CN102513978A - Novel electric hammer - Google Patents
Novel electric hammer Download PDFInfo
- Publication number
- CN102513978A CN102513978A CN201110430526XA CN201110430526A CN102513978A CN 102513978 A CN102513978 A CN 102513978A CN 201110430526X A CN201110430526X A CN 201110430526XA CN 201110430526 A CN201110430526 A CN 201110430526A CN 102513978 A CN102513978 A CN 102513978A
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- Prior art keywords
- drill chuck
- drill
- electric hammer
- pin
- turning set
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- 239000000428 dust Substances 0.000 claims description 15
- 230000002265 prevention Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 3
- 238000004080 punching Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 5
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/062—Means for driving the impulse member comprising a wobbling mechanism, swash plate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Drilling And Boring (AREA)
Abstract
A novel electric hammer comprises a body and a drill chuck. A driving motor, a gear transmission mechanism, a rotating sleeve and an impact mechanism are mounted in the body, the driving motor is connected with an input end of the gear transmission mechanism, an output end of the gear transmission mechanism is connected with the rotating sleeve, the drill chuck is hollow and is mounted on the rotating sleeve through a fixed connection device, the drill chuck is provided with a through hole for an electric hammer drill to penetrate through, the electric hammer drill is mounted in the rotating sleeve, the impact mechanism is positioned in the rear of the electric hammer drill, and a clamping part for clamping an electric drill bit is arranged on the outer wall of the drill chuck. The novel electric hammer is convenient and comfortable in operation, high in punching precision and high in machining efficiency.
Description
Technical field
The present invention relates to a kind of electric tool.
Background technology
Existing electric hammer; With reference to Fig. 1, Figure 1A and Figure 1B, on electric hammer, realize concrete boring operation to drill bit 12 clampings of electric hammer function, during like need drill steel material or timber; With reference to Fig. 2, Fig. 2 A and Fig. 2 B; Need in addition to fit on the electric hammer with refilling after drill chuck 101 is connected, be held in spiral bit 100 or other drill jigs on the drill chuck 101 again and realize bore operation, promptly carry out the electric drill function with connecting rod 102; When the user changes electric hammer function and electric drill function, need install and remove drill chuck 101, can occur the situation of frequent mounting or dismounting drill chuck in actual the use, cause operation very inconvenient; And because when the electric drill function, adopted the connecting rod structure, the head section of connecting rod and drill bit and electric hammer to be connected precision relatively poor; It is big to cause easily beating; And and then cause drilling precision low, user's feel is uncomfortable in addition, working (machining) efficiency is lower.
Summary of the invention
In order to overcome existing electric hammer inconvenient operation, drilling precision is lower, working (machining) efficiency is lower deficiency when realizing the electric drill function, the invention provides a kind of easy to operate, drilling precision is higher, working (machining) efficiency is higher novel electric hammer.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of novel electric hammer comprises fuselage, installing drive motor, gear drive, turning set and beater mechanism in the said fuselage; Said drive motors is connected with the input of gear drive, and the output of said gear drive is connected with turning set, and said novel battery also comprises drill chuck; Said drill chuck is hollow form; Said drill chuck is installed on the said turning set through fixed connection apparatus, and said drill chuck is provided with the through hole that the power supply hammer bit passes, and said electric hammer drill is installed in the said turning set; Said beater mechanism is positioned at the rear of said electric hammer drill, and said drill chuck outer wall is provided with the holder of clamping drill bit.
Further, said drill chuck is manually fastened drill chuck and wrench formula drill chuck between the 6-20mm for the clamping specification.More than be two kinds of modes commonly used, certainly, the mode that also can adopt other to realize.
Said fixed connection apparatus comprises spline and keyway, and said turning set outer wall is provided with spline, and the inwall of said drill chuck is provided with the keyway with said spline fitted, and said spline is nested in the said keyway.
Further again, have first pin-and-hole on the said turning set, have second pin-and-hole on the said drill chuck, fixing pin is installed in said first pin-and-hole and second pin-and-hole successively; Also have first cylinder pin hole on the said turning set, have second cylinder pin hole on the said drill chuck, straight pin is installed in said first cylinder pin hole and second cylinder pin hole successively.
Or: said fixed connection apparatus comprises internal thread and external screw thread, and said turning set outer wall is provided with external screw thread, and the inwall of said drill chuck is provided with the internal thread that cooperates with said external screw thread, and said external screw thread is installed in the said internal thread.
Again or: said fixed connection apparatus comprises inner conical surface and male cone (strobilus masculinus), and said turning set outer wall is provided with male cone (strobilus masculinus), and the inwall of said drill chuck is provided with the inner conical surface that cooperates with said male cone (strobilus masculinus), and said male cone (strobilus masculinus) is installed in the said inner conical surface.
Or be: said fixed connection apparatus comprises pin; Said turning set outer wall is sleeved on the inwall of said drill chuck, has first pin-and-hole on the said turning set, has second pin-and-hole on the said drill chuck; Said pin is installed in said first pin-and-hole and second pin-and-hole successively; Also have first cylinder pin hole on the said turning set, have second cylinder pin hole on the said drill chuck, straight pin is installed in said first cylinder pin hole and second cylinder pin hole successively.
Certainly, fixed connection apparatus also can adopt other mode to realize.
Further, the rear portion that said fixed cover is positioned at drill chuck is sleeved on drill chuck and the turning set simultaneously, installs and fixes circle in the said fixed cover, and an end of back-moving spring withstands on the said retainer plate, and the other end of said back-moving spring is installed on the turning set; Fixed cover blocks the pin of axial location drill chuck and turning set and the straight pin of axial location electric hammer drill simultaneously.
Preferably, the outer dust prevention system of the outside installation of said drill chuck, said outer dust prevention system comprises potted component and fixing head, and said fixing head is assemblied in the drill chuck front portion, and said potted component is sleeved on the outer wall of electric hammer drill.
Said drill chuck inside is provided with interior dust prevention system, and said interior dust prevention system comprises potted component and fixed cover, and potted component is sleeved on the outer wall of electric hammer drill, and said fixed cover is positioned at the inwall of drill chuck.
Beneficial effect of the present invention mainly shows: fuselage part and drill chuck are connected through various different fixing modes, realized an electric tool can accomplish need not dismantle drill chuck just directly clamping comprise that the various different drill bits of electric hammer drill realize various easy to operate, bore operations and improved operating efficiency efficiently; And utilize fixed connection apparatus, various dissimilar drill chucks can be installed on the electric tool or from electric tool fast and unload, and are easy to operate, quick.
Description of drawings
Fig. 1 is the stereogram of existing electric hammer clamping electric hammer drill.
Figure 1A is the structure chart of existing electric hammer clamping electric hammer drill.
Figure 1B is the cutaway view of existing electric hammer clamping electric hammer drill.
Fig. 2 is the stereogram of the existing common spiral bit of electric hammer clamping.
Fig. 2 A is the cutaway view of the existing common spiral bit of electric hammer clamping.
Fig. 2 B is the structure chart of the existing common spiral bit of electric hammer clamping.
Fig. 3 is the stereogram of the electric tool of a kind of first-selected embodiment of the present invention, and wherein showing head section is the Wrench-type drill chuck.
Fig. 4 is the stereogram of electric tool of the present invention, and wherein showing head section is manually fastened drill chuck.
Fig. 5 is the vertical view of electric tool among Fig. 3.
Fig. 6 is the vertical view of electric tool among Fig. 4.
Fig. 7 is the structure chart of electric tool among Fig. 3, and wherein showing head section is the Wrench-type drill chuck.
Fig. 7 A is that electric tool is along the cutaway view of A-A direction among Fig. 5, and wherein showing head section is the Wrench-type drill chuck.
Fig. 7 B is the part figure of the structure chart of electric tool among Fig. 3, and wherein showing the Wrench-type drill chuck is being connected of key form with turning set.
Fig. 8 is the structure chart of electric tool among Fig. 4, and wherein showing head section is manually fastened drill chuck.
Fig. 8 A is that electric tool is along the cutaway view of A-A direction among Fig. 6, and wherein showing head section is manually fastened drill chuck.
Fig. 8 B is the part figure of the structure chart of electric tool among Fig. 6, and wherein showing manually fastened drill chuck is being connected of key form with the turning set fixture.
Fig. 9 is the structure chart of the electric tool of second embodiment of the invention, wherein shows fuselage part and head section (drill chuck) fixture for being threaded.
Fig. 9 A is the cutaway view of the electric tool of second embodiment of the invention.
Fig. 9 B is the part figure of the structure chart of electric tool among Fig. 9, and wherein showing wrench formula drill chuck is being connected of thread forms with the turning set fixture.
Figure 10 is the structure chart of the electric tool of third embodiment of the invention, and wherein showing the fuselage part is that the conical surface is connected with head section (drill chuck) fixture.
Figure 10 A is the cutaway view of the electric tool of third embodiment of the invention.
Figure 10 B is the part figure of the structure chart of electric tool among Figure 10, and wherein showing wrench formula drill chuck is that the conical surface is connected with the turning set fixture.
Figure 11 is the structure chart of the electric tool of four embodiment of the invention, and wherein showing the fuselage part is that pin is connected with head section (drill chuck) fixture.
Figure 11 A is the cutaway view of the electric tool of four embodiment of the invention.
Figure 11 B is the part figure of the structure chart of electric tool among Figure 11, and wherein showing wrench formula drill chuck is that pin is connected with the turning set fixture.
Figure 12 is the stereogram of the common spiral bit of electric tool clamping of the present invention, and what wherein show head section (Wrench-type drill chuck) clamping is common spiral bit.
Figure 12 A is the cutaway view of the common spiral bit of electric tool clamping of the present invention, and what wherein show head section (Wrench-type drill chuck) clamping is common spiral bit.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
With reference to Fig. 3～Figure 12 A, a kind of novel electric hammer comprises fuselage 23; Installing drive motor, gear drive, turning set 39 and beater mechanism 42 in the said fuselage 23, said drive motors is connected with the input of gear drive, and the output of said gear drive is connected with turning set 39; Said electric tool also comprises drill chuck 22; Said drill chuck 22 is hollow form, and said drill chuck 22 is installed on the said turning set 39 through fixed connection apparatus, and said drill chuck 22 is provided with the through hole that power supply hammer bit 21 passes; Said electric hammer drill is installed in the said turning set 39; Said beater mechanism 42 is positioned at the rear of said electric hammer drill 21, and said drill chuck outer wall is provided with the holder of clamping drill bit, can assemble other drill bits such as fluted drill on the said holder.
Said drill chuck is manually fastened drill chuck and wrench formula drill chuck between the 6-20mm for the clamping specification.More than be two kinds of modes commonly used, certainly, the mode that also can adopt other to realize.
Fig. 3 shows the electric tool 20 in a kind of first-selected embodiment among the present invention.Existing Fig. 7, Fig. 7 A electric tool 20 comprise a fuselage 23 and 22, one motors 27 of a drill chuck are placed in the fuselage 23 with reference to Fig. 3 and Fig. 5, and switch 24 is installed in fuselage 23 outsides, and the user is through the opening and closing of console switch 24 control motors 27.In the present embodiment, electric tool 20 comprises an AC power cord 25 that stretches out from fuselage part 23, through the AC power of outside motor is supplied power, and can certainly consider to adopt other modes that motor is supplied power, such as dc source.The interior bone that electric hammer drill 21 passes drill chuck 22 directly is assembled in the turning set 39 of fuselage part 23.Motion transport sector through inside can pass to the motion of motor 27 electric hammer drill 21, operates processing thereby order about 21 pairs of objects of electric hammer drill.In the present embodiment, fuselage part 23 can be two members independent of each other with drill chuck 22, also can be the solid memder that integrates.
With reference to Fig. 3, it is wrench formula drill chuck 22 that Fig. 5, Fig. 7 and Fig. 7 A wherein show head section.Its clamping specification comprises: 6-20mm, concrete clamping dimensions is 6mm, 10mm, 13mm, 20mm.With reference to Fig. 5 B, wherein show wrench formula drill chuck and be connected for the key form with turning set.
With reference to Fig. 4, Fig. 6, it is manually fastened drill chuck 26 that Fig. 8 and Fig. 8 A wherein show head section.Its clamping specification comprises: 6-20mm, concrete clamping dimensions is 6mm, 10mm, 13mm, 20mm.With reference to Fig. 6 B, wherein show manually fastened drill chuck and be connected for the key form with turning set.
With reference to Fig. 7 and Fig. 7 A, motor 27 drives first gear 40, second gear 41, the 3rd gear 43, the 4th gear 44, and turning set 39, drill chuck 22 output torques realize that electric hammer drill 21 rotatablely moves.Drive beater mechanism 42 simultaneously, piston 51 is done reciprocating linear motion in cylinder 52, make jump bit 50 constantly hit electric hammer drill 21.
Press fixed cover 36 with reference to Fig. 7 and Fig. 7 A, drill chuck 22 is connected on the turning set 39 of fuselage part 23 through the key form.Drill chuck 22 is connected with turning set 39 and transmits moment of torsion and realize rotatablely moving, and adopts pin 33 at axial restraint drill chuck 22 and turning set 39 simultaneously, prevents that drill chuck 22 from getting loose.
The front end that Fig. 7 and Fig. 7 A show drill chuck 22 has a dust prevention system and drill chuck 22 to be fixed together, and fixing head 30 has double-layer seal element 31 to cooperate with electric hammer drill 21 to prevent dust in the dust prevention system, and fixing head and drill chuck 22 are fixed together.Prevent in the course of work that outside dust and foreign matter are invaded and damage drill chuck 22, cause the drill chuck 22 can not other type of clamping drill bit.
There is a dust prevention system inside that Fig. 7 and Fig. 7 A show drill chuck 22, and inner dust prevention system comprises potted component 34 and fixed cover 35, and potted component 34 cooperates to come dustproof with electric hammer drill 21.Prevent in the course of work that oil seepages are invaded in the drill chucks 22 in outside dust, foreign matter and the fuselage 23, cause the drill chuck 22 can not other type of clamping drill bit.
Shown in Fig. 7 A, in the present embodiment, can pass the inner through hole of wrench formula drill chuck for the ease of the electric hammer drill of all size and be assembled on the fuselage.Simultaneously, for the electric hammer drill that assembles enough work drilling depths can be arranged.
Preferably, the portion foremost of wrench formula drill chuck is 67mm to the distance B of fuselage part, usually, the scope of distance B at 40mm between the 100mm.Can be assembled to easily on the fuselage for the ease of head section (wrench formula drill chuck); In the present embodiment, preferably, head section (wrench formula drill chuck) is 15.5mm with the key external diameter C that is connected of turning set key form; Usually, the scope of D outer diameter at 12mm between the 50mm.
Shown in Fig. 8 A, can pass the manually fastened drill chuck interior bone for the ease of the electric hammer drill of all size and be assembled on the fuselage.Simultaneously, for the electric hammer drill that assembles enough work drilling depths can be arranged.Preferably, the portion foremost of manually fastened drill chuck is 68mm to the distance B 1 of fuselage part, usually, the scope of distance B 1 at 40mm between the 100mm.Can be assembled to easily on the fuselage for the ease of manually fastened drill chuck, in the present embodiment, preferably, manually fastened drill chuck is 15.5mm with the key external diameter C that is connected of turning set key form, usually, the scope of external diameter C at 12mm between the 50mm.
Press fixed cover 36, the inside through hole that electric hammer drill 21 passes drill chuck 22 directly is assembled in the turning set 39, is axially fixed in the turning set 39 through straight pin 32, realizes that electric hammer drill 21 can not get loose.When unclamping fixed cover 36, automatically reset fixed cover 36 through back-moving spring 38, the retainer plate 37 in the fixed cover 36 blocks the pin 33 of axial restraint working head and the straight pin 32 of axial restraint electric hammer drill 21 simultaneously, and anti-shotpin 33 gets loose with straight pin 32.
When needs during from complete machine 20 dismounting electric hammer drills 21, press fixed cover 36 earlier, fixed cover 36 moves down with the elastic force that retainer plate 37 overcomes back-moving spring 38.When fixed cover 36 moves down, the straight pin 32 of axial restraint electric hammer drill 21 can outwards be moved, can extract electric hammer drill 21 this moment.
When needs during from complete machine 20 dismounting drill chucks 22, press fixed cover 36 earlier, fixed cover 36 moves down with the elastic force that retainer plate 37 overcomes back-moving spring 38.When fixed cover 36 moves down, expose the pin 33 of axial restraint drill chuck 22, can convenient, fast dismounting drill chuck 22 behind the taking-up pin 33.
Fig. 9; Fig. 9 A and Fig. 9 B show another embodiment; Wherein drill chuck 22 is through the fixed form that is threaded with fuselage part 23, and the interior bone that while electric hammer drill 21 passes drill chuck 22 directly is assembled to the function that realizes electric hammer in the turning set 39 on the fuselage part 23.Shown in Fig. 7 A, can be assembled on the fuselage easily for the ease of drill chuck.Preferably, the be threaded major diameter of thread E that is connected of form of drill chuck and turning set is 14mm, usually, the scope of major diameter of thread E at 12mm between the 50mm.
Figure 10; Figure 10 A and Figure 10 B show another embodiment; Wherein drill chuck 22 is to be connected fixed form through the conical surface with turning set 39 in the fuselage part 23; The inside through hole that while electric hammer drill 21 passes drill chuck 22 directly is assembled in the turning set 39 on the fuselage part 23, axially is being fixed on electric hammer drill the function that realizes electric hammer on the turning set 39 through steel ball 48.Shown in Fig. 8 A, can be assembled on the fuselage easily for the ease of drill chuck.
Preferably, the big footpath C of the conical surface of drill chuck and turning set conical surface type of attachment is 15.5mm, usually, the scope of conical surface external diameter C at 12mm between the 50mm.
Figure 11; Figure 11 A and Figure 11 B show another embodiment; Wherein drill chuck 22 is to be connected fixed form through pin with turning set 39 in the fuselage part 23; The inside through hole that while electric hammer drill 21 passes drill chuck 22 directly is assembled in the turning set 39 on the fuselage part 23, axially is fixed on the function that realizes electric hammer on the turning set 39 to electric hammer drill through straight pin 32 again.Shown in Fig. 9 A, can be assembled on the fuselage easily for the ease of drill chuck.Preferably, drill chuck is 15.5mm with the external diameter C that rotates the hollow pin type of attachment, usually, the scope of external diameter C at 12mm between the 50mm.
Fig. 3, Fig. 4, Fig. 7 A and Fig. 8 A show electric tool of the present invention need not dismantle drill chuck 22, just can pass drill chuck 22 inner through holes to electric hammer drill 21 and directly be assembled to the bore operation of realizing the electric hammer function on the fuselage 23.Figure 12 and Figure 12 A show the common spiral bit 100 of drill chuck 22 direct clampings.
Figure 1A and Figure 1B show common electric hammer clamping electric hammer drill.Fig. 2, Fig. 2 A, Fig. 2 B show common electric hammer to be needed be connected with drill chuck 101 with connecting rod 102 in addition then be assemblied on the electric hammer, is held in spiral bit 100 or other drill jigs and realizes bore operation on the drill chuck.
Through Fig. 3 of the present invention, Fig. 4, Fig. 7 A; Fig. 7 A, Figure 1A of Figure 12 and Figure 12 A and common electric hammer, Figure 1B; It is not only more convenient when the various drill bit of clamping than common electric hammer that Fig. 2, Fig. 2 A and Fig. 2 B can embody the present invention, quick and improve precision when increasing work efficiency.
Four kinds of fixed connection apparatus of various keys, screw thread, the conical surface, pin to drill chuck and fuselage part in the foregoing description are described; Those of ordinary skill in the art also can expect adopting other some fixtures to realize in the present embodiment drill chuck being connected with fuselage, and realizes inside through hole that electric hammer drill passes drill chuck directly to be assembled in the turning set of fuselage part and finally realize the boring function of electric hammer.Fixture also is not limited to frame for movement, also can be some other device of realizing fixing maintenance function through modes such as magnetic force.
The electric tool that the present invention discloses is not limited to described content of above embodiment and the represented structure of accompanying drawing.On basis of the present invention, change obviously, substitute or revise, all within the scope that the present invention requires to protect what made the shape of member wherein and position.
Claims (10)
1. a novel electric hammer comprises fuselage, installing drive motor, gear drive, turning set and beater mechanism in the said fuselage; Said drive motors is connected with the input of gear drive; The output of said gear drive is connected with turning set, it is characterized in that: said electric tool also comprises drill chuck, and said drill chuck is hollow form; Said drill chuck is installed on the said turning set through fixed connection apparatus; Said drill chuck is provided with the through hole that the power supply hammer bit passes, and said electric hammer drill is installed in the said turning set, and said beater mechanism is positioned at the rear of said electric hammer drill; Said drill chuck outer wall is provided with the holder of clamping drill bit.
2. novel electric hammer as claimed in claim 1 is characterized in that: said drill chuck is manually fastened drill chuck and wrench formula drill chuck between the 6-20mm for the clamping specification.
3. according to claim 1 or claim 2 novel electric hammer; It is characterized in that: said fixed connection apparatus comprises spline and keyway; Said turning set outer wall is provided with spline, and the inwall of said drill chuck is provided with the keyway with said spline fitted, and said spline is nested in the said keyway.
4. novel electric hammer as claimed in claim 3 is characterized in that: have first pin-and-hole on the said turning set, have second pin-and-hole on the said drill chuck, fixing pin is installed in said first pin-and-hole and second pin-and-hole successively; Also have first cylinder pin hole on the said turning set, have second cylinder pin hole on the said drill chuck, straight pin is installed in said first cylinder pin hole and second cylinder pin hole successively.
5. according to claim 1 or claim 2 novel electric hammer; It is characterized in that: said fixed connection apparatus comprises internal thread and external screw thread; Said turning set outer wall is provided with external screw thread, and the inwall of said drill chuck is provided with the internal thread that cooperates with said external screw thread, and said external screw thread is installed in the said internal thread.
6. according to claim 1 or claim 2 novel electric hammer; It is characterized in that: said fixed connection apparatus comprises inner conical surface and male cone (strobilus masculinus); Said turning set outer wall is provided with male cone (strobilus masculinus), and the inwall of said drill chuck is provided with the inner conical surface that cooperates with said male cone (strobilus masculinus), and said male cone (strobilus masculinus) is installed in the said inner conical surface.
7. according to claim 1 or claim 2 novel electric hammer; It is characterized in that: said fixed connection apparatus comprises pin; Said turning set outer wall is sleeved on the inwall of said drill chuck; Have first pin-and-hole on the said turning set, have second pin-and-hole on the said drill chuck, said pin is installed in said first pin-and-hole and second pin-and-hole successively; Also have first cylinder pin hole on the said turning set, have second cylinder pin hole on the said drill chuck, straight pin is installed in said first cylinder pin hole and second cylinder pin hole successively.
8. according to claim 1 or claim 2 novel electric hammer; It is characterized in that: the rear portion that said fixed cover is positioned at drill chuck is sleeved on drill chuck and the turning set simultaneously; Install and fix circle in the said fixed cover; One end of back-moving spring withstands on the said retainer plate, and the other end of said back-moving spring is installed on the turning set, and fixed cover blocks the pin of axial location drill chuck and turning set and the straight pin or the steel ball of axial location electric hammer drill simultaneously.
9. according to claim 1 or claim 2 novel electric hammer; It is characterized in that: the outer dust prevention system of the outside installation of said drill chuck; Said outside dust prevention system comprises potted component and fixing head, and said fixing head is assemblied in the drill chuck front portion, and said potted component is sleeved on the outer wall of electric hammer drill.
10. according to claim 1 or claim 2 novel electric hammer; It is characterized in that: said drill chuck inside is provided with interior dust prevention system; Dust prevention system comprises potted component and fixed cover in said, and potted component is sleeved on the outer wall of electric hammer drill, and said fixed cover is positioned at the inwall of drill chuck.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430526.XA CN102513978B (en) | 2011-12-02 | 2011-12-02 | Dual-purpose drill clamp and electric hammer drill using drill clamp |
| PCT/CN2012/070301 WO2013078781A1 (en) | 2011-12-02 | 2012-01-13 | Novel electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430526.XA CN102513978B (en) | 2011-12-02 | 2011-12-02 | Dual-purpose drill clamp and electric hammer drill using drill clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102513978A true CN102513978A (en) | 2012-06-27 |
| CN102513978B CN102513978B (en) | 2015-01-21 |
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ID=46285186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110430526.XA Active CN102513978B (en) | 2011-12-02 | 2011-12-02 | Dual-purpose drill clamp and electric hammer drill using drill clamp |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102513978B (en) |
| WO (1) | WO2013078781A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103264374A (en) * | 2013-06-17 | 2013-08-28 | 浙江海王电器有限公司 | Drill chuck with integrated construction drill and straight shank drill capable of being interchanged and locked |
| CN105965072A (en) * | 2016-06-30 | 2016-09-28 | 桂林电子科技大学 | Automatic assembling and disassembling device for twist bit |
| CN110153959A (en) * | 2018-02-14 | 2019-08-23 | 苏州宝时得电动工具有限公司 | hand tools |
| CN112223218A (en) * | 2020-10-23 | 2021-01-15 | 杭州兔研工业设计有限公司 | Impact head for electric pick and electric pick |
| CN113134810A (en) * | 2021-05-14 | 2021-07-20 | 无锡锐克电动工具有限公司 | Electric hammer |
| CN114055639A (en) * | 2021-11-19 | 2022-02-18 | 中国建筑第五工程局有限公司 | Detachable alloy drill bit chiseling electric hammer all-in-one machine |
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| CN106625440B (en) * | 2017-02-21 | 2023-08-04 | 聊城市茌平区豪杰建筑工程有限公司 | Electric hammer support for building punching |
| CN117161446B (en) * | 2023-10-10 | 2024-05-28 | 东台升华工具有限公司 | Conveniently-detached drill bit for hardware machining drilling machine |
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2011
- 2011-12-02 CN CN201110430526.XA patent/CN102513978B/en active Active
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2012
- 2012-01-13 WO PCT/CN2012/070301 patent/WO2013078781A1/en active Application Filing
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264374A (en) * | 2013-06-17 | 2013-08-28 | 浙江海王电器有限公司 | Drill chuck with integrated construction drill and straight shank drill capable of being interchanged and locked |
| CN103264374B (en) * | 2013-06-17 | 2016-01-20 | 浙江海王电器有限公司 | Build work drill bit and straight shank drill one permutation lock bench drill chuck |
| CN105965072A (en) * | 2016-06-30 | 2016-09-28 | 桂林电子科技大学 | Automatic assembling and disassembling device for twist bit |
| CN105965072B (en) * | 2016-06-30 | 2018-03-06 | 桂林电子科技大学 | A kind of spiral bit automatic handling device |
| CN110153959A (en) * | 2018-02-14 | 2019-08-23 | 苏州宝时得电动工具有限公司 | hand tools |
| CN112223218A (en) * | 2020-10-23 | 2021-01-15 | 杭州兔研工业设计有限公司 | Impact head for electric pick and electric pick |
| CN113134810A (en) * | 2021-05-14 | 2021-07-20 | 无锡锐克电动工具有限公司 | Electric hammer |
| CN114055639A (en) * | 2021-11-19 | 2022-02-18 | 中国建筑第五工程局有限公司 | Detachable alloy drill bit chiseling electric hammer all-in-one machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102513978B (en) | 2015-01-21 |
| WO2013078781A1 (en) | 2013-06-06 |
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Effective date of registration: 20190904 Address after: 321200 No. 18 Huanglong Third Road, Huanglong Industrial Zone, Hushan Street, Wuyi County, Jinhua City, Zhejiang Province Patentee after: Jinhua poly Electric Appliance Co., Ltd. Address before: 321200 No. 18 Huanglong Third Road, Huanglong Industrial Zone, Hushan Street, Wuyi County, Zhejiang Province Patentee before: Zhejiang SKT Electric Machine Co., Ltd. |