CN207772954U - Cantilevered handrail - Google Patents
Cantilevered handrail Download PDFInfo
- Publication number
- CN207772954U CN207772954U CN201721860946.0U CN201721860946U CN207772954U CN 207772954 U CN207772954 U CN 207772954U CN 201721860946 U CN201721860946 U CN 201721860946U CN 207772954 U CN207772954 U CN 207772954U
- Authority
- CN
- China
- Prior art keywords
- handrail
- thumb wheel
- bearing
- gravity component
- pawl
- 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.)
- Withdrawn - After Issue
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model discloses a kind of cantilevered handrail, handrail is mounted on backrest, there is gravity component and lockable mechanism in handrail, gravity component follows handrail to rotate, and handrail is located at obliquity, and gravity component unlocks lockable mechanism, handrail can be rotated towards horizontal position, handrail is horizontally situated, and gravity component locks lockable mechanism, and handrail is locked in horizontal position.Handrail is mounted on backrest by the cantilevered handrail of the utility model, it is constant by the spacing of dorso-humeral region and handrail to ensure, backrest is at any position of its front and back adjustion domain simultaneously, handrail is adjustable to horizontal position and locking so that the forearm of passenger can be always suitably to lean against apart from level on handrail.
Description
Technical field
The utility model is related to auto parts and components fields, more specifically to the armrest portion in auto parts and components
Part.
Background technology
The current various vehicles such as aircraft, train, automobile armrest there are mainly two types of：One is handrails and cushion
It is connected, can be rotated up and down and stops in horizontal position.When handrail is connected with cushion, if backrest wide-angle is overturn, that
Spacing by dorso-humeral region and handrail is variation, although handrail may remain in horizontal position, in wide-angle overturning
Farther out, comfort is bad for handrail distance under state.Another kind is that handrail is mounted on backrest, when handrail is mounted on backrest
When upper, although handrail can overturn with backrest and make the spacing by dorso-humeral region and handrail constant, due to handrail relative to
The adjusting limited angle that backrest is rotated up and down, when backrest wide-angle overturns backward, handrail can be upturned and nothing
Method is adjusted to horizontal position, and the both arms of passenger cannot be kept flat, and same comfort is also bad.
Therefore, from the point of view of passenger comfort, it is preferably formed with a kind of handrail, can be mounted on backrest, but no matter
When backrest is in normal position or wide-angle overturning, handrail can be adjusted to horizontal position, then passenger either lies low
It or positive seat, forearm always can flatly be leaned against on handrail with appropriately distance, comfort will be big so for passenger
It is big to improve.
Utility model content
The utility model is directed to one kind and is mounted on backrest, but can be helped in the cantilevered for being locked at horizontal position
Hand.
An embodiment according to the present utility model proposes that a kind of cantilevered handrail, handrail are mounted on backrest, handrail
In there is gravity component and lockable mechanism, gravity component follows handrail to rotate, and handrail is located at obliquity, and the unlock of gravity component is locked
Locking mechanism, handrail can be rotated towards horizontal position, and handrail is horizontally situated, and gravity component locks lockable mechanism, and handrail is locked up
In horizontal position.
In one embodiment, gravity component includes：Shell, ball support, gravitation ball and transfer bar mechanism.Ball restitope is in shell
Bottom has pit in ball support.Gravitation ball is placed in shell, and gravity component is rolled into horizontal position, gravitation ball in pit, weight
Power component rolls out pit in obliquity, gravitation ball.Transfer bar mechanism includes pusher bar support and is rotatably installed on pusher bar support
Push rod.Gravity component is in obliquity, and gravitation ball rolls out pit and jacks up push rod to disengaged position, and gravity component is in horizontal position
It sets, gravitation ball rolls into pit, and push rod is fallen after rise to occlusal position.
In one embodiment, lockable mechanism includes：Bearing, internal gear, thumb wheel and pawl.Axis is housed on bearing.Internal tooth
Ring gear and fitting groove are formed on plate, gravity component is mounted in fitting groove, the position of the position alignment ring gear of bearing, axis
It holds and is not contacted between ring gear.Thumb wheel is mounted on an axle, and thumb wheel does not follow shaft rotation dynamic, and the outer ring of thumb wheel is with teeth, thumb wheel it is straight
Diameter is more than the diameter of ring gear, and push rod is detached in disengaged position, push rod with the tooth on thumb wheel, without phase interaction between push rod and thumb wheel
With push rod is engaged in occlusal position, push rod with the tooth on thumb wheel, and push rod drives thumb wheel rotation.Pawl is mounted on thumb wheel and bearing
On, pawl is located in ring gear, and thumb wheel is detached in unlocked position, pawl with ring gear, and thumb wheel turns to lock position, pawl with
Ring gear is engaged, and the rotation of the position of ring gear fixed pawl, bearing is limited by pawl.
In one embodiment, bearing and thumb wheel are separately mounted to the both sides of internal gear, and bearing and thumb wheel are all directed at internal tooth
There is on bearing track groove, the both sides of pawl to stretch out installation foot for the position of circle, and the wherein installation foot of side is mounted on thumb wheel,
The installation foot of the other side is located in track groove, and pawl is located in ring gear, and thumb wheel turns to lock position, pawl from unlocked position
It moves along track groove and is engaged with ring gear.
In one embodiment, which further includes handrail body and cover board.In handrail body have axis hole and
Location hole has axis hole and location hole on cover board, and bearing, internal gear, thumb wheel and cover board are sequentially arranged in handrail body, described
Axis passes through cover board, thumb wheel, bearing and handrail body, gravity component to be mounted on internal gear, and pawl is between thumb wheel and bearing
And in ring gear, bearing, internal gear, gravity component, thumb wheel and pawl are accommodated therein by cover board, positioning screw is passed through and is helped
Location hole on hand ontology and cover board is assembled.Handrail body passes through bearing pivoting.
In one embodiment, which further includes：Handrail upper cover and handrail lower cover, under handrail upper cover and handrail
Lid is spliced to form arm rest skin, and handrail body, cover board, bearing, internal gear, gravity component, thumb wheel and pawl are contained in handrail
In shell, arm rest skin follows handrail body pivoting.
In one embodiment, handrail body is in obliquity, and gravity component is also at obliquity, and gravity component turns
It moves to horizontal position, handrail body is close to horizontal position but not yet reaches horizontal position.
Handrail is mounted on backrest by the cantilevered handrail of the utility model, to ensure by between dorso-humeral region and handrail
Away from constant, while backrest, at any position of its front and back adjustion domain, handrail is adjustable to horizontal position and locking so that multiplies
The forearm of visitor can be always suitably to lean against apart from level on handrail.
Description of the drawings
The above and other feature of the utility model, property and advantage will be by with reference to the accompanying drawings and examples
It describing and becomes apparent, identical reference numeral always shows identical feature in the accompanying drawings, wherein：
Fig. 1 discloses the decomposition chart of the cantilevered handrail of an embodiment according to the present utility model.
Fig. 2 a, Fig. 2 b and Fig. 2 c disclose in the cantilevered handrail of an embodiment according to the present utility model gravity component and
The course of work schematic diagram of thumb wheel.
Fig. 3 a, Fig. 3 b and Fig. 3 c disclose pawl and internal tooth in the cantilevered handrail of an embodiment according to the present utility model
The course of work schematic diagram of circle.
Fig. 4 a and Fig. 4 b disclose the use state diagram of the cantilevered handrail of an embodiment according to the present utility model.
Specific implementation mode
The utility model proposes a kind of cantilevered handrail, handrail is mounted on backrest, has gravity component in handrail
And lockable mechanism, gravity component follow handrail to rotate, handrail is located at obliquity, and gravity component unlocks lockable mechanism, handrail energy
It is rotated towards horizontal position, handrail is horizontally situated, and gravity component locks lockable mechanism, and handrail is locked in horizontal position.
Refering to what is shown in Fig. 1, Fig. 1 discloses the decomposition texture of the cantilevered handrail of an embodiment according to the present utility model
Figure.As shown, the cantilevered handrail includes：Handrail upper cover 101, handrail lower cover 102, handrail body 103, bearing 104, internal tooth
Plate 105, gravity component 106, thumb wheel 107, pawl 108, cover board 109 and axis 110.Handrail upper cover 101 and handrail lower cover 102 splice
Form arm rest skin, handrail body 103, bearing 104, internal gear 105, gravity component 106, thumb wheel 107, pawl 108, cover board
109 and axis 110 be contained in the arm rest skin being spliced to form, arm rest skin follow handrail body 103 around axis 110 rotate.It helps
There is axis hole and location hole on hand ontology 103, there is axis hole and location hole on cover board 109.Bearing 104, internal gear 105, thumb wheel
106 and cover board 109 be sequentially arranged in handrail body 103.Axis 110 passes through cover board 109, thumb wheel 107, bearing 104 and handrail sheet
Body 103 so that cover board 109, thumb wheel 107, bearing 104 and handrail body 103 are connected by axis 110.It its cover plate 109 and helps
Hand ontology 103 is rotated by bearing 104 around axis 110.And thumb wheel 107 is only installation relation between axis 110, thumb wheel 107
It is not followed by the rotation of axis 110, i.e. axis 110 simply passes through the hole among thumb wheel 107, and the two is simultaneously not attached to.It also shows in Fig. 1
Spring 111, spring 111 are mounted on bearing 104, and spring 111 plays the role of damping and reset.
As shown in Figure 1, gravity component 106 is mounted on internal gear 105.Ring gear 151 and dress are formed on internal gear 105
Slot allocation 152, ring gear 151 form with teeth inwardly.Gravity component 106 is mounted in fitting groove 152, the position pair of bearing 104
The position of quasi- ring gear 151.In one embodiment, the diameter of bearing 104 is less than the diameter of ring gear 151, therefore bearing 104
It is not contacted between ring gear 151.Bearing 104 is connect with axis 110.Thumb wheel 107 is mounted on axis 110, and thumb wheel 107 does not follow axis
110 rotations.The outer ring of thumb wheel 107 is with teeth, and the diameter of thumb wheel 107 is more than the diameter of ring gear 151, therefore in assembly, thumb wheel
107 will not fall in ring gear 151, but be stacked on internal gear 105, and the position of position alignment ring gear 151.
Thumb wheel 107 coordinates with gravity component 106.Pawl 108 be mounted on thumb wheel 107 and bearing 104 on, pawl 108 due to need with it is interior
Gear ring 151 is engaged, therefore the position of pawl 108 is located in ring gear 151.As shown in Figure 1, bearing 104 and thumb wheel 107 are distinguished
Mounted on the both sides of internal gear 105, bearing 104 and thumb wheel 107 are all directed at the position of ring gear 151.In conjunction with Fig. 3 a, Fig. 3 b and figure
Shown in 3c, there is track groove 141, the both sides of pawl 108 to stretch out installation foot, the wherein installation foot of side fixes peace on bearing 104
On thumb wheel 107, the installation foot of the other side is located in track groove 141 and can be slided along track groove 141.Continue to refer to figure 1 institute
Show, pawl 108 is between thumb wheel 107 and bearing 104 and in ring gear 151.Cover board 109 is by bearing 104, internal gear
105, gravity component 106, thumb wheel 107 and pawl 108 are accommodated therein, and positioning screw 112 passes through handrail body 103 and cover board
Location hole on 109 is assembled.In Fig. 1, on cover board 109 on the position of corresponding thumb wheel 107 and gravity component 106 all shapes
At the accommodating chamber of protrusion, to accommodate thumb wheel and gravity component.
In conjunction with Fig. 2 a, Fig. 2 b and Fig. 2 c, it is seen that the structure and the course of work of gravity component.Fig. 2 a, Fig. 2 b and Fig. 2 c are disclosed
The course of work schematic diagram of gravity component and thumb wheel in the cantilevered handrail of an embodiment according to the present utility model.As schemed
Show, gravity component 106 includes：Shell 161, ball support 162, gravitation ball 163 and transfer bar mechanism.The shape and size of shell 161 with
Fitting groove 152 on internal gear matches, and shell 161 is embedded in fitting groove 152.Ball support 162 is located at the bottom of shell 161, ball
There is pit in support.Gravitation ball 163 is placed in shell, and gravity component is rolled into horizontal position, gravitation ball 163 in pit, weight
Power component rolls out pit in obliquity, gravitation ball 163.Transfer bar mechanism includes pusher bar support 164 and is rotatably installed in push rod branch
Push rod 165 on frame 164.Gravity component rolls out pit in obliquity, such as state shown in Fig. 2 a, gravitation ball 163, weight
Power ball contacts with push rod 165 and jacks up push rod 165 to disengaged position.Push rod 165 is on disengaged position, push rod 165 and thumb wheel 107
Tooth separation, do not rotated without interaction, thumb wheel 107 between push rod 165 and thumb wheel 107.Gravity component in horizontal position, such as
State shown in Fig. 2 b, gravitation ball 163 roll into pit, and gravitation ball 163 no longer jacks up push rod 165, and push rod 165 is fallen after rise to stinging
Close position.Push rod 165 is engaged in occlusal position, push rod 165 with the tooth on thumb wheel 107, and push rod 165 can drive 107 turns of thumb wheel
It is dynamic.In the illustrated embodiment, the tooth on 107 outer ring of thumb wheel is unidirectional tooth, i.e., the side surface slope of tooth relatively delays and the other side
Surface slope is steeper, and push rod 165 withstands the steeper side inclined-plane of surface slope.In this way, push rod 165 can push 107 court of thumb wheel
It is rotated in (rotating counterclockwise for diagram) embodiment shown in Fig. 2 a, Fig. 2 b and Fig. 2 c to horizontal position, handrail body 103
Horizontal position and the horizontal position of gravity component 106 it is inconsistent, gravity component 106 is slightly earlier arrived than handrail body 103
Up to horizontal position.But the obliquity of handrail body 103 is consistent with the obliquity of gravity component 106.Such as in Fig. 2 a institutes
In the state shown, handrail body 103 is in obliquity, and gravity component 106 is also at obliquity.The shape shown in Fig. 2 b
In state, gravity component 106 has been rotated by horizontal position, but handrail body 103 is horizontal close to horizontal position but not yet arrival
Position, also in the state being slightly slanted, gravity component 106 more earlier reaches horizontal position.In the state shown in Fig. 2 b,
Since gravity component 106 has arrived at horizontal position, push rod 165 is engaged with thumb wheel 107.In the state shown in Fig. 2 c, handrail
Ontology 103 is rotated further to up to horizontal position, and in the process, it is certain that gravity component 106 follows handrail body 103 to produce
Displacement, the displacement can push thumb wheel 107 to rotate an angle, and the direction of rotation is the counterclockwise of diagram.Fig. 2 b's to Fig. 2 c
In rotation process, push rod 165 is in occlusive state always with thumb wheel 107, and push rod 165 can push down gravitation ball 163, gravitation ball at this time
163 are rested in pit, and push rod 165 is in occlusal position and is engaged in thumb wheel 107 always.
Fig. 3 a, Fig. 3 b and Fig. 3 c disclose pawl and internal tooth in the cantilevered handrail of an embodiment according to the present utility model
The course of work schematic diagram of circle.With reference to shown in figure 3a, there is track groove 141, the installation foot position of 108 side of pawl on bearing 104
It can slide in track groove 141 and along track groove 141.Two-way arrow illustrates pawl 108 in track groove 141 in Fig. 3 a
Glide direction signal.In the state shown in Fig. 3 b, thumb wheel 107 is in the unlocked position, the state of Fig. 3 b and Fig. 2 a above-mentioned
State correspond to, thumb wheel 107 is in the unlocked position when not being engaged with push rod 165.In the unlocked position of thumb wheel 107, pawl
108 detach with ring gear 151, and ring gear 151 does not limit the movement of pawl 108, therefore the bearing 104 being connected with pawl 108
Rotation is also unrestricted, and handrail can integrally be freely rotated.With reference to shown in figure 3c, thumb wheel 107 turns to locking from unlocked position
Position, the state of corresponding diagram 2b to Fig. 2 c, pawl 108 are engaged with ring gear 151, the position of 151 fixed pawl 108 of ring gear,
Since one end of pawl 108 is integrally fixed on bearing 104, after the position of pawl 108 is limited, the rotation of bearing 104 is by pawl
It is limited.Bearing 104 cannot rotate so that handrail body 103 and arm rest skin can not be also rotated further, in this way, following bearing
The handrail body and arm rest skin of 104 rotations are all locked in horizontal position.
In conjunction with shown in Fig. 2 a, Fig. 2 b, Fig. 2 c, Fig. 3 a, Fig. 3 b and Fig. 3 c, which turns to water from obliquity
Prosposition set during (such as from passenger push handrail to horizontal position rotate), when handrail reach horizontal position or ten tap
When nearly horizontal position, the push rod of gravity component can be engaged with thumb wheel, back bar be rotated further to horizontal position during, push away
Bar can push thumb wheel to rotate, and thumb wheel rotation band pawl is engaged with ring gear.After pawl is engaged with ring gear, pawl is positioned,
So that the bearing being connected with pawl is also positioned, to which locking rotates, handrail is thus locked at horizontal position.
Fig. 4 a and Fig. 4 b disclose the use state diagram of the cantilevered handrail of an embodiment according to the present utility model.
As shown in figures 4 a and 4b, handrail is mounted on backrest by the cantilevered handrail of the utility model, to ensure to lean on dorso-humeral region
It is constant with the spacing of handrail, while backrest, at any position of its front and back adjustion domain, handrail is adjustable to horizontal position simultaneously
Locking so that the forearm of passenger can be always suitably to lean against apart from level on handrail.
Above-described embodiment, which is available to, is familiar with person in the art to realize or using the utility model, be familiar with ability
The personnel in domain can in the case where not departing from the utility model thought of the utility model, to above-described embodiment make various modifications or
Variation, thus the scope of protection of the utility model is not limited by above-described embodiment, and should meet claims to mention
Inventive features maximum magnitude.
Claims (7)
1. a kind of cantilevered handrail, which is characterized in that handrail is mounted on backrest, has gravity component and locking in handrail
Mechanism, gravity component follow handrail to rotate, and handrail is located at obliquity, and gravity component unlocks lockable mechanism, and handrail can be towards level
Position rotates, and handrail is horizontally situated, and gravity component locks lockable mechanism, and handrail is locked in horizontal position.
2. cantilevered handrail as described in claim 1, which is characterized in that the gravity component includes：
Shell；
Ball support, ball restitope on the bottom of shell, ball support have pit；
Gravitation ball is placed in shell, and gravity component is rolled into horizontal position, gravitation ball in pit, and gravity component is tilting position
It sets, gravitation ball rolls out pit；
Transfer bar mechanism, including pusher bar support and the push rod that is rotatably installed on pusher bar support；
In obliquity, gravitation ball rolls out pit and jacks up push rod to disengaged position gravity component, gravity component in horizontal position,
Gravitation ball rolls into pit, and push rod is fallen after rise to occlusal position.
3. cantilevered handrail as claimed in claim 2, which is characterized in that the lockable mechanism includes：
Bearing is equipped with axis on bearing；
Internal gear is formed with ring gear and fitting groove on internal gear, and the gravity component is mounted in fitting groove, the bearing
The position of position alignment ring gear, does not contact between bearing and ring gear；
Thumb wheel is mounted on an axle, and thumb wheel does not follow shaft rotation dynamic, and the outer ring of thumb wheel is with teeth, and the diameter of thumb wheel is more than the straight of ring gear
Diameter, the push rod are detached in disengaged position, push rod with the tooth on thumb wheel, are being stung without interaction, push rod between push rod and thumb wheel
Position is closed, push rod is engaged with the tooth on thumb wheel, and push rod drives thumb wheel rotation；
Pawl is mounted on thumb wheel and bearing, and pawl is located in ring gear, and thumb wheel is detached in unlocked position, pawl with ring gear,
Thumb wheel turns to lock position, and pawl is engaged with ring gear, and the rotation of the position of ring gear fixed pawl, bearing is limited by pawl
System.
4. cantilevered handrail as claimed in claim 3, which is characterized in that the bearing and thumb wheel are separately mounted to internal gear
Both sides, bearing and thumb wheel are all directed at the position of ring gear, and there is track groove, the both sides of pawl to stretch out installation foot on bearing, wherein
The installation foot of side is mounted on thumb wheel, and the installation foot of the other side is located in track groove, and pawl is located in ring gear, and thumb wheel is from solution
Lock position turns to lock position, and pawl is moved along track groove and is engaged with ring gear.
5. cantilevered handrail as claimed in claim 3, which is characterized in that further include：Handrail body and cover board；
There is axis hole and location hole in handrail body, there is axis hole and location hole, bearing, internal gear, thumb wheel and cover board on cover board
It is sequentially arranged in handrail body, the axis passes through cover board, thumb wheel, bearing and handrail body, gravity component to be mounted on internal gear
On, pawl is between thumb wheel and bearing and in the ring gear, and cover board is by bearing, internal gear, gravity component, thumb wheel and pawl
It is accommodated therein, positioning screw passes through the location hole in handrail body and cover board to be assembled；
Handrail body is dynamic around the shaft rotation by bearing.
6. cantilevered handrail as claimed in claim 5, which is characterized in that further include：Handrail upper cover and handrail lower cover, on handrail
Lid and handrail lower cover are spliced to form arm rest skin, the handrail body, cover board, bearing, internal gear, gravity component, thumb wheel and spine
Pawl is contained in arm rest skin, and arm rest skin follows handrail body dynamic around the shaft rotation.
7. cantilevered handrail as claimed in claim 5, which is characterized in that handrail body is in obliquity, gravity component
In obliquity, gravity component turns to horizontal position, and handrail body is close to horizontal position but not yet reaches horizontal position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860946.0U CN207772954U (en) | 2017-12-27 | 2017-12-27 | Cantilevered handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860946.0U CN207772954U (en) | 2017-12-27 | 2017-12-27 | Cantilevered handrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207772954U true CN207772954U (en) | 2018-08-28 |
Family
ID=63225138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721860946.0U Withdrawn - After Issue CN207772954U (en) | 2017-12-27 | 2017-12-27 | Cantilevered handrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207772954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099722A (en) * | 2017-12-27 | 2018-06-01 | 上汽大众汽车有限公司 | Cantilevered handrail |
| CN109305080A (en) * | 2018-09-14 | 2019-02-05 | 上汽大众汽车有限公司 | It is a kind of can bidirectional modulation movable armrest and seat |
-
2017
- 2017-12-27 CN CN201721860946.0U patent/CN207772954U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099722A (en) * | 2017-12-27 | 2018-06-01 | 上汽大众汽车有限公司 | Cantilevered handrail |
| CN108099722B (en) * | 2017-12-27 | 2023-09-15 | 上汽大众汽车有限公司 | Cantilever type armrest |
| CN109305080A (en) * | 2018-09-14 | 2019-02-05 | 上汽大众汽车有限公司 | It is a kind of can bidirectional modulation movable armrest and seat |
| CN109305080B (en) * | 2018-09-14 | 2023-12-05 | 上汽大众汽车有限公司 | Movable handrail capable of being adjusted in two directions and seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180828 Effective date of abandoning: 20230915 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180828 Effective date of abandoning: 20230915 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |