CN211189264U

CN211189264U - Anti-blocking and anti-suck-back long-acting vacuum station

Info

Publication number: CN211189264U
Application number: CN201921972054.9U
Authority: CN
Inventors: 董伟
Original assignee: Chuzhou Siying Platinum Polymer Materials Co ltd
Current assignee: Chuzhou Siying Platinum Polymer Materials Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-07
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to a vacuum station technical field provides prevent blockking up and prevent long-term vacuum station of suck-back, including the vacuum jar, the bottom fixedly connected with supporting leg of vacuum jar, one side of vacuum jar is provided with the vacuum pump, the first exhaust tube of top fixedly connected with of vacuum jar, the one end fixedly connected with that the vacuum jar was kept away from to first exhaust tube prevents the suck-back device, prevent the inside wall fixedly connected with mount of suck-back device, and prevent that the suck-back device passes through mount and vacuum jar fixed connection. The utility model discloses a be provided with and prevent suck-back device, under the condition of the sudden power failure of vacuum apparatus, because the pressure in the vacuum chamber is less than external air, lead to the phenomenon that suck-back can appear in the vacuum chamber, the air can be along the direction motion of second exhaust tube towards first exhaust tube, the air can be through preventing suck-back device in the motion process, sealed piece is under the thrust of air, with the shutoff of first exhaust tube to prevent the phenomenon of air suck-back, prevent to suffer the pollution in the vacuum chamber.

Description

Anti-blocking and anti-suck-back long-acting vacuum station

Technical Field

The utility model relates to a vacuum station technical field especially relates to prevent blockking up and prevent long-term vacuum station of suck-back.

Background

The vacuum station is a complete system with two water ring vacuum pumps as vacuum obtaining equipment and a vacuum tank as vacuum storage equipment, and the system greatly saves energy sources compared with the system directly using the vacuum pumps on occasions where the vacuum source is frequently used and the required air extraction amount is not too large, and effectively prolongs the service life of the vacuum pumps.

However, in the case of sudden power failure or emergency shutdown of the existing vacuum equipment, external air is sucked into the vacuum tank of the vacuum equipment due to the fact that the internal air pressure of the vacuum equipment is smaller than the external air pressure, and therefore pollution to the vacuum tank is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a blockage-preventing suck-back-preventing long-acting vacuum station.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the anti-blocking and anti-suck-back long-acting vacuum station comprises a vacuum tank, wherein the bottom of the vacuum tank is fixedly connected with a supporting leg, a vacuum pump is arranged on one side of the vacuum tank, a first exhaust pipe is fixedly connected with the top end of the vacuum tank, one end of the first exhaust pipe far away from the vacuum tank is fixedly connected with an anti-suck-back device, the inner side wall of the anti-suck-back device is fixedly connected with a fixed frame, the anti-suck-back device is fixedly connected with the vacuum tank through a fixing frame, the bottom end of the anti-suck-back device is fixedly connected with a second exhaust pipe, the output end of the vacuum pump is fixedly connected with one end of the second exhaust pipe far away from the suck-back prevention device, the center of the bottom end of the vacuum tank is fixedly connected with a first water discharge pipe, the vacuum tank is kept away from to first drain pipe one end fixedly connected with sewage case, one side fixedly connected with second drain pipe that first drain pipe was kept away from to the sewage case.

Preferably, the anti-suck-back device comprises a case, the top of the inner cavity of the case is provided with a funnel-shaped structure with a downward opening, the bottom of the inner cavity of the case is provided with a sealing block, and the top end of the sealing block is attached to the first exhaust pipe.

Preferably, the bottom end of the inner cavity of the case is fixedly connected with a fixing plate, the top end of the fixing plate is fixedly connected with a return spring, and one end, far away from the fixing plate, of the return spring is fixedly connected with the sealing block.

Preferably, the inner cavity of the sewage tank is provided with a filter screen, the top end of the filter screen is fixedly connected with a limiting device, and the filter screen is connected with the sewage tank through the limiting device.

Preferably, the limiting device comprises a fixing block, a limiting rod is arranged on one side of the fixing block, a limiting hole matched with the limiting rod is formed in the inner side wall of the sewage tank, and the fixing block is connected with the sewage tank through the limiting rod.

Preferably, the inner chamber of fixed block has seted up the activity groove, and the activity inslot is provided with spacing spring, the one end of gag lever post stretches into activity inslot and spacing spring fixed connection, the spacing handle of top fixedly connected with of gag lever post, and the one end that spacing handle kept away from the gag lever post stretches out the fixed block through the activity groove.

Advantageous effects

1. The utility model discloses a be provided with and prevent suck-back device, under the condition of the sudden power failure of vacuum apparatus, because the pressure in the vacuum chamber is less than external air, lead to the phenomenon that suck-back can appear in the vacuum chamber, the air can be along the direction motion of second exhaust tube towards first exhaust tube, the air can be through preventing suck-back device in the motion process, sealed piece is under reset spring's elasticity and the thrust of air, with the shutoff of first exhaust tube to prevent the phenomenon of air suck-back, suffer the pollution in the vacuum chamber.

2. The utility model discloses a be provided with the sewage case, sewage in the vacuum tank enters into the sewage incasement along first drain pipe, through the filtration back of filter screen, reserves the discarded object in the sewage incasement, reduces the pollution of sewage to the environment, simultaneously, through being provided with stop device, when the filter screen needs to be changed, through opening stop device, can directly take the filter screen out from the sewage incasement, be convenient for to the change of filter screen.

Drawings

FIG. 1 is a perspective view of the anti-clogging and anti-suck back long-acting vacuum station of the present invention;

FIG. 2 is a rear perspective view of the anti-clogging and anti-suck back long-acting vacuum station of the present invention;

FIG. 3 is a cross-sectional view of the anti-clogging and anti-suck back prevention device in the long-term vacuum station provided by the present invention;

fig. 4 is the utility model provides a prevent blockking up long-term vacuum station mid stop device's of suck-back cross-sectional view.

Illustration of the drawings:

1. a vacuum tank; 2. supporting legs; 3. a vacuum pump; 4. a first exhaust tube; 5. an anti-suck-back device; 501. a chassis; 502. a sealing block; 503. a fixing plate; 504. a return spring; 6. a fixed mount; 7. a second extraction tube; 8. a first drain pipe; 9. a sewage tank; 10. a second drain pipe; 11. a filter screen; 12. a limiting device; 1201. a fixed block; 1202. a limiting rod; 1203. a limiting handle; 1204. and a limiting spring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1-4, the anti-clogging and anti-suck-back long-acting vacuum station comprises a vacuum tank 1, a supporting leg 2 is fixedly connected to the bottom of the vacuum tank 1, a vacuum pump 3 is arranged on one side of the vacuum tank 1, a first exhaust pipe 4 is fixedly connected to the top end of the vacuum tank 1, an anti-suck-back device 5 is fixedly connected to one end of the first exhaust pipe 4 away from the vacuum tank 1, a fixing frame 6 is fixedly connected to the inner side wall of the anti-suck-back device 5, the anti-suck-back device 5 is fixedly connected to the vacuum tank 1 through the fixing frame 6, a second exhaust pipe 7 is fixedly connected to the bottom end of the anti-suck-back device 5, the output end of the vacuum pump 3 is fixedly connected to one end of the second exhaust pipe 7 away from the anti-suck-back device 5, a first drain pipe 8 is fixedly connected to the center of the bottom end of the vacuum tank 1, a sewage tank 9 is fixedly, when the vacuum equipment is powered off, the pressure in the vacuum tank 1 is smaller than the outside, the suck-back phenomenon occurs, air moves from the second exhaust pipe 7 to the first exhaust pipe 4, and when the air passes through the suck-back prevention device 5, the suck-back prevention device 5 can seal the first exhaust pipe 4, so that suck-back can be prevented.

Prevent suck-back device 5 includes quick-witted case 501, the downward hourglass hopper-shaped of opening has been seted up at quick-witted case 501's inner chamber top, quick-witted case 501's inner chamber bottom is provided with sealed piece 502, the top and the laminating of first exhaust tube 4 of sealed piece 502 mutually, quick-witted case 501's inner chamber bottom fixedly connected with fixed plate 503, the top fixedly connected with reset spring 504 of fixed plate 503, and reset spring 504 keeps away from the one end and the sealed piece 502 fixed connection of fixed plate 503, when the suck-back phenomenon appears, the air enters into quick-witted case 501 from second exhaust tube 7, and promote the direction motion of sealed piece 502 towards first exhaust tube 4, thereby seal first exhaust tube 4, prevent suck-back.

A filter screen 11 is arranged in the inner cavity of the sewage tank 9, a limiting device 12 is fixedly connected to the top end of the filter screen 11, the filter screen 11 is connected with the sewage tank 9 through the limiting device 12, the limiting device 12 comprises a fixed block 1201, a limiting rod 1202 is arranged on one side of the fixed block 1201, a limiting hole matched with the limiting rod 1202 is formed in the inner side wall of the sewage tank 9, the fixed block 1201 is connected with the sewage tank 9 through the limiting rod 1202, a movable groove is formed in the inner cavity of the fixed block 1201, a limiting spring 1204 is arranged in the movable groove, one end of the limiting rod 1202 extends into the movable groove and is fixedly connected with the limiting spring 1204, a limiting handle 1203 is fixedly connected to the top end of the limiting rod 1202, one end of the limiting handle 1203 far away from the limiting rod 1202 extends out of the fixed block 1201 through the movable groove, sewage in the vacuum tank 1 enters the sewage tank 9 from the first drain pipe 8, when the filter screen 11 needs to be replaced, the limiting handle 1203 pushes the limiting rod 1202, the limiting rod 1202 is received in the fixing block 1201, and then the filter screen 11 is drawn out from the sewage tank 9 through the fixing block 1201.

The utility model discloses a theory of operation: when the anti-blocking and anti-suck-back long-acting vacuum station is used, the vacuum pump 3 is started to vacuumize the vacuum tank 1 during vacuumization, when the vacuum equipment is powered off suddenly, the suck-back phenomenon can occur due to the fact that the pressure in the vacuum tank 1 is smaller than the pressure in the outside, the outside air can move towards the vacuum tank 1 through the second air suction pipe 7, when the air enters the suck-back prevention device 5, the air can push the sealing block 502 to plug the first air suction pipe 4, the suck-back phenomenon can be effectively prevented, the sewage in the vacuum tank 1 is discharged into the sewage tank 9 through the first water discharge pipe 8, the sewage is filtered by the filter screen 11, the waste is reserved in the sewage tank 9, the water is discharged out of the sewage tank 9 through the second water discharge pipe 10, the pollution of the sewage to the environment is reduced, when the filter screen 11 needs to be replaced, the limiting rod 1203 is pulled through the limiting handle 1203, the stopper rod 1202 is separated from the sewage tank 9 and is received into the fixing block 1201, and the filter screen 11 can be drawn out of the sewage tank 9 through the fixing block 1201 by pulling the fixing block 1201 upward.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Prevent blockking up long-term vacuum station of suck-back, including vacuum tank (1), its characterized in that: the bottom of the vacuum tank (1) is fixedly connected with a supporting leg (2), one side of the vacuum tank (1) is provided with a vacuum pump (3), the top end of the vacuum tank (1) is fixedly connected with a first exhaust pipe (4), one end, far away from the vacuum tank (1), of the first exhaust pipe (4) is fixedly connected with a reverse suction prevention device (5), the inner side wall of the reverse suction prevention device (5) is fixedly connected with a fixing frame (6), the reverse suction prevention device (5) is fixedly connected with the vacuum tank (1) through the fixing frame (6), the bottom end of the reverse suction prevention device (5) is fixedly connected with a second exhaust pipe (7), the output end of the vacuum pump (3) is fixedly connected with one end, far away from the reverse suction prevention device (5), of the second exhaust pipe (7), the bottom center of the vacuum tank (1) is fixedly connected with a first drainage pipe (8), one end, far away from the vacuum tank (1), of the first drainage pipe (8) is fixedly connected with, and one side of the sewage tank (9) far away from the first drainage pipe (8) is fixedly connected with a second drainage pipe (10).

2. The anti-clogging and anti-suck-back long-acting vacuum station according to claim 1, characterized in that: the anti-suck-back device (5) comprises a case (501), the top of an inner cavity of the case (501) is provided with a funnel-shaped structure with a downward opening, the bottom end of the inner cavity of the case (501) is provided with a sealing block (502), and the top end of the sealing block (502) is attached to the first exhaust pipe (4).

3. The anti-clogging and anti-suck-back long-acting vacuum station according to claim 2, characterized in that: the bottom end of the inner cavity of the case (501) is fixedly connected with a fixing plate (503), the top end of the fixing plate (503) is fixedly connected with a return spring (504), and one end, far away from the fixing plate (503), of the return spring (504) is fixedly connected with a sealing block (502).

4. The anti-clogging and anti-suck-back long-acting vacuum station according to claim 1, characterized in that: the inner cavity of the sewage tank (9) is provided with a filter screen (11), the top end of the filter screen (11) is fixedly connected with a limiting device (12), and the filter screen (11) is connected with the sewage tank (9) through the limiting device (12).

5. The anti-clogging and anti-suck-back long-acting vacuum station according to claim 4, characterized in that: the limiting device (12) comprises a fixing block (1201), a limiting rod (1202) is arranged on one side of the fixing block (1201), a limiting hole matched with the limiting rod (1202) is formed in the inner side wall of the sewage tank (9), and the fixing block (1201) is connected with the sewage tank (9) through the limiting rod (1202).

6. The anti-clogging and anti-suck-back long-acting vacuum station according to claim 5, characterized in that: the utility model discloses a spacing spring of fixed block (1201), including spacing pole (1202), spacing handle (1203), and spacing handle (1203) are connected with the top fixedly connected with that the one end of spacing pole (1202) is stretched out fixed block (1201) through the activity groove, activity inslot has been seted up to the inner chamber of fixed block (1201), is provided with spacing spring (1204) in the activity inslot, the one end that spacing pole (1202) were kept away from to spacing handle (1203).