CN215523902U - Low temperature foaming door structure - Google Patents

Abstract

The utility model discloses a low-temperature foaming door structure which comprises a door body formed by encircling a door plate, an inner lining plate, a door sealing and clamping frame and two groups of end plates, wherein the interior of the door body is of a hollow structure and is filled with a heat-insulating foaming material; the door sealing and clamping frame is further provided with a door sealing strip, a reinforcing plate is arranged on the inner side of the door panel, and a door handle is arranged on the outer side of the door panel. According to the low-temperature foaming door structure, the reinforcing plate is arranged on the inner side of the door plate, the variable phase quantity in the length direction of the whole foaming door of the refrigerator is less than or equal to 2mm/m under the use condition of-60 ℃, finally, the door seal of the foaming door of the refrigerator can be better attached to the frame of the opening of the refrigerator, the phenomenon of cold leakage and icing caused by gaps is avoided, so that cold air in the refrigerator is more effectively locked, and the refrigerator is more energy-saving and environment-friendly.

Description

Low temperature foaming door structure

Technical Field

The utility model relates to the technical field of refrigerator doors, in particular to a low-temperature foaming door structure.

Background

In daily life, work, and production manufacturing process, can use refrigerator, freezer etc. to refrigerate article, food etc. often, and refrigerator door, freezer door are the necessary part of refrigerator and freezer, close refrigerator and freezer through refrigerator door, freezer door to pin the inside air conditioning of freezer, make energy-conserving, the environmental protection of freezer.

The refrigerator door and the refrigerator door generally adopt a foaming door structure, but under the condition of ultralow temperature of 60 ℃ below zero, the length direction of the foaming door generates certain deformation due to the shrinkage of the heat-insulating foaming material, the deformation is more than or equal to 5mm/m, so that a gap is generated between the door seal of the foaming door and the cabinet opening frame of the refrigerator, finally, the refrigerator is frozen due to the overlarge gap, and the whole refrigerator door is frozen and cannot be opened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-temperature foaming door structure which is simple in structure and can avoid the freezing leakage of a refrigerator.

In order to solve the above technical problems, the present invention can be implemented by adopting the following technical scheme:

a low-temperature foaming door structure comprises a door body which is formed by encircling a door plate, an inner lining plate, a door sealing and clamping frame and two groups of end plates, wherein the interior of the door body is of a hollow structure and is filled with a heat-insulating foaming material; the door sealing and clamping frame is further provided with a door sealing strip, a reinforcing plate is arranged on the inner side of the door panel, and a door handle is arranged on the outer side of the door panel.

In one embodiment, the door seal clamping frame is provided with a clamping groove for clamping and fixing the door seal, one side of the clamping groove is provided with a slot for inserting the edge of the door plate, and the other side of the clamping groove is provided with a supporting plate for supporting the edge of the inner lining plate.

In one embodiment, a triangular clamping block is arranged on one surface of the door seal, and the triangular clamping block is clamped into the clamping groove, so that the door seal is installed on the door seal clamping frame.

In one embodiment, two sides of the opening of the clamping groove are inclined planes.

In one embodiment, the insulating foaming material is cyclopentane foaming agent.

In one embodiment, the door panel is made of color-coated steel plate.

In one embodiment, the inner liner plate is a HIPS blister molding.

In one embodiment, the door seal is a PVC extrusion.

The utility model has the beneficial effects that: the low-temperature foaming door structure is mainly characterized in that a door plate, an inner lining plate, a door sealing clamping frame and two groups of end plates surround to form a hollow door body, heat-preservation foaming materials are filled in the door body and used for bonding all parts of the door body, in addition, a door seal is further arranged on the door sealing clamping frame, finally, a refrigerator foaming door is formed, and the refrigerator foaming door is simple in structure, reasonable in design and good in heat preservation effect.

In addition, the reinforcing plates are respectively arranged on the inner sides of the door plates, the variable phase quantity in the length direction of the refrigerator foaming door is less than or equal to 2mm/m under the use condition of-60 ℃ of the whole refrigerator foaming door through the reinforcing plates, finally, the door seal of the refrigerator foaming door can be better attached to the frame of the opening of the refrigerator, the phenomenon of cold leakage and icing caused by the generation of gaps is avoided, and therefore the cold air in the refrigerator is more effectively locked, and the refrigerator is more energy-saving and environment-friendly.

Drawings

FIG. 1 is an exploded view of the low temperature foaming door of the present invention;

FIG. 2 is an assembly view of the low temperature foaming door structure of the present invention;

FIG. 3 is an enlarged view of the portion A of the structure of the low temperature foaming door of the present invention in FIG. 2;

FIG. 4 is an enlarged view of the portion B in the structure of the low temperature foaming door of the present invention in FIG. 2.

As shown in the attached drawings: 100. a door panel; 200. an inner liner plate; 300. a door seal clamping frame; 310. a card slot; 320. a slot; 330. a support plate; 400. an end plate; 500. a door seal; 510. a triangular clamping block; 600. a reinforcing plate; 700. a door handle.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a low-temperature foaming door structure includes a door body surrounded by a door panel 100, an inner lining panel 200, a door sealing frame 300 and two sets of end panels 400, wherein the interior of the door body is hollow and filled with a heat-insulating foaming material; the door panel 100 has a U-shaped cross section, the door sealing frame 300 is disposed between the door panel 100 and the inner lining 200, the two end plates 400 are respectively disposed at two ends of the door panel 100 and the inner lining 200, the door sealing strip 500 is further mounted on the door sealing frame 300, the inner side of the door panel 100 is provided with the reinforcing plate 600, and the outer side of the door panel is provided with the door handle 700.

Specifically, the refrigerator foaming door in this embodiment is composed of a door panel 100, an inner lining panel 200, a door seal clamping frame 300 and two sets of end panels 400, the number of components is small, the structure of each component is simple, the door panel 100 and the inner lining panel 200 are arranged oppositely, the door seal clamping frame 300 is arranged between the door panel 100 and the inner lining panel 200, in addition, the two sets of end panels 400 are respectively arranged at two ends to form a surround, and finally, the components surround to form a door body with a hollow structure, meanwhile, a heat preservation foaming material is filled in the door body, and the heat preservation foaming material has certain viscosity, so that each component can be bonded, and the heat preservation foaming material can also play a heat preservation role in cooling air of the refrigerator, in addition, a door seal 500 is further installed on the door seal clamping frame 300 and is used for being bonded with a cabinet opening frame of the refrigerator, and heat preservation of the refrigerator is realized.

Because the refrigerating temperature of the refrigerator can be lower than-60 ℃ when needed, the length of the traditional refrigerator foaming door can deform when the temperature is lower than-60 ℃, and the deformation is more than or equal to 5mm/m, so that a gap is generated between a door seal 500 of the refrigerator foaming door and a cabinet opening frame of the refrigerator, finally, the refrigerator is frozen due to the overlarge gap, and the whole refrigerator door is frozen and cannot be opened; therefore, in the embodiment, the reinforcing plates 600 are additionally arranged on the two inner sides of the door plate 100 respectively, and the reinforcing plates 600 are fixed on the inner sides of the door plate 100 through rivets, finally, the variable phase quantity of the length direction of the refrigerator foaming door is less than or equal to 2mm/m under the use condition of-60 ℃, so that the door seal 300 of the refrigerator foaming door can be better attached to the frame of the refrigerator opening, the generation of gaps is avoided, the phenomenon of cold leakage and icing is caused, the cold air in the refrigerator is more effectively locked, and the refrigerator is more energy-saving and environment-friendly.

In the embodiment, the door handle 700 is disposed on the outer side of the door panel 100, so that the refrigerator foaming door can be opened or closed conveniently.

Referring to fig. 3 or 4, the door seal frame 300 is provided with a slot 310 for fastening the door seal 500, a slot 320 for inserting the edge of the door panel 100 is disposed on one side of the slot 310, and a support plate 330 for supporting the edge of the inner liner 200 is disposed on the other side of the slot 310.

In order to facilitate the installation of the door panel 100, the lining panel 200, the door seal frame 300 and the door seal 500, the door seal frame 300 is provided with a slot 310, meanwhile, a triangular clamping block 510 is arranged on the surface of the door seal 500, the door seal 500 is installed on the door seal frame 300 by clamping the triangular clamping block 510 into the slot 310, and two sides of the slot 310 are respectively provided with a slot 320 and a supporting plate 330, when the door panel 100 and the lining panel 200 are installed, because the cross section of the door panel 100 is U-shaped, two sides of the door panel 100 are directly inserted into the slot 320 of the door seal frame 300, and the lining panel 200 is relatively covered on the door panel 100, and the peripheral edge is arranged on the supporting plate 330, and finally, the door panel 100, the lining panel 200, the door seal frame 300 and the door seal 500 are bonded by using a heat-insulating foaming material, and finally, the installation of the door panel 100, the lining panel 200, the door seal frame 300 and the door seal 500 is completed, and the installation is convenient and simple.

In addition, referring to fig. 3 or fig. 4, in order to conveniently and rapidly insert the triangular fixture block 510 into the fixture groove 310 of the door seal frame 300, two sides of the opening of the fixture groove 310 are provided with inclined surfaces, and the triangular fixture block 510 can be directly inserted into the fixture groove 310 through the inclined surfaces facing the bottom direction of the fixture groove 310, so that the door seal 500 can be rapidly installed in the door seal frame 300 and can be reasonably installed.

In this embodiment, the heat-insulating foaming material is a cyclopentane foaming agent, which has a low cost, a certain viscosity, and a good heat-insulating effect.

The door plate 100 is made of the color-coated steel plate, and the color-coated steel plate has the advantages of high mechanical strength of steel materials, easiness in forming, good decoration performance and corrosion resistance of coating materials, and the door plate 100 made of the color-coated steel plate is firm, good in stability and not prone to damage, and the service life of the whole refrigerator foaming door can be prolonged.

Meanwhile, the inner lining plate 200 in this embodiment is a HIPS plastic molding piece, and the inner lining plate 200 can be conveniently produced and manufactured by plastic molding, and the HIPS material can be saved, and in addition, the door seal 500 is a PVC extrusion molding piece, wherein the PVC material is low in cost and easy to process.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. The present invention may be readily implemented by those skilled in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (8)

1. A low temperature foaming door structure which characterized in that: the door comprises a door body formed by enclosing a door panel, an inner lining plate, a door sealing and clamping frame and two groups of end plates, wherein the interior of the door body is of a hollow structure and is filled with a heat-insulating foaming material;

the door sealing and clamping frame is further provided with a door sealing strip, a reinforcing plate is arranged on the inner side of the door panel, and a door handle is arranged on the outer side of the door panel.

2. The low temperature foaming door structure of claim 1, wherein: the door seal clamping frame is provided with a clamping groove used for clamping a door seal, one side of the clamping groove is provided with a slot used for inserting the edge of the door plate, and the other side of the clamping groove is provided with a supporting plate used for supporting the edge of the inner lining plate.

3. The low temperature foaming door structure of claim 2, wherein: a triangular clamping block is arranged on one side of the door seal and clamped into the clamping groove, so that the door seal is installed on the door seal clamping frame.

4. The low temperature foaming door structure of claim 3, wherein: the two sides of the opening of the clamping groove are inclined planes.

5. The low temperature foaming door structure of claim 1, wherein: the heat-insulating foaming material is a cyclopentane foaming agent.

6. The low temperature foaming door structure of claim 1, wherein: the door plate is made of color-coated steel plates.

7. The low temperature foaming door structure of claim 1, wherein: the inner lining plate is a HIPS plastic molding piece.

8. The low temperature foaming door structure of claim 1, wherein: the door seal is a PVC extrusion molding piece.

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