A dual resistance gravity pilates training device

Abstract

The application is suitable for the technical field of Pilates training, and provides a double-resistance gravity Pilates training device. The device comprises a vertical seat mechanism and a training mechanism. The training mechanism comprises a bearing part hingedly matched with a positioning part, a pressing part and a pulley part in plug-in locking mode. The positioning part is provided with a T-shaped guide groove and an oil storage cavity with built-in oil-absorbing cotton. When the bearing part reciprocally slides, the pressing part is triggered through a sliding rod, and silicon oil is pressed into the T-shaped guide groove from an oil outlet hole to realize automatic lubrication. The vertical seat mechanism drives an isosceles trapezoidal slide plate through a threaded rod to control the cooperation between a plug-in rod and plug-in holes with different heights, so as to realize the rapid adjustment of a lifting top plate. A handrail rod can be rotated and locked around a sleeve shaft to meet the demand of multi-posture training. The pulley part is in plug-in cooperation with a moving rod on a vertical plate and a positioning circular hole to realize the rapid disassembly and assembly of a movable pulley, and two resistance modes of no movable pulley and movable pulley are provided.

Description

Technical Field

[0001] This invention relates to the field of Pilates training technology, and more specifically, to a dual-resistance gravity Pilates training device. Background Technology

[0002] Pilates training devices are common fitness and rehabilitation equipment, among which the core bed-style sliding training device is widely used because it can simulate smooth sliding resistance training. Currently, Pilates training devices on the market typically include a standing mechanism and a sliding training mechanism. The trainee lies or sits on the support, with their feet against the pedals or their hands pulling the training ropes, driving the support to slide along the guide rail to achieve resistance training of the core muscle groups.

[0003] Currently, existing Pilates training devices still have the following shortcomings: In existing Pilates training equipment, the frictional resistance increases significantly after long-term reciprocating sliding between the support components and the guide rails during Pilates training, resulting in a decrease in training smoothness and affecting the training experience. At the same time, most existing equipment lacks an effective automatic lubrication structure, requiring manual and periodic addition of lubricating oil, which leads to inconvenience in operation and is prone to uneven lubrication or lubricating oil spillage that contaminates the equipment. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide a gravity Pilates training device that can intermittently trigger the extrusion component during the reciprocating sliding process of the bearing component, compressing the oil-absorbing cotton to allow silicone oil to leak from the oil outlet into the T-shaped guide groove, thereby achieving automatic and on-demand lubrication of the guide rail and rollers. This avoids the guide rail from drying out after long-term use, reduces sliding friction resistance, extends the service life of the equipment, and reduces the frequency of manual maintenance.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A dual-resistance gravity Pilates training device includes a standing mechanism and a training mechanism. The training mechanism includes a positioning component hinged to the standing mechanism. A bearing component is reciprocatingly slidably fitted inside the positioning component. Two symmetrical pressing components and a pulley component inserted and locked onto the positioning component are rotatably fitted inside the positioning component. The positioning component includes two symmetrically arranged transverse slides. T-shaped guide grooves are formed on opposite sides of each transverse slide. An inwardly extending oil storage cavity is formed on one side of each transverse slide. A sliding rod is slidably fitted through the bottom of each oil storage cavity. Both ends of the sliding rod are dome-shaped. A positioning ring is fixed to the circumferential side. A first spring, which is sleeved and fitted on the slide rod, is fixed between the positioning ring and the bottom of the oil storage cavity. Two sets of oil outlet holes are opened through the bottom of the two oil storage cavities on the side away from the slide rod. Oil-absorbing cotton is placed inside the two oil storage cavities. The round top part of the slide rod inside the oil storage cavity is in contact with the extruder. The round top part of the slide rod inside the T-shaped guide groove is in intermittent contact with the bearing. During the reciprocating sliding process of the bearing, the silicone oil stored inside the oil-absorbing cotton is squeezed out through the oil outlet holes and enters the T-shaped guide groove for lubrication and guidance.

[0006] The present invention is further configured such that: the extrusion component includes an extrusion arm that is rotatably fitted inside the oil storage cavity via a pin shaft, an extrusion plate that is fixed on the extrusion arm and intermittently extruded and adhered to the oil-absorbing cotton, an arc-shaped spring is fixed between the top of the extrusion arm and the top of the oil storage cavity, and a sealing plate that seals and covers the oil storage cavity is fixed on one of the opposite sides of the two transverse slides.

[0007] The present invention is further configured such that: the bearing member includes two symmetrically arranged limiting slide rail frames, each of the two limiting slide rail frames having a plurality of guide rollers that are slidably engaged in the T-shaped guide groove relative to the two inner side walls, and a receiving plate fixed between the two limiting slide rail frames, with a first protective pad provided on the top of the receiving plate.

[0008] The invention is further configured such that: a rotating plate is fixed on one side of each of the two transverse slides, and a U-shaped base is rotatably fitted to the opposite sides of the rotating plate via a rotating shaft; a pedal is inserted and locked to the opposite sides of the U-shaped base, and a second protective pad is fixed on one side of the pedal.

[0009] The invention is further configured such that: each of the two lateral sliding blocks has a guide cylinder that slides through and is engaged with one side of each of the two guide cylinders; each of the two guide cylinders has a limit plate fixed at one end; and each of the two guide cylinders has a hinge seat fixed at the other end of each of the two guide cylinders; the standing mechanism includes a columnar seat, on which a lifting top plate slides and is engaged, and two hinge plates that are respectively hinged to the two hinge seats are fixed on the side of the lifting top plate.

[0010] The invention is further configured such that: a rectangular groove is provided through the top of the lifting top plate; two symmetrical transverse rods are slidably fitted through the inner wall of the rectangular groove; the ends of the two transverse rods are threaded with limit caps outside the rectangular groove; a first displacement baffle is fixed to the ends of the two transverse rods inside the rectangular groove; a first isosceles trapezoidal slide plate is fixed to one side of the first displacement baffle; a second displacement baffle is fixed to one side of the first isosceles trapezoidal slide plate; and a fourth spring is fixed between the first displacement baffle and the rectangular groove, respectively sleeved on the two transverse rods.

[0011] The invention is further configured such that: a plurality of first insertion holes are provided through one side of the cylindrical base; two symmetrically arranged guide grooves that slide and engage with the cylindrical base are provided through the top of the lifting top plate; two insertion rods are provided through the two inner sidewalls of the rectangular groove, respectively sliding and engaging with the two guide grooves; side plates are fixed to the ends of the two insertion rods inside the two guide grooves; the other ends of the two insertion rods are dome-shaped inside the rectangular groove, and the dome-shaped ends of the two insertion rods slide in contact with the inclined surfaces of the two first isosceles trapezoidal sliding plates; a second spring is fixed between the side plate and the guide groove and sleeved on the insertion rod; the insertion rod is inserted and engaged with the first insertion holes; a threaded rod extending into the rectangular groove is threadedly connected to one side of the lifting top plate; the end of the threaded rod engages with a second displacement baffle through a bearing.

[0012] The invention is further configured such that: a sleeve shaft is fixed on each of the two opposite sides of the lifting top plate; a handrail is rotatably fitted to the circumferential side of the sleeve shaft via a bearing; a first connecting circular plate is fixed to the circumferential side of the sleeve shaft; a second connecting circular plate adapted to the first connecting circular plate is fixed to the circumferential side of the handrail; the first connecting circular plate and the second connecting circular plate are provided with a plurality of corresponding connecting holes; two semicircular plates are fixedly connected to the circumferential side of the handrail via bolts; a first ball joint seat is fixed to the outer wall of one of the semicircular plates; a first hinge ball is hinged inside the first ball joint seat; and a fixed pulley is fixed to the circumferential side of the first hinge ball.

[0013] The invention is further configured such that: two symmetrical vertical plates are fixed on the top of the receiving plate, and a movable rod is slidably fitted through one side of each of the two vertical plates; a circular plate is fixed at one end of the movable rod, and a third spring is fixed between the circular plate and the vertical plate and fitted onto the movable rod; the movable rod is dome-shaped relative to its other end face.

[0014] The invention is further configured such that: the pulley component includes an insertion seat that is inserted between two vertical plates, a second isosceles trapezoidal plate is fixed at the top inside the insertion seat, and positioning holes are opened on both inclined surfaces of the second isosceles trapezoidal plate, which are respectively inserted into the round top ends of two moving rods; a second ball hinge seat is fixed on one outer side of the insertion seat, a second hinge ball is ball hinged inside the second ball hinge seat, a movable pulley is fixed on the circumferential side of the second hinge ball, and a Pilates training rope is threaded between the movable pulley and the two fixed pulleys.

[0015] The advantages of this invention are: 1. This invention intermittently triggers the extrusion component during the reciprocating sliding process of the bearing component, compressing the oil-absorbing cotton to allow silicone oil to leak from the oil outlet into the T-shaped guide groove, thereby achieving automatic and on-demand lubrication of the guide rail and roller, avoiding the guide rail from drying out after long-term use, reducing sliding friction resistance, extending the service life of the equipment, and reducing the frequency of manual maintenance.

[0016] 2. This invention drives an isosceles trapezoidal slide plate by rotating a threaded rod, controlling the engagement and disengagement of the plug rod with plug holes of different heights on the cylindrical base, thereby realizing the rapid lifting and locking of the lifting top plate along the cylindrical base. This structure is easy to operate and can flexibly adapt to the training height needs of users of different heights.

[0017] 3. This invention utilizes the process of adjusting the angle by rotating the handrail around the sleeve shaft, and locks it with bolts or pins through the connecting holes on the connecting circular plate, thereby increasing the stability of the guide path of the fixed pulley on the handrail and meeting the tension training needs under different training postures.

[0018] 4. This invention enables the quick installation and removal of the movable pulley through the cooperation of the plug-in pulley component with the vertical plate, the moving rod, and the positioning hole. This allows users to choose between the no-moving-pulley mode and the moving-pulley mode according to their training needs. It is suitable for low-intensity, high-repetition endurance training or rehabilitation training, provides a smoother resistance curve, and improves the ease of use of the training device. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a dual-resistance gravity Pilates training device according to the present invention.

[0020] Figure 2 This is a schematic diagram of the support mechanism of the present invention.

[0021] Figure 3 This is a top view of the support mechanism of the present invention.

[0022] Figure 4 This is a schematic diagram of the training mechanism of the present invention.

[0023] Figure 5 This is a schematic diagram of the positioning component of the present invention.

[0024] Figure 6 For the present invention Figure 5 A magnified structural diagram of point A in the middle.

[0025] Figure 7 For the present invention Figure 5 A magnified structural diagram at point B in the middle.

[0026] Figure 8 This is a schematic diagram of the structure of the carrier component of the present invention.

[0027] Figure 9 This is a schematic diagram of the extrusion component of the present invention.

[0028] Figure 10 This is a schematic diagram of the pulley component of the present invention.

[0029] In the diagram: 1. Support mechanism; 2. Training mechanism; 3. Positioning component; 4. Bearing component; 5. Extrusion component; 6. Pulley component; 101. Column base; 102. Lifting top plate; 103. Hinge plate; 104. Rectangular groove; 105. Horizontal rod; 106. First displacement baffle; 107. First isosceles trapezoidal sliding plate; 108. Second displacement baffle; 109. Fourth spring; 110. Guide groove; 111. Insertion rod; 112. Side plate; 113. Second spring; 114. Threaded rod; 115. Sleeve shaft; 116. Handrail; 117. First connecting circular plate; 118. Second connecting circular plate; 119. Connecting hole; 120. Semicircular plate; 121. First ball joint seat; 122. First hinge ball; 123. Fixed pulley; 124. First insertion hole; 30 1. Horizontal slide block; 302. T-shaped guide groove; 303. Oil storage cavity; 304. Slide rod; 305. Positioning ring; 306. First spring; 307. Oil outlet hole; 308. Rotating plate; 309. Pedal; 310. Second protective pad; 311. Guide cylinder; 312. Hinge seat; 313. U-shaped base; 401. Limiting slide rail frame; 402. Guide roller; 403. Support plate; 404. First protective pad; 405. Vertical plate; 406. Moving rod; 407. Circular plate; 408. Third spring; 501. Extrusion arm; 502. Extrusion plate; 503. Arc spring; 601. Insertion seat; 602. Second isosceles trapezoidal plate; 603. Positioning circular hole; 604. Second ball hinge seat; 605. Second hinge ball; 606. Movable pulley. Detailed Implementation

[0030] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0032] In this invention, unless otherwise stated, the directional terms such as "up" and "down" generally refer to the directions shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" generally refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not intended to limit this invention.

[0033] Example 1, please refer to Figures 1-9 The present invention provides the following technical solution: a dual-resistance gravity Pilates training device, specifically comprising a standing mechanism 1 and a training mechanism 2. The training mechanism 2 includes a positioning component 3 hinged to the standing mechanism 1. A bearing component 4 is reciprocatingly slidably fitted inside the positioning component 3. Two symmetrical pressing components 5 and a pulley component 6 inserted and locked onto the positioning component 3 are rotatably fitted inside the positioning component 3. The positioning component 3 includes two symmetrically arranged transverse slides 301. T-shaped guide grooves 302 are opened on opposite sides of the two transverse slides 301. An inwardly extending oil storage cavity 303 is opened on one side of each of the two transverse slides 301. A sliding rod 304 is slidably fitted through the bottom of each of the two oil storage cavities 303. Both ends of the sliding rod 304 are dome-shaped. A positioning ring 305 is fixed to the side of the 04. A first spring 306, which is sleeved and fitted on the slide rod 304, is fixed between the positioning ring 305 and the bottom of the oil storage cavity 303. Two sets of oil outlet holes 307 are opened through the bottom of the two oil storage cavities 303 on the side away from the slide rod 304. Oil-absorbing cotton is placed inside the two oil storage cavities 303. The round top part of the slide rod 304 inside the oil storage cavity 303 is in contact with the extruder 5. The round top part of the slide rod 304 inside the T-shaped guide groove 302 is in intermittent contact with the bearing 4. During the reciprocating sliding process, the bearing 4 squeezes the silicone oil stored inside the oil-absorbing cotton through the intermittent contact process with the slide rod 304 and leaks out from the oil outlet hole 307 into the T-shaped guide groove 302 for lubrication and guidance.

[0034] Furthermore, the extrusion member 5 includes an extrusion arm 501 rotatably fitted inside the oil storage cavity 303 via a pin. An extrusion plate 502 is fixed on the extrusion arm 501 to intermittently extrude and adhere to the oil-absorbing cotton. An arc-shaped spring 503 is fixed between the top of the extrusion arm 501 and the top of the oil storage cavity 303. A sealing plate that seals and covers the oil storage cavity 303 is fixed on the opposite side of each of the two transverse slide blocks 301. The bearing member 4 includes two symmetrically arranged limiting slide rail frames 401. Several guide rollers 402 that slide in the T-shaped guide groove 302 are rotatably fitted to each of the two limiting slide rail frames 401 relative to their two inner sidewalls. A receiving plate 403 is fixed between the two limiting slide rail frames 401. A first protective pad 404 is provided on the top of the receiving plate 403.

[0035] The specific application of this embodiment is as follows: This invention is applicable to Pilates core bed-type flat rail sliding training, completely reproducing the entire process of the bearing 4 reciprocating and sliding during training, thereby triggering the squeezing and oil supply to automatically lubricate the internal rail. During training, the user lies down or sits on the bearing 4, with their feet against the pedal 309 or their hands pulling the Pilates training rope, driving the bearing 4 to reciprocate along the T-shaped guide groove 302 of the positioning component 3; when the bearing 4 slides, the guide rollers 402 inside the limiting slide rail frames 401 on both sides roll along the T-shaped guide groove 302 to reduce sliding friction. At the same time, the guide rollers 402 intermittently contact the rounded top of the slide rod 304 located in the T-shaped guide groove 302, pushing the slide rod 304 to slide along the bottom of the oil storage cavity 303, thereby driving the movement of the slide rod 304 to drive the internal rail. The rounded tip at the other end presses the extrusion arm 501 in the extrusion component 5, causing the extrusion arm 501 to rotate around the pin. The extrusion plate 502 then presses the oil-absorbing cotton in the oil storage cavity 303. The silicone oil absorbed in the oil-absorbing cotton is squeezed out and slowly leaks into the T-shaped guide groove 302 through the oil outlet 307, automatically lubricating the contact surface between the guide roller 402 and the T-shaped guide groove 302. To ensure the long-term reliability of the automatic lubrication system, the oil storage cavity 303 is equipped with a removable sealing plate. When the silicone oil in the oil-absorbing cotton is depleted due to long-term operation of the equipment, the user can remove the sealing plate and add silicone oil directly through the opening of the oil storage cavity 303, or replace the oil-absorbing cotton. This design not only ensures the continuous supply of lubricating oil, but also prevents the overflow problem caused by excessive addition, achieving efficient and clean maintenance of the equipment. When the guide roller 402 disengages from the slide bar 304, the first spring 306 pushes the slide bar 304 back to its original position, the arc spring 503 drives the extrusion arm 501 to return to its original position, the extrusion plate 502 stops pressing the oil-absorbing cotton, and the oil supply process pauses. This process repeats, enabling the carrier component 4 to trigger an intermittent, on-demand automatic lubrication mechanism during each sliding stroke. This prevents the T-shaped guide groove 302 from drying out after prolonged use, reduces frictional resistance, extends the service life of the guide rail and rollers, and reduces the frequency of manual maintenance. Furthermore, the first protective pad 404 on top of the carrier component 4 provides comfortable contact support for the user, and the sealing plates on both sides of the transverse slide block 301 effectively prevent silicone oil overflow, keeping the equipment clean. Ultimately, through the above structure and working process, this embodiment achieves efficient, automatic, and on-demand lubrication of the sliding track in the Pilates training device, significantly improving the smoothness of training and the durability of the equipment.

[0036] Example 2, please refer to Figures 1-9This second embodiment is an improvement on the first embodiment as follows: Specifically, a rotating plate 308 is fixed to one side of each of the two transverse slides 301. A U-shaped base 313 is rotatably fitted to the opposite sides of the rotating plate 308 via a rotating shaft. A pedal 309 is inserted and locked to the opposite sides of the U-shaped base 313. A second protective pad 310 is fixed to one side of the pedal 309. Guide cylinders 311 are slidably fitted through the opposite sides of each of the two transverse slides 301. A limit plate is fixed to one end of each guide cylinder 311, and a hinge seat 312 is fixed to the opposite end of each guide cylinder 311. The standing mechanism 1 includes a columnar base 101, on which a lifting top plate 102 is slidably fitted. The lifting top plate 102 has a side... Two hinge plates 103 are fixedly hinged to two hinge seats 312 respectively; a rectangular groove 104 is opened through the top of the lifting top plate 102, and two symmetrical horizontal rods 105 are slidably fitted through the inner wall of the rectangular groove 104. The ends of the two horizontal rods 105 are threaded with limit caps outside the rectangular groove 104, and a first displacement baffle 106 is fixed inside the rectangular groove 104 at the ends of the two horizontal rods 105. A first isosceles trapezoidal slide plate 107 is fixed to one side of the first displacement baffle 106, and a second displacement baffle 108 is fixed to one side of the first isosceles trapezoidal slide plate 107. A fourth spring 10 is fixed between the first displacement baffle 106 and the rectangular groove 104, respectively sleeved on the two horizontal rods 105. 9; A plurality of first insertion holes 124 are provided through one side of the cylindrical base 101; two guide grooves 110 symmetrically arranged and slidingly engaged with the cylindrical base 101 are provided through the top of the lifting top plate 102; two insertion rods 111 are provided through the two inner walls of the rectangular groove 104, respectively slidingly engaged with the two guide grooves 110; the ends of the two insertion rods 111 are respectively fixed with side plates 112 inside the two guide grooves 110; the other ends of the two insertion rods 111 are respectively dome-shaped inside the rectangular groove 104, and the dome-shaped ends of the two insertion rods 111 slide in contact with the inclined surfaces of the two first isosceles trapezoidal sliding plates 107; the side plates 112 are fixedly fitted with the guide grooves 110 in a sleeve-like manner. The second spring 113 on the plug rod 111 is plugged into the first plug hole 124. The lifting top plate 102 is threadedly connected to a threaded rod 114 extending into the rectangular groove 104. The end of the threaded rod 114 is engaged with the second displacement baffle 108 through a bearing. The lifting top plate 102 is fixed with a sleeve shaft 115 on both opposite sides. The sleeve shaft 115 is rotatably engaged with a handrail 116 through a bearing. The sleeve shaft 115 is fixed with a first connecting round plate 117 on its circumference. The handrail 116 is fixed with a second connecting round plate 118 that matches the first connecting round plate 117 on its circumference. The first connecting round plate 117 and the second connecting round plate 118 are provided with a plurality of corresponding connecting holes 119.The handrail 116 has two semicircular plates 120 fixedly connected to its sides by bolts. One of the semicircular plates 120 has a first ball joint seat 121 fixed to its outer wall. Inside the first ball joint seat 121, a first hinge ball 122 is ball-jointed. A fixed pulley 123 is fixed to the side of the first hinge ball 122. Two symmetrical vertical plates 405 are fixed to the top of the receiving plate 403. A sliding rod 406 is slidably fitted through one side of each vertical plate 405. A circular plate 407 is fixed to one end of the sliding rod 406. A third spring 408, sleeved on the sliding rod 406, is fixed between the circular plate 407 and the vertical plate 405. The sliding rod 406… The other end face is dome-shaped; the pulley component 6 includes a plug-in seat 601 that is inserted between two vertical plates 405. A second isosceles trapezoidal plate 602 is fixed to the top of the plug-in seat 601. The two inclined surfaces of the second isosceles trapezoidal plate 602 are respectively provided with positioning holes 603 that are inserted into the dome-shaped ends of two moving rods 406. A second ball joint seat 604 is fixed to one outer side of the plug-in seat 601. A second hinge ball 605 is hinged inside the second ball joint seat 604. A movable pulley 606 is fixed to the circumference of the second hinge ball 605. A Pilates training rope is threaded between the movable pulley 606 and the two fixed pulleys 123.

[0037] The specific application of this embodiment two is as follows: Based on embodiment one, this embodiment two further integrates the quick assembly and disassembly and resistance adjustment functions of the seat mechanism 1, the height adjustment structure, the armrest angle adjustment structure and the pulley component 6 to form a complete dual-resistance gravity Pilates training system, which is suitable for Pilates core training scenarios with multiple postures and intensities. In practical use, the user rotates the threaded rod 114 according to their height and training needs, driving the second displacement baffle 108 and the first isosceles trapezoidal slide plate 107 to move horizontally along the rectangular groove 104; the inclined surface of the first isosceles trapezoidal slide plate 107 presses against the rounded top end of the plug rod 111, pushing the plug rod 111 to overcome the elastic force of the second spring 113, causing its end to disengage from the first plug hole 124 on the cylindrical seat 101; after the plug rod 111 is completely withdrawn from the first plug hole 124, the lifting top plate 102 can freely rise and fall along the cylindrical seat 101; after adjusting to a suitable height, the threaded rod 114 is rotated in the opposite direction, the first isosceles trapezoidal slide plate 107 retracts, and the plug rod 111 is reinserted into the first plug hole 124 of the corresponding height under the action of the second spring 113, thereby locking the lifting top plate 102. This adjustment method has a compact structure, is easy to operate, and can adapt to the training height needs of users of different heights; To meet the needs of tension training in different postures, the user can rotate the handrail 116 around the sleeve shaft 115 to adjust to a comfortable operating angle. Then, by passing bolts or pins through the corresponding connecting holes 119 on the first connecting round plate 117 and the second connecting round plate 118, the two are fixed and locked, thereby locking the angle of the handrail 116. The first ball joint seat 121 and the fixed pulley 123 fixed on the handrail 116 by the semi-circular plate 120 can keep the guide path of the training rope stable after the angle is adjusted, thus meeting the needs of tension training in different postures. When performing Pilates training, users can choose whether to install pulley 6 to change the resistance mode according to the training intensity required: No-pulley mode (direct tension training): without installing pulley 6, the Pilates training rope directly passes over the two fixed pulleys 123 and connects to the handles or foot covers, and the bearing 4 slides along the T-shaped guide groove 302 under the tension of the training rope. Adding pulley mode: Insert the connector 601 between the two vertical plates 405. The two inclined surfaces of the second isosceles trapezoidal plate 602 respectively press the rounded tops of the two moving rods 406, causing the moving rods 406 to retract outward against the third spring 408. When the connector 601 is in place, the moving rods 406 are reset under the action of the third spring 408, and their rounded tops are inserted into the positioning holes 603 on the second isosceles trapezoidal plate 602, realizing the automatic locking of the pulley component 6. To further improve the structural reliability of the pulley component 6 under dynamic high-frequency vibration, a depth guide section is provided at the mating point between the moving rod 406 and the positioning hole 603. When the pulley component 6 is in the locked state, the preload of the third spring 408 ensures that the moving rod 406 is completely fitted into the positioning hole 603, forming a mechanical interlock. In addition, the connector 601 and the vertical plate 405 are locked together. A limiting block is set between the plates 405. Even under extreme tensile load, the limiting block can prevent the pulley 6 from unexpectedly disengaging due to vibration or displacement. At this time, the Pilates training rope passes through the fixed pulley 123 on one side, the movable pulley 606, and the fixed pulley 123 on the other side in sequence, forming a movable pulley resistance amplification mechanism. According to the principle of the movable pulley, the tension of the training rope is about 1 / 2 of the direct tension, but the moving distance of the bearing 4 is doubled. The trainee can obtain a longer sliding stroke and a smoother resistance curve, which is suitable for low-intensity, high-repetition endurance training or rehabilitation training. Similarly, when it is necessary to remove the pulley 6 to restore the high-intensity training mode, simply pull the circular plate 407 outward to make the round top of the moving rod 406 exit the positioning round hole 603, and the plug 601 can be easily pulled out to achieve quick switching.

[0038] Obviously, the embodiments described above are merely some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention.

[0039] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0040] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

[0042] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A dual-resistance gravity Pilates training device, comprising a standing mechanism (1) and a training mechanism (2), characterized in that: The training mechanism (2) includes a positioning component (3) hinged to the standing mechanism (1), a bearing component (4) reciprocatingly sliding inside the positioning component (3), two symmetrical pressing components (5) rotating inside the positioning component (3), and a pulley component (6) inserted and locked on the positioning component (3). The positioning component (3) includes two symmetrically arranged transverse slides (301). T-shaped guide grooves (302) are provided on opposite sides of each of the two transverse slides (301). An inwardly extending oil storage cavity (303) is provided on one side of each of the two transverse slides (301). A sliding rod (304) is slidably fitted through the bottom of each of the two oil storage cavities (303). Both ends of the sliding rod (304) are dome-shaped. A positioning ring (305) is fixed to the periphery of the sliding rod (304). A first spring (306) fitted onto the sliding rod (304) is fixed between the positioning ring (305) and the bottom of each oil storage cavity (303). The two oil storage cavities (304)... 03) Two sets of oil outlet holes (307) are provided on the side of the inner bottom away from the slide rod (304). Oil-absorbing cotton is placed inside the two oil storage cavities (303). The round top part of the slide rod (304) inside the oil storage cavity (303) is in contact with the extruder (5). The round top part of the slide rod (304) inside the T-shaped guide groove (302) is in intermittent contact with the bearing (4). During the reciprocating sliding process, the bearing (4) squeezes the silicone oil stored inside the oil-absorbing cotton through the intermittent contact process with the slide rod (304) and leaks out from the oil outlet hole (307) into the T-shaped guide groove (302) for lubrication and guidance.

2. The dual-resistance gravity Pilates training device according to claim 1, characterized in that: The extrusion component (5) includes an extrusion arm (501) that is rotatably fitted inside the oil storage cavity (303) via a pin. An extrusion plate (502) is fixed on the extrusion arm (501) to intermittently press and adhere to the oil-absorbing cotton. An arc spring (503) is fixed between the top of the extrusion arm (501) and the top of the oil storage cavity (303). A sealing plate that seals and covers the oil storage cavity (303) is fixed on one side of each of the two transverse slides (301) facing away from each other.

3. The dual-resistance gravity Pilates training device according to claim 1, characterized in that: The carrier (4) includes two symmetrically arranged limiting slide rail frames (401). The two limiting slide rail frames (401) are rotatably fitted with several guide rollers (402) that are slidably fitted inside the T-shaped guide groove (302) on their two inner sidewalls. A receiving plate (403) is fixed between the two limiting slide rail frames (401). A first protective pad (404) is provided on the top of the receiving plate (403).

4. The dual-resistance gravity Pilates training device according to claim 3, characterized in that: Two transverse slides (301) are fixed with a rotating plate (308) on one side. The rotating plate (308) is rotated and fitted with a U-shaped base (313) on both sides of the opposite side via a rotating shaft. The U-shaped base (313) is inserted and locked with a pedal (309) on both sides of the opposite side. A second protective pad (310) is fixed on one side of the pedal (309).

5. The dual-resistance gravity Pilates training device according to claim 4, characterized in that: The two transverse slide blocks (301) are slidably fitted with guide cylinders (311) on opposite sides. One end of each guide cylinder (311) is fixed with a limit plate, and the other end of each guide cylinder (311) is fixed with a hinge seat (312). The support mechanism (1) includes a column base (101), on which a lifting top plate (102) is slidably fitted. Two hinge plates (103) are fixed on the side of the lifting top plate (102) and are respectively hinged to two hinge seats (312).

6. The dual-resistance gravity Pilates training device according to claim 5, characterized in that: The top of the lifting top plate (102) is provided with a rectangular groove (104). Two symmetrical horizontal rods (105) are slidably fitted through the inner wall of the rectangular groove (104). The ends of the two horizontal rods (105) are threaded and positioned with limit caps outside the rectangular groove (104). The ends of the two horizontal rods (105) are fixed inside the rectangular groove (104) with a first displacement baffle (106). A first isosceles trapezoidal slide plate (107) is fixed on one side of the first displacement baffle (106). A second displacement baffle (108) is fixed on one side of the first isosceles trapezoidal slide plate (107). A fourth spring (109) is fixed between the first displacement baffle (106) and the rectangular groove (104) and is respectively sleeved on the two horizontal rods (105).

7. The dual-resistance gravity Pilates training device according to claim 6, characterized in that: The cylindrical base (101) has several first insertion holes (124) through one side. The top of the lifting top plate (102) has two guide grooves (110) symmetrically arranged and slidingly engaged with the cylindrical base (101). The rectangular groove (104) has two insertion rods (111) through its two inner sidewalls, which are respectively slidably engaged with the two guide grooves (110). The ends of the two insertion rods (111) are respectively fixed with side plates (112) inside the two guide grooves (110). The other ends of the two insertion rods (111) are respectively dome-shaped inside the rectangular groove (104), and the dome-shaped tops of the two insertion rods (111) are respectively in sliding contact with the inclined surfaces of the two first isosceles trapezoidal sliding plates (107). A second spring (113) is fixed between the side plate (112) and the guide groove (110) and is sleeved on the plug rod (111). The plug rod (111) is plugged into the first plug hole (124). A threaded rod (114) extending into the rectangular groove (104) is threadedly connected to one side of the lifting top plate (102). The end of the threaded rod (114) is engaged with the second displacement baffle (108) through a bearing.

8. The dual-resistance gravity Pilates training device according to claim 7, characterized in that: The lifting top plate (102) is fixed with a sleeve shaft (115) on both opposite sides. The sleeve shaft (115) is rotatably fitted with a handrail (116) through a bearing. A first connecting round plate (117) is fixed on the sleeve shaft (115). A second connecting round plate (118) that is adapted to the first connecting round plate (117) is fixed on the handrail (116). The first connecting round plate (117) and the second connecting round plate (118) are provided with a plurality of corresponding connecting holes (119). The handrail (116) is fixedly connected to two semicircular plates (120) by bolts on its periphery. One of the semicircular plates (120) has a first ball hinge seat (121) fixed on its outer wall. The first ball hinge seat (121) has a first hinge ball (122) in a ball hinge joint inside. The first hinge ball (122) has a fixed pulley (123) fixed on its periphery.

9. The dual-resistance gravity Pilates training device according to claim 3, characterized in that: The top of the receiving plate (403) is fixed with two symmetrical vertical plates (405). A sliding rod (406) is slidably fitted through one side of each of the two vertical plates (405). A circular plate (407) is fixed to one end of the sliding rod (406). A third spring (408) is fixed between the circular plate (407) and the vertical plate (405) and fitted onto the sliding rod (406). The sliding rod (406) is dome-shaped relative to the other end face.

10. A dual-resistance gravity Pilates training device according to claim 8, characterized in that: The pulley component (6) includes a plug-in seat (601) that is plugged into two vertical plates (405). A second isosceles trapezoidal plate (602) is fixed at the top inside the plug-in seat (601). The two inclined surfaces of the second isosceles trapezoidal plate (602) are provided with positioning round holes (603) that are plugged into the round tops of the two moving rods (406). A second ball hinge seat (604) is fixed on one outer side of the plug-in seat (601). A second hinge ball (605) is hinged inside the second ball hinge seat (604). A movable pulley (606) is fixed on the periphery of the second hinge ball (605). A Pilates training rope is threaded between the movable pulley (606) and the two fixed pulleys (123).

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