CN212995534U

CN212995534U - Executive chair

Info

Publication number: CN212995534U
Application number: CN202021588313.0U
Authority: CN
Inventors: 王杰
Original assignee: Zhejiang Anji Mingcheng Chair Industry Co ltd
Current assignee: Zhejiang Anji Mingcheng Chair Industry Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-04-20
Anticipated expiration: 2030-08-03

Abstract

The utility model relates to a executive chair, which comprises chair legs, wherein a plurality of pulleys are arranged at the bottom of the chair legs, stand columns are vertically and upwards arranged on the chair legs, a chassis is fixedly connected onto the stand columns, the opening direction of the chassis faces the front end of a cushion, an induction component is arranged in an opening of the chassis, one end of the induction component is attached to the front end of the cushion, the other end of the induction component is connected with a sliding column, the sliding column is arranged in the stand columns in a sliding manner, and locking pieces for locking the pulleys are arranged at the bottom ends of the sliding columns; when the sensing assembly is pressed by the front end of the cushion, the sliding column drives the locking piece to lock the pulley. The executive chair provided by the utility model is provided with the induction component at the chassis of the executive chair and the locking piece on the chair leg, and utilizes the sliding column inside the upright column for transmission; the sensing assembly located at the front end of the cushion senses that the pressing is performed, then the sliding column is driven to press down the locking piece, the pulley is locked by the locking piece, and the problem that when a human body leans forward, a executive chair slides backwards to cause people to fall down is avoided.

Description

Executive chair

Technical Field

The utility model relates to an office furniture technical field specifically is a chair for big class.

Background

A executive chair belongs to one of office furniture and is mainly commonly used for office building office staff to work. In the current office chair, in order to facilitate communication between office workers and peripheral workers, pulleys are usually mounted at the bottom of the office chair, so that the office chair can be moved conveniently. However, due to the continuous improvement of office environment, smooth ceramic tiles are adopted in office areas of most office buildings, so that the office chairs are easy to slip on the ground. When a human body sits up or leans backwards normally, the pulley slips to only cause the executive chair to move due to the existence of the backrest; however, when the human body leans forward, the pulley of the executive chair tends to move backward due to forward movement of the center of gravity, and when the office workers are in a tired state of working for a long time, the office workers are very easy to fall down.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a executive chair to the above-mentioned not enough that exists among the prior art for solve the problem that current executive chair falls down when leading to the official working easily to lean forward.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a executive chair comprises chair legs, wherein a plurality of pulleys are arranged at the bottoms of the chair legs, stand columns are vertically and upwards arranged on the chair legs, a base plate is fixedly connected onto the stand columns, a cushion is attached to the base plate and is in an inverted ㄈ shape, the opening direction of the base plate faces the front end of the cushion, an induction assembly is arranged in an opening of the base plate, one end of the induction assembly is attached to the front end of the cushion, the other end of the induction assembly is connected with a sliding column, the stand columns are hollow, the sliding column is slidably arranged in the stand columns, and locking members for locking the pulleys are arranged at the bottom ends of the sliding columns; when the sensing assembly is pressed by the front end of the cushion, the sliding column drives the locking piece to lock the pulley.

Compared with the prior art, the utility model discloses following beneficial effect has: the executive chair provided by the utility model is provided with the induction component at the chassis of the executive chair and the locking piece on the chair leg, and utilizes the sliding column inside the upright column for transmission; when the human body leans forward, the human focus moves forward and oppresses the cushion front end, and the response subassembly that is located the cushion front end experiences and drives the post that slides after the oppression and pushes down the locking piece, and the locking piece is with the pulley locking for the pulley locking is fixed, and executive chair can't remove, has avoided the human body to slide backward and lead to the problem that personnel fell down when leaning forward.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic sectional view of a executive chair of the present invention;

FIG. 2 is a schematic view of the structure of the induction column of the present invention;

fig. 3 is an enlarged schematic view of a point a in fig. 1.

Reference numerals: 1. chair legs; 2. a pulley; 3. a column; 4. a chassis; 5. a cushion; 6. a sliding post; 7. an inductive pad; 8. a first extension spring; 9. a support sheet; 10. an induction column; 11. a drive plate; 12. fixing a column; 13. clamping the column; 14. a strut; 15. a second extension spring.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

the utility model provides a boss chair, as shown in figure 1, including chair foot 1, chair foot 1 bottom is equipped with a plurality of pulleys 2, and chair foot 1 is vertical upwards to be equipped with stand 3, fixedly connected with chassis 4 on the stand 3, laminating on chassis 4 is equipped with cushion 5, chassis 4 is anti "ㄈ" type, 4 opening directions on chassis are towards cushion 5 front end, are equipped with the response subassembly in the chassis 4 opening, the setting of laminating of response subassembly one end and cushion 5 front end, the response subassembly other end even has sliding column 6, stand 3 is inside hollow, sliding column 6 slides and sets up in stand 3, and sliding column 6 bottom is equipped with the locking piece that locks a plurality of pulleys 2; when the sensing assembly is pressed by the front end of the cushion 5, the sliding column 6 drives the locking piece to lock the pulley 2. Because the pulley 2 on the executive chair is easy to move backwards when the personnel on the traditional executive chair leans forwards, the personnel are easy to fall forwards. Consequently, set up the response subassembly on the chassis 4 of executive chair, set up the locking piece in chair foot 1 department, when the human body leans forward, the antedisplacement of health focus oppresses the response subassembly that is located 5 front ends of cushion for the response subassembly pushes down slide post 6, and slide post 6 drives the locking piece of bottom again and locks pulley 2, makes pulley 2 unable roll, avoids the staff to fall down. Here chassis 4 sets to anti "ㄈ" type, and chassis 4 upper end and 5 laminating settings of cushion, and chassis 4 lower extreme and the fixed setting of stand 3 are at first for guaranteeing the supporting role of chassis 4 itself to cushion 5, secondly for making the through-hole of seting up on the stand 3 expose, make things convenient for sliding column 6 and the response subassembly that sets up at chassis 4 opening part to link to each other. The response subassembly is located 4 openings on the chassis and stretches out, is for the ease of sensing the oppression of 5 front ends of cushion to here cushion 5 itself has certain plasticity and elasticity, when human normal sitting, presses down on the chassis 4 of cushion 5 below under most of human gravity, and cushion 5 front end itself also can bear a part of people weight, has avoided human thigh front end not to support, influences the experience of executive chair itself.

According to another embodiment of the present invention, as shown in fig. 2, preferably, the sensing assembly includes a sensing pad 7, the upper end of the sensing pad 7 is attached to the cushion 5, the lower end of the sensing pad 7 is connected to a first extension spring 8, the lower end of the first extension spring 8 is connected to a support sheet 9, and the support sheet 9 is fixedly connected to the chassis 4; the induction column 10 is sleeved in the first telescopic spring 8, the upper end of the induction column 10 is suspended in the air with the induction gasket 7, the supporting sheet 9 is provided with a through hole, the lower end of the induction column penetrates through the through hole and then is fixedly connected with the transmission plate (11), and the transmission plate 11 is fixedly connected with the sliding column 6. When the human body leans forward, the front end of the thigh of the human body is pressed downwards, the front end of the cushion 5 is slightly concave downwards, the induction gasket 7 gradually moves downwards, the first telescopic spring 8 is compressed, the induction gasket 7 gradually moves downwards to be connected with the induction column 10, the induction column 10 drives the transmission plate 11 to move downwards, and the transmission plate 11 drives the sliding column 6 to move downwards. The supporting sheet 9 is arranged and the supporting sheet 9 is fixedly connected with the chassis 4, so that the lower end of the first telescopic spring 8 is provided with a supporting piece, and the induction gasket 7 can be attached to the bottom of the seat cushion 5. Meanwhile, the induction column 10 and the induction gasket 7 are arranged in a hanging way, so that the induction column 10 directly drives the sliding column 6 to move downwards and lock the pulley 2 when a human body slightly shakes and leans forward; a certain gap is reserved between the induction column 10 and the induction gasket 7, so that the problem that the induction column 10 is touched by mistake due to the fact that the body slightly tilts forwards, and sliding locking is caused is solved.

According to another embodiment of the present invention, as shown in fig. 3, preferably, the chair leg 1 is hollow, the locking member includes a fixed column 12 connected to the pulley 2, the fixed column 12 is fixedly connected to the inner wall of the chair leg 1, a locking column 13 for locking the pulley 2 is slidably sleeved on the fixed column 12, a support rod 14 is provided at the lower end of the sliding column 6 toward each locking column 13, the side wall of the locking column 13 is fixedly connected to the support rod 14, the locking column 13 is connected to the inner wall of the chair leg 1 by a second expansion spring 15, the second expansion spring 15 is sleeved on the fixed column 12, and the surface of the pulley 2 is uniformly provided with gear teeth; when the sliding column 6 drives the supporting rod 14 to move downwards, the clamping column 13 slides downwards and is meshed with the gear teeth on the surface of the pulley 2. When utilizing the locking piece to carry out the locking to pulley 2, through set up card post 13 on fixed column 12, card post 13 links to each other with slip post 6 through branch 14, when slip post 6 moves down, branch 14 drives card post 13 downstream, and this place card post 13 bottom sets to most advanced form, through set up the teeth of a cogwheel on 2 surfaces of pulley for card post 13 blocks between 2 surface teeth of a cogwheel of pulley, with 2 locking of pulley, the completion is fixed to executive chair. A second telescopic spring 15 is arranged on the inner walls of the clamping column 13 and the chair leg 1, and the clamping column 13 is lifted upwards by the second telescopic spring 15, so that the clamping column 13 is prevented from falling and the pulley 2 is locked; meanwhile, the position of the sliding column 6 can be ensured in the process that the clamping column 13 is lifted up by the second telescopic spring 15, so that the height of the sliding column 6 is in a constant height, and a proper distance between the induction column 10 and the induction gasket 7 is ensured. The bottom end of the clamping column 13 is not unique in shape, a rack matched with gear teeth on the pulley 2 can be arranged at the bottom end of the clamping column 13, and the rack is embedded with the gear teeth on the pulley 2 when the clamping column 13 moves downwards, so that the purpose of locking the pulley 2 is achieved.

The utility model discloses the working process is as follows: when a human body leans forward, the gravity center of the human body moves forward, the front end of a thigh presses the front end of the cushion 5 to be concave, the cushion 5 presses the induction gasket 7 to move downwards, the induction gasket 7 moves downwards to a certain height and then touches the induction column 10 to move downwards, the induction column 10 drives the transmission plate 11 to move downwards, the sliding column 6 fixedly connected with the transmission plate 11 slides downwards, the sliding column 6 drives the supporting rod 14 to move downwards, the clamping column 13 moves downwards, the lower end of the clamping column 13 is meshed with the surface gear teeth of the pulley 2, the pulley 2 cannot slide, and the executive chair is fixed. When a human body sits up, the gravity center of the human body moves backwards, most of the weight of the human body is pressed on the chassis 4, the front end of the cushion 5 gradually upwarps and does not press the induction gasket 7, the induction gasket 7 gradually lifts up under the action of the first telescopic spring 8, and the whole induction column 10, the transmission plate 11 and the sliding column 6 are not pressed any more; the support rod 14 does not press the clamping column 13 any more, the clamping column 13 is pulled upwards by the second telescopic spring 15, the clamping column 13 is separated from the surface gear teeth of the pulley 2, and the pulley 2 can normally slide; meanwhile, the clamping column 13 drives the supporting rod 14 to move upwards, the sliding column 6 moves upwards, and the transmission plate 11 lifts the induction column 10 to the original position, so that the pulley 2 is locked when the body leans forwards next time.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The executive chair comprises chair legs (1), wherein a plurality of pulleys (2) are arranged at the bottom of the chair legs (1), a stand column (3) is vertically and upwards arranged on the chair legs (1), a chassis (4) is fixedly connected onto the stand column (3), a cushion (5) is arranged on the chassis (4) in a laminating mode, the executive chair is characterized in that the chassis (4) is of an inverted ㄈ type, the opening direction of the chassis (4) faces towards the front end of the cushion (5), an induction assembly is arranged in the opening of the chassis (4), one end of the induction assembly is arranged in a laminating mode with the front end of the cushion (5), the other end of the induction assembly is connected with a sliding column (6), the stand column (3) is hollow, the sliding column (6) is arranged in the stand column (3) in a sliding mode, and a plurality of locking pieces for locking the pulleys (2) are arranged at the bottom; when the induction assembly is pressed by the front end of the cushion (5), the sliding column (6) drives the locking piece to lock the pulley (2).

2. A executive chair as claimed in claim 1, characterised in that the sensing assembly comprises a sensing pad (7), the upper end of the sensing pad (7) is attached to the seat cushion (5), the lower end of the sensing pad (7) is connected with a first extension spring (8), the lower end of the first extension spring (8) is connected with a support plate (9), and the support plate (9) is fixedly connected to the chassis (4); the induction column (10) is arranged in the first telescopic spring (8) in a sleeved mode, the upper end of the induction column (10) is suspended in the air with the induction gasket (7), the supporting sheet (9) is provided with a through hole, the lower end of the induction column penetrates through the through hole and then is fixedly connected with the transmission plate (11), and the transmission plate (11) is fixedly connected with the sliding column (6).

3. A executive chair as claimed in claim 1, wherein the chair legs (1) are hollow, the locking member comprises fixed columns (12) connected with the pulleys (2), the fixed columns (12) are fixedly connected to the inner walls of the chair legs (1), clamping columns (13) for locking the pulleys (2) are slidably sleeved on the fixed columns (12), support rods (14) are arranged at the lower ends of the sliding columns (6) towards the clamping columns (13), the side walls of the clamping columns (13) are fixedly connected with the support rods (14), second telescopic springs (15) are connected with the inner walls of the chair legs (1) through the clamping columns (13), the second telescopic springs (15) are sleeved on the fixed columns (12), and gear teeth are uniformly distributed on the surfaces of the pulleys (2); when the sliding column (6) drives the supporting rod (14) to move downwards, the clamping column (13) slides downwards and is meshed with the surface gear teeth of the pulley (2).