CN2270004Y

CN2270004Y - Split-combined triycle frame

Info

Publication number: CN2270004Y
Application number: CN 96200800
Authority: CN
Inventors: 宋世宏; 宋世兰
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-01-12
Filing date: 1996-01-12
Publication date: 1997-12-10
Anticipated expiration: 2006-01-12

Abstract

The utility model relates to a split-combined tricycle frame. A main beam and an oblique beam are fixedly connected to a sloped tube which is arranged on the upper part of a five-way; the upper end of a back pull fork is connected with the upper end of the main beam, and a connection block is welded on the lower end; the connection block on the upper end of an oblique pull fork is fixedly connected by screw bolts and nut screws; a bend rod is welded on the upper end and the lower end of the oblique pull fork; connection tubes on one end of each of the two bend rods are plugged in the tube in the five-way and are fixedly connected by the screw bolt and the nut screw; an upper bend rod and a lower rod are connected by a vertical rod; a left and a right bend rod are connected by a straight rod; a front fork tube and the upper end of the oblique beam are connected by a cross beam. The tricycle frame can be loaded in a split way in the transportation, and can be fixedly connected by the screw bolt and the nut screw when assembled, and the welding quantity can be decreased. The split-combined tricycle frame has the advantages of convenient transportation and high product precision.

Description

Separate assembling tricycle frame

The utility model relates to a kind of separate assembling tricycle frame, belongs to the technical field of three-wheel vehicle.

The three-wheel vehicle of on market, selling at present, its vehicle frame vehicle body all is welded into an integral body, through assembling, load onto wheel, handlebar, brake system, part such as transmission device and pedal is transported to the point of sale then and sells, because the vehicle frame overall volume is huge, very inconvenience in the transportation, general one 130 type freight truck can only be transported at most and adorn 10～15 defeated three-wheel vehicles, and efficient is low, demands urgently improving, and unitized frame welding job amount is big, difficult quality guarantee.

The purpose of this utility model is that a kind of separate assembling tricycle frame will be provided, it can overcome above-mentioned shortcoming, adopts a five-way, and two inclined tubes are arranged at its top, can be affixed with the girder cant beam, the connection pipe of the knee of plug-in mounting shelf in the pipe of five-way right part is fixed with bolt, nut again, and the post-tensioning fork also is welded with contiguous block, affixed with bolt, the shelf part can be thrown off at ordinary times, is convenient to the vanning transportation, reduces the welding job amount.Also extremely simple and easy during assembling, and the five-way steady quality, whole vehicle frame is satisfied the criteria.

The purpose of this utility model is achieved in that

In the hole of the inclined tube of cant beam one end insertion five-way, give solid welding, an end of girder also inserts in the inclined tube hole of five-way, and solid welding; Post-tensioning is stuck the projection of the threeway side of end and girder upper end, use dowel fixes, and rectangle contiguous block of lower end welding, shelf has one tiltedly to draw fork, its upper end also is welded with the contiguous block of contiguous block and post-tensioning fork lower end with bolt, nut connects, knee and knee join, weld with tiltedly drawing the fork lower end again, tiltedly draw and stick end and weld a knee in addition, on, be connected with montant between the following knee, the connection pipe of knee right-hand member just is inserted in the hole of pipe, its contiguous block and the projection of managing the lower end, affixed with bolt and nut, front fork tube and girder upper end and crossbeam are affixed, and the crossbeam other end and threeway are joined.The knee of shelf half one and tiltedly arc bar welding, the straight part and the straight-bar of knee weld, and the shelf shape is symmetry mutually, is welded with a contiguous block in the contiguous block bottom of knee.Respectively weld an inclined tube about the pipe top of five-way, right part down hand welding one pipe, there is local opening its underpart, and right-hand member is connected with projection, and porose, and left part also has a projection, and porose, and projection and projection are orthogonal.

Fig. 1 separate assembling tricycle frame scheme drawing.

Fig. 2 five-way scheme drawing.

Fig. 3 five-way lateral plan.

Fig. 4 shelf scheme drawing.

Fig. 5 contiguous block scheme drawing.

Fig. 6 shelf with tiltedly draw the fork connection diagram.

Now in conjunction with the accompanying drawings the structure of separate assembling tricycle frame is described in detail:

By Fig. 1, tricycle frame is mainly by cant beam (1), girder (2), five-way (3), post-tensioning fork (4), shelf compositions such as (5).

Cant beam (1) joins with five-way (3) top inclined tube (17), girder (2) also is connected with another inclined tube (18) of five-way (3), post-tensioning fork (4) upper end joins with the projection (33) of threeway (6) side of girder (2) upper end, with pin or bolt, nut is affixed, post-tensioning fork (4) lower end welding rectangle contiguous block (7), shelf (5) has one tiltedly to draw fork (10), its upper end also is welded with contiguous block (7) and uses bolt with the contiguous block (7) of post-tensioning fork (4), nut is fixed, the knee (14) and the knee (24) of shelf (4) join, weld mutually with tiltedly drawing fork (10) lower end again, tiltedly draw the position of the promptly close contiguous block (7) in fork (10) upper end, other welds a knee (14), on, connect with montant (15) between the following knee (14), (Fig. 6), knee (24) left end has a connection pipe (28), the connection pipe (28) of two knees (24) is inserted into the hole (32) interior (Fig. 3) of the pipe (19) of five-way (4) side by side, the contiguous block (31) of connection pipe (28) bottom (Fig. 4) is used bolt with the projection (12) of pipe (19), nut is fixed, front fork tube (9) and girder (1) upper end and crossbeam (8) one ends are affixed, the other end of crossbeam (8) be connected with threeway (6) again (welding).

By Fig. 2, respectively weld an inclined tube (17) (18) about pipe (16) top of five-way (3), and angle between midperpendicalar, θ ₁Be 40.7 °, θ ₂Be 29.5 °,, weld a pipe (19) in the horizontal direction at pipe (16) right part, in pipe (19) bottom local opening (23) is arranged, right part is connected with two projections (11), and porose (21), left part also has one to connect projection (12), and also porose (20), projection (12) is orthogonal with projection (11).The hole of inclined tube (17) (18) is (22), (30).

By Fig. 3, can put into the terminal connection pipe (28) of 2 knees (24) in the hole (32) of pipe (19) (Fig. 4), inserting bolt in the hole (21) of the projection (11) of opening (23) bottom, fix with nut, the connecting panel (31) of connection pipe (28) bottom solid welding also overlaps with projection (12) in addition, use bolt, nut is fixed.

By Fig. 4, half part of shelf (5), its knee (24) and knee (14) fuse and weld with an oblique arc bar (27), the straight portion of knee (14) is welded two straight-bars (25) (26) again, the other end of knee (24) has a connection pipe (28), shelf (5) is symmetrical mutually shape, half shape is similar fully in addition, (dotting), be welded with a rectangle contiguous block (31) in connection pipe (28) bottom, and porose, when (28) 2 of the connection pipes of shelf (5) were inserted into the hole (32) of pipe (16) side by side, contiguous block (31) just in time overlapped with projection (12), its hole is also aimed at the hole (21) of projection (12), available bolt, nut is affixed, uses bolt from the hole (20) of projection (11) again simultaneously, nut is affixed, makes opening (23) part banding suitably.

By Fig. 5, contiguous block (7) is a rectangle, and 2 holes (29) are arranged.

By Fig. 6, tiltedly draw fork (10) lower end to be connected with knee (24) (14), tiltedly drawing fork (10) upper end also to weld a knee (14) in addition.Tiltedly fork (10) has 2, and its upper end all is welded with contiguous block (7), and is mutually splayed layout (not shown), and just weld with knee (24) (14) lower end.

Compared with prior art, the tricycle frame of separate assembling has following advantages:

1. the separable assembled structure makes assembly work simple and easy, increases work efficiency.

2. affixed with bolt, nut and connecting plate between the member, reduce the Welder The work amount is convenient to dismounting, the sectional transportation.

3. the employing five-way improves precision.

4. this vehicle frame can combine with another patent hinge type bearing seat, dresses up three-wheel vehicle.

Claims

1. separate assembling tricycle frame is characterized in that cant beam (1) one end inserts in the hole (22) of inclined tube (17) of five-way (5), gives solid welding, and an end of girder (2) also inserts in inclined tube (18) hole (30) of five-way (5), and solid welding; The projection (33) of threeway (6) side of post-tensioning fork (4) upper end and girder (2) upper end, use dowel fixes, and a lower end welding rectangle contiguous block (7), shelf (5) has one tiltedly to draw fork (10), its upper end also is welded with contiguous block (7) and pitches the contiguous block (7) of lower end with bolt with post-tensioning, nut connects, knee (14) and knee (24) join, weld with tiltedly drawing fork (10) lower end again, tiltedly draw fork (10) upper end to weld a knee (14) in addition, on, be connected with montant (15) between the following knee (14), the connection pipe (28) of knee (24) right-hand member just is inserted in the hole (32) of pipe (19), its contiguous block (31) and the projection (12) of managing (19) lower end, affixed with bolt and nut, front fork tube (9) is affixed with girder (1) upper end and crossbeam (8), and crossbeam (8) other end and threeway (6) are joined.

2. vehicle frame according to claim 1, it is characterized in that the knee (24) of shelf (5) half ones and tiltedly arc bar (27) welding, the straight part of knee (14) is welded with straight-bar (25) (26), shelf (5) shape is symmetry mutually, is welded with a contiguous block (31) in connection pipe (28) bottom of knee (24).

3. vehicle frame according to claim 1, it is characterized in that respectively welding an inclined tube (17) (18) about pipe (16) top of five-way (3), right part down hand welding one pipe (19), there is local opening (23) its underpart, right-hand member is connected with projection (11), and porose (21), and left part also has a projection (12), and porose (20), projection (11) is orthogonal with projection (12).