CN220898331U - Electric bed with hidden steel wire rope transmission driving structure - Google Patents

Electric bed with hidden steel wire rope transmission driving structure Download PDF

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Publication number
CN220898331U
CN220898331U CN202322483329.5U CN202322483329U CN220898331U CN 220898331 U CN220898331 U CN 220898331U CN 202322483329 U CN202322483329 U CN 202322483329U CN 220898331 U CN220898331 U CN 220898331U
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China
Prior art keywords
bed
wire rope
steel wire
connecting rod
bed board
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CN202322483329.5U
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Chinese (zh)
Inventor
刘永红
林智文
韩东岳
涂振民
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Institute Of Industrial Design And Machine Intelligence Innovation Quanzhou Hunan University
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Institute Of Industrial Design And Machine Intelligence Innovation Quanzhou Hunan University
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Abstract

An electric bed with a hidden steel wire rope transmission driving structure relates to the field of electric beds, and comprises a bed plate, a bed frame and a turnover mechanism, wherein the bed plate is rotatably arranged on the bed frame; the bed frame comprises a longitudinal pipe arranged along the length direction of the bed plate and a transverse pipe formed along the width direction of the bed plate; the turnover mechanism is arranged in the bed frame and connected with the bed board to drive the bed board to turn over, and comprises a rotary connecting rod, a steel wire rope and a reversing assembly, wherein the rotary connecting rod is rotatably arranged on the bed frame along the rotation direction of the bed board to push the bed board to rotate; the steel wire rope is connected between the rotary connecting rod and the driving device; the reversing component is arranged at the joint of the transverse pipe and the longitudinal pipe to transmit driving force, and the electric push rod driving structure of the traditional intelligent bed is changed into a steel wire rope driving mode and hidden in the bed body frame, so that the whole structure is more concise and attractive, and the structural safety is improved; simultaneously, make the whole of bearing frame avoid appearing receiving the curved structure of buckling, can reduce weight and reduce cost.

Description

Electric bed with hidden steel wire rope transmission driving structure
Technical Field
The utility model belongs to the field of electric beds, and particularly relates to an electric bed with a hidden steel wire rope transmission driving structure.
Background
With the gradual improvement of the living standard of people, people are increasingly concerned about sleep quality. Thus, electric beds driven by driving devices such as motors have been rapidly developed, and as technology advances and material levels increase, the use requirements of people on "beds" are not limited to "lying" use, but also include various use ways such as physiotherapy and leisure. Therefore, in order to meet the different use situations of the "bed" of the user, the "bed" needs to have a more intelligent structure scene, so as to ensure the comfort of the user in different use situations.
The existing intelligent electric bed generally comprises a fixed bed plate and a movable bed plate, a beam of the bed is pushed by an electric driving device with high thrust, the thrust of the electric driving device is converted into torsion force of the beam, and then the movable bed plate is driven to overturn, so that the aim of changing the structural angle of the bed body is fulfilled. The structure has the problems that the driving structure is exposed outside and is not attractive and safe, the bed body frame is stressed greatly, the whole bed has large weight, the cost is high and the like, and the structure needs to be improved.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides an electric bed with a hidden steel wire rope transmission driving structure.
The utility model adopts the following technical scheme:
An electric bed with a hidden steel wire rope transmission driving structure comprises a bed board, a bed frame and a turnover mechanism,
The bed board is rotatably arranged on the bed frame;
The bed frame comprises a longitudinal pipe arranged along the length direction of the bed plate and a transverse pipe formed along the width direction of the bed plate;
The turnover mechanism is arranged in the bed frame and connected with the bed board to drive the bed board to turn over, and comprises a rotary connecting rod, a steel wire rope and a reversing assembly, wherein the rotary connecting rod is rotatably arranged in the bed frame along the rotation direction of the bed board, and the top surface of the rotary connecting rod is contacted with the bed board to push the bed board to rotate; one end of the steel wire rope is arranged in the transverse pipe and is connected with the rotary connecting rod to drive the rotary connecting rod to rotate, and the other end of the steel wire rope extends into the longitudinal pipe through the transverse pipe and is connected with the driving device arranged in the longitudinal pipe to drive the steel wire rope to stretch and retract so as to drive the rotary connecting rod to rotate; the reversing assembly is arranged at the joint of the transverse pipe and the longitudinal pipe, and the steel wire rope is arranged on the reversing assembly to transmit driving force.
Preferably, the two turnover mechanisms are arranged, are respectively positioned in the transverse pipes at the front end and the rear end of the bed frame and are opposite to the two ends of the bed board, and the steel wire ropes of the two turnover mechanisms extend into the longitudinal pipes along the transverse pipes and are connected with the same driving device.
Preferably, the reversing assembly comprises a first fixed pulley and a second fixed pulley, wherein the first fixed pulley is arranged in the longitudinal pipe, and the rotating axial direction of the first fixed pulley is perpendicular to the extending direction of the steel wire rope; the second fixed pulley is arranged in the transverse pipe and is positioned above the first fixed pulley to receive the steel wire rope and change the extending direction.
Preferably, the turnover mechanism further comprises a roller, and the roller is rotatably arranged at the top of the rotary connecting rod and can be in sliding connection with the bottom surface of the bed board.
Preferably, the turnover mechanism further comprises a movable pulley and a lock catch, wherein the movable pulley is rotatably arranged on the rotary connecting rod, and a containing groove capable of containing the movable pulley is formed in the rotary connecting rod; the lock catch is fixedly arranged in the transverse tube and close to the second fixed pulley, and the steel wire rope winds the movable pulley through the second fixed pulley and extends backwards to the lock catch to be fixed.
Preferably, the bottom surface of the bed board is also provided with limiting plates, two pairs of limiting plates are arranged, limiting spaces for embedding the transverse pipes are formed in the two pairs of limiting plates, and the bed board is arranged on the bed frame through the matching of the limiting spaces and the rotary connecting rods.
Preferably, a plurality of first shaft holes are formed in one side of the bed plate, second shaft holes corresponding to the first shaft holes one by one are formed in the bed frame, the bed plate is connected with the bed frame through rotating shafts penetrating through the first shaft holes and the second shaft holes in sequence, and the rotating direction of the rotating connecting rod is consistent with the rotating direction of the bed plate around the rotating shafts
As can be seen from the above description of the present utility model, compared with the prior art, the present utility model has the following beneficial effects: the steel wire rope drives the rotary connecting rod to rotate so as to rotate the bed board along the rotation direction of the rotary connecting rod, and the electric push rod driving structure of the traditional intelligent bed is changed into a steel wire rope driving mode and hidden in the bed body frame, so that the whole structure is more concise and attractive, and the structural safety is improved; meanwhile, the whole bearing frame is prevented from being bent and twisted, so that the weight and the cost can be reduced;
the turnover mechanisms are respectively positioned at two sides of the bed board, so that the stability of the electric bed during turnover can be further improved;
The reversing assembly can smoothly reverse the steel wire rope, and damage to the electric bed caused by friction between forced reversing and the bed frame is avoided;
the roller wheels arranged on the rotary connecting rods can reduce friction between the rotary connecting rods and the bed plate, and the service life of the electric bed is prolonged;
The limiting plate can limit the relative position of the bed plate, so that the bed plate is prevented from deviating from the original position in long-term overturning, and the stability of the electric bed is improved.
Drawings
FIG. 1 is a schematic view of the structure of the electric bed of the present utility model;
FIG. 2 is a schematic diagram of a driving apparatus according to the present utility model;
FIG. 3 is a schematic diagram of a driving device according to a second embodiment of the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is a partial enlarged view at B in FIG. 3;
FIG. 6 is a schematic view of the structure of the bed board and the bed frame of the present utility model;
FIG. 7 is a schematic view of a single-sided frame of the present utility model;
FIG. 8 is a schematic diagram of a turnover mechanism according to the present utility model;
FIG. 9 is a second schematic structural view of the turnover mechanism of the present utility model;
In the figure: 1-mount, 11-mounting groove, 2-bi-directional screw rod, 21-rod body, 22-external screw thread, 23-rotating part, 3-driving motor, 4-traction mechanism, 41-traction block, 42-wire rope, 5-transmission mechanism, 51-worm, 52-worm wheel, 6-limit mechanism, 61-limit block, 62-screw rod hole, 63-micro switch, 64-communication hole, 65-oil filler hole, 7-bed board, 71-limit plate, 72-first shaft hole, 73-rotation shaft, 8-bed frame, 81-auxiliary wheel, 82-longitudinal pipe, 83-transverse pipe, 84-second shaft hole, 9-turnover mechanism, 91-rotation connecting rod, 92-turnover assembly, 921-first fixed pulley, 922-second fixed pulley, 93-roller, 94-movable pulley, 95-lock catch and 96-accommodation groove.
Detailed Description
The utility model is further described below by means of specific embodiments.
Referring to fig. 1 to 9, an electric bed comprises a mounting seat 1, a bidirectional screw rod 2, a driving motor 3, a traction mechanism 4, a transmission mechanism 5, a limiting mechanism 6, a bed plate 7, a bed frame 8 and a turnover mechanism 9.
The mounting seat 1 is provided with a mounting groove 11 for mounting the bidirectional screw rod 2.
The bidirectional screw rod 2 is rotatably arranged in the mounting seat 1 and comprises a rod body 21, external threads 22 and a rotating part 23, wherein the rod body 21 is integrally formed; external threads 22 are formed on the surface of the rod body 21 along opposite directions from two ends of the rod body 21, and the rotation directions of the two sections of external threads 22 are opposite; the rotating part 23 is positioned at the joint of the two sections of external threads 22, the rod body 21 is rotatably arranged in the mounting groove 11 of the mounting seat 1 through the rotating part 23, and a bearing matched with the rotating part 23 is arranged in the mounting groove 11.
The driving motor 3 is arranged on the mounting seat 1 and is connected with the bidirectional screw rod 2 to drive the bidirectional screw rod to rotate.
The two traction mechanisms 4 are respectively arranged on two external threads 22 of the bidirectional screw rod 2 and can synchronously move in opposite directions or in opposite directions along with the rotation of the bidirectional screw rod 2, and comprise traction blocks 41 and steel wire ropes 42, wherein the traction blocks 41 can be arranged on the bidirectional screw rod 2 in a back-and-forth movement manner; one end of the steel wire rope 42 is connected with the traction block 41, and the other end of the steel wire rope extends outwards along the moving direction of the traction block 41 and is connected with a structure required to be drawn. Specifically, the device comprises a shell arranged on the outer side of the bidirectional screw rod 2, wherein a sliding channel for the traction block 41 to move is formed in the shell, the shape of the sliding channel is matched with that of the traction block 41, and the traction block 41 can be limited to move horizontally in the shell along with the rotation of the bidirectional screw rod 2.
The transmission mechanism 5 is arranged between the driving motor 3 and the bidirectional screw rod 2 to transmit the torque output by the driving motor 3, the transmission mechanism 5 comprises a worm 51 and a worm wheel 52, the worm 51 is arranged on the driving motor 3, and is connected with the output end of the driving motor 3 and rotates along with the output end of the driving motor 3; the worm wheel 52 is formed on the rotating part 23 and is matched with the worm 51, and the worm 51 drives the worm wheel 52 to rotate so as to drive the bidirectional screw rod 2 to rotate.
The limiting mechanisms 6 are arranged at two ends of the bidirectional screw rod 2. The limiting mechanism 6 comprises a limiting block 61, a screw rod hole 62, a micro switch 63 and a controller, wherein the limiting block 61 is fixedly arranged at two ends of the bidirectional screw rod 2; the screw rod hole 62 is formed on the limiting block 61, and the bidirectional screw rod 2 is rotatably arranged in the screw rod hole 62; the microswitch 63 is arranged on the limiting block 61 and is opposite to the traction block 41; the controller is connected with the micro-gap switch 63 and the driving motor 3 respectively and controls the driving motor 3 to work, two ends of the bidirectional screw rod 2 are arranged in the screw rod holes 62 to improve the rotating stability of the bidirectional screw rod 2, and when the traction block 41 moves and gradually approaches the limiting block 61 to contact the micro-gap switch 63, the controller controls the driving motor 3 to stop according to the signal fed back by the micro-gap switch 63, so that the limiting block 61 is prevented from impacting the limiting block 61 for a long time to influence the service life of the device. Specifically, the limiting mechanism 6 further comprises a communication hole 64 formed on the limiting block 61 and allowing the steel wire rope 42 to pass through, and an oil filling hole 65 formed from the top of the limiting block 61 in a downward sinking mode and communicated with the communication hole 64 at the bottom, the steel wire rope 42 passes through the communication hole 64, so that the pulling stability of the steel wire rope 42 can be improved, shaking is avoided, a lubricating effect can be provided for the steel wire rope 42 through the oil filling hole 65, and the pulling stability is further improved.
The bed board 7 is connected with a turnover mechanism 9, and the bed board 7 can be driven to turn over by the turnover mechanism. The bedstead 8 is arranged at the bottom of the bed board 7, the driving device is arranged in the bedstead 8, assembly can be completed when leaving the factory, the driving device is arranged on the electric bed bedstead 8, the driving device can be packaged and transported simultaneously along with an electric vehicle, secondary installation at a customer is not needed, the driving device is extremely convenient, and the driving device is hidden in the bedstead 8, so that the attractiveness can be improved. The turnover mechanism 9 is connected with steel wire ropes 42 at two ends of the driving device, and the turnover mechanism 9 is driven to work by the steel wire ropes. Specifically, the bed frame 8 and the shell are of the same structure, the bed frame 8 is also provided with an auxiliary wheel 81, the height of the auxiliary wheel 81 is the same as the connection point of the steel wire rope 42 and the traction block 41, and the steel wire rope 42 is horizontally erected on the auxiliary wheel 81 along the length direction of the bidirectional screw rod 2.
The bed board 7 is rotatably arranged on the bed frame 8; the bed frame 8 comprises a longitudinal pipe 82 arranged along the length direction of the bed plate 7 and a transverse pipe 83 formed along the width direction of the bed plate 7, the bottom surface of the bed plate 7 is also provided with limiting plates 71, two pairs of limiting plates 71 are arranged, and a limiting space for embedding the transverse pipe 83 is formed in the two pairs of limiting plates 71. A plurality of first shaft holes 72 are formed in one side of the bed plate 7, second shaft holes 84 corresponding to the first shaft holes 72 one by one are formed in the bed frame 8, and the bed plate 7 is connected with the bed frame 8 by sequentially penetrating through the first shaft holes 72 and the rotating shafts 73 of the second shaft holes 84.
The turnover mechanism 9 is arranged in the bed frame 8 and is connected with the bed plate 7 to drive the bed plate 7 to turn, the turnover mechanism 9 comprises a rotary connecting rod 91 and a reversing assembly 92, the rotary connecting rod 91 is rotatably arranged in the bed frame 8 along the rotation direction of the bed plate 7, the top surface of the rotary connecting rod 91 is contacted with the bed plate 7 to push the bed plate 7 to rotate, and the rotation direction of the rotary connecting rod 91 is consistent with the rotation direction of the bed plate 7 around the rotation shaft 73; one end of the steel wire rope 42 is arranged in the transverse pipe 83 and is connected with the rotary connecting rod 91 to drive the rotary connecting rod 91 to rotate, and the other end of the steel wire rope extends into the longitudinal pipe 82 through the transverse pipe 83 and is connected with the traction block 41 arranged in the longitudinal pipe 82 to drive the steel wire rope 42 to stretch and retract so as to drive the rotary connecting rod 91 to rotate; the reversing assembly 92 is arranged at the joint of the transverse pipe 83 and the longitudinal pipe 82, the steel wire rope 42 is arranged on the reversing assembly 92 to transmit driving force, the steel wire rope 42 drives the rotary connecting rod 91 to rotate so as to rotate the bed plate 7 along the rotation direction of the rotary connecting rod 91, and the electric push rod driving structure of the traditional intelligent bed is changed into a steel wire rope 42 driving mode and hidden in the bed body frame, so that the whole structure is more concise and attractive, and the structural safety is improved; simultaneously, make the whole of bearing frame avoid appearing receiving the curved structure of buckling, can reduce weight and reduce cost. Specifically, two turnover mechanisms 9 are provided, and are respectively located in transverse pipes 83 at the front end and the rear end of the bed frame 8 and opposite to the two ends of the bed board 7, and steel wire ropes 42 of the two turnover mechanisms 9 extend into the longitudinal pipes 82 along the transverse pipes 83 to be connected with the two traction mechanisms 4, and the turnover mechanisms 9 are respectively located at the two sides of the bed board 7, so that the stability of the electric bed during turnover can be further improved. Further, the turnover mechanism 9 further comprises a roller 93, the roller 93 is rotatably arranged at the top of the rotary connecting rod 91 and can be slidably connected with the bottom surface of the bed plate 7, and friction force between the rotary connecting rod 91 and the bed plate 7 is reduced.
The reversing assembly 92 comprises a first fixed pulley 921 and a second fixed pulley 922, the first fixed pulley 921 being arranged in the longitudinal tube 82 with the rotational axis perpendicular to the direction of extension of the wire rope 42; the second fixed pulley 922 is arranged in the transverse pipe 83 and is positioned above the first fixed pulley 921 to receive the steel wire rope 42 and change the extending direction, and the reversing component 92 can smoothly reverse the steel wire rope 42, so that the electric bed is prevented from being damaged due to friction between forced reversing and the bed frame 8. Specifically, the turnover mechanism 9 further includes a movable pulley 94 and a lock catch 95, the movable pulley 94 is rotatably disposed on the rotary link 91, and a receiving groove 96 capable of receiving the movable pulley 94 is formed in the rotary link 91; a lock catch 95 is fixedly arranged in the transverse tube 83 near the second fixed pulley 922, and the wire rope 42 is wound around the movable pulley 94 via the second fixed pulley 922 and extends backwards to the lock catch 95 for fixation.
The bidirectional screw rod 2 is integrally formed, can be machined and formed once, has short machining time, can realize simultaneous output in two directions only by being connected with one motor, greatly reduces the weight of the device, reduces the production cost, realizes bidirectional output through the traction mechanisms 4 on two sides, and has high practicability. The electric push rod driving structure of the traditional intelligent bed is changed into a steel wire rope 42 driving mode and hidden in the bed body frame, so that the whole structure is more concise and attractive, and the structural safety is improved; simultaneously, make the whole of bearing frame avoid appearing receiving the curved structure of buckling, can reduce weight and reduce cost.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, i.e., the utility model is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the utility model.

Claims (7)

1. An electric bed with a hidden steel wire rope transmission driving structure is characterized in that: comprises a bed board, a bed frame and a turnover mechanism,
The bed board is rotatably arranged on the bed frame;
The bed frame comprises a longitudinal pipe arranged along the length direction of the bed plate and a transverse pipe formed along the width direction of the bed plate;
The turnover mechanism is arranged in the bed frame and connected with the bed board to drive the bed board to turn over, and comprises a rotary connecting rod, a steel wire rope and a reversing assembly, wherein the rotary connecting rod is rotatably arranged in the bed frame along the rotation direction of the bed board, and the top surface of the rotary connecting rod is contacted with the bed board to push the bed board to rotate; one end of the steel wire rope is arranged in the transverse pipe and is connected with the rotary connecting rod to drive the rotary connecting rod to rotate, and the other end of the steel wire rope extends into the longitudinal pipe through the transverse pipe and is connected with the driving device arranged in the longitudinal pipe to drive the steel wire rope to stretch and retract so as to drive the rotary connecting rod to rotate; the reversing assembly is arranged at the joint of the transverse pipe and the longitudinal pipe, and the steel wire rope is arranged on the reversing assembly to transmit driving force.
2. An electric bed with a concealed wire rope driven drive as claimed in claim 1 wherein: the two turnover mechanisms are arranged, are respectively positioned in the transverse pipes at the front end and the rear end of the bedstead and are opposite to the two ends of the bed board, and the steel wire ropes of the two turnover mechanisms extend into the longitudinal pipes along the transverse pipes and are connected with the same driving device.
3. An electric bed with a concealed wire rope driven drive as claimed in claim 1 wherein: the reversing assembly comprises a first fixed pulley and a second fixed pulley, the first fixed pulley is arranged in the longitudinal pipe, and the rotating axial direction of the first fixed pulley is perpendicular to the extending direction of the steel wire rope; the second fixed pulley is arranged in the transverse pipe and is positioned above the first fixed pulley to receive the steel wire rope and change the extending direction.
4. An electric bed with a concealed wire rope driven drive as claimed in claim 1 wherein: the turnover mechanism further comprises a roller, and the roller is rotatably arranged at the top of the rotary connecting rod and can be in sliding connection with the bottom surface of the bed board.
5. An electric bed driven by a concealed wire rope transmission as claimed in claim 3, wherein: the turnover mechanism further comprises a movable pulley and a lock catch, wherein the movable pulley is rotatably arranged on the rotary connecting rod, and an accommodating groove capable of accommodating the movable pulley is formed in the rotary connecting rod; the lock catch is fixedly arranged in the transverse tube and close to the second fixed pulley, and the steel wire rope winds the movable pulley through the second fixed pulley and extends backwards to the lock catch to be fixed.
6. An electric bed with a concealed wire rope driven drive as claimed in claim 1 wherein: the bed board bottom surface still is provided with the limiting plate, and the limiting plate is provided with two pairs, and the shaping has in two pairs of limiting plates can supply the spacing space of horizontal pipe embedding, the bed board passes through spacing space and the cooperation setting of rotatory connecting rod on the bedstead.
7. An electric bed with a concealed wire rope driven drive as claimed in claim 1 wherein: the bed board is connected with the bed frame through a rotating shaft penetrating through the first shaft holes and the second shaft holes in sequence, and the rotating direction of the rotating connecting rod is consistent with the rotating direction of the bed board around the rotating shaft.
CN202322483329.5U 2023-09-13 2023-09-13 Electric bed with hidden steel wire rope transmission driving structure Active CN220898331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322483329.5U CN220898331U (en) 2023-09-13 2023-09-13 Electric bed with hidden steel wire rope transmission driving structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322483329.5U CN220898331U (en) 2023-09-13 2023-09-13 Electric bed with hidden steel wire rope transmission driving structure

Publications (1)

Publication Number Publication Date
CN220898331U true CN220898331U (en) 2024-05-07

Family

ID=90905800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322483329.5U Active CN220898331U (en) 2023-09-13 2023-09-13 Electric bed with hidden steel wire rope transmission driving structure

Country Status (1)

Country Link
CN (1) CN220898331U (en)

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