CN214909904U

CN214909904U - Physiotherapy bed truckle elevating system

Info

Publication number: CN214909904U
Application number: CN202120970376.0U
Authority: CN
Inventors: 黄贤庆
Original assignee: Guangzhou Pinzhi Medical Technology Co ltd
Current assignee: Guangzhou Pinzhi Medical Technology Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-30
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a physiotherapy bed truckle elevating system belongs to medical instrument technical field. It includes chassis and four supporting legss of setting on the chassis, its characterized in that: the bottom of the underframe is provided with four groups of telescopic leg wheel sets; the chassis is provided with a driving connecting rod assembly which can drive the four groups of caster groups to synchronously extend downwards and retract upwards; when the driving connecting rod assembly drives the caster wheel groups to extend downwards, the underframe is supported on the ground through the four caster wheel groups; when the driving connecting rod assembly drives the caster wheel group to retract upwards, the underframe is supported on the ground through the four supporting feet. The utility model aims at providing a physiotherapy bed truckle elevating system to solve the inconvenient technical problem of locking and unblock of physiotherapy bed truckle among the prior art.

Description

Physiotherapy bed truckle elevating system

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to physiotherapy bed truckle elevating system.

Background

The physiotherapy bed is one of medical instruments commonly used in hospitals and is a hospital bed used by patients who are inconvenient to move in hospital or in home care; in order to realize the purpose of pushing and placing the physiotherapy bed, the truckles of the physiotherapy bed at present mostly adopt universal wheel standard parts with locking functions on the market, and when pushing and placing the physiotherapy bed at every time, four groups of truckles of the physiotherapy bed need to be unlocked and locked one by one, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lifting mechanism of a physiotherapy bed caster wheel, which solves the technical problem of inconvenient locking and unlocking of the physiotherapy bed caster wheel in the prior art.

The utility model discloses the technical scheme who adopts: the utility model provides a physiotherapy bed truckle elevating system, includes chassis and four supporting legss of setting on the chassis, its characterized in that: the bottom of the underframe is provided with four groups of telescopic leg wheel sets; the chassis is provided with a driving connecting rod assembly which can drive the four groups of caster groups to synchronously extend downwards and retract upwards; when the driving connecting rod assembly drives the caster wheel groups to extend downwards, the underframe is supported on the ground through the four caster wheel groups; when the driving connecting rod assembly drives the caster wheel group to retract upwards, the underframe is supported on the ground through the four supporting feet.

Preferably, the driving connecting rod assembly comprises two brake shafts, bearing plates which are arranged at two ends of the two brake shafts and rotatably connected with the brake shafts, a pedal fixedly connected at one end of one of the brake shafts, synchronous cams and driving cams which are fixedly connected with the two brake shafts, and a linkage shaft of which two ends are respectively hinged with the synchronous cams on the two brake shafts; the bearing plate is fixedly connected to the supporting leg; when the pedal rotates, the two brake shafts synchronously drive the synchronous cam and the driving cam to rotate, and the four groups of pedal groups are driven to simultaneously extend downwards or retract upwards.

As a further preferable scheme, the underframe is composed of at least one transverse supporting tube and two longitudinal supporting tubes, and two ends of the transverse supporting tube are respectively fixedly connected with the side walls of the two longitudinal supporting tubes; the four supporting legs are respectively arranged at two ends of the two longitudinal supporting tubes, and the four groups of the supporting legs are respectively arranged at the bottoms of the two longitudinal supporting tubes; the two brake shafts are respectively arranged in the two longitudinal support pipes; the linkage shaft is arranged in the transverse supporting pipe. As a further preferable scheme, the pedal plate is arranged in one of the supporting feet, both side walls of the supporting foot are provided with notches, and both ends of the pedal plate respectively extend out of the notches of both side walls of the supporting foot. As a further preferable scheme, the gaps on the two side walls of the supporting leg are provided with silica gel protective sleeves, and the two silica gel protective sleeves are respectively sleeved at the two ends of the pedal.

As a further preferable scheme, the caster set comprises a caster body, a fixed sleeve, a T-shaped sliding rod and an elastic piece; the upper end of the fixed sleeve is fixedly connected to the longitudinal supporting tube, and the lower end of the fixed sleeve is provided with a through hole; the lower end of the T-shaped sliding rod penetrates through the through hole at the lower end of the fixed sleeve and then is in threaded connection with the upper end of the caster body; the elastic piece is arranged between the fixed sleeve and the T-shaped sliding rod and provides an upward moving force for the T-shaped sliding rod, so that the upper end of the T-shaped sliding rod is attached to the synchronous cam or the driving cam. As a further preferred aspect, the elastic member is a spring.

The utility model adopts the beneficial effect behind the above structure to do: through the structural design of the foot wheel set and the driving connecting rod assembly, a user can extend or retract the four foot wheels simultaneously only by stepping down one corresponding end of the foot pedal, so that the user can push and place the physiotherapy bed conveniently; this structure will hide all motion in the chassis except truckle and running-board ingeniously, under the prerequisite that does not influence bed body self structure, greatly reduced motion and external emergence direct collision cause the risk of damage, and guaranteed the whole pleasing to the eye degree of mechanism.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a driving link assembly according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of the drive link assembly according to an embodiment of the present invention;

FIG. 4 is a sectional view of a portion of the caster set of an embodiment of the present invention;

FIG. 5 is a schematic view of a portion of the caster assembly of the embodiment of the present invention when it is retracted upward;

fig. 6 is a schematic view of a portion of the structure of the caster set extending downward according to the embodiment of the present invention.

In the figure: 1-an underframe, 2-supporting feet, 3-a foot wheel set and 4-a driving connecting rod assembly; 11-a transverse supporting tube, 12-a longitudinal supporting tube and 13-a silica gel protective sleeve; 31-a caster body, 32-a fixed sleeve, 33-a T-shaped sliding rod and 34-an elastic piece; 41-brake shaft, 42-bearing plate, 43-pedal, 44-synchronous cam, 45-driving cam and 46-linkage shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, the lifting mechanism of the caster of the physiotherapy couch comprises a bottom frame 1 and four supporting legs 2 arranged on the bottom frame 1, and is characterized in that: the bottom of the underframe 1 is provided with four groups of telescopic leg wheel sets 3; the chassis 1 is provided with a driving connecting rod assembly 4 which can drive the four foot wheel sets 3 to synchronously extend downwards and retract upwards; when the drive connecting rod assembly 4 drives the foot wheel sets 3 to extend downwards, the underframe 1 is supported on the ground through the four foot wheel sets 3; when the driving connecting rod assembly 4 drives the foot wheel set 3 to retract upwards, the underframe 1 is supported on the ground through the four supporting feet 2. The user can control the four groups of foot wheel sets 3 to extend out or retract at one time by driving the connecting rod assembly 4, which is beneficial to the user to push and place the physiotherapy couch.

Preferably, the driving link assembly 4 includes two braking shafts 41, a bearing plate 42 disposed at two ends of the two braking shafts 41 and rotatably connected to the braking shafts 41, a pedal 43 fixedly connected to one end of one of the braking shafts 41, a synchronizing cam 44 and a driving cam 45 fixedly connected to the two braking shafts 41, and a linkage shaft 46 having two ends respectively hinged to the synchronizing cam 44 on the two braking shafts 41; the bearing plate 42 is fixedly connected to the supporting leg 2; when the pedal 43 rotates, the two brake shafts 41 synchronously drive the synchronous cam 44 and the driving cam 45 to rotate, so as to drive the four groups of pedal sets 3 to simultaneously extend downwards or retract upwards;

the structure adopts a connecting rod structure, the number of driving parts can be simplified, and a user can easily control the four groups of pedal groups 3 to extend or retract simultaneously only by stepping down the pedal 43 once; the bearing plate 42 and the brake shaft 41 can be connected through a bearing; the synchronizing cam 44 can be hinged with the linkage shaft 46 through a conventional pin-hole matching manner; the protruding distance or shape of the synchronous cam 44 and the driving cam 45 from the center of the circle can be adapted according to the actual production situation, such as integrally making eccentric ellipse, pear shape, eccentric circle and other structures, or welding a protruding bump on a circular tube.

As a further preferable scheme, the underframe 1 is composed of at least one transverse supporting pipe 11 and two longitudinal supporting pipes 12, and two ends of the transverse supporting pipe 11 are respectively fixedly connected with the side walls of the two longitudinal supporting pipes 12; the four supporting legs 2 are respectively arranged at two ends of two longitudinal supporting tubes 12, and the four groups of leg wheel sets 3 are respectively arranged at the bottoms of the two longitudinal supporting tubes 12; the two brake shafts 41 are respectively arranged in the two longitudinal support pipes 12; the linkage shaft 46 is arranged in the transverse support tube 11.

This structure will hide all motion in chassis 1 except truckle and running-board 43 ingeniously, under the prerequisite that does not influence the bed body self structure, greatly reduced motion and the external direct collision of emergence cause the risk of damage, and guaranteed the whole pleasing to the eye degree of mechanism. The transverse supporting tube 11 and the longitudinal supporting tube 12 are provided with openings at corresponding connecting positions, and the openings are detachably covered with the rear cover plate, so that the driving connecting rod assembly 4 is assembled, after the driving connecting rod assembly 4 is assembled, the cover plate can be fixedly connected to the transverse supporting tube 11 and the longitudinal supporting tube 12 through bolts to shield the openings, and the overall attractiveness of the mechanism is improved.

The number of the transverse supporting tubes 11 and the longitudinal supporting tubes 12 can be designed according to the weighing and the size of the actual chassis 1, and other supporting structures can be added on the chassis 1.

As a further preferable scheme, the pedal 43 is arranged in one of the supporting feet 2, both side walls of the supporting foot 2 are provided with notches, both ends of the pedal 43 respectively extend out from the notches of both side walls of the supporting foot 2, and the user can control the extension and retraction of the caster set 3 by stepping on one end of the pedal 43 according to the requirement; the arrangement of the foot plate 43 in the supporting leg 2 can prevent the structure at the joint of the foot plate 43 from being exposed, thereby improving the aesthetic degree. As a further preferred scheme, the gaps on the two side walls of the supporting leg 2 are provided with two silica gel protective sleeves 13, the two silica gel protective sleeves 13 are respectively sleeved at the two ends of the pedal 43, the external silica gel protective sleeves 13 better wrap the pedal 43, the use is practical and safe, and the situation that the pedal 43 trips over a user can be avoided.

As a further preferable scheme, the caster set 3 comprises a caster body 31, a fixed sleeve 32, a T-shaped sliding rod 33 and an elastic member 34; the upper end of the fixed sleeve 32 is fixedly connected to the longitudinal support tube 12, and the lower end of the fixed sleeve 32 is provided with a through hole; the lower end of the T-shaped sliding rod 33 penetrates through the through hole at the lower end of the fixed sleeve 32 and then is in threaded connection with the upper end of the caster body 31; the elastic piece 34 is arranged between the fixed sleeve 32 and the T-shaped sliding rod 33 and provides an upward moving force for the T-shaped sliding rod 33, so that the upper end of the T-shaped sliding rod 33 is attached to the synchronous cam 44 or the driving cam 45; the structure can facilitate the installation and the disassembly of the caster body 31 and realize the telescopic function of the caster body 31; the elastic piece 34 can enable the T-shaped sliding rod 33 to be continuously attached to the synchronous cam 44 or the driving cam 45, so that the caster body 31 can be timely rebounded when the physiotherapy couch is placed; the fixing sleeve 32 may be mounted on the longitudinal support tube 12 by welding. As a further preferred option, the elastic member 34 is a spring.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. The utility model provides a physiotherapy bed truckle elevating system, includes chassis (1) and sets up four supporting legss (2) on chassis (1), its characterized in that: the bottom of the underframe (1) is provided with four groups of telescopic foot wheel sets (3); the chassis (1) is provided with a driving connecting rod assembly (4) which can drive the four foot wheel sets (3) to synchronously extend downwards and retract upwards; when the drive connecting rod assembly (4) drives the foot wheel sets (3) to extend downwards, the underframe (1) is supported on the ground through the four foot wheel sets (3); when the driving connecting rod assembly (4) drives the foot wheel set (3) to retract upwards, the underframe (1) is supported on the ground through the four supporting feet (2).

2. The lifting mechanism of the caster of the physiotherapy couch, as claimed in claim 1, wherein: the driving connecting rod assembly (4) comprises two brake shafts (41), bearing plates (42) which are arranged at two ends of the two brake shafts (41) and rotatably connected with the brake shafts (41), a pedal (43) fixedly connected at one end of one of the brake shafts (41), synchronous cams (44) and driving cams (45) fixedly connected to the two brake shafts (41), and a linkage shaft (46) of which two ends are respectively hinged with the synchronous cams (44) on the two brake shafts (41); the bearing plate (42) is fixedly connected to the supporting leg (2); when the pedal plates (43) rotate, the two brake shafts (41) synchronously drive the synchronous cam (44) and the driving cam (45) to rotate, and the four groups of pedal wheel sets (3) are driven to simultaneously extend downwards or retract upwards.

3. The physiotherapy couch castor lifting mechanism according to claim 2, wherein: the underframe (1) consists of at least one transverse supporting pipe (11) and two longitudinal supporting pipes (12), and two ends of the transverse supporting pipe (11) are fixedly connected with the side walls of the two longitudinal supporting pipes (12) respectively; the four supporting legs (2) are respectively arranged at two ends of the two longitudinal supporting tubes (12), and the four groups of leg wheel sets (3) are respectively arranged at the bottoms of the two longitudinal supporting tubes (12); the two brake shafts (41) are respectively arranged in the two longitudinal support pipes (12); the linkage shaft (46) is arranged in the transverse supporting pipe (11).

4. The lifting mechanism of the caster of the physiotherapy couch of claim 3, wherein: the foot pedals (43) are arranged in one of the supporting legs (2), notches are formed in two side walls of the supporting leg (2), and two ends of each foot pedal (43) extend out of the notches in the two side walls of the supporting leg (2) respectively.

5. The physiotherapy couch castor lifting mechanism according to claim 4, wherein: the gaps on the two side walls of the supporting leg (2) are provided with silica gel protective sleeves (13), and the two silica gel protective sleeves (13) are respectively sleeved at the two ends of the pedal (43).

6. The physiotherapy couch castor lifting mechanism according to claim 2, wherein: the caster set (3) comprises a caster body (31), a fixed sleeve (32), a T-shaped sliding rod (33) and an elastic piece (34); the upper end of the fixed sleeve (32) is fixedly connected to the longitudinal supporting tube (12), and the lower end of the fixed sleeve (32) is provided with a through hole; the lower end of the T-shaped sliding rod (33) penetrates through the through hole at the lower end of the fixed sleeve (32) and then is in threaded connection with the upper end of the caster body (31); the elastic piece (34) is arranged between the fixed sleeve (32) and the T-shaped sliding rod (33) and provides upward moving force for the T-shaped sliding rod (33), so that the upper end of the T-shaped sliding rod (33) is attached to the synchronous cam (44) or the driving cam (45).

7. The physiotherapy couch castor lifting mechanism according to claim 6, wherein: the elastic piece (34) is a spring.