TWI859092B - An adjustment structure for fitness equipment - Google Patents

Abstract

The present invention is an adjustment structure for fitness equipment, which includes: a holding component is provided with a mounting part and forms a group hole; the adjusting component is installed on the mounting part and includes an adjusting plate, an adjusting bump and a spring, and the adjusting plate is provided with an assembly slot. The adjustment bump is movably embedded in the assembly groove, and the two ends of the spring spring against the bottom end of the adjustment bump and the bottom surface of the assembly groove respectively. The spring uses elastic force to elastically push the adjustment bump up and down in the assembly groove. In addition, the adjustment bump The block is perforated and any position of the hole wall is cut to form a helical tooth portion; and the movable handle includes a shaft and a handle. The two ends of the shaft are respectively connected to the handle and can be movablely inserted into the holes and perforations, and the outer surface of the shaft is further A plurality of concave tooth grooves are provided, and each concave tooth groove corresponds to a helical tooth portion. The adjusting convex block is elastically pushed by the spring, and the helical tooth portion is embedded in any of the concave tooth grooves; the adjusting convex block is used to assemble the groove Displace up and down inside to release the arrangement between the helical tooth portion and each concave tooth groove, so that the movable handle can telescopically move relative to the axial direction of the holding component, thereby adjusting the length of the movable handle to facilitate the installation of an appropriate number of plural lever pieces. , to solve the problem that if the lock is not tight enough, the lever piece will fall off.

Description

Adjustment structure of fitness equipment

The present invention discloses an adjustment structure of fitness equipment, which is particularly applicable to the field of fitness. It mainly provides a quick and easy operation to achieve the weight selection of the bar, reduces the operation and complicated adjustment, and is an invention with excellent practicality.

Fitness equipment is one of the most common equipment used by many people who want to keep in shape and stay healthy. Most users use weight training as their main training direction, such as using small equipment that can adjust the weight, such as barbells, kettlebells, and dumbbells.

However, except for the kettlebell, which is weighted by the overall poundage and cannot be changed, the other common equipment can adjust the number of levers according to their own capabilities and needs. However, most of the ways to remove and install the levers are through screw operations, such as patent number TWM645012 or TWM624247. This type of equipment must take time to disassemble and install screws to complete the disassembly and assembly of the levers. In addition, some equipment has a large number of screws. In addition to consuming time in operation, it is more likely to lose the screws. More importantly, the use of screws must also consider the tightness. If the lock is not tight enough, the levers will fall off.

Therefore, relevant industry players need to think about the problems and shortcomings of the current screw-type lever disassembly and assembly method, and how to improve and avoid such problems.

The main technology of the present invention is to provide users with a quick, convenient and easy-to-use operation for replacing a lever, thereby improving the prior art that the lever is disassembled and installed by means of screw locking and locking, which is time-consuming and complicated, and the user also needs to consider the tightness of the screw locking. If the locking is too loose, the lever is likely to fall off.

However, in order to achieve the above-mentioned purpose and effect, the present invention provides an adjustment structure of a fitness equipment, which includes: a holding assembly, which is provided with a mounting portion, and a group of holes are formed through the mounting portion; an adjustment assembly, which is installed on the mounting portion, and the adjustment assembly further includes an adjustment plate, an adjustment protrusion and a spring, the adjustment plate is provided with an assembly groove, the adjustment protrusion is movably embedded in the assembly groove, and the two ends of the spring are respectively elastically pressed against the bottom end of the adjustment protrusion and the bottom surface of the assembly groove, and the spring elastically pushes the adjustment protrusion to move up and down in the assembly groove, and the adjustment protrusion is provided with a through hole for the group of holes, and the through hole is formed on the hole wall. A beveled tooth portion is cut to form any position of the assembly; and a movable handle, which includes a shaft and a grip, wherein the two ends of the shaft are respectively connected to the grip and movably inserted into the set of holes and the through hole, and a plurality of concave tooth grooves are further provided on the outer surface of the shaft, and each concave tooth groove corresponds to the beveled tooth portion, and when the adjusting protrusion is elastically pushed by the spring, the beveled tooth portion is embedded in any of the concave tooth grooves; wherein, the adjusting protrusion is displaced up and down in the assembly groove to release the embedding between the beveled tooth portion and each concave tooth groove, so that the movable handle can be extended and retracted relative to the axial direction of the grip assembly, thereby adjusting the length of the movable handle to facilitate the installation of an appropriate number of multiple levers.

In order to clearly illustrate that the invention can achieve the above-mentioned purpose and effect, the invention is described in detail with diagrams for its features and effects. Please refer to Figures 1 to 10. The invention discloses an adjustment structure of a fitness equipment, which includes: a grip assembly 10, which is mainly provided for the operator to hold and lift the fitness equipment with his hands. The grip assembly 10 is provided with a mounting portion 101, and a set of holes 102 are formed through the mounting portion 101; an adjustment assembly 20, which is installed on the mounting portion 101, and the adjustment assembly 20 further includes an adjustment plate 201, an adjustment protrusion 202 and a spring 203, and the adjustment plate 201 is provided with an assembly groove 204. , and the groove type of the assembly groove 204 is in the shape of a convex letter in the longitudinal section and is open on both sides, and the shape of the adjusting protrusion 202 is the same as that of the assembly groove 204 and is movably embedded in the assembly groove 204, and the longitudinal section size of the adjusting protrusion 202 is slightly smaller than the longitudinal section size of the assembly groove 204, and the two ends of the spring 203 are respectively elastically pressed against the bottom end of the adjusting protrusion 202 and the bottom surface of the assembly groove 204, and the spring 203 elastically pushes the adjusting protrusion 202 to move up and down in the assembly groove 204 with elastic force, and the The adjusting protrusion 202 is provided with a through hole 205 for the set of holes 102. The through hole 205 is a square hole. The through hole 205 is cut to form a beveled tooth portion 206 at any position of the hole wall (FIG. 2A); and a movable handle 30, which includes a shaft 301 and a handle 302. The two ends of the shaft 301 are respectively connected to the handle 302 and are movably inserted into the set of holes 102 and the through hole 205. The outer surface of the shaft 301 is further provided with a plurality of concave tooth grooves 303 (FIG. 2B), and each concave tooth groove 303 is at The position of the axial sense corresponds to the beveled tooth portion 206. When the adjusting protrusion 202 is elastically pushed by the spring 203, the beveled tooth portion 206 is embedded in any one of the concave tooth grooves 303. The adjusting protrusion 202 is displaced up and down in the assembly groove 204 to release the embedding between the beveled tooth portion 206 and each concave tooth groove 303, so that the movable handle 30 can be axially extended and retracted relative to the holding assembly 10, thereby adjusting the length of the movable handle 30 to facilitate the installation and removal of a proper number of multiple levers 100.

According to the above description, the present invention provides that when the operator exercises with the fitness equipment, in order to quickly adjust the number of the levers 100 so that the weight is the most suitable for exercise, the operator only needs to press the top of the adjusting protrusion 202 to move it downward and compress the spring 203 located below. At this time, the beveled tooth portion 206 located on the adjusting protrusion 202 will be separated from the embedded connection with the concave tooth groove 303. Then, the lever 100 can be detached by pulling the movable handle 30 until the required weight is adjusted. After repeating the above operation, the movable handle 30 is pushed back, and the handle 302 and the holding assembly 10 are firmly clamped against the overlap of each lever 100. This structural setting provides the operator with a faster and more convenient way to adjust the weight. It is different from the prior art that it takes time to rotate multiple screws to remove and install the lever, and the screws are small parts and are easy to lose. If the locking is not complete, the lever is easy to fall off and injure the operator. The present invention indeed improves the above problems and provides the operator with safer use.

As shown in the figures, the present invention has two embodiments. Before the description, in order to provide the operator with convenient control of the adjustment protrusion 202, a baffle 207 is further installed on one side of the adjustment plate 201. The baffle 207 is attached to the adjustment plate 201 and blocks the assembly groove 204. The top end of the baffle 207 is concave to form an arc notch 208. The adjustment protrusion 202 The part is highlighted in the arc notch 208, and the operator only needs to identify with the naked eye to clearly know the place to press, and the setting of the baffle 207 prevents the adjustment protrusion 202 from falling off. The present invention is respectively shown in Figures 1 to 6 (the first embodiment is a kettle bell), Figures 7 to 10 (the second embodiment is a dumb bell, and it can also be applied to a lever bell according to the actual use state, and is not limited to the figures, and the lever bell figure is not shown. ), so the grip assembly 10 in FIGS. 7 to 10 further includes a grip bar 103, the grip bar 103 is a cylindrical straight bar, and both ends of the grip bar 103 are provided with the mounting portion 101 (the mounting portion 101 may have different numbers according to different fitness equipment), and the set of holes 102 penetrates from one end of the grip bar 103 to the other end, and the number of the adjustment assembly 20 and the movable handle 30 is The number is the same as that of the mounting portion 101; and Figures 1 to 6 show that the holding assembly 10 further includes a grip 103 and an anchor plate 104, the grip 103 is U-shaped and both ends are connected to one end surface of the anchor plate 104, and the set of holes 102 is set on the anchor plate 104, the anchor plate 104 and the baffle 207 are clamped against the adjustment plate 201 and cover the assembly slot 204.

In addition, in order to prevent the spring 203 from falling off, in addition to the setting of the baffle 207 as a barrier, a groove 209 is further formed on the groove wall of the assembly groove 204 of the adjusting plate 201 and corresponds to the position where the spring 203 is set. The spring 203 is hidden in the groove 209. The setting of the groove 209 can limit the setting position of the spring 203 to prevent it from tilting and affecting the displacement of the adjusting protrusion 202, as shown in the second, fourth and fifth figures.

In order to prevent the levers 100 from rotating during use, a stop groove 304 is further formed on the outer surface of the shaft 301 opposite to the concave tooth grooves 303, and each lever 100 is formed with a plug-in groove 200 from one end toward the center, and a stop convex piece 300 is convexly provided on the groove wall of the plug-in groove 200 of each lever 100 corresponding to the stop groove 304. The limiting protrusion 300 of the plate 100 is inserted into the limiting groove 304. In this way, each lever 100 is not only clamped, but also can prevent the lever 100 from rotating by utilizing the cooperation between the limiting protrusion 300 and the insertion groove 200. In addition, the lever 100 will not be affected when the movable handle 30 is pulled or pushed, as shown in the fourth, sixth, ninth and tenth figures.

Finally, in order to stabilize the stability of the embedded connection between the beveled tooth portion 206 and each concave tooth groove 303, each concave tooth groove 303 of the shaft 301 is gradually reduced from the groove mouth to the groove end, and each concave tooth groove 303 further includes a plane 3031 and an inclined surface 3032, and the beveled tooth portion 206 of the through hole 205 includes a flat tooth surface 2061 and a beveled tooth surface 2062, and the beveled tooth portion 206 of the adjusting protrusion 202 is inserted at the tip end, and the flat tooth surface 2061 of the beveled tooth portion 206 is in contact with the plane 3031 of the concave tooth groove 303, the beveled tooth portion 206 is in contact with the flat tooth surface 2061 of the concave tooth groove 303, and the flat tooth surface 2061 of the beveled tooth portion 206 is in contact with the flat tooth surface 3031 of the concave tooth groove 303. The beveled tooth surface 2062 of the tooth portion 206 abuts against the beveled surface 3032 of the tooth groove 303, and the angle between the plane 3031 of each tooth groove 303 and the beveled surface 3032 is less than 90 degrees. This arrangement enables the beveled tooth portion 206 to be firmly embedded in each tooth groove 303, and the abutment between the flat tooth surface 2061 and the flat surface 3031, and the abutment between the beveled tooth surface 2062 and the beveled surface 3032, greatly enhancing the embedding force between the beveled tooth portion 206 and each tooth groove 303, thereby preventing the movable handle 30 from sliding arbitrarily and affecting the operator's fitness movements and safety.

In addition, in order to prevent the user from having problems with the lever 100 being unstable during operation, the present invention uses two methods to improve the bonding between the levers 100 and the connecting piece 104. First, a plurality of positioning protrusions A and a plurality of limiting recesses B are further provided on the opposite sides of each lever 100 and the connecting piece 104. When the levers 100 are assembled with each other and the connecting piece 104, the positioning protrusions A correspond to the limiting recesses B. Therefore, the overlapping of the levers 100 and the connecting piece 104 mainly utilizes the convex-concave splicing and assembly method, so that the overlapping of the levers 100 and the connecting piece 104 will not have any In addition to the above methods, the structure of the handle 302 can also be used to assist the fit between the levers 100 and between the levers 100 and the connecting piece 104. Therefore, the handle 302 is further divided into a screw handle portion 3021 and a nut portion 3022. One end of the shaft 301 is inserted into one end of the screw handle portion 3021. The screw handle portion 3021 is The outer periphery of 021 is provided with an external thread 3023, and the nut portion 3022 is screwed on the position of the screw handle portion 3021 having the external thread 3023, and when the movable handle 30 moves and the handle 302 approaches each lever 100, the nut portion 3022 is screwed to abut against the lever 100, so that the levers 100 fit more closely, as shown in the second A and sixth figures.

In addition, the present invention has a third embodiment for the design of the handle, as shown in FIGS. 11 and 12, the handle 302 can be further divided into the screw handle portion 3021 (same as the screw handle portion 3021 in the previous embodiment, mainly named with the same components) and an embedded screw portion 3024, the embedded screw portion 3024 is a screw embedded in the screw handle portion 3021, and the screw The handle 3021 can rotate relative to the embedded screw part 3024, and one end of the shaft 301 is inserted into and locked with the embedded screw part 3024 from one end of the screw handle 3021. The end of the shaft 301 locked in the embedded screw part 3024 will penetrate the screw handle 3021 and be fastened with a retaining ring to prevent the screw handle 3021 and the shaft 301 from being separated from the assembly.

100: lever 200: slot 300: stop tab 10: grip assembly 101: mounting part 102: assembly hole 103: grip bar 104: joint piece 20: adjustment assembly 201: adjustment plate 202: adjustment bump 203: spring 204: assembly slot 205: perforation 206: bevel tooth part 2061: flat tooth surface 2062: bevel tooth surface 207: baffle 208: arc notch 209: groove 30: movable handle 301: shaft 302: grip handle 3021: screw handle part 3022: nut part 3023: External thread 3024: Embedded screw part 303: Concave tooth groove 3031: Flat surface 3032: Inclined surface 304: Limiting groove A: Positioning convex B: Limiting concave

The first figure is a three-dimensional schematic diagram of the first embodiment of the present invention. The second figure is a three-dimensional schematic diagram of the first embodiment of the present invention. The second A figure is a three-dimensional schematic diagram of the adjustment protrusion of the present invention from another perspective. The second B figure is a three-dimensional schematic diagram of the movable handle of the present invention from another perspective. The third figure is a schematic diagram of the III-III line segment section of the first figure. The fourth figure is a partially enlarged schematic diagram of the third figure. The fifth figure is a schematic diagram of the fourth figure where the adjustment protrusion moves downward to press the spring to release the engagement between the helical tooth portion and the concave tooth groove. The sixth figure is a schematic diagram of the displacement action of the movable handle in the fifth figure. The seventh figure is a three-dimensional schematic diagram of the second embodiment of the present invention. The eighth figure is a three-dimensional decomposed schematic diagram of the second embodiment of the present invention. The ninth figure is a schematic diagram of the IX-IX line segment section of the seventh figure. The tenth figure is a partially enlarged schematic diagram of the ninth figure. Figure 11 is a three-dimensional schematic diagram of the third embodiment of the present invention. Figure 12 is a schematic cross-sectional diagram of the line segment XII-XII of Figure 11.

100: Lever

10: Holding component

101: Installation Department

103: Grip

104: Joint

20: Adjustment components

201: Adjustment plate

202: Adjustment bump

207: Baffle

208: Arc-missing groove

301: Shaft

304: Limiting slot

A: Positioning convex

B: Limiting concave

Claims (10)

A fitness equipment adjustment structure, comprising: a grip assembly, which is provided with a mounting portion, and a group of holes is formed through the mounting portion; an adjustment assembly, which is installed on the mounting portion, and the adjustment assembly further comprises an adjustment plate, an adjustment protrusion and a spring, the adjustment plate is provided with an assembly groove, the adjustment protrusion is movably embedded in the assembly groove, and the two ends of the spring are respectively elastically pressed against the bottom end of the adjustment protrusion and the bottom surface of the assembly groove, and the spring elastically pushes the adjustment protrusion to move up and down in the assembly groove, and the adjustment protrusion is provided with a through hole for the group of holes, and the through hole is formed by cutting at any position of the hole wall a beveled tooth portion; and a movable handle, which includes a shaft and a handle, the two ends of the shaft are respectively connected to the handle and movably inserted into the set of holes and the through hole, and the outer surface of the shaft is further provided with a plurality of concave tooth grooves, and each concave tooth groove corresponds to the beveled tooth portion, and when the adjustment protrusion is elastically pushed by the spring, the beveled tooth portion is embedded in any of the concave tooth grooves; wherein, the adjustment protrusion is displaced up and down in the assembly groove to release the embedding between the beveled tooth portion and each concave tooth groove, so that the movable handle can be extended and retracted relative to the axial direction of the holding assembly, and then the length of the movable handle is adjusted to facilitate the installation of a suitable number of multiple levers. As described in claim 1, the adjustment structure of the fitness equipment, wherein the assembly groove wall of the adjustment plate is further recessed to form a groove corresponding to the position where the spring is set, and the spring is hidden in the groove. As described in claim 1, the adjustment structure of the fitness equipment further comprises a baffle installed on one side of the adjustment plate, the baffle is attached to the adjustment plate and blocks the assembly groove, and the top end of the baffle is recessed to form an arc notch, and part of the adjustment protrusion protrudes from the arc notch. As described in claim 1, the adjustment structure of the fitness equipment, wherein the outer surface of the shaft and opposite to each concave tooth groove is further recessed to form a limit groove, and each lever is recessed from one end toward the center to form an insertion groove, and a limit protrusion is protruded on the groove wall of the insertion groove of each lever corresponding to the limit groove, and the limit protrusion of each lever is inserted into the limit groove. The adjustment structure of the fitness equipment as described in claim 1, wherein the grip assembly further comprises a handlebar, the handlebar is a cylindrical straight bar, and the mounting portion is provided at both ends of the handlebar, and the set of holes penetrates from one end of the handlebar to the other end, and the number of the adjustment assembly and the movable handle is the same as the number of the mounting portion. As described in claim 3, the adjustment structure of fitness equipment, wherein the grip assembly further includes a grip bar and an anchor plate, the grip bar is U-shaped and its two ends are connected to one end surface of the anchor plate, and the set of holes is set on the anchor plate, and the anchor plate and the baffle are clamped against the adjustment plate and cover the assembly slot. As described in claim 6, the adjustment structure of the fitness equipment, wherein each bar and the connecting plate are further provided with a plurality of positioning protrusions and a plurality of limiting recesses, and each bar is combined with each other and each bar is assembled with the connecting plate so that each positioning protrusion corresponds to the limiting recess. As described in claim 1, the adjustment structure of the fitness equipment, wherein each concave tooth groove of the shaft rod tapers from the groove opening to the groove end, and each concave tooth groove further comprises a plane and an inclined surface, and the beveled tooth portion of the perforation comprises a flat tooth surface and a beveled tooth surface, and the beveled tooth portion of the adjustment protrusion ends at the tip, and the flat tooth surface of the beveled tooth portion abuts against the plane of the concave tooth groove, and the beveled tooth surface of the beveled tooth portion abuts against the inclined surface of the concave tooth groove. As for the adjustment structure of the fitness equipment described in claim 1, the handle is further divided into a screw handle part and a nut part, one end of the shaft is inserted into one end of the screw handle part, the outer periphery of the screw handle part is provided with an external thread, and the nut part is screwed at the position of the screw handle part with the external thread, and when the movable handle moves and the handle approaches each lever, the nut part is screwed to abut against the lever, so that the levers fit more closely. The adjustment structure of the fitness equipment as described in claim 1, wherein the handle is further divided into a screw handle portion and an embedded screw portion, the embedded screw portion is located in the screw handle portion, and one end of the shaft is inserted into and locked to the embedded screw portion from one end of the screw handle portion.

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