CN216481802U

CN216481802U - Plate connecting structure and refrigerator shell

Info

Publication number: CN216481802U
Application number: CN202123075764.1U
Authority: CN
Inventors: 王文青; 夏金秋; 许同杨; 宗海啸
Original assignee: Jiangsu Tianchen Intelligent Equipment Co ltd
Current assignee: Jiangsu Tianchen Intelligent Equipment Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-10
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a plate connection structure and refrigerator casing. The refrigerator shell is formed by riveting a U shell and a back shell. Wherein, two blocks of curb plates of U shell are connected with the buckle respectively, and the buckle is connected with the butt joint portion of bending. The butt-joint bending part is a clamping plate accommodating groove which is formed by continuously bending a plate body in multiple ways by a forming machine and has an irregular U-shaped bending structure integrally, and comprises an opening part, a riveting part and a glue accommodating part in a surrounding mode. The two ends of the back shell are respectively provided with a clamping plate which is bent vertically. After the clamping plate is inserted into the clamping plate accommodating groove, the riveting part is riveted to form a plate body connecting structure. When the cardboard inserts the cardboard accepting groove, the opening can play the guide effect. After riveting, a glue containing cavity is naturally formed in the glue containing part, and then the connection and sealing are realized by injecting sealant. The utility model discloses the structure is convenient for the automatic riveting of equipment.

Description

Plate connecting structure and refrigerator shell

Technical Field

The utility model relates to a refrigerator manufacturing technology especially relates to refrigerator shell's manufacturing technology.

Background

The refrigeration principle of the refrigerator is that high-temperature and high-pressure refrigerant steam is sent into a condenser through a compressor, after the refrigerant steam is radiated by the condenser, the refrigerant steam enters a drying filter and a capillary tube for throttling and pressure reduction, enters an evaporator after the throttling and pressure reduction, absorbs heat in a refrigeration chamber through evaporation, supplies cold to the refrigeration chamber, and finally flows back to the compressor. In the refrigeration process, the condenser needs to play a role in heat dissipation, and is generally arranged on the inner sides of shells on the left side, the right side or the rear side of the refrigerator, so that the condenser is far away from a refrigeration chamber, and the heat dissipated by the condenser cannot influence the temperature in the refrigeration chamber.

The condenser of the refrigerator is generally realized by a heat exchange tube formed by bending a copper tube back and forth. The heat exchange tube is generally applied to the inside of the refrigerator case from the viewpoint of the aesthetic appearance of the whole refrigerator. The heat insulation between the condenser and the refrigerator liner is realized by filling foaming materials in the inner side of the refrigerator shell. Meanwhile, the foaming material can also play a role in fixing the heat exchange tube. Therefore, in the prior art, the refrigerator casing is generally composed of a shell adhered with the heat exchange tube, a foaming layer and a liner casing. In the prior art, the shell is usually formed by manual welding or riveting. Such manual welding or riveting of the refrigerator case is a heavy work. In order to improve the production efficiency of the refrigerator, the automatic production and processing of the shell are indispensable. In the automatic production and processing of the refrigerator shell, the automatic riveting equipment of the refrigerator shell is an important equipment.

The automatic riveting equipment of the refrigerator shell needs to depend on how the refrigerator shell is processed and assembled, and the structure how the plate bodies are connected is particularly important, so that the connection structure is required to be convenient for the automatic riveting equipment to process besides ensuring that the prepared refrigerator shell needs to reach the due quality.

Disclosure of Invention

The utility model discloses the problem that will solve: the connecting structure of the refrigerator shell is designed to meet the quality requirement of the refrigerator and is suitable for automatic riveting equipment processing.

In order to solve the above problem, the utility model adopts the following scheme:

according to the utility model, the plate connecting structure comprises a butt joint bending part arranged on a first plate and a butt joint clamping plate arranged on a second plate; wherein, the butt joint portion of bending is bent by the plate body multichannel and forms, includes five portions of bending that link to each other in proper order: the first bending part, the second bending part, the third bending part, the fourth bending part and the fifth bending part; the first bending part is vertical to the main body of the first plate body; the third bending part and the fifth bending part are parallel to the first bending part; the second bending part is connected with the first bending part and the third bending part in an arc shape; the fourth bending part is obliquely connected with the third bending part and the fifth bending part; the first bending part, the second bending part, the third bending part, the fourth bending part and the fifth bending part enclose a clamping plate accommodating groove; the clamping plate accommodating groove comprises a glue accommodating part and a riveting part; the riveting part is a part between the fifth bending part and the first bending part, and the glue containing part is a part which is more inner than the riveting part; the fifth bending part is closer to the first bending part than the third bending part, so that the glue containing part has a larger volume space compared with the riveting part; the butt joint clamping plate is vertical to the main body of the second plate body; the butt joint clamping plate is arranged in a clamping plate accommodating groove constructed by the butt joint bending part, and the tail end of the butt joint clamping plate reaches the bottom of the glue accommodating part; the plate body connecting structure is formed by mutually riveting a first bending part, a fifth bending part and a butt joint clamping plate.

Further, according to the utility model discloses a plate body connection structure, glue the intracavity by holding that the portion of gluing formed and annotate sealed glue.

Further, according to the plate body connecting structure of the present invention, the butt-joint bent portion further includes a sixth bent portion connected to the fifth bent portion; an opening part of the clamping plate accommodating groove is formed between the sixth bending part and the first bending part; the sixth bending part turns outwards, so that the opening part is reduced from outside to inside.

The refrigerator shell comprises a U shell and a back shell; the U shell and the back shell are connected through the plate body connecting structure, so that the U shell and the back shell form a mouth-shaped structure.

Furthermore, according to the refrigerator shell of the utility model, the U shell comprises a bottom plate and two side plates; the two side plates are connected through the bottom plate to form a U-shaped structure; the two side plates are respectively bent inwards to form a buckle plate; the pinch plate is used as a first plate body in the plate body connecting structure and is provided with a butt-joint bending part; the back shell is used as a second plate body in the plate body connecting structure, and two ends of the back shell are respectively provided with a butt joint clamping plate; the butt joint cardboard at dorsal scale both ends links to each other with the butt joint portion of bending of two blocks of buckles respectively.

Furthermore, according to the utility model discloses a refrigerator shell, characterized in that, the U and the back shell enclose the opening on the two sides of the mouth-shaped structure respectively for the bottom shell opening and the door plate opening; u shell and backshell all are provided with the hem board that forms through the plate body bending at the drain pan opening part, and pass through the hem board connects the drain pan.

The technical effects of the utility model are as follows:

1. the connecting structure is reserved with a glue containing structure, so that in the subsequent processing technology, the shell can be sealed by injecting sealant into the glue containing structure.

2. The automatic riveting equipment processing is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the refrigerator housing of the present invention.

Fig. 2 is a schematic perspective view of a U-shell portion according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a back shell portion according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of the butt-joint bending part on the U-shaped shell according to the embodiment of the present invention.

Fig. 5 is a schematic structural view of the docking clamping plate on the back shell of the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a plate connection structure according to an embodiment of the present invention.

In the above-described figures of the drawings,

1 is a U shell, 11 is a bottom plate, 12 is a side plate, 13 is a buckle plate, 14 is a first folding plate, 15 is a butt-joint bending part, 151 is a first bending part, 152 is a second bending part, 153 is a third bending part, 154 is a fourth bending part, 155 is a fifth bending part, 156 is a sixth bending part, 16 is a clamping plate accommodating groove, 161 is a glue accommodating part, 162 is a riveting part, and 163 is an opening part;

2 is a back shell, 21 is a butt joint clamping plate, and 22 is a second flange plate; 3 is a riveting line; 4 is a compression bin partition plate; 5 is a heat exchange tube; 91 is a bottom shell opening, 92 is a door panel opening; 100 is a plate body connecting structure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 illustrates a refrigerator case structure. The refrigerator case includes a U-case 1 and a back case 2. The U shell 1 and the back shell 2 are riveted with each other. The U-shaped shell 1 is formed by bending a plate body, and as shown in fig. 2 and 4, includes a bottom plate 11 and two side plates 12. The two side plates 12 are connected by the bottom plate 11 to form a U-shaped structure. The two side plates 12 are bent inwards to form a buckle plate 13. The buckle 13 is provided with a butt-joint bending part 15 formed by bending a plate body. Referring to fig. 3 and 5, the back shell 2 is provided with a butt joint clamping plate 21 at each end. The clamping plates 21 at the two ends of the back shell 2 are respectively clamped and butted with the butted bending parts 15 connected with the two buckling plates 13 and then riveted, so that the back shell 2 and the U shell 1 are connected into a whole. The rivet line 3 in the example of fig. 1 is a line body part where the back shell 2 and the U shell 1 are connected and riveted.

In addition, the refrigerator housing illustrated in fig. 1 is a semi-finished product, and the refrigerator housing has a throat-shaped structure, and two openings are respectively a bottom case opening 91 and a door panel opening 92. It should be noted that the refrigerator of the present invention refers to a refrigerator for refrigeration, including electrical equipment such as refrigerator, freezer or freezer, etc. which are commonly known in life. The refrigerator housing illustrated in fig. 1 is one type of housing used in what is known colloquially as a cooler. The bottom case opening 91 is a portion for installing the bottom case, and the door panel opening 92 is a portion for installing the refrigerator door. Set up the drain pan for the cooperation at drain pan opening 91, U shell 1 and back of the body 2 all are provided with the hem board that forms through the plate body bending in drain pan opening 91 department. The folding plate on the U-shell 1 is the first folding plate 14, and the folding plate on the back shell 2 is the second folding plate 22. Therefore, the bottom shell is connected through the folding plate to form a complete refrigerator shell. Although the illustration does not illustrate the bottom case structure, it does not hinder the understanding of those skilled in the art.

Before the U shell 1 and the back shell 2 of the embodiment are riveted, the U shell 1 is provided with a compression bin partition plate 4, and even the inner side surfaces of the U shell 1 and the back shell 2 are already paved with a heat exchange tube 5 for condensation. The compression bin partition plate 4 is of an L-shaped structure and is used for constructing a compression bin in the refrigerator.

Referring to fig. 4, the butt-joint bending portion 15 is an irregular U-shaped bending structure formed by bending the plate body by the forming machine continuously in multiple ways, and includes at least five bending portions, which are respectively: a first bent portion 151, a second bent portion 152, a third bent portion 153, a fourth bent portion 154, and a fifth bent portion 155. The first, second, third, fourth and

fifth bent portions

151, 152, 153, 154 and 155 are sequentially connected. The first bent portion 151 is a bent portion perpendicular to the plate body of the buckle plate 913, and is connected to the buckle plate 913. The third bent portion 153 and the fifth bent portion 155 are bent portions parallel to the first bent portion 151, and the fifth bent portion 155 is closer to the first bent portion 151 than the third bent portion 153. The second bent portion 152 connects the first bent portion 151 and the third bent portion 153 and has an arc shape. The fourth bent portion 154 connects the third bent portion 153 and the fifth bent portion 155, and is inclined. The first bent portion 151, the second bent portion 152, the third bent portion 153, the fourth bent portion 154, and the fifth bent portion 155 enclose the card receiving groove 16. The card receiving groove 16 includes a rubber receiving portion 161 and a caulking portion 162. The rivet portion 162 is a portion between the fifth bent portion 155 and the first bent portion 151, and the glue-receiving portion 161 is a portion located more inward than the rivet portion 162 and is surrounded by the first bent portion 151, the second bent portion 152, the third bent portion 153, and the fourth bent portion 154. The fifth bending portion 155 is closer to the first bending portion 151 than the third bending portion 153, so that the glue accommodating portion 161 has a larger volume space than the riveting portion 162.

When the butt bent portion 15 and the butt clamp 21 are butted against each other, the butt clamp 21 is inserted into the clamp receiving groove 16, see fig. 6. In fig. 6, the butt-joint bent portion 15 and the butt-joint clamping plate 21 form a plate body connecting structure 100 for connecting two plate bodies. The board connecting structure 100 is the board connecting structure of the present invention. The buckle 13 serves as a first plate body in the plate body connecting structure, and the back shell 2 serves as a second plate body in the plate body connecting structure. In the plate connecting structure, the butt-joint clamping plate 21 is arranged in the clamping plate accommodating groove 16, and the tail end of the butt-joint clamping plate passes through the riveting part 162 and then reaches the bottom of the glue accommodating part 161. The caulking portion 162 is a portion to be caulked. In the caulking portion 162, the butt clamp plate 21 is sandwiched between the fifth bent portion 155 and the first bent portion 151. Obviously, the gap between the fifth bend 155 and the first bend 151 should match the thickness of the docking card 21. After the butt joint snap-gauge 21 is inserted into the snap-gauge accommodating groove 16, the riveting portion 162 is riveted, and after riveting, the first bending portion 151, the fifth bending portion 155 and the butt joint snap-gauge 21 are riveted and connected. That is, the board connecting structure 100 is riveted to the first bending portion 151, the fifth bending portion 155 and the docking catch plate 21 to form a fixed connection. Meanwhile, after the riveting portion 162 is riveted, a larger cavity with a long strip structure is left at the glue accommodating portion 161. The cavity is formed by the glue containing part 161 after riveting, and is called as a glue containing cavity. In the subsequent process, sealant is injected into the sealant containing cavity, so that the riveting line 3 is sealed, namely the joint between the two plate bodies is sealed.

Furthermore, in order to facilitate the automatic processing of the riveting device, in the present embodiment, the butt bend 15 further includes a sixth bend 156. The sixth bent portion 156 is connected to the fifth bent portion 155. Correspondingly, the card board accommodating groove 16 includes an opening portion between the sixth bent portion 156 and the first bent portion 151 in addition to the glue accommodating portion 161 and the caulking portion 162. The sixth fold 156 everts so that the opening 163 exhibits a narrowing of the opening from the outside to the inside. That is, the opening 163 can perform an insertion guiding function when the mating card 21 is inserted.

In addition, in the present embodiment, the bottom plate 11 in the U-case 1 is actually a side plate at one end of the refrigerator. Corresponding to a typical household refrigerator, the bottom panel 11 in the U-shell 1 may actually be the top panel of the top of the refrigerator, and the bottom shell connected at the bottom shell opening 91 may actually be the back shell of the refrigerator. Therefore, the utility model discloses in the position of the actual refrigerator can not be designated to called bottom plate, curb plate, backshell, but the utility model discloses a relative position in the refrigerator casing.

Claims

1. A plate body connecting structure is characterized by comprising a butt-joint bending part (15) arranged on a first plate body and a butt-joint clamping plate (21) arranged on a second plate body; wherein, butt joint portion of bending (15) are bent by the plate body multichannel and are formed, include five portions of bending that link to each other in proper order: a first bent portion (151), a second bent portion (152), a third bent portion (153), a fourth bent portion (154), and a fifth bent portion (155); the first bending part (151) is vertical to the main body of the first plate body; the third bending part (153) and the fifth bending part (155) are parallel to the first bending part (151); the second bending part (152) is connected with the first bending part (151) and the third bending part (153) in an arc shape; the fourth bending part (154) is obliquely connected with the third bending part (153) and the fifth bending part (155); the first bending part (151), the second bending part (152), the third bending part (153), the fourth bending part (154) and the fifth bending part (155) enclose a cardboard accommodating groove (16); the clamping plate accommodating groove (16) comprises a glue accommodating part (161) and a riveting part (162); the riveting part (162) is a part between the fifth bending part (155) and the first bending part (151), and the glue containing part (161) is a part which is more inner than the riveting part (162); the fifth bending part (155) is closer to the first bending part (151) than the third bending part (153), so that the glue containing part (161) has a larger volume space than the riveting part (162); the butt joint clamping plate (21) is vertical to the main body of the second plate body; the butt joint clamping plate (21) is arranged in a clamping plate accommodating groove (16) constructed by the butt joint bending part (15), and the tail end of the butt joint clamping plate reaches the bottom of the glue accommodating part (161); the plate body connecting structure is formed by mutually riveting a first bending part (151), a fifth bending part (155) and a butt joint clamping plate (21).

2. The board connecting structure according to claim 1, wherein a sealant is injected into the glue containing cavity formed by the glue containing portion (161).

3. The panel body connecting structure according to claim 1, wherein the butt-bent portion (15) further includes a sixth bent portion (156) connected to the fifth bent portion (155); an opening (163) of the card board accommodating groove (16) is formed between the sixth bending part (156) and the first bending part (151); the sixth bent portion (156) is turned outward so that the opening portion (163) is reduced in size from the outside to the inside.

4. A refrigerator shell comprises a U shell (1) and a back shell (2); the USB flash disk is characterized in that the U shell (1) and the back shell (2) are connected through the board body connecting structure according to any one of claims 1 to 3, so that the U shell (1) and the back shell (2) form a port-shaped structure.

5. A refrigerator cabinet according to claim 4, characterized in that the U-shell (1) comprises a bottom plate (11) and two side plates (12); the two side plates (12) are connected through the bottom plate (11) to form a U-shaped structure; the two side plates (12) are respectively bent inwards to form a buckle plate (13); the pinch plate (13) is used as a first plate body in the plate body connecting structure and is provided with a butt-joint bending part (15); the back shell (2) is used as a second plate body in the plate body connecting structure, and two ends of the back shell are respectively provided with a butt joint clamping plate (21); the butt joint clamping plates (21) at the two ends of the back shell (2) are respectively connected with the butt joint bending parts (15) of the two buckling plates (13).

6. The refrigerator housing according to claim 5, wherein the two openings of the port-shaped structure defined by the U-shaped housing (1) and the back housing (2) are a bottom housing opening (91) and a door panel opening (92), respectively; u shell (1) and backshell (2) all are provided with the hem board that forms through the plate body bending in drain pan opening (91) department, and pass through the hem board connects the drain pan.