CN201279754Y - Chuck wrench - Google Patents
Chuck wrench Download PDFInfo
- Publication number
- CN201279754Y CN201279754Y CNU2008201853209U CN200820185320U CN201279754Y CN 201279754 Y CN201279754 Y CN 201279754Y CN U2008201853209 U CNU2008201853209 U CN U2008201853209U CN 200820185320 U CN200820185320 U CN 200820185320U CN 201279754 Y CN201279754 Y CN 201279754Y
- Authority
- CN
- China
- Prior art keywords
- chuck
- handle
- wrench
- chuck handle
- spring
- 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
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- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model provides a chuck wrench capable of ejecting a chuck wrench from a balance wheel hole and preventing the conditions that the chuck wrench is forgotten to take down and a lathe is started. The chuck wrench comprises a wrench body and a wrench handle, wherein, the shape of a head part of the wrench body is matched with that of the balance wheel hole, and an elastic ejector mechanism used for ejecting the wrench body from the balance wheel hole is arranged on the head part. After the chuck wrench is used and the external force is withdrawn, the elastic ejector mechanism can eject the chuck wrench, thereby reminding a user of taking the chuck wrench down; if the user forgets to take down the chuck wrench, when the external force is withdrawn, the chuck wrench can be ejected by the elastic ejector mechanism automatically and falls off. Therefore, the safety in the production process is improved and unnecessary potential safety hazards are eliminated.
Description
Technical field
The utility model relates to a kind of spanner that is applied to chuck.
Background technology
Chuck handle is the instrument of operation chuck, chuck is to the clamping of workpiece and to unclamp be that the body head of pulling by chuck handle inserts and pulls the wheel hole, drive by rotating spanner and pull the wheel rotation, and and then the actuator disc silk, and make parcel drive jaw to move and realize.Use chuck handle good parts fixation, be easy to forget the pull wheel of chuck handle from chuck taken off, like this, just start the lathe rotation on the chuck when chuck wrench also is inserted in, chuck handle will be thrown out of, and certainly will cause unnecessary accident.
Summary of the invention
The purpose of this utility model provide a kind of can be with chuck handle from pulling the chuck handle that wheel eject the hole, take off chuck handle and start lathe forgetting preventing.
The utility model is by the following technical solutions: it comprises pulls body, spanner handle, and the head of pulling body has and pulls the shape that the wheel hole cooperates, and it is provided with will pull body and take turns the elasticity ejecting mechanism that the hole ejects from pulling.Owing to adopt above technical scheme, when chuck handle is finished using and withdraw external force, the elasticity ejecting mechanism outwards ejects chuck handle, can play on the one hand and remind the user to take off chuck handle, on the other hand, take off chuck handle if the user forgets, after external force was removed, the elasticity ejecting mechanism can eject chuck handle automatically and come off.So just improve the security in the production process, eliminated unnecessary potential safety hazard.
As improvement, described elasticity ejecting mechanism comprises spring and protrudes the thimble that cooperates with spring at the head of pulling body.Be preferably in to pull and be provided with the stepped hole that spring and thimble are set in the body.Preferably, spanner handle passes stepped hole, and it is inconsistent that spring and spanner handle are in the part of stepped hole.
As improvement, it also comprises the support and the switch with normally open contact that is connected on the Electrical Control of Machinery Tools circuit that is used to place chuck handle; When chuck handle was placed on the support, chuck handle made normally open contact be in closure state.Like this, chuck handle must be put on the support, make that the normally open contact of switch is in closure after, the Electrical Control of Machinery Tools circuit just may be in path, lathe just can be activated, and has further strengthened security.Described switch can be a mechanical switch, when chuck handle is placed on the support, chuck handle can conflict mechanical switch normally open contact and make normally open contact be in closure state.Described switch can be light-operated switch, and when chuck handle was placed on the support, chuck handle can block the light-path of light-operated switch and make its normally open contact be in closure state.
Description of drawings
Fig. 1 is the schematic diagram of embodiment 1.
Fig. 2 is the schematic diagram of embodiment 2.
Fig. 3 is the electrical schematic diagram of embodiment 2
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and the specific embodiment.
Embodiment 1
With reference to Fig. 1, it comprises the utility model and pulls body 1, spanner handle 2, and the head of pulling body has and pulls the shape 11 that the wheel hole cooperates, and it is provided with will pull body and take turns the elasticity ejecting mechanism that the hole ejects from pulling.
Described elasticity ejecting mechanism can adopt various by elastic force make spanner by ejected automatically pull the wheel hole structure.The elasticity ejecting mechanism that present embodiment adopted comprises spring 4 and the thimble 3 that cooperates with spring.Pull and be provided with the stepped hole 5 of placing spring and thimble in the body.Like this, the elasticity ejecting mechanism is pulled body except the thimble head exposes, and all the other all are arranged on the inside of pulling body, makes the succinct compact conformation of spanner outward appearance that the utility model provides, and can also protect the elasticity ejecting mechanism.Spanner handle can pass stepped hole, and it is inconsistent to make spring and spanner handle be in the part of stepped hole.Like this, spanner handle can also play spacing and the effect of conflict face is provided spring, and structure is more reasonable.
Among Fig. 2,3, travel switch 5 is fixed on the bottom of support 2.After chuck handle 1 inserted support 2, the head of pulling body just in time touched the driving lever 6 of the travel switch 5 of bottom, makes the normally open contact closure of travel switch 5.Here, the normally open contact of travel switch 5 promptly is the normally open contact 3 among Fig. 3, as long as terminal stud 4 is contacted in total circuit of the electric control circuit that is connected to lathe.Support is arranged on the bed piece or on the tool box.If chuck handle is not placed in the position of setting on the support, then the normally open contact of travel switch is can be not closed, and total circuit of Electrical Control of Machinery Tools circuit opens circuit, and lathe also just can't start.
Claims (6)
1. chuck handle comprises and pulls body, spanner handle, and the head of pulling body has and pulls the shape that the wheel hole cooperates, it is characterized in that it is provided with will pull body and take turns the elasticity ejecting mechanism that the hole ejects from pulling.
2. chuck handle as claimed in claim 1 is characterized in that described elasticity ejecting mechanism comprises spring and protrudes the thimble that cooperates with spring at the head of pulling body.
3. chuck handle as claimed in claim 2 is characterized in that pulling and is provided with the stepped hole that spring and thimble are set in the body.
4. chuck handle as claimed in claim 3 is characterized in that spanner handle passes stepped hole, and it is inconsistent that spring and spanner handle are in the part of stepped hole.
5. chuck handle as claimed in claim 1 is characterized in that, it also comprises the support and the switch with normally open contact that is connected on the Electrical Control of Machinery Tools circuit that is used to place chuck handle; When chuck handle was placed on the support, chuck handle made normally open contact be in closure state.
6. chuck handle as claimed in claim 5 is characterized in that, support is arranged on the bed piece or on the tool box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201853209U CN201279754Y (en) | 2008-09-19 | 2008-09-19 | Chuck wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201853209U CN201279754Y (en) | 2008-09-19 | 2008-09-19 | Chuck wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201279754Y true CN201279754Y (en) | 2009-07-29 |
Family
ID=40926643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201853209U Expired - Fee Related CN201279754Y (en) | 2008-09-19 | 2008-09-19 | Chuck wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201279754Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886531A (en) * | 2012-10-23 | 2013-01-23 | 四川省电力公司自贡电业局 | Safe metal cutting lathe and control circuit thereof |
| CN103934777A (en) * | 2014-03-21 | 2014-07-23 | 湖南化工职业技术学院 | Novel safe clamping wrench for chuck of machine tool |
| CN104029158A (en) * | 2014-05-30 | 2014-09-10 | 杭州电子科技大学 | Torque protection safety chuck spanner |
-
2008
- 2008-09-19 CN CNU2008201853209U patent/CN201279754Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886531A (en) * | 2012-10-23 | 2013-01-23 | 四川省电力公司自贡电业局 | Safe metal cutting lathe and control circuit thereof |
| CN103934777A (en) * | 2014-03-21 | 2014-07-23 | 湖南化工职业技术学院 | Novel safe clamping wrench for chuck of machine tool |
| CN104029158A (en) * | 2014-05-30 | 2014-09-10 | 杭州电子科技大学 | Torque protection safety chuck spanner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Han Manlin Inventor after: Liu Xiaoqiang Inventor after: Lu Jiansheng Inventor after: Chen Xing Inventor after: Dong Hongxin Inventor before: Han Manlin Inventor before: Liu Xiaoqiang Inventor before: Lu Jiansheng Inventor before: Chen Xing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HAN MANLIN; LIU XIAOQIANG; LU JIANSHENG; CHEN XING TO: HAN MANLIN; LIU XIAOQIANG; LU JIANSHENG; CHEN XING; DONG HONGXIN |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20140919 |
|
| EXPY | Termination of patent right or utility model |