Multifunctional barbell for children
By designing a rotation restriction device in a multi-function barbell for children, the problem of looseness caused by insufficient strength when adjusting the limit cylinder is solved, and a safe and reliable exercise effect is achieved.
Patent Information
- Application Number
- CN202421036393.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-05-14
AI Technical Summary
When children use multi-function barbells, they are limited by force when adjusting the limit cylinder, which leads to loosening of the limit cylinder and causing life safety hazards.
A multi-function barbell for children is designed, and a rotation restriction device is adopted, including components such as slide chutes, slides, retardation plates and slots. Through the cooperation of slides and retardation plates, the looseness of the limit cylinder is restricted and safe use is ensured.
It effectively limits the looseness of the limit cylinder, improves the rotation limit and protection of the multi-function barbell, and ensures children's safety and exercise results when using it.
Smart Images
Figure CN222641174U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sports goods, in particular to a multifunctional barbell for children. Background Art
[0002] Barbell is a kind of core training sports training equipment, and also the equipment used for weightlifting. Barbell exercise is a kind of weight training, which is just the use of barbell training equipment to enhance muscle strength training. Barbells can also be used for core training to promote overall coordination. Barbells are widely used. Whether it is the muscles of the shoulders, back, arms, chest, etc., by using barbells and iron plates of different weights, using multiple times of special muscle strength training techniques, muscle endurance training for the whole body muscle groups, fat burning, converted into bodybuilding lines, strengthening muscle strength, enhancing the body's core ability, and improving the local but still loose muscles after a long time of exercise; in addition, it can delay muscle aging, increase bone density, prevent osteoporosis, etc., improve endocrine, and improve body coordination. It is one of the sports that men and women who want to exercise can engage in. With the development of society, when children need to exercise, they use multifunctional barbells.
[0003] The inventor found in his daily work that the user lifts the multifunctional barbell multiple times, and the multifunctional barbell applies pressure to multiple parts of the user's body to facilitate the user to use the multifunctional barbell for exercise. However, the user needs to rotate the limit cylinder multiple times when replacing the barbell plates, and children are limited in strength when adjusting the limit cylinder, causing the limit cylinder to loosen during use, thereby endangering the life safety of the child. Utility Model Content
[0004] The utility model aims to solve the defect in the prior art that the life safety of children is endangered, and proposes a multifunctional barbell for children.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multifunctional barbell for children, comprising a cross bar, a barbell plate and a rotation limiting device, the surfaces at both ends of the cross bar are sleeved and connected with the barbell plates, the surfaces at both ends of the cross bar are installed with limiting cylinders, the limiting cylinders are in contact with the surfaces of the barbell plates, the rotation limiting device is arranged on the surface of the cross bar, and the rotation limiting device comprises a slide groove, the slide groove is opened on the surface of the cross bar, the slide groove is located on the inner side of the barbell plate, the surface of the slide groove is slidably connected with a slider, the slider is located on one side of the barbell plate, the surface of the slider is rotatably connected with a butt plate, the butt plate is in contact with the surface of the slide groove, a slot is opened on the surface of the limiting cylinder away from the barbell plate, the slot is the same size as the slot, the slot is matched with the size of the butt plate, the surface of the slot is fixedly connected with a positioning rod, the positioning rod is matched with the sleeve hole size on the surface of the butt plate, and the positioning rod can cooperate with the slot to achieve the purpose of supporting the positioning rod.
[0006] Preferably, a stopper is fixedly connected to the surface of the sliding block close to one end of the barbell plate, and the abutment plate contacts the surface of the stopper. The stopper can cooperate with the abutment plate to achieve the purpose of limiting the abutment plate.
[0007] Preferably, an adjustment device is provided on the surface of the slider, and the adjustment device includes a connecting plate, which is fixedly connected to the surface of the slider, and the connecting plate is located on the inner side of the barbell plate. The connecting plate can cooperate with the slider to achieve the purpose of supporting the connecting plate.
[0008] Preferably, a return spring is fixedly connected between the connecting plate and the sliding groove, and the return spring is located on the inner side of the barbell plate. The return spring can cooperate with the connecting plate and the sliding groove to achieve the purpose of pulling the sliding block.
[0009] Preferably, the surfaces at both ends of the cross bar are fixedly connected with a chassis, and the chassis is located on one side of the limiting cylinder. The chassis can cooperate with the cross bar to achieve the purpose of supporting the chassis.
[0010] Preferably, a pull rope is fixedly connected to the surface of the slider away from the limiting cylinder, and the pull rope is in contact with the surface of the chassis. A pull block is fixedly connected to the surface of one end of the pull rope away from the slider, and the pull block is in contact with the surface of the chassis. The pull rope can cooperate with the pull block to facilitate the worker to adjust the rotation limiting device.
[0011] Compared with the prior art, the advantages and positive effects of the utility model are:
[0012] 1. In the utility model, by setting a rotation limiting device, when the multifunctional barbell is in use, the limiting cylinder is limited to loosen, and the device is used. The device applies pressure to the body parts of the user to achieve the purpose of exercising the body, and the abutment plate is adjusted. The abutment plate is guided and rotated by the slider. When the abutment plate abuts against the stopper, the abutment plate is adjusted to slide, and the abutment plate slides and is inserted into the slot. The positioning hole on the surface of the abutment plate is sleeved on the positioning rod to complete the rotation limiting. By setting the rotation limiting device, the limiting cylinder is effectively limited to loosen. When the multifunctional barbell is in use, the abutment plate is adjusted to avoid the situation that the barbell plates slip when the user uses the multifunctional barbell, thereby improving the practicality of the multifunctional barbell, improving the auxiliary function of the multifunctional barbell, improving the rotation limiting property of the multifunctional barbell, and improving the protection of the rotation limiting device to children. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a multifunctional barbell for children;
[0014] Figure 2 The utility model provides a schematic diagram of the structure of a rotation limiting device for a multifunctional barbell for children;
[0015] Figure 3 The utility model provides a multifunctional barbell for children. Figure 2 Schematic diagram of the structure at A in the middle;
[0016] Figure 4 The utility model provides a schematic diagram of the structure of an adjustment device for a multifunctional barbell for children;
[0017] Figure 5 The utility model provides a multifunctional barbell for children. Figure 4 Schematic diagram of the structure at point B in the middle.
[0018] Legend:
[0019] 1. Crossbar; 2. Barbell plate; 3. Rotation limiting device; 31. Positioning rod; 32. Slot; 33. Stop plate; 34. Slider; 35. Stop block; 36. Slide; 4. Adjustment device; 41. Pull block; 42. Chassis; 43. Return spring; 44. Pull rope; 45. Connecting plate; 5. Limiting cylinder. DETAILED DESCRIPTION
[0020] See also Figure 1-5 The utility model provides a technical solution: a multifunctional barbell for children, comprising a cross bar 1, barbell plates 2 and a rotation limiting device 3. The surfaces of both ends of the cross bar 1 are sleeved and connected with the barbell plates 2, and the surfaces of both ends of the cross bar 1 are installed with limiting cylinders 5, which are in contact with the surfaces of the barbell plates 2, and the rotation limiting device 3 is arranged on the surface of the cross bar 1.
[0021] The specific settings and functions of the rotation limiting device 3 and the regulating device 4 are described in detail below.
[0022] In this embodiment: the rotation limiting device 3 includes a slide groove 36, which is opened on the surface of the cross bar 1, and the slide groove 36 is located on the inner side of the barbell plate 2. The surface of the slide groove 36 is slidably connected with a slider 34, and the slider 34 is located on one side of the barbell plate 2. The surface of the slider 34 is rotatably connected with a stop plate 33, and the stop plate 33 contacts the surface of the slide groove 36. A slot 32 is opened on the surface of the limiting cylinder 5 away from the barbell plate 2. The slot 32 is the same size as the slide groove 36, and the size of the slot 32 is adapted to the size of the stop plate 33.
[0023] Specifically, a positioning rod 31 is fixedly connected to the surface of the slot 32 . The positioning rod 31 is adapted to the size of the sleeve hole on the surface of the abutment plate 33 . The positioning rod 31 can cooperate with the slot 32 to achieve the purpose of supporting the positioning rod 31 .
[0024] Specifically, a stopper 35 is fixedly connected to the surface of the slider 34 close to one end of the barbell plate 2 , and the abutment plate 33 contacts the surface of the stopper 35 .
[0025] In this embodiment, the stopper 35 can cooperate with the abutment plate 33 to achieve the purpose of limiting the abutment plate 33 .
[0026] In this embodiment: an adjusting device 4 is provided on the surface of the slider 34, and the adjusting device 4 includes a connecting plate 45, which is fixedly connected to the surface of the slider 34, and the connecting plate 45 is located on the inner side of the barbell plate 2. The connecting plate 45 can cooperate with the slider 34 to achieve the purpose of supporting the connecting plate 45.
[0027] Specifically, a return spring 43 is fixedly connected between the connecting plate 45 and the sliding groove 36 , and the return spring 43 is located on the inner side of the barbell plate 2 .
[0028] In this embodiment, the return spring 43 can cooperate with the connecting plate 45 and the sliding groove 36 to achieve the purpose of pulling the sliding block 34 .
[0029] Specifically, the surfaces of both ends of the crossbar 1 are fixedly connected with a chassis 42 , and the chassis 42 is located on one side of the limiting cylinder 5 . The chassis 42 can cooperate with the crossbar 1 to achieve the purpose of supporting the chassis 42 .
[0030] Specifically, a pull rope 44 is fixedly connected to the surface of the slider 34 away from the limiting cylinder 5 , and the pull rope 44 contacts the surface of the chassis 42 ; a pull block 41 is fixedly connected to the surface of the pull rope 44 away from the slider 34 , and the pull block 41 contacts the surface of the chassis 42 .
[0031] In this embodiment, the pull rope 44 can cooperate with the pull block 41 to facilitate the worker to adjust the rotation limiting device 3 .
[0032] The limiting device 3 is used to limit the movement of the limiting cylinder 5 when the multifunctional barbell is in use. The device can be used to exert pressure on the user's body parts to achieve the purpose of exercising the body. The supporting plate 33 is adjusted, and the supporting plate 33 is guided and rotated by the slider 34. When the supporting plate 33 abuts against the stopper 35, the supporting plate 33 is adjusted to slide. The supporting plate 33 slides and is inserted into the card slot 32. The positioning hole on the surface of the supporting plate 33 is sleeved on the positioning rod 31 to complete the limiting rotation. The limiting device 3 is effectively limited to limit the movement of the limiting cylinder 5 when the multifunctional barbell is in use. The limiting plate 33 is adjusted to avoid the sliding of the barbell plate 2 when the user uses the multifunctional barbell, thereby improving the practicability of the multifunctional barbell, improving the auxiliary function of the multifunctional barbell, improving the limiting rotation of the multifunctional barbell, and improving the protection of the limiting device 3 to children. In addition, the adjusting device 4 is provided to facilitate the worker to adjust the limiting device 3 when the multifunctional barbell is in use. When the slider 34 abuts against the chassis 42, the push plate 33 extends out of the slide slot 36, the push plate 33 is rotated, the push plate 33 rotates 90 degrees, the push plate 33 abuts against the stop block 35, the pull block 41 is released, the reset spring 43 pulls the connecting plate 45, the connecting plate 45 drives the slider 34, the slider 34 drives the push plate 33, the worker holds the push plate 33 with his hand, the push plate 33 slides and is sleeved on the positioning rod 31, and the adjustment device 4 is provided to effectively facilitate the worker to adjust the rotation limiting device 3. When the multifunctional barbell is used, the pull rope 44 is pulled to avoid the inconvenience of the worker in adjusting the push plate 33, thereby improving the practicality of the multifunctional barbell, improving the auxiliary performance of the multifunctional barbell, and improving the adjustability of the multifunctional barbell.
Claims
1. A multifunctional barbell for children, comprising a crossbar (1), a barbell plate (2) and a rotation limiting device (3), characterized in that: The surfaces of both ends of the cross bar (1) are sleeved and connected with barbell plates (2). The surfaces of both ends of the cross bar (1) are installed with limiting cylinders (5). The limiting cylinders (5) are in contact with the surfaces of the barbell plates (2). The rotation limiting device (3) is arranged on the surface of the cross bar (1). The rotation limiting device (3) comprises a slide groove (36). The slide groove (36) is provided on the surface of the cross bar (1). The slide groove (36) is located on the inner side of the barbell plates (2). The slide groove (36) is provided on the surface of the cross bar (1). The surface of the limit tube (5) is slidably connected to a slider (34), the slider (34) is located on one side of the barbell plate (2), the surface of the slider (34) is rotatably connected to a stop plate (33), the stop plate (33) contacts the surface of the slide groove (36), and the surface of the limit tube (5) away from the barbell plate (2) is provided with a slot (32), the slot (32) is the same size as the slide groove (36), and the slot (32) is matched in size to the stop plate (33).
2. A multifunctional barbell for children according to claim 1, characterized in that: A positioning rod (31) is fixedly connected to the surface of the clamping slot (32), and the positioning rod (31) is matched in size to a sleeve hole on the surface of the abutment plate (33).
3. A multifunctional barbell for children according to claim 1, characterized in that: A stopper (35) is fixedly connected to the surface of the sliding block (34) close to one end of the barbell plate (2), and the abutment plate (33) is in contact with the surface of the stopper (35).
4. A multifunctional barbell for children according to claim 1, characterized in that: The surface of the slider (34) is provided with an adjusting device (4), and the adjusting device (4) comprises a connecting disk (45), and the connecting disk (45) is fixedly connected to the surface of the slider (34), and the connecting disk (45) is located on the inner side of the barbell plate (2).
5. A multifunctional barbell for children according to claim 4, characterized in that: A return spring (43) is fixedly connected between the connecting plate (45) and the sliding groove (36), and the return spring (43) is located on the inner side of the barbell plate (2).
6. A multifunctional barbell for children according to claim 1, characterized in that: The surfaces at both ends of the crossbar (1) are fixedly connected to a chassis (42), and the chassis (42) is located on one side of the limiting cylinder (5).
7. A multifunctional barbell for children according to claim 4, characterized in that: A pull rope (44) is fixedly connected to the surface of the slider (34) at one end away from the limiting cylinder (5), and the pull rope (44) contacts the surface of the chassis (42). A pull block (41) is fixedly connected to the surface of the pull rope (44) at one end away from the slider (34), and the pull block (41) contacts the surface of the chassis (42).