CN208330973U - A kind of low torque friction hinge - Google Patents
A kind of low torque friction hinge Download PDFInfo
- Publication number
- CN208330973U CN208330973U CN201820384105.5U CN201820384105U CN208330973U CN 208330973 U CN208330973 U CN 208330973U CN 201820384105 U CN201820384105 U CN 201820384105U CN 208330973 U CN208330973 U CN 208330973U
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- friction
- hole
- hinge
- groove
- 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 - Fee Related
Links
- 210000002421 cell wall Anatomy 0.000 claims abstract description 25
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000002360 explosive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
Abstract
The utility model provides a kind of low torque friction hinge, including the first connecting plate and the second connecting plate, first connecting plate and the second connecting plate are respectively provided with rotation connection side, first connecting plate and the second connecting plate have in their rotation connection side is embedded in the convex key cooperated and groove, and friction structure is provided between the convex key and the cell wall of the groove, the friction structure provides resistance when the first connecting plate and the relative rotation of the second connecting plate, sheet friction member is provided in the friction structure, the cell wall of the end of the convex key and/or the groove is provided with the hole for accommodating the sheet friction member.The utility model structure is simple, small in size, it is very suitable for lighter relatively small-sized electronic product smaller than laptop, and need to input certain torque ability open or close hinge, it is capable of providing certain operating handle, and is unlikely to torque and reaches the degree for stopping operating position at any time at any time greatly very much.
Description
Technical field
The utility model relates to a kind of hinges, more particularly, to wearable device (such as wrist-watch, the helmet, wireless headset box
Deng the hinge in the low torques equipment such as ... ..), 3C consumption electronic product, in particular a kind of low torque friction hinge of the hinge.
Background technique
Common friction hinge is chiefly used in laptop etc. in the electronic product of constant weight, provides and stops at any time
Rotate the function of positioning at any time.The structure of these friction hinges common are the cooperation of reed pipe and axis；In biaxial hinge, also
The structure of disc spring and the fixed frame friction fit being all nested together with two axis.These friction hinges all have comparable torque and one
Fixed volume in certain functions of not needing to stop operating at any time and position at any time, but has certain operation feeling again
The application of electronic product, brings inconvenient for use instead, and is also unsuitable for applying in smaller, light electronic product, than
Such as wearable device (such as wrist-watch, the helmet, wireless headset box ... ..), 3C consumption electronic product low torque equipment.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of low torque friction hinges, can either provide certain
Operating handle, and convenient for being designed as torque less greatly without reaching the degree positioned at any time and small in size of stopping operating at any time,
It is particularly suitable for lighter relatively small-sized electronic product smaller than laptop.For this purpose, the utility model uses following technical side
Case:
A kind of low torque friction hinge, including the first connecting plate and the second connecting plate, it is characterised in that the first connecting plate and
Second connecting plate, which is respectively provided with rotation connection side, the first connecting plate and the second connecting plate, has insertion in their rotation connection side
The convex key and groove of cooperation, and friction structure is provided between the convex key and the cell wall of the groove, the friction structure
Resistance when the first connecting plate and the relative rotation of the second connecting plate is provided, is provided with sheet friction member in the friction structure,
The cell wall of the end of the convex key and/or the groove is provided with the hole for accommodating the sheet friction member.
Further, the rotation connection side fixed connection shaft of first connecting plate, the accommodating sheet friction member
Hole is arranged on second connecting plate, and the sheet friction member is fixed in the hole, and the sheet friction member has
The ring of opening, and using the ring elasticity and with the axle clamp tight fit.
Further, the sheet friction member further includes positioning shank, and the hole has and the positioning handle mate
Locating slot.
Further, the rotation connection side of second connecting plate has a convex key, the rotation of first connecting plate
Connecting side has a groove with the insertion cooperation of one convex key of the second connecting plate, the cell wall of the groove and described one
The axis hole of the axis is arranged in a convex key, and the axis hole on the cell wall is through-hole, one convex key of second connecting plate
The hole of setting accommodating sheet friction member around the axis hole of end on it.
Further, the sheet friction member is disc spring piece, and the sheet friction member covers on the axis of the hinge,
And it is pressed between the first connecting plate and the second connecting plate, and the component contacted with it forms the friction structure, institute
The component for stating contact is a part of the first connecting plate and/or the second connecting plate or the component that is fixedly connected.
Further, the sheet friction member is friction plate, and is supported by elastomeric element, the sheet friction member set
On the axis of the hinge, and it is pressed between the first connecting plate and the second connecting plate, and the component shape contacted with it
At the friction structure, the component of the contact is a part of the first connecting plate and/or the second connecting plate or is fixedly connected
Component.
Further, the rotation connection side of second connecting plate has a convex key, the rotation of first connecting plate
Connecting side has a groove with the insertion cooperation of one convex key of the second connecting plate, the cell wall of the groove and described one
The axis hole of the axis is arranged in a convex key, and the axis hole on the cell wall is through-hole, one convex key of second connecting plate
The hole of setting accommodating sheet friction member around the axis hole of end on it；The disc spring piece or the friction supported by elastomeric element
Piece is compressed by the bottom of the cell wall of the groove and/or the hole, and the bottom with the cell wall of the groove and/or the hole
Form the friction structure.
Further, the sheet friction member is metal plate punching part.
Further, the first connecting plate and the second connecting plate are arc panel, and when hinge is in closure, the first connecting plate
It is continuous cambered surface with the linking of the second connecting plate.
Due to using the technical solution of the utility model, the utility model structure is simple, small in size, is very suitable for than pen
Remember the smaller lighter relatively small-sized electronic product of this computer, and needs to input certain torque ability open or close hinge, it can
Certain operating handle is provided, and is unlikely to torque and reaches the degree for stopping operating position at any time at any time greatly very much.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model embodiment 1.
Fig. 2 is the enlarged drawing at the position A of Fig. 1.
Fig. 3 is a kind of explosive view of the structure of the utility model embodiment 1.
Fig. 4 is the explosive view of another structure of the utility model embodiment 1.
Fig. 5 is the hinge opening procedure schematic diagram of the utility model embodiment 1,2.
Fig. 6 is a kind of cooperation schematic diagram of 1 intermediate plate of embodiment and axis.
Fig. 7 is another cooperation schematic diagram of 1 intermediate plate of embodiment and axis.
Fig. 8 is the explosive view of the utility model embodiment 2.
Fig. 9 is the cutaway view Amplified image of the friction structure of the utility model embodiment 2.
Figure 10 is a kind of set-up mode schematic diagram of 2 disc spring piece of embodiment.
Figure 11 is another set-up mode schematic diagram of 2 disc spring piece of embodiment.
Specific embodiment
Referring to attached drawing 1-7, embodiment 1.Low torque friction hinge provided by the utility model, including 1 He of the first connecting plate
Second connecting plate 2, the first connecting plate 1 and the second connecting plate 2 are the interconnecting pieces being hingedly mounted on its applied electronic product
Part.First connecting plate 1 and the second connecting plate 2 are respectively provided with rotation connection side, and the first connecting plate 1 and the second connecting plate 2 are rotating
Connecting side is rotatablely connected.Connecting plate in above-described first connecting plate, the second connecting plate refers to slim component, can
To be the structures such as entire plate or frame, can be planar or arc have bending or have a raised structure,
As long as overall orientation is thin.
First connecting plate 1 and the second connecting plate 2 are arc panel, and when hinge is in closure, the first connecting plate 1 and second
The linking of connecting plate 2 is continuous cambered surface.
First connecting plate 1 and the second connecting plate 2 have in their rotation connection side is embedded in the convex key cooperated and groove,
In the present embodiment, the rotation connection side of second connecting plate 2 has a convex key 20, and the rotation of first connecting plate 1 connects
Connecing side has the groove 10 cooperated with the insertion of one convex key 20 of the second connecting plate.The quantity of groove and convex key according to
The variation of size can change, but be traditionally arranged to be one.
Friction structure is provided between the convex key 20 and the cell wall 11 of the groove, the friction structure provides first
Resistance when connecting plate and the second connecting plate relatively rotate is provided with sheet friction member 3, the convex key in the friction structure
The cell wall 11 of 20 end and/or the groove is provided with the hole 30 of accommodating sheet friction member 3.Sheet friction member 3 can
Lesser frictional force is provided, and can be increased piecewise if necessary to adjust, certain operating handle can either be provided, and be unlikely to
Torque is too big and reaches the degree for stopping operating position at any time at any time, and small in size, can be placed in the end of the convex key 20
In the hole 30 of the cell wall 11 of portion and/or the groove.The outer diameter of the ring of the utility model sheet friction member 3 can accomplish only have
1.9mm, always small with space, the friction structure of the utility model is highly suitable for smaller lighter more small-sized than laptop
Electronic product is used as operating handle is provided.
In the present embodiment, frictional fit is carried out using the hole wall of sheet friction plate.The rotation connection of first connecting plate 1
The hole 30 of side fixed connection shaft 4, the accommodating sheet friction member is arranged on second connecting plate, sheet friction portion
Part 3 is fixed in the hole 30, the sheet friction member 3 have ring 31, ring 31 opening 35 and have elasticity, when axis 4 be inserted into
After in ring 31 after the sheet friction member 3, ring 31 is deformed and generates radial pressure and clamping engagement to axis 4, benefit
Frictional fit is carried out with the inner wall (the i.e. described hole wall) of ring and axis, friction torque is generated, aforesaid operations feel is provided.Such as Fig. 6,7
Shown, as needed frictional resistance torque, the quantity of sheet friction member 3 can be one or more pieces, to adjust to needs
Feel.
It can be 1 fixed connection shaft 4 of the first connecting plate, and the second connecting plate 2 connects sheet friction member 3 or second
2 fixed connection shaft 4 of connecting plate, and the first connecting plate 1 connects sheet friction member 3；It, can also the first company if axis 4 is segmentation
4 other side of side fixed connection shaft of fishplate bar connects sheet friction member 3, and the side of the second connecting plate 2 connects sheet friction
Component 3 and other side fixed connection shaft 4.
In the present embodiment, the axis hole 41,42 of the axis 4, the axis is respectively set in the cell wall 11 of the groove and key 20
Hole 41 is through-hole, and accommodating sheet friction portion is arranged in the end of one convex key 20 of second connecting plate around axis hole 42
The hole 30 of part, axis 4 are fixedly connected with axis hole 41.As shown in Figure 3,4, axis 4 can be one whole, be also possible to be divided into two sections and each
It is fixedly connected with the axis hole 41 of side.
The sheet friction member 3 further includes positioning shank 32, and the hole 30 has and positioning shank 32 cooperation
Locating slot 33, so that sheet friction member 3 be made to connect by the way of anti-rotation positioning with hole 30, sheet friction member 3 can also be adopted
It is connected in hole 30 with modes such as card, local interference, and becomes the entirety moved synchronously with the second connecting plate 2.
The sheet friction member 3 can be metal plate punching part.
Fig. 5 shows the process of the opening of the hinge.
Referring to attached drawing 5,8-11, embodiment 2.Another embodiment is provided to friction structure in the present embodiment.
Sheet friction member 3 is disc spring piece or the friction plate supported by elastomeric element, and 3 sets of the sheet friction member is in institute
It states on the axis 4 of hinge, and is compressed by the bottom 34 in the cell wall of the groove 12 and the hole 30, and the slot with the groove
The friction structure is formed on the bottom 34 in wall 12 and the hole 30, and the axis 4 can be with the first connecting plate 1 and the second connecting plate 2
It is loop relationship, or only with one of them in the first connecting plate 1 and the second connecting plate 2 is loop relationship.
Sheet friction element is placed in hole 30 or is fixedly connected in hole 30 in which can be clearance fit.
In the present embodiment, using sheet friction element 3 end face (top surface and/or bottom surface) carry out frictional fit, as Fig. 9,
Shown in 10, when sheet friction element 3 is using a piece of disc spring film and clearance fit be placed in hole 30, disc spring film
The bottom 34 of the cell wall 12 and the hole 30 of top and bottom and groove generates frictional fit, otherwise only top surface and the groove
Cell wall 12 generate frictional fit.
As shown in figure 11, when needing to adjust feel, when the disc spring piece of three pieces or more is set, the top surface of first disc spring piece or
There are also the bottom surfaces of last a piece of disc spring piece can play above-mentioned rubbing action by person, as friction plate, and interjacent disc spring piece
Then play the role of the elastomeric element supported to friction plate.
Disc spring film can also be metal plate punching piece, assemble rear disc spring film and generate elasticity change after axial direction is compressed
Shape generates friction on end face and provides frictional force.
Similarly, the outer diameter of the disc spring film 3 in the present embodiment can accomplish only 1.9mm, always small with space.
The other parts and embodiment 1 of the present embodiment are identical.
The low torque friction hinge of the utility model is highly suitable for such as wearable device (such as wrist-watch, helmet, wireless
Earphone box etc.. ..), the low torques equipment such as 3C consumption electronic product, the feel for more preferably adapting to this equipment operation is provided.
The foregoing is merely the structure features of specific embodiment of the utility model, but the utility model to be not limited to
This, in the field of the utility model, made changes or modifications all cover practical new at this any those skilled in the art
Among the protection scope of type.
Claims (9)
1. a kind of low torque friction hinge, including the first connecting plate and the second connecting plate, it is characterised in that the first connecting plate and
Two connecting plates, which are respectively provided with rotation connection side, the first connecting plate and the second connecting plate, in their rotation connection side there is insertion to match
The convex key and groove of conjunction, and friction structure is provided between the convex key and the cell wall of the groove, the friction structure mentions
Resistance when relatively rotating for the first connecting plate and the second connecting plate is provided with sheet friction member, institute in the friction structure
The cell wall of the end and/or the groove of stating convex key is provided with the hole for accommodating the sheet friction member.
2. a kind of low torque friction hinge as described in claim 1, it is characterised in that the rotation connection of first connecting plate
The hole of side fixed connection shaft, the accommodating sheet friction member is arranged on second connecting plate, the sheet friction member
It is fixed that the sheet friction member has the ring of opening in the hole, and using the elasticity of the ring and with the axis clamping
Cooperation.
3. a kind of low torque friction hinge as claimed in claim 2, it is characterised in that the sheet friction member further includes fixed
Position shank, the hole have the locating slot with the positioning handle mate.
4. a kind of low torque friction hinge as claimed in claim 2, it is characterised in that the rotation connection of second connecting plate
Side has a convex key, and the rotation connection side of first connecting plate has matches with the insertion of one convex key of the second connecting plate
The axis hole of the axis is arranged in the groove closed, the cell wall of the groove and one convex key, and the axis hole on the cell wall is
Through-hole, setting accommodating sheet friction member around the axis hole of the end of one convex key of second connecting plate on it
Hole.
5. a kind of low torque friction hinge as described in claim 1, it is characterised in that the sheet friction member is disc spring piece,
The sheet friction member covers on the axis of the hinge, and is pressed between the first connecting plate and the second connecting plate, and
The component contacted with it forms the friction structure, and the component of the contact is the first connecting plate and/or the second connecting plate
A part or the component being fixedly connected.
6. a kind of low torque friction hinge as described in claim 1, it is characterised in that the sheet friction member is friction plate,
And supported by elastomeric element, the sheet friction member covers on the axis of the hinge, and be pressed in the first connecting plate and
Between second connecting plate, and the component contacted with it forms the friction structure, and the component of the contact is the first connecting plate
And/or second connecting plate a part or the component that is fixedly connected.
7. such as a kind of low torque friction hinge described in claim 5 or 6, it is characterised in that the rotation of second connecting plate connects
Side is connect with a convex key, the rotation connection side of first connecting plate has to be embedded in one convex key of the second connecting plate
The axis hole of the axis, the axis hole on the cell wall is arranged in one groove of cooperation, the cell wall of the groove and one convex key
For through-hole, setting accommodating sheet friction member around the axis hole of the end of one convex key of second connecting plate on it
Hole；
The disc spring piece is pressed by the friction plate that elastomeric element supports by the bottom of the cell wall of the groove and/or the hole
Tightly, the friction structure is formed with the bottom of the cell wall of the groove and/or the hole.
8. a kind of low torque friction hinge as described in claim 1, it is characterised in that the sheet friction member is metal plate punching
Casting die.
9. a kind of low torque friction hinge as described in claim 1,2,3,4,5,6 or 8, it is characterised in that the first connecting plate and
Second connecting plate is arc panel, and when hinge is in closure, and the first connecting plate and the linking of the second connecting plate are continuous cambered surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820384105.5U CN208330973U (en) | 2018-03-21 | 2018-03-21 | A kind of low torque friction hinge |
| PCT/CN2019/078439 WO2019179385A1 (en) | 2018-03-21 | 2019-03-18 | Low torque friction hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820384105.5U CN208330973U (en) | 2018-03-21 | 2018-03-21 | A kind of low torque friction hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330973U true CN208330973U (en) | 2019-01-04 |
Family
ID=64783203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820384105.5U Expired - Fee Related CN208330973U (en) | 2018-03-21 | 2018-03-21 | A kind of low torque friction hinge |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208330973U (en) |
| WO (1) | WO2019179385A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019179385A1 (en) * | 2018-03-21 | 2019-09-26 | 杭州安费诺飞凤通信部品有限公司 | Low torque friction hinge |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11530561B2 (en) * | 2020-05-13 | 2022-12-20 | Microsoft Technology Licensing, Llc | Variable friction hinged device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697125A (en) * | 1995-11-27 | 1997-12-16 | Reell Precision Manufacturing Corporation | Clip friction hinge |
| US8245356B2 (en) * | 2010-03-26 | 2012-08-21 | Shin Zu Shing Co., Ltd. | Hinge with spacers |
| TWI550175B (en) * | 2011-01-01 | 2016-09-21 | 南柯有限公司 | Detent hinge |
| JP2012211629A (en) * | 2011-03-31 | 2012-11-01 | Katoh Electrical Machinery Co Ltd | Tilt hinge, and electronic apparatus with the same |
| CN105637243B (en) * | 2013-11-01 | 2017-12-15 | 世嘉智尼工业株式会社 | Hinge apparatus |
| CN208330973U (en) * | 2018-03-21 | 2019-01-04 | 杭州安费诺飞凤通信部品有限公司 | A kind of low torque friction hinge |
-
2018
- 2018-03-21 CN CN201820384105.5U patent/CN208330973U/en not_active Expired - Fee Related
-
2019
- 2019-03-18 WO PCT/CN2019/078439 patent/WO2019179385A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019179385A1 (en) * | 2018-03-21 | 2019-09-26 | 杭州安费诺飞凤通信部品有限公司 | Low torque friction hinge |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019179385A1 (en) | 2019-09-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |