CN113457069A - Body-building is with bench press protection device - Google Patents
Body-building is with bench press protection device Download PDFInfo
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- CN113457069A CN113457069A CN202110938589.XA CN202110938589A CN113457069A CN 113457069 A CN113457069 A CN 113457069A CN 202110938589 A CN202110938589 A CN 202110938589A CN 113457069 A CN113457069 A CN 113457069A
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- Prior art keywords
- barbell
- frame
- sliding
- mounting
- rope
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/078—Devices for bench press exercises, e.g. supports, guiding means
- A63B21/0783—Safety features for bar-bells, e.g. drop limiting means
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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
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/1209—Involving a bending of elbow and shoulder joints simultaneously
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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
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
- A63B2024/0093—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load the load of the exercise apparatus being controlled by performance parameters, e.g. distance or speed
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Rehabilitation Tools (AREA)
Abstract
A body-building bench press protection device comprises a lying frame, a barbell component, a connecting sleeve, a connecting rope, a guide wheel, a rope winding wheel, a connecting ring, a coil spring, a first mounting shaft, a driving gear, a driven gear, a second mounting shaft, a rotating disc, a limiting table, a sliding sleeve, a pressure sensor, a mounting cover, a fixing rod, a supporting frame and a central controller; the barbell component is arranged on the fixed rod in a sliding mode in the vertical direction, the connecting sleeve is connected with the barbell component in a rotating mode, the connecting rope winds the guide wheel, two ends of the connecting rope are respectively connected with the connecting sleeve and the rope winding wheel, a plurality of accommodating grooves are uniformly arranged on the rotating disc in an annular mode, the accommodating grooves are provided with limiting components, and each limiting component comprises a rotating shaft, a limiting plate and a first elastic piece; the guide wheel is rotatably arranged at the top of the supporting frame, and the supporting frame is provided with a pushing mechanism for driving the lying frame to translate. The barbell assembly can be prevented from hitting the user when the user is not strong, personal injury to the user is prevented, and safety is high.
Description
Technical Field
The invention relates to the technical field of fitness equipment, in particular to a bench press protection device for fitness.
Background
Flat bench press is a dominant beating action to strengthen the pectoral muscles. Bench press is a complex movement involving multiple joints, the shoulder and elbow joints involved in the movement. The pectoral muscles only control the movement of the shoulder joints and pull the upper arms from both sides towards the chest. The motion of the elbow joint is accomplished by the triceps brachii muscle, which changes the arm from a bent to a straightened state.
At present, when a user does bench press exercise, the user cannot lift the barbell due to physical weakness, the barbell can hit the user, and the physical safety of the user is damaged.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a bench press protection device for fitness, which can prevent a barbell component from hitting a user when the user is not strong, prevent personal injury to the user and has high safety.
(II) technical scheme
The invention provides a lying-pushing protection device for fitness, which comprises a lying frame, a barbell component, a connecting sleeve, a connecting rope, a guide wheel, a rope winding wheel, a connecting ring, a coil spring, a first mounting shaft, a driving gear, a driven gear, a second mounting shaft, a rotating disc, a limiting table, a sliding sleeve, a pressure sensor, a mounting cover, a fixing rod, a supporting frame and a central controller, wherein the lying frame is arranged on the lying frame;
the barbell component is arranged on the fixed rod in a sliding manner along the vertical direction, the connecting sleeve is connected with the barbell component in a rotating manner, the connecting rope bypasses the guide wheel, two ends of the connecting rope are respectively connected with the connecting sleeve and the rope winding wheel, the rope winding wheel and the driving gear are coaxially arranged on the first installation shaft, the connecting ring is arranged on the installation cover, the coil spring is sleeved between the connecting ring and the first installation shaft, two ends of the coil spring are respectively connected with the connecting ring and the first installation shaft, the driven gear is meshed with the driving gear, the driven gear and the rotating disc are coaxially arranged on the second installation shaft, a plurality of accommodating grooves are uniformly arranged on the rotating disc in an annular manner, a limiting component is arranged at the accommodating grooves and comprises a rotating shaft, a limiting plate and a first elastic part, the rotating shaft is rotatably connected with the rotating disc, the limiting plate is connected with the rotating shaft, two ends of the first elastic part are respectively connected with the inner wall of the accommodating grooves and the limiting plate, and the limiting table is arranged on the sliding sleeve in a sliding manner, the sliding sleeve and the pressure sensor are both arranged on the mounting cover, the pressure sensor is positioned at the bottom of the limiting table, the pressure sensor is in communication connection with the central controller, and the first mounting shaft and the second mounting shaft are both rotatably arranged on the mounting cover; the guide wheel is rotatably arranged at the top of the supporting frame, the fixed rod is vertically arranged on the supporting frame, the supporting frame is provided with a pushing mechanism for driving the lying frame to translate, and the central controller is in control connection with the pushing mechanism.
Preferably, the support frame is vertically provided with a mounting column and a guide rail, the mounting column is provided with a plurality of hooks side by side along the vertical direction, the barbell component comprises a barbell bar, a sliding frame, a counterweight component and an elastic positioning component, the barbell bar is rotatably connected with the connecting sleeve, the barbell bar penetrates through the sliding frame along the horizontal direction and is rotatably connected with the sliding frame, and the sliding frame is arranged on the fixed rod in a sliding manner along the vertical direction; the balance weight components are symmetrically arranged in two groups about the barbell rod and comprise connecting columns, baffle rings and barbell pieces, the connecting columns are rotatably connected with the end parts of the barbell rod, the connecting columns are arranged on the guide rails in a sliding mode along the vertical direction, the baffle rings are arranged on the connecting columns, and the barbell pieces are placed on the connecting columns; elastic positioning subassembly is provided with two sets ofly about barbell bar symmetry, elastic positioning subassembly includes the installation cover, the location platform, the slide bar, the roof, the second elastic component and can hang the peg on the couple, the installation cover sets up on the barbell bar, be provided with the constant head tank that is used for the card to go into the location platform on the installation cover, the constant head tank is provided with two perpendicularly around barbell bar center pin, the location platform, slide bar and roof are connected gradually by supreme down, the slide bar runs through the carriage and with carriage sliding connection, the second elastic component both ends are connected with location platform and carriage respectively, the peg sets up on the installation cover.
Preferably, the frame of lying includes layer board, fixed column, footboard and slip table, and the equal level of layer board and footboard sets up, and fixed column and footboard all are provided with two about the layer board symmetry, and the fixed column both ends are connected with layer board and footboard respectively, and the slip table setting is in the layer board bottom.
Preferably, the supporting frame comprises an upper frame, a support, a supporting column and an under frame, the support is arranged on the under frame and connected with an installation cover, a rope threading channel for penetrating a connecting rope is formed in the installation cover, the guide wheel is rotatably arranged on the upper frame, the supporting column is vertically arranged, the top end of the installation column, the top end of the fixed rod, the top end of the guide rail and the top end of the supporting column are all connected with the upper frame, and the bottom end of the installation column, the bottom end of the fixed rod, the bottom end of the guide rail and the bottom end of the supporting column are all connected with the under frame;
connecting plates are connected to two sides of the rotating disc, and the rotating shaft is rotatably connected with the connecting plates; the limiting table is provided with a blocking surface for bearing the limiting plate.
Preferably, the device also comprises two placing tables, the two placing tables are symmetrically arranged on the supporting frame, the placing tables are horizontally arranged on the supporting columns, a placing groove is arranged on each placing table, the opening of each placing groove faces the horizontal direction, each placing groove is in a step shape along the horizontal direction, and each placing groove comprises an arc-shaped surface on the upper portion.
Preferably, the constant head tank is minor arc groove, and the location platform is including the connection board portion and the card platform portion of from top to bottom body coupling, card platform portion including with the anastomotic minor arc face of constant head tank.
Preferably, the first elastic member is an extension spring, the second elastic member is a compression spring, and the second elastic member is sleeved on the outer peripheral side of the sliding rod.
Preferably, the pushing mechanism comprises a motor, a screw rod, a screw nut and a guide rod, the motor is arranged on the bottom frame and is in driving connection with the screw rod, the screw rod is rotatably arranged on the bottom frame and is in threaded connection with the screw nut, the screw nut is connected with the sliding table, the sliding table is slidably arranged on the guide rod, the guide rod is arranged side by side with the screw rod, and the guide rod is arranged on the bottom frame.
Preferably, the power supply and the motor, the pressure sensor, the central controller and the touch display panel are respectively and electrically connected, the central controller and the motor and the touch display panel are respectively and electrically connected, and the touch display panel is in control connection with the motor.
Preferably, the use method of the bench press protection device for fitness comprises the following steps:
s1, the user lies on the lying frame;
s2, the user grips the barbell assembly and pushes the barbell assembly up and down to do bench press exercise;
when the physical strength of a user is not enough to lift the barbell component, the barbell component is loosened by two hands, the barbell component drives the connecting rope to move around the guide wheel through the connecting sleeve, the connecting rope drives the rope winding wheel to rotate, the rope winding wheel drives the first mounting shaft, the coil spring and the driving gear to move, elastic potential energy is stored in the coil spring, the driving gear drives the driven gear to rotate, the driven gear drives the rotating disc to rotate through the second mounting shaft, the rotating shaft and the limiting plate rotate along with the rotating disc, under the action of centrifugal force, the rotating speed of the rotating disc reaches the degree that the outer end of the limiting plate can rotate out of the accommodating groove, the first elastic piece is stretched, the limiting plate is clamped at the top of the limiting table, the rotating disc does not continue to rotate, the barbell assembly does not continue to fall, the limiting table is pressed by the limiting plate, the pressure is transmitted to the pressure sensor, the pressure sensor sends a signal to the central controller, and the central controller controls the pushing mechanism to push the lying frame away from the lower part of the barbell component;
when the user normally takes exercise, the connecting rope is always kept in a tensioning state, and the rotating speed of the rotating disc cannot reach the degree of moving the outer end of the limiting plate out of the accommodating groove.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the barbell assembly can be prevented from hitting the user when the user is not strong, personal injury to the user is prevented, and safety is high. In use, a user lies on the lying frame, and grasps the barbell assembly with both hands to perform bench press exercise, and the barbell assembly moves in a vertical direction. When a user pulls down the barbell component, the connecting sleeve moves downwards, the connecting sleeve drives the connecting rope to move around the guide wheel, the connecting rope drives the rope winding wheel to rotate, the rope winding wheel releases the connecting rope, the rope winding wheel drives the first mounting shaft to rotate, the first mounting shaft drives the coil spring to move, and the coil spring deforms and stores elastic potential energy; when the user pushes up the barbell subassembly, the adapter sleeve shifts up, and the spring coil releases elastic potential energy to drive first installation axle reversal, will connect the rope rolling on the rope winding wheel, connect the rope and be in tensioning state all the time, the condition of scattering can not appear, can not influence user's normal exercise process. When the user carries out normal bench press and takes exercise, first installation axle drives the driving gear and rotates, and the driving gear drives driven gear and rotates, and driven gear passes through the second installation axle and drives the rolling disc and rotate, and the axis of rotation can rotate on the rolling disc to drive the limiting plate and rotate, the rotational speed of rolling disc can not reach and make the limiting plate outer end go out the degree of accomodating the groove under the centrifugal force effect. When a user feels that physical strength is insufficient, the barbell assembly is directly loosened, the barbell assembly falls freely, the barbell assembly passes through the connecting sleeve, the connecting rope, the guide wheel, the rope winding wheel, the first installation shaft, the driving gear, the driven gear and the second installation shaft drive the rotating disc to rotate, the first installation shaft drives the coil spring to move, the coil spring deforms and stores elastic potential energy, the rotating speed of the rotating disc reaches the degree that the outer end of the limiting plate can be out of the accommodating groove under the action of centrifugal force, at the moment, the outer end of the limiting plate can be pressed down at the top of the limiting table, the limiting plate cannot continue to rotate, the rotating disc cannot continue to rotate, the second installation shaft, the driven gear, the driving gear, the first installation shaft, the rope winding wheel, the guide wheel, the connecting rope and the connecting sleeve cannot move downwards, the barbell assembly cannot be smashed on the body of the user, and therefore safety under emergency is improved. At the moment, the pressure of the limiting plate is transmitted to the pressure sensor by the limiting table, the pressure sensor detects the increase of the pressure and sends a signal to the central controller, the central controller controls the pushing mechanism to drive the lying frame to move, the lying frame drives the user to move, the user is moved away from the lower part of the barbell component, and the safety of the device is further improved. When the user resumes physical power and continues to temper or other people when taking exercise here, with the barbell subassembly pushup, the spring releases elastic potential energy, the rolling disc rotates, the limiting plate removes from spacing bench top, the second elastic component draws in the limiting plate and accomodates the inslot for this device reaches the state that can continue to be used for taking exercise, and is very convenient.
Under initial condition, the peg is hung on the couple, the user lies and lies on the frame of lying, gripping barbell bar, rotate 90 to the rear side, barbell bar drives the installation cover and rotates, the installation cover drives the peg and rotates, with the peg from the couple department of puting aside, rotate the in-process at the installation cover, the location platform is putd aside from a constant head tank, and go into in another constant head tank, the slide bar slides from top to bottom, the removal process to the location platform leads, the roof can prevent that the slide bar from droing, the second elastic component can guarantee that the location platform compresses tightly in constant head tank department, make barbell bar be adjusted to the state that can reciprocate, the angle of user's adjustment hand gripping barbell bar, then carry out the bench press and take exercise. When a user rotates the barbell bar, the barbell bar drives the mounting sleeve to rotate, the mounting sleeve can push the positioning table to move upwards through the inferior arc-shaped groove and the inferior arc-shaped surface, the clamping table part is moved out from one positioning groove, and then the clamping table part is clamped into the other positioning groove under the action of the elastic force of the second elastic piece, so that the convenience of switching the position of the barbell bar and the use state of the device is ensured.
Drawings
Fig. 1 is a schematic structural view of a bench press protection device for fitness according to the present invention.
Fig. 2 is an enlarged view of the structure of fig. 1 at a.
Fig. 3 is an enlarged view of the structure of fig. 1 at B according to the present invention.
Fig. 4 is a schematic structural diagram of the installation cover in the bench press protection device for fitness provided by the invention.
Fig. 5 is an enlarged view of the structure of fig. 4 at C according to the present invention.
Fig. 6 is a structural connection block diagram of a central controller in the reclining protection device for exercise according to the present invention.
Reference numerals: 1. a support plate; 2. a pedal; 3. a motor; 4. a screw rod; 5. a guide bar; 6. a sliding table; 7. a barbell bar; 8. connecting sleeves; 9. connecting ropes; 10. a guide wheel; 11. a top frame; 12. a rope winding wheel; 13. a connecting ring; 14. a coil spring; 15. a first mounting shaft; 16. a driving gear; 17. a driven gear; 18. a second mounting shaft; 19. rotating the disc; 191. a receiving groove; 20. a connecting plate; 21. a rotating shaft; 22. a limiting plate; 23. a first elastic member; 24. a limiting table; 241. a blocking surface; 25. a sliding sleeve; 26. a pressure sensor; 27. mounting a cover; 271. a rope threading channel; 272. a support; 28. installing a sleeve; 281. positioning a groove; 29. a positioning table; 30. a slide bar; 31. a top plate; 32. a second elastic member; 33. a hanging rod; 34. hooking; 35. mounting a column; 36. a carriage; 37. fixing the rod; 38. connecting columns; 39. a guide rail; 40. a baffle ring; 41. a barbell disc; 42. a support pillar; 43. a chassis; 44. a placing table; 441. a placement groove; 45. a central controller; 46. a touch display panel is provided.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the bench press protection device for fitness provided by the invention comprises a lying frame, a barbell assembly, a connecting sleeve 8, a connecting rope 9, a guide wheel 10, a rope winding wheel 12, a connecting ring 13, a coil spring 14, a first mounting shaft 15, a driving gear 16, a driven gear 17, a second mounting shaft 18, a rotating disc 19, a limit table 24, a sliding sleeve 25, a pressure sensor 26, a mounting cover 27, a fixing rod 37, a support frame and a central controller 45;
the barbell assembly is arranged on a fixed rod 37 in a sliding mode along the vertical direction, a connecting sleeve 8 is connected with the barbell assembly in a rotating mode, a connecting rope 9 bypasses a guide wheel 10, two ends of the connecting rope are respectively connected with the connecting sleeve 8 and a rope winding wheel 12, the rope winding wheel 12 and a driving gear 16 are coaxially arranged on a first installation shaft 15, a connecting ring 13 is arranged on an installation cover 27, a coil spring 14 is sleeved between the connecting ring 13 and the first installation shaft 15, two ends of the coil spring 14 are respectively connected with the connecting ring 13 and the first installation shaft 15, a driven gear 17 is meshed with the driving gear 16 and is coaxially arranged on a second installation shaft 18, a plurality of accommodating grooves 191 are uniformly arranged on a rotating disc 19 in an annular mode, a limiting assembly is arranged at the accommodating grooves 191 and comprises a rotating shaft 21, a limiting plate 22 and a first elastic piece 23, the rotating shaft 21 is rotatably connected with the rotating disc 19, and the limiting plate 22 is connected with the rotating shaft 21, the two ends of the first elastic piece 23 are respectively connected with the inner wall of the containing groove 191 and the limiting plate 22, the limiting table 24 is arranged on the sliding sleeve 25 in a sliding mode, the sliding sleeve 25 and the pressure sensor 26 are both arranged on the mounting cover 27, the pressure sensor 26 is located at the bottom of the limiting table 24, the pressure sensor 26 is in communication connection with the central controller 45, and the first mounting shaft 15 and the second mounting shaft 18 are both rotatably arranged on the mounting cover 27; the guide wheel 10 is rotatably arranged at the top of the support frame, the fixed rod 37 is vertically arranged on the support frame, a pushing mechanism for driving the lying frame to translate is arranged on the support frame, and the central controller 45 is in control connection with the pushing mechanism.
The barbell assembly can be prevented from hitting the user when the user is not strong, personal injury to the user is prevented, and safety is high. In use, a user lies on the lying frame, and grasps the barbell assembly with both hands to perform bench press exercise, and the barbell assembly moves in a vertical direction. When a user pulls down the barbell component, the connecting sleeve 8 moves downwards, the connecting sleeve 8 drives the connecting rope 9 to move around the guide wheel 10, the connecting rope 9 drives the rope winding wheel 12 to rotate, the rope winding wheel 12 releases the connecting rope 9, the rope winding wheel 12 drives the first mounting shaft 15 to rotate, the first mounting shaft 15 drives the coil spring 14 to move, and the coil spring 14 deforms and stores elastic potential energy; when a user pushes up the barbell component, the connecting sleeve 8 moves upwards, the coil spring 14 releases elastic potential energy and drives the first mounting shaft 15 to rotate reversely, the connecting rope 9 is wound on the rope winding wheel 12, the connecting rope 9 is always in a tensioning state, the scattering condition cannot occur, and the normal exercise process of the user cannot be influenced. When the user carries out normal bench press and takes exercise, first installation axle 15 drives driving gear 16 and rotates, and driving gear 16 drives driven gear 17 and rotates, and driven gear 17 drives rolling disc 19 through second installation axle 18 and rotates, and axis of rotation 21 can rotate on rolling disc 19 to drive limiting plate 22 and rotate, the rotational speed of rolling disc 19 can not reach the degree that makes limiting plate 22 outer end go out under the centrifugal force effect and accomodate groove 191. When a user feels that physical strength is insufficient, the barbell assembly is directly loosened, the barbell assembly falls freely, the barbell assembly drives the rotating disc 19 to rotate through the connecting sleeve 8, the connecting rope 9, the guide wheel 10, the rope winding wheel 12, the first mounting shaft 15, the driving gear 16, the driven gear 17 and the second mounting shaft 18, the first mounting shaft 15 drives the coil spring 14 to move, the coil spring 14 deforms and stores elastic potential energy, the rotating speed of the rotating disc 19 reaches a degree that the outer end of the limiting plate 22 can rotate out of the accommodating groove 191 under the action of centrifugal force, at the moment, the outer end of the limiting plate 22 can press down on the top of the limiting table 24, the limiting plate 22 cannot rotate continuously, the rotating disc 19 cannot rotate continuously, the second mounting shaft 18, the driven gear 17, the driving gear 16, the first mounting shaft 15, the rope winding wheel 12, the guide wheel 10, the connecting rope 9 and the connecting sleeve 8 cannot move, and the barbell assembly cannot move downwards continuously, the user can not be hit, so that the safety in emergency is improved. At this time, the pressure of the limiting plate 22 is transmitted to the pressure sensor 26 by the limiting table 24, the pressure sensor 26 detects the increase of the pressure and sends a signal to the central controller 45, the central controller 45 controls the pushing mechanism to drive the lying frame to move, the lying frame drives the user to move, and the user is removed from the lower part of the barbell assembly, so that the safety of the device is further improved. When the user recovers physical strength to continue exercising or other people do exercising at the place, the barbell assembly is pushed up, the coil spring 14 releases elastic potential energy, the rotating disc 19 rotates, the limiting plate 22 is moved away from the top of the limiting table 24, and the second elastic piece 32 pulls the limiting plate 22 into the accommodating groove 191, so that the device can be used for exercising continuously and is very convenient.
In an optional embodiment, a mounting column 35 and a guide rail 39 are vertically arranged on the support frame, a plurality of hooks 34 are arranged on the mounting column 35 side by side along the vertical direction, the hooks 34 are J-shaped, the barbell component comprises a barbell bar 7, a sliding frame 36, a counterweight component and an elastic positioning component, the barbell bar 7 is rotatably connected with the connecting sleeve 8, the barbell bar 7 penetrates through the sliding frame 36 along the horizontal direction and is rotatably connected with the sliding frame 36, so that the sliding frame 36 is driven to move up and down on the premise that the barbell bar 7 can rotate, a user can perform bench press exercise more balance, the condition that the barbell bar 7 is inclined cannot occur, and the sliding frame 36 is arranged on the fixing rod 37 in a sliding manner along the vertical direction; two groups of counterweight components are symmetrically arranged on the barbell bar 7, each counterweight component comprises a connecting column 38, a baffle ring 40 and a barbell disc 41, the connecting column 38 is rotatably connected with the end part of the barbell bar 7, the connecting column 38 is arranged on a guide rail 39 in a sliding manner along the vertical direction, the baffle ring 40 is arranged on the connecting column 38, and the barbell discs 41 are placed on the connecting column 38; elastic positioning assembly is provided with two sets ofly about barbell bar 7 symmetry, elastic positioning assembly includes mounting sleeve 28, location platform 29, slide bar 30, roof 31, second elastic component 32 and peg 33 that can hang on couple 34, mounting sleeve 28 sets up on barbell bar 7, be provided with the constant head tank 281 that is used for the card to go into location platform 29 on the mounting sleeve 28, constant head tank 281 is provided with two perpendicularly around barbell bar 7 center pin, location platform 29, slide bar 30 and roof 31 connect gradually from bottom to top, slide bar 30 runs through carriage 36 and with carriage 36 sliding connection, second elastic component 32 both ends are connected with location platform 29 and carriage 36 respectively, peg 33 sets up on mounting sleeve 28.
It should be noted that, in the initial state, the hanging rod 33 is hung on the hook 34, the user lies on the lying frame, grasps the barbell bar 7, rotates 90 ° backward, the barbell bar 7 drives the mounting sleeve 28 to rotate, the mounting sleeve 28 drives the hanging rod 33 to rotate, the hanging rod 33 is moved away from the hook 34, during the rotation of the mounting sleeve 28, the positioning table 29 is moved away from one positioning groove 281 and is clamped into the other positioning groove 281, the slide bar 30 slides up and down to guide the movement process of the positioning table 29, the top plate 31 can prevent the slide bar 30 from falling off, the second elastic member 32 can ensure that the positioning table 29 is pressed against the positioning groove 281, so that the barbell bar 7 is adjusted to be capable of moving up and down, the user adjusts the angle of grasping the barbell bar 7 by hand, and then performs a bench press exercise. The exercise intensity is improved by adding a plurality of barbell plates 41, and the baffle ring 40 is used for limiting the placement positions of the barbell plates 41, so that the balance of the barbell plates 41 placed on the two connecting columns 38 is ensured.
In an optional embodiment, the lying frame comprises a supporting plate 1, two fixing columns, two pedals 2 and a sliding table 6, wherein the supporting plate 1 and the pedals 2 are both horizontally arranged, the two fixing columns and the two pedals 2 are symmetrically arranged on the supporting plate 1, two ends of each fixing column are respectively connected with the supporting plate 1 and the pedals 2, and the sliding table 6 is arranged at the bottom of the supporting plate 1.
It should be noted that, the user can lie on the supporting board 1 and put his feet on the pedals 2, and when the pushing mechanism pushes the lying frame to move, the user can move synchronously with the lying frame.
In an alternative embodiment, the supporting frame comprises a top frame 11, a support 272, a supporting column 42 and a bottom frame 43, the support 272 is arranged on the bottom frame 43, the support 272 is connected with the mounting cover 27, a rope threading channel 271 for passing through the connecting rope 9 is arranged on the mounting cover 27, the guide wheel 10 is rotatably arranged on the top frame 11, the supporting column 42 is vertically arranged, the top end of the mounting column 35, the top end of the fixing rod 37, the top end of the guide rail 39 and the top end of the supporting column 42 are all connected with the top frame 11, and the bottom end of the mounting column 35, the bottom end of the fixing rod 37, the bottom end of the guide rail 39 and the bottom end of the supporting column 42 are all connected with the bottom frame 43; braced frame has effectively guaranteed the firm nature of self structure, can bear the weight-bell subassembly, guarantees that the user can be safe carry out the bench press and take exercise.
The two sides of the rotating disc 19 are both connected with connecting plates 20, and the rotating shaft 21 is rotatably connected with the connecting plates 20; the stopper table 24 is provided with a stopper surface 241 for receiving the stopper plate 22.
The connecting plate 20 can prevent the rotating shaft 21 from falling off; the blocking surface 241 can be used for bearing the downward pressing of the limiting plate 22, so that the contact area between the limiting plate 22 and the blocking surface 241 is increased, the stability during pressure bearing is improved, and the limiting plate 22 and the limiting table 24 are not easy to wear.
In an alternative embodiment, the supporting frame further comprises two placing tables 44, the two placing tables 44 are symmetrically arranged about the supporting frame, the placing tables 44 are horizontally arranged on the supporting columns 42, a placing groove 441 is arranged on the placing tables 44, the placing groove 441 is opened towards the horizontal direction, the placing groove 441 is in a step shape along the horizontal direction, and the placing groove 441 comprises an upper arc-shaped surface.
It should be noted that barbell plates 41 of different specifications can be placed in the placement groove 441, so that the application range of the placement groove 441 for bearing the barbell plates 41 is expanded, and the arc-shaped surface can be better contacted with the barbell plates 41, thereby lifting the barbell plates 41 more stably.
In an alternative embodiment, the positioning slot 281 is a minor arc-shaped slot, and the positioning table 29 comprises a connecting plate portion and a table portion integrally connected from top to bottom, and the table portion comprises a minor arc-shaped surface engaged with the positioning slot 281.
It should be noted that, when the user rotates the barbell bar 7, the barbell bar 7 drives the mounting sleeve 28 to rotate, the mounting sleeve 28 can push the positioning table 29 to move upwards through the inferior arc-shaped groove and the inferior arc-shaped surface, so that the clamping table portion is moved out of one positioning groove 281, and then the clamping table portion is clamped into the other positioning groove 281 under the elastic force of the second elastic member 32, thereby ensuring the convenience of switching the orientation of the barbell bar 7 and the using state of the device.
In an alternative embodiment, the first elastic element 23 is an extension spring, the limiting plate 22 can pull the extension spring under the action of centrifugal force, the extension spring can store elastic potential energy, the limiting plate 22 is pulled and stored in the storage groove 191, the second elastic element 32 is a compression spring, and the second elastic element 32 is sleeved on the outer periphery of the sliding rod 30, does not fall off, and can be stably used for a long time.
In an alternative embodiment, the pushing mechanism comprises a motor 3, a screw rod 4, a screw nut and a guide rod 5, the motor 3 is arranged on the bottom frame 43, the motor 3 is in driving connection with the screw rod 4, the screw rod 4 is rotatably arranged on the bottom frame 43, the screw rod 4 is in threaded connection with the screw nut, the screw nut is connected with a sliding table 6, the sliding table 6 is slidably arranged on the guide rod 5, the guide rod 5 is arranged side by side with the screw rod 4, and the guide rod 5 is arranged on the bottom frame 43.
It should be noted that the motor 3 can drive the screw rod 4 to rotate, the screw rod 4 drives the screw nut to move, the screw nut drives the sliding table 6 to move, so that the whole lying frame can move, and the guide rod 5 is used for guiding the moving direction.
In an optional embodiment, the device further comprises a power supply and a touch display panel 46, the power supply is electrically connected to the motor 3, the pressure sensor 26, the central controller 45 and the touch display panel 46, respectively, the central controller 45 is electrically connected to the motor 3 and the touch display panel 46, respectively, and the touch display panel 46 is connected to the motor 3 for control.
It should be noted that the touch display panel 46 is used for displaying whether the power supply supplies power to each power supply component normally, and besides the situation that the central controller 45 automatically controls the pushing mechanism to move the user outwards when the user is not full of physical strength, the user can manually control the pushing mechanism through the touch display panel 46 before the user exercises to adjust the bed frame to a comfortable exercise position.
The using method of the lying-pushing protection device for fitness comprises the following steps:
s1, the user lies on the lying frame;
s2, the user grips the barbell assembly and pushes the barbell assembly up and down to do bench press exercise;
when the physical strength of a user is not enough to lift the barbell assembly, the barbell assembly is loosened by two hands, the barbell assembly drives the connecting rope 9 to move around the guide wheel 10 through the connecting sleeve 8, the connecting rope 9 drives the rope winding wheel 12 to rotate, the rope winding wheel 12 drives the first mounting shaft 15, the coil spring 14 and the driving gear 16 to move, elastic potential energy is stored in the coil spring 14, the driving gear 16 drives the driven gear 17 to rotate, the driven gear 17 drives the rotating disc 19 to rotate through the second mounting shaft 18, the rotating shaft 21 and the limiting plate 22 rotate along with the rotating disc 19, under the action of centrifugal force, the rotating speed of the rotating disc 19 reaches the degree that the outer end of the limiting plate 22 can be rotated out from the accommodating groove 191, the first elastic part 23 is stretched, the limiting plate 22 is clamped at the top of the limiting table 24, the rotating disc 19 does not continue to rotate, the barbell assembly does not continue to fall down and cannot hit the user, and the limiting table 24 is subjected to the pressure of the limiting plate 22, the pressure is transmitted to the pressure sensor 26, the pressure sensor 26 sends a signal to the central controller 45, and the central controller 45 controls the pushing mechanism to push the lying frame away from the lower part of the barbell component, so that the protection to the user is further improved, and the user is prevented from being injured;
when the user normally takes exercise, connect rope 9 and remain the tensioning state throughout, the carousel 19 rotational speed reaches the degree that makes limiting plate 22 outer end follow and accomodate groove 191 and remove, and limiting plate 22 can not push down on spacing platform 24, and the user can carry out normal bench press and take exercise.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A body-building bench press protection device is characterized by comprising a lying frame, a barbell component, a connecting sleeve (8), a connecting rope (9), a guide wheel (10), a rope winding wheel (12), a connecting ring (13), a coil spring (14), a first mounting shaft (15), a driving gear (16), a driven gear (17), a second mounting shaft (18), a rotating disc (19), a limiting table (24), a sliding sleeve (25), a pressure sensor (26), a mounting cover (27), a fixing rod (37), a supporting frame and a central controller (45);
the barbell component is arranged on a fixed rod (37) in a sliding mode in the vertical direction, a connecting sleeve (8) is connected with the barbell component in a rotating mode, a connecting rope (9) bypasses a guide wheel (10), two ends of the connecting rope are respectively connected with the connecting sleeve (8) and a rope winding wheel (12), the rope winding wheel (12) and a driving gear (16) are coaxially arranged on a first installation shaft (15), a connecting ring (13) is arranged on an installation cover (27), a coil spring (14) is sleeved between the connecting ring (13) and the first installation shaft (15), two ends of the coil spring (14) are respectively connected with the connecting ring (13) and the first installation shaft (15), a driven gear (17) is connected with the driving gear (16) in a meshing mode, the driven gear (17) and a rotating disc (19) are coaxially arranged on a second installation shaft (18), a plurality of accommodating grooves (191) are uniformly arranged on the rotating disc (19) in an annular mode, and a limiting component is arranged at the accommodating groove (191), the limiting assembly comprises a rotating shaft (21), a limiting plate (22) and a first elastic piece (23), the rotating shaft (21) is rotatably connected with a rotating disc (19), the limiting plate (22) is connected with the rotating shaft (21), two ends of the first elastic piece (23) are respectively connected with the inner wall of the accommodating groove (191) and the limiting plate (22), a limiting table (24) is arranged on a sliding sleeve (25) in a sliding mode, the sliding sleeve (25) and a pressure sensor (26) are arranged on an installation cover (27), the pressure sensor (26) is located at the bottom of the limiting table (24), the pressure sensor (26) is in communication connection with a central controller (45), and a first installation shaft (15) and a second installation shaft (18) are arranged on the installation cover (27) in a rotating mode; the guide wheel (10) is rotatably arranged at the top of the supporting frame, the fixing rod (37) is vertically arranged on the supporting frame, a pushing mechanism for driving the lying frame to translate is arranged on the supporting frame, and the central controller (45) is in control connection with the pushing mechanism.
2. The bench press protection device for fitness according to claim 1, wherein the support frame is vertically provided with a mounting column (35) and a guide rail (39), the mounting column (35) is provided with a plurality of hooks (34) side by side along the vertical direction, the barbell assembly comprises a barbell bar (7), a sliding frame (36), a counterweight assembly and an elastic positioning assembly, the barbell bar (7) is rotatably connected with the connecting sleeve (8), the barbell bar (7) penetrates through the sliding frame (36) along the horizontal direction and is rotatably connected with the sliding frame (36), and the sliding frame (36) is slidably arranged on the fixing rod (37) along the vertical direction; the weight components are symmetrically arranged in two groups about the barbell rod (7), each weight component comprises a connecting column (38), a baffle ring (40) and a barbell disc (41), the connecting columns (38) are rotatably connected with the end parts of the barbell rod (7), the connecting columns (38) are arranged on the guide rail (39) in a sliding mode along the vertical direction, the baffle rings (40) are arranged on the connecting columns (38), and the barbell discs (41) are placed on the connecting columns (38); elastic positioning assembly is provided with two sets of about barbell pole (7) symmetry, elastic positioning assembly includes mounting sleeve (28), location platform (29), slide bar (30), roof (31), second elastic component (32) and peg (33) that can hang on couple (34), mounting sleeve (28) set up on barbell pole (7), be provided with constant head tank (281) that are used for the card to go into location platform (29) on mounting sleeve (28), constant head tank (281) are provided with two perpendicularly around barbell pole (7) center pin, location platform (29), slide bar (30) and roof (31) connect gradually from bottom to top, slide bar (30) run through carriage (36) and with carriage (36) sliding connection, second elastic component (32) both ends are connected with location platform (29) and carriage (36) respectively, peg (33) set up on mounting sleeve (28).
3. The bench press protection device for fitness according to claim 2, wherein the lying frame comprises a supporting plate (1), two fixing columns, two pedals (2) and two sliding tables (6), the supporting plate (1) and the pedals (2) are horizontally arranged, the two fixing columns and the two pedals (2) are symmetrically arranged relative to the supporting plate (1), two ends of each fixing column are respectively connected with the supporting plate (1) and the pedals (2), and the sliding tables (6) are arranged at the bottom of the supporting plate (1).
4. The bench press protection device for fitness according to claim 3, wherein the support frame comprises a top frame (11), a support (272), a support column (42) and a bottom frame (43), the support (272) is arranged on the bottom frame (43), the support (272) is connected with the mounting cover (27), a rope threading channel (271) for passing a connecting rope (9) is arranged on the mounting cover (27), the guide wheel (10) is rotatably arranged on the top frame (11), the support column (42) is vertically arranged, the top ends of the mounting column (35), the fixed rod (37), the guide rail (39) and the support column (42) are connected with the top frame (11), and the bottom ends of the mounting column (35), the fixed rod (37), the guide rail (39) and the support column (42) are connected with the bottom frame (43);
two sides of the rotating disc (19) are both connected with connecting plates (20), and the rotating shaft (21) is rotationally connected with the connecting plates (20); the limiting table (24) is provided with a blocking surface (241) for bearing the limiting plate (22).
5. The bench press protection device for fitness according to claim 4, further comprising two placement tables (44), wherein the two placement tables (44) are symmetrically arranged about the supporting frame, the placement tables (44) are horizontally arranged on the supporting columns (42), a placement groove (441) is arranged on the placement tables (44), the opening of the placement groove (441) faces the horizontal direction, the placement groove (441) is stepped along the horizontal direction, and the placement groove (441) comprises an upper arc-shaped surface.
6. A bench press protection device for fitness according to claim 4, characterized in that the positioning slot (281) is a minor arc-shaped slot, the positioning table (29) comprises a connecting plate part and a table clamping part which are integrally connected from top to bottom, and the table clamping part comprises a minor arc-shaped surface matched with the positioning slot (281).
7. A bench press protection device for fitness according to claim 4, wherein the first elastic member (23) is an extension spring, the second elastic member (32) is a compression spring, and the second elastic member (32) is sleeved on the outer periphery of the sliding rod (30).
8. The bench press protection device for fitness according to claim 4, wherein the pushing mechanism comprises a motor (3), a lead screw (4), a lead screw nut and a guide rod (5), the motor (3) is arranged on the bottom frame (43), the motor (3) is in driving connection with the lead screw (4), the lead screw (4) is rotatably arranged on the bottom frame (43), the lead screw (4) is in threaded connection with the lead screw nut, the lead screw nut is connected with a sliding table (6), the sliding table (6) is slidably arranged on the guide rod (5), the guide rod (5) and the lead screw (4) are arranged side by side, and the guide rod (5) is arranged on the bottom frame (43).
9. The bench press protection device for fitness according to claim 8, further comprising a power supply and a touch display panel (46), wherein the power supply is electrically connected with the motor (3), the pressure sensor (26), the central controller (45) and the touch display panel (46) respectively, the central controller (45) is electrically connected with the motor (3) and the touch display panel (46) respectively, and the touch display panel (46) is in control connection with the motor (3).
10. A bench press protection device for fitness according to claim 1, wherein the use method comprises the following steps:
s1, the user lies on the lying frame;
s2, the user grips the barbell assembly and pushes the barbell assembly up and down to do bench press exercise;
when the physical strength of a user is not enough to lift the barbell component, the barbell component is loosened by two hands, the barbell component drives the connecting rope (9) to move around the guide wheel (10) through the connecting sleeve (8), the connecting rope (9) drives the rope winding wheel (12) to rotate, the rope winding wheel (12) drives the first mounting shaft (15), the coil spring (14) and the driving gear (16) to move, elastic potential energy is stored in the coil spring (14), the driving gear (16) drives the driven gear (17) to rotate, the driven gear (17) drives the rotating disc (19) to rotate through the second mounting shaft (18), the rotating shaft (21) and the limiting plate (22) rotate along with the rotating disc (19), under the action of centrifugal force, the rotating speed of the rotating disc (19) reaches the degree that the outer end of the limiting plate (22) can rotate out of the accommodating groove (191), the first elastic piece (23) is stretched, the limiting plate (22) is clamped at the top of the limiting table (24), the rotating disc (19) does not rotate continuously any more, the barbell assembly does not fall continuously any more, the limiting table (24) is pressed by the limiting plate (22) and transmits the pressure to the pressure sensor (26), the pressure sensor (26) sends a signal to the central controller (45), and the central controller (45) controls the pushing mechanism to push the lying frame away from the position below the barbell assembly;
when a user exercises normally, the connecting rope (9) is always kept in a tensioning state, and the rotating speed of the rotating disc (19) cannot reach the degree that the outer end of the limiting plate (22) is moved out of the accommodating groove (191).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938589.XA CN113457069B (en) | 2021-08-16 | 2021-08-16 | Body-building is with bench press protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938589.XA CN113457069B (en) | 2021-08-16 | 2021-08-16 | Body-building is with bench press protection device |
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| CN113457069A true CN113457069A (en) | 2021-10-01 |
| CN113457069B CN113457069B (en) | 2022-05-20 |
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| CN114653005A (en) * | 2022-03-28 | 2022-06-24 | 浙江力玄运动科技股份有限公司 | Lying-pushing body-building device |
| CN114849143A (en) * | 2022-06-09 | 2022-08-05 | 云志强 | Fitness equipment with emergency braking personnel safety protection function |
| CN115054863A (en) * | 2022-06-10 | 2022-09-16 | 日照职业技术学院 | Muscle training chair for physical training |
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| US20140084117A1 (en) * | 2012-08-20 | 2014-03-27 | Michael Klonoski | Retractable Dumbbell Support |
| US20140364281A1 (en) * | 2013-06-06 | 2014-12-11 | Michael Moschel | Exercise equipment and methods of using the same |
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| CN115054863B (en) * | 2022-06-10 | 2024-05-28 | 日照职业技术学院 | Muscle training chair for physical training |
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| CN113457069B (en) | 2022-05-20 |
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