Valve box of frozen liquefied gas tank car

The integration of a valve box system within the tank body addresses space constraints by offering a compact and functional design for piping protection, maintaining cargo capacity in cryogenic liquid gas tankers.

CN223105817UActive Publication Date: 2025-07-15ZHANGJIAGANG HANJUNG CIT CO LTD
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Patent Information

Application Number
CN202421876167.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-07-15
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The valve box of the existing refrigerated liquefied gas tanker cannot be installed at the bottom of the middle of the tank body, which affects the maximum use of the tanker volume.

Method used

A valve box suitable for the middle bottom of the tank body is designed, including a box composed of front sealing plate, rear sealing plate, side frame and bottom plate, equipped with box door, ventilation and dust-proof blinds, gas springs and door locks, etc., which can maintain stability and safety during the operation of the tank truck.

Benefits of technology

It is realized that the valve box is installed at the bottom of the middle of the tank body to protect the pipeline system, avoid occupying additional space, and ensure the normal filling, storage, transportation and unloading of the tanker.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a valve box of a frozen liquefied gas tank car, which comprises a front sealing plate, a rear sealing plate, a first side frame, a second side frame and a bottom plate, a box body consisting of the front sealing plate, the rear sealing plate, the first side frame, the second side frame and the bottom plate is fixed at the bottom of the middle of a tank body, and arc-shaped surfaces are arranged at the tops of the front sealing plate and the rear sealing plate. Box doors are arranged on the first side frame and the second side frame, handles are arranged on the lower portions of the box doors, rebounding bolts are arranged between the box doors and the side frames where the box doors are located, ventilation dustproof shutters are arranged on the tops of the first side frame and the second side frame, and air springs are further arranged between the two box doors and the side frames where the box doors are located respectively. Reinforcing ribs are arranged on the inner sides of the front sealing plate, the rear sealing plate, the first side frame and the second side frame. The valve box of the frozen liquefied gas tank car is suitable for the bottom of the middle of a tank body of the frozen liquefied gas tank car, and when a pipeline system is adjusted to the bottom of the middle of the tank body of the frozen liquefied gas tank car, the valve box can protect the pipeline system.
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Description

Technical Field

[0001] The utility model relates to the field of cryogenic liquefied gas tank trucks, and particularly to a valve box of a cryogenic liquefied gas tank truck. Background Art

[0002] In order to protect the pipeline system of a cryogenic liquefied gas tank truck and not affect the normal filling, storage and transportation, and liquid unloading of the tank truck, a valve box is provided outside the pipeline system of the tank truck. Generally, the pipeline system and the valve box are located at the tail of the cryogenic liquefied gas tank truck. However, the pipeline system and the valve box occupy a certain space, affecting the maximization of the tank truck volume. When the pipeline system is adjusted to the middle bottom of the tank body of the cryogenic liquefied gas tank truck, the valve box cannot be used. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a valve box for a cryogenic liquefied gas tank truck applicable to the middle bottom of the tank body of the cryogenic liquefied gas tank truck.

[0004] To solve the above problems, the technical solution adopted by the utility model is as follows: A valve box for a cryogenic liquefied gas tank truck, characterized in that it includes: a front seal plate, a rear seal plate, a first side frame, a second side frame, and a bottom plate. The box body formed by the front seal plate, the rear seal plate, the first side frame, the second side frame, and the bottom plate is fixed to the middle bottom of the tank body. The first side frame and the second side frame are located on the left and right sides between the front seal plate and the rear seal plate. Both sides of the first side frame and the second side frame are respectively connected and fixed to the front seal plate and the rear seal plate. The four sides of the bottom plate are respectively connected and fixed to the bottom of the front seal plate, the rear seal plate, the first side frame, and the second side frame. The top of the front seal plate and the rear seal plate are provided with arc-shaped surfaces that can fit the tank body. Box doors are provided on both the first side frame and the second side frame. The upper edge of the box door is hinged by a hinge, so that the box door can swing upward to open. A handle is provided at the lower part of the box door. A rebound bolt is provided between the box door and the side frame where it is located. After the box door is closed, it can be locked by its corresponding rebound bolt. Ventilation and dust-proof louvers are provided at the top of the first side frame and the second side frame. Gas springs for assisting the opening of the box door are respectively provided between the two box doors and the side frames where they are located. Reinforcing ribs are provided on the inner sides of the front seal plate, the rear seal plate, the first side frame, and the second side frame.

[0005] Further, for the aforementioned valve box of the cryogenic liquefied gas tank truck, wherein: a widened column is provided on one side of the first side frame, and a functional module is installed on the widened column.

[0006] Further, for the aforementioned valve box of the cryogenic liquefied gas tank truck, wherein: door locks are respectively provided between the two box doors and the side frames where they are located.

[0007] Furthermore, the aforementioned valve box of the refrigerated liquefied gas tank truck, wherein: a plurality of vertically arranged gas spring gear holes are respectively provided on the first side frame and the second side frame, the inner end of the gas spring is hinged in a gas spring gear hole, the outer end of the gas spring is hinged to the box door, and the gas spring gear holes of different heights correspond to gas springs of different lengths.

[0008] The utility model has the advantages that the valve box of the refrigerated liquefied gas tank truck is suitable for the middle bottom of the tank body of the refrigerated liquefied gas tank truck, and when the pipeline system is adjusted to the middle bottom of the tank body of the refrigerated liquefied gas tank truck, the valve box can protect the pipeline system. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The utility model is a schematic diagram of the structure of the valve box of the refrigerated liquefied gas tank truck.

[0010] Figure 2 This is a schematic diagram of the valve box of the refrigerated liquefied gas tank truck of the utility model being installed on the tank truck. DETAILED DESCRIPTION

[0011] The present invention will be described in further detail below in conjunction with specific embodiments and accompanying drawings.

[0012] like Figure 1 , Figure 2 As shown, the valve box of the refrigerated liquefied gas tank truck includes: a front sealing plate 1, a rear sealing plate 2, a first side frame 3, a second side frame 4, and a bottom plate 5. The box body composed of the front sealing plate 1, the rear sealing plate 2, the first side frame 3, the second side frame 4, and the bottom plate 5 is fixed to the middle bottom of the tank body 13, the first side frame 3 and the second side frame 4 are located on the left and right sides between the front sealing plate 1 and the rear sealing plate 2, the first side frame 3 and the second side frame 4 are respectively connected and fixed to the front sealing plate 1 and the rear sealing plate 2, the four sides of the bottom plate 5 are respectively connected and fixed to the bottom of the front sealing plate 1, the rear sealing plate 2, the first side frame 3, and the second side frame 4, the tops of the front sealing plate 1 and the rear sealing plate 2 are provided with arc surfaces that can fit with the tank body 13, and the first side frame 3 is provided with an arc surface that can fit with the tank body 13. A box door 6 is provided on the first side frame 3 and the second side frame 4. The upper edge of the box door 6 is hinged by a hinge so that the box door 6 can swing upward to open. A handle 7 is provided at the lower part of the box door 6, and a rebound latch 8 is provided between the box door 6 and the side frame where it is located. After the box door 6 is closed, it can be locked by the corresponding rebound latch 8. The use of the rebound latch 8 can prevent the box door 6 from being accidentally opened due to vibration during the operation of the tank truck. Ventilation and dustproof shutters 9 are provided on the top of the first side frame 3 and the second side frame 4, and gas springs 10 for assisting the box door 6 to open are respectively provided between the two box doors 6 and the side frames where they are located. Reinforcing ribs are provided on the inner sides of the front sealing plate 1, the rear sealing plate 2, the first side frame 3 and the second side frame 4.

[0013] In this embodiment, a widened column is provided on one side of the first side frame 3, and a functional module 11 is installed on the widened column. The functional module 11 can be installed by opening holes on the column, which is convenient for installing tanker instruments and the like.

[0014] Door locks are respectively provided between the two door panels 6 and the side frames where they are located.

[0015] A plurality of vertically arranged gas spring gear holes 12 are respectively provided on the first side frame 3 and the second side frame 4. The inner end of the gas spring 10 is hinged in one of the gas spring gear holes 12, and the outer end of the gas spring 10 is hinged to the door panel 6. The gas spring gear holes 12 at different heights correspond to gas springs 10 of different lengths. In this way, by replacing the gas springs 10 of different lengths, the door panel 6 can be opened at different angles.

Claims

1. Valve box of a cryogenic liquefied gas tanker, characterized in that: Comprising: A front seal plate, a rear seal plate, a first side frame, a second side frame, and a bottom plate. The box formed by the front seal plate, the rear seal plate, the first side frame, the second side frame, and the bottom plate is fixed to the middle bottom of the tank body. The first side frame and the second side frame are located on the left and right sides between the front seal plate and the rear seal plate. The two sides of the first side frame and the second side frame are respectively connected and fixed to the front seal plate and the rear seal plate. The four sides of the bottom plate are respectively connected and fixed to the bottoms of the front seal plate, the rear seal plate, the first side frame, and the second side frame. The tops of the front seal plate and the rear seal plate are provided with arc-shaped surfaces that can fit the tank body. Box doors are provided on both the first side frame and the second side frame. The upper edges of the box doors are hinged by hinges so that the box doors can swing upward to open. Handles are provided at the lower parts of the box doors. Rebound bolts are provided between the box doors and the side frames where they are located. After the box doors are closed, they can be locked by their respective corresponding rebound bolts. Ventilation and dust-proof louvers are provided at the tops of the first side frame and the second side frame. Gas springs for assisting the opening of the box doors are also respectively provided between the two box doors and the side frames where they are located. Reinforcing ribs are provided on the inner sides of the front seal plate, the rear seal plate, the first side frame, and the second side frame.

2. The valve box of the cryogenic liquefied gas tanker according to claim 1, wherein: A widened upright column is provided on one side of the first side frame, and a functional module is installed on the widened upright column.

3. The valve box of the cryogenic liquefied gas tanker according to claim 1 or 2, characterized in that: Door locks are respectively provided between the two box doors and the side frames where they are located.

4. The valve box of the cryogenic liquefied gas tanker according to claim 1 or 2, characterized in that: Several vertically arranged gas spring gear holes are respectively provided on the first side frame and the second side frame. The inner ends of the gas springs are hinged in one gas spring gear hole, and the outer ends of the gas springs are hinged to the box doors. Gas spring gear holes of different heights correspond to gas springs of different lengths.