CN101112757B - Power tool equipped with light - Google Patents
Power tool equipped with light Download PDFInfo
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- CN101112757B CN101112757B CN2007101373184A CN200710137318A CN101112757B CN 101112757 B CN101112757 B CN 101112757B CN 2007101373184 A CN2007101373184 A CN 2007101373184A CN 200710137318 A CN200710137318 A CN 200710137318A CN 101112757 B CN101112757 B CN 101112757B
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- lamp unit
- shell
- hammer
- patchhole
- electric tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
- B25F5/021—Construction of casings, bodies or handles with guiding devices
Abstract
A power tool includes a main housing extending in a first direction, a motor accommodated in the main housing, a hammer case configured to be adjacent to the main housing and have an outer peripheral surface, an end-tool holding part, a driving-force transmitting mechanism accommodated in the hammer case and configured to transmit the driving force to the end-tool holding part, a handle housing connected to the main housing, a trigger switch provided at the handle housing and adjacent to the hammer case and configured to control power supply to the motor, a light-unit mounting part provided at the outer peripheral surface of the hammer case and formed integrally with the hammer case and formed with an insertion hole and with a slit, a light unit accommodated in the insertion hole, and a cover covering the outer peripheral surface of the hammer case. A protective cover is made of elastic materials and the peripheral part of the protective cover covers the peripheral surface of the hammer case. A protruding part of the protective cover is formed with a window. The light unit inserts the insertion hole from the front side of the insertion hole. The protective cover is located in front of the light unit.
Description
Technical field
The present invention relates to a kind of electric tool, and specifically, the present invention relates to a kind of electric tool with the lamp that is used to shine end tool and workpiece.
Background technology
The electric tool such as impulse drive means of outfit lamp known in the art.United States Patent (USP) the 7th, 185, No. 998 (disclosing 2003-211374 number corresponding to Japanese patent application) discloses a kind of electric tool, and this electric tool comprises: the shell that holds motor; The holding member that keeps end tool to use; With the hammer shell, it is used to hold the beater mechanism that the driving force of motor is sent to holding member.This electric tool also disposes light emitting diode (LED) or other light source in irradiation electric tool the place ahead, so that: the position in dark can not have and carry out work difficultly safely.
Summary of the invention
The light source of electric tool that comprises LED or other lamp is installed in the front portion of the anterior of shell or hammer shell as a unit or assembly (being called " lamp unit " hereinafter).
Yet when using electric tool in the job site or during the storage electric tool, can expect: because electric tool collides with workpiece or falls, the lamp unit can receive unexpected impact.
Therefore, a target of the present invention is to provide a kind of electric tool, and it can prevent because the damage to the lamp unit that unexpected impact is caused.
Another target of the present invention is to provide a kind of electric tool, and it has the structure that is used for the lamp unit securely is installed in the main body of electric tool.
Of the present invention this will utilize a kind of electric tool with other target, and said electric tool comprises: main shell; Motor; The hammer shell; The end tool retaining part; The driving force connecting gear; Handle casing; Trigger; Mounting portion, lamp unit; The lamp unit; With single lid.This main shell extends along first direction.This motor is contained in the main shell, and is configured to produce driving force.This hammer shell is set to contiguous main shell, and has outer surface.This end tool retaining part is configured to keep end tool.This driving force connecting gear is accommodated in the hammer shell.This driving force connecting gear is configured to driving force is sent to the end tool retaining part.This handle casing is connected to main shell.Extend with the second direction that first direction intersects on this handle casing edge.This trigger is set at handle casing place and contiguous hammer shell.This trigger is configured to control the power supply to motor.This mounting portion, lamp unit is set at the outer surface place of hammer shell, and integrally forms with the hammer shell.This mounting portion, lamp unit is formed with patchhole and slit.This lamp unit is accommodated in and inserts in the hole.This lamp unit has the bonding part of engagement slot.This lid covers the outer surface of hammer shell, and holds mounting portion, lamp unit and lamp unit.Over cap is processed by elastomeric material and the periphery of over cap covers the outer surface of hammering shell into shape, and the ledge of over cap is formed with window.The lamp unit inserts patchhole from the front side of patchhole, and over cap is positioned at the front side of lamp unit.
Description of drawings
Among the figure:
Fig. 1 is the perspective view of the impulse drive means (impact driver) according to first embodiment of the invention;
Fig. 2 is the viewgraph of cross-section along the line II-II among Fig. 1, has shown the internal structure of impulse drive means;
Fig. 3 is the perspective view of the impulse drive means among the Fig. 1 that is presented under the removed state of protective device;
Fig. 4 is the perspective view with hammer shell of the impulse drive means that is used for Fig. 1 that the lamp unit is installed;
Fig. 5 is a decomposition diagram, has shown to be used for the lamp unit is installed in the structure on the hammer shell of the impulse drive means that is used for Fig. 1;
Fig. 6 is when the side view of watching the hour hammer shell from direction VI shown in Figure 4;
Fig. 7 is when the side view of watching the hour hammer shell from direction VII shown in Figure 4;
Fig. 8 is the viewgraph of cross-section along the retainer parts of the line VIII-VIII shown in Fig. 6;
Fig. 9 is the perspective view of the retainer parts among Fig. 8;
Figure 10 is the decomposition diagram that shows according to the impulse drive means of second embodiment of the invention;
Figure 11 is the perspective view of the hammer shell of the impulse drive means among Figure 10, and wherein the hammer shell is installed in the lamp unit;
Figure 12 is a decomposition diagram, has shown to be used for the lamp unit is installed in the structure on the hammer shell of impulse drive means of Figure 10;
Figure 13 is the part side viewgraph of cross-section according to the impulse drive means of third embodiment of the invention;
Figure 14 is arranged on hammer shell on the impulse drive means along the cross-sectional view strength of X-Y plane among Figure 13;
Figure 15 is the side view of hammer shell;
Figure 16 A is the rearview of light cover that is used for the impulse drive means of Figure 13;
Figure 16 B is the side view of light cover that is used for the impulse drive means of Figure 13;
Figure 16 C is the front view of light cover that is used for the impulse drive means of Figure 13;
Figure 17 A is the side view that first half point of light cover is uncapped, and wherein the shadow region has shown the surface of uncapping and combining with second half point shown in Figure 17 B;
Figure 17 B is the side view that second half point of light cover is uncapped, and wherein the shadow region has shown the surface of uncapping and combining with first half point shown in Figure 17 A; And dotted line has shown lamp and lead-in wire during being installed in second half point uncaps;
Figure 18 is the side view of the impulse drive means among Fig. 1, shown especially around the zone of hammer shell, and illustrated the state before the hammer shell is installed in the lamp unit; With
Figure 19 is the side view with the part cross section that is used to show the zone shown in Figure 18, illustrated wherein that the lamp unit has been installed to the hammer shell and over cap has been placed on the state of hammering into shape on the shell with protecgulum.
The specific embodiment
< first embodiment >
Referring to figs. 1 through Figure 12, with the electric tool of describing according to the first embodiment of the present invention.In following description and accompanying drawing, statement " preceding ", " back ", " on ", D score, " right side " and " left side " only be used to describe purpose.
At first, will be referring to figs. 1 through basic structure and the operation of 3 descriptions as the impulse drive means 1 of electric tool instance.Shown in figure, this impulse drive means 1 has the shell 2 and hammer shell 3 of the external frame that constitutes impulse drive means 1.This shell 2 comprises: the main body 2A that shape is roughly cylindrical shape and extends along front-rear direction; With handle portion 2B, handle portion 2B combines in side view, to form roughly T type with main body 2A.These hammer shell 3 shapes are roughly cylindrical shape and are formed by aluminium alloy.This hammer shell 3 is set at the front end place of shell 2.
As illustrated in fig. 1 and 2, guide sleeve 3A is set on the front end of hammer shell 3.Protective device 21 is configured to be used to cover the exterior circumferential of the hammer shell 3 and the lamp unit 15 of back description.This holding device 21 is formed by the lightweight material such as artificial rubber (elastomer).This protective device 21 comprises: the periphery 21P with general cylindrical shape shape; With box-like bag parts 21A (lamp unit accommodating section branch), box-like bag parts 21A and periphery 21P integrally form, and to lower process (radially outward), to be used to hold lamp unit 15.This protective device 21 is fixed to hammer shell 3 by the brake component (stopper) 22 that is formed by the elastomeric material such as rubber.
As shown in Figure 2, the motor 4 that is used as the drive source of impulse drive means 1 is accommodated among the main body 2A of shell 2.This motor 4 has the output shaft 4a that is used to export revolving force.This hammer shell 3 holds: planetary gears 5, and it is with the reducing gear that acts on the rotary speed that reduces motor 4; With the beater mechanism (not shown), it is used for converting the rotation of the motor that is reduced by planetary gears 54 into rotary impact power, and this power is sent to the end tool (not shown).This beater mechanism comprises main shaft (spindle) 16, hammer 17, ball 18, spring 19 and anvil (anvil) 20 (end tool retaining part).This beater mechanism will be described in the back in more detail.
When the user connected trigger 6, motor 4 was activated.At this moment, after being slowed down by planetary gears 5, the rotation of the output shaft 4a of motor 4 is sent to main shaft 16, and driving main shaft 16 is rotated with fixing speed.This main shaft 16 is connected with hammer 17 by cam mechanism.This cam mechanism disposes: the V-type spindle cam groove 16a that in the outer surface of main shaft 16, forms; The V-type process of malleus race 17a that in the inner surface of hammer 17, forms; With the ball 18 that is bonded among spindle cam groove 16a and the process of malleus race 17a.
This spring 19 is consistently along forwards hammering 17 into shape to compressing.During idle condition (idle state), utilize engaging of ball 18 and spindle cam groove 16a and engaging of ball 18 and process of malleus race 17a, the gap is formed between hammer 17 and the anvil 20.This hammer 17 has a pair of projection 17P, a pair of projection 17P about the position of rotation RA symmetry from hammering 17 surperficial 17S projection into shape.This anvil 20 has a pair of arm 20A, and a pair of arm 20A extends radially outwardly in the position about rotation RA symmetry.End tool (not shown) such as drill bit is installed to anvil 20 separably.
When main shaft 16 was actuated to the rotation of afore mentioned rules speed, this cam mechanism was sent to hammer 17 with the rotation of main shaft 16.Before hammer 17 was accomplished half rotation, the projection 17P of hammer 17 engaged with the arm 20A of anvil 20, thus rotation anvil 20.Yet when the reaction force that when this engages, produces produced rotation relatively between hammer 17 and anvil 20, these hammer 17 beginnings towards motor 4 withdrawals, were compressed spring 19 along spindle cam groove 16a simultaneously.
When the projection 17P of hammer 17 slipped over the arm 20A of anvil 20, because the withdrawal of hammer 17, projection 17P and arm 20A broke away from each other.Then, the elastic energy of spring 19 and the operation of cam mechanism are added to the revolving force of main shaft 16, make hammer 17 along direction of rotation with along forwards to quick acceleration, and the forces of spring 19 travels forward hammer 17 simultaneously.The projection 17P of this hammer 17 engages with the arm 20A of anvil 20 once more, this hour hammer 17 and anvil 20 beginnings rotation together.Strong rotary impact power is applied to anvil 20 at this moment, and is sent to the screw (not shown) through the end tool that is installed in the anvil 20.
Owing to after this repeat aforesaid operations, this rotary impact power intermittently with repeatedly be sent to screw from end tool, screw-driven is gone in timber or other workpiece (not shown).
Shown in Fig. 2 and 3, this lamp unit 15 is installed in the position at the guide sleeve 3A rear on trigger 6 the place aheads that are arranged under the hammer shell 3 and the front end that is arranged on hammer shell 3.
Below will describe the structure that is used to install lamp unit 15 in detail with reference to Fig. 4 to Fig. 9.
As shown in Figure 5, before trigger 6 with guide sleeve 3A after the position, the lower front end projection of the hammer shell 3 of rib 3B (mounting portion, lamp unit, jut).Screw hole 3b-1 forms to pass rib 3B along the L-R direction.
These retainer parts 25 are by Unitarily molded the forming of transparent resin such as acrylic acid (acrylic).These retainer parts 25 have: block-shaped main body 25A, wherein be formed with the rectangle spatial accommodation 25a of split shed at the top of main body 25A and on the L-R direction elongated and on front-rear direction narrow slot form mating groove 25b.Two leg portion 25B and 25C in the right side of main body 25A and left side from the surface of main body 25A projection integrally.Circular port 25c forms to pass leg portion 25B along the L-R direction.
As shown in Figure 9, retaining part 25d integrally is arranged on the end of leg portion 25C, so that leg portion 25C and retaining part 25d form L shaped shape in vertical view.Horizontally extending two mating groove 25d-1 are formed in the side end face of retaining part 25d in the position, upper and lower of retaining part 25d along front-rear direction.
The ground that is described below, this lamp unit 15 are installed on the lower front end of hammer shell 3.At first, as shown in Figure 5, this substrate 23 (with chip LED 24 and lead-in wire 12) is inserted the slot form mating groove 25b of retainer parts 25, so that LED 24 is accommodated in (also referring to Fig. 9) among the spatial accommodation 25a from the top.
Next, keep the retainer part 25 of substrate 23 and LED 24 to be installed on the rib 3B.More particularly, this rib 3B is installed between two the leg portion 25B and 25C of retainer parts 25; And screw 26 is inserted into and passes the hole 25c that is formed among the leg portion 25B, and is screwed into the screw hole 3b-1 that is formed among the rib 3B.
As shown in Figure 7, when lamp unit 15 is installed in rib 3B (that is, the lower front end of hammer shell 3) when lasting by this way, extend from substrate 23 two go between and 12 are fitted into and are fixed on two mating groove 25d-1 (also referring to Fig. 9).
Utilize this structure, impulse drive means 1 can be used to carry out the operation in the dark area, such as under the floor or in loft.Through opening the switch (not shown) with through circuit board 10 and lead-in wire 12, electric power when battery 13 is fed to lamp unit 15, is penetrated end tool and workpiece (not shown) from the illumination of LED 24 irradiations, thereby made the user efficiently and not have difficultly and to work.
In the impulse drive means 1 according to present embodiment, retainer part 25 is used to lamp unit 15 is installed on the rib 3B.As stated, this rib 3B before trigger 6 with the front end that is arranged on hammer shell 3 on guide sleeve 3A after the position, from hammering the lower front end projection of shell 3 into shape.Therefore, the location of lamp unit 15 makes the brightness irradiation target of low-energy little LED 24 with abundance more near end tool and workpiece as the irradiation target.Therefore, lamp unit 15 can be made forr a short time and be compacter.
Utilization is inserted substrate 23 the slot form mating groove 25b through the top from retainer part 25 according to the impulse drive means 1 of present embodiment simply, and little LED 24 easily is installed in the retainer parts 25.Then, use screw 26, retainer parts 25 can easily and be installed on the rib 3B of hammer shell 3 reliably.
In addition, 12 fit among two upper and lower mating groove 25d-1 through going between, this substrate 23 is prevented from from retainer parts 25 to float.Therefore, need not screw or other securing member is fixed to retainer parts 25 with substrate 23, thereby reduced the number of said parts and reduced manufacturing cost.
< second embodiment >
To Figure 12, below will describe electric tool according to a second embodiment of the present invention with reference to Figure 10, wherein: like and element are indicated avoiding by same reference numerals and are repeated in this description.
In a second embodiment, on the rib 3B that retainer parts 25 is coupled to hammer shell 3, keep the retainer parts 25 of substrate 23 and LED 24 to be attached to hammer shell 3.At first, shown in figure 11 through simply rib 3B being engaged between the leg portion 25B and 25C of the retainer parts 25 shown in Figure 12, adopt a step, retainer parts 25 just can be installed on the rib 3B easily.In other words, do not use securing member in the present embodiment such as screw.
After being installed in retainer parts 25 on the rib 3B as described above, the protective device 21 shown in Figure 10 covers and maintenance retainer parts 25.Specifically, bottom rib shape directs part 21B is integrally formed among bag parts 21A, from the inboard lower surface of bag parts 21A to upper process.Similarly, top rib shape directs part 21C is integrally formed among bag parts 21A, from the inside upper surface of bag parts 21A to lower process.
The retainer parts 25 that are installed on the rib 3B that hammers shell 3 into shape fit among the bag parts 21A of protective device 21 along guiding piece 21B and 21C.Therefore, this bag parts 21A covers and keeps retainer parts 25, and the lower surface of retainer parts 25 holds and be supported on the lower guide 21B, and the upper face of retainer parts 25 holds and is supported on the upper guides 21C.
According to second embodiment, except the effect of above-mentioned first embodiment, adopt a step, retainer parts 25 can easily be installed and be assemblied on the rib 3B of hammer shell 3, and can be kept reliably by protective device 21.Therefore, prevented that reliably retainer parts 25 break away from rib 3B.
< the 3rd embodiment >
With reference to Figure 13 to Figure 19, with the electric tool of describing a third embodiment in accordance with the invention, wherein: like and element are indicated avoiding by same reference numerals and are repeated in this description.
Figure 13 has shown the impulse drive means 51 according to the 3rd embodiment.Shown in figure 13, this impulse drive means 51 comprises: main shell 52, being shaped as general cylindrical shape and extending on front-rear direction along the rotation X of DC motor 54 of main shell 52; Handle casing 53, it combines with main shell 52, and extend with the vertical Y direction or the edge of bearing of trend (X-direction) quadrature of main shell 52 become special angle θ with the Y direction Z direction on the edge; With hammer shell 64, hammer shell 64 is bell and holds beater mechanism.This main shell 52 utilizes the screw (not shown) to be coupled to hammer shell 64.Battery-pack exterior casing part (not shown) is set in the bottom of handle casing 53; And the battery pack (not shown) is installed in the battery-pack exterior casing part.
52 rear end is to front end along directions X from main shell, and main shell 52 holds motor 54 and reducing gear 56.This reducing gear 56 comprises: ratch (pinion) 56a that is used as the output shaft of motor 54; With the planetary gear 56b that engages with ratch 56a.
This hammer shell 64 holds beater mechanism 57 and anvil iron 58, and anvil iron 58 is accepted impulsive force and rotation from beater mechanism 57.This beater mechanism 57 comprises: main shaft 57a is used to send the revolving force from reducing gear 56; Helical spring (coil spring) 57b, helical spring 57b is around the outer surface setting of main shaft 57a; With hammer 57c, it utilizes the action of helical spring 57b to generate impulsive force.End tool retaining part 66 is set on the front end of anvil iron 58, is used for installing separably drill bit (drill bit) (not shown) or other end tool.The end tool of this drill bit or expectation can be inserted end tool retaining part 66 and be clipped in wherein.Over cap 59 comprises: the periphery 59A that covers the exterior circumferential surface of hammer shell 64; With jut 59B, it, is used to hold the lamp unit accommodating section and divides 64a and lamp unit 60 to lower process (radially outward) from periphery 59A.This over cap 59 is formed by the elastomeric material such as rubber.Protecgulum 65 is coupled on the front end of hammer shell 64, is used to prevent that over cap 59 is not in place.
Adopt this structure, as parts of hammer shell 64, this lamp unit accommodating section divides 64a (lamp unit installing component) integrally to be arranged on the lip-deep position of lower, outer perimeter of hammer shell 64.Lamp unit (lamp assembly) 60 is installed in the lamp unit accommodating section and divides among the 64a.For example, this lamp unit 60 comprises the light-emitting component 62 that LED forms.As will be described later, the optical axis of light-emitting component 62 is conditioned, so that: light-emitting component 62 light shines the place ahead and a left side and the right side of end tool retaining part 66.Further, this light-emitting component 62 is accommodated in as far as possible the position near rotation X.Operate synchronously with " unlatching " of trigger 55, this light-emitting component 62 light shines the place ahead and a left side and the right side of end tool retaining part 66, and impulse drive means 51 can be used in the working region of dark.
Shown in figure 13, this lamp unit 60 comprises: the light cover 61 that the back is described (referring to Figure 16 A to 16C); The light-emitting component of forming by LED or analogue 62; With lead-in wire 63, lead-in wire 63 is electrically connected to the power supply circuits that are arranged in the handle casing 53 with light-emitting component 62.Shown in figure 14, in the lip-deep position of lower, outer perimeter of hammer shell 64, hold the lamp unit accommodating section of lamp unit 60 and divide 64a and hammer shell 64 integrally to form.
Shown in figure 14, patchhole (nest or the seat) 64b (sunk part) that is used for holding lamp unit 60 is formed on lamp unit accommodating section part 64a.This patchhole 64b has interior perimeter surface 64i.Shown in figure 15, slit 64c is formed on the lamp unit accommodating section along front-rear direction and divides among the 64a.This slit 64c divides the whole jut of 64a along direction of insertion extend through lamp unit accommodating section, and wherein lamp unit 60 inserts among the patchhole 64b along said direction of insertion.
To shown in the 17A, the light cover 61 of forming the part of lamp unit 60 has bonding part (jut) 61c like Figure 16 A.This light cover 61 also has outer surface 61s.When the main body of lamp unit 60 is inserted into when being formed on the lamp unit accommodating section and dividing among the patchhole 64b among the 64a, this bonding part 61c is sliding engaged to slit 64c simultaneously.At this moment, the outer surface 61s of light cover 61 slides on the interior perimeter surface 64i of patchhole 64b.Bonding part (hook portion) 61f is set on the rear end of bonding part 61c.Shown in figure 19, when light cover 61 was inserted among the patchhole 64b fully, bonding part 61f divided the rear wall parts 64f of 64a to engage with the lamp unit accommodating section, divides among the 64a thereby light cover 61 is fixed on the lamp unit accommodating section.
Shown in Figure 17 A and 17B, form this light cover 61 through combining first half point to open (half-split) lid 61a (shown in Figure 17 A) and second half point 61b (shown in Figure 17 B) that uncaps.Attention: the shadow region among Figure 17 A and the 17B has shown the half point mating surface between 61a and the 61b of uncapping.Shown in Figure 17 B, at first, light-emitting component 62 is disposed in and is formed on second half point and uncaps among lamp patchhole (sunk part) 61e among the 61b, and goes between and 63 be drawn out of through fairlead 61d.Next, first half point 61a that uncaps is placed on second half point and uncaps on the 61b, and formation can be inserted the lamp unit accommodating section and divided the light cover 61 among the patchhole 64b of 64a.At this moment, the optical axis of light-emitting component 62, i.e. the central axis B of lamp patchhole 61e, the central axis A that is adjusted to respect to light cover 61 becomes predetermined angular θ a.
Shown in Figure 18 and 19,, be inserted in the lamp unit accommodating section by light-emitting component 62, lead-in wire 63 and the lamp unit 60 that constitutes of light cover 61 and divide among the patchhole 64b that forms among the 64a according to following process.
At first, shown in figure 18, the lead-in wire 63 of lamp unit 60 passes the lamp unit accommodating section and divides the slit 64c among the 64a to insert, and divides the rear portion of 64a to extract from the lamp unit accommodating section.
Then, shown in figure 19, the main body of lamp unit 60 is inserted among the patchhole 64b.At this moment, the bonding part 61c of lamp unit 60 slips into slit 64c.When light cover 61 inserted patchhole 64b always, this bonding part 61f divided the rear wall section 64f of 64a to engage with the lamp unit accommodating section, thereby as first holding member.Further, because the position of slit 64c and rear wall section 64f fixed engagement part 61c, this lamp unit 60 can be to divide the position relation of 64a regulation to be received with the lamp unit accommodating section.
After the main body of lamp unit 60 had been inserted among the patchhole 64b, the over cap 59 that is formed by rubber or other elastomeric material was assembled on the hammer shell 64.The jut 59B of over cap 59 is formed with window (hole), and the diameter D2 of said window is less than the diameter D1 of patchhole 64b.Therefore, when the lamp unit accommodating section that is assemblied in hammer shell 64 divided 64a to go up, this over cap 59 can improve light-emitting component 62 is remained on the reliability among the patchhole 64b.After over cap 59 was installed, protecgulum 65 was attached to the fore-end of hammer shell 64, thereby did not prevent to keep covering 59 in place.Therefore, over cap 59 and protecgulum 65 usefulness act on second holding member of lamp unit 60.
Utilize said structure, in the time of in being inserted into patchhole 64b, this lamp unit 60 can be accurately positioned, thereby obtains predetermined irradiation angle.Further, shown in figure 19, the bonding part 61f of light cover 61 divides 64a to engage with the lamp unit accommodating section of hammer shell 64, prevents that lamp unit 60 from deviating to the place ahead from patchhole 64b.
Further, divide among the 64a and lamp unit 60 can be positioned near the rotation X and the front end of impulse drive means 51, therefore can increase the range of exposures of light-emitting component 62 because light-emitting component 62 can be arranged on the lamp unit accommodating section of hammer shell 64.Or rather, for the screw of the different length supporting to be driven by end tool and the end tool of different length, eliminate the shade that the main body by impulse drive means 51 forms simultaneously, illumination component 62 can shine broader region.
Further, form light cover 61 with elastomeric material and can reduce vibrating effect that produces in the main body of impulse drive means 51 and the heat that in hammer shell 64, produces.Further, this over cap 59 is made up of elastomeric material, and said elastomeric material can be such as absorbing accidental shock in impulse drive means 51 during with the workpiece collision, thereby prevented the lamp unit accommodating section is divided the damage of 64a or lamp unit 60.
Further; Owing to divided 64a and bonding part 61c to fix by the lamp unit accommodating section according to lamp of the present invention unit 60; And thereby do not need screw; Therefore divide 64a through making bonding part 61f break away from the lamp unit accommodating section, lamp unit 60 can easily be removed from hammer shell 64, thereby helps changing light-emitting component 62.Through using plug and socket to be used for the method for the distribution of light-emitting component 62, can also simplify the connection and the installation of electronic unit as connection.
Though with reference to specific embodiment the present invention is described in detail, under the situation that does not deviate from the spirit and scope of the present invention, those skilled in the art can make various changes and modifications the present invention.
In the above-described embodiments, though the present invention is applied to the wireless impulse drive means of configuration rechargeable battery, the present invention also can be applicable to have the impulse drive means of electric wire.In addition, clearly: the present invention is not limited to impulse drive means, and also can be applicable to the electric tool such as the broad range of ail gun.
Claims (9)
1. electric tool, said electric tool comprises:
Main shell along the first direction extension;
Motor, said motor is accommodated in the main shell, and is configured to produce driving force;
Hammer shell, said hammer shell are set to contiguous main shell, and have outer surface;
The end tool retaining part, said end tool retaining part is configured to keep end tool;
Be contained in the driving force connecting gear in the hammer shell, said driving force connecting gear is configured to driving force is sent to the end tool retaining part;
Be connected to the handle casing of main shell, extend with the second direction that first direction intersects on said handle casing edge;
Be arranged on the trigger of handle casing place and contiguous hammer shell, said trigger is configured to control the power supply to motor;
Mounting portion, lamp unit, mounting portion, said lamp unit are set at the outer surface place of hammer shell, and integrally form with the hammer shell, and mounting portion, said lamp unit is formed with patchhole and slit;
Be contained in the lamp unit that inserts in the hole, said lamp unit has the ledge of outer surface and and engagement slot outstanding from outer surface; With
Over cap, said over cap covers the outer surface of hammer shell, and holds mounting portion, lamp unit and lamp unit;
Wherein, said over cap is processed by elastomeric material and the periphery of said over cap covers the outer surface of hammering shell into shape, and the ledge of said over cap is formed with window; And
Said lamp unit inserts said patchhole from the front side of patchhole, and said over cap is positioned at the front side of lamp unit.
2. electric tool according to claim 1, wherein: said lid comprises:
Cover the periphery of the outer surface of hammer shell; With
Lamp unit accommodating section branch, said lamp unit accommodating section divide from periphery projection radially outward, thereby hold mounting portion, lamp unit and lamp unit.
3. electric tool according to claim 1, wherein: mounting portion, said lamp unit has the sunk part that holds the lamp unit.
4. electric tool according to claim 3, wherein: said patchhole is arranged on said depressed part office.
5. electric tool according to claim 4, wherein: said patchhole has first diameter; And
Wherein: said lid has opening, and second diameter of said opening is littler than first diameter;
The lamp unit inserts said patchhole from the front side of sunk part.
6. electric tool according to claim 4, wherein: said lamp unit comprises: light-emitting component; With light cover with outer surface;
Wherein: said patchhole has interior perimeter surface; With
Wherein: said lamp unit is inserted into and inserts in the hole, so that the outer surface of said light cover slides on the interior perimeter surface of patchhole.
7. electric tool according to claim 1, wherein: said hammer shell is made of metal.
8. electric tool according to claim 1, wherein: said lid is processed by elastomeric material.
9. electric tool according to claim 1, wherein: said motor has the output shaft that extends along axis direction;
Wherein: main shell, hammer shell and end tool retaining part arrange along axis direction, so that: said end tool retaining part is positioned in the place, front side and main shell is positioned in the rear side place; With
Wherein: said lamp unit is configured to illuminate the front side at least of end tool retaining part.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006202746A JP4936213B2 (en) | 2006-07-26 | 2006-07-26 | Electric tool |
| JP2006-202746 | 2006-07-26 | ||
| JP2006202746 | 2006-07-26 | ||
| JP2006243170 | 2006-09-07 | ||
| JP2006-243170 | 2006-09-07 | ||
| JP2006243170A JP4923883B2 (en) | 2006-09-07 | 2006-09-07 | Electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101112757A CN101112757A (en) | 2008-01-30 |
| CN101112757B true CN101112757B (en) | 2012-05-30 |
Family
ID=39021369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101373184A Active CN101112757B (en) | 2006-07-26 | 2007-07-20 | Power tool equipped with light |
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| Country | Link |
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| JP (1) | JP4936213B2 (en) |
| CN (1) | CN101112757B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11772245B2 (en) | 2020-02-24 | 2023-10-03 | Milwaukee Electric Tool Corporation | Impact tool |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8421375B2 (en) | 2007-06-25 | 2013-04-16 | Ingersoll-Rand Company | Amplification circuit and heat sink used with a light emitting apparatus having varying voltages |
| DE102008001251A1 (en) * | 2008-04-18 | 2009-10-22 | Robert Bosch Gmbh | Hand-held power tool e.g. angle grinder has covering part that is formed as protector part while having central section and lateral dome sections |
| DE102011121432A1 (en) * | 2011-12-16 | 2013-06-20 | Robert Bosch Gmbh | Tool with motion sensor |
| JP6085225B2 (en) | 2013-06-27 | 2017-02-22 | 株式会社マキタ | Screw tightening electric tool |
| US10486291B2 (en) * | 2014-11-12 | 2019-11-26 | Ingersoll-Rand Company | Integral tool housing heat sink for light emitting diode apparatus |
| JP6416664B2 (en) * | 2015-03-09 | 2018-10-31 | 株式会社マキタ | Rotating hammer tool |
| CN106826701A (en) * | 2015-12-03 | 2017-06-13 | 筌诚机械股份有限公司 | The trigger gear of power tool |
| JP6335345B2 (en) * | 2017-01-25 | 2018-05-30 | 株式会社マキタ | Screw tightening electric tool |
| WO2020230454A1 (en) | 2019-05-10 | 2020-11-19 | 日東工器株式会社 | Portable machine tool |
| WO2023234186A1 (en) * | 2022-05-31 | 2023-12-07 | 工機ホールディングス株式会社 | Working machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5158354A (en) * | 1990-02-07 | 1992-10-27 | Spiranyl S.A.R.L. | Device for screwing and unscrewing screws, bolts and nuts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03100119U (en) * | 1990-01-30 | 1991-10-18 | ||
| US5412546A (en) * | 1994-07-20 | 1995-05-02 | Huang; Chen S. | Power wrench |
| US5772308A (en) * | 1997-02-20 | 1998-06-30 | Lin; Chang-Ming | Lamp circuit assembly of a screwdriver |
| JP2002301669A (en) * | 2001-04-05 | 2002-10-15 | Makita Corp | Power tool |
| JP3998920B2 (en) * | 2001-04-16 | 2007-10-31 | 株式会社マキタ | Electric tool lighting device |
| TWM243309U (en) * | 2003-05-13 | 2004-09-11 | Mobiletron Electronics Co Ltd | Lighting/illuminating structure for electric screwdriver |
| US20050194166A1 (en) * | 2003-06-10 | 2005-09-08 | Goodti Industrial Co., Ltd. | High torque electromotive tool |
| JP4122300B2 (en) * | 2004-01-13 | 2008-07-23 | 株式会社マキタ | Impact tool |
| JP4399866B2 (en) * | 2005-07-28 | 2010-01-20 | 日立工機株式会社 | Electric tool |
| JP5002999B2 (en) * | 2006-03-30 | 2012-08-15 | マックス株式会社 | Electric tool with illumination light |
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2006
- 2006-07-26 JP JP2006202746A patent/JP4936213B2/en active Active
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2007
- 2007-07-20 CN CN2007101373184A patent/CN101112757B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5158354A (en) * | 1990-02-07 | 1992-10-27 | Spiranyl S.A.R.L. | Device for screwing and unscrewing screws, bolts and nuts |
Non-Patent Citations (1)
| Title |
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| JP特开2005-40934A 2005.02.17 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11772245B2 (en) | 2020-02-24 | 2023-10-03 | Milwaukee Electric Tool Corporation | Impact tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008030126A (en) | 2008-02-14 |
| JP4936213B2 (en) | 2012-05-23 |
| CN101112757A (en) | 2008-01-30 |
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