CN214344170U

CN214344170U - Running machine underframe

Info

Publication number: CN214344170U
Application number: CN202120353000.5U
Authority: CN
Inventors: 蔡有财; 郑清松
Original assignee: Xiamen Mydo Sports Equipment Co ltd
Current assignee: Xiamen Mydo Sports Equipment Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-10-08
Anticipated expiration: 2031-02-08

Abstract

An underframe of a treadmill comprises two frame assemblies, two transverse pipes, two rollers and four connecting seats; the frame component comprises an upper frame and a lower frame which are arranged up and down; the connecting seat is provided with a first outer side surface and a first inner side surface; the first outer side face is provided with a first slot and a second slot; the first inner side surface comprises a first spigot and a second spigot, and the second spigot is positioned in the middle or lower part of the first inner side surface; the front end and the rear end of the upper frame are respectively inserted into the first slots of the two connecting seats and are connected in a locking manner, and the front end and the rear end of the lower frame are respectively inserted into the second slots of the two connecting seats and are connected in a locking manner; the left end and the right end of each roller are respectively inserted into the first inserting holes of the two corresponding connecting seats and are connected in a locking manner; each horizontal pipe is respectively inserted into the second sockets of the two corresponding connecting seats and is connected in a locking manner. The utility model discloses can couple together each part detachably of chassis, connect portably, do not need the welding, the time cost of using manpower sparingly.

Description

Running machine underframe

Technical Field

The utility model relates to a treadmill, in particular to treadmill chassis.

Background

The electric running machine can simulate running and walking state of person, and uses electric energy as power to drive electric motor to produce kinetic energy to drive drum and running belt to rotate, and uses electronic meter to control speed and gradient parameters so as to attain the goal of selective running and walking. The user can select the exercise intensity according to the physical condition of the user. The running exercise can accelerate the burning of fat, increase oxygen consumption, reduce weight, and improve the circulatory system and metabolic function of human body.

The chassis of the existing running machine is generally square, all parts of the chassis are formed by welding, and the running machine is not environment-friendly except complex and tedious in process, and increases the transportation of production, so that a production enterprise consumes a large amount of manpower and material resources.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior device, the utility model provides a running machine chassis.

The utility model discloses a realize like this: an underframe of a treadmill comprises two frame assemblies, two transverse pipes, two rollers and four connecting seats;

each frame component comprises an upper frame and a lower frame which are arranged up and down;

each connecting seat is provided with a first outer side surface and a first inner side surface; the first outer side face is provided with a first slot and a second slot which extend along the front-back direction, and the first slot and the second slot are respectively positioned at the upper part and the lower part of the first outer side face; the first inner side surface comprises a first spigot and a second spigot, the first spigot is positioned at the upper part of the first inner side surface, and the second spigot is positioned at the middle part or the lower part of the first inner side surface;

the front end and the rear end of the upper frame are respectively inserted into the first slots of the two connecting seats and are connected in a locking manner, and the front end and the rear end of the lower frame are respectively inserted into the second slots of the two connecting seats and are connected in a locking manner;

the left end and the right end of each roller are respectively inserted into the first inserting holes of the two corresponding connecting seats and are connected in a locking manner; each horizontal pipe is respectively inserted into the second sockets of the two corresponding connecting seats and is connected in a locking manner.

Preferably, the lifting connecting frame assembly is further included, and the left end and the right end of the lifting connecting frame assembly are respectively locked and attached to the lower parts of the first inner side surfaces of the two corresponding connecting seats.

Preferably, the cross section of the first slot is of an L-shaped structure, and the cross section of the second slot is of an inverted L-shaped structure; the upper part of the first slot and the direction towards the first inner side surface are both of opening structures, so that the first slot can be suitable for upper frames with different sizes; the bottom end and the orientation of the second slot are both of an opening structure in the direction of the first inner side surface, so that the second slot can be suitable for lower frames of different sizes.

Preferably, a notch is formed in the top end of the first socket; the notch is arranged to avoid other parts of the treadmill, and the top end of the first socket is prevented from interfering with other parts.

Preferably, the first socket is an elongated hole.

Preferably, the connecting seat at the front end of the side frame assembly is of an opening structure at the front end of the second inserting opening and towards the first outer side surface direction and the first inner side surface direction.

Preferably, the connecting seat is positioned at the rear end of the frame component, and the rear part and the lower part of the second socket of the connecting seat are both of an opening structure; the rear and the lower part of the second socket are of an opening structure, so that the second socket can be suitable for transverse pipes with different sizes.

Preferably, the device also comprises a motor fixing pipe and two connecting structures; each connecting structure comprises a body, the body is provided with a second outer side face and a second inner side face, and the upper part and the lower part of the second outer side face are respectively provided with a first accommodating groove and a second accommodating groove which extend along the front-back direction; the lower part of the second inner side surface is provided with a transverse member, the transverse member is provided with a first bottom plate and four first vertical plates arranged on the first bottom plate at intervals, the first bottom plate is provided with two threaded holes, and the four first vertical plates are correspondingly provided with threaded holes respectively;

the two upper frames are respectively arranged in the first accommodating grooves of the two connecting structures and are in locking connection; the two lower frames are respectively arranged in the second accommodating grooves of the two connecting structures and are in locking connection;

the cross members of the two connecting structures are respectively inserted into the left end and the right end of the motor fixing pipe and are in locking connection with the motor fixing pipe through the threaded holes.

Preferably, each of the connecting structures further comprises a fixing plate;

an outward protruding piece is arranged between the first accommodating groove and the second accommodating groove, a protruding portion is arranged on the protruding piece, the fixing plate is locked on the protruding portion, the horizontal plane where the bottom end of the fixing plate is located at the lower portion of the second accommodating groove, and the lower portion of the fixing plate clamps the outer wall of the lower frame.

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

The utility model has the advantages that: each part of the underframe, namely the frame assembly, the transverse pipe and the roller, can be detachably connected through the connecting seat, so that the production is extremely simple and convenient, and the labor time cost is saved; because the treadmill chassis does not need to be welded, the production process of the treadmill chassis is greatly simplified, harmful gases such as carbon dioxide, sulfur dioxide, carbon monoxide and ozone generated by welding are reduced, and the treadmill chassis is green and environment-friendly.

Drawings

Fig. 1 is a schematic structural view of a chassis of a running machine according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

FIG. 4 is a schematic structural view of the connecting seat of the present invention;

FIG. 5 is an enlarged view at C of FIG. 1;

FIG. 6 is an enlarged view taken at D in FIG. 1;

fig. 7 is a schematic structural view of the middle connection body of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the utility model, the front end of the running machine refers to the direction of the human body facing forward when a person runs on the running machine, and the rear end of the running machine is the opposite end; the front and back directions of the underframe, the frame component 1 and the connecting seat 4 are consistent with the running machine.

Referring to fig. 1, an underframe of a treadmill comprises two frame assemblies 1, two horizontal pipes 2, two rollers 3, four connecting seats 4, a lifting connecting frame assembly 5, a motor fixing pipe 6 and two connecting structures 7; each frame component 1 comprises an upper frame 11 and a lower frame 12 which are arranged up and down; each connecting seat 4 is provided with a first outer side surface 41 and a first inner side surface 42, one surface of each connecting seat 4 facing the inside of the treadmill is the first inner side surface 42, and the opposite surface 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-rear direction, and the first slot 411 and the second slot 412 are respectively located at the upper part and the lower part 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 are connected in a locking manner, 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 connected in a locking manner.

Referring to fig. 1-2 again, the cross section of the first slot 411 is an L-shaped structure, and both the upper side and the direction facing the first inner side surface 42 of the first slot 411 are open structures, so that the first slot 411 can be adapted to upper frames 11 with different sizes; the cross section of the second slot 412 is of an inverted L-shaped structure; the bottom end 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 adapted to lower frames 12 with different sizes. A plurality of reinforcing rib plates 413 are arranged between the first slot 411 and the second slot 412 at intervals for reinforcing the strength of the connecting seat 4 and also reinforcing the supporting strength of the first slot 411 and the second slot 412.

Referring again to fig. 1 and 4, the first inner side surface 42 includes a first inserting opening 421 and a second inserting opening 422, the first inserting opening 421 is located at the upper part of the first inner side surface 42, and the second inserting opening 422 is located at the middle or lower part of the first inner side surface 42; the left end and the right end of each roller 3 are respectively inserted into the first inserting holes 421 of the two corresponding connecting seats 4 and are connected in a locking manner; each horizontal tube 2 is inserted into the second sockets 422 of the two corresponding connecting seats 4 and is connected in a locking manner. The left and right ends of the lifting connecting frame assembly 5 are respectively locked to the lower parts of the first inner side surfaces 42 of the two corresponding connecting seats 4 (i.e. the two connecting seats 4 at the front end of the side frame assembly 1).

Referring to fig. 3-5, in a preferred embodiment, a top end of the first socket 421a is formed with a notch 4211, the first socket 421a and the connecting seat 4 are integrally formed, and in another embodiment, the first socket 421b is surrounded by two second vertical plates 4211 and a second bottom plate 4212; the gap 4211 is provided to avoid other parts of the treadmill and prevent the top end of the first socket 421 from interfering with other parts. In another preferred embodiment, the first inserting hole 421c is an elongated hole.

Referring to fig. 1 and fig. 3-4, the connecting seat 4 (see fig. 4) at the front end of the side frame assembly 1 has an opening structure at the front end of the second insertion opening 422 in the direction toward the first outer side surface 41 and the first inner side surface 42, and is suitable for the transverse pipes 2 with different sizes. The connecting seat 4 (see fig. 3) is positioned at the rear end of the frame component 1, and the rear part and the lower part of the second socket 422 of the connecting seat are both of an open structure; the rear and the lower part of the second socket 422 are of an opening structure, so that the second socket 422 can be suitable for transverse pipes 2 with different sizes.

Referring to fig. 1 and fig. 6-7 again, each of the connecting structures 7 includes a connecting body 71 and a fixing plate 72; the connecting body 71 has a second outer side surface 711 and a second inner side surface 712, and the upper portion and the lower portion 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 arranged in the first accommodating grooves 7111 of the two connecting structures 7 and are in locking connection; the two lower frames 12 are respectively arranged in the second containing grooves 7112 of the two connecting structures 7 and are connected in a locking manner; an outward protruding part 73 is arranged between the first receiving groove 7111 and the second receiving groove 7112, a protruding part 74 is arranged on the protruding part 73, the fixing plate 72 is locked on the protruding part 74, the horizontal plane at the bottom end of the fixing plate 72 is located at the lower portion of the second receiving groove 7112, and the lower portion of the fixing plate 72 is clamped on the outer wall of the lower frame 12. The fixing plate 72 has a circular structure to avoid sharpness and prevent damage when an object touches. A transverse member 7121 is arranged at the lower part of the second inner side 712, the transverse member 7121 has a first bottom plate 7121a and four first vertical plates 7121b arranged on the first bottom plate 7121a at intervals, two threaded holes 9 are arranged on the first bottom plate 7121a, and threaded holes 9 are correspondingly arranged on the four first vertical plates 7121b respectively; the cross members 7121 of the two connecting structures 7 are inserted into the left and right ends of the motor fixing tube 6, and are locked and connected with the motor fixing tube 6 through the threaded holes 9. The connecting structure 7 can detachably lock and connect the motor fixing tube 6, the upper frame 11 and the lower frame 12 without welding.

The utility model provides an each part of chassis is frame subassembly 1, the fixed pipe 6 of motor, violently manages 2, cylinder 3 and the lifting link subassembly 5, through connecting seat 4 and connection structure 7 can realize that detachably connects, connect portably, do not need the welding, have greatly simplified technology, the time cost of using manpower sparingly.

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

Claims

1. A treadmill chassis, characterized by: comprises two frame components (1), two transverse pipes (2), two rollers (3) and four connecting seats (4);

each frame component (1) comprises an upper frame (11) and a lower frame (12) which are arranged up and down;

each connecting seat (4) is provided with a first outer side surface (41) and a first inner side surface (42); the first outer side surface (41) is provided with a first slot (411) and a second slot (412) which extend along the front-back direction, and the first slot (411) and the second slot (412) are respectively positioned at the upper part and the lower part of the first outer side surface (41); the first inner side surface (42) comprises a first inserting opening (421) and a second inserting opening (422), the first inserting opening (421) is positioned at the upper part of the first inner side surface (42), and the second inserting opening (422) is positioned at the middle or the lower part of the first inner side surface (42);

the front end and the rear end of the upper frame (11) are respectively inserted into the first slots (411) of the two connecting seats (4) and are connected in a locking manner, and the front end and the rear end of the lower frame (12) are respectively inserted into the second slots (412) of the two connecting seats (4) and are connected in a locking manner;

the left end and the right end of each roller (3) are respectively inserted into the first inserting holes (421) of the corresponding two connecting seats (4) and are connected in a locking manner; each transverse pipe (2) is respectively inserted into the second inserting holes (422) of the two corresponding connecting seats (4) and is connected in a locking manner.

2. A treadmill frame as recited in claim 1, wherein: the lifting connecting frame assembly (5) is further included, and the left end and the right end of the lifting connecting frame assembly (5) are respectively locked and attached to the lower portions of the first inner side surfaces (42) of the two corresponding connecting seats (4).

3. A treadmill frame as recited in claim 1, wherein: the cross section of the first slot (411) is of an L-shaped structure, and the cross section of the second slot (412) is of an inverted L-shaped structure.

4. A treadmill frame as recited in claim 1, wherein: the top end of the first socket (421) is provided with a notch (4211).

5. A treadmill frame as recited in claim 1, wherein: the first socket (421) is a long hole.

6. A treadmill frame as recited in claim 1, wherein: the connecting seat (4) is positioned at the front end of the frame component (1), and the front end of the second inserting opening (422) and the direction towards the first outer side surface (41) and the direction towards the first inner side surface (42) are both of opening structures.

7. A treadmill frame as recited in claim 1, wherein: the rear part and the lower part of a connecting seat (4) which is positioned at the rear end of the frame component (1) are both of an opening structure.

8. A treadmill frame as recited in claim 1, wherein: also comprises a motor fixing pipe (6) and two connecting structures (7); each connecting structure (7) comprises a connecting body (71), the connecting body (71) is provided with a second outer side surface (711) and a second inner side surface (712), and the upper part and the lower part of the second outer side surface (711) are respectively provided with a first accommodating groove (7111) and a second accommodating groove (7112) which extend along the front-back direction; a transverse component (7121) is arranged at the lower part of the second inner side face (712), the transverse component (7121) is provided with a first bottom plate (7121a) and four first vertical plates (7121b) which are arranged on the first bottom plate (7121a) at intervals, two threaded holes (9) are formed in the first bottom plate (7121a), and threaded holes (9) are correspondingly formed in the four first vertical plates (7121b) respectively;

the two upper frames (11) are respectively arranged in the first containing grooves (7111) of the two connecting structures (7) and are connected in a locking manner; the two lower frames (12) are respectively arranged in the second containing grooves (7112) of the two connecting structures (7) and are connected in a locking manner;

the transverse members (7121) of the two connecting structures (7) are respectively inserted into the left end and the right end of the motor fixing pipe (6) and are in locking connection with the motor fixing pipe (6) through the threaded holes (9).

9. A treadmill frame as recited in claim 8, wherein: each connecting structure (7) also comprises a fixing plate (72);

an outward protruding part (73) is arranged between the first accommodating groove (7111) and the second accommodating groove (7112), a convex part (74) is arranged on the protruding part (73), the fixing plate (72) is locked on the convex part (74), and the lower part of the fixing plate (72) is clamped on the outer wall of the lower frame (12).

10. A treadmill frame as recited in claim 9, wherein: the fixing plate (72) is of a circular structure so as to avoid sharpness and prevent an object from being damaged when being touched.