An energy-saving magnetically suspended turbine vacuum pump

Abstract

The present invention provides an energy-saving magnetic levitation turbine vacuum pump, comprising a vacuum pump body, a power generation mechanism installed on the vacuum pump body, an adjustment mechanism installed on the power generation mechanism, a protection mechanism installed on the vacuum pump body, a filter mechanism installed at the center of one side of the vacuum pump body, and a control mechanism installed on the filter mechanism. The present invention uses the power generation mechanism to drive the power generation mechanism to generate electricity through the gas discharged from the vacuum pump body, and adjusts the height of the power generation mechanism through the adjustment mechanism. The installation of the protection mechanism is conducive to shielding and protecting the exhaust part of the vacuum pump body to prevent debris from flying out and causing harm to the staff. The filter mechanism is installed in coordination with the vacuum pump body to achieve filtering protection of the air intake port to prevent large debris from being sucked in and causing blockage, and the filter mechanism is replaced and maintained by the control mechanism, without the need to start and stop the vacuum pump body.

Description

Technical Field

[0001] The invention belongs to the technical field of magnetic suspension turbine vacuum pump structure design, and in particular relates to an energy-saving magnetic suspension turbine vacuum pump. Background Art

[0002] With the progress of society and the development of industry, vacuum application technology is widely used in petroleum, chemical, papermaking, medicine, food, and other fields. The traditional vacuum pump products that are widely used in the market currently mainly include liquid ring vacuum pumps, rotary vane vacuum pumps, reciprocating vacuum pumps and Roots vacuum pumps. The above positive displacement vacuum pumps generally have the disadvantages of low efficiency, high energy consumption, high noise, and small air extraction volume. With the advancement of industrial technology, there is an increasing demand for large-flow, high-vacuum turbine machinery equipment.

[0003] At present, during the use of magnetic levitation turbine vacuum pumps, the vacuum pump will exhaust air while inhaling air. The gas discharged when the vacuum pump is working has a large flow rate. The vacuum pump lacks a good energy conversion component, which makes it difficult to reuse the gas blown out by the vacuum pump, thereby causing a waste of resources. At the same time, the vacuum pump lacks safety protection measures when exhausting air. When large debris or parts are blown out, it is easy to cause safety hazards. In addition, the filter component at the suction point of the vacuum pump is not easy to replace during operation, which requires start and stop operations during maintenance, affecting the practical life of the equipment. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides an energy-saving magnetically suspended turbine vacuum pump, which can realize continuous power generation, provide electric energy storage for some equipment, and recycle energy for reuse.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] An energy-saving magnetic levitation turbine vacuum pump comprises a vacuum pump body, on which a power generation mechanism is installed, the power generation mechanism comprises a mounting seat, one end of the top of the vacuum pump body is detachably connected to the mounting seat, two symmetrically distributed support plates are installed on the top of the mounting seat, mounting plates are installed on the top of the two support plates, a generator motor is installed at the center line of the top of the mounting plate, two symmetrical vertical plates are vertically connected at the bottom edge of the mounting plate, the two vertical plates extend to the inside of the vacuum pump body respectively, an impeller is rotatably connected between the bottoms of the two vertical plates through a rotating shaft, one end of the rotating shaft extends to the outside of the vertical plate, one end of the rotating shaft and one end of the output shaft of the generator motor are respectively installed with pulleys, the two pulleys are connected by a transmission belt, the impeller extends to the inside of the vacuum pump body, and a cover shell is installed on the outside of the two vertical plates respectively, and the transmission belt and the pulley are respectively located on the inside of the cover shell.

[0007] As a preferred solution of this embodiment, an adjustment mechanism is installed on the power generation mechanism, and the adjustment mechanism includes pads. Pads are respectively installed at the top midlines of the two ends of the mounting seat, and screws are respectively vertically connected to the two pads. The two support plates are slidably connected to the inner side of the mounting seat, and the mounting plate is slidably connected to the mounting seat through the support plate. Through holes are provided at both ends of the mounting plate, and the two ends of the mounting plate are slidably connected to the screws through the through holes.

[0008] As a preferred solution of this embodiment, a compression spring is provided on the screw rod, the top of the compression spring abuts against the mounting plate, the bottom of the compression spring abuts against the cushion block, the top of the screw rod is threadedly connected with a nut, and the nut abuts against the top side of the mounting plate.

[0009] As a preferred solution of this embodiment, a protective mechanism is installed on the vacuum pump body, and the protective mechanism includes a connecting seat. The connecting seat is detachably connected to one end of the top of the vacuum pump body. The connecting seat is a cylindrical structure with a hollow interior, and a mesh cover is threadedly connected to one end of the connecting seat.

[0010] As a preferred solution of this embodiment, the mesh cover is a cylindrical structure with a hollow interior, a funnel is snap-fitted and connected inside the mesh cover, and a side wall at one end of the funnel is provided with a plurality of through grooves distributed in an annular shape.

[0011] As a preferred solution of this embodiment, the mesh cover is a cylindrical structure with a hollow interior, and a filtering mechanism is installed at the center of one side of the vacuum pump body. The filtering mechanism includes a fixed tube, a fixed tube is installed at the center of one side of the vacuum pump body, a connecting sleeve is installed at one end of the fixed tube, a connecting pipe is installed on one side of the connecting sleeve, a sleeve is provided inside the connecting sleeve, and a filter mesh is installed inside the sleeve.

[0012] As a preferred solution of this embodiment, the filter screen is located between the connecting pipe and the fixed pipe, the filter screen is a cylindrical structure, and sealing rings are respectively installed at both ends of the sleeve, and the sealing rings are in contact with the inner wall of the connecting sleeve.

[0013] As a preferred solution of this embodiment, a control mechanism is installed on the filtering mechanism, and the control mechanism includes a movable groove. The movable groove is provided inside the connecting sleeve, and the connecting sleeve is a notch-shaped structure. The sleeve is slidably connected to the inside of the movable groove. A pull rod is slidably connected to the side wall of one end of the connecting sleeve, and one end of the pull rod is vertically connected to the side wall of the sleeve.

[0014] As a preferred solution of this embodiment, a sealing plate is installed on one side of the bottom of the sleeve, one end of the sealing plate is slidably connected to the side wall of the connecting sleeve, the sealing plate extends to the outside of the connecting sleeve, and the width of the sealing plate is equal to the outer diameter of the sleeve.

[0015] As a preferred solution of this embodiment, a return spring is provided on the outside of the pull rod, one end of the return spring abuts against the side wall of the sleeve, and the other end of the return spring abuts against the inner wall of the connecting sleeve, and a handle is installed on the pull rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention achieves continuous power generation by installing a power generation mechanism in coordination with a vacuum pump body, so that the gas discharged from the vacuum pump body drives the power generation mechanism, providing electrical energy storage for some equipment, and recycling energy. The height of the power generation mechanism can be adjusted by installing an adjusting mechanism, so that the speed of rotation of the power generation mechanism can be adjusted and controlled as needed. The installation of a protective mechanism facilitates shielding and protecting the exhaust port of the vacuum pump body to prevent debris from flying out and causing harm to the staff, and the air flow is dispersed when it is discharged without a large impact force. The installation of a filtering mechanism in coordination with the vacuum pump body achieves filtering protection of the air intake port to prevent large debris from being sucked in and causing blockage, and the filtering mechanism can be replaced and maintained by a control mechanism without starting and stopping the vacuum pump body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 A schematic diagram of the overall structure provided by the present invention;

[0020] Figure 2 It is a schematic diagram of the connection structure between the mounting plate and the mounting seat of the present invention;

[0021] Figure 3 It is a schematic diagram of the connection structure between the transmission belt and the pulley of the present invention;

[0022] Figure 4 It is a schematic diagram of the connection structure between the compression spring and the screw rod of the present invention;

[0023] Figure 5 It is a schematic diagram of the connection structure between the sleeve and the connecting sleeve of the present invention;

[0024] Figure 6 It is a schematic diagram of the connection structure between the sealing plate and the sleeve of the present invention;

[0025] Figure 7 It is a schematic diagram of the connection structure between the mesh cover and the connection seat of the present invention;

[0026] Figure 8 It is a schematic diagram of the connection structure between the through groove and the funnel of the present invention.

[0027] As shown in the figure: 1. vacuum pump body; 2. power generation mechanism; 201. mounting seat; 202. mounting plate; 203. generator motor; 204. cover; 205. impeller; 206. support plate; 207. rotating shaft; 208. pulley; 209. transmission belt; 210. vertical plate; 3. adjustment mechanism; 301. cushion block; 302. screw; 303. through hole; 304. nut; 305. compression spring; 4. protection mechanism; 401. mesh cover; 402. connecting seat; 403. funnel; 404. through groove; 5. filtering mechanism; 501. connecting pipe; 502. connecting sleeve; 503. fixed pipe; 504. filter screen; 505. sleeve; 506. sealing ring; 6. control mechanism; 601. movable groove; 602. handle; 603. sealing plate; 604. reset spring; 605. pull rod. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0029] See also Figures 1 to 8 As shown, an embodiment of the present invention provides an energy-saving magnetic levitation turbine vacuum pump, including a vacuum pump body 1, a power generation mechanism 2 is installed on the vacuum pump body 1, an adjustment mechanism 3 is installed on the power generation mechanism 2, a protection mechanism 4 is installed on the vacuum pump body 1, a filter mechanism 5 is installed at the center of one side of the vacuum pump body 1, and a control mechanism 6 is installed on the filter mechanism 5. In this embodiment, through the coordinated installation of the power generation mechanism 2 and the vacuum pump body 1, the gas discharged from the vacuum pump body 1 drives the power generation mechanism 2 to achieve continuous power generation, provide power storage for some equipment, and recycle energy. Through the installation of the adjustment mechanism 3, the height of the power generation mechanism 2 is adjusted, so that the speed of the generator mechanism 2 can be adjusted and controlled as needed. Through the installation of the protection mechanism 4, it is beneficial to shield and protect the exhaust port of the vacuum pump body 1 to prevent debris from flying out and causing harm to the staff, and to scatter the air flow when it is discharged without a large impact force. By cooperating and installing the filter mechanism 5 with the vacuum pump body 1, filtering protection is achieved on the air intake port to prevent large debris from being sucked in and causing blockage, and the filter mechanism 5 can be replaced and maintained through the control mechanism 6 without starting and stopping the vacuum pump body 1.

[0030] See also Figure 1 , Figure 2 and Figure 3As shown, in this embodiment, the power generation mechanism 2 specifically includes a mounting seat 201, and the mounting seat 201 is detachably connected to one end of the top of the vacuum pump body 1. Two symmetrically distributed support plates 206 are installed on the top of the mounting seat 201, and a mounting plate 202 is installed on the top of the two support plates 206. A generator motor 203 is installed at the center line of the top of the mounting plate 202. Two symmetrical vertical plates 210 are vertically connected to the bottom edge of the mounting plate 202, and the two vertical plates 210 extend to the inside of the vacuum pump body 1 respectively. An impeller 205 is rotatably connected between the bottoms of the two vertical plates 210 through a rotating shaft 207, and one end of the rotating shaft 207 extends to the outside of the vertical plate 210. Pulleys 208 are installed at one end of the rotating shaft 207 and one end of the output shaft of the generator motor 203, respectively. The two pulleys 208 are connected by a transmission belt 209, and the impeller 205 extends to the inside of the vacuum pump body 1.

[0031] Specifically in this embodiment, the connection between the mounting seat 201 and the vacuum pump body 1 facilitates the installation of the mounting plate 202 through the support plate 206, thereby realizing the connection of the generator motor 203, and realizing the rotational installation of the impeller 205 with the cooperation of the vertical plate 210, and driving the impeller 205 when the vacuum pump body 1 is exhausted with the cooperation of the pulley 208 and the transmission belt 209. The generator motor 203 is driven to rotate continuously through transmission, thereby generating electricity and providing electrical energy storage for some equipment. The outer sides of the two vertical plates 210 are respectively installed with a cover 204, and the transmission belt 209 and the pulley 208 are respectively located on the inner side of the cover 204. The installation of the cover 204 facilitates the shielding and protection of the transmission belt 209 and the pulley 208.

[0032] See also Figure 2 , Figure 3 and Figure 4As shown, the adjustment mechanism 3 specifically includes a cushion block 301, and cushion blocks 301 are respectively installed at the top midline of both ends of the mounting seat 201, and screw rods 302 are respectively vertically connected to the two cushion blocks 301, and two support plates 206 are slidably connected to the inner side of the mounting seat 201. The mounting plate 202 is slidably connected to the mounting seat 201 through the support plate 206, and through holes 303 are provided at both ends of the mounting plate 202. The two ends of the mounting plate 202 are slidably connected to the screw rod 302 through the through holes 303. A compression spring 305 is provided on the screw rod 302, and the top of the compression spring 305 contacts the mounting plate 202. The bottom of the compression spring 305 is in conflict with the cushion block 301, and the top of the screw rod 302 is threadedly connected with a nut 304, and the nut 304 is in conflict with the top side of the mounting plate 202. The installation of the cushion block 301 facilitates the vertical connection of the screw rod 302, and with the cooperation of the compression spring 305, the mounting plate 202 is supported. By sliding the support plate 206 and the mounting seat 201, when the two nuts 304 are rotated synchronously, the mounting plate 202 is squeezed and controlled, and the mounting plate 202 is moved away from the elastic force of the compression spring 305, so as to adjust the height of the impeller 205, adjust the contact area between the impeller 205 and the gas discharged from the vacuum pump body 1, and then change the rotation speed of the impeller 205.

[0033] See also Figure 1 and Figure 7 As shown, the protection mechanism 4 includes a connection seat 402, and one end of the top of the vacuum pump body 1 is detachably connected to the connection seat 402, and the connection seat 402 is a cylindrical structure with a hollow interior. One end of the connection seat 402 is threadedly connected to a mesh cover 401, and the mesh cover 401 is a cylindrical structure with a hollow interior. The connection to the mesh cover 401 is achieved by installing the connection seat 402. The installation of the mesh cover 401 is conducive to shielding and protecting the debris generated when the vacuum pump body 1 is exhausted. In addition, the airflow is scattered when it is discharged, and there will not be a large impact force. The mesh cover 401 is threadedly connected to the connection seat 402, which facilitates the subsequent disassembly and maintenance of the mesh cover 401.

[0034] See also Figure 8 As shown, a funnel 403 is snap-fitted inside the mesh cover 401, and a plurality of through grooves 404 distributed in an annular shape are provided on the side wall at one end of the funnel 403. The through grooves 404 are provided to make the side wall of the funnel 403 elastic, so that debris can enter smoothly, and after the debris is discharged through the funnel 403, it will not return to the inside of the vacuum pump body 1, thereby playing a one-way protection role.

[0035] See also Figure 1 , Figure 5 and Figure 6As shown, the filtering mechanism 5 specifically includes a fixed pipe 503, a fixed pipe 503 is installed at the center of one side of the vacuum pump body 1, a connecting sleeve 502 is installed at one end of the fixed pipe 503, a connecting pipe 501 is installed on one side of the connecting sleeve 502, a sleeve 505 is provided inside the connecting sleeve 502, a filter 504 is installed inside the sleeve 505, and the filter 504 is located between the connecting pipe 501 and the fixed pipe 503. The installation of the fixed pipe 503 facilitates the connection of the connecting sleeve 502, and the installation of the connecting pipe 501 facilitates the connection with the external pipeline. The sleeve 505 is installed inside the connecting sleeve 502, which facilitates the installation of the filter 504, thereby realizing protection between the connecting pipe 501 and the fixed pipe 503, so that large external debris will not be sucked into the vacuum pump body 1 to cause blockage or damage. The filter screen 504 is a cylindrical structure, and sealing rings 506 are installed at both ends of the sleeve 505. The sealing ring 506 contacts the inner wall of the connecting sleeve 502, which is conducive to blocking and filtering debris. With the cooperation of the sealing ring 506, the sleeve 505 and the inside of the connecting sleeve 502 are tightly sealed without air leakage.

[0036] See 5 and Figure 6 As shown, the control mechanism 6 specifically includes a movable groove 601, and the movable groove 601 is provided inside the connecting sleeve 502. The connecting sleeve 502 is a notch-shaped structure, and the sleeve 505 is slidably connected to the inside of the movable groove 601. A pull rod 605 is slidably connected to the side wall of one end of the connecting sleeve 502, and one end of the pull rod 605 is vertically connected to the side wall of the sleeve 505. The opening of the movable groove 601 facilitates the sliding connection of the sleeve 505 with the inside of the connecting sleeve 502. With the cooperation of the pull rod 605, it is convenient to pull and control the sleeve 505, so that the sleeve 505 can be pulled out, thereby facilitating the replacement and maintenance of the filter screen 504 inside the sleeve 505.

[0037] See 5 and Figure 6 As shown, a sealing plate 603 is installed on one side of the bottom of the sleeve 505, one end of the sealing plate 603 is slidably connected to the side wall of the connecting sleeve 502, and the sealing plate 603 extends to the outside of the connecting sleeve 502. The width of the sealing plate 603 is equal to the outer diameter of the sleeve 505. When the sleeve 505 is pulled out for maintenance, the sealing plate 603 on the side wall of the sleeve 505 is controlled to slide, so that the sealing plate 603 covers the bottom of the connecting sleeve 502, and then seals the fixed pipe 503 to prevent the inhalation of debris. After the replacement is completed, the sleeve 505 is inserted, and the sealing plate 603 slides out, so that the gas can flow through the filter 504 normally.

[0038] See 5 and Figure 6As shown, a return spring 604 is provided on the outside of the pull rod 605, one end of the return spring 604 contacts the side wall of the sleeve 505, and the other end of the return spring 604 contacts the inner wall of the connecting sleeve 502. The installation of the return spring 604 plays a role in resetting the sleeve 505, so that the sleeve 505 can be reset in time after being pulled out, and the sleeve 505 can be installed stably. A handle 602 is installed on the pull rod 605, and the handle 602 is a "mouth" shaped structure. The installation of the handle 602 facilitates the drive control of the pull rod 605, and the operation is convenient and non-slip.

[0039] When the present invention is in use, firstly, the connection between the mounting seat 201 and the vacuum pump body 1 is facilitated to install the mounting plate 202 through the support plate 206, so as to realize the connection with the generator motor 203, and the impeller 205 is rotatably installed with the cooperation of the vertical plate 210, and the impeller 205 is driven when the vacuum pump body 1 is exhausted with the cooperation of the pulley 208 and the transmission belt 209, so that the impeller 205 is driven to continuously rotate through the transmission drive generator motor 203, and then the power generation work is performed, and the power storage is provided for some equipment, and the installation of the cover 204 is facilitated to shield and protect the transmission belt 209 and the pulley 208, and the installation of the cushion block 301 is facilitated to vertically connect the screw rod 302, and the mounting plate 202 is supported with the cooperation of the compression spring 305, and the support The sliding of the support plate 206 and the mounting seat 201, when the two nuts 304 are rotated synchronously, the squeezing control of the mounting plate 202 is realized, and the mounting plate 202 is moved away from the elastic force of the compression spring 305, so as to adjust the height of the impeller 205, adjust the contact area of ​​the impeller 205 with the gas discharged by the vacuum pump body 1, and then change the rotation speed of the impeller 205, and realize the connection of the mesh cover 401 by installing the connecting seat 402. The installation of the mesh cover 401 is conducive to shielding and protecting the debris generated when the vacuum pump body 1 is exhausted, and the airflow is scattered when it is led out without a large impact force. The threaded connection between the mesh cover 401 and the connecting seat 402 is convenient for the subsequent disassembly and maintenance of the mesh cover 401, and the opening of the through slot 404 makes the funnel The side wall of 403 is elastic, so that debris can enter smoothly, and the debris will not return to the inside of the vacuum pump body 1 after being discharged through the funnel 403, which plays a one-way protection role. The installation of the fixed pipe 503 is conducive to the connection of the connecting sleeve 502, and the installation of the connecting pipe 501 is conducive to the connection with the external pipeline. The sleeve 505 is installed inside the connecting sleeve 502, which is convenient for the installation of the filter screen 504, thereby realizing the protection between the connecting pipe 501 and the fixed pipe 503, so that large external debris will not be sucked into the vacuum pump body 1 to cause blockage or damage, which is conducive to blocking and filtering the debris. With the cooperation of the sealing ring 506, the sleeve 505 and the inside of the connecting sleeve 502 are tightly sealed without air leakage, and the movable groove 601 is used to The opening is conducive to the sliding connection between the sleeve 505 and the inside of the connecting sleeve 502. With the cooperation of the pull rod 605, it is convenient to pull and control the sleeve 505, so that the sleeve 505 can be pulled out, thereby facilitating the replacement and maintenance of the filter 504 inside the sleeve 505. When the sleeve 505 is pulled out for maintenance, the sealing plate 603 on the side wall of the sleeve 505 is controlled to slide, so that the sealing plate 603 blocks the bottom of the connecting sleeve 502, and then seals the fixed pipe 503 to prevent the inhalation of debris. After the replacement is completed, the sleeve 505 is inserted, and the sealing plate 603 slides out, so that the gas can flow normally through the filter 504. The installation of the reset spring 604 plays a role in resisting the reset of the sleeve 505, so that the sleeve 505 can be reset in time after being pulled out, and the installation of the sleeve 505 is stable.The installation of the handle 602 facilitates the driving and control of the pull rod 605, and the operation is convenient and does not slip.

[0040] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An energy-saving magnetically suspended turbine vacuum pump, comprising a vacuum pump body (1), characterized in that: A power generation mechanism (2) is installed on the vacuum pump body (1), and the power generation mechanism (2) comprises a mounting seat (201). One end of the top of the vacuum pump body (1) is detachably connected to the mounting seat (201). Two symmetrically distributed support plates (206) are installed on the top of the mounting seat (201). A mounting plate (202) is installed on the top of the two support plates (206). A generator motor (203) is installed at the center line of the top of the mounting plate (202). Two symmetrical vertical plates (210) are vertically connected to the bottom edge of the mounting plate (202). The two vertical plates (210) extend into the vacuum pump body (1) respectively. On the side, an impeller (205) is rotatably connected between the bottoms of the two vertical plates (210) via a rotating shaft (207), one end of the rotating shaft (207) extends to the outside of the vertical plate (210), one end of the rotating shaft (207) and one end of the output shaft of the generator motor (203) are respectively installed with pulleys (208), the two pulleys (208) are connected by a transmission belt (209), the impeller (205) extends to the inside of the vacuum pump body (1), and covers (204) are respectively installed on the outsides of the two vertical plates (210), and the transmission belt (209) and the pulley (208) are respectively located on the inside of the cover (204).

2. The energy-saving magnetically suspended turbine vacuum pump according to claim 1 is characterized in that: The power generation mechanism (2) is provided with an adjustment mechanism (3), the adjustment mechanism (3) comprising a cushion block (301), cushion blocks (301) are respectively provided at the top midlines of both ends of the mounting seat (201), two cushion blocks (301) are respectively vertically connected with screw rods (302), the two support plates (206) are slidably connected to the inner side of the mounting seat (201), the mounting plate (202) is slidably connected to the mounting seat (201) via the support plate (206), through holes (303) are provided at both ends of the mounting plate (202), and the two ends of the mounting plate (202) are slidably connected to the screw rods (302) via the through holes (303).

3. The energy-saving magnetically suspended turbine vacuum pump according to claim 2 is characterized in that: The screw rod (302) is provided with a compression spring (305), the top of the compression spring (305) contacts the mounting plate (202), the bottom of the compression spring (305) contacts the cushion block (301), the top of the screw rod (302) is threadedly connected with a nut (304), and the nut (304) contacts the top side of the mounting plate (202).

4. The energy-saving magnetically suspended turbine vacuum pump according to claim 1 is characterized in that: A protective mechanism (4) is installed on the vacuum pump body (1), and the protective mechanism (4) comprises a connecting seat (402). One end of the top of the vacuum pump body (1) is detachably connected to the connecting seat (402), and the connecting seat (402) is a cylindrical structure with a hollow interior. One end of the connecting seat (402) is threadedly connected to a mesh cover (401).

5. The energy-saving magnetically suspended turbine vacuum pump according to claim 4 is characterized in that: The mesh cover (401) is a cylindrical structure with a hollow interior. A funnel (403) is snap-fitted and connected inside the mesh cover (401). A side wall at one end of the funnel (403) is provided with a plurality of through grooves (404) distributed in an annular shape.

6. The energy-saving magnetically suspended turbine vacuum pump according to claim 1 is characterized in that: A filter mechanism (5) is installed at the center of one side of the vacuum pump body (1), and the filter mechanism (5) comprises a fixed pipe (503). A fixed pipe (503) is installed at the center of one side of the vacuum pump body (1), a connecting sleeve (502) is installed at one end of the fixed pipe (503), a connecting pipe (501) is installed at one side of the connecting sleeve (502), a sleeve (505) is provided inside the connecting sleeve (502), and a filter screen (504) is installed inside the sleeve (505).

7. The energy-saving magnetically suspended turbine vacuum pump according to claim 6 is characterized in that: The filter screen (504) is located between the connecting tube (501) and the fixed tube (503). The filter screen (504) is a cylindrical structure. Sealing rings (506) are respectively installed at both ends of the sleeve (505). The sealing rings (506) are in contact with the inner wall of the connecting sleeve (502).

8. The energy-saving magnetically suspended turbine vacuum pump according to claim 6 is characterized in that: A control mechanism (6) is installed on the filtering mechanism (5), and the control mechanism (6) includes a movable groove (601). The movable groove (601) is provided inside the connecting sleeve (502), and the connecting sleeve (502) is a notch-shaped structure. The sleeve (505) is slidably connected to the inside of the movable groove (601). A pull rod (605) is slidably connected to the side wall of one end of the connecting sleeve (502), and one end of the pull rod (605) is vertically connected to the side wall of the sleeve (505).

9. The energy-saving magnetically suspended turbine vacuum pump according to claim 8, characterized in that: A sealing plate (603) is installed on one side of the bottom of the sleeve (505), one end of the sealing plate (603) is slidably connected to the side wall of the connecting sleeve (502), and the sealing plate (603) extends to the outside of the connecting sleeve (502). The width of the sealing plate (603) is equal to the outer diameter of the sleeve (505).

10. The energy-saving magnetically suspended turbine vacuum pump according to claim 9, characterized in that: A return spring (604) is provided on the outside of the pull rod (605), one end of the return spring (604) contacts the side wall of the sleeve (505), and the other end of the return spring (604) contacts the inner wall of the connecting sleeve (502), and a handle (602) is installed on the pull rod (605).

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