CN212429186U - Directly link energy-saving permanent-magnet machine vacuum pump of driven type - Google Patents
Directly link energy-saving permanent-magnet machine vacuum pump of driven type Download PDFInfo
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- CN212429186U CN212429186U CN202020898908.XU CN202020898908U CN212429186U CN 212429186 U CN212429186 U CN 212429186U CN 202020898908 U CN202020898908 U CN 202020898908U CN 212429186 U CN212429186 U CN 212429186U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 28
- 239000010724 circulating oil Substances 0.000 claims description 10
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 239000004519 grease Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a direct-connected transmission type energy-saving permanent magnet motor vacuum pump, which comprises at least one pump body and a driving part, wherein the pump body comprises a pump shell and at least one pump rotor arranged in the pump shell, the front end of the rotating shaft of the pump rotor penetrates out of the front end plate of the pump shell and is connected with a motor rotor assembly of the driving part, namely, the motor rotor assembly is arranged at the front end part of the rotating shaft; the outer part of the front end plate of the pump shell is also connected with a flange plate and a motor shell, and the inner wall of the motor shell is provided with a motor coil assembly. The utility model discloses the drive disk assembly of vacuum pump adopts permanent-magnet machine's electric motor rotor and electric machine coil assembly, and permanent-magnet machine rotor direct mount is at the pivot tip of pump rotor, and electric machine coil assembly then installs at the motor housing inner wall and with electric machine rotor contactless, and the drive is more direct, has replaced the transmission of traditional belt pulley formula completely, and the drive process energy loss is little, and transmission efficiency is high, realizes energy saving and consumption reduction, and whole cost reduction, life is longer.
Description
The technical field is as follows:
the utility model relates to a vacuum pump technical field refers in particular to an energy-saving permanent-magnet machine vacuum pump of direct-connected transmission type.
Background art:
vacuum pumps are widely used in various fields as important industrial equipment, and are of various types, and the types and specifications of vacuum pumps required in different situations are also different. The existing vacuum pump mainly adopts a motor as a power source for driving, a belt pulley and other modes are utilized to drive rotors in a vacuum pump body to rotate, two rotors are usually arranged in the pump body, a driving rotor of one of the two rotors is driven by the motor and a belt transmission mechanism, the other rotor is driven by the driving rotor through a gear box, the rotation of the two rotors enables the space in the pump body to generate alternate change, and then air is sent to an air outlet from an air inlet of the pump body to be discharged, so that the pumped space connected with the air inlet reaches the required vacuum degree. Obviously, in the structure mode and the transmission mode, the motor and the pump body are split and are connected through the belt and the belt pulley, so that the whole occupied space is larger, the belt and the like belong to easily damaged objects, the service life is shorter, the replacement cost is higher and the time is more consumed; moreover, a motor shaft and a rotor shaft of the pump body are respectively installed and need a bearing and lubrication; moreover, the energy loss is large in the transmission process, so that the overall efficiency is low.
The utility model has the following contents:
the utility model aims at overcoming the above-mentioned weak point of prior art, provide an energy-saving permanent-magnet machine vacuum pump of direct-connected transmission formula.
The utility model adopts the technical proposal that: a direct-connected transmission type energy-saving permanent magnet motor vacuum pump comprises at least one pump body and a driving part, wherein the pump body comprises a pump shell and at least one pump rotor arranged in the pump shell, two ends of a rotating shaft of the pump rotor are respectively arranged on two end plates of the pump shell through bearings, and the pump body is provided with an air inlet and an air outlet; wherein: the front end of the rotating shaft penetrates through the front end plate of the pump shell and is connected with the motor rotor assembly of the driving part, namely the motor rotor assembly is arranged at the front end part of the rotating shaft; and the outer part of the front end plate of the pump shell is also connected with a flange plate and a motor shell, and the inner wall of the motor shell is provided with a motor coil assembly, namely the motor coil assembly and the motor rotor assembly form a driving part.
Specifically, the rotating shaft of the pump body comprises a driving shaft and a driven shaft which are installed in parallel, the tail ends of the driving shaft and the driven shaft penetrate through the tail end plate of the pump shell and are respectively connected with a driving gear and a driven gear which are meshed with each other, and the driving gear and the driven gear are arranged in the gear box; the front end of the driving shaft penetrates through the front end plate of the pump shell and is connected with the motor rotor of the driving part.
The outer wall of the front end part of the driving shaft is provided with a connecting sleeve, the outer wall of the connecting sleeve is provided with a permanent magnet motor rotor assembly, and the inside of the connecting sleeve is connected with the front end face of the driving shaft through a connecting bolt and a gasket.
As an implementation mode, the vacuum pump includes a mounting base, two pump bodies and two corresponding driving components, the two pump bodies are disposed on the mounting base, a rack is disposed on the mounting base, wherein the first pump body is connected to the first driving component and disposed on the rack, the second pump body is connected to the second driving component and fixed on the mounting base, and the exhaust port of the first pump body is connected to the intake port of the second pump body through a connecting elbow.
In the double-stage vacuum pump, the installation base, the pump body and the periphery of the driving part are also provided with the case assembly, and the case assembly is provided with the touch screen. The air inlet of the first pump body penetrates out of the case through the air inlet pipeline, and the air outlet of the second pump body penetrates out of the case through the air outlet pipeline.
A heat dissipation window is arranged at the top of the case component, and a heat dissipation fan is arranged on the inner side of the heat dissipation window; the pump body is connected with a circulating oil pipe and an oil pump, the circulating oil pipe extends to the lower part of the radiating fan, and the part of the circulating oil pipe below the radiating fan is in a shape of a snake-shaped coil.
The pump shell at the front end bearing of the driving shaft and the driven shaft of the pump body is respectively connected with an oil supplementing pipe, and the top of the oil supplementing pipe is connected with an oil storage box; the oil storage box is provided with an oil filling port and visual scales.
The utility model discloses the driving part of vacuum pump adopts permanent-magnet machine's electric motor rotor and motor coil assembly, permanent-magnet machine rotor direct mount is at the pivot tip of pump rotor, motor coil assembly then installs at the motor housing inner wall and contactless with electric motor rotor, the drive is more direct, traditional belt pulley formula's transmission has been replaced completely, on the one hand, the drive process energy loss is little, high transmission efficiency, realize energy saving and consumption reduction, on the other hand equipment structure is more simplified and compact, parts such as bearings are small in quantity, and do not have the belt, the belt pulley, the overall cost is reduced, furthermore, the vulnerable part of equipment is few, service life is longer, be more convenient for maintain.
Description of the drawings:
FIG. 1 is a perspective view of a main body of a vacuum pump according to the present invention;
fig. 2 and 3 are sectional views of the top view angle and the main view angle of the vacuum pump of the present invention;
fig. 4 and 5 are schematic perspective views of a single vacuum pump according to the present invention;
fig. 6 and 7 are schematic perspective views of a two-stage vacuum pump according to the present invention;
fig. 8 and 9 are schematic structural views of the heat dissipation device of the present invention.
The specific implementation mode is as follows:
as shown in fig. 1-3, the present invention relates to a direct-coupled energy-saving permanent magnet motor vacuum pump, which includes at least one pump body 1 and a driving component 2, the pump body 1 includes a pump housing 11 and at least one pump rotor 12 disposed inside the pump housing 11, two ends of a rotating shaft 120 of the pump rotor 12 are respectively mounted on two end plates of the pump housing 11 through bearings, the pump body 1 is provided with an air inlet 13 and an air outlet 14, in this embodiment, the air inlet 13 is disposed on a top surface of the pump housing 11, and the air outlet 14 is disposed on a lower side portion of the pump housing 11; wherein: the front end of the rotating shaft 120 penetrates through the front end plate of the pump housing 11 and is connected with the motor rotor assembly 21 of the driving part 2, namely, the motor rotor assembly 21 is installed at the front end part of the rotating shaft 120; a flange 22 and a motor casing 23 are further connected and mounted outside the front end plate of the pump casing 11 (an end cover at the outer end of the motor casing is not shown), and a motor coil assembly 24 is mounted on the inner wall of the motor casing 23, namely the motor coil assembly 24 and the motor rotor assembly 21 form a driving part 2; when the motor coil assembly 24 is energized, the coil assembly generates an alternating magnetic field, so that the motor rotor assembly 21 rotates and drives the rotating shaft 120 of the pump body 1 and the pump rotor 12 to rotate, and the pump body 1 works to realize air suction.
Specifically, the rotating shaft of the pump body 1 includes a driving shaft 121 and a driven shaft 122 which are installed in parallel, the ends of the driving shaft 121 and the driven shaft 122 penetrate through the end plate of the pump housing 11 and are respectively connected with a driving gear 123 and a driven gear 124 which are engaged with each other, and the driving gear 123 and the driven gear 124 are arranged in the gear box 15; the front end of the driving shaft 121 passes through the front end plate of the pump housing 11 and is connected with the motor rotor assembly 21 of the driving part 2; that is, the driving shaft 121 is driven to rotate by the high-speed rotation of the motor rotor assembly 21, and the driving shaft 121 drives the driven gear 124 through the driving gear 123 at the end thereof, so as to drive the driven shaft 122 to rotate, thereby enabling the driving rotor and the driven rotor to rotate for air exhaust operation.
The outer wall of the front end part of the driving shaft 121 is provided with a connecting sleeve 211, the outer wall of the connecting sleeve 211 is provided with a permanent magnet motor rotor assembly 21, and the inside of the connecting sleeve 211 is connected with the front end face of the driving shaft 121 through a connecting bolt 212 and a gasket 213, so that the motor rotor assembly 21 is more convenient and stable to install.
Fig. 4 to 5 are schematic views of a single-stage vacuum pump in which the pump body shown in fig. 1 is mounted on a mounting base 3, an intake duct 16 and an exhaust duct 17 are connected, and a casing 4 is mounted.
As shown in fig. 6 and 7, as an embodiment of a dual-stage vacuum pump, the vacuum pump includes a mounting base 3, two pump bodies 1 disposed on the mounting base 3, and two corresponding driving units 2, the mounting base 3 is provided with a rack 31, wherein a first pump body a1 is connected to a first driving unit b1 and disposed on the rack 31, a second pump body a2 is connected to a second driving unit b2 and fixed on the mounting base 3, and an exhaust port a11 of the first pump body is connected to an intake port a21 of a second pump body a2 through a connecting elbow a 3; that is, the embodiment is a two-stage vacuum pump, each pump body is driven by a driving component, the exhaust port a11 of the first pump body a1 is connected with the air inlet a21 of the second pump body a2, so that two-stage vacuum pumping is realized, and compared with a single-stage vacuum pump, a larger vacuum degree, a larger air flow and an outlet air pressure can be obtained under the same power, so that the requirement of a higher vacuum degree is met, and the two-stage vacuum pump is more energy-saving and environment-friendly.
In the above two-stage vacuum pump, the chassis component 4 is further mounted on the mounting base 3 and at the periphery of the pump body and the driving part, and the chassis component 4 is provided with the touch screen 41. The air inlet of the first pump body penetrates out of the case through the air inlet pipeline, and the air outlet of the second pump body penetrates out of the case through the air outlet pipeline so as to be connected with external equipment.
Referring to fig. 7-9, a heat dissipating window 42 is disposed on the top of the housing assembly 4, and a heat dissipating fan 43 is installed inside the heat dissipating window 42; the pump body is connected with a circulating oil pipe 44 and an oil pump 45, the circulating oil pipe 44 extends to the lower part of the radiating fan 43, the part of the circulating oil pipe 44 below the radiating fan 43 is in a snake-shaped coil shape, and the periphery of the circulating oil pipe is provided with a cylindrical air cover 46 which is opened up and down. Utilize radiator fan 43 and the snakelike coil pipe form circulation oil pipe at top, under the effect of oil pump 45, the heat that vacuum pump body during operation produced is absorbed by oil, then along circulation oil pipe 44 operation, at top radiator fan 43, the effect of tube-shape fan housing 46 and snakelike coil pipe gives off the heat fast down, reentrant pump body work after making the oil temperature cooling, the heat absorption, the circulation operation, the radiating efficiency of improvement pump body, ensure that the operating temperature of pump body maintains at lower level, thereby protect pump body and prolong its life.
The pump shell 11 at the front end bearing of the driving shaft and the driven shaft of the pump body 1 is respectively connected with an oil supplementing pipe 18, and the top of the oil supplementing pipe 18 is connected with an oil storage box 19; the oil storage box 19 is provided with an oil filling port and visual scales. Lubricating grease can be automatically supplemented to the inner space where the front end bearing of the driving shaft and the driven shaft is located by utilizing the oil storage box 19 and the oil supplementing pipe 18, so that the bearings are kept sufficiently lubricated, the problems of bearing damage and the like caused by lack of the lubricating grease are avoided, and the service life of the bearings is prolonged; the allowance of grease in the oil storage box 19 can be observed through the visual scales, so that an operator is reminded to regularly add oil into the oil storage box, and the operation of supplementing grease is simplified.
The utility model discloses the driving part of vacuum pump adopts permanent-magnet machine's electric motor rotor and motor coil assembly, permanent-magnet machine rotor direct mount is at the pivot tip of pump rotor, motor coil assembly then installs at the motor housing inner wall and contactless with electric motor rotor, the drive is more direct, traditional belt pulley formula's transmission has been replaced completely, on the one hand, the drive process energy loss is little, high transmission efficiency, realize energy saving and consumption reduction, on the other hand equipment structure is more simplified and compact, parts such as bearings are small in quantity, and do not have the belt, the belt pulley, the overall cost is reduced, furthermore, the vulnerable part of equipment is few, service life is longer, be more convenient for maintain.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (7)
1. A direct-connected transmission type energy-saving permanent magnet motor vacuum pump comprises at least one pump body and a driving part, wherein the pump body comprises a pump shell and at least one pump rotor arranged in the pump shell, two ends of a rotating shaft of the pump rotor are respectively arranged on two end plates of the pump shell through bearings, and the pump body is provided with an air inlet and an air outlet; the method is characterized in that: the front end of the rotating shaft penetrates through the front end plate of the pump shell and is connected with the motor rotor assembly of the driving part, namely the motor rotor assembly is arranged at the front end part of the rotating shaft; and the outer part of the front end plate of the pump shell is also connected with a flange plate and a motor shell, and the inner wall of the motor shell is provided with a motor coil assembly, namely the motor coil assembly and the motor rotor assembly form a driving part.
2. The direct drive energy-saving permanent magnet motor vacuum pump of claim 1, wherein: the rotating shaft of the pump body comprises a driving shaft and a driven shaft which are arranged in parallel, the tail ends of the driving shaft and the driven shaft penetrate through the tail end plate of the pump shell and are respectively connected with a driving gear and a driven gear which are meshed with each other, and the driving gear and the driven gear are arranged in the gear box; the front end of the driving shaft penetrates through the front end plate of the pump shell and is connected with the motor rotor assembly of the driving part.
3. The direct drive energy-saving permanent magnet motor vacuum pump of claim 2, wherein: the outer wall of the front end part of the driving shaft is provided with a connecting sleeve, the outer wall of the connecting sleeve is provided with a motor rotor assembly, and the inside of the connecting sleeve is connected with the front end face of the driving shaft through a connecting bolt and a gasket.
4. The direct drive energy-saving permanent magnet motor vacuum pump of claim 1, wherein: the vacuum pump comprises an installation base, two pump bodies and two corresponding driving parts, wherein the two pump bodies are arranged on the installation base, a rack is arranged on the installation base, the first pump body is connected with the first driving part and arranged on the rack, the second pump body is connected with the second driving part and fixed on the installation base, and an exhaust port of the first pump body is connected with an air inlet of the second pump body through a connecting bent pipe.
5. The direct drive energy-saving permanent magnet motor vacuum pump of claim 4, wherein: and a case assembly is also arranged on the mounting base and on the periphery of the pump body and the driving part, and a touch screen is arranged on the case assembly.
6. The direct drive energy-saving permanent magnet motor vacuum pump of claim 4, wherein: a heat dissipation window is arranged at the top of the case component, and a heat dissipation fan is arranged on the inner side of the heat dissipation window; the pump body is connected with a circulating oil pipe and an oil pump, the circulating oil pipe extends to the lower part of the radiating fan, and the part of the circulating oil pipe below the radiating fan is in a shape of a snake-shaped coil.
7. The direct drive energy-saving permanent magnet motor vacuum pump according to claim 2 or 4, characterized in that: the pump shell at the front end bearing of the driving shaft and the driven shaft of the pump body is respectively connected with an oil supplementing pipe, and the top of the oil supplementing pipe is connected with an oil storage box; the oil storage box is provided with an oil filling port and visual scales.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020208444887 | 2020-05-19 | ||
| CN202020844488 | 2020-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212429186U true CN212429186U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020898908.XU Active CN212429186U (en) | 2020-05-19 | 2020-05-25 | Directly link energy-saving permanent-magnet machine vacuum pump of driven type |
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| CN (1) | CN212429186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540514A (en) * | 2021-07-14 | 2021-10-22 | 河北金士顿新能源科技有限公司 | Hydrogen circulation device for fuel cell system |
-
2020
- 2020-05-25 CN CN202020898908.XU patent/CN212429186U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540514A (en) * | 2021-07-14 | 2021-10-22 | 河北金士顿新能源科技有限公司 | Hydrogen circulation device for fuel cell system |
| CN113540514B (en) * | 2021-07-14 | 2022-11-22 | 河北金士顿新能源科技有限公司 | Hydrogen circulation device for fuel cell system |
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