CN116409220A - Seat adjusting device and seat with same - Google Patents

Seat adjusting device and seat with same Download PDF

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Publication number
CN116409220A
CN116409220A CN202310220360.1A CN202310220360A CN116409220A CN 116409220 A CN116409220 A CN 116409220A CN 202310220360 A CN202310220360 A CN 202310220360A CN 116409220 A CN116409220 A CN 116409220A
Authority
CN
China
Prior art keywords
seat
link
connecting rod
support
gear
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.)
Pending
Application number
CN202310220360.1A
Other languages
Chinese (zh)
Inventor
周俊
李筝
郝薇薇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun Faway Adient Automotive Systems Co Ltd
Original Assignee
Changchun Faway Adient Automotive Systems Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changchun Faway Adient Automotive Systems Co Ltd filed Critical Changchun Faway Adient Automotive Systems Co Ltd
Priority to CN202310220360.1A priority Critical patent/CN116409220A/en
Publication of CN116409220A publication Critical patent/CN116409220A/en
Pending legal-status Critical Current

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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
    • B60N2/10—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 tiltable
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/002—Chair or stool bases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • A47C7/144—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions with array of movable supports
    • 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
    • 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
    • B60N2/1605—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 cinematic
    • 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
    • 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
    • B60N2/1685—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 a lock
    • 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
    • B60N2/62—Thigh-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0639—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with features for adjustment or converting of seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0639—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with features for adjustment or converting of seats
    • B64D11/064—Adjustable inclination or position of seats
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention discloses a seat adjusting device and a seat with the same, wherein the adjusting device comprises a seat base, a transmission structure, a seat support and a driving structure; the seat base comprises a first supporting seat and a second supporting seat; the first transmission structure is pivoted with the first supporting seat; the second transmission structure is pivoted with the second supporting seat; the seat support comprises a first support and a second support, the first transmission structure is connected with the first support, and the second transmission structure is connected with the second support; the driving end of the driving structure is respectively connected with the first transmission structure and the second transmission structure so as to drive the seat bracket to adjust the height and the inclination angle of the seat; the invention can complete the adjustment of the large inclination angle of the cushion and the adjustment of the height of the cushion; the adjusting device can drive the two sides to be locked at two sides, and the inclination angle and the height can be adjusted independently or in a combined way, so that the sitting posture requirements under different scenes can be met; the invention has small height arrangement space and is suitable for scenes sensitive to the height requirement of the seat.

Description

Seat adjusting device and seat with same
Technical Field
The invention relates to the technical field of seat adjustment, in particular to a seat adjusting device and a seat with the same.
Background
With the development and progress of society, users have put forward higher demands on the comfort of seats in various scenes, so that the height adjustment and the inclination adjustment of seat cushions are increasingly focused by users, users with different heights and different body types can sit comfortably through the height adjustment and the inclination adjustment of the seat cushions, and the users are loved by consumers, so that the seat adjustment is gradually becoming the direction of important research in the seat development process of various manufacturers.
Disclosure of Invention
The invention aims to provide a seat adjusting device and a seat with the same, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a seat adjustment apparatus comprising:
a seat base including a first support and a second support;
the first transmission structure is pivotally connected with the first supporting seat; the second transmission structure is pivotally connected with the second supporting seat;
the seat support comprises a first support and a second support, the first transmission structure is connected with the first support, and the second transmission structure is connected with the second support;
the driving structure comprises a first driving structure and a second driving structure, the first driving structure is connected with the first bracket, and the second driving structure is connected with the second bracket;
the driving end of the first driving structure is connected with the first transmission structure, and the first driving structure drives the seat support to adjust the height of the seat through the first transmission structure; the driving end of the second driving structure is connected with the second transmission structure, and the second driving structure drives the seat support to adjust the inclination angle of the seat.
Further, the first transmission structure includes:
the first gear is pivotally connected with the first supporting seat;
the first connecting rod is provided with a first connecting rod axis, the first gear is fixedly connected with the first connecting rod, and two ends of the first connecting rod are respectively and rotatably connected with the first bracket and the second bracket so that the first connecting rod can rotate along the first connecting rod axis;
the first driven rod is fixedly connected with the first link rod and is pivotally connected with the second supporting seat;
the first driving structure comprises a first driving gear, and the driving end of the first driving structure is connected with the first driving gear; the first driving gear is meshed with the first gear to drive the seat support to adjust the height of the seat.
Further, the second transmission structure includes:
a second gear;
the second link rod is sleeved on the first link rod, is connected with the first link rod in a rotating way, and rotates by taking the axis of the first link rod as a rotating shaft, and is fixedly connected with the second gear;
the second driven rod is fixedly connected with the second connecting rod;
the two link mechanisms are respectively and pivotally connected with the second driven rod, the first supporting seat and the first bracket; the other connecting rod mechanism is respectively and pivotally connected with the second gear, the second supporting seat and the second bracket;
the second driving structure comprises a second driving gear, and the driving end of the second driving structure is connected with the second driving gear; the second driving gear is meshed with the second gear to drive the connecting rod mechanism to move, and the connecting rod mechanism drives the seat support to adjust the inclination angle of the seat.
Further, the link mechanism includes:
a front link;
a middle connecting rod, one end of which is pivotally connected with one end of the front connecting rod;
a rear link, one end of which is pivotally connected to the other end of the middle link;
one end, far away from the middle connecting rod, of the rear connecting rod in the connecting rod mechanism is pivotally connected with the second driven rod, the middle part of the middle connecting rod is pivotally connected with the first supporting seat, and one end, far away from the middle connecting rod, of the front connecting rod is pivotally connected with the first bracket; one end, far away from the middle connecting rod, of a rear connecting rod in the other connecting rod mechanism is pivotally connected with the second gear, the middle part of the middle connecting rod is pivotally connected with the second supporting seat, and one end, far away from the middle connecting rod, of the front connecting rod is pivotally connected with the second bracket.
Further, the middle connecting rod is of a V-shaped structure and comprises a first portion and a second portion, the connecting position of the first portion and the second portion is the middle portion of the middle connecting rod, an included angle formed by the first portion and the second portion is an acute angle, the length of the first portion is larger than that of the second portion, the second portion is pivotally connected with the rear connecting rod, and the first portion is pivotally connected with the front connecting rod.
Further, the first portion and the second portion are connected in a staggered manner, so that the rear connecting rod and the first portion are mutually avoided.
Further, the seat support further comprises a support link rod, and the support link rod is connected with the first support and the second support respectively; one end of each of the two rear connecting rods, which is far away from the middle connecting rod, is respectively and pivotally connected with the bracket connecting rod.
Further, the first gear is provided with a limiting groove, the limiting groove is of an arc-shaped structure, and the limiting groove and an arc of the outer edge of the first gear are concentrically arranged; the first support is provided with a limiting pin, the limiting pin is arranged in the limiting groove, at least a part of the limiting pin is always abutted to the groove wall surface of the limiting groove, so that the limiting pin is driven to move along the groove wall surface when the first support is driven relative to the first gear.
Further, the first driving structure comprises a first motor and a first locking mechanism, the first motor is connected with the first locking mechanism, and the driving end of the first motor is connected with the first transmission structure; the second driving structure comprises a second motor and a second locking mechanism, the second motor is connected with the second locking mechanism, and the driving end of the second motor is connected with the second transmission structure.
In another aspect, a seat is provided comprising a seat adjustment apparatus as claimed in any one of the preceding claims.
Compared with the prior art, the invention has the beneficial effects that: the invention can complete the adjustment of the large inclination angle of the cushion and the adjustment of the height of the cushion; the adjusting device can drive the two sides to be locked at two sides, and the inclination angle and the height can be adjusted independently or in a combined way, so that the sitting posture requirements under different scenes can be met; the invention has small height arrangement space and is suitable for scenes sensitive to the height requirement of the seat.
Drawings
FIG. 1 is a schematic view of a seat adjusting device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a seat adjusting device according to another embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating the connection between the first support base and the middle connecting rod according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the connection between the second support base and the middle connecting rod according to the embodiment of the present invention;
in the figure: 100. a seat base; 200. a first transmission structure; 300. a second transmission structure; 400. a seat support; 500. a driving structure; 110. a first support base; 120. a second support base; 210. a first gear; 220. a first link; 230. a first driven lever; 310. a second gear; 320. a second link; 330. a second driven lever; 340. a link mechanism; 410. a first bracket; 420. a second bracket; 430. a bracket link; 510. a first driving structure; 520. a second driving structure; 211. a limit groove; 341. a front link; 342. a middle connecting rod; 343. a rear connecting rod; 411. a limiting pin; 511. a first drive gear; 512. a first motor; 513. a first locking mechanism; 521. a second drive gear; 522. a second motor; 523. a second locking mechanism; 3421. a first section; 3422. a second portion.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to the drawings in the specification, the invention provides a technical scheme that: as shown in fig. 1 and 2, in an embodiment of the present invention, a seat adjusting apparatus includes a seat base 100, a first transmission structure 200, a second transmission structure 300, a seat bracket 400, and a driving structure 500. The seat base 100 includes a first support 110 and a second support 120; the first transmission structure 200 is pivotally connected with the first supporting seat 110; the second transmission structure 300 is pivotally connected with the second supporting seat 120; the seat bracket 400 comprises a first bracket 410 and a second bracket 420, the first transmission structure 200 is connected with the first bracket 410, and the second transmission structure 300 is connected with the second bracket 420; the driving structure 500 includes a first driving structure 510 and a second driving structure 520, the first driving structure 510 is connected to the first bracket 410, and the second driving structure 420 is connected to the second bracket 420.
Specifically, the first driving structure 510 includes a first motor 512 and a first locking mechanism 513, the first motor 512 is connected to the first locking mechanism 513, and a driving end of the first motor 512 is connected to the first transmission structure 200; the second driving structure 520 comprises a second motor 522 and a second locking mechanism 523, the second motor 522 is connected with the second locking mechanism 523, and the driving end of the second motor 522 is connected with the second transmission structure 300; the first locking mechanism 513 is used to lock the first motor 512, and the second locking mechanism 523 is used to lock the second motor 522.
The driving end of the first driving structure 510 is connected with the first transmission structure 200, and the first driving structure 510 drives the seat bracket 400 to adjust the height of the seat through the first transmission structure 200; the driving end of the second driving structure 300 is connected with the second transmission structure 300, and the second driving structure 520 drives the seat support 400 to adjust the inclination angle of the seat.
In the above embodiment, the seat cushion of the seat is mounted on the seat support 400, and the invention can be applied to front and rear independent seats of automobiles, airplanes, furniture and the like, provides multi-posture adjustment for passengers, is particularly suitable for occasions with high sensitivity and strength requirements for Z-direction size matching space, can complete large inclination angle adjustment and seat cushion height adjustment, and can realize independent or combined adjustment of the two functions of height adjustment and inclination angle adjustment, thereby realizing the sitting posture requirements in different scenes. The device has the greatest characteristics of small height arrangement space and is suitable for occasions sensitive to the Z-direction height requirement of the seat; meanwhile, the mechanism drives double-side locking at two sides, so that the project requirements of high strength and rigidity can be met; the second driving structure 300 is disposed at the rear end due to the height requirement from the H point of the human body to the lower surface of the slide rail, wherein the H point of the human body (HipPoint) refers to the crotch point, which is the connection point between the trunk and the thigh of the human body in the two-dimensional or three-dimensional model template. In the body template is the hip joint. It also indicates the position of the mid-point of the hip joint in the car after the driver has been seated.
Optionally, in an embodiment of the present invention, the first transmission structure 200 includes: a first gear 210, a first link 220, and a first driven rod 230. The first gear 210 is pivotally connected to the first support 110; the first link 220 has a first link axis, the first gear 210 is fixedly connected with the first link 220, and two ends of the first link 220 are respectively rotatably connected with the first bracket 410 and the second bracket 420, so that the first link 220 can rotate along the first link axis; the first driven lever 230 is fixedly connected with the first link 220, and the first driven lever 230 is pivotally connected with the second support 120.
The first driving structure 510 includes a first driving gear 511, and the driving end of the first driving structure 510 is connected to the first driving gear 511; the first driving gear 511 is engaged with the first gear 210 to drive the seat bracket 400 to adjust the height of the seat.
In the above arrangement, when the height is adjusted individually, the second motor 522 on the opposite side is locked by the second locking mechanism 523 to lock the second transmission structure 300, which is the inclination angle adjusting mechanism, so that the front link 341 and the middle link 342 are fixed in angle, the first motor 512 for height adjustment drives the first gear 210, and the first gear 210, the first link 220 and the first driven link 230 synchronously drive the first bracket 410 and the second bracket 420 to rotate up/down with A, B as a turning point to achieve height adjustment.
Optionally, in an embodiment of the present invention, the second transmission structure 300 includes: a second gear 310, a second link 320, a second driven lever 330, and a link mechanism 340.
The second link 320 is sleeved on the first link 220, is rotatably connected with the first link 220, and rotates around the axis of the first link as a rotating shaft, and the second link 320 is fixedly connected with the second gear 310; the second driven rod 330 is fixedly connected with the second link 320; one of the link mechanisms 340 is pivotally connected to the second driven lever 330, the first support 110 and the first bracket 410, respectively; the other link mechanism 340 is pivotally connected to the second gear 310, the second support 120 and the second bracket 420, respectively.
The second driving structure 520 includes a second driving gear 521, and the driving end of the second driving structure 520 is connected to the second driving gear 521; the second driving gear 521 is meshed with the second gear 310 to drive the link mechanism 340 to move, and the link mechanism 340 drives the seat support 400 to adjust the inclination angle of the seat.
In the above arrangement, when the tilt angle is independently adjusted, the first locking mechanism 513 locks the first motor 512 to lock the height adjusting mechanism, i.e., the first transmission structure 200, so that the first gear 210 and the first bracket 410 are locked, the first driven rod 230 and the second bracket 420 are fixedly locked at an angle, the second motor 522 drives the second gear 310, the second gear 310 and the second driven rod 330 synchronously drive the rear two-sided links 343, the rear link 343 drives the middle link 342, thereby changing the angle between the middle link 342 and the front link 341, further driving the first bracket 410 and the second bracket 420 to lift/drop with the two-sided a as the rotation point, and realizing large tilt angle adjustment.
Optionally, in an embodiment of the present invention, the link mechanism 340 includes: a front link 341, a rear link 343, and a middle link 342.
One end of the middle link 342 is pivotally connected to one end of the front link 341; one end of the rear link 343 is pivotally connected to the other end of the middle link 342;
one end of the rear link 343 of the link mechanism 340, which is far from the middle link 342, is pivotally connected with the second driven lever 330, the middle part of the middle link 342 is pivotally connected with the first support 110, and one end of the front link 341, which is far from the middle link 342, is pivotally connected with the first bracket 410; the end of the rear link 343 of the other link mechanism 340 away from the middle link 342 is pivotally connected to the second gear 310, the middle portion of the middle link 342 is pivotally connected to the second support base 120, and the end of the front link 341 away from the middle link 342 is pivotally connected to the second bracket 420.
Optionally, as shown in fig. 3 and 4, in the embodiment of the present invention, the middle connecting rod 342 has a V-shaped structure, including a first portion 3421 and a second portion 3422, where the connection between the first portion 3421 and the second portion 3422 is a middle portion of the middle connecting rod 342, an included angle formed by the first portion 3421 and the second portion 3422 is an acute angle, a length of the first portion 3421 is greater than a length of the second portion 3422, the second portion 3422 is pivotally connected to the rear connecting rod 343, and the first portion 3421 is pivotally connected to the front connecting rod 341.
In the above arrangement, the middle link 342 is a shaped structure in order to prevent movement death.
Optionally, in the embodiment of the present invention, the first portion 3421 and the second portion 3422 are connected in a staggered manner, so that the rear link 343 and the first portion 3421 are avoided from each other.
Optionally, in the embodiment of the present invention, the seat bracket 400 further includes a bracket link 430, and the bracket link 430 is connected to the first bracket 410 and the second bracket 420, respectively; the ends of the two rear links 343 remote from the middle link 342 are pivotally connected to the bracket links 430, respectively.
In the above arrangement, the bracket link 430 can ensure that the second driving mechanism 420 can drive the first bracket 410 and the second bracket 420 simultaneously, which is suitable for high strength test requirements.
Optionally, as shown in fig. 2, in the embodiment of the present invention, the first gear 210 is provided with a limiting groove 211, the limiting groove 211 has a circular arc structure, and the limiting groove 211 and a circular arc of the outer edge of the first gear 210 are concentrically arranged; the first bracket 410 has a limiting pin 411, the limiting pin 411 is disposed in the limiting slot 211, and at least a portion of the limiting pin 411 is always in abutment with a slot wall surface of the limiting slot 211, so that the limiting pin 411 is driven to move along the slot wall surface when the first bracket 410 rotates relative to the first gear 210.
In the above arrangement, the height of the first bracket 410 is limited by the arrangement of the limiting groove 211 and the limiting pin 411, and the relative movement of the first gear 210 and the first bracket 410 in the groove width direction is limited, so that the damage to the joint of the seat adjusting device caused by the impact force in the seat groove width direction is prevented.
In another aspect, a seat is provided comprising a seat adjustment apparatus as claimed in any one of the preceding claims.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A seat adjustment apparatus, comprising:
a seat base (100), the seat base (100) comprising a first support seat (110) and a second support seat (120);
a first transmission structure (200) and a second transmission structure (300), the first transmission structure (200) being pivotably connected to the first support (110); the second transmission structure (300) is pivotally connected with the second supporting seat (120);
a seat support (400), the seat support (400) comprising a first support (410) and a second support (420), the first transmission structure (200) being connected to the first support (410), the second transmission structure (300) being connected to the second support (420);
-a drive structure (500), the drive structure (500) comprising a first drive structure (510) and a second drive structure (520), the first drive structure (510) being connected to the first bracket (410) and the second drive structure (420) being connected to the second bracket (420);
the driving end of the first driving structure (510) is connected with the first transmission structure (200), and the first driving structure (510) drives the seat support (400) to adjust the height of the seat through the first transmission structure (200); the driving end of the second driving structure (300) is connected with the second transmission structure (300), and the second driving structure (520) drives the seat bracket (400) to adjust the inclination angle of the seat.
2. A seat adjustment device according to claim 1, characterized in that the first transmission structure (200) comprises:
a first gear (210), the first gear (210) being pivotally connected with the first support (110);
the first link (220), the first link (220) has a first link axis, the first gear (210) is fixedly connected with the first link (220), and two ends of the first link (220) are respectively and rotatably connected with the first bracket (410) and the second bracket (420), so that the first link (220) can rotate along the first link axis;
a first driven lever (230), the first driven lever (230) being fixedly connected with the first link (220), the first driven lever (230) being pivotally connected with the second support (120);
the first driving structure (510) comprises a first driving gear (511), and the driving end of the first driving structure (510) is connected with the first driving gear (511); the first driving gear (511) is meshed with the first gear (210) to drive the seat support (400) to adjust the height of the seat.
3. A seat adjustment device according to claim 2, wherein the second transmission structure (300) comprises:
a second gear (310);
the second connecting rod (320) is sleeved on the first connecting rod (220), is connected with the first connecting rod (220) in a rotating way, and rotates by taking the axis of the first connecting rod as a rotating shaft, and the second connecting rod (320) is fixedly connected with the second gear (310);
a second driven rod (330), the second driven rod (330) being fixedly connected with the second link (320);
two link mechanisms (340), one of the link mechanisms (340) being pivotally connected to the second driven lever (330), the first support base (110) and the first bracket (410), respectively; the other link mechanism (340) is respectively and pivotally connected with the second gear (310), the second supporting seat (120) and the second bracket (420);
the second driving structure (520) comprises a second driving gear (521), and the driving end of the second driving structure (520) is connected with the second driving gear (521); the second driving gear (521) is meshed with the second gear (310) to drive the link mechanism (340) to move, and the seat bracket (400) is driven by the link mechanism (340) to adjust the inclination angle of the seat.
4. A seat adjustment device according to claim 3, characterized in that the linkage (340) comprises:
a front link (341);
a middle link (342), one end of the middle link (342) being pivotally connected with one end of the front link (341);
a rear link (343), one end of the rear link (343) being pivotally connected to the other end of the middle link (342);
one end, far away from the middle connecting rod (342), of a rear connecting rod (343) in the connecting rod mechanism (340) is pivotally connected with the second driven rod (330), the middle part of the middle connecting rod (342) is pivotally connected with the first supporting seat (110), and one end, far away from the middle connecting rod (342), of the front connecting rod (341) is pivotally connected with the first bracket (410); one end, far away from the middle connecting rod (342), of a rear connecting rod (343) in the other connecting rod mechanism (340) is pivotally connected with the second gear (310), the middle part of the middle connecting rod (342) is pivotally connected with the second supporting seat (120), and one end, far away from the middle connecting rod (342), of the front connecting rod (341) is pivotally connected with the second bracket (420).
5. The seat adjusting device according to claim 4, wherein the middle connecting rod (342) has a V-shaped structure, and includes a first portion (3421) and a second portion (3422), a connection portion between the first portion (3421) and the second portion (3422) is a middle portion of the middle connecting rod (342), an included angle formed by the first portion (3421) and the second portion (3422) is an acute angle, a length of the first portion (3421) is greater than a length of the second portion (3422), the second portion (3422) is pivotally connected with the rear connecting rod (343), and the first portion (3421) is pivotally connected with the front connecting rod (341).
6. A seat adjustment device according to claim 5, characterized in that the first portion (3421) is connected with the second portion (3422) in a staggered manner so that the rear link (343) and the first portion (3421) are clear of each other.
7. The seat adjustment device according to claim 4, wherein the seat support (400) further comprises a support link (430), the support link (430) being connected to the first support (410) and the second support (420), respectively; one end of the two rear links (343) away from the middle link (342) is pivotally connected to the bracket links (430), respectively.
8. The seat adjusting device according to claim 2, wherein the first gear (210) is provided with a limit groove (211), the limit groove (211) has a circular arc structure, and the limit groove (211) is arranged concentrically with a circular arc of the outer edge of the first gear (210); the first bracket (410) is provided with a limiting pin (411), the limiting pin (411) is arranged in the limiting groove (211), at least a part of the limiting pin (411) is always abutted against the groove wall surface of the limiting groove (211), so that the limiting pin (411) is driven to move along the groove wall surface when the first bracket (410) rotates relative to the first gear (210).
9. A seat adjustment device according to claim 1, characterized in that the first drive structure (510) comprises a first motor (512) and a first locking mechanism (513), the first motor (512) being connected to the first locking mechanism (513), the drive end of the first motor (512) being connected to the first transmission structure (200); the second driving structure (520) comprises a second motor (522) and a second locking mechanism (523), the second motor (522) is connected with the second locking mechanism (523), and the driving end of the second motor (522) is connected with the second transmission structure (300).
10. A seat comprising a seat adjustment device according to any one of claims 1 to 9.
CN202310220360.1A 2023-03-09 2023-03-09 Seat adjusting device and seat with same Pending CN116409220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310220360.1A CN116409220A (en) 2023-03-09 2023-03-09 Seat adjusting device and seat with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310220360.1A CN116409220A (en) 2023-03-09 2023-03-09 Seat adjusting device and seat with same

Publications (1)

Publication Number Publication Date
CN116409220A true CN116409220A (en) 2023-07-11

Family

ID=87052366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310220360.1A Pending CN116409220A (en) 2023-03-09 2023-03-09 Seat adjusting device and seat with same

Country Status (1)

Country Link
CN (1) CN116409220A (en)

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