CN211116644U

CN211116644U - Pipeline circulating pump

Info

Publication number: CN211116644U
Application number: CN201921414595.XU
Authority: CN
Inventors: 沈志敏
Original assignee: Zhejiang Shoufei Pump Co ltd
Current assignee: Zhejiang Shoufei Pump Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-07-28
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a pipeline circulating pump, which comprises a motor, a pump head and a pump body, wherein the motor is arranged on a motor base, the outer side of the motor is provided with a protective cover, the protective cover is fixedly connected with the motor base through bolts, the outer surface of the motor is provided with an air bag, one side of the air bag close to the protective cover is provided with a mounting plate, the mounting plate is symmetrically provided with mounting holes, one end of a first spring is arranged in the mounting hole, the other end of the first spring is connected with the protective cover, a partition plate is arranged between the inner side wall of the protective cover, the partition plate is provided with through holes, a filter screen is arranged in the through holes, the upper surface of the motor is provided with one end of a connecting rod, the other end of the connecting rod penetrates through the partition plate and is in threaded connection with a fan blade, the fan blade is rotatably, the surface upside of safety cover evenly is equipped with the gas pocket.

Description

Pipeline circulating pump

Technical Field

The utility model relates to a water pump technical field, concrete field is a pipeline circulating pump.

Background

The pipeline circulating pump is very commonly used in daily life and industrial and agricultural production. In order to improve the multiple purposes of system operation efficiency, energy conservation and the like, liquid is often forced to circulate in a pipeline system, and the pipeline circulating pump cannot be separated from the circulating pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline circulating pump to solve the circulating pump that proposes among the above-mentioned background art and can produce vibrations at during operation motor self, the motor shaft can produce other power for example radial force with the pump shaft simultaneously and make the pump shaft rock, has reduced the work efficiency of motor, causes the harm to the motor even, though be equipped with mechanical seal device in the pump body in addition, but still have the risk of infiltration, need secondary seal device, the dismantlement maintenance of giving the circulating pump has brought inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a pipeline circulating pump comprises a motor, a pump head and a pump body, wherein the motor is arranged on a motor base, a protective cover is arranged on the outer side of the motor, the protective cover is fixedly connected with the motor base through bolts, an air bag is arranged on the outer surface of the motor, a mounting plate is arranged on one side, close to the protective cover, of the air bag, mounting holes are symmetrically formed in the mounting plate, one end of a first spring is arranged in each mounting hole, the other end of the first spring is connected with the protective cover, a partition plate is arranged between the inner side walls of the protective covers, through holes are formed in the partition plate, a filter screen is arranged in each through hole, one end of a connecting rod is arranged on the upper surface of the motor, the other end of the connecting rod penetrates through the partition plate and is in threaded connection with a fan blade, the fan blade is, the surface upside of safety cover evenly is equipped with the gas pocket, the output of motor stretches out to be connected with the one end of shaft coupling in the motor cabinet, be equipped with the pump shaft in the pump body, the one end of pump shaft is passed the pump head and is stretched into to be connected with the other end of shaft coupling in the motor cabinet, the other end of pump shaft is equipped with the impeller.

Preferably, a control box is arranged on the outer surface of the protective cover and electrically connected with the motor.

Preferably, a sealing element is arranged between the pump head and the pump shaft, and the material of the sealing element is graphite or silicon carbide.

Preferably, the material of the pump body, the pump head and the impeller is cast iron HT 200.

Preferably, the material of the coupling is cast steel ZG 270-500.

Compared with the prior art, the beneficial effects of the utility model are that: a pipeline circulating pump has the following advantages;

(1) when the pipeline circulating pump works to generate vibration, air in an air bag on the motor plays a role in reducing the vibration, the vibration is transmitted to the first spring through the mounting plate, the vibration is further reduced through the elasticity of the first spring, so that the motor works stably, the working shake is reduced, the working efficiency of the motor is ensured, and meanwhile, the motor is prevented from being damaged by long-time vibration;

(2) the air in the protective cover is exchanged with the outside air through the through holes and the air holes, and the vibration is utilized to dissipate heat when the motor works, so that the reduction of the working efficiency of the motor and even the failure caused by overheating temperature are avoided, the working life of the motor is ensured, and the damage to the motor caused by the entry of sundries into the protective cover is avoided by arranging the filter screen;

(3) the sealing element can keep the pump shaft to run stably, reduce the mechanical friction when the pump shaft rotates, and the sealing element made of graphite or silicon carbide has certain water absorption performance, can be accidentally seeped, and can ensure that water cannot enter the motor to burn the motor after leaking.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: 1-motor, 2-pump head, 3-pump body, 4-motor base, 5-protective cover, 6-air bag, 7-mounting plate, 8-first spring, 9-baffle, 10-through hole, 11-filter screen, 12-connecting rod, 13-fan blade, 14-second spring, 15-air hole, 16-coupler, 17-pump shaft, 18-impeller, 19-control box and 20-sealing element.

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. 1-3, the present invention provides a technical solution: a pipeline circulating pump comprises a motor 1, a pump head 2 and a pump body 3, wherein the motor 1 is arranged on a motor base 4, a protective cover 5 is arranged on the outer side of the motor 1, the protective cover 5 is fixedly connected with the motor base 4 through bolts, the motor base 4 is fixedly connected with the pump head 2 through bolts, and the pump head 2 is arranged on the pump body 3 and connected through bolts; the outer surface of the motor 1 is provided with the air bag 6, one surface, close to the protective cover 5, of the air bag 6 is provided with the mounting plate 7, the mounting plate 7 is symmetrically provided with mounting holes, one end of the first spring 8 is arranged in each mounting hole, the other end of the first spring 8 is connected with the protective cover 5, when the pipeline circulating pump works to generate vibration, air in the air bag 6 on the motor 1 plays a role in reducing vibration, the vibration is transmitted to the first spring 8 through the mounting plate 7, the vibration is further reduced through the elasticity of the first spring 8, the motor 1 works stably, the working shake is reduced, the working efficiency of the motor 1 is ensured, and meanwhile, the motor 1 is prevented from being damaged by long-time vibration; the air-cooling type motor protection cover is characterized in that a partition plate 9 is arranged between the inner side walls of the protection cover 5, a through hole 10 is formed in the partition plate 9, a filter screen 11 is arranged in the through hole 10, one end of a connecting rod 12 is arranged on the upper surface of the motor 1, the other end of the connecting rod 12 penetrates through the partition plate 9 and is in threaded connection with a fan blade 13, the fan blade 13 is rotatably installed on the upper side of the partition plate 9, a second spring 14 is sleeved on the outer side of the connecting rod 12, the second spring 14 is arranged between the motor 1 and the partition plate 9, air holes 15 are uniformly formed in the upper side of the outer surface of the protection cover 5, vibration generated during the working of the motor 1 is transmitted to the connecting rod 12 to drive the connecting rod 12 to move up and down, the fan blade 13 rotatably installed on the partition plate 9 rotates under the driving of the connecting rod 12 when the connecting, the reduction of the working efficiency of the motor 1 and even the failure caused by overheating temperature are avoided, the working life of the motor 1 is ensured, and the damage to the motor 1 caused by the entry of impurities into the protective cover 5 is avoided by arranging the filter screen 11; the output of motor 1 stretches out to be connected with the one end of shaft coupling 16 in the motor cabinet 4, be equipped with pump shaft 17 in the pump body 3, the one end of pump shaft 17 is passed pump head 2 and is stretched into and be connected with the other end of shaft coupling 16 in the motor cabinet 4, the other end of pump shaft 17 is equipped with impeller 18.

Specifically, a control box 19 is arranged on the outer surface of the protective cover 5, the control box 19 is electrically connected with the motor 1, and the power of the motor 1 is controlled through the control box 19.

Specifically, a sealing element 20 is arranged between the pump head 2 and the pump shaft 17, the sealing element 20 is made of graphite or silicon carbide, the sealing element 20 can keep the pump shaft 17 to stably operate, mechanical friction when the pump shaft 17 rotates is reduced, the sealing element 20 made of graphite or silicon carbide has certain water absorption performance, water leakage can occur accidentally, and it can be guaranteed that water cannot enter the motor 1 to burn the motor 1 after water leakage.

Specifically, the pump body 3, the pump head 2 and the impeller 18 are all made of cast iron HT 200.

Specifically, the coupling 16 is made of cast steel ZG 270-500.

The working principle is as follows: when the pipeline circulating pump works to generate vibration, the air in the air bag 6 on the motor 1 plays a role in reducing the vibration, the vibration is transmitted to the first spring 8 through the mounting plate 7, the vibration is further reduced through the elasticity of the first spring 8, the motor 1 works more stably, the work shaking is reduced, the work efficiency of the motor 1 is ensured, and meanwhile, the damage to the motor 1 caused by long-time vibration is avoided; the vibration generated when the motor 1 works is transmitted to the connecting rod 12 to drive the connecting rod 12 to move up and down, the fan blades 13 rotatably arranged on the partition plate 9 are driven by the connecting rod 12 to rotate when the connecting rod 12 moves up and down, the air in the protective cover 5 is exchanged with the outside air through the through holes 10 and the air holes 15, the vibration is utilized to dissipate heat when the motor 1 works, the phenomenon that the working efficiency of the motor 1 is reduced or even fails due to overheating temperature is avoided, the working life of the motor 1 is ensured, and the damage to the motor 1 caused by sundries entering the protective cover 5 is avoided by arranging the filter screen 11; the sealing element 20 can keep the pump shaft 17 running stably, reduce the mechanical friction when the pump shaft 17 rotates, and the sealing element 20 made of graphite or silicon carbide has certain water absorption performance, can cause water leakage accidentally, and can ensure that water cannot enter the motor 1 to burn the motor 1 after water leakage.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipeline circulating pump, includes motor (1), pump head (2) and the pump body (3), its characterized in that: the motor (1) is arranged on a motor base (4), a protective cover (5) is arranged on the outer side of the motor (1), the protective cover (5) is fixedly connected with the motor base (4) through bolts, an air bag (6) is arranged on the outer surface of the motor (1), one side, close to the protective cover (5), of the air bag (6) is provided with a mounting plate (7), the mounting plate (7) is symmetrically provided with mounting holes, one end of a first spring (8) is arranged in each mounting hole, the other end of the first spring (8) is connected with the protective cover (5), a partition plate (9) is arranged between the inner side walls of the protective cover (5), through holes (10) are formed in the partition plate (9), a filter screen (11) is arranged in each through hole (10), one end of a connecting rod (12) is arranged on the upper surface of the motor (1), the other end of the connecting rod (12) penetrates through the partition plate (, flabellum (13) rotate to be installed at baffle (9) upside, the outside cover of connecting rod (12) has second spring (14), second spring (14) set up between motor (1) and baffle (9), the surface upside of safety cover (5) evenly is equipped with gas pocket (15), the output of motor (1) stretches out to be connected with the one end of shaft coupling (16) in motor cabinet (4), be equipped with pump shaft (17) in the pump body (3), the one end of pump shaft (17) is passed pump head (2) and is stretched into and be connected with the other end of shaft coupling (16) in motor cabinet (4), the other end of pump shaft (17) is equipped with impeller (18).

2. The pipe circulation pump of claim 1, wherein: be equipped with control box (19) on the surface of safety cover (5), control box (19) are connected with motor (1) electricity.

3. The pipe circulation pump of claim 1, wherein: a sealing element (20) is arranged between the pump head (2) and the pump shaft (17), and the sealing element (20) is made of graphite or silicon carbide.

4. The pipe circulation pump of claim 1, wherein: the pump body (3), the pump head (2) and the impeller (18) are all made of cast iron HT 200.

5. The pipe circulation pump of claim 1, wherein: the coupling (16) is made of cast steel ZG 270-500.