A treadmill chassis

Abstract

A treadmill chassis, comprising two frame components, two transverse tubes, two rollers and four connecting seats; the frame components include an upper frame and a lower frame arranged up and down; the connecting seat has a first outer side and a first inner side; the first outer side has a first slot and a second slot; the first inner side includes a first socket and a second socket, and the second socket is located in the middle or lower part of the first inner side; the front and rear ends of the upper frame are respectively inserted into the first slots of the two connecting seats and locked, and the front and rear ends of the lower frame are respectively inserted into the second slots of the two connecting seats and locked; the left and right ends of each roller are respectively inserted into the first sockets of the corresponding two connecting seats and locked; each transverse tube is respectively inserted into the second sockets of the corresponding two connecting seats and locked. The present invention can detachably connect the components of the chassis, and the connection is simple and convenient, and welding is not required, which simplifies the process and saves manpower and time costs.

Description

Technical Field

[0001] The invention relates to a treadmill, in particular to a treadmill chassis. Background Art

[0002] An electric treadmill is a fitness equipment that simulates running and walking. It fully simulates the state of people running and walking on land. It uses electricity as power to drive the electric motor to generate kinetic energy, drive the roller and the running belt to rotate, and use an electronic watch to control parameters such as speed and slope to achieve selective running and walking. Users can choose the intensity of exercise according to their own physical condition. Running can speed up fat burning, increase oxygen consumption, reduce weight, and enhance the human circulatory system and metabolic function.

[0003] The chassis of existing treadmills is generally in the shape of a square frame, and the components of the chassis are all welded. In addition to the complicated process, it is not environmentally friendly and increases production and transportation, causing the production company to consume a lot of manpower and material resources. Summary of the invention

[0004] In order to overcome the defects of the existing equipment, the present invention provides a treadmill chassis.

[0005] The present invention is implemented as follows: a treadmill chassis, comprising two frame components, two transverse tubes, two rollers and four connecting seats;

[0006] Each of the frame components comprises an upper frame and a lower frame arranged up and down;

[0007] Each of the connecting seats has a first outer side surface and a first inner side surface; the first outer side surface has a first slot and a second slot extending in the front-to-back direction, and the first slot and the second slot are respectively located at the upper part and the lower part of the first outer side surface; the first inner side surface includes a first socket and a second socket, the first socket is located at the upper part of the first inner side surface, and the second socket is located at the middle part or the lower part of the first inner side surface;

[0008] The front and rear ends of the upper frame are respectively inserted into the first slots of the two connecting seats and locked and connected, and the front and rear ends of the lower frame are respectively inserted into the second slots of the two connecting seats and locked and connected;

[0009] The left and right ends of each of the rollers are respectively inserted into the first sockets of the corresponding two connecting seats and are locked and connected; each of the transverse tubes is respectively inserted into the second sockets of the corresponding two connecting seats and are locked and connected.

[0010] Preferably, it also includes a lifting connection frame assembly, and the left and right ends of the lifting connection frame assembly are respectively locked to the lower parts of the first inner side surfaces of the corresponding two connection seats.

[0011] Preferably, the cross-section of the first slot is an L-shaped structure, and the cross-section of the second slot is an inverted L-shaped structure; the top of the first slot and the direction toward the first inner side surface are both open structures, so that the first slot can be used for upper frames of different sizes; the bottom of the second slot and the direction toward the first inner side surface are both open structures, so that the second slot can be used for lower frames of different sizes.

[0012] Preferably, a notch is formed at the top of the first socket; the notch can avoid other parts of the treadmill and prevent the top of the first socket from interfering with other parts.

[0013] Preferably, the first socket is an elongated hole.

[0014] Preferably, the front end of the second socket of the connecting socket located at the front end of the frame assembly and the direction toward the first outer side surface and the direction toward the first inner side surface are all open structures.

[0015] Preferably, the connection seat located at the rear end of the frame assembly has an opening structure behind and below the second socket; the opening structure behind and below the second socket makes the second socket suitable for transverse tubes of different sizes.

[0016] Preferably, it further comprises a motor fixing tube and two connecting structures; each of the connecting structures comprises a body, the body having a second outer side surface and a second inner side surface, the upper part and the lower part of the second outer side surface respectively having a first accommodating groove and a second accommodating groove extending in the front-rear direction; the lower part of the second inner side surface is provided with a transverse member, the transverse member having a first bottom plate and four first vertical plates spaced apart on the first bottom plate, the first bottom plate is provided with two threaded holes, and the four first vertical plates are respectively provided with a threaded hole correspondingly;

[0017] The two upper frames are respectively placed in the first receiving grooves of the two connecting structures and are locked and connected; the two lower frames are respectively placed in the second receiving grooves of the two connecting structures and are locked and connected;

[0018] The transverse members of the two connection structures are respectively inserted into the left and right ends of the motor fixing pipe and are locked and connected with the motor fixing pipe through the threaded holes.

[0019] Preferably, each of the connection structures further comprises a fixing plate;

[0020] There is a protruding piece protruding outward between the first accommodating groove and the second accommodating groove, and the protruding piece is provided with a convex portion. The fixing plate is locked on the convex portion, and the horizontal plane where the bottom end of the fixing plate is located is located at the lower part of the second accommodating groove, and the lower part of the fixing plate clamps the outer wall of the lower frame.

[0021] Preferably, the fixing plate is a circular structure to avoid sharpness and prevent damage when an object touches it.

[0022] The advantages of the present invention are that the various components of the chassis, namely the frame assembly, the cross tube and the roller, can be detachably connected through a connecting seat, the production is extremely simple, and manpower and time costs are saved; since the treadmill chassis does not require welding, the production process of the treadmill chassis is greatly simplified, and harmful gases such as carbon dioxide, sulfur dioxide, carbon monoxide, ozone, etc. generated by welding are reduced, which is green and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a treadmill chassis of the present invention;

[0024] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0025] Figure 3 for Figure 1 The enlarged view of point B in the middle;

[0026] Figure 4 It is a structural schematic diagram of the connecting seat in the present invention;

[0027] Figure 5 for Figure 1 Enlarged view of point C in the middle;

[0028] Figure 6 for Figure 1 The enlarged view of point D in the middle;

[0029] Figure 7 It is a structural schematic diagram of the connection body in the present invention. DETAILED DESCRIPTION

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the present invention, the front end of the treadmill refers to the direction in which the human body faces forward when a person runs on the treadmill, and the rear end of the treadmill is the opposite end; the front and rear directions of the chassis, frame assembly 1 and connecting seat 4 are consistent with those of the treadmill.

[0032] See also Figure 1, a treadmill chassis, including two frame components 1, two horizontal tubes 2, two rollers 3, four connecting seats 4, a lifting connecting frame component 5, a motor fixing tube 6 and two connecting structures 7; each of the frame components 1 includes an upper frame 11 and a lower frame 12 arranged up and down; each of the connecting seats 4 has a first outer side surface 41 and a first inner side surface 42, the side of the connecting seat 4 facing the inside of the treadmill is the first inner side surface 42, and the opposite side is the first outer side surface 41; the first outer side surface 41 has a first slot 411 and a second slot 412 extending in the front and rear directions, and the first slot 411 and the second slot 412 are respectively located at the upper and lower parts of the first outer side surface 41; the front and rear ends of the upper frame 11 are respectively inserted into the first slots 411 of the two connecting seats 4 and locked and connected, and the front and rear ends of the lower frame 12 are respectively inserted into the second slots 412 of the two connecting seats 4 and locked and connected.

[0033] Please refer to Figure 1-2 The cross section of the first slot 411 is an L-shaped structure, and the top of the first slot 411 and the direction toward the first inner side surface 42 are both open structures, so that the first slot 411 can be used for upper frames 11 of different sizes; the cross section of the second slot 412 is an inverted L-shaped structure; the bottom of the second slot 412 and the direction toward the first inner side surface 42 are both open structures, so that the second slot 412 can be used for lower frames 12 of different sizes. A plurality of reinforcing ribs 413 are arranged between the first slot 411 and the second slot 412 to strengthen the strength of the connecting seat 4, and also to strengthen the supporting strength of the first slot 411 and the second slot 412.

[0034] Please refer to Figure 1 and Figure 4 The first inner side surface 42 includes a first socket 421 and a second socket 422, wherein the first socket 421 is located at the upper part of the first inner side surface 42, and the second socket 422 is located at the middle or lower part of the first inner side surface 42; the left and right ends of each drum 3 are respectively inserted into the first sockets 421 of the corresponding two connecting seats 4 and locked; each transverse tube 2 is respectively inserted into the second sockets 422 of the corresponding two connecting seats 4 and locked. The left and right ends of the lifting connection frame assembly 5 are respectively locked to the lower part of the first inner side surface 42 of the corresponding two connecting seats 4 (i.e., the two connecting seats 4 located at the front end of the frame assembly 1).

[0035] Please refer to Figure 3-5In a preferred embodiment, a notch 4211 is provided at the top of the first socket 421a, and the first socket 421a and the connecting base 4 are integrally formed. In another preferred embodiment, the first socket 421b is surrounded by two second vertical plates 4211 and a second bottom plate 4212; the notch 4211 can avoid other parts of the treadmill and prevent the top of the first socket 421 from interfering with other parts. In another preferred embodiment, the first socket 421c is an elongated hole.

[0036] Please refer to Figure 1 and Figure 3-4 , the connection seat 4 (see Figure 4 ), the front end of the second socket 422 and the direction toward the first outer side surface 41 and the direction toward the first inner side surface 42 are all open structures, which can be applied to transverse tubes 2 of different sizes. The connecting seat 4 (see Figure 3 ), the rear and bottom of the second socket 422 are both open structures; the rear and bottom of the second socket 422 are open structures, so that the second socket 422 can be suitable for cross pipes 2 of different sizes.

[0037] Please refer to Figure 1 and Figure 6-7 Each of the connection structures 7 includes a connection body 71 and a fixing plate 72; the connection body 71 has a second outer side surface 711 and a second inner side surface 712, and the upper and lower parts of the second outer side surface 711 respectively have a first receiving groove 7111 and a second receiving groove 7112 extending in the front-rear direction; the two upper frames 11 are respectively placed in the first receiving grooves 7111 of the two connection structures 7 and locked and connected; the two lower frames 12 are respectively placed in the second receiving grooves 7112 of the two connection structures 7 and locked and connected; between the first receiving groove 7111 and the second receiving groove 7112 is a protruding member 73 protruding outward, and a convex portion 74 is provided on the protruding member 73, and the fixing plate 72 is locked on the convex portion 74, and the horizontal plane where the bottom end of the fixing plate 72 is located is located at the lower part of the second receiving groove 7112, and the lower part of the fixing plate 72 clamps the outer wall of the lower frame 12. The fixing plate 72 is a circular structure to avoid sharpness and prevent damage when an object touches it. A transverse member 7121 is provided at the lower part of the second inner side surface 712, and the transverse member 7121 has a first bottom plate 7121a and four first vertical plates 7121b spaced apart on the first bottom plate 7121a, the first bottom plate 7121a is provided with two threaded holes 9, and the four first vertical plates 7121b are provided with a threaded hole 9 respectively; the transverse members 7121 of the two connecting structures 7 are respectively inserted into the left and right ends of the motor fixing pipe 6, and are locked and connected with the motor fixing pipe 6 through the threaded holes 9. The connecting structure 7 allows the motor fixing pipe 6, the upper frame 11 and the lower frame 12 to be detachably locked and connected without welding.

[0038] The components of the base frame in the present invention, namely the frame assembly 1, the motor fixing tube 6, the cross tube 2, the roller 3 and the lifting connecting frame assembly 5, can be detachably connected through the connecting seat 4 and the connecting structure 7. The connection is simple and does not require welding, which greatly simplifies the process and saves manpower and time costs.

[0039] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

Claims

1. A treadmill chassis, characterized in that: It comprises two frame components (1), two transverse tubes (2), two rollers (3) and four connecting seats (4); Each frame assembly (1) comprises an upper frame (11) and a lower frame (12) arranged above and below; Each of the connecting seats (4) has a first outer side surface (41) and a first inner side surface (42); the first outer side surface (41) has a first slot (411) and a second slot (412) extending in the front-to-back direction, the first slot (411) and the second slot (412) being located at the upper part and the lower part of the first outer side surface (41) respectively; the first inner side surface (42) includes a first socket (421) and a second socket (422), the first socket (421) being located at the upper part of the first inner side surface (42), and the second socket (422) being located at the middle part or the lower part of the first inner side surface (42); The front and rear ends of the upper frame (11) are respectively inserted into the first slots (411) of the two connecting seats (4) and are locked and connected, and the front and rear ends of the lower frame (12) are respectively inserted into the second slots (412) of the two connecting seats (4) and are locked and connected; The left and right ends of each of the rollers (3) are respectively inserted into the first sockets (421) of the corresponding two connecting seats (4) and are locked and connected; and each of the transverse tubes (2) is respectively inserted into the second sockets (422) of the corresponding two connecting seats (4) and are locked and connected.

2. A treadmill chassis as claimed in claim 1, characterized in that: It also includes a lifting connection frame assembly (5), the left and right ends of the lifting connection frame assembly (5) are respectively locked to the lower parts of the first inner side surfaces (42) of the corresponding two connection seats (4).

3. A treadmill chassis as claimed in claim 1, characterized in that: The cross section of the first slot (411) is in an L-shaped structure, and the cross section of the second slot (412) is in an inverted L-shaped structure.

4. A treadmill chassis as claimed in claim 1, characterized in that: A notch (4211) is formed at the top of the first socket (421).

5. A treadmill chassis as claimed in claim 1, characterized in that: The first socket (421) is an elongated hole.

6. A treadmill chassis as claimed in claim 1, characterized in that: The connection seat (4) located at the front end of the frame assembly (1) has an opening structure at the front end of the second socket (422) and in the direction towards the first outer side surface (41) and the direction towards the first inner side surface (42).

7. A treadmill chassis as claimed in claim 1, characterized in that: The connection seat (4) located at the rear end of the frame assembly (1) has an opening structure behind and below the second socket (422).

8. A treadmill chassis as claimed in claim 1, characterized in that: It also includes a motor fixing tube (6) and two connecting structures (7); each of the connecting structures (7) includes a connecting body (71), the connecting body (71) having a second outer side surface (711) and a second inner side surface (712), the upper part and the lower part of the second outer side surface (711) respectively having a first accommodating groove (7111) and a second accommodating groove (7112) extending in the front-rear direction; the lower part of the second inner side surface (712) is provided with a transverse member (7121), the transverse member (7121) having a first bottom plate (7121a) and four first vertical plates (7121b) arranged at intervals on the first bottom plate (7121a), the first bottom plate (7121a) being provided with two threaded holes (9), and the four first vertical plates (7121b) being provided with a threaded hole (9) respectively correspondingly; The two upper frames (11) are respectively placed in the first receiving grooves (7111) of the two connecting structures (7) and are locked and connected; the two lower frames (12) are respectively placed in the second receiving grooves (7112) of the two connecting structures (7) and are locked and connected; The transverse members (7121) of the two connection structures (7) are respectively inserted into the left and right ends of the motor fixing tube (6), and are locked and connected to the motor fixing tube (6) through the threaded holes (9).

9. A treadmill chassis as claimed in claim 8, characterized in that: Each of the connecting structures (7) further comprises a fixing plate (72); Between the first accommodating groove (7111) and the second accommodating groove (7112) is a protruding piece (73) protruding outward, and the protruding piece (73) is provided with a convex portion (74), and the fixing plate (72) is locked on the convex portion (74), and the lower part of the fixing plate (72) clamps the outer wall of the lower frame (12).

10. A treadmill chassis as claimed in claim 9, characterized in that: The fixing plate (72) is of a circular structure to avoid sharpness and prevent damage when an object touches it.

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