CN201202336Y - Balance hinge - Google Patents
Balance hinge Download PDFInfo
- Publication number
- CN201202336Y CN201202336Y CNU2008200225359U CN200820022535U CN201202336Y CN 201202336 Y CN201202336 Y CN 201202336Y CN U2008200225359 U CNU2008200225359 U CN U2008200225359U CN 200820022535 U CN200820022535 U CN 200820022535U CN 201202336 Y CN201202336 Y CN 201202336Y
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- CN
- China
- Prior art keywords
- guide plate
- spring
- lower seat
- spring lower
- round platform
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a balanced hinge to solve the problem that when a box door of a refrigerator is opened between 35-90 degrees, the door body can not be in a balance state in the prior art. The technical proposal is that a spring lower seat is added, a supporting cross beam of a taper hole, whose shape is corresponding to that of a round platform, is arranged in a matching mode, the spring lower seat is a thin round platform whose upper portion is wide and the lower portion is narrow, an axial groove which passes through the diameter, thereby when a guide plate moves downwards, the axial groove fraps inwards, and the friction between the guide plate and the groove is increased, the door body can not automatically move under the function of the gravity and the spring elasticity when the box door is opened within a certain opening angle, and the door body can be controlled to be balanced when being stopped at any points in the opening angle.
Description
Technical field
The utility model belongs to refrigerator hinge technical field, specifically, relates to a kind of freezer door body balance hinge.
Background technology
Traditional refrigerator chamber door is arranged on the top of refrigerator box body, chamber door is by the hinge support that is arranged on the refrigerator rear end, with reference to Fig. 1,2, hinge is made of hinge upper casing 8 that is fixed in the chamber door outside and the hinge lower casing 6 that is fixed on the casing outside, hinge upper casing 8 and hinge lower casing 6 connect into rotating structure by hinge axis 9, connect a rocker arm shaft 7 on hinge upper casing 8 sidewalls; rocker arm shaft 7 is contained in the groove of guide plate 4 upper ends; guide plate withstands rocker arm shaft by the restoring force of spring 3; spring 3 is inserted in the bottom of guide plate, and spring 3 lower ends are supported by supporting traverse.
When opening chamber door, hinge upper casing 8 is that upwards rotate at the center with hinge axis 9, and the elastic force elongation of spring 3 dependence at this moment itself can be opened chamber door easily; When the user closed chamber door, hinge upper casing 8 was that chamber door is closed in the center rotation with hinge axis 9, and at this moment spring 3 can be compressed, thereby slows down the speed that chamber door is closed.
There is following shortcoming in the conventional hinge structures of above-mentioned formation: chamber door is owing to be subjected to the restriction of spring force, make chamber door must open in the scope at 35 °～90 °, can only certain a bit or one stop in the small angle range very much, controlled, and the user often can't accurately find above-mentioned controlled point or angular range when opening chamber door, the angle too small of perhaps opening, cause the user when getting thing, a door body of opening might drop suddenly and closes, and makes user's head injuries; The angle of perhaps opening is excessive, and the door body is understood motion backward rapidly under the control than big spring power, and the user has little time reaction, causes user's face injured.
How to address the above problem, then be the problem that the utility model faced.
Summary of the invention
The utility model provides a kind of body that makes in 35 °～90 ° opening angle scopes, can be at the balance hinge that a bit stops arbitrarily.
Technical characterictic of the present invention is by rocker arm shaft traditional, guide plate, spring, the spring seat of honour and be fixed in the elasticity supplemental support mechanism that the supporting traverse on the hinge lower casing forms spring lower seat is set, described spring lower seat is a upper coarse and lower fine round platform, axial groove is arranged on the round platform, has the circular flange that coincide with spring on the described round platform periphery wall, have on the described supporting traverse and described truncated conical shape taper hole corresponding, described spring lower seat places the taper hole of supporting traverse, and described guide plate lower end places described spring lower seat axial pass trough to constitute and closely cooperates.Utilize spring when opening the door, to be tending towards discharging, to be tending towards at closing time the duty compressed, regulate the frictional force between guide plate and the spring lower seat, the gravity opposite effect power when thereby a generation and a body fall prevents that effectively the uncontrolled phenomenon in the unexpected whereabouts of a body that conventional art exists from taking place.
When at closing time, guide plate moves down spring and is compressed, and the taper hole of the supported crossbeam of described spring lower seat clamps, and axially through slot inwardly tightens up, and the frictional force between spring lower seat and the guide plate increases;
When opening the door, move spring on the guide plate and be released, active force reduces between the taper hole of described spring lower seat and supporting traverse, the axial outside spreading of through slot, the frictional force between spring lower seat and the guide plate reduces.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of balance hinge, comprise hinge axis, the hinge lower casing, the hinge upper casing, guide plate, spring, spring lower seat and be fixed on supporting traverse on the hinge lower casing, described spring is against between the backstop and spring lower seat of guide plate, wherein, described spring lower seat is a upper coarse and lower fine round platform, described round platform has an axial through slot by diameter, has flange on the described round platform periphery wall, described supporting traverse middle part has and the corresponding bellmouth of described truncated conical shape, described guide plate lower end is stretched in the axial through slot of described spring lower seat, described spring lower seat places the bellmouth of supporting traverse, when guide plate moves down, the bellmouth of the supported crossbeam of described spring lower seat clamps, and axially through slot inwardly tightens up, and increases with guide plate frictional force.
Described flange is arranged on the round platform upper edge, and the round platform top has a cylinder, and described cylinder has a notch that is communicated with described axial through slot along diameter, and described spring lower end is enclosed within on the described cylinder.
In order to satisfy guide plate enough spaces are arranged, have the slotted eye of extension on the described flange by axial through slot place.
In order to guarantee that spring lower seat is being subjected to inside the contraction to the enough resistances of guide plate under the elastic force effect, the gap of described flange bottom surface and supporting traverse is 1-2mm.
Described round platform has groove on the bottom surface.
Have groove on the end face on the described cylinder.
Described cylinder is the external diameter cylinder consistent with described spring inside diameter.
Described spring lower seat adopts polyformaldehyde, polyethylene, rubber or nylon to make.
Compared with prior art, advantage of the present utility model and good effect are:
The utility model spring lower seat is designed to upper coarse and lower fine round platform, and on round platform, have an axial through slot by diameter, supporting traverse has and the corresponding bellmouth of truncated conical shape in the middle part of being designed to simultaneously, like this, after spring lower seat being placed the bellmouth of supporting traverse, spring lower seat can be along with moving down of guide plate the bellmouth of supported crossbeam clamp, thereby axially through slot inwardly tightens up, and increases with guide plate frictional force.
The utility model is applied on the horizontal refrigerator, chamber door is in the process of opening, closing, all the time exist frictional force between guide plate and the axial through slot, when the chamber door open angle surpasses 35 °, frictional force between guide plate and the axial through slot is enough to the difference of balancing gravity moment and spring force moment, be reflected on the body, make the movement velocity of door body slow down, like this under the frictional damping effect of axial through slot, on the one hand, the impact force that chamber door is subjected to spring reduces, movement velocity is slowed down, and makes that the open and close chamber door is more flexible; On the other hand, in certain opening angle scope (35 °～90 °), the door body can not move voluntarily because of the effect of deadweight and spring force, and some balances are controlled arbitrarily but rest on above-mentioned opening angle scope.
That the utility model balance hinge not only has is reliable, long service life, advantage that cost is low, and simple in structure, easy to process, cost is low, can be widely used on the horizontal refrigerator.
Description of drawings
Fig. 1 is the utility model lateral view;
Fig. 2 is that A shown in Figure 1 is to partial sectional view;
Fig. 3 is the utility model spring lower seat structural representation.
Wherein, 1, supporting traverse; 1-1, bellmouth; 2, spring lower seat; 2-1, axial through slot; 2-2, flange; 2-3, slotted eye; 2-4, cylinder; 2-5, notch; 2-6, groove; 3, spring; 4, guide plate; 5, packing ring; 6, hinge lower casing; 7, rocker arm shaft; 8, hinge upper casing; 9, hinge axis; 10, bracketing.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Embodiment one, the hinge lower casing 6 that as shown in Figure 1, 2, the utility model balance hinge comprises hinge axis 9, can rotate around hinge axis 9 and hinge upper casing 8, guide plate 4, spring 3, spring lower seat 2 and be fixed on supporting traverse 1 on the hinge lower casing 6.Connect a rocker arm shaft 7 on hinge upper casing 8 sidewalls; rocker arm shaft 7 is contained in the groove of guide plate 4 upper ends; rocker arm shaft 7 is withstood by the restoring force of spring 3 in guide plate 4 upper ends; for fear of wearing and tearing; rocker arm shaft 7 is withstood by bracketing 10 in guide plate 4 upper ends; insert in the spring 3 bottom of guide plate 4, and guide plate 4 lower ends are stretched in spring lower seat 2 and the supporting traverse 1, and spring 3 is against between the backstop and spring lower seat 2 of guide plate 4.Wherein, the permanent position and the traditional structure of the fixed form of hinge and hinge and chamber door, casing are similar, and this does not give unnecessary details.
As shown in Figure 3, the utility model spring lower seat 2 is a upper coarse and lower fine round platform, round platform adopts polyformaldehyde, polyethylene, rubber or nylon to make, have an axial through slot 2-1 by diameter on it, has flange 2-2 on the round platform periphery wall, flange 2-2 is arranged on the round platform upper edge, for Mould Machining convenient, can be on the round platform bottom surface recessing 2-6.Supporting traverse 1 middle part has and the corresponding bellmouth 1-1 of described truncated conical shape, guide plate 4 lower ends are stretched among the spring lower seat 2 axial through slot 2-1, and spring lower seat 2 places the bellmouth 1-1 of supporting traverse 1, when guide plate 4 moves down, axially through slot 2-1 inwardly tightens up, and frictional force increases between the guide plate 4.
In order to guarantee that spring lower seat 2 is being subjected under the elastic force effect inwardly shrinking the resistance of giving guide plate 4 enough, the gap h of flange 2-2 bottom surface and supporting traverse 1 is 1-2mm, and present embodiment h gets 1.5mm.Spring lower seat 2 is placed bellmouth 1-1, guide plate 4 stretches among the described axial through slot 2-1, and stretch out bellmouth 1-1, the distance that the length of extension moves up and down less than guide plate 4, like this, guide plate 4 can produce friction with axial through slot 2-1 when reaching side-to-side movement up and down, and side-to-side movement is with reference to position shown in Figure 1, see that if stand in the place ahead of refrigerator then hinge is to do to reach up and down to seesaw.Enough activity spaces are arranged in order to satisfy guide plate 4 when the side-to-side movement, on flange 2-2, have the slotted eye 2-3 of extension by axial through slot 2-1 place.
Chamber door exists frictional force between guide plate 4 and the axial through slot 2-1 all the time in the process of opening, closing, in the effect of frictional force, the impact force that chamber door is subjected to spring 3 reduces, movement velocity is slowed down, and makes that the open and close chamber door is more flexible.
Because the chamber door open angle does not have practical significance in 0～35 ° of scope, thereby present embodiment selective analysis chamber door open angle is in 35 °～90 ° scopes motion of hinge and stressing conditions.As shown in Figure 2, when closing chamber door, along with guide plate 4 moves downward, spring 3 compressions, this moment, spring lower seat 2 was subjected to the acting in conjunction of the frictional force that the downward pressure of spring 3 and supporting traverse 1 bellmouth 1-1 inwall make progress, and the bellmouth 1-1 of spring lower seat 2 supported crossbeams 1 clamps, and spring lower seat 2 jackshafts shrink gradually to the slit of through slot 2-1 and reduce, the frictional force that this moment, spring lower seat 2 pairs of guide plates 4 produced increases gradually, is enough to the gravity torque that balance increases gradually and the difference of spring force moment; When opening chamber door, guide plate 4 moves upward, axially there is the frictional force that clamps all the time between through slot 2-1 and the guide plate 4 too, frictional force moment is enough to the difference of balancing gravity moment and spring force moment, thereby, under frictional force, spring force and gravity acting in conjunction, make the door body in 35 °～90 ° opening angle scopes, can not move voluntarily, but it is controlled to rest on above-mentioned opening angle scope arbitrfary point balance because of the effect of deadweight and spring force.
Embodiment two, with reference to figure 2,3, be with embodiment one difference: present embodiment spring lower seat 2 round platform tops have one with the consistent cylinder 2-4 of spring 3 internal diameters, can certainly be other multiedge cylinders, cylinder 2-4 has the notch 2-5 that is communicated with described axial through slot 2-1 along diameter, and spring 3 lower ends are enclosed within on the described cylinder 2-4.The spring lower seat 2 of this kind structure, spring 3 can be fixed on well guide plate 4 around, in order to reduce wear, a packing ring 5 can be enclosed within on the cylinder 2-4, in order to save labor and materials and easy to process, described cylinder 2-4 goes up end face and also has groove.
Based on technical characterictic of the present invention is to utilize spring to be tending towards discharging, to be tending towards at closing time the duty compressed when opening the door, regulate between guide plate and the spring lower seat owing to existing one to clamp the frictional force that guide plate produces, the gravity opposite effect power when thereby a generation and a body fall prevents that effectively the uncontrolled phenomenon in the unexpected whereabouts of a body that conventional art exists from taking place.Can also draw the embodiment of other forms and structure.
For example spring lower seat can be made the frustum shape of wedge shape, axial groove is arranged on the frustum, has the circular flange that coincide with spring on the described frustum periphery wall, have on the described supporting traverse and the corresponding taper type of described frustum shape hole, described spring lower seat places the taper type hole of supporting traverse, and described guide plate lower end places described spring lower seat axial pass trough to constitute to closely cooperate etc.
Close structure also has the spring lower seat of circle and cooperating of conical hole; The spring lower seat of wedge shape and cooperating of the hole of wedge shape etc., this not one by one class lift.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (8)
1, a kind of balance hinge, comprise hinge axis, the hinge lower casing, the hinge upper casing, guide plate, spring, spring lower seat and be fixed on supporting traverse on the hinge lower casing, described spring is against between the backstop and spring lower seat of guide plate, it is characterized in that: described spring lower seat is a upper coarse and lower fine round platform, described round platform has an axial through slot by diameter, has flange on the described round platform periphery wall, described supporting traverse middle part has and the corresponding bellmouth of described truncated conical shape, described guide plate lower end is stretched in the axial through slot of described spring lower seat, described spring lower seat places the bellmouth of supporting traverse, and described guide plate lower end places described spring lower seat axial pass trough to constitute and closely cooperates:
When guide plate moved down, spring was compressed, and the taper hole of the supported crossbeam of described spring lower seat clamps, and axially through slot inwardly tightens up, and the frictional force between spring lower seat and the guide plate increases;
When moving on the guide plate, spring is released, and active force reduces between the taper hole of described spring lower seat and supporting traverse, the axial outside spreading of through slot, and the frictional force between spring lower seat and the guide plate reduces.
2, balance hinge according to claim 1 is characterized in that: described flange is arranged on the round platform upper edge, and the round platform top has a cylinder, and described cylinder has a notch that is communicated with described axial through slot along diameter, and described spring lower end is enclosed within on the described cylinder.
3, balance hinge according to claim 1 and 2 is characterized in that: the slotted eye that has extension on the described flange by axial through slot place.
4, balance hinge according to claim 1 is characterized in that: the gap of described flange bottom surface and supporting traverse is 1-2mm.
5, balance hinge according to claim 3 is characterized in that: described round platform has groove on the bottom surface.
6, balance hinge according to claim 4 is characterized in that: have groove on the end face on the described cylinder.
7, balance hinge according to claim 5 is characterized in that: described cylinder is the external diameter cylinder consistent with described spring inside diameter.
8, balance hinge according to claim 1 is characterized in that: described spring lower seat adopts polyformaldehyde, polyethylene, rubber or nylon to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200225359U CN201202336Y (en) | 2008-05-14 | 2008-05-14 | Balance hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200225359U CN201202336Y (en) | 2008-05-14 | 2008-05-14 | Balance hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201202336Y true CN201202336Y (en) | 2009-03-04 |
Family
ID=40424650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200225359U Expired - Lifetime CN201202336Y (en) | 2008-05-14 | 2008-05-14 | Balance hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201202336Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302908A (en) * | 2008-05-14 | 2008-11-12 | 海尔集团公司 | Balance hinge |
| CN104343303A (en) * | 2013-07-26 | 2015-02-11 | 中科美菱低温科技有限责任公司 | Horizontal cryopreservation tank with spring damping hinges |
| CN104358485A (en) * | 2014-11-21 | 2015-02-18 | 合肥华凌股份有限公司 | Elastic hinge and refrigerator |
| CN104358484A (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 |
| CN111042683A (en) * | 2018-10-15 | 2020-04-21 | 日本电产三协株式会社 | Hinge assembly |
| CN111042680A (en) * | 2018-10-15 | 2020-04-21 | 日本电产三协株式会社 | Hinge with damper |
| CN111042679A (en) * | 2018-10-15 | 2020-04-21 | 日本电产三协株式会社 | Hinge with damper |
-
2008
- 2008-05-14 CN CNU2008200225359U patent/CN201202336Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302908A (en) * | 2008-05-14 | 2008-11-12 | 海尔集团公司 | Balance hinge |
| CN101302908B (en) * | 2008-05-14 | 2013-07-03 | 海尔集团公司 | Balance hinge |
| CN104343303A (en) * | 2013-07-26 | 2015-02-11 | 中科美菱低温科技有限责任公司 | Horizontal cryopreservation tank with spring damping hinges |
| CN104358485A (en) * | 2014-11-21 | 2015-02-18 | 合肥华凌股份有限公司 | Elastic hinge and refrigerator |
| CN104358484A (en) * | 2014-11-21 | 2015-02-18 | 合肥华凌股份有限公司 | Elastic hinge and refrigerator |
| CN104358484B (en) * | 2014-11-21 | 2016-07-20 | 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 |
| CN111042683A (en) * | 2018-10-15 | 2020-04-21 | 日本电产三协株式会社 | Hinge assembly |
| CN111042680A (en) * | 2018-10-15 | 2020-04-21 | 日本电产三协株式会社 | Hinge with damper |
| CN111042679A (en) * | 2018-10-15 | 2020-04-21 | 日本电产三协株式会社 | Hinge with damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090304 Effective date of abandoning: 20080514 |
|
| RGAV | Abandon patent right to avoid regrant |