A sealing structure for a cold chain vehicle insulation box

By adopting a sealing system with cylinders, motors, screws and connecting rods in the cold chain vehicle insulation box, the problem of poor sealing of the cold chain vehicle insulation box is solved, and the insulation effect and the cooling efficiency of the cold chain car are significantly improved.

CN222713597UActive Publication Date: 2025-04-04HUNAN XINDONG JHC NEW ENERGY VEHICLE CO LTD
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Patent Information

Application Number
CN202420699863.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2025-04-04
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

The insulation box of existing cold chain vehicles is difficult to provide a good sealing environment between the outside and the inside, resulting in poor insulation effect.

Method used

A sealing system including a bottom plate, a box, a cylinder, a connecting rod, a sealing gasket is adopted. Through the cooperation of the cylinder and a motor, the screw rod and the positioning cylinder are driven to move, the sealing gasket is fixed, and the sealing of the box is achieved through the extrusion of the connecting rod and the pressure plate.

Benefits of technology

The problem of poor sealing of cold chain car insulation box is effectively solved, the insulation effect is improved, and the cooling efficiency of cold chain car is further improved through the cooperation of the insulation curtain and the telescopic rod.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222713597U_ABST
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Abstract

The utility model discloses a sealing structure of a cold chain vehicle insulation box, including a bottom plate, the top of the bottom plate is fixedly connected to a box body, one side inner wall of the box body is rotatably connected to a cylinder, one end of the cylinder piston rod is rotatably connected to a first connecting seat, one side inner wall of the first connecting seat is fixed with a second connecting plate, and the second connecting plate is rotatably connected to the box body, one side of the second connecting plate is rotatably connected to a connecting rod, the top of the connecting rod is rotatably connected to the first connecting plate, and the first connecting plate is rotatably connected to the box body, and the bottom of the connecting rod is fixedly connected to a pressing plate. The utility model squeezes the sealing gasket through the pressing plate, thereby sealing the box body, solving the problem that it is difficult to provide a good sealing environment between the outside and the inside of the insulation box, resulting in poor insulation effect, and further improves the insulation effect of the insulation box through the insulation curtain, and can also improve the stability of the insulation box during operation.
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Description

Technical Field

[0001] The utility model relates to the technical field of cold chain vehicles, and in particular to a sealing structure of a cold chain vehicle insulation box. Background Art

[0002] A cold chain truck is a van equipped with refrigeration or insulation equipment, which is used to transport perishable goods and goods with specific temperature requirements. An insulated box is needed in the refrigerated truck to keep the goods cold so that they are not easily spoiled.

[0003] After searching, a Chinese patent with announcement number CN207065968U discloses a refrigerated box for cold chain vehicles. Such a refrigerated box for cold chain vehicles has the advantages of being able to meet long-distance transportation and continuous refrigeration without power supply. However, it still has the following defects: it is difficult to provide a good sealing environment between the outside and the inside of the insulation box, resulting in poor insulation effect. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art and to propose a sealing structure for a cold chain vehicle insulation box.

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

[0006] A sealing structure of a cold chain vehicle insulation box, comprising a bottom plate, the top of the bottom plate is fixedly connected to a box body, one side inner wall of the box body is rotatably connected to a cylinder, one end of the cylinder piston rod is rotatably connected to a first connecting seat, one side inner wall of the first connecting seat is fixedly connected to a second connecting plate, and the second connecting plate is rotatably connected to the box body, one side of the second connecting plate is rotatably connected to a connecting rod, the top of the connecting rod is rotatably connected to the first connecting plate, and the first connecting plate is rotatably connected to the box body, the bottom of the connecting rod is fixedly connected to a pressure plate, one side inner wall of the box body is provided with an installation groove, a sealing gasket is fixedly connected in the installation groove, a positioning hole is provided on one side of the sealing gasket, the top of the bottom plate is fixedly connected to a mounting shell, one side of the mounting shell is fixedly connected to a motor, one end of the motor output shaft is fixedly connected to a screw rod, and the circumferential outer wall of the screw rod is slidably connected to a positioning cylinder.

[0007] As a further solution of the utility model, two telescopic rods are rotatably connected to an inner wall of one side of the box body, the two telescopic rods are rotatably connected to a second connecting seat, and the two second connecting seats are fixedly connected to a second connecting plate.

[0008] As a further solution of the utility model, two mounting seats are fixedly connected to an outer wall of one side of the box body, and a thermal insulation curtain is rotatably connected between the two mounting seats.

[0009] As a further solution of the utility model, a plurality of mounting plates are fixedly connected to the top of the base plate, and the plurality of mounting plates are evenly distributed.

[0010] As a further solution of the utility model, a temperature detector is fixedly connected to the top inner wall of the box.

[0011] As a further solution of the utility model, a plurality of heat dissipation holes are opened on one side of the installation shell, and the plurality of heat dissipation holes are evenly distributed.

[0012] As a further solution of the present invention, the sealing gasket is in contact with the pressure plate.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model starts the cylinder and the motor, and the motor output shaft rotates to drive the screw rod and the positioning cylinder to move, so that the positioning cylinder is against the positioning inside to prevent the sealing gasket from moving. After the cylinder is started, the piston rod of the cylinder extends out to drive the first connecting seat and the second connecting plate to rotate. Under the action of the connecting rod, the first connecting plate and the pressure plate, the pressure plate rotates to the position of the installation groove to squeeze the sealing gasket, thereby sealing the box body, solving the problem that it is difficult to provide a good sealing environment between the outside and the inside of the insulation box, resulting in poor insulation effect.

[0015] 2. The utility model uses a mounting base and a thermal insulation curtain in coordination. When the operator needs to open the thermal insulation box to place goods, the thermal insulation curtain effectively prevents the heat inside the box from dissipating, thereby improving the cooling efficiency of the cold chain compartment and further improving the thermal insulation effect of the thermal insulation box.

[0016] 3. The utility model can effectively reduce the shaking of the second connecting seat on both sides when the second connecting seat rotates through the coordinated use of the telescopic rod and the second connecting seat, making the rotation more stable, thereby improving the stability of the incubator during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional front structural schematic diagram of a sealing structure of a cold chain vehicle insulation box proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of a sealed structure box of a cold chain vehicle insulation box proposed by the utility model;

[0019] Figure 3 This is a partially enlarged schematic diagram of a connecting rod of a sealing structure of a cold chain vehicle insulation box proposed by the utility model;

[0020] Figure 4 This is a partial enlarged schematic diagram of part A of the sealing structure of the cold chain vehicle insulation box proposed by the utility model;

[0021] Figure 5This is a schematic diagram of the internal structure of a sealing structure installation shell of a cold chain vehicle insulation box proposed by the utility model.

[0022] In the figure: 1. bottom plate; 2. mounting plate; 3. thermal insulation curtain; 4. mounting seat; 5. mounting shell; 6. heat dissipation hole; 7. box body; 8. temperature sensor; 9. connecting rod; 10. sealing gasket; 11. mounting groove; 12. pressure plate; 13. first connecting plate; 14. second connecting plate; 15. cylinder; 16. first connecting seat; 17. second connecting seat; 18. telescopic rod; 19. positioning cylinder; 20. screw rod; 21. positioning hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-Figure 5 A sealing structure of a cold chain vehicle insulation box comprises a bottom plate 1, a box body 7 is fixed to the top of the bottom plate 1 by bolts, a cylinder 15 is rotatably connected to the inner wall of one side of the box body 7, one end of the piston rod of the cylinder 15 is rotatably connected to the first connecting seat 16, a second connecting plate 14 is fixed to the inner wall of one side of the first connecting seat 16, and the second connecting plate 14 is rotatably connected to the box body 7, a connecting rod 9 is rotatably connected to one side of the second connecting plate 14, a first connecting plate 13 is rotatably connected to the top of the connecting rod 9, and the first connecting plate 13 is rotatably connected to the box body 7, a pressing plate 12 is fixed to the bottom of the connecting rod 9 by bolts, an installation groove 11 is provided on the inner wall of one side of the box body 7, a sealing gasket 10 is bonded in the installation groove 11, a positioning hole 21 is provided on one side of the sealing gasket 10, a mounting shell 5 is fixed to the top of the bottom plate 1 by bolts, a motor is fixed to one side of the mounting shell 5 by bolts, and a motor output shaft One end of the screw rod 20 is fixed by a bolt, and the circumferential outer wall of the screw rod 20 is slidably connected with a positioning cylinder 19. When the box body 7 needs to be sealed, the operator starts the cylinder 15 and the motor. After the motor is started, the motor output shaft rotates to drive the screw rod 20 to rotate, and the screw rod 20 rotates to drive the positioning cylinder 19 to move, so that the positioning cylinder 19 is against the positioning hole 21, thereby fixing the sealing gasket 10 to prevent the sealing gasket 10 from moving. After the cylinder 15 is started, the piston rod of the cylinder 15 extends out and drives the first connecting seat 16 to rotate. The first connecting seat 16 rotates to drive the second connecting plate 14 to rotate. The second connecting plate 14 rotates to drive the connecting rod 9 and the first connecting plate 13 to rotate. The connecting rod 9 rotates to drive the pressure plate 12 to rotate. When the pressure plate 12 rotates to the position of the mounting groove 11, it squeezes the sealing gasket 10, thereby sealing the box body 7.

[0025] In the utility model, two telescopic rods 18 are rotatably connected to the inner wall of one side of the box body 7, and the two telescopic rods 18 are rotatably connected to the second connecting seat 17. The two second connecting seats 17 are fixed with the second connecting plate 14 by bolts. Two mounting seats 4 are fixed to the outer wall of one side of the box body 7 by bolts. A thermal insulation curtain 3 is rotatably connected between the two mounting seats 4. Through the coordinated use of the mounting seats 4 and the thermal insulation curtain 3, when the operator needs to open the thermal insulation box to place goods, the thermal insulation curtain 3 effectively prevents the heat dissipation in the box body 7, thereby improving the cold preservation efficiency of the cold chain compartment, and further The heat preservation effect of the heat preservation box is further improved. A plurality of mounting plates 2 are fixed to the top of the bottom plate 1 by bolts, and the plurality of mounting plates 2 are evenly distributed. The operator installs the entire heat preservation box through the mounting plates 2. A thermometer 8 is fixed to the top inner wall of the box body 7 by bolts, which can measure the temperature inside the box body 7. A plurality of heat dissipation holes 6 are opened on one side of the mounting shell 5, and the plurality of heat dissipation holes 6 are evenly distributed. The heat dissipation holes 6 can quickly dissipate the heat generated by the motor to the outside of the mounting shell 5, ensuring that the temperature of the mounting shell 5 is normal and the sealing pad 10 is in contact with the pressure plate 12.

[0026] Working principle: when it is necessary to seal the box body 7, the operator starts the cylinder 15 and the motor. After the motor is started, the motor output shaft rotates, thereby driving the screw rod 20 to rotate. The screw rod 20 rotates and drives the positioning cylinder 19 to move, so that the positioning cylinder 19 is against the positioning hole 21, thereby fixing the sealing gasket 10 to prevent the sealing gasket 10 from moving. After the cylinder 15 is started, the piston rod of the cylinder 15 extends and drives the first connecting seat 16 to rotate. The first connecting seat 16 rotates to drive the second connecting plate 14 to rotate. The second connecting plate 14 rotates and drives the connecting rod 9 and the first connecting plate 13 to rotate. The connecting rod 9 rotates to drive the pressure plate 12 to rotate. When the pressure plate 12 rotates to the position of the mounting groove 11, it squeezes the sealing gasket 10, thereby sealing the box body 7.

[0027] In addition, although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cold chain vehicle insulation box sealing structure, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a box body (7), one side inner wall of the box body (7) is rotatably connected to a cylinder (15), one end of a piston rod of the cylinder (15) is rotatably connected to a first connecting seat (16), a second connecting plate (14) is fixed to an inner wall of one side of the first connecting seat (16), and the second connecting plate (14) is rotatably connected to the box body (7), one side of the second connecting plate (14) is rotatably connected to a connecting rod (9), the top of the connecting rod (9) is rotatably connected to a first connecting plate (13), and the first connecting plate (13) is rotatably connected to the box body ( 7) rotatable connection, the bottom of the connecting rod (9) is fixedly connected to a pressure plate (12), one side inner wall of the box body (7) is provided with a mounting groove (11), a sealing gasket (10) is fixedly connected in the mounting groove (11), one side of the sealing gasket (10) is provided with a positioning hole (21), the top of the bottom plate (1) is fixedly connected to a mounting shell (5), one side of the mounting shell (5) is fixedly connected to a motor, one end of the motor output shaft is fixedly connected to a screw rod (20), and the circumferential outer wall of the screw rod (20) is slidably connected to a positioning cylinder (19).

2. A cold chain vehicle insulation box sealing structure according to claim 1, characterized in that: Two telescopic rods (18) are rotatably connected to an inner wall of one side of the box body (7), the two telescopic rods (18) are rotatably connected to a second connecting seat (17), and the two second connecting seats (17) are fixedly connected to a second connecting plate (14).

3. A cold chain vehicle insulation box sealing structure according to claim 2, characterized in that: Two mounting seats (4) are fixedly connected to an outer wall of one side of the box body (7), and a thermal insulation curtain (3) is rotatably connected between the two mounting seats (4).

4. A cold chain vehicle insulation box sealing structure according to claim 1, characterized in that: A plurality of mounting plates (2) are fixedly connected to the top of the base plate (1), and the plurality of mounting plates (2) are evenly distributed.

5. The sealing structure of the cold chain vehicle insulation box according to claim 3 is characterized in that: A temperature measuring device (8) is fixedly connected to the top inner wall of the box body (7).

6. A cold chain vehicle insulation box sealing structure according to claim 1, characterized in that: A plurality of heat dissipation holes (6) are provided on one side of the installation shell (5), and the plurality of heat dissipation holes (6) are evenly distributed.

7. A cold chain vehicle insulation box sealing structure according to claim 1, characterized in that: The sealing gasket (10) is in contact with the pressing plate (12).

Citation Information

Patent Citations

  • Automobile -used fridge of cold chain

    CN207065968U