CN2071098U - Rotatable reciprocation driving hand electric tool - Google Patents

Abstract

The utility model relates to a rotatable reciprocation driving hand electric tool. The rotary electrical tool is provided with a motor drive shaft inside. A planetary gear set which is jogged with a rotary seat is arranged on the other end of the motor drive shaft. The rotary seat is combined with an inner sleeve pipe and an outer sleeve pipe respectively. A push rod the external circumference of which is provided with an inclined guiding groove is arranged in the inner sleeve pipe, so that the guiding groove is clamped with the inner pin pole of the inner sleeve pipe. The inner sleeve pipe rotates synchronously when the rotary seat is driven by rotation so as to cause the push rod to generate reciprocating motion, and thus, the outer sleeve pipe is sheathed out of the inner sleeve pipe. Two stepped holes are both provided with a brass lining inside to ensure the inner sleeve pipe and the push rod to be driven lightly, and accordingly, the use of traditional hand-held electric tools can be widened.

Description

Rotatable reciprocation driving hand electric tool

The utility model is about a kind of electric hand tool structural design that has both rotation and linear reciprocation driving function, principal character is to make the two ends of the single motor drive shaft of this electric hand tool can be engaged in rotation respectively and linear reciprocation drives, so that manipulating of instrument of the same race not such as the moving bottle opener of power supply, electric drill, electric saw, file and graver.

Traditional electric hand tool design, with the electric screw driver is example, tie up to and establish a drive motor in the instrument, make this motor drive shaft one end transmission one chuck, utilize this chuck to cooperate the sealed mounting or dismounting of bottle opener for screw, this chuck also can cooperate that for example drill bit is sealed, further be for conversion into electric drill and use kenel, every in a word other assemblies that drive with rotation all can use arbitrarily, yet this type of electric hand tool, generally only provide the rotation type of drive to carry out operation, for driving other assemblies that carry out work, as saw blade with linear reciprocation, file, utensil such as graver or chisel then can not be suitable for, except that can making, professional manufactory waits with a chainsaw the electric tool, for the electronic hand-held tool of general small hand-held, still can't use so far, the user based on domestic type mostly still continues to use the manpower mode usually, this is not only time-consuming bothersome, also utmost point sense is painstaking, and then because of complex structure costs an arm and a leg, few people purchase use to relatively large electric tool.

For the above-mentioned reasons, the utility model provides a kind of structural design that has both the hand held electric tool of rotation and linear reciprocation driving function, it mainly ties up to the other end of the motor drive shaft of the hand-held rotating electric tool of tradition, the planet gear train that installing combines with the linear reciprocation driving element, thereby make this electric hand tool drive the driving element of both sides simultaneously, can do rotation and linear reciprocation driving work respectively, use occasion in various differences, for example bottle opener can be provided, turn assemblies such as drill bit use as electric screw driver or electric drill, simultaneously also can be for other as saw blade, file, graver, the chisel isoline drives the utensil that uses and uses, so that make these utensils also have the effect of electronic use, in the hope of improving structure from most economical aspect, obtain the actual benefit of one-object-many-purposes, promoting the practicality of traditional electric hand tool, is main purpose of the present utility model.

Simple declaration to accompanying drawing:

Fig. 1 schematically illustrates the utility model structure and shaft side figure that cut open a part.

Fig. 2 is the decomposition shaft side figure of structure shown in Figure 1.

Fig. 3 is for being used for the figure that saw blade describes when sealed to structure shown in Figure 1.

Fig. 4 is for being used for the figure that file describes when sealed to structure shown in Figure 1.

As shown in Figures 1 and 2, the utility model hand-held electric tool structure, mainly be provided with a drive motor 11 in an outer cover body 1 inside, shell extends to form a shank part 12, shank part 12 both sides respectively arrange a press button 13, for gripping convenient startup by arbitrary press button 13 control motor 11, the driving mechanism of this motor 11 is the end driving rotary chucks 21 with its driving shaft 111,21 of this chucks can cooperate needs clamping bottle opener 22(or other assemblies, such as drill bit), can be used as electric screw driver (or electric drill) and use, so part-structure is similar to the hand-held electric rotary hand-held tool of tradition, so namely will not describe in detail at this.

On the other end of the driving shaft 111 of motor 11, be provided with a planet gear train 31, this planetary gearsets 31 and a swivel base 32 are chimeric, and combine with an inner sleeve 33, push rod 34 and an outer tube 35 in order, constitute one and can carry out the linear reciprocation device driven.

Wherein, swivel base 32, the one side is provided with the protruded stigma 321 chimeric with planetary gearsets 31, and its opposite side has a columned end difference 322, offers a through hole 323 radially on this end difference 322;

Inner sleeve 33, be a hollow tubular body, the end difference 322 of its internal diameter and swivel base 32 is suitable, at outer wall end near its two mouth of pipe, offer a radial hole 331 respectively, 332, the corresponding wall position of one end radial hole 331 also be provided with a corresponding in opposite directions radial hole 331 ', the radial hole 331 of two correspondences, 331 ' corresponding with radially through hole 323 on swivel base 32 end differences 322, so that mat one pin 333 inserts fixed, 332 of another radial holes are used to put into short pin 334 urgent location, one end of this pin 334 is flushed with the outer wall of inner sleeve 33, and the other end then slightly protrudes from the inwall of inner sleeve 33;

Push rod 34, the one end is cylindric, make its diameter be slightly less than inner sleeve 33 internal diameters, on this cylindrical outer wall, be provided with oblique around guide groove 341, in addition, have a flat face 342 on the other end of push rod 34, and be extended with a protuberance 343, constitute the only locking of assembly (as assemblies such as saw blade, file, graver, chisels) top that set screw 345 supplies linear drives on the mat protuberance 343;

Outer tube 35, it is a stepped hollow tube, on the less end difference periphery of its front end, be provided with a prominent ring 351, its internal diameter then is two shoulder holes, the port of the big end difference in rear end then has one and enlarges mouth 352, in addition, two shoulder holes are respectively for the brass 354 that holds a tubular brass 353 and a D shape caliber, in order to the smooth driving of inner sleeve 33 with push rod 34 to be provided;

Utilize above-mentioned member, mainly make swivel base 32 be embedded in planetary gearsets 31, and with inner sleeve 33 wedgings, mat pin 333 gives fixed, simultaneously push rod 34 is placed in the inner sleeve 33, make the tip post 334 on the inner sleeve 33 can be along guide groove 341 activities of push rod 34, to place in conjunction with inner sleeve after finishing 33 and push rod 34 so again and be provided with brass 353, sleeve pipe 35 inside outside 354, it is when Motor Drive, the running of mat planetary gearsets 31, make inner sleeve 33 rotate freely, and because the inner sleeve 33 of push rod 34 is subjected to ordering about of pin 334, be linearly to move back and forth (shown in the 3rd figure), so, when push rod 34 and a saw blade 36 lockings, can manipulate as power saws, utilize the linear reciprocating motion of saw blade 36 so that be engaged in sawed-off operation, when locked component changes is that file 37(is shown in the 4th figure), then by same operation principle and action, also can be used as electric file uses, in addition, all other suitable assemblies (as work packages such as graver and chisels) with straight reciprocating motion work all can be used in combination then when needed and be nothing difficult.

When adopting the utility model, the electric motor driven power transmission shaft 111 of reason is two ends transmissions simultaneously, so for guaranteeing user's safety, configurable upper shield 38(this moment, saw blade 36 must unload earlier), the anxiety of touching is arranged when avoiding using electric screw driver, otherwise, when making with a chainsaw, from also can be, and be to manage facility when being used at the set press button 13 in shank part 12 both sides at the sheathed upper shield of an end of electric screw driver (unloading sub-component) in advance.

In addition; about combining of the utility model outer tube 35 and outer cover body 1; can take the sealed or integrated molding making of separate type on the implementation; and this suites of measure belongs to general skill; for example: offer lockhole at outer tube 35 with the binding end of outer cover body 1 and locked, or obtain to screw fixed effect etc., consider that this part combination do not include scope of patent protection in the negative and positive threaded engagement; therefore, also need not to give unnecessary details.

In sum, the utility model designs very reasonable and is suitable for practicality, structure is formed quite simple and novel, truly have obvious effect to improve for traditional electric hand tool, its purposes is more widened, the utmost point is suitable for family to be used, and makes common electric hand tool increase multiple different effect.

Claims (3)

1, a kind of electric hand tool structure of rotatable and reciprocal driving, mainly in a shell body, establish one group of drive motor, this housing is extended with a shank part, and establish the startup of press button control motor at this shank part, this motor drive shaft one end combines with rotary drive assembly, use as electric screw driver or electric drill, it is characterized in that:

The other end at above-mentioned motor drive shaft is provided with a planet gear train, combines with a swivel base, inner sleeve, push rod, outer tube by making it, constitutes a reciprocating drive unit, wherein:

Make a side and the planetary gearsets of swivel base chimeric, make its opposite side have an end difference, on this end difference, offer a through hole radially;

Inner sleeve is a hollow tube, and the end difference that makes one end and swivel base is wedging mutually, and realizes combination with a latch, establish a radial hole at the chosen place of its other end, to use the urgent location of a pin, pin one end and inner sleeve outer wall are trimmed, the other end suitably protrudes from inwall;

One end of push rod is cylindric, be located in the inner sleeve, and on this columned outer wall, offer oblique around guide groove, and the other end cording of push rod has a flat face, extends a protuberance simultaneously, on this protuberance, be provided with for the sealed screw of linear drives assembly,

Outer tube is a ladder hollow tube, and its internal diameter also presents two shoulder holes, and the port of big end difference has an expansion mouth in its back-end, and is located at two shoulder holes respectively with a tubular brass.

2, electric tool structure as claimed in claim 1 is characterized in that being provided with a prominent ring on this outer tube front end end difference periphery, so that the installation of upper shield location.

3, electric tool structure as claimed in claim 1 is characterized in that described shell body shank part both sides are respectively equipped with a press button, can be by the wherein startup of arbitrary press button control motor.

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