CN201353770Y - Crop tool bit - Google Patents
Crop tool bit Download PDFInfo
- Publication number
- CN201353770Y CN201353770Y CNU2009200681534U CN200920068153U CN201353770Y CN 201353770 Y CN201353770 Y CN 201353770Y CN U2009200681534 U CNU2009200681534 U CN U2009200681534U CN 200920068153 U CN200920068153 U CN 200920068153U CN 201353770 Y CN201353770 Y CN 201353770Y
- Authority
- CN
- China
- Prior art keywords
- blade
- lock
- cutter
- lining panel
- interior lining
- 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
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Abstract
The utility model provides a crop tool bit which comprises a tool apron, a blade, a lining plate, a tool lock and a tool lock spring. The lining plate is embedded in the tool apron and jointed with the blade; the rear end of the tool lock is rotatably connected with the tool apron by a pin roll, and the front end thereof is provided with a locking piece matched with the blade; the locking piece can be inserted into a groove of the blade to form a groove for blade locking or withdrawing so as to realize unlocking; the tool lock spring is embedded in the lining plate and extends upwards; and the upper end of the tool lock spring pushes against the rear end of the tool lock. When the blade of the crop tool bit is replaced, the operation is extremely convenient and quick; and the crop tool bit has simple structure and low manufacturing cost.
Description
Technical field
The utility model relates to a kind of hand-held tool, relates in particular to a kind of cutting knife cutter head.
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 is changed with needing long afterwards, and prior art has multiple different replacing method, and various replacing methods all are that different cutter head structures has determined the mode and the complexity of blade exchange by the structures shape of cutter head.
The utility model content
The purpose of this utility model is exactly in order to provide a kind of cutting knife cutter head 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 cutting knife cutter head, comprise tool rest and be arranged on the interior blade of tool rest, also comprise interior lining panel, cutter lock and cutter lock spring, interior lining panel is inlaid in the tool rest and with the blade applying and links to each other, cutter lock rear end links to each other by a bearing pin and tool rest are rotatable, cutter lock front end is provided with the lock dog adaptive with blade, this lock dog can insert the interior groove realization release that forms locking or withdraw from blade of groove of blade, cutter lock spring is inlaid on the interior lining panel and protrudes upward, and the upper end of cutter lock spring is resisted against the rear end of cutter lock.
Be provided with the vallecular cavity that is used for ccontaining interior lining panel and blade in the described tool rest; The thickness at described interior lining panel rear portion and the width of above-mentioned vallecular cavity are suitable, the step that is formed for ccontaining blade is taken in the interior lining panel front portion to a side, described blade is arranged in this step, the upper end of interior lining panel front portion is provided with the groove that is used for ccontaining cutter lock, and the interior lining panel rear portion is provided with the spring groove that is used for ccontaining cutter lock spring.
Described tool rest is provided with the pin-and-hole that is used to insert bearing pin, and the tool rest at this pin-and-hole rear is provided with and is used for the groove that cutter relieving lock rear portion presses down, and the spring groove position at described interior lining panel rear portion is corresponding with above-mentioned groove.
The utility model cutting knife cutter head 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 the perspective view of the utility model cutting knife cutter head;
Fig. 2 be the utility model cutting knife cutter head face the sectional structure schematic diagram;
Fig. 3 is the exploded perspective structural representation of the utility model cutting knife cutter head;
Fig. 4 be the utility model cutting knife cutter head unlocking condition face the sectional structure schematic diagram.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, the utility model cutting knife cutter head comprises tool rest 1, is arranged on blade 2, interior lining panel 3, cutter lock 4 and cutter lock spring 5 in the tool rest.
Be provided with the vallecular cavity 11 that is used for ccontaining interior lining panel 3 and blade 2 in tool rest 1, be provided with the pin-and-hole 12 that is used to insert bearing pin on tool rest, the tool rest at this pin-and-hole rear is provided with and is used for the groove 13 that cutter relieving lock rear portion presses down.
Blade 2 is arranged on the step 31 of interior lining panel 3 and fits with interior lining panel 3 and links to each other, and blade 2 is provided with groove 21.
Cutter is locked 4 rear ends by bearing pin 6 and tool rest is rotatable links to each other, and cutter lock front end is provided with the lock dog 41 adaptive with blade, and this lock dog 41 can insert the grooves realization releases that form locking in the groove 21 of blade 2 or withdraw from blade.
The lock-out state of the utility model cutting knife cutter head as shown in Figure 2, the lock dog 41 that this moment, cutter was locked 4 front ends inserts in the groove 21 of blades 2, blade 2 is fixed on forms locking in the tool rest.
The unlocking condition of the utility model cutting knife cutter head in the time of need unblanking, is used the finger rear portion of push type broach lock 4 down as shown in Figure 4, and the lock dog 41 that makes cutter lock 4 front ends withdraws from the groove 21 of blade 2, and blade 2 promptly is in free state, can pull out forward easily.Press down when finger when unclamping, cutter lock 4 promptly recovers lock-out state under the elastic force effect of cutter lock spring 5, and interior, promptly form locking if any blade this moment.When needs are changed blade, can adopt aforesaid operations.As seen, the utility model cutting knife cutter head is operated extremely convenient and swift when changing blade.
Claims (3)
1, a kind of cutting knife cutter head, comprise tool rest and be arranged on the interior blade of tool rest, it is characterized in that: also comprise interior lining panel, cutter lock and cutter lock spring, interior lining panel is inlaid in the tool rest and with the blade applying and links to each other, cutter lock rear end links to each other by a bearing pin and tool rest are rotatable, cutter lock front end is provided with the lock dog adaptive with blade, this lock dog can insert the interior groove realization release that forms locking or withdraw from blade of groove of blade, cutter lock spring is inlaid on the interior lining panel and protrudes upward, and the upper end of cutter lock spring is resisted against the rear end of cutter lock.
2, cutting knife cutter head as claimed in claim 1 is characterized in that: be provided with the vallecular cavity that is used for ccontaining interior lining panel and blade in the described tool rest; The thickness at described interior lining panel rear portion and the width of above-mentioned vallecular cavity are suitable, the step that is formed for ccontaining blade is taken in the interior lining panel front portion to a side, described blade is arranged in this step, the upper end of interior lining panel front portion is provided with the groove that is used for ccontaining cutter lock, and the interior lining panel rear portion is provided with the spring groove that is used for ccontaining cutter lock spring.
3, cutting knife cutter head as claimed in claim 2, it is characterized in that: described tool rest is provided with the pin-and-hole that is used to insert bearing pin, the tool rest at this pin-and-hole rear is provided with and is used for the groove that cutter relieving lock rear portion presses down, and the spring groove position at described interior lining panel rear portion is corresponding with above-mentioned groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200681534U CN201353770Y (en) | 2009-02-26 | 2009-02-26 | Crop tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200681534U CN201353770Y (en) | 2009-02-26 | 2009-02-26 | Crop tool bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201353770Y true CN201353770Y (en) | 2009-12-02 |
Family
ID=41410110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200681534U Expired - Lifetime CN201353770Y (en) | 2009-02-26 | 2009-02-26 | Crop tool bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201353770Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335920A (en) * | 2010-07-16 | 2012-02-01 | 上海昆杰五金工具有限公司 | Cutting knife capable of increasing effective using length of blade |
| WO2012171319A1 (en) * | 2011-06-15 | 2012-12-20 | Wen Hao | Utility knife blade seat and utility knife comprising blade seat |
| CN111107966A (en) * | 2018-05-16 | 2020-05-05 | 约翰·罗南 | Practical knife |
| KR20210147706A (en) * | 2020-05-29 | 2021-12-07 | 이다현 | safety ballpoint knife |
-
2009
- 2009-02-26 CN CNU2009200681534U patent/CN201353770Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335920A (en) * | 2010-07-16 | 2012-02-01 | 上海昆杰五金工具有限公司 | Cutting knife capable of increasing effective using length of blade |
| WO2012171319A1 (en) * | 2011-06-15 | 2012-12-20 | Wen Hao | Utility knife blade seat and utility knife comprising blade seat |
| CN111107966A (en) * | 2018-05-16 | 2020-05-05 | 约翰·罗南 | Practical knife |
| CN111107966B (en) * | 2018-05-16 | 2021-12-03 | 约翰·罗南 | Practical knife |
| KR20210147706A (en) * | 2020-05-29 | 2021-12-07 | 이다현 | safety ballpoint knife |
| KR102412580B1 (en) | 2020-05-29 | 2022-06-23 | 이다현 | safety ballpoint knife |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Integrated cutting knife head Effective date of registration: 20110429 Granted publication date: 20091202 Pledgee: China investment Company limited by guarantee Shanghai branch Pledgor: Shanghai Kunjie Hardware Tools Co., Ltd. Registration number: 2011990000155 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120401 Granted publication date: 20091202 Pledgee: China investment Company limited by guarantee Shanghai branch Pledgor: Shanghai Kunjie Hardware Tools Co., Ltd. Registration number: 2011990000155 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Integrated cutting knife head Effective date of registration: 20130627 Granted publication date: 20091202 Pledgee: Pudong Development Bank of Minhang Shanghai branch Pledgor: Shanghai Kunjie Hardware Tools Co., Ltd. Registration number: 2013990000410 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |