CN2644105Y

CN2644105Y - Electric tool with multiple working angle

Info

Publication number: CN2644105Y
Application number: CN 03263729
Authority: CN
Inventors: 吴建俊
Original assignee: Mobiletron Electronics Co Ltd
Current assignee: Mobiletron Electronics Co Ltd
Priority date: 2003-05-27
Filing date: 2003-05-27
Publication date: 2004-09-29
Anticipated expiration: 2013-05-27

Abstract

The utility model relates to an electric tool with multiple operation angles. The electric tool comprises a first crust which has a scratching arm; the scratching arm has a first surface and a second surface which is positioned on the opposite side of the first surface, and between the first surface and the inner crust wall is a space; a convex block is arranged on a second surface of the scratching arm; an elastic element which is put into the space and touches with the first surface and the inner wall; a second crust is arranged on the first crust through a pivot; the second can turn to a second position relative to the first crust along the center of the pivot from the first position, and the second crust has a different angle with the first crust when in the second position; the second crust has two grooves that are arranged at the first position and the second position on the second crust, and the convex on the scratching arm can be inserted into the groove.

Description

Have the multiplex (MUX) and make the electric tool of angle

Technical field

The utility model relates to hand and takes instrument, is meant that especially a kind of multiplex (MUX) of having makes the electric tool of angle.

Background technology

General electric screw driver is to install a motor in the enclosure that becomes straight-tube shape without exception, and connects an instrument by motor, again with power supply (battery) CD-ROM drive motor that is positioned at enclosure equally.The user is located at rotation that switch on the shell controls motor and turns to by one, and then the instrument of turning carries out work.Because when work, have various restriction on the environment, working space is comparatively narrow sometimes, or must just can carry out at special angle, general electric screw driver regular meeting has the position that can't be placed in easy construction to carry out the puzzlement of work.Therefore, the design of many bent electric tool housings is arranged recently, announcing No. 492383 patent case as annex is that shell with electric screw driver is divided into the procapsid 10 and the back casing 20 that can bend relatively, as shown in Figure 2 in the annex, by being located at the location of one on the back casing 20 shell fragment 61, with a positioning seat 62 tablings that are located on the procapsid 10, but make two housings, 10,20 relative fixed, control Location resilient piece 61 with fixing or loosen procapsid 10 by a lock-button 60 again at predetermined angular.The effect of lock-button 60 mainly is to lock the forward and backward

housing

10,20 of pulling, and angle therebetween can be fixed, and avoids the user when operation electric screw driver turn one bolt, because of the excessive application of force on back casing 20 changes its angle, influences operation and carries out.

Yet, the user is when gripping and operate electric screw driver, when wanting bending procapsid 10, must first pushing lock-button 60 loosen Location resilient piece 61, then rotate procapsid 10 to the position of needs, the 60 stationary positioned shell fragments 61 of pushing lock-button again make procapsid 10 and back casing 20 be fixed on a predetermined angular, just can finish the action of bending.And utilize electric screw driver when work, as long as be appropriate cooperating between the bottle opener that turned of procapsid 10 front ends and the bolt, the user just needn't remove to suppress back casing 20 with very big strength, so being provided with of lock-button 60 is obviously unnecessary, increase the loaded down with trivial details of operation in rain, and increase the constituent part and the manufacturing cost of electric screw driver.

Summary of the invention

At the problems referred to above, main purpose of the present utility model provides the electric tool that a kind of multiplex (MUX) of having makes angle, and its mode of operation is easy, and cost is lower.

For achieving the above object, the utility model adopts following scheme: a kind of multiplex (MUX) of having makes the electric tool of angle, includes a power subsystem, and one turns device, a switch and a housing, and its housing also includes: one first housing, inside is provided with a flexing arm; Flexing arm has one first and 1 second of being positioned at first opposition side, and has a space between first and the first inner walls face; Has a projection on second of flexing arm; One elastic component, plug is located in the above-mentioned space and contacts with first and internal face respectively; One second housing is hubbed on first housing by a pivot; Second housing can be the center with the pivot from a primary importance, and relative first housing is switched to a second place, and second housing is when laying respectively at this two position, its with first housing between angle different; Second housing has two grooves, and when second housing was positioned at first and second position, the projection on second of the flexing arm can embed position wherein respectively.

Because adopt such scheme, the utility model just can easier mode bend electric screw driver as required.

Description of drawings

Fig. 1 is the front view of the utility model one preferred embodiment;

Fig. 2 is the front cross-section view of the utility model one preferred embodiment;

Fig. 3 is the action schematic diagram of the utility model one preferred embodiment;

Fig. 4 is the front cross-section view of the utility model one preferred embodiment, shows postrotational second housing.

The specific embodiment

Now structure of the present utility model and function are elaborated in conjunction with preferred embodiment of the present utility model and conjunction with figs..

As shown in Figure 1 and Figure 2, had an electric tool that the multiplex (MUX) makes angle for what the utility model one preferred embodiment provided, it includes:

One first housing 10 is to set up upright forming jointly by one

first side cover

11 and 12 pairs of one second side covers in the present embodiment, generally is cylindric; Be provided with a radial pivot 13 at first housing, 10 front ends, the rear end is provided with an opening 14 break-through first housing 10 inside; One battery enclosing cover 15 covers on the opening 14.First housing, 10 inside top surface are provided with the flexing arm 16 that without exception is strip near the front end place; Flexing arm 16 1 ends are installed on first housing 10, and the other end is a free end, extend towards first housing, 10 front ends.Flexing arm 16 has one first 17 and one second 18 (as shown in Figure 3) being positioned at first 17 opposition side; Between the internal face of the top of first housing 10 and first housing 10, has a space for first 17; Second 18 (being the bottom surface of flexing arm 16) of flexing arm 16 becomes circular-arc projection 19 at the downward protrusion of free end without exception.

One elastic component 60 is the rubber material in the present embodiment, is arranged in first 17 (being the end face of flexing arm 16) and the space between first housing, 10 internal faces of flexing arm 16; Elastic component 60 contacts with first 17 of flexing arm 16 and the internal face of first housing 10 respectively.

One second housing 20 is set up upright forming jointly by one the

3rd side cover

21 and 22 pairs of one the 4th side covers in the present embodiment, also generally is cylindric.The rear end of second housing 20 is provided with a pivot hole 23 radially, and front end face is provided with a central hole 24.The top side, rear end of second housing 20 is provided with a positioning seat 25, and positioning seat 25 is the circular arc lamellar body, and its center of circle is identical with the center of circle in pivot hole 23; The surface of positioning seat 25 is axially arranged with one first groove 26 and one second groove 27 along pivot hole 23; First groove, 26 close second housing, 20 top sides, the rear end of comparatively close second housing 20 of second groove.Second housing 20 articulates with the pivot 13 of the pivot hole 23 and first housing 10, and positioning seat 25 surfaces are tangent state with the bottom surface of the flexing arm 16 of first housing 10.

One power subsystem 30 is a dc-battery group in the present embodiment, inserts in first housing 10 from the opening 14 of first housing 10, and covers with enclosing cover 15.

One turns device 40, is arranged in second housing 20, a driving section 44 that includes a motor 42 and driven by motor 42; Driving section 44 is positioned at second housing, 20 leading portions, and connects the perforation 24 that a sleeve 46 passes second housing 20, is used to accept instrument.

One switch 50 is located at first housing, 10 bottom surfaces, connects power subsystem 30 and turns device 40, is used to control motor 42 rotations that turn device 40 and turns to, and this control mode is a known techniques, and is irrelevant with the utility model, so repeat no more.

As shown in Figure 2, be hubbed on when the pivot hole 23 of second housing 20 on the pivot 13 of first housing 10, when first housing 10 and second housing 20 were a straight line, second housing 20 was positioned at a primary importance; When second housing 20 is positioned at primary importance, the projection 19 of flexing arm 16 embeds in first groove 26 of second housing 20 in first housing 10, the elastic component 60 that is located at 16 first of flexing arms then props up first 17 of flexing arm 16 and limits projection 19 and up move, and then embeds first groove 26 by projection 19 and fix first housing 10 and second housing 20.When the user will use electric screw driver of the present utility model, grip first housing, 10 outsides with hand, the motor 42 that turns device 40 in second housing 20 can be controlled and turn to push switch 50 then, and then, rotate at second housing, 20 front ends by the instrument that motor 42 drives on the sleeve 46 that is located at driving section 44.When the user will bend the utility model, as shown in Figure 4, can make second housing 20 be positioned at a second place directly with the 20 relative first down switchings of housing 30 of second housing.When second housing 20 began to rotate, first groove 26 and second housing 20 moved down along circular arc synchronously, and projection 19 disengagings with first housing, 10 flexing arms 16 make the surface (as shown in Figure 3) of projection 19 contacts at the positioning seat 25 of second housing 20; The projection 19 of flexing arm 16 is subjected to the pushing and pressing on positioning seat 25 surfaces and makes the free end of flexing arm 16 little up crooked, allow the elastic component 60 of flexing arm 16 end faces be squeezed and be out of shape, continue to rotate to the second place up to second housing 20, projection 19 tablings of second groove 27 and first housing, 10 flexing

arms

16,60 of elastic components are pressed on the projection 19 of flexing arm 16 downwards in second groove 27 with the elasticity of itself, make second housing 20 be fixed on the second place.

Elastic component 60 can be selected the material of different coefficient of elasticity as required, to change different constant intensities and rotation tightness.By this, just can offer the user easy to operate have an electric tool that the multiplex (MUX) makes angle, and cost is lower.

The utility model also can be provided with the groove more than two on positioning seat 25 surfaces of second housing 20, makes electric screw driver that more groups of bending angles be arranged.

Claims

1, a kind of multiplex (MUX) of having makes the electric tool of angle, includes a power subsystem, and one turns device, and a switch and a housing is characterized in that described housing includes:

One first housing, inside is provided with a flexing arm, described flexing arm has one first and 1 second of being positioned at described first opposition side, has a space between described first and the described first inner walls face, has a projection on second of described flexing arm;

One elastic component, plug are located in the described space and contact with described first and the described first inner walls face respectively;

One second housing is hubbed on described first housing by a pivot, and described second housing can be from a primary importance, with described pivot is the center, described relatively first housing is switched to a second place, when described second housing lays respectively at described two positions, its with described first housing between angle different; Described second housing has at least two grooves, lays respectively at described first and second position, and when described second housing was positioned at described first and second position, described projection can embed respectively in the described groove.

2, the multiplex (MUX) of having as claimed in claim 1 makes the electric tool of angle, it is characterized in that: the described first enclosure interior end face is provided with described flexing arm near front position; First internal face towards described first housing of described flexing arm, described second one end is protruding with the circular-arc described projection of general one-tenth downwards.

3, the multiplex (MUX) of having as claimed in claim 1 makes the electric tool of angle, it is characterized in that: described elastic component is that rubber is made.

4, the multiplex (MUX) of having as claimed in claim 1 makes the electric tool of angle, it is characterized in that: the top side, rear end of described second housing is provided with a positioning seat, described positioning seat is the circular arc lamellar body, and its center of circle is identical with the pivot center of circle of described first and second housing pivot points; Described two grooves lay respectively on the surface of described positioning seat.

5, the multiplex (MUX) of having as claimed in claim 4 makes the electric tool of angle, it is characterized in that: described positioning seat surface is tangent state with second face of the flexing arm of described first housing.

6, the multiplex (MUX) of having as claimed in claim 1 makes the electric tool of angle, it is characterized in that: described power subsystem is arranged on described first housing or described second housing within one of them; The described device that turns is arranged in described second housing, is subjected to described power subsystem to drive and turn an instrument; Described instrument is located in the front end of described second housing; Described switch connects described power subsystem and the described device that turns, and is used to control the described device that turns.