CN213154898U

CN213154898U - High-bearing-capacity office chair framework structure with inclination angle adjustable function

Info

Publication number: CN213154898U
Application number: CN202022328054.4U
Authority: CN
Inventors: 张大兵; 刘成跃; 陈童
Original assignee: Jiangsu Aomeili Industrial Co ltd
Current assignee: Jiangsu Aomeili Industrial Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-05-11
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a high bearing capacity office chair skeleton texture with but incline angle modulation function, including the arm-chair skeleton, both ends bottom side all is provided with the arm-rest cover about the arm-rest skeleton, two the position that the inside of arm-rest cover corresponds the arm-chair skeleton all is provided with positioning gear, two positioning gear is close to the first frame of connecting of the equal fixedly connected with of one end of arm-rest skeleton, and the both ends of first connection skeleton run through the inside wall of arm-rest cover extend to the outside and with the arm-chair skeleton between fixed connection. The utility model discloses in, because be provided with first connection skeleton and second in the safety cover and be connected the skeleton, be favorable to jointly to carrying out stable being connected between arm-chair skeleton and the positioning gear fixed, be favorable to promoting the stability of positioning gear and arm-chair skeleton junction, be favorable to prolonging the holistic life of this skeleton, the device's elevation angle adjustment part's simple structure is convenient for carry out the change and the maintenance of part in addition.

Description

High-bearing-capacity office chair framework structure with inclination angle adjustable function

Technical Field

The utility model relates to an office chair technical field especially relates to high bearing capacity office chair skeleton texture with but incline and face upward angle adjusting function.

Background

Office chairs, english office chair, refer to various chairs that are equipped for convenient work in daily work and social activities, office mate divides office chairs into a narrow sense and a broad sense, the narrow office chair refers to a back rest chair on which a person sits when working on a table in a sitting posture, and the broad office chair refers to all chairs used in offices, including executive chairs, middle class chairs, guest chairs, employee chairs, conference chairs, visitor chairs, training chairs, and the like.

At present, the skeleton intensity of the rotation department of the current skeleton that possesses the angle of elevation regulation office chair is not enough, and the skeleton of rotation department is crooked very easily to lead to the angle of elevation regulation can not smooth and easy going on, the current skeleton texture that possesses the angle of elevation regulation office chair is too complicated simultaneously, is unfavorable for the maintenance in later stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-bearing office chair framework structure with the function of adjusting the inclination angle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-bearing capacity office chair framework structure with an inclination angle adjustable function comprises arm chair frameworks, wherein armrest covers are arranged on the bottom sides of the left end and the right end of each arm chair framework, positioning gears are arranged in the two armrest covers at positions corresponding to the positions of the arm chair frameworks, one ends of the two positioning gears, which are close to the arm chair frameworks, are fixedly connected with first connecting bone frames, the two ends of each first connecting bone frame penetrate through the inner side walls of the armrest covers to extend to the outer sides and are fixedly connected with the arm chair frameworks, a plurality of second connecting frameworks are uniformly arranged on the outer sides of the two first connecting frameworks, the two ends of each second connecting framework are respectively and fixedly connected with the arm chair frameworks and the positioning gears, upper support frames are arranged on the top sides of the two positioning gears, a plurality of first positioning tooth blocks are arranged on the bottom sides of the two upper support frames, and the first positioning tooth blocks are meshed with the positioning gears, the top ends of the two upper supporting frames are fixedly connected with first push rods, one ends of the two first push rods, far away from the positioning gears, are fixedly connected with push handles, the push handles are embedded and slidably connected with the armrest covers, the bottom sides of the two positioning gears are respectively provided with a lower supporting frame, the top sides of the two lower supporting frames are respectively provided with a plurality of second positioning tooth blocks, the second positioning tooth blocks are meshed and connected with the positioning gears, the bottom ends of the two lower supporting frames are respectively fixedly connected with second push rods, each two adjacent second push rods and the first push rods are jointly and rotatably connected with connecting rods, the middle positions of the connecting rods are rotatably connected with the inner walls of the armrest covers, the first sliding grooves and the second sliding grooves are respectively formed in the positions, corresponding to the first push rods and the second push rods, of the inner walls of the armrest covers, and the first push rods and the second push rods are respectively and slidably connected with the first sliding grooves and the second sliding, two the equal fixedly connected with first reset spring of one end that first spout is close to the positioning gear, and fixed connection between first reset spring and the first push rod, two the equal fixedly connected with second reset spring of one end that the positioning gear was kept away from to the second spout, and fixed connection between second reset spring and the second push rod.

As a further description of the above technical solution:

the outer surface of the arm-chair framework is provided with a back cushion.

As a further description of the above technical solution:

every a plurality of adjacent the common nestification in outside that the skeleton is connected to the second is provided with the safety cover, and the both ends of safety cover run through the inside wall that the handrail covered extend to the outside and with the arm-chair skeleton between fixed connection.

As a further description of the above technical solution:

and the two first connecting frames are respectively and fixedly connected with first connecting ribs together with the adjacent second connecting frames.

As a further description of the above technical solution:

every two adjacent second connect the common fixedly connected with second splice bar of skeleton.

As a further description of the above technical solution:

the inner bottom ends of the two push handles are fixedly connected with a third return spring together with the adjacent armrest covers.

The utility model discloses following beneficial effect has:

this high bearing capacity office chair skeleton texture with adjustable function of angle of heeling, because be provided with first connection skeleton and second in the safety cover and be connected the skeleton, be favorable to jointly to carrying out stable being connected between arm-chair skeleton and the positioning gear fixed, be favorable to promoting the stability of positioning gear and arm-chair skeleton junction, be favorable to prolonging the holistic life of this skeleton, the device's elevation angle adjustment part's simple structure is convenient for carry out the change and the maintenance of part in addition.

Drawings

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

fig. 2 is a schematic view of the internal structure of the protective cover of the present invention;

fig. 3 is a side view of the present invention.

Illustration of the drawings:

1. a chair framework; 2. back cushion; 3. a handrail cover; 4. positioning a gear; 5. a protective cover; 6. a first connecting skeleton; 7. a second connecting framework; 8. a first connecting rib; 9. a second connecting rib; 10. an upper support frame; 11. a first positioning tooth block; 12. a first push rod; 13. a first chute; 14. a lower support frame; 15. a second positioning tooth block; 16. a second push rod; 17. a second chute; 18. a first return spring; 19. a second return spring; 20. a connecting rod; 21. a pushing handle; 22. and a third return spring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a high-bearing capacity office chair framework structure with an inclination angle adjustable function comprises an arm chair framework 1, wherein armrest covers 3 are respectively arranged at the bottom sides of the left end and the right end of the arm chair framework 1, positioning gears 4 are respectively arranged at the positions, corresponding to the arm chair framework 1, inside the two armrest covers 3, one ends, close to the arm chair framework 1, of the two positioning gears 4 are respectively and fixedly connected with a first connecting framework 6, the two ends of the first connecting framework 6 penetrate through the inner side wall of the armrest covers 3 to extend to the outer side and are fixedly connected with the arm chair framework 1, a plurality of second connecting frameworks 7 are uniformly arranged at the outer sides of the two first connecting frameworks 6, the two ends of each second connecting framework 7 are respectively and fixedly connected with the arm chair framework 1 and the positioning gears 4, upper support frames 10 are respectively arranged at the top sides of the two positioning gears 4, a plurality of first positioning tooth blocks 11 are respectively arranged at the bottom sides of the two upper support frames 10, and the first positioning tooth blocks 11 are meshed with the positioning gears, the top ends of the two upper support frames 10 are fixedly connected with first push rods 12, one ends of the two first push rods 12, which are far away from the positioning gears 4, are fixedly connected with push handles 21, the push handles 21 are in sliding connection with the armrest cover 3 in an embedded mode, the bottom sides of the two positioning gears 4 are provided with lower support frames 14, the top sides of the two lower support frames 14 are provided with a plurality of second positioning tooth blocks 15, the second positioning tooth blocks 15 are in meshed connection with the positioning gears 4, the bottom ends of the two lower support frames 14 are fixedly connected with second push rods 16, each two adjacent second push rods 16 are in common rotating connection with the first push rods 12 and are provided with connecting rods 20, the middle positions of the connecting rods 20 are in rotating connection with the inner wall of the armrest cover 3, the positions, corresponding to the first push rods 12 and the second push rods 16, of the inner walls of the two armrest cover 3 are provided with first chutes 13 and second chutes 17, and the first push rods 12 and the second push rods 16, Sliding connection between second spout 17, the equal fixedly connected with first reset spring 18 of one end that two first spouts 13 are close to positioning gear 4, and fixed connection between first reset spring 18 and first push rod 12, the equal fixedly connected with second reset spring 19 of one end that two second spouts 17 are far away from positioning gear 4, and fixed connection between second reset spring 19 and second push rod 16.

The outer surface of the arm-chair framework 1 is provided with a back cushion 2, which is convenient for improving the comfort of users when leaning against.

The outside that skeleton 7 was connected to every a plurality of adjacent second is nested jointly and is provided with safety cover 5, and the both ends of safety cover 5 run through the inside wall of handrail cover 3 extend to the outside and with the arm-chair skeleton between 1 fixed connection, can avoid external object card to go into through safety cover 5 and connect between the skeleton 7, the rotation of arm-chair skeleton 1 between handrail cover 3 of also being convenient for simultaneously.

Two first connecting frames 6 are respectively fixedly connected with first connecting ribs 8 which are adjacent to the second connecting frames 7, so that the integrity between the first connecting frames 6 and the second connecting frames 7 is convenient to promote, and the first connecting frames 6 and the second connecting frames 7 are used for stably connecting and fixing the arm-chair framework 1 and the positioning gear 4.

The second connecting ribs 9 are fixedly connected with the two adjacent second connecting frameworks 7, so that the integrity between the second connecting frameworks 7 is convenient to promote, and the first connecting framework 6 and the second connecting framework 7 are connected and fixed stably between the arm-chair framework 1 and the positioning gear 4.

The inner bottom ends of the two pushing hands 21 are fixedly connected with the adjacent armrest covers 3 together by third return springs 22, so that the auxiliary pushing hands 21 can be conveniently and quickly reset.

The working principle is as follows: when the high-bearing office chair framework structure with the inclination angle adjustable function is used, firstly, the armrest cover 3 is installed on a base framework of an office chair for fixing, when the elevation angle of the arm chair framework 1 and the back cushion 2 needs to be adjusted, the first push rod 12 pushes the connecting rod 20 along the first sliding groove 13 by pushing the push handle 21 backwards at the same time, the second push rod 16 is driven to slide along the second sliding groove 17 towards one side far away from the positioning gear 4 by the rotation of the connecting rod 20, so that the first positioning tooth block 11 and the second positioning tooth block 15 are both separated from the positioning gear 4, the user can adjust the elevation angle of the back cushion 2 at will, after the angle adjustment is completed, the user loosens the push handle 21, and the first return spring 18, the second return spring 19 and the third return spring 22 are reset together, so that the first positioning tooth block 11 and the second positioning tooth block 15 are meshed with the positioning gear 4 again, thereby make arm-chair skeleton 1 receive spacingly, this part simple structure is convenient for carry out the change and the maintenance of part, because be provided with first connection bone frame 6 and second connection skeleton 7 in the safety cover 5, be favorable to jointly to carrying out stable being connected between arm-chair skeleton 1 and the positioning gear 4 fixed, be favorable to promoting the stability of positioning gear 4 and arm-chair skeleton 1 junction, be favorable to prolonging the holistic life of this skeleton.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. High bearing capacity office chair skeleton texture with but pitch angle adjusting function, including arm-chair skeleton (1), its characterized in that: the armrest frame comprises armrest frames (1), armrest covers (3) are arranged on the bottom sides of the left end and the right end of each armrest frame (1), positioning gears (4) are arranged on the positions, corresponding to the armrest frames (1), of the insides of the two armrest covers (3), a first connecting frame (6) is fixedly connected to one end, close to the armrest frames (1), of the two positioning gears (4), two ends of the first connecting frame (6) penetrate through the inner side wall of each armrest frame (3) to extend to the outer side and are fixedly connected with the armrest frames (1), a plurality of second connecting frames (7) are uniformly arranged on the outer sides of the two first connecting frames (6), two ends of each second connecting frame (7) are fixedly connected with the armrest frames (1) and the positioning gears (4) respectively, upper supporting frames (10) are arranged on the top sides of the two positioning gears (4), a plurality of first positioning tooth blocks (11) are arranged on the bottom sides of the two upper supporting frames (10), the first positioning tooth blocks (11) are meshed and connected with the positioning gears (4), the top ends of the two upper support frames (10) are fixedly connected with first push rods (12), one ends, far away from the positioning gears (4), of the two first push rods (12) are fixedly connected with pushers (21), the pushers (21) are in embedded sliding connection with the armrest cover (3), the bottom sides of the two positioning gears (4) are respectively provided with a lower support frame (14), the top sides of the two lower support frames (14) are respectively provided with a plurality of second positioning tooth blocks (15), the second positioning tooth blocks (15) are meshed and connected with the positioning gears (4), the bottom ends of the two lower support frames (14) are respectively fixedly connected with second push rods (16), every two adjacent second push rods (16) are jointly and rotatably connected with the first push rods (12) through connecting rods (20), and the middle positions of the connecting rods (20) are rotatably connected with the inner walls of the armrest cover (3), two first spout (13) and second spout (17) have all been seted up to the position that the inner wall of handrail cover (3) corresponds first push rod (12) and second push rod (16), and first push rod (12), second push rod (16) respectively with first spout (13), sliding connection between second spout (17), two the equal fixedly connected with first reset spring (18) of one end that first spout (13) are close to positioning gear (4), and fixed connection between first reset spring (18) and first push rod (12), two the equal fixedly connected with second reset spring (19) of one end that positioning gear (4) were kept away from in second spout (17), and fixed connection between second reset spring (19) and second push rod (16).

2. The high load bearing office chair frame structure with adjustable tilt angle function of claim 1, characterized in that: the outer surface of the arm-chair framework (1) is provided with a back cushion (2).

3. The high load bearing office chair frame structure with adjustable tilt angle function of claim 1, characterized in that: every a plurality of adjacent the outside of skeleton (7) is connected to the second is nested jointly and is provided with safety cover (5), and the both ends of safety cover (5) run through the inside wall of handrail cover (3) and extend to the outside and with chair skeleton (1) between fixed connection.

4. The high load bearing office chair frame structure with adjustable tilt angle function of claim 1, characterized in that: two first connection frameworks (6) are respectively connected with the first connecting ribs (8) of the adjacent second connection frameworks (7) in a fixed mode.

5. The high load bearing office chair frame structure with adjustable tilt angle function of claim 1, characterized in that: every two adjacent second connect the skeleton (7) common fixed connection have second splice bar (9).

6. The high load bearing office chair frame structure with adjustable tilt angle function of claim 1, characterized in that: the inner bottom ends of the two push handles (21) are fixedly connected with a third return spring (22) together with the adjacent armrest covers (3).