Treadmill with adjustable roller
By introducing an adjustable inner shaft structure into the treadmill, the problem of non-adjustable roller angle is solved, enabling automatic correction of running belt deviation and simplifying installation, thus improving the stability and ease of adjustment of the roller.
Patent Information
- Application Number
- CN202422694709.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-06
AI Technical Summary
The existing treadmill roller structure is fixed and cannot be adjusted in angle, which makes it impossible to adjust when the running belt deviates, and it is also difficult to install.
It adopts an adjustable inner shaft structure, and the vertical rotation of the inner shaft is achieved through the positioning seat and adjusting support. This allows the front roller to be adjusted in the vertical direction. The combination of bolts and springs ensures stability and flexibility.
It enables automatic correction of belt misalignment and adjustment of roller parallelism, reduces installation difficulty, and improves the stability and ease of adjustment of the rollers.
Smart Images

Figure CN223569939U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of treadmills, especially to a treadmill with adjustable roller. BACKGROUND
[0002] A treadmill is a piece of exercise equipment designed for running or walking in place. It consists of a motor-driven belt that allows the user to walk or run while staying in one spot. Treadmills usually come with a control panel that allows users to adjust the speed and incline to suit their workout needs.
[0003] The roller of the treadmill drives the transmission belt to rotate, and the user runs or walks on the transmission belt. The roller structure of the treadmill generally adopts a fixed structure, that is, it cannot be adjusted in any angle except driving the transmission belt to rotate. Once the running belt deviates, it cannot be adjusted, and the parallelism of the treadmill roller is required to be high, which is difficult to adjust during installation.
[0004] Therefore, it is necessary to provide a new treadmill with adjustable roller to solve the above technical problems. SUMMARY
[0005] To solve the above technical problems, the utility model provides a treadmill with adjustable roller.
[0006] The treadmill with adjustable roller provided by the utility model comprises a base, a front roller and a rear roller are installed on the base, and a belt body is arranged between the front roller and the rear roller.
[0007] The front roller is composed of an outer cylinder and an inner shaft body arranged through the outer cylinder in a concentric manner, and the two are connected through a bearing.
[0008] A positioning seat and an adjusting support are symmetrically installed on the base, one end of the inner shaft body is rotationally connected to the positioning seat, and the other end is installed on the adjusting support.
[0009] The adjusting support drives the inner shaft body to rotate along the vertical direction with the positioning seat as the center.
[0010] Preferably, a belt pulley for transmission is fixed to the outer cylinder at a position away from the center.
[0011] Preferably, the positioning seat comprises a support fixed to the base, and a first bolt horizontally arranged on the support.
[0012] Preferably, one end of the inner shaft body is arranged through the inside of the support, and the first bolt penetrates the inner shaft body in a radial direction and is rotationally connected to the inner shaft body.
[0013] Preferably, the adjusting support comprises a second U-shaped frame fixed on the base, a second bolt vertically arranged is rotatably connected on the second U-shaped frame, and a through hole is formed on the second U-shaped frame.
[0014] Preferably, the other end of the inner shaft body is arranged in the second U-shaped frame through the through hole, and a first U-shaped frame is further fixed on the end, a connecting rod is rotatably connected on the first U-shaped frame, and the second bolt penetrates the connecting rod in the radial direction and is threadedly connected with the connecting rod.
[0015] Preferably, a spring is further sleeved on the outside of the second bolt, one end of the spring abuts against the second U-shaped frame, and the other end of the spring abuts against the connecting rod.
[0016] Compared with the related art, the running machine with the adjustable roller has the following beneficial effects:
[0017] In the running machine with the adjustable roller, one end of the inner shaft body is rotatably connected on the positioning seat, and the other end is connected on the adjusting support, the adjusting support can drive the inner shaft body to rotate in the vertical direction, thereby adjusting the angle of the front roller body, automatically correcting the offset running belt, and conveniently adjusting the parallelism of the roller, and reducing the installation difficulty. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The structure schematic view of a preferred embodiment of the running machine with the adjustable roller is shown in the utility model.
[0019] Figure 2 The structure schematic view of the front roller body is shown in the utility model.
[0020] Figure 3 The structure schematic view of the cooperation connection between the inner shaft body and the positioning seat is shown in the utility model.
[0021] Figure 4 The structure schematic view of the cooperation connection between the inner shaft body and the adjusting support is shown in the utility model.
[0022] In the drawing, 1 is a base, 2 is a front roller body, 21 is an outer cylinder body, 22 is an inner shaft body, 23 is a first U-shaped frame, 24 is a connecting rod, 3 is a belt body, 4 is a positioning seat, 41 is a support, 42 is a first bolt, 5 is an adjusting support, 51 is a second U-shaped frame, 52 is a second bolt, 53 is a through hole, 54 is a spring, and 6 is a pulley. DETAILED DESCRIPTION
[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.
[0024] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.
[0025] In the description of the utility model, it should be noted that, unless otherwise specifically provided and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0027] The specific implementation of the utility model will be described in detail below in combination with specific examples.
[0028] Please refer to Figures 1 to 4 The utility model embodiment provides a kind of running machine of roller adjustable, running machine of roller adjustable includes base 1, front roller body 2 and rear roller are installed on base 1, belt body 3 is arranged between front roller body 2 and rear roller:
[0029] Front roller body 2 is composed of outer cylinder body 21 and inner shaft body 22 concentrically arranged through outer cylinder body 21, and is connected by bearing between the two, belt body 3 is sleeved on outer cylinder body 21, and pulley 6 for transmission is also fixed on outer cylinder body 21 away from the position of center;
[0030] Positioning seat 4 and adjusting support 5 are also symmetrically installed on base 1, one end of inner shaft body 22 is rotatably connected to positioning seat 4, and the other end is installed on adjusting support 5;
[0031] The adjusting support 5 drives the inner shaft body 22 to contact the positioning seat 4 as the center and rotate in the vertical direction.
[0032] It should be noted that: in the device, the positioning seat 4 and the adjusting support 5 are arranged on the base 1, and the inner shaft body 22 in the front roller body 2 is supported by the positioning seat 4 and the adjusting support 5, so as to ensure that the front roller body 2 stably supports and conveys the transmission belt; meanwhile, the front roller body 2 and the positioning seat 4 are rotationally connected, and the adjusting support 5 can drive the inner shaft body 22 to rotate in the vertical direction, so that the angle of the front roller body 2 in the vertical direction can be adjusted to be in a horizontal state or an inclined state, and therefore, when the transmission belt is offset, the transmission belt can be corrected by increasing the inclination angle, and the drum structure is more convenient to install.
[0033] In the embodiment of the utility model, please refer to Figure 3 The positioning seat 4 includes a support 41 fixed on the base 1, and a first bolt 42 horizontally arranged on the support 41.
[0034] The inner shaft body 22 is arranged in the support 41 through one end, and the first bolt 42 is rotationally connected to the inner shaft body 22 through the other end.
[0035] It should be noted that: for the connection between the inner shaft body 22 and the positioning seat 4, the first bolt 42 is used as the main connection structure, the first bolt 42 penetrates the inner shaft body 22 and is rotationally connected to the inner shaft body 22, so that the entire inner shaft body 22 can rotate in the vertical direction with the first bolt 42 as the rotation shaft, which is the basis for the rotation adjustment of the inner shaft body 22.
[0036] In the embodiment of the utility model, please refer to Figure 4 The adjusting support 5 includes a second U-shaped bracket 51 fixed on the base 1, a second bolt 52 vertically arranged and rotationally connected to the second U-shaped bracket 51, and a through hole 53 vertically and long strip-shaped arranged on the second U-shaped bracket 51.
[0037] Meanwhile, the other end of the inner shaft body 22 is arranged in the second U-shaped bracket 51 through the through hole 53, and the first U-shaped bracket 23 is fixed at the end, the connecting rod 24 is rotationally connected to the first U-shaped bracket 23, and the second bolt 52 penetrates the connecting rod 24 and is threadedly connected to the connecting rod 24.
[0038] The spring 54 is sleeved outside the second bolt 52, one end of the spring 54 abuts against the second U-shaped bracket 51, and the other end of the spring 54 abuts against the connecting rod 24.
[0039] It should be noted that: for the connection between the inner shaft body 22 and the adjusting support 5, the first U-shaped frame 23 is provided at the end of the inner shaft body 22, the first U-shaped frame 23 has a connecting rod 24 inside, and the second bolt 52 on the second U-shaped frame 51 penetrates through the connecting rod 24 and is screwed with the connecting rod 24, so that the adjustment of the inclination angle of the entire inner shaft body 22 can be realized by the feeding movement of the second bolt 52 relative to the connecting rod 24.
[0040] The connecting rod 24 is a rotatable rod body, so that during adjustment, the situation of being stuck can be avoided;
[0041] The spring 54 abuts against the connecting rod 24 and the second U-shaped frame 51, which can further play a positioning role. Under the elastic force of the spring 54, the second bolt 52 is not prone to loosening, and the stability of the inner shaft body 22 is higher.
[0042] The circuit and control involved in the utility model are prior art, and will not be described in detail here.
[0043] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.
Claims
1. A drum-adjustable treadmill, comprising a base (1) on which a front drum (2) and a rear drum are installed, and a belt (3) is arranged between the front drum (2) and the rear drum, characterized in that: the front drum (2) is composed of an outer drum (21) and an inner shaft (22) arranged concentrically through the outer drum (21), and the two are connected through a bearing, and the belt (3) is sleeved on the outer drum (21); a positioning seat (4) and an adjusting support (5) are symmetrically installed on the base (1), one end of the inner shaft (22) is rotatably connected to the positioning seat (4), and the other end is installed on the adjusting support (5); wherein the adjusting support (5) drives the inner shaft (22) to rotate in the vertical direction with the positioning seat (4) as the center.
2. The roller-adjustable treadmill of claim 1, wherein, A belt pulley (6) for transmission is further fixed on the outer drum (21) away from the center.
3. The roller-adjustable treadmill of claim 1, wherein, The positioning seat (4) comprises a bracket (41) fixed on the base (1), and a first bolt (42) arranged horizontally is further fixed on the bracket (41).
4. The roller-adjustable treadmill of claim 1, wherein, One end of the inner shaft (22) is arranged inside the bracket (41), and the first bolt (42) penetrates the inner shaft (22) radially and is rotatably connected thereto.
5. The roller-adjustable treadmill of claim 1, wherein, The adjusting support (5) comprises a second U-shaped bracket (51) fixed on the base (1), a second bolt (52) arranged vertically is rotatably connected to the second U-shaped bracket (51), and a through hole (53) is further arranged on the second U-shaped bracket (51), which is vertically long strip-shaped.
6. The roller-adjustable treadmill of claim 1, wherein, The other end of the inner shaft (22) is arranged inside the second U-shaped bracket (51) along the through hole (53), and a first U-shaped bracket (23) is further fixed at the end, a connecting rod (24) is rotatably connected to the first U-shaped bracket (23), and the second bolt (52) penetrates the connecting rod (24) radially and is threadedly connected thereto.
7. The roller-adjustable treadmill of claim 5, wherein, A spring (54) is further sleeved outside the second bolt (52), one end of the spring (54) abuts against the second U-shaped bracket (51), and the other end abuts against the connecting rod (24).