CN214367825U - Double-eccentric soft sealing butterfly valve with valve rod connected with valve plate key - Google Patents
Double-eccentric soft sealing butterfly valve with valve rod connected with valve plate key Download PDFInfo
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- CN214367825U CN214367825U CN202120557421.XU CN202120557421U CN214367825U CN 214367825 U CN214367825 U CN 214367825U CN 202120557421 U CN202120557421 U CN 202120557421U CN 214367825 U CN214367825 U CN 214367825U
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Abstract
The utility model relates to a double eccentric soft seal butterfly valve with a key connection between a valve rod and a valve plate, which comprises a valve body, the upper part of the valve body is provided with a rotating handle, the lower end of the rotating handle is provided with an upper valve rod, the upper valve rod passes through the valve body, a first bearing is arranged between the upper valve rod and the valve body, the middle part of the upper valve rod is provided with a fixed connecting block, the fixed connecting block is arranged inside the valve body, the valve plate is arranged at the inlet of a communicating pipeline, the bottom of the upper valve rod is provided with an upper connecting rod, the lower end of the upper connecting rod is provided with a gear, the gear is arranged in a transmission block, an internal fixed gear is arranged in the transmission block, the internal fixed gear is matched with the gear, the transmission block is fixedly arranged on a lower connecting rod, the lower connecting rod is fixedly connected with the valve plate through a lower valve rod, and the lower valve rod is arranged at the lower part of the valve body through the rotation of a second bearing; the utility model has the advantages of reasonable structure, convenient control and key connection of the valve rod and the valve plate.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to totally enclosed type valve worm gear.
Background
A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, can be used for on-off control of low-pressure pipeline media, and is a valve, the closing part of which is a disk and rotates around a valve shaft to open and close, and 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, but the control effect of the butterfly plate is delayed due to the existence of a plurality of linkage mechanisms such as a valve rod, a valve plate key and the like in the existing butterfly valve, the control is inconvenient, and the installation is not firm; therefore, it is very necessary to provide a double-eccentric soft sealing butterfly valve with reasonable structure, convenient control and key connection of the valve rod and the valve plate.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing a double eccentric soft sealing butterfly valve with reasonable structure, convenient control and key connection of a valve rod and a valve plate.
The purpose of the utility model is realized like this: a double-eccentric soft sealing butterfly valve with a key connection between a valve rod and a valve plate comprises a valve body, wherein a rotating handle is arranged at the upper part of the valve body, the lower end of the rotating handle is provided with an upper valve rod, the upper valve rod penetrates through the valve body, a first bearing is arranged between the upper valve rod and the valve body, the middle part of the upper valve rod is provided with a fixed connecting block which is arranged inside the valve body, the fixed connecting block is provided with a valve plate which is arranged at an inlet of the communicating pipeline, the bottom of the upper valve rod is provided with an upper connecting rod, the lower end of the upper connecting rod is provided with a gear which is arranged in a transmission block, the transmission block is internally provided with internal fixed teeth, the internal fixation tooth is matched with the gear, the transmission block is fixedly arranged on the lower connecting rod, the lower connecting rod is fixedly connected with the valve plate through the lower valve rod, and the lower valve rod is rotatably arranged at the lower part of the valve body through the second bearing.
A limiting groove is formed in one side of the first bearing, a protrusion is arranged on the position of the limiting groove of the valve body, the protrusion is matched with the limiting groove, and the first bearing can move up and down in the valve body to drive the upper valve rod to move up and down.
The valve plate is divided into an upper part and a lower part, the valve plate on the upper part moves along with the upper valve rod, the valve rod on the lower part moves along with the lower valve rod, and the upper part and the lower part of the valve plate are directly attached to form a valve for closing the communicating pipeline.
Go up valve rod, lower valve rod, go up connecting rod and lower connecting rod setting on same vertical line, can guarantee that the gear gomphosis is in the transmission piece.
Go up for fixed connection between valve rod and the first bearing, be swing joint between first bearing and the valve body.
The utility model has the advantages that: the utility model discloses a through setting up the connecting rod between valve rod and the valve plate, be provided with the transmission piece between the connecting rod, the transmission piece can be with the turning force transmission of upper connecting rod to the lower valve rod of below, has internal fixed tooth and gear in the transmission piece, plays the driven effect of meshing to drive the valve plate and rotate simultaneously, and the utility model discloses can realize the rotation of upper valve rod alone, the upper valve rod is mentioned through the twist grip, because be provided with spacing recess in the first bearing, spacing recess can restrict the rotation of upper valve rod, can make things convenient for opening of valve plate upper portion, if do not need the upper valve rod individual movement, then put into the transmission piece with the gear of upper connecting rod lower extreme can; the utility model has the advantages of reasonable structure, convenient control and key connection of the valve rod and the valve plate.
Drawings
Fig. 1 is a schematic view of the internal structure of the valve body of the present invention.
Fig. 2 is a schematic view of the first bearing structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the driving block of the present invention.
In the figure, the valve comprises a valve body 1, a valve body 2, a rotating handle 3, an upper valve rod 4, a fixed connecting block 5, a first bearing 6, an upper connecting rod 7, a transmission block 8, a lower connecting rod 9, a lower valve rod 10, a second bearing 11, a valve plate 12, a communicating pipeline 13, a limiting groove 14, an internal fixing tooth 15 and a gear.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, a double eccentric soft seal butterfly valve with a key connection between a valve rod and a valve plate comprises a valve body 1, wherein a rotating handle 2 is arranged on the upper portion of the valve body 1, an upper valve rod 3 is arranged at the lower end of the rotating handle 2, the upper valve rod 3 passes through the valve body 1, a first bearing 5 is arranged between the upper valve rod 3 and the valve body 1, a fixed connecting block 4 is arranged in the middle of the upper valve rod 3, the fixed connecting block 4 is arranged inside the valve body 1, a valve plate 11 is arranged on the fixed connecting block 4, the valve plate 11 is arranged at an inlet of a communicating pipeline 12, an upper connecting rod 6 is arranged at the bottom of the upper valve rod 3, a gear 15 is arranged at the lower end of the upper connecting rod 6, the gear 15 is arranged in a transmission block 7, an internal fixing gear 14 is arranged in the transmission block 7, the internal fixing gear 14 is matched with the gear 15, the transmission block 7 is fixedly arranged on a lower connecting rod 8, the lower connecting rod 8 is fixedly connected with a valve plate 11 through a lower valve rod 9, and the lower valve rod 9 is rotatably arranged at the lower part of the valve body 1 through a second bearing 10.
The utility model discloses a through setting up the connecting rod between valve rod and the valve plate, be provided with transmission piece 7 between the connecting rod, transmission piece 7 can transmit the turning force of upper connecting rod 6 to lower valve rod 9 below, has internal fixed tooth 14 and gear 15 in transmission piece 7, plays the driven effect of meshing to drive valve plate 11 and rotate simultaneously, and the utility model discloses can realize the rotation of upper valve rod 3 alone, upper valve rod 3 is mentioned through twist grip 2, because be provided with spacing recess 13 in the first bearing 5, spacing recess 13 can restrict the rotation of upper valve rod 3, can make things convenient for opening of valve plate 11 upper portion, if do not need upper valve rod 3 individual movement, then put into transmission piece 7 with gear 15 of upper connecting rod 6 lower extreme; the utility model has the advantages of reasonable structure, convenient control and key connection of the valve rod and the valve plate.
Example 2
As shown in fig. 1-3, a double eccentric soft seal butterfly valve with a key connection between a valve rod and a valve plate comprises a valve body 1, wherein a rotating handle 2 is arranged on the upper portion of the valve body 1, an upper valve rod 3 is arranged at the lower end of the rotating handle 2, the upper valve rod 3 passes through the valve body 1, a first bearing 5 is arranged between the upper valve rod 3 and the valve body 1, a fixed connecting block 4 is arranged in the middle of the upper valve rod 3, the fixed connecting block 4 is arranged inside the valve body 1, a valve plate 11 is arranged on the fixed connecting block 4, the valve plate 11 is arranged at an inlet of a communicating pipeline 12, an upper connecting rod 6 is arranged at the bottom of the upper valve rod 3, a gear 15 is arranged at the lower end of the upper connecting rod 6, the gear 15 is arranged in a transmission block 7, an internal fixing gear 14 is arranged in the transmission block 7, the internal fixing gear 14 is matched with the gear 15, the transmission block 7 is fixedly arranged on a lower connecting rod 8, the lower connecting rod 8 is fixedly connected with a valve plate 11 through a lower valve rod 9, and the lower valve rod 9 is rotatably arranged at the lower part of the valve body 1 through a second bearing 10.
First bearing 5 one side is provided with spacing recess 13, valve body 1 is provided with the arch on spacing recess 13's position, protruding and spacing recess 13 phase-match, and first bearing 5 can reciprocate in valve body 1, drive upper valve rod 3 and reciprocate, valve plate 11 divide into two parts from top to bottom, valve plate 11 on upper portion is followed the motion of upper valve rod 3, valve rod 9 motion is followed down to valve rod 11 of lower part, and the upper and lower two parts of valve plate 11 directly laminate and form the valve of closing communicating pipe 12, upper valve rod 3, lower valve rod 9, upper connecting rod 6 and lower connecting rod 8 set up on same vertical line, can guarantee gear 15 gomphosis in transmission block 17, be fixed connection between upper valve rod 3 and the first bearing 5, be swing joint between first bearing 5 and the valve body 1.
The utility model discloses a through setting up the connecting rod between valve rod and the valve plate, be provided with transmission piece 7 between the connecting rod, transmission piece 7 can transmit the turning force of upper connecting rod 6 to lower valve rod 9 below, has internal fixed tooth 14 and gear 15 in transmission piece 7, plays the driven effect of meshing to drive valve plate 11 and rotate simultaneously, and the utility model discloses can realize the rotation of upper valve rod 3 alone, upper valve rod 3 is mentioned through twist grip 2, because be provided with spacing recess 13 in the first bearing 5, spacing recess 13 can restrict the rotation of upper valve rod 3, can make things convenient for opening of valve plate 11 upper portion, if do not need upper valve rod 3 individual movement, then put into transmission piece 7 with gear 15 of upper connecting rod 6 lower extreme; the utility model has the advantages of reasonable structure, convenient control and key connection of the valve rod and the valve plate.
Claims (5)
1. The utility model provides a two eccentric soft seal butterfly valves of valve rod and valve plate key-type connection, it includes the valve body, its characterized in that: valve body upper portion is provided with the twist grip, the twist grip lower extreme is provided with the valve rod, it passes the valve body setting to go up the valve rod, it is provided with first bearing to go up between valve rod and the valve body, it is provided with fixed connection block to go up the valve rod middle part, fixed connection block sets up inside the valve body, the last valve plate that is provided with of fixed connection block, the valve plate sets up the entrance at the intercommunication pipeline, it is provided with the connecting rod to go up the valve rod bottom, it is provided with the gear to go up the connecting rod lower extreme, the gear sets up in the transmission block, be provided with interior fixed tooth in the transmission block, interior fixed tooth and gear phase-match, the transmission block is fixed to be set up under on the connecting rod, the connecting rod is through lower valve rod and valve plate fixed connection down, the valve rod rotates the lower part that sets up at the valve body through the second bearing down.
2. The double-eccentric soft seal butterfly valve with a keyed connection of the valve stem and the valve plate according to claim 1, wherein: a limiting groove is formed in one side of the first bearing, a protrusion is arranged on the position of the limiting groove of the valve body, the protrusion is matched with the limiting groove, and the first bearing can move up and down in the valve body to drive the upper valve rod to move up and down.
3. The double-eccentric soft seal butterfly valve with a keyed connection of the valve stem and the valve plate according to claim 1, wherein: the valve plate is divided into an upper part and a lower part, the valve plate on the upper part moves along with the upper valve rod, the valve rod on the lower part moves along with the lower valve rod, and the upper part and the lower part of the valve plate are directly attached to form a valve for closing the communicating pipeline.
4. The double-eccentric soft seal butterfly valve with a keyed connection of the valve stem and the valve plate according to claim 1, wherein: go up valve rod, lower valve rod, upper connecting rod and lower connecting rod setting on same vertical line, can guarantee that the gear gomphosis is in the transmission piece.
5. The double-eccentric soft seal butterfly valve with a keyed connection of the valve stem and the valve plate according to claim 1, wherein: the upper valve rod is fixedly connected with the first bearing, and the first bearing is movably connected with the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120557421.XU CN214367825U (en) | 2021-03-18 | 2021-03-18 | Double-eccentric soft sealing butterfly valve with valve rod connected with valve plate key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120557421.XU CN214367825U (en) | 2021-03-18 | 2021-03-18 | Double-eccentric soft sealing butterfly valve with valve rod connected with valve plate key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214367825U true CN214367825U (en) | 2021-10-08 |
Family
ID=77973158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120557421.XU Active CN214367825U (en) | 2021-03-18 | 2021-03-18 | Double-eccentric soft sealing butterfly valve with valve rod connected with valve plate key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214367825U (en) |
-
2021
- 2021-03-18 CN CN202120557421.XU patent/CN214367825U/en active Active
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