Summary of the invention
The object of the invention is to, the fold latch of the described type of beginning is improved, make, when lock body and the connection of the torsion proof between the frame bulk-breaking of one end are kept, to improve security reliability.
According to the present invention, with regard to the fold latch of type described in the beginning part, this object realizes in the following way, namely, in lock body, settle a frame installed part rotationally around its longitudinal axis, this installed part has point piece bores of the frame bulk-breaking for being positioned at the other end.
The advantage of fold latch of the present invention is, radially will not be inserted in pin-and-hole around the rotating lock pin of lock body longitudinal axis, but the free end of the frame bulk-breaking being arranged in the other end directly can be inserted into this point of piece bores and be fixed on there, so this point of piece bores by the frame bulk-breaking being positioned at the other end that inserts block, and possible lock pincers (Schlossknacker) can not get at this this point of piece bores.Therefore can save the lock pin that footpath protrudes upward, and the frame bulk-breaking being positioned at the other end has a kind of simple structure, the parts that this structure is not stretched out, a part for user or in the application bicycle can hang on these parts stretched out.In addition for user, operation has been simplified, or be at least not difficult for, because this lock body remains unchanged relative to the direction of the frame bulk-breaking being positioned at one end, and when user grips the lock body of this shelf lock or is positioned at the frame bulk-breaking of one end, also the skin of his finger can not be clamped, this is because eliminate lock body relative to the rotation of the frame bulk-breaking being positioned at one end.This installed part is used as the supporting body of point piece bores as the component separated with lock body of fold latch; and on corresponding side, lock body is closed; the lock core be arranged in lock body is made to have also been obtained protection thus; because frame installed part has firm structure as the supporting body of point piece bores, and has served a kind of protective effect.
Within the scope of the invention preferably, in lock body, be configured with cross section contraction structure, and frame installed part is guided on this cross section contraction structure with garter spring outwardly.This design provides a kind of simple mount scheme, and guarantee that frame installed part can not be pullled out from lock body, that is guarantee that the associated side of lock body is closed enduringly by frame installed part.In addition, the guiding of frame installed part being improved, because provide not only the axial surface for guiding, and providing the radial surface for guiding.Shown advantageously in addition, frame installed part is set to alms bowl shape, and has at the bottom of solid alms bowl especially, has blocked the path arriving frame installed part inside at the bottom of this alms bowl.
The possible scheme existed within the scope of the invention is, the anglec of rotation for frame installed part at least comprises 90 °, and the final position of point piece bores is parallel to the frame bulk-breaking being positioned at one end.Adopt this design scheme can meet following requirement: for the state folded and the state mutually launched, the free end being positioned at the frame bulk-breaking of the other end can be caused lock body by band in the radial direction from the difference of two differences 90 °.But because frame bulk-breaking is hinged, therefore can allow user's free operant on the direction that frame bulk-breaking launches by mutually, therefore according to a kind of design scheme, the anglec of rotation of frame installed part at least comprises 180 °, and the centre position of point piece bores is parallel to the frame bulk-breaking being positioned at one end, in this case, the operation degree of freedom of user is unrestricted.The natural same possible scheme existed is that frame installed part is free to rotate, that is frame installed part also can around the longitudinal axis of lock body repeatedly.
Particularly preferably be within the scope of the invention, fuse is provided with in frame installed part, this fuse has for the perforate by the adjustable lock bolt of lock core and the fuse perforate of aliging with point piece bores, and the perforate for lock bolt is alignd with the latch hole being positioned at the frame bulk-breaking of the other end be inserted in point piece bores.Fuse can improve the security reliability of this fold latch.People had both improved the guiding performance of the free end of the frame bulk-breaking being positioned at the other end, also improved the guiding performance of the lock bolt of lock core.It is advantageous that fuse is fixed in frame installed part by pin in the simplification assembling of fold latch.The possible scheme that this design provides is, is inserted into by fuse in frame installed part, and is fixed on there by pin, is then pushed this installed part one end from lock body, until garter spring rests on cross section contraction structure.Therefore the remainder of lock body prepares to be used for installing (Aufnahme) this lock core, this lock core must be inserted into lock body from the direction identical with frame installed part, that is only have lock body aperture to be used to assembling, this aperture will be blocked after carried out complete assembling, wherein after this lock core of insertion, the end opposed with frame installed part of lock body can be closed by the cover piece be preferably fixed on inner periphery.
In addition advantageously, this lock body is cylindrical, and this lock bolt can be transposed along cylinder axis, because based on produced symmetry, this lock bolt always passes latch hole in same position, and has nothing to do with the position of rotation of frame installed part.
Self-evident, the possible scheme existed within the scope of the invention is, the frame bulk-breaking being positioned at one end is not only fixed un-rotatably relative to lock body, and inseparable turning up the soil is connected with lock body, thus can save following attainable selection scheme: also regulate lock bolt by lock core, this lock bolt can discharge the frame bulk-breaking being positioned at one end.
The scheme of structural safety reliability improving this fold latch is, is configured with the bag groove of the end of the frame bulk-breaking for being positioned at one end in lock core, and under confined state, bag groove is positioned in the side of cover piece in lock body.In this design scheme, the bag groove of free end on cover piece side being arranged in the frame bulk-breaking of one end passes lock body, and therefore this free end can improve the security reliability prevented by prying open as secondary cover piece.
The beneficial manner that lock bolt is connected with lock core is: be provided with L shape bar as the male part between lock bolt and the radial lock of lock core, because the percussion be applied to vertically on lock body can be made to be reduced by this.As alternative, the possible scheme also existed is, the male part between lock bolt and the lock of axis is by forming at the control panel (Steuerscheibe) of the upper guiding of shaped form control structure (Steuerkurve).
In addition preferred scheme is that fuse is connected with lock within the scope of the invention, and particularly this fuse has the recessed collar in side, and the security bar with the lock core of point shell is stuck in after described collar.This design scheme can realize simplifying assembling, because fuse can be combined as a unit that can be assembled with lock core, producing another advantage is thus, point shell security bar being stuck in the collar back of fuse is located by frame installed part, that is this installed part is used for being formed in the connection between lock core and fuse enduringly.In addition because the connection between frame installed part and fuse is realized by pin, so produce a compact structure unit, this element of construction can be inserted into this lock body from the side of lock body, until garter spring rests on cross section contraction structure.Then by an other pin acted between lock core and lock body, this position can be made to be permanently fixed.After this free end of the frame bulk-breaking being arranged in one end is inserted into the bag groove of lock core, and fixes this position, to terminate this erection work by the installation of cover piece subsequently.
Favourable scheme is, this installed part is made up of the steel hardened, and in the wall portion of frame installed part, be configured with complementary point piece bores over the ground with point piece bores positive of frame installed part, that is the free end of the frame bulk-breaking being positioned at the other end also can be passed completely through by frame installed part, and can guide in point piece bores of this complementation.So also can avoid following situation, namely when lock bolt should be inserted in latch hole, the free end being positioned at the frame bulk-breaking of the other end is crooked relative to frame installed part.
Detailed description of the invention
Fold latch 1 has been shown in Fig. 1, and it has lock body 3 and folding stand (Faltb ü gel) 4, and this lock body comprises lock core (Schlie β werk) 2.Folding stand 4 is made up of multiple frame bulk-breaking 5 be hinged, and the frame bulk-breaking 6 being wherein positioned at one end is rotatably connected with lock body 3 is antitorque, and is connected enduringly with it in the embodiment shown.In lock body 3, be mounted with frame installed part (B ü gelaufnahmetseil) 9 rotationally around its longitudinal axis, this installed part has point piece bores (Segmentaufnahme) 10 of the frame bulk-breaking 7 for being positioned at the other end.According to illustrated embodiment, in frame installed part 9, just relatively be configured with complementary point piece bores 27 with point piece bores 10, and this installed part 9 is free to rotate relative to lock body 3, and the basic function of fold latch 1 can not be influenced when swing is defined to 90 ° or 180 °.
In lock body 3, be configured with cross section contraction structure 11, the frame installed part 9 of alms bowl shape structure utilizes outwardly directed garter spring 12 to guide on this cross section contraction structure.The fuse 13 as strengthening structure is provided with in frame installed part 9, this fuse has for the perforate 16 by lock core 3 lock bolt 15 to be transposed, and this perforate is alignd with the latch hole (Riegelaufnahme) 14 being positioned at the frame bulk-breaking 7 of the other end be inserted in point piece bores 10.In addition, fuse 13 has the fuse perforate 28 of aliging with point piece bores 10, and the free end being arranged in the frame bulk-breaking 7 of the other end can be inserted into this fuse perforate.
Fuse 13 is connected with lock 21, or rather, in the embodiment shown, fuse 13 has the recessed collar in side (Kragen) 24, the security bar 25 with the lock core 2 of point shell 26 is stuck on this collar, and wherein the security bar 25 blocked in collar 24 back of fuse 13 of this point of shell 26 to be fixed position by frame installed part 9.Therefore, when assembling this fold latch 1, can utilize security bar 25 that a point shell 26 for lock core 2 is connected with fuse 13, and the structure utilizing the frame installed part 9 of overlap joint fuse 13 and security bar 25 to make this assemble is fixed.Then utilize pin 17 that fuse 13 is fixed relative to frame installed part 9, thus the element of construction formed can be inserted in this lock body, until garter spring 12 rests on cross section contraction structure 11 from Fig. 1 in the right perforate of lock body 3.Then by another pin, lock core 2 is fixed relative to lock body 3.Lock core 2 also has bag groove 19, the described free end being arranged in the frame bulk-breaking 6 of one end can be inserted into this bag of groove, wherein bag groove 19 in lock body 3 at a distance of its edge certain distance, thus after the free end of the frame bulk-breaking 6 being arranged in one end has also been fixed on bag groove 19 by pin if desired, cover piece 18 can be inserted into and be fixed on enduringly in lock body 3.
In addition can find out, lock body 3 is cylindrical, and lock bolt 15 can be transposed along cylinder axis.
Fig. 1-6 shows some embodiments, wherein lock bolt 15 and lock core 2 radial direction towards lock (Schlie β zylinde) 21 between male part realize by L shape bar 20; Embodiment according to describing in the figure 7: fold latch 1 to have in lock body 3 axially towards lock 21, the male part wherein between lock bolt 15 and lock 21 is made up of the control panel 23 of guiding in shaped form control structure 22.
Reference numerals list
1 fold latch
2 lock cores
3 lock bodies
4 folding stands
5 frame bulk-breakings
The 6 frame bulk-breakings being positioned at one end
The 7 frame bulk-breakings being positioned at the other end
8 longitudinal axis/cylinder axis
9 frame installed parts
10 points of piece bores
11 cross section contraction structures
12 garter springs
13 fuses
14 latch hole
15 lock bolts
16 perforates
17 pins
18 cover pieces
19 bags of grooves
Article 20,
21 locks
22 shaped form control structures
23 control panels
24 collars
25 security bar
26 points of shells
Point piece bores of 27 complementations
28 fuse perforates