Mute treadmill
By incorporating a micro-perforated plate, sound-absorbing glass wool, and glass cloth resonant cavity structure into the treadmill, combined with a piston rod and spring system, a sound-absorbing cover, and rubber pads, the noise and stability issues of the treadmill are resolved, achieving both quiet operation and improved stability.
Patent Information
- Application Number
- CN202423230130.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The noise generated by treadmills during use and the sounds they make when in contact with the floor affect the surrounding environment and stability.
A resonant cavity structure is formed by using micro-perforated plates, sound-absorbing glass wool, and glass cloth. Combined with a piston rod and spring system, a soundproof cover and rubber pads are added to reduce noise and improve stability.
It effectively reduces noise, enhances the treadmill's quietness, improves friction stability with the floor, and reduces treadmill movement.
Smart Images

Figure CN223944857U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to running machine technical field, concretely is a kind of mute running machine. BACKGROUND
[0002] Running machine is the fitness equipment that family and gymnasium always keep, and it is the most simple one among today's family fitness equipment, is the best choice of family fitness equipment, and its principle is to make people run or walk on the movement by motor driving running belt rotation. As a kind of indoor fitness equipment, running machine provides convenient and effective exercise mode for users.
[0003] But when running machine works, since user frequently runs on running machine, running machine is prone to noise, which affects the life of people around, and since people exercise on running machine, running machine is pressed base, so that running machine and floor are prone to sound. INVENTION CONTENTS
[0004] The utility model aims at providing a kind of mute running machine to solve the problems presented in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of mute running machine, including bottom plate, the top of the bottom plate is fixedly connected with installation frame, the top of the installation frame is fixedly connected with micro-perforated plate, the inner wall of the installation frame is fixedly connected with sound-absorbing glass wool, the inner wall of the sound-absorbing glass wool is fixedly connected with glass cloth, the bottom of the installation frame is fixedly connected with sound-absorbing board, the bottom of the bottom plate is fixedly connected with connecting plate, the bottom of the connecting plate is fixedly connected with piston rod, the surface of the piston rod is movably sleeved with spring, the surface of the piston rod is slidably connected with cylinder body, the bottom of the cylinder body is fixedly connected with support plate, the bottom of the support plate is fixedly connected with friction protrusion, the top of the cylinder body is fixedly connected with soundproof cover.
[0006] As further preferred of the technical scheme, the micro-perforated plate and sound-absorbing board form resonance cavity, the number of the connecting plate is provided with four, four the connecting plate is located at the four corners of bottom plate, the bottom of the piston rod and cylinder body is provided with compressed gas, the spring is between connecting plate and cylinder body, the soundproof cover adopts corrugated structure.
[0007] As further preferred of the technical scheme, the top of the bottom plate is fixedly connected with mounting bracket, the top of the mounting bracket is provided with first rubber pad, the top of the first rubber pad is provided with running plate, the top of the running plate is screw-connected with fixed screw, the inner wall of the mounting bracket is fixedly connected with support crossbeam, the top of the support crossbeam is fixedly connected with second rubber pad.
[0008] As a further preferred of the technical solution, the number of the first rubber pads is two, the fixing screw penetrates the first rubber pad and is screwed with the mounting frame, and the number of the supporting cross beams is multiple, and the second rubber pad is in contact with the bottom of the running board.
[0009] As a further preferred of the technical solution, the top of the bottom plate is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly sleeved with a driving wheel, the surface of the driving wheel is provided with a belt, the side, away from the driving wheel, of the belt is provided with a transmission wheel, the inner wall of the transmission wheel is fixedly connected with a driving roller, and the surface of the driving roller is provided with a running belt.
[0010] As a further preferred of the technical solution, the inner wall of the mounting frame is fixedly connected with a connecting frame, the inside of the connecting frame is rotatably connected with a threaded rod, the side, away from the running board, of the threaded rod is fixedly connected with an adjusting plate, the surface of the threaded rod is screwed with a sleeve, the side, away from the threaded rod, of the sleeve is slidably connected with a guide rod, and the surface of the sleeve is rotatably connected with a transmission roller.
[0011] As a further preferred of the technical solution, the number of the connecting frames is two, the two connecting frames adopt a U-shaped structure, the adjusting plate is located outside the connecting frame, the guide rod is fixedly connected with the connecting frame away from the threaded rod, and the surface of the transmission roller is in contact with the running belt.
[0012] The utility model provides a mute running machine has the following beneficial effects:
[0013] (1) the utility model discloses a mounting frame is additionally arranged on the bottom plate, when the user runs on the running machine, the noise produced by shoes and running board enters the mounting frame, and enters the resonance cavity through the micro-perforated plate, and the noise sequentially passes through glass cloth and sound-absorbing glass wool and rubs with them, thereby consuming the energy in the noise, and the glass cloth and sound-absorbing glass wool are all rough plane, make the noise reciprocating reflection or refraction in the resonance cavity, and further improve the sound attenuation effect of the running machine.
[0014] (2) the utility model discloses a support plate is placed on the floor, and the friction convex is increased to increase the friction between the floor, thereby improving the stability after installation, when the user runs on the running machine, the running machine is lowered due to power, and the piston rod slides in the cylinder body, the spring is extruded and shrinks, the piston rod is pressed down, and the compressed gas at the bottom of the cylinder body is extruded, thereby avoiding the direct action of the movement of the running machine on the floor caused by the user's movement, and the sound attenuation cover is arranged outside the spring, and the polyester fiber, mineral wool and other materials are arranged in the sound attenuation cover, thereby absorbing the noise generated by the spring deformation, and improving the mute effect of the running machine. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structural schematic diagram of the utility model;
[0016] Figure 2 is a structural schematic diagram of the utility model from the top;
[0017] Figure 3 is a structural schematic diagram of the utility model in cross section;
[0018] Figure 4 is a structural schematic diagram of the utility model of mounting frame and running board;
[0019] Figure 5 is a structural schematic diagram of the utility model of mounting frame in cross section;
[0020] Figure 6 is a structural schematic diagram of the utility model of cylinder and muffler in cross section.
[0021] In the drawing: 1, bottom plate; 2, mounting frame; 3, micro-perforated plate; 4, sound-absorbing glass wool; 5, glass cloth; 6, sound-absorbing board; 7, connecting plate; 8, piston rod; 9, spring; 10, cylinder; 11, support plate; 12, friction protrusion; 13, muffler; 14, mounting frame; 15, first rubber pad; 16, running board; 17, fixing screw; 18, support beam; 19, second rubber pad; 20, driving motor; 21, driving wheel; 22, belt; 23, transmission wheel; 24, driving roller; 25, running belt; 26, connecting frame; 27, threaded rod; 28, adjusting plate; 29, screw sleeve; 30, guide rod; 31, transmission roller. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model.
[0023] The utility model provides technical schemes: Figure 1 And Figure 6 As shown in the figure, in the embodiment, a mute treadmill includes a bottom plate 1, the top of the bottom plate 1 is fixedly connected with a mounting frame 2, the top of the mounting frame 2 is fixedly connected with a micro-perforated plate 3, the inner wall of the mounting frame 2 is fixedly connected with sound-absorbing glass wool 4, the inner wall of the sound-absorbing glass wool 4 is fixedly connected with glass cloth 5, the bottom of the mounting frame 2 is fixedly connected with a sound-absorbing board 6, the bottom end of the bottom plate 1 is fixedly connected with a connecting plate 7, the bottom end of the connecting plate 7 is fixedly connected with a piston rod 8, the surface of the piston rod 8 movably sleeved with a spring 9, the surface of the piston rod 8 is slidably connected with a cylinder 10, the bottom end of the cylinder 10 is fixedly connected with a support plate 11, the bottom end of the support plate 11 is fixedly connected with a friction protrusion 12, and the top of the cylinder 10 is fixedly connected with a muffler 13.
[0024] When the user runs on the treadmill, the noise generated by the shoes and the running plate 16 enters the mounting frame 2, and then enters the resonance cavity through the micro-perforated plate 3, and then the noise sequentially passes through the glass cloth 5 and the sound-absorbing glass wool 4 and rubs against them, thereby consuming the energy in the noise, and the glass cloth 5 and the sound-absorbing glass wool 4 are both rough planes, so that the noise is repeatedly reflected or refracted in the resonance cavity, thereby improving the noise reduction effect of the treadmill.
[0025] The micro-perforated plate 3 and the sound-absorbing plate 6 form a resonance cavity, the number of connecting plates 7 is four, the four connecting plates 7 are located at the four corners of the bottom plate 1, compressed gas is arranged between the bottom of the piston rod 8 and the cylinder body 10, the spring 9 is arranged between the connecting plate 7 and the cylinder body 10, and the sound-absorbing cover 13 adopts a corrugated structure.
[0026] The treadmill is placed on the floor through the support plate 11, and the friction between the floor and the friction protrusions 12 is increased, thereby improving the stability after installation, and when the user runs on the treadmill, the treadmill is lowered due to the power, and the piston rod 8 slides in the cylinder body 10, the spring 9 is squeezed and shrinks, the piston rod 8 is pressed down, the compressed gas at the bottom of the cylinder body 10 is squeezed, thereby avoiding the direct action of the movement of the treadmill on the floor caused by the user's movement, and the sound-absorbing cover 13 is arranged outside the spring 9, and the sound-absorbing cover 13 is internally provided with polyester fiber, mineral wool and other materials, thereby absorbing the noise generated by the deformation of the spring 9, and improving the mute effect of the treadmill.
[0027] The top of the bottom plate 1 is fixedly connected with a mounting frame 14, the top end of the mounting frame 14 is provided with a first rubber pad 15, the top end of the first rubber pad 15 is provided with a running plate 16, the top of the running plate 16 is threadedly connected with a fixing screw 17, the inner wall of the mounting frame 14 is fixedly connected with a support beam 18, and the top end of the support beam 18 is fixedly connected with a second rubber pad 19.
[0028] The first rubber pad 15 and the second rubber pad 19 are arranged between the running plate 16 and the mounting frame 14 and the support beam 18, so that the running plate 16 and the mounting frame 14 and the support beam 18 are not in direct contact when the user runs on the running plate 16, thereby reducing the generation of noise, and the running plate 16 is supported by the plurality of support beams 18, thereby avoiding damage caused by deformation of the running plate 16.
[0029] The number of first rubber pads 15 is two, the fixing screw 17 penetrates the first rubber pad 15 and is threadedly connected with the mounting frame 14, the number of support beams 18 is a plurality, and the second rubber pad 19 is in contact with the bottom of the running plate 16.
[0030] The bottom plate 1 is fixedly connected with a driving motor 20, the output shaft of the driving motor 20 is fixedly sleeved with a driving wheel 21, the surface of the driving wheel 21 is provided with a belt 22, the side, away from the driving wheel 21, of the belt 22 is provided with a transmission wheel 23, the inner wall of the transmission wheel 23 is fixedly connected with a driving roller 24, and the surface of the driving roller 24 is provided with a running belt 25.
[0031] The inner wall of the mounting frame 14 is fixedly connected with a connecting frame 26, the connecting frame 26 is rotationally connected with a threaded rod 27 in the inside, the side, away from the running plate 16, of the threaded rod 27 is fixedly connected with an adjusting plate 28, the surface of the threaded rod 27 is threadedly connected with a screw sleeve 29, the side, away from the threaded rod 27, of the screw sleeve 29 is slidingly connected with a guide rod 30, and the surface of the screw sleeve 29 is rotationally connected with a transmission roller 31.
[0032] By inserting a tool into the groove of the adjusting plate 28, the adjusting plate 28 drives the threaded rod 27 to rotate, the screw sleeve 29 rotates on the surface, and the limiting effect of the guide rod 30 makes the screw sleeve 29 slide in the inside of the connecting frame 26, thereby driving the transmission roller 31 to move, so as to adjust the distance between the driving roller 24 and the transmission roller 31, and adjust the tightness of the running belt 25.
[0033] The number of the connecting frames 26 is two, the two connecting frames 26 adopt a U-shaped structure, the adjusting plate 28 is located outside the connecting frame 26, the guide rod 30 is fixedly connected with the connecting frame 26 away from the side of the threaded rod 27, and the surface of the transmission roller 31 is in contact with the running belt 25.
[0034] The utility model provides a kind of mute treadmill, and specific working principle is as follows:
[0035] In use, the first rubber pad 15 is placed on the mounting frame 14, the running plate 16 is aligned with the mounting hole on the first rubber pad 15 and the mounting frame 14, the running plate 16 is fixed on the mounting frame 14 by the fixing screw 17, at this time the second rubber pad 19 is in contact with the bottom of the running plate 16, when the user needs to exercise, the driving motor 20 is started, the output shaft drives the driving wheel 21 to rotate, the belt 22 transmits power to the transmission wheel 23, and the driving roller 24 rotates, the running belt 25 rotates, so that the user can run on the treadmill, the user's feet act on the running plate 16 and the running belt 25, so that the running plate 16 is pressed downward, and the first rubber pad 15 and the second rubber pad 19 are deformed, the supporting beam 18 supports the running plate 16, the noise generated by the shoes and the running plate 16 enters the mounting frame 2, and then enters the resonance cavity through the micro-perforated plate 3, the noise passes through the glass cloth 5 and the sound-absorbing glass wool 4 in turn and rubs against them, so that the energy in the noise is consumed, and the glass cloth 5 and the sound-absorbing glass wool 4 are both rough planes, so that the noise is reciprocally reflected or refracted in the resonance cavity, the energy of the noise is consumed twice, and at the same time, the treadmill is slightly lowered due to the user's running, so that the piston rod 8 slides in the cylinder body 10, the spring 9 is compressed and contracted, the piston rod 8 is pressed downward, the compressed gas at the bottom of the cylinder body 10 is extruded, so that the movement of the treadmill caused by the user's exercise directly acts on the floor is avoided.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A silent treadmill comprising a base plate (1), characterized in that: The top of mounting frame (2) is fixedly connected with micro-perforated plate (3), the inner wall of mounting frame (2) is fixedly connected with sound-absorbing glass wool (4), the inner wall of sound-absorbing glass wool (4) is fixedly connected with glass cloth (5), the bottom of mounting frame (2) is fixedly connected with sound-absorbing plate (6), the bottom end of bottom plate (1) is fixedly connected with connecting plate (7), the bottom end of connecting plate (7) is fixedly connected with piston rod (8), the surface of piston rod (8) is movably sleeved with spring (9), the surface of piston rod (8) is slidably connected with cylinder (10), the bottom end of cylinder (10) is fixedly connected with supporting plate (11), the bottom end of supporting plate (11) is fixedly connected with friction protrusion (12), the top of cylinder (10) is fixedly connected with sound-absorbing cover (13).
2. A silent running treadmill as claimed in claim 1, wherein: Resonance cavity is formed between micro-perforated plate (3) and sound-absorbing plate (6), the number of connecting plate (7) is four, four connecting plates (7) are located at the four corners of bottom plate (1), compressed gas is arranged between the bottom of piston rod (8) and cylinder (10), spring (9) is located between connecting plate (7) and cylinder (10), sound-absorbing cover (13) adopts corrugated structure.
3. The silent running treadmill of claim 1, wherein: The top of bottom plate (1) is fixedly connected with mounting frame (14), the top end of mounting frame (14) is provided with first rubber pad (15), the top end of first rubber pad (15) is provided with running plate (16), the top of running plate (16) is threadedly connected with fixed screw (17), the inner wall of mounting frame (14) is fixedly connected with supporting cross beam (18), the top end of supporting cross beam (18) is fixedly connected with second rubber pad (19).
4. A silent running treadmill as claimed in claim 3, wherein: The number of first rubber pad (15) is two, fixed screw (17) penetrates first rubber pad (15) and is threadedly connected with mounting frame (14), the number of supporting cross beam (18) is multiple, the bottom of second rubber pad (19) is in contact with running plate (16).
5. The silent running treadmill of claim 1, wherein: The top of bottom plate (1) is fixedly connected with driving motor (20), the output shaft of driving motor (20) is fixedly sleeved with driving wheel (21), the surface of driving wheel (21) is provided with belt (22), one side, away from driving wheel (21), of belt (22) is provided with transmission wheel (23), the inner wall of transmission wheel (23) is fixedly connected with driving roller (24), the surface of driving roller (24) is provided with running belt (25).
6. A silent running treadmill as claimed in claim 3, wherein: The inner wall of mounting frame (14) is fixedly connected with connecting frame (26), the inside of connecting frame (26) is rotatably connected with threaded rod (27), one side, away from running plate (16), of threaded rod (27) is fixedly connected with adjusting plate (28), the surface of threaded rod (27) is threadedly connected with screw sleeve (29), one side, away from threaded rod (27), of screw sleeve (29) is slidably connected with guide rod (30), the surface of screw sleeve (29) is rotatably connected with transmission roller (31).
7. A silent running treadmill as claimed in claim 6, characterised in that: The quantity of the connecting frame (26) is two, the two connecting frames (26) adopt U-shaped structure, the adjusting plate (28) is located outside the connecting frame (26), the guide rod (30) and the connecting frame (26) far from the side of the threaded rod (27) are fixedly connected, and the surface of the transmission roller (31) is in contact with the running belt (25).