CN114176352A

CN114176352A - Detachable electric bed

Info

Publication number: CN114176352A
Application number: CN202111644389.XA
Authority: CN
Inventors: 许月莲
Original assignee: Zhejiang Kangbeide Smart Home Co ltd
Current assignee: Zhejiang Kangbeide Smart Home Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-03-15
Anticipated expiration: 2041-12-29
Also published as: CN114176352B

Abstract

The invention discloses a detachable electric bed, which comprises a bed frame, a bed board, a plurality of detachable bed legs and at least one driving part for driving movable plates of the bed board to overturn up and down, wherein the driving part is provided with an electric cylinder as a power source and comprises: one end of the electric cylinder is hinged with the motor support; two fixed foundation bases which are respectively fixedly connected with the left side and the right side of the bedstead; the linkage shaft piece extends along the width direction of the bed, and two end parts of the linkage shaft piece are rotationally connected with the two fixed foundation bases; one end of the bearing seat, which is positioned on one side of the bedstead together with the motor support, is vertically and fixedly connected with the linkage shaft piece, and the other end of the bearing seat is hinged with the other end of the electric cylinder; the two driven rods are respectively and vertically and fixedly connected with the two end parts of the linkage shaft piece; two stress connecting rods extend along the length direction of the bed and are fixed on the lower plate surface of the movable plate, and the two driven rods respectively and upwards abut against the two stress connecting rods. Structural strength is better and the installation is more simple and convenient.

Description

Detachable electric bed

Technical Field

The invention relates to the technical field of electric beds, in particular to a detachable electric bed.

Background

At present, the technology of the electric bed is mature, and the electric bed is provided with a bed frame and a bed board erected on the bed frame, wherein four corners of the bed frame are supported by bed legs, the bed board is divided into a fixed plate and a movable plate, the bed frame is provided with a driving part mainly comprising an electric cylinder, and the movable plate is driven to upwards turn by stretching of the electric cylinder. However, as the shipping cost increases, it is necessary to optimize the structure of the electric bed in terms of strength, mounting structure, and the like.

Disclosure of Invention

The invention aims to provide a detachable electric bed which has better structural strength and is more convenient to mount.

The purpose of the invention is realized as follows: the utility model provides a dismantled and assembled electric bed, includes bedstead, bed board, a plurality of detachable footpost, still includes the drive division that the activity plate that connects the bedstead, order about the bed board overturns from top to bottom, the drive division is equipped with the electronic jar as the power supply, its characterized in that, the drive division includes:

the motor support is fixed on one side of the bed frame, and one end of the electric cylinder is hinged with the motor support;

two fixed foundation bases which are respectively fixedly connected with the left side and the right side of the bedstead;

the linkage shaft piece extends along the width direction of the bed, and two end parts of the linkage shaft piece are rotationally connected with the two fixed foundation bases;

the bearing seat is arranged on one side of the bedstead and is positioned with the motor support, the bearing seat is of a connecting rod structure, one end of the bearing seat is vertically and fixedly connected with the linkage shaft piece, and the other end of the bearing seat is hinged with the other end of the electric cylinder;

the two driven rods are respectively and vertically and fixedly connected with the two end parts of the linkage shaft piece;

the two stress connecting rods extend along the length direction of the bed and are fixed on the lower plate surface of the movable plate, and the two driven rods respectively and upwards abut against the two stress connecting rods;

each fixed foundation base is composed of a hollow pipe, a supporting structure and a bearing hinged support, the hollow pipe is vertically and fixedly connected with the side portion of the bed frame, the supporting structure is fixedly connected with one side of the hollow pipe, which faces the electric cylinder, and the bed frame and is set as a rotary supporting structure of the linkage shaft piece, the bearing hinged support is fixedly connected with one side of the hollow pipe, which faces away from the electric cylinder, and the bearing hinged support is rotatably connected with the stress connecting rod and is set as a rotary supporting structure of the stress connecting rod.

Further, the universal driving shaft piece comprises transmission shaft and two supporting shafts, transmission shaft and supporting shaft are the pipe fitting, two supporting shafts of two driven levers perpendicular fixed connection respectively, and two supporting shafts rotate the bearing structure who connects two fixed foundation bases respectively, the transmission shaft is in between two driven levers and its both ends lock two driven levers respectively.

Further, the propeller shaft includes:

a torque tube in the shape of a circular tube;

two side pieces which are respectively fixed at two ends of the pasting torque tube;

the side piece is provided with a positioning groove, each end of the torque tube is provided with a yielding groove opposite to the positioning groove of the side piece, the driven rod is further fixed with a positioning pin shaft, the side piece is detachably attached to one side of the driven rod, and the positioning pin shaft movably penetrates through the yielding groove and then is inserted into the positioning groove.

Further, every lateral plate all is equipped with a locking piece at least, the lateral plate passes through locking piece detachably and pastes dress driven lever one side, the torque tube is not coaxial with the supporting axle.

The invention has the beneficial effects that:

1. the fixed foundation base is arranged, is equivalent to a structure strengthening node, can provide a rotating fulcrum for the linkage shaft part, can also provide a rotating fulcrum for the stressed connecting rod, and can bear the load borne by the driven rod, particularly the fixed foundation base close to the electric cylinder can also bear the load borne by the electric cylinder in the driving process;

2. the installation is more simple and convenient, wherein, when the installation torque pipe, can paste the lateral plate and lean on driven lever one side, and the activity of locating pin axle is passed and is stepped down the groove after inserting and join in marriage the constant head tank to the completion is to the location of torque pipe, then with the fixed dress of pasting in driven lever one side of lateral plate of locking piece.

Drawings

Fig. 1 is a first perspective view of the present invention.

Fig. 2 is a second perspective view of the present invention.

Fig. 3 is a perspective view of the bed plate when it is flat.

Fig. 4 is a schematic view of a deformation of the bed plate.

Fig. 5 is a left side view of fig. 4.

Fig. 6 is an enlarged view of a portion a of fig. 1.

Fig. 7 is a schematic diagram of the structure based on the view of fig. 6.

Fig. 8 is an exploded view of the mounting structure of the force bearing seat and the driven rod.

Fig. 9 is a schematic view of the installation of the propeller shaft.

Fig. 10 is an enlarged view of a portion B of fig. 9.

Fig. 11 is a schematic structural view of a propeller shaft.

Fig. 12 is a schematic view of the connection structure of the front cross bar and the longitudinal bar.

Fig. 13 is a schematic view of the connection structure of the rear cross bar and the vertical bar.

Detailed Description

The invention will be further described with reference to the accompanying figures 1-13 and specific examples.

As shown in fig. 1 to 3, a detachable electric bed has a base structure including a bed frame 2, a bed board 1, and four detachable bed legs 3, wherein the bed frame 2 is a rectangular frame as a whole, the bed board 1 is erected on the bed frame 2 and has a fixed plate 1a and a movable plate, and the four bed legs 3 are screwed under the bed frame 2 to support the bed frame 2.

The bed frame 2 is integrally of a rectangular frame structure and is composed of a pair of longitudinal rods 2b and a pair of cross rods 2a, the longitudinal rods 2b and the cross rods 2a are horizontally extending pipe fittings, the pair of longitudinal rods 2b form two long edges of the bed frame 2, the pair of cross rods 2a form two short edges of the bed frame 2, two ends of each cross rod 2a are detachably connected with the two longitudinal rods 2b and are located between the two longitudinal rods 2b, an installation foundation is formed by the two longitudinal rods 2b, the bottom surface of each longitudinal rod 2b is the bottom surface of the whole electric bed after the bed legs 3 are removed, and the top surface of each longitudinal rod 2b supports the bed board 1.

In this embodiment, each horizontal pole 2a both ends all are fixed with locating plate 22, and the equal fixedly connected with fixing base in the inboard both ends department position of every vertical pole 2b, so, a total four fixing bases of every beddo, every horizontal pole 2a corresponds the fixing base of two homonymies, and the inboard of two vertical poles 2b of these two fixing base branch departments. The structural forms of the positioning plate 22 and the fixing seat are not limited, and any modification is within the protection scope of the present application.

As shown in fig. 12, the front end fixing seat inside each longitudinal bar 2b is the motor support 6 (or a fixing seat provided separately from the motor support 6), and as shown in fig. 13, the rear end fixing seat inside each longitudinal bar 2b is independent from the motor support 6.

In order to facilitate positioning, each fixing seat is fixedly inserted with a pair of bayonet pins 21, the positioning plate 22 is provided with a pair of bayonet sockets 22a with downward openings, each positioning plate 22 is attached to and locked with the corresponding fixing seat, and the two bayonet pins 21 of each fixing seat are respectively inserted and matched with the two bayonet sockets 22a of each positioning plate 22 to support the positioning plate 22.

In order to facilitate locking, one side of the positioning plate 22 is bent, at least one pin shaft positioning hole 22b is formed in the bent portion, when the bent portion of the positioning plate 22 abuts against the surface of the fixing seat, the pin shaft positioning hole 22b is aligned to the positioning hole of the fixing seat, and then locking is performed again in a bolt mode or a bolt penetrating mode.

When locking horizontal pole 2a and vertical pole 2b each other, down remove from last horizontal pole 2a, make two bayonet locks 21 of fixing base insert respectively in two bayonet sockets 22a of locating plate 22, can have certain tight degree of joining in marriage of inserting in order to reach the locking effect, hold bayonet socket 22a up to two bayonet locks 21, thereby be convenient for horizontal pole 2 a's preliminary location, and simultaneously, locating plate 22's round pin axle locating hole 22b is just to the locating hole of fixing base, can lock once more with the mode of bolt or the mode of wearing the bolt, make locating plate 22 can firmly lock on the fixing base, thereby make horizontal pole 2a and vertical pole 2 b's fixed connection node can obtain strengthening.

The fixed plate 1a of the bed board 1 is fixed on the bed frame 2, the movable plate can be divided into a first movable plate 1b and a second movable plate 1c, the second movable plate 1c is rotatably connected with a shank board 1d, the first movable plate 1b mainly supports the back and the head, the fixed plate 1a mainly supports the buttocks, the second movable plate 1c mainly supports the thighs, and the shank board 1d supports the shanks and the feet.

The electric bed also comprises a front driving part and a rear driving part which drive the movable plate of the bed plate 1 to overturn up and down, the driving part is provided with an electric cylinder as a power source, the electric cylinder is divided into a front electric cylinder 4 and a rear electric cylinder 5, the front driving part is provided with the front electric cylinder 4, and the rear driving part is provided with the rear electric cylinder 5.

Each of the driving portions includes:

a motor support 6 fixed on one side of the bedstead 2, wherein one end of the electric cylinder is hinged with the motor support 6;

two fixed foundation bases 7 which are respectively and fixedly connected with the left side and the right side of the bedstead 2;

the linkage shaft piece extends along the width direction of the bed, and two end parts of the linkage shaft piece are rotationally connected with two fixed foundation bases 7;

the bearing seat 8 is positioned on one side of the bedstead 2 together with the motor support 6, the bearing seat 8 is arranged into a connecting rod structure, one end of the bearing seat is vertically and fixedly connected with the linkage shaft piece, and the other end of the bearing seat is hinged with the other end of the electric cylinder;

two driven rods 12, wherein the two driven rods 12 are respectively and vertically and fixedly connected with two end parts of the linkage shaft piece;

two stress connecting rods 18, the two stress connecting rods 18 extend along the length direction of the bed and are fixed on the lower plate surface of the movable plate, the two driven rods 12 respectively prop against the two stress connecting rods 18 upwards, and the stress connecting rods 18 are rotatably connected with the fixed foundation base 7 and use the fixed foundation base 7 as a rotating fulcrum.

As shown in fig. 1, 4, 5, and 6, a strip-shaped groove extending along the length direction is formed on one side of the stressed connecting rod 18 facing the driven rod 12, the driven rod 12 is connected with a first contact wheel 13 and a second contact wheel 14 in a rotating manner, and in the process of turning up the movable plate, the first contact wheel 13 and the second contact wheel 14 are sequentially in rolling fit with the inner bottom surface of the strip-shaped groove of the stressed connecting rod 18, so that the movable plate is continuously turned up.

Referring to fig. 1, 2, 4 and 5, the front electric cylinder 4 drives the first movable plate 1b to turn upwards, and the rear electric cylinder 5 drives the second movable plate 1c to turn upwards and simultaneously drives the lower leg plate 1d to rotate correspondingly, and the stabilizing link 20 rotatably supports the lower leg plate 1 d.

As shown in fig. 6 and 7, as a preferable scheme, each fixed base seat 7 is composed of a hollow pipe 702, a supporting structure and a bearing hinged seat 703, the hollow pipe 702, the supporting structure and the bearing hinged seat 703 can be integrally formed or are of a split combined structure (the fixed base seat 7 can be composed of two parts), the hollow pipe 702 is vertically and fixedly connected with the side part of the bed frame 2, the supporting structure is fixedly connected with one side of the hollow pipe 702 facing the electric cylinder and the bed frame 2 and is set as a rotary supporting structure of the linkage shaft member, the bearing hinged seat 703 is fixedly connected with one side of the hollow pipe 702 facing away from the electric cylinder, and the bearing hinged seat 703 is rotatably connected with the stress connecting rod 18 and is set as a rotary supporting structure of the stress connecting rod 18.

As shown in fig. 6, 9 and 10, in this embodiment, the linkage shaft member is composed of a transmission shaft 15 and two support shafts 9 which are not coaxial, the transmission shaft 15 and the support shafts 9 are both pipe members and are parallel to each other, when the bed plate 1 is laid, the support shafts 9 are close to the lower plate surface of the bed plate 1, the transmission shaft 15 and the support shafts 9 can be coaxial or non-coaxial, two driven rods 12 are respectively and vertically and fixedly connected with the two support shafts 9, the two support shafts 9 are respectively and rotatably connected with the support structures of the two fixed base seats 7, the transmission shaft 15 is located between the two driven rods 12, and two ends of the transmission shaft 15 are respectively locked with the two driven rods 12.

As shown in fig. 9 to 11, the above-mentioned drive shaft 15 includes:

a torque tube 15a in a circular tube shape;

two side pieces 15b are respectively fixed at two ends of the torque tube 15 a.

Wherein, lateral plate 15b is equipped with constant head tank 15c, and every one end of torque tube 15a all is equipped with the groove of stepping down 15d just to the constant head tank 15c of lateral plate 15b, and driven lever 12 still is fixed with location pin axle 17, and lateral plate 15b detachably pastes dress driven lever 12 one side to make location pin axle 17 activity pass and step down and insert behind groove 15d and join in marriage constant head tank 15c, location pin axle 17 penetrates the torque tube 15a inner chamber.

As shown in fig. 10, each side piece 15b is provided with a locking member 16, the locking member 16 may be a screw, the side piece 15b is detachably attached to one side of the driven lever 12 through the locking member 16, the torque tube 15a is not coaxial with the support shaft 9, the axis of the torque tube 15a is parallel to the axis of the support shaft 9, the axis of the torque tube 15a is offset from the axis of the support shaft 9 by a certain amount and the offset direction conforms to the length direction of the driven lever 12, the distance between the locking member 16 and the positioning pin 17 is larger than the diameter of the torque tube 15a, and the arrangement direction between the locking member 16 and the positioning pin 17 conforms to the length direction of the driven lever 12 as much as possible.

In the whole rotation process of the linkage shaft, the supporting shaft 9 on the driving side transmits torque through the locking piece 16 and the positioning pin shaft 17, the supporting shaft 9 on the driven side is driven to rotate through the torque tube 15a, and the two driven rods 12 rotate upwards.

Under the condition of transmitting the same torque, the stress concentration degree of two points of the locking piece 16 and the positioning pin shaft 17 can be reduced, the problem of the angle difference of the bed plates at the left side and the right side of the bed caused by the assembly clearance can be reduced, and the problem of the angle accuracy of the bed plate at the side of the bed without a motor is solved.

As shown in fig. 6 to 8, the support structure of the fixed base 7 is an L stay 701 of an L-shaped plate, a horizontal portion of the L stay 701 is fixedly connected to the bed frame 2 and the hollow pipe 702, a vertical portion of the L stay 701 is fixedly connected to the hollow pipe 702, and a vertical portion of the L stay 701 is pivotally connected to the support shaft 9 and is a rotation support structure of the support shaft 9. The above-mentioned supporting axle 9 is coaxially fitted with a sleeve 10, the sleeve 10 is a rotary support for the supporting axle 9, the supporting axle 9 is rotatably connected with the supporting structure of the fixed base 7 through the sleeve 10, the sleeve 10 can be formed by two arc-shaped parts hinged to each other so as to be fitted over the supporting axle 9, and then the sleeve 10 is locked on the vertical plate part of the L-shaped support plate 701 by the locking piece 11.

As shown in fig. 6, the force bearing seat 8 and the driven rod 12 are integrally parallel to each other, and the force bearing seat 8 faces the driven rod 12 in the axial direction of the transmission shaft 15.

This embodiment has two advantages:

the strength is better, the process is simpler, the appearance is simpler and more attractive, and the cost is lower;

and secondly, the integral installation is simpler and more convenient.

While the above is a preferred embodiment of the present invention, those skilled in the art can make various changes or modifications based on the above, for example, all the pipe members are round pipes or square pipes, and such changes or modifications should fall within the protection scope of the present invention without departing from the general concept of the present invention.

Claims

1. A detachable electric bed, comprising a bed frame (2), a bed board (1), a plurality of detachable bed feet (3), and at least one driving bed board (1) connected to the bed frame (2) The driving part of the movable plate that is turned up and down, the driving part is provided with an electric cylinder as a power source, and it is characterized in that, the driving part includes:

a motor support (6) fixed on one side of the bed frame (2), and one end of the electric cylinder is hinged to the motor support (6);

two fixed bases (7) respectively fixedly connected to the left and right sides of the bed frame (2);

a linkage shaft member, the linkage shaft member extends along the width direction of the bed, and the two end portions thereof are rotatably connected to two fixed bases (7);

A bearing seat (8) on one side of the bed frame (2) co-located with the motor support (6), the bearing seat (8) is set as a connecting rod structure, one end of which is vertically and fixedly connected with the linkage shaft, and the other end is Hinged with the other end of the electric cylinder;

Two driven rods (12), the two driven rods (12) are respectively vertically fixed and connected to both ends of the linkage shaft;

Two force-bearing connecting rods (18), the two force-bearing connecting rods (18) extend along the length direction of the bed and are fixed on the lower plate surface of the movable plate, and the two driven rods (12) push up against the two force-bearing connecting rods (18) respectively, The force-bearing connecting rod (18) is rotatably connected with the fixed base (7) and takes the fixed base (7) as a fulcrum of rotation;

Wherein, the linkage shaft member is closer to the electric cylinder than the rotation fulcrum of the force-bearing connecting rod (18).

2. A detachable electric bed according to claim 1, characterized in that, each fixed base (7) consists of a fixed element, a support structure, a load-bearing hinge seat (703) which are integrally formed or combined in separate parts. ), the fixing element is fixedly connected to the side of the bed frame (2), the support structure is fixedly connected to the side of the fixing element facing the electric cylinder and the bed frame (2), and is set as a rotating support structure for the linkage shaft, The force-bearing hinge seat (703) is fixedly connected to the side of the fixing element facing away from the electric cylinder, and the force-bearing hinge seat (703) is rotatably connected with the force-bearing connecting rod (18) and is set as the force-bearing connecting rod (18). ) of the rotating support structure.

3. A detachable electric bed according to claim 2, characterized in that, the linkage shaft member is composed of a transmission shaft (15) and two supporting shafts (9), the transmission shaft (15) and The supporting shafts (9) are all pipe fittings, the two driven rods (12) are respectively vertically and fixedly connected to the two supporting shafts (9), and the two supporting shafts (9) are respectively rotatably connected to the supporting structures of the two fixed base seats (7). The shaft (15) is located between the two driven rods (12), and the two driven rods (12) are respectively locked at both ends of the shaft (15).

4. A detachable electric bed according to claim 3, wherein the drive shaft (15) comprises:

round tubular torque tube (15a);

two side pieces (15b) for fixing and mounting the two ends of the torque tube (15a) respectively;

Wherein, the side piece (15b) is provided with a positioning groove (15c), and each end of the torque tube (15a) is provided with a way-out groove (15d) facing the positioning groove (15c) of the side piece (15b), The driven rod (12) is also fixed with a positioning pin (17), and the side piece (15b) is detachably mounted on one side of the driven rod (12), and enables the positioning pin (17) to move After passing through the let-away groove (15d), fit the positioning groove (15c).

5. A detachable electric bed according to claim 4, characterized in that, each side piece (15b) is provided with at least one locking member (16), and the side piece (15b) is locked by The stopper (16) is detachably mounted on one side of the driven rod (12), and the torque tube (15a) is not coaxial with the support shaft (9).

6. A detachable electric bed according to claim 3, characterized in that, the support shaft (9) is coaxially sleeved with a shaft sleeve (10), and the support shaft (9) passes through the shaft sleeve ( 10) Rotate and connect the support structure of the fixed base (7).

7. A detachable electric bed according to claim 3, characterized in that the fixing element is set as a hollow tube (702), and the support structure of the fixed base (7) is set as an L-shaped plate The L support plate (701), the horizontal part of the L support plate (701) is fixedly connected to the bed frame (2) and the hollow pipe (702), and the vertical plate part of the L support plate (701) is fixedly connected to the hollow pipe ( 702), the vertical plate portion of the L support plate (701) is rotatably connected with the support shaft (9) and is set as a rotatable support structure for the support shaft (9).

8 . The detachable electric bed according to claim 2 , wherein the bearing seat ( 8 ) and the driven rod ( 12 ) are parallel to each other as a whole. 9 .

9. A detachable electric bed according to any one of claims 1-8, wherein the bed frame (2) is a rectangular frame structure as a whole, which consists of a pair of longitudinal rods (2b) and a pair of transverse rods (2a), the longitudinal rods (2b) and the transverse rods (2a) are both horizontally extending pipe fittings, and the pair of longitudinal rods (2b) constitute the two long sides of the bed frame (2). The transverse rod (2a) constitutes two short sides of the bed frame (2), the two ends of the transverse rod (2a) are detachably connected to the two longitudinal rods (2b) and are located between the two longitudinal rods (2b), and the bed feet are removed after removing the bed feet. (3) The bottom surface of the longitudinal rod (2b) is the bottom surface of the entire electric bed, and the top surface of the longitudinal rod (2b) supports the bed board (1).

10. A detachable electric bed according to claim 9, characterized in that, positioning plates (22) are fixed at both ends of the transverse rod (2a), and two inner sides of each longitudinal rod (2b) are fixed with positioning plates (22). The end positions are fixedly connected with a fixed seat, and the two positioning plates (22) of each horizontal rod (2a) are respectively facing the fixed seat on the same side of the two longitudinal rods (2b); each fixed seat is fixedly inserted with a pair of cards a pin (21), the positioning plate (22) is provided with a pair of bayonet openings (22a) facing downward, each positioning plate (22) is fitted and locked with the corresponding fixing seat, and the two locking The pins (21) are respectively inserted into the two bayonet openings (22a) of each positioning plate (22) to hold the positioning plate (22).