CN101131290A

CN101131290A - Sealing component for refrigerator door

Info

Publication number: CN101131290A
Application number: CNA200610015391XA
Authority: CN
Inventors: 赵石玄
Original assignee: Taizhou LG Electronics Refrigeration Co Ltd
Current assignee: Taizhou LG Electronics Refrigeration Co Ltd
Priority date: 2006-08-22
Filing date: 2006-08-22
Publication date: 2008-02-27

Abstract

This invention discloses a fridge door sealing component. It includes: projections which protrude from two sides of fridge door inner face; plate shaped main body which is at the outer face of the said projection and matches to the shape of projection outer face; ribs which are on the main body and arranged along the length direction of main body; when fridge door is closed, the ribs protrude towards the inner face of fridge storage chamber corresponding to the projection. The gasket on the fridge door undertakes double stage sealing, which avoids cold air flowing to the contacting part of fridge door and storage chamber anterior edge.

Description

Sealing component for refrigerator door

Technical field

What the present invention relates to is refrigerator, particularly be to be used for the sealing component for refrigerator door that forms on each storeroom of capping refrigerator.

Background technology

Usually, possess refrigerating chamber that freezing preservation food or beverage are arranged and some storerooms such as refrigerating chamber of under low temperature environment, preserving food or beverage on the refrigerator.

The one side of described storeroom forms open surface, and the user can deposit or take out stored food.

Described open surface is generally opened/is closed by the chamber door of this evolution face of capping.

Described door of refrigerator and storeroom generally adopt metal or resin material to make, and according to the material characteristics of described chamber door and storeroom, the place of connecing of described door of refrigerator and storeroom evolution face part can be close to mutually.

Junction surface branch at described chamber door and evolution face produces small gap, perhaps can stick out when engaging, and therefore, the cold air of compartment interior can leak into the outside by the gap that chamber door and open surface bonding part form.

Current refrigerator is to be provided with the rubber-like sealing gasket on the bonding part of chamber door and evolution face, has prevented the gap that forms on chamber door and the open surface bonding part.

Described sealing gasket normally can be close to the elastomeric element of making of elastomeric material on the medial surface of chamber door and the open surface simultaneously, and the sealing gasket thickness that has regulation when being provided with on the medial surface edge of chamber door.

In when door on closing refrigerator storeroom open surface, be arranged on the edge that sealing gasket on the chamber door medial surface edge is close to open surface.

The one side of described sealing gasket is installed on the chamber door medial surface and forms sealing, in the time of the edge join of the another side of sealing gasket and storeroom open surface, forms between chamber door and open surface and seals.

But, in the sealing means of the open surface of above-mentioned prior art sealing gasket and chamber door, the one side of sealing gasket is installed in and forms sealing on the chamber door medial surface, and the another side of sealing gasket is by when closing chamber door and the edge join of open surface, form sealing, on the part of the edge join of sealing gasket and open surface, can produce small gap thus, exist the cold air of compartment interior can be by this clearance leakage to outside problem points.

Though having developed, above-mentioned prior art is used for the auxiliary accessories such as magnet that increase the power that is bonded with each other at sealing gasket and open surface edge, but still exist the aging and elastomeric material sealing gasket of sealing gasket under the effect of chamber door and open surface engaging force, to produce phenomenons such as distortion, cause the defective that engages that open surface can't be complete.

In addition, sealing gasket can be cooled off by the cold air in the storeroom, after engaging with the refrigerator air outside, the sealing gasket that is cooled to cool off airborne moisture, lateral surface at chamber door and baffle plate and sealing gasket forms the globule thus, these globules increase the amount of labour that the user clears up the globule when reducing the refrigerator outward appearance.

Summary of the invention

The objective of the invention is to overcome the deficiency of above-mentioned technology, a kind of sealing component for refrigerator door that the open surface and the chamber door composition surface of refrigerator storeroom are further sealed is provided.

Another object of the present invention is to provide a kind of sealability that improves the bonding part, and the cold air that prevents compartment interior is by the open surface of refrigerator storeroom and the mobile sealing component for refrigerator door in bonding part of chamber door.

Another object of the present invention be to provide a kind of at refrigerator storeroom open surface and the bonding part of chamber door on can not produce the sealing component for refrigerator door of interfering with miscellaneous part.

Another object of the present invention is to provide a kind of seal member to be arranged on the inside of boss, not only prevent the interference between seal member and the miscellaneous part thus, and prevented the sealing component for refrigerator door that foreign matter enters by the gap between seal member and the seal member composition surface.

The technical scheme that solves the problems of the technologies described above is: a kind of sealing component for refrigerator door, comprise: the boss that protrudes with the next door shape at the medial surface two ends of door of refrigerator, engaging on the lateral surface of described boss has and the corresponding tabular main body of boss lateral surface image; Main body is provided with the rib of arranging along on the length direction of main body; Described rib is when chamber door is closed, with platy structure towards protruding with the medial surface direction of boss refrigerator storeroom vis-a-vis.

The invention has the beneficial effects as follows: the present invention utilizes seal member prevents that cold air is provided with on the refrigerator storeroom open surface the chamber door and the junction of storeroom front edge to flow, when utilizing seal member hermetically storing chamber, carry out dual-seal by the sealing gasket that is arranged on the chamber door.

Another effect of the present invention is to utilize the rib of seal member to prevent that cold air from moving to the junction at door of refrigerator and storeroom open surface edge, rib is recessed or inclination towards the direction of storeroom, cold air can change direction after contacting with rib thus, move towards the storeroom direction, not only prevent the outflow of cold air, also prevented the phenomenon that cold air stops in the junction of chamber door and storeroom front edge.

Another effect of the present invention also is to utilize a plurality of ribs that the main body of seal member is protruded to stop cold air to move to the junction of door of refrigerator and storeroom open surface successively, makes that sealing is more thorough.

Another effect of the present invention also is the hiding boss inboard that has been arranged on door of refrigerator of seal member, prevents that not only foreign matter from flowing into by the closing line of seal member and boss, and has avoided miscellaneous part contact closing line, causes seal member to float.

Description of drawings

Fig. 1 is the stereogram that door of refrigerator of the present invention partially opens state;

Fig. 2 is a door of refrigerator sealing gasket of the present invention partial perspective view;

Fig. 3 is a seal member exploded perspective view of the present invention;

Fig. 4 is a seal member of the present invention partial perspective view;

Fig. 5 is the cutaway view of seal member of the present invention.

The explanation of＜main symbol 〉

10-refrigerator 20-baffle plate

30-chamber door 31-basketry

32-boss 33-holddown groove

40-sealing gasket 41-clip

50-seal member 51-main body

52-rib 53-stay hook

The 60-mounting groove

The specific embodiment

Below, be described with reference to the accompanying drawings the embodiment of the invention.

The stereogram of the seal member 50 that the chamber door 30 medial surface edges of expression refrigerator 10 provided by the invention are provided with among Fig. 1; Fig. 2 represents that seal member 50 provided by the invention is close on the boss 32 that forms on the chamber door 30 medial surface edges situation partial perspective view is set; Fig. 3 expresses the exploded perspective view that seal member 50 is set in the recessed mounting groove 60 of the lateral surface of boss 32 provided by the invention; Fig. 4 is a seal member of the present invention partial perspective view; Fig. 5 is the cutaway view of seal member of the present invention.

In order to reach the object of the invention, the invention provides a kind of sealing component for refrigerator door 50, sealing parts 50 are used for capping and to chamber door 30 inside edges of the open surface of storeroom, are used to block cold air and flow to the bonding part of described open surface and chamber door 30.

Sealing component for refrigerator door 50 of the present invention comprises: the boss 32 that protrudes with the next door shape at the medial surface two ends of refrigerator 10 chamber doors 30, and engaging on the lateral surface of described boss 32 has and the corresponding tabular main body 51 of boss 32 lateral surfaces image; Main body 51 is provided with along the rib of arranging on the length direction of main body 51 52; Described rib 52 is when chamber door 30 is closed, with platy structure towards protruding with the medial surface direction of boss 32 refrigerator storeroom vis-a-vis.

Described main body 51 is inserted and is fixed in the mounting groove 60 of boss 32 lateral surfaces, and the concave shape of mounting groove 60 is identical with the shape of main body 51.

The sealing gasket 40 of described main body 51 on being arranged on chamber door 30 medial surface edges inserts the medial surface edge of chamber door 30.

Structure to sealing component for refrigerator door 50 of the present invention illustrates in greater detail below.

Formed several storerooms such as refrigerating chamber or refrigerating chamber on described refrigerator 10, generally the front of several storerooms forms Open architecture, picks and places food thus.In the present embodiment, the front of each storeroom of refrigerator 10 forms open structure.

Each storeroom of described refrigerator 10 can be above/arrange down or about arrange, with fulcrum that each storeroom contacts on possessed the baffle plate 20 of next door shape.In the present invention, each storeroom of refrigerator 10 is that a left side/right is arranged, and is provided with baffle plate 20 in the middle of adjacent storeroom, but also is provided with the seal member 50 of refrigerator 10 usefulness chamber doors 30 of the present invention.

The tabular chamber door 30 that has possessed the open surface that is used for each storeroom front of capping on the refrigerator 10, chamber door 30 utilize hinge to be installed on each storeroom side, and the front openings part of described storeroom is opened/closed to chamber door 30 in rotation process thus.

Be formed with the basketry 31 that is used to preserve container for drink etc. on described chamber door 30 medial surfaces, described basketry 31 has formed the box-like structure of opening above as shown in Figure 1, and on the medial surface of chamber door 30/arrange down be provided with a plurality of.

For described chamber door 30 installed inside be connected basketry 31, on the two ends of chamber door 30 medial surfaces, form boss 32 from chamber door 30 inboard formation protruding upward next door shape structures.

The open surface joint of described chamber door 30 and storeroom has possessed sealing gasket 40, seals with this joint to chamber door 30 and open surface.

Described sealing gasket 40 as shown in Figures 2 and 3, for chamber door 30 medial surface edge join, the shape of sealing gasket 40 and the identical square of chamber door 30 medial surface edge shapes.

The cross section of described sealing gasket 40 is the square of inner hollow, and sealing gasket 40 adopts the rubber-like elastomeric material to make, and is close to medial surface and the front of baffle plate 20 and the front of storeroom of chamber door 30.

Described sealing gasket 40 is inserted in by the clip on it 41 that holddown groove 33 that the medial surface of chamber door 30 forms fixedly installs.

Described holddown groove 33 is distributed on each edge of chamber door 30 medial surfaces, and when boss 32 parts that basketry 31 is set were inserted into the storeroom inboard along with closing of chamber door 30, holddown groove 33 was positioned at the outside of boss 32.

As shown in Figure 4, clip 41 protrudes towards chamber door 30 medial surface directions on the side that sealing gasket 40 and chamber door 30 medial surfaces join, and its cross section forms arrowhead form.

Preferably described clip 41 forms one with sealing gasket 40.

Described seal member 50 comprises: main body 51; Rib 52; Fixed part 53 constitutes.

Described main body 51 has formed platy structure on chamber door 30 medial surfaces of being close to chamber door 30 and storeroom open surface edge join part.In the present embodiment, in order to be close to boss 32 lateral surfaces that protrude at chamber door 30 medial surface two ends, main body 51 forms the platy structure that similarly extends to a certain direction with the lateral surface image of boss 32.

Because described boss 32 protrudes at chamber door 30 medial surface two ends, and on chamber door 30/lower end ends, main body 51 is in order to engage with the lateral surface of the boss 32 that forms on the medial surface two ends of chamber door 30, and Ying Chengshuan is provided with.

Described main body 51 is close on the lateral surface of boss 32 down at the fixing of stay hook 53.For rib 52 is installed, should adopt the resin of hard.

Described rib 52, forms platy structure and protrudes laterally being close on main body 51 lateral surfaces of boss 32 lateral surfaces to shown in Figure 5 as Fig. 1.

When chamber door 30 capping storeroom fronts, described rib 52 moves to the front joint of chamber door 30 medial surfaces and baffle plate 20 in order to block cold air, towards protruding towards relative storeroom internal face with boss 32, promptly the interior side direction towards baffle plate 20 protrudes at the lateral surface of main body 51.

Described rib 52 flows to the position that engages previously of chamber door 30 medial surfaces and baffle plate 20 at blocking-up cold air, and its central portion is recessed to the direction of storeroom, thus the cold air moving direction is changed to the direction towards storeroom.

Described rib 52 is being vertical direction extension with main body 51, its central part is recessed towards the direction of storeroom, perhaps can on main body 51, the direction towards storeroom be formed slopely predetermined angular, thereby the moving direction that will move to the cold air of the medial surface of chamber door 30 and baffle plate 20 front joints changes to towards described compartment interior and moves.

Described rib 52 protrudes on the main body 51 of the boss 32 that is engaged in chamber door 30, and be protruding on the baffle plate 20 that engages with chamber door 30, produce noise and friction when preferably joining, when baffle plate 20 directions extend to form, keep the spacing of regulation at rib 52 with baffle plate 20 for the head end portion that prevents rib 52 and baffle plate 20.

Described rib 52 can protrude on a plurality of points in main body 51 when baffle plate 20 directions are extended on a bit in certain of main body 51, forms a plurality of ribs 52.Move to the medial surface and the bonding part, baffle plate 20 front of described chamber door 30 in order to block cold air, the row of preferably hesitating on the moving direction of cold air are provided with a plurality of ribs 52.

As Fig. 1 and shown in Figure 5, in the present embodiment, described rib 52 has formed two ribs 52 of the prescribed distance of being separated by towards the direction of fixed part 53 at the afterbody of main body 51.

Described rib 52 should form one with main body 51, and produces heterogeneous sense for fear of the user, should adopt soft resin.

Described fixed part 53 is at the end of main body 51, promptly at the medial surface direction end of chamber door 30, for insertion is arranged in the holddown groove 33 that the sealing gasket 40 on the chamber door 30 medial surface edges is recessed into, its cross section is identical with the internal image of holddown groove 33, forms semicircular structure.

Described afterbody should adopt soft resin material, conveniently exerts pressure thus, and main body 51 is close on the lateral surface of boss 32.

Be formed with mounting groove 60 on the lateral surface of the boss 32 that engages with described seal member 50.

Described mounting groove 60 is that its shape is with identical with seal member 50 shapes or big slightly in the recessed to the inside formation of the lateral surface of the boss 32 that engages with the main body 51 of seal member 50.

Described mounting groove 60 is so that structure is towards the length direction of refrigerator recessed the time similarly with the image of main body 51, and the thickness of the recessed degree of depth and main body 51 is identical or greater than the thickness of main body 51.

As shown in Figure 5, described mounting groove 60 is because the end and the stay hook 53 of main body 51 are directly connected in holddown groove 33 medial surfaces at the lateral surface of boss 32, so chamber door 30 medial surfaces of the holddown groove side end of mounting groove 60 should be connected with mounting groove 60.

Below, the assembling process and the effect of refrigerator 10 usefulness chamber doors 30 seal members 50 provided by the invention described.

On the chamber door 30 medial surface edges of refrigerator 10 sealing gasket 40 and seal member 50 are set.

At first, the medial surface edge that the seal member 50 terminal stay hooks with semi-circular cross-section 53 of going up formation are inserted into chamber door 30 is recessed on holddown groove 33 inside that form, so that stay hook 53 is close to the inner face that is fixed in holddown groove 33.

Described stay hook 53 is close to when being fixed in holddown groove 33 inner faces, is close on boss 32 lateral surfaces that form on the chamber door 30 medial surface edges with the main body 51 that stay hook 53 forms the seal member 50 of one.

At this moment, main body 51 is inserted in mounting groove 60 inside of the lateral surface of boss 32.

The shape of described mounting groove 60 is identical or big slightly with main body 51, and the inside that is hidden in mounting groove 60 that main body 51 can be complete can not protrude into the outside thus.Because the degree of depth of mounting groove 60 is equal to, or greater than the thickness of main body 51, therefore prevented that main body 51 lateral surfaces that are inserted in mounting groove 60 inside from protruding into mounting groove 60 outsides.

And, insert in the inside of holddown groove 33 under the state of stay hook 53, in holddown groove 33, inserted the clip 41 of sealing gasket 40, make the medial surface edge join of sealing gasket 40 and chamber door 30.

When described main body 51 was inserted in mounting groove that boss 32 is recessed on 60, the rib 52 that protrudes on main body 51 was closed the back towards chamber door 30 and is arranged with baffle plate 20 directions that chamber door 30 joins.

In the time of in the mounting groove 60 of described main body 51 insertion boss 32, the afterbody that forms on the head end of main body 51 engages with the mounting groove 60 of boss 32.

At this moment, because afterbody is in the direction bending towards boss 32 of the head end of main body 51, when main body 51 engaged with the mounting groove 60 of boss 32, the sweep of afterbody was pressed in the mounting groove 60 of boss 32 under the effect of main body 51 engaging forces.

Described seal member 50 is arranged under the state at medial surface edge of chamber door 30, and chamber door 30 is closed, and refrigerator 10 starts, and cold air has been filled in the inside of storeroom, and the part in the compartment interior cold air moves to the bonding part of chamber door 30 and storeroom.

The cold air of bonding part that moves to chamber door 30 and storeroom front is in chamber door 30 inside edges, promptly by on a left side/right side that is separately positioned on chamber door 30 and the last/following two ends or the effect that forms the seal member 50 that is wholely set move down and be prevented from.In the present embodiment, the cold air that moves to the bonding part of end of chamber door 30 and baffle plate 20 of seal member 50 blocking-up that form with the opposite side of the hinge of refrigerator 10 chamber doors 30 is that example describes.

To move at the cold air that compartment interior moves to the junction of the medial surface of chamber door 30 and baffle plate 20 in the side medial surface space of boss 32 that the opposite side of the hinge of chamber door 30 medial surfaces forms and baffle plate 20.

The cold air that moves towards a side of the lateral surface of boss 32 and baffle plate 20 is arranged under the effect of the rib 52 between boss 32 and the baffle plate 20 at protrusion, and it moves and is prevented from.

Along with rib 52 is recessed towards the direction of storeroom, the cold air that contacts with rib 52 has changed moving direction at the recess of rib 52, direction towards storeroom moves, having been blocked the cold air that moves by rib 52 thus stops and produces turbulent flow or by the cold air flow that stops the rear, prevented that cold air from moving to the junction in the bonding part.

Described rib 52 in the main body 51 of seal member 50 after the direction of storeroom has tilted predetermined angular, its moving direction conversion was 180 ° when cold air contacted with rib 52, prevented the space of cold air between chamber door 30 and baffle plate 20 thus, and the cold air of changing direction moves towards storeroom, thereby other cold air of prevention back is mobile.

The cold air that moves to the interior volume between chamber door 30 and the baffle plate 20 at storeroom may flow between main body 51 head ends and boss 32 of seal member 50, but, therefore prevented that cold air from contacting and flowing into mounting groove 60 inside with the lateral surface of boss 32 because main body 51 head ends are inserted in mounting groove 60 inside that form on the boss 32.

When foreign matters such as boss 32 contacting foodstuffs, foreign matter contacts and moves along lateral surface with the lateral surface of boss 32, and the foreign matter that moves along the lateral surface of boss 32 can contact with the lateral surface of main body 51 in being inserted in boss 32 mounting grooves 60 or with the lateral surface of boss 32 or fall down.

That is,, prevented that foreign matter from flowing between main body 51 and the boss 32 owing to prevented that the closing line between main body 51 outer surfaces and boss 32 lateral surfaces is exposed to the outside.

Described rib 52 is provided with a plurality of, and arrangement forms on the cold air moving direction, therefore between chamber door 30 and the baffle plate 20 cold air move at first head end by main body 51, the rib 52 that promptly closes on afterbody stops, and the cold airflow that is not stoped by near the rib afterbody 52 is gone into being stoped by main body 51 ends between chamber door 30 and the baffle plate 20, and promptly the rib 52 by near the protrusion fixed part 53 stops.

Described rib 52 protrudes the spacing that forms regulation with a side of baffle plate 20, has prevented from thus to produce noise or damaged phenomenon owing to the head end and baffle plate 20 frictions of rib 52.

Sealing component for refrigerator door of the present invention has stoped the cold air of refrigerator 10 compartment interior to flow to the chamber door 30 of capping storeroom front openings part and the bonding part of storeroom front edge portion that engages with the medial surface of chamber door 30 or baffle plate 20, prevent that cold air from flowing out to the outside by the slit of chamber door 30 and bonding part, storeroom front, and prevented cold air by chamber door 30 and be arranged on the sealing gasket 40 of bonding part, storeroom front and the storeroom front edge between the small slit that forms flow out to the outside.

Because the main body 51 of seal member 50 is inserted mounting groove 60 inside that have been fixed on boss 32 are set, prevent that also foreign from passing through the closing line of main body 51 and boss 32 and flowing into.

Scope of the present invention is not limited to the content of mentioning in an embodiment, and within the scope of the invention, technical staff of the same trade can propose other embodiment, his change of Xingqi of going forward side by side, but these changes all belong to scope of the present invention.

Claims

1. sealing component for refrigerator door, comprise: the boss (32) that protrudes with the next door shape at the medial surface two ends of refrigerator (10) chamber door (30), it is characterized in that engaging has and the corresponding tabular main body (51) of boss (32) lateral surface image on the lateral surface of described boss (32); Main body (51) is provided with along the rib of arranging on the length direction of main body (51) (52); Described rib (52) is when chamber door (30) when closing, with platy structure towards protruding with the medial surface direction of boss (32) refrigerator storeroom vis-a-vis.

2. according to the sealing component for refrigerator door described in the claim 1, it is characterized in that described main body (51) is inserted and is fixed in the mounting groove (60) of boss (32) lateral surface, the concave shape of mounting groove (60) is identical with the shape of main body (51).

3. according to the sealing component for refrigerator door described in claim 1 or 2, it is characterized in that the sealing gasket (40) of described main body (51) on being arranged on chamber door (30) medial surface edge inserts the medial surface edge of chamber door (30).