Barbell capable of realizing quick replacement of barbell discs
By combining the design of the base, lifting unit, and moving unit, and incorporating the mechanical structure of worm gear, worm wheel, and screw, the problem of barbell plates rotating and falling off is solved, enabling quick replacement and convenient installation of barbell plates.
Patent Information
- Application Number
- CN202422062704.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-08-26
AI Technical Summary
Existing barbell plates are prone to rotation after installation, which can cause them to change position or fall off, and installation is time-consuming and laborious.
The design incorporates a base, lifting unit, barbell unit, and moving unit. Through the cooperation of worm gear, worm wheel, and screw, the barbell plates can be stably installed and moved. The design uses blocking plates, limit posts, and anti-slip sleeves to prevent rotation, and limit strips and moving wheels to facilitate movement.
It enables quick replacement of barbell plates, prevents rotation and detachment, simplifies the installation process, and improves operating efficiency.
Smart Images

Figure CN223504770U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of sports equipment, and concretely is a barbell realizing quick replacement of barbell plates. BACKGROUND
[0002] In today's society, with the economic development, people's living standards gradually improve, people not only pay attention to happy life, pay more attention to the health of the body, more and more people begin to insist, barbell exercise equipment gradually enters people's life, but the existing barbell is basically composed of barbell stick, bell piece, fixed screw, when using, the fixed screw is unscrewed and removed from the bell stick, and the bell piece is freely added or reduced to control the weight of the barbell, and finally the screw is screwed to complete replacement.
[0003] Among them, the barbell for realizing quick replacement of barbell plates in the prior art with the authorization announcement number CN112807612U, the barbell plate includes a barbell stick, a detachable bell piece and a bell piece clamping block, the bell piece clamping block is used for preventing the detachable bell piece from falling, the detachable bell piece includes a bell piece main body and a bell piece fixing block, the bell piece fixing block is used for clamping the bell piece main body and fixing the bell piece main body on the barbell stick, the bell piece main body is provided with a slot, and the slot side wall is provided with a clamping groove.
[0004] The barbell plate in the prior art rotates after installation, so that the position of the barbell plate changes or falls off, the barbell plate is heavy and inconvenient to move and install, and it is time-consuming and laborious to install, therefore, the barbell for realizing quick replacement of barbell plates is proposed. UTILITY MODEL CONTENTS
[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide the barbell for realizing quick replacement of barbell plates, the barbell plate does not rotate after installation, the movement and installation of the barbell plate are facilitated, and the problems in the background art can be effectively solved.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: the barbell for realizing quick replacement of barbell plates includes a base, a lifting unit, a barbell unit and a moving unit.
[0007] The base is provided with the lifting unit at the lower end.
[0008] Lifting unit: includes a limiting mounting base, a worm gear, a turntable, a limiting shaft, a worm wheel, a screw, and a bracket. The limiting mounting base is fixedly connected to the lower inner side of the base. The middle part of the worm gear is rotatably connected to the inner side of the limiting mounting base. The two outer ends of the worm gear are rotatably connected to the base. One end of the worm gear is fixedly connected to the turntable. The left and right sides of the lower inner side of the base are rotatably connected to the limiting shaft. The upper end of the limiting shaft is fixedly connected to the worm wheel, which cooperates with the turntable. The upper end of the worm wheel is fixedly connected to the screw. The upper end of the base is slidably connected to the bracket. The screw is threadedly connected to the bracket.
[0009] Barbell unit: Installed on the lifting unit;
[0010] Moving unit: mounted on the base and barbell unit.
[0011] The worm gear is rotated by rotating the turntable. The worm gear is limited by the limiting mounting seat. The worm gear drives the worm wheel to rotate. When the worm wheel rotates, the screw rotates, which allows the bracket to move up and down. The dumbbell can be moved up and down by raising and lowering the bracket, which makes it easier to install the barbell plates on both sides and prevents the barbell plates on both sides from being inconvenient to install during assembly.
[0012] Furthermore, the barbell unit includes a barbell bar, stop plates, limiting posts, screw two, and an anti-slip sleeve. The barbell bar is placed on the upper end of the bracket. Two stop plates are fixedly connected to both ends of the barbell bar. Screw two is fixedly connected to the middle of the other end of each stop plate. Two limiting posts are fixedly connected to the upper and lower ends of the other stop plates. An anti-slip sleeve is fixedly connected to the middle of the outer side of the barbell bar. During use, the anti-slip sleeve prevents slipping, the stop plates stop the barbell plates, the limiting posts limit the barbell plates to prevent rotation after installation, and the screw two secures the barbell plates.
[0013] Furthermore, the barbell unit also includes a blocking ring, a limiting hole, and a threaded cylinder. The threaded cylinder is rotatably connected to the inner side of the blocking ring. One end of the blocking ring has two limiting holes, which are slidably connected to a limiting post. The threaded cylinder is threadedly connected to a screw. Rotating the threaded cylinder moves the blocking ring, which fixes the barbell plates, and the limiting holes together move the barbell to its limiting position.
[0014] Furthermore, the moving unit includes limiting strips, a placement box, moving wheels, and an arc-shaped groove. Four limiting strips are fixedly connected to the left and right ends of the base, and the limiting strips are slidably connected to the placement box. An arc-shaped groove is formed at the upper end of the placement box, and two moving wheels are fixedly connected to the lower end of the placement box. The limiting strips limit the placement box, the arc-shaped groove facilitates the installation and placement of the barbell plates, and the moving wheels support the placement box and facilitate its movement, thereby facilitating the movement and installation of the barbell plates.
[0015] Furthermore, the moving unit also includes a screw three and a turntable two. Two screws three are rotatably connected to the left and right ends of the limiting strip. The screws three are threadedly connected to the placement box, and the other end of each screw three is fixedly connected to the turntable two. By rotating the turntable two, the screws three are driven to rotate, and the screws three and the placement box move under the action of the threads, thereby facilitating the movement and installation of the barbell plates.
[0016] Furthermore, it also includes a barbell plate, a circular through hole, and a second limiting hole. The barbell plate has a circular through hole in its center, through which the second screw passes. Two corresponding second limiting holes are formed on the end face of the barbell plate, and these second limiting holes are slidably connected to a limiting post. The circular through hole and the second limiting hole prevent the barbell plate from rotating after installation, thus achieving the purpose of limiting the position of the barbell plate.
[0017] Compared with the prior art, the beneficial effects of this utility model are: This barbell, which enables quick replacement of barbell plates, has the following advantages:
[0018] 1. This barbell allows for quick replacement of weight plates. It uses a blocking plate to block the weight plates, a limiting post to limit the weight plates, and a circular through hole and a limiting hole to prevent the weight plates from rotating after installation.
[0019] 2. This invention enables quick barbell plate replacement. The dumbbell can be moved up and down by raising and lowering the bracket. The rotating turntable drives the screw to rotate, and the screw and the placement box move together under the action of the threads, thus facilitating the movement and installation of the barbell plates. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the left side structure of this utility model;
[0022] Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure at point A in the middle.
[0023] In the diagram: 1. Base, 2. Barbell plate, 3. Lifting unit, 31. Limiting mounting seat, 32. Worm gear, 33. Turntable 1, 34. Limiting shaft, 35. Worm wheel, 36. Screw 1, 37. Bracket, 4. Barbell unit, 41. Barbell bar, 42. Blocking plate, 43. Limiting post, 44. Screw 2, 45. Anti-slip sleeve, 46. Blocking ring, 47. Limiting hole 1, 48. Threaded cylinder, 5. Moving unit, 51. Limiting strip, 52. Screw 3, 53. Placement box, 54. Moving wheel, 55. Turntable 2, 56. Arc groove, 6. Circular through hole, 7. Limiting hole 2. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figures 1-3 This embodiment provides a technical solution: a barbell that enables quick plate replacement, comprising a base 1, a lifting unit 3, a barbell unit 4, and a moving unit 5;
[0026] Base 1: A lifting unit 3 is installed at the lower end;
[0027] Lifting unit 3 includes a limiting mounting base 31, a worm gear 32, a turntable 33, a limiting shaft 34, a worm wheel 35, a screw 36, and a bracket 37. The limiting mounting base 31 is fixedly connected to the lower inner side of the base 1. The middle part of the worm gear 32 is rotatably connected to the inner side of the limiting mounting base 31. The two outer ends of the worm gear 32 are rotatably connected to the base 1. One end of the worm gear 32 is fixedly connected to the turntable 33. The left and right sides of the lower inner side of the base 1 are rotatably connected to the limiting shaft 34. The upper end of the limiting shaft 34 is fixedly connected to the worm wheel 35, which cooperates with the turntable 33. The upper end of the worm gear 35 is fixedly connected to a screw 36, and the upper end of the base 1 is slidably connected to a bracket 37. The screw 36 is threadedly connected to the bracket 37. The worm 32 is driven to rotate by rotating the turntable 33. The worm 32 is limited by the limiting mounting seat 31. The worm 32 drives the worm gear 35 to rotate. When the worm gear 35 rotates, the screw 36 rotates, which allows the bracket 37 to move up and down. The lifting and lowering of the bracket 37 can move the dumbbell up and down, making it easier to install the barbell plates on both sides and preventing the barbell plates on both sides from being inconvenient to install during assembly.
[0028] Barbell Unit 4: Installed on Lifting Unit 3; Barbell Unit 4 includes a barbell bar 41, blocking plates 42, limiting posts 43, screw 44, and anti-slip sleeve 45. The barbell bar 41 is placed on the upper end of the bracket 37. Two blocking plates 42 are fixedly connected to both ends of the barbell bar 41. Screw 44 is fixedly connected to the middle of the other end of each blocking plate 42. Two limiting posts 43 are fixedly connected to the upper and lower ends of the other ends of the blocking plates 42. Anti-slip sleeve 45 is fixedly connected to the middle of the outer side of the barbell bar 41. During use, the anti-slip sleeve 45 provides anti-slip function, the blocking plates 42 are used to block the barbell plates, the limiting posts 43 are used to limit the barbell plates to prevent them from rotating after installation, and the screw 44 is used to fix the barbell plates.
[0029] The barbell unit 4 also includes a stop ring 46, a limiting hole 47, and a threaded cylinder 48. The threaded cylinder 48 is rotatably connected to the inner side of the stop ring 46. Two limiting holes 47 are provided at one end of the stop ring 46, and the limiting holes 47 are slidably connected to the limiting post 43. The threaded cylinder 48 is threadedly connected to the screw 44. By rotating the threaded cylinder 48, the stop ring 46 is moved, thereby fixing the barbell plates, and the limiting holes 47 serve as the limiting point.
[0030] Moving unit 5: Installed on base 1 and barbell unit 4, moving unit 5 includes limiting strips 51, placement box 53, moving wheels 54, and arc-shaped groove 56. Four limiting strips 51 are fixedly connected to the left and right ends of base 1. The limiting strips 51 are slidably connected to placement box 53. Arc-shaped groove 56 is opened at the upper end of placement box 53, and two moving wheels 54 are fixedly connected to the lower end of placement box 53. The limiting strips 51 limit the placement box 53, the arc-shaped groove 56 facilitates the installation and placement of barbell plates, and the moving wheels 54 support placement box 53 and facilitate its movement, thereby facilitating the movement and installation of barbell plates.
[0031] The moving unit 5 also includes a screw 3 52 and a turntable 2 55. Two screws 3 52 are rotatably connected to the left and right ends of the limiting strip 51. The screws 3 52 are threadedly connected to the placement box 53, and the other end of each screw 3 52 is fixedly connected to the turntable 2 55. Rotating the turntable 2 55 drives the screws 3 52 to rotate, and the screws 3 52 and the placement box 53 move under the action of the threads, thus facilitating the movement and installation of the barbell plates.
[0032] It also includes a barbell plate 2, a circular through hole 6, and a second limiting hole 7. The barbell plate 2 has a circular through hole 6 in its middle, and the second screw 44 passes through the circular through hole 6 through the barbell plate 2. The end face of the barbell plate 2 has two corresponding second limiting holes 7, which are slidably connected to the limiting post 43. The circular through hole 6 and the second limiting hole 7 prevent the barbell plate 2 from rotating after installation, thereby achieving the purpose of limiting the barbell plate 2.
[0033] The working principle of the barbell for quick plate replacement provided by this utility model is as follows: Rotating the turntable 33 drives the worm gear 32 to rotate. The worm gear 32 is limited by the limiting mounting seat 31. The worm gear 32 drives the worm wheel 35 to rotate. When the worm wheel 35 rotates, the screw 36 rotates, allowing the bracket 37 to move up and down. The lifting and lowering of the bracket 37 allows the dumbbell to move up and down, facilitating the installation of the barbell plates on both sides and preventing difficulties in installation during assembly. During use, the anti-slip sleeve 45 provides anti-slip protection, the blocking plate 42 blocks the barbell plates, and the limiting post 43 limits the barbell plates to prevent rotation after installation. The screw 44 secures the barbell plates. Rotating the threaded cylinder 48 moves the blocking ring 46, which secures the barbell plates. The limiting hole 47 provides the limiting function. Limiting strip 51 limits the placement box 53, arc groove 56 facilitates the installation and placement of barbell plates, and moving wheels 54 support and facilitate the movement of the placement box 53, thus facilitating the movement and installation of barbell plates. Rotating turntable 2 55 drives screw 3 52 to rotate, and screw 3 52 and placement box 53 move under the action of the threads, thus facilitating the movement and installation of barbell plates. Circular through hole 6 and limiting hole 2 7 prevent the barbell plates 2 from rotating after installation, thus achieving the purpose of limiting the movement of barbell plates 2.
[0034] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A barbell that enables quick plate replacement, characterized in that: It includes a base (1), a lifting unit (3), a barbell unit (4), and a moving unit (5); Base (1): A lifting unit (3) is installed at the lower end; Lifting unit (3): includes a limiting mounting seat (31), a worm gear (32), a turntable (33), a limiting shaft (34), a worm wheel (35), a screw (36), and a bracket (37). The lower inner end of the base (1) is fixedly connected to the limiting mounting seat (31). The middle part of the worm gear (32) is rotatably connected to the inner side of the limiting mounting seat (31). The two outer ends of the worm gear (32) are rotatably connected to the base (1). One end is fixedly connected to a turntable (33), and the lower inner side of the base (1) is rotatably connected to a limiting shaft (34) on both sides. The upper end of the limiting shaft (34) is fixedly connected to a worm gear (35), which cooperates with the turntable (33). The upper end of the worm gear (35) is fixedly connected to a screw (36), and the upper end of the base (1) is slidably connected to a bracket (37). The screw (36) is threadedly connected to the bracket (37). Barbell unit (4): Installed on lifting unit (3); Moving unit (5): mounted on base (1) and barbell unit (4).
2. The barbell for quick plate replacement according to claim 1, characterized in that: The barbell unit (4) includes a barbell bar (41), a stop plate (42), a limiting post (43), a screw (44), and an anti-slip sleeve (45). The barbell bar (41) is placed on the upper end of the bracket (37). Two stop plates (42) are fixedly connected to both ends of the barbell bar (41). A screw (44) is fixedly connected to the middle of the other end of each stop plate (42). Two limiting posts (43) are fixedly connected to the other end of the stop plate (42) above and below. An anti-slip sleeve (45) is fixedly connected to the middle of the outer side of the barbell bar (41).
3. The barbell for quick plate replacement according to claim 1, characterized in that: The barbell unit (4) also includes a blocking ring (46), a limiting hole (47) and a threaded cylinder (48). The inner side of the blocking ring (46) is rotatably connected to the threaded cylinder (48). One end of the blocking ring (46) is provided with two limiting holes (47). The limiting holes (47) are slidably connected to the limiting post (43). The threaded cylinder (48) is threadedly connected to the screw (44).
4. The barbell for quick plate replacement according to claim 1, characterized in that: The moving unit (5) includes a limiting strip (51), a placement box (53), moving wheels (54) and an arc groove (56). Four limiting strips (51) are fixedly connected to the left and right ends of the base (1). The limiting strips (51) are slidably connected to the placement box (53). An arc groove (56) is opened at the upper end of the placement box (53). Two moving wheels (54) are fixedly connected to the lower end of the placement box (53).
5. The barbell for quick plate replacement according to claim 1, characterized in that: The moving unit (5) also includes a screw three (52) and a turntable two (55). The left and right ends of the limiting strip (51) are rotatably connected to two screw threes (52). The screw threes (52) are threadedly connected to the placement box (53). The other end of the screw threes (52) is fixedly connected to the turntable two (55).
6. The barbell for quick plate replacement according to claim 1, characterized in that: It also includes a barbell plate (2), a circular through hole (6) and a second limiting hole (7). The barbell plate (2) has a circular through hole (6) in the middle. The second screw (44) passes through the barbell plate (2) through the circular through hole (6). The end face of the barbell plate (2) has two corresponding second limiting holes (7). The second limiting hole (7) and the limiting post (43) are slidably connected.
Citation Information
Patent Citations
Barbell with barbell pieces capable of being replaced quickly
CN112807612A