CN216020159U

CN216020159U - Knee board elevation structure for bed

Info

Publication number: CN216020159U
Application number: CN202122575593.2U
Authority: CN
Inventors: 王召伟; 盖后磊
Original assignee: Anhui Jinbaihe Medical Equipment Co ltd
Current assignee: Anhui Jinbaihe Medical Equipment Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-15
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a knee plate lifting structure for a bed, which comprises two bed frames and a knee plate, wherein a waist plate is arranged between the left ends of the top surfaces of the two bed frames, the two ends of the bottom surface of the waist plate are fixedly connected with the two bed frames respectively, a pair of first hinged frames are fixedly arranged on the bottom surface of the waist plate, the right ends of the two first hinged frames are movably hinged with the inner sides of the two bed frames respectively through hinge pins, the knee plate is arranged on the right side of the waist plate, a pair of second hinged frames are fixedly arranged on the bottom surface of the knee plate, the two second hinged frames are arranged between the two first hinged frames, the left end of each second hinged frame is movably hinged with the hinge pins, the right end of each second hinged frame is movably hinged with a fourth hinged frame, the top surfaces of the two fourth hinged frames are provided with the foot plate and fixedly connected with the foot plate, and a lifting assembly is arranged between the two second hinged frames and the foot plate. The knee plate lifting device is convenient for lifting adjustment operation of the knee plate and supporting operation of the foot plate, is simple to operate and has certain anti-clamping performance.

Description

Knee board elevation structure for bed

Technical Field

The utility model relates to the technical field of bedding articles, in particular to a knee plate lifting structure for a bed.

Background

Bed, first-level Chinese, is the earliest seen in golden language. The bed is a common furniture for sleeping, and is a bed-shaped object such as a river bed, a seedbed, a machine tool and the like. It is extended from bed to be quantitative terms, such as a sheet and a pair, such as a bed quilt.

Knee plate adjusting structure for bed on the market has inconvenient carry out the lift adjustment operation to it, has the risk of being pressed from both sides simultaneously, and then has reduced the device's practicality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a knee plate lifting structure for a bed, which aims to solve the technical problems.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a knee plate lifting structure for a bed comprises two bed frames and a knee plate, wherein the two bed frames are symmetrically arranged, a waist plate is arranged between the left ends of the top surfaces of the two bed frames, the two ends of the bottom surface of the waist plate are respectively fixedly connected with the two bed frames, the bottom surface of the waist plate is fixedly provided with a pair of symmetrical first hinged brackets, the right ends of the two first hinged brackets are respectively movably hinged with the inner sides of the two bed frames through pin shafts, the knee board is arranged on the right side of the waist board, a pair of symmetrical second hinged frames is fixedly arranged on the bottom surface of the knee board, the second hinged frames are arranged between the two first hinged frames, each second hinged frame is movably hinged with a pin shaft at the left end, each second hinged frame is movably hinged with a fourth hinged frame at the right end, the top surface of the fourth hinged frame is provided with a foot board and fixedly connected with the foot board, and a lifting assembly is arranged between the second hinged frame and the foot board.

Preferably, both ends of the bottom of each bed frame are provided with supporting side plates, and the top surface of each supporting side plate is fixedly connected with the bottom surface of the bed frame.

Preferably, a fixing rod is arranged below the waist plate, two ends of the fixing rod are fixedly connected with the two bed frames respectively, and the bottom surface of the left end of each first hinged frame is connected with the fixing rod in a clamping manner.

Preferably, a hinge main shaft is arranged below the knee plate, two ends of the hinge main shaft are fixedly connected with the inner sides of the two bed frames respectively, and two limiting lug seats are mounted on the hinge main shaft.

Preferably, the lifting assembly comprises a connecting beam and a pair of third hinged frames, the connecting beam is arranged between the right ends of the two bed frames and fixedly connected with the two bed frames, hinged seats are fixedly arranged in the middle of the left side of the connecting beam, telescopic cylinders are movably hinged to the left ends of the hinged seats, one end of each third hinged frame is movably connected with the bottom end of the corresponding second hinged frame, the other ends of the two third hinged frames are movably hinged to the corresponding bed frames, a hinged beam is arranged between the right ends of the two third hinged frames, two ends of each hinged beam are fixedly connected with the two third hinged frames respectively, lifting blocks are fixedly arranged in the middle of the bottom surfaces of the hinged beams, and the end portions of the telescopic ends of the telescopic cylinders are movably hinged to the lifting blocks.

Preferably, a pair of symmetrical supporting beams is arranged between the two fourth hinged frames, the top surface of each supporting beam is fixedly connected with the bottom surface of the foot plate, a supporting rod seat is fixedly arranged at the right end of the top surface of each bedstead, a second supporting rod is arranged between the two supporting rod seats, two ends of each second supporting rod are clamped and tightly abutted with the two supporting rod seats, first supporting rods are fixedly arranged at two ends of the top surface of each second supporting rod, and the top ends of the first supporting rods are movably hinged with the corresponding supporting beams.

Preferably, two all set firmly a pair of symmetrical channel-section steel short slab on the side that the bedstead deviates from mutually, every is every all be provided with the channel-section steel long slab between the one end that the corresponding bedstead was kept away from to the channel-section steel short slab, every channel-section steel long slab all with every to the channel-section steel short slab rigid coupling that corresponds.

The utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the lifting assembly, under the power output of the telescopic cylinder, the lifting block is driven to lift, and then the hinged beam and the third hinged frame are driven to lift, so that the second hinged frame is driven to lift, and the knee plate and the foot plate are conveniently driven to lift;

2. according to the utility model, the first support rod is pulled manually to drive the second support rod to move along the support rod seat, so that the second support rod is driven to be clamped in the clamping groove at the tail end of the support rod seat in a sliding manner, and the foot plate is conveniently supported and fixed when being lifted;

3. according to the utility model, through the arrangement of the hinge main shaft, the connection stability between the two bottom frames can be increased, and meanwhile, through the arrangement of the two limiting lug seats on the hinge main shaft, when the knee plate is folded and lifted, a good limiting effect can be achieved, so that the personnel can be prevented from being clamped;

4. according to the utility model, through the mode that the knee plate is not fixedly connected with the telescopic cylinder, if the knee plate is clamped in the descending process, personnel and a bed body cannot be injured, and the structure plays a role in preventing clamping.

Drawings

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

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

FIG. 3 is a schematic view of the structure of FIG. 2 taken along line A-A in accordance with the present invention;

reference numerals: 1. a bed frame; 2. a waist panel; 3. knee plates; 4. a foot plate; 5. a hinged beam; 6. a telescopic cylinder; 7. a first support bar; 8. supporting the side plates; 9. a short channel steel plate; 10. a channel steel long plate; 11. a first hinge frame; 12. a second hinge frame; 13. a hinge main shaft; 14. a third hinge frame; 15. a support beam; 16. a hinged seat; 17. a second support bar; 18. a support rod seat; 19. a connecting beam; 20. fixing the rod; 21. a fourth hinge frame; 22. limiting lug seats.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Examples

As shown in figures 1-3, a knee plate lifting structure for bed comprises two bed frames 1 and a knee plate 3, wherein two ends of the bottom of each bed frame 1 are provided with supporting side plates 8, and the top surface of each supporting side plate 8 is fixedly connected with the bottom surface of the bed frame 1. Support the setting of curb plate 8, the stability of the integrated device has been increased, two bedstead 1 set up for the symmetry, be provided with waist board 2 between the top surface left end of two bedstead 1, the bottom surface both ends of waist board 2 respectively with two bedstead 1 rigid couplings, the bottom surface of waist board 2 has set firmly the first articulated frame 11 of a pair of symmetry, the right-hand member of two first articulated frames 11 all is articulated with the inboard activity of two bedstead 1 respectively through the round pin axle, the below of waist board 2 is provided with dead lever 20, the both ends of dead lever 20 respectively with two bedstead 1 rigid couplings, the left end bottom surface of every first articulated frame 11 all is connected with dead lever 20 block. The knee board 3 is arranged on the right side of the waist board 2, a pair of symmetrical second hinged frames 12 is fixedly arranged on the bottom surface of the knee board 3, the two second hinged frames 12 are arranged between the two first hinged frames 11, the left end of each second hinged frame 12 is movably hinged with a pin shaft, the right end of each second hinged frame 12 is movably hinged with a fourth hinged frame 21, the top surfaces of the two fourth hinged frames 21 are provided with foot boards 4 and fixedly connected with the foot boards 4, and lifting components are arranged between the two second hinged frames 12 and the foot boards 4.

A hinge spindle 13 is arranged below the knee plate 3, two ends of the hinge spindle 13 are respectively fixedly connected with the inner sides of the two bed frames 1, and two limit lug seats 22 are arranged on the hinge spindle 13. Through the setting of articulated main shaft 13, not only can increase the stability of connecting between two chassis 1, simultaneously through installing two spacing ear seats 22 on articulated main shaft 13, when folding the lift to knee plate 3, can play good limiting displacement to be favorable to preventing that personnel from being pressed from both sides.

The lifting assembly comprises a connecting beam 19 and a pair of third hinged frames 14, the connecting beam 19 is arranged between the right ends of the two bed frames 1 and fixedly connected with the two bed frames 1, a hinged seat 16 is fixedly arranged in the middle of the left side of the connecting beam 19, a telescopic cylinder 6 is movably hinged to the left end of the hinged seat 16, the type of the telescopic cylinder 6 is LSH6000, the telescopic cylinder 6 is electrically connected with an external power supply through a power line, one end of each third hinged frame 14 is movably connected with the bottom end of the corresponding second hinged frame 12, the other ends of the two third hinged frames 14 are movably hinged to the corresponding bed frames 1, a hinged beam 5 is arranged between the right ends of the two third hinged frames 14, two ends of the hinged beam 5 are fixedly connected with the two third hinged frames 14 respectively, a lifting block is fixedly arranged in the middle of the bottom surface of the hinged beam 5, and the end part of the telescopic end of the telescopic cylinder 6 is movably hinged to the lifting block.

A pair of symmetrical supporting beams 15 is arranged between the two fourth hinged frames 21, the top surface of each supporting beam 15 is fixedly connected with the bottom surface of the foot plate 4, a supporting rod seat 18 is fixedly arranged at the right end of the top surface of each bedstead 1, a second supporting rod 17 is arranged between the two supporting rod seats 18, the two ends of each second supporting rod 17 are clamped and tightly abutted with the two supporting rod seats 18, first supporting rods 7 are fixedly arranged at the two ends of the top surface of each second supporting rod 17, and the top end of each first supporting rod 7 is movably hinged with the corresponding supporting beam 15.

All set firmly the channel-section steel short slab 9 of a pair of symmetry on the side that two bedstead 1 deviate from mutually, all be provided with channel-section steel long slab 10 between the one end of every channel-section steel short slab 9 keep away from corresponding bedstead 1, every channel-section steel long slab 10 all with corresponding every to channel-section steel short slab 9 rigid coupling.

The working principle is as follows: firstly, electrically connecting the telescopic cylinder 6 with an external power supply through a power line;

secondly, when the bed needs to be unfolded, the telescopic cylinder 6 is started, the end part of the telescopic end of the telescopic cylinder 6 is driven to perform telescopic operation under the power output of the telescopic cylinder 6, and then the lifting block is driven to lift, so that the hinged beam 5 is driven to perform lifting operation, because the hinged beam 5 is arranged between the right ends of the two third hinged frames 14, the two ends of the hinged beam 5 are respectively and fixedly connected with the two third hinged frames 14, when the hinged beam 5 lifts, the third hinged frames 14 are driven to perform movable hinging along the two bed frames 1, and then the second hinged frame 12 is driven to perform movable hinging operation along the pin shaft and the fourth hinged frame 21, so as to drive the knee plate 3 to lift, and simultaneously, the first support rod 7 is pulled backwards manually to drive the second support rod 17 to move along the support rod seat 18, and further drive the second support rod 17 to be slidably clamped in the clamping groove at the tail end of the support rod seat 18, thereby facilitating the supporting and fixing operation of the rising of the foot plate 4;

finally, when the bed needs to be retracted, the first support rod 7 is pulled manually to drive the second support rod 17 to leave the clamping groove at the tail end of the support rod seat 18, the foot plate 4 is driven to descend under the self gravity of the foot plate 4, the telescopic cylinder 6 is started, the end part of the telescopic end of the telescopic cylinder 6 is driven to contract under the power output of the telescopic cylinder 6, and then the lifting block is driven to descend, so that the hinged beam 5 and the two third hinged frames 14 are driven to descend, meanwhile, under the hinged operation, the two third hinged frames 14 are driven to perform movable hinged operation along the two bed frames 1, the two second hinged frames 12 are movably hinged along the pin shaft and the fourth hinged frame 21, and meanwhile, under the self gravity of the knee plate 3, the bed is convenient to retract.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a knee board elevation structure is used to bed, includes two bedstead (1), knee board (3), its characterized in that: the two bed frames (1) are symmetrically arranged, a waist plate (2) is arranged between the left ends of the top surfaces of the two bed frames (1), the two ends of the bottom surface of the waist plate (2) are fixedly connected with the two bed frames (1) respectively, a pair of symmetrical first hinged frames (11) is fixedly arranged on the bottom surface of the waist plate (2), the right ends of the two first hinged frames (11) are movably hinged with the inner sides of the two bed frames (1) respectively through hinge pins, the knee plate (3) is arranged on the right side of the waist plate (2), a pair of symmetrical second hinged frames (12) is fixedly arranged on the bottom surface of the knee plate (3), the two second hinged frames (12) are arranged between the two first hinged frames (11), the left end of each second hinged frame (12) is movably hinged with a hinge pin, and the right end of each second hinged frame (12) is movably hinged with a fourth hinged frame (21), the top surfaces of the two fourth hinged frames (21) are provided with foot plates (4) and fixedly connected with the foot plates (4), and lifting components are arranged between the two second hinged frames (12) and the foot plates (4).

2. The knee plate lifting structure for bed as claimed in claim 1, wherein: two ends of the bottom of each bedstead (1) are provided with supporting side plates (8), and the top surface of each supporting side plate (8) is fixedly connected with the bottom surface of each bedstead (1).

3. The knee plate lifting structure for bed as claimed in claim 1, wherein: the lower part of the waist board (2) is provided with a fixed rod (20), two ends of the fixed rod (20) are fixedly connected with the two bed frames (1) respectively, and the bottom surface of the left end of each first hinged frame (11) is connected with the fixed rod (20) in a clamping manner.

4. The knee plate lifting structure for bed as claimed in claim 1, wherein: the knee plate is characterized in that a hinged main shaft (13) is arranged below the knee plate (3), two ends of the hinged main shaft (13) are fixedly connected with the inner sides of the two bedstead (1) respectively, and two limiting lug seats (22) are mounted on the hinged main shaft (13).

5. The knee plate lifting structure for bed as claimed in claim 1, wherein: the lifting component comprises a connecting beam (19) and a pair of third hinged brackets (14), the connecting beam (19) is arranged between the right ends of the two bed frames (1) and is fixedly connected with the two bed frames (1), the middle part of the left side of the connecting beam (19) is fixedly provided with a hinged seat (16), the left end of the hinged seat (16) is movably hinged with a telescopic cylinder (6), one end of each third hinged frame (14) is movably connected with the bottom end of the corresponding second hinged frame (12), the other ends of the two third hinged frames (14) are movably hinged with the corresponding bed frame (1), a hinged beam (5) is arranged between the right ends of the two third hinged frames (14), two ends of the hinged beam (5) are respectively fixedly connected with two third hinged brackets (14), the middle part of the bottom surface of the hinged beam (5) is fixedly provided with a lifting block, and the end part of the telescopic end of the telescopic cylinder (6) is movably hinged with the lifting block.

6. The knee plate lifting structure for bed as claimed in claim 1, wherein: a pair of symmetrical supporting beams (15) is arranged between the two fourth hinged frames (21), the top surface of each supporting beam (15) is fixedly connected with the bottom surface of the foot plate (4), a supporting rod seat (18) is fixedly arranged at the right end of the top surface of the bedstead (1), a second supporting rod (17) is arranged between the two supporting rod seats (18), the two ends of the second supporting rod (17) are clamped and tightly abutted against the two supporting rod seats (18), first supporting rods (7) are fixedly arranged at the two ends of the top surface of the second supporting rod (17), and the top ends of the first supporting rods (7) are movably hinged with the corresponding supporting beams (15).

7. The knee plate lifting structure for bed as claimed in claim 1, wherein: two all set firmly a pair of symmetrical channel-section steel short slab (9) on the side that bedstead (1) deviates from mutually, every is every to all be provided with channel-section steel long slab (10) between the one end that corresponding bedstead (1) was kept away from to channel-section steel short slab (9), every channel-section steel long slab (10) all with every to channel-section steel short slab (9) rigid coupling that corresponds.