CN221322819U

CN221322819U - Vertical pump shaft sleeve locking structure

Info

Publication number: CN221322819U
Application number: CN202323035248.5U
Authority: CN
Inventors: 王新新; 唐传军; 唐国昌
Original assignee: Dalian Junshun Machinery Equipment Co ltd
Current assignee: Dalian Junshun Machinery Equipment Co ltd
Filing date: 2023-11-10
Publication date: 2024-07-12
Anticipated expiration: 2033-11-10

Abstract

The utility model discloses a shaft sleeve locking structure of a vertical pump, which belongs to the technical field of vertical pumps and comprises a shell, wherein a pump body is arranged on the side edge of the shell, a top shell is arranged at the upper end of the shell, a fixed disc is arranged at the joint of the top shell and the shell, two groups of fixed discs are fixedly connected through bolts, a pump shaft is arranged in the shell, and an external pipeline is arranged at the lower end of the pump body.

Description

Vertical pump shaft sleeve locking structure

Technical Field

The utility model belongs to the technical field of vertical pumps, and particularly relates to a shaft sleeve locking structure of a vertical pump.

Background

The mounting and fixing mode of the vertical pump shaft sleeve is as follows: the shaft sleeve is sleeved on the shaft from bottom to top, the impeller is arranged on the shaft and abuts against the dead shaft sleeve, and the impeller lock nut is fixed on the shaft through threaded connection, so that the impeller and the shaft sleeve are prevented from falling off.

The Chinese patent application number 201521014036.1 discloses a shaft sleeve locking structure of a vertical pump, which comprises an impeller, a pump shaft, a shaft sleeve and a shaft sleeve locking nut; a threaded section is processed on the side wall of the lower end of the pump shaft, a threaded connecting hole is formed in the center of the rear end of the impeller, and an annular abdication groove is processed at the mouth of the threaded connecting hole in the center of the rear end of the impeller; the shaft sleeve is sleeved above the threaded section of the lower end of the pump shaft from bottom to top, the shaft sleeve locking nut is in threaded connection with the upper section of the threaded section of the lower end of the pump shaft, the rear end of the impeller is in threaded connection with the lower section of the threaded section of the lower end of the pump shaft, and the rear end face of the impeller tightly abuts against the lower end face of the shaft sleeve. According to the shaft sleeve locking structure of the vertical pump, the locking nut and the impeller which are in threaded connection with the front end of the pump shaft are adopted as the double locking structure of the shaft sleeve, so that the slipping of the shaft sleeve can be effectively prevented, and the daily maintenance safety and the working efficiency are greatly improved.

The above-mentioned published patent realizes the locking work of the vertical pump shaft sleeve, but the shaft sleeve and the impeller are inconvenient to disassemble, and the shaft sleeve is inconvenient to install after the disassembly; the connection tightness between the bottom of the pump body and the external pipeline is relatively poor.

Disclosure of utility model

To solve the problems set forth in the background art. The utility model provides a shaft sleeve locking structure of a vertical pump, which has the characteristics of convenience in disassembly, assembly and maintenance of an impeller and better connection tightness between a pump body and an external pipeline.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vertical pump axle sleeve locking structure, includes the casing, the pump body is installed to the side of casing, and the top shell is installed to the upper end of casing, and the fixed disk is installed to the junction of top shell and casing, through a fixed connection of bolt between two sets of fixed disks, and the internally mounted of casing has the pump shaft, and external pipeline is installed to the lower extreme of the pump body, through pipe connection sealing mechanism fixed connection between external pipeline and the pump body, impeller fixed establishment is installed to the lower extreme of pump shaft.

Preferably, the impeller fixing mechanism comprises a rotating rod, an impeller, a fixing hole, a mounting block, a jack, a shaft sleeve and a fixing component, wherein the shaft sleeve is mounted at the lower end of the pump shaft, the mounting block is fixedly arranged at the lower end of the shaft sleeve through soldering, the jack is formed in the mounting block, the rotating rod is mounted at the lower end of the mounting block, the impeller is mounted at the lower end of the rotating rod, the fixing hole is formed in the side edge of the rotating rod, and the fixing component is mounted in the side edge of the mounting block.

Preferably, the fixed subassembly includes limiting plate, dead lever, spring and pull rod, and wherein, the side internally mounted of installation piece has the limiting plate, and the dead lever is installed to one side of limiting plate, and the pull rod is installed to the opposite side of limiting plate, and the surface cover of pull rod is equipped with the spring.

Preferably, the other end of the pull rod is fixedly provided with a pull handle, and the inside of the mounting block is provided with a limit groove corresponding to the limit plate and is in sliding connection with the limit groove.

Preferably, the pipeline connecting and sealing mechanism comprises a sealing ring, a first flange plate, a sealing groove, a second flange plate and a second bolt, wherein the second flange plate is arranged at the lower end of the pump body, the first flange plate is arranged at the upper end of the external pipeline, the first flange plate is fixedly connected with the second flange plate through the second bolt, the sealing ring is arranged at the position between the second flange plate and the first flange plate, and the sealing groove corresponding to the sealing ring is arranged at the upper end of the first flange plate.

Preferably, the pipeline connecting and sealing mechanism further comprises a bump and a through hole, wherein six groups of bumps are arranged on the surface of the sealing ring in an annular array, and the through hole is formed in the bump.

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

1. According to the utility model, the impeller fixing mechanism is arranged, so that the impeller and the shaft sleeve can be conveniently installed and fixed, the use of the shaft sleeve is not affected after the impeller is disassembled, in addition, the impeller can be conveniently and quickly fixed after the impeller is disassembled and overhauled, and the impeller is conveniently and quickly installed after the impeller is disassembled.

2. The utility model is provided with the pipeline connecting and sealing mechanism, the mechanism can improve the connection tightness of the external pipeline and the pump body, and in addition, the mechanism can improve the firmness of the sealing ring after being installed by arranging the convex blocks and the through holes.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective cutaway view of the impeller retention mechanism of the present utility model;

FIG. 3 is an enlarged view of the securing assembly of the present utility model;

FIG. 4 is a perspective view of the pipe connection sealing mechanism of the present utility model;

in the figure: 1. a housing; 2. a top shell; 3. a pump shaft; 4. a first bolt; 5. a fixed plate; 6. a pump body; 7. externally connected pipelines; 8. the pipeline is connected with the sealing mechanism; 81. a seal ring; 82. a bump; 83. a through hole; 84. a first flange plate; 85. sealing the groove; 86. a second flange plate; 87. a second bolt; 9. an impeller fixing mechanism; 91. a rotating lever; 92. an impeller; 93. a fixing hole; 94. a mounting block; 95. a jack; 96. a shaft sleeve; 97. a fixing assembly; 971. a limiting plate; 972. a fixed rod; 973. a spring; 974. a pull handle; 975. and (5) a pull rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a vertical pump axle sleeve locking structure, including casing 1, pump body 6 is installed to casing 1's side, and top shell 2 is installed to casing 1's upper end, and fixed disk 5 is installed to top shell 2 and casing 1's junction, through a 4 fixed connection of bolt between two sets of fixed disks 5, and casing 1's internally mounted has pump shaft 3, and external pipeline 7 is installed to pump body 6's lower extreme, through pipe connection sealing mechanism 8 fixed connection between external pipeline 7 and the pump body 6, impeller fixed establishment 9 is installed to pump shaft 3's lower extreme.

Specifically, the impeller fixing mechanism 9 comprises a rotating rod 91, an impeller 92, a fixing hole 93, a mounting block 94, an inserting hole 95, a shaft sleeve 96 and a fixing component 97, wherein the shaft sleeve 96 is arranged at the lower end of the pump shaft 3, the mounting block 94 is fixedly arranged at the lower end of the shaft sleeve 96 through soldering, the inserting hole 95 is arranged in the mounting block 94, the rotating rod 91 is arranged at the lower end of the mounting block 94, the impeller 92 is arranged at the lower end of the rotating rod 91, the fixing hole 93 is arranged at the side edge of the rotating rod 91, the fixing component 97 is arranged in the side edge of the mounting block 94,

Through adopting above-mentioned technical scheme, through inserting the dwang 91 of impeller 92 upper end inside of jack 95 after, rethread fixed subassembly 97 cooperation fixed orifices 93 is fixed dwang 91 to accomplish the installation to between impeller 92 and the axle sleeve 96.

Specifically, the fixing component 97 comprises a limiting plate 971, a fixing rod 972, a spring 973 and a pull rod 975, wherein the limiting plate 971 is arranged in the side edge of the mounting block 94, the fixing rod 972 is arranged on one side of the limiting plate 971, the pull rod 975 is arranged on the other side of the limiting plate 971, the spring 973 is sleeved on the surface of the pull rod 975,

Through adopting above-mentioned technical scheme, through dragging pull rod 975, pull rod 975 pulls limiting plate 971 and dead lever 972 and pulls out from the inside of fixed orifices 93 to drive spring 973 compression, can dismantle impeller 92 at this moment.

Specifically, the other end of the pull rod 975 is fixedly provided with a pull handle 974, the inside of the mounting block 94 is provided with a limit groove corresponding to the limit plate 971 and is in sliding connection with the limit groove,

Through adopting above-mentioned technical scheme, can conveniently drag pull rod 975 through pulling handle 974, limiting plate 971 can more stable slide simultaneously.

When the impeller 92 is used, the pull rod 975 is pulled by the pull rod 974, the pull rod 975 pulls the limiting plate 971 and the fixing rod 972 to be pulled out from the inside of the fixing hole 93 and drive the spring 973 to compress, the impeller 92 can be detached at the moment, after the impeller 92 is overhauled, the rotating rod 91 is inserted into the jack 95, the pull rod 974 is loosened, the spring 973 rebounds, and the fixing rod 972 is driven to be inserted into the inside of the fixing hole 93, so that the impeller 92 is quickly installed;

Example 2

This embodiment differs from embodiment 1 in that: the pipeline connecting and sealing mechanism 8 comprises a sealing ring 81, a first flange plate 84, a sealing groove 85, a second flange plate 86 and a second bolt 87, wherein the second flange plate 86 is arranged at the lower end of the pump body 6, the first flange plate 84 is arranged at the upper end of the external pipeline 7, the first flange plate 84 and the second flange plate 86 are fixedly connected through the second bolt 87, the sealing ring 81 is arranged at the position between the second flange plate 86 and the first flange plate 84, the sealing groove 85 corresponding to the sealing ring 81 is arranged at the upper end of the first flange plate 84,

Through adopting above-mentioned technical scheme, through putting into the inside of the seal groove 85 of ring flange one 84 upper end with sealing washer 81, rethread bolt two 87 is fixed ring flange one 84 and ring flange two 86 to the completion is fixed with the installation of the pump body 6 to external pipeline 7.

Specifically, the pipe connection sealing mechanism 8 further comprises a bump 82 and a through hole 83, wherein six groups of bumps 82 are arranged on the surface of the sealing ring 81 in an annular array, the through hole 83 is arranged inside the bump 82,

Through adopting above-mentioned technical scheme, can make sealing washer 81 after putting into the inside of seal groove 85, bolt two 87 is in the fixed with ring flange one 84 and ring flange two 86, and bolt two 87 just in time passes in the inside through-hole 83 of lug 82 to promote sealing washer 81's fixed effect.

When the sealing ring 81 is used, the sealing groove 85 at the upper end of the first flange plate 84 is placed in the sealing ring 81, the first flange plate 84 and the second flange plate 86 are fixed through the second bolt 87, so that the external pipeline 7 and the pump body 6 are installed and fixed, six groups of projections 82 are arranged on the surface of the sealing ring 81 in an annular array, through holes 83 are formed in the projections 82, the sealing ring 81 can be placed in the sealing groove 85, and the second bolt 87 just penetrates through the through holes 83 in the projections 82 when the first flange plate 84 and the second flange plate 86 are fixed, so that the fixing effect of the sealing ring 81 is improved.

The working principle and the using flow of the utility model are as follows: when the impeller 92 is used, the pull rod 975 is pulled by the pull rod 974, the limit plate 971 and the fixed rod 972 are pulled out from the inside of the fixed hole 93 by the pull rod 975, the spring 973 is driven to compress, the impeller 92 can be detached at the moment, after the impeller 92 is overhauled, the rotating rod 91 is inserted into the jack 95, the pull rod 974 is loosened, the spring 973 rebounds, and the fixed rod 972 is driven to be inserted into the inside of the fixed hole 93, so that the impeller 92 is quickly installed; through putting sealing washer 81 into the inside of the sealed recess 85 of ring flange one 84 upper end, rethread bolt two 87 is fixed ring flange one 84 and ring flange two 86 to the completion is fixed with the installation of the pump body 6 to external pipeline 7, is annular array through being provided with six groups of lugs 82 at the surface of sealing washer 81, and through-hole 83 has been seted up to the inside of lug 82, can make sealing washer 81 after putting into the inside of sealed recess 85, and bolt two 87 is in fixing ring flange one 84 and ring flange two 86, and bolt two 87 just in time passes in the inside through-hole 83 of lug 82, thereby promotes sealing washer 81's fixed effect.

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 can 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 vertical pump axle sleeve locking structure, includes casing, its characterized in that: the pump body is installed to the side of casing, and the top shell is installed to the upper end of casing, and fixed disk is installed to the junction of top shell and casing, through a fixed connection of bolt between two sets of fixed disks, and the internally mounted of casing has the pump shaft, and external pipeline is installed to the lower extreme of the pump body, through pipeline connection sealing mechanism fixed connection between external pipeline and the pump body, impeller fixed establishment is installed to the lower extreme of pump shaft.

2. The vertical pump shaft sleeve locking structure according to claim 1, wherein: impeller fixed establishment includes dwang, impeller, fixed orifices, installation piece, jack, axle sleeve and fixed subassembly, and wherein, the axle sleeve is installed to the lower extreme of pump shaft, and the lower extreme of axle sleeve is provided with the installation piece through soldering welded fastening, and the jack has been seted up to the inside of installation piece, and the dwang is installed to the lower extreme of installation piece, and the impeller is installed to the lower extreme of dwang, and fixed orifices has been seted up to the side of dwang, and the side internally mounted of installation piece has fixed subassembly.

3. The vertical pump shaft sleeve locking structure according to claim 2, wherein: the fixing assembly comprises a limiting plate, a fixing rod, a spring and a pull rod, wherein the limiting plate is arranged in the side edge of the mounting block, the fixing rod is arranged on one side of the limiting plate, the pull rod is arranged on the other side of the limiting plate, and the spring is sleeved on the surface of the pull rod.

4. A vertical pump shaft sleeve locking structure according to claim 3, characterized in that: the other end of the pull rod is fixedly provided with a pull handle, and a limit groove corresponding to the limit plate is formed in the mounting block and is in sliding connection with the limit groove.

5. The vertical pump shaft sleeve locking structure according to claim 1, wherein: the pipeline connection sealing mechanism comprises a sealing ring, a first flange plate, a sealing groove, a second flange plate and a second bolt, wherein the second flange plate is arranged at the lower end of the pump body, the first flange plate is arranged at the upper end of the external pipeline, the first flange plate is fixedly connected with the second flange plate through the second bolt, the sealing ring is arranged at the position between the second flange plate and the first flange plate, and the sealing groove corresponding to the sealing ring is formed in the upper end of the first flange plate.

6. The vertical pump shaft sleeve locking structure according to claim 5, wherein: the pipeline connection sealing mechanism further comprises protruding blocks and through holes, six groups of protruding blocks are arranged on the surface of the sealing ring in an annular array, and the through holes are formed in the protruding blocks.