CN214905326U - Self-locking structure of folding accompanying bed - Google Patents

Abstract

The utility model relates to a self-locking structure of a folding accompanying and attending bed, which comprises a main frame, a cushion moving frame and a backrest folding frame, wherein one side of the main frame is provided with an avoidance area for accommodating the cushion moving frame, and the left side and the right side of the upper part of the avoidance area are provided with a front supporting pin and a rear supporting pin; the backrest folding frame comprises a front backrest cushion and a rear backrest cushion which are connected in a folding mode, the outer end of the front backrest cushion is hinged with the rear end of the cushion moving frame through an overturning connecting rod, and the outer end of the rear backrest cushion is hinged with the main moving frame through an oblique angle connecting rod; rolling pieces are arranged on the left side and the right side of the upper part of the cushion moving frame, and the horizontal height of the bottom ends of the rolling pieces is lower than the horizontal height of the top ends of the front supporting pin and the rear supporting pin; when the backrest folding frame is turned up and inclined backward, the rolling member abuts against the rear side of the rear supporting pin to prevent the cushion moving frame from moving forward and open the backrest folding frame. The utility model discloses when using as the chair, the rolling member keeps off mutually with back supporting pin for thereby the back can not remove and form the support, uses safelyr.

Description

Self-locking structure of folding accompanying bed

Technical Field

The utility model relates to a bed of accompanying and attending to, especially a folding auto-lock structure of bed of accompanying and attending to.

Background

Chinese patent No. 201821861755.0 discloses a shared accompanying chair in 2019, 10 and 11, which comprises an accompanying chair main body, wherein the accompanying chair main body comprises a first chair back, a second chair back and a chair cushion which are sequentially and movably connected, a slidable supporting piece is arranged at the bottom of the chair cushion, a switch piece is arranged on the second chair back, the accompanying chair main body comprises a first motion state and a second motion state, when the accompanying chair main body is in the first motion state, the switch piece is connected with the first chair back, so that the first chair back and the second chair back are folded and combined, and the supporting piece is accommodated at the bottom of the accompanying chair main body and used as an accompanying chair for a user; when the accompanying chair main body is in the second motion state, the switch piece is separated from the first chair back, so that the first chair back, the second chair back and the chair cushion are positioned in the same horizontal plane, and the support piece is used for contacting and supporting the ground to the chair cushion for the user to use as an accompanying bed. After the second chair back is unfolded, the second chair back needs to be supported by the support legs at the bottom of the second chair back, and the support legs are usually stored between the first chair back and the second chair back, so that the structure is complex; in addition, the locking of the angle state of the chair back needs to depend on the matching of the hook-stop piece on the chair back and the sliding groove on the accompanying chair main body, but the matching needs manual operation, and once the chair back is forgotten, all components are mutually movably deformed during use, so that safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rational in infrastructure, automatic locking when forming the chair state avoids automatic expansion, uses safer folding auto-lock structure of accompanying and attending to bed.

The purpose of the utility model is realized like this:

a self-locking structure of a folding accompanying and nursing bed comprises a main frame, a cushion moving frame and a backrest folding frame, wherein an avoiding area for accommodating the cushion moving frame is arranged on one side of the main frame, and a front supporting pin and a rear supporting pin are arranged on the left side and the right side of the upper part of the avoiding area; the backrest folding frame comprises a front backrest cushion and a rear backrest cushion which are connected in a folding mode, the outer end of the front backrest cushion is hinged with the rear end of the cushion moving frame through an overturning connecting rod, and the outer end of the rear backrest cushion is hinged with the main moving frame through an oblique angle connecting rod; the top of one end of the cushion moving frame, which is close to the front back cushion, is provided with a bearing part, after the backrest folding frame is unfolded, the two ends of the front back cushion are respectively arranged on the bearing part and the front supporting pin, and the two ends of the rear back cushion are respectively arranged on the rear supporting pin and the main frame; the method is characterized in that: rolling pieces are arranged on the left side and the right side of the upper part of the cushion moving frame, and the horizontal height of the bottom ends of the rolling pieces is lower than the horizontal height of the top ends of the front supporting pin and the rear supporting pin; when the backrest folding frame is turned up and inclined backward, the rolling member abuts against the rear side of the rear supporting pin to prevent the cushion moving frame from moving forward and open the backrest folding frame.

The purpose of the utility model can also adopt the following technical measures to solve:

more specifically, the rolling member is a rolling bearing. Adopt antifriction bearing, its self has better wearability, and life is longer. The front supporting pin and the rear supporting pin can form blocking with the rolling bearing, and certainly, the cushion moving frame is not fixedly connected with the main moving frame and can freely move up and down, so that the cushion moving frame can be pulled slightly to overcome the blocking force of the rolling bearing and the supporting pin, the rolling bearing can turn over the front supporting pin and the rear supporting pin, and the regular deformation of the folding accompanying bed (changed into a chair or a lying bed) is realized.

As a further scheme, the front cushion and the back cushion are connected through hinges.

As a further scheme, the cushion moving frame comprises a support frame and a cushion, the cushion is arranged on the support frame, second directional trundles are arranged at the bottom of the support frame, and at least one second directional trundle is provided with a brake device.

As a further scheme, the main frame comprises a left moving support and a right moving support, the avoidance area is formed between one ends of the two moving supports, the other ends of the two moving supports are connected through a cross rod, and the upper ends of the moving supports are provided with guardrails.

As a further scheme, the cross bar comprises an upper cross bar and a lower cross bar, the upper cross bar is provided with a back cushion supporting piece, and the rear back cushion is placed on the back cushion supporting piece.

As a further scheme, the guardrail is higher than the top surface of the cushion moving frame, and the top of the guardrail is also provided with a hand cushion.

As a further alternative, the central axis of the roller member is at a level higher than the level of the top end of the rear supporting pin.

As a further scheme, one end of a tail plate at the front end of the cushion moving frame is connected with the other end of the cushion moving frame in an up-and-down overturning manner, and a bearing support piece is further arranged between the tail plate and the ground or between the tail plate and the cushion moving frame.

As a further scheme, a magnetic attraction matching is further arranged between the tail plate and the cushion moving frame.

As a further proposal, a sharing lock is arranged between the main frame and the cushion moving frame. The sign indicating number is swept to the sharing lock and is unblanked, and the back user of unblanking can remove the frame with body frame and cushion and expand to open the function of accompanying and attending to the bed. The shared lock may be for paid use or restricted for use by a particular person.

The utility model has the advantages as follows:

(1) the self-locking structure of the folding accompanying bed can realize self-locking by blocking the rolling piece, the front supporting pin and the rear supporting pin, when the folding accompanying bed is used as a chair, the rolling piece and the rear supporting pin are blocked, so that the backrest can not move to form support, and in addition, after a person sits on the cushion, the rolling piece can not roll over the rear supporting pin (can not roll over the front supporting pin), so that the cushion can be reliably limited, the condition of forgetting to lock does not exist, and the use is safer;

(2) this kind of folding bed of accompanying and attending to of auto-lock structure of bed is opened when lying the bed, and behind the supporting pin was rolled to the rolling member, outside the main support can be pulled out to the cushion, simultaneously, two cushions of back folding leg expand and the bearing respectively on two sets of supporting pins, form reliable horizontal support.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the storage state after the cabinet body is combined with the cabinet body.

Fig. 2 is a schematic structural view of the utility model, which is combined with the cabinet body and then opened to form a flat stool function.

Fig. 3 is a schematic structural view of the foldable nursing bed of the present invention being pulled out and unfolded into a chair state.

Fig. 4 is the structure schematic diagram of the folding bed for accompanying and attending to of the utility model after unfolding.

Fig. 5 is the schematic view of the cabinet body of the present invention.

Fig. 6 is an enlarged schematic view of a portion a in fig. 5.

Fig. 7 is the exploded structure diagram of the middle guide rail assembly of the present invention.

Fig. 8 is a schematic structural view of the middle guide rail assembly of the present invention after shortening.

Fig. 9 is a schematic structural view of the extended middle rail assembly of the present invention.

Fig. 10 is a schematic view of the storage state of the present invention.

FIG. 11 is a schematic sectional view of the structure of FIG. 10B-B.

Fig. 12 is a schematic sectional view of fig. 11 taken along line D-D.

Fig. 13 is an enlarged view of the structure at F in fig. 12.

FIG. 14 is a cross-sectional view of the rear rail assembly of FIG. 11 taken at E-E.

Fig. 15 is an enlarged schematic view of G in fig. 14.

Fig. 16 is a schematic cross-sectional view of fig. 10 taken along line C-C.

Fig. 17 is an enlarged schematic view of H in fig. 16.

Fig. 18 is an enlarged schematic view of the structure at I in fig. 16.

Fig. 19 is an exploded view of the middle stool plate and the load-bearing support of the present invention.

Fig. 20 is a schematic view of another angle-resolved structure of the present invention.

Fig. 21 is a block diagram of the structure of the shared lock of the present invention.

Fig. 22 is a schematic structural view of the middle folding nursing bed of the present invention after being folded completely.

Fig. 23 is a schematic structural view of the middle folding nursing bed of the present invention in the chair state after being unfolded.

Fig. 24 is a structural schematic view of the middle folding bed in the unfolded state.

Fig. 25 is a schematic diagram of the functional transition of the present invention.

1 is a cabinet body, 10 is a folding accompanying and nursing bed, 11 is a side plate, 111 is a reinforcing strip, 112 is a guide groove, 113 is a node groove, 12 is an elastic handle, 13 is a hook, 14 is a top cover, 141 is a table top, 15 is a bottom plate, 151 is a cushion strip, 152 is an upward convex groove, 16 is a containing cavity, 161 is a fixed baffle and 17 is a back plate;

2, a remote control circuit module, 20, a main control circuit, 21, a wake-up switch, 22, an electric control lock, 221, a bolt, 23, a support seat, 24, a card seat, 25, a card slot, 26, an elastic bulge, 27, a communication module, 28, a driving circuit and 29, wherein the remote control circuit module, the main control circuit, the wake-up switch, the electric control lock, the card slot, the elastic bulge, the communication module, the driving circuit and the power supply are respectively arranged in the remote control circuit module, the card slot, the elastic bulge and the communication module;

3 is a drawer;

4 is a decorative cover plate, 41 is an upper cover plate, 411 is a pivot, 42 is a lower cover plate, 421 is a guide pin, 43 is a first handle, and 44 is a first hinge;

5 is a bearing tail plate, 51 is an invisible handle, 52 is a bearing support, 53 is a roller, 54 is a bearing support frame, 55 is a limit hinge seat, 551 is a pin shaft, 56 is a torsion spring, 57 is an iron plate, 58 is a reinforcing strip and 59 is a second hinge;

6 is a guide rail assembly, 61 is a first fixed seat, 62 is a fixed guide rod, 621 is an inner buffer washer, 622 is an outer buffer washer, 63 is a movable connecting block, 631 is a first trepan boring, 632 is an inner buffer washer, 633 is a second trepan boring, 634 is a first oil storage tank, 635 is a second oil storage tank, 64 is a second fixed seat, 641 is an abdicating groove, 65 is a bolt, 66 is a sliding sleeve, 661 is a U-shaped opening, 662 is a connecting wing, 67 is a movable guide rod, 671 is an outer buffer washer, 672 is a limit washer;

7 is a main moving frame, 71 is an avoidance area, 72 is a guardrail, 73 is a hand pad, 74 is a moving frame, 741 is a front supporting pin, 742 is a rear supporting pin, 75 is a first directional caster, 76 is a lower cross bar, 761 is a locking plate, 762 is a locking hole, 763 is a clamping head, and 764 is a connecting plate;

8 is a cushion moving frame, 81 is a supporting frame, 82 is a cushion, 83 is a second directional caster, 84 is a brake device, 85 is a turnover connecting rod, 86 is a rolling bearing, 87 is a movable baffle plate, and 88 is a magnetic block;

9 is a backrest folding frame, 91 is a front cushion, 92 is a rear cushion, 93 is a headrest, and 94 is an oblique angle connecting rod.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

referring to fig. 22, 23 and 24, a self-locking structure of a folding bed for accompanying and attending to 10 comprises a main frame (a main moving frame 7), a cushion moving frame 8, a backrest folding frame 9 and a tail plate (a bearing tail plate 5), wherein an avoidance area 71 for accommodating the cushion moving frame 8 is arranged on one side of the main frame; the backrest folding frame 9 comprises more than two back cushions, each back cushion is sequentially folded and connected in an overturning way, and the outer ends of the back cushions at the two ends are respectively hinged with the main frame and one end of the cushion moving frame 8; one end of the tail plate is connected with the other end of the cushion moving frame 8 in an up-and-down overturning manner, and a bearing support piece 52 is arranged between the tail plate and the ground.

The backrest folding frame 9 comprises two folding connected back cushions, the two back cushions are a front back cushion 91 and a rear back cushion 92 respectively, the outer end of the front back cushion 91 is hinged with the cushion moving frame 8 through a turnover connecting rod 85, and the outer end of the rear back cushion 92 is hinged with the main moving frame 7 through an oblique connecting rod 94.

The bottom surface of the seat cushion moving frame 8 is provided with second directional casters 83, wherein at least one second directional caster 83 is provided with a brake device 84, and the top of one end of the seat cushion moving frame 8 close to the front cushion 91 is provided with a bearing part.

The main frame comprises a left moving support 74 and a right moving support 74, the avoidance area 71 is formed between one ends of the two moving supports 74, the other ends of the two moving supports 74 are connected through a cross rod, and the upper end of each moving support 74 is provided with a guardrail 72; the left side and the right side of the upper part of the avoidance area 71 are provided with a front supporting pin 741 and a rear supporting pin 742; when the backrest folding frame 9 is unfolded, both ends of the front cushion 91 are respectively supported by the supporting portion and the front supporting pin 741, and both ends of the rear cushion 92 are respectively supported by the rear supporting pin 742 and the cross bar.

Rolling bearings 86 are arranged on the left side and the right side of the upper portion of the seat cushion moving frame 8, and the horizontal height of the bottom ends of the rolling bearings 86 is lower than the horizontal height of the top ends of the front supporting pin 741 and the rear supporting pin 742.

The lower end of the movable bracket 74 is provided with a first direction caster 75.

The outer surface of the bearing tail plate 5 is also provided with a hidden handle 51.

The upper end of the bearing tail plate 5 is hinged with the upper part of the cushion moving frame 8, and the lower end of the bearing tail plate 5 is matched with the lower part of the cushion moving frame 8 in a magnetic attraction manner.

The bearing support 52 comprises a limiting hinged support 55, a bearing support frame 54 and a roller 53, the limiting hinged support 55 is arranged on the bearing tail plate 5 and is hinged with the upper end of the bearing support frame 54, a torsion spring 56 which enables the bearing support frame 54 to have an opening acting force is arranged between the bearing support frame 54 and the limiting hinged support 55, and the roller 53 is arranged at the lower end of the bearing support frame 54; when the bearing tail plate 5 is opened to a flat state, the upper end of the bearing support frame 54 is in limit fit with the limit hinged support 55, and the lower end of the bearing support frame 54 inclines outwards and is used for contacting the ground through the idler wheel 53. The method comprises the following steps: the upper end of the bearing support frame 54 is hinged with the limit hinged support 55 through a pin 551, the torsion spring 56 is sleeved outside the pin 551, two ends of the torsion spring 56 respectively abut against the limit hinged support 55 and the bearing support frame 54, and the lower end of the bearing support frame 54 inclines outwards.

The load bearing support bracket 54 is H-shaped.

An iron plate 57 is arranged on the back of the bearing tail plate 5, a limiting hinged support 55 is arranged on the iron plate 57, the movable baffle 87 is connected with a magnetic block 88 through a high-power adhesive, the bearing tail plate 5 is turned downwards, and the magnetic block 88 is magnetically attracted with the iron plate 57; the upper end back of bearing tailboard 5 is equipped with reinforcing strip 58, and reinforcing strip 58 moves the frame 8 upper end with the cushion and passes through second hinge 59 articulated.

A headrest 93 is arranged on the rear cushion 92.

The cross bars include an upper cross bar with a back pad support and a lower cross bar 76 with the rear back pad 92 resting on the back pad support.

As shown in fig. 1 to 21, as a further scheme, the foldable multifunctional accompanying bed can be used in combination with a bedside cabinet, the bedside cabinet comprises a cabinet body 1, the cabinet body 1 is provided with a storage cavity 16 for placing the foldable accompanying bed 10, a main moving frame 7 is connected with the storage cavity 16 through a guide rail assembly 6, a fixed baffle sheet 161 is arranged in the storage cavity 16, a cushion moving frame 8 is provided with a movable baffle sheet 87, the fixed baffle sheet 161 and the movable baffle sheet 87 are blocked, and the cushion moving frame 8 is limited after entering the storage cavity 16. The magnetic block 88 is connected with the movable baffle 87 through a high-strength adhesive.

The cabinet body 1 comprises a left side plate 11, a right side plate 11, a top cover 14, a back plate 17 and the bottom plate 15, the back plate 17 is connected between the rear sides of the left side plate 11 and the right side plate 11, the top cover 14 is connected with the upper ends of the side plates 11 and the back plate 17, the bottom plate 15 is connected with the lower ends of the side plates 11 and the back plate 17, a table board 141 is arranged at the top of the top cover 14, and reinforcing strips 111 are arranged on the inner sides of the side plates 11; the side plate 11, the top cover 14, the back plate 17 and the bottom plate 15 jointly enclose the accommodating cavity 16.

The mesa 141 is recessed downward and stepped forward and backward; the drawer 3 is arranged below the top cover 14 corresponding to the table board.

The inner side of the side plate 11 is provided with a reinforcing strip 111, and the outer side of the side plate 11 is provided with an elastic handle 12 and a folding hook 13.

The bottom of the containing cavity 16 is sealed by a bottom plate 15, and the folding nursing bed 10 is placed on the bottom plate 15; the cabinet body 1 corresponds the opening upper portion of accomodating the chamber 16 is equipped with dress trim cover 4, and the cabinet body 1 still is equipped with drawer 3 corresponding dress trim cover 4's top.

The decorative cover plate 4 comprises an upper cover plate 41 and a lower cover plate 42 which are hinged to each other, the upper end of the upper cover plate 41 is in running fit with the cabinet body 1, and the lower end of the lower cover plate 42 is in guide sliding fit with the side wall of the containing cavity 16.

The surface of the lower cover plate 42 is provided with a first handle 43.

The left side and the right side of the lower end of the lower cover plate 42 are provided with guide pins 421, the side wall of the side plate 11 facing the containing cavity 16 is provided with a guide groove 112, the upper end of the guide groove 112 is higher than the hinge point of the upper cover plate 41 and the lower cover plate 42, and the middle upper part of the guide groove 112 is provided with a node groove 113.

The upper cover plate 41 and the lower cover plate 42 are hinged by a first hinge 44.

The upper cover plate 41 is pivotally coupled at left and right sides thereof to side walls of the side plate 11 facing the storage chamber 16 via a pivot 411.

An upward convex groove 152 is formed between the bottom plate 15 and the first directional caster 75 and the second directional caster 83, the upward convex groove 152 protrudes upwards from the bottom surface of the bottom plate 15, and a gasket 151 is embedded in the bottom of the upward convex groove 152.

The guide rail assembly 6 comprises a fixed guide rod 62, a movable connecting block 63, a movable guide rod 67 and a sliding sleeve 66, the fixed guide rod 62 is fixedly arranged in the accommodating cavity 16, the movable connecting block 63 is in linear sliding fit with the fixed guide rod 62, the movable guide rod 67 is parallel to the fixed guide rod 62, one end of the movable guide rod 67 is fixedly connected with the movable connecting block 63, the sliding sleeve 66 is arranged outside the movable guide rod 67 in a sliding mode and limited between two ends of the movable guide rod 67, and the sliding sleeve 66 is connected with the folding accompanying and nursing bed 10.

The activity guide bar 67 is connected with the movable connecting block 63 through the bolt 65, and first trepanning 631 is inserted to the one end of movable connecting block 63, and the bolt 65 runs through first trepanning 631 and activity guide bar 67, and the upper and lower both ends of bolt 65 are equipped with round pin cap and cross bore respectively, are equipped with the cross pin in the cross bore.

The fixed guide bar 62 is provided with two fixed guide bars 62 arranged in parallel with each other.

The sliding sleeve 66 and the movable guide rod 67 are positioned on the left and right bisecting planes of the folding bed 10.

Guide rail set 6 still includes first fixing base 61 and second fixing base 64, the inside and outside both ends of fixed guide bar 62 respectively with first fixing base 61 and second fixing base 64 fixed connection, first fixing base 61 and second fixing base 64 respectively with accomodate chamber 16 fixed connection, activity guide bar 67 is located between two fixed guide bar 62, second fixing base 64 correspond activity guide bar 67 and sliding sleeve 66 is equipped with and steps down groove 641.

Be equipped with electric control lock 22 on the first fixing base 61, be equipped with lock plate 761 on the folding bed of accompanying and attending to 10, lock plate 761 is used for with electric control lock 22 lock.

The first fixing seat 61 is further provided with a supporting seat 23, the electric control lock 22 is arranged on the supporting seat 23, clamping seats 24 are arranged on the supporting seat 23 corresponding to the left side and the right side of the electric control lock 22, clamping grooves 25 are arranged on the clamping seats 24, and elastic bulges are arranged on the inner walls of the clamping grooves 25; a clamping head 763 is arranged on the folding accompanying bed 10 corresponding to the clamping groove 25, and the clamping head 763 is buckled with the elastic protrusion 26. The elastic bulge 26 is a steel ball with elastic hand feeling. The draw-in gear 763 is connected with the lower cross bar 76 of the main movable frame 7, the lock plate 761 is arranged on the lower cross bar 76, the electric control lock 22 is provided with the lock tongue 221, the lock plate 761 is provided with the lock hole 762, and the lock hole 762 is in lock catch fit with the lock tongue 221.

The electric control lock 22 is provided with a closing in-place sensing switch 222, and the closing in-place sensing switch 222 is triggered by the lock plate 761.

An inner buffer washer 621 and an outer buffer washer 622 are respectively arranged between the movable connecting block 63 and the two ends of the fixed guide rod 62.

The other end of activity guide bar 67 is equipped with spacing packing ring 672, be equipped with outer cushion ring 671 and interior cushion ring 632 between sliding sleeve 66 and the spacing packing ring 672 and between the swing joint respectively.

The sliding sleeve 66 is in rotational fit with the movable guide rod 67.

The sliding sleeve 66 is movably matched with the movable guide rod 67 up and down, and the bottom of the accommodating cavity 16 is closed.

The method comprises the following steps: the sliding sleeve 66 is U-shaped, a U-shaped opening 661 is formed in the inner side of the sliding sleeve 66, the U-shaped opening 661 is sleeved outside the movable guide rod 67, and the sliding sleeve 66 and the movable guide rod 67 are movably matched up and down along the U-shaped opening 661; the lower cross bar 76 of the folding bed for accompanying and attending to 10 is provided with a connecting plate 764, the outer side of the U-shaped opening 661 of the sliding sleeve 66 is provided with a connecting wing 662, and the connecting plate 764 covers the U-shaped opening 661 of the sliding sleeve 66 and is connected with the connecting wing 662 of the sliding sleeve 66.

The movable connecting block 63 is provided with a first sleeve hole 631 and a second sleeve hole 633 corresponding to the movable guide rod 67 and the fixed guide rod 62 respectively, the inner wall of the first sleeve hole 631 and the inner wall of the second sleeve hole 633 are provided with a second oil storage groove 635 and a first oil storage groove 634 respectively, and the second oil storage groove 635 and the first oil storage groove 634 are annular grooves.

The movable guide rod 67 and the fixed guide rod 62 are round rods.

The multifunctional bedside cabinet is also provided with a remote control circuit module 2 for controlling the electric control lock 22, a wake-up switch 21 for waking up a remote communication module 27 in the remote control circuit module 2, and a remote program matched with the remote control circuit module 2 to enter the two-dimensional code.

The remote control circuit module 2 comprises a main control circuit, a communication module 27 in communication with the cloud, a wake-up circuit for waking up the communication module 27, a driving circuit 28 for controlling the electric control lock 22 and a power supply 29, wherein the main control circuit is respectively electrically connected with the wake-up circuit, the driving circuit 28 and the power supply 29, and the wake-up switch 21 is electrically connected with the wake-up circuit.

The remote control circuit module 2 and the awakening switch 21 are respectively arranged on one side and the front face of the top cover 14 of the cabinet body 1, and the remote program enters the two-dimensional code and is arranged on the cabinet body 1 and/or the folding accompanying bed 10.

The power supply 29 is a dry cell battery. Or, the battery is a rechargeable battery, the remote control circuit module 2 is further provided with a charging circuit, and the charging circuit is electrically connected with the main control circuit 20.

The closing in-place inductive switch on the electric control lock 22 is electrically connected with the main control circuit.

The remote control circuit module 2 is also provided with a buzzer, and the buzzer is electrically connected with the main control circuit.

With reference to fig. 25, the working principle of the multifunctional bedside cabinet is as follows: after the folding accompanying and attending bed 10 is folded, the cushion moving frame 8 is positioned in the avoiding area 71 of the main moving frame 7, the bearing tail plate 5 covers the outside of the avoiding area 71 and covers the lower part of the main moving frame 7, the backrest folding frame 9 is flatly placed on the cushion moving frame 8, and the front cushion 91 and the rear cushion 92 of the backrest folding frame 9 are stacked one on another; the folded folding bed 10 is accommodated in the accommodating cavity 16, and the bedside cabinet is in a state shown in the upper right corner of fig. 25; the bearing tail plate 5 is turned up along the direction F1 alone, the bearing tail plate 5 is supported by the bearing support 52, the bearing tail plate 5 forms a flat stool, as shown in the drawing indicated by the direction a1, in this state, the bearing tail plate 5 is lifted along the arrow F2, the lower end of the bearing support 52 is separated from the ground by a certain height, meanwhile, the bearing support 52 is pushed to turn along the arrow F3, and finally, the bearing tail plate 5 is put down along the arrow F4, and the bearing tail plate 5 can be restored to the vertical closing state.

The folded bed 10 is pulled out from the storage chamber 16 in the arrow direction of T1 in the state shown in the upper right corner of fig. 25, and then the state a2 is formed; then, as in the state b, the backrest folding frame 9 is turned up along the direction of the arrow R and is inclined outwards to form a chair, and if the bearing tail plate 5 is turned flat in the chair state, the chair is formed and is not shown in the figure; in the state of the reclining chair, the cushion moving frame 8 is pulled outwards, so that the cushion moving frame 8 moves out of the main moving frame 7, the backrest folding frame 9 starts to be opened in the process that the cushion moving frame 8 moves outwards, and the folding accompanying bed 10 is completely unfolded to form a lying bed until the front cushion 91 and the rear cushion 92 are unfolded to be flat, which is shown as a state c in fig. 25.

When the folding accompanying bed 10 is unfolded, the connecting part of the front cushion 91 and the rear cushion 92 is lifted upwards along the arrow direction T5, and the cushion moving frame 8 is pushed towards the main moving frame 7 along the arrow direction T4 until the cushion moving frame 8 enters the avoiding area 71, and the backrest folding frame 9 is inclined outwards, so that a chair is formed; when the bearing tail plate 5 is in a flat state, the bearing tail plate 5 is lifted upwards along an arrow F, the bearing support piece 52 leaves the ground, then the bearing support piece 52 is pushed towards the cushion moving frame 8 along an arrow F3, the included angle between the bearing support piece 52 and the bearing tail plate 5 is smaller than 90 degrees, finally the bearing tail plate 5 and the bearing support piece 52 are put down, and the bearing tail plate 5 can be turned to be in a vertical state along the direction F4; the backrest folding frame 9 in the chair state is overturned on the cushion moving frame 8, at this time, the folding bed 10 is in the folding state, and can be pushed into the accommodating cavity 16 of the cabinet body 1 by referring to the state of fig. 22.

When the multifunctional bedside cabinet is taken out of the folding bed for accompanying and attending to 10, the following operations are required: when the folding accompanying bed 10 needs to be used in a storage state of the folding accompanying bed 10, the wake-up switch 21 is firstly touched, so that a remote communication function in the remote control circuit module 2 is wakened up, and the remote control circuit module 2 is communicated with a cloud end through a wireless network; the user adopts the smart mobile phone to scan remote procedure and gets into the two-dimensional code, and high in the clouds discerns behind the user identity instruction remote control circuit module 2 control electric control lock 22 and unblanks, and folding bed 10 of accompanying and attending to can shift out outside accomodating chamber 16 this moment, and then open the use.

Claims (10)

1. A self-locking structure of a folding accompanying and nursing bed comprises a main moving frame (7), a cushion moving frame (8) and a backrest folding frame (9), wherein an avoiding area (71) for containing the cushion moving frame (8) is arranged on one side of the main frame, and a front supporting pin (741) and a rear supporting pin (742) are arranged on the left side and the right side of the upper part of the avoiding area (71); the backrest folding frame (9) comprises a front backrest cushion (91) and a rear backrest cushion (92) which are connected in a folding way, the outer end of the front backrest cushion (91) is hinged with the rear end of the cushion moving frame (8) through a turnover connecting rod (85), and the outer end of the rear backrest cushion (92) is hinged with the main moving frame (7) through an oblique angle connecting rod (94); the top of one end, close to the front cushion (91), of the cushion moving frame (8) is provided with a bearing part, after the backrest folding frame (9) is unfolded, two ends of the front cushion (91) are respectively arranged on the bearing part and the front supporting pin (741), and two ends of the rear cushion (92) are respectively arranged on the rear supporting pin (742) and the main frame; the method is characterized in that: rolling pieces are arranged on the left side and the right side of the upper part of the seat cushion moving frame (8), and the horizontal height of the bottom ends of the rolling pieces is lower than the horizontal height of the top ends of the front supporting pin (741) and the rear supporting pin (742); when the backrest folding frame (9) is turned up and tilted backward, the rolling member abuts against the rear side of the rear support pin (742) to prevent the cushion moving frame (8) from moving forward and allow the backrest folding frame (9) to be opened.

2. The self-locking structure of the folding bed according to claim 1, wherein: the rolling element is a rolling bearing (86).

3. The self-locking structure of the folding bed according to claim 1, wherein: the front cushion (91) and the rear cushion (92) are connected through a hinge.

4. The self-locking structure of the folding bed according to claim 1, wherein: the cushion moving frame (8) comprises a support frame (81) and a cushion (82), the cushion (82) is arranged on the support frame (81), second directional trundles (83) are arranged at the bottom of the support frame (81), and at least one second directional trundle (83) is provided with a brake device (84).

5. The self-locking structure of the folding bed according to claim 1, wherein: the main frame comprises a left moving support and a right moving support (74), wherein a avoiding area (71) is formed between one ends of the two moving supports (74), the other ends of the two moving supports (74) are connected through a cross rod, and a guardrail (72) is arranged at the upper end of each moving support (74).

6. The self-locking structure of the folding bed according to claim 5, wherein: the cross rods comprise upper cross rods and lower cross rods (76), back cushion supporting pieces are arranged on the upper cross rods, and the rear back cushions (92) are placed on the back cushion supporting pieces.

7. The self-locking structure of the folding bed according to claim 6, wherein: the guardrail (72) is higher than the top surface of the cushion moving frame (8), and the top of the guardrail (72) is also provided with a hand cushion (73).

8. The self-locking structure of the folding bed according to claim 1, wherein: the central axis of the roller is at a level higher than the level of the top end of the rear support pin (742).

9. The self-locking structure of the folding bed according to claim 1, wherein: one end of a tail plate at the front end of the cushion moving frame (8) is connected with the other end of the cushion moving frame (8) in an up-and-down overturning manner, and a bearing support piece (52) is further arranged between the tail plate and the ground or the cushion moving frame (8).

10. The self-locking structure of the folding bed according to claim 1, wherein: a sharing lock is arranged between the main frame and the cushion moving frame (8).

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