Upright column handrail folding mechanism for sports equipment

Abstract

The utility model discloses a stand column handrail folding mechanism for sports equipment, which comprises a stand column, a base, a bolt assembly and a switch assembly, the bottom of the stand column is connected with the base through a turntable, and the turntable can rotate around the base; the rotary disc is provided with a limiting hole for the plug pin assembly to be inserted into, the plug pin assembly is installed in an installation hole of the side plate of the base, the plug pin assembly can be inserted into the limiting hole through the switch assembly to achieve position locking of the stand column, the plug pin assembly is pulled out of the limiting hole to enable the stand column to rotate, and then folding of the stand column is achieved. And the fitness equipment provided with the stand column can be conveniently stored. The position of the stand column is locked through the plug pin assembly, the central angle between every two adjacent limiting holes can be adjusted according to the angle requirements of different working postures of the stand column, and the stand column can be folded more flexibly.

Description

Technical Field

[0001] This utility model relates to the field of fitness equipment, and in particular to a folding mechanism for the upright handrail of sports equipment. Background Technology

[0002] Existing sports equipment typically includes handrails for user support and movement, usually connected to the frame or base of the equipment via a column. This protruding column structure increases the size of the equipment, and its irregular shape further complicates storage, making it difficult to store. Utility Model Content

[0003] The purpose of this invention is to provide a folding mechanism for the upright handrails of sports equipment, in order to solve the problem that existing upright handrails for sports equipment occupy too much space, which is not conducive to the storage of sports equipment. The specific technical solution is as follows:

[0004] A folding mechanism for the upright handle of sports equipment includes an upright, a base, a pin assembly, and a switch assembly. A turntable is provided at the bottom of the upright and is rotatably connected to the base. Rotation of the turntable allows the upright to switch between different working postures. The turntable is provided with at least two limiting holes. A side plate is provided on the base, and the side plate is provided with fewer mounting holes than the number of limiting holes. Rotation of the turntable allows different limiting holes to be aligned with the mounting holes. The pin assembly is provided in the mounting holes. The switch assembly is provided close to the pin assembly and can control the pin assembly to insert or pull out of the limiting holes, so as to lock or unlock the turntable and the base.

[0005] Furthermore, the switch assembly is a knob assembly, which is located on the outside of the side plate and connected to the side plate and / or the turntable. The pin assembly is located between the knob assembly and the turntable, and includes an elastic element and a pin. One end of the elastic element abuts against the side plate, and the other end abuts against the pin. Rotating the knob assembly towards the side plate can compress or stretch the elastic element so that the pin is inserted into the limiting hole. Rotating the knob assembly away from the side plate can restore the elastic element so that the pin is pulled out of the limiting hole.

[0006] Furthermore, the pin includes a pin and a screw that are fixedly connected, and the elastic element is a spring disposed between the pin and the screw. A countersunk plate is provided on the circumference of the mounting hole. One end of the spring abuts against the countersunk plate, and the other end abuts against the nut of the screw. After the spring is compressed, the pin is inserted into the limiting hole of the turntable. After the spring is decompressed, it applies a spring force away from the limiting hole to the nut of the screw, so as to drive the pin to be pulled out from the limiting hole.

[0007] Furthermore, each limiting hole is set on a circle with the rotation center of the turntable as the center, and each mounting hole and the limiting hole are set on the same circle, and the central angle of two adjacent limiting holes is the same as the central angle of two adjacent mounting holes, so that when the column changes to different working postures, the different limiting holes coincide with the mounting holes.

[0008] Furthermore, the central angle between two adjacent limiting holes is the folding angle of the column.

[0009] Furthermore, four limiting holes are provided on the end face of the turntable, and three mounting holes are provided on the side plate, and the central angle between two adjacent limiting holes is less than or equal to 90°.

[0010] Furthermore, the knob assembly includes a knob and a knob shaft. The side plate is provided with a knob through hole for the knob shaft to pass through, and the turntable is provided with a turntable threaded hole that matches the knob shaft. The knob shaft is connected to the turntable through the turntable threaded hole.

[0011] Furthermore, a boss is provided on the knob shaft, and a boss limiting part is provided on the base. The boss limiting part is located between the boss and the side plate and is offset from the boss so as to limit the distance the knob can be rotated.

[0012] Furthermore, a baffle is provided on the base, and the baffle and the side plate are located on both sides of the turntable. A connecting hole is provided at the center of the turntable, and a threaded through hole is provided on the baffle at the position corresponding to the center of the turntable. A fixing bolt is installed on the threaded through hole, and the fixing bolt is connected to the connecting hole of the turntable, so that the turntable can rotate around the fixing bolt.

[0013] Furthermore, the baffle abuts against the end face of the turntable.

[0014] This invention relates to a folding mechanism for the upright handle of exercise equipment. The bottom of the upright is connected to the base via a turntable that can rotate around the base. The turntable has limiting holes for inserting a pin assembly, which is installed in a mounting hole on the side plate of the base. A switch assembly allows the pin assembly to be inserted into the limiting hole to lock the upright in position. Removing the pin assembly from the limiting hole allows the upright to rotate, thus folding the upright and facilitating the storage of fitness equipment with the upright installed. Furthermore, this invention uses a pin assembly to lock the upright in position, and the central angle between two adjacent limiting holes can be adjusted according to the angle requirements of different working postures of the upright, making the folding of the upright more flexible. Attached Figure Description

[0015] Figure 1 This is an exploded view of a folding mechanism for the upright handrail of a sports equipment according to an embodiment of the present invention.

[0016] Figure 2 This is a schematic diagram of the sports equipment in one embodiment of the present invention when the column is unfolded.

[0017] Figure 3 This is a schematic diagram of the sports equipment according to an embodiment of the present invention after the column is folded. Detailed Implementation

[0018] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0019] like Figure 1 As shown, the folding mechanism for the upright handlebar of sports equipment provided in this embodiment of the utility model includes an upright 4, a base 2, a pin assembly, and a switch assembly 1. A turntable 3 is provided at the bottom of the upright 4, and the turntable 3 is rotatably connected to the base 2. When the turntable 3 rotates, it drives the upright 4 to rotate around the base 2, thereby realizing the conversion of the upright 4 into different working postures. It can be understood that a handlebar 5 is also provided at the end of the upright 4 away from the turntable 3, for the user to hold onto during exercise. The base 2 is fixedly connected to the frame 6. By rotating the upright, the following functions can be achieved: Figure 2 The upright working posture shown, and Figure 3 The image shows the working posture after folding and storing.

[0020] Furthermore, the turntable 3 is provided with at least two limiting holes 31, the base 2 is provided with a side plate 21, the side plate 21 is provided with fewer mounting holes 22 than the limiting holes 31, and the turntable 3 can rotate to make different limiting holes 31 and mounting holes 22 correspond to each other. The pin assembly is provided in the mounting hole 22, and the switch assembly 1 is provided close to the pin assembly. The switch assembly 1 can control the pin assembly to insert or pull out of the limiting hole 31 so that the turntable 3 and the base 2 are locked or unlocked. Thus, when locked, the column 4 is kept in the corresponding working state, and when unlocked, the column 4 can be rotated to change the working state.

[0021] Specifically, in this embodiment of the invention, when the number of limiting holes is more than two, the column has multiple limiting holes 31 corresponding to the mounting holes 22 in different working postures. In this case, different limiting holes 31 refer to limiting holes 31 with different combinations, and not every limiting hole 31 is completely different. For example, in one working posture, the 1st, 2nd, and 3rd limiting holes 31 correspond to the mounting holes 22, while in another working posture, the 2nd, 3rd, and 4th limiting holes 31 correspond to the mounting holes 22. In this case, different limiting holes 31 are also set to correspond to the mounting holes 22.

[0022] In a specific embodiment of this utility model, each limiting hole 31 is arranged on a circumference with the rotation center of the turntable 3 as the center, and each mounting hole 22 is arranged on the same circumference as the limiting hole 31. The central angle of two adjacent limiting holes 31 is the same as the central angle of two adjacent mounting holes 22. This allows the different limiting holes 31 to coincide with the mounting holes 22 when the column 4 changes to different working postures, which facilitates the insertion and removal of the pin assembly.

[0023] It should be noted that, in this embodiment of the utility model, "adjacent" is defined as two limiting holes 31 that are close to each other among several limiting holes 31 arranged in a certain order. For example, when there are multiple limiting holes 31, they are assumed to be the first limiting hole 31, the second limiting hole 31, and the Nth limiting hole 31, where the kth limiting hole 31 and the (k+1)th limiting hole 31 are adjacent to each other, while the first limiting hole 31 and the Nth limiting hole 31 are not adjacent to each other.

[0024] Furthermore, in one specific embodiment of this utility model, the number of limiting holes 31 is four, and the number of mounting holes 22 is three, by... Figure 2 , Figure 3 It is known that, to improve comfort during movement, the upright 4 is not necessarily perpendicular to the frame 6 when erected, but rather forms a certain angle with the vertical plane. In this case, the angle between two adjacent limiting holes 31 is an acute angle less than 90°. The four limiting holes 31 are not evenly distributed along the circumference; instead, the central angle between two adjacent limiting holes 31 is an acute angle less than 90°, and the central angle between the first and fourth limiting holes 31 is an obtuse angle greater than 90°. To ensure that the mounting holes 22 of the upright 4 have corresponding limiting holes 31 after erection and folding, the angle between two adjacent mounting holes 22 should also be the same. That is, the mounting holes 22 should correspond to adjacent limiting holes 31, and there should be no situation where an adjacent limiting hole 31 is skipped and a more distant limiting hole 31 is matched (this could result in a pin assembly having no limiting hole 31 for insertion).

[0025] In a preferred embodiment of this invention, there are three mounting holes 22, which creates a stable triangular structure when the pin assembly locks the turntable 3. This ensures the stability of the column 4 during use while allowing it to be folded. This invention uses the pin assembly to lock the position of the column 4, and the central angle between two adjacent limiting holes 31 can be adjusted according to the angle requirements of different working postures of the column 4, making the folding of the column 4 more flexible.

[0026] Furthermore, as an optional embodiment of this utility model, there can be two limiting holes 31 and one mounting hole 22. In this case, when the column 4 is rotated in different postures, different limiting holes 31 and mounting holes 22 can be aligned, thus achieving the column folding function. Additionally, when the number of limiting holes 31 is one more than the number of mounting holes 22, the column 4 can be fixed within a certain angle. When the number of limiting holes 31 is n more than the number of mounting holes 22, the column 4 can be fixed within n angles. The number of limiting holes 31 and mounting holes 22 can be flexibly set, enabling multi-position adjustment of the column 4.

[0027] Furthermore, in one embodiment of this utility model, the switch assembly 1 is a plug-in structure. When the switch assembly 1 is inserted inward, the pin is inserted into the limiting hole 31 to lock the position of the turntable 3. When the switch assembly 1 is pulled outward, the pin is also pulled out of the limiting hole 31 to unlock the turntable 3. The plug-in structure of the switch assembly has a relatively simple mechanical structure and is easy to maintain.

[0028] Furthermore, in a preferred embodiment of the present invention, the switch assembly 1 is a knob assembly. The knob assembly is disposed on the outside of the side plate 21 and connected to the side plate 21 and / or the turntable 3. The pin assembly is disposed between the knob assembly and the turntable 3, including an elastic element and a pin. One end of the elastic element abuts against the side plate 21, and the other end abuts against the pin. Rotating the knob assembly toward the side plate 21 can compress or stretch the elastic element so that the pin is inserted into the limiting hole 31. Rotating the knob assembly away from the side plate 21 can restore the elastic element so that the pin is pulled out from the limiting hole 31.

[0029] Furthermore, the pin includes a pin 14 and a screw 16 that are fixedly connected, and a spring 15 disposed between the pin 14 and the screw 16 to form a spring-loaded pin assembly. The pin 14 has a threaded hole, and the screw 16 can be rotated into the threaded hole of the pin 14, thereby fixing the positions of the screw 16 and the pin 14. The spring 15 is located on the screw shank of the screw 16, and the outer diameter of the spring 15 is smaller than the outer diameter of the screw nut and the outer diameter of the pin 14, so as to limit the spring 15 between the pin 14 and the screw 16. After the spring-loaded pin assembly is installed, one end of the spring 15 abuts against a countersunk plate (not shown in the figure) on the mounting hole 22. The countersunk plate is a raised structure protruding from the inner diameter edge of the mounting hole 22, which can limit the position of the spring 15 in the mounting hole 22. The other end of the spring 15 abuts against the nut of the screw 16. After the spring 15 is compressed, the pin 14 is inserted into the limiting hole 31 of the turntable 3. After the spring 15 is decompressed, it applies a spring force away from the limiting hole 31 to the nut of the screw 16, so as to drive the pin 14 out of the limiting hole 31.

[0030] Furthermore, when installing the spring pin assembly, the spring 15 is sleeved on the screw shank of the screw 16, and the screw shank is passed through the mounting hole 22 and fixedly connected to the pin 14 located on the other side of the side plate 21. At this time, the spring pin assembly is installed in the mounting hole 22. Since the outer diameter of the spring 15 is larger than the inner diameter of the countersunk plate, the spring 15 cannot pass through the mounting hole 22, but abuts against the countersunk plate. In addition, the outer diameter of the spring 15 is smaller than the outer diameter of the nut, so that the other end of the spring 15 abuts against the nut of the screw 16. When the knob 11 is rotated towards the side plate 21, the nut of the screw 16 moves towards the countersunk plate, and the spring 15 is compressed. When the knob 11 is rotated away from the side plate 21, the nut of the screw 16 moves away from the countersunk plate. After the spring 15 is released from compression, it applies a spring force away from the limiting hole 31 to the nut, so as to drive the pin 14 out of the limiting hole 31.

[0031] In a preferred embodiment of this invention, the outer diameter of the pin 14 is larger than the inner diameter of the mounting hole 22 countersunk, so that the spring pin assembly is not easily dislodged from the mounting hole 22 after it is installed in the mounting hole 22. The corresponding screw 16 should have a sufficiently long shank to ensure that the pin 14 has an insertion and removal stroke between the side plate 21 and the turntable 3.

[0032] Furthermore, the knob assembly provided in this embodiment of the present invention includes a knob 11 and a knob shaft 12. A knob through hole 23 is provided on the side plate 21 for the knob shaft 12 to pass through. A turntable 3 is provided with a turntable threaded hole 32 that matches the knob shaft 12. The knob shaft 12 is connected to the turntable 3 through the turntable threaded hole 32.

[0033] Furthermore, a boss 13 is provided on the knob shaft 12. The boss 13 is a protruding structure that protrudes from the outer diameter of the knob shaft 12. A boss limiting part is provided on the base 2. The boss limiting part is located between the boss 13 and the side plate 21 and is offset from the boss 13. That is, the outer edge of the boss limiting part is closer to the center of the knob shaft 12 than the outer edge of the boss 13. After the knob 11 is turned out a certain distance, the boss 13 abuts against the boss limiting part, restricting the knob 11 from turning out further. The distance that the knob 11 turns out is limited by the boss limiting part, so as to prevent the knob 11 from being completely turned out of the side plate 21.

[0034] Furthermore, to facilitate the installation of the knob assembly, in this embodiment of the invention, the boss limiting part is detachably mounted on the base 2. After the knob 11 is screwed into the side plate 21 a certain distance, the boss limiting part is then installed in the corresponding position. Figure 1 As shown, the boss limiting part is a limiting screw 17 set on the base 2. The base 2 has a limiting threaded hole. When the knob 11 is screwed into the side plate 21 a certain distance, the limiting screw 17 is installed in a suitable position to limit the screw-out distance of the knob 11.

[0035] Furthermore, in a preferred embodiment of the present invention, the boss 13 on the knob assembly can also limit the swing of the column 4. That is, after the position of the column 4 is locked, the boss 13 abuts against the end face of the turntable 3, so that one side of the end of the turntable 3 abuts against the side of the boss 13, thus preventing the column 4 from swaying left and right.

[0036] In an alternative embodiment of this utility model, the side plate 21 can also be configured as a side plate threaded hole connected to the knob shaft 12. In this case, the knob shaft 12 is not provided with a through hole, and the turntable 3 can be provided with a turntable threaded hole 32 matching the knob shaft 12 or not. When the turntable threaded hole 32 is not provided, when the position of the column 4 is locked, the end face of the knob shaft 12 abuts against the end face of the turntable 3. When the turntable threaded hole 32 is provided, the column 4 is connected to the side plate 21 and the turntable 3 at the same time.

[0037] Furthermore, in this embodiment of the present invention, the base 2 on which the turntable 3 is rotatably mounted can be fitted with a shaft connected to the base 2, which is inserted into the rotating shaft at the center of the turntable 3. In a preferred embodiment of the present invention, a baffle 24 is provided on the base 2, and the baffle 24 and the side plate 21 are respectively located on both sides of the turntable 3. A connecting hole is provided at the center of the turntable 3, and a threaded through hole is provided on the baffle 24 at a position corresponding to the center of the turntable 3. A fixing bolt 25 is installed on the threaded through hole, and the fixing bolt 25 is inserted into the connecting hole of the turntable 3, so that the turntable 3 can rotate around the fixing bolt 25.

[0038] As attached Figure 1 As shown in the specific embodiment of this utility model, the base 2 includes baffles 24 and side plates 21 arranged opposite to each other on the left and right sides. The baffles 24 and side plates 21 are welded and fixed to the base 2, making the base 2 more robust. The baffles 24, side plates 21, and the bottom plate of the base 2 form a space for the turntable 3. After the turntable 3 is placed in this space, fixing bolts 25 are screwed into the baffles 24 to fix the position of the turntable 3, and one end face of the turntable 3 abuts against the baffles 24. A spring pin assembly and a knob assembly are installed on the side plate 21, so that the boss 13 on the knob assembly abuts against the other end face of the turntable 3. This not only allows the column 4 to be rotated and adjusted in different working postures, but also effectively prevents the column 4 from swaying left and right. While realizing the foldable function of the column 4, it ensures the overall stability of the sports equipment.

[0039] This utility model embodiment provides a folding mechanism for a column 4 of exercise equipment. The bottom of the column is connected to a base 2 via a turntable 3, which can rotate around the base 2. The turntable 3 is provided with a limiting hole 31 for inserting a pin assembly. The pin assembly is installed in the mounting hole 22 of the side plate 21 of the base 2. By using a switch assembly 1, the pin assembly can be inserted into the limiting hole 31 to lock the position of the column 4. When the pin assembly is pulled out of the limiting hole 31, the column 4 can be rotated, thereby realizing the folding of the column 4, which facilitates the storage of the fitness equipment with the column 4 installed. Furthermore, this utility model uses a pin assembly to lock the position of the column 4, and the central angle between two adjacent limiting holes 31 can be adjusted according to the angle requirements of different working postures of the column 4, making the folding of the column 4 more flexible.

[0040] The present invention has been further described above with reference to specific embodiments. However, it should be understood that the specific description herein should not be construed as limiting the substance and scope of the present invention. Various modifications made to the above embodiments by those skilled in the art after reading this specification are all within the scope of protection of the present invention. The various specific technical features described in the above embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the embodiments of the present invention will not further describe various possible combinations.

[0041] If the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

Claims

1. A folding mechanism for the upright handrail of sports equipment, characterized in that, The device includes a column, a base, a pin assembly, and a switch assembly. A turntable is located at the bottom of the column and is rotatably connected to the base. Rotation of the turntable allows the column to switch between different working postures. The turntable has at least two limit holes. The base has a side plate with fewer mounting holes than the limit holes. Rotation of the turntable allows the different limit holes to be aligned with the mounting holes. The pin assembly is located in the mounting hole. The switch assembly is located near the pin assembly and can control the pin assembly to insert or remove from the limit hole, thereby locking or unlocking the turntable and the base.

2. The folding mechanism for the upright armrest of sports equipment according to claim 1, characterized in that, The switch assembly is a knob assembly, which is located on the outside of the side plate and connected to the side plate and / or the turntable. The pin assembly is located between the knob assembly and the turntable and includes a spring element and a pin. One end of the spring element abuts against the side plate, and the other end abuts against the pin. Rotating the knob assembly towards the side plate can compress or stretch the spring element to insert the pin into the limiting hole. Rotating the knob assembly away from the side plate can restore the spring element to pull the pin out of the limiting hole.

3. The folding mechanism for the upright armrest of sports equipment according to claim 2, characterized in that, The pin consists of a pin and a screw that are fixedly connected. The elastic element is a spring disposed between the pin and the screw. A countersunk plate is provided on the circumference of the mounting hole. One end of the spring abuts against the countersunk plate, and the other end abuts against the nut of the screw. After the spring is compressed, the pin is inserted into the limiting hole of the turntable. After the spring is decompressed, it applies a spring force away from the limiting hole to the nut of the screw, so as to drive the pin out of the limiting hole.

4. The folding mechanism for the upright handrail of sports equipment according to any one of claims 1-3, characterized in that, Each limiting hole is set on a circle with the rotation center of the turntable as the center. Each mounting hole and the limiting hole are set on the same circle, and the central angle of two adjacent limiting holes is the same as the central angle of two adjacent mounting holes, so that the different limiting holes coincide with the mounting holes when the column changes different working postures.

5. The folding mechanism for the upright armrest of sports equipment according to claim 4, characterized in that, The central angle between two adjacent limiting holes is the folding angle of the column.

6. The folding mechanism for the upright armrest of sports equipment according to claim 4, characterized in that, The turntable end face is provided with four limiting holes, and the side plate is provided with three mounting holes, and the central angle between two adjacent limiting holes is less than or equal to 90°.

7. The folding mechanism for the upright handrail of sports equipment according to claim 2, characterized in that, The knob assembly includes a knob and a knob shaft. The side plate is provided with a knob through hole for the knob shaft to pass through, and the turntable is provided with a turntable thread hole that matches the knob shaft. The knob shaft is connected to the turntable through the turntable thread hole.

8. The folding mechanism for the upright armrest of sports equipment according to claim 7, characterized in that, A boss is provided on the knob shaft, and a boss limiting part is provided on the base. The boss limiting part is located between the boss and the side plate and is offset from the boss so as to limit the distance the knob can be turned.

9. The folding mechanism for the upright armrest of sports equipment according to claim 2, characterized in that, The base is equipped with a baffle, which is located on both sides of the turntable. A connecting hole is provided at the center of the turntable. A threaded through hole is provided on the baffle at the position corresponding to the center of the turntable. A fixing bolt is installed on the threaded through hole and connected to the connecting hole of the turntable, so that the turntable can rotate around the fixing bolt.

10. The folding mechanism for the upright armrest of sports equipment according to claim 9, characterized in that, The baffle abuts against the end face of the turntable.

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