CN214660895U

CN214660895U - Horizontal centrifugal pump of anti siphon that falls

Info

Publication number: CN214660895U
Application number: CN202022974432.6U
Authority: CN
Inventors: 王一飞; 李邦海
Original assignee: YIWU CITY NO 2 PETROCHEMICAL P
Current assignee: YIWU CITY NO 2 PETROCHEMICAL P
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-11-09
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses a horizontal centrifugal pump of anti siphon of falling, including the pump body, pipeline one, pipeline two, be equipped with driving motor on the pump body, driving motor's output transmission is connected with fixed block one. The utility model discloses in, the pump body and inside use the accessory to be the aviation alloy aluminium material, can effectively prevent the medium infiltration, the output of beating driving motor drives fixed block one and rotates, make liquid in the pipeline one have the feed port to get into when leading to inherent fixed block two of logical groove and joint bearing to being close to the swing of stopper one-to-one, connecting block and sliding block are along the sliding tray to being close to two one sides of stopper motion, make the sliding block with the liquid in the sliding tray push into in the connecting pipe, make liquid in the connecting pipe get into in the pipeline two, liquid flows into pipeline one from pipeline two when taking place to block the siphon, make simultaneously to keep certain liquid in the pump body, need not use extra device to end, the problem that the centrifugal pump can not anti-siphon among the solution prior art falls.

Description

Horizontal centrifugal pump of anti siphon that falls

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to a horizontal centrifugal pump of anti siphon that falls.

Background

In the medium transmission in the centrifugal pump, for example, liquid gets into the holding vessel through the centrifugal pump from the tank car, perhaps transmits to another holding vessel from the holding vessel through the centrifugal pump, but the valve is closed in time to the centrifugal pump closure, or when transportation process met the power failure, liquid refluences easily, takes place the siphon of falling, leads to the centrifugal pump reversal, damages the centrifugal pump, causes the production accident.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the anti-inverted siphon horizontal centrifugal pump aims to solve the problem that a centrifugal pump in the prior art cannot resist inverted siphon.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a horizontal centrifugal pump of anti-siphon, includes the pump body, pipeline one, pipeline two, be equipped with driving motor on the pump body, driving motor's output transmission is connected with fixed block one, it is connected with fixed block two to rotate on the fixed block one, fixed block two has the connecting block through joint bearing swing joint, the feed port has been seted up on the connecting block, the sliding tray has been seted up in the pump body, be equipped with the sliding block in the sliding tray, logical groove has been seted up in the sliding block, sliding block inner chamber fixedly connected with fixed block three, fixed block three has stopper two through two elastic connection of spring, sliding tray tip fixedly connected with connecting pipe, the spacing groove has been seted up on the connecting pipe, the pump body has stopper one through a spring elastic connection.

As a further description of the above technical solution:

the sliding block is fixedly connected with the connecting block.

As a further description of the above technical solution:

and a second telescopic sleeve is arranged in the second spring.

As a further description of the above technical solution:

the first spring is internally provided with a first telescopic sleeve.

As a further description of the above technical solution:

the first limiting block is matched with the limiting groove in shape.

As a further description of the above technical solution:

and the feeding hole is communicated with the first pipeline and the through groove.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, the pump body and the internal parts are made of aviation aluminum alloy materials, which can effectively prevent medium permeation, the driving motor is opened, the output end of the driving motor drives the first fixed block to rotate, when the second fixed block and the joint bearing swing to the side far away from the limit block, the liquid in the first pipeline has a feed hole to enter the through groove, at the moment, the second limit block and the through groove are in a separation state, when the second fixed block and the joint bearing swing to the side near the limit block, the connecting block and the sliding block move to the side near the second limit block along the sliding groove, at the same time, the second limit block and the through groove are in a clamping state, the sliding block pushes the liquid in the sliding groove into the connecting pipe, the liquid pushes the limit block to move to the inner surface wall near the right side of the pump body, the first spring is compressed, the liquid in the connecting pipe enters the second pipeline, the liquid can be blocked from flowing into the first pipeline from the second pipeline when the inverted siphon occurs, meanwhile, certain liquid is kept in the pump body, an additional device is not needed to be used for stopping, and the problem that the centrifugal pump cannot resist falling and siphon in the prior art is solved.

2. The utility model discloses in, the spring one and the spring two of setting can make stopper one and stopper two respectively with lead to groove and spacing groove block under the effect of not receiving the stress, realize the auto-lock, even take place to fall the siphon, liquid can not cause the harm to pump body inner structure yet.

Drawings

Fig. 1 shows a schematic view of an internal structure of a centrifugal pump provided according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating a partially enlarged structure of fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic front view of a centrifugal pump according to an embodiment of the present invention;

illustration of the drawings:

1. a drive motor; 2. a first fixed block; 3. a pump body; 4. a second fixed block; 5. a knuckle bearing; 6. a first pipeline; 7. a second pipeline; 8. connecting blocks; 9. a slider; 10. a sliding groove; 11. a feed port; 12. a through groove; 13. a third fixed block; 14. a first spring; 15. a first limiting block; 16. a first telescopic sleeve; 17. a second spring; 18. a second telescopic sleeve; 19. a limiting groove; 20. a second limiting block; 21. and (4) connecting the pipes.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a horizontal centrifugal pump resisting inverted siphon comprises a pump body 3, a first pipeline 6 and a second pipeline 7, wherein a driving motor 1 is fixedly connected to the pump body 3, a first fixing block 2 is connected to the output end of the driving motor 1 in a transmission manner, a second fixing block 4 is connected to the first fixing block 2 in a rotating manner, the second fixing block 4 is movably connected with a connecting block 8 through a joint bearing 5, a feeding hole 11 is formed in the side wall of the connecting block 8, a sliding groove 10 is formed in the pump body 3, a sliding block 9 is arranged in the sliding groove 10, the sliding block 9 is fixedly connected with the connecting block 8, a through groove 12 is formed in the sliding block 9, two ends of the feeding hole 11 are respectively communicated with the first pipeline 6 and the through groove 12, a third fixing block 13 is fixedly connected to the inner cavity of the sliding block 9, a through hole capable of allowing a material to pass through is formed in the third fixing block 13, the second fixing block 13 is elastically connected with a second limiting block 20 through a spring 17, and a connecting pipe 21 is fixedly connected to the end of the sliding groove 10, the connecting pipe 21 is communicated with the sliding groove 10, the connecting pipe 21 is provided with a limiting groove 19, the first limiting block 15 is matched with the limiting groove 19 in shape, the limiting groove 19 is a sphere groove, the pump body 3 is elastically connected with the first limiting block 15 through the first spring 14, and the first limiting block 15 is a sphere.

Specifically, as shown in fig. 1, a second telescopic sleeve 18 is arranged in the second spring 17 to limit the telescopic amount of the second spring 17.

Specifically, as shown in fig. 1, a first telescopic sleeve 16 is disposed in the first spring 14 to limit the amount of expansion of the first spring 14.

The working principle is as follows: when the pump is used, the pump body 3 and internal parts are made of aviation alloy aluminum materials, medium permeation can be effectively prevented, the driving motor 1 is opened, the output end of the driving motor 1 drives the first fixing block 2 to rotate, when the second fixing block 4 and the knuckle bearing 5 swing to the side far away from the first limiting block 15, liquid in the pipeline first 6 enters the through groove 12 through the feeding hole 11, the second limiting block 20 and the through groove 12 are in a separated state, when the second fixing block 4 and the knuckle bearing 5 swing to the side close to the first limiting block 15, the connecting block 8 and the sliding block 9 move to the side close to the second limiting block 20 along the sliding groove 10, meanwhile, the second limiting block 20 and the through groove 12 are in a clamping state, so that the sliding block 9 pushes the liquid in the sliding groove 10 into the connecting pipe 21, the liquid pushes the second limiting block 20 to move to the inner surface wall close to the right side of the pump body 3, and meanwhile, the first spring 14 is compressed, the liquid in the connecting pipe 21 enters the second pipeline 7, so that the liquid can be prevented from flowing into the first pipeline 6 from the second pipeline 7 when the inverted siphon occurs, and meanwhile, a certain amount of liquid is kept in the pump body 3 without using an additional device for stopping.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The anti-inverted siphon horizontal centrifugal pump comprises a pump body (3), a first pipeline (6) and a second pipeline (7), and is characterized in that a driving motor (1) is arranged on the pump body (3), a first fixed block (2) is connected to the output end of the driving motor (1) in a transmission manner, a second fixed block (4) is connected to the first fixed block (2) in a rotating manner, the second fixed block (4) is movably connected with a connecting block (8) through a joint bearing (5), a feeding hole (11) is formed in the connecting block (8), a sliding groove (10) is formed in the pump body (3), a sliding block (9) is arranged in the sliding groove (10), a through groove (12) is formed in the sliding block (9), a third fixed block (13) is fixedly connected to the inner cavity of the sliding block (9), and a second limiting block (20) is elastically connected to the third fixed block (13) through a second spring (17), the pump is characterized in that a connecting pipe (21) is fixedly connected to the end portion of the sliding groove (10), a limiting groove (19) is formed in the connecting pipe (21), and a limiting block I (15) is elastically connected to the pump body (3) through a spring I (14).

2. An anti-inverted siphon horizontal centrifugal pump according to claim 1, characterized in that the sliding block (9) is fixedly connected with the connecting block (8).

3. An anti-inverted siphon horizontal centrifugal pump according to claim 1, characterized in that a second telescopic sleeve (18) is arranged in the second spring (17).

4. An anti-inverted siphon horizontal centrifugal pump according to claim 1, characterized in that a first telescopic sleeve (16) is arranged in the first spring (14).

5. The anti-inverted siphon horizontal centrifugal pump according to claim 1, characterized in that the first limiting block (15) is matched with the shape of the limiting groove (19).

6. An anti-inverted-siphon horizontal centrifugal pump according to claim 1, characterized in that the feed hole (11) communicates with the first pipe (6) and the through groove (12).