CN218509780U

CN218509780U - Centrifugal pump stainless steel impeller with bearing structure

Info

Publication number: CN218509780U
Application number: CN202222504536.XU
Authority: CN
Inventors: 蒋必瑞
Original assignee: Shanghai Raybon Machinery Group Co ltd
Current assignee: Shanghai Raybon Machinery Group Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-02-21
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a centrifugal pump stainless steel impeller with bearing structure, including base, driving motor, pump case and impeller, the equal fixed connection of pump case and driving motor distributes around just being located the base upper end on the base, and driving motor output fixedly connected with drive pivot, drive pivot tip be located the pump case and with impeller fixed connection, the impeller comprises bottom plate and arc, the bottom plate rear side periphery sets up a set of support column through telescopic machanism, the beneficial effects of the utility model are that: the supporting columns are arranged on the periphery of the impeller, the end parts of the supporting columns are in contact with the inner side wall of the pump shell through the balls, the supporting columns can support the periphery of the impeller when the impeller rotates, large shaking of the impeller in the rotating process is avoided, and the purpose of prolonging the service life can be finally achieved.

Description

Centrifugal pump stainless steel impeller with bearing structure

Technical Field

The utility model relates to a centrifugal pump impeller technical field specifically is a centrifugal pump stainless steel impeller with bearing structure.

Background

The centrifugal pump impeller is arranged in a pump shell of the centrifugal pump and is driven to rotate by the output end of the driving motor, so that centrifugal force is generated, and liquid and gas flow is realized.

The impeller mainly comprises bottom plate and the arc strip on the bottom plate, and wherein the arc strip is located central symmetry and distributes on the bottom plate, nevertheless to the rotation of impeller, just carries out the fixed stay through drive shaft and impeller central point, and the periphery of its impeller does not have any stable support's structure, leads to at the high-speed rotation in-process of impeller, and the periphery has the condition of shake, and long-time shake can increase the loss of impeller to shorten the life of impeller.

A stainless steel impeller for a centrifugal pump with a support structure is designed and produced to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal pump stainless steel impeller with bearing structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a centrifugal pump stainless steel impeller with bearing structure, includes base, driving motor, pump case and impeller, the equal fixed connection of pump case and driving motor distributes around just being located the base upper end in the base upper end, driving motor output fixedly connected with drive pivot, drive pivot tip be located the pump case and with impeller fixed connection, the impeller comprises bottom plate and arc strip, the bottom plate rear side periphery sets up a set of support column through telescopic machanism.

Preferably, telescopic machanism is including flexible groove and flexible piece, flexible groove is seted up in the bottom plate and the position is corresponding with the support column, flexible inslot sliding connection has flexible piece, the support column is located flexible inslot one end fixed connection on flexible piece.

Preferably, the telescopic groove is connected with a bidirectional screw rod in a rotating mode, the bidirectional screw rod is connected with a pair of thread sleeves in a threaded mode, and a connecting rotating rod is arranged between each thread sleeve and the telescopic block.

Preferably, one end of the connecting rotating rod is hinged to the threaded sleeve, and the end, far away from the threaded sleeve, of the connecting rotating rod is hinged to two sides of the telescopic block.

Preferably, the joint of the bidirectional screw rod and the side wall of the telescopic groove is rotationally connected through a bearing, and one end of the outer side of the bidirectional screw rod penetrates through the side wall of the telescopic groove and is fixedly connected with a rotating handle.

Preferably, the support columns are uniformly distributed on the rear side wall of the impeller, the end parts of the support columns are rotatably connected with balls, and the balls are in contact with the inner side wall of the pump shell.

Compared with the prior art, the beneficial effects of the utility model are that: the supporting columns are arranged on the periphery of the impeller, the end parts of the supporting columns are in contact with the inner side wall of the pump shell through the balls, the supporting columns can support the periphery of the impeller when the impeller rotates, large shaking of the impeller in the rotating process is avoided, and the purpose of prolonging the service life can be finally achieved.

Drawings

FIG. 1 is a schematic side sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the impeller of the present invention;

fig. 4 is a schematic view of the appearance structure of the connection between the support pillar and the two-way screw rod of the present invention.

In the figure: 1. a base; 2. a drive motor; 3. a pump housing; 4. an impeller; 41. a base plate; 42. an arc-shaped strip; 5. driving the rotating shaft; 6. a support pillar; 7. a ball bearing; 8. a telescoping mechanism; 81. a telescopic groove; 82. a telescopic block; 83. a bidirectional screw rod; 84. a threaded sleeve; 85. turning a handle; 86. is connected with the rotating rod.

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. 1-4, the present invention provides a technical solution: the utility model provides a centrifugal pump stainless steel impeller with bearing structure, which comprises a base 1, driving motor 2, pump case 3 and impeller 4, pump case 3 and the equal fixed connection of driving motor 2 distribute around just being located base 1 upper end in

base

1, 2 output end fixedly connected with drive pivot 5 of driving motor, 5 tip of drive pivot are located pump case 3 and with 4 fixed connection of impeller, impeller 4 comprises bottom plate 41 and arc strip 42, the periphery of bottom plate 41 rear side sets up a set of support column 6 through telescopic machanism 8, support column 6 is located 4 rear side wall evenly distributed of impeller, 6 tip rotations of support column are connected with ball 7, ball 7 contacts with 3 inside walls of pump case.

The telescopic mechanism 8 comprises a telescopic groove 81 and a telescopic block 82, the telescopic groove 81 is formed in the bottom plate 41 and corresponds to the support column 6 in position, the telescopic groove 81 is connected with the telescopic block 82 in a sliding mode, the support column 6 is located in the telescopic groove 81, one end of the support column 6 is fixedly connected to the telescopic block 82, the telescopic groove 81 is connected with a bidirectional lead screw 83 in a rotating mode, the bidirectional lead screw 83 is connected with a pair of threaded sleeves 84 in a threaded mode, a connecting rotating rod 86 is arranged between the threaded sleeves 84 and the telescopic block 82, one end of the connecting rotating rod 86 is hinged to the threaded sleeves 84, the end, far away from the threaded sleeves 84, of the connecting rotating rod 86 is hinged to two sides of the telescopic block 82, the connecting position of the bidirectional lead screw 83 and the side wall of the telescopic groove 81 is connected in a rotating mode through bearings, one end of the outer side of the bidirectional lead screw 83 penetrates through the side wall of the telescopic groove 81 and is fixedly connected with a rotating handle 85, the bidirectional lead screw 83 is rotated synchronously, finally, the threaded sleeves 84 are located on the bidirectional lead screw 83 and move in the opposite directions, transmission of the connecting rotating rod 86 is utilized, the synchronous sliding of the telescopic block 82 can drive the telescopic block 82 to synchronously slide, and further change the length of the support column 6 extending out of the telescopic groove 81.

Specifically, use the utility model discloses the time, at first connect external power source with whole device, drive pivot 5 and rotate utilizing 2 output ends of driving motor, thereby make impeller 4 carry out synchronous pivoted in-process, ball 7 through the 6 tip of support column offsets with 3 inside walls of pump case, thereby can reduce the outlying shake of impeller 4, avoid impeller 4 because the too big damage that causes of shake, simultaneously when carrying out impeller 4's installation, can utilize and change 85 the rotation, make two-way lead screw 83 carry out synchronous rotation, finally make the thread bush 84 be located two-way lead screw 83 reverse motion simultaneously, recycle the transmission of connecting bull stick 86, can drive flexible piece 82 synchronous slip, thereby change the length that support column 6 stretches out flexible groove 81, guarantee when impeller 4 is located different pump case 3 interior installations, all can make

ball

7 and 3 inside walls of pump case offset, realize the purpose to impeller 4 outlying absorbing.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

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

Claims

1. The utility model provides a centrifugal pump stainless steel impeller with bearing structure, includes base (1), driving motor (2), pump case (3) and impeller (4), its characterized in that, the equal fixed connection of pump case (3) and driving motor (2) just is located base (1) upper end front and back and distributes, driving motor (2) output fixedly connected with drive pivot (5), drive pivot (5) tip be located pump case (3) and with impeller (4) fixed connection, impeller (4) comprise bottom plate (41) and arc strip (42), bottom plate (41) rear side periphery sets up a set of support column (6) through telescopic machanism (8).

2. A centrifugal pump stainless steel impeller with support structure according to claim 1, characterized in that: telescopic machanism (8) are including flexible groove (81) and flexible piece (82), flexible groove (81) are seted up in bottom plate (41) and the position is corresponding with support column (6), sliding connection has flexible piece (82) in flexible groove (81), support column (6) are located flexible groove (81) one end fixed connection on flexible piece (82).

3. A centrifugal pump stainless steel impeller with a support structure according to claim 2, characterized in that: the telescopic groove (81) is connected with a bidirectional screw rod (83) in a rotating mode, the bidirectional screw rod (83) is connected with a pair of thread sleeves (84) in a threaded mode, and a connecting rotating rod (86) is arranged between each thread sleeve (84) and the telescopic block (82).

4. A centrifugal pump stainless steel impeller with support structure according to claim 3, characterized in that: one end of the connecting rotating rod (86) is hinged to the threaded sleeve (84), and the end, far away from the threaded sleeve (84), of the connecting rotating rod (86) is hinged to two sides of the telescopic block (82).

5. A centrifugal pump stainless steel impeller with support structure according to claim 3, characterized in that: the bidirectional screw rod (83) is rotatably connected with the side wall of the telescopic groove (81) through a bearing, and one end of the outer side of the bidirectional screw rod (83) penetrates through the side wall of the telescopic groove (81) and is fixedly connected with a rotating handle (85).

6. A centrifugal pump stainless steel impeller with support structure according to claim 1, characterized in that: the impeller pump is characterized in that the supporting columns (6) are located on the rear side wall of the impeller (4) and are evenly distributed, the end portions of the supporting columns (6) are rotatably connected with balls (7), and the balls (7) are in contact with the inner side wall of the pump shell (3).