CN101280663B

CN101280663B - Fixed device of door gasket and refrigerator using the same

Info

Publication number: CN101280663B
Application number: CN 200710021323
Authority: CN
Inventors: 何诗龙; 王�琦; 汪铁牛; 曹宇
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd
Priority date: 2007-04-06
Filing date: 2007-04-06
Publication date: 2013-01-09
Anticipated expiration: 2027-04-06
Also published as: CN101280663A

Abstract

Disclosed is a fixing device for a door pad, which comprises a groove formed at the circumference of the inner lateral surface of the door to accommodate the meshing part of the door pad. The groove comprises a first side and a second side which are spaced mutually; wherein, a first bump extending continuously lengthwise along the groove is formed at the first side and the second side is provided with a second bump which is divided into a plurality of protruding sections at intervals lengthwise along the groove and a spaced section is formed between two adjacent protruding sections.

Description

The fixture of door gasket and the refrigerator that uses this device

Technical field

The present invention relates to a kind of fixture of door gasket, especially about a kind of fixture of the door gasket for household electrical appliance such as refrigerator.

Background technology

Household electrical appliance, especially household electric refrigerator generally include the casing with inner refrigerating space and the door that seals this refrigerating space.In order to prevent that the cold air in this refrigerating space from revealing, around the inner surface of door, a circle door gasket is set, this door gasket is made by the plastic material of softness, usually embeds flat thin magnet in plastic material; When door seal was closed, door gasket was clipped between the metal framework of door and casing, by the absorption affinity between flat thin magnet and the metal framework, thus the gap between closing door and the framework.

US Patent No. 6526698B2 has disclosed and existing door gasket has been fixed to fixture on the door, shown in Fig. 1 (being US6526698B2Fig1), in the inboard of door groove 20 is set, form respectively

protuberance

21a, 21b on the two side of this groove 20, thereby the engaging piece 16 of door gasket 10 is inserted in the groove 20 and the 16a of anchor section of engaging piece 16 both sides matches with

protuberance

21a, 21b door gasket 10 is fixedly remained in the groove 16.The advantage of this design is very securely door gasket 10 to be remained in the groove 16.Its shortcoming is: owing to all form

continuous protuberance

21a, 21b on two sides of groove 16, the width of the porch of groove 16 is very little, cause engaging piece 10 to be difficult to be inserted in the groove 16, when large-scale production, be unfavorable for very much workman's assembling, take time and effort.

Fig. 2 (being US6526698B2Fig3) has disclosed and another kind of door gasket has been fixed to fixture on the door, its with Fig. 1 in the difference that designs be dual-side formation some staggered protuberance 34a, 34b at groove 32.The advantage of this design is: because protuberance 34a, 34b be staggered in groove 32, the protuberance on side is corresponding is recess between two protuberances on another side, has increased the width of groove 32 opening parts, is convenient to assembling.Its shortcoming is: need to process respectively staggered protuberance on the dual-side of groove 32, make the structure of groove become very complicated, be unfavorable for the manufacturing moulding of door.

Summary of the invention

The object of the present invention is to provide a kind of assembling of both being convenient to door gasket, be convenient to again the fixture that door causes the door gasket of type simultaneously.

For achieving the above object, the fixture of the door gasket of one embodiment of the present invention comprises on the peripheral part of medial surface that is formed at door and is used for the groove of the engaging piece of receptacle door liner; This groove comprises first side and the second side of space; Wherein form on the first side along uninterrupted the first protuberance that extends of the longitudinally of groove, the second protuberance is set on the second side; The second protuberance is divided into the nose section of some spaces along the longitudinally of groove, forms spacer between two adjacent nose sections.

As a further improvement on the present invention, described the first protuberance and the second protuberance are arranged at the porch of groove; Described engaging piece has the anchor section that is resisted against on described the first protuberance and the second protuberance, by this anchor section and the first protuberance and cooperatively interacting of the second protuberance door gasket is fixedly remained in the groove.

As a further improvement on the present invention, the length of the nose section of described the second protuberance is identical with the length of affiliated spacer.

The fixture of the door gasket of another embodiment of the invention comprises on the peripheral part of medial surface that is formed at door and is used for accommodating the groove of the engaging piece of liner, this groove comprises first side and the second side of space, wherein the first side is that described straight wall is a vertical plane along the depth direction of groove along the uninterrupted vertical wall that extends of the longitudinally of groove; Form protuberance on the second side, this ledge is slit into some nose sections, forms spacer between two adjacent nose sections, and these nose sections and spacer are along vis-a-vis this vertical wall setting of longitudinally of groove.

As a further improvement on the present invention, described protuberance is arranged at the porch of groove; Described engaging piece has the anchor section that is resisted against on described the first protuberance and the second protuberance, by this anchor section and the first protuberance and cooperatively interacting of the second protuberance door gasket is fixedly remained in the groove.

A kind of household electrical appliance that the present invention is corresponding, particularly a kind of refrigerator, it comprises the door body that a side has the casing of opening and seals this opening; This casing has metal framework, has the magnet strip that can be adsorbed onto on this metal framework in the door gasket; At this body the fixture of door gasket is set, the fixture of this door gasket comprises on the peripheral part of the medial surface that is formed at door and is used for the groove of the engaging piece of receptacle door liner; This groove comprises first side and the second side of space; Wherein form on the first side along uninterrupted the first protuberance that extends of the longitudinally of groove, the second protuberance is set on the second side; The second protuberance is divided into the nose section of some spaces along the longitudinally of groove, forms spacer between two adjacent nose sections.

Beneficial effect of the present invention is: the spaced protuberance of groove one side tool of the fixture of door gasket of the present invention, engaging piece that not only can the fixed gate liner but also the insertion of engaging piece when being convenient to assemble; And another side of groove is uninterrupted straight portion of extending, thereby the shape of the groove of simplifying is convenient to the manufacturing moulding of a body.

Description of drawings

Fig. 1 is a kind of schematic diagram of fixture of existing door gasket;

Fig. 2 is the schematic diagram of the fixture of another kind of existing door gasket;

Fig. 3 is the schematic diagram of groove of fixture of the door gasket of one embodiment of the present invention;

Fig. 4 is that door gasket inserts behind the groove of Fig. 3 the generalized section along direction A-A;

Fig. 5 is that door gasket inserts behind the groove of Fig. 3 the generalized section along direction B-B;

Fig. 6 is the schematic diagram of groove of fixture of the door gasket of another embodiment of the invention;

Fig. 7 is that door gasket inserts behind the groove of Fig. 6 the generalized section along direction A '-A ';

Fig. 8 is the schematic diagram of the third embodiment of the present invention.

The specific embodiment

Be described in further detail below in conjunction with the fixture of accompanying drawing to door gasket of the present invention.

Fig. 3 has disclosed the groove 2 of fixture of the door gasket of one embodiment of the present invention, and this groove comprises first side 3 and second side 4.See over from the top perpendicular to the bearing of trend of groove, can see that first side 3 is continuous flat side of extending of length direction of extension groove, can see in conjunction with Fig. 4 and Fig. 5 again, 3 top forms the first protuberance 3a near the porch of groove 2 in the first side, and this first protuberance 3a also is that the length direction along groove extends (as shown in phantom in Figure 3) continuously.Second side 4 forms the second protuberance along the length direction of groove, and this second protuberance comprises spaced nose section 4a, forms spacer 4b, the same length of nose section 4a and spacer 4b between two adjacent protuberance 4a.Clearly, spacer 4b is greater than nose section 4a apart from the distance of first side 3 apart from the distance of first side 3.

With reference to figure 4, the both sides of engaging piece 9 form respectively the 10a of anchor section, 10b, when door gasket 8 inserts groove 2, the 10a of anchor section, 10b will be subject to respectively the obstruction of the first protuberance 3a and nose section 4a in the porch of groove 2, because door gasket 8 is generally made by the plastic material of softness, extruding enters in the groove 2 thereby the 10a of anchor section, 10b deform in the porch of groove 2.With reference to figure 5, when door gasket 8 inserted groove 2, only the 10b of anchor section was subject to the obstruction of the first protuberance 3a in the porch of groove 2, and extruding enters in the groove 2 thereby the 10b of anchor section deforms in the porch of groove 2.As seen, owing to have the position of half not have nose section 4b that the 10b of anchor section is stopped on the second side 4, required extruding force was less than the prior art among Fig. 1 when door gasket 8 inserted.After door gasket 8 inserted in the groove 2, its engaging piece 9 was housed in the groove 2, and the 10a of anchor section depends on first side 3, and wherein the 10b of anchor section depends on second side 4.

With reference to figure 6 and Fig. 7, the groove 2 of the fixture of the door gasket of another embodiment of the invention is with the change part of the embodiment of Fig. 3 to Fig. 5 relatively: first side 3 ' is that this vertical wall is a vertical plane along the depth direction of groove along the vertical wall 3 ' a of the uninterrupted extension of longitudinally of groove.When door gasket 8 inserted groove 2, only the 10a of anchor section of engaging piece 8 was subject to the obstruction of the nose section 4a on the second side in the porch of groove 2, does not form any ledge on the first side.The insertion of door gasket 8 is convenient in this design more, but groove is less than the embodiment of Fig. 3 to Fig. 5 to the confining force of engaging piece 8, and door gasket 8 is extracted from groove 2 than being easier to.

With reference to figure 8, the fixture of the door gasket of the third embodiment of the present invention relatively is with the change part of the embodiment of Fig. 6 to Fig. 7, the part that door gasket 8 matches with vertical wall 3 ' a is arranged to a vertical plane 11.。After door gasket 8 inserted in the groove 2, perpendicular 11 tightly fit together with vertical wall 3 ' a, relies on frictional force to each other that door gasket 8 is remained in the groove 2.

Particularly on the peripheral part of the medial surface on the door body of household electric refrigerator or refrigerator-freezer, household electrical appliance generally include the casing with inner accepting space to the fixture operated by rotary motion of door gasket of the present invention at household electrical appliance, and casing has metal framework; Embed magnet strip in the door gasket 8; When door was in closed state, door gasket was clipped between the metal framework of door and casing, by the absorption affinity between flat thin magnet and the metal framework, thus the gap between closing door and the framework.

Claims

1. the fixture of a door gasket, it comprises on the peripheral part of the medial surface that is formed at door and is used for the groove (2) of the engaging piece of receptacle door liner that this groove comprises the first side (3) and second side (4) of space; Wherein form on the first side along uninterrupted the first protuberance (3a) that extends of the longitudinally of groove, the second protuberance is set on the second side, it is characterized in that, described first side (3) is along the continuous flat side of extending of the length direction of groove, porch at the close described groove (2) in the top of described first side (3) forms described the first protuberance (3a), described the first protuberance (3a) extends continuously along the length direction of described groove, the second protuberance is divided into the nose section (4a) of some spaces along the longitudinally of groove, form spacer (4b) between two adjacent nose sections, the width between the width between described the first protuberance (3a) and the described nose section (4a) and described the first protuberance (3a) and the described spacer (4b) is unequal.

2. the fixture of door gasket as claimed in claim 1 is characterized in that, described engaging piece has the anchor section (10a, 10b) that is resisted against on described the first protuberance and the second protuberance.

3. the fixture of door gasket as claimed in claim 2 is characterized in that, the length of described nose section is identical with the length of described spacer.

4. the fixture of a door gasket, it comprises on the peripheral part of medial surface that is formed at door and is used for accommodating the groove (2) of the engaging piece of liner, this groove comprises the first side (3 ') and second side (4) of space, wherein on the second side protuberance is set; It is characterized in that, this first side is that (3 ' a) along the uninterrupted vertical wall that extends of the longitudinally of groove, described vertical wall is a vertical plane along the depth direction of groove, and described engaging piece has the perpendicular of fitting with described vertical wall; Ledge on the second side is slit into some nose sections (4a), form spacer (4b) between two adjacent nose sections, these nose sections and spacer is along vis-a-vis this vertical wall setting of longitudinally of groove, described vertical wall (3 ' a) and the width between the described nose section (4a) and described vertical wall (3 ' a) and the width between the described spacer (4b) unequal.

5. household electrical appliance, it comprises the door body that a side has the casing of opening and seals this opening, it is characterized in that, arranges as the fixture of the door gasket of one of above any claim at this body.

6. household electrical appliance as claimed in claim 5, this casing has metal framework, has the magnet strip that can be adsorbed onto on this metal framework in the door gasket.

7. household electrical appliance as claimed in claim 5 is characterized in that, described household electrical appliance are refrigerator.