CN217055514U - Novel ultrahigh negative pressure two-stage series vacuum pump - Google Patents
Novel ultrahigh negative pressure two-stage series vacuum pump Download PDFInfo
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- CN217055514U CN217055514U CN202220885495.0U CN202220885495U CN217055514U CN 217055514 U CN217055514 U CN 217055514U CN 202220885495 U CN202220885495 U CN 202220885495U CN 217055514 U CN217055514 U CN 217055514U
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- negative pressure
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Abstract
The utility model provides a novel super high negative pressure second grade series vacuum pump relates to the environmental protection field. This novel super high negative pressure second grade series vacuum pump, including second grade series vacuum pump, second grade series vacuum pump air inlet outside fixedly connected with nozzle stub, nozzle stub one end fixedly connected with rubber tube, rubber tube one side is provided with the admission line. This novel super high negative pressure second grade series connection vacuum pump, avoid at the nozzle stub, the rubber tube, when the inside high-speed air current that flows of admission line caused the admission line vibration, with vibration resonance to second grade series connection vacuum pump on, noise abatement's appearance, and the air current is when the inside flow of admission line, contact with elasticity and surperficial unevenness's sponge cushion collar, avoid the air current to produce the wind response with the contact of admission line inner wall, and the admission line outside is equipped with through the arc mounting panel cover and inhales the sound cotton cover, absorb through inhaling the cotton cover of sound and block the inside sound propagation of admission line, reduce the noise that second grade series connection vacuum pump work produced.
Description
Technical Field
The utility model relates to a vacuum pump specifically is a novel super high negative pressure second grade series vacuum pump, belongs to the environmental protection technology field.
Background
In the coal conveying section of factories such as coal washing factories and the like, a large amount of coal ash or coal dust is scattered everywhere in the process of conveying coal by a belt conveyor, and at present, all factories are washed by water to collect the coal ash and the coal dust.
In order to increase the collection efficiency of dust collection equipment on coal ash and coal dust, some manufacturers can use a special large water-cooled vacuum pump for a two-stage series carrier rocket, suck various materials into a material tank by using large flow speed and high vacuum suction generated during high-speed rotation, separate the materials by using an in-device gas-object separation system, automatically send the separated materials into a coal ash bin by using a pneumatic ash conveying device, and discharge the rest gas from a water bath device by using a vacuum pump, thereby realizing the whole collection process of the coal ash and coal dust; however, when the two-stage vacuum pump in series works, the airflow speed mixed with coal ash and coal dust in the air inlet pipeline is very high, and large noise is generated between the airflow speed and the pipeline, so that certain noise pollution is caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a novel super high negative pressure second grade series connection vacuum pump just for solving above-mentioned problem to solve among the prior art inside the air intake duct the airflow velocity of mixing the coal ash buggy extremely fast, and can produce great sound between the pipeline, cause certain noise pollution's problem.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel super high negative pressure second grade series vacuum pump, includes second grade series vacuum pump, second grade series vacuum pump air inlet outside fixedly connected with nozzle stub, nozzle stub one end fixedly connected with rubber tube, rubber tube one side is provided with the admission line, the inside fixedly connected with sponge cushion collar of admission line, the admission line both sides all are provided with the arc mounting panel, the cotton cover of sound absorption is inhaled to arc mounting panel outside fixedly connected with, two the cotton cover of sound absorption one side of keeping away from the admission line all is provided with spacing riser.
Preferably, an installation groove is opened on one side of the rubber tube, and the air inlet pipeline and one end of the sponge buffer sleeve extend to the inside of the installation groove and are in contact with the rubber tube.
Preferably, a plurality of installation thread grooves have all been seted up in the admission line outside and the rubber tube outside, the inside installation screw rod that is provided with of installation thread groove that the rubber tube was seted up, the installation screw rod extend to the installation thread groove that the admission line was seted up inside and with rubber tube and admission line threaded connection, make the installation screw rod leave the installation thread groove that rubber tube and admission line were seted up inside, can make the admission line lose fixedly, can change the admission line fast, change the inside sponge cushion collar that is polluted by coal ash of admission line.
Preferably, two inhale the sound cotton cover respectively with two spacing risers between fixedly connected with reset spring, second grade series connection vacuum pump bottom fixedly connected with installation base, reset spring fixed connection installs reset spring at installation base top between inhaling the sound cotton cover and the spacing riser, loses the fixed cotton cover of inhaling the sound and is pulled by reset spring, makes the inside fixed arc mounting panel of inhaling the sound cotton cover leave the admission line outside.
Preferably, installation base top fixedly connected with arc, the arc sets up in two and inhales cotton cover bottoms of sound and contacts with inhaling the cotton cover of sound, inhales the cotton cover bottom of sound and installs the arc, supports inhaling the cotton cover of sound through the arc, guarantees to inhale the stability that the cotton cover of sound removed.
Preferably, two inhale the equal fixedly connected with riser in cotton cover top of sound, two thread groove, one have all been seted up to riser one side is provided with clamping screw, and rotatory clamping screw makes clamping screw break away from the riser, can make the riser lose fixedly, makes the fixed cotton cover of inhaling of riser lose fixedly.
Preferably, two inhale the cotton cover of sound and all seted up the spacing groove bottom the arc mounting panel, four be provided with the locating piece between the spacing groove, locating piece fixed connection is in the admission line bottom.
The utility model provides a novel super high negative pressure second grade series connection vacuum pump, its beneficial effect who possesses as follows:
1. the novel ultrahigh negative pressure two-stage series vacuum pump comprises an air inlet pipe of the two-stage series vacuum pump formed by a short pipe, a rubber pipe and an air inlet pipeline, through the matching of the short pipe, the rubber pipe and the air inlet pipeline, the vibration resonance to the secondary series vacuum pump is avoided when the air inlet pipeline vibrates due to the high-speed flowing air flow in the short pipe, the rubber pipe and the air inlet pipeline, the noise is reduced, and when the air current flows in the air inlet pipeline, the air current is contacted with the elastic sponge buffer sleeve with uneven surface, thereby avoiding the air current from contacting the inner wall of the air inlet pipeline to generate wind noise, and the admission line outside is equipped with through the arc mounting panel cover and inhales the cotton cover of sound, absorbs through inhaling the cotton cover of sound and blocks the inside sound propagation of admission line, reduces the noise that second grade series connection vacuum pump work produced, guarantees that second grade series connection vacuum pump uses and accords with the environmental protection theory, guarantees the practicality of second grade series connection vacuum pump.
2. This novel super high negative pressure second grade series connection vacuum pump, make the fixed locating block of admission line remove two and inhale between the sound cotton cover, promote the admission line inside the mounting groove afterwards, rotatory installation screw rod makes the installation screw rod and then inside the installation thread groove, can accomplish the fixed of admission line, hold two afterwards and inhale the sound cotton cover, make and inhale the inside arc mounting panel of sound cotton cover and laminate the admission line outside, it is inside to rotate the thread groove that the riser was seted up with fixing screw rod, can accomplish the installation of inhaling sound cotton cover and admission line, can be in the same place with inhaling sound cotton cover and admission line installation fast, guarantee the efficiency that admission line and sponge cushion collar changed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the positioning block of the present invention;
FIG. 3 is a schematic view of the structure of the air inlet duct of the present invention;
fig. 4 is a schematic structural diagram of the rubber tube of the present invention.
In the figure: 1. a secondary series vacuum pump; 2. a short pipe; 3. a rubber tube; 4. an air intake duct; 5. a sponge cushion sleeve; 6. an arc-shaped mounting plate; 7. a sound-absorbing cotton sleeve; 8. a vertical plate; 9. fixing the screw rod; 10. mounting grooves; 11. installing a thread groove; 12. installing a screw rod; 13. a vertical limiting plate; 14. a return spring; 15. an arc-shaped plate; 16. a limiting groove; 17. positioning blocks; 18. and (5) installing a base.
Detailed Description
The embodiment of the utility model provides a novel super high negative pressure second grade series connection vacuum pump.
Referring to fig. 1, 2, 3 and 4, the device comprises a two-stage series vacuum pump 1, a short pipe 2 is fixedly connected to the outer side of an air inlet of the two-stage series vacuum pump 1, a rubber pipe 3 is fixedly connected to one end of the short pipe 2, an installation groove 10 is formed in one side of the rubber pipe 3, one ends of an air inlet pipeline 4 and a sponge buffer sleeve 5 extend into the installation groove 10 and contact with the rubber pipe 3, an air inlet pipeline 4 is arranged on one side of the rubber pipe 3, the sponge buffer sleeve 5 is fixedly connected to the inner side of the air inlet pipeline 4, a plurality of installation thread grooves 11 are formed in the outer side of the air inlet pipeline 4 and the outer side of the rubber pipe 3, an installation screw 12 is arranged in the installation thread groove 11 formed in the rubber pipe 3, the installation screw 12 extends into the installation thread groove 11 formed in the air inlet pipeline 4 and is in threaded connection with the rubber pipe 3 and the air inlet pipeline 4, arc-shaped installation plates 6 are arranged on both sides of the air inlet pipeline 4, a sound-absorbing cotton sleeve 7 is fixedly connected to the outer side of the arc-shaped installation plate 6, two inhale cotton cover 7 and keep away from one side of admission line 4 and all be provided with spacing riser 13.
Specifically, a rubber tube 3 is installed on one side of a secondary series vacuum pump 1 through a short tube 2, an air inlet pipeline 4 is installed with the short tube 2 through the rubber tube 3, an air inlet pipe of the secondary series vacuum pump 1 is formed by the short tube 2, the rubber tube 3 and the air inlet pipeline 4, when the short tube 2, the rubber tube 3 and the air inlet pipeline 4 are matched, the air flow flowing at high speed inside the short tube 2, the rubber tube 3 and the air inlet pipeline 4 is prevented from causing vibration of the air inlet pipeline 4, the vibration resonates on the secondary series vacuum pump 1, the occurrence of noise is reduced, when the air flow flows inside the air inlet pipeline 4, the air flow is in contact with a sponge buffer sleeve 5 which is elastic and has an uneven surface, the air flow is prevented from being in contact with the inner wall of the air inlet pipeline 4 to generate wind noise, an acoustic absorption cotton sleeve 7 is sleeved outside the air inlet pipeline 4 through an arc mounting plate 6, and the sound transmission inside the air inlet pipeline 4 is prevented through the absorption cotton sleeve 7, the noise generated by the work of the secondary series vacuum pump 1 is reduced, the use of the secondary series vacuum pump 1 is ensured to accord with the environmental protection idea, and the practicability of the secondary series vacuum pump 1 is ensured;
Please refer to fig. 1 again, fig. 2 and fig. 4, two inhale sound cotton cover 7 respectively with two spacing risers between fixedly connected with reset spring 14, 1 bottom fixedly connected with installation base 18 of second grade series vacuum pump, reset spring 14 fixed connection is in installation base 18 top, installation base 18 top fixedly connected with arc 15, arc 15 sets up in two inhale sound cotton cover 7 bottoms and with inhale sound cotton cover 7 and contact, two inhale the equal fixedly connected with riser 8 in sound cotton cover 7 tops, threaded groove has all been seted up to two riser 8 one sides, a riser 8 one side is provided with clamping screw 9, spacing groove 16 has all been seted up to two inhale sound cotton cover 7 and arc mounting panel 6 bottoms, be provided with locating piece 17 between four spacing grooves 16, locating piece 17 fixed connection is in admission line 4 bottoms.
Specifically, the fixing screw 9 is rotated to separate the fixing screw 9 from the vertical plate 8, so that the vertical plate 8 is not fixed, the sound absorption cotton sleeve 7 fixed by the vertical plate 8 is not fixed, the return spring 14 is arranged between the sound absorption cotton sleeve 7 and the limiting vertical plate 13, the sound absorption cotton sleeve 7 which is not fixed is pulled by the return spring 14, the arc-shaped plate 15 is arranged at the bottom of the sound absorption cotton sleeve 7, the sound absorption cotton sleeve 7 is supported by the arc-shaped plate 15, the sound absorption cotton sleeve 7 is ensured to move stably, the arc-shaped mounting plate 6 fixed in the sound absorption cotton sleeve 7 is separated from the outer side of the air inlet pipeline 4, then the mounting screw 12 is rotated to remove the fixation of the rubber pipe 3 and the air inlet pipeline 4, so that the air inlet pipeline 4 can be pulled, the air inlet pipeline 4 is pulled out from the inside of the mounting groove 10 formed in the rubber pipe 3, and the disassembly of the air inlet pipeline 4 is completed;
when installing inlet duct 4, make the fixed locating piece 17 of inlet duct 4 remove to two and inhale between the cotton cover 7 of sound, promote inlet duct 4 afterwards inside mounting groove 10, rotatory installation screw 12 makes installation screw 12 and then inside installation thread groove 11, can accomplish the fixed of inlet duct 4, hold two afterwards and inhale cotton covers 7 of sound, make and inhale the inside arc mounting panel 6 of sound cotton cover 7 and laminate the inlet duct 4 outside, arc mounting panel 6 of seting up spacing groove 16 and inhale cotton cover 7 of sound, can not blockked by locating piece 17, rotate the thread inslot portion that riser 8 was seted up with clamping screw 9, can accomplish and inhale the installation of sound cotton cover 7 and inlet duct 4, can will inhale sound cotton cover 7 and inlet duct 4 installation together fast, guarantee the efficiency that inlet duct 4 and sponge cushion collar 5 change.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a novel super high negative pressure second grade series connection vacuum pump, includes second grade series connection vacuum pump (1), its characterized in that: second grade series connection vacuum pump (1) air inlet outside fixedly connected with nozzle stub (2), nozzle stub (2) one end fixedly connected with rubber tube (3), rubber tube (3) one side is provided with admission line (4), the inside fixedly connected with sponge cushion collar (5) of admission line (4), admission line (4) both sides all are provided with arc mounting panel (6), arc mounting panel (6) outside fixedly connected with inhales sound cotton cover (7), two inhale the sound cotton cover (7) one side of keeping away from admission line (4) of cotton cover (7) of sound all is provided with spacing riser (13).
2. The novel ultrahigh negative pressure two-stage series vacuum pump of claim 1, characterized in that: rubber tube (3) one side has been seted up mounting groove (10), admission line (4) and sponge cushion collar (5) one end extend to inside the mounting groove (10) and contact with rubber tube (3).
3. The novel ultrahigh negative pressure two-stage series vacuum pump as claimed in claim 1, characterized in that: a plurality of mounting thread grooves (11) are formed in the outer side of the air inlet pipeline (4) and the outer side of the rubber pipe (3), mounting screws (12) are arranged inside the mounting thread grooves (11) formed in the rubber pipe (3), and the mounting screws (12) extend into the mounting thread grooves (11) formed in the air inlet pipeline (4) and are in threaded connection with the rubber pipe (3) and the air inlet pipeline (4).
4. The novel ultrahigh negative pressure two-stage series vacuum pump of claim 1, characterized in that: two inhale sound cotton cover (7) respectively with two spacing riser (13) between fixedly connected with reset spring (14), second grade series vacuum pump (1) bottom fixedly connected with installation base (18), reset spring (14) fixed connection is in installation base (18) top.
5. The novel ultrahigh negative pressure two-stage series vacuum pump of claim 4, characterized in that: installation base (18) top fixedly connected with arc (15), arc (15) set up in two and inhale cotton cover (7) bottoms of sound and contact with inhaling cotton cover (7) of sound.
6. The novel ultrahigh negative pressure two-stage series vacuum pump as claimed in claim 1, characterized in that: two inhale cotton cover (7) top equal fixedly connected with riser (8), two the thread groove has all been seted up to riser (8) one side is provided with clamping screw (9).
7. The novel ultrahigh negative pressure two-stage series vacuum pump of claim 1, characterized in that: two spacing groove (16), four have all been seted up to sound absorption cotton cover (7) and arc mounting panel (6) bottom be provided with locating piece (17) between spacing groove (16), locating piece (17) fixed connection is in admission line (4) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220885495.0U CN217055514U (en) | 2022-04-18 | 2022-04-18 | Novel ultrahigh negative pressure two-stage series vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220885495.0U CN217055514U (en) | 2022-04-18 | 2022-04-18 | Novel ultrahigh negative pressure two-stage series vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217055514U true CN217055514U (en) | 2022-07-26 |
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ID=82473450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220885495.0U Active CN217055514U (en) | 2022-04-18 | 2022-04-18 | Novel ultrahigh negative pressure two-stage series vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217055514U (en) |
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2022
- 2022-04-18 CN CN202220885495.0U patent/CN217055514U/en active Active
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