CN219711790U - Stator dismounting structure of single screw pump - Google Patents

Abstract

The utility model discloses a stator dismounting structure of a single-screw pump, which comprises a base and a single-screw pump assembly, wherein the inside of the base is hollow, the single-screw pump assembly comprises a motor arranged on one side of the middle part of the upper end of the base, a feeding shell arranged on one side of the motor, a stator body arranged on the feeding shell and far away from the motor end, and a discharging pipe arranged on the stator body and far away from the feeding shell end, fixing plates are arranged at the two ends of the feeding shell and the stator body, clamping grooves are formed in the two sides of the fixing plates of the feeding shell and the stator body, and U-shaped clamping blocks are clamped in the clamping grooves. This single screw pump stator dismouting structure links together stator body and pan feeding casing through the U type fixture block that sets up, replaces traditional bolted connection, and the operator of being convenient for later stage dismouting to stator body.

Description

Stator dismounting structure of single screw pump

Technical Field

The utility model relates to the technical field of single-screw pumps, in particular to a stator dismounting structure of a single-screw pump.

Background

The single screw pump is a rotor type volumetric pump, and it relies on the mutual engagement of screw and bush to produce volume change in suction cavity and discharge cavity to deliver 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. The stator of the single-screw pump consists of an external steel pipe and an internal rubber sleeve, and is one of key parts of the single-screw pump, and because the single-screw pump conveying medium generally contains impurities, the stator of the single-screw pump is a vulnerable part, and maintenance and replacement are often required, when the stator is replaced, a special tool is required to be used for fixing the stator, then the rotor meshed with the stator is rotated, the stator and the rotor can generate axial movement, so that the stator is separated from the rotor or the stator is matched and installed outside the rotor.

The utility model discloses a stator dismouting structure of single screw pump, which comprises a base, the interior left side fixedly connected with dismouting mechanism of base, dismouting mechanism does not including the drive storehouse of fixed connection left side in the base the interior right side fixedly connected with servo motor in drive storehouse, the periphery threaded connection of threaded rod has first drive piece and second drive piece, the upper end middle part front and back side of second drive piece all is connected with the stator body through fixing bolt, the opening and the fixedly connected with supporting seat of drive storehouse upper end left side front and back portion are run through to the upper end of first drive piece. According to the disassembly and assembly structure of the stator of the single-screw pump, the disassembly and assembly mechanism connected with the stator body is arranged at the inner lower part of the base, so that the stator body does not need to be manually moved leftwards to be disconnected with the rotor body when the stator body is disassembled, and the stator body is more convenient to disassemble.

Above-mentioned patent is when dismouting stator body, needs to dismantle the connecting bolt between stator body and the pan feeding casing, only need take down the bolt with the help of the instrument, need consume certain time when dismantling, and is comparatively troublesome, and for this reason, we propose a single screw pump stator dismouting structure.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-mentioned and/or problems occurring in the prior art single screw pump stator mounting and dismounting structures.

Therefore, the utility model aims to provide a stator dismounting structure of a single-screw pump, which is characterized in that a stator body and a feeding shell are connected together through a U-shaped clamping block, so that the traditional bolt connection is replaced, and an operator can conveniently dismount the stator body in the later period.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

a single screw pump stator disassembly and assembly structure, comprising:

a base, the inside of which is hollow;

the single-screw pump assembly comprises a motor, a feeding shell, a stator body and a discharging pipe, wherein the motor is arranged on one side of the middle part of the upper end of the base, the feeding shell is arranged on one side of the motor, the stator body is arranged on the feeding shell and is far away from the motor end, the discharging pipe is arranged on the stator body and is far away from the feeding shell end, fixing plates are arranged at the two end parts of the feeding shell and the stator body, clamping grooves are formed in the two sides of the fixing plates, close to the ends, of the feeding shell and the stator body, and U-shaped clamping blocks are clamped in the clamping grooves;

preferably, the base is provided with a bolt, and the bolt penetrates to the lower end of the base. The base can be fixed at the appointed position by the set bolts, so that stable placement of the base is ensured.

Preferably, a protection pad is fixed between the fixing plate of the feeding shell close to the end of the stator body and the fixing plate of the stator body close to the end of the feeding shell, and the protection pad is a rubber pad. The protection pad that sets up plays the effect of protection to the fixed plate, prevents that the fixed plate from taking place wearing and tearing.

Preferably, the limiting groove is formed in the middle of the upper end and the lower end of the clamping groove, limiting blocks are fixed at the upper end and the lower end of the U-shaped clamping block, and the outer wall of each limiting block is attached to the inner wall of each limiting groove. The limiting groove and the limiting block further ensure the stable clamping connection of the U-shaped clamping block.

Preferably, a handle is fixed in the middle of the outer wall of the U-shaped clamping block. The handle that sets up is convenient for the operator to dismantle the U type fixture block through the handle.

Preferably, the outer wall of the discharging pipe is provided with external threads, a threaded hole is formed in a fixed plate of the stator body, which is far away from the feeding shell, and the discharging pipe is in threaded connection with the threaded hole. The discharging pipe in threaded connection with the threaded hole is convenient for an operator to disassemble, assemble and replace the discharging pipe.

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

(1) The stator body is connected with the feeding shell through the U-shaped clamping block, traditional bolt connection is replaced, and the stator body is convenient to disassemble and assemble by operators in the later period.

(2) The handle arranged on the outer wall of the U-shaped clamping block is convenient for an operator to take out the U-shaped clamping block from the clamping groove by pulling the handle in the later period, and the U-shaped clamping block can be conveniently disassembled and assembled.

In summary, the utility model has the advantage of convenient disassembly and assembly of the stator body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a perspective view of a first view of the present utility model;

FIG. 2 is a schematic view of a second perspective view of the present utility model;

FIG. 3 is a schematic view of a portion of a three-dimensional structure of the present utility model;

FIG. 4 is a schematic view of a portion of a three-dimensional structure of the present utility model;

in the figure: 100. a base; 101. a bolt; 200. a single screw pump assembly; 210. a motor; 220. a feeding shell; 230. a stator body; 231. a clamping groove; 232. a limit groove; 233. a U-shaped clamping block; 234. a limiting block; 235. a handle; 236. a threaded hole; 240. a discharge pipe; 241. and (5) external threads.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a stator dismounting structure of a single-screw pump, which is characterized in that a stator body and a feeding shell are connected together through a U-shaped clamping block arranged, so that the traditional bolt connection is replaced, and an operator can conveniently dismount the stator body in the later period.

Fig. 1 to 4 are schematic structural views of an embodiment of a stator assembly and disassembly structure of a single screw pump according to the present utility model, referring to fig. 1 to 4, a main body portion of the stator assembly and disassembly structure of a single screw pump according to the present utility model includes a base 100 and a single screw pump assembly 200.

The inside of the base 100 is hollow. Preferably, in the present embodiment, the base 100 is provided with a bolt 101, the bolt 101 penetrates to the lower end of the base 100, and the bolt 101 provided on the base 100 can fix the base 100 at a designated position, thereby ensuring stable placement of the base 100.

The single screw pump assembly 200 comprises a motor 210 installed on one side of the middle of the upper end of the base 100, a feeding shell 220 arranged on one side of the motor 210, a stator body 230 installed on the end, far away from the motor 210, of the feeding shell 220, and a discharging pipe 240 installed on the end, far away from the feeding shell 220, of the stator body 230, fixing plates are arranged at two ends of the feeding shell 220 and the stator body 230, clamping grooves 231 are formed in two sides of the fixing plates, close to the ends, of the feeding shell 220 and the stator body 230, and U-shaped clamping blocks 233 are clamped in the clamping grooves 231. As an preference, in this embodiment, the fixed plate that pan feeding casing 220 is close to stator body 230 end and the fixed plate that stator body 230 is close to pan feeding casing 220 end are fixed with the protection pad between, the protection pad is the rubber pad, the protection pad that sets up plays the effect of protection to the fixed plate, prevent that the fixed plate from taking place wearing and tearing damage, the draw-in groove 232 has been seted up at the upper and lower both ends middle part of draw-in groove 231, the upper and lower both ends of U type fixture 233 are fixed with stopper 234, stopper 234 outer wall and the laminating of draw-in groove 232 inner wall, when U type fixture 233 joint was in draw-in groove 231, stopper 234 on the U type fixture 233 synchronous joint is in draw-in groove 232, further ensure that the outer wall middle part of U type fixture 233 is fixed with handle 235, the handle 235 of fixing at the outer wall of U type fixture 233 is convenient for the operator later stage take out U type fixture 233 from draw-in groove 231, the outer wall of discharging pipe 240 is provided with external screw thread 241, the fixed plate that the inner wall of keeping away from pan feeding casing 220 end is equipped with screw hole 236, 236 and 240 is installed with screw thread 240 in the screw thread 240 after the screw thread is replaced 240 to the screw thread 240, the screw thread is convenient for the operator to take out the screw thread 240.

Referring to fig. 1 to 4, a stator assembly and disassembly structure of a single screw pump according to this embodiment is specifically as follows: the operator places base 100 in appointed position, through bolt 101 with base 100 fixed mounting in appointed position, when stator body 230 needs to be taken down, the operator outwards pulls handle 235, handle 235 pulls U type fixture block 233 outside motion, take out U type fixture block 233 from draw-in groove 231, thereby make pan feeding casing 220 and stator body 230 separation, and then be convenient for the operator to the dismouting of stator body 230, simultaneously discharging pipe 240 screw-mount under the effect of external screw thread 241 in the screw hole 236 of fixed plate, later stage operator can manual rotatory discharging pipe 240 take off discharging pipe 240 from the fixed plate, be convenient for carry out dismouting change to discharging pipe 240.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The utility model provides a single screw pump stator dismouting structure which characterized in that includes:

a base (100) having a hollow interior;

the utility model provides a single screw pump subassembly (200), is in including installing motor (210) of base (100) upper end middle part one side, setting are in pan feeding casing (220) of motor (210) one side, install stator body (230) that motor (210) end were kept away from to pan feeding casing (220) and install discharging pipe (240) that pan feeding casing (220) end were kept away from to stator body (230), the both ends portion of pan feeding casing (220) and stator body (230) are provided with the fixed plate, draw-in groove (231) have been seted up to fixed plate both sides that pan feeding casing (220) and stator body (230) are close to the end, joint has U type fixture block (233) in draw-in groove (231).

2. The assembling and disassembling structure of the stator of the single screw pump according to claim 1, wherein the base (100) is provided with a bolt (101), and the bolt (101) penetrates to the lower end of the base (100).

3. The assembling and disassembling structure of a stator of a single screw pump according to claim 1, wherein a protection pad is fixed between a fixing plate of the feeding housing (220) near the end of the stator body (230) and a fixing plate of the stator body (230) near the end of the feeding housing (220), and the protection pad is a rubber pad.

4. The disassembly and assembly structure of the stator of the single-screw pump according to claim 1, wherein the middle parts of the upper end and the lower end of the clamping groove (231) are provided with limiting grooves (232), the upper end and the lower end of the U-shaped clamping block (233) are fixedly provided with limiting blocks (234), and the outer walls of the limiting blocks (234) are attached to the inner walls of the limiting grooves (232).

5. The assembling and disassembling structure of the stator of the single screw pump according to claim 1, wherein a handle (235) is fixed in the middle of the outer wall of the U-shaped clamping block (233).

6. The stator dismounting structure of the single-screw pump according to claim 1, wherein an external thread (241) is provided on an outer wall of the discharging pipe (240), a threaded hole (236) is provided on a fixing plate of the stator body (230) far away from the feeding shell (220), and the discharging pipe (240) is in threaded connection with the threaded hole (236).