CN203469359U - Exercise bike frame - Google Patents

Abstract

The utility model discloses an exercise bike frame. The exercise bike frame comprises a bottom tube, a bike head connecting tube, a front fork tube, an inclined supporting tube, a saddle connecting tube, a front supporting tube and a rear supporting tube; a front connecting base is fixedly welded to the front end of the bottom tube, and a rear connecting base is fixedly welded to the rear end of the bottom tube; the front supporting tube is connected with the front connecting base through two screws, and the rear supporting tube is connected with the rear connecting base through two screws; the front supporting tube and the rear supporting tube are connected through screws and convenient to dismount and mount. The middle of the front fork tube is fixedly welded after penetrating through the bike head connecting tube, meanwhile, the front end of the inclined supporting tube is fixedly welded after penetrating through the wall surface, facing the rear side of the bike frame, of the bike head connecting tube, and therefore the front fork tube, the inclined supporting tube and the bike head connecting tube are connected very firmly, and welding points can reach high mechanical strength; in addition, the front fork tube and the inclined supporting tube are matched with the bottom tube to form a stable triangular structure, and therefore the overall structure of the bike frame is stable and firm.

Description

A kind of body building self running vehicle carriage

Technical field

The utility model belongs to body building car structure technical field.

Background technology

Exercycle is also referred to as cycle ergometer, and common exercycle can be adjusted the intensity while moving, and plays the effect of body-building, so people call exercycle it.The aerobic fitness equipment that belongs to typical simulation outdoor exercises is also called as cardiorespiratory training equipment.Be mainly by the health long period, suitably the motion of intensity promotes cardiovascular motion, accelerates metabolism, strengthens heart and lung functions, thereby improves the physique of human body.Existing Exercycle body frame structure for automotive is comparatively complicated, and parts are various, assembling trouble, and production cost is high.

Summary of the invention

The purpose of this utility model is: the deficiency existing for prior art, provides a kind of structure comparatively to simplify, firmly, the body building self running vehicle carriage of new in structure.

For realizing the object of the utility model, be achieved by the following technical solutions: a kind of body building self running vehicle carriage, includes bottom tube, headstock tube connector, front fork tube, oblique arm, seat tube connector, front arm and rear arm; Described bottom tube middle part is bent upwards, the forward and backward straight tube that is in knee, and the leading section of bottom tube is fixedly welded with a front Connection Block, Connection Block after the rearward end of bottom tube is fixedly welded with; Described front arm is connected with front Connection Block by two pieces of screws, and described rear arm is connected with rear Connection Block by two pieces of screws; Described front fork tube integral body is downward opening U-shaped, and the both ends of front fork tube are fixedly welded on front Connection Block top, and headstock tube connector bottom is run through at the middle part of front fork tube, and welds with headstock tube connector is fixing; Described oblique arm integral body is curved, and tiltedly the front end of arm runs through headstock tube connector towards the wall at vehicle frame rear, and welds with headstock tube connector is fixing, tiltedly the rearward end of arm while and the rearward end of bottom tube, the fixing welding of rear Connection Block; Described seat tube connector runs through oblique arm and bottom tube wall upward from top to bottom, and fixes welding with oblique arm, bottom tube.

The two ends of described rear arm are plugged with a pipe end-cap of plastic material, and the bottom of rear arm has been threaded connection two legs; The front side of described front arm is welded with the roller mount of two U-shapeds, between two arm faces of roller mount, has been bolted roller, and front arm other parts structure is identical with rear arm.

Symmetrically on described front fork tube two support arms be fixedly welded with two flywheel mount pads, flywheel mount pad is provided with flywheel shaft installing port, and flywheel shaft installing port is opening up, and extends towards vehicle frame the place ahead; On described flywheel mount pad or front fork tube, the position in corresponding flywheel shaft installing port the place ahead is fixedly welded with flywheel shaft location-plate.Described flywheel shaft installing port is opening up, is convenient to flywheel shaft to snap in, and can produce accidental in installation process.Described flywheel shaft location-plate coordinates flywheel shaft connector in order to adjust and to limit the position of flywheel shaft.

Described headstock tube connector is rectangular tube, and headstock tube connector front side wall and right side wall crossover position have been threaded connection headstock height adjustment knob; Described seat tube connector rear wall has been threaded connection height of seat adjusting knob; Between seat tube connector and oblique arm, be fixedly welded with a reinforcing pipe, reinforcing pipe is positioned at the top position of seat tube connector and oblique arm junction; The position that is positioned at oblique arm below on seat tube connector is provided with driving wheel seat.

Compared with prior art, the beneficial effects of the utility model are: described front arm, rear arm are connected by screw, easy accessibility.Described front fork tube middle part is welded and fixed after running through headstock tube connector bottom, simultaneously oblique arm front end runs through headstock tube connector and is welded and fixed after the wall at vehicle frame rear, front fork tube, oblique arm are connected very firm with headstock tube connector like this, weld can reach higher mechanical strength, front fork tube, oblique arm coordinate the stable triangular structure of the common formation of bottom tube in addition, make vehicle frame overall structure stable firm; Described seat tube connector runs through oblique arm and bottom tube wall upward from top to bottom, and fixes welding with oblique arm, bottom tube, has guaranteed so on the one hand the firm connection of seat tube connector, also oblique arm and bottom tube is played to reinforcement effect on the one hand.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of Exercycle.

Fig. 2 is the structural representation of vehicle frame part.

10, bottom tube; 11, front Connection Block; 12, front fork tube; 121, flywheel shaft location-plate; 122, flywheel mount pad; 13, headstock tube connector; 131, headstock height adjustment knob; 132, the first plug connector; 14, oblique arm; 15, seat tube connector; 151, height of seat adjusting knob; 152, reinforcing pipe; 153, drive wheel seat; 154, the second plug connector; 16, rear Connection Block; 17, rear arm, 171, leg, 172, a pipe end-cap; 18, front arm, 181, roller mount; 182, roller.

The specific embodiment

With reference to the accompanying drawings the specific embodiment of the present utility model is made a detailed explanation below.

Shown in Fig. 1 and Fig. 2, a kind of body building self running vehicle carriage described in the present embodiment, includes bottom tube 10, headstock tube connector 13, front fork tube 12, tiltedly arm 14, seat tube connector 15, front arm 18 and rear arm 17; Described bottom tube middle part is bent upwards, the forward and backward straight tube that is in knee, and the leading section of bottom tube is fixedly welded with a front Connection Block 11, Connection Block 16 after the rearward end of bottom tube is fixedly welded with; Described front arm is connected with front Connection Block by two pieces of screws, and described rear arm is connected with rear Connection Block by two pieces of screws; Described front fork tube integral body is downward opening U-shaped, and the both ends of front fork tube are fixedly welded on front Connection Block top, and headstock tube connector bottom is run through at the middle part of front fork tube, and welds with headstock tube connector is fixing; Described oblique arm integral body is curved, and tiltedly the front end of arm runs through headstock tube connector towards the wall at vehicle frame rear, and welds with headstock tube connector is fixing, tiltedly the rearward end of arm while and the rearward end of bottom tube, the fixing welding of rear Connection Block; Described seat tube connector runs through oblique arm and bottom tube wall upward from top to bottom, and fixes welding with oblique arm, bottom tube.Described front arm, rear arm are connected by screw, easy accessibility.Described front fork tube middle part is welded and fixed after running through headstock tube connector bottom, simultaneously oblique arm front end runs through headstock tube connector and is welded and fixed after the wall at vehicle frame rear, front fork tube, oblique arm are connected very firm with headstock tube connector like this, weld can reach higher mechanical strength, front fork tube, oblique arm coordinate the stable triangular structure of the common formation of bottom tube in addition, make vehicle frame overall structure stable firm; Described seat tube connector runs through oblique arm and bottom tube wall upward from top to bottom, and fixes welding with oblique arm, bottom tube, has guaranteed so on the one hand the firm connection of seat tube connector, also oblique arm and bottom tube is played to reinforcement effect on the one hand.

The two ends of described rear arm are plugged with a pipe end-cap 172 of plastic material, and the bottom of rear arm has been threaded connection two legs 171; The front side of described front arm is welded with the roller mount 181 of two U-shapeds, between two arm faces of roller mount, has been bolted roller 182, and front arm other parts structure is identical with rear arm.

Symmetrically on 12 liang of support arms of described front fork tube be fixedly welded with two flywheel mount pads 122, flywheel mount pad is provided with flywheel shaft installing port, and flywheel shaft installing port is opening up, and extends towards vehicle frame the place ahead; On described flywheel mount pad 122 or front fork tube 12, the position in corresponding flywheel shaft installing port the place ahead is fixedly welded with flywheel shaft location-plate 121.Described flywheel shaft installing port is opening up, is convenient to flywheel shaft to snap in, and can produce accidental in installation process.Described flywheel shaft location-plate coordinates flywheel shaft connector in order to adjust and to limit the position of flywheel shaft.

Described headstock tube connector is rectangular tube, and headstock tube connector 13 front side walls and right side wall crossover position have been threaded connection headstock height adjustment knob 131; Described seat tube connector 15 rear walls have been threaded connection height of seat adjusting knob 151; Between seat tube connector and oblique arm, be fixedly welded with a reinforcing pipe 152, reinforcing pipe is positioned at the top position of seat tube connector and oblique arm junction; The position that is positioned at oblique arm below on seat tube connector is provided with and drives wheel seat 153.

Described driving wheel seat is in order to driven wheel to be installed, and between driven wheel and flywheel, by driving-chain, is connected, and driven wheel both sides are connected with two pedals by treadle.In motion process, by stepping on pedal-driven flywheel, rotate the object that reaches exercise.

Claims (1)

1. a body building self running vehicle carriage, is characterized in that: include bottom tube, headstock tube connector, front fork tube, oblique arm, seat tube connector, front arm and rear arm; Described bottom tube middle part is bent upwards, the forward and backward straight tube that is in knee, and the leading section of bottom tube is fixedly welded with a front Connection Block, Connection Block after the rearward end of bottom tube is fixedly welded with; Described front arm is connected with front Connection Block by two pieces of screws, and described rear arm is connected with rear Connection Block by two pieces of screws; Described front fork tube integral body is downward opening U-shaped, and the both ends of front fork tube are fixedly welded on front Connection Block top, and headstock tube connector bottom is run through at the middle part of front fork tube, and welds with headstock tube connector is fixing; Described oblique arm integral body is curved, and tiltedly the front end of arm runs through headstock tube connector towards the wall at vehicle frame rear, and welds with headstock tube connector is fixing, tiltedly the rearward end of arm while and the rearward end of bottom tube, the fixing welding of rear Connection Block; Described seat tube connector runs through oblique arm and bottom tube wall upward from top to bottom, and fixes welding with oblique arm, bottom tube;

The two ends of described rear arm are plugged with a pipe end-cap of plastic material, and the bottom of rear arm has been threaded connection two legs; The front side of described front arm is welded with the roller mount of two U-shapeds, between two arm faces of roller mount, has been bolted roller, and front arm other parts structure is identical with rear arm;

Symmetrically on described front fork tube two support arms be fixedly welded with two flywheel mount pads, flywheel mount pad is provided with flywheel shaft installing port, and flywheel shaft installing port is opening up, and extends towards vehicle frame the place ahead; On described flywheel mount pad or front fork tube, the position in corresponding flywheel shaft installing port the place ahead is fixedly welded with flywheel shaft location-plate;

Described headstock tube connector is rectangular tube, and headstock tube connector front side wall and right side wall crossover position have been threaded connection headstock height adjustment knob; Described seat tube connector rear wall has been threaded connection height of seat adjusting knob; Between seat tube connector and oblique arm, be fixedly welded with a reinforcing pipe, reinforcing pipe is positioned at the top position of seat tube connector and oblique arm junction; The position that is positioned at oblique arm below on seat tube connector is provided with driving wheel seat.

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