CN117514856A - Portable small intelligent inflator pump for ship - Google Patents

Portable small intelligent inflator pump for ship Download PDF

Info

Publication number
CN117514856A
CN117514856A CN202311477398.3A CN202311477398A CN117514856A CN 117514856 A CN117514856 A CN 117514856A CN 202311477398 A CN202311477398 A CN 202311477398A CN 117514856 A CN117514856 A CN 117514856A
Authority
CN
China
Prior art keywords
shell
air
impeller
small intelligent
double
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.)
Pending
Application number
CN202311477398.3A
Other languages
Chinese (zh)
Inventor
麦浩平
屈定真
冯进文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Fangao Pilot Technology Co ltd
Original Assignee
Guangzhou Fangao Pilot Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Fangao Pilot Technology Co ltd filed Critical Guangzhou Fangao Pilot Technology Co ltd
Priority to CN202311477398.3A priority Critical patent/CN117514856A/en
Publication of CN117514856A publication Critical patent/CN117514856A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/16Combinations of two or more pumps ; Producing two or more separate gas flows
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30Vanes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/5806Cooling the drive system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/582Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/584Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

The invention discloses a portable small intelligent inflator pump for a ship, which comprises a shell and a supporting component; a shell: an air pipe is arranged in an opening at the left side of the shell, the opening at the left end of the air pipe is communicated with the right side of the air pipe through a one-way valve, an air inlet corresponding to the air charging assembly is arranged at the upper end of the outer side surface of the shell, and a filter screen is arranged in the air inlet; and (3) a supporting assembly: the portable small intelligent inflator pump for the ship is symmetrically arranged on the outer side face of the shell from front to back, the upper end of the outer side face of the shell is provided with a control panel, the input end of the control panel is electrically connected with an external power supply, the inside of the air pipe is connected with an air pressure sensor in series, the automatic charging device has the advantages that the automatic charging device is convenient to charge an inflatable boat, the air pressure inside the inflatable boat can be monitored in real time, the air pressure for inflation is larger, the inflation efficiency is higher, the whole size of the air pump is smaller, and the placement and carrying are more convenient.

Description

Portable small intelligent inflator pump for ship
Technical Field
The invention relates to the technical field of air pumps, in particular to a portable small intelligent air pump for a ship.
Background
The small-sized inflator pump is also called a small-sized inflator pump, a small-sized inflator and a micro vacuum pump, and is an inflating tool.
Disclosure of Invention
The portable small intelligent inflator pump for the ship is convenient to automatically charge the inflatable ship, can monitor the air pressure in the inflatable ship in real time, is higher in inflation efficiency, is smaller in whole size, is more convenient to put and carry, and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a portable small intelligent inflator pump for a ship comprises a shell and a supporting component;
a shell: an air pipe is arranged in an opening at the left side of the shell, the opening at the left end of the air pipe is communicated with the right side of the air pipe through a one-way valve, an air inlet corresponding to the air charging assembly is arranged at the upper end of the outer side surface of the shell, and a filter screen is arranged in the air inlet;
and (3) a supporting assembly: the front and back symmetry sets up in the lateral surface of shell, conveniently charges to the inflatable boat automatically, can carry out real-time supervision to the inside atmospheric pressure of inflatable boat simultaneously, and the pneumatic pressure is bigger moreover, and inflation efficiency is higher, and the holistic volume of air pump is less, puts and carries more conveniently.
Further, the upper end of the outer side face of the shell is provided with a control panel, and the input end of the control panel is electrically connected with an external power supply, so that the normal operation of the circuit is ensured.
Further, the inside of tracheal establishes ties has pressure sensor, and pressure sensor's output electricity is connected control panel's input, can the inside atmospheric pressure of real-time supervision inflatable boat.
Further, the subassembly of aerifing includes first impeller, connecting plate and biax motor, biax motor sets up in the right flank of shell, and the inside of shell is rotated through the bearing that the symmetry set up and is connected with first impeller, and first impeller corresponds with the air intake position, and the right flank of first impeller has the connecting plate through bolt fixed mounting, and the left output shaft of biax motor passes the through-hole on shell right side and with connecting plate fixed connection, and the output of control panel can be connected to the input electricity of biax motor, and the side can aerify the ship through centrifugal force.
Further, the output end of the left side of the double-shaft motor is provided with a second impeller, and the second impeller is positioned at the center of the first impeller, so that the flow speed of air can be increased.
Further, the step surface on the left side of the first impeller is rotationally connected with a conical hopper, the left opening of the conical hopper is communicated with the right side of the air pipe through a one-way valve, the aperture of the conical hopper is sequentially reduced from right to left, and the air pressure of the inflation boat can be increased.
Further, the right-hand member threaded connection of shell has protective housing, and protective housing's extrados evenly is provided with first radiating groove, and protective housing's right flank is equipped with the second radiating groove, and the output shaft end on biax motor right side is equipped with heat dissipation blade, guarantees biax motor's normal heat dissipation.
Further, the supporting component comprises a mounting frame and a support, the mounting frame is arranged on the outer side face of the shell in a front-back symmetrical mode, the support is connected to the inside of the mounting frame in a rotating mode, and the supporting and placing and carrying of the inflator pump are facilitated.
Further, the supporting component further comprises limit bolts, the limit bolts are respectively connected with threaded holes formed in the right side face of the mounting frame in a threaded mode in a corresponding mode, insertion holes matched with the limit bolts are formed in the end heads of the support, and the support is convenient to limit.
Compared with the prior art, the invention has the beneficial effects that: this portable marine small-size intelligent pump has following benefit:
1. the two brackets are rotated to the lower end of the shell, then the limit bolts are threadedly mounted into threaded holes in the lower end of the mounting frame, the ends of the limit bolts are inserted into corresponding insertion holes in the ends of the brackets, so that the brackets are limited and fixed, the inflator pump is convenient to put and use, after the inflator pump is used, the limit bolts are taken down, the brackets are rotated to the upper end of the shell, the brackets are limited and fixed through the limit bolts again, the whole size of the inflator pump is small, and the inflator pump is convenient to carry by lifting.
2. The control panel controls the double-shaft motor to work, drives the first impeller to rotate through the connecting plate, and along with the rotation of the first impeller, outside air is filtered through the filter screen under the centrifugal force effect, and then is introduced into the interior of the shell from the air inlet at the upper end of the shell, and meanwhile, the double-shaft motor drives the second impeller positioned at the center of the first impeller to rotate, so that air entering the interior of the shell is pressurized and conveyed into the conical hopper leftwards, and the aperture of the conical hopper is sequentially reduced leftwards from right to left, so that the conical hopper can pressurize the air again and improve the flow velocity of the air along with the leftward flow of the air, so that the air is inflated to the outside inflatable boat through the one-way valve and the air pipe, the abrasion of the inner structure is smaller, the air pressure is larger, and the inflation efficiency is higher.
3. Because the trachea passes through the inflation line and is linked together with outside inflatable boat, so the inside atmospheric pressure sensor of trachea can real-time supervision inflatable boat inside atmospheric pressure, after the inflatable boat inside reaches the settlement atmospheric pressure, atmospheric pressure sensor feeds back information to control panel, and control panel control biax motor automatic stop work is higher to inflatable boat inflated intelligent degree.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a schematic view of a partial structure of the support assembly of the present invention.
In the figure: 1 shell, 2 inflation assembly, 21 toper fill, 22 first impeller, 23 second impeller, 24 connecting plates, 25 biax motors, 3 trachea, 31 air pressure sensor, 4 check valve, 5 filter screen, 6 control panel, 7 supporting component, 71 mounting bracket, 72 support, 73 spacing bolts, 8 protective housing, 9 first heat dissipation groove, 10 second heat dissipation groove, 11 heat dissipation blade.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-4, the present invention provides a technical solution: a portable small intelligent inflator pump for a ship comprises a shell 1 and a supporting component 7;
the shell 1: the inside of the air pump is provided with an air inflation assembly 2, an air pipe 3 is arranged in an opening at the left side of a shell 1, an air pressure sensor 31 is connected in series in the air pipe 3, an air inflation port of an external air inflation ship is communicated with the left end of the air pipe 3 by using an air inflation pipeline, the air pressure sensor 31 can monitor the air pressure in the air inflation ship in real time, after the air inflation ship reaches the set air pressure, information is fed back timely, so that the air inflation is stopped, the air pump is more intelligent, the opening at the left end of the air inflation assembly 2 is communicated with the right side of the air pipe 3 through a one-way valve 4, the upper end of the outer side surface of the shell 1 is provided with an air inlet corresponding to the air inflation assembly 2, a filter screen 5 is arranged in the air inlet, the air inflation assembly 2 comprises a first impeller 22, a connecting plate 24 and a double-shaft motor 25, the double-shaft motor 25 is arranged on the right side surface of the shell 1, the first impeller 22 is rotationally connected with the first impeller 22 through symmetrically arranged bearings in the shell 1, the right side of the first impeller 22 is fixedly provided with a connecting plate 24 through bolts, an output shaft on the left side of the double-shaft motor 25 passes through a through hole on the right side of the shell 1 and is fixedly connected with the connecting plate 24, a second impeller 23 is arranged at the output end on the left side of the double-shaft motor 25, the second impeller 23 is positioned at the inner center of the first impeller 22, a conical hopper 21 is rotationally connected on the step surface on the left side of the first impeller 22, the left opening of the conical hopper 21 is communicated with the right side of the air pipe 3 through a one-way valve 4, the aperture of the conical hopper 21 is sequentially reduced from right to left, the double-shaft motor 25 works, the double-shaft motor 25 is a high-speed double-shaft motor with 500W power, the highest rotating speed of the double-shaft motor 25 is 12 ten thousand revolutions per minute, the first impeller 22 is driven to rotate through the connecting plate 24, and outside air is filtered through a filter screen 5 under the centrifugal force effect along with the rotation of the first impeller 22, the air inlet at the upper end of the shell 1 is led into the shell 1, meanwhile, the double-shaft motor 25 drives the second impeller 23 positioned at the center of the first impeller 22 to rotate, so that air entering the shell 1 is pressurized and conveyed to the inside of the conical hopper 21 leftwards, the aperture of the conical hopper 21 is sequentially reduced from right to left, so that the conical hopper 21 can pressurize the air again and increase the flow rate of the air along with the leftwards flow of the air, the air pressure reaches 5ps i, the air charges an external charging boat through the one-way valve 4 and the air pipe 3, the one-way valve 4 can avoid air backflow, the right end of the shell 1 is in threaded connection with the protective shell 8, the first heat dissipation groove 9 is uniformly arranged on the outer cambered surface of the protective shell 8, the second heat dissipation groove 10 is arranged on the right side surface of the protective shell 8, the heat dissipation blade 11 is arranged on the output shaft end at the right side of the double-shaft motor 25, the output shaft at the right side of the double-shaft motor 25 drives the heat dissipation blade 11 to rotate when in operation, and the double-shaft motor 25 is further subjected to heat dissipation through the first heat dissipation groove 9 and the second heat dissipation groove 10 on the outer side of the protective shell 8, so that the work of the double-shaft motor 25 is ensured to be normal;
support assembly 7: the support assembly 7 comprises a mounting frame 71 and a support 72, the mounting frame 71 is arranged on the outer side face of the outer shell 1 in a front-back symmetrical mode, the support 72 is connected to the inner portion of the mounting frame 71 in a rotating mode, the support assembly 7 further comprises a limiting bolt 73, the limiting bolt 73 is connected to threaded holes formed in the right side face of the mounting frame 71 in a corresponding mode, jacks matched with the limiting bolt 73 are formed in the end portions of the support 72, the two supports 72 are rotated to the lower end of the outer shell 1, the limiting bolt 73 is then arranged in the threaded holes formed in the lower end of the mounting frame 71 in a threaded mode, the end portions of the limiting bolt 73 are inserted into the corresponding jacks in the end portions of the support 72, limiting fixation is conducted on the support 72, and therefore the inflator is convenient to put and use.
The control panel 6 is arranged at the upper end of the outer side surface of the shell 1, the input end of the control panel 6 is electrically connected with an external power supply, the output end of the air pressure sensor 31 is electrically connected with the input end of the control panel 6, and the input end of the double-shaft motor 25 is electrically connected with the output end of the control panel 6, so that the normal operation of a circuit is ensured.
The invention provides a portable small intelligent inflating pump for a ship, which has the following working principle: the two brackets 72 are rotated to the lower end of the shell 1, then the limit bolts 73 are arranged in threaded holes at the lower end of the mounting frame 71 in a threaded manner, the ends of the limit bolts 73 are inserted into corresponding insertion holes at the ends of the brackets 72, so that the brackets 72 are limited and fixed, and the inflator pump is convenient to put and use, when the air pump is used, an inflation port of an external inflation ship is communicated with the left end of the air pipe 3 by using an inflation pipeline, then the control panel 6 controls the double-shaft motor 25 to work, the first impeller 22 is driven to rotate by the connecting plate 24, with the rotation of the first impeller 22, under the action of centrifugal force, external air is filtered by the filter screen 5, then is introduced into the shell 1 from an air inlet at the upper end of the shell 1, meanwhile, the double-shaft motor 25 drives the second impeller 23 positioned at the center of the first impeller 22 to rotate, so that air entering the shell 1 is pressurized and is conveyed to the left into the conical hopper 21, because the aperture of the conical hopper 21 is sequentially reduced from right to left, along with the leftward flow of air, the conical hopper 21 can pressurize the air again and increase the flow rate of the air, so that the air charges the external charging boat through the one-way valve 4 and the air tube 3, meanwhile, the air tube 3 is communicated with the external charging boat through the charging pipeline, the air pressure sensor 31 in the air tube 3 can monitor the air pressure in the charging boat in real time, after the air pressure in the charging boat reaches the set air pressure, the air pressure sensor 31 feeds back information to the control panel 6, the control panel 6 controls the double-shaft motor 25 to automatically stop working, the output shaft on the right side of the double-shaft motor 25 drives the radiating blades 11 to rotate while the double-shaft motor 25 works, and then the first radiating groove 9 and the second radiating groove 10 on the outer side of the protective shell 8 radiate heat to the double-shaft motor 25, the limiting bolt 73 is taken down, then the bracket 72 is rotated to the upper end of the shell 1, the bracket 72 is limited and fixed through the limiting bolt 73 again, and at the moment, the lifting and carrying of the inflator pump are facilitated, and the use is more convenient.
It should be noted that, in the present embodiment, the air pressure sensor 31 and the dual-axis motor 25 can be freely configured according to the practical application scenario, the air pressure sensor 31 is recommended to use an air pressure sensor with the model of JP-DBS208, the dual-axis motor 25 is recommended to use a 56-3D-12 ten thousand-turn high-speed BLDC motor, and the control panel 6 controls the air pressure sensor 31 and the dual-axis motor 25 to work by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A portable small-size intelligent inflator pump for ship is characterized in that: comprises a shell (1) and a supporting component (7);
outer casing (1): an air charging assembly (2) is arranged in the air charging assembly, an air pipe (3) is arranged in an opening on the left side of the shell (1), the opening on the left end of the air charging assembly (2) is communicated with the right side of the air pipe (3) through a one-way valve (4), an air inlet corresponding to the air charging assembly (2) is arranged at the upper end of the outer side surface of the shell (1), and a filter screen (5) is arranged in the air inlet;
support assembly (7): the front and the back of the shell are symmetrically arranged on the outer side surface of the shell (1).
2. The portable marine small intelligent inflator of claim 1, wherein: the upper end of the outer side surface of the shell (1) is provided with a control panel (6), and the input end of the control panel (6) is electrically connected with an external power supply.
3. The portable marine small intelligent inflator of claim 2, wherein: the inside of the air pipe (3) is connected with an air pressure sensor (31) in series, and the output end of the air pressure sensor (31) is electrically connected with the input end of the control panel (6).
4. The portable marine small intelligent inflator of claim 2, wherein: the inflatable module (2) comprises a first impeller (22), a connecting plate (24) and a double-shaft motor (25), wherein the double-shaft motor (25) is arranged on the right side face of the shell (1), the first impeller (22) is rotationally connected with the inside of the shell (1) through symmetrically arranged bearings, the first impeller (22) corresponds to the position of an air inlet, the connecting plate (24) is fixedly arranged on the right side face of the first impeller (22) through bolts, and an output shaft on the left side of the double-shaft motor (25) penetrates through a through hole on the right side of the shell (1) and is fixedly connected with the connecting plate (24), and the input end of the double-shaft motor (25) is electrically connected with the output end of the control panel (6).
5. The portable marine small intelligent inflator of claim 4, wherein: the output end of the left side of the double-shaft motor (25) is provided with a second impeller (23), and the second impeller (23) is positioned at the inner center of the first impeller (22).
6. The portable marine small intelligent inflator of claim 5, wherein: the step surface on the left side of the first impeller (22) is rotationally connected with a conical hopper (21), the left opening of the conical hopper (21) is communicated with the right side of the air pipe (3) through a one-way valve (4), and the aperture of the conical hopper (21) is sequentially reduced from right to left.
7. The portable marine small intelligent inflator of claim 4, wherein: the right-hand member threaded connection of shell (1) has protective housing (8), and the extrados of protective housing (8) evenly is provided with first radiating groove (9), and the right flank of protective housing (8) is equipped with second radiating groove (10), and output shaft end on biax motor (25) right side is equipped with radiator fin (11).
8. The portable marine small intelligent inflator of claim 1, wherein: the support assembly (7) comprises a mounting frame (71) and a support (72), wherein the mounting frame (71) is arranged on the outer side face of the shell (1) in a front-back symmetrical mode, and the support (72) is connected to the inside of the mounting frame (71) in a rotating mode.
9. The portable marine small intelligent inflator of claim 8, wherein: the support assembly (7) further comprises limit bolts (73), the limit bolts (73) are respectively connected with threaded holes in the right side face of the mounting frame (71) in a threaded mode, and insertion holes matched with the limit bolts (73) are formed in the end positions of the support (72).
CN202311477398.3A 2023-11-08 2023-11-08 Portable small intelligent inflator pump for ship Pending CN117514856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311477398.3A CN117514856A (en) 2023-11-08 2023-11-08 Portable small intelligent inflator pump for ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311477398.3A CN117514856A (en) 2023-11-08 2023-11-08 Portable small intelligent inflator pump for ship

Publications (1)

Publication Number Publication Date
CN117514856A true CN117514856A (en) 2024-02-06

Family

ID=89746953

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311477398.3A Pending CN117514856A (en) 2023-11-08 2023-11-08 Portable small intelligent inflator pump for ship

Country Status (1)

Country Link
CN (1) CN117514856A (en)

Similar Documents

Publication Publication Date Title
CN211288166U (en) Textile fan
CN220979886U (en) Portable small intelligent inflator pump for ship
CN117514856A (en) Portable small intelligent inflator pump for ship
CN102035303A (en) Cooling system inside variable frequency generator unit
CN210428192U (en) Electric automobile ECU test equipment
CN216278512U (en) Explosion-proof high-efficient strong pump is from inhaling device
CN207643933U (en) A kind of numerial code spray drawing device of perfect heat-dissipating
CN213981089U (en) Horizontal air pump
CN208348095U (en) A kind of centrifugal pump facilitating installation fan blade
CN215762329U (en) Inflating machine with inflating and exhausting functions
CN202012442U (en) Hydraulic drive device of multistage energy-saving type cooling tower
CN213175960U (en) Portable inflating pump
CN217029321U (en) Self-balancing water-cooling double-cylinder high-pressure centrifugal gasoline engine pump suitable for series operation
CN201636043U (en) Supercharger
CN219452343U (en) Air-cooled integral structure of compressor
CN220499667U (en) Under-pressure supply device for mold cooling circulation waterway
CN212615439U (en) Energy-conserving vacuum machine of pressure boost
CN213088277U (en) Centrifugal fan
CN221003128U (en) Vacuum pump shell with heat dissipation function
CN219094552U (en) Internal grinder for processing fan shaft
CN219344865U (en) Cooling device of wind generating set
CN219605652U (en) Multistage centrifugal blower air inlet casing
CN212765237U (en) Printing roller cooling device for printing equipment
CN214837392U (en) High-efficient centrifugal compressor impeller
CN215805204U (en) Negative pressure device used in centrifugal pump body

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination