CN204621994U - Portable electric cutting tool - Google Patents
Portable electric cutting tool Download PDFInfo
- Publication number
- CN204621994U CN204621994U CN201520204239.0U CN201520204239U CN204621994U CN 204621994 U CN204621994 U CN 204621994U CN 201520204239 U CN201520204239 U CN 201520204239U CN 204621994 U CN204621994 U CN 204621994U
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- CN
- China
- Prior art keywords
- power brick
- cutting tool
- portable electric
- holding part
- fixation kit
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of portable electric cutting tool, comprise saw blade, drive the motor that saw blade rotates, the power brick of electric energy is provided to motor, the housing of collecting motor, housing has installs saw blade one end and the relative other end, and the housing other end is provided with and inserts for two power brick the holding part also holding power brick at least partly, two power brick have a surface to be oppositely arranged respectively, and are provided with gap between the surface be oppositely arranged.When operating mode is not high to power requirement, only can inserts power brick a to accommodating cavity and can meet requirement to power under this kind of operating mode, now, other spaces of holding part provide heat-dissipating space for power brick; When operating mode is higher to power requirement, must insert two power brick to meet working condition requirement, now, not against each other, the gap between them is that two power brick provide heat-dissipating space to two power brick.
Description
Technical field
The utility model relates to a kind of portable electric cutting tool, especially a kind of portable electric cutting tool being provided with double cell bag.
Background technology
Hand held electric tool, such as electric drill, oscillating machine, electric circular saw, polishing machine etc., usually use power brick as power supply, thus make hand held electric tool more flexibly with portable.In order to tackle the different working condition in routine use, the power output of different hand held electric tools is different, same hand held electric tool is when carrying out different operating, power output is also different, therefore need the power brick of different size and capacity as power supply, normally work to make electric tool.
Usually, two power brick are inserted two holding parts adjacent to each other by electric tool that market is provided with double cell bag respectively, or two power brick are inserted a holding part against each other.Because two power brick operationally all can distribute heat, when comparatively only having a power brick, the heat produced is larger, no matter and adopt any of above-mentioned two kinds of power brick arrangements, all heat accumulation can be made, can not Quick diffusing, thus cause instrument to scald one's hand, even cause power brick or instrument impaired.
Utility model content
Technical problem to be solved in the utility model: the double cell bag portable electric cutting tool that a kind of perfect heat-dissipating is provided.
The technical solution of the utility model is: a kind of portable electric cutting tool, comprises saw blade; Drive the motor that described saw blade rotates; The power brick of electric energy is provided to described motor; Accommodate the housing of described motor, described housing has installs saw blade one end and the relative other end; The described housing other end is provided with and inserts and at least part of holding part holding described power brick for two described power brick; It is characterized in that, described two power brick have a surface to be oppositely arranged respectively, and described in be provided with gap between the surface that is oppositely arranged.
The beneficial effects of the utility model are: when operating mode is not high to power requirement, only can insert power brick a to accommodating cavity and can meet requirement to power under this kind of operating mode, and now, other spaces of holding part provide heat-dissipating space for power brick; When operating mode is higher to power requirement, must insert two power brick to meet working condition requirement, now, not against each other, the gap between them is that two power brick provide heat-dissipating space to two power brick.
Preferably, described gap width is more than or equal to 2 millimeters.When gap is more than or equal to two millimeters, when to use two power brick simultaneously, radiating effect is better.Preferred, described gap width is 2 millimeters to 5 millimeters.
Preferably, the sidewall that described holding part comprises diapire and extended to form in the same direction by the two ends that diapire is relative, described diapire and described two sidewalls jointly enclose and form described holding part.
Because two sidewalls itself are not connected, after power brick inserts holding part, power brick can contact with outside atmosphere disjunct position in two side, namely increases the contact area of power brick and air, thus further increases the heat dispersion of power brick.
Preferably, the distance of described two sidewalls is greater than the thickness sum of described two power brick, thus after ensureing that power brick inserts holding part, leaves gap between two power brick, improves heat dispersion.
Preferably, described holding part is provided with fixed mechanism, described fixed mechanism is used for described power brick to be fixed to described holding part.
Preferably, described fixed mechanism comprises the first fixation kit and the second fixation kit, and described first fixation kit and described second fixation kit are separately positioned on described two sidewalls.Because the first fixation kit and the second fixation kit are arranged on two sidewalls, make when inserting the power brick thicker with other thickness of this instrument electrical interface adaptation, only can use the first or second fixation kit, another fixation kit can not cause interference to this power brick, thus improves versatility.
Preferably, described power brick is provided with the operating parts matched with described fixed mechanism, the sticking department that described operating parts comprises operating portion and is connected with described operating portion, described sticking department matches with described first fixation kit or described second fixation kit, and can be separated with described first fixation kit or the second fixation kit under the drive of described operating portion.
Preferably, described two sidewalls are respectively arranged with electrical connection interface, and described power brick is electrically connected to described housing by described electrical connection interface.Because electrical connection interface is separately positioned on two sidewalls, make when inserting the power brick thicker with other thickness of this instrument electrical interface adaptation, can only use one of them electrical connection interface, another electrical connection interface can not cause interference to this power brick, thus improves versatility.
Preferably, described diapire is provided with ejecting mechanism, described ejecting mechanism is used for described power brick to eject described holding part.Be provided with ejecting mechanism avoid power brick be stuck in holding part be difficult to take out situation, be convenient to user and change power brick quickly and easily.
Accompanying drawing explanation
Fig. 1 is the portable electric cutting tool of the utility model first embodiment structural representation when connecting double cell bag;
Fig. 2 is portable electric cutting tool in Fig. 1 structural representation when connecting monocell bag;
The structural representation of the power brick that Fig. 3 connects for the portable electric cutting tool in Fig. 1;
Fig. 4 is portable electric cutting tool in Fig. 1 structural representation when connecting heavy thickness monocell bag.
Detailed description of the invention
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in description of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
With reference to shown in Fig. 1, portable electric cutting tool 100 in the present embodiment, comprise saw blade 20, the motor 30 rotated for driving saw blade 20, there is provided the power brick 40a of electric energy to motor 30, the housing 10 of collecting motor 30, housing 10 comprises one end for installing saw blade 20 and the other end, the other end of housing 10 is provided with the holding part 50 that can insert for two power brick 40a, and holding part 50 holds power brick 40a at least partly.
Two power brick 40a have a surface to be oppositely arranged respectively, and are provided with gap 58 between this surface be oppositely arranged.So, be beneficial to power brick 40a heat radiation, prevent power brick from scalding one's hand, and avoid power brick to affect its service life because of overheated.Preferably, gap 58 width between these two surfaces be oppositely arranged is more than or equal to 2 millimeters, so can obtain the effect of better heat radiation.Preferred, gap 58 width between these two surfaces be oppositely arranged is 2 millimeters to 5 millimeters.It should be noted that, when the surface that two power brick 40a are oppositely arranged is not smooth plane, the width in gap 58 refers to spacing distance minimum between two relative surfaces.
Holding part 50 is away from the one end open that one end of saw blade 20 is recessed to form to the direction near saw blade 20 on housing 10, the structure in U-shaped.Be appreciated that the position of the shape that this holding part 50 is formed and setting all can set as the case may be, in this no limit.Preferably, the sidewall 54 that holding part 50 comprises diapire 52 and extended to form in the same direction by the two ends that diapire 52 is relative, this diapire 52 and sidewall 54 jointly enclose and form aforesaid holding part 50, two sidewalls 54 and itself be not connected.Because two sidewalls itself are not connected, after power brick inserts holding part, power brick can contact with outside atmosphere disjunct position in two side, namely increases the contact area of power brick and air, thus further increases the heat dispersion of power brick.
Preferably, two power brick 40a are along the arrangement of its thickness direction stacked on top of one another, and the angle that this power brick 40a inserts the direction of this holding part 50 and the longitudinally of this housing 10 is less than 30 degree.Preferred, the distance between two sidewalls 54 is greater than the thickness sum of two power brick 40a.
So, power brick 40a arranges along its thickness direction stacked on top of one another, reduces the width of complete machine, improves the convenience of use.Meanwhile, when only using a power brick, the comfort level operated can not be caused because of the change of position of centre of gravity to reduce, improve the compatibility of portable electric cutting tool.
In addition, power brick 40a stacked on top of one another is arranged, the mark of power brick 40a side is exposed, and is convenient to identify, is beneficial to the power brick 40a distinguishing different model and the trade mark.
Also be provided with parts such as circuit board 60 grade in housing 10, in the present embodiment, saw blade 20 is positioned at the front end of portable electric cutting tool housing 10, and motor 30 and circuit board 60 are positioned in the middle part of housing 10, and holding part 50 and power brick 40 are positioned at the tail end of housing 10.Operator is gripped on the middle part of housing 10.
It should be noted that, how emphasis of the present utility model is located at portable electric cutting tool housing 10 not at motor 30, circuit board 60, transmission mechanism 70 and saw blade 20, therefore, does not repeat them here concrete structure and the annexation thereof of said elements.
Longitudinally along housing 10 is arranged with holding part 50.When using this portable electric cutting tool 100, operator grips this housing 10 on the other hand, and this power brick 40a is inserted this holding part 50 along the longitudinally being parallel to housing 10 by another hand.That is, operator grips this power brick 40a on power brick 40a width, and is fixed at its thickness direction by this power brick 40a.So, compare traditional power brick 40a inserted mode, operator's one hand can complete the installation of power brick 40a, easy to use.
Consult Fig. 1 and Fig. 2, holding part 50 is also provided with the fixed mechanism 80 for self-contained battery bag 40a.Preferably, fixed mechanism 80 comprises the first fixation kit 82 and the second fixation kit 84, and this first fixation kit 82 and the second fixation kit 84 are separately positioned on sidewall 54.
Consult Fig. 1-3, this power brick 40a is also provided with the operating parts 90 matched with this fixed mechanism 80, this operating parts 90 can make this power brick 40 extract from this holding part 50 under external force.Consult Fig. 3, the sticking department 94 that this operating parts 90 comprises operating portion 92 and is connected with this operating portion 92, this operating portion 92 is arranged on this power brick 40a, this sticking department 94 matches with this first fixation kit 82 or this second fixation kit 84, and can be separated with this first fixation kit 82 or the second fixation kit 84 under the drive of this operating portion 92.In the present embodiment, this first fixation kit 82 and the second fixation kit 84 are draw-in groove.
Consult Fig. 1, when power brick 40a is two, two power brick 40a are respectively equipped with this operating parts 90, to coordinate with fixed mechanism 80 respectively, when operating the operating parts 90 of this power brick 40a, corresponding power brick 40a can take out from this holding part 50.Namely when power brick 40a is one, when operating the operating parts 90 on a power brick 40a, it can be made to eject holding part 50, when power brick 40 is two, operates the operating parts 90 on two power brick 40a respectively, two power brick 40a can be made all to eject.
Consult Fig. 1-3, particularly, this operating portion 92 to be movably set on this power brick 40a and to expose to outside this holding part 50, this sticking department 94 activity is matched with the first fixation kit 82 or the second fixation kit 84, and can be separated with this first fixation kit 82 or the second fixation kit 84 under the drive of this operating portion 92.
In the present embodiment, this operating portion 92 can carry out pressing operation relative to this power brick 40a under external force, thus drive this sticking department 94 to be separated with the first fixation kit 82 or the second fixation kit 84, make this sticking department 94 move to the direction away from this first fixation kit 82 or the second fixation kit 84 and remove lock-out state between the two.Be appreciated that the operation format of operating portion 92 is not limited only to pressing operation, also can be other operation formats, in this no limit.
Further, when power brick 40a is two, two these operating portions 92 are arranged dorsad, thus make the direction of operating of two operating portions 92 contrary.That is, such as in the embodiment shown in fig. 1, the pressing direction of the operating portion 92 points of two power brick 40a is close to each other, and direction of operating is contrary, so, the singlehanded pressing close to each other of operator two operating portions 92 can complete the ejection of power brick 40a simultaneously, easy to use.
More specifically, this sticking department 94 is the buckle be connected with this operating portion 92, and one end of this buckle is connected with operating portion 92, and during to make this operating portion 92 pressing operation, this buckle is together movable with operating portion 92.Specific in the present embodiment, this buckle and this draw-in groove match, the guiding face 88 that this draw-in groove has supporting surface 86 and tilts along power brick 40a approach axis, and this is buckled in card and establishes in process, side abuts with supporting surface 86, and another side tilted contacts with this guiding face 88.When installing power brick 40a, power brick 40a buckle and guiding face 88 coordinate guide under enter to the direction near holding part 50 diapire 52, when buckle is held in supporting surface 86, at supporting surface 86 with under the effect of buckle, power brick 40a is fixed in holding part 50.
Be appreciated that, in the present embodiment, the two side 54 of this holding part 50 is equipped with the first fixation kit 82 and the second fixation kit 84, in some other embodiment, according to the actual conditions of product, the first fixation kit can be set in side, and opposite side does not arrange the second fixation kit yet.
As shown in Figure 1-2, this portable electric cutting tool 100 also comprises ejecting mechanism 70, and this ejecting mechanism 70 is arranged at the diapire 52 of this holding part 50, for realizing each power brick 40 by holding part 50 fast and extract easily.
Particularly, this ejecting mechanism 70 comprises the elastic component 72 for providing the elastic acting force ejected by holding part 50 for this power brick 40a.When elastic component 72 is leaf spring, diapire 52 is provided with towards the surface of two sidewalls 54 gusset 522 arranged in pairs, this gusset 522 interval is arranged, and the free end of this gusset 522 arranged in pairs bends mutually, form embedded groove (figure does not mark), the surface of two sidewalls 54 is provided with the first fixation kit 82 and the second fixation kit 84 coordinating card to establish with power brick 40.Elastic component 72 is arranged in embedded groove, and thinking that power brick 40a is ejected by holding part 50 provides elastic acting force, so makes the structure of ejecting mechanism 70 simple and takes up room little.
Should be appreciated that this elastic component 72 also can be other forms, such as stage clip.When elastic component 72 is stage clip, be convexly equipped with erection column at diapire 52, to fix this stage clip, thus provide elastic acting force for power brick 40a ejects holding part 50.
Consult Fig. 1,2,4, the both sides that this holding part 50 is relative are provided with is located at the relative both sides of this holding part 50 respectively with two electrical interfaces, 56, two electrical interfaces 56, and this power brick 40a that can arrange dorsad with two respectively connects.
Consult Fig. 1,2,4, it is multiple that portable electric cutting tool 100 provides the power brick of power supply to have, and as shown in Figure 1, holding part 50 can fix the power brick 40a of two thinner thicknesses, and this power brick 40a can be single and power brick 40a.As shown in Figure 2, this holding part 50 also can fix the power brick 40a of a thinner thickness, same, and this power brick 40a can be a list and power brick 40a.As shown in Figure 4, this holding part 50 also can fix the thickness power brick 40b large compared with power brick 40a, and this power brick 40b can be a two also power brick.
Electrical interface 56 and fixed mechanism 80 may be used for two kinds and above connect pattern, such as, both can connect two lists and power brick 40a, also can be used only in interface on any one sidewall and fixation kit connect a two and power brick 40b or list and power brick 40a.
In the present embodiment, as Figure 1-3, this power brick 40 is in rectangular-shaped, have and the first surface 42 that sidewall 54 connects and adjacent with first surface 42 and parallel with described housing 10 longitudinally second surface 44, the mating part (not shown) be electrically connected with this electrical interface 56 is located at first surface 42, and second surface 44 is provided with the mark for distinguishing this power brick 40a, 40b.In installation process, mating part and the electrical interface 56 of power brick 40a, 40b connect, and it can stacked on top of one another be arranged on the direction of the top of holding part 50 to bottom.So, reduce the width of complete machine, improve the convenience of use, meanwhile, to make on market general single and power brick 40a or two and power brick 40b in use can not cause because of the change of position of centre of gravity the comfort level operated to reduce, improve the compatibility of portable electric cutting tool.
In addition, power brick 40a stacked on top of one another is arranged, makes the mark on second surface 44 be convenient to identify, is beneficial to the power brick distinguishing different model and the trade mark.
It may be noted that for ease of understanding the utility model, below to be described some definition:
Power brick 40a, 40b are cuboid, its length direction and thickness direction refer to respectively in the present embodiment along second surface 44 length and direction, wide place, and the width of power brick 40a, 40b refers to the direction, width place along first surface 42.That is, because first surface 42 is adjacent with second surface 44, namely the length of power brick 40a, 40b, width and thickness direction refer to the direction at the width place respectively along the length of first surface 42, width and second surface 44.
Be appreciated that the shape of power brick 40 can be other shapes, in this no limit.Be appreciated that in the present embodiment, two lists power brick 40a are also stacked setting back-to-back, in some other embodiment, two lists power brick 40 also also can be adopted to arrange in the same way.Such as, one of them electrical interface 56 is arranged at the side of holding part 50, and another electrical interface 56 is located at the gap location between two power brick 40, thus two power brick 40 are arranged in the same way, and can with other electrical component conductings.
Portable electric cutting tool 100 of the present utility model, power brick 40 is arranged along its thickness direction stacked on top of one another, reduces the width of complete machine, improves the convenience of use.Meanwhile, to make on market general single and power brick 40a or two and power brick 40b in use can not cause because of the change of position of centre of gravity the comfort level operated to reduce, improve the compatibility of portable electric cutting tool 100.
In addition, power brick 40a stacked on top of one another is arranged, makes the mark on power brick 40a upper side wall 124 be convenient to identify, is beneficial to the power brick 40 distinguishing different model and the trade mark.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a portable electric cutting tool, comprising:
Saw blade;
Drive the motor that described saw blade rotates;
The power brick of electric energy is provided to described motor;
Accommodate the housing of described motor, described housing has installs saw blade one end and the relative other end;
The described housing other end is provided with and inserts and at least part of holding part holding described power brick for two described power brick;
It is characterized in that, described two power brick have a surface to be oppositely arranged respectively, and described in be provided with gap between the surface that is oppositely arranged.
2. portable electric cutting tool according to claim 1, is characterized in that: described gap width is more than or equal to 2 millimeters.
3. portable electric cutting tool according to claim 2, is characterized in that: described gap width is 2 millimeters to 5 millimeters.
4. portable electric cutting tool according to claim 1, is characterized in that: the sidewall that described holding part comprises diapire and extended to form in the same direction by the both sides that diapire is relative, and described diapire and described two sidewalls jointly enclose and form described holding part.
5. portable electric cutting tool according to claim 4, is characterized in that: described two stacked settings of power brick, the distance of described two sidewalls is greater than the thickness sum of described two power brick.
6. portable electric cutting tool according to claim 4, is characterized in that: described holding part is provided with fixed mechanism, and described fixed mechanism is used for described power brick to be fixed to described holding part.
7. portable electric cutting tool according to claim 6, is characterized in that: described fixed mechanism comprises the first fixation kit and the second fixation kit, and described first fixation kit and described second fixation kit are separately positioned on described two sidewalls.
8. portable electric cutting tool according to claim 7, it is characterized in that: described power brick is provided with the operating parts matched with described fixed mechanism, the sticking department that described operating parts comprises operating portion and is connected with described operating portion, described sticking department matches with described first fixation kit or described second fixation kit, and can be separated with described first fixation kit or the second fixation kit under the drive of described operating portion.
9. portable electric cutting tool according to claim 4, is characterized in that: described two sidewalls are respectively arranged with electrical connection interface, and described power brick is electrically connected to described housing by described electrical connection interface.
10. portable electric cutting tool according to claim 4, is characterized in that: described diapire is provided with ejecting mechanism, and described ejecting mechanism is used for described power brick to eject described holding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204239.0U CN204621994U (en) | 2015-04-07 | 2015-04-07 | Portable electric cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204239.0U CN204621994U (en) | 2015-04-07 | 2015-04-07 | Portable electric cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204621994U true CN204621994U (en) | 2015-09-09 |
Family
ID=54041053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520204239.0U Expired - Fee Related CN204621994U (en) | 2015-04-07 | 2015-04-07 | Portable electric cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204621994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688016A (en) * | 2020-07-27 | 2021-04-20 | 浙江齐享科技有限公司 | Lithium electric drill |
| US11084006B2 (en) | 2017-03-23 | 2021-08-10 | Milwaukee Electric Tool Corporation | Mud mixer |
-
2015
- 2015-04-07 CN CN201520204239.0U patent/CN204621994U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11084006B2 (en) | 2017-03-23 | 2021-08-10 | Milwaukee Electric Tool Corporation | Mud mixer |
| CN112688016A (en) * | 2020-07-27 | 2021-04-20 | 浙江齐享科技有限公司 | Lithium electric drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20210407 |