A kind of bicycle tripod assembling mould
Technical field:
The present invention relates to bicycle mounting equipment technical field, what be specifically related to is a kind of bicycle tripod assembling mould.
Background technology:
Existing bicycle tripod is made up of left support bar, right support bar, seat pipe and head tube, first equidirectional one end of left support bar and right support bar is welded on the Five-way tube on present pipe and seat pipe, then the other end of left support bar and right support bar is weldingly fixed in head tube, because bicycle tripod needs into triangular shape, namely left support bar and right support bar must be at a certain angle, and, must ensure that the longitudinal center line of seat pipe and head tube parallels after bicycle tripod welding.
But, substantially be all pass through human weld now, by left support bar and right support bar one end first being welded on the Five-way tube on present pipe and the present pipe of welding, then by hand or other instruments left support bar is mutually close with the other end of right support bar, then be fixed on relevant position in head tube by spot welding simultaneously, when confirming that the longitudinal center line of seat pipe and head tube is substantially parallel, be welded and fixed again, its operating difficulties, meanwhile, need spot welding again when spot welding location is inaccurate, labour intensity is large, efficiency is low, inconvenience very.
Summary of the invention:
Object of the present invention is exactly the deficiency for prior art, and provide a kind of bicycle tripod to assemble mould, it can by the other end of the left support bar on present for welding pipe and Five-way tube and right support bar and head tube position all fixing, and left support bar and right support bar are fixed on the accurate location of head tube by spot welding, ensure seat pipe and head tube longitudinal center line substantially parallel, its operation is fast, accurate positioning, and efficiency is high.
Technology solution of the present invention is as follows:
A kind of bicycle tripod assembling mould, comprise workbench, described workbench is fixed with limit track and clamp base, two limited blocks are bolted to connection in the groove of limit track; Driving handle is hinged in clamp base, and depression bar is hinged on driving handle, and depression bar is pressed against the rear end of movable block, and the fixture of the front end of movable block is placed with head tube, and the bottom sleeve of movable block is in the sliding tray of clamp base; The left support bar of bicycle tripod and right support bar cramp are held between two limited blocks, and the left support bar of bicycle tripod and equidirectional one end of right support bar are pressed against in head tube simultaneously.
Described movable block is fixed with adjustment block, be screwed onto in the adjusting nut that adjustment block is fixed with in the through hole that screw mandrel sleeve forms in adjustment block, be pressed against on adjusting nut in the pilot hole that depression bar sleeve forms in clamp base, on the projection that the top of screw mandrel forms facing to the front end of movable block.
Described projection front center forms fixture, fixture comprises two pieces of fixed blocks, inside two pieces of fixed blocks relatively, all form slot inside it, sleeve is in the slot of the inner side of two pieces of fixed blocks respectively for the head of head tube and afterbody, and the top of head tube and tail end are clamped between two pieces of fixed blocks; One of them fixed block forms block, and the gulde edge that the radial direction that the top of head tube forms extends is between the bottom surface and block of slot.
The medial surface of described two limited blocks acutangulates.
Beneficial effect of the present invention is:
Left support bar on the Five-way tube be welded on present pipe and seat pipe and right support bar can be placed on the table by it, and be clamped between two limited blocks, make left support bar mutually close with one end of right support bar, simultaneously, head tube is placed in the fixture on movable block, driving handle is pulled by hand, depression bar is made to promote movable block, head tube on movable block is contacted with one end of left support bar and right support bar, make left support bar and right support bar and head tube position all fixing, and left support bar and right support bar are fixed on the accurate location of head tube by spot welding, ensure seat pipe and head tube longitudinal center line substantially parallel, its operation is fast, accurate positioning, efficiency is high.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation that the present invention is placed with seat pipe and bicycle tripod;
Fig. 2 is partial structurtes schematic diagram of the present invention;
Fig. 3 is the partial sectional view of Fig. 2;
Fig. 4 is the structural representation of the fixture on the projection of movable block;
Fig. 5 is the structural representation of cover for seat.
In figure: 10, head tube; 11, gulde edge; 20, left support bar; 30, right support bar; 40, seat pipe; 1, workbench; 2, limit track; 21, groove; 3, clamp base; 31, pilot hole; 32, sliding tray; 4, limited block; 5, driving handle; 6, depression bar; 7, movable block; 71, adjustment block; 72, adjusting nut; 73, projection; 8, fixture; 81, fixed block; 82, slot; 83, block; 9, screw mandrel.
Detailed description of the invention:
The following stated is only preferred embodiment of the present invention, does not therefore limit protection domain of the present utility model.
Embodiment: see shown in Fig. 1 to 5, a kind of bicycle tripod assembling mould, comprises workbench 1, described workbench 1 is fixed with limit track 2 and clamp base 3, two limited blocks 4 are bolted to connection in the groove 21 of limit track 2; Driving handle 5 is hinged in clamp base 3, and depression bar 6 is hinged on driving handle 5, and depression bar 6 is pressed against the rear end of movable block 7, and the fixture 8 of the front end of movable block 7 is placed with head tube 10, and the bottom sleeve of movable block 7 is in the sliding tray 32 of clamp base 3; The left support bar 20 of bicycle tripod and right support bar 30 are clamped between two limited blocks 4, and the left support bar 20 of bicycle tripod and equidirectional one end of right support bar 30 are pressed against in head tube 10 simultaneously.
Described movable block 7 is fixed with adjustment block 71, be screwed onto in the adjusting nut 72 that adjustment block 71 is fixed with in the through hole that screw mandrel 9 sleeve forms in adjustment block 71, be pressed against on adjusting nut 72 in the pilot hole 31 that depression bar 6 sleeve forms in clamp base 3, on the projection 73 that the top of screw mandrel 9 forms facing to the front end of movable block 7.
Described projection 73 front center forms fixture 8, fixture 8 comprises two pieces of fixed blocks 81, inside two pieces of fixed blocks 81 relatively, all form slot 82 inside it, sleeve is in the slot 82 of the inner side of two pieces of fixed blocks 81 respectively for the head of head tube 10 and afterbody, and the top of head tube 10 and tail end are clamped between two pieces of fixed blocks 81; One of them fixed block 81 forms block 83, and the gulde edge 11 that the radial direction that the top of head tube 10 forms extends is between the bottom surface of slot 82 and block 83.
The medial surface of described two limited blocks 4 acutangulates.
Operation principle: the bicycle tripod on the Five-way tube be welded with on the present pipe 40 of equidirectional one end welding and seat pipe 40 of left support bar 20 and right support bar 30 is placed on workbench 1, left support bar 20 and right support bar 30 are placed between two limited blocks 4 on limit track 2, left support bar 20 and right support bar 30 is made to be clamped between two limited blocks 4, left support bar 20 and right support bar 30 are pressed against on the medial surface of two limited blocks 4, because the medial surface of two limited blocks 4 acutangulates, such left support bar 20 is mutually close with one end of right support bar 30, head tube 10 is placed in the fixture 8 on movable block 7.
Left support bar 20 and right support bar 30 are pressed on workbench 1 by the right hand, left hand is upwards cocked by driving handle 5, make depression bar 6 promote movable block 7 left support bar 20 and right support bar 30 direction close, head tube 10 is made to be pressed against one end of left support bar 20 and right support bar 30, then by electric welding spot welding fixed position once, namely assemble successfully.
Due to the head of head tube 10 and afterbody, sleeve is in the slot 82 of the inner side of two pieces of fixed blocks 81 respectively, and the top of head tube 10 and tail end are clamped between two pieces of fixed blocks 81, one of them fixed block 81 forms block 83, the gulde edge 11 that the radial direction that the top of head tube 10 forms extends is between the bottom surface of slot 82 and block 83, when projection 73 on movable block 8 is run, head tube 10 can not be made to drop, simultaneously, due to the slot 82 in two pieces of fixed blocks 81 in the same horizontal line, ensure that the longitudinal center line of head tube 10 parallels with horizontal line, and left support bar 20 and right support bar 30 are pressed against on workbench 1 by the right hand, make the longitudinal center line of a pipe 40 and horizontal line also substantially parallel, ensure that head tube 10 parallels with seat pipe 40 longitudinal center line, this ensure that one end point of left support bar 20 and right support bar 30 is welded in the accurate location of head tube 10, improve the quality of bicycle tripod assembling.