A drain assembly for iron-framed ton containers

CN224767487UActive Publication Date: 2026-09-18XINJIANG HUAXIN TIANHONG NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202522740856.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-24
Publication Date
2026-09-18
Estimated Expiration
2035-12-24

AI Technical Summary

Technical Problem

[0003]在现有技术中,传统铁架吨桶底部多为平底结构,底面积较大,在将吨桶中的物料排出时,桶底通常会有部分物料残留,从而难以将物料完全排放出来,因而就需要通过工人将吨桶抬起,使得吨桶本体向排料口倾斜而达到出料目的,这种排料方式不仅较为繁琐,且排料后仍然会留存有一些物料在吨桶的底壁,从而会造成物料浪费

Benefits of technology

1、本实用新型中排液管上串联单向排液阀,可有效阻止液体回流,同时L型出液管的螺纹口配合螺纹密封盖实现管口密封,活塞在闲置时可滑至贴近单向排液阀的位置,通过公扣与母扣锁定把手,形成管道内部与管口的双重密封结构,大幅降低液体泄漏风险,提升储存与运输过程中的安全性;

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Abstract

This utility model relates to the field of ton container technology, and more particularly to a drain assembly for ton containers with iron frames. The drain assembly includes a ton container, a drain pipe fixedly connected to the drain outlet at the bottom of the ton container, a one-way drain valve installed on the drain pipe, and an L-shaped outlet pipe also installed on the drain pipe. An annular groove is formed inside the L-shaped outlet pipe, and a sealing disc is installed inside the annular groove. A piston is installed inside the drain pipe, and a piston rod is fixedly installed on the piston. The drain assembly for ton containers with iron frames provided by this utility model drives the piston to reciprocate within the drain pipe via the piston rod, actively extracting residual liquid from the bottom of the ton container. When the handle is pulled outwards, a negative pressure is created inside the drain pipe, guiding the residual liquid into the pipe; when the handle is pushed inwards, the pressure inside the pipe increases, pushing the liquid out through the L-shaped outlet pipe. This solves the problem of large bottom area and difficulty in draining residual liquid in traditional flat-bottomed ton containers, significantly improving material utilization and reducing production costs.
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Description

Technical Field

[0001] This utility model relates to the field of iron frame ton containers technology, and in particular to a drain assembly for iron frame ton containers. Background Technology

[0002] As a core piece of equipment for liquid storage and transportation, ton-type steel-framed containers are widely used in various industries such as chemical, pharmaceutical, and food. The reliability, sealing, and thoroughness of their drainage systems directly affect the efficiency and safety of the equipment.

[0003] In existing technologies, traditional ton containers with iron frames are mostly flat-bottomed with a large bottom area. When discharging materials from the ton container, some materials usually remain at the bottom, making it difficult to completely discharge the materials. Therefore, workers need to lift the ton container and tilt it towards the discharge port to achieve the purpose of discharging. This method of discharging is not only cumbersome, but also leaves some materials on the bottom wall of the ton container after discharge, resulting in material waste.

[0004] Therefore, it is necessary to provide a new drainage assembly for iron-framed ton containers to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a drain assembly for iron-framed ton containers.

[0006] The liquid discharge assembly for the iron frame ton container provided by this utility model includes a ton container, a metal frame is fitted around the ton container, and a liquid outlet is opened at the bottom of the ton container; The liquid outlet at the bottom of the ton container is fixedly connected to a drain pipe, a one-way drain valve is installed on the drain pipe, and an L-shaped liquid outlet pipe is also installed on the drain pipe. An annular groove is opened in the L-shaped liquid outlet pipe, and a sealing disc that is rotatably connected and used to prevent air backflow is installed in the annular groove. A piston is installed inside the drain pipe, and a piston rod is fixedly installed on the piston.

[0007] Preferably, the one-way drain valve is located on the drain pipe between the ton container outlet and the L-shaped outlet pipe connection end.

[0008] Preferably, the piston rod has a handle fixedly installed on its rod head, and a male buckle is fixedly installed on the inner plate of the handle. A female buckle is fixedly installed on the barrel wall corresponding to the male buckle, and the female buckle and the male buckle are matched with each other.

[0009] Preferably, when the sealing disc seals the opening of the annular groove, the inner edge of the sealing disc abuts against the inner wall of the annular groove.

[0010] Preferably, the L-shaped liquid outlet pipe is inclined downwards, and the outlet of the L-shaped liquid outlet pipe is a threaded opening, and a threaded sealing cap with a threaded connection is installed on the threaded opening.

[0011] Preferably, the bottom of the ton container is provided with an installation groove, and the drain pipe and the L-shaped outlet pipe are both located in the installation groove.

[0012] Preferably, the bottom of the metal frame is fixedly equipped with a plurality of evenly distributed pads.

[0013] Compared with related technologies, the liquid drainage assembly for iron-framed ton containers provided by this utility model has the following advantages: 1. In this utility model, a one-way drain valve is connected in series on the drain pipe, which can effectively prevent liquid backflow. At the same time, the threaded end of the L-shaped drain pipe is used with a threaded sealing cap to seal the pipe opening. When the piston is idle, it can slide to a position close to the one-way drain valve and lock the handle through the male and female threads, forming a double sealing structure inside the pipe and at the pipe opening, which greatly reduces the risk of liquid leakage and improves the safety during storage and transportation. 2. This utility model uses a piston rod to drive the piston to reciprocate in the drain pipe, which can actively extract residual liquid from the bottom of the ton container. When the handle is pulled outward, a negative pressure is formed in the drain pipe, guiding the residual liquid into the pipe. When the handle is pushed inward, the pressure in the pipe is increased, pushing the liquid out of the L-shaped outlet pipe. This solves the problem of large bottom area and difficulty in draining residual liquid in traditional flat-bottomed ton containers, significantly improving material utilization and reducing production costs. Attached Figure Description

[0014] Figure 1 A schematic diagram of a preferred embodiment of the liquid drainage assembly for iron frame ton containers provided by this utility model; Figure 2 for Figure 1 A schematic diagram of the installation structure of the drain pipe at the bottom of the ton container; Figure 3 for Figure 2 One of the schematic diagrams showing the connection structure between the drain pipe and the L-shaped outlet pipe; Figure 4 for Figure 2 The second schematic diagram shows the connection structure between the drain pipe and the L-shaped outlet pipe. Figure 5 for Figure 3 The diagram shows a cross-sectional view of the drain pipe and the L-shaped outlet pipe.

[0015] The following are the labels in the diagram: 1. Tonnage container; 1a. Mounting groove; 2. Metal frame; 21. Foot pad; 3. Drain pipe; 4. One-way drain valve; 5. L-shaped outlet pipe; 5a. Annular groove; 51. Sealing disc; 52. Threaded port; 53. Threaded sealing cap; 6. Piston; 61. Piston rod; 62. Handle; 7. Male thread; 8. Female thread. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0017] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0018] Please see Figures 1 to 5 This utility model provides a drain assembly for a ton container with an iron frame, which includes a ton container 1, a drain pipe 3, and an L-shaped outlet pipe 5.

[0019] In the embodiments of this utility model, please refer to Figures 1 to 5 The ton container 1 has a liquid inlet at the top and a lid on the liquid inlet. The ton container 1 has an outlet at the bottom and a drain pipe 3 is fixedly connected to the outlet at the bottom. The drain pipe 3 is also connected to an L-shaped outlet pipe 5. The L-shaped outlet pipe 5 has an annular groove 5a inside and a rotatable sealing disc 51 for preventing air backflow is installed inside the annular groove 5a. When the sealing disc 51 seals the opening of the annular groove 5a, the inner edge of the sealing disc 51 abuts against the inner wall of the annular groove 5a. The L-shaped outlet pipe 5 is inclined downward and the outlet of the L-shaped outlet pipe 5 is a threaded opening 52. A threaded sealing cap 53 with a threaded connection is installed on the threaded opening 52. A one-way drain valve 4 is installed on the drain pipe 3. The one-way drain valve 4 is located on the drain pipe 3 between the outlet of the ton 1 and the connection end of the L-shaped drain pipe 5. A piston 6 is installed inside the drain pipe 3, and a piston rod 61 is fixedly installed on the piston 6. A handle 62 is fixedly installed on the rod head of the piston rod 61. A male buckle 7 is fixedly installed on the inner plate of the handle 62. A female buckle 8 is fixedly installed on the ton wall corresponding to the male buckle 7, and the female buckle 8 matches the male buckle 7.

[0020] It should be noted that when the ton container 1 stores liquid, the inner push handle 62 drives the piston 6 to slide past the interface between the L-shaped liquid outlet pipe 5 and the drain pipe 3 and get close to the one-way drain valve 4. Then, the male and female buckles 7 and 8 can be used to fix the handle 62, thereby driving the piston 6 to slide past the interface between the L-shaped liquid outlet pipe 5 and the drain pipe 3, preventing the liquid in the ton container 1 from overflowing. In this application, the fixing structure of the handle 62 is not limited to the locking method of the male and female buckles 7 and 8. The operator can also use a knob-type lock or other locking parts according to the actual situation, which will not be elaborated here. The threaded port 52 on the L-shaped liquid outlet pipe 5 is covered by the threaded sealing cap 53, thereby achieving a double seal between the drain pipe 3 and the L-shaped liquid outlet pipe 5, which greatly reduces the leakage of the drain pipe of the ton container 1. When the ton container 1 needs to be drained, unscrew the threaded sealing cap 53 and then unlock the handle 62. Then pull the handle 62 outward to drive the piston 6 to slide past the interface between the L-shaped outlet pipe 5 and the drain pipe 3. At this time, the one-way drain valve 4 opens under the action of the liquid pressure in the ton container 1, so that the liquid in the ton container 1 flows into the drain pipe 3 and passes through the one-way drain valve 4. Since the L-shaped outlet pipe 5 is inclined downward, the liquid in the drain pipe 3 enters the L-shaped outlet pipe 5 and pushes the sealing plate 51 to rotate outward. At this time, the L-shaped outlet pipe 5 has an annular groove 5a in a passable state, so the liquid can be drained out of the L-shaped outlet pipe 5. When the liquid level in the ton container 1 is low, the operator can repeatedly pull the handle 62 to drive the remaining liquid in the ton container 1 to drain out. Specifically, when the handle 62 is pulled outward, a negative pressure is formed in the drain pipe 3, so the inner edge of the sealing disc 51 abuts against the inner wall of the annular groove 5a and seals the opening of the annular groove 5a. At the same time, the remaining liquid in the ton container 1 can pass through the one-way drain valve 4 and enter the drain pipe 3 between the one-way drain valve 4 and the piston 6. The inner push handle 62 creates a pressurized state in the drain pipe 3. At this time, the liquid cannot flow back from the one-way drain valve 4. Therefore, the sealing disc 51 opens under the action of hydraulic pressure, allowing the liquid to drain out from the L-shaped outlet pipe 5. Therefore, by having staff repeatedly pull handle 62 to continuously discharge the material, the problem of excessive residual liquid when material is discharged was solved because the existing ton container 1 has a flat bottom and a large bottom area.

[0021] Furthermore, the bottom of the ton container 1 is provided with an installation groove 1a, and the drain pipe 3 and the L-shaped outlet pipe 5 are both located in the installation groove 1a, so that the ton container 1 can be placed stably. At the same time, the ton container 1 can also provide a certain range of protection for the drain pipe 3 and the L-shaped outlet pipe 5.

[0022] The ton container 1 is surrounded by a metal frame 2, which can effectively protect the ton container 1. Multiple evenly distributed pads 21 are fixedly installed at the bottom of the metal frame 2. The pads 21 at the bottom of the metal frame 2 can make the outlet of the L-shaped liquid outlet pipe 5 a certain height off the ground, so that it can drain liquid better. It is worth noting that the metal frame 2, the handle 62 and the L-shaped liquid outlet pipe 5 should be provided with openings to avoid the metal frame 2 interfering with the movement of the handle 62 and the liquid discharge effect of the L-shaped liquid outlet pipe 5.

[0023] In addition, the sealing disc 51 is made of engineering plastics (such as polytetrafluoroethylene) or ceramic materials with strong corrosion resistance and excellent wear resistance to improve its erosion and corrosion resistance. Furthermore, an elastic sealing gasket (such as a fluororubber gasket) is added to the contact surface between the sealing disc 51 and the annular groove 5a to enhance sealing reliability and extend the service life of the sealing disc 51. The one-way drain valve 4 is selected by technicians according to requirements.

[0024] The working principle of the drain assembly for iron-framed ton containers provided by this utility model is as follows: A one-way drain valve 4 is connected in series on the drain pipe 3 to effectively prevent liquid backflow. At the same time, the threaded port 52 of the L-shaped outlet pipe 5, together with the threaded sealing cap 53, achieves pipe port sealing. When idle, the piston 6 can slide to a position close to the one-way drain valve 4, and the handle 62 is locked by the male thread 7 and the female thread 8, forming a double sealing structure inside the pipe and at the pipe port, which greatly reduces the risk of liquid leakage and improves safety during storage and transportation. The piston rod 61 drives the piston 6 to reciprocate in the drain pipe 3, which can actively extract residual liquid from the bottom of the ton container 1. When the handle 62 is pulled outward, a negative pressure is formed in the drain pipe 3, guiding the residual liquid into the pipe; when the handle 62 is pushed inward, the pressure inside the pipe is increased, pushing the liquid out from the L-shaped outlet pipe 5. This solves the problem of large bottom area and difficulty in draining residual liquid in traditional flat-bottomed ton containers, significantly improving material utilization and reducing production costs.

[0025] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A drain assembly for a metal-framed ton container, comprising a ton container (1), wherein a metal frame (2) is fitted around the ton container (1), and a drain outlet is provided at the bottom of the ton container (1), characterized in that: The bottom outlet of the ton (1) is fixedly connected to a drain pipe (3), a one-way drain valve (4) is installed on the drain pipe (3), and an L-shaped drain pipe (5) is connected to the drain pipe (3). An annular groove (5a) is opened in the L-shaped drain pipe (5), and a sealing disc (51) is installed in the annular groove (5a) for rotating connection and for preventing air backflow. A piston (6) is installed inside the drain pipe (3), and a piston rod (61) is fixedly installed on the piston (6).

2. The drain assembly for iron-framed ton containers according to claim 1, characterized in that, The one-way drain valve (4) is located on the drain pipe (3) between the outlet of the ton (1) and the connection end of the L-shaped drain pipe (5).

3. The drain assembly for iron-framed ton containers according to claim 1, characterized in that, The piston rod (61) has a handle (62) fixedly installed on its rod head, and a male buckle (7) is fixedly installed on the inner plate of the handle (62). A female buckle (8) is fixedly installed on the barrel wall of the ton (1) corresponding to the male buckle (7), and the female buckle (8) matches the male buckle (7).

4. The drain assembly for iron-framed ton containers according to claim 1, characterized in that, When the sealing disc (51) seals the opening of the annular groove (5a), the inner edge of the sealing disc (51) abuts against the inner wall of the annular groove (5a).

5. The drain assembly for iron-framed ton containers according to claim 1, characterized in that, The L-shaped outlet pipe (5) is inclined downward, and the outlet of the L-shaped outlet pipe (5) is a threaded port (52), and a threaded sealing cap (53) with threaded connection is installed on the threaded port (52).

6. The drain assembly for iron-framed ton containers according to claim 1, characterized in that, The bottom of the ton container (1) is provided with an installation groove (1a), and the drain pipe (3) and the L-shaped outlet pipe (5) are both located in the installation groove (1a).

7. The drain assembly for iron-framed ton containers according to claim 1, characterized in that, The bottom of the metal frame (2) is fixedly equipped with a number of evenly distributed pads (21).