CN201619095U - Quick clamping device for electric hammer - Google Patents
Quick clamping device for electric hammer Download PDFInfo
- Publication number
- CN201619095U CN201619095U CN2010201010883U CN201020101088U CN201619095U CN 201619095 U CN201619095 U CN 201619095U CN 2010201010883 U CN2010201010883 U CN 2010201010883U CN 201020101088 U CN201020101088 U CN 201020101088U CN 201619095 U CN201619095 U CN 201619095U
- Authority
- CN
- China
- Prior art keywords
- chuck
- hammer
- connecting rod
- steel ball
- drill
- 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 - Lifetime
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
- B23B31/1071—Retention by balls
-
- 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
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
- B25D17/084—Rotating chucks or sockets
- B25D17/088—Rotating chucks or sockets with radial movable locking elements co-operating with bit shafts specially adapted therefor
-
- 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
- B25D2217/003—Details relating to chucks with radially movable locking elements
- B25D2217/0038—Locking members of special shape
- B25D2217/0042—Ball-shaped locking members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
- Gripping On Spindles (AREA)
Abstract
A quick clamping device for an electric hammer, including a chuck linkage used for installing a hammer chuck or a drill chuck, a rotation sleeve, a switch sleeve and a reduction box, the rotation sleeve is located inside the switch sleeve and the reduction box, the chuck linkage is, via a spline, installed inside the rotation sleeve, which is provided with a steel ball, the inner side of which abuts against the inside of the steel ball groove of the chuck linkage, the outside of the steel ball contacts to the steel ball back-up ring, which is inside the switch sleeve. The utility model provides a quick clamping device for electric hammer characterized by convenient and rapid replacement, and higher accuracy of a drill hole.
Description
Technical field
The utility model belongs to the electric hammer field, relates in particular to a kind of clamping device of electric hammer.
Background technology
Electric hammer is by motor, gear reduction box, the fork beater mechanism, rotating drill rod mechanism, clutch, cylinder assembly, the tool-holder gripping member, overload protection arrangement, compositions such as power switch and power supply coupling assembling, gear reduction box is fixedlyed connected with the tool-holder gripping member, rotating shaft one side of motor is provided with a gear, rotatablely moving of motor meshed the gear of a side by the rotating shaft shaft gear, the gear driven axle, axle is provided with a pair of hammer shelves clutch, the clutch of seeking loopholes, when hammering the shelves clutches engaged into shape to Oscillating lever bearing, through the fork beater mechanism jump bit in the cylinder is moved reciprocatingly in cylinder, variation by the air chamber volume, make another piston reciprocates in the turning set, make cutter obtain impact energy; The clutch of seeking loopholes drives a pair of gear, and driven gear wherein is connected with cylinder jacket by clutch, thereby makes cutter obtain torque.
Usually, electric hammer have cut a hole simultaneously and bore, single bore, three functions of single cutter.When selecting " cutter bores " shelves for use, hammer shelves clutch and Oscillating lever bearing are in bonding state, and the gear that is both on seek loopholes clutch and the axle also is in bonding state; When selecting " brill " shelves for use, hammer shelves clutch and Oscillating lever bearing are in released state, and the clutch of seeking loopholes is in bonding state, and driven gear and driving gear engagement make cutter obtain torque; When selecting " cutter " shelves for use, the clutch of seeking loopholes is in released state, and driven gear separates with driving gear, and cutter does not rotate; Turning set all is a monoblock type, quick-detach soon, and when boring, moving of drill bit is very big, and precision is very low.
Summary of the invention
For the replacing trouble of the clamping device that overcomes existing electric hammer, the low deficiency of accuracy of boring, the utility model provide a kind of change convenient and swift, and improve the quick clamping device of electric hammer of the accuracy of boring.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of quick clamping device of electric hammer, comprise chuck connecting rod, turning set, switch cover and reduction box in order to hammer chuck or drill chuck to be installed, described turning set is positioned at switch cover and reduction box, described chuck connecting rod is installed in the turning set by spline, described turning set is provided with steel ball, described steel ball is inboard conflicts in the steel ball groove of described chuck connecting rod, and the described steel ball outside contacts with the steel ball back-up ring, and described steel ball back-up ring is positioned at the switch cover.
Further, be provided with the switch sleeve spring between described switch cover and the turning set.
Further again, the outside, described turning set end is provided with circlip for shaft, and the inwall of described switch cover is provided with switch cover back-up ring, and described circlip for shaft contacts with described switch cover back-up ring.
Described drill chuck is made up of self-tightening drill chuck, cross sunk screw, circlip for shaft, drill point connecting rod, drill point protecting cover; Described drill point protecting cover puts the drill point connecting rod, axially blocks the drill point connecting rod by circlip for shaft and forms assembly, and described assembly is screwed in self-tightening drill chuck, the cross sunk screw is connected with the drill point connecting rod from self-tightening drill chuck is inner again.
Described hammer chuck is made up of protecgulum, axle-steel silk back-up ring, steel ball, hammer folder overcoat, hammer folder connecting rod, drill chuck spring, drill chuck; Described hammer presss from both sides the steel ball of packing into successively respectively on the connecting rod, drill chuck spring, drill chuck, hammer folder overcoat, snaps in hammer folder connecting rod by axle-steel silk back-up ring, puts protecgulum again.
Technical conceive of the present utility model is: hammer chuck and drill chuck can be changed use according to actual needs fast; Hammer folder connecting rod on the hammer chuck installs in the turning set, and the external splines of hammer folder connecting rod cooperates with the internal spline of turning set, and when reality was used, the hammer chuck that installs can be with turning set circumferentially with changeing; Two steel balls in addition that cooperate with turning set, the steel ball back-up ring on keeping to the side blocks, and makes steel ball block turning set and hammer chuck, axially is well fixed.When assembling, press the switch cover earlier, make the switch cover depress the steel ball back-up ring, push down, on turning set, load onto the hammer chuck simultaneously, two steel balls on the turning set will run outward, the switch cover is depressed and is run into reduction box, and steel ball can not run out of turning set again entirely, and the hammer chuck just can install to the position smoothly, decontroling the switch cover, the time two steel balls multiple; Once assembling has just been finished in whole action.Change the hammer chuck, as long as press the switch cover, pulling hammer chuck, two steel balls in the turning set will run outward, and the hammer chuck just can be pulled out smoothly.When using drill chuck, operating procedure is with the installation and removal of hammer chuck.
The beneficial effects of the utility model mainly show: change convenient and swift, and improve the accuracy of boring.
Description of drawings
Fig. 1 is the schematic diagram of hammer chuck.
Fig. 2 is the schematic diagram of drill chuck.
Fig. 3 is the schematic diagram of the utility model structure.
Fig. 4 is the schematic diagram of this practicality hammer chuck and the assembling of quick change turning set assembly.
Fig. 5 is the schematic diagram of this practical drill chuck and the assembling of quick change turning set assembly.
Fig. 6 is the schematic diagram of this practicality hammer chuck and the dismounting of quick change turning set assembly.
Fig. 7 is the schematic diagram of this practical drill chuck and the dismounting of quick change turning set assembly.
Fig. 8 is the decomposing schematic representation of this practicality hammer chuck.
Fig. 9 is the decomposing schematic representation of this practical drill chuck.
Figure 10 is the decomposing schematic representation of this practical quick change turning set assembly.
Figure 11 is this practicality hammer folder connecting rod schematic diagram.
Figure 12 is this practical drill point connecting rod schematic diagram.
Figure 13 is this practical turning set schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1～Figure 13, a kind of quick clamping device of electric hammer, comprise chuck connecting rod, turning set 21, switch cover 15 and reduction box 19 in order to hammer chuck or drill chuck to be installed, described turning set 21 is positioned at switch cover 15 and reduction box 19, described chuck connecting rod is installed in the turning set 21 by spline, described turning set 21 is provided with steel ball 17, described steel ball 17 inboard conflicts in the steel ball groove of described chuck connecting rod, the described steel ball outside contacts with steel ball back-up ring 16, and described steel ball back-up ring 16 is positioned at switch cover 15.
Be provided with switch sleeve spring 18 between described switch cover 15 and the turning set 21.The outside, described turning set 21 ends is provided with circlip for shaft 13, and the inwall of described switch cover 15 is provided with switch cover back-up ring 14, and described circlip for shaft 13 contacts with described switch cover back-up ring 14.
Hammer chuck and drill chuck can be changed use according to actual needs fast; Hammer folder connecting rod 7 on the hammer chuck (Fig. 1) installs in the turning set 21, and the external splines B of hammer folder connecting rod 7 cooperates with the internal spline E of turning set 21, and when reality was used, the hammer chuck (Fig. 1) that installs can be with turning set 21 circumferentially with changeing; Two steel balls 17 in addition that cooperate with turning set 21, the steel ball back-up ring 16 on keeping to the side blocks, and makes two steel balls 17 block turning set 21 and hammer folder connecting rod 7, axially is well fixed.When assembling, press switch cover 15 earlier, make switch cover 15 depress steel ball back-up ring 16, push down switch cover 15, on turning set 21, load onto hammer folder connecting rod 7 simultaneously, hammer folder connecting rod 7 squeezes two steel balls 17 outward, switch cover 15 is depressed and is run into reduction box 19, and steel ball 17 can not run out of turning set 21 again entirely, and hammer folder connecting rod 7 just can install to the position smoothly, decontroling switch cover 15, the restoring force of switch sleeve spring 18 makes two steel balls 17 toward turning set 21 motions; Once assembling has just been finished in whole action.Dismounting hammer chuck (Fig. 1), as long as press switch cover 15, pulling hammer chuck (Fig. 1), two steel balls 17 in the turning set 18 will run outward, and hammer chuck (Fig. 1) just can be pulled out smoothly.When with drill chuck (Fig. 2), operating procedure is with the installation and removal of hammer chuck (Fig. 1).
This practical quick change turning set assembly has can guarantee electric hammer when " cutter " changes to " brill ", can quicker replacing clamping device, and " brill " Shi Nengti the advantages such as accuracy of boring.
Described drill chuck is made up of self-tightening drill chuck, cross sunk screw (left side), circlip for shaft, drill point connecting rod, drill point protecting cover; Described drill point protecting cover puts the drill point connecting rod, axially block the drill point connecting rod by circlip for shaft, axial location, handle component screws in self-tightening drill chuck, and then cross sunk screw (left side) is connected with the drill point connecting rod from self-tightening drill chuck is inner, self-tightening drill chuck can not drop out yet during rotating like this.
Described hammer chuck is made up of protecgulum, axle-steel silk back-up ring, steel ball, hammer folder overcoat, hammer folder connecting rod, drill chuck spring, drill chuck; Described hammer presss from both sides the steel ball of packing into successively respectively on the connecting rod, drill chuck spring, drill chuck, hammer folder overcoat, snaps in hammer folder connecting rod by axle-steel silk back-up ring, blocks part and does not drop out, and puts protecgulum again, can prevent dust.
Claims (5)
1. the quick clamping device of an electric hammer, comprise chuck connecting rod, turning set, switch cover and reduction box in order to hammer chuck or drill chuck to be installed, described turning set is positioned at switch cover and reduction box, it is characterized in that: described chuck connecting rod is installed in the turning set by spline, described turning set is provided with steel ball, described steel ball is inboard conflicts in the steel ball groove of described chuck connecting rod, and the described steel ball outside contacts with the steel ball back-up ring, and described steel ball back-up ring is positioned at the switch cover.
2. the quick clamping device of electric hammer as claimed in claim 1 is characterized in that: be provided with the switch sleeve spring between described switch cover and the turning set.
3. the quick clamping device of electric hammer as claimed in claim 1 or 2 is characterized in that: the outside, described turning set end is provided with circlip for shaft, and the inwall of described switch cover is provided with switch cover back-up ring, and described circlip for shaft overlaps back-up ring with described switch and contacts.
4. the quick clamping device of electric hammer as claimed in claim 1 or 2, it is characterized in that: described drill chuck is made up of self-tightening drill chuck, cross sunk screw, circlip for shaft, drill point connecting rod, drill point protecting cover; Described drill point protecting cover puts the drill point connecting rod, axially blocks the drill point connecting rod by circlip for shaft and forms assembly, and described assembly is screwed in self-tightening drill chuck, the cross sunk screw is connected with the drill point connecting rod from self-tightening drill chuck is inner again.
5. the quick clamping device of electric hammer as claimed in claim 1 or 2 is characterized in that: described hammer chuck is made up of protecgulum, axle-steel silk back-up ring, steel ball, hammer folder overcoat, hammer folder connecting rod, drill chuck spring, drill chuck; Pack into successively respectively on the described hammer folder connecting rod steel ball, drill chuck spring, drill chuck and, hammer folder overcoat, snap in hammer folder connecting rod by axle-steel silk back-up ring, put protecgulum again.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201010883U CN201619095U (en) | 2010-01-21 | 2010-01-21 | Quick clamping device for electric hammer |
| PCT/CN2010/071032 WO2011088634A1 (en) | 2010-01-21 | 2010-03-14 | Quick clamping device of electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201010883U CN201619095U (en) | 2010-01-21 | 2010-01-21 | Quick clamping device for electric hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201619095U true CN201619095U (en) | 2010-11-03 |
Family
ID=43022553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201010883U Expired - Lifetime CN201619095U (en) | 2010-01-21 | 2010-01-21 | Quick clamping device for electric hammer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201619095U (en) |
| WO (1) | WO2011088634A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248521A (en) * | 2011-06-14 | 2011-11-23 | 常熟市迅达粉末冶金有限公司 | Tool chuck |
| CN107947455A (en) * | 2017-12-25 | 2018-04-20 | 常州华森三维打印研究院股份有限公司 | A kind of hospital handheld electric drill |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108068066B (en) * | 2016-11-16 | 2023-09-12 | 苏州宝时得电动工具有限公司 | Conversion chuck, tool main body matched with conversion chuck for use and matched use method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437465A (en) * | 1993-10-22 | 1995-08-01 | Atlas Copco Elektrowerkzeuge Gmbh | Tool changing device on a hand-operated machine tool |
| DE19621610B4 (en) * | 1996-05-30 | 2016-06-23 | Robert Bosch Gmbh | Device for changing the tool holder on a hand tool |
| DE19805187B4 (en) * | 1998-02-10 | 2006-03-16 | Robert Bosch Gmbh | Hand tool, in particular drill or percussion hammer |
| GB0125749D0 (en) * | 2001-10-26 | 2001-12-19 | Black & Decker Inc | Power tool |
-
2010
- 2010-01-21 CN CN2010201010883U patent/CN201619095U/en not_active Expired - Lifetime
- 2010-03-14 WO PCT/CN2010/071032 patent/WO2011088634A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248521A (en) * | 2011-06-14 | 2011-11-23 | 常熟市迅达粉末冶金有限公司 | Tool chuck |
| CN107947455A (en) * | 2017-12-25 | 2018-04-20 | 常州华森三维打印研究院股份有限公司 | A kind of hospital handheld electric drill |
| CN107947455B (en) * | 2017-12-25 | 2023-12-15 | 常州华森医疗器械股份有限公司 | Medical hand-held electric drill |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011088634A1 (en) | 2011-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |