An adjustable angle 3D Smith machine

Abstract

The present invention provides an angle-adjustable 3D Smith machine, which relates to the technical field of fitness equipment, including a connecting crossbeam, a supporting column and a supporting frame, wherein the connecting crossbeam is provided with two groups, and the supporting column and the supporting frame are respectively arranged at the front and rear ends below the connecting crossbeam, and connecting shafts are arranged at the upper and lower parts between the two groups of the supporting frames; the present invention uses the connecting shaft as the axis for the swing of the upper sliding rod and the lower sliding rod, and utilizes the upper sliding rod, the lower sliding rod and the connecting suspension rod to form a double crank mechanism to realize the synchronous swing of the upper sliding rod and the lower sliding rod and change the inclination angle, and after the lower sliding rod passes through the adjusting groove and cooperates with the angle locking component to lock the angle of the lower sliding rod, a barbell bar is used to move along the sliding guide rod through the sliding connecting sleeve to realize the movement of the barbell bar in various directions and the stable displacement of the inclination angle, so that the adjustment of the sliding angle of the barbell bar becomes practical and meets more sports requirements of athletes.

Description

Technical Field

[0001] The invention relates to the technical field of fitness equipment, and in particular to a 3D Smith machine with adjustable angle. Background Art

[0002] With the improvement of people's living standards, fitness has become one of the indispensable sports for many people after work and study, and the fitness equipment industry has also developed rapidly;

[0003] The Smith machine is one of the most commonly used fitness equipment in the gym. Fitness people can use the Smith machine to practice training movements such as squats, deadlifts, bench presses, and rowing. The traditional Smith machine is connected to the Smith machine frame through a guide rod so that the movement trajectory of the barbell has only one sliding angle, which cannot meet the fitness people's requirements for performing more training movements, nor can it allow people with different joint mobility to use a more suitable movement trajectory for training. Therefore, the present invention proposes an adjustable angle 3D Smith machine to solve the problems existing in the prior art. Summary of the invention

[0004] In view of the above problems, the present invention proposes an adjustable angle 3D Smith machine. When adjusting the motion trajectory, the adjustable angle 3D Smith machine uses the connecting shaft as the axis for the swing of the upper sliding rod and the lower sliding rod, and utilizes the upper sliding rod, the lower sliding rod and the connecting suspension rod to form a double crank mechanism to realize the synchronous swing of the upper sliding rod and the lower sliding rod and change the inclination angle. After the lower sliding rod passes through the adjustment groove and cooperates with the angle locking assembly to lock the angle of the lower sliding rod, the barbell bar is moved along the sliding guide rod through the sliding connecting sleeve to realize the movement of the barbell bar in various directions and the smooth displacement of the inclination angle, so that the adjustment of the sliding angle of the barbell bar becomes feasible, which meets more exercise requirements of athletes and allows athletes to choose a trajectory that is more suitable for the body structure for safe and stable exercises when doing squats, bench presses and other movements.

[0005] To achieve the purpose of the present invention, the present invention is implemented through the following technical solutions: an angle-adjustable 3D Smith machine, comprising a connecting crossbeam, a supporting column and a supporting frame, the connecting crossbeam is provided with two groups, the supporting column and the supporting frame are respectively arranged at the front and rear ends below the connecting crossbeam, connecting shafts are provided at the upper and lower parts between the two groups of the supporting frames, and the two ends of the two groups of the connecting shafts respectively extend to the inner sides of the two groups of the supporting frames and are rotatably installed with shaft connecting sleeves, the two groups of the shaft connecting sleeves at the upper ends are provided with upper sliding rods, the two groups of the shaft connecting sleeves at the lower ends are provided with lower sliding rods, a connecting suspension rod is hinged between the upper sliding rod and the lower sliding rod on the same side, a connecting sleeve is movably installed on the upper sliding rod and the lower sliding rod, a sliding guide rod is connected between the two groups of the connecting sleeves on the same side, and a sliding connecting sleeve is movably installed on the sliding guide rod, and a barbell bar is provided between the two groups of the sliding connecting sleeves;

[0006] An adjustment slot is provided below the front end of the support column, and the front end of the lower sliding rod passes through the adjustment slot. An angle locking assembly is provided below the front end of the support column, and the angle locking assembly is used to fix the front end of the lower sliding rod. A suspension assembly is provided on the inner side of the support frame, and the suspension assembly is used to hang the barbell bar.

[0007] A further improvement is that a connecting beam is connected between the two groups of connecting sleeves at the upper end.

[0008] A further improvement is that the suspension assembly includes a swing suspension rod and a protrusion, the swing suspension rod is provided with two groups, and the upper ends of the two groups of swing suspension rods are respectively connected to the two groups of shaft connecting sleeves at the upper ends, the protrusions are provided in multiple groups at equal intervals and are arranged on the side walls of the swing suspension rod, and hooks matching the protrusions are provided on both sides of the barbell bar.

[0009] A further improvement is that a fixed rod is provided near the bottom of the support frame, the end shaft of the swing suspension rod is connected to a clamping plate, a row of clamping slots are evenly opened on the bottom edge of the clamping plate, one of the clamping slots is clamped on the fixed rod, and an operating rod is fixed between the ends of the two clamping plates.

[0010] Further improvements are: the angle locking assembly includes a sliding rail, a lifting rod and an angle connecting sleeve, the sliding rail is provided with two groups and is respectively arranged below the front end of the two groups of supporting columns, the inner side of the sliding rail is provided with a sliding groove, and a slider is movably installed in the sliding groove, the lifting rod is arranged between the two groups of sliders, the angle connecting sleeve is provided with two groups and is respectively rotatably installed on both sides of the lifting rod, and the front ends of the two groups of lower sliding rods respectively movably pass through the two groups of angle connecting sleeves.

[0011] Further improvements are: the first sliding hoop and the second sliding hoop are movably sleeved on both sides of the outside of the pulling rod, and the first sliding hoop and the second sliding hoop on the same side are connected with handles, and the outer sides of the second sliding hoops on both sides are connected with latch rods, the slide rail is provided with sockets, and multiple groups of sockets are equidistantly provided, the latch rod movably passes through the slider and is adapted to the sockets, and a reset spring is connected between the first sliding hoops on both sides.

[0012] A further improvement is that baffles are provided on the inner sides of the support columns and support frames, and buckles are provided on the inner sides of the baffles, and multiple groups of buckles are provided at equal intervals, and a shock absorbing assembly is installed between the support columns and support frames on the same side through the buckles.

[0013] A further improvement is that the shock absorbing assembly includes a fixed block, a fixed plate and a movable plate, the fixed blocks are provided with two groups, the fixed plate is fixedly arranged below between the two groups of fixed blocks, the movable plate is movably arranged above between the two groups of fixed blocks, a shock absorbing spring is connected between the fixed plate and the movable plate, and the outer sides of the two groups of fixed blocks are provided with buckles that are compatible with the snaps.

[0014] A further improvement is that a horizontal connecting rod is provided above the two groups of supporting columns, and a plurality of pull-up handles are provided at the front end of the horizontal connecting rod.

[0015] The beneficial effects of the present invention are:

[0016] 1. When adjusting the motion trajectory, the present invention uses the connecting shaft as the axis for the upper sliding rod and the lower sliding rod to swing, and utilizes the upper sliding rod, the lower sliding rod and the connecting suspension rod to form a double crank mechanism to realize the synchronous swing of the upper sliding rod and the lower sliding rod and change the inclination angle. After the lower sliding rod passes through the adjustment groove and cooperates with the angle locking assembly to lock the angle of the lower sliding rod, the barbell bar is moved along the sliding guide rod through the sliding connecting sleeve to realize the movement of the barbell bar in various directions and the stable displacement of the inclination angle, so that the adjustment of the sliding angle of the barbell bar becomes feasible, meets more sports requirements of athletes, and allows athletes to choose a trajectory that is more suitable for the body structure to perform safe and stable exercises when doing squats, bench presses and other actions.

[0017] 2. The present invention pulls the handle to pull the latch rod out of the socket, pulls the lifting rod to change the angle of the front end of the lower sliding rod, releases the handle, and uses the action of the reset spring to insert the latch rod into a suitable socket for fixation. The lifting and lowering trajectory of the barbell bar can be stably adjusted within 15 degrees by the inclination of the lower sliding rod, which is convenient to adjust and more stable.

[0018] 3. The present invention utilizes the protrusion of the suspension assembly to hook the hook of the barbell bar, so as to facilitate storage at any time. In this process, the function of the shock-absorbing assembly is utilized to allow the movable plate to achieve the function of buffering and shock absorption through the shock-absorbing spring, so as to achieve the purpose of reducing noise and impact when the barbell bar falls onto the movable plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a perspective view of the present invention from an angle;

[0020] Figure 2 Another perspective view of the present invention after partially hiding the support frame;

[0021] Figure 3 It is a schematic diagram of the angle locking assembly of the present invention;

[0022] Figure 4 It is a schematic diagram of the shock absorbing assembly of the present invention.

[0023] Among them: 1. Connecting beam; 2. Support column; 3. Support frame; 4. Connecting shaft; 5. Shaft connecting sleeve; 6. Upper sliding rod; 7. Lower sliding rod; 8. Connecting suspension rod; 9. Connecting sliding sleeve; 10. Sliding guide rod; 11. Sliding connecting sleeve; 12. Barbell bar; 13. Adjusting slot; 14. Connecting beam; 15. Swinging suspension rod; 16. Protrusion; 17. Hook; 18. Slide rail; 19. Lifting rod; 20. Angle connecting sleeve; 21. Slide Groove; 22, slider; 23, first sliding hoop; 24, second sliding hoop; 25, handle; 26, latch rod; 27, socket; 28, return spring; 29, baffle; 30, buckle; 31, fixed block; 32, fixed plate; 33, movable plate; 34, shock-absorbing spring; 35, buckle; 36, horizontal connecting rod; 37, multi-position pull-up handle; 41, barbell plate rack; 42, fixed rod; 43, clamping plate; 44, bayonet; 45, operating lever. DETAILED DESCRIPTION

[0024] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0025] Embodiment 1

[0026] according to Figure 1 , 2 As shown in Figure 3, this embodiment proposes an adjustable angle 3D Smith machine, including a connecting beam 1, a supporting column 2 and a supporting frame 3, wherein the connecting beam 1 is provided with two groups, and the supporting column 2 and the supporting frame 3 are respectively arranged at the front and rear ends below the connecting beam 1, and connecting shafts 4 are provided at the upper and lower parts between the two groups of the supporting frames 3, and the two ends of the two groups of the connecting shafts 4 respectively extend to the inner sides of the two groups of the supporting frames 3 and are rotatably installed with shaft connecting sleeves 5, and the two groups of the shaft connecting sleeves 5 at the upper ends are provided with upper sliding rods 6, and the two groups of the shaft connecting sleeves 5 at the lower ends are provided with lower sliding rods 7, and a connecting suspension rod 8 is hinged between the upper sliding rod 6 and the lower sliding rod 7 on the same side, and a connecting sleeve 9 is movably installed on the upper sliding rod 6 and the lower sliding rod 7, and a sliding guide rod 10 is connected between the two groups of the connecting sleeves 9 on the same side, and a sliding connecting sleeve 11 is movably installed on the sliding guide rod 10, and a barbell bar 12 is provided between the two groups of the sliding connecting sleeves 11;

[0027] An adjustment slot 13 is provided below the front end of the support column 2, and the front end of the lower sliding rod 7 passes through the adjustment slot 13. An angle locking assembly is provided below the front end of the support column 2, and the angle locking assembly is used to fix the front end of the lower sliding rod 7. A suspension assembly is provided on the inner side of the support frame 3, and the suspension assembly is used to hang the barbell bar 12. When in use, the connecting shaft 4 is used as the axis of the upper sliding rod 6 and the lower sliding rod 7 to swing, and the upper sliding rod 6, the lower sliding rod 7 and the connecting suspension rod 8 are used to form a double crank mechanism to achieve synchronous swing of the upper sliding rod 6 and the lower sliding rod 7 to change the tilt angle. After the lower sliding rod 7 passes through the adjustment slot 13 and cooperates with the angle locking assembly to lock the angle of the lower sliding rod 7, the barbell bar 12 is used to move along the sliding guide rod 10 through the sliding connection sleeve 11 to achieve the movement of the barbell bar 12 in various directions and the smooth displacement of the tilt angle.

[0028] A connecting beam 14 is connected between the two groups of connecting sleeves 9 at the upper end, so that the upper connecting sleeves 9 move synchronously along the upper sliding rod 6, which is more stable.

[0029] The suspension assembly includes a swing suspension rod 15 and a protrusion 16. The swing suspension rod 15 is provided with two groups, and the upper ends of the two groups of the swing suspension rods 15 are respectively connected to the two groups of the shaft connecting sleeves 5 at the upper ends. The protrusions 16 are provided in multiple groups at equal intervals and are arranged on the side walls of the swing suspension rod 15. Both sides of the barbell bar 12 are provided with hooks 17 that are compatible with the protrusions 16. The protrusions 16 of the suspension assembly are used to hook the hooks 17 of the barbell bar 12, so that it is convenient to store at any time. Considering the heavy weight of the barbell, the swing suspension rod has a tendency to retreat after hooking the barbell bar, which is unstable. As a preferred structure, in this structure, there is a barbell plate rack 41 on the rear side of the support frame 3, and the barbell plates are hung on the barbell plate rack. A fixed rod 42 is provided near the bottom of the support frame 3, and a clamping plate 43 is connected to the end shaft of the swing suspension rod 15. A row of clamping holes 44 are evenly opened on the bottom edge of the clamping plate 43, one of which is clamped on the fixed rod 42, and an operating rod 45 is fixed between the ends of the two clamping plates 43. After adjusting the angle of the swing suspension rod, the clamping hole of the clamping plate is clamped on the fixed rod by controlling the operating rod, so that a stable triangular structure is formed between the clamping plate, the swing suspension rod, and the support frame to ensure the stability of the barbell bar and ensure safety.

[0030] The angle locking assembly includes a slide rail 18, a lifting rod 19 and an angle connecting sleeve 20. The slide rail 18 is provided with two groups and is respectively arranged below the front end of the two groups of supporting columns 2. The inner side of the slide rail 18 is provided with a slide groove 21, and a slider 22 is movably installed in the slide groove 21. The lifting rod 19 is arranged between the two groups of sliders 22. The angle connecting sleeve 20 is provided with two groups and is rotatably installed on both sides of the lifting rod 19. The front ends of the two groups of lower sliding rods 7 are respectively movably passed through the two groups of angle connecting sleeves 20.

[0031] The first and second sliding hoops 23 and 24 are movably sleeved on both sides of the outside of the lifting rod 19, and the first and second sliding hoops 23 and 24 on the same side are connected with handles 25, and the outer sides of the second sliding hoops 24 on both sides are connected with latch rods 26, and the slide rail 18 is provided with plug holes 27, and multiple groups of plug holes 27 are equidistantly provided, and the latch rods 26 movably penetrate the slider 22 and fit with the plug holes 27, and the first sliding hoops 23 on both sides are connected with reset springs 28. When in use, the latch rod 26 is pulled out of the plug hole 27 by toggling the handle 25, and after the lifting rod 19 is pulled to change the angle of the front end of the lower sliding rod 7, the handle 25 is released, and the latch rod 26 is inserted into the appropriate plug hole 27 for fixation by the action of the reset spring 28, and the lifting and lowering trajectory of the barbell bar 12 can be stably adjusted within 15 degrees by the inclination of the lower sliding rod 7.

[0032] A horizontal connecting rod 36 is provided above the two groups of supporting columns 2 , and a plurality of pull-up handles 37 are provided at the front end of the horizontal connecting rod 36 .

[0033] Embodiment 2

[0034] according to Figure 1 , 2 As shown in Figure 4, this embodiment proposes an adjustable angle 3D Smith machine, including a connecting beam 1, a supporting column 2 and a supporting frame 3, wherein the connecting beam 1 is provided with two groups, and the supporting column 2 and the supporting frame 3 are respectively arranged at the front and rear ends below the connecting beam 1, and connecting shafts 4 are provided at the upper and lower parts between the two groups of the supporting frames 3, and the two ends of the two groups of the connecting shafts 4 respectively extend to the inner sides of the two groups of the supporting frames 3 and are rotatably installed with shaft connecting sleeves 5, and the two groups of the shaft connecting sleeves 5 at the upper ends are provided with upper sliding rods 6, and the two groups of the shaft connecting sleeves 5 at the lower ends are provided with lower sliding rods 7, and a connecting suspension rod 8 is hinged between the upper sliding rod 6 and the lower sliding rod 7 on the same side, and a connecting sleeve 9 is movably installed on the upper sliding rod 6 and the lower sliding rod 7, and a sliding guide rod 10 is connected between the two groups of the connecting sleeves 9 on the same side, and a sliding connecting sleeve 11 is movably installed on the sliding guide rod 10, and a barbell bar 12 is provided between the two groups of the sliding connecting sleeves 11;

[0035] An adjustment slot 13 is provided below the front end of the support column 2, and the front end of the lower sliding rod 7 passes through the adjustment slot 13. An angle locking assembly is provided below the front end of the support column 2, and the angle locking assembly is used to fix the front end of the lower sliding rod 7. A suspension assembly is provided on the inner side of the support frame 3, and the suspension assembly is used to hang the barbell bar 12. When in use, the connecting shaft 4 is used as the axis of the upper sliding rod 6 and the lower sliding rod 7 to swing, and the upper sliding rod 6, the lower sliding rod 7 and the connecting suspension rod 8 are used to form a double crank mechanism to achieve synchronous swing of the upper sliding rod 6 and the lower sliding rod 7 to change the tilt angle. After the lower sliding rod 7 passes through the adjustment slot 13 and cooperates with the angle locking assembly to lock the angle of the lower sliding rod 7, the barbell bar 12 is used to move along the sliding guide rod 10 through the sliding connection sleeve 11 to achieve the movement of the barbell bar 12 in various directions and the smooth displacement of the tilt angle.

[0036] The inner sides of the support column 2 and the support frame 3 are both provided with baffles 29, and the inner sides of the baffles 29 are provided with buckles 30, and the buckles 30 are provided in multiple groups at equal intervals, and a shock absorbing assembly is installed between the support column 2 and the support frame 3 on the same side through the buckles 30. It is convenient to change the height of the shock absorbing assembly.

[0037] The shock absorbing assembly includes a fixed block 31, a fixed plate 32 and a movable plate 33. The fixed block 31 is provided with two groups. The fixed plate 32 is fixedly provided below the two groups of the fixed blocks 31. The movable plate 33 is movably provided above the two groups of the fixed blocks 31. A shock absorbing spring 34 is connected between the fixed plate 32 and the movable plate 33. The outer sides of the two groups of the fixed blocks 31 are provided with a supporting buckle 35 adapted to the buckle 30. When in use, the shock absorbing assembly is used to make the movable plate 33 realize the function of buffering and shock absorption through the shock absorbing spring 34, so as to achieve the purpose of reducing noise and impact when the barbell bar 12 falls on the movable plate 33.

[0038] When adjusting the motion trajectory of the 3D Smith machine with adjustable angle, the connecting shaft 4 is used as the axis for the upper sliding rod 6 and the lower sliding rod 7 to swing, and the upper sliding rod 6, the lower sliding rod 7 and the connecting suspension rod 8 are used to form a double crank mechanism to realize the synchronous swing of the upper sliding rod 6 and the lower sliding rod 7 to change the inclination angle. After the lower sliding rod 7 passes through the adjustment groove 13 and cooperates with the angle locking component to lock the angle of the lower sliding rod 7, the barbell bar 12 is used to move along the sliding guide rod 10 through the sliding connecting sleeve 11 to realize the movement of the barbell bar 12 in various directions and the smooth displacement of the inclination angle, so that the adjustment of the sliding angle of the barbell bar 12 becomes feasible, which meets more exercise requirements of athletes and allows athletes to choose a trajectory that is more suitable for the body structure when doing squats, bench presses and other movements. The user can perform full and stable exercises, and by toggling the handle 25, the latch rod 26 is pulled out of the socket 27. After pulling the lifting rod 19 to change the angle of the front end of the lower sliding rod 7, the handle 25 is released, and the latch rod 26 is inserted into a suitable socket 27 for fixation by utilizing the action of the reset spring 28. The lifting and lowering trajectory of the barbell bar 12 can be stably adjusted within 15 degrees by the inclination of the lower sliding rod 7. The adjustment is convenient and more stable. At the same time, the protrusion 16 of the suspension component is used to hook the hook 17 of the barbell bar 12, which is convenient for storage at any time. In this process, the action of the shock absorbing component is utilized to allow the movable plate 33 to realize the function of buffering and shock absorbing through the shock absorbing spring 34, so as to achieve the purpose of reducing noise and impact when the barbell bar 12 falls onto the movable plate 33.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An angle-adjustable 3D Smith machine, comprising a connecting beam (1), a supporting column (2) and a supporting frame (3), characterized in that: The connecting crossbeam (1) is provided with two groups, the supporting columns (2) and the supporting frames (3) are respectively arranged at the front and rear ends below the connecting crossbeam (1), and connecting shafts (4) are arranged at the upper and lower parts between the two groups of supporting frames (3), and the two ends of the two groups of connecting shafts (4) respectively extend to the inner sides of the two groups of supporting frames (3) and are rotatably installed with shaft connecting sleeves (5), the two groups of shaft connecting sleeves (5) at the upper ends are provided with upper sliding rods (6), and the two groups of shaft connecting sleeves at the lower ends are provided with upper sliding rods (6). (5) a lower sliding rod (7) is provided on the upper side, a connecting suspension rod (8) is hinged between the upper sliding rod (6) and the lower sliding rod (7) on the same side, a connecting sleeve (9) is movably installed on the upper sliding rod (6) and the lower sliding rod (7), a sliding guide rod (10) is connected between the two groups of the connecting sleeves (9) on the same side, and a sliding connecting sleeve (11) is movably installed on the sliding guide rod (10), and a barbell bar (12) is provided between the two groups of the sliding connecting sleeves (11); An adjustment slot (13) is provided below the front end of the support column (2), and the front end of the lower sliding rod (7) passes through the adjustment slot (13). An angle locking assembly is provided below the front end of the support column (2), and the angle locking assembly is used to fix the front end of the lower sliding rod (7). A suspension assembly is provided on the inner side of the support frame (3), and the suspension assembly is used to hang the barbell bar (12); A connecting beam (14) is connected between the two groups of connecting sleeves (9) at the upper end; The suspension assembly comprises a swing suspension rod (15) and a protrusion (16), wherein the swing suspension rod (15) is provided with two groups, and the upper ends of the two groups of the swing suspension rods (15) are respectively connected to the two groups of the shaft connecting sleeves (5) at the upper ends, and the protrusions (16) are provided in multiple groups at equal intervals and are arranged on the side walls of the swing suspension rod (15), and hooks (17) adapted to the protrusions (16) are provided on both sides of the barbell bar (12); A fixing rod (42) is provided near the bottom of the support frame (3); a clamping plate (43) is connected to the end shaft of the swing suspension rod (15); a row of clamping holes (44) are evenly opened on the bottom edge of the clamping plate (43); one of the clamping holes is clamped on the fixing rod (42); and an operating rod (45) is fixed between the ends of the two clamping plates (43); The angle locking assembly comprises a slide rail (18), a lifting rod (19) and an angle connecting sleeve (20), wherein the slide rail (18) is provided with two groups and is respectively arranged below the front ends of the two groups of supporting columns (2), a slide groove (21) is provided on the inner side of the slide rail (18), and a slider (22) is movably installed in the slide groove (21), the lifting rod (19) is arranged between the two groups of sliders (22), the angle connecting sleeve (20) is provided with two groups and is rotatably installed on both sides of the lifting rod (19), and the front ends of the two groups of lower sliding rods (7) are respectively movably passed through the two groups of angle connecting sleeves (20); The first sliding hoop (23) and the second sliding hoop (24) are movably sleeved on both sides of the outside of the lifting rod (19); the first sliding hoop (23) and the second sliding hoop (24) on the same side are connected with a handle (25); the outer sides of the second sliding hoop (24) on both sides are connected with a latch rod (26); the slide rail (18) is provided with a socket (27), and the socket (27) is equidistantly arranged in multiple groups; the latch rod (26) movably passes through the slider (22) and is adapted to the socket (27); a return spring (28) is connected between the first sliding hoops (23) on both sides.

2. The angle-adjustable 3D Smith machine according to claim 1, characterized in that: The inner sides of the support column (2) and the support frame (3) are both provided with baffles (29), and the inner sides of the baffles (29) are provided with buckles (30), and a plurality of groups of buckles (30) are provided at equal intervals. A shock absorbing assembly is installed between the support column (2) and the support frame (3) on the same side via the buckles (30).

3. The angle-adjustable 3D Smith machine according to claim 2, characterized in that: The shock absorbing assembly comprises a fixed block (31), a fixed plate (32) and a movable plate (33); the fixed block (31) is provided with two groups, the fixed plate (32) is fixedly arranged below between the two groups of the fixed blocks (31), and the movable plate (33) is movably arranged above between the two groups of the fixed blocks (31); a shock absorbing spring (34) is connected between the fixed plate (32) and the movable plate (33); and buckles (35) adapted to the buckles (30) are provided on the outer sides of the two groups of the fixed blocks (31).

4. The angle-adjustable 3D Smith machine according to claim 1, characterized in that: A horizontal connecting rod (36) is arranged above the two groups of supporting columns (2), and a plurality of pull-up handles (37) are arranged at the front end of the horizontal connecting rod (36).

Images