CN114763724B - Lock with double lock cylinders - Google Patents
Lock with double lock cylinders Download PDFInfo
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- CN114763724B CN114763724B CN202110034424.XA CN202110034424A CN114763724B CN 114763724 B CN114763724 B CN 114763724B CN 202110034424 A CN202110034424 A CN 202110034424A CN 114763724 B CN114763724 B CN 114763724B
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- lock cylinder
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- cylinders
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0003—Details
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0053—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in for use with more than one key, e.g. master-slave key
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/02—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key
- E05B27/08—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key arranged axially
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
- Actuator (AREA)
Abstract
The invention provides a lock head with double lock cylinders. The double lock cylinder lock head comprises: a lock body; the transmission piece is movably arranged on the lock body; the two lock cylinders are rotatably installed in the lock body independently of each other; when the double-lock cylinder lock head is in a locking state, the transmission piece does not rotate; when any lock cylinder is driven to rotate by the unlocking key, the transmission piece is in driving connection with the other lock cylinder, and after the other lock cylinder is rotated by the other unlocking key, the transmission piece rotates, so that the double-lock cylinder lock head is switched between a locking state and an unlocking state. The double-lock cylinder lock head provided by the invention can solve the problems of low safety performance and complex unlocking of the lock in the prior art.
Description
Technical Field
The invention relates to the technical field of locksets, in particular to a double-lock core tapered end.
Background
At present, most of widely used locks adopt a single lock core structure, and when a matched key is inserted into the lock core structure, the lock core structure can rotate along with the key to drive a transmission mechanism inside the lock to move so as to achieve the effect of opening and closing a lock body. In the actual use process, the single lock core structure is easy to be opened by an illegal user, so that the safety is difficult to be ensured; other special fields have special control requirements, such as locks used in safes or security buildings are often double-key locks, and the locks with the structure can be opened and closed only by using two keys. The problem that the operation experience is poor because the double lock core structure can be unlocked only according to the established unlocking sequence is solved.
From the above, the existing locks have the problems of low safety performance and complex unlocking.
Disclosure of Invention
The invention mainly aims to provide a double-lock cylinder lock head so as to solve the problems of low safety performance and complex unlocking of a lock in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a dual cylinder lock head having an unlocked state and a locked state, the dual cylinder lock head comprising: a lock body; the transmission piece is rotatably arranged on the lock body; the two lock cylinders are rotatably installed in the lock body independently of each other; when the double-lock cylinder lock head is in a locking state, the transmission piece does not rotate; when any lock cylinder is driven to rotate by the unlocking key, the transmission piece is in driving connection with the other lock cylinder, and after the other lock cylinder is rotated by the other unlocking key, the transmission piece rotates, so that the double-lock cylinder lock head is switched between a locking state and an unlocking state.
Further, the transmission piece is located between the two lock cylinders, and when the double-lock cylinder lock head is switched from the locking state to the unlocking state, the transmission piece can be in driving connection with one lock cylinder only, so that the lock cylinders drive the transmission piece to rotate.
Further, the transmission piece is located between the two lock cylinders, and when the two lock cylinders are not inserted with the unlocking key, the transmission piece is not in driving connection with the two lock cylinders.
Further, each lock cylinder is provided with a driving piece which can be matched with the transmission piece, the lock cylinders rotate to drive the driving piece to rotate, the driving piece is contacted with or separated from the transmission piece, and when the two lock cylinders are not inserted with unlocking keys, the transmission piece is separated from the driving piece of the two lock cylinders; when any lock cylinder is driven to rotate by the unlocking key, the transmission piece moves to one side of the other lock cylinder under extrusion force, so that the transmission piece is in contact with the driving piece of the other lock cylinder to be in driving connection.
Further, the transmission member and the driving member are provided with tooth-shaped sections so that the transmission member and the driving member can be engaged with or disengaged from each other.
Further, one end of the lock body is provided with an opening, the inside of the lock body is also provided with two mounting cavities communicated with the opening, and the two lock cylinders are correspondingly arranged in the two mounting cavities one by one; one side of the two mounting cavities, which is close to the opening, is communicated through the mounting groove, the transmission part is arranged at the mounting groove, at least one part of the transmission part extends out of the lock body through the opening, and the two driving parts are arranged at one side of the two mounting cavities, which is close to the opening.
Further, the lock cylinder further includes: the driving piece is arranged on the rotating lug to synchronously rotate, and a groove is formed in the periphery of the rotating lug; the locking piece is abutted between the rotating lug and the transmission piece; when the unlocking key is not inserted into the two lock cylinders, at least one part of the two locking pieces are correspondingly accommodated in the two grooves, so that the transmission piece is separated from the driving piece of the two lock cylinders; when any lock cylinder is driven to rotate by the unlocking key, the locking piece in the lock cylinder inserted into the unlocking key withdraws from the groove and extrudes the transmission piece, so that the transmission piece extrudes the locking piece of the other lock cylinder to retract into the corresponding groove, and when the other lock cylinder is inserted into the corresponding unlocking key and rotates, the locking piece in the groove is driven to rotate together when the other lock cylinder rotates.
Further, the lock cylinder further includes: the push rod is movably arranged in the groove along the radial direction of the rotating lug, and when at least one part of the locking piece enters the groove, one end, close to the notch of the groove, of the push rod is abutted against the surface of the locking piece; the elastic piece is arranged in the groove and is abutted with the push rod so as to provide restoring force for the push rod to move towards one side of the notch.
Further, the lock cylinder further comprises a push rod stop piece, and the push rod stop piece is fixedly arranged in the groove so as to limit the moving distance of the push rod.
Further, a waist-shaped groove is formed in the push rod, the length direction of the waist-shaped groove is consistent with the movement direction of the push rod, the push rod stop piece is a limiting pin, the limiting pin is fixedly arranged on the rotating lug, and the limiting pin stretches into the waist-shaped groove.
Further, the lock body is provided with a rotating lug stop piece, and the periphery of the rotating lug is provided with a limiting structure matched with the rotating lug stop piece so as to limit the rotation range of the lock cylinder.
Further, the limit structure is a limit groove formed along the periphery of the rotary lug, and the rotary lug stop piece is a stop protrusion extending into the limit groove.
Further, the locking member is a steel ball.
Further, the transmission part is a switching shaft, and a clutch section, a driven tooth section and an output section are sequentially arranged on the axial direction of the switching shaft, wherein the clutch section is abutted with the locking part; the driven tooth segment is in contact with or separated from the driving member.
Further, the switching shaft is provided with a separation position, a first connection position and a second connection position, when the unlocking key drives the lock cylinder to rotate, the locking piece extrudes the clutch section so as to enable the switching shaft to be switched among the separation position, the first connection position and the second connection position, when the switching shaft is in the separation position, the driven tooth section is not contacted with the two driving pieces, and at the moment, the double lock cylinder tapered end is in a locking state; when the adapter shaft is in the first engagement position or the second engagement position, the driven tooth segment is in contact with one of the driving members and is separated from the other driving member.
Further, the double-lock cylinder lock head further comprises a cover plate, the cover plate is arranged at the opening, and one part of the transmission piece penetrates out of the cover plate.
By applying the technical scheme of the invention, two lock cylinders which are rotatably installed independently of each other are arranged on the lock body, when any lock cylinder is driven by an unlocking key to rotate, the lock cylinder can enable a transmission member to be in driving connection with the other lock cylinder, and when the other lock cylinder is driven by the unlocking key to rotate, the transmission member can be driven to rotate, so that the double-lock cylinder lock head can be switched between an unlocking state and a locking state. Unlike available technology, the present invention provides one double-core lock with high safety; unlike the prior art double lock cylinder lock head, the prior art double lock cylinder lock head needs to be unlocked sequentially in order, and the operation is complex. In the unlocking process of the double-lock cylinder lock head provided by the invention, the two lock cylinders are independently arranged, one lock cylinder can be optionally unlocked firstly, then the other lock cylinder is unlocked to unlock the double-lock cylinder lock head, the two lock cylinders do not need to be unlocked according to a specific sequence, and the operation is simple and convenient while the safety of the double-lock cylinder lock head is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 shows a schematic view of a dual lock cylinder lock of the present invention in a locked state, wherein neither lock cylinder is inserted with an unlocking key; and
FIG. 2 shows a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 shows a top view of the cover plate-less condition of FIG. 1;
FIG. 4 is a schematic view of a dual lock cylinder lock of the present invention in a locked state, wherein either lock cylinder is inserted into an unlock key and rotated;
FIG. 5 shows a cross-sectional view B-B of FIG. 4;
FIG. 6 shows a top view of the no cover plate of FIG. 4;
FIG. 7 is a schematic view of a dual lock cylinder lock of the present invention in an unlocked state, wherein both cylinders are inserted with an unlock key and rotated;
FIG. 8 shows a cross-sectional view taken along line C-C of FIG. 7;
fig. 9 shows a top view of fig. 7 without the cover plate.
Wherein the above figures include the following reference numerals:
110. a lock body; 111. a rotation ear stop; 120. a lock core; 130. a rotating lug; 131. a limit groove; 132. a groove; 140. a driving member; 141. a driving tooth segment; 150. a steel ball; 160. a push rod; 161. a kidney-shaped groove; 170. an elastic member; 180. a push rod stopper; 260. a transmission member; 261. a clutch section; 262. a driven tooth segment; 263. an output section; 270. and a cover plate.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present invention, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present invention.
The invention provides a double-lock cylinder lock head, which aims to solve the problems of low safety performance and complex unlocking of a lock in the prior art.
As shown in fig. 1 to 9, the dual cylinder lock head has an unlocked state and a locked state, and includes a lock body 110; the transmission member 260, the transmission member 260 is rotatably disposed on the lock body 110; the two lock cylinders 120 are rotatably installed inside the lock body 110 independently of each other; when the double-lock cylinder lock head is in a locking state, the transmission member 260 does not rotate; when any lock cylinder 120 is driven to rotate by the unlocking key, the transmission member 260 is in driving connection with the other lock cylinder 120, and when the other lock cylinder 120 is rotated by the other unlocking key, the transmission member 260 rotates, so that the double-lock cylinder lock head is switched between a locking state and an unlocking state.
By applying the technical scheme of the invention, two lock cylinders 120 which are rotatably installed independently of each other are arranged on the lock body 110, when any lock cylinder 120 is driven by an unlocking key to rotate, the lock cylinder 120 enables a transmission member 260 to be in driving connection with the other lock cylinder 120, and when the other lock cylinder 120 is driven by the unlocking key to rotate, the transmission member 260 can be driven to rotate, so that the double-lock cylinder lock head is switched between an unlocking state and a locking state. Unlike available technology, the present invention provides one double-core lock with high safety; unlike the prior art double lock cylinder lock head, the prior art double lock cylinder lock head needs to be unlocked sequentially in order, and the operation is complex. In the unlocking process of the double-lock cylinder lock head provided by the invention, the two lock cylinders 120 are independently arranged, one lock cylinder can be optionally unlocked first, then the other lock cylinder 120 is unlocked to unlock the double-lock cylinder lock head, the two lock cylinders 120 do not need to be unlocked according to a specific sequence, and the operation is simple and convenient while the safety of the double-lock cylinder lock head is ensured.
Further, the lock cylinder 120 is used with two unlocking keys respectively, and the two unlocking keys are different in structure.
It should be noted that the dual lock core lock head is a part of the lock, the lock is in the unlock state when the dual lock core lock head is in the unlock state, and the lock is in the lock state when the dual lock core lock head is in the lock state, that is, the transmission member 260 rotates to switch the lock between the lock state and the unlock state.
As shown in fig. 4 to 6, the transmission member 260 is located between two lock cylinders 120, and when the dual lock cylinder lock head is switched from the locked state to the unlocked state, the transmission member 260 can be in driving connection with only one of the lock cylinders 120, so that the lock cylinders 120 drive the transmission member 260 to rotate.
Specifically, the transmission member 260 is installed between the two lock cylinders 120, when the dual lock cylinder lock head is switched from the locked state to the unlocked state, the two lock cylinders 120 are matched for use, one lock cylinder 120 pushes against the transmission member 260 to enable the other lock cylinder 120 to be in driving connection with the transmission member 260, the two lock cylinders 120 cannot be in driving connection with the transmission member 260 at the same time, and the transmission member 260 can only be matched with one lock cylinder 120 in driving manner to switch between the locked state and the unlocked state at the same time, so that the problem that the transmission member 260 cannot normally rotate due to the fact that the two lock cylinders 120 are in driving connection with the transmission member 260 at the same time is avoided.
As shown in fig. 1 to 3, the transmission member 260 is located between the two lock cylinders 120, and when neither lock cylinder 120 is inserted with an unlocking key and is not rotated, the transmission member 260 is not drivingly connected to both lock cylinders 120. Both lock cylinders 120 are not in driving connection with the transmission member 260, so that the transmission member 260 is kept not to rotate, the double-lock cylinder lock is in a locking state, and at the moment, after any lock cylinder 120 is inserted into an unlocking key to unlock and rotate, the transmission member 260 can be in driving connection with the other lock cylinder 120.
As shown in fig. 3, 6 and 9, each lock cylinder 120 has a driving member 140 capable of being engaged with a transmission member 260, the lock cylinders 120 rotate to drive the driving member 140 to rotate, the driving member 140 is in contact with or separated from the transmission member 260, and when both lock cylinders 120 are not inserted with an unlocking key, the transmission member 260 is separated from the driving member 140 of both lock cylinders 120; when any one of the lock cylinders 120 is rotated by the unlocking key, the transmission member 260 moves to one side of the other lock cylinder 120 under the pressing force, so that the transmission member 260 contacts with the driving member 140 of the other lock cylinder 120 to be in driving connection.
Specifically, the lock cylinder 120 may drive the driving member 140 to rotate synchronously, and the driving member 140 may be in driving connection with the transmission member 260. The transmission member 260 and the driving member 140 are each provided with tooth-shaped sections so that the transmission member 260 can be engaged with or disengaged from the driving member 140. The driving piece 140 is in meshed connection with the transmission piece 260 through the tooth-shaped section, and the driving piece 140 can drive the transmission piece 260 to rotate in a meshed connection mode.
It should be noted that the tooth-shaped section on the driving member 140 is the driving tooth section 141, and the driving member 140 is in driving connection with the transmission member 260, so as to realize that the driving member 140 drives the transmission member 260 to rotate, and the dual lock cylinder lock is switched between the unlock state and the lock state.
As shown in fig. 1 to 9, one end of the lock body 110 has an opening, and the inside of the lock body 110 also has two installation cavities communicating with the opening, and two lock cylinders 120 are disposed in the two installation cavities in one-to-one correspondence; one side of the two mounting cavities, which is close to the opening, is communicated through the mounting groove, the transmission member 260 is arranged at the mounting groove, at least one part of the transmission member 260 extends out of the lock body 110 through the opening, and the two driving members 140 are arranged at one side of the two mounting cavities, which is close to the opening.
It should be noted that, the lock body 110 is close to the end opening of the transmission member 260, at least a portion of the transmission member 260 extends out of the opening, and the extending portion of the transmission member 260 may be used to unlock the lock.
As shown in fig. 1 to 9, the lock cylinder 120 further includes a rotation lug 130, and a driving member 140 is disposed on the rotation lug 130 to rotate synchronously, and a groove 132 is formed at the periphery of the rotation lug 130; a locking member, which is abutted between the rotating lug 130 and the transmission member 260; when the two lock cylinders 120 are not inserted with the unlocking key, at least a portion of the two locking members are correspondingly accommodated in the two grooves 132, so that the transmission member 260 is separated from the driving members 140 of the two lock cylinders 120; when any lock cylinder 120 is driven to rotate by the unlocking key, the locking piece in the lock cylinder 120 inserted into the unlocking key withdraws from the groove 132 and presses the transmission piece 260, so that the transmission piece 260 presses the locking piece of the other lock cylinder 120 to retract into the corresponding groove 132, and after the corresponding unlocking key is inserted into the other lock cylinder 120 and rotates, the locking piece in the groove 132 is driven to rotate together when the other lock cylinder 120 rotates.
In this embodiment, the locking element is a steel ball 150, and the steel ball 150 is movable between the mounting groove and the recess 132.
As shown in fig. 2, 5 and 7, the lock cylinder 120 further includes a push rod 160, the push rod 160 is movably disposed inside the recess 132 in the radial direction of the rotation lug 130, and when at least a part of the latch enters the recess 132, an end of the push rod 160 adjacent to the notch of the recess 132 abuts against the surface of the latch; the elastic member 170 is disposed inside the groove 132 and abuts against the pushrod 160, so as to provide a restoring force for the pushrod 160 to move to the slot side.
In this embodiment, the elastic member 170 is a spring, one end of the spring abuts against the rotating lug 130, and the other end of the spring abuts against the push rod 160.
As shown in fig. 3, 6 and 8, the lock cylinder 120 further includes a push rod stopper 180, and the push rod stopper 180 is fixedly disposed in the recess 132 to limit the moving distance of the push rod 160. The problem that the steel ball 150 pushes the transmission member 260 excessively to cause collision between the driving member 140 and the transmission member 260 and damage caused by the overlarge movement range of the push rod 160 is avoided.
As shown in fig. 2, 5 and 7, the push rod 160 is provided with a kidney-shaped groove 161, the length direction of the kidney-shaped groove 161 is consistent with the movement direction of the push rod 160, and the push rod stop member 180 is a limiting pin fixedly mounted on the rotating lug 130, and the limiting pin extends into the kidney-shaped groove 161. Specifically, the push rod 160 moves relative to the limiting pin, and the limiting pin is locked on the push rod 160 to limit the movement range of the push rod 160.
As shown in fig. 1 to 9, the lock body 110 has a rotation lug stopper 111, and the circumference of the rotation lug 130 has a limit structure cooperating with the rotation lug stopper 111 to limit the rotation range of the lock cylinder 120. Specifically, the limiting structure is a limiting groove 131 formed along the periphery of the rotating lug 130, and the rotating lug stop member 111 is a stop protrusion extending into the limiting groove 131. The limiting groove 131 rotates along with the rotating lug 130, the limiting groove 131 rotates relative to the stop protrusion, and the stop protrusion is used for blocking the limiting groove 131 so as to limit the rotation range of the rotating lug 130.
As shown in fig. 1, 4 and 8, the transmission member 260 is a transfer shaft, and the axial direction of the transfer shaft is sequentially provided with a clutch section 261, a driven tooth section 262 and an output section 263, wherein the clutch section 261 is abutted with the locking member; the driven tooth segment 262 is in contact with or separated from the driver 140.
Specifically, the clutch section 261 has a rod-shaped structure, the clutch section 261 is movably disposed inside the mounting groove, the driven tooth section 262 is in driving connection with the driving member 140, the driven tooth section 262 can drive the clutch section 261 and the output section 263 to rotate, and the output section 263 rotates to switch the lock between the unlocked state and the locked state.
As shown, the transfer shaft has a separation position, a first engagement position and a second engagement position, when the unlocking key drives the lock cylinder 120 to rotate, the locking piece presses the clutch section 261 to switch the transfer shaft among the separation position, the first engagement position and the second engagement position, when the transfer shaft is in the separation position, the driven tooth section 262 is not contacted with the two driving pieces 140, and at the moment, the double-lock cylinder lock head is in a locking state; when the adapter shaft is in the first engagement position or the second engagement position, the driven tooth segment 262 is in contact with one of the drives 140 and is separated from the other drive 140.
As shown in fig. 1, 4 and 8, the dual lock cylinder lock head further includes a cover plate 270, the cover plate 270 is disposed at the opening, and a portion of the transmission member 260 is penetrated by the cover plate 270. The cover plate 270 is provided with a good dustproof effect to increase the service life of the double cylinder lock head.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
by applying the technical scheme of the invention, two lock cylinders 120 which are rotatably installed independently of each other are arranged on the lock body 110, when any lock cylinder 120 is driven by an unlocking key to rotate, the lock cylinder 120 enables a transmission member 260 to be in driving connection with the other lock cylinder 120, and when the other lock cylinder 120 is driven by the unlocking key to rotate, the transmission member 260 can be driven to rotate, so that the double-lock cylinder lock head is switched between an unlocking state and a locking state. Unlike the single lock core 120 lock head in the prior art, the double lock core lock head provided by the invention has better safety; unlike the prior art double lock cylinder lock head, the prior art double lock cylinder lock head needs to be unlocked sequentially in order, and the operation is complex. In the unlocking process of the double-lock cylinder lock head provided by the invention, the two lock cylinders 120 are independently arranged, one lock cylinder can be optionally unlocked first, then the other lock cylinder 120 is unlocked to unlock the double-lock cylinder lock head, the two lock cylinders 120 do not need to be unlocked according to a specific sequence, and the operation is simple and convenient while the safety of the double-lock cylinder lock head is ensured.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. A dual lock cylinder lock head, characterized in that the dual lock cylinder lock head has an unlocked state and a locked state, the dual lock cylinder lock head comprising:
a lock body (110);
a transmission member (260), the transmission member (260) being movably arranged on the lock body (110);
the two lock cylinders (120) are rotatably installed inside the lock body (110) independently of each other, each lock cylinder (120) is provided with a driving piece (140) which can be matched with the transmission piece (260), the lock cylinders (120) rotate to drive the driving pieces (140) to rotate, and the driving pieces (140) are contacted with or separated from the transmission piece (260);
when no unlocking key is inserted into both lock cylinders (120), the transmission piece (260) is separated from the driving piece (140) of both lock cylinders (120);
when the double-lock cylinder lock head is in the locking state, the transmission piece (260) does not rotate;
when any lock cylinder (120) is driven to rotate by an unlocking key, the transmission piece (260) moves to one side of the other lock cylinder (120) under extrusion force, so that the transmission piece (260) is in contact with the driving piece (140) of the other lock cylinder (120) to be in driving connection, the transmission piece (260) is only in driving connection with the other lock cylinder (120), and after the other lock cylinder (120) is rotated by the other unlocking key, the transmission piece (260) rotates, so that the double-lock cylinder tapered end is switched between the locking state and the unlocking state.
2. The dual lock cylinder lock head according to claim 1, wherein the transmission member (260) is located between two lock cylinders (120), and the transmission member (260) can be in driving connection with only one of the lock cylinders (120) when the dual lock cylinder lock head is switched from the locked state to the unlocked state, so that the lock cylinders (120) drive the transmission member (260) to rotate.
3. The dual lock cylinder lock head according to claim 1, characterized in that the transmission member (260) is located between two lock cylinders (120), the transmission member (260) being not drivingly connected to both lock cylinders (120) when neither lock cylinder (120) is inserted into the unlocking key.
4. The dual lock cylinder lock head according to claim 1, wherein tooth segments are provided on both the transmission member (260) and the driving member (140) to enable engagement or disengagement of the transmission member (260) with the driving member (140).
5. The double-lock cylinder lock head according to claim 1, wherein one end of the lock body (110) is provided with an opening, and the interior of the lock body (110) is further provided with two installation cavities communicated with the opening, and the two lock cylinders (120) are arranged in the two installation cavities in a one-to-one correspondence manner;
one side of the two installation cavities, which is close to the opening, is communicated through an installation groove, the transmission piece (260) is arranged at the installation groove, at least one part of the transmission piece (260) extends out of the lock body (110) through the opening, and the two driving pieces (140) are arranged at one side of the two installation cavities, which is close to the opening.
6. The dual lock cylinder lock head according to claim 1, wherein the lock cylinder (120) further comprises:
the driving piece (140) is arranged on the rotating lug (130) to synchronously rotate, and a groove (132) is formed in the periphery of the rotating lug (130);
a latch member abutting between the rotation lug (130) and the transmission member (260);
wherein, the liquid crystal display device comprises a liquid crystal display device,
when the two lock cylinders (120) are not inserted into the unlocking keys, at least one part of the two locking pieces are correspondingly accommodated in the two grooves (132) so as to separate the transmission piece (260) from the driving piece (140) of the two lock cylinders (120);
when any lock cylinder (120) is driven to rotate by the unlocking key, the locking piece inserted into the lock cylinder (120) of the unlocking key is withdrawn from the groove (132) and presses the transmission piece (260), so that the transmission piece (260) presses the locking piece of the other lock cylinder (120) to retract into the corresponding groove (132), and when the corresponding unlocking key is inserted into the other lock cylinder (120) and rotates, the locking piece in the groove (132) is driven to rotate together when the other lock cylinder (120) rotates.
7. The dual lock cylinder lock head according to claim 6, wherein the lock cylinder (120) further comprises:
a pusher (160), the pusher (160) being movably disposed inside the recess (132) in a radial direction of the lug (130), an end of the pusher (160) near a notch of the recess (132) abutting a surface of the latch when at least a part of the latch enters the recess (132);
and the elastic piece (170) is arranged in the groove (132) and is abutted with the push rod (160) so as to provide a restoring force for the push rod (160) to move towards one side of the notch.
8. The dual lock cylinder lock head according to claim 7, wherein the lock cylinder (120) further comprises a push rod stopper (180), the push rod stopper (180) being fixedly disposed within the recess (132) to limit a moving distance of the push rod (160).
9. The dual lock cylinder lock according to claim 8, wherein a kidney-shaped groove (161) is formed in the push rod (160), the length direction of the kidney-shaped groove (161) is consistent with the movement direction of the push rod (160), the push rod stopper (180) is a limiting pin, the limiting pin is fixedly mounted on the rotating lug (130), and the limiting pin extends into the kidney-shaped groove (161).
10. The dual cylinder lock head according to claim 6, wherein the lock body (110) has a rotation lug stopper (111), and the circumference of the rotation lug (130) has a limit structure cooperating with the rotation lug stopper (111) to limit the rotation range of the cylinder (120).
11. The lock cylinder lock according to claim 10, wherein the limiting structure is a limiting groove (131) formed along the periphery of the turning lug (130), and the turning lug stop member (111) is a stop protrusion extending into the limiting groove (131).
12. The dual lock cylinder lock head according to claim 6, wherein the locking member is a steel ball (150).
13. The lock cylinder lock according to claim 6, wherein the transmission member (260) is a transfer shaft having a clutch section (261), a driven tooth section (262) and an output section (263) in this order in an axial direction of the transfer shaft,
the clutch section (261) is abutted with the locking piece;
the driven tooth segment (262) is in contact with or separated from the driver (140).
14. The dual cylinder lock head according to claim 13, wherein the adapter shaft has a disengaged position, a first engaged position, and a second engaged position, the lock-out member presses the clutch segment (261) to switch the adapter shaft between the disengaged position, the first engaged position, and the second engaged position when the unlocking key rotates the cylinder (120),
when the transfer shaft is in the separation position, the driven tooth section (262) is not contacted with the two driving pieces (140), and the double-lock cylinder lock head is in the locking state;
when the adapter shaft is in the first engagement position or the second engagement position, the driven tooth segment (262) is in contact with one of the drive members (140) and is separated from the other drive member (140).
15. The dual lock cylinder lock head according to claim 5, further comprising a cover plate (270), the cover plate (270) being provided at the opening, a portion of the transmission member (260) being penetrated by the cover plate (270).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110034424.XA CN114763724B (en) | 2021-01-11 | 2021-01-11 | Lock with double lock cylinders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110034424.XA CN114763724B (en) | 2021-01-11 | 2021-01-11 | Lock with double lock cylinders |
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| Publication Number | Publication Date |
|---|---|
| CN114763724A CN114763724A (en) | 2022-07-19 |
| CN114763724B true CN114763724B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110034424.XA Active CN114763724B (en) | 2021-01-11 | 2021-01-11 | Lock with double lock cylinders |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4339402A1 (en) * | 2022-09-19 | 2024-03-20 | Swedlock AB | A dual-cylinder lock assembly |
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| US4069694A (en) * | 1976-09-27 | 1978-01-24 | James W. Raymond | Resettable lock assembly for hotels, and the like |
| DE2656215A1 (en) * | 1976-12-11 | 1978-06-15 | Daimler Benz Ag | Central locking system for vehicle - has auxiliary locks with coupling to make its cylinder inaccessible on rotation of main cylinder |
| CN87203432U (en) * | 1987-07-07 | 1988-03-23 | 刘冰 | Spring lock core being capable of drawout and replacing keys |
| CN1730874A (en) * | 2005-08-31 | 2006-02-08 | 朱建忠 | Lock with double lock pins |
| JP2006177091A (en) * | 2004-12-24 | 2006-07-06 | Hiroyuki Nakamichi | Connection cylinder lock |
| CN1932220A (en) * | 2006-10-30 | 2007-03-21 | 固力保安制品有限公司 | Assembling lock core and assembling lock |
| CN202611363U (en) * | 2011-12-31 | 2012-12-19 | 惠州麒华五金制品有限公司 | Calabash-shaped lock with high safety |
| EP3733999A1 (en) * | 2019-05-03 | 2020-11-04 | Assa Abloy Opening Solutions Sweden AB | A dual cylinder lock arrangement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10253526B2 (en) * | 2016-05-06 | 2019-04-09 | Assa Abloy High Security Group Inc. | Dual function lock cylinder assembly operable by different keys |
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2021
- 2021-01-11 CN CN202110034424.XA patent/CN114763724B/en active Active
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|---|---|---|---|---|
| US4069694A (en) * | 1976-09-27 | 1978-01-24 | James W. Raymond | Resettable lock assembly for hotels, and the like |
| DE2656215A1 (en) * | 1976-12-11 | 1978-06-15 | Daimler Benz Ag | Central locking system for vehicle - has auxiliary locks with coupling to make its cylinder inaccessible on rotation of main cylinder |
| CN87203432U (en) * | 1987-07-07 | 1988-03-23 | 刘冰 | Spring lock core being capable of drawout and replacing keys |
| JP2006177091A (en) * | 2004-12-24 | 2006-07-06 | Hiroyuki Nakamichi | Connection cylinder lock |
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| EP3733999A1 (en) * | 2019-05-03 | 2020-11-04 | Assa Abloy Opening Solutions Sweden AB | A dual cylinder lock arrangement |
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|---|---|
| CN114763724A (en) | 2022-07-19 |
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