CN202504764U - Seat arm rest mechanical gravity return latch hook structure - Google Patents
Seat arm rest mechanical gravity return latch hook structure Download PDFInfo
- Publication number
- CN202504764U CN202504764U CN2012201133242U CN201220113324U CN202504764U CN 202504764 U CN202504764 U CN 202504764U CN 2012201133242 U CN2012201133242 U CN 2012201133242U CN 201220113324 U CN201220113324 U CN 201220113324U CN 202504764 U CN202504764 U CN 202504764U
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- CN
- China
- Prior art keywords
- latch hook
- connecting rod
- gravity
- groove
- backrest
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- Withdrawn - After Issue
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Abstract
The utility model discloses a seat arm rest mechanical gravity return latch hook structure. The seat arm rest mechanical gravity return latch hook structure comprises a gravity latch hook which is hinged on a backrest framework and a groove which is arranged on a connecting rod of an arm rest framework. In the process of the backrest framework turning to a sitting state from a cushion, the gravity latch hook depends on the gravity of the gravity latch hook to produce a deflection angle toward the direction of the connecting rod of the arm rest framework, a hook portion of the gravity latch hook is hooked in the groove of the connecting rod of the arm rest framework, and therefore an arm rest support is turned together along with the backrest framework. In the process of the arm rest support turning to a vertical state along with the backrest framework, the gravity latch hook depends on the gravity of the gravity latch hook to produce a deflection angle away from the direction of connecting rod of the arm rest framework, and therefore the hook portion of the gravity latch hook is pulled away from the groove of the connecting rod of the arm rest framework. And when the backrest framework turns on the cushion along with the arm rest support, the gravity latch hook depends on squeezing of the connecting rod of the arm rest framework, and the hook portion of the gravity latch hook is pulled away from the groove of the connecting rod of the arm rest framework. The seat arm rest mechanical gravity return latch hook structure solves the problem that an arm rest can not turn to a sitting state along with a backrest because the arm rest is too heavy in the prior art.
Description
Technical field
The utility model relates to the seat technical field, particularly a kind of armrest mechanical gravity latch hook structure that resets.This utility model has solved handrail in backrest turnover process, and handrail is because the too heavy problem that can't follow the backrest reposition.
Background technology
Armrest is a topmost part in the seat; Referring to Fig. 1, armrest support 4 is connected on the backrest skeleton 1 through handrail skeleton connecting rod 2,2a, but for the seat of overturning formula; In backrest skeleton 1 lodging in 5 last times of cushion; Handrail 4 also lodges on cushion 5 thereupon, and turns over when taking state at backrest skeleton 1, handrail 4 also thereupon upset return.But along with the consumer is increasingly high for the seat requirement, handrail 4 develops to more luxurious direction gradually.Integrated system is more and more on handrail 4, causes the weight of handrail 4 more and more heavier, but when overweight handrail 4 is applied in the seat of overturning formula; Can have a problem: after backrest skeleton 1 was translated into to the cushion 5, reposition again was because handrail 4 is too heavy; Handrail 4 is not followed backrest skeleton 1 and is returned; But stay on the cushion 5, need cause consumer's complaint with handrail 4 usefulness handsprings to the backrest place.
The utility model content
The utility model technical problem to be solved is; To present overweight handrail; Can't provide a kind of with the problem that backrest turn to the state of taking can turn to when taking state at backrest, handrail also can turn to the state of taking under the drive of backrest the armrest mechanical gravity latch hook structure that resets.
The utility model technical problem to be solved can realize through following technical scheme:
A kind of armrest mechanical gravity latch hook structure that resets; Comprise a handrail skeleton connecting rod; One end of this handrail skeleton connecting rod is articulated on the backrest skeleton, and the other end is hinged on the said armrest support, it is characterized in that; Comprise that also one is hinged on the gravity latch hook on the said backrest skeleton, and on said handrail skeleton connecting rod, be provided with one and collude groove; Turn to by cushion at said backrest skeleton and to take in the state procedure; Said gravity latch hook relies on the gravity of self to produce the deflection angle to handrail skeleton connecting rod direction; Make the hook portion of its gravity latch hook hook into colluding in the groove of said handrail skeleton connecting rod, carry said armrest support and overturn with the backrest skeleton in the lump; When said armrest support overturn plumbness with the backrest skeleton, said gravity latch hook relied on the gravity of self to produce a deflection angle that deviates from handrail skeleton connecting rod direction, and the hook portion that makes the gravity latch hook is colluded in the groove by said handrail skeleton connecting rod; When the backrest skeleton carried armrest support and turn on the cushion, said gravity latch hook relied on handrail skeleton connecting rod to bear against effect, and the hook portion that makes the gravity latch hook is colluded in the groove by said handrail skeleton connecting rod.
In a preferred embodiment of the utility model; The groove that colludes on the said handrail skeleton connecting rod is turn to by cushion at the backrest skeleton and takes that to collude groove face with the hook portion of gravity latch hook contacted first in the state procedure be the plane; With said first collude groove face and constitute and saidly collude second of groove to collude groove face be cambered surface, on the said handrail skeleton connecting rod collude groove collude groove angle position acute angle; Corresponding with it; The hook portion of said gravity latch hook the backrest skeleton by cushion turn to take in the state procedure with first collude that groove face is meshed first collude face and also be the plane, and with said first collude face and constitute second of said gravity latch hook hook portion and collude face and first and collude face and be certain acute angle.
In a preferred embodiment of the utility model; Said backrest skeleton carries armrest support and makes progress in the switching process; Become the angle of one 0 °＜α＜25 ° between said armrest support and the said backrest skeleton, said angle is the anglec of rotation that said gravity latch hook release is reserved.When helping armrest support like this and upwards overturning plumbness, when returning, can not blocked by the backrest skeleton by self gravitation.Because the rotation of armrest support, the armrest support connecting rod just can rotate.
Said armrest support was meant overturn plumbness and form the angle of one 0 °＜β＜25 ° with the perpendicular bisector of whole seat of said armrest support when overturning plumbness with the backrest skeleton; Armrest support is because self gravitation can be slight toward backrest direction rotation (the non-direction of opening) like this; This moment, the gravity latch hook relied on the gravity of self to produce a deflection angle that deviates from handrail skeleton connecting rod direction, and the hook portion that makes the gravity latch hook is colluded in the groove by said handrail skeleton connecting rod; When the backrest skeleton is translated into when taking state, handrail is because foaming, and frictional force such as face cover can't turn back in the handrail groove of backrest skeleton, this moment need handrail groove with hand push to backrest in.
Owing to adopted technical scheme as above; The utility model is through increasing by a gravity latch hook and on handrail skeleton connecting rod, setting up one and collude groove; Solved in the prior art because of handrail is too heavy, handrail can't turn to the problem of the state of taking with backrest, has advantage of simple structure.
Description of drawings
Fig. 1 is the handrail of existing seat and the annexation sketch map between the backrest skeleton.
Fig. 2 is the reset exploded perspective view of latch hook structure of the utility model armrest mechanical gravity.
Fig. 3 is in the position view between the gravity latch hook and armrest support connecting rod when taking state for the utility model backrest skeleton.
Position view when Fig. 4 is poured on the cushion for the utility model backrest skeleton between gravity latch hook and the armrest support connecting rod.
Fig. 5 is the local enlarged diagram in I place of Fig. 4.
Fig. 6 takes the position view between the gravity latch hook and armrest support connecting rod in the state procedure for the utility model backrest skeleton is turn to by cushion.
Fig. 7 is the local enlarged diagram in I place of Fig. 6.
Position view when Fig. 8 turn to plumbness for the utility model armrest support with the backrest skeleton between gravity latch hook and the armrest support connecting rod.
Fig. 9 is the local enlarged diagram in I place of Fig. 8.
The movement relation sketch map of each part when Figure 10 turn to plumbness for the utility model armrest support with the backrest skeleton.
When Figure 11 took state for the utility model is in, the position concerned sketch map between armrest support and the backrest skeleton.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 2; Provided the reset concrete structure of latch hook of a kind of armrest mechanical gravity among the figure; This armrest mechanical gravity latch hook structure that resets comprises a handrail skeleton connecting rod 100 and a gravity latch hook 300; One end of this handrail skeleton connecting rod 100 through band shoulder rivet 110 be articulated in backrest skeleton 200 on, the other end is hinged on the armrest support 400, on handrail skeleton connecting rod 100, is provided with one and colludes groove 120.This groove angle that colludes that colludes groove 120 is an acute angle, and the individual groove face 121 that colludes of one of which is the plane, and another colludes groove face 122 and is cambered surface.
The hinged end of gravity latch hook 300 through band shoulder rivet 310 be articulated in backrest skeleton 200 on; As can beappreciated from fig. 2; The position of band shoulder rivet 310 is lower than the position of band shoulder rivet 110, and the free end of gravity latch hook 300 has a hook portion 320, the hook face 321 and 322 that it is acute angle that hook portion 320 has two angles; Wherein hook face 321 is the plane, and hook face 322 relative hook faces 321 are the inclined-plane.
The reset operation principle of latch hook structure of the armrest mechanical gravity that specifies the utility model through Fig. 3 to Figure 11 below.
Referring to Fig. 3; Be in when taking state at backrest skeleton 200; Armrest support 400 is to be in the handrail groove of backrest skeleton 200, and at this moment gravity latch hook 300 is under the self gravitation effect, and strip winding shoulder rivet 310 is outwards swung; Make hook portion 320 from armrest support connecting rod 100 collude the groove 120, at this moment armrest support 400 can turn near level downwards.
Referring to Fig. 4 and Fig. 5; Turn to 500 last times of cushion at backrest skeleton 200; Armrest support 400 also turn on the cushion 500 thereupon; At this moment the hook face 322 of gravity latch hook 300 receives the extruding of colluding groove face 122 on the armrest support connecting rod 100, and gravity latch hook 300 can move by strip winding shoulder rivet 310 backward, and hook portion 320 colludes the groove 120 from armrest support connecting rod 100.
Referring to Fig. 6 and Fig. 7, when backrest skeleton 200 is upwards dug on by cushion 500, because handrail is heavier; Armrest support 400 is under the effect of self gravitation G; Have a tendency that moves downward, at this moment, gravity latch hook 300 is under the gravity effect; Can travel forward by strip winding shoulder rivet 310; The hook portion 320 of gravity latch hook 300 hooks into colluding in the groove 120 on the armrest support connecting rod 100, and hook face on the hook portion 320 321 relies on the frictional force engagement with the groove face 121 that colludes that colludes on the groove 120, and backrest skeleton 200 makes progress on by cushion 500 in the switching process like this; Under the acting in conjunction of gravity latch hook 300 and armrest support connecting rod 100, can carry armrest support 400 together by upwards digging on the cushion 500.Therefore armrest support 400 can not stayed on the cushion 500 together with handrail, and it is too heavy because of handrail to have solved existing in prior technology, and handrail can't turn to the problem of the state of taking with backrest.And backrest skeleton 200 carries armrest support 400 upwards in the switching process, becomes the angle of one 0 °＜α＜25 ° between armrest support 400 and the backrest skeleton 200, and this angle is the anglec of rotation of said gravity latch hook release reservation.When helping armrest support 400 like this and upwards overturning plumbness, when returning, can not blocked by backrest skeleton 200 by self gravitation.Because the rotation of armrest support 400, armrest support connecting rod 100 just can rotate.
Referring to Fig. 8 and Fig. 9; When armrest support 400 upwards turn to plumbness in company with backrest skeleton 200 by cushion 500; Because the gravity of gravity latch hook 300 is greater than the hook face 321 on the hook portion 320 and collude the engaging friction power between the groove face 121 of colluding on the groove 120; Gravity latch hook 300 is under the self gravitation effect, and strip winding shoulder rivet 310 overturns downwards, makes hook portion 320 collude the groove 120 from armrest support connecting rod 100; At this moment in armrest support 400 can overturn the handrail groove that snaps into backrest skeleton 200 counterclockwise, also can turn near level downwards.
Referring to Figure 10; When backrest skeleton 200 connection armrest supports 400 upwards overturn plumbness by the contrary pointer of cushion; Gravity latch hook 300 is under the self gravitation effect; Strip winding shoulder rivet 310 clockwise directions upset down makes hook portion 320 deviate from the groove 120 from colluding of armrest support connecting rod 100, and armrest support 400 is when continuing in the handrail groove that contrary pointer upset enters into backrest skeleton 200; Armrest support connecting rod 100 can be takeed on rivet 110 turning anticlockwises by strip winding, but can not make hook portion 320 collude colluding in the groove 120 of armrest support connecting rod 100.
Referring to Figure 11; As a rule, backrest skeleton 200 is in when taking state, has one 23 °～25 ° angle between itself and the perpendicular bisector 600; Therefore; When armrest support 400 overturn plumbness with backrest skeleton 200, overturn plumbness and form the angle of one 0 °＜β＜25 ° of armrest support 400 with the perpendicular bisector of whole seat 600, armrest support 400 is because self gravitation can slightly rotate (the non-direction of opening) toward the backrest direction like this; This moment, the gravity latch hook 300 relied on the gravity of self to produce a deflection angle that deviates from handrail skeleton connecting rod 100 directions, and the hook portion that makes gravity latch hook 300 is colluded in the groove by handrail skeleton connecting rod 100; When backrest skeleton 200 is translated into when taking state, handrail is because foaming, and frictional force such as face cover can't turn back in the handrail groove of backrest skeleton 200, this moment need handrail groove with hand push to backrest in.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (4)
1. armrest mechanical gravity latch hook structure that resets; Comprise a handrail skeleton connecting rod; One end of this handrail skeleton connecting rod is articulated on the backrest skeleton, and the other end is hinged on the said armrest support, it is characterized in that; Comprise that also one is hinged on the gravity latch hook on the said backrest skeleton, and on said handrail skeleton connecting rod, be provided with one and collude groove; Turn to by cushion at said backrest skeleton and to take in the state procedure; Said gravity latch hook relies on the gravity of self to produce the deflection angle to handrail skeleton connecting rod direction; Make the hook portion of gravity latch hook hook into colluding in the groove of said handrail skeleton connecting rod, carry said armrest support and overturn with the backrest skeleton in the lump; When said armrest support overturn plumbness with the backrest skeleton, said gravity latch hook relied on the gravity of self to produce a deflection angle that deviates from handrail skeleton connecting rod direction, and the hook portion that makes the gravity latch hook is colluded in the groove by said handrail skeleton connecting rod; When the backrest skeleton carried armrest support and turn on the cushion, said gravity latch hook relied on handrail skeleton connecting rod to bear against effect, and the hook portion that makes the gravity latch hook is colluded in the groove by said handrail skeleton connecting rod.
2. the armrest mechanical gravity as claimed in claim 1 latch hook structure that resets; It is characterized in that; The groove that colludes on the said handrail skeleton connecting rod is turn to by cushion at the backrest skeleton and takes that to collude groove face with the hook portion of gravity latch hook contacted first in the state procedure be the plane; With said first collude groove face and constitute and saidly collude second of groove to collude groove face be cambered surface, the groove angle that colludes that colludes groove on the said handrail skeleton connecting rod is an acute angle; Corresponding with it; The hook portion of said gravity latch hook the backrest skeleton by cushion turn to take in the state procedure with first collude that groove face is meshed first collude face and also be the plane, and with said first collude face and constitute second of said gravity latch hook hook portion and collude face and first and collude face and be certain acute angle.
3. according to claim 1 or claim 2 the armrest mechanical gravity latch hook structure that resets; It is characterized in that; Said backrest skeleton carries armrest support and makes progress in the switching process; Become the angle of one 0 °＜α＜25 ° between said armrest support and the said backrest skeleton, said angle is the anglec of rotation that said gravity latch hook release is reserved.
4. according to claim 1 or claim 2 the armrest mechanical gravity latch hook structure that resets; It is characterized in that; Said armrest support was meant overturn plumbness and form the angle of one 0 °＜β＜25 ° with the perpendicular bisector of whole seat of said armrest support when overturning plumbness with the backrest skeleton; Armrest support is because self gravitation can be slight toward the rotation of backrest direction like this; This moment, the gravity latch hook relied on the gravity of self to produce a deflection angle that deviates from handrail skeleton connecting rod direction, and the hook portion that makes the gravity latch hook is colluded in the groove by said handrail skeleton connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201133242U CN202504764U (en) | 2012-03-22 | 2012-03-22 | Seat arm rest mechanical gravity return latch hook structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201133242U CN202504764U (en) | 2012-03-22 | 2012-03-22 | Seat arm rest mechanical gravity return latch hook structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202504764U true CN202504764U (en) | 2012-10-31 |
Family
ID=47057278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201133242U Withdrawn - After Issue CN202504764U (en) | 2012-03-22 | 2012-03-22 | Seat arm rest mechanical gravity return latch hook structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202504764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103315552A (en) * | 2012-03-22 | 2013-09-25 | 上海延锋江森座椅有限公司 | Seat armrest mechanical gravity reset lock hook structure |
-
2012
- 2012-03-22 CN CN2012201133242U patent/CN202504764U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103315552A (en) * | 2012-03-22 | 2013-09-25 | 上海延锋江森座椅有限公司 | Seat armrest mechanical gravity reset lock hook structure |
| CN103315552B (en) * | 2012-03-22 | 2015-07-29 | 上海延锋江森座椅有限公司 | A kind of seat armrest mechanical gravity reset lock hook structure |
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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: 20121031 Effective date of abandoning: 20150729 |
|
| RGAV | Abandon patent right to avoid regrant |