CN206938539U - Rotational locking device and the automobile seat arm with rotational locking device - Google Patents
Rotational locking device and the automobile seat arm with rotational locking device Download PDFInfo
- Publication number
- CN206938539U CN206938539U CN201720625637.9U CN201720625637U CN206938539U CN 206938539 U CN206938539 U CN 206938539U CN 201720625637 U CN201720625637 U CN 201720625637U CN 206938539 U CN206938539 U CN 206938539U
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- locking device
- limiting section
- rotational locking
- driving disc
- mounting seat
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Abstract
The utility model discloses a kind of rotational locking device, including matrix, driving disc spacing pressing, lock arm, return catch and elastomeric element.Matrix has hollow bulb, and limiting section one, limiting section two, limiting section three, limiting section four and one section of unidirectional tooth one are provided with the matrix positioned at hollow bulb, guide groove is formed between limiting section two and limiting section three；Driving disc spacing pressing can rotate relative to matrix, and be provided with spacer pin；Lock arm is installed in rotation on driving disc spacing pressing, and is provided with alignment pin, and one end of lock arm has one section of unidirectional tooth two, and elastomeric element is connected between the other end and spacer pin；Return catch is installed in rotation on driving disc spacing pressing, and has leading arm, and leading arm insertion guide groove, the outer rim of return catch has location division and salient point portion.The invention also discloses a kind of automobile seat arm with rotational locking device, including above-mentioned locking mechanism.The utility model is compact-sized, and reliability is high, can adjust the rotational support angle of armrest.
Description
Technical field
The utility model belongs to automotive seating art field, and in particular to a kind of rotational locking device and with spin locking
The automobile seat arm of device.
Background technology
Special handrail is usually provided with the middle back seat of commercial vehicle, but is typically not provided with operator seat special
Handrail, particularly with automatic block vehicle, during driving over a long distance, the arm of driver is also required to be placed on armrest
Rest, to reduce the sense of fatigue driven over a long distance.
Small part automobile is that operator seat is designed with special armrest, but unlike that heel row in automobile, due to driving
The mechanism member of position is more, and the space for leaving armrest for is limited.Therefore, traditional operator seat armrest can be only positioned start stop bit
Put, it is impossible to carry out rotation regulation according to demands of individuals, cause applicability and comfortableness deficiency.To meet the automotive seats of driver position
Armrest of seat requirement, it is now desired to design a kind of rotational locking device, since in the lock-in range initial position, handrail is only
Can one-directional rotation, after handrail is unlocked, in handrail can Double-directional rotary, when handrail returns to initial position, rotational locking device is again
Secondary locking handrail, handrail can only one-directional rotations in the lock-in range since initial position.
Utility model content
To solve above technical problem, the utility model provides a kind of rotational locking device and with rotational locking device
Automobile seat arm, its is compact-sized, and reliability is high, can adjust the rotational support angle of armrest, be driver's arm
Reliable and comfortable support is provided.
To achieve the above object, technical solutions of the utility model are as follows：
A kind of rotational locking device, it is characterized by, including：Matrix, it has section for circular hollow bulb, positioned at
Circumferentially arranged with the unidirectional tooth one of limiting section one, limiting section two, limiting section three, limiting section four and one section on the matrix of hollow bulb,
Form guide groove between the limiting section two and limiting section three, the unidirectional tooth one is from side of the limiting section four-way away from limiting section one
To extension；Driving disc spacing pressing, it is located at hollow bulb, and can be rotated relative to matrix, and spacer pin is provided with the driving disc spacing pressing；Lock arm, its
It is installed in rotation on driving disc spacing pressing, one end of the lock arm has one section of unidirectional tooth two being adapted with unidirectional tooth one, another
End is provided with alignment pin by elastomeric element and spacing pin connection on the lock arm；And return catch, it is rotationally pacified
On driving disc spacing pressing, the leading arm extended radially outward is provided with the return catch, leading arm insertion guide groove is described
The outer rim of return catch has the location division to be formed and the salient point portion of outwardly formation of caving inward, and the salient point portion is located at
Between leading arm and location division.
Since in the lock-in range initial position, because unidirectional tooth one and unidirectional tooth two engage, driving disc spacing pressing can only be relative
Matrix one-directional rotation, the Self-unlocking when driving disc spacing pressing exceeds lock-in range relative to the rotation of matrix, makes unidirectional tooth one and unidirectional tooth two
Separation, driving disc spacing pressing can be freely rotated relative to matrix is two-way, when driving disc spacing pressing returns to initial position, unidirectional tooth one and unidirectional tooth two
Engagement is returned to, is again introduced into lock-out state, makes driving disc spacing pressing can only relative matrix one-directional rotation in lock-in range.
Compact-sized using above structure, reliability is high, can be self solved by the realization that rotates against of driving disc spacing pressing and matrix
The function of lock, it is not necessary to additional extra special solution lock set.
As preferred：The two sides of the driving disc spacing pressing have the mounting seat one and mounting seat two of cylinder, the peace respectively
Dress seat one and the axis of mounting seat two are overlapped with the axis of hollow bulb, and central shaft hole, the central shaft are provided with the driving disc spacing pressing
Mounting seat one and mounting seat two are run through in hole simultaneously.Using above structure, it is easily installed and fixes, and the setting for passing through central shaft hole
It is easy to the connection axis connection of rotational locking device and handrail.
As preferred：The return catch is installed in rotation in mounting seat one by Ω springs.Using above structure,
By Ω springs, return catch is rotated relative to driving disc spacing pressing, and can not move axially.
As preferred：Housing one and housing two are respectively equipped with the both sides of described matrix, the outer end of the mounting seat one is worn
Go out housing one, the outer end of the mounting seat two passes housing two.Using above structure, can be protected by housing one and housing two
Internal part, and mounting seat one and mounting seat two pass housing one and housing two respectively, and driving disc spacing pressing can be ensured with respect to matrix, shell
Body one and housing two are smooth, reliably rotate.
As preferred：Axle sleeve is arranged with the mounting seat two, the axle sleeve is between mounting seat two and housing two.Adopt
With above structure, so that driving disc spacing pressing more swimmingly rotates.
As preferred：There are two radially inwardly extending spacing preiections one and limit in the described matrix of hollow bulb
Position projection two, the limiting section one are located at side of the spacing preiection one away from spacing preiection two, and the limiting section two is positioned at spacing
For projection one close to the side of spacing preiection two, the limiting section three is located at spacing preiection two close to the side of spacing preiection one, institute
State limiting section four and be located at side of the spacing preiection two away from spacing preiection one.It is simple and reliable for structure using above structure, realize lock
The cooperation of fixed arm, leading arm and spacer pin with spacing preiection one and spacing preiection two.
As preferred：The middle part of the lock arm is installed in rotation on driving disc spacing pressing by pin.Using above structure,
It is simple and reliable for structure, it is easy to accomplish, lock arm is rotated relative to driving disc spacing pressing, and driving disc spacing pressing is driven lock arm in again
Moved in empty portion.
As preferred：The one end of the lock arm away from unidirectional tooth two has mounting mouth, and the elastomeric element draws to reset
Spring, the both ends of the reset tension spring are connected with spacer pin and mounting mouth respectively.It is simple and reliable for structure using above structure, by multiple
Position extension spring makes the one end of lock arm away from unidirectional tooth two remain close to the trend of spacer pin.
As preferred：It is machined with least one locating slot vertically on the inwall of the central shaft hole.Tied more than
Structure, the shape of the connecting shaft of armrest and the shape of central shaft hole are adapted, to ensure the reliable of armrest and driving disc spacing pressing
Connection, ensure that the two being capable of synchronous axial system.
A kind of automobile seat arm with rotational locking device, including handrail body, it is characterized by：Including above-mentioned
Rotational locking device.
Using above structure, since in the lock-in range initial position, due to the He of unidirectional tooth one of rotational locking device
Unidirectional tooth two engages, and armrest can only be with respect to automotive seat one-directional rotation, when armrest surpasses relative to the rotation of automotive seat
Self-unlocking when going out lock-in range, separate unidirectional tooth one and unidirectional tooth two, armrest can be with respect to the two-way freedom of automotive seat
Rotate, when armrest returns to initial position, unidirectional tooth one and unidirectional tooth two return to engagement, and rotational locking device is again
Armrest is locked, makes armrest can only relative automotive seat one-directional rotation in lock-in range.
Compared with prior art, the beneficial effects of the utility model are：
Using rotational locking device provided by the utility model and the automobile seat arm with rotational locking device, structure
It is compact, it is easy to accomplish, reliability is high, service life length, can adjust the rotational support angle of armrest, be driver's arm
Reliable and comfortable support is provided.
Brief description of the drawings
Fig. 1 is the structural representation of rotational locking device；
Fig. 2 is Fig. 1 rearview；
Fig. 3 is Fig. 1 right view；
Fig. 4 is the internal structure schematic diagram of rotational locking device in the locked state；
Fig. 5 is the internal structure schematic diagram of rotational locking device in the unlocked state；
Fig. 6 is the course of work schematic diagram of rotational locking device；
Fig. 7 is the structural representation of automobile seat arm.
Embodiment
The utility model is described in further detail with accompanying drawing with reference to embodiments.
As shown in Fig. 1~Fig. 5, a kind of rotational locking device, including matrix 1, driving disc spacing pressing 2, lock arm 3, return catch 4,
Elastomeric element 5, housing 1 and housing 27.Wherein, matrix 1 is tabular, and housing 1 and housing 27 are respectively positioned at matrix 1
Both sides, also, matrix 1 surrounds to form a chamber with housing 1 and housing 27, driving disc spacing pressing 2, lock arm 3, the and of return catch 4
Elastomeric element 5 is respectively positioned in the chamber.
Fig. 4 and Fig. 5 are referred to, described matrix 1 has section for circular hollow bulb A, on hollow bulb A matrix 1
With two radially inwardly extending spacing preiections 1 and spacing preiection 2 17.The both sides difference of the spacing preiection 1
With limiting section 1 and limiting section 2 12, wherein, limiting section 1 is located at spacing preiection 1 away from spacing preiection 2 17
Side, limiting section 2 12 are located at spacing preiection 1 close to the side of spacing preiection 2 17.The both sides of the spacing preiection 2 17
There is limiting section 3 13 and limiting section 4 14 respectively, wherein, limiting section 3 13 is located at spacing preiection 2 17 close to spacing preiection one
16 side, the limiting section 4 14 are located at side of the spacing preiection 2 17 away from spacing preiection 1.Also, the limiting section
Guide groove 18 is formed between 2 12 and limiting section 3 13, the guide groove 18 is arc, preferably to play a part of guiding.It is located at
Also there is one section of unidirectional tooth 1, the unidirectional tooth 1 of the section is from limiting section 4 14 to away from limiting section one on hollow bulb A matrix 1
11 direction extension, also, unidirectional tooth 1 is the dentalation of curved array distribution, can in order to coordinate with lock arm 3
By property height.
Fig. 4, Fig. 5 and Fig. 7 are referred to, the driving disc spacing pressing 2 is located at hollow bulb A, and can be rotated relative to matrix 1, at this actively
Disk 2 is provided with the spacer pin 21 coordinated with elastomeric element 5 and return catch 4.Specifically, the two sides of driving disc spacing pressing 2 have respectively
There are the mounting seat 1 and mounting seat 2 23 of cylinder, the axis of the mounting seat 1 and mounting seat 2 23 is with hollow bulb A's
Axis overlaps, and the outer end of the mounting seat 1 passes housing 1, and the outer end of the mounting seat 2 23 passes housing 27, in institute
State and axle sleeve 9 is arranged with mounting seat 2 23, the axle sleeve 9 passes through the He of mounting seat 1 between mounting seat 2 23 and housing 27
Mounting seat 2 23, can ensure driving disc spacing pressing 2 relative to matrix 1, housing 1 and housing 27 are smooth, reliably rotate.In addition, institute
To state driving disc spacing pressing 2 and be provided with central shaft hole 24, the central shaft hole 24 runs through mounting seat 1 and mounting seat 2 23 simultaneously, also,
A plurality of locating slot 241 is machined with the inwall of central shaft hole 24 vertically, in order to which installation connecting shaft C is arranged on into central shaft hole
In 24, ensure connecting shaft C and driving disc spacing pressing synchronous axial system, and then enable the handrail body B and automotive seat of automobile seat arm
Connection, and can relatively rotate.
Fig. 4 and Fig. 5 are referred to, the middle part of the lock arm 3 is installed in rotation on driving disc spacing pressing 2 by pin 10.And
And lock arm 3 is driven by driving disc spacing pressing 2, one end of the lock arm 3 has one section of unidirectional tooth two being adapted with unidirectional tooth 1
31, the dentalation of the same curved array distribution of the unidirectional tooth 2 31, in order to coordinate with unidirectional tooth 1, reliability is high.
The other end of lock arm 3 has mounting mouth 33, and elastomeric element 5 is connected between the mounting mouth 33 and the spacer pin 21 of driving disc spacing pressing 2,
The elastomeric element 5 is reset tension spring, the one end of lock arm 3 away from unidirectional tooth 2 31 is had close to spacer pin by reset tension spring
21 trend.The alignment pin 32 coordinated with return catch 4 is additionally provided with lock arm 3.
Fig. 4 and Fig. 5 are referred to, the return catch 4 is installed in rotation in mounting seat 1 by Ω springs 8, made
Return catch 4 can only rotate relative to driving disc spacing pressing 2, and can not move axially.It is provided with and extends radially outward on the return catch 4
Leading arm 41, the leading arm 41 insertion guide groove 18 in, pass through leading arm 41 and spacing preiection 1 and spacing preiection 2 17
Coordinate, reliably define the angle that return catch 4 rotates relative to matrix 1.The outer rim of return catch 4, which has, to cave inward to be formed
Location division 42 and outwardly formation salient point portion 43, the salient point portion 43 is between leading arm 41 and location division 42.
When alignment pin 32 is embedded in location division 42, return catch 4 can be driven by lock arm 3；When spacer pin 21 abuts with salient point portion 43,
Return catch 4 can be driven by driving disc spacing pressing 2.
Fig. 4~Fig. 6 is referred to, the course of work of rotational locking device is as follows：
State 1 (starting point)：One end that lock arm 3 has unidirectional tooth 2 31 abuts with limiting section 4 14, leading arm 41 and limit
Position portion 2 12 is abutted, and unidirectional tooth 1 is engaged with unidirectional tooth 2 31, and rotational locking device is in the lock state, and driving disc spacing pressing 2 can only
With respect to the one-directional rotation of matrix 1, now, alignment pin 32 is embedded in location division 42, return catch 4 under the drive of lock arm 3 with master
The synchronous axial system of Moving plate 2.
State 2：Leading arm 41 abuts with limiting section 3 13, and unidirectional tooth 1 engages with unidirectional tooth 2 31, and alignment pin 32 is still
So in embedded location division 42, rotational locking device is still within lock-out state, and driving disc spacing pressing 2 can only return with respect to the one-directional rotation of matrix 1
Position catch 4 do not continue under the drive of lock arm 3 with the synchronous axial system of driving disc spacing pressing 2, if driving disc spacing pressing 2 continues to rotate counterclockwise,
Alignment pin 32 can then skid off from location division 42.
State 3：Alignment pin 32 skids off from location division 42, and unidirectional tooth 1 separates with unidirectional tooth 2 31, leading arm 41
Still abutted with limiting section 3 13, now just to have unlocked when state, from now on, driving disc spacing pressing 2 can be 1 pair with respect to matrix
To rotation, but if rotating clockwise, then lock-out state is returned to.
State 4 (stop)：Unidirectional tooth 1 still separates with unidirectional tooth 2 31, and leading arm 41 still supports with limiting section 3 13
Connect, be still now released state, be now locking seat 3 and rotation connection axle because spacer pin 21 abuts with leading arm 41 still
The final position that 5 opposite bases 1 rotate counterclockwise, driving disc spacing pressing 2 can only rotate clockwise with respect to matrix 1.
State 5：Unidirectional tooth 1 still separates with unidirectional tooth 2 31, and leading arm 41 still abuts with limiting section 3 13, this
When be still released state, driving disc spacing pressing 2 can be with respect to the Double-directional rotary of matrix 1, because spacer pin 21 abuts with salient point portion 43, from now
Start, return catch 4 and driving disc spacing pressing 2 synchronous axial system along clockwise direction, once driving disc spacing pressing 2 rotates counterclockwise, spacer pin 21 with
Salient point portion 43 separates, and return catch 4 is not with the synchronous axial system of driving disc spacing pressing 2 until spacer pin 21 abuts with salient point portion 43 again.
State 6：Unidirectional tooth 1 still separates with unidirectional tooth 2 31, is still now released state, driving disc spacing pressing 2 can be relative
The Double-directional rotary of matrix 1, now, leading arm 41 abuts with limiting section 2 12, if driving disc spacing pressing 2 continues relative matrix 1 and turned clockwise
It is dynamic, spacer pin 21 will across salient point portion 43, return catch 4 no longer with the synchronous axial system of driving disc spacing pressing 2.
State 7：Unidirectional tooth 1 still separates with unidirectional tooth 2 31, and leading arm 41 abuts with limiting section 2 12, now still
For released state, still, if driving disc spacing pressing 2 continues to rotate clockwise with respect to matrix 1, alignment pin 32 will be embedded in location division 42,
Unidirectional tooth 1 will engage with unidirectional tooth 2 31, state 1 be returned to, into lock-out state.
Fig. 7, a kind of automobile seat arm with rotational locking device, including handrail body B are referred to, including it is above-mentioned
Rotational locking device, rotational locking device are located at handrail body B rear end, and handrail body B is arranged on automotive seats by connecting shaft C
On chair.
Finally it should be noted that foregoing description is only preferred embodiment of the present utility model, the common skill of this area
Art personnel on the premise of without prejudice to the utility model aims and claim, can make under enlightenment of the present utility model
Expression, such conversion are each fallen within the scope of protection of the utility model as multiple types.
Claims (10)
- A kind of 1. rotational locking device, it is characterised in that including：Matrix (1), it has section for circular hollow bulb (A), circumferentially set on the matrix (1) positioned at hollow bulb (A) The unidirectional tooth one (15) of limited location portion one (11), limiting section two (12), limiting section three (13), limiting section four (14) and one section, it is described Form guide groove (18) between limiting section two (12) and limiting section three (13), the unidirectional tooth one (15) from limiting section four (14) to Direction away from limiting section one (11) extends；Driving disc spacing pressing (2), it is located at hollow bulb (A), and can be rotated relative to matrix (1), and spacer pin is provided with the driving disc spacing pressing (2) (21)；Lock arm (3), it is installed in rotation on driving disc spacing pressing (2), and one end of the lock arm (3) has one section and unidirectional tooth one (15) adaptable unidirectional tooth two (31), the other end is connected by elastomeric element (5) with spacer pin (21), in the lock arm (3) it is provided with alignment pin (32)；AndReturn catch (4), it is installed in rotation on driving disc spacing pressing (2), is provided with the return catch (4) and is radially prolonged The leading arm (41) stretched, the embedded guide groove (18) of the leading arm (41), the outer rim of the return catch (4) have the shape that caves inward Into location division (42) and outwardly formation salient point portion (43), the salient point portion (43) be located at leading arm (41) and positioning Between portion (42).
- 2. rotational locking device according to claim 1, it is characterised in that：The two sides of the driving disc spacing pressing (2) have respectively Have the mounting seat one (22) and mounting seat two (23) of cylinder, the axis of the mounting seat one (22) and mounting seat two (23) and in The axis of empty portion (A) overlaps, and is provided with central shaft hole (24) on the driving disc spacing pressing (2), the central shaft hole (24) while through pacifying Fill seat one (22) and mounting seat two (23).
- 3. rotational locking device according to claim 2, it is characterised in that：The return catch (4) passes through Ω springs (8) It is installed in rotation in mounting seat one (22).
- 4. the rotational locking device according to Claims 2 or 3, it is characterised in that：Set respectively in the both sides of described matrix (1) There are housing one (6) and housing two (7), the outer end of the mounting seat one (22) passes housing one (6), the mounting seat two (23) Outer end passes housing two (7).
- 5. rotational locking device according to claim 4, it is characterised in that：Axle is arranged with the mounting seat two (23) Cover (9), the axle sleeve (9) is between mounting seat two (23) and housing two (7).
- 6. according to rotational locking device according to any one of claims 1 to 3, it is characterised in that：Positioned at the institute of hollow bulb (A) Stating has two radially inwardly extending spacing preiections one (16) and spacing preiection two (17), the limiting section on matrix (1) One (11) are located at side of the spacing preiection one (16) away from spacing preiection two (17), and the limiting section two (12) is located at spacing preiection Close to the side of spacing preiection two (17), the limiting section three (13) is located at spacing preiection two (17) close to spacing preiection for one (16) The side of one (16), the limiting section four (14) are located at side of the spacing preiection two (17) away from spacing preiection one (16).
- 7. according to rotational locking device according to any one of claims 1 to 3, it is characterised in that：In the lock arm (3) Portion is installed in rotation on driving disc spacing pressing (2) by pin (10).
- 8. rotational locking device according to claim 7, it is characterised in that：The lock arm (3) is away from unidirectional tooth two (31) one end has mounting mouth (33), and the elastomeric element (5) is reset tension spring, the both ends of the reset tension spring respectively with it is spacing Sell (21) and mounting mouth (33) connection.
- 9. the rotational locking device according to Claims 2 or 3, it is characterised in that：Inwall in the central shaft hole (24) On be machined with least one locating slot (241) vertically.
- 10. a kind of automobile seat arm with rotational locking device, including handrail body (B), it is characterised in that：Including right It is required that the rotational locking device described in 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625637.9U CN206938539U (en) | 2017-05-31 | 2017-05-31 | Rotational locking device and the automobile seat arm with rotational locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625637.9U CN206938539U (en) | 2017-05-31 | 2017-05-31 | Rotational locking device and the automobile seat arm with rotational locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206938539U true CN206938539U (en) | 2018-01-30 |
Family
ID=61362450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625637.9U Active CN206938539U (en) | 2017-05-31 | 2017-05-31 | Rotational locking device and the automobile seat arm with rotational locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206938539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103758A (en) * | 2021-11-24 | 2022-03-01 | 舒茨曼座椅（宁波）有限公司 | Armrest adjusting device, seat and vehicle |
-
2017
- 2017-05-31 CN CN201720625637.9U patent/CN206938539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103758A (en) * | 2021-11-24 | 2022-03-01 | 舒茨曼座椅（宁波）有限公司 | Armrest adjusting device, seat and vehicle |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401122 No. 4, Changfu West Road, North District, Chongqing Economic and Technological Development Zone Patentee after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: 401122 No. 4, Changfu West Road, North District, Chongqing Economic and Technological Development Zone Patentee before: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |