CN203755823U - Novel lock head - Google Patents

Novel lock head Download PDF

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Publication number
CN203755823U
CN203755823U CN201420133817.1U CN201420133817U CN203755823U CN 203755823 U CN203755823 U CN 203755823U CN 201420133817 U CN201420133817 U CN 201420133817U CN 203755823 U CN203755823 U CN 203755823U
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China
Prior art keywords
locking piece
lock core
lock
madanku
key
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CN201420133817.1U
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Chinese (zh)
Inventor
王喜锋
易小明
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Individual
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Individual
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Abstract

The utility model relates to a novel lock head which comprises a lock head shell and a lock cylinder. The lock head shell is provided with a first mounting hole in the axial direction. The lock cylinder is rotatably arranged in the first mounting hole. A key hole is formed in the lock cylinder, and a key can be inserted in the key hole. A first border surface is formed between the lock cylinder and the lock head shell, and locking pieces capable of floating at the inner position and the outer position of the first border surface are arranged between the lock cylinder and the lock head shell. The locking pieces are of a rod shape and extend along the axis of the lock head shell. The novel lock head is characterized in that the two symmetric locking pieces, namely the first locking piece and the second locking piece are arranged between the lock cylinder and the lock head shell, and the first locking piece and the second locking piece can not exchange with each other. In this way, it is guaranteed that in the whole unlocking process, the lock cylinder can not be shifted by the key as a result of faulty operation of the key, so that the unlocking operation is simplified, and the practicability of the lock head is improved.

Description

Novel lock head
Technical field
The present invention relates to a kind of tapered end, thereby described tapered end can coordinate with lock body the utensil that forms sealing door leaf.This patent is also particularly related to a kind of Novel lock head, and described tapered end can prevent that adaptive key is misused and transfers in the process of unblanking, thereby improves described tapered end property easy to use.
Background technology
So far, in prior art, disclosed the cylinder lock of various structures form.For example the patent No. is 201020300701.4, and the applying date is that the Chinese utility model patent on November 03rd, 2010 has disclosed a kind of double-row ball lock with insurance pellet.Comprise that lock body 1(has another name called lock shell), in described lock body 1, also rotate and be provided with turning set 2 and idle-run lock pin 3, wherein, described idle-run lock pin 3 rotates and is arranged in described turning set 2.Between described lock body 1 and turning set 2, form the first interface; Between turning set 2 and idle-run lock pin 3, form the second interface.The marble hole 4 that two rows arrange is vertically set described idle-run lock pin 3 is interior, in described marble hole 4, is provided with pellet 6(and claims again madanku) and pellet return spring 5, wherein said pellet 6 has V-shaped groove.Between described lock body 1 and described marble hole 4, be provided with the consistent also symmetrically arranged insurance marble hole 9(of two shape sizes and see Fig. 1 and Fig. 3 of this patent, convenient in order to discuss below, we are divided into two parts described insurance marble hole 9, be arranged at the outer insurance marble hole in described lock body 1 and be arranged at the interior insurance marble hole in described turning set 2 and idle-run lock pin 3), in two described insurance marble holes 9, be respectively arranged with the consistent pellet group of shape size, described pellet group can be interior unsteady at described insurance marble hole 9 by spring 10 top pressures.Wherein, described pellet group comprises flat pearl 11, middle pearl 12 and pellet 13.
In addition, prior art Patent number is 200620055911.5, the applying date is the Chinese utility model patent on March 7th, 2006, disclosed a kind of two column type lock, comprise that lock cylinder 1(has another name called lock shell) and the lock core 2 of rotary setting in described lock cylinder, on described lock core 2, be provided with key hole 3, in the both sides of key hole 3, be respectively arranged with through hole 9, described key hole 3 and the mutual balance setting of described through hole 9.In described through hole 9, float and be provided with blade 19, described blade 19 is provided with and is protruding to the pushed section 191 that in described key hole 3, also can described blade 19 be slided up and down by key 4 promotions, and on described blade 19, the opposite side of pushed section 191 is provided with recess 192 relatively.Between described lock cylinder 1 and described lock core 2, be provided with baffle plate groove 13, interior unsteady being provided with of described baffle plate groove 13, push away side guard 20.The described side guard 20 that pushes away has the projection that can be received in described recess 192.The described mixed two kinds of different structures of employing of taking of side guard 20 that push away, the first is the en plaque structure that cross sectional shape is square for curved inner side, outside; To be cross sectional shape be trapezoidal en plaque structure for the inner side that is square, outside to the second.Correspondingly the outboard end of described baffle plate groove 13 is also set to respectively arc and square.
Summary of the invention
What patent 201020300701.4 disclosed is a kind of racing lock, described idle-run lock pin no matter unblank or blocking under can under the drive at key, rotate.When adaptive key is inserted to described key hole, alveolus on described key promotes described madanku and floats and to be positioned at lockset position of coupler respectively and madanku described in each, be that the V-shaped groove of described madanku is in same straight line, described pellet can sink in the V-shaped groove of described madanku, thereby make described pellet to floating in described the second interface, and that described middle pearl is across the outer face of described the second interface place described middle pearl is concordant with described the first interface.Now described turning set and idle-run lock pin form interaction relation, reverse key and can drive described turning set to rotate to an angle together with idle-run lock pin simultaneously, generally need to be greater than 180 ° and just can complete and unblank.When the rotation of described turning set and idle-run lock pin is for example 60 ° time, described outer insurance marble hole and described interior insurance marble hole shift to install, described pellet group rely on described lock body annular wall body inner side and can not outwards float, thereby described in now described pellet group engaging madanku make described madanku also cannot float and the alveolus of engaging on described key in, so described pellet group axially locks described key by described Special-shaped marble, now described key cannot be pulled away to described lock core.Described key continues to drive described turning set to turn to 180 ° of positions together with described idle-run lock pin, described two groups of pellet group transpositions corresponding the other side's described insurance marble hole, when if now maloperation is pulled out key outward, because described insurance marble hole can provide outwards unsteady space for described pellet group again, now described madanku can float and remove the engaging to the alveolus of described key, and described key can pull away described lock core smoothly for this reason.But now remain unfulfilled unlock operation, have to again insert key for this reason and re-start and unblank.Combining its reason, is that shape size due to 180 ° of symmetrically arranged two pellet groups unanimously has interchangeability and causes.
Although push away the concrete different cross sectional shape of side guard in patent 200620055911.5, but still can return in described baffle plate groove after pushing away side guard transposition described in two, thereby push away the locking of side guard to described blade described in removing, for this reason, when not completing unlock operation, described key can be pulled away described lock core by mistake equally.
For the deficiencies in the prior art, one of goal of the invention of the present invention is to provide a kind of Novel lock head, thereby described tapered end can effectively prevent that by improving the structure of its inner locking piece key from being pulled away described tapered end by mistake, has greatly improved the practicality of described tapered end for this reason; In addition, by optimizing the structure of madanku, improve the size of key of described tapered end and the performance that against shock is opened.
The invention provides a kind of Novel lock head for this reason, comprise lock shell and lock core, described lock shell has the first installing hole of axial setting, and in described the first installing hole, rotary setting has described lock core, is provided with the key hole that can allow key insert in described lock core; Between described lock core and described lock shell, there is the first interface, and being provided with between described lock core and described lock shell can be at the unsteady locking piece in the inside and outside position of described the first interface, it is shaft-like and along the Axis Extension of described lock shell that described locking piece is; It is characterized in that, the described locking piece that is provided with two groups of symmetries between described lock core and described lock shell is the first locking piece and the second locking piece, between described the first locking piece and the second locking piece, can not exchange.
Wherein, described lock shell is the internals housing component of described lock core for example that holds described tapered end, also can regard the holder of described lock core as simultaneously.
Wherein, described lock core is the member being independent of in the first installing hole of described lock shell, and can in described the first installing hole, conditionity rotate, and meets after certain condition, and described lock core can freely rotate.Rotation interface place between described lock core and described lock shell forms described the first interface.Whether in described lock core, being also provided with the described key of checking is thereby that coupling key determines whether the demo plant that can unblank, described demo plant can be the blade that can move left and right in lock core, or be the patent No. be in 201020300701.4 existing patent, disclose can the inside and outside unsteady madanku with V-shaped groove etc.
For described lock core is carried out to conditionity locking, meet after certain condition, described lock core can be locked and can not rotate relative to described lock shell, in the inside and outside position of described the first interface, floats described locking piece is set.In addition, it is multiple that described locking piece is realized unsteady mode, it can be pressed to form by pellet group top conventional in prior art and float, the elastic ball group that the spring peace pearl disclosing in the existing patent that is 201020300701.4 such as the patent No., middle pearl etc. form, or to make in other way described locking piece float in the inside and outside position of described the first interface be also feasible scheme.
According to technique scheme, between described lock shell and lock core, must be provided with the floating space with described locking piece adaptation, the insurance marble hole for example, disclosing in the existing patent that patent is 201020300701.4.Described floating space comprises the outer flotation chamber that is arranged in described lock shell and the interior flotation chamber in described lock core specifically.The be placed in inside and outside both sides of described the first interface of described outer flotation chamber and interior flotation chamber.When described locking piece upwards floats and is across described the first interface place, described locking piece is contained in the outer flotation chamber of described lock shell and in the interior flotation chamber of described lock core simultaneously, thereby make lock core and described lock shell form relative static relation, described lock core is engaged can not rotate relative to described lock shell in described lock shell.In addition, when described key is inserted to described demo plant, described demo plant can make described locking piece float when also integral body enters in described interior flotation chamber downwards, and the outer face of described locking piece is concordant with described the first interface, between described lock shell and described lock core, can relatively rotate.On the other hand, when described outer flotation chamber and the alignment of interior flotation chamber, the Special-shaped marble that described locking piece can not disclose as patent 201020300701.4 discussed above by described demo plant, forms axial locking to described key.Thereby and turn an angle while making described outer flotation chamber and interior flotation chamber form dislocation when described lock core, described outer flotation chamber can not provide the space of dodging of outwards floating for described locking piece, now described demo plant forms axial locking to described key, and described key cannot move axially and pull away described lock core.
Wherein, the described locking piece that is provided with two groups of symmetries between described lock core and described lock shell i.e. the first locking piece and the second locking piece, can be read as, and described the first locking piece and the second locking piece be take the rotation of described lock core and be symmetrical arranged as axis of symmetry.Correspondingly between described lock shell and lock core, be also provided with the floating space of two groups of symmetries, i.e. the first outer flotation chamber, the first interior flotation chamber and the second outer flotation chamber, the second interior flotation chamber.According to such scheme, when described lock core Rotate 180 °, the position of described the first locking piece and described the second locking piece is just exchanged, described the first locking piece is transposed to the position corresponding with described the second outer flotation chamber, and described the second locking piece is transposed to the position corresponding with described the first outer flotation chamber.
Now, if having interchangeability between described the first locking piece and described the second locking piece, described the first locking piece can substitute described the second locking piece and enter described the second outer flotation chamber; And described the second locking piece can substitute described the first locking piece, enter described the first outer flotation chamber, thereby described locking piece cannot lock described authentication module, make described authentication module also cannot carry out axial location to described key.For fear of above-mentioned situation, occur, we,, by improving the structure of described the first locking piece and the second locking piece, make can not exchange between described the first locking piece and the second locking piece.
Wherein, between described the first locking piece and the second locking piece, can not exchange, can be read as, thereby described the first locking piece enters described the second outer flotation chamber from the second locking piece because structural factors such as having different shapes, size makes described the first locking piece can not substitute described the second locking piece, or make described the second locking piece can not substitute described the first locking piece to enter described the first outer flotation chamber.
In order to reach above object, described the first locking piece and the second locking piece can adopt various ways, for example described the first locking piece and described the second locking piece are roughly flat column, and the radial width of described the first locking piece is less than the radial width of described the second locking piece.
Wherein, describedly be radial section shape and the axial cross section shape that flat column is not described the first locking piece and described the second locking piece and be all necessary for the square of standard, particularly from described radial section, described the first locking piece and described the second locking piece are for the ease of adaptive with described demo plant, the V-shaped groove of the Special-shaped marble in described patent 201020300701.4 for example, their inner end is traditionally arranged to be V-type or semicircular arc, but does not affect so described the first locking piece and described the second locking piece is roughly flat column.In addition, the radial width of described the first locking piece is less than the radial width of described the second locking piece, like this, although described the first locking piece can replace described the second locking piece to enter described the second outer flotation chamber, described the second locking piece can not replace described the first locking piece to enter described the first outer flotation chamber.Even lock core Rotate 180 ° for this reason, described lock the second locking piece still can, by the axial described key of locking of described demo plant, avoid described key to be dialled from described lock core by mistake.
Further technical scheme is that the axial length of described the first locking piece is longer than the axial length of described the second locking piece.Like this, not only described the first locking piece can not substitute described the second locking piece and enter described the second outer flotation chamber, and described the second locking piece can not substitute described the first locking piece and enters described the first outer flotation chamber.
Be compared with the prior art, beneficial effect of the present invention is: thus by improving the structure of described the first locking piece and the second locking piece, make described the first locking piece can not substitute described the second locking piece to enter described the second outer flotation chamber, or make described the second locking piece can not substitute described the first locking piece and enter described the first outer flotation chamber, and then described the first locking piece and the second locking piece can not be exchanged.Like this, guaranteed that, in the whole process of unblanking, described key can not be dialled from described lock core because of faulty operation, thereby simplified unlock operation, and improved the practicality of described tapered end.
Novel lock head of the present invention can also be that sky revolves tapered end, and further technical scheme is for this reason, and described lock core comprises outer lock core and internal cylinder, and described key hole is arranged in described internal cylinder; Described outer lock core has the second installing hole of axial setting, and in described the second installing hole, internal cylinder described in rotary setting, has the second interface between described outer lock core and described internal cylinder, and described outer lock core is rotatably installed in described the first installing hole; In described internal cylinder, be also provided with the first secondary locking part and the second secondary locking part, the first secondary locking part is positioned at inner side synchronous the floating of described the first locking piece, described the second secondary locking part is positioned at inner side synchronous the floating of the second locking piece, and described the first locking piece and the second locking piece can float in the inside and outside position of described the second interface.
Wherein, described outer lock core and internal cylinder are separate and member in relative rotation, at their rotation interface place, form described the second interface.
And for described internal cylinder can be rotated relative to described outer lock core, in described lock core, be also provided with the first secondary locking part and the second secondary locking part, and the first secondary locking part is positioned at inner side synchronous the floating of described the first locking piece, be that described the first secondary locking part is positioned at all the time described the second interface inner side and can be across described the second interface place, in addition, described the first secondary locking part is synchronizeed unsteady with described the first locking piece, when described the first secondary locking part outwards floats, described the first locking piece also outwards floats thereupon, the outer face of described the first secondary locking part is concordant with described the second interface, described the first locking piece is across described the first interface place, now, described internal cylinder can be rotated but can not be driven described outer lock core to rotate, and when described the first secondary locking part inwardly floats, described the first locking piece also inwardly floats thereupon, described first auxiliary determine part and further floats in described internal cylinder, described the first locking piece is across described the second interface place and its outer face is concordant with described the first interface, when now, described internal cylinder is rotated, also can drive described outer lock core to rotate.
Similarly, described the second secondary locking part is positioned at inner side synchronous the floating of the second locking piece, the interaction relation of the interaction relation of described the second secondary locking part, described the second locking piece, described lock core, described lock shell and described the first secondary locking part, described the first locking piece, described lock core, described lock shell is similar, at this, no longer repeats to discuss.
Further technical scheme is in described internal cylinder, be provided with the madanku that two rows can be unsteady, and described madanku to move under the promotion of key; Wherein, on upper row's described madanku, be also provided with can with the upper positioning pit of described the first secondary locking part adaptation, on lower row's described madanku, be also provided with can with the lower positioning pit of the second secondary locking part adaptation, described in each, on madanku, be also provided with the positioning boss extending in described key hole, about the described positioning boss with two adjacent madankus of the front and back in row's madanku, split.
Wherein, in order to make described madanku float, be arranged in described internal cylinder, can adopt technical scheme conventional in prior art, for example, between described madanku and described internal cylinder, back-moving spring is set.In addition, thus described madanku is arranged above and below has reserved the space that described key hole is set between them.And described in each, on madanku, be also provided with the positioning boss extending in described key hole, after described key enters in described lock core by described key hole for this reason, the alveolus of the upper and lower two sides of described key can promote respectively the positioning boss of described two rows madanku, thereby promoting described madanku moves, final by described alveolus the location that coordinates with described positioning boss, make the described positioning pit of same row's madanku in same straight line, thereby described secondary locking part can be sunk in described positioning pit.
Secondly, described positioning boss left and right with two adjacent madankus of the front and back in row's madanku splits, can increase the distance with the described positioning pit of two adjacent madankus of the front and back of row's madanku, thereby increase the otherness with the front and back pearl in row's madanku, and then improve the size of key of described tapered end.
Because the present invention has These characteristics and advantage, can be applied in the tapered end of lockset for this reason.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the Novel lock head of application technical solution of the present invention;
Fig. 2 is the axial sectional structure schematic diagram of the Novel lock head of application technical solution of the present invention, and key described in figure has inserted in described lock core;
Fig. 3 is the sectional structure schematic diagram of the A-A direction in Fig. 2, and now described tapered end is in unlocking condition, and in order to show that interior flotation chamber (25a, 25b) specially removes the part wall body of locking piece (71,72).
Fig. 4 is the sectional structure schematic diagram of described tapered end in blocking.
The specific embodiment
Below in conjunction with accompanying drawing, the structure of the Novel lock head of application technical solution of the present invention is further described.
As shown in Figure 1, it is the decomposition texture schematic diagram of the Novel lock head of application technical solution of the present invention, described Novel lock head, comprise lock shell 1 and lock core 2, described lock shell 1 has the first installing hole 11 of axial setting, in described the first installing hole 11, rotary setting has described lock core 2, is provided with the key hole 23 that can allow key 3 insert in described lock core 2.
Wherein, described lock shell 1 is the internals housing component of described lock core 2 for example that holds described tapered end, also can regard the holder of described lock core 2 as simultaneously.
Wherein, described lock core 2 is the members that are independent of in the first installing hole 11 of described lock shell 1, and can rotate in the interior conditionity of described the first installing hole 11, meets and unblanks after condition, and described lock core 2 can freely rotate.Rotation interface place between described lock core 2 and described lock shell 1 forms described the first interface A.
Specifically, described lock core 2 comprises outer lock core 21 and internal cylinder 22, and described key hole 23 is arranged in described internal cylinder 22; Described outer lock core 21 has the second installing hole 24 of axial setting, internal cylinder 22 described in rotary setting in described the second installing hole 24.Described outer lock core 21 is rotatably installed in described the first installing hole 11.And described outer lock core 21 and internal cylinder 22 are separate and member in relative rotation, at their rotation interface place, form described the second interface B.
Secondly, as shown in figures 1 and 3, in described internal cylinder 22, be provided with upper madanku container cavity 41 and lower madanku container cavity 42 that the mutual balance of two rows arranges, in described upper madanku container cavity 41, be provided with the upper madanku 51 of being pressed by back-moving spring 53 tops, in described lower madanku container cavity 42, be provided with by back-moving spring 54 tops and depress madanku 52.Generally speaking, in described internal cylinder 22, be provided with the madanku (51,52) that two rows can be unsteady, described madanku (51,52) thus be whether the described key of checking 3 is that coupling key determines whether the demo plant that can unblank.Madanku container cavity 41, the lower madanku container cavity 42 reserved space that described key hole 23 is set between described madanku (51,52) in other words on described.And described in each, on madanku (51,52), be also provided with the positioning boss (55,56) extending in described key hole 23, about the described positioning boss (55,56) with the adjacent madanku in the front and back in row's madanku (51,52), split.On upper row's described madanku 51, being also provided with can be with below by the upper positioning pit 51a of the first secondary locking part 71a adaptation of discussing, on lower row's described madanku 52, be also provided with can with below by the lower positioning pit 52a of the second secondary locking part 72a adaptation of discussing.
For this reason described key 3 by described key hole 23 enter described internal cylinder 22 interior after, the alveolus of the upper and lower two sides of described key 3 can promote respectively the positioning boss (55,56) of described two rows madanku (51,52), thereby promotes the left and right movement of described madanku (51,52).Secondly, described positioning boss (55,56) left and right with two adjacent madankus of the front and back in row's madanku (51,52) splits, can increase the distance of the described positioning pit (51a, 52a) of the front and back pearl of row's madanku (51,52) together, thereby increase the otherness with two adjacent madankus of the front and back in row's madanku, and then improve the size of key of described tapered end.
For described lock core 2 is carried out to conditionity locking, meet after barring condition, described lock core 2 can be locked and can not be rotated relative to described lock shell 1, between described lock core 2 and described lock shell 1, be locking piece i.e. the first locking piece 71 and the second locking piece 72 that two groups of symmetries are set between described outer lock core 2 and lock shell 1 specifically, that is to say that described the first locking piece 71 and the second locking piece 72 take the rotation of described lock core 2 and be symmetrical arranged as axis of symmetry.In addition, described the first locking piece 71 and the second locking piece 72 can float in the inside and outside position of described the first interface A and described the second interface B.In described lock shell 1, be provided with top respectively and be pressed in the hoodle group (81,82) of four groups on described the first locking piece 71 and the second locking piece 72.
In described internal cylinder 22, be also provided with the first secondary locking part 71a and the second secondary locking part 72a, the first secondary locking part 71a is positioned at inner side synchronous the floating of described the first locking piece 71, and described the second secondary locking part 72a is positioned at inner side synchronous the floating of the second locking piece 72.It is shaft-like and along the Axis Extension of described lock shell 1 that described the first locking piece 71, the first secondary locking part 71a and the second locking piece 72, the first secondary locking part 71a are.
According to technique scheme, between described lock shell 1 and lock core 2, must be provided with described locking piece adaptation and be symmetrical arranged floating space, described floating space comprises the first outer flotation chamber 12a, the second outer flotation chamber 12b being arranged in described lock shell 1 specifically, also comprises that it is the first interior flotation chamber 25a, the second interior flotation chamber 25b in outer lock core 21 and internal cylinder 22 that described lock core 2 is set.The be placed in inside and outside both sides of described the first interface A of described outer flotation chamber (12a, 12b) and interior flotation chamber (25a, 25b).
As shown in Figure 4, be the sectional structure schematic diagram of described tapered end in blocking.Because between described lower madanku 52, described the second secondary locking part 72a, described the second locking piece 72, mutually between interaction relation and described upper madanku 51, described the first secondary locking part 71a, described the first locking piece 71, interaction relation is similar mutually, the mutual interaction relation of for this reason take below between described upper madanku 51, described the first secondary locking part 71a, described the first locking piece 71 is discussed as example.Described back-moving spring 53 promotes described upper madanku 51 and moves reset, thereby described upper madanku 51 tops are pressed described the first secondary locking part 71a to make the first secondary locking part 71a leave described upper positioning pit 51a and are outwards floated, and described the first locking piece 71 also outwards floats with described the first secondary locking part 71a.Thereby just in time alignd with described the second interface B in the outer face of described the first secondary locking part 71a, described the first locking piece 71 is across described the first interface A place.Now, described internal cylinder 22 can be rotated, but described outer lock core 21 can not be rotated relative to described lock shell 1 by described the first locking piece 71 lockings.Described tapered end is in blocking for this reason.
As shown in Figure 3, be the sectional structure schematic diagram of described tapered end in unlocking condition.Described key 3 is inserted to described key hole 23, when the positioning boss 55 that the alveolus 31 on described key 3 upper sides promotes described upper madanku 51 moves and described upper positioning pit 51a is positioned to the position corresponding with described the first secondary locking part 71a, the upper positioning pit 51a of same row's described upper madanku 51 is on same straight line, and described the first secondary locking part 71a can sink in described upper positioning pit 51a.Described the first secondary locking part 71a inwardly floats and integral body enters in described the first interior flotation chamber 25a, and described the first locking piece 71 inwardly floats with described the first secondary locking part 71a is synchronous, the top end face of final described the first locking piece 71 is concordant with described the first interface A, meanwhile, described the first locking piece 71 is also across described the second interface B place.For this reason, described internal cylinder 22 can drive outer lock core 21 to rotate together, and described outer lock core 21 drives other STATEMENT OF FEDERALLY SPONSORED to complete unlock operation again.
In the process of unblanking in rotation, when described lock core 2 turns an angle, for example, 60 ° time, described the first outer flotation chamber 12a and the first interior flotation chamber 25a shift to install, described the first locking piece 71 rely on described lock shell 1 annular wall body inner side and can not outwards float, thereby now described in described the first secondary locking part 71a engaging, in the upper positioning pit 51a of upper madanku 51, make the described upper madanku 51 cannot be left, right floating, thereby in the alveolus 31 of positioning boss 55 engagings that also make described upper madanku 51 on described key 3, so described the first secondary locking part 71a axially locks by 51 pairs of described keys 3 of described upper madanku, now described key 3 cannot be pulled away to described lock core 2.
Described key 3 is rotated further and drives described lock core 2 to turn to 180 ° of positions, the position of described the first secondary locking part 71a, the first locking piece 71 and described the second secondary locking part 72a, the second locking piece 72 is just exchanged, described the first secondary locking part 71a, the first locking piece 71 the is transposed to position corresponding with described the second outer flotation chamber 12b, and described the second secondary locking part 72a, the second locking piece 72 the is transposed to position corresponding with described the first outer flotation chamber 12a.Now, if had in the situation of interchangeability between described the first locking piece 71 and described the second locking piece 72, described the first locking piece 71 can substitute described the second locking piece 72 and enter described the second outer flotation chamber 12b; And described the second locking piece 72 can substitute described the first locking piece 71 and enters described the first outer flotation chamber 12a, described the first locking piece 71 and the second locking piece 72 cannot limit described madanku (51,52) thus float and make described madanku (51,52) remove the axial location to described key 3.For fear of above-mentioned situation, occur, we,, by improving described the first locking piece 71 and the second locking piece 72 structures, make can not exchange between described the first locking piece 71 and the second locking piece 72.
Wherein, between described the first locking piece 71 and the second locking piece 72, can not exchange, can be read as, thereby described the first locking piece 71 enters described the second outer flotation chamber 12b from the second locking piece 72 because structural factors such as having different shapes, size makes described the first locking piece 71 can not substitute described the second locking piece 72, or make described the second locking piece 72 can not substitute described the first locking piece 71 to enter described the first outer flotation chamber 12a.
In order to reach above object, described the first locking piece 71 and the second locking piece 72 can adopt various ways, for example, as shown in Figure 3, described the first locking piece 71 and described the second locking piece 72 are roughly flat column, and the radial width W1 of described the first locking piece 71 is less than the radial width W2 of described the second locking piece 72.Like this, although described the first locking piece 71 can replace described the second locking piece 72 to enter described the second outer flotation chamber 12b, described the second locking piece 72 can not replace described the first locking piece 71 to enter described the first outer flotation chamber 12a.Even lock core Rotate 180 ° for this reason, described the second locking piece 72 still can, by the axial described key 3 of locking of described lower madanku 52, avoid described key 3 to be dialled from described lock core 2 by wrong.
Further technical scheme is, as shown in Figure 2, the axial length L 1 of described the first locking piece 71 is longer than the axial length L of described the second locking piece 72 2.Like this, described the first locking piece 71 can not substitute described the second locking piece 72 and enter described the second outer flotation chamber 12b, and described the second locking piece 72 can not substitute described the first locking piece 71 and enters described the first outer flotation chamber 12a.
According to above technical scheme, thereby the present invention makes described the first locking piece 71 can not substitute described the second locking piece 72 to enter described the second outer flotation chamber 12b by improving the structure of described the first locking piece 71 and the second locking piece 72, or make described the second locking piece 72 can not substitute described the first locking piece 71 and enter described the first outer flotation chamber 12a, and then described the first locking piece 71 and the second locking piece 72 can not be exchanged.Like this, guaranteed in the whole process of unblanking, described key 3 can not dialled from described lock core 2 because of faulty operation, thereby simplifies unlock operation, and improves the practicality of described tapered end.
Because the present invention has These characteristics and advantage, can be widely applied in the tapered end of lockset for this reason, be particularly applied to two groups described in the symmetrically arranged tapered end of locking piece.

Claims (5)

1. Novel lock head, comprises lock shell and lock core, and described lock shell has the first installing hole of axial setting, and in described the first installing hole, rotary setting has described lock core, is provided with the key hole that can allow key insert in described lock core; Between described lock core and described lock shell, there is the first interface, and being provided with between described lock core and described lock shell can be at the unsteady locking piece in the inside and outside position of described the first interface, it is shaft-like and along the Axis Extension of described lock shell that described locking piece is; It is characterized in that, the described locking piece that is provided with two groups of symmetries between described lock core and described lock shell is the first locking piece and the second locking piece, between described the first locking piece and the second locking piece, can not exchange.
2. Novel lock head according to claim 1, is characterized in that, described the first locking piece and described the second locking piece are roughly flat column, and the radial width of described the first locking piece is less than the radial width of described the second locking piece.
3. Novel lock head according to claim 2, is characterized in that, the axial length of described the first locking piece is longer than the axial length of described the second locking piece.
4. according to the Novel lock head described in claim 1,2 or 3, it is characterized in that, described lock core comprises outer lock core and internal cylinder, and described key hole is arranged in described internal cylinder; Described outer lock core has the second installing hole of axial setting, and in described the second installing hole, internal cylinder described in rotary setting, has the second interface between described outer lock core and described internal cylinder, and described outer lock core is rotatably installed in described the first installing hole; In described internal cylinder, be also provided with the first secondary locking part and the second secondary locking part, the first secondary locking part is positioned at inner side synchronous the floating of described the first locking piece, described the second secondary locking part is positioned at inner side synchronous the floating of the second locking piece, and described the first locking piece and the second locking piece can float in the inside and outside position of described the second interface.
5. Novel lock head according to claim 4, is characterized in that, is provided with the madanku that two rows can be unsteady in described internal cylinder, and described madanku can move under the promotion of key; Wherein, on upper row's described madanku, be also provided with can with the upper positioning pit of described the first secondary locking part adaptation, on lower row's described madanku, be also provided with can with the lower positioning pit of the second secondary locking part adaptation, described in each, on madanku, be also provided with the positioning boss extending in described key hole, about the described positioning boss with two adjacent madankus of the front and back in row's madanku, split.
CN201420133817.1U 2014-03-24 2014-03-24 Novel lock head Expired - Fee Related CN203755823U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420133817.1U CN203755823U (en) 2014-03-24 2014-03-24 Novel lock head

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Application Number Priority Date Filing Date Title
CN201420133817.1U CN203755823U (en) 2014-03-24 2014-03-24 Novel lock head

Publications (1)

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Family Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103850535A (en) * 2014-03-24 2014-06-11 曹国基 Novel lock head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103850535A (en) * 2014-03-24 2014-06-11 曹国基 Novel lock head

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Assignee: Guangdong Archie Hardware Co.,Ltd.

Assignor: Cao Guoji

Contract record no.: 2015440000898

Denomination of utility model: Technical-opening-resistant novel lock head

Granted publication date: 20140806

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Record date: 20151231

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