High-sealing transportation liquid tank assembly

By employing a sealing mechanism in the transport liquid tank, the expansion of the flange and deformation of the honeycomb rubber gasket are driven by liquid pressure, thus solving the problem of decreased sealing performance at the connection between the liquid tank body and the pipeline and achieving a highly efficient sealing effect.

CN223878688UActive Publication Date: 2026-02-06SHAANXI RUNYAO IND CO LTD
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Patent Information

Application Number
CN202520494699.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-02-06
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

In existing liquid transport tanks, the rubber gaskets at the connection between the tank body and the pipeline are prone to deformation under liquid pressure and vibration, which leads to a decrease in sealing performance and increases the risk of liquid leakage.

Method used

The sealing mechanism includes components such as an inner sealing cylinder, a limiting connecting ring, a rubber column, and an elastic airbag. The flange is connected by bolts, and the flange is expanded by liquid pressure. The limiting connecting ring slides and adjusts, and the honeycomb rubber gasket deforms to fit, thereby improving the sealing performance.

Benefits of technology

It effectively avoids the appearance of gaps in the sealing surface, improves the sealing performance during transportation, and reduces the risk of liquid leakage.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223878688U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-sealing transportation liquid tank assembly which comprises a transportation liquid tank main body, one side of the top of the transportation liquid tank main body is communicated with a liquid inlet pipe used for liquid feeding, and one side of the bottom of the transportation liquid tank main body is communicated with a liquid discharging pipe used for liquid discharging. By means of the arrangement of a sealing piece, first sealing is formed between an inner sealing cylinder and a liquid discharging pipe and between the inner sealing cylinder and a liquid discharging connecting pipe through connection of the inner sealing cylinder and the liquid discharging pipe and between the inner sealing cylinder and the liquid discharging connecting pipe, and when the pressure of liquid in a liquid conveying tank body is too large, thrust is formed on two connecting flanges to enable the two connecting flanges to expand; the two connecting flanges drive the limiting connecting ring to move in the sealing mounting cavity when expanding, so that the limiting connecting ring and the fixing rubber sleeve can be adjusted in a self-adaptive mode according to expansion of the connecting flanges, and the situation that gaps exist between the connecting flanges and the sealing piece, and the sealing performance is affected is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to liquid transportation equipment technical field, concretely is a kind of high sealing transport liquid tank assembly. BACKGROUND

[0002] In many industries such as chemical industry, food, petroleum, it is often necessary to transport various liquids. The sealing performance of the transport liquid tank, as a key equipment for storing and transporting liquids, directly affects the safety of the transportation process, the stability of the liquid quality and the impact on the environment.

[0003] However, the prior art still has great deficiencies, such as:

[0004] In the prior art, during the actual transportation operation of the transport liquid tank, rubber pads are commonly used as sealing structures at the connection between the liquid tank body and the pipeline. However, under the dual action of continuously bearing liquid pressure and high-frequency vibration generated during transportation, the rubber pad is prone to deformation, affecting the original tight sealing state of the rubber pad, causing gaps in the sealing surface, and thus affecting the sealing performance and increasing the risk of liquid leakage. SUMMARY

[0005] The purpose of the present utility model is to provide a high sealing transport liquid tank assembly to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present utility model provides the following technical scheme: a high sealing transport liquid tank assembly, comprising a transport liquid tank body, a liquid inlet pipe for liquid inlet is communicated on one side of the top of the transport liquid tank body, a liquid outlet pipe for liquid outlet is communicated on one side of the bottom of the transport liquid tank body, a liquid inlet connecting pipe is flange-connected to one end of the liquid inlet pipe away from the transport liquid tank body, a liquid outlet connecting pipe is flange-connected to one end of the liquid outlet pipe away from the transport liquid tank body, characterized in that: a sealing mechanism for enhancing sealing is installed between the liquid inlet pipe and the liquid inlet connecting pipe and between the liquid outlet pipe and the liquid outlet connecting pipe.

[0007] The sealing mechanism comprises a connecting flange installed on the surface of the liquid outlet pipe and the liquid outlet connecting pipe, a sealing groove is formed on one side adjacent to the two connecting flanges, and a sealing element for improving sealing performance is installed inside the sealing groove.

[0008] A plurality of bolts are installed through the surface of one connecting flange, one end of the plurality of bolts penetrates the other connecting flange and extends to one side of the connecting flange, and a nut for fixation is threadedly connected to the surface of the bolt.

[0009] Preferably, the sealing element comprises a rubber sealing gasket arranged between the two connecting flanges, an inner sealing cylinder is fixedly arranged inside the rubber sealing gasket, and the two ends of the inner sealing cylinder penetrate the liquid discharge pipe and the liquid discharge connecting pipe and extend to the inside of the two pipes.

[0010] The top and bottom of the rubber sealing gasket are fixedly arranged with limiting connecting rings, a fixed rubber sleeve is fixedly arranged inside the sealing groove, a sealing mounting cavity is formed on one side of the fixed rubber sleeve, the limiting connecting ring penetrates the sealing mounting cavity and extends to the inside of the sealing mounting cavity away from the rubber sealing gasket, and the limiting connecting ring and the sealing mounting cavity are in sliding connection.

[0011] Preferably, a plurality of rubber columns are fixedly arranged inside the sealing mounting cavity, and a honeycomb rubber pad is arranged inside the rubber column.

[0012] The number of the honeycomb rubber pads is multiple, and the multiple honeycomb rubber pads are arranged in the inside of the rubber column in a ring shape at equal distances.

[0013] Preferably, elastic air bags are fixedly arranged inside the sealing mounting cavity and on both sides of the rubber column, the elastic air bags are in a ring shape, and the material of the elastic air bags is rubber.

[0014] Preferably, a manhole is arranged on the other side of the top of the transport liquid tank body for maintenance personnel to enter the inside of the transport liquid tank body.

[0015] Preferably, valves are arranged on the surfaces of the liquid inlet connecting pipe and the liquid discharge connecting pipe for opening or closing the transport liquid tank body during liquid filling and discharging.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. By arranging the sealing element, the inner sealing cylinder and the liquid discharge pipe and the liquid discharge connecting pipe are connected to form the first sealing between them, and when the liquid pressure in the inside of the transport liquid tank body is too large, a pushing force is formed on the two connecting flanges to make the two connecting flanges expand, at this time, by the sliding connection between the limiting connecting ring and the sealing mounting cavity, the two connecting flanges drive the limiting connecting ring to move in the inside of the sealing mounting cavity when expanding, so that the limiting connecting ring and the fixed rubber sleeve can be self-adaptively adjusted according to the expansion of the connecting flanges to avoid the appearance of gaps between the connecting flanges and the sealing element, which affects the sealing performance.

[0018] 2. The use of rubber columns and elastic air bags, when the two connecting flanges expand, the elastic air bags and honeycomb rubber pads inside the sealing installation cavity can quickly push the limiting connecting ring to avoid the limiting connecting ring and the fixed rubber sleeve from being difficult to respond quickly when the connecting flanges expand, causing liquid to leak, and the deformation ability of the honeycomb rubber pad can collapse when the limiting connecting ring extrudes the rubber column, avoiding the resistance of the limiting connecting ring to the movement of the rubber column, and the rubber column can quickly return to the initial state to further improve the sealing performance between the limiting connecting ring and the fixed rubber sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic diagram of the utility model;

[0020] Figure 2 It is a sealing mechanism structure schematic diagram of the utility model;

[0021] Figure 3 It is a sealing piece structure schematic diagram of the utility model;

[0022] Figure 4 It is a sectional structure schematic diagram of the limiting connecting ring of the utility model;

[0023] Figure 5 It is a sectional structure schematic diagram of the rubber column of the utility model.

[0024] In the drawing: 1, transport liquid tank main body; 2, liquid inlet pipe; 3, liquid outlet pipe; 4, liquid inlet connecting pipe; 5, liquid outlet connecting pipe; 6, sealing mechanism; 61, connecting flange; 62, sealing groove; 63, sealing piece; 631, rubber sealing pad; 632, inner sealing cylinder; 633, limiting connecting ring; 634, fixed rubber sleeve; 635, sealing installation cavity; 636, rubber column; 637, honeycomb rubber pad; 638, elastic air bag; 64, bolt; 65, nut; 66, valve; 7, manhole. DETAILED DESCRIPTION

[0025] The technical solutions 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. Obviously, 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 those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-5The utility model provides a technical scheme: a high seal transportation liquid tank assembly, including transportation liquid tank main body 1, the side of transportation liquid tank main body 1 top is connected with the liquid inlet pipe 2 for liquid inlet, the side of transportation liquid tank main body 1 bottom is connected with the liquid outlet pipe 3 for liquid outlet, the flange of liquid inlet pipe 2 far from the one end of transportation liquid tank main body 1 is connected with liquid inlet connecting pipe 4, the flange of liquid outlet pipe 3 far from the one end of transportation liquid tank main body 1 is connected with liquid outlet connecting pipe 5, and the sealing mechanism 6 for strengthening sealing is installed between liquid inlet pipe 2 and liquid inlet connecting pipe 4 and between liquid outlet pipe 3 and liquid outlet connecting pipe 5,

[0027] Sealing mechanism 6 includes the connecting flange 61 of installation to the surface of liquid outlet pipe 3 and liquid outlet connecting pipe 5, and the side of two connecting flanges 61 adjacent is all seted up sealing groove 62, and the inside mounting of sealing groove 62 has the sealing piece 63 for promoting sealing performance,

[0028] The surface of a connecting flange 61 is installed through a plurality of bolts 64, and the one end of a plurality of bolts 64 is installed through another connecting flange 61 and extends to the side of connecting flange 61, and the surface of bolt 64 is screw connected with the nut 65 for fixing.

[0029] Referring to Figure 2 、 Figure 3 And Figure 4 Sealing piece 63 includes rubber sealing pad 631 arranged between two connecting flanges 61, inner sealing cylinder 632 is fixedly installed in rubber sealing pad 631, and both ends of inner sealing cylinder 632 are installed through liquid outlet pipe 3 and liquid outlet connecting pipe 5 and extend to the inside between both, and limiting connecting ring 633 is fixedly installed at the top and bottom of rubber sealing pad 631, fixed rubber sleeve 634 is fixedly installed in sealing groove 62, sealing installation cavity 635 is formed in the side of fixed rubber sleeve 634, limiting connecting ring 633 is installed through sealing installation cavity 635 and extends to the inside of sealing installation cavity 635, and limiting connecting ring 633 and sealing installation cavity 635 are connected in sliding mode.

[0030] In the embodiment, the first sealing between liquid outlet pipe 3 and liquid outlet connecting pipe 5 is formed by the connection of inner sealing cylinder 632, when the liquid pressure in the inside of transportation liquid tank main body 1 is too large, the thrust is formed to two connecting flanges 61, so that two connecting flanges 61 expand, at this time, limiting connecting ring 633 moves in the inside of sealing installation cavity 635 by the sliding connection of limiting connecting ring 633 and sealing installation cavity 635 when two connecting flanges 61 expand, so that limiting connecting ring 633 and fixed rubber sleeve 634 can be adaptively adjusted according to the expansion of connecting flange 61, so as to avoid the gap between connecting flange 61 and sealing piece 63, and affect the sealing performance.

[0031] Referring to Figure 4and Figure 5 As shown in the figure, the inside of the sealing installation cavity 635 is fixedly installed with a plurality of rubber columns 636, and the inside of the rubber column 636 is installed with a honeycomb rubber pad 637; the number of the honeycomb rubber pad 637 is multiple, and the multiple honeycomb rubber pads 637 are arranged at equal distances in the inside of the rubber column 636 in a ring shape;

[0032] In this embodiment, when the two connecting flanges 61 expand, the elastic air bag 638 and the honeycomb rubber pad 637 in the inside of the sealing installation cavity 635 can quickly push the limiting connection ring 633, so as to avoid that the limiting connection ring 633 and the fixed rubber sleeve 634 cannot quickly respond when the connecting flanges 61 expand, resulting in leakage of the liquid.

[0033] And by using the deformation ability of the honeycomb rubber pad 637, the limiting connection ring 633 can be collapsed when it extrudes the rubber column 636, which can avoid the resistance of the limiting connection ring 633 to the movement of the rubber column 636, and at the same time, the rubber column 636 can quickly return to the initial state.

[0034] Referring to Figure 1 As shown in the figure, the other side of the top of the transport liquid tank body 1 is communicated and installed with a manhole 7, so as to enable the maintenance personnel to enter the inside of the transport liquid tank body 1.

[0035] Referring to Figure 1 and Figure 2 As shown in the figure, the surfaces of the liquid inlet connecting pipe 4 and the liquid outlet connecting pipe 5 are installed with valves 66, so as to open or close the transport liquid tank body 1 when liquid is filled or discharged.

[0036] Working principle: in the actual use process, the first sealing is formed between the inner sealing cylinder 632 and the liquid outlet pipe 3 and the liquid outlet connecting pipe 5 through the connection of the two, and when the liquid pressure in the inside of the transport liquid tank body 1 is too large, the pushing force is formed on the two connecting flanges 61, so that the two connecting flanges 61 expand, at this time, by using the sliding connection of the limiting connection ring 633 and the sealing installation cavity 635, the two connecting flanges 61 drive the limiting connection ring 633 to move in the inside of the sealing installation cavity 635 when they expand, so that the limiting connection ring 633 and the fixed rubber sleeve 634 can be adaptively adjusted according to the expansion of the connecting flanges 61, so as to avoid the gap between the connecting flanges 61 and the sealing element 63.

[0037] And at the same time when the connecting flanges 61 expand, the elastic air bag 638 and the honeycomb rubber pad 637 in the inside of the sealing installation cavity 635 can quickly push the limiting connection ring 633, so as to avoid that the limiting connection ring 633 and the fixed rubber sleeve 634 cannot quickly respond when the connecting flanges 61 expand, resulting in leakage of the liquid.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-sealing transportation liquid tank assembly, comprising a transportation liquid tank body (1), one side of the top of the transportation liquid tank body (1) is communicated with a liquid inlet pipe (2) for liquid inlet, one side of the bottom of the transportation liquid tank body (1) is communicated with a liquid outlet pipe (3) for liquid outlet, the liquid inlet pipe (2) is flange-connected with a liquid inlet connecting pipe (4) at the end away from the transportation liquid tank body (1), and the liquid outlet pipe (3) is flange-connected with a liquid outlet connecting pipe (5) at the end away from the transportation liquid tank body (1), characterized in that: Sealing mechanisms (6) for strengthening sealing are installed between the liquid inlet pipe (2) and the liquid inlet connecting pipe (4) and between the liquid outlet pipe (3) and the liquid outlet connecting pipe (5); The sealing mechanisms (6) comprise connecting flanges (61) installed on the surfaces of the liquid outlet pipe (3) and the liquid outlet connecting pipe (5), and sealing grooves (62) are formed on the adjacent sides of the two connecting flanges (61), and sealing members (63) for improving sealing performance are installed in the sealing grooves (62); A plurality of bolts (64) are installed through the surface of one connecting flange (61), and one end of each bolt (64) penetrates through the other connecting flange (61) and extends to one side of the connecting flange (61), and nuts (65) for fixing are threadedly connected to the surfaces of the bolts (64).

2. A high containment transport liquid tank assembly as defined in claim 1, wherein: The sealing members (63) comprise rubber sealing gaskets (631) arranged between the two connecting flanges (61), and inner sealing cylinders (632) are fixedly installed in the rubber sealing gaskets (631), and the two ends of each inner sealing cylinder (632) penetrate through the liquid outlet pipe (3) and the liquid outlet connecting pipe (5) and extend to the inside of the two pipes; Limiting connecting rings (633) are fixedly installed on the top and the bottom of each rubber sealing gasket (631), fixed rubber sleeves (634) are fixedly installed in the sealing grooves (62), sealing installation cavities (635) are formed in one side of each fixed rubber sleeve (634), one side of each limiting connecting ring (633) away from the rubber sealing gasket (631) penetrates through the sealing installation cavity (635) and extends to the inside of the sealing installation cavity (635), and the limiting connecting ring (633) and the sealing installation cavity (635) are in sliding connection.

3. A high containment transport liquid tank assembly as defined in claim 2, wherein: A plurality of rubber columns (636) are fixedly installed in the sealing installation cavities (635), and honeycomb rubber pads (637) are installed in the interiors of the rubber columns (636); The number of the honeycomb rubber pads (637) is multiple, and the multiple honeycomb rubber pads (637) are arranged at equal distances in the interiors of the rubber columns (636) in a ring shape.

4. A high containment transport liquid tank assembly as defined in claim 3, wherein: Elastic air bags (638) are fixedly installed in the interiors of the sealing installation cavities (635) on both sides of the rubber columns (636), the elastic air bags (638) are in a ring shape, and the material of the elastic air bags (638) is rubber.

5. A high containment transport liquid tank assembly as defined in claim 1, wherein: A manhole (7) is communicatively installed on the other side of the top of the transport liquid tank body (1) for maintenance personnel to enter the inside of the transport liquid tank body (1).

6. A high containment transport liquid tank assembly as defined in claim 2, wherein: Valves (66) are installed on the surfaces of the liquid inlet connecting pipe (4) and the liquid outlet connecting pipe (5) for opening or closing the transport liquid tank body (1) when liquid is filled or discharged.