CN113700656A - Vertical submerged centrifugal pump - Google Patents
Vertical submerged centrifugal pump Download PDFInfo
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- CN113700656A CN113700656A CN202110994009.9A CN202110994009A CN113700656A CN 113700656 A CN113700656 A CN 113700656A CN 202110994009 A CN202110994009 A CN 202110994009A CN 113700656 A CN113700656 A CN 113700656A
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- Prior art keywords
- centrifugal pump
- sliding
- pump body
- rod
- cavity
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 34
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 230000000670 limiting effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- -1 electroplating Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of centrifugal pumps, in particular to a vertical submerged centrifugal pump which comprises a centrifugal pump body and a plurality of extension hoses, wherein a motor for providing power is arranged at the top of the centrifugal pump body, sliding grooves are formed in two side walls of a shell, a treatment cavity is formed in the shell, anti-blocking mechanisms for preventing a water inlet from being blocked are arranged in the two sliding grooves and the treatment cavity, a sliding cavity is formed in the centrifugal pump body, and an alarm mechanism for preventing the temperature in a pump body from being overhigh is arranged in the sliding cavity. According to the invention, the elastic air bag is arranged in the chute, and the gas extruded by the elastic air bag is utilized to back flush the filter substances out of the filter plate, so that the water inlet is prevented from being blocked. If the interior of the centrifugal pump is in fault and abnormally heated, the circuit can be conducted and the alarm can be started to remind an operator to maintain in time.
Description
Technical Field
The invention relates to the technical field of centrifugal pumps, in particular to a vertical submerged centrifugal pump.
Background
The principle of the vertical centrifugal pump is that the mechanical energy of a prime motor is transferred to liquid by the action of a rotating impeller on the liquid. The centrifugal pump has the advantages that the speed energy and the pressure energy of the liquid are increased in the process that the liquid flows from the inlet to the outlet of the impeller under the action of the centrifugal pump, most of the speed energy of the liquid discharged by the impeller passes through the extrusion chamber and is converted into pressure energy, the pressure energy is then conveyed out along the discharge pipeline, at the moment, vacuum or low pressure is formed at the inlet of the impeller due to the discharge of the liquid, the liquid in the water suction pool is pressed into the inlet of the impeller under the action of the liquid level pressure/atmospheric pressure, and then the rotating impeller continuously sucks and discharges the liquid. The vertical submerged pump is mainly used for lifting, conveying and circulating liquid and is applied to the fields of sewage discharge, waste gas, electroplating, coating and the like.
In the prior patent (publication number: CN112324667A), a vertical submerged centrifugal pump comprises a centrifugal pump body, water outlets are respectively formed in two sides of the centrifugal pump body, adjusting structures are respectively arranged on two sides of the centrifugal pump body, each adjusting structure comprises a water guide hose, a connecting flange, a first supporting rod, a first rotating shaft and a second supporting rod, the water guide hose is arranged on the side surface of the centrifugal pump body, one end of the water guide hose is fixedly connected with the centrifugal pump body through the water outlets, and a supporting structure is arranged on the bottom side of the water guide hose.
According to the invention, the water guide hose is arranged between the connecting flange and the centrifugal pump body, so that the connecting flange for connecting the drain pipe can be adjusted at any angle, the angle of the connecting flange can be changed, and the connecting height of the drain pipe is reduced, the support structure is arranged at the bottom side of the water guide hose, the moving range of the connecting flange can be limited, the damage of rotation to the water guide hose is reduced while the angle of the connecting flange is adjusted, and the bending condition of the water guide hose is avoided, but more impurities are easy to exist in the conveyed liquid, the treatment aiming at the filter at a water inlet is lacked, and the monitoring structure for the fault inside of the centrifugal pump is lacked.
For this purpose, a vertical submerged centrifugal pump is proposed.
Disclosure of Invention
The invention aims to provide a vertical submerged centrifugal pump, which is characterized in that an elastic air bag is arranged in a chute, filtered substances outside a filter plate are prevented from being backflushed out by utilizing air extruded by the elastic air bag, a water inlet is prevented from being blocked, if the interior of the centrifugal pump is in fault and abnormally heated, a circuit can be conducted, an alarm can be started, and an operator can be reminded to maintain the centrifugal pump in time, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a vertical submerged centrifugal pump, includes the centrifugal pump body and a plurality of extension hose, the top of centrifugal pump body is equipped with the motor that provides power, the bottom symmetry of centrifugal pump body is equipped with the casing, all be equipped with the spout in the both sides wall of casing, the bottom of casing is equipped with the process chamber, two the inside of spout and the inside of process chamber are equipped with and are used for preventing the anti-blocking mechanism that the water inlet blockked up, the sliding chamber has been seted up to the bottom of centrifugal pump body, the inside of sliding chamber is equipped with and is used for preventing the too high alarm mechanism of pump body inside temperature, one side fixedly connected with aqueduct of centrifugal pump body, the aqueduct is equipped with the fastening device who is used for fixed interface with a plurality of junctions that extend the hose.
Preferably, the anti-blocking mechanism comprises a rotating shaft fixedly connected to the tail end of an output shaft of the motor and extending into the treatment cavity, a threaded rod is fixedly connected to the outer portion of the tail end of the rotating shaft, a nut is connected to the outer portion of the threaded rod through threads, a bearing is rotatably connected to the outer portion of the nut, two sliding rods are fixedly connected to the outer portion of the bearing, one sides of the two sliding rods are respectively inserted into the two sliding chutes, the two sliding rods are elastically connected with the tops of the two sliding chutes through springs, elastic air bags are respectively arranged between the other side of the sliding rods and the bottoms of the two sliding chutes, a filter plate for preventing the water inlet from being blocked is arranged at the bottom of the treatment cavity, a guide pipe is arranged on the outer portion of the shell, a first check valve is arranged between one end of the guide pipe and the two elastic air bags, and only external air is allowed to respectively flow into the two elastic air bags, two all be equipped with the second check valve between elasticity gasbag and the treatment chamber, two the inside gas admission of two elasticity gasbags of second check valve is only permitted to get into the inside of treatment chamber, the other end of pipe extends to more than the surface of water, the contact department of pipe and the surface of water is equipped with and is used for keeping the unobstructed floater of pipe air admission.
The motor is started firstly, the motor drives the rotating shaft to rotate, the rotating shaft can drive the threaded rod to rotate after rotating, due to the limiting effect of the two sliding grooves on the sliding rod, the nut is rotatably connected with the bearing, the force applied to the sliding rod by the threaded rod through the nut is obviously larger than the elastic force of the two springs, the threaded rod can only drive the nut to move upwards, because the initial state of the elastic air bags is flat, the lower spaces at the two ends of the sliding rod can be enlarged along with the upward movement of the sliding rod, the first check valves are arranged between the two elastic air bags and the guide pipe, because the air pressure in the elastic air bags is smaller than the air pressure of the outside air, the outside air is respectively pumped into the two elastic air bags through the first check valves, the springs arranged between the top walls of the sliding grooves at the upper ends of the sliding rods can be compressed, when the sliding rods move upwards to the upper parts of the sliding grooves, the springs also reach the maximum compression limit, and after the motor stops rotating, the slide bar can move downwards, and through the elasticity of spring, the inside gas of two elasticity gasbags then can be extruded out, and the gas that extrudees out can play the recoil effect to the filterable thing outside the filter plate, prevents that the water inlet from blockking up.
Preferably, the alarm mechanism comprises a sliding plug which is installed inside the sliding cavity in a sealing and sliding mode, evaporating liquid is packaged on the left side of the sliding plug and one side wall of the sliding cavity, two first contacts which are electrically connected with each other are symmetrically and fixedly installed on the right side of the sliding plug, two second contacts are symmetrically and fixedly installed on the other side wall of the sliding cavity, and the two second contacts are communicated with an internal circuit of the alarm.
When the inside of the centrifugal pump is in fault and abnormally heated, the evaporated liquid in the sliding cavity is quickly gasified, and the sliding plug is pushed to move, so that the two first contacts are respectively contacted with the two second contacts, a circuit is conducted, and the alarm is started to remind an operator to maintain in time.
Preferably, coupling mechanism includes fixed mounting in aqueduct and the last mounting panel of a plurality of extension hose upper ends, and is a plurality of the lower extreme fixed mounting of extension hose has lower mounting panel, the equal interval in inside of going up mounting panel and lower mounting panel is equipped with the draw-in groove, it is equipped with the sealing washer to go up the junction between mounting panel and the lower mounting panel.
When the aqueduct needs to be connected with the extension guide pipe, the clamping grooves in the upper mounting plate and the lower mounting plate are aligned, the clamping grooves are clamped by the left-right sliding, the sealing rings arranged between the upper mounting plate and the lower mounting plate are arranged, and the firmness of connection between the aqueduct and the extension hose is improved.
Preferably, a side wall fixedly connected with fixed plate of centrifugal pump body, the inside of fixed plate is rotated and is connected with the pivot, the outside fixedly connected with cardboard of pivot, one side of fixed plate is seted up flutedly, one side of cardboard is equipped with the kelly, the inside of kelly is equipped with the slot, the rectangle chamber has been seted up to one side of recess, the inside sliding connection in rectangle chamber has the slider, the middle part of slider is rotated and is connected with the inserted bar, the outside of inserted bar is equipped with the spring in the inside cover in rectangle chamber, one side of slider is passed through a side wall elastic connection in spring and rectangle chamber, another lateral wall in rectangle chamber is run through and is extended to the inside of slot to the one end of inserted bar.
When the aqueduct needs to be fixed in the fixed plate, the clamping plate rotates around the rotating shaft, the clamping rod is inserted into the groove, and then the sliding block in the rectangular cavity pushes the rear end of the inserting rod to be inserted into the slot in the clamping rod under the elastic force of the spring.
Preferably, the evaporation liquid is liquid alcohol.
The evaporated liquid is liquid alcohol, the boiling point of the liquid alcohol is about 78 ℃, and as the normal working temperature of the pump body is below 80 ℃, when the inside of the centrifugal pump is abnormally heated due to failure, the evaporated liquid in the sliding cavity is quickly gasified, then the sliding plug is pushed to move, so that the two first contacts are respectively contacted with the two second contacts, a circuit is further conducted, the alarm is started, and the high-temperature quick response can be realized.
Compared with the prior art, the invention has the beneficial effects that:
1. an elastic air bag is arranged in the sliding chute, and the gas extruded by the elastic air bag can be used for backflushing the filter materials outside the filter plate out, so that the water inlet is prevented from being blocked.
2. If the interior of the centrifugal pump is in fault and abnormally heated, the circuit can be conducted and the alarm can be started to remind an operator to maintain in time.
3. The connection firmness between the water guide pipe and the extension hose is improved through the connection mechanism formed by the upper mounting plate, the lower mounting plate and the sealing ring.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged view of the structure at A of the present invention;
FIG. 5 is an enlarged view of the structure at B of the present invention;
FIG. 6 is an enlarged view of the structure at C of the present invention;
fig. 7 is a view showing the internal structure of the filter plate of the present invention;
FIG. 8 is a schematic view of the upper and lower mounting plates of the present invention when mounted.
In the figure: 1. a centrifugal pump body; 2. a motor; 3. an extension hose; 4. a housing; 5. a chute; 6. a rotating shaft; 7. a threaded rod; 8. a nut; 9. a slide bar; 10. a bearing; 11. a spring; 12. an elastic air bag; 13. a slide chamber; 14. a sliding plug; 15. a first contact; 16. a second contact; 17. a water outlet; 18. a water conduit; 19. filtering the plate; 20. a fixing plate; 21. clamping a plate; 22. a groove; 23. a clamping rod; 24. a slot; 25. a rectangular cavity; 26. a slider; 27. inserting a rod; 28. an upper mounting plate; 29. a lower mounting plate; 30. a treatment chamber; 31. a card slot; 32. and (5) sealing rings.
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 description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, the present invention provides a vertical submerged centrifugal pump, which has the following technical scheme:
the utility model provides a vertical submerged centrifugal pump, including centrifugal pump body 1 and a plurality of extension hose 3, the top of centrifugal pump body 1 is equipped with the motor 2 that provides power, the bottom symmetry of centrifugal pump body 1 is equipped with casing 4, all be equipped with spout 5 in the both sides wall of casing 4, casing 4's inside is equipped with treatment chamber 30, the inside of two spout 5 and the inside of treatment chamber 30 are equipped with and are used for preventing the anti-blocking mechanism that the water inlet blockked up, smooth chamber 13 has been seted up to centrifugal pump body 1's bottom, the inside of smooth chamber 13 is equipped with and is used for preventing the too high alarm mechanism of pump body inside temperature, one side fixedly connected with aqueduct 18 of centrifugal pump body 1, aqueduct 18 is equipped with the fastening device who is used for fixed interface with a plurality of extension hose 3's junction.
As an embodiment of the present invention, referring to fig. 2, the anti-blocking mechanism includes a rotating shaft 6 fixedly connected to the end of the output shaft of the motor 2 and extending into the processing chamber 30, a threaded rod 7 is fixedly connected to the outer edge of the end of the rotating shaft 6, a nut 8 is connected to the outer thread of the threaded rod 7, a bearing 10 is rotatably connected to the outer portion of the nut 8, two sliding rods 9 are fixedly connected to the outer edge of the bearing 10, one sides of the two sliding rods 9 are respectively inserted into the chutes 5, one sides of the sliding rods 9 are elastically connected to the tops of the two chutes 5 through springs 11, elastic air bags 12 are respectively arranged between the other sides of the sliding rods 9 and the bottoms of the two chutes 5, a filter plate 19 for preventing the water inlet from being blocked is arranged at the bottom of the processing chamber 30, a guide tube is arranged outside the housing 4, and a first one-way valve is arranged between one end of the guide tube and the two elastic air bags 12, the two first one-way valves only allow external air to flow into the two elastic air bags 12 respectively, the two second one-way valves are arranged between the two elastic air bags 12 and the treatment cavity 30 and only allow gas in the two elastic air bags 12 to enter the treatment cavity 30, the other end of the catheter extends to a position above the water surface, and a floating ball used for keeping the catheter to smoothly enter air is arranged at the contact position of the catheter and the water surface.
The motor 2 is started firstly, the motor 2 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the threaded rod 7 to rotate after rotating, due to the limiting effect of the two sliding grooves 5 on the sliding rod 9, the nut 8 is rotatably connected with the bearing 10, the force applied to the sliding rod 9 by the threaded rod 7 through the nut 8 is obviously larger than the elastic force of the two springs 11, the threaded rod 7 only can drive the nut 8 to move upwards, because the initial state of the elastic air bag 12 is flat, the lower space at the two ends of the sliding rod 9 can be enlarged along with the upward movement of the sliding rod 9, the first check valve is arranged between the two elastic air bags 12 and the guide pipe, because the air pressure inside the elastic air bags 12 is smaller than the air pressure of the outside, the outside air is respectively pumped into the two elastic air bags 12 through the first check valve, the spring 11 arranged between the top walls of the sliding grooves 5 and at the upper end of the sliding rod 9 is compressed, when the sliding rod 9 moves to the upper part of the sliding grooves 5, the spring 11 also reaches the maximum compression limit, after the motor 2 stops rotating, the sliding rod 9 moves downwards, through the elasticity of the spring 11, the gas inside the two elastic air bags 12 can be extruded out through the second one-way valve, and the extruded gas can play a role in backflushing the filtered objects outside the filter plate 19, so that the water inlet is prevented from being blocked.
Referring to fig. 5, as an embodiment of the present invention, the alarm mechanism includes a sliding plug 14 hermetically and slidably mounted inside the sliding cavity 13, an evaporated liquid is hermetically mounted on the left side of the sliding plug 14 and one side wall of the sliding cavity 13, two first contacts 15 electrically connected to each other are symmetrically and fixedly mounted on the right side of the sliding plug 14, two second contacts 16 are symmetrically and fixedly mounted on the other side wall of the sliding cavity 13, and the two second contacts 16 are communicated with an internal circuit of the alarm.
When the inside of the centrifugal pump is in fault and abnormally heated, the evaporated liquid in the sliding cavity 13 is quickly gasified, and the sliding plug 14 is pushed to move, so that the two first contacts 15 are respectively contacted with the two second contacts 16, a circuit is conducted, and the alarm is started to remind an operator to maintain in time.
Referring to fig. 2 and 8, the connection means includes an upper mounting plate 28 fixedly mounted on the upper ends of the water guide pipe 18 and the extension hoses 3, a lower mounting plate 29 fixedly mounted on the lower ends of the extension hoses 3, locking grooves 31 provided at equal intervals inside the upper mounting plate 28 and the lower mounting plate 29, and a sealing ring 32 provided at a connection portion between the upper mounting plate 28 and the lower mounting plate 29.
When the water guide pipe 18 needs to be connected with the extension pipe 3, the clamping grooves 31 in the upper mounting plate 28 and the lower mounting plate 29 are aligned, the clamping grooves 31 are clamped by sliding left and right, and the sealing rings 32 are arranged between the upper mounting plate 28 and the lower mounting plate 29, so that the firmness of connection between the water guide pipe 18 and the extension hose 3 is improved.
Referring to fig. 3 and 6, as an embodiment of the present invention, a fixed plate 20 is fixedly connected to one side wall of a centrifugal pump body 1, a rotating shaft is rotatably connected to the inside of the fixed plate 20, a clamping plate 21 is fixedly connected to the outside of the rotating shaft, a groove 22 is formed in one side of the fixed plate 20, a clamping rod 23 is arranged on one side of the clamping plate 21, a slot 24 is formed in the clamping rod 23, a rectangular cavity 25 is formed in one side of the groove 22, a sliding block 26 is slidably connected to the inside of the rectangular cavity 25, an insertion rod 27 is rotatably connected to the middle of the sliding block 26, a spring 11 is sleeved outside the insertion rod 27 and inside the rectangular cavity, one side of the sliding block 26 is elastically connected to one side wall of the rectangular cavity through the spring 11, and one end of the insertion rod 27 penetrates through the other side wall of the rectangular cavity 25 and extends into the slot 24.
When the water pipe 18 is fixed to the inside of the fixing plate 20, the catch plate 21 is rotated about the rotation axis, the catch rod 23 is inserted into the inside of the recess 22, and then the slider 26 inside the rectangular cavity 25 pushes the rear end of the insertion rod 27 into the slot 24 inside the catch rod 23 under the elastic force of the spring 11.
Referring to fig. 5, an evaporation liquid is liquid alcohol according to an embodiment of the present invention.
The evaporated liquid is liquid alcohol, the boiling point of the liquid alcohol is about 78 ℃, and as the normal working temperature of the pump body is below 80 ℃, when the inside of the centrifugal pump is abnormally heated due to faults, the evaporated liquid in the sliding cavity 13 is quickly gasified, and then the sliding plug 14 is pushed to move, so that the two first contacts 15 are respectively contacted with the two second contacts 16, a circuit is further conducted, the alarm is started, and the high-temperature response can be quickly carried out.
The working principle is as follows: the motor 2 is started firstly, the motor 2 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the threaded rod 7 to rotate after rotating, due to the limiting effect of the two sliding grooves 5 on the sliding rod 9, the nut 8 is rotatably connected with the bearing 10, the force applied to the sliding rod 9 by the threaded rod 7 through the nut 8 is obviously larger than the elastic force of the two springs 11, the threaded rod 7 only can drive the nut 8 to move upwards, because the initial state of the elastic air bag 12 is flat, the lower space at the two ends of the sliding rod 9 can be enlarged along with the upward movement of the sliding rod 9, the first check valve is arranged between the two elastic air bags 12 and the guide pipe, because the air pressure inside the elastic air bags 12 is smaller than the air pressure of the outside, the outside air is respectively pumped into the two elastic air bags 12 through the first check valve, the spring 11 arranged between the top walls of the sliding grooves 5 and at the upper end of the sliding rod 9 is compressed, when the sliding rod 9 moves to the upper part of the sliding grooves 5, the spring 11 also reaches the maximum compression limit, after the motor 2 stops rotating, the sliding rod 9 moves downwards, the gas in the two elastic air bags 12 can be extruded out through the second one-way valve by the elasticity of the spring 11, the extruded gas can have the recoil function on the filtered objects outside the filter plate 19 to prevent the water inlet from being blocked, the evaporated liquid is liquid alcohol, the boiling point of the liquid alcohol is about 78 ℃, because the normal working temperature of the pump body is below 80 ℃, when the interior of the centrifugal pump is in fault and abnormally heated, after the internal of the centrifugal pump is abnormally heated due to faults, and the internal of the compressor is abnormally heated due to faults, the evaporated liquid in the sliding cavity 13 can be quickly gasified, and pushes the sliding plug 14 to move, so that the two first contacts 15 are respectively contacted with the two second contacts 16, and then the circuit is conducted and the alarm is started to remind an operator of timely maintenance.
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 (6)
1. The utility model provides a vertical submerged centrifugal pump, includes centrifugal pump body (1) and a plurality of extension hose (3), its characterized in that: the top of centrifugal pump body (1) is equipped with motor (2) that are used for providing power, the bottom symmetry of centrifugal pump body (1) is equipped with casing (4), all be equipped with spout (5) in the both sides wall of casing (4), the inside of casing (4) is equipped with treatment chamber (30), two the inside of spout (5) and the inside of treatment chamber (30) are equipped with and are used for preventing the anti-blocking mechanism that the water inlet blockked up, smooth chamber (13) have been seted up to the bottom of centrifugal pump body (1), the inside of smooth chamber (13) is equipped with and is used for preventing the alarm mechanism that the inside high temperature of the pump body, one side fixedly connected with aqueduct (18) of centrifugal pump body (1), aqueduct (18) are equipped with the coupling mechanism that is used for fixed interface with a plurality of junctions that extend hose (3).
2. A vertical submerged centrifugal pump according to claim 1, characterized in that: the anti-blocking mechanism comprises a rotating shaft (6) fixedly connected to the tail end of an output shaft of the motor (2) and extending to the inside of the processing cavity (30), a threaded rod (7) is fixedly connected to the outer portion of the tail end of the rotating shaft (6), a nut (8) is connected to the outer portion of the threaded rod (7), a bearing (10) is connected to the outer portion of the nut (8) in a rotating mode, two sliding rods (9) are fixedly connected to the outer portion of the bearing (10), one side of each sliding rod (9) is inserted into the corresponding sliding groove (5), each sliding rod (9) is elastically connected with the top of the corresponding sliding groove (5) through a spring (11), an elastic air bag (12) is arranged between the other side of each sliding rod (9) and the bottom of the corresponding sliding groove (5), a filter plate (19) used for preventing the water inlet from being blocked is arranged at the bottom of the processing cavity (30), the outside of casing (4) is equipped with the pipe, all be equipped with first check valve between the one end of pipe and two elasticity gasbags (12), two first check valve only allows outside air to flow to the inside of two elasticity gasbags (12) respectively, two all be equipped with the second check valve between elasticity gasbag (12) and treatment chamber (30), two the second check valve only allows the inside gas of two elasticity gasbags (12) to get into the inside of treatment chamber (30), the other end of pipe extends to more than the surface of water, the contact department of pipe and the surface of water is equipped with the floater that is used for keeping the pipe unobstructed that admits air.
3. A vertical submerged centrifugal pump according to claim 1, characterized in that: the alarm mechanism comprises a sliding plug (14) which is arranged in a sliding cavity (13) in a sealing and sliding mode, evaporating liquid is packaged on the left side of the sliding plug (14) and one side wall of the sliding cavity (13), two first contacts (15) which are electrically connected are symmetrically and fixedly arranged on the right side of the sliding plug (14), two second contacts (16) are symmetrically and fixedly arranged on the other side wall of the sliding cavity (13), an alarm is fixedly arranged at the top of the centrifugal pump body (1), and the second contacts (16) are communicated with an internal circuit of the alarm.
4. A vertical submerged centrifugal pump according to claim 1, characterized in that: coupling mechanism is including fixed mounting in aqueduct (18) and a plurality of last mounting panel (28) that extend hose (3) upper end, and is a plurality of lower extreme fixed mounting of extending hose (3) has lower mounting panel (29), the inside equipartition interval of going up mounting panel (28) and lower mounting panel (29) is equipped with draw-in groove (31), it is equipped with sealing washer (32) to go up the junction between mounting panel (28) and lower mounting panel (29).
5. A vertical submerged centrifugal pump according to claim 1, characterized in that: a fixed plate (20) is fixedly connected with one side wall of the centrifugal pump body (1), a rotating rod is rotatably connected inside the fixed plate (20), a clamping plate (21) is fixedly connected to the outer part of the rotating rod, a groove (22) is formed in one side of the fixed plate (20), a clamping rod (23) is arranged on one side of the clamping plate (21), a slot (24) is arranged inside the clamping rod (23), a rectangular cavity (25) is formed in one side of the groove (22), a sliding block (26) is connected inside the rectangular cavity (25) in a sliding mode, the middle part of the sliding block (26) is rotatably connected with an inserted bar (27), a spring (11) is sleeved outside the inserted bar (27) in the rectangular cavity (25), one side of the sliding block (26) is elastically connected with one side wall of the rectangular cavity through a spring (11), one end of the insert rod (27) penetrates through the other side wall of the rectangular cavity (25) and extends into the insertion groove (24).
6. A vertical submerged centrifugal pump according to claim 3, characterized in that: the evaporation liquid is liquid alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110994009.9A CN113700656A (en) | 2021-08-27 | 2021-08-27 | Vertical submerged centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110994009.9A CN113700656A (en) | 2021-08-27 | 2021-08-27 | Vertical submerged centrifugal pump |
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| Publication Number | Publication Date |
|---|---|
| CN113700656A true CN113700656A (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110994009.9A Pending CN113700656A (en) | 2021-08-27 | 2021-08-27 | Vertical submerged centrifugal pump |
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| Country | Link |
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| CN (1) | CN113700656A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5795127A (en) * | 1995-10-20 | 1998-08-18 | Tecumseh Products Company | Vertical shaft self-priming centrifugal pump |
| CN205225881U (en) * | 2015-10-29 | 2016-05-11 | 重庆岷龙机械制造有限公司 | Prevent blockking up centrifugal pump |
| CN206229455U (en) * | 2016-11-29 | 2017-06-09 | 巫山县天煜奇叶农业开发有限公司 | Premna microphylla tablet pulverizer |
| CN212231978U (en) * | 2020-06-20 | 2020-12-25 | 张明月 | Multifunctional electric power and electric automation control system |
| CN112139009A (en) * | 2020-08-28 | 2020-12-29 | 丰泽区创智工业设计服务部 | Anti-blocking screening device |
-
2021
- 2021-08-27 CN CN202110994009.9A patent/CN113700656A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5795127A (en) * | 1995-10-20 | 1998-08-18 | Tecumseh Products Company | Vertical shaft self-priming centrifugal pump |
| CN205225881U (en) * | 2015-10-29 | 2016-05-11 | 重庆岷龙机械制造有限公司 | Prevent blockking up centrifugal pump |
| CN206229455U (en) * | 2016-11-29 | 2017-06-09 | 巫山县天煜奇叶农业开发有限公司 | Premna microphylla tablet pulverizer |
| CN212231978U (en) * | 2020-06-20 | 2020-12-25 | 张明月 | Multifunctional electric power and electric automation control system |
| CN112139009A (en) * | 2020-08-28 | 2020-12-29 | 丰泽区创智工业设计服务部 | Anti-blocking screening device |
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