CN114159732A - Supine device for body building and using method thereof - Google Patents
Supine device for body building and using method thereof Download PDFInfo
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- CN114159732A CN114159732A CN202111284773.3A CN202111284773A CN114159732A CN 114159732 A CN114159732 A CN 114159732A CN 202111284773 A CN202111284773 A CN 202111284773A CN 114159732 A CN114159732 A CN 114159732A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
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Abstract
The invention discloses a supine device for fitness and a using method thereof, and relates to the technical field of fitness equipment. According to the invention, the two groups of backing plates are connected with the base through the two groups of adjusting parts, and the height and the angle between the two groups of backing plates can be adjusted by adjusting the two groups of adjusting parts, so that a user can conveniently adjust the height and the angle according to needs, wherein the height and the angle comprise a horizontal state, a left inclined state and a right inclined state, the application range is wider, and the body position of the user during supine exercise can be adjusted according to the hobbies and body types of the user.
Description
Technical Field
The invention relates to the technical field of fitness equipment, in particular to a supine device for fitness and a using method thereof.
Background
With the popularization of fitness equipment and the deep mind of fitness concepts, more and more people choose to perform fitness and exercise at home, and most consumers choose to use simpler fitness equipment such as rowing machines, bodybuilding vehicles, walking machines, running machines, waist beautifying machines and the like when exercising at home due to the fact that no professional fitness coach exists, and sit-up is one of common fitness modes, so that the related fitness equipment for sit-up is also one of hot household fitness equipment.
Through retrieval, the Chinese patent discloses a sit-up auxiliary device (publication number: CN109758732A), which comprises a mounting plate, wherein both sides of a mounting sleeve are fixedly connected with a clamping foot rod, a compression spring is connected between two movable sleeves, the outer side of a clamping block is movably clamped with the inner side of a clamping groove, the back surface of the inner wall of a through groove is connected with a rack, the front surface of the rack is meshed with a gear, the top and the bottom of the left side of a T-shaped rod are both provided with an inserted bar, and the left side of the inserted bar penetrates through a fixing hole and extends to an inner cavity of the fixing hole.
The existing supination device is single in structure, small in adjusting range and poor in practicability, and the existing supination device is few in auxiliary structure and inconvenient to help some special crowds to use.
Disclosure of Invention
The invention aims to provide a supine device for fitness and a using method thereof, and solves the following technical problems:
how to increase the application range of the device, thereby facilitating the adjustment according to the actual needs of users;
how to make special crowds use the device conveniently through the auxiliary structure.
The purpose of the invention can be realized by the following technical scheme:
a supine device for body building comprises a base, wherein a plurality of adjusting support pads are arranged on the lower surface of the base, used for adjusting the horizontal position of the base, one side of the base is fixedly connected with a fixed frame, the side surface of the fixed frame is provided with a leg pressing frame, is convenient for a user to press legs during sit-up, adjusting parts are respectively arranged on two sides of the upper surface of the base, a first backing plate and a second backing plate are respectively arranged at the top ends of the two groups of adjusting parts, a connecting frame is arranged between the first backing plate and the second backing plate, used for adjusting the distance between the first base plate and the second base plate, the upper surface of the second base plate is provided with a pressing plate, an elastic piece is arranged between one end of the lower surface of the pressing plate and the second base plate, and the elastic piece is used for supporting the pressing plate to rotate, so that the back of a user is supported when the user sits up.
As a further scheme of the invention: the inside of mount is seted up the intercommunication groove and is accomodate the groove, and one side of mount has seted up the spout, and the side of accomodating the groove is linked together with the spout, and the top of accomodating the groove is linked together with the intercommunication groove.
As a further scheme of the invention: the leg pressing frame comprises a screw rod, the bottom end of the screw rod is rotatably connected with the bottom of the accommodating groove, the top end of the screw rod extends into the communicating groove, a leg pressing rod is connected to the outer side of the screw rod in a threaded mode, the connecting portion of the leg pressing rod and the screw rod is prism-shaped and is in sliding connection with the sliding groove, the connecting portion of the leg pressing rod and the screw rod is used for increasing torque between the connecting portion of the leg pressing rod and the sliding groove, and therefore the leg pressing rod is prevented from rotating.
As a further scheme of the invention: the adjusting part comprises first telescopic links, each first telescopic link comprises a first cylinder body and a second cylinder body which are connected in a sliding mode, the two ends of each first cylinder body and the two ends of each second cylinder body are respectively connected with the base and the sliding part in a rotating mode, one of the first cylinder body and the second cylinder body is provided with a threaded hole in which a screw rod is vertically distributed, the other cylinder body is provided with a single threaded hole, the first cylinder body and the second cylinder body are fixed through threaded holes through first bolts, and the sliding parts are respectively connected with the first base plate and the second base plate in a sliding mode.
As a further scheme of the invention: one of them side-mounting second telescopic link of first cylinder and second cylinder in the first telescopic link, the second telescopic link includes sliding connection's third cylinder and fourth cylinder, and two sets of screws that the size is the same are seted up with first cylinder and second cylinder to third cylinder and fourth cylinder for facilitate the bolt of using same model.
As a further scheme of the invention: the top end of the third column body is rotatably connected with the part corresponding to the first telescopic rod.
As a further scheme of the invention: the adjustable adjusting mechanism is characterized in that an inclined plane supporting block and a latch plate are fixedly connected to one side, close to the two groups of adjusting parts, of the inner portion of the base, a limiting inclined plane is arranged on one side, facing the adjacent adjusting parts, of the inclined plane supporting block, and an included angle between the limiting inclined plane and the vertical direction is 20-55 degrees and used for limiting the inclination angle of the first telescopic rod in each adjusting part.
As a further scheme of the invention: the bottom of fourth cylinder is conical, and the bottom joint of fourth cylinder is in the inside of pinion rack for support first telescopic link.
As a further scheme of the invention: the link includes the fixed cover of a plurality of, the fixed cover of a plurality of respectively with first backing plate and second backing plate fixed connection, and be a plurality of row distribution between the fixed cover of a plurality of.
As a further scheme of the invention: and a sliding rod is connected between each row of fixing sleeves in a sliding manner, and any end of the sliding rod is fixedly connected with the first base plate or the second base plate.
As a further scheme of the invention: the link still includes screwed pipe and threaded rod, the one end of screwed pipe and threaded rod rotates with first backing plate and second backing plate respectively and is connected, and threaded rod threaded connection is in the inside of screwed pipe.
As a further scheme of the invention: the inside fixedly connected with first elastomer of a plurality of second backing plate, the equal fixedly connected with backup pad in top of the first elastomer of a plurality of, the upper surface of a plurality of backup pad is all equallyd divide for support according to the clamp plate.
As a further scheme of the invention: according to the one end fixedly connected with curb plate of clamp plate lower surface, the side fixedly connected with a plurality of third elastomer of curb plate, the one end fixedly connected with of a plurality of third elastomer extends to the inside fixture block of second backing plate for will press clamp plate and second backing plate to fix, prevent to rotate according to the clamp plate.
As a further scheme of the invention: the clamping block is fixedly connected to the inner side of the second base plate, the clamping block is fixedly connected to one side of the inner side of the second base plate, the second elastic body is fixedly connected to one end of the second elastic body, the pressing block is attached to one side of the clamping block in one side, the pressing block is attached to the outer side of the second base plate in the other side, and therefore the clamping block is pushed out of the second base plate through the pressing block by an convenience user, and the pressing plate rotates.
As a further scheme of the invention: the elastic part comprises a connecting rod fixedly connected with the lower surface of the pressing plate, the bottom end of the connecting rod is rotatably connected with an elastic arc part, and the elastic arc part protrudes towards one side of the pressing plate and is used for forming a concave part, so that the bending is convenient.
As a further scheme of the invention: one end fixedly connected with thread plate that the connecting rod was kept away from to elasticity arc spare, thread plate are used for being connected through the bolt with the second backing plate to support according to the clamp plate.
The invention also discloses a use method of the supine device for fitness, which comprises the following steps:
the method comprises the following steps: the first base plate and the second base plate are lifted upwards, the adjusting piece is attached to the inclined plane supporting block, the lengths of a first telescopic rod and a second telescopic rod in the adjusting piece are adjusted, the bottom of the second telescopic rod is clamped to the upper side of the clamping toothed plate, and the first base plate and the second base plate are supported;
step two: the adjusting connecting frame is used for adjusting the lengths of the first base plate and the second base plate;
step three: and rotating the pressing plate out of the second base plate, and fixing the thread plate of the elastic arc piece in the elastic piece with the second base plate.
The invention has the beneficial effects that:
the two groups of backing plates are connected with the base through the two groups of adjusting parts, and the height and the angle between the two groups of backing plates can be adjusted by adjusting the two groups of adjusting parts, so that a user can conveniently adjust the height and the angle according to needs, the height and the angle comprise horizontal, left inclined and right inclined states, the application range is wider, the body position during supine exercise can be adjusted according to the hobbies and body types of the user, and the exercise quality can be improved;
the height of the leg pressing frame and the length between the two groups of backing plates can be adjusted, and the leg pressing frame is simple and reasonable in structure and convenient to adjust;
meanwhile, a pressing plate is arranged on the upper side of the second base plate in the device, and an elastic piece is arranged between the pressing plate and the second base plate, so that the back of a human body can be supported during supine exercise, or the resistance of the back during supine exercise can be increased, and the application range of the device can be widened;
on the other hand, when not using, accomodate in the inside of second backing plate according to the clamp plate, the second backing plate supports according to the clamp plate through first elastomer and backup pad to can avoid when the operative installations, press the clamp plate to cave in to the second backing plate, and then can improve the comfort level when using.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a side view of the invention in the expanded state;
FIG. 3 is a schematic view of the adjusting member of the present invention in use;
FIG. 4 is a schematic view of the connection frame of the present invention;
FIG. 5 is a partial cross-sectional view of a second shim plate according to the present invention;
FIG. 6 is a schematic view of the assembly of the pressing plate and the second pad of the present invention;
in the figure: 1. a base; 2. adjusting the supporting pad; 3. a fixed mount; 4. a leg pressing frame; 5. an adjustment member; 6. a first backing plate; 7. a second backing plate; 8. a connecting frame; 9. a pressing plate; 10. an elastic member; 51. a first telescopic rod; 52. a second telescopic rod; 110. an inclined plane supporting block; 120. a toothed plate; 81. fixing a sleeve; 82. a slide bar; 83. a threaded pipe; 84. a threaded rod; 71. a first elastic body; 72. a support plate; 73. a pressing block; 74. a second elastomer; 91. a side plate; 92. a third elastomer; 93. a clamping block; 101. a connecting rod; 102. an elastic arc member; 31. a communicating groove; 53. a slider; 41. a screw rod; 42. leg pressing rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the invention relates to a supine device for body-building, comprising a base 1, a plurality of adjusting support pads 2 mounted on the lower surface of the base 1 for adjusting the horizontal position of the base 1, a fixing frame 3 fixedly connected to one side of the base 1, a leg-pressing frame 4 mounted on the side surface of the fixing frame 3 for facilitating the leg-pressing of a user during sit-up, adjusting members 5 mounted on both sides of the upper surface of the base 1, a first cushion plate 6 and a second cushion plate 7 mounted on the top ends of the two groups of adjusting members 5, a connecting frame 8 mounted between the first cushion plate 6 and the second cushion plate 7 for adjusting the distance between the first cushion plate 6 and the second cushion plate 7, a pressing plate 9 mounted on the upper surface of the second cushion plate 7, an elastic member 10 mounted between one end of the lower surface of the pressing plate 9 and the second cushion plate 7, the elastic member 10 for supporting and rotating the pressing plate 9, thereby supporting the back of the user during the sit-up.
The inside of mount 3 has been seted up communicating groove 31 and has been accomodate the groove, and one side of mount 3 has been seted up the spout, and the side of accomodating the groove is linked together with the spout, and the top of accomodating the groove is linked together with communicating groove 31.
The leg pressing frame 4 comprises a screw rod 41, the bottom end of the screw rod 41 is rotatably connected with the bottom of the accommodating groove, the top end of the screw rod 41 extends into the communicating groove 31, a leg pressing rod 42 is connected with the outer side of the screw rod 41 in a threaded manner, the connecting part of the leg pressing rod 42 and the screw rod 41 is prismatic and is in sliding connection with the sliding groove, and the leg pressing rod 42 is used for increasing the torque between the connecting part of the leg pressing rod 42 and the sliding groove so as to prevent the leg pressing rod 42 from rotating.
Regulating part 5 all includes first telescopic link 51, first telescopic link 51 all includes sliding connection's first cylinder and second cylinder, the both ends of first cylinder and second cylinder rotate with base 1 and slider 53 respectively and are connected, one of them screw hole of the vertical distribution of a plurality of has been seted up in first cylinder and the second cylinder, single screw hole has been seted up to another cylinder, and fix through first bolt through-thread hole between first cylinder and the second cylinder, two sets of slider 53 respectively with first backing plate 6 and second backing plate 7 sliding connection.
One of them side-mounting second telescopic link 52 of first cylinder and second cylinder in first telescopic link 51, second telescopic link 52 includes sliding connection's third cylinder and fourth cylinder, and two sets of screws that the size is the same are seted up with first cylinder and second cylinder to third cylinder and fourth cylinder for conveniently use the bolt of same model, the top of third cylinder and the position that first telescopic link 51 corresponds rotate and be connected.
The inclined plane supporting block 110 and the latch plate 120 are fixedly connected to one side, close to the two groups of adjusting parts 5, of the interior of the base 1, a limiting inclined plane is arranged on one side, facing the adjacent adjusting part 5, of the inclined plane supporting block 110, an included angle between the limiting inclined plane and the vertical direction is 20-55 degrees, preferably 45 degrees, and the included angle is used for limiting the inclined angle of the first telescopic rod 51 in each adjusting part 5.
The bottom of the fourth column is conical, and the bottom end of the fourth column is clamped inside the clamping tooth plate 120 and used for supporting the first telescopic rod 51.
Referring to fig. 4, the connecting frame 8 includes a plurality of fixing sleeves 81, the fixing sleeves 81 are respectively fixedly connected to the first pad 6 and the second pad 7, the fixing sleeves 81 are distributed in a plurality of rows, a sliding rod 82 is slidably connected between each row of fixing sleeves 81, and any end of the sliding rod 82 is fixedly connected to the first pad 6 or the second pad 7.
The connecting frame 8 further comprises a threaded pipe 83 and a threaded rod 84, one end of the threaded pipe 83 and one end of the threaded rod 84 are respectively connected with the first cushion plate 6 and the second cushion plate 7 in a rotating mode, and the threaded rod 84 is connected to the inner portion of the threaded pipe 83 in a threaded mode.
Referring to fig. 5 to 6, a plurality of first elastic bodies 71 are fixedly connected to the inside of the second cushion plate 7, supporting plates 72 are fixedly connected to the top ends of the plurality of first elastic bodies 71, and the upper surfaces of the plurality of supporting plates 72 are flat for supporting the pressing plate 9.
According to one end fixedly connected with curb plate 91 of pressing panel 9 lower surface, the side fixedly connected with a plurality of third elastomer 92 of curb plate 91, the one end fixedly connected with of a plurality of third elastomer 92 extends to the inside fixture block 93 of second backing plate 7 for fix pressing panel 9 and second backing plate 7, prevent to rotate pressing panel 9.
Inside one side that is close to fixture block 93 of second backing plate 7 all fixedly connected with second elastomer 74, the one end fixedly connected with of second elastomer 74 presses piece 73, and the laminating of one side of pressing piece 73 is in one side of fixture block 93, and the laminating of the opposite side of pressing piece 73 is in the outside of second backing plate 7 for the person of facilitating the use pushes out second backing plate 7 with fixture block 93 through pressing piece 73, and then will press pressure board 9 to rotate.
The elastic part 10 comprises a connecting rod 101 fixedly connected with the lower surface of the pressing plate 9, the bottom end of the connecting rod 101 is rotatably connected with an elastic arc part 102, and the elastic arc part 102 protrudes towards one side of the pressing plate 9 and is used for forming a concave part, so that the bending is convenient.
One end of the elastic arc member 102, which is far away from the connecting rod 101, is fixedly connected with a threaded plate, and the threaded plate is used for being connected with the second pad plate 7 through a bolt, so that the pressing plate 9 is supported.
Preferably, elasticity arc piece 102 includes the frame that a plurality of natural rubber constitutes, and the inside of frame is the vertical connecting strip that is provided with a plurality of arc and material for natural rubber, and the equal adhesion in inside of connecting strip is connected with the spring part for improve elasticity arc piece 102's elasticity.
The using method comprises the following steps:
the method comprises the following steps: lifting the first backing plate 6 and the second backing plate 7 upwards, attaching the adjusting piece 5 to the inclined plane supporting block 110, adjusting the lengths of the first telescopic rod 51 and the second telescopic rod 52 in the adjusting piece 5, clamping the bottom of the second telescopic rod 52 to the upper side of the clamping toothed plate 120, and supporting the first backing plate 6 and the second backing plate 7;
step two: the adjusting connecting frame 8 is used for adjusting the lengths of the first base plate 6 and the second base plate 7;
step three: the pressing plate 9 is rotated out of the second pad 7, and the screw plate of the elastic arc member 102 of the elastic member 10 is fixed to the second pad 7.
The working principle of the invention is as follows:
the first backing plate 6 and the second backing plate 7 are lifted upwards, the first telescopic rod 51 in the adjusting piece 5 is attached to the limiting inclined plane of the inclined plane supporting block 110, the rotating angle of the first telescopic rod 51 is limited, the lengths of the first telescopic rod 51 and the second telescopic rod 52 in the adjusting piece 5 are adjusted, the first column body and the second column body in the first telescopic rod 51 are stretched and locked and fixed through bolts, and in the same way, the third column body and the fourth column body in the second telescopic rod 52 are fixed, the bottom of the second telescopic rod 52 is clamped to the upper side of the clamping tooth plate 120, and the first backing plate 6 and the second backing plate 7 are supported;
the adjusting connecting frame 8 is used for adjusting the lengths of the first cushion plate 6 and the second cushion plate 7, when the connecting frame 8 is adjusted, the threaded pipe 83 and the threaded rod 84 are rotated in opposite directions, and the first cushion plate 6 and the second cushion plate 7 slide along the sliding rod 82 through the respective fixing sleeves 81, so that the distance between the first cushion plate 6 and the second cushion plate 7 is changed;
the pressing plate 9 is rotated out of the second cushion plate 7, the thread plate of the elastic arc piece 102 in the elastic piece 10 is fixed with the second cushion plate 7, the pressing plate 9 is supported, and when the pressing plate 9 is positioned in the second cushion plate 7, the pressing plate 9 is supported through the first elastic body 71 and the supporting plate 72;
when taking exercise, rotate lead screw 41 in the leg pressing frame 4 earlier, adjust the height with leg pressing pole 42 along the spout of mount 3, after the adjustment is accomplished, the user lies to the upside of first backing plate 6 and pressure board 9 to place the leg at the upside of mount 3, carry out the sit up afterwards can, when backward movement, press elastic component 10 through pressure board 9, when getting up, elastic component 10 supports the user through pressure board 9.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a body-building is with device of lying on back, includes base (1), one side fixedly connected with mount (3) of base (1), the side-mounting of mount (3) presses leg rest (4), a serial communication port, regulating part (5), two sets of are all installed to the both sides of base (1) upper surface first backing plate (6) and second backing plate (7) are installed respectively to the top of regulating part (5), install link (8) between first backing plate (6) and second backing plate (7), the last surface mounting of second backing plate (7) presses down pressure board (9), install elastic component (10) between the one end of pressing down pressure board (9) lower surface and second backing plate (7).
2. Supine device for exercising according to claim 1 wherein the adjusting members (5) each comprise a first telescopic rod (51), the first telescopic rods (51) each comprise a first and a second cylinder slidably connected, the first and second cylinder being rotatably connected at both ends to the base (1) and the sliding member (53), respectively.
3. Supine device for exercise according to claim 2 wherein two sets of slides (53) are slidably connected to the first (6) and second (7) pads, respectively.
4. A supine device for exercising according to claim 3 wherein a second telescopic rod (52) is installed on one side of the first column and the second column of the first telescopic rod (51), the second telescopic rod (52) comprises a third column and a fourth column which are connected in a sliding way, and the top end of the third column is connected with the corresponding part of the first telescopic rod (51) in a rotating way.
5. Supine device for exercise according to claim 1 wherein a slope support block (110) and a toothed plate (120) are fixedly connected to one side of the inside of the base (1) near to the two sets of adjusting members (5), wherein a limit slope is provided on one side of the slope support block (110) facing to the adjacent adjusting member (5), and the angle between the limit slope and the vertical direction is 20-55 °.
6. Supine device for exercise according to claim 1 wherein the connecting frame (8) comprises a plurality of fixing sleeves (81), the plurality of fixing sleeves (81) are respectively fixedly connected with the first cushion plate (6) and the second cushion plate (7), and the plurality of fixing sleeves (81) are distributed in a plurality of rows, a sliding rod (82) is slidably connected between each row of fixing sleeves (81), and any end of the sliding rod (82) is fixedly connected with the first cushion plate (6) or the second cushion plate (7).
7. The supine apparatus for exercise according to claim 1 wherein the second cushion plate (7) is fixedly connected with a plurality of first elastic bodies (71), the top ends of the plurality of first elastic bodies (71) are fixedly connected with a support plate (72), and the upper surfaces of the plurality of support plates (72) are level.
8. Supine device for exercise according to claim 7 wherein the elastic member (10) comprises a connecting rod (101) fixedly connected to the lower surface of the pressing plate (9), the bottom end of the connecting rod (101) is rotatably connected with an elastic arc member (102), the elastic arc member (102) is protruded toward one side of the pressing plate (9).
9. Supine device for exercise according to claim 8 wherein the end of the resilient arc member (102) remote from the connecting rod (101) is fixedly connected with a threaded plate screwed with the second base plate (7).
10. The use method of the supine device for body building is characterized by comprising the following steps:
the method comprises the following steps: the first backing plate (6) and the second backing plate (7) are lifted upwards, the adjusting piece (5) is attached to the inclined plane supporting block (110), the lengths of a first telescopic rod (51) and a second telescopic rod (52) in the adjusting piece (5) are adjusted, the bottom of the second telescopic rod (52) is clamped to the upper side of the clamping toothed plate (120), and the first backing plate (6) and the second backing plate (7) are supported;
step two: the adjusting connecting frame (8) is used for adjusting the lengths of the first base plate (6) and the second base plate (7);
step three: the pressing plate (9) is rotated out of the second backing plate (7), and then the thread plate of the elastic arc piece (102) in the elastic piece (10) is fixed with the second backing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284773.3A CN114159732B (en) | 2021-11-01 | 2021-11-01 | Supine device for body building and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284773.3A CN114159732B (en) | 2021-11-01 | 2021-11-01 | Supine device for body building and using method thereof |
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| CN114159732A true CN114159732A (en) | 2022-03-11 |
| CN114159732B CN114159732B (en) | 2022-12-13 |
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| CN213432800U (en) * | 2019-12-24 | 2021-06-15 | 山东宝迪朗格健身器材有限公司 | Body-building equipment for sports teaching equipment |
| CN212038797U (en) * | 2019-12-26 | 2020-12-01 | 辽宁建筑职业学院 | Sit-up chair with adjustable length |
| CN112121356A (en) * | 2020-09-22 | 2020-12-25 | 岭南师范学院 | Sit-up trainer for residential quarter |
| CN112546555A (en) * | 2020-11-17 | 2021-03-26 | 赵明珠 | Portable sit-up exercise device |
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| CN114159732B (en) | 2022-12-13 |
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