CN1818308A - Safety buckle device - Google Patents

Abstract

A lock device comprises a lock cover and lock body both of upper and nether lock room; a lock hook fixed in the upper room with the bent hook at the bottom; an eccentric lock base which is fixed to the nether room in the middle and face to the hook, and is of two arms at two ends; a spring shaft which is inserted through holes on two arms with two ends fixed to seizure holes on the top of two arms; an eccentric lock which is linked to the spring shaft in the middle and cling against to the lock base and face to the hook.

Description

Safety buckle device

Technical field

The present invention relates to a kind of safety buckle device, be used for being fastened between the case lid in lid and for example that various instructions for uses are the harsh tool box of body and the casing belonged to the lockset applied technical field.

Background technology

Chinese invention patent publication number CN1573002A discloses the tool box rotating lock technical scheme by U.S. Reaton Corp. application, and it is the improvement that proposes according to the drawback on the existing tool box that can't be applied to the instructions for use strictness of U.S. Patent number US6502871 (issue on January 7th, 2003), US6454321 (issue on September 24th, 2002), US5884948 (issue on March 23rd, 1999).Core is the impacting pin by horizontal spreading on the lid in tool box be meshed with locking devicen (cooperation), the key that the lock core member is rotated is able to insert the handle from the front portion of bolt lock mechanism, and the tool box is fastened use locking, to prevent that locking bar from unclamping impacting pin, ensure the locking effect.This scheme has only been paid attention to the solid effect of door bolt of lockset itself, but attaches undue importance to one thing to the neglect of the other to some extent for the obturation effect under lock-out state between case lid and the casing; Under locking states, especially under the tool box was in the state of guiding and supporting, owing to only depend on the rotating lock structure as a whole between case lid and the casing, the load of rotating lock often was easy to cause damage greatly; The binding site of whole lockset and casing, case lid (face) is too narrow and small, and stress is concentrated, the anxiety that exists lockset and casing or case lid to be separated and to come off; Overall structure is comparatively complicated.

Chinese patent notice of authorization CN2258219Y, CN2758032Y, CN2705278Y disclose tool box, the tool box fastener structures that name is called lockset for tool box, has buckle structure respectively, though these patented technology schemes are directed to prior art achievement is arranged respectively, for example CN2258219Y utilizes opening/closing so that the push and block body can move freely or locatees of number wheel, with the control panel button could switching effect, control locking, unblank thereby reach, have certain antitheft effect in number wheel check mark mode; And for example the mentality of designing of CN2758032Y and CN2705278Y is roughly similar, and the contacting piece structure has been carried out reasonable improvement.But above-mentioned patent is still all deposited the applicant in four shortcomings mentioned to CN1573002A.

More and more paid close attention to for the case lid in tool box and casing between the two seal (lip closes effect) under lock-out state by people, otherwise not only can under stand-by state, make moisture attack instrument in the case, and must extraordinarily severely protect for the environment of rain, snow, mist and so on.As if people are painstakingly not fastidious for the anti-theft effect whether lockset on the tool box has excellence at present, replace can make often lockset muchly with the tool box reliable connection, unlikely branch takes off and uses and increase the service life and simple in structure and unlatching/locking is convenient, fast.

In sum, for the lockset of the various structures on the tool box or claim the exploitation of locker, if the few star of examination person morning is made inquiries and repaid in China domestic enterprise, and for example above mentioned four pieces of patents also are almost import parts by the product that the U.S. and TaiWan, China application, especially existing market are seen in respectively.

Summary of the invention

Task of the present invention is will provide a kind of can guarantee between casing and the case lid to embody excellent lid and join obturation effect, long service life, simple in structure, unlatching/locking safety buckle device easily.

Task of the present invention is finished like this, a kind of safety buckle device, and it comprises that a pair of being respectively applied for is configured to lid and casing is that get on and upper and lower lock housing 1,2 that distinguish the upper and lower lock shell cavity 11,21 of tool; Latch hook 5 on one, are fixedly arranged in the upper lock shell cavity 11, and the lower end has been bent into a buckling parts 51; One eccentric lock 4, the middle part is fixedly arranged in the lower lock shell cavity 21, and corresponding with last latch hook 5, and both sides have been bent into a pair of arm 41; One spring shaft 6, middle part are located on the square on the lower side through hole 411 of described a pair of arm 41, and two ends card after passing through through hole 411 is set in the square on the upper side block hole 412 of arm 41; One eccentric lock 3 is hinged in the middle part of described spring shaft 6, corresponding to and can post on the eccentric lock 4, with the described buckling parts 51 of going up latch hook 5 mutually hook join.

Eccentric lock 3 of the present invention comprises the following latch hook 31 of a tool cam pin slotted eye 312, and the upper end of this time latch hook 31 has been bent into the portion of amounting to 311, and this is amounted to portion 311 and joins towards described buckling parts 51 and mutual hook; The following lock hook seat 32 in one tool eccentric disc hole 321, hub setting is on spring shaft 6, two lateral bendings of following lock hook seat 32 are converted into a pair of sliding tray 323 that insert for described down latch hook 31 and can upper and lower slip that is used for, and the lower end of following lock hook seat 32 is curled into one and is used for and the spring shaft 6 middle parts pivot spring axis hole 322 of joining mutually; One is used to be configured to down the pedestal 35 at 321 positions, eccentric disc hole on the lock hook seat 32,35 sides towards eccentric disc hole 321 of this pedestal are concaved with a cavity volume 354, the bottom of cavity volume 354 offers one first eccentric pin-and-hole 351 respectively and has extended a pivot post 353, and is formed with a pair of locating slot 352 on the chamber wall of cavity volume 354; Integrally be contained in the reed 34 in the cavity volume 354, the a pair of reed pin 341 of tool, a pair of locating hole 342, first pivot post hole 343 and the eccentric orfice 344, a pair of reed pin 341 is located on the described a pair of locating slot 352, the first pivot post hole 343 is nested with on pivot post 353, and eccentric orfice 344 is corresponding to the first eccentric pin-and-hole 351; One eccentric disc 33, be stacked and placed on the pedestal 35, and integrally be arranged in eccentric disc hole 321, the tool second eccentric pin-and-hole 331, the second pivot post hole 333 and a pair of reed are located bead 332 respectively, the second eccentric pin-and-hole 331 is corresponding with the first eccentric pin-and-hole 351, the second pivot post hole 333 is sheathed on the pivot post 353, and a pair of reed location bead 332 is stretched respectively and placed a pair of locating hole 342; One knob 36, a pair of angle 361 of tool, a pair of angle 361 hub settings are on a pair of locating slot 352; One cam pin 37 passed through in cam pin slotted eye 312, the second eccentric pin-and-hole 331, the eccentric orfice 344 back injection first eccentric pin-and-hole 351 in regular turn.

The shape of buckling parts 51 of the present invention is L-shaped haply.

Shape of amounting to portion 311 of the present invention is L-shaped haply.

Cam pin slotted eye 312 of the present invention is oval slotted eye.

One of advantage of the present invention, can be interlocked by the buckling parts 51 on portion of amounting on the following latch hook 31 of eccentric lock 3 311 and the last latch hook 5, and under the turn of knob 36, upper and lower latch hook 5,31 is interacted, to form the ultimate attainment close effect of covering between case lid and the casing, thereby can make the instrument in the casing avoid the moisture invasion and attack and prevent the interior harm that constitute instrument of intrusion casings such as rainwater, fog; Two, by cooperating of last latch hook 5 and following latch hook 31, can make the bond sites of safety buckle device of the present invention between casing and case lid obtain enlarging, help protecting the application life of whole locker; On/Off rapid operation, convenience, and simple in structure.

Description of drawings

Accompanying drawing is a preferred embodiment structure chart of the present invention.

The specific embodiment

The embodiment that bears below will help to understand essence of the present invention more, but embodiment should not be considered as constituting the restriction to technical solution of the present invention.

In the accompanying drawings, the applicant also shows casing 71 and the case lid 72 that constitutes tool box 7, as the use carrier of safety buckle device of the present invention.The material of going up lock housing 1 of the present invention is preferably metal, be shaped by the pressing equipment punching out, when punching out, upper lock shell cavity 11 and installing hole 12 form on the lock housing 1 thereupon, installing hole 12 is to be used for last lock housing 1 is fixed to case lid 72, specifically realizes by rivet or other similar mode.Last latch hook 5 can certainly will be gone up latch hook 5 in the mode of welding and will be welded in the latch hook chamber 11 by the middle part of rivet rivet clasp in upper lock shell cavity 11.Lock 5 lower end be bent into one L shaped or claim semicircular buckling parts 51, this buckling parts 51 can with the portion of amounting to 311 effect of cooperatively interacting on the following following latch hook 31 that will mention.

The material of lock housing 2 down of the present invention and the material of last lock housing 1 are homogeneity, promptly preferably adopt metal, similarly are shaped by pressing equipment, and when being shaped, lower lock shell cavity 21 and fixing hole 22 are shaped thereupon, and fixing hole 22 is used for fixing with casing 71.The middle part of eccentric lock 4 is with rivet 42 and lower lock shell cavity 21 rivet clasp mutually, perhaps with the mode solid welding of welding, and position between the position of whole eccentric lock 4 also occupy among the lower lock shell cavity 21, and corresponding with last latch hook 5.See that by figure the both sides of eccentric lock 4 have been bent into a pair of arm 41 with being vertical topography substantially, offer block hole 412 and through hole 411 respectively at the upper and lower position of a pair of arm 41.Intert on through hole 411 at the middle part of described spring shaft 6, and the spring pin 62 at spring shaft 6 two ends is forming more than one at least spiral coil 61 back injection in block hole 412.

As eccentric lock 3 of the present invention, offer an oval-shaped cam pin slotted eye 312 that is horizontal form with horizontal direction or title on its included following latch hook 31, the flute length of this cam pin slotted eye 312 or the title groove width of cloth are the mobile ranges of cam pin 37, with the position shown in scheming is example, when cam pin 37 is mobile from left to right, so just make down latch hook 31 descending by it, on the contrary then up.The central authorities of following lock hook seat 32 are eccentric disc hole 321, be used for for eccentric disc 33 hold and round the motion of this hole, the both sides of following lock hook seat 32 are bent into the sliding tray 323 of a pair of U-shaped in general respectively, described latch hook 31 down is plugged on the sliding tray 323.Obvious, the effect that a pair of sliding tray 323 played is to be used for providing upper and lower mobile gathering sill for following latch hook 31, and the spring axis hole 322 that is curled into of lock hook seat 32 bottoms is the middle parts that are used for being arranged in described spring shaft 6 down.In order to ensure that the following lock hook seat 32 behind the latch hook 31 is posted on the eccentric lock 4 under plugging, therefore, the distance that eccentric lock 4 both sides bend between a pair of arm 41 that forms should be guaranteed and can not bring restriction to the activity of following lock hook seat 32.

Pedestal 35 as eccentric disc lock 3 has a cavity volume 354, and the diapire of cavity volume 354 (portion) offers the first eccentric pin-and-hole 351 respectively and extended pivot post 353, and offers a pair of locating slot 352 on the cavity of cavity volume 354.When pedestal 35 is configured to the position in eccentric disc hole 321, just impose lid and cover by 35 pairs of eccentric disc holes 321 of pedestal, promptly be close on the wall body around the eccentric disc hole 321 by the chamber wall of the cavity volume 354 of pedestal 35.Reed 34 be by a pair of reed pin 341 on it be seated on a pair of locating slot 352 and by the first pivot post hole 343 on it be nested with realize on the pivot post 353 integrally contained in the cavity volume 354 of pedestal 35.And eccentric disc 33 is the accent positions that are stacked in cavity volume 354, the a pair of spring location bead 332 of eccentric disc 33 is stretched the location that places a pair of locating hole 342 to realize reed 34, and the second pivot post hole 333 of eccentric disc 33 also is nested with on pivot post 353, at this moment, the second eccentric pin-and-hole 331 of eccentric disc 33 coincides with eccentric orfice 344, whole eccentric disc 33 can be suitable/contraryly is located in the eccentric disc hole 321 rotatably, and touch pasting mutually with the surface of following latch hook 31 corresponding to eccentric slotted eye 312 positions.One end of cam pin 37 promptly constitutes the portion 371 that establishes that expands with the left end of position shown in scheming, when cam pin 37 narrow contract part be the right-hand member of cam pin 37 pass through in regular turn through cam pin slotted eye 312, the second eccentric pin-and-hole 331, eccentric orfice 344 until pass through and and passed through the first eccentric pin-and-hole 351 after, with its end and pedestal 35 rivet clasps.Knob 36 preferably is processed into dish, by thereon a pair of angle 361 and on the locating slot 352 of the pedestal 35 that is pivoted.Like this, when suitable/during contrary turn knob 36, just can make pedestal 35 suitable/contrary rotations by knob 36, reed 34, eccentric disc 33 are with revolving, thereby make cam pin 37 do left and right displacement along cam pin slotted eye 312, finally make down hook plate 31 do upper and lower slip, embody whether hooking together of upper and lower latch hook 5,31 along sliding tray 323.

The applicant is depicted as example summary use of the present invention with accompanying drawing, know by figure is apparent, because each component of eccentric lock 3 mainly are by cam pin 37 they organically to be linked as a whole, and the structure of eccentric lock 3 and eccentric lock 4 links and is to embody to spring shaft 6 by spring axis hole 322 hub settings of time lock hook seat 32 lower ends, and the locking/unlocking of upper and lower latch hook 5,31 is that fastening/separate by buckling parts 51 and the portion of amounting to 311 reaches.Therefore, suppose that case lid 72 and casing 71 are in locked state by safety buckle device of the present invention and will execute when unblanking, so, as long as will before paste 90 ° of the knob 36 that touches on pedestal 35 exhibitions of upwards pulling with hand, the exhibition of promptly pulling is extremely at present by approximate state shown in the drawings, make knob 36 about 180 ° then to the counter clockwise direction turn, in this process, order about pedestal 35 by a pair of angle 361 of knob 36 and rotate identical about 180 ° angle to counter clockwise direction, because reed 34, eccentric disc 33 is to be nested with on pivot post 353 with the form that overlaps each other, and a pair of reed of eccentric disc 33 location bead 332 is to be positioned in a pair of locating hole 342 of reed 34, therefore, when pedestal 35 rotations, reed 34, eccentric disc 33 rotates thereupon.Again since cam pin 37 after passing through cam pin slotted eye 312, the second eccentric pin-and-hole 331, eccentric orfice 344 successively, pass through and and passed through in the first eccentric pin-and-hole 351 of pedestal 35, and the rivet clasp of formation and pedestal 35 relation, the alleged here cam pin 37 and the rivet clasp of pedestal 35 are meant that the right-hand member end (with the accompanying drawing position) of cam pin 37 is in the riveted joint of passing through between the first eccentric pin-and-hole 351 back formations and the pedestal 35.So, in the rotary course of aforesaid corresponding component, cam pin 37 just is displaced to right-hand member gradually from the left end of cam pin slotted eye 312, and then in the middle of right-hand member is moved to, the whole displacement process of cam pin 37 is processes that eccentric disc 33 rotates in eccentric disc hole 321, descend latch hook 31 along the process of moving on a pair of sliding tray 323 especially, and after moving on the following latch hook 31, just lose its previous portion of amounting to 311 and the mutual button between the buckling parts 51 or claimed mutual hook or the title interlocked relationship, at this moment, an outline outwards spurs rotation knob 36 with the application of force, and making down lock hook seat 32 is that pendulum is outwards faced upward in the axle center with spring shaft 6, promptly withdraw in eccentric lock 4, the case lid 72 of this moment just can be opened.The action of locking is just with aforementioned opposite, before this slightly with to rotation knob 36 application of forces or directly to pedestal 35 application of forces, promptly promote knob 36 or pedestal 35, lock hook seat 32 is withdrawn in the state of eccentric lock 4 by previous layback become the state that contacts on the eccentric lock 4 that pastes, and, the interaction energy of the effect of the spiral coil 61 of spring shaft 6 two ends and spring pin 62 is close to effect on the eccentric lock 4 because reaching lock hook seat 32, amount to portion 311 under the state at this moment just in time corresponding to the top of buckling parts, along with clockwise direction turn knob 36 is done 180 ° revolution, cam pin 37 is just from the original centre position that occupy cam pin slotted eye 312 displacement to the right, and then be moved to the limit left, and the following latch hook 31 of this moment is displaced downwardly to the limit just, make down the portion of amounting to 311 of latch hook 31 arrive ultimate attainment degree, reach excellent airtight degree between case lid 72 and the casing 71 with buckling parts 51 mutual fasteners.At last knob 36 is stirred 90 ° up or down, make it abut in down lock hook seat 32 or abut on a pair of arm 41.

Claims (5)

1, a kind of safety buckle device is characterized in that it comprises that a pair of being respectively applied for is configured to that lid and casing get on and distinguishes the upper and lower lock shell cavity of tool (11), the upper and lower lock housing (1) of (21), (2); Latch hook on one (5) is fixedly arranged in the upper lock shell cavity (11), and the lower end has been bent into a buckling parts (51); One eccentric lock (4), the middle part is fixedly arranged in the lower lock shell cavity (21), and corresponding with last latch hook (5), and both sides have been bent into a pair of arm (41); One spring shaft (6), middle part are located on the square on the lower side through hole (411) of described a pair of arm (41), and two ends card after passing through through hole (411) is set in the square on the upper side block hole (412) of arm (41); One eccentric lock (3). be hinged in the middle part of described spring shaft (6), corresponding to and can post on the eccentric lock (4), with the described buckling parts (51) of going up latch hook (5) mutually hook join.

2, safety buckle device according to claim 1, it is characterized in that described eccentric lock (3) comprises the following latch hook (31) of a tool cam pin slotted eye (312), the upper end of this time latch hook (31) has been bent into the portion of amounting to (311), and this is amounted to portion (311) and joins towards described buckling parts (51) and mutual hook; The following lock hook seat (32) in one tool eccentric disc hole (321), hub setting is on spring shaft (6), two lateral bendings of following lock hook seat (32) are converted into a pair of be used for inserting for described down latch hook (31) and sliding tray (323) that can upper and lower slip, the lower end of following lock hook seat (32) be curled into one be used for spring shaft (6) in the middle part of the pivot spring axis hole (322) of joining mutually; One is used to be configured to down the pedestal (35) at the position, eccentric disc hole (321) on the lock hook seat (32), this pedestal (35) be concaved with a cavity volume (354) towards the side of eccentric disc hole (321), the bottom of cavity volume (354) offers one first eccentric pin-and-hole (351) respectively and has extended a pivot post (353), and is formed with a pair of locating slot (352) on the chamber wall of cavity volume (354); Integrally be contained in the reed (34) in the cavity volume (354), the a pair of reed pin of tool (341), a pair of locating hole (342), the first pivot post hole (343) and eccentric orfice (344), a pair of reed pin (341) is located on the described a pair of locating slot (352), the first pivot post hole (343) is nested with on pivot post (353), and eccentric orfice (344) is corresponding to the first eccentric pin-and-hole (351); One eccentric disc (33), be stacked and placed on the pedestal (35), and integrally be arranged in eccentric disc hole (321), the tool second eccentric pin-and-hole (331), the second pivot post hole (333) and a pair of reed are located bead (332) respectively, the second eccentric pin-and-hole (331) is corresponding with the first eccentric pin-and-hole (351), the second pivot post hole (333) is sheathed on the pivot post (353), and a pair of reed location bead (332) is stretched respectively and placed a pair of locating hole (342); One knob (36), a pair of angle of tool (361), a pair of angle (361) hub setting is on a pair of locating slot (352); One cam pin (37) passed through in cam pin slotted eye (312), the second eccentric pin-and-hole (331), eccentric orfice (344) the back injection first eccentric pin-and-hole (351) in regular turn.

3, safety buckle device according to claim 1 and 2 is characterized in that the shape of described buckling parts (51) is L-shaped haply.

4, safety buckle device according to claim 2 is characterized in that described shape of amounting to portion (311) is L-shaped haply.

5, safety buckle device according to claim 2 is characterized in that described cam pin slotted eye (312) is oval slotted eye.

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