CN112797713A - Refrigerator door liner, door body and mounting method - Google Patents
Refrigerator door liner, door body and mounting method Download PDFInfo
- Publication number
- CN112797713A CN112797713A CN202011626358.7A CN202011626358A CN112797713A CN 112797713 A CN112797713 A CN 112797713A CN 202011626358 A CN202011626358 A CN 202011626358A CN 112797713 A CN112797713 A CN 112797713A
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- Prior art keywords
- door
- lining
- refrigerator
- liner
- sealing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
Abstract
The invention discloses a refrigerator door liner, a refrigerator door body and an installation method, and relates to the technical field of refrigerator door bodies. The invention comprises a lining body; the lining body comprises a lining outer side matched with the refrigerator body and a lining inner side matched with the door outer cover; a first step surface, a second step surface and a third step surface are sequentially formed on the inner side of the lining along the circumferential surface of the lining from outside to inside; the second step surface is provided with a plurality of jaw body structures along the circumferential direction; reinforcing ribs are longitudinally and transversely arranged on the third step surface, and the height of each reinforcing rib is gradually reduced along with the distance from each node; hollow cylinders are arranged at the nodes where the reinforcing ribs are intersected vertically and horizontally; a door seal matched with the refrigerator body is assembled below the outer side of the inner liner; the refrigerator box opening part level is provided with sealed face and the spacing face of circumference that circumference set up. According to the invention, the lower air bag is in interference press fit assembly with the sealing surface at the opening of the refrigerator body, so that the problems of poor heat preservation effect and high energy consumption caused by a large number of gaps left after the existing door body shell is assembled are solved.
Description
Technical Field
The invention belongs to the technical field of refrigerator door bodies, and particularly relates to a refrigerator door liner, a refrigerator door body and an installation method.
Background
Most of small refrigerators in the market at present mainly comprise semiconductor refrigerators. Because the requirement on the refrigeration performance is not high, the door body structure is simpler, the middle heat-insulating layer generally adopts EPS parts with simple structures, and after the door body shell is assembled, the laminating tightness is not very good, and a large number of gaps are left. The heat preservation effect is poor, so the overall performance of the refrigerator is poor, the energy consumption is high, and the industrial requirements and trends of environmental protection are not met.
According to the technical scheme, the lining body is designed, the door outer cover is assembled with the door body to form the closed cavity, and then the cavity is filled with the thermal insulation material in a process mode of injecting the foaming material, so that the effects of sealing, insulating and reducing energy consumption are achieved.
Disclosure of Invention
The invention aims to provide a refrigerator door lining, a refrigerator door body and an installation method, wherein the problems of poor heat preservation effect and high energy consumption caused by a large number of gaps left after the existing door body shell is assembled are solved by interference press-fitting assembly of a lower air bag and a sealing surface at an opening of a refrigerator box body.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a refrigerator door lining, which comprises a lining body; the lining body comprises a lining outer side matched with the refrigerator body and a lining inner side matched with the door outer cover; a first step surface, a second step surface and a third step surface are sequentially formed on the inner side of the lining along the circumferential surface of the lining from outside to inside;
the second step surface is provided with a plurality of jaw body structures along the circumferential direction; reinforcing ribs are longitudinally and transversely arranged on the third step surface, and the height of each reinforcing rib is gradually reduced along with the distance from each node; hollow cylinders are arranged at the nodes where the reinforcing ribs are intersected vertically and horizontally; a door seal matched with the refrigerator body is assembled below the outer side of the inner liner; the refrigerator box opening part level is provided with sealed face and the spacing face of circumference that circumference set up.
Further, a sealing structure is formed on the inner side of the lining along the circumferential edge of the lining; the seal structure body comprises a first stop surface arranged on the inner side of the lining and a first press-fit surface close to the first stop surface.
Further, the sealing structure body also comprises a second stop surface arranged on the inner side of the lining and a second pressing surface adjacent to the second stop surface.
Further, the claw body structure comprises a U-shaped extension body; a wedge-shaped clamping jaw is arranged on one surface of the U-shaped extending body, which is close to the inner side edge of the lining.
Further, the door seal is of a double-airbag structure; the door seal comprises a hollow upper air bag and a hollow lower air bag; and the lower air bag is in interference press fit assembly with a sealing surface at the opening of the refrigerator body.
Furthermore, both sides of the upper air bag and the lower air bag extend outwards to form tongue-shaped extending bodies; a U-shaped groove body is formed between the tongue-shaped extending bodies at the upper part and the lower part.
Further, the outer side of the lining is formed with a fitting portion along the circumferential direction thereof; the matching part is recessed along the inner side of the matching part in the circumferential direction to form a groove part; the groove part is provided with a plurality of extending body structures along the inner walls of the two sides in a staggered manner;
the groove part is in interference and extrusion fit with the tongue-shaped extension body; the extension body structure is clamped with the U-shaped groove body to prevent the door seal strip from falling off; the matching part is arranged corresponding to the circumferential limiting surface, and a gap is reserved between the matching part and the circumferential limiting surface;
the center of the outer side of the lining is provided with a material injection part; the material injection part comprises a sunken cylindrical table; the bottom surface of the sunken cylindrical table is provided with a material injection hole, and the material injection hole is assembled through a sealing cover.
The door body comprises the refrigerator door liner; the upper part of the lining body is assembled with the door outer cover, a liquid thermal insulation material is injected into a cavity formed by the lining body and the door outer cover, and a door body main body is formed after solidification through a foaming process; the door body main body, the door seal and the sealing cover form a door body; the door body is connected with the refrigerator body.
Furthermore, a buckle clamped with the jaw body structure is arranged on the inner surface of the door outer cover along the circumferential direction of the inner surface; one side surface of the buckle is provided with a matching hole matched with the bottom of the wedge-shaped clamping jaw; the inner surface of the door outer cover is provided with a sealing matching part matched with the sealing structure body; the sealing matching part comprises a step body A matched with the first cut-off surface and the first press-fit surface; and a step body B matched with the second cut-off surface and the second pressing surface is arranged on the step body A adjacent to the step body A.
A method for mounting a door body comprises the following steps:
stp1, mounting sealing materials at corresponding positions of the outer door cover and the inner side of the lining, and the outer side of the lining and the sealing cover, and assembling to prevent the liquid heat-insulating material from leaking when foaming;
stp2, assembling the lining body and the door outer cover through the claw body structure and the buckle, then plugging the sealing cover in the material injection hole, and injecting heat insulation material between the lining body and the door outer cover for foaming to form the door body main body.
The invention has the following beneficial effects:
1. according to the invention, the lower air bag is in interference press fit assembly with the sealing surface at the opening of the refrigerator body, so that a reasonable gap is ensured between the door body and the refrigerator body, the sealing and cold air leakage prevention effects are achieved, and the energy consumption of the whole refrigerator is reduced.
2. The door seal strip is prevented from falling off by clamping the extension body structure with the U-shaped groove body; a gap is reserved between the matching part and the circumferential limiting surface, so that direct interference contact between the door body and the refrigerator body is avoided.
3. According to the invention, the material injection hole is formed in the bottom surface of the sunken cylindrical table and is assembled through the sealing cover, so that leakage after liquid heat insulation material is injected into the door body is prevented.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a refrigerator door liner according to the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at B;
FIG. 4 is a schematic structural view of other components of FIG. 3;
FIG. 5 is a schematic view of a door seal;
FIG. 6 is a schematic view of the outer side of the liner;
FIG. 7 is a schematic view of the inner side of the liner;
in the drawings, the components represented by the respective reference numerals are listed below:
1-door body, 2-refrigerator body, 3-lining body, 4-door outer cover, 11-door body, 12-door seal, 13-sealing cover, 21-sealing surface, 22-circumferential limiting surface, 31-lining outer side, 32-lining inner side, 41-sealing matching part, 42-buckle, 32 a-first step surface, 32B-second step surface, 32 c-third step surface, 121-upper air bag, 122-lower air bag, 123-U-shaped groove body, 311-groove part, 312-matching part, 313-material injection part, 321-sealing structural body, 322-claw body structure, 323-reinforcing rib, 411-step body A, 412-step body B, 421-matching hole, 1211-tongue-shaped extension body, 3111-extension body structure, 3131-concave cylindrical table, 3132-material injection hole, 3211-first cut-off surface, 3212-second cut-off surface, 3213-first press fit surface, 3214-second press fit surface, 3221-U-shaped extension body, 3222-wedge-shaped claw, 3231-hollow cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention is a refrigerator door liner, including a liner body 3; the lining body 3 comprises a lining outer side 31 matched with the refrigerator body 2 and a lining inner side 32 matched with the door outer cover 4; the liner inner side 32 is formed with a first step surface 32a, a second step surface 32b, and a third step surface 32c in this order from the outside to the inside along the circumferential surface thereof;
the second step surface 32b is provided with a plurality of jaw body structures 322 along the circumferential direction thereof; reinforcing ribs 323 are arranged on the third step surface 32c in a longitudinal and transverse mode, so that the strength of the part is increased, and the deformation of the part is reduced; the height of the reinforcing ribs 323 is gradually reduced along with the distance from the node, so that the resistance of the liquid heat-insulating material flowing through the reinforcing ribs 323 is reduced conveniently, the liquid heat-insulating material flows fully to reach each corner, and a cavity formed at a dead angle is avoided; a hollow cylinder 3231 is arranged at a node where the reinforcing ribs 323 are intersected vertically and horizontally; a door seal 12 matched with the refrigerator body 2 is assembled below the outer side 31 of the inner lining; the opening of the refrigerator body 2 is horizontally provided with a sealing surface 21 and a circumferential limiting surface 22 which is circumferentially arranged.
Preferably, as shown in fig. 7, the liner inner side 32 is formed with a seal structure 321 along its circumferential edge; the seal structure 321 includes a first stop surface 3211 provided on the liner inner side 32 and a first press-fit surface 3213 adjacent to the first stop surface 3211.
Preferably, as shown in fig. 7, the seal structure 321 further includes a second blocking surface 3212 provided on the liner inner side 32 and a second pressing surface 3214 adjacent to the second blocking surface 3212.
Preferably, as shown in fig. 1, the jaw body structure 322 includes a U-shaped protrusion 3221; a surface of the U-shaped protrusion 3221 near the edge of the inner side 32 of the liner is provided with a wedge-shaped catch 3222.
Preferably, as shown in FIG. 5, the door seal 12 is of a dual bladder construction; the door seal 12 includes a hollow upper air bag 121 and a hollow lower air bag 122; the lower air bag 122 is in interference fit with the sealing surface 21 at the opening of the refrigerator body 2, so that a reasonable gap is reserved between the door body 1 and the refrigerator body 2, sealing is achieved, and cold air is prevented from leaking.
Preferably, as shown in fig. 5, both sides of the upper air bag 121 and the lower air bag 122 extend outwards to form tongue-shaped protrusions 1211; u-shaped groove 123 is formed between the tongue-shaped protrusions 1211 on the upper and lower sides.
Preferably, as shown in fig. 3 to 4, the liner outer side 31 is formed with a fitting portion 312 along its circumferential direction; the fitting portion 312 is recessed along the inner circumference thereof to form a groove portion 311; the groove 311 is provided with a plurality of extending body structures 3111 along the inner walls of the two sides;
the groove 311 is in interference and press fit with the tongue-shaped protrusion 1211; the extension body structure 3111 is clamped with the U-shaped groove body 123 to prevent the door seal 12 from falling off; the matching part 312 is arranged corresponding to the circumferential limiting surface 22, and a gap is reserved between the matching part and the circumferential limiting surface, so that the direct interference contact between the door body 1 and the refrigerator body 2 is avoided;
the center of the outer side 31 of the lining is provided with a material injection part 313; the material injection part 313 comprises a concave cylindrical table 3131; the depressed cylindrical boss 3131 is provided at a bottom surface thereof with a filling hole 3132, and the filling hole 3132 is fitted through a sealing cap 13 to prevent leakage after the liquid insulation material is injected into the door body.
The door body comprises the refrigerator door liner; assembling the upper part of the lining body 3 and the door outer cover 4, injecting a liquid thermal insulation material into a cavity formed by the lining body and the door outer cover, and curing by a foaming process to form a door body main body 11; the door body main body 11, the door seal 12 and the sealing cover 13 form a door body 1; the door body 1 is connected with the refrigerator body 2.
Preferably, as shown in fig. 3-4, the inner surface of the door outer cover 4 is provided with a buckle 42 along the circumferential direction thereof, wherein the buckle is clamped with the jaw body structure 322; one side surface of the buckle 42 is provided with a matching hole 421 matched with the bottom of the wedge-shaped claw 3222; the inner surface of the door outer cover 4 is provided with a seal fitting portion 41 fitted to the seal structure 321; the seal matching part 41 comprises a step body A411 matched with the first stop surface 3211 and the first press-fit surface 3213; the step body B412 matched with the second cut-off surface 3212 and the second pressing surface 3214 is arranged close to the step body A411, so that the overall sealing effect is improved, and the energy consumption of the whole device is reduced.
A method for mounting a door body comprises the following steps:
stp1, installing sealing materials at corresponding positions of the door outer cover 4 and the inner side 32 of the lining, and the outer side 31 of the lining and the sealing cover 13, and assembling to prevent the liquid heat insulating material from leaking when foaming;
stp2, the lining body 3 and the door outer cover 4 are assembled with the buckle 42 through the jaw body structure 322, then the sealing cover 13 is closed at the material injection hole 3132, and the heat insulating material is injected between the lining body 3 and the door outer cover 4 to foam, thereby forming the door body 11.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A refrigerator door liner comprising a liner body (3); the method is characterized in that:
the inner liner body (3) comprises an inner liner outer side (31) matched with the refrigerator body (2) and an inner liner inner side (32) matched with the door outer cover (4);
a first step surface (32a), a second step surface (32b) and a third step surface (32c) are sequentially formed on the inner side (32) of the lining along the circumferential surface of the inner side from outside to inside;
the second step surface (32b) is provided with a plurality of jaw body structures (322) along the circumferential direction; reinforcing ribs (323) are arranged on the third step surface (32c) in a longitudinal and transverse mode, and the height of each reinforcing rib (323) is gradually reduced along with the distance from the node; hollow cylinders (3231) are arranged at the nodes of the longitudinal and transverse intersections of the reinforcing ribs (323);
a door seal (12) matched with the refrigerator body (2) is assembled below the outer side (31) of the inner lining;
the opening of the refrigerator body (2) is horizontally provided with a sealing surface (21) and a circumferential limiting surface (22) which is circumferentially arranged.
2. A refrigerator door liner according to claim 1, wherein the liner inner side (32) is formed with a seal structure (321) along a circumferential edge thereof; the seal structure (321) includes a first cut surface (3211) provided on the inner side (32) of the liner, and a first press-fit surface (3213) adjacent to the first cut surface (3211).
3. The refrigerator door liner of claim 2, wherein the seal structure (321) further comprises a second stop surface (3212) disposed on the inner side (32) of the liner and a second snap surface (3214) adjacent the second stop surface (3212).
4. The refrigerator door liner of claim 1, wherein the pawl body structure (322) includes a U-shaped extension (3221); a wedge-shaped claw (3222) is arranged on one surface of the U-shaped extension body (3221) close to the edge of the inner side (32) of the lining.
5. The refrigerator door liner of claim 1, wherein the door seal (12) is of a double bladder construction; the door seal (12) comprises a hollow upper air bag (121) and a hollow lower air bag (122); the lower air bag (122) is in interference press fit assembly with a sealing surface (21) at the opening of the refrigerator body (2).
6. The refrigerator door liner of claim 5, wherein the upper air chamber (121) and the lower air chamber (122) each have a tongue-shaped protrusion (1211) extending outwardly from both sides thereof; u-shaped groove bodies (123) are formed between the tongue-shaped extending bodies (1211) on the upper part and the lower part.
7. The refrigerator door liner as claimed in claim 6, wherein the liner outer side (31) is formed with a fitting portion (312) along a circumferential direction thereof; the matching part (312) is recessed along the inner side circumference to form a groove part (311); the groove part (311) is provided with a plurality of extending body structures (3111) along the inner walls of two sides in a staggered manner;
the groove part (311) is in interference and extrusion fit with the tongue-shaped extending body (1211); the extending body structure (3111) is clamped with the U-shaped groove body (123);
the matching part (312) is arranged corresponding to the circumferential limiting surface (22) and a gap is reserved;
the center of the outer side (31) of the lining is provided with a material injection part (313); the material injection part (313) comprises a concave cylindrical table (3131); the bottom surface of the concave cylindrical platform (3131) is provided with a material injection hole (3132), and the material injection hole (3132) is assembled through a sealing cover (13).
8. A door body characterized by comprising the refrigerator door liner according to any one of claims 1 to 8; the upper part of the lining body (3) is assembled with the door outer cover (4), a liquid thermal insulation material is injected into a cavity formed by the lining body and the door outer cover, and a door body main body (11) is formed after solidification through a foaming process;
the door body (1) is formed by the door body main body (11), the door seal (12) and the sealing cover (13); the door body (1) is connected with the refrigerator body (2).
9. The door body according to claim 8, characterized in that the inner surface of the door outer cover (4) is provided with a buckle (42) clamped with the claw body structure (322) along the circumferential direction; one side surface of the buckle (42) is provided with a matching hole (421) matched with the bottom of the wedge-shaped claw (3222);
the inner surface of the door outer cover (4) is provided with a sealing matching part (41) matched with the sealing structure body (321);
the sealing matching part (41) comprises a step body A (411) matched with the first stop surface (3211) and the first press-fit surface (3213); and a step body B (412) matched with the second cut-off surface (3212) and the second press-fit surface (3214) is arranged on the position close to the step body A (411).
10. The method for mounting the door body is characterized by comprising the following steps of:
stp1, mounting sealing materials on the corresponding positions of the door outer cover (4) and the inner side (32) of the lining, and the outer side (31) of the lining and the sealing cover (13) and assembling;
stp2, assembling the lining body (3) and the door outer cover (4) with a buckle (42) through a claw body structure (322), then blocking a sealing cover (13) from a material injection hole (3132), and injecting a heat insulation material between the lining body (3) and the door outer cover (4) for foaming to form the door body main body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626358.7A CN112797713A (en) | 2020-12-30 | 2020-12-30 | Refrigerator door liner, door body and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626358.7A CN112797713A (en) | 2020-12-30 | 2020-12-30 | Refrigerator door liner, door body and mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112797713A true CN112797713A (en) | 2021-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011626358.7A Pending CN112797713A (en) | 2020-12-30 | 2020-12-30 | Refrigerator door liner, door body and mounting method |
Country Status (1)
| Country | Link |
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| CN (1) | CN112797713A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201193914Y (en) * | 2007-10-10 | 2009-02-11 | 海尔集团公司 | Refrigerator door body |
| CN201903248U (en) * | 2010-11-30 | 2011-07-20 | 康佳集团股份有限公司 | Interior door seal of energy-saving refrigerator and refrigerator |
| CN102506542A (en) * | 2011-11-07 | 2012-06-20 | 合肥美的荣事达电冰箱有限公司 | Inside door gasket for refrigerator and refrigerator with same |
| CN206861958U (en) * | 2017-03-08 | 2018-01-09 | 佛山市小鲜互联电器科技有限公司 | A kind of door body and the refrigerator with the door body |
| CN207471895U (en) * | 2017-07-27 | 2018-06-08 | 青岛海尔特种电冰柜有限公司 | The door body and refrigerator of refrigerator |
| EP3443284A1 (en) * | 2016-04-15 | 2019-02-20 | Whirlpool Corporation | Vacuum insulated refrigerator structure with three dimensional characteristics |
| CN209926710U (en) * | 2018-12-18 | 2020-01-10 | Tcl家用电器（合肥）有限公司 | Door body and refrigerator with same |
-
2020
- 2020-12-30 CN CN202011626358.7A patent/CN112797713A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201193914Y (en) * | 2007-10-10 | 2009-02-11 | 海尔集团公司 | Refrigerator door body |
| CN201903248U (en) * | 2010-11-30 | 2011-07-20 | 康佳集团股份有限公司 | Interior door seal of energy-saving refrigerator and refrigerator |
| CN102506542A (en) * | 2011-11-07 | 2012-06-20 | 合肥美的荣事达电冰箱有限公司 | Inside door gasket for refrigerator and refrigerator with same |
| EP3443284A1 (en) * | 2016-04-15 | 2019-02-20 | Whirlpool Corporation | Vacuum insulated refrigerator structure with three dimensional characteristics |
| CN206861958U (en) * | 2017-03-08 | 2018-01-09 | 佛山市小鲜互联电器科技有限公司 | A kind of door body and the refrigerator with the door body |
| CN207471895U (en) * | 2017-07-27 | 2018-06-08 | 青岛海尔特种电冰柜有限公司 | The door body and refrigerator of refrigerator |
| CN209926710U (en) * | 2018-12-18 | 2020-01-10 | Tcl家用电器（合肥）有限公司 | Door body and refrigerator with same |
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Application publication date: 20210514 |