Pull-down training device

Abstract

The utility model discloses a pull-down training device. The pull-down training device comprises a portal frame; the counter weight assembly is rotationally connected with the portal frame and comprises a shell, a counter weight frame, a counter weight block and a driving rod, the shell is fixedly connected with the counter weight frame, the counter weight block is in sliding connection with the counter weight frame, end plates are arranged at the two ends of the shell respectively, the driving rod is in threaded connection with the counter weight block, and the driving rod is rotationally connected with the two end plates respectively; a seat; a limiting assembly is arranged inside; the pull-down assembly comprises a first pull-down arm and a second pull-down arm, one end of the first pull-down arm is fixedly connected with the counterweight frame, the other end of the first pull-down arm is fixedly connected with a first handle, one end of the second pull-down arm is fixedly connected with the counterweight frame, and the other end of the second pull-down arm is fixedly connected with a second handle; the balancing weight moves on the side, opposite to the pull-down assembly, of the portal frame. The balancing weight is located at different positions in the shell and can provide different resistances for pull-down 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 pull-down 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 pull-down training device capable of adjusting resistance.

[0005] In a first aspect, the pull-down training device of the present invention comprises:

[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] Seats;

[0009] A built-in limiting assembly, which is used to limit the rotation angle of the counterweight assembly; and

[0010] The pull-down assembly includes a first pull-down arm and a second pull-down arm, one end of the first pull-down arm is fixedly connected to the counterweight frame, the other end of the first pull-down arm is fixedly connected to a first handle, one end of the second pull-down arm is fixedly connected to the counterweight frame, the other end of the second pull-down arm is fixedly connected to a second handle, one end of the first pull-down arm fixedly connected to the first handle and one end of the second pull-down arm fixedly connected to the second handle are respectively inclined upwards,

[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 pull-down training by grasping the first handle and the second handle, the counterweight assembly is driven to rotate relative to the gantry. During the pull-down training, the gravity of the counterweight block is used to provide resistance for the pull-down training. When the resistance needs to be adjusted, the driving rod can be rotated to drive the counterweight block to move in the housing. The counterweight block located at different positions in the housing can provide different resistances for pull-down training, realizing resistance adjustment, thereby meeting 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 pull-down training device according to an embodiment of the utility model;

[0015] Figure 2 It is a right side view of the pull-down training device according to an embodiment of the utility model;

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

[0017] Figure 4 It is a structural schematic diagram of a weight assembly of a pull-down training device according to an embodiment of the utility model;

[0018] Figure 5 for Figure 4 A partial enlarged view of the middle A;

[0019] Figure 6 It is a schematic structural explosion diagram of the built-in limiting assembly of the pull-down training device according to an embodiment of the utility model. DETAILED DESCRIPTION

[0020] 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.

[0021] 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.

[0022] Please refer to Figures 1 to 6The pull-down training device of the utility model 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 respectively; a seat 500; a built-in limit assembly 300, which is used to limit the counterweight frame 220. The rotation angle of the heavy component 200; and the pull-down component 400, which includes a first pull-down arm 410 and a second pull-down arm 420, one end of the first pull-down arm 410 is fixedly connected to the counterweight frame 220, the other end of the first pull-down arm 410 is fixedly connected to the first handle 411, one end of the second pull-down arm 420 is fixedly connected to the counterweight frame 220, the other end of the second pull-down arm 420 is fixedly connected to the second handle 421, one end of the first pull-down arm 410 to which the first handle 411 is fixed and one end of the second pull-down arm 420 to which the second handle 421 is fixed are respectively inclined upward, and the counterweight block 230 moves on one side of the pull-down component 400 behind the gantry 100.

[0023] 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.

[0024] The counterweight assembly 200 includes a housing 210, a counterweight frame 220, a counterweight block 230, and a driving rod 250. 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 pull-down 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.

[0025] The pull-down assembly 400 includes a first pull-down arm 410 and a second pull-down arm 420. The first pull-down arm 410 is provided with a first handle 411, and the second pull-down arm 420 is provided with a second handle 421. The first pull-down arm 410 and the second pull-down arm 420 are respectively fixedly connected to the counterweight frame 220. The counterweight block 230 moves between the gantry 100 and the pull-down assembly 400. When the user performs pull-down training, he sits on the seat, and by grasping the first handle 411 and the second handle 421, he pulls the first pull-down arm 410 and the second pull-down arm 420 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 becomes higher, and the gravity of the counterweight block 230 provides resistance for the pull-down training. One end of the first pull-down arm fixed with the first handle and one end of the second pull-down arm fixed with the second handle are respectively tilted upward, so that the user can perform pull-down training conveniently.

[0026] The counterweight assembly 200 is rotatably connected to the gantry 100, which may be, but is not limited to, a rotating shaft 221 fixedly connected to the counterweight frame 220, a shaft sleeve 130 fixedly connected to the gantry 100, and a portion of the rotating shaft 221 is inserted into the shaft sleeve 130. The shaft sleeve 130 is fixedly connected to a fixing plate 131, and bolts are passed through fixing holes 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 fixing position of the fixing plate 131 and the gantry 100. A bearing is provided between the rotating shaft 221 and the shaft sleeve 130 to achieve a rotatable connection between the rotating shaft 221 and the shaft sleeve 130, thereby achieving a rotatable connection between the gantry 100 and the counterweight assembly 200. Reference Figure 6 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 to 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, and the limiting groove 321 can limit the movement range 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, and the first fixed block 310 and the second fixed block 320 are in the casing 330, so as to prevent the first fixed block 310 and the second fixed block 320 from being exposed, thereby ensuring the safety of the pull-down training device.

[0027] refer to Figure 2Furthermore, the first handle 411 passes through the first pull-down arm 410, the first handle 411 includes a first pull-down portion 412 and a second pull-down portion 413, the first pull-down portion 412 and the second pull-down portion 413 are located on both sides of the first pull-down arm 410, the second handle 421 passes through the second pull-down arm 420, the second handle 421 includes a third pull-down portion 422 and a fourth pull-down portion 423, the third pull-down portion 422 and the fourth pull-down portion 423 are located on both sides of the second pull-down arm 420.

[0028] In an embodiment of the utility model, the first handle passes through the first pull-down arm to form a first pull-down portion and a second pull-down portion, and the second handle passes through the second pull-down arm to form a third pull-down portion and a fourth pull-down portion. The second pull-down portion is located between the first pull-down portion and the second handle, and the third pull-down portion is located between the first handle and the fourth pull-down portion. When performing pull-down training, the user can grasp the first pull-down portion and the fourth pull-down portion, or the second pull-down portion and the third pull-down portion, and can change the distance between the arms according to training requirements. Of course, the end of the second pull-down portion away from the first pull-down arm can be bent toward the gantry to form the first bending portion 414, and the end of the third pull-down portion away from the second pull-down arm can be bent toward the gantry to form the second bending portion 424, and the first bending portion and the second bending portion can be grasped to perform pull-down training.

[0029] Furthermore, the chair 500 includes a seat plate 510, a leg press rod 520, a foot press rod 530 and a support frame 540. The seat plate 510, the leg press rod 520 and the foot press rod 530 are respectively fixedly connected to the support frame 540, and the height of the leg press rod 520 is greater than the height of the foot press rod 530.

[0030] In the embodiment of the utility model, when a user sits on the seat plate to perform pull-down training, the leg-pressing rod can be against the user's thigh, and the foot-pressing rod can be against the user's instep, which is convenient for exerting force. The support frame is fixed to the ground, ensuring the reliability of the seat.

[0031] refer to Figure 1 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 pull-down assembly 400 are located on the same side of the gantry 100 .

[0032] 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 .

[0033] The length of the first supporting leg 110 is greater than that of the second supporting leg 120. The first supporting leg 110 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 always between the first supporting leg 110 and the second supporting leg 120, thereby ensuring the reliability and safety of the pull-down training device.

[0034] refer to Figure 4 Furthermore, one end of the driving rod 250 close to the pull-down assembly 400 extends out of the end plate 211 and is fixedly connected to the driving disk 251 .

[0035] 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 pull-down 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.

[0036] Furthermore, the driving disk 251 is connected to a handle 252 .

[0037] 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.

[0038] refer to Figure 4 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 .

[0039] In the embodiment of the utility model, the first limiting block 253 and the second limiting 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 pull-down training device.

[0040] refer to Figure 4 Furthermore, a plurality of drainage holes 212 are provided on the side of the shell 210 facing the ground.

[0041] In an embodiment of the utility model, the pull-down training device is placed outdoors as outdoor fitness equipment. The 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 pull-down training device.

[0042] Furthermore, the counterweight block 230 is composed of a plurality of counterweight plates 231 that are detachably fixedly connected.

[0043] 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.

[0044] refer to Figure 4 and 5 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.

[0045] 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.

[0046] 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 pull-down training device, It is characterized in that The pull-down 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; Seats; A built-in limiting assembly, which is used to limit the rotation angle of the counterweight assembly; and The pull-down assembly includes a first pull-down arm and a second pull-down arm, one end of the first pull-down arm is fixedly connected to the counterweight frame, the other end of the first pull-down arm is fixedly connected to a first handle, one end of the second pull-down arm is fixedly connected to the counterweight frame, the other end of the second pull-down arm is fixedly connected to a second handle, one end of the first pull-down arm fixedly connected to the first handle and one end of the second pull-down arm fixedly connected to the second handle are respectively inclined upwards, The counterweight moves on a side of the gantry facing away from the pull-down assembly.

2. The pull-down training device according to claim 1, It is characterized in that The first handle passes through the first pull-down arm, and the first handle includes a first pull-down portion and a second pull-down portion, wherein the first pull-down portion and the second pull-down portion are located on both sides of the first pull-down arm. The second handle passes through the second lower pull-down arm. The second handle includes a third pull-down portion and a fourth pull-down portion. The third pull-down portion and the fourth pull-down portion are located at two sides of the second lower pull-down arm.

3. The pull-down training device according to claim 1, It is characterized in that The chair comprises a seat plate, a leg press rod, a foot press rod and a support frame. The seat plate, the leg press rod and the foot press rod are respectively fixedly connected to the support frame. The height of the leg press rod is greater than that of the foot press rod.

4. The pull-down training device according to claim 1, It is 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 pull-down assembly are located on the same side of the gantry.

5. The pull-down training device according to claim 1, It is characterized in that One end of the driving rod close to the pull-down assembly extends out of the end plate and is fixedly connected with a driving disc.

6. The pull-down training device according to claim 5, It is characterized in that The driving disc is connected with a handle.

7. The pull-down training device according to claim 1, It is 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.

8. The pull-down training device according to claim 1, It is characterized in that A plurality of drainage holes are arranged on one side of the shell facing the ground.

9. The pull-down training device according to claim 1, It is characterized in that The counterweight block is composed of a plurality of counterweight plates which are detachably fixedly connected.

10. The pull-down training device according to claim 1, It is 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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