CN114576304B - Low noise booster pump for reverse osmosis water purifier - Google Patents
Low noise booster pump for reverse osmosis water purifier Download PDFInfo
- Publication number
- CN114576304B CN114576304B CN202210199819.XA CN202210199819A CN114576304B CN 114576304 B CN114576304 B CN 114576304B CN 202210199819 A CN202210199819 A CN 202210199819A CN 114576304 B CN114576304 B CN 114576304B
- Authority
- CN
- China
- Prior art keywords
- water
- connecting plate
- fixing mechanism
- damping mechanism
- water source
- 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.)
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
- F04B53/003—Noise damping by damping supports
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The present invention provides a low noise booster pump for a reverse osmosis water purifier, comprising: a body; a shock absorbing mechanism; the body is connected with the fixing mechanism through the damping mechanism, so that the original hard contact is changed into soft contact; the fixing mechanism is also communicated with the inner cavity of the body, and when the body extracts the water source to supply water, the water source flows through the fixing mechanism to absorb kinetic energy generated by vibration of the damping mechanism and the body; the invention has the beneficial effects that: through the cooperation between damper, the fixed establishment that sets up, can make the soft connection of body on reverse osmosis water purifier, can make original hard contact change into soft contact, can effectually prevent vibrations and produce noise, have the water source to flow in the fixed establishment moreover, can effectually absorb the vibrations that the body produced through the water source of flowing, can then effectually reduce noise, can effectually improve experimenter's use comfort.
Description
Technical Field
The invention relates to the technical field of booster pumps, in particular to a low-noise booster pump for a reverse osmosis water purifier.
Background
The booster pump is used for boosting, and the booster pump is mainly used for boosting a water heater, boosting high-rise building low water pressure, sauna, bath and the like, boosting insufficient water pressure at the uppermost layer of an apartment, automatic solar boosting, boosting a reverse osmosis water purifier and the like.
When the booster pump is fixed in the reverse osmosis water purifier, a rubber pad is filled at the joint of the booster pump and the reverse osmosis water purifier so as to achieve the purpose of shock absorption and noise reduction, but in the long-time use process, the rubber pad can produce irreversible deformation due to long-time extrusion, namely, gaps exist between the booster pump and the reverse osmosis water purifier, and when the booster pump continues to pump water sources, the booster pump shakes and then generates noise due to the gaps exist between the booster pump and the reverse osmosis water purifier, so that the comfort experience of a user is reduced, and the service life of the booster pump is prolonged
Disclosure of Invention
The invention provides a low-noise booster pump for a reverse osmosis water purifier, which aims at the defects of the prior art.
The invention solves the technical problems by the following technical means:
a low noise booster pump for a reverse osmosis water purifier, comprising:
the body is used for extracting a water source to supply water;
the damping mechanism is connected with the body and has elastic characteristics, and the damping mechanism absorbs kinetic energy generated by vibration of the body through the elastic characteristics;
the body is connected with the fixing mechanism through the damping mechanism, so that the original hard contact is changed into soft contact; the fixing mechanism is also communicated with the inner cavity of the body, and when the body extracts the water source to supply water, the water source flows through the fixing mechanism to absorb the kinetic energy generated by vibration of the damping mechanism and the body.
As an improvement of the technical scheme, the body comprises a mounting seat, the mounting seat is connected with the damping mechanism, the body is provided with a water outlet, and the water outlet is communicated with the inner cavity of the fixing mechanism.
As an improvement of the technical scheme, the damping mechanism comprises a connecting plate, the mounting seat is arranged on the connecting plate through bolts, an elastic plate is fixedly arranged on the side wall around the connecting plate, and the elastic plate is connected with the fixing mechanism.
As the improvement of above-mentioned technical scheme, fixed establishment includes the casing, fixedly on the casing be provided with the fixed block, still be provided with the rectangle opening on the casing, connecting plate, elastic plate fixed connection are in rectangle opening part, casing, connecting plate and elastic plate form the circulation chamber that the water source circulated, be provided with inlet channel, outlet conduit on the casing, inlet channel passes through the hose and is connected with the delivery port.
As an improvement of the technical scheme, the connecting plate is provided with a buffer unit, and the buffer unit is arranged in the circulation cavity.
As the improvement of above-mentioned technical scheme, buffer unit is including the screw rod that runs through the connecting plate, be provided with the flabellum on the screw rod, the flabellum sets up in the circulation chamber, the flabellum is towards inlet channel direction all the time.
As an improvement of the technical scheme, the screw is further provided with a stirring piece, and the stirring piece is provided with an indicator which is in the same direction as the fan blade.
As an improvement of the technical scheme, the fan blade is also provided with a generator connected through a coupler.
The invention has the beneficial effects that:
1. through the cooperation between damper, the fixed establishment that sets up, can make the soft connection of body on reverse osmosis water purifier, can make original hard contact change into soft contact, can effectually prevent vibrations and produce noise, have the water source to flow in the fixed establishment moreover, can effectually absorb the vibrations that the body produced through the water source of flowing, can then effectually reduce noise, can effectually improve experimenter's use comfort.
2. Through the cooperation between damper, the fixed establishment that sets up, can effectually absorb the kinetic energy that vibrations produced, can effectually prevent that vibrations from causing the influence to the body, then can effectually improve the life of body.
3. Through the cooperation between fixed establishment and the body that sets up, when the body extraction water source stays to fixed establishment, because damper has elastic properties, the vibration that the body produced can make damper shake, and the damper through the shake can effectually extrude the water in the fixed establishment, can then effectually improve the velocity of flow of water source, conveniently supply water the work.
Drawings
FIG. 1 is a schematic connection diagram of a damping mechanism and a fixing mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of a shock absorbing mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a buffer unit according to an embodiment of the invention.
In the figure: 10. a body; 11. a mounting base; 12. a water outlet; 20. a fixing mechanism; 21. a water inlet pipe; 22. a flow-through chamber; 23. a housing; 24. a fixed block; 25. a water outlet pipe; 30. a damping mechanism; 31. a buffer unit; 311. a toggle member; 312. a screw; 313. a fan blade; 32. a connecting plate; 33. an elastic plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1, 2 and 3, the low noise booster pump for a reverse osmosis water purifier according to the present embodiment includes:
the body 10 is used for pumping a water source to supply water;
and a damper mechanism 30, the damper mechanism 30 being connected to the body 10, the damper mechanism 30 having, the damper mechanism 30 absorbing kinetic energy generated by vibration of the body 10 by elastic characteristics;
the fixing mechanism 20 is connected with the damping mechanism 30, and the body 10 changes the original hard contact into soft contact through the connection of the damping mechanism 30 and the fixing mechanism 20; the fixing mechanism 20 is also communicated with the inner cavity of the body 10, and when the body 10 extracts a water source to supply water, the water source flows through the fixing mechanism 20 to absorb kinetic energy generated by vibration of the damping mechanism 30 and the body 10.
When the body 10 works, the body 10 is integrally arranged in the reverse osmosis water purifier, vibration generated by the body 10 can be transmitted to the damping mechanism 30, the vibration of the body 10 can be absorbed through the elastic characteristic of the damping mechanism 30, and then the vibration can be prevented from generating noise; since the vibration generated by the body 10 is absorbed by the damping mechanism 30 and the fixing mechanism 20, the body 10 can be effectively prevented from being damaged due to the vibration when the device is used for a long time, and the service life of the body 10 can be effectively prolonged; when the body 10 vibrates, the body 10 can drive the damping mechanism 30 to swing, and the water source in the inner cavity of the fixing mechanism 20 can be effectively extruded through the swinging damping mechanism 30, so that the water source can flow in an accelerating mode, and the water source can be effectively and conveniently supplied quickly.
As shown in fig. 1, the body 10 includes the mount pad 11, the mount pad 11 is connected with damper 30, the body 10 is provided with delivery port 12, delivery port 12 and fixed establishment 20 inner chamber intercommunication, the body 10 passes through mount pad 11 and damper 30 to be connected, can make when body 10 is connected with the reverse osmosis water purifier, can effectually change original hard contact into soft contact, can effectually prevent vibrations noise, and delivery port 12 and fixed establishment 20 inner chamber intercommunication can be convenient with the water source leading-in to fixed establishment 20, can make things convenient for fixed establishment 20 to absorb the kinetic energy that body 10 vibrations produced, can effectually prevent vibrations noise.
As shown in fig. 2, the damping mechanism 30 includes a connecting plate 32, the mounting base 11 is disposed on the connecting plate 32 by bolts, and an elastic plate 33 is fixedly disposed on the peripheral side wall of the connecting plate 32, and the elastic plate 33 is connected with the fixing mechanism 20.
When the body 10 works to generate vibration, the body 10 drives the connecting plate 32 to shake, the connecting plate 32 is connected with the elastic plate 33, and the vibration of the body 10 can be effectively reduced through the elastic characteristic of the elastic plate 33, so that the influence on the surrounding environment can be reduced.
As shown in fig. 2, the fixing mechanism 20 includes a housing 23, a fixing block 24 is fixedly disposed on the housing 23, a rectangular opening is further disposed on the housing 23, the connecting plate 32 and the elastic plate 33 are fixedly connected at the rectangular opening, the housing 23, the connecting plate 32 and the elastic plate 33 form a circulation cavity 22 through which water flows, a water inlet pipe 21 and a water outlet pipe 25 are disposed on the housing 23, and the water inlet pipe 21 is connected with the water outlet 12 through a hose.
When the body 10 supplies water, the body 10 draws water source for the water source passes through delivery port 12, intake pipe 21 gets into in the circulation chamber 22, can strike connecting plate 32 through the water source of flowing, when the vibrations appear in connecting plate 32, can effectually offset the kinetic energy that vibrations produced, can effectually reduce the vibrations of body 10, can effectually prevent vibrations and produce noise, can improve the travelling comfort of use.
As shown in fig. 2 and 3, the connecting plate 32 is provided with a buffer unit 31, the buffer unit 31 is disposed in the circulation cavity 22, and the buffer unit 31 can increase the area of the connecting plate 32, that is, when the water source flows in the circulation cavity 22, the contact area between the water source and the connecting plate 32 can be increased, so that the shock absorbing capability can be improved.
As shown in fig. 3, the buffer unit 31 includes a screw 312 penetrating the connection plate 32, the screw 312 is provided with a fan 313, the fan 313 is disposed in the circulation cavity 22, the fan 313 always faces the direction of the water inlet pipe 21, when the water source flows in the circulation cavity 22, the water source contacts with the fan 313, since the fan 313 is connected with the connection plate 32 through the screw 312, the vibration of the connection plate 32 can be transferred to the fan 313, and since the water source contacts with the fan 313, the kinetic energy generated by the vibration can be effectively counteracted, i.e. the vibration of the connection plate 32 can be reduced, and since the fan 313 can rotate, the water source can flow conveniently, the flow rate of the water source caused by excessive blocking can be prevented, and the normal use is affected.
As shown in fig. 3, the screw 312 is further provided with a stirring piece 311, the stirring piece 311 is provided with an indicator in the same direction as the fan blade 313, and the fan blade 313 can be effectively adjusted in height by the stirring piece 311, so that the fan blades 313 of multiple groups can be kept at different heights, the contact area can be increased, and the vibration reduction work is convenient.
As shown in fig. 3, the fan 313 is further provided with a generator connected by a coupling, when a water source flows in the circulation cavity 22, the fan 313 can be conveniently driven to rotate by the flowing water source to absorb energy, and meanwhile, the liquid kinetic energy flowing by the water can be converted into electric energy by the cooperation between the rotating fan 313 and the generator, so that energy can be conveniently saved.
It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A low noise booster pump for reverse osmosis water purifier, its characterized in that: comprising the following steps:
the body (10), the body (10) includes the mount pad (11), the said body (10) draws the water source to supply water;
the damping mechanism (30) is connected with the body (10), the damping mechanism (30) has elastic characteristics, and the damping mechanism (30) absorbs kinetic energy generated by vibration of the body (10) through the elastic characteristics;
the fixing mechanism (20) is connected with the damping mechanism (30), and the body (10) is connected with the fixing mechanism (20) through the damping mechanism (30) to change the original hard contact into soft contact; the fixing mechanism (20) is also communicated with the inner cavity of the body (10), and when the body (10) extracts a water source for water supply, the water source flows through the fixing mechanism (20) to absorb kinetic energy generated by vibration of the damping mechanism (30) and the body (10);
the damping mechanism (30) comprises a connecting plate (32), the mounting seat (11) is arranged on the connecting plate (32) through bolts, an elastic plate (33) is fixedly arranged on the side wall of the periphery of the connecting plate (32), and the elastic plate (33) is connected with the fixing mechanism (20);
a buffer unit (31) is arranged on the connecting plate (32), and the buffer unit (31) is arranged in the circulation cavity (22);
the buffer unit (31) comprises a screw rod (312) penetrating through the connecting plate (32), fan blades (313) are arranged on the screw rod (312), the fan blades (313) are arranged in the circulation cavity (22), and the fan blades (313) face the direction of the water inlet pipeline (21) all the time;
a stirring piece (311) is further arranged on the screw (312), and an indicator which is in the same direction as the fan blade (313) is arranged on the stirring piece (311);
and the fan blades (313) are also provided with generators connected through couplings.
2. A low noise booster pump for a reverse osmosis water purifier according to claim 1, characterized in that: the mounting seat (11) is connected with the damping mechanism (30), the body (10) is provided with a water outlet (12), and the water outlet (12) is communicated with the inner cavity of the fixing mechanism (20).
3. A low noise booster pump for a reverse osmosis water purifier according to claim 1, characterized in that: the fixing mechanism (20) comprises a shell (23), a fixing block (24) is fixedly arranged on the shell (23), a rectangular opening is further formed in the shell (23), the connecting plate (32) and the elastic plate (33) are fixedly connected to the rectangular opening, the shell (23), the connecting plate (32) and the elastic plate (33) form a water source circulation cavity (22), a water inlet pipeline (21) and a water outlet pipeline (25) are arranged on the shell (23), and the water inlet pipeline (21) is connected with the water outlet (12) through a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199819.XA CN114576304B (en) | 2022-03-02 | 2022-03-02 | Low noise booster pump for reverse osmosis water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199819.XA CN114576304B (en) | 2022-03-02 | 2022-03-02 | Low noise booster pump for reverse osmosis water purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114576304A CN114576304A (en) | 2022-06-03 |
| CN114576304B true CN114576304B (en) | 2023-09-29 |
Family
ID=81777390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210199819.XA Active CN114576304B (en) | 2022-03-02 | 2022-03-02 | Low noise booster pump for reverse osmosis water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114576304B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0914199A (en) * | 1995-06-30 | 1997-01-14 | Sugino Mach Ltd | High pressure water generating device |
| WO2007085141A1 (en) * | 2006-01-26 | 2007-08-02 | Jiangmen Hanyu Electrical Co., Ltd. | Centrifugal drainage pump |
| CN107023495A (en) * | 2017-06-12 | 2017-08-08 | 张素平 | A kind of water pump with decrease of noise functions |
| WO2018036753A1 (en) * | 2016-08-25 | 2018-03-01 | Unilever Plc | Reverse osmosis water purifier |
| CN207278587U (en) * | 2017-10-19 | 2018-04-27 | 浙江中杭水泵有限公司 | A kind of low noise efficient peripheral pump |
| CN112226883A (en) * | 2020-10-15 | 2021-01-15 | 界首泰谷工业设计有限公司 | Textile machine frame with damping function |
| CN213870460U (en) * | 2020-10-27 | 2021-08-03 | 苏州博泵机电设备有限公司 | Noise reduction base for centrifugal pump |
| CN214693351U (en) * | 2020-12-04 | 2021-11-12 | 浙江沁园水处理科技有限公司 | Water purifier with function of making an uproar is fallen |
| CN215173604U (en) * | 2021-06-21 | 2021-12-14 | 江苏梅花机械有限公司 | Car vacuum pump that noise is little |
| CN215172632U (en) * | 2021-05-19 | 2021-12-14 | 天津利德众诚科技有限公司 | Antidetonation electric actuator |
-
2022
- 2022-03-02 CN CN202210199819.XA patent/CN114576304B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0914199A (en) * | 1995-06-30 | 1997-01-14 | Sugino Mach Ltd | High pressure water generating device |
| WO2007085141A1 (en) * | 2006-01-26 | 2007-08-02 | Jiangmen Hanyu Electrical Co., Ltd. | Centrifugal drainage pump |
| WO2018036753A1 (en) * | 2016-08-25 | 2018-03-01 | Unilever Plc | Reverse osmosis water purifier |
| CN107023495A (en) * | 2017-06-12 | 2017-08-08 | 张素平 | A kind of water pump with decrease of noise functions |
| CN207278587U (en) * | 2017-10-19 | 2018-04-27 | 浙江中杭水泵有限公司 | A kind of low noise efficient peripheral pump |
| CN112226883A (en) * | 2020-10-15 | 2021-01-15 | 界首泰谷工业设计有限公司 | Textile machine frame with damping function |
| CN213870460U (en) * | 2020-10-27 | 2021-08-03 | 苏州博泵机电设备有限公司 | Noise reduction base for centrifugal pump |
| CN214693351U (en) * | 2020-12-04 | 2021-11-12 | 浙江沁园水处理科技有限公司 | Water purifier with function of making an uproar is fallen |
| CN215172632U (en) * | 2021-05-19 | 2021-12-14 | 天津利德众诚科技有限公司 | Antidetonation electric actuator |
| CN215173604U (en) * | 2021-06-21 | 2021-12-14 | 江苏梅花机械有限公司 | Car vacuum pump that noise is little |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114576304A (en) | 2022-06-03 |
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