CN204326778U - Elastic hinge and refrigerator - Google Patents
Elastic hinge and refrigerator Download PDFInfo
- Publication number
- CN204326778U CN204326778U CN201420708540.0U CN201420708540U CN204326778U CN 204326778 U CN204326778 U CN 204326778U CN 201420708540 U CN201420708540 U CN 201420708540U CN 204326778 U CN204326778 U CN 204326778U
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- China
- Prior art keywords
- guide rod
- spring
- housing
- axle sleeve
- elastic hinge
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Abstract
The utility model discloses a kind of elastic hinge, comprise 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 comprises guide rod and axle sleeve, axle sleeve is shaped in one end of guide rod, guide rod runs through spring away from one end of axle sleeve and is located at the first through hole on limiting platform, spring is made to be located between limiting platform and axle sleeve, limit shaft is provided with between first rotating shaft and limiting platform, limit shaft is communicated in the arcuate socket of the first housing and the axis hole of the second housing.The invention also discloses a kind of refrigerator.The utility model easily produces frictional noise, application life short defect by overcoming general hinge.
Description
Technical field
The utility model relates to refrigerator manufacturing technology field, particularly relates to elastic hinge and refrigerator.
Background technology
General hinge is all all-metal material or guide rod structure is all-metal material, the each parts of metal hinge contact with each other when the situation not having lubrication oil or lubrication oil to use up can produce larger frictional force, and ear-piercing metal friction sound can be produced, simultaneously, after the antirust coat on metal hinge surface comes off, metal hinge is easy to get rusty, and has a strong impact on the performance of metal hinge, shortens the application life of metal hinge.
Foregoing only understands the technical solution of the utility model for auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
Main purpose of the present utility model is to provide a kind of elastic force hinge and refrigerator, is intended to solve the technical problem that metal hinge gets rusty easily, easily occurs ear-piercing grating when working.
For achieving the above object, the utility model provides a kind of elastic hinge, described elastic hinge comprises the first housing, second housing, guide rod structure and spring, described first housing is connected with the second housing into rotation by the first rotating shaft, described first housing is provided with limiting platform away from one end of described second housing, described guide rod structure is POM part, described guide rod structure comprises guide rod and axle sleeve, one end of described guide rod is located at by described axle sleeve, described guide rod runs through described spring away from one end of described axle sleeve and is located at the first through hole on described limiting platform, described spring is made to be located between described limiting platform and axle sleeve, limit shaft is provided with between described first rotating shaft and limiting platform, described limit shaft is communicated in the arcuate socket of described first housing and the axis hole of described second housing.
Preferably, the outline of described guide rod and the inner surface of described spring are close to or fit.
Preferably, the guide rod between described axle sleeve and spring is provided with the first limit base, and 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.
Preferably, the cross section of described first limit base and the second limit base is circular, and both radiuses are greater than the radius of described spring.
Preferably, the second through hole edge along described second limit base is convexly equipped with the boss to extending near described spring direction, and 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, the radius of described second through hole is diminished to the one end away from described spring gradually by the one end near described spring, the radius of described guide rod is diminished to the one end away from described axle sleeve gradually by the one end near described axle sleeve, and the maximum radius of described second through hole is less than the maximum radius of described guide rod.
Preferably, described elastic hinge also comprises buffer spring, described buffer spring is located between described first limit base and the second limit base, this buffer spring is conical design, described guide rod runs through described buffer spring and one end maximum with described buffer spring radius is fixedly connected with, and the least radius of described buffer spring is greater than the radius of described second through hole.
Preferably, described limit shaft offers oil storage tank.
Preferably, described guide rod inside is embedded with the mold insert consistent with this guide rod bearing of trend.
In addition, for achieving the above object, the utility model also provides a kind of refrigerator, and described refrigerator comprises a body and casing, and described door body is connected by above-mentioned elastic hinge with casing.
The utility model by by the guide rod of guide rod structure and axle sleeve one-body molded, avoid relative sliding between guide rod and axle sleeve and produce extraordinary noise; Simultaneously, guide rod and axle sleeve are POM part, guide rod and axle sleeve is made both to have met the requirement of hinge to intensity and hardness, also guide rod and the friction between axle sleeve and metal is made to produce noise, guide rod and axle sleeve are without the need at Surface coating antirust coat, also can not get rusty, thus the elastic hinge of the guide rod structure be made up of POM material overcomes and easily produces frictional noise, application life short defect.
Accompanying drawing explanation
Fig. 1 is the structural representation at the utility model elastic hinge first visual angle;
Fig. 2 is the structural representation at the utility model elastic hinge second visual angle;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model elastic hinge;
Fig. 4 is the elevation of the utility model elastic hinge;
Fig. 5 is the sectional view of the utility model elastic hinge;
Fig. 6 is the structural representation of the limit shaft of the utility model elastic hinge.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of elastic hinge, referring to figs. 1 through Fig. 5, elastic hinge comprises the first housing 1, second housing 2, guide rod structure 3 and spring 4, first housing 1 is rotationally connected by the first rotating shaft 5 and the second housing 2, first housing 1 is provided with limiting platform 11 away from one end of the second housing 2, guide rod structure 3 is polyoxygenated formaldehyde (Polyoxymethylene, POM) part, guide rod structure 3 comprises guide rod 31 and axle sleeve 32, one end of guide rod 31 is located at by axle sleeve 32, guide rod 31 runs through spring 4 and the first through hole 111 be located on limiting platform 11 away from one end of axle sleeve 32, spring 4 is made to be located between limiting platform 11 and axle sleeve 32, limit shaft 6 is provided with between first rotating shaft 5 and limiting platform 11.Limit shaft 6 is communicated in the arcuate socket 12 of the first housing 1 and the axis hole 21 of the second housing 2, and the overbending direction of arcuate socket 12 is towards the side relative with guide rod 31 of the first housing 1.
In the present embodiment, first housing 1 can also with the second housing 2 pivot joint, the cross section of axle sleeve 32 is semicircular arc, limit shaft 6 is loaded in the semi-circular recesses of axle sleeve 32, when the second housing 2 is to when rotating near the first housing 1 direction, under the interference of base plate, the folding angle of the first housing and the second housing is 180 degree, in other words, in the state of fig. 2, the second housing rotates counterclockwise for the second housing and the first housing.Second housing 2 drives limit shaft 6 to move along arcuate socket 12 to away from guide rod 31 direction, and due to the motion of limit shaft 6, the pressure of limit shaft 6 pairs of axle sleeves 32 reduces, and spring 4 promotion guide rods 31 play guiding function to moving near limit shaft 6; When the second housing 2 is to when rotating away from the first housing 1 direction, 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 increase of limit shaft 6 pairs of axle sleeves 32, guide rod 31 moves near the direction of spring 4, thus 4, spring is compressed by guide rod 31 and plays cushioning effect.
In the present embodiment, by by the guide rod 31 of guide rod structure 3 and axle sleeve 32 one-body molded, avoid relative sliding between guide rod 31 and axle sleeve 32 and produce extraordinary noise; Simultaneously, guide rod 31 and axle sleeve 32 are POM part, guide rod 31 and axle sleeve 32 is made both to have met the requirement of hinge to intensity and hardness, also guide rod 31 and the friction between axle sleeve 32 and metal is made to produce noise, guide rod 31 and axle sleeve 32 are without the need at Surface coating antirust coat, also can not get rusty, thus the elastic hinge of the guide rod structure 3 be made up of POM material overcomes and easily produces frictional noise, application life short defect.
Further, the outline of guide rod 31 and the inner surface of spring 4 are close to or fit, spring 4 can only be moved along the outline of guide rod 31 when being compressed by guide rod 31 or stretch, thus control the verticality of spring 4 well, make spring 4 in use be not easy to produce flexural deformation, avoid spring 4 flexural deformation and contact with miscellaneous part and affect the stability of hinge.
Preferably, guide rod 31 inside is embedded with the mold insert 9 consistent with this guide rod 31 bearing of trend, and this mold insert 9 intensity and all larger 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, effectively can store lubrication oil, reduce fricative noise.
Further, the guide rod 31 between axle sleeve 32 and spring 4 is provided with the first limit base 71, and second limit base 72, second limit base 72 that is provided with in the face of spring 4 side of limiting platform 11 offers the second through hole 721 passed for guide rod 31.In the present embodiment, by the first limit base 71 and the second limit base 72, spring 4 is limited in the middle part of guide rod 31, make spring 4 can only at the componental movement of guide rod 31 between the first limit base 71 and the second limit base 72, spring 4 to be stretched or shrinkage direction plays guide effect, avoid spring 4 stressed 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 adopt cross section to be circle, the two radius is greater than the radius of spring 4, and spring 4 can not be departed from from the part between the first limit base 71 of guide rod 31 and the second limit base 72.
Preferably, the second through hole 721 edge along the second limit base 72 is convexly equipped with the boss 722 to extending near spring 4 direction, and the outer radius of boss 722 is equal with the inside radius of spring 4; Spring 4 is socketed in the outside of boss 722, prevents spring 4 because of stressed and flexural deformation.Mention radius and the diameter of spring 4 in the application, and the radius of buffer spring 8 and diameter all refer to spring 4 or buffer spring 8 enclose radius or the diameter of border circular areas.
Further, second through hole 721 and guide rod 31 are all conical design, the radius of the second through hole 721 is diminished to the one end away from spring 4 gradually by the one end near spring 4, the radius of guide rod 31 is diminished to the one end away from axle sleeve 32 gradually by the one end near axle sleeve 32, and the maximum radius of the second through hole 721 is less than the maximum radius of guide rod 31.In the present embodiment, when axle sleeve 32 is stressed to during near the motion of spring 4 direction, 71 extrusion springs 4 also move near the second through hole 721 direction, because the second through hole 721 and guide rod 31 are 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 comprises buffer spring 8, buffer spring 8 is located between the first limit base 71 and the second limit base 72, this buffer spring 8 is conical design, guide rod 31 runs through buffer spring 8 and one end maximum with buffer spring 8 radius is fixedly connected with, and the least radius of buffer spring 8 is greater than the radius of the second through hole.In the present embodiment, buffer spring 8 adopts back taper to design, and one end that its radius is larger and guide rod 31 closely cooperate, and after preventing the distress resolves of extrusion spring 4, spring 4 excessively moves near axle sleeve 32 direction; The less one end of buffer spring 4 radius is free state, diameter is greater than the minimum diameter of the second through hole, when the door body that this elastic hinge is housed is closed, guide rod 31 moves to the direction near spring 4, simultaneous buffering spring 8 owing to being produced by compressing to the bounce away from spring 4 direction, thus makes a body closing velocity slow down to reach buffering effect.
In addition, for achieving the above object, the utility model also provides a kind of refrigerator, refrigerator comprises a body and casing, door body is connected by above-mentioned elastic hinge with casing, in the present embodiment, first housing 1 can also with the second housing 2 pivot joint, the cross section of axle sleeve 32 is semicircular arc, limit shaft 6 fills in the semi-circular recesses with axle sleeve 32, when the second housing 2 is to when rotating near the first housing 1 direction, second housing 2 drives limit shaft 6 to move along arcuate socket 12 to away from guide rod direction, due to the motion of limit shaft 6, the pressure of limit shaft 6 pairs of axle sleeves 32 reduces, spring 4 promotion guide rods 31 play guiding function to moving near limit shaft 6, when the second housing 2 is to when rotating away from the first housing 1 direction, 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 increase of limit shaft 6 pairs of axle sleeves 32, guide rod 31 moves near the direction of spring 4, thus 4, spring is compressed by guide rod 31 and plays cushioning effect.
In the present embodiment, by by the guide rod 31 of guide rod structure 3 and axle sleeve 32 one-body molded, avoid relative sliding between guide rod 31 and axle sleeve 32 and produce extraordinary noise; Simultaneously, guide rod 31 and axle sleeve 32 are POM part, guide rod 31 and axle sleeve 32 is made both to have met the requirement of hinge to intensity and hardness, also guide rod 31 and the friction between axle sleeve 32 and metal is made to produce noise, guide rod 31 and axle sleeve 32 are without the need at Surface coating antirust coat, also can not get rusty, thus the elastic hinge of the guide rod structure 3 be made up of POM material overcomes and easily produces frictional noise, application life short defect.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model manual and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an elastic hinge, it is characterized in that, described elastic hinge comprises the first housing, second housing, guide rod structure and spring, described first housing is connected with the second housing into rotation by the first rotating shaft, described first housing is provided with limiting platform away from one end of described second housing, described guide rod structure is POM part, described guide rod structure comprises guide rod and axle sleeve, one end of described guide rod is located at by described axle sleeve, described guide rod runs through described spring away from one end of described axle sleeve and is located at the first through hole on described limiting platform, described spring is made to be located between described limiting platform and axle sleeve, limit shaft is provided with between described first rotating shaft and limiting platform, described limit shaft is communicated in the arcuate socket of described first housing and the axis hole of described second housing.
2. elastic hinge as claimed in claim 1, it is characterized in that, the outline of described guide rod and the inner surface of described spring are close to or fit.
3. elastic hinge as claimed in claim 1, it is characterized in that, guide rod between described axle sleeve and spring is provided with the first limit base, and 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.
4. elastic hinge as claimed in claim 3, is characterized in that, the cross section of described first limit base and the second limit base is circular, and both radiuses are greater than the radius of described spring.
5. elastic hinge as claimed in claim 4, is characterized in that, the second through hole edge along described second limit base is convexly equipped with the boss to extending near described spring direction, and the outer radius of described boss is equal with the inside radius of described spring.
6. elastic hinge as claimed in claim 5, it is characterized in that, described second through hole and guide rod are all conical design, the radius of described second through hole is diminished to the one end away from described spring gradually by the one end near described spring, the radius of described guide rod is diminished to the one end away from described axle sleeve gradually by the one end near described axle sleeve, and the maximum radius of described second through hole is less than the maximum radius of described guide rod.
7. elastic hinge as claimed in claim 6, it is characterized in that, described elastic hinge also comprises buffer spring, described buffer spring is located between described first limit base and the second limit base, this buffer spring is conical design, described guide rod runs through described buffer spring and one end maximum with described buffer spring radius is fixedly connected with, and the least radius of described buffer spring is greater than the radius of described second through hole.
8. elastic hinge as claimed in claim 7, is characterized in that, described limit shaft offers oil storage tank.
9. the elastic hinge as described in claim 1 to 8 any one, is characterized in that, described guide rod inside is embedded with the mold insert consistent with this guide rod bearing of trend.
10. a refrigerator, is characterized in that, described refrigerator comprises a body and casing, and described door body is connected by the elastic hinge as described in claim 1 to 9 any one with casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708540.0U CN204326778U (en) | 2014-11-21 | 2014-11-21 | Elastic hinge and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708540.0U CN204326778U (en) | 2014-11-21 | 2014-11-21 | Elastic hinge and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204326778U true CN204326778U (en) | 2015-05-13 |
Family
ID=53163150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420708540.0U Active CN204326778U (en) | 2014-11-21 | 2014-11-21 | Elastic hinge and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204326778U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358485A (en) * | 2014-11-21 | 2015-02-18 | 合肥华凌股份有限公司 | Elastic hinge and refrigerator |
| CN105927073A (en) * | 2016-04-20 | 2016-09-07 | 合肥华凌股份有限公司 | Damping hinge suitable for sliding door for freezer and freezer |
| CN109013636A (en) * | 2018-09-11 | 2018-12-18 | 武汉沿程科技股份有限公司 | The external pressure closer of tobacco conveyer shield |
-
2014
- 2014-11-21 CN CN201420708540.0U patent/CN204326778U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358485A (en) * | 2014-11-21 | 2015-02-18 | 合肥华凌股份有限公司 | Elastic hinge and refrigerator |
| CN105927073A (en) * | 2016-04-20 | 2016-09-07 | 合肥华凌股份有限公司 | Damping hinge suitable for sliding door for freezer and freezer |
| CN109013636A (en) * | 2018-09-11 | 2018-12-18 | 武汉沿程科技股份有限公司 | The external pressure closer of tobacco conveyer shield |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |