CN106690961B - Seat convenient to adjust front and back - Google Patents

Seat convenient to adjust front and back Download PDF

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Publication number
CN106690961B
CN106690961B CN201611176879.0A CN201611176879A CN106690961B CN 106690961 B CN106690961 B CN 106690961B CN 201611176879 A CN201611176879 A CN 201611176879A CN 106690961 B CN106690961 B CN 106690961B
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CN
China
Prior art keywords
main panel
sliding
seat
matched
control assembly
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CN201611176879.0A
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CN106690961A (en
Inventor
毛华忠
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ANJI FUHE FURNITURE CO LTD
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ANJI FUHE FURNITURE CO LTD
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Priority to CN201611176879.0A priority Critical patent/CN106690961B/en
Publication of CN106690961A publication Critical patent/CN106690961A/en
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Publication of CN106690961B publication Critical patent/CN106690961B/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/02Seat parts
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/40Weight reduction

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  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The invention discloses a seat convenient to adjust forwards and backwards, which comprises a seat cushion and a base with a plurality of rollers, wherein the seat cushion comprises a seat cushion main body and a riding body covered on the seat cushion main body; the cushion main body comprises a main panel, a cover plate buckled on the main panel and an underframe which is connected under the main panel in a sliding manner and fixedly connected with the base; a control assembly for controlling the bottom frame and the main panel to be static or sliding relatively is connected to one side end of the top of the main panel, and a clamping groove structure matched with the control assembly is arranged at one side end of the bottom frame; the seat also comprises a plurality of roller self-locking mechanisms which are arranged on the rollers and connected with the control assembly. The invention adopts a simple and smart control structure and a sliding structure, realizes the forward and backward adjustment of the cushion with simple and labor-saving operation and smooth action and damping sense, simultaneously, the roller is quickly and conveniently locked in the adjustment process, and the forward and backward adjustment is ensured to be smoothly carried out.

Description

Seat convenient to adjust front and back
Technical Field
The invention relates to the technical field of seats, in particular to a seat convenient to adjust forwards and backwards.
Background
With the continuous improvement of living standard, people have put higher and higher demands on the comfort and adaptability of the seat. In order to adapt to different hip sizes of people with different body shapes, a seat front-back adjusting device is generally arranged on a higher-level seat, meanwhile, in order to facilitate people to move on the flat ground on the premise of sitting in the seat, rollers are often arranged below a base of the seat, and the seat is usually provided with five-star feet. The existing seat front-rear adjusting device is generally divided into a manual adjusting device and an electric adjusting device, the electric adjusting device is often complicated in structure and high in manufacturing cost, the manual electric adjusting device is often rough in structure and poor in adjusting hand feeling, meanwhile, when front-rear adjustment is needed, the seat is not easy to keep in a stable position due to the existence of rollers, adjustment is often hindered, even though the rollers are provided with locking devices, the locking devices of all the rollers are mutually independent, people are required to independently lock or unlock all the rollers, and the operation process is complex and time-consuming. The front-back adjusting device which is simple in structure, not rough, low in cost and flexible and smooth in adjustment is lacking in the market, and meanwhile, the roller can be quickly locked and unlocked.
Disclosure of Invention
The invention aims to provide a seat convenient to adjust forwards and backwards, which can overcome the defects of the prior art, adopts a simple and smart control structure and a sliding structure, realizes the forward and backward adjustment of a cushion with simple and labor-saving operation and smooth action and damping sense, simultaneously, locks a roller quickly and conveniently in the adjustment process, and ensures the smooth forward and backward adjustment.
The technical aim of the invention is realized by the following technical scheme:
a seat convenient for fore-and-aft adjustment comprises a cushion and a base with a plurality of rollers connected below the cushion, the seat cushion comprises a seat cushion main body and a riding body covered on the seat cushion main body; the cushion main body comprises a main panel, a cover plate which is buckled on the main panel and fixedly connected with the riding body, and a bottom frame which is connected under the main panel in a sliding manner and fixedly connected with the base; a control assembly for controlling the bottom frame and the main panel to be static or sliding relatively is connected to one side end of the top of the main panel, and a clamping groove structure matched with the control assembly is arranged at one side end of the bottom frame; the seat also comprises a plurality of roller self-locking mechanisms which are arranged on the rollers and connected with the control assembly.
Preferably, the control assembly comprises a control assembly body, a 'line' type control sheet rotationally connected with the control assembly body, and a control cover plate which covers the control assembly body and is used for fixing the control assembly body in the main panel.
Preferably, the control assembly body comprises a base plate, a control sheet connecting part arranged on one side of the base plate, and a rectangular plate arranged on the other side of the base plate and matched with the clamping groove structure; a long groove is formed in the base plate, a limiting long rod is arranged in the long groove, and a spring is sleeved on the limiting long rod; the pin shaft is fixedly arranged on the control sheet connecting part, and the end part of the right angle plate is provided with an m-shaped clamping head matched with the clamping groove structure; the 'train' type control piece comprises a short plate with a ring groove and connected with the connecting part of the control piece, a long plate extending out of the cushion main body, and a rotating shaft rotatably connected with the connecting part of the short plate and the long plate; the control cover plate comprises a cover plate base body with a mounting hole, a lug which is arranged at one side end of the bottom surface of the cover plate base body and is adaptive to the width of the long groove, a limit short rod which is arranged on the lug and is matched with the limit long rod to limit the spring, and an arc groove which is arranged on the bottom surface of the cover plate base body and is used for carrying out auxiliary positioning on the spring.
Preferably, the main panel further comprises a pair of limiting guide grooves formed in the bottom of the main panel and adapted to the width of the bottom frame, a mounting groove formed in the top of the main panel and adapted to the control assembly body, a through hole formed in one side of the mounting groove, through which the m-shaped clamping head penetrates from the top of the main panel to the limiting guide grooves to be matched with the clamping groove structure, a heightening strip formed in the surface of the mounting groove, and a groove adapted to the rotating shaft.
Preferably, the main panel further comprises a plurality of sliding grooves, sliding holes which are formed in the sliding grooves and are matched with the lengths of the clamping groove structures, and long protruding strips which are arranged on two sides of the sliding holes; the sliding groove is provided with a sliding block with the width matched with that of the sliding groove, and the bottom surface of the sliding block is provided with an elastic lug with the width matched with that of the long raised line.
Preferably, the top of the underframe is provided with a plurality of connecting blocks and a plurality of tension springs, the connecting blocks and the tension springs correspond to the sliding grooves in position direction and are fixedly connected with the sliding blocks, one ends of the tension springs are fixedly connected with the underframe, and the other ends of the tension springs are fixedly connected with the main panel.
Preferably, a pair of elastic guide tabs and a plurality of U-shaped joint columns are arranged at the bottom of the cover plate, and clamping protrusions are arranged at the ends of the elastic guide tabs; and the main panel is provided with a limit concave part which is adaptive to the clamping convex part and a joint block which is adaptive to the U-shaped joint column and provided with an elastic joint head.
Preferably, the roller comprises an intermediate shaft and a rotary table respectively connected with rotary shafts at two ends of the intermediate shaft; the roller self-locking mechanism comprises a locking structure which is adaptive to the shape of the roller and is vertically and slidably connected with the roller, one end of the locking structure penetrates through the middle shaft of the roller to be fixedly connected with the locking structure, and the other end of the locking structure is hinged with the long plate which is suspended outside the cushion main body.
Preferably, the locking structure comprises an elastic conical locking head provided with knurls on the surface of the lower end of the intermediate shaft and a sliding sleeve part for sliding connection between the elastic conical locking head and the intermediate shaft; the sliding sleeve comprises an outer sleeve fixedly connected with the top surface of the elastic conical head locking head, an inner sleeve sleeved in the outer sleeve and fixedly connected with the intermediate shaft, and a reset spring arranged in the inner sleeve and used for the traction steel wire to pass through.
Preferably, the maximum width of the elastic conical locking head is larger than the maximum interval between the turntables in the sliding range of the sliding sleeve; the traction steel wire is covered with a plurality of adhesive tapes which are fixedly connected with the base.
In summary, the invention has the following beneficial effects:
the seat convenient to adjust forwards and backwards is characterized in that a control assembly is arranged in a mounting groove on a main panel, a control cover plate restrains a base plate in the mounting groove, a rotating shaft is rotationally fixed in a groove, a long plate which is manually hung outside a seat cushion is rotated around the rotating shaft, the end part of the long plate is far away from the rotating shaft, a short plate can be rotated outwards in a labor-saving way, a ring groove drives the base plate to translate outwards, an m-shaped clamping head is separated from a clamping structure on a underframe, so that the seat cushion is adjusted forwards and backwards, a steel rope is pulled upwards while the long plate is pulled upwards, an elastic conical locking head is contacted with a roller, the roller is locked, and the smooth forward and backward adjustment is ensured; the limiting long rod is matched with the limiting short rod, and is used for connecting the spring and determining the stroke of the spring, and the arc groove is in contact with the spring along the axial direction of the spring, so that the spring can be kept stable and not to move when expanding and contracting; the lifting strips on the surface of the mounting groove reduce the contact area between the base plate and the mounting groove, reduce friction resistance, enable the translation of the base plate to be smoother, further reduce the force application of a person, release hands after adjustment, enable the base plate to translate inwards under the action of a spring restoring force, enable the m-shaped clamping head to be re-combined with the clamping structure, enable the control of the sliding of the cushion to be simple and labor-saving, enable the long plate to return downwards and enable the restoring spring to push the elastic conical locking head downwards, enable the elastic conical locking head to be released from the roller, and enable the locking of the roller to be released; the connection between the main panel and the underframe is realized through a plurality of groups of sliding block sliding groove structures, the bottom of the sliding block is provided with an elastic lug, the sliding block is arranged in the sliding groove and is fixedly connected with the underframe under the action of a fastener, the fastener is not fully tightened when connecting the sliding block with the connecting block of the underframe, so that the elastic lug keeps certain elasticity, namely the bottom surface of the sliding block is kept not contacted with the bottom surface of the sliding groove, and only the elastic lug is kept contacted with a long convex strip on the surface of the sliding groove, so that the connection between the main panel and the underframe is not loosened and is not fully fixedly connected, and the sliding between the main panel and the underframe is labor-saving and smooth; the tension spring on the underframe stretches along with the sliding of the main panel and the underframe, so that the front and back adjustment of the cushion has proper damping sense and centering force, the cushion acts uniformly during adjustment, and the cushion is convenient to return to the initial installation position.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of the seat cushion of the present invention;
FIG. 3 is a schematic view of the structure of the seat cushion of the present invention in the installation and molding;
FIG. 4 is an exploded view of the seat cushion of the present invention at another angle;
FIG. 5 is a schematic diagram of a control assembly according to the present invention;
FIG. 6 is a schematic front view of the main panel of the present invention;
FIG. 7 is a schematic view of a slider according to the present invention;
FIG. 8 is a schematic diagram of a roller self-locking mechanism according to the present invention;
FIG. 9 is a schematic view of a locking structure of the present invention;
in the figure:
10-cushion body, 20-seat body, 11-main panel, 12-cover plate, 13-underframe, 21-elastic guide tab, 22-U-shaped joint post, 211-snap-in protrusion, 116-limit concave part, 117-joint block, 111-limit guide groove, 113-slide groove, 1131-slide hole, 1132-long convex strip, 114-slide block, 1141-elastic tab, 132-connecting block, 30-control component, 131-clamping groove structure, 31-control component body, 33-control cover plate, 311-base plate, 312-control plate connecting part, 313-right angle plate, 3211-annular groove, 321-short plate, 322-long plate, 323-rotating shaft, 3121-pin shaft, 115-groove, 118-mounting groove, 3111-long groove, 3112-limit long rod, 1311-m-shaped clamping head, 3311-mounting hole, 331-cover plate base, 3312-bump, 3313-limit short rod, 3314-arc groove, 112-perforation, 119-heightening strip, 133-tension spring, 40-base, 50-cushion, 60-backrest, 70-roller self-locking device, 71-self-locking control mechanism, 72-self-locking actuator, 711-shell, 712-cover plate, 7121-center opening, 713-control button, 714-control chassis, 715-pushing component, 7122-axial extension, 7131-radial flange, 7132-screw, 7141-circular plate, 7142-sliding groove, 7143-limiting vertical plate, 716-pressure spring, 7151-connecting block, 7152-connecting sliding block, 7153-push rod, 7144-first through hole, 7111-second through hole, 411-intermediate shaft, 412-rotating disc, 721-locking structure, 722-traction steel wire, 7211-elastic conical locking head, 7212-sliding sleeve, 72121-outer sleeve, 72122-inner sleeve, 72123-return spring, 723-rubber sleeve and 724-adhesive tape.
Examples
The invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Examples: as shown in fig. 1 to 7, a seat convenient for front-back adjustment comprises a seat cushion and a base 40 with a plurality of rollers 41 connected below the seat cushion, wherein the seat cushion comprises a seat cushion main body 10 and a seat body 20, and the seat body 20 is covered on the seat cushion main body by gluing or other fixing modes; the cushion main body comprises a main panel 11, a cover plate 12 and a bottom frame 13, wherein the cover plate 12 is fixedly connected with a riding body, a pair of elastic guide tabs 21 and a plurality of U-shaped joint columns 22 are arranged at the bottom of the cover plate 12, and clamping protrusions 211 are arranged at the end parts of the elastic guide tabs 21; the main panel 11 is provided with a stopper recess 116 corresponding to the engagement protrusion 211 and a joint block 117 having an elastic joint head corresponding to the U-shaped joint post 22. The cover plate 12 is fixedly connected with the riding body 20 into a whole, when the cover plate 12 is mounted on the main panel 11, the convex elastic guide tab 21 is inserted into the main panel through the matching of the clamping protruding part 211 and the limiting concave part 116 to realize clamping, meanwhile, the elastic joint head is elastically deformed, so that the clamping protruding parts 211 at corresponding positions are sequentially inserted into the U-shaped joint columns 22, and finally, the cover plate and the main panel are fastened.
Further, the chassis 13 is slidably connected to the lower portion of the main panel 11 and is fixedly connected to the base 40. Specifically, a limiting guide groove 111 corresponding to the width of the chassis 13 is arranged at the bottom of the main panel 11, and the limiting guide groove 111 limits the chassis 13 in the main panel 11, so that the chassis 13 can only slide back and forth along the limiting guide groove 111; the main panel 11 is provided with a plurality of sliding grooves 113, sliding holes 1131 are formed in the sliding grooves 113, and long raised strips 1132 are arranged on two sides of the sliding holes 1131; the sliding groove 113 is provided with a sliding block 114 which is matched with the width of the sliding groove 113, and the bottom surface of the sliding block 114 is provided with an elastic lug 1141 which is matched with the width of the long raised line 1132; the top of the underframe 13 is provided with a plurality of connecting blocks 132 which correspond to the sliding grooves 113 in position and are used for fixedly connecting with the sliding blocks 114. The slider 114 is installed in the chute 113 and is fixedly connected with the connection block 132 on the chassis under the action of the fastener, the fastener is incompletely tightened when connecting the slider 114 and the connection block, so that the elastic tab 1141 keeps partial deformation, proper elasticity is reserved, namely, the bottom surface of the slider 114 is kept in incomplete contact with the bottom surface of the chute 113, and only the elastic tab 1141 is kept in contact with the long raised line 1132 on the surface of the chute 113, so that the connection between the main panel 11 and the chassis 13 is neither loosened nor completely fixedly connected, and the sliding between the main panel 11 and the chassis 13 is smooth in labor saving.
Further, a control assembly 30 for controlling the chassis 13 and the main panel 11 to be relatively stationary or sliding is connected to one side end of the top of the main panel 11, and a clamping groove structure 131 matched with the control assembly 30 is provided at one side end of the chassis 13.
Specifically, the control assembly 30 includes a control assembly body 31, a "train" type control sheet 32, and a control cover 33; the control assembly body 31 comprises a base plate 311, a control plate connecting part 312 arranged on one side of the base plate 311, and a rectangular plate 313 arranged on the other side of the base plate 311 and matched with the clamping groove structure 131; the "train" type control piece 32 includes a short plate 321 having a ring groove 3211, a long plate 322 extending to the outside of the cushion body 10, and a rotating shaft 323 rotatably connected to a joint between the short plate 321 and the long plate 322. A pin 3121 is arranged on the control sheet connecting part 312 and is sleeved in a ring groove 3211 on the short plate 321, so that the control assembly body 31 is rotationally connected with the 'train' type control sheet 32; the top of the main panel 11 is provided with a groove 115 which is matched with the rotating shaft 323, and the rotating shaft 323 is fixed in the groove 115, so that the 'He' type control sheet 32 can rotate around the rotating shaft 323; the top of the main panel 11 is also provided with a mounting groove 118 which is matched with the control component body 31, the control component body 31 is mounted in the mounting groove 118, and meanwhile, the control cover plate 33 is fixedly connected with the mounting groove 118 through a mounting hole 3311, so that the control component body 31 can only translate in the space between the mounting groove 118 and the control cover plate 33;
further, a long groove 3111 is formed in the base plate 311, a limit long rod 3112 is disposed in the long groove 3111, and a spring (not shown in the figure) is sleeved on the limit long rod 3112; the end of the rectangular plate 313 is provided with an m-shaped clamping head 1311 matched with the clamping groove structure 131; the control cover 33 comprises a cover substrate 331 with a mounting hole 3311, a projection 3312 which is arranged at one side end of the bottom surface of the cover substrate 331 and is matched with the width of the long groove 3111, a limit short rod 3313 which is arranged on the projection 3312 and is matched with the limit long rod 3112 to limit the spring, and an arc groove 3314 which is arranged on the bottom surface of the cover substrate 331 and is used for carrying out auxiliary positioning on the spring; further, one side of the mounting groove 118 is provided with a through hole 112 for allowing the m-shaped engagement head 1311 to penetrate between the limit guide grooves 111 from the top of the main panel 11 to engage with the groove structure 131, and a raised strip 119 provided on the surface of the mounting groove 118.
Further, as shown in fig. 1, 8 and 9, the seat further includes a plurality of roller self-locking mechanisms 72 provided on each of the rollers 41 and connected to the control assembly 30. Specifically, the roller 41 includes a middle shaft 411, and rotary discs 412 respectively connected to two ends of the middle shaft 411; the roller self-locking mechanism 72 includes a locking structure 721 adapted to the shape of the roller 41 and vertically slidably connected to the roller 41, a pulling steel wire 722 having one end passing through the intermediate shaft 411 of the roller 41 and fixedly connected to the locking structure 721 and the other end hinged to the long plate 322 suspended outside the cushion body 10; the locking structure 721 comprises an elastic conical locking head 7211 with knurled surface at the lower end of the intermediate shaft 411, and a sliding sleeve 7212 for sliding connecting the elastic conical locking head 7211 with the intermediate shaft 411; the sliding sleeve 7212 comprises an outer sleeve 72121 fixedly connected with the top surface of the elastic taper head locking head 7211, an inner sleeve 72122 fixedly connected with the intermediate shaft 411 and sleeved in the outer sleeve 72121, and a return spring 72123 arranged in the inner sleeve 72122 and through which the traction steel wire 722 passes.
The traction steel wire 722 is kept tight all the time under the combined action of the return spring 72123, and a plurality of adhesive tapes 723 used for being fixedly connected with the base 40 are covered outside the traction steel wire 722, so that the traction steel wire 722 is stable in position and does not interfere with each other when being connected to the connecting sliding block 7152.
In a natural state, the m-shaped clamping head 1311 and the clamping groove structure 131 are mutually jointed under the action of a spring, the cushion can not be adjusted back and forth, when the position adjustment is needed, the long plate 322 which is manually hung outside the cushion is upwards turned over, the long plate 322 drives the traction steel rope 722 to move upwards, so that the elastic conical locking head 7211 in the roller self-locking mechanism 72 is upwards contacted with the inner wall of the roller turntable 412 under the limit guidance of the sliding sleeve 7212, the elastic conical locking head 7211 deforms to be tightly attached to the roller 41, and the roller is locked; in the sliding range of the sliding sleeve 7212, the maximum width of the elastic conical locking head 7211 is larger than the maximum distance between the turntables 412, so that the elastic conical locking head 7211 is ensured to be fully contacted with the roller 41, and smooth front-back adjustment is ensured.
While the roller 41 is locked, the 'type' control piece 32 rotates around the rotating shaft 323, the end part of the long plate 322 is far away from the rotating shaft 323, so that the short plate 321 can be rotated outwards with less effort, the annular groove 3211 drives the base plate 311 to translate outwards, and the'm' -shaped clamping head 1311 is separated from the clamping structure 131 on the underframe 13, so that the seat cushion front-rear adjusting function is performed; the limit long rod 3112 and the limit short rod 3313 are matched with each other and are used for connecting the spring and determining the stroke of the spring, and the arc groove 3314 is in contact with the spring along the axial direction of the spring, so that the spring is kept stable and does not float when being stretched; the raised strips 119 on the surface of the mounting groove 118 reduce the contact area between the base plate 311 and the mounting groove 118, reduce friction resistance, enable the translation of the base plate 311 to be smoother, further reduce the force application of a person, enable the base plate 311 to translate inwards under the action of spring restoring force after adjustment, enable the m-shaped clamping head 1311 to be re-jointed with the clamping structure 131, enable the sliding control of the cushion to be simple and labor-saving, enable the long plate 322 to return downwards, enable the elastic conical locking head 7211 to be pushed downwards by the restoring spring 72123, enable the elastic conical locking head 7211 to be released from the roller 41, and enable the locking of the roller 41 to be released.
In addition, a plurality of tension springs 133 are arranged at the top of the chassis 13, one end of each tension spring 133 is fixedly connected with the chassis 13, and the other end of each tension spring is fixedly connected with the main panel 11. The tension spring 133 extends along with the relative sliding of the main panel 11 and the underframe 13, so that the front and back adjustment of the cushion has proper damping sense and centering force, the cushion acts uniformly during adjustment, and the cushion is convenient to return to the initial installation position.

Claims (7)

1. The utility model provides a conveniently carry out seat of fore-and-aft regulation, includes the cushion, connect in base (40) that have a plurality of gyro wheels (41) of cushion below, its characterized in that: the seat cushion comprises a seat cushion main body (10), and a riding body (20) covered on the seat cushion main body (10); the cushion main body (10) comprises a main panel (11), a cover plate (12) which is buckled on the main panel (11) and fixedly connected with the riding body (20), and a bottom frame (13) which is connected under the main panel (11) in a sliding manner and fixedly connected with the base (40); a control assembly (30) for controlling the bottom frame (13) and the main panel (11) to be relatively static or sliding is connected to one side end of the top of the main panel (11), and a clamping groove structure (131) matched with the control assembly (30) is arranged at one side end of the bottom frame (13); the seat also comprises a plurality of roller self-locking mechanisms (72) which are arranged on the rollers (41) and are connected with the control assembly (30);
the control assembly (30) comprises a control assembly body (31), a 'tie' type control sheet (32) rotationally connected with the control assembly body (31), and a control cover plate (33) which is covered on the control assembly body (31) and is used for fixing the control assembly body (31) in the main panel (11);
the main panel (11) further comprises a plurality of sliding grooves (113), sliding holes (1131) which are matched with the lengths of the clamping groove structures (131) are formed in the sliding grooves (113), and long raised strips (1132) which are arranged on two sides of the sliding holes (1131); a sliding block (114) which is matched with the width of the sliding groove (113) is arranged on the sliding groove (113), and an elastic lug (1141) which is matched with the width of the long raised line (1132) is arranged on the bottom surface of the sliding block (114);
the top of the underframe (13) is provided with a plurality of connecting blocks (132) and a plurality of tension springs (133) which correspond to the sliding grooves (113) in position direction and are used for being fixedly connected with the sliding blocks (114), one ends of the tension springs (133) are fixedly connected with the underframe (13), and the other ends of the tension springs are fixedly connected with the main panel (11).
2. A seat for facilitating fore-and-aft adjustment as defined in claim 1, wherein: the control assembly body (31) comprises a base plate (311), a control piece connecting part (312) arranged on one side of the base plate (311), and a rectangular plate (313) arranged on the other side of the base plate (311) and matched with the clamping groove structure (131); a long groove (3111) is formed in the base plate (311), a limit long rod (3112) is arranged in the long groove (3111), and a spring is sleeved on the limit long rod (3112); a pin shaft (3121) is fixedly arranged on the control sheet connecting part (312), and an m-shaped clamping head (1311) matched with the clamping groove structure (131) is arranged at the end part of the rectangular plate (313); the 'line' type control piece (32) comprises a short plate (321) with a ring groove (3211) and connected with the control piece connecting part (312), a long plate (322) extending out of the cushion main body (10), and a rotating shaft (323) rotatably connected with the connecting part of the short plate (321) and the long plate (322); the control cover plate (33) comprises a cover plate base body (331) with a mounting hole (3311), a projection (3312) arranged at one side end of the bottom surface of the cover plate base body (331) and adapted to the width of the long groove (3111), a limit short rod (3313) arranged on the projection (3312) and matched with the limit long rod (3112) to limit the spring, and an arc groove (3314) arranged on the bottom surface of the cover plate base body (331) to assist in positioning the spring.
3. A seat for facilitating fore-aft adjustment according to claim 2, wherein: the main panel (11) further comprises a pair of limit guide grooves (111) which are formed in the bottom of the main panel (11) and are matched with the width of the bottom frame (13), the bottom frame (13) is accommodated in the main panel (11), mounting grooves (118) which are formed in the top of the main panel (11) and are matched with the control assembly body (31), an m-shaped clamping head (1311) which is formed on one side of the mounting grooves (118) penetrates into the position limit guide grooves (111) from the top of the main panel (11) to be matched with the clamping groove structures (131), a through hole (112) which is formed in the surface of the mounting grooves (118) and grooves (115) which are matched with the rotating shafts (323).
4. A seat for facilitating fore-and-aft adjustment as defined in claim 1, wherein: a pair of elastic guide tabs (21) and a plurality of U-shaped joint columns (22) are arranged at the bottom of the cover plate (12), and clamping protrusions (211) are arranged at the ends of the elastic guide tabs (21); the main panel (11) is provided with a limit concave part (116) corresponding to the clamping protruding part (211) and a joint block (117) with an elastic joint head corresponding to the U-shaped joint column (22).
5. A seat for facilitating fore-aft adjustment according to claim 2, wherein: the roller (41) comprises an intermediate shaft (411) and turntables (412) respectively connected with rotating shafts at two ends of the intermediate shaft (411); the roller self-locking mechanism (72) comprises a locking structure (721) which is matched with the shape of the roller (41) and is vertically and slidably connected with the roller (41), one end of the pulling steel wire (722) penetrates through an intermediate shaft (411) of the roller (41) to be fixedly connected with the locking structure (721), and the other end of the pulling steel wire is hinged with the long plate (322) which is suspended outside the cushion main body (10).
6. A seat for facilitating fore-aft adjustment according to claim 5, wherein: the locking structure (721) comprises an elastic conical locking head (7211) with knurling on the surface of the lower end of the intermediate shaft (411), and a sliding sleeve (7212) which is used for slidably connecting the elastic conical locking head (7211) with the intermediate shaft (411); the sliding sleeve (7212) comprises an outer sleeve (72121) fixedly connected with the top surface of the elastic conical head locking head (7211), an inner sleeve (72122) sleeved in the outer sleeve (72121) and fixedly connected with the intermediate shaft (411), and a return spring (72123) arranged in the inner sleeve (72122) and used for allowing the traction steel wire (722) to pass through.
7. A seat for facilitating fore-aft adjustment according to claim 6, wherein: -the maximum width of the resilient conical locking head (7211) is greater than the maximum spacing between the turntables (412) within the sliding range of the sliding sleeve (7212); the traction steel wire (722) is externally covered with a plurality of adhesive tapes (723) which are used for being fixedly connected with the base (40).
CN201611176879.0A 2016-12-19 2016-12-19 Seat convenient to adjust front and back Active CN106690961B (en)

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Publication number Priority date Publication date Assignee Title
CN109953537B (en) * 2019-03-21 2024-03-26 浙江一章家居有限公司 Novel high-strength seat convenient to install

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6439661B1 (en) * 1998-10-20 2002-08-27 Vitra Patente Ag Chair mechanism
JP2003009988A (en) * 2001-06-27 2003-01-14 Kokuyo Co Ltd Chair
CN1432327A (en) * 2002-01-08 2003-07-30 道奥菲发展与投资有限公司 Chair
CN201076214Y (en) * 2007-05-29 2008-06-25 程鹏 Multifunction swivel chair
CN201384260Y (en) * 2009-03-26 2010-01-20 谭干荣 Chair cushion capable of being adjusted forwards and backwards
CN202739305U (en) * 2012-07-24 2013-02-20 泰桦家具股份有限公司 Adjusting device of seat
CN202932423U (en) * 2012-10-30 2013-05-15 安吉富和家具有限公司 Vertically and horizontally movable self-locking device
JP2014236875A (en) * 2013-06-07 2014-12-18 株式会社岡村製作所 Chair
CN105520412A (en) * 2016-01-11 2016-04-27 郭雪峰 Multifunctional lifting ladder chair
CN206979185U (en) * 2016-12-19 2018-02-09 安吉富和家具有限公司 A kind of convenient seat for carrying out front and rear regulation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1946674B1 (en) * 2007-01-22 2009-12-16 Sedus Stoll AG Chair with adjustable seat

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6439661B1 (en) * 1998-10-20 2002-08-27 Vitra Patente Ag Chair mechanism
JP2003009988A (en) * 2001-06-27 2003-01-14 Kokuyo Co Ltd Chair
CN1432327A (en) * 2002-01-08 2003-07-30 道奥菲发展与投资有限公司 Chair
CN201076214Y (en) * 2007-05-29 2008-06-25 程鹏 Multifunction swivel chair
CN201384260Y (en) * 2009-03-26 2010-01-20 谭干荣 Chair cushion capable of being adjusted forwards and backwards
CN202739305U (en) * 2012-07-24 2013-02-20 泰桦家具股份有限公司 Adjusting device of seat
CN202932423U (en) * 2012-10-30 2013-05-15 安吉富和家具有限公司 Vertically and horizontally movable self-locking device
JP2014236875A (en) * 2013-06-07 2014-12-18 株式会社岡村製作所 Chair
CN105520412A (en) * 2016-01-11 2016-04-27 郭雪峰 Multifunctional lifting ladder chair
CN206979185U (en) * 2016-12-19 2018-02-09 安吉富和家具有限公司 A kind of convenient seat for carrying out front and rear regulation

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