CN209073916U - A kind of seat height adjustment mechanism - Google Patents
A kind of seat height adjustment mechanism Download PDFInfo
- Publication number
- CN209073916U CN209073916U CN201821478420.0U CN201821478420U CN209073916U CN 209073916 U CN209073916 U CN 209073916U CN 201821478420 U CN201821478420 U CN 201821478420U CN 209073916 U CN209073916 U CN 209073916U
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- China
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- pedestal
- button
- seat
- adjusting knob
- lifting platform
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Abstract
The utility model discloses a kind of seat height adjustment mechanisms, including fixed pedestal and the lifting platform being installed on seat, adjustable column is housed between pedestal and lifting platform, the locking assembly of adjusting knob and lock adjustment knob is also equipped on pedestal, adjustable column is hinged with lifting platform, and the casing for being respectively equipped with helical spline between adjusting knob and adjustable column and being matched with helical spline, adjustable column rotation is driven by rotation adjusting knob, and the adjustable column rotated will change height, so that seat be driven to realize lifting.The regulating mechanism structure is simple, compact, and its operation is extremely convenient, quick, can improve operation ease while simplification device structure.
Description
Technical field
The utility model relates to height adjustment device, more particularly to a kind of for adjusting the regulating mechanism of seat height.
Background technique
Seat is essential life appliance in people's daily life, and the fixed seat of height generally has biggish knot
Structure intensity, but applicability is lower, so, in order to meet different use needs, it can be arranged on many seats and adjust seat height
The device of degree, but the structure of existing regulating device is all complex, leads to its inconvenient, production difficulty or bulky.
Utility model content
The main purpose of the utility model is the seat height adjustment mechanism for proposing that a kind of structure is simple and easy to operate, with
Simplify structure, improves operation ease.
It to achieve the above object, include the liter being installed on seat the utility model proposes a kind of seat height adjustment mechanism
Platform is dropped, is fixedly installed pedestal below lifting platform, pedestal is provided with helical spline, adjusting knob is also equipped on pedestal, and adjust
Section knob connects and helical spline is driven to rotate, and locking is also equipped on pedestal or is detached from the locking assembly of adjusting knob;Lifting platform
Adjustable column is housed between pedestal, the upper end of adjustable column is hinged with lifting platform and lower end is equipped with casing, and casing is placed on helical spline
On, and the tooth socket of the indent matched with helical spline is provided on the inside of casing.
Technical solutions of the utility model, seat are the target adjusted, are connected with each other with lifting platform and go up and down together, go up and down
Adjustable column is housed between platform and pedestal, adjustable column be both used as supporting element and Seat support by lifting platform and thereon on pedestal,
On the other hand, the lower end of adjustable column is provided with casing, which is connected with the helical spline on pedestal, and helical spline is outside it
Several key teeths are provided with the hand of spiral on periphery, and the inside of casing is then correspondingly provided with the tooth being recessed inwardly
Slot cooperates between tooth socket and key teeth;When needing to adjust height of seat, operator releases locking assembly and adjusting knob
Locking relation, then rotation adjusts rotation and helical spline is driven to rotate, so that key teeth on helical spline is on the inside of casing
Tooth socket formed and squeeze and rotate casing, adjustable column will drive mobile with the hinged lifting platform in the upper end and seat as a result, together
When, since the height in vertical direction will be changed when adjustable column rotation, to make the adjusting of seat realization height, until seat tune
After section to desired height, adjusting knob is relocked using locking assembly.The regulating mechanism structure is simple, compact, and its
Operate it is extremely convenient, quick, can simplify device structure while improve operation ease.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of seat height adjustment mechanism.
Fig. 2 is the use state diagram of seat height adjustment mechanism.
Fig. 3 is the side structure schematic view of seat height adjustment mechanism shown in Fig. 2.
Fig. 4 is the partial structurtes explosive view of seat height adjustment mechanism.
Fig. 5 is the attachment structure schematic diagram of lifting platform and seat.
Fig. 6 is the schematic cross-sectional view of chassis interior structure.
Fig. 7 is the perspective view of the explosion of chassis interior structure shown in Fig. 6.
Specific embodiment
Below in conjunction with attached drawing, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.It is practical based on this
Embodiment in novel, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, is fallen within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as up, down, left, right, before and after,
Top, bottom, inside and outside, vertical, transverse direction, longitudinal direction, counterclockwise, clockwise, circumferentially, radially, axially ...), then directionality indicates only
For explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if
When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, if relating to the description of " first " or " second " etc. in the utility model embodiment, should " first " or
The description of person " second " etc. is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated
The quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can explicitly or implicitly include to
Few this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be common with this field
Based on technical staff can be realized, this skill will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of art scheme is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of seat height adjustment mechanisms.
In the utility model embodiment, as shown in Figs 1-4, which includes the liter being installed on seat
Platform 1 is dropped, is fixedly installed pedestal 2 below lifting platform, pedestal is provided with helical spline 3, adjusting knob 4 is also equipped on pedestal,
And adjusting knob connects and helical spline is driven to rotate, and locking is also equipped on pedestal or is detached from the locking assembly of adjusting knob;It rises
It drops and adjustable column 5 is housed between platform and pedestal, the upper end of adjustable column is hinged with lifting platform and lower end is equipped with casing 6, and casing is placed on spiral shell
The tooth socket 7 of the indent matched with helical spline is provided on japanese bearbind key, and on the inside of casing.
Seat 100 is the target adjusted, is connected with each other with lifting platform and goes up and down together, is equipped between lifting platform and pedestal
Adjustable column, adjustable column be both used as supporting element and Seat support by lifting platform and thereon on pedestal, on the other hand, adjustable column
Lower end is provided with casing, which is connected with the helical spline on pedestal, and helical spline is on its outer cylinder surface with spiral
Direction is provided with several key teeths, and the inside of casing is then correspondingly provided with the tooth socket being recessed inwardly, between tooth socket and key teeth
It cooperates;When needing to adjust height of seat, operator releases the locking relation of locking assembly and adjusting knob, then turns
It is dynamic to adjust rotation and helical spline is driven to rotate, so that the key teeth on helical spline forms the tooth socket on the inside of casing and squeezes and make
Casing rotation, adjustable column will drive mobile with the hinged lifting platform in the upper end and seat as a result, simultaneously as adjustable column rotates
When will change the height in vertical direction, so that seat be made to realize the adjusting of height, until after seat is adjusted to desired height, benefit
Adjusting knob is relocked with locking assembly.
The seat height adjustment mechanism, lifting platform 1 are dismantledly installed on seat, specifically can with as shown in figure 5,
The two opposite sides of lifting platform 1 are respectively arranged with several buckling grooves 11 being recessed inwardly, and buckling plate 12, buckling plate are housed on seat
One end can be inserted into buckling groove in, between the other end and seat of buckling plate equipped with fasten spring 13, fasten the force side of spring
To direction buckling groove.When needing to dismantle lifting platform and seat, pulls buckling plate and its end is made to leave buckling groove, can facilitate
The connection of ground contact lifting platform and seat;And when needing to reconnect them, fasten the buckling groove of lifting platform and seat
Plate is opposite, and buckling plate is pressed into buckling groove under the action of fastening spring automatically.The structure is simple, easy to operate and work is steady
It is fixed, the maintenance of equipment can be convenient for, be also beneficial to be further simplified device structure and improve operation ease.
Locking assembly can be locking pin, lock etc., can also be as shown in fig. 6, locking assembly includes being set on pedestal 2
Through-hole, the both ends that through-hole is located on pedestal are fixedly installed left end cap 21 and right end cap 22, and left end cap and right end cap respectively
On be equipped with the through-hole axially to coincide with base plate through holes;Button 81 is housed, adjusting knob 4 is installed on right end cap on left end cap
It is interior, separately have a connecting rod 82 that axial direction is consistent with base plate through holes, one end of connecting rod with a fixation in button or adjusting knob
Connection and the other end is connect by bearing 83 with another;There are also button spring 84, button spring be installed on button and pedestal it
Between, and button spring to button apply backwards to adjusting knob power, adjusting knob towards the side of button be equipped with guide rod or
Guide groove 85, right end cap are equipped with and adjust the spiral cover guide groove or guide rod that match, and guide rod on adjusting knob or
Guide groove enters the guide groove or guide rod of right end cap under button spring effect, and button is mobile towards adjusting knob and drives section rotation
Guide rod or guide groove on button exit the guide groove or guide rod of right end cap.In the locking assembly, left end cap and right end cap can
To be the components being fixedly installed on pedestal, a part being also possible on pedestal, installed at left and right end cap respectively button and
Adjusting knob, and guide groove can be set on adjusting knob, guide rod also can be set, be with adjusting knob setting guide groove
Example, in the state that seat is fixed, button spring applies the active force backwards to adjusting knob to button, so that button passes through connecting rod
The guide rod on the guide groove indentation right end cap on adjusting knob is driven, right end cap can be to the limit of adjusting knob-shaped circumferentially
Position, seat will not generate height change;And when needing to adjust seat height, button press makes guide groove and the right side of adjusting knob
The guide rod of end cap separates, and operator can adjust the height at seat by adjusting knob.The structure letter is answered but the operation is stable,
Accurately, and adjusting knob is hidden in pedestal in the non-use state, can be formed and is effectively protected to entire regulating mechanism.More
Further, it also can be set in order to preferably protect button and adjusting knob, between button 81 and left end cap 21 and pedestal
Axially parallel guide groove and guide rod, guide rod and guide groove here can be the spline for being provided with straight line key teeth to through-hole
Circumferential direction limit is carried out to button using left end cap in the structure so as to simplify structure with matched tooth socket, it can be to prevent
Only button generation improperly rotates and influences regulating mechanism.
It is equipped in addition, be cased with drive screw 9 on connecting rod 82, between drive screw and adjusting knob 4 and mutually circumferentially to limit
Connection component, equipped with the transmission nut 31 being threadedly coupled with drive screw on helical spline 3.Adjusting knob drives drive screw to turn
It is dynamic, and drive screw is moved axially while rotation by screw drive helical spline, the key teeth on helical spline is
Adjustable column 5 can be driven to go up and down.The drive mechanism is set in pedestal, device structure can be made more compact, and it is steady to work
It is fixed, easy to operate.
, there is support column 10 in the seat height adjustment mechanism, and the both ends of support column are cut with scissors with lifting platform 1 and pedestal 2 respectively
It connects, and two hinged ends of support column, adjustable column 5 are parallel four side with the axial location of the hinged end of lifting platform and casing 6
The support strength of structure can be improved by the setting of support column as shown in A, B, C, D in Fig. 3 for four angles position of shape,
Make to be always positioned at horizontality during seat adjustment simultaneously, advantageously ensures that the comfort of seat.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (7)
1. a kind of seat height adjustment mechanism, it is characterised in that: including the lifting platform (1) being installed on seat, under lifting platform
Side is fixedly installed pedestal (2), and pedestal is provided with helical spline (3), is also equipped on pedestal adjusting knob (4), and adjusting knob
It connects and helical spline is driven to rotate, locking is also equipped on pedestal or is detached from the locking assembly of adjusting knob;Lifting platform and pedestal
Between adjustable column (5) are housed, the upper end of adjustable column and lifting platform are hinged and lower end is equipped with casing (6), and casing is placed on helical spline
On, and the tooth socket (7) of the indent matched with helical spline is provided on the inside of casing.
2. seat height adjustment mechanism as described in claim 1, it is characterised in that: lifting platform (1) is dismantledly installed on seat
On chair.
3. seat height adjustment mechanism as claimed in claim 2, it is characterised in that: the two opposite sides of lifting platform (1) are set respectively
Several buckling grooves (11) being recessed inwardly are equipped with, buckling plate (12) are housed on seat, one end of buckling plate can be inserted into buckling groove
Interior, equipped with spring (13) are fastened between the other end and seat of buckling plate, the force direction for fastening spring is directed toward buckling groove.
4. seat height adjustment mechanism as described in claim 1, it is characterised in that: locking assembly includes being set to pedestal (2)
On through-hole, the both ends that through-hole is located on pedestal are fixedly installed left end cap (21) and right end cap (22) respectively, and left end cap with
The through-hole axially to coincide with base plate through holes is equipped on right end cap;Button (81) are housed on left end cap, adjusting knob (4) installation
In the connecting rod (82) in right end cap, separately having axial direction consistent with base plate through holes, one end of connecting rod in button or adjusting knob
One be fixedly connected and the other end is connect by bearing (83) with another;There are also button spring (84), button spring installations
Between button and pedestal, and button spring applies the power backwards to adjusting knob to button, and adjusting knob is towards the side of button
It is equipped with guide rod or guide groove (85), right end cap is equipped with the guide groove or guide rod to match with adjusting spiral cover, and adjusts
Guide rod or guide groove on knob enter the guide groove or guide rod of right end cap under button spring effect, and button is revolved towards adjusting
Button is mobile and guide rod or guide groove on section knob is driven to exit the guide groove or guide rod of right end cap.
5. seat height adjustment mechanism as claimed in claim 4, it is characterised in that: set between button (81) and left end cap (21)
It is equipped with and the axial parallel guide groove and guide rod of base plate through holes.
6. seat height adjustment mechanism as described in claim 4 or 5, it is characterised in that: connecting rod is cased with drive screw on (82)
(9), it is equipped with the connection component mutually circumferentially limited between drive screw and adjusting knob (4), is equipped with and biography on helical spline (3)
The transmission nut (31) of dynamic screw flight connection.
7. seat height adjustment mechanism as described in claim 1, it is characterised in that: have support column (10), the both ends of support column
Respectively hingedly with lifting platform (1) and pedestal (2), and two hinged ends of support column, adjustable column (5) and lifting platform hinged end with
And the axial location of casing (6) is four angles position of parallelogram.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821478420.0U CN209073916U (en) | 2018-09-11 | 2018-09-11 | A kind of seat height adjustment mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821478420.0U CN209073916U (en) | 2018-09-11 | 2018-09-11 | A kind of seat height adjustment mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209073916U true CN209073916U (en) | 2019-07-09 |
Family
ID=67116263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821478420.0U Active CN209073916U (en) | 2018-09-11 | 2018-09-11 | A kind of seat height adjustment mechanism |
Country Status (1)
Country | Link |
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CN (1) | CN209073916U (en) |
-
2018
- 2018-09-11 CN CN201821478420.0U patent/CN209073916U/en active Active
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