Dumbbell capable of preventing dumbbell disc from rotating

Abstract

The utility model provides a dumbbell capable of preventing dumbbell plates from rotating, and relates to the technical field of dumbbells. The dumbbell comprises a dumbbell bar body, the outer surface of the dumbbell bar body is sleeved with a soft sleeve gasket, a transmission sliding rod is connected into the dumbbell bar body in a sliding mode, a set of locking mechanisms arranged in a circumferential array are arranged in the dumbbell bar body, and each locking mechanism comprises a sliding rod connected with the dumbbell bar body in a sliding mode. And the end part of the sliding rod is fixedly connected with a transmission plate. According to the dumbbell, the soft sleeve gasket, the transmission plate, the transmission sliding rod, the driven plate and other components are arranged, the soft sleeve gasket can drive the locking sliding column to be connected with the insertion hole in the dumbbell disc in an inserted mode when being stressed through the transmission relation between the soft sleeve gasket and the locking sliding column, and therefore the dumbbell disc is limited and locked; the dumbbell disc is prevented from rotating in the exercising process, the dumbbell disc is prevented from falling off from the dumbbell in the using process and hurting a user and a site, and the using safety of the device is improved.

Description

Technical Field

[0001] This utility model relates to a dumbbell, specifically a dumbbell that prevents the dumbbell disc from rotating, and belongs to the field of dumbbell technology. Background Technology

[0002] Dumbbells are a simple piece of equipment used for training to enhance muscle strength. They are suitable for strength training and compound muscle exercises, especially for situations where muscle strength is low due to paralysis, pain, or prolonged inactivity. To improve the suitability of dumbbells for different users, the number of dumbbell discs can be increased or decreased according to the user's needs to enhance the training effect of dumbbells.

[0003] According to patent CN212395716U, a dumbbell for preventing the dumbbell disc from rotating is disclosed, including a dumbbell bar and a stop plate. Protective heads are provided at both ends of the dumbbell bar. A groove is provided in the protective head. A threaded post is provided in the groove. A fixing head is provided on the side of the threaded post away from the protective head. A dumbbell disc is provided on the side of the fixing head away from the threaded post.

[0004] The above-mentioned solution can reduce the impact force of the dumbbell falling when it slips from the user's hand. However, it is difficult to lock the dumbbell disc securely during implementation. Existing technologies often use threads to fix the dumbbell disc to the dumbbell bar. When the user is using the dumbbell, the disc may rotate on its own and fall off due to tilting or improper use, which may seriously threaten the user's personal safety. Therefore, we provide a dumbbell that prevents the dumbbell disc from rotating to solve the above problems. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The purpose of this invention is to provide a dumbbell that prevents the dumbbell disc from rotating, thereby solving the problem in the prior art where the dumbbell disc may rotate on its own and fall off the dumbbell bar during use.

[0007] (II) Technical Solution

[0008] This utility model is achieved through the following technical solution: a dumbbell for preventing the dumbbell disc from rotating, comprising a dumbbell bar body, a soft pad covering the outer surface of the dumbbell bar body, a transmission slide rod slidably connected inside the dumbbell bar body, a set of circumferentially arrayed locking mechanisms inside the dumbbell bar body, the locking mechanism including a slide rod slidably connected to the dumbbell bar body, a transmission plate fixedly connected to the end of the slide rod, the transmission plate being fixedly connected to the soft pad, a hinged transmission rod provided outside the slide rod, and hinged fixing blocks fixedly connected to the end of the slide rod and one end of the transmission slide rod.

[0009] Preferably, both ends of the hinged transmission rod are hinged to two hinged fixing blocks by pins, and the hinged transmission rod plays a transmission role.

[0010] Preferably, one end of the transmission slide rod is fixedly connected to a connecting slide rod, and the end of the connecting slide rod is fixedly connected to a driven plate, so that the sliding of the transmission slide rod can push the driven plate to slide.

[0011] Preferably, the dumbbell bar has a groove inside, and the driven plate slides inside the groove, which provides space for the driven plate to slide.

[0012] Preferably, a locking slide is fixedly connected to the outer surface of the driven plate, and the locking slide is slidably connected to the dumbbell bar body. The locking slide can lock and limit the dumbbell disc.

[0013] Preferably, both ends of the dumbbell bar are fixedly connected to mounting screws, and a set of dumbbell discs are connected to the external threads of the mounting screws. The mounting screws provide support for the installation and use of the dumbbell discs.

[0014] Preferably, each dumbbell disc has a socket and a rod on each of its two sides, and the rod and the socket are compatible with each other, so that multiple dumbbell discs can be locked synchronously.

[0015] Preferably, a tightening nut is provided on the outside of the dumbbell disc, and the tightening nut is threadedly connected to the mounting screw. Tightening the nut can improve the anti-rotation effect of the device.

[0016] This invention provides a dumbbell that prevents the dumbbell disc from rotating, and its beneficial effects are as follows:

[0017] 1. This utility model, by setting up components such as a soft sleeve, a transmission plate, a transmission slide rod, and a driven plate, uses the transmission relationship between the soft sleeve and the locking slide rod to cause the soft sleeve to drive the locking slide rod to engage with the insertion hole on the dumbbell plate when force is applied, thereby limiting and locking the dumbbell plate to prevent it from rotating during exercise. This avoids the dumbbell plate from falling off the dumbbells during use and causing injury to the user and the venue, thus improving the safety of the device.

[0018] 2. This utility model, through the setting of the hinged transmission rod, can play a transmission role, converting the sliding power of the sliding rod into the thrust that pushes the transmission slide rod to slide. This allows the device to selectively lock the dumbbell plate according to whether the dumbbells are used or not, improving the convenience and safety of the device. The setting of the soft pad provides better friction for the user, reducing the probability of the device slipping out of their hand during use and improving the comfort of using the device. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is an exploded view of the structure of this utility model;

[0021] Figure 3 This is a partial structural cross-sectional view of the present invention;

[0022] Figure 4 This is a schematic diagram of the internal structure of the dumbbell bar body of this utility model;

[0023] Figure 5 This is a schematic diagram of the locking mechanism of this utility model.

[0024] [Explanation of Key Component Symbols]

[0025] 1. Dumbbell bar; 2. Soft sleeve; 3. Transmission slide rod; 4. Connecting slide rod; 5. Driven plate;

[0026] 6. Locking mechanism; 601. Sliding rod; 602. Transmission plate; 603. Hinge transmission rod; 604. Hinge fixing block;

[0027] 7. Lock the slide column; 8. Install the screw; 9. Dumbbell disc; 10. Tighten the nut. Detailed Implementation

[0028] This utility model provides a dumbbell that prevents the dumbbell disc from rotating.

[0029] Please see Figure 1 and Figure 2 The device includes a dumbbell bar body 1, with mounting screws 8 fixedly connected to both ends of the dumbbell bar body 1. A set of dumbbell discs 9 are connected to the external threads of the mounting screws 8. The mounting screws 8 allow users to easily increase or decrease the number of dumbbell discs 9 according to their own exercise needs. The dumbbell discs 9 include various weight categories, allowing users to accurately select the appropriate dumbbell weight for exercise and improve the exercise effect of the device.

[0030] Each dumbbell disc 9 has a socket and a rod on each of its two sides. The rod and the socket are compatible with each other. When adding more dumbbell discs 9, the rods between the dumbbell discs 9 are inserted into the sockets to lock the multiple dumbbell discs 9 together. The locking pin 7 is also compatible with the sockets on the dumbbell discs 9. When the locking pin 7 is inserted into the socket on the dumbbell disc 9, the locking pin 7 can lock the dumbbell disc 9 to prevent the dumbbell disc 9 from rotating during use and affecting the normal use of the device.

[0031] The dumbbell disc 9 is equipped with a tightening nut 10 on its exterior. The tightening nut 10 is threadedly connected to the mounting screw 8. The tightening nut 10 has a baffle on its exterior to facilitate rotation by the user. When the user has installed the dumbbell disc 9, the dumbbell disc 9 is tightened by tightening the nut 10 to reduce the probability of the dumbbell disc 9 falling off the mounting screw 8 during use.

[0032] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 The outer surface of the dumbbell bar 1 is covered with a soft pad 2. The soft pad 2 is made of rubber, which can provide good friction for the user and reduce the probability of the device slipping out of their hand during use. At the same time, the soft pad 2 also has a certain degree of elasticity, which can improve the comfort of using the device. There is a certain space between the middle of the soft pad 2 and the dumbbell bar 1, which can provide space for the transmission of the locking mechanism 6.

[0033] Please see Figure 3 and Figure 4 The dumbbell bar body 1 is internally connected to a transmission slide rod 3. One end of the transmission slide rod 3 is fixedly connected to a connecting slide rod 4. The end of the connecting slide rod 4 is fixedly connected to a driven plate 5. When the transmission slide rod 3 slides inside the dumbbell bar body 1, it can drive the driven plate 5 to slide inside the slide groove through the connecting slide rod 4. The sliding of the driven plate 5 can drive the locking slide pin 7 to slide, thereby allowing the locking slide pin 7 to be inserted into the socket on the dumbbell disc 9.

[0034] The dumbbell bar body 1 has a groove inside, and the driven plate 5 slides inside the groove. A locking pin 7 is fixedly connected to the outer surface of the driven plate 5. The locking pin 7 is slidably connected to the dumbbell bar body 1. The groove provides a large space for the driven plate 5 to slide. When the driven plate 5 pushes the locking pin 7 to slide outward of the dumbbell bar body 1, the locking pin 7 can be inserted into the socket on the dumbbell disc 9, thereby limiting the dumbbell disc 9 and preventing it from rotating, thus improving the safety of the device.

[0035] Please see Figure 2 , Figure 3 , Figure 4 and Figure 5 The dumbbell bar body 1 is equipped with a set of circumferentially arrayed locking mechanisms 6. The locking mechanisms 6 include sliding rods 601 that are slidably connected to the dumbbell bar body 1. The locking mechanisms 6 are evenly distributed in the middle of the dumbbell bar body 1. The number of locking mechanisms 6 can be set during the production process to reduce the gap between adjacent transmission plates 602 and improve the comfort of using the device.

[0036] A transmission plate 602 is fixedly connected to the end of the sliding rod 601. The transmission plate 602 is fixedly connected to the soft sleeve 2. The arc of the transmission plate 602 and the soft sleeve 2 is consistent. When the user holds the dumbbell, the soft sleeve 2 will be compressed by force, thereby pressing the transmission plate 602 closer to the transmission slide rod 3. The movement of the transmission plate 602 can drive the sliding rod 601 to slide into the dumbbell bar 1, thereby providing power for the subsequent movement of the transmission slide rod 3. After use, the soft sleeve 2 will return to its original position under the action of elasticity, thereby driving the transmission plate 602 to return to its original position, so that the device cancels the locking effect on the dumbbell disc 9, making it easy to remove the dumbbell disc 9 from the dumbbell.

[0037] Please see Figure 3 , Figure 4 and Figure 5 A hinged transmission rod 603 is provided on the outside of the sliding rod 601. A hinged fixing block 604 is fixedly connected to the end of the sliding rod 601 and one end of the transmission slide rod 3. The two ends of the hinged transmission rod 603 are respectively hinged to the two hinged fixing blocks 604 through pins. When the sliding rod 601 slides into the dumbbell bar body 1 under force, it will press the hinged transmission rod 603 through the hinged fixing block 604 at its end, causing one end of the hinged transmission rod 603 to move. The other end of the hinged transmission rod 603 will also push the transmission slide rod 3 to slide through the hinged fixing block 604, thereby pushing the locking slide pin 7 to be inserted into the socket on the dumbbell plate 9, completing the locking operation of the dumbbell plate 9.

[0038] Working principle: Before using the dumbbells, the user selects the appropriate number of dumbbell discs 9 and rotates the dumbbell discs 9 and tightening nuts 10 onto the mounting screws 8. When the user uses the device for exercise, the soft pads 2 deform under the pressure of the grip, thereby moving the transmission plate 602. The movement of the transmission plate 602 causes the sliding rod 601 to slide into the dumbbell bar 1. The sliding rod 601 can push the transmission slide rod 3 to slide inside the dumbbell bar 1 through the hinged transmission rod 603. The sliding of the transmission slide rod 3 causes the driven plate 5 to slide, thereby causing the locking slide pin 7 to slide outward from the dumbbell bar 1, so that the locking slide pin 7 is inserted into the hole on the dumbbell disc 9. At this time, the locking slide pin 7 will lock and limit the dumbbell disc 9, preventing the dumbbell disc 9 from rotating during exercise.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A dumbbell for preventing the dumbbell disc from rotating, comprising a dumbbell bar (1), characterized in that: The outer surface of the dumbbell bar body (1) is covered with a soft pad (2), the inside of the dumbbell bar body (1) is slidably connected with a transmission slide rod (3), and the inside of the dumbbell bar body (1) is provided with a set of circumferential array locking mechanisms (6). The locking mechanism (6) includes a sliding rod (601) that is slidably connected to the dumbbell bar body (1). A transmission plate (602) is fixedly connected to the end of the sliding rod (601). The transmission plate (602) is fixedly connected to the soft sleeve (2). A hinged transmission rod (603) is provided on the outside of the sliding rod (601). A hinged fixing block (604) is fixedly connected to the end of the sliding rod (601) and one end of the transmission sliding rod (3).

2. A dumbbell for preventing the dumbbell disc from rotating according to claim 1, characterized in that: The two ends of the hinged transmission rod (603) are respectively hinged to two hinged fixing blocks (604) by pins.

3. A dumbbell for preventing the dumbbell disc from rotating according to claim 1, characterized in that: One end of the transmission slide rod (3) is fixedly connected to a connecting slide rod (4), and the end of the connecting slide rod (4) is fixedly connected to a driven plate (5).

4. A dumbbell for preventing the dumbbell disc from rotating according to claim 3, characterized in that: The dumbbell bar (1) has a groove inside, and the driven plate (5) slides inside the groove.

5. A dumbbell for preventing the dumbbell disc from rotating according to claim 3, characterized in that: The outer surface of the driven plate (5) is fixedly connected to a locking slide (7), which is slidably connected to the dumbbell bar body (1).

6. A dumbbell for preventing the dumbbell disc from rotating according to claim 1, characterized in that: Both ends of the dumbbell bar body (1) are fixedly connected to mounting screws (8), and a set of dumbbell discs (9) are connected to the external threads of the mounting screws (8).

7. A dumbbell for preventing the dumbbell disc from rotating according to claim 6, characterized in that: Each dumbbell disc (9) has a socket and a rod on each of its two sides, and the rod and the socket are adapted to each other.

8. A dumbbell for preventing the dumbbell disc from rotating according to claim 6, characterized in that: The dumbbell disc (9) is provided with a tightening nut (10) on the outside, and the tightening nut (10) is threadedly connected to the mounting screw (8).

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