CN211485326U

CN211485326U - Bed body lifting structure

Info

Publication number: CN211485326U
Application number: CN201921299197.8U
Authority: CN
Inventors: 涓颁附; 丰丽
Original assignee: Caretek China Medical PLC
Current assignee: Caretek China Medical PLC
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-09-15
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a bed body elevation structure, which comprises a base frame, be equipped with two pairs of scissors lifting unit and connecting rod in the chassis, the both ends of connecting rod rotate the installation with two pairs of scissors lifting unit respectively, two pairs of scissors lifting unit pass through connecting block and main frame erection joint, install the bed board in the main frame, bed board bottom surface erection joint, bed board lift cylinder is installed to the main frame bottom surface, this bed board lift cylinder's actuating lever and two pairs of scissors lifting unit are connected, drive two synchronous lifts of two pairs of scissors lifting unit when bed board lift cylinder's actuating lever is released, drive two synchronous descends of two pairs of scissors lifting unit when bed board lift cylinder's actuating lever is withdrawed. The utility model discloses it is stable to go up and down, and the horizontal direction displacement is less, and the performance is higher.

Description

Bed body lifting structure

Technical Field

The utility model belongs to the technical field of the bed body technique and specifically relates to a mainly used elevation structure of bed bodies such as medical bed, sick bed, nursing bed.

Background

The electric lifting bed adopts an electric driving device to drive the bed body to lift so as to adjust the state of the bed body, thereby meeting the use requirements of users. The existing electric lifting bed generally comprises a bed frame and a bed panel arranged on the bed frame and used for a user to lie, and the bed panel is driven by a driving mechanism to lift along the vertical direction so as to adjust the overall height of the bed panel.

The existing electric lifting mechanism usually drives the support frame to vertically ascend or descend through the air cylinder, so that the bed board is lifted and lowered. Each leaning frame of the bed body is often pushed by a single air cylinder, a large number of air cylinders are needed, and the cost is relatively high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a bed lifting structure.

In order to solve the technical problem, the utility model discloses take following technical scheme:

the utility model provides a bed body elevation structure, which comprises an underframe, be equipped with two pair scissors lifting unit and connecting rod in the chassis, the both ends of connecting rod rotate the installation with two pair scissors lifting unit respectively, two scissors lifting unit pass through connecting block and main frame erection joint, install the bed board in the main frame, bed board bottom surface erection joint, bed board lift cylinder is installed to the main frame bottom surface, the actuating lever and the two scissors lifting unit of this bed board lift cylinder are connected, drive two pair scissors lifting unit synchronous rising when the actuating lever of bed board lift cylinder is released, drive two pair scissors lifting unit synchronous decline when the actuating lever of bed board lift cylinder is withdrawed.

Two scissors lifting unit include that the symmetry is established at two crank components of chassis inside wall, crank component includes first crank and second crank, first crank one end is installed on the chassis through the round pin axle rotation, the first crank other end is installed through round pin axle and second crank rotation, two crank's among two crank components lower extreme is connected through lower connecting rod, the pulley is installed at the both ends of lower connecting rod, the pulley activity card dress is at the chassis inside wall, two crank's in two crank components upper end is connected through last connecting rod, movable sleeve is equipped with the mounting panel on the last connecting rod, the connecting rod rotates the installation with the mounting panel, go up the connecting rod, lower connecting rod rotates the installation with the second crank respectively.

An air cylinder connecting rod is movably sleeved on the upper connecting rod in one of the double-shear components, and a pin shaft is inserted on the air cylinder connecting rod and is rotatably installed with a driving rod of the bed board lifting air cylinder.

The inside wall of chassis is equipped with the spout, and the pulley activity card is adorned in this spout.

The inner side wall of the bottom frame is fixedly provided with a mounting seat, and the first crank is rotatably mounted with the mounting seat through a pin shaft.

And the corner of the bottom surface of the bottom frame is provided with a roller assembly.

The bed board comprises a backrest board, a leg frame board and a foot frame board which are sequentially arranged, and one side of the backrest board, one side of the leg frame board and one side of the foot frame board are rotatably installed with the main frame through pin shafts respectively.

A backrest motor and a foot frame motor are installed in the main frame, a driving shaft of the backrest motor is installed on one side of the backrest plate, and a driving shaft of the foot frame motor is connected with one side of the foot frame plate.

The utility model discloses a two scissors lifting unit promote the stability of lift, and intensity is big simultaneously, and horizontal displacement is few, has improved the steadiness ability of the lift of the bed body.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the reduced structure of the present invention;

FIG. 3 is a schematic view of the assembly of the bed body of the present invention;

FIG. 4 is a schematic front view of FIG. 3;

fig. 5 is a rear view of fig. 3.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in the accompanying drawings 1-5, the utility model discloses a bed body elevation structure, including chassis 1, be equipped with two scissors lifting unit 3 and connecting rod 5 in the chassis 1, the both ends of connecting rod 5 rotate the installation with two scissors lifting unit 3 respectively, two scissors lifting unit 3 pass through connecting block and main frame 15 erection joint, install bed board 16 in the main frame 15, bed board lift cylinder 7 is installed to main frame 15 bottom surface, this bed board lift cylinder 7's actuating lever is connected with two scissors lifting unit 3, drive two scissors lifting unit synchronous rising when the actuating lever of bed board lift cylinder 7 is released, drive two scissors lifting unit synchronous decline when the actuating lever of bed board lift cylinder is withdrawed. Two double-scissors lifting components are driven to synchronously lift through an air cylinder.

The double-scissors lifting component 3 comprises two crank components symmetrically arranged on the inner side wall of the chassis, each crank component comprises a first crank 31 and a second crank 32, one end of each first crank 31 is rotatably arranged on the chassis 1 through a pin shaft, the other end of each first crank 31 is rotatably arranged with the corresponding second crank 32 through a pin shaft, the lower ends of the two second cranks in the two crank components are connected through a lower connecting rod 33, pulleys 8 are arranged at the two ends of the lower connecting rod 33, the pulleys 8 are movably clamped on the inner side wall of the chassis 1, the upper ends of the two second cranks 32 in the two crank components are connected through an upper connecting rod 34, a mounting plate 10 is movably sleeved on the upper connecting rod 34, a connecting rod 5 is rotatably arranged with the mounting plate 10, the mounting plate can rotate relative to the upper connecting rod, the upper connecting rod 34 and the lower. The inner side wall of the underframe 1 is provided with a sliding chute 9, and the pulley 8 is movably clamped in the sliding chute 9.

An air cylinder connecting rod 11 is movably sleeved on the upper connecting rod 34 in one of the double-shear components 3, and a pin shaft is inserted on the air cylinder connecting rod 11 and is rotatably installed with a driving rod of the air cylinder 7.

The inner side wall of the underframe 1 is fixed with a mounting seat 4, and the first crank 31 is rotatably mounted with the mounting seat 4 through a pin shaft.

The bed board 16 comprises a backrest board 12, a leg frame board 13 and a foot frame board 14 which are sequentially arranged, and one side of the backrest board, one side of the leg frame board and one side of the foot frame board are respectively rotatably installed with the main frame through pin shafts.

A backrest motor 18 and a foot frame motor 17 are installed in the main frame 15, a driving shaft of the backrest motor 18 is installed with one side of the backrest plate 12 which is not connected with the main frame, and a driving shaft of the foot frame motor 17 is connected with one side of the foot frame plate 14 which is not connected with the main frame. So that the lifting control of the height position of the back board and the foot frame board can be independently carried out.

In addition, a corresponding controller 19 can be arranged on the underframe 1 and connected with the bed board lifting cylinder, the backrest motor and the foot frame motor to control the respective running conditions.

The utility model discloses in, along the length mode of chassis, be equipped with two pair scissors lifting unit altogether, two pair scissors lifting unit pass through the connecting rod and connect. When the actuating lever of bed board lift cylinder withdraws, it rotates downwards to drive the cylinder connecting rod, the cylinder connecting rod rotates for last connecting rod, it rotates the change position to drive last connecting rod, further drive the crank connecting plate and rotate, the pulling second crank rotates downwards, it also follows the rotation downwards to drive first crank, utilize the slip of pulley in the spout, make first crank and second crank finally rotate completely to the below region, make two synchronous rotations of double shear sword lifting unit through the connecting rod, accomplish the reduction of position, utilize first crank and second crank can effectual reduction horizontal direction's displacement volume. When the driving rod of the cylinder extends out, the connecting rod of the cylinder is driven to rotate upwards, and the second crank are pushed to rotate upwards until the specified position is completely lifted. The lifting operation of the bed board is realized through the lifting and lowering actions of the double-shear lifting assembly in the rotating process.

It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited to the above, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bed body elevation structure, including the chassis, a serial communication port, be equipped with two pairs of scissors lifting unit and connecting rod in the chassis, the both ends of connecting rod rotate the installation with two pairs of scissors lifting unit respectively, two pairs of scissors lifting unit pass through connecting block and main frame erection joint, install the bed board in the main frame, bed board bottom surface erection joint, main frame bottom surface installs bed board lift cylinder, this bed board lift cylinder's actuating lever and two pairs of scissors lifting unit are connected, two pairs of scissors lifting unit synchronous rising are driven when bed board lift cylinder's actuating lever is released, two pairs of scissors lifting unit synchronous decline are driven when bed board lift cylinder's actuating lever is withdrawed.

2. The bed body lifting structure as claimed in claim 1, wherein the double scissors lifting assembly comprises two crank assemblies symmetrically arranged on the inner side wall of the bottom frame, each crank assembly comprises a first crank and a second crank, one end of the first crank is rotatably arranged on the bottom frame through a pin shaft, the other end of the first crank is rotatably arranged with the second crank through a pin shaft, the lower ends of the two second cranks of the two crank assemblies are connected through a lower connecting rod, pulleys are arranged at the two ends of the lower connecting rod, the pulleys are movably clamped on the inner side wall of the bottom frame, the upper ends of the two second cranks of the two crank assemblies are connected through an upper connecting rod, a mounting plate is movably sleeved on the upper connecting rod, the connecting rod is rotatably arranged with the mounting plate, and the upper connecting rod and the lower connecting rod are rotatably.

3. The bed lifting structure of claim 2, wherein the upper connecting rod of one of the double-shear assemblies is movably sleeved with a cylinder connecting rod, and the cylinder connecting rod is inserted with a pin shaft and rotatably mounted with a driving rod of the bed plate lifting cylinder.

4. The bed body lifting structure as claimed in claim 3, wherein the inner side wall of the bottom frame is provided with a sliding groove, and the pulley is movably clamped in the sliding groove.

5. The bed body lifting structure as claimed in claim 4, wherein a mounting seat is fixed to the inner side wall of the bottom frame, and the first crank is rotatably mounted to the mounting seat through a pin shaft.

6. The bed lifting structure as claimed in claim 5, wherein the bottom surface of the bottom frame is provided with a roller assembly at its corner.

7. The bed lifting structure as claimed in claim 6, wherein the bed board comprises a back board, a leg frame board and a foot frame board arranged in sequence, and one side of the back board, the leg frame board and the foot frame board is rotatably mounted with the main frame through a pin shaft respectively.

8. The bed lifting structure as claimed in claim 7, wherein a backrest motor and a foot frame motor are installed in the main frame, a driving shaft of the backrest motor is installed on one side of the backrest plate, and a driving shaft of the foot frame motor is connected with one side of the foot frame plate.