CN103375532B - Snap hook - Google Patents
Snap hook Download PDFInfo
- Publication number
- CN103375532B CN103375532B CN201210129705.4A CN201210129705A CN103375532B CN 103375532 B CN103375532 B CN 103375532B CN 201210129705 A CN201210129705 A CN 201210129705A CN 103375532 B CN103375532 B CN 103375532B
- Authority
- CN
- China
- Prior art keywords
- door bolt
- anticreep
- opening
- coupler body
- bolt
- 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
Links
Landscapes
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Lock And Its Accessories (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
A kind of snap hook, comprise the coupler body with opening, change is provided with in the opposite end of opening, be hinged with anticreep door bolt in the inside of coupler body, and there is the safety lock being held in anticreep door bolt and sliding, and be supported in the spring between coupler body and anticreep door bolt, the latching arm of anticreep door bolt encloses the top of opening at ordinary times because of the elastic force of spring, and the below of latching arm has breach, the bottom of itself and opening defines closed ring, so that snap close mutual with the clasp of connecting object.When safety lock slides into locking position, breech lock function can be produced to anticreep door bolt, avoid anticreep to fasten with a bolt or latch and made opening open by malfunction, cause the accident that clasp comes off from coupler body; When safety lock slides into solution lock-bit, allow anticreep door bolt to be operated, latching arm outwards swung and leaves opening, conveniently taking off clasp from coupler body.
Description
Technical field
The present invention relates to a kind of snap hook, espespecially a kind of snap hook possessing safety lock.
Background technique
Fig. 1 shows the section of a kind of swivel hook (Swivel Snap Hook) 80.This swivel hook 80 comprises a coupler body 81, and an anticreep being supported in coupler body 81 slip fastens 82 with a bolt or latch, and one end of this coupler body 81 forms hook portion 85, in order to hook connecting object 70, and such as, clasp 71 on the article such as Pet neck ring, pet safe band; The other end of coupler body 81 forms an axle journal 86, and for installation one change 83, this change 83 such as, in order to connect ribbon 90 or homologue, rope, a chain etc.A spring 84 using compressive force to have an effect is also had between coupler body 81 and anticreep door bolt 82, with its elastic force of mat, anticreep door bolt 82 is remained on the position of closed hook portion 85, make hook portion 85 and anticreep door bolt 82 define a ring 87 closed, so, all linked with one another with clasp 71, reach connection object.
Fig. 2 is another kind of conventional swivel hook 80a.This swivel hook 80a is the same with above-mentioned swivel hook 80, also be by the coupler body 81a with hook portion 85a and axle journal 86a, in order to the anticreep door bolt 82a of opening and closing hook portion 85a, be installed on the change 83a that axle journal 86a rotates, and the spring 84a be supported between coupler body 81a and anticreep door bolt 82a combines, both difference is, this anticreep door bolt 82a is articulated with coupler body 81a and swings, spring 84a is the torque spring using warping force to have an effect, remained on the position of closed hook portion 85a by the elastic force of spring 84a when anticreep door bolt 82a is flat, with define one close ring 87a and clasp 71 all linked with one another, in addition, two kinds of swivel hooks 80 are roughly the same on 26S Proteasome Structure and Function with 80a, repeat no more.
Again, the anticreep door bolt 82 of described swivel hook 80 and 80a and 82a have the bolt handle given prominence to laterally 88 and a 88a, easy-to-operat anticreep door bolt 82 and 82a.But this bolt handle 88 given prominence to and 88a probably by clasp 71 or the malfunction of other external force institute, and make anticreep door bolt 82 and 82a automatically open, and allow hook portion 85 and 85a open wide, cause clasp 71 come off and lose connection function, time serious, also may lead to accident.Such as, originally by the dog of fastening, probably pop out because of this accidental, result occurs wounded, even the matters of regret such as passerby of biting by car.
Summary of the invention
The object of the present invention is to provide a kind of snap hook with breech lock function, anticreep can be avoided to fasten with a bolt or latch and opened by malfunction, guarantee safety.
Specific implementation snap hook of the present invention, comprises:
One coupler body, has an opening, being formed at one end and is arranged at inside and links up the door bolt room of this opening, and the groove that is formed at side;
One anticreep door bolt, be installed on these door bolt indoor and be hinged with this coupler body, it comprises the latching arm that extends to this upper opening portion, and one at least has the chute that a locking cave and unlocks cave, and the below of this latching arm has a breach, the bottom of this breach and opening defines a ring closed, and the outside of this chute forms a notch alignd with this groove;
One spring, is supported between this coupler body and anticreep door bolt, makes this latching arm enclose the top of this opening at ordinary times with its elastic force of mat; And
One safety lock, comprises an operating lever and a spring hitch, and this spring hitch inserts the slide of this anticreep door bolt, and has at least one trip;
When this safety lock slide into this trip embed the position in this locking cave time, this operating lever submerges in this groove and notch, and by this anticreep door bolt remain on blocking; When this safety lock slide into this trip embed the position in this unblock cave time, this operating lever exits this groove and notch, and removes the breech lock function of fastening with a bolt or latch this anticreep, allows this anticreep to fasten with a bolt or latch and is outwards swung by operating, make this latching arm leave the opening of this coupler body, allow this opening be opened wide.
Described coupler body comprises again the axle journal that is formed at described opening opposite end, and has the change that a rotation is installed on described axle journal.
Described anticreep door bolt comprises a pair unblock cave and a pair locking cave and is symmetricly set on two limit walls of described chute respectively, described spring hitch is extend from the inner side of described operating lever to form, be separated in half simultaneously and have elasticity, described trip is by outwardly being formed from the both sides of described spring hitch.
Described anticreep door bolt comprises again one and is formed at recess above described latching arm.
Effect that swivel hook is commonly used in the present invention's contrast is, has safety lock and can lock anticreep door bolt, make anticreep fasten the possibility do not opened by malfunction with a bolt or latch, prevent connecting object accidental, significantly improve the Security of swivel hook.
Can be completely clear with reference to coordinating graphic specific embodiment to illustrate below with feature as technology contents of the present invention and other object.
Accompanying drawing explanation
Fig. 1 is the sectional drawing commonly using swivel hook.
Fig. 2 is that another commonly uses the sectional drawing of swivel hook.
Fig. 3 is the External view that the present invention is in blocking.
Fig. 4 is element exploded view of the present invention.
Fig. 5 is the sectional drawing that the present invention is in blocking.
Fig. 6 is the sectional drawing that the present invention is in released state.
Reference character
10 snap hook 20 coupler body 21 openings 22 fasten room 23 axle journal 24 groove 25 fastener with a bolt or latch
26 mounting hole 27 bottom 28 recess 30 anticreeps fasten 31 latching arm 32 pilot holes with a bolt or latch
33 breach 34 ring 35 chute 36 locking caves 37 unlock cave 38 notch
39 empennage 40 spring 50 safety lock 51 operating lever 52 spring hitch 53 trips
60 change 61 axis hole 70 connecting object 71 clasps 80,80a swivel hook
81,81a coupler body 82,82a anticreep door bolt 83,83a change 84,84a spring
85,85a hook portion 86,86a axle journal 87,87a ring 88,88a bolt handle 90 ribbon
Embodiment
Fig. 3 is the External view that snap hook 10 of the present invention is in blocking, and Fig. 4 is its components broken down phase diagram, and Fig. 5 is its sectional drawing, can for technology contents of the present invention is described.This snap hook 10 includes coupler body 20, anticreep door bolt 30, spring 40, safety lock 50 and change 60.Wherein:
Coupler body 20, comprises the opening 21 that is formed at front end, and as the passage that above-mentioned clasp 71 connects coupler body 20 and takes off from coupler body 20, and one is arranged on inside and the door bolt room 22 that communicates with opening 21, fastens 30 with a bolt or latch in order to receive anticreep.Coupler body 20 also has the axle journal 23 that is formed at opening 21 opposite end, in order to install change 60, and the groove 24 that is formed at side, its effect is waited until aftermentioned, shows for the time being.Again, coupler body 20 comprises one and is arranged on mounting hole 26 below opening 21, and for installation one fastener 25, such as rivet etc., to be articulated with coupler body 20 by anticreep door bolt 30.
Anticreep door bolt 30, be arranged in the door bolt room 22 of coupler body 20, have one with the mounting hole 26 of coupler body 20 pilot hole 32 at same axis, after the front end of above-mentioned fastener 25 is through mounting hole 26 and pilot hole 32, hammered into shape circle with hand hammer or riveting machine to rivet tightly, so, anticreep door bolt 30 is articulated with coupler body 20, making anticreep fasten 30 with a bolt or latch can with fastener 25 for fulcrum and be supported in coupler body 20 and swing.Anticreep door bolt 30 also comprises opening 21 top that a latching arm 31 extends to coupler body 20, the opening and closing opening 21 with the swing along with anticreep door bolt 30.Between the below of latching arm 31 and pilot hole 32, also have a breach 33, this breach 33 and the bottom 27 of opening 21 define a ring 34 closed jointly, so that all linked with one another and reach connection function with above-mentioned clasp 71.Again, anticreep door bolt 30 comprises a chute 35, have a pair locking cave 36 and unlock cave 37 for a pair to be symmetricly set on two limit walls of chute 35 respectively in groove, for safety lock 50 being remained on locking position reconciliation lock-bit.Described chute 35 can be formed at the inside of anticreep door bolt 30 as shown in the figure, but also can result from the surface of anticreep door bolt 30.Anticreep door bolt 30 includes the notch 38 be arranged on outside chute 35 further, and this notch 38 aligns with the groove 24 of coupler body 20, to receive the operating lever 51 of safety lock 50.
Spring 40 is the elastic elements making anticreep fasten 30 automatic resetting original positions with a bolt or latch.One end of this spring 40 heads on and is formed at the empennage 39 that anticreep fastens 30 ends with a bolt or latch, and the other end heads on the inwall of door bolt room 22 and in tensioning state, encloses the top of opening 21 when making latching arm 31 flat with its elastic force of mat.In the examples in the drawings, the Compress Spring that spring 40 adopts compressive force to have an effect, the elastic element of other equivalence also can adopt, not the restriction of spring by compression.
Safety lock 50, the chute 35 being held in anticreep door bolt 30 slides, with fixing, release anticreep door bolt 30.This safety lock 50 comprises an operating lever 51, and a spring hitch 52.Operating lever 51, for finger mobile security lock 50, to be conveniently used for operation anticreep door bolt 30 simultaneously.Spring hitch 52 is one extend the board member inserting chute 35 and slide from the inner side of operating lever 51, and spring hitch 52 is separated in half and has elasticity, simultaneously respectively there is a trip 53 outwardly on both sides, can along with the slip of safety lock 50 with the locking cave 36 in chute 35 or unlock cave 37 and agree with, so, safety lock 50 remained on locking position or separate lock-bit, and then forbidding or allow anticreep to fasten 30 with a bolt or latch being operated.In the examples in the drawings, although trip 53, locking cave 36 and unblock cave 37 are all be symmetrical arranged face-to-face, trip 53, locking cave 36 and also only can be set and unlock cave 37.
Change 60, the axle journal 23 with an axis hole 61 and coupler body 20, for being rotatably assorted, makes change 60 can be incorporated into coupler body 20 and rotate freely around axle journal 23, to connect above-mentioned ribbon 90 or homologue, such as rope, chain etc.
As shown in Figure 5, according to the present invention, when safety lock 50 inwards slides, when making its trip 53 embed locking cave 36, operating lever 51 submerges in the groove 24 of coupler body 20 and the notch 38 of anticreep door bolt 30 simultaneously, stretch into the result of coupler body 20 by this operating lever 51 and breech lock function is created to anticreep door bolt 30, make anticreep fasten 30 with a bolt or latch and remain on blocking, forbid that anticreep door bolt 30 is operated when safety lock 50 is not opened, anticreep door bolt 30 is reduced to minimum by the possibility of malfunction, prevents connected above-mentioned clasp 70 accidental.
As shown in Figure 6, when safety lock 50 slides outward, when making its trip 53 embed unblock cave 37, operating lever 51 also exits groove 24 and notch 38 in the lump, so relieve the breech lock function to anticreep door bolt 30, and allow to operate anticreep door bolt 30 by operating lever 51 or via the recess 28 be formed at above latching arm 31, latching arm 31 outwards swung and leaves the opening 21 of coupler body 20, allowing opening 21 be opened wide and to take off above-mentioned clasp 70.
Certainly, above-described embodiment can some changes in addition under not departing from the scope of the present invention, thus above explanation to comprise and the whole items shown in accompanying drawing should be considered as exemplary, and be not used to limit claim of the present invention.
Claims (4)
1. a snap hook, is characterized in that, comprises:
One coupler body, has an opening, being formed at one end and is arranged at inside and links up the door bolt room of this opening, and the groove that is formed at side;
One anticreep door bolt, be installed on these door bolt indoor and be hinged with this coupler body, it comprises the latching arm that extends to this upper opening portion, and one at least has the chute that a locking cave and unlocks cave, and the below of this latching arm has a breach, the bottom of this breach and opening defines a ring closed, and the outside of this chute forms a notch alignd with this groove;
One spring, is supported between this coupler body and anticreep door bolt, makes this latching arm enclose the top of this opening at ordinary times with its elastic force of mat; And
One safety lock, comprises an operating lever and a spring hitch, and this spring hitch inserts the slide of this anticreep door bolt, and has at least one trip;
When this safety lock slide into this trip embed the position in this locking cave time, this operating lever submerges in this groove and notch, and by this anticreep door bolt remain on blocking; When this safety lock slide into this trip embed the position in this unblock cave time, this operating lever exits this groove and notch, and removes the breech lock function of fastening with a bolt or latch this anticreep, allows this anticreep to fasten with a bolt or latch and is outwards swung by operating, make this latching arm leave the opening of this coupler body, allow this opening be opened wide.
2. snap hook as claimed in claim 1, it is characterized in that, described coupler body comprises again the axle journal that is formed at described opening opposite end, and has the change that a rotation is installed on described axle journal.
3. snap hook as claimed in claim 1, it is characterized in that, described anticreep door bolt comprises a pair unblock cave and a pair locking cave and is symmetricly set on two limit walls of described chute respectively, described spring hitch is extend from the inner side of described operating lever to form, be separated in half simultaneously and have elasticity, described trip is by outwardly being formed from the both sides of described spring hitch.
4. snap hook as claimed in claim 1, is characterized in that, described anticreep door bolt comprises again one and is formed at recess above described latching arm.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129705.4A CN103375532B (en) | 2012-04-27 | 2012-04-27 | Snap hook |
| JP2012151843A JP2013231499A (en) | 2012-04-27 | 2012-07-05 | Safety hook |
| JP2013006508U JP3188608U (en) | 2012-04-27 | 2013-11-14 | Safety hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129705.4A CN103375532B (en) | 2012-04-27 | 2012-04-27 | Snap hook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103375532A CN103375532A (en) | 2013-10-30 |
| CN103375532B true CN103375532B (en) | 2015-07-29 |
Family
ID=49461143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210129705.4A Expired - Fee Related CN103375532B (en) | 2012-04-27 | 2012-04-27 | Snap hook |
Country Status (2)
| Country | Link |
|---|---|
| JP (2) | JP2013231499A (en) |
| CN (1) | CN103375532B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673776B (en) * | 2014-11-19 | 2018-01-16 | 中国航空工业集团公司西安飞机设计研究所 | A kind of cable wire rapid fixing |
| CN108408577A (en) * | 2018-05-17 | 2018-08-17 | 张家港凯斯机械有限公司 | A kind of Steel plate hoisting implement suspension hook with elastic lockable mechanism |
| JP7162316B1 (en) * | 2022-06-02 | 2022-10-28 | 株式会社トップ | Cone Bar and Road Cone Cone Bar Assembly Set |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095797A (en) * | 1993-04-13 | 1994-11-30 | 吉田工业株式会社 | Swivel hook |
| US6237977B1 (en) * | 1999-06-28 | 2001-05-29 | C. Sherman Johnson Co. | Over-center pelican hook |
| DE102004056613A1 (en) * | 2004-11-24 | 2006-06-01 | Hofmeister, Hans | Carabine hook has operating section and locking plate extending in course of external contour on one longitudinal side of carabine hook, and hook section lying between mouth and fastening eye has recessed grips on both broad sides |
| CN201496381U (en) * | 2009-08-11 | 2010-06-02 | 亿丰金属工业股份有限公司 | Structural improvement of safety hook |
| CN202026687U (en) * | 2011-02-25 | 2011-11-09 | 户泽达 | Fastener structure for connection |
| CN202579815U (en) * | 2012-04-27 | 2012-12-05 | 林佩娟 | Safety hook |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0493508U (en) * | 1990-12-28 | 1992-08-13 | ||
| JP3469452B2 (en) * | 1998-02-03 | 2003-11-25 | 株式会社ヤマヒサ | hook |
| JP2000158924A (en) * | 1998-11-30 | 2000-06-13 | Okamoto Ind Inc | Fastening rope connector for tire anti-skid device |
| TW517792U (en) * | 2001-05-04 | 2003-01-11 | Chung Shan Inst Of Science | Fast detaching hook |
| JP3150647U (en) * | 2009-03-06 | 2009-05-28 | ティビーアール株式会社 | NASCAN CONNECTOR |
-
2012
- 2012-04-27 CN CN201210129705.4A patent/CN103375532B/en not_active Expired - Fee Related
- 2012-07-05 JP JP2012151843A patent/JP2013231499A/en active Pending
-
2013
- 2013-11-14 JP JP2013006508U patent/JP3188608U/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095797A (en) * | 1993-04-13 | 1994-11-30 | 吉田工业株式会社 | Swivel hook |
| US6237977B1 (en) * | 1999-06-28 | 2001-05-29 | C. Sherman Johnson Co. | Over-center pelican hook |
| DE102004056613A1 (en) * | 2004-11-24 | 2006-06-01 | Hofmeister, Hans | Carabine hook has operating section and locking plate extending in course of external contour on one longitudinal side of carabine hook, and hook section lying between mouth and fastening eye has recessed grips on both broad sides |
| CN201496381U (en) * | 2009-08-11 | 2010-06-02 | 亿丰金属工业股份有限公司 | Structural improvement of safety hook |
| CN202026687U (en) * | 2011-02-25 | 2011-11-09 | 户泽达 | Fastener structure for connection |
| CN202579815U (en) * | 2012-04-27 | 2012-12-05 | 林佩娟 | Safety hook |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013231499A (en) | 2013-11-14 |
| JP3188608U (en) | 2014-01-30 |
| CN103375532A (en) | 2013-10-30 |
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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: 20150729 Termination date: 20200427 |