CN107453175A - Connecting line and electric tool - Google Patents
Connecting line and electric tool Download PDFInfo
- Publication number
- CN107453175A CN107453175A CN201710230131.2A CN201710230131A CN107453175A CN 107453175 A CN107453175 A CN 107453175A CN 201710230131 A CN201710230131 A CN 201710230131A CN 107453175 A CN107453175 A CN 107453175A
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- CN
- China
- Prior art keywords
- connector
- wire
- length
- power line
- tubular element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Portable Power Tools In General (AREA)
- Insulated Conductors (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of in the structure that for power tool body to be connected in the connecting line of battery unit, can preventing that power line is cut off when connecting line is by the impact on length direction.Connecting line (14) has line main body (16), the 1st connector (18) and the 2nd connector (20).1st connector (18) is configured to be installed on power tool body (10), and the 2nd connector (20) is configured to be installed on battery unit (12).1st connector (18) is connected with the 2nd connector (20) by connecting line (14).Line main body (16) has wire-like members (22), power line (24a, 24b) and tubular element (30).Tubular element (30) is set in a manner of covering wire-like members (22) and power line (24a, 24b).The length of power line (24a, 24b) is more than the length of wire-like members (22) and the length of tubular element (30).
Description
Technical field
The present invention relates to a kind of connecting line for being used to electrically connect power tool body and battery unit and there is the company
The electric tool of wiring.
Background technology
In operation field, there are various rechargeable electric tools to be used.Particularly, hand held electric tool is (for example, punching
Hit formula instrument) it is easy to operate.Therefore, it is aloft in good graces in operation etc..
As hand held electric tool, such as it is known to the electric tool that battery is provided with power tool body.For
For such electric tool, being arranged to battery can dismantle relative to power tool body.Therefore, charged to battery
When, battery can be dismantled from electric tool.Thus, charging operation becomes easy.
On the other hand, from the angle of operating efficiency, it is preferred that reduce the weight of electric tool.However, for inciting somebody to action
Battery is installed on for the structure as described above of power tool body, and the weight of battery is big.Accordingly, it is difficult to reduce electric tool
Weight.
Then, in the past, propose that one kind is configured to battery and electric tool electric tool independent of each other (for example, referring to special
Sharp document 1).For the hand held electric tool described in patent document 1, power tool body and battery (power supply unit) are each
From being provided independently from.Power tool body utilizes the electric wire with retractility to be connected with battery.
For the hand held electric tool of patent document 1, by making power tool body and battery as described above
Independently of one another, compared with the one-piece type electric tool of conventional battery, power tool body miniaturization and lightweight can be made.This
Outside, by that using the electric wire with retractility, can prevent electric wire from influenceing operation as described above.
However, it is specified that must incite somebody to action in the case of the use such as engineering site in Japan electric tool as described above
For preventing rope band that electric tool falls etc. to be installed on electric tool.Therefore, the electronic work described in patent document 1 is being used
In the case of tool, except for electrical, it is also necessary to which rope band for preventing from falling etc. is installed on power tool body.However, have
When in operation electric wire and rope band etc. can be intertwined, so as to cause operating efficiency to reduce.
On the other hand, in patent document 2, open one kind utilizes steel wire (Japanese：ワ イ ヤ ー) electric wire connect
The rechargeable power tool of main body and battery.For rechargeable power tool disclosed in patent document 2, electric wire plays anti-
The function that only main body is fallen.Thus, it is possible to prevent falling for main body using electric wire.In addition, because being provided with steel wire in electric wire,
So the problem of together with electric wire and steel wire winding will not be produced.It is above-mentioned such as caused by wire intertwist therefore, it is possible to prevent
Operating efficiency reduction.
Prior art literature
Patent document
Patent document 1：Japanese Utility Model logs in No. 3109342 publication
Patent document 2：Japanese Unexamined Patent Publication 2007-111857 publications
The content of the invention
Problems to be solved by the invention
However, the result studied according to the present inventors, finds：For being provided with the structure of steel wire in electric wire,
When power tool body is fallen, the power line in electric wire is easily cut off., in which case it is possible to it can be produced in electric wire
Short circuit, so not preferred.
It is an object of the invention to obtain a kind of following structure：For power tool body to be connected with battery unit
Connecting line in, when being applied with impact along the length direction of connecting line, power line can be prevented to be cut off.
The solution used to solve the problem
(1) connecting line of a technical scheme of the invention is the company for power tool body and battery unit to be electrically connected
Wiring.The connecting line of the technical program has：1st connector, it can be installed on the power tool body；2nd connector, its
The battery unit can be installed on；Wire-like members, it connects the 1st connector and the 2nd connector；Power supply
Line, it connects the 1st connector and the 2nd connector, and the power line is supplied from the battery unit to the electricity
The source current flowing of power driven tools main body supply；Tubular element, it has connected the 1st connector with the 2nd connector
Come, and cover the wire-like members and the power line.The length of the power line be more than the wire-like members length and
The length of the tubular element.
Using said structure, for example, power tool body fall and make connecting line by the impact on length direction it
Border, wire-like members and tubular element are stretched power prior to power line.Thereby, it is possible to prevent power line by big tensile force.Its
As a result, it is possible to power line is prevented to be cut off.
(2) can also be that the tubular element is configured on tube axis direction to stretch, the length of the wire-like members
Degree is less than the maximum length of the tubular element, and the length of the power line is more than the maximum length of the tubular element.
The length of wire-like members is less than the maximum length of tubular element.Therefore, in connecting line by rushing on length direction
It is wire-like members first by big tensile force in the case of hitting.Then, wire-like members are cut off prior to tubular element.So, with
Make wire-like members prior to tubular element be cut off mode form connecting line, so as in connecting line by length direction
When impact, suppress tubular element by big tensile force.Thereby, it is possible to prevent tubular element to be cut off.Moreover, the length of power line
Maximum length of the degree more than tubular element.Using the structure, after wire-like members are cut off, such as even in due to by electronic
The effect of the weight of tool body and tubular element is extended in the state of maximum length, can also prevent power line by big
Tensile force.Said structure is cut off as a result, it is possible to be more reliably prevented from power line.
(3) can also be that the connecting line also has signal wire, the signal wire connects the 1st connector and the described 2nd
Connect device to connect, for transmitting electric signal between the power tool body and the battery unit.Can also be, it is described
Signal wire is covered between the 1st connector and the 2nd connector by the tubular element, the length of the signal wire
More than the length of the wire-like members, less than the maximum length of the tubular element.
Using said structure, caused the cut-off situation of wire-like members by the impact on length direction in connecting line
Under, signal wire is prior to tubular element by big tensile force.Thus, for example, when signal wire is cut off, power tool body and electricity
Electric signal can not be sent and received between pool unit.In this case, for example, the control unit of electric tool can interpolate that out it is electronic
Instrument breaks down, and stops the driving of power tool body.So, specially shutoff signal line, so as to prevent in electricity
Power driven tools main body still uses power tool body after falling.Even in addition, receive the connection of the impact on length direction
Line, as long as signal wire is not switched off, it becomes possible to be judged as being not affected by serious damage.In this case, operator can feel at ease
Ground is continuing with power tool body.
(4) can also be that the signal wire and the power line at least have except the 1st connector and described
Beyond 2nd connector one at the linking part that is connected.
Thus, the signal between signal wire and power line are connected linking portion and the 1st connector or the 2nd connector
The length of line is less than the overall length of signal wire.Then, it is described in the case where connecting line receives the impact on length direction
Amount of tension of the signal wire untill the signal wire is cut off between linking portion and the 1st connector or the 2nd connector is small
In the overall amount of tension untill signal wire is cut off of signal wire.Therefore, the impact on length direction is received in connecting line
In the case of, compared with the structure for not linking up signal wire and power line, signal wire is easily cut off.Then, even
, can be in tubular element and power line by big after wiring is caused wire-like members cut-off by the impact on length direction
Shutoff signal line before tensile force.It is cut off therefore, it is possible to be more reliably prevented from power line.
(5) it can also be connecting in the linking portion and the 1st connector and the described 2nd in the power line
The length of the part between one of device is connect, more than being connected in the linking portion with the described 1st in the signal wire
The length of the part between the one in device and the 2nd connector.
Thus, in the case where connecting line receives the impact on length direction, can be connected in signal wire with power line
Before power line between one of the linking portion of knot and the 1st connector and the 2nd connector produces big tensile force, institute is cut off
State linking portion and as the signal wire between the connector of the one.Cut thus, it is possible to be more reliably prevented from power line
It is disconnected.
(6) power line has the reflex part to turn back in the longitudinal direction.It can also be in the power line, place
Part between the reflex part and the 1st connector or between the reflex part and the 2nd connector
Part, it is connected with the signal wire.
For power line, between the linking portion and the 1st connector that are connected in signal wire and power line
Part or part between the linking portion and the 2nd connector in, the length of part comprising reflex part, than
With the length for the signal wire that the part is corresponding amount corresponding with the length of reflex part greatly.Then, in connecting line by length side
, being capable of more easily shutoff signal line in the case of upward impact.It is cut off therefore, it is possible to be more reliably prevented from power line.
(7) can also be that the signal wire has the ring portion of looped-shaped bending in the longitudinal direction, the inner side of the ring portion
Part is connected by fixture and the power line.
Thereby, it is possible to signal wire is more reliably fixed on into power line using fixture.Then, in connecting line by length
, being capable of more easily shutoff signal line in the case of impact on direction.
(8) can also be that the reflex part is that the power line turns back at least two and formed in the tubular element
Part.In this case, the most long power line in wire-like members, power line and tubular element can be easily contained
In tubular element.
(9) can also be that the tubular element is made up of kernmantle.In this case, connecting line lightweight can be made.
(10) can also be, wire-like members are made of metal.In this case, wire-like members can be prevented in Smaller load
It is cut off easily under effect.
(11) can also be that the connecting line also has a spiral element, the spiral element is at least to cover the power line
Mode be arranged in the tubular element.In this case, being capable of protection power source line.
(12) electric tool of other technologies scheme of the invention has power tool body and above-mentioned connecting line.This skill
The electric tool of art scheme has above-mentioned connecting line.Then, when connecting line is by the impact on length direction, Neng Goufang
Only power line is cut off.
The effect of invention
, can be in connecting line for the connecting line for power tool body to be connected with battery using the present invention
When by the impact on length direction, power line is prevented to be cut off.
Brief description of the drawings
Fig. 1 is the figure of the schematic configuration for the electric tool for representing one embodiment of the present invention.
Fig. 2 is the figure for representing connecting line.
Fig. 3 is the figure for representing the one end of line main body, coupling member and installation unit.
Fig. 4 is Fig. 3 IV-IV line sectional views.
Fig. 5 is the figure of the installation unit after representing coupling member and decomposing.
Fig. 6 is the figure of the installation unit after representing housing department and decomposing.
Fig. 7 is Fig. 2 VII-VII line sectional views.
Fig. 8 is the figure for representing power line.
Fig. 9 is the figure of state for representing that power line and signal wire link together using fixture.
Embodiment
Hereinafter, using brief description of the drawings embodiments of the present invention.In addition, the size of the structural elements in each accompanying drawing is not true
The size of actual structural elements and the dimension scale of each structural elements etc. are represented on the spot.
(overall structure of electric tool)
Fig. 1 is the figure of the schematic configuration for the electric tool 100 for representing one embodiment of the present invention.Reference picture 1, electronic work
Tool 100 has power tool body 10, battery unit 12 and connecting line 14.In addition, in Fig. 1, in order to represent connecting line 14
Internal structure, eliminate the part of spiral element 28 and tubular element 30 described later.
Power tool body 10 is for example with the conventional impact tool (impact that can be dismantled with being configured to battery unit
Spanner etc.) identical structure.In addition, the structure as power tool body 10, can use known various electric tools
The structure of power tool body.Then, the detailed description to power tool body 10 is omitted.
Battery unit 12 has battery pack 12a and keeper 12b.In the present embodiment, battery pack 12a and keeper
12b can be dismounted between being configured to.In addition, the structure of battery unit 12 is not limited to the example shown in Fig. 1, can
Utilize the structure of known various battery units.
Power tool body 10 is connected with battery unit 12 by connecting line 14.Battery unit 12 is for example fixed on operator
Uniforms for worker, waistband etc..Hereinafter, connecting line 14 is described in detail.
(structure of connecting line)
Fig. 2 is the figure for representing connecting line 14.Referring to Figures 1 and 2, connecting line 14 have line main body 16, the 1st connector 18 with
And the 2nd connector 20.1st connector 18 is connected with the 2nd connector 20 by line main body 16.1st connector 18 is configured to
The connector 20 of power tool body the 10, the 2nd is installed on to be configured to be installed on battery unit 12.
Reference picture 1, line main body 16 have wire-like members 22, a pair of power line 24a, 24b, it is multiple (in the present embodiment
For two) signal wire 26a, 26b, spiral element 28 and tubular element 30.In the present embodiment, wire-like members 22, power supply
Line 24a, 24b, signal wire 26a, 26b and tubular element 30 are connected with the 1st connector 18 and the 2nd connector 20 respectively, in detail
Situation will be described hereinafter.
Wire-like members 22 are made such as the metal as stainless steel.In the present embodiment, as wire-like members 22, such as can
The wirerope enough formed using braided wires.The one end of wire-like members 22 is connected with the 1st connector 18, wire-like members 22 it is another
One end is connected with the 2nd connector 20, and details will be described hereinafter.
The source current supplied from battery unit 12 to power tool body 10 flows in power line 24a, 24b.Power supply
Line 24a, 24b one end are connected with the circuit substrate described later 34 (reference picture 2) of the 1st connector 18 respectively, power line 24a,
24b the other end is connected with the circuit substrate described later 58 (reference picture 2) of the 2nd connector 20 respectively.
Signal wire 26a, 26b are used to transmit electric signal between power tool body 10 and battery unit 12.As in electricity
The electric signal transmitted between power driven tools main body 10 and battery unit 12, e.g. represent battery pack 12a abnormal signal, represent
The deterioration of the signal of battery pack 12a temperature, the signal of expression battery pack 12a discharge and recharge number and expression battery pack 12a
Signal of degree etc..Signal wire 26a, 26b one end are connected with the circuit substrate 34 (reference picture 2) of the 1st connector 18 respectively, letter
Number line 26a, 26b the other end are connected with the circuit substrate 58 (reference picture 2) of the 2nd connector 20 respectively.
Spiral element 28 is for example formed from a resin.Spiral element 28 between the 1st connector 18 and the 2nd connector 20 to cover
The mode of lid wire-like members 22, power line 24a, 24b and signal wire 26a, 26b is set.In the present embodiment, spiral element
28 are set for protection power source line 24a, 24b and signal wire 26a, 26b.
Tubular element 30 is configured on tube axis direction to stretch.In the present embodiment, tubular element 30 is formed
The intensity of the tubular element 30 will not be also cut off to act on tubular element 30 with the total weight even if electric tool 100.
As tubular element 30, such as the kernmantle (Japanese for being formed as tubulose can be used：Group New-York).Tubular element 30 is to cover wire
Component 22, power line 24a, 24b, the mode of signal wire 26a, 26b and spiral element 28 are set.The one end of tubular element 30
It is connected with the 1st connector 18, the other end of tubular element 30 is connected with the 2nd connector 20, and details will be carried out below
Explanation.
The connector 18 of reference picture the 2, the 1st has housing department 32, circuit substrate 34, coupling member 36 and installation unit 38.
Housing department 32 by internally formed with blank part 32a in a manner of, such as formed by combining multiple components.In present embodiment
In, circuit substrate 34 is configured in blank part 32a, and is fixed on housing department 32.Housing department 32 is configured to be installed on electricity
Power driven tools main body 10 (reference picture 1).Housing department 32 is for example formed from a resin.
Fig. 3 is along the one end of the direction observation line main body 16 shown in arrow A in fig. 2, coupling member 36 and peace
Figure obtained from filling unit 38.Fig. 4 is Fig. 3 IV-IV line sectional views.In addition, after Fig. 5 represents coupling member 36 and decomposed
The figure of installation unit 38.In addition, in figure 3, a part for the housing department 32 of the 1st connector 18 is represented with single dotted broken line.
3~Fig. 5 of reference picture, coupling member 36 is overall to have tee shape.In the present embodiment, coupling member 36 has
There are the 1st cylindrical portion 40, the 2nd cylindrical portion 42, pair of sliding portion 44a, 44b and engaging portion 46.Coupling member 36 is for example by resin
It is made.
1st cylindrical portion 40 has：A pair of discoideus bottom wall parts 40a, 40b, a pair of bottom wall parts are with side relative to each other
Formula is set；Cylindric side of sidewall portion 40c, it is set in a manner of bottom wall part 40a and bottom wall part 40b are connected.Reference picture
4, it as to be mutually facing in side of sidewall portion 40c formed with a pair of openings portion 40d, 40e.
3~Fig. 5 of reference picture, the 2nd cylindrical portion 42 have the hollow cylinder shape of both ends open, and with along the 1st tubular
The mode radially extended in portion 40 is set.Reference picture 4, in the present embodiment, with the inside of the 1st cylindrical portion 40 and the 2nd tubular
The mode that the inside in portion 42 is connected by opening portion 40e, the one end of the 2nd cylindrical portion 42 is connected with side of sidewall portion 40c.Reference picture
4 and Fig. 5, the other end of the 2nd cylindrical portion 42 outer peripheral face formed with pin thread 42a.
Reference picture 3 and Fig. 5, sliding part 44a, 44b each have cylindrical shape.In the present embodiment, sliding part 44a from
Bottom wall part 40a towards the 1st cylindrical portion 40 axis direction it is protruding outside, sliding part 44b is from bottom wall part 40b towards the 1st tubular
The axis direction in portion 40 it is protruding outside.In the present embodiment, reference picture 3, sliding part 44a, 44b outer peripheral face is to slide
The mode that can be slided in portion 44a, 44b circumference is supported on housing department 32.Thus, coupling member 36 is with can be along Fig. 2's
The mode that direction shown in arrow B is swung is supported on housing department 32.
3~Fig. 5 of reference picture, engaging portion 46 have cylindrical shape.Engaging portion 46 is in side of sidewall portion 40c along the 1st cylindrical portion
40 axis direction extension, bottom wall part 40a and bottom wall part 40b are connected.In addition, coupling member 36 can be by multiple components
Combine, this omission is described in detail.
Reference picture 4 and Fig. 5, installation unit 38 have the fixing component 48 of bottomed cylindrical, cylindric fitting member 50
And hollow discoideus packing ring 52.Installation unit 38 is for example formed from a resin.
Reference picture 4, fixing component 48 have cylindric side of sidewall portion 48a and are arranged at the bottom of side of sidewall portion 48a one end
Wall portion 48b.Side of sidewall portion 48a the other end inner peripheral surface formed with negative thread 48c.In the present embodiment, negative thread 48c
Formed in a manner of corresponding with the pin thread 42a of the 2nd cylindrical portion 42.In bottom wall part 48b formed with through hole 48d.That is, bottom wall
Portion 48b has toroidal.
Reference picture 4 and Fig. 5, fitting member 50 have cylindric insertion section 50a and the cylinder axis direction from insertion section 50a
On the one end flange part 50b prominent to radial outside.On the cylinder axis direction, insertion section 50a is got over from flange part 50b
Far, insertion section 50a external diameter is smaller.That is, insertion section 50a has cone-shaped.
Reference picture 4, in the present embodiment, insertion section 50a internal diameter and bottom wall part of the maximum gauge than side of sidewall portion 48a
48b internal diameter is small.Flange part 50b external diameter is smaller than side of sidewall portion 48a internal diameter and diameter (bottom wall part 48b than through hole 48d
Internal diameter) it is big.The external diameter of packing ring 52 is smaller than side of sidewall portion 48a internal diameter and bigger than flange part 50b external diameter.In addition, packing ring 52
Internal diameter is smaller than flange part 50b external diameter.
Reference picture 4, in the present embodiment, on the bottom wall part 48b of fixing component 48, fitting member 50 is configured with successively
With packing ring 52.The one end of tubular element 30 is positioned on the outer peripheral face of fitting member 50.In the present embodiment, in tubulose structure
The one end of part 30 is positioned in the state of fitting member 50, and insertion section 50a is inserted in bottom wall part 48b through hole 48d.The
2 cylindrical portions 42 and fixing component 48 are with by the fitting member of packing ring 52 and the one end that located on outer peripheral face tubular element 30
50 modes being clipped in the middle are connected.Specifically, the pin thread 42a of the 2nd cylindrical portion 42 is screwed into the negative thread of fixing component 48
48c.Thus, fitting member 50 is pressed into bottom wall part 48b sides, and the one end of tubular element 30 is sandwiched in fitting member 50 and bottom wall
Between portion 48b.As a result, the one end of tubular element 30 is fixed on installation unit 38.That is, the one end of tubular element 30 is consolidated
Due to the 1st connector 18 (reference picture 2).
Ring 22a is formed using the one end of wire-like members 22.In the present embodiment, using riveting component 54 in wire structure
The one end of part 22 forms ring 22a.Ring 22a is hung in engaging portion 46.Thus, the one end of wire-like members 22 is installed on engaging portion
46.That is, the one end of wire-like members 22 is installed on the 1st connector 18.
Reference picture 3 and Fig. 4, power line 24a, 24b and signal wire 26a, 26b pass through installation unit 38 out of tubular element 30
In interior and coupling member 36, and extend to the blank part 32a (reference picture 2) of housing department 32.Power line 24a, 24b and signal wire
26a, 26b one end are connected in blank part 32a (reference picture 2) with circuit substrate 34 (reference picture 2) respectively.Reference picture 2, such as
Upper described, circuit substrate 34 is fixed on housing department 32.Thus, power line 24a, 24b and signal wire 26a, 26b one end are consolidated
Due to the 1st connector 18.
The connector 20 of reference picture the 2, the 2nd has housing department 56, circuit substrate 58 and installation unit 60.Housing department 56 with
Blank part 56a mode is internally formed, such as is formed by combining multiple components.In the present embodiment, circuit substrate
58 configurations are fixed on housing department 56 in blank part 56a.Housing department 56 is configured to be installed on (the ginseng of battery unit 12
According to Fig. 1).
Fig. 6 is the figure of the installation unit 60 after representing housing department 56 and decomposing, and Fig. 7 is Fig. 2 VII-VII line sectional views.
Reference picture 6 and Fig. 7, housing department 56 have main part 56b, the cylindric linking part 56c of approximately parallelepiped body shape and cylindric
Engaging portion 56d.Main part 56b and linking part 56c are for example formed from a resin, and engaging portion 56d is for example made of metal.
Reference picture 6, in the present embodiment, formed with blank part 56a in main part 56b.Linking part 56c is with from main body
The mode that portion 56b side protrudes is formed.In the present embodiment, linking part 56c and main part 56b is formed and is integrated.Cavity
Portion 56a is connected with linking part 56c inside.Linking part 56c outer peripheral face formed with pin thread 56e.
Reference picture 6 and Fig. 7, by along in a manner of extending radially through linking part 56c and in a manner of relative to each other formed with one
To through hole 56f, 56g.Engaging portion 56d along in a manner of extending radially through linking part 56c to be inserted in through hole 56f, 56g.
In present embodiment, engaging portion 56d is for example fixed on linking part 56c by being pressed into through hole 56f, 56g.
Installation unit 60 has fixing component 62, fitting member 64 and a packing ring 66, fixing component 62, fitting member 64 with
And the structure of the structure of packing ring 66 fixing component 48 with installation unit 38, fitting member 50 and packing ring 52 respectively is identical.That is,
Installation unit 60 has and the identical structure of installation unit 38.Therefore, the detailed description to installation unit 60 is omitted.
Reference picture 7, in the present embodiment, linking part 56c and fixing component 62 are determined in the other end of tubular element 30
In the state of the outer peripheral face of fitting member 64, it is connected in a manner of fitting member 64 is clipped in the middle with packing ring 66.Specifically
For, linking part 56c pin thread 56e is screwed into the negative thread 62a of fixing component 62.Thus, by the another of tubular element 30
End is clipped between fitting member 64 and fixing component 62.As a result, installation list is fixed in the other end of tubular element 30
Member 60.That is, the 2nd connector 20 (reference picture 2) is fixed in the other end of tubular element 30.
Ring 22b is formed using the other end of wire-like members 22.In the present embodiment, using riveting component 68 in wire
The other end of component 22 forms ring 22b.Ring 22b is hung on engaging portion 56d.Thus, the other end installation of wire-like members 22
In engaging portion 56d.That is, the other end of wire-like members 22 is installed on the 2nd connector 20.
Reference picture 7, power line 24a, 24b and signal wire 26a, 26b out of tubular element 30 through in installation unit 60 and
In linking part 56c, and extend to blank part 56a (reference picture 2).Power line 24a, 24b and signal wire 26a, 26b the other end
It is connected respectively in blank part 56a (reference picture 2) with circuit substrate 58 (reference picture 2).Reference picture 2, as described above, circuit substrate 58
It is fixed on housing department 56.Thus, the 2nd connector 20 is fixed in power line 24a, 24b and signal wire 26a, 26b the other end.
In addition, circuit substrate 34 and circuit substrate 58 are electrically connected using power line 24a, 24b and signal wire 26a, 26b.
(size of power line etc.)
Reference picture 1, in the present embodiment, the respective length of power line 24a, 24b are more than wire-like members 22 and tubulose structure
The length of any one of part 30.The respective length of power line 24a, 24b is more than the maximum length of tubular element 30.Power line
The respective length of 24a, 24b is more than any one of signal wire 26a and signal wire 26b length.The length of wire-like members 22 is small
In the maximum length of tubular element 30.The length of wire-like members 22 is less than the respective length of signal wire 26a, 26b.That is, signal wire
The respective length of 26a, 26b is more than the length of wire-like members 22.The respective length of signal wire 26a, 26b is less than tubular element 30
Maximum length.
In addition, in the present embodiment, the length of wire-like members 22 refers to：Connected using the 1st connector the 18 and the 2nd
When device 20 pulls wire-like members 22, (block from the contact site contacted with the 1st connector 18 (engaging portion 46) to the 2nd connector 20
Determine portion 56d) contact contact site untill wire-like members 22 length.In addition, in the present embodiment, in the quilt of wire-like members 22
When 1st connector 18 and the 2nd connector 20 pull, ring 22a contacts with engaging portion 46, and ring 22b contacts with engaging portion 56d.
In the present embodiment, power line 24a length refers to：It is connected from the 1st connector 18 (circuit substrate 34)
Power line 24a of the connecting portion untill the connecting portion being connected with the 2nd connector 20 (circuit substrate 58) length.Equally, it is electric
Source line 24b length refers to：It is (electric extremely with the 2nd connector 20 from the connecting portion being connected with the 1st connector 18 (circuit substrate 34)
Base board 58) connection connecting portion untill power line 24b length.In addition, signal wire 26a length refers to：From with the 1st
The connecting portion of connector 18 (circuit substrate 34) connection is untill the connecting portion being connected with the 2nd connector 20 (circuit substrate 58)
Signal wire 26a length.Equally, signal wire 26b length refers to：From what is be connected with the 1st connector 18 (circuit substrate 34)
Signal wire 26b of the connecting portion untill the connecting portion being connected with the 2nd connector 20 (circuit substrate 58) length.
In the present embodiment, the length of tubular element 30 refers to：It is connected from the 1st connector 18 (installation unit 38)
Tubular element 30 of the connecting portion untill the connecting portion being connected with the 2nd connector 20 (installation unit 60) length.In addition, pipe
The maximum length of shape component 30 refers to：When having pulled tubular element 30, when tubular element 30 will be pulled off or pipe
The length of tubular element 30 when shape component 30 will be plastically deformed.
In addition, as described above, in the present embodiment, the respective length of power line 24a, 24b is more than wire-like members 22, letter
The length of any one of number line 26a, 26b and tubular element 30.In the present embodiment, as shown in figure 8, power line 24a,
24b has reflex part 24c, the 24d to be turned back in tubular element 30 at least two respectively.Thereby, it is possible to easily will
Power line 24a, 24b are accommodated in tubular element 30.In addition, in the present embodiment, power line 24a, 24b are than tubular element
Central portion (position in fig. 8, represented by single dotted broken line) on 30 length direction has by the position of the side of the 2nd connector 20
Reflex part 24c, 24d.
Herein, reflex part 24c, 24d is referred to：When power line 24a, 24b are continuously turned back in many places, from many places
Fold back portion in, the fold back portion of side on power line 24a, 24b length direction to positioned at power line 24a,
Scope untill the fold back portion of opposite side on 24b length direction.
Signal wire 26a, 26b and power line 24a, 24b can also be connected by fixture 70.In fig. 9 it is shown that letter
The example that number line 26a and power line 24a are connected by fixture 70.
In addition, it is following, signal wire 26a and power line 24a situation about being connected by fixture 70 will be illustrated,
But signal wire 26b and power line 24b can also be connected as signal wire 26a and power line 24a by fixture 70.That is,
Following structure is not limited to signal wire 26a and power line 24a, can also be applied to signal wire 26b and power line 24b.
Reference picture 9, signal wire 26a have the ring portion 26c for forming a part of looped-shaped bending on its length direction.
Base end side part signal wire 26a ring portion 26c, signal wire 26a intersected with each other is fixed on power line 24a by fixture 70
Together.That is, ring portion 26c inboard portion is connected by fixture 70 and power line 24a.Fixture 70 is, for example, to be used for line
The bundle component of resin-made used in being bundled each other.
As long as the in addition, component that signal wire 26a and power line 24a can be connected by fixture 70, it is possible to be to appoint
The component of meaning.In addition, the material of fixture 70 can also be the material beyond resin.
As described above, signal wire 26a and power line 24a are connected using fixture 70, so as to which fixture 70 and the 2nd connects
The length of the signal wire 26a between device 20 is connect less than the signal wire 26a entirety between the 1st connector 18 and the 2nd connector 20
Length.Then, in the case where connecting line 14 is by the impact on length direction, in signal wire 26a, fixture 70 and the 2nd
Amount of tension of the part untill the part is cut off between connector 20, it is overall less than signal wire 26a until signal wire 26a
Amount of tension untill being cut off.Therefore, in the case where connecting line 14 is by the impact on length direction, fixation is utilized with no
Part 70 compares signal wire 26a and power line the 24a structure being connected, being capable of easy shutoff signal line 26a.Then, in connecting line
, can be in tubular element 30 and power line 24a after 14 are caused wire-like members 22 cut-off by the impact on length direction
By shutoff signal line 26a before big tensile force.It is cut off therefore, it is possible to be more reliably prevented from power line 24a.
In addition, as described above, by using fixture 70 by signal wire 26a ring portion 26c inboard portion and power line
24a is connected, and signal wire 26a more reliably can be fixed on into power line 24a.Then, in connecting line 14 by length direction
On impact in the case of, being capable of more easily shutoff signal line 26a.
In the present embodiment, signal wire 26a and power line 24a by fixture 70 in the reflex part than power line 24a
24c is connected by the position of the side of the 1st connector 18.That is, power line 24a's is between reflex part 24c and the 1st connector 18
Part, it is connected by fixture 70 and signal wire 26a.
In addition, signal wire 26a ring portion 26c forms in the central portion than tubular element 30 turning back close to power line 24a
Portion 24c position.Then, signal wire 26a and power line 24a is close in the central portion than tubular element 30 by fixture 70
Power line 24a reflex part 24c position is connected.
Using above-mentioned structure, for power line 24a, comprising it is including reflex part 24c, in fixture 70 and
The length of part between 2 connectors 20, the length than the signal wire 26a corresponding with the part are long with reflex part 24c greatly
The corresponding amount of degree.Thus, in the case where connecting line 14 is by the impact on length direction, can connect in fixture 70 and the 2nd
Before connecing the big tensile force of power line 24a generations between device 20, the signal wire between the connector 20 of fixture 70 and the 2nd is cut off
26a.It is cut off therefore, it is possible to be more reliably prevented from power line 24a.
(action effect of present embodiment)
For the connecting line 14 of present embodiment, power line 24a, 24b length are more than the length of wire-like members 22
With the length of tubular element 30.Using the structure, for example, being fallen in power tool body 10 and making connecting line 14 by length side
In the case of upward impact, wire-like members 22 and tubular element 30 are stretched power prior to power line 24a, 24b.Thus, energy
Enough prevent power line 24a, 24b by big tensile force.As a result, power line 24a, 24b can be prevented to be cut off.
In addition, in the present embodiment, wire-like members 22 and power line 24a, 24b are covered by tubular element 30.Utilize this
Structure, in electric tool 100 in use, wire-like members 22 and power line 24a, 24b can be prevented to be intertwined.In addition,
Tubular element 30 and wire-like members 22 can be prevented to be intertwined, additionally it is possible to prevent tubular element 30 and power line 24a, 24b
It is intertwined.
Tubular element 30 is configured on tube axis direction to stretch, and the length of wire-like members 22 is less than tubular element 30
Maximum length.It is wire-like members 22 first in the case where connecting line 14 is by the impact on length direction using the structure
By big tensile force.Then, wire-like members 22 are cut off prior to tubular element 30.In the present embodiment, wire-like members 22
Such as it is cut off between riveting component 54 and riveting component 68.So, so that wire-like members 22 are cut off prior to tubular element 30
Mode form connecting line 14, so as to when connecting line 14 is by the impact on length direction (for example, in power tool body
When 10 fall), tubular element 30 can be suppressed by big tensile force.Thereby, it is possible to prevent tubular element 30 to be cut off.And
And for connecting line 14, power line 24a, 24b length are more than the maximum length of tubular element 30.Using the structure,
After wire-like members 22 are cut off, for example, making tubulose structure even in the effect due to the weight by power tool body 10
In the state of part 30 stretches, it can also prevent power line 24a, 24b by big tensile force.Said structure as a result, it is possible to more
Power line 24a, 24b is reliably prevented to be cut off.
The respective length of signal wire 26a, 26b is more than the length of wire-like members 22, less than the maximum length of tubular element 30.
Utilize the structure, in the case where connecting line 14 is caused wire-like members 22 to be cut off by the impact on length direction, signal
Line 26a, 26b are prior to tubular element 30 by big tensile force.Thus, for example, when signal wire 26a, 26b are cut off, electronic work
Electric signal can not be sent and received between tool main body 10 and battery unit 12.In this case, for example, the control of electric tool 100
Portion (not shown) processed can interpolate that out that electric tool 100 breaks down, and stop the driving of power tool body 10.So,
Specially shutoff signal line 26a, 26b, so as to prevent from still using power tool body after power tool body 10 is fallen
10。
Tubular element 30 can be made up of kernmantle.In this case, the lightweight of connecting line 14 can be made.
Wire-like members 22 can be made of metal.In this case, can prevent from cutting easily in the presence of Smaller load
Disconnected wire-like members 22.
(variation)
In the above-described embodiment, to being illustrated as tubular element 30 using the situation of kernmantle, but make
For tubular element 30, other components such as the pipe of resin-made can also be used.
In the above-described embodiment, have a case that two signal wires 26a, 26b are illustrated to connecting line 14, but
The radical for being signal wire can also be one or more than three.In addition, connecting line can also not have signal wire.
In the above-described embodiment, the situation that wire-like members 22 are less than with the maximum length of tubular element 30 is said
It is bright, but wire-like members 22 can also be longer than the maximum length of tubular element 30.
In the above-described embodiment, the length of wire-like members 22 is more than and less than pipe to signal wire 26a, 26b length
The situation of the maximum length of shape component 30 is illustrated.However, signal wire 26a, 26b length might be less that wire-like members
22 length.In addition, signal wire 26a, 26b length can also be more than the maximum length of tubular element 30.Signal wire 26a and letter
Number line 26b length can also be different from each other.
In the above-described embodiment, have respectively to power line 24a, 24b and rolled in tubular element 30 at least two
The situation for returning reflex part 24c, 24d for forming is illustrated.However, power line 24a, 24b can also not have reflex part.This
Outer or one of power line 24a and power line 24b have reflex part.
In the above-described embodiment, power line 24a, 24b reflex part 24c, 24d are arranged at than tubular element 30
Central portion on length direction is illustrated by the situation of the position of the side of the 2nd connector 20.However, reflex part 24c, 24d
The central portion that can be arranged on the length direction than tubular element 30 leans on the position of the side of the 1st connector 18.In addition it is also possible to
It is that the central portion that one of reflex part 24c and reflex part 24d are arranged on the length direction than tubular element 30 connects by the 2nd
The position of the side of device 20 is connect, the other of reflex part 24c and reflex part 24d are arranged on the length direction than tubular element 30
Central portion leans on the position of the side of the 1st connector 18.
In the above-described embodiment, to using fixture 70 power line 24a and signal wire 26a being connected at one
Situation is illustrated but it is also possible to be power line 24a and signal wire 26a are connected in many places using fixture 70.At this
In the case of, in the case where connecting line 14 is by the impact on length direction, signal wire 26a between fixture 70, it is solid
In determining between the connector 18 of part 70 and the 1st and between the connector 20 of fixture 70 and the 2nd, signal wire 26a and power line 24a
The difference the best part of length be cut off.
In the above-described embodiment, to signal wire 26a ring portion 26c inboard portion by fixture 70 and power line
The situation that 24a is connected is illustrated.It may, however, also be or not in the case that signal wire 26a sets ring portion 26c, profit
Signal wire 26a is connected with power line 24a with fixture 70.
In the above-described embodiment, to portion in power line 24a, between reflex part 24c and the 1st connector 18
Divide and be illustrated by fixture 70 and signal wire 26a situations about being connected.It may, however, also be reflex part 24c and the 2nd
Power line 24a between connector 20 is connected by fixture 70 and signal wire 26a.In this case, because power line 24a
Reflex part 24c between the 1st connector 18 and fixture 70, so connecting line 14 by the impact on length direction it
Border, signal wire 26a are cut off between the 1st connector 18 and fixture 70.
In the above-described embodiment, to signal wire 26a and power line 24a by fixture 70 than tubular element 30
Central portion is illustrated close to the situation that power line 24a reflex part 24c position is connected.However, signal wire 26a and electricity
Source line 24a is connected by fixture 70 in which position.In addition, from make power line 24a and signal wire 26a length it
From the viewpoint of difference is tried one's best greatly, it is preferred that power line 24a is connected in the position in addition to reflex part 24c with signal wire 26a
Knot.
In the above-described embodiment, signal wire 26a and power line 24a situations about being connected by fixture 70 are carried out
Explanation.It may, however, also be signal wire 26a and power line 24a are connected by bonding agent, adhesive tape etc..That is, signal wire 26a
It can also be connected with power line 24a by the structure beyond fixture 70.In addition, power line 24a and signal wire 26a except
Beyond 1st connector 18 and the 2nd connector 20 at least one at be connected.
In the above-described embodiment, situation about being made of metal to wire-like members 22 is illustrated, but is used as line
The material of shape component 22, the other materials such as nylon can also be used.
Although in addition, eliminating detailed description, the structure of the 1st connector is not limited to said structure, as long as
The structure that circuit substrate can be electrically connected with power tool body.Similarly, the structure of the 2nd connector is also not necessarily limited to
The structure stated, as long as the structure that circuit substrate can be electrically connected with battery unit.
Industrial applicability
The present invention can be applied to the various connecting lines that power tool body is connected with battery unit.
Description of reference numerals
10 power tool bodies
12 battery units
14 connecting lines
16 line main bodys
18 the 1st connectors
20 the 2nd connectors
22 wire-like members
24a, 24b power line
24c, 24d reflex part
26a, 26b signal wire
26c ring portions
28 spiral elements
30 tubular elements
32 housing departments
34 circuit substrates
36 coupling members
38th, 60 installation unit
70 fixtures
100 electric tools
Claims (5)
1. a kind of connecting line, it is used for power tool body and battery unit electrical connection, wherein,
The connecting line has：
1st connector, it can be installed on the power tool body；
2nd connector, it can be installed on the battery unit；
Wire-like members, it connects the 1st connector and the 2nd connector；
Power line, it connects the 1st connector and the 2nd connector, and the power line is supplied from the battery unit
The source current supplied to the power tool body flows；And
Tubular element, it connects the 1st connector and the 2nd connector, and cover the wire-like members and
The power line,
The length of the power line is more than the length of the wire-like members and the length of the tubular element.
2. connecting line according to claim 1, wherein,
The tubular element is configured on tube axis direction to stretch,
The length of the wire-like members is less than the maximum length of the tubular element,
The length of the power line is more than the maximum length of the tubular element.
3. connecting line according to claim 2, wherein,
The connecting line also has signal wire, and the 1st connector and the 2nd connector are connected, be used for by the signal wire
Electric signal is transmitted between the power tool body and the battery unit,
The signal wire is covered between the 1st connector and the 2nd connector by the tubular element,
The length of the signal wire is more than the length of the wire-like members, less than the maximum length of the tubular element.
4. connecting line according to claim 3, wherein,
The signal wire and the power line at least have in addition to the 1st connector and the 2nd connector
The linking part being connected at one.
5. a kind of electric tool, wherein,
The electric tool has power tool body and the connecting line any one of Claims 1-4.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016078918 | 2016-04-11 | ||
| JP2016-078918 | 2016-04-11 | ||
| JP2017-075622 | 2017-04-06 | ||
| JP2017075622A JP2017191774A (en) | 2016-04-11 | 2017-04-06 | Connection cord and power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107453175A true CN107453175A (en) | 2017-12-08 |
Family
ID=60086502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710230131.2A Pending CN107453175A (en) | 2016-04-11 | 2017-04-10 | Connecting line and electric tool |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2017191774A (en) |
| CN (1) | CN107453175A (en) |
| TW (1) | TW201741091A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6849819B2 (en) * | 2017-11-15 | 2021-03-31 | 日本電信電話株式会社 | Composite wiring and its manufacturing method |
| JP7339852B2 (en) * | 2019-10-31 | 2023-09-06 | 株式会社マキタ | power supply |
| TWI736331B (en) * | 2020-06-23 | 2021-08-11 | 鼎朋企業股份有限公司 | Power supply structure of electric grinding machine tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2920683B1 (en) * | 2007-09-06 | 2010-02-12 | Pellenc Sa | MULTIPURPOSE ELECTROPORTATIVE DEVICES. |
| JP3180648U (en) * | 2012-10-17 | 2012-12-27 | エス・ディ・ケイ株式会社 | Wiring cord and wiring cord with electronic parts |
-
2017
- 2017-04-06 JP JP2017075622A patent/JP2017191774A/en active Pending
- 2017-04-10 CN CN201710230131.2A patent/CN107453175A/en active Pending
- 2017-04-11 TW TW106112058A patent/TW201741091A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017191774A (en) | 2017-10-19 |
| TW201741091A (en) | 2017-12-01 |
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Application publication date: 20171208 |