CN215949964U

CN215949964U - Anticreep high stable centrifugal pump

Info

Publication number: CN215949964U
Application number: CN202122508214.8U
Authority: CN
Inventors: 高育志; 高洁; 高悦
Original assignee: Taizhou Sanying Pump Co ltd
Current assignee: Taizhou Sanying Pump Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-03-04
Anticipated expiration: 2031-10-18

Abstract

The utility model provides an anti-drop high-stability centrifugal pump, and belongs to the technical field of water pumps. It has solved the simple installation of current centrifugal pump filtration, drops easily, influences the problem of filter effect. This anticreep high stable centrifugal pump, including the pump body that has the input, set up the filter equipment who has filtering capability in the input, filter equipment is by the filter screen that the interval set up around a plurality of and a skeleton that is used for fixed above-mentioned filter screen, a plurality of filter screen body coupling is in the skeleton, be equipped with in the input and compress tightly spacing stop collar to the skeleton, it supports radially supporting that supports to lean on the step to have the interior end limit position of confession stop collar on the internal perisporium of input, the inner of stop collar is formed with the holding ring towards skeleton direction axial extension, the holding ring supports and has the interval between the step with radially supporting. The utility model has the advantages of stable filtering structure, difficult falling of the filtering structure and good filtering effect.

Description

Anticreep high stable centrifugal pump

Technical Field

The utility model belongs to the technical field of water pumps, relates to a centrifugal pump, and particularly relates to an anti-falling high-stability centrifugal pump.

Background

The centrifugal pump is designed according to the centrifugal force principle, and impeller blades rotating at high speed drive water to rotate and throw the water out, so that the purpose of conveying is achieved. The traditional centrifugal pump has no structure for filtering water, so that the water contains a large amount of impurities, and the impurities can damage the impeller and cause abrasion of parts of the centrifugal pump. The filter screen with a simple structure is arranged at the input end of the existing centrifugal pump, and although a certain filtering effect can be achieved, the filter screen is simple in structure and installation structure, and is easy to fall off under the stamping of water flow, so that the filtering effect can be influenced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides an anti-falling high-stability centrifugal pump which is stable in filtering structure, not easy to fall off in the filtering structure and good in filtering effect.

The purpose of the utility model can be realized by the following technical scheme: an anti-drop high-stability centrifugal pump comprises a pump body with an input end, and is characterized in that a filtering device with a filtering function is arranged in the input end, the filtering device comprises a plurality of filter screens arranged at intervals in the front and at the back and a framework used for fixing the filter screens, the filter screens are integrally connected in the framework, a limiting sleeve for compressing and limiting the framework is arranged in the input end, a radial abutting step for limiting and abutting the inner end of the limiting sleeve is arranged on the inner peripheral wall of the input end, a positioning ring is axially extended towards the direction of the framework at the inner end of the limiting sleeve and is formed at the inner end of the limiting sleeve, a space is formed between the positioning ring and the radial abutting step, an extension ring extending towards the inside of the space is arranged at the outer end of the framework, a convex ring protruding towards the inside of the space is arranged on the inner end of the limiting sleeve and radially abutting against the step, and an annular groove is formed on the outer end surface of the convex ring, the tip that radially supports to lean on the step has radial evagination and stretches into annular groove in with annular groove looks joint annular card protruding, extend and have on the ring outer end perisporium and support the portion of supporting with the annular that the bulge loop inner wall offseted and lean on, annular support portion and radially support to be equipped with between the step and support and lean on the spring, the input be fixed external to have the flange, the flange inner stretch into in the port of input and support and lean on in the stop collar.

In foretell anticreep high stable centrifugal pump, annular groove's longitudinal section from inside to outside be horizontal straight section, curved surface section and slope section respectively, the protruding longitudinal section of annular card is horizontal straight portion, arc portion and slope portion from outside to inside.

In the anti-drop high-stability centrifugal pump, the outer wall of the annular clamping protrusion is wrapped by an elastic wrapping layer rich in elasticity.

In the above anti-drop high-stability centrifugal pump, the inner peripheral wall of the stop collar near the outer end thereof is provided with a drop outlet.

In the above anti-drop high-stability centrifugal pump, the number of the filter screens is three.

Compared with the prior art, this anticreep high stable centrifugal pump has following advantage:

1. the filter device is additionally arranged, water flow can be filtered, impurities are prevented from entering the pump body to generate collision and abrasion on parts in the pump body, and the filter device is provided with a plurality of layers of filter screens, so that the filter effect is greatly improved;

2. install additional and carry out effective spacing limit structure to filter equipment, prevent that filter equipment from droing and exert an influence to the filter effect to filter equipment and limit structure are connected at the inside no thread formula that adopts of the pump body, consequently can not produce the problem that the screw thread corrosion influences joint strength, have spacing effectual, the stable advantage of assembling of filter equipment.

Drawings

Fig. 1 is a front view structure schematic diagram of the anti-dropping high-stability centrifugal pump.

Fig. 2 is a partial sectional structural view of the input terminal.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

In the figure, 1, input end; 2. a pump body; 3. filtering with a screen; 4. a framework; 5. a limiting sleeve; 6. a radial abutment step; 7. a positioning ring; 8. an extension ring; 9. a convex ring; 10. an annular groove; 11. the annular clamping bulge; 12. an annular abutment; 13. an abutment spring; 14. a flange; 15. a transverse straight portion; 16. an arc-shaped portion; 17. an inclined portion; 18. and (4) a removal port.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the anti-drop high-stability centrifugal pump comprises a pump body 2 having an input end 1, a filtering device having a filtering function is arranged in the input end 1, the filtering device comprises a plurality of filter screens 3 arranged at intervals in front and back and a framework 4 for fixing the filter screens 3, the plurality of filter screens 3 are integrally connected in the framework 4, a limiting sleeve 5 for compressing and limiting the framework 4 is arranged in the input end 1, a radial abutting step 6 for limiting and abutting against the inner end of the limiting sleeve 5 is arranged on the inner peripheral wall of the input end 1, a positioning ring 7 is axially extended towards the framework 4 direction at the inner end of the limiting sleeve 5, a gap is arranged between the positioning ring 7 and the radial abutting step 6, an extension ring 8 extending towards the inside of the gap is arranged at the outer end of the framework 4, a convex ring 9 protruding towards the step 6 is arranged at the inner end of the limiting sleeve 5 and radially abutting against the step 6, an annular groove 10 is arranged on the outer end surface of the convex ring 9, the end part of the radial abutting step 6 is provided with an annular clamping bulge 11 which radially protrudes outwards and extends into the annular groove 10 and is clamped with the annular groove 10, the peripheral wall of the outer end of the extension ring 8 is provided with an annular abutting part 12 abutting against the inner wall of the convex ring 9, in order to improve the mounting stability of the framework 4, an abutting spring 13 is arranged between the annular abutting part 12 and the radial abutting step 6, the input end 1 is fixedly externally connected with a flange 14, the inner end of the flange 14 extends into the port of the input end 1 and abuts against the limiting sleeve 5, during mounting, the abutting spring 13 is arranged outside the extension ring 8, one end of the abutting spring is connected with the end part of the annular abutting part 12, the framework 4 slides into the limiting sleeve 5, the annular abutting part 12 enters between the convex ring 9 and the positioning ring 7, after assembly, the filtering device and the limiting sleeve 5 are arranged in the input end 1, the annular clamping bulge 11 is clamped in the annular groove 10 to form fixation, and then extends into the flange 14, the inner end of the flange 14 abuts against the outer end of the limiting sleeve 5, the flange 14 and the input end 1 are locked, and installation is completed.

Preferably, in the present embodiment, there are three filter screens 3.

Further saying, the longitudinal section from interior to exterior of annular groove 10 is the violently straight section respectively, curved surface section and slope section, in order to improve the intensity that annular card 11 is connected, the longitudinal section of annular card 11 is from exterior to interior is violently straight portion 15, arc portion 16 and rake 17, the protruding 11 outer wall parcel of annular card has the elastic wrapping layer that the one deck is rich in, the protruding 11 joint of annular card is in annular groove 10, because the setting on elastic wrapping layer, consequently at the joint in-process, violently straight portion 15, arc portion 16 and rake 17 are under elastic deformation's effect, the violently straight section is blocked respectively to the card, curved surface section and slope section, reach fixed effect, can effectively prevent droing of skeleton 4 spacing on stop collar 5.

Further saying, stop collar 5 has on being close to the internal perisporium of its tip department and takes off 18, when needs dismantle stop collar 5 and filter equipment, utilizes the instrument to stretch into and takes off 18, and the outside pulling again can drop stop collar 5 of joint, and then makes filter equipment drop to wash filter screen 3.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides an anticreep high stable centrifugal pump, includes the pump body (2) that has input (1), its characterized in that, input (1) in set up the filter equipment that has filtering capability, filter equipment filter screen (3) and one skeleton (4) that are used for fixed above-mentioned filter screen (3) that set up by interval around a plurality of, a plurality of filter screen (3) an organic whole is connected in skeleton (4), input (1) in be equipped with and compress tightly spacing stop collar (5) to skeleton (4), have on the internal perisporium of input (1) and supply the radial of spacing butt of stop collar (5) inner to lean on step (6), stop collar (5) inner towards skeleton (4) direction axial extension be formed with holding ring (7), holding ring (7) and radial butt have the interval between step (6), skeleton (4) outer end have towards the extension ring (8) of the inside extension of interval, the utility model discloses a spacing cover, including spacing cover (5), the tip of spacing cover (5) on the tip and radially support to have evagination bulge loop (9) between step (6), bulge loop (9) outer terminal surface set up with have annular groove (10), the tip that radially supports to step (6) has radial evagination and stretches into annular groove (10) in with annular groove (10) looks joint annular card protruding (11), extend ring (8) outer end perisporium have with bulge loop (9) inner wall counterbalance annular support portion (12) that lean on, annular support portion (12) and radially support to be equipped with between step (6) and support and lean on spring (13), input (1) fixed external flange (14) have, flange (14) inner stretch into the port of input (1) and support and lean on spacing cover (5).

2. The anti-drop high-stability centrifugal pump according to claim 1, wherein the longitudinal section of the annular groove (10) is a horizontal straight section, a curved section and an inclined section from inside to outside, and the longitudinal section of the annular clamping protrusion (11) is a horizontal straight part (15), an arc part (16) and an inclined part (17) from outside to inside.

3. The anti-drop high-stability centrifugal pump according to claim 1, wherein the outer wall of the annular clamping projection (11) is wrapped with an elastic wrapping layer rich in elasticity.

4. The centrifugal pump according to claim 1, wherein the inner peripheral wall of the stop collar (5) near its outer end has a relief opening (18).

5. The anti-drop high-stability centrifugal pump according to claim 1, wherein the number of the filter screens (3) is three.