CN2434101Y

CN2434101Y - Retractable screwdriver handle

Info

Publication number: CN2434101Y
Application number: CN 00243727
Authority: CN
Inventors: 洪坤池
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-07-21
Filing date: 2000-07-21
Publication date: 2001-06-13
Anticipated expiration: 2010-07-21

Abstract

The utility model relates to a telescopic holding handle for a screwdriver. An outer sleeve is sheathed on the holding handle, and the cross section of the holding handle is not circular. The rear segment of the holding handle is provided with a radial slot in which a positioning piece is arranged. A pushing and pressing part of the positioning piece protruded out of the outer side of the holding handle and is clamped in a positioning hole of the outer sleeve, which is convenient for enabling the outer sleeve to move forwards and backwards to change the total length of the holding handle and the outer sleeve when a user presses the pushing and pressing part of the positioning piece downwards until the pushing and pressing part is merged in the holding handle. When the outer sleeve is moved forwards and backwards to be positioned, the positioning piece is abutted and pushed upwards by an elastic piece on the bottom of the positioning piece to enable the pushing and pressing part of the positioning piece to be clamped into any positioning hole of the outer sleeve to position the outer sleeve. The utility model can achieve the double efficacies of portability and convenient force application and grasp simultaneously.

Description

Telescopic Screwdriver handle

The utility model relates to a kind of hand-operated tools, refers to a kind of telescopic Screwdriver handle that is easy to carry and is convenient to application of force gripping especially.

The bottle opener of commonly using generally can be divided into long handle and two kinds of forms of short handle.The bottle opener of long handle is to design at the use form that imposes big rotating torque, otherwise the bottle opener of short handle is for easy to carry, does not design but do not need to impose big rotating torque.

Though the bottle opener of long handle helps the user and imposes big rotating torque and come rotating screw, long lever is unfavorable for carrying and collecting; Though and the bottle opener of short handle can be easy to carry and collect because of lever is short, is unfavorable for imposing when the user grips bigger rotating torque, so be not easy to use the situation that imposes big rotating torque at needs.

Main purpose of the present utility model is, provide a kind of telescopic Screwdriver handle for solving existing existing the problems referred to above of bottle opener, it is to borrow one to be located in the locating hole that keeper in the groove of non-circular section lever snaps in overcoat and to locate, and the press section that presses down keeper is when making in its lever that submerges, can make the overcoat reach to shorten the total length of lever, or move the double effects that is easy to carry and is convenient to application of force gripping to increase the total length of lever, can reach simultaneously after making overcoat.

The purpose of this utility model is realized by following technical scheme.

A kind of telescopic Screwdriver handle, it is characterized in that, the section of this lever is to be non-circular, its front end has a ratchet mechanism, this ratchet mechanism has a tool bar that stretches out forward, be arranged with on the lever one can be on lever before and after the overcoat of slippage, and the lever back segment has a groove that radially is provided with, this groove is to be installed with for positioning piece, this keeper below is provided with the elastic component that the pushing tow keeper makes progress under the normality, keeper has one can protrude the outer press section of lever, be somebody's turn to do the locating hole that the outer protrusion place, press section that put corresponding keeper has two above axially-aligned, can protrude to snap in respectively in arbitrary locating hole by the press section of keeper during with slippage before and after overcoat and locate, and this lever periphery has a plurality of for the containing hole of putting tool heads.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid telescopic Screwdriver handle, wherein an end of this groove has the less minor diameter part of an opening, and this groove is provided with a base plate with respect to an end of minor diameter part, and this spring is to be located between the base plate and keeper of groove, and the keeper stage casing has a stop section, for the end face of block between groove and minor diameter part.

Aforesaid telescopic Screwdriver handle, wherein the transverse shape of this lever generally is hexagon, and this overcoat has the hollow bulb of a shape and the complementation of lever section configuration, makes lever and overcoat wear the latter two and can not produce radially relative rotation.

Aforesaid telescopic Screwdriver handle, wherein have on this lever one with the irregularly-shaped hole of the pawl seat profile complementation of ratchet mechanism, can be therefore limited when making pawl seat insert this irregularly-shaped hole and can't rotate, screw togather a lid in the lever front outer again, pawl seat is fixed in the lever.

Aforesaid telescopic Screwdriver handle, wherein this ratchet mechanism is the tool bar that is pivoted in a pawl seat, the end of this tool bar in pawl seat has ratchet, and establish a snap-latch piece by pawl seat below ratchet is limited in the pawl seat, installing catch and change-over switch in pawl seat make this ratchet tool promote catch with the rotating direction of conversion ratchet by change-over switch again.

The utility model can reach the double effects that is easy to carry and is convenient to application of force gripping simultaneously.

For further understanding technology contents of the present utility model, characteristics and effect, exemplify following preferred embodiment now, and conjunction with figs. is described in detail as follows:

Fig. 1 is a stereoscopic schematic diagram of the present utility model.

Fig. 2 is an exploded perspective schematic diagram of the present utility model.

Fig. 3 is the cutaway view of III shown in Figure 1-III line.

Fig. 4 is an operating state schematic diagram of the present utility model.

Fig. 5 is the stereoscopic schematic diagram after moving behind the utility model overcoat.

See also Fig. 1 to shown in Figure 3, the utility model is a kind of telescopic Screwdriver handle, the section configuration of this lever 1 generally is hexagon, and be arranged with on the lever 1 one can be on lever 1 before and after the overcoat 2 of slippage, this overcoat 2 has the hollow bulb 21 of a shape and lever 1 section configuration complementation, makes lever 1 and overcoat 2 wear the latter two mutually and can not produce relatively rotating radially.And this lever 1 front end is provided with a ratchet mechanism 3.This ratchet mechanism 3 has a tool bar that stretches out forward 32, and lever 1 back segment has a groove 11 that radially is provided with, one end of this groove 11 has the less minor diameter part of an opening 12, and this groove 11 is to be installed with for positioning piece 4, and this groove 11 is provided with a base plate 13 with respect to an end of minor diameter part 12.13 of the base plates of this keeper 4 and groove 11 are provided with the spring 5 of pushing tow keeper 4 under the normality, this keeper 4 has a press section 41 and can be protruded outside the lever 1 by the minor diameter part 12 of groove 11, and keeper 4 stage casings have a stop section 42, for the end face of block in 12 of groove 11 and minor diameter parts.The 41 protrusion places, press section of the corresponding keeper 4 of the front and rear sections of this overcoat 2 have a prelocalization hole 22 and a back locating hole 23 respectively, can being snapped in location in the forward and backward locating

hole

22,23 by the press section 41 of keeper 4 respectively when the overcoat 2 front and back slippages, and this lever 1 periphery has a plurality of for the containing holes 14 of putting tool heads 6.

This ratchet mechanism 3 is the tool bars 32 that are pivoted in a pawl seat 31, the end of this tool bar 32 in pawl seat 31 has ratchet 321, and establish a snap-latch piece 33 by pawl seat 31 belows ratchet 321 is limited in the pawl seat 31, installing catch 34 and change-over switch 35 in pawl seat 31 make this ratchet mechanism 3 promote catch 34 with conversion ratchet 321 rotating directions by change-over switch 35 again.Have on this lever 1 one with the irregularly-shaped hole 15 of the pawl seat 31 profile complementations of ratchet mechanism 3, can be therefore limited when making pawl seat 31 insert this irregularly-shaped hole 15 and can't rotate, screw togather a lid 16 in lever 1 front outer again, pawl seat 31 is fixed in the lever 1, and corresponding change-over switch 35 places have an elongated slot 17 for change-over switch 35 protrusions, for the rotation direction of user's operational transformation ratchet mechanism 3 on the lever 1.

During use, the user can press down the press section 41 of keeper 4, submerges lever 1 to press section 41, at this moment, just lever 1 can be pulled out forward.As shown in Figure 4, when overcoat 2 relatively moves to the location, keeper 4 just can be by spring 5 upwards ejections, and the press section 41 protrusion levers 1 of keeper 4 are snapped in the prelocalization hole 22 of overcoat 2 outward, make overcoat 2 location, the lever 1 and the total length of overcoat 2 are increased, as shown in Figure 5, make the user can firmly grip lever 1 and come the application of force, during the application of force, because lever 1 section is shape and its complementation that is hexagon and overcoat 2 hollow bulbs 21, so user's the application of force is to be born by the inner edge surface of overcoat 2 hollow bulbs 21 and the outer edge surface of lever 1, so can not produce the problem of overcoat 2 and lever 1 slippage during the application of force.In like manner, also can make lever 1 and overcoat 2 stacked overcoat 2 reach, and can significantly shorten the total length of lever 1 and overcoat 2, reducing its shared space, and can be easy to carry or collect.

In sum, the utility model is in behind the press section 41 that presses down keeper 4, submerged in the lever 1 in press section 41, and overcoat 2 front and back can be passed, to change the total length of lever 1, and before overcoat 2, after when moving to the appropriate location, can be upwards by spring 5 pushing tow keepers 4, make press section 41 snap in the prelocalization hole 22 or back locating hole 23 of lever 1, and with overcoat 2 location, can shorten the total length of lever 1 when making overcoat 2 reach, and can increase the total length of lever 1 when behind overcoat 2, moving, can reach simultaneously and be easy to carry, collect and be convenient to the double effects of application of force gripping.

Claims

1. telescopic Screwdriver handle, it is characterized in that, the section of this lever is to be non-circular, its front end has a ratchet mechanism, this ratchet mechanism has a tool bar that stretches out forward, be arranged with on the lever one can be on lever before and after the overcoat of slippage, and the lever back segment has a groove that radially is provided with, this groove is to be installed with for positioning piece, this keeper below is provided with the elastic component that the pushing tow keeper makes progress under the normality, keeper has one can protrude the outer press section of lever, the locating hole that this outer protrusion place, press section that puts corresponding keeper has two above axially-aligned, and this lever periphery has a plurality of for the containing hole of putting tool heads.

2. telescopic Screwdriver handle according to claim 1, it is characterized in that, one end of groove has the less minor diameter part of an opening, this groove is provided with a base plate with respect to an end of minor diameter part, this spring is to be located between the base plate and keeper of groove, and the keeper stage casing has a stop section, for the end face of block between groove and minor diameter part.

3. telescopic Screwdriver handle according to claim 1 is characterized in that the transverse shape of described lever generally is hexagon, and this overcoat has the hollow bulb of a shape and the complementation of lever section configuration.

4. telescopic Screwdriver handle according to claim 1 is characterized in that, have on the described lever one with the irregularly-shaped hole of the pawl seat profile complementation of ratchet mechanism, screw togather a lid in the lever front outer again, pawl seat is fixed in the lever.

5. telescopic Screwdriver handle according to claim 1, it is characterized in that, described ratchet mechanism is the tool bar that is pivoted in a pawl seat, the end of this tool bar in pawl seat has ratchet, and establish a snap-latch piece by pawl seat below ratchet is limited in the pawl seat, installing catch and change-over switch in pawl seat again.