CN2302693Y - Drawing rod of trunk - Google Patents

Abstract

The utility model relates to a drawing rod of a trunk, which comprises a long drawing rod and a short drawing rod. The bottom of the long drawing rod is provided with a locating block, the lower part of the locating block is provided with a base in the connecting mode, the locating block and the base are matched with a pin to combine into integration, while the locating block is provided with a bonding pad, an inclined convex block, and flats and slopes which are provided with grooves, the base is provided with a bonding wall, an oblique angle, and a threaded hole, the threaded hole of the base is assembled with a regulating bolt, a spring, and a locating steel ball, the steel ball butts into grooves on the flats or slopes of the locating block, and the long drawing rod is arranged in vertical state or in an angle state.

Description

Drawing rod of trunk

The utility model relates to a kind of Drawing rod of trunk.

But the pull bar of leather trunk constitutes bending angle use (shown in Figure 1A) by long and short pull bar 1,2 in the prior art, the crook of its combination but (shown in Figure 1B), be to be set as: long draw 1 is established axis hole 5, short rod 2 is established spherical axostylus axostyle 6, spherical axostylus axostyle 6 is assembled in the axis hole 5 and is combined into one, just like the structure of a universal spindle nose.When it uses, be to utilize its spherical axostylus axostyle 6, axis hole 5 and bendable is an angle (as Fig. 1 C); So, though its bendable angle has following shortcoming:

(1) combination of universal drive shaft hair style, the almost restriction of non-angular may easily be slided when using the application of force, causes the consistency of disturbing the application of force.

When (2) especially needing casing pusher (non-draw forward), shown in Figure 1A, the non-point of application at the pull bar place of center of gravity will cause casing to misroute, or pull bar malfunction angle, cause application of force inconvenience.So prior art almost can't (inconvenience) be used in the pusher situation, and the application of force of drawing before casing must being turned to.

The purpose of this utility model is to overcome the shortcoming of prior art and a kind of Drawing rod of trunk is provided, designs simplification, low cost of manufacture, easy to use, particularly be convenient to pusher, more meet ergonomics the leather trunk application of force is carried out push-and-pull, it is moving can not to cause casing to misroute.

The technical solution of the utility model is:

A kind of Drawing rod of trunk, comprise symmetrical long and short pull bar, the holder of being located at casing, this long draw is arranged in the short rod, the short rod upper and lower end is respectively equipped with upper and lower locating hole, the long draw bottom is provided with perforation and cooperates in conjunction with pin, and group is provided with a positioning block, and the locating piece below cooperates a pivot pin again, and is connected with a base; It is characterized in that:

This locating piece, the side of being, upper end shape is provided with perforation, cooperates in conjunction with pin and the long draw combination, and the below is provided with the bonding pad of sheet, and is central then be provided with a plain block with oblique projection; Its bonding pad is provided with down perforation, and the front end base angle then is set as the inclined-plane, and the bottom surface is set as the plane, and this inclined-plane, plane all are provided with arc fluting;

This base, the first half are provided with two combining walls of boring a hole on the tool, make the locating piece bonding pad just can insert, and cooperate a pivot pin and an axle pivot is one, and center also is provided with screw in it, and screw is mid-to be provided with positioning ball, spring and to adjust bolt; This base and locating piece link and upper and lower displacement, but its peak can only make combining wall expose, and all the other are then hindered limit by short rod and can not deviate from;

Its locating piece is set and is vertical or rake angle, by the plane or the inclined-plane of its bonding pad, tiltedly supporting of projection pasted, and makes long draw be vertical or rake angle, and its spring force can make positioning ball head into the bonding pad groove.

Effect of the present utility model is:

One, be integral body stretch, when contracting: (please cooperate and consult Fig. 4)

When desire is used, long draw 10 is up stretched, the positioning convex column 61 of its base 40 is forced into shrinks back, up start of long draw 10, locating hole 21 on short rod 20, and positioning convex column 61 is subjected to the 60 elastic force effects of V-arrangement spring, and can eject once more, produce the fastening effect, this moment, long draw 10 promptly was the state of stretching out (as Fig. 4 B); Otherwise, desire collection long draw 10, will be positioning convex column 21 is forced into shrinks back toward pressing down, down start of long draw 10, locating hole 22 under short rod 20, then eject once more and fastening is concealed in (as Fig. 4 A) in the short rod 20 even long draw 10 is.

Two, can be vertically or an angle carry and push away, draw use: (please cooperate and consult Fig. 5)

When long draw 10 is pulled out short rod 20, be (as Fig. 5 A) in vertical state, and the function of " mentioning casing 3 " can be provided.This moment, positioning ball 50 was subjected to the effect of spring 51, and just headed in the groove 36 of locating piece 30 bonding pads 31 baseplanes 33 (as Fig. 5 C), and the strong fix of adding long draw 10 effect is in vertical state arranged, and prevented that long draw 10 mistakes are oblique.

Push away, draw (as Fig. 5 B) when using when desiring to be, long draw 10 is pulled toward a side, make long draw 10 be a rake angle, this moment, the inclined-plane 34 of bonding pad 31 was to being affixed on 40 of bases, and its positioning ball 50 just heads in the groove 35 on inclined-plane 34, strengthen keeping long draw 10 to be a rake angle, prevent that its mistake is up loosening.Again, the oblique projection of locating piece 30 38 just supports and is affixed on the combining wall 41, forms a fulcrum, when push away, when drawing, tiltedly projection 38 also can provide an auxiliary fulcrum; So this creation can be " oblique angle " shape to be provided and pushes away, draws casing, and the application of force effect of utmost point symbol ergonomics.

Again, this positioning ball 50 tops are due to the top power of groove 35,36, are can be by adjusting the length that bolt 52 is screwed into, and setting spring 51 elastic force sizes, and then the power size is decided on the top that can set positioning ball 50.

By above-mentioned explanation as can be known, structural designs such as the locating piece of this creation, base and bonding pad thereof, oblique projection, inclined-plane, plane, groove, positioning ball, except pull bar is the rake angle use, more make its plumbness, oblique angle state must add strong fix, do not misroute moving anxiety and do not have.

Figure 1A is the leather trunk Tiebar structure schematic diagram in the prior art, and Figure 1B is a length pull bar junction partial enlarged drawing among Figure 1A; Fig. 1 C is the perspective view of Figure 1B.

Fig. 2 is this creation stereo appearance figure;

Fig. 3 is this creation perspective exploded view;

Fig. 4 A, 4B are this creation overall shrinkage, the schematic diagram of pulling out;

Fig. 5 A, 5B, 5C analyse and observe, uprightly analyse and observe view for outward appearance action, the oblique angle of this creation;

Details are as follows in preferred embodiment shown in the utility model was incited somebody to action in conjunction with the accompanying drawings:

See also Fig. 2,3, one casing 3, be provided with the pull bar group that symmetrical long and short pull bar 10,20, holder 4 are constituted, its long draw 10 is to be arranged in the short rod 20, short rod 20 upper and lower ends are respectively equipped with upper and lower locating hole 21,22, and long draw 10 bottoms are provided with perforation 12 and cooperate in conjunction with pin 11, and group is provided with a positioning block 30, locating piece 30 belows cooperate a pivot pin 43 again, and are connected with a base 40.

This locating piece 30, the side of being, upper end shape is provided with perforation 37, cooperates in conjunction with pin 11 and long draw 10 combinations, and the below is provided with the combined hole 31 of sheet, and central authorities then are provided with a plain block with oblique projection 38; Its bonding pad 31 is provided with down perforation 32, and the front end base angle then is set as inclined-plane 34, and the bottom surface is provided with plane 33, and inclined-plane 34, plane 33 all are provided with arc fluting 35,36.

This base 40, the first half is provided with two combining walls 41 of perforation 42 on the tool, make locating piece 30 bonding pads 31 just can insert, and cooperate a pivot pin 43 and the axle pivot be one, Lower Half then is hollow form, be provided with the perforation 47, establish a V-arrangement spring 60 and just can organize, and the positioning convex column 61 of V-arrangement spring 60 can be stretched according to perforation 47, and its interior center also is provided with screw 44, and the hole is mid-to be provided with positioning ball 50, spring 51 and to adjust bolt 52; Base 40 can be subjected to the binding of locating piece 30 and upper and lower displacement, but its peak can only make combining wall 41 expose, and all the other are then hindered limit by short rod 20 and can not deviate from.

Claims (1)

1. Drawing rod of trunk, comprise symmetrical long and short pull bar, the holder of being located at casing, this long draw is arranged in the short rod, the short rod upper and lower end is respectively equipped with upper and lower locating hole, the long draw bottom is provided with perforation and cooperates in conjunction with pin, and group is provided with a positioning block, and the locating piece below cooperates a pivot pin again, and is connected with a base; It is characterized in that:

This locating piece, the side of being, upper end shape is provided with perforation, cooperates in conjunction with pin and the long draw combination, and the below is provided with the bonding pad of sheet, and is central then be provided with a plain block with oblique projection; Its bonding pad is provided with down perforation, and the front end base angle then is set as the inclined-plane, and the bottom surface is set as the plane, and this inclined-plane, plane all are provided with arc fluting;

This base, the first half are provided with two combining walls of boring a hole on the tool, make the locating piece bonding pad just can insert, and cooperate a pivot pin and an axle pivot is one, and center also is provided with screw in it, and screw is mid-to be provided with positioning ball, spring and to adjust bolt; This base and locating piece link and upper and lower displacement, but its peak can only make combining wall expose, and all the other are then hindered limit by short rod and can not deviate from;

Its locating piece is set and is vertical or rake angle, by the plane or the inclined-plane of its bonding pad, tiltedly supporting of projection pasted, and makes long draw be vertical or rake angle, and its spring force can make positioning ball head into the bonding pad groove.

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