CN201201212Y

CN201201212Y - Puller

Info

Publication number: CN201201212Y
Application number: CNU200820013315XU
Authority: CN
Inventors: 王猛
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-02
Filing date: 2008-06-02
Publication date: 2009-03-04
Anticipated expiration: 2018-06-02

Abstract

The utility model belongs to a tool, and in particular relates to a puller for repairing a bicycle, which consists of a supporting frame upper cover (3), a stay bar (4), a tightening knockout bar(10) and a supporting frame pedestal (12), wherein a central hole of the supporting frame upper cover (3) is movably provided with a hexagonal square-head screw (1) which is connected with a pulling screw (5) through threads; two pulling plates (6) are welded on both sides of the pulling screw (5); lower ends of the pulling plates (6) are provided with holes; a pin shaft (8) is inserted into the holes; the pin shaft (8) between the two pulling plates (6) is movably inserted with two pulling rods (9); an isolated plain cushion (7) is inserted between the pulling rods (9); the right end of the pin shaft (8) is provided with a split pin (14); and the outsides of lower ends of the pulling rods are made into clamping grooves (11), or end heads of the pulling rods are made into straight hook (9-1). When the tool is used for disassembling an axle-bowl of a bicycle shaft, the operation is quick and labor-saving; a bicycle hub can not be damaged; the puller is safe and can not hurt people; and the repairing speed can be greatly improved.

Description

Drawbench

Technical field

The utility model belongs to instrument, particularly a kind of drawbench of repairing bicycle.

Background technology

Bicycle is one of main vehicles of China broad masses of the people, though improving constantly of living standards of the people, motorcycle, automobile have been come into huge numbers of families, but bicycle still is student, workman, peasant and office staff's the main vehicles, have convenience, free of contamination advantage.Because the quantity of bicycle is very many, after long-time the use, fault will be a lot, especially the axle bowl of antero posterior axis, over wear and tear, when having crackle etc. not use, need lift down replacing to the axle bowl, the method for taking at present, impact with hammer and blunderbuss exactly, consequently difficulty is big, and the time is long, damages bicycle hub easily, effort, dangerous.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned technical deficiency, provides a kind of special dismounting axle for bicycle bowl, the drawbench of convenient power-saving.

The technical scheme that the utility model technical solution problem adopts is: a kind of by the bracing frame loam cake, support bar, the drawbench that tensioner hammer drill and bracing frame base are formed, be characterized in adorning one six square toes screw rod versatilely at bracing frame loam cake centre bore, drawing screw is threaded on it, at two drawing plates of the both sides of drawing screw welding, drawing plate lower end is provided with the hole, insert a bearing pin in the hole, on the bearing pin between two drawing plates, be installed with two drawing bars versatilely, be installed with the isolation plain cushion between the drawing bar, the right-hand member of bearing pin is equipped with split pin, draw-in groove is made in the outside, drawing bar lower end, or straight hook is made in the termination.

The utility model beneficial effect is: with this instrument dismounting axle for bicycle axle bowl, quick, laborsaving; Can not damage bicycle hub; Safety can not hurted sb.'s feelings; Can improve the speed of repairing greatly.

Description of drawings

Specify with embodiment below in conjunction with accompanying drawing.

Fig. 1 is the drawbench front view.

Fig. 2 is the right side view of Fig. 1.

Fig. 3 is the vertical view of Fig. 1.

Fig. 4 is the part drawing of the drawing bar of Fig. 1.

Among the figure, 1-six square toes screw rods; The 2-plain cushion; 3-bracing frame loam cake; The 4-support bar; 5-drawing screw; 6-drawing plate; 7-isolates plain cushion; The 8-bearing pin; 9-drawing bar; The straight hook of 9-1-; 10-tensioner spike; The 11-draw-in groove; 12-bracing frame base; 13-bracing frame bottom outlet; The 14-split pin;

The specific embodiment

With reference to accompanying drawing, a kind of drawbench, by bracing frame loam cake 3, support bar 4, tensioner hammer drill 10 and bracing frame base 12 are formed, be characterized in adorning one six square toes screw rod 1 versatilely at bracing frame loam cake 3 centre bores, drawing screw 5 is threaded on it, at two drawing plates 6 of the both sides of drawing screw 5 welding, drawing plate 6 lower ends are provided with the hole, insert a bearing pin 8 in the hole, be installed with two drawing bars 8 versatilely on the bearing pin between two drawing plates 68, be installed with between the drawing bar 8 and isolate plain cushion 7, the right-hand member of bearing pin 8 is equipped with split pin 14, draw-in groove 11 is made in the outside, drawing bar 9 lower ends, or straight hook 9-1 is made in the termination.Adorn a plain cushion 2 between the square toes of six square toes screw rods 1 and the bracing frame loam cake 3, four support bars 4 and bracing frame loam cakes 3 and supporting between the stand 12 weld together, bracing frame base 12 centers are provided with bracing frame bottom outlet 13, during use with the draw-in groove 11 of drawing bar 9 lower ends or straight hook 9-1 is inserted in the axle bowl of bicycle, then with in the hole between two drawing bars 9 of tip insertion of tensioner hammer drill 10, make itself and bowl stretching, twisting six square toes screw rods 1 counterclockwise with monkey wrench can remove the car bowl easily.

Claims

1, a kind of drawbench, by bracing frame loam cake (3), support bar (4), tensioner hammer drill (10) and bracing frame base (12) are formed, it is characterized in that adorning one six square toes screw rod (1) versatilely at bracing frame loam cake (3) centre bore, drawing screw (5) is threaded on it, at the both sides of drawing screw (5) welding two drawing plates (6), drawing plate (6) lower end is provided with the hole, insert a bearing pin (8) in the hole, on the bearing pin (8) between two drawing plates (6), be installed with two drawing bars (8) versatilely, be installed with between the drawing bar (8) and isolate plain cushion (7), the right-hand member of bearing pin (8) is equipped with split pin (14), draw-in groove (11) is made in the outside, drawing bar (9) lower end, or straight hook (9-1) is made in the termination.