CN218457736U

CN218457736U - Electric lifting bed with built-in driving structure

Info

Publication number: CN218457736U
Application number: CN202221807898.XU
Authority: CN
Inventors: 林景
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-02-10
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a built-in electric lift bed of drive structure, include: the lower frame is connected in the enclosure frame, and a lifting motor is hinged in the lower frame; the middle frame is movably connected with the lower frame, and a plurality of supporting wood boards are arranged at the top of the middle frame; the inner sides of the lower frame and the middle frame are fixedly locked with fixed foot seats; the inboard of fixed foot stool articulates there is actuating mechanism, actuating mechanism is articulated with elevator motor's output shaft, through the fixed foot stool that sets up in bed frame and well frame inboard down, the actuating mechanism that will drive the well frame and rise embeds the inside to the whole bed body, still can drive the plank on the frame in actuating mechanism promotes through elevator motor when promoting, thereby and the inboard that can hide the well frame with actuating mechanism when the shrink makes the height of the whole bed body, the width diminishes, be convenient for transportation and transport, and will drive the structure built-in, protection bearing structure that can be better and promotion structure, also be difficult for impairedly under the promotion state.

Description

Electric lifting bed with built-in driving structure

Technical Field

The utility model relates to an electric lifting bed, in particular to an electric lifting bed with a built-in driving structure.

Background

The electric lifting bed is characterized in that a wood board for supporting a human body is lifted or lowered through a plurality of driving structures, so that various activities can be conveniently carried out by a user, the structures of a bed body and supporting pieces are continuously increased due to the consideration of functions and safety performance of the conventional electric lifting bed, the overall structure is made to be too bulky, and meanwhile, in order to improve the supporting capacity, a supporting arm is usually arranged on the outer side of a lower frame, so that the middle frame has enough supporting force after being lifted, but on the one hand, the thickness of the bed body after being contracted is thicker, the portability and the transportation cost of carrying are influenced, and on the other hand, the appearance is influenced by the exposed supporting pieces and the driving structures, and the supporting pieces and the driving structures are also easily collided and damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric lifting bed with a built-in driving structure, which can effectively solve the problems.

The utility model discloses a realize like this:

an electric lift bed with a built-in drive structure, comprising:

the lower frame is connected in the enclosure frame, and a lifting motor is hinged in the lower frame;

the middle frame is movably connected with the lower frame, and a plurality of supporting wood boards are arranged at the top of the middle frame;

the inner sides of the lower frame and the middle frame are fixedly locked with fixing foot seats;

the inner side of the fixed foot seat is hinged with a driving mechanism, and the driving mechanism is hinged with an output shaft of the lifting motor.

As a further improvement, the driving mechanism includes a first driving frame hinged to the output shaft of the lifting motor, a second driving frame hinged to the bottom of the first driving frame, a first connecting rod movably connected to a hinge point of the first driving frame and the second driving frame, a third driving frame and a fourth driving frame with the other end of the first connecting rod as the hinge point, wherein the first driving frame, the second driving frame, the third driving frame and the fourth driving frame are of pi-like structures, and the cross rod part is hinged in the fixed foot seat.

As a further improvement, the second driving frame and the fourth driving frame are hinged by a second connecting rod.

As a further improvement, the fixing foot seat comprises a limiting hole facing the cross rod part and locking holes respectively arranged at two sides of the limiting hole, an anchor hole opposite to the locking hole is formed in the inner side of the lower frame, a rivet nut is riveted on the anchor hole, and a screw is locked in the rivet nut through the locking hole.

As a further improvement, the fixing foot seat further comprises a positioning hole, the positioning hole is aligned with the locking hole, and the rivet nut penetrates through the positioning hole and is riveted in the anchor hole.

As a further improvement, the fixed foot seat further comprises an arc-shaped groove which is used for clamping the cross rod part, and the arc-shaped groove and the limiting hole are located on the same axis.

As a further improvement, shaft sleeves are respectively sleeved at two ends of the cross rod parts of the first driving frame, the second driving frame, the third driving frame and the fourth driving frame, and the cross rod parts are clamped in the limiting holes through the shaft sleeves.

The utility model has the advantages that:

the utility model discloses a fixed foot stool that sets up in lower frame and well frame inboard, the inside to the whole bed body is built-in to the actuating mechanism that the frame rises in will driving, still can drive the plank on the frame in the actuating mechanism promotion through elevator motor when promoting, thereby the inboard that then can hide the well frame with actuating mechanism when the shrink makes the height of the whole bed body, the width diminishes, be convenient for transport and transport, and it is built-in to drive the structure, protection bearing structure that can be better and promotion structure, also be difficult impaired under the promotion state.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings which are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic view of a three-dimensional structure of an electric lifting bed with a built-in driving structure in a lifting state.

Fig. 2 is a schematic view of the elevation structure of the electric lifting bed with a built-in driving structure of the present invention in the ascending state.

Fig. 3 is a schematic structural view of the electric lift bed with a built-in driving structure in a descending state.

Fig. 4 is a schematic view of the back side of the electric lifting bed with a built-in driving structure in a descending state.

Fig. 5 is a schematic structural view of a fixing base of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying the number of indicated technical features. Thus, a feature defined as "first" or "second" 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 specifically limited otherwise.

In the middle of current beddo structure, it possesses the promotion structure equally, thereby it makes the plank that supports the user reach the purpose that rises and descend to drive the promotion structure through the motor, but the transmission arm of its drive structure all is fixed in the outside of underframe, when the bed body descends to draw in, can account for partly outside region, and have partly articulated structure and transmission structure also can expose externally, enlarged the shared volume of whole bed body among the intangible, no matter use or transport equal comparatively inconvenience, the event is in order to solve foretell problem, the utility model discloses a following scheme specifically does:

referring to fig. 1 to 5, an electric lift bed with a built-in driving structure includes: the lower frame 1 is connected in the enclosure frame, and a lifting motor 2 is hinged in the lower frame 1; the middle frame 3 is movably connected with the lower frame 1, and a plurality of supporting wood boards are arranged at the top of the middle frame 3; the inner sides of the lower frame 1 and the middle frame 3 are fixedly locked with fixing foot seats 4; the inner side of the fixed foot seat 4 is hinged with a driving mechanism, and the driving mechanism is hinged with an output shaft of the lifting motor 2.

Wherein, enclose the frame for the part of bed body chassis, underframe 1 is arranged in on it, when needs lift the lift bed, through drive elevator motor 2, make elevator motor 2 release actuating mechanism, thereby lead to actuating mechanism to be well frame jack-up, and then make a plurality of support planks on the well frame also by jack-up, accomplish whole promotion process, can see from the picture, on four positions of 3 inboard of well frame and underframe 1's four positions, all lock fixed foot stool 4, the activity fixed effect through eight fixed foot stools 4, thereby let actuating mechanism can swing joint in underframe 1's inboard, do not influence the effect of its support, can not occupy outside space when drawing in simultaneously.

The specific structure of the driving mechanism is as follows: the driving mechanism comprises a first driving frame 51 hinged with an output shaft of the lifting motor 2, a second driving frame 52 hinged at the bottom of the first driving frame 51, a first connecting rod 53 movably connected to a hinged point of the first driving frame 51 and the second driving frame 52, a third driving frame 54 and a fourth driving frame 55 with the other end of the first connecting rod 53 as a hinged point, wherein the first driving frame 51, the second driving frame 52, the third driving frame 54 and the fourth driving frame 55 are all of pi-shaped structures, the cross rods of the first driving frame 51, the second driving frame 54 and the fourth driving frame 55 are hinged in the fixed foot base 4, during driving, a main power source comes from the lifting motor 2, the driving structures mainly play a role of auxiliary support, when the lifting motor 2 outputs, the output shaft of the first driving frame 51 pushes the first driving frame 51, so that the first driving frame 51 drives the second driving frame 52 to ascend or descend, and the first driving frame 51 and the second driving frame 52 are movably connected with the third driving frame 54 and the fourth driving frame 55 through the first connecting rod 53, so that the first driving frame 51 and the second driving frame 52 and the third driving frame 53 and the fourth driving frame 55 ascend or the whole driving frame 53 synchronously.

In order to ensure that the middle frame 3 moves stably, all the driving frames are at least of a pi-shaped structure, namely, the driving frames are composed of a transverse rod part and at least two longitudinal rod parts, so that the effect of balancing left and right can be achieved.

In order to further improve the synchronization performance of the whole driving mechanism, the second driving frame 52 is hinged to the fourth driving frame 55 through the second connecting rod 56, so that the fourth driving frame 55 can be immediately driven to perform synchronous motion while the second driving frame 52 acts, the coordination capability among different frames is improved, and the stable lifting of the supporting wood board is promoted.

In the fixing process of the fixing foot seats 4, if the lower frame 1 and the middle frame 3 are simply punched and then fixed through bolts, what is difficult to avoid is that the outer sides of the lower frame 1 and the middle frame 3 are respectively provided with a protruding fixed nut or a protruding part of bolts, so that the lower frame 1 cannot be perfectly matched with the surrounding frame, a gap exists between the surrounding frame and the lower frame 1, the attractiveness is greatly reduced, and therefore, the technical problem is solved:

the fixing foot seat 4 comprises a direction limiting hole 41 of the cross rod part and locking holes 43 on two sides of the limiting hole 41, an anchor hole 11 opposite to the locking hole 43 is formed in the inner side of the lower frame 1, a rivet nut 12 is riveted on the anchor hole 11, a screw is locked in the rivet nut 12 through the locking hole 43, a hole does not need to be formed in the outer sides of the lower frame 1 and the middle frame 3 through the rivet nut 12 riveted in the rivet nut 12, the fixing of the fixing foot seat 4 is carried out on the inner side, the fixing effect is achieved, and the matching between the lower frame 1, the middle frame 3 and the surrounding frame is not influenced.

In the use process of the fixed foot seat 4, firstly, the inner sides of the lower frame 1 and the middle frame 3 are provided with the anchor holes 11, the upper riveting nut 12 is fixed, the locking hole 43 of the fixed foot seat 4 is aligned with the threaded hole of the riveting nut 12, the bolt penetrates through the locking hole 43 and is in threaded fit with the riveting nut 12, so that the fixed foot seat 4 is locked and fixed on the lower frame 1 and the middle frame 3, and the transverse rod part is limited in the inner side through the limiting hole 41 with the aperture opposite to that of the transverse rod part, so that a certain rotating space can exist, and the phenomenon of eccentric rotation cannot occur.

Because the internal diameter of the rivet nut 12 is the same as the bolt, and its external diameter is greater than the bolt, so the aperture of the rivet nut 12 is greater than the aperture of the locking hole 43, in the fixed foot stool 4, in order to abdicate the rivet nut 12, the fixed foot stool 4 still includes the locating hole 42, the locating hole 42 with the locking hole 43 is counterpointed, just the rivet nut 12 runs through the locating hole 42 riveting is in the anchor eye 11, the aperture of the locating hole 42 is greater than the locking hole 43 to this can encircle the outside of establishing the rivet nut 12 and abdicate, and it combines with the bolt to let the rivet nut 12.

In the other side of fixed foot stool 4, in order to have certain spacing guide effect in fixed foot stool 4 after drive frame horizontal pole part runs through spacing hole 41, fixed foot stool 4 still includes the joint the arc wall 44 of horizontal pole part, arc wall 44 with spacing hole 41 is in same axis, and after drive frame horizontal pole part runs through spacing hole 41, can be restricted by arc wall 44, can not take place the phenomenon of side to side beat at drive frame pivoted in-process, and stability is high.

No matter the support plank is in the in-process that rises or descends, first drive frame 51, second drive frame 52, third drive frame 54, fourth drive frame 55 all can take place to rotate, and at long-time rotation in-process, if drive frame does not have buffer structure with fixed foot stool 4, then form wearing and tearing easily between metalwork and the metalwork, and then influence pivoted progress, so first drive frame 51, second drive frame 52, third drive frame 54, the both ends of the horizontal pole part of fourth drive frame 55 all overlap and are equipped with axle sleeve A, the horizontal pole part passes through axle sleeve A joint is in spacing hole 41, can slow down wearing and tearing when rotating between the two through axle sleeve A, avoid influencing pivoted precision.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric lifting bed with a built-in driving structure, which is characterized by comprising:

the lower frame (1) is connected in the enclosure frame, and a lifting motor (2) is hinged in the lower frame (1);

the middle frame (3) is movably connected with the lower frame (1), and a plurality of supporting wood boards are arranged at the top of the middle frame (3);

the inner sides of the lower frame (1) and the middle frame (3) are fixedly locked with fixed foot seats (4);

the inner side of the fixed foot seat (4) is hinged with a driving mechanism, and the driving mechanism is hinged with an output shaft of the lifting motor (2).

2. The electric lifting bed with built-in driving structure according to claim 1, wherein the driving mechanism comprises a first driving frame (51) hinged to the output shaft of the lifting motor (2), a second driving frame (52) hinged to the bottom of the first driving frame (51), a first connecting rod (53) movably connected to the hinged point of the first driving frame (51) and the second driving frame (52), a third driving frame (54) and a fourth driving frame (55) with the other end of the first connecting rod (53) as the hinged point, the first driving frame (51), the second driving frame (52), the third driving frame (54) and the fourth driving frame (55) are all of pi-like structure, and the cross rod portions are hinged in the fixed foot seats (4).

3. An electric lifting bed with built-in driving structure according to claim 2, characterized in that the second driving frame (52) and the fourth driving frame (55) are hinged by a second connecting rod (56).

4. The electric lifting bed with built-in driving structure as claimed in claim 2, wherein said fixing foot seat (4) comprises a limiting hole (41) facing said cross bar portion, locking holes (43) respectively disposed at both sides of said limiting hole (41), an anchor hole (11) opposite to said locking hole (43) is opened at the inner side of said lower frame (1), a rivet nut (12) is riveted on said anchor hole (11), and a screw is locked in said rivet nut (12) through said locking hole (43).

5. An electric lifting bed with built-in driving structure according to claim 4, characterized in that the fixing foot seat (4) further comprises a positioning hole (42), the positioning hole (42) is aligned with the locking hole (43), and the rivet nut (12) is riveted in the anchor hole (11) through the positioning hole (42).

6. The electric lifting bed with the built-in driving structure as claimed in claim 5, characterized in that the fixing foot seat (4) further comprises an arc-shaped groove (44) for clamping the cross rod part, and the arc-shaped groove (44) and the limiting hole (41) are on the same axis.

7. The electric lifting bed with built-in driving structure as claimed in claim 4, wherein the two ends of the cross bar part of the first driving frame (51), the second driving frame (52), the third driving frame (54) and the fourth driving frame (55) are sleeved with bushings (A), and the cross bar part is clamped in the limiting hole (41) through the bushings (A).