CN112402906B

CN112402906B - Radian board of lying on back with adjustable

Info

Publication number: CN112402906B
Application number: CN202011313975.1A
Authority: CN
Inventors: 王慧敏; 郝传吉; 李堃; 方静; 王国平
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2022-01-14
Anticipated expiration: 2040-11-20
Also published as: CN112402906A

Abstract

The invention discloses an adjustable radian supination plate which comprises a first support, wherein the first support is fixedly provided with two second supports, the two second supports are symmetrically distributed about a vertical central plane of the first support, the second support is fixedly provided with a third support, the first support and the third support are respectively provided with a fixing device for fixing the first support and the third support on the ground, the third support is internally provided with an adjusting device for adjusting a second connecting rod relative to the second support, and the adjusting device is provided with a transmission device.

Description

Radian board of lying on back with adjustable

Technical Field

The invention belongs to the field of fitness equipment, and particularly relates to an adjustable radian supine plate.

Background

With the improvement of living standard and the requirement of exercise, most parks, districts and the like are equipped with fitness equipment nowadays, which is convenient for people to exercise and enriches the lives of people, however, the supine plate for exercising the abdomen in places such as parks and districts is difficult to adjust according to the leg length of a user, and the protection for the stress part of the human body is also deficient during exercise, so that a part of people are difficult to exercise the abdomen by using the supine plate.

Disclosure of Invention

The invention provides a radian supine plate which can adjust the length of a leg according to the condition of a user and simultaneously takes away partial heat of equipment and a human body by utilizing an air bag, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: an adjustable radian supination plate comprises a first support, wherein two second supports are fixedly arranged at two ends of the first support, the two second supports are symmetrically distributed about a vertical central plane of the first support, a third support is fixedly arranged at one end, far away from the first support, of the second support, the second support is in a circular arc shape, fixing devices for fixing the first support and the third support on the ground are respectively arranged on the first support and the third support, a fourth support is fixedly arranged at the upper end of the second support, a first connecting rod is movably connected to the side end, far away from the first support, of the fourth support, a fifth support is rotatably connected to one end, far away from the fourth support, of the first connecting rod, the fifth support is rotatably connected with the third support through a second connecting rod, and a plurality of support frames are uniformly and fixedly arranged between the two second supports along the circular arc shape, the third support is internally provided with an adjusting device for adjusting the angle of the second connecting rod relative to the second support, the adjusting device is connected with a transmission device, the transmission device controls the length of the first connecting rod between the fourth support and the fifth support according to the adjusting device, the fourth support is provided with an extrusion protection device, and the extrusion protection device changes the contact area of the bearing force according to the bearing force and completes gas flow at the same time.

Fixing device is equipped with through-hole and through-hole inner wall and is equipped with the screw thread including the fixed sixth support that sets up on first support on the sixth support, and the through-hole department threaded connection of sixth support has fixing bolt, during the installation with sixth support and ground laminating, then through fixing bolt with sixth support and ground fixed connection to fix this device subaerial.

The second connecting rod is provided with a positioning hole, the third support is evenly provided with a plurality of limiting holes, the adjusting device comprises a second rotating shaft which is rotatably arranged on the third support, the second rotating shaft is fixedly connected with the second connecting rod, the positioning hole is movably connected with a positioning pin, and the positioning pin penetrates through the positioning hole and one of the limiting holes to be used for stabilizing the position of the second connecting rod. When the length of the first connecting rod between the fourth support and the fifth support needs to be adjusted according to the leg length of an individual, the positioning pin is taken down, then the positioning hole is manually adjusted, the second connecting rod rotates around the second rotating shaft, and when the appropriate angle is reached, the positioning pin is inserted to penetrate through the positioning hole and a limiting hole behind the positioning hole, so that the second connecting rod is fixed and does not rotate any more.

The first connecting rod is provided with a first groove body, the transmission device comprises a fourth rotating shaft fixedly arranged in the fifth support, the fourth rotating shaft is rotatably connected with the second connecting rod, the fourth rotating shaft is rotatably connected with the first connecting rod, a third rotating shaft is arranged in the first groove body, and the third rotating shaft is fixedly connected with the fourth support.

The second connecting rod drives the motion of fourth pivot round the rotation of second pivot, thereby drive the motion of fifth support, thereby drive the motion of first connecting rod, thereby make the third pivot of fixing on the fourth support and first connecting rod take place relative motion, make the third pivot take place relative motion in first cell body, make the length that first connecting rod is located between fourth support and the fifth support change, when the user transfers first connecting rod to suitable length, the turned angle of second connecting rod is certain this moment, insert the locating pin and run through locating hole and the spacing hole behind the locating hole, make the second connecting rod fix and no longer rotate, because the stability of second connecting rod, make the fourth pivot stable thereupon, make first connecting rod stable thereupon, thereby make the length that first connecting rod is located between fourth support and the fifth support stable.

Be equipped with the second cell body in the fourth support, extrusion protection device is including the fixed first block rubber that sets up on the fourth support, first block rubber is middle bellied semicircle annular arc, first block rubber below is equipped with the gasbag, the gasbag is located the second cell body, the gasbag is connected with communicating pipe, communicating pipe is connected with first air vent and second air vent, the second air vent is at the downside of first air vent, first air vent and second air vent stretch into in the first connecting rod then pass the outer wall and the external intercommunication of first connecting rod, and be the height about in first air vent 31 of intercommunication department and second air vent 32. .

At the moment, the length of the first connecting rod between the fourth support and the fifth support is the length which is suitable and satisfied by a user, the hip of the user is seated on the left side of the fourth support, the inner side of a knee joint is attached to the first rubber block, the instep of two feet is respectively placed on the lower surface of the fifth support on two sides of the first connecting rod, then the upper body is laid down to enable the back to be contacted with the support frame in sequence, then the upper body is returned to the sitting state from the lying down state and attached to the support frame through the abdominal acting instep and the device reaction force on the inner side of the knee joint, so as to complete abdominal muscle exercise, when the force is acted on the first rubber block on the inner side of the knee joint to exercise by using the reaction force of the first rubber block, the first rubber block can deform while supporting the inner side of the knee joint, the deformation degree of the first rubber block is in direct proportion to the borne force, when the force used by the user is larger, the larger the deformation of the first rubber block is, the larger the contact area between the inner side of the knee joint and the first rubber block becomes, the smaller the pressure intensity given by the first rubber block to the contact part of the inner side of the knee joint under the same force action is, and the unsmooth blood circulation caused by the overlarge pressure intensity is avoided, so that the exercise time is shortened, and the exercise effect is reduced;

meanwhile, when the first rubber block is applied with force from the inner side of a knee joint, part of force can be transmitted to the air bag contacted with the first rubber block, the air bag is stressed and then acts on the inner wall of the second groove body to obtain rigid support of the second groove body, so that the air bag is gradually deformed under the condition of force, the volume of the air bag is reduced, the space for containing gas is reduced, the gas in the air bag flows to the outside after flowing to the first vent hole and the second vent hole through the communicating pipe, because the first vent hole and the second vent hole are designed to face the instep area of a user, the air bag can take away heat generated by friction generated by the first rubber block accessory due to exercise while assisting the first rubber block to deform under force, and simultaneously blow the flowing gas to the instep area of the user where the force is larger, removing a portion of the heat from the instep area.

When the power that receives at first block rubber by big diminishing, the power that first block rubber transmitted for the gasbag diminishes, because the material of gasbag has the trend of recovering initial condition for the volume grow gradually of gasbag makes the gasbag inhale gas from the external world through first air vent and second air vent, makes the flow effect of gas better, and the heat of taking away is more.

The fifth support is fixedly provided with a second rubber block in foot placing areas on two sides of the first connecting rod, the second rubber block is in a semicircular arc shape with a variable section, the cross section of the left side of the second rubber block is larger than that of the right side, and the joint of the left side of the second rubber block and the fifth support is in an S shape.

When the instep of two feet is placed respectively on the lower surface of the fifth support on two sides of the first connecting rod, the instep is in contact with the second rubber block, the shape of the second rubber block is designed into a variable cross section semicircular arc shape, and the cross section on the left side is larger than that on the right side, so that the device is more suitable for the situation that most of people who take exercises in parks wear shoes.

In summary, the invention has the following advantages: the length of the leg can be adjusted according to the condition of the user; partial heat of the equipment and the human body is taken away by the air bag; and changing the stressed area according to the stress intensity.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a partial enlarged view of FIG. 3 at B;

fig. 5 is a sectional view at C-C in fig. 2.

In the figure, a first support 10, a second support 11, a third support 12, a sixth support 13, a fixing bolt 14, a fourth support 15, a first connecting rod 16, a fifth support 17, a second connecting rod 18, a support frame 19, a second rotating shaft 20, a limiting hole 21, a positioning hole 22, a positioning pin 23, a fourth rotating shaft 24, a first rubber block 25, a second groove body 26, an air bag 27, a communication pipe 28, a third rotating shaft 29, a first groove body 30, a first vent hole 31, a second vent hole 32 and a second rubber block 33 are arranged.

Detailed Description

In the description of the present invention, it is to be understood that the terms etc. indicate orientations or positional relationships based on those shown in the drawings, which are for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, an adjustable radian supination plate comprises a first support 10, two second supports 11 are fixedly arranged at two ends of the first support 10, the two second supports 11 are symmetrically distributed about a vertical central plane of the first support 10, a third support 12 is fixedly arranged at one end of each second support 11 far away from the first support 10, each second support 11 is in a circular arc shape, fixing devices for fixing the first support 10 and the third support 12 on the ground are respectively arranged on the first support 10 and the third support 12, a fourth support 15 is fixedly arranged at the upper end of each second support 11, a first connecting rod 16 is movably connected at the side end of each fourth support 15 far away from the first support 10, a fifth support 17 is rotatably connected at one end of each first connecting rod 16 far away from the fourth support 15, the fifth support 17 is rotatably connected with the third support 12 through a second connecting rod 18, a plurality of support frames 19 are uniformly and fixedly arranged between the two second supports 11 along the circular arc shape, an adjusting device for adjusting the angle of the second connecting rod 18 relative to the second support 11 is arranged in the third support 12, the adjusting device is connected with a transmission device, the transmission device controls the length of the first connecting rod 16 between the fourth support 15 and the fifth support 17 according to the adjusting device, an extrusion protection device is arranged on the fourth support 15, and the extrusion protection device changes the contact area of the bearing force according to the bearing force and completes gas flow at the same time.

Fixing device is equipped with through-hole and through-hole inner wall and is equipped with the screw thread including the fixed sixth support 13 that sets up on first support 10 on sixth support 13, and the through-hole department threaded connection of sixth support 13 has fixing bolt 14, during the installation with sixth support 13 and ground laminating, then through fixing bolt 14 with sixth support 13 and ground fixed connection to fix this device subaerial.

Referring to fig. 3-4, the second connecting rod 18 is provided with a positioning hole 22, the third bracket 12 is uniformly provided with a plurality of limiting holes 21, the adjusting device includes a second rotating shaft 20 rotatably disposed on the third bracket 12, the second rotating shaft 20 is fixedly connected with the second connecting rod 18, the positioning hole 22 is movably connected with a positioning pin 23, and the positioning pin 23 penetrates through the positioning hole 22 and one of the limiting holes 21 to stabilize the position of the second connecting rod 18. When it is necessary to adjust the length of the first link 16 between the fourth bracket 15 and the fifth bracket 17 according to the leg length of the individual, the positioning pin 23 is removed, the positioning hole 22 is manually adjusted, the second link 18 is rotated around the second rotating shaft 20, and when the proper angle is reached, the positioning pin 23 is inserted through the positioning hole 22 and a limiting hole 21 behind the positioning hole 22, so that the second link 18 is fixed and does not rotate any more.

The first connecting rod 16 is provided with a first groove body 30, the transmission device comprises a fourth rotating shaft 24 fixedly arranged in the fifth support 17, the fourth rotating shaft 24 is rotatably connected with the second connecting rod 18, the fourth rotating shaft 24 is rotatably connected with the first connecting rod 16, a third rotating shaft 29 is arranged in the first groove body 30, and the third rotating shaft 29 is fixedly connected with the fourth support 15. The rotation of the second link 18 around the second rotating shaft 20 drives the movement of the fourth rotating shaft 24, and thus the movement of the fifth bracket 17, thereby, the first connecting rod 16 is moved, so that the third rotating shaft 29 fixed on the fourth bracket 15 and the first connecting rod 16 are moved relatively, so that the third rotating shaft 29 relatively moves in the first groove 30, the length of the first connecting rod 16 between the fourth bracket 15 and the fifth bracket 17 changes, when the user adjusts the first link 16 to a proper length, the rotation angle of the second link 18 is fixed, the positioning pin 23 is inserted through the positioning hole 22 and a limiting hole 21 behind the positioning hole 22, so that the second link 18 is fixed and does not rotate any more, due to the stabilization of the second link 18, the fourth rotation shaft 24 is stabilized, so that the first link 16 is stabilized, thereby stabilizing the length of the first link 16 between the fourth bracket 15 and the fifth bracket 17.

Be equipped with second cell body 26 in the fourth support 15, extrusion protection device is including the fixed first block rubber 25 that sets up on fourth support 15, first block rubber 25 is middle bellied semicircle annular arc, first block rubber 25 below is equipped with gasbag 27, gasbag 27 is located second cell body 26, gasbag 27 is connected with communicating pipe 28, communicating pipe 28 is connected with first air vent 31 and second air vent 32, second air vent 32 is at the downside of first air vent 31, first air vent 31 and second air vent 32 stretch into in the first connecting rod 16 then pass the outer wall and the external intercommunication of first connecting rod 16, and be the height about first air vent 31 of intercommunication department and second air vent 32.

When a force is applied to the first rubber block 25 at the inner side of the knee joint to exercise by using the reaction force of the first rubber block 25, the first rubber block 25 can deform while supporting the inner side of the knee joint, and the deformation degree of the first rubber block 25 is in direct proportion to the borne force, when the force applied by a user is larger, the deformation of the first rubber block 25 is larger, so that the contact area of the inner side of the knee joint and the first rubber block 25 is larger, the pressure applied to the contact part of the inner side of the knee joint by the first rubber block 25 under the same force is smaller, and the unsmooth blood circulation caused by the overlarge pressure is avoided, so that the exercise time is shortened, and the exercise effect is reduced;

meanwhile, when the first rubber block 25 is applied with a force applied from the inner side of the knee joint, a part of the force is transmitted to the air bag 27 in contact with the first rubber block 25, the air bag 27 is rigidly supported by the second groove 26 after being applied with the force and then applied to the inner wall of the second groove 26, so that the air bag 27 is gradually deformed under the condition of being applied with the force, the volume of the air bag 27 is reduced, the space for accommodating air is reduced, the air in the air bag 27 flows to the outside after flowing to the first vent hole 31 and the second vent hole 32 through the communication pipe 28, because the first vent hole 31 and the second vent hole 32 are high at the left and low at the communication part with the outside and face to the right lower part, namely the instep area part of the user, the air bag 27 assists the first rubber block 25 to be deformed under the force to increase the contact area, and simultaneously takes away the heat generated by friction of the accessories of the first rubber block 25 due to exercise by the flowing of the air, meanwhile, the flowing air is blown to the instep area where the force of the user is larger, and a part of heat in the instep area is taken away.

When the force received by the first rubber block 25 is reduced from large to small, the force transmitted to the air bag 27 by the first rubber block 25 is reduced, and the material of the air bag 27 has the tendency of recovering the initial state, so that the volume of the air bag 27 is gradually increased, the air bag 27 sucks air from the outside through the first vent hole 31 and the second vent hole 32, the flowing effect of the air is better, and the heat taken away is more.

Referring to fig. 5, the fifth frame 17 is fixedly provided with a second rubber block 33 in foot placing areas on both sides of the first link 16, the second rubber block 33 is in the shape of a semicircular arc with a variable cross section, the cross section on the left side of the second rubber block 33 is larger than that on the right side, the joint of the left side of the second rubber block 33 and the fifth frame 17 is in an S shape, when the instep of two feet is respectively placed on the lower surface of the fifth frame 17 on both sides of the first link 16, the instep is in contact with the second rubber block 33, because the shape of the second rubber block 33 is designed into the shape of a semicircular arc with a variable cross section and the cross section on the left side is larger than that on the right side, the device is more suitable for most of people who exercise the park to wear shoes, because the exerciser wears shoes, most of the instep is in contact with the shoes and is subjected to buffer and decompression by the shoes, and the instep is in upward direct contact with the second rubber block 33, the variable cross section of the second rubber block 33 can buffer and decompress the instep, and meanwhile, the contact area between the part of the instep, which is upwards in direct contact with the second rubber block 33, and the second rubber block 33 is increased, so that the discomfort caused by too high local pressure at the direct contact position is avoided, and the exercise effect is prevented from being influenced.

The working principle is as follows: when the device is installed, the sixth bracket 13 is attached to the ground, and then the sixth bracket 13 is fixedly connected with the ground through the fixing bolt 14, so that the device is fixed on the ground.

When the length of the first connecting rod 16 between the fourth bracket 15 and the fifth bracket 17 needs to be adjusted according to the leg length of an individual, the positioning pin 23 is removed, then the positioning hole 22 is manually adjusted, the second connecting rod 18 rotates around the second rotating shaft 20, when the proper angle is reached, the fourth rotating shaft 24 is stabilized along with the second connecting rod 18 due to the stability of the second connecting rod 18, the first connecting rod 16 is stabilized along with the fourth rotating shaft, the length of the first connecting rod 16 between the fourth bracket 15 and the fifth bracket 17 is stabilized, and the positioning pin 23 is inserted to penetrate through the positioning hole 22 and a limiting hole 21 behind the positioning hole 22, so that the second connecting rod 18 is fixed and does not rotate any more.

When the user's buttocks exercises by applying a force to the first rubber block 25 at the inner side of the knee joint using the reaction force of the first rubber block 25, the first rubber block 25 deforms while supporting the inner side of the knee joint and the degree of deformation of the first rubber block 25 is proportional to the force applied thereto, and when the force applied by the user is larger, the first rubber block 25 deforms more, so that the area of the inner side of the knee joint in contact with the first rubber block 25 becomes larger; meanwhile, when the first rubber block 25 is applied with a force from the inner side of the knee joint, a part of the force is transmitted to the air bag 27 in contact with the first rubber block 25, the air bag 27 is rigidly supported by the second groove 26 after being applied with the force and then acting on the inner wall of the second groove 26, so that the air bag 27 is gradually deformed under the condition of being applied with the force, the volume of the air bag 27 is reduced, and the air in the air bag 27 flows to the outside after flowing to the first vent hole 31 and the second vent hole 32 through the communication pipe 28, because the first vent hole 31 and the second vent hole 32 are high at the left and low at the communication part with the outside and face to the lower right, namely, the air bag is blown to the instep area part of the user.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable radian sit up board, includes first support (10), first support (10) both ends are fixed and are equipped with two second supports (11), two second supports (11) about first support (10) perpendicular central plane symmetric distribution, the fixed third support (12) that is equipped with of one end that first support (10) were kept away from in second support (11), second support (11) are established to arc, its characterized in that: the first support (10) and the third support (12) are both provided with a fixing device for fixing the first support (10) and the third support (12) on the ground, the upper end of the second support (11) is fixedly provided with a fourth support (15), the side end of the fourth support (15) far away from the first support (10) is movably connected with a first connecting rod (16), one end of the first connecting rod (16) far away from the fourth support (15) is rotatably connected with a fifth support (17), the fifth support (17) is rotatably connected with the third support (12) through a second connecting rod (18), a plurality of support frames (19) are uniformly and fixedly arranged between the two second supports (11) along the arc shape, an adjusting device for adjusting the angle of the second connecting rod (18) relative to the second supports (11) is arranged in the third support (12), and the adjusting device is connected with a transmission device, the transmission device controls the length of the first connecting rod (16) between the fourth support (15) and the fifth support (17) according to an adjusting device, an extrusion protection device is arranged on the fourth support (15), the extrusion protection device changes the contact area of the bearing force according to the bearing force and simultaneously completes gas flow, the second connecting rod (18) is provided with a positioning hole (22), the third support (12) is uniformly provided with a plurality of limiting holes (21), the adjusting device comprises a second rotating shaft (20) rotatably arranged on the third support (12), the second rotating shaft (20) is fixedly connected with the second connecting rod (18), the positioning hole (22) is movably connected with a positioning pin (23), and the positioning pin (23) penetrates through the positioning hole (22) and one of the limiting holes (21) to stabilize the position of the second connecting rod (18), the first connecting rod (16) is provided with a first groove body (30), the transmission device comprises a fourth rotating shaft (24) fixedly arranged in a fifth support (17), the fourth rotating shaft (24) is rotatably connected with the second connecting rod (18), the fourth rotating shaft (24) is rotatably connected with the first connecting rod (16), a third rotating shaft (29) is arranged in the first groove body (30), the third rotating shaft (29) is fixedly connected with the fourth support (15), a second groove body (26) is arranged in the fourth support (15), the extrusion protection device comprises a first rubber block (25) fixedly arranged on the fourth support (15), the first rubber block (25) is in the shape of a semicircular arc with a middle bulge, an air bag (27) is arranged below the first rubber block (25), and the air bag (27) is positioned in the second groove body (26), the airbag (27) is connected with a communicating pipe (28), the communicating pipe (28) is connected with a first vent hole (31) and a second vent hole (32), the second vent hole (32) is arranged on the lower side of the first vent hole (31), the first vent hole (31) and the second vent hole (32) extend into the first connecting rod (16) and then penetrate through the outer wall of the first connecting rod (16) to be communicated with the outside, and the first vent hole (31) and the second vent hole (32) in the communicating position are high at the left side and low at the right side.

2. An adjustable arc supine plate of claim 1 wherein: the fixing device comprises a sixth support (13) fixedly arranged on the first support (10), a through hole is formed in the sixth support (13), threads are arranged on the inner wall of the through hole, and a fixing bolt (14) is connected to the through hole of the sixth support (13) in a threaded mode.

3. An adjustable arc supine plate of claim 1 wherein: fifth support (17) are in foot area is put to first connecting rod (16) both sides is fixed and is equipped with second block rubber (33), second block rubber (33) are the arc of the semicircular ring shape of variable cross section, the left cross section of second block rubber (33) is greater than the cross section on right side, second block rubber (33) left side with fifth support (17) junction is the S type.