CN219754792U

CN219754792U - Screw pump

Info

Publication number: CN219754792U
Application number: CN202320904435.3U
Authority: CN
Inventors: 张恩康; 夏明远; 朱立娟; 周德荣; 李英明
Original assignee: Daqing Aokaili Petroleum Machinery Manufacturing Co ltd
Current assignee: Daqing Aokaili Petroleum Machinery Manufacturing Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-09-26
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a screw pump, which comprises a pump body, wherein the end part of the pump body is connected with a driving motor, the top end of the pump body is fixedly provided with a base, the top end of the pump body is connected with a feed inlet, the surface of the driving motor is provided with an operation panel, the surface of the operation panel is equidistantly provided with keys, the top end of the feed inlet is internally provided with a particulate matter filtering mechanism, and the surface of the keys is provided with a protection mechanism; according to the utility model, through the designed connecting groove, connecting block, limiting groove, limiting buckle and telescopic spring, the filter screen and the feeding port can be conveniently and rapidly assembled in a limiting way, so that the high-viscosity liquid to be conveyed can be filtered, and meanwhile, the filter screen can be accurately clamped into the expanding groove by matching with the designed guide groove and guide block, so that the conveying and filtering work of the screw pump is greatly facilitated compared with the prior art.

Description

Screw pump

Technical Field

The utility model belongs to the technical field of screw pumps, and particularly relates to a screw pump.

Background

Screw pumps are rotor type volumetric pumps which rely on the intermeshing of screws and bushings to produce a change in volume in the suction and discharge chambers to deliver a liquid. The internal-meshed closed screw pump consists of mainly working parts including lining with double-head screw cavity and single-head screw (rotor) meshed with the lining.

When the screw pump is used for conveying high-viscosity liquid, impurities and particles are doped in the high-viscosity liquid just after production, and a filtering mechanism is not arranged at the feeding hole of the conventional screw pump, so that the screw pump can convey impurities in the high-viscosity liquid together and cannot play a role in filtering and conveying.

Disclosure of Invention

The utility model aims to provide a screw pump, which solves the problem that the screw pump proposed in the background art does not have a mechanism for filtering high-viscosity liquid.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a screw pump, includes the pump body, the end connection of the pump body has driving motor, the top of the pump body is fixed with the base, the top of the pump body is connected with the feed inlet, driving motor's surface is provided with operating panel, operating panel's surface equidistance is provided with the button, be provided with particulate matter filter mechanism in the top of feed inlet, the surface of button is provided with protection machanism, particulate matter filter mechanism includes:

the filter assembly is arranged at the top end of the feed inlet;

a connection assembly disposed inside the filter assembly;

a guide assembly disposed inside the connection assembly;

the limiting component is arranged on the inner side of the connecting component;

and the reset component is arranged in the limiting component.

Preferably, the filter component comprises an expansion groove formed in the top end of the inside of the feed inlet and a filter screen arranged in the expansion groove, and the top end of the filter screen is symmetrically fixed with an operation handle.

Preferably, the connecting assembly comprises connecting grooves symmetrically formed in the surface of the filter screen and connecting blocks symmetrically fixed on two sides of the inner wall of the expansion groove, and the connecting blocks are connected with the connecting grooves in a clamping mode.

Preferably, the guide assembly comprises a guide groove formed in the end portion of the connecting block and a guide block fixed in the connecting groove, and the guide block is connected with the guide groove in a clamping mode.

Preferably, the limiting assembly comprises limiting grooves symmetrically formed in two sides of the connecting block and built-in grooves symmetrically formed in two sides of the inner wall of the connecting groove, limiting buckles are arranged in the built-in grooves and are connected with the limiting grooves in a clamping mode.

Preferably, the reset component comprises an embedded groove formed in the limiting buckle and a through hole penetrating through the embedded groove to the end of the limiting buckle, a fixing rod penetrating through the through hole and connected with the embedded groove is fixed in the embedded groove, and a telescopic spring connected with the fixing rod is arranged in the embedded groove.

Preferably, the protection mechanism comprises a protection cover which is covered on the surface of the key and connected with the operation panel, a connecting shaft is connected between the protection cover and the operation panel, a buckle is symmetrically fixed on the surface of the operation panel, the buckle is connected with the protection cover in a clamping way, and an operation block is fixed at the end part of the protection cover.

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

according to the utility model, through the designed connecting groove, connecting block, limiting groove, limiting buckle and telescopic spring, the filter screen and the feeding port can be conveniently and rapidly assembled in a limiting way, so that the high-viscosity liquid to be conveyed can be filtered, and meanwhile, the filter screen can be accurately clamped into the expanding groove by matching with the designed guide groove and guide block, so that the conveying and filtering work of the screw pump is greatly facilitated compared with the prior art.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is an enlarged schematic view of the utility model at A of FIG. 1;

FIG. 3 is a schematic diagram of a filter screen according to the present utility model;

FIG. 4 is an enlarged schematic view of the portion B of FIG. 3 in accordance with the present utility model;

FIG. 5 is an enlarged schematic view of the utility model at C of FIG. 1;

in the figure: 1. a pump body; 2. a driving motor; 3. a base; 4. a feed inlet; 5. an operation panel; 6. a key; 100. an expansion tank; 101. a filter screen; 102. an operating handle; 200. a connecting groove; 201. a connecting block; 300. a guide groove; 301. a guide block; 400. a limit groove; 401. a built-in groove; 402. a limit button; 500. an embedded groove; 501. a through hole; 502. a fixed rod; 503. a telescopic spring; 600. a protective cover; 601. a connecting shaft; 602. a buckle; 603. an operation block.

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.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a screw pump, includes pump body 1, and the end connection of pump body 1 has driving motor 2, and the top of pump body 1 is fixed with base 3, and the top of pump body 1 is connected with feed inlet 4, and driving motor 2's surface is provided with operating panel 5, and operating panel 5's surface equidistance is provided with button 6, is provided with particulate matter filter mechanism in the top of feed inlet 4, and button 6's surface is provided with protection machanism, and particulate matter filter mechanism includes:

a filter assembly disposed at the top end of the feed inlet 4;

a connection assembly disposed inside the filter assembly;

a guide assembly disposed inside the connection assembly;

and the reset component is arranged in the limiting component.

In this embodiment, preferably, the filter assembly includes an expansion tank 100 disposed at the top end inside the feed inlet 4, and a filter screen 101 disposed inside the expansion tank 100, where an operation handle 102 is symmetrically fixed to the top end of the filter screen 101, so that the filter screen 101 can be operated.

In this embodiment, preferably, the connection assembly includes a connection slot 200 symmetrically formed on the surface of the filter screen 101 and connection blocks 201 symmetrically fixed on two sides of the inner wall of the expansion slot 100, and the filter screen 101 and the expansion slot 100 can be quickly abutted through the engagement connection between the connection blocks 201 and the connection slots 200.

In this embodiment, preferably, the guide assembly includes a guide groove 300 formed at an end of the connection block 201 and a guide block 301 fixed inside the connection groove 200, and the guide block 301 is engaged with the guide groove 300 to perform a guiding function when the connection block 201 is engaged with the connection groove 200.

In this embodiment, preferably, the limiting component includes a limiting groove 400 symmetrically formed on two sides of the connecting block 201 and a built-in groove 401 symmetrically formed on two sides of an inner wall of the connecting groove 200, and a limiting buckle 402 is disposed in the built-in groove 401, and is connected with the limiting groove 400 in a clamping manner through the limiting buckle 402, so that the filter screen 100 can be limited and fixed.

In this embodiment, preferably, the reset component includes an embedded groove 500 formed inside the limit buckle 402 and a through hole 501 penetrating through the embedded groove 500 to the end of the limit buckle 402, a fixing rod 502 penetrating through the inside of the through hole 501 and connected with the embedded groove 500 is fixed inside the embedded groove 401, a telescopic spring 503 connected with the fixing rod 502 is arranged inside the embedded groove 500, and under the action of the telescopic spring 503, the through hole 501 can be driven to reset and slide on the surface of the fixing rod 502.

In this embodiment, preferably, the protection mechanism includes the protection cover 600 that covers on button 6 surface and operating panel 5 are connected, can protect button 6, be connected with connecting axle 601 between protection cover 600 and operating panel 5, can drive protection cover 600 and rotate at operating panel 5's surface, operating panel 5's surface symmetry is fixed with buckle 602, is connected with protection cover 600 block through buckle 602, can carry out spacing fixed to protection cover 600, and the end fixing of protection cover 600 has operation piece 603, through stirring operation piece 603, can drive protection cover 600 and rotate.

The working principle and the using flow of the utility model are as follows: when the high-viscosity liquid is required to be conveyed, in order to filter impurities and particulate matters in the high-viscosity liquid, the filter screen 101 is embedded into the expansion tank 100 through the operation handle 102 to be connected with the feed inlet 4, the connection tank 200 is clamped on the surface of the connection block 201 to squeeze the limit buckle 402, meanwhile, the guide tank 300 is driven to be butted with the guide block 301 to play a guiding role, the limit buckle 402 is extruded and contracted into the inner part of the inner tank 401 by external force, the embedded tank 500 is driven to slide on the surface of the fixing rod 502 through the through hole 501 to extrude the telescopic spring 503 to deform, the connection tank 200 and the connection block 201 are enabled to be completely clamped and connected, at the moment, the limit buckle 402 is reset and ejected from the inner part of the inner tank 401 under the action of the telescopic spring 503, the end part of the limit buckle 402 is clamped into the inner part of the limit tank 400, the filter screen 101 is limited and fixed, so that the high-viscosity liquid poured into the inner part of the feed inlet 4 is filtered, when the driving motor 2 is required to be started, the operation block is driven to rotate through the connection shaft 601, the protection cover 600 is driven to rotate, the protection cover 600 is extruded and separated from the buckle 602 through the through hole 501, the telescopic spring 503, the liquid can be driven by the driving panel 6, and then the pump body 2 can be driven to rotate through the surface of the pump body 6, and can be driven by the pump body 2, and the pump body 2.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, 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 screw pump, includes pump body (1), the end connection of pump body (1) has driving motor (2), the top of pump body (1) is fixed with base (3), the top of pump body (1) is connected with feed inlet (4), the surface of driving motor (2) is provided with operating panel (5), the surface equidistance of operating panel (5) is provided with button (6), its characterized in that: be provided with particulate matter filtering mechanism in the top of feed inlet (4), the surface of button (6) is provided with protection machanism, particulate matter filtering mechanism includes:

the filter assembly is arranged at the top end of the feed inlet (4);

a connection assembly disposed inside the filter assembly;

a guide assembly disposed inside the connection assembly;

and the reset component is arranged in the limiting component.

2. A screw pump according to claim 1, wherein: the filter assembly comprises an expansion groove (100) formed in the top end of the inside of the feed inlet (4) and a filter screen (101) arranged in the expansion groove (100), and operating handles (102) are symmetrically fixed on the top end of the filter screen (101).

3. A screw pump according to claim 1, wherein: the connecting assembly comprises connecting grooves (200) symmetrically formed in the surface of the filter screen (101) and connecting blocks (201) symmetrically fixed on two sides of the inner wall of the expansion groove (100), and the connecting blocks (201) are connected with the connecting grooves (200) in a clamping mode.

4. A screw pump according to claim 1, wherein: the guide assembly comprises a guide groove (300) formed in the end portion of the connecting block (201) and a guide block (301) fixed inside the connecting groove (200), and the guide block (301) is connected with the guide groove (300) in a clamping mode.

5. A screw pump according to claim 1, wherein: the limiting assembly comprises limiting grooves (400) symmetrically formed in two sides of the connecting block (201) and built-in grooves (401) symmetrically formed in two sides of the inner wall of the connecting groove (200), limiting buckles (402) are arranged in the built-in grooves (401), and the limiting buckles (402) are connected with the limiting grooves (400) in a clamping mode.

6. A screw pump according to claim 5, wherein: the reset assembly comprises an embedded groove (500) formed in the limiting buckle (402) and a through hole (501) penetrating through the embedded groove (500) to the end part of the limiting buckle (402), a fixing rod (502) penetrating through the through hole (501) and connected with the embedded groove (500) is fixed in the embedded groove (401), and a telescopic spring (503) connected with the fixing rod (502) is arranged in the embedded groove (500).

7. A screw pump according to claim 1, wherein: the protection mechanism comprises a protection cover (600) which is covered on the surface of a key (6) and connected with an operation panel (5), a connecting shaft (601) is connected between the protection cover (600) and the operation panel (5), buckles (602) are symmetrically fixed on the surface of the operation panel (5), the buckles (602) are connected with the protection cover (600) in a clamping mode, and an operation block (603) is fixed at the end portion of the protection cover (600).