CN210566957U

CN210566957U - High leakproofness central line butterfly valve

Info

Publication number: CN210566957U
Application number: CN201921297177.7U
Authority: CN
Inventors: 牛桂风
Original assignee: Tianjin Yuanjuwei Valve Manufacturing Co Ltd
Current assignee: Tianjin Yuanjuwei Valve Manufacturing Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-05-19
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a high leakproofness central line butterfly valve, including the valve body, valve body both sides are the fixed first flange that is provided with all, a side surface activity interlude that the valve body was kept away from to first flange is provided with a plurality of bolts, and is a plurality of the bolt one end activity interlude of keeping away from first flange is provided with the second flange, the fixed pipeline that is provided with in one side that first flange was kept away from to the second flange, the mounting groove has been seted up to first flange inboard, the fixed sealing washer that is provided with in one side that second flange is close to first flange, valve body surface both sides are all fixed and are provided with first magic subsides, first magic is pasted the outside surface and is provided with the subsides of second magic. The utility model discloses the result of use is better, can effectively protect first flange and second flange's junction, prevents that first flange and second flange's junction from taking place the corrosion.

Description

High leakproofness central line butterfly valve

Technical Field

The utility model relates to the technical field of valving specifically is a high leakproofness central line 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 which is opened and closed by rotating around a valve shaft, wherein a valve clack or a butterfly plate of a closing member is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. 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.

However, although the valve sealing effect of the currently used center line butterfly valve is good, the flange joint of the center line butterfly valve is easily corroded by rainwater when in use, so that the screw at the joint is rusted and corroded, the service life of the center line butterfly valve is shortened, or the center line butterfly valve is inconvenient to disassemble after corrosion, and is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high leakproofness central line butterfly valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-tightness center line butterfly valve comprises a valve body, wherein a first connecting flange is fixedly arranged on two sides of the valve body, a plurality of bolts are movably and alternately arranged on the surface of one side, away from the valve body, of the first connecting flange, a second connecting flange is movably and alternately arranged at one end, away from the first connecting flange, of the bolts, a pipeline is fixedly arranged on one side, away from the first connecting flange, of the second connecting flange, a mounting groove is formed in the inner side of the first connecting flange, a sealing ring is fixedly arranged on one side, close to the first connecting flange, of the second connecting flange, first magic tapes are fixedly arranged on two sides of the surface of the valve body, second magic tapes are arranged on the outer side surface of the first magic tapes, supports are fixedly arranged at the upper ends and the lower ends of the second magic tapes, and connecting rods are fixedly arranged at one ends, away from the second magic tapes, of the, rain-proof cloth is fixedly arranged between the connecting rods.

Preferably, the fixed surface in the outside of second magic subsides is provided with the pull ring, can conveniently tear the second magic subsides through the pull ring.

Preferably, the connecting rod is kept away from the fixed water conservancy diversion piece that is provided with of one end between, can make the rainwater fall when keeping off rain cloth upper end whereabouts through the water conservancy diversion piece, one side of keeping away from rain cloth is kept away from to the flow direction, prevents that the rainwater from flowing into inside the rain cloth to further improve device's protecting effect.

Preferably, the side wall of the inner side of the mounting groove is provided with a rubber pad, and when the sealing ring is mounted and inserted into the mounting groove, the rubber pad can be tightly attached to the sealing ring through the tension of the rubber pad to achieve a further sealing effect.

Preferably, the middle part of the outer side surface of the valve body is fixedly provided with a storage box, and a plurality of tools necessary for maintaining the valve or sealing gaskets needing to be replaced in the valve can be conveniently stored through the storage box.

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

1. the utility model discloses a thereby first magic is pasted adhesion second magic and is pasted and establish the cloth cover that keeps off the rain in the first flange and the second flange outside to can play the effect that keeps off the rain for first flange and second flange, prevent that the bolted connection department of first flange and second flange from taking place the corrosion, thereby improve device's life and result of use.

2. The utility model discloses a thereby the pull ring can conveniently tear the second magic subsides and dismantle rain-proof cloth and connecting rod get off, and the rethread passes through the water conservancy diversion piece can be so that the rainwater falls when rain-proof cloth upper end whereabouts, and one side of rain-proof cloth is kept away from to the flow direction, prevents that the rainwater from flowing into inside the rain-proof cloth to further improve device's protecting effect.

Drawings

Fig. 1 is a schematic view of the overall structure of a center line butterfly valve with high sealing performance;

fig. 2 is an enlarged view of a position a in fig. 1 of a butterfly valve with a high sealing performance according to the present invention;

fig. 3 is the utility model relates to a connection view of the first flange of high leakproofness central line butterfly valve and mounting groove.

In the figure: 1. a valve body; 2. a first connecting flange; 3. a bolt; 4. a second connecting flange; 5. a pipeline; 6. mounting grooves; 7. a seal ring; 8. a first magic tape; 9. a second magic tape; 10. a support; 11. a connecting rod; 12. a rain cloth; 13. a pull ring; 14. a flow guide block; 15. a storage box.

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 a technical solution: a high-tightness center line butterfly valve comprises a valve body 1, the valve body 1, a first connecting flange 2 is fixedly arranged on both sides of the valve body 1, a plurality of bolts 3 are movably inserted and arranged on the surface of one side of the first connecting flange 2, which is far away from the valve body 1, a second connecting flange 4 is movably inserted and arranged on one end of the plurality of bolts 3, which is far away from the first connecting flange 2, a pipeline 5 is fixedly arranged on one side of the second connecting flange 4, which is far away from the first connecting flange 2, an installation groove 6 is arranged on the inner side of the first connecting flange 2, a sealing ring 7 is fixedly arranged on one side of the second connecting flange 4, which is close to the first connecting flange 2, first magic tapes 8 are fixedly arranged on both sides of the surface of the valve body 1, second magic tapes 9 are arranged on the surface of the outer side of the first magic tapes 8, and a support 10 is fixedly arranged at the upper, the fixed connecting rod 11 that is provided with of one end that keeps away from second magic subsides 9 of support 10, fixed rain cloth 12 that is provided with between the connecting rod 11.

A pull ring 13 is fixedly arranged on the outer side surface of the second magic tape 9, the second magic tape 9 can be conveniently torn off through the pull ring 13, a flow guide block 14 is fixedly arranged at one end of the connecting rod 11 far away from the connecting rod, when the rainwater falls on the upper end of the rain shielding cloth 12, the flow guide block 14 can make the rainwater flow to the side far away from the rain shielding cloth 12, so as to prevent the rainwater from flowing into the rain shielding cloth 12, thereby further improving the protection effect of the device, the side wall of the inner side of the installation groove 6 is provided with a rubber pad, when the sealing ring 7 is installed and inserted into the installation groove 6 through a rubber pad, the sealing ring 7 is tightly attached to the rubber pad through the tension of the rubber pad to achieve a further sealing effect, the storage tank 15 is fixedly arranged in the middle of the outer side surface of the valve body 1, the storage box 15 can be used to store tools necessary for repairing the valve or sealing gaskets inside the valve to be replaced.

The working principle is as follows: when the device is used, the bolts 3 are screwed through the nuts to connect the first connecting flange 2 and the second connecting flange 4 with each other to complete installation, so that the pipeline 5 and the valve body 1 are installed together, when the first connecting flange 2 and the second connecting flange 4 are connected with each other to complete installation, the sealing ring 7 is inserted into the installation groove 6 to play a sealing effect, and at the moment, the tension of the rubber gasket in the installation groove 6 can be tightly attached to the sealing ring 7 to play a further sealing effect, when the device is used, the first magic tape 8 is adhered to the second magic tape 9 to sleeve the rain blocking cloth 12 on the outer sides of the first connecting flange 2 and the second connecting flange 4, so that the rain blocking effect can be played for the first connecting flange 2 and the second connecting flange 4, the joint of the first connecting flange 2 and the second connecting flange 4 is prevented from being rusted, and the service life and the use effect of the device are improved, and thereby can conveniently tear off second magic subsides 9 through pull ring 13 and dismantle cloth 12 with connecting rod 11 and get off, the rethread can make the rainwater fall when cloth 12 upper ends whereabouts of keeping off the rain through water conservancy diversion piece 14, and one side of cloth 12 of keeping away from keeps off the rain is kept away from to the flow direction, prevents that the rainwater from flowing into inside cloth 12 of keeping off the rain to further improve the protecting effect of device, this is exactly the utility model relates to a high leakproofness central line butterfly valve's theory of operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 high leakproofness central line butterfly valve, includes valve body (1), its characterized in that: the valve comprises a valve body (1), wherein first connecting flanges (2) are fixedly arranged on two sides of the valve body (1), a plurality of bolts (3) are movably and alternately arranged on one side surfaces, far away from the valve body (1), of the first connecting flanges (2), a second connecting flange (4) is movably and alternately arranged on one end, far away from the first connecting flange (2), of the bolts (3), a pipeline (5) is fixedly arranged on one side, far away from the first connecting flange (2), of the second connecting flange (4), a mounting groove (6) is formed in the inner side of the first connecting flange (2), a sealing ring (7) is fixedly arranged on one side, close to the first connecting flange (2), of the second connecting flange (4), first magic tapes (8) are fixedly arranged on two sides of the surface of the valve body (1), and second magic tapes (9) are arranged on the outer side surfaces of the first magic tapes (8), the upper end and the lower end of the second magic tape (9) are fixedly provided with a support (10), one end, far away from the second magic tape (9), of the support (10) is fixedly provided with a connecting rod (11), and a rain shielding cloth (12) is fixedly arranged between the connecting rods (11).

2. The high-sealability center-line butterfly valve of claim 1, wherein: and a pull ring (13) is fixedly arranged on the surface of the outer side of the second magic tape (9).

3. The high-sealability center-line butterfly valve of claim 1, wherein: one end of the connecting rod (11) far away from the middle is fixedly provided with a flow guide block (14).

4. The high-sealability center-line butterfly valve of claim 1, wherein: and a rubber pad is arranged on the inner side wall of the mounting groove (6).

5. The high-sealability center-line butterfly valve of claim 1, wherein: the middle part of the outer side surface of the valve body (1) is fixedly provided with a storage box (15).