CN219529311U - Roots single-stage claw composite vacuum pump - Google Patents
Roots single-stage claw composite vacuum pump Download PDFInfo
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- CN219529311U CN219529311U CN202223535932.5U CN202223535932U CN219529311U CN 219529311 U CN219529311 U CN 219529311U CN 202223535932 U CN202223535932 U CN 202223535932U CN 219529311 U CN219529311 U CN 219529311U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses a Roots single-stage claw composite vacuum pump, which comprises a shell and a vacuumizing mechanism; a shell: the left end and the right end of the bottom wall of the pump body are fixedly connected with the lower surface of a fixed plate through symmetrically distributed telescopic columns, the upper surface of the fixed plate is symmetrically provided with supporting columns, a pump shell is fixedly connected between the two supporting columns, the upper end of the top wall of the pump shell is penetrated and provided with an air inlet hose, the upper end of the air inlet hose penetrates through a first round hole formed in the top wall of the shell, the bottom wall of the pump shell is penetrated and provided with an air outlet hose, the lower end of the air outlet hose penetrates through a second round hole formed in the bottom wall of the shell, and four corners of the lower surface of the shell are symmetrically provided with supporting seats; and a vacuumizing mechanism: the Roots single-stage claw combined vacuum pump is arranged in a pump shell, the lower end of a vacuumizing mechanism is fixedly connected with the upper surface of a fixed plate, and axial vibration force generated by a rotor is absorbed through spring force and sliding friction damping, so that the rotary stability of the rotor is improved, and the Roots single-stage claw combined vacuum pump is convenient to use.
Description
Technical Field
The utility model relates to the technical field of Roots vacuum pumps, in particular to a Roots single-stage claw composite vacuum pump.
Background
The Roots vacuum pump is a variable-volume vacuum pump which is provided with two blade-shaped rotors which synchronously rotate in opposite directions, fine gaps are reserved between the rotors and the inner wall of a pump shell, and the blade-shaped rotors are not contacted with each other, the variable-volume vacuum pump is widely used in industries such as petroleum, chemical industry, metallurgy and textile, the Roots single-stage claw composite vacuum pump belongs to one type of Roots vacuum pump, when the Roots single-stage claw composite vacuum pump is used, the two claw-shaped rotors are vertically and relatively arranged, as the rotors continuously rotate, an air suction body is sucked into a space V0 between a lower rotor and the pump shell from an air inlet of the pump, the V0 space after air suction is in a fully-closed state, as the rotors rotate, the closed V0 space is communicated with an air outlet, and the air pressure on the air exhaust side is higher, so that part of air pressure in the V0 space is suddenly increased, and when the rotors continuously rotate, the originally enclosed air in the V0 space is discharged outside the pump together with the back-flushing air, at the moment, the upper rotor is enclosed with the V0 volume of the air from the pump inlet, and the two rotors are continuously operated, so that the two rotors continuously form a closed space V0, the air suction body is continuously, the air in the closed space is continuously, the air space is discharged from the space, and the air space is mutually rotates, the two rotors are simultaneously, and the two-stage claw composite vacuum pump is easily rotates, and the two-type rotary claw pump is realized, and the purpose of the axial rotation of the rotary vacuum pump is realized, and the two-type rotary claw-type is realized.
Disclosure of Invention
The utility model aims to overcome the existing defects and provide the Roots single-stage claw composite vacuum pump, which can absorb axial vibration force generated by a rotor through spring force and sliding friction damping, improve the rotation stability of the rotor, is convenient to use and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the Roots single-stage claw composite vacuum pump comprises a shell and a vacuumizing mechanism;
a shell: the left end and the right end of the bottom wall of the pump body are fixedly connected with the lower surface of a fixed plate through symmetrically distributed telescopic columns, the upper surface of the fixed plate is symmetrically provided with supporting columns, a pump shell is fixedly connected between the two supporting columns, the upper end of the top wall of the pump shell is penetrated and provided with an air inlet hose, the upper end of the air inlet hose penetrates through a first round hole formed in the top wall of the shell, the bottom wall of the pump shell is penetrated and provided with an air outlet hose, the lower end of the air outlet hose penetrates through a second round hole formed in the bottom wall of the shell, and four corners of the lower surface of the shell are symmetrically provided with supporting seats;
and a vacuumizing mechanism: the device is arranged in the pump shell, the lower end of the vacuumizing mechanism is fixedly connected with the upper surface of the fixing plate, and the device absorbs axial vibration force generated by the rotor through spring force and sliding friction damping, so that the rotation stability of the rotor is improved, and the use is convenient.
Further, the portable electric appliance further comprises a control switch, the control switch is arranged on the right side face of the shell, the input end of the control switch is electrically connected with an external power supply, and the control of the electric appliance element is convenient.
Further, the evacuation mechanism includes first pivot, rotor, first gear, second pivot, second gear, connecting seat and rotating electrical machines, the connecting seat sets up in the upper surface left side of fixed plate, the rear surface of connecting seat is equipped with rotating electrical machines, the input and the output electricity of control switch of rotating electrical machines are connected, both ends are connected with the first pivot of symmetric distribution through first bearing rotation about the back wall of pump case, the front end of first pivot all is equipped with the rotor, rotor and pump case cooperation installation, the output shaft of rotating electrical machines and the rear end fixed connection of the first pivot of left side, the rear end of first pivot all is equipped with the second gear, the rear surface of pump case is connected with the second pivot of symmetric distribution through the second bearing rotation, the rear end of second pivot all is equipped with first gear, two first gears and first gear are all meshed with the second gear of horizontal adjacent and are connected, drive the rotor and rotate and carry out the evacuation operation.
Further, the middle parts of the inner walls of the air outlet hose and the air inlet hose are respectively provided with a filter screen for filtering the air in the device.
Further, four springs which are symmetrically distributed are arranged between the bottom wall of the shell and the lower surface of the fixed plate, and the springs are movably sleeved with the outer ends of the adjacent telescopic columns to elastically damp the device.
Further, the upper and lower both sides of shell all are equipped with and inhale the sound cotton, inhale the inner wall of sound cotton and all contact with the lateral surface of adjacent air inlet hose and air outlet hose, absorb the noise of device inside.
Furthermore, the front wall and the rear wall of the shell are respectively provided with uniformly distributed cooling fins in a penetrating way, so that heat in the device is transferred to the outside.
Compared with the prior art, the utility model has the beneficial effects that: the Roots single-stage claw composite vacuum pump has the following advantages:
axial vibration generated by inertial force in the rotating process of the rotor is vertically acted on the fixed plate through the pump shell and the supporting column, and is absorbed through elastic contraction and relaxation of the spring and sliding friction damping generated by relative sliding of the telescopic end and the fixed end of the telescopic column, so that the rotating stability of the rotor is improved, the axial vibration force generated by the rotor is absorbed through the elastic force of the spring and the sliding friction damping of the Roots single-stage claw composite vacuum pump, the rotating stability of the rotor is improved, and the use is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of the rear structure of the present utility model.
In the figure: 1 supporting seat, 2 shell, 3 control switch, 4 telescopic column, 5 spring, 6 fixed plate, 7 support column, 8 pump shell, 9 evacuation mechanism, 91 first pivot, 92 rotor, 93 first gear, 94 second pivot, 95 second gear, 96 connecting seat, 97 rotation motor, 10 hose of giving vent to anger, 11 filter screen, 12 air inlet hose, 13 inhale the sound cotton, 14 fin.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present embodiment provides a technical solution: the Roots single-stage claw composite vacuum pump comprises a shell 2 and a vacuumizing mechanism 9;
the shell 2: the left end and the right end of the bottom wall of the air inlet hose are fixedly connected with the lower surface of a fixed plate 6 through symmetrically distributed telescopic columns 4, the upper surface of the fixed plate 6 is symmetrically provided with support columns 7, a pump shell 8 is fixedly connected between the two support columns 7, the upper end of the top wall of the pump shell 8 is penetrated and provided with an air inlet hose 12, the upper end of the air inlet hose 12 penetrates through a first round hole formed in the top wall of the shell 2, the bottom wall of the pump shell 8 is penetrated and provided with an air outlet hose 10, the lower end of the air outlet hose 10 penetrates through a second round hole formed in the bottom wall of the shell 2, four corners of the lower surface of the shell 2 are symmetrically provided with supporting seats 1, the air inlet hose further comprises a control switch 3, the control switch 3 is arranged on the right side surface of the shell 2, the input end of the control switch 3 is electrically connected with an external power supply, four symmetrically distributed springs 5 are arranged between the bottom wall of the shell 2 and the lower surface of the fixed plate 6, the springs 5 are movably sleeved with the outer ends of the adjacent telescopic columns 4, the upper side and the lower side of the shell 2 are respectively provided with sound absorbing cotton 13, the inner walls of the sound absorbing cotton 13 are respectively contacted with the outer side surfaces of the adjacent air inlet hose 12 and the air outlet hose 10, the front wall and the rear wall of the shell 2 are respectively provided with radiating fins 14 which are uniformly distributed in a penetrating way, when the Roots single-stage claw composite vacuum pump is used for vacuumizing, firstly, the device is placed at a designated position through the supporting seat 1, then the air inlet hose 12 is connected with an external device which needs vacuumizing, axial vibration generated by inertia force in the rotating process of the rotor 92 is vertically acted on the fixed plate 6 through the pump shell 8 and the supporting column 7, the rotation stability of the rotor 92 is improved through the elastic contraction and the relaxation of the spring 5 and the sliding friction damping generated by the relative sliding of the telescopic end and the fixed end of the telescopic column 4, the sound absorbing cotton 13 can reduce the industrial noise generated in the working process of the device, the radiating fins 14 assist heat transfer to the outside through a gas medium to cool the inside of the device by heat generated in the working process of the rotating motor 97, the Roots single-stage claw compound vacuum pump absorbs axial vibration force generated by the rotor 92 through spring force and sliding friction damping, and the rotary stability of the rotor 92 is improved, and the device is convenient to use;
vacuumizing mechanism 9: the vacuum pump is arranged in a pump shell 8, the lower end of a vacuum pumping mechanism 9 is fixedly connected with the upper surface of a fixed plate 6, the vacuum pumping mechanism 9 comprises a first rotating shaft 91, a rotor 92, a first gear 93, a second rotating shaft 94, a second gear 95, a connecting seat 96 and a rotating motor 97, the connecting seat 96 is arranged on the left side of the upper surface of the fixed plate 6, the rear surface of the connecting seat 96 is provided with the rotating motor 97, the input end of the rotating motor 97 is electrically connected with the output end of a control switch 3, the left and right ends of the rear wall of the pump shell 8 are rotationally connected with symmetrically distributed first rotating shafts 91 through first bearings, the front end of each first rotating shaft 91 is provided with a rotor 92 which is matched with the pump shell 8, the output shaft of the rotating motor 97 is fixedly connected with the rear end of the first rotating shaft 91 on the left side, the rear end of each first rotating shaft 91 is provided with a second gear 95, the rear surface of the pump shell 8 is rotationally connected with symmetrically distributed second rotating shafts 94 through second bearings, the rear end of the second rotating shaft 94 is provided with a first gear 93, the two first gears 93 and the first gears 93 are in meshed connection with a second gear 95 which is transversely adjacent, the middle parts of the inner walls of the air outlet hose 10 and the air inlet hose 12 are provided with a filter screen 11, the two rotors 92 are mutually perpendicular, the control switch 3 starts a rotating motor 97, the rotating motor 97 drives the left first rotating shaft 91 to reversely rotate, the left first rotating shaft 91 drives the left second gear 95 to rotate, the second gear 95 is in meshed connection with the first gears 93 and is in meshed connection with the first gears 93 so that the right second gear 95 drives the right first rotating shaft 91 to positively rotate, the two first rotating shafts 91 respectively drive the corresponding rotors 92 to reversely rotate relatively, the air is moved by pushing action of synchronous and reverse rotation of the rotors 92 to realize air suction from the air inlet hose 12, with the continuous rotation of the rotor 92, the pumped gas is sucked into the air inlet space between the rotor 92 and the pump shell 8 from the air inlet hose 12, and the air in the pump cavity is not compressed and expanded because the air inlet space is in a fully-closed state after the air is sucked, but when the top of the rotor 92 rotates past the edge of the air outlet hose 10, the air inlet space is communicated with the air outlet side, the air inlet gas is pressed into the air outlet hose 10 by the mutual extrusion between the two rotors 92 to be discharged out of the device, so that the vacuumizing operation is realized, the filter screen 11 can filter impurities in the gas passing through the device, prevent the rotor 92 from rotating due to the impurities in the gas, and perform the vacuumizing operation on the external device by the relative synchronous reverse rotation of the rotors 92.
The working principle of the Roots single-stage claw compound vacuum pump provided by the utility model is as follows: when the Roots single-stage claw combined vacuum pump is used for vacuumizing, firstly, the device is placed at a designated position through the supporting seat 1, then the air inlet hose 12 is connected with an external device needing vacuumizing, the two rotors 92 are mutually vertically arranged, the control switch 3 starts the rotating motor 97, the rotating motor 97 drives the left first rotating shaft 91 to reversely rotate, the left first rotating shaft 91 drives the left second gear 95 to rotate, the second gear 95 is in meshed connection with the first gear 93 and in meshed connection with the first gear 93, so that the right second gear 95 drives the right first rotating shaft 91 to positively rotate, the two first rotating shafts 91 respectively drive the corresponding rotors 92 to reversely rotate relatively, the air is pumped from the air inlet hose 12 through the pushing action of synchronous and reverse rotation of the rotors 92, the air is continuously rotated along with the continuous rotation of the rotors 92, the pumped gas is sucked into the air inlet space between the rotor 92 and the pump shell 8 from the air inlet hose 12, because the air inlet space is in a fully closed state after air suction, the air in the pump cavity is not compressed and expanded at the moment, but when the top of the rotor 92 rotates past the edge of the air outlet hose 10, the air inlet space is communicated with the air outlet side, the air inlet gas is pressed into the air outlet hose 10 to be discharged out of the device through mutual extrusion between the two rotors 92, so that vacuumizing operation is realized, the filter screen 11 can filter impurities in the air passing through the device, the impurities in the air can be prevented from obstructing the rotation of the rotor 92, the axial vibration generated by inertia force in the rotation process of the rotor 92 is vertically acted on the fixed plate 6 through the pump shell 8 and the support column 7, the rotation stability of the rotor 92 is improved through absorption by elastic contraction and relaxation of the spring 5 and sliding friction damping generated by the relative sliding of the telescopic end and the fixed end of the telescopic column 4, the sound absorbing cotton 13 can reduce the industrial noise generated in the working process of the device, and the radiating fins 14 assist the heat generated in the working process of the rotating motor 97 to transfer heat to the outside through a gas medium, so as to cool the inside of the device.
It should be noted that the rotary motor 97 disclosed in the above embodiment may employ Y90S-2, and the control switch 3 is provided with a control button corresponding to the rotary motor 97 for controlling the switch thereof.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. Roots single-stage claw combined vacuum pump, its characterized in that: comprises a shell (2) and a vacuumizing mechanism (9);
outer casing (2): the left end and the right end of the bottom wall of the air inlet hose are fixedly connected with the lower surface of a fixed plate (6) through symmetrically distributed telescopic columns (4), support columns (7) are symmetrically arranged on the upper surface of the fixed plate (6), a pump shell (8) is fixedly connected between the two support columns (7), an air inlet hose (12) is arranged at the upper end of the top wall of the pump shell (8) in a penetrating mode, a first round hole is formed in the upper end of the air inlet hose (12) in a penetrating mode through the top wall of the shell (2), an air outlet hose (10) is arranged at the bottom wall of the pump shell (8) in a penetrating mode, a second round hole is formed in the lower end of the air outlet hose (10) in a penetrating mode through the bottom wall of the shell (2), and supporting seats (1) are symmetrically arranged at four corners of the lower surface of the shell (2);
vacuumizing mechanism (9): the vacuum pump is arranged in the pump shell (8), and the lower end of the vacuum pumping mechanism (9) is fixedly connected with the upper surface of the fixed plate (6).
2. The roots single-stage claw compound vacuum pump of claim 1, wherein: the intelligent control device is characterized by further comprising a control switch (3), wherein the control switch (3) is arranged on the right side face of the shell (2), and the input end of the control switch (3) is electrically connected with an external power supply.
3. The roots single-stage claw compound vacuum pump of claim 2, wherein: the utility model provides a vacuum pumping mechanism (9) is including first pivot (91), rotor (92), first gear (93), second pivot (94), second gear (95), connecting seat (96) and rotation motor (97), connecting seat (96) set up in the upper surface left side of fixed plate (6), the rear surface of connecting seat (96) is equipped with rotation motor (97), the input and the output electricity of control switch (3) of rotation motor (97) are connected, the back wall left and right sides both ends of pump case (8) are connected with first pivot (91) of symmetric distribution through first bearing rotation, the front end of first pivot (91) all is equipped with rotor (92), rotor (92) and pump case (8) cooperation installation, the output shaft of rotation motor (97) and the rear end fixed connection of left first pivot (91), the rear end of pump case (8) all is equipped with second gear (95), the rear end of second pivot (94) all is equipped with first gear (93) and two adjacent gears (93) and two and first gear (93) are all connected with horizontal meshing.
4. The roots single-stage claw compound vacuum pump of claim 1, wherein: the middle parts of the inner walls of the air outlet hose (10) and the air inlet hose (12) are respectively provided with a filter screen (11).
5. The roots single-stage claw compound vacuum pump of claim 1, wherein: four symmetrically distributed springs (5) are arranged between the bottom wall of the shell (2) and the lower surface of the fixed plate (6), and the springs (5) are movably sleeved with the outer ends of the adjacent telescopic columns (4).
6. The roots single-stage claw compound vacuum pump of claim 1, wherein: the upper side and the lower side of the shell (2) are respectively provided with sound-absorbing cotton (13), and the inner walls of the sound-absorbing cotton (13) are respectively contacted with the outer side surfaces of the adjacent air inlet hose (12) and air outlet hose (10).
7. The roots single-stage claw compound vacuum pump of claim 1, wherein: the front wall and the rear wall of the shell (2) are respectively provided with radiating fins (14) which are uniformly distributed in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223535932.5U CN219529311U (en) | 2022-12-29 | 2022-12-29 | Roots single-stage claw composite vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223535932.5U CN219529311U (en) | 2022-12-29 | 2022-12-29 | Roots single-stage claw composite vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219529311U true CN219529311U (en) | 2023-08-15 |
Family
ID=87644267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223535932.5U Active CN219529311U (en) | 2022-12-29 | 2022-12-29 | Roots single-stage claw composite vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219529311U (en) |
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2022
- 2022-12-29 CN CN202223535932.5U patent/CN219529311U/en active Active
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