CN223601107U

CN223601107U - Office chair bottom tray with buffer function

Info

Publication number: CN223601107U
Application number: CN202423002790.5U
Authority: CN
Inventors: 毛人颉
Original assignee: Zhejiang Jinbiao Furniture Technology Co ltd
Current assignee: Zhejiang Jinbiao Furniture Technology Co ltd
Priority date: 2024-12-05
Filing date: 2024-12-05
Publication date: 2025-11-28
Anticipated expiration: 2034-12-05

Abstract

The utility model relates to the technical field of office chair bottom trays and discloses an office chair bottom tray with a buffer function, which comprises a lower connecting plate, an upper connecting plate, a connecting rod part and a spring damper, wherein the connecting rod part and the spring damper are fixed between the upper connecting plate and the lower connecting plate through bolts or welding, the lower end of the spring damper is hinged on the lower connecting plate, the upper end of the spring damper is hinged on the connecting rod part, the connecting rod part comprises a lower tripod welded on the lower connecting plate and four diagonal bracing connecting rod arms hinged on the lower tripod, the upper end of the diagonal bracing connecting rod arm is hinged with an upper tripod, and the upper connecting plate is welded and fixed on the upper tripod. According to the utility model, through oblique guiding of the connecting rod structure, stability and silky performance in a buffering process are effectively improved, and compared with a traditional structure, the buffer structure is more comfortable, has larger bearing capacity and longer service life.

Description

Office chair bottom tray with buffer function

Technical Field

The utility model relates to the technical field of office chair bottom trays, in particular to an office chair bottom tray with a buffer function.

Background

The utility model provides a strong office chair chassis of stability is provided for (CN 218164658U), which relates to office chair technical field, including the chassis, a pair of sleeve has all been inserted to the inside both sides on chassis, the spout has all been seted up to telescopic inside both sides, equal slidable mounting has the connecting rod between the spout, the bottom fixed mounting on connecting rod has the tray, the inside bottom fixed mounting on chassis has the biax motor, the both ends of biax motor overlap respectively and are equipped with left-hand worm and right-hand worm, a pair of bearing frame is all installed at the inside both ends on chassis, all overlap between every pair of bearing frame and are equipped with the connecting axle, the center department of both sides connecting axle overlaps respectively and is equipped with left-hand worm wheel and right-hand worm wheel, the both ends of connecting axle all overlap and are equipped with the gear, the rack has all been seted up to one side of connecting rod, the arc wall has all been seted up to the sleeve in one side that is close to the rack, intermeshing between rack and the gear. The utility model can effectively improve the stability of the office chair during office work and has higher practical value;

However, the conventional seat bottom is cushioned to a certain extent by a C-shaped structural design or a pneumatic telescopic rod, but on the one hand, the cushion effect is very limited and hard, and is not smooth and uncomfortable.

The proposal is proposed for improving and optimizing the problems or the defects.

Disclosure of utility model

The utility model provides a take buffer function's office chair bottom tray, includes lower connecting plate and upper connecting plate, still includes through bolt or welded fastening upper connecting plate with link part and the spring damper between the lower connecting plate, wherein the lower extreme of spring damper articulates on the lower connecting plate and the upper end articulates on the link part.

Preferably, the link member includes a lower tripod welded to the lower connection plate and four diagonal link arms hinged to the lower tripod, wherein an upper tripod is hinged to an upper end of the diagonal link arm, and the upper connection plate is welded to the upper tripod.

Preferably, the lower tripod is further hinged with an arm, the upper end of the arm is fixed with a cross rod on the upper tripod, and the upper end of the spring damper is hinged to the arm.

Preferably, gear hinge holes in a plurality of different positions are formed in the bow arm at intervals, and the gear hinge holes serve as hinge holes in the upper end of the spring damper to enable the spring damper to be installed selectively according to requirements, so that different seat bottom heights are obtained.

Preferably, the device further comprises a limit buffer rubber sleeve supporting plate, wherein two ends of the limit buffer rubber sleeve supporting plate are hinged with the lower tripod and the upper tripod respectively, a limit buffer rubber sleeve is fixedly arranged on the limit buffer rubber sleeve supporting plate, a brake push plate is fixedly arranged at the front end of the bow arm, and the bow arm is configured to be propped against the upper end face of the limit buffer rubber sleeve for protection after the bow arm reaches limit lower limit.

Preferably, a ground support is fixed on the lower end surface of the lower connecting plate through bolts, and the length of the ground support exceeds that of the diagonal brace connecting rod arm, so that the backward tilting of the seat is avoided, and the stability is improved.

The utility model has the advantages and positive effects that:

1. Through the slant guide of connecting rod structure, effectual stability and the silky performance that has improved the buffering in-process, it is more comfortable to compare traditional structure to bearing capacity is bigger, and life is longer.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is a schematic view of the structure of fig. 1 with the upper connecting plate 10 and part of the upper tripod 11 and the diagonal connecting rod arm 12 removed.

The drawing comprises 10, an upper connecting plate, 11, an upper tripod, 12, a diagonal connecting rod arm, 13, a limit buffer rubber sleeve supporting plate, 14, a ground supporting frame, 15, a lower connecting plate, 16, a gear hinge hole, 17, a spring damper, 18, a lower tripod, 19, a bow arm, 20, a brake push plate, 21 and a limit buffer rubber sleeve.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

Embodiments of the utility model are described in further detail below with reference to the attached drawing figures:

As shown in fig. 1-2, the office chair bottom tray with a buffering function according to the present utility model comprises a lower connection plate 15 and an upper connection plate 10, and further comprises a connection rod member fixed between the upper connection plate 10 and the lower connection plate 15 by bolts or welding, and a spring damper 17, wherein a lower end of the spring damper 17 is hinged to the lower connection plate 15 and an upper end is hinged to the connection rod member.

Preferably, the link member includes a lower tripod 18 welded to the lower connection plate 15 and four diagonal link arms 12 hinged to the lower tripod 18, wherein an upper tripod 11 is hinged to an upper end of the diagonal link arms 12, and an upper connection plate 10 is welded to the upper tripod 11.

Preferably, an arm 19 is further hinged on the lower tripod 18, the upper end of the arm 19 is fixed with a cross bar on the upper tripod 11, and the upper end of the spring damper 17 is hinged on the arm 19.

Preferably, a plurality of gear hinge holes 16 are arranged on the bow arm 19 at intervals, and the gear hinge holes 16 serve as holes hinged with the upper end of the spring damper 17 to enable the spring damper 17 to be installed selectively according to requirements, so that different seat bottom heights can be obtained.

Preferably, the device further comprises a limit buffer rubber sleeve supporting plate 13, two ends of the limit buffer rubber sleeve supporting plate 13 are respectively hinged with the lower tripod 18 and the upper tripod 11, a limit buffer rubber sleeve 21 is fixedly arranged on the limit buffer rubber sleeve supporting plate 13, a brake push plate 20 is fixedly arranged at the front end of the bow arm 19, and the bow arm 19 is configured such that the brake push plate 20 abuts against the upper end face of the limit buffer rubber sleeve 21 for protection after the bow arm 19 reaches limit lower limit.

Preferably, a ground support 14 is further fixed on the lower end surface of the lower connecting plate 15 through bolts, and the length of the ground support 14 exceeds that of the diagonal connecting rod arm 12, so that the backward tilting of the seat is avoided and the stability is improved.

It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the utility model is not limited to the examples described in the detailed description, but rather falls within the scope of the utility model as defined by other embodiments derived from the technical solutions of the utility model by those skilled in the art.

Claims

1. The office chair bottom tray with the buffer function is characterized by comprising a lower connecting plate (15) and an upper connecting plate (10), and further comprising a connecting rod part and a spring damper (17), wherein the connecting rod part is fixed between the upper connecting plate (10) and the lower connecting plate (15) through bolts or welding, and the lower end of the spring damper (17) is hinged on the lower connecting plate (15) while the upper end is hinged on the connecting rod part;

The connecting rod part comprises a lower tripod (18) welded on the lower connecting plate (15) and four diagonal connecting rod arms (12) hinged on the lower tripod (18), wherein an upper tripod (11) is hinged on the upper end of the diagonal connecting rod arms (12), and an upper connecting plate (10) is welded and fixed on the upper tripod (11);

An arch arm (19) is further hinged to the lower tripod (18), the upper end of the arch arm (19) is fixed to a cross rod on the upper tripod (11), and the upper end of the spring damper (17) is hinged to the arch arm (19).

2. The office chair bottom tray with the buffering function according to claim 1, wherein a plurality of gear hinge holes (16) are formed in the bow arm (19) at intervals, and the gear hinge holes (16) serve as holes hinged with the upper ends of the spring shock absorbers (17) to enable the spring shock absorbers (17) to be installed selectively according to requirements, so that different seat bottom heights can be obtained.

3. The office chair bottom tray with the buffering function according to claim 2, further comprising a limit buffer rubber sleeve supporting plate (13), wherein two ends of the limit buffer rubber sleeve supporting plate (13) are respectively hinged with the lower tripod (18) and the upper tripod (11), a limit buffer rubber sleeve (21) is fixedly arranged on the limit buffer rubber sleeve supporting plate (13), a brake push plate (20) is fixedly arranged at the front end of the bow arm (19), and the bow arm (19) is configured to be propped against the upper end face of the limit buffer rubber sleeve (21) for protection after the bow arm (19) reaches limit.

4. The office chair bottom tray with buffering function according to claim 3, wherein a ground support (14) is further fixedly arranged on the lower end face of the lower connecting plate (15) through bolts, and the length of the ground support (14) exceeds that of the diagonal brace connecting rod arm (12), so that the backward tilting of the chair is avoided, and the stability is improved.