CN216754827U

CN216754827U - Liftable ultralow medical bed of high stability

Info

Publication number: CN216754827U
Application number: CN202122290594.2U
Authority: CN
Inventors: 严嘉辉
Original assignee: Foshan City South Sea Kang Peisi Medical Devices Co ltdS
Current assignee: Foshan City South Sea Kang Peisi Medical Devices Co ltdS
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-06-17
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a high-stability lifting ultra-low medical bed, which comprises a fixed bed frame, a lifting foot rest and a lifting mechanism for driving the lifting foot rest to lift; the lifting mechanism comprises four connecting rod groups respectively connected with four foot rests, four sliding blocks connected to the inner sides of the longitudinal rods in a sliding mode along the length direction of the fixed bed frame and a lifting driving telescopic arm device, each connecting rod group comprises a first connecting rod, a second connecting rod and a third connecting rod, the upper end of the first connecting rod is hinged to the fixed bed frame, the lower end of the first connecting rod is hinged to a middle node of the foot rest, the upper end of the second connecting rod is hinged to the sliding blocks, the lower end of the second connecting rod is hinged to the middle node of the first connecting rod, the lower end of the third connecting rod is hinged to the upper end of the foot rest, the middle node of the third connecting rod is hinged to the sliding blocks, the upper ends of the left and right third connecting rods are simultaneously connected with first arm rods through first shaft rods, and two ends of the lifting driving telescopic arm device are hinged to the first arm rods and the transverse rods respectively.

Description

Liftable ultralow medical bed of high stability

Technical Field

The utility model relates to the field of medical beds, in particular to a high-stability lifting ultra-low medical bed.

Background

The existing medical bed does not have the lifting adjusting function generally, and the height of the existing medical bed is fixed and cannot be adjusted. However, for a part of patients with serious illness and difficult physical activities, the height of the existing medical bed is higher, and the patients are not convenient to fall down, and the medical bed of the existing part has the lifting function for the reason, and the height of the medical bed can be adjusted in real time by using the lifting mechanism. However, the existing lifting mechanism of the medical bed has poor structural stability and certain use safety risk.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a high-stability liftable ultralow medical bed which is novel and reliable in structure, has a stable structure, enables a bed frame to keep the stable structure and can realize automatic lifting and folding functions.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a high-stability lifting ultra-low medical bed comprises a fixed bed frame, a lifting foot rest and a lifting mechanism for driving the lifting foot rest to lift; the fixed bed frame comprises a pair of longitudinal rods extending along the length direction and a cross rod connected between the longitudinal rods; the lifting foot rest comprises two pairs of foot rests which are symmetrical with each other; the lifting mechanism comprises four connecting rod groups respectively connected with four foot rests, four sliding blocks connected to the inner sides of the longitudinal rods in a sliding mode along the length direction of the fixed bed frame and a lifting driving telescopic arm device, each connecting rod group comprises a first connecting rod, a second connecting rod and a third connecting rod, the upper end of the first connecting rod is hinged to the fixed bed frame, the lower end of the first connecting rod is hinged to a middle node of the foot rest, the upper end of the second connecting rod is hinged to the sliding blocks, the lower end of the second connecting rod is hinged to the middle node of the first connecting rod, the lower end of the third connecting rod is hinged to the upper end of the foot rest, the middle node of the third connecting rod is hinged to the sliding blocks, the upper ends of the left and right third connecting rods are simultaneously connected with first arm rods through first shaft rods, and two ends of the lifting driving telescopic arm device are hinged to the first arm rods and the transverse rods respectively.

The utility model has the beneficial effects that: the folding medical bed has the function of automatic lifting, and the effect of height adjustment is realized by driving the telescopic arm device through lifting and driving and utilizing the connecting rod group to carry out transmission to change the angle between the foot rest and the fixed bed frame. The connecting rod group can realize the transmission effect, and meanwhile, the structure formed by the first connecting rod, the second connecting rod and the third connecting rod in the connecting rod group can keep the stability of the bedstead in the lifting process, thereby improving the use safety.

Preferably, the foldable bed frame further comprises a foldable bed frame arranged on the fixed bed frame and a folding driving mechanism for driving the foldable bed frame to be folded, wherein the foldable bed frame comprises a second frame body fixedly arranged on the fixed bed frame, a first frame body, a third frame body and a fourth frame body, the first frame body and the third frame body are respectively hinged to two sides of the second frame body and can slide along the length direction of the fixed bed frame, and the fourth frame body is hinged to the third frame body. First support body and the third support body of folding bedstead, with third support body articulated fourth support body can warp through angle regulation's mode folding, can let the patient tie when first support body and third support body, fourth support body are all kept flat lie on medical bed, can supply the patient to lean on when the folding to certain angle of first support body and third support body, fourth support body. The use mode is changeable, and the use requirements of different scenes can be met.

Preferably, the folding driving mechanism comprises a pair of fourth connecting rods, a pair of fifth connecting rods, a pair of sixth connecting rods, a first folding driving telescopic arm device and a second folding driving telescopic arm device; the pair of fourth connecting rods are respectively arranged at the left side and the right side of the first frame body, two ends of each fourth connecting rod are respectively hinged with the first frame body and the fixed bed frame, and the pair of fourth connecting rods are also simultaneously connected with a second arm lever through a second shaft lever; the pair of fifth connecting rods are respectively arranged at two sides of the third frame body, two ends of the fifth connecting rods are respectively hinged with the third frame body and the fixed bed frame, and the pair of fifth connecting rods are also simultaneously connected with a third arm lever through a third shaft lever; the pair of sixth connecting rods are respectively arranged at two sides of the fourth frame body, and two ends of the sixth connecting rods are respectively hinged with the fourth frame body and the fixed bed frame; the two ends of the first folding driving telescopic arm device are hinged to the cross rod and the second arm rod respectively, and the two ends of the second folding driving telescopic arm device are hinged to the cross rod and the third arm rod respectively. The first folding drive telescopic arm device of accessible drives first support body angle of adjustment and realizes warping foldingly, drives second support body and third support body angle of adjustment through the folding drive telescopic arm device of second and realizes warping foldingly. The first folding driving telescopic arm device and the second folding driving telescopic arm device are respectively controlled, so that the control mode is more flexible.

Preferably, a guide rail for guiding the sliding block to slide is arranged on the inner side of the longitudinal rod, and the sliding block is connected with the guide rail in a sliding manner.

Preferably, guide grooves are formed in two sides of the second frame body, and rollers which are respectively connected with the fourth connecting rod and the fifth connecting rod in a rotating mode are arranged in the guide grooves. By utilizing the structure, the fixed bed frame of the first frame body and the third frame body can slide in the length direction and can swing relative to the second frame body at the same time.

Preferably, handles are arranged on two sides of the second frame body. The handle is convenient for the staff to lift or push the medical bed.

Drawings

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

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

Fig. 3 is a schematic perspective view of the fixed bed frame and the lifting mechanism of the present invention.

Fig. 4 is a partially enlarged view of the area a in fig. 1.

The folding bed comprises a fixed bed frame 1, a longitudinal rod 11, a guide rail 111, a transverse rod 12, a lifting foot rest 2, a first connecting rod 311, a second connecting rod 312, a third connecting rod 313, a sliding block 32, a lifting driving telescopic arm device 33, a first arm rod 34, a first frame 41, a second frame 42, a guide groove 421, a handle 423, a third frame 43, a fourth frame 44, a fourth connecting rod 51, a fifth connecting rod 52, a sixth connecting rod 53, a first folding driving telescopic arm device 54, a second folding driving telescopic arm device 55, a second arm rod 56 and a third arm rod 57.

Detailed Description

The claimed invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 4, the high-stability liftable and ultralow medical bed in the embodiment includes a fixed bed frame 1, a lifting foot rest 2, a lifting mechanism for driving the lifting foot rest 2 to lift, a foldable bed frame disposed on the fixed bed frame 1, and a folding driving mechanism for driving the foldable bed frame to fold.

The fixed frame 1 includes a pair of vertical bars 11 extending in a longitudinal direction and a horizontal bar 12 connected between the pair of vertical bars 11, and a guide rail 111 is provided inside the vertical bars 11. The lifting foot rest 2 comprises two pairs of foot rests which are symmetrical with each other.

In this embodiment, the lifting mechanism comprises four sets of linkage connected to the four foot rests, four sets of sliding blocks 32 slidably connected to the inner sides of the vertical rods 11 along the length direction of the fixed bed frame 1, and a lifting driving telescopic arm device 33, each of the linkage comprises a first connecting rod 311, a second connecting rod 312 and a third connecting rod 313, wherein the upper end of the first connecting rod 311 is hinged with the fixed bed frame 1, the lower end of the first connecting rod 311 is hinged with the middle node of the foot rest, the upper end of the second connecting rod 312 is hinged with the sliding block 32, the lower end of the second connecting rod 312 is hinged with the middle node of the first connecting rod 311, the lower end of the third connecting rod 313 is hinged with the upper end of the foot rest, the middle node of the third connecting rod 313 is hinged with the sliding block 32, the upper ends of the left and right groups of third connecting rods 313 are also connected with a first arm lever 34 through a first shaft lever, the two ends of the lifting driving telescopic arm device 33 are respectively hinged with the first arm rod 34 and the cross rod 12. The telescopic arm device 33 is driven by lifting drive and is driven by the connecting rod group to change the angle between the foot stool and the fixed bed frame 1, thereby realizing the effect of height adjustment.

In this embodiment, the foldable frame comprises a second frame body 42 fixedly installed on the fixed frame 1, a first frame body 41 and a third frame body 43 respectively hinged to both sides of the second frame body 42 and capable of sliding along the length direction of the fixed frame 1, and a fourth frame body 44 hinged to the third frame body 43. Specifically, guide grooves 421 are formed in two sides of the second frame 42, and rollers rotatably connected to the fourth connecting rod 51 and the fifth connecting rod 52 are disposed in the guide grooves 421, so that the first frame 41 and the third frame 43 can slide along the length direction of the fixed bed frame 1 and can swing relative to the second frame 42. In addition, in the present embodiment, handles 423 are disposed on two sides of the second frame 42, and the handles 423 may be used to facilitate a worker to lift or push the hospital bed.

The folding driving mechanism comprises a pair of fourth connecting rods 51, a pair of fifth connecting rods 52, a pair of sixth connecting rods 53, a first folding driving telescopic arm device 54 and a second folding driving telescopic arm device 55; wherein the pair of fourth connecting rods 51 are respectively disposed at the left and right sides of the first frame body 41, and both ends of the fourth connecting rods 51 are respectively hinged with the first frame body 41 and the fixed bed frame 1, and the pair of fourth connecting rods 51 are also simultaneously connected with a second arm lever 56 through a second shaft lever; the pair of fifth connecting rods 52 are respectively disposed at both sides of the third frame body 43, and both ends of the fifth connecting rods 52 are respectively hinged to the third frame body 43 and the fixed frame body 1, and the pair of fifth connecting rods 52 are also simultaneously connected to a third arm 57 through a third shaft lever; the pair of sixth connecting rods 53 are respectively disposed at both sides of the fourth frame body 44, and both ends of the sixth connecting rods 53 are respectively hinged with the fourth frame body 44 and the fixed frame 1; the two ends of the first folding driving telescopic arm device 54 are respectively hinged with the cross rod 12 and the second arm lever 56, and the two ends of the second folding driving telescopic arm device 55 are respectively hinged with the cross rod 12 and the third arm lever 57. The first folding driving telescopic arm device 54 can drive the first frame body 41 to adjust the angle to realize the deformation folding, and the second folding driving telescopic arm device 55 can drive the second frame body 42 and the third frame body 43 to adjust the angle to realize the deformation folding. The first folding driving telescopic arm device 54 and the second folding driving telescopic arm device 55 are respectively controlled, so that the control mode is more flexible.

The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to limit the present invention in any way. Those skilled in the art can make many changes and modifications to the disclosed embodiments, or modify the equivalent embodiments using the teachings disclosed above, without departing from the scope of the present invention. Therefore, equivalent variations made according to the idea of the present invention should be covered within the protection scope of the present invention without departing from the contents of the technical solution of the present invention.

Claims

1. The utility model provides a liftable ultralow medical bed of high stability which characterized in that: comprises a fixed bed frame (1), a lifting foot rest (2) and a lifting mechanism for driving the lifting foot rest (2) to lift; the fixed bed frame (1) comprises a pair of longitudinal rods (11) extending along the length direction and a cross rod (12) connected between the longitudinal rods (11); the lifting foot rest (2) comprises two pairs of foot rests which are symmetrical to each other; the lifting mechanism comprises four groups of connecting rod groups respectively connected with four foot rests, four groups of sliding blocks (32) connected to the inner sides of longitudinal rods (11) in a sliding manner along the length direction of a fixed bed frame (1) and a lifting driving telescopic arm device (33), each connecting rod group comprises a first connecting rod (311), a second connecting rod (312) and a third connecting rod (313), wherein the upper end of the first connecting rod (311) is hinged with the fixed bed frame (1), the lower end of the first connecting rod (311) is hinged with a foot rest middle node, the upper end of the second connecting rod (312) is hinged with the sliding blocks (32), the lower end of the second connecting rod (312) is hinged with the first connecting rod (311) middle node, the lower end of the third connecting rod (313) is hinged with the upper end of the foot rest, the middle node of the third connecting rod (313) is hinged with the sliding blocks (32), the upper ends of the left and right groups of third connecting rods (313) are simultaneously connected with a first arm rod (34) through a first connection, and two ends of the lifting driving telescopic arm device (33) are respectively hinged with the first arm rod (34) and the cross rod (12).

2. The high-stability liftable ultra-low medical bed according to claim 1, wherein: the foldable bedstead comprises a second frame body (42) fixedly mounted on the fixed bedstead (1), a first frame body (41) and a third frame body (43) which are respectively hinged to two sides of the second frame body (42) and can slide along the length direction of the fixed bedstead (1), and a fourth frame body (44) hinged to the third frame body (43).

3. The liftable ultralow medical bed with high stability as claimed in claim 2, wherein: the folding driving mechanism comprises a pair of fourth connecting rods (51), a pair of fifth connecting rods (52), a pair of sixth connecting rods (53), a first folding driving telescopic arm device (54) and a second folding driving telescopic arm device (55); the pair of fourth connecting rods (51) are respectively arranged at the left side and the right side of the first frame body (41), two ends of each fourth connecting rod (51) are respectively hinged with the first frame body (41) and the fixed bed frame (1), and the pair of fourth connecting rods (51) are also simultaneously connected with second arm rods (56) through second shaft rods; the pair of fifth connecting rods (52) are respectively arranged at two sides of the third frame body (43), two ends of the fifth connecting rods (52) are respectively hinged with the third frame body (43) and the fixed bed frame (1), and the pair of fifth connecting rods (52) are also simultaneously connected with a third arm lever (57) through a third shaft lever; the pair of sixth connecting rods (53) are respectively arranged at two sides of the fourth frame body (44), and two ends of the sixth connecting rods (53) are respectively hinged with the fourth frame body (44) and the fixed bed frame (1); the two ends of the first folding driving telescopic arm device (54) are hinged to the cross rod (12) and the second arm rod (56) respectively, and the two ends of the second folding driving telescopic arm device (55) are hinged to the cross rod (12) and the third arm rod (57) respectively.

4. The high-stability liftable ultra-low medical bed according to claim 1, wherein: the inner side of the longitudinal rod (11) is provided with a guide rail (111) for guiding the sliding block (32) to slide, and the sliding block (32) is connected with the guide rail (111) in a sliding manner.

5. The liftable ultralow medical bed with high stability as claimed in claim 3, wherein: guide grooves (421) are formed in two sides of the second frame body (42), and rollers which are respectively connected with the fourth connecting rod (51) and the fifth connecting rod (52) in a rotating mode are arranged in the guide grooves (421).

6. The liftable ultralow medical bed with high stability as claimed in claim 2, wherein: handles (423) are arranged on two sides of the second frame body (42).