TWI234636B - Magnetic gasket structure of refrigerator door - Google Patents

Abstract

The present invention provides a magnetic gasket structure of a refrigerator door with a sufficient adhering sealing performance, an excellent appearance and a simple structure, wherein the elasticity of a bag-shaped part of a gasket in the opening/closing directions at a welded corner part is not deteriorated when the door is opened and closed. A soft resin is extruded to form the gasket comprising a magnet holding part (12) containing a magnet (15) attracting the circumference (3a) of an opening of a refrigerator main body, a mounting part (13) to the door side and a thin-walled bag-shaped part (14) elastically connecting the magnet holding part and the mounting part with each other. Its ends are cut and butt-welded with each other to form the gasket (11) into a frame shape. The bag-shaped part in the vicinity of the corner welded part is cut out in a specified range toward the magnet holding part side. Thus, the magnetic gasket structure is produced.

Description

1234636 A7 B7 V. Description of the invention ([Technical field to which the invention belongs] The present invention relates to a magnet gasket structure, which is a built-in magnet installed around the inside of a refrigerator door. [Prior art] As shown in Figure 5-a The refrigerator gasket's magnet gasket (51) 'is structured so that its cross section includes: a magnet retaining portion (52), a wedge-shaped mounting portion (53), and a thin-walled capsule portion; a magnet retaining portion (52), which is made of a soft compound Resin material shape: Built-in magnet, which is attracted to the front opening of the thin steel plate casing that forms the main body of the refrigerator. The wedge-shaped mounting part is embedded in a gasket maintenance groove formed on the inner periphery of the refrigerator door; a thin-walled bladder (54), which telescopically connects the magnet maintaining portion (52) and the mounting portion (53). Then, the cross-sectional shape body is formed into an elongated shape by extrusion, and each of the doors is cut at an inclined angle of 45 degrees around the door. The side surface is provided with four sides, and each side is abutted with each other and welded (57) to form a frame shape with a right angle and installed around the inside of the door. When the seal is installed around the door, it faces the installation part. 53) and the magnet maintenance part (52) adsorbed on the casing, so that the money bag-like part (54) can adjust the door switch, and maintain the seal of the door in the front opening part of the refrigerator body, and the disconnection of the seal can make the door [The problem to be solved by the invention] The disk Λ ,: magnet, quasi-holding part (52) maintains the adsorption state, but the mounting part ⑺) is ^ (open movement ', so when the door is opened, it is sealed in 塾 (51) The above cross-sectional shape is 10X297 mm) -4 1234636

′ Will extend along the opening and closing direction of the door, so that the shape of the capsule portion (54) is changed. Then, the capsular portion (54) of the gasket is extended in the opening and closing direction, but a cross section in the width direction perpendicular to the extending direction is contracted instead. As shown in Fig. 5 and Fig. 6, the side surface of the gasket (51) is cut at a 45-degree angle. In the general case of cutting the side surface and welding the corner (57), it seals the single capsule portion (54). The A dimension is shown in Figure 5_a; in this state, when the door is opened, the sac-like portion (54) is stretched, as shown in Figure 5-b. If it is stretched, the width dimension A will be shortened to become the relationship of A > A. As a result, the inside of the frame-shaped corner welding portion (57), that is, the inside of the refrigerator, is shown in Fig. 6-b. Compared to the general state of Fig. 6_a, the outer side of the capsule portion (54) and The inner corner joint angle becomes an acute angle below 45 j, and becomes a shape, which extends the door switch direction and the contraction force in the visibility direction to each other to pull the corner joint surface. Then, with respect to the opening and closing direction of the door, the inside joint portion formed A > A 'in a contracted state. The sac-like portion (54) cannot freely expand and contract, and as a result, an unsmooth situation occurs, that is, the opening and closing direction of the refrigerator door cannot be fully extended. . 'Furthermore, outside the corner welded part (54), the sacral part swells when the door is opened, resulting in a shape that pushes each other in the direction of distance, resulting in an enemy fold. However, the expansion and contraction of the saccular part in the switching direction and No effect. In addition, the conventional gasket is used for the telescopic movement of the gasket when the door is opened and closed. The bladder (54 Dan is closed. Due to the pressure in the bladder, it is difficult to expand and contract as shown in Figure 7 from the side of the mounting part (53). Seal, in the sac-like part -5- ^ Zhang Chilin Choi Accountant® Home Fresh ----- 1234636 A7

Partially-partly through the penetrating hole (59) to make the telescoping effect in the sac-like part right. :: Part of the thick-walled part has no effect due to the expansion and contraction of the non-refrigerator and the capsule-shaped σ 卩 (54). The present invention takes into account the above points, J: purpose A / M_ and the corner located at the corner welded part from the sealing direction of the switch direction of the sac-like part of the expansion and contraction of the edge of the edge 'while providing a simple structure and good appearance refrigerator Door magnet seal construction. r 腼 GEN [Solutions for the problem] = To solve the above problems, such as the refrigerator door magnets in the patent scope P, please refer to the following. It is a gasket made of soft resin extrusion molding. It includes a magnet holder. > To store the magnets that are adsorbed around the opening of the refrigerator body; the door-side mounting part; the thin-walled bag-shaped part that flexibly connects the above-mentioned magnets: temple. [W 刀 和 女 部 部 A; cut off the side surface, butt joint , Welding to form a frame shape, and to the magnet holding part side, within a predetermined range to the side opposite to the door inner substrate, cut out the above-mentioned bag-shaped 4-knife near the corner welding part. With this structure, when the door is opened and closed The slenderness of the switch direction of the bladder is not damaged, the inside and outside of the refrigerator can be sealed, the appearance of the gasket is maintained good, and the structure is simple and cheap. For example, the sacral part of the patent claim 2 is cut out, which cuts out the sacral part inside the refrigerator that is welded with a corner knife, and at this time, a structure can be formed, which can effectively maintain the expansion and contraction force on the inside of the refrigerator, and the The elasticity inside the refrigerator is affected by the expansion and contraction of the bladder. As in the scope of patent application item 3, it is -6-

Pack-order

k This paper size is suitable for China® Freshness (CNS) A4 specification (21GX297 public director) 1234636 V. Description of the invention (the inside of the 4th library, adjacent to the fourth item from the application scope of the refrigerator door, which is in the magnet maintenance part ^ ladder part; For example, if the special slotted part extends out of the door and knife to the inside of the library, the sac-like part forms a solid edge warping piece coming out from the early η wind and 1 nail; Part; moreover, "so that when the door is opened, it will not stagnate 'because of the solid edge warping piece, maintain a good appearance, there is no 9.-full hiding effect. * Work sense. Next, still has good thermal insulation such as The scope of the patent application is No. 5 and the ^ 7 magnetic supply valve is free from the upper / ..., middle magnet holding part side, and the predetermined range near the inner substrate minus side is a sac shape. After the part, the corners and sides are mutually ... c woody corners are attached with m% ^ ^ ^ ^ ^ ^, M, and welded and joined; chemical conversion =: and, the grooving part can be performed almost simultaneously, so it can be simplified [the implementation of the invention Morphology], = Next 'The third embodiment of the present invention will be described based on the drawings. The ice phase shown in FIG. The main body of the heat-insulating box (2), the door of the refrigerator compartment (8), and the door of the freezer are formed into a 'heat-insulating box body', which separates the front opening portion by several heat-insulating partitions to form several independent spaces in the refrigerator. Cold storage room (5) and cold storage: :), vegetable and fruit cold storage room ⑺ is controlled at a fixed temperature to form a suitable food: storage room with 7 storage temperature; refrigerator room door (8), freezer door (9), set In each of the above-mentioned storage room openings of the heat-insulating box body. Among the above-mentioned doors, the refrigerating compartment door (8) is supported by a chain (10) which is installed on one side of the front opening part, and can be rotated freely. As for the other storage door, it is a drawer type. Then, around the back of each door, install a magnetic gasket (11) to make the standard applicable to China National Standard (CNS) M specification (㈣X 烈 7 公 董) 1234636 A7 I-- ~~ ----- B7 Five 、 Explanation of the invention (iy " ^ Form the refrigerator (3) which is refrigerated to the main body (2), and the gap around the front opening (3a) and the periphery of the door is snatched to seal off the thermal energy in the storage room and outdoor, and to fill the wall surface of the main body. The heat insulation material prevents heat leakage together and maintains the storage room at a fixed temperature. Figure 2 shows the enlarged structure of the magnet gasket (11) at the opening of the refrigerating compartment (5). The basic structure is the same as the above-mentioned storage compartment doors. The cross section of the iron in the gasket (11) includes a magnet holding portion (12), a mounting portion (13) on the door inner panel side, and a thin-walled bladder portion (14) that flexibly connects the two mentioned above; The long strip extruded from the soft synthetic resin is cut at a 45-degree oblique angle, butted against the side surface, and heat-welded (17) to form a frame shape along the periphery of the back of the door. The magnet holding portion (12) , Insert configuration by soft rubber and magnet The soft magnet (15) formed by unmixing is thus adsorbed on the convex edge (3 hook) of the front surface of the steel plate casing (3), which makes the indoor and outdoor refrigerator compartments tight and insulated. The mounting portion (13) forms a wedge-shaped anchor Shape, which protrudes from the thick-walled substrate to the bottom, and is embedded into the four sides of the door inner panel (19) to form a mounting groove 咬, thereby preventing the gasket (11) from falling off. The capsule portion (14), A thin wall is used to connect the magnet holding portion (12) and the mounting portion (13) from both sides to form a capsule shape. The capsule portion (1 sentence makes the seal (11) up and down in the direction of the door (8) in FIG. 2) Free expansion and contraction, which can absorb the suction force of the magnet maintaining part (12) when the door is opened, and relax the door opening force, and has a buffering effect on the impact and closing force of the convex edge (3a) of the magnet housing when the door is closed. In the gasket (11) Near the inside of the corner weld (17), as shown in Figure 3 and Figure ^ This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) -8-1234636 A7

As shown in FIG. 4 of the side plan view of the part (13), it passes from a part of the mounting part (i3) to the middle of the bladder part (14), and goes to the magnet holding part side until it reaches the side opposite to the door inner substrate. A cutout (丨 6) is formed in the predetermined range. As the cutout (16) is opened inside the corner welding portion (17) when the door is opened, it can eliminate the mutual pulling of the sacs (14) in the width direction perpendicular to the opening and closing direction. Make

It is possible to use the telescopic action in the direction of the switch to make the door open and close smoothly. Equipment-Although the above-mentioned slotted portion (16) is provided inside the corner welded portion (丨 7), the inner surface is inside the 4 slotted slot (16). In order to suppress the air flow around the seal 塾, the effect is long: A protruding stepped portion (21) protruding toward the inner side of the refrigerator is formed from the vicinity of the sealing and mounting portion of the door inner panel (19), and is made close to it. Since the protruding portion (21) hides the cut groove (16), When the door is opened, the user will not see the cut groove (16), and the appearance is not affected.

Furthermore, as shown in FIG. 2, the sac-like portion (14) from the notch portion (16) to the magnet holding portion (12) is formed on the entire periphery of the upper and inner sides to form a protrusion from the door inner panel (19). The solid edge warp piece (18) extending from the side of the stepped part (21) can completely hide the slotted portion (16) by the rocker piece (18), so it can maintain a good appearance. Form a new heat-insulating cell with the bladder part (14) and the section part (21) to improve the heat-insulating effect inside and outside the storehouse. Furthermore, in the above-mentioned embodiment, the “sealed 塾 main body” which has been cut and pressed into a long shape is connected to the side surface and heat-welded to be processed into a frame shape, which is formed by forming a notch portion (16) in the capsule portion. Explanation, but not limited to this, when the inclination of the corner side surface is cut off after pressing and forming, the size of the paper toward the side of the magnet maintaining part is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) 1234636 V. Description of the invention ( 'After cutting the inner sac-like portion near the corner of the frame within a predetermined range until the side opposite to the door inner substrate, welding the corner portion is also possible. In addition,' when the corner is welded and welded to form a grooved portion ', It has the same structure and effect. The installation part of the gasket is not limited to the embedded structure of the door inner panel, but it can also be joined and bolted. In addition, it is used for door side parts and soft resin-body molding. The same can be applied to the seal 塾 formation; the same effect can be obtained in the direction of the door opening and closing in the vicinity of the corner contact portion of the capsule portion. [Effect of the Invention] Ming 'according to item 1 of the patent scope of the refrigerator compartment door magnet density == made, when the door is opened and closed' the expansion direction of the bag-shaped part: good: in the state, the inside and outside of the library can be sealed, the appearance is good, and the structure Simple and cheap. According to: The invention in item 2 of the patent scope can effectively maintain the telescopic force in the library, which has an effect on the telescoping effect of the capsule. According to the invention in item 3 of the scope of patent application, Adjacent setting of the protrusion = "The slotted part of the sac-like part is hidden even when the user opens the door: look at the 2nd and 2nd, according to the invention of the 4th application scope, the 4 can be completely hidden due to the solid edge interest." 'Therefore, it is possible to obtain a good thermal insulation effect that maintains a good appearance and eliminates air convection in the warehouse. According to the invention in the scope of patent application No. 5, the truncated groove portion can be performed almost simultaneously, so the manufacturing process can be simplified. Knife) , Cut [brief description of the schema]

The paper size is suitable for the family ® Standard (CNS) A4 (210Ti ^ iT -10- 1234636) 5. Description of the invention (8 Figure 1 is a perspective view of the entire refrigerator of the present invention. Figure 2 is a door seal shown in embodiment i of the present invention Enlarged view of the pad part. Figure 3 is a detailed sectional view of the magnet seal shown in Figure 2 when the bladder is extended in the direction of opening and closing when the door is opened. Figure 4 is the magnet seal shown in Figure 3 seen from the side of the mounting part. Plan view. Figure 5⑷ is a cross-section of the previous magnet seal, and Figure 5 (b) is a cross-sectional view of the sac-like part of the seal shown in the opening direction when the door is opened. Figure 6 (a) is the corner of the previous magnet seal. The plan view of the important part of the joint, Fig. 6 (b) is a plan view of the state in which the sac-like portion of (a) is extended toward the opening and closing direction when the door is opened. Fig. 7 is a plan view of the previous structure of Fig. 4. [Description of component symbols] 2 Refrigerator body 5 Refrigerator compartment 8 Refrigerator compartment door Π, 51 Magnet gasket 12, 52 Magnet holding part 13, 53 Mounting part 14, 54 Capsule part 15 Magnet 16 Grooving part 18 Solid edge warping piece 21 Protruding section part 17, 57 Corner welding part 19 Door inner substrate 20 Installation concave phase 59 wear -11 holes - ----- This paper scales applicable Chinese National Standard (CNS) Α4 Specifications (210 X 297 mm)

Claims (1)

1234636 Scope of patent application--A kind of magnet gasket structure for refrigerator door, which is made of soft resin extruded gasket, which includes: magnet maintenance part, which stores the magnet adsorbed around the opening part of the refrigerator body; door side installation part; thin The bladder-like portion of the wall connects the magnet holding portion and the mounting portion flexibly; the side surface is broken, butted, and welded to form a frame shape, and it reaches the side of the magnet holding portion until it reaches the position opposite to the inner substrate. The aforementioned capsule-shaped portion near the corner welding portion is cut out within a predetermined range. 2. For example, the magnet seal structure of the refrigerator door in the scope of the patent application, in which the capsule-shaped part inside the refrigerator at the corner welding part is cut out. 3. For example, the refrigerator door magnet seal structure of the scope of the patent application, wherein the inside of the slot of the slot portion provided in the capsule portion is adjacent to the step portion protruding from the inner plate of the refrigerator door. 4. According to the refrigerator door magnet seal structure of the second patent application scope, the sac-like portion on the side of the magnet maintaining portion is formed with a solid edge warping piece extending from the slotted portion to the inside of the library. 5. The refrigerator door magnet gasket structure according to item 1 of the patent application scope, wherein the capsule-shaped portion near the corner of the frame is cut out to the magnet holding portion side after reaching a predetermined range of ^ opposite to the door inner substrate. The corner surfaces are butted against each other and welded together.