CN215928415U

CN215928415U - Ventilation butterfly valve

Info

Publication number: CN215928415U
Application number: CN202121672746.9U
Authority: CN
Inventors: 鄢新林; 顾堂文
Original assignee: Zhejiang Compass Valve Co ltd
Current assignee: Zhejiang Compass Valve Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-03-01
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a ventilation butterfly valve, which comprises a valve body, a valve rod and a butterfly plate, wherein a valve seat is arranged in the valve body, a flow passage is arranged in the valve body, the valve rod extends into the valve body and is connected with the butterfly plate to control the flow passage to be cut off and communicated, a filter plate is arranged in the valve body, a fixing component for fixing the filter plate is arranged on the valve body and comprises a fixing ball body, a fixing groove is arranged on the filter plate and is arranged in the fixing groove, a fixing spring connected with the fixing ball body is arranged in the fixing groove, a clamping groove corresponding to the fixing groove is arranged on the valve body, a sliding groove is arranged in the clamping groove, and the sliding groove is internally provided with a first groove connected with the outside, the sliding groove is internally provided with a positioning spring and a fixed rod which are connected with the positioning fixture block, the fixed ball body is provided with a positioning groove which is inserted and matched with the positioning fixture block, the valve body is provided with a limiting block for limiting the filter plate, and the filter plate is provided with a limiting groove matched with the limiting block. The utility model has the following advantages and effects: filtration of the media within the flow channels may be performed.

Description

Ventilation butterfly valve

Technical Field

The utility model relates to the field of valves, in particular to a ventilation butterfly valve.

Background

The sealing butterfly valve has novel design structure, small integral size and light weight; the butterfly plate adopts double eccentricity, the opening and closing are rapid, and the operation is light and labor-saving; the butterfly plate and the sealing ring have no sliding friction, the sealing surface is wear-resistant, the service life is long, the sealing is reliable, and the adjustment is easy. At present, enterprise's production and processing equipment often needs a large amount of water, and the water needs to be transported with the pipeline, and flange formula butterfly valve wherein plays the effect of adjusting rivers size, pipeline transportation is one of the most common mode, when with the pipe-line transportation water resource, after long-term the use, because most of water do not purify completely, some impurity of existence in the aquatic, influence normal use, then, impurity constantly piles up to the pipeline inner wall, these impurity can be to the valve blockage of pipeline, influence the flow of water, change the valve, it is more troublesome again. A butterfly valve with a filter effect is proposed for this purpose.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a medium filtering ventilation butterfly valve.

In order to achieve the above object, the present invention provides a ventilation butterfly valve, including a valve body, a valve rod and a butterfly plate, wherein a valve seat is arranged in the valve body, a flow passage is arranged in the valve body, the valve rod extends into the valve body and is connected with the butterfly plate to control the flow passage to be cut off and communicated, a filter plate is arranged in the valve body, a fixing component for fixing the filter plate is arranged on the valve body, the fixing component includes a fixing ball body arranged on the filter plate, a fixing groove is arranged on the filter plate, the fixing ball body is arranged in the fixing groove, a fixing spring connected with the fixing ball body is arranged in the fixing groove, a clamping groove corresponding to the fixing groove is arranged on the valve body, a sliding groove and a positioning fixture block are arranged in the clamping groove, a first groove connected with the outside is arranged in the sliding groove, a positioning spring and a fixing rod connected with the positioning fixture block are arranged in the sliding groove, the positioning spring is sleeved on the positioning rod, a positioning groove matched with the positioning fixture block in an inserting mode is formed in the fixed ball body, a limiting block for limiting the filter plate is arranged on the valve body, and a limiting groove matched with the limiting block is formed in the filter plate.

Through adopting above-mentioned technical scheme, can carry out the filtration to the medium in the runner while the filter can make things convenient for quick change, the spheroid of setting can be quick the card join in marriage and accomplish the location, carries out the installation of filter, cooperates the stability that filter, and then promotion disk seat installation are dismantled in the installation that the stopper can be more convenient.

The utility model is further configured to: the valve body is provided with a valve cover, an upper positioning groove is formed in the valve cover in a sunken mode, a sealing assembly is arranged in the upper positioning groove and comprises a packing cover, a packing and a leakage-proof ring, the leakage-proof ring is sleeved on the valve rod, the packing is filled in the upper positioning groove, the packing cover extrudes the packing to limit the packing to drag the inner upper positioning groove, and a fixing piece for fixing the packing cover is arranged on the valve cover.

Through adopting above-mentioned technical scheme, guarantee that the sealing performance of valve rod still has the holding valve temperature, can not only promote the degree of agreeing with of valve rod outer wall and valve body inner wall to can increase the area of contact between valve rod and the valve body, and then promote the leakproofness between valve rod and the valve body.

The utility model is further configured to: the fixing piece comprises a fixing block and a bolt, the fixing block is arranged on the valve cover, a clamping groove is formed in the fixing block, a clamping ball and a connecting spring for connecting the clamping ball are arranged in the clamping groove, a groove matched with the clamping ball is formed in the packing cover, and the packing cover and the fixing block are fixed through the bolt.

Through adopting above-mentioned technical scheme, inside card ball card and the recess, can fix both quick and convenient, and promote the stability of disk seat installation, can carry out quick fixed and installation both simultaneously, bolted connection is simple and more conveniently dismantles and maintains simultaneously.

The utility model is further configured to: the valve body is sunken with lower constant head tank and bottom, the bottom is fixed in the valve body and seals lower constant head tank, be provided with the buffer block in the constant head tank down.

Through adopting above-mentioned technical scheme, avoid the collision between the two, have the buffer block can cushion and prevent the condition between them of damage, and then promote the valve security.

The utility model is further configured to: the valve rod comprises a first rod and a second rod, the second rod is tightly attached to the buffer block, an electrostatic ball is arranged at one end of the first rod, and the width of the second rod is larger than that of the first rod.

Through adopting above-mentioned technical scheme, lead static and be safer fast, and then holistic promotion disk seat stability.

The utility model is further configured to: and a gear box which is connected with the valve rod and drives the valve rod to control the butterfly plate to turn is arranged on the valve cover.

Through adopting above-mentioned technical scheme, the moment is little more light carry out the butterfly plate and rotate, easy operation is convenient.

The utility model is further configured to: and one side of the fixed rod, which is positioned outside, is provided with a pull ring.

By adopting the technical scheme, the pull ring is pulled to drive the positioning fixture block to retreat, the filter screen is detached, and the structural part is convenient to cut.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A;

FIG. 3 is an enlarged view of the portion B.

In the figure: 1. a valve body; 2. a valve stem; 3. a butterfly plate; 4. a filter plate; 41. fixing the sphere; 42. fixing grooves; 43. fixing the spring; 44. positioning a fixture block; 45 positioning springs; 46. fixing the rod; 47. positioning a groove; 5. a limiting groove; 51. a limiting block; 6. a valve cover; 61. an upper positioning groove; 62. a filler cover; 63. a filler; 64. a leakage-proof ring; 651. a fixed block; 66. a connecting spring; 67. blocking the ball; 7. a bottom cover; 71. a buffer block; 72. a second lever; 73. a gear case; 74. a first lever; 75. a second lever.

Detailed Description

Embodiments of the present invention are further described with reference to fig. 1 to 3.

A ventilation butterfly valve comprises a valve body 1, a valve rod 2 and a butterfly plate 3, a valve seat is arranged in the valve body 1, a flow passage is arranged in the valve body 1, the valve rod 2 extends into the valve body 1 and is connected with the butterfly plate 3 to control the flow passage to be cut off and communicated, a filter plate 4 is arranged in the valve body 1, a fixing component for fixing the filter plate 4 is arranged on the valve body 1, the fixing component comprises a fixing ball 41 arranged on the filter plate 4, a fixing groove 42 is arranged on the filter plate 4, the fixing ball 41 is arranged in the fixing groove 42, a fixing spring 43 connected with the fixing ball 41 is arranged in the fixing groove 42, a clamping groove corresponding to the fixing groove 42 is arranged on the valve body 1, a sliding groove and a positioning fixture block 44 are arranged in the clamping groove, a first groove connected with the outside is arranged in the sliding groove, a positioning spring 45 and a fixing rod 46 connected with the positioning fixture block 44 are arranged in the sliding groove, the positioning spring 45 is sleeved on the positioning rod, a positioning groove 47 inserted and matched with the positioning fixture block 44 is arranged on the fixing ball 41, the valve body 1 is provided with a limiting block 51 for limiting the filter plate 4, and the filter plate 4 is provided with a limiting groove 5 matched with the limiting block 51.

Be provided with valve gap 6 on the valve body 1, the last constant head tank 61 that caves in of valve gap 6, upward be equipped with seal assembly in the constant head tank 61, seal assembly includes gland packing 62, filler 63 and leak protection ring 64, and valve rod 2 is located to the leak protection ring 64 cover, and the filler 63 is filled in last constant head tank 61, and gland packing 62 extrudees the filler 63 restriction filler 63 and drags interior upper positioning tank 61, is equipped with the mounting of fixed gland packing 62 on the valve gap 6.

The mounting is equipped with the draw-in groove including expanding fixed block 65 and the bolt that sets up in valve gap 6 on the fixed block 65, is equipped with card ball 67 in the draw-in groove and connects the coupling spring 66 that blocks ball 67, is provided with the recess that the cooperation blocked ball 67 on the gland 62, passes through the bolt fastening between gland 62 and the fixed block 65.

The valve body 1 is sunken with a lower positioning groove 47 and a bottom cover 7, the bottom cover 7 is fixed on the valve body 1 and seals the lower positioning groove 47, and a buffer block 71 is arranged in the lower positioning groove 47.

The valve rod 2 comprises a first rod 74 and a second rod 72, the second rod 72 is tightly attached to the buffer block 71, an electrostatic ball is arranged at one end of the first rod 74, and the width of the second rod 72 is larger than that of the first rod 74.

The valve cover 6 is provided with a gear box 73 which is connected with the valve rod 2 and drives the valve rod 2 to control the butterfly plate 3 to rotate, and one side of the fixed rod 46 positioned outside is provided with a pull ring.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A ventilation butterfly valve is characterized in that: comprises a valve body (1), a valve rod (2) and a butterfly plate (3), wherein a valve seat is arranged in the valve body (1), a flow channel is arranged in the valve body (1), the valve rod (2) extends into the valve body (1) and is connected with the butterfly plate (3) to control the flow channel to be cut off and communicated, a filter plate (4) is arranged in the valve body (1), a fixing component for fixing the filter plate (4) is arranged on the valve body (1), the fixing component comprises a fixing ball body (41) arranged on the filter plate (4), a fixing groove (42) is arranged on the filter plate (4), the fixing ball body (41) is arranged in the fixing groove (42), a fixing spring (43) connected with the fixing ball body (41) is arranged in the fixing groove (42), a clamping groove corresponding to the fixing groove (42) is arranged on the valve body (1), a sliding groove and a positioning clamping block (44) are arranged in the clamping groove, the improved filter is characterized in that a first groove connected with the outside is arranged in the sliding groove, a positioning spring (45) and a fixing rod (46) which are connected with a positioning fixture block (44) are arranged in the sliding groove, the positioning rod is sleeved with the positioning spring (45), a positioning groove (47) which is matched with the positioning fixture block (44) in an inserting mode is arranged on the fixing ball body (41), a limiting block (51) for limiting the filter plate (4) is arranged on the valve body (1), and a limiting groove (5) matched with the limiting block (51) is arranged on the filter plate (4).

2. A vent butterfly valve in accordance with claim 1, wherein: the valve body (1) is provided with a valve cover (6), an upper positioning groove (61) is formed in the valve cover (6) in a sunken mode, a sealing assembly is arranged in the upper positioning groove (61) and comprises a packing cover (62), a packing (63) and a leakage-proof ring (64), the valve rod (2) is sleeved with the leakage-proof ring (64), the packing (63) is filled in the upper positioning groove (61), the packing cover (62) extrudes the packing (63) to limit the packing (63) to drag the inner upper positioning groove (61), and a fixing piece for fixing the packing cover (62) is arranged on the valve cover (6).

3. A vent butterfly valve in accordance with claim 2, wherein: the fixing piece comprises a fixing block (65) and a bolt, wherein the fixing block (65) is arranged on the valve cover (6) in an expanding mode, a clamping groove is formed in the fixing block (65), a clamping ball (67) and a connecting spring (66) for connecting the clamping ball (67) are arranged in the clamping groove, a groove matched with the clamping ball (67) is formed in the packing cover (62), and the packing cover (62) and the fixing block (65) are fixed through the bolt.

4. A vent butterfly valve in accordance with claim 1, wherein: the valve body (1) is sunken with lower positioning groove and bottom (7), the bottom (7) is fixed in the valve body (1) and seals the lower positioning groove, and a buffer block (71) is arranged in the lower positioning groove.

5. A vent butterfly valve in accordance with claim 4, wherein: the valve rod (2) comprises a first rod (74) and a second rod (72), the second rod (72) is tightly attached to the buffer block (71), an electrostatic ball is arranged at one end of the first rod (74), and the width of the second rod (72) is larger than that of the first rod (74).

6. A vent butterfly valve in accordance with claim 3, wherein: and a gear box (73) which is connected with the valve rod (2) and drives the valve rod (2) to control the butterfly plate (3) to turn is arranged on the valve cover (6).

7. A vent butterfly valve in accordance with claim 1, wherein: and a pull ring is arranged on one side of the fixed rod (46) positioned outside.