Anti-blocking single-screw pump

Abstract

The utility model discloses an anti-blocking single-screw pump which comprises a base, a mounting shell is fixedly connected to the top of the base, a mounting cavity is formed in the mounting shell, a screw is rotationally connected to the inner side wall of the mounting cavity, and a motor and a gearbox are fixedly connected to the top of the base. An output shaft of the motor is fixedly connected with the input end of the gearbox, and the output end of the gearbox is fixedly connected with a rotating rod. The mounting frame, the mounting rack and the filter screen are used in cooperation, impurities in media entering the pump body are filtered in a multiple mode, the pump body is prevented from being blocked and damaged by the impurities, the lead screw, the sleeve rod and the mounting frame are used in cooperation, the mounting frame can be conveniently mounted, fixed and pulled away, and when the filter screen is cleaned, the filter screen can be cleaned conveniently. And only the turntable needs to be rotated, bolt fixation is avoided, the mounting frame is still convenient to take out for cleaning when no tool is available, and the use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to single screw pump technical field especially relates to a single screw pump of anti - jam. BACKGROUND

[0002] Single screw pump belongs to rotatory volume pump, it is relied on screw rod and bushing intermeshing in suction chamber and discharge chamber and produces volume change to deliver liquid, it is a kind of intermeshing closed screw pump, and main working parts are composed of bushing (stator) with double-end spiral cavity and single-end spiral screw rod (rotor) intermeshing in stator cavity.

[0003] According to retrieval, it is found that the public no. CN212360168U discloses a kind of single screw pump of anti - jam, it is related to single screw pump field, including base, the base is cuboid plate structure, the upper surface of the base is fixedly connected with screw pump body, motor by several bolts, and the rotating shaft end of motor extends into the inside of screw pump body, one end of the screw pump body is provided with a water inlet, the periphery of the screw pump body is provided with a water outlet, the water outlet is fixedly connected with a filter system by four bolts, a filter device is arranged in the filter system, the filter device includes a filter hopper, a limiting plate and a filter residue collector, the other end of the filter system is fixedly connected with a water pipe.

[0004] The single screw pump filters impurities through the filter hopper when in use. As the use time increases, the filter hopper needs to be disassembled from the single screw pump for cleaning. During the disassembly and assembly process, tools are needed to disassemble and assemble the bolts, which is inconvenient for cleaning and affects use. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that single screw pump is not convenient to disassemble and clean the filter device in the prior art, and provides a single screw pump of anti - jam.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A single screw pump of anti - jam, including base, the top of base is fixedly connected with installation shell, the inside of installation shell is provided with installation cavity, the inner side wall of installation cavity is rotatably connected with screw rod, the top of base is fixedly connected with motor and gearbox respectively, the output shaft of motor is fixedly connected with the input end of gearbox, the output end of gearbox is fixedly connected with rotating rod, the rotating rod penetrates installation cavity and is fixedly connected with the outer side wall of screw rod, the top of installation shell is provided with feeding port, the outer side wall of installation shell is provided with discharge port, the feeding port and discharge port are respectively provided with first connecting block and second connecting block, the inside of installation shell is provided with fixed cavity, the fixed cavity is communicated with feeding port, the fixed cavity is provided with filter mechanism.

[0008] Preferably, the filtering mechanism comprises a mounting frame, a plurality of mounting racks are arranged in the mounting frame, a filter screen is fixedly connected in the mounting rack, the mounting racks are fixedly connected through fixing rods, a through hole is arranged in the inner side wall of the fixing cavity and communicates with the mounting cavity, and a mounting mechanism for fixing the mounting rack is arranged on the mounting shell.

[0009] Preferably, two symmetrical horizontal plates are fixedly connected to the inner side wall of the mounting frame, a limiting rod is fixedly connected to the top of the horizontal plate, a limiting hole is arranged in the outer side wall of the mounting rack and is matched with the limiting rod, and the limiting rod penetrates through the limiting hole and extends upward.

[0010] Preferably, the mounting mechanism comprises a mounting block fixedly connected to the outer side wall of the mounting frame, a moving hole matched with the mounting block is arranged in the outer side wall of the fixing cavity, a sealing rubber pad is fixedly sleeved to the outer side wall of the mounting block, and the outer side wall of the sealing rubber pad is in close contact with the inner side wall of the moving hole.

[0011] Preferably, the bottom of the mounting block is slidably connected to the top of the mounting shell, a fixing plate is fixedly connected to the top of the mounting shell, a lead screw penetrates through and is rotatably connected to the fixing plate, a sleeve rod is threadedly connected to the outer side wall of the lead screw, and the outer side wall of the sleeve rod is fixedly connected to the outer side wall of the mounting block.

[0012] Preferably, a rotating disc is fixedly connected to the outer side wall of the end of the lead screw away from the sleeve rod, and a handle is fixedly connected to the outer side wall of the rotating disc.

[0013] The beneficial effects of the utility model are as follows:

[0014] Through the cooperation of the mounting frame, the mounting rack and the filter screen, the impurities in the medium entering the pump body are filtered multiple times, so that the pump body is prevented from being blocked and damaged by the impurities, and through the cooperation of the lead screw, the sleeve rod and the mounting frame, the mounting frame can be conveniently installed, fixed and separated, so that when the filter screen is cleaned, the rotating disc only needs to be rotated, the use of bolts is avoided, and the mounting frame can be conveniently taken out and cleaned when lacking tools. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The utility model provides a kind of structure diagram of single screw pump of anti-blocking for the utility model;

[0016] Fig. 2 The utility model provides a kind of connection structure diagram of filter screen and mounting frame in single screw pump of anti-blocking for the utility model.

[0017] In the figure: 1, base; 2, mounting shell; 3, screw rod; 4, motor; 5, gearbox; 6, first connecting block; 7, second connecting block; 8, mounting frame; 9, mounting frame; 10, filter screen; 11, fixed rod; 12, limiting rod; 13, mounting block; 14, fixed plate; 15, screw rod; 16, sleeve rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] Referring to Figs. 1-2 A kind of anti-clogging single screw pump, including base 1, base 1 top is fixedly connected with mounting shell 2, mounting cavity is set in mounting shell 2 inside, screw rod 3 is rotatably connected in mounting cavity inner side wall, base 1 top is fixedly connected with motor 4 and gearbox 5 respectively, motor 4 is servo motor, it is prior art, not do here redundant description, gearbox 5 is provided with variable speed gear set (not shown) inside, it is prior art, not do here redundant description, motor 4 output shaft is fixedly connected with the input end of gearbox 5, the output end of gearbox 5 is fixedly connected with rotating rod, rotating rod penetrates mounting cavity and is fixedly connected with the outer side wall of screw rod 3.

[0020] Mounting shell 2 top is set with feed inlet, mounting shell 2 outer side wall is set with discharge port, feed inlet and discharge port are provided with first connecting block 6 and second connecting block 7 respectively, by the setting of first connecting block 6 and second connecting block 7, it is convenient to install and fix feed pipe and discharge pipe, mounting cavity is set in mounting shell 2 inside, mounting cavity and feed inlet are communicated, and filter mechanism is arranged in the fixed cavity.

[0021] Wherein, filter mechanism includes mounting frame 8, a plurality of mounting frames 9 are arranged in mounting frame 8, filter screen 10 is fixedly connected in mounting frame 9, multiple filtering is carried out through multiple filter screens 10, the filtering effect of medium is improved, avoid impurities to enter mounting cavity and cause blockage, a plurality of mounting frames 9 are fixedly connected by fixed rod 11, the inner side wall of fixed cavity is set with the through opening that is communicated with mounting cavity, and mounting mechanism for fixing mounting frame 9 is arranged on mounting shell 2.

[0022] The inner side wall of mounting frame 8 is fixedly connected with two symmetrical horizontal plates, the top of horizontal plate is fixedly connected with limiting rod 12, the outer side wall of mounting frame 9 is set with limiting port matched with limiting rod 12, and limiting rod 12 passes through limiting port and extends upwards.

[0023] The installation mechanism comprises the installation block 13 fixedly connected with the outer side wall of the installation frame 8, the moving opening is arranged in the outer side wall of the fixed cavity and matched with the installation block 13, the outer side wall of the installation block 13 is fixedly sleeved with the sealing rubber pad, the outer side wall of the sealing rubber pad is tightly contacted with the inner side wall of the moving opening, the sealing property of the fixed cavity is improved, and leakage is avoided.

[0024] The bottom of the installation block 13 is slidably connected with the top of the installation shell 2, the top of the installation shell 2 is fixedly connected with the fixed plate 14, the fixed plate 14 is rotatably connected with the lead screw 15, the outer side wall of the lead screw 15 is threadedly connected with the sleeve rod 16, and the outer side wall of the sleeve rod 16 is fixedly connected with the outer side wall of the installation block 13.

[0025] The outer side wall of the end, away from the sleeve rod 16, of the lead screw 15 is fixedly connected with the rotating disc, and the outer side wall of the rotating disc is fixedly connected with the handle.

[0026] In the utility model, the rotating disc is driven to rotate by rotating the handle clockwise, the lead screw 15 is rotated, the sleeve rod 16 is driven to move towards the fixed plate 14, the installation block 13 is driven to move outwards of the moving opening, the installation frame 8 is separated from the fixed cavity, the mounting frame 9 can be taken out, the impurities on the filter screen 10 can be cleaned, the handle is rotated counterclockwise, the lead screw 15 is reversed, the sleeve rod 16 pushes the installation frame 8 to move into the fixed cavity, the installation block 13 is fixedly limited by the sleeve rod 16, and the cleaning and maintenance work of the filter screen 10 is completed.

[0027] The above merely describes a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A single screw pump with anti-clogging comprising a base (1), characterized in that, The base (1) top fixedly connected with installation shell (2), the installation shell (2) inside is provided with installation cavity, the inside wall of installation cavity is rotatably connected with screw rod (3), the base (1) top is fixedly connected with motor (4) and gearbox (5) respectively, the motor (4) output shaft and gearbox (5) input end fixedly connected, the output end of gearbox (5) is fixedly connected with rotating rod, the rotating rod passes through installation cavity and is fixedly connected with the outside wall of screw rod (3), the top of installation shell (2) is provided with feed inlet, the outside wall of installation shell (2) is provided with discharge port, the feed inlet and discharge port are provided with first connecting block (6) and second connecting block (7) respectively, the inside of installation shell (2) is provided with fixed cavity, the fixed cavity and feed inlet are communicated, the fixed cavity is provided with filter mechanism.

2. A single screw pump according to claim 1, wherein The filter mechanism includes a mounting frame (8), a plurality of mounting frames (9) are provided in the mounting frame (8), a filter screen (10) is fixedly connected in the mounting frame (9), a plurality of mounting frames (9) are fixedly connected by a fixing rod (11), the inside wall of the fixed cavity is provided with a through hole communicating with the installation cavity, and the mounting shell (2) is provided with a mounting mechanism for fixing the mounting frame (9).

3. A non-clogging single screw pump according to claim 2, wherein The inside wall of the mounting frame (8) is fixedly connected with two symmetrical horizontal plates, the top of the horizontal plate is fixedly connected with a limiting rod (12), the outside wall of the mounting frame (9) is provided with a limiting hole matched with the limiting rod (12), and the limiting rod (12) passes through the limiting hole and extends upward.

4. A non-clogging single screw pump in accordance with claim 2, wherein The mounting mechanism includes a mounting block (13) fixedly connected with the outside wall of the mounting frame (8), the outside wall of the fixed cavity is provided with a moving hole matched with the mounting block (13), the outside wall of the mounting block (13) is fixedly sleeved with a sealing rubber pad, and the outside wall of the sealing rubber pad is in close contact with the inside wall of the moving hole.

5. A non-clogging single screw pump according to claim 4, wherein The bottom of the mounting block (13) is slidably connected with the top of the mounting shell (2), the top of the mounting shell (2) is fixedly connected with a fixed plate (14), the fixed plate (14) is rotatably connected with a lead screw (15) penetrating therethrough, the outside wall of the lead screw (15) is threadedly connected with a sleeve rod (16), and the outside wall of the sleeve rod (16) is fixedly connected with the outside wall of the mounting block (13).

6. A non-clogging single screw pump according to claim 5, wherein The outside wall of the lead screw (15) away from the sleeve rod (16) is fixedly connected with a rotating disc, and the outside wall of the rotating disc is fixedly connected with a handle.

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