CN114272570B - Fitness equipment convenient to adjust fitness personnel training intensity - Google Patents
Fitness equipment convenient to adjust fitness personnel training intensity Download PDFInfo
- Publication number
- CN114272570B CN114272570B CN202111296803.2A CN202111296803A CN114272570B CN 114272570 B CN114272570 B CN 114272570B CN 202111296803 A CN202111296803 A CN 202111296803A CN 114272570 B CN114272570 B CN 114272570B
- Authority
- CN
- China
- Prior art keywords
- block
- sleeve
- main
- oil cylinder
- blocking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The invention relates to the technical field of fitness equipment, and discloses fitness equipment convenient for adjusting the training intensity of fitness personnel, which comprises two groups of main supports, wherein a main oil cylinder is fixedly arranged at the bottom of each main support, a pressure rod is movably sleeved in an inner cavity of the main oil cylinder, and the top end of the outer part of the main oil cylinder is symmetrically provided with an adjusting valve and an elastic mechanism respectively. According to the invention, the adjusting handle is adjusted externally, the threaded block is rotated, so that the threaded block moves leftwards due to thread engagement, the fixed column drives the first blocking block to move leftwards, the gap between the first blocking block and the blocking sleeve is gradually enlarged due to leftward movement of the first blocking block, the flow rate of hydraulic oil is faster under the same pressure due to the gradually enlarged gap, the ascending speed of the pressure rod is faster, the training burden of a body builder is correspondingly reduced, otherwise, the burden is increased, and therefore, the self training intensity of the body builder can be adjusted very simply and conveniently, the operation is simple, and the self training intensity of the body builder is not required to be realized by applying a heavy object.
Description
Technical Field
The invention relates to the technical field of fitness equipment, in particular to fitness equipment convenient for adjusting the training intensity of fitness personnel.
Background
With the increasing demand of people for physical health or the emphasis on stature, fitness equipment has become a good choice for fitness personnel.
The existing training equipment, such as a chest expander for training back muscles and biceps brachii, needs to be trained with the help of an assistant or a fitness coach, because a set of specified actions of the exerciser need to be finished, the final general strength of the exerciser in the set of actions is not enough, so the assistant needs to assist the exerciser to perform lifting actions and the like, the workload of the assistant is increased, the existing chest expander generally determines the training burden by adding or reducing a balancing weight, and the mode of adjusting the training intensity is more traditional and more troublesome.
Therefore, the fitness equipment which does not need the assistance of auxiliary personnel and can assist the fitness personnel to independently complete the action is designed, and the training intensity of the fitness personnel can be conveniently and quickly adjusted by the fitness equipment.
Based on the above, the invention designs the fitness equipment which is convenient for adjusting the training intensity of the fitness personnel so as to solve the problems.
Disclosure of Invention
The invention aims to provide fitness equipment convenient for adjusting the training intensity of fitness personnel, so as to solve the problems of complicated matching and adjustment and personnel assistance requirement in the background technology. In order to achieve the above purpose, the invention provides the following technical scheme: a body-building apparatus convenient for adjusting the training intensity of body-building personnel comprises two groups of main supports, wherein the bottoms of the main supports are fixedly provided with main oil cylinders, pressure rods are movably sleeved in the inner cavities of the main oil cylinders, and the top ends of the outer parts of the main oil cylinders are respectively and symmetrically provided with an adjusting valve and an elastic mechanism;
the adjusting valve comprises a first oil cavity, a second oil cavity fixedly connected and communicated with the first oil cavity, a thread block sleeved in the second oil cavity through a thread, a plugging sleeve fixedly installed in the first oil cavity, and a first plugging block sleeved in the plugging sleeve, wherein the thread block is fixedly connected with a fixed column, the fixed column horizontally extends to the inside of the elastic mechanism, the inner cavity of the second oil cavity is communicated to the bottom of the inner cavity of the main oil cylinder through a first oil pipe, an adjusting handle is fixedly installed outside the thread block, and external personnel can adjust the rotation of the thread block in the adjusting valve through adjusting the adjusting handle;
the elastic mechanism comprises a fixed sleeve, a sliding block and a stop block which are sleeved in the fixed sleeve, a loop bar sleeved on the stop block, and a spring sleeved on the loop bar, wherein a fixed column is fixedly connected with the stop block, so that when the adjusting thread block moves, the fixed column drives the stop block to move together, and the stop block moves leftwards, so that the total length of the spring is lengthened, the smaller the elastic force applied to the sliding block is, the smaller the stop block moves rightwards, the smaller the total length of the spring is, and the larger the elastic force applied to the sliding block is;
the top of the pressure lever is wound with a pull rope through a second fixed pulley fixedly arranged on the top of the main bracket and connected with a pull handle.
As a further scheme of the present invention, the first blocking block is fixedly installed on the surface of the fixed column, the first blocking block is a circular truncated cone, a circular truncated cone groove capable of adapting to the shape of the first blocking block is formed in the inner side of the blocking sleeve, and the blocking sleeve is left-right communicated.
As a further scheme of the invention, the piston of the pressure lever is provided with the one-way valve, the one-way valve is communicated from bottom to top and is stopped from top to bottom, the arrangement can ensure that when the pressure lever descends, hydraulic oil positioned below the piston of the pressure lever can be quickly discharged above the piston, and when the pressure lever ascends, the hydraulic oil cannot enter the lower part of the piston through the one-way valve and only can enter the lower part of the piston from the regulating valve, the first oil pipe and the pressure release mechanism.
As a further scheme of the invention, the slider is fixedly connected with the loop bar, the spring is elastically supported between the slider and the stop block, the part of the loop bar sleeved inside the stop block is four arc-shaped rods which are mutually separated, the stop block is provided with four arc-shaped through grooves matched with the arc-shaped rods of the loop bar, the structure can realize that the fixed column is sleeved inside the loop bar and also can be connected with the stop block sleeved outside the loop bar, the automatic moving states of the fixed column and the stop block are not influenced mutually, the spring is elastically supported on the slider, the slider can overcome the elasticity of the spring to slide leftwards along the inner cavity of the fixed sleeve under the influence of hydraulic pressure in the main oil cylinder, and the loop bar is pushed to extend outwards in the process of sliding leftwards by the slider.
As a further scheme of the invention, a limiting ring is fixedly sleeved in the fixed sleeve, the limiting ring is positioned on the right side of the sliding block and supports the sliding block, the limiting ring is used for preventing the pushing force of the hand spring of the sliding block from being separated from the fixed sleeve, and the maximum displacement amount of the sliding block to the right side when the sliding block is attached to the limiting ring prevents the sliding block from being pushed into an inner cavity of the main oil cylinder by the elastic force.
As a further scheme of the invention, a double-throw switch is fixedly mounted on the inner side surface of the main support, the outer end of the loop bar props against a contact of the double-throw switch, a pressure release mechanism is further arranged on the top of the main oil cylinder, the double-throw switch is positioned in a circuit loop of a motor of the pressure release mechanism, and the double-throw switch can control two different actions of forward rotation and reverse rotation of the motor through different states of the contact.
As a further scheme of the present invention, the pressure release mechanism includes a connection sleeve communicated with an inner cavity of the main cylinder, a second blocking block movably clamped inside the connection sleeve, a threaded post threadedly connected inside the second blocking block, a motor fixedly communicating the connection sleeve with the bottom of the inner cavity of the main cylinder, and a motor fixedly mounted on the main support and in transmission connection with the threaded post, wherein the second blocking block can only slide back and forth along the connection sleeve and cannot rotate, when the threaded post rotates along with a transmission shaft of the motor, the second blocking block can slide along the connection sleeve due to the threaded connection relationship between the second blocking block and the threaded post, so that the second blocking block is separated from the connection sleeve to the connection sleeve and the main cylinder, and thus hydraulic oil in the main cylinder can directly flow into the connection sleeve and then flow into the second oil pipe, the motor has two rotation states, when a contact of the double throw switch is contacted by the sleeve rod, the motor drives the threaded post to rotate until the connection sleeve is opened to make the connection sleeve slide.
As a further scheme of the present invention, a first fixed pulley is fixedly mounted on an inner side surface of the main support, a rope is wound on the first fixed pulley, two ends of the rope are respectively and fixedly connected to a top end of the pressing rod and a vertical connecting rod of the loop bar, the rope is gradually straightened when the pressing rod moves downwards, and the rope is gradually loosened when the pressing rod moves upwards.
As a further scheme of the invention, when a piston of the pressure lever is positioned at the bottom of an inner cavity of the master cylinder, the rope is in a tensioned state, the pressure lever is positioned at the bottom of the inner cavity of the master cylinder, when the rope is tensioned, the loop lever is also under the tension action of the rope, so that the loop lever overcomes the elastic force action of the spring to prop against a contact of the double-throw switch, and after the pressure lever is displaced upwards for a short distance, the rope gradually tends to be loosened, so that the loosened rope does not form effective tension on the loop lever any more, and the main purpose of pulling the loop lever by the rope is to enable the double-throw switch to return to an initial state when the pressure lever returns to an initial maintenance state, so that the motor also returns to the initial state.
As a further scheme of the invention, a vertical rectangular through groove is formed in the compression bar, the fixing column penetrates through the vertical rectangular through groove and extends to the inside of the elastic mechanism, when the compression bar moves upwards, the action of the fixing column is not influenced by the sliding of the compression bar due to the existence of the vertical rectangular through groove, the vertical through groove of the compression bar can be changed into two cylindrical piston rods with a gap in the middle, and the fixing column can also penetrate through the middle of the two piston rods which are not in contact with each other, so that the functions are the same.
The invention has the following beneficial effects:
1. according to the invention, the adjusting handle is adjusted outside, the thread block is rotated, so that the thread block moves leftwards due to thread engagement, the fixing column drives the first blocking block to move leftwards, the gap between the first blocking block and the blocking sleeve is gradually enlarged due to leftward movement of the first blocking block, the flow rate of hydraulic oil is higher under the same pressure due to the gradually enlarged gap, the rising speed of the pressure rod is higher, the training burden of a body builder is correspondingly reduced, otherwise, the burden is increased, and therefore, the training intensity suitable for the body builder can be adjusted very simply and conveniently, the operation is simple, and the training intensity is not required to be realized by applying a heavy object.
2. According to the invention, the transmission shaft of the motor rotates, and the second blocking block can slide along the connecting sleeve due to the threaded connection relationship between the second blocking block and the threaded column, so that the second blocking block is separated from blocking the connecting sleeve and the main oil cylinder connecting port, hydraulic oil in the main oil cylinder can directly flow into the connecting sleeve and then flow to the second oil pipe, and accordingly, the release of hydraulic pressure in the main oil cylinder can be accelerated by the extra hydraulic oil passage, the temporary burden of a trainer is reduced, which is equivalent to the effect that an assistant person can help the assistant person to support a heavy object aside, and the training assistant effect is achieved.
3. The invention is fixedly connected with the stop block through the fixed column, when the adjusting thread block moves, the fixed column drives the stop block to move together, the stop block moves leftwards, the total length of the spring is lengthened, the elastic force exerted on the slide block is smaller, the stop block moves rightwards, the total length of the spring is reduced, the elastic force exerted on the slide block is larger, when the gap between the first blocking block and the blocking sleeve is increased, the elastic force exerted on the slide block by the spring is reduced, so that the pressure release mechanism can be kept not to be triggered only by smaller hydraulic pressure, specifically, the uniform training can be kept without exerting large strength on a body builder, when the gap between the first blocking block and the blocking sleeve is reduced, the elastic force exerted on the slide block by the spring is increased, so that the pressure release mechanism can be kept not to be triggered only by larger hydraulic pressure, specifically, the training burden of the body builder is increased, when the body builder pulls the pull handle to slow up speed, the oil pressure in the inner cavity of the pressure rod is reduced, the oil pressure of the oil cylinder is not enough to overcome the elastic force of the spring, the spring is pushed to move rightwards, the sleeve is separated from the double throw switch, the pressure release mechanism is reduced, and the pressure release mechanism is relatively simple and the adaptive to the humanized training stage.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is a sectional view showing an internal structure of a master cylinder according to the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of portion C of FIG. 4 in accordance with the present invention;
FIG. 7 is a disassembled schematic view of the spring mechanism of the present invention;
FIG. 8 is a cross-sectional view of the pressure relief mechanism of the present invention;
FIG. 9 is a disassembled view of the master cylinder structure of the present invention.
In the figure: 1. a main support; 2. a master cylinder; 21. a pressure lever; 22. a one-way valve; 3. adjusting a valve; 31. a first oil chamber; 32. a second oil chamber; 33. fixing a column; 34. a thread block; 35. plugging the sleeve; 36. a first plugging block; 4. an adjustment handle; 5. a first oil pipe; 6. an elastic mechanism; 61. fixing a sleeve; 62. a slider; 63. a stopper; 64. a spring; 65. a loop bar; 66. a limiting ring; 7. a double throw switch; 8. a pressure release mechanism; 81. a second plugging block; 82. a threaded post; 83. a second oil pipe; 84. connecting sleeves; 85. a motor; 9. a first fixed pulley; 10. a second fixed pulley; 11. and (5) pulling a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, in the embodiment of the present invention, an exercise apparatus for conveniently adjusting the training intensity of an exerciser comprises two groups of main supports 1, wherein a main oil cylinder 2 is fixedly installed at the bottom of each main support 1, a pressure rod 21 is movably sleeved in an inner cavity of each main oil cylinder 2, and an adjusting valve 3 and an elastic mechanism 6 are symmetrically arranged at the top end of the outer part of each main oil cylinder 2;
the adjusting valve 3 comprises a first oil cavity 31, a second oil cavity 32 fixedly connected and communicated with the first oil cavity 31, a thread block 34 in the second oil cavity 32 in a threaded sleeve mode, a plugging sleeve 35 fixedly installed in the first oil cavity 31, and a first plugging block 36 sleeved in the plugging sleeve 35, wherein the thread block 34 is fixedly connected with a fixed column 33, the fixed column 33 horizontally extends into the elastic mechanism 6, the inner cavity of the second oil cavity 32 is communicated to the bottom of the inner cavity of the main oil cylinder 2 through a first oil pipe 5, an adjusting handle 4 is fixedly installed outside the thread block 34, and external personnel can adjust the rotation of the thread block 34 in the adjusting valve 3 by adjusting the adjusting handle 4;
the elastic mechanism 6 comprises a fixed sleeve 61, a sliding block 62, a stop block 63, a loop bar 65 and a spring 64, wherein the sliding block 62 and the stop block 63 are sleeved in the fixed sleeve 61, the loop bar 65 is sleeved in the stop block 63, the spring 64 is sleeved in the loop bar 65, and the fixed column 33 is fixedly connected with the stop block 63, so that when the adjusting thread block 34 moves, the fixed column 33 drives the stop block 63 to move together, the stop block 63 moves leftwards, the total length of the spring 64 is lengthened, the elastic force applied to the sliding block 62 is smaller, the stop block 63 moves rightwards, the total length of the spring 64 is reduced, and the elastic force applied to the sliding block 62 is larger;
the top of the pressure lever 21 is connected with a pull rope in a winding way through a second fixed pulley 10 fixedly arranged on the top of the main bracket 1 and is connected with a pull handle 11, and the body-building personnel pulls the pull handle 11 and pulls the pressure lever 21 to rise through the transmission of the pull rope and the fixed pulley.
The first blocking block 36 is fixedly mounted on the surface of the fixed column 33, the first blocking block 36 is a circular truncated cone, a circular truncated cone groove which can be matched with the shape of the first blocking block 36 is formed in the inner side of the blocking sleeve 35, and the blocking sleeve 35 is conducted left and right, as shown in fig. 8, the adjusting handle 4 is rotated, the threaded block 34 is in threaded rotary engagement with the second oil cavity 32 so as to move left, the threaded block 34 pushes the fixed column 33 to move left, so that the first blocking block 36 is driven to be separated from the inner wall of the blocking sleeve 35, so that a gap is formed between the first blocking block 36 and the blocking sleeve 35, when a body-building person pulls the pull handle 11, the compression rod 21 moves upwards, hydraulic oil above a piston of the compression rod 21 is pressed and then enters the first oil pipe 5 along the gap, and then enters the main oil cylinder 2, because the flow rate of the hydraulic oil is determined by the size of the gap of the first oil pipe 5, when the threaded block 34 is adjusted, the threaded block 34 moves left due to be in threaded engagement (as shown in fig. 5), so that the fixed column 33 drives the first blocking block 36 to move left, the gap is gradually increased, and the flow rate of the hydraulic oil is gradually increased, otherwise, the load of the compression rod 21 is gradually increased, and the load of the compression rod is increased.
The piston of the pressure lever 21 is provided with the one-way valve 22, the one-way valve 22 is communicated from bottom to top and is cut off from top to bottom, the arrangement can ensure that when the pressure lever 21 descends, hydraulic oil below the piston of the pressure lever 21 can be rapidly discharged above the piston, and when the pressure lever 21 ascends, the hydraulic oil cannot enter the lower part of the piston through the one-way valve 22 and only can enter the lower part of the piston from the regulating valve 3, the first oil pipe 5 and the pressure release mechanism 8, so that the resetting efficiency of the equipment is improved, and the experience of users is improved.
The sliding block 62 is fixedly connected with the loop bar 65, the spring 64 is elastically supported between the sliding block 62 and the stop block 63, the portion of the loop bar 65, which is sleeved inside the stop block 63, is four arc-shaped rods which are separated from each other, the stop block 63 is provided with four arc-shaped through grooves which are matched with the arc-shaped rods of the loop bar 65, such a structure can realize that the fixed column 33 is sleeved inside the loop bar 65 and also can be connected with the stop block 63, which is sleeved outside the loop bar 65, and the two automatic activity states are not affected with each other, the spring 64 is elastically supported on the sliding block 62, the sliding block 62 is pushed by hydraulic pressure in the main oil cylinder 2 and can slide leftwards along the inner cavity of the fixed sleeve 61 by overcoming the elastic force of the spring 64 (as shown in fig. 6), the sliding block 62 can push the end of the loop bar 65 to extend leftwards in the process of sliding leftwards, so that the end portion of the loop bar 65 is in contact with a contact (as shown in fig. 2), and the double throw switch 7 makes the motor 85 keep inactive when the second blocking block 81 blocks the connecting port of the connecting sleeve 84, thereby preventing hydraulic oil from flowing from the pressure release mechanism 8.
The fixing sleeve 61 is further fixedly sleeved with a limiting ring 66, the limiting ring 66 is located on the right side of the sliding block 62 and supports the sliding block 62, the limiting ring 66 is used for preventing the sliding block 62 from being separated from the fixing sleeve 61 due to the pushing force of a hand spring, and the sliding block 62 is prevented from being pushed into the inner cavity of the main oil cylinder 2 due to the maximum displacement towards the right side when the sliding block 62 is attached to the limiting ring 66.
The double-throw switch 7 is fixedly mounted on the inner side face of the main support 1, the outer end of the loop bar 65 supports against a contact of the double-throw switch 7, the pressure release mechanism 8 is further arranged at the top of the main oil cylinder 2, the double-throw switch 7 is located in a circuit loop of a motor 85 of the pressure release mechanism 8, and the double-throw switch 7 can control two different actions of forward rotation and reverse rotation of the motor 85 through different states of the contact.
The pressure release mechanism 8 comprises a connecting sleeve 84 communicated with the inner cavity of the main cylinder 2, a second blocking block 81 movably clamped and connected with the inner cavity of the connecting sleeve 84, a threaded column 82 in threaded connection with the inner cavity of the second blocking block 81, a motor 85 fixedly communicating the connecting sleeve 84 with the bottom of the inner cavity of the main cylinder 2, and a motor 85 fixedly installed on the main bracket 1 and in transmission connection with the threaded column 82, wherein the second blocking block 81 can only slide back and forth along the connecting sleeve 84 and cannot rotate, when the threaded column 82 rotates along with a transmission shaft of the motor 85, the second blocking block 81 can slide along the connecting sleeve 84 due to the threaded connection relationship between the second blocking block 81 and the threaded column 82, so that the second blocking block 81 is separated from blocking the connecting sleeve 84 and the connecting port of the main cylinder 2, hydraulic oil in the main cylinder 2 can directly flow into the connecting sleeve 84 and then flow to a second oil pipe 83, the motor 85 has two rotation states, when a contact of the double-throw switch 7 is contacted by the sleeve rod 65, the motor 85 drives the threaded column 82 to rotate until the connecting sleeve 84 to open the connecting sleeve 84, and the connecting sleeve 81 cannot be driven by the sliding of the double throw switch 7.
Wherein, the medial surface of main support 1 still fixed mounting has first fixed pulley 9, and the winding has the rope on the first fixed pulley 9, and fixed connection respectively in the top of depression bar 21 and the perpendicular connecting rod of loop bar 65 in the both ends of rope, the rope can be straightened gradually when depression bar 21 is for the downstream, and the rope can be loosened gradually when depression bar 21 upward movement.
When the piston of the pressure lever 21 is located at the bottom of the inner cavity of the main cylinder 2, the rope is in a tensioned state, the pressure lever 21 is located at the bottom of the inner cavity of the main cylinder 2, when the rope is tensioned, the loop bar 65 is also under the tension action of the rope, so that the loop bar 65 overcomes the elastic action of the spring 64 to prop against the contact of the double-throw switch 7, and after the pressure lever 21 is displaced upwards for a short distance, the rope gradually tends to loosen, so that the loose rope does not form effective tension on the loop bar 65 any more, and the main purpose of pulling the loop bar 65 by the rope is to enable the double-throw switch 7 to return to an initial state when the pressure lever 21 returns to an initial state, so that the motor 85 also returns to the initial state.
The pressing rod 21 is provided with a vertical rectangular through groove, the fixing column 33 penetrates through the vertical rectangular through groove and extends into the elastic mechanism 6, when the pressing rod 21 moves upwards, the action of the fixing column 33 is not influenced by the sliding of the pressing rod 21 due to the existence of the vertical rectangular through groove, the vertical through groove of the pressing rod 21 can be changed into two cylindrical piston rods with gaps in the middle, and the fixing column 33 can also penetrate through the middle of the two piston rods which are not in contact with each other, so that the functions are the same.
The working principle and the using process are as follows:
the adjusting handle 4 is adjusted externally, the thread block 34 is rotated, the thread block 34 moves leftwards due to thread engagement, then the fixing column 33 drives the first blocking block 36 to move leftwards, the first blocking block 36 moves leftwards, so that a gap between the first blocking block and the blocking sleeve 35 is gradually enlarged, the gradually enlarged gap can lead to that the flow rate of hydraulic oil is faster under the same pressure, the rising speed of the pressure rod 21 is faster, the training burden of the body builder is correspondingly reduced, and otherwise, the burden is increased;
the pressure release mechanism 8 is used for reducing pressure during training of a body builder, when a transmission shaft of the motor 85 rotates, due to the threaded connection relationship between the second blocking block 81 and the threaded column 82, the second blocking block 81 can slide along the connecting sleeve 84, so that the second blocking block 81 is separated from blocking a connecting port between the connecting sleeve 84 and the main oil cylinder 2, hydraulic oil in the main oil cylinder 2 can directly flow into the connecting sleeve 84 and then flow to the second oil pipe 83, the release of the hydraulic oil in the main oil cylinder 2 is accelerated through an extra hydraulic oil passage, the temporary burden of the training worker is relieved, the motor 85 has two rotation states, when a contact of the double-throw switch 7 is contacted by the sleeve rod 65, the motor 85 drives the threaded column 82 to rotate until the second blocking block 81 blocks the connecting port of the connecting sleeve 84 and cannot move, and when the surface of the double-throw switch 7 is not contacted by the sleeve rod 65, the motor 85 drives the threaded column 82 to slide the second blocking block 81 until the connecting port of the connecting sleeve 84 is opened;
because the fixed column 33 is fixedly connected with the stop block 63, when the adjusting screw block 34 moves, the fixed column 33 drives the stop block 63 to move together, the stop block 63 moves leftwards, the total length of the spring 64 is lengthened, the elastic force exerted on the slide block 62 is smaller, the stop block 63 moves rightwards, the total length of the spring 64 is reduced, the elastic force exerted on the slide block 62 is larger, the slide block 62 needs to overcome the elastic force of the spring 64 to push the loop bar 65 to be in contact with the double-throw switch 7, the pressure release mechanism 8 is not triggered, when the gap between the first sealing block 36 and the sealing sleeve 35 is enlarged, the elastic force of the spring 64 on the slide block 62 is reduced, the pressure release mechanism 8 can be kept from being triggered only by small hydraulic pressure, and particularly, the body-building personnel can keep constant-speed training without applying large force, the pressure release mechanism 8 does not need to work in an auxiliary mode, the triggering condition of the pressure release mechanism 8 is difficult, but when the gap between the first blocking block 36 and the blocking sleeve 35 is reduced, the elastic force of the spring 64 on the sliding block 62 is increased, so that the pressure release mechanism 8 can be kept not to be triggered by large hydraulic pressure, the training burden of the body-building personnel is increased, when the speed of the body-building personnel pulling the pull handle 11 to drag the pressure rod 21 to move upwards is slow, so that the oil pressure in the cavity of the main oil cylinder 2 cannot overcome the elastic force of the spring 64, the spring 64 supports against the sliding block 62 to move rightwards, the sleeve rod 65 is separated from contact with the double-throw switch 7, and the triggering condition of the pressure release mechanism 8 for reducing the burden of the body-building personnel on the pressure release mechanism 8 is relatively simple.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a body-building apparatus convenient to adjust fitness personnel training intensity, includes two sets of main supports (1), its characterized in that: a main oil cylinder (2) is fixedly installed at the bottom of the main support (1), a pressure rod (21) is movably sleeved in an inner cavity of the main oil cylinder (2), and an adjusting valve (3) and an elastic mechanism (6) are symmetrically arranged at the top end of the outer part of the main oil cylinder (2) respectively;
the adjusting valve (3) comprises a first oil cavity (31), a second oil cavity (32) fixedly connected and communicated with the first oil cavity (31), a thread block (34) in the second oil cavity (32) in a threaded sleeve manner, a plugging sleeve (35) fixedly installed in the first oil cavity (31), and a first plugging block (36) sleeved in the plugging sleeve (35), wherein the thread block (34) is fixedly connected with a fixed column (33), the fixed column (33) horizontally extends to the inside of the elastic mechanism (6), the inner cavity of the second oil cavity (32) is communicated with the bottom of the inner cavity of the main oil cylinder (2) through a first oil pipe (5), and an adjusting handle (4) is fixedly installed outside the thread block (34);
the elastic mechanism (6) comprises a fixed sleeve (61), a sliding block (62) and a stop block (63) which are sleeved in the fixed sleeve (61), a loop bar (65) which is sleeved in the stop block (63), and a spring (64) which is sleeved in the loop bar (65), wherein the fixed column (33) is fixedly connected with the stop block (63);
the top of the pressure lever (21) is connected with a pull rope, and the pull rope is wound on a second fixed pulley (10) fixedly arranged on the top of the main bracket (1) and is connected with a pull handle (11);
a double-throw switch (7) is fixedly installed on the inner side face of the main support (1), the outer end of the loop bar (65) props against a contact of the double-throw switch (7), a pressure release mechanism (8) is further arranged at the top of the main oil cylinder (2), and the double-throw switch (7) is electrically connected to a circuit loop of a motor (85) of the pressure release mechanism (8);
the pressure release mechanism (8) comprises a connecting sleeve (84) communicated with the inner cavity of the main oil cylinder (2), a second sealing block (81) movably clamped inside the connecting sleeve (84), a threaded column (82) in the second sealing block (81), a motor (85) fixedly communicated with the bottom of the inner cavity of the main oil cylinder (2) and fixedly arranged on the main support (1) and a motor (85) in transmission connection with the threaded column (82).
2. An exercise apparatus for facilitating the adjustment of the intensity of exercise of an exercising person, according to claim 1, wherein: the first blocking block (36) is fixedly installed on the surface of the fixed column (33), the first blocking block (36) is a circular truncated cone, a circular truncated cone groove matched with the first blocking block (36) in shape is formed in the inner side of the blocking sleeve (35), and the blocking sleeve (35) is communicated left and right.
3. An exercise apparatus for facilitating the adjustment of the intensity of exercise of an exercising person, according to claim 1, wherein: the piston of the pressure lever (21) is provided with a one-way valve (22), and the one-way valve (22) is communicated from bottom to top and is cut off from top to bottom.
4. An exercise apparatus for facilitating the adjustment of the intensity of exercise of an exercising person, according to claim 1, wherein: the sliding block (62) is fixedly connected with the sleeve rod (65), the spring (64) is elastically supported between the sliding block (62) and the stop block (63), the portion, sleeved inside the stop block (63), of the sleeve rod (65) is provided with four arc-shaped rods which are mutually separated, and the stop block (63) is provided with four arc-shaped through grooves matched with the arc-shaped rods of the sleeve rod (65).
5. An exercise apparatus for facilitating the adjustment of the intensity of exercise of an exercising person according to claim 4, wherein: the inside of fixed cover (61) still fixed mounting have spacing ring (66), spacing ring (66) are located the right side of slider (62) and support slider (62).
6. An exercise apparatus for facilitating the adjustment of the intensity of exercise of an exerciser according to claim 1, wherein: the inner side surface of the main support (1) is further fixedly provided with a first fixed pulley (9), a rope is wound on the first fixed pulley (9), and two ends of the rope are respectively and fixedly connected to the top end of the pressing rod (21) and the vertical connecting rod of the loop bar (65).
7. An exercise apparatus for facilitating the adjustment of an exercise intensity of an exerciser according to claim 6, wherein: when the piston of the pressure lever (21) is positioned at the bottom of the inner cavity of the main oil cylinder (2), the rope is in a tensioned state.
8. An exercise apparatus for facilitating the adjustment of the intensity of exercise of an exercising person, according to claim 1, wherein: a vertical rectangular through groove is formed in the pressure lever (21), and the fixing column (33) penetrates through the vertical rectangular through groove and extends to the inside of the elastic mechanism (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296803.2A CN114272570B (en) | 2021-11-04 | 2021-11-04 | Fitness equipment convenient to adjust fitness personnel training intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296803.2A CN114272570B (en) | 2021-11-04 | 2021-11-04 | Fitness equipment convenient to adjust fitness personnel training intensity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114272570A CN114272570A (en) | 2022-04-05 |
| CN114272570B true CN114272570B (en) | 2022-12-13 |
Family
ID=80869028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111296803.2A Active CN114272570B (en) | 2021-11-04 | 2021-11-04 | Fitness equipment convenient to adjust fitness personnel training intensity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114272570B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921819B (en) * | 2022-12-28 | 2023-07-07 | 滁州金诺实业有限公司 | Combined casting sand box casting tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1112494A (en) * | 1965-10-23 | 1968-05-08 | Exotronic Systems Ltd | Improvements in and relating to training apparatus |
| US4981199A (en) * | 1989-09-18 | 1991-01-01 | Dah Ken Industrial Co., Ltd. | Hydraulic cylinder for an exerciser |
| KR20050037271A (en) * | 2003-10-17 | 2005-04-21 | 송정식 | Exercise equipment |
| DE102006043799A1 (en) * | 2006-09-19 | 2008-03-27 | Josef Wallner | Fluid cylinder for training device, has lever pivotable around point, where cylinder is designed as dual acting cylinder with piston that divides part of inner area of housing into two chambers |
| CN103977530A (en) * | 2014-06-09 | 2014-08-13 | 吉首大学 | Water load type strength training device |
| CN111173879A (en) * | 2020-02-19 | 2020-05-19 | 浙江雷宸智能科技有限公司 | Resistance adjusting device and damper |
| CN112263810A (en) * | 2020-10-27 | 2021-01-26 | 陕西信诺威体育用品有限公司 | Arm strength training device for physical training |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070287612A1 (en) * | 2006-06-13 | 2007-12-13 | Byung Kwon Cha | Maximum muscle strengthening resistance device |
| TWI471157B (en) * | 2013-03-01 | 2015-02-01 | Univ Southern Taiwan Sci & Tec | Upper limb motion device with reciprocating and rotating cam by the resistance of water pressure |
-
2021
- 2021-11-04 CN CN202111296803.2A patent/CN114272570B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1112494A (en) * | 1965-10-23 | 1968-05-08 | Exotronic Systems Ltd | Improvements in and relating to training apparatus |
| US4981199A (en) * | 1989-09-18 | 1991-01-01 | Dah Ken Industrial Co., Ltd. | Hydraulic cylinder for an exerciser |
| KR20050037271A (en) * | 2003-10-17 | 2005-04-21 | 송정식 | Exercise equipment |
| DE102006043799A1 (en) * | 2006-09-19 | 2008-03-27 | Josef Wallner | Fluid cylinder for training device, has lever pivotable around point, where cylinder is designed as dual acting cylinder with piston that divides part of inner area of housing into two chambers |
| CN103977530A (en) * | 2014-06-09 | 2014-08-13 | 吉首大学 | Water load type strength training device |
| CN111173879A (en) * | 2020-02-19 | 2020-05-19 | 浙江雷宸智能科技有限公司 | Resistance adjusting device and damper |
| CN112263810A (en) * | 2020-10-27 | 2021-01-26 | 陕西信诺威体育用品有限公司 | Arm strength training device for physical training |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114272570A (en) | 2022-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210402257A1 (en) | Exercise Machine Adjustable Resistance System And Method | |
| US5263914A (en) | Weight machine | |
| CN114272570B (en) | Fitness equipment convenient to adjust fitness personnel training intensity | |
| US5803880A (en) | Stepper/climber exerciser | |
| KR200360382Y1 (en) | bench press | |
| US20070287612A1 (en) | Maximum muscle strengthening resistance device | |
| CN109107098B (en) | Sit-up body-building device | |
| TWI471157B (en) | Upper limb motion device with reciprocating and rotating cam by the resistance of water pressure | |
| CN109011333B (en) | Hydraulic buffering type arm strength device and using method thereof | |
| SE8306407L (en) | MUSCLE TRAINING DEVICE | |
| CN203763762U (en) | Combined training stretcher | |
| KR101747070B1 (en) | Fluid exercise device with phneumatic weight | |
| CN2705198Y (en) | Tread mill with series oil cylinder | |
| CN108499008B (en) | Brain-invigorating body-building equipment | |
| KR101796570B1 (en) | Exercise Device using Cylinder | |
| KR100688991B1 (en) | The upper part of the body sporting goods | |
| CN112007342A (en) | Sand bag is used in sports training of adjustable resistance size | |
| CN218636550U (en) | Combined spring-grip dumb-bells for exercising upper limbs | |
| CN214319025U (en) | Body-building arm strength training device | |
| CN212308762U (en) | Physical training device for track and field | |
| DE10220011A1 (en) | Fitness trainer has vacuum pump to raise water, and downpipes for water return and second downpipe to indicate number of strokes | |
| CN107854814B (en) | Biceps let-off training device | |
| CN116271701B (en) | Exercise bicycle with emergency brake function | |
| CN217612720U (en) | Barbell descent control device | |
| CN218357079U (en) | Novel pull cylinder chest expander |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cui Pengtao Inventor before: Cui Pengtao |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |