CN2353493Y

CN2353493Y - Improved Structure of screwdriver head

Info

Publication number: CN2353493Y
Application number: CN 98248936
Authority: CN
Inventors: 何建程
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-11-09
Filing date: 1998-11-09
Publication date: 1999-12-15
Anticipated expiration: 2008-11-09

Abstract

The utility model provides a multipurpose improved structure of a screwdriver head. The utility model is used for solving the problem that a common screwdriver head has the single function of only matching with a tool having inner polygonal embedded holes. On the whole, an inner polygonal embedded hole is arranged in the end surface of a polygonal inserted post of the screwdriver head of the utility model. Therefore, the utility model can be matched with a polygonal wrench having the polygonal inserted post as well as matched with the tool having inner polygonal embedded holes via the inner polygonal embedded holes and the polygonal inserted post, and the effect of adding application modes is obtained.

Description

Screwdriver head improvement structure

The utility model provides the multiduty screwdriver head improvement of a kind of tool structure, and can bring into play the effect that increases application mode.

Usually, general screwdriver head structure commonly used, see also shown in Figure 1, this screwdriver head 10 is the elements for the chimeric post of a tool hexagonal, so no matter user's desire utilizes screwdriver head 10 to carry out the rotation loading and unloading of in-line screw or the rotation loading and unloading of cross screw, the instrument or the sleeve that all have interior hexagonal embedded hole only with cooperation, so in the selection of engagement tool, to be very restricted, and behind the bottle opener handle coupling spool of general screwdriver head more than 10 employing vertical types commonly used, reinstall screwdriver head 10, if in screw is imbedded darker hole, work, bottle opener handle and sleeve can can't stretch into because of volume is excessive, if work under the situation of working space deficiency above the screw, more can can't use the bottle opener handle fully because of the top working space is not enough.

In addition, this screwdriver head 10 is after repeatedly using, and the arm of angle of its polygonal chimeric post can wear and tear gradually, so that screwdriver head 10 and sleeve generation gap, and can't bear when rotating the loading and unloading screw, and the stress that is produced makes screwdriver head 10 lose effectiveness fully; The user must will change new product, causes screwdriver head 10 losts of life; So,,, really be the target that a utmost point waits to lay siege to improvement asking desirable, practical and progressive today at above defective.

In view of this, the inventor is the detailed funiculus of thinking, and the long-pending experience that sells, studies and develop of being engaged in various manual facility and relevant manual utensil for many years, and whole face is developed a kind of multipurpose that has, and the screwdriver head that can increase application mode is improved and constructed.

Promptly, primary and foremost purpose of the present utility model promptly is to provide a kind of shortcoming that general screwdriver head commonly used is restricted in the selection of engagement tool of improving, and possess multipurpose is arranged, and the head improvement that risen that can increase application mode is constructed, its improvement partly substantially, it is the end face that utilizes the polygonal chimeric post of screwdriver head, polygonal embedding hole in one is set on end face, the conversion of polygonal embedding hole and polygonal chimeric post utilization in the utilization again, not only can the arrange in pairs or groups instrument in polygonal embedding hole in the tool, also can the arrange in pairs or groups polygonal spanner of the polygonal chimeric post of tool, if in screw is imbedded darker hole, work, bottle opener handle and sleeve can can't stretch into because of volume is excessive, but the external diameter of L type interior angle spanner is little than screwdriver head, can stretch in the deep hole smoothly, if work under the state of working space deficiency above the screw, more still can use a kind of really screwdriver head improvement structure that increases application mode because of the use angle of L type interior angle spanner is different.

Secondary objective of the present utility model promptly is to provide a kind of screwdriver head improvement durable and that the pot life is longer to construct, general screwdriver head is after repeatedly using, the arm of angle of its polygonal chimeric post can wear and tear gradually, and can't bear the rotation loading and unloading stress that screw produced, make screwdriver head lose effect fully, the user must will change new product, cause the screwdriver head lost of life, but the utility model adopts two kinds of chimeric modes to operate, can select optimal instrument arbitrarily for use, the useful life of screwdriver head not only can extend, and after any chimeric part wearing and tearing, can use another kind of chimeric mode instead, still can have use value, historical facts or anecdotes is that a kind of durable screwdriver head improvement with pot life length is constructed.

The purpose of this utility model is to provide a kind of screwdriver head improvement structure.

The purpose of this utility model is achieved in that a kind of screwdriver head improvement structure, is to be a polygonal cylinder, and its cylinder below system is established screwdriver head, and end face is provided with polygonal holes in above its polygonal cylinder.This screwdriver head can be an in-line; This screwdriver head can be a cross; This polygonal cylinder can be a hexagon; Should interior polygonal holes can be hexagon.

In sum, the utility model provides the multiduty screwdriver head improvement of a kind of tool structure, and it mainly is for improving the simple function that screwdriver head commonly used can only cooperate the instrument in polygonal embedding hole in the tool; Its solution substantially, it is the end face that utilizes the polygonal chimeric post of screwdriver head, polygonal embedding hole in one is set thereon, like this, polygonal embedding hole and polygonal chimeric post in the utilization, not only can the arrange in pairs or groups instrument in polygonal embedding hole in the tool of the utility model, therefore the polygonal spanner of the polygonal chimeric post of tool of also can arranging in pairs or groups can guarantee to bring into play multipurpose and the function that increases application mode.

Fig. 1 is the stereogram of prior art;

Fig. 2 is a stereogram of the present utility model;

Fig. 3 is a profile of the present utility model;

Fig. 4 is the figure of practicing of the present utility model.

The figure number part:

10. hexagonal embedded hole in screwdriver head 20. screwdriver heads 21. commonly used

22. Hexagonal jacket 31. sleeve handles in the chimeric post 30. of hexagonal

40.L type die nut

The utility model is described in further detail with embodiment below in conjunction with accompanying drawing.

At first, see also shown in Fig. 2,3, screwdriver head improvement structure of the present utility model is made up of three part institutes such as a screwdriver head 20, one interior hexagonal embedded hole 21, the chimeric posts 22 of a hexagonal substantially, and this screwdriver head 20 is the in-line bottle opener, be positioned at the below of unitary construction, the chimeric post 22 of this hexagonal is a hexagon posts, and is bonded on the screwdriver head 20, hexagonal embedded hole 21 in being somebody's turn to do is the embedding hole of hexagonal in the tool; And be opened on the end face of the chimeric post 22 of hexagonal; The above, promptly be for each assembly relevant position of the present utility model with and the structure general introduction.

Secondly, again operating principle of the present utility model is cooperated graphic detailed description as after, like this can be to structure of the present utility model, feature and other advantages can have further to be known from experience and understanding, see also shown in Figure 4, when user's desire is used screwdriver head 20, Hexagonal jacket 30 is inserted in the chimeric post 22 of hexagonal on the screwdriver head 20 in generally can using, again to connect a tool sleeve handle 31 on the interior Hexagonal jacket 30, utilization sleeve handle 31, interior Hexagonal jacket 30 operates with the rotation that engages of screwdriver head 20, carry out the loading and unloading of screw, if in screw is imbedded darker hole, work, sleeve handle 31 and interior Hexagonal jacket 30 can can't stretch into because of volume is excessive, if under the situation of working space deficiency above the screw, work, more can can't use sleeve handle 31 and interior Hexagonal jacket 30 fully because of the top working space is not enough, but the user still can be in the set interior hexagonal embedded hole 21 of screwdriver head of the present utility model 20, socket L type die nut 40, the external diameter of L type interior angle spanner 40 is but little than screwdriver head 20, can stretch into smoothly in the deep hole, if under the situation of working space deficiency above the screw, work, more still can use because of the use angle of L type die nut 40 is different, and go deep into the screw loading and unloading of screw buried via hole and conversion work angle, so the utility model be a kind of possess multipurpose is arranged, and can increase the screwdriver head improvement structure of application mode.

Claims

1. a screwdriver head improvement structure is characterized in that it being to be a polygonal cylinder, and its cylinder below system is established screwdriver head, and end face is provided with polygonal holes in above its polygonal cylinder.

2. screwdriver head improvement structure as claimed in claim 1 is characterized in that this screwdriver head can be an in-line;

3. screwdriver head improvement structure as claimed in claim 1 is characterized in that this screwdriver head can be a cross;

4. screwdriver head improvement structure as claimed in claim 1 is characterized in that this polygonal cylinder can be a hexagon;

5. screwdriver head improvement structure as claimed in claim 1 is characterized in that polygonal holes can be a hexagon in this.