CN211852828U

CN211852828U - Flange type bidirectional hard sealing flange butterfly valve

Info

Publication number: CN211852828U
Application number: CN201922282191.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-11-03
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a two-way hard seal flange butterfly valve of flange formula, which comprises a pipe body, both ends are equipped with flange structure, two about the body the flange structure all with body integrated into one piece, the inside intermediate position of body is equipped with the case, the second baffle passes through the top looks rigid coupling of bolt and body, the top both sides and the sleeve pipe looks rigid coupling of second pivot, the sleeve pipe slides with the slide bar and links to each other. This two-way hard seal flange butterfly valve of flange formula, through first pivot, the commentaries on classics piece, the cooperation of first baffle and second pivot, the control of case has been realized, through the flange body, the cooperation of recess and connecting hole, the connection of whole mechanism and external body has been realized, through managing the body, the spout, the draw-in groove, the slide bar body, the cooperation of dog and fixture block, control mechanism's moment when having realized whole mechanism and opening or close, thereby it is more laborsaving, and the bull stick is compared in the carousel be difficult for skidding, reduce the influence that oil stain and water stain opened the valve, increase the practicality.

Description

Flange type bidirectional hard sealing flange butterfly valve

Technical Field

The utility model relates to a flange butterfly valve technical field specifically is a two-way hard seal flange butterfly valve of flange formula.

Background

The hard sealing butterfly valve is also called flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline medium. The hard sealing butterfly valve mainly plays the roles of cutting off and throttling on the pipeline. 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. The hard seal butterfly valve can be divided into a manual hard seal butterfly valve, a pneumatic hard seal butterfly valve and an electric hard seal butterfly valve. When the existing flange type bidirectional hard sealing flange butterfly valve rotates, the moment of a rotary table is short, so that the flange type bidirectional hard sealing flange butterfly valve is hard to open and close, and at an emergency, if an operator is stained with oil stain or water stain on hand, the opening and closing efficiency of the flange type bidirectional hard sealing flange butterfly valve can be influenced, and serious consequences are generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way hard seal flange butterfly valve of flange formula to solve the two-way hard seal flange butterfly valve of current flange formula that proposes in the above-mentioned background art when rotating, the carousel moment is shorter, lead to the two-way hard seal flange butterfly valve of flange formula comparatively hard when opening and closing, in emergency, if the operator is stained with oil stain or water stain on hand can influence opening and closing efficiency of the two-way hard seal flange butterfly valve of flange formula, and then produce the problem of serious consequence.

In order to achieve the above object, the utility model provides a following technical scheme: the flange type bidirectional hard sealing flange butterfly valve comprises a pipe body, wherein flange structures are arranged at the left end and the right end of the pipe body, the flange structures are integrally formed with the pipe body, a valve core is arranged at the middle position inside the pipe body, the bottom of the valve core is fixedly connected with a bottom connecting mechanism, the bottom connecting mechanism is movably connected with the middle position of the bottom of the pipe body, the top end of the valve core is fixedly connected with the bottom end of a second rotating shaft, the second rotating shaft is movably connected with the pipe body through a sealing bearing, the second rotating shaft is sleeved with a second baffle, the second baffle is fixedly connected with the top end of the pipe body through a bolt, two sides of the top end of the second rotating shaft are fixedly connected with a sleeve, and the sleeve is connected with a sliding rod in.

Preferably, the flange structure comprises a flange body, grooves and connecting holes, the two flange bodies and two ends of the pipe body are integrally formed, the grooves are formed in the inner side of the flange body, and the connecting holes are formed in the outer side of the flange body.

Preferably, the bottom connecting mechanism comprises a first rotating shaft, a rotating block and a first baffle, the top end of the first rotating shaft is fixedly connected with the bottom end of the valve core, the first rotating shaft is movably connected with the pipe body through a sealing bearing, the bottom end of the first rotating shaft is fixedly connected with the rotating block, the first baffle is arranged below the rotating block, and the first baffle is fixedly connected with the pipe body through a bolt.

Preferably, the sleeve comprises a sleeve body, a sliding groove and a clamping groove, the sliding groove is formed in the upper side and the lower side of the sleeve body, the clamping groove is formed in one side, close to the second rotating shaft, of the sliding groove in the top end, and the clamping groove is formed in one side, far away from the second rotating shaft, of the sliding groove in the bottom end.

Preferably, the slide bar comprises a slide bar body, a stop block and a clamping block, the slide bar body is sleeved with the sleeve body in a sliding mode, two clamping blocks are fixedly connected to one side, close to the second rotating shaft, of the outer wall of the slide bar, and the stop block is fixedly connected to one side, far away from the second rotating shaft, of the slide bar.

Preferably, lubricating oil is coated between the sliding rod body and the sleeve body, and anti-skidding lines are processed on the outer wall of the stop block.

Compared with the prior art, the beneficial effects of the utility model are that: this two-way hard seal flange butterfly valve of flange formula, through first pivot, the commentaries on classics piece, the cooperation of first baffle and second pivot, the control of case has been realized, through the flange body, the cooperation of recess and connecting hole, the connection of whole mechanism and external body has been realized, through managing the body, the spout, the draw-in groove, the slide bar body, the cooperation of dog and fixture block, control mechanism's moment when having realized whole mechanism and opening or close, thereby it is more laborsaving, and the bull stick is compared in the carousel be difficult for skidding, reduce the influence that oil stain and water stain opened the valve, increase the practicality.

Drawings

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

FIG. 2 is a schematic view of the first baffle and the rotating block of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1;

fig. 4 is a schematic structural diagram of the present invention.

In the figure: 1. the pipe body, 2, flange structure, 201, flange body, 202, recess, 203, connecting hole, 3, bottom coupling mechanism, 301, first pivot, 302, commentaries on classics piece, 303, first baffle, 4, case, 5, second pivot, 6, second baffle, 7, sleeve pipe, 701, sleeve pipe body, 702, spout, 703, draw-in groove, 8, slide bar, 801, slide bar body, 802, dog, 803, fixture block.

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. 1-4, the present invention provides a technical solution: the utility model provides a two-way hard seal flange butterfly valve of flange formula, including body 1, both ends are equipped with flange structure 2 about body 1, two flange structure 2 all with body 1 integrated into one piece, the inside intermediate position of body 1 is equipped with case 4, case 4 is two eccentric case, the bottom of

case

4 and 3 looks rigid couplings of bottom coupling mechanism, bottom coupling mechanism 3 links to each other with the bottom intermediate position activity of body 1, the top of case 4 and the bottom looks rigid coupling of second pivot 5, second pivot 5 links to each other with body 1 activity through sealed bearing, second pivot 5 cup joints with second baffle 6 mutually, second baffle 6 passes through bolt and the top looks rigid coupling of body 1, the top both sides of second pivot 5 and sleeve pipe 7 looks rigid coupling, sleeve pipe 7 links to each other with slide bar 8 slip.

Flange structure 2 includes flange body 201, recess 202 and connecting hole 203, and two flange bodies 201 and the both ends integrated into one piece of body 1 are seted up flutedly 202 in the inboard of flange body 201, place the sealing washer in the recess 202 in order to increase joint strength, and a plurality of connecting holes 203 have been seted up in the outside of flange body 201, and connecting hole 203 is used for whole mechanism and external body to be linked together. The bottom connecting mechanism 3 comprises a first rotating shaft 301, a rotating block 302 and a first baffle 303, the top end of the first rotating shaft 301 is fixedly connected with the bottom end of the valve core 4, the first rotating shaft 301 is movably connected with the pipe body 1 through a sealing bearing, the bottom end of the first rotating shaft 301 is fixedly connected with the rotating block 302, the first baffle 303 is arranged below the rotating block 302, and the first baffle 303 is fixedly connected with the pipe body 1 through a bolt.

The sleeve 7 includes a sleeve body 701, a sliding groove 702 and a clamping groove 703, the sliding groove 702 is provided on both upper and lower sides of the sleeve body 701, the clamping groove 703 is provided on one side of the top sliding groove 702 close to the second rotating shaft 5, and the clamping groove 703 is provided on one side of the bottom sliding groove 702 away from the second rotating shaft 5. The sliding rod 8 comprises a sliding rod body 801, a stop block 802 and a stop block 803, the sliding rod body 801 is in sliding sleeve connection with the sleeve body 701, two stop blocks 803 are fixedly connected to one side, close to the second rotating shaft 5, of the outer wall of the sliding rod 8, and the stop block 802 is fixedly connected to one side, far away from the second rotating shaft 5, of the sliding rod 8. Lubricating oil is coated between the sliding rod body 801 and the sleeve pipe body 701, and anti-skidding lines are machined on the outer wall of the stop block 802.

The sealing ring is placed in the groove 202 of the flange structure 2, the groove 202 of the flange structure 2 is aligned with the external pipe, the whole mechanism is communicated with the external pipe through the connecting hole 203 of the flange structure 2, when the whole mechanism needs to be opened or closed, the stop 802 of the slide rod 8 is held, the stop 802 of the slide rod 8 drives the slide rod body 801 to rotate 90 degrees, so that the fixture block 803 slides out of the clamping groove 703, the stop 802 of the slide rod 8 is pulled outwards, the slide rod body 801 drives the fixture block 803 to slide outwards along the sliding groove 702 of the sleeve 7, when the fixture block 803 slides to the outermost side of the sliding groove 702, the stop 802 is rotated, the stop 802 drives the slide rod body 801 to rotate 90 degrees, the fixture block 803 is cut into the clamping groove, the sleeve 7 and the slide rod 8 are pulled to rotate by the second rotating shaft 5, the second rotating shaft 5 drives the valve core 4 to rotate, so that the inside of the pipe body, repeating the above operations to rotate reversely.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 a two-way hard seal flange butterfly valve of flange formula, includes body (1), its characterized in that: the left end and the right end of the pipe body (1) are provided with flange structures (2), the two flange structures (2) are integrally formed with the pipe body (1), a valve core (4) is arranged in the middle of the interior of the tube body (1), the bottom of the valve core (4) is fixedly connected with the bottom connecting mechanism (3), the bottom connecting mechanism (3) is movably connected with the middle position of the bottom of the pipe body (1), the top end of the valve core (4) is fixedly connected with the bottom end of the second rotating shaft (5), the second rotating shaft (5) is movably connected with the pipe body (1) through a sealing bearing, the second rotating shaft (5) is sleeved with a second baffle (6), the second baffle (6) is fixedly connected with the top end of the pipe body (1) through a bolt, two sides of the top end of the second rotating shaft (5) are fixedly connected with a sleeve (7), and the sleeve (7) is connected with a sliding rod (8) in a sliding manner.

2. The flange-type bidirectional hard seal flange butterfly valve of claim 1, wherein: the flange structure (2) comprises a flange body (201), a groove (202) and connecting holes (203), the two ends of the flange body (201) and the two ends of the pipe body (1) are integrally formed, the groove (202) is formed in the inner side of the flange body (201), and the connecting holes (203) are formed in the outer side of the flange body (201).

3. The flange-type bidirectional hard seal flange butterfly valve of claim 1, wherein: bottom coupling mechanism (3) include first pivot (301), commentaries on classics piece (302) and first baffle (303), the top of first pivot (301) and the bottom looks rigid coupling of case (4), first pivot (301) pass through sealed bearing and body (1) activity and link to each other, the bottom and the commentaries on classics piece (302) looks rigid coupling of first pivot (301), the below of commentaries on classics piece (302) is equipped with first baffle (303), first baffle (303) pass through bolt and body (1) looks rigid coupling.

4. The flange-type bidirectional hard seal flange butterfly valve of claim 1, wherein: the sleeve (7) comprises a sleeve body (701), a sliding groove (702) and a clamping groove (703), the sliding groove (702) is formed in the upper side and the lower side of the sleeve body (701), the clamping groove (703) is formed in one side, close to the second rotating shaft (5), of the sliding groove (702) in the top end, and the clamping groove (703) is formed in one side, far away from the second rotating shaft (5), of the sliding groove (702) in the bottom end.

5. The flange-type bidirectional hard seal flange butterfly valve of claim 1, wherein: the sliding rod (8) comprises a sliding rod body (801), a stop block (802) and a clamping block (803), the sliding rod body (801) is in sliding sleeve connection with the sleeve body (701), two clamping blocks (803) are fixedly connected to one side, close to the second rotating shaft (5), of the outer wall of the sliding rod (8), and the stop block (802) is fixedly connected to one side, far away from the second rotating shaft (5), of the sliding rod (8).

6. The flange-type bidirectional hard seal flange butterfly valve of claim 5, wherein: lubricating oil is coated between the sliding rod body (801) and the sleeve body (701), and anti-skidding lines are machined on the outer wall of the stop block (802).