CN214483975U - Furniture bottom frame of sitting and lying furniture - Google Patents

Abstract

The utility model discloses a sit furniture chassis of formula of crouching furniture, including sitting the formula of crouching seat and installing the chassis of sitting the formula of crouching seat bottom, the chassis is both ends formula structure and includes the cambered surface base plate of support column and erection bracing post bottom, the upper end of support column and the bottom fixed connection and the peripheral cover of sitting the formula of crouching seat have inlayed the rubber spacer, four groups's movable groove are evenly installed to the bottom of cambered surface base plate, be provided with the universal wheel under the movable groove, the upper end of universal wheel is connected with the bracing piece, the upper end interlude of bracing piece has the gag lever post in the movable groove and outside activity interlude, the inner of gag lever post is fixed on the inner wall of movable groove, the middle part horizontally connected with of adjacent two sets of bracing pieces has the regulation pole. The utility model discloses have the universal wheel with adjustable in the design of bottom, can extend and contract the universal wheel through adjustment mechanism, made things convenient for the removal when extending on the one hand, can guarantee the stability of seat bottom when on the other hand contracts.

Description

Furniture bottom frame of sitting and lying furniture

Technical Field

The utility model relates to the technical field of furniture, in particular to a furniture bottom frame of sitting and lying furniture.

Background

Furniture refers to a large category of appliances and facilities essential for human beings to maintain normal life, engage in production practice and develop social activities. The furniture is continuously developed and innovated following the foot steps of the times, and the door is various in types, different in materials, complete in variety and different in purposes. The adjustable sitting and lying type seat is an important foundation for establishing a working and living space, wherein the seat is a common furniture type, in order to meet the requirements of people, the adjustable sitting and lying type seat is provided, the adjustable sitting and lying type seat can be adjusted according to the requirements of a user and can be used in sitting and lying postures, and a special underframe is arranged at the bottom of the sitting and lying type seat.

However, the conventional base frame of the recumbent seat has the following problems in the use process: (1) in order to facilitate the movement of the seat, universal wheels are often mounted on the underframe, so that the stability of the seat is affected although the seat has good mobility; (2) the bottom of the existing underframe is generally in a plane structure and is in direct contact with the ground, and the lack of air permeability easily causes the bottom of the seat to generate moisture, so that the bottom is corroded by the moisture. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a furniture chassis of sitting or lying formula furniture has solved the problem that proposes in the background art, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme: a furniture underframe of sitting and lying type furniture comprises a sitting and lying type seat and an underframe arranged at the bottom of the sitting and lying type seat, wherein the underframe is of a two-end structure and comprises a support column and a cambered surface base plate for installing the bottom of the support column, the upper end of the support column is fixedly connected with the bottom of the sitting and lying type seat, a rubber spacer is sleeved outside the upper end of the support column, four groups of movable grooves are uniformly arranged at the bottom of the cambered surface base plate, universal wheels are arranged under the movable grooves, the upper end of each universal wheel is connected with a support rod, the upper end of each support rod is inserted into each movable groove, a limit rod is movably inserted outside the movable grooves, the inner end of each limit rod is fixed on the inner wall of each movable groove, the middle parts of two adjacent groups of support rods are horizontally connected with an adjusting rod, the outer end of each adjusting rod is movably connected with the support rods and comprises a first adjusting rod and a second adjusting rod, a first pressing block is arranged between the first adjusting rod and the second adjusting rod through a hinge, the upper end of briquetting is connected with the depression bar perpendicularly, the screw thread is provided with the knob on the depression bar, the adjustment tank has all been seted up perpendicularly to cambered surface base plate both sides, the upper end setting of depression bar is in the adjustment tank, the top of adjusting pole one and adjusting pole two all is connected with the pullback spring, the upper end of pullback spring is connected with cambered surface base plate bottom.

As a preferred embodiment of the present invention, the rubber spacer is provided with a plurality of layers and has a corrugated structure as a whole.

As an optimal implementation mode of the utility model, the both ends machine-shaping of cambered surface base plate has bearing roller and inside to have seted up the holding tank, evenly install a plurality of groups anchor strut in the holding tank, adjacent two sets of anchor strut are three horn structure.

As an optimal implementation mode of the utility model, a plurality of groups of bleeder vents have evenly been seted up to the bottom of cambered surface base plate, the bleeder vent is linked together with the holding tank, it has the active carbon still to fill in the holding tank.

As a preferred embodiment of the utility model, the surface coating of bearing roller has the rubber pad, the surface machining shaping of rubber pad has a plurality of groups antislip strip, the even machine-shaping in surface of antislip strip has a plurality of groups skid proof block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this scheme has improved the chassis structure of seat, has the universal wheel with adjustable in the design of bottom, can extend and contract the universal wheel through adjustment mechanism, has made things convenient for the removal when extending on the one hand, can guarantee the stability of seat bottom when on the other hand contracts.

2. The design of the seat bottom frame is that a certain gap is formed between the cambered surface structure and the ground, the mobility of the air at the bottom of the bottom frame can be improved, and the bottom frame can be prevented from being affected with damp and corroded by matching with the inside activated carbon.

3. The design of chassis is cambered surface structure and has seted up the holding tank in inside to the inside anchor strut of cooperation makes the seat chassis lightweight more under the condition that does not influence seat chassis intensity.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view of the structure of the bottom frame of the present invention;

FIG. 3 is a drawing showing a contraction structure of the universal wheel of the present invention;

FIG. 4 is a diagram of the structure of the cambered surface base plate of the present invention;

fig. 5 is a structure view of the rubber pad of the present invention.

In the figure, 1-a sitting and lying type seat, 2-a support column, 3-a cambered surface base plate, 4-a rubber spacer, 5-a movable groove, 6-a universal wheel, 7-a support rod, 8-a limiting rod, 9-a first adjusting rod, 10-a second adjusting rod, 11-a pressing block, 12-a pressing rod, 13-a knob, 14-an adjusting groove, 15-a pull-back spring, 16-a bearing roller, 17-an accommodating groove, 18-a reinforcing rod, 19-an air hole, 20-activated carbon, 21-a rubber pad, 22-an anti-skid strip and 23-an anti-skid bump.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a furniture underframe of sitting and lying type furniture comprises a sitting and lying type seat 1 and an underframe arranged at the bottom of the sitting and lying type seat 1, wherein the underframe is of a two-end structure and comprises a support column 2 and a cambered surface base plate 3 for installing the bottom of the support column 2, the upper end of the support column 2 is fixedly connected with the bottom of the sitting and lying type seat 1, a rubber spacer 4 is sleeved and embedded at the periphery of the support column 2, four groups of movable grooves 5 are uniformly arranged at the bottom of the cambered surface base plate 3, universal wheels 6 are arranged under the movable grooves 5, the upper ends of the universal wheels 6 are connected with support rods 7, the upper ends of the support rods 7 are inserted in the movable grooves 5, limiting rods 8 are movably inserted at the outer sides of the support rods 7, the inner ends of the limiting rods 8 are fixed on the inner walls of the movable grooves 5, adjusting rods are horizontally connected at the middle parts of two adjacent groups of the support rods 7, the outer ends of the adjusting rods are movably connected with the support rods 7 and comprise a first adjusting rod 9 and a second adjusting rod 10, a pressing block 11 is movably connected between the first adjusting rod 9 and the second adjusting rod 10 through a hinge, and a connecting part is arranged right above the connecting part, the upper end of briquetting 11 is connected with depression bar 12 perpendicularly, and the screw thread is provided with knob 13 on the depression bar 12, and adjustment tank 14 has all been seted up perpendicularly to cambered surface base plate 3 both sides, and the upper end setting of depression bar 12 is in adjustment tank 14, and the top of adjusting pole one 9 and adjusting pole two 10 all is connected with pullback spring 15, and pullback spring 15's upper end is connected with cambered surface base plate 3 bottom.

Further improved, as shown in fig. 1: the rubber spacer 4 is provided with a plurality of layers and is of a fold-shaped structure integrally, and the design mode can improve the protection of the underframe and improve the aesthetic property of the bottom of the seat.

Further improved, as shown in fig. 1: both ends machine-shaping of cambered surface base plate 3 has bearing roller 16 and inside to offer holding tank 17, evenly installs a plurality of groups of stiffener 18 in the holding tank 17, and adjacent two sets of stiffener 18 are triangle-shaped structure, and such design improves the bearing strength of chassis when lightening chassis weight.

Further improved, as shown in fig. 1: a plurality of groups of air holes 19 are uniformly formed in the bottom of the cambered surface base plate 3, the air holes 19 are communicated with the accommodating groove 17, the accommodating groove 17 is filled with active carbon 20, and the active carbon 20 is designed in the accommodating groove 17 to absorb moisture in the bottom of the cambered surface base plate 3 through the air holes 19, so that the service life of the seat bottom frame is prolonged.

Specifically, the pressure-bearing roller 16 is cylindrical structure and surface coating has rubber pad 21, and the surface machining shaping of rubber pad 21 has a plurality of groups antislip strip 22, and the even machine-shaping in surface of antislip strip 22 has a plurality of groups skid proof block 23, has antislip strip 22 at the surface machining of rubber pad 21, improves the stability of cambered surface base plate 3 and has skid proof block 23 at the surface machining shaping when can lie in the ground contact, can reach skid-proof purpose.

When in use: the utility model discloses when needing to carry out the portable to sitting horizontal seat 1, the user can slightly lift the both sides of sitting horizontal seat 1 in proper order, then pull up depression bar 12, pull rod 12 drives the briquetting 11 of bottom to move up in the in-process of drawing upward under the effect of pullback spring 15 pullback force, adjust the in-process that pole one 9 and regulation pole two 10 junction moved upward and the outer end extrudees bracing piece 7 to the outside, bracing piece 7 rotates universal wheel 6 to the vertical state gradually with gag lever post 8 as the center in the extrusion process, adjust pole one 9 and adjust pole two 10 horizontality this moment, adjust the junction of pole one 9 and regulation pole two 10 and remain the laminating with briquetting 11 all the time, then tighten knob 13 and contact with the side of cambered surface base plate 3, thereby reach the fixed purpose, otherwise, pull rod 12 down can reach the purpose of accomodating universal wheel 6, the operation is simple and the use is convenient.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a furniture chassis of sitting or lying formula furniture, includes sitting or lying formula seat (1) and installs the chassis in sitting or lying formula seat (1) bottom, its characterized in that: the chassis is of a two-end structure and comprises a cambered base plate (3) at the bottom of a support column (2) and an installation support column (2), the upper end of the support column (2) is fixedly connected with the bottom of a horizontal seat (1) in a sitting mode, a rubber spacer (4) is sleeved on the periphery of the support column, four groups of movable grooves (5) are uniformly installed at the bottom of the cambered base plate (3), universal wheels (6) are arranged under the movable grooves (5), the upper ends of the universal wheels (6) are connected with support rods (7), the upper ends of the support rods (7) are inserted into the movable grooves (5), limit rods (8) are movably inserted into the outer sides of the support rods (7), the inner ends of the limit rods (8) are fixed on the inner wall of the movable grooves (5), the middle portions of two adjacent groups of the support rods (7) are horizontally connected with adjusting rods, the outer ends of the adjusting rods are movably connected with the support rods (7) and comprise an adjusting rod I (9) and an adjusting rod II (10), adjust pole one (9) and adjust and be provided with briquetting (11) through hinge swing joint and junction directly over between pole two (10), the upper end of briquetting (11) is connected with depression bar (12) perpendicularly, the screw thread is provided with knob (13) on depression bar (12), adjustment tank (14) have all been seted up perpendicularly to cambered surface base plate (3) both sides, the upper end setting of depression bar (12) is in adjustment tank (14), the top of adjusting pole one (9) and adjusting pole two (10) all is connected with back and draws spring (15), the upper end of back and drawing spring (15) is connected with cambered surface base plate (3) bottom.

2. The furniture chassis of a piece of seating and reclining furniture according to claim 1, wherein: the rubber shock insulator (4) is provided with a plurality of layers and is of a corrugated structure as a whole.

3. The furniture chassis of a piece of seating and reclining furniture according to claim 1, wherein: both ends machine-shaping of cambered surface base plate (3) has bearing roller (16) and inside holding tank (17) of having seted up, evenly install a plurality of groups stiffening rod (18) in holding tank (17), adjacent two sets of stiffening rod (18) are triangle column structure.

4. The furniture chassis of a reclining and seating furniture of claim 3, wherein: the cambered surface base plate (3) bottom has evenly seted up a plurality of groups bleeder vent (19), bleeder vent (19) are linked together with holding tank (17), still fill in holding tank (17) has active carbon (20).

5. The furniture chassis of a reclining and seating furniture of claim 3, wherein: the surface of the pressure-bearing roller (16) is wrapped with a rubber pad (21), a plurality of groups of anti-slip strips (22) are formed on the surface of the rubber pad (21) in a machining mode, and a plurality of groups of anti-slip lugs (23) are formed on the surface of each anti-slip strip (22) in an even machining mode.

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