CN219578599U - Electric flat lifting and lowering storage bed - Google Patents

Abstract

The utility model discloses an electric flat lifting storage bed, which comprises a bed box and a panel; a storage support plate is fixedly connected in the bed box through screws; the two groups of storage support plates are symmetrically arranged; a flat lifting support is fixedly connected in the bed box and is arranged in a gap between two groups of storage support plates; through setting up flat lifting support, under the condition of motor circular telegram, the screw thread fit of usable lead screw and movable block for movable block horizontal slip is at the tip of chassis, and the movable block is with No. two linking arm rigid couplings, therefore No. two linking arms receive the restriction of movable block and slide on the chassis, and No. two linking arms are articulated with No. one linking arm, and consequently No. one linking arm is with No. two linking arm synchronous sliding, realizes the separation of roof-rack and chassis, and then can drive the panel vertical lift, for prior art, the required movable range of panel is little, and the structure is more reasonable, conveniently accomodates article in the bedstead simultaneously.

Description

Electric flat lifting and lowering storage bed

Technical Field

The utility model relates to the technical field of storage beds, in particular to an electric flat lifting storage bed.

Background

In the process of finishing a residence, after the hard-fitting is finished, soft-fitting is needed, namely, furniture needed in the residence is purchased, wherein a bed is the most important furniture and is used for providing rest and sleep; and the cabinet body is used for placing limited clothes and other sundries.

Because of the influence of economic pressure or different self preference, the space that can supply to accomodate is less after the fitment because the residence sleeve area that partial people purchased is less, in order to improve the space that can accomodate of the residence that the sleeve area is little, in the fitment stage, can generally choose to purchase the furniture that can provide certain accomodate function, for example in the prior art, can supply the bed of accomodating, it is general bedstead and panel structure, wherein the one end of panel rotates at bedstead one end, and after accomodating, the panel can imbed at the bedstead top, and at the in-process of accomodating, rotatable panel for the inside space of bedstead is opened, thereby can utilize this partial space to accomodate.

In order to improve the storage area, the prior art selects a bed with a storage function, and when the storage effect is realized, the panel needs to be rotated, so that the required movable range of the panel is larger, the acting force for supporting the panel to keep a certain angle open is also larger, a strut is usually required to be supported between the panel and the bed frame, a certain potential safety hazard exists in the manual opening mode, and compared with the prior art, the prior art also utilizes a mechanical structure to realize the storage bed in an opening mode, and the mechanical structure mainly comprises an air cylinder, the storage bed in the opening mode of the air cylinder mainly depends on the self-locking function of the air cylinder, but the air cylinder has the air leakage and force attenuation conditions, and the potential safety hazard is further generated.

Therefore, an electric flat lifting storage bed is provided for solving the problems.

Disclosure of Invention

In order to overcome the defects in the prior art and solve at least one problem, the utility model provides an electric flat lifting storage bed.

An electric flat lifting storage bed comprises a bed box and a panel; a storage support plate is fixedly connected in the bed box through screws; the two groups of storage support plates are symmetrically arranged; a flat lifting support is fixedly connected in the bed box and is arranged in a gap between two groups of storage support plates; when the device is used, the device is different from the prior art, the flat lifting support is adopted to horizontally push the panel to be separated from the bedstead, the storage support plate in the bedstead is completely exposed, at the moment, articles such as clothes to be stored can be placed in the storage support plate, and then the panel is horizontally put down through the flat lifting support, so that the panel is embedded and connected with the bedstead, and storage is completed;

the horizontal lifting support comprises a bottom frame, and the bottom frame is fixedly connected to the bottom of the bed box through screws; the root of the underframe is rotatably connected with a first connecting arm; the end part of the underframe is connected with a second connecting arm in a sliding way; the top of the second connecting arm is rotatably connected with a top frame; the top of the first connecting arm is connected to the top frame in a sliding manner; the first connecting arm is parallel to the second connecting arm; the top frame is fixedly connected to the bottom surface of the panel through screws; compared with the prior art that the panel is rotationally connected to one side of the bed frame, when the frame is opened, the required rotation range of the panel is larger, and the lifting mode can reduce the required movable range for opening the panel, and simultaneously, the articles to be stored can be more conveniently placed in the storage support plate; therefore, the flat lifting support, the bed frame and the panel can increase the storage space and simultaneously lift the panel through the flat lifting support, and the structure is more reasonable.

Preferably, an extension bracket is fixedly connected to the outer side of one end of the top frame, and the extension bracket is parallel to the top frame; the extension bracket and the top frame are fixedly connected to the bottom surface of the panel through screws; through the extension support, under the lifting effect of flat lifting support, drive the stable vertical translation of panel, realize the open state of panel and bedstead, the same thing realizes the closed state of panel and bedstead.

Preferably, the inner side of the end part of the underframe is fixedly connected with a lower sliding rail; the bottom of the second connecting arm is connected in a lower sliding rail on the underframe in a sliding way; the first connecting arm and the second connecting arm can rotate, at the moment, the bottom of the second connecting arm can slide to one side of the root of the underframe from the end of the underframe in the lower sliding rail.

Preferably, an upper sliding rail is fixedly connected to the outer side of one end of the top frame, which corresponds to the lower sliding rail; the top of the first connecting arm is connected in the upper sliding rail in a sliding way; when the first connecting arm moves, the top of the first connecting arm slides in the upper sliding rail, and simultaneously the end part of the top frame slides to one side of the root part of the top frame, and it is worth noting that the first connecting arm and the second connecting arm synchronously slide, namely the first connecting arm and the second connecting arm synchronously slide with the upper sliding rail and the lower sliding rail.

Preferably, a fixed plate is fixedly connected to the middle part of the underframe, a motor is fixedly connected to one end of the fixed plate, which is close to the root of the underframe, and the output end of the motor penetrates through the fixed plate; the motor output end is fixedly connected with a screw rod, and the other end of the screw rod is fixedly connected to the inner side of the end part of the underframe; utilize the screw rod with the bottom screw thread cooperation of No. two arms to drive No. two arms horizontal activities in the chassis inboard, because No. one arm is articulated with No. two arm middle parts, consequently when No. two arm bottom activities, no. one arm produces the slip in step, and then makes No. one arm and No. two arms by stacking up the state, changes into the expansion state, and then realizes the effect of panel vertical lift on the bedstead.

Preferably, the bottom of the second connecting arm is fixedly connected with a movable block through a screw; the screw rod is in threaded fit with the movable block; the movable block is horizontally and slidably connected with the end part of the underframe along with the second connecting arm; when the motor is powered off, the weight of a load is overlarge between the screw rod and the movable block, and the reverse pushing movable block moves along the axis of the screw rod, so that the phenomenon that the panel is sunk in the vertical rising process of the panel is avoided, the problem that the cylinder fails due to power failure in the prior art is avoided, the problem that the panel is sunk to cause clamping injury is avoided, and the safety of the flat lifting structure is improved.

Preferably, the top surfaces of the end parts of the fixed plate and the underframe are fixedly connected with a limiting guard plate, and the screw rod and the movable block are arranged below the limiting guard plate; the movable block always horizontally slides at the end part of the underframe in the moving process, and the added limiting guard plate can further limit the movement of the movable block, so that the movable block is limited to always horizontally slide at the end part of the underframe.

Preferably, a ball bearing is fixedly connected to the inner side of the end part of the underframe, and one end of the screw rod positioned at the end part of the underframe is rotationally connected to the inner side of the end part of the underframe through the ball bearing; the ball bearing fixedly connected to the inner side of the end part of the underframe can enable the screw rod to rotate on the inner side of the end part of the underframe, and one end, far away from the motor, of the screw rod is connected with the underframe.

The utility model has the advantages that:

1. according to the utility model, the flat lifting support is arranged, under the condition that the motor is electrified, the screw rod is matched with the screw thread of the movable block, so that the movable block horizontally slides on the end part of the underframe, the movable block is fixedly connected with the second connecting arm, the second connecting arm is restrained by the movable block and slides on the underframe, the second connecting arm is hinged with the first connecting arm, the first connecting arm and the second connecting arm synchronously slide, the separation of the top frame and the underframe is realized, and the panel can be driven to vertically lift.

2. According to the utility model, the screw rod is driven to rotate by the motor, the screw rod is matched with the threads of the movable block, the second connecting arm and the first connecting arm are driven to synchronously slide, and the movable block is limited by the limiting guard plate and the bottom of the second connecting arm to only slide in the lower sliding rail, so that the movable block and the screw rod cannot reversely push and rotate on the axis of the screw rod due to overlarge weight of a load under the condition of power failure, and further the problems that in the prior art, a panel is easy to sink and clamping injury is caused due to the condition of air leakage and force attenuation of an air cylinder are avoided.

3. The flat lifting support can be arranged between the bed frame and the panel through the screws, the flat lifting support can be produced in a large scale in a modularized manner, the production cost is reduced, the installation is convenient and fast, non-professional personnel can easily install the flat lifting support, the difficulty in reconstruction of the traditional bed frame is simplified, the bed body can be conveniently transferred in a plurality of times of dismounting and mounting, the function of the flat lifting support can be quickly assembled and restored, and the service life and the application range of products are prolonged.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view showing an open state of a storage bed according to an embodiment of the present utility model;

FIG. 2 is a second schematic view of an open state of a storage bed according to an embodiment of the present utility model;

FIG. 3 is a perspective view of a bed frame according to one embodiment of the present utility model;

FIG. 4 is a perspective view showing a closed state of a horizontal lifting support in an embodiment of the present utility model;

FIG. 5 is a perspective view showing an expanded state of a horizontal lifting support in an embodiment of the present utility model;

FIG. 6 is an enlarged schematic view of the portion A in FIG. 5;

in the figure: 1. a bed box; 11. receiving the support plate; 2. a panel; 3. a lifting support is lifted horizontally; 31. a chassis; 32. a first connecting arm; 33. a second connecting arm; 34. extending the bracket; 35. a top frame; 351. an upper slide rail; 36. a movable block; 37. a motor; 38. a screw rod; 39. limiting guard plates; 310. a ball bearing; 311. a lower slide rail; 312. and a fixing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, an electric flat lifting and lowering storage bed comprises a bed box 1 and a panel 2; a storage support plate 11 is fixedly connected in the bed box 1 through screws; the accommodating support plates 11 are arranged in two groups, and the two groups of accommodating support plates 11 are symmetrically arranged; a flat lifting support 3 is fixedly connected in the bed box 1, and the flat lifting support 3 is arranged in a gap between two groups of accommodating support plates 11;

the flat lifting support 3 comprises a bottom frame 31, and the bottom frame 31 is fixedly connected to the bottom of the bed box 1 through screws; the root of the underframe 31 is rotatably connected with a first connecting arm 32; the end part of the underframe 31 is connected with a second connecting arm 33 in a sliding way; the top of the second connecting arm 33 is rotatably connected with a top frame 35; the top of the first connecting arm 32 is connected to the top frame 35 in a sliding manner; the first connecting arm 32 is parallel to the second connecting arm 33; the top frame 35 is fixedly connected to the bottom surface of the panel 2 through screws.

Specifically, in order to increase the storage area, a bed with a storage function is selected and purchased, and when the storage effect is achieved, the panel 2 needs to be rotated, so that the required movable range of the panel 2 is larger, the acting force for supporting the panel 2 to keep a certain angle open is also larger, a strut is usually required to be supported between the panel 2 and the bed frame for supporting, and a certain potential safety hazard exists in the manual opening mode. When the device is used, unlike the prior art, the flat lifting support 3 is adopted to horizontally push the panel 2 so as to be separated from the bedstead, the storage support plate 11 in the bedstead is completely exposed, at the moment, articles such as clothes to be stored can be placed in the storage support plate 11, and then the panel 2 is horizontally put down through the flat lifting support 3 so as to be embedded and connected with the bedstead, so that the storage is completed;

further, when the flat lifting support 3 is used to push the panel 2 horizontally, the first connecting arm 32 and the second connecting arm 33 are slowly unfolded from the initial stacked state, in the completely unfolded state, the first connecting arm 32 and the second connecting arm 33 are in a cross arrangement, and in the unfolding process, the middle parts of the first connecting arm 32 and the second connecting arm 33 are hinged, and the lengths of the first connecting arm 32 and the second connecting arm 33 are the same, so that the top frame 35 and the bottom frame 31 are always kept parallel in the unfolding process, and therefore, compared with the existing panel 2, the panel 2 is rotatably connected to one side of the frame, when the panel 2 is opened, the required rotation range of the panel 2 is larger, and in the flat lifting mode, the required movement range of the panel 2 can be reduced, and meanwhile, the required stored objects can be more conveniently placed in the storage support 11; therefore, the flat lifting support 3, the bed frame and the panel 2 can increase the storage space and simultaneously lift the panel 2 through the flat lifting support 3, so that the structure is more reasonable.

As an embodiment of the present utility model, an extension bracket 34 is fixedly connected to the outer side of one end of the top frame 35, and the extension bracket 34 is parallel to the top frame 35; the extension bracket 34 and the top frame 35 are fixedly connected to the bottom surface of the panel 2 through screws.

Specifically, the extension bracket 34 fixedly connected to the outer side of the top frame 35 is parallel to the top frame 35, and is mainly used for increasing the contact area between the top frame 35 and the panel 2, so that the panel 2 can be stably supported, and under the lifting effect of the flat lifting support 3, the panel 2 is driven to stably and vertically translate, the opening state of the panel 2 and the bedstead is realized, and the closing state of the panel 2 and the bedstead is realized in the same way.

As an embodiment of the present utility model, a lower slide rail 311 is fixedly connected to the inner side of the end portion of the chassis 31; the bottom of the second connecting arm 33 is slidably connected in the lower slide rail 311 on the chassis 31.

Specifically, when the horizontal lifting mechanism realizes the pushing-up effect, the first connecting arm 32 and the second connecting arm 33 rotate, and at this time, the bottom of the second connecting arm 33 slides from the end of the bottom frame 31 to the root side of the bottom frame 31 in the lower slide rail 311.

As an embodiment of the present utility model, an upper sliding rail 351 is fixedly connected to the outer side of one end of the top frame 35 corresponding to the lower sliding rail 311; the top of the first arm 32 is slidably connected to the upper rail 351.

Specifically, as mentioned above, when the horizontal lifting mechanism realizes the pushing-up effect, the first connecting arm 32 and the second connecting arm 33 will rotate, and when the first connecting arm 32 moves, the top of the first connecting arm 32 will slide in the upper sliding rail 351, and meanwhile, the top of the top frame 35 slides to the root side of the top frame 35, and it is noted that the first connecting arm 32 and the second connecting arm 33 slide synchronously, i.e. the first connecting arm 32 and the second connecting arm 33 slide synchronously with the upper sliding rail 351 and the lower sliding rail 311.

As an embodiment of the present utility model, a fixing plate 312 is fixedly connected to the middle portion of the chassis 31, a motor 37 is fixedly connected to one end of the fixing plate 312 near the root portion of the chassis 31, and an output end of the motor 37 penetrates through the fixing plate 312; the output end of the motor 37 is fixedly connected with a screw rod 38, and the other end of the screw rod 38 is fixedly connected to the inner side of the end part of the underframe 31.

Specifically, when the flat lifting mechanism works, the motor 37 is driven, the motor 37 is electrically connected to the external power switch on one side of the bedstead, the motor 37 is started by pressing the power switch, the output end of the motor 37 is used for driving the screw rod 38 to rotate, the screw rod 38 is in threaded fit with the bottom of the second connecting arm 33, so that the second connecting arm 33 is driven to horizontally move inside the underframe 31, and the first connecting arm 32 and the middle of the second connecting arm 33 are hinged, so that when the bottom of the second connecting arm 33 moves, the first connecting arm 32 slides synchronously, the first connecting arm 32 and the second connecting arm 33 are further changed into a unfolding state from a stacking state, the effect of vertically lifting the panel 2 on the bedstead is achieved, further, the power switch respectively controls three functions of lifting, stopping and descending, and stopping according to the first-gear position and the second-gear position and stopping according to the second-gear position.

As an embodiment of the present utility model, the bottom of the second arm 33 is fixedly connected with a movable block 36 through a screw; the screw rod 38 is in threaded fit with the movable block 36; the movable block 36 is horizontally and slidably connected to the end of the chassis 31 along with the second connecting arm 33.

Specifically, the bottom of the second connecting arm 33 is fixedly connected with the movable block 36, the movable block 36 is parallel to the bottom surface of the chassis 31, when the screw rod 38 is in threaded fit with the movable block 36, the movable block 36 can be utilized to horizontally move on the screw rod 38 to drive the bottom of the second connecting arm 33 to slide in the lower sliding rail 311 at the inner side of the chassis 31, wherein the screw rod 38 is a T-shaped screw rod, and a gable nut is arranged in the movable block 36, so that when the motor 37 is powered off, the screw rod 38 and the movable block 36 can be reversely pushed to move along the axis of the screw rod 38 due to overlarge weight of a load, and further, the phenomenon that the panel 2 sinks in the vertical rising process of the panel 2 is avoided, the problem that in the prior art, potential safety hazards are generated due to air leakage and force attenuation of an air cylinder are avoided, the problem that the panel 2 sinks to cause clamping injury is avoided, and the safety of the flat lifting structure is improved.

As an embodiment of the present utility model, the top surfaces of the end portions of the fixed plate 312 and the bottom frame 31 are fixedly connected with a limiting guard plate 39, and the screw rod 38 and the movable block 36 are arranged below the limiting guard plate 39.

Specifically, the movable block 36 always slides horizontally at the end of the chassis 31 during the moving process, and the added limiting guard plate 39 can further limit the movement of the movable block 36, so as to limit the movable block 36 to slide horizontally at the end of the chassis 31 all the time.

As an embodiment of the present utility model, a ball bearing 310 is fixedly connected to the inner side of the end of the chassis 31, and one end of the screw rod 38 located at the end of the chassis 31 is rotatably connected to the inner side of the end of the chassis 31 via the ball bearing 310.

Specifically, the ball bearing 310 fixedly connected to the inner side of the end of the chassis 31 can allow the screw rod 38 to rotate on the inner side of the end of the chassis 31, so as to connect one end of the screw rod 38 far from the motor 37 with the chassis 31.

Working principle: in order to increase the storage area, a user chooses a bed with a storage function, and when the storage effect is achieved, the user needs to rotate the panel 2, so that the required movable range of the panel 2 is larger, the acting force for supporting the panel 2 to keep a certain angle open is also larger, a strut is usually needed to be supported between the panel 2 and the bed frame, and a certain potential safety hazard exists in the manual opening mode. When the flat lifting support 3 is used for horizontally pushing the panel 2, the panel 2 is slowly unfolded from an initial stacked state through the movement of the first connecting arm 32 and the second connecting arm 33, in a complete unfolding state, the first connecting arm 32 and the second connecting arm 33 are in cross arrangement, in the unfolding process, as the middle parts of the first connecting arm 32 and the second connecting arm 33 are hinged, and the lengths of the first connecting arm 32 and the second connecting arm 33 are the same, the top frame 35 and the bottom frame 31 are always kept parallel in the unfolding process, and therefore, compared with the traditional panel 2, the panel 2 is rotatably connected to one side of the frame, when the panel 2 is opened, the required rotation range of the panel 2 is larger, and in the flat lifting mode, the required movement range of the panel 2 can be reduced, and meanwhile, objects to be stored can be more conveniently placed in the storage support plate 11; therefore, the flat lifting support 3, the bed frame and the panel 2 can increase the storage space and simultaneously lift the panel 2 through the flat lifting support 3, so that the structure is more reasonable.

When the flat lifting mechanism realizes the pushing-up effect, the first connecting arm 32 and the second connecting arm 33 rotate, and at the moment, the bottom of the second connecting arm 33 slides to one side of the root of the underframe 31 from the end of the underframe 31 in the lower sliding rail 311; when the first connecting arm 32 moves, the top of the first connecting arm 32 slides in the upper sliding rail 351 and simultaneously slides from the end of the top frame 35 to the root side of the top frame 35, and it is noted that the first connecting arm 32 and the second connecting arm 33 slide synchronously, i.e. the first connecting arm 32 and the second connecting arm 33 slide synchronously with the upper sliding rail 351 and the lower sliding rail 311;

specifically, when the horizontal lifting mechanism works, the motor 37 is driven by the motor 37, the motor 37 is electrically connected to the external power switch on one side of the bed frame, the motor 37 is started by pressing the power switch, the output end of the motor 37 is used for driving the screw rod 38 to rotate, the screw rod 38 is used for being in threaded fit with the bottom of the second connecting arm 33, so that the second connecting arm 33 is driven to horizontally move on the inner side of the bed frame 31, and the first connecting arm 32 is hinged with the middle part of the second connecting arm 33, so that when the bottom of the second connecting arm 33 moves, the first connecting arm 32 slides synchronously, the first connecting arm 32 and the second connecting arm 33 are further changed from a stacked state to an unfolded state, and the effect that the panel 2 vertically ascends and descends on the bed frame is realized; the bottom of the second connecting arm 33 is fixedly connected with the movable block 36, the movable block 36 is parallel to the bottom surface of the bottom frame 31, when the screw rod 38 is in threaded fit with the movable block 36, the movable block 36 can be utilized to horizontally move on the screw rod 38 to drive the bottom of the second connecting arm 33 to slide in the lower sliding rail 311 at the inner side of the bottom frame 31, wherein the screw rod 38 is a T-shaped screw rod, and a gable nut is arranged in the movable block 36, so that when the motor 37 is powered off, the screw rod 38 and the movable block 36 can be reversely pushed to move along the axis of the screw rod 38 due to overlarge weight of a load, further, the phenomenon that the panel 2 sinks in the vertical rising process of the panel 2 is avoided, and further, the problem that in the prior art, the panel 2 sinks to cause clamping injury is avoided due to the fact that an air cylinder leaks and the force is attenuated is avoided, and the safety of the flat lifting structure is improved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (8)

1. An electric flat lifting storage bed is characterized in that: comprises a bed box (1) and a panel (2); a storage support plate (11) is fixedly connected in the bed box (1) through screws; the two groups of storage support plates (11) are arranged, and the two groups of storage support plates (11) are symmetrically arranged; a flat lifting support (3) is fixedly connected in the bed box (1), and the flat lifting support (3) is arranged in a gap between two groups of accommodating support plates (11);

the flat lifting support (3) comprises a bottom frame (31), and the bottom frame (31) is fixedly connected to the bottom of the bed box (1) through screws; the root of the underframe (31) is rotatably connected with a first connecting arm (32); the end part of the underframe (31) is connected with a second connecting arm (33) in a sliding way; the top of the second connecting arm (33) is rotatably connected with a top frame (35); the top of the first connecting arm (32) is connected to the top frame (35) in a sliding manner; the first connecting arm (32) is parallel to the second connecting arm (33); the top frame (35) is fixedly connected to the bottom surface of the panel (2) through screws.

2. The electric flat lifting storage bed of claim 1, wherein: an extension bracket (34) is fixedly connected to the outer side of one end of the top frame (35), and the extension bracket (34) is parallel to the top frame (35); the extension bracket (34) and the top frame (35) are fixedly connected to the bottom surface of the panel (2) through screws.

3. An electric flat lifting storage bed as claimed in claim 2, wherein: a lower sliding rail (311) is fixedly connected to the inner side of the end part of the underframe (31); the bottom of the second connecting arm (33) is connected in a lower sliding rail (311) on the underframe (31) in a sliding way.

4. An electric flat lifting storage bed as claimed in claim 3, wherein: an upper sliding rail (351) is fixedly connected to the outer side of one end, corresponding to the lower sliding rail (311), of the top frame (35); the top of the first connecting arm (32) is connected in the upper sliding rail (351) in a sliding way.

5. The electric flat lifting storage bed of claim 4, wherein: a fixed plate (312) is fixedly connected to the middle part of the underframe (31), a motor (37) is fixedly connected to one end, close to the root of the underframe (31), of the fixed plate (312), and the output end of the motor (37) penetrates through the fixed plate (312); the output end of the motor (37) is fixedly connected with a screw rod (38), and the other end of the screw rod (38) is fixedly connected to the inner side of the end part of the underframe (31).

6. The electric flat lifting storage bed of claim 5, wherein: the bottom of the second connecting arm (33) is fixedly connected with a movable block (36) through a screw; the screw rod (38) is in threaded fit with the movable block (36); the movable block (36) is horizontally and slidably connected with the second connecting arm (33) at the end part of the underframe (31).

7. The electric flat lifting storage bed of claim 6, wherein: and the top surfaces of the end parts of the fixed plate (312) and the underframe (31) are fixedly connected with a limiting guard plate (39), and the screw rod (38) and the movable block (36) are arranged below the limiting guard plate (39).

8. The electric flat lifting storage bed of claim 7, wherein: the inner side of the end part of the underframe (31) is fixedly connected with a ball bearing (310), and one end of the screw rod (38) positioned at the end part of the underframe (31) is rotationally connected with the inner side of the end part of the underframe (31) through the ball bearing (310).