CN113856136B - A stretcher for physical fitness - Google Patents

Abstract

The invention belongs to the technical field of fitness equipment, and particularly relates to a stretcher for physical fitness, which comprises a first handle; the first handle is provided with a pair of handles; a plurality of groups of strip-shaped springs are arranged between the first grips; a second handle is arranged in the first handle through a spring; a first protective gasket is arranged between the plurality of groups of the first handles; the first protective washer is sleeved on the strip-shaped spring; at tensile in-process, through being equipped with first gasbag, can be at first protection packing ring and the tensile in-process of second protection packing ring, first gasbag can receive the extrusion, inside the second gasbag can be entered into from the breather pipe to the inside gas of first gasbag this moment, two second gasbags will promote the slider this moment, make the slider close to each other, then will take the antiskid to user's hand pulling, make the hand tightly pressed on first handle, make its difficult problem that drops that appears when using, the security when increasing the use.

Description

A stretcher for physical fitness

technical field

The invention belongs to the technical field of fitness equipment, in particular to a stretcher for physical fitness.

Background technique

The stretcher for physical fitness is a common equipment in fitness equipment. There are many ways to use it, which can exercise different muscles on the human body.

There are also some technical solutions about fitness equipment in the prior art. For example, a Chinese patent with an application number of 2020220440607 discloses a stretching device for sports and fitness, including a connecting frame, and the right side of the connecting frame is sleeved with a Adjusting frame, the right side of the adjusting frame is fixedly connected with a first handle, the left side of the connecting frame is provided with a fixing plate, the front of the fixing plate is rotatably connected with a cover plate, and the front of the fixing plate is provided with a limit slot , a mounting block is arranged inside the limiting groove, and a second handle is slidably connected inside the connecting frame.

In the current prior art, the stretcher does not have a good grip protection device when in use, and the common grip protection device is a grippable cloth strip to prevent the grip from falling off. There is still a problem of unstable grip when using it.

SUMMARY OF THE INVENTION

In order to make up for the deficiencies of the prior art and solve the problem that the stretcher does not have a good grip protection device when in use, the common grip protection device is a grippable cloth strip to prevent the grip from falling off. , and found that the problem of unstable grip still occurs during use, and the present invention proposes a stretching device for sports and fitness.

The technical solution adopted by the present invention to solve the technical problem is as follows: a stretching device for sports and fitness according to the present invention includes a first grip; a pair of the first grip; A plurality of groups of long strip springs are installed between; a second handle is installed inside the first handle through the spring; a first protective washer is arranged between the plurality of groups of the first handle; the first protective washer is sleeved On the elongated spring; the first protection washer is covered with a second protection washer; the two ends of the second protection washer are fixed to the two first grips; the first protection washer and the second protection washer A plurality of groups of first airbags are arranged between the gaskets; a sliding cavity is opened inside the first handle; a plurality of groups of second airbags are arranged inside the sliding cavity; the ends of the two second airbags are close to each other. a sliding block is fixedly connected; the sliding block is slidably connected inside the sliding cavity; a ventilation pipe is communicated between the second air bag and the first air bag; an anti-skid belt is arranged inside the first handle; The two ends of the device are respectively fixed to the two sliding blocks; when in use, first hold the first grips on both sides with your hands, and put your hands into the interior of the ventilation tube, and then you can use the device normally. During the stretching process, by providing the first airbag, the first airbag will be squeezed during the stretching process of the first protective washer and the second protective washer, and the gas inside the first airbag will be released from the air. The ventilation tube enters the second air bag, and the two second air bags will push the slider to make the slider close to each other, and then the anti-skid belt will be pulled to the user's hand, so that the hand is tightly pressed on the user's hand. On the first handle, it is not easy to fall off when in use, and the safety in use is increased.

Preferably, the inside of the anti-skid belt is fixed with protective soft pads; the protective soft pads are provided with multiple groups inside the anti-skid belt; the protective soft pads are arranged on the side of the anti-skid belt away from the elongated spring; When the belt is pressed to the user's hand, it will contact the hand through the protective cushion, reducing the problem of damage to the user's hand caused by the non-slip belt directly rib to the hand for a long time.

Preferably, a plurality of groups of stable flexible sheets are fixedly connected to the side of the second handle close to the anti-skid belt; a first elastic cord is connected to the middle of the anti-skid belt and the stable flexible sheet; during the process of pressing the anti-skid belt to the hand In the middle, the stable flexible sheet will be pulled toward the hand through the first elastic pull cord, so that a plurality of stable flexible sheets will be pressed to the hand, which increases the safety of the operator during use.

Preferably, a plurality of groups of anti-skid grooves are formed in the middle of the stable flexible sheet; flexible anti-skid thorns are fixed inside the anti-skid grooves; the side walls of the flexible anti-skid thorns are provided with wave-shaped grooves; the wave-shaped grooves are connected to the stable flexible sheet A second elastic rope is fixed between the side walls; when the stabilizing flexible sheet is pressed to the hand, the flexible anti-slip thorn will contact the surface of the hand, and the flexible anti-slip thorn is provided with a wave-shaped groove to increase the flexibility of the anti-slip thorn and the hand. When the stabilizing flexible sheet is pressed to the hand, the flexible non-slipping thorn can contact the recessed position on the hand, increasing the contact area between the stabilizing flexible sheet and the hand, so that the stabilizing flexible sheet can be Adapt to different shapes of hands and increase the protection performance of the stable flexible sheet.

Preferably, the first handle is covered with a water-absorbing sponge; the interior of the first handle cavity is slidably connected with a plurality of sets of support frames; a third air bag is fixed between the support frames; the third air bag An air tube is communicated with the first air bag; when the first air bag is squeezed by the first protective washer and the second protective washer, a part of the gas will enter the interior of the third air bag through the air tube, and then it will absorb water The sponge expands on the first handle, increasing the contact strength between the absorbent sponge and the hand, so that the absorbent sponge can absorb more sweat on the hand, and reduce the sliding problem of the hand when holding the absorbent sponge.

Preferably, a ventilation cavity is opened inside the water absorbent sponge; a plurality of groups of air vents are provided on both sides of the ventilation cavity; a ventilation cavity and an air release port are provided inside the water absorbent sponge, which can be partially opened when the water absorbent sponge is not held. The gas flows through the inside of the ventilation cavity, which increases the drying speed of the sweat inside the absorbent sponge, and further ensures the stability of the entire device during use.

Preferably, a support bar is fixed on the support frame; the support bar is arranged on the side of the support frame close to the water absorbent sponge; the support bars are provided with multiple groups on the support frame; the support bars are arranged on the support frame The top is inclined setting; by having multiple sets of support strips on the support frame, the support strips can hold up the absorbent sponge when the absorbent sponge is not held, increase the air flow inside the ventilation cavity, and further increase the air flow inside the absorbent sponge. Sweat drying speed, and the support bar is inclined, so that when the absorbent sponge is held, the support bar can be neatly shifted to one side, avoiding the problem of hand discomfort caused by the overlapping of multiple support bars.

Preferably, an air guide hole is provided inside the support bar; the air guide hole is set with one end large and one end small; by providing the air guide hole inside the support bar, the influence of the support bar on the airflow in the ventilation cavity can be reduced, and the air flow in the ventilation cavity can be reduced. The air guide hole is set to be large at one end and small at the other, which further ensures that the support bar will be inclined to one side when it is inclined.

Preferably, a placement slot is formed on the support bar; an elastic gasket is fixed inside the placement slot; a first magnet is fixed on the inner side wall of the elastic gasket; a positioning slot is opened on the side wall of the support frame; The position of the positioning slot corresponds to the position of the placement slot; the inner side wall of the positioning slot is fixed with a second magnet; when the support bar is attached to the support frame, the first magnet and the second magnet will attract each other, and the elastic pad is at this time. The plate will be inclined to the inside of the positioning groove, which can reduce the phenomenon that the support bar will appear on the support frame, thereby improving the stability.

Preferably, a flexible dust cover is fixed inside the positioning groove; by providing a flexible dust cover inside the positioning groove, sweat can be prevented from entering the interior of the positioning groove, thereby reducing the corrosion of sweat to the second magnet. Increase the service life of the second magnet.

The beneficial effects of the present invention are:

1. The present invention provides a stretching device for physical fitness. During the stretching process, by providing the first airbag, the first airbag can be stretched during the stretching process of the first protective washer and the second protective washer. When squeezed, the gas inside the first air bag will enter the second air bag from the vent tube, and the two second air bags will push the slider to make the slider close to each other, and then the anti-skid belt will be used. The hand of the person is pulled, so that the hand is tightly pressed on the first handle, so that the problem of falling off is not easy to occur during use, and the safety during use is increased.

2. When the anti-skid belt is pressed to the user's hand, it will contact the hand through the protective cushion to reduce the problem of damage to the user's hand caused by the anti-skid belt directly rib to the hand for a long time; when the anti-skid belt is pressed to the hand In the process of moving, the stable flexible sheet will be pulled toward the hand through the first elastic pull cord, so that a plurality of stable flexible sheets will be pressed to the hand, which increases the safety of the operator during use.

3. When the stabilizing flexible sheet is pressed to the hand, the flexible anti-slip thorn will contact the surface of the hand, and the flexible anti-slip thorn is provided with a wave-shaped groove to increase the friction between the flexible anti-slip thorn and the hand, and the flexible anti-slip thorn is provided. When the stable flexible sheet is pressed on the hand, the flexible anti-slip thorns can contact the recessed position on the hand, increasing the contact area between the stable flexible sheet and the hand, so that the stable flexible sheet can be adapted to different shapes of hands, increasing the stable flexible sheet protection performance.

Description of drawings

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is the perspective view of the present invention;

Fig. 2 is the sectional view of the present invention;

Figure 3 is a cross-sectional view of the grip anti-dropping structure;

FIG. 4 is a schematic structural diagram of the cooperation between the anti-skid belt and the second handle;

Fig. 5 is the structural representation of stabilization sheet;

Figure 6 is a schematic structural diagram of the cooperation between the sweat-absorbing sponge and the handle;

7 is a schematic structural diagram of a flexible support rod;

8 is a schematic structural diagram of a flexible dust cover;

illustration:

1. The first handle; 11. The elongated spring; 12. The second handle; 13. The first protective washer; 14. The second protective washer; 15. The first air bag; 16. The sliding cavity; 17. The first 2. Airbag; 18. Slider; 19. Snorkel; 110. Anti-skid belt; 2. Protective cushion; 3. Stable flexible sheet; 31. First elastic cord; 4. Anti-skid groove; 41. Flexible anti-skid thorn; 42 , wavy groove; 43, the second elastic rope; 5, the water absorbing sponge; 51, the third air bag; 52, the airway; 53, the support frame; 6, the ventilation cavity; 61, the air vent; 7, the support strip; 8, Air guide hole; 9, placement slot; 91, elastic gasket; 92, first magnet; 93, positioning slot; 94, second magnet; 95, flexible dust cover.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Specific examples are given below.

Example 1

Please refer to FIG. 1 to FIG. 7 , the present invention provides a stretcher for sports and fitness, including a first grip 1 ; a pair of the first grip 1 is provided; A group of long strip springs 11; a second handle 12 is installed inside the first handle 1 through a spring; a first protective washer 13 is arranged between multiple groups of the first handle 1; the first protective washer 13 is sleeved on the elongated spring 11; the first protection washer 13 is sleeved with a second protection washer 14; the two ends of the second protection washer 14 are fixed to the two first grips 1; A plurality of groups of first airbags 15 are arranged between a protective washer 13 and a second protective washer 14 ; a sliding cavity 16 is formed inside the first handle 1 ; and a plurality of groups of second airbags are arranged in the sliding cavity 16 17 ; the ends of the two second airbags 17 that are close to each other are fixed with sliders 18 ; the sliders 18 are slidably connected inside the sliding cavity 16 ; the second airbag 17 and the first airbag 15 are in communication There is a ventilation pipe 19; the first handle 1 is provided with an anti-skid belt 110; the two ends of the anti-skid belt 110 are respectively fixed to the two sliding blocks 18; when using, first hold both sides by hand the first handle 1, and put your hand into the interior of the ventilation tube 19, and then the device can be used normally. During the stretching process, by providing the first airbag 15, the first protective gasket 13 and When the second protective gasket 14 is stretched, the first airbag 15 will be squeezed. At this time, the gas inside the first airbag 15 will enter the second airbag 17 from the vent tube 19. At this time, the two second airbags will 17 will push the slider 18 so that the sliders 18 are close to each other, and then the anti-skid belt 110 will be pulled towards the user's hand, so that the hand is tightly pressed on the first handle 1, so that when in use The problem of falling off is not easy to occur, which increases the safety during use.

The inside of the anti-skid belt 110 is fixed with a protective soft pad 2; the protective soft pad 2 is provided with multiple groups inside the anti-skid belt 110; When the anti-skid belt 110 is pressed to the user's hand, it will contact with the hand through the protective cushion 2, reducing the problem of damage to the user's hand caused by the anti-skid belt 110 being directly ribbed to the hand for a long time.

The side of the second handle 12 close to the anti-skid strip 110 is fixedly connected with a plurality of sets of stable flexible sheets 3 ; the anti-skid strip 110 is connected to the middle of the stable flexible sheet 3 with a first elastic cord 31 ; In the process of the hand, the stable flexible sheet 3 will be pulled toward the hand by the first elastic cord 31, so that the plurality of stable flexible sheets 3 are pressed against the hand, which increases the safety of the operator during use.

A plurality of groups of anti-skid grooves 4 are formed in the middle of the stable flexible sheet 3; the inside of the anti-skid groove 4 is fixed with a flexible anti-skid thorn 41; the side wall of the flexible anti-skid thorn 41 is provided with a wave-shaped groove 42; A second elastic cord 43 is fixed between the side wall of the stabilizing flexible sheet 3; when the stabilizing flexible sheet 3 is pressed to the hand, the flexible anti-slip thorns 41 will contact the surface of the hand, and the flexible anti-slip thorns 41 are provided with waves The groove 42 can increase the friction between the flexible anti-slip thorns 41 and the hand, and the flexible anti-slip thorns 41 can make the flexible anti-slip thorns 41 contact the recessed position on the hand when the stable flexible sheet 3 is pressed on the hand, increasing the stability The contact area between the flexible sheet 3 and the hand enables the stable flexible sheet 3 to adapt to different shapes of hands, thereby increasing the protection performance of the stable flexible sheet 3 .

The first handle 1 is covered with a water-absorbing sponge 5; the cavity of the first handle 1 is slidably connected with a plurality of groups of support frames 53; a third air bag 51 is fixedly connected between the support frames 53; An air tube 52 is communicated between the third air bag 51 and the first air bag 15 ; when the first air bag 15 is squeezed by the first protective washer 13 and the second protective washer 14 , a part of the gas will enter through the air tube 52 into the air tube 52 . The inside of the third air bag 51 will then expand the water-absorbing sponge 5 on the first handle 1, increasing the contact strength between the water-absorbing sponge 5 and the hand, so that the water-absorbing sponge 5 can absorb more sweat on the hand, reducing the amount of sweat on the hand. Sliding problem when holding the absorbent sponge 5.

The inside of the water-absorbing sponge 5 is provided with a ventilation cavity 6; the two sides of the ventilation cavity 6 are provided with a plurality of groups of air vents 61; Part of the gas flows through the ventilation cavity 6 when holding it, which increases the drying speed of sweat inside the absorbent sponge 5 and further ensures the stability of the entire device during use.

The support frame 53 is fixed with a support bar 7; the support bar 7 is arranged on the side of the support frame 53 close to the absorbent sponge 5; the support bar 7 is provided with multiple groups on the support frame 53; The strips 7 are arranged obliquely on the support frame 53; by being provided with a plurality of groups of support strips 7 on the support frame 53, when the water absorbent sponge 5 is not held, the support strips 7 can support the water absorbent sponge 5 and increase the ventilation cavity 6 The air flow inside the absorbent sponge 5 further increases the drying speed of sweat inside the absorbent sponge 5, and the support bar 7 is set obliquely, so that when the absorbent sponge 5 is held, the support bar 7 can be neatly shifted to one side to avoid multiple The support bars 7 will be superimposed, which will cause discomfort to the hand.

The support bar 7 is provided with an air guide hole 8; the air guide hole 8 is arranged with one end large and one end small; by providing the air guide hole 8 inside the support bar 7, the air flow of the support bar 7 in the ventilation cavity 6 can be reduced. In addition, the air guide hole 8 is set to be large at one end and small at the other, which further ensures that when the support bar 7 is inclined, it will be inclined to one side.

A placing slot 9 is formed on the support bar 7; an elastic gasket 91 is fixed inside the placing slot 9; a first magnet 92 is fixed on the inner side wall of the elastic gasket 91; the side wall of the support frame 53 is opened There is a positioning slot 93; the position of the positioning slot 93 corresponds to the position of the placement slot 9; the inner side wall of the positioning slot 93 is fixed with a second magnet 94; when the support bar 7 is attached to the support frame 53, the first magnet 92 The second magnet 94 will be attracted to each other, and the elastic gasket 91 will be inclined to the inside of the positioning groove 93. This operation can reduce the phenomenon of the support bar 7 on the support frame 53, thereby improving the stability.

Embodiment 2

As shown in FIG. 8; Comparative Example 1; a flexible dust cover 95 is fixed inside the positioning groove 93; by providing a flexible dust cover 95 inside the positioning groove 93, sweat can be prevented from entering the interior of the positioning groove 93, Further, the corrosion of the second magnet 94 by sweat is reduced, and this operation can increase the service life of the second magnet 94 .

Working principle: When using, first hold the first grips 1 on both sides with your hands, and put your hands into the interior of the ventilation tube 19, and then you can use the device normally. There is a first air bag 15, and the first air bag 15 will be squeezed during the stretching process of the first protective gasket 13 and the second protective gasket 14, and the gas inside the first air bag 15 will enter from the vent pipe 19 at this time. Inside the second airbag 17, the two second airbags 17 will push the slider 18 to make the slider 18 approach each other, and then the anti-skid belt 110 will be pulled to the user's hand, so that the hand is tightly tightened. Press on the first handle 1 to make it less likely to fall off during use and increase the safety during use; when the anti-skid belt 110 is pressed to the user's hand, it will contact the hand through the protective cushion 2 , to reduce the problem of damage to the user's hand caused by the anti-skid belt 110 being directly ribbed to the hand for a long time; in the process of pressing the anti-skid belt 110 to the hand, the stable flexible sheet 3 will be pulled by the first elastic cord 31 toward the hand. so that the plurality of stable flexible sheets 3 are pressed onto the hand, which increases the safety of the operator during use; when the stable flexible sheet 3 is pressed onto the hand, the flexible anti-slip thorns 41 will contact the surface of the hand, and the flexible anti-slip thorns The wavy groove 42 on the 41 can increase the friction between the flexible anti-slip thorn 41 and the hand, and the flexible anti-slip thorn 41 can make the flexible anti-slip thorn 41 contact the hand when the stable flexible sheet 3 is pressed to the hand. The concave position increases the contact area between the stable flexible sheet 3 and the hand, so that the stable flexible sheet 3 can adapt to different shapes of hands, and increases the protection performance of the stable flexible sheet 3; When the protective gasket 14 is squeezed, a part of the gas will enter the third air bag 51 through the air tube 52, and then the water-absorbing sponge 5 will expand on the first handle 1, increasing the contact between the water-absorbing sponge 5 and the hand. The contact strength enables the absorbent sponge 5 to absorb more sweat on the hand, reducing the sliding problem of the hand when holding the absorbent sponge 5; the inside of the absorbent sponge 5 is provided with a ventilation cavity 6 and an air vent 61, which can be used in the absorbent sponge 5. When not being held, part of the gas flows from the inside of the ventilation cavity 6, which increases the drying speed of sweat inside the absorbent sponge 5, and further ensures the stability of the entire device during use; 7. When the absorbent sponge 5 is not held, the support bar 7 can hold up the absorbent sponge 5, increase the air flow inside the ventilation cavity 6, and further increase the drying speed of the sweat inside the absorbent sponge 5, and the support bar 7 is inclined. By setting, when the absorbent sponge 5 is held, the support bar 7 can be neatly shifted to one side, so as to avoid the problem of hand discomfort caused by the overlapping of multiple support bars 7; The air guide hole 8 can reduce the influence of the support bar 7 on the airflow circulating in the ventilation cavity 6, and the air guide hole 8 is set as one end is large and the other end is small, which further ensures that when the support bar 7 is inclined, it will tilt to one side; When the strip 7 is attached to the support frame 53, the first magnet 92 and the second magnet 9 4 will attract each other, at this time the elastic gasket 91 will be inclined to the inside of the positioning groove 93, this operation can reduce the phenomenon that the support bar 7 will appear on the support frame 53, and then can improve the stability; The flexible dust cover 95 is provided to prevent sweat from entering the positioning groove 93 , thereby reducing the corrosion of the second magnet 94 by the sweat, and this operation can increase the service life of the second magnet 94 .

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention.

Claims (10)

1. A stretcher for physical fitness, characterized in that: it comprises a first grip (1); the first grip (1) is provided with a pair; the first grip (1) is provided with a pair of Multiple sets of elongated springs (11); a second handle (12) is installed inside the first handle (1) through a spring; a first guard is provided between the two first handles (1) a washer (13); the first protection washer (13) is sleeved on the elongated spring (11); a second protection washer (14) is sleeved outside the first protection washer (13); the second protection Two ends of the gasket (14) are fixedly connected to the two first handles (1); a plurality of groups of first airbags (15) are arranged between the first protective gasket (13) and the second protective gasket (14); A sliding cavity (16) is provided inside the first handle (1); two second airbags (17) are arranged inside the sliding cavity (16); A sliding block (18) is fixedly connected to the close end; the sliding block (18) is slidably connected inside the sliding cavity (16); the second airbag (17) and the first airbag (15) communicate with A ventilation pipe (19); an anti-skid belt (110) is provided inside the first handle (1); two ends of the anti-skid belt (110) are respectively fixed to the slider (18). 2 . The stretcher for sports and fitness according to claim 1 , wherein: the anti-skid belt ( 110 ) is internally fixed with a protective soft pad ( 2 ); A plurality of groups are arranged inside the belt (110); the protective soft pad (2) is arranged on the side of the anti-skid belt (110) away from the elongated spring (11). 3. The stretcher for physical fitness according to claim 2, wherein a plurality of groups of stable flexible sheets (3 ); a first elastic cord (31) is connected to the middle of the non-slip strip (110) and the stable flexible sheet (3). 4. The stretcher for physical fitness according to claim 3, characterized in that: a plurality of groups of anti-skid grooves (4) are provided in the middle of the stable flexible sheet (3); A flexible anti-slip thorn (41) is connected; the side wall of the flexible anti-slip thorn (41) is provided with a wave-shaped groove (42); The second elastic cord (43). 5. A stretching device for physical fitness according to claim 4, characterized in that: the first handle (1) is covered with a water-absorbing sponge (5); the first handle (1) is empty A plurality of groups of support frames (53) are slidably connected inside the cavity; a third air bag (51) is fixedly connected between the support frames (53); the third air bag (51) is communicated with the first air bag (15) There is an airway (52). 6. A stretching device for physical fitness according to claim 5, characterized in that: a ventilation cavity (6) is opened inside the water-absorbing sponge (5); both sides of the ventilation cavity (6) are provided with Multiple sets of air vents (61). 7 . The stretcher for physical fitness according to claim 6 , wherein: the support frame ( 53 ) is fixedly connected with a support bar ( 7 ); the support bar ( 7 ) is arranged on the support frame (53) on the side close to the water-absorbing sponge (5); the support bars (7) are provided with multiple groups on the support frame (53); the support bars (7) are inclined on the support frame (53) . 8 . The stretcher for physical fitness according to claim 7 , wherein: the support bar ( 7 ) is provided with an air guide hole ( 8 ) inside; the air guide hole ( 8 ) is one end large and the other small set up. 9 . The stretching device for physical fitness according to claim 8 , wherein a placement groove (9) is provided on the support bar (7); the placement groove (9) is internally fixed with elasticity. 10 . a gasket (91); a first magnet (92) is fixedly connected to the inner side wall of the elastic gasket (91); a positioning groove (93) is formed on the side wall of the support frame (53); the positioning groove (93) The position corresponds to the position of the placement slot (9); the inner side wall of the positioning slot (93) is fixed with a second magnet (94). 10 . The stretching device for physical exercise according to claim 9 , wherein a flexible dust cover ( 95 ) is fixed inside the positioning groove ( 93 ). 11 .

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