CN112545243A

CN112545243A - Multifunctional household bed

Info

Publication number: CN112545243A
Application number: CN202011529893.0A
Authority: CN
Inventors: 蒙建国; 谭心; 邵嘉琪; 解文霞; 王斌; 马鑫; 连浩东; 李卓; 王晓龙; 贾振宇
Original assignee: Inner Mongolia University of Science and Technology
Current assignee: Inner Mongolia University of Science and Technology
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-03-26
Anticipated expiration: 2040-12-22
Also published as: CN112545243B

Abstract

The invention discloses a multifunctional household bed, which relates to the field of furniture and mainly comprises a bed frame, a lifting storage cabinet, a deformable sofa, a movable tea table, a deformable chair and a lifting table; the household bed firstly realizes the sofa leisure function, can be transformed into a sofa-shaped leisure area by utilizing the space of the bed tail, and is additionally provided with a matched movable tea table; the movable tea table can be hidden under the sofa when not used; in addition, a lifting storage cabinet is further added, so that an article storage function is added; a deformation chair and a lifting table are additionally arranged, so that a learning space is formed; the actual size of the household bed is about 2m by 2.5m, and the occupied area is about 5 square meters; a large amount of furniture is integrated in a small space, the space utilization rate is greatly improved on the premise of meeting the comfort, a user is helped to effectively manage and utilize the limited living space, and the home bed can be used for home life in narrow and small spaces such as a small room.

Description

Multifunctional household bed

Technical Field

The invention relates to the field of furniture, in particular to a multifunctional household bed.

Background

With the continuous development of economy in China, the economic difference between cities is larger and larger. The cities with strong economic strength such as the first-line cities are full of people, and the cities with strong economic strength such as the first-line cities control the population number to increase so as to relieve the urban resource shortage caused by the sudden increase of the population. The housing problem is more prominent, and the house renting price is longer and higher under the drive of high house price. In this case, there are also groups such as "worm dwelling" and "ant dwelling", and the living space per capita is small, so that it is necessary to improve the existing space utilization. The existing bed can only be used for sleeping or resting, and the inherent functions of the existing bed cannot meet the practical requirements of multiple functions in a small space under the condition of limited living space.

Disclosure of Invention

The invention aims to provide a multifunctional household bed, which meets other daily activities except sleeping and resting by performing diversified deformation design on the bed and redistributing the occupied space of the original bed.

The technical scheme adopted by the invention is as follows: a multifunctional household bed comprises a bed frame, wherein the bed frame comprises a box type bed screen and a bed box, and the bed screen is arranged on one side of a bed head of the bed box; the bed box comprises a bed tail plate, a bed side plate, a bed bottom box and a bed top plate, and one side of the bed side plate, which is opposite to the bed side plate, is opened to form a bed hole; a middle clapboard and a partition board are also arranged in the bed box and below the bed top plate, the middle clapboard is parallel to the bed tail plate and divides the internal space of the bed box into a head box and a tail box, and the partition board is arranged in the head box and is parallel to the bed side plate and further divides the head box into a storage cavity and a seat cavity;

the bed top plate comprises a first bed plate block and a second bed plate block on one side of the bed screen, a third bed plate block and a fourth bed plate block on one side of the bed tail plate, a fifth bed plate block is arranged between the first bed plate block and the third bed plate block, and a sixth bed plate block is arranged between the second bed plate block and the fourth bed plate block; the first bed plate block, the third bed plate block and the fifth bed plate block are positioned on one side of the bed side plate, and the second bed plate block, the fourth bed plate block and the sixth bed plate block are positioned on one side of the bed hole; the first bed plate block covers the storage cavity, the second bed plate block and the sixth bed plate block cover the seat cavity, the third bed plate block and the fourth bed plate block cover the tailstock, and the fifth bed plate block is fixed on the middle partition plate; mattresses are fixed on the upper surfaces of the six bed boards;

the third bed plate block and the fourth bed plate block above the bed tail box can be changed into a deformable sofa; the sofa seat surface of the deformable sofa is a fourth bed plate block, the sofa backrest of the deformable sofa is a third bed plate block, and the third bed plate block and the fourth bed plate block are converted into a sofa shape through a sofa conversion device; the sofa changing device comprises a sofa backrest upturning device and a sofa seat surface moving device;

the sofa seat surface moving device comprises two first linear rails, four first sliding blocks, two first bearing seats, a first transmission rod, two first gears, two first racks, a worm wheel and a worm; two first linear rails are symmetrically arranged in the bed tail box, on the bed tail plate and on the upper part of the middle partition plate, two first sliding blocks are respectively arranged on two sides of the surface of the sofa seat and are in sliding connection with the first linear rails on the two sides; two first bearing seats are symmetrically arranged on the lower surface of the sofa seat surface, a first transmission rod penetrates through the two first bearing seats, one end of the first transmission rod extends to the bed tail plate, a first gear is fixedly arranged at the end of the first transmission rod, and the first gear is meshed with a first rack arranged on the bed tail plate; the other end of the first transmission rod extends to the middle partition plate, a first gear is fixedly installed at the end head of the first transmission rod, and the first gear is meshed with a first rack installed on the middle partition plate; a worm wheel is coaxially arranged in the middle of the first transmission rod; the lower surface of the sofa seat surface is also provided with a second speed reducing motor, a driving shaft of the second speed reducing motor is provided with a worm, and the worm is matched with a worm wheel in the middle of the first transmission rod;

the sofa backrest upturning device comprises two second linear rails, two second racks, two second sliding blocks, two backrest support rods, two 360-degree continuous rotation steering engines, two second gears and two third sliding blocks; two second linear rails are vertically and symmetrically arranged on the bed side plate, a second rack is respectively arranged on the outer sides of the two second linear rails in parallel, a second sliding block is arranged on each second linear rail in a sliding mode, a vertical backrest supporting rod is respectively arranged on one side, facing the bed hole, of the two second sliding blocks, the lower end of each backrest supporting rod is fixedly connected with the corresponding second sliding block, the upper end of each backrest supporting rod is rotatably connected with a second connecting piece on the lower surface of the sofa backrest, and the two second connecting pieces are symmetrically arranged on one side, close to the bed side plate, of the lower surface of the third bed plate block; the side surfaces of the two second sliding blocks are respectively provided with a steering engine, a driving shaft of each steering engine is provided with a second gear, and the second gear is meshed with a second rack at a corresponding position; two third sliding blocks are symmetrically arranged on the left side and the right side of the sofa backrest and on the side far away from the bed side plate, the two third sliding blocks are respectively connected onto the first linear track in a sliding mode, and the sofa backrest is rotatably connected with the two third sliding blocks.

Furthermore, the multifunctional household bed also comprises a movable tea table which can move in a bed tail box below the bed top plate; the movable tea table comprises a tea table body and a moving device, wherein the tea table body comprises a table top plate, four support legs are arranged at four corners of the lower surface of the table top plate, rollers are arranged on the four support legs, and a lower partition plate is arranged below the table top plate in parallel and is fixedly connected with the four support legs; two synchronous transmission parts are symmetrically arranged on the left side and the right side of the lower surface of the lower partition plate; the moving device comprises two steel shafts, namely a fourth steel shaft and a fifth steel shaft, a third speed reducing motor, four synchronous wheels and two synchronous belts; the moving device is arranged in the bed bottom box; two parallel first sliding grooves are formed in the bed bottom box and are parallel to the bed tail plate; two steel shafts are vertically arranged at two ends of the two first sliding grooves through bearing seats, two synchronous wheels are respectively arranged on the two steel shafts, and two parallel synchronous belts are arranged between the two steel shafts; the two synchronous belts are positioned below the two first sliding grooves; one end of one steel shaft is connected with a third speed reducing motor; two synchronous transmission spare of baffle lower surface pass first spout and hold-in range fixed connection under the tea table body.

Further, a lifting storage cabinet is arranged in the storage cavity of the multifunctional household bed; the lifting storage cabinet comprises a cabinet body and a lifting mechanism; the cabinet body comprises a cabinet bottom plate, four supporting columns and a first bed board block which is used as a cabinet top plate; the cabinet bottom plate and the cabinet top plate are arranged in parallel up and down, and four corners of the cabinet bottom plate and the cabinet top plate are connected by four support columns; the lifting mechanism comprises three steel shafts, a vertical bearing seat, a first speed reducing motor, a bevel gear, a supporting plate, a screw rod, a worm wheel, a worm and a screw rod nut; the three steel shafts are respectively a first steel shaft, a second steel shaft and a third steel shaft, the three steel shafts are arranged at the bottom of the storage cavity in a shape like a Chinese character 'ji', wherein the first steel shafts are arranged at the inner side of the bed screen in parallel, one end of each first steel shaft is vertically and rotatably connected to a bearing seat at the inner side of a side plate of the bed, and the other end of each first steel shaft is connected with a first speed reducing motor on the partition plate through an elastic coupling; two bevel gears are symmetrically arranged on two sides of the first steel shaft by the center of the first steel shaft, and the two bevel gears and the first steel shaft synchronously rotate; the second steel shaft and the third steel shaft are arranged perpendicular to the first steel shaft, wherein the second steel shaft is positioned on one side of the bed side plate, and a bevel gear is arranged at the end, connected with the first steel shaft, of the second steel shaft and meshed with the bevel gear of the first steel shaft; the other end of the second steel shaft is vertically and rotatably connected to a bearing seat of the middle partition plate; the third steel shaft is the same as the second steel shaft in connection structure, is positioned on one side of the partition plate, and is provided with a bevel gear at the connection end with the first steel shaft and is meshed with the other bevel gear of the first steel shaft; a support foot plate is further arranged between the third steel shaft and the second steel shaft in a penetrating manner, and a bearing is arranged in a through hole on the support foot plate and used for supporting the third steel shaft and the second steel shaft; four lead screws are vertically arranged on four corners of the second steel shaft and the third steel shaft, the lead screws are rotatably arranged in a vertical bearing seat on the inner wall of the storage cavity, a worm wheel which synchronously rotates is coaxially arranged at the lower part of each lead screw, two worms are respectively arranged at corresponding positions on the third steel shaft and the second steel shaft, and the worm wheel and the worm are matched to synchronously drive the four lead screws to rotate; four lead screws penetrate through four lead screw nuts on the cabinet bottom plate.

Further, the multifunctional household bed also comprises a deformation chair, wherein the deformation chair comprises a stool plate, a chair back, chair legs, a supporting bottom plate and a chair deformation device; the stool plate is a second bed plate block, and the chair back is a sixth bed plate block; the joint of the stool plate and the chair back is connected by a hinge, the left front corner of the lower surface of the stool plate is provided with chair legs, and the bottom ends of the chair legs are provided with rollers; a support bottom plate is arranged on the lower surface of the chair back, the right side of the support bottom plate is fixedly connected with the middle partition plate, and the rear side of the support bottom plate is fixedly connected with the partition plate; a second sliding groove which penetrates through the left side and the right side is formed in the middle of the supporting bottom plate, two first moving grooves which penetrate through the right side are symmetrically formed in two sides of the second sliding groove, and two second moving grooves are formed in the chair back corresponding to the two first moving grooves; three communicating grooves which are communicated with each other are arranged on the middle partition plate corresponding to the second sliding groove and the two first moving grooves; the chair deformation device comprises a chair back upturning device and a stool plate traversing device; the chair back upturning device comprises two chair back support rods and a chair back overturning shaft, the chair back overturning shaft is arranged in a communication groove on the middle partition plate, the lower ends of the two chair back support rods are rotatably arranged on the chair back overturning shaft, and the upper ends of the two chair back support rods are hinged in a second moving groove on the chair back; when the chair back is horizontally placed, an obtuse angle is formed between the chair back and the two chair back support rods; the stool plate traversing device is a geneva mechanism and comprises a slotted rack fixedly arranged in the center of the lower surface of the stool plate and a transmission device arranged on a support bottom plate; the slotted rack can move in a second sliding groove in the center of the supporting base plate, and continuous semicircular grooves and rectangular grooves are formed in the slotted rack and are arranged at intervals; the transmission device comprises a fourth stepping motor and a cam; the fourth stepping motor is arranged on the lower surface of the supporting bottom plate and located on one side of the slotted rack, a cam is arranged on a driving shaft of the fourth stepping motor, a round pin and a semicircular lock which are matched with the slotted rack and are opposite in position are arranged on the front side surface of the cam, the round pin is cylindrical, and the semicircular lock is semicircular; the fourth stepping motor drives the cam to rotate, and the round pin and the semicircular lock on the cam drive the slotted rack to move and position.

Furthermore, the multifunctional household bed also comprises a lifting table, and the lifting table is hidden in the seat cavity and positioned below the second bed plate block when not in use; the lifting table comprises a table plate and a lifting device; the table plate is arranged on the bed screen, two vertical third sliding grooves are formed in the bed screen, two sliding connecting parts are arranged on the connecting edges of the table plate and the bed screen, and the two sliding connecting parts penetrate through the third sliding grooves to enter the bed screen; the lifting device is a screw rod lifting mechanism, is arranged in the bed screen, and comprises a fourth speed reducing motor, a sixth steel shaft, a worm, a screw rod, a worm wheel, a vertical bearing seat and a screw rod nut; the fourth speed reducing motor is arranged at the inner lower part of the bed screen and is connected with a transverse sixth steel shaft through an elastic coupling, the other end of the sixth steel shaft is rotatably arranged in a bearing seat, two worms are coaxially arranged on the sixth steel shaft, two vertical lead screws are arranged at the positions of the two worms, each lead screw is fixed on the bed screen through two vertical bearing seats, and a worm wheel is arranged at the lower end of each lead screw and is matched with the worm to transmit power; the two sliding connection parts on the table plate are penetrated by the screw rod, and a screw rod nut is arranged at the penetrating through hole to be matched with the screw rod.

The invention has the beneficial effects that: the household bed firstly realizes the sofa leisure function, can be transformed into a sofa-shaped leisure area by utilizing the space of the bed tail, and is additionally provided with a matched movable tea table; the movable tea table can be hidden under the sofa when not used; in addition, a lifting storage cabinet is further added, so that an article storage function is added; a deformation chair and a lifting table are additionally arranged, so that a learning space is formed; the actual size of the household bed is about 2m by 2.5m, and the occupied area is about 5 square meters; a large amount of furniture is integrated in a small space, so that the space utilization rate is greatly improved on the premise of meeting the comfort, and a user is helped to effectively manage and utilize the limited living space; the household bed can be used for household life in narrow spaces such as small rooms.

Drawings

Fig. 1 is a schematic view of a household bed in a use state as a bed according to an embodiment.

Fig. 2 is a schematic view of a household bed in a use state according to the embodiment.

Fig. 3 is a diagram showing the internal structure of the household bed according to the embodiment after the top plate of the bed is removed.

FIG. 4 is a view showing the up-down cabinet installed in the storage chamber.

FIG. 5 is a view showing the detailed structure of the lifting cabinet.

Fig. 6 is a display view of the deformed home bed of the embodiment.

Fig. 7 is a structural display diagram one of the modified sofa.

Fig. 8 is a structural display view two of the modified sofa.

Fig. 9 is a third structural display view of the modified sofa.

Fig. 10 is a first structural view of the moving device of the moving tea table.

Fig. 11 is a second structural view of the moving device of the moving tea table.

Fig. 12 is a first structural display diagram of the chair.

Fig. 13 is a structural display view two of the chair.

Fig. 14 is a structural display view three of the chair.

Fig. 15 is a structural display diagram four of the chair.

Fig. 16 is a structural display diagram five of the chair.

Fig. 17 is a structural display view six of the chair.

Figure 18 is a transmission change demonstration state 1 in the convertible chair.

Figure 19 is a transmission change demonstration state 2 in the convertible chair.

Figure 20 shows the transmission change demonstration state 3 in the convertible chair.

Fig. 21 shows the transmission change demonstration state 4 in the convertible chair.

Fig. 22 is a schematic view of the lifting device of the lifting table.

In the figure: bed screen 1, bed box 2, bed tail plate 2.1, bed side plate 2.2, bed bottom box 2.3, bed top plate 2.4, first bed plate 2.4.1, second bed plate 2.4.2, third bed plate 2.4.3, fourth bed plate 2.4.4, fifth bed plate 2.4.5, sixth bed plate 2.4.6, bed hole 2.5, middle partition plate 2.6, partition plate 2.7, bed tail box 2.8, storage chamber 2.9, seat chamber 3, cabinet bottom plate 4.1, support column 4.2, cabinet top plate 4.3, first sofa steel shaft 5.1, second steel shaft 5.2, third steel shaft 5.3, first speed reducing motor 5.4, bevel gear 5.5, support 5.6, vertical bearing seat 6, screw rod 7, worm wheel 8, worm 9, nut 10, seat surface 11, back track 12, first linear track 12.1, first linear track 13.4, first linear track 14.14, first linear track 14.2, first linear track 14.3, first linear track 14.4, second linear track 14, second linear track 14.2, second linear track 14.3, second linear track 13.4, second linear track 13.6, 14.5 of a steering engine, 14.6 of a second gear, 14.7 of a third slider, 14.8 of a second connecting piece, 15 of a tea table body, 15.1 of a table top plate, 15.2 of a supporting leg, 15.3 of a roller, 15.4 of a lower partition plate, 15.5 of a synchronous transmission piece, 16.1 of a fourth steel shaft, 16.2 of a fifth steel shaft, 16.3 of a third speed reducing motor, 16.4 of a synchronous wheel, 16.5 of a synchronous belt, 16.6 of a first sliding groove, 17 of a seat stool plate, 18 of a chair back, a hinge 19, a chair foot 20, a supporting bottom plate 21, 21.1 of a second sliding groove, 21.2 of a first moving groove, 21.3 of a second moving groove, 21.4 of a communication groove, 22 of a supporting rod of the chair back, 23 of a turnover shaft of the chair back, 24 of a slotted rack, 24.1 of a semicircular groove, 24.2 of a rectangular groove, 25 of a fourth stepping motor, 26, 26.1 of a round pin, 26.2 of a semicircular lock, 27 of a table plate, 27..

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solution of the present invention and are not limited.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Examples

A multifunctional household bed comprises a bed frame, a lifting storage cabinet, a deformable sofa, a movable tea table, a deformable chair and a lifting table.

As shown in fig. 1 and 2, the household bed is used as a bed; the bed frame comprises a box type bed screen 1 and a bed box 2; the bed screen 1 is arranged on one side of the bed head of the bed box 2, the bed box 2 comprises a bed tail plate 2.1, a bed side plate 2.2, a bed bottom box 2.3 and a bed top plate 2.4 formed by splicing a plurality of bed plate blocks, and one side, opposite to the bed side plate 2.2, of the bed side plate is opened to form a bed hole 2.5 (as shown in figure 2); as shown in fig. 3, a middle partition plate 2.6 and a partition plate 2.7 are further installed in the bed box 2 and below the bed top plate 2.4, the middle partition plate 2.6 is parallel to the bed tail plate 2.1 and divides the internal space of the bed box 2 into a head box and a tail box 2.8, the partition plate 2.7 is installed in the head box and is parallel to the bed side plate 2.2 and further divides the head box into a storage cavity 2.9 and a seat cavity 3;

as shown in fig. 1, the bed top plate 2.4 specifically includes a first bed plate block 2.4.1 and a second bed plate block 2.4.2 on one side of the bed screen 1, a third bed plate block 2.4.3 and a fourth bed plate block 2.4.4 on one side of the bed tail plate 2.1, a fifth bed plate block 2.4.5 is further arranged between the first bed plate block 2.4.1 and the third bed plate block 2.4.3, and a sixth bed plate block 2.4.6 is further arranged between the second bed plate block 2.4.2 and the fourth bed plate block 2.4.4; the first bed plate block 2.4.1, the third bed plate block 2.4.3 and the fifth bed plate block 2.4.5 are positioned on one side of the bed side plate 2.2, and the second bed plate block 2.4.2, the fourth bed plate block 2.4.4 and the sixth bed plate block 2.4.6 are positioned on one side of the bed hole 2.5; as shown in fig. 3, the first bed plate 2.4.1 covers the storage cavity 2.9, the second bed plate 2.4.2 and the sixth bed plate 2.4.6 cover the seat cavity 3, the third bed plate 2.4.3 and the fourth bed plate 2.4.4 cover the tailstock 2.8, and the fifth bed plate 2.4.5 is fixed on the middle partition plate 2.6; mattresses (not shown) are fixed on the upper surfaces of the six bed boards.

As shown in fig. 4 and 5, the lifting storage cabinet is arranged in the storage cavity 2.9, and comprises a cabinet body and a lifting mechanism; in the embodiment, the cabinet body comprises a cabinet bottom plate 4.1, four support columns 4.2 and a first bed board block 2.4.1 as a cabinet top plate 4.3; the cabinet bottom plate 4.1 and the cabinet top plate 4.3 are arranged in parallel up and down, and four corners between the two are connected by four support columns 4.2;

the lifting mechanism comprises three steel shafts, a vertical bearing seat 6, a first speed reduction motor 5.4, a bevel gear 5.5, a support leg plate 5.6, a screw rod 7, a worm wheel 8, a worm 9 and a screw rod nut 10;

the three steel shafts are respectively a first steel shaft 5.1, a second steel shaft 5.2 and a third steel shaft 5.3, the three steel shafts are arranged at the bottom in the storage cavity 2.9 in a shape like a Chinese character 'ji', wherein the first steel shaft 5.1 is arranged at the inner side of the bed screen 1 in parallel, one end of the first steel shaft 5.1 is vertically and rotatably connected to a bearing seat at the inner side of the bed side plate 2.2, and the other end is connected with a first speed reducing motor 5.4 on the partition plate 2.7 through an elastic coupling; two bevel gears 5.5 are symmetrically arranged on two sides of the first steel shaft 5.1 by the center of the first steel shaft 5.1, and the two bevel gears 5.5 and the first steel shaft 5.1 synchronously rotate; the second steel shaft 5.2 and the third steel shaft 5.3 are arranged perpendicular to the first steel shaft 5.1, wherein the second steel shaft 5.2 is positioned at one side of the bed side plate 2.2, a bevel gear 5.5 is arranged at the connecting end of the second steel shaft 5.2 and the first steel shaft 5.1 and is meshed with the bevel gear 5.5 of the first steel shaft 5.1, so that double-shaft synchronous transmission is realized; the other end of the second steel shaft 5.2 is vertically and rotatably connected to a bearing seat of the middle clapboard 2.6; the third steel shaft 5.3 is the same as the second steel shaft 5.2 in connection structure, is positioned at one side of the partition plate 2.7, is provided with a bevel gear 5.5 at the connection end with the first steel shaft 5.1, and is meshed with another bevel gear 5.5 of the first steel shaft 5.1 to realize double-shaft synchronous transmission; a supporting foot plate 5.6 is also arranged between the third steel shaft 5.3 and the second steel shaft 5.2 in a penetrating way, and a bearing is arranged in a through hole on the supporting foot plate 5.6 and used for supporting the third steel shaft 5.3 and the second steel shaft 5.2; four lead screws 7 are vertically arranged at four corners of a second steel shaft 5.3 and four corners of a third steel shaft 5.3, the lead screws 7 are rotatably arranged in vertical bearing seats 6 on the inner wall of a storage cavity 2.9, a worm wheel 8 which rotates synchronously is coaxially arranged at the lower part of each lead screw 7, two worms 9 are respectively arranged at corresponding positions on the third steel shaft 5.3 and the second steel shaft 5.2, and the worm wheels 8 and the worms 9 are matched with each other to synchronously drive the four lead screws 7 to rotate; the four screw rods 7 penetrate through four screw rod nuts 10 on the cabinet bottom plate 4.1;

the lifting storage cabinet is driven by the first speed reduction motor 5.4 to realize lifting of the storage cabinet, and is mainly used for storing bedding, and the bedding can not be interfered when the household bed is changed into other furniture forms.

As shown in fig. 6-9, which are structural illustrations of the convertible sofa, the sofa seat surface 11 of the convertible sofa is the fourth bed plate block 2.4.4, the sofa backrest 12 of the convertible sofa is the third bed plate block 2.4.3, and the third bed plate block 2.4.3 and the fourth bed plate block 2.4.4 are converted into a sofa shape by the sofa conversion device; the sofa changing device comprises a sofa backrest upturning device and a sofa seat surface moving device;

as shown in fig. 7, 8 and 9, the sofa seat surface moving device includes two first linear rails 13.1, four first sliders 13.2, two first bearing seats 13.3, a first transmission rod 13.4, two first gears 13.5, two first racks 13.6, a worm wheel 8 and a worm 9; as shown in fig. 8, two first linear rails 13.1 are symmetrically installed on the upper portions of the bed tail box 2.8, the bed tail plate 2.1 and the middle partition plate 2.6, and two first sliding blocks 13.2 are respectively installed on two sides of the sofa seat surface 11 and are connected with the first linear rails 13.1 on the two sides in a sliding manner; two first bearing seats 13.3 are symmetrically arranged on the lower surface of the sofa seat surface 11, a first transmission rod 13.4 penetrates through the two first bearing seats 13.3, one end of the first transmission rod extends to the bed tail plate 2.1, a first gear 13.5 is fixedly arranged at the end of the first transmission rod, and the first gear 13.5 is meshed with a first rack 13.6 arranged on the bed tail plate 2.1; the other end of the first transmission rod 13.4 extends to the middle partition board 2.6, a first gear 13.5 is fixedly arranged at the end head, and the first gear 13.5 is meshed with a first rack 13.6 arranged on the middle partition board 2.6; as shown in fig. 9, a worm wheel 8 is coaxially arranged in the middle of the first transmission rod 13.4; the lower surface of the sofa seat surface 11 is also provided with a second speed reducing motor 13.7, a driving shaft of the second speed reducing motor 13.7 is provided with a worm 9, and the worm 9 is matched with a worm wheel 8 in the middle of the first transmission rod 13.4; the second speed reducing motor 13.7 drives the first transmission rod 13.4 to move on the rack through the worm wheel 8 and the worm 9, so that the automatic contraction and positioning of the sofa seat surface 11 are realized;

as shown in fig. 7, the sofa backrest upturning device comprises two second linear rails 14.1, two second racks 14.2, two second sliders 14.3, two backrest support rods 14.4, two 360-degree continuous rotation steering engines 14.5, two second gears 14.6 and two third sliders 14.7;

the two second linear rails 14.1 are vertically and symmetrically arranged on the bed side plate 2.2, a second rack 14.2 is arranged on the outer side of each second linear rail 14.1 in parallel, a second sliding block 14.3 is arranged on each second linear rail 14.1 in a sliding manner, a vertical backrest support rod 14.4 is arranged on one side, facing the bed hole 2.5, of each second sliding block 14.3, the lower end of each backrest support rod 14.4 is fixedly connected with the second sliding block 14.3, the upper end of each backrest support rod is rotatably connected with a second connecting piece 14.8 on the lower surface of the sofa backrest 12, and the two second connecting pieces 14.8 are symmetrically arranged on one side, close to the bed side plate 2.2, of the lower surface of the third bed plate 2.4.3; the side surfaces of the two second sliding blocks 14.3 are respectively provided with a steering engine 14.5, a second gear 14.6 is arranged on a driving shaft of each steering engine 14.5, and the second gear 14.6 is meshed with a second rack 14.2 at a corresponding position; two third sliding blocks 14.7 are symmetrically arranged on the left side and the right side of the sofa backrest 12 and the side far away from the bed side plate 2.2, the two third sliding blocks 14.7 are respectively connected on the first linear track 13.1 in a sliding way, and the sofa backrest 12 is rotationally connected with the two third sliding blocks 14.7;

the steering engine 14.5 drives the second gear 14.6 to slide up and down along the second rack 14.2, so as to drive the backrest support rod 14.4 to lift, and the sofa backrest 12 is jacked up or pulled back in the lifting process of the backrest support rod 14.4, so that the sofa backrest 12 is turned up and down;

the deformation process of the sofa is that the sofa backrest 12 is turned up, and then the sofa seat surface 11 moves towards the side of the sofa backrest 12, so as to deform into the sofa shape shown in fig. 6.

As shown in fig. 6, the movable tea table is designed as a further functional complement of the household bed of the present invention, and functions as a table for placing articles in front of the convertible sofa, the height of the movable tea table is less than the height of the bed top plate 2.4, and the movable tea table can move in the tail box 2.8 under the bed top plate 2.4;

specifically, the movable tea table comprises a tea table body 15 and a moving device, wherein the tea table body 15 comprises a table top plate 15.1, four support legs 15.2 are arranged at four corners of the lower surface of the table top plate 15.1, rollers 15.3 are arranged on the four support legs 15.2, and a lower partition plate 15.4 is arranged below the table top plate 15.1 in parallel and is fixedly connected with the four support legs 15.2; as shown in fig. 11, two synchronous transmission pieces 15.5 are symmetrically arranged on the left and right sides of the lower surface of the lower partition plate 15.4;

as shown in fig. 10, the moving device includes two steel shafts, a fourth steel shaft 16.1 and a fifth steel shaft 16.2, a third speed reduction motor 16.3, four synchronous wheels 16.4, and two synchronous belts 16.5; the moving device is arranged in the bed bottom box 2.3; as shown in fig. 6, two parallel first chutes 16.6 are formed in the bed bottom box 2.3, and the first chutes 16.6 are parallel to the bed tail plate 2.1; as shown in fig. 10, two steel shafts are vertically installed at two ends of two first chutes 16.6 through bearing seats, two synchronizing wheels 16.4 are respectively installed on the two steel shafts, and two parallel synchronizing belts 16.5 are installed between the two steel shafts; the two synchronous belts 16.5 are positioned below the two first sliding chutes 16.6; one end of one of the steel shafts is connected with a third speed reducing motor 16.3; as shown in fig. 11, two synchronous transmission pieces 15.5 on the lower surface of the lower partition plate 15.4 of the tea table body 15 penetrate through the first chute 16.6 to be fixedly connected with the synchronous belt 16.5;

a third speed reducing motor 16.3 drives the two steel shafts and a synchronous belt 16.5 on the steel shafts to transmit, a synchronous transmission piece 15.5 fixedly connected with the synchronous belt 16.5 drives the tea table body 15 to move along a first sliding chute 16.6, and the tea table body 15 moves towards one side of a bed side plate 2.2 and is hidden under the deformed sand; the tea table body 15 can be moved out or hidden under the deformed sofa according to the requirement.

As shown in figures 12-16, the invention further adds a deformation chair and a lifting table for learning;

the deformable chair comprises a chair plate 17, a chair back 18, chair legs 20, a supporting bottom plate 21 and a chair deformation device;

as shown in fig. 12, 13 and 14, the stool plate 17 is a second bed plate 2.4.2, and the chair back 18 is a sixth bed plate 2.4.6; the joint of the stool plate 17 and the chair back 18 is connected by a hinge 19, the left front corner of the lower surface of the stool plate 17 is provided with chair feet 20, and the bottom ends of the chair feet 20 are provided with rollers; a support bottom plate 21 is arranged on the lower surface of the chair back 18, as shown in fig. 14, the right side of the support bottom plate 21 is fixedly connected with the middle partition plate 2.6, and the rear side is fixedly connected with the partition plate 2.7; a second sliding groove 21.1 penetrating through the left side and the right side is formed in the middle of the supporting bottom plate 21, two first moving grooves 21.2 penetrating through the right side are symmetrically formed in two sides of the second sliding groove 21.1, and two second moving grooves 21.3 are formed in the chair back 18 corresponding to the two first moving grooves 21.2; as shown in fig. 13, three communicating grooves 21.4 are provided on the middle partition plate 2.6 corresponding to the second sliding grooves 21.1 and the two first moving grooves 21.2;

the chair deformation device comprises a chair back upturning device and a stool plate traversing device; as shown in fig. 13 and 16, the backrest 18 upturning device comprises two backrest support rods 22 and a backrest turning shaft 23, the backrest turning shaft 23 is installed in a communication groove 21.4 on the middle partition plate 2.6, the lower ends of the two backrest support rods 22 are rotatably installed on the backrest turning shaft 23, and the upper ends of the two backrest support rods are hinged in a second moving groove 21.3 on the backrest 18; as shown in fig. 17, the backrest 18 is horizontally disposed at an obtuse angle to the two backrest support bars 22;

as shown in fig. 16, 17 and 18, the stool plate 17 traversing device is a geneva mechanism, and comprises a slotted rack 24 fixedly arranged at the center of the lower surface of the stool plate 17 and a transmission device arranged on a support bottom plate 21;

the slotted rack 24 can move in a second sliding groove 21.1 in the center of the supporting bottom plate 21, the slotted rack 24 is provided with a continuous semicircular groove 24.1 and a continuous rectangular groove 24.2, and the semicircular groove 24.1 and the rectangular groove 24.2 are arranged at intervals (as shown in fig. 18);

as shown in fig. 16 and 18, the transmission device includes a fourth stepping motor 25, a cam 26; the fourth stepping motor 25 is arranged on the lower surface of the supporting bottom plate 21 and located on one side of the slotted rack 24, a cam 26 is arranged on a driving shaft of the fourth stepping motor 25, a round pin 26.1 and a semicircular lock 26.2 which are matched with the slotted rack 24 and are opposite in position are arranged on the front side surface of the cam 26, the round pin 26.1 is cylindrical, and the semicircular lock 26.2 is semicircular; the fourth stepping motor 25 drives the cam 26 to rotate, and the round pin 26.1 and the semicircular lock 26.2 on the cam 26 drive the slotted rack 24 to move and position; which is divided into 5 states, as shown in figures 18-21,

in the state 1, as shown in fig. 18, the round pin 26.1 does not enter the rectangular groove 24.2, the semicircular lock 26.2 is in the semicircular groove 24.1, and the slotted rack 24 is locked by the semicircular lock 26.2;

state 2, as shown in fig. 19, the round pin 26.1 enters the rectangular slot 24.2, and the half-round lock 26.2 partially comes out of the half-round slot 24.1;

in the state 3, as shown in fig. 20, the semicircular lock 26.2 completely comes out of the semicircular groove 24.1, and the round pin 26.1 drives the rack to move;

state 4, as shown in fig. 21, the round pin 26.1 rotates out of the rectangular groove 24.2, and the semicircular lock 26.2 enters the semicircular groove 24.1 again;

state 5 is the same as state 1;

when the cam 26 rotates, when the round pin 26.1 does not enter the rectangular groove 24.2, the semicircular lock 26.2 enters the semicircular groove 24.1 of the slotted rack 24, and the slotted rack 24 is fixed by the semicircular lock 26.2; when the round pin 26.1 enters the rectangular groove 24.2 to stir the slotted rack 24 to move, the semicircular lock 26.2 rotates to a locking position (out of the semicircular groove 24.1), so that the automatic deformation of the deformation chair and the front and back position adjustment and locking of the chair are realized.

As shown in fig. 2, 6 and 22, the lifting table is hidden in the seat cavity 3 and positioned below the second bed board block 2.4.2 when not in use; the lifting table comprises a table plate 27 and a lifting device; as shown in fig. 6, the table plate 27 is mounted on the bed screen 1, the bed screen 1 is provided with two vertical third sliding chutes 27.2, two sliding connection portions 27.1 are arranged on the connecting edge of the table plate 27 and the bed screen 1, and the two sliding connection portions 27.1 pass through the third sliding chutes 27.2 to enter the bed screen 1;

as shown in fig. 22, the lifting device is a screw lifting mechanism, is installed in the bed screen 1, and includes a fourth speed reduction motor 28, a sixth steel shaft 29, a worm 9, a screw 7, a worm wheel 8, a vertical bearing seat 6, and a screw nut 10; the fourth speed reducing motor 28 is arranged at the inner lower part of the bed screen 1 and is connected with a transverse sixth steel shaft 29 through an elastic coupling, the other end of the sixth steel shaft 29 is rotatably arranged in a bearing seat, two worms 9 are coaxially arranged on the sixth steel shaft 29, two vertical lead screws 7 are arranged at the positions of the two worms 9, each lead screw 7 is fixed on the bed screen 1 through two vertical bearing seats 6, a worm wheel 8 is arranged at the lower end of each lead screw 7, and the worm wheel 8 is matched with the worm 9 to transmit power; the two sliding connection parts 27.1 on the desk plate 27 are penetrated by the screw rod 7, and the screw rod nut 10 is arranged at the penetrating through hole to be matched with the screw rod 7;

the fourth speed reducing motor 28 drives the sixth steel shaft 29 to rotate, and the worm 9 and the sixth steel shaft 29 are fixed to rotate; the worm 9 and the worm wheel 8 drive power to realize synchronous transmission of the motor to the two screw rods 7, and the self-locking function is achieved. The table plate 27 is connected with the two lead screw nuts 10, and the lead screw nuts 10 move along with the rotation of the lead screw 7, so that the lifting of the table plate 27 is realized.

The multifunctional household bed firstly realizes the sofa leisure function, can be transformed into a sofa-shaped leisure area by utilizing the space at the tail of the bed, and is additionally provided with a matched movable tea table; the movable tea table can be hidden under the sofa when not used; in addition, a lifting storage cabinet is further added, so that an article storage function is added; a deformation chair and a lifting table are additionally arranged, so that a learning space is formed; the actual size of the household bed is about 2m by 2.5m, and the occupied area is about 5 square meters; a large amount of furniture is integrated in a small space, the space utilization rate is greatly improved on the premise of meeting the comfort, a user is helped to effectively manage and utilize the limited living space, and the home bed can be used for home life in narrow and small spaces such as a small room.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to one skilled in the art that various changes in the embodiments and/or modifications of the embodiments and/or portions thereof may be made, and all changes, equivalents, and modifications that fall within the spirit and scope of the invention are therefore intended to be embraced by the appended claims.

Claims

1. A multifunctional household bed comprises a bed frame, wherein the bed frame comprises a box type bed screen and a bed box, and the bed screen is arranged on one side of a bed head of the bed box; the bed is characterized in that the bed box comprises a bed tail plate, a bed side plate, a bed bottom box and a bed top plate, wherein one opposite side of the bed side plate is opened to form a bed hole; a middle clapboard and a partition board are also arranged in the bed box and below the bed top plate, the middle clapboard is parallel to the bed tail plate and divides the internal space of the bed box into a head box and a tail box, and the partition board is arranged in the head box and is parallel to the bed side plate and further divides the head box into a storage cavity and a seat cavity;

2. The multifunctional household bed of claim 1, wherein: the movable tea table can move in a tailstock below the bed top plate; the movable tea table comprises a tea table body and a moving device, wherein the tea table body comprises a table top plate, four support legs are arranged at four corners of the lower surface of the table top plate, rollers are arranged on the four support legs, and a lower partition plate is arranged below the table top plate in parallel and is fixedly connected with the four support legs; two synchronous transmission parts are symmetrically arranged on the left side and the right side of the lower surface of the lower partition plate; the moving device comprises two steel shafts, namely a fourth steel shaft and a fifth steel shaft, a third speed reducing motor, four synchronous wheels and two synchronous belts; the moving device is arranged in the bed bottom box; two parallel first sliding grooves are formed in the bed bottom box and are parallel to the bed tail plate; two steel shafts are vertically arranged at two ends of the two first sliding grooves through bearing seats, two synchronous wheels are respectively arranged on the two steel shafts, and two parallel synchronous belts are arranged between the two steel shafts; the two synchronous belts are positioned below the two first sliding grooves; one end of one steel shaft is connected with a third speed reducing motor; two synchronous transmission spare of baffle lower surface pass first spout and hold-in range fixed connection under the tea table body.

3. A multifunctional household bed as claimed in claim 1 or 2, wherein: a lifting storage cabinet is arranged in the storage cavity; the lifting storage cabinet comprises a cabinet body and a lifting mechanism; the cabinet body comprises a cabinet bottom plate, four supporting columns and a first bed board block which is used as a cabinet top plate; the cabinet bottom plate and the cabinet top plate are arranged in parallel up and down, and four corners of the cabinet bottom plate and the cabinet top plate are connected by four support columns; the lifting mechanism comprises three steel shafts, a vertical bearing seat, a first speed reducing motor, a bevel gear, a supporting plate, a screw rod, a worm wheel, a worm and a screw rod nut; the three steel shafts are respectively a first steel shaft, a second steel shaft and a third steel shaft, the three steel shafts are arranged at the bottom of the storage cavity in a shape like a Chinese character 'ji', wherein the first steel shafts are arranged at the inner side of the bed screen in parallel, one end of each first steel shaft is vertically and rotatably connected to a bearing seat at the inner side of a side plate of the bed, and the other end of each first steel shaft is connected with a first speed reducing motor on the partition plate through an elastic coupling; two bevel gears are symmetrically arranged on two sides of the first steel shaft by the center of the first steel shaft, and the two bevel gears and the first steel shaft synchronously rotate; the second steel shaft and the third steel shaft are arranged perpendicular to the first steel shaft, wherein the second steel shaft is positioned on one side of the bed side plate, and a bevel gear is arranged at the end, connected with the first steel shaft, of the second steel shaft and meshed with the bevel gear of the first steel shaft; the other end of the second steel shaft is vertically and rotatably connected to a bearing seat of the middle partition plate; the third steel shaft is the same as the second steel shaft in connection structure, is positioned on one side of the partition plate, and is provided with a bevel gear at the connection end with the first steel shaft and is meshed with the other bevel gear of the first steel shaft; a support foot plate is further arranged between the third steel shaft and the second steel shaft in a penetrating manner, and a bearing is arranged in a through hole on the support foot plate and used for supporting the third steel shaft and the second steel shaft; four lead screws are vertically arranged on four corners of the second steel shaft and the third steel shaft, the lead screws are rotatably arranged in a vertical bearing seat on the inner wall of the storage cavity, a worm wheel which synchronously rotates is coaxially arranged at the lower part of each lead screw, two worms are respectively arranged at corresponding positions on the third steel shaft and the second steel shaft, and the worm wheel and the worm are matched to synchronously drive the four lead screws to rotate; four lead screws penetrate through four lead screw nuts on the cabinet bottom plate.

4. The multifunctional household bed of claim 3, wherein: the deformable chair comprises a chair plate, a chair back, chair legs, a supporting bottom plate and a chair deformation device; the stool plate is a second bed plate block, and the chair back is a sixth bed plate block; the joint of the stool plate and the chair back is connected by a hinge, the left front corner of the lower surface of the stool plate is provided with chair legs, and the bottom ends of the chair legs are provided with rollers; a support bottom plate is arranged on the lower surface of the chair back, the right side of the support bottom plate is fixedly connected with the middle partition plate, and the rear side of the support bottom plate is fixedly connected with the partition plate; a second sliding groove which penetrates through the left side and the right side is formed in the middle of the supporting bottom plate, two first moving grooves which penetrate through the right side are symmetrically formed in two sides of the second sliding groove, and two second moving grooves are formed in the chair back corresponding to the two first moving grooves; three communicating grooves which are communicated with each other are arranged on the middle partition plate corresponding to the second sliding groove and the two first moving grooves; the chair deformation device comprises a chair back upturning device and a stool plate traversing device; the chair back upturning device comprises two chair back support rods and a chair back overturning shaft, the chair back overturning shaft is arranged in a communication groove on the middle partition plate, the lower ends of the two chair back support rods are rotatably arranged on the chair back overturning shaft, and the upper ends of the two chair back support rods are hinged in a second moving groove on the chair back; when the chair back is horizontally placed, an obtuse angle is formed between the chair back and the two chair back support rods; the stool plate traversing device is a geneva mechanism and comprises a slotted rack fixedly arranged in the center of the lower surface of the stool plate and a transmission device arranged on a support bottom plate; the slotted rack can move in a second sliding groove in the center of the supporting base plate, and continuous semicircular grooves and rectangular grooves are formed in the slotted rack and are arranged at intervals; the transmission device comprises a fourth stepping motor and a cam; the fourth stepping motor is arranged on the lower surface of the supporting bottom plate and located on one side of the slotted rack, a cam is arranged on a driving shaft of the fourth stepping motor, a round pin and a semicircular lock which are matched with the slotted rack and are opposite in position are arranged on the front side surface of the cam, the round pin is cylindrical, and the semicircular lock is semicircular; the fourth stepping motor drives the cam to rotate, and the round pin and the semicircular lock on the cam drive the slotted rack to move and position.

5. The multifunctional household bed of claim 4, wherein: the lifting table is hidden in the seat cavity and positioned below the second bed plate block when not in use; the lifting table comprises a table plate and a lifting device; the table plate is arranged on the bed screen, two vertical third sliding grooves are formed in the bed screen, two sliding connecting parts are arranged on the connecting edges of the table plate and the bed screen, and the two sliding connecting parts penetrate through the third sliding grooves to enter the bed screen; the lifting device is a screw rod lifting mechanism, is arranged in the bed screen, and comprises a fourth speed reducing motor, a sixth steel shaft, a worm, a screw rod, a worm wheel, a vertical bearing seat and a screw rod nut; the fourth speed reducing motor is arranged at the inner lower part of the bed screen and is connected with a transverse sixth steel shaft through an elastic coupling, the other end of the sixth steel shaft is rotatably arranged in a bearing seat, two worms are coaxially arranged on the sixth steel shaft, two vertical lead screws are arranged at the positions of the two worms, each lead screw is fixed on the bed screen through two vertical bearing seats, and a worm wheel is arranged at the lower end of each lead screw and is matched with the worm to transmit power; the two sliding connection parts on the table plate are penetrated by the screw rod, and a screw rod nut is arranged at the penetrating through hole to be matched with the screw rod.