CN212787999U

CN212787999U - Office chair with electric adjustment function

Info

Publication number: CN212787999U
Application number: CN202021777962.5U
Authority: CN
Inventors: 叶志文
Original assignee: Jiangsu Monticello Home Technology Co ltd
Current assignee: Jiangsu Monticello Home Technology Co ltd
Priority date: 2020-08-23
Filing date: 2020-08-23
Publication date: 2021-03-26
Anticipated expiration: 2030-08-23

Abstract

The utility model discloses an office chair with electric regulation, establish knee preheating device and the preheating device actuating mechanism of setting in the seat main part including seat main part, articulated, the symmetry is provided with two back adjustment mechanism in the seat main part. The utility model discloses can adjust the gradient of back according to the demand, help alleviating fatigue, can also the assisted movement knee joint, prevent that the condition of knee damage from taking place, be favorable to that the user of service is healthy.

Description

Office chair with electric adjustment function

Technical Field

The utility model relates to an office appliance technical field especially relates to an office chair with electric regulation.

Background

An office chair refers to various chairs which are convenient to work in daily work and social activities, and a comfortable office chair can provide a more comfortable office environment for staff.

The back of current office chair is fixed mostly, and the longer condition of operating time arouses staff's discomfort easily, aggravates user's fatigue degree, and user need sit for a long time at work, and the knee joint plays to get up under the condition that does not preheat suddenly and harms the knee very easily, is unfavorable for user's healthy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the knee is easily damaged when the backrest and the knee joint cannot be adjusted and the knee joint suddenly rises without preheating in the prior art, and providing an office chair with electric adjustment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an office chair with electric adjustment comprises a chair main body, a knee preheating device hinged on the chair main body and a preheating device driving mechanism arranged on the chair main body, wherein two backrest adjusting mechanisms are symmetrically arranged on the chair main body;

the preheating device driving mechanism comprises an electric telescopic rod fixed at the bottom end of the seat plate and an L-shaped rotating rod hinged on the first convex column, a straight rod is arranged at the telescopic end of the electric telescopic rod, two ends of the straight rod are hinged with one end of the L-shaped rotating rod, a sliding rail is arranged at the other end of the L-shaped rotating rod, and the L-shaped rotating rod is in sliding connection with the second convex column through the matching of the sliding rail;

backrest adjustment mechanism includes the base housing, sets up a plurality of columnar order through-holes on the backup plate and slides the disc that sets up in the base housing, be provided with the cylindricality bolt that a plurality of cooperation columnar order through-holes used on the disc, the cylindricality bolt runs through one side and the columnar order through-hole sliding connection of base housing, one side of disc is connected with the pull rod, the cover is equipped with reset spring on the pull rod, one side at the disc is connected to reset spring's one end, and the other end is fixed on the base housing, the one end that runs through the base housing of pull rod is connected with the pull handle, the T type spout has been seted up at the position that the base housing is located pull rod right-hand member top, it is provided with the.

Further, the seat main part includes the base, sets up a plurality of pillars on the base and sets up the bedplate on the pillar, the left end of bedplate articulates and is provided with the backup plate, the bilateral symmetry of bedplate is provided with two handrails, all be provided with first projection on two pillars of bedplate right-hand member.

Further, knee preheating device includes with bedplate right-hand member articulated base and symmetry setting two backup pads in the base bottom, the backup pad bottom all is provided with the second projection.

Further, sponge pads are arranged on the seat board, the backup board and the support board.

Furthermore, one end of the sliding block is of a T-shaped structure matched with the T-shaped sliding groove, and the other end of the sliding block is of a semi-arc structure matched with the pull rod.

Compared with the prior art, the beneficial effects of the utility model are that: the device can adjust the gradient of back according to the demand, helps alleviating fatigue, can also the activity of assistance-movement knee joint, prevents that the condition of knee damage from taking place, is favorable to user's healthy.

Drawings

Fig. 1 is an external view of an office chair with electric adjustment according to the present invention;

fig. 2 is a schematic structural view of an office chair with electric adjustment according to the present invention;

FIG. 3 is a side view of an office chair with electric adjustment according to the present invention;

FIG. 4 is a schematic structural view of a backrest adjusting mechanism of an office chair with electric adjustment according to the present invention;

fig. 5 is a schematic structural view of the office chair with electric adjustment when the backrest adjustment mechanism is not in operation.

In the figure: 1. a seat main body; 11. a base; 12. a pillar; 13. a seat plate; 14. a backup plate; 15. a handrail; 16. a first convex column; 2. a knee preheating device; 21. a carrier plate; 22. a support plate; 23. a second convex column; 3. a preheating device drive mechanism; 31. an electric telescopic rod; 32. an L-shaped rotating rod; 33. a straight rod; 34. a slide rail; 4. a backrest adjustment mechanism; 41. a base housing; 42. a columnar through-hole; 43. a disc; 44. a cylindrical bolt; 45. a pull rod; 46. pulling a handle; 47. a T-shaped chute; 48. a slide block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, an office chair with electric adjustment comprises a seat body 1, a knee preheating device 2 hinged on the seat body 1 and a preheating device driving mechanism 3 arranged on the seat body 1, wherein two backrest adjusting mechanisms 4 are symmetrically arranged on the seat body 1;

the preheating device driving mechanism 3 comprises an electric telescopic rod 31 fixed at the bottom end of the seat plate 13 and an L-shaped rotating rod 32 hinged on the first convex column 16, a straight rod 33 is arranged at the telescopic end of the electric telescopic rod 31, two ends of the straight rod 33 are both hinged with one end of the L-shaped rotating rod 32, a sliding rail 34 is arranged at the other end of the L-shaped rotating rod 32, and the L-shaped rotating rod 32 is in sliding connection with the second convex column 23 through the matching of the sliding rail 34;

backrest adjustment mechanism 4 includes base housing 41, set up a plurality of columnar through-holes 42 and the slip disc 43 that sets up in base housing 41 on backup plate 14, be provided with the cylindricality bolt 44 that a plurality of cooperation columnar through-holes 42 used on disc 43, cylindricality bolt 44 runs through one side and columnar through-hole 42 sliding connection of base housing 41, one side of disc 43 is connected with pull rod 45, the cover is equipped with reset spring on the pull rod 45, one side at disc 43 is connected to reset spring's one end, the other end is fixed on base housing 41, the one end of running through base housing 41 of pull rod 45 is connected with pull handle 46, T type spout 47 has been seted up at the position that base housing 41 is located pull rod 45 right-hand member top, it is provided with slider 48 to slide in T type spout 47.

Further, seat body 1 includes base 11, sets up a plurality of pillars 12 on base 11 and sets up bedplate 13 on pillar 12, and the left end of bedplate 13 articulates and is provided with backup plate 14, and the bilateral symmetry of bedplate 13 is provided with two handrails 15, all is provided with first projection 16 on two pillars 12 of bedplate 13 right-hand member.

Further, knee preheating device 2 includes base 11 and two backup pads 22 of symmetry setting in base 11 bottom with bedplate 13 right-hand member articulated, and backup pad 22 bottom all is provided with second projection 23.

Further, sponge pads are arranged on the seat board 13, the backup board 14 and the carrier board 21, so that the comfort degree of users in use is improved.

Further, slider 48's one end is the T type structure that cooperation T type spout 47 used, and the other end supports pull handle 46 through half arc structure for the half arc structure that cooperation pull rod 45 used, prevents that disc 43 from reseing under reset spring's effect, is convenient for adjust the angle between backup plate and the bedplate 13.

The working principle is as follows: when the inclination of the backrest needs to be adjusted, a user drives the disc 43 to slide in the base shell 41 by pulling the pull handle 46, so that the cylindrical bolt 44 moves from the cylindrical through hole 42 into the base shell 41, at the moment, the sliding block 48 in the T-shaped sliding groove 47 is shifted, the semi-arc-shaped end of the sliding block 48 and the pull rod 45 are enabled to abut against the pull handle 46, the disc 43 is prevented from being reset under the action of the reset spring, the angle between the backup plate and the seat plate 13 can be adjusted, the purpose of adjusting the inclination of the backrest is achieved, after the proper angle is adjusted, the sliding block 48 is shifted, the semi-arc-shaped end of the sliding block 48 is enabled not to be connected with the pull rod 45, the cylindrical bolt 44 on the disc 43 is inserted into the cylindrical through hole 42 under the action of the reset spring to fix the adjusted backup plate 14, and the adjustment of;

when the user sits for a long time, start electric telescopic handle 31, promote the one end of L type dwang 32 through electric telescopic handle 31, the other end of L type dwang 32 will be circular motion on first projection 16, slide rail 34 and second projection 23 of seting up on L type dwang 32 cooperate during the motion, drive support plate 21 and rotate, under the reciprocal condition that promotes of electric telescopic handle 31, support plate 21 reciprocating motion that also can be continuous, the user's of putting on support plate 21 shank also can be along with the swing, preheat stiff knee joint because of sitting for a long time, the condition of knee damage takes place when preventing that the user from rising suddenly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An office chair with electric adjustment is characterized by comprising a seat main body (1), a knee preheating device (2) hinged on the seat main body (1) and a preheating device driving mechanism (3) arranged on the seat main body (1), wherein two backrest adjusting mechanisms (4) are symmetrically arranged on the seat main body (1);

the preheating device driving mechanism (3) comprises an electric telescopic rod (31) fixed at the bottom end of the seat plate (13) and an L-shaped rotating rod (32) hinged to the first convex column (16), a straight rod (33) is arranged at the telescopic end of the electric telescopic rod (31), two ends of the straight rod (33) are hinged to one end of the L-shaped rotating rod (32), a sliding rail (34) is arranged at the other end of the L-shaped rotating rod (32), and the L-shaped rotating rod (32) is in sliding connection with the second convex column (23) through the matching of the sliding rail (34);

the backrest adjusting mechanism (4) comprises a base shell (41), a plurality of column-shaped through holes (42) arranged on the backup plate (14) and a disc (43) arranged in the base shell (41) in a sliding manner, wherein a plurality of column-shaped bolts (44) matched with the column-shaped through holes (42) for use are arranged on the disc (43), the column-shaped bolts (44) penetrate through one side of the base shell (41) and are connected with the column-shaped through holes (42) in a sliding manner, one side of the disc (43) is connected with a pull rod (45), a return spring is sleeved on the pull rod (45), one end of the return spring is connected with one side of the disc (43), the other end of the return spring is fixed on the base shell (41), one end of the pull rod (45) penetrating through the base shell (41) is connected with a pull handle (46), and a T-shaped sliding groove (47) is formed in the position, above the right end of the, and a sliding block (48) is arranged in the T-shaped sliding groove (47) in a sliding manner.

2. An office chair with electric adjustment according to claim 1, characterized in that the seat body (1) comprises a base (11), a plurality of pillars (12) arranged on the base (11) and a seat board (13) arranged on the pillars (12), the left end of the seat board (13) is hinged with a rest board (14), two handrails (15) are symmetrically arranged on two sides of the seat board (13), and a first convex column (16) is arranged on each of the two pillars (12) at the right end of the seat board (13).

3. An office chair with electric adjustment according to claim 1, characterized in that the knee preheating device (2) comprises a base (11) hinged with the right end of the seat plate (13) and two support plates (22) symmetrically arranged at the bottom of the base (11), and the bottom ends of the support plates (22) are provided with second convex columns (23).

4. An office chair with electric adjustment according to claim 1, characterized in that sponge pads are arranged on the seat plate (13), the backrest plate (14) and the carrier plate (21).

5. An office chair with electric adjustment according to claim 1, characterized in that the slide (48) has a T-shaped structure for engaging the T-shaped slide groove (47) at one end and a semi-arc structure for engaging the pull rod (45) at the other end.