Chemical raw material storage plastic-lined tank

By using a drive motor and a limit mechanism in conjunction with a magnet, the installation cover of the plastic-lined storage tank for chemical raw materials is automatically opened, solving the problems of inconvenient operation and insufficient safety in the existing technology, and realizing convenient, efficient sealing operation and stable operation.

CN224336286UActive Publication Date: 2026-06-09SHANDONG HUITENG ANTICORROSION EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG HUITENG ANTICORROSION EQUIP CO LTD
Filing Date
2025-05-28
Publication Date
2026-06-09

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  • Figure CN224336286U_ABST
    Figure CN224336286U_ABST
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Abstract

The utility model discloses a chemical raw material storage plastic -lined tank, including base and tank body, the tank body is set up above base through a plurality of support legs, be equipped with the fixing frame on the base, be equipped with the screw rod on the fixing frame through drive motor, be equipped with the nut on the screw rod through the limiting mechanism threadedly, install the link frame on the nut, be equipped with the pipeline on the tank body, be equipped with the installation cover fixedly on the link frame, be equipped with the limiting frame that slides and penetrates through the first elastic mechanism on the link frame, be equipped with the limiting groove on the nut, be equipped with the dialing mouth on the link frame. The utility model drives the screw rod rotation through drive motor, realizes the nut ascending, and then drives the link frame and installation cover ascending, can open the installation cover automatically, need not manual intervention, has improved the convenience and efficiency of operation.
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Description

Technical Field

[0001] This utility model relates to the field of chemical storage technology, and in particular to a plastic-lined tank for storing chemical raw materials. Background Technology

[0002] Plastic-lined storage tanks for chemical raw materials are devices used to store chemical raw materials. They are made by lining a metal tank with a layer of plastic (such as polyethylene or polypropylene). They typically consist of a metal outer shell and an inner plastic lining. The metal outer shell provides mechanical strength and rigidity, capable of withstanding certain pressure and external forces; the inner plastic lining is in direct contact with the chemical raw materials, providing corrosion resistance, wear resistance, and leak-proof properties. They possess good chemical stability, resisting the erosion of various chemicals; strong corrosion resistance effectively prevents chemical raw materials from corroding the tank, extending its service life; good insulation prevents the generation and accumulation of static electricity, improving storage safety; and plastic-lined tanks also have good wear resistance and a certain degree of flexibility, allowing them to adapt to a certain degree of deformation and vibration.

[0003] The opening pipes of plastic-lined chemical raw material storage tanks are generally sealed by screwing on threads. Both screwing and opening require manual labor, which is inconvenient. Moreover, it is easy for operators at heights to lose their grip when screwing, resulting in a fall and posing a safety risk. To change this situation, a new type of plastic-lined chemical raw material storage tank is proposed. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a plastic-lined tank for storing chemical raw materials.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A plastic-lined storage tank for chemical raw materials includes a base and a tank body. The tank body is mounted on the base via multiple support legs. A fixing frame is fixedly mounted on the base. A screw is mounted on the fixing frame via a drive motor. A nut is threaded onto the screw via a limiting mechanism. A connecting frame is mounted on the nut. A pipe is provided on the tank body. An installation cover is fixedly mounted on the connecting frame. A limiting frame is slidably inserted through the connecting frame via a first elastic mechanism. A limiting groove is provided on the nut. A turning port is provided on the connecting frame. A positioning frame located within the turning port is slidably inserted through the connecting frame via a second elastic mechanism. Multiple positioning grooves are provided on the inner wall of the limiting groove.

[0007] Preferably, the limiting mechanism includes a limiting rod fixedly mounted on a fixed frame, the limiting rod being parallel to the screw and slidingly penetrating the nut.

[0008] Preferably, the first elastic mechanism includes a limiting spring sleeved on the outside of the limiting frame rod, and the two ends of the limiting spring are respectively connected to the outer wall of the limiting frame head and the outer wall of the nut.

[0009] Preferably, the second elastic mechanism includes a positioning spring sleeved on the outside of the positioning frame rod, with both ends of the positioning spring connected to the outer wall of the positioning frame head and the inner wall of the actuation port, respectively.

[0010] Preferably, a first magnet is provided on the surface of the connecting frame that contacts the nut, and a second magnet is provided on the outer wall of the nut.

[0011] Preferably, there are two limiting frames, and the two limiting frames are distributed at equal intervals around the circumference.

[0012] The beneficial effects of this utility model are:

[0013] 1. The screw is driven by a drive motor to rotate, which raises the nut and then the connecting frame and mounting cover. The mounting cover can be opened automatically without manual intervention, improving the convenience and efficiency of operation.

[0014] 2. After the installation cover is moved vertically, the positioning bracket can be pulled to disengage it from the positioning slot, allowing the connecting bracket to rotate relative to the nut. This enables the positioning bracket to move to other positioning slots, preventing the installation cover from obstructing the pipeline and increasing the flexibility of use.

[0015] 3. The connecting frame and the nut are connected by a first magnet and a second magnet. By dragging the connecting frame forcefully, the attraction force can be overcome and the two can be separated, which facilitates the complete disassembly of the connecting frame and other components, and is beneficial to the maintenance and repair of the equipment.

[0016] 4. Two circumferentially spaced limiting frames ensure uniform force distribution, allowing the connecting frame to be positioned within the limiting groove by relying on the limiting frames, thus achieving stable vertical positioning.

[0017] 5. The limiting spring of the first elastic mechanism can drag the limiting frame to ensure that its rod is in the limiting groove and prevent the connecting frame from moving vertically; the positioning spring of the second elastic mechanism can drag the positioning frame to keep its rod in the positioning groove and prevent the connecting frame from rotating relative to the nut. The limiting effect is good and the equipment operates stably. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a plastic-lined tank for storing chemical raw materials proposed in this utility model;

[0019] Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point A;

[0020] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure;

[0021] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point B.

[0022] In the diagram: 1. Base, 2. Support leg, 3. Tank body, 4. Pipe, 5. Mounting cover, 6. Fixing bracket, 7. Drive motor, 8. Screw, 9. Nut, 10. Limiting rod, 11. Connecting bracket, 12. Limiting bracket, 13. Limiting spring, 14. Actuating port, 15. Positioning bracket, 16. Positioning spring, 17. Limiting groove, 18. Positioning groove, 19. First magnet. Detailed Implementation

[0023] 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.

[0024] Reference Figure 1-4 A plastic-lined storage tank for chemical raw materials includes a base 1 and a tank body 3. The tank body 3 is mounted on the base 1 via multiple support legs 2. A fixing frame 6 is fixedly mounted on the base 1. A screw 8 is mounted on the fixing frame 6 via a drive motor 7. A nut 9 is threaded onto the screw 8 via a limiting mechanism. A connecting frame 11 is mounted on the nut 9. A pipe 4 is provided on the tank body 3. An installation cover 5 is fixedly mounted on the connecting frame 11. A limiting frame 12 is slidably inserted through the connecting frame 11 via a first elastic mechanism. A limiting groove 17 is provided on the nut 9. A turning port 14 is provided on the connecting frame 11. A positioning frame 15 is slidably inserted through the connecting frame 11 via a second elastic mechanism and is located within the turning port 14. Multiple positioning grooves 18 are provided on the inner wall of the limiting groove 17.

[0025] The limiting mechanism includes a limiting rod 10 fixedly mounted on the fixed frame 6. The limiting rod 10 is parallel to the screw 8 and slides through the nut 9. The limiting rod 10 limits the nut 9, preventing it from rotating with the screw 8.

[0026] The first elastic mechanism includes a limiting spring 13 sleeved on the outside of the rod of the limiting frame 12. The two ends of the limiting spring 13 are connected to the outer wall of the head of the limiting frame 12 and the outer wall of the nut 9, respectively. The limiting spring 13 enables the dragging of the limiting frame 12, ensuring that its rod is within the limiting groove 17, and preventing the connecting frame 11 from moving vertically relative to the nut 9.

[0027] The second elastic mechanism includes a positioning spring 16 sleeved on the outside of the rod of the positioning frame 15. The two ends of the positioning spring 16 are connected to the outer wall of the head of the positioning frame 15 and the inner wall of the actuation port 14, respectively. The positioning spring 16 enables the positioning frame 15 to be dragged, ensuring that its rod is in any one of the positioning slots 18, thus preventing the connecting frame 11 from rotating relative to the nut 9.

[0028] A first magnet 19 is provided on the surface of the connecting bracket 11 that contacts the nut 9, and a second magnet is provided on the outer wall of the nut 9. The first magnet 19, in conjunction with the second magnet, can prevent the connecting bracket 11 from moving and from disengaging from the nut 9.

[0029] There are two limiting frames 12, which are evenly spaced around the perimeter. The presence of two such equally spaced frames ensures uniform force distribution, as the connecting frame 11 achieves vertical positioning by relying on the limiting frames 12 within the limiting grooves 17.

[0030] Components not specifically described in this utility model are all standard parts and can be purchased from the market. The specific connection methods for each component all employ mature methods from the prior art, and will not be detailed here. Content not described in detail in this specification belongs to prior art known to those skilled in the art.

[0031] When this utility model is in use, the drive motor 7 can be started to drive the screw 8 to rotate. When the screw 8 rotates, the nut 9 will rise. The rise of the nut 9 will drive the connecting frame 11 and the mounting cover 5 to rise synchronously, thereby realizing the opening operation of the pipe 4.

[0032] After the installation cover 5 rises to a certain height, the drive motor 7 is turned off, and then the positioning bracket 15 is pulled to disengage it from the current positioning slot 18. Then, the connecting bracket 11 is rotated relative to the nut 9, so that the positioning bracket 15 moves to correspond with another positioning slot 18 and enters it.

[0033] During the above process, the connecting frame 11 will not separate from the nut 9 under the action of the first magnet 19 and the second magnet. If the connecting frame 11 is pulled hard, the attraction can be overcome and the two will separate.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A plastic-lined storage tank for chemical raw materials, comprising a base (1) and a tank body (3), characterized in that, The tank body (3) is mounted on the base (1) via multiple support legs (2). A fixing frame (6) is fixedly mounted on the base (1). A screw (8) is mounted on the fixing frame (6) via a drive motor (7). A nut (9) is threaded onto the screw (8) via a limiting mechanism. A connecting frame (11) is mounted on the nut (9). A pipe (4) is mounted on the tank body (3). An installation cover (5) is fixedly mounted on the connecting frame (11). A limiting frame (12) is slidably mounted on the connecting frame (11) via a first elastic mechanism. A limiting groove (17) is provided on the nut (9). A toggle port (14) is provided on the connecting frame (11). A positioning frame (15) is slidably mounted on the connecting frame (11) via a second elastic mechanism and is located within the toggle port (14). Multiple positioning grooves (18) are provided on the inner wall of the limiting groove (17).

2. The chemical raw material storage plastic-lined tank according to claim 1, characterized in that, The limiting mechanism includes a limiting rod (10) fixedly mounted on the fixed frame (6), the limiting rod (10) being parallel to the screw (8) and sliding through the nut (9).

3. A plastic-lined storage tank for chemical raw materials according to claim 2, characterized in that, The first elastic mechanism includes a limiting spring (13) sleeved on the outside of the rod of the limiting frame (12), and the two ends of the limiting spring (13) are respectively connected to the outer wall of the head of the limiting frame (12) and the outer wall of the nut (9).

4. A plastic-lined storage tank for chemical raw materials according to claim 3, characterized in that, The second elastic mechanism includes a positioning spring (16) sleeved on the outside of the rod of the positioning frame (15), and the two ends of the positioning spring (16) are respectively connected to the outer wall of the head of the positioning frame (15) and the inner wall of the actuation port (14).

5. A plastic-lined storage tank for chemical raw materials according to claim 4, characterized in that, The connecting frame (11) is provided with a first magnet (19) on the surface that contacts the nut (9), and the nut (9) is provided with a second magnet on its outer wall.

6. A plastic-lined storage tank for chemical raw materials according to claim 5, characterized in that, The number of the limiting frame (12) is two, and the two limiting frames (12) are distributed at equal intervals around the circumference.