CN212185856U

CN212185856U - Heating swivel chair with adjustable backrest angle

Info

Publication number: CN212185856U
Application number: CN201920310355.9U
Authority: CN
Inventors: 黄加旋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-12-22
Anticipated expiration: 2029-03-12

Abstract

The utility model discloses a heating swivel chair of back angularly adjustable, including heating pad, first fixed plate and second fixed plate, the lower extreme central point of first fixed plate puts fixed mounting and has the bracing piece, the bracing piece deviates from the lower extreme fixed mounting of first fixed plate has the five-jaw supporting seat, the lower extreme pentagon position of five-jaw supporting seat rotates and installs universal gyro wheel, the fixed sleeve pipe that has cup jointed in the center outer end of five-jaw supporting seat, the both sides end fixed mounting of first fixed plate has the handrail, the second fixed plate passes through angle adjustment mechanism and rotates the back side of installing at first fixed plate. The utility model discloses a set up first fixed plate, second fixed plate, first telescopic link, angle adjustment mechanism, second telescopic link, first knob and screw thread post, the back of having solved the heating swivel chair can't come the extension distance and the inclination's of nimble regulation back and headrest according to user's height, position of sitting problem.

Description

Heating swivel chair with adjustable backrest angle

Technical Field

The utility model relates to a swivel chair technical field specifically is a heating swivel chair of back angularly adjustable.

Background

The chair is a seat with a backrest and armrests, and with the continuous progress of social development, the chair at the present stage has a plurality of types and functions, wherein the swivel chair can be horizontally rotated usually, the height of the swivel chair can be adjusted up and down, and the swivel chair is greatly favored by office workers. The utility model particularly relates to a heating swivel chair with an adjustable backrest angle.

However, the prior art has the following defects:

1. the extension distance of the backrest and the headrest cannot be freely adjusted, and the backrest and the headrest cannot be flexibly adjusted according to the height of a user, so that the backrest and the headrest are very inconvenient;

2. the inclination angle of the backrest can not be flexibly adjusted according to the sitting posture and the gravity center position of a user.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a back angularly adjustable heating swivel chair has solved the back of heating swivel chair and can't come the extension distance and the inclination's of nimble regulation back and headrest according to user's height, position of sitting problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a back angularly adjustable heating swivel chair, includes heating pad, first fixed plate and second fixed plate, the lower extreme central point of first fixed plate puts fixed mounting has the bracing piece, the bracing piece deviates from the lower extreme fixed mounting of first fixed plate has the five-jaw supporting seat, the lower extreme pentagon position of five-jaw supporting seat rotates and installs universal gyro wheel, the fixed cover of the central outer end of five-jaw supporting seat has connect fixed sleeve, the both sides fixed mounting of first fixed plate has the handrail, the second fixed plate passes through angle adjusting mechanism and rotates the rear end of installing at first fixed plate, the both sides fixed mounting of second fixed plate has the guard plate, the upper end central point of second fixed plate puts the slip grafting and has the headrest, heating pad fixed mounting is at the up end of first fixed plate and second fixed plate.

Preferably, the model of heating pad is Xinke warm body pad D-150, the upper end central point of second fixed plate puts and sets up flutedly, the lower extreme fixed mounting of headrest has first telescopic link, recess and first telescopic link looks adaptation, the first knob is installed through screw thread post spiral to the upper side rear end of second fixed plate.

Preferably, the angle adjusting mechanism comprises a placement groove, a first gear, a first connecting column, a second gear, a rotating bearing, a clamping block, a second knob, a threaded sleeve, a clamping groove, a fixing sleeve, a third fixing plate and a groove, the third fixing plate is fixedly arranged at the central position of the angle adjusting mechanism, the groove is arranged at the central position of the upper end of the third fixing plate, the placement groove is arranged at the lower end of the front part of the third fixing plate, the first connecting column is rotatably arranged at the inner side end of the placement groove, the first gear is fixedly arranged at the two side ends of the first connecting column, the rotating bearing is rotatably arranged at the two side ends of the lower side of the third fixing plate through the first gear, the fixing sleeve is fixedly arranged at the outer side end of the rotating bearing, the clamping groove is arranged at the two inner side ends of the fixing sleeve, and the second knob is sleeved at the outer, clamping blocks are fixedly installed at two side ends of the threaded sleeve, and the second connecting column is meshed with the front side end of the first gear through second gears at two side ends.

Preferably, the radius of the threaded sleeve is smaller than that of the fixed sleeve, the radius of the threaded sleeve is larger than that of the rotary bearing, the clamping block is matched with the clamping groove, the rear side end of the inner wall of the threaded sleeve is provided with threads, the threaded sleeve is sleeved at the outer end of the rotary bearing through the front side end of the inner wall, and the threaded sleeve is spirally installed together with the external threads of the rotary bearing through the threads at the rear side end of the inner wall.

Preferably, a second telescopic rod is fixedly installed at the center of the lower end of the second fixing plate, the second fixing plate is inserted into the inner end of the groove in a sliding mode through the second telescopic rod, and a spiral bolt is installed at the upper end of the rear portion of the angle adjusting mechanism in a spiral mode.

Preferably, a placement groove is formed in the center of the rear end of the first fixing plate, a rotating bearing is fixedly mounted at the outer side end of the second gear, and the second connecting column and the second gear are rotatably mounted at the inner end of the placement groove through the rotating bearing.

Three beneficial effects

The utility model provides a back angularly adjustable heating swivel chair possesses following beneficial effect:

1. the utility model has the advantages that the utility model has the function of freely and flexibly adjusting the extending distance between the headrest and the backrest by arranging the first telescopic rod, the second telescopic rod, the first knob, the threaded post and the spiral bolt, thereby avoiding the inconvenience caused by the incapability of flexibly adjusting when the height of a user is too large or small, effectively solving the problem that the user can not flexibly adjust the extending distance between the backrest and the headrest according to the height, when the user needs to adjust according to the height, the user can rotate the threaded post by anticlockwise rotating the first knob, then the headrest can move up and down in the groove arranged at the central position at the upper end of the second fixed plate by utilizing the first telescopic rod, when the user reaches a proper position, the user can rotate the first knob clockwise to rotate the threaded post, thereby fixing the second fixed plate and the extending distance of the headrest, in the same way, the user can change the extending position relation of the second fixing plate and the angle adjusting mechanism by rotating the spiral bolt, utilizing the relative sliding of the second telescopic rod and the groove and then rotating the spiral bolt for fixing.

2. The utility model has the advantages that the utility model has the function of flexibly adjusting the inclination angle of the backrest by arranging the first fixing plate, the second fixing plate and the angle adjusting mechanism, avoids the uncomfortable condition of the user caused by the incapability of flexibly adjusting when the sitting posture and the center position of the user are changed, thereby effectively solving the problem that the inclination angle of the backrest can not be flexibly adjusted by matching the sitting posture and the center position of the user, when the user needs to adjust according to the sitting posture and the center position, the user can pull the second knob to take out the fixture block from the clamping groove by utilizing the relative sliding relation between the front side end of the inner wall of the threaded sleeve and the rotating bearing, and then the first gear fixedly arranged at the two sides of the first connecting post and the second gear fixedly arranged at the two sides of the second connecting post are driven by the rotating bearing to rotate by pushing the second fixing plate at the inner end of the placing groove, because the rolling bearing of second gear outside end installation rotates and installs in the standing groove that first fixed plate rear end central point put and offer, so make first fixed plate and second fixed plate can change inclination wantonly, when reacing suitable position, the user can be through promoting the second knob, make the second knob cup joint in rolling bearing's outer end, the fixed block of fixture block is in rolling bearing's inner under the influence of fixed cover, utilize the screw thread and the rolling bearing external screw thread swivelling joint that the side was seted up behind the thread bush inner wall afterwards, thereby realize the fixed work of first fixed plate and the arbitrary inclination of second fixed plate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall rear view structure of the present invention;

fig. 3 is the schematic view of the angle adjusting mechanism of the present invention.

In the figure: 1. a heating pad; 2. a first fixing plate; 3. a support bar; 4. a five-claw supporting seat; 5. a universal roller; 6. fixing the sleeve; 7. a handrail; 8. a protection plate; 9. a second fixing plate; 10. a headrest; 11. a first telescopic rod; 12. an angle adjusting mechanism; 13. a second telescopic rod; 14. a first knob; 15. a threaded post; 16. a placement groove; 17. a first gear; 18. a first connecting column; 19. a second connecting column; 20. a second gear; 21. a rotating bearing; 22. a clamping block; 23. a second knob; 24. a threaded sleeve; 25. a card slot; 26. fixing a sleeve; 27. a third fixing plate; 28. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a heating swivel chair with an adjustable backrest angle comprises a heating cushion 1, a first fixing plate 2 and a second fixing plate 9, wherein a supporting rod 3 is fixedly installed at the center position of the lower end of the first fixing plate 2, supporting work of the heating swivel chair can be realized by installing the supporting rod 3, a five-claw supporting seat 4 is fixedly installed at the lower end of the supporting rod 3, which is far away from the first fixing plate 2, a universal roller 5 is rotatably installed at the five-angle position of the lower end of the five-claw supporting seat 4, free movement of the heating swivel chair can be realized by installing the universal roller 5, a fixing sleeve 6 is fixedly sleeved at the outer center end of the five-claw supporting seat 4, supporting capacity of the heating swivel chair can be enhanced and consolidated by installing the five-claw supporting seat 4 and the fixing sleeve 6, handrails 7 are fixedly installed at the two side ends of the first fixing plate 2, and the second fixing plate 9 is rotatably, the angle adjusting mechanism 12 comprises a placing groove 16, a first gear 17, a first connecting column 18, a second connecting column 19, a second gear 20, a rotating bearing 21, a clamping block 22, a second knob 23, a threaded sleeve 24, a clamping groove 25, a fixing sleeve 26, a third fixing plate 27 and a groove 28, wherein the third fixing plate 27 is fixedly arranged at the central position of the angle adjusting mechanism 12, the groove 28 is arranged at the central position of the upper end of the third fixing plate 27, the placing groove 16 is arranged at the lower end of the front part of the third fixing plate 27, the first connecting column 18 is rotatably arranged at the inner side end of the placing groove 16, the first gear 17 is fixedly arranged at the two side ends of the first connecting column 18, the rotating bearing 21 is rotatably arranged at the two ends of the lower side of the third fixing plate 27 through the first gear 17, the fixing sleeve 26 is fixedly arranged at the outer side end of the rotating bearing 21, the clamping groove 25 is arranged at the two inner side ends of the fixing sleeve 26, the second, clamping blocks 22 are fixedly installed at two side ends of a threaded sleeve 24, a second connecting column 19 is meshed at the front side end of a first gear 17 through second gears 20 at the two side ends, a placing groove is formed in the center position of the rear end of a first fixing plate 2, a rotating bearing is fixedly installed at the outer side end of the second gear 20, the second connecting column 19 and the second gear 20 are rotatably installed at the inner end of the placing groove 16 through the rotating bearing, the radius of the threaded sleeve 24 is smaller than that of a fixing sleeve 26, the radius of the threaded sleeve 24 is larger than that of the rotating bearing 21, the clamping blocks 22 are matched with clamping grooves 25, threads are formed at the rear side end of the inner wall of the threaded sleeve 24, the threaded sleeve 24 is sleeved at the outer end of the rotating bearing 21 through the front side end of the inner wall, the threaded sleeve 24 is spirally installed with external threads of the rotating bearing 21 through the threads at the rear side end of the inner wall, protection plates 8 are fixedly, the second fixing plate 9 is inserted into the inner end of the groove 28 in a sliding manner through the second telescopic rod 13, the screw bolt is spirally installed at the upper end of the rear part of the angle adjusting mechanism 12, the groove 28 is formed in the central position of the upper end of the second fixing plate 9, when a user needs to adjust the central position according to a sitting posture, the user can take the fixture block 22 out of the clamping groove 25 by pulling the second knob 23 and utilizing the relative sliding relationship between the front side end of the inner wall of the threaded sleeve 24 and the rotating bearing 21, then the first gear 17 fixedly installed at the two sides of the first connecting column 18 and the second gear 20 fixedly installed at the two sides of the second connecting column 19 are driven by the rotating bearing 21 to rotate at the inner end of the placing groove 16 by pushing the second fixing plate 9, and the rotating bearing installed at the outer side end of the second gear 20 is rotatably installed in the placing groove 16 formed in the central position of the rear, therefore, the inclination angles of the first fixing plate 2 and the second fixing plate 9 can be changed at will, when the chair reaches a proper position, a user can push the second knob 23 to make the second knob 23 be sleeved on the outer end of the rotating bearing 21, the fixture block 22 is fixedly clamped at the inner end of the rotating bearing 21 under the influence of the fixing sleeve 26, and then the screw thread arranged at the rear side end of the inner wall of the threaded sleeve 24 is rotationally fixed with the external screw thread of the rotating bearing 21, so that the fixing work of any inclination angle of the first fixing plate 2 and the second fixing plate 9 is realized, the utility model has the function of flexibly adjusting the inclination angle of the backrest, the discomfort of the user caused by the incapability of flexibly adjusting when the sitting posture and the gravity center position of the user are changed is avoided, and the problem that the inclination angle of the backrest can not be flexibly adjusted by, the headrest 10 is inserted in the upper end center position of the second fixing plate 9 in a sliding mode, a first telescopic rod 11 is fixedly mounted at the lower end of the headrest 10, a groove 28 is matched with the first telescopic rod 11, a first knob 14 is spirally mounted at the rear end of the upper side of the second fixing plate 9 through a threaded column 15, when a user needs to adjust according to height, the user can rotate the threaded column 15 through rotating the first knob 14 anticlockwise, then the headrest 10 can move up and down in the groove 28 formed in the upper end center position of the second fixing plate 9 through the first telescopic rod 11, when the user reaches a proper position, the user can rotate the threaded column 15 through rotating the first knob 14 clockwise, the extending distance between the second fixing plate 9 and the headrest 10 is fixed, the user can rotate a spiral bolt through rotating the same reason, relative sliding between the second telescopic rod 13 and the groove 28 is utilized, and then the spiral bolt is rotated to fix the extending positions of the second fixing plate 9 and the angle adjusting mechanism 12 to be changed Put the relation, make the utility model discloses the function of free nimble adjustment headrest 10 and back extension distance has been had, avoided when user's height too big or short hour, the unable nimble condition that causes inconvenience of adjusting, thereby the effectual user of having solved can't come nimble problem of adjusting back and headrest extension distance according to the height, 1 fixed mounting of heating pad is at the up end of first fixed plate 2 and second fixed plate 9, the model of heating pad 1 is the warm body pad D-150 of department, belong to prior art, through carrying out the connection of electric lines with heating pad 1 and external power source, can realize heating swivel chair's heating, the heat supply function.

When in use, the utility model can realize the free movement of the heating swivel chair by installing the universal idler wheel 5, can realize the supporting work of the heating swivel chair by installing the supporting rod 3, can strengthen and consolidate the supporting capability of the heating swivel chair by installing the five-claw supporting seat 4 and the fixing sleeve 6, can realize the heating and heat supplying functions of the heating swivel chair by installing the heating cushion 1, the model of the heating cushion 1 is the Xinke warm cushion D-150, when the user needs to adjust according to the height, the user can rotate the threaded post 15 by anticlockwise rotating the first knob 14, then the headrest 10 can move up and down in the groove 28 arranged at the central position at the upper end of the second fixing plate 9 by utilizing the first telescopic rod 11, when reaching the proper position, the user can rotate the threaded post 15 by clockwise rotating the first knob 14, thereby fixing the extending distance between the second fixing plate 9 and the headrest 10, and similarly, the user can change the extending position relationship between the second fixing plate 9 and the angle adjusting mechanism 12 by rotating the screw bolt through the relative sliding between the second telescopic rod 13 and the groove 28, and then rotating the screw bolt to fix, when the user needs to adjust the center position according to the sitting posture, the user can take the fixture block 22 out of the slot 25 by pulling the second knob 23 through the relative sliding relationship between the front side end of the inner wall of the threaded sleeve 24 and the rotating bearing 21, and then push the second fixing plate 9, under the driving of the rotating bearing 21, the inner end of the placement groove 16 makes the first gear 17 fixedly installed at the two sides of the first connecting post 18 and the second gear 20 fixedly installed at the two sides of the second connecting post 19 rotate, because the rotating bearing installed at the outer side end of the second gear 20 is rotatably installed in the placement groove opened at the center position of the rear side end of the first fixing plate 2, therefore, the inclination angles of the first fixing plate 2 and the second fixing plate 9 can be changed at will, when the first fixing plate reaches a proper position, a user can push the second knob 23, the second knob 23 is sleeved on the outer end of the rotating bearing 21, the fixture block 22 is fixedly clamped at the inner end of the rotating bearing 21 under the influence of the fixing sleeve 26, and then the threads formed at the rear side end of the inner wall of the threaded sleeve 24 are rotationally fixed with the external threads of the rotating bearing 21, so that the fixing work of the first fixing plate 2 and the second fixing plate 9 at any inclination angles is realized.

To sum up, the utility model discloses a set up first fixed plate 2, second fixed plate 9, first telescopic link 11, angle adjustment mechanism 12, second telescopic link 13, first knob 14 and screw post 15, the back of having solved the heating swivel chair can't come the extension distance and the inclination's of nimble regulation back and headrest according to user's height, position of sitting problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a back angularly adjustable heating swivel chair, includes heating pad (1), first fixed plate (2) and second fixed plate (9), its characterized in that: a support rod (3) is fixedly arranged at the center of the lower end of the first fixing plate (2), the lower end of the support rod (3) departing from the first fixing plate (2) is fixedly provided with a five-claw support seat (4), a universal roller (5) is rotatably arranged at the lower end pentagon position of the five-claw supporting seat (4), the outer end of the center of the five-claw supporting seat (4) is fixedly sleeved with a fixed sleeve (6), handrails (7) are fixedly arranged at the two sides of the first fixing plate (2), the second fixing plate (9) is rotatably arranged at the rear side end of the first fixing plate (2) through an angle adjusting mechanism (12), protective plates (8) are fixedly arranged at two sides of the second fixing plate (9), the center of the upper end of the second fixing plate (9) is inserted with a headrest (10) in a sliding way, the heating pad (1) is fixedly arranged on the upper end surfaces of the first fixing plate (2) and the second fixing plate (9).

2. A heating swivel chair with adjustable backrest angle, as claimed in claim 1, wherein: the model of heating pad (1) is Xinke warm body pad D-150, the upper end central point of second fixed plate (9) puts and sets up fluted (28), the lower extreme fixed mounting of headrest (10) has first telescopic link (11), recess (28) and first telescopic link (11) looks adaptation, first knob (14) are installed through screw thread post (15) spiral to the upside rear end of second fixed plate (9).

3. A heating swivel chair with adjustable backrest angle, as claimed in claim 1, wherein: the angle adjusting mechanism (12) comprises a placing groove (16), a first gear (17), a first connecting column (18), a second connecting column (19), a second gear (20), a rotating bearing (21), a clamping block (22), a second knob (23), a threaded sleeve (24), a clamping groove (25), a fixing sleeve (26), a third fixing plate (27) and a groove (28), wherein the third fixing plate (27) is fixedly arranged at the central position of the angle adjusting mechanism (12), the groove (28) is arranged at the central position of the upper end of the third fixing plate (27), the placing groove (16) is arranged at the lower end of the front part of the third fixing plate (27), the first connecting column (18) is rotatably arranged at the inner side end of the placing groove (16), the first gear (17) is fixedly arranged at two side ends of the first connecting column (18), and the rotating bearing (21) is rotatably arranged at two lower side ends of the third fixing plate (27) through the first gear (17), fixed cover (26) fixed mounting is at the outside end of rolling bearing (21), draw-in groove (25) are seted up at the inboard both ends of fixed cover (26), second knob (23) cup joint the outer end at rolling bearing (21) through thread bush (24), the both sides fixed mounting of thread bush (24) has fixture block (22), second spliced pole (19) are through the preceding side of second gear (20) meshing at first gear (17) of both sides end.

4. A heating swivel chair with adjustable backrest angle as claimed in claim 3, wherein: the radius of thread bush (24) is less than the radius of fixed cover (26), the radius of thread bush (24) is greater than the radius of rolling bearing (21), fixture block (22) and draw-in groove (25) looks adaptation, the side has seted up the screw thread behind the inner wall of thread bush (24), thread bush (24) cup joint the outer end at rolling bearing (21) through the preceding side of inner wall, thread bush (24) are in the same place through the screw thread of inner wall rear end and the external screw thread spiral mounting of rolling bearing (21).

5. A heating swivel chair with adjustable backrest angle as claimed in claim 1 or claim 3, wherein: a second telescopic rod (13) is fixedly installed at the center of the lower end of the second fixing plate (9), the second fixing plate (9) is inserted into the inner end of the groove (28) in a sliding mode through the second telescopic rod (13), and a spiral bolt is installed at the upper end of the rear portion of the angle adjusting mechanism (12) in a spiral mode.

6. A heating swivel chair with adjustable backrest angle as claimed in claim 3, wherein: a placement groove (16) is formed in the center of the rear end of the first fixing plate (2), a rotating bearing (21) is fixedly mounted at the outer side end of the second gear (20), and the second connecting column (19) and the second gear (20) are rotatably mounted at the inner end of the placement groove (16) through the rotating bearing (21).