CN106014008A

CN106014008A - Combination body of key and U-type lock based on key

Info

Publication number: CN106014008A
Application number: CN201610453721.7A
Authority: CN
Inventors: 陆颂荫
Original assignee: Ningbo Yinzhou Jianjun Machinery Technology Co Ltd
Current assignee: Ningbo Yinzhou Jianjun Machinery Technology Co Ltd
Priority date: 2016-06-21
Filing date: 2016-06-21
Publication date: 2016-10-12

Abstract

The invention discloses a combination body of a key and a U-type lock based on the key. The combination body comprises the key (1) and the U-type lock (2). The U-type lock (2) further comprises an unlocking cylinder (6) arranged at the tail end of a tapered end (5) and coaxial with the tapered end (5). A gap exists between the tail end of the tapered end (5) and the unlocking cylinder (6). Two lock bars (4) are connected with opposite lateral walls of the unlocking cylinder (6) correspondingly. One end of a key body (102) can penetrate through the tapered end (5), is inserted into the unlocking cylinder (6) and drives the unlocking cylinder (6) to rotate so that the two lock bars (4) can move in the opposite directions until the lock bars (4) relieve the limitation with lock grooves (2011) and realize unlocking. The combination body of the key and the U-type lock based on the key has the advantage of being good in safety.

Description

A kind of key and the assembly of U-shape lock based on this key

Technical field

The present invention relates to a kind of key and the assembly of U-shape lock based on this key.

Background technology

Existing U-shape lock, wide variety, one type U-shape lock, its structure is substantially CN such as patent announcement number U-shape lock disclosed in the patent publication of 2471889Y is consistent, and concrete structure includes a U-shape lock bar and a lock body, this lock body Including: a body, its central authorities are provided with a lock core hole extended radially through, and its two ends respectively set a locking bar jack extended radially through, in this Setting one on body and axially connect lock core hole, the loose slot of two locking bar jacks, at the bottom of this loose slot, relative lock core hole both sides set one respectively Storage tank；One lock core, is to be installed in the lock core hole of body, and its keyhole down, and is one can to revolve away from the end of keyhole The connection end turned；One spin-block, is an elongated body, and it is installed in the connection end of body interior lock core, and it is longer by two Opposed end forms plane action plane；Two springs, are to be respectively arranged in two storage tanks of body；Two locking parts, be Elongated block, it is arranged in the loose slot of body relatively spin-block both sides, and its one end abuts spin-block side, and another end stretches into this Locking this u-shaped lock bar of pulling in the locking bar jack of body, this two locking parts bottom surface is respectively equipped with one and stretches into abutting spring in body storage tank Abutting bar；One hollow shell body, its both ends are formed two to should the perforation of body locking bar jack, it is corresponding that bottom forms one The mesopore of this body lock core hole, this hollow shell body is sheathed is fixed on this outer body, by be installed on the lock core of body, spin-block, In spring and locking part are coated on；This u-shaped lock bar, it has the two slotting ends of pulling being inserted in this lock body inside lock lever jack, and these are two years old Inserting end of pulling to form relative lock and pull groove, two locking parts of this lock body plug lock respectively and pull and pull in groove in this two lock.

Analysis said structure understands, and the key in this U-shape lock inserts in the lock core of lockset, after key mates with lock core, By rotating key, lock core drives locking part to move, and releasing locking part coordinates with locking bar jack, reaches the purpose unblanked, In such U-shape lock tool, key needs to reach, with lock core, the purpose that just can reach to unblank that matches, so, by Unlocking gun, The unlocking tool such as steel disc, screwdriver, straight cutting enters keyhole and is easy for stirring lock core rotation, the most just can be by force Lock is opened, causes its theftproof performance poor.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of key and the assembly of U-shape lock based on this key, this group Fit security performance is good.

For solving above-mentioned technical problem, the technical scheme that the present invention provides is: a kind of key and U-shape lock based on this key Assembly, it includes that key and U-shape lock, described key include being flat the shank of the key and key body, described U-shape lock bag Include U-shape lock ring, lock body, two locking bars and tapered end；It is equipped with locked groove on first straight-bar of described U-shape lock ring and the second straight-bar, Described tapered end is arranged on lock body, and described tapered end is provided with the first key body axially offered and inserts hole, and described locking bar is slidably tied in In lock body and realization can be coordinated with when the first straight-bar of U-shape lock ring and the second straight-bar are inserted into lock body time to unblank with locked groove and close Lock；Described key body be cross section be the plates of circular arc, the both sides of the concave surface of these plates are provided with and are distributed along its length Tartar；The pellet assembly matched with tartar it is provided with in described tapered end；Described U-shape lock also includes end and the lock being located at tapered end Head coaxial line open lock；The end of described tapered end and open and be provided with gap between lock, two described locking bars are connected to open The opposing sidewalls of lock；One end of described key body can through tapered end be inserted into open in lock and drive open lock rotation cause two Root locking bar does rightabout and moves until the spacing realization that locking bar releases with locked groove is unblanked.

After using above structure, the present invention compared with prior art, has the advantage that core includes, key Body be cross section be the plates of circular arc, the both sides of the concave surface of these plates are provided with the tartar being distributed along its length；Described The pellet assembly matched with tartar it is provided with in tapered end；Described U-shape lock also includes the end being located at tapered end and tapered end coaxial line Open lock；The end of described tapered end and open and be provided with gap between lock, two described locking bars are connected to open the relative of lock Sidewall；One end of described key body may pass through tapered end be inserted into open in lock and drive open lock rotate cause two locking bars to do phase Opposite direction moves until the spacing realization that locking bar releases with locked groove is unblanked.Understand based on above-mentioned Correlation structure analysis, it is achieved open During lock, the first key body that key body is first inserted into tapered end inserts in the hole, and is matched with tartar by pellet assembly, Final key body is inserted into tapered end end, is inserted into opening in lock, is directly driven by key body and opens lock rotation, by opening The rotation of lock causes two locking bars to do rightabout to move until locking bar releases unblanks with the spacing realization of locked groove, said process In, in key tapered end to be inserted into, also to drive the motion of some associated components arranged, finally can be only achieved and unblank Purpose, so one, for background technology, the more safety of the lockset of the application, the most only by by opening The unlocking tools such as lock rifle, steel disc, screwdriver, stir and even destroy the pellet in lock core, although can be inserted into tapered end smoothly In end, but cannot drive the cooperation of some associated components arranged, it is impossible to reach the purpose unblanked.

Preferred as one, described lock body is provided with the first axis hole for a locking bar sliding fit and joins for another locking bar is sliding The second axis hole closed；Described first axis hole and the second axis hole are through, and described first axis hole and the through place of the second axis hole are provided with for opening Lock axially position circumferentially rotate open lock receiving hole, described in open tapered end installing hole that lock receiving hole and lock body be provided with Axle is through.Illustrate the concrete structure in lock body.

As one preferably, open lock described in and be provided with the second key body insertion hole axially inserted for key body.Pass through Second key body is set and inserts hole, indicate key body and drive and open lock and rotate, be the being inserted into by key body and opening lock Two key bodies insert in the hole, and are just achieved by the rotation of key body and open lock rotation, if so showing the external world inserted Unlocking tool, extraneous unlocking tool termination is too small, self structure insufficient strength, just cannot drive and open lock rotation, if opening Lock cannot rotate, and the most just cannot realize unblanking, thus highlight the safety of the lockset of the application especially.

Preferred as one, described second key body inserts in the hole and is provided with the pellet that the tartar with key body head matches Assembly.It is that the second key body being inserted into by key body and opening lock is inserted in the hole, is just achieved by the rotation of key body and open Lock rotates, if so showing the extraneous unlocking tool inserted, extraneous unlocking tool termination is necessary not only for self Structural strength, after the pellet assembly that simultaneously there is a need for being able to insert in the hole with the second key body matches, so could drive Open lock rotate, otherwise cannot drive open lock rotate, cannot rotate if opening lock, the most just cannot realize unblanking, thus Highlight the safety of the lockset of the application the most further.

Preferred as one, described U-shape lock includes the first connection end, the second connection end and capping stud；One institute The one end stating locking bar is connected with opening lock by the first connection end, and capping stud fixing in the other end and the first axis hole is sliding joins Closing, this locking bar is arranged with back-moving spring, one end of described back-moving spring offsets with the first connection end, the other end and capping spiral shell Post offsets；One end of another described locking bar is connected with opening lock by the second connection end, fixing in the other end and the first axis hole Capping stud sliding fit, this locking bar is arranged with back-moving spring, one end of described back-moving spring offsets with the second connection end, The other end offsets with capping stud.Be conducive to the reset of locking bar.

Preferred as one, described tapered end also includes that housing and lock core body, described first key body insert hole and be opened in In the axial direction of lock core body, described lock core body include the most spaced first paragraph lock core body, second segment lock core body and 3rd section of lock core body, is provided with the first connector and for rotating the bullet of reset between first paragraph lock core body and second segment lock core body Property attachment means, is provided with the second connector and for rotating reset between described second segment lock core body and the 3rd section of lock core body Elastic connecting device；Described elastic connecting device includes the extension spring for connecting adjacent two-phase lock core body, by the one of extension spring End is fixed on the upper alignment pin of the preceding paragraph lock core body and the other end of extension spring is fixed on the lower alignment pin of next section of lock core body, the The arcuate groove for housing extension spring it is equipped with on one connector and the second connector；Described first connector and second segment lock core body Keyhole width the keyhole width that equal separated time B is first paragraph lock core body equal separated time A in the counterclockwise direction Rotating 90 degree, the equal separated time C of the keyhole width of described second connector and the 3rd section of lock core body is first paragraph lock core body The equal separated time A of keyhole width be rotated in the clockwise direction 90 degree；Described second segment lock core body is provided with auxiliary positioning Device, second segment lock core body is provided with the mounting groove vertically run through.Above-mentioned dependency structure shows, key is inserted into tapered end end Also and remarkable, need through following steps, insert a key in the keyhole of lock core body till key body cannot advance； Again key is rotated counterclockwise 90 degree, then key body is continued in the keyhole of the first connector, and continue to insert downwards Enter in the keyhole of second segment lock core body, till key body cannot move on；Finally key is rotated clockwise 90 degree After, key body continues in the keyhole of the second connector, and continue to be downwardly into the 3rd section of lock core body keyhole in, I.e. reach key and be inserted into tapered end end purpose, be inserted into the being difficult to property of tapered end end just because of key, indicate this Shen The difficulty that lockset please is unblanked, illustrates that the safety of the lockset of the application is high.

Accompanying drawing explanation

Fig. 1 is key and the sectional structure schematic diagram of tapered end of the present invention.

Fig. 2 is that the master of the key of the present invention and tapered end regards broken section structural representation.

Fig. 3 is that the master of the first connector of the key of the present invention and tapered end regards broken section structural representation.

Fig. 4 is that the master of the second connector of the key of the present invention and tapered end regards broken section structural representation.

Fig. 5 is the overall structural representation of the present invention.

Fig. 6 is the A-A enlarged diagram of Fig. 5.

Fig. 7 is the overall structure schematic diagram of the key of the present invention.

Shown in figure: 1, key, 101, the shank of the key, 102, key body, 103, tartar, 2, huge lock, 201, U-shape lock ring, 2011, locked groove, the 202, first connection end, the 203, second connection end, 204, capping stud, 3, lock body, the 301, first axis hole, 302, the second axis hole, 303, open lock receiving hole, 304, tapered end installing hole, 4, locking bar, 5, tapered end, the 501, first key body inserts Hole, 502, housing, 503, lock core body, 5031, first paragraph lock core body, the 5032, first connector, 5033, second segment lock core body, 5034, the second connector, 5035, second segment lock core body, 6, open lock, the 601, second key body inserts hole, and 7, back-moving spring, 11, extension spring, 12, upper alignment pin, 13, lower alignment pin.

Detailed description of the invention

The present invention is described in further detail below in conjunction with the accompanying drawings.

As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6 and accompanying drawing 7, one key of the present invention and base In the assembly of the U-shape lock of this key, it includes that key 1 and U-shape lock 2, described key 1 include being flat the shank of the key 101 and key body 102, described U-shape lock 2 includes U-shape lock ring 201,3, two locking bars 4 of lock body and tapered end 5；Described U-shape lock ring Being equipped with locked groove 2011 on first straight-bar of 201 and the second straight-bar, described tapered end 5 is arranged on lock body 3, and described tapered end 5 is provided with The first key body axially offered inserts hole 501, in described locking bar 4 is slidably tied in lock body 3 and can with when the of U-shape lock ring 201 Coordinate realization to unblank with locked groove 2011 time one straight-bar and the second straight-bar are inserted into lock body 3 and shut；Described key body 102 is horizontal Cross section is the plates of circular arc, and the both sides of the concave surface of these plates are provided with the tartar 103 being distributed along its length；Described tapered end The pellet assembly matched with tartar 103 it is provided with in 5；Described U-shape lock 2 also includes the end being located at tapered end 5 and tapered end 5 coaxial line Open lock 6；The end of described tapered end 5 and open and be provided with gap between lock 6, two described locking bars 4 are connected to open lock 6 Opposing sidewalls；One end of described key body 102 may pass through tapered end 5 be inserted into open in lock 6 and drive open lock 6 rotate cause Two locking bars 4 do rightabout and move until the spacing realization that locking bar 4 releases with locked groove 2011 is unblanked.

Described lock body 3 be provided with the first axis hole 301 for locking bar 4 sliding fit and for another locking bar 4 sliding fit the Two axis holes 302；Described first axis hole 301 is through with the second axis hole 302, described first axis hole 301 and the second through place of axis hole 302 Be provided with for open lock 6 axially position circumferentially rotate open lock receiving hole 303, described in open lock receiving hole 303 and set on lock body 3 Some tapered end installing holes 304 are the most through.

The described lock 6 that opens is provided with the second key body insertion hole 601 axially supplying one end of key body 102 to insert.

Described opening is provided with the pellet assembly that the tartar 103 with key body 102 head matches in lock 6.

Described U-shape lock 2 includes first connection end the 202, second connection end 203 and capping stud 204；Lock described in one One end of bar 4 is connected with opening lock 6 by the first connection end 202, capping stud fixing in the other end and the first axis hole 301 204 sliding fits, this locking bar 4 is arranged with back-moving spring 7, and one end of described back-moving spring 7 offsets with the first connection end 202, The other end offsets with capping stud 204；One end of another described locking bar 4 is connected with opening lock 6 by the second connection end 203, Capping stud 204 sliding fit fixing in the other end and the first axis hole 301, this locking bar 4 is arranged with back-moving spring 7, described multiple One end of position spring 7 offsets with the second connection end 203, and the other end offsets with capping stud 204.

Described tapered end 5 also includes that housing 502 and lock core body 503, described first key body insert hole 501 and be opened in lock core In the axial direction of body 503, described lock core body 503 includes that the most spaced first paragraph lock core body 5031, second segment are locked Core body 5033 and the 3rd section of lock core body 5035, be provided with first even between first paragraph lock core body 5031 and second segment lock core body 5033 Junctor 5032 and for rotating the elastic connecting device of reset, described second segment lock core body 5033 and the 3rd section of lock core body 5035 Between be provided with the second connector 5034 and for rotating the elastic connecting device of reset；Described elastic connecting device includes using In connecting the extension spring 11 of adjacent two-phase lock core body, one end of extension spring 11 being fixed on the upper alignment pin 12 of the preceding paragraph lock core body and incites somebody to action The other end of extension spring 11 is fixed on the lower alignment pin 13 of next section of lock core body, on the first connector 5032 and the second connector 5034 It is equipped with the arcuate groove for housing extension spring 11；Described first connector 5032 and the keyhole width of second segment lock core body 5033 The equal separated time A of the keyhole width that equal separated time B is first paragraph lock core body 5031 in direction rotates 90 degree in the counterclockwise direction, The equal separated time C of the keyhole width of described second connector 5034 and the 3rd section of lock core body 5035 is first paragraph lock core body The equal separated time A of the keyhole width of 5031 is rotated in the clockwise direction 90 degree；Described second segment lock core body 5033 is provided with Auxiliary locator, second segment lock core body 5033 is provided with the mounting groove vertically run through.

Below only highly preferred embodiment of the present invention is described, but is not to be construed as limitations on claims.This Invention is not limited only to above example, and all various changes made in the protection domain of independent claims of the present invention are all at this In the protection domain of invention.

Claims

1. key and an assembly based on this key U-shape lock, it includes key (1) and U-shape lock (2), described key (1) bag Include and be flat the shank of the key (101) and key body (102), described U-shape lock (2) include U-shape lock ring (201), lock body (3), Two locking bars (4) and tapered end (5)；It is equipped with locked groove on first straight-bar of described U-shape lock ring (201) and the second straight-bar (2011), described tapered end (5) is arranged on lock body (3), and described tapered end (5) is provided with the first key body axially offered and inserts hole (501), described locking bar (4) is slidably tied in lock body (3) and can insert with the first straight-bar and the second straight-bar when U-shape lock ring (201) Coordinate realization to unblank with locked groove (2011) and shut when entering to lock body (3)；It is characterized in that: described key body (102) is horizontal stroke Cross section is the plates of circular arc, and the both sides of the concave surface of these plates are provided with the tartar (103) being distributed along its length；Described lock It is provided with, in head (5), the pellet assembly matched with tartar (103)；Described U-shape lock (2) also include being located at the end of tapered end (5) with Tapered end (5) coaxial line open lock (6)；The end of described tapered end (5) and open and be provided with gap between lock (6), two described locks Bar (4) is connected to open the opposing sidewalls of lock (6)；One end of described key body (102) can pass tapered end (5) and be inserted into and open In lock (6) and drive and open lock (6) and rotate and cause two locking bars (4) to do rightabout to move until locking bar (4) releases and locks The spacing realization of groove (2011) is unblanked.

A kind of key the most according to claim 1 and assembly based on this key U-shape lock, it is characterised in that: described lock Body (3) is provided with the first axis hole (301) for a locking bar (4) sliding fit and the second axis hole for another locking bar (4) sliding fit (302)；Described first axis hole (301) is through with the second axis hole (302), and described first axis hole (301) is passed through with the second axis hole (302) Logical place is provided with and opens lock receiving hole (303) for open that lock (6) axially location circumferentially rotates, described in open lock receiving hole (303) The most through with the tapered end installing hole (304) that lock body (3) is provided with.

A kind of key the most according to claim 2 and assembly based on this key U-shape lock, it is characterised in that open described in: Lock (6) is provided with the second key body axially inserted for one end of key body (102) and inserts hole (601).

A kind of key the most according to claim 3 and assembly based on this key U-shape lock, it is characterised in that open described in: Lock (6) is provided with the pellet assembly that the tartar (103) with key body (102) head matches.

A kind of key the most according to claim 4 and assembly based on this key U-shape lock, it is characterised in that: described U-shaped Lock (2) includes the first connection end (202), the second connection end (203) and capping stud (204)；Locking bar described in one (4) One end is connected with opening lock (6) by the first connection end (202), capping spiral shell fixing in the other end and the first axis hole (301) Post (204) sliding fit, this locking bar (4) is arranged with back-moving spring (7), and one end of described back-moving spring (7) is connected end with first Head (202) offsets, and the other end offsets with capping stud (204)；The second connection end is passed through in one end of another described locking bar (4) (203) with open lock (6) and be connected, capping stud (204) sliding fit fixing in the other end and the first axis hole (301), this locking bar (4) being arranged with back-moving spring (7) on, one end of described back-moving spring (7) offsets with the second connection end (203), the other end with Capping stud (204) offsets.

A kind of key the most according to claim 1 and assembly based on this key U-shape lock, it is characterised in that: described lock Head (5) also includes that housing (502) and lock core body (503), described first key body insert hole (501) and be opened in lock core body (503) in axial direction, described lock core body (503) include the most spaced first paragraph lock core body (5031), second Section lock core body (5033) and the 3rd section of lock core body (5035), between first paragraph lock core body (5031) and second segment lock core body (5033) Be provided with the first connector (5032) and for rotating the elastic connecting device of reset, described second segment lock core body (5033) and The second connector (5034) it is provided with and for rotating the elastic connecting device of reset between 3rd section of lock core body (5035)；Described Elastic connecting device include the extension spring (11) for connecting adjacent two-phase lock core body, one end of extension spring (11) be fixed on upper one The upper alignment pin (12) of section lock core body and the other end of extension spring (11) is fixed on the lower alignment pin (13) of next section of lock core body, the It is equipped with the arcuate groove for housing extension spring (11) on one connector (5032) and the second connector (5034)；Described first connects The key that equal separated time B is first paragraph lock core body (5031) of the keyhole width of body (5032) and second segment lock core body (5033) The equal separated time A of keyhole width rotates 90 degree in the counterclockwise direction, described second connector (5034) and the 3rd section of lock core body (5035) the equal separated time A of the keyhole width that equal separated time C is first paragraph lock core body (5031) of keyhole width It is rotated in the clockwise direction 90 degree；Described second segment lock core body (5033) is provided with auxiliary locator, second segment lock core body (5033) mounting groove vertically run through it is provided with on.