CN111608963A - Intelligent ejector convenient to maintain - Google Patents
Intelligent ejector convenient to maintain Download PDFInfo
- Publication number
- CN111608963A CN111608963A CN202010491758.5A CN202010491758A CN111608963A CN 111608963 A CN111608963 A CN 111608963A CN 202010491758 A CN202010491758 A CN 202010491758A CN 111608963 A CN111608963 A CN 111608963A
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- fixed mounting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/04—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
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- 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
- F16F15/06—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 with metal springs
- F16F15/067—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 with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to the technical field of injectors and discloses an intelligent injector convenient to maintain. This intelligent sprayer convenient to maintain, protect the cylinder body through the installation protective housing, through pressing the protective housing in the rubber pad of fixed slot, the connecting plate pressure of its both sides is at the top of curb plate this moment, be located the surface of screw thread post simultaneously, the inside clamp plate of protective housing this moment, press and fix a position it on the cylinder body, because the clamp plate is connected with damping spring through the connecting block, through damping spring behind the clamp plate atress, damping spring atress shrink this moment, according to its precompression power, simultaneously with the cooperation of damping rod, can effectually reduce the vibrations of cylinder body at work, the purpose of convenient maintenance has been reached.
Description
Technical Field
The invention relates to the technical field of ejectors, in particular to an intelligent ejector convenient to maintain.
Background
The ejector, also known as ejector, jet vacuum pump, jet vacuum ejector, jet pump, water ejector and vacuum ejector, is a vacuum obtaining device which utilizes fluid to transfer energy and quality, adopts water flow with certain pressure to be ejected through nozzles symmetrically and uniformly distributed with certain side inclination, and the water flow is converged on a focus, and because the flow velocity of the ejected water is extremely high, the pressure energy is converted into velocity energy, so that the pressure in an air suction area is reduced to generate vacuum.
For example, chinese patent CN 106523090B discloses a pressurized injector, which comprises an injector main body formed by welding an upper hollow injector housing and a lower hollow injector housing, and has the advantages of low price, simple processing technique, accurate injection, good quality of spray atomization, and difficult accumulation of urea crystals and coking particles in the nozzle, thereby significantly improving the spray quality of the injector.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the intelligent ejector convenient to maintain, which has the advantages of convenience in maintenance and the like, and solves the problem that the defect of inconvenient maintenance exists.
(II) technical scheme
In order to achieve the purpose of convenient maintenance, the invention provides the following technical scheme: an intelligent injector convenient to maintain comprises a reinforcing seat, wherein a bottom plate is fixedly installed at the bottom of the reinforcing seat, at least two positioning holes are formed in the top of the bottom plate, positioning columns are movably installed in the positioning holes, supporting columns are fixedly installed in the reinforcing seat, a top plate is fixedly installed at the tops of the supporting columns, side plates are fixedly installed on the left side and the right side of the top plate, installing ports are formed in the tops of the side plates, threaded columns are fixedly installed in the installing ports, fixing grooves are formed in the tops of the top plates, rubber pads are fixedly installed in the fixing grooves, a protective box is fixedly installed at the tops of the rubber pads, connecting plates are fixedly installed on the left side and the right side of the protective box and located on the outer surfaces of the threaded columns, threaded sleeve caps are movably installed on the outer surfaces of the threaded columns, and rotating blocks are, the top of the top plate is fixedly provided with an air cylinder body, the top wall of the inner cavity of the protective box is fixedly provided with a damping box, the top wall of the inner cavity of the shock absorption box is fixedly provided with a shock absorption spring, the interior of the shock absorption spring is fixedly provided with a damping rod, the bottom of the damping spring is fixedly provided with a connecting block, the bottom of the connecting block is fixedly provided with a pressing plate, a fixed block is fixedly arranged on the top wall of the inner cavity of the protective box and positioned on the right side of the shock absorption box, a positioning rod is fixedly arranged inside the fixed block, the top of the pressure plate is provided with a rod opening, the outer surface of the supporting column is fixedly provided with two ring sleeves, a support plate is fixedly arranged on the right side of the ring sleeve, a water pump body is fixedly arranged on the top of the support plate on the lower side, a pressure port is formed on the top of the support plate on the upper side, the inside movable mounting of pressure mouth has the ring cover, the top fixed mounting of ring cover has the plectane.
Preferably, the outer diameter of the bottom plate is larger than that of the reinforcing seat, and the number of the positioning holes is not less than two and the positioning holes are uniformly distributed on the top of the bottom plate.
Preferably, the inner diameter of the positioning hole is matched with the outer diameter of the positioning column, and the two side plates are symmetrically distributed on the left side and the right side of the central axis of the top plate.
Preferably, the inner diameter of the mounting opening is matched with the outer diameter of the threaded column, and the fixing groove is rectangular.
Preferably, the size of fixed slot and the size looks adaptation of rubber pad, the shape of protective housing is the cuboid of inside hollow and bottom surface disappearance.
Preferably, two the connecting plate is the left and right sides of symmetric distribution in the guard box axis, damping spring's quantity is no less than two and evenly distributed at the roof of damper box inner chamber.
Preferably, the size of the connecting block is matched with that of the shock absorption box, and the pressing plate is Z-shaped.
Preferably, the outer diameter of the positioning rod is matched with the inner diameter of the rod opening, and the inner diameter of the ring sleeve is matched with the outer diameter of the supporting column.
Preferably, the inner diameter of the pressure opening is matched with the outer diameter of the ring cover, and the outer diameter of the circular plate is larger than the outer diameter of the ring cover.
(III) advantageous effects
Compared with the prior art, the invention provides an intelligent ejector convenient to maintain, which has the following beneficial effects:
1. this intelligent sprayer convenient to maintain, protect the cylinder body through the installation protective housing, through pressing the protective housing in the rubber pad of fixed slot, the connecting plate pressure of its both sides is at the top of curb plate this moment, be located the surface of screw thread post simultaneously, the inside clamp plate of protective housing this moment, press and fix a position it on the cylinder body, because the clamp plate is connected with damping spring through the connecting block, after the clamp plate atress through damping spring, damping spring atress shrink this moment, according to its precompression power, simultaneously with the cooperation of damping rod, can effectually reduce the vibrations of cylinder body at work, it rotates to drive the thread bush cap through rotating the piece, the thread bush cap pushes down after the surface activity of screw thread post this moment, fix the protective housing, the purpose of convenient maintenance has been reached.
2. This intelligent sprayer convenient to maintain, fixed back through the guard box, the phase reversal commentaries on classics piece, take off the thread bush cap, just can directly take off the guard box, the installation of loaded down with trivial details structure has been avoided, it is more convenient to make the cylinder body maintain, place in the inside of pressing the mouth through the ring cover, because the external diameter of plectane is greater than the internal diameter of pressing the mouth, utilize the plectane to support it this moment, the ring cover is located the outside of water pump body simultaneously, certain protection has been carried out to it, while when maintaining, pull out it through the handle at plectane top, just can directly protect the water pump body, run through to ground after through the locating hole through the reference column, will consolidate the seat and fix, be equipped with a plurality of reference columns, whole sprayer supporting structure's stability has been guaranteed, thereby the purpose of convenient maintenance has been reached.
Drawings
FIG. 1 is a schematic diagram of a smart injector for ease of maintenance according to the present invention;
fig. 2 is a schematic structural diagram of a smart injector fixing groove convenient for maintenance according to the present invention.
In the figure: the structure comprises a reinforcing seat 1, a bottom plate 2, a positioning hole 3, a positioning column 4, a supporting column 5, a top plate 6, a side plate 7, an installation opening 8, a threaded column 9, a rubber pad 10, a protective box 11, a connecting plate 12, a threaded sleeve cap 13, a rotating block 14, a cylinder body 15, a damping box 16, a damping spring 17, a damping rod 18, a connecting block 19, a pressing plate 20, a fixing block 21, a positioning rod 22, a rod opening 23, a ring sleeve 24, a support plate 25, a pressure opening 26, a ring cover 27, a circular plate 28, a water pump body 29 and a fixing groove 30.
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.
Referring to fig. 1-2, an intelligent injector convenient for maintenance comprises a reinforcing base 1, a bottom plate 2 is fixedly installed at the bottom of the reinforcing base 1, at least two positioning holes 3 are formed at the top of the bottom plate 2, positioning pillars 4 are movably installed inside the positioning holes 3, supporting pillars 5 are fixedly installed inside the reinforcing base 1, a top plate 6 is fixedly installed at the top of the supporting pillars 5, the outer diameter of the bottom plate 2 is larger than the outer diameter of the reinforcing base 1, at least two positioning holes 3 are uniformly distributed at the top of the bottom plate 2, side plates 7 are fixedly installed at the left side and the right side of the top plate 6, an installation opening 8 is formed at the top of each side plate 7, a threaded pillar 9 is fixedly installed inside the installation opening 8, a fixing groove 30 is formed at the top of the top plate 6, the inner diameter of each positioning hole 3 is matched with the outer diameter of each positioning pillar 4, the rubber pad 10 is fixedly arranged inside the fixed groove 30, the protective box 11 is fixedly arranged at the top of the rubber pad 10, the connecting plates 12 are fixedly arranged on the left side and the right side of the protective box 11 and positioned on the outer surface of the threaded column 9, the cylinder body 15 is protected by installing the protective box 11, the protective box 11 is pressed in the rubber pad 10 of the fixed groove 30, the connecting plates 12 on the two sides are pressed on the top of the side plate 7 and positioned on the outer surface of the threaded column 9, the pressing plate 20 inside the protective box 11 is pressed on the cylinder body 15 to be positioned at the moment, the pressing plate 20 is connected with the damping spring 17 through the connecting block 19, the damping spring 17 is stressed and contracted after the pressing plate 20 is stressed through the damping spring 17, the vibration of the cylinder body 15 in work can be effectively reduced according to the precompression force of the damping rod 18, the threaded sleeve cap 13 is driven to rotate by rotating the rotating block 14, at the moment, the threaded sleeve cap 13 is pressed downwards after the outer surface of the threaded column 9 moves, the protective box 11 is fixed, and the purpose of convenient maintenance is achieved, the threaded sleeve cap 13 is movably installed on the outer surface of the threaded column 9, the rotating block 14 is fixedly installed at the top of the threaded sleeve cap 13, the cylinder body 15 is fixedly installed at the top of the top plate 6, the inner diameter of the installation opening 8 is matched with the outer diameter of the threaded column 9, the size of the fixing groove 30 is matched with the size of the rubber pad 10, the protective box 11 is in a cuboid shape with a hollow interior and a missing bottom surface, the two connecting plates 12 are symmetrically distributed on the left side and the right side of the central axis of the protective box 11, the damping springs 17 are not less than two and are uniformly distributed on the top wall of the inner cavity of the damping box 16, the fixing groove 30 is in a rectangular shape, the top wall of the inner cavity of, damping rods 18 are fixedly arranged inside damping springs 17, connecting blocks 19 are fixedly arranged at the bottoms of the damping springs 17, the size of each connecting block 19 is matched with that of a damping box 16, each pressing plate 20 is Z-shaped, each pressing plate 20 is fixedly arranged at the bottom of each connecting block 19, the outer diameter of each positioning rod 22 is matched with that of each rod opening 23, the inner diameter of each ring sleeve 24 is matched with that of each supporting column 5, a fixing block 21 is fixedly arranged on the top wall of the inner cavity of the protection box 11 and positioned on the right side of the damping box 16, the inner diameter of each pressing opening 26 is matched with that of each ring cover 27, the outer diameter of each circular plate 28 is larger than that of each ring cover 27, each positioning rod 22 is fixedly arranged inside each fixing block 21, after the protection box 11 is fixed, each rotating block 14 is reversely rotated to take down the threaded sleeve cap 13, the protection box 11 can be directly taken down, the installation of a complicated structure, the ring cover 27 is placed inside the pressure port 26, because the outer diameter of the circular plate 28 is larger than the inner diameter of the pressure port 26, the circular plate 28 is used for supporting the circular plate 28, the ring cover 27 is positioned outside the water pump body 29 to protect the water pump body 29 to a certain extent, and meanwhile, when maintenance is carried out, the circular plate 28 is pulled out through a handle at the top of the circular plate 28, so that the water pump body 29 can be directly protected, the reinforcing seat 1 is fixed after the positioning columns 4 penetrate through the positioning holes 3 to the ground, the positioning columns 4 are provided, so that the stability of the whole injector support structure is ensured, the aim of convenient maintenance is achieved, the top of the pressure plate 20 is provided with the rod port 23, the outer surface of the supporting column 5 is fixedly provided with two ring sleeves 24, the right side of the ring sleeve 24 is fixedly provided with the support plate 25, the top of the lower support plate 25 is fixedly provided with the water pump body 29, a ring cover 27 is movably mounted inside the pressure opening 26, and a circular plate 28 is fixedly mounted on the top of the ring cover 27.
In conclusion, the intelligent injector convenient for maintenance protects the cylinder body 15 by installing the protection box 11, by pressing the protection box 11 into the rubber pad 10 of the fixing groove 30, the connection plates 12 at both sides thereof are pressed against the tops of the side plates 7, and is positioned on the outer surface of the threaded column 9, and the pressure plate 20 inside the protective box 11 presses on the cylinder body 15 to position the same, since the pressure plate 20 is connected with the damping springs 17 through the connecting block 19, after the pressure plate 20 is stressed by the damping springs 17, the damping springs 17 are stressed to contract, according to the pre-compression force, the cooperation with the damping rod 18 can effectively reduce the vibration of the cylinder body 15 in operation, the rotating block 14 is rotated to drive the threaded sleeve cap 13 to rotate, and at the moment, the threaded sleeve cap 13 is pressed downwards after the outer surface of the threaded column 9 moves, so that the protective box 11 is fixed, and the purpose of convenient maintenance is achieved.
Moreover, after the protection box 11 is fixed, the rotary block 14 is reversely rotated to take off the thread sleeve cap 13, so that the protection box 11 can be directly taken off, the installation of a complicated structure is avoided, the cylinder body 15 is more convenient to maintain, the ring cover 27 is placed inside the pressure port 26, because the outer diameter of the circular plate 28 is larger than the inner diameter of the pressure port 26, the circular plate 28 is utilized to support the water pump body 29, the ring cover 27 is positioned at the outer side of the water pump body 29 to protect the water pump body to a certain extent, meanwhile, when the maintenance is carried out, the water pump body 29 can be directly protected by pulling out the ring cover 27 through a handle at the top of the circular plate 28, the reinforcing seat 1 is fixed after the positioning columns 4 penetrate through the ground through the positioning holes 3, the plurality of positioning columns 4 are arranged, the stability of the whole injector support structure is ensured, the aim of convenient maintenance is achieved, and the defect of inconvenient maintenance is solved, this sprayer is at the in-process of installation, and the mode is comparatively loaded down with trivial details, is equipped with protection architecture simultaneously and protects it, so when maintaining, all can waste a large amount of time and energy of maintainer, greatly increased the problem of the intensity of work.
It is to be noted that 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. An intelligent injector convenient to maintain, includes reinforcing seat (1), its characterized in that: the bottom fixed mounting who adds solid fixed mounting of reinforcement seat (1) has bottom plate (2), locating hole (3) that quantity is no less than two are seted up at the top of bottom plate (2), the inside movable mounting of locating hole (3) has reference column (4), the inside fixed mounting of solid fixed mounting of reinforcement seat (1) has support column (5), the top fixed mounting of support column (5) has roof (6), the equal fixed mounting in the left and right sides at roof (6) top has curb plate (7), installing port (8) have been seted up at the top of curb plate (7), the inside fixed mounting of installing port (8) has screw thread post (9), fixed slot (30) have been seted up at the top of roof (6), the inside fixed mounting of fixed slot (30) has rubber pad (10), the top fixed mounting of rubber pad (10) has protective housing (11), the equal fixed mounting in the surface that the both sides just are located screw thread post (9) about protective housing (11) has 12) The outer surface movable mounting of screw thread post (9) has screw thread cap (13), the top fixed mounting of screw thread cap (13) has commentaries on classics piece (14), the top fixed mounting of roof (6) has cylinder body (15), the roof fixed mounting of protecting box (11) inner chamber has shock attenuation case (16), the roof fixed mounting of shock attenuation case (16) inner chamber has damping spring (17), the inside fixed mounting of damping spring (17) has damping rod (18), the bottom fixed mounting of damping spring (17) has connecting block (19), the bottom fixed mounting of connecting block (19) has clamp plate (20), the roof of protecting box (11) inner chamber just is located the right side fixed mounting of shock attenuation case (16) has fixed block (21), the inside fixed mounting of fixed block (21) has locating lever (22), pole mouth (23) have been seted up at the top of clamp plate (20), the outer surface of the supporting column (5) is fixedly provided with two ring sleeves (24), a supporting plate (25) is fixedly arranged on the right side of each ring sleeve (24), a water pump body (29) is fixedly arranged at the top of the supporting plate (25) on the lower side, a pressure opening (26) is formed in the top of the supporting plate (25) on the upper side, a ring cover (27) is movably arranged inside the pressure opening (26), and a circular plate (28) is fixedly arranged at the top of the ring cover (27).
2. A smart sprayer for facilitating maintenance according to claim 1, wherein: the outer diameter of the bottom plate (2) is larger than that of the reinforcing seat (1), and the number of the positioning holes (3) is not less than two and the positioning holes are uniformly distributed at the top of the bottom plate (2).
3. A smart sprayer for facilitating maintenance according to claim 1, wherein: the inner diameter of the positioning hole (3) is matched with the outer diameter of the positioning column (4), and the two side plates (7) are symmetrically distributed on the left side and the right side of the central axis of the top plate (6).
4. A smart sprayer for facilitating maintenance according to claim 1, wherein: the inner diameter of the mounting opening (8) is matched with the outer diameter of the threaded column (9), and the fixing groove (30) is rectangular.
5. A smart sprayer for facilitating maintenance according to claim 1, wherein: the size of fixed slot (30) and the size looks adaptation of rubber pad (10), the shape of protective housing (11) is the cuboid of inside hollow and bottom surface disappearance.
6. A smart sprayer for facilitating maintenance according to claim 1, wherein: two connecting plate (12) are the left and right sides of symmetric distribution in guard box (11) axis, two and evenly distributed are no less than in the roof of damper box (16) inner chamber to the quantity of damping spring (17).
7. A smart sprayer for facilitating maintenance according to claim 1, wherein: the size of the connecting block (19) is matched with that of the shock absorption box (16), and the pressing plate (20) is Z-shaped.
8. A smart sprayer for facilitating maintenance according to claim 1, wherein: the outer diameter of the positioning rod (22) is matched with the inner diameter of the rod opening (23), and the inner diameter of the ring sleeve (24) is matched with the outer diameter of the supporting column (5).
9. A smart sprayer for facilitating maintenance according to claim 1, wherein: the inner diameter of the pressure opening (26) is matched with the outer diameter of the ring cover (27), and the outer diameter of the circular plate (28) is larger than the outer diameter of the ring cover (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491758.5A CN111608963A (en) | 2020-06-02 | 2020-06-02 | Intelligent ejector convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491758.5A CN111608963A (en) | 2020-06-02 | 2020-06-02 | Intelligent ejector convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111608963A true CN111608963A (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010491758.5A Pending CN111608963A (en) | 2020-06-02 | 2020-06-02 | Intelligent ejector convenient to maintain |
Country Status (1)
| Country | Link |
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| CN (1) | CN111608963A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139098A (en) * | 2001-10-30 | 2003-05-14 | Nippon Soken Inc | Ejector |
| CN102943447A (en) * | 2012-11-30 | 2013-02-27 | 武汉大学 | Jet flow vacuum suction device |
| CN208169203U (en) * | 2018-03-21 | 2018-11-30 | 漳州市百兴云商务服务有限公司 | A kind of electric power easy to repair core main pump |
| CN109505823A (en) * | 2018-11-26 | 2019-03-22 | 黄石市金雀电气股份有限公司 | A kind of hardware processing type refrigerator-freezer cylinder block being easily installed |
| CN210565098U (en) * | 2019-07-22 | 2020-05-19 | 江苏春越低碳研究有限公司 | Shock-absorbing circulating water vacuum pump |
-
2020
- 2020-06-02 CN CN202010491758.5A patent/CN111608963A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139098A (en) * | 2001-10-30 | 2003-05-14 | Nippon Soken Inc | Ejector |
| CN102943447A (en) * | 2012-11-30 | 2013-02-27 | 武汉大学 | Jet flow vacuum suction device |
| CN208169203U (en) * | 2018-03-21 | 2018-11-30 | 漳州市百兴云商务服务有限公司 | A kind of electric power easy to repair core main pump |
| CN109505823A (en) * | 2018-11-26 | 2019-03-22 | 黄石市金雀电气股份有限公司 | A kind of hardware processing type refrigerator-freezer cylinder block being easily installed |
| CN210565098U (en) * | 2019-07-22 | 2020-05-19 | 江苏春越低碳研究有限公司 | Shock-absorbing circulating water vacuum pump |
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Application publication date: 20200901 |