43, the top of connecting rod 43 is equipped with handle 41, the bottom of connecting rod 43 is connected with the upper surface middle part of second mounting panel 45, the lower surface of second mounting panel 45 is equipped with slide bar 46, slide bar 46 passes the left shaft hole of backup pad 22 and cooperatees with the slide opening on sleeve 23 top, can fix countershaft 24, prevent that personnel's spurious motion from leading to the butterfly valve switch unusual.

Wherein, still including bolt 6 and first mounting panel 7, the array has the screw in the circular recess of valve body 1 rear side, and the surface array of first mounting panel 7 has the through-hole, and the through-hole on first mounting panel 7 surface cooperatees through the screw in bolt 6 and the circular recess of valve body 1, still includes anticorrosive coating 8, and anticorrosive coating 8 is established at the left surface of butterfly plate 37, can prevent that butterfly plate 37 from being corroded by corrosive liquids in the pipeline in use.

When in use: after the butterfly valve is installed, the upper end and the lower end of the right side surface of the butterfly plate 37 are provided with the fixed blocks 31, the left end of the fixed block 31 is provided with the rotating wheel 32, the rotating wheel 32 is rotated to drive the two-way screw rod 33 to rotate, the two ends of the two-way screw rod 33 are respectively in threaded connection with the screw holes on the side surfaces of the two movable blocks 34, the front side surface of each movable block 34 is provided with the first connecting plate 35, the bolts 36 on the inner side of the first connecting plate 35 are matched with the insertion holes on the two sides of the rotating shaft 24, so that replacement, disassembly and maintenance can be carried out according to the damage condition of the butterfly plate 37, the left side surface of the butterfly plate 37 is provided with the anticorrosive coating 8, the anticorrosive coating 8 can prevent the butterfly plate 37 from being corroded by corrosive liquid in a pipeline in use, when water flows through, the handle 41 is pulled, the reset spring, therefore, the butterfly plate 37 can rotate along with the rotation of the handle 21, after the rotation is completed, the handle 41 is loosened, the reset spring 44 is loosened, the sliding rod 46 at the bottom end of the second mounting plate 45 is matched with the sliding hole at the top end of the sleeve 23, the rotating shaft 24 can be fixed, the abnormal opening and closing of the butterfly valve caused by misoperation of personnel is prevented, the springs 53 are arrayed on the inner side of the circular groove at the rear side of the valve body 1, the inner side end of each spring 53 is connected with the outer side face of the pressing block 52, the pressing block 52 extrudes the sealing ring 51, the abrasion part of the sealing ring 51 can be automatically compressed and compensated, and water leakage at the intersection of the butterfly plate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic two-way sealed butterfly valve firmly of compensation which characterized in that: comprises a valve body (1), a rotating unit (2) and a butterfly plate unit (3), wherein the inside of the valve body (1) is hollow, a circular groove is formed in the rear side of the valve body (1), a compensation unit (5) is arranged in the circular groove, the butterfly plate unit (3) is arranged in the valve body (1), the rotating unit (2) comprises a handle (21), a support plate (22), a sleeve (23) and a rotating shaft (24), the bottom end of the sleeve (23) is communicated with the top end of the valve body (1), the outer side of the top end of the rotating shaft (24) is rotatably connected with the inner side of the sleeve (23), the top end of the rotating shaft (24) is connected with the middle part of the lower surface of the support plate (22), the right side of the upper surface of the support plate (22) is connected with the bottom end of the handle (21), the bottom end of the rotating shaft (24) is positioned in a sliding hole at the inner bottom end of the valve body (1, still include bolt (6) and first mounting panel (7), the array has the screw in the circular recess of valve body (1) rear side, the surface array of first mounting panel (7) has the through-hole, the through-hole on first mounting panel (7) surface passes through bolt (6) and cooperatees with the screw in the circular recess of valve body (1).

2. The self-compensating bidirectional hard seal butterfly valve of claim 1, wherein: the butterfly plate unit (3) comprises a fixed block (31), a rotating wheel (32), a two-way screw rod (33), a movable block (34), a first connecting plate (35), a bolt (36) and a butterfly plate (37), the butterfly plate (37) is positioned in the valve body (1), the fixed block (31) is provided with two rear sides which are respectively connected with the upper end and the lower end of the front side of the butterfly plate (37), the front sides of the two fixed blocks (31) are respectively provided with a groove, the two-way screw rod (33) is connected in the groove in a rotating way, the threads at the two ends of the two-way screw rod (33) are opposite, the left end of the fixed block (31) is provided with the rotating wheel (32), the right end of the rotating wheel (32) is connected with the left end of the two-way screw rod (33), the movable block (34) is provided with two screw holes which are respectively connected with the left end and the right end of the two-way screw, the front side of the movable block (34) is provided with a first connecting plate (35), the middle of the inner side of the movable block (34) is provided with a bolt (36), and the bolt (36) is matched with the jacks on the two sides of the rotating shaft (24).

3. The self-compensating bidirectional hard seal butterfly valve of claim 1, wherein: the fixing unit (4) comprises a handle (41), a second connecting plate (42), a connecting rod (43), a return spring (44), a second mounting plate (45), a sliding rod (46) and a fixing plate (47), the bottom end of the fixing plate (47) is connected with the middle part of the upper surface of the supporting plate (22), the top end of the left side surface of the fixing plate (47) is connected with the right end of the second connecting plate (42), the lower surface of the left end of the second connecting plate (42) is connected with the top end of the return spring (44), the bottom end of the return spring (44) is connected with the upper surface of the second mounting plate (45), the outer side of the top end of the connecting rod (43) is in sliding connection with a through hole in the left side of the second connecting plate (42), the top end of the connecting rod (43) is provided with the handle (41), and the bottom end of the connecting rod (43) is, the lower surface of the second mounting plate (45) is provided with a sliding rod (46), and the sliding rod (46) penetrates through a shaft hole in the left side of the support plate (22) to be matched with a sliding hole in the top end of the sleeve (23).

4. The self-compensating bidirectional hard seal butterfly valve of claim 1, wherein: compensating unit (5) contain sealing washer (51), briquetting (52) and spring (53), the inboard array of the circular recess of valve body (1) rear side has spring (53), the medial extremity of spring (53) is connected with the outside end of briquetting (52), the medial surface of briquetting (52) is laminated with the outside of sealing washer (51), sealing washer (51) are located the circular recess of valve body (1) rear side.

5. The self-compensating bidirectional hard seal butterfly valve of claim 2, wherein: the butterfly plate is characterized by further comprising an anti-corrosion coating (8), wherein the anti-corrosion coating (8) is arranged on the left side face of the butterfly plate (37).