CN2390728Y

CN2390728Y - Improvement of handle structure for screw driver

Info

Publication number: CN2390728Y
Application number: CN 99239416
Authority: CN
Inventors: 谢智庆
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-08-27
Filing date: 1999-08-27
Publication date: 2000-08-09
Anticipated expiration: 2009-08-27

Abstract

The utility model belongs to the improvement of a handle structure for a screw driver, and particularly belongs to the structure that a holding shape can be freely changed into a straight body shape or a T-shaped body. The utility model mainly comprises the screw driver, wherein, one end of which is a handle part and the other end of which is a screw part. The handle part is provided with a cutting groove along the axial inner edge, and an auxiliary handle can be contained in the cutting groove; the auxiliary handle is a component, wherein, one end surface shape of which is the same as the shape of the cutting groove, and is provided with a tooth-shaped sliding groove; a positioning column is used to be threaded through the sliding groove to make the sliding groove pivoted to the cutting groove and to be properly extended, and the auxiliary handle can rotate in 360 DEG along the positioning column to form a parallel or vertical structure with the handle part; accordingly, the use of the screw driver is more practical.

Description

The shank architecture advances of screwdriver

The utility model provides a kind of shank architecture advances of screwdriver, especially refer to that a kind of gripping kenel tool conversion of screwdriver, the lever of the property adjusted improve structure, not only can make the use of screwdriver have more practicality, convenience, simultaneously, the efficient that spiral shell is established significantly promotes.

As everyone knows, the use of screwdriver is of long duration, mostly be to establish portion by a shank part and a spiral shell to be formed on the composition of its structure, and by prior art as can be known, the handle structure of general screwdriver mostly is the form that is the stretched shape, and increase the gripping degree simultaneously for ease of gripping, the gripping surface of this lever just is formed with decorative pattern miscellaneous, the decorations sample, yet, because the lever of this kind stretched shape is when operation, the direction system and the spiral shell portion of establishing of screwdriver of user's " gripping is reversed " application of force is the direction of " parallel ", so the frictional resistance that the hand that decorative pattern that lever is convexly equipped with and user grip can produce is limited, and, when if user's hand speckles with greasy dirt, then lever reverses the torsion that can produce and does not then conform to practicality more, therefore, just there is the people that the handle designs of screwdriver is T font (as shown in Figure 1), the direction that the lever gripping application of force is reversed is vertical kenel with the spiral shell portion of establishing, and can possess bigger torsion person, but, though the lever of T font possesses bigger torsion,, in the operation of long locking or spiral shell pine, but can't come smoothly as the lever of stretched shape, therefore, the minimum preparation of general staff has the screwdriver of two kinds of different kenel levers, uses with the handled easily person, but, carry and map function on very not convenient, so, improved necessity is in addition arranged.

In view of this, the above-mentioned inconvenience of commonly using in the screwdriver use of the artificial improvement of this creation, be that the many years of experience that it is engaged in hand-held tool manufacturing research and development in Drawing upon, expect and to create practical product, popular to benefit consumption, then think hard power rope, research and development with great concentration all day, grind eventually and create the utility model " the shank architecture advances of screwdriver ", with all masses of Jiahui.

Main purpose of the present utility model, be to solve the above problems and provide a kind of, utilize the axially suitable place of shank part of screwdriver to offer a profile groove, an auxiliary lever makes in can be placed in, simultaneously, be located, make auxiliary lever to be the turn action along reference column with a reference column, and be the kenel of parallel (collection) or vertical (pulling out) with shank part, and make things convenient for the user to adjust the gripping state.

Further describing of the shank structure of screwdriver of the present utility model is as follows, mainly comprise a screwdriver, this screwdriver one end is a shank part, end is established portion for spiral shell in addition, this shank part prolongs axial inner edge and offers a profile groove, by chance can be for an auxiliary lever collection, and should auxiliary lever be the end face kenel member identical with profile groove, have one and can utilize a reference column to wear sliding tray, it is hubbed at the suitable place of profile groove, makes that to assist lever can be that the axle center is spinning movement and is the sliding tray that is dentation of parallel or vertical stratification with shank part with the reference column.Described auxiliary lever also can form a semicircle kenel of cuing open half shape, and axial 1/2 place of shank part also forms the structure of emptying, make auxiliary lever be involutory setting, and utilize the reference column of a tool manufactured head to wear the sliding tray of auxiliary lever and fix with shank part.Described auxiliary lever one end can form in addition the round pommel of suitable length, and end then extends into the slightly flat receiving end of convex of section in addition, and when making flat receiving end be placed in the profile groove of shank part, round pommel can form the extension kenel of shank part.

Above-mentioned and other purpose of the present utility model and advantage, not only from the detailed description and accompanying drawing of following selected embodiment, acquisition is understood in depth, but do not limit the utility model content, the utility model or is allowed different on some part in the arrangement of part, but selected embodiment, then in this specification, described in detail, and in accompanying drawing, showed its structure.

Description of drawings:

Now describe the utility model in detail in the back with a preferred embodiment and conjunction with figs.:

Fig. 1 is a kind of schematic appearance of commonly using screwdriver.

Fig. 2 is the utility model schematic appearance.

Fig. 3 is the utility model decomposing schematic representation.

Fig. 4 is a collection action diagram of the present utility model.

Fig. 5 is the action diagram that the utility model rotation is shifted out.

Fig. 6 is the action diagram that moment of torsion is pulled in the utility model adjustment.

Fig. 7 is the another kind of application examples of the utility model.

Fig. 8 is second kind of embodiment outside drawing of the utility model.

Fig. 9 is second kind of embodiment decomposing schematic representation of the present utility model.

Figure 10 is that second kind of embodiment of the utility model collects action diagram.

Figure 11 is that action diagram is shifted out in the utility model second embodiment rotation.

Figure 12 is the action diagram that moment of torsion is pulled in second kind of embodiment adjustment of the utility model.

Figure 13 is the third embodiment outside drawing of the utility model.

Figure 14 is the third embodiment decomposing schematic representation of the utility model.

Figure 15 is that the third embodiment of the utility model collects action diagram.

Figure 16 is that action diagram is shifted out in the third embodiment rotation of the utility model.

Symbol description:

1-screwdriver 11-shank part

111-profile groove 112-locating hole

113-steel bead groove 12-spiral shell is established portion

13-empties the auxiliary lever of the 2-of portion

21-sliding tray 22-circle pommel

The flat receiving end 3-reference column of 23-

4-steel ball body

Seeing also Fig. 2～Figure 16, is the structure of the selected a kind of embodiment of the utility model shown in the figure, and this only for the usefulness of explanation, is not subjected to the restriction of said structure in patent application.

See also Fig. 2, shown in Figure 3, the shank architecture advances of the utility model screwdriver, mainly comprise a screwdriver 1, this screwdriver one end is a shank part 11, and end is established portion 12 for spiral shell in addition, wherein, shank part 11 is the vertical bar shape for for an end that grips, and spiral shell is established portion 12 and is an end of screw lock spiral shell spare, its end can be yi word pattern or cross, it is characterized in that:

The outer peripheral face of this shank part 11 is suitable to be in axial inner edge and to offer a profile groove 111, by chance can be for auxiliary lever 2 collections, and this profile groove 111 also is connected with a locating hole 112 that runs through shank part 11, and auxiliary lever 2 member identical with profile groove 111 that be an end face kenel, wide suitable place in relative positioning hole 112, run through a sliding tray 21 that is dentation, make a reference column 3 can wear locating hole 112 and sliding tray 21 and fix, simultaneously, making auxiliary lever 2 can be that the axle center is spinning movement with reference column 3, to reach the gripping kenel that shank part 11 and auxiliary lever 2 can be parallel (collection) or vertical (pulling out) respectively.

By above-mentioned member, the any conversion of kenel that screwdriver 1 one end shank parts 11 are gripped is vertical bar shape or T type body, and make things convenient for the user to grip the adjustment of kenel, during use, because auxiliary lever 2 is to be concealed in the profile groove 111 (as shown in Figure 4), make shank part 11 be the vertical bar shape, and when desiring to be adjusted to T type body, must be the axle center with reference column 3 with assisting lever 2 only, in profile groove 111, pull out and get final product (as shown in Figure 5), and, because the sliding tray 21 of auxiliary lever 2 is to be odontoid, therefore, when being the axle center slip with reference column 3, can slide into location, any appropriate location arbitrarily, the moment of torsion that screwdriver 1 is pulled more strengthens (as shown in Figure 6), and meets practical value, again, please referring to shown in Figure 7, but the upper edge that position that the auxiliary lever 2 of the utility model is provided with and pivot are fixed in shank part 11.

Moreover, please referring to Fig. 8～shown in Figure 12, the embodiment of the utility model application characteristic, and can will assist lever 2 formation one to cut open the semicircle kenel of half shape, simultaneously, axial 1/2 place of shank part 11 is formed one empty portion 13, make auxiliary lever 2 be involutory setting, and utilize the reference column 3 of a tool manufactured head to wear the sliding tray 21 of auxiliary lever 2 and fix with shank part 11.

Again please referring to Figure 13～shown in Figure 16, the structure that the auxiliary lever 2 of the utility model is connected with shank part 11, can will assist lever 2 one ends to form the round pommel 22 of suitable length in addition, end then extends into the flat receiving end 23 that section slightly is convex in addition, and this flat receiving end 23 by chance can be placed in shank part 11 and be in the profile groove 111 of identical end face kenel, when making flat receiving end 23 be concealed in profile groove 111, circle pommel 22 can form the extension kenel of shank part 11, in addition, what must be illustrated is, this embodiment is connected fixing member except utilizing reference column 3 is pivoted shank part 11 and auxiliary lever 11, and be convexly equipped with the flexible steel ball body 4 of a tool in the external end edge place of flat receiving end 23, simultaneously, establish 12 inwall place in profile groove 111 relative spiral shells and offer a steel bead groove 113, but make steel ball body 4 overheads in steel bead groove 113 and fix.

In addition, what must be illustrated is, what is called is at first created and is closed in practicality, be to refer to have " improvement ", the industrial technology of " progressive ", the surface is in the shape of article, on structure or the device, be able to " effect " that " raising " original article have, and the technological means that the utility model is used is incited somebody to action originally the only shank part of tool " single " gripping kenel, be modified into and have " two kinds " gripping kenel, and can adjust orientation angle arbitrarily, the shank part of position, really the screwdriver of commonly using has more novelty, progressive, thus the correlated condition of patent statute met.

System that the above embodiment discloses not is in order to restriction the utility model, so the displacement of the change of numerical value or equivalence element must be subordinate to category of the present utility model such as in order to explanation the utility model.

In sum, the shank architecture advances of the utility model screwdriver is a design that has practicality and progressive really, and it does not only see any publication and is suitable for the expansionary of industry yet, is to meet the utility application important document.

Claims

1, a kind of shank architecture advances of screwdriver mainly comprises a screwdriver, and this screwdriver one end is a shank part, and end is established portion for spiral shell in addition, it is characterized in that:

This shank part prolongs axial inner edge and offers a profile groove, by chance can be for an auxiliary lever collection, and should auxiliary lever be the end face kenel member identical with profile groove, have one and can utilize a reference column to wear sliding tray, it is hubbed at the suitable place of profile groove, makes that to assist lever can be that the axle center is spinning movement and is the sliding tray that is dentation of parallel or vertical stratification with shank part with the reference column.

2, the shank architecture advances of screwdriver as claimed in claim 1, it is characterized in that described auxiliary lever also can form a semicircle kenel of cuing open half shape, and axial 1/2 place of shank part also forms the structure of emptying, make auxiliary lever be involutory setting, and utilize the reference column of a tool manufactured head to wear the sliding tray of auxiliary lever and fix with shank part.

3, the shank architecture advances of screwdriver as claimed in claim 1, it is characterized in that described auxiliary lever one end can form the round pommel of suitable length in addition, end then extends into the slightly flat receiving end of convex of section in addition, when making flat receiving end be placed in the profile groove of shank part, the circle pommel can form the extension kenel of shank part.