CN209073855U - A kind of adjustable office chair of chair back-rest inclination - Google Patents
A kind of adjustable office chair of chair back-rest inclination Download PDFInfo
- Publication number
- CN209073855U CN209073855U CN201821382686.5U CN201821382686U CN209073855U CN 209073855 U CN209073855 U CN 209073855U CN 201821382686 U CN201821382686 U CN 201821382686U CN 209073855 U CN209073855 U CN 209073855U
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- chair back
- chair
- pull rod
- seat board
- groove
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Abstract
The utility model discloses a kind of adjustable office chairs of chair back-rest inclination, including supporting leg, the lower surface of the supporting leg is connected with pedestal by the first connector, the lower surface of the pedestal is uniformly provided with universal wheel, the mobility of the utility model is realized by pedestal and universal wheel, the chair back is set to rotate around the axis in groove by groove and shaft, to realize the adjusting of tilt angle between the chair back and seat board, fastening nut is fixed on supporting leg by circular connector, on fastening nut and pull rod side wall under the cooperation of thread groove, adjust horizontal position of the fastening nut on pull rod, as fastening nut is located at moving to right for relative position on pull rod, change the rotational angle of the chair back under the action of horizontal position that pull rod generates is mobile, it is rotatablely connected between first connecting rod and the chair back and pull rod, it can be real by rotating connector Rotation between existing connecting rod and the chair back, to realize the adjusting of tilt angle between the chair back and seat board.
Description
Technical field
The utility model relates to office chair technical field, specific field is a kind of adjustable office chair of chair back-rest inclination.
Background technique
Office chair is broadly referred to all chairs for office, including office worker's chair, conference chair, visitor's chair and training
Chair, refers to the chair sat when people carries out desktop work under sitting posture state in the narrow sense, however the chair back angle of existing office chair
Degree is set as fixed more, it is not possible to flexible modulation is carried out according to the needs of users, practicability is poor, for this purpose, it is proposed that
A kind of chair back-rest inclination adjustable office chair solves the above problems.
Utility model content
The purpose of this utility model is to provide a kind of adjustable office chairs of chair back-rest inclination, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of adjustable office chair of chair back-rest inclination,
Including supporting leg, the lower surface of the supporting leg is connected with pedestal by the first connector, and the lower surface of the pedestal is uniformly set
There is universal wheel, the upper surface of the supporting leg is connected with seat board by truncated cone-shaped connector, and the upper surface right part of the seat board is set
Fluted, the inside of the groove is fixedly connected with shaft, the chair back is rotatably connected in the shaft, the chair back is through described
Groove, the lower surface of the chair back are connected with one end of first connecting rod, the other end of the first connecting rod by rotating connector
It is rotatably connected to one end of pull rod, the side wall of the supporting leg, which runs through, is equipped with through slot, and the other end of the pull rod connects through through slot
It is connected to pulling block, the left surface of the pulling block is rotatably connected to hand draw ring, and the side wall of the pull rod is equipped with thread groove, the thread groove
On be threaded with fastening nut, the side wall left part integrated molding of the supporting leg is connected with circular connector, and the annular is even
The inner rotation of fitting connects the fastening nut, and the internal symmetry of the groove is equipped with auxiliary clamp mechanism, the additional lock
Tight mechanism includes truncated cone-shaped spring, and one end of the truncated cone-shaped spring is fixedly connected with the groove, the truncated cone-shaped spring it is another
One end is fixedly connected with link block, and the side wall of the link block is equipped with ball grooves, and the inner rotation of the ball grooves is connected with rolling
The side wall of pearl, the ball is connected with baffle by the second connector.
Preferably, the seat board and the chair back are coated with sponge cushion, before and after the upper surface of the seat board two
Side is equipped with handrail.
Preferably, the left plate top of the chair back is equipped with back pillow.
Preferably, the length of the pull rod is less than the length of the seat board.
Preferably, the fastening nut is coated with abrasionproof rubber pad.
Compared with prior art, the utility model has the beneficial effects that a kind of adjustable office chair of chair back-rest inclination, passes through
Supporting leg plays support fixed function to seat board, the mobility of the utility model is realized by pedestal and universal wheel, by recessed
Slot and shaft allow the chair back to rotate around the axis in groove, to realize the adjusting of tilt angle between the chair back and seat board, lead to
It crosses circular connector fastening nut is fixed on supporting leg, on fastening nut and pull rod side wall under the cooperation of thread groove, adjust
Horizontal position of the fastening nut on pull rod is saved, as fastening nut is located at moving to right for relative position on pull rod, in pull rod generation
Horizontal position it is mobile under the action of change the rotational angle of the chair back, be rotatablely connected between first connecting rod and the chair back and pull rod,
The rotation between connecting rod and the chair back may be implemented by rotating connector, to realize tilt angle between the chair back and seat board
It adjusts, it is possible thereby to carry out flexible modulation to the tilt angle of the chair back according to the needs of users, practicability is stronger, in addition, logical
Crossing auxiliary clamp mechanism can be with the fixed chair back of auxiliary clamp.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the schematic diagram of the section structure of the utility model；
Fig. 3 is the partial enlargement structural representation of A in Fig. 2.
In figure: 1- supporting leg, the first connector of 2-, 3- pedestal, 4- universal wheel, 5- truncated cone-shaped connector, 6- seat board, 7- are recessed
Slot, 8- shaft, the 9- chair back, 10- rotating connector, 11- first connecting rod, 12- pull rod, 13- through slot, 14- pulling block, 15- hand draw ring,
16- thread groove, 17- fastening nut, 18- auxiliary clamp mechanism, 1801- truncated cone-shaped spring, 1802- link block, 1803- ball
Slot, 1804- ball, 1805- baffle, 19- sponge cushion, 20- handrail, 21- back pillow, 22- circular connector.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of adjustable office chair of chair back-rest inclination, packet
Supporting leg 1 is included, support fixed function is played to seat board by supporting leg, the lower surface of the supporting leg passes through the first connector 2
It is connected with pedestal 3, the lower surface of the pedestal is uniformly provided with universal wheel 4, and the number of universal wheel is six, by pedestal and universal
Wheel realizes the mobility of the utility model, and the upper surface of the supporting leg is connected with seat board 6 by truncated cone-shaped connector 5, circle
The side that platform shape connector is relatively large in diameter is connected with seat board, increases the contact area between supporting leg and seat board, the seat board
Upper surface right part be equipped with groove 7, the inside of the groove is fixedly connected with shaft 8, is rotatably connected to the chair back in the shaft
9, the chair back runs through the groove, and the length of groove allows the chair back that certain tilt angle occurs, makes chair by groove and shaft
Back can rotate around the axis in groove, thus realize the adjusting of tilt angle between the chair back and seat board, the following table of the chair back
Face is connected with one end of first connecting rod 11 by rotating connector 10, is rotated by the other end of first connecting rod described in first connecting rod
It is connected with one end of pull rod 12, the rotation between connecting rod and the chair back, first connecting rod and chair may be implemented by rotating connector
It is rotatablely connected between back and pull rod, by rotatable connecting rod, changes under the action of the horizontal position that pull rod generates is mobile
The rotational angle of the chair back, to realize the adjusting of tilt angle between the chair back and seat board, the side wall of the supporting leg, which runs through, to be equipped with
The other end of through slot 13, the pull rod is connected with pulling block 14 through through slot, and the left surface of the pulling block is rotatably connected to hand draw ring
15, by pulling block and hand draw ring convenient for users to screwing fastening nut, the side wall of the pull rod is equipped with thread groove 16, the screw thread
Fastening nut 17 is threaded on slot, the side wall left part integrated molding of the supporting leg is connected with circular connector 22, described
The inner rotation of circular connector connects the fastening nut, and fastening nut is fixed on supporting leg by circular connector,
On fastening nut and pull rod side wall under the cooperation of thread groove, horizontal position of the fastening nut on pull rod is adjusted, with fastening
Nut is located at moving to right for relative position on pull rod, and the pulling force of left direction is generated to the chair back, so that the chair back rotates around the shaft,
Thus change the tilt angle between seat board and the chair back, the internal symmetry of the groove is equipped with auxiliary clamp mechanism 18, described auxiliary
Helping clamp system includes truncated cone-shaped spring 1801, and one end of the truncated cone-shaped spring is fixedly connected with the groove, the truncated cone-shaped
The other end of spring is fixedly connected with link block 1802, and the side wall of the link block is equipped with ball grooves 1803, the ball grooves
Inner rotation is connected with ball 1804, and the side wall of the ball is connected with baffle 1805 by the second connector, passes through additional lock
Tight mechanism can be close to the chair back, when chair back run-off the straight angle, ball with the auxiliary clamp chair back, the baffle of the interior left and right sides of groove
It can rotate in ball grooves under the action of the chair back, the truncated cone-shaped spring of corresponding side is in compressive state at the same time,
Baffle continues to be close to the chair back.
Specifically, the seat board and the chair back are coated with sponge cushion 19, before the upper surface of the seat board
Two sides are equipped with handrail 20 afterwards, and the comfort of the utility model is improved by sponge cushion and handrail.
Specifically, the left plate top of the chair back is equipped with back pillow 21, by back pillow be used for the cervical vertebra of user into
Row support, improves comfort.
Specifically, the length of the pull rod is less than the length of the seat board.
Specifically, the fastening nut is coated with abrasionproof rubber pad.
Working principle: the utility model provides a kind of adjustable office chair of chair back-rest inclination, when needing to adjust chair when use
When the tilt angle of back, user holds hand draw ring or pulling block on the other hand, and another hand rotates the fastening spiral shell on circular connector
Mother on fastening nut and pull rod side wall under the cooperation of thread groove, adjusts horizontal position of the fastening nut on pull rod, with tight
Gu nut is located at moving to right for relative position on pull rod, the pulling force of left direction is generated to the chair back, so that the chair back occurs turn around the shaft
It is dynamic, thus change the tilt angle between seat board and the chair back, the angle with the rotation of the chair back, between pull rod and first connecting rod
It changing correspondingly, when the chair back does not rotate, the baffle of the left and right sides is close to the chair back in groove, when chair back run-off the straight angle,
Ball can rotate in ball grooves under the action of the chair back, and the truncated cone-shaped spring of corresponding side is in compression shape at the same time
State, baffle continue to be close to the chair back, can be with the auxiliary clamp chair back by auxiliary clamp mechanism.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of adjustable office chair of chair back-rest inclination, including supporting leg (1), it is characterised in that: the following table of the supporting leg (1)
Face is connected with pedestal (3) by the first connector (2), and the lower surface of the pedestal (3) is uniformly provided with universal wheel (4), the branch
The upper surface of support leg (1) is connected with seat board (6) by truncated cone-shaped connector (5), and the upper surface right part of the seat board (6) is equipped with recessed
The inside of slot (7), the groove (7) is fixedly connected with shaft (8), is rotatably connected to the chair back (9) on the shaft (8), described
The chair back (9) runs through the groove (7), and the lower surface of the chair back (9) is connected with first connecting rod by rotating connector (10)
(11) one end, the other end of the first connecting rod (11) are rotatably connected to one end of pull rod (12), the side of the supporting leg (1)
Wall, which runs through, is equipped with through slot (13), and the other end of the pull rod (12) is connected with pulling block (14), the pulling block through through slot (13)
(14) left surface is rotatably connected to hand draw ring (15), and the side wall of the pull rod (12) is equipped with thread groove (16), the thread groove
(16) it is threaded on fastening nut (17), the side wall left part integrated molding of the supporting leg (1) is connected with circular connector
(22), the inner rotation of the circular connector (22) connects the fastening nut (17), and the internal symmetry of the groove (7) is set
Have auxiliary clamp mechanism (18), the auxiliary clamp mechanism (18) includes truncated cone-shaped spring (1801), the truncated cone-shaped spring
(1801) one end is fixedly connected the groove (7), and the other end of the truncated cone-shaped spring (1801) is fixedly connected with link block
(1802), the side wall of the link block (1802) is equipped with ball grooves (1803), and the inner rotation of the ball grooves (1803) connects
Have ball (1804), the side wall of the ball (1804) is connected with baffle (1805) by the second connector.
2. the adjustable office chair of a kind of chair back-rest inclination according to claim 1, it is characterised in that: the seat board (6) and
The chair back (9) is coated with sponge cushion (19), and the upper surface front and rear sides of the seat board (6) are equipped with handrail
(20)。
3. the adjustable office chair of a kind of chair back-rest inclination according to claim 1, it is characterised in that: the chair back (9)
Left plate top is equipped with back pillow (21).
4. the adjustable office chair of a kind of chair back-rest inclination according to claim 1, it is characterised in that: the pull rod (12)
Length is less than the length of the seat board (6).
5. the adjustable office chair of a kind of chair back-rest inclination according to claim 1, it is characterised in that: the fastening nut
(17) be coated with abrasionproof rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382686.5U CN209073855U (en) | 2018-08-27 | 2018-08-27 | A kind of adjustable office chair of chair back-rest inclination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382686.5U CN209073855U (en) | 2018-08-27 | 2018-08-27 | A kind of adjustable office chair of chair back-rest inclination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209073855U true CN209073855U (en) | 2019-07-09 |
Family
ID=67115186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821382686.5U Active CN209073855U (en) | 2018-08-27 | 2018-08-27 | A kind of adjustable office chair of chair back-rest inclination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209073855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114504209A (en) * | 2022-04-11 | 2022-05-17 | 浙江安吉荣艺家具有限公司 | Comfortable waist support mechanism |
-
2018
- 2018-08-27 CN CN201821382686.5U patent/CN209073855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114504209A (en) * | 2022-04-11 | 2022-05-17 | 浙江安吉荣艺家具有限公司 | Comfortable waist support mechanism |
| CN114504209B (en) * | 2022-04-11 | 2024-04-26 | 浙江安吉荣艺家具有限公司 | Comfortable waist rest mechanism |
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