Cold storage door with combined sealing structure

Abstract

The utility model discloses a cold storage door with a combined sealing structure, which relates to the technical field of sealing structures and comprises a door frame, first sealing gaskets are arranged on the front side and the rear side of the door frame respectively, a cold storage door main body is rotatably mounted in the door frame through hinges, and second sealing gaskets are arranged at the upper end, the left side and the right side of the cold storage door main body respectively. Second sealing gaskets are arranged on the top, the left side and the right side of the cold storage door body, third sealing gaskets are arranged at the lower end of the cold storage door body, the top and the side faces of the cold storage door body may face small airflow and temperature difference changes, and therefore the second sealing gaskets are made of rubber materials and low-temperature-resistant foam and have high elasticity and sealing performance. The lower end of the cold storage door body needs to be in contact with the ground, so that the third sealing gasket is made of a wear-resistant rubber material, cold air is prevented from being lost from the position below a door crack, different sealing gaskets are arranged at different positions of the cold storage door body, the sealing performance can be improved, and the temperature in a cold storage is kept stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing structure technical field, concretely relates to a cold storage door with combined sealing structure. BACKGROUND

[0002] With the popularity and development of modern cold storage, the sealing performance of the cold storage door, as an important part of the cold storage facility, is crucial to the energy saving effect, temperature maintenance and air quality of the cold storage, and a sealing gasket is usually arranged at the contact position of the cold storage door and the door frame to maintain the low-temperature environment inside the cold storage and prevent cold air leakage and external hot air from entering.

[0003] Most of the existing cold storage doors adopt a single type of sealing structure, however, if the same sealing element is used around the cold storage door, it may lead to uneven sealing effect, because the sealing requirements of different contact positions may be different, for example, the top and sides of the door may face smaller air flow and temperature difference changes, while the contact surface of the bottom may experience greater pressure and friction, and the use of the same sealing element may not adapt to these different requirements, leading to incomplete sealing and further affecting the temperature stability and energy efficiency of the cold storage, based on this, the present scheme provides a cold storage door with combined sealing structure to solve the above problems. SUMMARY

[0004] To solve the above technical problems, a cold storage door with combined sealing structure is provided, which solves the problem of uneven sealing effect caused by the use of the same sealing element around the cold storage door, because the sealing requirements of different contact positions may be different, for example, the top and sides of the door may face smaller air flow and temperature difference changes, while the contact surface of the bottom may experience greater pressure and friction, and the use of the same sealing element may not adapt to these different requirements, leading to incomplete sealing and further affecting the temperature stability and energy efficiency of the cold storage.

[0005] To achieve the above purposes, the utility model adopts the technical scheme of: a cold storage door with combined sealing structure, comprising a door frame, first sealing gaskets are arranged on the front and rear sides of the door frame, a cold storage door body is rotatably installed inside the door frame through a hinge, second sealing gaskets are arranged on the upper end and the left and right sides of the cold storage door body, the outer side of the second sealing gaskets abuts against the inner side of the door frame, a third sealing gasket is arranged on the lower end of the cold storage door body, polyurethane foam is arranged inside the cold storage door body, two support rods are fixedly connected to the front end of the cold storage door body, a push rod is fixedly connected to the front end of the two support rods, a receiving block is fixedly connected to the left end of the door frame, two receiving holes are formed in the front end of the receiving block.

[0006] Preferably, the left side of the push rod is provided with a fixing assembly, the fixing assembly comprises a bearing, and the bearing is fixedly installed at the front end of the freezer door body.

[0007] Preferably, the front end of the bearing seat is rotatably installed with a rotating rod, the front end of the rotating rod is fixedly connected with a limiting plate, and the front end of the limiting plate is provided with a second positioning hole.

[0008] Preferably, the front end of the door frame is fixedly connected with a fixing block, the upper end of the fixing block is provided with a limiting groove, and the limiting groove is internally placed with a limiting plate.

[0009] Preferably, the front end of the fixing block is provided with two first positioning holes, and the interiors of the two first positioning holes and the two second positioning holes are all inserted with a positioning rod.

[0010] Preferably, the front end of the two positioning rods is fixedly connected with a connecting block, and the front end of the connecting block is fixedly installed with a handle.

[0011] Compared with the prior art, the freezer door with the combined sealing structure has the following beneficial effects:

[0012] The second sealing pad is composed of rubber material and low-temperature-resistant foam, has strong elasticity and sealing property, and is arranged at the top and the left and right sides of the freezer door body. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a structure schematic view of the door frame in the utility model;

[0015] Figure 3 It is a structure schematic view of the freezer door body in the utility model;

[0016] Figure 4 It is Figure 3 It is a local enlarged schematic view of position A in the utility model;

[0017] Figure 5 It is a structure schematic view of the fixing assembly in the utility model;

[0018] Figure 6 It is a structure schematic view of the limiting plate in the utility model.

[0019] Reference signs in the drawings are:

[0020] 1, door frame; 2, first sealing gasket; 3, hinge; 4, cold storage door body; 5, second sealing gasket; 6, third sealing gasket; 7, polyurethane foam; 8, support rod; 9, push rod; 10, storage block; 11, storage hole;

[0021] 12, fixing assembly; 1201, bearing; 1202, rotating rod; 1203, limiting plate; 1204, fixing block; 1205, limiting groove; 1206, first positioning hole; 1207, positioning rod; 1208, connecting block; 1209, handle; 1210, second positioning hole. DETAILED DESCRIPTION

[0022] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0023] With reference to Figures 1-6 As shown in the figure, a cold storage door with a combined sealing structure comprises a door frame 1, the front and rear sides of the door frame 1 are provided with first sealing gaskets 2, the inside of the door frame 1 is rotatably installed with a cold storage door body 4 through a hinge 3, the upper end and the left and right sides of the cold storage door body 4 are provided with second sealing gaskets 5, the outer side of the second sealing gaskets 5 abuts against the inner side of the door frame 1, the lower end of the cold storage door body 4 is provided with a third sealing gasket 6, the inside of the cold storage door body 4 is provided with a polyurethane foam 7, the polyurethane foam 7 is a heat preservation core material of the cold storage door body, its closed cell structure can prevent air convection, reduce heat entering the cold storage through convection, and its good filling performance can fill the gap very tightly, preventing cold air leakage from the source, the front end of the cold storage door body 4 is fixedly connected with two support rods 8, the front ends of the two support rods 8 are fixedly connected with a push rod 9, the left end of the door frame 1 is fixedly connected with a storage block 10, the front end of the storage block 10 is provided with two storage holes 11, the sizes of the two storage holes 11 are the same as those of the first positioning hole 1206 and the second positioning hole 1210, when the cold storage door body 4 needs to be opened, the two positioning rods 1207 are pulled out from the inside of the first positioning hole 1206 and the second positioning hole 1210 through the handle 1209, and then the two positioning rods 1207 are inserted into the storage holes 11 provided at the front end of the storage block 10, so that the cold storage door body 4 is placed conveniently.

[0024] With reference to Figure 1 , Figure 5 and Figure 6As shown, the left side of the push rod 9 is provided with a fixed assembly 12, the fixed assembly 12 includes a bearing 1201, the bearing 1201 is fixedly installed at the front end of the freezer door body 4, a rotating rod 1202 is rotatably installed in the front end of the bearing 1201, the front end of the rotating rod 1202 is fixedly connected with a limiting plate 1203, when it is necessary to open the freezer door body 4, after two positioning rods 1207 are pulled out, the limiting plate 1203 is rotated to move out of the inside of the limiting groove 1205, so that the freezer door body 4 can be opened, the front end of the limiting plate 1203 is provided with a second positioning hole 1210, when the limiting plate 1203 is placed in the inside of the limiting groove 1205, the second positioning hole 1210 corresponds to the first positioning hole 1206, at this time, the two positioning rods 1207 are inserted into the inside of the first positioning hole 1206 and the second positioning hole 1210 through the handle 1209, so that the limiting plate 1203 is limited in the inside of the limiting groove 1205, thereby closing the freezer door body 4, the front end of the left side of the door frame 1 is fixedly connected with a fixed block 1204, the upper end of the fixed block 1204 is provided with a limiting groove 1205, the limiting plate 1203 is placed in the inside of the limiting groove 1205, the front end of the fixed block 1204 is provided with two first positioning holes 1206, the two first positioning holes 1206 are provided to the rear side of the limiting groove 1205, the inside of the two first positioning holes 1206 and the two second positioning holes 1210 are inserted with the positioning rod 1207, the front end of the two positioning rods 1207 is fixedly connected with a connecting block 1208, the front end of the connecting block 1208 is fixedly installed with a handle 1209.

[0025] The working principle and use process of the utility model: the upper end and the left and right sides of the freezer door body 4 are provided with the second sealing pad 5, the second sealing pad 5 is arranged at the place where the freezer door body 4 contacts with the door frame 1, adopts high elasticity silica gel material, has excellent low temperature resistance, compression resistance and aging resistance, can ensure that good sealing effect is maintained after long time use, the lower end of the freezer door body 4 is provided with the third sealing pad 6, the third sealing pad 6 contacts with the ground, adopts wear-resistant rubber material, prevents cold air from flowing from the lower part of the door gap, simultaneously effectively prevents the infiltration of external hot air, dust and moisture, by setting different sealing pads at different positions of the freezer door body 4, the sealing effect of the freezer door body 4 can be maximized, and the inside and outside of the door frame 1 are also provided with the first sealing pad 2, the first sealing pad 2 is composed of rubber material and low temperature resistant foam, has strong elasticity and sealing property, wherein, the inside first sealing pad 2 mainly plays the role of heat bridge resistance, the outside first sealing pad 2 plays the role of wind and water proofing, adopts the combination of multiple sealing pads, is convenient for optimizing the sealing effect of each part according to the different characteristics of different sealing pads, makes the freezer door body 4 be able to maintain a tightly closed state for a long time, reduces cold air loss, improves energy efficiency, reduces the energy consumption of the freezer equipment.

[0026] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A walk-in cooler door having a combined seal structure, comprising: The utility model provides a cold storage door, including door frame (1), first sealing gasket (2) is provided with in the front and back of door frame (1), the inside of door frame (1) is rotatably installed with cold storage door body (4) through hinge (3), the upper end and the left and right sides of cold storage door body (4) are provided with second sealing gasket (5), the outside of second sealing gasket (5) is in abutment with the inside of door frame (1), the lower end of cold storage door body (4) is provided with third sealing gasket (6), the inside of cold storage door body (4) is provided with polyurethane foam (7), the front end of cold storage door body (4) is fixedly connected with two support rods (8), the front end of two support rods (8) is fixedly connected with push rod (9), the left end of door frame (1) is fixedly connected with receiving block (10), two receiving holes (11) are formed in the front end of receiving block (10).

2. The cold storage door having a combined seal structure according to claim 1, characterized in that: The left side of the push rod (9) is provided with a fixing assembly (12), the fixing assembly (12) comprises a bearing (1201), the bearing (1201) is fixedly installed on the front end of the cold storage door body (4).

3. The walk-in door having a combined seal structure according to claim 2, wherein: The front end of the bearing (1201) seat is rotatably installed with a rotating rod (1202), the front end of the rotating rod (1202) is fixedly connected with a limiting plate (1203), and the front end of the limiting plate (1203) is provided with a second positioning hole (1210).

4. The walk-in cooler door having a combination seal structure of claim 1, wherein: The front end of the door frame (1) is fixedly connected with a fixed block (1204), the upper end of the fixed block (1204) is provided with a limiting groove (1205), and the limiting groove (1205) is placed with the limiting plate (1203).

5. The walk-in cooler door having a combination seal structure of claim 4, wherein: The front end of the fixed block (1204) is provided with two first positioning holes (1206), and the inside of the two first positioning holes (1206) and the two second positioning holes (1210) is inserted with a positioning rod (1207).

6. The walk-in cooler door having a combination seal structure of claim 5, wherein: The front end of the two positioning rods (1207) is fixedly connected with a connecting block (1208), and the front end of the connecting block (1208) is fixedly installed with a handle (1209).

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