Flow guide shell of rotary submersible pump for well

Abstract

The utility model discloses a rotary well submersible pump flow guide shell which comprises a flow guide shell body, and a first connecting ring is fixedly connected to the outer wall of one side of the flow guide shell body. During use, the pull rod is pulled firstly, the two ends of the telescopic spring are connected with the supporting base and the connecting piece respectively, the pull rod is fixedly connected with the fixing plate through the connecting piece, and then the fixing plate is driven to move out of the sliding groove; at the moment, the positioning column on one flow guide shell body is inserted into the sliding groove in the other flow guide shell body, so that the second connecting ring on one flow guide shell body is in butt joint with the first connecting ring on the other flow guide shell body; then the pull rod is loosened, the compressed telescopic spring stretches and resets and drives the pull rod to move towards the positioning column, then the fixing plate is driven to be inserted into a limiting groove formed in the inner side of the positioning column, the interior of the positioning column is limited in the supporting base, and at the moment, the two flow guide shell bodies are in butt joint together; and a screw rod can be conveniently screwed into the two flow guide shell bodies for reinforcement subsequently.

Description

TECHNICAL FIELD

[0001] The utility model relates to submersible pump flow guide shell technical field, concretely relates to the rotation type well submersible pump flow guide shell. BACKGROUND

[0002] Submersible pump is the important equipment of water lifting. When using, the whole unit is submerged in water and works, extracts the underground water to the ground surface, is widely used in the direction such as domestic water extraction, mine rescue, industrial cooling, farmland irrigation, seawater lifting, ship load adjustment, fountain landscape. Submersible pump flow guide shell, also known as space guide vane, its main function is to change the flow direction of liquid flowing out of impeller outlet, and deliver these liquids to the next stage impeller inlet or pump outlet.

[0003] The existing rotation type well submersible pump flow guide shell can be fixedly connected together by screw rod for use, but the two adjacent flow guide shells need to be manually supported for butt joint together when fixing, cannot be positioned and butt joint before fixing, and it is inconvenient to connect and fix the two flow guide shells. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing rotation type well submersible pump flow guide shell to solve the above insufficient in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The rotation type well submersible pump flow guide shell, including flow guide shell body, the one side outer wall of flow guide shell body is fixedly connected with first connecting ring, the other side outer wall of flow guide shell body is fixedly connected with second connecting ring, the top of first connecting ring is equipped with recess, the recess is fixedly connected with mounting plate near first connecting ring, the mounting plate is fixedly connected with support seat, the inner side of support seat is equipped with sliding slot, the outer wall of second connecting ring is fixedly connected with positioning column, the positioning column is matched with sliding slot, the inner side of positioning column is equipped with limiting slot, the inside of support seat is slidably connected with pull rod, one end of pull rod is fixedly connected with fixed plate through connecting piece, the fixed plate is matched with limiting slot, and the connecting piece is provided with telescopic spring between support seat.

[0007] Preferably, the inner side of support seat is equipped with guide slot, the outer wall of positioning column is fixedly connected with guide plate, and the guide plate is matched with guide slot.

[0008] Preferably, the inner side of support seat is equipped with communication groove, and the communication groove is matched with fixed plate.

[0009] Preferably, the movable slot is slidably connected with pull rod.

[0010] Preferably, one end of the pull rod is fixedly connected with a handle away from the fixed plate.

[0011] Preferably, a plurality of reinforcing rods are arranged between the first connecting ring and the second connecting ring, and the reinforcing rods are annularly distributed.

[0012] Preferably, a connecting screw is arranged inside the first connecting ring and the second connecting ring, the connecting screw is threadedly connected with the first connecting ring and the second connecting ring, and both ends of the connecting screw are provided with locking washers and fixing nuts.

[0013] In the above technical solution, the utility model provides a rotary type well submersible pump flow guide shell, and has the beneficial effects that:

[0014] First, pull the pull rod, because the telescopic spring is respectively connected with the support seat and the connecting piece at both ends, the pull rod is fixedly connected with the fixed plate through the connecting piece, and then drives the fixed plate to move out from the inside of the sliding groove. At this time, the positioning column on one flow guide shell body is inserted into the sliding groove on the other flow guide shell body, so that the second connecting ring on one flow guide shell body is butted to the first connecting ring on the other flow guide shell body. Then, loosen the pull rod, the compressed telescopic spring is stretched and reset and drives the pull rod to move to the direction of the positioning column, and then drives the fixed plate to be inserted into the limiting groove arranged on the inside of the positioning column, so that the positioning column is limited in the inside of the support seat, at this time, the two flow guide shell bodies are butted together, and it is convenient to screw the screw into the inside of the two flow guide shell bodies for reinforcement. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used 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 also be obtained according to these drawings for those skilled in the art.

[0016] Figure 1 The overall structure front view of the utility model rotary type well submersible pump flow guide shell embodiment is provided.

[0017] Figure 2 The split structure schematic view of the utility model rotary type well submersible pump flow guide shell embodiment is provided.

[0018] Figure 3 The butt joint structure schematic view of the utility model rotary type well submersible pump flow guide shell embodiment is provided.

[0019] Figure 4 The split structure schematic view of the utility model rotary type well submersible pump flow guide shell embodiment is provided. Figure 3 structure

[0020] Figure 5 The utility model discloses a whole structure bottom view provided by the embodiment of the rotating type well submersible pump flow guide shell.

[0021] 1, flow guide shell body;2, first connecting ring;3, second connecting ring;4, recess;5, mounting plate;6, support seat;7, sliding groove;8, positioning column;9, guide groove;10, guide plate;11, movable slot;12, pull rod;13, extension spring;14, connecting piece;15, fixed plate;16, communication groove;17, limiting groove;18, handle;19, reinforcing rod;20, connecting screw;21, locking washer;22, fixed nut. DETAILED DESCRIPTION

[0022] 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 drawings.

[0023] As Figures 1-5 The utility model discloses a rotating type well submersible pump flow guide shell, including flow guide shell body 1, the one side outer wall fixed connection of flow guide shell body 1 has first connecting ring 2, and the other side outer wall fixed connection of flow guide shell body 1 has second connecting ring 3, the top of first connecting ring 2 is set with recess 4, and first connecting ring 2 is fixedly connected with mounting plate 5 near recess 4, and mounting plate 5 is fixedly connected with support seat 6, and the inside of support seat 6 is set with sliding groove 7, and the outer wall fixed connection of second connecting ring 3 has positioning column 8, and positioning column 8 is matched with sliding groove 7, and the inside of positioning column 8 is set with limiting groove 17, and the inside sliding connection of support seat 6 has pull rod 12, and one end of pull rod 12 is fixedly connected with fixed plate 15 through connecting piece 14, and fixed plate 15 is matched with limiting groove 17, and the interval of connecting piece 14 and support seat 6 is provided with extension spring 13.

[0024] In the embodiment, first pull rod 12, because extension spring 13 both ends are respectively with support seat 6 and connecting piece 14 meet, pull rod 12 is fixedly connected with fixed plate 15 through connecting piece 14, and then drive fixed plate 15 to move from the inside of sliding groove 7, at this time, the positioning column 8 on one flow guide shell body 1 is inserted into the sliding groove 7 on another flow guide shell body 1, so that the second connecting ring 3 on one flow guide shell body 1 is butt jointed to the first connecting ring 2 on another flow guide shell body 1, then loosen pull rod 12, and the extension spring 13 of compression is stretched and resets and drives pull rod 12 to move to the direction of positioning column 8, and then drive fixed plate 15 to be inserted into the limiting groove 17 set in the inside of positioning column 8, so that positioning column 8 is limited in the inside of support seat 6, at this time, two flow guide shell bodies 1 are butt jointed together, and it is convenient for subsequent screw rod to be screwed into the inside of two flow guide shell bodies 1 and be reinforced.

[0025] Specifically, the inner side of the support base 6 is provided with a guide groove 9, and the outer wall of the positioning column 8 is fixedly connected with a guide plate 10 matched with the guide groove 9.

[0026] In this embodiment, when the positioning column 8 slides in the sliding groove 7, the guide plate 10 fixedly connected to the outer wall of the positioning column 8 slides in the guide groove 9 formed in the inner side of the support base 6. The guide groove 9 has a limiting and guiding effect, which can ensure that the limiting groove 17 corresponds to the fixed plate 15, facilitating the subsequent insertion of the fixed plate 15 into the limiting groove 17 to limit and position the positioning column 8.

[0027] Specifically, the inner side of the support base 6 is provided with a communication groove 16 matched with the fixed plate 15.

[0028] In this embodiment, the communication groove 16 is formed in the inner side of the support base 6, facilitating the sliding of the fixed plate 15 in the support base 6.

[0029] Specifically, the support base 6 is provided with a movable groove 11 near the pull rod 12, and the movable groove 11 is in sliding connection with the pull rod 12.

[0030] In this embodiment, the movable groove 11 is formed near the pull rod 12, facilitating the sliding of the pull rod 12 in the support base 6. In addition, the movable groove 11 also has a limiting and guiding effect on the moving pull rod 12.

[0031] Specifically, the pull rod 12 is fixedly connected with a handle 18 at the end away from the fixed plate 15.

[0032] In this embodiment, the handle 18 is fixedly connected to one end of the pull rod 12, facilitating the use of the handle 18 to pull the pull rod 12.

[0033] Specifically, a plurality of reinforcing rods 19 are arranged between the first connecting ring 2 and the second connecting ring 3, and the plurality of reinforcing rods 19 are arranged in a ring shape.

[0034] In this embodiment, the plurality of reinforcing rods 19 are arranged between the first connecting ring 2 and the second connecting ring 3, so that the reinforcing rods 19 can increase the pre-tightening force between the first connecting ring 2 and the second connecting ring 3.

[0035] Specifically, a connecting screw 20 is arranged in the first connecting ring 2 and the second connecting ring 3, and the connecting screw 20 is in threaded connection with the first connecting ring 2 and the second connecting ring 3. The two ends of the connecting screw 20 are provided with locking washers 21 and fixed nuts 22.

[0036] In this embodiment, when the two flow guide shell bodies 1 are connected together, the connecting screw 20 is screwed into the corresponding first connecting ring 2 and second connecting ring 3, and then the two ends of the connecting screw 20 are provided with locking washers 21 and fixed nuts 22, so that the two flow guide shell bodies 1 can be firmly connected together.

[0037] Working steps: I, first pull the pull rod 12, because the telescopic spring 13 both ends are respectively with the support seat 6 and the connecting piece 14, the pull rod 12 is fixedly connected with the fixed plate 15 through the connecting piece 14, and then drives the fixed plate 15 to move out from the inside of the sliding groove 7;

[0038] II, at this time, the positioning column 8 on one flow guide shell body 1 is inserted into the sliding groove 7 on another flow guide shell body 1, so that the second connecting ring 3 on one flow guide shell body 1 is butted to the first connecting ring 2 on another flow guide shell body 1;

[0039] III, then loosen the pull rod 12, the compressed telescopic spring 13 is stretched and reset and drives the pull rod 12 to move to the positioning column 8 direction, and then drives the fixed plate 15 to be inserted into the limiting groove 17 inside the positioning column 8, so that the positioning column 8 is limited in the support seat 6, at this time, two flow guide shell bodies 1 are butted together, and the screw rod is screwed into the inside of two flow guide shell bodies 1 for reinforcement.

[0040] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection claimed by the present application.

Claims

1. A rotating type well submersible pump flow guide casing comprising a flow guide casing body (1), characterized in that, One side outer wall of the flow guide shell body (1) is fixedly connected with a first connecting ring (2), and the other side outer wall of the flow guide shell body (1) is fixedly connected with a second connecting ring (3); A groove (4) is formed in the top of the first connecting ring (2), and an installation plate (5) is fixedly connected to the first connecting ring (2) near the groove (4), a supporting seat (6) is fixedly connected to the installation plate (5), a sliding groove (7) is formed in the inner side of the supporting seat (6), and a positioning column (8) is fixedly connected to the outer wall of the second connecting ring (3) and matched with the sliding groove (7); A limiting groove (17) is formed in the inner side of the positioning column (8), a pull rod (12) is slidably connected to the inside of the supporting seat (6), one end of the pull rod (12) is fixedly connected with a fixed plate (15) through a connecting piece (14), the fixed plate (15) is matched with the limiting groove (17), and the connecting piece (14) is provided with an elastic spring (13) between the supporting seat (6).

2. The rotational type well submersible pump inductor casing according to claim 1, characterized by, A guide groove (9) is formed in the inner side of the supporting seat (6), and a guide plate (10) is fixedly connected to the outer wall of the positioning column (8) and matched with the guide groove (9).

3. The rotational type well submersible pump inductor of claim 1, wherein, A communication groove (16) is formed in the inner side of the supporting seat (6) and matched with the fixed plate (15).

4. The rotational type well submersible pump inductor of claim 1, wherein An active groove (11) is formed in the supporting seat (6) near the pull rod (12) and slidably connected with the pull rod (12).

5. The rotational well pump impeller according to claim 1, wherein A handle (18) is fixedly connected to one end of the pull rod (12) away from the fixed plate (15).

6. The rotational well pump impeller according to claim 1, wherein A plurality of reinforcing rods (19) are arranged between the first connecting ring (2) and the second connecting ring (3) and arranged in a ring shape.

7. The rotational well pump impeller according to claim 1, wherein A connecting screw (20) is arranged in the first connecting ring (2) and the second connecting ring (3), the connecting screw (20) is threadedly connected with the first connecting ring (2) and the second connecting ring (3), and locking washers (21) and fixed nuts (22) are arranged at both ends of the connecting screw (20).

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