CN102601778B - Rechargeable power tool - Google Patents

Rechargeable power tool Download PDF

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Publication number
CN102601778B
CN102601778B CN201210016463.8A CN201210016463A CN102601778B CN 102601778 B CN102601778 B CN 102601778B CN 201210016463 A CN201210016463 A CN 201210016463A CN 102601778 B CN102601778 B CN 102601778B
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China
Prior art keywords
mentioned
root
power tool
assembly
rechargeable power
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Application number
CN201210016463.8A
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Chinese (zh)
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CN102601778A (en
Inventor
长坂英纪
熊谷龙之助
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Makita Corp
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Makita Corp
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Abstract

The invention provides rechargeable power tool, even if when being applied with impulsive force to handle portion, also can prevent circuit substrate from damaging.Rechargeable power tool (1) possesses the department of assembly (10) of battery pack (B) dismounting being assembled freely, with the handle portion (20) projected upwards from department of assembly, and inner space (11) in department of assembly and near the root of handle portion (22), be configured with the circuit substrate (30) having carried control circuit, this rechargeable power tool (1) is provided with and supports and stop the support (35) of the lower end of this root in position at inner space and immediately below root, housing (31) one of this support (35) and holding circuit substrate or split are arranged.

Description

Rechargeable power tool
Technical field
The present invention relates to rechargeable power tool, it possesses the department of assembly that battery pack is assembled in dismounting freely and the handle portion projected upwards from above-mentioned department of assembly, and is configured with circuit substrate at the inner space of above-mentioned department of assembly.
Background technology
Such as Patent Document 1 discloses following impact driver: the handle portion of tubular is given prominence to from the bottom of the housing body portion being equipped with motor etc., and form the linking part linking battery pack in the bottom of handle portion.In this impact driver, after the terminal support plate of the terminal possessing the power supply terminal connecting battery pack is fixed on the inner side of linking part, the housing of the circuit substrate of accommodating motor is installed with the state overlapping with the upside of terminal support plate.
[patent document 1]: Japanese Unexamined Patent Publication 2010-30024 publication
But if fall along with the error of the rechargeable power tool such as above-mentioned impact driver and apply impulsive force to handle portion, then the root of handlebar hand enters the inner side of linking part and the danger that collides with circuit substrate.If suppose, above-mentioned root and circuit substrate collide, then circuit substrate may damage because of impulsive force.
Summary of the invention
The present invention proposes in view of such situation, its object is to, even if provide a kind of when being applied with impulsive force to handle portion, also can prevent the rechargeable power tool that circuit substrate damages.
The feature of the rechargeable power tool involved by the invention of technical scheme 1 is to possess: the department of assembly of battery pack dismounting being assembled freely; And from the handle portion that above-mentioned department of assembly projects upwards, and the inner space of this rechargeable power tool in above-mentioned department of assembly and near the root of above-mentioned handle portion, be configured with the circuit substrate having carried control circuit, position is provided with and supports and stop the support of the lower end of this root at above-mentioned inner space and immediately below above-mentioned root, and this support is arranged with keeping the housing of foregoing circuit substrate one or split.
The feature of the invention of technical scheme 2 is, in technical scheme 1, make the shell that above-mentioned department of assembly and above-mentioned handle portion are integrated, assembled by two segmentation shells and formed, immediately below the above-mentioned root of the interface along above-mentioned two segmentation shells, position arranges above-mentioned support.
The feature of the invention of technical scheme 3 is, in technical scheme 1 or 2, possesses the IC tag of the intrinsic identifying information of this rechargeable power tool of write, and arranges the installation portion installing above-mentioned IC tag at the back side of above-mentioned housing.
According to the rechargeable power tool involved by the invention of technical scheme 1, even if when making the root of handle portion will enter the inner space of department of assembly when being applied with impulsive force to handle portion, support also can support and stop the lower end of above-mentioned root, thus can prevent root from applying direct impulsive force to circuit substrate.Thus, the damage of circuit substrate can effectively be prevented.
According to the invention of technical scheme 2, even if when making segmentation shell conjugate thus make segmentation shell interface each other stagger when applying impulsive force to shell, support also can support and stops the lower end of above-mentioned root thus can suppress staggering of interface.
According to the invention of technical scheme 3, by above-mentioned housing being assembled in the inner space of department of assembly under the state that IC tag is pre-installed to installation portion, meanwhile IC tag can be assembled in inner space.Therefore, IC tag becomes easy relative to the assembling operation of rechargeable power tool.
Accompanying drawing explanation
Fig. 1 is the stereogram of the internal structure represented near the battery department of assembly being equipped with the impact driver of battery pack involved by embodiments of the present invention.
Fig. 2 be represent this internal structure battery department of assembly near side view.
Fig. 3 is the A-A line sectional view of Fig. 2.
Fig. 4 is the figure of the state illustrating inner space IC tag being assembled into this battery department of assembly.
Number in the figure illustrates:
1... impact driver; 10... battery department of assembly; 11... the inner space of battery department of assembly; 20... handle portion; 22... the root of handle portion; 23... the interface of left-half shell and right half part shell; 30... circuit substrate; 31... housing; 35... support; 37... recess; 38...IC label; 50L... left-half shell; 50R... right half part shell; B... battery pack.
Detailed description of the invention
Referring to figs. 1 through Fig. 4, embodiments of the present invention are described.The impact driver 1 of present embodiment possesses battery department of assembly 10, handle portion 20, circuit substrate 30 and operating portion 40.By resinous left-half shell 50L and right half part shell 50R is assembled and makes battery department of assembly 10 and handle portion 20 form as one, this resinous left-half shell 50L has the left part of battery department of assembly 10 and the left part of handle portion 20, and this right half part shell 50R has the right part of battery department of assembly 10 and the right part of handle portion 20.In addition, impact driver 1 is an example of rechargeable power tool of the present invention, and left-half shell 50L and right half part shell 50R is an example of two segmentation shells of the present invention.
In battery department of assembly 10, the battery pack B of approximate rectangular shape is assembled in dismounting freely.From screw thread the left surface that front is observed, the hook F (with reference to Fig. 3 and Fig. 4) hung over by impact driver 1 on the belt of operator is installed in battery department of assembly 10.Handle portion 20 is formed as projecting upwards from the upper surface of battery department of assembly 10.Be provided with main part (not shown) in the upper end of handle portion 20 continuously, this main part is equipped with motor, the rotation of motor is converted to rotates impact force and the hit agency etc. being delivered to front end tool.In addition, battery department of assembly 10 is examples for department of assembly of the present invention.
As shown in Figure 2, circuit substrate 30 is configured near the root 22 of handle portion 20 in the inner space 11 of battery department of assembly 10.The position being meant to be equivalent near the border of handle portion 20 and battery department of assembly 10 of this root 22.Circuit substrate 30 is held in housing 31 by resin casting mold.As shown in Fig. 2 and Fig. 4, by the rib 51 that is integrally formed with the inner surface of left-half shell 50L and the lower surface of rib 52 support housing 31 be integrally formed with the inner surface of right half part shell 50R, housing 31 is assembled in inner space 11.
As shown in Figure 1, form the low-lying portion 34 of rectangle at the upper surface of housing 31, the resinous support 35 given prominence to from the bottom surface in low-lying portion 34 is integrally formed with the rear side internal face in low-lying portion 34.As shown in Figure 3, support 35 is arranged at position immediately below the root 22 of the interface 23 of left-half shell 50L and right half part shell 50R in inner space 11, close relative to the lower surface of battery department of assembly 10 in the mode leaving short space.On the other hand, as shown in Figure 3 and 4, the recess 37 of rectangle is formed at the back side of housing 31.This recess 37 can be accommodating and install IC tag 38.Before housing 31 is installed on inner space 11, IC tag 38 is installed on recess 37 in advance.This IC tag 38 possesses the antenna of IC chip and coiled type, and IC chip possesses memory, control part.ID etc. intrinsic for IC chip is stored in the memory of IC chip.Control part according to the instruction received from IC tag reader/Write via above-mentioned antenna, control store in the information of memory transmission or be stored in the reception of information of memory.In addition, recess 37 is examples for installation portion of the present invention, and the intrinsic ID of IC chip is an example of the intrinsic identifying information of rechargeable power tool of the present invention.
In addition, as shown in Figure 1 and Figure 2, on the upper surface of battery department of assembly 10, position directly over the position being configured with housing 31, is formed with the opening portion 15 arriving root 22 and opening.Operating portion 40 is installed on opening portion 15.Operating portion 40 is made up of guidance panel, and the upper surface of this guidance panel is configured with various action button, display lamp.In the present embodiment, the battery allowance display lamp of the battery allowance of the impact force switching push button switching the intensity rotating impact force, the intensity display lamp representing the intensity rotating impact force and display battery pack B is configured at the upper surface of guidance panel.If press impact force switching push button, be then equipped on the control circuit work of circuit substrate 30, the intensity (strong, in, weak) of the rotation impact force while setting rotates the intensity of impact force set by the display of intensity display lamp.
In the present embodiment, even if slip up due to such as impact driver 1 and apply impulsive force to handle portion 20, support 35 also can support and stop that the lower end of the root 22 of handle portion 20 is damaged to prevent circuit substrate 30.Below, support 35 supported and stop that the action of the lower end of root 22 is described.
Consider owing to being provided with the opening portion 15 making the mechanical strength of root 22 reduce in battery department of assembly 10, if so apply impulsive force to handle portion 20, then root 22 will enter the inner space 11 of battery department of assembly 10.Even if the support 35 in this case, being located at position immediately below root 22 can support and stop the lower end of root 22.Thus, support 35 absorbs and relaxes the impulsive force be subject to from root 22.In addition, the housing 31 be integrally formed with support 35 also can absorb and relax this impulsive force.
In addition, consider such as due to left-half shell 50L or right half part shell 50R any one accidentally between be subject to impulsive force and conjugate, thus the situation that interface 23 will stagger.Even if the support 35 in this case, being located at position immediately below the root 22 of interface 23 also can stop the lower end of the root 22 of the lower end of the root 22 of the left part of handle portion 20 or the right part of handle portion 20.Thus, support 35 can absorb and relax the impulsive force be subject to from each root 22.
(effect of present embodiment)
In the impact driver 1 of present embodiment, even if when making root 22 will enter inner space 11 owing to being applied with impulsive force to handle portion 20, support 35 also can stop the lower end of root 22, prevents root 22 pairs of circuit substrates 30 from directly applying impulsive force.Therefore, it is possible to effectively prevent circuit substrate 30 from damaging.
In addition, even if be subject to impulsive force due to any one of left-half shell 50L or right half part shell 50R and conjugating, thus interface 23 will be when will stagger, support 35 also can stop the lower end of the root 22 of the lower end of the root 22 of the left part of handle portion 20 or the right part of handle portion 20 thus can suppress staggering of interface 23.
Further, by housing 31 being assembled in inner space 11 under the state that IC tag is installed on recess 37 in advance, meanwhile IC tag 38 can be assembled in inner space 11.Therefore, IC tag 38 becomes easy relative to the assembling operation of rechargeable power tool 1.
The invention is not restricted to above-mentioned embodiment, can carry out suitably changing implementing to a part for structure without departing from the spirit and scope of the invention.Although be that support 35 and housing 31 are formed in the above-described embodiment, but be not limited thereto, support 35 also after being formed relative to housing 31 split, can be configured at position immediately below the root 22 of interface 23 by bonding with housing 31 etc.
In addition, support 35 is not limited to resin-made, also can be formed by elastomeric elements such as synthetic rubber.And, be not limited to impact driver, the electric tools such as rechargeable electric drill can also be applied the present invention to.

Claims (3)

1. a rechargeable power tool, is characterized in that, possesses:
By the department of assembly that battery pack dismounting is assembled freely; And
From the handle portion that above-mentioned department of assembly projects upwards,
And the inner space of this rechargeable power tool in above-mentioned department of assembly and near the root of above-mentioned handle portion, be configured with the circuit substrate having carried control circuit,
Position is provided with and supports and stop the support of the lower end of this root at above-mentioned inner space and immediately below above-mentioned root, and this support one or split are arranged at the housing keeping foregoing circuit substrate.
2. rechargeable power tool according to claim 1, is characterized in that,
Make the shell that above-mentioned department of assembly and above-mentioned handle portion are integrated, assembled by two segmentation shells and formed, immediately below the above-mentioned root of the interface along above-mentioned two segmentation shells, position is provided with above-mentioned support.
3. rechargeable power tool according to claim 1 and 2, is characterized in that,
This rechargeable power tool possesses the IC tag being written with the intrinsic identifying information of this rechargeable power tool, and
The installation portion installing above-mentioned IC tag is set at the back side of above-mentioned housing.
CN201210016463.8A 2011-01-20 2012-01-18 Rechargeable power tool Active CN102601778B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011010039A JP5698546B2 (en) 2011-01-20 2011-01-20 Rechargeable power tool
JP2011-010039 2011-01-20

Publications (2)

Publication Number Publication Date
CN102601778A CN102601778A (en) 2012-07-25
CN102601778B true CN102601778B (en) 2015-09-09

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CN201210016463.8A Active CN102601778B (en) 2011-01-20 2012-01-18 Rechargeable power tool

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CN (1) CN102601778B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7434721B2 (en) 2018-04-27 2024-02-21 工機ホールディングス株式会社 Electric tool
JP2021037560A (en) 2019-08-30 2021-03-11 株式会社マキタ Electric work machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5671815A (en) * 1995-06-14 1997-09-30 Robert Bosch Gmbh Hand machine tool with battery operated drive motor
EP1925405A1 (en) * 2006-11-27 2008-05-28 Matsushita Electric Works, Ltd. Electric power tool
CN101318320A (en) * 2007-06-07 2008-12-10 株式会社牧田 Portable electric power tool
CN101637896A (en) * 2008-07-31 2010-02-03 株式会社牧田 Electric devices
CN101856812A (en) * 2009-04-08 2010-10-13 株式会社牧田 Electric tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050058890A1 (en) * 2003-09-15 2005-03-17 Kenneth Brazell Removable battery pack for a portable electric power tool
JP2005169533A (en) * 2003-12-09 2005-06-30 Matsushita Electric Works Ltd Rotating tool
JP2006142402A (en) * 2004-11-17 2006-06-08 Hitachi Koki Co Ltd Portable tool
JP4466388B2 (en) * 2005-01-26 2010-05-26 パナソニック電工株式会社 Electric tool
JP4462112B2 (en) * 2005-05-26 2010-05-12 パナソニック電工株式会社 Electric tool
DE102006018004A1 (en) * 2006-04-07 2007-10-11 Robert Bosch Gmbh Hand tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5671815A (en) * 1995-06-14 1997-09-30 Robert Bosch Gmbh Hand machine tool with battery operated drive motor
EP1925405A1 (en) * 2006-11-27 2008-05-28 Matsushita Electric Works, Ltd. Electric power tool
CN101318320A (en) * 2007-06-07 2008-12-10 株式会社牧田 Portable electric power tool
CN101637896A (en) * 2008-07-31 2010-02-03 株式会社牧田 Electric devices
CN101856812A (en) * 2009-04-08 2010-10-13 株式会社牧田 Electric tool

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JP2012148381A (en) 2012-08-09
CN102601778A (en) 2012-07-25
JP5698546B2 (en) 2015-04-08

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