CN215944201U

CN215944201U - Synchronous brake mechanism and bedridden patient transfer vehicle

Info

Publication number: CN215944201U
Application number: CN202121075399.1U
Authority: CN
Inventors: 马明建
Original assignee: Luoyang Wellgen Bioengineering Co ltd
Current assignee: Luoyang Wellgen Bioengineering Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-03-04
Anticipated expiration: 2031-05-19

Abstract

The utility model provides a synchronous brake mechanism, is including setting up four truckles in the automobile body bottom, characterized by: a slide bar and a spring are arranged in the fork wheel frame shaft of each caster; the upper end of the sliding rod is provided with a brake disc, the lower end of the sliding rod is provided with a brake pad, and the spring is used for enabling the brake pad to be separated from the contact with the wheel; eccentric wheels are arranged above the brake discs and are connected with a hand brake rod through a transmission mechanism; when the hand brake rod rotates, each eccentric wheel presses down the corresponding brake disc, so that each brake pad is pressed against the corresponding wheel. Compared with the traditional brake mechanism, the synchronous brake mechanism has uniform and large brake force, can solve the problem of brake failure or brake deviation when the transfer vehicle brakes on a slope, and ensures the safety of patients. Compared with the traditional independent brake, the brake pedal for treading four wheels around the vehicle body by medical personnel is avoided, and the brake pedal is particularly important for slope braking. The transfer cart for the bedridden patient is flexible to move and stable and reliable to brake.

Description

Synchronous brake mechanism and bedridden patient transfer vehicle

Technical Field

The utility model relates to the field of medical instruments, in particular to a transfer device capable of stably and reliably transferring a bedridden patient.

Background

The existing movable sickbed or patient transfer vehicle mostly adopts two fixed and two movable castors, and in order to increase the flexibility, the prior movable sickbed or patient transfer vehicle also adopts four movable castors. Regardless of the layout, the current common problem is that each caster only has an independent brake plate, and the cooperative braking cannot be realized. Especially when braking on the ramp, medical personnel can't go to trample the brake block on four truckles around the automobile body, can only trample the brake block on one or two truckles, can cause the braking force little and inhomogeneous, and patient shifts the car and can appear stopping not firmly or brake the off tracking, causes danger to the patient on shifting the car.

For the patient transfer cart, how to easily transfer the patient without increasing the pain of the patient has been a problem troubling medical staff.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the background technology, the utility model discloses a synchronous brake mechanism, which adopts the following technical scheme:

the utility model provides a synchronous brake mechanism, is including setting up four truckles in the automobile body bottom, characterized by: a slide bar and a spring are arranged in the fork wheel frame shaft of each caster; the upper end of the sliding rod is provided with a brake disc, the lower end of the sliding rod is provided with a brake pad, and the spring is used for enabling the brake pad to be separated from the contact with the wheel; eccentric wheels are arranged above the brake discs and are connected with a hand brake rod through a transmission mechanism; when the hand brake rod rotates, each eccentric wheel presses down the corresponding brake disc, so that each brake pad is pressed against the corresponding wheel.

The technical scheme is further improved, a stepped hole with a large upper part and a small lower part is arranged in the fork-shaped wheel frame shaft, a sliding rod and a spring are arranged in the stepped hole, and the sliding rod is connected with the small hole at the lower part of the stepped hole in a sliding fit manner; the spring is a pressure spring which is positioned in a large hole in the upper part of the stepped hole, and the upper end face of the pressure spring is pressed on the brake disc.

According to the technical scheme, the transmission mechanism comprises two transmission shafts and a bearing seat used for mounting the transmission shafts, the four eccentric wheels are respectively connected with two ends of the two transmission shafts, and the two transmission shafts are connected with the brake lever through a transmission pair.

The technical scheme is further improved, the transmission pair is a chain and chain wheel transmission pair, the two transmission shafts are connected through the first chain and chain wheel transmission pair, and one of the transmission shafts is connected with the brake lever through the second chain and chain wheel transmission pair.

The technical scheme is further improved, the transmission pair is a synchronous pulley transmission pair, the two transmission shafts are connected through a first synchronous pulley transmission pair, and one of the transmission shafts is connected with the brake lever through a second synchronous pulley transmission pair.

According to the technical scheme, the brake rod is a steel wire winch, the transmission pair is a rope pulley transmission pair, and the two transmission shafts are connected with the steel wire winch through the rope pulley transmission pair.

According to the technical scheme, the brake pads are arc-shaped plates, and when the hand brake rod rotates, the brake pads are pressed on the rolling surfaces of the corresponding wheels in a propping mode.

According to the technical scheme, the brake pads are fork-shaped inclined plates, and when the hand brake rod rotates, the brake pads are pressed against the side faces of the corresponding wheels.

A transfer vehicle for bedridden patients is provided with the synchronous brake mechanism.

According to the technical scheme, the bedridden patient transfer trolley comprises a transfer bed board for lying a patient and a transfer trolley, wherein the transfer trolley is provided with a hooking and lifting mechanism, and the hooking and lifting mechanism is used for hooking and lifting the transfer bed board.

Due to the adoption of the technical scheme, compared with the background technology, the utility model has the following beneficial effects:

compared with the traditional brake mechanism, the synchronous brake mechanism has uniform and large brake force, can solve the problem of brake failure or brake deviation when the transfer vehicle brakes on a slope, and ensures the safety of patients. Compared with the traditional independent brake, the brake pedal for treading four wheels around the vehicle body by medical personnel is avoided, which is particularly important for slope braking.

The transfer vehicle for the bedridden patient is flexible and reliable to move, convenient to use, free of increasing the pain of the patient and capable of achieving stopping and self-locking at any height.

Drawings

Fig. 1 is a schematic structural diagram of a transfer bed plate.

Fig. 2 is a schematic structural view of the transfer cart.

Fig. 3 is a schematic structural view of the movable caster.

Fig. 4 is a partially enlarged schematic view of fig. 2.

In the figure: 1. transferring the bed plate; 2. a transfer vehicle; 3. a hook body; 4. a manual hoist; 5. rotating the support rod; 6. a synchronous braking mechanism; 61. a slide bar; 62. a brake disc; 63. a brake pad; 64. an eccentric wheel; 65. a drive shaft; 66. a pressure spring; 67. a hand brake lever; 68. the first chain and chain wheel transmission pair; 69. the second chain and chain wheel transmission pair; 7. a movable caster; 71. a fork carriage shaft; 72. and (7) wheels.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "front", "rear", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should also be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

A synchronous brake mechanism is applied to a transfer vehicle for bedridden patients.

As shown in fig. 1-2, the transfer cart for the bedridden patient comprises a transfer bed board 1 and a transfer cart 2, wherein the transfer bed board 1 is used for placing the bedridden patient and is matched with the transfer cart 2 to transfer the bedridden patient. The transfer trolley 2 is provided with a hook hoisting mechanism and a pair of rotary supporting rods, the hook hoisting mechanism comprises a hook body 3 and a manual winch 4, wherein the hook body 3 is used for hooking the transfer bed board 1, and the manual winch 4 is used for hoisting the transfer bed board. The pair of rotary supporting rods 5 is used for supporting the lifted transfer bed board 1, so that the transfer of the patient is safer and more stable.

To increase the flexibility, four casters 7 are mounted on the floor of the transfer car 2. In order to realize the synchronous braking of the four movable caster wheels 7, the transfer cart for the bedridden patient is provided with a synchronous braking mechanism 6. Specifically, as shown in fig. 3, a stepped hole having a large top and a small bottom is provided in the yoke shaft 71 of each caster, and a slide rod 61 and a spring are provided in the stepped hole, wherein the slide rod 61 is connected to the small hole at the bottom of the stepped hole in a sliding fit manner. The upper end of the slide rod 61 is provided with a brake disc 62, and the lower end of the slide rod 61 is provided with a brake pad 63. The spring is a pressure spring 66, the pressure spring 66 is positioned in the large hole at the upper part of the stepped hole, and the upper end face of the pressure spring 66 is pressed against the brake disc 62. The compression spring 66 is used to separate the brake pad 63 from contact with the wheel 72, and in the non-braking state, the compression spring 66 can separate the brake pad 63 from contact with the rolling surface of the wheel 72, thereby reducing the rolling resistance of the wheel 72.

As shown in fig. 4, an eccentric wheel 64 is provided above each brake disc 62, the four eccentric wheels 64 are connected in pairs by two transmission shafts 6565, and the two transmission shafts 65 are mounted on the bottom plate of the transfer cart 2 through bearing blocks. The two transmission shafts 65 are connected through a first chain sprocket transmission pair 68, and one of the transmission shafts 65 is connected with a brake lever 67 arranged on the upright post through a second chain sprocket transmission pair 69. When the hand brake lever 67 is tightened, each eccentric wheel 64 is driven by the chain transmission pair and the transmission shaft 65 to rotate, and the corresponding brake disc 62 is pressed downwards, so that each brake pad 63 is pressed against the corresponding wheel 72, and all four movable caster wheels 7 are in a braking state. Compared with the traditional braking mode, the four-wheel synchronous braking mode has uniform and large braking force, can solve the problem of brake failure or brake deviation when the transfer vehicle brakes on a slope, and ensures the safety of patients.

Based on the same transmission principle, the transmission pair can also be a synchronous pulley transmission pair, two transmission shafts are connected through a first synchronous pulley transmission pair, and one of the transmission shafts is connected with the brake lever through a second synchronous pulley transmission pair. Or the brake rod is a steel wire winch, the transmission pair is a rope pulley transmission pair, and the two transmission shafts are connected with the steel wire winch through the rope pulley transmission pair. Similarly, the brake pads 63 may be fork-shaped inclined plates, and each brake pad 63 is pressed against the side surface of the corresponding wheel 72 when the handbrake lever 67 is rotated.

The details of which are not described in the prior art. 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a synchronous brake mechanism, is including setting up four truckles in the automobile body bottom, characterized by: a slide bar and a spring are arranged in the fork wheel frame shaft of each caster; the upper end of the sliding rod is provided with a brake disc, the lower end of the sliding rod is provided with a brake pad, and the spring is used for enabling the brake pad to be separated from the contact with the wheel; eccentric wheels are arranged above the brake discs and are connected with a hand brake rod through a transmission mechanism; when the hand brake rod rotates, each eccentric wheel presses down the corresponding brake disc, so that each brake pad is pressed against the corresponding wheel.

2. The synchronous brake mechanism according to claim 1, wherein: a stepped hole with a large upper part and a small lower part is arranged in the fork-shaped wheel frame shaft, a sliding rod and a spring are arranged in the stepped hole, and the sliding rod is connected with the small hole at the lower part of the stepped hole in a sliding fit manner; the spring is a pressure spring which is positioned in a large hole in the upper part of the stepped hole, and the upper end face of the pressure spring is pressed on the brake disc.

3. The synchronous brake mechanism according to claim 1, wherein: the transmission mechanism comprises two transmission shafts and a bearing seat used for installing the transmission shafts, the four eccentric wheels are respectively connected with two ends of the two transmission shafts, and the two transmission shafts are connected with the brake lever through a transmission pair.

4. A synchronous brake mechanism as claimed in claim 3, wherein: the transmission pair is a chain and chain wheel transmission pair, two transmission shafts are connected through a first chain and chain wheel transmission pair, and one of the transmission shafts is connected with the brake lever through a second chain and chain wheel transmission pair.

5. A synchronous brake mechanism as claimed in claim 3, wherein: the transmission pair is a synchronous belt pulley transmission pair, the two transmission shafts are connected through a first synchronous belt pulley transmission pair, and one of the transmission shafts is connected with the brake lever through a second synchronous belt pulley transmission pair.

6. A synchronous brake mechanism as claimed in claim 3, wherein: the brake rod is a steel wire winch, the transmission pair is a rope pulley transmission pair, and the two transmission shafts are connected with the steel wire winch through the rope pulley transmission pair.

7. The synchronous brake mechanism according to claim 1, wherein: the brake pads are arc-shaped plates, and when the hand brake rod rotates, each brake pad is pressed on the rolling surface of the corresponding wheel.

8. The synchronous brake mechanism according to claim 1, wherein: the brake pads are fork-shaped inclined plates, and when the hand brake rod rotates, each brake pad is pressed against the side face of the corresponding wheel.

9. A transfer cart for bedridden patients is characterized in that: the synchronous brake mechanism is provided.

10. The sickbed patient transfer cart according to claim 9, characterized in that: comprises a transfer bed board for lying a patient and a transfer vehicle, wherein the transfer vehicle is provided with a hook lifting mechanism which is used for hooking and lifting the transfer bed board.