CN105710433A - Tin snips capable of being operated by one hand - Google Patents
Tin snips capable of being operated by one hand Download PDFInfo
- Publication number
- CN105710433A CN105710433A CN201610284151.3A CN201610284151A CN105710433A CN 105710433 A CN105710433 A CN 105710433A CN 201610284151 A CN201610284151 A CN 201610284151A CN 105710433 A CN105710433 A CN 105710433A
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- CN
- China
- Prior art keywords
- lever
- bearing pin
- caliper
- pair
- storage tank
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D29/00—Hand-held metal-shearing or metal-cutting devices
- B23D29/02—Hand-operated metal-shearing devices
- B23D29/026—Hand-operated metal-shearing devices for cutting sheets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a pair of tin snips capable of being operated by one hand. The tin snips comprise a pair of pincers bodies hinged to a first hinging shaft. Pincers body blade parts are located at the front end of the first hinging shaft. Pincers body handle parts are located at the rear end of the first hinging shaft. Each grab handle is hinged to the corresponding pincers body handle part. The pair of grab handles are hinged to a second hinging shaft. The first hinging shaft is a locknut. The pair of grab handles comprise the first grab handle and the second grab handle. The head sections of the first grab handle and the second grab handle are opened inside to form containing grooves. The pair of tin snips further comprise a locking assembly. The locking assembly comprises a pin shaft, a torsion spring and a lock catch piece. The locking assembly makes cutting edges of the pincers body blade parts locked in a mutual closed state. The tin snips are simple in structure and convenient to use. The locknut is adopted at the pincers body hinged position, a locking effect can be effectively kept, and looseness is avoided. The tin snips can be held by one hand, a press part of the lock catch piece is operated by the thumb of the same hand, and therefore the tin snips can be controlled to be switched between a locked state and an unlocked state.
Description
Technical field
The invention belongs to hardware & tools technical field, relate to the tinsmith snips of a kind of one-hand operation for shearing the hard materials such as iron sheet.
Background technology
Tinsmith snips are a kind of hardware & tools, in every field that it is widely applied in daily life and relevant industrial trade, are mainly used to shear iron sheet, iron wire, copper wire, stainless steel sheet| etc..The structure of traditional tinsmith snips includes: be crisscross arranged, and it is articulated with a pair caliper of the first jointed shaft, what be positioned at the first jointed shaft front end is caliper blade, each caliper blade is provided with cutting edge, what be positioned at the first jointed shaft rear end is caliper shank, each caliper shank is all hinged with lever, the head of a pair lever is between two caliper shanks, and it is articulated with the second jointed shaft, it is arranged with elastomeric element between a pair lever, elastomeric element makes two levers have outwardly trend, so that a pair cutting edge has the trend mutually opened, two levers of inside grip pressure make it mutually draw close the cutting edge of a pair caliper blade can be made to be mutually closed thus shearing；A pair described lever is provided with the latch assembly that the cutting edge of caliper blade can be made to be locked at the state of being mutually closed.Latch assembly structure on traditional tinsmith snips is complicated, and locking and the releasing locking of cutting edge are extremely inconvenient.
When user operation tinsmith snips fold and lock, it is necessary to a hands grips this lever and another hands swing latch assembly.In working space, hands of user grips tinsmith snips and another hands grips the object being sheared, and when need to fold tinsmith snips, first puts down the operation that the object that another hands grips can carry out folding, the efficiency in work can be caused thus not good.
And how to solve the problems referred to above, it is the contents to study of those skilled in the art.
Summary of the invention
For overcoming above-mentioned deficiency of the prior art, present invention aim at providing the tinsmith snips of a kind of one-hand operation.
For achieving the above object and other relevant purposes, the present invention provides the tinsmith snips of a kind of one-hand operation, including being crisscross arranged and being articulated with a pair caliper of the first jointed shaft, what be positioned at the first jointed shaft front end is caliper blade, being provided with cutting edge on each caliper blade, what be positioned at the first jointed shaft rear end is caliper shank, and each caliper shank is all hinged with lever, the head of a pair lever is between two caliper shanks, and is articulated with the second jointed shaft；Described second jointed shaft is arranged with elastomeric element, and described first jointed shaft is stop nut；The pair of lever respectively the first lever and the second lever；Described first lever and the second lever all include head and afterbody, and described afterbody is hand holding handle；The head sections of described first lever and the second lever is all provided with storage tank towards interior side opening；Also including latch assembly, described latch assembly makes the cutting edge of caliper blade be locked at the state of being mutually closed；Described latch assembly includes bearing pin, torsion spring and snap close piece；Described bearing pin includes the first bearing pin and the second bearing pin, and described first bearing pin is arranged in the storage tank of described first lever, in the storage tank being arranged on described second lever that described second bearing pin is symmetrical with described first bearing pin；Described torsion spring set is located on described first bearing pin, and two effect ends of the two of described torsion spring are respectively acting on the sidewall of described storage tank, and one end of described snap close piece is provided with latch part, and its other end is provided with press section；The middle part of described snap close piece is provided with the pivot hole being sheathed on described first bearing pin；Described latch part fastens described second bearing pin separatably.
In technique scheme, related content is explained as follows:
1, in such scheme, described stop nut has:, superior resistance to shock: screw thread is when tightening, the crest screw thread dimension of bolt tightly enters 30 ° of tapered ramp of nut and is clamped, and put on produced normal force on tapered ramp and become 60 ° of angles with the axis of bolt, rather than 30 ° of angles, therefore, the normal force produced during stop nut fastening, much larger than common standard nut, has great loose-proof anti-vibration ability., wear-resistant and anti-shear ability is strong: on the screw thread that 30 ° of inclined-planes at the bottom of nut thread tooth can make nut lock clamp force be evenly distributed on all each teeth, due to the thrust distributed uniform on each pitch thread face, so the problem that nut can solve thread abrasion and detrusion preferably., repeat performance good: a large amount of use shows, stop nut is through repeatedly fastening and dismounting repeatedly, and its coupling mechanism force does not still reduce, and can keep original locking effect.
2, in such scheme, what described elastomeric element was contrary is respectively arranged at two ends with butting section, and described butting section is respectively protruding in the storage tank of described first lever and described second lever.
3, in such scheme, described storage tank is U-lag.
4, in such scheme, the end face of described press section is provided with anti-slip part.
5, in such scheme, described latch part is arc hook, and described latch part is closed on formation arc guide edge on the side of described press section.
6, in such scheme, described latch part can pivot relative to the first lever, when being hold by one hand tinsmith snips, is utilizing the press section with snap close piece described in thumb press on the other hand so that described latch part can be fastened on described second bearing pin of described second lever.
The present invention has locking and unlocks two states；When tinsmith snips are positioned at locking state, caliper blade folds and closes up, and the first lever and the second lever also fold mutually, and the latch part of snap close piece is fastened on the second bearing pin in the second lever storage tank；When tinsmith snips are positioned at released state, the latch part of snap close piece departs from the second bearing pin in the second lever storage tank, then amount caliper blade can be put by pivot mutually.When needing tinsmith snips to be converted to released state by locking state, it is hold by one hand tinsmith snips pressing the first lever and the second lever, then the second bearing pin promotes the leading edge in described latch part, make described leading edge relative to the second bearing pin sliding, so that snap close piece pivots relative to the first bearing pin, described second bearing pin departs from the latch part of described snap close piece, the pair of caliper launches under the effect of elastomeric element, need to by tinsmith snips by unlock shape be converted to locking shape time, grip hands pressing the first lever and second lever of tinsmith snips, and interlock described two calipers and fold, and utilize the press section with snap close piece described in thumb press on the other hand, described latch part can be fastened on described second bearing pin of described second lever.
Owing to technique scheme is used, the present invention compared with prior art has the advantage, that
Present configuration is simple, easy to use.Caliper hinged place adopts stop nut, can effectively keep locking effect, not loosen.The present invention can be hold by one hand tinsmith snips and utilize the press section of same thumb manipulation snap close piece on the other hand in locking and can unlock exchange under two states by controlling tinsmith snips.
Accompanying drawing explanation
Fig. 1 is reality structural representation of the present invention；
Fig. 2 is the structural representation under locking state of the present invention；
Fig. 3 is the structural representation under released state of the present invention；
Fig. 4 is the decomposition texture schematic diagram of present invention shank part and snap close piece.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art the content disclosed by this specification can understand other advantages and effect of the present invention easily.
Refer to Fig. 1 to Fig. 4.Notice, the structure of this specification institute accompanying drawings depicted, ratio, size etc., all only in order to coordinate the disclosed content of description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of the present invention, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this specification cited as " on ", D score, "left", "right", " centre " and " one " etc. term, it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figures 1 to 4, a kind of tinsmith snips of one-hand operation, including being crisscross arranged and being articulated with a pair caliper of the first jointed shaft 1, what be positioned at the first jointed shaft 1 front end is caliper blade 2, being provided with cutting edge 21 on each caliper blade, what be positioned at the first jointed shaft 1 rear end is caliper shank 3, and each caliper shank 3 is all hinged with lever, the head of a pair lever is between two caliper shanks 3, and is articulated with the second jointed shaft 4；Described second jointed shaft 4 is arranged with elastomeric element 14, and described first jointed shaft 1 is stop nut；The pair of lever is the first lever 5 and the second lever 6 respectively；Described first lever 5 and the second lever 6 all include head and afterbody, and described afterbody is hand holding handle；The head sections of described first lever 5 and the second lever 6 is all provided with storage tank 8 towards interior side opening；Also including latch assembly, described latch assembly makes the cutting edge 21 of caliper blade 2 be locked at the state of being mutually closed；Described latch assembly includes bearing pin, torsion spring 10 and snap close piece 11；Described bearing pin includes the first bearing pin 91 and the second bearing pin 92, and described first bearing pin 91 is arranged in the storage tank 8 of described first lever 5, in the storage tank 8 being arranged on described second lever 6 that described second bearing pin 92 is symmetrical with described first bearing pin 91；Described torsion spring 10 is set on described first bearing pin 91, and two effect ends of the two of described torsion spring 10 are respectively acting on the sidewall of described storage tank 8, and one end of described snap close piece 11 is provided with latch part 111, and its other end is provided with press section 112；The middle part of described snap close piece 11 is provided with the pivot hole 113 being sheathed on described first bearing pin 91；Described latch part 111 fastens described second bearing pin 92 separatably.
Described stop nut has:, superior resistance to shock: screw thread is when tightening, the crest screw thread dimension of bolt tightly enters 30 ° of tapered ramp of nut and is clamped, and put on produced normal force on tapered ramp and become 60 ° of angles with the axis of bolt, rather than 30 ° of angles, therefore, the normal force produced during stop nut fastening, much larger than common standard nut, has great loose-proof anti-vibration ability., wear-resistant and anti-shear ability is strong: on the screw thread that 30 ° of inclined-planes at the bottom of nut thread tooth can make nut lock clamp force be evenly distributed on all each teeth, due to the thrust distributed uniform on each pitch thread face, so the problem that nut can solve thread abrasion and detrusion preferably., repeat performance good: a large amount of use shows, stop nut is through repeatedly fastening and dismounting repeatedly, and its coupling mechanism force does not still reduce, and can keep original locking effect.
What described elastomeric element 14 was contrary is respectively arranged at two ends with butting section, and described butting section is respectively protruding in the storage tank 8 of described first lever 5 and described second lever 6.Described storage tank 8 is U-lag.
The end face of described press section 112 is provided with anti-slip part 12.Described latch part 111 is linked up with for arc, and described latch part 111 is closed on formation arc guide edge 13 on the side of described press section 112.
Described latch part 111 can pivot relative to the first lever 5, when being hold by one hand tinsmith snips, utilize the press section 112 with snap close piece 11 described in thumb press on the other hand so that described latch part 111 can be fastened on described second bearing pin 92 of described second lever 6.
The present invention has locking and unlocks two states；When tinsmith snips are positioned at locking state, caliper blade folds and closes up, and the first lever and the second lever also fold mutually, and the latch part of snap close piece is fastened on the second bearing pin in the second lever storage tank；When tinsmith snips are positioned at released state, the latch part of snap close piece departs from the second bearing pin in the second lever storage tank, then amount caliper blade can be put by pivot mutually.When needing tinsmith snips to be converted to released state by locking state, it is hold by one hand tinsmith snips pressing the first lever and the second lever, then the second bearing pin promotes the leading edge in described latch part, make described leading edge relative to the second bearing pin sliding, so that snap close piece pivots relative to the first bearing pin, described second bearing pin departs from the latch part of described snap close piece, the pair of caliper launches under the effect of elastomeric element, need to by tinsmith snips by unlock shape be converted to locking shape time, grip hands pressing the first lever and second lever of tinsmith snips, and interlock described two calipers and fold, and utilize the press section with snap close piece described in thumb press on the other hand, described latch part can be fastened on described second bearing pin of described second lever.
Present configuration is simple, easy to use.Caliper hinged place adopts stop nut, can effectively keep locking effect, not loosen.The present invention can be hold by one hand tinsmith snips and utilize the press section of same thumb manipulation snap close piece on the other hand in locking and can unlock exchange under two states by controlling tinsmith snips.
Above-described embodiment is illustrative principles of the invention and effect thereof only, not for the restriction present invention.Above-described embodiment all under the spirit and category of the present invention, can be modified or change by any those skilled in the art.Therefore, art has usually intellectual such as modifying without departing from all equivalences completed under disclosed spirit and technological thought or change, must be contained by the claim of the present invention.
Claims (5)
1. the tinsmith snips of an one-hand operation, including being crisscross arranged and being articulated with a pair caliper of the first jointed shaft, what be positioned at the first jointed shaft front end is caliper blade, each caliper blade is provided with cutting edge, what be positioned at the first jointed shaft rear end is caliper shank, each caliper shank is all hinged with lever, and the head of a pair lever is between two caliper shanks, and is articulated with the second jointed shaft；Described second jointed shaft is arranged with elastomeric element；It is characterized in that: described first jointed shaft is stop nut；The pair of lever respectively the first lever and the second lever；Described first lever and the second lever all include head and afterbody, and described afterbody is hand holding handle；The head sections of described first lever and the second lever is all provided with storage tank towards interior side opening；Also including latch assembly, described latch assembly makes the cutting edge of caliper blade be locked at the state of being mutually closed；Described latch assembly includes bearing pin, torsion spring and snap close piece；Described bearing pin includes the first bearing pin and the second bearing pin, and described first bearing pin is arranged in the storage tank of described first lever, in the storage tank being arranged on described second lever that described second bearing pin is symmetrical with described first bearing pin；Described torsion spring set is located on described first bearing pin, and the two of described torsion spring effect ends are respectively acting on the sidewall of described storage tank, and one end of described snap close piece is provided with latch part, and its other end is provided with press section；The middle part of described snap close piece is provided with the pivot hole being sheathed on described first bearing pin；Described latch part fastens described second bearing pin separatably.
2. the tinsmith snips of one-hand operation according to claim 1, it is characterised in that: what described elastomeric element was contrary is respectively arranged at two ends with butting section, and described butting section is respectively protruding in the storage tank of described first lever and described second lever.
3. the tinsmith snips of one-hand operation according to claim 1, it is characterised in that: described storage tank is U-lag.
4. the tinsmith snips of one-hand operation according to claim 1, it is characterised in that: the end face of described press section is provided with anti-slip part.
5. the tinsmith snips of one-hand operation according to claim 1, it is characterised in that: described latch part is arc hook, and described latch part is closed on formation arc guide edge on the side of described press section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284151.3A CN105710433A (en) | 2016-05-03 | 2016-05-03 | Tin snips capable of being operated by one hand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284151.3A CN105710433A (en) | 2016-05-03 | 2016-05-03 | Tin snips capable of being operated by one hand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105710433A true CN105710433A (en) | 2016-06-29 |
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ID=56162256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610284151.3A Pending CN105710433A (en) | 2016-05-03 | 2016-05-03 | Tin snips capable of being operated by one hand |
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| Country | Link |
|---|---|
| CN (1) | CN105710433A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685178A (en) * | 2017-09-27 | 2018-02-13 | 威海市威力高档工具有限公司 | Tinsmith snips with three lever force-saving functions |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6574870B1 (en) * | 2001-12-06 | 2003-06-10 | Hsin-Te Huang | Metal shears with an attached tag |
| CN103418828A (en) * | 2012-05-15 | 2013-12-04 | 皇盈企业股份有限公司 | Scissors |
| CN104028833A (en) * | 2013-05-27 | 2014-09-10 | 昆山夏福特五金电子科技有限公司 | Novel tinsmith snips |
| CN204053090U (en) * | 2014-06-30 | 2014-12-31 | 江苏金鹿集团有限公司 | Tinsmith snips |
| CN204449469U (en) * | 2014-12-30 | 2015-07-08 | 皇盈企业股份有限公司 | Can one-handed performance locking tinsmith snips |
| TW201540449A (en) * | 2014-04-16 | 2015-11-01 | Wen-Qiao Cai | Shears capable of being operated with one hand |
-
2016
- 2016-05-03 CN CN201610284151.3A patent/CN105710433A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6574870B1 (en) * | 2001-12-06 | 2003-06-10 | Hsin-Te Huang | Metal shears with an attached tag |
| CN103418828A (en) * | 2012-05-15 | 2013-12-04 | 皇盈企业股份有限公司 | Scissors |
| CN104028833A (en) * | 2013-05-27 | 2014-09-10 | 昆山夏福特五金电子科技有限公司 | Novel tinsmith snips |
| TW201540449A (en) * | 2014-04-16 | 2015-11-01 | Wen-Qiao Cai | Shears capable of being operated with one hand |
| CN204053090U (en) * | 2014-06-30 | 2014-12-31 | 江苏金鹿集团有限公司 | Tinsmith snips |
| CN204449469U (en) * | 2014-12-30 | 2015-07-08 | 皇盈企业股份有限公司 | Can one-handed performance locking tinsmith snips |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685178A (en) * | 2017-09-27 | 2018-02-13 | 威海市威力高档工具有限公司 | Tinsmith snips with three lever force-saving functions |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |