CN207411875U - A kind of multifunction seat of chair back multi-angle regulation - Google Patents

Abstract

A kind of multifunction seat of chair back multi-angle regulation, including chair leg, seat, the chair back, head rest, by coupling by universal adjustment bulb and with the universal adjustment connection component that the spherical groove of universal adjustment bulb corresponding matching forms between the seat and the chair back, the chair back is split type, its top chair back unit for being equipped with head rest by one, several intermediate chair back units, tail chair back unit passes through universal adjustment connection component support combinations and is assembled successively, back height is additionally provided on the chair back and adjusts self-locking system and folding retractable chair leg, the people of different building shape can select the angle and height that are suitble to oneself, human body compactness is high, greatly improve seat comfort degree and individual character degree；Folding chair leg on the inside of the chair back can also be would fit snugly within to pull out, seat is laid flat, fold chair leg expansion, seat is become as a portable bed, and comfortable tool for taking rest is provided for user.

Description

A kind of multifunction seat of chair back multi-angle regulation

Technical field

The utility model is related to a kind of multifunction seats of chair back multi-angle regulation

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, the vertebra of people is caused to hold It by very big pressure, even strains, causes slight illness.Although present market there are various seats, can not play Alleviate the effect of lumbar fatigue, because most of Chair back cannot be adjusted, it is impossible to waist, back with strong support, sit Send length that there will be feeling of fatigue between immediately.Even if part Chair back can be adjusted, back portion also can only be integrally-regulated, it is impossible to point Adjusting is opened, the chair back and human body back can not form good fitting, it is impossible to back with good support；Most of adjustment seat Chair it is dumb to adjust angle, it is impossible to carry out low-angle adjusting when adjusting；During noon lunch break, it can only lie prone and rest on desk, no Beneficial to the protection of backbone, the time is slightly long, and the positions such as arm also have constriction, are unfavorable for blood circulation.

Utility model content

For above-mentioned technical problem, the utility model provides a kind of chair back not only can be integrally-regulated, but 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 it is more Function seat, including chair leg, seat, the chair back, head rest, between the seat and the chair back by by universal adjustment bulb and with The universal adjustment connection component connection of the spherical groove composition of universal adjustment bulb corresponding matching, the chair back to be split type, It is passed through successively by a top chair back unit for being equipped with head rest, several intermediate chair back units, tail chair back unit Universal adjustment connection component support combinations are assembled, and back height is additionally provided on the chair back and adjusts self-locking system and folding Folded flexible chair leg, the back height, which adjusts self-locking system, includes the universal driving shaft, the universal driving shaft that are placed in split type chair back unit From lock set and passive adjusting part, the active adjusting for being placed in universal driving shaft one end can be adjusted manually from lock set for the active adjusting at both ends One side back height is saved, passive adjust from lock set is arranged at the universal driving shaft other end and by actively adjusting from lock set through universal driving shaft It drives, realizes that, with actively adjusting the back height that self-locking component synchronization adjusts the side, the active is adjusted from lock set by dividing The first fixing buckle and active self-locking device composition mutually assembled up and down on two chair back units, the active are not fixedly installed in Active adjusting rope built in self-locking device adjusts the active adjusting rope length being around on the first fixing buckle, realizes mutual up and down manually Assemble the adjustable of two chair back unit master end height；It is passive to adjust from lock set by being fixedly installed in up and down mutually assembling respectively The second fixing buckle and passive self-locking device composition on two chair back units, passive adjusting rope built in the passive self-locking device, By universal driving shaft passive and synchronous adjusting is driven to be around in the length of passive adjusting rope on the second fixing buckle, assembled so as to fulfill mutual up and down The synchronous adjustment of the passive side height of two chair back units；The folding retractable chair leg is respectively placed in tail chair back unit and the intermediate chair back In the chair leg placing groove that unit both sides are provided with, the folding retractable chair leg includes the screwed hinge column in outer surface, with being hinged The chair that column articulated and non-articulated end face is provided with the chair leg housing of telescopic hole, upper and lower part is threaded and is inserted into telescopic hole Leg inner sleeve, along aperture, the direction into hole is equipped 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 is included actively from lock shell, round end cap, and the active is built-in with the first axle bed, second from lock shell Axle bed, the 3rd axle bed, in the figure of eight and in be equipped with deep trouth locking platform, be actively provided with from the lateral surface of lock shell actively Rope outlet, described lock is equipped in platform from lock set, described to include locking pawl, short spring, the lock from lock set Pawl is determined for two cylinder conjoined structures, i.e., including downward opening hollow left cylinder and right cylinder and the left cylinder of connection, right circle The connection transverse slat of column, the circular upper face of left cylinder are equipped with a trapezoidal protrusion, and the circular upper face of right cylinder is equipped 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 shell, 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 on locking disk connecting pin along connecting shaft length direction Stretch and with the Small-deep Hole of diameter through hole coaxial communication, the transmission component include long spring, long spring standing groove, spine Wheel, driving gear, driving shaft, driven disk, driven gear, driven shaft, one end of the driving shaft, which is cased with long spring, can simultaneously insert Enter in the Small-deep Hole of connecting shaft, the other end of driving shaft is connected on the first axle bed, the long spring standing groove, spine Wheel, driving gear are sheathed on driving shaft successively, are located in long spring standing groove on the end face towards handle orientations and are carried several With the locking projections of locking disk circle lock hole cooperation, the driven shaft both ends are connected to actively from the of lock shell On two axle beds, the 3rd axle bed, driven gear, driven disk, the interval between driven gear, driven disk are arranged on driven shaft Section is at active adjusting rope wiring, the driven gear with its intermeshing driving gear by driving.

As an improvement：The passive self-locking device includes being built-in with the passive self-locking of vertical axle bed and circular axle bed Housing, rotation axis, left rotation shaft are held, right rotation shafts are held, shaft-cup, the left disk of rotation being set in rotation axis and rotate right circle Disk, the rotation axis 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 on 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：The Handleset further includes fore-set, spring, and the 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 shell 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

As an improvement：" u "-shaped notch is provided at the port of the chair leg placing groove, " u "-shaped notch surface carries Screw thread can be with hinge column thread fitting.

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 is additionally provided on the chair back and adjusts self-locking system System adjusts handle in self-locking system by pressing, rotating back height, adjust height between split type chair back each unit away from From the adjustable locking so as to fulfill back height.The people of different building shape can select the angle and height that are suitble to oneself, human body Compactness is high, greatly improves seat comfort degree and individual character degree；The folding chair leg on the inside of the chair back can also be would fit snugly within to pull out, by seat Chair is laid flat, and folds chair leg expansion, and seat is become as a portable bed, and comfortable tool for taking rest is provided for user.

It is new to this practicality below in conjunction with attached drawing in order to make the purpose, technical scheme and advantage of utility model clearer Type is described in further detail.

Description of the drawings：

Fig. 1 is the multifunction seat vertical structure schematic diagram of chair back multi-angle regulation.

Fig. 2 is structure diagram after the multifunction seat chair back of chair back multi-angle regulation is unfolded

Fig. 3 is chair base structure schematic diagram.

Fig. 4 is the structure diagram for pushing up chair back unit.

Fig. 5 is the structure diagram of intermediate chair back unit.

Fig. 6 is the structure diagram of tail chair back unit.

Fig. 7 is the Structure explosion diagram of passive self-locking device.

Fig. 8 is active self-locking device Structure explosion diagram.

Fig. 9 is casing assembly structure diagram in active self-locking device.

Figure 10 is casing assembly internal structure schematic diagram in active self-locking device.

Figure 11 is from the structure diagram of lock set in active self-locking device.

Figure 12 is the structure diagram of folding retractable chair leg.

Specific embodiment：

As shown in Figures 1 to 12, a kind of multifunction seat of chair back multi-angle regulation, including chair leg 101, seat 1, chair The back of the body, head rest 5, by by universal adjustment bulb 103 and corresponding with universal adjustment bulb 103 between the seat 1 and the chair back The universal adjustment connection component connection that the spherical groove 202 of cooperation forms, the chair back is split type, by a top chair back Unit 4, several intermediate chair back units 3, tail chair back unit 2 pass through universal adjustment connection component support combinations successively It is assembled, back height is additionally provided on the chair back and adjusts self-locking system, the back height adjusts self-locking system From lock set and passively adjusting group is adjusted including the universal driving shaft 10 that is placed in split type chair back unit, the active at 10 both ends of universal driving shaft Part, the active for being placed in 10 one end of universal driving shaft is adjusted from the manually adjustable one side back height of lock set, passive to adjust from lock set It is arranged at 10 other end of universal driving shaft and is driven by actively adjusting from lock set through universal driving shaft 10, realized with actively adjusting from lock set The back height of the synchronous adjustment side, the active are adjusted from lock set by being fixedly installed in up and down mutually two chairs of assembling respectively The first fixing buckle 12 and active self-locking device 9 on back of the body unit form, active adjusting rope 7 built in the active self-locking device 9, 7 length of active adjusting rope being around on the first fixing buckle 12 is adjusted manually, realizes up and down mutually two chair back unit master ends of assembling Height is adjusted；Passive adjust from lock set is consolidated by be fixedly installed in respectively up and down on mutually two chair back units of assembling second Surely button 6 and passive self-locking device 8 form, and passive adjusting rope 11, is driven by universal driving shaft 10 built in the passive self-locking device 8 Passive self-locking device 8 is adjusted in synchronism the length for being around in passive adjusting rope 11 on the second fixing buckle 6, so as to fulfill mutually assembling up and down The synchronous adjustment of the passive side height of two chair back units；The folding retractable chair leg 13 is respectively placed in tail chair back unit 2 and centre In the chair leg placing groove 14 that 3 both sides of chair back unit are provided with, it is screwed hinged that the folding retractable chair leg 13 includes outer surface Column 13a, the chair leg housing 13b of telescopic hole 13b1, upper and lower part are provided with spiral shell with hinged column articulated and non-articulated end face Line and the chair leg inner sleeve 13c being inserted into telescopic hole, along aperture, the direction into hole is equipped with one section of spiral shell to the telescopic hole 13b1 inner surfaces Line.

The active self-locking device 9 by casing assembly, Handleset, transmission component, form from lock set, the shell group Part is included actively from lock shell 900, round end cap 907, and the active is built-in with the first axle bed 90a, the second axis from lock shell 900 Seat 90b, the 3rd axle bed 90c, in " 8 " fonts and in be equipped with the locking platform 90e of deep trouth 90f, actively from the outer of lock shell 900 It is provided in active rope outlet 90d, the locking platform 90e and is equipped with from lock set on side, it is described to include lock from lock set Determine pawl 906, short spring 923, the locking pawl 906 is two cylinder conjoined structures, i.e., including downward opening hollow left circle Column 906a and right cylinder 906b and the left cylinder 906a of connection, the connection transverse slat 906c of right cylinder 906b, the circle of left cylinder 906a Shape upper surface is equipped with a trapezoidal protrusion, and the circular upper face of right cylinder 906b is equipped with truncated cone-shaped protrusion, the hollow left circle Short spring 923 is respectively provided in column 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 shell 900,905 center of the locking disk 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 equipped 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, the long spring standing groove 910, ratchet 911, driving gear 912 are sheathed on actively successively On axis 913, it is located in long spring standing groove 910 on the end face towards handle orientations with several and 905 circular lock of locking disk Determine the locking projections 909 of hole cooperation, 921 both ends of driven shaft 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 shell 900, pacify on second axle bed Equipped with passive bearing lid 916, driven gear 920, driven disk 918 are arranged on the driven shaft 921, driven gear 920, Spacer between driven disk 918 is at 7 wiring of active adjusting rope, the driven gear 920 is by intermeshing with it Driving gear 912 drives.

The passive self-locking device 8 includes being built-in with the passive from lock shell of vertical axle bed 80a and circular axle bed 80b 800th, rotation axis 801, left rotation shaft hold the left circle of rotation that 804, right rotation shafts hold 805, shaft-cup 806, are set in rotation axis 801 Disk 802 and right disk 803 is rotated, 801 both ends of rotation axis, 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 right 803 spacer of disk for passive adjusting rope 11 around At rope, passive rope outlet 80c is provided on the side of housing.

Described 10 one end of universal driving shaft is connected with the driving shaft 913 of active self-locking device 9, the other end and passive self-locking device 8 Rotation axis 801 connect.

920 both sides of driven gear carry gear baffle 919.

The Handleset further includes fore-set 903, spring 902, and 904 stage casing of connecting shaft is recessed with neck arc Fall into, one end of the fore-set 903 is arc end, and the other end is planar ends, the planar ends of fore-set 903 with actively from lock shell 900 Between upper abut 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.

" u "-shaped notch 14a is provided at the port of the chair leg placing groove 14, " u "-shaped notch 14a surfaces are threaded can With with hinge column thread fitting.

Claims (7)

1. a kind of multifunction seat of chair back multi-angle regulation, which is characterized in that including chair leg (101), seat (1), the chair back, head It holds in the palm (5), the seat (1) is between the chair back by by universal adjustment bulb (103) and right with universal adjustment bulb (103) The universal adjustment connection component connection for spherical groove (202) composition that should coordinate, the chair back is split type, by a peace Top chair back unit (4) equipped with head rest (5), several intermediate chair back units (3), tail chair back unit (2) lead to from top to bottom successively Universal adjustment connection component support combinations are crossed to be assembled, be additionally provided on the chair back back height adjust self-locking system and Folding retractable chair leg (13), the back height, which adjusts self-locking system, includes the universal driving shaft being placed in split type chair back unit (10), the active at universal driving shaft (10) both ends adjusts the active for from lock set and passive adjusting part, being placed in universal driving shaft (10) one end Adjust from the manually adjustable one side back height of lock set, it is passive adjust from lock set be arranged at universal driving shaft (10) other end and by Active is adjusted from lock set and driven through universal driving shaft (10), realizes the chair back height that the side is adjusted with actively adjusting self-locking component synchronization Degree, the active are adjusted from lock set by being fixedly installed in the first fixing buckle mutually assembled up and down on two chair back units respectively (12) adjust be around in manually with active self-locking device (9) composition, active adjusting rope (7) built in the active self-locking device (9) Active adjusting rope (7) length on first fixing buckle (12), realize up and down mutually assembling two chair back unit master end height can It adjusts；It is passive to adjust from lock set by being fixedly installed in the second fixing buckle (6) mutually assembled up and down on two chair back units respectively It is formed with passive self-locking device (8), passive adjusting rope (11) built in the passive self-locking device (8), by universal driving shaft (10) band Dynamic passive self-locking device (8) is adjusted in synchronism the length for being around in passive adjusting rope (11) on the second fixing buckle (6), so as to fulfill upper and lower The mutually synchronous adjustment of the assembling passive side height of two chair back units；The folding retractable chair leg (13) is respectively placed in tail chair back list In the chair leg placing groove (14) that first (2) and the intermediate chair back unit (3) both sides are provided with, the folding retractable chair leg (13) includes appearance The screwed hinge column in face (13a), the chair leg housing that telescopic hole (13b1) is provided with hinged column articulated and non-articulated end face (13b), upper and lower part are threaded and are inserted into the chair leg inner sleeve (13c) in telescopic hole, telescopic hole (13b1) inner surface Along aperture, into hole, direction is equipped with one section of screw thread.

2. a kind of multifunction seat of chair back multi-angle regulation according to claim 1, it is characterised in that：The active is certainly 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 from lock shell (900) be built-in with the first axle bed (90a), the second axle bed (90b), 3rd axle bed (90c), in the figure of eight and in be equipped with the locking platform (90e) of deep trouth (90f), actively from the outer of lock shell (900) Active rope outlet (90d) is provided on side, is equipped in the locking platform (90e) from lock set, it is described from lock set bag Locking pawl (906), short spring (923) are included, the locking pawl (906) is two cylinder conjoined structures, i.e., including opening down 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 equipped with a trapezoidal protrusion, are 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 in 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 Handleset 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) It is installed through active from lock shell (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) connecting pin in connecting shaft (904) Direction extend and with the Small-deep Hole of diameter through hole coaxial communication, the transmission component include long spring (908), long spring Placing 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), the long spring standing groove (910), ratchet (911), driving gear (912) is sheathed on successively on driving shaft (913), is located in long spring standing groove (910) towards handle orientations End face on the locking projections (909) with several and the circular lock hole cooperation of locking disk (905), the driven shaft (921) both ends are connected to actively from the second axle bed (90b), the 3rd axle bed (90c) of lock shell (900), driven shaft (921) driven gear (920), driven disk (918) are arranged on, between driven gear (920), driven disk (918) between Compartment at active adjusting rope (7) wiring, the driven gear (920) by with its intermeshing driving gear (912) band It is dynamic.

3. a kind of multifunction seat of chair back multi-angle regulation according to claim 1, it is characterised in that：Described is passive Self-locking device (8) include be built-in with vertical axle bed (80a) and circle axle bed (80b) it is passive from lock shell (800), rotation axis (801), left rotation shaft holds (804), right rotation shafts hold (805), shaft-cup (806), the left circle of rotation being set in rotation axis (801) Disk (802) and the right disk (803) of rotation, (804) are held in the rotation axis (801) both ends by left rotation shaft, right rotation shafts are held (805) it is connected to vertical axle bed (80a), on circular axle bed (80b), rotates left disk (802) and rotate right disk (803) and be spaced Section is at passive adjusting rope (11) wiring, and passive rope outlet (80c) is provided on the side of housing.

4. a kind of multifunction seat of chair back multi-angle regulation according to claim 1, it is characterised in that：The universal driving shaft (10) one end is connected with the driving shaft (913) of active self-locking device (9), the rotation axis of the other end and passive self-locking device (8) (801) connect.

5. a kind of multifunction seat of chair back multi-angle regulation according to claim 2, it is characterised in that：The driven tooth It takes turns (920) both sides and carries gear baffle (919).

6. a kind of multifunction seat of chair back multi-angle regulation according to claim 2, it is characterised in that：The handle Component further includes fore-set (903), spring (902), and the connecting shaft (904) stage casing carries neck arc-shaped recess, the fore-set (903) one end is arc end, and the other end is planar ends, and the planar ends of fore-set (903) and active are between lock shell (900) Abutting has spring (902), and the arc end of the fore-set (903) can be connected in neck arc-shaped recess under the action of the spring.

7. a kind of multifunction seat of chair back multi-angle regulation according to claim 1, it is characterised in that：The chair leg " u "-shaped notch (14a) is provided at the port of placing groove (14), " u "-shaped notch (14a) surface is threaded can be with hinge column spiral shell Line coordinates.