CN207803881U - A kind of multi gear high-precision sofa hinge - Google Patents
A kind of multi gear high-precision sofa hinge Download PDFInfo
- Publication number
- CN207803881U CN207803881U CN201720959768.0U CN201720959768U CN207803881U CN 207803881 U CN207803881 U CN 207803881U CN 201720959768 U CN201720959768 U CN 201720959768U CN 207803881 U CN207803881 U CN 207803881U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- scotch
- shrapnel
- pawl
- protrusion
- 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
Abstract
The utility model discloses a kind of multi gear high-precision sofa hinges, including the interior connector equipped with ratchet mechanism, the ratchet mechanism includes ratchet and pawl, including the scotch and shrapnel being movably connected in connector, the pawl at least there are three and be arranged in the downside of scotch, shrapnel chamber is provided in the connector, the shrapnel is arranged withstands the cavity wall of shrapnel chamber at the both ends of shrapnel intracavitary and shrapnel, the upside that scotch is pushed down in the middle part of the shrapnel forces the ratchet engagement on the pawl and ratchet on the downside of scotch.The utility model forces the ratchet engagement on pawl and ratchet on the downside of scotch using shrapnel, its structure is more simple and occupies little space, convenient for arranging larger sized scotch, more pawls can be set on the downside of scotch, more ratchets can be set on the periphery of the ratchet of same length, the gear of adjusting is increased, the adjusting of minute angle can be realized after enabling the two engage, realizes that high-precision is adjusted.
Description
Technical field
The utility model is related to a kind of hinges, and in particular to a kind of multi gear high-precision sofa hinge.
Background technology
In order to enable a consumer to possess more comfortable experience, present sofa mostly uses the design of angle adjustable, should
Design is that the hinge of adjustable-angle is arranged between sofa ontology and headrest, and this sofa hinge generally comprises：Fixing bracket,
Rotating bracket and connector are provided with ratchet mechanism and toggle mechanism in connector, and fixing bracket and rotating bracket pass through ratchet
Mechanism is rotatably coupled to together, and wherein fixing bracket is fixedly connected with connector main body, rotating bracket and ratchet mechanism
Ratchet is fixedly connected, and realizes that rotating bracket is relatively fixed the unidirectional rotation of holder and can be fixed on a certain angle, and stirs machine
Structure, which can stir pawl, enables it be detached with ratchet, realizes reversion.Only there are one protruding ends for the pawl of the ratchet mechanism of existing hinge, use
In the ratchet for withstanding ratchet, to ensure stopping effect, the protruding end of pawl and the ratchet of ratchet are required for larger size, cause
The gear that the negligible amounts of ratchet, the i.e. hinge are adjusted is less, cannot achieve the adjusting of minute angle, precision is poor.
Utility model content
In order to solve the problems existing in the prior art, the utility model provides that a kind of gear is more, sofa hinge with high accuracy.
The utility model technical scheme applied to solve the technical problem is：
A kind of multi gear high-precision sofa hinge, including the interior connector equipped with ratchet mechanism, the ratchet mechanism include spine
Wheel and pawl, including the scotch and shrapnel that are movably connected in connector, the pawl at least there are three and be arranged only
The downside of motion block is provided with shrapnel chamber in the connector, and the shrapnel is arranged to be withstood at the both ends of shrapnel intracavitary and shrapnel
The cavity wall of shrapnel chamber pushes down the upside of scotch in the middle part of the shrapnel, forces the spine on the pawl and ratchet on the downside of scotch
Tooth engagement.
As being further improved for said program, the scotch chamber for placing scotch is provided in the connector,
The scotch chamber is provided with engagement position and separation position, and spaced apart on periphery be respectively set is provided on the ratchet
There are a protrusion I and protrusion II, the ratchet of the ratchet is arranged between protrusion I and protrusion II, and the protrusion I can be with
Ratchet wheel enables pawl be detached with the ratchet of ratchet to pushing scotch to be moved to separation position from engagement position；The protrusion II
The ratchet engagement of pawl and ratchet can be enabled with ratchet wheel to pushing scotch to be moved from split displacement to engagement position.
As being further improved for said program, close to ratchet, the separation position is described to nibble far from ratchet for the engagement position
It closes and is provided with chamfered transition between position and separation position.
The utility model has the beneficial effects that：Shrapnel chamber is arranged in connector and is put in shrapnel intracavitary for the utility model
Shrapnel is set, the ratchet engagement on pawl and ratchet on the downside of scotch is forced using shrapnel, which compares conventionally employed torsional spring
Or other type springs make the form of pawl and ratchet engagement, structure is more simple and occupies little space, convenient for arrangement
Larger sized scotch, scotch downside can be arranged more pawls, due to increasing the quantity of pawl, utilize more spine
Ratchet engagement on pawl and ratchet, the smaller that the size of pawl can be arranged, the ratchet size of corresponding ratchet also smaller, same
More ratchets can be set on the periphery of the ratchet of sample length, increase the gear of adjusting, can be realized after enabling the two engage micro-
The adjusting of low-angle realizes that high-precision is adjusted.
Description of the drawings
The utility model is further illustrated with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the internal structure schematic diagram of the utility model；
Fig. 3 is the internal structure schematic diagram of the connector of the utility model.
Specific implementation mode
The technique effect of the design of the invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing
Clear, complete description, to be completely understood by the purpose, feature and effect of the invention.Each skill in the invention
Art feature, can combination of interactions in the case of not contradiction.
Referring to figs. 1 to 3, a kind of multi gear high-precision sofa hinge, including the interior connector 1 equipped with ratchet mechanism, the spine
It includes ratchet 2 and pawl 3 to take turns mechanism, it is characterised in that：Including the scotch 4 being movably connected in connector 1 and shrapnel 5, institute
State pawl 3 at least there are three and be arranged in the downside of scotch 4, the connector 1 and be provided with shrapnel chamber 11, the shrapnel
5 are arranged the cavity wall that shrapnel chamber 11 is withstood at interior in shrapnel chamber 11 and shrapnel 5 both ends, and scotch 4 is pushed down at the middle part of the shrapnel 5
Upside, the pawl 3 for forcing the downside of scotch 4 and the ratchet engagement on ratchet 2.More pawls 3 and spine are utilized in the structure
Tooth engagement can be by the smaller of the size design of pawl 3 and ratchet, after enabling the two engagement in the case where ensureing necessary structural strength
It can realize the adjusting of minute angle, gear is more, and precision higher, the pawl is no less than three, and five or five are arranged in practice
More than, while traditional toggle mechanism can be used in the design, and pawl 3 and ratchet is enabled to detach if necessary, realizes the reversion of ratchet.
In further improved embodiment, the scotch chamber 12 for placing scotch 4 is provided in the connector 1,
The scotch chamber 12 is provided with engagement position 121 and separation position 122, is provided on periphery on the ratchet 2 and is spaced a spacing
From protrusion I21 and protrusion II22 is respectively arranged with, the ratchet of the ratchet 2 is arranged in protrusion I21 and protrusion II22
Between, the protrusion I21 can be turned to ratchet 2 pushes scotch 4 to be moved to separation position 122 from engagement position 121, enables pawl
3 detach with the ratchet of ratchet 2；The protrusion II22 can be turned to ratchet 2 pushes scotch 4 to be moved to from separation position 122
Position 121 is engaged, the ratchet engagement of pawl 3 and ratchet 2 is enabled.In this configuration, when scotch 4 is in engagement position 121, pawl 3
With ratchet engagement, ratchet 2 at this moment can only one direction rotation, contacted with scotch 4 when ratchet 2 turns to protrusion I21, followed by
When continuous rotation, protrusion I21 can push scotch 4 to be moved to separation position 122, and pawl 3 is detached with ratchet, and ratchet 2 at this moment can
Negative direction rotates, and is contacted to protrusion II22 with scotch 4 after negative direction rotation, and being further continued for protrusion II22 when rotation can will stop
Motion block 4 from separation position 122 be pushed to engagement position 121, at this moment ratchet be restored to can only one direction rotation rotary head.In the design,
Rotating bracket turns to excessive angle, need readjustment when, only need to be rotated further rotating bracket to enable protrusion I21 promotion stop
Block 4 is moved to separation position 122, and i.e. rotatable after so that pawl 3 is detached with the ratchet of ratchet 2, revolution is pushed until protrusion II22
Scotch 4 resets to engagement position 121, you can readjusts required angle.The design avoids needing to design in traditional structure
Toggle mechanism makes the pawl 3 be detached with ratchet, further simplifies structure, is conducive to save space, convenient for arrangement bigger only
Motion block 4 and the more pawls 3 of setting, can further improve degree of regulation.
In addition, being further improved to above-described embodiment, close to ratchet 2, the separation position 122 is separate for the engagement position 121
Ratchet 2 is provided with chamfered transition between the engagement position 121 and separation position 122, and using chamfered transition, scotch 4 is protruded
When portion I21 is pushed, it can be moved to separation position 122 from engagement position 121 along inclined-plane, otherwise being pushed by protrusion II22 can be from separation position
122 are slipped to engagement position 121.
It should be noted that embodiment of above should be mentioned that some mechanism or the embodiment of component, due to some of them
Mechanism or component all have opposite independence and integrality in structure or function, therefore in the case of no contradiction, these
Mechanism or each embodiment of component are interchangeable to constitute new embodiment, these simple changes, only with basic
Identical means realize the purpose that the utility model is created, and should all belong to the scope of protection of the utility model.
Claims (3)
1. a kind of multi gear high-precision sofa hinge, including the interior connector equipped with ratchet mechanism（1）, the ratchet mechanism includes spine
Wheel（2）And pawl（3）, it is characterised in that：Including being movably connected in connector（1）Interior scotch（4）And shrapnel（5）, described
Pawl（3）There are three at least and it is arranged in scotch（4）Downside, the connector（1）Inside it is provided with shrapnel chamber（11）, institute
State shrapnel（5）It is arranged in shrapnel chamber（11）Interior and shrapnel（5）Both ends withstand shrapnel chamber（11）Cavity wall, the shrapnel（5）
Middle part push down scotch（4）Upside, force scotch（4）The pawl of downside（3）With ratchet（2）On ratchet engagement.
2. a kind of multi gear high-precision sofa hinge according to claim 1, it is characterised in that the connector（1）Interior setting
It is useful for placing scotch（4）Scotch chamber（12）, the scotch chamber（12）It is provided with engagement position（121）With separation position
（122）, the ratchet（2）On be provided with and spaced apart on periphery be respectively arranged with protrusion I（21）With protrusion II
（22）, the ratchet（2）Ratchet be arranged in protrusion I（21）With protrusion II（22）Between, the protrusion I（21）It can be with
Ratchet（2）Turn to promotion scotch（4）From engagement position（121）It is moved to separation position（122）, enable pawl（3）With ratchet（2）'s
Ratchet detaches；The protrusion II（22）It can be with ratchet（2）Turn to promotion scotch（4）From separation position（122）It is moved to and nibbles
Close position（121）, enable pawl（3）With ratchet（2）Ratchet engagement.
3. a kind of multi gear high-precision sofa hinge according to claim 2, it is characterised in that the engagement position（121）It is close
Ratchet（2）, the separation position（122）Far from ratchet（2）, the engagement position（121）With separation position（122）Between be provided with inclined-plane
Transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720959768.0U CN207803881U (en) | 2017-08-02 | 2017-08-02 | A kind of multi gear high-precision sofa hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720959768.0U CN207803881U (en) | 2017-08-02 | 2017-08-02 | A kind of multi gear high-precision sofa hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207803881U true CN207803881U (en) | 2018-09-04 |
Family
ID=63335708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720959768.0U Expired - Fee Related CN207803881U (en) | 2017-08-02 | 2017-08-02 | A kind of multi gear high-precision sofa hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207803881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450922A (en) * | 2019-08-12 | 2019-11-15 | 中国石油大学(华东) | A kind of hull support device and moulding bed |
-
2017
- 2017-08-02 CN CN201720959768.0U patent/CN207803881U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450922A (en) * | 2019-08-12 | 2019-11-15 | 中国石油大学(华东) | A kind of hull support device and moulding bed |
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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: 20180904 Termination date: 20200802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |