CN105216937B - Tighten cloth saddle type three-wheel scooter - Google Patents

Abstract

A three-wheeled scooter with a tensioned cloth seat, including a frame I, a frame II, a tensioning structure, a steering shaft, a seat, two front wheels and a rear wheel, and the frame I consists of an inclined beam tube, a rotating drum, The middle horizontal tube and the rear horizontal tube are welded. The frame II is welded by the ∥-shaped beam tube and the horizontal tube. The middle part of the frame II is connected with the middle horizontal tube of the frame I. The front end of the seat is connected, and the rear end of the frame II is connected to the rear wheel. The brace structure is composed of a groove-shaped connector, a brace buckle and a brace rod. The buckle is connected to the rear part of the frame II, the tension rod can be sucked by the tension buckle, the rear end of the seat is connected with the rear cross tube, the steering shaft includes the front axle tube, the front wheel shaft and the extension spring, and the front axle tube is rotatably connected Rotating cylinder, front wheel shaft penetrates front axle tube, two front wheels are connected to the two ends of front wheel shaft, extension spring acts on steering shaft.

Description

Tensioned cloth seat type three-wheeled scooter

Technical field:

The invention relates to a scooter, in particular to a three-wheeled scooter with a taut cloth seat, which can be quickly folded, and the folded vehicle body is smaller, and is convenient to carry and place.

technical background:

Scooters are not uncommon in the market at present, but it is difficult to find a scooter with a tight cloth seat that can be folded in an X shape.

Invention content:

The purpose of the present invention is to provide a three-wheeled scooter with a tight cloth seat, which has a simple and ingenious structure, a unique folding method and a turning method, and is convenient to place and carry after folding. The object of the present invention is achieved like this: the three-wheeled scooter of stretch cloth vehicle seat type, comprises vehicle frame I, vehicle frame II, brace structure, vehicle seat, steering shaft, two front wheels and trailing wheel, is characterized in that: Frame Ⅰ includes inclined beam tubes, rotating drums, middle transverse tubes and rear transverse tubes. The front end of the inclined beam tubes is welded to the rotating drum. There is a mutual pair of perforations in the middle of the inclined beam tubes. The transverse pair of holes in the middle of the inclined beam tubes is welded The middle horizontal tube, the rear end of the inclined beam tube is welded to the rear horizontal tube, and the drum after welding with the inclined beam tube is inclined up and down, and the upper and lower ends of the drum are each inlaid with a bearing; the frame II includes a ∥-shaped beam The tube and the horizontal tube, the ∥-shaped beam tube is composed of two parallel round tubes, and the front, middle and rear ends of the two round tubes of the ∥-shaped beam tube have transverse mutual perforations, and the two front ends of the ∥-shaped beam tube are welded Horizontal tube, frame II∥-shaped beam tube two transverse cross holes in the middle part are connected with the middle cross tube of frame I by lock bolts, and frame II∥-shaped beam tube two front cross holes through the lock The bolts are connected to the front end of the seat, and the rear ends of the II∥-shaped beam tubes of the frame are crossed to each other through holes through the locking bolts to connect the rear wheels; The connecting piece is welded on the underside of the middle part of the inclined beam tube of the frame I, and is located in front of the middle horizontal tube, and the brace buckle is welded on the inner side of the middle part of the frame II∥ shaped beam tube, and is located in the transversely crossed holes of the two middle parts At the rear of the brace buckle, a strong magnet is connected to the brace buckle, and the groove-shaped connecting piece is connected to the brace rod by rotating the locking bolt. The effect of stretching the frame II and tightening the seat; the seat is composed of a nylon cloth seat piece and a transverse seat tube, the nylon cloth seat piece is sewn from triangular nylon cloth pieces, and the nylon cloth seat piece There is a horizontal sleeve sewn on the front end, there is a gap in the middle of the rear end of the nylon cloth seat, and there are horizontal sleeves corresponding to each other on both sides of the nylon cloth seat gap, so that the gap of the nylon cloth seat corresponds to the car seat. The rear cross tube of frame I, and then use the transverse seat tube to penetrate into the corresponding horizontal pipe sleeves on both sides of the gap at the rear end of the nylon cloth seat sheet of the seat, and the rear cross tube of frame I, and screw the frame I with bolts The positioning of the rear transverse tube and transverse seat tube; the steering shaft includes the front axle tube, short shaft, front lug, rear lug, front wheel shaft and extension spring, the short shaft is welded on the top of the front axle tube, and the rear side of the front axle tube is welded The front lugs and the rear lugs are welded to the underside of the front part of the slanted beam tube of frame I, the short shaft penetrates into the inner holes of the two bearings in the drum from bottom to top, and is screwed into the threaded hole at the end of the short shaft with bolts Positioning, the front wheel shaft penetrates in the front axle tube, and two ends win out, two front wheels are sleeved on the two ends of the front wheel shaft, the front end of the extension spring is connected with the front lug, and the rear end of the extension spring is connected with the rear ear.

The beneficial effects of the present invention are: the present invention has a simple and ingenious structure, convenient and effective folding and stretching, and uses frame I and frame II to tighten the nylon cloth seat and tighten it with a stretching structure, so that the seat is both Comfortable, simple and effective; since the steering shaft is connected to the rotary cylinder that is tilted up, down and back with the ground, when the horizontal tube is tilted to the left, the frame II and frame I are tilted to the left, which can produce The steering shaft is oblique with the left end backward and the right end forward, and the present invention turns to the left; when the handle bar is tilted to the right, the vehicle frame II and the vehicle frame I are tilted to the right, and the right end of the steering shaft can be produced. , the oblique direction that the left end is forward, the present invention turns to the right, has formed the mode of swing handle turning, makes the present invention have stronger entertainment.

Description of drawings:

Fig. 1 is the structure and outline schematic diagram of the present invention;

Fig. 2 is a folding effect diagram of the present invention.

In the figure: 1——vehicle frame Ⅰ, 2——vehicle frame Ⅱ, 3——supporting structure, 4——vehicle seat, 5——steering shaft, 6——front wheel, 7——rear wheel; Axle 5 also includes: 51 ---front axle tube, 52 ---front wheel shaft, 53 ---extension spring.

Detailed ways:

According to Fig. 1, the three-wheeled scooter with a stretched cloth seat includes a vehicle frame I1, a vehicle frame II2, a tensioning structure 3, a vehicle seat 4, a steering shaft 5, a front wheel 6 and a rear wheel 7;

The vehicle frame I1 includes a slanted beam tube, a drum, a middle horizontal tube, and a rear horizontal tube. The slanted beam tube is made of a round tube with an outer diameter of φ25mm. The upper and lower sides of the front end of the slanted beam tube have round arc opening, the arc opening on the oblique upper and lower sides of the inclined beam tube corresponds to the outer diameter of the drum, the left and right sides of the rear end of the inclined beam tube have arc openings, and the arc openings on the left and right sides of the inclined beam tube The mouth corresponds to the outer diameter of the rear transverse tube, and there is a mutual pair of perforations in the transverse direction of the middle part of the beam tube. The middle horizontal tube, the said middle horizontal tube is a cut piece of a seamless circular tube with an outer diameter of φ12mm and an inner diameter of φ8mm, the rear end of the inclined beam tube is welded to the rear horizontal tube, and the said rear horizontal tube is an outer diameter It is a cut piece of a φ16mm round pipe, and a round hole is opened on the side of the middle of the rear cross pipe. The rotating cylinder is composed of a section of round pipe with a step inlaid with bearings at the upper and lower ends of the car, and the inclined beam pipe The drum after welding is tilted up and down, and the tilt of the drum is 50° forward with the ground. A bearing is embedded in the upper and lower steps of the drum, which is embedded in the The bearings in the drum are 6000 model deep groove ball bearings.

The vehicle frame II 2 includes a ∥-shaped beam tube and a handlebar tube. The ∥-shaped beam tube is composed of two parallel round tubes, and the two round tubes of the ∥-shaped beam tube are round tubes with an outer diameter of φ19mm. The left and right sides of the front ends of the two round tubes of the ∥-shaped beam tube are provided with arc openings, and the arc openings on the left and right sides of the front ends of the two round tubes of the ∥-shaped beam tube correspond to the outer diameter of the horizontal tube. The front, middle and rear ends of the two circular tubes of the beam tube are respectively provided with crosswise mutual perforations. The two front ends of the ∥-shaped beam tube are welded to the horizontal tube, and the two ends of the horizontal tube are socketed. There is a handle cover, the two middle parts of the ∥-shaped beam tube of the frame II2 are connected to the middle horizontal tube of the frame I1 through the locking bolts through the horizontal mutual perforation holes, and the two fronts of the ∥-shaped beam tube of the frame II2 The crosswise mutual piercing holes in the horizontal direction are connected with the horizontal sleeve at the front end of the vehicle seat 5 through the locking bolts. The rear wheel 7.

The brace structure 3 consists of a groove-shaped connector, a brace buckle and a brace rod. The groove-shaped connector is a groove-shaped bending piece stamped from a flat metal sheet. The groove-shaped There is a pair of opposite holes on both sides of the trough shape of the connecting piece. The trough-shaped connecting piece is welded to the underside of the middle part of the slanting beam tube of the frame I1, and the trough-shaped connecting piece is located In the front, the brace buckle is composed of a right-angle bending part and a strong magnet. The right-angle bend part is punched into a right-angle bend by a metal sheet. There is a threaded hole on the right-angle bend part. The right angle of the brace buckle The bending part is welded on the inner side of the middle part of the frame II2∥-shaped beam tube, and the right-angled bending part of the bracing buckle is located behind the transverse mutual perforation holes in the middle part of the frame II2∥-shaped beam tube. The tightly buckled right-angle bending parts are connected with strong magnets through threaded holes and bolts. The tension rod is processed into a coil by one end of a flat metal sheet, and the coil of the tension rod is passed through the lock. The bolts are rotated and connected to the mutual piercing holes of the groove-shaped connecting parts. The end of the stretching rod without a coil can be attracted by the strong magnet of the buckle, and the stretching rod and the stretching The supporting function of the buckle can stretch the vehicle frame I1 and the vehicle frame II2 apart, thereby tightening the vehicle seat 5 .

The seat 4 is composed of a nylon cloth seat piece and a transverse seat tube, the nylon cloth seat piece is sewn from a triangular nylon cloth piece, and a front end of the nylon cloth seat piece is sewn with a Horizontal sleeves, there is a gap in the middle of the rear end of the nylon cloth seat, and there are horizontal sleeves corresponding to each other on both sides of the nylon cloth seat gap, and the horizontal seat tube is a round tube with an outer diameter of φ13mm A cut-off piece, a threaded hole is opened on the side of the middle of the transverse seat tube, and the gap of the nylon cloth seat piece of the vehicle seat corresponds to the rear transverse tube of the frame I1, and is inserted through the transverse seat tube The two sides of the gap at the rear end of the nylon cloth seat sheet of the vehicle seat correspond to each other in the horizontal tube sleeves, and in the tube holes of the rear horizontal tube of the vehicle frame I1, the threaded holes of the horizontal seat tube correspond to the rear The circular hole of the horizontal tube is screwed with bolts, so that the rear horizontal tube of the vehicle frame I and the horizontal seat tube are positioned.

The steering shaft 5 includes a front shaft tube 51, a short shaft, a front lug, a rear lug, a front wheel shaft 5 and an extension spring 53. The front shaft tube is a cut-off piece of a circular tube with an outer diameter of φ13 mm. The short shaft is welded on the top of the front axle tube, the short shaft is a screw barrel with a rod diameter of 10mm for locking bolts, the front lug is a punched piece with holes, and the front lug is welded on the rear side of the front axle tube The said rear lug is a punched piece with a hole, and the said rear lug is welded to the underside of the front part of the frame I1 slant beam tube, and the said short shaft penetrates into the said In the inner holes of the two bearings in the drum, and screwed in the threaded holes at the ends of the short shaft with bolts, the front end of the extension spring 53 is connected with the front ear piece, and the rear end of the extension spring 53 is connected with the The rear lugs are connected, the front axle is a metal round rod with threads at both ends and the outer diameter is φ8mm, the front axle penetrates into the front axle tube, and the two ends of the front axle are in the Win out of the aforementioned front axle tube.

The front wheel 6 is a PU wheel inlaid with a bearing in the middle of both sides, and the two front wheels 6 are sleeved on the two ends of the front wheel shaft through the bearings inlaid on both sides, and screwed to the two ends of the front wheel shaft with two locknuts. On the threads at both ends of the front wheel shaft, the bearings inlaid in the front wheel 6 are 608 type deep groove ball bearings, and the rear wheels 7 are PU wheels inlaid with a bearing in the middle of both sides. The bearings in wheel 7 are deep groove ball bearings of the 608 type.

Claims (7)

1. one kind tightens cloth saddle type three-wheel scooter, including vehicle frame I, vehicle frame II, stretching structure, vehicle seat, steering spindle, two front-wheels And trailing wheel, it is characterized in that：Vehicle frame I includes cant beam pipe, rotating cylinder, middle transverse tube and rear cross-tube, the front end welding rotating cylinder of cant beam pipe, cant beam Transverse direction in the middle part of pipe have it is one mutual to perforation, it is horizontal to transverse tube in being welded in perforation, the rear end of cant beam pipe in the middle part of cant beam pipe Weld rear cross-tube, with cant beam pipe weld after rotating cylinder, into it is upper it is front lower tilt afterwards, the upper and lower side of rotating cylinder respectively inlays a bearing；Car Frame II includes ∥ ellbeams pipe and transverse tube, ∥ ellbeams pipe is made up of two parallel pipes, front portion, the middle part of two pipes of ∥ ellbeam pipes Respectively have with rear end laterally mutual to perforation, the two front ends welding of ∥ ellbeam pipes that transverse tube, the middle part of II ∥ ellbeams pipe of vehicle frame two is horizontal To mutual to being punched through being rotatablely connected the middle transverse tube of lock bolt and vehicle frame I, the front cross phase of II ∥ ellbeams pipe of vehicle frame two Mutual is laterally mutual logical to perforating to the connection of the front end of lock bolt and vehicle seat, the rear end of II ∥ ellbeams pipe of vehicle frame two to being punched through Cross to locking bolt connection trailing wheel；Stretching structure connects part, stretching button and stretching bar by flute profile and formed, and flute profile connects part and is welded in vehicle frame I The downside at the middle part of cant beam pipe, and positioned at the front of middle transverse tube, stretching button are welded in inner side in the middle part of the ∥ ellbeam pipes of vehicle frame II, simultaneously Positioned at the horizontal mutual rear to perforation in two middle parts, stretching, which is buckled, is connected with strong magnet, and flute profile connects part and passed through to lock bolt turn Dynamic connection stretching bar, stretching bar can be held by the strong magnet of stretching button, reach and strut the vehicle frame I and the vehicle frame II and stretch tight The effect of tight vehicle seat；Vehicle seat is made up of nylon cloth vehicle seat piece and horizontal seat pipe, and nylon cloth vehicle seat piece is the nylon cloth by triangle Piece sewing forms, and the front end of nylon cloth vehicle seat piece is sewed with a horizontal pipe sleeve, and the centre of the rear end of nylon cloth vehicle seat piece has open-minded Mouthful, there is mutually corresponding horizontal pipe sleeve on the both sides of nylon cloth vehicle seat piece gap, and the gap of vehicle seat nylon cloth vehicle seat piece is corresponded to The rear cross-tube of vehicle frame I, then penetrate vehicle seat nylon cloth vehicle seat piece rear end gap both sides with horizontal seat pipe and mutually correspond to horizontal pipe sleeve In, and in the rear cross-tube of vehicle frame I, positioned with the rear cross-tube of bolt twist-on vehicle frame I and horizontal seat pipe；Steering spindle include front axle tube, Short axle, preceding auricle, rear auricle, front axle and extension spring, the top welding short axle of front axle tube, auricle before the rear side welding of front axle tube, Auricle is welded in the anterior downside of the cant beam pipe of vehicle frame I afterwards, and short axle penetrates from bottom to top in the endoporus of two bearings, to be used in combination in rotating cylinder Bolt is fastened in the screwed hole of short axle end points and positioned, and front axle is penetrated in front axle tube and two wins, and two front-wheels are socketed on Two of front axle, the front end of extension spring are connected with preceding auricle, and the rear end of extension spring is connected with rear auricle；Described stretching bar, be by One of the sheet metal of flat bar is processed into a roll of circle, and the volume circle of the stretching bar is connected by being rotated to lock bolt with the flute profile Part is mutual to be rotatablely connected to perforation；The side of the centre of the horizontal seat pipe is provided with a screwed hole, by the horizontal seat pipe Screwed hole corresponds to the circular hole of the rear cross-tube, with bolt twist-on.

2. according to claim 1 tighten cloth saddle type three-wheel scooter, it is characterized in that：Above and below the cant beam pipe front end There is arc opening side, and the arc opening of the oblique upper and lower sides of cant beam pipe is corresponding with the external diameter of the rotating cylinder, the cant beam pipe rear end Left and right sides has arc opening, and the arc opening of the cant beam pipe left and right sides is corresponding with the external diameter of rear cross-tube, and described middle transverse tube is outer The blank for the seamless pipe that footpath is φ 12mm, internal diameter is φ 8mm.

3. according to claim 1 tighten cloth saddle type three-wheel scooter, it is characterized in that：Described rotating cylinder is by there is one section Each car of upper and lower side of pipe has the step of an embedded bearing, the rotating cylinder after being welded with the cant beam pipe, into upper front lower rear ground Tilt, it is front lower on the rotating cylinder after inclination, form forward 50 ° with ground, inlay an axle in the up/down steps of the rotating cylinder Hold, the bearing being embedded in the rotating cylinder is the deep groove ball bearing of 6000 models.

4. according to claim 1 tighten cloth saddle type three-wheel scooter, it is characterized in that：Before the pipe of ∥ ellbeams pipe two The left and right sides at end is provided with arc opening, the arc opening of the pipe front end left and right sides of ∥ ellbeams pipe two and the external diameter phase transverse tube It is corresponding, it is described that two of transverse tube is socketed with grip.

5. according to claim 1 tighten cloth saddle type three-wheel scooter, it is characterized in that：It is by flat that described flute profile, which connects part, The rammed flute profile bending part of sheet metal of bar shaped, described flute profile connect part flute profile both sides have it is one mutual to perforation.

6. according to claim 1 tighten cloth saddle type three-wheel scooter, it is characterized in that：Described stretching button is by right angle Bending part and strong magnet are formed, and square folds are to strike out right-angle bending by a sheet metal, there is a screw thread on square folds Hole, the square folds of the stretching button are welded in the inner side in the middle part of the ∥ ellbeam pipes of vehicle frame II, the right angle of the stretching button Bending part passes through screwed hole and bolt mating connection strong magnet.

7. according to claim 1 tighten cloth saddle type three-wheel scooter, it is characterized in that：Described short axle is that bar footpath is 10mm is to the barrel of lock bolt, and described preceding auricle is punching with holes, and described rear auricle is punching with holes, before described Wheel shaft is the metal round rod that two is screwed, external diameter is φ 8mm.