CN111035895A

CN111035895A - Compression training device

Info

Publication number: CN111035895A
Application number: CN201811197831.7A
Authority: CN
Inventors: 赵之光; 魏文哲; 孙科
Original assignee: Beijing Yijiayuan Sports Technology Development Co Ltd
Current assignee: Beijing Yijiayuan Sports Technology Development Co Ltd
Priority date: 2018-10-15
Filing date: 2018-10-15
Publication date: 2020-04-21
Also published as: WO2020078045A1

Abstract

The invention relates to a compression training device, comprising: a tightening member including a tightening band and a fixing member, the fixing member being provided to the tightening band, the tightening band being capable of being wound around a predetermined position of any one of the limbs, the fixing member being configured to fix the tightening band so that the tightening band is kept wound around the predetermined position; an inflatable air bag connected with the tightening piece and arranged on one side surface of the tightening belt, wherein the inflatable air bag can be inflated to apply preset pressure to the preset position of the limb; and the restraint piece is arranged between the inflatable air bag and the lacing tape, at least part of the restraint piece is covered by the inflatable air bag, and when the lacing tape is wound on the limb and the inflatable air bag is inflated with gas, the restraint piece restrains the inflatable air bag so as to balance the pressure applied to the limb by the inflatable air bag. The compression training device can relieve the compression pain of the limbs, can accurately control the magnitude of the compressive stress applied to the limbs, and avoids the situation that the limbs bear overload compressive stress.

Description

Compression training device

Technical Field

The invention relates to the technical field of sports equipment, in particular to a compression training device.

Background

With the development of modern society, the rhythm of daily life of people is accelerated. Since people mainly spend most of their time in life and production, the time to actively participate in sports is greatly compressed. But people need to exercise physical functions through sports and keep themselves healthy. As such, passive exercise devices function as they are. Compression training devices are one type of passive training device. The compression training device can be wrapped around the root of any one of the limbs of the wearer, and can tighten the muscles near the root of the arm or leg of the wearer with a tightening force, thereby blocking the blood flow in the muscles and simulating a state in which the arm or leg of the wearer is vigorously moved. The state in which blood flow in the muscle is blocked and then the blood is retained, lactic acid is generated, and the muscle is fatigued is relatively close to the state in which the limbs exercise vigorously.

Currently, a compression training apparatus applies pressure to or releases a limb by inflating and deflating an inflatable bladder included in the apparatus. However, inflation of the inflatable balloon occurs during inflation. The amount of pressure exerted by the inflated bladder on the limb in the inflated condition is unstable and not easily controlled, so that there is a risk of damage to the muscles caused by applying an excessive tightening force to the limb.

Disclosure of Invention

The embodiment of the invention provides a compression training device, which can relieve the compression pain of limbs, can accurately control the magnitude of compressive stress applied to the limbs, avoids the situation that the limbs bear overload compressive stress, and improves the safety and comfort level of the compression training process.

The embodiment of the invention provides a compression training device, which comprises:

a tightening member including a tightening band and a fixing member, the fixing member being provided on the tightening band, the tightening band being capable of being wound around a predetermined position of any one of the limbs, the fixing member being configured to fix the tightening band so that the tightening band is kept wound around the predetermined position; an inflatable airbag connected with the tightening member and disposed on one side surface of the tightening band, the inflatable airbag being capable of being inflated to apply a predetermined pressure to a predetermined position of the limb; and the restraint piece is arranged between the inflatable air bag and the lacing tape, at least part of the restraint piece is covered by the inflatable air bag, and when the lacing tape is wound on the limb and the inflatable air bag is inflated with gas, the restraint piece restrains the inflatable air bag so as to balance the pressure applied to the limb by the inflatable air bag.

According to an aspect of the embodiment of the invention, the tightening strap has a circumferential section in a length direction of the tightening strap for wrapping the limb entirely in a circumferential direction of the limb and capable of forming a first annular layer outside the limb, the annular section being at least partially covered by the constraining member.

According to an aspect of an embodiment of the invention, the constraining member has a largest dimension in the width direction of the tightening band that is less than or equal to the width of the tightening band.

According to an aspect of the embodiment of the present invention, the restraint member has a maximum dimension in the width direction of the tightening band that is greater than or equal to a maximum dimension of the inflatable airbag.

According to an aspect of an embodiment of the invention, the restraint member has a maximum dimension in a range of 0.5cm to 5.5cm in a width direction of the tightening strap.

According to one aspect of an embodiment of the invention, the restraint is a unitary flexible sheet extending in a lengthwise direction of the tying lace.

According to one aspect of an embodiment of the invention, the restraint comprises at least two sheets spaced apart along the length of the tying lace.

According to one aspect of an embodiment of the invention, the distance between two adjacent sheets ranges from 0.1mm to 0.6 mm.

According to an aspect of the embodiment of the present invention, the compression training apparatus further comprises a connecting member, and the inflatable airbag is connected and fixed to the tightening strap through the connecting member.

According to one aspect of an embodiment of the invention, the connecting member is a flexible breathable sheet material.

According to the pressurization training device comprising the restraint member provided by the embodiment of the invention, the pressure generated when the interior of the inflatable air bag is inflated acts on the whole air bag wall of the inflatable air bag. However, since the wall portion of the inflatable bladder facing the restraint member is restrained by the restraint member, the inflatable bladder exerts an effective compressive stress on the limb primarily through the expansive deformation of the wall portion facing away from the restraint member. Thus, on the one hand, the inflated airbag is restrained by the restraining member, so that the cross-sectional shape of the inflated airbag is more flattened. The area of the wall of the inflatable air bag facing away from the restraining member in contact with the skin is increased. Under the condition of equal pressure inside the inflatable air bag, the pressure intensity is reduced when the contact area is increased, so that the compression stimulation of the inflatable air bag to the limbs at the contact part is reduced, the compression pain and the discomfort of the limbs are obviously relieved, and the comfort level of the compression training is improved. On the other hand, the inflatable bladder applies compressive stress to the limb through the wall portion facing away from the restraint. The internal pressure of the inflatable air bag is basically consistent with the compressive stress directly borne by the limb, so that the compressive stress applied to the limb by the inflatable air bag is more stable and accurate, accurate control is easy to realize, the overload pressure condition of the limb is avoided, and the training effect and the comfort level are improved.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present invention will be described below by referring to the accompanying drawings.

FIG. 1 is a schematic diagram of a compression training apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of a pressurized training device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a portion of a compression training apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic partial view of a compression training apparatus according to another embodiment of the present invention;

FIG. 5 is a schematic side view of a compression training apparatus according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a compression training apparatus according to an embodiment of the present invention.

In the drawings, the drawings are not necessarily to scale.

Description of the labeling:

1. a tightening member; 11. a tightening strap; 11a, a surrounding section; 11b, a pressing section; 12. a fixing member;

2. an inflatable air bag; 21. an outer sidewall; 22. an inner sidewall;

3. a restraint;

4. a connecting member;

99. a limb;

x, length direction; y, width direction; z, thickness direction.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the described embodiments.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships merely to facilitate description of the invention and to simplify description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

For a better understanding of the present invention, the pressurized training device according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 6.

Fig. 1 schematically illustrates the structure of a compression training apparatus according to an embodiment of the present invention. Fig. 2 schematically illustrates the use of the compression training apparatus according to an embodiment of the present invention. Fig. 3 schematically illustrates a partial structure of a compression training apparatus according to an embodiment of the present invention. Fig. 4 schematically shows a partial structure of a compression training apparatus according to another embodiment of the present invention. FIG. 5 schematically illustrates a side view of the compression training device in accordance with an embodiment of the present invention. Fig. 6 schematically illustrates a cross-sectional view of a compression training apparatus according to an embodiment of the present invention.

As shown in fig. 1, the compression training apparatus according to the embodiment of the present invention includes a tightening member 1 and an inflatable airbag 2. The tightening member 1 includes a tightening band 11 and a fixing member 12 provided on the tightening band 11. As shown in fig. 2, the tightening band 11 can be wound around a predetermined position tightened on any one of the limbs 99. The predetermined position here may be the root of the limb 99 or an area close to the root. The fixing member 12 is used to fix the tightening band 11 so that the tightening band 11 is kept in a state of being wound around the limb 99 at a predetermined position, and the whole compression training apparatus is prevented from being loosened and separated from the predetermined position.

In one embodiment, the tightening strap 11 is a flexible structure that facilitates bending upon itself to wrap around the limb 99 in a more snug state. The fixing member 12 may include a hook and loop fastener provided at one end of the fastening band 11 and a hook and loop fastener provided at the other end of the fastening band 11. The fixing member 12 may include a buckle provided at one end of the tightening band 11 and a buckle hole provided at the other end of the tightening band 11.

The inflatable airbag 2 of the present embodiment is connected to the tightening member 1 and is provided on the surface of the tightening band 11. The inflatable bladder 2 can be inflated to deform itself so as to apply a predetermined pressure to a predetermined location of the limb 99. After the tightening strap 11 is wound around the predetermined position of the limb 99 and the fixation is completed, the inflatable air cells 2 are interposed between the tightening strap 11 and the limb 99. Then, the gas is gradually filled into the inflatable air bag 2, and the pressure applied to the limb 99 is gradually increased in the process of gradual expansion of the inflatable air bag 2. When the pressure applied to the limb 99 by the inflatable bladder 2 reaches a predetermined pressure, the inflation operation is stopped. When the inflatable bladder 2 needs to reduce the pressure to release the limb 99, the gas within the inflatable bladder 2 is exhausted, and the pressure of the inflatable bladder 2 on the limb 99 is reduced.

As shown in fig. 3 to 6, the compression training apparatus according to the embodiment of the present invention further includes a restraining member 3. The tether 3 is disposed between the inflatable airbag 2 and the tightening band 11 and the tether 3 is at least partially covered by the inflatable airbag 2. The inflatable bladder 2 of this embodiment has an outer side wall 21 disposed opposite the restraint 3 and an inner side wall 22 for contact with the limb 99. In one embodiment, the restraint 3 is entirely covered by the inflatable balloon 2. When the tightening strap 11 is wound around the limb 99 and the inflatable bladder 2 is inflated, the restraint member 3 restrains the inflatable bladder 2 to equalize the pressure applied to the limb 99 by the inflatable bladder 2. In one embodiment, when the inflatable bladder 2 is wrapped around the limb 99, the inflatable bladder 2 is wrapped completely around the limb 99 to form a ring-like structure to facilitate the application of pressure to the entire circumferential surface of the limb 99. At this time, the tether 3 is also formed in a ring shape, entirely surrounding the inflatable airbag 2.

The compression training apparatus according to the embodiment of the present invention is wound around a predetermined position of the limb 99 of the wearer by the tightening band 11, and then inflates the inflatable air cells 2 so that the inflatable air cells 2 apply compressive stress to the limb 99. Since the restraint member 3 exerts restraint on the outer side wall 21 of the inflatable bladder 2, the inflatable bladder 2 is inflated and deformed mainly toward the limb 99 side through the inner side wall 22. Since the outer side wall 21 of the inflatable bladder 2 facing away from the limb 99 is restrained by the restraint 3, the pressure on the outer side wall 21 of the inflated inflatable bladder 2 is substantially balanced by the restraint 3, and the pressure generated by the inflatable bladder 2 is mainly transmitted to the limb 99 through the inner side wall 22. The pressure exerted on the skin by the inner side walls 22 of the inflatable bladders 2 will ultimately act on the limb 99 muscles. Since the pressure generated inside the inflatable bladder 2 is applied to the limb 99 mostly directly through the inner side wall 22, the pressure device for inflating and pressurizing the inflatable bladder 2 exhibits a set pressure parameter substantially identical to the pressure that the limb 99 directly receives from the inflatable bladder 2, thereby making it easy to control the inflatable bladder 2 to apply the predetermined pressure to the limb 99 more accurately.

Under the same other conditions, the compression training device comprising the restraint 3 has better stability and repeatability of the pressure applied to the limb 99 by the inflatable air bag 2, is easier to accurately control the pressure, and avoids the limb 99 bearing overload pressure. Due to the different types of subjects using the compression training apparatus and the different exercise goals of each individual, the pressure requirements that the compression training apparatus is required to apply to the limb 99 also vary. The compression training device comprising the restraint part 3 provided by the embodiment of the invention is easier to accurately control the pressure exerted by the inflatable air bag 2 on the limb 99, so that the adaptability is stronger, and the preset pressure values exerted on the limbs 99 of different individuals can be more accurate and effective. In addition, when the operation of pressurizing and restricting blood flow is performed by using the inflatable balloon 2 and the inflatable balloon 2 is required to apply a predetermined pressure of the same magnitude to the limb 99, the internal pressure of the inflatable balloon 2 restrained by the restraining member 3 is smaller than the internal pressure of the inflatable balloon 2 not restrained by the restraining member 3, thereby effectively reducing the power requirement of the pressurizing equipment for inflating the inflatable balloon 2.

Since the outer side wall 21 of the inflatable bladder 2 is restrained by the restraining member 3, the inner side wall 22 of the inflatable bladder 2 is mainly expanded and deformed toward the limb 99 during the inflation process. The cross section of the inflatable airbag 2 is flatter, and the cross section of the inflatable airbag 2 is closer to a cylindrical shape during the inflation of the inflatable airbag 2 which is not restrained by the restraining member 3. In one example, the cross-section of the inflatable bladder 2 is more nearly elliptical, whereas the cross-section of the inflatable bladder 2 is more nearly circular during inflation of the inflatable bladder 2 that is not restrained by the restraining member 3. In this way, the contact area of the inner side wall 22 of the inflatable airbag 2 of the embodiment of the present invention with the skin is increased, as compared with a compression training apparatus not provided with the restraining member 3. Under the condition that the inflatable air bag 2 applies equal pressure to the limb 99, the contact area between the inflatable air bag 2 and the limb 99 is increased, so that the pressure of the inflatable air bag 2 to the limb 99 is reduced, the pressure stimulation of the inflated inflatable air bag 2 to the muscles in the contact area is reduced, the discomfort such as the compression pain of the limb 99 is effectively relieved, the acceptable degree of the compression training device is easily improved, and the comfort level in the training process is improved.

In one embodiment, the tying lace 11 has a predetermined thickness, length, and width. The tying lace 11 comprises a first surface and a second surface opposite in the thickness direction Z, wherein the first surface faces away from the limb 99 and the second surface faces toward the limb 99 when the tying lace 11 is wrapped around the limb 99. The constraining member 3 is provided on the second surface, and the inflatable airbag 2 is also provided on the second surface side and is disposed to overlap with the constraining member 3 in the thickness direction Z of the tightening band 11.

The tightening band 11 of the present embodiment has a circumferential section extending in the longitudinal direction X and a pressing section. The encircling segments are adapted to wrap the limb 99 entirely around the circumference of the limb 99 and can form a first circumferential layer outside the limb 99. The length of the encircling section can be selected according to the thickness of the limbs 99 of different people, or can be a predetermined length value to adapt to the limbs 99 of different people. In one example, where the length of the looped section is equal to the circumference of the limb 99, the constricting section overlies the first loop formed by the looped section, sequentially forms a second loop, or further forms a third loop, etc. Thus, the restraining ability of the tightening band 11 to the inflatable air bag 2 can be further enhanced, and the inflatable air bag 2 is ensured to be expanded and deformed mainly in the direction of the limb 99.

The ring segment of this embodiment is at least partially covered by the restraint 3. In one embodiment, the ring segment is completely covered by the constraint 3. The restraint 3 is entirely covered with the inflatable airbag 2. When the loop segments of the tightening band 11 are wound around the limb 99 and form the first loop layer, the restrainers 3 provided on the loop segments form a restraining loop as a whole and the circumference of the restraining loop is the same as the circumference of the wound limb 99, so that the limb 99 is entirely covered with the restrainers 3 in its circumferential direction. At this time, the inflatable bladder 2 superposed on the restraint 3 also forms a bladder loop in the circumferential direction of the limb 99 and the bladder loop covers the limb 99 as a whole. Thus, when the inflatable bladder 2 is inflated, the inflatable bladder 2 applies pressure to the limb 99 from the entire circumference of the limb 99, so as to effectively reduce the blood flow rate in the limb 99 and prolong the blood retention time. In another embodiment, a portion of the ring segment is covered by the restraint 3. The restraint 3 is entirely covered with the inflatable airbag 2. Thus, when the tightening strap 11 is wrapped around the limb 99, the inflatable bladder 2 covers only a partial area of the limb 99, for example, an area of 1/4 circumference, 1/2 circumference, or 3/4 circumference of the limb 99. According to the training requirement, the compression training device of the embodiment can meet the condition that the local part of the limb 99 needs to be subjected to compression training.

In the embodiment of the present invention, the maximum dimension of the constraining member 3 in the width direction Y of the tightening band 11 is smaller than or equal to the width of the tightening band 11. On one hand, the tightening band 11 can completely cover the constraining member 3 from the outside of the constraining member 3 to apply pressing force to each region of the constraining member 3, improving the matching degree of the tightening band 11 and the constraining member 3; on the other hand, the constraining member 3 is not exposed outside the tightening strap 11, so that the constraining member 3 is prevented from applying pressure to the uncovered area of the limb 99, the stress of the limb 99 is not easy to realize accurate control, the training quality is influenced, meanwhile, the constraining member 3 is prevented from scratching the limb 99 in the installation and fixation process of the compression training device, and the safety in the use process is improved.

In the embodiment of the present invention, in the width direction Y of the tightening strap 11, the maximum dimension of the restraint member 3 is greater than or equal to the maximum dimension of the inflatable airbag 2, so that in the width direction Y, the inflatable airbag 2 is completely covered by the restraint member 3, and the whole is restrained by the restraint member 3, so as to ensure that the compressive stresses applied to the limb 99 when the inflatable airbag 2 is inflated by the inflation gas are all effective compressive stresses. Therefore, the pressure inside the inflatable air bag 2 is basically consistent with the pressure born by the limb 99, and the invalid pressure stress generated because a part of the inflatable air bag 2 is not restrained by the restraining part 3 can not be generated, so that the pressure inside the inflatable air bag 2 is larger than the valid pressure stress applied to the limb 99, and the training effect is not influenced by accurately controlling the pressure stress applied to the limb 99 through the inflatable air bag 2.

In one embodiment, the maximum dimension of the restraining element 3 in the width direction Y of the tightening strap 11 ranges from 0.5cm to 5.5 cm. The fitness is flexibly selected according to the thickness degree of the limbs 99 and the stress area requirement of the limbs 99, and the wearing comfort and the compression training effect are improved.

As shown in fig. 3, the constraining member 3 of the present embodiment may be a one-piece flexible sheet extending in the longitudinal direction X of the tying lace 11. The binding member 3 is of a strip structure as a whole. The constraint 3 of this embodiment has good deformability making it easy to wrap around the periphery of the limb 99 and to match the peripheral contour of the limb 99. The restraint part 3 constructed by the integrated flexible sheet can completely cover the inflatable air bag 2 integrally, so that when the pressurizing training device is installed and fixed on the limb 99, the restraint part 3 can generate effective restraint force on the inflatable air bag 2, and the inner side wall 22 of the inflatable air bag 2 is ensured to fully expand and deform the limb 99 and apply balanced pressure stress to each area in the circumferential direction of the limb 99. In one embodiment, the material of the integrated flexible sheet is plastic or metal, so that the integrated flexible sheet has good deformability and rigidity. Alternatively, the constraining member 3 may be fixed to the tightening band 11 by bonding or sewing. Preferably, the binding member 3 is sewn to the tightening band 11 by a wire.

As shown in fig. 4 to 6, the constraining member 3 of the present embodiment may further include at least two sheets. At least two sheets are provided at intervals in the longitudinal direction X of the tying band 11. In one example, when the compression training device is restrained to a predetermined position of the limb 99 by the cinch strap 11, at least two sheets of material combine together to form a cinch ring. The restraint ring formed by at least two sheets can completely cover the inflatable air bag 2, so that effective restraint force is generated on the inflatable air bag 2, the inflatable air bag 2 is ensured to be fully expanded and deformed to the limb 99, and the pressure stress applied to each area on the circumference of the limb 99 is more balanced. In one embodiment, each sheet is made of plastic or metal, so that the sheet has good deformability and rigidity. Alternatively, each sheet may be fixed to the tightening band 11 by bonding or sewing. Preferably, each sheet is sewn to the tying lace 11 by a thread.

In one embodiment, the distance between two adjacent sheets ranges from 0.1mm to 0.6 mm. In this way, when the distance between two adjacent sheets is the minimum, when all the sheets are configured into a restraining ring, the two adjacent sheets do not interfere with each other in position, so that the two adjacent sheets are overlapped, and thus a gap is formed between the other sheet overlapped on one sheet and the inflatable airbag 2, and the other sheet cannot be completely attached to the inflatable airbag 2, so that the portion of the inflatable airbag 2 corresponding to the sheet cannot be effectively restrained. Under the condition that the distance between two adjacent sheets is the maximum, the constraint failure caused by that a part of the inflatable air bag 2 enters the gap between two adjacent sheets when the inflatable air bag 2 expands and deforms is avoided, the sheet is effectively ensured to exert the constraint effect on the inflatable air bag 2, and the internal pressure of the inflatable air bag 2 is ensured to be basically consistent with the pressure exerted on the limb 99.

As shown in fig. 5 and 6, the compression training apparatus of the present embodiment further includes a connecting member 4. The inflatable air bag 2 is connected and fixed to the tightening strap 11 through the connecting piece 4. The inflatable air bag 2 is restrained by the connecting piece 4, the position of the inflatable air bag 2 can not move to the maximum extent relative to the restraining piece 3, the possibility that the restraining piece 3 can not completely cover the inflatable air bag 2 due to the fact that a part of the inflatable air bag 2 extends out of the edge of the restraining piece 3 is reduced, the situation that the internal pressure of the inflatable air bag 2 is larger than the effective pressure applied to the limb 99 due to the fact that a part of the inflatable air bag 2 cannot be restrained by the restraining piece 3 is avoided, and the magnitude of the pressure stress applied to the limb 99 by the inflatable air bag 2 can not be accurately controlled.

In one embodiment, the connecting member 4 may be a flexible breathable sheet material. Optionally, the flexible breathable sheet material completely covers the inner side wall 22 of the inflatable bladder 2. The edges of the flexible breathable sheet material are sewn to the tightening band 11 by means of wires to wrap and fix the inflatable airbag 2. The flexible breathable sheet has good deformability, not only can be effectively fixed to the inflatable air bag 2, but also can be synchronously deformed with the inflatable air bag 2 when the inflatable air bag 2 is expanded and deformed, so that the inner side wall 22 of the inflatable air bag 2 cannot be restrained, the influence of the effective pressure stress applied to the limb 99 to the inflatable air bag 2 is reduced, and the effective pressure stress applied to the limb 99 by the inflatable air bag 2 is accurately controlled. In one example, the flexible breathable sheet material is a flat, flexible sheet-like fabric constructed by crossing, intertwining, joining. Further, the fabric is a vegetable fibre product, which may be cotton cloth, for example. The fabric has good air permeability and skin affinity, and the wearing safety and the comfort of the compression training device are ensured.

The compression training apparatus including the restraint 3 of the embodiment of the present invention applies the pressure generated when the inside of the inflatable airbag 2 is inflated to the entire airbag wall of the inflatable airbag 2. However, since the outer side wall 21 of the inflatable bladder 2 is restrained by the restraining member, the inflatable bladder 2 exerts an effective compressive stress on the limb 99 primarily through the expansive deformation of the inner side wall 22. Thus, on the one hand, the inner side wall 22 of the inflatable airbag 2 is more expansive than the outer side wall 21, so that the cross-sectional shape of the inflated airbag 2 becomes flatter. The contact area of the inner side wall 22 of the inflatable air bag 2 with the skin is increased. Under the condition of equal pressure inside the inflatable air bag 2, the pressure is reduced when the contact area is increased, so that the compression stimulation of the contact part limb 99 by the inflatable air bag 2 is reduced, the compression pain and discomfort of the limb 99 are obviously relieved, and the comfort level of the compression training is improved. On the other hand, the inflatable bladder 2 applies compressive stress to the limb 99 through its inner side wall 22. The internal pressure of the inflatable air bag 2 is basically consistent with the compressive stress directly born by the limb 99, so that the compressive stress exerted on the limb 99 by the inflatable air bag 2 is more stable and accurate, and accurate control is easy to realize.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A compression training device, comprising:

a tightening member including a tightening band and a fixing member, the fixing member being provided to the tightening band, the tightening band being capable of being wound around a predetermined position of any one of the limbs, the fixing member being configured to fix the tightening band so that the tightening band is kept wound around the predetermined position;

an inflatable air cell connected with the tightening member and provided at one side surface of the tightening band, the inflatable air cell being capable of being inflated to apply a predetermined pressure to the predetermined position of the limb;

and the restraint piece is arranged between the inflatable air bag and the lacing tape, at least part of the restraint piece is covered by the inflatable air bag, and when the lacing tape is wound on the limb and the inflatable air bag is inflated with gas, the restraint piece restrains the inflatable air bag so as to balance the pressure exerted on the limb by the inflatable air bag.

2. The compression training apparatus as claimed in claim 1, wherein the tightening strap has a circumferential section in a length direction of the tightening strap for wrapping the limb entirely in a circumferential direction of the limb and capable of forming a first annular layer outside the limb, the annular section being at least partially covered by the restraining member.

3. The compression training apparatus of claim 1, wherein the restraint has a maximum dimension in the width direction of the tying lace that is less than or equal to the width of the tying lace.

4. The compression training apparatus of claim 1, wherein the restraint has a maximum dimension in the width direction of the tightening strap that is greater than or equal to a maximum dimension of the inflatable bladder.

5. The compression training device of claim 3 or 4, wherein the restraint has a maximum dimension in the width direction in the range of 0.5cm to 5.5 cm.

6. The compression training device of claim 1, wherein the restraint is a unitary flexible sheet extending lengthwise of the tying lace.

7. The compression training device of claim 1, wherein the restraint comprises at least two sheets of material spaced apart along the length of the tying lace.

8. The compression training device of claim 7, wherein the distance between two adjacent sheets ranges from 0.1mm to 0.6 mm.

9. The training apparatus of any one of claims 1-4 and 6-8, further comprising a connector, wherein the inflatable bladder is connected and secured to the tightening strap by the connector.

10. The compression training device of claim 9, wherein the connector is a flexible breathable sheet material.