CN209705297U - A kind of airtight butterfly valve of silo - Google Patents
A kind of airtight butterfly valve of silo Download PDFInfo
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- CN209705297U CN209705297U CN201920473986.2U CN201920473986U CN209705297U CN 209705297 U CN209705297 U CN 209705297U CN 201920473986 U CN201920473986 U CN 201920473986U CN 209705297 U CN209705297 U CN 209705297U
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- sealing ring
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Abstract
The utility model provides a kind of airtight butterfly valve of silo, including shell, valve block, gasket seal, link mechanism and power device, shell is the tube structure of upper and lower opening, its lower ending opening is connected to silo, the upper end open communication atmosphere, sealing ring is provided in the upper end opening of shell, sealing ring is wrapped with gasket seal, valve block is provided in shell, valve block is corresponding with sealing ring, link mechanism realizes the opening and closing of the upper end opening of shell with moving valve plate, conjunction is rotated by link mechanism band moving valve plate, it realizes the closed of valve and opens, the setting of link mechanism can effectively reduce the resistance of valve folding, effectively overcome the closed not tight of the airtight butterfly valve of existing silo, resistance is big, sealing ring defect easy to wear.
Description
Technical field:
The utility model belongs to the technical field of grain storage equipment such as silo, and in particular to a kind of airtight butterfly valve of silo.
Background technique:
Currently, grain storage enterprise generally uses large granary to store grain, still, grain during storage, can not
Appearance fever, ageing and the deterioration avoided, to influence grain quality, to grain storage, enterprise causes certain economic loss,
Therefore, in grain storing process, in due course fumigates silo, is divulged information, and fumigating is after silo is closed, into silo
It is passed through fumigant, fumigant reaches the mesh of the germ killed in grain, insect, worm's ovum and microorganism in silo internal circulation flow
, it will cause personal injury and pollution as leakage not only can reduce fumigating effect also in stifling fumigant early period, therefore, to grain
When storehouse is fumigated, it is necessary to keep silo closed tight, the ventilation to silo can be by the heat of grain and water transport outside
In boundary's air, grain fever and moisture the evaporation harm caused by grain can be effectively reduced, reduces the ageing of grain and bad
Become, reduces the economic loss of grain storage enterprise.
Silo is fumigated and is divulged information, airtight butterfly valve is usually set at the top of silo, the lower part setting of silo is stifling
Entrance and ventilation intake, closed airtight butterfly valve when fumigating achieve the purpose that closed silo, and when ventilation opens airtight butterfly valve, reach
Wind purpose is crossed from silo top, the airtight butterfly valve at the top of existing silo is typically all manually-operated gate, the opening and closing of manual control valve,
Grain depot management personnel accurately control fumigation time, ventilation quantity and ventilation time according to grain actual conditions opening/shutting valve in silo.
As shown in Figure 1, being the airtight butterfly valve structure schematic diagram of existing silo, by rotating handle, shaft rotation, valve block are driven
It is fixed with shaft, shaft band moving valve plate is overturn, so that the opening and closing of valve is realized, in addition, the sealing ring provided circumferentially about of valve block, leads to
Cross the gap between sealing ring sealing valve plate and valve body.The valve of such structure, valve block are fixed with shaft, resistance when rotation compared with
Greatly, valve block circumferential seal circle seals, it is difficult to ensure that surrounding gap is consistent, and at shaft and between sealing ring and shell shaft hole have
Gap, sealing effect is very poor, also wears out sealing ring during valve opening and closing, and the sealing ring service life is caused to reduce.
Utility model content:
In conclusion in order to overcome the shortcomings of that prior art problem, the utility model provide a kind of airtight butterfly valve of silo,
It is to design a kind of novel valve, it is in the side of valve body setting opening, and shaft is installed in opening, and shaft rotation is led to
It crosses link mechanism band moving valve plate and rotates conjunction, realize the closed of valve and open, the setting of link mechanism can effectively reduce
The resistance of valve folding, effectively overcome the airtight butterfly valve of existing silo it is closed it is not tight, resistance is big, sealing ring is easy to wear lacks
It falls into.
In order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of airtight butterfly valve of silo, in which: described including shell, valve block, gasket seal, link mechanism and power device
Shell be upper and lower opening tube structure, lower ending opening be connected to silo, the upper end open communication atmosphere, the shell
Sealing ring is provided in upper end opening, the sealing ring is wrapped with gasket seal, valve block, valve are provided in the shell
Piece is corresponding with sealing ring, and the link mechanism realizes the opening and closing of the upper end opening of shell, the link mechanism with moving valve plate
Including shaft, drive link, auxiliary connecting rod and commutation spring, the side of the shell is provided with lateral openings, the side
Open outer side is provided with support frame, is provided with end cover on the outside of the support frame, is coated with energy in the support frame
Enough shafts rotated relative to support frame, one end of shaft are connect with power device, and drive link, institute are provided in the shaft
The drive link one end stated is connect with shaft, and the other end of drive link and the lower end of connector are hinged, the connector
Upper end and valve block bottom surface are hinged, and the bottom surface of the valve block and one end of auxiliary connecting rod are hinged, the other end and shell of auxiliary connecting rod
Body is hinged, and the hinge joint of auxiliary connecting rod and shell is located at the top of the lateral openings of shell, and the underrun of the valve block is changed
To the middle part of spring connection drive link.
Further, the cross sectional shape of the gasket seal includes body part, clamping portion and the triangle pressure of integral structure
Dress portion, the body part are "-" type structure, are covered on the top surface of sealing ring, the wedging position is in the outer of body part
Side, triangle press-fit portion is located at the inside of body part, and after gasket seal and sealing ring are installed, clamping portion is installed on the outer of sealing ring
Edge, triangle press-fit portion are installed on the interior edge of sealing ring, and the triangle press-fit portion is hollow triangular structure.
Further, the power device is handwheel, or is electric angle stroke actuator, or execute for Pneumatic angle stroke
Device.
Further, the end cover includes lid ontology identical with support frame outer openings shape and lid ontology surrounding
The bending part of setting, the lid ontology are bolted connection with support frame, are provided between lid ontology and support frame close
After packing, lid ontology and the load of support frame lid connect, the bending part of Gai Benti surrounding is covered on support frame.
Further, the valve block bottom surface is provided with multiple hinged seats, valve block and auxiliary connecting rod, valve block and connector and valve
Piece passes through that hinged seat is hinged with commutation spring respectively, and multiple location holes, the hinged seat insertion are provided on the valve block
Positioning hole is simultaneously welded and fixed with valve block.
Further, limited block is provided in the drive link, the limited block is corresponding with connector.
The utility model has the following beneficial effects:
1, the utility model designs a kind of novel valve, it is in the side of valve body setting opening, and shaft is installed on out
In mouthful, shaft rotation rotates conjunction by link mechanism band moving valve plate, realizes the closed of valve and open, link mechanism is set
Set the resistance that can effectively reduce valve folding, effectively overcome the airtight butterfly valve of existing silo it is closed it is not tight, resistance is big, close
Seal defect easy to wear.
2, the utility model gasket seal includes body part, clamping portion and the triangular form press-fit portion of integral structure, triangular form
Press-fit portion is hollow triangular form structure, and when valve block presses gasket seal, the triangle press-fit portion of hollow structure plays buffering
The press speed of valve block prevents hardness from colliding and injures to valve block and gasket seal bring, meanwhile, after valve block press, hollow three
Angle-style press-fit portion is compressed between valve block top surface and sealing ring, increases the sealing effect of gasket.Meanwhile hollow triangular form pressure
Dress portion is arranged downward, and the dust ventilated in silo venting process, which will not deposit its surface, influences sealing effect.
3, the end cover of the utility model includes lid ontology and bending part, and Gai Benti and bending part are structure as a whole, close
Sealing end lid lid is after the outer openings of support frame, and bending part forms covering in the outer openings of support frame, and bending part is set
It sets, good rain-proof can be played the role of, rainwater is avoided to enter from the outer openings of support frame.
4, multiple location holes are provided on the valve block of the utility model, hinged seat is inserted into positioning hole and welds with valve block solid
It is fixed, it is positioned by the way of insertion, accurate positioning, production easy to process.
5, the utility model structure is simple, easy to use, can effectively solve the problem that existing for grain fumigation, ventilation sealing and close
Seal rapid wear problem, while the labour of grain depot management personnel can also be reduced well, reduce grain depot ventilation cost.
Detailed description of the invention:
Fig. 1 is existing silo ventilation hole valve mechanism schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the overlooking structure diagram of the utility model Fig. 2；
Fig. 4 is the structural schematic diagram of the gasket seal of the utility model；
Fig. 5 is the structural schematic diagram of the end cover of the utility model；
Fig. 6 is the utility model valve block opening state schematic diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of airtight butterfly valve of silo, including shell 1, valve block 2, gasket seal 3,
Link mechanism and power device 4, the shell 1 are the tube structure of upper and lower opening, and lower ending opening is connected to silo, the upper end
Open communication atmosphere is provided with sealing ring 5 in the upper end opening of the shell 1, and the sealing ring 5 is wrapped with gasket
Piece 3 is provided with valve block 2 in the shell 1, and valve block 2 is corresponding with sealing ring 5, and the link mechanism band moving valve plate 2 realizes shell
The opening and closing of the upper end opening of body 1, the cross sectional shape of gasket seal 3 include body part 31, clamping portion 32 and the triangle of integral structure
The press-fit portion 33 of shape, the body part 31 are "-" type structure, are covered on the top surface of sealing ring 5, the clamping portion 32
In the outside of body part 31, triangle press-fit portion 33 is located at the inside of body part 31, after gasket seal 3 and sealing ring 5 are installed, card
Socket part 32 is installed on the outer of sealing ring 5, and triangle press-fit portion 33 is installed on the interior edge of sealing ring 5, the triangle press fitting
Portion 33 is hollow triangular structure.
The link mechanism include shaft 6, drive link 7, auxiliary connecting rod 8 and commutation spring 9, the shell 1
Side is provided with lateral openings, and support frame 10 is provided on the outside of the lateral openings, and support frame 10 is both ends open cylinder knot
Structure, 10 inner cavity of support frame are connected to 1 inner cavity of shell, are provided with end cover 11, the sealed end on the outside of the support frame 10
Lid 11 includes the bending part 111 of lid ontology 110 identical with 10 outer openings shape of support frame and the setting of 110 surrounding of lid ontology,
The lid ontology 110 is bolted connection with support frame 10, and sealing is provided between Gai Benti 110 and support frame 10
After pad, Gai Benti 110 and 10 lid load of support frame connect, the bending part 111 of 110 surrounding of Gai Benti is covered on support frame 10.Institute
The shaft 6 that can be rotated relative to support frame 10 is coated in the support frame 10 stated, one end of shaft 6 is connect with power device 4, institute
The power device 4 stated is electric angle stroke actuator, is provided with drive link 7, the drive link 7 in the shaft 6
One end is connect with shaft 6, and the lower end of the other end and connector 12 of drive link 7 is hinged, the upper end of the connector 12 with
2 bottom surface of valve block is hinged, and the bottom surface of the valve block 2 and one end of auxiliary connecting rod 8 are hinged, the other end and shell 1 of auxiliary connecting rod 8
Hingedly, the hinge joint of auxiliary connecting rod 8 and shell 1 is located at the top of the lateral openings of shell 1, the underrun of the valve block 2
The spring 9 that commutates connects the middle part of drive link 7.2 bottom surface of valve block is provided with multiple hinged seats, valve block 2 and auxiliary connecting rod
8, valve block 2 is hinged by hinged seat respectively with commutation spring 9 with connector 12 and valve block 2, is provided on the valve block 2 multiple
Location hole, the hinged seat insertion positioning hole are simultaneously welded and fixed with valve block 2.
In use, starting the electric angle stroke actuator as power device 4, electric angle row when needing to open valve
Journey actuator drives the rotation of shaft 6 to rotate counterclockwise, and drive link 7 is driven to rotate counterclockwise, and drive link 7 pulls down connector
12, to move down with moving valve plate 2, under the action of auxiliary connecting rod 8, valve block 2 surrounds the hinge joint of connector 12 and valve block 2
It turns counterclockwise, that is, overturning while moving down in valve block 2, in the process, commutation spring 9 are stretched, when driving connects
When bar 7 turns to extreme lower position, connector 12 is contacted with the limited block 13 in drive link 7 at this time, and limited block 13 limits,
Valve block 2 is in a vertical state at this time, and valve fully opens.
When needing closure valve, angle of rotation stroke actuator is rotated clockwise, and drive link 7 is driven to rotate clockwise,
7 front end of drive link pushes valve block 2 to move up, and under the action of commutating spring 9, valve block 2 is around connector 12 and valve block 2
Hinge joint turns clockwise reset, when the overturning of valve block 2 to 2 bottom surface of valve block and the full contact of the top surface of connector 12, is driving
It under the action of connecting rod 7, pushes valve block 2 to move up and squeezes gasket seal 3, realize valve closure.
It is noted that above-described embodiment is the affiliated technology neck to the illustrative and not limiting of technical solutions of the utility model
The equivalent replacement of domain those of ordinary skill or the other modifications made according to the prior art, as long as not exceeding the utility model skill
The thinking and range of art scheme, should be included within interest field required by the utility model.
Claims (6)
1. a kind of airtight butterfly valve of silo, it is characterised in that: including shell (1), valve block (2), gasket seal (3), link mechanism and
Power device (4), the shell (1) are the tube structure of upper and lower opening, and lower ending opening is connected to silo, and end opening connects thereon
Lead to atmosphere, is provided with sealing ring (5) in the upper end opening of the shell (1), the sealing ring (5) is wrapped with gasket
Piece (3), the shell (1) is interior to be provided with valve block (2), and valve block (2) is corresponding with sealing ring (5), and the link mechanism drives
Valve block (2) realizes the opening and closing of the upper end opening of shell (1), and the link mechanism includes shaft (6), drive link (7), auxiliary
Connecting rod (8) and commutation spring (9), the side of the shell (1) are provided with lateral openings, setting on the outside of the lateral openings
Have support frame (10), be provided with end cover (11) on the outside of the support frame (10), is coated in the support frame (10)
The shaft (6) that can be rotated relative to support frame (10), one end of shaft (6) are connect with power device (4), the shaft (6)
On be provided with drive link (7), the drive link (7) one end is connect with shaft (6), the other end of drive link (7) with
The lower end of connector (12) is hinged, and the upper end and valve block (2) bottom surface of the connector (12) are hinged, the valve block (2)
One end of bottom surface and auxiliary connecting rod (8) is hinged, the other end of auxiliary connecting rod (8) and shell (1) hingedly, auxiliary connecting rod (8) and shell
The hinge joint of body (1) is located at the top of the lateral openings of shell (1), and underrun commutation spring (9) of the valve block (2) is even
Connect the middle part of drive link (7).
2. the airtight butterfly valve of a kind of silo according to claim 1, it is characterised in that: the section of the gasket seal (3)
Shape includes body part (31), clamping portion (32) and the triangle press-fit portion (33) of integral structure, and the body part (31) is
"-" type structure, is covered on the top surface of sealing ring (5), and the clamping portion (32) are located at the outside of body part (31), triangle
Press-fit portion (33) is located at the inside of body part (31), and after gasket seal (3) and sealing ring (5) are installed, clamping portion (32) are installed on
The outer of sealing ring (5), triangle press-fit portion (33) are installed on the interior edge of sealing ring (5), the triangle press-fit portion (33)
For hollow triangular structure.
3. the airtight butterfly valve of a kind of silo according to claim 1, it is characterised in that: the power device (4) is handwheel,
It or is electric angle stroke actuator, or be Pneumatic angle stroke actuator.
4. the airtight butterfly valve of a kind of silo according to claim 1, it is characterised in that: the end cover (11) include with
The bending part (111) of the identical lid ontology (110) of support frame (10) outer openings shape and the setting of Gai Benti (110) surrounding, institute
The lid ontology (110) stated is bolted connection with support frame (10), is provided between Gai Benti (110) and support frame (10)
After gasket, Gai Benti (110) and support frame (10) lid load connect, bending part (111) covering of Gai Benti (110) surrounding is being propped up
In support frame (10).
5. the airtight butterfly valve of a kind of silo according to claim 1, it is characterised in that: described valve block (2) bottom surface is provided with
Multiple hinged seats, valve block (2) and auxiliary connecting rod (8), valve block (2) and connector (12) and valve block (2) and commutation spring (9) are respectively
It is hinged by hinged seat, multiple location holes, the hinged seat insertion positioning hole and and valve are provided on the valve block (2)
Piece (2) is welded and fixed.
6. the airtight butterfly valve of a kind of silo according to claim 1, it is characterised in that: be arranged in the drive link (7)
Have limited block (13), the limited block (13) is corresponding with connector (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473986.2U CN209705297U (en) | 2019-04-10 | 2019-04-10 | A kind of airtight butterfly valve of silo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473986.2U CN209705297U (en) | 2019-04-10 | 2019-04-10 | A kind of airtight butterfly valve of silo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209705297U true CN209705297U (en) | 2019-11-29 |
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ID=68649314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920473986.2U Active CN209705297U (en) | 2019-04-10 | 2019-04-10 | A kind of airtight butterfly valve of silo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209705297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113268091A (en) * | 2021-05-25 | 2021-08-17 | 淄博豪迈实验室装备有限公司 | Multi-blade gas flow regulating and detecting device |
-
2019
- 2019-04-10 CN CN201920473986.2U patent/CN209705297U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113268091A (en) * | 2021-05-25 | 2021-08-17 | 淄博豪迈实验室装备有限公司 | Multi-blade gas flow regulating and detecting device |
| CN113268091B (en) * | 2021-05-25 | 2022-09-06 | 淄博豪迈实验室装备有限公司 | Multi-blade gas flow regulating and detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yuan Fulin Inventor after: Huang Can Inventor after: Wang Binxing Inventor after: Wei Siqi Inventor after: Xu Chuanchuan Inventor after: Liu Yanhong Inventor before: Yuan Fulin Inventor before: Huang Can Inventor before: Wang Binxing Inventor before: Wei Siqi Inventor before: Xu Chuan Inventor before: Liu Yanhong |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200413 Address after: 475200 Qixian County industrial agglomeration area, Kaifeng City, Henan Province, middle section of No. four road Co-patentee after: DONGGUAN SHENZHEN CHIWAN PORT AFFAIRS Co.,Ltd. Patentee after: COFCO engineering Maosheng equipment (Henan) Co., Ltd Co-patentee after: COFCO RESEARCH & ENGINEERING (ZHENGZHOU) Co.,Ltd. Address before: 475200 Qixian County industrial agglomeration area, Kaifeng City, Henan Province, middle section of No. four road Co-patentee before: DONGGUAN SHENZHEN CHIWAN PORT AFFAIRS Co.,Ltd. Patentee before: HENAN MAOSHENG MACHINERY MANUFACTURING Co.,Ltd. Co-patentee before: COFCO RESEARCH & ENGINEERING (ZHENGZHOU) Co.,Ltd. |