CN110395149A - A kind of automotive seat and its height adjuster - Google Patents
A kind of automotive seat and its height adjuster Download PDFInfo
- Publication number
- CN110395149A CN110395149A CN201910816585.7A CN201910816585A CN110395149A CN 110395149 A CN110395149 A CN 110395149A CN 201910816585 A CN201910816585 A CN 201910816585A CN 110395149 A CN110395149 A CN 110395149A
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- China
- Prior art keywords
- rotation
- driving plate
- pawl
- automotive seat
- ratchet
- 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.)
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- 210000000078 claw Anatomy 0.000 claims abstract description 66
- 230000009471 action Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 210000002421 cell wall Anatomy 0.000 description 7
- 239000002360 explosive Substances 0.000 description 4
- 241000237509 Patinopecten sp. Species 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 235000020637 scallop Nutrition 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/1635—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
- B60N2/167—Ratchet mechanism
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention relates to a kind of automotive seat and its height adjuster, height adjuster includes shell, fixed lid, driving portion, sticking department and the core members equipped with ratchet；Driving portion includes driving plate and pawl and retardance piece, retardance piece is located between fixed lid and core members, the two sides of pawl are respectively equipped with ratchet, the first hinge joint and driving plate of pawl are hinged, second hinge joint and retardance piece are hinged, and driving plate energy band pawl makes the ratchet of pawl side engage or be detached from the ring gear of ratchet around the rotation of the second hinge joint；Sticking department includes snap and lock claw, lock claw is equipped with lock tooth and is rotatably connected by the point of rotation and fixed lid, lock tooth can engage under the action of snap with ring gear, further include connection sheet, and the rotation of connection sheet can act on lock claw around pivot point so that lock tooth and ring gear engagement or disengaging.It can prevent from guaranteeing the comfort of automotive seat in use due to the wriggling of core members so that the height of automotive seat changes.
Description
Technical field
The present invention relates to vehicle seating art fields, and in particular to a kind of automotive seat and its height adjuster.
Background technique
Automotive seat can adjust height by elevating mechanism, provide comfortable seating demand, lifting to meet different user
Mechanism includes the components such as height adjuster and automotive seat tooth plate, wherein height adjuster is for controlling lifting automobile seat function
The realization of energy and holding automobile chair height adjusted, the height adjuster is by two part groups of drive part and core members
At.
In use, core members may occur to wriggle under the action of by alternating load and (slowly turn automotive seat
It is dynamic), the wriggling of core members eventually results in the variation of automobile chair height, and user need to need to readjust vapour over time
The height of vehicle seats, to guarantee the comfort of the automotive seat.
Therefore, how to prevent in use due to the wriggling of core members so that the height of automotive seat changes,
The comfort for guaranteeing automotive seat, is technical problems to be solved needed for those skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of automotive seat and its height adjusters, can prevent in use due to core
The wriggling of heart part guarantees the comfort of automotive seat so that the height of automotive seat changes.
In order to solve the above technical problems, the present invention provides a kind of height adjuster of automotive seat comprising shell, fixation
Lid, driving portion, sticking department and the core members equipped with ratchet, the fixed lid are fixedly arranged on the top of the shell and are enclosed appearance
Chamber is set, the core members and the sticking department are located in the accommodating cavity, and the ratchet is equipped with ring gear；The driving portion includes
The driving plate being connect with operation handle and the pawl in the accommodating cavity and retardance piece, the driving plate, the retardance
Piece and the core members are coaxial, and the driving plate is rotatably connected with the fixed lid, and the retardance piece is located in the fixation
Between lid and the core members, the two sides of the pawl are respectively equipped with ratchet, the first hinge joint of the pawl and the driving
Plate is hinged, and the second hinge joint of the pawl and the retardance piece are hinged, and the rotation of the driving plate is able to drive the pawl
It rotates around second hinge joint so that the ratchet of the side of the pawl is engaged or is detached from the ring gear；The lock
Determining portion includes snap and lock claw, and the lock claw is equipped with lock tooth and is rotatably connected by the point of rotation and the fixed lid, the lock
Tooth can engage under the action of the snap with the ring gear, and turn synchronous with the driving plate is additionally provided in the accommodating cavity
Dynamic connection sheet, the rotation of the connection sheet can act on the lock claw around the pivot point so that the lock tooth and institute
It states ring gear engagement or is detached from.
Snap, which is capable of providing elastic force and acts on lock claw, engages the lock tooth of lock claw with the ring gear of ratchet, therefore,
After adjusting height to the appropriate location of automotive seat by the height adjuster, driving plate is back to original position, and connection sheet is back to original
Position, at this point, lock tooth engages under the action of snap with ring gear, when the core members of the height adjuster are due to by alternating load
Influence and when rotating, will drive ratchet wheel, and the rotation of ratchet is transferred to fixed lid by lock claw, due to fixed lid with
Shell is fixed without rotating, therefore constrains the rotation of ratchet, to limit turn of core members and automotive seat
It is dynamic, achieve the effect that anticreep, and then can prevent seat from sinking.
When needing the height to automotive seat to be adjusted, driving plate rotates under the drive of operation handle, and passes through
Connection sheet acts on lock claw and makes lock claw around pivot point, and makes to lock tooth and ring gear disengaging, at this point, sticking department is in unlock
State can adjust the height of the automotive seat, after position regulates, operation handle by the rotation of operation handle (driving plate)
(driving plate) is back to original position, and lock tooth engages again with ring gear to realize locking, prevents the height of automotive seat in use
Degree changes.
The height adjuster can be realized and carry out bi-directional drive adjusting to the height and position of automotive seat, meanwhile, sticking department
Structure is simple, it can be achieved that in use, limiting for the wriggling of core members, so that automotive seat is able to maintain more
Comfortable height, and then guarantee the comfort of automotive seat.
Optionally, the connection sheet is equipped with slideway and is opened in the limiting slot of the slideway, and the lock claw further includes limit
Part, the locating part and the lock tooth are located at the two sides of the point of rotation, when the locating part and the limiting slot cooperate,
The lock tooth is engaged with the ring gear, and when the locating part is slided along the slideway, the lock tooth and the ring gear are detached from；
The rotation of the connection sheet can make the locating part along the inner wall of the limiting slot slide into the slideway and along the slideway
Sliding.
Optionally, the snap is the flat spring being located between the connection sheet and the lock claw, the flat spring with
The lock claw is fixed.
Optionally, the flat spring is equipped with connecting hole, and the connecting hole is sheathed on the outside of the point of rotation and can be around institute
State pivot point.
Optionally, the distance between the point of rotation and the lock tooth are greater than between the point of rotation and the locating part
Distance.
Optionally, the sticking department includes two lock claw, and two lock claw are right about the radial direction of the ratchet
Claim setting.
Optionally, in the upper surface of the lock claw and the lower end surface of the fixed lid, one is equipped with pillar, and another one is equipped with
Through-hole compatible with the pillar or groove, the pillar be located in the through-hole or groove and can relative to the through-hole or
Groove rotation, to form the point of rotation.
Optionally, the fixation is covered with irregularly-shaped hole, and the exterior rim of the irregularly-shaped hole is that opening is covered towards the fixation
The arc-shaped side at center, the circumferential two sides of the arc-shaped side are provided with the elongated hole extended to the side at the center of the fixed lid；
First hinge joint passes through the irregularly-shaped hole and hinged with the driving plate, and the pawl is the two of first hinge joint
Side is respectively equipped with a side boss, and for the driving plate in being back to situ process, the side boss can be adjacent to the arc-shaped side
And slided along the arc-shaped side, so that the ratchet and the ring gear are detached from.
Optionally, the retardance piece is additionally provided with the elastic component for being capable of providing axial support force.
In addition, the present invention also provides a kind of automotive seats comprising height adjuster as described above.
The technology of automotive seat with height adjuster as described above, technical effect and above-mentioned height adjuster is imitated
Seemingly, to save length, details are not described herein for fruit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the height adjuster of automotive seat provided by the embodiment of the present invention；
Fig. 2 is the explosive view of Fig. 1；
The structural schematic diagram that the portion of being locked out Fig. 3 is in the lock state；
Fig. 4 is locked out portion's structural schematic diagram in the unlocked state；
Fig. 5 is locked out the explosive view in portion；
Fig. 6 is the structural schematic diagram of pawl；
Fig. 7 is the structural schematic diagram of fixed lid.
In attached drawing 1-7, the reference numerals are as follows:
1- shell；
The fixed lid of 2-, 21- irregularly-shaped hole, 211- arc-shaped side, 212- elongated hole, 22- through-hole or groove；
3- driving plate, 31- baffle；
4- sticking department, 41- lock claw, 411- lock tooth, 412- locating part, 413- pillar, 42- snap, 421- connecting hole, 43-
The point of rotation；
5- ratchet, 51- ring gear；
6- pawl, 61- ratchet, the first hinge joint of 62-, the second hinge joint of 63-, the side 64- boss；
7- blocks piece, 71- elastic component；
8- core members；
9- connection sheet, 91- limiting slot, 92- slideway；
10- torsional spring, 101- supporting leg；
11- shaft；
12- baffle.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention
Applying example, the present invention is described in further detail.
Fig. 1-7 is please referred to, Fig. 1 is the structural representation of the height adjuster of automotive seat provided by the embodiment of the present invention
Figure；Fig. 2 is the explosive view of Fig. 1；The structural schematic diagram that the portion of being locked out Fig. 3 is in the lock state；The portion of being locked out Fig. 4 is in unlock shape
The structural schematic diagram of state；Fig. 5 is locked out the explosive view in portion；Fig. 6 is the structural schematic diagram of pawl；Fig. 7 is that the structure of fixed lid is shown
It is intended to.
The embodiment of the invention provides a kind of automotive seat and its height adjusters, wherein automotive seat includes above-mentioned height
Adjuster is spent, height adjuster is used to adjust the height of automotive seat, so that automotive seat can satisfy the height requirement of user,
Improve the comfort of user.
Specifically, height adjuster includes shell 1, fixed lid 2, driving portion, sticking department 4 and core members 8, wherein fixed
Lid 2 is fixedly arranged on the top of shell 1 and the two is enclosed an accommodating cavity, and core members 8 and sticking department 4 are respectively positioned on the accommodating cavity
It is interior, and core members 8 are equipped with ratchet 5, and ratchet 5 is equipped with ring gear 51.
Driving portion includes driving plate 3 and pawl 6 and retardance piece 7 in accommodating cavity, wherein driving plate 3, retardance piece 7
It is coaxially disposed with core members 8.Specifically, driving plate 3 is rotatably connected with fixed lid 2, retardance piece 7 is located in fixed lid 2 and core
Between heart part 8, the two sides of pawl 6 are respectively equipped with ratchet 61 compatible with ring gear 51, and pawl 6 includes 62 He of the first hinge joint
Second hinge joint 63, wherein the first hinge joint 62 and driving plate 3 are hinged, the second hinge joint 63 and retardance piece 7 are hinged.
Particularly, the first hinge joint 62 of pawl 6 and the second hinge joint 63 are not coaxially disposed, and the second hinge joint 63
It is not coaxial with the pivot center (i.e. driving plate 3, fixed lid 2, the axis for blocking piece 7 and core members 8) of retardance piece 7, so that with the
The hinged driving plate 3 of one hinge joint 62 is able to drive pawl 6 in rotation and rotates.
Retardance piece 7 is located between fixed lid 2 and core members 8, when driving plate 3 drives ratchet 5 to rotate, 5 energy of ratchet
Enough drive retardance piece 7 that it is made to generate the trend of rotation by the second hinge joint 63, and since retardance piece 7 is clamped in fixed 2 He of lid
Between core members 8, so that blocking piece 7 when rotating relative to core members 8 and fixed lid 2, since the effect of frictional resistance will make
Its rotation is obstructed.It therefore, can be by the first hinge joint 62 with pawl 6 when driving plate 3 rotates under the action of operation handle
Rotation, since the retardation (frictional resistance) of retardance piece 7 rotates pawl 6 around the second hinge joint 63, so that pawl 6
The ratchet 61 of side engaged with ring gear 51, and when operation handle return, driving plate 3 rotates backward and return is (i.e. reversed
Turn to initial position, middle position of the driving plate 3 relative to the rotation section of shell 1), driving plate 3 rotates backward at this time
It will be rotated backward around the second hinge joint 63 until its ratchet 61 is detached from ring gear 51 with pawl 6.
The two sides of pawl 6 are respectively equipped with ratchet 61, that is to say, that driving plate 3 is understood under the action of operation handle to positive and negative
Both direction rotation, and the rotation of the both direction of driving plate 3 can drive ratchet 5 to turn to ratchet 61 around the second hinge joint 63
It is engaged with ring gear 51, the bi-directional drive of the height adjuster thus can be realized.Certainly, in the present embodiment, 6 liang of pawl
In the ratchet 61 of side, it can be engaged with ring gear 51 in the ratchet 61 of synchronization, at most only side.
Sticking department 4 includes snap 42 and lock claw 41, wherein lock claw 41 is equipped with lock tooth 411 and passes through the point of rotation 43 and fix
Lid 2 is rotatably connected, wherein the axis of the point of rotation 43 and fixed lid 2 is not coaxial, that is to say, that lock claw 41 only can be relative to
Fixed lid 2 is rotated around the point of rotation 43, therebetween by the limitation of the point of rotation 43 without lock claw 41 occurs around the axis of fixed lid 2
Line rotation, lock tooth 411 can be engaged to limit the rotation of ratchet 5 with ring gear 51 under the action of snap 42, be gone back in accommodating cavity
Equipped with the connection sheet 9 rotated synchronously with driving plate 3, the rotation of the connection sheet 9 can act on lock claw 41 and rotate around the point of rotation 43
So that lock tooth 411 and the engagement of ring gear 51 or disengaging.
Particularly, snap 42 is capable of providing elastic force and acts on lock tooth 411 and ratchet 5 that lock claw 41 makes lock claw 41
Ring gear 51 engage, therefore, when by the height adjuster adjust automotive seat height to appropriate location after, driving plate 3
It is back to original position, connection sheet 9 is back to original position, at this point, lock tooth 411 engages under the action of snap 42 with ring gear 51, when the height
When the core members 8 of adjuster rotate due to being influenced by alternating load, it will drive ratchet 5 and rotate, and turn of ratchet 5
It is dynamic that fixed lid 2 is transferred to by lock claw 41, since fixed lid 2 is fixed without rotating with shell 1, constrain ratchet 5
Rotation achieve the effect that anticreep to limit the rotation of core members 8 and automotive seat, and then can prevent under seat
It is heavy.
When needing the height to automotive seat to be adjusted, driving plate 3 rotates under the drive of operation handle, and passes through
Connection sheet 9 acts on lock claw 41 and lock claw 41 is rotated around the point of rotation 43, and makes to lock tooth 411 and the disengaging of ring gear 51, at this point, lock
Determine that portion 4 is in the unlocked state, the rotation that can pass through operation handle (driving plate 3) adjusts the height of the automotive seat, and position is adjusted
After good, operation handle (driving plate 3) is back to original position, and lock tooth 411 engages again to realize locking with ring gear 51, prevents from using
The height of automotive seat changes in the process.
Height adjuster in the present embodiment can be realized and carry out bi-directional drive adjusting to the height and position of automotive seat,
Meanwhile 4 structure of sticking department is simple, it can be achieved that in use, limiting for the wriggling of core members 8, so that automotive seats
Chair is able to maintain more comfortable height, and then guarantees the comfort of automotive seat.
In addition, core members 8 are equipped with shaft 11 in the present embodiment, retardance piece 7, fixed lid 2 and driving plate 3 are successively socketed on
In shaft 11, to realize the coaxial arrangement between core members 8, retardance piece 7, fixed lid 2 and driving plate 3, certainly, the present embodiment
In, shaft 11 can also be set to any one in retardance piece 7, fixed lid 2 and driving plate 3.
In the above-described embodiments, connection sheet 9 is equipped with slideway 92 and is opened in the limiting slot 91 of slideway 92, lock claw 41 include with
The compatible locating part 412 of limiting slot 91, when locating part 412 and the cooperation of limiting slot 91, lock tooth 411 is engaged with ring gear 51,
Sticking department 4 locks, the limited in rotation of ratchet 5, and when locating part 412 is slided along slideway 92, lock tooth 411 and ring gear 51 are de-
From sticking department 4 unlocks, and the rotation of ratchet 5 is no longer limited.
Particularly, locating part 412 and lock tooth 411 are located at the two sides of the point of rotation 43, and the lock claw 41 can be around rotation
Turning point 43 rotates, and therefore, lock claw 41 is equivalent to the structure of a wraping plate, and the point of rotation 43 is the fulcrum of the wraping plate, the bullet of snap 42
Power effect enables to lock tooth 411 to engage with ring gear 51, and locating part 412 is adjacent to towards slideway 92 and limiting slot 91
Side, and when driving plate 3 rotates under the action of operation handle, it is able to drive the rotation of connection sheet 9, so that locating part 412 is pressed
Tight snap 42 and be adjacent under the effect of the elastic force of snap 42 limiting slot 91 cell wall and along cell wall slide into slideway 92 after along slideway
92 slidings, and during locating part 412 skids off limiting slot 91 along cell wall, lock claw 41 rotates around the point of rotation 43 and to lock tooth
411 progressively disengage with ring gear 51, until sticking department 4 reaches unlocked state (as shown in Figure 4)；When driving plate 3 rotates backward,
Connection sheet 9 rotates backward, and when so that locating part 412 being moved backward along slideway 92 to limiting slot 91, lock claw 41 is again around rotation
Point 43 rotates backward and when driving plate 3 and connection sheet 9 go in situ, and locating part 412 and limiting slot 91 cooperate, lock tooth 411 with
Ring gear 51 engages, i.e., the sticking department 4 reaches lock state (as shown in Figure 3).
Such setting may make the overall structure of the sticking department 4 simple, it is only necessary to the lock can be realized by rotary drive plate 3
The locking and unlocking process for determining portion 4, without manually carrying out additional operation.
In the present embodiment, for limiting slot 91 and slideway 92 specific structure with no restrictions, such as can be by the end of locating part 412
Portion is set as that section is V-shaped and outwardly projecting structure, sets the cell walls such as V-groove or U-type groove and limiting slot for limiting slot 91
91 end face can be sliding slot and be also possible to arc surface in the structure seamlessly transitted, slideway 92.
Alternatively, can also be V-groove by the structure setting of limiting slot 91, when driving plate 3 drives connection sheet in the present embodiment
When 9 rotation, locating part 412 will be moved along the cell wall of V-groove to the direction far from slot bottom, and when driving plate 3 rotates backward,
Locating part 412 will be moved along the cell wall of V-groove to the direction of slot bottom, when locating part 412 is located at the slot bottom of V-groove, the two
As mated condition, driving plate 3 is in situ at this time, and closing piece and outer gear ring cooperate, and sticking department 4 is in the lock state.Such knot
Under structure setting, locating part 412 is always positioned in V-groove.And the scheme for being equipped with limiting slot 91 and slideway 92 can reduce the limiting slot
91 groove width and groove depth simplifies overall structure, reduces processing request.
In the above-described embodiments, snap 42 is the flat spring being located between connection sheet 9 and lock claw 41, flat spring and lock claw
41 is fixed.Alternatively, in the present embodiment snap 42 can also be set to helical spring, and one end of the spiral snap 42 is consolidated
Due between the point of rotation 43 and lock tooth 411 of lock claw 41, and the other end of helical spring is abutted with connection sheet 9, and can be along cunning
Road 92 slides, and the requirement of the snap 42 to arrangement space can be reduced by setting flat spring for snap 42, meanwhile, flat spring
It fixes and is located between connection sheet 9 and lock claw 41 with lock claw 41, may make the installation of the snap 42 more stable.
In the above-described embodiments, flat spring is equipped with connecting hole 421, and connecting hole 421 is sheathed on the outside of the point of rotation 43, so
One, which can rotate around the point of rotation 43, more flexibly, can avoid the flat spring and become after the sliding of slideway 92
The case where shape, guarantees its service life.
In the above-described embodiments, lock claw 41 is equivalent to the structure of a wraping plate, the distance between the point of rotation 43 and lock tooth 411
Greater than the distance between the point of rotation 43 and locating part 412, so that the arm of force of the wraping plate towards the side of lock tooth 411 is greater than towards limit
The arm of force of position 412 side of part, in this way, which locating part 412 locks tooth after sliding lesser distance along the cell wall of limiting slot 91
411 can be rotated biggish distance, i.e., driving plate 3, which drives connection sheet 9 to rotate lesser distance i.e., may make sticking department 4 to unlock,
It is more preferable to unlock sensitivity.
In the above-described embodiments, sticking department 4 includes two lock claw 41, correspondingly, the quantity of snap 42 is also two, slideway
92 set there are two limiting slot 91, and radial symmetric setting of two lock claw 41 about ratchet 5, and as shown in Figure 3 and Figure 4, two are locked
Pawl 41 is substantially arranged in splayed, also, the locating part 412 of two lock claw 41 is opposite, i.e., the locating part 412 of one lock claw 41 leans on
The locating part 412 of another nearly lock claw 41 is arranged.
Certainly, in the present embodiment, anticreep effect only can also be realized by one group of lock claw 41 and snap 42, and two
Group lock claw 41 and snap 42 can be two-way anticreep to height adjuster progress, as shown in Figure 3 and Figure 4, the lock claw set on left side
41 are mainly used for the anticlockwise wriggling of restricting vehicle seat, and the lock claw 41 for being set to right side is mainly used for restricting vehicle seat
The clockwise wriggling of chair, i.e. lock claw 41 can restricting vehicle seat from lock tooth 411 to the direction of 412 side of locating part
Rotation.Since the distance between the point of rotation 43 and lock tooth 411 are greater than the distance between the point of rotation 43 and locating part 412, lead to
Crossing two lock claw 41 prevents automotive seat from wriggling, more reliably, automotive seat stability it is more preferable.
Alternatively, in the present embodiment, it, can also be by the lock tooth of a lock claw 41 when two lock claw 41 are substantially arranged in splayed
411 close to another lock claw 41 lock tooth 411 be arranged, two lock claw 41 can equally prevent automotive seat it is clockwise wriggling with
It wriggles counterclockwise.It can be specifically configured according to the internal structure of accommodating cavity and the structure of connection sheet 9.
In the above-described embodiments, the top of lock claw 41 is equipped with pillar 413, and fixed lid 2 is equipped with compatible with pillar 413 logical
Hole or groove 22, pillar 413 is located in through-hole or groove 22 and can rotate in the through-hole or groove 22, to form above-mentioned rotation
Point 43, alternatively, the lower surface of fixed lid 2 can also be equipped with to pillar 413, the top of lock claw 41 is equipped with and this in the present embodiment
The compatible through-hole of pillar 413 or groove 22, that is to say, that be by pillar 413 and through-hole or groove in the present embodiment
22 form the above-mentioned point of rotation 43, so that lock claw 41 is rotated relative to fixed lid 2 around the point of rotation 43.
In the above-described embodiments, above-mentioned connection sheet 9 is set to fixed side of the lid 2 far from driving plate 3, and connection sheet 9, which is set to, to be held
Set intracavitary, driving plate 3 is set to outside accommodating cavity, and connection sheet 9 passes through the center of fixed lid 2 and fixed with driving plate 3, is existed to realize
It is axial upper that driving plate 3 is limited, enable driving plate 3 rotated relative to fixed lid 2 and the two without departing from.Specifically
, the center of fixed lid 2 is equipped with centre bore, and the centre bore and 11 line of rotary shaft of driving plate 3 are coaxial, and connection sheet 9 is equipped with sleeve,
Sleeve passes through centre bore and is welded and fixed with driving plate 3.Alternatively, the connection sheet 9 can also be set as being fixed in the present embodiment
Side of the lower surface of driving plate 3 far from pawl 6, while fixed lid 2 is equipped with the centre bore passed through for the connection sheet 9, and will even
Contact pin 9 is arranged through the center of fixed lid 2 and the scheme fixed with driving plate 3 can simplify overall structure, while the connection sheet 9
Axial limiting can also be carried out to driving plate 3.
In the above-described embodiments, as shown in fig. 7, fixed lid 2 is equipped with irregularly-shaped hole 21, the exterior rim of irregularly-shaped hole 21 is opening court
To the arc-shaped side 211 of the side at the center of fixed lid 2, the circumferential two sides of arc-shaped side 211 are provided with to the center far from fixed lid 2
The elongated hole 212 that extends of side, the first hinge joint 62 passes through irregularly-shaped hole 21 and hinged with driving plate 3, and pawl 6 is in the first hinge
The two sides of contact 62 are respectively equipped with a side boss 64, and driving plate 3 is back in situ process by extreme position, and side boss 64 can
It is adjacent to arc-shaped side 211 and arcuately side 221 is slided, so that pawl 6 and ring gear 51 are detached from.
Wherein, the exterior rim of irregularly-shaped hole 21 refers to the hole edge of side of the irregularly-shaped hole 21 far from fixed 2 center of lid, specifically,
The irregularly-shaped hole 21 can be scallop hole and be also possible to arcuate socket, be not particularly limited herein.First hinge joint 62 of pawl 6
It can be moved in irregularly-shaped hole 21, to realize that it is flexible hinged between driving plate 3, side boss 64 can move in irregularly-shaped hole 21
Dynamic, and when driving plate 3 turns to extreme position and during being back to original position, when band pawl 6 inverts, pawl 6 is first around the
Two hinge joints 63 invert so that intermeshing ratchet 61 and ring gear 51 are detached from, and the ratchet 61 of 6 other side of pawl have with
The trend that ring gear 51 engages, but the ipsilateral side boss 64 with the ratchet 61 with the trend that engages will be pasted with arc-shaped side 211
It is tight and slided along the arc-shaped side 211, to limit the rotational angle of the pawl 6, thus avoid the other side ratchet 61 of the pawl 6 with
Ring gear 51 engages.Guarantee driving plate 3 before being back to original position, the ratchet 61 of 6 two sides of pawl is remained disengaged from ring gear 51
State, until driving plate 3 is back to original position, so that will not generate noise, comfort during driving plate 3 is back to original position
It is good.
Alternatively, the irregularly-shaped hole 21 can also be interpreted as to be set to the arcuate socket or scallop hole of fixed lid 2, in the arc
The hole edge of the side of hole or scallop hole far from fixed 2 center of lid is protruded to the side at fixed 2 center of lid to form above-mentioned arc-shaped side
211, the part of the circumferential two sides of arc-shaped side 211 forms above-mentioned elongated hole 212.As shown in fig. 7, in the present embodiment, elongated hole 212
Not only extend to the side at the center far from fixed lid 2, while also circumferentially extending outwardly, in this way, can be for pawl 6
While rotation provides sufficient space, additionally it is possible to which the sectional area for reducing the irregularly-shaped hole 21 guarantees the intensity of the fixation lid 2.
In the above-described embodiments, retardance piece 7 is additionally provided with the elastic component 71 for being capable of providing axial support force, specifically, can incite somebody to action
The elastic component 71 is set as helical spring or elastic piece, is not particularly limited herein.The elastic component 71 can be retardance
Piece 7 provides axial support force so that the lower surface of retardance piece 7 is adjacent to core members 8.Specifically, as shown in Fig. 2, the middle part of ratchet 5
Equipped with the connection structure that other driving structures with core members 8 are connect, the top end face of the connection structure is equipped with circular table, retardance
The lower end surface of piece 7 circular table is adjacent to and generates frictional resistance during rotation, certainly, in the present embodiment, can also incite somebody to action
Block the lower end surface of piece 7 and other location contacts of core members 8 to generate frictional resistance, herein and is not particularly limited.
Elastic component 71 can be set to the top of retardance piece 7, so that the upper surface of elastic component 71 and the lower end surface of fixed lid 2 connect
The lower end surface of touching, retardance piece 7 is contacted with core members 8, alternatively, elastic component 71 can also be set to the lower section of retardance piece 7, elastic component
71 lower end surface is contacted with core members 8, blocks the upper surface of piece 7 and the lower end face contact of fixed lid 2, when installation, fixed 2 energy of lid
Enough effects that precompressed is generated from elastic component 71 of the top to retardance piece 7, enable retardance piece 7 in fixed lid 2 and core members 8
It is in preloading condition between (ratchet 5), during rotation, fixed lid 2 and core members 8 can be ratchet 5 simultaneously from upper and lower two sides
Block piece 7 and frictional resistance is provided, to guarantee it with enough frictional force, the setting of the elastic component 71 also can avoid generation should
The case where retardance piece 7 is subject to crushing, guarantees its service life.
Specifically, the first hinge joint 62 of pawl 6 is hinged with driving plate 3 in the present embodiment, hinged structure is not done
Concrete restriction, as shown in Figure 2 and Figure 6, in the present embodiment, driving plate 3 is equipped with drive hole, and pawl 6 is equipped with driving boss, drives convex
Platform is located in drive hole after passing through irregularly-shaped hole 21, to realize that the rotation of driving plate 3 can be rotated with pawl 6.Alternatively, the present embodiment
In, driving plate 3 can also be equipped with to driving boss, pawl 6 is equipped with drive hole, to realize that the rotation of driving plate 3 can be with pawl 6
Rotation, is not particularly limited herein.Likewise, pawl 6 is hinged by the second hinge joint 63 and retardance piece 7, specifically, can
To be that pawl 6 is equipped with hinge hole, retardance piece 7 is equipped with hinged protrusion, hinge hole and hinged male cooperation to realize pawl 6 and retardance
It is hinged between piece 7, or can also be that pawl 6 is equipped with hinged protrusion, retardance piece 7 is equipped with hinge hole, does not do have herein
Body limitation.
In the above-described embodiments, which further includes being fixedly arranged on the baffle 12 of 1 outer wall of shell and being sheathed on shell 1
Torsional spring 10, driving plate 3 is equipped with baffle 31, and baffle 12 and baffle 31 be respectively positioned between two supporting legs 101 of torsional spring 10, baffle 12
It is fixed with shell 1, it is limited for the position to torsional spring 10, driving plate 3 will push the supporting leg 101 of torsional spring 10 to rotate after rotating
And torsional spring 10 is compressed, and when the active force for withdrawing from operation handle, driving plate 3 will be back to original position under the action of torsional spring 10.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of height adjuster of automotive seat, which is characterized in that including shell (1), fixed lid (2), driving portion, sticking department
(4) it is fixedly arranged on the top of the shell (1) with the core members (8) equipped with ratchet (5), the fixed lid (2) and is enclosed appearance
Chamber is set, the core members (8) and the sticking department (4) are located in the accommodating cavity, and the ratchet (5) is equipped with ring gear (51)；
The driving portion includes the driving plate (3) connecting with operation handle and pawl (6) and resistance in the accommodating cavity
Stagnant (7), the driving plate (3), the retardance piece (7) and the core members (8) coaxially, the driving plate (3) with it is described solid
Fixed lid (2) is rotatably connected, and the retardance piece (7) is located between the fixed lid (2) and the core members (8), the spine
The two sides of pawl (6) are respectively equipped with ratchet (61), the first hinge joint (62) of the pawl (6) and the driving plate (3) hingedly, institute
Hingedly, the rotation of the driving plate (3) is able to drive described for the second hinge joint (63) for stating pawl (6) and the retardance piece (7)
Pawl (6) rotates the ratchet (61) and the internal tooth so that the side of the pawl (6) around second hinge joint (63)
It encloses (51) engagement or is detached from；
The sticking department (4) includes snap (42) and lock claw (41), and the lock claw (41) is equipped with lock tooth (411) and passes through the point of rotation
(43) be rotatably connected with the fixed lid (2), the lock tooth (411) can under the action of the snap (42) with it is described interior
Gear ring (51) engages, and the connection sheet (9) rotated synchronously with the driving plate (3), the connection sheet are additionally provided in the accommodating cavity
(9) rotation can act on the lock claw (41) and be rotated around the point of rotation (43) so that the lock tooth (411) and described interior
Gear ring (51) engagement is detached from.
2. the height adjuster of automotive seat according to claim 1, which is characterized in that the connection sheet (9), which is equipped with, to be slided
Road (92) and the limiting slot (91) for being opened in the slideway (92), the lock claw (41) further includes locating part (412), the limit
Part (412) and lock tooth (411) are located at the two sides of the point of rotation (43), the locating part (412) and the limit
When slot (91) cooperates, the lock tooth (411) is engaged with the ring gear (51), and the locating part (412) is along the slideway (92)
When sliding, the lock tooth (411) and the ring gear (51) are detached from；
It is described that the rotation of the connection sheet (9) can be such that the locating part (412) slides into along the inner wall of the limiting slot (91)
Slideway (92) is simultaneously slided along the slideway (92).
3. the height adjuster of automotive seat according to claim 2, which is characterized in that the snap (42) is to be located in
Flat spring between the connection sheet (9) and the lock claw (41), the flat spring and the lock claw (41) are fixed.
4. the height adjuster of automotive seat according to claim 3, which is characterized in that the flat spring is equipped with connecting hole
(421), the connecting hole (421) is sheathed on the outside of the point of rotation (43) and can rotate around the point of rotation (43).
5. the height adjuster of automotive seat according to claim 3, which is characterized in that the point of rotation (43) with it is described
It locks the distance between tooth (411) and is greater than the distance between the point of rotation (43) and the locating part (412).
6. the height adjuster of automotive seat according to claim 5, which is characterized in that the sticking department (4) includes two
A lock claw (41), and two lock claw (41) are arranged about the radial symmetric of the ratchet (5).
7. the height adjuster of automotive seat according to claim 1-6, which is characterized in that the lock claw (41)
Upper surface and the fixed lid (2) lower end surface in, one is equipped with pillar (413), and another one is equipped with and the pillar (413)
Compatible through-hole or groove (22), the pillar (413) are located in the through-hole or groove (22) and can be relative to described logical
Hole or groove (22) rotation, to form the point of rotation (43).
8. the height adjuster of automotive seat according to claim 1-6, which is characterized in that the fixed lid
(2) irregularly-shaped hole (21) are equipped with, the exterior rim of the irregularly-shaped hole (21) is arc-shaped side of the opening towards the center of the fixed lid (2)
(211), the circumferential two sides of the arc-shaped side (211) are provided with to what the side at the center far from the fixed lid (2) extended and prolong
Stretch hole (212)；
First hinge joint (62) pass through the irregularly-shaped hole (21) and with the driving plate (3) hingedly, and the pawl (6) In
The two sides of first hinge joint (62) are respectively equipped with a side boss (64), the driving plate (3) in being back to situ process,
The side boss (64) can be adjacent to the arc-shaped side (211) and slide along the arc-shaped side (211), so that the ratchet (61)
It is detached from the ring gear (51).
9. the height adjuster of automotive seat according to claim 1-6, which is characterized in that the retardance piece
(7) it is additionally provided with the elastic component (71) for being capable of providing axial support force.
10. a kind of automotive seat, which is characterized in that including such as described in any item height adjusters of claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816585.7A CN110395149B (en) | 2019-08-30 | 2019-08-30 | Automobile seat and height adjuster thereof |
| PCT/CN2020/111609 WO2021037114A1 (en) | 2019-08-30 | 2020-08-27 | Vehicle seat and height adjuster thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816585.7A CN110395149B (en) | 2019-08-30 | 2019-08-30 | Automobile seat and height adjuster thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110395149A true CN110395149A (en) | 2019-11-01 |
| CN110395149B CN110395149B (en) | 2024-06-25 |
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ID=68329715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910816585.7A Active CN110395149B (en) | 2019-08-30 | 2019-08-30 | Automobile seat and height adjuster thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110395149B (en) |
| WO (1) | WO2021037114A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021037114A1 (en) * | 2019-08-30 | 2021-03-04 | 湖北航嘉麦格纳座椅***有限公司 | Vehicle seat and height adjuster thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110395149B (en) | 2024-06-25 |
| WO2021037114A1 (en) | 2021-03-04 |
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