WO2020124653A1 - Safe and reliable upper limb exercise device - Google Patents

Abstract

Disclosed is a safe and reliable upper limb exercise device, comprising a base plate (1), wherein two sets of upper limb exercise units (2) are symmetrically arranged on two sides of an upper portion of the base plate (1), and a support unit (3) is arranged on the upper portion of the bottom plate (1) between the two sets of upper limb exercise units (2). The safe and reliable upper limb exercise device has a better applicability, and can satisfy the exercise habits of users of different ages, and same has a better safety performance, and can prevent the elderly users from accidentally falling down when they are using the device, such that the personal safety of elderly users is ensured, and the burden on the elderly users can be reduced and the physical strength of the elderly users is reserved in order to prevent the dangers posed by the overexertion of the physical strength of elderly users. For the elderly users with rotator cuff injuries, the muscle tissue involved in the rotator cuff injury can gradually recover after exercising by using the device for four to five months, and the upper limbs of elderly users can be restored to health, such that elderly users can keep their bodies healthy, and can further maintain a pleasant mood, thereby improving the life quality of elderly users.

Description

Safe and reliable upper limb exercise device Technical field

The invention relates to the technical field of physical exercise equipment, and more specifically, it relates to a safe and reliable upper limb exercise device.

Background technique

When you get old, your body always loves something wrong, but if you maintain the habit of long-term exercise, you can make your body healthier, especially when you are 65-70 years old, your upper limbs often show shoulder sleeves due to long-term fatigue when you are young. Injuries affect the quality of life of the elderly, and the best way to treat rotator cuff injuries is through long-term exercise to repair the damaged muscle tissue.

However, the existing elderly upper limb exercise device has poor applicability, cannot meet the exercise habits of different elderly users, has poor safety performance, cannot prevent elderly users from falling accidents during exercise, and cannot guarantee the personal safety of elderly users. , The existing elderly upper limb exercise device, the elderly users generally stand on the ground for exercise, which makes the elderly users have to bear the burden of the body, and consumes a lot of physical strength of the elderly users, which is easy to cause the elderly users to be dangerous due to overdrawn physical strength. The existing elderly upper limb exercise device is not designed for elderly users suffering from rotator cuff injuries, so that the elderly users suffering from rotator cuff injuries will not be able to recover the muscle tissue of the rotator cuff injuries even after long-term exercise. Affects the quality of life of elderly users with rotator cuff injuries.

Summary of the invention

In view of the shortcomings of the existing technology, the object of the present invention is to provide a safe and reliable upper limb exercise device, which has good applicability, can meet the exercise habits of different elderly users, has good safety performance, and can prevent elderly users from using the device The accident of falling occurs to ensure the personal safety of the elderly users, which can reduce the burden of the elderly users, save the physical strength of the elderly users, and prevent the elderly users from being dangerous due to overstretched physical strength. For the elderly users with shoulder sleeve injury , The exercise through this device helps self-repair of the rotator cuff injury. After using the device for four to five months of exercise, the muscle tissue of the rotator cuff injury can gradually recover, and the upper limbs of the elderly user can be restored to health. This allows elderly users to maintain a healthy body, and thus maintain a happy mood, thereby improving the quality of life of elderly users.

To achieve the above objectives, the present invention provides the following technical solutions:

A safe and reliable upper limb exercise device includes a bottom plate, two sets of upper limb exercise units are symmetrically arranged on both sides of the upper part of the bottom plate, and a support unit is provided between the two sets of upper limb exercise units on the upper part of the bottom plate;

The two groups of the upper limb exercise units each include a boss fixedly installed on the upper part of the bottom plate, a slide slot is opened on the upper surface of the boss, and a slider is slidingly installed inside the slide slot. A pole is fixedly installed on the upper surface, a U-shaped bracket is fixedly installed on the upper end of the pole, and a support block is fixedly installed on the upper part of the U-shaped bracket through an adjustment bolt, and a fixed block is fixedly installed on the upper surface of the support block A connecting rod, a disc is installed on the upper end of the connecting rod through a first rolling bearing, and a handle is installed on the upper surface of the disc through a rotating shaft;

The support unit includes a square shell fixedly installed on the upper part of the bottom plate and a support plate. A flat plate is movably installed inside the square shell, and a vertically-arranged screw is screwed to the middle position of the flat plate. The bottom end of the screw rod is mounted on the inner bottom of the square housing through a second rolling bearing, and the outer part of the screw rod is located below the flat plate and a turbine is fixedly installed, the turbine and the worm mesh with each other, the worm It is fixedly installed in the inside of the square housing by a third rolling bearing, and one end of the worm extends to the outside of the square housing, a crank is connected, the support plate is located directly above the square housing, and The bottom of the support plate is fixedly connected to the upper portion of the flat plate through two support rods.

By adopting the above technical solution, the support unit is used to support the elderly user to sit on the upper part, which can reduce the burden of the elderly user and save the physical strength of the elderly user. The upper limb exercise unit is used for the elderly user to perform upper limb exercise. The elderly user is using the upper limb exercise unit When doing upper limb exercise, you can hold the handle to rotate the disc, so that the two arms make circular rotation movements. For elderly users suffering from rotator cuff injuries, this type of exercise helps self-repair of the rotator cuff injuries. After using the device for four to five months of exercise, the muscle tissue damaged by the rotator cuff can be gradually recovered, and the upper limbs of the elderly user can be restored to health, so that the elderly user can maintain a healthy body, and thus maintain a happy mood, thereby improving the elderly. The quality of life of the user, in addition, the support unit adopts an adjustable design and the upper extremity exercise unit adopts horizontal front and rear adjustment settings, so that the device can meet the needs of elderly users of different heights for upper extremity exercise, and at the same time, the disc can be adjusted by adjusting the bolt The inclination angle is to meet the exercise habits of different elderly users, so that the device has good applicability.

Further, a limiting groove communicating with the sliding groove is further provided on the outer surface of the boss, and a fastening bolt is movably installed inside the limiting groove, and the fastening bolt is close to the slider Is screwed into the inside of the slider.

By adopting the above technical solution, it is convenient to lock the position of the slider inside the chute by tightening the fastening bolts, which can prevent the slider from moving back and forth inside the chute, thereby avoiding affecting the use of upper limbs by elderly users.

Further, the bottom of the support block has an arc-shaped structure, and a mounting hole matching the adjustment bolt is opened inside the bottom of the support block.

By adopting the above technical solution, the support block can be easily rotated when the fastening bolt is loosened, so that the inclination angle of the disc can be easily adjusted to meet the exercise habits of different elderly users. The setting of the mounting hole makes the support block easy to pass The fastening bolt is installed inside the upper part of the U-shaped bracket.

Further, the upper end of the screw rod is also fixedly installed with a limit block, and the height of the screw rod is not higher than the height of the square housing.

By adopting the above technical solution, the limit block can prevent the flat plate from escaping from the screw rod to ensure the structural stability of the device.

Further, the support unit further includes a wavy enclosure, and the wavy enclosure is fixedly installed on the upper part of the support plate.

By adopting the above technical solution, the masonry hoarding plays a protective role, which can prevent the elderly users from falling accidents when using the device, thereby ensuring the personal safety of the elderly users, thereby making the device safe and reliable.

Further, a strap made of an elastic band is fixedly connected to one outer surface of the wavy-shaped enclosure, and a female plug is fixedly connected to the other outer surface of the wavy-shaped enclosure, the strap is away from all A male buckle matched with the female buckle is fixedly connected to one end of the wavy type hoarding.

By adopting the above technical solution, the strap is used to fix the upper body of the elderly user to the inside of the wavy enclosure, which can effectively prevent the elderly user from falling from the upper part of the support plate. The male and female buckles are used together to make the binding The strap is easy to use.

Further, an upper part of the bottom plate is located between two groups of the upper limb exercise units, and a non-slip rubber pad is adhered, and a plurality of non-slip protrusions are evenly arranged on the upper surface of the non-slip rubber pad.

By adopting the above technical solution, the anti-slip rubber pad cooperates with the anti-slip protrusions, which has a good anti-slip effect, can prevent the elderly users from slipping when stepping on the upper part of the bottom plate, and thus effectively prevent the elderly users from slipping when using the device.

Further, the bottom plate is a square bottom plate, and the bottom of the bottom plate is symmetrically provided with four shock-absorbing feet at four corners, and the four shock-absorbing feet include a cylinder body fixedly installed on the bottom of the bottom plate and located on the cylinder A circular rubber plate directly below the body, the upper end of the cylinder is a closed structure, and an end cover is fixedly installed at the bottom end of the cylinder, and the first circle is movably installed inside the cylinder in order from top to bottom Shaped guide block, spring, second round guide block and support column, the upper end of the spring is in contact with the bottom of the first round guide block, and the bottom end of the spring is in contact with the second round guide The upper part of the block is in conflict, the upper end of the support column is fixedly connected to the bottom of the second circular guide block, and the bottom end of the support column extends through the end cover to the outside of the bottom of the barrel The upper part of the circular rubber plate is fixedly connected.

By adopting the above technical solution, the shock-absorbing feet have better elasticity under the action of the spring, so as to achieve the effect of shock absorption, which can prevent the device from generating large vibrations during use, and at the same time, the first circular guide block Under the guidance of the second circular guide block, the structure of the shock-absorbing foot is relatively stable, not easy to damage, and has a long service life.

Further, the inner surface roughness of the cylinder, the surface roughness of the first circular guide block and the surface roughness of the second circular guide block, and the surface roughness of the support column are not greater than Ra0.3.

By adopting the above technical solution, not only can the wear of the cylinder, the first and second circular guide blocks and the support column be reduced, but also the cylinder and the first and second circular guide blocks can be reduced And the friction between the support columns, which in turn makes the shock absorption effect of the shock absorption feet better.

Further, a protective sleeve is further provided on the outside of the handle, and the protective sleeve is prepared by the following method:

Weigh the following raw materials in parts by weight: 30-40 parts of methyl vinyl phenyl silicone rubber, 15-20 parts of polyurethane, 10-12 parts of calcium carbonate powder, 15-20 parts of phenol resin powder, p-benzene Diamine 2-4 parts, triethanolamine 2-4 parts, paraffin oil 3-5 parts, tricresyl phosphate 3-5 parts;

S1. Add the weighed methyl vinyl phenyl silicone rubber and polyurethane into the pulverizer for pulverization. The speed of the pulverizer is set to 600-800 r/min to prepare a pulverized mixture and pulverize The particle diameter of the mixture is 4-10mm;

S2. Add the pulverized mixture prepared in step S1 to an internal mixer for internal mixing. The temperature of the internal mixer is set at 180-200°C, the rotational speed is set at 700-800r/min, and the internal mixing time is 25- 35min, to prepare densely mixed materials;

S3. Add the mixed material and calcium carbonate powder, phenol resin powder, p-phenylenediamine, triethanolamine, paraffin oil, and tricresyl phosphate prepared in step S2 to the reaction kettle for stirring and mixing. The temperature is set to 200-220℃, the speed is set to 900-1000r/min, the time is set to 15-20min, and the glued material is prepared;

S4. Add the glue material prepared in step S3 to an ultrasonic disperser for dispersion. The power of the ultrasonic disperser is set to 220-240W, the temperature is set to 140-160°C, and the dispersion time is set to 15-20min. Dispersed materials

S5. Add the dispersed material prepared in step S4 to an injection molding machine for injection molding. The barrel temperature of the injection molding machine is set to 300-400°C, the injection pressure is set to 800-900 kg/cm ³ , and the mold temperature is set to 100- 120℃, the drying temperature is set to 70-90℃, the drying time is set to 8-10min, the protective sleeve blank is prepared;

S6. Cut the trimming material of the protective sleeve prepared in step S5 to obtain a protective sleeve.

By adopting the above technical scheme, the process of preparing the protective sleeve is relatively simple and easy to realize. The prepared protective sleeve has good flexibility and toughness, at the same time, it has good anti-skid effect, and has the advantages of anti-aging and long service life, which can be increased. The feeling of the elderly user, thereby enhancing the comfort of the elderly user using the device.

In summary, the present invention mainly has the following beneficial effects:

1. In the present invention, the supporting unit is used to support the elderly user to sit on the upper part, which can reduce the burden of the elderly user, save the physical strength of the elderly user, and prevent the danger of the elderly user due to overdraft physical strength;

2. In the present invention, the upper limb exercise unit is used for elderly users to perform upper limb exercises. When using the upper limb exercise unit for upper limb exercises, the elderly users can hold the handle to rotate the disc, so that the two arms perform circular rotation movements. For elderly users with rotator cuff injuries, this type of exercise will help self-repair of rotator cuff injuries. After four to five months of exercise with this device, the muscle tissue damaged by the rotator cuffs will gradually recover, allowing The upper limbs of the elderly users are restored to health, so that the elderly users maintain a healthy body, and then maintain a happy mood, thereby improving the quality of life of the elderly users;

3. In the present invention, the support unit adopts an adjustable design and the upper extremity exercise unit adopts horizontal front and rear adjustment settings, so that the device can meet the needs of elderly users of different heights for upper extremity exercise. At the same time, the tilt angle of the disc can be adjusted by adjusting the bolt , In order to meet the exercise habits of different elderly users, so that the device has better applicability;

4. In the present invention, the Mo-shaped hoarding plays a protective role, and the strap is used to bind the upper body of the elderly user to the inside of the Moo-shaped hoarding, which can prevent the elderly user from falling accidents when using the device, thereby ensuring the old age The personal safety of the user, which in turn makes the device safe and reliable;

5. In the present invention, the process of preparing the protective sleeve is relatively simple and easy to implement. The prepared protective sleeve has good flexibility and toughness, at the same time, it has good anti-skid effect, and has the advantages of anti-aging and long service life, which can increase the elderly users. The feel of the device, thereby improving the comfort of elderly users using the device, is worthy of promotion and popularization.

BRIEF DESCRIPTION

1 is a schematic structural diagram of an embodiment of the present invention;

2 is one of the structural schematic diagrams from different perspectives of an embodiment of the present invention;

FIG. 3 is a second schematic structural view of an embodiment of the present invention from different perspectives;

4 is a schematic structural diagram of an upper limb exercise unit according to an embodiment of the present invention;

5 is a schematic structural view of an upper extremity exercise unit according to an embodiment of the present invention from different perspectives;

6 is a schematic diagram of the enlarged structure at A in FIG. 5;

7 is a schematic structural view of a connection between a support block and a connecting rod and a first rolling bearing according to an embodiment of the present invention;

8 is a schematic structural diagram of a support unit according to an embodiment of the present invention;

9 is a schematic diagram of an enlarged structure at B in FIG. 8;

10 is a schematic structural view of a support unit according to an embodiment of the present invention from different perspectives;

11 is a schematic cross-sectional structural view of a support unit according to an embodiment of the present invention;

12 is a partial cross-sectional structural diagram of a support unit according to an embodiment of the present invention;

13 is a schematic diagram of an enlarged structure at C in FIG. 12;

14 is a partial structural schematic diagram of a support unit according to an embodiment of the present invention;

15 is a schematic structural view of FIG. 14 after removing the support plate;

16 is a schematic sectional view of FIG. 14;

17 is a schematic structural diagram of a shock-absorbing foot according to an embodiment of the present invention.

In the picture: 1. Base plate; 2. Upper limb exercise unit; 3. Support unit; 4. Shock-absorbing feet; 5. Non-slip rubber pad; 6. Boss; 7. Chute; 8. Limit slot; 9. Fastening Bolt; 10. Slider; 11. Vertical rod; 12. U-shaped bracket; 13. Support block; 14. Disk; 15. Handle; 16. Connecting rod; 17. First rolling bearing; 18. Adjusting bolt; 19. Mounting holes; 20, square housing; 21, support plate; 22, wavy enclosure; 23, straps; 24, crank; 25, screw; 26, flat plate; 27, turbine; 28, second rolling bearing; 29. Worm; 30. Support rod; 31. Limit block; 32. Male buckle; 33. Female buckle; 34. Cylinder; 35. Round rubber plate; 36. Support column; 37. End cap; 38 , The second circular guide block; 39, the first circular guide block; 40, the spring; 41, the third rolling bearing.

detailed description

Example 1

The present invention will be further described in detail below with reference to FIGS. 1-17.

A safe and reliable upper limb exercise device, as shown in FIGS. 1-17, includes a bottom plate 1, two upper limb exercise units 2 are symmetrically arranged on both sides of the upper part of the upper plate 1, and the upper part of the bottom plate 1 is located in two groups A support unit 3 is provided between the upper limb exercise units 2;

The two groups of upper limb exercise units 2 each include a boss 6 fixedly installed on the upper portion of the bottom plate 1, and a slide slot 7 is opened on the upper surface of the boss 6, and a slider is slidingly installed inside the slide slot 7 10, a vertical pole 11 is fixedly installed on the upper surface of the slider 10, a U-shaped bracket 12 is fixedly installed on the upper end of the vertical pole 11, and the upper part of the U-shaped bracket 12 is fixedly installed with a support through an adjusting bolt 18 Block 13, a connecting rod 16 is fixedly mounted on the upper surface of the supporting block 13, the upper end of the connecting rod 16 is mounted with a disk 14 through a first rolling bearing 17, and the upper surface of the disk 14 is rotatably mounted by a rotating shaft With handle 15;

The support unit 3 includes a square housing 20 fixedly mounted on the upper portion of the bottom plate 1 and a support plate 21, and a flat plate 26 is movably installed inside the square housing 20, and a vertical portion is screwed at an intermediate position of the flat plate 26 A straight screw 25 is installed. The bottom end of the screw 25 is mounted on the inner bottom of the square housing 20 through a second rolling bearing 28, and the outer part of the screw 25 is fixedly installed below the flat plate 26. The turbine 27, the turbine 27 and the worm 29 mesh with each other, the worm 29 is fixedly installed inside the square housing 20 through a third rolling bearing 41, and one end of the worm 29 extends to the square housing 20 A crank 24 is externally connected, the support plate 21 is located directly above the square housing 20, and the bottom of the support plate 21 is fixedly connected to the upper portion of the flat plate 26 through two support bars 30.

By adopting the above technical solution, the support unit 3 is used to support the elderly user to sit on the upper part, which can reduce the burden of the elderly user and save the physical strength of the elderly user. The upper limb exercise unit 2 is used for the elderly user to perform upper limb exercise. The elderly user is using the upper limb When the exercise unit 2 performs upper limb exercises, it can hold the handle 15 to rotate the disc 14 so that the two arms can make circular rotation movements. For elderly users suffering from rotator cuff injuries, this type of exercise helps their rotator cuffs Self-healing of injuries, after using the device for four to five months of exercise, the muscle tissue of the rotator cuff injury can be gradually recovered, the upper limbs of the elderly user can be restored to health, so that the elderly user can maintain a healthy body, and thus maintain a pleasant Mood, thereby improving the quality of life of elderly users. In addition, the support unit 3 adopts an adjustable design and the upper limb exercise unit 2 adopts a horizontally adjustable front and rear setting, so that the device can meet the needs of elderly users of different heights for upper limb exercise. The adjusting bolt 18 can adjust the inclination angle of the disc 14 to meet the exercise habits of different elderly users, thereby making the device more suitable.

Preferably, a limiting groove 8 communicating with the sliding groove 7 is further opened on the outer surface of the boss 6, and a fastening bolt 9 is movably installed inside the limiting groove 8, and the fastening One end of the bolt 9 near the slider 10 is screwed into the inside of the slider 10. It is convenient to lock the position of the slider 10 inside the chute 7 by tightening the fastening bolt 9 and prevent the slider 10 from moving back and forth inside the chute 7 so as to avoid affecting the upper limb exercise of elderly users.

Preferably, the bottom of the support block 13 has an arc-shaped structure, and a mounting hole 19 matching the adjustment bolt 18 is opened inside the bottom of the support block 13. By adopting the above technical solution, it can be ensured that the support block 13 can be easily rotated when the fastening bolt 9 is loosened, so that the inclination angle of the disc 14 can be easily adjusted to meet the exercise habits of different elderly users. The installation hole 19 is set so that The supporting block 13 is convenient to be installed inside the upper part of the U-shaped bracket 12 through the fastening bolt 9.

Preferably, the upper end of the screw rod 25 is also fixedly installed with a limiting block 31, and the height of the screw rod 25 is not higher than the height of the square housing 20. The limit block 31 can prevent the flat plate 26 from being separated from the screw rod 25 to ensure the structural stability of the device.

Preferably, the support unit 3 further includes a wavy enclosure 22, and the wavy enclosure 22 is fixedly installed on the upper portion of the support plate 21. The gusset 22 serves as a protective role to prevent the elderly user from falling down when using the device, thereby ensuring the personal safety of the elderly user, thereby making the device safe and reliable.

Preferably, a strap 23 made of an elastic band is fixedly connected to one outer surface of the wavy-shaped enclosure 22, and a female plug 33 is fixedly connected to the other outer surface of the wavy-shaped enclosure 22. A male buckle 32 matching the female buckle 33 is fixedly connected to an end of the strap 23 away from the wavy enclosure 22. The strap 23 is used to fix the upper body of the elderly user to the inner side of the wavy enclosure 22, which can effectively prevent the elderly user from falling from the upper part of the support plate 21, and the male buckle 32 and the female buckle 33 are used together to make the strap 23 easy to use.

Preferably, an upper part of the bottom plate 1 is located between two groups of the upper limb exercise units 2 and a non-slip rubber pad 5 is adhered to the upper surface of the non-slip rubber pad 5 evenly provided with a number of anti-slip protrusions. The anti-slip rubber pad 5 cooperates with the anti-slip protrusions to have a good anti-slip effect, which can prevent the side slip phenomenon when the elderly user steps on the upper part of the bottom plate 1, thereby effectively avoiding the slip phenomenon when the elderly user uses the device.

Preferably, the bottom plate 1 is a square bottom plate, and the bottom of the bottom plate 1 is provided with four shock-absorbing feet 4 symmetrically at the four corners. The four shock-absorbing legs 4 each include a cylinder fixedly mounted on the bottom of the bottom board 1 A body 34 and a circular rubber plate 35 located directly below the cylinder 34, the upper end of the cylinder 34 is a closed structure, and an end cover 37 is fixedly installed at the bottom of the cylinder 34, the cylinder 34 The first circular guide block 39, the spring 40, the second circular guide block 38, and the support post 36 are movably installed in the interior of the interior from top to bottom. The upper end of the spring 40 and the first circular guide block 39 are The bottom is in conflict, and the bottom end of the spring 40 is in conflict with the upper portion of the second circular guide block 38, and the upper end of the support post 36 is fixedly connected to the bottom of the second circular guide block 38, and The bottom end of the support column 36 extends through the end cover 37 to the outside of the bottom of the cylinder 34 and is fixedly connected to the upper portion of the circular rubber plate 35. Under the action of the spring 40, the shock-absorbing feet 4 have good elasticity, so as to achieve the effect of shock absorption, which can prevent the device from generating large vibrations during use. At the same time, the first circular guide block 39 and the second Under the guidance of the circular guide block 38, the structure of the shock-absorbing foot 4 is relatively stable, not easy to damage, and has a long service life.

Preferably, the inner surface roughness of the barrel 34, the surface roughness of the first circular guide block 39 and the surface roughness of the second circular guide block 38, and the surface of the support post 36 The roughness is not greater than Ra0.3. Not only can reduce the wear of the barrel 34, the first circular guide block 39 and the second circular guide block 38 and the support column 36, but also reduce the barrel 34 and the first circular guide block 39 and the second circular guide block The friction between the 38 and the support column 36, in turn, makes the shock-absorbing feet 4 have a better shock-absorbing effect.

Example 2

The difference from Embodiment 1 is that a protective cover is further provided on the outside of the handle 15, and the protective cover is prepared by the following method:

Weigh the following raw materials in parts by weight: 30 parts of methyl vinyl phenyl silicone rubber, 15 parts of polyurethane, 10 parts of calcium carbonate powder, 15 parts of phenol resin powder, 2 parts of p-phenylenediamine, and 3 ethanolamine 2 Parts, 3 parts of paraffin oil, 3 parts of tricresyl phosphate;

S1. Add the weighed methyl vinyl phenyl silicone rubber and polyurethane to the pulverizer for pulverization. The speed of the pulverizer is set to 600r/min to prepare a pulverized mixture and pulverize the mixture. The particle diameter is 4mm;

S2. Add the pulverized mixture prepared in step S1 to an internal mixer for internal mixing. The temperature of the internal mixer is set to 180°C, the rotation speed is set to 700 r/min, and the internal mixing time is 25 minutes to obtain an internal mixer. materials;

S3. Add the mixed material and calcium carbonate powder, phenol resin powder, p-phenylenediamine, triethanolamine, paraffin oil, and tricresyl phosphate prepared in step S2 to the reaction kettle for stirring and mixing. The temperature is set to 200 ℃, the speed is set to 900r/min, the time is set to 15min, and the glued material is prepared;

S4. Add the glue material prepared in step S3 to an ultrasonic disperser for dispersion. The power of the ultrasonic disperser is set to 220 W, the temperature is set to 140° C., and the dispersion time is set to 15 min to prepare dispersed materials;

S5. Add the dispersed material prepared in step S4 to an injection molding machine for injection molding. The barrel temperature of the injection molding machine is set to 300°C, the injection pressure is set to 800 kg/cm ³ , the mold temperature is set to 100°C, and the drying temperature is set It is 70 ℃, the drying time is set to 8min, and the protective sleeve blank is prepared;

S6. Cut the trimming material of the protective sleeve prepared in step S5 to obtain a protective sleeve.

Example 3

The difference from Example 2 is the preparation of the protective sleeve. The specific preparation method is as follows:

Weigh the following raw materials in parts by weight: 35 parts of methylvinylphenyl silicone rubber, 18 parts of polyurethane, 11 parts of calcium carbonate powder, 18 parts of phenolic resin powder, 3 parts of p-phenylenediamine, and 3 ethanolamine 3 Parts, 4 parts of paraffin oil, 4 parts of tricresyl phosphate;

S1. Add the weighed methyl vinyl phenyl silicone rubber and polyurethane into the pulverizer for pulverization. The speed of the pulverizer is set to 700 r/min to prepare a pulverized mixture and pulverize the mixture. The particle diameter is 7mm;

S2. Add the pulverized mixture prepared in step S1 to the internal mixer to perform internal mixing. The temperature of the internal mixer is set to 190°C, the rotation speed is set to 750r/min, and the internal mixing time is 30 minutes to obtain internal mixing materials;

S3. Add the mixed material and calcium carbonate powder, phenol resin powder, p-phenylenediamine, triethanolamine, paraffin oil, and tricresyl phosphate prepared in step S2 to the reaction kettle for stirring and mixing. The temperature is set to 210 ℃, the speed is set to 950r/min, the time is set to 18min, and the glued material is prepared;

S4. Add the glue material prepared in step S3 to an ultrasonic disperser for dispersion. The power of the ultrasonic disperser is set to 230 W, the temperature is set to 150° C., and the dispersion time is set to 18 min to prepare a dispersed material;

S5. Add the dispersed material prepared in step S4 to an injection molding machine for injection molding. The barrel temperature of the injection molding machine is set to 350° C., the injection pressure is set to 850 kg/cm ³ , the mold temperature is set to 110° C., and the drying temperature is set. It is 80℃, and the drying time is set to 9min.

S6. Cut the trimming material of the protective sleeve prepared in step S5 to obtain a protective sleeve.

Example 4

The difference from Example 2 is the preparation of the protective sleeve. The specific preparation method is as follows:

Weigh the following raw materials in parts by weight: 40 parts of methylvinylphenyl silicone rubber, 20 parts of polyurethane, 12 parts of calcium carbonate powder, 20 parts of phenolic resin powder, 4 parts of p-phenylenediamine, and 3 ethanolamine 4 Parts, 5 parts of paraffin oil, 5 parts of tricresyl phosphate;

S1. Add the weighed methyl vinyl phenyl silicone rubber and polyurethane to the pulverizer for pulverization. The speed of the pulverizer is set to 800 r/min to prepare a pulverized mixture and pulverize the mixture. The particle diameter is 10mm;

S2. Add the pulverized mixture material prepared in step S1 to the internal mixer for internal mixing, the temperature of the internal mixer is set to 200°C, the rotation speed is set to 800 r/min, and the internal mixing time is 35 minutes to obtain internal mixing materials;

S3. Add the mixed material and calcium carbonate powder, phenol resin powder, p-phenylenediamine, triethanolamine, paraffin oil, and tricresyl phosphate prepared in step S2 to the reaction kettle for stirring and mixing. The temperature is set to 220 ℃, the speed is set to 1000r/min, the time is set to 20min, and the glued material is prepared;

S4. Add the glue material prepared in step S3 to an ultrasonic disperser for dispersion. The power of the ultrasonic disperser is set to 240 W, the temperature is set to 160° C., and the dispersion time is set to 20 min to prepare dispersed materials;

S5. Add the dispersion material prepared in step S4 to the injection molding machine for injection molding. The barrel temperature of the injection molding machine is set to 400°C, the injection pressure is set to 900 kg/cm ³ , the mold temperature is set to 120°C, and the drying temperature is set It is 90℃, and the drying time is set to 10min.

S6. Cut the trimming material of the protective sleeve prepared in step S5 to obtain a protective sleeve.

The protective sleeves in Examples 1-4 were tested in the laboratory using a dynamic and static friction coefficient tester under the same conditions. The comparison results are as follows:

A	Coefficient of static friction
Example 1	0.36
Example 2	0.57
Example 3	0.59
Example 4	0.63

From the comparison and analysis of the test results in the above table, it can be seen that Example 4 is the best example. By adopting the above technical scheme, the process of preparing the protective sleeve is relatively simple and easy to realize. The prepared protective sleeve has good flexibility and toughness, and has good performance. The anti-skid effect also has the advantages of anti-aging and long service life, which can increase the feel of elderly users, thereby improving the comfort of elderly users using the device.

Working principle: the elderly upper limb exercise device, the support unit 3 is used to support the elderly user to sit on the upper part, which can reduce the burden of the elderly user, save the physical strength of the elderly user, and prevent the danger caused by the overstretched physical strength of the elderly user; upper limb exercise unit 2 is used for upper-body exercises for elderly users. When using upper-body exercises unit 2 for upper-body exercises, elderly users can hold the handle 15 to rotate the disc 14 so that the two arms can make circular rotation movements. For the elderly users, this kind of exercise helps self-repair of the rotator cuff injury. After using the device for four to five months of exercise, the muscular tissue of the rotator cuff injury can be gradually recovered, which can make the upper limb of the elderly user. Restore health, make the elderly users maintain a healthy body, and then maintain a happy mood, thereby improving the quality of life of the elderly users; the support unit 3 adopts the adjustable design and the upper limb exercise unit 2 adopts the horizontal front and rear adjustment settings, so that the device can meet Elderly users of different heights use upper limbs for exercise. At the same time, the tilt angle of the disc 14 can be adjusted by adjusting the bolts 18 to meet the exercise habits of different elderly users, so that the device has good applicability; Protective effect, the strap 23 is used to fix the upper body of the elderly user to the inside of the wavy enclosure 22, which can prevent the elderly user from falling accidents when using the device, thereby ensuring the personal safety of the elderly user, and thus making the device Safe and reliable; the process of preparing the protective sleeve is relatively simple and easy to realize. The prepared protective sleeve has good flexibility and toughness, at the same time, it has good anti-skid effect, and has the advantages of anti-aging and long service life, which can increase the feel of elderly users. , So as to improve the comfort of elderly users using the device;

In use, the height of the support plate 21 is adjusted by the handle 24, and the position of the slider 10 inside the chute 7 is moved by operating the fastening bolt 9 to adjust the distance of the disc 14 from the support unit 3, making the device suitable for elderly users to exercise In use, holding the handle 15 in hand to rotate the disc 14 makes the two arms rotate in a circular motion. For elderly users suffering from rotator cuff injuries, this type of exercise helps self-repair of the rotator cuff injuries.

This specific embodiment is merely an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art may make modifications without creative contribution to this embodiment after reading this specification, as long as they have rights in the present invention Within the scope of the requirements are protected by patent law.

Claims (10)

1. A safe and reliable upper limb exercise device includes a bottom plate (1), which is characterized in that two sets of upper limb exercise units (2) are symmetrically arranged on both sides of the upper part of the upper plate (1), and the upper part of the bottom plate (1) A support unit (3) is provided between the two sets of upper limb exercise units (2);

   Both sets of the upper limb exercise unit (2) include a boss (6) fixedly installed on the upper part of the bottom plate (1), and a slide groove (7) is formed on the upper surface of the boss (6). A sliding block (10) is slidingly installed inside the sliding groove (7), and a vertical rod (11) is fixedly mounted on the upper surface of the sliding block (10), and a U-shape is fixedly mounted on the upper end of the vertical rod (11) A bracket (12), a support block (13) is fixedly installed on the upper part of the U-shaped bracket (12) through an adjusting bolt (18), and a connecting rod (16) is fixedly installed on the upper surface of the support block (13) A disc (14) is installed on the upper end of the connecting rod (16) through a first rolling bearing (17), and a handle (15) is installed on the upper surface of the disc (14) through a rotation shaft;

   The support unit (3) includes a square housing (20) fixedly installed on the upper part of the bottom plate (1) and a support plate (21), and a flat plate (26) is movably installed inside the square housing (20), A vertically arranged screw rod (25) is screwed at the middle position of the flat plate (26), and the bottom end of the screw rod (25) is mounted on the square housing (20) through a second rolling bearing (28) The inner bottom of the screw, and the outer part of the screw (25) is located below the flat plate (26) is fixedly installed with a turbine (27), the turbine (27) and the worm (29) mesh with each other, the worm (29 ) Is fixedly installed inside the square housing (20) by a third rolling bearing (41), and one end of the worm (29) extends to the outside of the square housing (20), and a crank (24) is connected , The support plate (21) is located directly above the square housing (20), and the bottom of the support plate (21) is fixedly connected to the upper part of the flat plate (26) through two support rods (30) .
2. The safe and reliable upper limb exercise device according to claim 1, characterized in that: a limiting groove (8) communicating with the sliding groove (7) is further provided on the outer surface of the boss (6) ), a fastening bolt (9) is movably installed inside the limit groove (8), and an end of the fastening bolt (9) near the slider (10) is screwed to the slider (10) internal.
3. A safe and reliable upper limb exercise device according to claim 1, characterized in that: the bottom of the support block (13) is an arc-shaped structure, and the bottom of the support block (13) is internally provided with the The adjusting bolt (18) matches the mounting hole (19).
4. A safe and reliable upper limb exercise device according to claim 1, characterized in that: the upper end of the screw (25) is also fixedly installed with a limit block (31), and the height of the screw (25) is not Higher than the height of the square housing (20).
5. The safe and reliable upper limb exercise device according to claim 1, characterized in that the support unit (3) further includes a wavy-shaped enclosure (22), and the wavy-shaped enclosure (22) is fixedly installed on the Said the upper part of the support plate (21).
6. A safe and reliable upper limb exercise device according to claim 5, characterized in that a strap (23) made of an elastic band is fixedly connected to an outer side surface of the rugged surrounding board (22), and the A female buckle (33) is fixedly connected to the other outer side surface of the mound-shaped enclosure (22), and one end of the strap (23) away from the mound-shaped enclosure (22) is fixedly connected to the The female buckle (33) matches the male buckle (32).
7. The safe and reliable upper limb exercise device according to claim 1, characterized in that: the upper part of the bottom plate (1) is located between two groups of the upper limb exercise units (2) and a non-slip rubber pad (5) is also adhered ), a number of anti-skid protrusions are evenly arranged on the upper surface of the anti-skid rubber pad (5).
8. The safe and reliable upper limb exercise device according to claim 1, characterized in that the bottom plate (1) is a square bottom plate, and the bottom of the bottom plate (1) is symmetrically provided with four shock-absorbing feet (4 ), the four shock-absorbing feet (4) all include a cylinder (34) fixedly installed at the bottom of the bottom plate (1) and a circular rubber plate (35) located directly below the cylinder (34), The upper end of the cylinder (34) is a closed structure, and an end cover (37) is fixedly installed at the bottom end of the cylinder (34), and the interior of the cylinder (34) is movably installed in order from top to bottom A first circular guide block (39), a spring (40), a second circular guide block (38), and a support column (36), the upper end of the spring (40) and the first circular guide block (39) ) The bottom of the spring (40) and the upper end of the second circular guide block (38) and the upper end of the support column (36) and the second circular guide The bottom of the block (38) is fixedly connected, and the bottom end of the support column (36) extends through the end cover (37) to the outside of the bottom of the cylinder (34) and the circular rubber plate (35) The upper part of the connection is fixed.
9. A safe and reliable upper limb exercise device according to claim 8, characterized in that: the inner surface roughness of the barrel (34), the surface roughness of the first circular guide block (39) and all The surface roughness of the second circular guide block (38) and the surface roughness of the support column (36) are not greater than Ra0.3.
10. The safe and reliable upper limb exercise device according to claim 1, characterized in that: a protective sleeve is further provided outside the handle (15), and the protective sleeve is prepared by the following method:

    Weigh the following raw materials in parts by weight: 30-40 parts of methyl vinyl phenyl silicone rubber, 15-20 parts of polyurethane, 10-12 parts of calcium carbonate powder, 15-20 parts of phenol resin powder, p-benzene Diamine 2-4 parts, triethanolamine 2-4 parts, paraffin oil 3-5 parts, tricresyl phosphate 3-5 parts;

    S1. Add the weighed methyl vinyl phenyl silicone rubber and polyurethane into the pulverizer for pulverization. The speed of the pulverizer is set to 600-800 r/min to prepare a pulverized mixture and pulverize The particle diameter of the mixture is 4-10mm;

    S2. Add the pulverized mixture prepared in step S1 to an internal mixer for internal mixing. The temperature of the internal mixer is set at 180-200°C, the rotational speed is set at 700-800r/min, and the internal mixing time is 25- 35min, to prepare densely mixed materials;

    S3. Add the mixed material and calcium carbonate powder, phenol resin powder, p-phenylenediamine, triethanolamine, paraffin oil, and tricresyl phosphate prepared in step S2 to the reaction kettle for stirring and mixing. The temperature is set to 200-220℃, the speed is set to 900-1000r/min, the time is set to 15-20min, and the glued material is prepared;

    S4. Add the glue material prepared in step S3 to an ultrasonic disperser for dispersion. The power of the ultrasonic disperser is set to 220-240W, the temperature is set to 140-160°C, and the dispersion time is set to 15-20min. Dispersed materials

    S5. Add the dispersed material prepared in step S4 to an injection molding machine for injection molding. The barrel temperature of the injection molding machine is set to 300-400°C, the injection pressure is set to 800-900 kg/cm ³ , and the mold temperature is set to 100- 120℃, the drying temperature is set to 70-90℃, the drying time is set to 8-10min, the protective sleeve blank is prepared;

    S6. Cut the trimming material of the protective sleeve prepared in step S5 to obtain a protective sleeve.

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