CN111084963B - Pull-up exercising device for body building - Google Patents
Pull-up exercising device for body building Download PDFInfo
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- CN111084963B CN111084963B CN201911316002.0A CN201911316002A CN111084963B CN 111084963 B CN111084963 B CN 111084963B CN 201911316002 A CN201911316002 A CN 201911316002A CN 111084963 B CN111084963 B CN 111084963B
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- bearing
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
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- 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
Abstract
The invention relates to the technical field of fitness equipment and discloses a pull-up movement device for fitness, which comprises a main support and a rotating block, wherein a support frame is fixedly arranged at the top of the main support, a first fixed shaft is fixedly arranged between the inner walls of the tops of the support frames, a rotating frame is movably arranged on the outer wall of the first fixed shaft, a movable column is fixedly arranged at the bottom of the rotating frame, a supporting damping mechanism is arranged between a threaded block and the movable column, a through groove and a second spring groove which are coaxial are sequentially formed in the bottom center shaft of the rotating block, and a first thrust bearing is fixedly arranged at the top of the bearing groove. The pull-up movement device for fitness provided by the invention can change the height of the rotating frame and the height of the pull handle, can adapt to different age groups, different heights or different exercise stages, can change the direction of the pull handle according to the use habits of a user, can adapt to different holding habits, and can increase the use effect of the device.
Description
Technical Field
The invention relates to the technical field of fitness equipment, in particular to a pull-up movement device for fitness.
Background
The pull-up exercise device is a device for simulating gymnastic horizontal bar or flying ring exercise, can be used for carrying out various types of limb exercises such as upper limb stretching or lower limb deep squat, mainly tests the development level of upper limb muscle strength when the pull-up exercise device is pulled up, is a suspension strength exercise for overcoming self gravity by self strength, is the most basic method for exercising the back, is also one of important reference standards and items for measuring physique, requires certain grip strength and upper limb strength when the pull-up exercise device is pulled up, can be completed once only by overcoming self weight, and plays an important role in developing upper limb suspension strength shoulder straps, grip strength and grip strength when the pull-up exercise device is pulled up, so the pull-up exercise device is a strength endurance item.
The chin can make progress and can bring very big help for our life and work, be a fine exercise mode, the apparatus is when using in the chin at present, because the height of device is fixed, the pull handle height on the chin device is fixed, so just be difficult to adapt to different crowds, because the people of training is at different age brackets, different heights or in the exercise stage of difference, thereby also need the ascending device of pull of different heights, so the ascending device of current chin is difficult to satisfy user's requirement, and the direction of the pull handle on the device is fixed can not change the direction of pull handle according to user's use habit, and is functional single.
Disclosure of Invention
Technical problem to be solved
In view of the above problems in the prior art, an aspect of the present invention is to provide a pull-up device for exercise, which aims to solve the problems that the existing pull-up device is difficult to adapt to different people, it is difficult for the training people to meet the requirements of the user in different age groups, different heights or different training stages, and the direction of the pull handle on the device is fixed, and cannot be changed according to the use habits of the user, so that the device has a single functionality.
Disclosure of Invention
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme: a pull-up exercise device for fitness, comprising:
the support frame is fixedly installed at the top of the main support, a first fixed shaft is fixedly installed between the inner walls of the top of the support frame, a rotating frame is movably installed on the outer wall of the first fixed shaft, a movable column is fixedly installed at the bottom of the rotating frame, screw grooves which completely penetrate through the outer wall of one side of the main support are symmetrically formed in the outer wall of one side of the main support, threaded rods are movably installed in the two screw grooves, threaded blocks are connected to the outer wall of each threaded rod in a threaded mode, and a support damping mechanism is arranged between each threaded block and the corresponding movable column;
a rotating block, a first through groove, a second spring groove and a bearing groove which are coaxial are sequentially arranged at the bottom middle shaft of the rotating block, a first thrust bearing is fixedly arranged at the top of the bearing groove, a second spring is arranged in the second spring groove, a spring sleeve is arranged in the bearing groove, a sleeve groove is arranged on the outer wall of one side of the spring sleeve, one end of the second spring is fixedly arranged at the bottom of the second spring groove, the other end of the second spring is fixedly arranged in the sleeve groove, a second thrust bearing is fixedly arranged at the top of the spring sleeve, a clamping block is fixedly arranged at the top of the second thrust bearing, a bearing column is fixedly arranged at the bottom middle shaft of the clamping block, the bearing column penetrates through the second thrust bearing, the spring sleeve, the first through groove and the second spring and extends to the outer side of the rotating block, the top of the fixture block is in contact with the first thrust bearing when the second spring does not exert acting force.
Preferably, the number of the supporting and damping mechanisms is two, each supporting and damping mechanism comprises a damping column, a first spring, a spring column and a damping sleeve, a first spring groove is formed in the top of the damping sleeve, the spring column is fixedly installed at the bottom center shaft of the first spring groove, the first spring is movably sleeved on the outer wall of the spring column, a limiting column is fixedly installed at one end, located in the first spring groove, of the damping column, a cushion pad is fixedly installed on the outer wall of one side of the limiting column, the cushion pad is mainly arranged to avoid the contact between the limiting column and the inner wall of the damping sleeve and reduce abrasion, one end of the first spring is fixedly installed at the bottom of the limiting column, a spring column groove which completely penetrates through the outer wall, located on one side of the limiting column, close to the first spring is formed in the outer wall of the limiting column, and one end of the spring column is located in the, one end, far away from the shock absorption sleeve, of the shock absorption column is movably arranged on the outer wall of the movable column, and one end, far away from the shock absorption column, of the shock absorption sleeve is movably arranged on the power shaft of the threaded block.
Preferably, the threaded rod runs through in the screw rod groove and extend to the one end fixed mounting in the main support outside has a twist grip, the belt groove has been seted up to twist grip's outer wall, the belt inslot is equipped with driving belt, the main support is located two the inslot fixed mounting that leads to of second between the twist grip has the roller post, the outer wall movable mounting of roller post has the gyro wheel, driving belt is located in the recess of gyro wheel, the setting of gyro wheel mainly is used for stabilizing the transmission between the driving belt.
Preferably, the second fixing shafts are symmetrically arranged between the inner walls of the main brackets, the rotating bearings are fixedly arranged on the outer walls of the second fixing shafts, the rotating blocks are fixedly arranged on the outer walls of the rotating bearings, the pull handles are fixedly arranged at the bottoms of the bearing columns, and the pull handles are vertically downward all the time due to the arrangement of the rotating bearings in the lifting process of the rotating bracket.
As preferred, two the spout has been seted up to the equal symmetry of inner wall in screw rod groove, the equal joint of draw runner that screw thread piece both ends set up in the spout, the setting of spout has increased the stability of screw thread piece.
Preferably, the outer wall of one side of the main support is symmetrically provided with bent rods, the top of each bent rod is fixedly provided with a hand back cushion, the top of one end of each bent rod is fixedly provided with a first armrest, the main support is positioned between the two bent rods, the outer wall of each bent rod is fixedly provided with a rear back cushion, the hand back cushions and the rear back cushion are matched with each other, a user can lean against the rear back cushion to place two arms on the hand back cushion, and the user can hold the first armrests to exercise legs.
As preferred, the landing leg is installed to the bottom symmetry of main support, two the both ends of landing leg all are equipped with antiskid cover, two be equipped with cotton pad between the landing leg, the outer wall symmetry of main support one side is installed and is stabilized the post, and the outer wall symmetry of relative one side installs the bracing piece, the other end fixed mounting who stabilizes the post is in the top of landing leg, the other end fixed mounting of bracing piece is in the top of landing leg, stable post can strengthen the stability of device, and the user can also utilize bracing piece and cotton pad cooperation to use and carry out the push-up training, increases the function of device.
Preferably, the included angle between the main bracket and the two legs is an acute angle of 75 degrees at the minimum. An acute included angle of 75 degrees is formed between the main support and the two support legs, the main support is mainly inclined backwards, and the balance of the device is integrally increased.
Preferably, the pull-up exercise device for fitness is used in a method comprising the following steps:
firstly, one of the rotating handles is adjusted, the rotating handle drives the transmission belt in the groove to rotate, the transmission belt drives the other rotating handle to rotate, the two threaded rods are driven to rotate towards the same direction, the two threaded rods drive the two threaded blocks in threaded connection to rotate, so as to drive the damping sleeve movably connected with the two threaded blocks to move, the damping column sleeved in the damping sleeve is movably connected to the movable column on the rotating frame, so that the height of the rotating frame can be changed, and the height of the pulling handle can be changed,
step two, a user can rotate the pull handle according to own use habits to change the direction of the pull handle, the clamping block is clamped between the first thrust bearing and the second thrust bearing, so that the pull handle can be rotated, the pull handle drives the upper sheet of the second thrust bearing to rotate, when the pull handle is held, the pull handle is pulled downwards to drive the clamping block, the second thrust bearing and the spring sleeve to move downwards in the bearing groove, the spring sleeve is contacted with a step between the bearing groove and the second spring groove in the moving process, the spring sleeve is contacted with the step between the bearing groove and the second spring groove by the downward gravity of a human body, the direction of the pull handle is fixed at the moment, the two pull handles cannot rotate, the clamping block, the second thrust bearing and the spring sleeve move upwards under the elastic force of the second spring at the moment, and the spring sleeve is separated from the step between the bearing groove and the second spring groove, the clamping block is contacted with the first thrust bearing, and the pull handle can be rotated at the moment.
Compared with the prior art, the pull-up movement device for fitness provided by the embodiment of the invention has the beneficial effects that:
1. according to the invention, the threaded rod is arranged on the main support, the threaded block is arranged on the threaded rod, the rotating frame is arranged on the main support, the supporting and damping mechanism is used for supporting the rotating frame, the threaded rod is driven to rotate by rotating the rotating handle, so that the threaded block moves along the threaded rod, and the damping sleeve movably connected with the threaded block is driven to move, thus the height of the rotating frame can be changed, the height of the pull handle is changed, and the pull handle can adapt to different age groups, different heights or different exercise stages.
2. According to the invention, the rotating bearing, the rotating block and the first thrust bearing, the second thrust bearing, the bearing column, the clamping block and the spring sleeve which are arranged in the inner rotating block are matched with each other for use, so that a user can change the direction of the pull handle according to own use habits when using the device, thereby adapting to different holding habits, increasing the use effect of the device and improving the comfort level of the user.
3. The rotating frame is supported by the supporting damping mechanism, so that the vibration of the device is reduced when a user uses the device, the service life of the device is prolonged, and when the user uses the device, the damping mechanism can buffer downward force of the rotating frame, and the comfort level of the user is also improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
FIG. 1 is a schematic view of a first perspective structure of the present invention;
FIG. 2 is a schematic view of a second perspective structure of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 5 is an enlarged view of the structure of the present invention at B;
FIG. 6 is an enlarged view of the structure of the present invention at C;
FIG. 7 is a schematic cross-sectional view of the support shock absorbing mechanism of the present invention;
FIG. 8 is a schematic view of the internal structure of the rotating block when the present invention is not in use;
FIG. 9 is a schematic view of the internal structure of the rotating block in use of the present invention;
FIG. 10 is a schematic view of the structure of the load-bearing post, the second thrust bearing, and the fixture block of the present invention;
FIG. 11 is a schematic view of the internal cross-section of the rotating block of the present invention;
FIG. 12 is a schematic view of the shock post of the present invention.
In the figure: 1. back cushion; 2. a support frame; 3. a first fixed shaft; 4. a main support; 5. a thread block; 6. a threaded rod; 7. a bent rod; 8. a hand cushion; 9. a stabilization post; 10. a support leg; 11. an anti-slip sleeve; 12. a cotton pad; 13. a support bar; 14. a first armrest; 15. a screw channel; 16. supporting the damping mechanism; 17. a rotating frame; 18. a first spring groove; 19. a first spring; 20. a spring post; 21. a cushion pad; 22. a shock-absorbing post; 23. a spring post slot; 24. a chute; 25. rotating the handle; 26. a belt groove; 27. a drive belt; 28. a roller column; 29. a roller; 30. a limiting column; 31. a pull handle; 32. a movable post; 33. rotating the block; 34. a second fixed shaft; 35. a rotating bearing; 36. a first thrust bearing; 37. a bearing groove; 38. a second spring groove; 39. a first through groove; 40. a second spring; 41. a sleeve groove; 42. a spring sleeve; 43. a load-bearing column; 44. a second thrust bearing; 45. a clamping block; 46. shock attenuation sleeve.
Detailed Description
So that the objects, technical solutions and advantages of the embodiments of the present disclosure will be more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 to 12, the pull-up exercise device for exercise provided by the present invention comprises a threaded rod 6 disposed on a main support 4, a threaded rod 6 having a threaded block 5 disposed thereon and a rotating frame 17 disposed on the main support 4, a supporting and damping mechanism 16 supporting the rotating frame 17, and a rotating handle 25 rotating the threaded rod 6 to move the threaded block 5 along the threaded rod 6 and move a damping sleeve 46 movably connected to the threaded block 5, so as to change the height of the rotating frame 17 and the height of the pull handle 31, thereby adapting to different ages, different heights or different exercise stages, by using the first thrust bearing 36, the second thrust bearing 44, the bearing column 43, the clamping block 45 and the spring sleeve 42 disposed inside the rotating bearing 35, the rotating block 33 and the inner rotating block 33 to cooperate with each other, thereby the user can be when using, can change the direction of pulling force handle 31 according to the use habit of oneself to adapt to the different assurance habits, increase the result of use of device, improve user's comfort level, supporting swivel mount 17 through utilizing supporting damper 16, thereby reduce the vibration of device when the user uses, improve the life of device, when the user uses, support damper 16 and can have decurrent cushion effect to swivel mount 17, also increased user's comfort level.
According to the invention, a support frame 2 is fixedly arranged on the top of a main support 4, a first fixing shaft 3 is fixedly arranged between the inner walls of the top of the support frame 2, a rotating frame 17 is movably arranged on the outer wall of the first fixing shaft 3, a movable column 32 is fixedly arranged at the bottom of the rotating frame 17, screw grooves 15 which completely penetrate through the outer wall of one side of the main support 4 are symmetrically formed in the outer wall of the two screw grooves 15, threaded rods 6 are movably arranged in the two screw grooves 15, the outer wall of each threaded rod 6 is in threaded connection with a threaded block 5, a supporting damping mechanism 16 is arranged between the threaded block 5 and the movable column 32, sliding grooves 24 are symmetrically formed in the inner walls of the two screw grooves 15, sliding strips arranged at two ends of the threaded block 5 are clamped in the sliding grooves.
In the further proposed technical solution of the present invention, a first through groove 39, a second spring groove 38 and a bearing groove 37 which are coaxial with each other are sequentially disposed at a bottom center shaft of the rotating block 33, a first thrust bearing 36 is fixedly mounted at a top of the bearing groove 37, a second spring 40 is disposed in the second spring groove 38, a spring sleeve 42 is disposed in the bearing groove 37, a sleeve groove 41 is disposed on an outer wall of one side of the spring sleeve 42, one end of the second spring 40 is fixedly mounted at a bottom of the second spring groove 38, the other end is fixedly mounted in the sleeve groove 41, a second thrust bearing 44 is fixedly mounted at a top of the spring sleeve 42, a clamping block 45 is fixedly mounted at a top of the second thrust bearing 44, a bearing column 43 is fixedly mounted at a bottom center shaft of the clamping block 45, the bearing column 43 penetrates through the second thrust bearing 44, the spring sleeve 42, the first through groove 39 and the second spring 40 and extends to an outer side of, the top of the latch 45 contacts the first thrust bearing 36 when the second spring 40 is not applying force.
Furthermore, preferably, the number of the supporting shock absorption mechanisms 16 is two, each supporting shock absorption mechanism 16 comprises a shock absorption column 22, a first spring 19, a spring column 20 and a shock absorption sleeve 46, a first spring groove 18 is formed in the top of each shock absorption sleeve 46, each spring column 20 is fixedly installed at the bottom center axis of each first spring groove 18, each first spring 19 is movably sleeved on the outer wall of each spring column 20, a limiting column 30 is fixedly installed at one end, located in each first spring groove 18, of each shock absorption column 22, a cushion 21 is fixedly installed on the outer wall of one side of each limiting column 30, the cushion 21 is mainly arranged to prevent the limiting columns 30 from contacting with the inner wall of the shock absorption sleeves 46 and reduce abrasion, one end of each first spring 19 is fixedly installed at the bottom of each limiting column 30, a thoroughly penetrating spring column groove 23 is formed in the outer wall, located on one side, of each limiting column 30, close to each first spring 19, one end, the end of the shock absorbing column 22 far away from the shock absorbing sleeve 46 is movably arranged on the outer wall of the movable column 32, and the end of the shock absorbing sleeve 46 far away from the shock absorbing column 22 is movably arranged on the power shaft of the thread block 5.
In the further proposed technical scheme of the invention, a rotating handle 25 is fixedly installed at one end of the threaded rod 6 penetrating through the screw rod groove 15 and extending to the outer side of the main support 4, a belt groove 26 is formed in the outer wall of the rotating handle 25, a transmission belt 27 is arranged in the belt groove 26, a roller column 28 is fixedly installed in a second through groove of the main support 4 between the two rotating handles 25, a roller 29 is movably installed on the outer wall of the roller column 28, the transmission belt 27 is located in a groove of the roller 29, and the arrangement of the roller 29 is mainly used for stabilizing transmission between the transmission belts 27.
Further, a second fixing shaft 34 is symmetrically installed between the inner walls of the main support 4, a rotating bearing 35 is fixedly installed on the outer wall of the second fixing shaft 34, a rotating block 33 is fixedly installed on the outer wall of the rotating bearing 35, a pull handle 31 is fixedly installed at the bottom of the bearing column 43, and in the process of lifting the rotating frame 17, the pull handle 31 is always vertically downward due to the arrangement of the rotating bearing 35.
Preferably, in a further proposed technical solution of the present invention, the outer wall of one side of the main support 4 is symmetrically provided with a curved rod 7, the top of the curved rod 7 is fixedly provided with a hand cushion 8, the top of one end of the curved rod 7 is fixedly provided with a first armrest 14, the outer wall of the main support 4 between the two curved rods 7 is fixedly provided with a back cushion 1, the hand cushion 8 and the back cushion 1 are mutually matched, a user can lean against the back cushion 1 to place two arms on the hand cushion 8, and hold the first armrest 14 with hands to perform leg exercise.
Further, landing leg 10 is installed to the bottom symmetry of main support 4, the both ends of two landing legs 10 all are equipped with antiskid cover 11, be equipped with cotton pad 12 between two landing legs 10, the outer wall symmetry of main support 4 one side is installed and is stabilized post 9, and the outer wall symmetry of relative one side installs bracing piece 13, the other end fixed mounting of stabilizing post 9 is at the top of landing leg 10, the other end fixed mounting of bracing piece 13 is at the top of landing leg 10, it can the stability of reinforcing device to stabilize post 9, the user can also utilize bracing piece 13 and cotton pad 12 cooperation to use and carry out the push-up training, the function of device is increased.
In some embodiments, it is preferable that the angle between the main support 4 and the two legs 10 is an acute angle of 75 ° at the minimum, and the acute angle between the main support 4 and the two legs 10 is 75 ° at the minimum, mainly by tilting the main support 4 backwards, to increase the balance of the device as a whole.
When the invention is used, a user firstly adjusts one of the rotary handles 25 according to the requirement of the user, the rotary handle 25 drives the transmission belt 27 in the groove to rotate, the transmission belt 27 drives the other rotary handle 25 to rotate, thereby driving the two threaded rods 6 to rotate towards the same direction, the two threaded rods 6 drive the two threaded blocks 5 in threaded connection to rotate, thereby driving the damping sleeves 46 movably connected with the two threaded blocks 5 to move, the damping columns 22 sleeved in the damping sleeves 46 are movably connected on the movable columns 32 on the rotary frame 17, thereby changing the height of the rotary frame 17, changing the height of the pulling handle 31, adapting to different age groups, different heights or different exercise stages, then the user can change the direction of the pulling handle 31 according to the use habit of the user, the structure diagram in the rotary block 33 is shown in figure 8, the user can rotate the pull handle 31 according to the own usage habit, change the direction of the pull handle 31, the fixture block 45 is clamped between the first thrust bearing 36 and the second thrust bearing 44, thereby rotating the pull handle 31, the pull handle 31 drives the upper piece of the second thrust bearing 44 to rotate, when holding the pull handle 31, the pull handle 31 is pulled downwards to drive the fixture block 45, the second thrust bearing 44 and the spring sleeve 42 to move downwards in the bearing groove 37, along with the moving process, the spring sleeve 42 contacts the step between the bearing groove 37 and the second spring groove 38, as the downward gravity of the human body makes the spring sleeve 42 contact the step between the bearing groove 37 and the second spring groove 38, as shown in fig. 9, at this moment, the direction of the pull handle 31 is fixed, can not rotate, is more stable, thereby facilitating the more stable training of the user, when the user is well trained, when the two pull handles 31 are released, the latch 45, the second thrust bearing 44 and the spring sleeve 42 move upwards under the action of the elastic force of the second spring 40, the spring sleeve 42 is separated from the step between the bearing groove 37 and the second spring groove 38, the latch 45 contacts with the first thrust bearing 36, as shown in fig. 8, the pull handle 31 can be rotated again to change the direction, in general, when the pull handle 31 is not pulled downwards, the pull handle 31 can rotate freely, and when the pull handle 31 is pulled downwards, the pull handle 31 cannot rotate and is fixed.
It will be understood by those skilled in the art that other similar connecting methods, such as welding, bonding or screwing, etc., can be used to implement the present invention, and the elastic coefficients of the first spring 19 and the second spring 40 in the present invention are within the range that meets the corresponding technical requirements in the specific implementation process.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (9)
1. A pull-up exercise device for exercise, comprising:
the support device comprises a main support (4), a support frame (2) is fixedly installed at the top of the main support (4), a first fixing shaft (3) is fixedly installed between the inner walls of the top of the support frame (2), a rotating frame (17) is movably installed on the outer wall of the first fixing shaft (3), a movable column (32) is fixedly installed at the bottom of the rotating frame (17), screw grooves (15) which completely penetrate through are symmetrically formed in the outer wall of one side of the main support (4), threaded rods (6) are movably installed in the two screw grooves (15), the outer wall of each threaded rod (6) is in threaded connection with a threaded block (5), and a support damping mechanism (16) is arranged between each threaded block (5) and the corresponding movable column (32); the rotating block (33), a first through groove (39), a second spring groove (38) and a bearing groove (37) which are coaxial are sequentially formed in the bottom center shaft of the rotating block (33), a first thrust bearing (36) is fixedly installed at the top of the bearing groove (37), a second spring (40) is arranged in the second spring groove (38), a spring sleeve (42) is arranged in the bearing groove (37), a sleeve groove (41) is formed in the outer wall of one side of the spring sleeve (42), one end of the second spring (40) is fixedly installed at the bottom of the second spring groove (38), the other end of the second spring (40) is fixedly installed in the sleeve groove (41), a second thrust bearing (44) is fixedly installed at the top of the spring sleeve (42), a clamping block (45) is fixedly installed at the top of the second thrust bearing (44), and a bearing column (43) is fixedly installed at the bottom center shaft of the clamping block (45), the bearing column (43) penetrates through the second thrust bearing (44), the spring sleeve (42), the first through groove (39) and the second spring (40) and extends to the outer side of the rotating block (33), and the top of the clamping block (45) is in contact with the first thrust bearing (36) when the second spring (40) does not exert acting force.
2. The pull-up exercise device for fitness according to claim 1, wherein the number of the supporting shock absorption mechanisms (16) is two, the supporting shock absorption mechanisms (16) comprise shock absorption columns (22), first springs (19), spring columns (20) and shock absorption sleeves (46), first spring grooves (18) are formed in the tops of the shock absorption sleeves (46), the spring columns (20) are fixedly installed at the bottom center shafts of the first spring grooves (18), the first springs (19) are movably sleeved on the outer walls of the spring columns (20), limiting columns (30) are fixedly installed at one ends of the shock absorption columns (22) located in the first spring grooves (18), cushion pads (21) are fixedly installed on the outer walls of one sides of the limiting columns (30), one ends of the first springs (19) are fixedly installed at the bottoms of the limiting columns (30), spacing post (30) are close to spring post groove (23) that thoroughly run through are seted up to the outer wall of first spring (19) one side, the one end of spring post (20) is located in spring post groove (23), shock attenuation post (22) are kept away from the one end movable mounting of shock attenuation sleeve (46) on the outer wall of activity post (32), shock attenuation sleeve (46) are kept away from the one end movable mounting of shock attenuation post (22) on the power shaft of screw block (5).
3. The pull-up body upward movement device for fitness according to claim 2, wherein the threaded rod (6) penetrates through the threaded rod groove (15) and extends to one end of the outer side of the main support (4) to be fixedly provided with a rotating handle (25), the outer wall of the rotating handle (25) is provided with a belt groove (26), a transmission belt (27) is arranged in the belt groove (26), the main support (4) is positioned in a second through groove between the two rotating handles (25) and is fixedly provided with a roller column (28), the outer wall of the roller column (28) is movably provided with a roller (29), and the transmission belt (27) is positioned in a groove of the roller (29).
4. The pull-up device for fitness according to claim 3, wherein a second fixing shaft (34) is symmetrically installed between the inner walls of the main support (4), a rotating bearing (35) is fixedly installed on the outer wall of the second fixing shaft (34), the rotating block (33) is fixedly installed on the outer wall of the rotating bearing (35), and the pull handle (31) is fixedly installed at the bottom of the bearing column (43).
5. The pull-up exercise device for fitness according to claim 4, wherein sliding grooves (24) are symmetrically formed in the inner walls of the two screw grooves (15), and sliding strips arranged at two ends of the threaded block (5) are clamped in the sliding grooves (24).
6. The pull-up exercise device for fitness according to claim 5, wherein the outer wall of one side of the main support (4) is symmetrically provided with bent rods (7), the top of each bent rod (7) is fixedly provided with a hand cushion (8), the top of one end of each bent rod (7) is fixedly provided with a first handrail (14), and the outer wall of the main support (4) between the two bent rods (7) is fixedly provided with a rear cushion (1).
7. The pull-up device for fitness according to claim 6, wherein the bottom of the main support (4) is symmetrically provided with support legs (10), two ends of each support leg (10) are provided with anti-skidding sleeves (11), a cotton pad (12) is arranged between the two support legs (10), the outer wall of one side of the main support (4) is symmetrically provided with stabilizing columns (9), the outer wall of the opposite side is symmetrically provided with support rods (13), the other ends of the stabilizing columns (9) are fixedly arranged at the tops of the support legs (10), and the other ends of the support rods (13) are fixedly arranged at the tops of the support legs (10).
8. A pull-up exercise apparatus according to claim 7, wherein the angle between the main support (4) and the two legs (10) is at least an acute angle of 75 °.
9. The pull-up exercise device for fitness according to any one of claims 8, wherein the pull-up exercise device for fitness is used in a method comprising:
firstly, adjusting one of the rotating handles (25), wherein the rotating handle (25) drives a transmission belt (27) in a groove to rotate, the transmission belt (27) drives the other rotating handle (25) to rotate, two threaded rods (6) are driven to rotate in the same direction, the two threaded rods (6) drive two threaded blocks (5) in threaded connection to rotate, so as to drive a damping sleeve (46) movably connected with the two threaded blocks (5) to move, and a damping column (22) sleeved in the damping sleeve (46) is movably connected to a movable column (32) on a rotating frame (17), so that the height of the rotating frame (17) can be changed, and the height of a pulling handle (31) is changed;
step two, a user can rotate the pulling handle (31) according to the use habit of the user to change the direction of the pulling handle (31), the clamping block (45) is clamped between the first thrust bearing (36) and the second thrust bearing (44) so as to rotate the pulling handle (31), the pulling handle (31) drives the upper sheet of the second thrust bearing (44) to rotate, when the pulling handle (31) is held, the pulling handle (31) is pulled downwards to drive the clamping block (45), the second thrust bearing (44) and the spring sleeve (42) to move downwards in the bearing groove (37), along with the moving process, the spring sleeve (42) is contacted with the step between the bearing groove (37) and the second spring groove (38), the downward gravity of the human body enables the spring sleeve (42) to be contacted with the step between the bearing groove (37) and the second spring groove (38), and the direction of the pulling handle (31) is fixed, the pull handle (31) can not rotate, the two pull handles (31) are loosened, at the moment, the clamping block (45), the second thrust bearing (44) and the spring sleeve (42) move upwards under the action of the elastic force of the second spring (40), the spring sleeve (42) is separated from the step between the bearing groove (37) and the second spring groove (38), the clamping block (45) is in contact with the first thrust bearing (36), and at the moment, the pull handle (31) can be rotated.
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| CN201911316002.0A CN111084963B (en) | 2019-12-19 | 2019-12-19 | Pull-up exercising device for body building |
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| CN201911316002.0A CN111084963B (en) | 2019-12-19 | 2019-12-19 | Pull-up exercising device for body building |
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| CN111084963A CN111084963A (en) | 2020-05-01 |
| CN111084963B true CN111084963B (en) | 2021-04-09 |
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| CN201911316002.0A Active CN111084963B (en) | 2019-12-19 | 2019-12-19 | Pull-up exercising device for body building |
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| CN113713338A (en) * | 2021-09-14 | 2021-11-30 | 中国石油大学(华东) | Intelligent pull-up movement device for fitness |
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