Anti-rotation structure of flow guide shell of submersible pump for well

Abstract

The utility model discloses a well submersible pump diversion shell anti-rotation structure which comprises a diversion shell, the bottom of the diversion shell is provided with a water inlet end, and the water inlet end sucks water and conveys the water into the diversion shell; a connecting assembly is arranged at the bottom of the water inlet end, a mounting frame is fixedly connected below the connecting assembly, and the mounting frame is connected with a driving device; a water outlet end is arranged at the top of the flow guide shell; a plurality of reinforcing assemblies which are annularly distributed at equal intervals are arranged between the water inlet end and the water outlet end, and the reinforcing assemblies are at least used for fixedly connecting the flow guide shell, the water inlet end and the water outlet end, so that the flow guide shell is prevented from rotating during water delivery. The diversion shell is fixedly connected with the water inlet end and the water outlet end through a plurality of reinforcing assemblies, the diversion shell, the water inlet end and the water outlet end form a fixed integral structure, and the diversion shell, the water inlet end and the water outlet end are connected with the driving device through the connecting assembly, so that the diversion shell is prevented from rotating during working, and the stability of the diversion shell is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to well submersible pump technology field, concretely relates to well submersible pump flow guide shell anti -rotation structure. BACKGROUND

[0002] Well submersible pump has been widely used in various fields, along with the development of science and technology and the demand of the whole country to energy saving and emission reduction, the hydraulic performance and reliability of well submersible pump also have been put forward higher requirements.

[0003] Such as the application number for CN202022827367.4 a well submersible pump flow guide shell anti -rotation structure, its features are by water outlet shell, pressure circle, flow guide shell, joint frame is formed, is equipped with anti -rotation groove in the bottom of pressure circle, and the anti -rotation groove is mutually inserted and connected with the anti -rotation block of the top of the next group of flow guide shell, and the bottom anti -rotation groove of flow guide shell is again inserted and connected with the anti -rotation block of the top of the next group of flow guide shell, and the bottom anti -rotation groove of the last group of flow guide shell is inserted and connected with the anti -rotation block of joint frame, four anti -rotation grooves, anti -rotation block are fixedly connected in the circumferential direction through the circumferential distribution of the cooperation place of each pressure circle, flow guide shell and joint frame, the axial mutual fixation of stator assembly is formed after the connection of water outlet shell and joint frame, realizes the whole anti -rotation structure of well submersible pump.The utility model realizes that the structure anti -rotation strength is high, and the reliability is good, improves the hydraulic performance and life of well submersible pump.

[0004] The current submersible pump flow guide shell installation and fixed mode, although can satisfy the use requirement, but for the submersible pump of requiring large lift, the current fixed mode is still unreliable, is easy to make flow guide shell rotate or damage, reduces the service life of flow guide shell.Therefore, it is urgent to design well submersible pump flow guide shell anti -rotation structure to solve the above -mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing well submersible pump flow guide shell anti -rotation structure to solve the above -mentioned insufficient in prior art.

[0006] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme:

[0007] Well submersible pump flow guide shell anti -rotation structure, including flow guide shell, the bottom of flow guide shell is provided with water inlet end, and the water inlet end sucks water and transports to the inside of flow guide shell;

[0008] The bottom of water inlet end is provided with connecting assembly, and the lower fixed connection of connecting assembly has mount, and the mount is connected with driving device;

[0009] The top of flow guide shell is provided with water outlet end;

[0010] The reinforcing assembly is arranged between the water inlet end and the water outlet end, and is used for fixed connection between the flow guide shell, the water inlet end and the water outlet end, so that rotation of the flow guide shell is prevented when water is transported.

[0011] Preferably, the flow guide shell is composed of a plurality of stacked splicing assemblies.

[0012] Preferably, the top of the flow guide shell is provided with a plurality of anti-rotation clamping grooves, and the bottom of the flow guide shell is provided with a plurality of anti-rotation tenon heads.

[0013] Preferably, the inner side walls of the top and the bottom of the flow guide shell are both provided with sealing grooves, and the sealing grooves are internally provided with sealing rings.

[0014] Preferably, the outer wall of the flow guide shell is provided with a plurality of screw rod groove positions one, and the side walls of the water inlet end and the water outlet end are both provided with a plurality of screw rod groove positions two corresponding to the screw rod groove positions one and equal to the screw rod groove positions one.

[0015] Preferably, the outer sides of the screw rod groove positions one and the screw rod groove positions two are both provided with anti-unclamping rings, and the anti-unclamping rings are fixedly installed on the outer walls of the water inlet end and the water outlet end.

[0016] Preferably, the connecting assembly comprises a plurality of pull rods fixed at the bottom of the water inlet end, and the end portions of the pull rods are provided with nut locking members one.

[0017] Preferably, the reinforcing assembly comprises a screw head rod, the two ends of the screw head rod are arranged on the side faces of the water inlet end and the water outlet end, and the two ends of the screw head rod are both provided with nut locking members two.

[0018] In the above technical solution, the anti-rotation structure of the flow guide shell of the submersible pump for wells has the following beneficial effects:

[0019] The flow guide shell, the water inlet end and the water outlet end are fixedly connected through the plurality of reinforcing assemblies, and form a fixed overall structure.

[0020] The connecting assembly and the driving device are connected, rotation of the flow guide shell is avoided when the flow guide shell works, and the stability of the flow guide shell is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0022] Figure 1The utility model discloses a structure schematic diagram of the anti-rotation structure of the guide shell of the well submersible pump is provided.

[0023] Figure 2 The utility model discloses a structure schematic diagram of the reinforcing assembly of the anti-rotation structure of the guide shell of the well submersible pump is provided.

[0024] Figure 3 The utility model discloses a two-end connecting structure schematic diagram of the guide shell of the anti-rotation structure of the guide shell of the well submersible pump is provided.

[0025] Figure 4 The utility model discloses a structure schematic diagram of the guide shell of the anti-rotation structure of the guide shell of the well submersible pump is provided.

[0026] Figure 5 The utility model discloses a structure schematic diagram of the connecting assembly of the anti-rotation structure of the guide shell of the well submersible pump is provided.

[0027] 1, guide shell;11, anti-rotation slot;12, sealing groove;13, sealing ring;14, anti-rotation tenon;15, screw rod slot one;2, mounting frame;3, connecting assembly;31, pull rod;32, nut locking piece one;4, water inlet end;41, screw rod slot two;42, anti-unclamping ring;5, water outlet end;6, reinforcing assembly;61, screw head rod;62, nut locking piece two. DETAILED DESCRIPTION

[0028] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below with the accompanying drawings.

[0029] As Figures 1-5 The utility model discloses an anti-rotation structure of the guide shell of the well submersible pump, including guide shell 1, the bottom of guide shell 1 is provided with water inlet end 4, and water inlet end 4 sucks in and transports water to the inside of guide shell 1, the bottom of water inlet end 4 is provided with connecting assembly 3, and the lower portion of connecting assembly 3 is fixedly connected with mounting frame 2, and mounting frame 2 is connected with driving device, the top of guide shell 1 is provided with water outlet end 5, and water inlet end 4 and water outlet end 5 are provided with a plurality of reinforcing assembly 6 that are annularly distributed at equal distances, and reinforcing assembly 6 is at least used for the fixed connection between guide shell 1, water inlet end 4 and water outlet end 5, to prevent guide shell 1 from rotating when conveying water.

[0030] In the embodiment, including guide shell 1, guide shell 1 is hollow cylindrical structure, is used for the rotation of submersible pump cooperation impeller and pumps water, and the performance of guide shell 1 determines the lift of submersible pump;

[0031] Specifically, guide shell 1 is by a plurality of stacked splicing components.

[0032] Specific, the top of the flow guide shell 1 is provided with several anti-rotation clamping slots 11, the bottom of the flow guide shell 1 is provided with several anti-rotation tenon 14, for example, the connection between two adjacent flow guide shell 1, the anti-rotation tenon 14 at the bottom of the upper flow guide shell 1 is inserted into the anti-rotation clamping slot 11 above the lower flow guide shell 1, the bottom view shape of the anti-rotation tenon 14 is isosceles trapezoid, which improves the connection strength between the upper and lower flow guide shell 1, and the connection between the flow guide shell 1 and the water inlet end 4 and the water outlet end 5 is the same as above.

[0033] Specific, the top and bottom of the flow guide shell 1 are provided with sealing grooves 12 on the inner side walls, and sealing rings 13 are arranged in the sealing grooves 12, and the contact inner side between the flow guide shell 1 and the water inlet end 4 and the water outlet end 5 is sealed by the sealing grooves 12 and the sealing rings 13.

[0034] Specific, the outer wall of the flow guide shell 1 is provided with several screw rod grooves one 15, the side walls of the water inlet end 4 and the water outlet end 5 are provided with several screw rod grooves two 41 corresponding to the screw rod grooves one 15 and equal to the screw rod grooves one 15, and one half of the screw rod 61 is embedded in the inside of the screw rod grooves one 15 and the screw rod grooves two 41, so that the flow guide shell 1 and the water inlet end 4 and the water outlet end 5 form an integral structure, which strengthens the strength of the flow guide shell 1 and avoids rotation during work.

[0035] Specific, the outer sides of the screw rod grooves one 15 and the screw rod grooves two 41 are provided with anti-unclamping rings 42, the anti-unclamping rings 42 are fixedly installed on the outer walls of the water inlet end 4 and the water outlet end 5, after the screw rod 61 is inserted into the screw rod grooves between the flow guide shell 1 and the water inlet end 4 and the water outlet end 5, the anti-unclamping rings 42 are used to fix the screw rod 61, which further strengthens the connection effect.

[0036] In this embodiment, the bottom of the flow guide shell 1 is provided with the water inlet end 4, the water inlet end 4 sucks water into and delivers to the inside of the flow guide shell 1;

[0037] In this embodiment, the bottom of the water inlet end 4 is provided with a connecting assembly 3, and the lower portion of the connecting assembly 3 is fixedly connected with a mounting frame 2, the mounting frame 2 is connected with a driving device, and the driving device is a motor of a submersible pump;

[0038] Specifically, the connecting assembly 3 comprises a plurality of pull rods 31 fixed to the bottom of the water inlet end 4, and the end of the pull rod 31 is provided with a nut locking piece one 32, the pull rod 31 and the nut locking piece one 32 are connected with the shell of the motor, so that the flow guide shell 1 and the shell of the motor form an integral structure, and the flow guide shell 1 is prevented from rotating.

[0039] In this embodiment, the top of the flow guide shell 1 is provided with the water outlet end 5;

[0040] In the embodiment, reinforcing assemblies 6 are arranged between the water inlet end 4 and the water outlet end 5 in a ring shape at equal distances, and the reinforcing assemblies 6 are used at least for fixed connection between the flow guide shell 1, the water inlet end 4 and the water outlet end 5, so as to prevent the flow guide shell 1 from rotating during water conveying.

[0041] Specifically, the reinforcing assembly 6 comprises a wire head rod 61, both ends of the wire head rod 61 are arranged on the side surface of the water inlet end 4 and the water outlet end 5, both ends of the wire head rod 61 are provided with a nut locking piece two 62, the wire head rod 61 is fixed in the lead screw groove inside between the flow guide shell 1 and the water inlet end 4 and the water outlet end 5, and the end of the wire head rod 61 is fixed by the nut locking piece two 62, the nut locking piece comprises two same nuts and a gasket in the middle, so as to avoid loosening after long time use.

[0042] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled in the art, under the condition of not deviating from the spirit and scope of the utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A non-rotation structure of a guide shell of a submersible pump for a well, characterized by, The utility model provides a water conservancy diversion device, including the flow guide shell (1), the bottom of flow guide shell (1) is provided with water inlet end (4), water inlet end (4) suck and deliver to the inside of flow guide shell (1) with water, The bottom of water inlet end (4) is provided with connecting assembly (3), and the lower connecting assembly (3) is fixedly connected with mounting bracket (2), the mounting bracket (2) is connected with driving device, The top of flow guide shell (1) is provided with water outlet end (5), Water inlet end (4) and water outlet end (5) between being provided with a plurality of ring distribution's reinforcing assembly (6) of equal distance, reinforcing assembly (6) at least for the fixed connection between flow guide shell (1), water inlet end (4) and water outlet end (5), thereby prevent flow guide shell (1) from rotating when conveying water.

2. The anti-rotation structure for a well submersible pump volute according to claim 1, characterized in that, The flow guide shell (1) is by a plurality of stacked splicing components.

3. The anti-rotation structure for a well submersible pump volute according to claim 1, characterized in that, The top of flow guide shell (1) is provided with a plurality of anti-rotation clamping grooves (11), and the bottom of flow guide shell (1) is provided with a plurality of anti-rotation tenons (14).

4. The anti-rotation structure for a well submersible pump volute according to claim 3, characterized in that, The inner side wall of the top and bottom of the flow guide shell (1) is provided with a sealing groove (12), and the sealing groove (12) is provided with a sealing ring (13) inside.

5. The anti-rotation structure for a well submersible pump volute according to claim 4, characterized in that, The outer wall of the flow guide shell (1) is provided with a plurality of lead screw groove positions one (15), the side wall of the water inlet end (4) and the water outlet end (5) is provided with a plurality of lead screw groove positions two (41) corresponding to the lead screw groove positions one (15) and equal.

6. The anti-rotation structure for a well submersible pump volute according to claim 5, characterized in that, The outer side of the lead screw groove positions one (15) and the lead screw groove positions two (41) is provided with an anti-unclamping ring (42), and the anti-unclamping ring (42) is fixedly installed on the outer wall of the water inlet end (4) and the water outlet end (5).

7. The anti-rotation structure for a well submersible pump volute according to claim 1, characterized in that, The connecting assembly (3) includes a plurality of pull rods (31) fixed on the bottom of the water inlet end (4), and the end of the pull rod (31) is provided with a nut locking member one (32).

8. The anti-rotation structure for a well submersible pump volute according to claim 1, characterized by The reinforcing assembly (6) includes a wire head rod (61), the wire head rod (61) is provided on the side of the water inlet end (4) and the water outlet end (5) at both ends, and the wire head rod (61) is provided with a nut locking member two (62) at both ends.

Images