Triceps brachii stretching exercise training device

Abstract

The utility model discloses a triceps brachii stretching exercise training device. The device comprises a portal frame; the counterweight assembly is rotationally connected with the portal frame; the built-in limiting assembly is used for limiting the rotating angle of the counterweight assembly; the connecting assembly comprises a first connecting arm and a second connecting arm, one end of the first connecting arm is detachably and fixedly connected with the counterweight frame, one end of the second connecting arm is detachably and fixedly connected with the counterweight frame, and the end, away from the counterweight frame, of the first connecting arm and the end, away from the counterweight frame, of the second connecting arm both incline upwards; and the pull-down assembly is rotationally connected with the connecting assembly, and the balancing weight moves on the side, opposite to the pull-down assembly, of the portal frame. When the resistance needs to be adjusted, the driving rod can be rotated to drive the balancing weight to move in the shell, the balancing weight is located at different positions in the shell and can provide different resistances for triceps brachii stretching exercise training, resistance adjustment is achieved, and therefore different training requirements of users are met.

Description

Technical Field

[0001] The utility model generally relates to the field of fitness equipment, specifically to the field of outdoor fitness equipment, and in particular to a triceps stretching exercise training device. Background Art

[0002] Outdoor fitness equipment is generally called community fitness equipment, also known as park fitness equipment. It decorates modern cities and provides convenience for national fitness anytime and anywhere. The equipment settings in outdoor fitness equipment target the general public. Its popularity makes it simple, easy to learn and quick to see results.

[0003] Existing outdoor fitness equipment generally uses the user's own weight as training resistance, and the resistance cannot be adjusted. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a triceps stretching exercise training device capable of adjusting resistance.

[0005] In a first aspect, the utility model provides a triceps stretching exercise training device, the triceps stretching exercise training device comprising:

[0006] Gantry;

[0007] A counterweight assembly is rotatably connected to the gantry, the counterweight assembly comprises a shell, a counterweight frame, a counterweight block and a driving rod, the counterweight frame and the counterweight block are both located in the shell, the shell is fixedly connected to the counterweight frame, the counterweight block is slidably connected to the counterweight frame, end plates are respectively provided at both ends of the shell, the driving rod is screwed to the counterweight block, and the driving rod is rotatably connected to the two end plates respectively;

[0008] A built-in limiting assembly, which is used to limit the rotation angle of the counterweight assembly;

[0009] A connecting assembly, comprising a first connecting arm and a second connecting arm, wherein one end of the first connecting arm is detachably fixedly connected to the counterweight frame, one end of the second connecting arm is detachably fixedly connected to the counterweight frame, one end of the first connecting arm away from the counterweight frame is detachably fixedly connected to one end of the second connecting arm away from the counterweight frame, and one end of the first connecting arm away from the counterweight frame and one end of the second connecting arm away from the counterweight frame are both inclined upward; and

[0010] A pull-down assembly is rotatably connected to the connecting assembly, and the pull-down assembly includes a first handle and a second handle.

[0011] The counterweight moves on a side of the gantry facing away from the pull-down assembly.

[0012] According to the technical solution provided in the embodiment of the present application, when the user performs triceps extension exercise training by grasping the first grip and the second grip, the pull-down assembly is driven downward by both arms, and the counterweight assembly is driven to rotate relative to the gantry through the connecting assembly. During the triceps extension exercise training, the gravity of the counterweight block is used to provide resistance for the triceps extension exercise training. When the resistance needs to be adjusted, the driving rod can be rotated to drive the counterweight block to move in the shell. The counterweight block located at different positions in the shell can provide different resistances for the triceps extension exercise training, realize resistance adjustment, and thus meet the different training needs of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0014] Figure 1 It is a front view of the triceps stretching exercise training device according to an embodiment of the utility model;

[0015] Figure 2 It is a right side view of the triceps stretching exercise training device according to an embodiment of the utility model;

[0016] Figure 3 A three-dimensional diagram of a triceps stretching exercise training device according to an embodiment of the present utility model;

[0017] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;

[0018] Figure 5 It is a structural schematic diagram of a weight assembly of a triceps stretching exercise training device according to an embodiment of the utility model;

[0019] Figure 6 for Figure 5 A partial enlarged view of the middle A;

[0020] Figure 7 It is a schematic structural explosion diagram of the built-in limiting component of the triceps stretching exercise training device according to an embodiment of the utility model. DETAILED DESCRIPTION

[0021] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] Please refer to Figures 1 to 7 The utility model discloses a triceps stretching exercise training device, which comprises: a gantry 100; a counterweight assembly 200, which is rotatably connected to the gantry 100, the counterweight assembly 200 comprises a shell 210, a counterweight frame 220, a counterweight block 230 and a driving rod 250, the counterweight frame 220 and the counterweight block 230 are both located in the shell 210, the shell 210 is fixedly connected to the counterweight frame 220, the counterweight block 230 is slidably connected to the counterweight frame 220, end plates 211 are respectively arranged at both ends of the shell 210, the driving rod 250 is screwed to the counterweight block 230, and the driving rod 250 is rotatably connected to the two end plates 211; a built-in limit assembly 300, which is used to limit the rotation angle of the counterweight assembly 200; a connecting assembly 40 0, which includes a first connecting arm 410 and a second connecting arm 420, one end of the first connecting arm 410 is detachably fixedly connected to the counterweight frame 220, one end of the second connecting arm 420 is detachably fixedly connected to the counterweight frame 220, one end of the first connecting arm 410 away from the counterweight frame 220 is detachably fixedly connected to the second connecting arm 420 away from the counterweight frame 220, one end of the first connecting arm 410 away from the counterweight frame 220 and one end of the second connecting arm 420 away from the counterweight frame 220 are both inclined upward; and a pull-down assembly 500, which is rotatably connected to the connecting assembly 400, the pull-down assembly 500 includes a first handle 510 and a second handle 520, and the counterweight block 230 moves on the side of the gantry 100 facing away from the connecting assembly 400.

[0024] In the embodiment of the utility model, the gantry 100 includes two vertical rods 140 and a cross rod 150, the cross rod 150 is located between the two vertical rods 140, and the two vertical rods 140 are respectively connected to the cross rod 150 by bolts to achieve detachable fixed connection. The counterweight assembly 200 is respectively connected to the two vertical rods 140 to ensure the stability of the rotational connection between the counterweight assembly 200 and the gantry 100.

[0025] The counterweight assembly 200 includes a housing 210, a counterweight frame 220, a counterweight block 230 and a driving rod 250, wherein the driving rod 250 passes through the counterweight block 230, and the driving rod 250 is connected to the counterweight block 230 by a thread. The driving rod 250 is rotated to drive the counterweight block 230 to move along the length direction of the driving rod 250, and the counterweight block 230 is driven to move in the housing 210. The counterweight block 230 is located at different positions in the housing 210 to provide different resistances for triceps extension exercise training, thereby achieving resistance adjustment. When the counterweight block 230 is away from the gantry 100, the training resistance will increase; when the counterweight block 230 is close to the gantry 100, the training resistance will decrease. The counterweight frame 220 and the counterweight block 230 are both located in the housing 210, and end plates 211 are respectively provided at both ends of the housing 210. The housing 210 can prevent the counterweight frame 220 and the counterweight block 230 from being exposed, which not only ensures the personal safety of the user, but also protects the counterweight frame 220 and the counterweight block 230. The driving rod 250 is rotatably connected to the two end plates 211 respectively, and the two end plates 211 can support the driving rod 250, ensuring the stability of the driving rod 250.

[0026] The connecting assembly 400 includes a first connecting arm 410 and a second connecting arm 420, one end of the first connecting arm 410 is detachably fixedly connected to the counterweight frame, one end of the second connecting arm is detachably fixedly connected to the counterweight frame, and one end of the first connecting arm away from the counterweight frame is detachably fixedly connected to one end of the second connecting arm away from the counterweight frame. When packing and transporting the triceps extension exercise training device, the first connecting arm 410 and the second connecting arm 420 can be separated from the counterweight frame 220, and the first connecting arm 410 and the second connecting arm 420 are separated, and then installed after arriving at the installation site, which is convenient for packaging and transportation. The first connecting arm and the second connecting arm are both tilted upward, and the pull-down assembly is rotatably connected to the connecting assembly, so that the user can grasp the first handle and the second handle, and then pull the pull-down assembly downward to perform triceps extension exercise training. Because the counterweight block 230 moves to one side of the pull-down assembly 400 behind the gantry 100. When the user performs triceps stretching exercise, the user grasps the first handle and the second handle to pull the connecting assembly downward, thereby driving the counterweight assembly 200 to rotate relative to the gantry 100. At this time, the vertical height of the counterweight block 230 increases, and the gravity of the counterweight block 230 provides resistance for the triceps stretching exercise. When the user performs triceps stretching exercise, the pull-down assembly rotates relative to the connecting assembly, ensuring the effect of the triceps stretching exercise.

[0027] The counterweight assembly 200 is rotatably connected to the gantry 100. The counterweight frame 220 may be fixedly connected to a rotating shaft 221, and the gantry 100 is fixedly connected to a sleeve 130, and the rotating shaft 221 is partially inserted into the sleeve 130. The sleeve 130 is fixedly connected to a fixing plate 131, and a bolt is passed through a fixing hole 141 provided on the fixing plate 131 and the gantry 100 to fix the fixing plate 131 and the gantry 100. A plurality of fixing holes 141 may be provided on the gantry 100 to adjust the fixed position of the fixing plate 131 and the gantry 100. A bearing is provided between the rotating shaft 221 and the sleeve 130 to realize the rotatable connection between the rotating shaft 221 and the sleeve 130, thereby realizing the rotatable connection between the gantry 100 and the counterweight assembly 200. The built-in limiting assembly 300 includes a first fixed block 310 and a second fixed block 320 which are arranged opposite to each other. The first fixed block 310 is fixedly connected to the rotating shaft 221, and the second fixed block 320 is fixedly connected to the shaft sleeve 130. The first fixed block 310 is fixedly connected with a plurality of limiting rods 311, and the second fixed block 320 is provided with a plurality of limiting grooves 321. The limiting rods 311 and the limiting grooves 321 are in a one-to-one correspondence. One limiting rod 311 extends into one limiting groove 321. The limiting groove 321 can limit the range of motion of the limiting rod 311, thereby limiting the rotation angle of the first fixed block 310 relative to the second fixed block 320, and further limiting the rotation angle of the counterweight assembly 200. The built-in limiting assembly 300 may also include a casing 330. The first fixed block 310 and the second fixed block 320 are in the casing 330 to prevent the first fixed block 310 and the second fixed block 320 from being exposed, thereby ensuring the safety of the triceps extension exercise training device.

[0028] Furthermore, one end of the first connecting arm 410 away from the counterweight frame 220 is fixedly connected to the first connecting plate 411, and one end of the second connecting arm 420 away from the counterweight frame 220 is fixedly connected to the second connecting plate 421. The pull-down assembly 500 includes a connecting tube 530, and the first handle and the second handle 520 are respectively fixedly connected to the connecting tube 530. The connecting tube 530 is fixedly connected to a third fixed plate 540 and a fourth fixed plate 550. The third fixed plate 540 and the fourth fixed plate 550 are respectively detachably fixedly connected to the rotating shaft 560, and the first connecting plate 411 and the second connecting plate 421 are respectively rotatably connected to the rotating shaft 560.

[0029] In the embodiment of the utility model, the third fixing plate 540 and the fourth fixing plate 550 are respectively detachably fixedly connected to the rotating shaft 560, and the first connecting plate 411 and the second connecting plate 421 are respectively rotatably connected to the rotating shaft 560, so as to realize the rotation connection between the pull-down assembly 500 and the connecting assembly 400, thereby ensuring the reliability of the rotation connection. The third fixing plate 540 and the fourth fixing plate 550 are respectively detachably fixedly connected to the rotating shaft 560, and the third fixing plate 540 and the fourth fixing plate 550 can be, but are not limited to, respectively detachably fixedly connected to the rotating shaft 560 by bolts. The rotating shaft 560 passes through the first connecting plate 411, the second connecting plate 421, the third fixed plate 540 and the fourth fixed plate 550. One end of the rotating shaft 560 is locked with the third fixed plate 540 by bolts, and the other end of the rotating shaft 560 is locked with the fourth fixed plate 550 by bolts, thereby fixing the first connecting plate 411 and the second connecting plate 421. When performing triceps stretching exercise training, the first connecting arm 410 and the second connecting arm 420 can be subjected to force synchronously, thereby ensuring the reliability of the triceps stretching exercise training device.

[0030] Furthermore, the first connecting plate 411 is fixedly connected to the first reinforcing sleeve 412 , the second connecting plate 421 is fixedly connected to the second reinforcing sleeve 422 , and the rotating shaft 560 passes through the first reinforcing sleeve 412 and the second reinforcing sleeve 422 .

[0031] In the embodiment of the utility model, the reliability of the rotational connection between the first connecting plate 411 and the rotating shaft 560 is ensured by providing the first reinforcing sleeve 412. A copper-based bearing can be provided between the first reinforcing sleeve 412 and the rotating shaft 560 to reduce the friction of the rotating shaft 560.

[0032] The second reinforcing sleeve 422 is provided to ensure the reliability of the rotational connection between the second connecting plate 421 and the rotating shaft 560. A copper-based bearing may be provided between the second reinforcing sleeve 422 and the rotating shaft 560 to reduce the friction of the rotating shaft 560.

[0033] Furthermore, a reinforcement tube 570 is provided between the first handle and the second handle 520 .

[0034] In the embodiment of the present utility model, the overall strength of the pull-down assembly 500 is ensured by providing the reinforcing tube 570 .

[0035] Furthermore, the gantry 100 is respectively fixedly connected with a first supporting leg 110 and a second supporting leg 120 , the length of the first supporting leg 110 is greater than the length of the second supporting leg 120 , and the second supporting leg 120 and the connecting assembly 400 are located on the same side of the gantry 100 .

[0036] In the embodiment of the present utility model, the first supporting leg 110 and the second supporting leg 120 are separated, and the gantry 100 is supported by the first supporting leg 110 and the second supporting leg 120 , thereby ensuring the stability of the gantry 100 .

[0037] The length of the first supporting leg 110 is greater than that of the second supporting leg 120, and the second supporting leg 120 is located below the counterweight block 230. When adjusting the position of the counterweight block 230, the projection of the center of gravity of the counterweight assembly 200 on the ground is ensured to always be between the first supporting leg 110 and the second supporting leg 120, thereby ensuring the reliability and safety of the triceps extension exercise training device.

[0038] Furthermore, one end of the driving rod 250 close to the connecting assembly 400 extends out of the end plate 211 and is fixedly connected to the driving disk 251 .

[0039] In the embodiment of the utility model, the driving disk 251 is located outside the housing 210. The driving rod 250 is driven to rotate by rotating the driving disk 251, thereby driving the counterweight block 230 to move in the housing 210. The counterweight block 230 is located at different positions in the housing 210 to provide different resistances for triceps extension exercise training, thereby achieving training resistance adjustment. By providing the driving disk 251, it is convenient for the user to drive the driving rod 250 to rotate to adjust the training resistance, thereby reducing the difficulty of adjusting the training resistance.

[0040] Furthermore, the driving disk 251 is connected to a handle 252 .

[0041] In the embodiment of the present utility model, the user can drive the driving disk 251 to rotate by grasping the handle 252, which is convenient for operation.

[0042] refer to Figure 5 Furthermore, the driving rod 250 is fixedly connected with a first limit block 253 and a second limit block 254 , and the counterweight block 230 moves between the first limit block 253 and the second limit block 254 .

[0043] In the embodiment of the utility model, the first limit block 253 and the second limit block 254 are provided to limit the movement range of the counterweight block 230 relative to the driving rod 250, thereby ensuring the reliability of the triceps extension exercise training device.

[0044] refer to Figure 5 Furthermore, a plurality of drainage holes 212 are provided on the side of the shell 210 facing the ground.

[0045] In an embodiment of the utility model, the triceps stretching exercise training device is placed outdoors as outdoor fitness equipment. A drainage hole 212 is provided to allow rainwater in the shell 210 to be discharged, thereby preventing rainwater from accumulating in the shell 210, thereby extending the service life and reliability of the triceps stretching exercise training device.

[0046] Furthermore, the counterweight block 230 is composed of a plurality of counterweight plates 231 that are detachably fixedly connected.

[0047] In the embodiment of the utility model, the multiple weight plates 231 can be detachably fixed by bolts. Specifically, the bolts are passed through the multiple weight plates 231 and then screwed with nuts. The multiple bolts can be used to fix the multiple weight plates 231, thereby ensuring the reliability of fixing the multiple weight plates 231. The number of weight plates 231 can be set according to customer needs to configure the weight.

[0048] refer to Figure 5 and 6 Furthermore, the two ends of the counterweight block 230 are respectively and detachably fixedly connected with sliders 240, and the slider 240 is provided with a sliding part 241, and the sliding part 241 is located between the counterweight block 230 and the counterweight frame 220. The sliding part 241 slides on the counterweight frame 220, and a gap is provided between the counterweight block 230 and the counterweight frame 220.

[0049] In the embodiment of the utility model, the slider 240 and the counterweight frame 220 are slidably matched, and when the driving rod 250 is rotated, the counterweight block 230 can slide along the guide of the counterweight frame 220, thereby ensuring the stability of the movement of the counterweight block 230. The slider 240 is provided with a sliding portion 241, and the sliding portion 241 can separate the counterweight block 230 from the counterweight frame 220. When the counterweight block 230 moves, the surface contacts and rubs with the counterweight frame 220, thereby avoiding unnecessary wear of the counterweight block 230 and the counterweight frame 220.

[0050] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A triceps stretching exercise training device, characterized in that: The triceps extension exercise training device comprises: Gantry; A counterweight assembly is rotatably connected to the gantry, the counterweight assembly comprises a shell, a counterweight frame, a counterweight block and a driving rod, the counterweight frame and the counterweight block are both located in the shell, the shell is fixedly connected to the counterweight frame, the counterweight block is slidably connected to the counterweight frame, end plates are respectively provided at both ends of the shell, the driving rod is screwed to the counterweight block, and the driving rod is rotatably connected to the two end plates respectively; A built-in limiting assembly, which is used to limit the rotation angle of the counterweight assembly; A connecting assembly, comprising a first connecting arm and a second connecting arm, wherein one end of the first connecting arm is detachably fixedly connected to the counterweight frame, one end of the second connecting arm is detachably fixedly connected to the counterweight frame, one end of the first connecting arm away from the counterweight frame is detachably fixedly connected to one end of the second connecting arm away from the counterweight frame, and one end of the first connecting arm away from the counterweight frame and one end of the second connecting arm away from the counterweight frame are both inclined upward; and A pull-down assembly is rotatably connected to the connecting assembly, and the pull-down assembly includes a first handle and a second handle. The counterweight moves on a side of the gantry facing away from the pull-down assembly.

2. The triceps stretching exercise training device according to claim 1, characterized in that: The built-in limiting assembly includes a first fixed block and a second fixed block which are arranged relatively to each other, the first fixed block is fixedly connected to the rotating shaft, the rotating shaft is fixedly connected to the counterweight frame, the second fixed block is fixedly connected to the shaft sleeve, the shaft sleeve is fixedly connected to the gantry with adjustable height, the rotating shaft partially extends into the shaft sleeve and is rotatably connected to the shaft sleeve, the first fixed block is fixedly connected to a plurality of limiting rods, the second fixed block is provided with a plurality of limiting grooves, the limiting rods correspond to the limiting grooves one by one, and one limiting rod extends into one limiting groove.

3. The triceps stretching exercise training device according to claim 2, characterized in that: The shaft sleeve is fixedly connected with a fixing plate, and the gantry is provided with a plurality of fixing holes along the height direction. Bolts pass through the fixing holes and the fixing plate to fix the fixing plate and the gantry.

4. The triceps stretching exercise training device according to claim 1, characterized in that: The first connecting arm is fixedly connected to a first connecting plate at one end away from the counterweight frame, the second connecting arm is fixedly connected to a second connecting plate at one end away from the counterweight frame, the pull-down assembly includes a connecting tube, the first handle and the second handle are fixedly connected to the connecting tube respectively, the connecting tube is fixedly connected to a third fixing plate and a fourth fixing plate, the third fixing plate and the fourth fixing plate are respectively detachably fixedly connected to the rotating shaft, and the first connecting plate and the second connecting plate are respectively rotatably connected to the rotating shaft.

5. The triceps stretching exercise training device according to claim 4, characterized in that: The first connecting plate is fixedly connected with a first reinforcing sleeve, the second connecting plate is fixedly connected with a second reinforcing sleeve, and the rotating shaft passes through the first reinforcing sleeve and the second reinforcing sleeve.

6. The triceps stretching exercise training device according to claim 4, characterized in that: A reinforcement tube is also provided between the first handle and the second handle.

7. The triceps stretching exercise training device according to claim 1, characterized in that: The gantry is fixedly connected with a first supporting leg and a second supporting leg respectively, the length of the first supporting leg is greater than the length of the second supporting leg, and the second supporting leg and the connecting assembly are located on the same side of the gantry.

8. The triceps stretching exercise training device according to claim 1, characterized in that: The driving rod is fixedly connected with a first limit block and a second limit block, and the counterweight block moves between the first limit block and the second limit block.

9. The triceps stretching exercise training device according to claim 1, characterized in that: A plurality of drainage holes are arranged on one side of the shell facing the ground.

10. The triceps stretching exercise training device according to claim 1, characterized in that: Slide blocks are detachably fixedly connected to both ends of the counterweight block, and the slide block is provided with a sliding portion. The sliding portion is located between the counterweight block and the counterweight frame, and the sliding portion slides on the counterweight frame. A gap is provided between the counterweight block and the counterweight frame.

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