CN211975404U

CN211975404U - Self-suction centrifugal pump

Info

Publication number: CN211975404U
Application number: CN202020562036.XU
Authority: CN
Inventors: 卢彩姣; 韩冰
Original assignee: Wuxi Xiangye Technology Co ltd
Current assignee: Wuxi Xiangye Technology Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-11-20
Anticipated expiration: 2030-04-16

Abstract

The utility model belongs to the technical field of centrifugal pumps, in particular to a self-priming centrifugal pump, which comprises a centrifugal pump main body, wherein a bottom plate is fixedly welded on the lower surface of the centrifugal pump main body, a water outlet is fixedly arranged on one side of the bottom plate through a bolt, a water inlet is fixedly arranged on the other end of the centrifugal pump main body through a bolt, an installation head is fixedly arranged at the end part of the water inlet through a bolt, and second chutes are formed in the inner surface of the installation head at equal intervals; through the internal design filter screen at the installation head, and the both ends design second spring at the slider, avoid the centrifugal pump to import and be not convenient for filter easily stifled to the foul when using, the filter screen influences the efficiency of intaking when intaking simultaneously, can filter difficult stifled through the filter screen when intaking, inside water exerts pressure and drives the second spring and take place elastic deformation when filtering, be in the cushioning effect with the slider in the inside of second spout by the second spring this moment, intake through the filter screen is stabilized during intaking, the difficult efficiency of intaking that influences.

Description

Self-suction centrifugal pump

Technical Field

The utility model belongs to the technical field of from inhaling formula centrifugal pump, concretely relates to from inhaling formula centrifugal pump.

Background

The self-priming centrifugal pump is a centrifugal pump with a special structure, has the advantages of convenient use, reliable work and convenient remote centralized control, is particularly suitable for occasions with frequent suction installation and starting, does not need to be filled when being started again except for the pump filling before the first starting, and can automatically pump gas in a suction pipe to normally convey liquid;

the prior art has the following problems:

1. when the centrifugal pump is used, the inlet is inconvenient for filtering dirt and is easy to block, and meanwhile, the filter screen influences the water inlet efficiency when water is fed;

2. the centrifugal pump is easy to rock and unstable after being installed and influences the operation of the centrifugal pump when in use.

In order to solve the problems, the application provides a self-suction type centrifugal pump.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a from inhaling formula centrifugal pump has the centrifugal pump and is imported not convenient for filter easily stifled to the foul when using, and the filter screen influences the efficiency of intaking simultaneously when intaking, and the centrifugal pump easily rocks when using after the installation, and is unstable, influences the characteristics of the operation of centrifugal pump.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from inhaling formula centrifugal pump, includes the centrifugal pump main part, the lower surface welded fastening of centrifugal pump main part has the bottom plate, there is the delivery port one side of bottom plate through bolt fixed mounting, there is the water inlet other end of centrifugal pump main part through bolt fixed mounting, and there is the installation head tip that the water inlet goes out through bolt fixed mounting, the second spout has been seted up to the internal surface equidistance of installation head, the inside intermediate position department of installation head is provided with the filter screen, the surface edge integral type shaping of filter screen has the slider, just the slider embedding the inside of second spout, the both ends of slider with the internal connection department fixed mounting of second spout has the second spring, just the slider with the installation head passes through second spring buffering is connected.

As the utility model relates to a from inhaling preferred of formula centrifugal pump, the surface of bottom plate is provided with the mount pad, the equal welded fastening in inside both ends of mount pad has the slide bar, just the bottom plate with the mount pad passes through slide bar sliding connection, the surface of slide bar is located the both sides of bottom plate all registrate first spring, the lower surface both ends homogeneous style shaping of bottom plate has the sliding pin, first spout has all been seted up to the inside both sides of mount pad, just the lower surface intermediate position department of bottom plate with the intermediate position department of mount pad passes through the sliding pin with first spout sliding connection.

As the utility model relates to a from inhaling preferred of formula centrifugal pump, the sliding pin is the loop configuration, just the sliding pin embedding the inside of first spout.

As the utility model relates to a self-priming centrifugal pump is preferred, the slide bar is the loop configuration, just the slide bar run through in the both sides of bottom plate.

As the utility model relates to a from inhaling preferred of formula centrifugal pump, the mount pad with the bottom plate is the rectangle structure, just the bottom plate embedding the inside of mount pad.

As the utility model relates to a self-priming centrifugal pump is preferred, the filter screen is the loop configuration, just the filter screen with the internal surface structure of installation head is identical.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the internal design filter screen at the installation head, and the both ends design second spring at the slider, avoid the centrifugal pump to import be not convenient for filter easily stifled to the foul when using, the filter screen influences the efficiency of intaking when intaking simultaneously, can filter difficult stifled through the filter screen when intaking, inside water applys pressure and drives the second spring and take place elastic deformation when filtering, be in the cushioning effect with the slider in the inside of second spout by the second spring this moment, intake through the filter screen is stabilized during intaking, the difficult efficiency of intaking that influences, the problem of being not convenient for filter the foul at the water inlet and influence the efficiency of intaking has been solved.

2. Through the outer surface design mount pad at the bottom plate and the first spring of outer surface design at the slide bar, avoid the centrifugal pump to easily rock when using after the installation, it is unstable, influence the operation of centrifugal pump, the device vibrations can drive first spring and take place elastic deformation's effect with the bottom plate at the surface of slide bar and slide at the surface of slide bar when using, with being in the cushioning effect between bottom plate and the mount pad with centrifugal pump main part steady operation, the while is through the inside slip of sliding pin at first spout with the intermediate position department stable connection of bottom plate and mount pad, the unstable problem is easily rocked to the centrifugal pump when having solved the operation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the mounting head and the filter net of the present invention;

FIG. 3 is a schematic top view of the mounting head and the filter net of the present invention;

FIG. 4 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged schematic view of a portion B of FIG. 2 according to the present invention;

in the figure: 1. a centrifugal pump body; 2. a water outlet; 3. a mounting seat; 4. a base plate; 5. a first chute; 6. a slide pin; 7. a water inlet; 8. a mounting head; 9. a filter screen; 10. a slider; 11. a second chute; 12. a first spring; 13. a slide bar; 14. a second spring.

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.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: a self-suction centrifugal pump comprises a centrifugal pump body 1, a bottom plate 4 is fixedly welded on the lower surface of the centrifugal pump body 1, a water outlet 2 is fixedly arranged on one side of the bottom plate 4 through a bolt, a water inlet 7 is fixedly arranged on the other end of the centrifugal pump body 1 through a bolt, an installing head 8 is fixedly arranged at the end part of the water inlet 7 through a bolt, second sliding grooves 11 are formed in the inner surface of the installing head 8 at equal intervals, a filter screen 9 is arranged at the middle position inside the installing head 8, a sliding block 10 is integrally formed at the edge of the outer surface of the filter screen 9 and embedded into the second sliding grooves 11, second springs 14 are fixedly arranged at the two ends of the sliding block 10 and the inner connection part of the second sliding grooves 11, the sliding block 10 and the installing head 8 are in buffer connection through the second springs 14, the filter screen 9 can filter water to prevent blockage, and pressure, at this time, the second spring 14 enables the sliding block 10 to have a buffering effect in the second sliding groove 11, water enters stably through the filter screen 9 during water entering, and water entering efficiency is not easily affected.

Specifically, the surface of bottom plate 4 is provided with mount pad 3, the equal welded fastening in inside both ends of mount pad 3 has slide bar 13, and bottom plate 4 passes through slide bar 13 sliding connection with mount pad 3, slide bar 13's surface is located the both sides of bottom plate 4 and all has registrated first spring 12, the equal style shaping in lower surface both ends homogeneous body of bottom plate 4 has sliding pin 6, first spout 5 has all been seted up to the inside both sides of mount pad 3, and the lower surface intermediate position department of bottom plate 4 and the intermediate position department of mount pad 3 pass through sliding pin 6 and 5 sliding connection of first spout.

In this embodiment, when the centrifugal pump is used, the device vibrates to drive the first spring 12 to elastically deform on the outer surface of the sliding rod 13, so that the bottom plate 4 slides on the outer surface of the sliding rod 13, the space between the bottom plate 4 and the mounting seat 3 is under the damping action, the centrifugal pump body 1 is stably operated, and meanwhile, the bottom plate 4 is stably connected with the middle position of the mounting seat 3 through the sliding pin 6 sliding in the first sliding groove 5.

Specifically, the slide pin 6 has an annular structure, and the slide pin 6 is embedded inside the first sliding groove 5.

In this embodiment, the stable sliding of the bottom plate 4 inside the mounting seat 3 is facilitated by the stable sliding of the slide pin 6 inside the first sliding groove 5.

Specifically, the sliding rod 13 is of an annular structure, and the sliding rod 13 penetrates through two sides of the bottom plate 4.

In this embodiment, the mounting base 3 is movably connected to slide on the outer surface of the slide rod 13 via the bottom plate 4.

Specifically, the mounting seat 3 and the bottom plate 4 are both rectangular structures, and the bottom plate 4 is embedded in the mounting seat 3.

In this embodiment, be convenient for fix mounting device and a certain position department through mount pad 3, be convenient for during the installation be in buffering cushioning effect with bottom plate 4 in the inside of mount pad 3.

Specifically, the filter screen 9 is of an annular structure, and the filter screen 9 is matched with the inner surface structure of the mounting head 8.

In this embodiment, it is convenient to filter dirt through the filter net 9 by being installed inside the mounting head 8 and having a buffering function.

The utility model discloses a theory of operation and use flow: the self-suction centrifugal pump is characterized in that a mounting seat 3 is fixedly mounted at a certain position through bolts before use, a mounting head 8 and the end part of a water inlet 7 are mounted after mounting, the end part of the mounting head 8 is mounted with an external water inlet pipe at the moment, a water outlet 2 is mounted with an external water outlet pipe, water enters the water inlet 7 through the mounting head 8 when the self-suction centrifugal pump is used after mounting, meanwhile, the water is filtered through a filter screen 9 and is not easy to block, the internal water body exerts pressure to drive a second spring 14 to generate elastic deformation during filtering, at the moment, a sliding block 10 is positioned in a buffering effect in a second sliding chute 11 through the second spring 14, water enters stably through the filter screen 9 when water enters, the water inlet efficiency is not easy to influence, then, the self-suction centrifugal pump is stably operated by driving a first spring 12 to slide on the outer surface of a sliding rod 13 under the action of elastic deformation of the outer surface of the sliding rod 13 through vibration of, and meanwhile, the bottom plate 4 is stably connected with the middle position of the mounting seat 3 through the sliding pin 6 sliding in the first sliding chute 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a from inhaling formula centrifugal pump, includes centrifugal pump main part (1), the lower surface welded fastening of centrifugal pump main part (1) has bottom plate (4), there is delivery port (2) one side of bottom plate (4) through bolt fixed mounting, there is water inlet (7), its characterized in that at the other end of centrifugal pump main part (1) through bolt fixed mounting: the tip that water inlet (7) were gone out has installation head (8) through bolt fixed mounting, second spout (11) have been seted up to the internal surface equidistance of installation head (8), the inside intermediate position department of installation head (8) is provided with filter screen (9), the surface edge integral type shaping of filter screen (9) has slider (10), just slider (10) embedding the inside of second spout (11), the both ends of slider (10) with the internal connection department fixed mounting of second spout (11) has second spring (14), just slider (10) with installation head (8) pass through second spring (14) buffering is connected.

2. The self-priming centrifugal pump of claim 1, wherein: the surface of bottom plate (4) is provided with mount pad (3), the equal welded fastening in inside both ends of mount pad (3) has slide bar (13), just bottom plate (4) with mount pad (3) pass through slide bar (13) sliding connection, the surface of slide bar (13) is located the both sides of bottom plate (4) all registrate first spring (12), the lower surface both ends homogeneous body formula shaping of bottom plate (4) has sliding pin (6), first spout (5) have all been seted up to the inside both sides of mount pad (3), just the lower surface intermediate position department of bottom plate (4) with the intermediate position department of mount pad (3) passes through sliding pin (6) with first spout (5) sliding connection.

3. The self-priming centrifugal pump of claim 2, wherein: the sliding pin (6) is of an annular structure, and the sliding pin (6) is embedded in the first sliding groove (5).

4. The self-priming centrifugal pump of claim 2, wherein: the sliding rod (13) is of an annular structure, and the sliding rod (13) penetrates through two sides of the bottom plate (4).

5. The self-priming centrifugal pump of claim 2, wherein: the mounting seat (3) and the bottom plate (4) are both of rectangular structures, and the bottom plate (4) is embedded into the mounting seat (3).

6. The self-priming centrifugal pump of claim 1, wherein: the filter screen (9) is of an annular structure, and the filter screen (9) is matched with the inner surface structure of the mounting head (8).