CN101758503B - Folding carpet knife with locked shaft holes - Google Patents
Folding carpet knife with locked shaft holes Download PDFInfo
- Publication number
- CN101758503B CN101758503B CN 200910249735 CN200910249735A CN101758503B CN 101758503 B CN101758503 B CN 101758503B CN 200910249735 CN200910249735 CN 200910249735 CN 200910249735 A CN200910249735 A CN 200910249735A CN 101758503 B CN101758503 B CN 101758503B
- Authority
- CN
- China
- Prior art keywords
- cage knob
- cutter hub
- knife rest
- knife
- slotted eye
- 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 invention provides a folding carpet knife with locked shaft holes, which comprises a left knife body, a right knife body, a knife carrier, a left lock knob, a right lock knob and a return spring, wherein profiled groove holes which are perforated right and left are respectively arranged on the left knife body, the right knife body and the knife carrier, the left lock knob and the right lock knob respectively penetrate through the profiled groove holes of the left knife body and the right knife body from the left side and the right side and are inserted into the profiled groove holes of the knife carrier, nested and connected fixedly, the return spring is arranged in the profiled groove holes of the knife carrier and connected with the left lock knob in an abutting way, the circumferential directions of the profiled groove holes on the knife carrier are provided with at least one positioning lockhole, the right lock knob comprises a locking block, the locking block of the right lock knob can be inserted into any lockhole on the knife carrier to form shaft hole locking, and the locking block of the right lock knob can withdraw from the lockhole on the knife carrier for relieving the locking by pushing the left lock knob inwards. Because of arranging a locking/unlocking mechanism comprising the left lock knob, the right lock knob and the return spring, the folding carpet knife with the locked shaft holes can realize the multi-angle locking use of the shaft holes.
Description
Technical field
The present invention relates to a kind of hand-held tool, relate in particular to a kind of folding carpet knife with locked shaft holes.
Background technology
Traditional carpet knife is divided into fixed, collapsible and telescopic usually, generally is used for cutting carpet, paper, cloth, leather etc.The locking mechanism of general carpet knife all is positioned at the outer rim of knife rest, and can only use an angle, be (180 degree) use point-blank of knife rest and cutter hub, but can not use in other angle (0-180 degree) locking, cause the limitation of the scope of application.
Summary of the invention
Purpose of the present invention is exactly in order to provide a kind of folding carpet knife with locked shaft holes.
In order to achieve the above object, the present invention has adopted following technical scheme: a kind of folding carpet knife with locked shaft holes, comprise cutter hub and knife rest, be respectively equipped with connecting shaft hole at cutter hub and knife rest, knife rest passes above-mentioned connecting shaft hole with cutter hub by connecting axle and rotatably links to each other, be characterized in, described connecting axle is a locking release mechanism, and the connecting shaft hole on this locking release mechanism and the knife rest forms the locked shaft holes release relation of duty and folded state.
Described locking release mechanism is constituted by left cage knob, right cage knob and return spring; Described cutter hub is constituted by left cutter hub and right cutter hub, be respectively equipped with connecting shaft hole at left cutter hub and right cutter hub, connecting shaft hole on the left cutter hub is the type slotted eye adaptive with above-mentioned left cage knob and return spring, connecting shaft hole on the right cutter hub is the type slotted eye adaptive with above-mentioned right cage knob, connecting shaft hole on the described knife rest is the type slotted eye adaptive with above-mentioned left cage knob or right cage knob, left and right sides cage knob passes respectively the type slotted eye of left and right sides cutter hub and inserts knife rest from the left and right sides type slotted eye is nested with and is fixedly linked, return spring is arranged in the type slotted eye of left cutter hub and conflicts with left cage knob and links to each other, type slotted eye on the described knife rest is circumferentially with at least one location lockhole, described right cage knob comprises a lock dog, the lock dog of right cage knob can insert and form locked shaft holes in the lockhole on the knife rest, inwardly promotes the lockhole that lock dog that left cage knob can make right cage knob withdraws from the knife rest and unlocks.
Described left cage knob comprises the annular push pedal, in the push pedal inboard less than a plurality of slide blocks for linking to each other with left cutter hub sliding sleeve of being circumferentially with of push pedal diameter, cylinder of the inboard connection of a plurality of slide blocks, the cylinder front end be provided with for the nested gear shape structure that links to each other of right cage knob, a plurality of slide openings that the type slotted eye on the described left cutter hub comprises be used to the spring base that return spring is set and is used for linking to each other with a plurality of slide block sliding sleeves of left cage knob; Described return spring is arranged in the above-mentioned spring base and is sleeved on outside above-mentioned a plurality of slide block.
Described right cage knob comprises annular cover, at a plurality of slide blocks for linking to each other with right cutter hub sliding sleeve of being circumferentially with of cover plate inboard, the more microscler one-tenth of one of them slide block can insert the interior lock dog of lockhole on the knife rest, a plurality of slide blocks are inboard to connect a cylinder, the cylinder front end be provided with for the nested gear shape structure that links to each other of left cage knob; Type slotted eye on the described right cutter hub comprises a plurality of slide openings that link to each other for a plurality of slide block sliding sleeves of right cage knob.
Type slotted eye left side on the described knife rest is provided with the groove of allowing that left cage knob inwardly advances.
Described to be arranged on the circumferential location lockhole of knife rest type slotted eye be two, and two lockholes are symmetrically distributed in the two ends of the horizontal diameter line of type slotted eye, and the level of being respectively applied to goes out the locking release of cutter duty and the locking release of the folded state of returning sword.
Described to be arranged on the circumferential location lockhole of knife rest type slotted eye be three, and two lockholes wherein are symmetrically distributed in the two ends of the horizontal diameter line of type slotted eye, and the level of being respectively applied to goes out the locking release of cutter duty and the locking release of the folded state of returning sword; Another one is arranged on the top between aforementioned two lockholes, is used for the locking release that the angle between knife rest and the cutter hub goes out the cutter duty less than 180 degree greater than zero degree.
Described to be arranged on the circumferential location lockhole of knife rest type slotted eye be four, and two lockholes wherein are symmetrically distributed in the two ends of the horizontal diameter line of type slotted eye, and the level of being respectively applied to goes out the locking release of cutter duty and the locking release of the folded state of returning sword; Two other is distributed in the top between aforementioned two lockholes, and an angle that is used between knife rest and the cutter hub is the locking release that obtuse angle or right angle go out the cutter duty; Another angle that is used between knife rest and the cutter hub is the locking release that right angle or acute angle go out the cutter duty.
Even interval arranges described four location lockholes on the top of described knife rest type slotted eye.
Folding carpet knife with locked shaft holes of the present invention can be realized multi-angle locking use owing to being provided with the locked shaft holes release mechanism that is comprised of left cage knob, right cage knob and return spring.
Description of drawings
Fig. 1 is perspective view of the present invention;
Fig. 2, Fig. 3 are decomposition texture schematic diagrames of the present invention;
Fig. 4 is the perspective view of the left cage knob among the present invention;
Fig. 5 is the perspective view of the right cage knob among the present invention;
Fig. 6 is the structural representation of facing of the present invention;
Fig. 7 is that the A-A of Fig. 6 is to the sectional structure schematic diagram;
Fig. 8 is that the B-B of Fig. 6 is to the sectional structure schematic diagram.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, cooperation is referring to Fig. 6, Fig. 7, Fig. 8, folding carpet knife with locked shaft holes of the present invention comprises left cutter hub 1, right cutter hub 2, is clipped in bracing frame 3 and knife rest 4 between the cutter hub of the left and right sides, and left cage knob 5, right cage knob 6, return spring 7 and belt fastener 8.
The type slotted eye 11,21 and 41 that about left cutter hub 1, right cutter hub 2 and knife rest 4 are respectively equipped with, connects, left and right sides cage knob passes respectively the type slotted eye of left and right sides cutter hub and inserts knife rest from the left and right sides type slotted eye is nested with and links to each other and fixing by screw 9, and return spring 7 is arranged on to conflict in the type slotted eye 41 of knife rest and with left cage knob 5 and links to each other.
Type slotted eye 11 on the left cutter hub 1 comprises be used to the spring base 111 that return spring 7 is set and four slide openings 112 that are used for linking to each other with four slide block 52 sliding sleeves of left cage knob 5.Return spring 7 is arranged in the spring base 111 and is sleeved on outside four slide blocks 52 of left cage knob.
Type slotted eye 21 on the right cutter hub 2 comprises four slide openings 211 that link to each other for four slide block 62 sliding sleeves of right cage knob.
Type slotted eye 41 on the knife rest 4 is circumferentially with a plurality of location lockhole 411, and the left side is provided with the groove 412 of allowing that left cage knob 5 inwardly advances.
Cooperation is referring to Fig. 4, left cage knob 5 among the present invention comprises annular push pedal 51, being circumferentially with four and being used for the slide block 52 that links to each other with left cutter hub sliding sleeve less than the push pedal diameter in push pedal 51 inboards, four slide blocks are inboard to connect a cylinder 53, the cylinder front end be provided with for the nested gear shape structure 54 that links to each other of right cage knob.
Cooperation is referring to Fig. 5, right lock 6 buttons among the present invention comprise annular cover 61, being circumferentially with four and being used for the slide block 62 link to each other with right cutter hub sliding sleeve in the cover plate inboard, the more microscler one-tenth of one of them slide block can insert the interior lock dog 621 of lockhole on the knife rest, four slide blocks are inboard to connect a cylinder 63, the cylinder front end be provided with for the nested gear shape structure 64 that links to each other of left cage knob.The lock dog 621 of right cage knob can insert any one the lockhole 411 interior formation locked shaft holes on the knife rest, inwardly promotes the lockhole that lock dog 621 that left cage knob 5 can make right cage knob withdraws from the knife rest and unlocks.
The operation principle of folding carpet knife with locked shaft holes of the present invention is that under folded state, location lockhole the most inboard on the knife rest is locked by left and right sides cage knob.When needs use, can inwardly promote left cage knob, the lock dog that makes right cage knob withdraws from the lockhole and unlocks, then swivelling tool-holder is to the angle that needs, decontrol left cage knob, left cage knob namely retreats under the effect of return spring, and drives right cage knob and advance, and lock dog is inserted in the location lockhole of relevant position and forms new locking.As spurring knife rest to using with cutter hub point-blank, then when swivelling tool-holder, the finger of pressing left cage knob does not unclamp, and unclamps until knife rest and cutter hub are in alignment again, and then outermost location lockhole is locked by left and right sides cage knob on the knife rest.Can use safely.
Claims (4)
1. folding carpet knife with locked shaft holes, comprise cutter hub and knife rest, be respectively equipped with connecting shaft hole at cutter hub and knife rest, knife rest passes above-mentioned connecting shaft hole with cutter hub by connecting axle and rotatably links to each other, it is characterized in that: described connecting axle is a locking release mechanism, and the connecting shaft hole on this locking release mechanism and the knife rest forms the locked shaft holes release relation of duty and folded state;
Described locking release mechanism is constituted by left cage knob, right cage knob and return spring; Described cutter hub is constituted by left cutter hub and right cutter hub, be respectively equipped with connecting shaft hole at left cutter hub and right cutter hub, connecting shaft hole on the left cutter hub is the type slotted eye adaptive with above-mentioned left cage knob and return spring, connecting shaft hole on the right cutter hub is the type slotted eye adaptive with above-mentioned right cage knob, connecting shaft hole on the described knife rest is the type slotted eye adaptive with above-mentioned left cage knob or right cage knob, left and right sides cage knob passes respectively the type slotted eye of left and right sides cutter hub and inserts knife rest from the left and right sides type slotted eye is nested with and is fixedly linked, return spring is arranged in the type slotted eye of left cutter hub and conflicts with left cage knob and links to each other, type slotted eye on the described knife rest is circumferentially with at least one location lockhole, described right cage knob comprises a lock dog, the lock dog of right cage knob can insert and form locked shaft holes in the lockhole on the knife rest, inwardly promotes the lockhole that lock dog that left cage knob can make right cage knob withdraws from the knife rest and unlocks.
2. folding carpet knife with locked shaft holes as claimed in claim 1, it is characterized in that: described left cage knob comprises the annular push pedal, in the push pedal inboard less than a plurality of slide blocks for linking to each other with left cutter hub sliding sleeve of being circumferentially with of push pedal diameter, cylinder of the inboard connection of a plurality of slide blocks, the cylinder front end be provided with for the nested gear shape structure that links to each other of right cage knob, a plurality of slide openings that the type slotted eye on the described left cutter hub comprises be used to the spring base that return spring is set and is used for linking to each other with a plurality of slide block sliding sleeves of left cage knob; Described return spring is arranged in the above-mentioned spring base and is sleeved on outside above-mentioned a plurality of slide block.
3. folding carpet knife with locked shaft holes as claimed in claim 1, it is characterized in that: described right cage knob comprises annular cover, at a plurality of slide blocks for linking to each other with right cutter hub sliding sleeve of being circumferentially with of cover plate inboard, the more microscler one-tenth of one of them slide block can insert the interior lock dog of lockhole on the knife rest, a plurality of slide blocks are inboard to connect a cylinder, the cylinder front end be provided with for the nested gear shape structure that links to each other of left cage knob; Type slotted eye on the described right cutter hub comprises a plurality of slide openings that link to each other for a plurality of slide block sliding sleeves of right cage knob.
4. folding carpet knife with locked shaft holes as claimed in claim 1 is characterized in that: be provided with the groove of allowing that left cage knob inwardly advances on the left of the type slotted eye on the described knife rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910249735 CN101758503B (en) | 2009-12-01 | 2009-12-01 | Folding carpet knife with locked shaft holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910249735 CN101758503B (en) | 2009-12-01 | 2009-12-01 | Folding carpet knife with locked shaft holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101758503A CN101758503A (en) | 2010-06-30 |
| CN101758503B true CN101758503B (en) | 2013-01-16 |
Family
ID=42489963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910249735 Expired - Fee Related CN101758503B (en) | 2009-12-01 | 2009-12-01 | Folding carpet knife with locked shaft holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101758503B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2623490A1 (en) * | 1976-05-26 | 1977-12-01 | Beermann Kg Martor Argentax | Trimmer knife for cutting cardboard, leather, carpets etc. - has pivoted replaceable blade which retracts into handle by spiral spring and catch lock |
| CN2262474Y (en) * | 1996-09-17 | 1997-09-17 | 刘培根 | Multifunctional decorating knife |
| JP2008270129A (en) * | 2007-04-25 | 2008-11-06 | Seiichi Nakamura | Switch with safeguard |
| CN101486197A (en) * | 2008-12-19 | 2009-07-22 | 吴宁 | Electric carpet scissor |
| CN201573215U (en) * | 2009-12-01 | 2010-09-08 | 上海昆杰五金工具有限公司 | Shaft hole locking type foldaway carpet knife |
-
2009
- 2009-12-01 CN CN 200910249735 patent/CN101758503B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2623490A1 (en) * | 1976-05-26 | 1977-12-01 | Beermann Kg Martor Argentax | Trimmer knife for cutting cardboard, leather, carpets etc. - has pivoted replaceable blade which retracts into handle by spiral spring and catch lock |
| CN2262474Y (en) * | 1996-09-17 | 1997-09-17 | 刘培根 | Multifunctional decorating knife |
| JP2008270129A (en) * | 2007-04-25 | 2008-11-06 | Seiichi Nakamura | Switch with safeguard |
| CN101486197A (en) * | 2008-12-19 | 2009-07-22 | 吴宁 | Electric carpet scissor |
| CN201573215U (en) * | 2009-12-01 | 2010-09-08 | 上海昆杰五金工具有限公司 | Shaft hole locking type foldaway carpet knife |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101758503A (en) | 2010-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20191201 |