CN110354473B

CN110354473B - Bicycle trainer

Info

Publication number: CN110354473B
Application number: CN201910679060.3A
Authority: CN
Inventors: 于京都
Original assignee: Beijing Dongyu Keli Instrument Manufacturing Co ltd
Current assignee: Beijing Dongyu Keli Instrument Manufacturing Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2021-05-11
Anticipated expiration: 2039-07-25
Also published as: CN110354473A

Abstract

The invention relates to a bicycle trainer, belonging to the technical field of fitness equipment, and the technical scheme is characterized by comprising an upper frame body and a lower frame body, wherein the upper frame body is fixed on the lower frame body through a connecting component by bolts, the bottom end of the upper frame body is provided with a damper, the damper comprises a resistance source and a roller, the roller is coupled and connected to one side of the resistance source through a rolling shaft and is rotatably connected to the connecting component through a support, and the support is provided with an adjusting component for adjusting the tightness between the roller and a tire. The invention has the advantages that the tightness between the roller and the tire can be conveniently adjusted, and the roller is effectively propped against the surface of the tire.

Description

Bicycle trainer

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a bicycle trainer.

Background

The bicycle trainer is provided with the liquid resistance damper, and the resistance of the bicycle when the bicycle runs on a slope can be simulated by using the liquid resistance damper, so that the athlete can be helped to carry out simulated training.

The prior Chinese patent with the reference application publication number of CN106139553A discloses a bicycle trainer, which comprises a frame body, a roller, a first resistance source and a second resistance source. The frame body is suitable for supporting a bicycle. The roller is pivoted to the frame body and is suitable for contacting with the wheel of the bicycle. The first resistance source is coupled to the roller and provides resistance to the wheel through the roller. A second source of resistance is coupled to the roller and provides resistance to the wheel through the roller.

The technical scheme has the following defects that the roller is fixedly connected with the frame body through the support, and the roller on the support is loosened from the tire due to long-time riding, so that the roller on the support cannot be effectively abutted against the surface of the tire.

Disclosure of Invention

The invention aims to provide a bicycle trainer which has the advantages that the tightness between a roller and a tire can be conveniently adjusted, and the roller can be effectively abutted against the surface of the tire.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a bicycle training ware, includes support body and lower support body, go up the support body and pass through coupling assembling bolt fastening under on the support body, go up the bottom of support body and install the attenuator, the attenuator includes resistance source and gyro wheel, the gyro wheel passes through the roller bearing coupling to be connected in one side of resistance source to rotate through the support and connect on the coupling assembling, be provided with adjusting part on the support for adjusting part adjusts the elasticity between gyro wheel and the tire.

Through adopting above-mentioned technical scheme, go up the support body and be used for propping up the rear wheel of bicycle, the gyro wheel passes through the support and rotates to be connected on last support body, go up to be provided with the adjusting part who is used for adjusting between gyro wheel and the tire tightness on the support body, it is more loose between gyro wheel and this platform when the in-process of riding, when frictional force is not enough, the sportsman can rotate to one side that is close to the tire surface through adjusting part control support, thereby further support tightly at the platform surface with the gyro wheel on the support, provide suitable resistance for sportsman's riding.

The invention is further configured to: go up the support body including violently managing, coupling assembling includes first connecting plate and second connecting plate, and the centre gripping that first connecting plate and second connecting plate are relative is in the upper and lower both sides of violently managing to it is fixed with the lower support body through the bolt, the both sides that rear wheel one end was kept away from to first connecting plate upwards extend perpendicularly and are formed with first spacing ear, the bottom of support is rotated and is supported between two first spacing ears.

By adopting the technical scheme, the upper frame body and the lower frame body are fixed by the bolts, the support of the damper is rotatably supported on the first connecting plate, the disassembly and the assembly are convenient, the later maintenance is convenient,

the invention is further configured to: the two sides of the first connecting plate close to one end of the rear wheel extend upwards and vertically to form second limiting lugs, the height of each second limiting lug is smaller than that of each first limiting lug, an installation rod is fixedly arranged between the two second limiting lugs, a threaded hole is formed in the installation rod, the adjusting assembly comprises a knob and an adjusting rod, one end of the adjusting rod is fixed on the knob, and the adjusting rod penetrates through a support and is in threaded connection with the inside of the installation rod.

Through adopting above-mentioned technical scheme, can control the screw in degree of depth of adjusting the pole in the installation pole through the knob, when screwing the knob, the support is to the one side motion that is close to the rear wheel to make the gyro wheel on the support tightly contradict on the tire surface, simple structure, it is convenient to adjust.

The invention is further configured to: the mounting rod is locked between the two second limiting lugs through nuts at two ends.

Through adopting above-mentioned technical scheme, will install the pole and insert between two spacing ears of second, rotate the installation pole and make the regulation pole aim at and insert the threaded hole on the installation pole, two nuts can carry out the side spacing to the installation pole.

The invention is further configured to: the rear wheels and the rollers of the bicycle are positioned on the central symmetry axis of the frame.

Through adopting above-mentioned technical scheme, guarantee the equilibrium of sportsman in the process of riding.

The invention is further configured to: the damper is a liquid resistance damper or a magnetic resistance damper.

By adopting the technical scheme, the liquid resistance damper and the magnetic resistance damper can provide resistance for athletes.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the support is rotatably supported on the upper frame body, the adjusting assembly is arranged on the upper frame body, when the idler wheel on the support is loosened from the tire, the support is driven to rotate through the adjusting assembly, and the idler wheel on the support is further abutted against the tire in the rotating process;

2. the screw-in depth of the adjusting rod in the mounting rod can be controlled by rotating the knob, so that the tightness between the roller and the tire can be adjusted, and the device is simple in structure and convenient to operate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the damper-free structure of the present invention.

Fig. 3 is a schematic view of the damper of the present invention.

Fig. 4 is a schematic view of a connection structure of an adjusting rod and a mounting rod in the invention.

In the figure, 1, an upper frame body; 12. A transverse tube; 11. A vertical tube; 13. pipe sleeve; 14. a screw; 2. a lower frame body; 3. a connecting assembly; 31. a first connecting plate; 32. a second connecting plate; 33. a first limit lug; 34. a second limit lug; 63. mounting a rod; 4. a rear wheel; 5. a damper; 51. a resistance source; 52. a roller; 53. a support; 6. an adjustment assembly; 61. a knob; 62. and adjusting the rod.

Detailed Description

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

Referring to fig. 1, the bicycle trainer disclosed by the invention mainly comprises an upper frame body 1, a lower frame body 2, a damper 5 and an adjusting assembly 6.

Referring to fig. 1, the lower frame body 2 is placed on the level ground for support upper frame body 1, upper frame body 1 is U type tubulose, upper frame body 1 is including violently managing 12, the both ends of violently managing 12 are upwards buckled and are formed with standpipe 11, the horizontal pole passes through coupling assembling 3 bolt fastening on lower frame body 2, make to be certain inclination between two standpipe 11 and the level ground, the rear wheel 4 of bicycle rotates and supports between two standpipe 11, the sportsman is at the in-process of riding, rear wheel 4 can idle rotation on the support.

Referring to fig. 2, in particular, pipe sleeves 13 are welded and fixed at the ends of the two vertical pipes 11, and the central axes of the two pipe sleeves 13 are perpendicular to the vertical plane of the rear wheel 4. The pipe sleeve 13 is provided with internal threads and is in threaded connection with a screw 14. The side of the two screw rods 14 close to each other is in threaded connection with a shaft sleeve, the two shaft sleeves are close to each other by rotating the threaded rods and are sleeved at the two ends of the wheel shaft of the rear wheel 4, and then the two threaded rods are rotated left and right to adjust the rear wheel 4 to the middle of the two vertical tubes 11.

Referring to fig. 2 and 3, the connecting assembly 3 includes a first connecting plate 31 and a second connecting plate 32, the first connecting plate 31 and the second connecting plate 32 are oppositely clamped at the upper and lower sides of the cross tube 12, and the first connecting plate 31 is located at the upper side. The two sides of the first connecting plate 31 far away from one end of the rear wheel 4 extend upwards vertically to form first limit lugs 33, and the damper 5 is rotatably supported between the two first limit lugs 33 through a support 53. Damper 5 includes a resistance source 51 and a roller 52, roller 52 being coupled to one side of resistance source 51 by a roller, resistance source 51 providing resistance to rear wheel 4 via roller 52 to increase the friction between the tire and roller 52 during riding by the athlete.

Referring to fig. 4, two sides of one end of the first connecting plate 31 close to the rear wheel 4 extend upwards vertically to form second limiting lugs 34, an installation rod 63 penetrates between the two second limiting lugs 34, external threads are formed at two ends of the installation rod 63, and when the installation rod 63 penetrates between the two limiting lugs, the installation rod 63 is screwed on the installation rod 63 from the outer side of the second limiting lug 34 through a nut, so that the installation rod 63 is locked between the two limiting lugs.

Referring to fig. 4, the adjusting assembly 6 includes a knob 61, an adjusting rod 62 is fixed to one end of the knob 61, an external thread is formed on the adjusting rod 62, a threaded hole is formed in the middle of the mounting rod 63 in the transverse direction, after the damper 5 is mounted, the adjusting rod 62 of the adjusting assembly 6 penetrates through the damper 5 and the threaded hole from the front side of the damper 5, the threaded connection is formed in the mounting rod 63, then the knob 61 is screwed, the knob 61 drives the support 53 to rotate through the adjusting rod 62, meanwhile, the roller 52 on the support 53 is abutted to the tire, therefore, after the bicycle is ridden for a long time, the roller 52 is loosened from the tire, and when the roller 52 cannot provide resistance for the tire well, an athlete can abut the roller 52 to the tire again through the screwing the knob.

Referring to fig. 1, in consideration of the balance problem of the athlete during the riding process, it is preferable to adjust the screw 14 left and right such that the rear wheel 4 of the bicycle is located on the central symmetry axis of the upper frame body 1, and the roller 52 of the damper 5 is located in the vertical plane of the rear wheel 4, so as to ensure that the roller 52 always abuts against the tire surface of the rear wheel 4 during the riding process.

The damper 5 may be a fluid damper or a magnetic damper, and the type of the damper 5 is not limited, and the damper 5 can provide resistance to the rear wheel 4 via the roller 52.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A bicycle training ware which characterized in that: the device comprises an upper frame body (1) and a lower frame body (2), wherein the upper frame body (1) is fixed on the lower frame body (2) through a connecting assembly (3) by bolts, a damper (5) is installed at the bottom end of the upper frame body (1), the damper (5) comprises a resistance source (51) and a roller (52), the roller (52) is connected to one side of the resistance source (51) through a roller shaft in a coupling mode and is rotatably connected to the connecting assembly (3) through a support (53), and an adjusting assembly (6) is arranged on the support (53) and used for adjusting the tightness between the roller (52) and a tire through the adjusting assembly (6);

the upper frame body (1) comprises a transverse pipe (12), the connecting assembly (3) comprises a first connecting plate (31) and a second connecting plate (32), the first connecting plate (31) and the second connecting plate (32) are oppositely clamped on the upper side and the lower side of the transverse pipe (12) and are fixed with the lower frame body (2) through bolts, two sides, far away from one end of a rear wheel (4), of the first connecting plate (31) extend upwards and vertically to form first limiting lugs (33), and the bottom end of the support (53) is rotatably supported between the two first limiting lugs (33);

two sides of one end, close to the rear wheel (4), of the first connecting plate (31) extend upwards vertically to form second limiting lugs (34), the height of each second limiting lug (34) is smaller than that of each first limiting lug (33), an installation rod (63) is fixedly arranged between the two second limiting lugs (34), a threaded hole is formed in each installation rod (63), each adjusting assembly (6) comprises a knob (61) and an adjusting rod (62) with one end fixed on the knob (61), and each adjusting rod (62) penetrates through a support (53) and is connected into the corresponding installation rod (63) in a threaded mode;

the two ends of the transverse pipe (12) are bent upwards to form vertical pipes (11), pipe sleeves (13) are fixed at the ends of the two vertical pipes (11), the central axes of the two pipe sleeves (13) are perpendicular to the vertical plane where the rear wheels (4) are located, internal threads are formed in the pipe sleeves (13), threaded connections are formed in the pipe sleeves (13), screw rods (14) are connected with the screw rods, and a shaft sleeve is connected with one side of each screw rod (14) close to each other through threads.

2. The bicycle trainer as set forth in claim 1, wherein: the mounting rod (63) is locked between the two second limiting lugs (34) through nuts at two ends.

3. The bicycle trainer as set forth in claim 1, wherein: the rear wheel (4) and the roller (52) of the bicycle are both positioned on the central symmetry axis of the upper frame body (1).

4. The bicycle trainer as set forth in claim 1, wherein: the damper (5) is a liquid resistance damper or a magnetic resistance damper.