CN208886072U - A kind of two-way butterfly valve with filtering function - Google Patents
A kind of two-way butterfly valve with filtering function Download PDFInfo
- Publication number
- CN208886072U CN208886072U CN201821716050.XU CN201821716050U CN208886072U CN 208886072 U CN208886072 U CN 208886072U CN 201821716050 U CN201821716050 U CN 201821716050U CN 208886072 U CN208886072 U CN 208886072U
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- China
- Prior art keywords
- filter
- butterfly valve
- fixed cylinder
- filtering function
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 37
- 238000003756 stirring Methods 0.000 claims description 9
- 238000003032 molecular docking Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 230000000452 restraining effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a kind of two-way butterfly valves with filtering function, including fixed cylinder, one end of the fixed cylinder is connected with connecting flange, the side of the connecting flange is evenly distributed with connection bolt two, the end thread of the connection bolt two is connected with attaching nut two, the other end of the fixed cylinder is connected with terminal pad, one end of the fixed tube inner chamber slidably connects filter one, the side of the filter one is connected with filter plate one, butterfly valve is connect by the two-way butterfly valve with filtering function by setting connecting flange and connection bolt two with admission line, by the way that connecting plate one is arranged, terminal pad and connection bolt one are convenient for for the butterfly valve connecting with outlet pipe, by setting telescopic rod and bolt is adjusted convenient for adjusting the distance between mounting rack and fixed cylinder, flexibility is higher, by the way that mounting rack is arranged, fixed column, Connecting plate two and connecting screw are convenient for the butterfly valve carrying out installation fixation.
Description
Technical field
The utility model relates to valve technology field, specially a kind of two-way butterfly valve with filtering function.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, simultaneously can be used for the switch of low pressure pipeline medium
Control；Butterfly valve refers to that closure member is disk, and a kind of valve of open and close is reached around valve shaft rotation, is mainly risen on pipeline
To the effect of cutting and throttling；Without assembly filter screen on existing butterfly valve, cause foreign matter in pipeline be easy by butterfly valve into
Enter mechanical pump, if desired butterfly valve has filtering function, needs to install filter screen before and after butterfly valve, and therefore, existing butterfly valve cannot
It realizes to pipeline control and filtering integral.
As the patent of application publication number CN207080622U discloses a kind of butterfly valve with filtering function, including valve body and
Valve system；It is equipped with screw rod between valve body and valve system, controls valve system in the intracorporal rotation of valve by adjusting screw rod；Valve body side
For inlet end, the other side is outlet side；Valve system includes the filter screen for obstructing the valve of gas disengaging and being filtered to gas；
Valve includes the first valve and the second valve；First valve and the corresponding setting of the second valve, and the both ends of the first valve and
The both ends of second valve have gap；Filter screen includes the first filter screen and the second filter screen；First filter screen is in first
Gap and connect with the first valve and the second valve by interconnecting piece, but this have the butterfly valve filter effect of filtering function compared with
Difference, inconvenience installation and removal, the stability of adjusting gas flow is poor, and anti-seismic performance is poor, and use is more inconvenient.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, is provided a kind of two-way with filtering function
Butterfly valve, filter effect is preferable, is easy for installation and removal, and the stability of adjusting gas flow is preferable, good seismic performance, using compared with
To be convenient, the problems in background technique can be effectively solved.
To achieve the above object, the utility model provides the following technical solutions: a kind of two-way butterfly valve with filtering function,
Including fixed cylinder, one end of the fixed cylinder is connected with connecting flange, and the side of the connecting flange is evenly distributed with connection spiral shell
The end thread of bolt two, the connection bolt two is connected with attaching nut two, and the other end of the fixed cylinder is connected with terminal pad,
One end of the fixed tube inner chamber slidably connects filter one, and the side of the filter one is connected with filter plate one, described
The side of filter plate one is evenly distributed with filter hole three, and the other end of the fixed tube inner chamber slidably connects filter two, institute
The bottom for stating filter two is evenly distributed with filter hole two, and the inner cavity of the filter two is equipped with active carbon filtration core, the mistake
The side of filter two is connected with cover board, and the side of the cover board is evenly distributed with filter hole one, the center of the fixed tube inner chamber
Adjustable plate is rotatably connected at position, the upper surface of the adjustable plate is connected with drive rod one, and the fixed cylinder upper surface is opposite
It answers and is equipped with fixed frame at the position right above adjustable plate, the drive rod one is rotatablely connected with fixed frame, the top of the drive rod
End is equipped with gear two, and the side of the fixed frame is rotatably connected to drive rod two, and the end of the drive rod two is equipped with gear one,
The end of the drive rod two, which is connected with, stirs setting stick, and the side for stirring setting stick is equipped with dial, the side of the fixed cylinder
Face is equipped with fixed ring, and the side of the fixed ring is connected with connecting plate three, and the side of the connecting plate three is equipped with spring, the bullet
The end of spring is connected with telescopic rod, and the flank threads of the telescopic rod are connected with adjusting bolt, the end connection of the telescopic rod
There is connecting plate two, the side of the connecting plate two is equipped with fixed column, and the side of the fixed column slidably connects mounting rack.
As a kind of optimal technical scheme of the utility model, the side of the connecting flange is equipped with docking groove, described right
The side of access slot is equipped with seal washer one.
As a kind of optimal technical scheme of the utility model, the side of the terminal pad is uniform at the position of proximal edge
Connecting plate one is distributed with, the side of the connecting plate one is equipped with seal washer two, and the side of the connecting plate one is equipped with through-hole, institute
It states and slidably connects connection bolt one in through-hole, the end thread of the connection bolt one is connected with attaching nut one.
As a kind of optimal technical scheme of the utility model, the side of the filter one connects restraining position ring block, described
The side of stop collar is evenly distributed with fixing screws, and the side of the stop collar is symmetrically arranged with handle.
As a kind of optimal technical scheme of the utility model, the fixed cylinder upper surface is at the position of filter one
Equipped with threaded hole, the threaded hole internal screw thread is connected with fixing bolt.
As a kind of optimal technical scheme of the utility model, the side of the cover board is equipped with external screw thread, the cover board with
Filter two is threadedly coupled, and the side of the cover board is set there are two fixing seat, is connected with handle between two fixing seats.
As a kind of optimal technical scheme of the utility model, the diameter of the filter hole one is less than the straight of filter hole two
Diameter, the diameter of the filter hole two are less than the diameter of filter hole three.
As a kind of optimal technical scheme of the utility model, the lower surface of the adjustable plate is connected with shaft, and described turn
Side and extension of the axis through fixed cylinder, the bottom of the shaft are equipped with position-arresting disk, and the shaft side is equipped with seal washer three.
As a kind of optimal technical scheme of the utility model, the gear one and gear two are helical gear, the tooth
Wheel one and the engagement connection of gear two.
As a kind of optimal technical scheme of the utility model, the mounting rack is made of upper mounting ring and lower mounting ring,
The side of the upper mounting ring and lower mounting ring is connected with connecting screw, and the end thread of the connecting screw is connected with fastening spiral shell
It is female.
Compared with prior art, the utility model has the beneficial effects that
1, by setting filter one, filter plate one and filter hole three convenient for carrying out preliminary filtering to gas, by setting
Filter two, filter hole two, active carbon filtration core and filter hole one are set convenient for carrying out secondary filtering to gas, improves filtering
Effect, use are more convenient；
2, by setting handle, cover board and external screw thread it is convenient for that the taking-up of filter two is cleaned and safeguarded, passes through setting
Handle, fixing screws, fixing bolt and stop collar are convenient for that the taking-up of filter plate one is cleared up or replaced, by the way that spring is arranged
Convenient for improving the shock resistance of the butterfly valve, practicability is stronger；
3, it is rotated by the way that gear one is arranged, stirs setting stick and gear two convenient for drive adjustable plate, the stream of regulating gas
Speed improves adjustable plate by setting position-arresting disk and shaft and turns by setting dial convenient for the rotation angle of observation adjustable plate
Stability when dynamic, easily facilitates the adjusting to gas flow rate；
4, by setting connecting flange and connection bolt two convenient for butterfly valve to be connect with admission line, by the way that connecting plate is arranged
One, terminal pad and connection bolt one are convenient for convenient for connecting the butterfly valve with outlet pipe by setting telescopic rod and adjusting bolt
The distance between mounting rack and fixed cylinder are adjusted, flexibility is higher, passes through setting mounting rack, fixed column, connecting plate two and connection
Screw rod is convenient for the butterfly valve carrying out installation fixation.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic diagram；
Fig. 3 is the utility model section structural schematic diagram.
In figure: 1 fixed cylinder, 2 connecting plates one, 3 terminal pads, 4 dials, 5 connection bolts one, 6 fixed frames, 7 stir setting stick,
8 connecting plates two, 9 mounting racks, 10 connecting screws, 11 fixed columns, 12 telescopic rods, 13 filters one, 14 docking grooves, 15 filter plates
One, 16 connection bolt two, 17 connecting flanges, 18 fixed rings, 19 filter plates two, 20 fixing seats, 21 handles, 22 filter hole one, 23
Cover board, 24 connecting plates three, 25 springs, 26 adjustable plates, 27 gears one, 28 gears two, 29 filters two, 30 filter hole two, 31 are living
Property charcoal filtration core, 32 external screw threads, 33 position-arresting disks, 34 handles, 35 fixing bolts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of two-way butterfly valve with filtering function, packet
Fixed cylinder 1 is included, one end of fixed cylinder 1 is connected with connecting flange 17, and the side of connecting flange 17 is evenly distributed with connection bolt two
16, the end thread of connection bolt 2 16 is connected with attaching nut two, by connecting flange 17 and connects bolt 2 16 for the butterfly
Valve is connect with admission line, and the other end of fixed cylinder 1 is connected with terminal pad 3, and one end of 1 inner cavity of fixed cylinder slidably connects filtering
Device 1, the side of filter 1 are connected with filter plate 1, and the side of filter plate 1 is evenly distributed with filter hole three, Gu
The other end of 1 inner cavity of safety barrel slidably connects filter 2 29, and the bottom of filter 2 29 is evenly distributed with filter hole 2 30, mistake
The inner cavity of filter 2 29 is equipped with active carbon filtration core 31, and the side of filter 2 29 is connected with cover board 23, and the side of cover board 23 is equal
Even that filter hole 1 is distributed with, gas first passes through filter plate 1 after entering fixed cylinder 1 and filter hole three carries out primary filtration, into
And pass through filter 2 29 and carry out secondary filter, filter effect is preferable, and the center position of 1 inner cavity of fixed cylinder is rotatably connected to tune
Plate 26 is saved, the upper surface of adjustable plate 26 is connected with drive rod one, the position right above the corresponding adjustable plate 26 in 1 upper surface of fixed cylinder
Place is equipped with fixed frame 6, and drive rod one and fixed frame 6 are rotatablely connected, and the top of drive rod is equipped with gear 2 28, the side of fixed frame 6
Face is rotatably connected to drive rod two, and the end of drive rod two is equipped with gear 1, and the end of drive rod two, which is connected with, stirs setting stick
7, setting stick 7 is stirred in rotation, is rotated, and then rotate adjustable plate 26 by one 27 band moving gear 2 28 of gear, is played adjusting
The effect of gas flow rate, the side for stirring setting stick 7 are equipped with dial 4, the rotation angle of adjustable plate 26 can be observed by dial 4
The side of degree, fixed cylinder 1 is equipped with fixed ring 18, and the side of fixed ring 18 is connected with connecting plate 3 24, the side of connecting plate 3 24
Equipped with spring 25, the end of spring 25 is connected with telescopic rod 12, and the flank threads of telescopic rod 12 are connected with adjusting bolt, telescopic rod
12 end is connected with connecting plate 28, and the side of connecting plate 28 is equipped with fixed column 11, and the side of fixed column 11 slidably connects
Mounting rack 9, the side of connecting flange 17 are equipped with docking groove 14, and the side of docking groove 14 is equipped with seal washer one, the side of terminal pad 3
Face is evenly distributed with connecting plate 1 at the position of proximal edge, and the side of connecting plate 1 is equipped with seal washer two, connecting plate 1
Side be equipped with through-hole, connection bolt 1 is slidably connected in through-hole, the end thread of connection bolt 1 is connected with connection spiral shell
The butterfly valve is connect with outlet pipe by connecting plate 1, terminal pad 3 and connection bolt 1, passes through seal washer one by mother one
The leakproofness of junction can be improved with seal washer two, the side of filter 1 connects restraining position ring block, the side of stop collar
Fixing screws are evenly distributed with, the side of stop collar is symmetrically arranged with handle 34, and 1 upper surface of fixed cylinder is close to the position of filter 1
It sets place and is equipped with threaded hole, threaded hole internal screw thread is connected with fixing bolt 35, passes through handle 34, fixing screws, 35 and of fixing bolt
Filter plate 1 can be taken out and be cleared up or be replaced by stop collar, and the side of cover board 23 is equipped with external screw thread 32, cover board 23 with
Filter 2 29 is threadedly coupled, and the side of cover board 23 is set there are two fixing seat 20, is connected with handle 21 between two fixing seats 20,
By handle 21, cover board 23 and external screw thread 32 can by filter 2 29 take out be cleaned and be safeguarded, filter hole 1 it is straight
Diameter is less than the diameter of filter hole 2 30, and the diameter of filter hole 2 30 is less than the diameter of filter hole three, and the lower surface of adjustable plate 26 connects
It is connected to shaft, side and extension of the shaft through fixed cylinder 1, the bottom of shaft is equipped with position-arresting disk 33, and shaft side is equipped with sealing
Washer three, gear 1 and gear 2 28 are helical gear, gear 1 and the engagement connection of gear 2 28, and mounting rack 9 is by upper peace
It fills ring and lower mounting ring forms, the side of upper mounting ring and lower mounting ring is connected with connecting screw 10, the end of connecting screw 10
It is threaded with fastening nut.
When in use: the butterfly valve being connect with admission line by connecting flange 17 and connection bolt 2 16, passes through connection
The butterfly valve is connect by plate 1, terminal pad 3 and connection bolt 1 with outlet pipe, can by seal washer one and seal washer two
To improve the leakproofness of junction, setting stick 7 is stirred in rotation, is rotated by one 27 band moving gear 2 28 of gear, and then make adjustable plate
26 are rotated, and regulating gas flow velocity is played the role of, and the rotation angle of adjustable plate 26, gas can be observed by dial 4
Filter plate 1 is first passed through after into fixed cylinder 1 and filter hole three carries out primary filtration, and then carries out two by filter 2 29
Secondary filtering, filter effect are preferable.
The utility model have it is below the utility model has the advantages that 1, by setting filter 1, filter plate 1 and filter hole three
Convenient for carrying out preliminary filtering to gas, pass through setting filter 2 29, filter hole 2 30, active carbon filtration core 31 and filter hole
One 22, convenient for carrying out secondary filtering to gas, improve filter effect, use is more convenient；
2, by setting handle 21, cover board 23 and external screw thread 32 it is convenient for that the taking-up of filter 2 29 is cleaned and safeguarded,
It is convenient for carrying out the taking-up of filter plate 1 cleaning or more by setting handle 34, fixing screws, fixing bolt 35 and stop collar
It changes, the shock resistance of the butterfly valve is improved by setting spring 25, practicability is stronger；
3, by the way that gear 1 is arranged, stirs setting stick 7 and gear 2 28 convenient for driving adjustable plate 26 to be rotated, gas is adjusted
The flow velocity of body is improved by setting dial 4 convenient for the rotation angle of observation adjustable plate 26 by setting position-arresting disk 33 and shaft
Stability when adjustable plate 26 rotates, easily facilitates the adjusting to gas flow rate；
4, connected convenient for being connect with admission line butterfly valve by setting by setting connecting flange 17 and connection bolt 2 16
Fishplate bar 1, terminal pad 3 and connection bolt 1 by setting telescopic rod 12 and are adjusted convenient for connecting the butterfly valve with outlet pipe
For bolt convenient for adjusting the distance between mounting rack 9 and fixed cylinder 1, flexibility is higher, by setting mounting rack 9, fixed column 11, connects
Fishplate bar 28 and connecting screw 10 are convenient for the butterfly valve carrying out installation fixation.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of two-way butterfly valve with filtering function, including fixed cylinder (1), it is characterised in that: one end of the fixed cylinder (1)
It is connected with connecting flange (17), the side of the connecting flange (17) is evenly distributed with connection bolt two (16), the connection spiral shell
The end thread of bolt two (16) is connected with attaching nut two, and the other end of the fixed cylinder (1) is connected with terminal pad (3), described
One end of fixed cylinder (1) inner cavity slidably connects filter one (13), and the side of the filter one (13) is connected with filter plate
One (15), the side of the filter plate one (15) are evenly distributed with filter hole three, the other end sliding of fixed cylinder (1) inner cavity
It is connected with filter two (29), the bottom of the filter two (29) is evenly distributed with filter hole two (30), the filter two
(29) inner cavity is equipped with active carbon filtration core (31), and the side of the filter two (29) is connected with cover board (23), the cover board
(23) side is evenly distributed with filter hole one (22), and the center position of fixed cylinder (1) inner cavity is rotatably connected to adjusting
Plate (26), the upper surface of the adjustable plate (26) are connected with drive rod one, the corresponding adjustable plate in fixed cylinder (1) upper surface
(26) fixed frame (6) are equipped at the position right above, the drive rod one is rotatablely connected with fixed frame (6), the drive rod
Top is equipped with gear two (28), and the side of the fixed frame (6) is rotatably connected to drive rod two, and the end of the drive rod two is set
There is gear one (27), the end of the drive rod two, which is connected with, stirs setting stick (7), and the side for stirring setting stick (7), which is equipped with, carves
The side of scale (4), the fixed cylinder (1) is equipped with fixed ring (18), and the side of the fixed ring (18) is connected with connecting plate three
(24), the side of the connecting plate three (24) is equipped with spring (25), and the end of the spring (25) is connected with telescopic rod (12), institute
The flank threads for stating telescopic rod (12) are connected with adjusting bolt, and the end of the telescopic rod (12) is connected with connecting plate two (8), institute
The side for stating connecting plate two (8) is equipped with fixed column (11), and the side of the fixed column (11) slidably connects mounting rack (9).
2. the two-way butterfly valve with filtering function of one kind according to claim 1, it is characterised in that: the connecting flange
(17) side is equipped with docking groove (14), and the side of the docking groove (14) is equipped with seal washer one.
3. the two-way butterfly valve with filtering function of one kind according to claim 1, it is characterised in that: the terminal pad (3)
Side be evenly distributed with connecting plate one (2) at the position of proximal edge, the side of the connecting plate one (2) is equipped with seal washer
Two, the side of the connecting plate one (2) is equipped with through-hole, and connection bolt one (5), the connection spiral shell are slidably connected in the through-hole
The end thread of bolt one (5) is connected with attaching nut one.
4. the two-way butterfly valve with filtering function of one kind according to claim 1, it is characterised in that: the filter one
(13) side connects restraining position ring block, and the side of the stop collar is evenly distributed with fixing screws, the side pair of the stop collar
Claim to be equipped with handle (34).
5. the two-way butterfly valve with filtering function of one kind according to claim 1, it is characterised in that: the fixed cylinder (1)
Upper surface is equipped with threaded hole at the position of filter one (13), and the threaded hole internal screw thread is connected with fixing bolt (35).
6. the two-way butterfly valve with filtering function of one kind according to claim 1, it is characterised in that: the cover board (23)
Side is equipped with external screw thread (32), and the cover board (23) is threadedly coupled with filter two (29), and the side of the cover board (23) is equipped with
Two fixing seats (20) are connected with handle (21) between two fixing seats (20).
7. the two-way butterfly valve with filtering function of one kind according to claim 1, it is characterised in that: the filter hole one
(22) diameter is less than the diameter of filter hole two (30), and the diameter of the filter hole two (30) is less than the diameter of filter hole three.
8. the two-way butterfly valve with filtering function of one kind according to claim 1, it is characterised in that: the adjustable plate (26)
Lower surface be connected with shaft, side and extension of the shaft through fixed cylinder (1), the bottom of the shaft is equipped with position-arresting disk
(33), the shaft side is equipped with seal washer three.
9. the two-way butterfly valve with filtering function of one kind according to claim 1, it is characterised in that: the gear one (27)
It is helical gear with gear two (28), the gear one (27) and gear two (28) engagement connection.
10. the two-way butterfly valve with filtering function of one kind according to claim 1, it is characterised in that: the mounting rack (9)
It is made of upper mounting ring and lower mounting ring, the side of the upper mounting ring and lower mounting ring is connected with connecting screw (10), described
The end thread of connecting screw (10) is connected with fastening nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716050.XU CN208886072U (en) | 2018-10-23 | 2018-10-23 | A kind of two-way butterfly valve with filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716050.XU CN208886072U (en) | 2018-10-23 | 2018-10-23 | A kind of two-way butterfly valve with filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208886072U true CN208886072U (en) | 2019-05-21 |
Family
ID=66516888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821716050.XU Withdrawn - After Issue CN208886072U (en) | 2018-10-23 | 2018-10-23 | A kind of two-way butterfly valve with filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208886072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000016A (en) * | 2018-10-23 | 2018-12-14 | 镇江市神龙电器管件有限公司 | A kind of two-way butterfly valve with filtering function |
| CN115929921A (en) * | 2022-12-28 | 2023-04-07 | 安徽纵横泵阀制造有限公司 | Ventilation butterfly valve |
-
2018
- 2018-10-23 CN CN201821716050.XU patent/CN208886072U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000016A (en) * | 2018-10-23 | 2018-12-14 | 镇江市神龙电器管件有限公司 | A kind of two-way butterfly valve with filtering function |
| CN109000016B (en) * | 2018-10-23 | 2023-11-17 | 镇江市神龙电器管件有限公司 | Two-way butterfly valve with filtering capability |
| CN115929921A (en) * | 2022-12-28 | 2023-04-07 | 安徽纵横泵阀制造有限公司 | Ventilation butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190521 Effective date of abandoning: 20231117 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190521 Effective date of abandoning: 20231117 |