Submersible return pump

Abstract

The utility model relates to submersible backflow pump technical field, and disclose submersible backflow pump, including support, the support inside is equipped with the pump body, the utility model scheme is through the guide groove of auxiliary cylinder inner wall and the guide rod of support cylinder interlock, cooperate the detachable design of hexagon bolt, it is convenient to quick installation and dismounting, is favorable to routine maintenance and overhaul, the blade one on the axle and the blade two of support cylinder inner wall are staggered distribution, can effectively cut the impurity, fiber material etc. in the sewage when the pump body works, prevent the blockage of guide vane and flow guide cylinder, guarantee the efficient operation of pump body, the combination of spacing frame and spacing screw ring can steady axle, prevent its displacement in high -speed rotation, ensure the stability of cutting process, auxiliary cylinder is through the clamping rod and flow guide cylinder interlock, cooperate the tight adhesion of sealing rubber ring, not only strengthened the firmness of structure connection, also improved the overall sealing property, also help to maintain the directional delivery of water flow, improve the work efficiency and reliability of pump body.

Description

Technical Field

[0001] This utility model belongs to the field of submersible reflux pump technology, specifically a submersible reflux pump. Background Technology

[0002] A submersible reflux pump is a type of submersible pump designed specifically for water treatment processes. It is mainly used to reflux, stir, or transport mixed liquids, sludge, or clean water during the treatment process to maintain the stable operation and reaction efficiency of water treatment systems (such as sewage treatment plants, industrial wastewater treatment stations, etc.).

[0003] Patent CN214660910U discloses a submersible reflux pump, comprising a housing and a base. The base is located at the bottom of the housing. A motor is housed inside the housing, and a drain pipe is located at the top of the motor. A ball valve is located inside the drain pipe and is sleeved with the drain pipe. An electric telescopic rod is located on one side of the drain pipe and is bolted to the ball valve. A controller is located on one side of the electric telescopic rod. The base includes a water inlet trough located at the bottom of the base. An impeller is located inside the water inlet trough, and a pump shaft is located at the top of the impeller. The pump shaft is sleeved with the motor, and the impeller is bolted to the pump shaft. A first protective net is located at the top of the water inlet trough, and a second protective net is located at the bottom of the water inlet trough. This invention not only facilitates valve control of water flow and prevents dust accumulation and clogging, but also facilitates movement and transportation.

[0004] However, the aforementioned submersible reflux pump still has the following shortcomings:

[0005] Although the above-mentioned device achieves the anti-clogging effect by setting up a first protective net and a second protective net, dirt that adheres to the surface of the protective net over a long period of time with the water flow will still clog the mesh, thus affecting the normal use of the submersible return pump. Therefore, we propose the submersible return pump. Utility Model Content

[0006] In view of the above situation and to overcome the defects of the prior art, this utility model provides a submersible reflux pump, which effectively solves the problem that although the existing device achieves the anti-clogging effect by setting a first protective net and a second protective net, dirt that adheres to the surface of the protective net for a long time with the water flow will still clog the mesh, thus affecting the normal use of the submersible reflux pump.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a submersible reflux pump, including a bracket, a pump body inside the bracket, a guide tube fixed at the end of the bracket, an auxiliary component at the front end of the guide tube, a convenient mechanism at the end of the auxiliary component near the pump body, the auxiliary component including an auxiliary cylinder, the auxiliary cylinder fitting against the end of the guide tube, a plurality of guide grooves uniformly formed in a ring on the inner wall of the auxiliary cylinder, a plurality of hexagonal bolts uniformly formed in a ring on the outer side of the auxiliary cylinder, a shaft in the middle of the auxiliary cylinder, a plurality of blades uniformly fixed in a ring on the surface of the shaft, a support cylinder matched and engaged inside the auxiliary cylinder, and a plurality of guide rods uniformly fixed in a ring on the outer side of the support cylinder.

[0008] Preferably, the auxiliary component further includes blade two, a plurality of blade two are uniformly fixed in a ring on the inner wall of the support cylinder, a limit frame is fixedly connected to one end of the support cylinder, a limit screw ring is sleeved on the surface of the shaft, a plurality of clamping rods are uniformly fixed in a ring at the end of the auxiliary cylinder, and a sealing rubber ring is sleeved on the outside of the clamping rods.

[0009] Preferably, the support cylinder forms an engaging structure with the guide rod and the guide groove, and the guide rod forms a detachable structure with the auxiliary cylinder through hexagonal bolts.

[0010] Preferably, one end of the shaft passes through the middle of the inner part of the limiting frame, the shaft and the limiting screw ring are threaded together, and a plurality of blades one and a plurality of blades two fixed on the surface of the shaft are distributed alternately.

[0011] Preferably, the end surface of the guide tube is provided with a plurality of uniformly spaced grooves in an annular shape, the auxiliary tube and the guide tube are connected by a locking rod to form a locking structure, and the outer wall of the sealing ring is tightly fitted with the inner wall of the groove on the end surface of the guide tube.

[0012] Preferably, the convenient mechanism includes a locking block, which is fixed to the end of the shaft. A slotted frame is sleeved on the outside of the locking block. The slotted frame is fixed to the end of the impeller assembly in the pump body. A set of limiting rods are symmetrically passed through both sides of the slotted frame. A limiting ring plate is fixedly sleeved on the surface of the limiting rod. A spring is provided on one side of the limiting ring plate.

[0013] Preferably, the cross-section of the card block is a regular quadrilateral with a rounded vertex transition, and the surface of the card block is provided with a limiting groove that matches the inner end of the limiting rod.

[0014] Preferably, the limiting rod is formed into an elastic structure by a limiting ring plate, a spring and a groove frame, and the outer end of the limiting rod is spherical.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. The auxiliary cylinder's inner wall guide groove engages with the support cylinder's guide rod, and the hexagonal bolts provide a detachable design, facilitating quick installation and disassembly, and aiding in daily maintenance and repair. The blades on the shaft and the support cylinder's inner wall are staggered, effectively shredding impurities and fibers in the sewage during pump operation, preventing clogging of the impeller and guide cylinder, ensuring efficient pump operation. The combination of the limit bracket and limit screw ring stabilizes the shaft, preventing displacement during high-speed rotation and ensuring stability during the cutting process. The auxiliary cylinder engages with the guide cylinder via a locking rod, and the sealing ring ensures a tight fit, enhancing the structural connection's strength and overall sealing. This also helps maintain directional water flow, improving pump efficiency and reliability.

[0017] 2. By locking the locking block inside the slot frame, it facilitates the quick assembly between the shaft and the pump body impeller assembly, greatly improving installation efficiency. The elastic structure composed of the limiting rod, limiting ring plate, and spring can ensure a tight engagement between the locking block and the slot frame during equipment operation, preventing the locking block from moving out of the slot frame and ensuring stable power transmission. At the same time, the locking block can be easily released by pulling the limiting rod outward to overcome the spring force, reducing maintenance difficulty. Attached Figure Description

[0018] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0019] In the attached diagram:

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of the present invention from another perspective;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the bracket and guide tube of this utility model;

[0023] Figure 4 This is a schematic diagram of the disassembled structure of the auxiliary component of this utility model;

[0024] Figure 5 This is a schematic diagram of the disassembled structure of the auxiliary component from another perspective of this utility model;

[0025] Figure 6 This is a partial cross-sectional structural diagram of the convenient mechanism of this utility model.

[0026] In the diagram: 1. Bracket; 2. Pump body; 3. Flow guide tube; 4. Auxiliary components; 401. Auxiliary tube; 402. Guide groove; 403. Hex bolt; 404. Shaft; 405. Blade 1; 406. Support tube; 407. Guide rod; 408. Blade 2; 409. Limiting frame; 410. Limiting bolt; 411. Locking rod; 412. Sealing ring; 5. Convenient mechanism; 501. Locking block; 502. Groove frame; 503. Limiting rod; 504. Limiting ring plate; 505. Spring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-6A submersible reflux pump includes a bracket 1, a pump body 2 inside the bracket 1, a guide tube 3 fixed to the end of the bracket 1, an auxiliary component 4 at the front end of the guide tube 3, a convenient mechanism 5 at the end of the auxiliary component 4 near the pump body 2, the auxiliary component 4 including an auxiliary cylinder 401, the auxiliary cylinder 401 fitting against the end of the guide tube 3, a plurality of guide grooves 402 evenly and circumferentially formed on the inner wall of the auxiliary cylinder 401, a plurality of hexagonal bolts 403 evenly and circumferentially formed on the outer side of the auxiliary cylinder 401, a shaft 404 in the middle of the auxiliary cylinder 401, a plurality of blades 405 evenly and circumferentially fixed on the surface of the shaft 404, and a support cylinder 406 fitted and engaged inside the auxiliary cylinder 401. A plurality of guide rods 407 are uniformly fixed in a ring on the outer side. The support cylinder 406 forms a locking structure with the guide rods 407 and the guide groove 402. The guide rods 407 form a detachable structure with the auxiliary cylinder 401 via hexagonal bolts 403. The auxiliary assembly 4 also includes blades 408. A plurality of blades 408 are uniformly fixed in a ring on the inner wall of the support cylinder 406. One end of the support cylinder 406 is fixedly connected to a limit frame 409. A limit screw ring 410 is sleeved on the surface of the shaft 404. Furthermore, one end of the shaft 404 passes through the middle of the limit frame 409. The shaft 404 and the limit screw ring 410 are threaded together. The plurality of blades 408 are fixed on the surface of the shaft 404. The blade 405 and several blades 408 are staggered. Several locking rods 411 are uniformly fixed in a ring at the end of the auxiliary cylinder 401. A sealing ring 412 is fitted around the outside of each locking rod 411. Furthermore, several slots are uniformly formed in a ring on the end surface of the guide cylinder 3. The auxiliary cylinder 401 and the guide cylinder 3 form a locking structure through the locking rods 411. The outer wall of the sealing ring 412 is tightly fitted to the inner wall of the slots on the end surface of the guide cylinder 3. The auxiliary cylinder 401 engages with the guide rod 407 of the support cylinder 406 through the guide groove 402 on the inner wall of the auxiliary cylinder 401. Combined with the detachable design of the hexagonal bolts 403, it facilitates quick installation and disassembly, and is convenient for daily maintenance and repair. The shaft 404... The blade 405 and the blade 408 on the inner wall of the support cylinder 406 are staggered. When the pump body 2 is working, they can effectively cut up impurities and fibers in the sewage, prevent clogging of the impeller and the guide cylinder 3, and ensure the efficient operation of the pump body 2. The combination of the limit frame 409 and the limit screw ring 410 can stabilize the shaft 404 and prevent it from shifting during high-speed rotation, ensuring the stability of the cutting process. The auxiliary cylinder 401 is engaged with the guide cylinder 3 by the clamping rod 411 and fits tightly with the sealing ring 412. This not only enhances the firmness of the structural connection but also improves the overall sealing performance. At the same time, it helps to maintain the directional delivery of water flow and improve the working efficiency and reliability of the pump body 2.

[0029] The convenient mechanism 5 includes a locking block 501, which is fixed to the end of the shaft 404. A slot frame 502 is sleeved on the outside of the locking block 501, and the slot frame 502 is fixed to the end of the impeller assembly in the pump body 2. A set of limiting rods 503 are symmetrically inserted through both sides of the slot frame 502. The locking block 501 has a regular quadrilateral cross section with a rounded vertex transition. A limiting groove matching the inner end of the limiting rod 503 is opened on the surface of the locking block 501. A limiting ring plate 504 is fixedly sleeved on the surface of the limiting rod 503. A spring 505 is provided on one side of the limiting ring plate 504. Furthermore, the limiting rod 503 is connected to the limiting ring plate 504 and the spring 505. The 05 and the slot frame 502 form an elastic structure. The outer end of the limiting rod 503 is spherical. By locking the locking block 501 into the slot frame 502, it is easy to quickly assemble the shaft 404 and the impeller assembly of the pump body 2, which greatly improves the installation efficiency. The elastic structure composed of the limiting rod 503, the limiting ring plate 504, and the spring 505 can ensure that the locking block 501 and the slot frame 502 are tightly engaged during equipment operation, preventing the locking block 501 from moving out of the slot frame 502 and ensuring stable power transmission. At the same time, the locking block 501 can be easily released by pulling the limiting rod 503 to overcome the elastic force of the spring 505, reducing the difficulty of maintenance.

Claims

1. Submersible backflow pump, characterized in that: The system includes a bracket (1), a pump body (2) is provided inside the bracket (1), a guide tube (3) is fixed at the end of the bracket (1), an auxiliary component (4) is provided at the front end of the guide tube (3), a convenient mechanism (5) is provided at the end of the auxiliary component (4) near the pump body (2), the auxiliary component (4) includes an auxiliary tube (401), the auxiliary tube (401) is attached to the end of the guide tube (3), a number of guide grooves (402) are uniformly opened in a ring on the inner wall of the auxiliary tube (401), a number of hexagonal bolts (403) are uniformly arranged in a ring on the outer side of the auxiliary tube (401), a shaft (404) is provided in the middle of the auxiliary tube (401), a number of blades (405) are uniformly fixed in a ring on the surface of the shaft (404), a support tube (406) is matched and engaged inside the auxiliary tube (401), and a number of guide rods (407) are uniformly fixed in a ring on the outer side of the support tube (406).

2. The submersible return pump according to claim 1, characterized in that: The auxiliary component (4) also includes blades (408), a plurality of blades (408) are uniformly fixed in a ring on the inner wall of the support cylinder (406), a limit frame (409) is fixedly connected to one end of the support cylinder (406), a limit screw ring (410) is sleeved on the surface of the shaft (404), a plurality of locking rods (411) are uniformly fixed in a ring at the end of the auxiliary cylinder (401), and a sealing ring (412) is sleeved on the outside of the locking rods (411).

3. The submersible return pump according to claim 2, characterized in that: The support cylinder (406) is engaged with the guide groove (402) via the guide rod (407), and the guide rod (407) is detachable from the auxiliary cylinder (401) via the hexagonal bolt (403).

4. The submersible return pump according to claim 2, characterized in that: One end of the shaft (404) passes through the middle of the inside of the limiting frame (409). The shaft (404) and the limiting screw ring (410) are connected by threads. A number of blades one (405) and a number of blades two (408) fixed on the surface of the shaft (404) are distributed alternately.

5. The submersible return pump according to claim 2, characterized in that: The end surface of the guide tube (3) is provided with several uniformly arranged grooves in an annular shape. The auxiliary tube (401) and the guide tube (3) are connected by a locking rod (411). The outer wall of the sealing ring (412) is tightly fitted with the inner wall of the groove on the end surface of the guide tube (3).

6. The submersible return pump according to claim 2, characterized in that: The convenient mechanism (5) includes a locking block (501), which is fixed to the end of the shaft (404). A slot frame (502) is sleeved on the outside of the locking block (501). The slot frame (502) is fixed to the end of the impeller assembly in the pump body (2). A set of limiting rods (503) are symmetrically passed through both sides of the slot frame (502). A limiting ring plate (504) is fixedly sleeved on the surface of the limiting rod (503). A spring (505) is provided on one side of the limiting ring plate (504).

7. The submersible return pump according to claim 6, characterized in that: The cross-section of the card block (501) is a regular quadrilateral with a rounded transition at the vertex, and the surface of the card block (501) is provided with a limiting groove that matches the inner end of the limiting rod (503).

8. The submersible return pump according to claim 6, characterized in that: The limiting rod (503) forms an elastic structure through the limiting ring plate (504), the spring (505) and the slot frame (502), and the outer end of the limiting rod (503) is spherical.

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