CN102229149B - Ratchet cutter - Google Patents
Ratchet cutter Download PDFInfo
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- CN102229149B CN102229149B CN201110113784.5A CN201110113784A CN102229149B CN 102229149 B CN102229149 B CN 102229149B CN 201110113784 A CN201110113784 A CN 201110113784A CN 102229149 B CN102229149 B CN 102229149B
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- ratchet
- knife
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- key
- cutter
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
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Abstract
The invention relates to a ratchet cutter which comprises a cutter handle (1), a cutter head (2), a pawl assembly and a pawl control assembly, wherein the tail part of the cutter head (2) is provided with a ratchet wheel; the pawl assembly is matched with the ratchet wheel; the pawl control assembly controls the pawl assembly to lock or unlock the cutter head (2), and comprises a ratchet wheel pawl control plate (6) and a ratchet wheel tap position key (8); the ratchet wheel pawl control plate (6) can be movably connected to the cutter handle (1); the ratchet wheel tap position key (8) can push the ratchet wheel pawl control plate (6) to rotate; the pawl assembly is connected with the ratchet wheel pawl control plate (6); and the head of the ratchet wheel tap position key (8) is provided with a toggle button which penetrates out of the cutter handle, and the tail of the ratchet wheel tap position key (8) is provided with a plurality of locking holes for locking the cutter head (2) onto different tap positions. Compared with the prior art, the ratchet cutter provided by the invention has the advantages of simple structure, low cost and the like, can be positioned randomly and is convenient to operate.
Description
Technical field
The present invention relates to hardware & tools, especially relate to a kind of ratchet cutter.
Background technology
Cutter is a kind of conventional hand-held tool, its structure is generally provided with a handle of a knife and a cutter head, be fixedly installed between traditional handle of a knife and cutter head, enable cutter bear cutting article time stressed, but this kind cannot the conventional tool of folding when not using, not only can occupy larger space, and not portable with collection, and the cutter portion of exposing easily hurts personnel, and safety can have a misgiving.Therefore, existing jackknife, can make cutter cutter portion can be collapsed in handle of a knife when not using.In traditional jackknife, modal latch-up structure is that back of the body hook link latch-up structure, its cutter head be provided with at handle of a knife back is hinged on handle of a knife with rotating shaft, by the friction lock between blade and locking device.But this locking device is also unreliable, if very large because act on power on blade when cut, blade still can in retractable handle of a knife.
As utility model patent ZL99243165.4 discloses a kind of jackknife, handle of a knife arranges a latch fitting that can be fastened with cutter portion, latch fitting arranges relief structure and back-moving spring, can form a kind of when cutter portion launches to be the jackknife that strong fix is easy to folding thus.
But cutter head is all generally be 180 degree with handle of a knife when this cutter uses, be suitable only for single, linear cutting situation, cannot be in other cases, as got into an accident, need the cutter of certain bending angle under cutting off the situations such as safety belt escape, common jackknife is difficult to safety, cuts easily.
The utility model patent ZL 201020185022.7 of applicant's earlier application discloses a kind of multi-angle locate mode jackknife, comprise cutter hub, handle of a knife, bearing pin, described cutter hub and handle of a knife pass through pinned connection, one end that described cutter hub is connected with handle of a knife is provided with cam, cam is provided with at least one latch, one end that described handle of a knife is connected with cutter hub is provided with connector, is provided with the locking matched with latch and the toggle unlocking cutter hub below this connector.
But this multi-angle location is by arranging multiple latch location, although more than common jackknife orientation angle, can not locating arbitrarily, and this mode by means of only latch and connector location, location less stable, and latch and connector easy to wear.
Summary of the invention
Object of the present invention be exactly provide a kind of can locate arbitrarily to overcome defect that above-mentioned prior art exists, structure is simple, easy to operate, cost is low ratchet cutter.
Object of the present invention can be achieved through the following technical solutions:
A kind of ratchet cutter, comprise handle of a knife 1 and cutter head 2, described cutter head 2 afterbody is provided with ratchet, it is characterized in that, also comprise the pawl assembly mated with described ratchet, control the ratchet Control Component of pawl assembly locking or unblock cutter head 2, this ratchet Control Component comprises the ratchet pawl control strip 6 be rotatably connected on handle of a knife 1, key 8 is dialled with the ratchet gear that can promote ratchet pawl control strip 6 rotation, described pawl assembly connects ratchet pawl control strip 6, ratchet pawl control strip 6, described ratchet gear is dialled key 8 head and is provided with the toggle passing handle of a knife, afterbody is provided with locking cutter head 2 in multiple lock holes of different gear.
Described pawl assembly comprises ratchet a3, ratchet b4, ratchet spring 5, ratchet cavity 7, described ratchet a3, ratchet b4 are connected by ratchet spring 5, and be arranged in ratchet cavity 7, and ratchet a3, ratchet b4 connect ratchet pawl control strip 6.
Described ratchet pawl control strip 6 bottom is provided with semi-circular hole, and this semi-circular hole is rotatably connected on handle of a knife 1, and ratchet pawl control strip 6 top is provided with installs the groove that ratchet gear dials key 8.
Described ratchet gear is dialled key 8 afterbody and is provided with three horizontal successively lock holes: during the first lock hole locking, ratchet gear is dialled key 8 and is promoted ratchet pawl control strip 6 and control ratchet spring 5 and extrude ratchet a3, cutter head 2 is opened, ratchet a3 and ratchet clamping monodirectional locking; During the second lock hole locking, ratchet gear is dialled key 8 and is promoted ratchet pawl control strip 6 and control ratchet spring 5 and apply identical elastic force to ratchet a3 and ratchet b4 respectively, and ratchet a3 and ratchet b4 and ratchet engage each other, any position and lock of cutter head 2; During the 3rd lock hole locking, ratchet gear is dialled key 8 and is promoted ratchet pawl control strip 6 and control ratchet spring 5 and extrude ratchet b4, and cutter head 2 closes, ratchet b4 and ratchet clamping monodirectional locking.
Described ratchet gear is dialled and is provided with ratchet gear between key 8 and handle of a knife and dials keypad 9.
Described handle of a knife 1 comprises left handle of a knife 11, right handle of a knife 12, and be positioned at the left handle of a knife skeleton 13 of left handle of a knife 11 and right handle of a knife 12 and right handle of a knife skeleton 13, described left handle of a knife skeleton 13 is provided with can dial the track of key 8 horizontal slip for ratchet gear, is embedded to protrude from surface by one and can dial lock hole on key 8 with ratchet gear and to overlap the steel ball locked in this track.
Described left handle of a knife 11, left handle of a knife skeleton 13, right handle of a knife skeleton 13 are connected by stub 26 with right handle of a knife 12.
Described left handle of a knife skeleton 13 is provided with the annular installing hole installing ratchet pawl control strip 6, described left handle of a knife 11 side is provided with can dial for ratchet gear the translot that key 8 upper toggle passes, described left handle of a knife 11, right handle of a knife 12 afterbody are provided with a hanging hole block 15, and this hanging hole block 15 is provided with hanging hole.
Described cutter head 2 is by tool tip 21, blade locking plate 22, tool tip cover plate 23, cutter head spring 24, withdrawing are dialled key 25 and are formed, blade is arranged between tool tip 21 and tool tip cover plate 23, blade locking plate 22 head and blade clamping, afterbody abuts tool tip cover plate 23 by cutter head spring 24.
Described left handle of a knife 11 is provided with escape, and this escape is provided with upper and lower two gears, and described withdrawing dials key 25 when being positioned at lower gear, and key 25 pressing blade locking downwards plate 22 afterbody dialled by withdrawing, and blade locking plate 22 head exits unblock from blade; Withdrawing dials key 25 when being positioned at gear, and blade locking plate 22 afterbody is upspring by cutter head spring 24, blade locking plate 22 head and blade snap lock.
Compared with prior art, cutter head afterbody of the present invention is set to ratchet, handle of a knife installs pawl assembly, by two ratchets and a group key acting in conjunction with multiple position and lock hole, by ratchet lock in a certain position, thus making blade and handle of a knife can in arbitrarily angled and lock in place, structure is simple, safe and reliable, cost is low, easy to use.
Accompanying drawing explanation
Fig. 1 is the explosive view of the embodiment of the present invention 1 ratchet cutter;
Fig. 2 is the structural representation that cutter head of the present invention is in the first gear cutter head and cutter skeleton;
Fig. 3 is Fig. 2 rearview;
Fig. 4 is the structural representation that cutter head of the present invention is in the second gear cutter head and cutter skeleton;
Fig. 5 is A portion enlarged drawing in Fig. 4;
Fig. 6 is that in Fig. 4, ratchet pawl control strip is dialled key with ratchet gear and mated schematic diagram;
Fig. 7 is Fig. 6 rearview;
Fig. 8 is the structural representation that cutter head of the present invention is in third gear cutter head and cutter skeleton;
Fig. 9 is Fig. 8 rearview;
Figure 10 is that blade of the present invention is in stationary state schematic diagram;
Figure 11 is Figure 10 rearview;
Figure 12 is that blade of the present invention is in withdrawing view;
Figure 13 is Figure 12 rearview.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in figures 1-13, a kind of ratchet cutter, comprise handle of a knife 1 and cutter head 2, described cutter head 2 afterbody is provided with ratchet, also comprise the pawl assembly mated with described ratchet, control the ratchet Control Component of pawl assembly locking or unblock cutter head 2, this ratchet Control Component comprises the ratchet pawl control strip 6 be rotatably connected on handle of a knife 1, key 8 is dialled with the ratchet gear that can promote ratchet pawl control strip 6 rotation, described pawl assembly connects ratchet pawl control strip 6, ratchet pawl control strip 6, described ratchet gear is dialled key 8 head and is provided with the toggle passing handle of a knife, afterbody is provided with locking cutter head 2 in multiple lock holes of different gear.Concrete structure is as follows:
(1) handle of a knife 1, described handle of a knife 1 comprises left handle of a knife 11, right handle of a knife 12, and be positioned at the left handle of a knife skeleton 13 of left handle of a knife 11 and right handle of a knife 12 and right handle of a knife skeleton 13, described left handle of a knife skeleton 13 is provided with can dial the track 16 of key 8 horizontal slip for ratchet gear, is embedded to protrude from surface by one and can dial lock hole on key 8 with ratchet gear and to overlap the steel ball 17 (as illustrated in figures 4-5) locked in this track.
Described left handle of a knife 11, left handle of a knife skeleton 13, right handle of a knife skeleton 13 are connected by stub 26 with right handle of a knife 12.Described left handle of a knife skeleton 13 is provided with the annular installing hole installing ratchet pawl control strip 6, described left handle of a knife 11 side is provided with can dial for ratchet gear the translot that key 8 upper toggle passes, described left handle of a knife 11, right handle of a knife 12 afterbody are provided with a hanging hole block 15, and this hanging hole block 15 is provided with hanging hole (as shown in Figure 1).
(2) cutter head 2, cutter head 2 is by tool tip 21, blade locking plate 22, tool tip cover plate 23, cutter head spring 24, withdrawing are dialled key 25 and are formed, blade 27 is in trapezoidal shape, blade 27 back side is provided with two U-type groove, and blade 27 is arranged between tool tip 21 and tool tip cover plate 23, and blade locking plate 22 head is downward hook-shaped, the U-type groove snap lock blade at this hook-shaped head and blade 27 back side, blade locking plate 22 afterbody abuts tool tip cover plate 23 by cutter head spring 24.Described left handle of a knife 11 is provided with escape, this escape is provided with upper and lower two gears, described withdrawing dials key 25 when being positioned at lower gear, and key 25 pressing blade locking downwards plate 22 afterbody dialled by withdrawing, and blade locking plate 22 head exits unblock (as illustrated by figs. 12-13) from blade; Withdrawing dials key 25 when being positioned at gear, and blade locking plate 22 afterbody is upspring by cutter head spring 24, blade locking plate 22 head and blade snap lock (as shown in figs. 10-11).
(3) pawl assembly, pawl assembly comprises ratchet a3, ratchet b4, ratchet spring 5, ratchet cavity 7, described ratchet a3, ratchet b4 is connected by ratchet spring 5, and be arranged in ratchet cavity 7, ratchet a3, ratchet b4 connects ratchet pawl control strip 6, and with the ratchet clamping of tool tip 21 afterbody, ratchet pawl control strip 6 bottom is provided with semi-circular hole, this semi-circular hole is rotatably connected on the left handle of a knife skeleton 13 of handle of a knife 1, this left handle of a knife skeleton 13 is provided with annular installing hole, ratchet pawl control strip 6 connects left handle of a knife skeleton 13 by stub 26, ratchet pawl control strip 6 can rotate around stub 26, ratchet pawl control strip 6 top is provided with installs the groove that ratchet gear dials key 8.Ratchet gear is dialled key 8 head and is arranged in ratchet pawl control strip 6 upper slot, can promote ratchet pawl control strip 6 and rotate around main shaft 26.
Described ratchet gear is dialled key 8 afterbody and is provided with three horizontal successively lock holes: during the first lock hole locking, ratchet gear is dialled key 8 and is promoted ratchet pawl control strip 6 and control ratchet spring 5 and extrude ratchet a3, cutter head 2 is opened, ratchet a3 and ratchet clamping monodirectional locking (as Figure 2-3); During the second lock hole locking, ratchet gear is dialled key 8 and is promoted ratchet pawl control strip 6 and control ratchet spring 5 and apply identical elastic force to ratchet a3 and ratchet b4 respectively, ratchet a3 and ratchet b4 and ratchet engage each other, and cutter head 2 is position and lock (as shown in figs. 4-7) arbitrarily; During the 3rd lock hole locking, ratchet gear is dialled key 8 and is promoted ratchet pawl control strip 6 and control ratchet spring 5 and extrude ratchet b4, and cutter head 2 closes, ratchet b4 and ratchet clamping monodirectional locking (as Figure 8-9).
Claims (10)
1. a ratchet cutter, comprise handle of a knife (1) and cutter head (2), described cutter head (2) afterbody is provided with ratchet, it is characterized in that, also comprise the pawl assembly mated with described ratchet, control the ratchet Control Component of pawl assembly locking or unblock cutter head (2), this ratchet Control Component comprises the ratchet pawl control strip (6) be rotatably connected on handle of a knife (1), with can promote the ratchet gear that ratchet pawl control strip (6) rotates and dial key (8), described pawl assembly connects ratchet pawl control strip (6), described ratchet gear is dialled key (8) head and is provided with the toggle passing handle of a knife, afterbody is provided with locking cutter head (2) in multiple lock holes of different gear.
2. a kind of ratchet cutter according to claim 1, it is characterized in that, described pawl assembly comprises ratchet a (3), ratchet b (4), ratchet spring (5), ratchet cavity (7), described ratchet a (3), ratchet b (4) are connected by ratchet spring (5), and being arranged in ratchet cavity (7), ratchet a (3), ratchet b (4) connect ratchet pawl control strip (6).
3. a kind of ratchet cutter according to claim 2, it is characterized in that, described ratchet pawl control strip (6) bottom is provided with semi-circular hole, this semi-circular hole is rotatably connected on handle of a knife (1), and ratchet pawl control strip (6) top is provided with installs the groove that ratchet gear dials key (8).
4. a kind of ratchet cutter according to claim 3, it is characterized in that, described ratchet gear is dialled key (8) afterbody and is provided with three horizontal successively lock holes: during the first lock hole locking, ratchet gear is dialled key (8) and is promoted ratchet pawl control strip (6) control ratchet spring (5) extruding ratchet a (3), cutter head (2) is opened, ratchet a (3) and ratchet clamping monodirectional locking; During the second lock hole locking, ratchet gear is dialled key (8) promotion ratchet pawl control strip (6) control ratchet spring (5) and is applied identical elastic force to ratchet a (3) and ratchet b (4) respectively, ratchet a (3) and ratchet b (4) and ratchet engage each other, and cutter head (2) is position and lock arbitrarily; During the 3rd lock hole locking, ratchet gear is dialled key (8) and is promoted ratchet pawl control strip (6) control ratchet spring (5) extruding ratchet b (4), cutter head (2) closes, ratchet b (4) and ratchet clamping monodirectional locking.
5. a kind of ratchet cutter according to claim 1, is characterized in that, described ratchet gear is dialled and is provided with ratchet gear between key (8) and handle of a knife and dials keypad (9).
6. a kind of ratchet cutter according to claim 1, it is characterized in that, described handle of a knife (1) comprises left handle of a knife (11), right handle of a knife (12), and be positioned at left handle of a knife skeleton (13) and the right handle of a knife skeleton (13) of left handle of a knife (11) and right handle of a knife (12), described left handle of a knife skeleton (13) is provided with can dial the track of key (8) horizontal slip for ratchet gear, is embedded to protrude from surface by one and can dial the upper lock hole of key (8) with ratchet gear and to overlap the steel ball locked in this track.
7. a kind of ratchet cutter according to claim 6, it is characterized in that, described left handle of a knife (11), left handle of a knife skeleton (13), right handle of a knife skeleton (13) are connected by stub (26) with right handle of a knife (12).
8. a kind of ratchet cutter according to claim 6, it is characterized in that, described left handle of a knife skeleton (13) is provided with the annular installing hole installing ratchet pawl control strip (6), described left handle of a knife (11) side is provided with can dial for ratchet gear the translot that key (8) upper toggle passes, described left handle of a knife (11), right handle of a knife (12) afterbody are provided with a hanging hole block (15), and this hanging hole block (15) is provided with hanging hole.
9. a kind of ratchet cutter according to claim 6, it is characterized in that, described cutter head (2) is by tool tip (21), blade locking plate (22), key (25) composition dialled by tool tip cover plate (23), cutter head spring (24), withdrawing, blade is arranged between tool tip (21) and tool tip cover plate (23), blade locking plate (22) head and blade clamping, afterbody abuts tool tip cover plate (23) by cutter head spring (24).
10. a kind of ratchet cutter according to claim 9, it is characterized in that, described left handle of a knife (11) is provided with escape, this escape is provided with upper and lower two gears, described withdrawing dials key (25) when being positioned at lower gear, key (25) pressing blade locking downwards plate (22) afterbody dialled by withdrawing, and blade locking plate (22) head exits unblock from blade; Withdrawing dials key (25) when being positioned at gear, and blade locking plate (22) afterbody is upspring by cutter head spring (24), blade locking plate (22) head and blade snap lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110113784.5A CN102229149B (en) | 2011-05-04 | 2011-05-04 | Ratchet cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110113784.5A CN102229149B (en) | 2011-05-04 | 2011-05-04 | Ratchet cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102229149A CN102229149A (en) | 2011-11-02 |
| CN102229149B true CN102229149B (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110113784.5A Active CN102229149B (en) | 2011-05-04 | 2011-05-04 | Ratchet cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102229149B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106419094A (en) * | 2016-09-19 | 2017-02-22 | 上海云月塑料有限公司 | Portable lazy table and furniture equipped with lazy table |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5915792A (en) * | 1996-06-20 | 1999-06-29 | Moki Knife Company Ltd. | Foldable knife |
| DE20303141U1 (en) * | 2003-02-26 | 2003-05-08 | Yu Chen Hsiu Man | Hand tool to open sealed cardboard boxes incorporates ratchet-mounted blade and staple extractor |
| CN201132317Y (en) * | 2007-09-15 | 2008-10-15 | 杭州巨星科技有限公司 | Hand knife easy for positioning operation for knife rack |
| CN201235543Y (en) * | 2008-07-22 | 2009-05-13 | 林雪良 | Cutter |
| CN202200310U (en) * | 2011-05-04 | 2012-04-25 | 上海昆杰五金工具有限公司 | Ratchet cutter |
-
2011
- 2011-05-04 CN CN201110113784.5A patent/CN102229149B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5915792A (en) * | 1996-06-20 | 1999-06-29 | Moki Knife Company Ltd. | Foldable knife |
| DE20303141U1 (en) * | 2003-02-26 | 2003-05-08 | Yu Chen Hsiu Man | Hand tool to open sealed cardboard boxes incorporates ratchet-mounted blade and staple extractor |
| CN201132317Y (en) * | 2007-09-15 | 2008-10-15 | 杭州巨星科技有限公司 | Hand knife easy for positioning operation for knife rack |
| CN201235543Y (en) * | 2008-07-22 | 2009-05-13 | 林雪良 | Cutter |
| CN202200310U (en) * | 2011-05-04 | 2012-04-25 | 上海昆杰五金工具有限公司 | Ratchet cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102229149A (en) | 2011-11-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Fa Inventor after: Huang Xumin Inventor after: Wen Hao Inventor before: Wen Hao |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WEN HAO TO: XU FA HUANG XUMIN WEN HAO |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: Room 201, Building 1 (Building A), No. 1-7, Lane 1356, Xinyuan Road, Minhang District, Shanghai, 2019 Patentee after: Shanghai Kunjie Industrial Co.,Ltd. Country or region after: China Address before: 201108 Shanghai city Minhang District Huaning road 3740 Lane 198 Patentee before: SHANGHAI KUNJEK HANDTOOLS AND HARDWARE Co.,Ltd. Country or region before: China |