CN207152319U - A kind of chair back multi-angle regulation seat - Google Patents

A kind of chair back multi-angle regulation seat Download PDF

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Publication number
CN207152319U
CN207152319U CN201621401508.3U CN201621401508U CN207152319U CN 207152319 U CN207152319 U CN 207152319U CN 201621401508 U CN201621401508 U CN 201621401508U CN 207152319 U CN207152319 U CN 207152319U
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China
Prior art keywords
chair
locking
lock
shaft
active
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Active
Application number
CN201621401508.3U
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Chinese (zh)
Inventor
梅宇宏
钱心宇
董辉煌
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Cangnan Middle School
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Cangnan Middle School
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Priority to CN201621401508.3U priority Critical patent/CN207152319U/en
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Abstract

A kind of chair back multi-angle regulation seat, by coupling by universal adjustment bulb and with the universal adjustment connection component that the ball recess of universal adjustment bulb corresponding matching forms between seat support and the chair back, back height regulation self-locking system is additionally provided with the chair back, described back height regulation self-locking system includes the universal driving shaft being placed in split type chair back unit, the active at universal driving shaft both ends is adjusted from lock set and passive adjusting part, the active for being placed in universal driving shaft one end is adjusted from the manually adjustable side back height of lock set, self-locking system is adjusted by back height and adjusts the height distance between split type chair back each unit so as to realize the adjustable locking of back height.The people of different building shape can select to be adapted to the angle and height of oneself, and human body compactness is high, greatly improves seat comfort degree and individual character degree.

Description

A kind of chair back multi-angle regulation seat
Technical field
It the utility model is related to a kind of chair back multi-angle regulation seat
Background technology
With the increasing of life stress and operating pressure, computer office, amusement, the popularization of study, present people need Before being sitting in desk or study table for a long time, prolonged sitting and sitting posture it is incorrect, cause the vertebra of people to bear Very big pressure, even strains, and causes slight illness.Although present market there are various seats, can not play slow The effect of lumbar fatigue is solved, because most of Chair back can not be adjusted, it is impossible to waist, back with strong support, sitting Time slightly length will have sense of fatigue.Even if part Chair back can be adjusted, back portion also can only be integrally-regulated, it is impossible to separates Regulation, the chair back and human body back can not form good fitting, it is impossible to back with good support;Most of regulation seat In regulation, regulation angle is dumb, it is impossible to carries out low-angle regulation;During noon lunch break, it can only lie prone and be rested on desk, it is unfavorable In the protection of backbone, the time is slightly long, and the position such as arm also has constriction, is unfavorable for blood circulation.
Utility model content
For above-mentioned technical problem, the utility model provide a kind of chair back both can with integrally-regulated, again can with separate regulation, The seat of angle needed for human body back can be flexibly selected, can also become a folding bed when the chair back is laid flat.
In order to solve the above technical problems, the utility model uses following technical scheme:A kind of chair back multi-angle regulation seat, Including chair leg, seat support, the chair back, head rest, by by universal adjustment bulb and and universal adjustment between described seat support and the chair back The universal adjustment connection component connection of the ball recess composition of bulb corresponding matching, the described chair back is split type, and it is by one The top chair back unit, several middle chair back units, tail chair back unit for being provided with head rest pass through universal adjustment successively Connection component support combinations are assembled, and back height regulation self-locking system and folding retractable chair are additionally provided with the described chair back Leg, described back height regulation self-locking system include universal driving shaft, the master at universal driving shaft both ends being placed in split type chair back unit From lock set and passive adjusting part, the active for being placed in universal driving shaft one end is adjusted from the manually adjustable side chair of lock set for dynamic regulation Back of the body height, passively adjusts and is arranged at the universal driving shaft other end from lock set and is driven by actively adjusting from lock set through universal driving shaft, real The back height of the side is now adjusted with actively adjusting self-locking component synchronization, described active regulation is pacified from lock set by fixed respectively Loaded on the first clip mutually on two chair back units of assembling up and down and active self-locking device composition, described active self-locking device Built-in active adjusting rope, manually regulation are around in the active adjusting rope length on the first clip, realize up and down mutually two chairs of assembling Carry on the back the adjustable of unit master end height;Passive regulation is from lock set by being fixedly installed in up and down mutually two chair back lists of assembling respectively The second clip and passive self-locking device composition in member, passive adjusting rope built in described passive self-locking device, by universal driving shaft The passive and synchronous length for adjusting and being around in passive adjusting rope on the second clip is driven, so as to realize up and down mutually two chair back lists of assembling The synchronous adjustment of first passive side height;Described folding retractable chair leg is respectively placed in tail chair back unit and middle chair back unit both sides In the chair leg standing groove being provided with, the folding retractable chair leg include the screwed articulated column in outer surface, with it is be hinged it is column articulated simultaneously And non-articulated end face is provided with the chair leg overcoat of telescopic hole, upper and lower part is threaded and the chair leg inner sleeve inserted in telescopic hole, Along aperture, the direction into hole is provided with one section of screw thread to the flexible internal surface of hole.
As an improvement:The active self-locking device by casing assembly, Handleset, transmission component, from lock set group Into the casing assembly includes actively being built-in with the first axle bed, second from lock housing body from lock housing body, round end cap, the active Axle bed, the 3rd axle bed, in the figure of eight and in be provided with deep trouth locking platform, be actively provided with from the lateral surface of lock housing body actively Rope outlet, described lock is provided with from lock set in platform, described to include locking pawl, short spring, the lock from lock set It is two cylinder conjoined structures to determine ratchet, i.e., including downward opening hollow left cylinder and right cylinder and the left cylinder of connection, right circle The connection transverse slat of post, the circular upper face of left cylinder are provided with a trapezoidal projection, and the circular upper face of right cylinder is provided with round platform Shape is raised, is respectively provided with short spring in the hollow left cylinder and right cylinder, one end of the short spring is connected to locking platform Deep trouth in, the handle portion includes connecting shaft, the lock positioned at the connecting shaft other end that handle, one end are fixedly connected with handle Fixed disk, for connecting shaft through actively being installed from lock housing body, the locking disc centre is provided with diameter through hole and in large-diameter deep The edge distribution in hole has a circle circle lock hole, prolongs in connecting shaft with being provided with locking disk connection end along connecting shaft length direction Stretch and include long spring, long spring standing groove, spine with the Small-deep Hole of diameter through hole coaxial communication, the transmission component Wheel, driving gear, driving shaft, driven disk, driven gear, driven shaft, one end of the driving shaft are cased with long spring and can inserted Enter in the Small-deep Hole of connecting shaft, the other end of driving shaft is connected on the first axle bed, described long spring standing groove, spine Wheel, driving gear are sheathed on driving shaft successively, and several are carried on the end face towards handle orientations in long spring standing groove The locking projections coordinated with locking disk circle lock hole, described driven shaft both ends are connected to actively from the of lock housing body On two axle beds, the 3rd axle bed, driven gear, driven disk, the interval between driven gear, driven disk are arranged with driven shaft Section is at active adjusting rope wiring, described driven gear with its intermeshing driving gear by driving.
As an improvement:Described passive self-locking device includes being built-in with the passive self-locking of vertical axle bed and circular axle bed Housing, rotary shaft, left rotation shaft are held, right rotation shafts are held, shaft-cup, the left disk of rotation being set in rotary shaft and rotate right circle Disk, described rotary shaft both ends are held by left rotation shaft, right rotation shafts hold and are connected to vertical axle bed, on circular axle bed, are rotated left Disk and the right disk spacer of rotation are at passive adjusting rope wiring, and passive rope outlet is provided with the side of housing.
As an improvement:The active axis connection of described universal driving shaft one end and active self-locking device, the other end with it is passive from The rotation axis connection of locking device.
As an improvement:The driven gear both sides carry gear baffle.
As an improvement:Described Handleset also includes fore-set, spring, and described connecting shaft stage casing carries neck arc Shape is recessed, and one end of the fore-set is arc end, and the other end is planar ends, and the planar ends of fore-set and active are between lock housing body Abutting has spring, and the arc end of the fore-set can be connected in neck arc-shaped recess under the action of the spring.
The beneficial effects of the utility model are:Using the cooperation of universal adjustment head and groove bulb so that each split type Flexible front and rear angles swing can be carried out between chair back each unit, and back height regulation self-locking system is additionally provided with the chair back System, handle in self-locking system is adjusted by pressing, rotating back height, adjust height between split type chair back each unit away from From so as to realizing the adjustable locking of back height.The people of different building shape can select to be adapted to the angle and height of oneself, human body Compactness is high, greatly improves seat comfort degree and individual character degree.
In order that the purpose, technical scheme and advantage of utility model are clearer, it is new to this practicality below in conjunction with accompanying drawing Type is described in further detail.
Brief description of the drawings:
Fig. 1 is the multifunction seat vertical structure schematic diagram of chair back multi-angle regulation.
Fig. 2 is chair base structure schematic diagram.
Fig. 3 is the structural representation for pushing up chair back unit.
Fig. 4 is the structural representation of middle chair back unit.
Fig. 5 is the structural representation of tail chair back unit.
Fig. 6 is the Structure explosion diagram of passive self-locking device.
Fig. 7 is active self-locking device Structure explosion diagram.
Fig. 8 is casing assembly structural representation in active self-locking device.
Fig. 9 is casing assembly internal structure schematic diagram in active self-locking device.
Figure 10 is from the structural representation of lock set in active self-locking device.
Embodiment:
As shown in Figures 1 to 10, a kind of chair back multi-angle regulation seat, including chair leg 101, seat support 1, the chair back, head rest 5, By by universal adjustment bulb 103 and spherical with the corresponding matching of universal adjustment bulb 103 between described seat support 1 and the chair back The universal adjustment connection component connection that groove 202 forms, the described chair back is split type, and it is by a top chair back unit 4, some Individual middle chair back unit 3, tail chair back unit 2 pass through universal adjustment connection component support combinations and are assembled successively, Back height regulation self-locking system is additionally provided with the described chair back, described back height regulation self-locking system includes being placed in point The active of universal driving shaft 10, the both ends of universal driving shaft 10 in body formula chair back unit is adjusted from lock set and passive adjusting part, is placed in connection The active of the one end of moving axis 10 is adjusted from the manually adjustable side back height of lock set, is passively adjusted from lock set and is arranged at linkage The other end of axle 10 is simultaneously driven by actively adjusting from lock set through universal driving shaft 10, and realizing should with actively adjusting the adjustment of self-locking component synchronization The back height of side, described active regulation is from lock set by being fixedly installed in respectively up and down mutually on two chair back units of assembling First clip and active self-locking device 9 are formed, active adjusting rope 7 built in described active self-locking device 9, and regulation manually is around in The length of active adjusting rope 7 on first clip, realize and mutually assemble the adjustable of two chair back unit master end height up and down; Passive regulation from lock set by be fixedly installed in respectively the second clip 6 mutually on two chair back units of assembling up and down and it is passive from Locking device 9 forms, passive adjusting rope 11 built in described passive self-locking device 8, by universal driving shaft 10 drive it is passive and synchronous regulation around In the length of passive adjusting rope 11 on the second clip 6, the passive side height of two chair back units is mutually assembled up and down so as to realize It is adjusted in synchronism;The chair leg that described folding retractable chair leg 13 is respectively placed in tail chair back unit 2 and the middle both sides of chair back unit 3 are provided with In standing groove 14, the folding retractable chair leg 13 include the screwed articulated column 13a in outer surface, be hinged it is column articulated and non- Be hinged end face is provided with telescopic hole 13b1 chair leg overcoat 13b, upper and lower part is threaded and inserted in the chair leg in telescopic hole 13c is covered, the direction into hole is provided with one section of screw thread to the telescopic hole 13b1 inner surfaces along aperture.
The active self-locking device 9 by casing assembly, Handleset, transmission component, form from lock set, the shell group Part includes actively being built-in with the first axle bed 90a, the second axle from lock housing body 900 from lock housing body 900, round end cap 907, the active Seat 90b, the 3rd axle bed 90c, in " 8 " fonts and in be provided with deep trouth 90f locking platform 90e, actively from the outer of lock housing body 900 It is provided with active rope outlet 90d, the locking platform 90e and is provided with from lock set on side, it is described to include lock from lock set Determine ratchet 906, short spring 923, the locking pawl 906 is two cylinder conjoined structures, i.e., including downward opening hollow left circle Post 906a and right cylinder 906b and the left cylinder 906a of connection, right cylinder 906b connection transverse slat 906c, left cylinder 906a circle Shape upper surface is provided with a trapezoidal projection, and right cylinder 906b circular upper face is provided with truncated cone-shaped projection, the hollow left circle Short spring 923 is respectively provided with post 906a and right cylinder 906b, one end of the short spring 923 is connected to locking platform 90e's In deep trouth 90f, the handle portion includes handle 901, the connecting shaft 904 that one end is fixedly connected with handle, positioned at connecting shaft 904 The locking disk 905 of the other end, through actively being installed from lock housing body 900, locking disk 905 center is provided with connecting shaft 904 Diameter through hole and there is a circle circle lock hole in the edge distribution of large diameter, deep borehole, connect in connecting shaft 904 and locking disk 905 Connect end on be provided with along connecting shaft length direction extend and with the Small-deep Hole of diameter through hole coaxial communication, the transmission component Including long spring 908, long spring standing groove 910, ratchet 911, driving gear 912, driving shaft 913, driven disk 918, driven Gear 920, driven shaft 921, one end of the driving shaft 913 are cased with long spring 908 and can be inserted into the minor diameter of connecting shaft 904 In deep hole, the other end of driving shaft 913 is provided with active bearings 914 and is connected on the first axle bed 90a, the first axle bed 90a On active bearings lid 915 is installed, described long spring standing groove 910, ratchet 911, driving gear 912 are sheathed on actively successively On axle 913, locked in long spring standing groove 910 on the end face towards handle orientations with several and the circle of locking disk 905 Determine the locking projections 909 of hole cooperation, the described both ends of driven shaft 921 are separately installed with first driven shaft and hold 917 and second driven Bearing 922 and be connected to actively from the second axle bed 90b, the 3rd axle bed 90c of lock housing body 900, pacify on second axle bed Equipped with passive bearing lid 916, driven gear 920, driven disk 918 are arranged with the driven shaft 921, driven gear 920, Spacer between driven disk 918 is at the wiring of active adjusting rope 7, described driven gear 920 is by intermeshing with it Driving gear 912 drives.
Described passive self-locking device 8 includes being built-in with the passive from lock housing body of vertical axle bed 80a and circular axle bed 80b 800th, rotary shaft 801, left rotation shaft hold the left circle of rotation that 804, right rotation shafts hold 805, shaft-cup 806, are set in rotary shaft 801 Disk 802 and right disk 803 is rotated, the described both ends of rotary shaft 801, which by left rotation shaft hold 804, right rotation shafts and hold 805, to be connected to On vertical axle bed 80a, circular axle bed 80b, rotate left disk 802 and rotate the right spacer of disk 803 for passive adjusting rope 11 around At rope, passive rope outlet 80c is provided with the side of housing.
Described one end of universal driving shaft 10 is connected with the driving shaft 913 of active self-locking device 9, the other end and passive self-locking device 8 Rotary shaft 801 connect.
The both sides of driven gear 920 carry gear baffle 919.
Described Handleset also includes fore-set 903, spring 902, and the described stage casing of connecting shaft 904 is recessed with neck arc Fall into, one end of the fore-set 903 be arc end, and the other end is planar ends, and the planar ends of fore-set 903 and active are from lock housing body 900 Between upper abutting have spring 902, the arc end of the fore-set 903 can be connected in neck arc-shaped recess under the action of the spring.

Claims (6)

1. a kind of chair back multi-angle regulation seat, it is characterised in that including chair leg (101), seat support (1), the chair back, head rest (5), institute The seat support (1) stated between the chair back by by universal adjustment bulb (103) and with universal adjustment bulb (103) corresponding matching The universal adjustment connection component connection of ball recess (202) composition, the described chair back is split type, and it is provided with head rest by one (5) top chair back unit (4), several middle chair back units (3), tail chair back unit (2) passes through universal tune successively Section connection component support combinations are assembled, and back height regulation self-locking system, described chair are additionally provided with the described chair back The active of universal driving shaft (10), universal driving shaft (10) both ends that back of the body height regulation self-locking system includes being placed in split type chair back unit is adjusted From lock set and passive adjusting part, the active for being placed in universal driving shaft (10) one end is adjusted from lock set manually adjustable side chair section Back of the body height, passively adjusts from lock set and is arranged at universal driving shaft (10) other end and by actively adjusting from lock set through universal driving shaft (10) Drive, realize that described active regulation is from lock set by dividing with actively adjusting the back height that self-locking component synchronization adjusts the side The first clip (12) mutually on two chair back units of assembling up and down and active self-locking device (9) composition, institute are not fixedly installed in Active adjusting rope (7) built in the active self-locking device (9) stated, manually regulation are around in the active adjusting rope on the first clip (12) (7) length, realize and mutually assemble the adjustable of two chair back unit master end height up and down;Passive regulation is from lock set by solid respectively Dingan County is loaded on the second clip (6) mutually on two chair back units of assembling up and down and passive self-locking device (8) composition, described quilt Passive adjusting rope (11) built in dynamic self-locking device (8), passive and synchronous regulation is driven to be around in the second clip (6) by universal driving shaft (10) The length of upper passive adjusting rope (11), so as to realize up and down the mutually synchronous adjustment of the assembling passive side height of two chair back units.
A kind of 2. chair back multi-angle regulation seat according to claim 1, it is characterised in that:The active self-locking device (9) by casing assembly, Handleset, transmission component, form from lock set, the casing assembly is included actively from lock housing body (900), round end cap (907), the active are built-in with the first axle bed (90a), the second axle bed (90b), from lock housing body (900) Three axle beds (90c), in " 8 " fonts and in be provided with deep trouth (90f) locking platform (90e), actively from the outside of lock housing body (900) Active rope outlet (90d) is provided with face, is provided with the locking platform (90e) from lock set, it is described to include from lock set Locking pawl (906), short spring (923), the locking pawl (906) is two cylinder conjoined structures, i.e., including downward opening Hollow left cylinder (906a) and right cylinder (906b) and the left cylinder (906a) of connection, the connection transverse slat of right cylinder (906b) (906c), the circular upper face of left cylinder (906a) are provided with a trapezoidal projection, set on the circular upper face of right cylinder (906b) There is truncated cone-shaped raised, short spring (923), the short bullet are respectively provided with the hollow left cylinder (906a) and right cylinder (906b) One end of spring (923) is connected in the deep trouth (90f) of locking platform (90e), and the handle portion includes handle (901), one end The connecting shaft (904) that is fixedly connected with handle, the locking disk (905) positioned at connecting shaft (904) other end, connecting shaft (904) Installed through active from lock housing body (900), described locking disk (905) center is provided with diameter through hole and in large diameter, deep borehole Edge distribution has a circle circle lock hole, and shaft length is connected with being provided with edge on locking disk (905) connection end in connecting shaft (904) Direction extends and includes long spring (908), long spring with the Small-deep Hole of diameter through hole coaxial communication, the transmission component Standing groove (910), ratchet (911), driving gear (912), driving shaft (913), driven disk (918), driven gear (920), Driven shaft (921), one end of the driving shaft (913) are cased with long spring (908) and can be inserted into the small-diameter deep of connecting shaft (904) In hole, the other end of driving shaft (913) is connected on the first axle bed (90a), described long spring standing groove (910), ratchet (911), driving gear (912) is sheathed on driving shaft (913) successively, is located in long spring standing groove (910) towards handle orientations End face on several and locking disk (905) circular lock hole (905a) coordinate locking projections (909), it is described from Moving axis (921) both ends are connected to actively from the second axle bed (90b), the 3rd axle bed (90c) of lock housing body (900), driven Driven gear (920), driven disk (918) are arranged with axle (921), between driven gear (920), driven disk (918) Spacer be active adjusting rope (7) wiring at, described driven gear (920) by with its intermeshing driving gear (912) Drive.
A kind of 3. chair back multi-angle regulation seat according to claim 1, it is characterised in that:Described passive self-locking device (8) include being built-in with the passive from lock housing body (800), rotary shaft (801), left-hand rotation of vertical axle bed (80a) and circular axle bed (80b) Dynamic bearing (804), right rotation shafts hold (805), shaft-cup (806), the left disk of rotation (802) being set in rotary shaft (801) and Right disk (803) is rotated, (804) are held in described rotary shaft (801) both ends by left rotation shaft, right rotation shafts hold (805) connection On vertical axle bed (80a), circular axle bed (80b), it is passive to rotate left disk (802) and rotate right disk (803) spacer At adjusting rope (11) wiring, passive rope outlet (80c) is provided with the side of housing.
A kind of 4. chair back multi-angle regulation seat according to claim 1, it is characterised in that:Described universal driving shaft (10) one end It is connected with the driving shaft (913) of active self-locking device (9), the other end is connected with the rotary shaft (801) of passive self-locking device (8).
A kind of 5. chair back multi-angle regulation seat according to claim 2, it is characterised in that:The driven gear (920) Both sides carry gear baffle (919).
A kind of 6. chair back multi-angle regulation seat according to claim 2, it is characterised in that:Described Handleset also wraps Including fore-set (903), spring (902), described connecting shaft (904) stage casing carries neck arc-shaped recess, and the one of the fore-set (903) It is planar ends to hold as arc end, the other end, and the planar ends of fore-set (903) between lock housing body (900) with actively having abutted bullet Spring (902), the arc end of the fore-set (903) can be connected in neck arc-shaped recess under the action of the spring.
CN201621401508.3U 2016-12-20 2016-12-20 A kind of chair back multi-angle regulation seat Active CN207152319U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621401508.3U CN207152319U (en) 2016-12-20 2016-12-20 A kind of chair back multi-angle regulation seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621401508.3U CN207152319U (en) 2016-12-20 2016-12-20 A kind of chair back multi-angle regulation seat

Publications (1)

Publication Number Publication Date
CN207152319U true CN207152319U (en) 2018-03-30

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ID=61709363

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621401508.3U Active CN207152319U (en) 2016-12-20 2016-12-20 A kind of chair back multi-angle regulation seat

Country Status (1)

Country Link
CN (1) CN207152319U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109567452A (en) * 2019-01-21 2019-04-05 韩承书 It is a kind of to sit seat of lying

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109567452A (en) * 2019-01-21 2019-04-05 韩承书 It is a kind of to sit seat of lying

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