CN208397416U - A kind of double butterfly switch components - Google Patents
A kind of double butterfly switch components Download PDFInfo
- Publication number
- CN208397416U CN208397416U CN201820581326.1U CN201820581326U CN208397416U CN 208397416 U CN208397416 U CN 208397416U CN 201820581326 U CN201820581326 U CN 201820581326U CN 208397416 U CN208397416 U CN 208397416U
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- Prior art keywords
- fixedly connected
- outside
- bottom plate
- butterfly
- butterfly valve
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000003381 stabilizer Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a kind of double butterfly switch components, including bottom plate, two sides at the top of the bottom plate are fixedly connected to butterfly valve ontology, the inner bottom wall of the butterfly valve ontology offers fixing groove, the inner bottom wall of the fixing groove is fixedly connected with No.1 bearing, and the inner ring fixation of the No.1 bearing is plugged with valve rod, and the outside fixing sleeve of the stem bottom is connected to sealing ring, the outside of the sealing ring and the inner wall of fixing groove mutually overlap, and the two sides of the valve rod are fixedly connected to flap.This device is when in use, by being in contact on the outside of the outside of No.1 tilted block and No. two tilted blocks, No. two tilted blocks are squeezed by No.1 tilted block, make No. two tilted blocks that gag lever post be pulled to move down, so that gag lever post is left limiting slot, limit gag lever post no longer to fluted disc, make that gear and fluted disc is driven to be meshed, make to drive the operating of gear band active toothed disk, to control the unlatching or closing of butterfly valve ontology, makes this device that can control double butterfly valves by a power source.
Description
Technical field
The utility model relates to butterfly valve technical field, specially a kind of double butterfly switch components.
Background technique
Butterfly valve refers to that closure member is disk, and a kind of valve of open and close is reached around valve shaft rotation, main on pipeline
Cutting and throttling action are played, butterfly valve opening and closing element is a discoidal butterfly plate, it is rotated in valve body around the axis of its own, from
And achieving the purpose that opening and closing or adjusting, butterfly valve is suitable for producer, coal gas, natural gas, liquefied petroleum gas, town gas, cold and hot
Air, chemical industry smelt and the engineering systems such as generation environment-friendly in convey various corrosivity, non-corrosive fluids medium pipeline on, use
In the flowing for adjusting and being truncated medium.
Butterfly valve is widely used in every field, often using double butterfly valves on internal combustion engine, to control the air inlet of internal combustion engine
And exhaust, however the double butterfly valves used on internal combustion engine generally require multiple power sources, so that double butterfly valves are opened or closed,
However multiple power sources are easy to happen uncontrollable problem when in use, this also exists use of double butterfly valves on internal combustion engine
Many restrictions.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of double butterfly switch components, and having can be by one
Power source needs what multiple power sources controlled it to ask when in use the advantages that controlling double butterfly valves, to solve traditional double butterfly valves
Topic.
(2) technical solution
To realize the purpose for controlling double butterfly valves above by a power source, the utility model provides following technical side
Case: a kind of double butterfly switch components, including bottom plate, the two sides at the top of the bottom plate are fixedly connected to butterfly valve ontology, the butterfly
The inner bottom wall of valve body offers fixing groove, and the inner bottom wall of the fixing groove is fixedly connected with No.1 bearing, the No.1 bearing
Inner ring it is fixed be plugged with valve rod, the outside fixing sleeve of the stem bottom is connected to sealing ring, the outside of the sealing ring and solid
The inner wall for determining slot mutually overlaps, and the two sides of the valve rod are fixedly connected to flap, and sealing is fixedly connected on the outside of the flap
Pad, the outside of the gasket are mutually overlapped with the inner wall of butterfly valve ontology, are fixedly connected with gear on the left of the butterfly valve inner body wall
The top fixation of plate, the butterfly valve ontology is plugged with casing, and oil sealing, the top of the valve rod are fixedly connected at the top of described sleeve pipe
Portion is through casing and oil sealing and the top for extending to butterfly valve ontology, the outside fixing sleeve of the valve stem top are connected to No. two bearings,
The outside fixing sleeve of No. two bearings is connected to fixed disk, and the two sides of the fixed pan bottom are fixedly connected to Packing spring,
It is fixedly connected at the top of the bottom of the Packing spring and oil sealing, fluted disc, the fixation is fixedly connected at the top of the valve rod
Pan bottom is fixedly connected with support plate close to the side of bottom plate central axes, and the support plate is opened up close to the side of bottom plate central axes
There is No.1 sliding slot, the butterfly valve ontology is fixedly connected with sliding rail, the outside activity of the sliding rail close to the side of bottom plate central axes
It is socketed with slip pipe, decelerating motor is fixedly connected at the top of the slip pipe, is fixedly connected at the top of the geared motor output shaft
There is driving gear, the driving gear is adapted with fluted disc, and the two sides of the decelerating motor are fixedly connected to No.1 tilted block,
The fixed disk is fixedly connected with siphunculus close to the side of bottom plate central axes, and the inside activity of the siphunculus is plugged with gag lever post,
The bottom of the fluted disc offers limiting slot, and the top of the gag lever post is mutually overlapped with the inner wall of limiting slot, and the gag lever post leans on
The side of nearly fixed disk is fixedly connected with No.1 support rod, and the No.1 support rod back side passes through shaft far from one end of gag lever post
It is connected with No.1 pulley, the outside of the No.1 pulley and the inner wall of No.1 sliding slot are slidably connected, the bottom of the gag lever post
Portion is fixedly connected with No. two tilted blocks, and the bottom of No. two tilted blocks is fixedly connected with limit spring, the limit spring
It is fixedly connected at the top of bottom and sliding rail.
Preferably, the positive Middle face of the stabiliser bar is fixedly connected with connecting rod, and the right side of the connecting rod bottom is fixed to be connected
It is connected to electric pushrod, the right side at the electric pushrod back side is fixedly connected with the front of bottom plate.
Preferably, the bottom plate is rectangle, and bottom plate is aluminum alloy material.
Preferably, the butterfly valve ontology totally two, and two butterfly valve ontologies is cylinder.
Preferably, the fluted disc totally two, and the bottom of two fluted discs is equidistant offers limiting slot.
Preferably, the No.1 pulley and No. two pulleys are two, and No.1 pulley and No. two pulleys are aluminium alloy
Material.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of double butterfly switch components, have it is following the utility model has the advantages that
1, double butterfly switch components, by decelerating motor, driving gear, fluted disc, No.1 tilted block, No. two tilted blocks,
Being used cooperatively for gag lever post and limiting slot, makes this device when in use, by the movement of decelerating motor, to make No.1 tilted block
It moves, makes to be in contact on the outside of the outside of No.1 tilted block and No. two tilted blocks, squeeze No. two by No.1 tilted block and incline
Skewback, so that gag lever post be made to leave limiting slot, keeps gag lever post no longer right to make No. two tilted blocks that gag lever post be pulled to move down
Fluted disc is limited, to make that gear and fluted disc is driven to be meshed, makes to drive the operating of gear band active toothed disk, to control butterfly valve sheet
The unlatching or closing of body, so that this device be made to move left and right by decelerating motor so that the double butterfly valves of control, make this device can
Double butterfly valves are controlled by a power source, are solved traditional double butterfly valves and are needed what multiple power sources controlled it to ask when in use
Topic.
2, double butterfly switch components make this dress by being used cooperatively for No.1 support rod, No.1 sliding slot and No.1 pulley
It sets when in use, No. two tilted blocks by No.1 tilted block after being squeezed, by No.1 pulley and No.1 sliding slot to No.1 support rod
It is limited, so that No.1 support rod be made not can rotate, to make No. two tilted blocks can only be into after being squeezed by No.1 tilted block
Row moves up and down, and when in use so as to avoid this device, No. two tilted blocks generate rotation, can not leave so as to cause gag lever post
The problem of limiting slot, making this device, it is more convenient to use, reduces the failure rate of this device.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is enlarged drawing at B in Fig. 1；
Fig. 4 is fluted disc bottom schematic view.
In figure: 1 bottom plate, 2 butterfly valve ontologies, 3 fixing grooves, 4 No.1 bearings, 5 valve rods, 6 sealing rings, 7 flaps, 8 gaskets, 9
Baffle, 10 casings, 11 oil sealings, 12 No. two bearings, 13 fixed disks, 14 Packing springs, 15 fluted discs, 16 support plates, 17 No.1 sliding slots,
18 sliding rails, 19 slip pipes, 20 decelerating motors, 21 driving gears, 22 No.1 tilted blocks, 23 siphunculus, 24 gag lever posts, 25 limiting slots, 26
No.1 support rod, 27 No.1 pulleys, 28 No. two tilted blocks, 29 limit springs, 30 No. two support rods, 31 stabiliser bars, 32 No. two cunnings
Wheel, 33 No. two sliding slots, 34 connecting rods, 35 electric pushrods.
Specific embodiment
Fig. 1-4, a kind of double butterfly switch components, including bottom plate 1 are please referred to, bottom plate 1 is rectangle, and bottom plate 1 is aluminium conjunction
Golden material, the two sides at the top of bottom plate 1 are fixedly connected to butterfly valve ontology 2, and butterfly valve ontology 2 totally two, and two butterfly valve ontologies 2
It is cylinder, the inner bottom wall of butterfly valve ontology 2 offers fixing groove 3, and the inner bottom wall of fixing groove 3 is fixedly connected with No.1 bearing 4,
The inner ring fixation of No.1 bearing 4 is plugged with valve rod 5, and the outside fixing sleeve of 5 bottom of valve rod is connected to sealing ring 6, the outside of sealing ring 6
It is mutually overlapped with the inner wall of fixing groove 3, the two sides of valve rod 5 are fixedly connected to flap 7, and the outside of flap 7 is fixedly connected with sealing
Pad 8, the outside of gasket 8 are mutually overlapped with the inner wall of butterfly valve ontology 2, are fixedly connected with baffle 9 on the left of 2 inner wall of butterfly valve ontology,
The top fixation of butterfly valve ontology 2 is plugged with casing 10, and the top of casing 10 is fixedly connected with oil sealing 11, and the top of valve rod 5 is run through
Casing 10 and oil sealing 11 and the top for extending to butterfly valve ontology 2, the outside fixing sleeve at the top of valve rod 5 are connected to No. two bearings 12, and two
The outside fixing sleeve of number bearing 12 is connected to fixed disk 13, and the two sides of 13 bottom of fixed disk are fixedly connected to Packing spring 14, close
The bottom of envelope spring 14 is fixedly connected with the top of oil sealing 11, and the top of valve rod 5 is fixedly connected with fluted disc 15,13 bottom of fixed disk
Side close to 1 central axes of bottom plate is fixedly connected with support plate 16, and support plate 16 offers one close to the side of 1 central axes of bottom plate
Number sliding slot 17, butterfly valve ontology 2 are fixedly connected with sliding rail 18, the outside pivot bush unit of sliding rail 18 close to the side of 1 central axes of bottom plate
There is slip pipe 19, the top of slip pipe 19 is fixedly connected with decelerating motor 20, is fixedly connected with drive at the top of 20 output shaft of decelerating motor
Moving gear 21, driving gear 21 are adapted with fluted disc 15, and the two sides of decelerating motor 20 are fixedly connected to No.1 tilted block 22, Gu
Price fixing 13 is fixedly connected with siphunculus 23 close to the side of 1 central axes of bottom plate, and the inside activity of siphunculus 23 is plugged with gag lever post 24, tooth
The bottom of disk 15 offers limiting slot 25, and fluted disc 15 totally two, and the bottom of two fluted discs 15 is equidistant offers limiting slot
25, totally two designs of fluted disc 15 make this device when in use, by moving left and right for decelerating motor 20, to make sliding tooth
Wheel 21 moves left and right therewith, to make to drive gear 21 that can easily be meshed with two fluted discs 15, makes the control of double butterfly valves more
The convenience added, to make this device, it is more convenient to use, and the top of gag lever post 24 is mutually overlapped with the inner wall of limiting slot 25, limit
Position bar 24 is fixedly connected with No.1 support rod 26 close to the side of fixed disk 13, and 26 back side of No.1 support rod is far from gag lever post 24
One end is connected with No.1 pulley 27 by shaft, and the outside of No.1 pulley 27 and the inner wall of No.1 sliding slot 17 are slidably connected,
The bottom of gag lever post 24 is fixedly connected with No. two tilted blocks 28, and when in use, No. two tilted blocks 28 tilt this device by No.1
After block 22 squeezes, No.1 support rod 26 is limited by No.1 pulley 27 and No.1 sliding slot 17, to make No.1 support rod
26 not can rotate, to make No. two tilted blocks 28 that can only move up and down after being squeezed by No.1 tilted block 22, to avoid
This device when in use, the problem of No. two tilted blocks 28 generate rotation, so as to cause gag lever post 24 can not leave limiting slot 25,
Making this device, it is more convenient to use, reduces the failure rate of this device, and the bottom of No. two tilted blocks 28 is fixedly connected limited
Position spring 29, the bottom of limit spring 29 are fixedly connected with the top of sliding rail 18, this device when in use, passes through decelerating motor 20
Movement make the outside phase in the outside of No.1 tilted block 22 with No. two tilted blocks 28 so that No.1 tilted block 22 be made to move
Contact squeezes No. two tilted blocks 28 by No.1 tilted block 22, thus make No. two tilted blocks 28 that gag lever post 24 be pulled to move down,
To make gag lever post 24 leave limiting slot 25, limit gag lever post 24 no longer to fluted disc 15, to make to drive 21 He of gear
Fluted disc 15 is meshed, and makes that gear 21 is driven to operate with active toothed disk 15, so that the unlatching or closing of butterfly valve ontology 2 are controlled, thus
Move left and right this device so that the double butterfly valves of control, control this device can by a power source by decelerating motor 20
Double butterfly valves solve the problems, such as that traditional double butterfly valves need multiple power sources to control it when in use.
The bottom of slip pipe 19 is fixedly connected with No. two support rods 30, and the bottom of No. two support rods 30 is fixedly connected with stabiliser bar
31, the two sides at 31 back side of stabiliser bar pass through shaft and are connected with No. two pulleys 32, and No.1 pulley 27 and No. two pulleys 32 are equal
It is two, and No.1 pulley 27 and No. two pulleys 32 are aluminum alloy material, No.1 pulley 27 and No. two pulleys 32 are that aluminium closes
The design of golden material keeps the weight of No.1 pulley 27 and No. two pulleys 32 lighter, to make No.1 pulley 27 and No. two pulleys 32
Sliding enhanced convenience, to make this device, it is more convenient to use, and the middle part at the top of bottom plate 1 offers No. two sliding slots
33, the bottom of No. two pulleys 32 and the inner wall of No. two sliding slots 33 are slidably connected, and the positive Middle face of stabiliser bar 31 is fixedly connected with connection
Bar 34 is fixedly connected with electric pushrod 35, the right side at 35 back side of electric pushrod and the front of bottom plate 1 on the right side of 34 bottom of connecting rod
It is fixedly connected, the design of electric pushrod 35 makes this device when in use, by the starting of electric pushrod 35, to push deceleration
Motor 20 moves left and right, to make this device, decelerating motor 20 moves left and right enhanced convenience when in use, makes decelerating motor
The control enhanced convenience of 20 pairs of double butterfly valves.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
Working principle: by the movement of decelerating motor 20, so that No.1 tilted block 22 be made to move, make No.1 tilted block
22 outside is in contact with the outside of No. two tilted blocks 28, No. two tilted blocks 28 is squeezed by No.1 tilted block 22, to make two
Number tilted block 28 pulls gag lever post 24 to move down, so that gag lever post 24 be made to leave limiting slot 25, makes gag lever post 24 no longer to tooth
Disk 15 is limited, to make that gear 21 and fluted disc 15 is driven to be meshed, makes that gear 21 is driven to operate with active toothed disk 15, to control
The unlatching or closing of butterfly valve ontology 2 processed, thus move left and right this device to control pair butterfly valves by decelerating motor 20,
Make this device that can control double butterfly valves by a power source, solves traditional double butterfly valves and need multiple power sources pair when in use
The problem of it is controlled.
Claims (6)
1. a kind of double butterfly switch components, including bottom plate (1), it is characterised in that: the fixed company in two sides at the top of the bottom plate (1)
It is connected to butterfly valve ontology (2), the inner bottom wall of the butterfly valve ontology (2) offers fixing groove (3), the inner bottom wall of the fixing groove (3)
It is fixedly connected with No.1 bearing (4), the inner ring fixation of the No.1 bearing (4) is plugged with valve rod (5), valve rod (5) bottom
Outside fixing sleeve be connected to sealing ring (6), the outside of the sealing ring (6) and the inner wall of fixing groove (3) mutually overlap, the valve rod
(5) two sides are fixedly connected to flap (7), are fixedly connected with gasket (8), the gasket on the outside of the flap (7)
(8) outside and the inner wall of butterfly valve ontology (2) mutually overlap, and are fixedly connected with baffle on the left of butterfly valve ontology (2) inner wall
(9), the top fixation of the butterfly valve ontology (2) is plugged with casing (10), and described sleeve pipe is fixedly connected with oil sealing at the top of (10)
(11), the top of the valve rod (5) is through casing (10) and oil sealing (11) and the top for extending to butterfly valve ontology (2), the valve
Outside fixing sleeve at the top of bar (5) is connected to No. two bearings (12), and the outside fixing sleeve of No. two bearings (12) is connected to fixed disk
(13), the two sides of fixed disk (13) bottom are fixedly connected to Packing spring (14), the bottom of the Packing spring (14)
It is fixedly connected at the top of oil sealing (11), is fixedly connected with fluted disc (15) at the top of the valve rod (5), fixed disk (13) bottom
Portion is fixedly connected with support plate (16) close to the side of bottom plate (1) central axes, and the support plate (16) is close to bottom plate (1) central axes
Side offer No.1 sliding slot (17), the butterfly valve ontology (2) is fixedly connected with sliding rail close to the side of bottom plate (1) central axes
(18), the outside movable sleeve of the sliding rail (18) is connected to slip pipe (19), and deceleration electricity is fixedly connected at the top of the slip pipe (19)
Machine (20), is fixedly connected with driving gear (21) at the top of decelerating motor (20) output shaft, the driving gear (21) and
Fluted disc (15) is adapted, and the two sides of the decelerating motor (20) are fixedly connected to No.1 tilted block (22), the fixed disk
(13) side close to bottom plate (1) central axes is fixedly connected with siphunculus (23), and the inside activity grafting of the siphunculus (23) is limited
Position bar (24), the bottom of the fluted disc (15) offer limiting slot (25), the top and limiting slot (25) of the gag lever post (24)
Inner wall mutually overlap, the gag lever post (24) is fixedly connected with No.1 support rod (26) close to the side of fixed disk (13), described
The one end of No.1 support rod (26) back side far from gag lever post (24) is connected with No.1 pulley (27), the No.1 by shaft
The outside of pulley (27) and the inner wall of No.1 sliding slot (17) are slidably connected, and the bottom of the gag lever post (24) is fixedly connected with No. two
The bottom of tilted block (28), No. two tilted blocks (28) is fixedly connected with limit spring (29), the limit spring (29)
It is fixedly connected at the top of bottom and sliding rail (18)；
The bottom of the slip pipe (19) is fixedly connected with No. two support rods (30), and the bottom of No. two support rods (30) is fixed to be connected
It is connected to stabiliser bar (31), the two sides at stabiliser bar (31) back side pass through shaft and are connected with No. two pulleys (32), described
Middle part at the top of bottom plate (1) offers No. two sliding slots (33), and the bottom of No. two pulleys (32) is interior with No. two sliding slots (33)
Wall is slidably connected.
2. a kind of double butterfly switch components according to claim 1, it is characterised in that: the positive Middle face of the stabiliser bar (31)
It is fixedly connected with connecting rod (34), is fixedly connected with electric pushrod (35) on the right side of connecting rod (34) bottom, it is described electronic
The right side at push rod (35) back side is fixedly connected with the front of bottom plate (1).
3. a kind of double butterfly switch components according to claim 1, it is characterised in that: the bottom plate (1) is rectangle, and
Bottom plate (1) is aluminum alloy material.
4. a kind of double butterfly switch components according to claim 1, it is characterised in that: the butterfly valve ontology (2) totally two,
And two butterfly valve ontologies (2) is cylinder.
5. a kind of double butterfly switch components according to claim 1, it is characterised in that: the fluted disc (15) totally two, and
The bottom of two fluted discs (15) is equidistant to offer limiting slot (25).
6. a kind of double butterfly switch components according to claim 1, it is characterised in that: the No.1 pulley (27) and No. two
Pulley (32) is two, and No.1 pulley (27) and No. two pulleys (32) are aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581326.1U CN208397416U (en) | 2018-04-23 | 2018-04-23 | A kind of double butterfly switch components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581326.1U CN208397416U (en) | 2018-04-23 | 2018-04-23 | A kind of double butterfly switch components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397416U true CN208397416U (en) | 2019-01-18 |
Family
ID=65061340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820581326.1U Expired - Fee Related CN208397416U (en) | 2018-04-23 | 2018-04-23 | A kind of double butterfly switch components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208397416U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801772A (en) * | 2019-03-27 | 2019-05-24 | 江苏海通电器有限公司 | A kind of novel dry power transformer facilitating installation |
| CN110686165A (en) * | 2019-10-15 | 2020-01-14 | 西南石油大学 | Intelligent natural gas pipeline corrosion monitoring device |
| CN110822929A (en) * | 2019-12-03 | 2020-02-21 | 山东节创能源科技有限公司 | Cement kiln waste heat recovery device |
| CN114504964A (en) * | 2022-03-04 | 2022-05-17 | 安徽竞赛食品有限公司 | High-efficient processing equipment of thick gravy seasoning liquid is planted in cold extraction |
-
2018
- 2018-04-23 CN CN201820581326.1U patent/CN208397416U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801772A (en) * | 2019-03-27 | 2019-05-24 | 江苏海通电器有限公司 | A kind of novel dry power transformer facilitating installation |
| CN110686165A (en) * | 2019-10-15 | 2020-01-14 | 西南石油大学 | Intelligent natural gas pipeline corrosion monitoring device |
| CN110822929A (en) * | 2019-12-03 | 2020-02-21 | 山东节创能源科技有限公司 | Cement kiln waste heat recovery device |
| CN114504964A (en) * | 2022-03-04 | 2022-05-17 | 安徽竞赛食品有限公司 | High-efficient processing equipment of thick gravy seasoning liquid is planted in cold extraction |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |