CN215425667U

CN215425667U - Caster brake device

Info

Publication number: CN215425667U
Application number: CN202121298652.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanghai Zhuizhu Technology Co ltd
Current assignee: Shanghai Zhuizhu Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-01-07
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a caster wheel brake device which comprises a base and a plurality of brake assemblies arranged on the base, wherein the brake assemblies are distributed at intervals along the length direction of the base, each brake assembly comprises a plurality of central control caster wheels, a plurality of driving rods and a driving device, the driving rods correspond to the central control caster wheels one by one, the driving rods are arranged in adjusting holes of the corresponding central control caster wheels, and the driving devices can drive the driving rods to rotate to drive the adjusting holes of the central control caster wheels to rotate so as to lock the central control caster wheels. The caster wheel brake device is simple in structure and convenient to brake and unlock; the driving device is matched with the corresponding transmission structure to drive the central control casters to act simultaneously, so that the effect of quick braking or unlocking is realized.

Description

Caster brake device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a caster wheel brake device of an operating table.

Background

An operation table is one of basic medical device products, and plays an important role in medical device products in orthopedics, surgery, and the like. The operation bed is not only an essential tool for doctors during operation, but also an important tool frequently used by patients during postoperative recovery. With the continuous progress of medical technology, the types and functions of the operating bed are more and more abundant. From the most basic lifting function, extend to functions such as local lifting, rotation, slope, can also have more combined function, can remove when needing, can fix when not needing etc..

For realizing that the operation table removes the function, generally can be at four truckles of bottom installation of operation table, nevertheless current operation table, its truckle is mostly the foot and steps on the brake, or the electric brake etc. of other modes again, and the foot is stepped on brake troublesome poeration, needs the operator to come the time through stepping on all truckles in proper order, and the brake is fixed more troublesome, and if meet the limited brake environment in space, then the brake is more difficult. The electric brake has a complex structure and high cost, and can increase the manufacturing cost of the operating table.

Therefore, in combination with the above-mentioned technical problems, a new technical solution is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a caster wheel brake device of an operating table, which has a simple structure and is convenient to brake and unlock. The driving device is matched with the corresponding transmission structure to drive the central control casters to act simultaneously, so that the effect of quick braking or unlocking is realized.

In order to realize the purpose of the utility model, the utility model provides a caster wheel brake device, which comprises a base and a plurality of brake components arranged on the base, wherein the plurality of brake components are distributed at intervals along the length direction of the base, each brake component comprises a plurality of central control caster wheels, a plurality of driving rods and a driving device, the driving rods correspond to the central control caster wheels one by one, the driving rods are arranged in the adjusting holes of the corresponding central control caster wheels, and the driving device can drive the driving rods to rotate to drive the adjusting holes of the central control caster wheels to rotate so as to lock the central control caster wheels.

Furthermore, a plurality of central control caster wheels in each brake assembly are arranged at intervals along the width direction of the base, mounting holes are formed in the positions, corresponding to the central control caster wheels, of the base respectively, the main shafts of the central control caster wheels penetrate through the corresponding mounting holes, and wheel sets of the central control caster wheels are located below the base.

Further, the position that the base upper end corresponds each mounting hole is provided with first supporting seat and second supporting seat respectively, the mounting hole is located between first supporting seat and the second supporting seat when well accuse truckle is installed in corresponding the mounting hole, the main shaft of well accuse truckle is located between first supporting seat and the second supporting seat, the actuating lever passes in proper order first supporting seat well accuse truckle main epaxial regulation hole with the second supporting seat, the actuating lever respectively with first supporting seat and second supporting seat rotatable coupling.

Furthermore, a first belt wheel is installed on the driving rod, and the driving device and the first belt wheel are in transmission through a transmission belt.

Furthermore, the driving device comprises a driving motor and a transmission rod, wherein a second belt wheel is arranged on the transmission rod corresponding to each first belt wheel, the transmission rod is connected with a rotating shaft of the driving motor, and the first belt wheels and the corresponding second belt wheels are driven by a transmission belt.

Further, the brake assembly further comprises a detection device configured to detect a rotation angle of the transmission rod.

Furthermore, the detection device comprises a first position detection device, a second position detection device and a rotating block, the rotating block is fixedly connected to the transmission rod, and the transmission rod rotates to drive the rotating block to move between the first position detection device and the second position detection device.

Further, the base includes a first base body, a second base body and a connecting rod, a length direction of the connecting rod is consistent with a length direction of the base, two ends of the connecting rod in the length direction are respectively fixedly connected with the first base body and the second base body, and the brake assemblies are respectively arranged on the first base body and the second base body.

Further, the length of the connecting rod is adjustable.

Furthermore, the central control caster is a universal wheel.

Compared with the prior art, the caster wheel brake device is simple in structure and convenient to brake and unlock; the driving device is matched with the corresponding transmission structure to drive the central control casters to act simultaneously, so that the effect of quick braking or unlocking is realized.

Drawings

Fig. 1 is a schematic structural view of a caster brake device according to an embodiment of the present disclosure;

FIG. 2 is a schematic partial structural view of a caster brake apparatus according to an embodiment of the present invention;

figure 3 is a schematic view of the structure of figure 2 in another orientation with one belt removed.

The device comprises a base 1, a first seat 11, a second seat 12, a connecting rod 13, a first connecting rod 131, a second fixing block 1311, a second connecting rod 132, an adjusting knob 133, a central control caster 2, a main shaft 21, an adjusting hole 211, a wheel set 22, a driving rod 3, a first belt wheel 31, a driving device 4, a driving motor 41, a driving rod 42, a second belt wheel 421, a rotating block 422, a first supporting seat 5, a second supporting seat 6, a transmission belt 7, a first position detection device 8 and a second position detection device 9.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the utility model, the following detailed description is given to the specific embodiments, structures, features and effects of the present invention in conjunction with the accompanying drawings and preferred embodiments.

Examples

Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a caster brake device according to an embodiment of the present disclosure; FIG. 2 is a schematic partial structural view of a caster brake apparatus according to an embodiment of the present invention; figure 3 is a schematic view of the structure of figure 2 in another orientation with one belt removed.

The embodiment provides a caster braking device, which comprises a base 1 and a plurality of braking components arranged on the base 1. As shown in fig. 1, a base 1 is schematically shown, which includes a first seat 11, a second seat 12 and a connecting rod 13. The length direction of the connecting rod 13 is consistent with the length direction of the base 1, and two ends of the connecting rod 13 in the length direction are respectively fixedly connected with the first base body 11 and the second base body 12. The connecting rod 13 is preferably designed to be adjustable in length, and can adapt to operating tables with different lengths.

The present embodiment provides a connecting rod with adjustable length. The connecting rod 13 includes a first connecting rod 131 and a second connecting rod 132, one end of the first connecting rod 131 is fixedly connected to the first seat 11, the other end of the first connecting rod 131 is an open end, one end of the second connecting rod 132 is inserted into the inner cavity of the first connecting rod 131 from the open end, and the other end of the second connecting rod 132 is fixedly connected to the second seat 12. An elastic sleeve (not shown in the figure) and an adjusting knob 133 are arranged at the opening end of the first connecting rod 131, the adjusting knob 133 can be a rod-shaped structure with threads such as a screw, the adjusting knob 133 can be rotated to adjust the interference degree between the adjusting knob 133 and the elastic sleeve, and then the adhesion tightness between the elastic sleeve and the second connecting rod 132 is adjusted, so that the second connecting rod 132 is locked or unlocked. In order to fix the elastic sleeve, a first opening may be formed in the first link 131 at a position corresponding to the elastic sleeve, and then a first fixing block may be disposed in the first opening and fixedly connected to the elastic sleeve by a fastening member such as a bolt. In addition, in order to ensure that the second connecting rod 132 moves more smoothly and does not skew when moving in the inner cavity of the first connecting rod 131, a friction plate may be disposed between the first connecting rod 131 and the second connecting rod 132. A second opening may be formed in the pipe wall of the first connecting rod 131, and the friction plate is fixed to the first connecting rod 131 through a second fixing block 1311, and the friction plate passes through the second opening and enters the inner cavity of the first connecting rod 131 to abut against the second connecting rod 132. The end of the second link 132 inserted into the first link 131 may also be provided with a roller to facilitate the adjustment between the links. It should be understood that the shape and the adjustment manner of the base 1 are not limited to the above, and the shape and the adjustment manner of the base 1 can be designed according to the needs in the specific implementation.

The brake components are respectively arranged on the first seat body 11 and the second seat body 12. It should be noted that fig. 1 illustrates that one brake assembly is respectively disposed on the first seat 11 and the second seat 12, but in the implementation, the number of the brake assemblies is not limited thereto, and can be designed according to the needs.

Brake subassembly includes well accuse truckle 2, a plurality of actuating lever 3 and drive arrangement 4 in a plurality of, actuating lever 3 with well accuse truckle 2 one-to-one, actuating lever 3 is installed in the regulation hole 211 that corresponds well accuse truckle 2, drive arrangement 4 can drive actuating lever 3 rotates, drives well accuse truckle 2 regulation hole 211 rotates, and then locks well accuse wheel. The central control caster 2 can be a standard component, the adjusting hole 211 of the central control caster 2 on the main shaft 21 in the general market is a hexagonal hole, a corresponding mechanism is arranged inside the main shaft 21, locking or unlocking is realized by rotating the hexagonal hole, and the rotating angle is usually +/-60 degrees. Correspondingly, the adjusting rod of the application is preferably a hexagonal steel rod. A plurality of central control caster wheels 2 in each brake assembly are arranged at intervals along the width direction of the base 1, mounting holes are formed in the positions, corresponding to the central control caster wheels 2, of the base 1 respectively, main shafts 21 of the central control caster wheels 2 penetrate through the corresponding mounting holes, and wheel sets 22 of the central control caster wheels 2 are located below the base 1. As shown in fig. 1, the caster brake device schematically shown in the figure is provided with four central control casters 2, each group includes two central control casters 2, and in specific implementation, the number of the central control casters 2 can be designed according to needs. To better describe the technical solution, the following description will be made by taking four central casters 2 as an example.

As shown in fig. 2 and 3, the position of the upper end of the base 1 corresponding to each mounting hole is provided with a first supporting seat 5 and a second supporting seat 6, the mounting hole is located between the first supporting seat 5 and the second supporting seat 6, when the central control caster 2 is installed in the corresponding mounting hole, the main shaft 21 of the central control caster 2 is located between the first supporting seat 5 and the second supporting seat 6, the driving rod 3 sequentially passes through the first supporting seat 5, the adjusting hole 211 on the main shaft 21 of the central control caster 2 and the second supporting seat 6, and the driving rod 3 is respectively rotatably connected with the first supporting seat 5 and the second supporting seat 6. The driving rod 3 is provided with a first belt pulley 31, and the driving device 4 and the first belt pulley 31 are driven by a driving belt 7. The drive means 4 comprise a drive motor 41 and a transmission rod 42. As shown in fig. 2 and 3, the driving motor 41 is preferably a worm and gear double-output shaft motor and is located between the two central control casters 2. A transmission rod 42 is fixedly connected to each side of the rotating main shaft 21 of the driving motor 41. And a second belt wheel 421 is arranged on each transmission rod 42 corresponding to each first belt wheel 31, and the first belt wheels 31 and the corresponding second belt wheels 421 are transmitted through a transmission belt 7. The driving motor 41 rotates to drive the two transmission rods 42 to rotate, so that the driving rods 3 in the adjusting holes 211 on the main shafts 21 of the two central control caster wheels 2 are synchronously driven to rotate under the transmission of the two belt wheels and the transmission belt, the caster wheel brake shafts are rotated, and the synchronous unlocking or locking of the two central control caster wheels 2 is realized.

In a further embodiment, the brake assembly further comprises a detection device configured to detect the rotational angle of the drive link 42. As shown in fig. 3, the detecting device includes a first position detecting device 8, a second position detecting device 9, and a rotating block 422, and the rotating block 422 is fixedly connected to the transmission rod 42, preferably fixed at an end position of the transmission rod 42 by a fixing plate. The first position detecting device 8 and the second position detecting device 9 are respectively fixed on one side of the end of the transmission rod 42 through a support to match with the unlocking or locking angle of the central control caster 2, and the positions of the first position detecting device 8 and the second position detecting device 9 on the fixed support are designed, for example, the first position detecting device 8 is arranged right above the rotating block 422 as an initial position, and the second position detecting device 9 is arranged at a position where the rotating block 422 rotates 60 degrees along with the transmission rod 42 as a locking position. After the user triggered the locking switch, drive arrangement 4 ran, the drive the dwang rotates, turning block 422 follows the dwang rotates until reaching the position that triggers of second position detection device 9, drive arrangement 4 stop work, this moment the dwang rotates and drives actuating lever 3 rotates will well accuse truckle 2 is locked. When the central control caster 2 needs to be unlocked, a user triggers the unlocking, the driving device 4 operates and drives the rotating rod to rotate reversely until the rotating block 422 moves back to the starting position of the first position detection device 8, namely the initial position, the driving device 4 stops working, and at the moment, the rotating rod rotates to drive the driving rod 3 to rotate reversely to unlock the central control caster 2.

In a further embodiment, the central caster 2 is preferably a universal wheel, so that the operating table can be moved more conveniently.

Compared with the prior art, the caster wheel brake device is simple in structure and convenient to brake and unlock; the driving device 4 is matched with a corresponding transmission structure to drive the central control caster wheels 2 to act simultaneously, so that the effect of quick braking or unlocking is realized.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a truckle brake equipment, its characterized in that, it includes base (1) and sets up a plurality of brake subassembly on base (1), a plurality of brake subassembly is followed the length direction interval distribution of base (1), brake subassembly includes accuse truckle (2), a plurality of actuating lever (3) and drive arrangement (4) in a plurality of, actuating lever (3) with well accuse truckle (2) one-to-one, install in adjusting hole (211) of accuse truckle (2) in corresponding in actuating lever (3), drive arrangement (4) can drive actuating lever (3) are rotated, drive well accuse truckle (2) are adjusted hole (211) and are rotated, and then lock well accuse truckle (2).

2. The caster brake device according to claim 1, wherein a plurality of central control casters (2) in each brake assembly are respectively arranged at intervals along the width direction of the base (1), the base (1) is provided with mounting holes corresponding to the position of each central control caster (2), the main shaft (21) of each central control caster (2) passes through the corresponding mounting hole, and the wheel set (22) of each central control caster (2) is located below the base (1).

3. The caster brake device according to claim 2, wherein a first supporting seat (5) and a second supporting seat (6) are respectively disposed at a position corresponding to each mounting hole at the upper end of the base (1), the mounting hole is located between the first supporting seat (5) and the second supporting seat (6), when the central control caster (2) is mounted in the corresponding mounting hole, the main shaft (21) of the central control caster (2) is located between the first supporting seat (5) and the second supporting seat (6), the driving rod (3) sequentially passes through the first supporting seat (5), the adjusting hole (211) on the main shaft (21) of the central control caster (2) and the second supporting seat (6), and the driving rod (3) is rotatably connected with the first supporting seat (5) and the second supporting seat (6) respectively.

4. The caster brake device according to claim 3, wherein the driving rod (3) is provided with a first pulley (31), and the driving device (4) and the first pulley (31) are driven by a driving belt (7).

5. The caster brake device as claimed in claim 4, wherein the driving device (4) comprises a driving motor (41) and a transmission rod (42), a second pulley (421) is disposed on the transmission rod (42) corresponding to each first pulley (31), the transmission rod (42) is connected to a rotation shaft of the driving motor (41), and the first pulley (31) and the corresponding second pulley (421) are driven by a transmission belt (7).

6. The caster brake apparatus of claim 5, wherein the brake assembly further comprises a detection device configured to detect a rotation angle of the drive rod (42).

7. The caster brake apparatus as claimed in claim 6, wherein the detecting means comprises a first position detecting means (8), a second position detecting means (9) and a rotating block (422), the rotating block (422) is fixedly connected to the transmission rod (42), and the transmission rod (42) rotates to drive the rotating block to move between the first position detecting means (8) and the second position detecting means (9).

8. The caster brake apparatus of claim 1, wherein the base (1) comprises a first base (11), a second base (12) and a connecting rod (13), a length direction of the connecting rod (13) is identical to a length direction of the base (1), two ends of the connecting rod (13) in the length direction are respectively fixedly connected with the first base (11) and the second base (12), and the brake assemblies are respectively disposed on the first base (11) and the second base (12).

9. The caster brake device as defined in claim 8, wherein the length of the link (13) is adjustable.

10. The caster brake device as defined in claim 8, wherein the central caster (2) is a caster.