CN1827310A

CN1827310A - Multifunctional screw driver

Info

Publication number: CN1827310A
Application number: CN 200610050310
Authority: CN
Inventors: 张孔力
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-12
Filing date: 2006-04-12
Publication date: 2006-09-06

Abstract

The invention relates to a multifunctional screwdriver, which comprises: a head, a handle (2) which is formed by the front part (21), the back part (22) and the locking part (23); wherein, the front end of back part (22) has a containing groove (221); the back end of front part (21) is movably hinged at the front end of said containing groove (221); the locking block (23) is limited in the middle part of containing groove (221) to move along the containing groove (221); the front end of front part (21) has a abnormal hole (51) to insert the head; the arc back end of front part (21) has several interval cuts (211); the front end of locking block has a boss (231) matched with cuts (211); and the locking block (23) has a flexible reset device to keep the locking block (23) inclined forwards. The inventive multifunctional screwdriver has several working angles; while its handle can be bended into different angles.

Description

Multifunctional screw driver

Technical field

The invention belongs to the technical field of screwdriver, but relate in particular to a kind of multifunctional screw driver of handle deflection certain angle.

Background technology

Screwdriver is electrician and mechanic's a common tool, we often will be with the screwdriver of multiple different size or model when using screwdriver, it can only use early stage screwdriver at the screw of certain model, general screwdriver has the branch of Phillips screwdriver and straight screwdriver, moreover be exactly to divide according to the driver bit size, at this situation, its great majority of screwdriver in the market are to change various dissimilar and big or small combined screwdriver heads as required, this combined screwdriver has brought very big convenience for our use, the structure of this screwdriver is generally: it includes driver bit, handle, the two removably fixedly is assembled into one by same axis, the all sides of described handle have a plurality of upper end open from top to bottom, bottom sealing deposit chamber, the indoor driver bit that is inserted with different size of storage chamber, above-mentioned dismountable fixed form generally is such: have an irregularly-shaped hole that matches in driver bit end cross-sectional shape at the front end of handle, we just can be inserted into the driver bit that is fit in the irregularly-shaped hole of handle as required, can use, be the screwdriver that the Chinese utility model patent " a kind of portable combined multi-purpose screwdriver " of ZL95227022.6 (notification number is CN2236383Y) has disclosed a kind of of this sort structure as a patent No..

Use screwdriver in order to adapt under the environment of dark, the someone has invented a kind of screwdriver with illumination functions again, as a patent No. is that the Chinese utility model patent " Multi-functional Lighting screwdriver " of ZL98228879.4 (notification number is CN2339362Y) has disclosed the structure so a kind of, a kind of Multi-functional Lighting screwdriver, include driver bit and handle, it is characterized in that: a lighting device is housed in the handle, lighting device is provided with spotlight bowl, the spotlight bowl front portion is covered with the lampshade made from transparent material, the intrinsic connector that is connected with driver bit on the lampshade, lighting device, spotlight bowl and lampshade by protecgulum and bonnet screw fixed on handle.It is the multiple driver bit of a kind of outfit, but the screwdriver of equipment repair is carried out in spotlighting when being adapted at dark place or night.

No matter be early stage screwdriver, existing various combined screwdriver, still the screwdriver that has various additional functions, its driver bit and handle all are positioned on the same axis, it has only a kind of operating angle to that is to say this screwdriver, it runs into and will handle specific position like this, screw as corner, can be inconvenient to the work of putting in existing screwdriver, because its diameter of its driver bit of general screwdriver all is less, can stretch into narrower space and carry out work, but the handle of screwdriver not all is thicker, can not stretch into narrow space in some cases, and existing various screwdriver its have only the operating angle of an axis, be with this screwdriver work, it needs bigger space, the general space size of wanting to hold whole screwdriver at least, this has just limited the scope of application of above-mentioned various screwdrivers, has brought certain inconvenience for our use.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of multifunctional screw driver with a plurality of operating angles at above-mentioned prior art present situation, the handle of this multifunctional screw driver is the handle of a plurality of angles of bent formation, and it has advantage rational in infrastructure, easy to use.

It is a kind of multifunctional screw driver that the present invention solves the problems of the technologies described above the technical scheme that is adopted, it includes tool heads, handle, it is characterized in that described handle is by preceding shank, back shank and clamping block are formed, front end at the back shank has a storage tank, the rear portion of preceding shank is movably articulated in the front end in this storage tank, the spacing middle part in storage tank of clamping block, and can be along slippage before and after the storage tank, have one at the front end of preceding shank and can plug the location irregularly-shaped hole for tool heads, on the arc rear end face of preceding shank, have a plurality of breach at interval, on the front end face of clamping block, have one forward the projection block the protuberance of joining mutually with breach, described clamping block is provided with the flexible restoring organ that can make clamping block have the trend of leaning on forward all the time.

Above-mentioned flexible restoring organ is: the rear end face at clamping block has a hole, and on the storage tank rear end face, have one forward the projection, and can stretch into projection in the hole, be arranged with a spring on this projection, one end of spring is resisted against on the rear end face of storage tank, the other end is resisted against on the preceding inwall in hole, adopt this kind elastic reset structure not only can play clamping block is had the effect of the trend of leaning on forward all the time, it also plays certain guide effect to moving forward and backward of clamping block, the better effects if that clamping block is resetted, certain its also can directly be provided with a flexible member and get final product between clamping block and storage tank rear end face, as spring, leaf spring, but its effect does not have above-mentioned flexible restoring organ good.

Above-mentioned tool heads is a driver bit, and it is the tool heads that the most generally adopts; In order to make this multifunctional screw driver also have the function of saw, above-mentioned multifunctional screw driver also includes a saw blade, front end at preceding shank is embedded with a mount pad, preceding shank outer face is exposed in the front portion of this mount pad, described irregularly-shaped hole just is arranged on this mount pad front end, symmetry has two and the saw blade rear shape matches and front end runs through short slot on the hole wall of irregularly-shaped hole, be plugged at saw blade under the state of described short slot, this saw blade is fixed on the mount pad by a location structure, certainly in like manner we also can increase the annex of blade and so on, to increase different functions.

Above-mentioned location structure includes the regulating sleeve that is set in the mount pad outer surface and can rotates relative to mount pad, this regulating sleeve by a positioning sleeve that tightly is enclosed within the mount pad outer surface with the regulating sleeve axial location at the mount pad outer surface, the inwall of regulating sleeve is thickening gradually along the circumferential direction, described saw blade its rear end has a locating hole, also have one and the containing hole that communicates of irregularly-shaped hole on the sidewall of described mount pad, in containing hole, be equipped with one with locating hole inserting and can be mutually along the axially movable alignment pin of containing hole, on alignment pin, also be arranged with a spring, one end of spring is resisted against on the regulating sleeve, the other end is resisted against the alignment pin rear portion, and alignment pin its rear end under spring action is resisted against the inwall of regulating sleeve all the time, it is rational in infrastructure to adopt above-mentioned location structure to have, easy to operate advantage, when operating, only need to rotate regulating sleeve, at regulating sleeve inwall and alignment pin, effect down in the time of spring, the elastic force that makes alignment pin overcome spring extend in the irregularly-shaped hole, and position in the locating hole of insertion saw blade rear end, remove location to saw blade, demanding party get final product to rotating regulating sleeve, so regulates easy to operate.Certainly also can adopt existing similar locate mode, the simplest is to get final product in directly penetrating and be inserted into the locating hole of saw blade rear end from the mount pad outside by a pin.

Above-mentioned clamping block spacing in storage tank the structure at middle part be: the guide rail that has one one-tenth U-shaped at the rear portion at the position, upper end of storage tank, both sides, described clamping block top respectively have the gathering sill that concaves, under the state in clamping block is placed on storage tank, described U-shaped guide rail both sides are fastened in the gathering sill on the clamping block, described clamping block can be along slippage before and after the guide rail, this kind position limiting structure has advantage simple in structure, easy to process.

Can under the environment of dark, work in order to make this multifunctional screw driver, we also are fixed with a cylindrical shell in a side of preceding shank, the barrel front end opening, in cylindrical shell, be equipped with LED pipe, button cell, Push switch from front to back successively, described LED pipe, button cell, Push switch are connected into a loop by lead, the button of described Push switch passes the rear end face of cylindrical shell, and sort circuit is the same with circuit in the existing flashlight.

The above-mentioned back shank rear end end cap that has been threaded, and in the end cap upper edge it radially has a lacing hole that runs through, can make things convenient for us to hang like this and place this multifunctional screw driver, on the rear end face of end cap, also have a gap slot, the purpose that gap slot is set is in order the part of blade to be extend in the gap slot, pull the back shank again, and then with the blade switch out.

The rear portion of above-mentioned preceding shank is flat, described storage tank also is flat, and described breach is opened the arc rear end face Lower Half at preceding shank, and breach has three, each breach is 20 ° of angles at interval, and the back relatively shank of shank rotates about 60 ° direction before can making like this.

The both sides of above-mentioned preceding shank are fixed with the sheath made from elastomeric material, the pin and the hole of preceding shank and shank hinged place, back can be covered up like this, make the screwdriver profile more attractive in appearance, and it is lighter that our holding taken.

Compared with prior art, the invention has the advantages that: the related handle of this invention is by being made up of preceding shank, back shank and clamping block, the rear end of preceding shank is movably articulated in the front end in this storage tank, between preceding shank and back shank, come lock in place by clamping block, we just can make the back relatively shank of preceding shank turn an angle and come lock in place by clamping block like this, make this multifunctional screw driver have a plurality of operating angles, and then make this screwdriver can stretch into narrow space in some cases to carry out work, reached the purpose that enlarges the scope of application.

Description of drawings

Fig. 1 is the schematic perspective view of handle in the embodiment of the invention;

Fig. 2 is the schematic perspective view (loading onto under the state of driver bit) of the embodiment of the invention;

Fig. 3 is the schematic perspective view (loading onto under the state of saw blade) of the embodiment of the invention;

Fig. 4 is the cutaway view (loading onto under the state of driver bit) of the embodiment of the invention;

Fig. 5 is the cutaway view (loading onto under the state of saw blade) of the embodiment of the invention;

Fig. 6 for the A-A of Fig. 5 to cutaway view (saw blade does not have under the blocked state);

Fig. 7 is that the A-A of Fig. 5 is to cutaway view (under the blocked state of saw blade);

Fig. 8 is the three-dimensional exploded view of saw blade latch-up structure;

Fig. 9 is the schematic perspective view of preceding shank in the embodiment of the invention;

Figure 10 is the schematic perspective view of back shank in the embodiment of the invention;

Figure 11 is the schematic perspective view of clamping block in the embodiment of the invention.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

A kind of multifunctional screw driver shown in Fig. 1～5, it includes driver bit 1, handle 2, saw blade 4, described handle 2 is made up of preceding shank 21, back shank 22 and clamping block 23, have the storage tank 221 of a flat at the front end of back shank 22, the rear portion of preceding shank 21 is flat semicircle shape, the rear portion of shank 21 is movably articulated in the front end in this storage tank 221 before being somebody's turn to do, and the both sides of preceding shank 21 are fixed with the sheath made from elastomeric material 14;

As Figure 10, shown in 11, described clamping block 23 spacing middle parts in storage tank 221, and can be along storage tank 221 front and back slippages, clamping block 23 spacing in storage tank 221 structure at middle part be: the guide rail 223 that has one one-tenth U-shaped at the rear portion at the position, upper end of storage tank 221, both sides, described clamping block 23 top respectively have the gathering sill 233 that concaves, under the state in clamping block 23 is placed on storage tank 221, described U-shaped guide rail 223 both sides are fastened in the gathering sill 233 on the clamping block 23, described clamping block 23 can be along guide rail 223 front and back slippages, and the upper surface of clamping block 23 forms the decorative pattern that makes things convenient for us to promote;

As shown in Figure 9, on the arc rear end face of preceding shank 21, have three breach 211 at interval, breach 211 is opened the arc rear end face Lower Half at preceding shank 21, each breach 211 is 20 ° of angles at interval, the arcuation that the front end face of described clamping block 23 is indent and matches with preceding shank 21 rear end faces, and on this rear end face, have one forward the projection block the protuberance 231 of joining mutually with breach 211, on clamping block 23, be provided with the flexible restoring organ that can make clamping block 23 have the trend of leaning on forward all the time, this flexible restoring organ is: the rear end face at clamping block 23 has a hole 232, and on storage tank 221 rear end faces, have one forward the projection, and can stretch into projection 222 in the hole 232, be arranged with a spring 3 on this projection 222, one end of spring 3 is resisted against on the rear end face of storage tank 221, and the other end is resisted against on the preceding inwall in hole 232;

Shown in Fig. 6～8, front end at preceding shank 21 is embedded with a mount pad 5, preceding shank 21 outer faces are exposed in the front portion of this mount pad 5, and anterior diameter is less than the diameter in preceding shank 21 cross sections, front end at mount pad 5 is provided with an irregularly-shaped hole 51, irregularly-shaped hole 51 is a polygonal hole, symmetry has two and saw blade 4 rear shape match and front end runs through short slot 52 on the hole wall of irregularly-shaped hole 51, so that this saw blade 4 can be inserted on the preceding shank 21, be plugged at saw blade 4 under the state of described short slot 52, this saw blade 4 is fixed on the mount pad 5 by a location structure; Described location structure includes the regulating sleeve 6 that is set in mount pad 5 outer surfaces and can rotates relative to mount pad 5, this regulating sleeve 6 by one tightly be enclosed within mount pad 5 outer surfaces and positioning sleeve 7 with regulating sleeve 6 axial location at mount pad 5 outer surfaces, the inwall 61 of regulating sleeve 6 is thickening gradually along the circumferential direction, described saw blade 4 its rear end have a locating hole 41, also have one and the containing hole 53 that communicates of irregularly-shaped hole 51 on the sidewall of described mount pad 5, in containing hole 53, be equipped with one with locating hole 41 inserting and can be mutually along containing hole 53 axially movable alignment pins 15, on alignment pin 15, also be arranged with a spring 8, one end of spring 8 is resisted against on the regulating sleeve 6, the other end is resisted against alignment pin 15 rear portions, and alignment pin 15 its rear end under spring 8 effects is resisted against the inwall 61 of regulating sleeve 6 all the time;

Can under the environment of dark, work in order to make this multifunctional screw driver, we also are fixed with a cylindrical shell 9 in a side of preceding shank 21, cylindrical shell 9 front openings, in cylindrical shell 9, be equipped with LED pipe 10 from front to back successively, button cell 11, Push switch 12, described LED pipe 10, button cell 11, Push switch 12 is connected into a loop by lead, the button 121 of described Push switch passes the rear end face of cylindrical shell 9, sort circuit is the same with circuit in the existing flashlight, certainly we also can the front end of cylindrical shell 9 install one can printing opacity sheet glass, outside preventing from LED pipe 10 is directly exposed to;

The end cap 13 that has been threaded in shank 22 rear ends, back, and in end cap 13 upper edges it radially has a lacing hole that runs through 131, on the rear end face of end cap 13, also have a gap slot 132.

Operation principle of the present invention and process are such:

Under the normal state that uses, shank 21 and back shank 22 are positioned on the same axis before described, only needing during use that driver bit 1 or saw blade 4 are plugged in mount pad 5 front ends gets final product, the structure that driver bit 1 is plugged in the mount pad 5 front end irregularly-shaped holes 51 is a prior art, no longer launches detailed elaboration at this;

When we will change the use angle of this screwdriver, need earlier clamping block 23 to be promoted backward, the elastic force that clamping block 23 overcomes spring 3 moves to storage tank 221 rear portions along guide rail 223, the blocking of breach 211 on shank 21 rear end faces before the protuberance 231 of clamping block 23 front ends breaks away from, at this moment, just shank 21 before rotatable, after turning to suitable angle, stop to promote clamping block 23, clamping block 23 is in 221 reaches of the effect lower edge of spring 3 storage tank, before the protuberance 231 of clamping block 23 front ends is fastened on again on shank 21 rear end faces in the breach 211, thereby preceding shank 21 and back shank 22 are reorientated, finish the purpose of changing operating angle;

When we will use saw blade 4, earlier saw blade 4 is plugged in mount pad 5 front ends, rotate regulating sleeve 6 again, because the inwall 61 of regulating sleeve 6 is thickening gradually along the circumferential direction, it is equivalent to the effect of an eccentric orfice, when inwall 61 thicker parts of the outer face of alignment pin 15 and regulating sleeve 6 contact, the elastic force that makes alignment pin 15 overcome spring 8 extend in the irregularly-shaped hole 51, and position in the locating hole 41 of insertion saw blade 4 rear ends, remove location to saw blade 4, demanding party is to rotating regulating sleeve 6, the outer face of alignment pin 15 and inwall 61 thin locations of regulating sleeve 6 contact at this moment, alignment pin 15 withdraws from the irregularly-shaped hole 51 under the effect of the restoring force of spring 8, unlocks, and just can take out saw blade 4;

The use of illumination functions of the present invention and common flashlight show, only need the button 121 on the Push switch to get final product, and just do not launch to elaborate at this.

Claims

1, a kind of multifunctional screw driver, it includes tool heads, handle (2), it is characterized in that described handle (2) is by preceding shank (21), back shank (22) and clamping block (23) are formed, front end at back shank (22) has a storage tank (221), the rear portion of preceding shank (21) is movably articulated in the front end in this storage tank (221), the spacing middle part in storage tank (221) of clamping block (23), and can be along slippage before and after the storage tank (221), have one at the front end of preceding shank (21) and can plug location irregularly-shaped hole (51) for tool heads, on the arc rear end face of preceding shank (21), have a plurality of breach (211) at interval, on the front end face of clamping block (23), have one forward the projection block the protuberance (231) of joining mutually with breach (211), described clamping block (23) is provided with the flexible restoring organ that can make clamping block (23) have the trend of leaning on forward all the time.

2, combined screwdriver according to claim 1, it is characterized in that described flexible restoring organ is: the rear end face at clamping block (23) has a hole (232), and on storage tank (221) rear end face, have one forward projection, and can stretch into projection (222) in the hole (232), be arranged with a spring (3) on this projection (222), one end of spring (3) is resisted against on the rear end face of storage tank (221), and the other end is resisted against on the preceding inwall in hole (232).

3, combined screwdriver according to claim 1 is characterized in that described tool heads is driver bit (1).

4, combined screwdriver according to claim 1, it is characterized in that described tool heads is a saw blade (4), front end at preceding shank (21) is embedded with a mount pad (5), preceding shank (21) outer face is exposed in the front portion of this mount pad (5), described irregularly-shaped hole (51) just is arranged on this mount pad (5) front end, symmetry has two and saw blade (4) rear shape matches and front end runs through short slot (52) on the hole wall of irregularly-shaped hole (51), be plugged under the state of described short slot (52) at saw blade (4), this saw blade (4) is fixed on the mount pad (5) by a location structure.

5, combined screwdriver according to claim 4, it is characterized in that described location structure includes the regulating sleeve (6) that is set in mount pad (5) outer surface and can rotates relative to mount pad (5), this regulating sleeve (6) by a positioning sleeve (7) that tightly is enclosed within mount pad (5) outer surface with regulating sleeve (6) axial location at mount pad (5) outer surface, the inwall (61) of regulating sleeve (6) is thickening gradually along the circumferential direction, described saw blade (4) its rear end has a locating hole (41), also have one and the containing hole (53) that communicates of irregularly-shaped hole (51) on the sidewall of described mount pad (5), in containing hole (53), be equipped with one with locating hole (41) inserting and can be mutually along the axially movable alignment pin of containing hole (53) (15), on alignment pin (15), also be arranged with a spring (8), one end of spring (8) is resisted against on the regulating sleeve (6), the other end is resisted against alignment pin (15) rear portion, and alignment pin (15) its rear end under spring (8) effect is resisted against the inwall of regulating sleeve (6) all the time.

6, combined screwdriver according to claim 1, it is characterized in that described clamping block (23) spacing in storage tank (221) structure at middle part be: the guide rail (223) that has one one-tenth U-shaped at the rear portion at the position, upper end of storage tank (221), described clamping block (23) both sides, top respectively have the gathering sill (233) that concaves, under the state in clamping block (233) is placed on storage tank (221), described U-shaped guide rail (223) both sides are fastened in the gathering sill (233) on the clamping block, and described clamping block (23) can be along slippage before and after the guide rail (223).

7, according to claim 1,2,3,4,5 or 6 described combined screwdrivers, a side that it is characterized in that described preceding shank (21) also is fixed with a cylindrical shell (9), cylindrical shell (9) front opening, in cylindrical shell (9), be equipped with LED pipe (10), button cell (11), Push switch (12) from front to back successively, described LED pipe (10), button cell (11), Push switch (12) are connected into a loop by lead, and the button of described Push switch (121) passes the rear end face of cylindrical shell (9).

8, combined screwdriver according to claim 1, it is characterized in that shank (22) rear end, the described back end cap (13) that has been threaded, and in end cap (13) upper edge it radially has a lacing hole that runs through (131), on the rear end face of end cap (13), also have a gap slot (132).

9, combined screwdriver according to claim 1, the rear portion that it is characterized in that described preceding shank (21) is flat, described storage tank (221) also is flat, described breach (211) is opened the arc rear end face Lower Half at preceding shank (21), breach (211) has three, and each breach (211) is 20 ° of angles at interval.

10, combined screwdriver according to claim 1 is characterized in that the both sides of described preceding shank (21) are fixed with the sheath made from elastomeric material (14).