CN200957459Y - Manual self-locking drill tong holder - Google Patents
Manual self-locking drill tong holder Download PDFInfo
- Publication number
- CN200957459Y CN200957459Y CN 200620108748 CN200620108748U CN200957459Y CN 200957459 Y CN200957459 Y CN 200957459Y CN 200620108748 CN200620108748 CN 200620108748 CN 200620108748 U CN200620108748 U CN 200620108748U CN 200957459 Y CN200957459 Y CN 200957459Y
- Authority
- CN
- China
- Prior art keywords
- drill
- nut
- self
- locking
- spring leaf
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a novel self-locking manual fastening drill chuck, which consists of a drill, a grip claw, a nut connected with screw thread of grip claw, and a rotary sleeve. The drill chuck is provided with a self-locking spring sheet, which has an externally protruding part and self-locking part. The lower end of the nut is provided with an installation groove, and the spring sheet is arranged in the installation groove. The drill chuck is provided with an inner sleeve for the axial positioning of the nut between the external sleeve and drill. The surface of the inner sleeve is provided with saw tooth grooves matching with the self-locking part of the spring sheet. The inner wall of the external sleeve is provided with a structure matching with the protruding part of the spring sheet. Through the matching between the spring sheet and teeth, the utility model can play the role of self-locking drill chuck, thus being able to hold the drill tightly with the grip claw even under shock load. In addition, the spring sheet can be arranged on the integrated nut directly, which not only simplifies the installation structure, but also enhances the precision of drill chuck.
Description
Technical field
The utility model relates to a kind of drill chuck, relates in particular to a kind of for example drill chuck on drilling machine, the electric drill of machining equipment and electric tool that is installed in.
Background technology
In the prior art, be provided with the rotating overcoat of drill body, jaw, nut, operating nut in the hand fastening drill clutch, three jaws are separately positioned in three inclined holes that are distributed on the drill body, adopt between nut and the jaw and be threaded, jaw passes in and out in inclined hole to clamp or the drilling tool that gets loose thereby the operation overcoat drives nut rotation drive, the mode of overcoat operating nut can be that overcoat directly is connected with nut and drives nut, also can be to be connected indirectly with nut, and torsion be passed to nut to drive nut by intermediary element by one or several intermediary element.The shortcoming of this drill chuck is: under the load that the is hit effect, the drill bit of jaw clamping is easily loosening to skid even comes off, and is difficult to keep the continuity of processing.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of novel self-locking hand fastening drill clutch simple in structure easy for installation.For this reason, the utility model is by the following technical solutions: it comprises nut, the rotating overcoat that drill body, jaw and jaw are threaded, described drill chuck has been provided with the spring leaf of self-locking action, described spring leaf is provided with outside projection and self-locking position, the nut lower end is provided with mounting groove, described spring leaf is connected in described mounting groove, described drill chuck is provided with between overcoat and drill body in the nut lower end the interior cover of its axial location, interior cover surface is provided with the serrated slot that cooperates with spring leaf self-locking position, and the inwall of described overcoat has with the projection of spring leaf and cooperates configuration.Because adopt the technical solution of the utility model, the utility model even be subjected to shock loading, also can keep the clamping of jaw to drill bit by the effect that can play the drill chuck self-locking that cooperates of spring leaf with tooth, can not become flexible.And, adopt the technical solution of the utility model, can make nut adopt the monoblock type nut, spring leaf can be directly installed on the nut, the not only convenient precision of simplified structure being installed but also improving drill chuck.
Description of drawings
Fig. 1 partly cuts open schematic diagram for a kind of embodiment's of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the explosive view of Fig. 1.
Fig. 4 is among Fig. 1, the schematic diagram that nut, spring leaf and interior cover are installed together.
The specific embodiment
With reference to accompanying drawing.The utility model comprises drill body 1, jaw 4, the nut 3 that is threaded with jaw, rotating overcoat 2, described drill chuck has been provided with the spring leaf 7 of self-locking action, described spring leaf is provided with outside projection and self-locking position, described nut 3 adopts the monoblock type nut, the nut lower end is provided with mounting groove, described spring leaf is connected in described mounting groove, described drill chuck is provided with between overcoat and drill body in the nut lower end the interior cover 8 of its axial location, interior cover surface is provided with the serrated slot 81 that cooperates with spring leaf self-locking position, and the inwall of described overcoat has with the projection of spring leaf and cooperates configuration.
In the present embodiment, the self-locking position of spring leaf is its lock end 73, and described spring leaf has two place's projections, is respectively projection 71 and is inserted in 72 projections and plays the effect that is connected in the mounting groove 31 and 32.The inwall of described overcoat cooperates with the projection of spring leaf and is configured as groove 21 and outer casing inner wall, groove 22, groove 23 on every side.Like this, projection 71 and 72 plays the mating reaction with nut and overcoat simultaneously, makes that locking mechanism and torsion transferring structure are more simple, and it is also convenient to install.Spring leaf has balance end 74 at the other end of lock end.
As shown in the figure, described interior cover and drill body matched in clearance, the circumferential and axial location structure of cover in described drill chuck is provided with.Interior cover also can adopt the mode of interference fit to be installed on the drill body.But adopt the structure of present embodiment, both made things convenient for the installation of interior cover, also having avoided the interference fit installation to make might be to the possibility of drill body infringement.The circumferential location structure that present embodiment provided comprises pin 91, and the axial location groove 82 that puts in it passes is inserted in the column pin hole 12 on the drill body.The axial direction positioning device that present embodiment provides is the collar 9 that is installed on the drill body.
In the present embodiment, axially locate the lower end of described nut externally cover, the step 25 of outer casing inner wall is the positioning step that cooperates with the nut lower end, on drill body, also be provided with outside the overcoat axial limiting collar 51 that cooperates of set upper side, like this, make that the position of overcoat is more stable, the stability when helping improving drill chuck and rotating at a high speed.
The nut lower end also is provided with the transposition groove, and drawing reference numeral 33 and 34 is respectively the preceding by wall and back wall for leaning of transposition groove, and outer casing inner wall is provided with the transposition key 24 that is in the transposition groove.Like this, can improve the clamping force of drill chuck to drilling tool.
When beginning to clamp drill bit, when drill chuck is in non-self-locking state, on the projection 72 of spring leaf is in the groove 22 of overcoat, projection 71 is in the groove 21, and lock end 74 and serrated slot 81 are in disengaged condition, press the counter clockwise direction rotary sleeve of Fig. 2, by cooperating of projection 72 and groove 22, torsion passes to nut by spring leaf, drives nut and rotates simultaneously, jaw is drawn in gradually clamp drilling tool.Be rotated further overcoat, when jaw is clamped drill bit, nut and spring leaf temporarily stop operating, after overcoat turns over certain angle, the back wall for leaning 34 of transposition groove and the transposition key 24 of overcoat near, simultaneously, the projection 72 of spring leaf falls into groove 23 and plays positioning action, projection 71 is ejected groove 21, and lock end 73 falls in the serrated slot 81.Be rotated further overcoat, drive nut and spring leaf and rotate, the lock end of spring leaf slips on the serrated slot surface, the another tooth of a tooth, and clamping force is increasing, until complete clamping tool.At this moment, unless during power cut-off, operation overcoat reverse rotation is by the step opposite with the above-mentioned steps drilling tool that gets loose, because the lock end of spring leaf is withstood by serrated slot, under the situation of not handling overcoat, nut can't backward rotation, thereby realizes self-locking, even make drill chuck be subjected to shock loading at work, nut can not become flexible yet, and keeps the clamping of drill chuck to drilling tool.
Claims (4)
1, a kind of novel self-locking hand fastening drill clutch, comprise nut, rotating overcoat that drill body, jaw and jaw are threaded, it is characterized in that described drill chuck has been provided with the spring leaf of self-locking action, described spring leaf is provided with outside projection and self-locking position, the nut lower end is provided with mounting groove, described spring leaf is connected in described mounting groove, described drill chuck is provided with between overcoat and drill body in the nut lower end the interior cover of its axial location, interior cover surface is provided with the serrated slot that cooperates with spring leaf self-locking position, and the inwall of described overcoat has with the projection of spring leaf and cooperates configuration.
2, a kind of novel self-locking hand fastening drill clutch as claimed in claim 1 is characterized in that described interior cover and drill body matched in clearance, the circumferential and axial location structure of cover in described drill chuck is provided with.
3, a kind of novel self-locking hand fastening drill clutch as claimed in claim 1, the lower end that it is characterized in that described nut be the axial location of cover externally, on drill body, be provided with outside the overcoat axial limiting collar that cooperates of set upper side.
4, as claim 1,2 or 3 described a kind of novel self-locking hand fastening drill clutch, it is characterized in that the nut lower end also is provided with the transposition groove, outer casing inner wall is provided with the transposition key that is in the transposition groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108748 CN200957459Y (en) | 2006-10-19 | 2006-10-19 | Manual self-locking drill tong holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108748 CN200957459Y (en) | 2006-10-19 | 2006-10-19 | Manual self-locking drill tong holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200957459Y true CN200957459Y (en) | 2007-10-10 |
Family
ID=38784332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620108748 Expired - Fee Related CN200957459Y (en) | 2006-10-19 | 2006-10-19 | Manual self-locking drill tong holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200957459Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039083A (en) * | 2019-04-25 | 2019-07-23 | 山东威达雷姆机械有限公司 | A kind of locking drill chuck |
| CN110072657A (en) * | 2016-10-14 | 2019-07-30 | 捷可勃斯夹头制造（苏州）有限公司 | Collet with sliding protection |
| CN112203788A (en) * | 2018-03-21 | 2021-01-08 | 捷可勃斯夹头制造（苏州）有限公司 | Chuck with automatic jaw adjustment |
| US11511354B2 (en) | 2017-07-28 | 2022-11-29 | Apex Brands, Inc. | Locking chuck with anti-vibration feature |
-
2006
- 2006-10-19 CN CN 200620108748 patent/CN200957459Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110072657A (en) * | 2016-10-14 | 2019-07-30 | 捷可勃斯夹头制造（苏州）有限公司 | Collet with sliding protection |
| CN110072657B (en) * | 2016-10-14 | 2020-12-04 | 捷可勃斯夹头制造（苏州）有限公司 | Chuck with sliding protection |
| US11123806B2 (en) | 2016-10-14 | 2021-09-21 | Apex Brands, Inc. | Chuck with slip protection |
| US11511354B2 (en) | 2017-07-28 | 2022-11-29 | Apex Brands, Inc. | Locking chuck with anti-vibration feature |
| CN112203788A (en) * | 2018-03-21 | 2021-01-08 | 捷可勃斯夹头制造（苏州）有限公司 | Chuck with automatic jaw adjustment |
| CN112203788B (en) * | 2018-03-21 | 2023-09-08 | 捷可勃斯夹头制造（苏州）有限公司 | Chuck with automatic jaw adjustment |
| CN110039083A (en) * | 2019-04-25 | 2019-07-23 | 山东威达雷姆机械有限公司 | A kind of locking drill chuck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2010081394A1 (en) | Self-tightening drill chuck | |
| EP1791668B1 (en) | Tool free collet assembly | |
| CN1390668A (en) | Self-fastening clamping chuck of drill bit | |
| CN200957459Y (en) | Manual self-locking drill tong holder | |
| CN2832375Y (en) | Locking self-screwed drill chuck | |
| CN201012399Y (en) | Novel self-locking type clamping head of closefisted drill | |
| WO2013075599A1 (en) | Antilock inner cone drill chuck | |
| CN201076920Y (en) | Novel self-tightening drill chuck | |
| CN200957460Y (en) | Manual self-locking drill tong holder | |
| CN2790644Y (en) | Self-tight drill chuck with lock | |
| CN2832373Y (en) | Locking drill chuck | |
| EP1779948A1 (en) | A manual self-locking drill chuck | |
| CN201223955Y (en) | Novel self-clamping holder for drill | |
| WO2022052799A1 (en) | Auxiliary handle, electric tool, and installation method for auxiliary handle | |
| CN200991773Y (en) | Novel locking drill clip-head | |
| CN2832376Y (en) | Self-locking hand-screwed drill chuck | |
| CN2808376Y (en) | Novel hand-operated drill chuck with self-locking function | |
| CN2843693Y (en) | Self-locking tightened drill chuck | |
| CN201033370Y (en) | Keyless drill chuck having lock | |
| CN201493496U (en) | Hand tight drill chuck | |
| WO2012097664A1 (en) | Drill bit grinder | |
| CN201012398Y (en) | Deadlocking-proof drill chuck | |
| CN200991770Y (en) | Anti-over-tight drill clip-head | |
| CN109530742A (en) | The hand-tight Wrench-type reinforcement collet of chuck mode | |
| CN2827590Y (en) | Closefisted drill chuck with lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |