CN218093346U

CN218093346U - Vertical vacuum pump convenient to adjust air extraction volume

Info

Publication number: CN218093346U
Application number: CN202222704207.XU
Authority: CN
Inventors: 杨实杰; 孙悦喜; 杨昕彤; 孙悦凤
Original assignee: Shandong Bojie Pump Technology Co ltd
Current assignee: Shandong Bojie Pump Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2022-12-20
Anticipated expiration: 2032-10-14

Abstract

The utility model relates to a vertical vacuum pump convenient to adjust air extraction, including cylinder body and riser, be equipped with drive arrangement, installation device and air exhaust device on the riser, drive arrangement includes motor, first connecting rod, second connecting rod and third connecting rod, the one end of first connecting rod with air exhaust device connects, the other end with the second connecting rod rotates to be connected, and the other one end of second connecting rod is equipped with first through-hole, be provided with a plurality of and first through-hole complex second through-hole on the third connecting rod, the utility model discloses in do reciprocating motion through the piston and realize the evacuation operation, drive the third connecting rod through motor drive when using and rotate, first connecting rod is equipped with square guide outward and leads it, when the third connecting rod rotates, drives first connecting rod through the second connecting rod and slides, and then drives the piston and remove, can adjust the single stroke of piston through the hookup location of adjustment second connecting rod and third connecting rod, realize the regulation to the air extraction.

Description

Vertical vacuum pump convenient to adjust air extraction volume

Technical Field

The utility model relates to a vacuum pump technical field specifically is a vertical vacuum pump convenient to adjust air extraction volume.

Background

Most of the existing vacuum pumps adopt impeller rotation to pump air out of an area to be pumped, but when the impeller rotates to pump air, the pumping amount is not easy to control and adjust; in addition, some vacuum pumps pump air out of the area to be pumped through the piston, the piston does reciprocating motion, and the pumping quantity is fixed when the piston circulates once and cannot be adjusted; meanwhile, when the piston is used for exhausting air, the exhaust position needs to be sealed through the sealing plug, when the piston is used for exhausting air, the air inlet position needs to be sealed through the sealing plug, the existing vacuum pump is not prone to sealing the air inlet position and the exhaust position, and the sealing structure is not prone to being installed in the cylinder body.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the problem that exists among the prior art, the utility model provides a vertical vacuum pump convenient to adjust air extraction volume to solve the technical problem who mentions in the background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vertical vacuum pump convenient to adjust air extraction volume, includes cylinder body and riser, be equipped with drive arrangement, installation device and air exhaust device on the riser, drive arrangement includes motor, first connecting rod, second connecting rod and third connecting rod, the one end of first connecting rod with air exhaust device connects, the other end with the second connecting rod rotates to be connected, and the other one end of second connecting rod is equipped with first through-hole, be provided with a plurality of and first through-hole complex second through-hole on the third connecting rod, the other one end of third connecting rod is rotated the cover and is established outside the output shaft of motor, and motor fixed mounting is on the riser, first through-hole and a plurality of be equipped with coupling mechanism between the second through-hole, installation device includes the cylinder cap, be equipped with first counter sink on the cylinder cap, be provided with first counter sink complex first screw hole on the cylinder body, connect through bolt detachably between first screw hole, all be equipped with the seal groove on cylinder body and the cylinder cap, be equipped with sealed the pad in the cylinder cap.

Preferably, air exhaust device includes piston and sealing mechanism, and the both sides of cylinder cap are equipped with air inlet and gas outlet respectively, sealing mechanism is provided with two sets ofly, and sets up respectively in air inlet and gas outlet department, all be provided with on cylinder body and the cylinder cap with piston complex inner chamber, the piston slides and sets up in the inner chamber, and laminate with the inner chamber, first connecting rod and piston fixed connection, the cross section of first connecting rod set up to the rectangle, the one end that is close to the motor on the cylinder body is provided with the square groove with first connecting rod complex, when the cylinder body is in the air inlet, limiting plate and the laminating of second spacing groove of air inlet department, the laminating of closing plate and the second spacing groove of gas outlet department, the air of being convenient for air inlet department gets into the cylinder body, when the cylinder body is in the air outlet, the laminating of closing plate and the first spacing groove of air inlet department, the laminating of limiting plate and the first spacing groove of gas outlet department, the air of being convenient for in the cylinder body passes through the gas outlet and discharges.

In further preferred, coupling mechanism includes round pin axle, fastening nut and flat bearing, the one end of round pin axle is equipped with hexagonal spacing head, and one end and fastening nut threaded connection in addition, round pin axle rotate to set up in first through-hole and second through-hole, and flat bearing is provided with two, and all overlaps and establish outside the round pin axle, one of them flat bearing's both sides respectively with second connecting rod and third connecting rod laminating, another flat bearing's both sides respectively with second connecting rod and fastening nut laminating, hexagonal spacing head and third connecting rod laminating, the second connecting rod of being convenient for and third connecting rod connection.

In further preferred, sealing mechanism includes closing plate, connecting rod and limiting plate, the one end and the closing plate fixed connection of connecting rod, the other end with limiting plate threaded connection is equipped with the air inlet duct on the limiting plate, two the connecting rod sets up respectively in air inlet and gas outlet, and the diameter of connecting rod is less than the diameter of air inlet and gas outlet, the installation sealing mechanism of being convenient for.

In further preferred, the inside of air inlet and gas outlet all is equipped with first spacing groove, the outside of air inlet and gas outlet all is equipped with the second spacing groove, one of them the limiting plate slides and sets up in the second spacing groove of air inlet department, and another one the limiting plate slides and sets up in the first spacing groove of gas outlet department, is convenient for lead the limiting plate.

In a further preferred mode, a square guide rail matched with the first connecting rod is arranged on the vertical plate, so that the first connecting rod is conveniently guided.

In a further preferred mode, a first mounting groove matched with the hexagonal limiting head is formed in one side, close to the vertical plate, of the third connecting rod, and a second mounting groove matched with the fastening nut is formed in the second connecting rod, so that limiting can be conveniently carried out on the hexagonal limiting head.

(III) advantageous effects

Compared with the prior art, the utility model provides a vertical vacuum pump convenient to adjust air extraction volume possesses following beneficial effect:

1. the utility model discloses in do reciprocating motion through the piston and realize the evacuation operation, drive the rotation of third connecting rod through motor drive when using, first connecting rod is equipped with square guide rail outward and leads it, when the third connecting rod rotates, drive first connecting rod through the second connecting rod and slide, and then drive the piston and remove, can adjust the hookup location of second connecting rod and third connecting rod, adjust the single stroke of piston, realize the regulation to the air extraction;

2. the utility model discloses be equipped with the cylinder cap on the well cylinder body, pass through threaded connection between connecting rod and the limiting plate, be convenient for install sealing mechanism after air inlet and gas outlet, install the cylinder cap on the cylinder body again, be convenient for install between sealing mechanism and the cylinder body fixedly, and be equipped with the sealed pad between cylinder cap and the cylinder body, be convenient for improve sealed effect;

3. the utility model discloses in when the cylinder body was in when admitting air, the limiting plate and the laminating of second spacing groove of air inlet department, the closing plate and the laminating of second spacing groove of air outlet department, the air of the air inlet department of being convenient for enters into the cylinder body, when the cylinder body was in when giving vent to anger, the closing plate and the laminating of first spacing groove of air inlet department, the limiting plate and the laminating of first spacing groove of air outlet department, the air in the cylinder body of being convenient for passes through the gas outlet and discharges.

Drawings

Fig. 1 is a schematic view of the overall structure of a vertical vacuum pump convenient for adjusting the air suction amount in the present invention;

FIG. 2 is a schematic view showing the unconnected state of the cylinder and the cylinder cover;

fig. 3 is a schematic structural view of the present invention from another angle in fig. 2;

fig. 4 is a schematic structural view of the sealing mechanism of the present invention;

FIG. 5 is a schematic view illustrating an unconnected state of the second link and the third link according to the present invention;

fig. 6 is a schematic structural view of a third connecting rod of the present invention;

fig. 7 is a schematic structural view of the cylinder head of the present invention.

In the figure: 1. a cylinder body; 2. a vertical plate; 3. a motor; 4. a first link; 5. a second link; 6. a third link; 7. a first through hole; 8. a second through hole; 9. a cylinder cover; 10. a first counterbore; 11. a first threaded hole; 12. a sealing groove; 13. a gasket; 14. a piston; 15. an air inlet; 16. an air outlet; 17. an inner cavity; 18. a square groove; 19. a pin shaft; 20. fastening a nut; 21. a flat bearing; 22. a hexagonal limiting head; 23. a sealing plate; 24. a connecting rod; 25. a limiting plate; 26. an air inlet groove; 27. a first limit groove; 28. a second limit groove; 29. a square guide rail; 30. a first mounting groove; 31. and a second mounting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-7, a vertical vacuum pump convenient for adjusting air extraction amount includes a cylinder body 1 and a vertical plate 2, a driving device is arranged on the vertical plate 2, an installation device and an air extraction device are provided, the driving device includes a motor 3, a first connecting rod 4, a second connecting rod 5 and a third connecting rod 6, one end of the first connecting rod 4 is connected with the air extraction device, the other end is rotatably connected with the second connecting rod 5, the other end of the second connecting rod 5 is provided with a first through hole 7, the third connecting rod 6 is provided with a plurality of second through holes 8 matched with the first through hole 7, the other end of the third connecting rod 6 is rotatably sleeved outside an output shaft of the motor 3, the motor 3 is fixedly installed on the vertical plate 2, a connection mechanism is provided between the first through hole 7 and the plurality of second through holes 8, the installation device includes a cylinder cover 9, the cylinder cover 9 is provided with a first countersunk hole 10, the cylinder body 1 is provided with a first threaded hole 11 matched with the first countersunk hole 10, the first countersunk hole 10 is connected with the first threaded hole 11 through a bolt, both the cylinder body 1 and the cylinder cover 9 are provided with a sealing groove 12, and a sealing gasket 13 is detachably arranged in the cylinder cover 12.

Referring to fig. 1-7, the air extracting device includes a piston 14 and a sealing mechanism, two sides of the cylinder cover 9 are respectively provided with an air inlet 15 and an air outlet 16, the sealing mechanism is provided with two sets, and the sealing mechanism is respectively arranged at the air inlet 15 and the air outlet 16, the cylinder body 1 and the cylinder cover 9 are both provided with inner cavities 17 matched with the piston 14, the piston 14 is slidably arranged in the inner cavity 17 and attached to the inner cavity 17, the first connecting rod 4 is fixedly connected with the piston 14, the cross section of the first connecting rod 4 is rectangular, and one end of the cylinder body 1 close to the motor 3 is provided with a square groove 18 matched with the first connecting rod 4. The vertical plate 2 is provided with a square guide rail 29 matched with the first connecting rod 4. When the air suction device is used, the motor 3 is started to drive the third connecting rod 6 to rotate, the first connecting rod 4 is driven to move along the direction of the square guide rail 29 through the second connecting rod 5, the piston 14 is driven to move, air in an area to be sucked is sucked into the inner cavity 17 in the cylinder body 1 through the air inlet 15, and the air in the inner cavity 17 is discharged through a gap between the square groove 18 and the first connecting rod 4.

Referring to fig. 1-7, the connecting mechanism includes a pin 19, a fastening nut 20 and two plane bearings 21, one end of the pin 19 is provided with a hexagonal limiting head 22, the other end of the pin is connected with the fastening nut 20 by a screw thread, the pin 19 is rotatably disposed in the first through hole 7 and the second through hole 8, the two plane bearings 21 are disposed and are all sleeved outside the pin 19, two sides of one plane bearing 21 are respectively attached to the second connecting rod 5 and the third connecting rod 6, two sides of the other plane bearing 21 are respectively attached to the second connecting rod 5 and the fastening nut 20, and the hexagonal limiting head 22 is attached to the third connecting rod 6. A first mounting groove 30 matched with the hexagonal limiting head 22 is arranged on one side of the third connecting rod 6 close to the vertical plate 2, and a second mounting groove 31 matched with the fastening nut 20 is arranged on the second connecting rod 5. When the air suction device is used, the pin shaft 19 penetrates through the second through hole 8 in the third connecting rod 6, one of the plane bearings 21 is sleeved outside the pin shaft 19, the pin shaft 19 penetrates through the first through hole 7 in the second connecting rod 5, the other plane bearing 21 is sleeved outside the pin shaft 19, the hexagonal limiting head 22 is inserted into the first mounting groove 30, the hexagonal limiting head 22 is limited through the first mounting groove 30 to prevent the hexagonal limiting head from rotating, the fastening nut 20 is in threaded connection with the pin shaft 19 to achieve mounting and fixing of the second connecting rod 5 and the third connecting rod 6, when the air suction amount needs to be adjusted, the pin shaft 19 is connected with different second through holes 8, the moving distance of the piston 14 is adjusted by adjusting the distance between the connecting position of the third connecting rod 6 and the second connecting rod 5 and the output shaft of the motor 3, and single-time air suction amount of the circulation of the piston 14 is adjusted.

Referring to fig. 1-7, the sealing mechanism includes a sealing plate 23, a connecting rod 24 and a limiting plate 25, one end of the connecting rod 24 is fixedly connected to the sealing plate 23, the other end is connected to the limiting plate 25 by a screw thread, the limiting plate 25 is provided with an air inlet slot 26, the two connecting rods 24 are respectively disposed in the air inlet 15 and the air outlet 16, and the diameter of the connecting rod 24 is smaller than the diameter of the air inlet 15 and the air outlet 16. The air inlet 15 and the air outlet 16 are both provided with a first limiting groove 27, the air inlet 15 and the air outlet 16 are both provided with a second limiting groove 28, one limiting plate 25 is arranged in the second limiting groove 28 at the air inlet 15 in a sliding manner, and the other limiting plate 25 is arranged in the first limiting groove 27 at the air outlet 16 in a sliding manner. When the piston 14 moves towards one end far away from the cylinder cover 9, negative pressure is generated in the inner cavity 17 to drive the sealing mechanism at the air inlet 15 and the sealing mechanism at the air outlet 16 to move inwards together, the limiting plate 25 at the air inlet 15 is attached to the second limiting groove 28, the sealing plate 23 at the air outlet 16 is attached to the second limiting groove 28, air can enter the inner cavity 17 through the air inlet groove 26 in the limiting plate 25 at the air inlet 15 at the moment, the air at the air outlet is blocked by the sealing plate 23, when the piston 14 moves towards one side close to the cylinder cover 9, positive pressure is generated in the inner cavity 17 to push the sealing mechanisms at the air inlet 15 and the air outlet 16 to move outwards, the sealing plate 23 at the air inlet 15 is attached to the first limiting groove 27 at the moment, the limiting plate 25 at the air outlet 16 is attached to the first limiting groove 27, the air in the inner cavity 17 is exhausted through the air outlet 16, and the air at the air inlet 15 is blocked by the sealing plate 23.

Example 2:

in summary, when in use, the connecting rods 24 of the two sealing mechanisms respectively penetrate through the air inlet 15 and the air outlet 16 and are respectively in threaded connection with the two limiting plates 25, the cylinder head 9 is placed on the cylinder body 1, the bolt penetrates through the first countersunk hole 10 and then is connected with the first threaded hole 11, so as to achieve installation and fixation of the cylinder head 9, the motor 3 is started to drive the third connecting rod 6 to rotate, further the second connecting rod 5 drives the first connecting rod 4 to move along the direction of the square guide rail 29, further the piston 14 is driven to move, air in a region to be extracted is pumped into the inner cavity 17 in the cylinder body 1 through the air inlet 15, air in the inner cavity 17 is discharged through a gap between the square groove 18 and the first connecting rod 4, when the piston 14 moves towards one end far away from the cylinder head 9, negative pressure is generated in the inner cavity 17, the sealing mechanisms at the air inlet 15 and the air outlet 16 are driven to move inwards together, the limiting plate 25 at the air inlet 15 is attached to the second limiting groove 28, the air inlet 23 at the air outlet 16 is attached to the second limiting groove 28, at the air outlet 16, at the air inlet 15 is pushed by the air sealing plate 23 and the air outlet 17, at the air outlet 16, at the sealing plate 27, at the air outlet 16, at the air outlet 14, air sealing plate 14, air outlet is pushed by the air sealing plate 23 and the air sealing plate 17, and the air outlet 14, when the air sealing plate 17, air outlet 14 is pushed by the air sealing plate 17, and the air outlet 14.

Example 3:

in summary, when the air suction device is used, the pin shaft 19 penetrates through the second through hole 8 on the third connecting rod 6, one of the plane bearings 21 is sleeved outside the pin shaft 19, the pin shaft 19 penetrates through the first through hole 7 on the second connecting rod 5, the other plane bearing 21 is sleeved outside the pin shaft 19, the hexagonal limiting head 22 is inserted into the first mounting groove 30, the hexagonal limiting head 22 is limited through the first mounting groove 30 to prevent the hexagonal limiting head from rotating, the fastening nut 20 is in threaded connection with the pin shaft 19 to achieve mounting and fixing of the second connecting rod 5 and the third connecting rod 6, when the air suction amount needs to be adjusted, the pin shaft 19 is connected with different second through holes 8, adjustment of the moving distance of the piston 14 is achieved by adjusting the distance between the connecting position of the third connecting rod 6 and the second connecting rod 5 and the output shaft of the motor 3, and adjustment of the air suction amount of the piston 14 in a single cycle is achieved.

In all the above-mentioned embodiments, the connection between two components may be selected from welding, bolt and nut fit connection, bolt or screw connection or other known connection methods according to actual situations, which are not repeated herein, and it is preferable to consider welding in the above description, although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a vertical vacuum pump convenient to adjust air extraction volume, includes cylinder body (1) and riser (2), its characterized in that: be equipped with drive arrangement, installation device and air exhaust device on riser (2), drive arrangement includes motor (3), first connecting rod (4), second connecting rod (5) and third connecting rod (6), the one end of first connecting rod (4) with air exhaust device connects, the other end with second connecting rod (5) rotate to be connected, and the other one end of second connecting rod (5) is equipped with first through-hole (7), be provided with a plurality of and first through-hole (7) complex second through-hole (8) on third connecting rod (6), the other one end of third connecting rod (6) is rotated the cover and is established outside the output shaft of motor (3), and motor (3) fixed mounting is on riser (2), first through-hole (7) and a plurality of be equipped with coupling mechanism between second through-hole (8), installation device includes cylinder cap (9), be equipped with first counter bore (10) on cylinder cap (9), be provided with first threaded hole (11) with first counter bore (10) complex on cylinder body (1), be equipped with through sealed the screw hole (10) of cylinder cap (11) detachably and seal groove (12) between first counter bore (10), the cylinder cap (12) are all equipped with seal groove (12).

2. A vertical vacuum pump facilitating adjustment of suction in accordance with claim 1, wherein: air exhaust device includes piston (14) and sealing mechanism, and the both sides of cylinder cap (9) are equipped with air inlet (15) and gas outlet (16) respectively, sealing mechanism is provided with two sets ofly, and sets up respectively in air inlet (15) and gas outlet (16) department, all be provided with on cylinder body (1) and cylinder cap (9) with piston (14) complex inner chamber (17), piston (14) slide to set up in inner chamber (17), and laminate with inner chamber (17), first connecting rod (4) and piston (14) fixed connection, the cross section of first connecting rod (4) sets up to the rectangle, and the one end that is close to motor (3) on cylinder body (1) is provided with first connecting rod (4) complex square groove (18).

3. A vertical vacuum pump facilitating adjustment of suction according to claim 1, wherein: coupling mechanism includes round pin axle (19), fastening nut (20) and flat bearing (21), the one end of round pin axle (19) is equipped with hexagonal spacing head (22), and one end and fastening nut (20) threaded connection in addition, round pin axle (19) rotate to set up in first through-hole (7) and second through-hole (8), and flat bearing (21) are provided with two, and all establish outside round pin axle (19), one of them the both sides of flat bearing (21) laminate with second connecting rod (5) and third connecting rod (6) respectively, another the both sides of flat bearing (21) laminate with second connecting rod (5) and fastening nut (20) respectively, and hexagonal spacing head (22) and third connecting rod (6) laminate.

4. A vertical vacuum pump facilitating adjustment of suction according to claim 2, wherein: the sealing mechanism comprises a sealing plate (23), a connecting rod (24) and a limiting plate (25), one end of the connecting rod (24) is fixedly connected with the sealing plate (23), the other end of the connecting rod is connected with the limiting plate (25) in a threaded mode, an air inlet groove (26) is formed in the limiting plate (25), the connecting rod (24) is arranged in the air inlet (15) and the air outlet (16) respectively, and the diameter of the connecting rod (24) is smaller than that of the air inlet (15) and that of the air outlet (16).

5. A vertical vacuum pump facilitating adjustment of suction according to claim 4, wherein: the inside of air inlet (15) and gas outlet (16) all is equipped with first spacing groove (27), the outside of air inlet (15) and gas outlet (16) all is equipped with second spacing groove (28), one of them limiting plate (25) slide and set up in second spacing groove (28) of air inlet (15) department, the other limiting plate (25) slide and set up in first spacing groove (27) of gas outlet (16) department.

6. A vertical vacuum pump facilitating adjustment of suction according to claim 1, wherein: the vertical plate (2) is provided with a square guide rail (29) matched with the first connecting rod (4).

7. A vertical vacuum pump facilitating adjustment of suction according to claim 3, wherein: one side of the third connecting rod (6) close to the vertical plate (2) is provided with a first mounting groove (30) matched with the hexagonal limiting head (22), and the second connecting rod (5) is provided with a second mounting groove (31) matched with the fastening nut (20).