Muscle relaxation device for enhancing compressive strength

Abstract

A muscle relaxation device capable of enhancing compressive strength comprises a body unit and a gas transmission unit connected to the body unit. The body unit has a predetermined length and a predetermined width, and comprises an inflatable part and a structural strengthening layer wrapping the inflatable part. Therefore, the gas pressure in the inflation part is adjusted through the gas transmission unit, the purposes of adjusting the hardness and reducing the size are achieved, the internal and external compressive strength of the inflation part is strengthened and increased through the structure strengthening layer, and the inflation part can meet the requirements for the hardness of muscles of different parts of the human body. Different pressing force is generated, then the effect of relaxing muscles of different parts of the human body is achieved, different use requirements can be met, the occupied space can be reduced, and the device is easy to store and carry.

Description

Technical Field

[0001] The invention relates to a muscle relaxant, in particular to a muscle relaxant with adjustable hardness. Background Art

[0002] See also Figure 1 The common yoga column 1 on the market usually uses a single material layer 11 to form a plurality of massage parts 111 that can contact the human body. Thereby, different massage effects are achieved through the action of the yoga column 1 pressing or rolling on the human body.

[0003] However, since the yoga column 1 is made of a single material, the massage effect that can be produced when it contacts the human body cannot be changed, and the massage needs of different users or different body parts cannot be met.

[0004] Furthermore, since the yoga column 1 is cylindrical and has a considerable volume, it will occupy a large space if the volume cannot be reduced, thus causing troubles during storage. Summary of the invention

[0005] The purpose of the present invention is to provide a muscle relaxation device with enhanced compressive strength that can produce different pressing effects on muscles, has good compressive strength, and can reduce the space occupied, thereby improving space efficiency, portability, and safety in use.

[0006] The muscle relaxation device with enhanced compressive strength of the present invention comprises a main body unit and a gas transmission unit.

[0007] The main body unit has a predetermined length along the axial direction and a predetermined width along the direction perpendicular to the axial direction, and includes an inflatable piece that defines an inflatable space, and a structural reinforcement layer that is coated on the outer surface of the inflatable piece and is made of a different material from the inflatable piece. The inflatable piece changes between an inflated state and a deflated state. In the inflated state, the gas pressure in the inflatable space is between 2psi and 35psi, and in the deflated state, the gas pressure in the inflatable space is less than 2psi.

[0008] The gas transmission unit is connected to the main body unit and is used to guide gas into and out of the gas-filled space.

[0009] The muscle relaxation device with enhanced compressive strength of the present invention has a predetermined length ranging from 5 in to 50 in, and a predetermined width ranging from 2 in to 15 in.

[0010] The muscle relaxation device with enhanced compressive strength of the present invention further comprises a contact layer coated on the outer surface of the structural strengthening layer.

[0011] In the muscle relaxation device with enhanced compressive strength of the present invention, the contact layer is made of polymer material.

[0012] The muscle relaxation device with enhanced compressive strength of the present invention further comprises a kit, which has elastic-plastic properties and defines an axial hole around the axis, and the main body unit is inserted into the axial hole.

[0013] The muscle relaxation device with enhanced compressive strength of the present invention is made of polymer material.

[0014] The muscle relaxation device with enhanced compressive strength described in the present invention, the main body unit also includes at least one mounting seat connected to the inflatable member, and the structural reinforcement layer has two end faces spaced apart along the axial direction, the at least one mounting seat defines a mounting hole extending along the axial direction and opening toward one of the end faces, and has an annular groove formed on the inner surface, the gas transfer unit is inserted into the mounting hole, and has at least one flange formed on the outer surface and corresponding to the annular groove.

[0015] The muscle relaxation device with enhanced compressive strength described in the present invention, the gas transmission unit includes an inflation valve connected to the main body unit, the inflation valve has an elastomer that defines an air gap, and at least one flange formed on the outer surface of the elastomer and corresponding to the annular groove, the elastomer can change between a closed state and an open state, in the closed state, the air gap is closed by the elastomer and blocks the outside from connecting to the inflation space, in the open state, the air gap can guide gas into and out of the inflation space.

[0016] The muscle relaxation device with enhanced compressive strength of the present invention, the gas transmission unit also includes an air pump arranged on the main body unit, and the air pump is used to guide external gas into the inflation space.

[0017] The muscle relaxation device with enhanced compressive strength described in the present invention, the main body unit includes a mounting seat, and also includes a carrier, the carrier is inserted into the mounting hole of the mounting seat, and has at least one flange formed on the outer surface and corresponding to the annular groove, and two sockets extending along the axial direction and connecting the inflation space with the outside world, the gas transmission unit includes an air pump arranged in one of the sockets of the carrier, and a valve group inserted in the socket, the air pump is used to guide external gas into the inflation space, and the valve group is used to guide the gas in the inflation space to be discharged to the outside world.

[0018] The muscle relaxation device with enhanced compressive strength described in the present invention comprises an air pump having a cylinder connected to the inflation space and the outside, and a piston rod movably inserted in the cylinder along the axial direction, the piston rod having a handle, the valve group having a valve seat defining a flow channel, a valve stem movably inserted in the flow channel along the axial direction, and an elastic element arranged between the valve stem and the valve seat, the elastic element constantly generating an elastic force causing the valve stem to close the flow channel.

[0019] The muscle relaxation device with enhanced compressive strength described in the present invention comprises a main body unit including two mounting seats, and the opening of the mounting hole of each mounting seat faces the respective end surface, and the gas transmission unit comprises an air pump inserted through the mounting hole of one of the mounting seats, and an inflation valve inserted through the mounting hole of the other mounting seat, and the air pump is used to guide external gas in and out and into the inflation space.

[0020] The muscle relaxation device with enhanced compressive strength described in the present invention, the main body unit also includes a carrier inserted into one of the mounting seats, the carrier has a main body seat clamped on the mounting seat, a tube wall extending from the main body seat along the axial direction and surrounding to define a receiving hole, and an external screw thread portion arranged at one end of the tube wall and defining a through hole, the gas transmission unit includes the air pump rotatably arranged on the carrier, and a knob combined with the air pump, the air pump can be rotated to move between an inflation position and a deflation position relative to the external screw thread portion, when in the inflation position, the air pump is in airtight contact with the external screw thread portion and blocks the passage of gas, when in the deflation position, the air pump is loosened from the external screw thread portion, and a gap for gas to pass through is formed between the air pump and the external screw thread portion.

[0021] In the muscle relaxation device with enhanced compressive strength of the present invention, the structural reinforcement layer is made of at least one of yarn, woven cloth, mesh cloth, chemical fiber cloth material and nylon material.

[0022] The muscle relaxation device with enhanced compressive strength of the present invention further comprises a jacket, which is used to encapsulate the main body unit and has a sleeve opening and a zipper capable of opening and closing the sleeve opening.

[0023] The muscle relaxation device with enhanced compressive strength of the present invention has at least one pressurized coupling flange protruding from the inner surface.

[0024] The muscle relaxation device with enhanced compressive strength of the present invention comprises a main body unit and a gas transmission unit.

[0025] The main body unit is cylindrical and has a predetermined length along the axial direction and a predetermined width along the direction perpendicular to the axial direction. It includes an inflatable piece made of natural rubber or synthetic rubber and defining an inflatable space, a structural reinforcement layer coated on the outer surface of the inflatable piece and made of a material different from that of the inflatable piece, and a contact layer coated on the outer surface of the structural reinforcement layer. The inflatable piece changes between an inflated state and a deflated state. In the inflated state, the gas pressure in the inflatable space is between 2psi and 35psi. In the deflated state, the gas pressure in the inflatable space is less than 2psi.

[0026] The gas transmission unit is connected to the main body unit and is used to guide gas into and out of the gas-filled space.

[0027] The beneficial effects of the present invention are as follows: the gas pressure in the inflatable part is adjusted by the gas transmission unit to achieve the purpose of adjusting the hardness and reducing the volume, and the inflatable part and the structural reinforcement layer are made of a laminated structure of different materials, and the structural reinforcement layer is strengthened to increase the internal and external compressive strength of the inflatable part, thereby improving the safety of use, and being able to generate different pressing pressure channels according to the hardness requirements of muscles in different parts of the human body, thereby achieving the effect of relaxing muscles in different parts of the human body, which can not only meet different usage requirements, but also reduce the occupied space and is easy to store and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Other features and effects of the present invention will be clearly presented in the embodiments with reference to the accompanying drawings, in which:

[0029] Figure 1 is a three-dimensional diagram illustrating an existing yoga column;

[0030] Figure 2 is a cross-sectional view illustrating a first embodiment of a muscle relaxation device with enhanced compressive strength according to the present invention;

[0031] Figure 3 is a partial cross-sectional exploded view illustrating the elastic body of the first embodiment in a closed state;

[0032] Figure 4 It is along Figure 2 a sectional view taken along line IⅤ-IⅤ in FIG.

[0033] Figure 5 is a partial cross-sectional view illustrating that the elastic body of the first embodiment changes to an open state due to the insertion of a needle tube;

[0034] Figure 6 is similar to Figure 2 sectional view of the invention, but with the inflatable member in a deflated state;

[0035] Figure 7 is a partial perspective cross-sectional view of the first embodiment, illustrating that the structural strengthening layer covers the contact layer;

[0036] Figure 8 is similar to Figure 2 sectional view of the kit, but the main unit is inserted into the kit;

[0037] Fig. 9 is a partial cross-sectional view illustrating a second embodiment of the muscle relaxation device with enhanced compressive strength according to the present invention;

[0038] Fig.10 is a partial cross-sectional view of the air pump and valve assembly of the second embodiment;

[0039] Fig.11 is a partial cross-sectional view illustrating the inflatable member of the second embodiment in a deflated state;

[0040] Fig.12 is a partial cross-sectional view illustrating a third embodiment of the muscle relaxation device with enhanced compressive strength according to the present invention;

[0041] Fig.13 is a partial cross-sectional view illustrating that the handle of the third embodiment is clamped in the bushing;

[0042] Fig.14 is a partial cross-sectional view illustrating the handle of the third embodiment being separated from the bushing for pumping;

[0043] Fig.15 is similar to Fig.13 but with the cylinder away from the outer thread portion for air release; and

[0044] Fig.16 1 is a three-dimensional schematic diagram illustrating a fourth embodiment of the muscle relaxation device with enhanced compressive strength according to the present invention. DETAILED DESCRIPTION

[0045] See also Figure 2 , Figure 3 and Figure 4 The first embodiment of the muscle relaxation device with enhanced compressive strength of the present invention includes a main body unit 3 and a gas transmission unit 4.

[0046] The main body unit 3 has a predetermined length L along an axis X direction and a predetermined width D along a direction perpendicular to the axis X. The predetermined length L is between 5 in and 50 in, preferably 36 in. The predetermined width D is between 2 in and 15 in, preferably 6 in. The main body unit 3 includes an inflatable member 32 defining an inflatable space 31, a structural reinforcement layer 33 covering the outer surface of the inflatable member 32, and a mounting seat 34 disposed on one end surface 321 of the inflatable member 32.

[0047] The material of the inflatable part 32 is natural rubber or synthetic rubber. It is manufactured by first using a sheet of natural rubber or synthetic rubber material and a molding mold, and then folding itself multiple times and directly pressurizing it into shape. Through the above process, the inflatable part 32 has two pressurized coupling flanges 322 respectively located adjacent to the end face 321, protruding from the inner surface and surrounding the axis X. It is worth noting that the manufacturing method of the inflatable part 32 is a prior art and is not a technical feature of the present case, so it will not be described in detail here, and the pressurized coupling flange 322 will also be formed at different positions due to different pressurized molding manufacturing methods, and should not be limited to the contents disclosed in this embodiment. The inflatable part 32 can be in an inflated state (such as Figure 2 , Figure 4 ) and a deflated state (such as Figure 6 ), in the inflated state, the gas pressure in the inflatable space 31 is between 2psi and 35psi, preferably, 10psi. In the deflated state, the gas pressure in the inflatable space 31 is less than 2psi.

[0048] The structural reinforcement layer 33 can be made of at least one of yarn, woven fabric, mesh fabric, mesh fabric (made by weaving or spinning), chemical fiber fabric, and nylon material. In this embodiment, the structural reinforcement layer 33 is made of yarn wrapped around the outer surface of the inflatable member 32 and is entirely covered on the outer surface of the inflatable member 32, thereby improving the compressive strength of the inflatable member 32, so that the inflatable member 32 maintains its overall appearance when it is under pressure and the internal gas pressure is high, and is not easily damaged. The structural reinforcement layer 33 has two end faces 331 spaced apart along the axial direction.

[0049] It should be noted that the yarn is not limited to being wound, and in other variations of this embodiment, it can also be interwoven and wound on the outer surface of the inflatable member 32 in a woven manner. It is also worth noting that when the structural reinforcement layer 33 is made of woven fabric, mesh fabric, or mesh fabric, it is bonded to the outer surface of the inflatable member 32 in a bonding manner, or it can also be made of a composite material of yarn winding and mesh fabric. The above methods are all existing technologies and will not be described in detail.

[0050] The mounting seat 34 defines a mounting hole 341 extending along the axis X direction and opening toward one of the end surfaces 331 , and has an annular groove 342 formed on the inner surface.

[0051] In this embodiment, the gas transmission unit 4 includes an inflation valve 41 connected to the main body unit 3. The inflation valve 41 has an elastic body 411 defining an air gap 410, and a flange 412 formed on the outer surface of the elastic body 411 and corresponding to the annular groove 342. The elastic body 411 can change between a closed state and an open state, see Figure 2 and Figure 6 Because the mounting hole 341 of the mounting seat 34 is slightly smaller than the shape of the elastic body 411, an external force that binds the elastic body 411 can be constantly generated. Therefore, in the closed state, the air gap 410 is closed by the elastic body 411, and the outside is blocked from connecting to the inflation space 31. In the open state, the air gap 410 is suitable for connecting a needle tube 42, and after connecting an inflation device (not shown) through the needle tube 42, gas can be guided through the needle tube 42 into the inflation space 31.

[0052] Thereby, the inflatable member 32 can be changed between the inflated state and the deflated state simply by guiding the gas into and out of the inflatable space 31 through the inflation valve 41, and in the inflated state, the amount of gas filled into the inflatable space 31 can be controlled to adjust the gas pressure inside the main body unit 3.

[0053] See also Figure 2 and Figure 4 When the inflatable member 32 is in the inflated state and the gas pressure in the inflatable space 31 is closer to 35 psi, the inflatable member 32 will expand more and the overall hardness will be higher.

[0054] When the inflatable part 32 is in the inflated state, and the gas pressure in the inflatable space 31 is closer to or less than 10psi, its overall hardness is lower than when the gas pressure is 35psi, but the user can roll and press the device through any part of the body, and it can better adapt to the curves of various parts of the body. Moreover, because the structural reinforcement layer 33 has a better external and internal pressure resistance effect, the overall structural strength can still be maintained, and sufficient internal pressure can be generated to massage muscles or stimulate irregularly arranged myofascia. And because of this structural reinforcement layer 33, when it is accidentally damaged by external force, it will not cause an instantaneous explosion due to the high-pressure gas inside the inflatable part 32, but will only cause a gradual leakage of gas. In this way, the safety of use can be greatly increased.

[0055] It is worth noting that the predetermined length L of the main body unit 3 is between 5in and 50in, which is enough to span the entire back, and can also be placed perpendicular to the spine, suitable for back massage, and more stable when rolling along the thigh. The predetermined width D of the main body unit 3 is between 2in and 15in, which can provide stretching, pressing and other functions according to different positions or needs of the human body. And its weight range is between 100g and 6000g, and its most ideal weight is 1100g, so in addition to being used for muscle relaxation, it can be taken by users and used for muscle endurance training.

[0056] See also Figure 5 and Figure 6 When the inflatable member 32 is in the deflated state, the gas in the inflatable space 31 can be exhausted through the needle tube 42, so that the main body unit 3 can be compressed and folded for easy storage and carrying.

[0057] It should be noted that the main body unit 3 is not limited to only having the structural reinforcement layer 33 wrapped around the outer surface of the inflatable member 32. In other variations of this embodiment, the main body unit 3 may also be as follows: Figure 7As shown, a contact layer 30 is coated on the outer surface of the structural reinforcement layer 33. The contact layer 30 is made of a polymer material (such as a thermoplastic elastomer (TPE) material, an ethylene-vinyl acetate copolymer (EVA) foam material, rubber, a synthetic rubber material, etc.), and has a plurality of concave and convex textures 301 formed on the surface, and the textures 301 can enhance the massage effect. Of course, in actual implementation, the contact layer 30 may not have the textures 301, or a layer of cloth or mesh may be attached to the outer surface of the above-mentioned polymer material to form the contact layer 30 together; or, the surface of the structural reinforcement layer 33 may be directly coated with cloth or mesh to form the contact layer 30, without being limited to the contents disclosed in the drawings of the current embodiment.

[0058] In addition, the first embodiment is not limited to only including the main body unit 3 and the gas transmission unit 4. In other variations of this embodiment, Figure 8 As shown, it also includes a set 5. The set 5 has elastic plasticity and defines an axial hole 51 around the axis X. In this embodiment, the set 5 is made of a polymer material, such as EVA, thermoplastic rubber (TPR) foam material or any elastic material, and should not be limited to the content disclosed in this embodiment.

[0059] When in use, in addition to achieving the effect of massaging and relaxing muscles through the main body unit 3, the main body unit 3 can also be inserted into the shaft hole 51 of the sleeve 5. In this way, in addition to expanding the overall width to be suitable for different body parts, the elasticity of the sleeve 5 can also increase the comfort during massage. In this way, not only can the sleeve 5 be put on and taken off conveniently, but also the selectivity of use can be increased.

[0060] It is worth noting that the number of the set 5 is not limited to one. In other variations of this embodiment, the number of the set 5 may be two or more in accordance with the usage function or usage experience. In addition, the set 5 may be directly inserted when the main body unit 3 only has a double-layer structure such as the inflatable member 32 and the structural reinforcement layer 33.

[0061] See also Fig. 9 , Fig.10 and Fig.11 , is a second embodiment of the muscle relaxation device with enhanced compressive strength of the present invention, which also includes the main body unit 3 and the gas transmission unit 4. The difference between the second embodiment and the first embodiment is that:

[0062] The body unit 3 has two mounting seats 34, which are respectively located at two opposite ends of the body unit 3. The body unit 3 further includes a carrier 35 disposed on one of the mounting seats 34. The carrier 35 has a body seat 351 penetrating the mounting hole 341 of the mounting seat 34, a flange 352 formed on the outer surface of the body seat 351 and corresponding to the annular groove 342, and two insertion holes 353 spaced apart and extending along the axis X direction and connecting the inflation space 31 with the outside.

[0063] The gas transmission unit 4 further includes an air pump 43 inserted into the main body seat 351 and extending along the axis X direction, and a valve group 44 inserted into one of the insertion holes 353 along the axis X direction parallel to the axis X.

[0064] The air pump 43 has a cylinder 431 connected to the inflation space 31, and a piston rod 432 movably inserted into the cylinder 431 along the axis X direction. The piston rod 432 has a rod body 433, a handle 434 arranged at one end of the rod body 433, a plug body 435 arranged at the other end of the rod body 433, and two stoppers 436 formed on the rod body 433. The cylinder 431 has two limiting portions 437 for blocking the stoppers 436, and an air outlet 438 located at the front end of the cylinder 431. The piston rod 432 of the air pump 43 can guide gas into the inflation space 31 during movement. Since the inflation principle is a prior art, it will not be described in detail here. In this embodiment, the cylinder 431 and the main body seat 351 are fixed by gluing.

[0065] In this embodiment, the valve assembly 44 is a deflation valve and has a valve seat 441 defining a flow channel 440, a valve stem 442 movably inserted in the flow channel 440 along the axis X direction, and an elastic element 443 disposed between the valve stem 442 and the valve seat 441. The elastic element 443 constantly generates an elastic force that causes the valve stem 442 to close the flow channel 440. In this embodiment, the valve seat 441 is fixed to the body seat 351 by gluing.

[0066] When inflating, it is only necessary to rotate the handle 434 to allow the stop portion 436 to disengage from the stop limit of the limit portion 437, that is, the piston rod 432 can be pulled and pushed back and forth along the axis X direction to pump gas into the inflation space 31. When deflation is required, it is only necessary to press the valve stem 442 to open the flow channel 440, so that the gas in the inflation space 31 can be discharged to the outside through the flow channel 440. In this way, in addition to achieving the purpose of inflation or deflation anytime and anywhere, the amount of gas filled into the inflation space 31 can also be controlled to adjust the gas pressure. It is also explained that in this second embodiment, as in the first embodiment, the inflation valve 41 can be used for deflation, which can be determined by the user according to the actual practical conditions, and is not limited to the contents disclosed in this specification.

[0067] See also Fig.12 , Fig.13 and Fig.14 , is a third embodiment of the muscle relaxation device with enhanced compressive strength of the present invention, which also includes the main body unit 3 and the gas transmission unit 4. The difference between the second embodiment and the second embodiment is that:

[0068] The body unit 3 further includes a carrier 35 and a bushing 36. The carrier 35 has a body seat 351 clamped in the mounting hole 341 of the mounting seat 34, a cylinder wall 354 extending from the body seat 351 along the axis X and surrounding a receiving hole 355, and an outer screw thread portion 356 disposed at one end of the cylinder wall 354 and defining a through hole 357, wherein the through hole 357 is connected to the receiving hole 355. The bushing 36 abuts against the body seat 351, and has a surrounding wall 361 surrounding the axis X and defining a receiving space 362, an abutting portion 363 abutting against the body seat 351, an outer end portion 364 opposite to the abutting portion 363, a travel space 365 recessed by the inner annular surface of the abutting portion 363, and two clamping grooves 366 recessed by the outer end portion 364. In this embodiment, the abutting portion 363 is glued and fixed to the main body seat 351 .

[0069] The gas transmission unit 4 includes an air pump 43 rotatably inserted into the receiving hole 355, and a knob 45 combined with the air pump 43 and received in the receiving space 362. The air pump 43 has a cylinder 431 screwed to the outer threaded portion 356 and inserted into the receiving hole 355, a piston rod 432 telescopically inserted into the cylinder 431, a handle 434 glued to one end of the piston rod 432 and detachably abutting against the bushing 36, and an elastic member 439 sleeved on the piston rod 432 and abutting between the handle 434 and the cylinder 431. The cylinder 431 has a threaded hole 439' screwed to the outer threaded portion 356. The handle 434 has two locking protrusions 439'' formed on both sides and can be movably slidably disposed in the locking groove 366. The design of the locking groove 366 and the locking protrusion 439'' is also prior art, so it will not be described in detail here.

[0070] In this embodiment, the knob 45 is a stepped hollow cylinder having a gripping portion 451 , a coupling portion 452 opposite to the gripping portion 451 and glued to the cylinder 431 , and an annular protrusion 453 protruding outward from the coupling portion 452 and accommodated in the accommodating space 362 .

[0071] The pump 43 can be in an inflating position ( Fig.14 ) and a deflation position ( Fig.15 ) in the inflation position, the threaded hole 439' of the air pump 43 is in airtight contact with the external threaded portion 356, and blocks the passage of gas. In the deflation position, the threaded hole 439' of the air pump 43 is loosened from the external threaded portion 356, and a gap for gas flow is formed between the threaded hole 439' and the external threaded portion 356. When inflating the present embodiment, it is only necessary to rotate the handle 434 to allow the retaining protrusion 439" of the handle 434 to disengage from the retaining groove 366 and separate from the bushing 36, as shown in FIG. Fig.14 As shown, the inflation space 31 can be inflated by moving the piston rod 432 back and forth along the axis X direction. To deflate, the gripping portion 451 of the knob 45 can be held and rotated with fingers to drive the cylinder 431 of the pump 43 to move away from the outer thread portion 356 and loosen. Fig.15The deflated position shown in FIG. Whereby, the gas in the inflatable space 31 can flow into the accommodating hole 355, the accommodating space 362 and discharge (as shown by the arrow) by the gap between the external screw thread portion 356 and the screw thread hole 439'. Wherein, because the external screw thread portion 356 is slightly conical in shape, when the cylinder 431 is rotated, it will form a gap between the external screw thread portion 356 and the screw thread hole 439' because of the size matching relationship, and the internal structure of the cylinder 431 is a prior art, so it is not described in detail here. It is explained in addition that in this third embodiment, it is also possible to use the inflation valve 41 to deflate as described in the first embodiment, which can be determined according to the actual practical situation according to the user, and is not limited by the disclosed content of this specification.

[0072] See also Fig.16 , is the fourth embodiment of the muscle relaxation device with enhanced compressive strength of the present invention, and also includes the main body unit 3 and the gas transmission unit 4. The difference between the fourth embodiment and the first embodiment is that it also includes a jacket 7.

[0073] The outer cover 7 can be made of cloth, leather, mesh, foam, synthetic leather, etc. The outer cover 7 can be detachably enclosed in the main body unit 3, and has a sleeve 70 and a zipper 71 that can be opened and linked to the sleeve 70. In this way, the outer cover 7 can provide different touches through different materials, and can be washed after being detached from the main body unit 3.

[0074] Through the above description, the advantages of the above embodiments can be summarized as follows:

[0075] 1. By designing the structural reinforcement layer 33 to be made of a different material from the inflatable part 32, the structural reinforcement layer 33 is completely covered on the inflatable part 32, and the laminated structure and composite material design are used to enhance the internal and external compressive strength of the inflatable part 32, so that the device is not easily damaged. In addition, not only can the softness and hardness during massage be adjusted so that the device can be more suitable for various parts of the body, but also sufficient pressure can be generated to produce different pressing effects on muscles in different parts of the body, and the effects of muscle relaxation, rehabilitation, massage, stretching, and Pilates are integrated into one, which can reduce costs.

[0076] 2. When the inflatable member 32 is in the deflated state, the gas in the inflatable space 31 can be discharged, so that the main body unit 3 can be compressed and folded for easy storage and carrying.

[0077] 3. Because the structural reinforcement layer 33 is coated on the outer surface of the inflatable member 32, the inflatable member 32 has an extra layer of protection during use, and can also prevent the inflatable member 32 from being accidentally damaged by external forces, thereby affecting the inflation effect of the inflatable member 32. Because of the structural reinforcement layer 33, when the inflatable member 32 is accidentally damaged by external forces, it will not cause an instantaneous explosion due to the high-pressure gas inside the inflatable member 32, but will only cause a gradual leakage of gas, which can greatly increase the safety of use.

[0078] 4. The weight range of this device is between 100g and 6000g, and the most ideal weight is 1100g. Therefore, in addition to being used for muscle relaxation, it can also be used by users for muscle endurance training.

[0079] The above are merely embodiments of the present invention and should not be used to limit the scope of the present invention. That is, any simple equivalent changes and modifications made according to the claims and description of the present invention still fall within the scope of the present invention.

Claims

1. A muscle relaxation device with enhanced compressive strength, comprising: The main body unit has a predetermined length along the axis direction and a predetermined width along the direction perpendicular to the axis direction, and includes an inflatable member defining an inflatable space; and A gas transmission unit, connected to the main unit, for guiding gas into and out of the gas-filled space; Features: The main body unit also includes a structural reinforcement layer that is coated on the outer surface of the inflatable piece and is made of a different material from that of the inflatable piece. The inflatable piece changes between an inflated state and a deflated state. In the inflated state, the gas pressure in the inflatable space is between 2psi and 35psi. In the deflated state, the gas pressure in the inflatable space is less than 2psi.

2. The muscle relaxation device with enhanced compressive strength according to claim 1, characterized in that: The predetermined length is between 5 in and 50 in, and the predetermined width is between 2 in and 15 in.

3. The muscle relaxation device with enhanced compressive strength according to claim 2, characterized in that: The invention also comprises a contact layer coated on the outer surface of the structural strengthening layer.

4. The muscle relaxation device with enhanced compressive strength according to claim 3, characterized in that: The contact layer is made of polymer material.

5. The muscle relaxation device with enhanced compressive strength according to claim 1, characterized in that: The muscle relaxation device with enhanced compressive strength also includes a sleeve, which has elastic plasticity and defines an axial hole around the axis, and the main body unit is inserted into the axial hole.

6. The muscle relaxation device with enhanced compressive strength according to claim 5, characterized in that: The kit is made of polymer material.

7. The muscle relaxation device with enhanced compressive strength according to claim 1, characterized in that: The main body unit also includes at least one mounting seat connected to the inflatable member, and the structural reinforcement layer has two end faces spaced apart along the axial direction, the at least one mounting seat defines a mounting hole extending along the axial direction and opening toward one of the end faces, and has an annular groove formed on the inner surface, the gas transfer unit is inserted into the mounting hole, and has at least one flange formed on the outer surface and corresponding to the annular groove.

8. The muscle relaxation device with enhanced compressive strength according to claim 7, characterized in that: The gas transmission unit includes an inflation valve connected to the main body unit, the inflation valve has an elastomer defining an air gap, and at least one flange formed on the outer surface of the elastomer and corresponding to the annular groove, the elastomer can change between a closed state and an open state, in the closed state, the air gap is closed by the elastomer and blocks the outside from connecting to the inflation space, in the open state, the air gap can guide gas into and out of the inflation space.

9. The muscle relaxation device with enhanced compressive strength according to claim 8, characterized in that: The gas transmission unit further comprises an air pump arranged on the main body unit, and the air pump is used for guiding external gas into the inflation space.

10. The muscle relaxation device with enhanced compressive strength according to claim 7, characterized in that: The main body unit includes a mounting seat and also includes a carrier, which is inserted into the mounting hole of the mounting seat and has at least one flange formed on the outer surface and corresponding to the annular groove, and two sockets extending along the axial direction and connecting the inflation space with the outside world. The gas transmission unit includes an air pump arranged in one of the sockets of the carrier, and a valve group inserted in the socket. The air pump is used to guide external gas into the inflation space, and the valve group is used to guide the gas in the inflation space to be discharged to the outside world.

11. The muscle relaxation device with enhanced compressive strength according to claim 10, characterized in that: The air pump comprises a cylinder connected to the inflation space and the outside, and a piston rod movably inserted in the cylinder along the axial direction, the piston rod has a handle, the valve group comprises a valve seat defining a flow channel, a valve stem movably inserted in the flow channel along the axial direction, and an elastic element arranged between the valve stem and the valve seat, the elastic element constantly generates an elastic force that causes the valve stem to close the flow channel.

12. The muscle relaxation device with enhanced compressive strength according to claim 7, characterized in that: The main body unit includes two mounting seats, and the opening of the mounting hole of each mounting seat faces the respective end surface. The gas transmission unit includes an air pump inserted through the mounting hole of one of the mounting seats, and an inflation valve inserted through the mounting hole of the other mounting seat. The air pump is used to guide external gas in and out and into the inflation space.

13. The muscle relaxation device with enhanced compressive strength according to claim 12, characterized in that: The main body unit also includes a carrier inserted into one of the mounting seats, the carrier having a main body seat clamped on the mounting seat, a cylindrical wall extending from the main body seat along the axial direction and surrounding and defining a receiving hole, and an external screw thread portion arranged at one end of the cylindrical wall and defining a through hole, the gas transmission unit includes the air pump rotatably arranged on the carrier, and a knob combined with the air pump, the air pump can be rotated and moved between an inflation position and a deflation position relative to the external screw thread portion, when in the inflation position, the air pump is in airtight contact with the external screw thread portion and blocks the passage of gas, when in the deflation position, the air pump is loosened from the external screw thread portion, and a gap for gas to pass through is formed between the air pump and the external screw thread portion.

14. The muscle relaxation device with enhanced compressive strength according to claim 1, characterized in that: The structural reinforcement layer is made of at least one of yarn, woven cloth, mesh cloth, chemical fiber cloth material and nylon material.

15. The muscle relaxation device with enhanced compressive strength according to claim 1, characterized in that: The muscle relaxation device with enhanced compressive strength further comprises a jacket, which is used to encapsulate the main body unit and has a sleeve opening and a zipper capable of opening and closing the sleeve opening.

16. The muscle relaxation device with enhanced compressive strength according to claim 1, characterized in that: The inflatable member has at least one pressurized engagement flange protruding from the inner surface.

17. A muscle relaxation device with enhanced compressive strength, comprising: The main body unit has a predetermined length along the axis direction and a predetermined width along the direction perpendicular to the axis direction, and includes an inflatable member defining an inflatable space; and A gas transmission unit, connected to the main body unit, for guiding gas into and out of the gas-filled space; Features: The main body unit is cylindrical and also includes a structural reinforcement layer that is coated on the outer surface of the inflatable piece and is made of a material different from that of the inflatable piece, and a contact layer that is coated on the outer surface of the structural reinforcement layer. The inflatable piece is made of natural rubber or synthetic rubber. The inflatable piece changes between an inflated state and a deflated state. In the inflated state, the gas pressure in the inflatable space is between 2psi and 35psi. In the deflated state, the gas pressure in the inflatable space is less than 2psi.

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