WO2021012334A1 - 一种电动床床体 - Google Patents

一种电动床床体 Download PDF

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Publication number
WO2021012334A1
WO2021012334A1 PCT/CN2019/101262 CN2019101262W WO2021012334A1 WO 2021012334 A1 WO2021012334 A1 WO 2021012334A1 CN 2019101262 W CN2019101262 W CN 2019101262W WO 2021012334 A1 WO2021012334 A1 WO 2021012334A1
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WO
WIPO (PCT)
Prior art keywords
bed
frame
bed body
fixed
leg
Prior art date
Application number
PCT/CN2019/101262
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English (en)
French (fr)
Inventor
车召勇
邰一凡
Original Assignee
锐迈机械科技（吴江）有限公司
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Publication of WO2021012334A1 publication Critical patent/WO2021012334A1/zh

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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
    • 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
    • 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
    • A47C19/022—Head or foot boards
    • 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
    • A47C19/024—Legs
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
    • A47C23/061—Slat structures

Definitions

  • the invention belongs to the technical field of smart homes, and specifically relates to an electric bed body structure.
  • the present invention proposes an electric bed body.
  • an electric bed body including a fixed bed frame, a movable bed frame movable relative to the fixed bed frame, and a driving mechanism for driving the movable bed frame to move
  • the movable bed frame is provided with The space frame for the drive mechanism to be embedded, the horizontal pipe and several vertical pipes arranged on the upper and lower sides of the horizontal pipe. All vertical pipes located on the upper side of the horizontal pipe are connected end-to-end to form an A-side vertical pipe chain. All the vertical pipes on the other side of the pipe are rotated end to end to form a B-side vertical pipe chain as a whole.
  • One end of the A-side vertical pipe chain and one end of the B-side vertical pipe chain are both connected to the horizontal pipe, and the A-side vertical pipe
  • the other end of the chain and the other end of the B-side vertical pipe chain are respectively driven by the driving mechanism to drive the corresponding vertical pipes to distribute force so that the electric bed body changes between the lying state and the raised state; in the electric bed body
  • the driving mechanism is embedded in the space frame, the setting positions of all vertical pipes and the output shafts of the driving mechanism are on the vertical central axis of the fixed bed frame, and the lower surface of the driving mechanism is away from
  • the ground height shall not be lower than the height of the bottom surface of the electric bed.
  • the movable bed frame includes a head bed, a fixed bed, and a leg bed that are sequentially connected
  • the driving mechanism includes a first drive mechanism for driving the head bed and a leg bed.
  • the second driving mechanism; the fixed bed body is fixed on a fixed bed frame, and the head bed body and the leg bed body can move relative to the fixed bed body.
  • the head bed body includes a head bed frame movable relative to the fixed bed frame, a head bed body standpipe and a first driving mechanism are arranged in the area framed by the head bed frame
  • An embedded space frame A one end of the head bed vertical pipe is fixedly connected with the space frame A, and the other end is rotatably connected with the fixed A vertical pipe; the space frame A is fixedly connected with a connection joint A, and the first driving mechanism
  • the thrust can be applied to the space frame A by connecting with the connection joint A.
  • the first driving mechanism drives the space frame A, and the space frame A drives the head bed body Standpipe, the force transmission of the head bed vertical pipe and the fixed A vertical pipe make the head bed rise up around the joint of the head bed vertical pipe and the fixed A vertical pipe;
  • the leg bed includes a leg bed frame that can move relative to a fixed bed frame, a leg bed standpipe and a space for the second drive mechanism to be embedded in the area framed by the leg bed frame Frame B, the space frame B is fixed with a connecting joint B and a connecting joint C, the connecting joint B is rotatably connected with the second driving mechanism, and the connecting joint C is rotatably connected with one end of the leg bed vertical pipe.
  • the other end of the leg bed vertical pipe is rotatably connected with the fixed B vertical pipe; when the electric bed bed changes to the raised state of the legs as required, the space frame B is pushed up by the second driving mechanism to drive the legs Lift up one end of the bed vertical pipe;
  • the fixed bed body includes a horizontal tube and a fixed A vertical tube and a fixed B vertical tube respectively arranged on both sides of the horizontal tube.
  • One end of the fixed A vertical tube is rotatably connected with the other end of the head bed vertical tube, and the other end Fixedly connected to the horizontal tube, one end of the fixed B vertical tube is rotatably connected to the other end of the leg bed vertical tube, and the other end is fixedly connected to the horizontal tube, and the horizontal tube is horizontally fixed on the fixed bed frame;
  • the head bed body standpipe and the fixed A standpipe form an A side standpipe chain
  • the leg bed body standpipe and the fixed B standpipe form a B side standpipe chain
  • the head bed body standpipe, the leg bed body standpipe, the fixed A standpipe, the fixed B standpipe, the output shaft of the first drive mechanism, and the second drive mechanism The output shafts are all on the vertical central axis of the fixed bed frame, and the first driving mechanism and the second driving mechanism are both embedded in the corresponding space frame.
  • it also includes a bed board, on which glass fiber row frames are distributed.
  • the glass fiber row frame is a composite structure, including a row frame body and a row frame seat for fixing the row frame body on the movable bed, the row frame seat is arranged at both ends of the row frame body, It includes a first connecting portion connected with the end of the row frame body and a second connecting portion connected with the movable bed body.
  • the first connecting portion includes a cavity for placing the end of the row frame body, and the cavity has a guarantee When the main body of the row skeleton reaches the maximum amount of deformation and the end of the main body of the row skeleton moves the maximum distance outside the chamber, the end of the main body of the row skeleton does not fall off from the cavity.
  • the safe space can satisfy the deformation of the main body of the row skeleton at the end. Time required.
  • the cavity includes an upper surface and a lower surface
  • the lower surface is an inclined surface with the same structure as the lower surface of the platoon skeleton body, and the distance between the inclined surface and the upper surface increases from the inside of the cavity to the outside.
  • the main body of the row frame includes a hollow glass fiber tube with filler inside and a pp material layer covering the outer surface of the glass fiber tube and extending to both sides to form wings.
  • the filler includes PVC foam material.
  • anti-slip mechanisms are provided on the upper surface, and the anti-slip mechanisms are of a conical structure, and the conical tip faces the chamber.
  • the two sides of the tail of the leg bed frame are respectively connected to the fixed bed frame through the leg connecting pieces.
  • the leg connecting pieces When the electric bed body is in a flat state, the leg connecting pieces are stowed and stored in the leg bed frame and the fixed bed. Between the frames, when the electric bed body is changed to the raised state of the legs as required, the leg connecting pieces are expanded to complete the support for the tail of the leg bed frame.
  • the first driving mechanism includes a head push rod as an output shaft and a first driver that provides power to the head push rod, one end of the head push rod is connected to the first driver, and the other One end is rotatably connected with the connecting joint A; one end of the first driver is connected with the fixed bed frame, and the other end is connected with the head push rod;
  • the second driving mechanism includes a leg push rod as an output shaft and a second driver that provides power to the leg push rod.
  • One end of the leg push rod is connected to the second driver, and the other end is connected to
  • the joint B is connected in rotation, one end of the second driver is connected with the fixed bed frame, and the other end is connected with the leg push rod;
  • the first driver/second controller controls the expansion and contraction of the head push rod/leg push rod to realize the lifting of the electric bed body.
  • the drive mechanism is connected to the electric bed body through a detachable mechanism, and the detachable mechanism includes a shaft pin with a hole in the tail and an R-shaped pin that is matched and fixed with the shaft pin; when the drive mechanism is assembled, the One end of the driving mechanism is connected to the fixed bed frame through the base, the shaft pin passes through the base and one end of the driving mechanism in turn, and an R-shaped pin is inserted at the end of the shaft pin to complete the connection; the other end is connected to the space frame, The shaft pin passes through the space frame and the other end of the drive mechanism in sequence, and an R-shaped pin is inserted at the tail of the shaft pin to complete the connection.
  • the bed body can be folded by adopting a plurality of hinges at the bed body joints, and the bed body joints are the joints between the horizontal tube and the fixed bed frame.
  • the hinge includes fixing pieces respectively fixed at the joints of the bed body, connecting pieces and bolts for connecting the corresponding fixing pieces in pairs, and the top of the fixing piece extends outward to form a connection for inserting the bolts Hole one, the two sides of the connecting piece extend downward to form a connecting hole two for inserting a plug pin, and the plug pin passes through the connecting hole one and the connecting hole two in turn, so that the fixing piece can move relative to the connecting piece.
  • the connecting piece has an I-shaped structure, and its four ends all extend downward to form a second connecting hole for inserting a pin. A distance is maintained between the two connecting holes on the same side, and the distance can be placed and connected. Kong Yi.
  • the fixing member includes a fixing wall and a connecting part arranged on the top of the fixing wall, the fixing wall and the connecting part are perpendicular to each other, and the fixing wall is fixed to the side wall at the joint of the bed. Consists of a connecting hole.
  • a movable mattress stop bar is provided at one end of the movable bed frame, the mattress stop bar includes a stop part and a curved connection part connected in sequence, and one end of the curved connection part is connected to the stop part.
  • the lower end is connected, and the other end is rotatably connected with the movable bed frame; when the mattress stopper is in use, the stopper is opened so that it is at an angle that can limit the mattress with the movable bed frame, and the mattress stopper is stored
  • the stop part is stowed, the height of the stop part after being stowed is not higher than the bed surface of the fixed bed frame.
  • the curved connecting portion includes a structure that can rely on the movable bed frame to limit the stop portion when the mattress stopper is in use.
  • shock-absorbing blocks are provided on the lower surface of the fixed bed frame.
  • a foot that can be adjusted in two-way height and is arranged on the lower surface of the fixed bed body.
  • the foot of the bed includes an upper foot, a middle adjusting part, and a bottom foot.
  • An upper shaft is provided in the upper foot, and a positive and negative tooth adjusting shaft is provided in the adjusting middle.
  • the bottom leg is provided with a shaft sleeve, the positive and negative thread adjustment shaft includes a normal thread end and a reverse thread end, the thread direction of the normal thread end surface is opposite to the thread direction of the reverse thread end surface, and the upper shaft rod
  • the inner thread is threadedly connected with the positive thread end of the positive and negative tooth adjustment shaft, and the sleeve is threadedly connected with the negative thread end of the positive and negative tooth adjustment shaft through the internal thread.
  • the positive and negative tooth adjustment shaft rods respectively drive the upper shaft rod and the shaft sleeve, so that the upper shaft rod drives the upper bed foot to adjust the height upward, and the shaft sleeve drives the lower bed foot to adjust the height downward.
  • top of the upper shaft rod extends upward to form a connecting portion that can be detachably connected with the fixed bed body, and the surface of the connecting portion is provided with threads.
  • a limit end is respectively provided on both sides of the thread change on the surface of the positive and negative tooth adjustment shaft, and an inner lining part is also arranged in the adjustment middle part, and the longitudinal section of the inner lining part has an H-shaped structure, It includes a hollow cylindrical piece and a disc piece arranged in the middle of the hollow cylindrical piece, and the positive and negative tooth adjusting shafts are fixedly connected with the disc piece through the limit ends on both sides.
  • the upper foot of the bed includes an upper shell for externally supporting and protecting the upper shaft
  • the adjusting middle part includes a middle shell for externally supporting and protecting the positive and negative teeth adjusting shaft and the inner lining.
  • the foot of the bed includes a bottom shell for external support and protection of the shaft sleeve.
  • the middle shell includes shell one corresponding to the upper end of the lining part, shell two corresponding to the disc member, and the lower end of the lining part from top to bottom.
  • non-slip patterns are provided on the three outer surfaces of the shell.
  • the present invention has the following advantages:
  • the total height of the electric bed body of the present invention can be less than 9 cm, and the motor can be completely placed in the bed body of 9 cm height; because the motor can be completely placed in the bed body, the bottom surface of the bed body is flat.
  • the invented electric bed can be used directly on a flat surface without using bed legs or used on an existing bed frame;
  • the electric bed of the present invention uses a combination of an iron frame and a glass fiber row frame.
  • the structural parts with greater force use metal parts, and the bed board with low force and high comfort requirements uses glass fiber row frames.
  • the fiber row skeleton has the advantages of low density, light weight, environmental protection, toughness, and high comfort;
  • the electric bed of the present invention is a foldable structure, because the bed body of the present invention has a small volume, and the packaging size after folding is also small, which not only reduces transportation costs, but also facilitates customer transportation and handling;
  • the electric bed of the present invention adopts a concealed mattress shift lever, and the mattress shift lever is designed to be foldable and hidden. Customers can adjust according to their own needs. The height of the shift lever will not be higher than the bed surface after being folded. Use the mattress normally;
  • the foot of the bed of the present invention can be adjusted up and down, and the height adjustment does not affect the support strength of the foot;
  • the driving mechanism of the present invention and the bed body are detachably connected, which provides convenience for both production and after-sales maintenance;
  • the joint joint of the present invention can realize rapid installation, improve production efficiency, and reduce production difficulty.
  • Figure 1 is a schematic diagram of the structure of an existing electric bed
  • Figure 2 is an exploded view of the electric bed body of the present invention
  • Figure 3 is a top view of the electric bed body in a lying state
  • Figure 4 is a schematic diagram of the structure of the fixed bed frame and the movable bed frame in a lying state
  • Figure 5 is a schematic diagram of the posture of the electric bed body in the raised state
  • Figure 6 is a front view of the electric bed body under normal conditions of the present invention.
  • Figure 7 is a side view of the electric bed body of the present invention under normal conditions
  • Figure 8 is a partial schematic diagram of the leg bed in a raised state
  • Figure 9 is a schematic diagram of the structure of the connection joint A
  • Figure 10 is a schematic diagram of the structure of the connection joint B and the connection joint C;
  • Figure 11 is a schematic diagram of a single-row skeleton structure
  • Figure 12 is a cross-sectional view of the main body of the platoon skeleton
  • Figure 13 is a schematic diagram of the connection between the platoon frame main body and the platoon frame seat
  • Figure 14 is a schematic diagram of the structure of the row frame seat
  • Figure 15 is a cross-sectional view of the row frame seat
  • Figure 16 is a schematic diagram of the installation of the drive mechanism
  • Figure 17 is a schematic diagram of the drive mechanism in a raised state
  • Figure 18 is an exploded view of the connection between the driving mechanism and the electric bed body
  • Figure 19 shows the structure of the electric bed after folding
  • Figure 20 is a schematic structural diagram of the joint joint of the electric bed body
  • Figure 21 is an exploded view of Figure 20;
  • Figure 22 is a schematic diagram of the structure of the mattress stopper
  • Figure 23 is a schematic diagram of the connection between the mattress stop bar and the bed body
  • Figure 24 is a schematic diagram of the use of the mattress stopper
  • Figure 25 is a schematic diagram of the storage of the mattress stopper
  • Figure 26 is a schematic diagram of a bed without height adjustment
  • Figure 27 is a schematic diagram of the height adjustment bed foot
  • Figure 28 is a schematic diagram of the explosion of the foot of the bed
  • Figure 29 is a sectional view of the internal structure of the foot of the bed.
  • Figure 30 is a front view of a bed body of an electric bed under normal conditions with bed feet;
  • Figure 31 is a schematic diagram of the structure of the inner lining.
  • FIG. 1 is a schematic diagram of a typical electric bed with a motor-driven horizontal tube on the market to adjust the attitude of the electric bed, but this type of electric bed does not have a reasonable design of motor thrust distribution, resulting in the need to take up a lot of space to adjust the motor angle to prevent motor thrust
  • the uneven distribution causes the deformation of the structure of the electric bed body; in order to solve the above-mentioned defects, the head motor and the leg motor of the electric bed body of this embodiment are both on the vertical central axis of the whole bed, and A number of metal parts that can directly bear the thrust of the motor are installed on the vertical central axis, which can directly transmit the thrust of the motor to the bed frame.
  • the bed structure of this embodiment even if the angle of the motor is small, will not be excessive due to the horizontal thrust of the motor. Large and destroy the bed structure.
  • the electric bed body of this embodiment is now described in detail with reference to the accompanying drawings:
  • the electric bed body of this embodiment includes a fixed bed frame 1, a movable bed frame 2 that can move relative to the fixed bed frame 1, and a driving mechanism 3 that drives the movable bed frame 2 to move.
  • the movable bed frame 2 of the example is further subdivided into a head bed body 21, a fixed bed body 22 and a leg bed body 23 which are connected in sequence.
  • the fixed bed body 22 is fixed on the fixed bed frame 1, and the driving mechanism is further subdivided into a driving head
  • the first driving mechanism 31 of this embodiment includes a head push rod 311 as an output shaft and One end of the first driver 312 is connected to the fixed bed frame 1 and the other end is connected to the head push rod 311; for the same reason, the second driving mechanism 32 includes the output shaft The leg push rod 321 and the second driver 322 that provides power to the leg push rod 321.
  • One end of the second driver 322 is connected to the fixed bed frame 1, and the other end is connected to the leg push rod 321; the head push rod of this embodiment
  • the rod 311 and the leg push rod 321 can be aluminum tubes, the first driver 312 and the second controller 322 can be motors, and the head push rod 311/leg push rod 321 can be controlled by the first driver 312/second controller 322
  • the expansion and contraction of the head bed body 21 and the leg bed body 23 move relative to the fixed bed body 22, so that the electric bed body changes between the lying state and the raised state.
  • the raised state mentioned in this embodiment Including head lift and leg lift.
  • the head bed body 21 of this embodiment includes a head bed frame 211 that can move relative to the fixed bed frame 1, and a head bed frame 211 is arranged in the area framed by the head bed frame 211 including The head bed vertical pipe 212 and the space frame A 213 in which the first driving mechanism 31 is embedded.
  • the space frame A 213 is a rounded rectangular frame composed of metal square pipes and the space frame A 213 is set on the head bed frame 211 Specifically, the upper end of the space frame A 213 is fixed to the upper end of the head bed frame 211, and a connecting joint A 21a is welded to the lower end of the space frame A 213, and the head push rod 311 and the connecting joint A 21a is connected in rotation, and the connection joint A 21a is equivalent to the thrust point of the first driver 312 on the head bed 21, and the thrust is distributed to the head bed vertical pipe 212 and the fixed A vertical pipe 222 through this thrust point.
  • connection point with the space frame A 213 corresponds to the setting of the connection joint A 21a on the space frame A 213, and they are both on the vertical central axis of the fixed bed frame 1.
  • the first drive mechanism 31 drives the space frame A 213, and the space frame A 213 drives the head bed vertical pipe 212 so that the head bed 21 wraps around the connection between the head bed vertical pipe 212 and the fixed pipe A 222
  • the head bed body 21 is driven by the first driving mechanism 31 through the force transmission cooperation of the head bed body vertical pipe 212 and the fixed A vertical pipe 222 to realize the head bed body 21 to rotate relative to the fixed bed body 22.
  • the structure of the leg bed body 23 of this embodiment is similar to the structure of the head bed body 21, which specifically includes a leg bed frame 231 that can move relative to the fixed bed frame 1.
  • the area framed by 231 is provided with a leg bed vertical pipe 232 and a space frame B 233 for the second driving mechanism 32 to be embedded.
  • the space frame B 233 is a rounded rectangular frame formed by a metal square tube and is set on the tail bed.
  • the tail end of 23, specifically, the lower end of the space frame B 233 is fixed to the lower end of the tail bed body 23, and the upper end of the space frame B 233 is welded with a connection joint B 23a and a connection joint C 23b, see Figure 9 As shown in Fig.
  • the welding wire of the connecting joint B 23a is inside the upper end of the space frame B 233, and the structure of the connecting joint B 23a is the same as that of the connecting joint A 21a, both of which are composed of two triangles with holes arranged on the space frame at intervals
  • the connecting joint C 23b is made of a bench piece, and the stool surface is welded to the inner side of the upper end of the space frame B 233.
  • a connecting hole is provided on the foot of the stool for rotating and connecting the leg bed vertical pipe 232, and the connecting joint B 23a corresponds to the fixed position of the connecting joint C 23b on the upper edge of the space frame B 233, and is located on the vertical central axis of the fixed bed frame 1; the connecting joint B 23a and the leg push rod of the second driving mechanism 32 321 Rotational connection, connecting joint C 23b is rotatably connected with one end of the leg bed vertical pipe 232, and the other end of the leg bed vertical pipe 232 is rotatably connected with the fixed B vertical pipe 223; the structure principle is the same as that of the head bed 21 ,
  • the connection joint B 23a is used as the thrust point of the second driver 322 on the leg bed 23, and the thrust is reasonably distributed to the leg bed vertical pipe 232 and the fixed B tube 223 through this thrust point.
  • leg connecting pieces 234 may also be provided on the lower surfaces of the two ends of the tail of the leg bed frame 231. Specifically, one end of the leg connecting piece 234 is rotatably connected to the lower surface of either end of the left and right ends of the leg bed frame 231. Its other end is rotatably connected with the fixed bed frame 1. When the electric bed body is lying flat, the leg connecting piece 234 is retracted and stored between the leg bed frame 231 and the fixed bed frame 1.
  • leg bed frame 231, the leg connecting piece 234, and the fixed bed frame 1 are stacked in sequence and parallel to the ground from upper and lower; when the electric bed body is changed to the raised state of the legs as required, the leg connecting piece 234 is unfolded
  • the support for the tail of the leg bed frame 231 is completed.
  • the expansion of the leg connecting piece 234 here refers to the angle between the leg connecting piece 234 and the fixed bed frame 1, and the leg connecting piece 234 and the leg bed frame 231 There is a certain angle between them, and the angle changes according to the raised state of the leg bed frame 231.
  • the fixed bed body 22 of this embodiment includes a horizontal tube 221 and a fixed A vertical tube 222 and a fixed B vertical tube 223 respectively arranged on both sides of the horizontal tube.
  • the horizontal tube 221 is fixed in a horizontal shape.
  • the fixed A pipe 222 is vertically arranged on the upper side of the horizontal pipe 221
  • the fixed B vertical pipe 223 is vertically arranged on the lower side of the horizontal pipe 221.
  • One end of the fixed A vertical pipe 222 is connected to the head bed vertical pipe
  • the other end of 212 is rotatably connected, and the other end is fixedly connected to the horizontal pipe 221
  • one end of the fixed B vertical pipe 223 is rotatably connected to the other end of the leg bed vertical pipe 232, and the other end is fixedly connected to the horizontal pipe 221.
  • the head bed vertical pipe 212 and the fixed A vertical pipe 222 constitute the A side vertical pipe chain
  • the leg bed vertical pipe 232 and the fixed B vertical pipe 223 constitute the B side vertical pipe chain.
  • the A side vertical pipe chain and The B-side vertical tube chain completes the reasonable distribution of the thrust of the driving mechanism; when the electric bed body is lying flat, the position of the A-side vertical tube chain, the position of the B-side vertical tube chain, the position of the head push rod and the legs
  • the positions of the push rods are all on the vertical central axis of the fixed bed frame 1.
  • This structural design can directly transmit the thrust of the driver to the bed frame, even if the motor angle is small, it will not be damaged due to excessive horizontal thrust Bed body structure.
  • the electric bed body of this embodiment When the electric bed body of this embodiment is lying flat, the first driving mechanism 31 and the second driving mechanism 32 are both embedded in the corresponding space frame, and the height of the lower surface of the driving mechanism from the ground at this time is not lower than the electric bed body
  • the height of the bottom surface from the ground; therefore, the electric bed body of this embodiment has ultra-thin characteristics, the total height of the bed body is less than 9cm, the driver can be directly designed in the bed body 9cm high, in addition, this embodiment does not need to pass
  • the driver installation position is lowered to achieve the purpose of raising the bed board. Therefore, the lower surface of the bed body in this embodiment is a flat surface, which can be used without bed legs, and it can be directly placed on the ground or on the user's existing bed frame.
  • the row frame of the bed body is improved, specifically: the electric bed body of this embodiment adopts the method of combining metal parts and glass fiber row frame , To achieve the characteristics of light weight, low density, toughness and high comfort of the bed.
  • platoon frameworks 4 distributed at equal intervals.
  • the platoon frameworks 4 are arranged at different positions according to their own. The size is different, but the structure is the same. See Figures 11 to 15, including the row frame seat 42 and the row frame body 41.
  • the row frame body 41 is fixed on the movable bed frame through the row frame seat 42 and is set in the space frame A 213
  • the surrounding row frame one end of the row frame body is fixed to the head bed frame 211 through the row frame seat, and the other end is fixed to the left/right end edge of the space frame A 213 through the row frame seat, and is set on the head bed body
  • the row frame in this embodiment The main body is made of glass fiber, and the row frame body and the row frame seat are not completely fixed, ensuring that the row frame body has a certain deformation range without leaving the row frame seat.
  • the platoon frame main body 41 of this embodiment includes a glass fiber tube 411 filled with PVC foam and a pp material layer covering the outer surface of the glass fiber tube and extending to both sides to form wings 412;
  • the platoon frame seat 42 is an injection molded part It includes a base body 421, a connecting portion 422 connected to the platoon frame body 41, and a connecting portion 423 that is riveted and fixed to the movable bed body.
  • the upper surface of the base body 421 extends to one side to form a limiting plate.
  • the position plate and the side wall of the base body 421 constitute a second connecting portion 423 for fixing to the movable bed;
  • the first connecting portion 422 includes a cavity 4221 for placing the end of the row frame body and matching the deformation of the row frame body.
  • the chamber 4221 has a safe space to ensure that when the row frame body 41 reaches the maximum amount of deformation and the end of the row frame body 41 moves the maximum distance outside the chamber 4221, the end of the row frame body 41 does not fall off from the chamber.
  • the safe space can meet the space required when the row frame body is deformed at the end, the function of the chamber 4221 is that when the row frame body is deformed, the cavity 4221 can ensure that the end of the row frame body does not leave the base body 421
  • the bottom can change with the main body of the row of skeletons, so the structural shape of the chamber 4221 is consistent with that of the main body of the row of skeletons. That is to say, the chamber 4221 is hill-shaped with a circular arc in the middle. The two ends are horizontal.
  • this embodiment can be provided with a non-slip mechanism on the upper inner surface of the chamber 4221; the non-slip mechanism has a structure with a smaller width and thickness as it goes outward, and can be described as a conical structure; the lower surface of the chamber 4221 is The lower surface of the arbor main body has a slope 4222 with the same structural shape. The deeper the chamber, the shorter the distance from the upper surface of the chamber to the slope.
  • connection between the driving mechanism and the electric bed body is improved, specifically:
  • the driving mechanism 3 of this embodiment is connected to the electric bed body through a detachable mechanism.
  • the detachable mechanism includes a shaft pin 9 with a hole in the tail and an R-shaped pin 91 fixed in cooperation with the shaft pin 9; for driving
  • one end of the drive mechanism is connected to the fixed bed frame 1 through the base, and the shaft pin 9 passes through one end of the base, one end of the drive mechanism, the other end of the drive mechanism and the other end of the base in turn, insert R at the end of the shaft pin 9
  • the other end of the drive mechanism is connected with the space frame, the shaft pin 9 passes through the space frame and the other end of the drive mechanism in turn, and an R-shaped pin 91 is inserted at the tail of the shaft pin 9 to complete the connection.
  • This embodiment is based on the above embodiments, and realizes the foldability of the electric bed body and the quick installation of the joint joints of the electric bed body, etc., specifically:
  • the hinge of this embodiment is arranged on one side of the horizontal tube.
  • one of the hinges is set between the horizontal tube and the fixed A vertical tube, and the other two hinges are correspondingly set at both ends of the horizontal tube;
  • the bed body is called bed body one, and the bed body on the other side of the hinge is called bed body two.
  • the bed body mentioned here also includes a fixed bed frame, which means that the bed body one includes a half fixed bed frame.
  • the second middle also includes a half fixed bed frame.
  • the bed body corresponding to the horizontal tube and the fixed B vertical tube is bed body one, and the bed body corresponding to the fixed A vertical tube is bed body two; when folding at the maximum angle, The upper surface of the bed on one side of the hinge can be directly attached to the upper surface of the second bed on the other side of the hinge, see FIG. 19.
  • the hinge 5 of this embodiment includes a fixing piece 51, a connecting piece 52, and a pin 53.
  • fixing pieces 51 are respectively fixed.
  • the top part extends outward to form a connecting hole 511 for inserting the marble plug.
  • the connecting piece 52 is in an I-shaped structure, and its four ends extend downward to form a connecting hole 521 for inserting the marble plug.
  • There are two connecting pieces 52 The space 522 between the two connecting holes 521 is used to place the connecting hole one 511 of the fixing member 51.
  • the fixing member 51 includes a fixing wall and a connecting part arranged on the top of the fixing wall.
  • the fixing wall and the connecting part are perpendicular to each other.
  • the fixing wall is fixed to the opposite sides of the bed body one and the bed body two, and the connecting part is constituted by the connecting hole one.
  • one fixing piece of the hinge provided between the horizontal pipe and the fixed A vertical pipe is fixed on the side wall of the horizontal pipe, and the other fixing piece is fixed on the side wall of the fixing A vertical pipe.
  • the connecting piece 52 and the marble pin 53 are connected.
  • the other two hinges are connected in the same way.
  • One fixing piece of the hinges arranged at both ends of the horizontal tube is fixed on the side wall of the half fixed bed frame of the bed body 1, and the other fixing piece is fixed. On the side wall of the fixed bed frame of the second half of the bed body.
  • a movable mattress barrier 6 is added to the electric bed body.
  • the mattress barrier 6 can be folded and hidden when not in use, and customers can adjust it according to their needs.
  • the height of the mattress bar after folding is not higher than the bed surface, and the mattress can still be used normally, specifically:
  • a movable mattress stopper 6 is provided at one end of the movable bed frame.
  • the mattress stopper 6 is specifically set on the leg bed frame through the stopper base 63
  • the mattress stop bar 6 of this embodiment includes a stop 61 and a curved connecting portion 62 that are connected in sequence.
  • the stop 61 is surrounded by a metal tube to form a rounded rectangular structure with a lower opening.
  • the connecting portion 62 includes a structure that can lean against the movable bed frame to limit the stop portion when the mattress shift lever is in use.
  • the structure can be realized by a right angle formed by a metal round tube.
  • the curved connecting portion 62 passes through the shift lever base.
  • the seat 63 is connected to one end of the movable bed frame.
  • one end of the curved connecting portion 62 is connected to the lower end of the stop portion 61, and the other end is rotatably connected to the movable bed frame through a gear lever base 63, which is connected to the movable bed frame.
  • the movable bed frame is fixedly connected, and is movably connected with the curved connection part.
  • the gear lever base 63 of this embodiment is an irregular polygonal structure, and two sides are at right angles for fixing the movable bed frame. In this embodiment; when the mattress stopper is in use, the stopper 61 is opened so that it and the movable bed frame are at an angle that can limit the mattress. See Figure 24.
  • This embodiment is based on the above-mentioned embodiment.
  • a number of shock-absorbing blocks 7 are provided on the lower surface of the electric bed body to match the rubber shock-absorbing blocks when the electric bed body of the present invention is used without bed feet. It can cope with uneven ground or bed surface and has good shock absorption effect.
  • This embodiment is based on the above-mentioned embodiment, and designs a foot that can adjust the height in both directions up and down.
  • the foot of the bed in this embodiment is made of plastic, and the height can be adjusted. Up to 5cm, and by improving the internal structure of the leg, adjusting the height of the leg does not affect the strength of the leg, specifically:
  • the foot 8 of this embodiment includes an upper foot 81, an adjusting middle portion 82 and a bottom foot 83.
  • the upper foot 81 includes an upper housing 811, and an upper housing 811
  • the upper shaft 812, the adjusting middle part 82 includes a middle shell 821 and a lining part arranged in the middle shell 821, a positive and negative tooth adjusting shaft 824, and the bottom foot 83 includes a bottom shell 831 and a bottom shell
  • the shaft sleeve 832, the positive and negative thread adjustment shaft 824 includes a positive thread end and a reverse thread end. The thread direction of the normal thread end surface is opposite to the thread direction of the reverse thread end surface.
  • the upper shaft 812 communicates with the positive and negative teeth through the internal thread.
  • the positive threaded end of the adjustment shaft 824 is threadedly connected, and the sleeve 832 is threadedly connected to the reverse threaded end of the positive and negative thread adjustment shaft 824 through internally provided threads.
  • the top of the upper shaft 812 in this embodiment extends upward to form a
  • the fixed bed 1 is detachably connected to the connecting portion 812a.
  • limit ends 825 are provided on both sides of the changing position of the front and back teeth of the front and back teeth adjustment shaft 824.
  • the longitudinal section of the inner lining is an H-shaped structure, and includes a hollow cylindrical member 822 and a circle arranged in the middle of the hollow cylindrical member 822.
  • the disc 823, the positive and negative tooth adjustment shaft 824 is fixedly connected to the disc 823 through the limit ends 825 on both sides, and the normal thread end of the positive and negative tooth adjustment shaft passes through the upper cavity of the hollow cylindrical part 822 and the upper shaft
  • the rod is engaged, and the reverse threaded end passes through the lower cavity of the hollow cylindrical member 822 to engage with the shaft sleeve; for the convenience of explanation, the middle shell is now divided into shells corresponding to the upper end of the inner liner from top to bottom.
  • the positive and negative adjustment shafts are driven to rotate, and the upper shaft and the shaft sleeve are respectively driven, so that the upper shaft drives the upper foot to adjust the height, and the shaft sleeve drives the lower foot to adjust the height downward .

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Abstract

一种电动床床体，包括固定床架（1）、能相对于固定床架（1）活动的活动床架（2）和驱动活动床架（2）活动的驱动机构（3），活动床架（2）上设有可供驱动机构（3）嵌入的空间框（213、233）、横管（221）和设置在横管（221）上下两侧的若干竖管，各竖管进行力分配使电动床床体在平躺状态和抬起状态之间变化；在电动床床体处于平躺状态时，驱动机构（3）嵌入空间框（213、233）中，所有竖管的设置位置和驱动机构（3）的出力轴的位置均处于固定床架（1）的竖直中轴线上，该驱动机构（3）的下表面离地高度不低于电动床床体下表面离地高度。

Description

一种电动床床体 技术领域
本发明属于智能家居技术领域，具体涉及一种电动床床体结构。
背景技术
目前市面上的电动床具有以下缺陷：
1、因结构设计缺陷，市面上的电动床必须将电机安装位置下降才能达到抬升床板的目的；
2、绝大多数电动床均采用木板和铁架结合的方式，整体产品重量比较重；
3、市场上部分电动床仍旧是整床包装，不方便运输和收纳；
4、目前市场上大多电动床床体的床垫档杆为固定式，客户没有选择的权利且存在安全隐患。
发明内容
针对上述背景技术中存在的缺陷，本发明提出了一种电动床床体。
本发明所采用的技术方案是：一种电动床床体，包括固定床架、能相对于固定床架活动的活动床架和驱动活动床架活动的驱动机构，所述活动床架上设有可供驱动机构嵌入的空间框、横管和设置在所述横管上下两侧的若干竖管，位于横管上侧的所有竖管之间首尾转动连接整体构成A侧竖管链，位于横管另一侧的所有竖管之间首尾转动连接整体构成B侧竖管链，所述A侧竖管链的一端和B侧竖管链的一端均与横管连接，所述A侧竖管链的另一端和B侧竖管链的另一端分别受驱动机构驱动，带动相应的各竖管进行力分配使电动床床体在平躺状态和抬起状态之间变化；在电动床床体处于平躺状态时，所述驱动机构嵌入所述空间框中，所有竖管的设置位置和驱动机构的出力轴的位置均处于固定床架的竖直中轴线上，该驱动机构的下表面离地高度不低于电动床床体下表面离地高度。
进一步的，所述活动床架包括依次连接的头部床体、固定床体和腿部床体，所述驱动机构包括驱动头部床体运动的第一驱动机构和驱动腿部床体运动的第二驱动机构；所述固定床体固定在固定床架上，所述头部床体和所述腿部床体均能相对于所述固定床体活动。
进一步的，所述头部床体包括能够相对于固定床架活动的头部床架、在由所述头部床架框出的区域内设置有头部床体竖管和供第一驱动机构嵌入的空间框A，该头部床体竖管的一端与空间框A固定连接，另一端与固定A竖管转动连接；所述空间框A上固连有连接接头A，该第一驱动机构通过与连接接头A连接将其推力能作用于空间框A上，当电动床床体按需变化到头部抬起状态时，第一驱动机构驱动空间框A，空间框A带动头部床体竖管，头部床体竖管与固定A竖管力传递配合使头部床体绕头部床体竖管与固定A竖管的连接处仰起；
所述腿部床体包括能够相对于固定床架活动的腿部床架、在由所述腿部床架框出的区域内设置有腿部床体竖管和供第二驱动机构嵌入的空间框B，所述空间框B上固定有连接接头B和连接接头C，所述连接接头B与第二驱动机构转动连接，所述连接接头C与腿部床体竖管的一端转动连接，该腿部床体竖管的另一端与固定B竖管转动连接；当电动床床体按需变化到腿部抬起状态时，所述空间框B受第二驱动机构推动抬起，带动腿部床体竖管的一端抬起；
所述固定床体包括横管和分别设置在横管两侧的固定A竖管、固定B竖管，所述固定A竖管的一端与头部床体竖管的另一端转动连接，另一端与横管固连，所述固定B 竖管的一端与腿部床体竖管的另一端转动连接，另一端与横管固连，所述横管水平固定在固定床架上；
所述头部床体竖管和固定A竖管构成A侧竖管链，所述腿部床体竖管和固定B竖管构成B侧竖管链；
当电动床床体处于平躺状态时，所述头部床体竖管、腿部床体竖管、固定A竖管、固定B竖管、第一驱动机构的出力轴和第二驱动机构的出力轴均处于固定床架的竖直中轴线上，且所述第一驱动机构和第二驱动机构均嵌入对应的空间框中。
进一步的，还包括床板，所述床板上分布有玻璃纤维排骨架。
进一步的，所述玻璃纤维排骨架为为组合件结构，包括排骨架主体和将所述排骨架主体固定在活动床体上的排骨架座，所述排骨架座设置在排骨架主体两端，其包括与所述排骨架主体端部连接的连接部一和与活动床体连接的连接部二，所述连接部一包括用于放置排骨架主体端部的腔室，所述腔室具有确保当排骨架主体达到最大形变量，排骨架主体端部向腔室外移动最大距离时，排骨架主体端部不从腔室内脱落的安全空间，所述安全空间能满足端部处排骨架主体发生形变时所需的空间。
进一步的，所述腔室包括上表面和下表面，所述下表面为与排骨架主体下表面结构相同的斜面，从腔室内到外，所述斜面与上表面的距离递增。
进一步的，所述排骨架主体包括内部具有填充物的空心玻璃纤维管和包覆在所述玻璃纤维管外表面并向两侧延伸形成翼部的pp材质层。
进一步的，所述填充物包括PVC发泡材料。
进一步的，所述上表面上设有若干防滑机构，所述防滑机构为圆锥状结构，该圆锥状的尖部朝向腔室外。
进一步的，所述腿部床架尾部两侧分别通过腿部连接片与固定床架连接，当电动床床体处于平躺状态时，腿部连接片收起收纳于腿部床架与固定床架之间，当电动床床体按需变化到腿部抬起状态时，腿部连接片展开完成对腿部床架尾部的支撑。
进一步的，所述第一驱动机构包括作为出力轴的头部推杆和给所述头部推杆提供动力的第一驱动器，所述头部推杆的一端与所述第一驱动器连接，另一端与所述连接接头A转动连接；所述第一驱动器的一端与所述固定床架连接，另一端与所述头部推杆连接；
所述第二驱动机构包括作为出力轴的腿部推杆和给所述腿部推杆提供动力的第二驱动器，所述腿部推杆的一端与所述第二驱动器连接，另一端与连接接头B转动连接，所述第二驱动器的一端与所述固定床架连接，另一端与所述腿部推杆连接；
通过第一驱动器/第二控制器控制头部推杆/腿部推杆的伸缩，实现电动床床体的升降。
进一步的，所述驱动机构通过可拆卸机构与电动床床体连接，所述可拆卸机构包括尾部带孔的轴销和与所述轴销配合固定的R型销；进行驱动机构装配时，所述驱动机构的一端通过基座与固定床架连接，所述轴销依次穿过基座和驱动机构的一端，在轴销尾部插入R型销完成连接；其另一端与空间框连接，所述轴销依次穿过空间框和驱动机构的另一端，在轴销尾部插入R型销完成连接。
进一步的，通过在床体关节处采用若干铰链实现床体可折叠，所述床体关节处为横管与固定床架的连接处。
进一步的，所述铰链包括分别固定在床体关节处的固定件、用于将对应的固定件进行两两连接的连接件和插销，所述固定件的顶部向外侧延伸形成供插销插入的连接孔一，所述连接件的两侧向下延伸形成可供插销插入的连接孔二，所述插销依次穿过连接孔一和连接孔二，使固定件能相对于连接件活动。
进一步的，所述连接件呈工字型结构，其四端均向下延伸形成可供插销插入的连接孔二，位于同侧的两个连接孔二之间保持间距，所述间距可放置连接孔一。
进一步的，所述固定件包括固定壁和设置在所述固定壁顶部的连接部，所述固定壁与连接部相互垂直，该固定壁与床体关节处的侧壁相固定，所述连接部由连接孔一构成。
进一步的，在所述活动床架的一端设有可活动床垫档杆，所述床垫档杆包括依次连接的止挡部和弯曲连接部，所述弯曲连接部的一端与止挡部的下端连接，另一端与活动床架转动连接；床垫档杆使用时，所述止挡部打开使其与活动床架之间呈一定能对床垫进行限位的角度，床垫档杆收纳时，止挡部收起，且收起后的挡止部高度不高出固定床架的床面。
进一步的，所述弯曲连接部包括在床垫档杆使用时能依靠活动床架对止挡部进行限位的结构。
进一步的，在所述固定床架的下表面设有若干减震块。
进一步的，还包括设置在固定床体下表面的能双向调节高度的床脚。
进一步的，所述床脚包括上部床脚、调节中部和底部床脚，在所述上部床脚内设有上部轴杆，在所述调节中部内设有正反牙调节轴杆，在所述底部床脚内设有轴套，所述正反牙调节轴杆包括正螺纹端和反螺纹端，所述正螺纹端表面的螺纹方向与反螺纹端表面的螺纹方向相反，所述上部轴杆通过内部设置的螺纹与正反牙调节轴杆的正螺纹端螺纹配合连接，所述轴套通过内部设置的螺纹与正反牙调节轴杆的负螺纹端螺纹配合连接，进行高度调整时，旋转正反牙调节轴杆，分别驱动上部轴杆和轴套，使上部轴杆带动上部床脚向上高度调整，轴套带动下部床脚向下高度调整。
进一步的，所述上部轴杆顶部向上延伸形成能与固定床体进行可拆卸连接的连接部，所述连接部表面设有螺纹。
进一步的，在所述正反牙调节轴杆表面螺纹变化处的两侧分别设置一限位端，所述调节中部内还设有内衬部，所述内衬部纵截面呈H字形结构，包括空心圆柱件和设置在空心圆柱件中部的圆盘件，所述正反牙调节轴杆通过两侧的限位端与圆盘件固连。
进一步的，所述上部床脚包括对上部轴杆进行外部支撑保护的上部壳体，所述调节中部包括对正反牙调节轴杆和内衬部进行外部支撑保护的中部壳体，所述下部床脚包括对轴套进行外部支撑保护的底部壳体，所述中部壳体从上至下依次包括内衬部上端对应的壳体一、圆盘件对应的壳体二和内衬部下端对应的壳体三，当床脚处于初始状态时，上部壳体的底部套住壳体一，底部壳体的上部套住壳体三。
进一步的，在所述壳体三外表面设有防滑花纹。
有益效果：本发明具有以下优点：
1、本发明的电动床床体总高度能够低于9厘米，且电机可以完全放置在9厘米高的床体中；因为电机可完全放置在床体中，故床体下底面为平面，本发明的电动床可以不使用床脚直接放在平面上使用或者现有床架上使用；
2、本发明的电动床采用的是铁架和玻璃纤维排骨架相结合，受力较大的结构件部分使用金属件，受力小并且舒适度要求高的床板部分使用玻璃纤维排骨架，玻璃纤维排骨架具有密度小、重量轻、环保、有韧性、舒适度高等优点；
3、本发明的电动床为可折叠结构，因为本发明的床体体积就小，折叠后包装尺寸也很小，既降低运输成本，也方便客户运输和搬运；
4、本发明的电动床采用隐藏式床垫档杆，将床垫档杆设计为可折叠隐藏的，客户可以根据自己的需求来调整，档杆折叠后高度不会高出床面，仍然可以正常使用床垫；
5、本发明的床脚能够实现上下双向调节，且调节高度不影响床脚的支撑强度；
6、本发明的驱动机构与床体为可拆卸连接，无论是生产还是后期售后维修，提供了便捷；
7、本发明的关节连接处能够实现快速安装，提高生产效率，降低生产难度。
附图说明
图1为现有的电动床床体结构示意图；
图2为本发明的电动床床体爆炸图；
图3为平躺状态下的电动床床体俯视图；
图4为平躺状态下的固定床架和活动床架的结构示意图；
图5为抬起状态下的电动床床体姿态示意图；
图6为本发明的常态下的电动床床体主视图；
图7为本发明的常态下的电动床床体侧视图；
图8为抬起状态下的腿部床体局部示意图；
图9为连接接头A的结构示意图；
图10为连接接头B和连接接头C的结构示意图；
图11为单根排骨架结构示意图；
图12为排骨架主体剖视图；
图13为排骨架主体与排骨架座的连接示意图；
图14为排骨架座结构示意图；
图15为排骨架座剖视图；
图16为驱动机构安装示意图；
图17为抬起状态下的驱动机构示意图；
图18为驱动机构与电动床床体连接爆炸图；
图19为折叠后的电动床床体结构；
图20为电动床床体关节连接处的结构示意图；
图21为图20的爆炸图；
图22为床垫档杆结构示意图；
图23为床垫档杆与床体的连接示意图；
图24为床垫档杆使用示意图；
图25为床垫档杆收纳示意图；
图26为未高度调整床脚示意图；
图27为高度调整床脚示意图；
图28为床脚爆炸示意图；
图29为床脚内部结构剖视图；
图30为具有床脚的常态下的电动床床体主视图；
图31为内衬部结构示意图。
具体实施方式
下面结合附图和实施例进一步阐述本发明。
实施例1：
图1为目前市面上典型的电机驱动横管实现电动床姿态调整的电动床结构示意图，但这类型电动床没有合理设计电机推力分配，导致需要通过占用大量空间来调整电机角度，来防止电机推力分布不均导致电动床床体结构件变形的情况发生；为解决上述缺陷，本实施例的电动床床体的头部电机和腿部电机都处在整床的竖直中轴线上，且在竖直中轴线上安装多个可以直接承受电机推力的金属件，可以直接将电机推力传至床架，本实 施例的床体结构，即使电机角度很小，也不会因为电机的水平推力过大而破坏床体结构件。现结合附图对本实施例的电动床床体进行详细介绍：
结合图2至图7，本实施例的一种电动床床体包括固定床架1、能相对于固定床架1活动的活动床架2和驱动活动床架2活动的驱动机构3，本实施例的活动床架2又细分为依次连接的头部床体21、固定床体22和腿部床体23，固定床体22固定在固定床架1上，驱动机构又细分为驱动头部床体21运动的第一驱动机构31和驱动腿部床体23运动的第二驱动机构32；参见图5，本实施例的第一驱动机构31包括作为出力轴的头部推杆311和给头部推杆311提供动力的第一驱动器312，第一驱动器312的一端与固定床架1连接，另一端与头部推杆311连接；同理，第二驱动机构32包括作为出力轴的腿部推杆321和给腿部推杆321提供动力的第二驱动器322，第二驱动器322的一端与固定床架1连接，另一端与腿部推杆321连接；本实施例的头部推杆311和腿部推杆321可采用铝管，第一驱动器312和第二控制器322可采用电机，通过第一驱动器312/第二控制器322控制头部推杆311/腿部推杆321的伸缩，使头部床体21和腿部床体23相对于固定床体22活动，从而使电动床床体在平躺状态和抬起状态之间变化，本实施例提到的抬起状态包括头部抬起和腿部抬起。
详细的，结合图2至图4，本实施例的头部床体21包括能够相对于固定床架1活动的头部床架211，在由头部床架211框出的区域内设置包括有头部床体竖管212和供第一驱动机构31嵌入的空间框A 213，该空间框A 213是由金属方管构成的圆角矩形框且该空间框A 213设置在头部床架211的上端，具体的，该空间框A 213一上端边与头部床架211的上端边固定，在空间框A 213的下端边上焊死有一连接接头A 21a，头部推杆311与连接接头A 21a转动连接，该连接接头A 21a相当于第一驱动器312对头部床体21的推力点，通过该推力点将推力分配至头部床体竖管212和固定A竖管222上，具体地，该头部床体竖管212的一端与空间框A 213固定连接，此处可选择直接焊死，其另一端与固定A管222转动连接；本实施例的头部床体竖管212与空间框A 213的连接点与连接接头A 21a在空间框A 213上的设置位于相对应，均处在固定床架1的竖直中轴线上；当电动床床体按需变化到头部抬起状态时，第一驱动机构31驱动空间框A 213，空间框A 213带动头部床体竖管212使头部床体21绕头部床体竖管212与固定A管222的连接处仰起，简言之，头部床体21经第一驱动机构31驱动通过头部床体竖管212与固定A竖管222力传递配合实现头部床体21相对于固定床体22转动。
结合图2至图5，本实施例的腿部床体23结构与头部床体21结构相似，其具体包括能够相对于固定床架1活动的腿部床架231，在由腿部床架231框出的区域内设置腿部床体竖管232和供第二驱动机构32嵌入的空间框B 233，该空间框B 233是由金属方管构成的圆角矩形框且设置在尾部床体23的尾端，具体的，空间框B 233的下端边与尾部床体23的下端边固定，在空间框B 233的上端边上焊死有连接接头B 23a和连接接头C 23b，参见图9和图10，连接接头B 23a焊丝在空间框B 233的上端边的内侧，且连接接头B 23a的结构与连接接头A 21a的结构相同，均由两片间隔设置在空间框上的带孔三角状焊片构成，连接接头C 23b采用板凳件，其凳面焊死在空间框B 233的上端边的内侧，凳脚上对应设置连接孔用于转动连接腿部床体竖管232，连接接头B 23a和连接接头C 23b在空间框B 233的上端边上的固定位置相对应，处在固定床架1的竖直中轴线上；连接接头B 23a与第二驱动机构32的腿部推杆321转动连接，连接接头C 23b与腿部床体竖管232的一端转动连接，该腿部床体竖管232的另一端与固定B竖管223转动连接；与头部床体21结构原理相同，连接接头B 23a作为第二驱动器322对腿部床体23的推力点，通过该推力点将推力合理分配至腿部床体竖管232和固定B管223 上，当电动床床体按需变化到腿部抬起状态时，腿部床体经第二驱动机构驱动32通过腿部床体竖管232与固定B竖管223力传递配合腿部床体23相对于固定床体转动22。
本实施例还可在腿部床架231尾部两端下表面处设置腿部连接片234，具体的，腿部连接片234的一端与腿部床架231尾部左右任意一端的下表面转动连接，其另一端与固定床架1转动连接，当电动床床体处于平躺状态时，腿部连接片234收起收纳于腿部床架231与固定床架1之间，从空间位置来看，从上之下腿部床架231、腿部连接片234、固定床架1依次叠放并与地面平行；当电动床床体按需变化到腿部抬起状态时，腿部连接片234展开完成对腿部床架231尾部的支撑，此处的腿部连接片234展开指的是腿部连接片234与固定床架1之间呈一定角度，腿部连接片234与腿部床架231之间呈一定角度，该角度根据腿部床架231抬起状态变化。
如图2所示，本实施例的固定床体22包括横管221和分别设置在横管两侧的固定A竖管222、固定B竖管223，详细的，横管221呈水平状固定在固定床架1上，固定A管222垂直设置在横管221的上侧，固定B竖管223垂直设置在横管221的下侧，该固定A竖管222的一端与头部床体竖管212的另一端转动连接，其另一端与横管221固连，固定B竖管223的一端与腿部床体竖管232的另一端转动连接，其另一端与横管221固连。
头部床体竖管212和固定A竖管222构成A侧竖管链，腿部床体竖管232和固定B竖管223构成B侧竖管链，本实施例通过A侧竖管链和B侧竖管链完成将驱动机构的推力合理分布；当电动床床体处于平躺状态时，A侧竖管链的位置、B侧竖管链的位置、头部推杆的位置和腿部推杆的位置均处在固定床架1的竖直中轴线上，这样的结构设计，可直接将驱动器的推力传至床架，即使电机角度很小，也不会因为水平推力过大而破坏床体结构件。
本实施例的电动床床体处于平躺状态时，第一驱动机构31和第二驱动机构32均嵌入对应的空间框中，此时驱动机构的下表面离地高度不低于电动床床体下表面离地高度；由此，本实施例的电动床床体具有超薄的特性，床体总高度低于9cm，驱动器可直接设计在9cm高的床体中，另外，本实施例无需通过将驱动器安装位置下降来达到抬升床板的目的，故本实施例的床体下表面为平面，可以不使用床脚使用，将其直接放置在地面或用户现有的床架上使用。
实施例2：
本实施例在实施例1的电动床床体的基础上，对床体的排骨架进行了改进，具体为：本实施例的电动床床体采用将金属件与玻璃纤维排骨架相结合的方式，达到床体重量轻、密度小、有韧性、高舒适度等特性。
如图2和图3所示，在头部床体、固定床体和腿部床体上除开竖管等金属件外的部分均等间隔分布有排骨架4，排骨架4根据自身设置位置不同，大小不同，但其结构均一致，参见图11至图15，包括排骨架座42和排骨架主体41，排骨架主体41通过排骨架座42固定在活动床架各处，设置在空间框A 213周围的排骨架，其排骨架主体的一端通过排骨架座固定在头部床架211上，另一端通过排骨架座固定在空间框A的213左端边/右端边上，设置在头部床体竖管212周围的排骨架，其排骨架主体的一端通过排骨架座固定在头部床体竖管212上，另一端通过排骨架座固定在头部床架211上；本实施例的排骨架主体采用玻璃纤维，且排骨架主体与排骨架座并非完全固定死，确保排骨架主体在不脱离排骨架座的前提下，具有一定的形变范围，这样设计的好处在于，当用户躺在床体上时，本实施例的排骨架能够更快的提供形变，提高用户舒适度。具体结构现详细介绍：
本实施例的排骨架主体41包括内部填充有PVC发泡的玻璃纤维管411和包覆在玻璃纤维管外表面并向两侧延伸形成翼部412的pp材质层；排骨架座42为注塑件包括基座主体421、与排骨架主体41连接的连接部一422和与活动床体铆接固定的连接部二423，该基座主体421的上表面向一侧延伸形成一限位板，该限位板与基座主体421的侧壁构成连接部二423，用于与活动床体固定；该连接部一422包括用于放置排骨架主体端部并配合排骨架主体形变的腔室4221，腔室4221具有确保当排骨架主体41达到最大形变量，排骨架主体41端部向腔室4221外移动最大距离时，排骨架主体41端部不从腔室内脱落的安全空间，所述安全空间能满足端部处排骨架主体发生形变时所需的空间，该腔室4221的作用是，当排骨架主体发生形变时，腔室4221能保证排骨架主体端部在不脱离基座主体421的前提下能够随排骨架主体进行变化，故腔室4221的结构形状均与排骨架主体的结构形状对应一致，也就是说，腔室4221为山丘状，中间呈圆弧形凸起两端为水平翼型，本实施例可在腔室4221的上内表面设有防滑机构；该防滑机构为越往外宽度和厚度越小结构，具体可以描述为圆锥状结构；该腔室4221的下表面为与排骨架主体下表面的结构形状一致的斜面4222，越往腔室深处，腔室上表面到斜面的距离越短。
实施例3：
本实施例在实施例1或实施例2的基础上，对驱动机构与电动床床体的连接处进行改进，具体为：
参见图16-18，本实施例的驱动机构3通过可拆卸机构与电动床床体连接，可拆卸机构包括尾部带孔的轴销9和与轴销9配合固定的R型销91；进行驱动机构3装配时，驱动机构的一端通过基座与固定床架1连接，轴销9依次穿过基座一端、驱动机构一端、驱动机构另一端和基座另一端，在轴销9尾部插入R型销完成连接；驱动机构的另一端与空间框连接，轴销9依次穿过空间框和驱动机构的另一端，在轴销9尾部插入R型销91完成连接。
实施例4：
本实施例是在上述实施例的基础上，实现电动床床体的可折叠并且该电动床床体的关节连接处能够快速安装等特点，具体为：
本实施例通过在固定床架的关节连接处设置若干铰链以实现可折叠，基于实施例1的基础上的话，本实施例的铰链设置在横管的一侧边上，具体的，在实施例1的基础上，采用本实施例的铰链3个，其中一个铰链设置在横管与固定A竖管之间，另2个铰链对应设置在横管两端；便于解释，将位于铰链一侧的床体称为床体一，位于铰链另一侧的床体称为床体二，此处所说的床体也包括固定床架，也就是说床体一中包括由半幅固定床架，床体二中也包括有半幅固定床架。在实施例1的基础上，也就是说，与包括横管和固定B竖管对应的床体为床体一，与固定A竖管对应的床体为床体二；进行最大角度折叠时，位于铰链一侧的床体一上表面可直接与位于铰链另一侧的床体二上表面贴合，参见图19。
结合图20和图21，本实施例的铰链5包括固定件51、连接件52和弹珠插销53，在床体一和床体二相对的侧面上分别固定有固定件51，固定件51的顶部向外延伸形成供弹珠插销插入的连接孔一511，连接件52呈工字型结构其四端均向下延伸形成可供弹珠插销插入的连接孔二521，该连接件52两个连接孔二521之间的间距522用于放置固定件51的连接孔一511，进行铰链装配时，弹珠插销53依次穿过连接件52的连接孔二和固定件51的连接孔一511。
固定件51包括固定壁和设置在固定壁顶部的连接部，固定壁与连接部相互垂直， 该固定壁与床体一和床体二相对的侧面固定，所述连接部由连接孔一构成。
在实施例1的基础上，设置在横管与固定A竖管之间的铰链的一个固定件固定在横管的侧壁上，另一个固定件固定在固定A竖管的侧壁上，通过连接件52和弹珠插销53完成连接，其他两个铰链连接方式相同，设置在横管两端的铰链的一个固定件固定在床体一的半幅固定床架的侧壁上，另一个固定件固定在床体二的半幅固定床架的侧壁上。
实施例5：
本实施例是在上述实施例的基础上，在电动床床体上增设可活动床垫档杆6，该床垫档杆6在不使用时可以折叠隐藏，客户可以根据自己的需求来调整，床垫档杆折叠后高度不高过床面，仍然可以正常使用床垫，具体为：
结合图22至图25，在活动床架的一端设有可活动床垫档杆6，在实施例1的基础上，该床垫档杆6具体通过档杆基座63设置在腿部床架231的下端两侧，本实施例的床垫档杆6包括依次连接的止挡部61和弯曲连接部62，该止挡部61由金属圆管围成下开口的圆角矩形结构，该弯曲连接部62包括在床垫档杆使用时能靠住活动床架对止挡部进行限位的结构，该结构具体可以通过由金属圆管构成的直角实现，该弯曲连接部62通过档杆基座63与活动床架的一端连接，详细的，弯曲连接部62的一端与止挡部61的下端连接，另一端通过档杆基座63与活动床架转动连接，该档杆基座63与活动床架固连，其与弯曲连接部活动连接，本实施例的档杆基座63为不规则多边形结构，其中两条边呈直角用于与固定活动床架。本实施例的；床垫档杆使用时，止挡部61打开使其与活动床架之间呈一定能对床垫进行限位的角度，可参见图24，床垫档杆收纳时，止挡部收起与活动床架表面贴紧，可参见图25，在实施例2的基础上，收纳后的床垫档杆与排骨架上表面紧贴。
实施例6：
本实施例是在上述实施例的基础上，在电动床床体的下表面设有若干减震块7，以配合当不采用床脚使用本发明的电动床床体时，通过橡胶减震块可以应对地面或床面不平整的情况，具有良好的减震效果。
实施例7：
本实施例是在上述实施例的基础上，设计了一个能进行上、下双向调节高度的床脚，参见图26、图27和图30，本实施例的床脚采用塑料件，调节高度可达5cm，且通过改进床脚内部的结构，使调整床脚高度不影响床脚强度，具体为：
参见图28、图29和图31，本实施例的床脚8包括上部床脚81、调节中部82和底部床脚83，上部床脚81包括上部壳体811、设置在上部壳体811内的上部轴杆812，调节中部82包括中部壳体821和设置在中部壳体821内的内衬部、正反牙调节轴杆824，底部床脚83包括底部壳体831和设置在底部壳体内的轴套832，正反牙调节轴杆824包括正螺纹端和反螺纹端，正螺纹端表面的螺纹方向与反螺纹端表面的螺纹方向相反，上部轴杆812通过内部设置的螺纹与正反牙调节轴杆824的正螺纹端螺纹配合连接，轴套832通过内部设置的螺纹与正反牙调节轴杆824的反螺纹端螺纹配合连接，本实施例的上部轴杆812顶部向上延伸形成能与固定床体1可拆卸连接的连接部812a。
本实施例在正反牙调节轴杆824的正反牙变化处两侧设置限位端825，内衬部纵截面呈H字形结构，包括空心圆柱件822和设置在空心圆柱件822中部的圆盘件823，正反牙调节轴杆824通过两侧的限位端825与圆盘件823固连，正反牙调节轴杆的正螺纹端穿过空心圆柱件822的上端空腔与上部轴杆咬合，反螺纹端穿过空心圆柱件822的下端空腔与轴套咬合；为方便说明，现将中部壳体从上至下依次分为内衬部上端对应的壳体一、圆盘件对应的壳体二和内衬部下端对应的壳体三，当床脚处于初始状态时，上部 壳体的底部套住壳体一，底部壳体的上部套住壳体三。当中部壳体受外力进行旋转时，带动正反牙调节轴杆旋转，分别驱动上部轴杆和轴套，使上部轴杆带动上部床脚向上高度调整，轴套带动下部床脚向下高度调整。为方便用户进行旋转调节床脚，在壳体三外表面设有防滑花纹。

Claims (25)

  1. 一种电动床床体，其特征在于：包括固定床架、能相对于固定床架活动的活动床架和驱动活动床架活动的驱动机构，所述活动床架上设有可供驱动机构嵌入的空间框、横管和设置在所述横管上下两侧的若干竖管，位于横管上侧的所有竖管之间首尾转动连接整体构成A侧竖管链，位于横管另一侧的所有竖管之间首尾转动连接整体构成B侧竖管链，所述A侧竖管链的一端和B侧竖管链的一端均与横管连接，所述A侧竖管链的另一端和B侧竖管链的另一端分别受驱动机构驱动，带动相应的各竖管进行力分配使电动床床体在平躺状态和抬起状态之间变化；在电动床床体处于平躺状态时，所述驱动机构嵌入所述空间框中，所有竖管的设置位置和驱动机构的出力轴的位置均处于固定床架的竖直中轴线上，该驱动机构的下表面离地高度不低于电动床床体下表面离地高度。
  2. 根据权利要求1所述的一种电动床床体，其特征在于：所述活动床架包括依次连接的头部床体、固定床体和腿部床体，所述驱动机构包括驱动头部床体运动的第一驱动机构和驱动腿部床体运动的第二驱动机构；所述固定床体固定在固定床架上，所述头部床体和所述腿部床体均能相对于所述固定床体活动。
  3. 根据权利要求2所述的一种电动床床体，其特征在于：所述头部床体包括能够相对于固定床架活动的头部床架、在由所述头部床架框出的区域内设置有头部床体竖管和供第一驱动机构嵌入的空间框A，该头部床体竖管的一端与空间框A固定连接，另一端与固定A竖管转动连接；所述空间框A上固连有连接接头A，该第一驱动机构通过与连接接头A连接将其推力能作用于空间框A上；
    所述腿部床体包括能够相对于固定床架活动的腿部床架、在由所述腿部床架框出的区域内设置有腿部床体竖管和供第二驱动机构嵌入的空间框B，所述空间框B上固定有连接接头B和连接接头C，所述连接接头B与第二驱动机构转动连接，所述连接接头C与腿部床体竖管的一端转动连接，该腿部床体竖管的另一端与固定B竖管转动连接；
    所述固定床体包括横管和分别设置在横管两侧的固定A竖管、固定B竖管，所述固定A竖管的一端与头部床体竖管的另一端转动连接，另一端与横管固连，所述固定B竖管的一端与腿部床体竖管的另一端转动连接，另一端与横管固连，所述横管水平固定在固定床架上；
    所述头部床体竖管和固定A竖管构成A侧竖管链，所述腿部床体竖管和固定B竖管构成B侧竖管链。
  4. 根据权利要求1、2或3所述的一种电动床床体，其特征在于：还包括床板，所述床板上分布有玻璃纤维排骨架。
  5. 根据权利要求4所述的一种电动床床体，其特征在于：所述玻璃纤维排骨架为为组合件结构，包括排骨架主体和将所述排骨架主体固定在活动床体上的排骨架座，所述排骨架座设置在排骨架主体两端，其包括与所述排骨架主体端部连接的连接部一和与活动床体连接的连接部二，所述连接部一包括用于放置排骨架主体端部的腔室，所述腔室具有确保当排骨架主体达到最大形变量，排骨架主体端部向腔室外移动最大距离时，排骨架主体端部不从腔室内脱落的安全空间，所述安全空间能满足端部处排骨架主体发生形变时所需的空间。
  6. 根据权利要求5所述的一种电动床床体，其特征在于：所述腔室包括上表面和下表面，所述下表面为与排骨架主体下表面结构相同的斜面，从腔室内到外，所述斜面与上表面的距离递增。
  7. 根据权利要求4或5所述的一种电动床床体，其特征在于：所述排骨架主体包括内部具有填充物的空心玻璃纤维管和包覆在所述玻璃纤维管外表面并向两侧延伸形 成翼部的pp材质层。
  8. 根据权利要求7所述的一种电动床床体，其特征在于：所述填充物包括PVC发泡材料。
  9. 根据权利要求4所述的一种电动床床体，其特征在于：所述上表面上设有若干防滑机构，所述防滑机构为圆锥状结构，该圆锥状的尖部朝向腔室外。
  10. 根据权利要求3所述的一种电动床床体，其特征在于：所述腿部床架尾部两侧分别通过腿部连接片与固定床架连接，当电动床床体处于平躺状态时，腿部连接片收起收纳于腿部床架与固定床架之间，当电动床床体按需变化到腿部抬起状态时，腿部连接片展开完成对腿部床架尾部的支撑。
  11. 根据权利要求3所述的一种电动床床体，其特征在于：所述第一驱动机构包括作为出力轴的头部推杆和给所述头部推杆提供动力的第一驱动器，所述头部推杆的一端与所述第一驱动器连接，另一端与所述连接接头A转动连接；所述第一驱动器的一端与所述固定床架连接，另一端与所述头部推杆连接；
    所述第二驱动机构包括作为出力轴的腿部推杆和给所述腿部推杆提供动力的第二驱动器，所述腿部推杆的一端与所述第二驱动器连接，另一端与连接接头B转动连接，所述第二驱动器的一端与所述固定床架连接，另一端与所述腿部推杆连接。
  12. 根据权利要求1所述的一种电动床床体，其特征在于：所述驱动机构通过可拆卸机构与电动床床体连接，所述可拆卸机构包括尾部带孔的轴销和与所述轴销配合固定的R型销；进行驱动机构装配时，所述驱动机构的一端通过基座与固定床架连接，所述轴销依次穿过基座和驱动机构的一端，在轴销尾部插入R型销完成连接；其另一端与空间框连接，所述轴销依次穿过空间框和驱动机构的另一端，在轴销尾部插入R型销完成连接。
  13. 根据权利要求1所述的一种电动床床体，其特征在于：通过在床体关节处采用若干铰链实现床体可折叠，所述床体关节处为横管与固定床架的连接处。
  14. 根据权利要求13所述的一种电动床床体，其特征在于：所述铰链包括分别固定在床体关节处的固定件、用于将对应的固定件进行两两连接的连接件和插销，所述固定件的顶部向外侧延伸形成供插销插入的连接孔一，所述连接件的两侧向下延伸形成可供插销插入的连接孔二，所述插销依次穿过连接孔一和连接孔二，使固定件能相对于连接件活动。
  15. 根据权利要求14所述的一种电动床床体，其特征在于：所述连接件呈工字型结构，其四端均向下延伸形成可供插销插入的连接孔二，位于同侧的两个连接孔二之间保持间距，所述间距可放置连接孔一。
  16. 根据权利要求15所述的一种电动床床体，其特征在于：所述固定件包括固定壁和设置在所述固定壁顶部的连接部，所述固定壁与连接部相互垂直，该固定壁与床体关节处的侧壁相固定，所述连接部由连接孔一构成。
  17. 根据权利要求1所述的一种电动床床体，其特征在于：在所述活动床架尾端设有可活动床垫档杆，所述床垫档杆包括依次连接的止挡部和弯曲连接部，所述弯曲连接部的一端与止挡部的下端连接，另一端与活动床架转动连接；床垫档杆使用时，所述止挡部打开使其与活动床架之间呈一定能对床垫进行限位的角度，床垫档杆收纳时，止挡部收起，且收起后的挡止部高度不高出固定床架的床面。
  18. 根据权利要求17所述的一种电动床床体，其特征在于：所述弯曲连接部包括在床垫档杆使用时能依靠活动床架对止挡部进行限位的结构。
  19. 根据权利要求1所述的一种电动床床体，其特征在于：在所述固定床架的下表 面设有若干减震块。
  20. 根据权利要求1所述的一种电动床床体，其特征在于：还包括设置在固定床体下表面的能双向调节高度的床脚。
  21. 根据权利要求20所述的一种电动床床体，其特征在于：所述床脚包括上部床脚、调节中部和底部床脚，在所述上部床脚内设有上部轴杆，在所述调节中部内设有正反牙调节轴杆，在所述底部床脚内设有轴套，所述正反牙调节轴杆包括正螺纹端和反螺纹端，所述正螺纹端表面的螺纹方向与反螺纹端表面的螺纹方向相反，所述上部轴杆通过内部设置的螺纹与正反牙调节轴杆的正螺纹端螺纹配合连接，所述轴套通过内部设置的螺纹与正反牙调节轴杆的负螺纹端螺纹配合连接。
  22. 根据权利要求21所述的一种电动床床体，其特征在于：所述上部轴杆顶部向上延伸形成能与固定床体进行可拆卸连接的连接部，所述连接部表面设有螺纹。
  23. 根据权利要求21所述的一种电动床床体，其特征在于：在所述正反牙调节轴杆表面螺纹变化处的两侧分别设置一限位端，所述调节中部内还设有内衬部，所述内衬部纵截面呈H字形结构，包括空心圆柱件和设置在空心圆柱件中部的圆盘件，所述正反牙调节轴杆通过两侧的限位端与圆盘件固连。
  24. 根据权利要求23所述的一种电动床床体，其特征在于：所述上部床脚包括对上部轴杆进行外部支撑保护的上部壳体，所述调节中部包括对正反牙调节轴杆和内衬部进行外部支撑保护的中部壳体，所述下部床脚包括对轴套进行外部支撑保护的底部壳体，所述中部壳体从上至下依次包括内衬部上端对应的壳体一、圆盘件对应的壳体二和内衬部下端对应的壳体三，当床脚处于初始状态时，上部壳体的底部套住壳体一，底部壳体的上部套住壳体三。
  25. 根据权利要求24所述的一种电动床床体，其特征在于：在所述壳体三外表面设有防滑花纹。
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