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Low-temperature transfer injection pump

A low temperature, pump body technology, applied in the direction of pumps, pump devices, pump components, etc., can solve the problems of affecting the service life, unable to achieve 100% sealing, low temperature transfer pump work efficiency, etc., to ensure stable operation and improve work efficiency. and stability, the effect of avoiding high temperature operation

Inactive Publication Date: 2015-06-03
SICHUAN TIBO FLUID TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a low-temperature transfusion pump, and the technical problem to be solved is that the existing low-temperature transfusion pump has low working efficiency, the pump body and the motor are set separately, the two cannot be 100% sealed, and the heating of the motor affects its service life The problem

Method used

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Embodiment Construction

[0019] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0020] like figure 1 , figure 2 , image 3 , Figure 4 As shown, a low-temperature transfusion pump includes a motor 1, a motor casing 2 and a pump body; the pump body includes a volute 8 and a pump body rear cover 3; the motor 1 is arranged in the motor casing 2, The top of the motor casing 2 is provided with a casing upper end cover 4, and the upper surface of the casing upper end cover 4 is provided with a spray port 5 and several terminal posts 6 in communication with the motor casing 2; The bottom center of the upper end cover 4 of the casing is provided with a first bearing 7, and the bottom of the motor casing 2 is connected with the top of the pump body rear cover 3 through a sealing structure; The bott...

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Abstract

The invention relates to a low-temperature transfer injection pump, which is small in size, light in mass, high in working efficiency, strong in adaptability, long in service life and good in stability. The low-temperature transfer injection pump comprises a motor, a motor enclosure and a pump body, wherein the motor is arranged in the motor enclosure, and a spray nozzle and a wiring post are arranged on the upper surface of an enclosure upper end cover of the top part of the motor enclosure; a first bearing is arranged at the center position of the bottom part of the enclosure upper end cover, and the bottom part of the motor enclosure is connected with the top part of a pump body rear cover through a sealing structure; the pump body rear cover is connected with a volute; an impeller is arranged in the volute, and a rear cover plate of the impeller is arranged at the bottom part of the pump body rear cover; a liquid outlet is formed in a position, which corresponds to an outlet of the impeller, of the side wall of the volute; a second bearing is arranged in the pump body rear cover and is positioned at the top part of the rear cover plate of the impeller; the top part of a main shaft of the motor is connected with the first bearing, and the bottom part of the main shaft of the motor is connected with the impeller by penetrating through the second bearing; the enclosure upper end cover is connected with the pump body rear cover through a long bolt, and the pump body rear cover is connected with the volute through a short bolt.

Description

technical field [0001] The invention relates to the technical field of liquid pumps, in particular to a low-temperature transfusion pump. Background technique [0002] At present, the motor and the pump body of the existing low-temperature transfusion pump are connected through a coupling. The working principle is that the motor is connected with the pump through a coupling, which drives the pump to run at high speed and then sucks liquid to increase its pressure and then Then output it. Such a structure in which the pump body and the motor are connected through a coupling has lower working efficiency than the direct connection between the motor and the pump body. In addition, the pump body and the motor are not separated as a whole. They are mainly sealed by packing shaft seal or mechanical seal. seal. In addition, the long-term heat generation of the motor will also have a great impact on the life of the motor. Contents of the invention [0003] The invention provide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D13/08F04D29/08F04D29/58F04D29/06
Inventor 李涛郝群
Owner SICHUAN TIBO FLUID TECH CO LTD
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