Lower stirring propeller for preventing material leakage

The inverted cover and cavity structure combined with a one-way valve and a gas filling mechanism solves the problem of material leakage from the lower stirring propeller, achieving effective leakage prevention and uniform mixing of materials.

CN223444328UActive Publication Date: 2025-10-17WUXI RONGFENG BIO-ENG CO LTD
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Patent Information

Application Number
CN202423061319.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-10-17
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

During the stirring process of the existing bottom stirring propeller, the material is easily discharged from the top due to the centrifugal force, resulting in material leakage and environmental pollution.

Method used

A lower stirring propeller is designed to prevent material leakage. It adopts an inverted cover and cavity structure, combined with a one-way valve and gas filling mechanism to prevent material from flowing out of the top of the tank, and ensures installation convenience and sealing through a sealing component.

Benefits of technology

It effectively prevents material leakage and protects the environment, while improving the installation convenience and sealing of the inverted cover to ensure uniform mixing of materials.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223444328U_ABST
    Figure CN223444328U_ABST
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Abstract

The utility model discloses a lower stirring propeller for preventing material leakage, which comprises a tank body, the top of the tank body is provided with an inverted platform cover in the shape of an inverted circular platform, the outer side of the tank body is provided with a connecting assembly for fixing the inverted platform cover, the bottom of the tank body is rotatably connected with a connecting shaft, the top end of the connecting shaft is fixedly connected with a push type paddle, and the push type paddle is fixedly connected with the bottom of the tank body. A partition plate is fixedly connected to the position, close to the bottom, in the tank body, the connecting shaft penetrates through the partition plate, a cavity is formed between the bottom of the partition plate and the tank body, a connecting pipe communicated with the cavity is fixedly connected to one side of the tank body, a one-way valve is fixedly connected to one end of the connecting pipe, and a connector is arranged at one end of the one-way valve. According to the inverted table cover, materials can be prevented from flowing out of the tank body from the top of the tank body, so that the materials are prevented from leaking, the environment is protected, a worker can conveniently install and fix the inverted table cover, and the installation convenience of the inverted table cover is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to stirring propeller technical field especially relates to a prevent material leak's lower stirring propeller. BACKGROUND

[0002] Lower stirring propeller is a kind of equipment for stirring and propelling material, usually applied in evaporation crystallizer system, sewage treatment, chemical reaction kettle and other fields.

[0003] Through the search, the announcement number CN220404882U shows a kind of decomposed lower stirring propeller, propelling propelling paddle is rotated by transmission, and liquid is subjected to two groups of thrust in tank simultaneously by the shovel blade with slope, promote the uniform mixing of crystal in liquid while preventing crystal from depositing and blocking equipment, however, during stirring, centrifugal force is generated to crystalline leaf material, and the phenomenon of flowing out from top is prone to occur, leading to material leakage, polluting the environment. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a lower stirring propeller to prevent material leakage.

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

[0006] A lower stirring propeller to prevent material leakage includes a tank body, the top of the tank body is provided with an inverted circular table-shaped inverted table cover, the outer side of the tank body is provided with a connecting assembly for fixing the inverted table cover, the bottom of the tank body is rotatably connected with a connecting shaft, the top end of the connecting shaft is fixedly connected with a propelling paddle, a partition plate is fixedly connected to the position close to the bottom in the tank body, and the connecting shaft penetrates through the partition plate, a cavity is arranged between the bottom of the partition plate and the tank body, one side of the tank body is fixedly connected with a connecting pipe in communication with the cavity, one end of the connecting pipe is fixedly connected with a check valve, one end of the check valve is provided with a connecting head, and the bottom of the tank body is provided with a power assembly for driving the connecting shaft to rotate.

[0007] As a further scheme of the utility model, the power assembly includes a motor, a speed reducer and an external mechanical seal, the output end of the motor is in transmission connection with the input end of the speed reducer, the external mechanical seal is arranged on the bottom outer wall of the tank body, and one end of the connecting shaft penetrates through the external mechanical seal and is in transmission connection with the output end of the speed reducer.

[0008] As a further scheme of the utility model, the connecting assembly comprises a plurality of first fixing ears and threaded rods, the plurality of first fixing ears are fixedly connected to the top of the outer side of the tank body, a plurality of second fixing ears are fixedly connected to the bottom of the outer side of the inverted cover, the threaded rods pass through the first fixing ears and the second fixing ears opposite to each other, and nuts for locking are connected to the outer side of the threaded rods at the top of the first fixing ears and the bottom of the second fixing ears.

[0009] As a further scheme of the utility model, the plurality of first fixing ears are one-to-one corresponding to the plurality of second fixing ears.

[0010] As a further scheme of the utility model, the bottom of the inverted cover is fixedly connected with an insertion ring, the top of the tank body is provided with an annular insertion slot, and the annular insertion slot is inserted with the insertion ring.

[0011] As a further scheme of the utility model, the bottom of the insertion ring is fixedly connected with a sealing ring for sealing the gap between the insertion ring and the tank body.

[0012] As a further scheme of the utility model, the bottom of the inverted cover is fixedly connected with a plurality of positioning blocks, the top of the tank body is provided with a plurality of positioning holes, and the positioning blocks are inserted with the positioning holes.

[0013] The utility model has the advantages of:

[0014] 1. The utility model discloses a inverted cover and cavity are cooperated, in the process of mixing and advancing material, the inverted cover can shield material, prevent material from flowing out of the tank body from the top of the tank body, if material leaks into the cavity, fill the gas into the cavity through the connecting pipe, at this moment, under the action of air pressure, material cannot enter the cavity, thereby preventing material from leaking, and the environment is protected.

[0015] 2. The utility model discloses a positioning block and positioning hole are set up, when installing the inverted cover on the top of the tank body, the positioning block is inserted into the positioning hole, thereby the inverted cover can be positioned and placed, thereby facilitating the staff to install and fix the inverted cover, and the convenience of inverted cover installation is improved. ACCURACY

[0016] Fig. 1 A three-dimensional structure schematic view of the lower stirring propeller for preventing material leakage is provided for the utility model;

[0017] Fig. 2 A partial sectional structure schematic view of the lower stirring propeller for preventing material leakage is provided for the utility model;

[0018] Fig. 3The utility model provides an A part amplification structure schematic diagram of lower stirring propeller of preventing material leakage.

[0019] In the figure: 1, tank body; 2, inverted table cover; 3, motor; 4, speed reducer; 5, first fixed lug; 6, second fixed lug; 7, threaded rod; 8, nut; 9, propelling paddle; 10, baffle; 11, cavity; 12, external mechanical seal; 13, connecting pipe; 14, check valve; 15, connecting head; 16, annular slot; 17, ring; 18, sealing ring; 19, positioning hole; 20, positioning block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] REFERENCE Figs. 1-3 A kind of lower stirring propeller of preventing material leakage, including tank body 1, the top of tank body 1 is equipped with inverted circular table-shaped inverted table cover 2, the outside of tank body 1 is equipped with the connecting assembly that inverted table cover 2 is fixed, the bottom of tank body 1 is rotatably connected with connecting shaft, the top of connecting shaft is fixed with propelling paddle 9 by bolt, tank body 1 is welded with baffle 10 close to the position of bottom in, and connecting shaft passes through baffle 10, and the bottom of baffle 10 and tank body 1 between is equipped with cavity 11, one side of tank body 1 is welded with the connecting pipe 13 that is connected with cavity 11, one end of connecting pipe 13 is fixed with check valve 14 by bolt, one end of check valve 14 is equipped with connecting head 15, the bottom of tank body 1 is equipped with power assembly that drives connecting shaft to rotate, when propelling paddle 9 is uniformly mixed to material, inverted table cover 2 will shield the material in tank body 1, prevent material from the top of tank body 1 from flowing out of tank body 1, if the material in tank body 1 leaks downward, fill gas into cavity 11 by connecting head 15 and connecting pipe 13, and under the action of check valve 14, the gas in cavity 11 cannot be discharged through connecting pipe 13, so that cavity 11 is filled with gas, at this moment, under the action of air pressure, material cannot enter into cavity 11, so as to prevent material from leaking, protect the environment.

[0022] The utility model discloses, power assembly includes motor 3, speed reducer 4 and external mechanical seal 12, and the output of motor 3 is connected with the input of speed reducer 4 transmission, and external mechanical seal 12 sets up the bottom outer wall of jar body 1, and one end of connecting shaft passes through external mechanical seal 12 and is connected with the output of speed reducer 4 transmission, starts motor 3, and speed reducer 4 drives the rotation of propelling paddle 9 through the transmission of connecting shaft, and material is subjected to two horizontal and radial thrusts in jar, and the uniform mixing of material is promoted.

[0023] Especially, the connecting assembly includes a plurality of first fixing ears 5 and threaded rods 7, the plurality of first fixing ears 5 are uniformly welded on the outside of the jar body 1 at the top position, a plurality of second fixing ears 6 are welded on the outside of the inverted cover 2 at the bottom position, the threaded rods 7 pass through the first fixing ears 5 and the second fixing ears 6 opposite to each other, nuts 8 for locking are threadedly connected to the outside of the threaded rods 7 at the top of the first fixing ears 5 and the bottom of the second fixing ears 6, the plurality of first fixing ears 5 correspond to the plurality of second fixing ears 6 one by one, the bottom of the inverted cover 2 is welded with a plug ring 17, the top of the jar body 1 is provided with an annular insertion slot 16, and the annular insertion slot 16 is inserted with the plug ring 17, a sealing ring 18 for sealing the gap between the plug ring 17 and the jar body 1 is bonded to the bottom of the plug ring 17, a plurality of positioning blocks 20 are welded to the bottom of the inverted cover 2, a plurality of positioning holes 19 are formed in the top of the jar body 1, and the positioning blocks 20 and the positioning holes 19 are inserted, the inverted cover 2 is placed on the jar body 1, the plug ring 17 on the inverted cover 2 is inserted into the annular insertion slot 16 at the top of the jar body 1, and the positioning blocks 20 on the inverted cover 2 are inserted into the positioning holes 19 on the jar body 1 to position and place the inverted cover 2, the second fixing ears 6 on the inverted cover 2 are aligned with the first fixing ears 5 on the jar body 1 one by one, which facilitates the installation and fixation of the inverted cover 2 and improves the convenience of the installation of the inverted cover 2, then the threaded rods 7 pass through the first fixing ears 5 and the second fixing ears 6, and the nuts 8 are tightened on the threaded rods 7 to fix the inverted cover 2, and the sealing ring 18 at the bottom of the plug ring 17 seals the gap between the plug ring 17 and the jar body 1, thereby ensuring the sealing performance of the installation of the inverted cover 2.

[0024] Working principle: when need to use, place the inverted table cover 2 on the tank body 1, and make the insertion ring 17 on the inverted table cover 2 inserted into the annular insertion slot 16 on the top of the tank body 1, at the same time, make the positioning block 20 on the inverted table cover 2 inserted into the positioning hole 19 on the tank body 1 to position the inverted table cover 2, make the second fixed lug 6 on the inverted table cover 2 align with the first fixed lug 5 on the tank body 1, then use the threaded rod 7 to pass through the first fixed lug 5 and the second fixed lug 6, then tighten the nut 8 on the threaded rod 7 to fix the inverted table cover 2, at this time, the sealing ring 18 on the bottom of the insertion ring 17 can seal the gap between the insertion ring 17 and the tank body 1, so as to ensure the sealing of the inverted table cover 2, then add materials into the tank body 1, start the motor 3, the reducer 4 drives the propeller paddle 9 to rotate through the connecting shaft and the transmission belt, so that the materials in the tank are subjected to two horizontal and radial thrusts at the same time, promoting the uniform mixing of the materials, and in the process of mixing the materials, the inverted table cover 2 can shield the materials in the tank body 1 to prevent the materials from flowing out of the tank body 1 from the top of the tank body 1, if the materials in the tank body 1 leak downward, fill the cavity 11 with gas through the connecting head 15 and the connecting pipe 13, and under the action of the one-way valve 14, the gas in the cavity 11 cannot be discharged through the connecting pipe 13, so that the cavity 11 is filled with gas, at this time, under the action of the gas pressure, the materials cannot enter the cavity 11, so as to prevent the materials from leaking, and the environment is protected.

[0025] Finally, it should be pointed out that those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A lower stirring propeller for preventing material leakage, comprising a tank body (1), characterized in that: The top of the tank body (1) is provided with an inverted truncated cone-shaped inverted cover (2), the outer side of the tank body (1) is provided with a connecting assembly for fixing the inverted cover (2), the bottom of the tank body (1) is rotatably connected to a connecting shaft, the top end of the connecting shaft is fixedly connected to a propulsion blade (9), a partition (10) is fixedly connected to a position near the bottom of the tank body (1), and the connecting shaft passes through the partition (10), a cavity (11) is provided between the bottom of the partition (10) and the tank body (1), a connecting pipe (13) connected to the cavity (11) is fixedly connected to one side of the tank body (1), one end of the connecting pipe (13) is fixedly connected to a one-way valve (14), and one end of the one-way valve (14) is provided with a connector (15), and the bottom of the tank body (1) is provided with a power assembly for driving the connecting shaft to rotate.

2. A lower stirring propeller for preventing material leakage according to claim 1, characterized in that: The power assembly comprises a motor (3), a reducer (4) and an external mechanical seal (12); the output end of the motor (3) is transmission-connected to the input end of the reducer (4); the external mechanical seal (12) is provided on the bottom outer wall of the tank body (1); and one end of the connecting shaft passes through the external mechanical seal (12) and is transmission-connected to the output end of the reducer (4).

3. A lower stirring propeller for preventing material leakage according to claim 1, characterized in that: The connection assembly comprises a plurality of first fixing ears (5) and a threaded rod (7), wherein the plurality of first fixing ears (5) are evenly fixedly connected to the outer side of the tank body (1) at the top position, and the outer side of the inverted cover (2) is fixedly connected to a plurality of second fixing ears (6) at the bottom position, and the threaded rod (7) passes through the first fixing ears (5) and the second fixing ears (6) which are opposite to each other in the upper and lower directions, and the outer side of the threaded rod (7) is threadedly connected to a nut (8) for locking at the top position of the first fixing ears (5) and the bottom position of the second fixing ears (6).

4. A lower stirring propeller for preventing material leakage according to claim 3, characterized in that: The plurality of first fixing ears (5) correspond one-to-one to the plurality of second fixing ears (6).

5. A lower stirring propeller for preventing material leakage according to claim 3, characterized in that: The bottom of the inverted cover (2) is fixedly connected with an insert ring (17), and the top of the tank body (1) is provided with an annular slot (16), and the annular slot (16) is plugged into the insert ring (17).

6. A lower stirring propeller for preventing material leakage according to claim 5, characterized in that: A sealing ring (18) is fixedly connected to the bottom of the insert ring (17) for sealing the gap between the insert ring (17) and the tank body (1).

7. A lower stirring propeller for preventing material leakage according to claim 6, characterized in that: A plurality of positioning blocks (20) are fixedly connected to the bottom of the inverted cover (2), a plurality of positioning holes (19) are opened on the top of the tank body (1), and the positioning blocks (20) are plugged into the positioning holes (19).

Citation Information

Patent Citations

  • Disassembly type lower stirring propeller

    CN220404882U