CN219529297U

CN219529297U - Gear pump power input device

Info

Publication number: CN219529297U
Application number: CN202223558075.0U
Authority: CN
Inventors: 郭兆洋; 晋会召; 李喜苏; 金善斌; 金兴杨; 侯佳星; 陶莹莹
Original assignee: Luoyang Jingshan Machinery Manufacturing Co ltd
Current assignee: Luoyang Jingshan Machinery Manufacturing Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-08-15
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of gear pumps, in particular to a gear pump power input device which comprises a pump body, wherein a driving end of the pump body is connected with an input shaft, and a protection assembly is arranged on the outer surface of the side end of the input shaft; the protection component comprises an upper shell and a lower shell, the upper shell and the lower shell are connected with a flange at one end of the pump body, semicircular fixing rings are connected to the inner walls of the upper shell and the lower shell, balls are embedded into the inner walls of the semicircular fixing rings, a U-shaped pin is connected to the outer surface of the side end of the upper shell, the protection component is arranged in the gear pump power input device, the U-shaped pin on the upper shell in the protection component is inserted into a clamping seat on the lower shell, and then the U-shaped pin and the clamping seat are fixed by installing a fixing bolt.

Description

Gear pump power input device

Technical Field

The utility model relates to the technical field of gear pumps, in particular to a gear pump power input device.

Background

The gear pump is a rotary pump which conveys liquid or pressurizes the liquid by means of the change and movement of working volume formed between a pump cylinder and an engaged gear, and two closed spaces formed by two gears, a pump body and a front cover and a rear cover are formed.

The existing published patent power input device (application number: 202221656777. X) can isolate the input shaft from the outside to a certain extent by welding an integrally arranged protective cover on one side of the pump body, so that the problems of external force collision damage and the like caused by direct naked assembly of the input shaft are solved, the service life of the gear pump is effectively prolonged, the gear pump is directly connected with an external motor through a coupler, the gear pump is simpler to install, and finally, a certain auxiliary supporting effect is achieved on rotation of the input shaft by arranging a supporting ring, an annular groove, balls, a limiting ring and a through hole, and the input shaft is prevented from bending and the like;

however, the shield and the pump body are welded integrally, so that the assembly of the shield or the assembly of the pump body and the input shaft is inconvenient, and the input shaft is inconvenient to overhaul or replace at a later stage.

There is therefore a need for a gear pump power input device that ameliorates the above-described problems.

Disclosure of Invention

The utility model aims to provide a gear pump power input device, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the gear pump power input device comprises a pump body, wherein the driving end of the pump body is connected with an input shaft, and a protection assembly is arranged on the outer surface of the side end of the input shaft;

the protection assembly comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are connected with flanges at one end of the pump body, semicircular fixing rings are connected to the inner walls of the upper shell and the lower shell, balls are embedded into the inner walls of the semicircular fixing rings, U-shaped pins are connected to the outer surfaces of the side ends of the upper shell, clamping seats are connected to the outer surfaces of the side ends of the lower shell corresponding to the U-shaped pins, and fixing bolts are arranged on the outer surfaces of the side ends of the clamping seats.

As a preferable scheme of the utility model, the upper shell and the lower shell are fixedly connected with the pump body through flanges and bolts, and the semicircular fixing rings are fixedly welded with the upper shell and the lower shell.

As a preferable scheme of the utility model, the balls are connected with the input shaft in a rolling way, and the number of the semicircular fixing rings is a plurality of groups and is arranged in an array.

As a preferable scheme of the utility model, the U-shaped pin and the upper shell are fixedly welded, and the clamping seat and the lower shell are fixedly welded.

As the preferable scheme of the utility model, the number of the U-shaped pins and the clamping seats are two, the U-shaped pins and the clamping seats are symmetrically distributed, the connection modes of the fixing bolts, the upper shell and the clamping seats are in threaded connection, and the connection modes of the U-shaped pins and the clamping seats are in plug connection.

In a preferred scheme of the utility model, the input shaft is connected with the pump body in a rotating way, and the end part of the input shaft is connected with a coupler.

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

1. according to the gear pump power input device, the protection component is arranged in the gear pump power input device, the U-shaped pin on the upper shell in the protection component is inserted into the clamping seat on the lower shell, the U-shaped pin and the clamping seat are fixed by the mounting fixing bolt, and finally the upper shell is fixed to the pump body through the flange and the bolt, so that the protection component can be disassembled and assembled, the input shaft and the pump body are convenient to assemble, and the input shaft is convenient to overhaul in the later period.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of a protective assembly according to the present utility model;

fig. 4 is a split perspective view of the protective assembly of the present utility model.

In the figure: 1. a pump body; 2. an input shaft; 3. a protective assembly; 301. an upper housing; 302. a lower housing; 303. a flange; 304. a semicircular fixing ring; 305. a ball; 306. a U-shaped pin; 307. a clamping seat; 308. and (5) fixing bolts.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any creative effort based on the embodiments in the present utility model are all within the protection scope of the present utility model.

In order to facilitate an understanding of the utility model, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to another element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including one or more of the relevant listed items and all combinations thereof.

Referring to fig. 1-4, the present utility model provides a technical solution:

the gear pump power input device comprises a pump body 1, wherein the driving end of the pump body 1 is connected with an input shaft 2, and a protection component 3 is arranged on the outer surface of the side end of the input shaft 2; the input shaft 2 is connected with the pump body 1 in a rotating way, and the end part of the input shaft 2 is connected with a coupler; in the process of the rotation operation of the input shaft 2, the upper shell 301 and the lower shell 302 both play a role in supporting and limiting the rotation of the input shaft 2 in an auxiliary mode through the semicircular fixing rings 304 and the balls 305, and therefore the situation that the input shaft 2 is bent can be effectively avoided.

In this embodiment, referring to fig. 3 and 4, the protection assembly 3 includes an upper housing 301 and a lower housing 302, one end of the upper housing 301 and one end of the lower housing 302, which are connected with the pump body 1, are connected with flanges 303, the inner walls of the upper housing 301 and the lower housing 302 are connected with semicircular fixing rings 304, balls 305 are embedded on the inner walls of the semicircular fixing rings 304, the outer surface of the side end of the upper housing 301 is connected with a U-shaped pin 306, a clamping seat 307 is connected to the outer surface of the side end of the lower housing 302 corresponding to the U-shaped pin 306, and a fixing bolt 308 is installed on the outer surface of the side end of the clamping seat 307; the upper shell 301 and the lower shell 302 are fixedly connected with the pump body 1 through flanges 303 and bolts, and the semicircular fixing rings 304 are fixedly welded with the upper shell 301 and the lower shell 302; the balls 305 are connected with the input shaft 2 in a rolling way, the number of the semicircular fixing rings 304 is a plurality of groups, and the balls 305 are arranged in an array, so that the friction force between the balls 305 and the input shaft 2 can be reduced; the U-shaped pin 306 is fixedly welded with the upper shell 301, and the clamping seat 307 is fixedly welded with the lower shell 302; the number of the U-shaped pins 306 and the clamping seats 307 are two, the U-shaped pins 306 and the clamping seats 307 are symmetrically arranged, the connection modes of the fixing bolts 308, the upper shell 301 and the clamping seats 307 are in threaded connection, and the connection modes of the U-shaped pins 306 and the clamping seats 307 are in plug connection; the lower shell 302 is fixed to the pump body 1 through the flange 303 and bolts, the U-shaped pin 306 on the upper shell 301 is inserted into the clamping seat 307 on the lower shell 302, the U-shaped pin 306 and the clamping seat 307 are fixed through the mounting fixing bolts 308, finally the upper shell 301 is fixed to the pump body 1 through the flange 303 and bolts, and the protection assembly 3 can be disassembled and assembled, so that the input shaft 2 and the pump body 1 are convenient to assemble, and the input shaft 2 is convenient to overhaul in the later period.

The working flow of the utility model is as follows: when the gear pump power input device designed in the scheme is assembled, the lower shell 302 is fixed to the pump body 1 through the flange 303 and the bolts, under the condition that the connection mode between the U-shaped pin 306 and the clamping seat 307 is plug connection, the U-shaped pin 306 on the upper shell 301 is inserted into the clamping seat 307 on the lower shell 302, under the condition that the connection mode between the fixing bolts 308 and the upper shell 301 and the clamping seat 307 is threaded connection, the U-shaped pin 306 and the clamping seat 307 are fixed through the fixing bolts 308, finally, the upper shell 301 is fixed to the pump body 1 through the flange 303 and the bolts, and the protection component 3 can be disassembled and assembled, so that the input shaft 2 and the pump body 1 are convenient to assemble, the input shaft 2 is convenient to overhaul in the later period, and the rotation of the input shaft 2 is supported and limited by the upper shell 301 and the lower shell 302 through the semicircular fixing rings 304 and the balls 305 in the rotation process of the input shaft 2, so that the situation that the input shaft 2 is bent can be effectively avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein 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

1. The utility model provides a gear pump power input device, includes the pump body (1), its characterized in that: the driving end of the pump body (1) is connected with an input shaft (2), and a protection assembly (3) is arranged on the outer surface of the side end of the input shaft (2);

the protection component (3) comprises an upper shell (301) and a lower shell (302), wherein one end, connected with a pump body (1), of the upper shell (301) and the lower shell (302) is connected with a flange (303), a semicircular fixing ring (304) is connected to the inner walls of the upper shell (301) and the lower shell (302), balls (305) are embedded into the inner walls of the semicircular fixing ring (304), a U-shaped pin (306) is connected to the outer surface of the side end of the upper shell (301), a clamping seat (307) is connected to the corresponding U-shaped pin (306) of the outer surface of the side end of the lower shell (302), and a fixing bolt (308) is mounted on the outer surface of the side end of the clamping seat (307).

2. A gear pump power input device as claimed in claim 1, wherein: the upper shell (301) and the lower shell (302) are fixedly connected with the pump body (1) through flanges (303) and bolts, and the semicircular fixing rings (304) are fixedly welded with the upper shell (301) and the lower shell (302) in a connecting mode.

3. A gear pump power input device as claimed in claim 1, wherein: the balls (305) are connected with the input shaft (2) in a rolling way, and the number of the semicircular fixing rings (304) is a plurality of groups and are arranged in an array.

4. A gear pump power input device as claimed in claim 1, wherein: the U-shaped pin (306) is fixedly welded with the upper shell (301), and the clamping seat (307) is fixedly welded with the lower shell (302).

5. A gear pump power input device as claimed in claim 1, wherein: the U-shaped pins (306) and the clamping seats (307) are symmetrically distributed, the fixing bolts (308) are connected with the upper shell (301) and the clamping seats (307) in a threaded mode, and the U-shaped pins (306) are connected with the clamping seats (307) in a plug-in connection mode.

6. A gear pump power input device as claimed in claim 1, wherein: the input shaft (2) is connected with the pump body (1) in a rotating way, and the end part of the input shaft (2) is connected with a coupler.