Dumbbell with high gear shifting safety

Abstract

The utility model provides a dumbbell with high gear shifting safety, and aims to solve the problems that in the gear shifting process of a dumbbell in the prior art, gear shifting is not in place, a user lifts a dumbbell frame to be separated from a base, and the risk that dumbbell pieces fall off from the dumbbell frame exists. A dumbbell with high gear shifting safety comprises a base provided with a first locking part; a gear adjusting assembly is rotationally arranged on the dumbbell frame, a plurality of first protruding parts are arranged on the gear disc in a surrounding mode, and a first groove is formed between every two adjacent first protruding parts; a second protruding part is arranged on one side of the first sliding part, and a second locking part is arranged on the other side of the first sliding part; when the first protruding part is matched with the second protruding part, the dumbbell frame and the base are locked. When the first groove is matched with the two protruding parts, the dumbbell rack and the base are unlocked. Only after gear shifting is in place, the dumbbell frame can be separated from the base, and safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to body -building equipment technical field, concretely relates to a dumbbell with high gear shifting safety. BACKGROUND

[0002] At present, people often train through dumbbell, thereby exercising muscle, enhancing muscle strength etc. Traditional dumbbell includes a dumbbell bar and several dumbbell pieces, when user adjusts the weight, needs to adjust through the way of manually disassembling dumbbell piece, this adjustment mode is more troublesome. At present, a kind of dumbbell with the way of adjusting weight by rotating handle to increase or decrease dumbbell piece appears on the market, but in the process of rotating handle, if gear shifting is not in place and dumbbell stand is separated from base, at this moment, dumbbell piece is not connected stably with dumbbell stand, and there is the risk of falling off in the process of use. SUMMARY

[0003] The utility model provides a dumbbell with high gear shifting safety, to solve the problem that the dumbbell in prior art exists the risk of falling off dumbbell piece from dumbbell stand in the process of gear shifting.

[0004] In order to solve the above technical problem, the technical scheme that the utility model adopts is:

[0005] A dumbbell with high gear shifting safety, comprising:

[0006] A base is provided with a first locking portion and several dumbbell pieces;

[0007] A dumbbell stand is provided with a gear shifting adjusting assembly rotatingly arranged thereon, the gear shifting adjusting assembly comprises a gear shifting disc, a plurality of first protruding portions are arranged around the gear shifting disc, and a first recess is arranged between each adjacent two first protruding portions; and

[0008] A first sliding member is slidingly arranged on the dumbbell stand, one side of the first sliding member is provided with a second protruding portion, the other side is provided with a second locking portion, and a first elastic reset member for driving the first sliding member to slide towards the gear shifting disc is arranged between the first sliding member and the dumbbell stand;

[0009] When the gear shifting disc rotates to the position where the first protruding portion cooperates with the second protruding portion, the first sliding member slides towards the first locking portion, the second locking portion is locked with the first locking portion, the dumbbell stand is locked with the base, and the first elastic reset member is compressed; when the gear shifting disc rotates to the position where the first recess cooperates with the second protruding portion, the first sliding member slides away from the first locking portion under the action of the first elastic reset member, the second locking portion is unlocked with the first locking portion, and the dumbbell stand is unlocked with the base.

[0010] Further scheme: the first sliding member is arranged in the first guide groove and slides in the left-right direction;

[0011] A plurality of gear scales are arranged around the gear disc, and the plurality of gear scales correspond one by one to the plurality of first grooves; when the gear disc is rotated to the first groove and the second protruding part is matched, the first sliding member slides away from the first locking part under the action of the first elastic reset member, the second locking part and the first locking part are unlocked, the dumbbell rack and the base are unlocked, and the gear adjusting assembly loads the corresponding dumbbell piece from the base to the dumbbell rack or unloads the dumbbell piece from the dumbbell rack to the base.

[0012] Further scheme: the second locking part is a plug-in column, and the first locking part is a plug-in slot or a plug-in hole.

[0013] Based on the above technical scheme: the above setting facilitates the plug-in column to be plugged into the plug-in slot or the plug-in hole by sliding in the left-right direction, or to be separated from the plug-in slot or the plug-in hole.

[0014] Further scheme: the first guide groove is provided with a gap hole for the plug-in column to slide through on the side wall away from the gear disc, and the first elastic reset member is located between the side wall of the first guide groove away from the gear disc and the first sliding member.

[0015] Further scheme: the first elastic reset member is a first spring, the first sliding member is provided with an annular groove arranged around the plug-in column, and the first spring is sleeved on the plug-in column and located between the side wall of the first guide groove away from the gear disc and the bottom wall of the annular groove.

[0016] Based on the above technical scheme: the above setting makes the structural layout more reasonable.

[0017] Further scheme: the first protruding part is a protruding block, and the second protruding part is a protruding tooth.

[0018] Based on the above technical scheme: by setting the first protruding part as a protruding block and the second protruding part as a protruding tooth, it is convenient to rotate the gear adjusting assembly, so that the first groove is smoothly rotated relative to the protruding tooth to be separated from the cooperation with the protruding tooth.

[0019] Further scheme: the dumbbell rack is provided with a gear locking assembly for locking the gear adjusting assembly and the dumbbell rack, and the base is provided with an unlocking member for unlocking the gear locking assembly to the gear adjusting assembly and the dumbbell rack.

[0020] Based on the above technical scheme: by setting the gear locking assembly, the gear adjusting assembly is locked with the dumbbell stand after gear shifting, thereby preventing the gear adjusting assembly from rotating relative to the dumbbell stand, and the gear adjusting assembly can be kept at the gear after gear shifting, and by setting the unlocking piece on the base, the dumbbell stand needs to be placed on the base for gear shifting operation, thereby making the gear shifting safer.

[0021] Further scheme: the gear locking assembly comprises a lock disc connected with the gear disc for synchronous rotation, a second sliding piece slidingly arranged on the dumbbell stand, and a second elastic reset piece arranged between the second sliding piece and the dumbbell stand.

[0022] A plurality of first clamping portions are arranged around the lock disc, and a clamping groove is arranged between every two adjacent first clamping portions, and the plurality of first clamping portions correspond to the plurality of first clamping portions in the circumferential direction one by one; the upper end of the second sliding piece is provided with a second clamping portion and a giving slot arranged below the second clamping portion.

[0023] When the dumbbell stand is placed on the base, the unlocking piece drives the second sliding piece to slide upward so that the giving slot cooperates with the second clamping portion, the second elastic reset piece is compressed, and the second clamping portion can pass through the giving slot by rotating the lock disc; when the dumbbell stand is separated from the base, the second sliding piece slides downward under the reset action of the second elastic piece so that the second clamping portion is located in the clamping groove, and the second clamping portion cooperates with the two first clamping portions adjacent to the clamping groove to limit the rotation of the lock disc relative to the dumbbell stand.

[0024] Further scheme: the lock disc is connected with the gear disc for synchronous rotation through a plurality of pins.

[0025] Further scheme: the base is provided with a second groove, and the unlocking piece is a protrusion arranged on the bottom wall of the second groove.

[0026] The beneficial effects of the utility model are:

[0027] The utility model sets first locking portion on the base, sets sliding piece on the dumbbell stand, and sets second protruding portion matched with the gear disc on one side of the sliding piece and second locking portion matched with the first locking portion on the other side, so that when the user adjusts the counterweight of the dumbbell by rotating the gear adjusting assembly, when the gear disc is rotated to first protruding portion and abuts on second protruding portion, sliding piece will slide to first locking portion under the driving action of first protruding portion, so that second locking portion and first locking portion are locked, and the dumbbell stand and the base are locked, at this moment, when the user lifts the dumbbell stand upward, the base is lifted together, which can remind the user that the gear is not in place.

[0028] When the shift is in place, the shift disc is rotated to the first recess and the second protrusion is matched, at this time, under the action of the first elastic reset member, the sliding member slides towards the shift disc, so that the second locking part is separated from the first locking part, at this time, the user lifts the dumbbell frame upwards, and the dumbbell frame and the base can be separated smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments, it should be understood, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0030] Figure 1 It is a structure schematic diagram of the dumbbell with high shift safety of the utility model.

[0031] Figure 2 It is a structure schematic diagram of the second locking part and the first locking part being locked.

[0032] Figure 3 It is a structure schematic diagram of the second locking part and the first locking part being unlocked.

[0033] Figure 4 It is a structure schematic diagram of the second sliding member and the lock disc being matched.

[0034] Figure 5 It is a structure schematic diagram of the first sliding member and the shift disc being matched.

[0035] Figure 6 It is an exploded structure schematic diagram of the lock disc, the shift disc and the handle.

[0036] Figure 7 It is a structure schematic diagram of the first locking part and the unlocking member being arranged on the base.

[0037] Figure 8 It is a structure schematic diagram of the first sliding member.

[0038] Figure 9 It is a structure schematic diagram of the second sliding member.

[0039] Mark explanation in drawing:

[0040] 1-Base; 11-First locking part; 12-Second groove; 121-Unlocking part; 2-Dumbbell rack; 21-Handle; 22-Grip plate; 221-First protrusion; 222-First groove; 23-Locking plate; 231-First snap-fit ​​part; 232-Slot; 24-First sliding part; 241-Second protrusion; 242-Second locking part; 243-Annular groove; 25-First guide groove; 251-Relief hole; 26-Second sliding part; 261-Second snap-fit ​​part; 262-Relief groove; 27-First elastic reset part; 28-Second elastic reset part; 3-Dumbbell plate; 4-Mounting base; 5-Fixing plate. Detailed Implementation

[0041] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0042] like Figures 1 to 5 As shown, this embodiment provides a dumbbell with high shifting safety, including:

[0043] The base 1 is provided with a first locking part 11 and several dumbbell plates 3;

[0044] A dumbbell rack 2, on which a gear adjustment assembly is rotatably mounted, the gear adjustment assembly including a gear plate, and a plurality of first protrusions 221 arranged around the gear plate, with a first groove 222 provided between each pair of adjacent first protrusions 221; and...

[0045] The first sliding member 24 is slidably disposed on the dumbbell rack 2. The first sliding member 24 has a second protrusion 241 on one side and a second locking part 242 on the other side. A first elastic reset member 27 is provided between the first sliding member 24 and the dumbbell rack 2 to drive the first sliding member 24 to slide toward the gear plate.

[0046] When the shift disc is rotated to the first protrusion 221 cooperating with the second protrusion 241, the first sliding piece 24 slides towards the first locking part 11, the second locking part 242 is locked with the first locking part 11 and the dumbbell holder 2 is locked with the base 1, at this time, the gear is not in place, the user lifts the dumbbell holder and the base is lifted together, and the first elastic reset piece 27 is compressed; when the shift disc is rotated to the first groove 222 cooperating with the second protrusion 241, under the action of the first elastic reset piece 27, the first sliding piece 24 slides away from the first locking part 11, the second locking part 242 is unlocked with the first locking part 11 and the dumbbell holder 2 is unlocked with the base 1, at this time, the gear is in place, and the corresponding dumbbell piece 3 is loaded on the dumbbell holder 2 or unloaded from the dumbbell holder 2 to the base 1, and the user lifts the dumbbell holder 2 upwards to separate the dumbbell holder 2 from the base 1.

[0047] In some embodiments, as shown in Figure 1 and Figure 6 The shift adjusting assembly further comprises a handle 21, the handle 21 and the shift disc are synchronously connected in rotation, and the handle 21 is connected with the dumbbell piece 3 through an intermediate linkage mechanism in the process of rotation to realize locking or unlocking, and the intermediate linkage mechanism for realizing this function has been introduced in the prior art, and the embodiment will not be described here.

[0048] In some embodiments, as shown in Figures 1 to 6 The dumbbell holder 2 is provided with a first guide groove 25, and the first sliding piece 24 is slidably arranged in the first guide groove 25 in the left-right direction.

[0049] The shift disc 22 is provided with a plurality of shift scales, and a plurality of first grooves 222 correspond to the plurality of shift scales. When the shift disc 22 is rotated to the first groove 222 cooperating with the second protrusion 241, under the action of the first elastic reset piece 27, the first sliding piece 24 slides away from the first locking part 11, the second locking part 242 is unlocked with the first locking part 11 and the dumbbell holder 2 is unlocked with the base 1, and the shift adjusting assembly loads the corresponding dumbbell piece 3 from the base 1 to the dumbbell holder 2 or unloads it from the dumbbell holder 2 to the base 1.

[0050] The second locking part 242 is a plug-in column, and the first locking part 11 is a plug-in groove or a plug-in hole, preferably a plug-in hole, so that when the plug-in column is inserted into the plug-in hole, the dumbbell holder 2 and the base 1 are locked with each other, and the user lifts the dumbbell holder 2 upwards, and the dumbbell holder 2 is lifted together with the base 1.

[0051] In some embodiments, in order to facilitate the cooperation of the insertion column with the insertion hole, the first guide groove 25 is provided with a clearance hole 251 for the insertion column to slide through on the side wall away from the shift plate, and the first elastic reset member 27 is located between the side wall of the first guide groove 25 away from the shift plate and the first sliding member 24.

[0052] In some embodiments, the first elastic reset member 27 is a first spring, the first sliding member 24 is provided with an annular groove 243 around the insertion column, and the first spring is sleeved on the insertion column and located between the side wall of the first guide groove 25 away from the shift plate and the bottom wall of the annular groove 243.

[0053] In some embodiments, as shown in Figures 2 to 9 The first protruding part 221 is a protruding block, the second protruding part 241 is a protruding tooth, and the shape of the protruding tooth and the first recess 222 is matched, so that when the shift plate is rotated, it is convenient to smoothly switch from the cooperation of the first recess 222 and the protruding tooth to the cooperation of the protruding block and the protruding tooth.

[0054] In some embodiments, as shown in Figures 2 to 6 And Figure 9 The dumbbell stand 2 is provided with a shift locking assembly for locking the shift adjusting assembly and the dumbbell stand 2, and the base 1 is provided with an unlocking member 121 for unlocking the shift locking assembly to the shift adjusting assembly and the dumbbell stand 2. Specifically, the shift locking assembly is used to lock the shift adjusting assembly and the dumbbell stand 2 after shifting, so as to prevent the shift adjusting assembly from rotating relative to the dumbbell stand 2, causing the dumbbell piece 3 to fall off the dumbbell stand 2, so that the gear can be maintained after shifting, and when shifting is needed, the user needs to place the dumbbell stand 2 on the base 1 for shifting operation.

[0055] In some embodiments, as shown in Figures 2 to 6 And Figure 9 The shift locking assembly includes a lock plate 23 connected with the shift plate for synchronous rotation, a second sliding member 26 slidingly arranged on the dumbbell stand 2, and a second elastic reset member 28 located between the second sliding member 26 and the dumbbell stand 2.

[0056] A plurality of first clamping parts 231 are arranged around the lock plate 23, a clamping groove 232 is arranged between each adjacent two first clamping parts 231, and a plurality of first clamping parts 231 correspond to a plurality of first clamping parts in the circumferential direction; the upper end of the second sliding member 26 is provided with a second clamping part 261 and a clearance groove 262 located below the second clamping part 261;

[0057] When the dumbbell rack 2 is located on the base 1, the unlocking piece 121 drives the second sliding piece 26 to slide upward to make the second sliding piece 26 match with the second clamping part 261, and the second elastic reset piece 28 is compressed, and the lock disc 23 can make the second clamping part 261 pass through the second sliding piece 26; when the dumbbell rack 2 is separated from the base 1, under the reset action of the second elastic piece, the second sliding piece 26 slides downward to make the second clamping part 261 be located in the clamping groove 232, and the second clamping part 261 is matched with the two first clamping parts 231 adjacent to the clamping groove 232 to limit the rotation of the lock disc 23 relative to the dumbbell rack 2.

[0058] Specifically, the dumbbell rack 2 is provided with a mounting seat 4 and a fixed plate 5, the lock disc 23, the gear disc 22 and the first sliding piece 24 and the second sliding piece 26 are all arranged on the mounting seat 4, and the mounting seat 4 and the fixed plate 5 are fixed through screws or the like, and the second locking part 242 passes through the second sliding piece 26 and the second sliding piece 26 is arranged on the fixed plate 5.

[0059] Wherein, the lock disc 23 is synchronously connected with the gear disc through a plurality of pins.

[0060] Wherein, the base 1 is provided with a second groove 12, and the unlocking piece 121 is a protrusion arranged on the bottom wall of the second groove 12, when the user places the dumbbell rack 2 on the base 1, the protrusion pushes against the lower end of the second sliding piece 26, thereby driving the second sliding piece 26 to slide upward.

[0061] Working principle:

[0062] When the user changes gears by rotating the handle 21, when the handle 21 drives the gear disc to rotate to the first protruding part 221 and the second protruding part 241 match, the first sliding piece 24 slides towards the first locking part 11, so that the second locking part 242 is locked with the first locking part 11, and then the dumbbell rack 2 is locked with the base 1, and the first elastic reset piece 27 is compressed; when the gear disc is rotated to the first recess 222 and the second protruding part 241 match, under the action of the first elastic reset piece 27, the first sliding piece 24 slides away from the first locking part 11, the second locking part 242 is unlocked with the first locking part 11 and the dumbbell rack 2 is unlocked with the base 1.

[0063] The utility model is not limited to the above optional implementation, under the premise of not contradicting each other, any combination between schemes can be combined; anyone can derive other various forms of products under the enlightenment of the utility model, but no matter any change in shape or structure, any technical scheme falling within the scope defined by the claims of the utility model falls within the protection scope of the utility model.

Claims

1. A dumbbell with high shift safety, characterized by comprising: The utility model relates to a dumbbell set, including: a base provided with a first locking part and a plurality of dumbbell plates; a dumbbell frame provided with a gear adjusting assembly rotatably on the dumbbell frame, the gear adjusting assembly including a gear disc, a plurality of first protrusions provided around the gear disc, and a first recess provided between each adjacent two first protrusions; and a first sliding member slidingly provided on the dumbbell frame, one side of the first sliding member provided with a second protrusion and the other side provided with a second locking part, and a first elastic return member provided between the first sliding member and the dumbbell frame to drive the first sliding member to slide towards the gear disc; when the gear disc is rotated to the position where the first protrusion cooperates with the second protrusion, the first sliding member slides towards the first locking part, the second locking part is locked with the first locking part and the dumbbell frame is locked with the base, and the first elastic return member is compressed; when the gear disc is rotated to the position where the first recess cooperates with the second protrusion, the first sliding member slides away from the first locking part under the action of the first elastic return member, the second locking part is unlocked with the first locking part and the dumbbell frame is unlocked with the base.

2. The dumbbell according to claim 1, wherein The dumbbell frame is provided with a first guide slot, and the first sliding member is slidingly provided in the first guide slot in the left-right direction; a plurality of gear scales are provided around the gear disc, and the plurality of gear scales correspond one-to-one with the plurality of first recesses; when the gear disc is rotated to the position where the first recess cooperates with the second protrusion, the first sliding member slides away from the first locking part under the action of the first elastic return member, the second locking part is unlocked with the first locking part and the dumbbell frame is unlocked with the base, and the gear adjusting assembly loads the corresponding dumbbell plate from the base to the dumbbell frame or unloads the corresponding dumbbell plate from the dumbbell frame to the base.

3. The dumbbell according to claim 2, wherein The second locking part is a plug-in column, and the first locking part is a plug-in slot or a plug-in hole.

4. The dumbbell according to claim 3, wherein The side wall of the first guide slot away from the gear disc is provided with a clearance hole for the plug-in column to slide through, and the first elastic return member is located between the side wall of the first guide slot away from the gear disc and the first sliding member.

5. The dumbbell according to claim 4, wherein The first elastic return member is a first spring, the first sliding member is provided with an annular groove around the plug-in column, the first spring is sleeved on the plug-in column and located between the side wall of the first guide slot away from the gear disc and the bottom wall of the annular groove.

6. The dumbbell according to claim 1, wherein The first protrusion is a protruding block, and the second protrusion is a protruding tooth.

7. The dumbbell according to claim 1, wherein The dumbbell frame is provided with a gear locking assembly for locking the gear adjusting assembly and the dumbbell frame, and the base is provided with an unlocking member for unlocking the gear locking assembly.

8. The dumbbell according to claim 7, wherein The gear locking assembly includes a lock disc synchronously connected with the gear disc, a second sliding member slidingly provided on the dumbbell frame, and a second elastic return member located between the second sliding member and the dumbbell frame. A plurality of first clamping portions are arranged around the lock disc, and a clamping groove is arranged between every two adjacent first clamping portions, and the plurality of first clamping portions correspond to the plurality of first engaging portions one by one in the circumferential direction; the upper end of the second sliding member is provided with a second clamping portion and a clearance groove located below the second clamping portion; When the dumbbell stand is located on the base, the unlocking member drives the second sliding member to slide upward so that the clearance groove cooperates with the second clamping portion, the second elastic return member is compressed, and the second clamping portion can pass through the clearance groove by rotating the lock disc; when the dumbbell stand is separated from the base, the second sliding member slides downward under the reset action of the second elastic member so that the second clamping portion is located in the clamping groove, and the second clamping portion cooperates with the two first clamping portions adjacent to the clamping groove to limit the rotation of the lock disc relative to the dumbbell stand.

9. The dumbbell according to claim 8, wherein The lock disc is synchronously connected with the gear disc by a plurality of pins.

10. The dumbbell according to claim 8, wherein The base is provided with a second groove, and the unlocking member is a protrusion arranged on the bottom wall of the second groove.

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