CN104358485B - Elastic hinge and refrigerator - Google Patents
Elastic hinge and refrigerator Download PDFInfo
- Publication number
- CN104358485B CN104358485B CN201410676741.1A CN201410676741A CN104358485B CN 104358485 B CN104358485 B CN 104358485B CN 201410676741 A CN201410676741 A CN 201410676741A CN 104358485 B CN104358485 B CN 104358485B
- Authority
- CN
- China
- Prior art keywords
- guide rod
- spring
- housing
- axle sleeve
- radius
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/02—Hinges with pins with one pin
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
Abstract
The invention discloses a kind of elastic hinge, including the first housing, second housing, guide rod structure and spring, first housing is connected with the second housing into rotation by the first rotating shaft, first housing is provided with limiting platform away from one end of the second housing, guide rod structure is POM part, guide rod structure includes guide rod and axle sleeve, axle sleeve is shaped in one end of guide rod, guide rod runs through spring and the first through hole being located on limiting platform away from one end of axle sleeve, spring is made to be located between limiting platform and axle sleeve, it is provided with limit shaft between first rotating shaft and limiting platform, limit shaft is communicated in arcuate socket and the axis hole of the second housing of the first housing.The invention also discloses a kind of refrigerator.The present invention easily produces frictional noise, service life short defect by overcoming general hinge.
Description
Technical field
The present invention relates to refrigerator manufacturing technology field, particularly relate to elastic hinge and refrigerator.
Background technology
General hinge is all all-metal material or guide rod structure is all-metal material, each portion of metal hinge
Part contacts with each other when the situation not having lubricating oil or lubricating oil to use up can produce bigger frictional force, and
And ear-piercing metal friction sound can be produced, meanwhile, after the antirust coat on metal hinge surface comes off, metal cuts with scissors
Chain is easy to get rusty, and has a strong impact on the performance of metal hinge, shortens the service life of metal hinge.
Foregoing is only used for auxiliary and understands technical scheme, does not represent and recognizes that foregoing is
Prior art.
Summary of the invention
Present invention is primarily targeted at a kind of elastic force hinge of offer and refrigerator, it is intended to solve metal hinge and hold
Easily get rusty, easily occur when working the technical problem of ear-piercing grating.
For achieving the above object, the present invention provides a kind of elastic hinge, and described elastic hinge includes the first shell
Body, the second housing, guide rod structure and spring, described first housing is turned with the second housing by the first rotating shaft
Being dynamically connected, described first housing is provided with limiting platform away from one end of described second housing, and described guide rod is tied
Structure is POM part, and described guide rod structure includes that guide rod and axle sleeve, described axle sleeve are led described in being shaped in
One end of bar, described guide rod runs through described spring away from one end of described axle sleeve and is located at described limiting platform
On the first through hole, make described spring be located between described limiting platform and axle sleeve, described first rotating shaft and
Being provided with limit shaft between limiting platform, described limit shaft is communicated in arcuate socket and the institute of described first housing
State the axis hole of the second housing.
Preferably, the outline of described guide rod is close to or laminating with the inner surface of described spring.
Preferably, the guide rod between described axle sleeve and spring is provided with the first limit base, described limiting platform
Spring side faced by is provided with the second limit base, and described second limit base offers and supplies described guide rod to pass
Second through hole.
Preferably, the cross section of described first limit base and the second limit base is circular, and both radiuses are big
Radius in described spring.
Preferably, the second through hole edge projection along described second limit base is oriented near described spring
The boss that direction extends, the outer radius of described boss is equal with the inside radius of described spring.
Preferably, described second through hole and guide rod are all conical design, and the radius of described second through hole is by leaning on
One end of nearly described spring tapers into the one end away from described spring, and the radius of described guide rod is by close
One end of described axle sleeve tapers into the one end away from described axle sleeve, and maximum half of described second through hole
Footpath is less than the maximum radius of described guide rod.
Preferably, described elastic hinge also includes that described first limit is located at by buffer spring, described buffer spring
Between position seat and the second limit base, this buffer spring is conical design, and described guide rod runs through described buffering elastic
Spring one end maximum with described buffer spring radius are fixed and are connected, and the least radius of described buffer spring is big
Radius in described second through hole.
Preferably, described limit shaft offers oil storage tank.
Preferably, it is embedded with the mold insert consistent with this guide rod bearing of trend inside described guide rod.
Additionally, for achieving the above object, the present invention also provides for a kind of refrigerator, described refrigerator include door body and
Casing, described door body is connected by above-mentioned elastic hinge with casing.
The present invention is by by one-body molded to guide rod and the axle sleeve of guide rod structure, it is to avoid between guide rod and axle sleeve
Relatively slide and produce extraordinary noise；Meanwhile, guide rod and axle sleeve are POM part, have both made guide rod and axle sleeve
Meet hinge to intensity and the requirement of hardness, also make the friction between guide rod and axle sleeve and metal to produce
Giving birth to noise, guide rod and axle sleeve, without at Surface coating antirust coat, also will not get rusty, thus by POM material
The elastic hinge of guide rod structure that material is made overcomes and easily produces frictional noise, service life short defect.
Accompanying drawing explanation
Fig. 1 is the structural representation at elastic hinge the first visual angle of the present invention；
Fig. 2 is the structural representation at elastic hinge the second visual angle of the present invention；
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of elastic hinge of the present invention；
Fig. 4 is the front view of elastic hinge of the present invention；
Fig. 5 is the sectional view of elastic hinge of the present invention；
Fig. 6 is the structural representation of the limit shaft of elastic hinge of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further
Explanation.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
The present invention provides a kind of elastic hinge, referring to figs. 1 through Fig. 5, elastic hinge include the first housing 1,
Second housing 2, guide rod structure 3 and spring 4, the first housing 1 is by the first rotating shaft 5 and the second housing 2
Being rotationally connected, the first housing 1 is provided with limiting platform 11, guide rod structure 3 away from one end of the second housing 2
For polyoxygenated formaldehyde (Polyoxymethylene, POM) part, guide rod structure 3 includes guide rod 31 and axle
Set 32, axle sleeve 32 is shaped in one end of guide rod 31, and guide rod 31 runs through away from one end of axle sleeve 32
Spring 4 and the first through hole 111 being located on limiting platform 11, make spring 4 be located at limiting platform 11 with
Between axle sleeve 32, between the first rotating shaft 5 and limiting platform 11, it is provided with limit shaft 6.Limit shaft 6 connects
It is located at arcuate socket 12 and the axis hole 21 of the second housing 2 of the first housing 1, and the bending side of arcuate socket 12
To the side relative with guide rod 31 being directed towards the first housing 1.
In the present embodiment, the first housing 1 can also be with the second housing 2 pivot joint, the cross section of axle sleeve 32
Semicircular arc, limit shaft 6 is loaded in the semi-circular recesses of axle sleeve 32, when the second housing 2 is near the
When one housing 1 direction rotates, under the interference of base plate, the folding angle of the first housing and the second housing is
180 degree, in other words, the second housing and the first housing in the state of fig. 2, the second housing inverse time
Pin rotates.Second housing 2 drives limit shaft 6 to move along arcuate socket 12 to away from guide rod 31 direction,
Due to the motion of limit shaft 6, the pressure of axle sleeve 32 is reduced by limit shaft 6, and spring 4 then promotes guide rod
31 move to close limit shaft 6 and play guiding function；When the second housing 2 is to away from the first housing 1 side
In time rotating, the second housing 2 drives limit shaft 6 to move along arcuate socket 12 near guide rod 31 direction,
Due to the motion of limit shaft 6, the pressure of axle sleeve 32 is increased by limit shaft 6, and guide rod 31 is near spring
The direction motion of 4, thus spring 4 is then compressed by guide rod 31 and plays cushioning effect.
In the present embodiment, by by one-body molded to guide rod 31 and the axle sleeve 32 of guide rod structure 3, it is to avoid
Relative slip between guide rod 31 with axle sleeve 32 and produce extraordinary noise；Meanwhile, guide rod 31 and axle sleeve
32 is POM part, makes guide rod 31 and axle sleeve 32 both meet hinge to intensity and the requirement of hardness, also
Make the friction between guide rod 31 and axle sleeve 32 and metal will not produce noise, guide rod 31 and axle sleeve 32 nothing
Also will not need to get rusty at Surface coating antirust coat, thus the guide rod structure 3 being made up of POM material
Elastic hinge overcomes and easily produces frictional noise, service life short defect.
Further, the outline of guide rod 31 is close to or laminating with the inner surface of spring 4, makes spring 4
When being compressed by guide rod 31 or stretch, the outline only along guide rod 31 moves, thus controls well
The perpendicularity of spring 4, make spring 4 in use be not easy to produce flexural deformation, it is to avoid bullet
Spring 4 flexural deformation contacts with miscellaneous part and affects the stability of hinge.
Preferably, guide rod 31 is internal is embedded with the mold insert 9 consistent with this guide rod 31 bearing of trend, this mold insert 9
Intensity and the biggest material of hardness are made, and such as mold insert 9 is iron.
Preferably, with reference to Fig. 6, limit shaft 6 offers oil storage tank 61, can effectively store lubricating oil,
Reduce fricative noise.
Further, the guide rod 31 between axle sleeve 32 and spring 4 is provided with the first limit base 71, spacing
Spring 4 side faced by platform 11 is provided with the second limit base 72, and the second limit base 72 offers for guide rod
31 the second through holes 721 passed.In the present embodiment, by the first limit base 71 and the second limit base
Spring 4 is limited in the middle part of guide rod 31 by 72, makes the spring 4 can only be at guide rod 31 at the first limit base 71
And the componental movement that second between limit base 72, spring 4 is stretched or shrinkage direction plays guide effect,
Avoid spring 4 stress further and flexural deformation, to improve the resistance to overturning of elastic hinge.
Preferably, when the first limit base 71 and the second limit base 72 use cross section to be circle, the two is half years old
Footpath, more than the radius of spring 4, makes the spring 4 can not be spacing from the first limit base 71 and second of guide rod 31
Being partially disengaged between seat 72.
Preferably, the second through hole 721 edge projection along the second limit base 72 is oriented near spring 4
The boss 722 that direction extends, the outer radius of boss 722 is equal with the inside radius of spring 4；Spring 4 overlaps
It is connected on the outside of boss 722, prevents spring 4 flexural deformation because of stress.The application mentions spring 4
Radius and diameter, and the radius of buffer spring 8 and diameter each mean that spring 4 or buffer spring 8 are enclosed
The radius of border circular areas or diameter.
Further, the second through hole 721 and guide rod 31 are all conical design, the radius of the second through hole 721
Being tapered into the one end away from spring 4 by the one end near spring 4, the radius of guide rod 31 is by near axle
One end of set 32 tapers into the one end away from axle sleeve 32, and the maximum radius of the second through hole 721 is little
Maximum radius in guide rod 31.In the present embodiment, transport near spring 4 direction when axle sleeve 32 stress
Time dynamic, 71 extrusion springs 4 also move, due to the second through hole 721 He near the second through hole 721 direction
Guide rod 31 is all conical design, and the maximum radius of the second through hole 721 is less than the maximum radius of guide rod 31,
Guide rod 31 cannot pass completely from the second through hole 721, prevents elastic hinge to lose efficacy.
Further, elastic hinge also includes that the first limit base 71 is located at by buffer spring 8, buffer spring 8
With second between limit base 72, this buffer spring 8 is conical design, and guide rod 31 runs through buffer spring 8
And one end maximum with buffer spring 8 radius is fixing is connected, the least radius of buffer spring 8 is more than second
The radius of through hole.In the present embodiment, buffer spring 8 uses back taper to design, its radius bigger one
End closely cooperates with guide rod 31, and after preventing the distress resolves of extrusion spring 4, spring 4 is excessively near axle
Overlap 32 direction motions；The less one end of buffer spring 8 radius is free state, and diameter is more than the second through hole
Minimum diameter, when the door body equipped with this elastic hinge is closed, guide rod 31 is to the direction near spring 4
Mobile, simultaneous buffering spring 8 is produced to the bounce away from spring 4 direction owing to compressing, thus
Door body closing velocity is made to slow down to reach buffering effect.
Additionally, for achieving the above object, the present invention also provides for a kind of refrigerator, and refrigerator includes door body and casing,
Door body is connected by above-mentioned elastic hinge with casing, and in the present embodiment, the first housing 1 is all right
With the second housing 2 pivot joint, the cross section of axle sleeve 32 is semicircular arc, limit shaft 6 dress and axle sleeve 32
In semi-circular recesses, when the second housing 2 is in time rotating near the first housing 1 direction, and the second housing 2 carries
Dynamic limit shaft 6 moves along arcuate socket 12 to away from guide rod direction, due to the motion of limit shaft 6, spacing
The pressure of axle sleeve 32 is reduced by axle 6, and spring 4 then promotes guide rod 31 to move to close limit shaft 6 and rise
To guiding function；When the second housing 2 is in time rotating away from the first housing 1 direction, and the second housing 2 drives
Limit shaft 6 moves along arcuate socket 12 near guide rod 31 direction, due to the motion of limit shaft 6, limit
The pressure of axle sleeve 32 is increased by position axle 6, and guide rod 31 moves near the direction of spring 4, thus spring
4 are compressed by guide rod 31 and play cushioning effect.
In the present embodiment, by by one-body molded to guide rod 31 and the axle sleeve 32 of guide rod structure 3, it is to avoid
Relative slip between guide rod 31 with axle sleeve 32 and produce extraordinary noise；Meanwhile, guide rod 31 and axle sleeve
32 is POM part, makes guide rod 31 and axle sleeve 32 both meet hinge to intensity and the requirement of hardness, also
Make the friction between guide rod 31 and axle sleeve 32 and metal will not produce noise, guide rod 31 and axle sleeve 32 nothing
Also will not need to get rusty at Surface coating antirust coat, thus the guide rod structure 3 being made up of POM material
Elastic hinge overcomes and easily produces frictional noise, service life short defect.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every
Utilize equivalent structure or equivalence flow process conversion that description of the invention and accompanying drawing content made, or directly or
Connect and be used in other relevant technical fields, be the most in like manner included in the scope of patent protection of the present invention.
Claims (7)
1. an elastic hinge, it is characterised in that described elastic hinge include the first housing, the second housing,
Guide rod structure and spring, described first housing is connected with the second housing into rotation by the first rotating shaft, and described the
One housing is provided with limiting platform away from one end of described second housing, and described guide rod structure is POM part,
Described guide rod structure includes that guide rod and axle sleeve, described axle sleeve are shaped in one end of described guide rod, described
Guide rod runs through described spring and the first through hole being located on described limiting platform away from one end of described axle sleeve,
Make described spring be located between described limiting platform and axle sleeve, set between described first rotating shaft and limiting platform
Limited location axle, described limit shaft is communicated in arcuate socket and the axle of described second housing of described first housing
Hole；
Guide rod between described axle sleeve and spring is provided with the first limit base, bullet faced by described limiting platform
Spring side is provided with the second limit base, and described second limit base offers the second through hole passed for described guide rod；
Described elastic hinge also includes that described first limit base and is located at by buffer spring, described buffer spring
Between two limit bases, this buffer spring is conical design, described guide rod run through described buffer spring and with institute
Stating that the maximum one end of buffer spring radius is fixing to be connected, the least radius of described buffer spring is more than described the
The least radius of two through holes.
2. elastic hinge as claimed in claim 1, it is characterised in that described first limit base and second
The cross section of limit base is circular, and both radiuses are more than the radius of described spring.
3. elastic hinge as claimed in claim 2, it is characterised in that along described second limit base
The oriented boss extended near described spring direction of second through hole edge projection, the outer radius of described boss
Equal with the inside radius of described spring.
4. elastic hinge as claimed in claim 3, it is characterised in that described second through hole and guide rod are all
Conical design, the radius of described second through hole by near one end of described spring to away from described spring
One end tapers into, the radius of described guide rod by near one end of described axle sleeve to away from the one of described axle sleeve
End tapers into, and the maximum radius of described second through hole is less than the maximum radius of described guide rod.
5. elastic hinge as claimed in claim 1, it is characterised in that offer storage on described limit shaft
Oil groove.
6. the elastic hinge as described in claim 1 to 5 any one, it is characterised in that described guide rod
Inside is embedded with the mold insert consistent with this guide rod bearing of trend.
7. a refrigerator, it is characterised in that described refrigerator includes door body and casing, described door body and casing
It is connected by the elastic hinge as described in claim 1 to 6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410676741.1A CN104358485B (en) | 2014-11-21 | 2014-11-21 | Elastic hinge and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410676741.1A CN104358485B (en) | 2014-11-21 | 2014-11-21 | Elastic hinge and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358485A CN104358485A (en) | 2015-02-18 |
| CN104358485B true CN104358485B (en) | 2016-08-17 |
Family
ID=52525782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410676741.1A Active CN104358485B (en) | 2014-11-21 | 2014-11-21 | Elastic hinge and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358485B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208934551U (en) * | 2016-05-13 | 2019-06-04 | 深圳市金合联供应链技术有限公司 | A kind of energy conservation spring hinge |
| CN106246022B (en) * | 2016-09-20 | 2018-02-13 | 合肥华凌股份有限公司 | Hinge and refrigerating plant |
| CN107165517A (en) * | 2017-07-25 | 2017-09-15 | 海信（山东）冰箱有限公司 | A kind of hinge and locker |
| CN107327240B (en) * | 2017-08-02 | 2019-05-03 | 海信容声(广东)冷柜有限公司 | A kind of freezer door body hinge and refrigerator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3737947A (en) * | 1971-12-13 | 1973-06-12 | Weber Knapp Co | Two lid counterbalance mechanism |
| CN2869247Y (en) * | 2006-01-23 | 2007-02-14 | 陈文强 | Slider for sliding hinge |
| CN201202336Y (en) * | 2008-05-14 | 2009-03-04 | 海尔集团公司 | Balance hinge |
| CN103670093A (en) * | 2013-12-06 | 2014-03-26 | 合肥华凌股份有限公司 | Hinge component and cooling equipment with the same |
| CN204326778U (en) * | 2014-11-21 | 2015-05-13 | 合肥华凌股份有限公司 | Elastic hinge and refrigerator |
-
2014
- 2014-11-21 CN CN201410676741.1A patent/CN104358485B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104358485A (en) | 2015-02-18 |
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