CN215719844U - Horizontal axial-flow circulating water pump with dustproof structure - Google Patents

Abstract

The utility model discloses a horizontal axial-flow circulating water pump with a dustproof structure, which comprises a pump body, a main shaft, an impeller and a dustproof assembly, wherein the dustproof assembly is installed at the water inlet end of the pump body and comprises a flange ring, an expansion cover, a split ring and a dustproof cover; wherein dustproof subassembly can prevent effectively that the debris of aquatic from invading the water pump, whole dustproof subassembly passes through flange and screw assembly in one side of the pump body, such setting is not only firm while the dismouting comparatively convenient, the split ring is connected to the one end that the expansion cover diameter is big, the shield is connected through screw-thread fit's mode to the split ring, the dismouting and the maintenance of being convenient for like this, wherein the separation net is used for preventing dust and preventing debris, the carriage avoids the separation net to take place deformation and damage under the suction effect that water pump and debris caused, spacing buckle is used for spacingly, when needing to overhaul carriage and separation net, only need to twist off the cover, unusual convenience.

Description

Horizontal axial-flow circulating water pump with dustproof structure

Technical Field

The utility model relates to the technical field of axial flow water pumps, in particular to a horizontal axial flow circulating water pump with a dustproof structure.

Background

The axial flow pump is a pump for conveying liquid in the axial direction by the action force of the blades of the rotating impeller on the liquid, and there are vertical, horizontal, inclined and through-flow pumps. The axial-flow pump is mainly suitable for low-lift and large-flow occasions, such as irrigation, waterlogging drainage, dock drainage and water level adjustment of a canal lock, or is used as a large-scale circulating water pump of a power plant. The axial flow pump with higher lift (made into two stages if necessary) can be used for water jet propulsion of shallow water ships. Axial flow pumps are generally vertical, with the impeller submerged under water, and also horizontal or diagonal axial flow pumps. The horizontal axial-flow circulating water pump can be used in water areas with severe environment, the horizontal axial-flow circulating water pump inevitably sucks sundries and dust when working, durability of parts in the pump is affected, meanwhile, sundries sucked at high speed can be directly used for parts in a spinal cord pump, and therefore, a dustproof structure is feasible to be installed at a pump opening. But current horizontal axial compressor circulating water pump dustproof construction generally adopts fixed connection, is unfavorable for subsequent maintenance like this, and its dustproof construction dust screen part does not have the enhancement of adaptability simultaneously, just needs to change whole dustproof construction when appearing the damage, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a horizontal axial-flow circulating water pump with a dustproof structure, which has the advantages of convenience in disassembly and assembly, convenience in maintenance and repair, and capability of ensuring reliability due to the arrangement of a supporting frame and an isolation net, and can solve the problems in the prior art.

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

the utility model provides a horizontal axial compressor circulating water pump with dustproof construction, includes the pump body, main shaft, impeller and dustproof subassembly, the main shaft is connected through its inboard bearing to the pump body, and the impeller is installed to the one end of main shaft, and the impeller is connected with the inner wall contact of the pump body, and dustproof subassembly is installed to the end of intaking of the pump body, dustproof subassembly includes flange ring, expansion cover, split ring and shield, and the flange ring passes through the end of intaking of the screw connection pump body, and the flange ring is connected with the one end of expansion cover, and the other end and the split ring fixed connection of expansion cover, the shield is connected through screw-thread fit's mode to the split ring.

Preferably, the dustproof cover comprises a rotary sleeve, a support frame and an isolation net, the rotary sleeve is connected with the split ring in a matched mode through threads on the inner wall of the rotary sleeve, the edge of the inner wall of the rotary sleeve is connected with the support frame in a contact mode, and the isolation net is installed on the outer side of the support frame.

Preferably, the supporting frame is in contact connection with the end wall of the split ring, and the supporting frame is composed of a cross-shaped bracket and three coaxial circular rings.

Preferably, a limit retaining ring is installed at the edge of one side of the rotary sleeve, and the rotary sleeve is connected with the supporting frame through the limit retaining ring.

Preferably, the end with the large diameter of the expansion cover is connected with the split ring.

Compared with the prior art, the utility model has the following beneficial effects:

this horizontal axial compressor circulating water pump with dustproof construction, dustproof subassembly is installed to the end of intaking of the pump body, dustproof subassembly can prevent effectively that the debris of aquatic from invading the water pump, whole dustproof subassembly passes through flange and screw assembly in one side of the pump body, such setting is not only firm comparatively convenient of dismouting simultaneously, the split ring is connected to the one end that the expansion cover diameter is big, the shield is connected through screw-thread fit's mode to the split ring, the dismouting and the maintenance of being convenient for like this, wherein the spacer screen is used for preventing dust and debris, the carriage avoids the spacer screen to take place deformation and damage under the suction effect that water pump and debris caused, spacing buckle is used for spacingly, when needing to overhaul carriage and spacer screen, only need twist off the swivel nut, unusual convenience.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of the dust-proof assembly of the present invention;

FIG. 4 is an enlarged view of the structure at A of the present invention;

fig. 5 is a schematic structural diagram of the support frame of the present invention.

In the figure: 1. a pump body; 2. a main shaft; 3. an impeller; 4. a dust-proof assembly; 41. a flange ring; 42. an expansion cover; 43. a split ring; 44. a dust cover; 441. screwing a sleeve; 442. a support frame; 443. an isolation net; 444. a limit retaining ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a horizontal axial-flow circulating water pump with a dustproof structure comprises a pump body 1, a main shaft 2, an impeller 3 and a dustproof assembly 4, wherein the pump body 1 is connected with the main shaft 2 through a bearing at the inner side of the pump body, the impeller 3 is installed at one end of the main shaft 2, the main shaft 2 rotates at a high speed under the driving of external force, the impeller 3 is driven by the rotating main shaft 2, the impeller 3 is in contact connection with the inner wall of the pump body 1, the dustproof assembly 4 is installed at the water inlet end of the pump body 1, the dustproof assembly 4 can effectively prevent impurities in water from invading into the water pump to cause damage to parts in the pump, the dustproof assembly 4 comprises a flange ring 41, an expansion cover 42, a split ring 43 and a dustproof cover 44, the flange ring 41 is connected with the water inlet end of the pump body 1 through screws, namely, the whole dustproof assembly 4 is assembled on one side of the pump body 1 through flanges and screws, the arrangement is firm and convenient to assemble and disassemble, the flange ring 41 is connected with one end of the expansion cover 42, the other end and the split ring 43 fixed connection of expansion cover 42, wherein split ring 43 is connected to the one end that expansion cover 42 diameter is big, and split ring 43 passes through screw-thread fit's mode and connects shield 44, and shield 44 easy dismounting is convenient for the adaptability maintenance.

The dust cover 44 comprises a rotary sleeve 441, a supporting frame 442 and an isolation net 443, wherein the rotary sleeve 441 is in matched connection with the split ring 43 through threads on the inner wall of the rotary sleeve 441, so that the rotary sleeve 441 is convenient to detach, the edge of the inner wall of the rotary sleeve 441 is in contact connection with the supporting frame 442, the isolation net 443 is installed on the outer side of the supporting frame 442, wherein the isolation net 443 is used for preventing dust and impurities, the supporting frame 442 supports the isolation net 443, the supporting frame 442 prevents the isolation net 443 from being deformed and damaged under the action of suction force caused by a water pump and the impurities, the supporting frame 442 is in contact connection with the end wall of the split ring 43, the supporting frame 442 is composed of a cross bracket and three concentric rings, and the supporting frame 442 formed in this way is high in strength and does not influence the normal flow of water flow.

The limit retaining ring 444 is installed at one side edge of the rotating sleeve 441, the rotating sleeve 441 is connected with the supporting frame 442 through the limit retaining ring 444, so that the whole supporting frame 442 and the isolation net 443 can be retained by the limit retaining ring 444, and when the supporting frame 442 and the isolation net 443 need to be overhauled, the rotating sleeve 441 only needs to be screwed off, and great convenience is achieved.

This horizontal axial compressor circulating water pump with dustproof construction, dustproof subassembly 4 is installed to the end of intaking of the pump body 1, dustproof subassembly 4 can effectively prevent the debris invasion water pump of aquatic, dustproof subassembly 4 includes flange ring 41, expand the cover 42, split ring 43 and shield 44, flange ring 41 passes through the end of intaking of the screw connection pump body 1, whole dustproof subassembly 4 passes through flange and screw assembly in one side of the pump body 1 promptly, such setting is not only firm dismouting comparatively convenient simultaneously, split ring 43 is connected to the one end that the expansion cover 42 diameter is big, shield 44 is connected through screw-thread fit's mode to split ring 43, shield 44 easy dismounting, the adaptability of being convenient for overhauls. The dust cover 44 comprises a rotary sleeve 441, a supporting frame 442 and an isolation net 443, wherein the rotary sleeve 441 is in fit connection with the split ring 43 through threads on the inner wall of the rotary sleeve 441, so that the rotary sleeve 441 is convenient to detach, the isolation net 443 is used for preventing dust and impurities, the supporting frame 442 supports the isolation net 443, the supporting frame 442 prevents the isolation net 443 from being deformed and damaged under the suction effect caused by a water pump and the impurities, meanwhile, a limit retaining ring 444 is installed on one side edge of the rotary sleeve 441, the rotary sleeve 441 is connected with the supporting frame 442 through the limit retaining ring 444, so that the whole supporting frame 442 and the isolation net 443 can be retained by the limit retaining ring 444, when the supporting frame 442 and the isolation net 443 need to be overhauled, only the rotary sleeve 441 needs to be unscrewed, and the operation is very convenient.

In summary, the following steps: this horizontal axial compressor circulating water pump with dustproof construction, dustproof subassembly 4 is installed to the end of intaking of the pump body 1, dustproof subassembly 4 can prevent effectively that the debris of aquatic from invading the water pump, whole dustproof subassembly 4 passes through flange and screw assembly in one side of the pump body 1, such setting is firm simultaneously the dismouting comparatively convenient not only, split ring 43 is connected to the one end that the expansion cover 42 diameter is big, split ring 43 passes through screw-thread fit's mode and connects shield 44, the dismouting and maintenance of being convenient for like this, wherein spacer screen 443 is used for preventing dust and debris, carriage 442 avoids spacer screen 443 to take place deformation and damage under the suction effect that water pump and debris caused, spacing buckle 444 is used for spacingly, when carriage 442 and spacer screen 443 need be overhauld, only need twist off swivel sleeve 441, unusual convenience.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a horizontal axial compressor circulating water pump with dustproof construction, includes the pump body (1), main shaft (2), impeller (3) and dustproof subassembly (4), its characterized in that: the pump body (1) is connected with the main shaft (2) through the bearing on the inner side of the pump body, the impeller (3) is installed at one end of the main shaft (2), the impeller (3) is in contact connection with the inner wall of the pump body (1), the dustproof assembly (4) is installed at the water inlet end of the pump body (1), the dustproof assembly (4) comprises a flange ring (41), an expansion cover (42), a split ring (43) and a dustproof cover (44), the flange ring (41) is connected with the water inlet end of the pump body (1) through a screw, the flange ring (41) is connected with one end of the expansion cover (42), the other end of the expansion cover (42) is fixedly connected with the split ring (43), and the dustproof cover (44) is connected with the split ring (43) in a thread fit mode.

2. The horizontal axial-flow circulating water pump with the dustproof structure as claimed in claim 1, wherein: the dustproof cover (44) comprises a rotary sleeve (441), a support frame (442) and an isolation net (443), the rotary sleeve (441) is matched and connected with the split ring (43) through threads on the inner wall of the rotary sleeve, the edge of the inner wall of the rotary sleeve (441) is in contact connection with the support frame (442), and the isolation net (443) is installed on the outer side of the support frame (442).

3. The horizontal axial-flow circulating water pump with the dustproof structure as claimed in claim 2, wherein: the supporting frame (442) is in contact connection with the end wall of the split ring (43), and the supporting frame (442) is composed of a cross bracket and three concentric circular rings.

4. The horizontal axial-flow circulating water pump with the dustproof structure as claimed in claim 2, wherein: a limiting retaining ring (444) is installed at the edge of one side of the rotary sleeve (441), and the rotary sleeve (441) is connected with the supporting frame (442) through the limiting retaining ring (444).

5. The horizontal axial-flow circulating water pump with the dustproof structure as claimed in claim 1, wherein: the end of the expansion cover (42) with large diameter is connected with a split ring (43).

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