CN114903310A - Foldable electric bed frame and electric bed - Google Patents
Foldable electric bed frame and electric bed Download PDFInfo
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- CN114903310A CN114903310A CN202210553686.1A CN202210553686A CN114903310A CN 114903310 A CN114903310 A CN 114903310A CN 202210553686 A CN202210553686 A CN 202210553686A CN 114903310 A CN114903310 A CN 114903310A
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- 230000007480 spreading Effects 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 description 9
- 238000012856 packing Methods 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005267 amalgamation Methods 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
- 229920003023 plastic Polymers 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
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- 230000007306 turnover Effects 0.000 description 1
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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
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- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a foldable electric bed frame and an electric bed, comprising 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 retracting state; the two connecting rods are respectively arranged on two sides of the first end of the leg frame, the first ends of the two connecting rods are respectively rotatably connected with the first ends 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 have the advantages that the operation is simple and labor-saving when the backrest frame and the leg frame 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
With the improvement of 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 support and a leg support, wherein the backrest support and the leg support are connected to the bed frame; the electric bed can adjust the sleeping posture, lying posture, sitting posture and the like of a user and relieve fatigue, so the electric bed is deeply loved by the user. In order to be convenient for the electric bed in the prior art to be matched with a common bed in a user's home for use, the electric bed frame is generally independently configured, namely, the user only needs to purchase the electric bed frame, and then the electric bed frame is placed on the 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 of the electric bed frame and save the packaging cost, the electric bed frame in the prior art is generally arranged in a folding type, a split type or a drawing type. The folding bed frame is generally arranged in a folded manner, namely, a backrest frame and a leg frame of the bed frame are connected in a rotating manner, the folding bed frame and the leg frame are folded when the bed frame is delivered from a factory and packaged, and the folding bed frame and the leg frame are rotated and opened when the bed frame is used, for example, the patent application with the publication number of CN110123069A and the name of a mechanical turnover folding type accompanying bed, wherein a left side plate and a right side plate in the disclosed structure are both rotatably connected with a middle breadth plate through connecting rods; although the packaging volume can be saved, and the user does not need to assemble when buying the package, the user needs to turn the left side plate and the right side plate 180 degrees in the process of turning, unfolding or folding, and the left side plate and the right side plate are generally made of steel and have heavier weight, so that the user needs to consume larger strength, and the user is difficult to fold or unfold for old people or women with less strength. And the back frame and the shank frame of split type electric bed frame assemble the amalgamation through instrument and connecting piece when using, and it needs the more troublesome than equipment that leads to of screw of connecting, and user experience feels relatively poor. The drawable bed frame, as disclosed in the patent application CN112914296A entitled as a foldable bed, has a second movable frame inserted into the first frame and capable of performing a telescopic motion in a length direction relative to the first frame, and when the drawable bed frame is used, the second movable frame can be drawn out to extend the length of the bed frame, but the second movable frame is tightly fitted with the inner hole of the first frame, so that the friction force between the second movable frame and the inner hole of the first frame is large, and the drawing out or retracting of the second movable frame is laborious.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a foldable electric bed frame which is simple and labor-saving to operate when a backrest frame and a leg frame are unfolded or folded.
The technical scheme of the invention is to provide a foldable electric bed frame with the following structure: 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 in clearance fit in the accommodating space and can move relative to the back frame so as to enable the leg frame to be in a spreading state or a retracting state, wherein in the spreading state, the leg frame slides outwards out of the accommodating space, and in the retracting state, the leg frame retracts inwards into the accommodating space;
the two connecting rods are respectively arranged on two sides of the first end of the leg frame, the first ends of the two connecting rods are respectively 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 frame is unfolded, the first end of the leg frame is lifted upwards, the second end of the leg frame is grounded, and the leg frame is driven outwards to slide out of the accommodating space, so that the leg frame is in an unfolded state; when the leg frame retracts, the first end of the leg frame is lifted upwards again and the second end of the leg frame is grounded, and the leg frame is driven inwards 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 foldable electric bed frame is unfolded, the first end of the leg frame is lifted upwards, the second end of the leg frame is grounded, the leg frame is pushed outwards, the leg frame slides out of the accommodating space, and the leg frame is in an unfolded state; when the leg frame retracts, the first end of the leg frame is lifted upwards again and the second end of the leg frame is grounded, and the leg frame is driven inwards 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 pulley in the chute of the back support rod through two connecting rods, and only the second end of the leg frame is grounded when the leg frame slides relative to the back frame during expansion or retraction, so that the friction force of the leg frame in movement is small, and the expansion or retraction of the leg frame is labor-saving; in addition, the arrangement of the two connecting rods at the first end of the leg frame can limit the lifting height of the first end of the leg frame when the first end of the leg frame is lifted upwards, so that the lifting operation of a user is facilitated, and the arrangement of the two connecting rods can enable the leg frame and the back frame to be connected more stably and firmly. Moreover, the leg frame is located in the accommodation space formed between the two back support rods of the back frame when in the retraction state, so that the whole thickness of the electric bed frame is smaller, the packaging volume is saved, and the packaging cost is saved.
Preferably, a roller is connected to the second end of the leg frame, and the roller is grounded when the leg frame is extended or retracted and the first end of the leg frame is lifted upward. With the arrangement, when the leg frame is unfolded or retracted to slide, the arrangement of the rollers at the second end of the leg frame further reduces the friction force between the second end of the leg frame and the ground or the bed frame, so that the leg frame can slide more easily and smoothly, and the folding or unfolding operation of the leg frame can be easily completed for the old or the weak women.
Preferably, a first limiting bulge protruding into the sliding groove is arranged in the sliding groove and close to the first end of the sliding groove, and a first limiting part for accommodating the pulley is formed between the first limiting bulge and the first end face of the sliding groove; a second limiting bulge protruding inwards the sliding groove is arranged in the sliding groove and close to the second end of the sliding groove, and a second limiting part for accommodating the pulley is formed between the second limiting bulge and the end face of the second end of the sliding groove; when the leg frame is in the unfolding state, the pulley is positioned in the first limiting part, and when the leg frame is in the retracting state, the pulley is positioned in the second limiting part. The arrangement of the first limiting protrusion and the second limiting protrusion can limit the movement of the pulley when the leg frame is in an unfolding state or a retracting state, and the leg frame is prevented from moving accidentally and forcefully, so that the electric bed frame is good in structural stability.
Preferably, the leg frame comprises two leg support rods arranged in parallel, the two connecting rods are respectively positioned at the outer sides of the two leg support 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 support rods; the bottoms of the first ends of the two leg supporting rods are connected with a first connecting rod, the second ends of the two leg supporting rods are connected with a second connecting rod, and the rollers are connected to the second connecting rod; the both ends of second connecting rod all outwards stretch out the lateral wall of shank bracing piece and form and support the portion of leaning on, when shank frame is in the retraction state, the portion of leaning on support the second end terminal surface of portion and back bracing piece and support. The supporting part formed by the part of the two ends of the second connecting rod extending out of the outer side of the leg supporting rod can be abutted against the second end face of the back supporting rod when the leg frame is in a retraction state, so that the pulley is prevented from being damaged by excessive force when the leg frame is 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 end face of the second end of the back support rod along the length direction of the back support rod, and an accommodating step for accommodating the second connecting rod is formed between the top of the fourth connecting rod and the end face of the second end of the back support rod. The holding step that forms between the extension of fourth connecting rod and the back bracing piece second end terminal surface can hold the second connecting rod of shank frame when the shank frame is in the state of withdrawing to make the beddo frame when withdrawal or fold condition, the structure is compacter, the volume is littleer.
Preferably, when the leg frame is in the unfolded state, the first connecting rods at the first ends of the two leg supporting rods are located outside the fourth connecting rods at the second ends of the two back supporting rods, and one side of the first connecting rods, which is close to the back frame, abuts against one side of the fourth connecting rods, which is far away from the back frame. Due to the arrangement, when the leg frame is in an unfolded state, the first connecting rod and the fourth connecting rod are abutted, so that the leg frame can be effectively prevented from moving towards the back frame due to accidental force exertion, and the safety of the electric bed frame during unfolding is high.
Another technical solution of the present invention is to provide an electric bed, which includes the foldable electric bed frame according to any one of the above technical solutions and a bed board assembly connected to the frame, wherein the bed board assembly includes a back bed board assembly connected to the back frame and a leg bed board assembly connected to the leg frame, the back frame is connected to a first driving device for driving the back bed board assembly to rotate, and the leg frame is connected to a second driving device for driving the leg bed board assembly to rotate.
As a preferred embodiment of the electric bed, the back bed board assembly comprises a first board, a second board and a third board which are sequentially distributed along the length direction of the back frame, and the first board and the second board and the third board are connected through soft connecting pieces and used for enabling adjacent boards to rotate; the leg bed board assembly comprises a fourth board and a fifth board which are sequentially distributed along the length direction of the leg frame, and the fourth board and the fifth board are connected through a soft connecting piece; two sides of the back frame are respectively provided with a connecting rod, the first end of the connecting rod is rotatably connected with the first plate, and the 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 which is rotatably connected between two back support rods of the back frame, the first push rod is connected with two first push arms, and the free ends of the two first push arms are connected with first push wheels; a first electric push rod is arranged between the first push rod and a third connecting rod at the first ends of the two back supporting rods, the first end of the first electric push rod is hinged to the third connecting rod, the second end of the electric push rod is hinged to the first push rod, and the first electric push rod is used for driving the first push rod to rotate, so that a first push wheel on a 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 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; and a second electric push rod is arranged between the second push rod and the second connecting rods at the second ends of the two leg supporting rods, the first end of the second electric push rod is hinged to the second connecting rods, the second end of the electric push rod is hinged to the second push rod, and the second electric push rod is used for driving the second push rod to rotate, so that the 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 electric bed adopts the foldable electric bed frame in the technical scheme, firstly, when the electric bed frame is unfolded or retracted, the electric bed frame is simple and labor-saving to operate, and the volume of the electric bed frame is small after being folded, so that the packaging cost is saved; moreover, 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 detached and placed in a packing box, so that the packing volume is reduced, and the packing cost is saved.
Drawings
Fig. 1 is a schematic structural view of a foldable electric bed frame in a retracted state.
Fig. 2 is a structural schematic diagram of the foldable electric bed frame of the invention when unfolded.
Fig. 3 is another angle structure diagram of the foldable electric bed frame of the invention when unfolded.
Fig. 4 is a structural schematic diagram of the foldable electric bed frame in an unfolded state.
Fig. 5 is a partial structural schematic view of a back support rod of a foldable electric bed frame.
Fig. 6 is a back structure view of an electric bed according to the present invention.
As shown in the figure:
1. back frame, 100, accommodation space, 101, back bracing piece, 102, the spout, 103, the pulley, 104, the third connecting rod, 105, the fourth connecting rod, 106, the accommodation step, 107, the first spacing arch, 108, the first spacing portion, 109, the second spacing arch, 110, the second spacing portion, 2, the leg frame, 200, the leg bracing piece, 201, the first connecting rod, 202, the second connecting rod, 203, the gyro wheel, 3, the connecting rod, 4, the back bed board subassembly, 400, the first plate, 401, the second plate, 402, the third plate, 5, the leg bed board subassembly, 500, the fourth plate, 501, the fifth plate, 6, soft connecting piece, 7, first electric putter, 700, the first putter, 701, the first pushing arm, 702, the first pushing wheel, 8, the second electric putter, 800, the second putter, 801, the second pushing arm, 802, the second pushing wheel.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1 to 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, first ends of the two back support rods 101 are 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 end face of the second end 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 end face of the second end of the back support rod 101; the two back support rods 101, the third connecting rod 104 and the fourth connecting rod 105 enclose the back frame 1 formed in a rectangular shape; 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 support rods 200 which are arranged in parallel, the bottoms of the first ends of the two leg support rods 200 are connected with a first connecting rod 201, the second ends of the two leg support rods 200 are connected with a second connecting rod 202, and the leg frame 2 is formed by enclosing the two leg support rods 200, the first connecting rod 201 and the second connecting rod 202 into a rectangle; the leg frame 2 is a clearance fit in the receiving space 100 of the back frame 1 and the leg frame 2 is movable relative to the back frame 1 to bring the leg frame 2 in a deployed state, in which the leg frame 2 slides outwardly out of the receiving space 100, or in a retracted state, in which the leg frame 2 retracts inwardly into the receiving space 100.
The foldable electric bed frame also 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 ends of the leg frame 2, and the second ends of the two connecting rods 3 are respectively connected with pulleys 103 in the 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, the second end of the leg frame 2 lands on the ground, the leg frame 2 is driven outwards by force to slide, 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 released, the first end of the leg frame 2 rotates downwards under the action of gravity, the connecting rods 3 are in a horizontal state, the connecting rods 3 rotate clockwise by 180 degrees, and the leg frame 2 is in an unfolded state; when the leg frame 2 retracts, the first end of the leg frame 2 is lifted upwards again, the first end of the leg frame 2 drives the two connecting rods 3 to rotate by a certain angle theta along the counterclockwise direction, wherein the angle theta is larger than 90 degrees and smaller than 180 degrees, at the moment, the second end of the leg frame 2 lands on the ground, the leg frame 2 is driven to slide inwards with force, the leg frame 2 retracts into the accommodating space 100, when the leg frame 2 retracts 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 180 degrees along the counterclockwise direction, 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 sliding slot 102 of the back support rod 101 through the two connecting rods 3, and only the second end of the leg frame 2 lands when the leg frame 2 slides relative to the back frame 1 for unfolding or retracting, so that the friction force for moving the leg frame 2 is small, and the unfolding or retracting of the leg frame 2 is labor-saving; in addition, the arrangement of the two connecting rods 3 at the first end of the leg frame 2 can limit the height of the first end of the leg frame 2 when the first end of the leg frame 2 is lifted upwards, so that the lifting operation of a user is facilitated, and the arrangement of the two connecting rods 3 can ensure that the connection between the leg frame 2 and the back frame 1 is more stable and firmer. Furthermore, the leg frame 2 is located 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 an embodiment of the present invention; a roller 203 is connected to the second end of the leg frame 2, and when the leg frame 2 is extended or retracted and the first end of the leg frame 2 is lifted up, the roller 203 is grounded. In this embodiment, two rollers 203 are provided, and are connected to the second connecting rod 202 of the leg frame 2. When the leg frame 2 is unfolded or retracted to slide, the rollers 203 at the second end of the leg frame 2 are arranged to further reduce the friction force between the second end of the leg frame 2 and the ground or the bed frame, so that the leg frame 2 can slide more easily and smoothly, and the folding or unfolding operation of the leg frame 2 can be easily completed for the elderly or the women with low strength.
Referring again to fig. 4 and 5, as an embodiment of the present invention; a first limiting bulge 107 protruding into the sliding groove 102 is arranged in the sliding groove 102 of the back support 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 bulge 107 and the first end face of the sliding groove 102; a second limiting bulge 109 protruding into the sliding groove 102 is arranged in the sliding groove 102 and close to the second end of the sliding groove 102, and a second limiting part 110 for accommodating the pulley 103 is formed between the second limiting bulge 109 and the end face of the second end of the sliding groove 102; when the leg frame 2 is in the extended state, the pulley 103 is located in the first position-limiting portion 108, and when the leg frame 2 is in the retracted state, the pulley 103 is located in the second position-limiting portion 110. 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 an unfolding state or a retracting state, and prevent the leg frame 2 from moving accidentally by force, so that the electric bed frame has good structural stability. When the sliding groove 102 is formed in the back support rod 101, the first limiting protrusion 107 and the second limiting protrusion 109 are integrally formed with the sliding groove 102, 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 the present embodiment, both ends of the second connecting rod 202 extend outward beyond the outer side wall of the leg support rod 200 and form an abutting portion, which abuts against the second end surface of the back support rod 101 when the leg frame 2 is in the retracted state. This avoids excessive force damaging the pulley 103 when the leg frame 2 is retracted. Moreover, when the leg frame 2 is in the retracted state, the second connecting rod 202 is received on the receiving step 106 and the tops of the two leg support rods 200 are flush with the top of the back support rod 101, so that the structure of the electric bed frame is more compact and the volume is smaller when the electric bed frame is in the retracted or folded state.
Referring to fig. 4 again, in the present embodiment, when the leg frame 2 is in the unfolded state, the first connecting rods 201 at the first ends of the two leg supporting rods 200 are located outside the fourth connecting rods 105 at the second ends of the two back supporting rods 101, and one side of the first connecting rods 201 close to the back frame 1 is abutted against one side of the fourth connecting rods 105 away from the back frame 1. With the arrangement, when the leg frame 2 is in the unfolding 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 towards the back frame 1 due to accidental force exertion, 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 includes a foldable electric bed frame and a bed board assembly connected to the frame according to any one of the embodiments, where the bed board assembly includes a back bed board assembly 4 connected to the back frame 1 and a leg bed board assembly 5 connected to the leg frame 2, the back frame 1 is connected to a first driving device for driving the back bed board assembly 4 to rotate, and the leg frame 2 is connected to a second driving device for driving the leg bed board assembly 5 to rotate. Specifically, in this electric bed embodiment, the back bed board assembly 4 includes a first board 400, a second board 401 and a third board 402 that are sequentially distributed along the length direction of the back frame 1, and the first board 400 and the second board 401 and the third board 402 are connected by a soft connecting member 6, so as to enable rotation between adjacent boards; 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 the first plate 400 and the second plate 401 can also rotate relatively. The soft connecting piece 6 of this embodiment can adopt the hinge, and the hinge can be plastics, can be metallic, can be the rubber pad below the metal hinge when adopting the metal hinge, in order to prevent the noise.
In this embodiment, the first driving device comprises 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 with first push wheels 702; a first electric push rod 7 is arranged between the first push rod 700 and the third connecting rods 104 at the first ends of the two back supporting rods 101, the first end of the first electric push rod 7 is hinged to the third connecting rods 104, the second end of the electric push rod is hinged to the first push rod 700, and the first electric push rod 7 is used for driving the first push rod 700 to rotate, so that the first push wheel 702 on the first push 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 which is rotatably connected between the two leg support rods 200 of the leg frame 2, the second push rod 800 is connected with two second push arms 801, and the free ends of the two second push arms 801 are connected with second push wheels 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 electric bed adopts the foldable electric bed frame in the technical scheme, firstly, when the electric bed frame is unfolded or retracted, the electric bed frame is simple and labor-saving to operate, and the volume of the electric bed frame is small after being folded, so that the packaging cost is saved; moreover, 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 disassembled and then placed in a packing box, so that the packing volume is reduced, and the packing cost is saved.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A foldable electric bed frame is 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 in clearance fit in the accommodating space and can move relative to the back frame so as to enable the leg frame to be in a spreading state or a retracting state, wherein in the spreading state, the leg frame slides outwards out of the accommodating space, and in the retracting state, the leg frame retracts inwards into the accommodating 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 rotatably connected with the first end of the leg frame, and the second ends of the two connecting rods are respectively connected with the pulleys in the sliding grooves of the two back supporting rods;
when the leg frame is unfolded, the first end of the leg frame is lifted upwards, the second end of the leg frame is grounded, and the leg frame is driven outwards to slide out of the accommodating space, so that the leg frame is in an unfolded state; when the leg frame retracts, the first end of the leg frame is lifted upwards again and the second end of the leg frame is grounded, and the leg frame is driven inwards to retract into the accommodating space, so that the leg frame is in a retracted state.
2. Foldable electric bed frame, according to claim 1, characterized in that: the second end of the leg frame is connected with a roller which can be grounded when the leg frame is unfolded or retracted and the first end of the leg frame is lifted upwards.
3. Foldable electric bed frame, according to claim 1, characterized in that: a first limiting bulge protruding inwards the sliding groove is arranged in the sliding groove and close to the first end of the sliding groove, and a first limiting part for accommodating the pulley is formed between the first limiting bulge and the first end face of the sliding groove; a second limiting bulge protruding inwards the sliding groove is arranged in the sliding groove and close to the second end of the sliding groove, and a second limiting part for accommodating the pulley is formed between the second limiting bulge and the end face of the second end of the sliding groove; when the leg frame is in the unfolding state, the pulley is positioned in the first limiting part, and when the leg frame is in the retracting state, the pulley is positioned in the second limiting part.
4. Foldable electric bed frame, according to claim 2, characterized in that: 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 supporting rods are connected with a first connecting rod, the second ends of the two leg supporting rods are connected with a second connecting rod, and the rollers are connected to the second connecting rod; the both ends of second connecting rod all outwards stretch out the lateral wall of shank bracing piece and form and support the portion of leaning on, when shank frame is in the retraction state, the portion of leaning on support the second end terminal surface of portion and back bracing piece and support.
5. Foldable electric bed frame according to claim 4, characterized in that: the first ends of the two back supporting rods are connected with a third connecting rod, the bottoms of the second ends of the two back supporting 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 supporting rod along the length direction of the back supporting rod and enables a containing step for containing the second connecting rod to be formed between the top of the fourth connecting rod and the second end face of the back supporting rod, and when the leg frame is in a retraction state, the second connecting rod is contained on the containing step and the tops of the two leg supporting rods are flush with the top of the back supporting rod.
6. Foldable electric bed frame, according to claim 5, characterized in that: when the leg frame is in the unfolding state, the first connecting rods at the first ends of the two leg supporting rods are positioned outside the fourth connecting rods at the second ends of the two back supporting rods, and one side of the first connecting rods, which is close to the back frame, is abutted against one side of the fourth connecting rods, which is far away from the back frame.
7. An electric bed, characterized in that: the foldable electric bed frame comprises a foldable electric bed frame as claimed in any one of claims 1 to 6 and a bed board assembly connected to the frame, wherein the bed board assembly comprises a back bed board assembly connected to the back frame and a leg bed board assembly connected to the 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 according to claim 7, wherein: the back bed board assembly comprises a first board, a second board and a third board which are sequentially distributed along the length direction of the back frame, and the first board and the second board and the third board are connected through soft connecting pieces so that adjacent boards can rotate; the leg bed board assembly comprises a fourth board and a fifth board which are sequentially distributed along the length direction of the leg frame, and the fourth board and the fifth board are connected through a soft connecting piece; two sides of the back frame are respectively provided with a connecting rod, the first end of the connecting rod is rotatably connected with the first plate, and the 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 according to claim 8, wherein: the first driving device comprises a first push rod which is 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; a first electric push rod is arranged between the first push rod and a third connecting rod at the first ends of the two back supporting rods, the first end of the first electric push rod is hinged to the third connecting rod, the second end of the electric push rod is hinged to the first push rod, and the first electric push rod is used for driving the first push rod to rotate, so that a first push wheel on a first push arm pushes the first plate and the second plate to rotate relative to the third plate.
10. The electric bed according to claim 9, wherein: the second driving device comprises a second push rod which is rotatably connected between the 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; and a second electric push rod is arranged between the second push rod and the second connecting rods at the second ends of the two leg supporting rods, the first end of the second electric push rod is hinged to the second connecting rods, the second end of the electric push rod is hinged to the second push rod, and the second electric push rod is used for driving the second push rod to rotate, so that the 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 CN114903310B (en) | 2023-12-01 |
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| Publication number | Publication date |
|---|---|
| CN114903310B (en) | 2023-12-01 |
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