CN113154059A - Vacuum butterfly valve with dust removal function - Google Patents
Vacuum butterfly valve with dust removal function Download PDFInfo
- Publication number
- CN113154059A CN113154059A CN202110503953.XA CN202110503953A CN113154059A CN 113154059 A CN113154059 A CN 113154059A CN 202110503953 A CN202110503953 A CN 202110503953A CN 113154059 A CN113154059 A CN 113154059A
- Authority
- CN
- China
- Prior art keywords
- valve body
- cleaning block
- dust removal
- valve
- fixedly connected
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 title claims abstract description 55
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007664 blowing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a vacuum butterfly valve with a dust removal function, which relates to the technical field of valves, and comprises a valve body and is characterized in that: the disc plate is arranged in the valve body and used for opening or closing the valve body; the dust removal mechanism is arranged in the valve body and used for removing dust in the valve body, and comprises a cleaning block which is positioned on the inner side wall of the valve body; one end of the connecting component is connected with the cleaning block and is used for ensuring the stable movement of the cleaning block; and one end of the driving component is connected with the cleaning block and is used for driving the cleaning block to move. The cleaning block is driven to move by the driving assembly, the connecting assembly ensures the stable movement of the cleaning block, and the cleaning block cleans and removes dust on the inner wall of the valve body, so that the problem that the conventional vacuum butterfly valve does not have a dust removal function and cannot remove dust inside the conventional vacuum butterfly valve is solved.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a vacuum butterfly valve with a dust removal function.
Background
A butterfly valve is called a flap valve, is a regulating valve with simple structure, and can be used for the butterfly read of the on-off control of a low-pressure pipeline medium, namely, a closing member (a valve clack or a butterfly plate) is a disk and rotates around a valve shaft to achieve the opening and closing. 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 member is a disc-shaped butterfly plate, and rotates around the axis of the butterfly plate in the valve body, so that the purpose of opening, closing and adjusting is achieved, the closing member (a valve clack or the butterfly plate) is a kind of opening and closing by rotating the disc around an shaft, and the butterfly valve mainly plays a role in cutting off and throttling on a pipeline. 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 purpose of opening and closing or saving is achieved. The butterfly valve is typically less than 90 degrees fully open to fully closed.
The existing vacuum butterfly valve does not have a dust removal function, and cannot remove dust inside the vacuum butterfly valve, when a large amount of dust exists in the valve body 1, the butterfly valve is not only greatly damaged, but also gas or liquid circulating in the butterfly valve can be polluted, and therefore a vacuum butterfly valve with a dust removal function is urgently needed to solve the problems.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a vacuum butterfly valve with a dust removal function, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a vacuum butterfly valve with dust removal function, includes the valve body, still includes:
the disc plate is arranged in the valve body and used for opening or closing the valve body; and
the dust removal mechanism is arranged inside the valve body and used for removing dust inside the valve body.
As a further scheme of the invention: the dust removal mechanism comprises a cleaning block, and the cleaning block is positioned on the inner side wall of the valve body; and
one end of the connecting component is connected with the cleaning block and used for ensuring the stable movement of the cleaning block; and
and one end of the driving component is connected with the cleaning block and is used for driving the cleaning block to move.
As a further scheme of the invention: coupling assembling includes spout and slider, the symmetry is provided with the spout on the inside lateral wall of valve body, and slidable mounting has the slider in the spout, slider and cleaning block fixed connection.
As a further scheme of the invention: the driving assembly comprises a first motor, a gear, a connecting rod, a rotating rod and a rack, the gear is fixedly connected to the output end of the first motor, one end of the first motor is far away from the gear and is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected to the cleaning block, one side wall of the first motor is far away from the gear and is rotatably connected with one end of the rotating rod, the other end of the rotating rod is fixedly connected to the cleaning block on the other side, the rack is arranged at the bottom end inside the valve body, and the rack is meshed with the gear.
As a further scheme of the invention: the dish board is provided with the pivot, and the inside bottom of valve body is provided with the recess, and the pivot lower extreme rotates to be installed in the recess, and valve body and terminal fixedly connected with handle are run through to the pivot upper end, the valve body upper end is provided with the connecting block, and connecting block top fixedly connected with connecting plate is provided with the screw on the connecting plate.
As a further scheme of the invention: the dust removal device is characterized in that a second motor is arranged in the valve body and is located on one side, away from the dust removal mechanism, of the disc plate, fixing rods are arranged at two ends of the second motor, the tail ends of the fixing rods are fixedly connected to the inner side wall of the valve body, and fan blades are fixedly connected to the output ends of the second motor.
Compared with the prior art, the invention has the beneficial effects that:
the cleaning block is driven to move by the driving assembly, the connecting assembly ensures the stable movement of the cleaning block, and the cleaning block cleans and removes dust on the inner wall of the valve body, so that the problem that the conventional vacuum butterfly valve does not have a dust removal function and cannot remove dust inside the conventional vacuum butterfly valve is solved.
Drawings
Fig. 1 is a front sectional view of a vacuum butterfly valve having a dust removing function.
Fig. 2 is a side view of a vacuum butterfly valve with dust removal.
Fig. 3 is a partial side sectional view of a vacuum butterfly valve having a dust removal function.
FIG. 4 is a schematic structural diagram of a disk plate in a vacuum butterfly valve with a dust removal function.
In the figure: 1. a valve body; 2. a plate; 3. a rotating shaft; 4. a groove; 5. connecting blocks; 6. a connecting plate; 7. a screw; 8. a handle; 9. a first motor; 10. a gear; 11. a connecting rod; 12. a rotating rod; 13. a rack; 14. a cleaning block; 15. a chute; 16. a slider; 17. a second motor; 18. fixing the rod; 19. a fan blade; 20. a valve cover; 21. a boss; 22. a thread; 23. a first sealing ring; 24. and a second sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the present invention, a vacuum butterfly valve with a dust removal function includes a valve body 1, and further includes:
the disc plate 2 is arranged inside the valve body 1 and used for opening or closing the valve body 1; and
the dust removal mechanism is arranged inside the valve body 1 and used for removing dust inside the valve body 1.
As an embodiment of the present invention, please refer to fig. 1 to 3, the dust removing mechanism includes a cleaning block 14, the cleaning block 14 is located on the inner side wall of the valve body 1; and
a connecting assembly, one end of which is connected with the cleaning block 14 and is used for ensuring the stable movement of the cleaning block 14; and
and one end of the driving component is connected with the cleaning block 14 and is used for driving the cleaning block 14 to move.
Referring to fig. 1 and 3, as an embodiment of the present invention, the connecting assembly includes a sliding groove 15 and a sliding block 16, the sliding groove 15 is symmetrically disposed on the inner side wall of the valve body 1, the sliding block 16 is slidably mounted in the sliding groove 15, and the sliding block 16 is fixedly connected to the cleaning block 14. The driving component drives the cleaning block 14 to move, and the cleaning block 14 drives the sliding block 16 to slide in the sliding groove 15, so that the stable movement of the cleaning block 14 is ensured.
Referring to fig. 1 and 3, the driving assembly includes a first motor 9, a gear 10, a connecting rod 11, a rotating rod 12 and a rack 13, the gear 10 is fixedly connected to an output end of the first motor 9, one end of the first motor 9, which is far away from the gear 10, is fixedly connected to one end of the connecting rod 11, the other end of the connecting rod 11 is fixedly connected to a cleaning block 14, one side wall of the gear 10, which is far away from the first motor 9, is rotatably connected to one end of the rotating rod 12, the other end of the rotating rod 12 is fixedly connected to the cleaning block 14 on the other side, the rack 13 is arranged at the bottom end inside the valve body 1, and the rack 13 is meshed with the gear 10. And starting the first motor 9 to rotate the gear 10, and under the action of the rack 13, moving the gear 10 left and right to further drive the cleaning block 14 to move left and right to clean and remove dust on the inner wall of the valve body 1.
Referring to fig. 1-2, as an embodiment of the present invention, a rotating shaft 3 is disposed on a disc plate 2, a groove 4 is disposed at the bottom end inside a valve body 1, the lower end of the rotating shaft 3 is rotatably mounted in the groove 4, the upper end of the rotating shaft 3 penetrates through the valve body 1, the tail end of the rotating shaft is fixedly connected with a handle 8, a connecting block 5 is disposed at the upper end of the valve body 1, a connecting plate 6 is fixedly connected to the top end of the connecting block 5, and a screw 7 is disposed on the connecting plate 6. Through screw 7, can carry out fixed mounting to valve body 1, rotate handle 8, can make pivot 3 drive dish board 2 and rotate, open or close valve body 1.
Referring to fig. 1, as an embodiment of the present invention, a second motor 17 is disposed in the valve body 1, the second motor 17 is located on a side of the disc 2 away from the dust removing mechanism, fixing rods 18 are disposed at two ends of the second motor 17, a tail end of each fixing rod 18 is fixedly connected to an inner side wall of the valve body 1, and an output end of the second motor 17 is fixedly connected to a fan blade 19. And starting the second motor 17 to rotate the fan blades 19, blowing air into the valve body 1, blowing out dust in the valve body, and performing dust removal treatment.
Referring to fig. 1 and 4, as an embodiment of the present invention, valve caps 20 are disposed at left and right ends of the valve body 1, bosses 21 are integrally connected to the valve caps 20, threads 22 are disposed on the bosses 21, the bosses 21 are in threaded connection with the valve body 1 through the threads 22, and a first seal ring 23 is embedded in a circular side wall of the disc plate 2. Through valve gap 20, can prevent that the dust from entering into in the valve body 1, make and keep clean dustless in the valve body 1, through sealing washer 23, can prevent that the dish board 2 left and right sides from leaking gas, improve the leakproofness of butterfly valve.
Referring to fig. 1 and 4, as an embodiment of the present invention, a second sealing ring 24 is disposed at a position where the rotating shaft 3 penetrates through the valve body 1, and the rotating shaft 3 is rotatably installed in the second sealing ring 24. Through the second sealing ring 24, the gas in the valve body 1 can be prevented from escaping from the joint of the rotating shaft 3 and the valve body 1, and the gas tightness of the butterfly valve is improved.
The working principle of the invention is as follows: the screw 7 is rotated to fixedly install the valve body 1, the handle 8 is rotated to enable the rotating shaft 3 to drive the disc plate 2 to rotate, the valve body 1 is opened or closed, when a large amount of dust exists in the valve body 1, the dust can be removed through the dust removing mechanism, and the environment in the valve body 1 is ensured to be clean; through the arrangement of the driving assembly, the cleaning block 14 can be driven to move left and right to clean and remove dust on the inner wall of the valve body 1, so that the interior of the valve body 1 is kept clean; the first motor 9 is arranged to enable the gear 10 to rotate, and under the action of the rack 13, the gear 10 moves left and right, so that the cleaning block 14 is driven to move left and right, and the inner wall of the valve body 1 is cleaned and dedusted; the second motor 17 is arranged to rotate the fan blades 19, so that air is blown into the valve body 1, and dust in the valve body is blown out for dust removal; by arranging the valve cover 20, dust can be prevented from entering the valve body 1, so that the interior of the valve body 1 is kept clean and dustless; by arranging the first sealing ring 23, air leakage at the left side and the right side of the disc plate 2 can be prevented, and the sealing performance of the butterfly valve is improved; through setting up sealing washer two 24, can prevent that the gas in the valve body 1 from running out through pivot 3 and valve body 1 junction, improve this butterfly valve's gas tightness.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a vacuum butterfly valve with dust removal function, includes the valve body, its characterized in that still includes:
the disc plate is arranged in the valve body and used for opening or closing the valve body; and
the dust removal mechanism is arranged inside the valve body and used for removing dust inside the valve body.
2. The vacuum butterfly valve with the dust removing function according to claim 1, wherein the dust removing mechanism comprises a cleaning block, and the cleaning block is positioned on the inner side wall of the valve body; and
one end of the connecting component is connected with the cleaning block and used for ensuring the stable movement of the cleaning block; and
and one end of the driving component is connected with the cleaning block and is used for driving the cleaning block to move.
3. The vacuum butterfly valve with the dust removal function according to claim 2, wherein the connecting assembly comprises a sliding groove and a sliding block, the sliding groove is symmetrically arranged on the inner side wall of the valve body, the sliding block is slidably mounted in the sliding groove, and the sliding block is fixedly connected with the cleaning block.
4. The vacuum butterfly valve with the dust removal function according to claim 2 or 3, wherein the driving assembly comprises a first motor, a gear, a connecting rod, a rotating rod and a rack, the gear is fixedly connected to an output end of the first motor, one end of the first motor, far away from the gear, is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected to the cleaning block, a side wall of the gear, far away from the motor, is rotatably connected with one end of the rotating rod, the other end of the rotating rod is fixedly connected to the cleaning block at the other side, the rack is arranged at the bottom end inside the valve body, and the rack is meshed with the gear.
5. The vacuum butterfly valve with the dust removal function according to claim 1, wherein the disk plate is provided with a rotating shaft, a groove is formed in the bottom end inside the valve body, the lower end of the rotating shaft is rotatably installed in the groove, the upper end of the rotating shaft penetrates through the valve body and is fixedly connected with a handle at the tail end, the upper end of the valve body is provided with a connecting block, a connecting plate is fixedly connected to the top end of the connecting block, and a screw is arranged on the connecting plate.
6. The vacuum butterfly valve with the dust removal function according to claim 1, wherein a second motor is arranged in the valve body, the second motor is located on one side, away from the dust removal mechanism, of the disc plate, fixing rods are arranged at two ends of the second motor, ends of the fixing rods are fixedly connected to the inner side wall of the valve body, and fan blades are fixedly connected to output ends of the second motor.
7. The vacuum butterfly valve with the dust removal function according to claim 1, wherein a valve cover is arranged at the left end and the right end of the valve body, a boss is integrally connected to the valve cover, threads are arranged on the boss, the boss is in threaded connection with the valve body through the threads, and a first sealing ring is embedded and installed on the circular side wall of the disk plate.
8. The vacuum butterfly valve with the dust removal function according to claim 5, wherein a second sealing ring is arranged on the rotating shaft penetrating through the valve body, and the rotating shaft is rotatably installed in the second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110503953.XA CN113154059B (en) | 2021-05-10 | 2021-05-10 | Vacuum butterfly valve with dust removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110503953.XA CN113154059B (en) | 2021-05-10 | 2021-05-10 | Vacuum butterfly valve with dust removal function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113154059A true CN113154059A (en) | 2021-07-23 |
| CN113154059B CN113154059B (en) | 2023-07-21 |
Family
ID=76874240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110503953.XA Active CN113154059B (en) | 2021-05-10 | 2021-05-10 | Vacuum butterfly valve with dust removal function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113154059B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207266797U (en) * | 2017-10-10 | 2018-04-24 | 菲利(张家港)特种纺织品有限公司 | A kind of spinning and weaving workshop dust-extraction unit |
| CN208804241U (en) * | 2018-09-26 | 2019-04-30 | 般德阀门科技有限公司 | A kind of sand and mud proof butterfly valve |
| CN208886093U (en) * | 2018-10-25 | 2019-05-21 | 扬州贝尔阀门控制有限公司 | A kind of electric device for valve automatically switched |
| CN110822101A (en) * | 2019-11-07 | 2020-02-21 | 晟福（天津）流体自动控制设备有限公司 | Valve with cleaning function |
| CN210951757U (en) * | 2019-10-31 | 2020-07-07 | 江苏宏帝空调设备制造有限公司 | Air conditioner dust removal mechanism |
| CN211302511U (en) * | 2019-10-29 | 2020-08-21 | 熊卫丰 | Dust collector for cement manufacture |
| CN212283154U (en) * | 2020-04-17 | 2021-01-05 | 昆明吉忠机械制造有限公司 | Filter device of water diaphragm pump ore pulp valve |
| CN212616615U (en) * | 2020-07-24 | 2021-02-26 | 四川中科净道科技有限公司 | Scald preventing multifunctional temperature control faucet with hot water prompt facility |
-
2021
- 2021-05-10 CN CN202110503953.XA patent/CN113154059B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207266797U (en) * | 2017-10-10 | 2018-04-24 | 菲利(张家港)特种纺织品有限公司 | A kind of spinning and weaving workshop dust-extraction unit |
| CN208804241U (en) * | 2018-09-26 | 2019-04-30 | 般德阀门科技有限公司 | A kind of sand and mud proof butterfly valve |
| CN208886093U (en) * | 2018-10-25 | 2019-05-21 | 扬州贝尔阀门控制有限公司 | A kind of electric device for valve automatically switched |
| CN211302511U (en) * | 2019-10-29 | 2020-08-21 | 熊卫丰 | Dust collector for cement manufacture |
| CN210951757U (en) * | 2019-10-31 | 2020-07-07 | 江苏宏帝空调设备制造有限公司 | Air conditioner dust removal mechanism |
| CN110822101A (en) * | 2019-11-07 | 2020-02-21 | 晟福（天津）流体自动控制设备有限公司 | Valve with cleaning function |
| CN212283154U (en) * | 2020-04-17 | 2021-01-05 | 昆明吉忠机械制造有限公司 | Filter device of water diaphragm pump ore pulp valve |
| CN212616615U (en) * | 2020-07-24 | 2021-02-26 | 四川中科净道科技有限公司 | Scald preventing multifunctional temperature control faucet with hot water prompt facility |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113154059B (en) | 2023-07-21 |
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