CN103448031A - Tool device - Google Patents
Tool device Download PDFInfo
- Publication number
- CN103448031A CN103448031A CN2013102012969A CN201310201296A CN103448031A CN 103448031 A CN103448031 A CN 103448031A CN 2013102012969 A CN2013102012969 A CN 2013102012969A CN 201310201296 A CN201310201296 A CN 201310201296A CN 103448031 A CN103448031 A CN 103448031A
- Authority
- CN
- China
- Prior art keywords
- sliding members
- tool device
- surface type
- wide
- basically
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 description 14
- 238000007789 sealing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/26—Lubricating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0011—Details of anvils, guide-sleeves or pistons
- B25D2217/0015—Anvils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0011—Details of anvils, guide-sleeves or pistons
- B25D2217/0019—Guide-sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0011—Details of anvils, guide-sleeves or pistons
- B25D2217/0023—Pistons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Lubricants (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention relates to a tool assembly (10a, 10b) provided with at least one slide member (12a, 12b) and at least one guide element (14a, 14b). The guide element is at least in one sliding connection with the at least one slide member (12a, 12b) so as to guide the at least one slide member (12a, 12b). It is suggested that the slide element (12a, 12b) and / or the guide element (14a, 14b) are provided with at least one surface profiling (16a, 16b) adapted to transport a fluid within a sliding area.
Description
Background technology
Known a kind of tool device with at least one sliding members and at least one director element, described director element is slidably connected and is connected with described at least one sliding members for described at least one sliding members is led by least one
Summary of the invention
The present invention relates to a kind of tool device with at least one sliding members and at least one director element, described director element is slidably connected and is connected with described at least one sliding members for described at least one sliding members is led by least one." setting " especially is appreciated that specialized designs and/or sets." sliding members " especially is appreciated that an element, and it contacts at least one director element at least in part.In particular, the contact area of described at least one sliding members and described at least one director element is constructed to be slidably connected." be slidably connected " and especially be appreciated that a connection, described at least one sliding members and described at least one director element are slidably connected by this connection.Especially such connection that is slidably connected, in this junction, described at least one sliding members and described at least one director element are relative to each other movingly, be supported especially slidably.When preferably described at least one sliding members and described at least one director element are when motion, especially at sliding motion by least one connection, especially directly contact by being slidably connected." director element " especially is appreciated that an element, and this element is slidably connected and is connected with described at least one sliding members for described at least one sliding members is led by least one.
The present invention's suggestion, described sliding members and/or described director element have at least one surface type exterior feature in the described zone be slidably connected, and described surface type exterior feature is arranged for transmitting fluid.Described at least one surface type exterior feature especially is arranged for against original flow direction and carries fluid.Preferably described at least one surface type exterior feature is arranged for by capillarity and carries fluid.Advantageously, described fluid is by a kind of lubricant for example fat, oil or seem that for the technical staff significant any other lubricant forms." surface type exterior feature " especially is appreciated that, at least one surface has a structure at least basically.The processing that described at least one surface type exterior feature especially on purpose carries out by least one on described at least one surface produces.Preferably, described at least one surface type exterior feature is different from natural, crude surface texture, wherein, " natural, crude surface texture " is appreciated that a surface texture, it is in the situation that avoid the autotelic processing of effects on surface to have an object, especially in the situation that avoid on purpose offering from the teeth outwards dead slot and/or on purpose arranging protruding.Advantageously, described at least one surface type exterior feature is opened in surface as regular pattern, as especially by laser, by electron beam, by microparticle material bundle, for example sandblast bundle, by evaporation coating method, by sputter or by engraving method or any other for technical staff's significant method of surface finish that seems.For example, described at least one surface type exterior feature can be constructed to wave structure.Can expect equally, described at least one surface type exterior feature is constructed to the spiral around cylindrical body.Described at least one surface type exterior feature also can be constructed to zigzag structure or any other for the seem structure of significant rule of technical staff.Statement, described at least one surface type wide " at least basically thering is a structure ", especially be appreciated that, described at least one surface struts by least one face zone, and this face zone surpasses 60%, preferably surpass 70% and especially surpass 75% and have described at least one surface type exterior feature.By can advantageously improving the specific load ability according to design of the present invention and reducing thus the probability of premature failure.Can realize using cheap polymeric material, especially thermoplastic by the lower temperature at the friction position in addition.
Suggestion in addition, described at least one surface type exterior feature is constructed to a miniature exterior feature at least basically." miniature exterior feature " especially is appreciated that a surface type exterior feature, and it has the size in micrometer range at least basically." micrometer range " especially is appreciated that the scope between (comprising) 1 micron and (not comprising) 1mm.Statement, described at least one surface type wide " at least basically being constructed to miniature exterior feature ", especially be appreciated that, described at least one surface type is wide surpasses 60%, preferably surpass 70% and especially surpass 75% and be constructed to miniature exterior feature.Statement, described at least one surface type wide " at least basically thering is the size in micrometer range ", especially be appreciated that, described at least one surface type is wide surpasses 50%, preferably surpass 70% and especially surpass 90% size had in micrometer range.By can advantageously realize the lubricant input according to design of the present invention.Although especially can still realize the lubricant input against original flow direction and by the mechanically cutting of centrifugal force and/or scraping.
Suggestion in addition, described at least one surface type exterior feature has width and/or a degree of depth that at least basically is less than 30 microns." at least basically " especially be appreciated that in context, with the deviation of a predetermined value especially be less than this predetermined value 25%, preferably be less than 10% and particularly preferably be less than 5%.By can advantageously realizing according to design of the present invention by capillary lubricant input.
Suggestion in addition, described at least one surface type exterior feature is constructed at least one channel structure at least basically." channel structure " especially is appreciated that a structure, it has in a plurality of raceway grooves and described a plurality of raceway groove one in this raceway groove is deployed in to a plane time and has an extension about a direction in three directions in described three dimensions during by three three dimensions that orthogonal direction struts respectively observing one, and this extends at least basically and to surpass greatly 10 times, preferably to surpass 15 times and especially over 20 times than the corresponding extension on two directions vertical with respect to this direction." at least basically " especially be appreciated that in context, with the deviation of a predetermined value especially be less than this predetermined value 25%, preferably be less than 10% and particularly preferably be less than 5%.Statement, described at least one surface type wide " at least basically being constructed to channel structure ", especially be appreciated that, described at least one surface type is wide surpasses 50%, preferably surpass 60% and especially surpass 75% and be constructed to channel structure.By can advantageously reduce the lubricant disappearance when temperature descends according to design of the present invention.
Suggestion in addition, described at least one channel structure is constructed to longitudinal channel structure at least basically about glide direction." longitudinal channel structure " especially is appreciated that a structure, and this structure has at least one longitudinal channel, especially a plurality of longitudinal channels.For example, each longitudinal channel of longitudinal channel structure can mutually be any and seem that for the technical staff significant angle arranges relative to each other, for example 45 ° and 90 °.In particular, each longitudinal channel of longitudinal channel structure is at least basically directed in parallel to each other.Statement, the mutual orientation " at least substantially parallel " of each longitudinal channel of longitudinal channel structure, especially be appreciated that, each longitudinal channel of longitudinal channel structure presss from both sides at least one angle relative to each other, and the angular deviation of this angle and 0 ° and/or 180 ° is less than 5 °, preferably is less than 3 ° and especially be less than 1 °." longitudinal channel " especially is appreciated that a raceway groove, and this raceway groove is at least basically directed on the longitudinal direction of parts.Statement, at least one raceway groove " at least basically parts vertically on " orientation, especially be appreciated that, in the vector to raceway groove is observed, one these parts vertically on the numerical value of directed vector surpass by these parts vertically on the numerical value of directed vector and a numerical value sum at the transversely directed vector of these parts 80%, preferably surpass 90% and especially surpass 95%.Statement, described at least one channel structure " is constructed to longitudinal channel " at least basically, especially is appreciated that, and described at least one channel structure surpasses 50%, preferably surpass 60% and especially surpass 75% and be constructed to longitudinal channel.By according to design of the present invention, can advantageously realizing the simple manufacture of described at least one surface type exterior feature and the simple manufacture of especially described at least one channel structure.
Suggestion in addition, described at least one sliding members and described at least one director element consist of the parts of a beater mechanism.By can advantageously improve the lubricant input of beater mechanism according to design of the present invention.
Suggestion in addition, described at least one sliding members consists of an impactor and/or impact bolt." impactor " especially is appreciated that parts, these parts a director element inside, especially in hammer pipe and/or the motion of tank shape internal piston in case by impulse be delivered to tool device another parts, especially impact on bolt.Preferably, impact the bolt impactor at the director element internal motion so that by pressure, especially by an air pressure generation impulse produced by the piston led in director element." hammer pipe " especially is appreciated that a pipe, this pipe are arranged for and supports movingly impactor on main operative orientation.Preferably, in hammer pipe inside, can set up a control air pressure at least one running status, this control air pressure makes impactor accelerate at least one running status." main operative orientation " especially is appreciated that a direction, and the operator upwards drives the Work tool device in the working motion in predetermined manner the party.Preferably this main operative orientation is parallel to an impact direction orientation of impactor.By can advantageously improving lubricant input according to design of the present invention and improving thus impactor and/or impact the unit bearing capacity of bolt and reduce thus the probability of premature failure.
Suggestion in addition, described at least one sliding members consists of an eccentric element.For example this eccentric element can be constructed to eccentric wheel.In particular, eccentric element is constructed to eccentric bolt.Preferably, eccentric element is constructed to connecting rod and especially is constructed to tie rod holes.By can advantageously realize the lubricant input of eccentric element according to design of the present invention.
A kind of hand held power machine had according to tool device of the present invention is proposed in a kind of other design of the present invention.Input and avoid adding again lubricant by the lubricant that can advantageously guarantee toolroom machine according to design of the present invention.
The accompanying drawing explanation
Other advantage is drawn by following accompanying drawing.Two embodiment of the present invention shown in the drawings.Accompanying drawing, specification and claim combine and contain large measure feature.The technical staff is also these features of single consideration and be combined into significant other combination schematically.It illustrates:
Fig. 1 illustrates the hammer drill had according to hand machine tool striking mechanism of the present invention;
Fig. 2 illustrates according to tool device of the present invention with cutaway view; With
Fig. 3 illustrates the shift design scheme according to tool device of the present invention with broken section.
The specific embodiment
Fig. 1 illustrates a hammer drill 42a who has according to tool device 10a of the present invention, and it dots in Fig. 1.Hammer drill 42a has a pistol-like machine case 44a, in this machine case, is provided with according to tool device 10a of the present invention.Be provided with in addition a handgrip 46a with executive component 48a on machine case 44a.Hammer drill 42a has an additional handgrip 50a in addition, in order to improve the carrying of hammer drill 42a.
Fig. 2 with cutaway view illustrate have a sliding members 12a and a director element 14a according to tool device 10a of the present invention, director element is slidably connected and is connected with sliding members 12a for sliding members 12a is led by one.According to the present invention, sliding members 12 and/or director element 14a have at least one and are arranged for the wide 16a of the surface type of carrying fluid in the zone be slidably connected.In addition, according to the present invention's regulation, sliding members 12a consists of an impactor 26a and/or an impact bolt.
In the embodiment shown in Fig. 2, sliding members 12a consists of impactor 26a.Director element 14a consists of a hammer pipe 30a.Therefore, sliding members 12a and director element 14a consist of the parts of beater mechanism.Can expect in conversion or additionally, sliding members 12a consists of an eccentric element 28a.Eccentric element 28a can for example be constructed to connecting rod 32a.Can expect equally, eccentric element 28a is constructed to eccentric bolt 34a.Eccentric bolt 34a is arranged on an eccentric wheel 36a.Connecting rod 32a is connected with eccentric bolt 34a and is connected with a piston 38a.Can drive eccentric wheel 36a by piston 38a by such layout in a known way.
The sliding members 12a that is configured to impactor 26a is bearing in the director element 14a that is configured to hammer pipe 30a slidably.Especially director element 14a is arranged for sliding members 12a is supported slidably about glide direction 22a.The parts of beater mechanism are protected in order to avoid wear and tear when sliding-contact by lubricant.Because be heated in the zone that these parts are being slidably connected when sliding-contact and lubricant, for example fat or oil, from hot position, flow to cold position, so increased, lacking lubricated risk in the zone be slidably connected.In order to reduce this risk, according to the present invention, the wide 16a of already mentioned surface type is set.The wide 16a of this surface type is constructed to channel structure 20a.Especially channel structure 20a is constructed to longitudinal channel structure 24a about glide direction 22a.If a hand held power machine is equipped with according to tool device 10a of the present invention, can particularly advantageously reduces so hand held power machine and lack lubricated risk.
An alternative embodiment of the invention shown in Figure 3.Following explanation and accompanying drawing are limited to the difference between these embodiment basically, wherein, about the identical parts of drawing, especially basically also can be with reference to the description of the embodiment of other embodiment, especially Fig. 1 and 2 about parts with same reference numerals.In order to distinguish these embodiment, the female a of back word adding in the Reference numeral of the embodiment in Fig. 1 and 2.Alphabetical a replaces by alphabetical b in the embodiments of figure 3.
Fig. 3 illustrates the shift design scheme according to tool device 10b of the present invention with local cutaway view.Be the layout of wide 16a, 16b of surface type in the difference of the embodiment of the embodiment shown in Fig. 3 and Fig. 2.In the embodiment of Fig. 2, director element 14a has the wide 16a of surface type.In the embodiment shown in Fig. 3, sliding members 12b has the wide 16b of surface type in the zone be slidably connected, and it is arranged for transmitting fluid.In addition, Fig. 3 illustrates, and the wide 16b of surface type can be additionally provided on piston 38b.The wide 16a of surface type is constructed to channel structure 20b, and wherein, channel structure 20b is constructed to longitudinal channel structure 24b about glide direction 22b.As shown in Figure 3, the wide 16a of surface type extends until the zone of piston sealing device 40b, and wherein, the zone of piston sealing device 40b is omitted.But when enough sealings and less sealing wear, can expect, the wide 16a of surface type is arranged in the zone of piston sealing device 40b equally.
Claims (9)
1. there is at least one sliding members (12a; 12b) with at least one director element (14a; Tool device 14b), described director element is slidably connected and described at least one sliding members (12a by least one; 12b) connect and be used for described at least one sliding members (12a; 12b) guiding, is characterized in that described sliding members (12a; 12b) and/or described director element (14a; 14b) there is the wide (16a of at least one surface type that is arranged for transmitting fluid in the described zone be slidably connected; 16b).
2. tool device according to claim 1, is characterized in that, the wide (16a of described at least one surface type; 16b) at least basically be constructed to a miniature exterior feature (18a; 18b).
3. tool device according to claim 1 and 2, is characterized in that, the wide (16a of described at least one surface type; 16b) there is width and/or the degree of depth that at least basically is less than 30 microns.
4. according to the described tool device of any one of the preceding claims, it is characterized in that the wide (16a of described at least one surface type; 16b) at least basically be constructed at least one channel structure (20a; 20b).
5. tool device according to claim 4, is characterized in that, described at least one channel structure (20a; 20b) about a glide direction (22a; 22b) at least basically be constructed to longitudinal channel structure (24a; 24b).
6. according to the described tool device of any one of the preceding claims, it is characterized in that described at least one sliding members (12a; 12b) with described at least one director element (14a; 14b) parts by a beater mechanism form.
7. according to the described tool device of any one of the preceding claims, it is characterized in that described at least one sliding members (12a; 12b) by an impactor (26a; 26b) and/or one impact bolt and form.
8. according to the described tool device of any one of the preceding claims, it is characterized in that described at least one sliding members (12a; 12b) by an eccentric element (28a; 28b) form.
9. have according to the described tool device (10a of any one in claim 1 to 8; Hand held power machine 10b).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012209018 | 2012-05-29 | ||
| DE102012209018.5 | 2012-05-29 | ||
| DE201310202248 DE102013202248A1 (en) | 2012-05-29 | 2013-02-12 | Tool device for hand-held power tool used in drilling hammer, has surface profiles which are provided in region of sliding connection of guide elements and sliding elements for transferring fluid |
| DE102013202248.4 | 2013-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103448031A true CN103448031A (en) | 2013-12-18 |
| CN103448031B CN103448031B (en) | 2017-07-11 |
Family
ID=49579641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310201296.9A Active CN103448031B (en) | 2012-05-29 | 2013-05-27 | Tool device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103448031B (en) |
| DE (1) | DE102013202248A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9909666B2 (en) | 2014-12-01 | 2018-03-06 | Caterpillar Inc. | Hammer having piston sleeve with spiral grooves |
| DE102016204498A1 (en) * | 2016-03-18 | 2017-09-21 | Robert Bosch Gmbh | bearing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040182589A1 (en) * | 2002-12-19 | 2004-09-23 | Holger Cecchin | Percussion electrical hand held tool |
| CN1533866A (en) * | 2003-04-01 | 2004-10-06 | 株式会社牧田 | Electric tool |
| CN1545443A (en) * | 1999-12-21 | 2004-11-10 | 罗伯特・博施有限公司 | Schlag supported drill |
| CN1792563A (en) * | 2004-12-23 | 2006-06-28 | 百得有限公司 | Drive mechanism for a power tool |
| CN101058153A (en) * | 2002-09-13 | 2007-10-24 | 百得有限公司 | Rotary tool |
| JP2010247326A (en) * | 2009-04-20 | 2010-11-04 | Hilti Ag | Impact driver and method for controlling impact driver |
-
2013
- 2013-02-12 DE DE201310202248 patent/DE102013202248A1/en active Pending
- 2013-05-27 CN CN201310201296.9A patent/CN103448031B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1545443A (en) * | 1999-12-21 | 2004-11-10 | 罗伯特・博施有限公司 | Schlag supported drill |
| CN101058153A (en) * | 2002-09-13 | 2007-10-24 | 百得有限公司 | Rotary tool |
| US20040182589A1 (en) * | 2002-12-19 | 2004-09-23 | Holger Cecchin | Percussion electrical hand held tool |
| CN1533866A (en) * | 2003-04-01 | 2004-10-06 | 株式会社牧田 | Electric tool |
| CN1792563A (en) * | 2004-12-23 | 2006-06-28 | 百得有限公司 | Drive mechanism for a power tool |
| JP2010247326A (en) * | 2009-04-20 | 2010-11-04 | Hilti Ag | Impact driver and method for controlling impact driver |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013202248A1 (en) | 2013-12-05 |
| CN103448031B (en) | 2017-07-11 |
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