Smith stand device for physical exercise

Abstract

The utility model provides a Smith frame device for physical exercise. The Smith frame device comprises a machine frame and a lifting assembly. The lifting assembly comprises a barbell rod arranged on the guide frame, a fixing block is arranged on the barbell rod, a limiting pin is arranged on the fixing block, a sliding frame is arranged on the sliding block, a pressing block is arranged on one side of the barbell rod, the pressing block is connected with the sliding frame, a contact rod is arranged on one side of the limiting pin, and a wedge-shaped contact block is arranged on one side of the pressing block. During use, the barbell rod can move relative to the guide frame by holding the pressing block to get close to the barbell rod, driving the contact rod to move, enabling the moving rod to be in contact with the wedge-shaped contact block and driving the limiting pin to be separated from the limiting slot, so that exercise is facilitated, a full-holding posture is changed into a half-holding posture when exercise is completed, and the pressing block is pushed out under the action of the spring; the barbell rod resetting device is easy to operate, and compared with the mode of fixing through a hook claw in the prior art, the barbell rod does not need to be driven to rotate, the risk that the barbell rod accidentally slips out of the hand is reduced, and the safety of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sports equipment, in particular to a Smith frame device for physical exercise. Background Art

[0002] Compared with free equipment, the Smith rack connects the two sides of the barbell through sliders and uses guide rods to limit the movement of the sliders and the barbell to prevent the barbell from shaking during exercise, making it easier for exercisers to recruit specific muscle groups. It is a very useful fitness equipment. The sliding trajectory of the barbell is restricted, so trainers can use heavy weights with confidence.

[0003] In the prior art, the barbell rod is rotatably arranged on the slider. When exercising, the barbell needs to be pushed up first, and then the barbell rod is rotated to disengage the hook on one side of the barbell and move away from the protrusion on the side of the Smith frame. This is inconvenient to use, and the barbell is prone to fall off during the process of rotating the barbell rod, posing a safety hazard. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a Smith rack device for physical exercise, aiming to solve the technical problems in the existing technology that the Smith rack is inconvenient to use and has safety hazards.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a Smith rack device for physical exercise, comprising:

[0006] A frame, the frame comprising a base frame, two guide frames provided on opposite sides of the base frame, and a limit frame provided on one side of the guide frame, wherein the limit frame is evenly provided with a plurality of limit slots;

[0007] The lifting assembly comprises a slider slidably arranged on the guide frame, the slider comprising a main body portion corresponding to the guide frame, and a protrusion formed by extending from one side of the main body portion, a barbell bar is fixed between the two protrusions, and the lifting assembly also comprises a fixed block provided on the barbell bar, a limit pin slidably provided on the fixed block and corresponding to the limit slot, the slider is provided with a guide rail, a sliding frame is provided on the guide rail, a pressure block is provided on one side of the barbell bar, the pressure block is connected to the sliding frame, a contact rod is provided on the side of the limit pin away from the limit frame, a wedge-shaped contact block is provided on one side of the pressure block and corresponding to the contact rod, the contact block is used to push the contact rod and the limit pin to move when the pressure block moves close to one side of the barbell bar, so that the limit pin disengages from the limit slot.

[0008] According to one aspect of the above technical solution, the limit pin includes a pin body and a pin cap provided on one side of the pin body. A spring is provided between the pin cap and the fixed block. The spring is used to push the limit pin toward the side close to the limit slot when there is no external force.

[0009] According to one aspect of the above technical solution, a receiving groove corresponding to the pressing block is provided on the barbell bar.

[0010] According to one aspect of the above technical solution, anti-slip grooves are provided on a side of the pressing block away from the accommodating groove.

[0011] According to one aspect of the above technical solution, the lifting assembly also includes a protection mechanism, which includes a locking block that is adjustably arranged on the limit frame, and the locking block includes a locking block body and a protection portion extended from one side of the locking block body, and the protection portion is arranged corresponding to the slider.

[0012] According to one aspect of the above technical solution, the locking block further includes a locking portion provided on one side of the locking block body, and the locking portion includes a locking pin provided corresponding to the two limiting slots.

[0013] According to one aspect of the above technical solution, the limit frame includes a support plate fixed on the base frame, connecting blocks arranged on opposite sides of the support plate, and a limit plate arranged on one side of the top of the two connecting blocks, and the limit slot is opened on the limit plate.

[0014] According to one aspect of the above technical solution, the chassis includes two longitudinal beams arranged at intervals, and a transverse beam arranged between the two longitudinal beams.

[0015] The cam is provided with a plurality of guide rails, and the guide rail is provided with a plurality of guide rails, and the guide rail is provided with a plurality of guide rails. The guide rail is provided with a plurality of guide rails, and the guide rail is provided with a plurality of guide rails. The guide rail is provided with a plurality of guide rails, and the guide rail is provided with a plurality of guide rails. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of a Smith rack device for physical exercise in one embodiment of the present invention;

[0017] Figure 2 for Figure 1 Enlarged view of part A in the middle;

[0018] Figure 3 for Figure 1 Enlarged view of middle part B;

[0019] Figure 4 This is a structural diagram of a locking block in one embodiment of the present utility model;

[0020] Description of main component symbols:

[0021] Longitudinal beam 110, transverse beam 120, guide frame 130, limiting frame 140, support plate 141, connecting block 142, limiting plate 143, limiting slot 144, barbell bar 200, receiving slot 210, slider 220, pressing block 300, guide rail 310, sliding frame 320, wedge-shaped contact block 330, contact rod 340, limiting pin 350, spring 360, locking block body 410, locking pin 420;

[0022] The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0023] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The drawings illustrate several embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] See also Figures 1 to 4 , shown is a Smith machine device for physical exercise in one embodiment of the present invention, including a frame and a lifting assembly; the frame includes a base frame, two guide frames 130 arranged on opposite sides of the base frame, and a limit frame 140 arranged on one side of the guide frame 130, and a plurality of limit slots 144 are evenly opened on the limit frame 140; the lifting assembly includes a slider 220 slidably arranged on the guide frame 130, the slider 220 includes a main body portion corresponding to the guide frame 130, and a protrusion extended from one side of the main body portion, a barbell bar 200 is fixed between the two protrusions, and the lifting assembly also includes a fixing block provided on the barbell bar 200, the fixing block The upper sliding type is provided with a limit pin 350 corresponding to the limit slot 144, the slider 220 is provided with a guide rail 310, the guide rail 310 is provided with a sliding frame 320, one side of the barbell rod 200 is provided with a pressure block 300, the pressure block 300 is connected to the sliding frame 320, the limit pin 350 is provided with a contact rod 340 on the side away from the limit frame 140, and the pressure block 300 is provided with a wedge-shaped contact block 330 corresponding to the contact rod 340 on one side. The contact block is used to push the contact rod 340 and the limit pin 350 to move when the pressure block 300 moves close to the side of the barbell rod 200, so that the limit pin 350 is disengaged from the limit slot 144.

[0027] Specifically, in this embodiment, the limiting pin 350 includes a pin body and a pin cap disposed on one side of the pin body. A spring 360 is disposed between the pin cap and the fixing block. The spring 360 is configured to push the limiting pin 350 toward the side closer to the limiting slot 144 when no external force is applied. Due to the provision of the spring 360, when the pressing block 300 is held, the limiting pin 350 moves away from the limiting slot 144, causing the spring 360 to be stretched. Upon completion of exercise and the pressing block 300 being released, the limiting pin 350, under the restoring force of the spring 360, moves toward the side closer to the limiting slot 144, inserting into the limiting frame 140 for complete fixation.

[0028] Preferably, in this embodiment, the barbell bar 200 is provided with a receiving groove 210 corresponding to the pressing block 300. When holding the pressing block 300, part of the pressing block 300 can be pressed into the receiving groove 210, so that the exerciser can hold the barbell bar 200 tightly.

[0029] Preferably, in this embodiment, the pressing block 300 is provided with anti-slip grooves (not shown) on a side away from the receiving slot 210. The main purpose of the anti-slip grooves is to increase the friction on the surface of the pressing block 300, so that the user can better control the barbell 200 when holding the pressing block 300 and prevent it from slipping during exercise. Even in sweaty or wet conditions, the user can better grip the pressing block 300, thereby reducing the risk of the barbell 200 slipping.

[0030] Preferably, in this embodiment, the lifting assembly further includes a protection mechanism, comprising a lock block adjustably mounted on the limit frame 140. The lock block comprises a lock block body 410 and a protection portion extending from one side of the lock block body 410, the protection portion being disposed corresponding to the slider 220. The lock block is provided to limit the travel of the barbell relative to the guide frame 130. For example, when an exerciser reaches exhaustion at the bottom of a squat, the lock block can be provided to support the barbell, thereby avoiding unnecessary pressure or potential injury.

[0031] Specifically, in this embodiment, the locking block further includes a locking portion provided on one side of the locking block body 410, and the locking portion includes locking pins 420 provided corresponding to the two limiting slots 144. By providing two locking pins 420 to fix the locking block, the stability of the locking block can be ensured.

[0032] Specifically, in this embodiment, the limiting frame 140 includes a support plate 141 fixed to the base frame, connecting blocks 142 provided on opposite sides of the support plate 141, and a limiting plate 143 provided on one side of the top of the two connecting blocks 142. The limiting slot 144 is defined on the limiting plate 143. The connecting blocks 142 and the limiting plate 143 together form a receiving space corresponding to the limiting pin 350.

[0033] In addition, in this embodiment, the chassis includes two longitudinal beams 110 spaced apart and a cross beam 120 disposed between the two longitudinal beams 110. Part of the limiting frame 140 is located on the cross beam 120, ensuring the stability of the chassis.

[0034] In summary, the Smith frame device for physical exercise in the above-mentioned embodiment of the present invention is provided with a frame, which includes a base frame, a guide frame 130 provided on the base frame, and a limit frame 140 provided on one side of the guide frame 130. The limit frame 140 is provided with a limit slot 144, a slider 220 is provided on the guide frame 130, a barbell rod 200 is provided on the slider 220, a pressure block 300 is provided on one side of the barbell rod 200, the pressure block 300 is connected to the sliding frame 320, a contact rod 340 is provided on the side of the limit pin 350 away from the limit frame 140, and a wedge-shaped contact block 330 is provided on one side of the pressure block 300 corresponding to the contact rod 340. When in use, by holding the pressure The block 300 approaches the barbell bar 200, driving the contact rod 340 to move, and the moving rod contacts the wedge-shaped contact block 330, driving the limit pin 350 to disengage the limit slot 144, so that the barbell bar 200 can move relative to the guide frame 130, which is convenient for exercise. When the exercise is completed, the full grip posture is changed to a half grip, and the pressure block 300 is pushed out under the action of the spring 360, so that the limit pin 350 is inserted into the limit slot 144, completing the reset of the barbell bar 200. The operation is simple. Compared with the Smith rack in the prior art that needs to be fixed by hooks, there is no need to drive the barbell bar 200 to rotate, which reduces the risk of the barbell bar 200 accidentally falling out of the hand and improves the safety of the equipment.

[0035] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0036] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A Smith rack device for physical exercise, characterized in that: include: A frame, the frame comprising a base frame, two guide frames arranged on opposite sides of the base frame, and a limit frame arranged on one side of the guide frame, wherein a plurality of limit slots are evenly arranged on the limit frame; The lifting assembly comprises a slider slidably arranged on the guide frame, the slider comprises a main body portion corresponding to the guide frame, and a protrusion extending from one side of the main body portion, a barbell bar is fixed between the two protrusions, the lifting assembly also comprises a fixed block arranged on the barbell bar, a limit pin corresponding to the limit slot is slidably provided on the fixed block, a guide rail is provided on the slider, a sliding frame is provided on the guide rail, a pressure block is provided on one side of the barbell bar, the pressure block is connected to the sliding frame, a contact rod is provided on the side of the limit pin away from the limit frame, and a wedge-shaped contact block corresponding to the contact rod is provided on one side of the pressure block, and the contact block is used to push the contact rod and the limit pin to move when the pressure block moves close to one side of the barbell bar, so that the limit pin disengages from the limit slot.

2. The Smith rack device for physical training according to claim 1, characterized in that: The limiting pin includes a pin body and a pin cap arranged on one side of the pin body. A spring is arranged between the pin cap and the fixing block. The spring is used to push the limiting pin to move toward a side close to the limiting slot when no external force is applied.

3. The Smith rack device for physical training according to claim 1, characterized in that: The barbell rod is provided with a receiving groove corresponding to the pressing block.

4. The Smith rack device for physical training according to claim 3, characterized in that: The side of the pressing block away from the accommodating groove is provided with anti-slip grooves.

5. The Smith rack device for physical training according to claim 1, characterized in that: The lifting assembly also includes a protection mechanism, which includes a locking block adjustably arranged on the limiting frame, the locking block includes a locking block body, and a protection portion extending from one side of the locking block body, and the protection portion is arranged corresponding to the sliding block.

6. The Smith rack device for physical training according to claim 5, characterized in that: The locking block further comprises a locking portion arranged on one side of the locking block body, and the locking portion comprises a locking pin arranged corresponding to the two limiting slots.

7. The Smith rack device for physical training according to claim 1, characterized in that: The limiting frame includes a support plate fixed on the base frame, connection blocks arranged on opposite sides of the support plate, and a limiting plate arranged on one side of the top of the two connection blocks, and the limiting slot is opened on the limiting plate.

8. The Smith rack device for physical training according to claim 1, characterized in that: The chassis includes two longitudinal beams arranged at intervals, and a cross beam arranged between the two longitudinal beams.

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