CN213429211U

CN213429211U - Office chair structure with adjustable cushion inclination angle

Info

Publication number: CN213429211U
Application number: CN201920301331.7U
Authority: CN
Inventors: 肖洁; 鲁雷
Original assignee: College Of Technology Hubei Engineering University
Current assignee: College Of Technology Hubei Engineering University
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2021-06-15
Anticipated expiration: 2029-03-11

Abstract

The utility model provides an office chair structure with adjustable cushion inclination angle, which is applied to the technical field of mechanical chairs, wherein the upper assembly rear part (7) of the upper assembly (5) of the seat cushion (1) of the office chair structure with adjustable cushion inclination angle is movably hinged with the lower assembly rear part (8) of the lower assembly (6), the cylinder body (10) of the telescopic cylinder (9) on the upper surface of the lower assembly rear part (8) is movably hinged with the cylinder mounting seat (11) on the upper surface of the lower assembly rear part (8), the adjusting part (12) is in a cylindrical structure, the side surface of the adjusting part (12) is fixedly connected with the front end of the telescopic rod (13) of the telescopic cylinder (9), the office chair structure with adjustable cushion inclination angle can conveniently and quickly adjust the cushion inclination angle, and the cushion is frequently adjusted to avoid the problem of seat damage, the maintenance frequency is reduced, and the requirements of health and comfort of people are met.

Description

Office chair structure with adjustable cushion inclination angle

Technical Field

The utility model belongs to the technical field of mechanical type seat, more specifically say, relate to an adjustable official working seat structure of cushion inclination.

Background

The office chair is one of office supplies which are widely used at present. The current office work has the problems that the office work time is long, the body is tired, and the requirements of people on body health and comfort are continuously improved. Therefore, office chairs in which the backrest inclination angle and the seat cushion inclination angle are angularly adjustable have appeared. However, the office chair in the prior art, in which the inclination angle of the backrest and the inclination angle of the seat cushion can be adjusted, is complex in structure, or is easy to damage after being used for a period of time, and has a short service life. Especially the latter problem, which seriously affects people's needs.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the adjustable office seat structure comprises a seat cushion, a seat cushion.

To solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model relates to an office chair structure with adjustable cushion inclination angle, which comprises a seat cushion, the lower surface of the seat cushion is connected with a seat base, a plurality of moving wheels are arranged at the bottom of the seat base, a seat backrest is arranged at the rear part of the seat cushion, the seat cushion comprises an upper cushion assembly and a lower cushion assembly, the rear part of the upper assembly of the upper cushion assembly is movably hinged with the rear part of the lower assembly of the lower cushion assembly, a telescopic cylinder is movably mounted on the upper surface of the rear part of the lower assembly, a cylinder body of the telescopic cylinder is movably hinged with a cylinder mounting seat on the upper surface of the rear part of the lower assembly, an adjusting part is in a cylindrical structure, the side surface of the adjusting part is fixedly connected with the front end of a telescopic rod of the telescopic cylinder, the adjusting part is clamped between the upper cushion assembly and the lower cushion assembly, the upper side, the adjusting part downside laminating subassembly upper surface under the cushion, telescopic cylinder is connected with the control part that can control telescopic cylinder is flexible, and the subassembly is anterior under the last subassembly of subassembly and the cushion on the cushion subassembly is anterior to be connected through spacing spring.

The seat base include base support column, base removal frame, a plurality of removal wheels of base removal shelf location, the cylindric spacing collar of subassembly lower surface mounting under the cushion of seat cushion, the suit is in the spacing collar on the base support column, base support column upper end terminal surface sets up a plurality of pit portions, a ball is placed in every pit portion internalization, the ball upside top leans on subassembly lower surface under the cushion, set up the bearing between spacing collar and the base support column, the backrest lower extreme is connected with last subassembly rear portion.

The base support column include support column body and extension post, extend the post setting at support column body upper end terminal surface, the support column body and the extension post formula structure as an organic whole of base support column, the extension post upper end terminal surface sets up a plurality of pit portions, a ball is placed to every pit portion internalization, the subassembly lower surface under the cushion is leaned on in the ball upside top.

The base support column body and extension column joint portion form boss portion, bearing movable sleeve dress is on extending the column, the bearing suit is when extending the column, the terminal surface supports on the boss face of boss portion under the bearing, the laminating of bearing outer lane is at the spacing collar medial surface.

The base remove the frame including removing a body and dividing branch pole, remove a body side and set up a plurality of branch poles of arranging according to equiangular gap along removing a body side a week, every divides branch pole all to set up the arc structure of buckling downwards, removes the wheel of every branch pole lower extreme installation.

The seat cushion of seat cushion on the subassembly left side set up one and be the handrail portion that falls T font structure, the seat cushion of seat cushion on the subassembly right side set up one and be the handrail portion that falls T font structure.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

cushion inclination adjustable office chair structure, because last subassembly rear portion and lower subassembly rear portion activity hinged joint, like this, subassembly and cushion can open between the subassembly and fold down on the cushion, realize the position change. And the cushion lower assembly is connected with the seat base, is in a horizontal state and is fixed in position, so that the problem of inclination angle change is avoided. When needs adjust cushion inclination, operating personnel presses the adjustment button on the control unit, when needs seat cushion is faced backward (subassembly height the same state in front rear portion changes to subassembly front portion height state on the cushion promptly), the telescopic link shrink through control unit control telescopic cylinder, the telescopic link shrink drives adjusting part and removes to being close to cylinder body direction, at this moment, the adjusting part application of force is between subassembly and cushion under the subassembly on the cushion, make subassembly and cushion under the subassembly open on the cushion, and because subassembly can not change position and angle under the cushion, and go up subassembly rear portion and lower subassembly rear portion activity hinged joint, and thus, just can only take place the subassembly front portion upwards lifts up on the cushion, make subassembly realization face backward on the cushion, accomplish seat cushion face upward and adjust. And when the seat needs to lean forward (namely the front part of the assembly is higher than the rear part of the assembly on the cushion and the rear part of the assembly is in the same height state change) the telescopic rod of the telescopic cylinder is controlled by the control part to stretch out, the telescopic rod stretches out to drive the adjusting part to move away from the cylinder body, at the same time, the position of the adjusting part is changed, the assembly is folded up under the assembly and the cushion on the seat, the front part of the assembly is close to the rear part of the assembly under the cushion on the cushion, and the position and the angle of the assembly can not be changed under the cushion, and the rear part of the assembly is movably hinged with the rear part of the assembly, so that only the front part of the assembly moves down on the cushion can happen, the assembly on the cushion realizes. And the setting of spacing spring for spacing spring exerts pulling force at last subassembly front portion position constantly, and like this, subassembly is in the forward dip regulation and the back adjustment in-process on the cushion, and the subassembly all can receive the restraint of decurrent power on the cushion, can not break away from with the cushion under the subassembly be connected, like this, makes the state after the cushion is adjusted reliably keep, satisfies the seat travelling comfort requirement leisurely. More importantly, the utility model discloses a structure, even if frequently adjust, relevant part also can not take place to damage easily, effectively avoids the easy problem of damaging of office chair regulatory function among the prior art. Therefore, the cost of the seat is effectively reduced, and the use convenience is improved. Cushion inclination adjustable official working seat structure, simple structure can convenient and fast adjust cushion inclination, the cushion frequently carries out inclination and adjusts and be difficult to the seat damage problem that appears, effectively reduces the maintenance frequency, improves life, satisfies people's health and travelling comfort requirement.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic structural view of an office chair structure with an adjustable cushion inclination angle according to the present invention;

in the drawings, the reference numbers are respectively: 1. a seat cushion; 2. a seat base; 3. a moving wheel; 4. a seat back; 5. a cushion upper assembly; 6. a cushion lower assembly; 7. an upper assembly rear portion; 8. a lower assembly rear; 9. a telescopic cylinder; 10. a cylinder body; 11. a cylinder mounting seat; 12. an adjustment member; 13. a telescopic rod; 14. a control component; 15. a base support column; 16. a base moving frame; 17. a limiting ring; 18. a pit portion; 19. a ball bearing; 20. a bearing; 21. a support post body; 22. extending the column; 23. a boss portion; 24. a movable rack body; 25. branch rods are arranged; 26. an armrest portion; 27. an upper assembly front; 28. a lower assembly front; 29. and a limiting spring.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:

as shown in the attached figure 1, the utility model relates to an office chair structure with adjustable cushion inclination angle, which comprises a chair cushion 1, the lower surface of the chair cushion 1 is connected with a chair base 2, a plurality of moving wheels 3 are arranged at the bottom of the chair base 2, a chair backrest 4 is arranged at the rear part of the chair cushion 1, the chair cushion 1 comprises an upper cushion component 5 and a lower cushion component 6, the rear part 7 of the upper cushion component 5 is movably hinged with the rear part 8 of the lower cushion component 6, a telescopic cylinder 9 is movably arranged on the upper surface of the rear part 8 of the lower component, a cylinder body 10 of the telescopic cylinder 9 is movably hinged with a cylinder mounting seat 11 on the upper surface of the rear part 8 of the lower component, an adjusting component 12 is a cylindrical structure, the side surface of the adjusting component 12 is fixedly connected with the front end of a telescopic rod 13 of the telescopic cylinder 9, the adjusting component 12 is clamped between the upper cushion component 5 and the lower cushion component, the upper side of the adjusting component 12 is attached to the lower surface of the upper assembly 5 of the seat cushion, the lower side of the adjusting component 12 is attached to the upper surface of the lower assembly 6 of the seat cushion, the telescopic cylinder 9 is connected with the control component 14 capable of controlling the telescopic cylinder 9 to stretch, and the front part 27 of the upper assembly 5 of the seat cushion is connected with the front part 28 of the lower assembly 6 of the seat cushion through a limiting spring 29. In the structure, the upper assembly rear part 7 and the lower assembly rear part 8 are movably hinged, so that the upper cushion assembly 5 and the lower cushion assembly 6 can be opened and closed to realize position change. And the cushion lower assembly is connected with the seat base 2, is in a horizontal state, is fixed in position and does not have the problem of inclination angle change. When needs adjust cushion inclination, operating personnel presses the adjustment button on the control unit, when needs seat cushion is faced backward (from the anterior rear portion of subassembly height same state to the anterior high state change that is higher than the rear portion of subassembly on the cushion promptly), the telescopic link shrink through control unit control telescopic cylinder, the telescopic link shrink drives the adjusting part and removes to being close to cylinder body direction, at this moment, the adjusting part application of force is between subassembly and cushion under the subassembly on the cushion, make subassembly and cushion under the subassembly open on the cushion, and because subassembly can not change position and angle under the cushion, and go up subassembly

rear portion

7 and 8 movable hinge joint in subassembly rear portion down, so, just can only take place the subassembly front portion upwards lifts up on the cushion, make subassembly realization is faced backward on the cushion, accomplish seat cushion and is faced backward to adjust. And when the seat needs to lean forward (namely the front part of the assembly is higher than the rear part of the assembly and the rear part of the assembly is in the same height state change on the seat), the telescopic rod of the telescopic cylinder is controlled by the control part to stretch out, the telescopic rod stretches out to drive the adjusting part to move in the direction far away from the cylinder body, at the same time, the position of the adjusting part is changed, the assembly is folded under the seat cushion and the assembly, the front part of the assembly is close to the rear part of the assembly under the seat cushion, the position and the angle of the assembly cannot be changed under the seat cushion, and the rear part 7 of the assembly is movably hinged with the rear part 8 of the assembly, so that the front part of the assembly moves downwards only when the seat cushion is needed, the assembly on the seat cushion is. And the setting of spacing spring for spacing spring exerts pulling force at last subassembly front portion position constantly, and like this, subassembly is in the forward dip regulation and the back adjustment in-process on the cushion, and the subassembly all can receive the restraint of decurrent power on the cushion, can not break away from with the cushion under the subassembly be connected, like this, makes the state after the cushion is adjusted reliably keep, satisfies the seat travelling comfort requirement leisurely. More importantly, the utility model discloses a structure, even if frequently adjust, relevant part also can not take place to damage easily, effectively avoids the easy problem of damaging of office chair regulatory function among the prior art. Therefore, the cost of the seat is effectively reduced, and the use convenience is improved. Cushion inclination adjustable official working seat structure, simple structure can convenient and fast adjust cushion inclination to the cushion frequently carries out inclination and adjusts and be difficult to the seat damage problem that appears, effectively reduces the maintenance frequency, improves life, satisfies people's health and travelling comfort requirement. The utility model discloses an among the adjustable official working seat structure of cushion inclination, control unit and flexible part are all the mature technique among the prior art, as long as can realize flexible part can both direct application. However, the present invention can be applied to any control member that can control the expansion and contraction of the expansion and contraction member.

Seat base 2 include base support column 15, base removal frame 16, a plurality of removal wheels 3 of installation on base removal frame 16, the cylindric spacing collar of 6 lower surface mounting of subassembly under seat cushion 1's the cushion 17, the suit is in spacing collar 17 in 15 upper ends of base support column, 15 up end of base support column sets up a plurality of pit portion 18, a ball 19 is placed in 18 internalization of every pit portion, 19 upside tops of ball lean on 6 lower surfaces of subassembly under the cushion, set up bearing 20 between spacing collar 17 and the base support column 15, 4 lower extremes of backrest are connected with last subassembly rear portion 7. According to the structure, the seat can be moved on the ground at will by moving the wheels. And the spacing collar is matched with the base support column to realize connection and spacing between the spacing collar and the base support column. Also, the seat cushion may rotate relative to the base support posts. And the cooperation of pit portion and ball realizes the support of base support column to the vertical direction of cushion seat bottom, and both pass through the ball contact, when the seat cushion frequently rotates or the bearing, can effectively reduce the friction, reduce wear, improve life-span. And sealing parts are arranged between the front part and the side part of the upper cushion component 5 and the front part and the side part of the lower cushion component 6, and the sealing parts are made of plastic materials with fold structures, so that the parts between the upper cushion component and the lower cushion component are prevented from being exposed outside, and the sealing and isolating effects are achieved.

Base support column 15 include support column body 21 and extension post 22, extend the post 22 setting at support column body 21 upper end terminal surface, base support column 15's support column body 21 and extension post 22 formula structure as an organic whole, extend post 22 upper end terminal surface and set up a plurality of pit portions 18, a ball 19 is placed in the activity in every

pit portion

18, 19 upside tops of ball lean on subassembly 6 lower surfaces under the cushion. The base support column 15 support column body 21 and extension post 22 joint portion form boss portion 23, bearing 20 activity suit is on extension post 22, when bearing 20 suit was in extension post 22, the terminal surface supported on the boss face of boss portion 23 under bearing 20, bearing 20 outer lane laminating was at spacing collar 17 medial surface. Above-mentioned structure, through setting up the bearing on the extension, the terminal surface can support on the boss mesa under the bearing, realizes vertical direction spacing, ensures that the bearing reliably sets up between extension post and spacing collar medial surface, ensures both swing joint.

The base moving frame 16 comprises a moving frame body 24 and branch rods 25, a plurality of branch rods 25 which are arranged at equal angular intervals are arranged on the side surface of the moving frame body 24 along the side surface of the moving frame body 24 in a circle, each branch rod 25 is of an arc structure which is bent downwards, and one moving wheel 3 is installed at the lower end of each branch rod 25. Above-mentioned structure, branch pole set up more than three, realize the steady support to base removal frame, and when the person of facilitating the use used the seat, the seat can not take place to empty.

The seat cushion of seat cushion 1 on subassembly 5 left side set up one and be the handrail portion 26 of falling T font structure, the seat cushion of seat cushion 1 on subassembly 5 right side set up one and be the handrail portion 26 of falling T font structure. Above-mentioned structure, handrail portion person of facilitating the use supports, improves the convenience.

cushion inclination adjustable office chair structure, because last subassembly rear portion and lower subassembly rear portion activity hinged joint, like this, subassembly and cushion can open between the subassembly and fold down on the cushion, realize the position change. And the cushion lower assembly is connected with the seat base, is in a horizontal state and is fixed in position, so that the problem of inclination angle change is avoided. When needs adjust cushion inclination, operating personnel presses the adjustment button on the control unit, when needs seat cushion is faced backward (from the anterior rear portion of subassembly height same state to the anterior high state change that is higher than the rear portion of subassembly on the cushion promptly), the telescopic link shrink of telescopic cylinder is controlled through the control unit, the telescopic link shrink drives adjusting part and removes to being close to cylinder body direction, at this moment, the adjusting part application of force is between subassembly and cushion under subassembly on the cushion, make subassembly and cushion under the subassembly open on the cushion, and because subassembly can not change position and angle under the cushion, and go up subassembly rear portion and subassembly rear portion activity hinged joint down, thus, just can only take place the cushion and go up subassembly front portion upwards to lift up, make subassembly realization is faced backward on the cushion, accomplish seat cushion and is faced backward to adjust. And when the seat needs to lean forward (namely the front part of the assembly is higher than the rear part of the assembly on the cushion and the rear part of the assembly is in the same height state change) the telescopic rod of the telescopic cylinder is controlled by the control part to stretch out, the telescopic rod stretches out to drive the adjusting part to move away from the cylinder body, at the same time, the position of the adjusting part is changed, the assembly is folded up under the assembly and the cushion on the seat, the front part of the assembly is close to the rear part of the assembly under the cushion on the cushion, and the position and the angle of the assembly can not be changed under the cushion, and the rear part of the assembly is movably hinged with the rear part of the assembly, so that only the front part of the assembly moves down on the cushion can happen, the assembly on the cushion realizes. And the setting of spacing spring for spacing spring exerts pulling force at last subassembly front portion position constantly, and like this, subassembly is in the forward dip regulation and the back adjustment in-process on the cushion, and the subassembly all can receive the restraint of decurrent power on the cushion, can not break away from with the cushion under the subassembly be connected, like this, makes the state after the cushion is adjusted reliably keep, satisfies the seat travelling comfort requirement leisurely. More importantly, the utility model discloses a structure, even if frequently adjust, relevant part also can not take place to damage easily, effectively avoids the easy problem of damaging of office chair regulatory function among the prior art. Therefore, the cost of the seat is effectively reduced, and the use convenience is improved. Cushion inclination adjustable official working seat structure, simple structure can convenient and fast adjust cushion inclination, the cushion frequently carries out inclination and adjusts and be difficult to the seat damage problem that appears, effectively reduces the maintenance frequency, improves life, satisfies people's health and travelling comfort requirement.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.

Claims

1. The utility model provides an adjustable official working seat structure of cushion inclination which characterized in that: the office chair structure with the adjustable cushion inclination angle comprises a seat cushion (1), wherein the lower surface of the seat cushion (1) is connected with a seat base (2), a plurality of moving wheels (3) are arranged at the bottom of the seat base (2), a seat backrest (4) is arranged at the rear part of the seat cushion (1), the seat cushion (1) comprises an upper cushion component (5) and a lower cushion component (6), an upper component rear part (7) of the upper cushion component (5) is movably hinged with a lower component rear part (8) of the lower cushion component (6), a telescopic cylinder (9) is movably mounted on the upper surface of the lower component rear part (8), a cylinder body (10) of the telescopic cylinder (9) is movably hinged with a cylinder mounting seat (11) on the upper surface of the lower component rear part (8), an adjusting part (12) is of a cylindrical structure, the side surface of the adjusting part (12) is fixedly connected with the front end of a telescopic rod (13) of the telescopic cylinder (, adjusting part (12) presss from both sides and puts between subassembly (5) and the cushion down subassembly (6) on the cushion position, adjusting part (12) upside laminating is subassembly (5) lower surface on the cushion, adjusting part (12) downside laminating is subassembly (6) upper surface under the cushion, telescopic cylinder (9) are connected with control part (14) that can control telescopic cylinder (9) flexible, subassembly (5) on the cushion is anterior (27) and the preceding (28) of subassembly (6) are connected through spacing spring (29) under the cushion.

2. The structure of an office seat with an adjustable cushion inclination angle according to claim 1, characterized in that: seat base (2) including base support column (15), base removal frame (16), a plurality of removal wheels of installation (3) are moved on frame (16) to the base, subassembly (6) lower surface mounting cylindric spacing collar (17) under the cushion of seat cushion (1), base support column (15) upper end suit is in spacing collar (17), base support column (15) upper end terminal surface sets up a plurality of pit portion (18), a ball (19) are placed in every pit portion (18) internalization, subassembly (6) lower surface under the cushion is leaned on in ball (19) upside top, set up bearing (20) between spacing collar (17) and base support column (15), seat back (4) lower extreme is connected with last subassembly rear portion (7).

3. The structure of an office seat adjustable in cushion inclination angle according to claim 2, characterized in that: base support column (15) including support column body (21) and extension post (22), extension post (22) set up at support column body (21) upper end terminal surface, support column body (21) and the extension post (22) formula structure as an organic whole of base support column (15), extension post (22) upper end terminal surface sets up a plurality of pit portion (18), a ball (19) are placed to every pit portion (18) internalization, ball (19) upside top leans on subassembly (6) lower surface under the cushion.

4. An office seat structure with an adjustable cushion inclination angle according to claim 2 or 3, characterized in that: support column body (21) and extension post (22) joint portion formation boss portion (23) of base support column (15), bearing (20) activity suit is on extension post (22), when bearing (20) suit was in extension post (22), the terminal surface supported on the boss face of boss portion (23) under bearing (20), the laminating of bearing (20) outer lane is at spacing collar (17) medial surface.

5. The structure of an office seat adjustable in cushion inclination angle according to claim 2, characterized in that: the base removes frame (16) including removing a body (24) and dividing branch pole (25), remove and set up a plurality of branch poles (25) that arrange according to equiangular gap along removing a body (24) side a week in a body (24) side, every divides branch pole (25) all to set up to the arc structure of buckling downwards, every divides one to remove wheel (3) of branch pole (25) lower extreme installation.