treadmill

Abstract

The present invention discloses a treadmill, comprising a front running platform with a front roller at the front end and a rear running platform with a rear roller at the rear end, a running belt which is tensioned on the front roller and the rear roller and covers the front running board of the front running platform and the rear running board of the rear running platform, and also comprises an electrical module which assembles a driving transmission mechanism and a control electrical appliance on a front frame, wherein the electrical module is detachably connected to the front end of the front running platform, and the front running platform and the rear running platform are detachably connected via a folding mechanism; the front frame of the electrical module is provided with an opening facing the front running platform, and the rear ends of the two straight rods of the front frame and the front ends of the two side plates of the front running platform are male-female plug-in structures and are screwed. The treadmill realizes modular assembly, has few parts and components during assembly, simple structure, convenient assembly and material preparation, convenient and quick installation, reduces installation procedures and assembly processes, greatly improves production efficiency, greatly reduces production costs, and has obvious economic benefits.

Description

Technical Field

[0001] The invention relates to the technical field of fitness equipment, in particular to a treadmill. Background Art

[0002] A treadmill, also known as a walking machine, generally includes a running board, a front roller driven by a driving and transmission mechanism and arranged at the front end of the running board, a rear roller arranged at the rear end of the running board, and a running belt tensioned on the front roller and the rear roller and covering the outside of the running board.

[0003] Although some treadmills are divided into a front treadmill and a rear treadmill, and a hinge is provided between the front treadmill and the rear treadmill, the treadmills in the prior art still have a common disadvantage: the manufacturing and assembly of the front and rear treadmills is numerous, the installation structure of the front and rear treadmills is relatively complex, the manufacturing and assembly of the treadmill and the front frame is numerous, and the structure is trivial, the installation of the drive mechanism and the control electrical appliance is time-consuming and laborious, and there is always a contradiction in the connection between the front frame and the front treadmill: welding the frame first and then installing the drive mechanism and the control electrical appliance, the installation requires a large space, resulting in a large frame, many consumables, increased volume and cost, and the installation of the drive mechanism and the control electrical appliance is still very inconvenient due to the restrictions of direction and space; installing the drive mechanism and the control electrical appliance first and then welding, the high temperature of welding will inevitably damage the electrical parts such as the control circuit board, resulting in a low product yield of the treadmill. The above prior art also has a common disadvantage: the simple running board structure is not stable and firm enough. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a treadmill which can be manufactured separately and then assembled in a modular manner.

[0005] The technical solution of the present invention is to provide a treadmill, including a front treadmill with a front roller at the front end and a rear treadmill with a rear roller at the rear end, a running belt tensioned on the front roller and the rear roller and covering the front running board of the front treadmill and the rear running board of the rear treadmill, and also including an electrical module that assembles a driving transmission mechanism and a control electrical appliance on a front frame, the electrical module is detachably connected to the front end of the front treadmill, and the front treadmill and the rear treadmill are detachably connected via a folding mechanism.

[0006] After adopting the above structure, the treadmill of the present invention has the following advantages: the treadmill is pre-assembled into three modules or three modules, namely, the electrical module with the drive transmission mechanism and the control electrical appliance installed, the front treadmill and the rear treadmill. When the final product of the treadmill needs to be assembled, the front treadmill and the rear treadmill only need to be connected through the folding mechanism to form the treadmill, and then the front treadmill is connected with the electrical module with the drive transmission mechanism and the control electrical appliance installed to basically form the whole machine product, and then the running belt is put on and the cover is installed to form the finished product. Modular assembly is realized, and the assembly process is simple, the assembly is convenient, the installation is convenient and fast, the installation process and the assembly process are reduced, the production efficiency is greatly improved, the production cost is greatly reduced, and the economic benefits are obvious. In addition, since the electrical module and the front treadmill are detachably connected, the volume of the electrical module can be reduced, the material cost is reduced, the installation is convenient, and the damage to the electrical parts such as the control circuit board caused by the high temperature of welding is avoided, and the yield rate of the treadmill product is greatly improved.

[0007] Furthermore, the driving transmission mechanism adopts an electric motor and a transmission belt; the front frame of the electrical module is provided with an opening toward the front treadmill, and the rear ends of the two straight rods of the front frame and the front ends of the two side plates of the front treadmill are male-female plug-in structures, and each male-female plug-in structure has a transmission belt of the transmission wheel of the current roller and an output wheel on the motor shaft, and a locking screw for fixing the male-female joint after the male-female joint is plugged in. With the above structure, the connection structure between the electrical module and the front treadmill is more stable and reliable, and the detachable connection structure is simpler, and the installation is more convenient and quick.

[0008] Furthermore, the front treadmill is composed of a front treadmill frame and a front running board fixed on the top of the front treadmill frame; the rear treadmill is composed of a rear treadmill frame and a rear running board fixed on the top of the rear treadmill frame. With the above structure, the modular characteristics of the front and rear treadmills are guaranteed, and the stability and firmness of the treadmill structure are guaranteed.

[0009] Furthermore, the front treadmill frame includes two parallel first and second straight rods and first and second crossbars perpendicular to the two straight rods, i.e., the first and second straight rods, and the inner sides of the first and second straight rods have a plurality of lugs for fixing the front running board; the rear treadmill frame includes two parallel third and fourth straight rods and third and fourth crossbars perpendicular to the two straight rods, and the inner sides of the third and fourth straight rods have a plurality of lugs for fixing the running board. With the above structure, the front and rear running boards and the front and rear treadmill frames can be assembled quickly and conveniently.

[0010] Furthermore, the folding mechanism is a first folding mechanism and a second folding mechanism of the same structure, the front side of the first folding mechanism is screwed to the rear end of the first straight rod, and the rear side of the first folding mechanism is screwed to the front end of the third straight rod; the front side of the second folding mechanism is screwed to the rear end of the third straight rod, and the rear side of the second folding mechanism is screwed to the front end of the fourth straight rod. With the above structure, the connection structure between the front treadmill and the rear treadmill is more stable and reliable, and the detachable connection structure is simpler and more convenient to install.

[0011] Furthermore, the bottom of the front treadmill frame is connected to a plurality of pads, and the bottom of the rear treadmill frame is also connected to a plurality of pads. With the above structure, the stability and reliability of the front and rear treadmills are further guaranteed under the premise that the volume of the front and rear treadmills is not increased substantially and the amount of materials added is very small.

[0012] Furthermore, the front frame of the electrical module includes a front rod and two straight rods fixed to the front rod, the first female joint at the rear end of the straight rod of the front frame is a first channel steel, the upper and lower plates of the first channel steel have first through holes for screws, the front end of the first straight rod of the front treadmill has a first rectangular steel pipe inserted in the first female joint, the upper and lower plates of the first rectangular steel pipe have first threaded holes, the first screw passes through the first through hole and then screws into the first threaded hole; the front rod of the front frame and another straight rod therein are a second rectangular steel pipe, the rear end of the second rectangular pipe is a second female joint with second through holes for screws on the upper and lower plates, the front end of the second straight rod of the front treadmill has a second channel steel inserted in the second female joint, the upper and lower plates of the second channel steel have second threaded holes, the second screw passes through the first through hole and then screws into the first threaded hole. With the above structure, the stability and firmness of the electrical module itself and the connection structure with the front treadmill are guaranteed, and the connection structure between the electrical module and the front treadmill is simpler, and the installation is more convenient and quick.

[0013] Furthermore, a plurality of front cover mounting blocks are fixed to the top of the front rod of the front frame of the electrical module, and each front cover mounting block has a third threaded hole for screwing the screw passing through the front cover mounting hole. With the above structure, the mounting structure of the electrical module and the front cover is simple, and the installation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the explosion structure of the treadmill of the present invention. Figure 1 (Showing running belt).

[0015] Figure 2 yes Figure 1 An enlarged schematic diagram of the electrical module and the connection structure with the front running board (the running belt is not shown).

[0016] Figure 3 yes Figure 1Schematic diagram of the structure after removing the running belt and running deck.

[0017] Figure 4 yes Figure 1 Schematic diagram of an explosion of a folded structure.

[0018] Figure 5 This is a schematic diagram of the explosion structure of the treadmill of the present invention. Figure 2 (Treadbelt not shown).

[0019] As shown in the figure, 1, electrical module, 2, running belt, 3, front running board, 4, rear running board, 5, rear roller, 6, rear treadmill, 7, second folding mechanism, 8, first folding mechanism, 9, front treadmill, 10, front roller, 11, transmission belt, 12, cushion block, 13, first female joint, 14, first through hole, 15, first screw, 16, front cover mounting block, 17, motor, 18, front frame, 19, third threaded hole, 20, second screw, 21, second through hole, 22, second female joint, 23, opening, 24, second channel steel, 25, second threaded hole, 26, first cross bar, 27, second straight bar, 28, ear plate, 29, third straight bar, 30, rear treadmill frame, 31, front treadmill frame, 32, first straight bar, 33, fourth screw grooved hole, 34, first locking bolt, 35, folding mechanism outer cover, 36, first nut, 37, metal pressing plate, 38, third through hole, 39, flexible gasket, 40, fifth threaded hole, 41, first pin, 42, folding mechanism inner cover, 43, inner and outer cover locking nut, 44, second nut, 45, second pin, 46, fourth through hole, 47, pin fixing seat, 48, sixth threaded hole, 49, inner and outer cover locking bolt, 50, first slider, 51, first arcuate through hole, 52, second locking bolt, 53, seventh threaded hole, 54, second slider, 55, second arcuate through hole, 56, second cross bar, 57, third cross bar, 58, fourth cross bar, 59, fourth straight bar, 60, first rectangular steel pipe, 61, first threaded hole. DETAILED DESCRIPTION

[0020] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these specific embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each specific embodiment of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 Shown

[0022] The treadmill of the present invention comprises a front treadmill 9 with a front roller 10 at the front end, a rear treadmill 6 with a rear roller 5 at the rear end, and a running belt 2 which is tensioned on the front roller 10 and the rear roller 5 and covers the front running board 3 of the front treadmill 9 and the rear running board 4 of the rear treadmill 6. The front treadmill 9 may also be referred to as a front running board group, and the rear treadmill may also be referred to as a rear running board group.

[0023] The treadmill of the present invention further comprises an electrical module 1 for assembling a driving transmission mechanism and a control electrical appliance on a front frame. The electrical module 1 is detachably connected to the front end of the front treadmill 9, and the front treadmill 9 is detachably connected to the rear treadmill 6 via folding mechanisms on both sides. The electrical module 1 can also be called a motor module, or an electrical module. The folding mechanism can also be called a folding assembly.

[0024] The driving transmission mechanism adopts an electric motor 17 and a transmission belt 11 such as a synchronous belt. The front frame 18 of the electrical module 1 is provided with an opening 23 facing the front treadmill 9. The rear ends of the two straight rods of the front frame 18 and the front ends of the two side rods of the front treadmill 9 are male-female plug-in structures, and each male-female plug-in structure has a transmission belt 11 on the transmission wheel of the current roller and an output wheel on the shaft of the motor 1, and a locking screw for fixing the male-female joint after the male-female joint is plugged in.

[0025] For example, the front frame 18 of the electrical module 1 includes a front rod and two straight rods fixed to the front rod. The first female joint 13 at the rear end of the straight rod of the front frame 18 is a first channel steel, and the upper and lower plates of the first channel steel have first through holes 14 for screwing. The front end of the first straight rod 32 of the front running platform 9 has a first rectangular steel tube 60 inserted into the first female joint 13, and the upper and lower plates of the first rectangular steel tube 60 have first threaded holes 61, and the first screw 15 passes through the first through hole and then screws into the first threaded hole 61. The front rod of the front frame 18 and another straight rod therein are second rectangular steel tubes, and the rear end of the second rectangular tube is a second female joint 22 with second through holes 21 for screwing on the upper and lower plates, and the front end of the second straight rod 27 of the front running platform 9 has a second channel steel 24 inserted into the second female joint 22, and the upper and lower plates of the second channel steel 24 have second threaded holes 25, and the second screw 20 passes through the second through hole 21 and then screws into the second threaded hole 25.

[0026] A plurality of, for example, two, front cover mounting blocks 16 are fixed to the top of the front rod of the front frame 18 of the electrical module 1, and each front cover mounting block 16 has a third threaded hole 19 for screwing the screws passing through the front cover mounting hole. The side of the male and female joints may also be provided with screws, through holes and threaded holes for screwing the front cover. The front cover is not shown in the figure.

[0027] The front treadmill 9 is composed of a front treadmill frame 31 and a front running board 3 fixedly screwed to the top of the front treadmill frame 31. The rear treadmill 6 is composed of a rear treadmill frame 30 and a rear running board 4 fixed to the top of the rear treadmill frame 31.

[0028] The front treadmill frame 31 includes two parallel first straight rods 32 and second straight rods 27 and a first cross bar 26 and a second cross bar 56 perpendicular to the two straight rods. The inner sides of the first straight rod 32 and the second straight rod 27 have a plurality of ear plates 28 for fixing such as screwing the front running board. The screw-connected running board has a threaded hole at the bottom, and the ear plates 28 have a through hole. The screw passes through the through hole and is tightened in the threaded hole at the bottom of the running board. The rear treadmill frame 30 includes two parallel third straight rods 29 and fourth straight rods 59 and a third cross bar 57 and a fourth cross bar 58 perpendicular to the two straight rods. The inner sides of the third straight rod 29 and the fourth straight rod 59 have a plurality of ear plates 28 for fixing such as screwing the rear running board. It is not difficult to understand that the first cross bar 26 and the second cross bar 56 are parallel to each other; the third cross bar 57 and the fourth cross bar 58 are parallel to each other.

[0029] The folding mechanism is a first folding mechanism 8 and a second folding mechanism 7 of the same structure. The front side of the first folding mechanism 8 is screwed to the rear end of the first straight rod 32, and the rear side of the first folding mechanism 8 is screwed to the front end of the third straight rod 29. The front side of the second folding mechanism 7 is screwed to the rear end of the third straight rod 29, and the rear side of the second folding mechanism 7 is screwed to the front end of the fourth straight rod 59.

[0030] The first folding mechanism 8 and the second folding mechanism 7 with the same structure as described above can adopt the folding mechanism in the prior invention patent application of the applicant with application number 201811441466.X and the invention name of the folding mechanism for the treadmill running board and the treadmill thereof. Taking one side as an example, the structure of the folding mechanism is roughly described as follows: the folding mechanism outer cover 35, the folding mechanism inner cover 42, the inner and outer cover locking bolts 49, and the inner and outer cover locking nuts 43 are not reflected in the above-mentioned prior application. Of course, from Figure 4It is not difficult to understand that the inner and outer cover locking bolts 49 pass through the corresponding through holes on the outer cover 35 of the folding mechanism, the through holes on the pin fixing seat 47 and the through holes on the inner cover 42 of the folding mechanism, and are tightened through the inner and outer cover locking nuts 43. The following structure is the same as the above invention patent application (the drawings are marked with modifications): the front side of the first slider 50 is tightened into the fourth threaded hole 33 at the rear end of the first straight rod 32 through the two third through holes 38 and the respective first locking bolts 34. Two first pins 41 are screwed into the two fifth threaded holes 40 of the pin fixing seat 47. The two first pins 41 pass through the flexible gasket 39 and the first arc-shaped through hole 51 of the first slider 50 and the metal pressing plate 37, and are screwed together by the two first nuts 36 to limit the axial position. The rear side of the second slider 54 is tightened into the seventh threaded hole 53 at the front end of the third straight rod 29 through the two fourth through holes 46 and the respective second locking bolts 52. Two second pins 45 are screwed into the two sixth threaded holes 48 of the pin fixing seat 47. The two second pins 45 pass through the second arc-shaped through holes 55 of the flexible gasket and the second slider 54 and the metal pressing sheet, and are screwed and axially limited by the two second nuts 44. The detailed structure and working principle of the folding mechanism can be referred to the applicant's application number 201811441466.X, the invention name of which is a folding mechanism for a treadmill running board and a treadmill prior invention patent application document.

[0031] The bottom of the front treadmill frame 9 is connected to a plurality of pads 12, such as four pads 12, which can be respectively arranged at the front and rear ends of the first straight rod and the front and rear ends of the second straight rod. The bottom of the rear treadmill frame is also connected to a plurality of pads 12, such as four pads 12, which can be respectively arranged at the front and rear ends of the first straight rod and the front and rear ends of the second straight rod. The pads can be made of flexible materials such as plastic rubber, etc., and can be screwed or glued to the bottom of each straight rod.

[0032] The drum is also called a roller or a roller. The running belt 4 is also called a flat belt.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A treadmill, comprising a front treadmill (9) having a front roller (10) at the front end and a rear treadmill (6) having a rear roller (5) at the rear end, a running belt (2) tensioned on the front roller (10) and the rear roller (5) and covering the front running board (3) of the front treadmill (9) and the rear running board (4) of the rear treadmill (6), characterized in that: It also includes an electrical module (1) for assembling a driving transmission mechanism and a control electrical appliance on a front frame (18), wherein the electrical module (1) is detachably connected to the front end of a front treadmill (9), and the front treadmill (9) is detachably connected to a rear treadmill (6) via a folding mechanism; The treadmill is pre-assembled into three modules: an electrical module with a drive transmission mechanism and control electrical appliances installed, a front treadmill, and a rear treadmill. When the treadmill needs to be assembled into the final product, the front treadmill and the rear treadmill are connected via a folding mechanism to form a treadmill, and the front treadmill is connected to the electrical module with a drive transmission mechanism and control electrical appliances installed to form a complete product, thus realizing modular assembly; The front frame (18) of the electrical module (1) is provided with an opening (23) facing the front running platform (9), and the rear ends of the two straight rods of the electrical module (1) and the front ends of the two side rods of the front running platform (9) are male-female plug-in structures, and each male-female plug-in structure has a transmission belt (11) on the transmission wheel of the current roller and an output wheel on the shaft of the motor (1) that fits together, and a locking screw for fixing the male-female joint after the male-female joint is plugged in.

2. The treadmill according to claim 1, characterized in that: The driving transmission mechanism adopts an electric motor (17) and a transmission belt (11).

3. The treadmill according to claim 1 or 2, characterized in that: The front treadmill (9) is composed of a front treadmill frame (31) and a front running board (3) fixed on the top of the front treadmill frame (31); the rear treadmill (6) is composed of a rear treadmill frame (30) and a rear running board (4) fixed on the top of the rear treadmill frame (31).

4. The treadmill according to claim 3, characterized in that: The front treadmill frame (31) comprises two mutually parallel first straight rods (32) and second straight rods (27) and a first cross rod (26) and a second cross rod (56) perpendicular to the two straight rods, and the inner sides of the first straight rods (32) and the second straight rods (27) are provided with a plurality of ear plates (28) for fixing the front running board; the rear treadmill frame (30) comprises two parallel third straight rods (29) and a fourth straight rod (59) and a third cross rod (57) and a fourth cross rod (58) perpendicular to the two straight rods, and the inner sides of the third straight rods (29) and the fourth straight rod (59) are provided with a plurality of ear plates (28) for fixing the rear running board.

5. The treadmill according to claim 4, characterized in that: The folding mechanism comprises a first folding mechanism (8) and a second folding mechanism (7) of the same structure. The front side of the first folding mechanism (8) is screwed to the rear end of the first straight rod (32), and the rear side of the first folding mechanism (8) is screwed to the front end of the third straight rod (29); the front side of the second folding mechanism (7) is screwed to the rear end of the third straight rod (29), and the rear side of the second folding mechanism (7) is screwed to the front end of the fourth straight rod (59).

6. The treadmill according to claim 3, characterized in that: The bottom of the front treadmill frame (9) is connected to a plurality of cushion blocks (12), and the bottom of the rear treadmill frame is also connected to a plurality of cushion blocks (12).

7. The treadmill according to claim 4, characterized in that: The front frame (18) of the electrical module (1) comprises a front rod and two straight rods fixed to the front rod. The first female joint (13) at the rear end of the straight rod of the front frame (18) is a first channel steel. The upper and lower plates of the first channel steel are provided with first through holes (14) for passing screws. The front end of the first straight rod (32) of the front running platform (9) comprises a first rectangular steel tube (60) inserted into the first female joint (13). The upper and lower plates of the first rectangular steel tube (60) are provided with first threaded holes (61). The first screw (15) passes through the first through hole (14) and is screwed into the first female joint (13). In the first threaded hole (61); the front rod of the front frame (18) and another straight rod therein are a second rectangular steel tube, the rear end of the second rectangular tube is a second female joint (22) with a second through hole (21) for passing a screw on the upper and lower plates, the front end of the second straight rod (27) of the front running platform (9) is provided with a second channel steel (24) inserted into the second female joint (22), the upper and lower plates of the second channel steel (24) are provided with a second threaded hole (25), and the second screw (20) passes through the second through hole (21) and is screwed into the second threaded hole (25).

8. The treadmill according to claim 2, characterized in that: A plurality of front cover mounting blocks (16) are fixed to the top of the front rod of the front frame (18) of the electrical module (1), and each front cover mounting block (16) has a third threaded hole (19) for screwing a screw passing through the front cover mounting hole.

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