CN211117863U

CN211117863U - Sanitary grade fast-assembling butterfly valve structure

Info

Publication number: CN211117863U
Application number: CN201921449105.XU
Authority: CN
Inventors: 沈超
Original assignee: Zhejiang Chaofei Technology Co ltd
Current assignee: Zhejiang Chaofei Technology Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-07-28
Anticipated expiration: 2029-09-03

Abstract

The embodiment of the application discloses sanitary-grade fast-assembling butterfly valve structure, including two valve bodies that size, shape are the same, the both ends of valve body all are equipped with fixed ear, and the threaded sleeve is equipped with the bolt on the fixed ear, and two valve bodies pass through bolt fixed connection, and the seal groove has been seted up to one side of fixed ear bottom, is equipped with the stagnant water pad in the seal groove between two fixed ears on two valve bodies. This sanitary-grade fast-assembling butterfly valve structure, through two upper and lower independent parts with valve body and sealing washer split one-tenth, thereby make things convenient for the installation of this butterfly valve and the dismantlement clearance and the maintenance work of epilogue, the seal groove is seted up through the junction at two fixed ears of valve body to this structure simultaneously, and utilize the stagnant water pad to seal it, thereby improve the leakproofness after two valve body equipment, and this structure utilizes the sealed locating piece that sets up at two sealing washer both ends, improve two valve body equipment backs, the leakproofness between two sealing washers, and also made things convenient for the location installation between two sealing washers simultaneously.

Description

Sanitary grade fast-assembling butterfly valve structure

Technical Field

The application relates to the butterfly valve field, more specifically relates to a sanitary-grade fast-assembling butterfly valve structure.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (valve clack or butterfly plate) as a disc and rotating around a valve shaft to achieve opening and closing.

The butterfly valve of sanitary-grade is often used in the higher occasion of cleanliness factor grades such as pharmacy, this just makes the sanitary-grade butterfly valve need often wash, however, current butterfly valve body is whole usually, can't dismantle, it is troublesome to lead to the butterfly valve to wash, the washing is unclean, and current butterfly valve feed liquor end does not possess filtering mechanism, lead to impurity constantly to strike the case and adsorb easily on case and the sealing washer that the case was located, thereby increase the wearing and tearing between case and the sealing washer, lead to the emergence of leaking, the life of butterfly valve has been reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem, this application has provided a sanitary-grade fast-assembling butterfly valve structure, possess easy installation, dismantle, improve butterfly valve life's advantage, it is whole usually to have solved current butterfly valve body, can't dismantle, it is troublesome to lead to the butterfly valve to wash, wash unclean, and current butterfly valve feed liquor end does not possess filtering mechanism, lead to impurity constantly to strike the case and adsorb easily on the sealing washer that case and case were located, thereby increase the wearing and tearing between case and the sealing washer, lead to the emergence of leakage, the problem of butterfly valve life has been reduced.

The utility model provides a following technical scheme: a pair of glasses with a telescopic crossbeam comprises two valve bodies with the same size and shape, wherein two ends of each valve body are respectively provided with a fixing lug, each fixing lug is provided with a bolt in a threaded sleeve manner, the two valve bodies are fixedly connected through the bolts, one side of the bottom of each fixing lug is provided with a sealing groove, a water stop pad is arranged in the sealing groove between the two fixing lugs on the two valve bodies, the inner walls of the two valve bodies are respectively surrounded by a sealing ring which is semicircular, the two ends of each sealing ring are respectively provided with a sealing positioning block, a valve core is arranged in each valve body, a positioning groove is formed in the inner wall of the water inlet end of each valve body, a frame is movably sleeved in each positioning groove, a filter screen is arranged in the middle of each frame, a sealing plate is fixedly connected to the top of each frame, a sealing gasket is movably sleeved in each positioning groove at, the bottom of the three-way pipe is fixedly sleeved with a slag discharge pipe, and the bottom of the slag discharge pipe is sleeved with an end cover in a threaded manner.

Preferably, the number of the sealing rings is two, and the two sealing positioning blocks at the two ends of the sealing rings are movably connected.

Preferably, the quantity of constant head tank has two, two the constant head tank is located the top and the bottom of two valve bodies respectively, one the constant head tank that is located the valve body top is the T style of calligraphy, and one is located the constant head tank on valve body top and the top activity of closing plate, sealed pad and frame is cup jointed, two the constant head tank position corresponds and runs through two sealing washers respectively.

Preferably, the sealing gasket is movably sleeved on the top of the frame, and the sealing gasket is movably sleeved between the positioning groove and the sealing plate.

Preferably, the size of the sealing plate is matched with that of the positioning groove, and the sealing plate is fixedly connected with the valve body through a bolt.

Preferably, one end of the three-way pipe is positioned at one side of the bottom of the filter screen, the filter screen is fixedly sleeved in the other end of the three-way pipe, and two ends of the three-way pipe are communicated with the inner cavity of the valve body.

The application provides a pair of sanitary-grade fast-assembling butterfly valve structure possesses following beneficial effect:

1. this sanitary-grade fast-assembling butterfly valve structure, through two upper and lower independent parts with valve body and sealing washer split one-tenth, thereby make things convenient for the installation of this butterfly valve and the dismantlement clearance and the maintenance work of epilogue, the seal groove is seted up through the junction at two fixed ears of valve body to this structure simultaneously, and utilize the stagnant water pad to seal it, thereby improve the leakproofness after two valve body equipment, and this structure utilizes the sealed locating piece that sets up at two sealing washer both ends, improve two valve body equipment backs, the leakproofness between two sealing washers, and also made things convenient for the location installation between two sealing washers simultaneously.

2. The sanitary fast-assembling butterfly valve structure has the advantages that the filter screen is arranged at the water inlet end of the valve body at one side of the valve core, fluid before entering the valve core is filtered, impurities in the fluid are prevented from continuously washing the valve core and adsorbed on the sealing ring where the valve core and the valve core are positioned, friction force between the valve core and the sealing ring is increased, abrasion is increased, the service life of the butterfly valve is effectively prolonged, leakage caused by transitional friction between the valve core and the sealing ring is reduced, meanwhile, the impurities filtered by the filter screen are continuously deposited and fall into the three-way pipe through the three-way pipe at one side of the bottom of the filter screen, the impurities at the other end of the three-way pipe pass through the filter screen, the impurities in the three-way pipe cannot flow back into the valve body, normal flow of the fluid in the three-way pipe is ensured, and the impurities collected in the three-way pipe can be cleaned, the cleaning is convenient and simple.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front view of the present invention;

fig. 2 is a side sectional view of the structure valve body of the present invention.

In the figure: 1. a valve body; 2. fixing the ear; 3. a bolt; 4. a sealing groove; 5. a water stop pad; 6. a seal ring; 7. sealing the positioning block; 8. a valve core; 9. positioning a groove; 10. a frame; 11. a filter screen; 12. a sealing plate; 13. a gasket; 14. a three-way pipe; 15. a slag discharge pipe; 16. an end cap; 17. and the water is prevented from passing through a filter screen.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1-2, a sanitary fast-assembling butterfly valve structure comprises two valve bodies 1 with the same size and shape, wherein two ends of the valve body 1 are respectively provided with a fixing lug 2, the fixing lugs 2 are sleeved with a bolt 3 through threads, the two valve bodies 1 are fixedly connected through the bolt 3, one side of the bottom of each fixing lug 2 is provided with a sealing groove 4, through the matching of the sealing grooves 4 arranged on the two fixing lugs 2 corresponding to the positions of the two valve bodies 1 and a water stop pad 5, the joint of the two assembled valve bodies 1 is conveniently sealed, the sealing effect of the assembled butterfly valve is improved, the leakage is avoided, the water stop pad 5 is arranged in the sealing groove 4 between the two fixing lugs 2 on the two valve bodies 1, the inner walls of the two valve bodies 1 are respectively surrounded by a sealing ring 6, the number of the sealing rings 6 is two, the sealing positioning blocks 7 at two ends of the two sealing rings 6 are movably, and the two ends of the sealing ring 6 are all provided with the sealing positioning blocks 7, the two semicircular sealing rings 6 and the sealing positioning blocks 7 at the two ends of the two semicircular sealing rings 6 are utilized, on one hand, the positioning assembly of the two sealing rings 6 is facilitated, on the other hand, the sealing effect at the joint of the two sealing rings 6 is improved, compared with the structure adopting an integral sealing ring, the structure can be fixedly arranged on the inner wall of the valve body 1 before the two valve bodies 1 are assembled, the installation is more convenient and simple, the valve core 8 is arranged in the valve body 1, the positioning groove 9 is arranged on the inner wall of the water inlet end of the valve body 1, the positioning installation of the filter screen 11 is facilitated by utilizing the positioning groove 9, the sealing between the filter screen 11 and the valve body 1 after the installation is facilitated by utilizing the sealing gasket 13, the sealing performance between the filter screen 11 and the valve body 1 is ensured under the condition that the, a positioning groove 9 positioned at the top end of the valve body 1 is T-shaped, a positioning groove 9 positioned at the top end of the valve body 1 is movably sleeved with a sealing plate 12, a sealing gasket 13 and the top of a frame 10, the two positioning grooves 9 correspond to each other in position and respectively penetrate through two sealing rings 6, the frame 10 is movably sleeved in the positioning groove 9, a filter screen 11 is arranged in the middle of the frame 10, the top of the frame 10 is fixedly connected with the sealing plate 12, the size of the sealing plate 12 is matched with that of the positioning groove 9, the sealing plate 12 is fixedly connected with the valve body 1 through a bolt 3, the sealing gasket 13 is movably sleeved in the positioning groove 9 positioned at the top of the valve body 1, the sealing gasket 13 is movably sleeved with the top of the frame 10, the sealing gasket 13 is movably sleeved between the positioning groove 9 and the sealing plate 12, a three-way pipe 14 positioned, in the structure, the filter screen 11 is utilized to filter and intercept impurities in the fluid, and after the impurities are continuously deposited, the deposited impurities are collected through one end of the three-way pipe 14 close to the filter screen 11, the impurities in the fluid are prevented from flowing back into the valve body 1 by utilizing the filter screen 17 stopped at the other end of the three-way pipe 14, and the normal circulation of the fluid in the three-way pipe 14 and the valve body 1 is ensured, so that the purposes of filtering and collecting the impurities in the fluid are realized, the impurities in the fluid are prevented from continuously scouring the valve core 8 and being adsorbed on the valve core 8 and the sealing ring 6 at the position of the valve core 8, the friction force between the valve core 8 and the sealing ring 6 is increased, the abrasion is increased, the service life of the butterfly valve is effectively prolonged, and the leakage condition caused by transitional friction between the valve core 8 and the sealing ring 6 is reduced, the both ends of three-way pipe 14 communicate with the inner chamber of valve body 1, and the fixed cover in bottom of three-way pipe 14 is equipped with slag pipe 15, and the bottom screw thread cover of slag pipe 15 is equipped with end cover 16, and the bottom of slag pipe 15 is equipped with the bolt, is equipped with the thread groove on the inner wall of end cover 16, and not drawn in this application, utilize end cover 16 to seal the bottom of slag pipe 15, when needs arrange the sediment, open end cover 16, can arrange the sediment to slag pipe 15 and arrange the sediment.

To sum up, during installation, firstly, two sealing rings 6 are assembled through a sealing positioning block 7, then a water-stop gasket 5 is inserted into a sealing groove 4 of one valve body 1, then the two valve bodies 1 are correspondingly assembled, the water-stop gasket 5 is inserted between the two sealing grooves 4 of the two valve bodies 1, the two valve bodies 1 are pressed and fixed through bolts 3, then, in the use process of the butterfly valve, fluid enters through the water inlet end of the valve body 1, is filtered through a filter screen 11, flows through a valve core 8, and falls into a three-way pipe 14 through one end of the three-way pipe 14 close to the filter screen 11 after impurities filtered and intercepted by the filter screen 11 are continuously deposited, impurities are prevented from flowing back into the valve body 1 through a filter screen 17 stopped at the other end of the three-way pipe 14, normal circulation of the fluid in the three-way pipe 14 and the valve body 1 is ensured, and finally, at intervals, an end cover, and discharging impurities collected in the three-way pipe 14 by using the slag discharge pipe 15, taking out the filter screen 11 by screwing out the bolt 3 on the sealing plate 12, and cleaning the filter screen 11.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a sanitary-grade fast-assembling butterfly valve structure, includes two valve bodies (1) that size, shape are the same, its characterized in that: the two ends of the valve body (1) are respectively provided with a fixing lug (2), the fixing lugs (2) are respectively provided with a bolt (3) in a threaded sleeve manner, the two valve bodies (1) are fixedly connected through the bolts (3), one side of the bottom of each fixing lug (2) is provided with a sealing groove (4), a water stop gasket (5) is arranged in the sealing groove (4) between the two fixing lugs (2) on the two valve bodies (1), the inner walls of the two valve bodies (1) are respectively surrounded by a sealing ring (6), each sealing ring (6) is semicircular, the two ends of each sealing ring (6) are respectively provided with a sealing positioning block (7), a valve core (8) is arranged in each valve body (1), the inner wall of the water inlet end of each valve body (1) is provided with a positioning groove (9), a frame (10) is movably sleeved in each positioning groove (9), and the middle part of, and the top fixedly connected with closing plate (12) of frame (10), the activity cover is equipped with sealed pad (13) in constant head tank (9) that is located valve body (1) top, the fixed cover in bottom of valve body (1) is equipped with three-way pipe (14) that are located valve body (1) end of intaking, the fixed cover in bottom of three-way pipe (14) is equipped with slag pipe (15), the bottom screw thread cover of slag pipe (15) is equipped with end cover (16).

2. The sanitary fast-assembling butterfly valve structure of claim 1, wherein: the number of the sealing rings (6) is two, and the two sealing positioning blocks (7) at the two ends of the sealing rings (6) are movably connected.

3. The sanitary fast-assembling butterfly valve structure of claim 1, wherein: the quantity of constant head tank (9) has two, two constant head tank (9) are located the top and the bottom of two valve bodies (1) respectively, one constant head tank (9) that are located valve body (1) top are the T style of calligraphy, and one constant head tank (9) that are located valve body (1) top cup joints with the top activity of closing plate (12), sealed pad (13) and frame (10), two constant head tank (9) position corresponds and runs through two sealing washer (6) respectively.

4. The sanitary fast-assembling butterfly valve structure of claim 1, wherein: the sealing gasket (13) is movably sleeved with the top of the frame (10), and the sealing gasket (13) is movably sleeved between the positioning groove (9) and the sealing plate (12).

5. The sanitary fast-assembling butterfly valve structure of claim 1, wherein: the size of the sealing plate (12) is matched with that of the positioning groove (9), and the sealing plate (12) is fixedly connected with the valve body (1) through the bolt (3).

6. The sanitary fast-assembling butterfly valve structure of claim 1, wherein: one end of the three-way pipe (14) is located on one side of the bottom of the filter screen (11), the filter screen (17) is fixedly sleeved inside the other end of the three-way pipe (14), and two ends of the three-way pipe (14) are communicated with the inner cavity of the valve body (1).