WO2011009281A1 - 联动式防盗锁头 - Google Patents

联动式防盗锁头 Download PDF

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Publication number
WO2011009281A1
WO2011009281A1 PCT/CN2010/000226 CN2010000226W WO2011009281A1 WO 2011009281 A1 WO2011009281 A1 WO 2011009281A1 CN 2010000226 W CN2010000226 W CN 2010000226W WO 2011009281 A1 WO2011009281 A1 WO 2011009281A1
Authority
WO
WIPO (PCT)
Prior art keywords
shrapnel
brake
key
piece
elastic
Prior art date
Application number
PCT/CN2010/000226
Other languages
English (en)
French (fr)
Inventor
朱长洛
孙皆宽
林牧
于继泉
Original Assignee
平顶山市大汉锁业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN2009100655214A external-priority patent/CN101963010B/zh
Priority claimed from CN2009202240818U external-priority patent/CN201747133U/zh
Application filed by 平顶山市大汉锁业有限公司 filed Critical 平顶山市大汉锁业有限公司
Priority to US13/386,575 priority Critical patent/US20120125061A1/en
Priority to JP2012520887A priority patent/JP5739885B2/ja
Priority to EP10801841.7A priority patent/EP2458116B1/en
Publication of WO2011009281A1 publication Critical patent/WO2011009281A1/zh
Priority to IL217581A priority patent/IL217581A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E05B29/0066Side bar locking
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/752Sliding tumblers
    • Y10T70/7525Longitudinal
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7588Rotary plug
    • Y10T70/7593Sliding tumblers
    • Y10T70/7599Transverse of plug
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7588Rotary plug
    • Y10T70/7593Sliding tumblers
    • Y10T70/7599Transverse of plug
    • Y10T70/7616Including sidebar

Definitions

  • the invention relates to an anti-theft lock head, in particular to a linkage type unsealing anti-theft lock.
  • a shrapnel type anti-theft lock (patent application number: 200710160958.7, publication number: CN101196085).
  • the opening and sealing method is as follows: During the insertion of the key, by inserting the key, the elastic pieces in the lock head are all released from the locked state, and enter the rotating interface of the lock cylinder, but at this time, the lock core is not separated by the elastic piece.
  • the locked state can be rotated, and the rotation of the circular control piece must be driven by the key, so that the circular control piece pushes the boss of the end of the guide rod to be axially displaced rearward, away from the groove on the lock sleeve, through the guide rod
  • the guide bar brake teeth cooperate with the slots of the spring to enable the lock cylinder to be fully open.
  • the key is returned to the extracted positive position by the key.
  • the guide rod moves axially forward by the spring at the rear end, so that the guide brake teeth on the guide rod are separated from the tooth groove on the elastic piece, and then guided.
  • the boss on the rod enters the groove on the lock sleeve, creating a lock, at which point the key can be pulled out.
  • each of the shrapnels at this time is out of engagement with the brake teeth of the guide rods, and is returned to the locked position by the spring, which is the second lock.
  • double guide, double guide dovetail groove, double-head spring groove, double guide spring reset spring can be changed to single guide, single guide dovetail slot, single-head spring slot, single guide return spring.
  • the object of the present invention is to provide a linkage unsealing anti-theft lock head, in the inside of the lock head, the secondary opening and the second sealing method realized by the linkage structure, while further improving the anti-theft performance of the lock head, avoiding Remaining features simplify its structure.
  • the present invention adopts the following technical solutions:
  • a linkage anti-theft lock head comprising a lock sleeve, a lock cylinder, a brake lever, a front elastic piece and a return spring thereof, a tail spring piece and a return spring thereof and a key, wherein the front elastic piece and the tail spring piece and the lock core are axially distributed
  • the shrapnel slot is matched, the brake lever is installed along the axial direction of the lock cylinder, and the brake teeth on the brake lever are engaged with the spring teeth of the front elastic piece and the tail spring piece, and the front elastic piece and the tail spring piece are oppositely arranged.
  • Brake groove there are two implementations:
  • the front shrapnel is the front shrapnel
  • the tail shrapnel is the last shrapnel, which is described in detail as: including the lock sleeve, the lock cylinder, the brake lever, the front shrapnel, the last shrapnel, the key, spaced in the axial direction of the lock cylinder
  • the shrapnel is matched with the shrapnel slot of the lock cylinder.
  • a lock cylinder groove matching the brake lever is disposed in the upper part of the lock cylinder along the axial direction.
  • the front end of the brake lever is provided with a boss which cooperates with a circumferential groove of the front end of the lock sleeve;
  • All the shrapnel before the last shrapnel are front shrapnel, and at least one shrapnel alveolar is provided on the front or back side of each front shrapal piece.
  • the shrapnel of the front shrapnel is covered by the upper inclined surface of the shrapnel and the bottom of the shrapnel.
  • the plane forms an angle, and the notch groove of the front piece is aligned with the key insertion direction; the front brake teeth of the front piece of the spring piece are meshed with the front teeth of the front piece;
  • At least one elastic tooth groove is provided on the front side or the reverse side of the last elastic piece, and the elastic element groove of the last elastic piece is formed by the upper inclined surface and the lower inclined surface, and the orientation of the notch groove of the last elastic piece is opposite to the key insertion direction.
  • the brake lever is provided with a last brake tooth; the end of the last brake tooth has the same shape as the front brake tooth, and meshes with the elastic tooth groove of the adjacent front elastic piece, and the other end
  • the upper inclined surface and the lower inclined surface form a lobe, and mesh with the elastic alveolar groove of the last elastic piece;
  • a braking end is provided, which cooperates with the braking groove at the bottom end of the locking sleeve;
  • the above-mentioned key tooth is composed of a transition platform, a pushing slope and a back pressure slope, the transition platform and the pushing
  • the pressure ramp and the back pressure ramp are connected in a transitional manner; the longitudinal advancement length of any one of the transition platforms is to meet the equal advancement length of the contact surface of the keyhole shrapnel keyhole during the advancement of the other transitional platform; at least one backlash bevel in the entire key
  • the height of the back pressure ramp is equal to the height of the front brake tooth or the height of the progressive back pressure ramp; the front end of the key is provided with a push ramp; the key is coded according to the height of the transition platform.
  • the elastic alveolar groove of the above-mentioned front piece is formed by a right angled triangle and a bottom plane of the elastic tooth groove; the lateral width of the front brake tooth is greater than or equal to the lateral width of the elastic piece, and the front brake tooth
  • the upper inclined surface forms an angle with the bottom plane of the brake lever;
  • the elastic alveolar groove of the last spring piece is an isosceles triangle shape, and the upper inclined surface and the lower inclined surface are symmetric with an angle bisector, the angle bisector and the brake
  • the bottom plane of the rod is flat Row.
  • the angle between the upper inclined surface of the elastic piece groove of the front piece and the bottom plane of the elastic tooth groove is 43 ° ⁇ 60 °, and the upper inclined surface of the front brake tooth and the bottom plane of the brake lever are respectively formed.
  • the angle of the brake lever is 30° to 60°, and the bottom surface of the brake lever is parallel to the bottom plane of the elastic alveolar groove; the elastic alveolar groove of the last elastic piece is an isosceles triangle, and the upper and lower inclined surfaces and the angle bisector are clamped.
  • the angle is 43 ° to 60 °; the angle between the upper inclined surface of the end of the brake lever and the end of the front brake disc toward the front spring is 30 ° ⁇ 60 °, the brake lever The angle between the upper and lower slopes of the bulge forming the lobes of the end of the last brake tooth toward the last spring is 30° to 60°.
  • the angle between the upper inclined surface of the elastic groove of the front piece and the bottom surface of the elastic groove is 45°, and the angle between the upper inclined surface of the front brake tooth of the brake lever and the bottom plane of the brake lever 45°;
  • the shrapnel of the last shrapnel is an isosceles triangle, and the angle between the upper and lower slopes and the angle bisector is 45°;
  • the brake of the brake lever is at the last position
  • the angle between the upper inclined surface of one end of the tooth toward the front piece of the elastic piece and the bottom plane is 45°, and the upper end of the brake lever is oriented toward the end of the last piece of the elastic piece.
  • the angle between the two slopes and the angle bisector is 45°.
  • the front end of the key is a push ramp that is less than or equal to 45°.
  • Each of the front slats is provided with at least two shrapnels arranged in parallel from top to bottom, and the direction, size and angle of the shrapnel are the same; in the open state, on each of the front shrapnel, one of them
  • the bottom plane of the shrapnel is in the same plane as the bottom plane of the front brake teeth of the brake lever.
  • Each transition platform of the above-described key is parallel to each other and parallel to the axis of the lock cylinder.
  • the steps of opening and sealing the interlocking anti-theft lock are respectively:
  • the opening steps are as follows:
  • the front shrapnel opening process When the key is pushed forward, when the pusher slope of the front end of the key touches the touch surface of the last shrapnel keyhole, the touch surface of the front shrapnel keyhole is all open by the key transition platform. , to achieve the first opening of the front shrapnel without linkage;
  • the last shrapnel opening process the key is continued to advance, and the pushing slope of the front end of the key completes the process of pressing the touch surface of the keyhole from the top end of the shrapnel to the final pressing of the key piece of the keyhole of the shrapnel by the transition platform, so that The last shrapnel is displaced downward;
  • one or more of the front elastic pieces are displaced downward by the backlash of the key, and the front elastic piece is displaced downward, and the upper inclined surface of the elastic tooth groove of the front elastic piece is equivalent.
  • the convex part of the moving cam presses the front brake tooth on the brake lever to longitudinally displace the brake lever toward the bottom end of the lock sleeve, so that the brake end of the brake lever and the bottom of the lock sleeve
  • the brake groove of the end is matched to realize the secondary sealing of the linkage mode
  • the invention provides a linkage unsealing anti-theft lock head, which not only retains the mutual braking of the prior art shrapnel, the brake lever and the lock sleeve, but also performs mutual braking of the brake lever, the shrapnel and the key.
  • Linkage through the linkage structure to achieve the second opening and the second sealing, so that the technical opening to avoid this, effectively improve the anti-theft performance of the lock.
  • value engineering the design of the remaining functions is also avoided, so that the structure is effectively simplified.
  • the front shrapnel is the rear shrapnel
  • the tail shrapnel is the first shrapnel, which is described in detail as: a lock sleeve
  • the lock The sleeve comprises: an upper and lower symmetrical axial groove, a circumferential groove, and a brake groove at the front end of the lock sleeve; a lock core whose outer diameter is matched with a corresponding inner diameter of the lock sleeve, the lock core includes: a set of along the shaft a spaced apart shrapnel slot, an axially formed brake lever chute, and a front and rear lock cylinder keyhole; a brake lever that cooperates with the brake lever chute, the brake The rod comprises: a set of rear brake teeth and a first brake tooth distributed along the longitudinal direction thereof, a boss formed at the rear end of the brake lever, and a clearance fit with the circumferential groove, at the front end of the brake lever Forming a braking end to cooperate with the brake groove;
  • the symmetry plane of the brake lever chute on the lock cylinder intersects with the vertical symmetry plane of the lock cylinder, and the symmetry plane of the brake lever chute is in the middle of the height of the spring slot hole, and the brake lever chute and the lock cylinder on the lock cylinder
  • the shrapnel holes are communicated;
  • the shrapnel of the rear shrapnel is formed in the middle of the upper and lower directions of the front plane of the rear shrapnel, and the shrapal alveolar of the rear shrapnel is formed by the upper inclined plane and the bottom plane to form a right-angled triangle;
  • the front plane of the spring piece is perpendicular to the symmetry plane of the lock core, and the notch assembly direction of the spring tooth groove of the rear spring piece is aligned with the key insertion direction, and the upper inclined surface of the rear brake tooth of the brake lever forms an angle with the bottom plane.
  • the rear brake tooth at the rear of the brake lever is disengaged from the elastic alveolar groove of the
  • the shrapnel of the first shrapnel is formed in the middle of the upper and lower directions of the rear plane of the first shrapnel.
  • the shrapnel of the first shrapnel is formed by the upper bevel and the lower bevel.
  • the rear plane of the first shrapnel is perpendicular to the symmetry plane of the lock core.
  • the slot assembly of the shrapnel of the shrapnel is opposite to the direction in which the key is inserted.
  • the first brake tooth on the brake lever is formed by the upper bevel and the lower bevel, and the first brake tooth of the brake lever is in the first position.
  • the shrapnel of the shrapnel is clutched.
  • the spring shingle of the first piece of shrapnel is an isosceles triangle, and the upper inclined surface and the lower inclined surface are symmetric with an angle bisector; the angle bisector of the upper inclined surface and the lower inclined surface is parallel to the bottom plane of the elastic alveolar of the rear elastic piece. Or on the same plane.
  • the angle between the upper inclined surface of the shrapal alveolar of the rear elastic piece and the bottom plane of the elastic tooth groove is 43 ° to 60 °, and the upper inclined surface of the rear brake tooth and the bottom plane of the rear brake tooth form a clip.
  • the angle is 30. ⁇ 60 °, the bottom plane of the brake teeth is parallel to the bottom plane of the shrapnel of the rear shrapnel; the shrapnel of the first shrapnel is an isosceles triangle, and its upper and lower slopes and angle bisector
  • the angle of the brake is 43 ° ⁇ 60 °; the first brake tooth of the brake lever is oriented toward the first spring, and the first brake tooth is convex.
  • the angle between the upper and lower slopes of the corner and the angle bisector is 30 ° ⁇ 60 °.
  • the upper inclined surface of the shrapal alveolar of the rear elastic piece is at an angle of 45° with the bottom plane of the elastic alveolar groove, and the upper inclined surface of the rear brake tooth of the brake lever forms an angle of 45° with the bottom plane.
  • the shrapnel of the first shrapnel is an isosceles triangle, and the angle between the upper and lower slopes and the angle bisector is 45°; the first brake tooth of the brake lever faces the first shrapnel In the direction, the angle between the upper and lower slopes of the first brake tooth and the angle bisector is 45 °.
  • the angle between the pushing bevel of the front end of the key and the direction of key insertion is less than or equal to 45°.
  • Each of the above rear shrapnel is provided with at least two shrapnels arranged in parallel from top to bottom, the direction, size and angle of the shrapnel are the same; in the open state, on each rear shrapnel, one of them
  • the bottom plane of the shrapnel is in the same plane as the bottom plane of the rear brake teeth of the brake lever.
  • Each transition platform of the above-described key is parallel to each other and parallel to the axis of the lock cylinder.
  • the steps of opening and sealing the interlocking anti-theft lock are respectively:
  • the opening steps are as follows:
  • the opening process of the first shrapnel The key is pushed forward, and the pushing slope of the front end of the key completes the process of touching the key surface of the first key piece of the shrapnel from the top to the top of the first key piece of the shrapnel key hole by the transition platform, so that the first shrapnel is turned toward Lower displacement is turned on;
  • the key In the process of pulling the key, firstly, the key is removed from the key hole of the first piece of the spring piece, and the upper end of the first piece of spring piece enters the axial groove of the locking sleeve by the spring, and returns to the locking position to realize the first sealing without the linkage mode;
  • the invention provides a side-position linkage anti-theft lock head, which not only retains the mutual braking of the prior art shrapnel, the brake lever and the lock sleeve, but also performs the brake lever, the shrapnel and the key. Interacting with each other, the secondary opening and the secondary sealing realized by the linkage structure enable the technical opening to lose sight of each other and effectively improve the anti-theft performance of the lock; in the value engineering, the remaining functions such as the double brake lever are also avoided.
  • the design makes the structure effectively simplified. At the same time, the structure pays attention to the existing machining process.
  • the brake lever is installed on the side of the brake rod, and the brake lever is combined with the rear elastic piece and the first position of the spring piece to effectively make the rear.
  • the position of the shrapnel and the first shrapnel avoids the simultaneous cooperation with the brake rod and the shrapnel hole, which not only reduces the difficulty of the machining process of the lock cylinder, but also effectively reduces the processing of the brake lever and the rear spring shrapnel and the first shrapnel. Difficulty.
  • FIG. 1 is a first open assembly diagram of a non-coupling mode according to Embodiment 1 of the present invention.
  • Figure 2 is a cross-sectional view of Figure 1B-B.
  • Fig. 3 is a second open assembly diagram of the linkage mode according to the first embodiment of the present invention.
  • Fig. 4 is a front elevational view, partly in section, of the lock cylinder according to the first embodiment of the present invention.
  • Figure 5 is a cross-sectional view of Figure 4A-A.
  • Figure 6 is a plan view of a lock cylinder according to Embodiment 1 of the present invention.
  • Fig. 7 is a front elevational view, partly in section, of the brake lever according to the first embodiment of the present invention.
  • Figure 8 is a plan view of a brake lever according to Embodiment 1 of the present invention.
  • Figure 9 is a cross-sectional view of Figure 8D-D.
  • Figure 10 is a cross-sectional view of Figure 8C-C.
  • Figure 11 is a front elevational view of the front shrapnel of the first embodiment of the present invention.
  • Fig. 12 is a plan view showing the front piece of the elastic piece according to the first embodiment of the present invention.
  • Figure 13 is a left side sectional view of the front piece of the elastic film according to Embodiment 1 of the present invention.
  • Figure 14 is a cross-sectional view showing the final spring piece of the first embodiment of the present invention.
  • Figure 15 is a front cross-sectional view showing the lock sleeve of the first embodiment of the present invention.
  • Figure 16 is a cross-sectional view taken along line E-E of Figure 15.
  • Figure 17 is a front elevational view of a key according to Embodiment 1 of the present invention.
  • Fig. 18 is a view showing the assembly of the non-coupling mode once in the second embodiment of the present invention.
  • Figure 19 is a cross-sectional assembly view of Figure 18A-A.
  • Fig. 20 is a second open assembly drawing of the interlocking mode according to the second embodiment of the present invention.
  • Figure 21 is a partial cross-sectional view showing a lock cylinder according to a second embodiment of the present invention.
  • Figure 22 is a cross-sectional view of Figure 21C-C.
  • Figure 23 is a cross-sectional view of Figures 21D-D.
  • Figure 24 is a front elevational view of the rear position shrapnel of the second embodiment of the present invention.
  • Figure 25 is a left side view of the rear position piece of the second embodiment of the present invention.
  • Figure 26 is a front elevational view of the first shrapnel of the second embodiment of the present invention.
  • Figure 27 is a left side view of the first elastic piece of Embodiment 2 of the present invention.
  • Figure 28 is a front elevational view of the brake lever of Embodiment 2 of the present invention.
  • Figure 29 is a cross-sectional view of Figure 28B-B.
  • Figure 30 is a plan view of a brake lever according to Embodiment 2 of the present invention.
  • Figure 31 is a perspective view of a brake lever according to a second embodiment of the present invention.
  • Fig. 32 is a top view assembly view of Fig. 18 without linkage mode.
  • Fig. 33 is a plan view showing the secondary opening of the interlocking mode of Fig. 20;
  • Figure 34 is a front elevational view of the key of the second embodiment of the present invention.
  • the front end of the lock sleeve 16 is fitted with an end cover 3, and the end cover 3 is matched with the front end of the lock cylinder 2 by the interlocking anti-theft lock.
  • a lock cylinder groove 18 is provided in the upper portion of the lock cylinder in the axial direction in a clearance fit with the brake lever 19.
  • the end of the lock cylinder 2 is provided with a lock cylinder linkage end 12.
  • the lock cylinder linkage end 12 is provided with a coupling straight mouth 13 which is prepared to cooperate with the interlocking device of the lock body.
  • the lock cylinder is axially positioned by the lock cylinder shoulder 15 and the open retaining ring 23 on the retaining ring groove 11 at the end of the lock cylinder.
  • the front shrapnel 6 All of the shrapnel before the last shrapnel 9 are referred to as the front shrapnel 6.
  • the front elastic piece 6 and the last elastic piece 9 are installed in the elastic piece slot 26 of the lock core which are spaced apart in the axial direction, and the front elastic piece 6 and the last spring piece 9 are in clearance fit with the elastic piece slot 26 of the lock cylinder.
  • the key 1 is engaged with the bulkhead keyhole 27 of the lock cylinder, the front shrapnel keyhole and the last shrapnel keyhole 22.
  • a boss 5 is provided at the front end of the brake lever, which cooperates with the circumferential groove 4 or the lock groove 17 at the front end of the lock sleeve.
  • the end of the brake lever is provided with a brake end 32 which cooperates with a brake groove 10 at the bottom end of the lock sleeve.
  • the brake lever is provided with a front brake tooth 7 that meshes with the spring tooth groove of the front spring piece and a last brake tooth 8 that engages the spring tooth groove of the last spring piece.
  • Fig. 1 the state in which the front end of the key 1 and the contact surface 14 of the last elastic piece 9 are in contact with each other and the top pressure has not yet been entered is shown.
  • Fig. 3 the top pressure state of the front end of the key 1 and the contact surface 14 of the last elastic piece 9 is shown.
  • the upper part of the lock cylinder is provided with an open-shaped straight-mouth lock core groove 18, and the lock core groove is disposed along the axial direction of the lock core, and a longitudinally distributed elastic plate slot 26 is arranged along the bottom plane of the lock core groove, and the elastic plate slot is provided. It is perpendicular to the bottom plane of the lock cylinder. Between the shrapnel slot and the shrapnel slot is a partition 24, and a partition keyhole 27 is provided in the partition 24. The bulkhead keyhole 27 is in the same axial position as the front end keyhole 29 of the lock cylinder.
  • the coupling hole 28 and the coupling straight port 13 provided by the lock cylinder interlocking end 12 are prepared for linkage with the lock body, and the structure thereof varies with different lock types.
  • Spring holes 25 communicating with each other are symmetrically disposed on both sides of each of the spring slots 26, and a spring seat 30 is disposed below the spring holes.
  • One end of the brake tooth of the brake lever toward the last spring piece is formed by the upper inclined surface 31 and the lower inclined surface 33, and the angle between the upper inclined surface 31 and the lower inclined surface 33 is 30°. ⁇ 60°, the best angle is 45°.
  • the end of the brake lever is provided with a brake end 32 that cooperates with a detent groove at the bottom end of the lock sleeve.
  • the front end of the brake lever is provided with a boss 5 that cooperates with the recess of the lock sleeve and the circumferential groove of the lock sleeve.
  • At least one elastic tooth groove is arranged on the front side or the reverse side of each front piece, and the upper inclined surface 34 of the elastic groove of the front piece is intersected with the bottom plane 35 of the elastic groove of the front piece and has a right-angled triangle shape, and the elastic piece of the front piece
  • the slot orientation is the same as the key insertion direction.
  • the angle between the upper inclined surface of the elastic groove of the front piece and the bottom surface of the elastic tooth groove is 43° to 60°, preferably 45°.
  • the bottom plane of the shrapnel is parallel to the bottom plane of the brake lever.
  • At least one elastic alveolar groove is arranged on the front side or the reverse side of the last elastic piece, and the elastic alveolar groove of the last elastic piece is an isosceles triangle, and the upper and lower inclined surfaces 37 and 38 constitute an isosceles triangle, upper and lower
  • the angle between the two inclined faces and the angle bisector is 43 ° ⁇ 60 °, preferably 45 °.
  • the angle bisector of the upper and lower slopes is parallel to the bottom plane of the brake lever.
  • the orientation of the notch of the shrapnel of the last shrapnel is opposite to the direction in which the key is inserted.
  • the key portion is provided in the middle of the front elastic piece and the last spring piece, and the contact surfaces 36 and 14 of the lower bottom of the key hole are chamfered or arc-shaped, which facilitates key extraction.
  • a spring limiting seat 21 is symmetrically disposed on both sides of the elastic piece, and the spring in the spring hole is restricted by the spring seat with the lock core.
  • the upper and lower circular arc faces of the front and rear elastic pieces can be processed into a flat top shape to shorten the longitudinal height. It is also possible to process the curved surface of one of the upper and lower sides of the front and rear elastic pieces into a flat top shape to shorten the longitudinal height thereof in an appropriate amount.
  • Each of the front sprocket pieces is provided with at least two shrapnel teeth arranged uniformly from top to bottom, and the direction, size and angle of the shrapnel are the same; in the open state, on each front sprocket, wherein The bottom plane of a shrapnel is in the same plane as the bottom plane of the front brake teeth of the brake lever.
  • a brake end 32 which cooperates with the detent recess 10 at the bottom end of the lock sleeve.
  • the lock cylinder groove 17 is used for limiting the front spring piece and the rear position spring piece. When the front piece spring piece and the rear position piece piece are matched, the lock core is locked and cannot rotate.
  • the front end of the lock sleeve is provided with a circumferential groove 4 that cooperates with the boss 5 of the brake lever. When the brake end of the brake lever is disengaged from the brake groove, the front end of the brake lever is inserted into the circumferential groove by the sleeve groove, so that the lock cylinder can rotate.
  • the key 1 tooth is composed of a transition platform 39, 40, a push ramp 42 and a back pressure ramp 43.
  • the transition platform is connected with the push ramp and the back pressure ramp; the longitudinal advancement length of any transition platform is to satisfy other The height-advancing length of the contact surface of the keyhole of the top-loading shrapnel during the advancement of the transition platform; at least one backlash bevel in the entire key, the height of the back-slope bevel is equal to the height of the front brake tooth, or recursively The sum of the heights of the pressure ramps; the front end of the key is provided with a push ramp 41; the key is coded according to the height of the transition platform.
  • the front end of the key is a push ramp 41 that is less than or equal to 45°.
  • Each transition platform of the key is parallel to one another and parallel to the axis of the lock cylinder.
  • the front shrapnel opening process When the key 1 is pushed forward, when the push bevel 41 of the front end of the key touches the end of the shrapnel key hole touch surface 14, the front key piece 6 key hole contact surface is all under the key 1 transition platform 39, 40 top pressure open state, to achieve a front opening of the front piece 6 without linkage;
  • the key In the process of pulling the key 1, firstly, the key is removed from the key hole of the last piece 9 , and the upper end of the last piece of spring enters the locking groove 17 by the spring, and returns to the locking position to realize the first sealing without linkage mode; b.
  • the one or more front spring pieces are displaced downward by the back pressure inclined surface 43 of the key, and the front elastic piece 6 is displaced downward, and the elastic piece of the front piece is passed through the alveolar tooth groove.
  • the upper inclined surface presses the front brake tooth 7 on the brake lever to longitudinally displace the brake lever toward the bottom end of the lock sleeve, so that the brake end 32 of the brake lever cooperates with the brake groove 10 at the bottom end of the lock sleeve to realize The second sealing of the linkage mode; c. After the key is completely extracted, the upper end of the front elastic piece 6 enters the locking sleeve groove 17 by the spring, and completes the sealing without the linkage mode together with the last spring piece;
  • a side position interlocking anti-theft lock head comprises: a lock sleeve 104, wherein the lock sleeve comprises: an upper and lower symmetrical axial direction a groove 107, 112, a circumferential groove, and a brake groove at the front end of the lock sleeve; an end cover 102, which is fitted with the rear end of the lock sleeve; a lock core 103 whose outer diameter is matched with a corresponding inner diameter of the lock sleeve, the lock The core comprises: a set of axially spaced apart shrapnel slots 137, a partition 106 between the shrapnel slots, an axially formed brake lever chute 136, and a front and rear lock cylinder keyhole 138 The keyhole of the lock core cooperates with the key 101.
  • each slot of the spring is provided with a spring hole 118 communicating with the longitudinal direction, and a spring base 119 is disposed under the spring hole.
  • the front end of the lock core is provided with a lock core linkage end 109.
  • the lock cylinder cooperates with the lock sleeve 104 and the end cover 102 through the front shoulder 110 and the rear shoulder 111 to define the axial freedom of the lock cylinder.
  • the symmetry plane 114 of the brake lever chute 136 on the lock cylinder intersects the vertical lock core symmetry plane 115, and the symmetry plane 114 of the brake lever chute 136 is in the middle of the height of the spring slot hole, and the brake lever on the lock cylinder slides.
  • the slot is in communication with the slot of the spring of the lock cylinder; a first piece of spring 108 is matched with the slot of the foremost end (ie, the head end), and a set of rear spring pieces 105 are matched with the corresponding spring slot 137, and The axial grooves 107, 112 are clearance-fitted; the spring key holes 120 formed in the middle of the first elastic piece and the rear elastic piece; and each spring hole 118 has a spring 117 for controlling the rear position spring piece and the first position spring piece.
  • a spring is placed between the spring base 119 and the spring pressure seat 116.
  • At least one elastic tooth groove 121 is formed on the first elastic piece 108.
  • the elastic element groove 121 of the first elastic piece 108 is formed by the upper inclined surface 122 and the lower inclined surface 123, and is an isosceles triangle, and the upper and lower inclined surfaces and the angle bisector The angle is 45°.
  • the angle bisector of the upper bevel and the lower bevel is parallel to the bottom plane of the tab groove of the rear elastic piece, or is in the same plane.
  • the shrapnel 121 of the first shrapnel is formed in the middle of the upper and lower directions of the rear plane of the first shrapnel, and the rear plane of the first shrapnel is perpendicular to the symmetry plane 115 of the lock core, and the slot orientation of the shrapnel of the first shrapnel is assembled with the key insert. The direction of entry is reversed.
  • At least one elastic tooth groove 124 is formed on each of the rear elastic pieces 105.
  • Each of the rear elastic pieces is provided with at least two elastic alveolar grooves which are evenly arranged from top to bottom, and the direction, the size and the angle of the elastic teeth are the same.
  • the elastic tooth groove 124 of the rear elastic piece 105 is formed by the upper inclined surface 126 and the bottom surface 125 to form a right-angled triangle shape, and the upper inclined surface of the elastic tooth groove is at an angle of 45° with the bottom plane; the elastic teeth of the rear elastic piece are formed in the rear position.
  • the middle of the upper and lower directions of the front plane of the shrapnel The front plane of the rear shrapnel is perpendicular to the symmetry plane 115 of the lock cylinder, and the notch of the shrapnel of each rear shrapnel is fitted in the direction of the key insertion direction.
  • the brake lever 127 includes: a set of rear brake teeth 129 and a first brake tooth 130 distributed along the longitudinal direction thereof, and a boss 128 formed at the rear end of the brake lever, formed at the front end of the brake lever Brake end 131.
  • the first brake tooth on the brake lever is formed by an upper inclined surface 133 and a lower inclined surface 132, and is engaged with the elastic alveolar groove of the first elastic piece; the first brake tooth of the brake lever is oriented toward the first position Shrapnel direction.
  • the upper bevel 134 of the rear brake tooth at the rear of the brake lever forms an angle with the bottom plane 135 to engage the tab groove of the rear spring.
  • the upper inclined surface of the rear brake tooth of the brake lever forms an angle of 45 with the bottom plane.
  • the upper inclined surface of the first brake tooth of the brake lever and the angle between the lower inclined surface and the angle bisector are both 45 degrees.
  • the bottom plane of one of the shrapnels is in the same plane as the bottom plane of the rear brake teeth of the brake lever.
  • the brake lever 127 is matched with the brake lever chute, and a boss 128 is formed at the rear end of the brake lever to be in clearance with the circumferential groove 113.
  • the brake end 131 is formed at the front end of the brake lever.
  • a clearance fit is formed with the brake groove 139.
  • a key is matched with the keyhole of the rear shrapnel and the keyhole of the first shrapnel.
  • the key includes a key burr which is comprised of a transition platform 140, push ramps 141, 142 and a back pressure ramp 143.
  • the transition platform 140 is in transitional connection with the push ramp and the back pressure ramp.
  • the angle between the push ramp of the front end of the key and the key insertion direction is less than or equal to 45°.
  • Each transition platform of the key is parallel to one another and parallel to the axis of the lock cylinder.
  • a, rear spring shrapnel 105 opening process by the push of the key 101, the push bevel of the front end of the key 141 top touch the first spring shrapnel 108 when the key hole touches the pressure surface, the rear shrapnel key hole is pressed
  • the opening process of the first elastic piece 108 the key 101 continues to advance, and the pressing inclined surface 141 of the front end of the key completes the process of touching the touch surface of the first key piece of the elastic piece from the top to completely press the touch surface of the first key piece of the elastic piece by the transition platform, so that The first shrapnel is displaced downwards; c.
  • the key 101 is disengaged from the key hole of the first elastic piece 108, and the upper end of the first elastic piece enters the axial groove of the locking sleeve by the spring, and returns to the locking position to realize the first sealing without the linkage mode;

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Braking Arrangements (AREA)

Description

联动式防盗锁头 技术领域
本发明涉及一种防盗锁头, 尤指一种联动式启封防盗锁头。
背景技术
一种弹片式防盗锁(专利申请号: 200710160958.7,公开号: CN101196085 )。 它的开启和封缄方式是: 在钥匙的插入过程中, 通过钥匙的插入, 使锁头内的 弹片全部脱离锁定状态, 进入锁芯的旋转界面上, 但是此时锁芯并不因弹片脱 离锁定状态就能够旋转, 必须通过钥匙带动圆形控制片的转动, 使圆形控制片 推动导杆端部的凸台向后作轴向位移, 脱离锁套上的凹槽, 通过导杆上的导杆 制动齿与弹片的齿槽配合, 才能够使锁芯完全处于开启状态。 在钥匙的拔出过 程中, 首先通过钥匙归回到拔出的正位, 导杆依靠后端的弹簧向前作轴向移动, 使导杆上的导杆制动齿脱离弹片上的齿槽, 继而导杆上的凸台进入锁套上的凹 槽, 产生一次锁定, 这时的钥匙才能拔出。 钥匙依次拔弹片的钥匙孔后, 此时 的每个弹片因为脱离了与导杆制动齿的啮合, 依靠弹簧回到锁定位置, 这是二 次锁定。
所述的弹片式防盗锁虽然有卓越的防盗性能, 但是依然存在如下技术缺失:
1、 与传统的弹子锁和弹片锁相比, 虽然增加了二次锁定功能, 就弹片本身 而言, 与传统的弹片锁启封没有区别。 SP, 通过钥匙开启, 拔出钥匙的过程, 弹片依靠弹簧归回锁定位置, 或者依靠钥匙上的导槽归回锁定位置。
2、 由于弹片和导杆分别锁定,通过圆形控制片实现两者的啮合,但实质上, 两者各自执行自己的锁定功能, 两者之间只有被动的制动关系, 而没有通过联 动实现制动的关系。 这就是防盗技术上的薄弱环节, 会给技术性开启留下可操 控的空间。
3、 无论是传统的弹子、 弹片锁, 还是所述的弹片式防盗锁, 钥匙在开启和 封缄过程中, 仅扮演开启功能的角色。 通过钥匙联动实现二次封缄功能是进一 步提高锁头的防盗功能的又一待开发的技术领域。
4、 复杂的结构势必会提高模具费用和工艺加工难度, 从价值工程方面分析 也出现多处剩余功能。 如: 双导杆、 双导杆燕尾槽、 双头弹片齿槽、 双导杆复 位弹簧完全可以改为单导杆、 单导杆燕尾槽、 单头弹片齿槽、 单导杆复位弹簧。
发明内容
本发明的目的是提供一种联动式启封防盗锁头, 在锁头内部, 通过联动结 构实现的二次开启和二次封缄方式, 在进一步提高锁头的防盗性能同时, 避开 剩余功能, 简化其结构。
为实现上述目的, 本发明采用以下技术方案:
一种联动式防盗锁头, 包括锁套、 锁芯、 制动杆、 前弹片及其复位弹簧、 尾弹片及其复位弹簧和钥匙, 所述的前弹片和尾弹片与锁芯轴向分布的弹片槽 孔间隙配合, 所述的制动杆沿其锁芯的轴向安装, 制动杆上的制动齿牙与前弹 片和尾弹片的弹片牙槽啮合, 前弹片和尾弹片作为相对设置的移动凸轮, 制动 杆作为从动件, 锁芯作为机架构成移动凸轮机构, 前弹片和尾弹片的弹片牙槽 的制动齿牙联动啮合, 锁套上设置有与制动杆配合的制动凹槽。 在这种情况下 存在两种实施方式:
( 1 )、 前弹片是前位弹片, 尾弹片是末位弹片, 详细叙述为: 包括锁套、 锁芯、 制动杆、 前位弹片、 末位弹片、 钥匙, 在锁芯的轴线方向间隔分布有多 个弹片槽孔, 弹片中部设有钥匙孔, 弹片与锁芯的弹片槽孔间隙配合, 在锁芯 的上部沿轴线方向设有一与制动杆间隙配合的锁芯凹槽, 在所述的制动杆的前 端设有一凸台, 它与锁套前端的周向凹槽配合;
末位弹片之前的全部弹片为前位弹片, 在每个前位弹片的正面或者反面设 有至少一个弹片牙槽, 前位弹片的弹片牙槽由弹片牙槽的上斜面与弹片牙槽的 底平面构成夹角, 前位弹片的弹片牙槽的槽口朝向与钥匙插入方向一致; 在制 动杆的纵向间隔分布有与前位弹片的弹片牙槽啮合的前位制动齿牙;
在末位弹片的正面或者反面设有至少一个弹片牙槽, 末位弹片的弹片牙槽 由上斜面和下斜面构成夹角, 末位弹片的弹片牙槽的槽口的朝向与钥匙插入方 向相反, 制动杆上设有末位制动齿牙; 所述的末位制动齿牙的一端的形状与前 位制动齿牙相同, 与邻近的前位弹片的弹片牙槽啮合, 另一端由上斜面和下斜 面构成凸角, 与末位弹片的弹片牙槽啮合;
在上述的制动杆的末位设有一制动端, 它与锁套底端的制动凹槽配合; 上述的钥匙牙花是由过渡平台、 推压斜面和回压斜面构成, 过渡平台与推 压斜面和回压斜面过渡连接; 任何一个过渡平台的纵向推进长度要满足其它过 渡平台推进过程中顶压弹片钥匙孔的触压面的等高推进长度; 整个钥匙中, 至 少有一个回压斜面, 回压斜面的高度等于前位制动齿牙的高度, 或递进回压斜 面的高度之和; 钥匙的前端设有推压斜面; 钥匙按照过渡平台的高度进行编码。
上述的前位弹片的弹片牙槽由上斜面与弹片牙槽的底平面构成直角三角 状; 所述的前位制动齿牙的横向宽度大于或等于弹片的横向宽度, 前位制动齿 牙的上斜面与制动杆的底平面构成夹角; 所述的末位弹片的弹片牙槽为等腰三 角状, 它的上斜面和下斜面以角平分线对称, 该角平分线与制动杆的底平面平 行。
上述的前位弹片的弹片牙槽的上斜面与弹片牙槽的底平面的夹角为 43 ° 〜 60° , 上述的前位制动齿牙的上斜面与制动杆的底平面构成的夹角为 30° 〜60 ° , 制动杆底平面与弹片牙槽的底平面平行; 上述的末位弹片的弹片牙槽呈等 腰三角形, 它的上、 下两个斜面与角平分线的夹角均为 43 ° 〜60° ; 上述的制 动杆的末位制动齿牙朝向前位弹片方向的一端的上斜面与底平面的夹角为 30 ° 〜60 ° , 所述的制动杆的末位制动齿牙朝向末位弹片方向的一端的构成凸角 的上、 下两个斜面与角平分线的夹角均为 30° 〜60° 。
上述的前位弹片的弹片牙槽的上斜面与弹片牙槽底平面夹角呈 45°, 上述的 制动杆的前位制动齿牙的上斜面与制动杆的底平面构成的夹角为 45°; 所述的末 位弹片的弹片牙槽呈等腰三角形, 它的上、 下两个斜面与角平分线的夹角均为 45°; 所述的制动杆的末位制动齿牙朝向前位弹片方向的一端的上斜面与底平面 的夹角为 45°, 所述的制动杆的末位制动齿牙朝向末位弹片方向的一端的构成凸 角的上、 下两个斜面与角平分线的夹角均为 45°。
钥匙的前端为小于或等于 45°的推压斜面。
上述的每个前位弹片设有至少 2个自上而下平行均匀排布的弹片牙槽, 弹 片牙槽的方向、 大小、 角度相同; 在开启状态, 在每个前位弹片上, 其中一个 弹片牙槽的底平面与制动杆的前位制动齿牙的底平面处于同一平面。
上述的钥匙的每一个过渡平台相互平行, 并与锁芯的轴线平行。
在该种技术实施方式下, 联动式防盗锁头的开启和封缄步骤分别是: 开启步骤如下:
a、 前位弹片开启过程: 由钥匙的推进, 钥匙前端的推压斜面顶触末位弹片 钥匙孔触压面时, 前位弹片钥匙孔触压面全部处于被钥匙过渡平台顶压的开启 状态, 实现前位弹片无联动方式的一次开启;
b、 末位弹片开启过程: 由钥匙继续推进, 钥匙前端的推压斜面完成自顶触 末位弹片钥匙孔触压面到由过渡平台完全顶压末位弹片钥匙孔触压面的过程, 使末位弹片向下位移开启;
c、 制动杆开启过程: 同时利用末位弹片的位移, 末位弹片的弹片牙槽的上 斜面相当于移动凸轮的凸块, 该移动凸轮的凸块向下顶压制动杆的末位制动齿 牙的凸角的上斜面, 通过斜面推动制动杆向前位弹片方向移动, 使制动杆的制 动端脱离与锁套底端的制动凹槽的配合, 实现联动方式的二次开启;
d、 与此同时, 随着制动杆向前位弹片方向位移, 使制动杆的前位制动齿牙 与前位弹片的弹片牙槽啮合; 封缄步骤如下:
a、 在抽拉钥匙的过程中, 首先使钥匙脱离末位弹片的钥匙孔, 末位弹片上 端依靠弹簧进入锁套凹槽, 回到锁定位置, 实现无联动方式的一次封缄;
b、 在抽拉钥匙的过程中, 通过钥匙的回压斜面带动其中一个或几个前位弹 片向下位移, 前位弹片向下位移的同时, 通过前位弹片的弹片牙槽的上斜面相 当于移动凸轮的凸块, 该移动凸轮的凸块顶压制动杆上的前位制动齿牙, 使制 动杆向锁套底端纵向位移, 使制动杆的制动端与锁套底端的制动凹槽配合, 实 现联动方式的二次封缄;
c、 钥匙完全抽出后, 前位弹片上端依靠弹簧进入锁套凹槽, 与末位弹片一 起完成无联动方式的一次封缄;
d、 制动杆进入制动凹槽位置后, 制动杆的末位制动齿牙的凸角与末位弹片 的弹片牙槽啮合。
在无钥匙状态下, 使用技术性开启的分析:
1、 挑压前位弹片, 一定要依靠摩擦力才能够逐一完成每一个前位弹片进入 开启位置。 前位弹片与锁芯的摩擦力, 是依靠锁芯的转角给前位弹片的压力所 产生的。 锁芯由于被制动杆的制动端与制动凹槽的配合封缄而不能够转动, 因 此锁芯和前位弹片不能够产生摩擦力, 挑压前位弹片, 结果还是导致每个弹片 依靠弹簧又回到锁定状态。
2、 挑压末位弹片, 导致制动杆向前位弹片方向位移, 使制动杆上的前位制 动齿牙进入前位弹片的弹片牙槽中, 此时的末位弹片虽然打开, 前位弹片却被 前卫制动齿牙锁定。
3、此时,如果放松对末位弹片的控制,末位弹片依靠弹簧又回到锁定位置, 返回再挑压前位弹片, 又致使制动杆的制动端回到制动凹槽的位置, 锁芯还是 不能旋转。
4、 如果不放松末位弹片的控制, 再挑压前位弹片, 由于前位制动齿与前位 弹片的弹片牙槽啮合, 此时的制动杆被末位弹片阻挡, 所以无法挑压前位弹片 作纵向移动, 前位弹片依然处于锁定位置。
本发明所提供一种联动式启封防盗锁头, 在锁头内部, 不仅保留了现有技 术的弹片、 制动杆和锁套的相互制动, 而且进行了制动杆、 弹片、 钥匙的相互 联动, 通过这个联动结构实现的二次开启和二次封缄, 使技术性开启顾此失彼、 有效地提高了锁头的防盗性能。 在价值工程上, 也避开剩余功能的设计, 使结 构得到有效简化。
(2) 前弹片是后位弹片, 尾弹片是首位弹片, 详细叙述为: 一锁套, 该锁 套包含有: 上下对称的轴向凹槽, 周向凹槽, 及锁套前端的制动凹槽; 一锁芯, 其外径与锁套相应内径间隙配合, 该锁芯包含有: 一组沿轴向间隔分布的弹片 槽孔, 一沿轴向形成的制动杆滑槽, 及一贯穿前后的锁芯钥匙孔; 一制动杆, 与所述的制动杆滑槽间隙配合, 该制动杆包含有: 一组沿其纵向间隔分布的后 位制动齿牙和首位制动齿牙, 在制动杆后端形成一凸台, 与所述的周向凹槽间 隙配合, 在制动杆前端形成制动端与所述的制动凹槽间隙配合; 一组后位弹片, 与弹片槽孔间隙配合, 并与所述的轴向凹槽间隙配合, 该后位弹片包含有: 中 部形成的弹片钥匙孔, 在每个后位弹片上形成至少一个弹片牙槽; 一首位弹片, 与弹片槽孔间隙配合, 并与所述的轴向凹槽间隙配合, 该首位弹片包含有: 中 部形成的弹片钥匙孔, 在首位弹片上形成至少一个弹片牙槽; 一钥匙, 与后位 弹片的钥匙孔和首位弹片的钥匙孔配合, 该钥匙包含有钥匙牙花, 钥匙牙花是 由过渡平台、 推压斜面和回压斜面构成, 过渡平台与推压斜面和回压斜面过渡 连接;
锁芯上制动杆滑槽的对称面与锁芯的垂直对称面相交, 且制动杆滑槽的对 称面处于弹片槽孔高度的中部, 锁芯上的制动杆滑槽与锁芯的弹片槽孔相通; 后位弹片的弹片牙槽, 系形成在后位弹片的前平面的上下方位的中部, 所 述的后位弹片的弹片牙槽由上斜面和底平面构成直角三角状; 后位弹片的前平 面垂直于锁芯对称面, 后位弹片的弹片牙槽的槽口装配朝向与钥匙插入方向一 致, 制动杆的后位制动齿牙的上斜面与底平面构成夹角, 制动杆后部的后位制 动齿牙与后位弹片的弹片牙槽离合;
首位弹片的弹片牙槽, 系形成在首位弹片的后平面的上下方位的中部, 首 位弹片的弹片牙槽由上斜面和下斜面构成夹角, 首位弹片的后平面垂直于锁芯 对称面, 首位弹片的弹片牙槽的槽口装配朝向与钥匙插入方向相反, 所述的制 动杆上的首位制动齿牙由上斜面和下斜面构成凸角, 制动杆的首位制动齿牙与 首位弹片的弹片牙槽离合。
上述的首位弹片的弹片牙槽为等腰三角状, 它的上斜面和下斜面以角平分 线对称; 该上斜面和下斜面的角平分线与后位弹片的弹片牙槽的底平面平行, 或同处一平面上。
上述后位弹片的弹片牙槽的上斜面与弹片牙槽的底平面的夹角为 43 ° 〜60 ° , 后位制动齿牙的上斜面与后位制动齿牙的底平面构成的夹角为 30 。 〜60 ° , 制动齿牙的底平面与后位弹片的弹片牙槽的底平面平行; 所述的首位弹片 的弹片牙槽呈等腰三角形, 它的上、 下两个斜面与角平分线的夹角均为 43 ° 〜 60° ; 所述的制动杆的首位制动齿牙朝向首位弹片方向, 首位制动齿牙构成凸 角的上、 下两个斜面与角平分线的夹角均为 30 ° 〜60 ° 。
上述的后位弹片的弹片牙槽的上斜面与弹片牙槽底平面夹角呈 45 ° , 所述 的制动杆的后位制动齿牙的上斜面与底平面构成的夹角为 45 ° ; 所述的首位弹 片的弹片牙槽呈等腰三角形, 它的上、下两个斜面与角平分线的夹角均为 45 ° ; 所述的制动杆的首位制动齿牙朝向首位弹片方向, 首位制动齿牙的上、 下两个 斜面与角平分线的夹角均为 45 ° 。
钥匙的前端的推压斜面与钥匙插入方向的夹角小于或等于 45°。
上述的每个后位弹片设有至少 2个自上而下平行均匀排布的弹片牙槽, 弹 片牙槽的方向、 大小、 角度相同; 在开启状态, 在每个后位弹片上, 其中一个 弹片牙槽的底平面与制动杆的后位制动齿牙的底平面处于同一平面。
上述的钥匙的每一个过渡平台相互平行, 并与锁芯的轴线平行。
在该种技术实施方式下, 联动式防盗锁头的开启和封缄步骤分别是: 开启步骤如下:
a、 后位弹片开启过程: 由钥匙的推进, 钥匙前端的推压斜面顶触首位弹片 钥匙孔触压面时, 后位弹片钥匙孔触压面全部处于被钥匙过渡平台顶压的开启 状态, 实现后位弹片无联动方式的一次开启;
b、 首位弹片开启过程: 由钥匙继续推进, 钥匙前端的推压斜面完成自顶触 首位弹片钥匙孔触压面到由过渡平台完全顶压首位弹片钥匙孔触压面的过程, 使首位弹片向下位移开启;
c、 制动杆开启过程: 同时利用首位弹片的纵向位移, 首位弹片的弹片牙槽 的上斜面相当于移动凸轮的凸块, 该移动凸轮的凸块向下顶压制动杆的首位制 动齿牙的凸角的上斜面, 通过斜面推动制动杆向后位弹片方向移动, 使制动杆 的制动端脱离与锁套底端的制动凹槽的配合, 实现联动方式的二次开启;
d、 与此同时, 随着制动杆向后位弹片方向位移, 使制动杆的后位制动齿牙 与后位弹片的弹片牙槽啮合;
封缄步骤如下:
a、 在抽拉钥匙的过程中, 首先使钥匙脱离首位弹片的钥匙孔, 首位弹片上 端依靠弹簧进入锁套的轴向凹槽, 回到锁定位置, 实现无联动方式的一次封缄;
b、 在抽拉钥匙的过程中, 通过钥匙的回压斜面带动其中一个或几个后位弹 片向下位移, 后位弹片向下位移的同时, 通过后位弹片的弹片牙槽的上斜面相 当于移动凸轮的凸块, 该移动凸轮的凸块顶压制动杆上的后位制动齿牙, 使制 动杆向锁套前端纵向位移, 使制动杆的制动端与锁套前端的制动凹槽配合, 实 现联动方式的二次封缄; c、 钥匙完全抽出后, 后位弹片上端依靠弹簧进入轴向凹槽, 与首位弹片一 起完成无联动方式的一次封缄;
d、 制动杆进入制动凹槽位置后, 制动杆的首位制动齿牙的凸角与首位弹片 的弹片牙槽啮合。
在无钥匙状态下, 使用技术性开启的分析:
1、 挑压前位弹片, 一定要依靠摩擦力才能够逐一完成每一个后位弹片进入 开启位置。 后位弹片与锁芯的摩擦力, 是依靠锁芯的转角给后位弹片的压力所 产生的。 锁芯由于被制动杆的制动端与制动凹槽的配合封缄而不能够转动, 因 此锁芯和后位弹片不能够产生摩擦力, 挑压后位弹片, 结果还是导致每个弹片 依靠弹簧又回到锁定状态。
2、 挑压首位弹片, 导致制动杆向后位弹片方向位移, 使制动杆上的后位制 动齿牙进入后位弹片的弹片牙槽中, 此时的首位弹片虽然打开, 后位弹片却被 后位制动齿牙锁定。
3、此时,如果放松对首位弹片的控制, 首位弹片依靠弹簧又回到锁定位置, 返回再挑压后位弹片, 又致使制动杆的制动端回到制动凹槽的位置, 锁芯还是 不能旋转。
4、 如果不放松首位弹片的控制, 再挑压后位弹片, 由于后位制动齿与后位 弹片的弹片牙槽啮合, 此时的制动杆被首位弹片阻挡, 所以无法挑压后位弹片 作纵向移动, 后位弹片依然处于锁定位置。
本发明所提供一种侧位联动式防盗锁头, 在锁头内部, 不仅保留了现有技 术的弹片、 制动杆和锁套的相互制动, 而且进行了制动杆、 弹片、 钥匙的相互 联动, 通过这个联动结构实现的二次开启和二次封缄, 使技术性开启顾此失彼、 有效地提高了锁头的防盗性能; 在价值工程上, 也避开了如双制动杆的剩余功 能的设计, 使结构得到有效简化; 同时在结构上尤注意与现有加工工艺的吻合, 采用制动杆侧位安装、 使制动杆与后位弹片和首位弹片侧位联动, 有效地使后 位弹片和首位弹片避开与制动杆和弹片槽孔的同时配合的现状, 这样不仅降低 了锁芯的加工工艺难度, 同时也有效地降低了制动杆和后位弹片和首位弹片的 加工难度。
附图说明
图 1为本发明实施例 1的无联动方式一次开启装配图。
图 2为 图 1B-B的剖视图。
图 3为本发明实施例 1的联动方式二次开启装配图。
图 4为本发明实施例 1的锁芯全剖主视图。 图 5为 图 4A-A剖视图。
图 6为本发明实施例 1的锁芯俯视图。
图 7为本发明实施例 1的制动杆全剖主视图。
图 8为本发明实施例 1的制动杆俯视图。
图 9为 图 8D-D剖视图。
图 10为图 8C-C剖视图。
图 11为本发明实施例 1的前位弹片主视图。
图 12为本发明实施例 1的前位弹片俯视图。
图 13为本发明实施例 1的前位弹片左视剖视图。
图 14为本发明实施例 1的末位弹片剖视图。
图 15为本发明实施例 1的锁套主视剖视图。
图 16为 图 15 E-E剖视图。
图 17为本发明实施例 1的钥匙主视图。
图 18为本发明实施例 2的无联动方式一次开启装配图。
图 19为 图 18 A-A的剖视装配图。
图 20为本发明实施例 2的联动方式二次开启装配图。
图 21为本发明实施例 2的锁芯局部剖视图。
图 22为 图 21C-C的剖视图。
图 23为 图 21D-D的剖视图。
图 24为本发明实施例 2的后位弹片主视图。
图 25为本发明实施例 2的后位弹片左视图。
图 26为本发明实施例 2的首位弹片主视图。
图 27为本发明实施例 2的首位弹片左视图。
图 28为本发明实施例 2的制动杆主视图。
图 29为图 28B-B的剖视图。
图 30为本发明实施例 2的制动杆俯视图。
图 31为本发明实施例 2的制动杆立体图。
图 32为图 18无联动方式一次开启俯视装配图。
图 33为图 20的联动方式二次开启俯视装配图。
图 34为本发明实施例 2的钥匙主视图。
1钥匙 2锁芯 3端盖 4周向凹槽 5凸台 6前位弹片 前位制动齿牙 8末位制动齿牙 9末位弹片 10制动凹槽
11挡圈槽 12锁芯联动端 13联轴直口 14触压面 15锁芯轴肩 16锁套 17锁套凹槽 18锁芯凹槽
19 制动杆 20弹簧 21弹簧限位座 22钥匙孔
23开口挡圈 24隔板 25弹簧孔 26弹片槽孔
27隔板钥匙孔 28联轴孔 29锁芯前端钥匙孔 30弹簧座
31末位制动齿牙上斜面 32制动端 33末位制动齿牙下斜面
34 前位弹片的弹片牙槽上斜面 35 前位弹片的弹片牙槽底平面 36触压面 37末位弹片的弹片牙槽上斜面 38末位弹片的弹片牙槽下斜面 39过渡平台 40过渡平台 41推压斜面 42推压斜面 43回压斜面 101钥匙 102端盖 103锁芯 104锁套 105后位弹片
106隔板 107轴向凹槽 108首位弹片 109锁芯联动端
110前轴肩 111后轴肩 112轴向凹槽 113周向凹槽
114制动杆滑槽对称面 115锁芯对称面 116弹簧压座
117弹簧 118弹簧孔 119 弹簧底座 120弹片钥匙孔
121首位弹片的弹片牙槽 122首位弹片的弹片牙槽上斜面
123首位弹片的弹片牙槽下斜面 124后位弹片的弹片牙槽
125 后位弹片的弹片牙槽底平面 126 后位弹片的弹片牙槽上斜面 127制动杆 128制动杆凸台 129后位制动齿牙 130首位制动齿牙 131 制动端 132首位制动齿牙下斜面 133首位制动齿牙上斜面
134后位制动齿牙上斜面 135后位制动齿牙底平面 136制动杆滑槽 137 弹片槽孔 138锁芯钥匙孔 139制动凹槽 140过渡平台
141推压斜面 142推压斜面 143回压斜面
具体实施方式
实施例 1
如图 1、 图 2、 图 3所示。 所述的联动式启封防盗锁头, 锁套 16的前端配 合安装有端盖 3, 端盖 3与锁芯 2的前端间隙配合。在锁芯的上部沿轴线方向设 有一与制动杆 19间隙配合的锁芯凹槽 18。 锁芯 2的末端设有锁芯联动端 12。 锁芯联动端 12设有联轴直口 13, 预备它与锁体的联动装置配合。锁芯通过锁芯 轴肩 15和锁芯末端的挡圈槽 11上的开口挡圈 23做轴向定位。 末位弹片 9之前 的全部弹片都称为前位弹片 6。前位弹片 6和末位弹片 9安装在锁芯的轴线方向 间隔分布的弹片槽孔 26里, 前位弹片 6和末位弹片 9与锁芯的弹片槽孔 26间 隙配合。 钥匙 1与锁芯的隔板钥匙孔 27、 前位弹片钥匙孔和末位弹片钥匙孔 22 配合。在所述的制动杆的前端设有一凸台 5, 它与锁套前端的周向凹槽 4或锁套 凹槽 17配合。制动杆的末端设有制动端 32, 它与锁套底端的制动凹槽 10配合。 制动杆上设有与前位弹片的弹片牙槽啮合的前位制动齿牙 7和末位弹片的弹片 牙槽啮合的末位制动齿牙 8。 图 1中, 显示了钥匙 1的前端与末位弹片 9的触压 面 14顶触、 尚未进入顶压的状态。 图 3中, 显示了钥匙 1的前端与末位弹片 9 的触压面 14的顶压状态。
如图 4、 图 5、 图 6所示。 锁芯的上部设有开口状的直口锁芯凹槽 18, 锁芯 凹槽沿锁芯轴线方向设置, 沿锁芯凹槽的底平面纵向设有间隔分布的弹片槽孔 26, 弹片槽孔与锁芯底平面垂直。 弹片槽孔与弹片槽孔之间为隔板 24, 在隔板 24上设有隔板钥匙孔 27。 隔板钥匙孔 27与锁芯前端钥匙孔 29处于同一轴线位 置。 锁芯联动端 12设有的联轴孔 28、 联轴直口 13, 是为与锁体联动预备的, 其结构随不同的锁型而变化。 在每个弹片槽孔 26的两侧对称设有与之相通的弹 簧孔 25, 弹簧孔下方设有弹簧座 30。
如图 7、 图 8、 图 9、 图 10所示。 在制动杆 19的纵向间隔分布有与相应的 前位弹片的弹片牙槽啮合的前位制动齿牙 7,前位制动齿牙 7的横向宽度大于前 位弹片和末位弹片的横向宽度, 前位制动齿牙的上斜面与制动杆的底平面构成 30°〜60°的夹角, 最佳角度为 45 °。 制动杆底平面与弹片牙槽的底平面平行。 制动杆上设有末位制动齿牙 8。所述的制动杆的末位制动齿牙朝向前位弹片方向 的一端的上斜面与底平面的夹角为 30°〜60°, 最佳为 45 °。 所述的制动杆的末 位制动齿牙朝向末位弹片方向的一端由上斜面 31和下斜面 33构成凸角, 上斜 面 31和下斜面 33的角平分线的夹角均为 30°〜60°, 最佳角度为 45°。 制动杆 的末端设有与锁套底端的制动凹槽配合的制动端 32。 制动杆的前端设有与锁套 凹槽及锁套的周向凹槽配合的凸台 5。
如图 11、 图 12、 图 13、 图 14所示。 在每个前位弹片的正面或者反面设有 至少一个弹片牙槽, 前位弹片的弹片牙槽的上斜面 34 与弹片牙槽的底平面 35 相交呈直角三角状, 前位弹片的弹片牙槽的槽口朝向与钥匙插入方向一致。 所 述的前位弹片的弹片牙槽的上斜面与弹片牙槽的底平面的夹角为 43°〜60°, 最 佳为 45°。弹片牙槽的底平面与制动杆的底平面平行。在末位弹片的正面或者反 面设有至少一个弹片牙槽, 所述的末位弹片的弹片牙槽呈等腰三角形, 它的上、 下两个斜面 37、 38构成等腰三角形, 上、 下两个斜面与角平分线的夹角均为 43 °〜60°, 最佳为 45°。 上、 下两个斜面的角平分线与制动杆的底平面平行。 末位 弹片的弹片牙槽的槽口的朝向与钥匙插入方向相反。 前位弹片和末位弹片的中 部设有钥匙孔, 钥匙孔的下底的触压面 36、 14的剖面呈倒角状或圆弧状, 便于 钥匙抽拉。 弹片两侧对称设有弹簧限位座 21, 通过它与锁芯的弹簧座将弹簧孔 内的弹簧限位。 为了使前位弹片和后位弹片在锁套内上下有较大的位移空间, 可以将前位弹片和后位弹片的上、 下圆弧面加工成平顶状, 缩短纵向高度。 也 可以将前位弹片和后位弹片的上下其中之一的弧面加工成平顶状, 以适量缩短 其纵向高度。
所述的每个前位弹片设有至少 2个自上而下平行均匀排布的弹片牙槽, 弹 片牙槽的方向、 大小、 角度相同; 在开启状态, 在每个前位弹片上, 其中一个 弹片牙槽的底平面与制动杆的前位制动齿牙的底平面处于同一平面。
如图 15、 图 16所示。 在所述的制动杆的末位设有一制动端 32, 它与锁套 底端的制动凹槽 10配合。 锁芯凹槽 17是用于限位前位弹片和后位弹片的, 当 与前位弹片和后位弹片配合时, 锁芯即被锁定, 不能发生转动。 锁套前端设有 与制动杆的凸台 5配合的周向凹槽 4。 当制动杆的制动端脱离制动凹槽后, 制动 杆的前端由锁套凹槽进入周向凹槽, 即可使锁芯发生转动。
如图 17所示。 所述的钥匙 1牙花是由过渡平台 39、 40、 推压斜面 42和回 压斜面 43构成, 过渡平台与推压斜面和回压斜面过渡连接; 任何一个过渡平台 的纵向推进长度要满足其它过渡平台推进过程中顶压弹片钥匙孔的触压面的等 高推进长度; 整个钥匙中, 至少有一个回压斜面, 回压斜面的高度等于前位制 动齿牙的高度, 或递进回压斜面的高度之和; 钥匙的前端设有推压斜面 41 ; 钥 匙按照过渡平台的高度进行编码。 钥匙的前端为小于或等于 45°的推压斜面 41。 所述的钥匙的每一个过渡平台相互平行, 并与锁芯的轴线平行。
如图 1、 图 3、 图 17所示。
它的开启和封缄步骤分别是:
开启步骤如下:
a、 前位弹片开启过程: 由钥匙 1 的推进, 钥匙前端的推压斜面 41顶触末 位弹片钥匙孔触压面 14时, 前位弹片 6钥匙孔触压面全部处于被钥匙 1过渡平 台 39、 40顶压的开启状态, 实现前位弹片 6无联动方式的一次开启;
b、 末位弹片开启过程: 由钥匙 1继续推进, 钥匙前端的推压斜面 41完成 自顶触末位弹片钥匙孔触压面 14到由过渡平台完全顶压末位弹片 9钥匙孔触压 面 14的过程, 使末位弹片向下位移开启;
c、 制动杆开启过程: 同时利用末位弹片 9的位移, 末位弹片的弹片牙槽的 上斜面向下顶压制动杆的末位制动齿牙 8 的凸角的上斜面, 通过斜面推动制动 杆向前位弹片 6方向移动,使制动杆的制动端 32脱离与锁套底端的制动凹槽 10 的配合, 实现联动方式的二次开启;
d、 与此同时, 随着制动杆向前位弹片 6方向位移, 使制动杆的前位制动齿 牙 7与前位弹片的弹片牙槽啮合; 封缄步骤如下:
a、 在抽拉钥匙 1的过程中, 首先使钥匙脱离末位弹片 9的钥匙孔, 末位弹 片上端依靠弹簧进入锁套凹槽 17, 回到锁定位置, 实现无联动方式的一次封缄; b、 在抽拉钥匙 1 的过程中, 通过钥匙的回压斜面 43带动其中一个或几个 前位弹片向下位移, 前位弹片 6 向下位移的同时, 通过前位弹片的弹片牙槽的 上斜面顶压制动杆上的前位制动齿牙 7, 使制动杆向锁套底端纵向位移, 使制动 杆的制动端 32与锁套底端的制动凹槽 10配合, 实现联动方式的二次封缄; c、 钥匙完全抽出后, 前位弹片 6上端依靠弹簧进入锁套凹槽 17, 与末位弹 片一起完成无联动方式的一次封缄;
d、 制动杆进入制动凹槽位置后, 制动杆的末位制动齿牙的凸角与末位弹片 的弹片牙槽啮合。
实施例 2
如图 18、 图 19、 图 20、 21、 图 22、 图 23所示, 一种侧位联动式防盗锁头, 系包含有: 一锁套 104, 该锁套包含有: 上下对称的轴向凹槽 107、 112, 周向 凹槽, 及锁套前端的制动凹槽; 一端盖 102, 它与锁套后端配合安装; 一锁芯 103, 其外径与锁套相应内径间隙配合, 该锁芯包含有: 一组沿轴向间隔分布的 弹片槽孔 137, 弹片槽孔之间的隔板 106, 一沿轴向形成的制动杆滑槽 136, 及 一贯穿前后的锁芯钥匙孔 138, 该锁芯钥匙孔与钥匙 101配合, 每个弹片槽孔的 同一侧设有与之纵向相通的弹簧孔 118, 弹簧孔下方设有弹簧底座 119; 锁芯的 前端设有锁芯联动端 109; 锁芯通过前轴肩 110、 后轴肩 111与锁套 104和端盖 102配合, 限定锁芯的轴向自由度。锁芯上制动杆滑槽 136的对称面 114与垂直 的锁芯对称面 115相交, 且制动杆滑槽 136的对称面 114处于弹片槽孔高度的 中部, 锁芯上的制动杆滑槽与锁芯的弹片槽孔相通; 一首位弹片 108, 与最前端 (即首端) 的弹片槽孔间隙配合, 一组后位弹片 105, 其与相应的弹片槽孔 137 间隙配合, 并与所述的轴向凹槽 107、 112间隙配合; 首位弹片和后位弹片的中 部形成的弹片钥匙孔 120;在所述的每个弹簧孔 118内置有控制后位弹片和首位 弹片的弹簧 117, 弹簧置于弹簧底座 119与弹簧压座 116之间。
如图 24、 图 25、 图 26、 图 27所示。 在首位弹片 108上形成至少一个弹片 牙槽 121, 首位弹片 108的弹片牙槽 121由上斜面 122和下斜面 123构成夹角, 呈等腰三角形, 它的上、 下两个斜面与角平分线的夹角均为 45°。 该上斜面和下 斜面的角平分线与后位弹片的弹片牙槽的底平面平行, 或同处一平面上。 首位 弹片的弹片牙槽 121, 系形成在首位弹片的后平面的上下方位的中部, 首位弹片 的后平面垂直于锁芯对称面 115,首位弹片的弹片牙槽的槽口装配朝向与钥匙插 入方向相反。
在每个后位弹片 105上形成至少一个弹片牙槽 124,每个后位弹片设有至少 2个自上而下平行均匀排布的弹片牙槽, 弹片牙槽的方向、 大小、 角度相同。 后 位弹片 105的弹片牙槽 124由上斜面 126和底平面 125构成直角三角状, 弹片 牙槽的上斜面与底平面夹角呈 45° ; 后位弹片的弹片牙槽, 系形成在后位弹片的 前平面的上下方位的中部。后位弹片的前平面垂直于锁芯对称面 115, 每个后位 弹片的弹片牙槽的槽口装配朝向与钥匙插入方向一致。
如图 28、 图 29、 图 30、 图 31所示。 所述制动杆 127包含有: 一组沿其纵 向间隔分布的后位制动齿牙 129和首位制动齿牙 130,在制动杆后端形成一凸台 128, 在制动杆前端形成制动端 131。 所述的制动杆上的首位制动齿牙, 是由上 斜面 133和下斜面 132构成凸角, 与首位弹片的弹片牙槽啮合; 所述的制动杆 的首位制动齿牙朝向首位弹片方向。 制动杆后部的后位制动齿牙的上斜面 134 与底平面 135 构成夹角, 与后位弹片的弹片牙槽啮合。 所述的制动杆的后位制 动齿牙的上斜面与底平面构成的夹角为 45°。所述的制动杆的首位制动齿牙的上 斜面与下斜面与角平分线的夹角均为 45°。在开启状态, 在每个后位弹片上, 其 中一个弹片牙槽的底平面与制动杆的后位制动齿牙的底平面处于同一平面。
如图 32、 图 33所示。 制动杆 127与所述的制动杆滑槽间隙配合, 在制动杆 后端形成一凸台 128, 与所述的周向凹槽 113间隙配合;, 在制动杆前端形成制 动端 131, 与所述的制动凹槽 139间隙配合。
如图 34所示。 一钥匙, 与后位弹片的钥匙孔及首位弹片的钥匙孔配合。 该 钥匙包含有钥匙牙花, 钥匙牙花是由过渡平台 140、 推压斜面 141、 142和回压 斜面 143构成。 过渡平台 140与推压斜面和回压斜面过渡连接。 钥匙的前端的 推压斜面与钥匙插入方向的夹角小于或等于 45°。所述的钥匙的每一个过渡平台 相互平行, 并与锁芯的轴线平行。
如图 18、 图 32和图 20、 图 33所示。 它的开启和封缄步骤分别是: 一、 开启步骤如下:
a、 后位弹片 105开启过程: 由钥匙 101的推进, 钥匙前端的推压斜面 141 顶触首位弹片 108钥匙孔触压面时, 后位弹片钥匙孔触压
面全部处于被钥匙过渡平台 140顶压的开启状态, 实现后位弹片无联动方 式的一次开启;
b、首位弹片 108开启过程: 由钥匙 101继续推进,钥匙前端的推压斜面 141 完成自顶触首位弹片钥匙孔触压面到由过渡平台完全顶压首位弹片钥匙孔触压 面的过程, 使首位弹片向下位移开启; c、 制动杆开启过程: 同时利用首位弹片 108的纵向位移, 首位弹片的弹片 牙槽的上斜面向下顶压制动杆的首位制动齿牙的上斜面, 通过斜面推动制动杆 向后位弹片方向移动, 使制动杆 127 的制动端脱离与锁套底端的制动凹槽 139 的配合, 实现联动方式的二次开启;
d、 与此同时, 随着制动杆向后位弹片方向位移, 使制动杆的后位制动齿牙 与后位弹片的弹片牙槽啮合;
封缄步骤如下:
a、 在抽拉钥匙的过程中, 首先使钥匙 101脱离首位弹片 108的钥匙孔, 首 位弹片上端依靠弹簧进入锁套的轴向凹槽, 回到锁定位置, 实现无联动方式的 一次封缄;
b、 在抽拉钥匙的过程中, 通过钥匙的回压斜面带动其中一个或几个后位弹 片向下位移, 后位弹片向下位移的同时, 通过后位弹片的弹片牙槽的上斜面顶 压制动杆上的后位制动齿牙, 使制动杆向锁套前端纵向位移, 使制动杆的制动 端与锁套前端的制动凹槽配合, 实现联动方式的二次封缄;
c、 钥匙完全抽出后, 后位弹片上端依靠弹簧进入轴向凹槽, 与首位弹片一 起完成无联动方式的一次封缄;
d、 制动杆进入制动凹槽位置后, 制动杆的首位制动齿牙与首位弹片的弹片 牙槽啮合。
在无钥匙状态下, 使用技术性开启的分析:
1、 挑压后位弹片, 一定要依靠摩擦力才能够逐一完成每一个后位弹片进入 开启位置。 后位弹片与锁芯的摩擦力, 是依靠锁芯的转角给后位弹片的压力所 产生的。 锁芯由于被制动杆的制动端与制动凹槽的配合封缄而不能够转动, 因 此锁芯和后位弹片不能够产生摩擦力, 挑压后位弹片, 结果还是导致每个弹片 依靠弹簧又回到锁定状态。
2、 挑压首位弹片, 导致制动杆向后位弹片方向位移, 使制动杆上的后位制 动齿牙进入后位弹片的弹片牙槽中, 此时的首位弹片虽然打开, 后位弹片却被 后位制动齿牙锁定。
3、此时,如果放松对首位弹片的控制, 首位弹片依靠弹簧又回到锁定位置, 返回再挑压后位弹片, 又致使制动杆的制动端回到制动凹槽的位置, 锁芯还是 不能旋转。
4、 如果不放松首位弹片的控制, 再挑压后位弹片, 由于后位制动齿与后位 弹片的弹片牙槽啮合, 此时的制动杆被首位弹片阻挡, 所以无法挑压后位弹片 作纵向移动, 后位弹片依然处于锁定位置。

Claims

1、 一种联动式防盗锁头, 包括锁套、 锁芯、 制动杆、前弹片及其复位弹簧、 尾弹片及其复位弹簧和钥匙, 所述的前弹片和尾弹片与锁芯轴向分布的弹片槽 孔间隙配合, 所述的制动杆沿其锁芯的轴向安装, 制动杆上的制动齿牙与前弹 片和尾弹片的弹片牙槽啮合, 其特征在于: 前弹片和尾弹片作为相对设置的移 动凸轮, 制动杆作为从动件, 锁芯作为机架构成移动凸轮机构, 前弹片和尾弹 片的弹片牙槽的制动齿牙联动啮合, 锁套上设置有与制动杆配合的制动凹槽。
2、如权利要求 1所述的联动式防盗锁头,其特征在于:前弹片是前位弹片, 尾弹片是末位弹片, 详细叙述为; 包括锁套、 锁芯、 制动杆、 前位弹片、 末位 弹片、 钥匙, 在锁芯的轴线方向间隔分布有多个弹片槽孔, 弹片中部设有钥匙 孔, 弹片与锁芯的弹片槽孔间隙配合, 在锁芯的上部沿轴线方向设有一与制动 杆间隙配合的锁芯凹槽, 在所述的制动杆的前端设有一凸台, 它与锁套前端的 周向凹槽配合,
末位弹片之前的全部弹片为前位弹片, 在每个前位弹片的正面或者反面设 有至少一个弹片牙槽, 前位弹片的弹片牙槽由弹片牙槽的上斜面与弹片牙槽的 底平面构成夹角, 前位弹片的弹片牙槽的槽口朝向与钥匙插入方向一致; 在制 动杆的纵向间隔分布有与前位弹片的弹片牙槽啮合的前位制动齿牙;
在末位弹片的正面或者反面设有至少一个弹片牙槽, 末位弹片的弹片牙槽 由上斜面和下斜面构成夹角, 末位弹片的弹片牙槽的槽口的朝向与钥匙插入方 向相反, 制动杆上设有末位制动齿牙; 所述的末位制动齿牙的一端的形状与前 位制动齿牙相同, 与邻近的前位弹片的弹片牙槽啮合, 另一端由上斜面和下斜 面构成凸角, 与末位弹片的弹片牙槽啮合;
在所述的制动杆的末位设有一制动端, 它与锁套底端的制动凹槽配合; 所述的钥匙, 其钥匙牙花是由过渡平台、 推压斜面和回压斜面构成, 过渡 平台与推压斜面和回压斜面过渡连接; 任何一个过渡平台的纵向推进长度要满 足其它过渡平台推进过程中顶压弹片钥匙孔的触压面的等高推进长度; 整个钥 匙中, 至少有一个回压斜面, 回压斜面的高度等于前位制动齿牙的高度, 或递 进回压斜面的高度之和; 钥匙的前端设有推压斜面; 钥匙按照过渡平台的高度 进行编码。
3、 如权利要求 2所述的联动式防盗锁头, 其特征在于: 所述的前位弹片的 弹片牙槽由上斜面与弹片牙槽的底平面构成直角三角状; 所述的前位制动齿牙 的横向宽度大于或等于弹片的横向宽度, 前位制动齿牙的上斜面与制动杆的底 平面构成夹角; 所述的末位弹片的弹片牙槽为等腰三角状, 它的上斜面和下斜 面以角平分线对称, 该角平分线与制动杆的底平面平行。
4、 如权利要求 2所述的联动式防盗锁头, 其特征在于: 所述的前位弹片的 弹片牙槽的上斜面与弹片牙槽的底平面的夹角为 43 ° 〜60° , 所述的前位制动 齿牙的上斜面与制动杆的底平面构成的夹角为 30° 〜60° , 制动杆底平面与弹 片牙槽的底平面平行; 所述的末位弹片的弹片牙槽呈等腰三角形, 它的上、 下 两个斜面与角平分线的夹角均为 43 ° 〜60° ; 所述的制动杆的末位制动齿牙朝 向前位弹片方向的一端的上斜面与底平面的夹角为 30° 〜60° , 所述的制动杆 的末位制动齿牙朝向末位弹片方向的一端的构成凸角的上、 下两个斜面与角平 分线的夹角均为 30° 〜60° 。
5、 如权利要求 2或 3所述的联动式防盗锁头, 其特征在于: 所述的前位弹 片的弹片牙槽的上斜面与弹片牙槽底平面夹角呈 45 ° , 所述的制动杆的前位制 动齿牙的上斜面与制动杆的底平面构成的夹角为 45 ° ; 所述的末位弹片的弹片 牙槽呈等腰三角形, 它的上、 下两个斜面与角平分线的夹角均为 45 ° ; 所述的 制动杆的末位制动齿牙朝向前位弹片方向的一端的上斜面与底平面的夹角为 45 ° , 所述的制动杆的末位制动齿牙朝向末位弹片方向的一端的构成凸角的上、 下两个斜面与角平分线的夹角均为 45 ° 。
6、 如权利要求 2所述的联动式防盗锁头, 其特征在于: 钥匙的前端为小于 或等于 45°的推压斜面。
7、 如权利要求 2或 3所述的联动式防盗锁头, 其特征在于: 所述的每个前 位弹片设有至少 2个自上而下平行均匀排布的弹片牙槽, 弹片牙槽的方向、 大 小、 角度相同; 在开启状态, 在每个前位弹片上, 其中一个弹片牙槽的底平面 与制动杆的前位制动齿牙的底平面处于同一平面。
8、 如权利要求 2所述的联动式防盗锁头, 其特征在于: 所述的钥匙的每一 个过渡平台相互平行, 并与锁芯的轴线平行。
9、 一种如权利要求 2所述的联动式防盗锁头, 其特征在于: 它的开启和封 缄步骤分别是:
开启步骤如下:
a、 前位弹片开启过程: 由钥匙的推进, 钥匙前端的推压斜面顶触末位弹片 钥匙孔触压面时, 前位弹片钥匙孔触压面全部处于被钥匙过渡平台顶压的开启 状态, 实现前位弹片无联动方式的一次开启;
b、 末位弹片开启过程: 由钥匙继续推进, 钥匙前端的推压斜面完成自顶触 末位弹片钥匙孔触压面到由过渡平台完全顶压末位弹片钥匙孔触压面的过程, 使末位弹片向下位移开启;
c、 制动杆开启过程: 同时利用末位弹片的位移, 末位弹片的弹片牙槽的上 斜面向下顶压制动杆的末位制动齿牙的凸角的上斜面, 通过斜面推动制动杆向 前位弹片方向移动, 使制动杆的制动端脱离与锁套底端的制动凹槽的配合, 实 现联动方式的二次开启;
d、 与此同时, 随着制动杆向前位弹片方向位移, 使制动杆的前位制动齿牙 与前位弹片的弹片牙槽啮合;
封缄步骤如下:
a、 在抽拉钥匙的过程中, 首先使钥匙脱离末位弹片的钥匙孔, 末位弹片上 端依靠弹簧进入锁套凹槽, 回到锁定位置, 实现无联动方式的一次封缄;
b、 在抽拉钥匙的过程中, 通过钥匙的回压斜面带动其中一个或几个前位弹 片向下位移, 前位弹片向下位移的同时, 通过前位弹片的弹片牙槽的上斜面顶 压制动杆上的前位制动齿牙, 使制动杆向锁套底端纵向位移, 使制动杆的制动 端与锁套底端的制动凹槽配合, 实现联动方式的二次封缄;
c、 钥匙完全抽出后, 前位弹片上端依靠弹簧进入锁套凹槽, 与末位弹片一 起完成无联动方式的一次封缄;
d、 制动杆进入制动凹槽位置后, 制动杆的末位制动齿牙的凸角与末位弹片 的弹片牙槽啮合。
10、 如权利要求 1 所述的联动式防盗锁头, 其特征在于: 前弹片是后位弹 片, 尾弹片是首位弹片, 详细叙述为; 一锁套, 该锁套包含有: 上下对称的轴 向凹槽, 周向凹槽, 及锁套前端的制动凹槽; 一锁芯, 其外径与锁套相应内径 间隙配合, 该锁芯包含有: 一组沿轴向间隔分布的弹片槽孔, 一沿轴向形成的 制动杆滑槽, 及一贯穿前后的锁芯钥匙孔; 一制动杆, 与所述的制动杆滑槽间 隙配合, 该制动杆包含有: 一组沿其纵向间隔分布的后位制动齿牙和首位制动 齿牙, 在制动杆后端形成一凸台, 与所述的周向凹槽间隙配合, 在制动杆前端 形成制动端与所述的制动凹槽间隙配合; 一组后位弹片, 与弹片槽孔间隙配合, 并与所述的轴向凹槽间隙配合, 该后位弹片包含有: 中部形成的弹片钥匙孔, 在每个后位弹片上形成至少一个弹片牙槽; 一首位弹片, 与弹片槽孔间隙配合, 并与所述的轴向凹槽间隙配合, 该首位弹片包含有: 中部形成的弹片钥匙孔, 在首位弹片上形成至少一个弹片牙槽; 一钥匙, 与后位弹片的钥匙孔和首位弹 片的钥匙孔配合, 该钥匙包含有钥匙牙花, 钥匙牙花是由过渡平台、 推压斜面 和回压斜面构成, 过渡平台与推压斜面和回压斜面过渡连接;
锁芯上制动杆滑槽的对称面与锁芯的垂直对称面相交, 且制动杆滑槽的对 称面处于弹片槽孔高度的中部, 锁芯上的制动杆滑槽与锁芯的弹片槽孔相通; 后位弹片的弹片牙槽, 系形成在后位弹片的前平面的上下方位的中部, 所 述的后位弹片的弹片牙槽由上斜面和底平面构成直角三角状; 后位弹片的前平 面垂直于锁芯对称面, 后位弹片的弹片牙槽的槽口装配朝向与钥匙插入方向一 致, 制动杆的后位制动齿牙的上斜面与底平面构成夹角, 制动杆后部的后位制 动齿牙与后位弹片的弹片牙槽离合;
首位弹片的弹片牙槽, 系形成在首位弹片的后平面的上下方位的中部, 首 位弹片的弹片牙槽由上斜面和下斜面构成夹角, 首位弹片的后平面垂直于锁芯 对称面, 首位弹片的弹片牙槽的槽口装配朝向与钥匙插入方向相反, 所述的制 动杆上的首位制动齿牙由上斜面和下斜面构成凸角, 制动杆的首位制动齿牙与 首位弹片的弹片牙槽离合。
11、 如权利要求 10所述的联动式防盗锁头, 其特征在于: 所述的首位弹片 的弹片牙槽为等腰三角状, 它的上斜面和下斜面以角平分线对称; 该上斜面和 下斜面的角平分线与后位弹片的弹片牙槽的底平面平行, 或同处一平面上。
12、 如权利要求 10所述的联动式防盗锁头, 其特征在于: 所述的后位弹片 的弹片牙槽的上斜面与弹片牙槽的底平面的夹角为 43 ° 〜60 。 ,所述的后位制 动齿牙的上斜面与后位制动齿牙的底平面构成的夹角为 30° 〜60° , 制动齿牙 的底平面与后位弹片的弹片牙槽的底平面平行; 所述的首位弹片的弹片牙槽呈 等腰三角形, 它的上、 下两个斜面与角平分线的夹角均为 43 ° 〜60° ; 所述的 制动杆的首位制动齿牙朝向首位弹片方向, 首位制动齿牙构成凸角的上、 下两 个斜面与角平分线的夹角均为 30° 〜60° 。
13、 如权利要求 10或 11所述的联动式防盗锁头, 其特征在于: 所述的后 位弹片的弹片牙槽的上斜面与弹片牙槽底平面夹角呈 45 ° , 所述的制动杆的后 位制动齿牙的上斜面与底平面构成的夹角为 45 ° ; 所述的首位弹片的弹片牙槽 呈等腰三角形, 它的上、 下两个斜面与角平分线的夹角均为 45 ° ; 所述的制动 杆的首位制动齿牙朝向首位弹片方向, 首位制动齿牙的上、 下两个斜面与角平 分线的夹角均为 45 ° 。
14、 如权利要求 10所述的联动式防盗锁头, 其特征在于: 钥匙的前端的推 压斜面与钥匙插入方向的夹角小于或等于 45 ° 。
15、 如权利要求 10或 11所述的联动式防盗锁头, 其特征在于: 所述的每 个后位弹片设有至少 2个自上而下平行均匀排布的弹片牙槽, 弹片牙槽的方向、 大小、 角度相同; 在开启状态, 在每个后位弹片上, 其中一个弹片牙槽的底平 面与制动杆的后位制动齿牙的底平面处于同一平面。
16、 如权利要求 10所述的联动式防盗锁头, 其特征在于: 所述的钥匙的每 一个过渡平台相互平行, 并与锁芯的轴线平行。
17、 一种如权利要求 10所述的联动式防盗锁头, 其特征在于: 它的开启和 封缄步骤分别是:
开启步骤如下:
a、 后位弹片开启过程: 由钥匙的推进, 钥匙前端的推压斜面顶触首位弹片 钥匙孔触压面时, 后位弹片钥匙孔触压面全部处于被钥匙过渡平台顶压的开启 状态, 实现后位弹片无联动方式的一次开启;
b、 首位弹片开启过程: 由钥匙继续推进, 钥匙前端的推压斜面完成自顶触 首位弹片钥匙孔触压面到由过渡平台完全顶压首位弹片钥匙孔触压面的过程, 使首位弹片向下位移开启;
c、 制动杆开启过程: 同时利用首位弹片的纵向位移, 首位弹片的弹片牙槽 的上斜面向下顶压制动杆的首位制动齿牙的凸角的上斜面, 通过斜面推动制动 杆向后位弹片方向移动, 使制动杆的制动端脱离与锁套底端的制动凹槽的配合, 实现联动方式的二次开启;
d、 与此同时, 随着制动杆向后位弹片方向位移, 使制动杆的后位制动齿牙 与后位弹片的弹片牙槽啮合;
封缄步骤如下:
a、 在抽拉钥匙的过程中, 首先使钥匙脱离首位弹片的钥匙孔, 首位弹片上 端依靠弹簧进入锁套的轴向凹槽, 回到锁定位置, 实现无联动方式的一次封缄;
b、 在抽拉钥匙的过程中, 通过钥匙的回压斜面带动其中一个或几个后位弹 片向下位移, 后位弹片向下位移的同时, 通过后位弹片的弹片牙槽的上斜面顶 压制动杆上的后位制动齿牙, 使制动杆向锁套前端纵向位移, 使制动杆的制动 端与锁套前端的制动凹槽配合, 实现联动方式的二次封缄;
c、 钥匙完全抽出后, 后位弹片上端依靠弹簧进入轴向凹槽, 与首位弹片一 起完成无联动方式的一次封缄;
d、 制动杆进入制动凹槽位置后, 制动杆的首位制动齿牙的凸角与首位弹片 的弹片牙槽啮合。
PCT/CN2010/000226 2009-07-24 2010-02-20 联动式防盗锁头 WO2011009281A1 (zh)

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IL217581A (en) 2015-08-31
JP5739885B2 (ja) 2015-06-24
EP2458116A1 (en) 2012-05-30
JP2013500408A (ja) 2013-01-07
US20120125061A1 (en) 2012-05-24
EP2458116A4 (en) 2014-12-10

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