CN207075764U - A kind of double back ofs the body of hand lifting rectify appearance chair - Google Patents
A kind of double back ofs the body of hand lifting rectify appearance chair Download PDFInfo
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- CN207075764U CN207075764U CN201720217115.5U CN201720217115U CN207075764U CN 207075764 U CN207075764 U CN 207075764U CN 201720217115 U CN201720217115 U CN 201720217115U CN 207075764 U CN207075764 U CN 207075764U
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Abstract
The strong appearance chair for correcting faulty sitting posture is the utility model is related to, specifically, is related to a kind of double back ofs the body of hand lifting and rectifys appearance chair.Including chair leg assembly, lifting vertical rod assembly, seat support assembly and double chair back assemblies；The chair leg assembly is provided with foot stool, and several castors are provided with the foot stool, and the center of the chair leg assembly is provided with vertical rod assembling slot；The bottom of the lifting vertical rod assembly is assemblied in vertical rod assembling slot；The seat support assembly and double chair back assemblies are assembled on lifting vertical rod assembly, and realize synchronization lifting by the control of the hand crank component at the top of lifting vertical rod assembly.Elastic intermediate of the present utility model can overcome the defects of traditional spring structure and elastomeric material, improve the comfortableness of double chair back, extend the service life of chair；In addition, the synchronization lifting of seat support assembly and double chair back assemblies is realized by hand crank Component driver screw rod, it is not only easy to operate, laborsaving, moreover, potential safety hazard is eliminated, it is safe to use.
Description
Technical field
The strong appearance chair for correcting faulty sitting posture is the utility model is related to, specifically, is related to a kind of double back ofs the body of hand lifting and rectifys appearance
Chair.
Background technology
Existing learning chair, strong appearance chair, office chair typically can only all meet seat tool function, and adjust seat height, improve the chair back
Comfort level is also one of such seat tool necessary functions.
Although having occurred many double chair with backs in the market rectifys appearance chair, existing double chair with backs rectify appearance chair the chair back and
Vertical rod connected mode majority is spring structure, there is that spring force is uneven, screen resilience is inadequate, and double chair back are not right after easily there is resilience
The phenomenon of title.In the market also has replaces spring structure with elastomeric material, but majority is to take solid elastomeric material, because of seat during use
Chair back pressure is frequent, easily causes solid elastomeric material aging serious and ftractures, shortens chair service life.
In addition, existing learning chair, strong appearance chair, office chair regulation seat height majority are completed using air pressure lever apparatus, no
Simply fail to realize that the chair back is adjusted in synchronism height with seat cushion, but also the phenomenon of atmospheric pressure pole blast often occurs, have potential safety hazard.And
A small number of purely manual regulation height rectify appearance chair, and operation is laborious, and the children of smaller age bracket are, it is necessary to which father and mother's help could complete regulation
The operation of seat support height.
Utility model content
The purpose of this utility model is, there is provided a kind of hand double back ofs the body of lifting rectify appearance chair, to solve above-mentioned technical problem.
To achieve the above object, technical scheme is used by the utility model：
A kind of strong appearance chair of double back ofs the body of hand lifting, including chair leg assembly, lifting vertical rod assembly, seat support assembly and double chair back are total
Into；The chair leg assembly is provided with foot stool, and several castors are provided with the foot stool, and the center of the chair leg assembly is provided with vertical rod
Assemble slot；The bottom of the lifting vertical rod assembly is assemblied in vertical rod assembling slot；It is characterized in that：The seat support assembly and
Double chair back assemblies are assembled on lifting vertical rod assembly, and pass through the control of the hand crank component at the top of lifting vertical rod assembly
System realizes synchronization lifting.
Further say, the lifting vertical rod assembly includes：Inner tube, outer tube, screw rod, inner and outer pipes be oriented to plug, upper bearing (metal),
Lower bearing and the outer tube obturating plug with handle；The inner and outer pipes are oriented to plug and are assemblied in interior tube cavity, are oriented to and fill in inner and outer pipes
Center be embedded with nut, the screw rod is oriented to plug through inner and outer pipes up and down, and the nut thread at plug center is oriented to inner and outer pipes
It is assembled together；The lower bearing is assemblied on the top of screw rod, and the upper bearing (metal) is arranged in outer tube obturating plug, the outer pipe close
Seat is securely fitted at the top boss of outer tube；Upper bearing (metal) is run through on the top of the screw rod；The bottom fixing assembling of the outer tube
There is seat bracket sleeve pipe, seat support fixed support is fixed with seat bracket sleeve pipe；U-shaped is provided with the middle part of the rear side of the seat support assembly
Recess, the U-shaped recess of the seat support assembly are stuck on lifting outer tube, and the bottom of seat support assembly is fixed on seat support fixed support.
Further say, the hand crank component includes hand crank shell and the hand crank being assemblied in hand crank shell；
The hand crank shell is mainly made up of base and upper lid, and the base attaches together with upper cover buckle to be matched somebody with somebody and fastened by screw；Upper
Lid trim is installed on the centre bore of lid；Projection is provided with the bottom of base；It is provided with and screw tip in the projection
The pilot hole that polygon prism structure matches, the projection are connected by the pilot hole with the top of screw rod；
The hand crank includes rotating shaft and shaft seat, and the shaft seat card with shaft seat form fit is provided with the base
Groove, the shaft seat are assemblied in shaft seat neck；The rotating shaft is fixed on the outer end top surface of shaft seat, and on the top of rotating shaft
Wind is equipped with end；The wind is enclosed on the top of rotating shaft, and is locked by wind trip bolt, in wind
Top wind trim is installed；Be fixed with only card convex post on the bottom surface of the outer end of the shaft seat, the base it is outer
End is provided with to match corresponding arc bayonet socket with only card convex post；The longitudinal direction of indent is arranged with the left and right side of the shaft seat
Bayonet socket；Defelctor apron is respectively equipped with the top of the left and right sidewall of the shaft seat neck, is distinguished in the left and right sidewall of shaft seat neck
Provided with the only card convex block corresponding with longitudinal bayonet socket.
Further say, double chair back assemblies include the left chair back, the right chair back, posture corrective belt, two elastic intermediates, eight words
Type back of the body joint element for bar, the two groups of half sphere shape connection components in left and right, back of the body bar clamping ring, clamping ring inner sleeve；The posture corrective belt is assemblied in
On the left chair back/right chair back；The left chair back includes left chair back shell, left chair back inner casing and left chair back sponge, in the left chair back
Shell and left chair back sponge are adhesively fixed, and are integrally formed by screw and the fastening of left chair back shell；The right chair back includes right chair
Back of the body shell, right chair back inner casing and right chair back sponge, the right chair back inner casing and right chair back sponge are adhesively fixed, and by screw with
Right chair back shell fastening is integrally formed；Two described elastic intermediates are assemblied in left chair back case back recess respectively
Left side elastic intermediate and the right side elastic intermediate being assemblied in right chair back case back recess；The splayed configuration back of the body bar connection
The left and right ends of part are connected by dome-type connecting rod with left side elastic intermediate, right side elastic intermediate respectively；The back of the body bar
Clamping ring is securely fitted in the middle part on rear side of splayed configuration back of the body joint element for bar, and the clamping ring inner sleeve is split-type structural, by two
Semicylinder structure is formed, and is assemblied in back of the body bar clamping ring, and is provided with the side wall of back of the body bar clamping ring and is used to assemble locking screw
The screw of silk；Double chair back assemblies are assemblied in the top of outer tube by carrying on the back bar clamping ring.
Furtherly, the center of the elastic intermediate is provided with central through hole, and the central through hole periphery forms hemisphere
Shape recess, the periphery of the hemispheric notch are uniformly provided with several recesses, the top of the hemispheric notch, lower section and
Left/right side is respectively equipped with strip neck, and two elastic intermediates assemble left chair back shell, right chair by strip neck respectively
In the back recess for carrying on the back shell；The end of the dome-type connecting rod is provided with the half sphere shape structure to match with hemispheric notch；
The mounting groove corresponding with elastic intermediate is respectively equipped with front side of the left and right ends of the splayed configuration back of the body joint element for bar；Two elasticity
Intermediate corresponds in the mounting groove of the left and right ends of splayed configuration back of the body joint element for bar respectively, and passes through dome-type connecting rod respectively
It is locked.
Beneficial effect：Compared with prior art, elastic intermediate of the present utility model can overcome traditional spring structure
And the defects of elastomeric material, the comfortablenesses of double chair back is improved, extends the service life of chair；In addition, driven by hand crank component
Dynamic screw rod realizes the synchronization lifting of seat support and double chair back assemblies, not only easy to operate, laborsaving, moreover, eliminating potential safety hazard, makes
With safe.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is decomposition texture schematic diagram of the present utility model；
Fig. 3 is the decomposition texture schematic diagram of hand crank component described in the utility model；
Fig. 4 is the decomposition texture schematic diagram that vertical rod assembly is lifted described in the utility model；
Fig. 5 is the decomposition texture schematic diagram of double chair back assemblies described in the utility model；
Fig. 6 is the structural representation of elastic intermediate described in the utility model.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
Reference picture 1, Fig. 2, the hand double back ofs the body of lifting described in the utility model rectify appearance chair, including chair leg assembly 1, lifting vertical rod
Assembly, seat support assembly 4 and double chair back assemblies；The chair leg assembly 1 is provided with foot stool 11, and several pin are provided with the foot stool 11
Wheel 12, the center of the chair leg assembly 1 are provided with vertical rod assembling slot 13；The bottom of the lifting vertical rod assembly is assemblied in vertical rod
Assemble in slot 13；The seat support assembly 4 and double chair back assemblies are assembled on lifting vertical rod assembly, and by installed in lifting
Synchronization lifting is realized in the control of hand crank component 5 at the top of vertical rod assembly.
As shown in figure 4, the lifting vertical rod assembly includes：Inner tube 32, outer tube 31, screw rod 34, inner and outer pipes be oriented to plug 38, on
Bearing 36, lower bearing 37 and the outer tube obturating plug 35 with handle 33；The inner and outer pipes are oriented to plug 38 and are assemblied in the inner chamber of inner tube 32
In, the center that plug 38 is oriented in inner and outer pipes is embedded with nut, and the screw rod is oriented to about 34 through inner and outer pipes fills in 38, and with it is inside and outside
The nut thread that pipe is oriented to 38 centers of plug is assembled together；The lower bearing 37 is assemblied at the top boss of screw rod 34, described
Upper bearing (metal) 36 is arranged in outer tube obturating plug 35, and the outer tube obturating plug 35 is securely fitted on the top of outer tube 31；The screw rod
Upper bearing (metal) 36 is run through on top；The bottom fixing assembling of the outer tube 31 has seat bracket sleeve pipe 21, consolidates on seat bracket sleeve pipe 21
Surely there is seat support fixed support 2；The bottom of the seat support assembly 4 is fixed on seat support fixed support 2.After the seat support assembly 4
Middle side part is provided with U-shaped recess 41, and the U-shaped recess 41 of the seat support assembly 4 is stuck on lifting outer tube 31, so as to ensure seat support assembly
The maximization of 4 deep strokes.
As shown in figure 3, the hand crank component 5 includes hand crank shell and the hand crank being assemblied in hand crank shell；
The hand crank shell is mainly made up of base 503 and upper lid 502, and the base 503 fastens with upper lid 502 and assembles and pass through spiral shell
Clench solid；Lid trim 511 is installed on the centre bore of upper lid 502；Projection 505 is provided with the bottom of base 503；It is described
Be provided with the pilot hole to match with the polygon prism structure on the top of screw rod 34 in projection 505, the projection 505 by the pilot hole with
The top of screw rod 34 is connected；
The hand crank includes rotating shaft 513 and shaft seat 506, is provided with and the form fit of shaft seat 506 in the base 503
Shaft seat neck 507, the shaft seat 506 is assemblied in shaft seat neck 507；The rotating shaft 513 is fixed on shaft seat 506
Outer end top surface on, and wind 501 is equipped with the top of rotating shaft 513；The wind 501 is enclosed on the top of rotating shaft 513
On end, and locked by wind trip bolt 510, wind trim 509 is installed at the top of wind 501；It is described
Only card convex post 504 is fixed with the bottom surface of the outer end of shaft seat 506, the outer end of the base 503 is provided with and the only phase of card convex post 504
Arc bayonet socket 514 corresponding to matching；Longitudinal bayonet socket 512 of indent is arranged with the left and right side of the shaft seat 506；It is described
Defelctor apron 508 is respectively equipped with the top of the left and right sidewall of shaft seat neck 507, is distinguished in the left and right sidewall of shaft seat neck 507
Provided with the only card convex block 515 corresponding with longitudinal bayonet socket 512.When hand crank works, shaft seat 506, and only card convex are stretched out
Block 515 engages with longitudinal bayonet socket 512, so as to ensure that hand crank, will not be in flexible stroke other direction when carrying out 360 ° of rotations
By compression return；When hand crank does not work, shaft seat 506 is inwardly pushed away, it is retracted in situ, only card convex post 504 and arc card
Mouth 514 coincide, at this moment hand crank akinesias, so as to decline during chair in guarantor's housing.
As shown in figure 5, double chair back assemblies include the left chair back 6, the right chair back 7, posture corrective belt 8, two elastic intermediates, eight
Font back of the body joint element for bar 9, the two groups of half sphere shape connection components in left and right, back of the body bar clamping ring 93, clamping ring inner sleeve 94；The posture corrective belt
8 are assemblied on the right chair back 7 of the left chair back 6/；The left chair back 6 includes left chair back shell 61, left chair back inner casing 62 and left chair back sponge
63, the left chair back inner casing 62 and left chair back sponge 63 are adhesively fixed, and turn into one by screw and the fastening of left chair back shell 61
Body.The right chair back 7 includes right chair back shell 71, right chair back inner casing 72 and right chair back sponge 73, the right He of chair back inner casing 72
Right chair back sponge 73 is adhesively fixed, and is integrally formed by screw and the fastening of right chair back shell 71.Among two described elasticity
Body is the left side elastic intermediate 91 being assemblied in the left back recess of chair back shell 61 respectively and is assemblied in right chair back shell 71 and carries on the back
Right side elastic intermediate 92 in portion's recess；The left and right ends of the splayed configuration back of the body joint element for bar 9 pass through dome-type connecting rod respectively
97 are connected with left side elastic intermediate 91, right side elastic intermediate 92；The back of the body bar clamping ring 93 is securely fitted in splayed configuration
The middle part of the rear side of joint element for bar 9 is carried on the back, the clamping ring inner sleeve 94 is split-type structural, is made up of two semicylinder structures, dress
Fit in back of the body bar clamping ring 93, and the screw 98 for being used for assembling lock screw is provided with the side wall of back of the body bar clamping ring 93；It is described
Double chair back assemblies are assemblied in the top of outer tube 31 by carrying on the back bar clamping ring 93.
As shown in fig. 6, the center of the elastic intermediate is provided with central through hole, the central through hole periphery forms hemispherical
Recess A2, the hemispheric notch A2 periphery are uniformly provided with several recesses A3, top, the lower section of the hemispheric notch A2
And left/right side is respectively equipped with strip neck A1, two elastic intermediates assemble the left chair back by strip neck A1 respectively
Shell 61, right chair back shell 71 back recess in；The end of the dome-type connecting rod 97 is provided with and hemispheric notch A2 phases
The half sphere shape structure matched somebody with somebody；It is respectively equipped with front side of the left and right ends of the splayed configuration back of the body joint element for bar 9 relative with elastic intermediate
The mounting groove answered；Two elastic intermediates correspond in the mounting groove of the left and right ends of splayed configuration back of the body joint element for bar 9 respectively,
And it is locked respectively by dome-type connecting rod 97.
When human body is sitting on seat support assembly 4, body weight hypsokinesis is always shaped as pressure to double chair back, and pressure is through in elasticity
Mesosome passes to vertical rod connector 9, and thirty years of age of joint element for bar 9 is fixed on outer tube 31, so as to produce reaction force to pressure, is formed
To the squeezing action of elastic intermediate, the characteristic of elastic intermediate is slowly to deform, so as to improve the comfortableness of double chair back；
When human body leaves seat support or straight seat, distress resolves, double chair back are under elastic intermediate rebound effect, extensive wilful normal condition.
When needing that the height of seat support assembly 4 and double chair back assemblies is adjusted, pass through wind 501, drive screw 34
Rotate, it is produced relative displacement with inner tube 32, it is final real so as to drive outer tube 31 to be risen or fallen relative to fixed inner tube 32
The synchronization lifting of existing seat support assembly 4 and double chair back assemblies.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.Ability
For field technique personnel it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment is explanation
Principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various changes
Change and improve, these changes and improvements are both fallen within claimed the scope of the utility model.The requires of the utility model protects model
Enclose by claims and its equivalent thereof.
Claims (5)
1. a kind of double back ofs the body of hand lifting rectify appearance chair, including chair leg assembly (1), lifting vertical rod assembly, seat support assembly (4) and double chair back
Assembly；The chair leg assembly (1) is provided with foot stool (11), and several castors (12), the chair leg are provided with the foot stool (11)
The center of assembly (1) is provided with vertical rod assembling slot (13)；The bottom of the lifting vertical rod assembly is assemblied in vertical rod assembling slot
(13) in；It is characterized in that：The seat support assembly (4) and double chair back assemblies are assembled on lifting vertical rod assembly, and pass through peace
Synchronization lifting is realized in the control of hand crank component (5) at the top of lifting vertical rod assembly.
2. the double back ofs the body of hand lifting according to claim 1 rectify appearance chair, it is characterised in that：The lifting vertical rod assembly includes：
Inner tube (32), outer tube (31), screw rod (34), inner and outer pipes are oriented to plug (38), upper bearing (metal) (36), lower bearing (37) and with handle
(33) outer tube obturating plug (35)；The inner and outer pipes are oriented to plug (38) and are assemblied in inner tube (32) inner chamber, are oriented to and fill in inner and outer pipes
(38) center is embedded with nut, and the screw rod (34) is oriented to plug (38) through inner and outer pipes up and down, and is oriented to and fills in inner and outer pipes
(38) nut thread at center is assembled together；The lower bearing (37) is assemblied at the top boss of screw rod (34), it is described on
Bearing (36) is arranged in outer tube obturating plug (35), and the outer tube obturating plug (35) is securely fitted on the top of outer tube (31)；It is described
Upper bearing (metal) (36) is run through on the top of screw rod；The bottom fixing assembling of the outer tube (31) has seat bracket sleeve pipe (21), seat support branch
Seat support fixed support (2) is fixed with frame sleeve pipe (21)；U-shaped recess (41), institute are provided with the middle part of the rear side of the seat support assembly (4)
The U-shaped recess (41) for stating seat support assembly (4) is stuck on lifting outer tube (31), and the bottom of seat support assembly (4) is fixed on seat support and fixed
On support (2).
3. the double back ofs the body of hand lifting according to claim 2 rectify appearance chair, it is characterised in that：The hand crank component (5) includes
Hand crank shell and the hand crank being assemblied in hand crank shell；The hand crank shell is mainly by base (503) and upper lid
(502) form, the base (503) fastens with upper lid (502) and assembles and fastened by screw；Centre bore in Shang Gai (502)
On lid trim (511) is installed；Projection (505) is provided with the bottom of base (503)；Be provided with the projection (505) with
The pilot hole that the polygon prism structure on screw rod (34) top matches, the projection (505) pass through the pilot hole and screw rod (34)
Top is connected；
The hand crank includes rotating shaft (513) and shaft seat (506), is provided with and shaft seat (506) shape in the base (503)
The shaft seat neck (507) of matching, the shaft seat (506) are assemblied in shaft seat neck (507)；The rotating shaft (513) is solid
It is scheduled on the outer end top surface of shaft seat (506), and wind (501) is equipped with the top of rotating shaft (513)；The wind
(501) it is enclosed on the top of rotating shaft (513), and is locked by wind trip bolt (510), at the top of wind (501)
Wind trim (509) is installed；Only card convex post (504), institute are fixed with the bottom surface of the outer end of the shaft seat (506)
The outer end for stating base (503) is provided with and matched corresponding arc bayonet socket (514) with only card convex post (504)；The shaft seat (506)
Left and right side on be arranged with longitudinal bayonet socket (512) of indent；At the top of the left and right sidewall of the shaft seat neck (507) respectively
Provided with defelctor apron (508), it is respectively equipped with the left and right sidewall of shaft seat neck (507) corresponding with longitudinal bayonet socket (512)
Only card convex block (515).
4. the double back ofs the body of hand lifting according to claim 3 rectify appearance chair, it is characterised in that：Double chair back assemblies include left chair
Carry on the back two groups of (6), the right chair back (7), posture corrective belt (8), two elastic intermediates, splayed configuration back of the body joint element for bar (9), left and right half sphere shapes
Connection component, back of the body bar clamping ring (93), clamping ring inner sleeve (94)；The posture corrective belt (8) is assemblied in the left chair back (6)/right chair back (7)
On；The left chair back (6) includes left chair back shell (61), left chair back inner casing (62) and left chair back sponge (63), the left chair back
After inner casing (62) and left chair back sponge (63) stickup are fixed, it is integrally formed by screw and the fastening of left chair back shell (61)；It is described
The right chair back (7) includes right chair back shell (71), right chair back inner casing (72) and right chair back sponge (73), the right chair back inner casing (72)
Paste with right chair back sponge (73) after fixing, be integrally formed by screw and the fastening of right chair back shell (71)；Two described bullets
Property intermediate is the left side elastic intermediate (91) being assemblied in the recess of left chair back shell (61) back respectively and is assemblied in right chair
Carry on the back the right side elastic intermediate (92) in the recess of shell (71) back；The left and right ends point of the splayed configuration back of the body joint element for bar (9)
It is not connected by dome-type connecting rod (97) with left side elastic intermediate (91), right side elastic intermediate (92)；The back of the body bar connects
Adapter ring (93) is securely fitted in the middle part on rear side of splayed configuration back of the body joint element for bar (9), and the clamping ring inner sleeve (94) is split type knot
Structure, it is made up of, is assemblied in back of the body bar clamping ring (93) two semicylinder structures, and is set in the side wall of back of the body bar clamping ring (93)
Have for assembling the screw of lock screw (98)；Double chair back assemblies are assemblied in outer tube (31) by carrying on the back bar clamping ring (93)
Top.
5. the double back ofs the body of hand lifting according to claim 4 rectify appearance chair, it is characterised in that：The center of the elastic intermediate is set
There is central through hole, the central through hole periphery forms hemispheric notch (A2), and the periphery of the hemispheric notch (A2) is uniformly set
There are several recesses (A3), top, lower section and the left/right side of the hemispheric notch (A2) are respectively equipped with strip neck
(A1), two elastic intermediates assemble left chair back shell (61), right chair back shell (71) by strip neck (A1) respectively
In the recess of back；The end of the dome-type connecting rod (97) is provided with the half sphere shape structure to match with hemispheric notch (A2)；
The mounting groove corresponding with elastic intermediate is respectively equipped with front side of the left and right ends of the splayed configuration back of the body joint element for bar (9)；Two
Elastic intermediate is corresponded in the mounting groove of the left and right ends of splayed configuration back of the body joint element for bar (9) respectively, and passes through half respectively
Ball-type connecting rod (97) is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217115.5U CN207075764U (en) | 2017-02-27 | 2017-02-27 | A kind of double back ofs the body of hand lifting rectify appearance chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217115.5U CN207075764U (en) | 2017-02-27 | 2017-02-27 | A kind of double back ofs the body of hand lifting rectify appearance chair |
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| Publication Number | Publication Date |
|---|---|
| CN207075764U true CN207075764U (en) | 2018-03-09 |
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ID=61435992
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720217115.5U Active CN207075764U (en) | 2017-02-27 | 2017-02-27 | A kind of double back ofs the body of hand lifting rectify appearance chair |
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| CN (1) | CN207075764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363405A (en) * | 2018-10-26 | 2019-02-22 | 山东光明园迪儿童家具科技有限公司 | A kind of double backboard learning chairs of intelligent posture correction |
| CN113180408A (en) * | 2021-06-03 | 2021-07-30 | 山东光明园迪儿童家具科技有限公司 | Seat back lifting mechanism and learning chair |
-
2017
- 2017-02-27 CN CN201720217115.5U patent/CN207075764U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363405A (en) * | 2018-10-26 | 2019-02-22 | 山东光明园迪儿童家具科技有限公司 | A kind of double backboard learning chairs of intelligent posture correction |
| CN109363405B (en) * | 2018-10-26 | 2024-05-17 | 山东光明园迪儿童家具科技有限公司 | Intelligent posture correction double-backboard learning chair |
| CN113180408A (en) * | 2021-06-03 | 2021-07-30 | 山东光明园迪儿童家具科技有限公司 | Seat back lifting mechanism and learning chair |
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