CN2327505Y - Multi-purpose power tool with variable handle angle - Google Patents

Abstract

A multi-purpose electric tool with variable handle angle is composed of a main body, a handle movably connected to said main body via an inclined plane with proper angle, an arc guide slot on said inclined plane for inserting the guide rib, a main body with a clamping mechanism at one end and a clamping unit at one end of said main body for combining with said clamping mechanism, and an electric tool head with a main body for easy combination and disassembly.

Description

Multi-purpose power tool with variable handle angle

The utility model relates to a multi-purpose electric tool, especially a handle capable of changing the angle with the main body. The main body and the electric tool head can be combined and disassembled quickly by means of an engaging device to replace different purposes. The structure of the electric tool head or electric appliance can be applied to various detachable electric tools and electric appliances, such as waxing machines, cutting machines, grinders, vacuum cleaners, jacks, socket wrenches, screwdrivers, electric drills... ..wait.

In all walks of life today, most of them will use power tools or appliances (hereinafter referred to as power tools) to assist in solving various work needs, which can indeed achieve labor-saving, convenient operation and other effects. For example: using an electric socket wrench to dismantle and install vehicle tire nuts, using an electric jack to lift the vehicle up for maintenance, etc. However, most of today's electric tools combine the power host and the transmission structure as one, that is, the host and the tool head It cannot be disassembled, so one electric tool can only solve one working situation when used, and as we all know, all kinds of electric tools on the market are expensive, and there are many types of electric tools used in various industries, consumers must buy a variety of Only electric tools can meet the needs of use, which is not economical and inconvenient.

It is also a heavy burden for ordinary families, and most of the handles that can be held by users of electric tools today are designed to be fixed, and the holding angle cannot be adjusted, and they cannot be conveniently held on various occasions. This defect also needs to be improved.

Therefore, in view of the above-mentioned shortcomings still existing in the existing electric tools, the author has the motivation to develop a multi-purpose electric tool with a detachable and replaceable tool head. One part of the host body, depending on the needs of the work, you can choose power tool heads with different uses such as electric drills, electric screwdrivers or electric grinders, etc. For example, the power tools that are often used in cars are waxing machines, Power tools such as vacuum cleaners, tire nut socket wrenches, and electric jacks can all be provided to consumers by adding different tool heads to the same host body.

The main purpose of this utility model is to provide a multi-purpose electric tool, which has a main body and a plurality of tool heads, which can be quickly assembled and disassembled. One main machine is suitable for adding a variety of different tool heads to effectively save purchases. low cost and easy to use.

Another object of the present invention is to provide a multi-purpose electric tool with a changeable handle angle, so that the angle of the handle relative to the host can be adjusted selectively, and is suitable for use in many occasions.

In order to achieve the above purpose, the main design spirit of the utility model is to set the electric tool into three main parts: the handle, the main body and the electric tool head; The lower part of the handle body and the main body are roughly columnar, and the end of the handle and the upper end of the main body are movably socketed in the central part, so that the handle can be rotated with respect to the main body to change the angle, such as forming a pen-shaped combination or a gun-shaped Combination; the main body is equipped with a power motor, the driving shaft of the motor is exposed outside the main body, and a locking mechanism is extended on the outer edge or below the end of the main body; the end of the power tool head is set according to its purpose. The power tool is equipped with a power transmission mechanism or a deceleration mechanism inside, and a locking mechanism is provided on its upper end to combine with the locking mechanism at the end of the host body, and it is set to be detachable, so that the power of the main drive shaft of the host body can be adjusted. It is transmitted to the end of the electric tool head through the power transmission or deceleration mechanism, and the electric tool head can be detached from the end of the host body, and different electric tool heads can be replaced and used.

The locking mechanism of the host body and the electric tool head can be fitted, screwed or fastened with a lock ring, or the joint surfaces of the two can be respectively set as a depression and a locking block, so that the two can be directly rotated and inserted. Together, the utility model provides several implementable structures as examples.

Concrete technical scheme of the present utility model is:

A multi-purpose electric tool with a changeable handle angle, comprising a handle, a host body and an electric tool head; wherein:

A handle, the upper end of which is provided with a power jack for external power supply, the lower part of the body is roughly columnar, and the end is inclined;

A main body, the upper end of which is set as a slope corresponding to the end of the handle, and the handle is movably socketed in the central part, so that the handle can rotate with respect to the main body to change the angle, and a power motor is installed in it, the prime mover of the motor The shaft is exposed outside the body, and the end of the main body is equipped with a snap-in mechanism;

The end of the electric tool head is a variety of electric tools with different purposes. The interior is to accommodate the relevant power transmission or deceleration mechanism. The upper end is provided with an engaging mechanism that can be disassembled or combined with the engaging mechanism of the main body, so that the main body The power of the prime mover shaft is transmitted to the end of the power tool head through the internal power transmission or reduction mechanism.

There is a socket hole at the center of the slope at the end of the handle, and a T-shaped socket column is set at the center of the slope at the upper end of the main body, and the main body and the handle are connected by inserting the T-shaped socket column into the socket hole. Combination; the center of the T-shaped socket column is provided with a wiring hole connected with the socket hole for the power supply line to penetrate; an arc-shaped guide groove is provided on the slope of the host body adjacent to the edge, and the opposite position on the slope of the end of the handle A guide rib is then provided, and the guide rib can slide along the arc-shaped guide groove.

There is an elastic protruding end on the slope at the end of the handle, and positioning holes and fixing holes are respectively provided on the corresponding positions on the slope of the main body, so that when the handle and the main body rotate to form a gun-shaped handle, the protruding end of the handle can be Extend into the positioning hole for fixing, and when the handle and the main body form a pen-shaped state, the protruding end is to extend into the fixing hole for fixing.

On the inclined surfaces where the handle and the main body are in contact with each other, embossed lines are respectively provided, so that when the handle and the main body rotate relative to each other, frictional resistance is formed.

The handle is provided with a positioning key for controlling the protruding and non-protruding states of the protruding end of the handle.

The handle is provided with a toggle switch that can control the on and off of the power supply, and control the motor to perform forward rotation and reverse rotation.

The body of the main engine is roughly in the shape of a column, and there are several fixing blocks on the outer edge of the end. The upper end of the electric tool head is extended upwards and provided with several fitting jaws, and the fitting jaws of the electric tool are fixed on the In the gap of the fixed block of the host body.

The inner wall of the lock ring is provided with fixed slant pieces, the number of which is the same as the number of fixed blocks of the main body, and the lower side of the fixed slant pieces is provided with an inclined slope, so that when the lock ring rotates, the fixed slant pieces The lower inclined surface of the lower side can be screwed tightly to fasten the upper end surface of the main body fixing block.

At least some of the fitting jaws on the upper end of the electric tool are provided with stoppers on one side of their outer walls, so that the rotation of the locking ring is limited by the stoppers and stopped.

The body of the main engine is roughly columnar, and the outer edge of the end is provided with several rings of snap ring grooves; it also includes a lock ring, which is an annular body, with ring ribs and several buckle grooves on the inner wall, and the upper end of the electric tool It is extended with several fastening jaws, and the upper end of the jaws forms an oblique cone clip; when combined, the lock ring is fastened to the snap ring groove of the main body by its ring rib, and the fastening jaws of the electric tool Then it penetrates into the inner hole of the lock ring, and the oblique taper at the front end is against the inner wall of the lock ring, and can be slid and buckled in the buckle groove of the lock ring to be tightly fastened.

There are several clamping blocks below the end of the host body, the clamping blocks protrude radially, and the outer surface of the clamping blocks is set to gradually increase and expand outward; The snap-in part, the upper edge of the snap-in part is cut out corresponding to the notch of the cross-sectional shape of the snap-in part, and the inner wall of the snap-in part is set as a radially retracted contact surface; when combined, the snap-in block of the main body is embedded in the power tool head clip In the slot of the entry part, the two can be rotated with each other, so that the clamping block can be screwed and fixed along the retracted surface of the electric tool head.

The end surface of the outer surface of the clamping block of the main body is provided with protruding embossments, and the retracted surface of the engaging part of the electric tool head is also provided with protruding embossments to enhance the clamping effect of the two.

Obviously, adopting the multi-purpose electric multi-purpose electric tool with changeable handle angle provided by the above-mentioned technical solution, the host body and the electric tool head are easy to assemble and disassemble, so it can provide users with convenient replacement of electric tool heads and electric tool heads for different purposes. The utility model is suitable for adding a variety of different tool heads to a main machine, which can effectively save the purchase cost. At the same time, the angle of the main machine can be selected and adjusted by using the structural design of the handle, which can be used in many occasions.

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the features and functions of the utility model can be understood more clearly.

A brief description of the attached drawings:

Fig. 1 is the perspective view of the first embodiment of the utility model;

Fig. 2 is a schematic diagram of the handle of the utility model and the body of the main engine joined by an inclined plane;

Figure 3-1 is a schematic diagram of the handle of the utility model and the body of the host in a pencil-shaped joint state;

Fig. 3-2 is a schematic diagram of the state where the handle of the utility model is engaged with the host body at an angle;

Figure 4 is an exploded view of the first embodiment of the utility model;

Fig. 5-1 is a cross-sectional schematic diagram of the relative position of the host body, the lock ring and the power tool head in the first embodiment of the present invention;

Fig. 5-2 is a cross-sectional schematic diagram of the main body of the first embodiment of the utility model, the locking ring and another relative position of the electric tool head;

Fig. 6 is a perspective view of the second embodiment of the utility model;

Fig. 7 is an external view of the main body, lock ring, and electric tool head of the second embodiment of the utility model;

Fig. 8 is a longitudinal sectional view of the combined state of the host body, the lock ring and the electric tool head according to the second embodiment of the present invention;

Fig. 9 is a transverse cross-sectional view after the combination of Fig. 8, which shows the state of the position of the clamping jaws during buckling and tripping;

Fig. 10-1 is a partial longitudinal sectional view of the second embodiment of the present invention, which shows the buckling state of the sleeved jaws;

Fig. 10-2 is a partial longitudinal sectional view of the second embodiment of the present invention, which shows the state of release of the sleeved jaws;

Fig. 11 is a perspective view of the third embodiment of the utility model;

Fig. 12 is an appearance diagram of the handle and main body components of the third embodiment of the present invention;

Fig. 13 is an appearance view of the joint part between the host body and the electric tool head according to the third embodiment of the present invention;

Fig. 14 is a structural sectional view of the host body and the electric tool head according to the third embodiment of the present invention;

Fig. 15 is a cross-sectional view of the cut-out groove on the upper edge of the snap-in part of the electric tool head according to the third embodiment of the present invention;

Fig. 16 is a cross-sectional view of the structure of the retracted surface of the inner wall of the snap-in part of the power tool head according to the third embodiment of the present invention;

Fig. 17 is a cross-sectional view of the third embodiment of the present invention showing that the clamping block of the host body is disengaged from the fastening state;

Figures 18-1, 18-2, and 18-3 respectively represent the appearance diagrams of the utility model electric tool that can be set as an electric screwdriver, an electric grinder and an electric waxing machine;

Fig. 19 is an appearance view of an electric tool of the present invention applicable to an electric jack.

As shown in Figure 1, the first embodiment of the utility model includes a handle 1, a main body 2, a tool head 3 and a lock ring 4; The jack is for plugging in a power plug 11, so as to connect power sources such as household (AC), vehicle (DC) power or general storage batteries, and a positioning key 12 is set at the appropriate place of the handle 1, such as toggling the positioning key 12 during use. , which can remove the positioning state of the handle and the main body, so that the handle 1 can rotate with respect to the main body 2 to form an angle change, which is convenient for the user to hold and apply force; there is also a control on/off, forward rotation and reverse rotation Turn the three-stage power switch 11a. The electric tool head 3 (this embodiment is an example of an electric screwdriver) can be sleeved on the end of the main body 2 with the sleeve jaw 31 provided on the upper end, and can be fixed by tightening an outer locking ring 4 .

Please refer to Fig. 2, Fig. 3-1, and Fig. 3-2, the main body 2 of the utility model is mainly used to install a power motor, and its prime mover shaft 21 fits the pinion gear 211 of the meshing element and is transparent. Out of the host body 2. The main body 2 and the outer shell of the handle 1 are composed of the upper and lower halves of the mold, so the T-shaped socket column 22 extending from the upper end surface of the main body 2 at the central part can be inserted into the handle 1. In the socket hole 13 opened in the central part of the end face, the handle 1 can rotate coaxially along the main body 2 without falling off. A wiring hole 221 is opened in the central part of the T-shaped socket post 22, through which the power cord protruding from the socket hole 13 enters the main body 2 to provide power for the motor. The joint between the handle 1 and the main body 2 is in contact with the inclined surfaces 14 and 23 at an appropriate angle, and an arc-shaped guide groove 24 is arranged on the inclined surface 23, so that the guide rib 15 protruding from the inclined surface 14 extends into it. As for the positioning key 12 provided on the handle 1, by controlling an elastic member 121 provided therein, the protruding end 122 of the front end of the positioning key 12 is stretched into the positioning hole 241 of the slope 23 by the effect of its elastic force. In the middle, the fixing effect is achieved, so that the handle 1 can no longer be rotated.

When wanting to change the angle of the handle, first move the positioning key 12 so that the protruding end 122 withdraws from the positioning hole 241. At this time, the handle 1 can be rotated to make the guide rib 15 slide along the arc-shaped guide groove 24. When sliding At the other closed end of the arc-shaped guide groove 24, the handle 1 can no longer be rotated. Because the arc-shaped guide groove 24 is designed to be 180 degrees in the first embodiment of the utility model, the handle 1 rotates 180 degrees. The degree is converted into a pistol grip shape by being linear with the host body 2 originally, and after turning, the protruding end 122 of the positioning key 12 can be inserted into another fixing hole 25 that is clamped on the inclined plane 23 to achieve a fixed effect. Accordingly, the angle between the handle 1 and the main body 2 can be changed, so that the user can choose to operate at will. In addition, in order to prevent the end surface at the joint between the handle 1 and the main body 2 from slipping during rotation, embossed lines 141, 231 can be provided on the inclined surfaces 14, 23 to form appropriate frictional resistance.

As shown in Figure 4, the electric tool head 3 of the first embodiment of the present utility model mainly accommodates the deceleration transmission mechanism. Since most of its structure is known, a brief description is given here: in its electric tool head 3 Bolts 51 are used to fix a torsion safety device composed of ring sleeve 52, steel ball disc 53, spacers 54, 55, elastic member 56 and disc seat 57, and then filled into a gear cylinder 6, which gear cylinder 6 The bottom is mainly able to fit in the ring groove 631 provided on the shaft 63 with a C-shaped shaft sleeve 61 and an iron washer 62, so that the shaft 63 can be fixed and rotated, and the front opening end of the tool head 3 Then fit the front cover 64 and the bushing 65 to form a closed state, and the shaft rod 63 is exposed outside the front cover 64 for loading a screwdriver. In the gear barrel 6, a gear with an inner gear ring 711 is first inserted. sleeve 71, and drive into it with three pins 712 to make it abut against the shaft disc 632, and the three planetary gears 72 are pivotally arranged on the shaft disc 632 on the shaft 63, and their teeth are respectively connected with The inner gear ring 711 of the gear sleeve 71 is meshed to form a planetary gear set. After the gear sleeve 71 is placed on the gaskets 73 and 74, a gear sleeve 75 is then put into it. Parallel clamp strips 751 are clamped in the clamping groove 66 opened on the inner wall of the gear cylinder 6 without rotation. Accordingly, two sets of planetary gears 76, 77 and two partitions 78, 79 are built into the gear sleeve 75. When the power tool head 3 is combined with the main body 2, a perforation 32 is provided at the joint end of the upper end of the tool head 3, so that the driving shaft 21 of the main body 2 can be inserted into the tool head 3, and the pinion 211 can be inserted into the tool head 3. It meshes with three planetary gears 76, so as to achieve the purpose of reducing the speed of the shaft rod 63 and increasing the torque through the transmission of each planetary gear set.

As shown in Fig. 4, Fig. 5-1, 5-2, the engaging mechanism of the main body 2 and the power tool head 3 of the first embodiment of the present invention can be quickly assembled and disassembled, mainly at the front end of the main body 2. Fixed block 26 is established on the plane, and the upper end of tool head 3 extends upwards several vertical shape fitting jaws 31 arranged in a ring, because it is slightly elastic, it can be directly gripped and pressed to make its outer diameter slightly smaller, so that the lock ring 4 can be fitted on it, and because the end of the fitting jaw 31 is a triangular hook shape, it can prevent the lock ring 4 from falling off and does not hinder its smooth rotation; The inclined piece 41, when the main body 2 and the tool head 3 are assembled, the lock ring 4 can be rotated so that the fixed inclined piece 41 turns to the outside of the sleeve jaw 31 to form an inner and outer layered shape (as shown in Figure 5-1), And at least several fitting jaws 31 are provided with strip-shaped stoppers 311 on their side edges, which can prevent the fixed slant piece 41 from rotating again, forming a rotation locking state. At this time, the fitting jaws 31 can be fitted on each In the gap formed by the fixed block 26, and because of the blocking of the fixed block 26, the tool head 3 and the matching jaw 31 cannot continue to rotate radially. When the lock ring 4 rotates in the opposite direction (see Figure 5-2), the fixed slant 41 on the inner wall is turned to the outside of the gap where the jaw 31 fits, and the fixed slant 41 is not integral during rotation. piece type, so the inclined surface 411 set on its lower side will slowly push against the retaining surface 261 on the upper side of the fixed block 26. At this time, the tool head 3 and the lock ring 4 cannot be axially separated from the main machine body 2, so as to achieve The effect of fixing the combination of the host body and the electric tool head; and the locking ring 4 fixes the inclined piece 41 during the locking process and can stop the rotation due to the timely blocking of the stop block 331, so as to prevent excessive rotation. When disassembling the tool head 3 and the host body 2, the lock ring 4 is reversely rotated back to its original state, so that the tool bit 3 can be separated from the host body 2, and the electric tool bits for different purposes can be replaced.

Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10-1, Fig. 10-2 disclose the second embodiment of the utility model, which consists of a handle 10, a host body 20, a lock ring 30 and an electric tool head 40 composed of. The handle and the main body body are slightly cylindrical, and the locking mechanism at the end of the main body 20 is provided with several snap ring grooves 27. There is a ring rib 34 that can be screwed or combined with the snap ring groove 27, and a plurality of buckle grooves 35 with arc-shaped slideways 351 are provided at appropriate places on the inner wall 33. The electric tool head 40 is provided with a perforation 402 in the center for the drive shaft 21 of the main body to penetrate the pinion gear 211 of the meshing element to transmit power to the reduction gear set 44, and a plurality of snap-fit jaws 42 are provided extending upward from the periphery of the upper end. And an oblique tapered locking portion 43 is formed at the front end of each claw. When combined, the lock ring 30 is combined with the locking ring groove 27 of the main body 20 by the ring rib 34 .

When desiring to quickly assemble the electric tool head 40, simply insert the electric tool head 40 into the inner hole of the lock ring 30 by means of its fastening jaws 42, and the oblique cone clamping portion 43 at the front end of each fastening jaw 42 will abut against Slightly rotate the power tool head 40 on the inner wall 33 of the lock ring 30, so that the fastening jaw 42 can be slid into the fastening groove 35 to form a tight fastening assembly effect, as shown in Figure 9 and Figure 10-1 shown. If the power tool head 40 is to be disassembled, the lock ring 30 is rotated in one direction, so that the elastic buckling jaws 42 are all retracted due to the resistance of the oblique cone clamping portion 43 by the bottom surface of the arc-shaped slideway 351, so that the The oblique cone clamping part 43 is released and withdrawn from the buckle groove 35 of the lock ring, as shown in Fig. 10-2, so each fastening jaw 42 can slip out through the complete smooth inner wall 33 of the lock ring 30, so that the power tool head 40 can be pulled out from the lock ring 30 and detached.

Figures 11 to 17 reveal the third embodiment of the present invention. The locking mechanism of the main body 8 is provided with several locking blocks 826 below the end, and each locking block protrudes radially. The outer surface gradually increases and expands outwards, so that the plate height (thickness) of side a is lower than the height (thickness) of the plate portion of side b, and the outer edge surface is provided with raised ribs 827 .

The engaging mechanism of the power tool head 9 is provided with a snap-in portion 931 with a hollow inner ring at the upper end, and the upper edge 932 of the snap-in portion 931 is carved with a slot 933 corresponding to the section shape of the fastening block 826, and the inner wall of the snap-in portion 931 934 is configured to have a radially retracted abutment surface 935 , and a protruding embossment 936 is also provided on the abutment surface 935 .

When assembling, insert the fastening block 826 of the main body 8 against the missing groove 933 on the electric tool head 9, and then slide the fastening block 826 into the tool head fastening part 931, and then make the two rotate mutually, that is, The clamping block 826 can be frictionally tightened along the retracted contact surface 935, and the greater the applied rotational force, the higher the degree of bite fastening between the clamping block 826 and the contact surface 935 will be, so as to achieve fast tightening. solid effect.

If you want to unbuckle and detach the main body 8 from the power tool head 9, you only need to unscrew the main body 8 in the opposite direction, so that each locking block 826 exits the locked position, and pulls it out from the position of the missing groove 933. Detachment.

To sum up, the utility model discloses an electric tool whose combined angle between the handle and the host can be changed, so that it is suitable for use in different occasions. And use three embodiments to illustrate the engaging structure between the end of the main body and the electric tool head, to prove that the utility model can indeed achieve the above-mentioned main creation purpose, and use a main body to cooperate with different tool heads for consumers Choosing to use has practical value. The illustrations in the drawings and the descriptions of the embodiments are used to illustrate the design spirit of the present utility model, and are not intended to limit the form in which the present utility model can be implemented. For example, the shape of the handle and the main body in the present utility model, the first embodiment is a slightly polygonal columnar shape, the second embodiment and the third embodiment are cylindrical, all are examples, and do not mean that the utility model cannot be used other possible shapes. Another example is that Figures 18-1, 18-2, 18-3 and 19 of the utility model respectively reveal that the utility model can be applied to electric screwdrivers, grinders, waxing machines and jacks. In fact, others such as electric drills and socket wrenches , cutting machines, vacuum cleaners... and other automobiles or household appliances can be applied. 4 and 8 of the present invention disclose the specific deceleration mechanism inside the electric tool head. In fact, other possible transmission or deceleration mechanisms can also be set according to the use of the tool head.

Claims (12)

1, a kind of multipurpose electric tool of lever variable-angleization comprises lever, main frame body and electric tool head; It is characterized in that:

One lever, its upper end is provided with supply hub for external power supply, and the body bottom becomes column generally, and end is set as the inclined-plane;

One main frame body, its upper end are set as and the terminal corresponding inclined-plane of lever, with lever at the center pivot bush unit partly, lever can be rotated with angle changing for the main frame body, installing power motor in it, the primary shaft of motor appears in this external, and the end of main frame body then is provided with snap fastener;

The electric tool head, its end is the different electric tool of various purposes, inside is ccontaining relevant power transmission or reducing gear, its upper end be provided with can with dismounting of the snap fastener of main frame body or the snap fastener that combines, make the power of main frame body primary shaft, power transmission or reducing gear through inside reach electric tool head end.

2, the multipurpose electric tool of lever variable-angleization as claimed in claim 1, it is characterized in that: the middle position on the terminal inclined-plane of lever is provided with sleeve joint hole, the central authorities on inclined-plane, main frame body upper end then establish a T shape socket post, and mat T shape socket column sleeve is gone into and in this sleeve joint hole the main frame body combined with lever; These T shape socket post central authorities are provided with a wiring hole and sleeve joint hole connects, and the power supply source line penetrates; Contiguous rim place establishes an arc guide barrel on the main frame body inclined-plane, and relative position is then established one and led rib on the terminal inclined-plane of lever, and this leads rib can follow the arc guide barrel slip.

3, the multipurpose electric tool of lever variable-angleization as claimed in claim 1, it is characterized in that: the terminal inclined-plane of lever is provided with a rubber-like jag, and correspondence position is respectively equipped with when making lever and main frame body rotate formation rifle shape lever mutually on the main frame body inclined-plane, the jag of lever can stretch into locating hole and fix, and when lever and main frame body formation form of a stroke or a combination of strokes state, this jag then is to stretch into fixing hole fixing locating hole and fixing hole.

4, the multipurpose electric tool of lever variable-angleization as claimed in claim 1 is characterized in that: on lever and inclined-plane that the main frame body is contacted, be respectively equipped with and make lever and main frame when relatively rotating, constitute the burr of the resistance of friction.

5, the multipurpose electric tool of lever variable-angleization as claimed in claim 3 is characterized in that: lever is provided with an outstanding and positioning key of outstanding state not that is used to control the jag of described lever.

6, the multipurpose electric tool of lever variable-angleization as claimed in claim 1 is characterized in that: be to be provided with the Push And Release of a controllable power and the change-over switch that the control motor is done forward and reverse on the lever.

7, the multipurpose electric tool of lever variable-angleization as claimed in claim 1, it is characterized in that: the main frame body becomes a column generally, its terminal outer rim is provided with most fixed blocks, the upper end of electric tool head then extends upward and is provided with most fit jaws, and mat one lock ring is fixed in the fit jaw cover of electric tool in the gap of main frame body fixed block.

8, the multipurpose electric tool of lever variable-angleization as claimed in claim 7, it is characterized in that: be to be provided with fixing oblique sheet on the inwall of described lock ring, its number is identical with the fixed block number of main frame body, and fixing oblique sheet downside and being provided with make lock ring can mat when turn its screw the inclined-plane of the inclination of the upper surface that fastens main frame body fixed block.

9, the multipurpose electric tool of lever variable-angleization as claimed in claim 7 is characterized in that: the fit jaw of described electric tool upper end wherein has at least several to be provided with the limited and stop block that stops of the rotation that makes lock ring on its outer wall one side.

10, the multipurpose electric tool of lever variable-angleization as claimed in claim 1 is characterized in that: its main frame body becomes a column generally, and its terminal outer rim is provided with a few engaging circular grooves; Other comprises a lock ring, and it is a ring bodies, is provided with ring rib and several catching grooves in its inwall, and the upper end of electric tool is to extend to be provided with most fastening jaws, and the jaw upper end forms the oblique cone card division; Lock ring is to be fastened in the engaging circular groove of main frame body with its ring rib, and the fastening jaw of electric tool then penetrates in the endoporus of lock ring, and its front end oblique cone card division abuts against the inwall of lock ring, but and slide fastener in the catching groove of lock ring and closely fasten.

11, the multipurpose electric tool of lever variable-angleization as claimed in claim 1, it is characterized in that: the below of its main frame body tip is provided with several holding blocks, holding block is outstanding towards radially extending, the outer surface of holding block be made as increase gradually expand outwardly outstanding; The electric tool head encircles in the upper end is provided with and cuts open empty snapin part, and the upper limb of snapin part cuts open the short slot of engraving corresponding holding block section configuration, and the inwall of snapin part then is made as and contracts to face in radial; The holding block of main frame body is to be embedded in the short slot of electric tool head snapin part, and the two can do mutual rotation, make holding block follow the electric tool head in contract and be tightened to face.

12, the multipurpose electric tool of lever variable-angleization as claimed in claim 11, it is characterized in that: the end face of the outer surface of described main frame body holding block is the burr that is provided with projection, and electric tool head snapin part in contract and on face, also be provided with the projection burr.

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