Dumbbell with locking device arranged between dumbbell piece and dumbbell rack

Abstract

The utility model provides a dumbbell with a locking device arranged between a dumbbell piece and a dumbbell rack, and aims to solve the problem that the dumbbell piece locking device on the dumbbell in the prior art is poor in dumbbell piece fixing effect, so that the potential safety hazard that the dumbbell piece falls off when the dumbbell is used is caused. A dumbbell with a locking device arranged between dumbbell pieces and a dumbbell rack comprises a base, and the dumbbell pieces are arranged on the base; a locking device is arranged between each dumbbell piece and the dumbbell rack, and the dumbbell pieces are arranged on the dumbbell rack; a driving piece and a resetting piece are arranged between each group of second locking assemblies and the dumbbell rack; when the acting force of the driving piece on the second locking assembly is large, the two sliding pieces draw close to the first locking piece from the two opposite sides and are locked with the first locking piece, and the corresponding dumbbell pieces are loaded on the dumbbell frame from the base. The dumbbell piece is more stable after being locked, and the risk that the dumbbell piece falls off when the dumbbell piece is used can be effectively avoided.

Description

Technical Field

[0001] This utility model belongs to the field of fitness equipment technology, specifically relating to a dumbbell with a locking device between the dumbbell plates and the dumbbell rack. Background Technology

[0002] Dumbbells are a common fitness tool in gyms. Using dumbbells not only increases muscle strength but also helps with weight loss. Traditional dumbbells mainly consist of a dumbbell bar, several weight plates, and a fixing bolt. Adjusting the weight requires the user to manually attach or remove the weight plates from the dumbbell bar, which is inconvenient. Current technology allows users to add or remove weight plates from the dumbbell rack by turning a handle, thus adjusting the weight. However, the locking mechanism for securing the weight plates to the rack in these dumbbells needs further improvement. Current locking mechanisms typically involve grooves in the weight plates and cams on the rack that engage with these grooves. During adjustment, turning the handle locks the cams into the grooves, securing the weight plates to the rack. This current structure carries a certain risk, as the weight plates can easily fall off during use. Utility Model Content

[0003] This utility model provides a dumbbell with a locking device between the dumbbell plates and the dumbbell rack, aiming to solve the problem that the dumbbell plate locking device on the existing dumbbell has a poor effect in fixing the dumbbell plates, resulting in the safety hazard of the dumbbell plates falling off during use.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] A dumbbell with a locking device between the dumbbell plates and the dumbbell rack, comprising:

[0006] A base, wherein a plurality of dumbbell plates are mounted on the base; and,

[0007] A dumbbell rack is provided with a locking device between each dumbbell plate and the dumbbell rack. The locking device includes a first locking member disposed on the dumbbell plate and a second locking assembly slidably disposed on the dumbbell rack. The second locking assembly includes two sliding members. Each set of second locking assemblies is provided with a driving member and a resetting member between itself and the dumbbell rack. The driving member is used to drive the second locking assembly to slide toward the corresponding first locking member and lock it with it. The resetting member is used to drive the second locking assembly away from the corresponding first locking member and unlock it.

[0008] When the force exerted by the driving member on the second locking component is greater than the force exerted by the resetting member on the second locking component, the two sliding members of the second locking component move towards the first locking member from opposite sides and lock with it, and the corresponding dumbbell plates are loaded from the base onto the dumbbell rack; when the force exerted by the driving member on the second locking component is less than the force exerted by the resetting member on the second locking component, the two sliding members of the second locking component move away from the first locking member from opposite sides and unlock with it, and the corresponding dumbbell plates are unloaded from the dumbbell rack onto the base.

[0009] A further option is to arrange the two sliders side by side; or, to arrange the two sliders front and back side by side.

[0010] Based on the above technical solution: preferably, two sliding parts are arranged side by side, so that when locked, the two sliding parts lock with the first locking part from the left and right sides respectively, so that the first locking part is subjected to balanced forces on the left and right sides, making it more stable during use.

[0011] A further embodiment: The dumbbell rack is provided with a number of mounting slots arranged in the left-right direction; the bottom of each mounting slot is provided with a bottom clearance hole for the corresponding first locking member to slide through vertically.

[0012] Each of the mounting slots has a top clearance hole for the second locking component to engage with its corresponding drive component;

[0013] The two sliding members are arranged side by side in the corresponding mounting grooves and are located on the left and right sides of the bottom clearance hole, respectively.

[0014] A further embodiment: The mounting groove is provided with a partition that divides the mounting groove into a left mounting area located to the left of the bottom clearance hole and a right mounting area located to the right of the bottom clearance hole;

[0015] The two sliders of each group of second locking components are a left slider and a right slider; the left slider is located in the left mounting area and the right slider is located in the right mounting area.

[0016] Based on the above technical solution: the structure is more reasonable and the layout is more optimized, and the partition can prevent the two sliding parts from colliding and causing misalignment.

[0017] A further embodiment: Both the left mounting area and the right mounting area are provided with two limiting parts arranged side by side, the left sliding member is located between the two limiting parts in the left mounting area, and the right sliding member is located between the two limiting parts in the right mounting area.

[0018] Based on the above technical solution: two limiting parts arranged side by side are used to restrict the corresponding sliding parts, prevent the sliding parts from swinging back and forth, and make them more stable when locked with the first locking part.

[0019] A further embodiment: The left installation area is provided with two left guide ramps arranged side by side, both inclined downwards from left to right; the left sliding member is provided with two left ramps that slide along the two left guide ramps respectively;

[0020] The right installation area has two right guide slopes arranged side by side, both inclined downwards from right to left; the right sliding member has two right ramps that slide along the two right guide slopes respectively.

[0021] Based on the above technical solution: the above arrangement facilitates the two sliding parts to slide downwards from the left and right sides and approach and lock together with the first locking part when the driving part is strong, thereby clamping and locking the first locking part between the two sliding parts, so that the dumbbell plates are better balanced and stable after being assembled on the dumbbell rack; when the resetting part is strong, the two sliding parts slide away from the first locking part to the left and right sides, thereby releasing the lock, and the structural layout is more reasonable.

[0022] A further embodiment: a reset element is provided between each of the sliding elements and the bottom wall of the mounting groove.

[0023] A further embodiment: the reset component is a spring, and the sliding component has a spring groove with its opening facing downwards, and the spring is located between the spring groove and the bottom wall of the mounting groove.

[0024] A further solution: The first locking element is a column, and the two sliding elements are locked to the column by being respectively engaged with the left and right sides of the column.

[0025] Based on the above technical solution: the above arrangement facilitates the locking of the two sliding parts with the first locking part together.

[0026] A further embodiment: the column is provided with an annular or arc-shaped groove, and the sliding member is provided with an arc-shaped locking block that engages with the annular or arc-shaped groove;

[0027] Alternatively, the column may be provided with an arc-shaped or annular locking block, and the sliding member may be provided with an arc-shaped locking groove that engages with the arc-shaped or annular locking block.

[0028] Based on the above technical solution: the way the card slot and the card block cooperate makes it easy to lock or unlock.

[0029] The beneficial effects of this utility model are as follows:

[0030] This invention features a second locking component on a dumbbell rack, comprising two sliding members and a first locking member on the dumbbell plates. When the force exerted by the driving member on the two sliding members is greater than that of the reset member, the two sliding members slide towards the first locking member from opposite sides and lock together, thus fixing the dumbbell plates to the dumbbell rack. Because the two sliding members lock together with the first locking member from opposite sides, they provide a certain clamping and fixing effect, balancing the forces on both sides of the first locking member and making it more stable after locking. This effectively prevents the dumbbell plates from falling off during use. The reset member allows the two sliding members to slide away from the first locking member from opposite sides when the force exerted by the driving member is less than that of the reset member, thereby releasing the lock and unloading the dumbbell plates. This makes operation more convenient. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the structure of a dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to the present invention.

[0033] Figure 2 This is a cross-sectional structural diagram of a dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to the present invention.

[0034] Figure 3 This is a cross-sectional structural diagram of the two sliding parts locked together with the first locking part.

[0035] Figure 4 This is a cross-sectional structural diagram of the two sliding parts when they are unlocked from the first locking part.

[0036] Figure 5 This is an exploded structural diagram of a dumbbell with a locking device between the dumbbell plates and the dumbbell rack, according to the present invention.

[0037] Figure 6 This is a schematic diagram of the left sliding component.

[0038] Figure 7 This is a structural diagram of the right sliding component.

[0039] Figure 8 This is a cross-sectional structural diagram of the mounting slot.

[0040] Figure 9This is a schematic diagram of the dumbbell plates.

[0041] Explanation of the labels in the diagram:

[0042] 1-Base; 2-Dumbbell rack; 21-Assembly seat; 22-Mounting slot; 221-Left mounting area; 222-Right mounting area; 223-Separator; 224-Limiting part; 225-Left guide ramp; 226-Right guide ramp; 227-Bottom clearance hole; 228-Top clearance hole; 23-Handle; 231-Central shaft; 232-Cam; 24-Reset component; 3-Left sliding component; 31-Left ramp; 4-Right sliding component; 41-Right ramp; 5-Dumbbell plate; 51-First locking component; 511-Slot; 52-U-shaped groove; 6-Clocking block. Detailed Implementation

[0043] 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.

[0044] like Figures 1 to 9 As shown, this embodiment provides a dumbbell with a locking device between the dumbbell plate 5 and the dumbbell rack 2, characterized in that it includes:

[0045] Base 1, wherein a plurality of dumbbell plates 5 are provided on base 1; and,

[0046] The dumbbell rack 2 has a locking device between each dumbbell plate 5 and the dumbbell rack 2. The locking device includes a first locking member 51 disposed on the dumbbell plate 5 and a second locking component slidably disposed on the dumbbell rack 2. The second locking component includes two sliding members. Each set of second locking components is provided with a driving member and a resetting member 24 between it and the dumbbell rack 2. The driving member is used to drive the second locking component to slide toward the corresponding first locking member 51 and lock it with it. The resetting member 24 is used to drive the second locking component to slide away from the corresponding first locking member 51 and unlock it from it.

[0047] When the force exerted by the driving member on the second locking component is greater than the force exerted by the reset member 24 on the second locking component, the two sliding members of the second locking component move toward the first locking member 51 from opposite sides and lock with it, and the corresponding dumbbell plate 5 is loaded from the base 1 onto the dumbbell rack 2; when the force exerted by the driving member on the second locking component is less than the force exerted by the reset member 24 on the second locking component, the two sliding members of the second locking component move away from the first locking member 51 from opposite sides and unlock with it, and the corresponding dumbbell plate 5 is unloaded from the dumbbell rack 2 onto the base 1.

[0048] Specifically, such as Figure 1 , Figure 5 and Figure 9 As shown, the dumbbell rack 2 is provided with several splicing seats 21, and the dumbbell plate 5 is provided with a U-shaped groove 52. The first locking member 51 is provided on the bottom wall of the U-shaped groove 52. When the dumbbell plate 5 is assembled onto the dumbbell rack 2, the two side walls of the U-shaped groove 52 abut against the corresponding splicing seat 21 to prevent the dumbbell plate 5 from swinging back and forth. The two sliding members lock each other with the first locking member 51 on the dumbbell plate 5 from the left and right sides respectively, so that it is more stable when it is assembled onto the dumbbell rack 2.

[0049] Preferably, the two sliding members are arranged side by side, left and right.

[0050] Alternatively, the two sliders can be arranged side by side, one in front of the other.

[0051] In some specific implementations, such as Figures 2 to 5 As shown, the dumbbell rack 2 is provided with a handle 23 and a central shaft 231 that rotates synchronously with the handle 23. The driving component can be a cam 232 sleeved on the central shaft 231 and rotating synchronously with the central shaft 231. The cam 232 is provided with a large diameter section and a small diameter section. The reset component 24 is a spring. During the rotation of the handle 23, when the large diameter section abuts against the two corresponding sliding parts, it will drive the two sliding parts to slide toward the first locking component 51. At this time, the reset component 24 is compressed. When the handle 23 is rotated further and the small diameter section is located on the upper side of the two sliding parts, under the reset action of the spring, the two sliding parts slide away from the first locking component 51 and reset, thereby unlocking from the first locking component 51.

[0052] In some specific implementations, such as Figure 2 and Figure 5 As shown, the dumbbell rack 2 is provided with a plurality of mounting slots 22 arranged in the left-right direction; the bottom of each mounting slot 22 is provided with a bottom clearance hole 227 for the first locking member 51 corresponding to it to slide through vertically.

[0053] Each of the mounting slots 22 has a top clearance hole 228 at its top for the second locking component to engage with its corresponding drive component;

[0054] The two sliding members are arranged side by side in the corresponding mounting grooves 22 and are located on the left and right sides of the bottom clearance hole 227, respectively.

[0055] In some specific implementations, such as Figures 3 to 5 as well as Figure 8 As shown, the mounting groove 22 is provided with a partition 223 that divides the mounting groove 22 into a left mounting area 221 located to the left of the bottom clearance hole 227 and a right mounting area 222 located to the right of the bottom clearance hole 227; the partition 223 is specifically a partition plate, and there are two partition plates, which are located on the front and rear sides of the bottom clearance hole 227 respectively;

[0056] The two sliders of each group of second locking components are a left slider 3 and a right slider 4; the left slider 3 is located in the left mounting area 221, and the right slider 4 is located in the right mounting area 222.

[0057] In some specific implementations, such as Figures 3 to 8 As shown, both the left mounting area 221 and the right mounting area 222 are provided with two limiting parts 224 arranged side by side. The left sliding member 3 is located between the two limiting parts 224 in the left mounting area 221, and the right sliding member 4 is located between the two limiting parts 224 in the right mounting area 222. The limiting part 224 can specifically be a limiting plate, integrally formed with the side wall, dividing plate, or guide slope of the mounting groove 22.

[0058] In some specific implementations, such as Figures 3 to 8 As shown, two left guide slopes 225, both inclined downwards from left to right, are arranged side by side in the left installation area 221; the left sliding member 3 is provided with two left ramps 31 that slide along the two left guide slopes 225 respectively;

[0059] The right installation area 222 has two right guide slopes 226 arranged side by side, both inclined downwards from right to left; the right sliding member 4 is provided with two right ramps 41 that slide along the two right guide slopes 226 respectively.

[0060] In some specific implementations, such as Figures 3 to 5 as well as Figure 8As shown, a reset member 24 is provided between each of the sliding members and the bottom wall of the mounting groove 22. Specifically, the reset member 24 can be a spring, with a downward-facing spring groove on the sliding member, and the spring located between the spring groove and the bottom wall of the mounting groove 22. The reset member 24 can also be made of elastic silicone or the like.

[0061] In some specific implementations, such as Figure 2 , Figure 3 and Figure 9 As shown, the first locking member 51 is a column, and the two sliding members are locked to the column by being respectively engaged with the left and right sides of the column.

[0062] In some specific implementations, such as Figure 2 , Figure 3 and Figure 9 As shown, the column is provided with an annular or arc-shaped slot 511, and the sliding member is provided with an arc-shaped locking block 6 that engages with the annular or arc-shaped slot 511.

[0063] Alternatively, the column may be provided with an arc-shaped or annular locking block 6, and the sliding member may be provided with an arc-shaped locking groove 511 that engages with the arc-shaped or annular locking block 6.

[0064] Working principle explanation:

[0065] When the user adjusts the weight by rotating handle 23, if the force exerted by the driving component on the second locking component is greater than the force exerted by the reset component 24 on the second locking component, the two sliding parts of the second locking component will tilt downwards from the left and right sides towards the first locking component 51 and lock together, thus loading the corresponding dumbbell plate 5 from the base 1 onto the dumbbell rack 2. If the force exerted by the driving component on the second locking component is less than the force exerted by the reset component 24 on the second locking component, the two sliding parts of the second locking component will tilt upwards from the left and right sides, thereby moving away from the first locking component 51 and releasing it from the first locking component 51, thus unloading the corresponding dumbbell plate 5 from the dumbbell rack 2 onto the base 1.

[0066] This utility model is not limited to the above-mentioned optional embodiments. Under the premise of non-contradiction, the various solutions can be combined arbitrarily. Anyone can derive other forms of products under the guidance of this utility model. However, no matter what changes are made in their shape or structure, all technical solutions that fall within the scope of the claims of this utility model are within the protection scope of this utility model.

Claims

1. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack, characterized in that, include: A base, on which a plurality of dumbbell plates are mounted; as well as, A dumbbell rack is provided with a locking device between each dumbbell plate and the dumbbell rack. The locking device includes a first locking member disposed on the dumbbell plate and a second locking assembly slidably disposed on the dumbbell rack. The second locking assembly includes two sliding members. Each set of second locking assemblies is provided with a driving member and a resetting member between itself and the dumbbell rack. The driving member is used to drive the second locking assembly to slide toward the corresponding first locking member and lock it with it. The resetting member is used to drive the second locking assembly away from the corresponding first locking member and unlock it. When the force exerted by the driving member on the second locking component is greater than the force exerted by the resetting member on the second locking component, the two sliding members of the second locking component move towards the first locking member from opposite sides and lock with it, and the corresponding dumbbell plates are loaded from the base onto the dumbbell rack; when the force exerted by the driving member on the second locking component is less than the force exerted by the resetting member on the second locking component, the two sliding members of the second locking component move away from the first locking member from opposite sides and unlock with it, and the corresponding dumbbell plates are unloaded from the dumbbell rack onto the base.

2. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to claim 1, characterized in that, The two sliders are arranged side by side, or the two sliders are arranged front and back.

3. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to claim 2, characterized in that, The dumbbell rack is provided with a number of mounting slots arranged in the left-right direction; the bottom of each mounting slot is provided with a bottom clearance hole for the corresponding first locking member to slide through vertically. Each of the mounting slots has a top clearance hole for the second locking component to engage with its corresponding drive component; The two sliding members are arranged side by side in the corresponding mounting grooves and are located on the left and right sides of the bottom clearance hole, respectively.

4. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to claim 3, characterized in that, The mounting groove is provided with a partition that divides the mounting groove into a left mounting area located to the left of the bottom clearance hole and a right mounting area located to the right of the bottom clearance hole; The two sliders of each group of second locking components are a left slider and a right slider; the left slider is located in the left mounting area and the right slider is located in the right mounting area.

5. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to claim 4, characterized in that, Both the left and right mounting areas are provided with two limiting parts arranged side by side. The left sliding member is located between the two limiting parts in the left mounting area, and the right sliding member is located between the two limiting parts in the right mounting area.

6. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to claim 4, characterized in that, The left installation area has two left guide slopes arranged side by side, both inclined downwards from left to right; the left sliding member has two left ramps that slide along the two left guide slopes respectively. The right installation area has two right guide slopes arranged side by side, both inclined downwards from right to left; the right sliding member has two right ramps that slide along the two right guide slopes respectively.

7. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to claim 3, characterized in that, Each of the sliding members is provided with a reset member between it and the bottom wall of the mounting groove.

8. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to claim 7, characterized in that, The reset component is a spring, and the sliding component has a spring groove with its opening facing downwards. The spring is located between the spring groove and the bottom wall of the mounting groove.

9. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to claim 1, characterized in that, The first locking element is a column, and the two sliding elements are locked to the column by being respectively engaged with the left and right sides of the column.

10. A dumbbell with a locking device between the dumbbell plates and the dumbbell rack according to claim 9, characterized in that, The column is provided with an annular or arc-shaped slot, and the sliding member is provided with an arc-shaped locking block that engages with the annular or arc-shaped slot. Alternatively, the column may be provided with an arc-shaped or annular locking block, and the sliding member may be provided with an arc-shaped locking groove that engages with the arc-shaped or annular locking block.

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