CN217207586U - Upper limb muscle strength training mechanism with brake system - Google Patents

Abstract

The utility model relates to the field of rehabilitation medical equipment, in particular to an upper limb muscle strength training mechanism with a brake system, which comprises a frame, a power unit, a training unit and a brake system, wherein the power unit is connected with the training unit through a connecting shaft, the connecting shaft and the power unit are connected through a poly-wedge belt, the brake system comprises a mounting plate and two vertical plates arranged below the mounting plate, a poly-wedge belt wheel and a set of tension wheel are arranged between the two vertical plates, and the poly-wedge belt passes through the tension wheel and then is wound on the poly-wedge belt wheel; the multi-wedge belt pulley is sleeved on the first rotating shaft, one end of the first rotating shaft penetrates out of the vertical plate and is connected with a clutch, and the tensioning wheel is sleeved on the second rotating shaft through a bearing. The utility model discloses pertinence has been solved when equipment power interruption and resume the circular telegram back, and the problem of training unit state when stopping should be kept avoids causing the injury to the user, and the security is high.

Description

Upper limb muscle strength training mechanism with brake system

Technical Field

The utility model relates to a recovered medical instrument field, concretely relates to take braking system upper limbs muscle training mechanism.

Background

For patients with upper limb hemiplegia caused by cerebral apoplexy, the later rehabilitation therapy is very critical, and the self-care ability of the patients can be improved and the later life quality of the patients can be improved by carrying out long-term scientific rehabilitation training. In real life, the upper limbs hemiplegia patient mostly carries out the rehabilitation training with the help of the upper limbs muscle training mechanism that has possessed in daily life in the rehabilitation training process, patent document for example with application number CN2016210014838 discloses an upper limbs muscle training device, greatly made things convenient for patient's rehabilitation training, however current upper limbs muscle training mechanism lacks braking system, after equipment power supply interruption and recovery circular telegram, the training unit can not keep the state when stopping, cause the injury to the user easily, there is great safety problem, need to improve urgently. Therefore, designing an upper limb muscle strength training mechanism with a braking system becomes a technical problem to be solved by the technical personnel in the field.

Disclosure of Invention

The utility model discloses a solve present upper limbs muscle training mechanism and lack braking system, after equipment power supply interruption and resume the circular telegram, the training unit can not keep the state when stopping, causes the injury to the user easily, has great safety problem, has provided a take braking system upper limbs muscle training mechanism, after equipment power supply interruption and resume the circular telegram, the training unit all keeps the state when stopping, avoids causing the injury to the user.

In order to realize the purpose, the technical scheme of the utility model is that:

an upper limb muscle strength training mechanism with a brake system comprises a rack, and a power unit, a training unit and a brake system which are arranged on the rack, wherein the power unit is connected with the training unit through a connecting shaft;

the multi-wedge belt wheel is sleeved on a first rotating shaft through an inner hole, the first rotating shaft is installed on the vertical plate through a first bearing, and one end of the first rotating shaft penetrates out of the vertical plate and is connected with a clutch; the tensioning wheel is arranged on a second rotating shaft through a bearing sleeve, a first spacer bush is arranged between the bearing I and the multi-wedge belt wheel, the second rotating shaft penetrates through the vertical plates through the second spacer bush, and one end of the second rotating shaft penetrates out of the second spacer bush and is locked through a nut.

Further, the number of the tension pulleys is two, so that the tightness of the V-ribbed belt can be effectively adjusted.

Further, the clutch is fixed on the vertical plate.

Furthermore, the other end of the first rotating shaft is provided with a cover plate, and the cover plate is fixed on the vertical plate and plays a limiting role in limiting the first rotating shaft.

Furthermore, the multi-wedge belt wheel is connected with the first rotating shaft through a flat key, so that the multi-wedge belt wheel is convenient to disassemble and assemble.

Furthermore, a pressing plate is arranged between the nut and the second spacer bush to prevent the nut from loosening.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses well braking system installs in the frame, and the polywedge bet passes take-up pulley and polywedge band pulley in proper order, simultaneously through setting up the clutch in braking system, has pertinence solved when the equipment power supply interrupt and resume the circular telegram after, the problem of the state when the training unit should keep stopping avoids causing the injury to the user, and the security is high, braking system's simple structure, easy realization moreover.

Drawings

Fig. 1 is a schematic diagram of the upper limb muscle strength training mechanism with the braking system of the utility model.

Fig. 2 is a schematic perspective view of the braking system in the upper limb muscle strength training mechanism with the braking system of the utility model.

Fig. 3 is the left side view of the braking system in the upper limb muscle strength training mechanism with the braking system of the utility model.

Fig. 4 is a schematic sectional view of a position a-a in the upper limb muscle strength training mechanism diagram 3 with a braking system of the present invention.

Fig. 5 is a schematic sectional view of the position B-B in the upper limb muscle strength training mechanism diagram 3 with a braking system of the present invention.

The reference numbers in the drawings are as follows:

the device comprises a frame 1, a training unit 2, a connecting shaft 3, a V-ribbed belt 4, a mounting plate 5, a vertical plate 6, a V-ribbed belt wheel 7, a tension wheel 8, a first rotating shaft 9, a first bearing 10, a clutch 11, a second bearing 12, a second rotating shaft 13, a first spacer bush 14, a second spacer bush 15, a nut 16, a cover plate 17, a flat key 18 and a pressing plate 19.

Detailed Description

The invention will be further explained with reference to the drawings and the detailed description below:

in the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "lateral", "vertical", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

As shown in fig. 1 to 5, an upper limb muscle strength training mechanism with a braking system includes a frame 1, and a power unit, a training unit 2 and a braking system which are mounted on the frame 1, wherein the power unit is connected with the training unit 2 through a connecting shaft 3, the connecting shaft 3 is connected with the power unit through a poly-wedge belt 4, the braking system includes a mounting plate 5 and two vertical plates 6 disposed below the mounting plate 5, a poly-wedge belt wheel 7 and a set of tension wheels 8 are disposed between the two vertical plates 6, the set of tension wheels 8 are disposed on the same side of the poly-wedge belt wheel 7, and the poly-wedge belt 4 is wound on the poly-wedge belt wheel 7 after passing through the tension wheels 8.

Specifically, referring to fig. 4 again, the multi-wedge pulley 7 is sleeved on the first rotating shaft 9 through the inner hole, the first rotating shaft 9 is installed on the vertical plate 6 through the first bearing 10, and one end of the first rotating shaft 9 penetrates out of the vertical plate 6 and is connected with a clutch 11.

Referring to fig. 5 again, the tension pulley 8 is sleeved on the second rotating shaft 13 through the second bearing 12, a first spacer 14 is arranged between the first bearing 10 and the multi-wedge pulley 7, the second rotating shaft 13 penetrates between the vertical plates 6 through the second spacer 15, and one end of the second rotating shaft 13 penetrates outside the second spacer 15 and is locked by a nut 16.

In this embodiment, the number of the tensioning wheels 8 is two, so that the tightness of the v-ribbed belt 4 can be effectively adjusted, and the stability of power transmission is ensured.

It should be noted that, on one hand, the clutch 11 is fixed on the vertical plate 6, and on the other hand, the other end of the first rotating shaft 9 is provided with a cover plate 17, and the cover plate 17 is fixed on the vertical plate 6, so as to limit the first rotating shaft 9.

In addition, the multi-wedge belt wheel 7 is connected with the first rotating shaft 9 through a flat key 18, so that the multi-wedge belt wheel is convenient to disassemble and assemble, and meanwhile, a pressing plate 19 is arranged between the nut 16 and the second spacer sleeve 15, so that the nut 16 is further prevented from loosening.

In practical application, please refer to fig. 1 again, the power unit is connected with the training unit 2 through the connecting shaft 3, the connecting shaft 3 is connected with the power unit through the poly-wedge belt 4, the braking system is installed on the frame 1, please refer to fig. 3 again, the poly-wedge belt 4 passes through the tension pulley 8 and is wound on the poly-wedge belt pulley 7, when a patient trains, the tension pulley 8, the poly-wedge belt pulley 7 and the poly-wedge belt 4 are all in a rotating state, at this time, the poly-wedge belt 4 transmits power generated by the power unit to the training unit 2 through the connecting shaft 3, on one hand, when the power supply of the equipment is interrupted, the clutch 11 is closed, the first rotating shaft 9 immediately stops rotating, the poly-wedge belt 4 sleeved on the first rotating shaft also immediately stops moving, and the training unit 2 is kept in a stopped state; on the other hand, after the device is powered on again, the clutch 11 is still in a closed state, only when the start button on the device is clicked, the clutch 11 can be started, then the multi-wedge belt wheel 7 drives the multi-wedge belt 4 to rotate, and the training unit 2 starts to act.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims (6)

1. An upper limb muscle strength training mechanism with a brake system comprises a rack (1), and a power unit, a training unit (2) and the brake system which are installed on the rack (1), wherein the power unit is connected with the training unit (2) through a connecting shaft (3), the connecting shaft (3) is connected with the power unit through a multi-wedge belt (4), the upper limb muscle strength training mechanism is characterized in that the brake system comprises an installation plate (5) and two vertical plates (6) arranged below the installation plate (5), a multi-wedge belt wheel (7) and a group of tension wheels (8) are arranged between the two vertical plates (6), the group of tension wheels (8) are positioned on the same side of the multi-wedge belt wheel (7), and the multi-wedge belt (4) passes through the tension wheels (8) and then is wound on the multi-wedge belt wheel (7);

the multi-wedge belt wheel (7) is sleeved on a first rotating shaft (9) through an inner hole, the first rotating shaft (9) is installed on the vertical plate (6) through a first bearing (10), and one end of the first rotating shaft (9) penetrates out of the vertical plate (6) and is connected with a clutch (11); the tensioning wheel (8) is sleeved on the second rotating shaft (13) through the second bearing (12), a first spacer sleeve (14) is arranged between the first bearing (10) and the multi-wedge belt wheel (7), the second rotating shaft (13) penetrates through the second spacer sleeve (15) and is arranged between the vertical plates (6), and one end of the second rotating shaft (13) penetrates out of the second spacer sleeve (15) and is locked through a nut (16).

2. The upper limb muscle training mechanism with the braking system as claimed in claim 1, wherein the number of the tensioning wheels (8) is two.

3. The upper limb muscle strength training mechanism with the braking system as claimed in claim 1, wherein the clutch (11) is fixed on the vertical plate (6).

4. The upper limb muscle strength training mechanism with the braking system as claimed in claim 1, wherein a cover plate (17) is arranged at the other end of the first rotating shaft (9), and the cover plate (17) is fixed on the vertical plate (6).

5. The upper limb muscle strength training mechanism with the braking system as claimed in claim 1, wherein the multi-wedge belt wheel (7) and the first rotating shaft (9) are connected through a flat key (18).

6. The upper limb muscle strength training mechanism with the braking system as claimed in claim 1, wherein a pressure plate (19) is arranged between the nut (16) and the second spacer sleeve (15).

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