CN110812816A - Combined bicycle exercise rack - Google Patents

Abstract

The invention relates to a combined bicycle practice frame, which comprises a front wheel bracket and a rear wheel reluctance roller device. The front wheel bracket includes a bracket body. The bracket body is distributed with three support feet installation positions along the circumference, and the support foot installation positions are installed by fastening bolts. There are supporting feet, a front wheel connecting structure is arranged on the bracket body, a lifting adjusting device for adjusting the distance between the front wheel connecting structure and the bracket body is arranged between the front wheel connecting structure and the bracket body, and the rear wheel reluctance roller device includes a relative The installed installation plate is provided with two rollers arranged at intervals between the installation plates, wherein a reluctance adjustment device is arranged between one of the rollers and the installation plate, and the two ends of the installation plate are respectively connected with rotatable rotating shafts. The beneficial effects of the present invention The reason is: it takes up less space after storage, and can be adapted to different sizes of bicycle bodies after combination, with strong versatility.

Description

Combined bicycle practice rack

technical field

The invention relates to the field of bicycle exercise racks, in particular to a combined bicycle exercise rack.

Background technique

Bicycles, as a main convenient transportation, low-carbon and energy-saving, have entered many families. With the increasing number of cars, the use of bicycles has become less and less, but many people are still keen on bicycle sports, and bicycles are no longer just a It is a kind of means of transportation, and it is also a kind of equipment for exercising. However, the exercise of bicycles requires ample space and enough venues. Nowadays, with congested roads and residential areas in cities, people have more and more opportunities to use bicycles to exercise. The less, and if the weather is bad such as rainy days, it will affect people's exercise. Therefore, a riding platform that can ride bicycles indoors came into being.

At present, there are roughly two types of exercise racks on the market, one is a drum type and the other is a reluctance type. The drum type exercise rack requires the front and rear wheels of the bicycle to be placed on the exercise rack. The real riding situation is simulated by the movement between the roller and the front and rear wheels, but the use of this practice rack requires more professional personnel to use it, that is, because the front and rear wheels of the bicycle are rotated on the roller, it is easy for people with poor balance to control The stability of the car body is not good, causing the car to fall. Therefore, more and more people choose the reluctance type practice frame. This kind of practice frame uses the rear wheel to hang up, so that the rear wheel is suspended when riding, and the bicycle pedal is stepped on the bicycle in the air. The rear wheel is rotated to simulate the real riding environment. This type of exercise rack can also adjust the magnetic resistance to simulate the gears of mountain bikes and road bikes. People will feel weightless when contacting, and it takes a while to get used to, and both types of exercise racks still take up a lot of space even after being stored.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention lies in the deficiencies of the above-mentioned prior art,

Provides a combined bicycle practice rack that occupies less space after storage, is easy to use, and can be adapted to different sizes of bodies.

In order to achieve the above purpose, the present invention provides the following technical solutions: a combined bicycle practice frame, including a front wheel bracket and a rear wheel reluctance roller device, characterized in that: the front wheel bracket includes a bracket body, and the bracket body There are at least three support feet installation positions distributed along the circumference. The support feet are installed in the support foot installation positions through fastening bolts. The support body is provided with a front wheel connection structure, and an adjustable front wheel connection structure is provided between the front wheel connection structure and the support body. A lifting adjustment device for the distance between the front wheel connection structure and the bracket body, the rear wheel reluctance roller device includes a mounting plate set up oppositely, and two rollers arranged at intervals are arranged between the mounting plates, one of which is connected to the mounting plate. A reluctance adjusting device is arranged between the plates, and two ends of the mounting plate are respectively connected with rotating shafts that can be rotatably arranged. One of the rotating shafts is connected with a connecting plate that can be rotated along the axial direction of the rotating shaft, and between the connecting plate and one of the legs A connection structure with retractable settings is provided.

Using the above technical solution, the legs are connected to the bracket body by fastening bolts, loosen the fastening bolts when storage is required, and fold the legs to the end close to the bracket body, thereby reducing the space occupied by the front wheel bracket when it is stored, and when it is necessary to adjust the legs The opening angle can also be adjusted by tightening the bolts. A magnetic resistance adjusting device is set between one of the rollers and the mounting plate, which can easily adjust the resistance between the rollers and simulate different pedaling strengths after shifting gears during real riding. The front wheel connecting structure is arranged on the body. When in use, the front wheel of the bicycle is disassembled and the position where the front wheel is originally installed is connected with the front wheel connecting structure, and the distance between the front wheel connecting structure and the bracket body is adjustable. It is shown that it can be adapted to bicycles of different heights. One end of the drum is connected to one of the legs of the front wheel bracket through the connecting plate. A retractable connecting structure is set between the connecting plate and the supporting foot, and the front wheel bracket and the rear wheel magnet are adjusted through the connecting structure. The distance between the reluctance roller devices, for bicycles with different tire sizes, the body length of the bicycle is also different. Therefore, the distance between the front wheel bracket and the rear wheel reluctance roller device is realized through this connection mechanism, which can be adapted Body of different lengths to improve versatility between practice racks.

The above-mentioned combined bicycle exercise rack can be further configured as follows: the front wheel connecting structure includes a T-shaped front wheel connecting rod arranged on the upper end of the bracket body, and the front wheel connecting rod is provided with an elastic handle, and the lifting adjustment The device includes a first connecting cavity provided on the upper end of the bracket body, one end of the front wheel connecting rod is inserted into the first connecting cavity, and between the front wheel connecting rod and the first connecting cavity is arranged through the first connecting cavity. The locking handle, the connecting mechanism includes a connecting sleeve, the connecting sleeve is provided with a second connecting cavity with one end open, the connecting plate is connected with the connecting sleeve through the second connecting cavity, and a locking device is arranged between the connecting sleeve and the connecting plate A connecting claw is provided at one end of the connecting sleeve away from the connecting plate, and a second locking handle is arranged on the supporting foot. The connecting claw is connected to the second locking handle and is locked and arranged by the second locking handle.

With the above technical solution, the width of the front wheel connecting rod is the same as the width at the position where the front wheel is installed on the frame. By setting the elastic handle on the front wheel connecting rod, the front wheel of the bicycle is removed and installed on the front wheel connecting rod during use, and the front wheel is installed on the front wheel connecting rod. It is locked by the elastic handle. When connecting the front wheel bracket and the rear wheel magnetoresistive roller device together, the connecting claw of the connecting sleeve arranged on the rear wheel magnetoresistive roller device and the second locking handle on the foot are used for locking. Connection, the width of the second locking handle is consistent with the width of the connecting claw. After connection, it is locked by the second locking handle. The design of the locking handle is convenient for disassembly for storage and quick installation when needed. The connection sleeve is not required. When extending, it can shrink along the connecting plate and store the connecting plate along the rotating shaft below the rear wheel reluctance roller device, further reducing the space occupied after storage.

The above-mentioned combined bicycle exercise rack can be further configured as follows: the support body is provided with a support foot reinforcement structure between the support foot installation position and the support foot, and the support foot reinforcement structure includes a first connecting plate arranged on the support foot, and the second A connecting plate is movably connected with a second connecting plate through a first connecting bolt, the second connecting plate is provided with a connecting long slot, the support leg is provided with a connecting hole at the corresponding position of the connecting long slot, and the connecting long slot is The second connecting bolt is connected with the connecting hole through the second connecting bolt, and the second connecting bolt can be movably arranged along the connecting long groove.

By adopting the above technical solution, by setting the support foot reinforcement structure to prevent the accident caused by the instability of the front wheel after the front wheel is connected to the front wheel bracket, the front wheel bracket is unstable due to the excessive opening of the support foot. A connecting plate, the first connecting plate is movably connected with a second connecting plate that can rotate along the first connecting bolt through the first connecting bolt, the second connecting plate is provided with a long connecting groove, and the supporting foot is provided with a second connecting hole, and the connecting long The slot is connected to the connecting hole through a second connecting bolt, and the second connecting bolt can move in the connecting hole after connection, which on the one hand acts as a reinforcement, on the other hand, limits the opening angle of the legs to prevent the angle from being opened too large.

The above-mentioned combined bicycle connecting frame may be further configured as follows: the magnetic resistance adjusting device includes a magnetic damping adjuster, and one end of the magnetic damping adjuster is connected to the drum through a pulley.

With the above technical solution, the drum includes a drum body and a connecting shaft passing through the drum body. The drum body is installed between the mounting plates through the connecting shaft. There are various types of magnetic damping adjusters on the market. The magnetic damping adjuster is connected to the connecting shaft of one of the drums, and the damping force of the drum can be adjusted through the magnetic damping adjuster, thereby simulating the situation where the required pedal force increases after shifting gears on a real bicycle.

The beneficial effects of the invention are as follows: after storage, it occupies less space, can be adapted to different sizes of bicycle bodies after being assembled, and has strong versatility, and the front and rear wheels are not suspended after installation, and the use experience is good.

The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Description of drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention.

FIG. 2 is a schematic diagram of the extension state of the connecting sleeve according to the embodiment of the present invention.

FIG. 3 is a schematic diagram of the retracted state of the connecting sleeve according to the embodiment of the present invention.

FIG. 4 is a schematic diagram of a storage state of a front wheel bracket according to an embodiment of the present invention.

Detailed ways

Referring to Figures 1 to 4: the combined bicycle practice frame includes a front wheel bracket 1, a rear wheel reluctance roller device 2, the front wheel bracket 1 includes a bracket body 11, and the bracket body 11 is distributed with three legs along the circumference for installation Position 12, the leg installation position 12 is installed with the leg 14 by the fastening bolt 13, the bracket body 11 is provided with a front wheel connection structure, and between the front wheel connection structure and the bracket body 11 is provided with an adjustable front wheel connection structure and the bracket body The lifting adjustment device for the distance between 11 and the rear wheel reluctance roller device 2 includes a mounting plate 21 set up oppositely, and two rollers 22 arranged at intervals are arranged between the mounting plates 21, and one roller 22 is arranged between the mounting plate 21. In the reluctance adjustment device, the two ends of the mounting plate 21 are respectively connected with a rotating shaft 23 that can be rotatably arranged. One of the rotating shafts 23 is connected with a connecting plate 24 that can be rotatably arranged along the axial direction of the rotating shaft 23. The connecting plate 24 is connected to one of the legs. A telescopic connection structure is provided between 14. The front wheel connection structure includes a T-shaped front wheel connecting rod 15 arranged on the upper end of the bracket body 11. The front wheel connecting rod 15 is provided with an elastic handle 16. The lifting adjustment device includes There is a first connecting cavity 111 provided on the upper end of the bracket body 11 , one end of the front wheel connecting rod 15 is inserted into the first connecting cavity 111 , and a first connecting cavity 111 is provided between the front wheel connecting rod 15 and the first connecting cavity 111 . The locking handle 17 is provided, and the connecting mechanism includes a connecting sleeve 242. The connecting sleeve 242 is provided with a second connecting cavity 241 with one end open. The connecting plate 24 is connected to the connecting sleeve 242 through the second connecting cavity 241, and the connecting sleeve 242 is connected to A locking mechanism is provided between the plates 24, a connecting claw 243 is disposed at one end of the connecting sleeve 242 away from the connecting plate 24, and a second locking handle 141 is disposed on the support foot 14, and the connecting claw 243 is connected to the second locking handle 141 and passes through The second locking handle 141 is locked and arranged, the second locking handle 141 is a locking bolt, and one end of the locking bolt is provided with an adjusting handle 142 , and the support body 11 is provided with a support foot reinforcement structure between the support foot installation position 12 and the support foot 14 , the foot reinforcement structure includes a first connecting plate 143 arranged on the supporting foot 14, the first connecting plate 143 is movably connected with a second connecting plate 145 through the first connecting bolt 144, and the second connecting plate 145 is provided with a connecting long slot 1451 , the support leg 14 is provided with a connecting hole 146 at the corresponding position of the connecting long groove 1451, and the connecting long groove 1451 is connected with the connecting hole 146 through the second connecting bolt 147. The device includes a magnetic damping adjuster 3, one end of the magnetic damping adjuster 3 is connected to the drum 22 through a pulley 31, the drum 22 includes a drum body 221 and a connecting shaft pierced through the drum body 221, and the drum body is installed through the connecting shaft 222. Between the plates 21 , the magnetic damping adjuster 3 is connected with the connecting shaft 222 of one of the rollers 22 through the pulley 223 .

Claims (5)

1. The combined bicycle practice frame includes a front wheel support and a rear wheel reluctance roller device, characterized in that: the front wheel support includes a support body, and the support body is distributed with at least three support foot mounting positions along the circumference, In the mounting position of the support feet, the support feet are installed by fastening bolts, the front wheel connection structure is arranged on the support body, and a distance between the front wheel connection structure and the support body is adjusted between the front wheel connection structure and the support body. Lifting adjustment device, the rear wheel reluctance roller device includes installation plates set up oppositely, and two rollers arranged at intervals are arranged between the installation plates, wherein a reluctance adjustment device is arranged between one roller and the installation plate, and the installation plate The two ends are respectively connected with a rotatably arranged rotating shaft, one of the rotating shafts is connected with a connecting plate which can be rotatably arranged along the axial direction of the rotating shaft, and a telescopic connecting structure is arranged between the connecting plate and one of the legs. 2 . The combined bicycle practice frame according to claim 1 , wherein the front wheel connecting structure comprises a T-shaped front wheel connecting rod arranged on the upper end of the bracket body, and the front wheel connecting rod is provided with a T-shaped front wheel connecting rod. 3 . Tighten the handle, the lift adjustment device includes a first connection cavity provided on the upper end of the bracket body, one end of the front wheel connecting rod is inserted into the first connection cavity, and the front wheel connecting rod and the first connection cavity are provided between There is a locking handle arranged through the first connection cavity, the connection mechanism includes a connection sleeve, the connection sleeve is provided with a second connection cavity with one end open, the connection plate is connected with the connection sleeve through the second connection cavity, and the connection sleeve is connected with the connection sleeve. A locking mechanism is arranged between the plates, a connecting claw is arranged at one end of the connecting sleeve away from the connecting plate, and a second locking handle is arranged on the supporting foot, and the connecting claw is connected to the second locking handle and passes through the second locking handle. Lock the handle to lock the setting. 3 . The combined bicycle exercise stand according to claim 2 , wherein the second locking handle is a locking bolt, and one end of the locking bolt is provided with an adjusting handle. 4 . 4. The combined bicycle exercise stand according to any one of claims 1-3, wherein the support body is provided with a support foot reinforcement structure below the support foot installation position and between the support feet, and the support foot reinforcement structure includes a The first connecting plate is arranged on the support leg, the second connecting plate is movably connected to the first connecting plate through the first connecting bolt, the connecting long groove is provided on the second connecting plate, and the support leg is in the connection long groove. Corresponding positions are provided with connecting holes, the connecting long grooves are connected with the connecting holes by second connecting bolts, and the second connecting bolts can be movably arranged along the connecting long grooves. 5 . The combined bicycle exercise stand according to claim 1 , wherein the magnetic resistance adjusting device comprises a magnetic damping adjuster, and one end of the magnetic damping adjuster is connected to the drum through a pulley. 6 .

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