A carriage sealing structure

Abstract

The utility model discloses a kind of carriage sealing structure, including box body assembly, including door panel, door panel is rectangular structure and top is provided with sealing groove, door panel is provided with two and is provided with complementary boss to opposite side, complementary boss inner wall is provided with sealing gasket;Sealing assembly is section bar combination structure and is set in the four around of door panel, including outer layer, middle layer and inner layer sealing strip;Clamping assembly, set in the side plate top and bottom of box body assembly, including clamping groove and clamping block, clamping groove and clamping block cooperation realize corner sealing;Multi-layer sealing assembly and the accurate matching of door panel top sealing groove, in combination with the differentiating material quality of outer layer, middle layer and inner layer sealing strip collocation, can form three independent sealing barriers from the four around of door panel.This design can effectively block outside rainwater, dust and other impurities intrusion carriage interior, reduce temperature exchange inside and outside carriage simultaneously, both guarantee the storage environment stability of internal goods, also reduce the goods loss risk caused by external environment influence.

Description

Technical Field

[0001] This utility model relates to the field of vehicle compartment sealing technology, and in particular to a vehicle compartment sealing structure. Background Technology

[0002] Refrigerated trucks play a crucial role in cold chain logistics. They are mainly used to transport goods that need to be kept in a specific low-temperature environment, such as food and medicine. During the use of refrigerated trucks, the sealing performance of the compartment is directly related to maintaining the low-temperature environment inside the compartment, which in turn affects the quality and safety of the goods.

[0003] However, existing refrigerated truck compartment sealing structures still have many problems. In current refrigerated truck compartment sealing technology, a common method is to install rubber sealing strips around the compartment doors, relying on their elastic deformation to seal the gaps between the doors and the inner walls of the compartment. However, due to the inevitable bumps that occur during vehicle operation and the impacts when opening and closing the doors, the sealing strips are significantly affected, leading to seal failure and loss of cold air and moisture from the compartment. On the other hand, some refrigerated trucks only have sealing strips at the doors, without additional sealing measures for other parts of the compartment. When the pressure in the compartment changes, these unsealed areas may become channels for cold air leakage, reducing the compartment's sealing performance. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a vehicle compartment sealing structure.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A vehicle compartment sealing structure includes a body assembly, including door panels. The door panels are rectangular and have a sealing groove on the top. There are two door panels, and the joint between the two door panels has matching complementary bosses that overlap each other. The inner wall of the complementary bosses is provided with a sealing gasket. A sealing assembly is provided around the door panels, including an outer sealing strip, a middle sealing strip, an inner sealing strip, and a horizontal sealing strip. The four sealing strips form a king-shaped structure. A locking assembly is provided at the top and bottom of the side panels of the body assembly, including a locking groove and a locking block. The locking groove and the locking block cooperate to achieve corner sealing. Sealing corner pieces are provided at each corner inside the body assembly.

[0006] Preferably, the sealing groove matches the sealing assembly, the middle sealing strip is set in the groove, and the outer sealing strip and the inner sealing strip are set on the outer walls of both sides of the door panel.

[0007] Preferably, the card slot and card block are configured with an S-shaped structure and filled with sealant.

[0008] Preferably, the outer sealing strip is a long strip structure made of EPDM rubber, the middle sealing strip is a long strip structure made of foamed rubber, and the inner sealing strip is a long strip structure made of silicone.

[0009] Preferably, the mating surface of the complementary boss is stepped, and the sealing gasket is correspondingly stepped to fit tightly with the complementary boss, and a double-sided adhesive layer is provided between the sealing gasket and the door panel.

[0010] Preferably, the sealing corner fitting is an L-shaped structure made of polyurethane. The three mating surfaces of the sealing corner fitting are fixed to the side plate, top plate and bottom plate of the housing assembly by bolts, and the mating gap is filled with sealant.

[0011] This utility model has the following beneficial effects: 1. The multi-layer sealing assembly of this utility model precisely matches the sealing groove at the top of the door panel. Combined with the differentiated materials of the outer, middle, and inner layers, it can form three independent sealing barriers around the door panel. This design can effectively prevent rainwater, dust, and other impurities from entering the interior of the carriage, while reducing temperature exchange between the inside and outside of the carriage. This not only ensures the stability of the storage environment for the goods inside, but also reduces the risk of damage to the goods caused by external environmental factors.

[0012] 2. The complementary protrusions at the door panel joint of this utility model adopt a stepped bonding surface, which, together with a correspondingly shaped stepped sealing gasket and a double-sided adhesive layer between the gasket and the door panel, can completely eliminate the gaps and dead angles that are easily generated by traditional flat joints. This structure allows the two door panels to be joined surface to surface, which not only greatly improves the sealing tightness of the door panel joint, but also avoids the problems of gasket displacement and seal failure caused by vehicle vibration, and is especially suitable for scenarios with high sealing precision requirements.

[0013] 3. The S-shaped locking assembly of this utility model, filled with sealant, combined with the bolt fixing and gap injection design of the L-shaped polyurethane sealing corner fitting, can specifically address the weak sealing points at the corners of the enclosure. On the one hand, the S-shaped locking and sealant can block leakage channels in the corner gaps; on the other hand, the polyurethane corner fitting combines sealing performance and structural strength. After being fixed with bolts, it can both enhance the corner's resistance to deformation and prevent sealing failure caused by loose corner structure, achieving the dual effect of sealing and structural reinforcement. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the carriage structure; Figure 2 This is a schematic diagram of the sealing assembly structure; Figure 3 This is a schematic diagram of the box assembly structure; Figure 4 This is a schematic diagram of the door panel structure; Figure 5 for Figure 3 A magnified schematic diagram of the local structure at point A in the middle.

[0015] In the diagram: 1. Housing assembly; 101. Door panel; 102. Sealing groove; 103. Complementary boss; 104. Sealing gasket; 2. Sealing assembly; 201. Outer sealing strip; 202. Middle sealing strip; 203. Inner sealing strip; 204. Horizontal sealing strip; 3. Engaging assembly; 301. Snap-in groove; 302. Snap-in block; 303. Sealing corner piece. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0017] Reference Figure 1-5 A vehicle compartment sealing structure includes a body assembly 1, comprising door panels 101, which are rectangular in shape and have a sealing groove 102 on the top. There are two door panels 101, and complementary protrusions 103 that match each other are provided at the joint between the two door panels 101. The two complementary protrusions 103 overlap each other, and a sealing gasket 104 is provided on the inner wall of the complementary protrusion 103. A sealing assembly 2 is provided around the door panels 101, including an outer sealing strip 201, a middle sealing strip 202, an inner sealing strip 203, and a horizontal sealing strip 204. The four sealing strips form a king-shaped structure. A locking assembly 3 is provided at the top and bottom of the side panels of the body assembly 1, including a locking groove 301 and a locking block 302. The locking groove 301 and the locking block 302 cooperate to achieve corner sealing. Sealing corner pieces 303 are provided at each corner inside the body assembly 1.

[0018] In this embodiment, the complementary bosses 103 of the door panel 101, together with the sealing gasket 104 and the top sealing groove 102, can tightly close the gap at the joint of the two doors, eliminating leakage problems caused by poor sealing. The outer, middle and inner layers of the sealing strips around the door panel 101 form multiple layers of protection, which can effectively block the intrusion of external dust and moisture. The slots 301 and the blocks 302 at the top and bottom of the side panel are precisely engaged, and together with the sealing corner pieces 303 in the inner corners, the hidden dangers of the corners of the carriage, which are weak sealing areas, are specifically addressed, ensuring the stability of the interior environment of the carriage in all aspects, and adapting to various cargo transportation scenarios with high requirements for sealing.

[0019] In this utility model, the sealing groove 102 is matched with the sealing component 2, the middle sealing strip 202 is disposed in the groove, and the outer sealing strip 201 and the inner sealing strip 203 are disposed on the outer walls of both sides of the door panel 101.

[0020] In this embodiment, the precise matching of the multi-layer sealing assembly with the top sealing groove 102 of the door panel 101 can form three independent sealing barriers around the door panel 101, which not only ensures the stability of the storage environment for internal goods, but also reduces the risk of goods damage caused by external environmental influences.

[0021] In this invention, the card slot 301 and the card block 302 are configured as an S-shaped structure and are filled with sealant.

[0022] In this embodiment, the S-shaped locking mechanism and sealant can specifically address the weak sealing points at the corners of the enclosure and block leakage channels in the corner gaps.

[0023] In this utility model, the outer sealing strip 201 is a long strip structure made of EPDM rubber, the middle sealing strip 202 is a long strip structure made of foamed rubber, and the inner sealing strip 203 is a long strip structure made of silicone.

[0024] In this embodiment, considering the different sealing requirements and environmental adaptability of different locations in the carriage, different materials are selected for the outer, middle and inner sealing strips of the sealing component 2 to take into account weather resistance, elastic sealing effect and aging resistance, so as to ensure that the sealing component 2 maintains stable sealing performance during long-term use.

[0025] In this utility model, the mating surface of the complementary boss 103 is stepped, and the sealing gasket 104 is correspondingly stepped and tightly fitted with the complementary boss 103. A double-sided adhesive layer is provided between the sealing gasket 104 and the door panel 101.

[0026] In this embodiment, in order to improve the sealing tightness at the joint of the two door panels 101 and prevent air and water leakage from the gaps, the mating surface of the complementary boss 103 is designed as a stepped shape so that the sealing gasket 104 can fully contact the mating surface of the buckle. At the same time, in order to facilitate the installation and fixing of the sealing gasket 104 and enhance the mating stability, a double-sided adhesive layer is provided between the sealing gasket 104 and the door panel 101 to achieve quick positioning and fixing of the gasket.

[0027] In this utility model, the sealing corner piece 303 is an L-shaped structure made of polyurethane. The three mating surfaces of the sealing corner piece 303 are respectively fixed to the side plate, top plate and bottom plate of the box assembly 1 by bolts, and the mating gap is filled with sealant.

[0028] In this embodiment, in order to solve the problem of sealing dead corners in the inner corners of the housing assembly 1, the sealing corner piece 303 is designed as an L-shaped structure so that it can adapt to the three-sided fitting requirements of the corner. At the same time, the corner piece is made of polyurethane material with high strength and good sealing performance. The three fitting surfaces of the corner piece are fixed to the side plate, top plate and bottom plate respectively by bolts. Then, sealant is filled in the fitting gap to form a corner sealing structure without dead corners.

[0029] During use, first check whether the outer sealing strip 201, middle sealing strip 202, inner sealing strip 203, and sealing gasket 104 are intact. Prepare sealant and bolts. Attach the sealing gasket 104 to the inner wall of the complementary boss 103 of the door panel 101 using double-sided tape, thus splicing the complementary bosses 103 of the two door panels 101. Then, embed the middle sealing strip 202 into the top sealing groove 102 of the door panel 101. The outer sealing groove 201 and the inner sealing groove 203 are respectively attached to the door panel 101. After pressing the outer walls on both sides firmly, insert the S-shaped clip 302 into the S-shaped slots 301 at the top and bottom of the side panel of the housing assembly 1. Inject sealant into the gaps in the slots 301. Then, attach the L-shaped sealing corner piece 303 to the inner corner of the housing assembly 1, so that the three contact surfaces of the sealing corner piece 303 correspond to the side panel, top panel and bottom panel respectively. After fixing with bolts, add sealant to the contact gap between the sealing corner piece 303 and the housing assembly 1. Finally, close the door panel 101 and check whether each seal is tightly fitted.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A carriage sealing structure, characterized in that, include: The enclosure assembly (1) includes a door panel (101), which is a rectangular structure and has a sealing groove (102) on the top. There are two door panels (101), and the joint of the two door panels (101) is provided with mutually matching complementary bosses (103). The two complementary bosses (103) overlap each other, and the inner wall of the complementary bosses (103) is provided with a sealing gasket (104). A sealing assembly (2) is provided around the door panel (101) and includes an outer sealing strip (201), a middle sealing strip (202), an inner sealing strip (203), and a horizontal sealing strip (204). The outer sealing strip (201), the middle sealing strip (202), the inner sealing strip (203), and the horizontal sealing strip (204) form a king-shaped structure. The locking assembly (3) is set on the top and bottom of the side plate of the box assembly (1), including the slot (301) and the block (302). The slot (301) and the block (302) cooperate to achieve corner sealing. Each corner inside the box assembly (1) is provided with a sealing corner piece (303).

2. The carriage sealing structure according to claim 1, characterized in that, The sealing groove (102) is matched with the sealing assembly (2), the middle sealing strip (202) is set in the groove, and the outer sealing strip (201) and the inner sealing strip (203) are set on the outer walls of both sides of the door panel (101).

3. The carriage sealing structure according to claim 1, characterized in that, The card slot (301) and card block (302) are configured as an S-shaped structure and are filled with sealant.

4. The carriage sealing structure according to claim 1, characterized in that, The outer sealing strip (201) is a long strip structure made of EPDM rubber, the middle sealing strip (202) is a long strip structure made of foamed rubber, and the inner sealing strip (203) is a long strip structure made of silicone.

5. The carriage sealing structure according to claim 1, characterized in that, The mating surface of the complementary boss (103) is stepped, and the sealing gasket (104) is correspondingly stepped and tightly fitted with the complementary boss (103). A double-sided adhesive layer is provided between the sealing gasket (104) and the door panel (101).

6. The carriage sealing structure according to claim 1, characterized in that, The sealing corner piece (303) is an L-shaped structure made of polyurethane. The three mating surfaces of the sealing corner piece (303) are respectively fixed to the side plate, top plate and bottom plate of the box assembly (1) by bolts, and the mating gap is filled with sealant.

Images