CN213870178U

CN213870178U - Small negative pressure vacuum machine

Info

Publication number: CN213870178U
Application number: CN202022739307.7U
Authority: CN
Inventors: 邹智厚; 贺晓庆
Original assignee: Wuxi Fortune Technology Co ltd
Current assignee: Wuxi Fortune Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-03
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a small-size negative pressure vacuum machine, which comprises a body, top one side of body is equipped with the motor, the drive end fixedly connected with pivot of motor, the first bevel gear of one end fixedly connected with of motor is kept away from in the pivot, first bevel gear's the equal meshing in surface both sides is connected with second bevel gear, two the equal fixedly connected with transmission shaft in one side that first bevel gear was kept away from to second bevel gear, two the transmission shaft is kept away from the equal fixedly connected with third bevel gear of one end of second bevel gear. The utility model discloses, through mutually supporting between screw rod, thread bush, stop collar, first bevel gear, second bevel gear, transmission shaft, third bevel gear, fourth bevel gear, scraper blade, brush, pivot and the motor that set up, can clean small-size negative pressure vacuum machine inner filter screen automatically, need not often to dismantle the clearance, very convenient, can also guarantee that small-size negative pressure vacuum machine operates for a long time, very practicality.

Description

Small negative pressure vacuum machine

Technical Field

The utility model relates to a negative pressure vacuum machine field especially relates to a small-size negative pressure vacuum machine.

Background

The negative pressure vacuum machine refers to a miniature vacuum machine. Because the vacuum pump is provided with one inlet and one outlet suction nozzle and one exhaust nozzle respectively, vacuum or negative pressure (relative vacuum) can be continuously formed at the inlet, and slight positive pressure is formed at the exhaust nozzle. Just because the negative pressure is formed at the inlet, the miniature vacuum machine is called a small-sized negative pressure machine, and the simple working principle is as follows: the circular motion of the motor, make the diaphragm inside the pump make reciprocating motion through the mechanical device, thus compress, stretch the air in the pump chamber and form the negative pressure, produce the pressure difference with the external atmospheric pressure at the air exhaust port, under the influence of pressure difference, suck the gas into the pump chamber, discharge from the exhaust outlet;

at present, small-size negative pressure vacuum machine all adds and is equipped with the filter screen, to the gaseous filtration of outside, avoids absorbing the pump chamber with the impurity that contains in the outside air inside, can effectively prolong the life of pump, but the filter screen needs frequent clearance, otherwise will influence negative pressure vacuum machine's use, and the filter screen need be dismantled with the filter screen at present to clear up, installs again after the clearance is accomplished, very inconvenient, when needs long-time operation, still need shut down the clearance, influence the use of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a small negative pressure vacuum machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a small negative pressure vacuum machine comprises a body, wherein a motor is arranged on one side of the top of the body, a rotating shaft is fixedly connected to the driving end of the motor, a first bevel gear is fixedly connected to one end, away from the motor, of the rotating shaft, second bevel gears are respectively meshed and connected to two sides of the outer surface of the first bevel gear, transmission shafts are respectively fixedly connected to one sides, away from the first bevel gear, of the two second bevel gears, a third bevel gear is fixedly connected to one ends, away from the second bevel gears, of the two transmission shafts, a fourth bevel gear is respectively meshed and connected to the bottom sides of the two third bevel gears, screw rods are respectively and fixedly connected to the bottoms of the two fourth bevel gears and vertically penetrate through the top of the body to extend into the interior of the body, the two screw rods are respectively and rotatably connected to the interior of the body, thread sleeves are respectively connected to the outer surfaces of the two screw rods and are positioned in the interior of the body, two the common fixedly connected with scraper blade of adjacent one side of thread bush, surface one side fixedly connected with brush of scraper blade, one side that the inside of body is close to the brush is equipped with the filter screen, one side that the filter screen is close to the brush is equipped with the dust collecting cabinet, and the interior bottom that the dust collecting cabinet runs through the body perpendicularly extends to the bottom.

Further, the top of body fixedly connected with shell, and motor, first bevel gear, second bevel gear, third bevel gear, fourth bevel gear and transmission shaft all are located the inside of shell.

Furthermore, a cabinet door is arranged on one side of the outer surface of the dust collecting cabinet, and a handle is fixedly connected to one side of the outer surface of the cabinet door through a screw.

Furthermore, the outer surface of the two transmission shafts is rotatably connected with a limiting sleeve, and the bottom of the limiting sleeve is fixedly connected with a fixing rod.

Furthermore, two both sides of stop collar all are equipped with the stopper, and fixed connection between stopper and the transmission shaft.

Furthermore, a controller is arranged on one side, close to the motor, of the interior of the shell, the controller is electrically connected with the motor, and anticorrosive coatings are coated on the outer surfaces of the shell, the body and the dust collection cabinet.

The utility model has the advantages that:

the utility model discloses can clean the interior filter screen of small-size negative pressure vacuum machine automatically, need not often to dismantle the clearance, it is very convenient, can also guarantee the long-time operation of small-size negative pressure vacuum machine to can regularly clear up the dust collecting cabinet, keep the inside of small-size negative pressure vacuum machine clean.

Drawings

Fig. 1 is a schematic view of the overall structure of a small-sized negative pressure vacuum machine provided by the present invention;

FIG. 2 is a schematic side view of a small vacuum apparatus according to the present invention;

fig. 3 is a side view of a small vacuum machine according to the present invention.

Illustration of the drawings:

1. a body; 2. a screw; 3. a threaded sleeve; 4. a limiting sleeve; 5. a housing; 6. a first bevel gear; 7. a second bevel gear; 8. a drive shaft; 9. fixing the rod; 10. a third bevel gear; 11. a fourth bevel gear; 12. a squeegee; 13. a brush; 14. a dust collecting cabinet; 15. filtering with a screen; 16. a rotating shaft; 17. a motor; 18. a cabinet door; 19. a handle; 20. a limiting block; 21. and a controller.

Detailed Description

Referring to fig. 1-3, the present invention provides an embodiment: a small-sized negative pressure vacuum machine comprises a body 1, wherein one side of the top of the body 1 is provided with a motor 17, the driving end of the motor 17 is fixedly connected with a rotating shaft 16, one end of the rotating shaft 16, far away from the motor 17, is fixedly connected with a first bevel gear 6, two sides of the outer surface of the first bevel gear 6 are respectively engaged and connected with a second bevel gear 7, one sides of the two second bevel gears 7, far away from the first bevel gear 6, are respectively fixedly connected with a transmission shaft 8, one ends of the two transmission shafts 8, far away from the second bevel gear 7, are respectively fixedly connected with a third bevel gear 10, the bottom sides of the two third bevel gears 10 are respectively engaged and connected with a fourth bevel gear 11, the bottoms of the two fourth bevel gears 11 are respectively fixedly connected with a screw rod 2, the screw rods 2 vertically penetrate through the top of the body 1 and extend to the inside, the two screw rods 2 are respectively rotatably connected with the inner bottom of the body 1, the outer surfaces of the two screw rods 2 are respectively in threaded connection with a threaded sleeve 3, and the thread bush 3 is located the inside of body 1, the common fixedly connected with scraper blade 12 of adjacent one side of two thread bushes 3, the outer surface one side fixedly connected with brush 13 of scraper blade 12, the inside of body 1 is close to one side of brush 13 and is equipped with filter screen 15, and one side that filter screen 15 is close to brush 13 is equipped with dust collecting cabinet 14, and dust collecting cabinet 14 runs through the interior bottom of body 1 perpendicularly and extends to the bottom.

When the filter screen 15 needs to be cleaned, firstly, the motor 17 is started through the controller 21, the motor 17 drives the rotating shaft 16 to rotate, so as to drive the first bevel gear 6 to rotate, the first bevel gear 6 drives the second bevel gear 7 to rotate, so as to drive the third bevel gear 10 to rotate through the transmission shaft 8, the third bevel gear 10 drives the fourth bevel gear 11 to rotate, so as to drive the screw rod 2 to rotate, the threaded sleeve 3 starts to move downwards, the scraper 12 and the brush 13 are driven through the threaded sleeve 3 to clean the filter screen 15, cleaned dust falls into the dust collection cabinet 14, the cabinet door 18 can be opened through the handle 19 periodically, and the dust in the dust collection cabinet 14 is cleaned.

In a further scheme, the top of the body 1 is fixedly connected with the shell 5, and the motor 17, the first bevel gear 6, the second bevel gear 7, the third bevel gear 10, the fourth bevel gear 11 and the transmission shaft 8 are all located inside the shell 5, so that each part inside the shell 5 can be protected, and the damage caused by the external environment can be effectively avoided.

In a further scheme, a cabinet door 18 is arranged on one side of the outer surface of the dust collection cabinet 14, the cabinet door 18 can be opened periodically to clean the inside of the dust collection cabinet 14, meanwhile, the dust collection cabinet 14 can be sealed, internal dust is effectively prevented from leaking, and a handle 19 is fixedly connected to one side of the outer surface of the cabinet door 18 through a screw, so that the cabinet door 18 can be opened conveniently.

In the further scheme, the surfaces of the two transmission shafts 8 are all rotatably connected with the limiting sleeves 4, the transmission shafts 8 have a limiting effect, the bottom parts of the two limiting sleeves 4 are all fixedly connected with fixing rods 9, the fixing rods 9 and the limiting sleeves 4 are fixedly connected through welding, the fixing rods 9 and the body 1 are fixedly connected through screws, and the fixing rods 9 have a supporting effect on the limiting sleeves (4).

In the further scheme, the both sides of two stop collars 4 all are equipped with stopper 20, and fixed connection between stopper 20 and the transmission shaft 8, through welded fastening connection between stopper 20 and the transmission shaft 8, welded joint is firm durable, and joint strength and leakproofness are high, need not connect the accessory, and is with low costs, and in use does not need frequent management, and stopper 20 can effectively prevent that transmission shaft 8 from taking place the skew.

In a further scheme, a controller 21 is arranged on one side, close to the motor 17, of the interior of the shell 5, the controller 21 is electrically connected with the motor 17, starting of the motor 17 is convenient to control, anticorrosive coatings are coated on the outer surfaces of the shell 5, the body 1 and the dust collecting cabinet 14, the anticorrosive coatings can have an anticorrosive function, the shell 5, the body 1 and the dust collecting cabinet 14 are prevented from being attacked by ultraviolet rays and wind and rain for a long time, ageing is accelerated, and the service life is shortened.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a small-size negative pressure vacuum machine which characterized in that: the scraper comprises a body, a motor is arranged on one side of the top of the body, a rotating shaft is fixedly connected to the driving end of the motor, a first bevel gear is fixedly connected to one end of the rotating shaft, which is far away from the motor, two second bevel gears are respectively connected to two sides of the outer surface of the first bevel gear in a meshed manner, transmission shafts are respectively fixedly connected to one sides of the two second bevel gears, which are far away from the first bevel gear, a third bevel gear is respectively fixedly connected to one ends of the two transmission shafts, which are far away from the second bevel gears, a fourth bevel gear is respectively connected to the bottom sides of the two third bevel gears in a meshed manner, a screw rod is respectively fixedly connected to the bottom of the two fourth bevel gears, vertically penetrates through the top of the body and extends into the body, the two screw rods are respectively rotatably connected with the inner bottom of the body, threaded sleeves are respectively connected to the outer surfaces of the two screw rods in a threaded manner, the threaded sleeves are positioned in the body, and a scraper plate is fixedly connected to one side, which is adjacent to the two threaded sleeves, the utility model discloses a scraper blade, including the body, the surface of scraper blade is equipped with the brush, the inside one side that is close to the brush of body is equipped with the filter screen, one side that the filter screen is close to the brush is equipped with the dust collecting cabinet, and the interior bottom that the dust collecting cabinet runs through the body perpendicularly extends to the bottom.

2. The small-sized negative pressure vacuum machine according to claim 1, wherein: the top fixedly connected with shell of body, and motor, first bevel gear, second bevel gear, third bevel gear, fourth bevel gear and transmission shaft all are located the inside of shell.

3. The small-sized negative pressure vacuum machine according to claim 1, wherein: a cabinet door is arranged on one side of the outer surface of the dust collection cabinet, and a handle is fixedly connected to one side of the outer surface of the cabinet door through a screw.

4. The small-sized negative pressure vacuum machine according to claim 1, wherein: the outer surface of the two transmission shafts is rotatably connected with a limiting sleeve, and the bottom of the limiting sleeve is fixedly connected with a fixing rod.

5. The small-sized negative pressure vacuum machine according to claim 4, wherein: two the both sides of stop collar all are equipped with the stopper, and fixed connection between stopper and the transmission shaft.

6. The small-sized negative pressure vacuum machine according to claim 2, wherein: the inside one side that is close to the motor of shell is equipped with the controller, and electric connection between controller and the motor, the surface of shell, body and dust collecting cabinet all scribbles anticorrosive paint.