Single-stage double-suction axially split pump with good sealing performance

By installing detachable connecting pipes and sealing sleeves at the outlet and inlet of the split-case pump, combined with wireless sensor monitoring, the problem of decreased sealing performance was solved, achieving efficient monitoring of sealing performance and safety.

CN223908394UActive Publication Date: 2026-02-13JIANGSU FEIXIANG PUMP IND MFG CO LTD
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Patent Information

Application Number
CN202520769052.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-02-13
Estimated Expiration
2035-04-22

AI Technical Summary

Technical Problem

The connection surfaces of the outlet and inlet on both sides of the existing split-case pump are prone to wear, which leads to a decrease in sealing performance and makes it difficult to detect and notify in a timely manner, thus affecting the performance.

Method used

Detachable connecting pipes are installed at the water outlet and inlet, and sealing sleeves are installed on the outside of them. Soft sealing filler is filled in and fixed with locking bolts. Combined with wireless water immersion sensors and remote controllers, seepage monitoring and notification are realized to improve sealing performance.

Benefits of technology

It achieves low-cost, high-efficiency sealing performance, promptly detects and notifies users of any water leakage issues, and improves safety and ease of maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223908394U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of single-stage double-suction axially split pumps, in particular to a single-stage double-suction axially split pump with good sealing performance, which comprises a pump body shell, a water outlet and a water inlet are respectively arranged on the left side and the right side of the pump body shell, and detachable connecting pipes are arranged at one ends of the water outlet and the water inlet far away from the pump body shell. According to the utility model, the detachable connecting pipes are additionally arranged at the positions of the water outlet and the water inlet on the left side and the right side of the pump body shell, and the sealed connecting sleeves are fixed on the outer sides of the water outlet and the water inlet, so that the sealing sleeves are sleeved on the outer sides of the water outlet, the water inlet and the detachable connecting pipes at the corresponding positions during connection; according to the connecting sleeve, the connecting surface is filled with the soft sealing filler in the sleeving process and then fixed through the bolts, then the two connecting sleeves are connected and fixed through the locking bolts, the two sealing sleeves are pressed by filling the soft sealing filler, a sealing barrier is formed, the cost is low, maintenance is easy and convenient, and the sealing performance in the connecting process is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to single stage double suction middle open pump technical field, concretely is single stage double suction middle open pump with good sealing performance. BACKGROUND

[0002] The middle open pump (middle open type circulation) is also called single stage double suction centrifugal pump, and its main feature is that the flow of the delivered medium is large, and the working principle of the middle open pump operation is that the impeller is installed in the pump shell and is fastened on the pump shaft, the pump shaft is directly driven by the motor, the pump shell has a liquid suction inlet connected with a suction pipe in the center, the liquid enters the pump through the bottom valve and the suction pipe, and the liquid discharge outlet on the pump shell is connected with a discharge pipe.

[0003] The connecting surfaces of the two side water outlets and the water inlets of the existing middle open pump are prone to wear and water seepage due to the connection of the flanges, which reduces the sealing performance, and the sealing performance cannot be found and notified in time after the sealing performance is reduced, which affects the use of the middle open pump.

[0004] Therefore, it is particularly important to design a single stage double suction middle open pump with good sealing performance to change the above technical defects and improve the overall practicability. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a single stage double suction middle open pump with good sealing performance to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A single stage double suction middle open pump with good sealing performance, comprising a pump body shell, the left and right sides of the pump body shell are respectively provided with a water outlet and a water inlet, the water outlet and the water inlet are provided with detachable connecting pipes away from the pump body shell, the outer side of the detachable connecting pipes at the corresponding positions of the water outlet and the water inlet and towards the opposite side are provided with connecting sleeves, the connecting sleeves are connected by lock bolts, the inner wall of the connecting sleeves and close to the outer side edge are uniformly distributed with wireless water immersion sensors, the water outlet, the water inlet and the detachable connecting pipes at the corresponding positions are connected with sealing sleeves, and the sealing sleeves are filled with soft sealing fillers.

[0008] As a preferred scheme of the utility model, the connecting sleeve is designed as a circular concave structure with an opening inward.

[0009] As a preferred scheme of the utility model, the connecting sleeve is made of stainless steel.

[0010] As a preferred scheme of the utility model, the water outlet, the water inlet and the detachable connecting pipe are designed as a detachable structure.

[0011] As the preferred scheme of the utility model, the outer side of the pump body shell is provided with a wireless receiving controller, wherein the wireless receiving controller and the wireless water immersion sensor are wirelessly connected through a local area network, and the wireless receiving controller is remotely connected with the general controller through the wireless network.

[0012] As the preferred scheme of the utility model, the soft sealing filler is bitumen.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] In the utility model, the single-stage double-suction split pump with good sealing performance is provided with a detachable connecting pipe at the positions of the water outlet and the water inlet on the left and right sides of the pump body shell, the outer sides of the two are fixed with sealing connecting sleeves, the sealing sleeves are sleeved on the outer sides of the water outlet, the water inlet and the corresponding detachable connecting pipe during connection, the connecting surfaces are filled with soft sealing fillers during sleeving, the two groups of connecting sleeves are then connected and fixed through locking bolts, the two groups of sealing sleeves are compressed through the added soft sealing fillers, a sealing barrier is formed, the cost is low, maintenance is simple, the sealing performance during connection is improved, the water seepage can be monitored in time by the multiple wireless water immersion sensors, and timely notification is sent through remote signals, so that errors and omissions are avoided, and the safety during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the overall structure front view of the utility model;

[0016] Fig. 2 It is the partial internal structure diagram of the utility model;

[0017] Fig. 3 It is the A structure enlarged schematic view of the utility model.

[0018] In the drawing: 1, pump body shell; 101, water outlet; 102, water inlet; 2, detachable connecting pipe; 3, connecting sleeve; 301, locking bolt; 302, wireless water immersion sensor; 303, sealing sleeve; 304, soft sealing filler. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings, several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar terms used herein are for purposes of illustration only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0023] Embodiments, please refer to Figs. 1-3 The utility model provides a technical scheme:

[0024] A single-stage double-suction middle-open pump with good sealing performance, comprising a pump body shell 1, the left and right sides of the pump body shell 1 are respectively provided with a water outlet 101 and a water inlet 102, the ends of the water outlet 101 and the water inlet 102 away from the pump body shell 1 are provided with detachable connecting pipes 2, the outer sides of the detachable connecting pipes 2 at the corresponding positions of the water outlet 101 and the water inlet 102 are provided with connecting sleeves 3 towards opposite sides, the two groups of connecting sleeves 3 are connected through locking bolts 301, the inner walls of the connecting sleeves 3 and the outer side edges are uniformly distributed with wireless water immersion sensors 302, the water outlet 101, the water inlet 102 and the detachable connecting pipes 2 at the corresponding positions are connected with sealing sleeves 303, the sealing sleeves 303 are filled with soft sealing fillers 304 inside.

[0025] The connecting sleeve 3 is designed as a circular concave structure with an opening directed inward, and is made of stainless steel; the water outlet 101, the water inlet 102 and the detachable connecting pipe 2 are designed as a detachable structure; the wireless receiving controller is arranged on the outer side of the pump body shell 1, and is wirelessly connected with the wireless water immersion sensor 302 through a local area network; a plurality of wireless water immersion sensors 302 can timely monitor water seepage positions and timely send remote signals to avoid missing and improve safety; the wireless receiving controller is remotely connected with a general controller through a wireless network; the soft sealing filler 304 is made of asphalt hemp, and is used to compress the two sealing sleeves to form a sealing barrier, so that the cost is low and maintenance is simple.

[0026] The utility model discloses a working process: the position of the water outlet 101 and the water inlet 102 on the left and right sides of the pump body shell 1 is increased with a detachable connecting pipe 2, and the outer sides of the two are fixed with the sealed connecting sleeve 3, when connecting, the sealing sleeve 3 is sleeved on the outer sides of the water outlet 101, the water inlet 102 and the corresponding position detachable connecting pipe 2, and the connecting surface is filled with the soft sealing filler 304 when sleeving, then is fixed with bolt, then is connected and fixed to the two connecting sleeves 3 through the locking bolt 301, and the soft sealing filler 304 is added to compress the two sealing sleeves to form a sealing barrier, so that the cost is low and maintenance is simple, the sealing performance is increased when connecting, if water seepage occurs in use, a plurality of wireless water immersion sensors 302 can timely monitor water seepage positions and timely send remote signals to avoid missing and improve safety.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A single stage double suction split case pump with good sealing performance comprising a pump casing (1) characterized in that: The left and right sides of the pump body shell (1) are respectively provided with water outlet (101) and water inlet (102), the water outlet (101) and water inlet (102) are away from the one end of the pump body shell (1) are provided with detachable connecting pipe (2), the water outlet (101), water inlet (102) and the outer side of the corresponding position of the detachable connecting pipe (2) and towards the opposite side are provided with connecting sleeve (3), the connecting sleeve (3) between the two groups is connected through locking bolt (301), the inner wall of the connecting sleeve (3) and close to the outside edge are evenly distributed with wireless water immersion sensor (302), the water outlet (101), water inlet (102) and the detachable connecting pipe (2) between the corresponding position are connected with sealing sleeve (303), the inside of the sealing sleeve (303) is filled with soft sealing filler (304).

2. A single-stage double suction split pump with good sealing performance according to claim 1, characterized in that: The connecting sleeve (3) is designed as a circular concave structure with opening inward.

3. A single-stage double suction split pump with good sealing performance according to claim 1, characterized in that: The connecting sleeve (3) is made of stainless steel material.

4. A single-stage double suction split pump with good sealing performance according to claim 1, characterized in that: The water outlet (101), water inlet (102) and detachable connecting pipe (2) are designed as detachable structure.

5. A single-stage double suction split pump with good sealing performance according to claim 1, characterized in that: The outer side of the pump body shell (1) is provided with wireless receiving controller, wherein the wireless receiving controller and the wireless water immersion sensor (302) are wirelessly connected through local area network, and the wireless receiving controller is remotely connected with the general controller through wireless network.

6. A single-stage double suction split case pump with good sealing performance according to claim 1, characterized in that: The soft sealing filler (304) is made of asphalt hemp.