CN101269487A

CN101269487A - Spanner base structure

Info

Publication number: CN101269487A
Application number: CNA2007100383672A
Authority: CN
Inventors: 邱俞儒
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-23
Filing date: 2007-03-23
Publication date: 2008-09-24

Abstract

The invention discloses a novel wrench base structure, which comprises a locating platform and an external extension arm. A locating hole and a limiting hole are correspondingly made on the locating platform and the external extension arm; one end of the external extension arm is connected with the locating platform through an elastic segment; the external extension arm is matched with the elastic segment, so as to keep the inclined external extension being positioned at the preset angle; thus, the novel wrench base structure utilizes the strength of the elastic reset inclined external extension preset angle of the external extension arm, so as to make the limiting hole of the external extension arm overlap with the locating hole on the locating platform and position the wrench passing through the locating hole and the limiting hole at the same time, thereby reducing the cost for positioning the design structure of the product.

Description

Spanner base structure

Technical field

The present invention relates to a kind of hand tools, relate in particular to a kind of spanner base structure.

Background technology

At present, because the continuous research and development of hand tools design improve, the Wrench set product that can convenient carry has become the instrument pattern of most convenient, and Wrench set product miscellaneous has entered within human lives and the processing factory widely, but the Wrench group still exists some techno peasant's point poles to treat that the personage adds research and development again and improves at present.

As shown in Figure 1, generally use the Wrench group all to comprise the L font Wrench bar 10 and a positioning seat 11 of many different sizes on the market, each root L font Wrench bar 10 all is located among the through hole 111 of this positioning seat 11 according to size, and the cross sectional shape that the shape of this through hole 111 mutually should L font Wrench bar 10; The advantage that the simple Wrench group of this kind has quick assembling really, carries easily; But after practicality, have following point to produce also:

Because through hole 111 places of this positioning seat 11 do not have the structure of Design Orientation L font Wrench bar 10, so general prior art L font Wrench bar 10 and corresponding through hole 111 can rub and lost material among covering the assembling and dismantling process, lose the effect of friction location after causing through hole 111 to enlarge, and L font Wrench bar 10 all can be self-align through hole 111 accidents of seat 11 deviate from or drop, not only lose the advantage that advantage that the Wrench group assembles fast, carries is easily assembled fast, carried easily, more produce the puzzlement that easy accident drops.

Summary of the invention

The technical problem to be solved in the present invention provides effectively orientation tool, avoids being worn influence and a kind of cheaply spanner base structure.

For solving the problems of the technologies described above, the invention provides a kind of spanner base structure, include a positioning table and outer stretching one's arms, make a plurality of locating holes that run through on the described positioning table, the shape of described locating hole is corresponding to spanner shaft cross section; Described outer stretching one's arms is connected in described positioning table one end by stretch section, and stretch one's arms outward and connect into the L font and have a knuckle with described positioning table, offer a plurality of limiting holes on described outer the stretching one's arms, and describedly outer stretch one's arms that described limiting holes and locating hole interlace each other when keeping free outer opening, stretch one's arms outside described press down cause the stretch section distortion, when knuckle diminishes, the then corresponding each other perforation of described limiting holes and locating hole.

The present invention can make the locating hole on relative this positioning table of outer limiting holes of stretching one's arms interlock, and allow the spanner work that is placed through simultaneously in locating hole and the limiting holes locate owing to the strength of the outer predetermined angle of elastic reset inclination of stretching one's arms outside the utilization.Reduce the simultaneously effective orientation tool of cost, avoided being worn influence.

Description of drawings

Fig. 1 is a prior art spanner seat product schematic diagram;

Fig. 2 is a stereogram of the present invention;

Fig. 3 is a upward view of the present invention;

Fig. 4 is a side sectional view of the present invention;

Fig. 5 analyses and observe work sheet when being dowelled spanner of the present invention;

Fig. 6 is that work sheet is analysed and observe in spanner disengaging operation of the present invention; And

Fig. 7 is limiting holes of the present invention and another enforcement of locating hole shape figure.

Wherein the Wrench bar is 10; Positioning seat is 11; Through hole is 111; Positioning table is 20; Locating hole is 21; The plane is 22; Protruding to piece is 23; Stretch one's arms outward is 30; Knuckle is θ; Limiting holes is 31; Stretch section is 32; Spanner is 40.

The specific embodiment

The present invention is further detailed explanation below in conjunction with accompanying drawing.

The present invention sees also Fig. 2, and Fig. 3 reaches Fig. 4, and spanner base structure of the present invention includes outside a positioning table 20 and one stretches one's arms 30, and some L type spanners 40 uses (seeing also Fig. 5) of arranging in pairs or groups, and its architectural feature is:

This positioning table 20 is a bulk assembly, on a plane 22 of this positioning table 20, make several locating holes 21 that runs through arranged in a straight line, an end of 22 is manufactured with to protrude and supports piece 23 in the plane for the shaft cross section of the corresponding L type of the shape of this locating hole 21 spanner 40, this positioning table 20;

Should outer stretch one's arms and 30 be connected in plane 22 other ends of this positioning table 20 by stretch section 32 one, and stretch one's arms outward and 30 connect into the L font and have a knuckle θ with this positioning table 20,30 outboard end of should outer stretching one's arms mutually should positioning table 20 protrusion support piece 23, and stretch one's arms outside and offer several limiting holes arranged in a straight line 31 on 30, these limiting holes 31 shapes, size is greater than this locating

hole

21, and 30 these limiting holes 31 when keeping free outer opening of should outer stretching one's arms interlace each other with locating hole 21, outside this, stretch one's arms and 30 press down and cause stretch section 32 distortion, when knuckle θ diminishes, this limiting

holes

31 and 21 corresponding each other perforations of locating hole;

Secondly, the operating principle of again this case being invented cooperates graphic detailed description as back:

See also Fig. 5, Fig. 6 again, the present invention utilizes this outer stretching one's arms 30 to be connected in plane 22 other ends of this positioning table 20 by stretch section 32 one, and stretch one's arms outward and 30 connect into the L font and have a knuckle θ with this positioning table 20, these limiting holes 31 shapes, size are greater than this locating

hole

21, and 30 these limiting holes 31 when keeping free outer opening of should outer stretching one's arms interlace each other with locating hole 21, when stretch one's arms outside this 30 press down cause stretch section 32 distortion, when knuckle 0 diminishes, this limiting

holes

31 and 21 corresponding each other perforations of locating hole.

So when the present invention locatees L type spanner 40:

Should outer stretch one's arms 30 presses down and causes stretch section 32 distortion, knuckle θ to diminish just to make limiting

holes

31 and 21 corresponding each other perforations of locating hole, and this moment, the user can pass L type spanner 40 respectively limiting holes 31 and locating hole 21 like a cork;

And after L type spanner 40 passes limiting holes 31 and locating hole 21 respectively, the user stretch one's arms outward 30 outer open, stretch section 32 elastic resets, cause this limiting holes 31 to produce the strength that interlaces each other with locating hole 21, the shaft of this strength meeting clipping location L type spanner 40 that interlaces is guaranteed the stability of locating;

Importantly, if the present invention uses long-term use to produce concentrated wear, the present invention can reinforcement locate strength by the elastic reset of stretch section 32, avoids L type spanner 40 to come off from spanner base structure easily.

In addition,, support 30 excessively press down of stretching one's arms outside only can preventing, avoid stretch section 32 excessive deformations and rupture so the preset height of supporting piece 23 is protruded in utilization because the protrusion that 30 outboard end of should outer stretching one's arms mutually should positioning table 20 supports piece 23.

See also Fig. 7 again, locating hole 21 on outer limiting holes 31 relative these positioning tables 20 of 30 of stretching one's arms of the present invention interlocks, and the shape of aforementioned limitations hole 31 and locating hole 21 can corresponding Different L type spanner the wrenching bar changes of section, the polygonal hole among Fig. 7 for example, the technology of the present invention also comprises general common passes such as not shown star-shaped aperture, square hole certainly.

The quantity of aforementioned limitations hole and locating hole is adjusted variation according to user's location quantity demand in addition, and for example: arranging 2 to 10 simultaneously, then is to arrange 7 from large to small among this case legend, and the reasonable adjustment of aforementioned quantity all is feasible enforcement.

Other correlation technique of the present invention change as: this outer end of stretching one's arms is connected with positioning table with stretch section, and stretch one's arms outward, stretch section and positioning table also can be member independently separately, and pass through suites of measure in conjunction with the location; One or combination all only are the variations of migrating of general technology, belong to one of protection domain of the present invention together.

In sum, innovation structure design of the present invention includes a positioning table and outer stretching one's arms, make positioning hole corresponding and limiting holes respectively on outside this positioning table reaches, stretching one's arms, the end of should outer stretching one's arms is connected with positioning table with stretch section, and should outer stretch one's arms and cooperate stretch section and be positioned at predetermined angle outside keeping tilting; The mat elastic reset outer strength of opening predetermined angle that tilts of stretching one's arms outward, can make the locating hole on relative this positioning table of outer limiting holes of stretching one's arms staggered, and allowing the spanner work that is placed through simultaneously in locating hole and the limiting holes locate, this simple design also can allow the cost of product orientation project organization reduce in addition.

Claims

1. a spanner base structure includes a positioning table and outer stretching one's arms, and it is characterized in that:

Make a plurality of locating holes that run through on the described positioning table, the shape of described locating hole is corresponding to spanner shaft cross section;

Described outer stretching one's arms is connected in described positioning table one end by stretch section, and stretch one's arms outward and connect into the L font and have a knuckle with described positioning table, offer a plurality of limiting holes on described outer the stretching one's arms, and describedly outer stretch one's arms that described limiting holes and locating hole interlace each other when keeping free outer opening, stretch one's arms outside described press down cause the stretch section distortion, when knuckle diminishes, the then corresponding each other perforation of described limiting holes and locating hole.

2. spanner base structure as claimed in claim 1 is characterized in that: describedly outer stretch one's arms, stretch section and positioning table be one-body molded, and described outer stretching one's arms is connected in described positioning table by the stretch section one.

3. spanner base structure as claimed in claim 2 is characterized in that: described positioning table is provided with a plane for making a plurality of locating holes that run through arranged in a straight line; Described outer stretching one's arms is connected in the plane other end of described positioning table by the stretch section one, and offers several limiting holes arranged in a straight line on described outer the stretching one's arms, and described limiting holes shape, size are greater than described locating hole.

4. spanner base structure as claimed in claim 3 is characterized in that: the end of described positioning table in the plane is manufactured with to protrude and supports piece; The protrusion of the described outer corresponding described positioning table of outboard end of stretching one's arms supports piece.

5. spanner base structure as claimed in claim 1 is characterized in that: the described outer limiting holes of stretching one's arms and the corresponding different wrenching bar changes of section of locating hole shape of described positioning table.

6. will remove 5 described spanner base structures as right, it is characterized in that: described locating hole is shaped as circular hole, polygonal hole, star-shaped aperture or square hole.

7. spanner base structure as claimed in claim 1 is characterized in that: described outer a plurality of limiting holes of stretching one's arms and a plurality of locating holes of described positioning table are arranged according to demand mode.

8. spanner base structure as claimed in claim 5 is characterized in that: a plurality of locating hole quantity of described a plurality of limiting holes of stretching one's arms and described positioning table are adjusted variation according to user's quantity demand.

9. spanner base structure as claimed in claim 1 is characterized in that: describedly outer stretch one's arms, stretch section and positioning table are member independently separately, and pass through suites of measure in conjunction with the location.