CN1435554A - Buffering structure for door of case type refrigerator - Google Patents
Buffering structure for door of case type refrigerator Download PDFInfo
- Publication number
- CN1435554A CN1435554A CN 02100636 CN02100636A CN1435554A CN 1435554 A CN1435554 A CN 1435554A CN 02100636 CN02100636 CN 02100636 CN 02100636 A CN02100636 A CN 02100636A CN 1435554 A CN1435554 A CN 1435554A
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- China
- Prior art keywords
- door
- refrigerator
- hinge
- knuckle joint
- case type
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Abstract
A buffer structure for the door of case-type refrigerator is composed of a hinge assembly consisting of hinge axle, main hinge and door hinge, buffering spring, and sleeve tube supporting the lower end of said spring and having a friction slot. Its advantages are low impact to door, gentle opening or closing, and high reliability.
Description
Technical field
The present invention relates to a kind of buffer structure of refrigerator doors, particularly relate to a kind of at the buffer structure that opens and closes the softer door of case type refrigerator of the on-off action that can make door when refrigerator doors is arranged on case type refrigerator above the refrigerator body.
Background technology
Fig. 1 is the top stereogram of prior art case type refrigerator.As shown in Figure 1, the top of case type refrigerator body 4 is provided with refrigerator doors 2.Refrigerator doors 2 is to be supported by the hinge assembly 6 that refrigerator is provided with later, and can open and close the refrigerator body 4 with storage space.
Fig. 2 is the hinge assembly stereogram of prior art case type refrigerator.Fig. 3 is the hinge assembly decomposition view of prior art case type refrigerator.As Fig. 2, shown in Figure 3, hinge assembly 6 comprises door hinge 10 that is fixed on refrigerator doors 2 back and the body hinge 30 that is fixed on refrigerator body 4 back.Door hinge 10 and body hinge 30 interconnect by hinge axis 16 and can support mutual rotation mutually.Door hinge 10 bottoms are provided with back shaft 18 in horizontal direction, and the bottom of back shaft 18 is provided with the knuckle joint 20 of vertical direction.The center fixed of knuckle joint 20 has packing ring 22.Packing ring 22 bottoms are inserted with spring 24.The bottom of spring 24 is supported by sleeve pipe 26, and sleeve pipe 26 then is positioned on the support 28 and by support 28 and supports, and spring 24 has certain length.In addition, support 28 is fixed on the body hinge 30.When refrigerator doors 2 was unlocked, door hinge 10 was that upwards rotate at the center with hinge axis 16.This moment, spring 24 was owing to the elasticity of self is elongated.And when user's closing refrigerator door 2, door hinge 10 is along rotating around hinge axis 16 in the other direction, and at this moment, spring 24 can slowly be closed door 2 in the process of being compressed, so it has the cushioning effect that can reduce the body impact.But there is following problem in the buffer structure of this door of case type refrigerator, promptly when refrigerator doors 2 is opened, it can not surpass certain angle, and when shutter door, having only the rotation of the elastic force of spring 24 and refrigerator doors 2 to be in just can not cause on the mutual equilibrium state point because of opening refrigerator doors 2 rapidly refrigerator body 4 being impacted, but all can surpass that point that forms equilibrium state when opening refrigerator doors 2 in the ordinary course of things, so in fact refrigerator body 4 has the shortcoming that is subjected to opening the impact of door backward and is wriggled.And Yin Men is unlocked rapidly, because the elastic force of spring may cause a tilted rearward, so in fact the hinge assembly is also had damage.Therefore can have a negative impact to reliability of products on the whole.
Summary of the invention
In order to address the above problem, the object of the invention is to provide a kind of buffer structure that can maximumly reduce the door of case type refrigerator of refrigerator body impact when refrigerator doors opens and closes.
In order to achieve the above object, the buffer structure of door of case type refrigerator of the present invention comprises the body with storage space; Be located at the refrigerator doors above the body in order to open and close body; Be arranged on the back of door and be the door hinge that rotate together with refrigerator doors at the center with the hinge axis; Combine with door hinge and be arranged at the body hinge of body back; For being combined closely with the back shaft of door hinge, its upper end upwards carries out the elasticity support and the one side has along the knuckle joint of the raised line of its length direction; And can insert knuckle joint and be positioned at sleeve pipe and can produce the frictional groove of friction with raised line.
The end face of described knuckle joint and frictional groove is a quadrangle; Raised line protrudes from a side of knuckle joint.
Described raised line can protrude from the two sides of knuckle joint.
The impact minimum that the buffer structure of door of case type refrigerator provided by the invention not only can make refrigerator doors that body is applied, and can mildly open and close refrigerator doors, therefore improved reliability of products.
Description of drawings
Be elaborated below in conjunction with the buffer structure of the drawings and specific embodiments to door of case type refrigerator of the present invention.
Fig. 1 is the top stereogram of prior art case type refrigerator.
Fig. 2 is the hinge assembly stereogram of prior art case type refrigerator.
Fig. 3 is the hinge assembly decomposition view of prior art case type refrigerator.
Fig. 4 is the buffer structure lateral view of door of case type refrigerator of the present invention under the state of closing the door.
Fig. 5 is the buffer structure lateral view of door of case type refrigerator of the present invention under door opening state.
Fig. 6 is the buffer structure bottom stereogram of door of case type refrigerator of the present invention.
The specific embodiment
As Fig. 4, shown in Figure 5, on body 54, be provided with refrigerator doors 52 in order to open and close refrigerator body 54.It is center and the door hinge 60 that rotates with refrigerator doors 52 that the back of refrigerator doors 52 is provided with hinge axis 66.The back of body 54 is provided with the body hinge 80 that is made of hinge axis 66 and door hinge 60.The bottom of door hinge 60 is provided with the back shaft 68 arranged side by side with hinge axis 66, and, the bottom of back shaft 68 is connected with knuckle joint 70, promptly has back shaft 68 on the upper end groove of knuckle joint 70, and is that elastic force by spring 74 applies to the upwards holding power of knuckle joint 70.Knuckle joint 70 1 sides have the rectangle raised line 83 of protrusion.Knuckle joint is fixed with packing ring 72 on 70 middle parts.The upper end close proximity of packing ring 72 and spring 74, thereby play the effect on fixing spring 74 tops.The spring of installing on the knuckle joint 70 74 can stretch with the switching of refrigerator doors 52 and compress, and provides revolving force by elastic force for refrigerator doors 52.The bottom of spring 74 is supported by sleeve pipe 76.The external surface of sleeve pipe 76 is cylindrical, and its inside has frictional groove 77, and sleeve pipe has support 78 76 times.Knuckle joint 70 with raised line 83 is inserted in the frictional groove 77 and moves back and forth.At this moment, the thickness sum of the thickness of knuckle joint 70 and raised line 83 is to make it can engaging friction groove 77 and can move up and down in frictional groove 77 and decide for precondition under situation about considering with frictional groove 77 relations.Therefore, when knuckle joint 70 moved up and down, the inner surface of itself and sleeve pipe 76 can produce friction.And support 78 has the effect of support and fixing spring 74 bottoms.Therefore, the top of knuckle joint 70 is subjected to the support of back shaft 68, and its underpart is supported by sleeve pipe 76 by spring 74.And, can support the support 78 of sleeve pipe 76 be arranged at sleeve pipe 76 below.Support 78 and sleeve pipe 76 are in contact with one another, and support 78 then is fixed on the body hinge 80.
As shown in Figure 4, when refrigerator doors 52 is in closed condition, spring 74 is in compressive state, this moment, the top of knuckle joint 70 tilted to the refrigerator body rear, and, because back shaft 68 is positioned at its left side with respect to hinge axis 66, so, utilize the elastic force of spring 74 just can make refrigerator doors 52 be in closed condition.As shown in Figure 5, if the user wants to open refrigerator doors 52, refrigerator doors 52 and door hinge 60 will be that rotate together in the counterclockwise direction at the center with hinge axis 66.At this moment the back shaft 68 that is fixed on the door hinge 60 can move to the upper right side under the guiding of guiding groove 69.And knuckle joint 70 is owing to the elastic force effect that is subjected to spring 74 also can be to upper right side deflection.The elastic force that is spring 74 is to be that application point sends refrigerator doors 52 to by knuckle joint 70 and becomes the revolving force of refrigerator doors 52 with sleeve pipe 76.And when refrigerator doors 52 was opened to certain angle, the revolving force of refrigerator doors 52 and the gravity that acts on refrigerator doors 52 kept balance, therefore stop to open in this moment, and after waiting to surpass this and stopping moment, refrigerator doors 52 will be opened rapidly, and apply impact to body 54.
But, according to the friction buffer function of knuckle joint 70 of the present invention and frictional groove 77, can make impact minimum, thereby can make softer easier the carrying out of breakdown action of refrigerator doors 52 body 54 in the moment of refrigerator doors 52 complete openings.Promptly when knuckle joint 70 is moved upward, as shown in Figure 6, one side of frictional groove 77 inwalls contacts with raised line 83, its relative side then contacts with knuckle joint 70, a side of raised line 83 and knuckle joint 70 can be respectively produces friction with two inwalls of frictional groove 77 like this, and this friction moves upward to knuckle joint 70 in fact and plays certain cushioning effect.Therefore, when refrigerator doors 52 is opened, be subjected to raised line 83 and knuckle joint 70 sides and frictional groove 77 mutual friction and the cushioning effect of the frictional force that produces mutually, refrigerator doors 52 is slowly opened, and can make owing to the rotation of refrigerator doors 52 the impact minimum of body 54 in the moment of refrigerator doors 52 complete openings.In addition, 83 parts that occupy knuckle joint 70 of raised line, therefore, even under the thickness of raised line 83 and knuckle joint 70 situation identical with the width of frictional groove 77, it also can move up and down in frictional groove 77.And, be more prone in order to make knuckle joint 70 insert frictional groove 77 with raised line 83, the bottom of raised line 83 can be made the same shape of pin.Refrigerator doors 52 by the complete opening state under, the elastic force of spring 74 can keep balance with the gravity that acts on refrigerator doors 52, at this moment, the refrigerator doors 52 of complete opening remains static.If this moment, the user applied the words of external force closing refrigerator door 52, refrigerator doors 52 can be rotated together along clockwise direction with door hinge 60, and back shaft 68 be subjected to the guiding of guiding groove 69 and left the below move, knuckle joint 70 is owing to be subjected to the also below deflection left of influence of back shaft 68 interlocks, and this moment, spring 74 was compressed.Refrigerator doors 52 is slowly closed, and so just can not apply impact force to body 54, thereby can play cushioning effect.
Claims (3)
1, a kind of buffer structure of door of case type refrigerator is characterized in that: the buffer structure of described door of case type refrigerator comprises the body (54) with storage space; Be located at the refrigerator doors (52) above it in order to open and close body (54); Be arranged on the back of door (52) and be the door hinge (60) that the same refrigerator doors in center (52) is rotated together with hinge axis (66); Combine with door hinge (60) and be arranged at the body hinge (80) of body (54) back; Upwards to carry out elasticity support and one side in order being combined closely with the back shaft (68) of door hinge (60) in its upper end and to have the knuckle joint (70) of raised line (83) along its length direction; And can insert knuckle joint (70) and be positioned at sleeve pipe (76) and can produce the frictional groove (77) of friction with raised line (83).
2, the buffer structure of door of case type refrigerator according to claim 1 is characterized in that: the end face of described knuckle joint (70) and frictional groove (77) is a quadrangle; Raised line (83) protrudes from a side of knuckle joint (70).
3, according to the buffer structure of each described door of case type refrigerator in claim 1 or 2, it is characterized in that: described raised line (83) can protrude from the two sides of knuckle joint (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02100636 CN1435554A (en) | 2002-01-29 | 2002-01-29 | Buffering structure for door of case type refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02100636 CN1435554A (en) | 2002-01-29 | 2002-01-29 | Buffering structure for door of case type refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1435554A true CN1435554A (en) | 2003-08-13 |
Family
ID=27627192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02100636 Pending CN1435554A (en) | 2002-01-29 | 2002-01-29 | Buffering structure for door of case type refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1435554A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153529B (en) * | 2006-09-30 | 2012-02-29 | 海尔集团公司 | Hinge mechanism of refrigerator door |
| WO2013170466A1 (en) * | 2012-05-17 | 2013-11-21 | Xiao Yousong | Hinge used for horizontal, upward opening door |
| CN106121412A (en) * | 2016-08-22 | 2016-11-16 | 澳柯玛股份有限公司 | Refrigerator balance hinge structure and top-opening type refrigerator |
-
2002
- 2002-01-29 CN CN 02100636 patent/CN1435554A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153529B (en) * | 2006-09-30 | 2012-02-29 | 海尔集团公司 | Hinge mechanism of refrigerator door |
| WO2013170466A1 (en) * | 2012-05-17 | 2013-11-21 | Xiao Yousong | Hinge used for horizontal, upward opening door |
| CN104302857A (en) * | 2012-05-17 | 2015-01-21 | 肖又松 | Hinge used for horizontal, upward opening door |
| CN104302857B (en) * | 2012-05-17 | 2016-04-13 | 深圳市金合联投资有限公司 | Level to upwardly open with hinge |
| CN106121412A (en) * | 2016-08-22 | 2016-11-16 | 澳柯玛股份有限公司 | Refrigerator balance hinge structure and top-opening type refrigerator |
| CN106121412B (en) * | 2016-08-22 | 2019-02-01 | 澳柯玛股份有限公司 | Refrigerator balance hinge structure and top-opening type refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |