CN216642377U - Oil-free vacuum pump convenient to install - Google Patents
Oil-free vacuum pump convenient to install Download PDFInfo
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- CN216642377U CN216642377U CN202120758042.7U CN202120758042U CN216642377U CN 216642377 U CN216642377 U CN 216642377U CN 202120758042 U CN202120758042 U CN 202120758042U CN 216642377 U CN216642377 U CN 216642377U
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Abstract
The utility model discloses an oil-free vacuum pump convenient to install, which comprises a motor, wherein an eccentric wheel is installed outside the motor, and the motor is fixedly connected with the eccentric wheel; and the connecting rod piston is rotatably connected to the outer part of the eccentric wheel, and the outer surface of the connecting rod piston is tightly attached to the inner surface of the pump shell. This oil-free vacuum pump convenient to installation, compare with current ordinary oil-free vacuum pump, take over and insert in the blast pipe, the pin rod is popped into the downthehole of taking over, take over and blast pipe erection joint, when dismantling the takeover, pull up the pin rod can, it is comparatively convenient to make this oil-free vacuum pump's the mode of installation dismantlement, and it is very firm after the erection joint, avoid the condition that the pine takes off can appear in this oil-free vacuum pump long-time use, the both ends of attenuator are fixed with base and motor respectively, the attenuator is used for absorbing the shake that produces when the motor operation, twist and move the stroke that hexagon nut changed spring one, the soft or hard degree to the attenuator is adjusted.
Description
Technical Field
The utility model relates to the technical field of vacuum pumps, in particular to an oil-free vacuum pump convenient to install.
Background
A vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by a mechanical, physical, chemical or physicochemical method, and in popular terms, a vacuum pump is a device for improving, generating and maintaining vacuum in a certain closed space by various methods, and an oil-free vacuum pump is a mechanical vacuum pump which can operate without any oil lubrication.
The mode that current oil-free vacuum pump installation was taken over mostly adopts threaded connection, wastes time and energy during the installation, still need install with the help of the instrument, and long-time use can produce not hard up, influences its performance, can not be fine satisfies people's user demand, to above-mentioned condition, carries out technical innovation on current oil-free vacuum pump basis.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil-free vacuum pump convenient to mount, and aims to solve the problems that the common mode of mounting a connecting pipe of the oil-free vacuum pump in the background art mostly adopts threaded connection, the mounting is time-consuming and labor-consuming, the mounting is carried out by means of tools, the use performance is affected due to the fact that the connecting pipe is loosened after long-time use, and the use requirement of people cannot be well met.
In order to achieve the purpose, the utility model provides the following technical scheme: an oil-free vacuum pump convenient to mount comprises a motor and an air inlet pipe, wherein an eccentric wheel is mounted outside the motor, and the motor is fixedly connected with the eccentric wheel;
the connecting rod piston is rotatably connected to the outer part of the eccentric wheel, and the outer surface of the connecting rod piston is tightly attached to the inner surface of the pump shell;
the exhaust pipe is vertically fixed outside the pump shell, and a welding integrated structure is formed between the exhaust pipe and the pump shell;
the blast pipe still is equipped with:
the pin bush is fixed in the exhaust pipe, and the pin bush is symmetrically distributed along the central axis of the exhaust pipe.
The pin bush still is equipped with:
the pin spring is arranged outside the pin sleeve, a pin rod is arranged on the inner wall of the pin sleeve, and the pin rod and the pin sleeve form an elastic structure through the pin spring;
a nipple mounted on an exterior of the exhaust pipe.
Preferably, the motor is further provided with:
the damper is fixed below the motor, a first spring and a hexagon nut are sequentially arranged on the outer side of the damper from top to bottom, and the damper is in threaded connection with the hexagon nut.
Preferably, the damper is further provided with:
the base is fixed below the damper, and the damper is symmetrically distributed along the central axis of the base.
Preferably, the intake pipe is further provided with:
the filter shell is fixed above the air inlet pipe, and the inner wall of the filter shell is sequentially provided with a metal filter screen, chemical fiber non-woven filter cloth and an active carbon filter plate from top to bottom.
Compared with the prior art, the utility model has the beneficial effects that: the oil-free vacuum pump can absorb shock during operation, meet different working conditions and absorb shock, reduce parts participating in shock, is convenient to mount and dismount, is very firm after mounting and connection, prevents moisture from entering the oil-free vacuum pump, and removes fine impurities and peculiar smell in air;
1. according to the utility model, through the arrangement of the base, the damper, the first spring and the hexagon nut, two ends of the damper are respectively fixed with the base and the motor, the damper is used for absorbing shake generated when the motor operates, the first spring is additionally arranged outside the damper, the damper and the hexagon nut form an elastic structure, and the hexagon nut is screwed to change the stroke of the first spring, so that the hardness of the damper is adjusted, different working conditions can be met, shock absorption can be realized, parts participating in shock are reduced, and loosening caused by shock between connecting pieces is prevented;
2. according to the oil-free vacuum pump, the exhaust pipe, the pin sleeve, the pin spring, the pin rod and the connecting pipe are arranged, the connecting pipe is inserted into the exhaust pipe, the pin rod bounces into the hole of the connecting pipe, the connecting pipe is connected with the exhaust pipe in an installing mode, and when the connecting pipe is disassembled, the pin rod is pulled up, so that the oil-free vacuum pump is convenient and fast in installing and disassembling mode, and is very firm after being installed and connected, and the situation that the oil-free vacuum pump is loosened after being used for a long time is avoided;
3. according to the utility model, through the arrangement of the air inlet pipe, the filter shell, the metal filter screen, the chemical fiber non-woven filter cloth and the activated carbon filter plate, water drops suspended in air are adsorbed after encountering the metal filter screen, the water drops fall to the bottom of the air inlet pipe due to the action of gravity after being enlarged to a certain degree, the air inlet pipe collects water at the bottom in an S shape, the remaining air enters the pump shell through the air inlet pipe, so that moisture is prevented from entering the oil-free vacuum pump, the metal filter screen can also primarily filter impurities in the air, the chemical fiber non-woven filter cloth secondarily filters the impurities in the air, and finally the activated carbon filter plate filters the impurities and peculiar smell in the air, so that fine impurities and peculiar smell in the air are removed, clean air enters the oil-free vacuum pump, and the service life of the oil-free vacuum pump is effectively prolonged.
Drawings
FIG. 1 is a schematic right-view partial sectional structural view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
FIG. 5 is a perspective view of the exhaust pipe according to the present invention.
In the figure: 1. a base; 2. a damper; 3. a first spring; 4. a hexagonal nut; 5. a motor; 6. an eccentric wheel; 7. a connecting rod piston; 8. a pump housing; 9. an exhaust pipe; 10. an air inlet pipe; 11. a pin bush; 12. a pin spring; 13. a pin rod; 14. taking over a pipe; 15. a filter shell; 16. a metal screen; 17. chemical fiber non-woven filter cloth; 18. an active carbon filter plate.
Detailed Description
Referring to fig. 1-5, the present invention provides a technical solution: an oil-free vacuum pump convenient to install comprises a motor 5 and an air inlet pipe 10, wherein an eccentric wheel 6 is installed outside the motor 5, and the motor 5 is fixedly connected with the eccentric wheel 6;
the motor 5 is further provided with:
the damper 2 is fixed below the motor 5, a spring I3 and a hexagon nut 4 are sequentially arranged on the outer side of the damper 2 from top to bottom, and the damper 2 is in threaded connection with the hexagon nut 4;
the damper 2 is further provided with:
the base 1 is fixed below the damper 2, and the damper 2 is symmetrically distributed along the central axis of the base 1;
through the arrangement of the base 1, the damper 2, the first spring 3 and the hexagon nut 4, two ends of the damper 2 are respectively fixed with the base 1 and the motor 5, the damper 2 is used for absorbing shake generated when the motor 5 operates, the first spring 3 is additionally arranged outside the damper 2, the damper 2 and the hexagon nut 4 form an elastic structure through the first spring 3, and the hexagon nut 4 is screwed to change the stroke of the first spring 3, so that the hardness of the damper 2 is adjusted, shock absorption under different working conditions can be met, parts participating in shock are reduced, and loosening caused by shock between connecting pieces is prevented;
a connecting rod piston 7 which is rotatably connected to the outside of the eccentric wheel 6, and the outer surface of the connecting rod piston 7 is closely attached to the inner surface of the pump housing 8;
the exhaust pipe 9 is vertically fixed outside the pump shell 8, and a welding integrated structure is formed between the exhaust pipe 9 and the pump shell 8;
the exhaust pipe 9 is further provided with:
the pin sleeves 11 are fixed inside the exhaust pipe 9, and the pin sleeves 11 are symmetrically distributed along the central axis of the exhaust pipe 9;
the pin bush 11 is further provided with:
the pin spring 12 is arranged outside the pin sleeve 11, a pin rod 13 is installed on the inner wall of the pin sleeve 11, and the pin rod 13 and the pin sleeve 11 form an elastic structure through the pin spring 12;
a nipple 14 mounted on the outside of the exhaust pipe 9;
the intake pipe 10 is further provided with:
through the arrangement of the exhaust pipe 9, the pin sleeve 11, the pin spring 12, the pin rod 13 and the connecting pipe 14, the connecting pipe 14 is inserted into the exhaust pipe 9, the pin rod 13 is bounced into a hole of the connecting pipe 14, the connecting pipe 14 is installed and connected with the exhaust pipe 9, and when the connecting pipe 14 is disassembled, the pin rod 13 is pulled up, so that the installation and disassembly modes of the oil-free vacuum pump are convenient, the installation and the connection are very firm, and the situation that the oil-free vacuum pump is loosened after being used for a long time is avoided;
the filter shell 15 is fixed above the air inlet pipe 10, and the inner wall of the filter shell 15 is sequentially provided with a metal filter screen 16, chemical fiber non-woven filter cloth 17 and an active carbon filter plate 18 from top to bottom;
through intake pipe 10, filter shell 15, metal filter screen 16, chemical fibre non-woven fabrics 17 and the setting of active carbon filter plate 18, the water droplet of suspension is adsorbed after meetting metal filter screen 16 in the air, the water droplet is big after to a certain extent, because the action of gravity falls intake pipe 10 bottom, intake pipe 10 is the S-shaped and collects water in the bottom, remaining gas passes through intake pipe 10 and gets into in the pump case 8, avoid moisture to get into in this oil-free vacuum pump, metal filter screen 16 still can be with the impurity prefilter in the air, chemical fibre non-woven fabrics 17 is again with the impurity secondary filter in the air, at last filtered by active carbon filter plate 18, detach slight impurity and peculiar smell in the air, clean air gets into this oil-free vacuum pump, this oil-free vacuum pump' S life has effectively been prolonged.
The working principle is as follows: when the oil-free vacuum pump convenient to install is used, firstly, as shown in figure 1, a connecting rod piston 7 is pressed together with an eccentric wheel 6 through a bearing, a motor 5 drives the eccentric wheel 6 to rotate, two ends of a damper 2 are respectively fixed with a base 1 and the motor 5, the damper 2 is used for absorbing shake generated when the motor 5 operates, a spring I3 is additionally arranged outside the damper 2, the damper 2 and a hexagon nut 4 form an elastic structure through the spring I3, the hexagon nut 4 is screwed to change the stroke of the spring I3 so as to adjust the hardness of the damper 2, then the connecting rod piston 7 reciprocates in a pump shell 8, an air inlet valve in the pump shell 8 is opened and an air outlet valve is closed when air is sucked, otherwise, the air is filtered by a metal filter screen 16 before entering the pump shell 8, water drops suspended in the air are adsorbed after encountering the metal filter screen 16, and the water drops are large to a certain degree, because the action of gravity falls to intake pipe 10 bottom, intake pipe 10 is the S-shaped and collects water in the bottom, remaining gas passes through intake pipe 10 and gets into in the pump case 8, metal screen 16 still can be with the impurity prefilter in the air, chemical fibre non-woven filter cloth 17 is again with the impurity secondary filter in the air, at last by active carbon filter plate 18 filtration, detach tiny impurity and peculiar smell in the air, takeover 14 inserts in blast pipe 9, pin pole 13 springs into the downthehole of takeover 14, takeover 14 and blast pipe 9 erection joint, when dismantling takeover 14, it can to pull up pin pole 13, make this oil-free vacuum pump' S the mode of installation dismantlement comparatively convenient, this is the theory of operation of this oil-free vacuum pump convenient to install.
Claims (4)
1. An oil-free vacuum pump convenient to mount is characterized by comprising a motor and an air inlet pipe, wherein an eccentric wheel is mounted outside the motor, and the motor is fixedly connected with the eccentric wheel;
the connecting rod piston is rotatably connected to the outer part of the eccentric wheel, and the outer surface of the connecting rod piston is tightly attached to the inner surface of the pump shell;
the exhaust pipe is vertically fixed outside the pump shell, and a welding integrated structure is formed between the exhaust pipe and the pump shell;
the blast pipe still is equipped with:
the pin sleeves are fixed inside the exhaust pipe and are symmetrically distributed along the central axis of the exhaust pipe;
the pin bush still is equipped with:
the pin spring is arranged outside the pin sleeve, a pin rod is arranged on the inner wall of the pin sleeve, and the pin rod and the pin sleeve form an elastic structure through the pin spring;
a nipple mounted on an exterior of the exhaust pipe.
2. An oil-free vacuum pump as claimed in claim 1, wherein the motor is further provided with:
the damper is fixed below the motor, a first spring and a hexagonal nut are sequentially arranged on the outer side of the damper from top to bottom, and the damper is in threaded connection with the hexagonal nut.
3. An oil-free vacuum pump as claimed in claim 2, wherein the damper is further provided with:
the base is fixed below the damper, and the damper is symmetrically distributed along the central axis of the base.
4. An oil-free vacuum pump convenient to install as claimed in claim 1, wherein the air inlet pipe is further provided with:
the filter shell is fixed above the air inlet pipe, and the inner wall of the filter shell is sequentially provided with a metal filter screen, chemical fiber non-woven filter cloth and an active carbon filter plate from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120758042.7U CN216642377U (en) | 2021-04-14 | 2021-04-14 | Oil-free vacuum pump convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120758042.7U CN216642377U (en) | 2021-04-14 | 2021-04-14 | Oil-free vacuum pump convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216642377U true CN216642377U (en) | 2022-05-31 |
Family
ID=81722630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120758042.7U Active CN216642377U (en) | 2021-04-14 | 2021-04-14 | Oil-free vacuum pump convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216642377U (en) |
-
2021
- 2021-04-14 CN CN202120758042.7U patent/CN216642377U/en active Active
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