CN117678867A - Back elevating system and seat - Google Patents

Back elevating system and seat Download PDF

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Publication number
CN117678867A
CN117678867A CN202311714848.6A CN202311714848A CN117678867A CN 117678867 A CN117678867 A CN 117678867A CN 202311714848 A CN202311714848 A CN 202311714848A CN 117678867 A CN117678867 A CN 117678867A
Authority
CN
China
Prior art keywords
locking
telescopic air
seat
back support
piece
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
CN202311714848.6A
Other languages
Chinese (zh)
Inventor
朱政臣
陈子琪
容锦昌
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.)
Foshan Sitzone Furniture Co ltd
Original Assignee
Foshan Sitzone Furniture 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 Foshan Sitzone Furniture Co ltd filed Critical Foshan Sitzone Furniture Co ltd
Priority to CN202311714848.6A priority Critical patent/CN117678867A/en
Publication of CN117678867A publication Critical patent/CN117678867A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a back lifting mechanism and a seat, wherein the back lifting mechanism comprises: the lifting device comprises a supporting seat, a lifting assembly and a supporting assembly, wherein connecting arms are arranged on two sides of the supporting seat; the lifting assembly comprises a back support and a telescopic air rod, the back support is provided with a rotatable first linkage rod and a rotatable second linkage rod, the first linkage rod is rotationally connected with the connecting arm, the second linkage rod is rotationally connected with the supporting seat, one end of the telescopic air rod is rotationally connected with the supporting seat, and the other end of the telescopic air rod is rotationally connected with the back support; the control component is used for controlling the telescopic air rod; the back lifting mechanism provided by the invention can realize stepless adjustment of the height of the back support by utilizing the cooperation of the telescopic air rod, the first linkage rod and the second linkage rod.

Description

Back elevating system and seat
Technical Field
The invention relates to the technical field of seat manufacturing, in particular to a back lifting mechanism and a seat.
Background
The structure of the seat on the market comprises a cushion, armrests and a chair back, wherein the chair back can provide support for the back of a human body and can better improve the use comfort of a user, but in the related art, the position of the chair back is generally fixed on the seat or the height of the chair back can only be adjusted in a step mode according to a preset gear, but the requirements of users with different heights on the height of the chair back are different, the height of the chair back fixed on the seat cannot be adjusted, and the limitation of the chair back which can only be adjusted in a step mode according to the preset gear is also larger, so that the requirements of the user cannot be met.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the back lifting mechanism, which can realize stepless adjustment of the height of the back support by utilizing the matching of the telescopic air rod and the first linkage rod and the second linkage rod, and can meet the requirements of different users.
In a second aspect, the invention also provides a seat using the back lifting mechanism.
According to an embodiment of the first aspect of the present invention, there is provided a back lifting mechanism comprising: the lifting device comprises a supporting seat, a lifting assembly and a supporting assembly, wherein connecting arms are arranged on two sides of the supporting seat; the lifting assembly comprises a back support and telescopic air rods, wherein two sides of the middle of the back support are provided with rotatable first linkage rods, the lower ends of the first linkage rods are provided with rotatable second linkage rods, the first linkage rods are rotationally connected with the connecting arms, the second linkage rods are rotationally connected with the rear sides of the supporting seats, one ends of the telescopic air rods are rotationally connected with the rear sides of the supporting seats, and the other ends of the telescopic air rods are rotationally connected with the lower ends of the back support; the control component is used for controlling the telescopic air rod; the telescopic air rod is controlled by the control assembly, the telescopic air rod can stretch, the first linkage rod can rotate up and down relative to the connecting arm, the second linkage rod can rotate up and down relative to the supporting seat, and the first linkage rod and the second linkage rod can drive the back support to lift.
The back lifting mechanism provided by the embodiment of the first aspect of the invention has at least the following beneficial effects: the back lifting mechanism is applied to the seat, users with different heights can unlock the telescopic air rod through the control assembly, when the back support needs to be lifted, the telescopic air rod is controlled to extend to drive the first linkage rod and the second linkage rod to rotate upwards, and the height of the back support is lifted; the telescopic air rod is controlled to shrink so as to drive the first linkage rod and the second linkage rod to rotate downwards, the height of the back support is lowered, when the height of the back support is adjusted to a proper position, a user locks the telescopic air rod through the control assembly to finish locking of the back support, and therefore the height of the back support is adjusted.
According to the back lifting mechanism provided by the embodiment of the first aspect of the invention, the back support is connected with two second linkage rods, the two second linkage rods are respectively arranged at two sides of the lower end of the back support, and the telescopic air rod is arranged between the two second linkage rods.
According to the back lifting mechanism provided by the embodiment of the first aspect of the invention, the first linkage rod and the second linkage rod which are positioned on the same side of the supporting seat are parallel to each other.
According to the back lifting mechanism provided by the embodiment of the first aspect of the invention, the control assembly comprises the control piece capable of rotating relative to the back support, the control piece is positioned on one side of the back support, and the control piece can be rotated to trigger the control assembly to unlock the telescopic air rod.
According to the back lifting mechanism provided by the embodiment of the first aspect of the invention, the control assembly comprises a wire seat, a pull rope and a trigger piece, the wire seat is fixed on the back support, the control piece is rotationally connected with the wire seat, the trigger piece is rotationally connected with the telescopic air rod, one end of the pull rope is connected with the control piece, the other end of the pull rope is connected with the trigger piece, and the pull rope can be pulled by rotating the control piece, so that the trigger piece is driven to unlock the telescopic air rod.
According to the back lifting mechanism provided by the embodiment of the first aspect of the invention, the control assembly further comprises a locking seat, a locking piece and a locking buckle, the locking seat is fixedly connected to the back support, the locking piece is connected to the pull rope and is connected to the locking seat in a sliding mode, one end of the locking buckle is fixed to the locking seat, the other end of the locking buckle extends to the locking buckle, when the pull rope pulls the locking piece to slide, the locking buckle is connected to the locking piece in a buckling mode, and the triggering piece can keep unlocking the telescopic air rod.
According to the back lifting mechanism provided by the embodiment of the first aspect of the invention, the control assembly further comprises a reset piece, one end of the reset piece is abutted against the locking seat, the other end of the reset piece is abutted against the locking piece, a buckling boss is arranged in the middle of the locking piece, a first chute and a second chute which are connected end to end are arranged on the periphery of the buckling boss, a buckling groove communicated with the first chute and the second chute is formed in the buckling boss, the end part of the locking buckle is located in the first chute, the pull rope is pulled, the end part of the locking buckle can be clamped into the buckling groove along the first chute, the pull rope is pulled again, the end part of the locking buckle is separated from the buckling groove, the reset piece pushes the locking piece to reset, and the locking buckle can slide along the second chute to return to the first chute.
According to the back lifting mechanism provided by the embodiment of the first aspect of the invention, the locking piece is further provided with a guide block, and when the end part of the locking buckle is separated from the buckling groove, the guide block can guide the end part of the locking buckle to slide into the second sliding groove.
According to the back lifting mechanism provided by the embodiment of the first aspect of the invention, the wire seat is provided with a torsion spring for driving the control plate to reset.
According to a second aspect of the invention there is provided a seat comprising a back lift mechanism according to an embodiment of the first aspect of the invention.
The seat provided by the embodiment of the second aspect of the invention has at least the following beneficial effects: users with different heights can unlock the telescopic air bars through the control assembly, when the back support needs to be lifted, the telescopic air bars are controlled to extend to drive the first linkage bars and the second linkage bars to rotate upwards, and the height of the back support is lifted; the telescopic air rod is controlled to shrink, the first linkage rod and the second linkage rod can be driven to rotate downwards, the height of the back support is lowered, the height of the back support is adjusted to a proper position, and a user locks the telescopic air rod through the control assembly to complete locking of the back support, so that the height of the back support is adjusted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a back lifting mechanism according to a first embodiment of the present invention;
FIG. 2 is a side view of a back lift mechanism provided in accordance with an embodiment of the first aspect of the present invention;
FIG. 3 is a schematic structural view of a lifting assembly according to an embodiment of the first aspect of the present invention;
FIG. 4 is a schematic structural diagram of a back support and a control assembly according to an embodiment of the first aspect of the present invention;
FIG. 5 is a schematic structural diagram of a control assembly and a telescopic air bar according to an embodiment of the first aspect of the present invention;
fig. 6 is an enlarged schematic view of the circled portion of fig. 5.
The reference numerals are as follows:
a support base 100; a connection arm 110;
a lifting assembly 200; a back support 210; a telescopic air bar 220; a first linkage rod 230; a second linkage rod 240;
a control assembly 300; a control plate 310; a wire holder 320; a pull cord 330; a trigger 340; a locking seat 350; a locking member 360; a latch boss 361; a first slide groove 362; a second chute 363; a snap groove 364; guide block 365; locking clasp 370; reset member 380.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The structure of the seat on the market comprises a cushion, armrests and a chair back, wherein the chair back can provide support for the back of a human body and can better improve the use comfort of a user, but in the related art, the position of the chair back is generally fixed on the seat or the height of the chair back can only be adjusted in a step mode according to a preset gear, but the requirements of users with different heights on the height of the chair back are different, the height of the chair back fixed on the seat cannot be adjusted, and the limitation of the chair back which can only be adjusted in a step mode according to the preset gear is also larger, so that the requirements of the user cannot be met.
In order to solve this problem, the embodiment of the present invention provides a back lifting mechanism, which can realize stepless adjustment of the height of the back support 210 by using the telescopic air rod 220 to cooperate with the first linkage rod 230 and the second linkage rod 240, so as to meet the requirements of different users, and the specific structure and function of the back lifting mechanism provided by the embodiment of the present invention will be further described below with reference to the text and the accompanying drawings.
Referring to fig. 1 to 4, a back lifting mechanism according to an embodiment of the first aspect of the present invention includes: the lifting device comprises a supporting seat 100, a lifting assembly 200 and supporting assemblies, wherein connecting arms 110 are arranged on two sides of the supporting seat 100; the lifting assembly 200 comprises a back support 210 and a telescopic air rod 220, wherein two sides of the middle part of the back support 210 are provided with rotatable first linkage rods 230, the lower end of the back support 210 is provided with rotatable second linkage rods 240, the first linkage rods 230 on two sides of the back support 210 are respectively connected with the connecting arms 110 on two sides of the supporting seat 100 in a rotating way, the second linkage rods 240 are connected with the rear side of the supporting seat 100 in a rotating way, one end of the telescopic air rod 220 is connected with the rear side of the supporting seat 100 in a rotating way, and the other end of the telescopic air rod is connected with the lower end of the back support 210 in a rotating way; the telescopic air rod 220 has an unlocking state and a locking state, when the telescopic air rod 220 is in the unlocking state, the telescopic air rod 220 can freely stretch, and when the telescopic air rod 220 is in the locking state, the telescopic air rod 220 is fixed and cannot stretch; the control assembly 300 is used for controlling the telescopic air bar 220 to unlock or lock the telescopic air bar 220, wherein the control assembly 300 is used for controlling the telescopic air bar 220 to unlock, the telescopic air bar 220 can stretch and retract, the first linkage bar 230 can rotate up and down relative to the connecting arm 110, the second linkage bar 240 can rotate up and down relative to the supporting seat 100, the first linkage bar 230 and the second linkage bar 240 cooperate to drive the back support 210 to lift, when a user adjusts the back support 210 to a proper height, the control assembly 300 is used for controlling the telescopic air bar 220 to lock again.
According to the back lifting mechanism provided by the embodiment of the first aspect of the invention, the back lifting mechanism is applied to a seat, users with different heights can unlock the telescopic air rod 220 through the control assembly 300, when the back support 210 needs to be lifted, the telescopic air rod 220 is controlled to extend so as to drive the first linkage rod 230 and the second linkage rod 240 to rotate upwards, and the height of the back support 210 is lifted; the telescopic air rod 220 is controlled to shrink so as to drive the first linkage rod 230 and the second linkage rod 240 to rotate downwards, the height of the back support 210 is lowered, when the height of the back support 210 is adjusted to a proper position, a user locks the telescopic air rod 220 through the control assembly 300 so as to complete locking of the back support 210, and therefore, the height of the back support 210 is adjusted.
It should be noted that, the control assembly 300 may control the telescopic air bar 220 to maintain the unlocked state so that the telescopic air bar 220 can be freely telescopic, when the user leans back against the back support 210, the back support 210 automatically adjusts along with the force transmitted from the back of the user, so that the back support 210 is more attached to the back of the user, thereby reducing the back rubbing feeling of the back support 210 on the back of the user, and being beneficial to improving the user experience.
Referring to fig. 1 and 3, according to the back lifting mechanism provided by the embodiment of the first aspect of the present invention, two rotatable second linkage rods 240 are connected to the lower end of the back support 210, the two second linkage rods 240 are separately disposed on two sides of the lower end of the back support 210, and the two second linkage rods 240 are disposed to facilitate the improvement of the stability of the connection between the lower end of the back support 210 and the support 100, and the telescopic air rod 220 is disposed between the two second linkage rods 240, which is beneficial to the improvement of the compactness of the structure.
Referring to fig. 1 to 3, according to the back lifting mechanism provided by the embodiment of the invention, the first linkage rod 230 and the second linkage rod 240 located on the same side of the supporting seat 100 are parallel to each other, that is, the connection points among the chair back, the first linkage rod 230, the second linkage rod 240 and the connecting arm 110 are connected to form a parallelogram-like structure, in the actual use process, the chair back can be lifted in the vertical direction, which is beneficial to preventing the position deviation of the chair back in the lifting process and improving the stability of the connection among the chair back, the first linkage rod 230, the second linkage rod 240 and the connecting arm 110.
Referring to fig. 2 and 4, according to the back lifting mechanism provided by the embodiment of the first aspect of the present invention, the control assembly 300 includes a control piece 310 capable of rotating relative to the back support 210, the control piece 310 is located at one side of the back support 210, the control piece 310 can be rotated to trigger the control assembly 300 to unlock the telescopic air rod 220, in a practical use process, a user can adjust the lifting of the back support 210 by rotating the control piece 310 located at one side of the back support 210, and the operation is simple and convenient.
Referring to fig. 4 and 5, according to the back lifting mechanism provided by the first aspect of the present invention, the control assembly 300 includes a wire seat 320, a pull rope 330 and a trigger piece 340, the wire seat 320 is fixed on the back support 210 by a fastener, the control piece 310 is rotationally connected to the wire seat 320, the trigger piece 340 is rotationally connected to the telescopic air rod 220, the telescopic air rod 220 has an unlocking post, the trigger piece 340 has a connecting portion and a pressing portion, the trigger piece 340 is rotated, the pressing portion of the trigger piece 340 can press the unlocking post to unlock the telescopic air rod 220, one end of the pull rope 330 is connected to the control piece 310, the other end is connected to the connecting portion of the trigger piece 340, the pull rope 330 can be pulled by rotating the control piece 310, thereby the pressing portion of the trigger piece 340 is driven to press down to the unlocking post of the telescopic air rod 220 to unlock the telescopic air rod 220, the trigger piece 340 of the control assembly 300 is connected to the control piece 310 by the pull rope 330, and the power transmission in the control process is stable, which is beneficial to improving the stability of the structure.
It should be noted that, the pull cord 330 is a structure similar to a brake cable or an accelerator cable, and specifically includes a housing and a force-bearing line, the force-bearing line is disposed in the housing and can move, the connection between the pull cord 330 and the control piece 310 can be understood that the housing of the pull cord 330 is fixed on the wire seat 320, the end of the force-bearing line is connected with the control piece 310, and the rotation of the control piece 310 can pull the force-bearing line.
Referring to fig. 4 to 6, according to the back lifting mechanism provided by the first aspect of the present invention, the control assembly 300 further includes a locking seat 350, a locking member 360 and a locking buckle 370, the locking seat 350 is fixedly connected to the back support 210 through a fastener, the locking member 360 is connected to the pulling rope 330 and is slidably connected to the locking seat 350, when the control piece 310 rotates to drive the pulling rope 330, the locking member 360 can slide on the locking seat 350, one end of the locking buckle 370 is fixed to the locking seat 350, the other end extends to the locking buckle 370, when the pulling rope 330 pulls the locking member 360 to slide, the end of the locking buckle 370 is fastened to the locking member 360, the triggering member 340 can keep unlocking the telescopic air rod 220, at this time, the telescopic air rod 220 can freely stretch out and draw back, when a user leans back against the back support 210, the back support 210 can automatically adjust along with the force transmitted by the back of the user, so that the back support 210 is more attached to the back of the user, thereby reducing the back feel of the user caused by the back support 210, and being beneficial to improving the user experience.
Referring to fig. 4 to 6, according to the back lifting mechanism provided by the first aspect of the present invention, the control assembly 300 further includes a reset member 380, one end of the reset member 380 abuts against the locking seat 350, the other end abuts against the locking member 360, a latch boss 361 is provided at the middle of the locking member 360, a first sliding groove 362 and a second sliding groove 363 are provided at the periphery of the latch boss 361, which are connected end to end, the latch boss 361 is provided with a latch slot 364 in communication with the first sliding groove 362 and the second sliding groove 363, an end of the locking buckle 370 is located in the first sliding groove 362, when a user rotates the control plate 310 to pull the pull rope 330, the locking member 360 and the locking seat 350 slide relatively, an end of the locking buckle 370 can be clamped and fixed in the latch slot 364 along the first sliding groove 362, at this time, the trigger member 340 can keep pressing down the unlocking post of the telescopic air rod 220 to keep the telescopic air rod 220 unlocked, when the user pulls the pull rope 330 again, the end of the locking buckle 370 is separated from the latch slot 364, the reset member 380 pushes the locking buckle 360 to reset, and the locking buckle 370 can slide along the second sliding groove 363 to return to the first sliding groove 363, and the actual operation can be easily adjusted by the user, and the user can conveniently adjust the operation of the telescopic air rod 220 by pulling the telescopic air rod.
Referring to fig. 6, according to the back lifting mechanism provided by the embodiment of the first aspect of the present invention, the locking member 360 is further provided with a guide block 365, when the end portion of the locking buckle 370 is separated from the fastening slot 364, the guide block 365 can guide the end portion of the locking buckle 370 to slide into the second sliding slot 363, so that the end portion of the locking buckle 370 slides into the second sliding slot 363 more smoothly, and the locking phenomenon between the end portion of the locking buckle 370 and the locking member 360 is prevented during the pulling process of the pulling rope 330.
Referring to fig. 5, according to the back lifting mechanism provided by the embodiment of the first aspect of the present invention, the wire seat 320 is provided with a torsion spring (not shown in the figure) for driving the control piece 310 to reset, the user pulls the control piece 310 to release his hand, and under the action of the torsion spring, the control piece 310 can automatically reset, so as to facilitate the next operation of the user.
According to a second aspect of the invention there is provided a seat comprising a back lift mechanism as in the first aspect of the invention.
According to the seat provided by the embodiment of the second aspect of the present invention, users with different heights can unlock the telescopic air bar 220 through the control assembly 300, when the back support 210 needs to be lifted, the telescopic air bar 220 is controlled to extend to drive the first linkage bar 230 and the second linkage bar 240 to rotate upwards, and the height of the back support 210 is lifted; the telescopic air rod 220 is controlled to be contracted so as to drive the first linkage rod 230 and the second linkage rod 240 to rotate downwards, the height of the back support 210 is lowered, and when the height of the back support 210 is adjusted to a proper position, a user locks the telescopic air rod 220 through the control assembly 300 so as to lock the back support 210, and therefore the height of the back support 210 is adjusted.
The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, and the embodiments are only for illustrating the technical scheme of the present invention, but not for limiting the same, and the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A back lifting mechanism, comprising:
the two sides of the supporting seat are provided with connecting arms;
the lifting assembly comprises a back support and telescopic air rods, wherein two sides of the middle of the back support are provided with rotatable first linkage rods, the lower ends of the first linkage rods are provided with rotatable second linkage rods, the first linkage rods are rotationally connected with the connecting arms, the second linkage rods are rotationally connected with the rear sides of the supporting seats, one ends of the telescopic air rods are rotationally connected with the rear sides of the supporting seats, and the other ends of the telescopic air rods are rotationally connected with the lower ends of the back support;
the control assembly is used for controlling the telescopic air rod;
the telescopic air rod is controlled by the control assembly, the telescopic air rod can stretch, the first linkage rod can rotate up and down relative to the connecting arm, the second linkage rod can rotate up and down relative to the supporting seat, and the first linkage rod and the second linkage rod can drive the back support to lift.
2. The back lifting mechanism according to claim 1, wherein the back support is connected with two second linkage rods, the two second linkage rods are respectively arranged at two sides of the lower end of the back support, and the telescopic air rod is arranged between the two second linkage rods.
3. The back lifting mechanism of claim 2, wherein the first linkage bar and the second linkage bar on the same side of the support base are parallel to each other.
4. The back lifting mechanism of claim 1, wherein said control assembly comprises a control tab rotatable relative to said back support, said control tab being located on one side of said back support, rotation of said control tab triggering said control assembly to unlock said telescoping air bars.
5. The back lifting mechanism of claim 4, wherein the control assembly comprises a wire seat, a pull rope and a trigger piece, the wire seat is fixed on the back support, the control piece is rotatably connected with the wire seat, the trigger piece is rotatably connected with the telescopic air rod, one end of the pull rope is connected with the control piece, the other end of the pull rope is connected with the trigger piece, and the pull rope can be pulled by rotating the control piece, so that the trigger piece is driven to unlock the telescopic air rod.
6. The back lifting mechanism of claim 5, wherein the control assembly further comprises a locking seat, a locking member and a locking buckle, the locking seat is fixedly connected to the back support, the locking member is connected to the pull rope and is slidingly connected to the locking seat, one end of the locking buckle is fixed to the locking seat, the other end of the locking buckle extends to the locking buckle, when the pull rope pulls the locking member to slide, the locking buckle is fastened to the locking member, and the triggering member can keep unlocking the telescopic air rod.
7. The back lifting mechanism according to claim 6, wherein the control assembly further comprises a reset piece, one end of the reset piece is abutted against the locking seat, the other end of the reset piece is abutted against the locking piece, a buckling boss is arranged in the middle of the locking piece, a first sliding groove and a second sliding groove which are connected end to end are arranged on the periphery of the buckling boss, the buckling boss is provided with a buckling groove communicated with the first sliding groove and the second sliding groove, the end portion of the locking buckle is located in the first sliding groove, the pulling rope is pulled, the end portion of the locking buckle can be clamped into the buckling groove along the first sliding groove, the pulling rope is pulled again, the end portion of the locking buckle is separated from the buckling groove, the reset piece pushes the locking piece to reset, and the locking buckle can slide along the second sliding groove to return to the first sliding groove.
8. The back lifting mechanism of claim 7, wherein said locking member is further provided with a guide block capable of guiding an end of said locking buckle to slide into said second chute when said end of said locking buckle is separated from said buckle-receiving slot.
9. The back lifting mechanism of claim 5, wherein the wire seat is provided with a torsion spring for driving the control blade to reset.
10. A seat comprising a back lift mechanism as claimed in any one of claims 1 to 9.
CN202311714848.6A 2023-12-13 2023-12-13 Back elevating system and seat Pending CN117678867A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311714848.6A CN117678867A (en) 2023-12-13 2023-12-13 Back elevating system and seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311714848.6A CN117678867A (en) 2023-12-13 2023-12-13 Back elevating system and seat

Publications (1)

Publication Number Publication Date
CN117678867A true CN117678867A (en) 2024-03-12

Family

ID=90129789

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311714848.6A Pending CN117678867A (en) 2023-12-13 2023-12-13 Back elevating system and seat

Country Status (1)

Country Link
CN (1) CN117678867A (en)

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Country or region after: China

Address after: No. 3 Tandong Avenue, Dongyong Community, Longjiang Town, Shunde District, Foshan City, Guangdong Province (Jingyi Smart Home Industry Park)

Applicant after: Guangdong Jingyi Furniture Co.,Ltd.

Address before: No. 3 Tandong Avenue, Dongyong Community, Longjiang Town, Shunde District, Foshan City, Guangdong Province (Jingyi Smart Home Industry Park)

Applicant before: FOSHAN SITZONE FURNITURE Co.,Ltd.

Country or region before: China