CN110665190A - Cylinder body type wrestling training equipment - Google Patents
Cylinder body type wrestling training equipment Download PDFInfo
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- CN110665190A CN110665190A CN201911064695.9A CN201911064695A CN110665190A CN 110665190 A CN110665190 A CN 110665190A CN 201911064695 A CN201911064695 A CN 201911064695A CN 110665190 A CN110665190 A CN 110665190A
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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
- A63B23/14—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 for wrist joints
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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
- A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
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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
- A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
- A63B21/0085—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters using pneumatic force-resisters
- A63B21/0087—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters using pneumatic force-resisters of the piston-cylinder type
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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
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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
The invention provides a cylinder type wrestling training device which comprises a fixed base and an upright post, wherein the fixed base is provided with a plurality of fixing holes; the upright post is a hollow rectangular cavity; the middle part of the upright post is provided with a gear box, the gear box is internally provided with big and small bevel gears which are meshed with each other, and the tail end of a transmission shaft of the big bevel gear is fixedly provided with a holding rod; a screw rod is screwed in a screw hole in the center of the small bevel gear; the two ends of the screw rod penetrate through the box body of the gear box and are connected with a cylinder body; the cylinder body is a cylinder or a hydraulic cylinder; a supporting plate for placing an elbow is arranged right below the transmission shaft of the large bevel gear. The wrist strength training device controls the displacement and the oil quantity by manually adjusting the exhaust valve or the hydraulic valve of the cylinder through the damping action generated by compressing air in the cylinder or hydraulic oil in the hydraulic cylinder instead of the elastic action of various elastic objects, and selects proper force to start wrist strength training.
Description
Technical Field
The invention relates to a cylinder type wrestling training device, belongs to the technical field of sports fitness equipment, and is used in public places such as campuses, communities, squares or parks.
Background
The wrestling arm is a very popular sport for common people, not only exercises the arm strength and wrist strength of people, but also exercises the spirits of people, promotes emotional communication between people, and is suitable for being installed in gymnasiums, campuses, communities, squares or parks and other public places. At present, various wrestling training devices adopt elastic objects such as springs and rubber as main tension to form original parts, and the quantity of elastic objects needs to be frequently increased or reduced due to different wrist forces of individuals, so that the wrestling training device is not only complicated, but also easy to damage and lose outdoors, short in service life and not suitable for outdoor installation.
Disclosure of Invention
In order to solve the problems, the invention provides a cylinder body type wrenching wrist training device, which replaces the elastic action of various elastic objects by the damping action generated by air in a compression cylinder or hydraulic oil in a hydraulic cylinder, controls the exhaust amount and the oil amount by manually adjusting an exhaust valve or a hydraulic valve of the cylinder, and realizes the change of the thrust of a piston rod under the condition of the same speed by inversely proportional to the exhaust amount or the oil amount of a piston in unit time, thereby being suitable for people with different wrist forces; the cylinder body has simple structure and reliable work, is durable compared with elastic objects such as springs, rubber and the like, is not easy to lose and damage, has longer service life, does not need to increase or reduce the number of elastic objects frequently, and is suitable for being installed in public places such as gymnasiums, campuses, communities, squares or parks; the change of the thrust force is realized by adopting the change of the air pressure or the oil pressure in the cylinder body, and the stability is high relative to other elastic parts, so that the practicability is high; the air pressure and the hydraulic damping are sensitive to speed, the resistance is small when the grip strength is slow, the reverse resistance with the same size is generated when the grip strength is in transient state, and the electric hand-operated grip is closer to an actual combat scene.
The technical scheme adopted by the invention is as follows:
a cylinder body type wrestling training device comprises a fixed base and an upright post, and is characterized in that the upright post is a hollow rectangular cavity; a square through hole penetrates through the left and right of the middle part of the upright post, and a gear box is fixedly arranged in the through hole; a large bevel gear is arranged on the inner surface of the rear side of the gear box, and a small bevel gear meshed with the large bevel gear is arranged on the large bevel gear; the gear ratio of the large bevel gear to the small bevel gear is between 13: 1 and 19: 1; a holding rod is fixedly arranged at the tail end of the rear side wall of the upright post, which penetrates through the transmission shaft of the large bevel gear; a screw rod is screwed in a screw hole in the center of the small bevel gear; the two ends of the lead screw penetrate through the box body of the gear box and are connected with a cylinder body; the lead screw is vertical to a transmission shaft of the large bevel gear, and the axes of the lead screw and the transmission shaft are intersected; the lead screw is a large-lead double-thread lead screw; the lead of the lead screw is between 22 and 32 mm.
Cylinder body mounting seats are fixedly arranged above and below the gear box in the cavity of the upright post at equal intervals, the cylinder bodies are mounted on the mounting seats, a lower cylinder body I and an upper cylinder body II are oppositely arranged between the mounting seats, and the specification and the model of the lower cylinder body I are the same as those of the upper cylinder body II; and piston rods of the lower cylinder body I and the upper cylinder body II are respectively connected with two ends of the screw rod through couplers.
The outer wall of the upright post right below the transmission shaft of the large bevel gear is vertically and fixedly provided with a square sleeve, the sleeve is internally provided with a matched square drawing rod, and the outer end of the drawing rod is horizontally provided with a supporting plate for placing an elbow.
The cylinder body is a reciprocating double-acting cylinder; when the pistons in the same cylinder body do reciprocating motion, air is compressed, thrust and tension are required to be applied to the piston rods, when the lead screw moves downwards, the lead screw generates thrust on the piston of the lower cylinder body I and tension on the piston of the upper cylinder body II, so that multiplied resistance increase is realized, the specification setting of the cylinder is reduced, and miniaturization is realized; the same applies when the lead screw moves upwards.
The tail ends and the front ends of the lower cylinder body I and the upper cylinder body II are respectively provided with an exhaust pipe which penetrates through the thick arm outwards, the outer end of the exhaust pipe penetrates through a through hole in the side wall of the upright post and then is provided with an exhaust valve with the size of an exhaust port, and the inner end of the exhaust pipe is provided with an automatic bidirectional pressure regulating valve; the exhaust pipe is also an air suction pipe; when the pistons in the lower cylinder body I and the upper cylinder body II move downwards, the exhaust pipe at the tail end of the lower cylinder body I and the exhaust pipe at the front end of the upper cylinder body II start to exhaust, the exhaust pipe at the front end of the lower cylinder body I and the exhaust pipe at the tail end of the upper cylinder body II start to suck air, and the pistons move upwards in an opposite way; the automatic bidirectional pressure regulating valve comprises an air inlet, an air outlet, a valve, a compression spring and a sealing cover; the air inlet and the air outlet of the automatic bidirectional pressure regulating valve are hermetically communicated with the exhaust pipe; the valve is arranged between the air inlet and the air outlet; the valve and the compression spring are arranged in a cavity closed by the automatic bidirectional pressure regulating valve in a matching way; the upper end of the compression spring is fixedly connected with the sealing cover, and the lower end of the compression spring is fixedly connected with the valve; the valve is in a closed state under the action of a compression spring under the normal condition; when the pressure difference between the upper side and the lower side of the valve reaches a set value, the valve is automatically opened upwards, and the opening space of the valve is larger and larger along with the increase of the pressure difference; the exhaust valve has the function of secondary throttling, and secondary throttling is carried out by manually adjusting the size of an exhaust hole of the exhaust valve, so that the stress in the operation of the piston of the air cylinder is adjusted, and different people can select the wrist wrenching strength suitable for themselves; the valve is in an inverted T shape; the compression spring has certain pretightening force after being installed and fixed.
The holding rod is a V-shaped holding rod; the V-shaped holding rod comprises a right holding rod and a left holding rod which are vertical to each other; the right holding rod is positioned at the left side of the human body and is specially used for holding by the right hand, and the left holding rod is positioned at the right side of the human body and is specially used for holding by the left hand; when the piston I in the lower cylinder body I runs to the bottom of the cylinder, the piston II in the upper cylinder body II runs to the position of the cylinder cover and does not touch the cylinder cover, in the process, the right holding rod rotates anticlockwise for 90 degrees and stops in a horizontal state, and at the moment, the left holding rod vertically faces upwards; when the piston II in the upper cylinder body II runs to the cylinder bottom, the piston I in the lower cylinder body I runs to the cylinder cover and does not touch the cylinder cover, in the process, the left holding rod rotates clockwise by 90 degrees and stops in a horizontal state, and at the moment, the right holding rod vertically faces upwards.
The inner diameter of the cylinder barrel of the cylinder is between 150mm and 300 mm; the stroke of the piston is between 80 and 150 mm.
The cylinder body is a reciprocating double-acting hydraulic cylinder; when the pistons in the same cylinder body do reciprocating motion, hydraulic oil is compressed, and thrust and pull force are required to be applied to the piston rods; a hydraulic oil tank is fixedly arranged in a cavity of an upright column on the mounting seat of the cylinder body I; the top ends and the bottom ends of the lower cylinder body I and the upper cylinder body II are respectively connected with a communicated oil return pipeline I through the thick arm of the cylinder barrel; two sides of the bottom end of the hydraulic oil tank are provided with oil return pipelines II which are respectively communicated with the middle parts of the oil return pipelines I; the upper ends of the oil return pipelines are respectively provided with a hydraulic valve; the valve handle of the hydraulic valve is arranged on the outer side of the upright post, and the hydraulic valve is used for adjusting the oil suction and discharge amount; and the top end of the hydraulic oil tank is provided with an exhaust hole.
The inner diameter of the cylinder barrel of the hydraulic cylinder is 50-100 mm; the stroke of the piston is between 80 and 150 mm.
And anti-collision buffer rubber pads are arranged at the bottoms of the lower cylinder body I and the upper cylinder body II.
The right holding rod and the left holding rod are provided with anti-skid rubber sleeves; the right holding rod and the left holding rod incline towards the human body and form an included angle of 60-80 degrees with the horizontal plane.
The invention has the beneficial effects that:
firstly, the invention replaces the elastic action of various elastic objects by the damping action generated by air in the compression cylinder or hydraulic oil in the hydraulic cylinder, controls the displacement and the oil mass by manually adjusting the exhaust valve or the hydraulic valve of the cylinder, and realizes the thrust change of the piston rod under the condition of the same speed by the inverse proportion of the exhaust amount or the oil amount of the piston in unit time to the thrust, thereby being suitable for people with different wrist forces.
Secondly, the cylinder body has simple structure and reliable work, is durable compared with elastic objects such as springs, rubber and the like, is not easy to lose and damage, has longer service life, does not need to frequently increase or reduce the number of elastic objects, and is suitable for being installed in public places such as gymnasiums, campuses, communities, squares or parks; the change that adopts atmospheric pressure or oil pressure in the cylinder body to realize thrust is high for other elastic component stability, and the practicality is strong, has improved the training effect.
Thirdly, the pneumatic and hydraulic damping modes adopted by the invention are sensitive to speed, the resistance is small when the grip is slow, and the reverse resistance with the same magnitude is generated when the grip is transient, so that the electric hand-held.
Fourthly, the holding rod is a V-shaped holding rod, and the V-shaped holding rod comprises a right holding rod and a left holding rod which are perpendicular to each other; the left holding rod is suitable for being used by the left hand and the right hand alternately, and the left holding rod is vertically upward when the right holding rod rotates anticlockwise by 90 degrees and stops in a horizontal state; the left holding rod rotates clockwise by 90 degrees and stops in a horizontal state, and the right holding rod is vertically upward; the distance between the supporting plate and the holding rod is adjusted by adjusting the length of the drawing rod, so that the telescopic arm is suitable for people with different arm lengths to use, and is very convenient to use.
The automatic bidirectional pressure regulating valve is arranged, and the valve can be automatically opened when the air pressure in the cylinder body reaches a preset constant value, so that the arrangement is to ensure that the air in the front of the piston is not discharged out of the cylinder body when the piston just starts to compress the air in the cylinder body, and the resistance of the increase of the air pressure is rapidly increased; the space behind the piston is increased without sucking air from the outside of the cylinder, and the air pressure is reduced to rapidly increase the attraction force of the piston, so that the piston can rapidly generate enough resistance in the initial stage to meet the requirement of grip strength.
Drawings
FIG. 1 is a front view of a first embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of the right grip of FIG. 1 in a horizontal left position and in an operational position relative to the piston;
FIG. 4 is a schematic diagram of the automatic bi-directional pressure regulating valve of FIG. 1;
FIG. 5 is a front view of a second embodiment of the present invention;
fig. 6 is a hydraulic oil circuit diagram in fig. 5.
Wherein: a base 1; a column 2; a gear case 3; a large bevel gear 4; a small bevel gear 5; a holding rod 6; a right grip 601; a left grip 602; a lead screw 7; a cylinder body 8; a first lower cylinder 801; the upper cylinder body II 802; a first piston 803; a second piston 804; a mounting seat 9; a square sleeve 10; a pull rod 11; a pallet 12; a cylinder 13; an exhaust pipe 14; an exhaust valve 15; an automatic bi-directional pressure regulating valve 1501; an air inlet 1502; an exhaust port 1503; a valve 1504; a compression spring 1505; a cover 1506; a reciprocating double-acting hydraulic cylinder 16; a hydraulic oil tank 17; an oil return pipeline I18; an oil return pipeline II 19; a hydraulic valve 20; a rubber pad 21; a rubber sleeve 22.
Detailed Description
The present invention is described in further detail below with reference to figures 1, 2, 3, 4, 5 and 6.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships that are, for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated with respect to the human body based on the orientations or positional relationships shown in the drawings, and thus, are not to be construed as limiting the present invention.
Example one
A cylinder body type wrestling training device comprises a fixed base 1 and an upright post 2, wherein the upright post 2 is a hollow rectangular cavity; a square through hole penetrates through the left and right of the middle part of the upright post 2, and a gear box 3 is fixedly arranged in the through hole; a large bevel gear 4 is arranged on the inner surface of the rear side of the gear box 3, and a small bevel gear 5 meshed with the large bevel gear 4 is arranged on the large bevel gear; the gear ratio of the large bevel gear 4 to the small bevel gear 5 is 17: 1, and the large bevel gear 4 has 187 teeth even if the small bevel gear 5 has 11 teeth; the large bevel gear 4 rotates for 1 circle, and the small bevel gear 5 rotates for 17 circles; a holding rod 6 is fixedly arranged at the tail end of the rear side wall of the upright post 2, which penetrates through the transmission shaft of the large bevel gear 4; a screw rod 7 is screwed in a screw hole in the center of the small bevel gear 5; the screw 7 penetrates through the box body of the gear box 3, and the two ends of the rear part of the box body are connected with a cylinder body 8; the lead screw 7 is vertical to the transmission shaft of the large bevel gear 4, and the axis of the lead screw intersects with the axis of the transmission shaft; the lead screw 7 is a large-lead double-thread lead screw; the lead of the lead screw 7 is 25mm, namely, the miniature bevel gear 5 rotates on the lead screw 7 for 25mm on a circle of axial line.
Cylinder body mounting seats 9 are fixedly arranged above and below the gear box 3 in the cavity of the upright post 2 at equal intervals, the cylinder body 8 is mounted on the mounting seats 9, a first lower cylinder body 801 and a second upper cylinder body 802 are oppositely arranged between the mounting seats 9, and the first lower cylinder body 801 and the second upper cylinder body 802 have the same specification and model; and piston rods of the lower cylinder body I801 and the upper cylinder body II 802 are respectively connected with two ends of the screw rod 7 through couplings.
The outer wall of the upright post 2 right below the transmission shaft of the large bevel gear 4 is vertically and fixedly provided with a square sleeve 10, the sleeve 10 is internally provided with a square pull rod 11 matched with the square pull rod, the outer end of the pull rod 11 is horizontally provided with a supporting plate 12 for placing an elbow, the distance between the supporting plate 12 and the holding rod 6 is adjusted by adjusting the length of the pull rod 11, and the umbrella holding rod is suitable for people with different arm lengths.
The cylinder body 8 is a reciprocating double-acting cylinder 13; when the pistons in the same cylinder body do reciprocating motion, air is compressed, thrust and tension are required to be applied to the piston rods, when the lead screw 7 moves downwards, the lead screw generates thrust on the piston of the lower cylinder body I801, and the thrust generates tension on the piston of the upper cylinder body II 802, so that multiplied resistance increase is realized, the specification setting of the air cylinder 13 is reduced, and miniaturization is realized; the same applies when the screw 7 moves upwards. The cylinder barrel arms at the tail ends and the front ends of the lower cylinder body I801 and the upper cylinder body II 802 are respectively and outwards provided with an exhaust pipe 14 penetrating through the thick arms, and the outer end of the exhaust pipe 14 penetrates through a through hole in the side wall of the upright post 2 and is provided with an exhaust valve 15 capable of adjusting the size of an exhaust port; the inner end is provided with an automatic bidirectional pressure regulating valve 1501; the exhaust pipe 14 is also an air suction pipe; when the pistons in the first lower cylinder 801 and the second upper cylinder 802 move downwards, the exhaust pipe 14 at the tail end of the first lower cylinder 801 and the exhaust pipe 14 at the front end of the second upper cylinder begin to exhaust, the exhaust pipe 14 at the front end of the first lower cylinder 801 and the exhaust pipe 14 at the tail end of the second upper cylinder 802 begin to suck air, and the pistons move upwards in the opposite direction; the automatic bidirectional pressure regulating valve 1501 comprises an air inlet 1502, an air outlet 1503, a valve 1504, a compression spring 1505 and a sealing cover 1506; the air inlet 1502 and the air outlet 1503 of the automatic bidirectional pressure regulating valve 1501 are in sealed communication with the exhaust pipe 14; the valve 1504 is arranged between the air inlet 1502 and the air outlet 1503; the valve 1504 and the compression spring 1505 are arranged in a cavity closed by the automatic bidirectional pressure regulating valve 1501 in a matching way; the valve 1504 is normally closed by a compression spring 1505; the upper end of the compression spring 1505 is fixedly connected with the sealing cover 1506, and the lower end is fixedly connected with the valve 1504; the arrangement is to ensure that when the piston just starts to compress the air in the cylinder, the air in the front of the piston is not discharged out of the cylinder, and the air pressure increase resistance is rapidly increased; the space at the rear part of the piston is increased without sucking air from the outside of the cylinder body, the air pressure is reduced, the attraction force on the piston is increased rapidly, so that the piston can rapidly generate enough resistance at the initial stage, and the requirement of grip strength is met; when the pressure difference between the upper side and the lower side of the valve 1504 reaches a set value, the valve 1504 is automatically opened upwards, the valves 1504 including the two-way pressure regulating valves on the two sides of the cylinder 8 are all opened, the front part of the piston exhausts air and the rear part sucks air, and the larger the opening space of the valve 1504 is along with the increase of the pressure difference, and the larger the air flow is; the exhaust valve 15 has the function of secondary throttling, and secondary throttling is carried out by manually adjusting the size of an exhaust hole of the exhaust valve 15, so that the stress in the operation of the piston of the air cylinder is adjusted, and different people can select the wrist wrenching strength suitable for themselves; the valve 1504 is in an inverted T shape; the compression spring 1505 has a certain pre-tightening force after being installed and fixed.
The holding rod 6 is a V-shaped holding rod; the V-shaped holding rod comprises a right holding rod 601 and a left holding rod 602 which are vertical to each other; the right holding rod 601 is positioned at the left side of the human body and is specially used for holding by the right hand, and the left holding rod 602 is positioned at the right side of the human body and is specially used for holding by the left hand; when the first piston 803 in the lower cylinder body 801 runs to the bottom of the cylinder, the second piston 804 in the upper cylinder body 802 runs to the position of the cylinder cover and does not touch the cylinder cover, in the process, the right holding rod 601 rotates 90 degrees anticlockwise and stops in a horizontal state, and at the moment, the left holding rod 602 vertically faces upwards; when the second piston 804 in the second upper cylinder 802 runs to the bottom of the cylinder, the first piston 803 in the first lower cylinder 801 runs to the position of the cylinder cover and does not touch the cylinder cover, in the process, the left holding rod 602 rotates clockwise by 90 degrees and stops in a horizontal state, and at the moment, the right holding rod 601 vertically faces upwards; the arrangement is to adapt to the action requirement of the wrenching arm, when the right hand is used for wrenching the wrist, the right arm is turned 90 degrees to the left, and when the left hand is used for wrenching the wrist, the left arm is turned 90 degrees to the right; whether it is flipped right or left, the bull bevel gear 4 rotates a quarter of a revolution and the bevel pinion gear 5 rotates 4.2 revolutions, and the stroke of the piston is 105mm, calculated as the lead of the lead screw 7 is 25mm, i.e. the bevel pinion gear 5 moves 25mm on the axis of rotation of the lead screw 7.
The inner diameter of the cylinder barrel of the air cylinder is 200 mm; the stroke of the first piston 803 and the second piston 804 is 105 mm; the larger the inner diameter of the cylinder barrel is, the larger the pressure generated by the longer the stroke of the piston is; for the first cylinder 801, when the first piston 803 moves from the cylinder opening to the cylinder bottom, air in the front cylinder barrel is gradually compressed, air pressure is increased, and resistance is generated on the piston; the space in the cylinder barrel behind the first piston 803 is increased, the air pressure is reduced, attraction force is generated on the first piston 803, and double acting forces in the same direction act on the first piston 803; the second piston 804 in the second cylinder 802 also generates resistance and attraction force; therefore, when the screw 7 rotates, acting forces are simultaneously generated on the piston of the lower cylinder I801 and the piston of the cylinder II 802, so that the resistance is increased in a multiple manner, the specification setting of the cylinder 13 is reduced, and the miniaturization is realized; the acting force generated by the first piston 803 and the second piston 804 is reacted on the screw rod 7, the screw rod 7 is reacted on the small bevel gear 5, and the small bevel gear 5 is reacted on the holding rod 6 at the tail end of the transmission shaft of the large bevel gear 4; according to the strength of the wrist of the trainer, the air displacement and the air suction volume are adjusted by manually adjusting the exhaust valves 15 on the exhaust pipes 14 at the two ends of the cylinder barrel, and the proper strength is selected to start the training.
And the bottoms of the first lower cylinder body 801 and the second upper cylinder body 802 are respectively provided with an anti-collision buffer rubber pad 21.
The right holding rod 601 and the left holding rod 602 are provided with anti-skid rubber sleeves 22; the right holding rod 601 and the left holding rod 602 incline to the human body direction and form an included angle of 70 degrees with the horizontal plane, so that the right holding rod and the left holding rod are suitable for normal wrestling.
Example two
On the basis of the first embodiment, referring to fig. 4, 5 and 6, the difference from the first embodiment is that: further, the cylinder body 8 is a reciprocating double-acting hydraulic cylinder 16; when the pistons in the same cylinder body 8 do reciprocating motion, hydraulic oil is compressed, and thrust and pull force are required to be applied to the piston rods; a hydraulic oil tank 17 is fixedly arranged in a cavity of the upright post 2 on the mounting seat 9 of the cylinder I801; the top ends and the bottom ends of the lower cylinder body I801 and the upper cylinder body II 802 are respectively connected with a communicated oil return pipeline I18 through the cylinder thick arm; two sides of the bottom end of the hydraulic oil tank 17 are provided with oil return pipelines 19 which are respectively communicated with the middle parts of the oil return pipelines 18; the upper ends of the oil return pipelines 19 are respectively provided with a hydraulic valve 20; the valve handle of the hydraulic valve 20 is arranged on the outer side of the upright post 2 for convenient operation, and the hydraulic valve 20 is used for adjusting the oil discharge amount; the top end of the hydraulic oil tank 17 is provided with an exhaust hole. The oil discharge and the oil absorption are adjusted by manually adjusting a hydraulic valve 20 at the upper end of the oil return pipeline II 19, and proper force is selected to start training.
The inner diameter of the cylinder barrel of the hydraulic cylinder 16 is 70 mm; because of different media, the damping action of the hydraulic pressure is far greater than that of air damping, and the hydraulic cylinder with a small caliber can realize; the stroke of the first piston 803 and the stroke of the second piston 804 are both 105 mm. The operation principle of the first piston 803 and the second piston 804 is the same as that of the first embodiment and is not repeated.
The using method comprises the following steps: the key point in the use is that the exhaust (oil) amount and the suction (oil) amount are adjusted by adjusting the exhaust valve 15 or the hydraulic valve 20, and the training is started by selecting proper self force; and the left hand and the right hand are used alternately.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cylinder body type wrestling training device comprises a fixed base and an upright post, and is characterized in that the upright post is a hollow rectangular cavity; a square through hole penetrates through the left and right of the middle part of the upright post, and a gear box is fixedly arranged in the through hole; a large bevel gear is arranged on the inner surface of the rear side of the gear box, and a small bevel gear meshed with the large bevel gear is arranged on the large bevel gear; the gear ratio of the large bevel gear to the small bevel gear is between 13: 1 and 19: 1; a holding rod is fixedly arranged at the tail end of the rear side wall of the upright post, which penetrates through the transmission shaft of the large bevel gear; a screw rod is screwed in a screw hole in the center of the small bevel gear; the two ends of the lead screw penetrate through the box body of the gear box and are connected with a cylinder body; the lead screw is vertical to a transmission shaft of the large bevel gear, and the axes of the lead screw and the transmission shaft are intersected; the lead screw is a large-lead double-thread lead screw; the lead of the lead screw is between 22 and 32 mm.
Cylinder body mounting seats are fixedly arranged above and below the gear box in the cavity of the upright post at equal intervals, the cylinder bodies are mounted on the mounting seats, a lower cylinder body I and an upper cylinder body II are oppositely arranged between the mounting seats, and the specification and the model of the lower cylinder body I are the same as those of the upper cylinder body II; and piston rods of the lower cylinder body I and the upper cylinder body II are respectively connected with two ends of the screw rod through couplers.
The outer wall of the upright post right below the transmission shaft of the large bevel gear is vertically and fixedly provided with a square sleeve, the sleeve is internally provided with a matched square drawing rod, and the outer end of the drawing rod is horizontally provided with a supporting plate for placing an elbow.
2. A cylinder body type wrenching wrist training apparatus as claimed in claim 1, wherein said cylinder body is a reciprocating double acting cylinder; when the pistons in the same cylinder body do reciprocating motion, air is compressed, and thrust and pull force are required to be applied to the piston rods; when the screw rod moves downwards, thrust is generated on the piston of the lower cylinder body I, and tension is generated on the piston of the upper cylinder body II, so that multiplied resistance increase is realized; the same applies when the lead screw moves upwards.
3. The cylinder body type wrenching wrist training equipment as claimed in claim 2, wherein the cylinder barrel arms at the ends and the front ends of the lower cylinder body I and the upper cylinder body II are respectively provided with an exhaust pipe penetrating through the thick arm thereof, the outer end of the exhaust pipe is provided with an exhaust valve capable of adjusting the size of the exhaust port after penetrating through the through hole on the side wall of the upright post, and the inner end is provided with an automatic bidirectional pressure regulating valve; the exhaust pipe is also an air suction pipe; when the pistons in the lower cylinder body I and the upper cylinder body II move downwards, the exhaust pipe at the tail end of the lower cylinder body I and the exhaust pipe at the front end of the upper cylinder body II start to exhaust, the exhaust pipe at the front end of the lower cylinder body I and the exhaust pipe at the tail end of the upper cylinder body II start to suck air, and the pistons move upwards in an opposite way; the automatic bidirectional pressure regulating valve comprises an air inlet, an air outlet, a valve, a compression spring and a sealing cover; the air inlet and the air outlet of the automatic bidirectional pressure regulating valve are hermetically communicated with the exhaust pipe; the valve is arranged between the air inlet and the air outlet; the valve and the compression spring are arranged in a cavity closed by the automatic bidirectional pressure regulating valve in a matching way; the upper end of the compression spring is fixedly connected with the sealing cover, and the lower end of the compression spring is fixedly connected with the valve; the valve is in a closed state under the action of a compression spring under the normal condition; when the pressure difference between the upper side and the lower side of the valve reaches a set value, the valve is automatically opened upwards, and the opening space of the valve is larger and larger along with the increase of the pressure difference; the valve is in an inverted T shape; the compression spring has certain pretightening force after being installed and fixed.
4. A cylinder type wrestling training apparatus as recited in claim 3, wherein said grip is a V-shaped grip; the V-shaped holding rod comprises a right holding rod and a left holding rod which are vertical to each other; the right holding rod is positioned at the left side of the human body and is specially used for holding by the right hand; the left holding rod is positioned at the right side of the human body and is specially used for holding by the left hand; when the piston I in the lower cylinder body I runs to the bottom of the cylinder, the piston II in the upper cylinder body II runs to the position of the cylinder cover and does not touch the cylinder cover, in the process, the right holding rod rotates anticlockwise for 90 degrees and stops in a horizontal state, and at the moment, the left holding rod vertically faces upwards; when the piston II in the upper cylinder body II runs to the cylinder bottom, the piston I in the lower cylinder body I runs to the cylinder cover and does not touch the cylinder cover, in the process, the left holding rod rotates clockwise by 90 degrees and stops in a horizontal state, and at the moment, the right holding rod vertically faces upwards.
5. A cylinder body type wrenching wrist training apparatus as claimed in claim 4, wherein the inner diameter of the cylinder barrel is between 150 and 300 mm; the stroke of the piston is between 80 and 150 mm.
6. A cylinder type wrenching wrist training apparatus as claimed in claim 1, wherein said cylinder is a reciprocating double acting hydraulic cylinder; when the pistons in the same cylinder body do reciprocating motion, hydraulic oil is compressed, and thrust and pull force are required to be applied to the piston rods; a hydraulic oil tank is fixedly arranged in a cavity of an upright column on the mounting seat of the cylinder body I; the top ends and the bottom ends of the lower cylinder body I and the upper cylinder body II are respectively connected with a communicated oil return pipeline I through the thick arm of the cylinder barrel; two sides of the bottom end of the hydraulic oil tank are provided with oil return pipelines II which are respectively communicated with the middle parts of the oil return pipelines I; the upper ends of the oil return pipelines are respectively provided with a hydraulic valve; the valve handle of the hydraulic valve is arranged on the outer side of the upright post, and the hydraulic valve is used for adjusting the oil suction and discharge amount; and the top end of the hydraulic oil tank is provided with an exhaust hole.
7. A cylinder type wrestling training apparatus as recited in claim 6, wherein said grip is a V-shaped grip; the V-shaped holding rod comprises a right holding rod and a left holding rod which are vertical to each other; the right holding rod is positioned at the left side of the human body and is specially used for holding by the right hand; the left holding rod is positioned at the right side of the human body and is specially used for holding by the left hand; when the piston I in the lower cylinder body I runs to the bottom of the cylinder, the piston II in the upper cylinder body II runs to the position of the cylinder cover and does not touch the cylinder cover, in the process, the right holding rod rotates anticlockwise for 90 degrees and stops in a horizontal state, and at the moment, the left holding rod vertically faces upwards; when the piston II in the upper cylinder body II runs to the cylinder bottom, the piston I in the lower cylinder body I runs to the cylinder cover and does not touch the cylinder cover, in the process, the left holding rod rotates clockwise by 90 degrees and stops in a horizontal state, and at the moment, the right holding rod vertically faces upwards.
8. A cylinder body type wrenching wrist training apparatus as claimed in claim 7, wherein the inner diameter of the cylinder barrel of said hydraulic cylinder is 50-100 mm; the stroke of the piston is between 80 and 150 mm.
9. The cylinder type wrestling training device of claim 1, wherein the bottoms of the lower cylinder body I and the upper cylinder body II are provided with anti-collision buffer rubber pads.
10. A cylinder type wrestling training instrument as claimed in claim 5 or 8, wherein said right and left holding rods are provided with anti-slip rubber sleeves; the right holding rod and the left holding rod incline towards the human body and form an included angle of 60-80 degrees with the horizontal plane.
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| CN201911064695.9A CN110665190B (en) | 2019-10-23 | 2019-10-23 | Cylinder body type wrestling training equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911064695.9A CN110665190B (en) | 2019-10-23 | 2019-10-23 | Cylinder body type wrestling training equipment |
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| CN110665190B CN110665190B (en) | 2021-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452591A (en) * | 2021-12-22 | 2022-05-10 | 中国人民解放军东部战区总医院 | Postoperative rehabilitation exercise device for breast cancer patient |
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| CN114452591A (en) * | 2021-12-22 | 2022-05-10 | 中国人民解放军东部战区总医院 | Postoperative rehabilitation exercise device for breast cancer patient |
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