Refrigerated vehicle compartment with sealing mechanism

Abstract

This utility model relates to the field of logistics transportation equipment technology, specifically disclosing a refrigerated truck with a sealing mechanism, including a truck body and two doors hinged to the rear end of the truck body. A dynamic sealing mechanism is provided on the opposite inner sides of the two doors. A lifting and pressing device is provided on the inner top wall of the truck body. The dynamic sealing mechanism includes a first housing and a second housing respectively fixed to the two doors. The first and second housings are arranged opposite each other and open on opposite sides. A driving component and a sealing block driven by the driving component to extend and retract are provided inside the first housing. An elastic sealing layer is wrapped around the outer periphery of the sealing block. The dynamic sealing mechanism achieves better sealing to ensure the refrigerated quality of goods and reduce energy consumption. The lifting and pressing device reliably secures the goods, and the combination with automated control improves efficiency. Furthermore, the overall structure is reasonable and durable, comprehensively improving the reliability and practicality of refrigerated transportation.

Description

Technical Field

[0001] This utility model relates to the field of logistics transportation equipment technology, and specifically discloses a refrigerated truck with a sealing mechanism. Background Technology

[0002] Refrigerated trucks are essential tools for transporting frozen or fresh goods and are widely used in industries such as food and pharmaceuticals. The airtightness of the truck body is crucial for maintaining a stable low-temperature environment inside. Currently, existing refrigerated trucks primarily use rubber sealing strips for static sealing of the doors. Over time, these strips are prone to aging, deformation, or wear, leading to decreased sealing performance, cold air leakage, and increased refrigeration energy consumption. Furthermore, when transporting irregularly shaped or highly stacked goods, the goods may shake or even collapse during vehicle operation, potentially damaging the goods and affecting cold air circulation within the truck body, further reducing refrigeration effectiveness.

[0003] Therefore, developing a new type of refrigerated truck sealing mechanism and cargo clamping device is of great practical significance. Utility Model Content

[0004] This utility model proposes a refrigerated truck compartment with a sealing mechanism, which significantly improves the sealing reliability, energy efficiency, and adaptability to cargo impacts through the dual effects of dynamic active sealing and internal buffer compression.

[0005] This utility model is implemented as follows: a refrigerated truck compartment with a sealing mechanism includes a compartment body and two doors hinged to the rear end of the compartment body. A dynamic sealing mechanism is provided on the opposite inner sides of the two doors. A lifting and pressing device is provided on the inner top wall of the compartment body.

[0006] The dynamic sealing mechanism includes a first housing and a second housing respectively fixed to two doors. The first housing and the second housing are arranged opposite each other and open on opposite sides. The first housing is provided with a driving member and a sealing block that is driven to extend and retract by the driving member. The outer periphery of the sealing block is wrapped with an elastic sealing layer. When the two doors are closed, the first housing and the second housing are connected to form a sealing channel. The driving member can drive the sealing block to extend into the sealing channel, so that the elastic sealing layer is interference-fitted with the inner wall of the sealing channel.

[0007] The lifting and pressing device includes a lifting drive unit, a lifting plate driven by the lifting drive unit, and a buffer pressing assembly disposed at the bottom of the lifting plate, wherein a pressure plate is disposed at the bottom of the buffer pressing assembly.

[0008] As a preferred embodiment of the refrigerated compartment with a sealing mechanism according to this utility model, the length of the first shell is greater than the length of the second shell, so that the sealing block can be more fully inserted into the sealing channel, and the sealing block is located inside the first shell.

[0009] In a preferred embodiment of this utility model of a refrigerated truck with a sealing mechanism, the driving component is an electric push rod or a linear motor.

[0010] As a preferred embodiment of the refrigerated compartment with a sealing mechanism according to this utility model, the buffer compression assembly includes at least four damping shock absorbers disposed between the lifting plate and the pressure plate, and elastic guide mechanisms symmetrically disposed on both sides of the damping shock absorbers.

[0011] As a preferred embodiment of the refrigerated compartment with a sealing mechanism according to this utility model, the elastic guiding mechanism includes a sleeve fixed to the lifting plate, a guide rod slidably inserted into the sleeve, and a compression spring sleeved outside the guide rod. The lower end of the guide rod is fixedly connected to the pressure plate, and the two ends of the compression spring abut against the lifting plate and the pressure plate respectively.

[0012] As a preferred embodiment of the refrigerated compartment with a sealing mechanism according to this utility model, the lifting drive unit is an electric lead screw module or a telescopic electric cylinder.

[0013] As a preferred embodiment of the refrigerated truck compartment with a sealing mechanism according to this utility model, it further includes a controller located at the front of the truck, a door magnetic sensor is provided on the door, and the controller is electrically connected to the door magnetic sensor, the drive component and the lifting drive unit.

[0014] The beneficial effects of this utility model are:

[0015] 1. The dynamic sealing mechanism drives the sealing block to make an interference fit with the inner wall of the sealing channel through the driving component. Compared with the traditional sealing strip, the sealing effect is better, which can effectively reduce the entry of external heat into the compartment, reduce the energy consumption of the refrigeration unit, better maintain the low temperature environment in the compartment, and ensure the refrigerated quality of the goods.

[0016] 2. The lifting and pressing device can press and fix the goods to prevent them from shaking or collapsing during transportation and protect them from damage. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0018] Figure 1This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a cross-sectional structural diagram of the dynamic sealing mechanism of this utility model.

[0020] Figure 3 This is a schematic diagram of the lifting and pressing device of this utility model.

[0021] Figure 4 This utility model Figure 3 A magnified structural diagram of point A in the middle.

[0022] Figure 5 This is a schematic diagram of the structure of the sealing block and elastic sealing layer of this utility model.

[0023] The markings in the diagram are: 1. Body; 2. Door; 3. First housing; 4. Second housing; 5. Drive unit; 6. Sealing block; 7. Elastic sealing layer; 8. Sealing channel; 9. Lifting drive unit; 10. Lifting plate; 11. Buffer clamping assembly; 12. Pressure plate; 13. Damping shock absorber; 14. Elastic guide mechanism; 15. Sleeve; 16. Guide rod; 17. Compression spring; 18. Controller; 19. Door magnetic sensor. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0025] Please see Figure 1-5 A refrigerated truck compartment with a sealing mechanism includes a compartment body 1 and two doors 2 hinged to the rear end of the compartment body 1. A dynamic sealing mechanism is provided on the opposite inner sides of the two doors 2. A lifting and pressing device is provided on the inner top wall of the compartment body 1.

[0026] The dynamic sealing mechanism includes a first housing 3 and a second housing 4 respectively fixed to two door bodies 2. The first housing 3 and the second housing 4 are arranged opposite each other and open on opposite sides. The first housing 3 is provided with a driving member 5 and a sealing block 6 driven by the driving member 5 to extend and retract. The outer periphery of the sealing block 6 is wrapped with an elastic sealing layer 7. When the two door bodies 2 are closed, the first housing 3 and the second housing 4 are connected to form a sealing channel 8. The driving member 5 can drive the sealing block 6 to extend into the sealing channel 8, so that the elastic sealing layer 7 is interference-fitted with the inner wall of the sealing channel 8.

[0027] The lifting and pressing device includes a lifting drive unit 9, a lifting plate 10 driven by the lifting drive unit 9, and a buffer pressing assembly 11 disposed at the bottom of the lifting plate 10. A pressure plate 12 is disposed at the bottom of the buffer pressing assembly 11.

[0028] In this embodiment: when the two doors 2 are closed, the first housing 3 and the second housing 4 dock to form a sealed channel 8; after receiving the signal from the controller 18, the drive unit 5 converts electrical energy into mechanical energy and drives the sealing block 6 to extend; the elastic sealing layer 7 on the outer periphery of the sealing block 6 is interference-fitted with the inner wall of the sealed channel 8, and the elastic deformation of the elastic sealing layer 7 fills the tiny gaps in the inner wall of the channel, thereby achieving a seal at the connection of the doors 2 and preventing external heat from entering the carriage; the lifting drive unit 9 converts electrical energy into linear motion mechanical energy and drives the lifting plate 10 to descend; during the descent of the lifting plate 10, the damping shock absorber 13 and the elastic guide mechanism 14 in the buffer pressing assembly 11 work together to buffer the impact force caused by the descent speed of the lifting plate 10 and the unevenness of the cargo surface, and ensure the smoothness and centering of the pressure plate 12 during descent; after the pressure plate 12 contacts the cargo, as the lifting plate 10 continues to descend, it applies pressure to the cargo and presses the cargo firmly and fixes it in the carriage;

[0029] The elastic sealing layer 7 is made of silicone, fluororubber, etc.

[0030] As a technical optimization of this utility model, the length of the first housing 3 is greater than the length of the second housing 4, so that the sealing block 6 can be more fully inserted into the sealing channel 8, and the sealing block 6 is located inside the first housing 3.

[0031] In this embodiment, the length of the first housing 3 is greater than the length of the second housing 4 and the sealing block 6 is located inside the first housing 3, which allows the sealing block 6 to better cooperate with the second housing 4 to form a seal when it extends. At the same time, the spatial layout of the first housing 3 and the second housing 4 is optimized, which improves the stability and reliability of the dynamic sealing mechanism.

[0032] As a technical optimization of this utility model, the driving component 5 is an electric push rod or a linear motor.

[0033] In this embodiment, the electric push rod or linear motor, both of which are driving components 5, have the characteristics of fast action response and high control precision, and can quickly and accurately drive the sealing block 6 to extend and retract, ensuring the timeliness and reliability of sealing.

[0034] As a technical optimization of this utility model, the buffer clamping assembly 11 includes at least four damping shock absorbers 13 disposed between the lifting plate 10 and the pressure plate 12, and elastic guide mechanisms 14 symmetrically disposed on both sides of the damping shock absorbers 13.

[0035] In this embodiment, the combination of multiple damping shock absorbers 13 and elastic guiding mechanism 14 enhances the buffering and guiding functions of the buffer clamping assembly 11, improves the stability and uniformity of clamping the cargo, and better protects the cargo.

[0036] As a technical optimization of this utility model, the elastic guide mechanism 14 includes a sleeve 15 fixed on the lifting plate 10, a guide rod 16 slidably inserted into the sleeve 15, and a compression spring 17 sleeved outside the guide rod 16. The lower end of the guide rod 16 is fixedly connected to the pressure plate 12, and the two ends of the compression spring 17 abut against the lifting plate 10 and the pressure plate 12 respectively.

[0037] In this embodiment, the cooperation of sleeve 15, guide rod 16 and compression spring 17 makes the working principle of elastic guide mechanism 14 clearer, and can effectively play a guiding and buffering role, further ensuring the effect of pressure plate 12 in pressing the goods.

[0038] As a technical optimization of this utility model, the lifting drive unit 9 is an electric lead screw module or a telescopic electric cylinder.

[0039] In this embodiment, the lifting drive unit 9 is an electric lead screw module or a telescopic electric cylinder, both of which can provide stable linear driving force, accurately control the lifting of the lifting plate 10, meet the pressing requirements of different cargo heights, and improve the applicability of the lifting and pressing device.

[0040] As a technical optimization of this utility model, it also includes a controller 18 located at the front of the vehicle, a door magnetic sensor 19 located on the door body 2, and the controller 18 is electrically connected to the door magnetic sensor 19, the drive component 5 and the lifting drive unit 9.

[0041] In this embodiment, the controller 18 and the door magnetic sensor 19 enable automated control of the dynamic sealing mechanism and the lifting and pressing device. When the door is closed, the goods are pressed first and then sealed to ensure the stability of the goods during transportation, while improving the sealing effect and enhancing the intelligence level of the refrigerated compartment.

[0042] Working principle and usage process of this utility model:

[0043] The goods are loaded into the refrigerated compartment and the door 2 is closed. At this time, the door magnetic sensor 19 on the door 2 detects the closing signal of the door 2 and transmits the signal to the controller 18. After receiving the closing signal from the door magnetic sensor 19, the controller 18 first controls the lifting drive unit 9 to work. The lifting drive unit 9 drives the lifting plate 10 to descend, and the buffer pressing assembly 11 and the pressure plate 12 descend accordingly. When the pressure plate 12 contacts the goods, it continues to apply pressure until the goods are pressed to a suitable degree. After the lifting pressing device completes the pressing of the goods, the controller 18 controls the drive component 5 of the dynamic sealing mechanism to work. The driving component 5 drives the sealing block 6 to extend and enter the sealing channel 8. The elastic sealing layer 7 is interference-fitted with the inner wall of the sealing channel 8 to achieve the sealing of the door 2. During transportation, the refrigeration unit works to maintain the low temperature environment inside the compartment. Due to the good sealing of the dynamic sealing mechanism and the fixing of the cargo by the lifting and pressing device, the cargo is guaranteed to be transported stably in a suitable low temperature environment. After arriving at the destination, the door 2 is opened. The door magnetic sensor 19 detects the door opening signal and transmits it to the controller 18. The controller 18 controls the driving component 5 to retract the sealing block 6, and at the same time controls the lifting drive 9 to raise the lifting plate 10 to release the pressure on the cargo, and then the unloading operation is carried out.

[0044] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] However, the above are merely specific embodiments of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A refrigerated truck compartment with a sealing mechanism, comprising a compartment body (1) and two doors (2) hinged to the rear end of the compartment body (1), characterized in that, Dynamic sealing mechanisms are provided on the opposite inner sides of the two doors (2); a lifting and pressing device is provided on the top wall inside the compartment (1); The dynamic sealing mechanism includes a first housing (3) and a second housing (4) respectively fixed on two doors (2). The first housing (3) and the second housing (4) are arranged opposite to each other and open on opposite sides. The first housing (3) is provided with a driving member (5) and a sealing block (6) driven by the driving member (5) to extend and retract. The outer periphery of the sealing block (6) is wrapped with an elastic sealing layer (7). When the two doors (2) are closed, the first housing (3) and the second housing (4) are connected to form a sealing channel (8). The driving member (5) can drive the sealing block (6) to extend into the sealing channel (8) so that the elastic sealing layer (7) is interference-fitted with the inner wall of the sealing channel (8). The lifting and pressing device includes a lifting drive unit (9), a lifting plate (10) driven by the lifting drive unit (9), and a buffer pressing assembly (11) disposed at the bottom of the lifting plate (10), wherein a pressure plate (12) is disposed at the bottom of the buffer pressing assembly (11).

2. A refrigerated truck compartment with a sealing mechanism according to claim 1, characterized in that: The length of the first housing (3) is greater than the length of the second housing (4) so ​​that the sealing block (6) can be inserted more fully into the sealing channel (8), the sealing block (6) being located inside the first housing (3).

3. A refrigerated truck compartment with a sealing mechanism according to claim 1, characterized in that: The driving component (5) is an electric push rod or a linear motor.

4. A refrigerated truck compartment with a sealing mechanism according to claim 1, characterized in that: The buffer clamping assembly (11) includes at least four damping shock absorbers (13) disposed between the lifting plate (10) and the pressure plate (12) and elastic guide mechanisms (14) symmetrically disposed on both sides of the damping shock absorbers (13).

5. A refrigerated truck compartment with a sealing mechanism according to claim 4, characterized in that: The elastic guide mechanism (14) includes a sleeve (15) fixed on the lifting plate (10), a guide rod (16) slidably inserted in the sleeve (15), and a compression spring (17) sleeved on the guide rod (16). The lower end of the guide rod (16) is fixedly connected to the pressure plate (12), and the two ends of the compression spring (17) abut against the lifting plate (10) and the pressure plate (12) respectively.

6. A refrigerated truck compartment with a sealing mechanism according to claim 1, characterized in that: The lifting drive unit (9) is an electric lead screw module or a telescopic electric cylinder.

7. A refrigerated truck compartment with a sealing mechanism according to claim 1, characterized in that: It also includes a controller (18) located at the front of the vehicle, and a door magnetic sensor (19) is provided on the door body (2). The controller (18) is electrically connected to the door magnetic sensor (19), the drive unit (5) and the lifting drive unit (9).

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