CN102485437A - Pendulum-type power tool - Google Patents
Pendulum-type power tool Download PDFInfo
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- CN102485437A CN102485437A CN2010105854151A CN201010585415A CN102485437A CN 102485437 A CN102485437 A CN 102485437A CN 2010105854151 A CN2010105854151 A CN 2010105854151A CN 201010585415 A CN201010585415 A CN 201010585415A CN 102485437 A CN102485437 A CN 102485437A
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- China
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- tool
- tightening member
- pendulum
- type power
- work arbor
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Abstract
The invention provides a pendulum-type power tool which has the advantages of simple and compact structure and low cost, and a working head of the pendulum-type power tool is relatively convenient to replace. The pendulum-type power tool comprises a working spindle for driving the working head, the working head is connected and fastened between a fastening element and a working head receiving end of the working spindle through threads between the working spindle and the fastening element, and at least a part of the screwdriver of the fastening element is contained in a hollow containing cavity provided by the working spindle.
Description
Technical field
The present invention relates to a kind of hand-hold power tool, especially the pendulum-type power tool.
Background technology
From the known a kind of pendulum-type power tool of CN100460148C, CN201067900 and CN101043987A; Working head is through being threaded between the working head receiving terminal that is fastened on tightening member and work arbor between work arbor and tightening member; Working head need could be installed and removed through revolving tool; And revolve between tool and the pendulum-type power tool is not one, normally external.Change in the working head operating process each, all inquire for the tool that revolves of tightening member, use inconvenient.Even the pendulum-type power tool through improvement after, will revolve tool and be fixed on the cable cover(ing), change working head at every turn, take that to revolve tool also be cumbersome, revolve tool and also be prone to lose.
From the known another kind of pendulum-type power tool of CN1946517A; This pendulum-type power tool has the work arbor that is used to drive working head; Working head cooperates through the latch assembly in the work arbor and tightening member; Be fastened between the retaining part on the tool end of tightening member and said work arbor, the slip through mobile device realizes latch assembly to the clamping and releasing of tightening member, and it is comparatively convenient to change working head.But the complex structure of this latch assembly, required precision height require work arbor inside that bigger cavity volume is arranged again simultaneously, so that flexible member and latch assembly are set, so the manufacturing cost of product is higher, is unfavorable for the extensive use of product.
Summary of the invention
The objective of the invention is to: provide a kind of simple in structure, cheaply, and change working head pendulum-type power tool comparatively easily.
The present invention realizes through following technical scheme:
A kind of pendulum-type power tool; The pendulum-type power tool comprises: the work arbor that is used to drive working head; Working head is fastened on through being threaded between work arbor and tightening member between the working head receiving terminal of tightening member and said work arbor, and the tool that revolves of tightening member has at least a part to be brought in the hollow reservoir that work arbor is provided with.
The invention has the advantages that: revolve tool just by tightening member, take, put back to that to revolve tool more convenient, revolve tool and be difficult for losing, when changing working head, revolve tool, unscrew tightening member and get final product as long as take out in the hollow reservoir of work arbor.Simultaneously owing to revolve the tool major part and brought in the hollow reservoir that work arbor is provided with, revolving tool is that the pendulum-type power tool is built-in, on the pendulum-type power tool, increases to revolve tool and can not influence the instrument normal running and use.
This pendulum-type power tool can further improve through the measure of describing in the following technical scheme and be perfect.
A cross sectional shape that revolves that revolves tool can be varied, like regular polygon etc., revolves tool to be preferably inner hexagon spanner, and tightening member is interior hex head fastener.
Revolving tool can be through the hollow space of tightening member, includes in the hollow reservoir that work arbor is provided with from the working head receiving terminal of work arbor.On the contrary, revolving tool can bring into the hollow reservoir that work arbor is provided with from the opening part away from the work head end of work arbor.
When revolving tool and being in, be strip or " L " shape by receiving state.Be convenient to like this be received in the hollow reservoir that work arbor is provided with, revolve that tool is outer hardly to be exposed at outside the instrument, or exposed parts is less and do not influence the instrument normal running and use revolving tool.
Revolving tool is the collapsible tool that revolves.The collapsible tool that revolves can guarantee simultaneously to revolve and has preferably by receiving state and user mode, is convenient to revolve tool and is taken in or manipulate.
Tightening member includes nut or screw or bolt or flange or butterfly spring, and tightening member can be one of them, also can be their combination.
The tool that revolves that is in when being included in state by the hollow reservoir of work arbor relies on elastic force or gravity or magnetic force or interference fit to fix, in order to avoid instrument comes off in using.
Brought into the tool that revolves in the hollow reservoir of work arbor, when work arbor was threaded with tightening member, revolving tool can not separate from tightening member fully.Revolving tool and tightening member can be one, need to use when revolving tool and tightening solid element, revolves tool as long as extract, as long as turn back to and be with then revolving tool, very convenient to use.
Can certainly design like this, brought into the tool that revolves in the hollow reservoir of work arbor, when work arbor is threaded with tightening member, revolves prodigiosin and from tightening member, separate fully.Revolving tool and tightening member is two independently elements, and such structure is simpler.
Description of drawings
Fig. 1 is the partial sectional view of pendulum-type power tool of the present invention.The tool that revolves among the figure illustrates with inner hexagon spanner, is to revolve tool to be in the sketch map when being brought into state in the hollow reservoir that work arbor is provided with, and revolves tool among the figure and is " L " shape.
Fig. 2 is the partial sectional view of one embodiment of the invention.The tool that revolves among the figure illustrates with collapsible inner hexagon spanner, is to revolve tool to be in the sketch map when being brought into state in the hollow reservoir that work arbor is provided with, and revolves tool among the figure and is strip.
Fig. 3 is that the tool that revolves among Fig. 2 embodiment is in from the hollow reservoir of work arbor and extracts the partial sectional view during with fastener element mated.Revolve tool among the figure and illustrate, revolve tool and be folded into " L " shape with collapsible inner hexagon spanner.
Fig. 4 is an optimization embodiment of the present invention, the partial sectional view when revolving tool and fastener element mated.The tool that revolves among the figure illustrates with collapsible inner hexagon spanner, and what be folded into " L " shape revolves tool and fastener element mated.
The specific embodiment
As shown in Figure 1: a kind of pendulum-type power tool (10); Pendulum-type power tool (10) comprising: the work arbor (12) that is used to drive working head (68); Working head (68) is fastened on through being threaded between work arbor (12) and tightening member (38) between the working head receiving terminal (36) of tightening member (38) and said work arbor (12), and the tool (70) that revolves of tightening member (38) has at least a part to be brought in the hollow reservoir (15) that work arbor (12) is provided with.The tool (70) that revolves among the figure illustrates with inner hexagon spanner; Tightening member (38) illustrates with screw; Tightening member matches with the internal thread of work arbor, and the major part of revolving tool (70) is brought in the hollow reservoir (15) that work arbor (12) is provided with, and revolves tool (70) and has only fraction to be exposed at outside the tightening member (38) outward; So both guaranteed not influence the instrument normal running and used, and be convenient to again take out and revolve tool.
Can tightening member be designed to screw and match with the internal thread of work arbor, otherwise, also can tightening member be designed to nut and match with the external screw thread of work arbor.
The hollow reservoir of work arbor is advisable with cylindrical hole, is convenient to the processing of the hollow reservoir of work arbor, and the body diameter size is slightly larger than the containing size of revolving tool and gets final product.The degree of depth of hollow reservoir can not be too shallow, to guarantee being had certain-length (arm of force) by its revolving of including in, is convenient to revolve tool tightening member is applied bigger moment.
A cross sectional shape that revolves that revolves tool can be varied; As long as corresponding,, revolve tool to be preferably inner hexagon spanner like regular polygon, "+" font and " rice " font etc. with the head of tightening member; Tightening member is interior hex head fastener; Inner hexagon spanner has that moment is big, volume is little, simple in structure, low-cost standardized advantage, and therefore revolving tool is preferably inner hexagon spanner, and tightening member is interior hex head fastener.Inner hexagon spanner is " L " shape usually.
Revolve the hollow space (40) that tool (70) can pass through tightening member (38) among Fig. 1, bring into the hollow reservoir (15) that work arbor (12) is provided with from the working head receiving terminal (36) of work arbor (12).
Otherwise, also can design like this, revolve tool (70) and bring into the hollow reservoir (15) that work arbor (12) is provided with from the opening part (37) away from work head end (3) of work arbor (12).
The tool (70a) that revolves among Fig. 2 is the collapsible tool that revolves, and illustrates with collapsible inner hexagon spanner, is strip when being in by receiving state, and the hollow reservoir of being convenient to be provided with by work arbor (12) (15) is taken in.
Fig. 3 is that the tool (70a) that revolves among Fig. 2 embodiment is in from the hollow reservoir (15) of work arbor (12) and extracts, with the partial sectional view of tightening member (38) when cooperating.Revolve tool (70a) among the figure and illustrate, revolve tool and be folded into " L " shape, be convenient to revolve tool and fastener element mated, screw tightening member with collapsible inner hexagon spanner.
Tightening member includes nut or screw or bolt or flange or butterfly spring, and tightening member can be one of them, also can be their combination.Can as required tightening member be designed to nut or screw or bolt etc., butterfly spring has compact conformation, and the advantage that anti-loosing effect is good is that the ideal of tightening member is selected.
The pendulum-type power tool in use can upper frequency vibration; Be in and revolve tool (70) as unreliable fixing when being included in state by the hollow reservoir of work arbor (12); Instrument may produce impact noise in using; Even revolve tool and from the hollow reservoir of work arbor (12), deviate from, there is potential safety hazard.For this reason, revolve and to be designed to elastic force or gravity or magnetic force or interference fit between tool (70) and work arbor or the tightening member and to fix, in order to avoid instrument comes off in using.The elastic force cooperation can design usually like this, revolving setting " spring+steel ball " structure on the tool, through the elastic force matching and fixing between the inwall of steel ball and work arbor or tightening member; Perhaps in the inside of work arbor or tightening member or revolve on the outer wall of tool elastic component (like rubber parts) is set.Magnetic force cooperates and can design so usually, and the material that revolves tool, work arbor and tightening member is generally steel, belongs to ferrimagnet, a kind ofly has magnetic or with magnet, just can attract each other to fix as long as have among the three.
Generally, the pendulum-type power tool is like this design, brought into the hollow reservoir of work arbor (12) interior revolve tool (70), when being threaded, revolving tool (70) can separate from tightening member fully at work arbor and tightening member (38).The tool that revolves of the pendulum-type power tool of this design in use is prone to lose, and can improve following design and measure and improve.Inner hexagon spanner and tightening member are constituted one, promptly brought into and revolve tool (70) in the hollow reservoir of work arbor (12), when being threaded, revolving tool (70) can not separate from tightening member fully at work arbor and tightening member (38).
Fig. 4 is that one of such scheme is optimized embodiment, is to revolve tool (70b) and tightening member (38) partial sectional view when cooperating.The tool that revolves among the figure illustrates with collapsible inner hexagon spanner, and what be folded into " L " shape revolves tool and fastener element mated.The hollow space (40a) of tightening member (38) is designed to shoulder hole, and the cross section in its outside is a regular hexagon, matches with the regular hexagon of inner hexagon spanner, and its inboard cross section is the circle that is not less than the orthohexagonal circumscribed circle of inner hexagon spanner.One of inner hexagon spanner is provided with back-up ring, and the back-up ring size, can not be separated from tightening member to guarantee inner hexagon spanner in use greater than the regular hexagon size of tightening member fully.Like this, inner hexagon spanner and tightening member constitute one, and inner hexagon spanner can only be extracted from the outside of tightening member, and can not deviate from fully.Instrument revolves tool (inner hexagon spanner) and can not lose in manipulating process, revolve tool take and put back to all very convenient.
Can certainly the hollow space and the inner hexagon spanner of tightening member be designed to concentric reducer or taper fit is arranged, or stamp screw, also can reach the same effect of above-mentioned optimization embodiment at an end of inner hexagon spanner.
Claims (10)
1. pendulum-type power tool; The pendulum-type power tool comprises: the work arbor that is used to drive working head; Working head is fastened on through being threaded between work arbor and tightening member between the working head receiving terminal of tightening member and said work arbor, and its characteristic has at least a part to be brought in the hollow reservoir that work arbor is provided with as for the tool that revolves of: tightening member.
2. pendulum-type power tool according to claim 1 is characterized in that: the described tool that revolves is an inner hexagon spanner, and tightening member is interior hex head fastener.
3. pendulum-type power tool according to claim 1 is characterized in that: the described hollow space that revolves tool through tightening member, bring into the hollow reservoir that work arbor is provided with from the working head receiving terminal of work arbor.
4. pendulum-type power tool according to claim 1 is characterized in that: the described tool that revolves is brought into the hollow reservoir that work arbor is provided with from the opening part away from the work head end of work arbor.
5. according to claim 1 or 2 or 3 or 4 described pendulum-type power tools, it is characterized in that: described when revolving tool and being in by receiving state, be strip or " L " shape.
6. according to claim 1 or 2 or 3 or 4 described pendulum-type power tools, it is characterized in that: the described tool that revolves is the collapsible tool that revolves.
7. according to claim 1 or 2 or 3 or 4 described pendulum-type power tools, it is characterized in that: described tightening member includes nut or screw or bolt or flange or butterfly spring.
8. according to claim 1 or 2 or 3 or 4 described pendulum-type power tools, it is characterized in that: the described tool that revolves that is in when being included in state by the hollow reservoir of work arbor relies on elastic force or gravity or magnetic force or interference fit to fix, in order to avoid instrument comes off in using.
9. according to claim 1 or 2 or 3 described pendulum-type power tools, it is characterized in that: revolve tool in the described hollow reservoir of being brought into work arbor, when work arbor was threaded with tightening member, revolving tool can not separate from tightening member fully.
10. according to claim 1 or 2 or 3 described pendulum-type power tools; It is characterized in that: revolve tool in the described hollow reservoir of being brought into work arbor; When work arbor was threaded with tightening member, revolving tool (70) can separate from tightening member fully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105854151A CN102485437A (en) | 2010-12-04 | 2010-12-04 | Pendulum-type power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105854151A CN102485437A (en) | 2010-12-04 | 2010-12-04 | Pendulum-type power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102485437A true CN102485437A (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105854151A Pending CN102485437A (en) | 2010-12-04 | 2010-12-04 | Pendulum-type power tool |
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|---|---|
| CN (1) | CN102485437A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4239559A1 (en) * | 1992-11-25 | 1994-05-26 | Festo Kg | Portable power tool, e.g. circular saw, with spindle lock for tool changing - has socket spanner with spigot that passes through bore of clamping screw and spindle and automatically locks spindle by entering locking hole on pitch circle of motor cooling fan |
| CN1332066A (en) * | 2000-07-07 | 2002-01-23 | 布莱克和戴克公司 | Jacket fastener without using tools |
| CN2530784Y (en) * | 2002-04-08 | 2003-01-15 | 顾卫平 | Multifunction gun type combined tool |
| DE19938299B4 (en) * | 1999-08-12 | 2005-03-03 | Tts Tooltechnic Systems Ag & Co. Kg | Machine tool with a drive device for driving a rotating machine tool |
| DE10360372B3 (en) * | 2003-12-22 | 2005-06-09 | Hilti Ag | Tool reception device for electric handtool with blocking device preventing rotation of tool spindle during operation of rotary chuck for clamping or release of tool |
| CN101412212A (en) * | 2008-11-26 | 2009-04-22 | 陈会甫 | Mounting and dismounting head with multiple screwdriver bits |
| CN101758270A (en) * | 2008-11-28 | 2010-06-30 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN201940985U (en) * | 2010-12-04 | 2011-08-24 | 浙江特畅恒实业有限公司 | Pendulum power tool |
-
2010
- 2010-12-04 CN CN2010105854151A patent/CN102485437A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4239559A1 (en) * | 1992-11-25 | 1994-05-26 | Festo Kg | Portable power tool, e.g. circular saw, with spindle lock for tool changing - has socket spanner with spigot that passes through bore of clamping screw and spindle and automatically locks spindle by entering locking hole on pitch circle of motor cooling fan |
| DE19938299B4 (en) * | 1999-08-12 | 2005-03-03 | Tts Tooltechnic Systems Ag & Co. Kg | Machine tool with a drive device for driving a rotating machine tool |
| CN1332066A (en) * | 2000-07-07 | 2002-01-23 | 布莱克和戴克公司 | Jacket fastener without using tools |
| CN2530784Y (en) * | 2002-04-08 | 2003-01-15 | 顾卫平 | Multifunction gun type combined tool |
| DE10360372B3 (en) * | 2003-12-22 | 2005-06-09 | Hilti Ag | Tool reception device for electric handtool with blocking device preventing rotation of tool spindle during operation of rotary chuck for clamping or release of tool |
| CN101412212A (en) * | 2008-11-26 | 2009-04-22 | 陈会甫 | Mounting and dismounting head with multiple screwdriver bits |
| CN101758270A (en) * | 2008-11-28 | 2010-06-30 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN201940985U (en) * | 2010-12-04 | 2011-08-24 | 浙江特畅恒实业有限公司 | Pendulum power tool |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120606 |