CN201659570U - Blade locking mechanism - Google Patents
Blade locking mechanism Download PDFInfo
- Publication number
- CN201659570U CN201659570U CN2010201520937U CN201020152093U CN201659570U CN 201659570 U CN201659570 U CN 201659570U CN 2010201520937 U CN2010201520937 U CN 2010201520937U CN 201020152093 U CN201020152093 U CN 201020152093U CN 201659570 U CN201659570 U CN 201659570U
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- CN
- China
- Prior art keywords
- button
- lock
- blade
- knob
- groove
- 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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Abstract
The utility model provides a blade locking mechanism which is arranged on a cutter holder for locking a blade. The blade locking mechanism comprises a locking button, a rotating button and a reed, wherein the locking button is movably embedded on the cutter holder and can move up and down, the lower part of the locking button is provided with a locking block which is matched with a groove inherent in the blade, the locking block can be inserted into the groove of the blade to be formed into the groove for locking or withdrawing the blade to unlock, the rotating button is arranged on the cutter holder and is contracted and connected with the locking button, the rotating button can drive the locking button to move up and down, and the reed is arranged between the upper end of the locking button and the cutter holder and used for offering an elastic force for resetting the locking button. The blade locking mechanism is convenient and fast to change the blade, simple in structure and low in manufacture cost.
Description
Technical field
The utility model relates to a kind of hand-held tool, relates in particular to a kind of blade locking mechanism.
Background technology
Traditional cutting knife often is divided into fixed, collapsible and telescopic, generally is used for cutting paper, cloth, leather etc.Telescopic cutting knife generally by handle of a knife, be movably arranged on the cutter head in the handle of a knife and the blade that is installed on the cutter head is formed, cutter head can drive blade and slide in handle of a knife and blade is stretched out or take in.The blade that is installed on the cutter head need carry out the locking and unlocking with a locking mechanism, and cutter head is with needing replacing long afterwards, and different cutter head locking mechanisms have determined the mode and the complexity of blade exchange.
The utility model content
The purpose of this utility model is exactly in order to provide a kind of blade locking mechanism that can convenient and swift replacing blade.
In order to achieve the above object, the utility model has adopted following technical scheme: a kind of blade locking mechanism, be installed in that blade locks on the tool rest, comprise lock-button, knob and reed, the lock-button activity is inlaid on the tool rest and can moves up and down, the lock-button bottom is provided with the lock dog adaptive with the intrinsic groove of blade, this lock dog can insert the interior groove realization release that forms locking or withdraw from blade of groove of blade, knob is movably arranged on the tool rest and with the lock-button conflict and links to each other, the rotation knob can drive lock-button and moves up and down, and reed is arranged between the upper end of lock-button and the tool rest and provides the elastic force that resets to lock-button.
Described knob comprises a rotating disk, and the inboard of rotating disk is connected with one and is used for being used for the eccentric rod that links to each other with the lock-button conflict with the rotatable central shaft that links to each other of tool rest with one.
Be provided with the die cavity that is used for ccontaining lock-button in the described tool rest, this die cavity comprises the axle sleeve and the through hole that is used for by the eccentric rod of knob of the central shaft that is used for ccontaining knob, and axle sleeve is arranged on a side of die cavity, and through hole is arranged on the centre of die cavity.
Be provided with the groove that is used for ccontaining reed, the groove that the side of lock-button is provided with the groove of the axle sleeve that is used for ccontaining die cavity and is used for the eccentric rod of ccontaining knob in the middle of the top of described lock-button.
The utility model blade locking mechanism makes it compared with prior art owing to adopted above technical scheme, has following advantage and characteristics:
1, the locking and unlocking is simple to operate, replacing blade that can be very convenient, fast.
2, low production cost is easy to large-scale popularization.
Description of drawings
Fig. 1 is lock-out state (the removing the tool rest cover plate) perspective view of the utility model blade locking mechanism;
Fig. 2 is released state (the removing the tool rest cover plate) perspective view of the utility model blade locking mechanism;
Fig. 3, Fig. 4 are the decomposition texture schematic diagrames of the utility model blade locking mechanism.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, blade locking mechanism of the present utility model is installed in that blade 2 locks on the tool rest 1, is provided with tool rest cover plate 3 on blade 2.Blade locking mechanism comprises lock-button 4, knob 5 and reed 6.Lock-button 4 activities are inlaid on the tool rest 1 and can move up and down, lock-button 4 bottoms are provided with the lock dog 41 adaptive with the intrinsic groove of blade, this lock dog can insert the groove 21 interior groove realization releases that form locking or withdraw from blade of blade 2, knob 5 is movably arranged on the tool rest 1 and with lock-button 4 conflicts and links to each other, the rotation knob can drive lock-button and moves up and down, and reed 6 is arranged between the upper end of lock-button 4 and the tool rest 1 and provides the elastic force that resets to lock-button.
Be provided with the die cavity 11 that is used for ccontaining lock-button in the tool rest 1 in the utility model, this die cavity 11 comprises the axle sleeve 12 and the through hole 13 that is used for by the eccentric rod of knob of the central shaft that is used for ccontaining knob, axle sleeve 12 is arranged on a side of die cavity, and through hole 13 is arranged on the centre of die cavity.
Be provided with the groove 42 that is used for ccontaining reed, the groove 44 that the side of lock-button is provided with the groove 43 of the axle sleeve that is used for ccontaining die cavity and is used for the eccentric rod of ccontaining knob in the middle of the top of the lock-button 4 in the utility model.
The unlocking condition of the utility model blade locking mechanism as shown in Figure 2, in the time of need unblanking, with the finger knob 5 that rotates backward, eccentric rod 53 on the knob 5 promptly moves up, thereby driving lock-button 4 moves up, lock dog 41 up to lock-button 4 bottoms withdraws from the groove 21 of blade 2, and blade 2 promptly is in free state, can pull out the replacing blade easily forward.When unclamping knob 5, lock-button 4 is promptly recovered lock-out state under the elastic force effect of reed 6, as shown in Figure 1.As seen, the utility model blade locking mechanism is operated extremely convenient and swift when changing blade.
Claims (4)
1. blade locking mechanism, be installed in that blade locks on the tool rest, it is characterized in that: comprise lock-button, knob and reed, the lock-button activity is inlaid on the tool rest and can moves up and down, the lock-button bottom is provided with the lock dog adaptive with the intrinsic groove of blade, this lock dog can insert the interior groove realization release that forms locking or withdraw from blade of groove of blade, knob is movably arranged on the tool rest and with the lock-button conflict and links to each other, the rotation knob can drive lock-button and moves up and down, and reed is arranged between the upper end of lock-button and the tool rest and provides the elastic force that resets to lock-button.
2. blade locking mechanism as claimed in claim 1 is characterized in that: described knob comprises a rotating disk, and the inboard of rotating disk is connected with one and is used for being used for the eccentric rod that links to each other with the lock-button conflict with the rotatable central shaft that links to each other of tool rest with one.
3. blade locking mechanism as claimed in claim 1, it is characterized in that: be provided with the die cavity that is used for ccontaining lock-button in the described tool rest, this die cavity comprises the axle sleeve and the through hole that is used for by the eccentric rod of knob of the central shaft that is used for ccontaining knob, axle sleeve is arranged on a side of die cavity, and through hole is arranged on the centre of die cavity.
4. blade locking mechanism as claimed in claim 1, it is characterized in that: be provided with the groove that is used for ccontaining reed, the groove that the side of lock-button is provided with the groove of the axle sleeve that is used for ccontaining die cavity and is used for the eccentric rod of ccontaining knob in the middle of the top of described lock-button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201520937U CN201659570U (en) | 2010-04-07 | 2010-04-07 | Blade locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201520937U CN201659570U (en) | 2010-04-07 | 2010-04-07 | Blade locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201659570U true CN201659570U (en) | 2010-12-01 |
Family
ID=43229981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201520937U Expired - Fee Related CN201659570U (en) | 2010-04-07 | 2010-04-07 | Blade locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201659570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171319A1 (en) * | 2011-06-15 | 2012-12-20 | Wen Hao | Utility knife blade seat and utility knife comprising blade seat |
| CN105291140A (en) * | 2015-11-18 | 2016-02-03 | 广西锐可户外工具制造有限公司 | Safety device of plunger lock folding cutter |
-
2010
- 2010-04-07 CN CN2010201520937U patent/CN201659570U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171319A1 (en) * | 2011-06-15 | 2012-12-20 | Wen Hao | Utility knife blade seat and utility knife comprising blade seat |
| CN105291140A (en) * | 2015-11-18 | 2016-02-03 | 广西锐可户外工具制造有限公司 | Safety device of plunger lock folding cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20110407 |