Barbell lifting device
By incorporating a locking mechanism in the barbell lifter, utilizing the locking cam and the automatic locking function of the nylon safety rope, the problem of the barbell falling is solved, improving safety and the independent training ability of beginners.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WORIDA SPORTS GOODS (NANTONG) CO LTD
- Filing Date
- 2025-04-11
- Publication Date
- 2026-04-10
AI Technical Summary
Existing barbell racks are prone to causing the barbell to fall uncontrollably during use due to physical exhaustion or technical errors, posing a safety hazard.
Design a barbell lifter that uses a locking mechanism inside the housing. A nylon safety rope passes through a locking cam and is automatically locked using locking teeth and locking screws to prevent the barbell from falling.
It effectively prevents the barbell from falling due to physical exhaustion or technical errors during use, improving safety and making it suitable for independent training by beginners.
Smart Images

Figure CN224099904U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to body -building auxiliary equipment technical field, concretely is a barbell lifting device. BACKGROUND
[0002] Barbell is a kind of sports equipment for strength training, also commonly used in weightlifting competition, barbell is composed of crossbar, barbell piece and clamp, crossbar is usually a long pole, and clamp is used to fix barbell piece at both ends. Barbell piece is a metal disc of different weight, and has a hole in the middle to be sleeved on the crossbar. By using different weight barbells to carry out multiple times of muscle strength special training skills, muscle strength can be improved, muscle endurance training can be carried out for whole body muscle group, fat can be burned and converted into fitness lines. In barbell training, core muscle group needs to be involved to maintain the stability and balance of the body, so as to help to enhance the strength of core muscle group.
[0003] The utility model discloses a kind of barbell flat bench press auxiliary devices with the utility model patent with the announcement No.CN214260493U, including deck chair and the barbell support of placing barbell, barbell support is set at the end of deck chair when trainee lies down, deck chair is provided with barbell lifting mechanism, barbell support is provided with barbell translation mechanism. The scheme provides a kind of barbell flat bench press auxiliary protection device, without help of others, independent can complete training, smaller fitness place can also be used, suitable for beginners to use, can make the body of trainee better to maintain balance, part muscle group is stimulated, muscle is trained in all directions, the stimulation of core strength also strengthens, can be weight breakthrough bottleneck, also greatly improve the security of use.
[0004] However, the barbell support of the utility model, once physical strength is not supported or technical error occurs in the use process, barbell is easily out of control and falls, although it will not directly fall on the user's body, but still easy to cause safety accident when falling directly, so a barbell lifting device is proposed to solve the problems in the above. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of prior art, the utility model provides a kind of barbell lifting device, with the advantages of automatic locking on nylon protective rope when user releases barbell, prevent barbell from falling, solve the problem that common barbell is easily out of control and falls, cause safety accident in the use process.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A barbell lifting device, including two mounting housings, the top of the mounting housing is fixedly provided with a positioning sleeve, the inside of the positioning sleeve is provided with a nylon protective rope, the inside of the mounting housing is provided with a locking mechanism;
[0008] The locking mechanism includes two locking cams rotatably installed on the inner side wall of the mounting housing, the opposite side of the two locking cams is fixedly provided with a locking tooth, the surface of the two locking cams away from each other is threadedly provided with a locking screw, the surface of the locking screw is sleeved with a control pull rope, and the nylon protective rope passes through the inside of the two locking cams.
[0009] Further, the surface of the control pull rope is hung with a connecting hook, and the bottom of the connecting hook is hung with a hook spring.
[0010] Further, the bottom end of the hook spring is provided with a hook, and the bottom end of the hook spring is hung with a control pull rod through the hook.
[0011] Further, the bottom of the mounting housing is fixedly provided with a mounting assembly, the inside of the mounting assembly is provided with a barbell handle, and the two ends of the barbell handle are fixedly provided with barbell end rods.
[0012] Further, the mounting assembly includes a fixed half ring fixedly installed on one side of the mounting housing, and a rotating half ring rotatably installed at one end of the fixed half ring.
[0013] Further, a lock catch is rotatably installed on one side of the mounting housing, and a locking nut is threadedly installed on the surface of one end of the rotating half ring.
[0014] Further, the top end of the nylon protective rope is fixedly provided with a protective rope lock ring, and the bottom end of the nylon protective rope is fixedly provided with a weight block.
[0015] Further, the inner side wall of the mounting housing is fixedly provided with two mounting shafts, the two locking cams are rotatably installed on the mounting shafts, and a clockwork reset spring is arranged between the mounting shafts and the locking cams.
[0016] Compared with the prior art, the barbell lifting device has the following beneficial effects:
[0017] The barbell lifting device, by setting the locking mechanism in the inside of the installation shell, the nylon protective rope is passed between the two locking cams of the locking mechanism, when using, by pulling the control pull rope downward, the two locking cams are driven to rotate synchronously to the middle, the nylon protective rope is loosened, so that the installation shell can move up and down on the surface of the nylon protective rope, the control pull rope is loosened, the two locking cams are reset, the nylon protective rope is tightened through the locking teeth, so that the installation shell is locked on the nylon protective rope, when the user loses strength, the barbell is locked on the nylon protective rope, the barbell is prevented from falling and causing safety accidents, the problem that the common barbell is easily out of control and falls and causes safety accidents during use due to physical weakness or technical errors is solved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structural schematic view of the utility model;
[0019] Figure 2 It is a structural front view of the utility model;
[0020] Figure 3 It is a three-dimensional view of the locking cam installation of the utility model;
[0021] Figure 4 It is a side view of the locking cam of the utility model.
[0022] In the drawing: 1, installation shell; 2, positioning sleeve; 3, nylon protective rope; 4, locking cam; 5, locking tooth; 6, locking screw; 7, control pull rope; 8, connecting hook; 9, hook spring; 10, control pull rod; 11, installation assembly; 111, fixed half ring; 112, rotating half ring; 113, lock catch; 12, barbell handle; 13, barbell end rod; 14, protective rope lock ring; 15, weight block. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0024] Please refer to Figures 1 to 4 A barbell lifting device in the embodiment comprises two installation shells 1, the top of the installation shell 1 is fixedly provided with a positioning sleeve 2, the inside of the positioning sleeve 2 is provided with a nylon protective rope 3, and the inside of the installation shell 1 is provided with a locking mechanism.
[0025] The locking mechanism includes two locking cams 4 rotatably mounted on the inner wall of the mounting housing 1. Locking teeth 5 are fixedly mounted on the opposite side of the two locking cams 4. Locking screws 6 are threaded onto the surfaces of the two locking cams 4 that are far apart from each other. A control pull rope 7 is sleeved on the surface of the locking screw 6. A nylon protective rope 3 passes through the inner side of the two locking cams 4.
[0026] Specifically, the locking tooth 5 is engaged with the nylon protective rope 3, and the control pull rope 7 is pulled down, which drives the two locking cams 4 to rotate synchronously towards the middle, which in turn drives the locking tooth 5 to rotate, releasing the nylon protective rope 3, so that the mounting shell 1 moves up and down on the surface of the nylon protective rope 3.
[0027] Please see Figure 3 and Figure 4 In this embodiment, a connecting hook 8 is hung on the surface of the control rope 7, and a hook spring 9 is hung at the bottom of the connecting hook 8.
[0028] The hook spring 9 has a hook at its bottom end, and a control rod 10 is attached to the bottom end of the hook spring 9 via the hook. Pulling down the control rod 10 pulls down the hook spring 9, which in turn pulls down the connecting hook 8, thus pulling down the control rope 7.
[0029] Please see Figure 3 and Figure 4 In this embodiment, an installation assembly 11 is fixedly installed at the bottom of the installation housing 1. A barbell grip bar 12 is inserted inside the installation assembly 11, and barbell end bars 13 are fixedly installed at both ends of the barbell grip bar 12.
[0030] The mounting component 11 includes a fixed half-ring 111 fixedly mounted on one side of the mounting housing 1, and a rotating half-ring 112 rotatably mounted on one end of the fixed half-ring 111.
[0031] Secondly, a locking buckle 113 is rotatably installed on one side of the mounting housing 1. The locking buckle 113 passes through the surface thread of one end of the rotating half-ring 112 and a locking nut is installed thereon. The barbell grip 12 passes through and is fixed inside the half-ring 111. The rotating half-ring 112 is rotated to the bottom of the barbell grip 12, and the barbell grip 12 is installed between the two mounting housings 1. The fixed half-ring 111 and the rotating half-ring 112 are fixed by the locking buckle 113.
[0032] Please see Figures 1 to 4 In this embodiment, a protective rope locking ring 14 is fixedly installed at the top end of the nylon protective rope 3, and a counterweight block 15 is fixedly installed at the bottom end of the nylon protective rope 3.
[0033] Two mounting shafts are fixedly mounted on the inner side wall of the mounting shell 1, and two locking cams 4 are rotatably mounted on the mounting shafts, and a clock spring reset spring is arranged between the mounting shafts and the locking cams 4.
[0034] The working principle of the above embodiment is that the user holds the barbell handle 12, pulls down the control pull rod 10, pulls down the control pull rope 7, loosens the nylon protective rope 3, the user drives the barbell to move up and down, and exercises, the mounting shell 1 moves up and down on the surface of the nylon protective rope 3, the barbell handle 12 is loosened, the control pull rod 10 is released, the locking cam 4 is reset, and the nylon protective rope 3 is locked.
[0035] The mounting mode, the connecting mode or the arrangement mode disclosed in the embodiment are all common mechanical connecting modes, and can be implemented as long as the beneficial effects can be achieved.
[0036] It should be noted that in this paper, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.
[0037] It should be noted that in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.
[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A dumbbell lifter comprising two mounting housings (1), characterised in that: The top of the mounting shell (1) is fixedly provided with a positioning sleeve (2), the inside of the positioning sleeve (2) is provided with a nylon protective rope (3), and the inside of the mounting shell (1) is provided with a locking mechanism. The locking mechanism comprises two locking cams (4) rotatably arranged on the inner side wall of the mounting shell (1), the opposite sides of the two locking cams (4) are fixedly provided with locking teeth (5), the surfaces of the two locking cams (4) away from each other are both screw-mounted with locking screws (6), the surface of the locking screw (6) is sleeved with a control pull rope (7), and the nylon protective rope (3) penetrates through the inside of the two locking cams (4).
2. A barbell lifter as claimed in claim 1 wherein: The surface of the control pull rope (7) is hung with a connecting hook (8), and the bottom of the connecting hook (8) is hung with a hook spring (9).
3. A barbell lifter as claimed in claim 2 wherein: The bottom end of the hook spring (9) is provided with a hook, and the bottom end of the hook spring (9) is hung with a control pull rod (10) through the hook.
4. A barbell lifter as claimed in claim 1 wherein: The bottom of the mounting shell (1) is fixedly provided with a mounting assembly (11), the inside of the mounting assembly (11) is provided with a barbell handle (12), and the two ends of the barbell handle (12) are fixedly provided with barbell end rods (13).
5. A barbell lifter as claimed in claim 4 wherein: The mounting assembly (11) comprises a fixed half ring (111) fixedly arranged on one side of the mounting shell (1), and a rotating half ring (112) rotatably arranged at one end of the fixed half ring (111).
6. A barbell lifter as claimed in claim 5 wherein: One side of the mounting shell (1) is rotatably provided with a lock catch (113), and the surface of one end of the rotating half ring (112) is screw-mounted with a locking nut.
7. A barbell lifter as claimed in claim 1 wherein: The top end of the nylon protective rope (3) is fixedly provided with a protective rope lock ring (14), and the bottom end of the nylon protective rope (3) is fixedly provided with a weight block (15).
8. A barbell lifter as claimed in claim 1 wherein: The inner side wall of the mounting shell (1) is fixedly provided with two mounting shafts, the two locking cams (4) are rotatably arranged on the mounting shafts, and a clockwork return spring is arranged between the mounting shafts and the locking cams (4).
Citation Information
Patent Citations
Auxiliary device for barbell flat plate bench press
CN214260493U