CN214367828U - Track type hard sealing butterfly valve - Google Patents

Abstract

The utility model relates to the technical field of valve equipment, and a track type butterfly valve sealed firmly is disclosed, which comprises a valve body, the inside movable mounting of valve body has the valve, the shape of valve is the same with the internal diameter of valve body for the diameter of circular and valve, the middle part fixed mounting of valve has the connecting axle, the connecting axle runs through the upper and lower both ends of valve body. This track type butterfly valve sealed firmly, install the fly leaf and seted up limit guide in the bottom of fly leaf through the top at the connecting axle, when needing to carry out the switch to the valve body, the accessible rotates the handle and can drives the rotation of initiative bevel gear and drive driven bevel gear's rotation, the fly leaf is rotatory thereupon this moment, the limit guide of fly leaf bottom moves relatively the stopper immediately herein simultaneously, the biggest turned angle to the connecting axle limits, can prevent to take place the slope when the connecting axle is rotatory simultaneously, and realize the rotation of valve and realize the switch, thereby realized the advantage that can prevent to appear the slope when the valve is rotatory.

Description

Track type hard sealing butterfly valve

Technical Field

The utility model relates to a valve equipment technical field specifically is track type butterfly valve sealed firmly.

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 closing member (a valve clack or a butterfly plate) 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.

The application of butterfly valve is comparatively extensive among the urban pipeline that uses at present, the butterfly valve structure that uses at present is different greatly, mainly all be the valve that utilizes the disc realize closing of pipeline, but at the closing in-process, only rely on the switch of columniform transmission shaft realization disc, lead to the disc to appear inclining easily after using for a long time, influence sealed effect, the inside of pipeline can have foreign matter and silt to mix in aqueous simultaneously, the impact of foreign matter and silt leads to the impaired result of use in valve department easily when the long-time use of butterfly valve.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a track type butterfly valve sealed firmly possesses the advantage that can prevent to appear inclining when the valve is rotatory, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: track type butterfly valve sealed firmly, including the valve body, the inside movable mounting of valve body has the valve, the shape of valve is the same for the diameter of circular and valve and the internal diameter of valve body, the middle part fixed mounting of valve has the connecting axle, the connecting axle runs through the upper and lower both ends of valve body, the valve passes through the connecting axle and is connected with the valve body rotation, the top fixed mounting of connecting axle has the movable rod, the top fixed mounting of movable rod has the fly leaf, limit guide has all been seted up to the left and right sides of fly leaf bottom, the top of valve body is equipped with the seal box that is located the connecting axle top, the bottom fixed mounting of seal box has the fixing base, fixed connection between the top that the seal box passes through fixing base and valve body.

Preferably, the stopper is all installed to the upper and lower both sides on seal box inner chamber top symmetrically, the fly leaf passes through spacing guide rail and stopper activity joint.

Preferably, the top end of the movable plate is fixedly provided with a driving bevel gear, the right side of the top end of the driving bevel gear is meshed with a driven bevel gear, and the right end of the driven bevel gear is fixedly provided with a handle penetrating through the right side of the seal box.

Preferably, the equal fixed mounting in tow sides of valve body has sealed the pad, the equal fixed mounting in tow sides of valve body has the water storage chamber that is located sealed lateral surface of pad, the equal movable mounting in top of water storage chamber inner chamber has the impeller.

Preferably, the equal fixed mounting in front of retaining chamber has the filter screen, the decompression groove has all been seted up on the positive and negative two sides of valve, the fixed orifices has all been seted up to the equal symmetry in positive and negative two sides of valve body.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this track type butterfly valve sealed firmly, there is the valve through the inside movable mounting at the valve body, and rotate between the mid-mounting at the valve and be connected between connecting axle and the valve body, and install the fly leaf on the top of connecting axle and seted up limit guide in the bottom of fly leaf, when needing to switch the valve body, the accessible rotates the handle and can drive the rotation of drive bevel gear and drive driven bevel gear's rotation, the fly leaf is rotatory thereupon this moment, the limit guide of fly leaf bottom immediately moves relative stopper simultaneously here, the biggest turned angle to the connecting axle limits, can prevent to take place the slope when the connecting axle is rotatory simultaneously, and realize the rotation realization switch of valve, thereby realized the advantage that can prevent to appear the slope when the valve is rotatory.

2. This rail mounted butterfly valve sealed firmly, install the retaining chamber through the tow ends at the valve body, and be fixed with the filter screen in the front in retaining chamber, and the internally mounted in retaining chamber has the impeller, fix between the fixed orifices on accessible valve body surface and the pipeline when using, when the inside rivers impact the valve body of pipeline, the accessible filter screen filters rivers, and the inside silt of valve body is dispersed to the rotation of the motion drive impeller of accessible rivers, avoid the continuous impact to the valve, increase life, thereby multiplicable valve body life's advantage has been realized.

Drawings

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

FIG. 2 is an exploded view of the filter screen structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the sealing box of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4.

In the figure: 1. a valve body; 2. a fixing hole; 3. a gasket; 4. a water storage cavity; 5. filtering with a screen; 6. an impeller; 7. a valve; 8. a pressure reducing tank; 9. a connecting shaft; 10. a sealing box; 11. a fixed seat; 12. a limiting block; 13. a movable rod; 14. a movable plate; 15. limiting a guide rail; 16. a drive bevel gear; 17. a driven bevel gear; 18. a handle.

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, a rail-mounted hard seal butterfly valve includes a valve body 1, a valve 7 is movably mounted inside the valve body 1, the valve 7 is circular and has a diameter equal to an inner diameter of the valve body 1, a connecting shaft 9 is fixedly mounted in the middle of the valve 7, the connecting shaft 9 penetrates through upper and lower ends of the valve body 1, the valve 7 is rotatably connected to the valve body 1 through the connecting shaft 9, a movable rod 13 is fixedly mounted at a top end of the connecting shaft 9, a movable plate 14 is fixedly mounted at a top end of the movable rod 13, limit guide rails 15 are respectively disposed on left and right sides of a bottom end of the movable plate 14, a seal box 10 located above the connecting shaft 9 is disposed at the top end of the valve body 1, a fixing seat 11 is fixedly mounted at a bottom end of the seal box 10, and the seal box 10 is fixedly connected to the top end of the valve body 1 through the fixing seat 11.

The upper side and the lower side of the top end of the inner cavity of the seal box 10 are symmetrically provided with limit blocks 12, the movable plate 14 is movably clamped with the limit blocks 12 through limit guide rails 15, and due to the movable clamping of the limit guide rails 15 and the limit blocks 12, when the movable plate 14 rotates, the limit guide rails 15 at the bottom end of the movable plate 14 immediately move relative to the limit blocks 12, so that the maximum rotation angle of the connecting shaft 9 can be limited.

Wherein, the top fixed mounting of fly leaf 14 has drive bevel gear 16, the right side meshing on drive bevel gear 16 top is connected with driven bevel gear 17, driven bevel gear 17's right-hand member fixed mounting has the handle 18 that runs through the seal box 10 right side, when needing to open and close valve body 1, accessible rotates handle 18 and can drive the rotation of drive bevel gear 16 and drive driven bevel gear 17's rotation, and drive the rotation of fly leaf 14 and movable rod 13 and connecting axle 9 of bottom, and the rotation that drives valve 7 realizes the switching.

Wherein, the equal fixed mounting in tow sides of valve body 1 has sealed the pad 3, and the equal fixed mounting in tow sides of valve body 1 has the water storage chamber 4 that is located sealed 3 lateral surfaces of pad, and the equal movable mounting in top of 4 inner chambers in water storage chamber has impeller 6, and the sealed leakproofness that fills up 3 multiplicable water storage chambers 4 of pad, the motion of accessible rivers simultaneously drives the rotation of impeller 6 and breaks up the inside silt that gets into valve body 1.

Wherein, the equal fixed mounting in front of retaining chamber 4 has filter screen 5, and the pressure reduction groove 8 has all been seted up on valve 7 tow sides, and fixed orifices 2 have been seted up to the equal symmetry in tow sides of valve body 1, fixes between fixed orifices 2 on 1 surface of accessible valve body and the pipeline, and pressure reduction groove 8 can alleviate valve 7's weight and make its convenient switch, and filter screen 5 can filter the entering that prevents the foreign matter to rivers simultaneously.

The working principle is as follows: when the rail type hard sealing butterfly valve is used, the fixing hole 2 on the surface of the valve body 1 and a pipeline can be fixed, when water flow inside the pipeline impacts the valve body 1, the water flow can be filtered through the filter screen 5, and the movement of the water flow can drive the impeller 6 to rotate to disperse silt entering the valve body 1, so that continuous impact on the valve 7 is avoided.

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 (5)

1. Rail mounted butterfly valve sealed firmly, including valve body (1), its characterized in that: a valve (7) is movably arranged in the valve body (1), the valve (7) is circular, the diameter of the valve (7) is the same as the inner diameter of the valve body (1), a connecting shaft (9) is fixedly arranged in the middle of the valve (7), the connecting shaft (9) penetrates through the upper end and the lower end of the valve body (1), the valve (7) is rotationally connected with the valve body (1) through a connecting shaft (9), a movable rod (13) is fixedly arranged at the top end of the connecting shaft (9), a movable plate (14) is fixedly arranged at the top end of the movable rod (13), the left side and the right side of the bottom end of the movable plate (14) are both provided with a limiting guide rail (15), the top end of the valve body (1) is provided with a sealing box (10) positioned above the connecting shaft (9), the bottom fixed mounting of seal box (10) has fixing base (11), fixed connection between the top of seal box (10) through fixing base (11) and valve body (1).

2. The orbital hard-seal butterfly valve of claim 1, wherein: stopper (12) are all installed to the upper and lower both sides on seal box (10) inner chamber top symmetrically, fly leaf (14) pass through spacing guide rail (15) and stopper (12) activity joint.

3. The orbital hard-seal butterfly valve of claim 1, wherein: the top fixed mounting of fly leaf (14) has drive bevel gear (16), the right side meshing on drive bevel gear (16) top is connected with driven bevel gear (17), the right-hand member fixed mounting of driven bevel gear (17) has handle (18) that runs through seal box (10) right side.

4. The orbital hard-seal butterfly valve of claim 1, wherein: the equal fixed mounting in tow sides of valve body (1) has sealed the pad (3), the equal fixed mounting in tow sides of valve body (1) has water storage chamber (4) that are located sealed pad (3) lateral surface, the equal movable mounting in top of water storage chamber (4) inner chamber has impeller (6).

5. The orbital hard seal butterfly valve of claim 4, wherein: the positive equal fixed mounting in retaining chamber (4) has filter screen (5), decompression groove (8) have all been seted up on valve (7) tow sides, fixed orifices (2) have been seted up to the equal symmetry in tow sides of valve body (1).

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