CN109529264B - Safe and reliable's upper limbs exercise device - Google Patents

Abstract

The invention discloses a safe and reliable upper limb exercising device which comprises a bottom plate, wherein two groups of upper limb exercising units are symmetrically arranged on two sides of the upper part of the bottom plate, and a supporting unit is arranged between the two groups of upper limb exercising units on the upper part of the bottom plate. The shoulder sleeve injury rehabilitation device has good applicability, can meet the exercise habits of different old users, has good safety performance, can prevent the old users from falling off when using the device, thereby ensuring the personal safety of the old users, reducing the burden of the old users, saving the physical strength of the old users, preventing the danger caused by the transparent physical strength of the old users, and for the old users with shoulder sleeve injury, the muscle tissues damaged by the shoulder sleeves can be gradually recovered after the device is used for four to five months of exercise, the upper limbs of the old users can be recovered, the old users can keep healthy bodies, and further keep pleasant mood, thereby improving the life quality of the old users.

Description

A safe and reliable upper limb exercise device

technical field

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

Background technique

When people get old, there are always some problems in the body, but if you maintain the habit of long-term exercise, you can make your body healthier, especially when people reach the age of 65-70, the upper limbs often appear due to long-term fatigue when they are young, resulting in frequent rotator cuffs. Injury affects the quality of life of the elderly. The best way to treat rotator cuff injury is through long-term exercise, so that the damaged muscle tissue can repair itself.

However, the existing upper limb exercise devices for the elderly have poor applicability, cannot meet the exercise habits of different elderly users, have poor safety performance, cannot prevent the elderly users from falling during the exercise process, and cannot guarantee the personal safety of the elderly users. , In the existing upper limb exercise device for the elderly, the elderly users usually stand on the ground to exercise, which makes the elderly users bear the burden of the body and consumes a lot of physical strength for the elderly users. The existing elderly upper limb exercise device is not designed for elderly users with rotator cuff injury, so that even after long-term exercise, the recovery effect of the muscle tissue of the rotator cuff injury is not good and serious. Affects the quality of life of elderly users with rotator cuff injuries.

SUMMARY OF THE INVENTION

In view of the shortcomings of the prior art, the purpose 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 better safety performance, and can prevent elderly users from using the device. In order to ensure the personal safety of elderly users, it can reduce the burden of elderly users, save the physical strength of elderly users, and prevent the danger of elderly users due to overdraft of physical strength. For elderly users with rotator cuff injuries , Exercising through the device is helpful for the self-repair of the rotator cuff injury. After four to five months of exercise, the muscle tissue of the rotator cuff injury can be gradually recovered, and the upper limbs of the elderly users can be restored to health. It enables the elderly users to maintain a healthy body, thereby maintaining a happy mood, thereby improving the quality of life of the elderly users.

For achieving the above object, the present invention provides the following technical solutions:

A safe and reliable upper limb exercise device, comprising 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 the upper part of the bottom plate is located between the two sets of upper limb exercise units with support units;

Both sets of the upper limb exercise units include a boss fixedly installed on the upper part of the bottom plate, a chute is opened on the upper surface of the boss, and a slider is slidably installed inside the chute. A vertical pole is fixedly installed on the upper surface, a U-shaped bracket is fixedly installed on the upper end of the vertical pole, a support block is fixedly installed in the upper part of the U-shaped bracket by adjusting bolts, and a support block is fixedly installed on the upper surface of the support block. a connecting rod, the upper end of the connecting rod is installed with a disc 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 and a support plate fixedly installed on the upper part of the bottom plate, a flat plate is movably installed inside the square shell, and a vertical screw rod is screwed at the middle position of the flat plate, so the The bottom end of the screw rod is installed on the inner bottom of the square shell through a second rolling bearing, and the outer part of the screw rod is located below the flat plate and is fixedly installed with a turbine, the turbine and the worm are engaged with each other, and the worm is The third rolling bearing is fixedly installed inside the square casing, and one end of the worm extends to the outside of the square casing and is connected with a crank handle, the support plate is located directly above the square casing, and The bottom of the support plate is fixedly connected with the upper part 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 exercise the upper limbs. When exercising the upper body, you can hold the handle to rotate the disc, so that the two arms can rotate in a circular motion. After using the device for four to five months of exercise, the damaged muscle tissue of the rotator cuff can be gradually recovered, and the upper limbs of the elderly users can be restored to health, so that the elderly users can maintain a healthy body and a happy mood, thereby improving the elderly. The quality of life of the user, in addition, the support unit adopts a lifting and adjustable design and the upper body exercise unit adopts a horizontal front and rear adjustment setting, so that the device can meet the use of elderly users of different heights for upper body exercise. The angle of inclination can meet the exercise habits of different elderly users, so that the device has better applicability.

Further, a limit groove communicated with the chute is also opened on the outer side of the boss, and a tightening bolt is movably installed inside the limit groove, and the tightening bolt is close to the slider. One end is screwed on 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 the upper limbs for elderly users to exercise.

Further, the bottom of the support block is an arc structure, and the bottom of the support block is provided with a mounting hole matching the adjustment bolt.

By adopting the above technical solution, it can be ensured that the support block can be easily rotated when the tightening bolts are loosened, so as to adjust the inclination angle of the disc, so as to meet the exercise habits of different elderly users, and the setting of the installation holes makes the support block easy to pass through. Fastening bolts are installed inside the upper part of the U-bracket.

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

By adopting the above technical solution, the limiting block can prevent the flat plate from being separated from the screw rod, so as to ensure the structural stability of the device.

Further, the support unit further includes a recessed enclosure plate, and the recessed enclosure panel is fixedly mounted on the upper portion of the support plate.

By adopting the above-mentioned technical solution, the recessed enclosure plays a protective role, which can prevent the elderly user from falling when using the device, thereby ensuring the personal safety of the elderly user, thereby making the device safe and reliable.

Further, a strap made of elastic band is fixedly connected to one outer side of the recessed enclosure, and a female buckle is fixedly connected to the other outer side of the recessed enclosure, and the strap is far away from the One end of the recessed enclosure plate is fixedly connected with a male insert that matches the female insert.

By adopting the above technical solution, the strap is used to tie the upper body of the elderly user to the inner side of the sill-shaped enclosure, which can effectively prevent the elderly user from falling from the upper part of the support plate. The strap is easy to use.

Further, an anti-slip rubber pad is attached to the upper part of the bottom plate between the two sets of upper limb exercising units, and a plurality of anti-slip protrusions are evenly arranged on the upper surface of the anti-slip rubber pad.

By adopting the above technical solution, the anti-skid rubber pad and the anti-skid protrusion have a good anti-skid effect, which can prevent the elderly user from slipping on the upper part of the bottom plate, thereby effectively preventing the elderly user from slipping when using the device.

Further, the bottom plate is a square bottom plate, and the bottom four corners of the bottom plate are symmetrically provided with four shock-absorbing legs, and the four shock-absorbing legs each include a cylinder fixedly installed at the bottom of the bottom plate and a cylinder located at the bottom of the bottom plate. The upper end of the cylinder is a closed structure, and the bottom end of the cylinder is fixedly installed with an end cover, and the interior of the cylinder is movably installed with a first circular rubber plate from top to bottom. A guide block, a spring, a second circular guide block and a support column, the upper end of the spring is in conflict with the bottom of the first circular guide block, and the bottom end of the spring is in contact with the second circular guide The upper part of the block collides, the upper end of the support column is fixedly connected with 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 cylinder body and the bottom of the cylinder. 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 guiding action of the second circular guide block, the shock-absorbing support foot has a relatively stable structure, is not easily damaged, and has a long service life.

Further, the inner surface roughness of the cylinder, the surface roughness of the first circular guide block, 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 the wear of the cylinder body, the first circular guide block, the second circular guide block and the support column can be reduced, but also the wear of the cylinder body, the first circular guide block and the second circular guide block can be reduced. As well as the friction between the support columns, the shock absorption effect of the shock absorption feet is better.

Further, the outside of the handle is also covered with a protective cover, and the protective cover is prepared by the following method:

Take the following raw materials and weigh them 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 phenolic resin powder, p-benzene 2-4 parts of diamine, 2-4 parts of triethanolamine, 3-5 parts of paraffin oil, 3-5 parts of tricresyl phosphate;

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

S2, adding the pulverized mixture material obtained in step S1 into an internal mixer for internal mixing, the temperature of the internal mixer is set to 180-200 ° C, the rotating speed is set to 700-800 r/min, and the internal mixing time is 25- 35min to obtain Banbury material;

S3, adding the Banbury material obtained in step S2 and calcium carbonate powder, phenolic resin powder, p-phenylenediamine, triethanolamine, paraffin oil, tricresyl phosphate into the reaction kettle for stirring and mixing, the reaction kettle's The temperature is set to 200-220°C, the rotational speed is set to 900-1000r/min, and the time is set to 15-20min to prepare the glued material;

S4, adding the gluing material prepared in step S3 into 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, to obtain disperse material;

S5, adding the dispersed material prepared in step S4 into 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 800-900kg/cm ³ , and the mold temperature is set to 100- 120°C, the drying temperature is set to 70-90°C, and the drying time is set to 8-10min to prepare the protective sleeve blank;

S6, trimming and cutting the protective cover blank obtained in step S5 to obtain a protective cover.

By adopting the above technical solution, the process of preparing the protective cover is relatively simple and easy to realize, the prepared protective cover has good flexibility and toughness, and has a good anti-slip effect, and also has the advantages of anti-aging and long service life, which can increase the The hand feeling of the elderly user is improved, thereby improving the comfort of the elderly user using the device.

To sum up, the present invention mainly has the following beneficial effects:

1. In the present invention, 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, save the physical strength of the elderly user, and prevent the elderly user from overdrafting physical strength and danger;

2. In the present invention, the upper limb exercise unit is used for the elderly users to exercise the upper limbs. When the elderly users use the upper limb exercise unit to exercise the upper limbs, they can hold the handle to rotate the disc, so that the two arms do a circular rotation movement, which is helpful for patients with For elderly users with rotator cuff injury, this kind of exercise is helpful for the self-repair of their rotator cuff injury. The upper limbs of the elderly users are restored to health, so that the elderly users can maintain a healthy body and a happy mood, thereby improving the quality of life of the elderly users;

3. In the present invention, the support unit adopts a liftable adjustment design and the upper limb exercise unit adopts a horizontal front and rear adjustment setting, so that the device can meet the use of elderly users of different heights for upper limb exercise, and at the same time, the inclination angle of the disc can be adjusted by adjusting the bolts. , in order to meet the exercise habits of different elderly users, so that the device has better applicability;

4. In the present invention, the recessed enclosure plays a protective role, and the straps are used to tie the upper body of the elderly user to the inner side of the recessed enclosure, which can prevent the elderly user from falling when using the device, thereby ensuring the elderly The personal safety of the user, thereby making the device safe and reliable;

5. In the present invention, the process of preparing the protective cover is relatively simple and easy to realize, the prepared protective cover has good flexibility and toughness, and has a good anti-slip effect, and also has the advantages of anti-aging and long service life, which can increase the number of elderly users. Therefore, it can improve the comfort of elderly users using the device, which is worthy of promotion and popularization.

Description of drawings

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

FIG. 2 is one of the schematic structural diagrams of different viewing angles according to an embodiment of the present invention;

FIG. 3 is the second schematic diagram of the structure from different viewing angles according to an embodiment of the present invention;

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 diagram of an upper limb exercise unit from different perspectives according to an embodiment of the present invention;

Fig. 6 is the enlarged structure schematic diagram of A place in Fig. 5;

7 is a schematic structural diagram of the connection between a support block, 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;

Fig. 9 is the enlarged structural schematic diagram at B in Fig. 8;

10 is a schematic structural diagram of a support unit from different viewing angles according to an embodiment of the present invention;

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

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

Figure 13 is an enlarged schematic view of the structure at C in Figure 12;

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

FIG. 15 is a schematic structural diagram after removing the support plate in FIG. 14;

FIG. 16 is a schematic cross-sectional view of FIG. 14;

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

In the picture: 1. Bottom plate; 2. Upper body exercise unit; 3. Support unit; 4. Shock-absorbing feet; 5. Anti-skid rubber pad; 6. Boss; 7. Chute; 8. Limit groove; 9. Fastening Bolt; 10. Slider; 11. Upright rod; 12. U-shaped bracket; 13. Support block; 14. Disc; 15. Handle; 16. Connecting rod; 17. First rolling bearing; 18. Adjusting bolt; 19. Mounting hole; 20, square shell; 21, support plate; 22, hoarding plate; 23, straps; 24, crank handle; 25, screw rod; 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, circular rubber plate; 36, support column; 37, end cover; 38 , the second circular guide block; 39, the first circular guide block; 40, the spring; 41, the third rolling bearing.

Detailed ways

Example 1

The present invention will be described in further detail below in conjunction with accompanying drawings 1-17.

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

The two sets of upper limb exercise units 2 both include a boss 6 fixedly installed on the upper part of the bottom plate 1 , a chute 7 is opened on the upper surface of the boss 6 , and a slider is slidably installed inside the chute 7 . 10. A vertical rod 11 is fixedly installed on the upper surface of the sliding block 10, and a U-shaped bracket 12 is fixedly installed on the upper end of the vertical rod 11. Block 13, a connecting rod 16 is fixedly installed on the upper surface of the supporting block 13, the upper end of the connecting rod 16 is mounted with a disc 14 through a first rolling bearing 17, and the upper surface of the disc 14 is rotated and installed by a rotating shaft With handle 15;

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

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 exercise their upper limbs. When the exercise unit 2 is exercising the upper body, the handle 15 can be held to rotate the disc 14, so that the two arms can perform a circular rotation movement. Self-healing of damage, using the device for four to five months of exercise can gradually restore the injured muscle tissue of the rotator cuff, which can restore the upper limbs of the elderly users to health, so that the elderly users can maintain a healthy body, and thus maintain a pleasant feeling. mood, thereby improving the quality of life of elderly users. In addition, the support unit 3 adopts a lift-adjustable design and the upper limb exercise unit 2 adopts a horizontal front and rear adjustment setting, so that the device can meet the use of elderly users of different heights for upper limb exercise. The adjusting bolt 18 can adjust the inclination angle of the disc 14 so as to meet the exercise habits of different elderly users, so that the device has better applicability.

Preferably, a limit groove 8 that communicates with the chute 7 is further opened on the outer side of the boss 6 , and a fastening bolt 9 is movably installed inside the limit groove 8 . One end of the bolt 9 close to the sliding block 10 is screwed inside the sliding block 10 . It is convenient to lock the position of the slider 10 inside the chute 7 by tightening the fastening bolt 9 , which can prevent the slider 10 from moving back and forth inside the chute 7 , so as to avoid affecting the use of elderly users to exercise upper limbs.

Preferably, the bottom of the support block 13 is an arc structure, and the bottom of the support block 13 is provided with a mounting hole 19 matching the adjustment bolt 18 . By adopting the above technical solution, it can be ensured that the support block 13 can be easily rotated when the tightening bolt 9 is loosened, thereby facilitating the adjustment of the inclination angle of the disc 14 so as to meet the exercise habits of different elderly users. The installation holes 19 are arranged such that The support block 13 is easily installed inside the upper part of the U-shaped bracket 12 by means of the fastening bolts 9 .

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

Preferably, the support unit 3 further includes an indented enclosure plate 22 , and the indented enclosure plate 22 is fixedly mounted on the upper portion of the support plate 21 . The recessed enclosure 22 plays a protective role, which can prevent an elderly user from falling when using the device, so as to ensure 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 side of the recessed enclosure 22, and a female buckle 33 is fixedly connected to the other outer side of the recessed enclosure 22, so One end of the strap 23 away from the recessed enclosure 22 is fixedly connected with a male insert 32 matching the female insert 33 . The strap 23 is used to fasten the upper body of the elderly user to the inner side of the shovel-shaped enclosure plate 22, which can effectively prevent the elderly user from falling from the upper part of the support plate 21. 23 is easy to use.

Preferably, an anti-slip rubber pad 5 is adhered to the upper part of the bottom plate 1 between the two sets of upper limb exercising units 2 , and a plurality of anti-slip protrusions are evenly arranged on the upper surface of the anti-slip rubber pad 5 . The anti-slip rubber pad 5 cooperates with anti-slip protrusions, which has a good anti-slip effect, which can prevent the elderly user from slipping on the upper part of the bottom plate 1, thereby effectively preventing the elderly user from slipping when using the device.

Preferably, 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 at four corners. The body 34 and the circular rubber plate 35 located directly below the cylindrical body 34, the upper end of the cylindrical body 34 is a closed structure, and the bottom end of the cylindrical body 34 is fixedly installed with an end cover 37, the cylindrical body 34 A first circular guide block 39 , a spring 40 , a second circular guide block 38 and a support column 36 are installed in sequence from top to bottom inside the spring 40 . The bottom is in contact with the bottom, and the bottom end of the spring 40 is in contact with the upper part of the second circular guide block 38 , the upper end of the support column 36 is fixedly connected with 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 cylindrical body 34 and is fixedly connected to the upper part of the circular rubber plate 35 . Under the action of the spring 40, the damping feet 4 have good elasticity, so as to achieve the effect of damping, which can prevent the device from generating large vibrations during use. Under the guiding action of the circular guide block 38, the structure of the shock-absorbing support foot 4 is relatively stable, not easily damaged, and has a long service life.

Preferably, the inner surface roughness of the cylindrical body 34 , the surface roughness of the first circular guide block 39 , the surface roughness of the second circular guide block 38 and the surface of the support column 36 The roughness is not more than Ra0.3. Not only can reduce the wear of the cylinder body 34, the first circular guide block 39, the second circular guide block 38 and the support column 36, but also reduce the wear of the cylinder body 34, the first circular guide block 39 and the second circular guide block 38 and the friction between the support column 36, so that the shock absorption effect of the shock absorption foot 4 is better.

Example 2

The difference from Example 1 is that the handle 15 is also covered with a protective cover on the outside, and the protective cover is prepared by the following method:

Take the following raw materials and weigh them by weight: 30 parts of methyl vinyl phenyl silicone rubber, 15 parts of polyurethane, 10 parts of calcium carbonate powder, 15 parts of phenolic resin powder, 2 parts of p-phenylenediamine, 2 parts of triethanolamine 3 parts, paraffin oil 3 parts, tricresyl phosphate 3 parts;

S1, adding the weighed methyl vinyl phenyl silicone rubber and polyurethane into a pulverizer for pulverization, and the rotational speed of the pulverizer is set to 600 r/min to obtain a pulverized mixture, and the pulverized mixture is The particle diameter is 4mm;

S2, adding the pulverized mixture material obtained in step S1 into an internal mixer for internal mixing, the temperature of the internal mixer is set to 180 ° C, the rotating speed is set to 700 r/min, the internal mixing time is 25 min, and the internal mixing machine is made materials;

S3, adding the Banbury material obtained in step S2 and calcium carbonate powder, phenolic resin powder, p-phenylenediamine, triethanolamine, paraffin oil, tricresyl phosphate into the reaction kettle for stirring and mixing, the reaction kettle's The temperature is set to 200°C, the rotational speed is set to 900r/min, and the time is set to 15min to prepare the glued material;

S4, adding the gluing material prepared in step S3 into an ultrasonic disperser for dispersion, the power of the ultrasonic disperser is set to 220W, the temperature is set to 140°C, and the dispersion time is set to 15min, to obtain a dispersed material;

S5, adding the dispersed material prepared in step S4 into 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 to The temperature is 70 °C, and the drying time is set to 8 min to obtain the protective sleeve blank;

S6, trimming and cutting the protective cover blank obtained in step S5 to obtain a protective cover.

Example 3

The difference with embodiment 2 is the preparation of protective cover, and its concrete preparation method is as follows:

Take the following raw materials and weigh them by weight: 35 parts of methyl vinyl phenyl silicone rubber, 18 parts of polyurethane, 11 parts of calcium carbonate powder, 18 parts of phenolic resin powder, 3 parts of p-phenylenediamine, 3 parts of triethanolamine 4 parts, paraffin oil 4 parts, tricresyl phosphate 4 parts;

S1, adding the weighed methyl vinyl phenyl silicone rubber and polyurethane into a pulverizer for pulverization, and the rotational speed of the pulverizer is set to 700 r/min, to obtain a pulverized mixed material, and the pulverized mixed material The particle diameter is 7mm;

S2, adding the pulverized mixture material obtained in step S1 into an internal mixer for internal mixing, the temperature of the internal mixer is set to 190 ° C, the rotating speed is set to 750 r/min, the internal mixing time is 30 min, and the internal mixer is obtained. materials;

S3, adding the Banbury material obtained in step S2 and calcium carbonate powder, phenolic resin powder, p-phenylenediamine, triethanolamine, paraffin oil, tricresyl phosphate into the reaction kettle for stirring and mixing, the reaction kettle's The temperature is set to 210°C, the rotational speed is set to 950r/min, and the time is set to 18min to prepare the glued material;

S4, adding the gluing material obtained in step S3 into an ultrasonic disperser for dispersion, the power of the ultrasonic disperser is set to 230W, the temperature is set to 150°C, and the dispersion time is set to 18min, to obtain a dispersion material;

S5, adding the dispersed material prepared in step S4 into 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 , the mold temperature is set to 110 ° C, and the drying temperature is set to 80°C, drying time is set to 9min, and the protective sleeve blank is prepared;

S6, trimming and cutting the protective cover blank obtained in step S5 to obtain a protective cover.

Example 4

The difference with embodiment 2 is the preparation of protective cover, and its concrete preparation method is as follows:

Take the following raw materials and weigh them by weight: 40 parts of methyl vinyl phenyl silicone rubber, 20 parts of polyurethane, 12 parts of calcium carbonate powder, 20 parts of phenolic resin powder, 4 parts of p-phenylenediamine, 4 parts of triethanolamine parts, 5 parts of paraffin oil, 5 parts of tricresyl phosphate;

S1, add the weighed methyl vinyl phenyl silicone rubber and polyurethane into a pulverizer for pulverization, and the rotating speed of the pulverizer is set to 800 r/min to obtain a pulverized mixture, and the pulverized mixture is The particle diameter is 10mm;

S2, adding the pulverized mixture material obtained in step S1 into an internal mixer for internal mixing, the temperature of the internal mixer is set to 200 ° C, the rotating speed is set to 800 r/min, the internal mixing time is 35 min, and the internal mixing machine is made materials;

S3, adding the Banbury material obtained in step S2 and calcium carbonate powder, phenolic resin powder, p-phenylenediamine, triethanolamine, paraffin oil, tricresyl phosphate into the reaction kettle for stirring and mixing, the reaction kettle's The temperature is set to 220°C, the rotation speed is set to 1000r/min, and the time is set to 20min, to prepare the glued material;

S4, adding the gluing material obtained in step S3 into an ultrasonic disperser for dispersion, the power of the ultrasonic disperser is set to 240W, the temperature is set to 160°C, and the dispersion time is set to 20min, to obtain a dispersed material;

S5, adding the dispersed material prepared in step S4 into an 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 , the mold temperature is set to 120 ° C, and the drying temperature is set to 90°C, drying time is set to 10min, and the protective sleeve blank is obtained;

S6, trimming and cutting the protective cover blank obtained in step S5 to obtain a protective cover.

The protective cover in the embodiment 1-4 adopts the dynamic and static friction coefficient measuring instrument in the laboratory to carry out the static friction coefficient measurement to it under the same conditions and the comparative results are as follows:

Static friction coefficient 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 embodiment. By adopting the above technical solution, the process of preparing the protective cover is relatively simple and easy to realize. The prepared protective cover has good flexibility and toughness, and has good The anti-slip effect of the device also has the advantages of anti-aging and long service life, which can increase the feel of the elderly user, thereby improving the comfort of the elderly user using the device.

Working principle: In this 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 elderly user from overdrafting physical strength. 2 is used for elderly users to exercise upper limbs. When elderly users use the upper limb exercise unit 2 to exercise upper limbs, they can hold the handle 15 to rotate the disc 14, so that the two arms can perform a circular rotation movement, which is helpful for those with rotator cuff injuries. For elderly users, this kind of exercise is helpful for the self-repair of their rotator cuff injuries. After four to five months of exercise, the muscle tissue of the rotator cuff can be gradually recovered, and the upper limbs of the elderly users can be recovered. Restore health, so that the elderly users can 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 a lifting and adjusting design and the upper limb exercise unit 2 adopts a horizontal front and rear adjustment setting, so that the device can meet the Elderly users of different heights use it for upper limb exercise, and at the same time, the inclination angle of the disc 14 can be adjusted by adjusting the bolt 18 to meet the exercise habits of different elderly users, so that the device has better applicability; Protective effect, the straps 23 are used to tie the upper body of the elderly user to the inner side of the hoarding plate 22, which can prevent the elderly user from falling when using the device, thereby ensuring the personal safety of the elderly user, thereby making the device Safe and reliable; the process of preparing the protective cover is relatively simple and easy to implement. The prepared protective cover has good flexibility and toughness, and has a good anti-slip effect. It also 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;

When in use, the height of the support plate 21 is adjusted by the crank 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 between the disc 14 and the support unit 3, so that the device is suitable for elderly users to exercise. To use, hold the handle 15 to rotate the disc 14, so that the two arms perform a circular rotation motion. For elderly users with rotator cuff injury, this exercise method is helpful for self-repair of the rotator cuff injury.

This specific embodiment is only an explanation of the present invention, and it does not limit the present invention. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this specification, but as long as the rights of the present invention are used All claims are protected by patent law.

Claims (5)

1. A safe and reliable's upper limbs exercise device, includes bottom plate (1), its characterized in that: two groups of upper limb exercising units (2) are symmetrically arranged on two sides of the upper part of the bottom plate (1), and a supporting unit (3) is arranged between the two groups of upper limb exercising units (2) on the upper part of the bottom plate (1);

the two groups of upper limb exercising units (2) respectively comprise bosses (6) fixedly mounted on the upper portion of the base plate (1), sliding grooves (7) are formed in the upper surfaces of the bosses (6), sliding blocks (10) are slidably mounted inside the sliding grooves (7), vertical rods (11) are fixedly mounted on the upper surfaces of the sliding blocks (10), U-shaped supports (12) are fixedly mounted at the upper ends of the vertical rods (11), supporting blocks (13) are fixedly mounted inside the upper portions of the U-shaped supports (12) through adjusting bolts (18), connecting rods (16) are fixedly mounted on the upper surfaces of the supporting blocks (13), discs (14) are mounted at the upper ends of the connecting rods (16) through first rolling bearings (17), and handles (15) are rotatably mounted on the upper surfaces of the discs (14) through rotating shafts;

the supporting unit (3) comprises a square shell (20) and a supporting plate (21) which are fixedly installed on the upper portion of the bottom plate (1), a flat plate (26) is movably installed inside the square shell (20), a lead screw (25) which is vertically arranged is screwed at the middle position of the flat plate (26), the bottom end of the lead screw (25) is installed at the bottom inside the square shell (20) through a second rolling bearing (28), the outer portion of the lead screw (25) is located below the flat plate (26) and is fixedly provided with a turbine (27), the turbine (27) is meshed with a worm (29), the worm (29) is fixedly installed inside the square shell (20) through a third rolling bearing (41), one end of the worm (29) extends to the outer portion of the square shell (20) and is connected with a crank (24), and the supporting plate (21) is located right above the square shell (20), the bottom of the supporting plate (21) is fixedly connected with the upper part of the flat plate (26) through two supporting rods (30);

a limiting groove (8) communicated with the sliding groove (7) is further formed in the outer side surface of the boss (6), a fastening bolt (9) is movably mounted in the limiting groove (8), and one end, close to the sliding block (10), of the fastening bolt (9) is in threaded connection with the inside of the sliding block (10);

the bottom of the supporting block (13) is of an arc-shaped structure, and a mounting hole (19) matched with the adjusting bolt (18) is formed in the bottom of the supporting block (13);

the upper end of the screw rod (25) is also fixedly provided with a limiting block (31), and the height of the screw rod (25) is not higher than that of the square shell (20);

wherein, bottom plate (1) is square bottom plate, and the bottom four corners symmetry of bottom plate (1) is equipped with four shock attenuation stabilizer blades (4), four shock attenuation stabilizer blades (4) all include fixed mounting in barrel (34) of bottom plate (1) bottom and be located circular rubber slab (35) under barrel (34), the upper end of barrel (34) is enclosed construction, just the bottom fixed mounting of barrel (34) has end cover (37), the inside of barrel (34) is from last to having first circular guide block (39), spring (40), the circular guide block of second (38) and support column (36) down movable mounting in proper order, the upper end of spring (40) with the bottom of first circular guide block (39) is contradicted, just the bottom of spring (40) with the upper portion of the circular guide block of second (38) is inconsistent, the upper end of the supporting column (36) is fixedly connected with the bottom of the second circular guide block (38), and the bottom end of the supporting column (36) penetrates through the end cover (37) and extends to the outside of the bottom of the cylinder (34) to be fixedly connected with the upper part of the circular rubber plate (35);

and the roughness of the inner surface of the cylinder (34), the roughness of the surface of the first circular guide block (39), the roughness of the surface of the second circular guide block (38) and the roughness of the surface of the support column (36) are all no more than Ra0.3.

2. A safe and reliable upper limb exercise apparatus as claimed in claim 1, wherein: the supporting unit (3) further comprises a T-shaped enclosing plate (22), and the T-shaped enclosing plate (22) is fixedly installed on the upper portion of the supporting plate (21).

3. A safe and reliable upper limb exercise apparatus according to claim 2, wherein: a binding band (23) made of elastic bands is fixedly connected to one outer side face of the T-shaped enclosing plate (22), a female eye-splice (33) is fixedly connected to the other outer side face of the T-shaped enclosing plate (22), and a male eye-splice (32) matched with the female eye-splice (33) is fixedly connected to one end portion, far away from the T-shaped enclosing plate (22), of the binding band (23).

4. A safe and reliable upper limb exercise apparatus as claimed in claim 1, wherein: the upper portion of bottom plate (1) is located two sets of antiskid rubber pad (5) have still been pasted between upper limbs exercise unit (2), still evenly be equipped with a plurality of non-slip raised on the upper surface of antiskid rubber pad (5).

5. A safe and reliable upper limb exercise apparatus as claimed in claim 1, wherein: the handle (15) is also sleeved with a protective sleeve, and the protective sleeve is prepared by the following method:

weighing 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 phenolic resin powder, 2-4 parts of p-phenylenediamine, 2-4 parts of triethanolamine, 3-5 parts of paraffin oil and 3-5 parts of tricresyl phosphate;

s1, adding the weighed methyl vinyl phenyl silicone rubber and polyurethane into a pulverizer for pulverization, wherein the rotation speed of the pulverizer is set to 600-800r/min, and the particle diameter of the pulverized mixed material is 4-10 mm;

s2, adding the crushed mixed material prepared in the step S1 into an internal mixer for internal mixing, wherein the temperature of the internal mixer is set to be 180-;

s3, adding the banburying material prepared in the step S2, calcium carbonate powder, phenolic resin powder, p-phenylenediamine, triethanolamine, paraffin oil and tricresyl phosphate into a reaction kettle for stirring and mixing, wherein the temperature of the reaction kettle is set to 200-220 ℃, the rotating speed is set to 900-1000r/min, and the time is set to 15-20min, so as to prepare a gluing material;

s4, adding the gluing material prepared in the step S3 into an ultrasonic dispersion machine for dispersion, wherein the power of the ultrasonic dispersion machine is set to be 220-240W, the temperature is set to be 140-160 ℃, and the dispersion time is set to be 15-20min to prepare a dispersion material;

s5, adding the dispersed material prepared in the step S4 into an injection molding machine for injection molding, setting the temperature of a charging barrel of the injection molding machine to be 400 ℃, the injection pressure to be 900kg/cm for cultivation under 800-;

and S6, cutting edges of the blank of the protective sleeve prepared in the step S5 to obtain the protective sleeve.

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