CN210317766U

CN210317766U - Screw pump body with novel cooling water channel structure

Info

Publication number: CN210317766U
Application number: CN201921039046.9U
Authority: CN
Inventors: 周罗彬; 薛华军; ***
Original assignee: Hangzhou Xinjiang Industrial Pump Co ltd
Current assignee: Hangzhou Xinjiang Industrial Pump Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-04-14
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a screw pump body with novel cooling water course structure aims at solving the not good not enough of cooling effect in the screw pump use. Be equipped with the pump chamber on the pump body, be equipped with a plurality of rings of cooling chamber in the pump body, the cooling chamber is C shape structure and encircles the setting of pump chamber, end to end intercommunication between two adjacent cooling chambers, the pump body front portion be equipped with the inlet opening of the cooling chamber intercommunication of front portion, the pump body rear portion be equipped with the apopore of the cooling chamber intercommunication at rear portion. The screw pump body with the novel cooling water channel structure ensures that cooling water flows smoothly in the use process of the screw pump, the whole pump body can be cooled, and the single-channel cooling water of the flow channel has no accumulation, so that the cooling effect of the screw pump body is greatly improved, the failure rate is reduced, and the service life is prolonged.

Description

Screw pump body with novel cooling water channel structure

Technical Field

The utility model relates to a screw pump structure, more specifically say, it relates to a screw pump body with novel cooling water channel structure.

Background

With the progress of science and technology, vacuum technology is rapidly developed continuously, and the application range of various vacuum equipment is wider and wider. The screw vacuum pump has the advantages of simple structure, high reliability, long service life, no oil in the cavity, no pollution to workpieces, direct discharge, small mechanical vibration and noise, high rotating speed, insensitivity to medium viscosity and the like, and is widely applied to the industries of aerospace, surface treatment, chemical industry, semiconductors, thermonuclear fusion, photovoltaic, micro-nano processing, electronic industry, vacuum coating and the like. The screw pump performs the work of evacuating and transporting gas by pressing gas between two rotors as a dry vacuum pump. A large amount of heat is generated during the gas extrusion. This heat can lead to serious consequences such as damage to the bearing seals, excessive expansion and seizure of the pump rotor. Therefore, a screw pump body with excellent cooling effect is needed to be cooled, and the problem that the screw pump is overheated in the operation process is avoided. However, many screw pumps used at present have poor cooling effect, increase the failure rate of the screw pump operation and shorten the service life of the screw pump.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the not good not enough of cooling effect in the screw pump use provides a screw pump body with novel cooling water channel structure, and it has guaranteed that cooling water flows unobstructed in the screw pump use, and the whole pump body can both be cooled off, and the runner single pass cooling water does not have the accumulation, has improved the cooling effect of the screw pump body greatly, has reduced the fault rate, has prolonged life.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a screw pump body with novel cooling water course structure, is equipped with the pump chamber on the pump body, is equipped with a plurality of rings of cooling chambeies in the pump body, and the cooling chamber is C shape structure and encircles the setting of pump chamber, and head and the tail intercommunication between two adjacent cooling chambeies, the pump body front portion be equipped with the inlet opening of the cooling chamber intercommunication of front portion, pump body rear portion be equipped with the apopore of the cooling chamber intercommunication at rear portion.

The cooling chamber of a plurality of C shape structure in the pump body encircles the pump chamber setting, and cooling water gets into the cooling chamber from the inlet opening, through a plurality of cooling chamber, and the cooling water encircles the pump body and flows, and the scope of flowing through is big, and the cooling water flows unobstructed, makes whole pump body can both obtain the cooling, and the runner is single to lead to the cooling water and does not have the accumulation, has improved the cooling effect of the screw pump body greatly, has reduced the fault rate, has prolonged life.

Preferably, the lower part of the pump body and the cooling cavity are provided with a plurality of drain holes in one-to-one correspondence. When the screw pump does not work, the drain hole can be opened to drain cooling water.

Preferably, the pump body and the drain hole are provided with connecting columns in one-to-one correspondence, the connecting columns are communicated with the drain hole, and the connecting columns extend out of the side edge of the pump body. The arrangement of the connecting pipe column is convenient for connecting a drain pipe for draining.

Preferably, the upper portion of the pump body is provided with an upper sealing seat, the upper portions of the cooling cavities are communicated with the upper sealing seat, an axial partition plate and a radial partition plate are arranged in the upper sealing seat, the axial partition plate partitions the cooling cavities into a C-shaped structure, the radial partition plate isolates two adjacent cooling cavities from each other, a communication window is arranged on the radial partition plate, and the two adjacent cooling cavities are communicated end to end through the communication window.

When the pump body is assembled, the upper sealing seat is hermetically connected with the upper cover plate. The axial partition plate and the radial partition plate are arranged to isolate the two adjacent cooling cavities, so that water flow in the cooling cavities can circularly flow around the pump body. The arrangement of the communication windows enables the adjacent two cooling cavities to be communicated end to end. The upper sealing seat is convenient for processing the cooling cavity.

Preferably, the lower part of the pump body is provided with a lower sealing seat, the lower parts of the cooling cavities are communicated with the lower sealing seat, and a partition plate is arranged between every two adjacent cooling cavities in the lower sealing seat.

When the pump body is assembled, the lower cover plate is hermetically connected to the lower sealing seat. The division plate separates two adjacent cooling cavities, so that water flow in the cooling cavities can circularly flow around the pump body. The lower sealing seat is convenient for processing the cooling cavity.

Preferably, the water inlet hole is arranged on the front end face of the pump body, and the water outlet hole is arranged on the outer wall of the rear part of the pump body. The arrangement of the water inlet holes and the water outlet holes prevents the accumulation of cooling water in the flow channel from influencing the cooling effect.

Preferably, the outer wall of the rear part of the pump body is provided with a plurality of radiating convex ribs. The convex rib of dispelling heat has increased the radiating effect of the pump body on the one hand, and on the other hand has increased the structural strength of the pump body.

Compared with the prior art, the beneficial effects of the utility model are that: the screw pump body with the novel cooling water channel structure ensures that cooling water flows smoothly in the use process of the screw pump, the whole pump body can be cooled, and the flow channel single-pass cooling water has no accumulation, so that the cooling effect of the screw pump body is greatly improved, the failure rate is reduced, and the service life is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view in another direction of the present invention;

fig. 3 is a front view of the present invention;

fig. 4 is a cross-sectional view a-a of fig. 3 of the present invention;

fig. 5 is a cross-sectional view B-B of fig. 3 of the present invention;

in the figure: 1. the pump body, 2, the pump chamber, 3, the cooling chamber, 4, the inlet opening, 5, the apopore, 6, the wash port, 7, the connecting string, 8, last closed seat, 9, axial baffle, 10, radial baffle, 11, lower closed seat, 12, division board, 13, the protruding muscle of heat dissipation, 14, intercommunication window.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b): the utility model provides a screw pump body (see figure 1 to figure 5) with novel cooling water course structure, be equipped with pump chamber 2 on the pump body 1, the pump chamber is "8" font structure, be equipped with a plurality of rings of cooling chamber 3 in the pump body, the cooling chamber is equipped with three rings in this embodiment, the cooling chamber is C shape structure and encircles the pump chamber setting, head and the tail intercommunication between the two adjacent cooling chambers, the pump body front portion be equipped with the inlet opening 4 of the cooling chamber intercommunication of front portion, pump body rear portion be equipped with the apopore 5 of the cooling chamber intercommunication at rear portion. The lower part of the pump body and the cooling cavity are provided with a plurality of drain holes 6 in one-to-one correspondence. The pump body and the drain hole are provided with connecting pipe columns 7 in one-to-one correspondence, the connecting pipe columns are communicated with the drain hole, and the connecting pipe columns extend out of the side edge of the pump body. The upper portion of the pump body is provided with an upper sealing seat 8, the upper portion of the cooling cavity is communicated with the upper sealing seat, an axial partition plate 9 and a radial partition plate 10 are arranged in the upper sealing seat, the axial partition plate partitions the cooling cavity into a C-shaped structure, the radial partition plate isolates two adjacent cooling cavities from each other, a communication window 14 is arranged on the radial partition plate, and the two adjacent cooling cavities are communicated end to end through the communication window. The lower part of the pump body is provided with a lower sealing seat 11, the lower parts of the cooling cavities are communicated with the lower sealing seat, and a partition plate 12 is arranged between every two adjacent cooling cavities in the lower sealing seat. The water inlet is arranged on the front end face of the pump body, and the water outlet is arranged on the outer wall of the rear part of the pump body. The outer wall of the rear part of the pump body is provided with a plurality of radiating convex ribs 13. The lower end of the pump body is provided with a plurality of supports, and the upper sealing seat and the lower sealing seat are both protruded out of the outer wall of the pump body.

The above-described embodiments are merely preferred and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a screw pump body with novel cooling water course structure, characterized by is equipped with the pump chamber on the pump body, is equipped with a plurality of rings of cooling chambeies in the pump body, and the cooling chamber is C shape structure and encircles the setting of pump chamber, and head and the tail intercommunication between two adjacent cooling chambeies, the pump body front portion be equipped with the inlet opening of the cooling chamber intercommunication of front portion, the pump body rear portion be equipped with the apopore of the cooling chamber intercommunication at rear portion.

2. The screw pump body with the novel cooling water channel structure as claimed in claim 1, wherein a plurality of drain holes are formed in the lower portion of the body and the cooling cavity in a one-to-one correspondence.

3. The screw pump body with the novel cooling water channel structure as claimed in claim 2, wherein the pump body is provided with a connecting pipe column corresponding to the drain hole, the connecting pipe column is communicated with the drain hole, and the connecting pipe column extends out of the side edge of the pump body.

4. The screw pump body with the novel cooling water channel structure as claimed in claim 1, wherein an upper sealing seat is provided at an upper portion of the pump body, upper portions of the cooling cavities are communicated with the upper sealing seat, an axial partition plate and a radial partition plate are provided in the upper sealing seat, the axial partition plate partitions the cooling cavities into a C-shaped structure, the radial partition plate separates two adjacent cooling cavities from each other, a communication window is provided on the radial partition plate, and the two adjacent cooling cavities are communicated with each other end to end through the communication window.

5. A screw pump body with a novel cooling water channel structure according to any one of claims 1 to 4, characterized in that the lower part of the pump body is provided with a lower sealing seat, the lower parts of the cooling cavities are communicated with the lower sealing seat, and a separation plate is arranged between two adjacent cooling cavities in the lower sealing seat.

6. A screw pump body with a novel cooling water channel structure according to any one of claims 1 to 4, characterized in that the water inlet holes are arranged on the front end face of the pump body, and the water outlet holes are arranged on the outer wall of the rear part of the pump body.

7. A screw pump body with a novel cooling water channel structure according to any one of claims 1 to 4, characterized in that a plurality of heat dissipation ribs are arranged on the outer wall of the rear part of the pump body.