CN213039836U

CN213039836U - Telescopic flange butterfly valve

Info

Publication number: CN213039836U
Application number: CN202021796231.5U
Authority: CN
Inventors: 徐治国
Original assignee: Tianjin Tangvalve Manufacturing Co ltd
Current assignee: Tianjin Tangvalve Manufacturing Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-23
Anticipated expiration: 2030-08-25

Abstract

The utility model belongs to the technical field of butterfly valves, and discloses a telescopic flange butterfly valve, which comprises a valve casing, wherein one end of the valve casing is provided with a water inlet pipe, the other end of the valve casing is fixed with a water outlet pipe, one end of the water outlet pipe, which is far away from the valve casing, is connected with a telescopic pipe, one end of the telescopic pipe, which extends to the inside of the water outlet pipe, is provided with a sliding ring, the top of the valve casing is provided with an adjusting frame, the middle inside of the valve casing is movably connected with a rotating rod through a bearing, the outer wall of the rotating rod is sleeved with a valve block, the end of the rotating rod, which extends to the inside of the adjusting frame, is fixed with a second gear, one end of the top of the adjusting frame is provided with a valve rod in a penetrating way, the utility model can enable two clamping plates to mutually approach to each, the structure is firm and reliable, and the control effect of the valve is greatly improved.

Description

Telescopic flange butterfly valve

Technical Field

The utility model belongs to the technical field of the butterfly valve, concretely relates to concertina type flange 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 part being a disk and rotating around a valve shaft to achieve opening and closing.

In chinese patent with patent number CN201620607664.9, a telescopic flange butterfly valve is disclosed, the device makes the compact heap laminate with the side of adjusting the pole through the spring, thereby press from both sides tight regulation pole, but spacing effect is not good when in actual use, it is difficult to make through the spring to adjust the pole and keep firmly, under the impact of rivers, the valve block takes place to rotate very easily, thereby influence the valve control effect, in addition, because the sliding ring of flexible pipe tip can freely slide in the sliding tray, after flexible pipe and pipe connection, the sliding ring still takes place to slide easily, make flexible pipe shrink once more, thereby influence the stability of device, the result of use is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concertina type flange butterfly valve to the valve block of proposing takes place to rotate very easily in solving above-mentioned background art, and the unstable problem of flexible pipe.

In order to achieve the above object, the utility model provides a following technical scheme: a telescopic flange butterfly valve comprises a valve casing, wherein one end of the valve casing is provided with a water inlet pipe, the other end of the valve casing is fixed with a water outlet pipe, one end of the water outlet pipe, which is far away from the valve casing, is connected with a telescopic pipe, one end of the telescopic pipe, which extends to the inside of the water outlet pipe, is provided with a sliding ring, the top of the valve casing is provided with an adjusting frame, the middle inside of the valve casing is movably connected with a rotating rod through a bearing, the outer wall of the rotating rod is sleeved with a valve block, one end of the rotating rod, which extends to the inside of the adjusting frame, is fixedly provided with a second gear, one end of the top of the adjusting frame penetrates through a valve rod, one end of the valve rod, which extends to the inside of the adjusting frame, is provided with a first gear meshed with the second gear, two inner sides of the adjusting, and two fixed sleeves are installed at one end of the screw rod extending to the outside of the adjusting frame.

Preferably, the one end that the inside of outlet pipe is close to the valve casing is installed solid fixed ring, gu one side of fixed ring is fixed with the spring, the spring is kept away from solid fixed ring's one end and is connected with the sliding ring, the outlet pipe is close to flexible intraduct one end both sides and all runs through there is the gag lever post, two the gag lever post extends to the inside one end of outlet pipe and all is connected with the sliding ring, the filter screen is all installed with the inside of flexible pipe to the oral siphon.

Preferably, the inside of filter screen is provided with double-deck filter screen layer, the one end that the valve rod extends to the outside of adjusting frame is installed the regulating wheel.

Preferably, the one end that the inlet pipe kept away from the valve casing is installed first flange, the one end that the outlet pipe was kept away from to flexible pipe is fixed with the second flange.

Preferably, the outer wall of the fixed sleeve is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with a bulge.

Preferably, the valve plate is internally provided with a reinforcing rod, and the reinforcing rod is perpendicular to the rotating rod.

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

(1) the utility model discloses a cooperation of fixed cover, lead screw, swivel nut and cardboard can make two cardboards be close to each other and the card goes into the slot to can carry out spacing fixed to first gear and second gear, and then can effectually prevent that the valve block from taking place to rotate, the sound construction is reliable, has improved the control effect of valve greatly.

(2) The utility model discloses a cooperation of solid fixed ring and spring can make the sliding ring have the trend of outside motion all the time to can make flexible pipe support tight pipeline, and then can prevent that the sliding ring from sliding, avoid flexible pipe to shrink once more, improve the stability of device greatly, more steady when can making the sliding ring remove through the gag lever post, can prevent through the filter screen that the valve from blockking up, improve the security of device.

Drawings

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

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

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: 1. a valve housing; 2. a water inlet pipe; 3. an adjusting frame; 4. a valve stem; 5. fixing a sleeve; 6. a water outlet pipe; 7. a telescopic pipe; 8. a limiting rod; 9. a slip ring; 10. a spring; 11. a fixing ring; 12. rotating the rod; 13. a valve plate; 14. filtering with a screen; 15. a first gear; 16. a screw rod; 17. a second gear; 18. clamping a plate; 19. a threaded sleeve.

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. 1-3, the present invention provides the following technical solutions: a telescopic flange butterfly valve comprises a valve casing 1, wherein one end of the valve casing 1 is provided with a water inlet pipe 2, the other end of the valve casing 1 is fixedly provided with a water outlet pipe 6, one end of the water outlet pipe 6, which is far away from the valve casing 1, is connected with a telescopic pipe 7, one end of the telescopic pipe 7, which extends to the inside of the water outlet pipe 6, is provided with a slip ring 9, the top of the valve casing 1 is provided with an adjusting frame 3, the middle inside of the valve casing 1 is movably connected with a rotating rod 12 through a bearing, the outer wall of the rotating rod 12 is sleeved with a valve block 13, one end of the rotating rod 12, which extends to the inside of the adjusting frame 3, is fixedly provided with a second gear 17, one end of the top of the adjusting frame 3 penetrates through a valve rod 4, one end of the valve rod 4, which extends to the inside of the adjusting frame 3, is provided, the bottom of two swivel nuts 19 all is fixed with cardboard 18, fixed cover 5 is all installed to the one end that two lead screws 16 extend to the outside of adjustment frame 3, can rotate two fixed covers 5 simultaneously during the use, then fixed cover 5 can drive lead screw 16 and rotate, under the drive of lead screw 16, make two swivel nuts 19 drive two cardboard 18 removals respectively, later two cardboard 18 are close to each other, then one of them cardboard 18 card is gone into between the slot of first gear 15, and another cardboard 18 card is gone into between the slot of second gear 17, thereby can carry out spacing fixed to first gear 15 and second gear 17, and then effectually prevent that valve block 13 from taking place to rotate, the sound construction is reliable, the control effect of valve has been improved greatly.

Furthermore, a fixing ring 11 is installed at one end of the inside of the water outlet pipe 6 close to the valve housing 1, a spring 10 is fixed at one side of the fixing ring 11, one end of the spring 10 far away from the fixing ring 11 is connected with a sliding ring 9, two sides of one end of the water outlet pipe 6 close to the telescopic pipe 7 are both penetrated with limiting rods 8, one ends of the two limiting rods 8 extending to the inside of the water outlet pipe 6 are both connected with the sliding ring 9, after the telescopic pipe 7 is put into the water outlet pipe 6 and connected with a pipeline, the sliding ring 9 can always have the trend of moving outwards under the matching of the fixing ring 11 and the spring 10, so that the telescopic pipe 7 can be tightly propped against the pipeline, the sliding ring 9 can be prevented from sliding again, the telescopic pipe 7 is prevented from contracting again, meanwhile, the sliding ring 9 can be more stably moved by the matching of the limiting rods 8, the stability of the, the screen 14 has the function of filtering the liquid, thereby preventing particles in the liquid from entering the valve housing 1, preventing the valve from being blocked and improving the safety.

Further, the inside of filter screen 14 is provided with double-deck filter screen layer, and the regulating wheel is installed to the outside one end that extends to adjusting frame 3 of valve rod 4, is convenient for rotate valve rod 4 through the regulating wheel.

Specifically, a first flange is installed at one end of the water inlet pipe 2, which is far away from the valve casing 1, and a second flange is fixed at one end of the telescopic pipe 7, which is far away from the water outlet pipe 6.

Specifically, the rubber sleeve is installed to the outer wall of fixed cover 5, and the rubber sleeve has skid-proof effect, and the outer wall of rubber sleeve is provided with the arch.

Specifically, the internally mounted of valve block 13 has the stiffener, through the intensity that the stiffener can effectual increase valve block 13, makes valve block 13 sturdy and durable more, and stiffener and dwang 12 mutually perpendicular.

The utility model discloses a theory of operation and use flow: when the utility model is used, the first gear 15 drives the second gear 17 to rotate by rotating the valve rod 4, so that the rotating rod 12 drives the valve plate 13 to rotate, and further the position of the valve plate 13 can be changed, so as to control the flow of the valve, then two fixing sleeves 5 can be rotated simultaneously, so that the fixing sleeves 5 drive the screw rod 16 to rotate, under the drive of the screw rod 16, two screw sleeves 19 respectively drive two clamping plates 18 to move, then the two clamping plates 18 are mutually close, then one clamping plate 18 is clamped between the tooth seams of the first gear 15, and the other clamping plate 18 is clamped between the tooth seams of the second gear 17, so that the first gear 15 and the second gear 17 can be limited and fixed, further the valve plate 13 is effectively prevented from rotating, the structure is firm and reliable, the control effect of the valve is greatly improved, in addition, under the cooperation of the fixing ring 11 and the spring 10, the slip ring 9 can always have the trend of outward movement, thereby can make flexible pipe 7 support tight pipeline, and then can prevent that sliding ring 9 from sliding once more, avoided flexible pipe 7 to shrink once more, simultaneously through the cooperation of gag lever post 8, more steady when can making sliding ring 9 remove, improved the stability of device greatly, can filter liquid through filter screen 14 to can prevent that the granule in the liquid from getting into in the valve casing 1, prevent the valve jam, improve the security.

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. Concertina type flange butterfly valve, its characterized in that: comprises a valve shell (1), a water inlet pipe (2) is installed at one end of the valve shell (1), a water outlet pipe (6) is fixed at the other end of the valve shell (1), one end, away from the valve shell (1), of the water outlet pipe (6) is connected with a telescopic pipe (7), the telescopic pipe (7) extends to one end inside the water outlet pipe (6) and is provided with a sliding ring (9), an adjusting frame (3) is installed at the top of the valve shell (1), a rotating rod (12) is movably connected in the middle of the inside of the valve shell (1) through a bearing, a valve block (13) is sleeved on the outer wall of the rotating rod (12), a second gear (17) is fixed at one end, extending to the inside of the adjusting frame (3), of the rotating rod (12), a valve rod (4) penetrates through one end at the top of the adjusting frame (3), a first gear (15) meshed with the second gear (17) is, the top that the inside both sides of alignment jig (3) are close to first gear (15) all has lead screw (16), two through bearing swing joint the swivel nut (19) are all installed to the outer wall of lead screw (16), two the bottom of swivel nut (19) all is fixed with cardboard (18), two fixed cover (5) are all installed to the one end that lead screw (16) extend to alignment jig (3) outside.

2. A telescoping flange butterfly valve according to claim 1, wherein: the utility model discloses a water outlet pipe, including outlet pipe (6), one end that the inside of outlet pipe (6) is close to valve casing (1) installs solid fixed ring (11), one side of solid fixed ring (11) is fixed with spring (10), the one end that solid fixed ring (11) were kept away from in spring (10) is connected with sliding ring (9), the one end both sides that outlet pipe (6) are close to flexible pipe (7) have all run through gag lever post (8), two gag lever post (8) extend to the inside one end of outlet pipe (6) and all are connected with sliding ring (9), filter screen (14) are all installed with the inside of flexible pipe (7) in oral siphon (2).

3. A telescoping flange butterfly valve according to claim 2, wherein: the double-layer filter screen layer is arranged inside the filter screen (14), and the adjusting wheel is installed at one end, extending to the outside of the adjusting frame (3), of the valve rod (4).

4. A telescoping flange butterfly valve according to claim 1, wherein: the one end that inlet tube (2) kept away from valve casing (1) is installed first flange, the one end that outlet pipe (6) were kept away from in flexible pipe (7) is fixed with the second flange.

5. A telescoping flange butterfly valve according to claim 1, wherein: the outer wall of the fixed sleeve (5) is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with a bulge.

6. A telescoping flange butterfly valve according to claim 1, wherein: the inside of valve block (13) is installed with the stiffener, and stiffener and dwang (12) mutually perpendicular.