CN215229436U

CN215229436U - Movable sickbed

Info

Publication number: CN215229436U
Application number: CN202120999660.0U
Authority: CN
Inventors: 田爱平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-21
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a movable sickbed, comprising a base plate, the top fixedly connected with bed board of bottom plate, the operation groove has been seted up to the inside of bottom plate, the bottom fixedly connected with supporting leg of bottom plate, the middle part of supporting leg is rotated and is connected with the transfer line, the bottom fixedly connected with universal wheel of transfer line, the top fixedly connected with head rod of transfer line. The utility model discloses a rotate the hand wheel to make the hand wheel pass through the axis of rotation, the worm, worm wheel and drive shaft drive action wheel and rotate, and then make the action wheel pass through the chain and drive all from the driving wheel rotation, and when rotating from the driving wheel, can make to drive the transfer line rotation from driving wheel through second connecting rod cooperation movable sleeve and head rod, and then make the transfer line drive the universal wheel and accomplish the switching-over operation, need not great strength can accomplish the operation of switching-over, thereby make the bottom plate be convenient for carry out the switching-over removal.

Description

Movable sickbed

Technical Field

The utility model relates to the technical field of medical sickbeds, in particular to a movable sickbed.

Background

Present clinically, the inspection bed that uses is ordinary portable sick bed usually, because four legs all have the universal wheel, the characteristic of universal wheel can make and exert thrust just can make the universal wheel skew in sick bed one side and turn to, and when the sick bed bears heavier, thrust just need be increaseed from the side is applyed, and through long-time use, ordinary universal wheel can take place to turn to trouble such as not being nimble, it is comparatively difficult when making alone control the sick bed carry out the wide-angle skew, thereby make the sick bed not convenient for remove, this is in busy hospital of work, delay staff's time, be unfavorable for developing of medical work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable sick bed to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a bottom plate, a bed plate is fixedly connected to the top of the bottom plate, an operation groove is formed in the bottom plate, a supporting leg is fixedly connected to the bottom of the bottom plate, a transmission rod is rotatably connected to the middle of the supporting leg, a universal wheel is fixedly connected to the bottom of the transmission rod, a first connecting rod is fixedly connected to the top of the transmission rod, a movable sleeve is movably connected to the surface of the first connecting rod, a second connecting rod is movably connected to the top of the first connecting rod, a driven wheel is fixedly connected to the top of the second connecting rod, a chain is connected to the surface of the driven wheel, a driving wheel is movably connected to the middle of one end, away from the position of the driven wheel, of the chain, a driving shaft is fixedly connected to the bottom of the driving wheel, the driving shaft movably penetrates through and extends to the bottom of the bottom plate, a worm wheel is fixedly connected to the surface of the driving shaft, and a worm is meshed with the surface of the worm wheel, and the middle part of the worm is fixedly connected with a rotating shaft.

Preferably, the number of the supporting legs is four, the four supporting legs are respectively and fixedly connected to the four corners of the bottom plate, and the supporting legs fixedly penetrate through the bottom plate and extend to the inside of the operation groove.

Preferably, the transmission rod movably penetrates through and extends to two ends of the supporting leg through the bearing, and the diameter of the transmission rod is larger than that of the first connecting rod.

Preferably, the bottom of the bottom plate corresponding to the position of the driving shaft is fixedly connected with an operation box, and the rotating shaft movably penetrates through the bearing and extends to the front side end of the operation box.

Preferably, the drive shaft passes through the bearing and rotates the bottom of connecting at the bottom plate, and the drive shaft passes through the bearing and rotates the bottom of connecting at the control box inner wall, the front side end fixedly connected with hand wheel of axis of rotation.

Preferably, the tops of the driven wheel and the driving wheel are respectively and rotatably connected with a supporting rod through a bearing, and the supporting rod is fixedly connected to the inner wall of the operation groove.

Preferably, the four movable sleeves are divided into two groups, the surfaces of the two movable sleeves in each group are respectively provided with a draw bar in a rotating mode through a bearing, the draw bars movably penetrate through and extend to the top of the bottom plate, the first connecting rod and the second connecting rod are of diamond structures, the inner walls of the movable sleeves are of diamond structures, and the inner walls of the movable sleeves are matched with the first connecting rod and the second connecting rod in size.

Preferably, the surface of the traction rod is fixedly connected with a damping spring, the damping spring is fixedly connected to the top of the inner wall of the operation groove, the middle of the traction rod is in threaded connection with a threaded rod, and the threaded rod is rotatably connected to the top of the bottom plate through a bearing.

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

1. the utility model discloses a rotate the hand wheel to make the hand wheel drive the action wheel through axis of rotation, worm wheel and drive shaft and rotate, and then make the action wheel drive all from the driving wheel rotation through the chain, and when from the driving wheel rotation, can make from the driving wheel drive the transfer line rotation through second connecting rod cooperation movable sleeve and head rod, and then make the transfer line drive the universal wheel and accomplish the switching-over operation, need not great strength can accomplish the operation of switching-over, thereby make the bottom plate be convenient for carry out the switching-over removal;

2. the utility model also has the advantages that the worm wheel and the worm are arranged, the direction change can be limited, the reverse change caused by the influence of external force can be prevented, the threaded rod is rotated to drive the traction rod to move upwards, and when the traction rod drives the movable sleeve to move upwards, the movable sleeve is sleeved between the first connecting rod and the second connecting rod, and when the driven wheel rotates, the second connecting rod is matched with the movable sleeve and the first connecting rod to drive the transmission rod to rotate, when the draw bar drives the movable sleeve to move downwards, the movable sleeve is sleeved on the surface of the first connecting rod, and the movable sleeve is separated from the second connecting rod, at the moment, the reorganization transmission rod can be in a movable state without being controlled by the reversing of the hand wheel, therefore, the purpose of separately controlling the front and the rear universal wheels can be realized, and the bottom plate is more convenient to move.

Drawings

FIG. 1 is a front sectional view of the overall structure of a movable hospital bed of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 of the mobile sickbed of the present invention;

fig. 3 is a front view of the overall structure of the movable hospital bed of the present invention.

In the figure: 1. a base plate; 2. a bed board; 3. an operation slot; 4. supporting legs; 5. a transmission rod; 6. a universal wheel; 7. a first connecting rod; 8. a movable sleeve; 9. a second connecting rod; 10. a driven wheel; 11. a chain; 12. a driving wheel; 13. a drive shaft; 14. an operation box; 15. a worm gear; 16. a worm; 17. a rotating shaft; 18. a hand wheel; 19. a support bar; 20. a draw bar; 21. a damping spring; 22. a threaded rod.

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.

Referring to fig. 1-3, the present invention provides a technical solution: comprises a bottom plate 1, a bed plate 2 is fixedly arranged at the top of the bottom plate 1, an operation groove 3 is arranged in the bottom plate 1, a supporting leg 4 is fixedly arranged at the bottom of the bottom plate 1, the middle part of the supporting leg 4 is rotatably connected with a transmission rod 5, a universal wheel 6 is fixedly arranged at the bottom of the transmission rod 5, a first connecting rod 7 is fixedly arranged at the top of the transmission rod 5, a movable sleeve 8 is movably connected to the surface of the first connecting rod 7, a second connecting rod 9 is movably connected to the top of the first connecting rod 7, a driven wheel 10 is fixedly arranged at the top of the second connecting rod 9, a chain 11 is connected to the surface of the driven wheel 10, a driving wheel 12 is connected to the middle part of one end of the chain 11 far away from the position of the driven wheel 10 in a transmission manner, a driving shaft 13 is fixedly arranged at the bottom of the driving wheel 12, the driving shaft 13 movably penetrates through and extends to the bottom of the bottom plate 1, and a worm wheel 15 is fixedly arranged on the surface of the driving shaft 13, the worm wheel 15 is engaged with a worm 16 on the surface, and a rotating shaft 17 is fixedly arranged in the middle of the worm 16.

The quantity of supporting leg 4 is four, and four supporting legs 4 are fixed mounting respectively in the four corners position of bottom plate 1 bottom, and supporting leg 4 is fixed to run through bottom plate 1 and extends to the inside of operation groove 3.

The transmission rod 5 movably penetrates through the bearing and extends to the two ends of the supporting leg 4, and the diameter of the transmission rod 5 is larger than that of the first connecting rod 7.

The bottom of the bottom plate 1 corresponding to the position of the driving shaft 13 is fixedly provided with an operation box 14, and a rotating shaft 17 movably penetrates through the operation box 14 through a bearing and extends to the front side end of the operation box 14.

The driving shaft 13 is rotatably connected to the bottom of the bottom plate 1 through a bearing, the driving shaft 13 is rotatably connected to the bottom of the inner wall of the operation box 14 through a bearing, and a hand wheel 18 is fixedly mounted at the front side end of the rotating shaft 17.

The tops of the driven wheel 10 and the driving wheel 12 are respectively and rotatably connected with a supporting rod 19 through bearings, and the supporting rod 19 is fixedly arranged on the inner wall of the operation groove 3.

The four movable sleeves 8 are divided into two groups, the surfaces of the two movable sleeves 8 in each group are respectively provided with a draw bar 20 in a rotating mode through a bearing, the draw bars 20 movably penetrate through and extend to the top of the bottom plate 1, the first connecting rods 7 and the second connecting rods 9 are of diamond structures, the inner walls of the movable sleeves 8 are of diamond structures, and the inner walls of the movable sleeves 8 are matched with the first connecting rods 7 and the second connecting rods 9 in size.

The surface of the traction rod 20 is fixedly provided with a damping spring 21, the damping spring 21 is fixedly arranged at the top of the inner wall of the operation groove 3, the middle part of the traction rod 20 is in threaded connection with a threaded rod 22, and the threaded rod 22 is rotatably connected to the top of the bottom plate 1 through a bearing.

The working principle is as follows: when in use, the utility model rotates the hand wheel 18, and makes the hand wheel 18 drive the worm 16 to rotate through the rotating shaft 17, and further makes the worm 16 drive the driving shaft 13 to rotate through the worm wheel 15, and when the driving shaft 13 rotates, the driving shaft 13 can drive the driving wheel 12 to rotate, and further makes the driving wheel 12 drive all the driven wheels 10 to rotate through the chain 11, because the driven wheels 10 and the driving wheel 12 are driven through the chain 11, the rotating direction of the driven wheels 10 and the driving wheel 12 is the same as the rotating direction of the driving shaft 13, and when the driven wheels 10 rotate, the driven wheels 10 can drive the transmission rod 5 to rotate through the second connecting rod 9 matching with the movable sleeve 8 and the first connecting rod 7, and further makes the transmission rod 5 drive the universal wheel 6 to complete the reversing operation, and the reversing operation can be completed without large strength, thereby making the bottom plate 1 convenient for reversing movement, the worm wheel 15 and the worm 16 are arranged, so that the direction change can be limited, the reverse change caused by the influence of external force is prevented, the threaded rod 22 is rotated to drive the traction rod 20 to move upwards, the movable sleeve 8 is sleeved between the first connecting rod 7 and the second connecting rod 9 when the traction rod 20 drives the movable sleeve 8 to move upwards, the driven wheel 10 rotates at the moment, the transmission rod 5 is driven to rotate by the second connecting rod 9 in a way of matching the movable sleeve 8 with the first connecting rod 7, the movable sleeve 8 is sleeved on the surface of the first connecting rod 7 when the traction rod 20 drives the movable sleeve 8 to move downwards, the movable sleeve 8 is separated from the second connecting rod 9, the transmission rod 5 can be changed into a movable state at the moment, the control of reversing of the hand wheel 18 is avoided, and the purpose of separately controlling the front and rear universal wheels 6 can be realized, making the soleplate 1 more convenient to move.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A movable hospital bed, comprising a base plate (1), characterized in that: the top of the bottom plate (1) is fixedly provided with a bed plate (2), an operation groove (3) is formed in the bottom of the bottom plate (1), supporting legs (4) are fixedly arranged at the bottom of the bottom plate (1), a transmission rod (5) is arranged at the middle of each supporting leg (4) in a rotating mode, universal wheels (6) are fixedly arranged at the bottom of each transmission rod (5), a first connecting rod (7) is fixedly arranged at the top of each transmission rod (5), a movable sleeve (8) is arranged on the surface of each first connecting rod (7), a second connecting rod (9) is movably arranged at the top of each first connecting rod (7), a driven wheel (10) is fixedly arranged at the top of each second connecting rod (9), a chain (11) is arranged in the surface transmission of the driven wheel (10), and a driving wheel (12) is arranged in the middle transmission of one end, far away from the position of the driven wheel (10), of each chain (11), the fixed drive shaft (13) that is provided with in bottom of action wheel (12), the bottom of drive shaft (13) activity run through and extend to bottom plate (1), the fixed surface of drive shaft (13) is provided with worm wheel (15), the surface meshing of worm wheel (15) has worm (16), the fixed axis of rotation (17) that is provided with in middle part of worm (16).

2. The mobile hospital bed according to claim 1, wherein: the quantity of supporting leg (4) is four, and four supporting legs (4) are fixed connection respectively in the four corners position of bottom plate (1) bottom, supporting leg (4) are fixed to run through bottom plate (1) and extend to the inside of operation groove (3).

3. The mobile hospital bed according to claim 1, wherein: the transmission rod (5) penetrates through the bearing movably and extends to the two ends of the supporting legs (4), and the diameter of the transmission rod (5) is larger than that of the first connecting rod (7).

4. The mobile hospital bed according to claim 1, wherein: the bottom of the bottom plate (1) corresponding to the position of the driving shaft (13) is fixedly connected with an operation box (14), and the rotating shaft (17) movably penetrates through the bearing and extends to the front side end of the operation box (14).

5. The mobile hospital bed according to claim 1, wherein: the drive shaft (13) is rotatably connected to the bottom of the bottom plate (1) through a bearing, the drive shaft (13) is rotatably connected to the bottom of the inner wall of the operation box (14) through a bearing, and a hand wheel (18) is fixedly connected to the front side end of the rotating shaft (17).

6. The mobile hospital bed according to claim 1, wherein: the top of driven wheel (10) and action wheel (12) is equallyd divide and is connected with bracing piece (19) through the bearing rotation, bracing piece (19) fixed connection is at the inner wall of operation groove (3).

7. The mobile hospital bed according to claim 1, wherein: four movable sleeve (8) divide into two sets ofly, and the surface of every two movable sleeve of group (8) all rotates through the bearing has traction lever (20), traction lever (20) activity runs through and extends to the top of bottom plate (1), head rod (7) and second connecting rod (9) are the rhombus structure, the inner wall of movable sleeve (8) is the rhombus structure, and the size of movable sleeve (8) inner wall and the big or small looks adaptation of head rod (7) and second connecting rod (9).

8. The mobile hospital bed according to claim 7, wherein: the surface fixed connection of traction lever (20) has damping spring (21), and damping spring (21) fixed connection is at the top of operation groove (3) inner wall, the middle part threaded connection of traction lever (20) has threaded rod (22), threaded rod (22) rotate through the bearing and connect the top at bottom plate (1).