CN218280000U

CN218280000U - Anti-slip anti-drop helical gear driving mechanism for nursing bed

Info

Publication number: CN218280000U
Application number: CN202220646598.1U
Authority: CN
Inventors: 蒋燕; 冯喜辉; 冯伟东
Original assignee: Qingdao Donglinyuan Precision Plastic Co ltd
Current assignee: Qingdao Donglinyuan Precision Plastic Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2023-01-13
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses an oblique gear drive mechanism that skid-proof nursing bed of anticreep was used, including supporting mechanism, including the linear articulated bed board of polylith, the articulated and gomphosis of upper end both sides of bed board have the board of standing up, the inside of bed board is provided with the cavity operation district, and the bottom both sides of cavity transversely are provided with the guide rail, the inboard slip of guide rail is provided with the movable block, the one end of movable block is provided with respectively and constitutes articulated free type air spring of being connected with the board of standing up with the movable block, when the board of standing up of arbitrary one side need open, then drive gear can drive push rod and the movable block slides along the one end of guide rail through the rotatory mode of supporting of meshing, and free type air spring can form at the uniform velocity to support to push up the board of standing up simultaneously, and support up patient's health side until the board of standing up, and free type air spring can form effectual elasticity protection for plate body and drive assembly when the board receives great holding down force simultaneously, simple structure, be convenient for the maintenance, and be difficult for the damage to appear.

Description

Anti-slip and anti-drop bevel gear driving mechanism for nursing bed

Technical Field

The utility model relates to a nursing bed technical field specifically is an anti-skidding nursing bed of anticreep uses helical gear actuating mechanism.

Background

The physiotherapy bed in the prior art comprises a bed frame and panels arranged on the bed frame, wherein the four panels comprise a back panel, a middle panel and two leg panels which are hinged and connected in series, the back panel and the two leg panels can support the body of a patient under the action of a driving device, and the patient can sit up or lie down; however, the existing nursing bed still has some disadvantages, for example, the four hinged panels are inconvenient for nursing staff or family members of the patient to turn over or hold the patient down, and especially the patient turns over alone, so that the patient is more difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oblique gear actuating mechanism that skid-proof nursing bed of anticreep was used to solve the current nursing bed that provides in the above-mentioned background art and be not convenient for control the patient and turn on one's side, thereby reduce the problem of nursing bed practicality, consequently, the utility model aims at providing an oblique gear actuating mechanism that skid-proof nursing bed of anticreep was used, it can carry out the side direction to patient's health when the patient need stand up and prop, has improved medical personnel and patient's family members and patient self convenience of use to nursing bed greatly, and every main board only needs a power assembly and drive assembly's cooperation simultaneously down alright link and raise the side brace panel of both sides to the overall cost of equipment has been reduced.

In order to achieve the above purpose, the utility model provides a following technical scheme: a helical gear driving mechanism for an anti-slip and anti-slip nursing bed, comprising:

the supporting mechanism comprises a plurality of linearly hinged bed plates, wherein two sides of the upper end of each bed plate are hinged and embedded with a turnover plate, a cavity operation area is arranged in each bed plate, guide rails are transversely arranged on two sides of the bottom of each cavity, movable blocks are arranged on the inner sides of the guide rails in a sliding mode, and free air springs which are respectively hinged with the movable blocks and the turnover plates are arranged at one ends of the movable blocks;

the driving mechanism comprises a push rod connected to one end of the movable block, a rack distributed along the length direction of the push rod is arranged at the upper end of the push rod, a transmission gear is meshed at the upper end of the rack, and the transmission gear is connected with a driving device.

Preferably, the top of turning over board and bed board is located same horizontal plane, and the board that turns over of both sides freely opens and shuts along the outward flange of bed board, the bed board comprises back panel, buttock panel and two leg panels interconnect respectively, and all is provided with the turning over board on every panel, free type air spring is fifteen degrees angle slope forms and sets up.

Preferably, the bottom of the inner side of the guide rail is provided with a tapered tooth socket distributed along the length direction of the guide rail, the vertical central part of the movable block is provided with a locking cylinder, and the telescopic end of the locking cylinder can be embedded in the tapered tooth socket at the bottom of the guide rail when extending out.

Preferably, the bottom of the bed board is further provided with a bed frame for supporting the bed board, a shock pad is arranged at a contact part of the bottom of the opening and closing end of the turning plate and the bed board, a rubber thin pad is further arranged on the upper surface of the turning plate, and anti-skid protrusions are uniformly distributed on the surface of the rubber thin pad.

Preferably, one side of the transmission gear is fixedly provided with a shaft rod, one end of the shaft rod is fixedly provided with a ratchet wheel, a collar is radially sleeved on a circle on the outer side of the ratchet wheel, a twistable caliper which forms a clamping structure with the ratchet wheel is distributed on the edge of the inner side of the collar, the twistable caliper can only passively do clockwise twisting, a second helical gear is arranged on a circle on the outer wall of one end of the collar, a first helical gear meshed with the second helical gear is arranged on one side of the top of the second helical gear, the upper end of the first helical gear is connected with a motor, and second helical gears which form transmission connection with push rods on two sides are respectively meshed with two sides of the first helical gear.

Preferably, the clamping ring and the transmission gear are movably arranged in the bed plate through a bearing assembly and used for stabilizing the transmission operation of the driving assembly.

Compared with the prior art, the beneficial effects of the utility model are that:

through the arrangement of the supporting turning plate, the free type air spring, the movable block and the like, the movable block can elastically push against the turning plate on one side through the free type air spring when moving until the turning plate supports one side of the body of a patient, meanwhile, the turning plate can elastically support the patient through the free type air spring, and effective elastic protection can be formed for the turning plate and the driving assembly when the turning plate is subjected to large downward pressure.

(II) through the setting of guide rail, toper tooth's socket and locking cylinder etc. when the board that stands up need keep the side direction to rise the action, then the output of locking cylinder can auto-eject and gomphosis toper tooth's socket to form firmly the locking state between feasible movable block and the guide rail, and form powerful support for the free type air spring, also significantly reduced the overload power that the gear drive bore simultaneously, and then played the mesh of antiskid anticreep.

And (III) through the arrangement of the driving mechanism, when the motor drives the first bevel gear to rotate towards a radial direction, the twistable caliper on one side can be continuously separated from the ratchet wheel, the turnover plate corresponding to the twistable caliper cannot be lifted, the ratchet wheel on the other side can be clamped with the twistable caliper and drives the other turnover plate to be lifted, so that the turnover plates on the left side and the right side can be controlled randomly to operate only through the motor and a matched driving component, the matching between the structures is ingenious, and the narrow space inside the bed plate is effectively utilized while the installation cost is reduced.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the bed plate of the present invention;

fig. 3 is a schematic view of the connection structure of the driving assembly of the present invention;

FIG. 4 is a schematic view of the connection structure of the retainer ring and the ratchet wheel of the present invention;

fig. 5 is a schematic view of the internal structure of the guide rail of the present invention.

In the figure: 100. a support mechanism; 110. a bed board; 120. turning over the body plate; 130. a guide rail; 140. a movable block; 1301. a tapered gullet; 150. a free-type gas spring; 160. locking the air cylinder; 170. a bed frame; 200. a drive mechanism; 210. a push rod; 2101. a rack; 220. a transmission gear; 230. a shaft lever; 240. a ratchet wheel; 250. a collar; 2501. a twistable caliper; 2502. a second helical gear; 260. a first helical gear; 270. an electric motor.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Next, the present invention will be described in detail with reference to the schematic drawings, and in order to describe the embodiments of the present invention in detail, the sectional views showing the device structure will not be enlarged partially according to the general scale for convenience of description, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Fig. 1 to 5 show the whole structural schematic diagrams of the helical gear driving mechanism for the anti-slip and anti-slip nursing bed of the present invention, please refer to fig. 1 to 5, the main part of the helical gear driving mechanism for the anti-slip and anti-slip nursing bed of the present embodiment includes a supporting mechanism 100 and a driving mechanism 200.

The supporting mechanism 100 comprises a plurality of linearly hinged bed boards 110, wherein two sides of the upper end of the bed board 110 are hinged and embedded with turning-over plates 120, a cavity operation area is arranged in the bed board 110, guide rails 130 are transversely arranged on two sides of the bottom of the cavity, movable blocks 140 are slidably arranged on the inner sides of the guide rails 130, one ends of the movable blocks 140 are provided with free air springs 150 which are respectively hinged with the movable blocks 140 and the turning-over plates 120, the turning-over plates 120 and the top of the bed board 110 are positioned on the same horizontal plane, the turning-over plates 120 on two sides are freely opened and closed along the outer edges of the bed board 110, the bed board 110 is respectively formed by interconnecting a back panel, a hip panel and two leg panels, each panel is provided with a turning-over plate 120, the free air springs 150 are arranged in a fifteen-degree inclined manner, when the turning-over plates 120 on any one side need to be opened, a transmission gear 220 can drive a push rod 210 and the movable blocks 140 to slide along one end of the guide rails 130 in a meshing rotating and pushing manner, meanwhile, one end of the free gas spring 150 can form uniform pushing against the turning plate 120 under the action of the movable block 140 until the turning plate 120 supports one side of the body of the patient, meanwhile, the turning plate 120 can form elastic support for the patient through the free gas spring 150, and can form effective elastic protection for the turning plate 120 and the driving assembly when the turning plate 120 is subjected to large downward pressure, the structure is simple, the maintenance is convenient, and the damage is not easy to occur, the bottom of the inner side of the guide rail 130 is provided with a conical tooth socket 1301 distributed along the length direction thereof, the vertical middle part of the movable block 140 is provided with a locking cylinder 160, the telescopic end of the locking cylinder 160 can be embedded into the conical tooth socket 1301 at the bottom of the guide rail 130 when extending out, in order to further improve the use stability of the device, when the free gas spring 150 supports the turning plate 120, when the turning-over plate 120 needs to keep the action state, the output end of the locking cylinder 160 is automatically popped out and embedded into the tapered tooth socket 1301, so that a firmly locked state is formed between the movable block 140 and the guide rail 130, a strong support is formed for the free air spring 150, meanwhile, the overload force born by the gear drive is greatly reduced, and the anti-slip and anti-falling purposes are achieved.

The driving mechanism 200 comprises a push rod 210 connected to one end of the movable block 140, the upper end of the push rod 210 is provided with a rack 2101 distributed along the length direction thereof, the upper end of the rack 2101 is engaged with a transmission gear 220, the transmission gear 220 is connected with a driving device, one side of the transmission gear 220 is fixedly provided with a shaft rod 230, one end of the shaft rod 230 is fixedly provided with a ratchet 240, a collar 250 is radially sleeved on the outer circle of the ratchet 240, the inner side edge of the collar 250 is provided with a twistable caliper 2501 forming a clamping structure with the ratchet 240, the twistable caliper 2501 can only be twisted clockwise, one outer wall of one end of the collar 250 is provided with a second helical gear 2502 in a circle, one side of the top of the second helical gear 2502 is provided with a first helical gear 260 engaged with the second helical gear, the upper end of the first helical gear 260 is connected with a motor 270, two sides of the first helical gear 260 are respectively engaged with second helical gears 2502 forming transmission connection with the push rod 210 at two sides, during operation, the motor 270 can drive the second bevel gear 2502 and the collar 250 to rotate through the first bevel gear 260, the collar 250 can drive the ratchet 240 and the shaft rod 230 to synchronously rotate through the twistable caliper 2501, the shaft rod 230 can drive the push rod 210 engaged with the shaft rod 230 to horizontally slide through the transmission gear 220, and the push rod 210 pushes the movable block 140 to move left and right, meanwhile, when the motor 270 drives the first bevel gear 260 to rotate in one radial direction, the twistable caliper 2501 on one side can continuously form a disengagement state with the ratchet 240, the turnover plate 120 corresponding to the twistable caliper 2501 cannot be lifted, the ratchet 240 on the other side can form a clamping state with the twistable caliper 2501 and drive the other turnover plate 120 to be lifted, so that the turnover plates 120 on the left and right sides can be controlled to operate through only one motor 270 and a matched driving assembly, the cooperation is ingenious between the structure, has also effectively utilized the narrow and small space of bed board 110 inside when reducing installation cost, and rand 250 and drive gear 220 pass through bearing assembly movable mounting in the inside of bed board 110 to a transmission operation for firm drive assembly.

In summary, in the bevel gear driving mechanism for an anti-slip and anti-slip nursing bed according to the embodiment, firstly, the motor 270 may drive the second bevel gear 2502 and the collar 250 to rotate through the first bevel gear 260, the collar 250 may drive the ratchet 240 and the shaft 230 to rotate synchronously through twisting the caliper 2501, the shaft 230 may drive the push rod 210 engaged therewith to slide horizontally through the transmission gear 220, the push rod 210 may drive the movable block 140 to slide along one end of the guide rail 130, and meanwhile, one end of the free type gas spring 150 may form a uniform pushing force on the turn-over plate 120 under the action of the movable block 140 until the turn-over plate 120 supports up one side of the body of the patient, and meanwhile, the turn-over plate 120 may form an elastic support for the patient through the free type gas spring 150.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an anti-skidding nursing bed of anticreep uses skewed tooth wheel actuating mechanism which characterized in that includes:

the supporting mechanism (100) comprises a plurality of linearly hinged bed plates (110), wherein two sides of the upper end of each bed plate (110) are hinged and embedded with a turnover plate (120), a cavity operation area is arranged in each bed plate (110), guide rails (130) are transversely arranged on two sides of the bottom of each cavity, movable blocks (140) are arranged on the inner sides of the guide rails (130) in a sliding mode, and one ends of the movable blocks (140) are provided with free air springs (150) which are respectively hinged with the movable blocks (140) and the turnover plates (120);

the driving mechanism (200) comprises a push rod (210) connected to one end of the movable block (140), a rack (2101) distributed along the length direction of the push rod (210) is arranged at the upper end of the push rod (210), a transmission gear (220) is meshed at the upper end of the rack (2101), and the transmission gear (220) is connected with a driving device.

2. The anti-slip and anti-slip bevel gear driving mechanism for the nursing bed as claimed in claim 1, wherein: turn over board (120) and bed board (110) the top and be located same horizontal plane, and the board (120) that stands up of both sides freely opens and shuts along the outward flange of bed board (110), bed board (110) comprise back panel, buttock panel and two shank panel interconnect respectively, and all are provided with on every panel and turn over board (120), free type air spring (150) are fifteen degrees angles slope form settings.

3. The anti-slip and anti-slip bevel gear driving mechanism for the nursing bed as claimed in claim 1, wherein: the bottom of the inner side of the guide rail (130) is provided with a conical tooth groove (1301) distributed along the length direction of the guide rail, the vertical middle part of the movable block (140) is provided with a locking cylinder (160), and the telescopic end of the locking cylinder (160) can be embedded into the conical tooth groove (1301) at the bottom of the guide rail (130) when extending out.

4. The anti-slip and anti-slip bevel gear driving mechanism for the nursing bed as claimed in claim 2, wherein: the anti-skidding bed is characterized in that a bed frame (170) used for supporting the bed board (110) is further arranged at the bottom of the bed board (110), a shock pad is arranged at the contact part of the bottom of the opening and closing end of the turning plate (120) and the bed board (110), a rubber thin pad is further arranged on the upper surface of the turning plate (120), and anti-skidding bulges are uniformly distributed on the surface of the rubber thin pad.

5. The anti-slip and anti-slip bevel gear driving mechanism for the nursing bed as claimed in claim 4, wherein: one side of the transmission gear (220) is fixedly provided with a shaft rod (230), one end of the shaft rod (230) is fixedly provided with a ratchet wheel (240), a collar (250) is radially sleeved on a circle of the outer side of the ratchet wheel (240), a twistable caliper (2501) which forms a clamping structure with the ratchet wheel (240) is distributed on the edge of the inner side of the collar (250), the twistable caliper (2501) can only passively do clockwise twisting, a second helical gear (2502) is arranged on a circle of the outer wall of one end of the collar (250), one side of the top of the second helical gear (2502) is provided with a first helical gear (260) meshed with the second helical gear, the upper end of the first helical gear (260) is connected with a motor (270), and the two sides of the first helical gear (260) are respectively meshed with second helical gears (2502) which form transmission connection with push rods (210) on the two sides.

6. The anti-slip and anti-slip bevel gear driving mechanism for the nursing bed as claimed in claim 5, wherein: the clamping ring (250) and the transmission gear (220) are movably arranged in the bedplate (110) through a bearing assembly and are used for stabilizing the transmission operation of the driving assembly.