CN114903310B - Foldable electric bed frame and electric bed - Google Patents
Foldable electric bed frame and electric bed Download PDFInfo
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- CN114903310B CN114903310B CN202210553686.1A CN202210553686A CN114903310B CN 114903310 B CN114903310 B CN 114903310B CN 202210553686 A CN202210553686 A CN 202210553686A CN 114903310 B CN114903310 B CN 114903310B
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- 230000004308 accommodation Effects 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 description 9
- 238000012856 packing Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
- A47C19/021—Bedstead frames
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/12—Folding bedsteads
- A47C19/122—Folding bedsteads foldable head to foot only
Abstract
The invention discloses a foldable electric bed frame and an electric bed, which comprise a back frame and a leg frame, wherein the leg frame is in clearance fit in an accommodating space and can move relative to the back frame so as to enable the leg frame to be in an unfolding state or a retraction state; the two connecting rods are respectively arranged at two sides of the first end of the leg frame, the first ends of the two connecting rods are respectively and rotatably connected with the first end of the leg frame, and the second ends of the two connecting rods are respectively connected with pulleys in the sliding grooves of the two back supporting rods. The foldable electric bed frame and the electric bed are easy to operate and labor-saving when the backrest frame and the leg frames are unfolded or folded.
Description
Technical Field
The invention relates to the technical field of furniture equipment, in particular to a foldable electric bed frame and an electric bed.
Background
Along with the improvement of the living standard of people, the electric bed is widely applied. The structure of the electric bed in the prior art comprises a bed frame, bed legs, a backrest bracket and a leg bracket which are connected to the bed frame, wherein one end of the backrest bracket is hinged with the leg bracket, and a driving motor capable of driving the backrest bracket to rotate is connected between the backrest bracket and the bed frame; the electric bed can adjust the sleeping posture, lying, sitting and other postures of the user, and relieves fatigue, so the electric bed is deeply favored by the user. In order to facilitate the cooperation with a common bed in a user's home, the electric bed frame of the electric bed in the prior art is generally configured independently, that is, the user only needs to purchase the electric bed frame, and then the electric bed frame is placed on a bed frame of the common bed, so that the common bed can be changed into the electric bed for use.
In order to reduce the packaging volume and save the packaging cost of the electric bed frame, the electric bed frame in the prior art is generally provided as a folding type, a split type or a drawing type. The folding bed frame is generally folded in half, namely, a backrest frame and a leg frame of the bed frame are connected in a rotating mode, the backrest frame and the leg frame are folded when the bed frame leaves a factory and packaged, and the backrest frame and the leg frame are rotated to be unfolded when the bed frame is used, for example, a patent application with the publication number of CN110123069A and the name of a mechanical turnover folding accompanying bed is disclosed, and in the disclosed structure, a left side plate and a right side plate are both rotatably connected with a middle web plate through connecting rods; the folding and unfolding device can save the packaging volume, and is unnecessary to assemble when a user purchases the folding and unfolding device, but the user needs to turn the left side plate and the right side plate 180 degrees in the process of turning and unfolding or folding, and because the left side plate and the right side plate are generally made of steel and have heavy weight, the folding and unfolding operations are difficult to complete for the old or the ladies with small strength. And the backrest frame and the leg frame of the split type electric bed frame are assembled and split through tools and connecting pieces when in use, and more screws that need to be connected cause more trouble in assembly, so that the user experience is poor. The second movable frame is inserted into the first frame and can do telescopic motion along the length direction relative to the first frame, and the second movable frame can be pulled out to prolong the length of the bed frame when the bed frame of the folding bed is used, but the second movable frame is tightly matched with the inner hole of the first frame, the friction force between the second movable frame and the first frame is larger, and the pulling out or retracting of the second movable frame is more laborious.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art, and provide the foldable electric bed frame which is simple and labor-saving to operate when the backrest frame and the leg frames are unfolded or folded.
The technical scheme of the invention is that a foldable electric bed frame with the following structure is provided: it comprises
The back frame comprises two back support rods which are arranged in parallel, an accommodating space is formed between the two back support rods, sliding grooves which extend along the length direction of the back support rods are formed in the inner side walls of the two back support rods, and pulleys which can slide along the length direction of the sliding grooves are in clearance fit in the sliding grooves;
a leg frame which is clearance-fitted in the accommodation space and is movable relative to the back frame so as to be in a deployed state in which the leg frame slides out of the accommodation space or in a retracted state in which the leg frame is retracted inward into the accommodation space;
the two connecting rods are respectively arranged at two sides of the first end of the leg frame, the first ends of the two connecting rods are respectively and rotatably connected with the first end of the leg frame, and the second ends of the two connecting rods are respectively connected with pulleys in the sliding grooves of the two back supporting rods;
when the leg frames are unfolded, the first ends of the leg frames are lifted upwards, the second ends of the leg frames are grounded, and the leg frames are driven outwards to slide out of the accommodating space, so that the leg frames are in an unfolded state; when the leg frame is retracted, the first end of the leg frame is lifted up again and the second end of the leg frame is grounded, and the leg frame is driven inward to retract into the accommodating space, so that the leg frame is in a retracted state.
After the structure is adopted, compared with the prior art, the foldable electric bed frame has the following advantages: when the leg frames are unfolded, the first ends of the leg frames are lifted upwards, the second ends of the leg frames are grounded, the leg frames are pushed outwards, the leg frames slide out of the accommodating space, and the leg frames are in an unfolded state; when the leg frame is retracted, the first end of the leg frame is lifted up again and the second end of the leg frame is grounded, and the leg frame is driven inward to retract into the accommodating space, so that the leg frame is in a retracted state. The first end of the leg frame is connected with the pulleys in the back supporting rod sliding groove through the two connecting rods, and when the leg frame slides in an unfolding or retracting mode relative to the back frame, only the second end of the leg frame is grounded, so that the friction force of the leg frame in moving is small, and the unfolding or retracting of the leg frame is labor-saving; in addition, the first end of the leg frame is provided with two connecting rods, when the first end of the leg frame is lifted upwards, the lifting height of the first end of the leg frame is limited, the lifting operation of a user is facilitated, and the leg frame and the back frame are connected more stably and firmly due to the two connecting rods. Furthermore, the leg frame is positioned in the accommodating space formed between the two back support rods of the back frame when in a retracted state, so that the overall thickness of the electric bed frame is smaller, the packaging volume is saved, and the packaging cost is saved.
Preferably, the second end of the leg frame is connected with a roller, and the roller can be grounded when the leg frame is unfolded or retracted and the first end of the leg frame is lifted upwards. The arrangement further reduces the friction force between the second end of the leg frame and the ground or the bed frame when the leg frame is unfolded or retracted to slide, so that the leg frame slides more easily and more conveniently, and the folding or unfolding operation of the leg frame can be easily completed for the old or the ladies with little effort.
Preferably, a first limiting protrusion protruding into the chute is arranged in the chute and close to the first end of the chute, and a first limiting part for accommodating the pulley is formed between the first limiting protrusion and the end face of the first end of the chute; a second limiting protrusion protruding into the chute is arranged in the chute and close to the second end of the chute, and a second limiting part for accommodating the pulley is formed between the second limiting protrusion and the end face of the second end of the chute; the pulley is positioned in the first limiting part when the leg frame is in the unfolded state, and the pulley is positioned in the second limiting part when the leg frame is in the retracted state. The first limiting protrusions and the second limiting protrusions are arranged, so that when the leg frames are in an unfolding state or a retracting state, the movement of the pulleys can be limited, the leg frames are prevented from being moved by unexpected force, and therefore the structural stability of the electric bed frames is good.
Preferably, the leg frame comprises two leg supporting rods which are arranged in parallel, the two connecting rods are respectively positioned at the outer sides of the two leg supporting rods, and the first ends of the two connecting rods are respectively hinged with the outer side walls of the first ends of the two leg supporting rods; the bottoms of the first ends of the two leg support rods are connected with a first connecting rod, the second ends of the two leg support rods are connected with a second connecting rod, and the idler wheels are connected to the second connecting rod; the two ends of the second connecting rod extend outwards from the outer side wall of the leg supporting rod and form an abutting part, and when the leg frame is in a retracted state, the abutting part abuts against the second end face of the back supporting rod. The abutting part formed by the parts, extending out of the outer sides of the leg support rods, of the two ends of the second connecting rod can abut against the second end face of the back support rods when the leg frames are in a retracted state, so that the pulleys are prevented from being damaged due to overlarge force when the leg frames are retracted.
Preferably, the first ends of the two back support rods are connected with a third connecting rod, the bottoms of the second ends of the two back support rods are connected with a fourth connecting rod, at least one part of the fourth connecting rod extends out of the second end face of the back support rod along the length direction of the back support rod, an accommodating step for accommodating the second connecting rod is formed between the top of the fourth connecting rod and the second end face of the back support rod, and when the leg frame is in a retracted state, the second connecting rod is accommodated on the accommodating step, and the tops of the two leg support rods are flush with the top of the back support rod. The accommodation step formed between the extension part of the fourth connecting rod and the second end surface of the back supporting rod can accommodate the second connecting rod of the leg frame when the leg frame is in a retracted state, so that the electric bed frame is more compact in structure and smaller in volume when the electric bed frame is in a retracted or folded state.
Preferably, when the leg frame is in the unfolded state, the first connecting rods at the first ends of the two leg support rods are located at the outer sides of the fourth connecting rods at the second ends of the two back support rods, and one side, close to the back frame, of the first connecting rods abuts against one side, far away from the back frame, of the fourth connecting rods. When the leg frame is in the unfolding state, the first connecting rod is propped against the fourth connecting rod, so that the leg frame can be effectively prevented from moving towards the back frame due to unexpected force, and the safety of the electric bed frame during unfolding is high.
According to another technical scheme, the electric bed comprises the foldable electric bed frame and the bed plate assembly connected to the frame, wherein the bed plate assembly comprises a back bed plate assembly connected with a back frame and a leg bed plate assembly connected with a leg frame, the back frame is connected with a first driving device for driving the back bed plate assembly to rotate, and the leg frame is connected with a second driving device for driving the leg bed plate assembly to rotate.
As a preferred embodiment of the electric bed, the back bed board assembly comprises a first plate, a second plate and a third plate which are sequentially distributed along the length direction of the back frame, wherein the first plate and the second plate as well as the second plate and the third plate are connected through soft connecting pieces and are used for enabling the adjacent plates to rotate; the leg bed board assembly comprises a fourth plate and a fifth plate which are sequentially distributed along the length direction of the leg frame, and the fourth plate and the fifth plate are connected through a soft connecting piece; a connecting rod is respectively arranged at two sides of the back frame, a first end of the connecting rod is rotatably connected with the first plate, and a second end of the connecting rod is rotatably connected with the outer side wall of the back frame; the third plate is connected with the back frame, and the fourth plate is connected with the leg frame.
Preferably, the first driving device comprises a first push rod rotatably connected between two back support rods of the back frame, two first push arms are connected to the first push rod, and the free ends of the two first push arms are connected with a first push wheel; the first push rod is hinged with the third connecting rod at the first ends of the two back support rods, the first end of the first push rod is hinged with the third connecting rod, the second end of the first push rod is hinged with the first push rod, the first push rod is used for driving the first push rod to rotate, and the first push wheel on the first push arm pushes the first plate and the second plate to rotate relative to the third plate.
Preferably, the second driving device comprises a second push rod rotatably connected between two leg support rods of the leg frame, two second push arms are connected to the second push rod, and the free ends of the two second push arms are connected with a second push wheel; the second push rod is hinged with the second connecting rod at the second ends of the two leg support rods, the first end of the second push rod is hinged with the second connecting rod, the second end of the second push rod is hinged with the second push rod, and the second push rod is used for driving the second push rod to rotate, so that a second push wheel on the second push arm pushes the fifth plate to rotate relative to the fourth plate.
After adopting the structure, compared with the prior art, the electric bed has the following advantages: the foldable electric bed frame in the technical scheme is adopted by the electric bed, so that the electric bed frame is simple and labor-saving to operate when being unfolded or retracted, and the electric bed frame is small in size after being folded, so that the packaging cost is saved; furthermore, the electric bed frame, the back bed board assembly, the leg bed board assembly, the first driving device and the second driving device of the electric bed can be placed in a packing box after being detached, so that the packing volume is reduced, and the packing cost is saved.
Drawings
Fig. 1 is a schematic view showing a structure of a retracted state of a foldable electric bed frame of the present invention.
Fig. 2 is a schematic view showing the structure of a foldable electric bed frame according to the present invention when the frame is unfolded.
Fig. 3 is a schematic view showing another angle structure of the foldable electric bed frame of the present invention when unfolded.
Fig. 4 is a schematic view showing a structure of an unfolded state of a foldable electric bed frame according to the present invention.
Fig. 5 is a schematic view showing a partial structure of a back support bar of a foldable electric bed frame according to the present invention.
Fig. 6 is a schematic view of the back structure of an electric bed according to the present invention.
As shown in the figure:
1. back frame, 100, accommodation space, 101, back support bar, 102, chute, 103, pulley, 104, third connection bar, 105, fourth connection bar, 106, accommodation step, 107, first spacing protrusion, 108, first spacing protrusion, 109, second spacing protrusion, 110, second spacing protrusion, 2, leg frame, 200, leg support bar, 201, first connection bar, 202, second connection bar, 203, roller, 3, connection bar, 4, back bed plate assembly, 400, first plate, 401, second plate, 402, third plate, 5, leg bed plate assembly, 500, fourth plate, 501, fifth plate, 6, soft connection piece, 7, first electric putter, 700, first putter, 701, first pusher arm, 702, first pusher wheel, 8, second electric putter, 800, second putter, 801, second pusher arm, 802, second pusher wheel.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
See fig. 1-5;
the embodiment of the invention discloses a foldable electric bed frame, which structurally comprises a back frame 1 and a leg frame 2, wherein the back frame 1 comprises two back support rods 101 which are arranged in parallel, an accommodating space 100 is formed between the two back support rods 101, a first end of each back support rod 101 is connected with a third connecting rod 104, the bottoms of second ends of the two back support rods 101 are connected with a fourth connecting rod 105, at least one part of the fourth connecting rod 105 extends out of the second end surface of the back support rod 101 along the length direction of the back support rod 101, and an accommodating step 106 is formed between the top of the fourth connecting rod 105 and the second end surface of the back support rod 101; the two back support bars 101, the third connecting bar 104 and the fourth connecting bar 105 are arranged around the rectangular back frame 1; the two back support rods 101 are hollow metal tubes, the inner side walls of the two back support rods 101 are provided with sliding grooves 102 extending along the length direction of the back support rods 101, pulleys 103 capable of sliding along the length direction of the sliding grooves 102 are in clearance fit in the sliding grooves 102, and the pulleys 103 in the embodiment are soft pulleys 103 made of rubber; the leg frame 2 comprises two leg supporting rods 200 which are arranged in parallel, a first connecting rod 201 is connected to the bottoms of the first ends of the two leg supporting rods 200, a second connecting rod 202 is connected to the second ends of the two leg supporting rods 200, and the two leg supporting rods 200, the first connecting rod 201 and the second connecting rod 202 are enclosed to form a rectangular leg frame 2; the leg frame 2 is clearance-fitted in the accommodation space 100 of the back frame 1, and the leg frame 2 is movable relative to the back frame 1 so that the leg frame 2 is in a deployed state in which the leg frame 2 slides out of the accommodation space 100 or in a retracted state in which the leg frame 2 is retracted inwardly into the accommodation space 100.
The foldable electric bed frame further comprises two connecting rods 3, wherein the two connecting rods 3 are respectively arranged at two sides of the first end of the leg frame 2, the first ends of the two connecting rods 3 are respectively and rotatably connected with the first end of the leg frame 2, and the second ends of the two connecting rods 3 are respectively connected with pulleys 103 in sliding grooves 102 of the two back supporting rods 101; specifically, the two connecting rods 3 are respectively located at the outer sides of the two leg support rods 200, and the first ends of the two connecting rods 3 are respectively hinged with the outer side walls of the first ends of the two leg support rods 200; when the leg frame 2 is unfolded, the first end of the leg frame 2 is lifted upwards, the first end of the leg frame 2 drives the two connecting rods 3 to rotate clockwise by a certain angle theta, wherein theta is larger than 90 degrees and smaller than 180 degrees, at the moment, the second end of the leg frame 2 is grounded, the leg frame 2 is driven to slide outwards by force, the leg frame 2 slides out of the accommodating space 100, when the leg frame 2 slides out of the accommodating space 100, the first end of the leg frame 2 is loosened, the first end of the leg frame 2 rotates downwards under the action of gravity, the connecting rods 3 are in a horizontal state, at the moment, the connecting rods 3 rotate clockwise by 180 degrees, and at the moment, the leg frame 2 is in an unfolded state; when the leg frame 2 is retracted, the first end of the leg frame 2 is lifted up again, so that the first end of the leg frame 2 drives the two connecting rods 3 to rotate anticlockwise by a certain angle theta, wherein theta is larger than 90 degrees and smaller than 180 degrees, at the moment, the second end of the leg frame 2 is grounded, the leg frame 2 is driven to slide inwards by force, the leg frame 2 is retracted into the accommodating space 100, when the leg frame 2 is retracted into the accommodating space 100, the first end of the leg frame 2 is loosened, the first end of the leg frame 2 rotates downwards under the action of gravity, the connecting rods 3 are in a horizontal state, at the moment, the connecting rods 3 rotate anticlockwise by 180 degrees, and the leg frame 2 is in a retracted state or an original folded state before being unfolded.
Therefore, the first end of the leg frame 2 is connected with the pulley 103 in the chute 102 of the back supporting rod 101 through the two connecting rods 3, and when the leg frame 2 slides in an unfolding or retracting manner relative to the back frame 1, only the second end of the leg frame 2 is grounded, so that the friction force of the leg frame 2 for moving is small, and the unfolding or retracting of the leg frame 2 is labor-saving; in addition, the first end of the leg frame 2 is provided with two connecting rods 3, when the first end of the leg frame 2 is lifted upwards, the height of the first end of the leg frame 2 is limited, the lifting operation of a user is facilitated, and the leg frame 2 and the back frame 1 are connected more stably and firmly due to the two connecting rods 3. Furthermore, the leg frame 2 is positioned in the accommodating space 100 formed between the two back support rods 101 of the back frame 1 when in the retracted state, so that the overall thickness of the electric bed frame is smaller, thereby saving the packaging volume and the packaging cost.
Referring again to fig. 2, as one embodiment of the present invention; a roller 203 is connected to the second end of the leg frame 2, which roller 203 can be brought to the ground when the leg frame 2 is extended or retracted and the first end of the leg frame 2 is lifted upwards. In this embodiment, two rollers 203 are connected to the second connecting rod 202 of the leg frame 2. In the unfolding or retracting sliding of the leg frame 2, the rollers 203 at the second end of the leg frame 2 further reduce the friction force of the second end of the leg frame 2 contacting the ground or the bed frame, so that the sliding of the leg frame 2 is more labor-saving and smoother, and the folding or unfolding operation of the leg frame 2 can be easily completed for the elderly or the ladies with little effort.
Referring again to fig. 4 and 5, as one embodiment of the present invention; a first limiting protrusion 107 protruding into the sliding groove 102 is arranged in the sliding groove 102 of the back supporting rod 101 and close to the first end of the sliding groove 102, and a first limiting part 108 for accommodating the pulley 103 is formed between the first limiting protrusion 107 and the first end face of the sliding groove 102; a second limiting protrusion 109 protruding into the sliding groove 102 is arranged in the sliding groove 102 and near the second end of the sliding groove 102, and a second limiting portion 110 for accommodating the pulley 103 is formed between the second limiting protrusion 109 and the second end face of the sliding groove 102; the pulley 103 is located in the first limit portion 108 when the leg frame 2 is in the extended state, and the pulley 103 is located in the second limit portion 110 when the leg frame 2 is in the retracted state. The arrangement of the first limiting protrusion 107 and the second limiting protrusion 109 can limit the movement of the pulley 103 when the leg frame 2 is in the unfolded state or the retracted state, so that the leg frame 2 is prevented from moving due to unexpected force, and the structural stability of the electric bed frame is good. The first limiting protrusion 107 and the second limiting protrusion 109 of the present embodiment are formed integrally with the sliding groove 102 when the sliding groove 102 is formed on the back support rod 101, and the first limiting protrusion 107 and the second limiting protrusion 109 are in smooth transition with the inner wall of the sliding groove 102.
Referring again to fig. 1, in this embodiment, both ends of the second connecting rod 202 extend outward from the outer side wall of the leg support rod 200 and form an abutment portion that abuts against the second end face of the back support rod 101 when the leg frame 2 is in the retracted state. This avoids damaging the pulley 103 with excessive force when the leg frame 2 is retracted. Moreover, when the leg frame 2 is in the retracted state, the second connecting rod 202 is accommodated on the accommodating step 106, and the tops of the two leg supporting rods 200 are flush with the top of the back supporting rod 101, so that the electric bed frame is more compact and smaller in size when in the retracted or folded state.
Referring again to fig. 4, in the present embodiment, when the leg frame 2 is in the unfolded state, the first connecting rod 201 at the first end of the two leg support rods 200 is located outside the fourth connecting rod 105 at the second end of the two back support rods 101, and the side of the first connecting rod 201 near the back frame 1 abuts against the side of the fourth connecting rod 105 away from the back frame 1. In this way, when the leg frame 2 is in the unfolded state, the first connecting rod 201 abuts against the fourth connecting rod 105, so that the leg frame 2 can be effectively prevented from moving toward the back frame 1 due to unexpected force, and the safety of the electric bed frame during unfolding is high.
Referring to fig. 6, another embodiment of the present invention discloses an electric bed, which comprises the foldable electric bed frame and a bed board assembly connected to the frame, wherein the bed board assembly comprises a back bed board assembly 4 connected with a back frame 1 and a leg bed board assembly 5 connected with a leg frame 2, the back frame 1 is connected with a first driving device for driving the back bed board assembly 4 to rotate, and the leg frame 2 is connected with a second driving device for driving the leg bed board assembly 5 to rotate. Specifically, in this embodiment of the electric bed, the back bed board assembly 4 includes a first plate 400, a second plate 401 and a third plate 402 sequentially distributed along the length direction of the back frame 1, and the first plate 400 and the second plate 401 and the third plate 402 are connected by soft connectors 6, so as to enable rotation between adjacent plates; the leg bed board assembly 5 comprises a fourth board 500 and a fifth board 501 which are sequentially distributed along the length direction of the leg frame 2, and the fourth board 500 and the fifth board 501 are connected through a soft connecting piece 6; two sides of the back frame 1 are respectively provided with a pull rod, a first end of the pull rod is rotatably connected with the first plate 400, and a second end of the pull rod is rotatably connected with the outer side wall of the back frame 1; the third plate 402 is connected to the back frame 1 and the fourth plate 500 is connected to the leg frame 2. In the present embodiment, the first plate 400, the second plate 401, the third plate 402, the fourth plate 500, and the fifth plate 501 are all wood plates; the soft connecting piece 6 connected between the plates is a soft rubber connecting piece, when the first driving device drives the first plate 400 to rotate upwards, the first plate 400 can be linked with the second plate 401 to rotate together, and relative rotation can also occur between the first plate 400 and the second plate 401. The flexible connector 6 of this embodiment may be a hinge, which may be plastic or metal, and may be a rubber pad under the metal hinge when the metal hinge is used, so as to prevent noise.
In this embodiment, the first driving device includes a first push rod 700 rotatably connected between two back support rods 101 of the back frame 1, two first push arms 701 are connected to the first push rod 700, and the free ends of the two first push arms 701 are connected to a first push wheel 702; a first electric push rod 7 is arranged between the first push rod 700 and the third connecting rod 104 at the first ends of the two back supporting rods 101, the first ends of the first electric push rods 7 are hinged to the third connecting rod 104, the second ends of the electric push rods are hinged to the first push rod 700, the first electric push rod 7 is used for driving the first push rod 700 to rotate, and the first pushing wheel 702 on the first pushing arm 701 pushes the first plate 400 and the second plate 401 to rotate relative to the third plate 402. The second driving device comprises a second push rod 800 rotatably connected between the two leg support rods 200 of the leg frame 2, two second push arms 801 are connected to the second push rod 800, and the free ends of the two second push arms 801 are connected to a second push wheel 802; a second electric push rod 8 is arranged between the second push rod 800 and the second connecting rods 202 at the second ends of the two leg support rods 200, the first end of the second electric push rod 8 is hinged to the second connecting rods 202, the second end of the electric push rod is hinged to the second push rod 800, and the second electric push rod 8 is used for driving the second push rod 800 to rotate, so that the second push wheel 802 on the second push arm 801 pushes the fifth plate 501 to rotate relative to the fourth plate 500. The foldable electric bed frame in the technical scheme is adopted by the electric bed, so that the electric bed frame is simple and labor-saving to operate when being unfolded or retracted, and the electric bed frame is small in size after being folded, so that the packaging cost is saved; furthermore, the electric bed frame, the back bed board assembly 4, the leg bed board assembly 5, the first driving device and the second driving device of the electric bed can be placed in a packing box after being detached, so that the packing volume is reduced, and the packing cost is saved.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A foldable electric bed frame, characterized in that: it comprises
The back frame comprises two back support rods which are arranged in parallel, an accommodating space is formed between the two back support rods, sliding grooves which extend along the length direction of the back support rods are formed in the inner side walls of the two back support rods, and pulleys which can slide along the length direction of the sliding grooves are in clearance fit in the sliding grooves;
a leg frame which is clearance-fitted in the accommodation space and is movable relative to the back frame so as to be in a deployed state in which the leg frame slides out of the accommodation space or in a retracted state in which the leg frame is retracted inward into the accommodation space;
the two connecting rods are respectively arranged at two sides of the first end of the leg frame, the first ends of the two connecting rods are respectively and rotatably connected with the first end of the leg frame, and the second ends of the two connecting rods are respectively connected with pulleys in the sliding grooves of the two back supporting rods;
when the leg frames are unfolded, the first ends of the leg frames are lifted upwards, the second ends of the leg frames are grounded, and the leg frames are driven outwards to slide out of the accommodating space, so that the leg frames are in an unfolded state; when the leg frame is retracted, the first end of the leg frame is lifted up again and the second end of the leg frame is grounded, and the leg frame is driven inward to retract into the accommodating space, so that the leg frame is in a retracted state.
2. A foldable electric bed frame as set forth in claim 1 wherein: the second end of the leg frame is connected with a roller, and the roller can be grounded when the leg frame is unfolded or retracted and the first end of the leg frame is lifted upwards.
3. A foldable electric bed frame as set forth in claim 1 wherein: a first limiting protrusion protruding into the chute is arranged in the chute and close to the first end of the chute, and a first limiting part for accommodating the pulley is formed between the first limiting protrusion and the end face of the first end of the chute; a second limiting protrusion protruding into the chute is arranged in the chute and close to the second end of the chute, and a second limiting part for accommodating the pulley is formed between the second limiting protrusion and the end face of the second end of the chute; the pulley is positioned in the first limiting part when the leg frame is in the unfolded state, and the pulley is positioned in the second limiting part when the leg frame is in the retracted state.
4. A foldable electric bed frame as claimed in claim 2 wherein: the leg frame comprises two leg supporting rods which are arranged in parallel, the two connecting rods are respectively positioned at the outer sides of the two leg supporting rods, and the first ends of the two connecting rods are respectively hinged with the outer side walls of the first ends of the two leg supporting rods; the bottoms of the first ends of the two leg support rods are connected with a first connecting rod, the second ends of the two leg support rods are connected with a second connecting rod, and the idler wheels are connected to the second connecting rod; the two ends of the second connecting rod extend outwards from the outer side wall of the leg supporting rod and form an abutting part, and when the leg frame is in a retracted state, the abutting part abuts against the second end face of the back supporting rod.
5. The foldable electric bed frame of claim 4, wherein: the first ends of the two back support rods are connected with a third connecting rod, the bottoms of the second ends of the two back support rods are connected with a fourth connecting rod, at least one part of the fourth connecting rod extends out of the second end face of the back support rod along the length direction of the back support rod, an accommodating step for accommodating the second connecting rod is formed between the top of the fourth connecting rod and the second end face of the back support rod, and when the leg frames are in a retracted state, the second connecting rod is accommodated on the accommodating step, and the tops of the two leg support rods are flush with the top of the back support rod.
6. The foldable electric bed frame of claim 5, wherein: when the leg frame is in an unfolding state, the first connecting rods at the first ends of the two leg supporting rods are positioned at the outer sides of the fourth connecting rods at the second ends of the two back supporting rods, and one side, close to the back frame, of the first connecting rods is abutted against one side, far away from the back frame, of the fourth connecting rods.
7. An electric bed, characterized in that: the foldable electric bed comprises a foldable electric bed frame and a bed board assembly connected to the frame, wherein the bed board assembly comprises a back bed board assembly connected with a back frame and a leg bed board assembly connected with a leg frame, the back frame is connected with a first driving device for driving the back bed board assembly to rotate, and the leg frame is connected with a second driving device for driving the leg bed board assembly to rotate.
8. The electric bed of claim 7, wherein: the back bed board assembly comprises a first plate, a second plate and a third plate which are sequentially distributed along the length direction of the back frame, and the first plate and the second plate as well as the second plate and the third plate are connected through soft connecting pieces and are used for enabling the adjacent plates to rotate; the leg bed board assembly comprises a fourth plate and a fifth plate which are sequentially distributed along the length direction of the leg frame, and the fourth plate and the fifth plate are connected through a soft connecting piece; a connecting rod is respectively arranged at two sides of the back frame, a first end of the connecting rod is rotatably connected with the first plate, and a second end of the connecting rod is rotatably connected with the outer side wall of the back frame; the third plate is connected with the back frame, and the fourth plate is connected with the leg frame.
9. The electric bed of claim 8, wherein: the first driving device comprises a first push rod rotatably connected between two back support rods of the back frame, two first push arms are connected to the first push rod, and the free ends of the two first push arms are connected with first push wheels; the first push rod is hinged with the third connecting rod at the first ends of the two back support rods, the first end of the first push rod is hinged with the third connecting rod, the second end of the first push rod is hinged with the first push rod, the first push rod is used for driving the first push rod to rotate, and the first push wheel on the first push arm pushes the first plate and the second plate to rotate relative to the third plate.
10. The electric bed of claim 9, wherein: the second driving device comprises a second push rod which is rotatably connected between two leg support rods of the leg frame, two second push arms are connected to the second push rod, and the free ends of the two second push arms are connected with second push wheels; the second push rod is hinged with the second connecting rod at the second ends of the two leg support rods, the first end of the second push rod is hinged with the second connecting rod, the second end of the second push rod is hinged with the second push rod, and the second push rod is used for driving the second push rod to rotate, so that a second push wheel on the second push arm pushes the fifth plate to rotate relative to the fourth plate.
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| CN202210553686.1A CN114903310B (en) | 2022-05-20 | 2022-05-20 | Foldable electric bed frame and electric bed |
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| CN202210553686.1A CN114903310B (en) | 2022-05-20 | 2022-05-20 | Foldable electric bed frame and electric bed |
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| CN114903310B true CN114903310B (en) | 2023-12-01 |
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| Publication number | Publication date |
|---|---|
| CN114903310A (en) | 2022-08-16 |
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