CN109441252B - Bullet cabinet door locking device - Google Patents
Bullet cabinet door locking device Download PDFInfo
- Publication number
- CN109441252B CN109441252B CN201811497095.7A CN201811497095A CN109441252B CN 109441252 B CN109441252 B CN 109441252B CN 201811497095 A CN201811497095 A CN 201811497095A CN 109441252 B CN109441252 B CN 109441252B
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- China
- Prior art keywords
- rotating shaft
- locking
- cabinet door
- piece
- clutch
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- Legal status (The legal status 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 status listed.)
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- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 21
- 230000009471 action Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 239000004579 marble Substances 0.000 description 7
- 231100000136 action limit Toxicity 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
- E05B65/5207—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement
- E05B65/5246—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement rotating
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
- A47B81/005—Devices for storing or displaying rifles, guns, pistols or elongated objects such as fishing rods storing fishing rods
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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
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention provides a bullet cabinet door locking device, comprising: a base; an operation rotating shaft which is pivotally connected with the base body; the locking rotating shaft is connected with the operation rotating shaft in a nested way and can rotate relative to the operation rotating shaft; the clutch piece is arranged in a first through hole formed in the locking rotating shaft along the radial direction in a sliding way, a sliding groove which is correspondingly communicated with the first through hole is formed in the operation rotating shaft, a part of the clutch piece can extend into the sliding groove of the operation rotating shaft so as to realize the combination of the operation rotating shaft and the locking rotating shaft, the operation rotating shaft and the locking rotating shaft synchronously rotate, and the clutch piece is provided with a combination position extending into the operation rotating shaft and a separation position withdrawing from the operation rotating shaft; the driving assembly is in driving connection with the clutch piece and drives the clutch piece to switch from a disengaging position to a combining position so as to unlock the bullet cabinet door locking device. The invention solves the problem of complex structure of the bullet cabinet door locking device in the prior art.
Description
Technical Field
The invention relates to the technical field of bullet cabinets, in particular to a bullet cabinet door locking device.
Background
As shown in fig. 1 and 2, the locking mode of the existing bullet cabinet door realizes the electric unlocking and mechanical emergency unlocking functions of the bullet cabinet door through an electric control lock 10 'and two mechanical locks 20' which are arranged on the bullet cabinet door. The three-fork handle 30 'can be linked with the cabinet door lock latch connecting plate 40' transversely, the top and bottom rods 50 'longitudinally act, the electric control lock bolts 60' extend out during cabinet door locking, the movement of the connecting plate 40 'is limited, and the three-fork handle 30' cannot rotate, so that the cabinet door of the bullet cabinet is locked. The two mechanical lock bolts 70' respectively limit the action of the electric control lock bolts 60', when the emergency unlocking is needed, the corresponding two mechanical keys are respectively inserted to drive the mechanical lock bolts 70' to act, the action limit of the electric control lock bolts 60' is released, the electric control lock bolts 60' are pulled to act upwards, the action limit of the connecting plate 40' is released, the three-fork handle 30' is rotated, the transverse connecting plate 40' can be linked, the longitudinal heaven and earth rods 50' drive the lock bolts to act, and the bullet cabinet door is opened.
This scheme is opened the handle to the cabinet door and is moved the restriction through indirect mode, and the linkage part is more, if the linkage part inefficacy in the action process, then can cause cabinet door locking function inefficacy, and this scheme wholeness is relatively poor, and the structure is more complicated, and the assembly process needs to ensure mechanical lock core and automatically controlled tool to lock mounted position, and the assembly relation between spring bolt and the cabinet door connecting rod, and the equipment degree of difficulty is great.
Disclosure of Invention
The invention mainly aims to provide a bullet cabinet door locking device which is used for solving the problem that the bullet cabinet door locking device in the prior art is complex in structure.
In order to achieve the above object, the present invention provides a bullet cabinet door locking device, comprising: a base; an operation rotating shaft which is pivotally connected with the base body; the locking rotating shaft is connected with the operation rotating shaft in a nested way and can rotate relative to the operation rotating shaft; the clutch piece is arranged in a first through hole formed in the locking rotating shaft along the radial direction in a sliding way, a sliding groove which is correspondingly communicated with the first through hole is formed in the operation rotating shaft, a part of the clutch piece can extend into the sliding groove of the operation rotating shaft so as to realize the combination of the operation rotating shaft and the locking rotating shaft, the operation rotating shaft and the locking rotating shaft synchronously rotate, and the clutch piece is provided with a combination position extending into the operation rotating shaft and a separation position withdrawing from the operation rotating shaft; the driving assembly is in driving connection with the clutch piece and drives the clutch piece to switch from a disengaging position to a combining position so as to unlock the bullet cabinet door locking device.
Further, the bullet cabinet door locking device further comprises an emergency unlocking component, and at least one part of the emergency unlocking component is arranged between the operation rotating shaft and the locking rotating shaft in a penetrating mode so as to unlock the bullet cabinet door locking device.
Further, the emergency unlocking assembly includes: a first lock cylinder; the emergency unlocking rod is arranged in a second through hole formed in the locking rotating shaft along the radial direction in a sliding manner; a linkage rod; the unlocking marble, the linkage rod, the unlocking marble and the emergency unlocking rod are sequentially connected, one end of the linkage rod, which is far away from the unlocking marble, is connected with the first lock cylinder, and when in emergency unlocking, the first lock cylinder drives the linkage rod to move towards the direction, which is close to the locking rotating shaft, and the emergency unlocking rod stretches into the sliding groove of the operating rotating shaft so as to stop between the operating rotating shaft and the locking rotating shaft.
Further, the emergency unlocking assembly further comprises: the output shaft of the first lock cylinder is provided with a locking hole, and one end of the lock pin extends into the locking hole to block the action of the first lock cylinder; the output shaft of the second lock cylinder stretches into the lock pin and drives the lock pin to stretch into and withdraw from the first lock cylinder so as to lock or unlock the first lock cylinder.
Further, the emergency unlocking assembly further comprises a second reset piece, and two ends of the second reset piece are respectively abutted with the emergency unlocking rod and the locking rotating shaft so as to provide reset force for the emergency unlocking rod to drive the emergency unlocking rod to withdraw from the operation rotating shaft.
Further, the drive assembly includes: the output end of the driving piece is provided with a gear; the rack bar is meshed with the gear, and the rack bar is arranged in a sliding mode along the sliding direction of the clutch piece so as to squeeze the clutch piece, so that the clutch piece is switched from the disengaging position to the engaging position.
Further, the bullet cabinet door locking device further comprises a first reset piece, and two ends of the first reset piece are respectively abutted with the clutch piece and the locking rotating shaft so as to provide reset force for the clutch piece to switch from the combination position to the disengagement position.
Further, the bullet cabinet door locking device further comprises: the unlocking detection piece is connected with the base body, and when the rack rod extrudes the clutch piece and the clutch piece moves to the combining position, the rack rod triggers the unlocking detection piece to control the driving piece to stop; the locking detection piece is connected with the base body, and when the rack rod moves in a direction away from the clutch piece and the clutch piece moves to the disengaging position, the rack rod triggers the locking detection piece to control the driving piece to stop.
Further, the bullet cabinet door locking device further comprises: a third reset member; the toggle plate is connected with the locking rotating shaft and synchronously rotates, one end of the third reset piece is propped against the base body, the other end of the third reset piece is propped against the toggle plate, and reset force for switching to the initial position is provided for the locking rotating shaft.
Further, the bullet cabinet door locking device further comprises an operation rotating shaft detection piece, and the operation rotating shaft detection piece is connected with the base body to detect the position of the operation rotating shaft.
Further, the bullet cabinet door locking device further comprises an operation handle, and the operation handle is connected with one end of the operation rotating shaft extending out of the base body.
By adopting the technical scheme, the clutch piece is arranged between the operation rotating shaft and the locking rotating shaft, when the unlocking is needed, the driving assembly drives the clutch piece to move to the combined position, one part of the clutch piece is positioned in the locking rotating shaft, and the other part of the clutch piece is positioned in the operation rotating shaft, so that the operation rotating shaft and the locking rotating shaft synchronously move, at the moment, the operation rotating shaft can drive the locking rotating shaft to move to unlock the bullet cabinet door locking device, when the unlocking is not needed, the clutch piece is positioned at the disengaging position, and the operation rotating shaft and the locking rotating shaft can relatively move, at the moment, even if the operation rotating shaft is operated, the locking rotating shaft can not be driven to move, so that the bullet cabinet door locking device is kept in the locking state. The bullet cabinet door locking device has the advantages that the structure of the bullet cabinet door locking device is simplified, all components are convenient to assemble, the indirect locking mode in the prior art is changed into the direct locking mode, a plurality of linkage structures are omitted, the structure is simple, direct and reliable, meanwhile, the locking rotating shaft of the bullet cabinet door locking device adopts the scheme of idle locking in the locking state, and the anti-theft performance is high.
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 structural view of a prior art bullet cabinet;
FIG. 2 shows a schematic view of the internal structure of the bullet cabinet of FIG. 1;
FIG. 3 shows a schematic view of the bullet door latch of the present invention mounted to a bullet cabinet;
FIG. 4 shows a schematic view of the bullet door latch of FIG. 3;
FIG. 5 shows an exploded view of FIG. 4;
FIG. 6 shows a schematic view of the clutching member of the bullet door lock of FIG. 4 in an engaged position;
FIG. 7 shows a schematic view of the clutching member of the bullet door lock of FIG. 4 in a disengaged position; and
fig. 8 shows a schematic view of the bullet door lock in fig. 4 in an emergency unlocking.
Wherein the above figures include the following reference numerals:
10', an electric control lock; 20', mechanical lock; 30', a three-fork handle; 40', a connecting plate; 50', heaven and earth stems; 60', an electric control lock tongue; 70', mechanical lock bolts; 10. a base; 20. operating the rotating shaft; 21. a sliding groove; 30. locking the rotating shaft; 40. a clutch member; 50. a drive assembly; 51. a driving member; 52. a rack bar; 60. a first reset member; 70. unlocking the detection piece; 80. a latch detection member; 90. an emergency unlocking assembly; 91. a first lock cylinder; 92. an emergency release lever; 93. a linkage rod; 94. unlocking the marble; 95. a locking pin; 96. a second lock cylinder; 97. a second reset member; 100. a third reset member; 110. a toggle plate; 120. operating the rotating shaft detecting piece; 130. the handle is operated.
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.
In order to solve the problem of complex structure of a bullet cabinet door locking device in the prior art, the invention provides the bullet cabinet door locking device.
A bullet cabinet door locking device as shown in fig. 3 to 5, comprising a base 10, an operating shaft 20, a locking shaft 30, a clutch member 40 and a driving assembly 50, wherein the operating shaft 20 is pivotally connected with the base 10; the locking rotating shaft 30 is connected with the operating rotating shaft 20 in a nested way and can rotate relative to the operating rotating shaft 20; the clutch member 40 is slidably disposed in a first through hole formed in the locking shaft 30 in a radial direction, a sliding groove 21 corresponding to the first through hole is formed in the operating shaft 20, and a part of the clutch member 40 can extend into the sliding groove 21 of the operating shaft 20 to realize the combination of the operating shaft 20 and the locking shaft 30, so that the operating shaft 20 and the locking shaft 30 rotate synchronously, and the clutch member 40 has a combination position extending into the operating shaft 20 and a release position withdrawing from the operating shaft 20; the driving assembly 50 is in driving connection with the clutch member 40, and drives the clutch member 40 to switch from the disengaged position to the engaged position, so as to unlock the bullet door locking device.
In this embodiment, by disposing the clutch member 40 between the operating shaft 20 and the locking shaft 30, when unlocking is required, the driving assembly 50 drives the clutch member 40 to move to the coupling position, and a part of the clutch member 40 is located in the locking shaft 30, and another part of the clutch member is located in the operating shaft 20, so that the operating shaft 20 and the locking shaft 30 move synchronously, and at this time, the operating shaft 20 can drive the locking shaft 30 to move to unlock the bullet cabinet door locking device, as shown in fig. 6. When the unlocking is not needed, the clutch member 40 is located at the disengaging position, and the operation rotating shaft 20 and the locking rotating shaft 30 can move relatively, so that the locking rotating shaft 30 is not driven to move even if the operation rotating shaft 20 is operated, and the bullet cabinet door locking device is kept in the locking state, as shown in fig. 7. The structure of bullet cabinet door locking device has been simplified to above-mentioned setting mode, conveniently assembles each subassembly, changes the indirect locking mode of prior art into direct locking mode, has cancelled a plurality of linkage structures, simple structure, directness, reliable, simultaneously, bullet cabinet door locking device adopts the scheme of idle running locking in locking state time locking pivot 30, and the theftproof nature is high.
As shown in fig. 5 to 7, the operation shaft 20 has a sliding groove 21 opened in a radial direction of the operation shaft 20, the latch shaft 30 has a first through hole communicating with the sliding groove 21, and the first through hole communicates with an outer peripheral wall of the latch shaft 30, and the latch shaft 30 is located outside the operation shaft 20. A part of the operation rotating shaft 20 extends out of the base body 10, a locking rotating shaft 30 is sleeved on the other end of the operation rotating shaft 20, the clutch piece 40 is positioned until the rotating shaft, at least a part of the locking rotating shaft is positioned in the first through hole, and the driving assembly 50 extrudes the locking rotating shaft so as to enable the locking rotating shaft to extend into or withdraw from the sliding groove 21.
Alternatively, the driving assembly 50 includes a driving member 51 and a rack bar 52, and an output end of the driving member 51 is provided with a gear; the rack bar 52 is engaged with the gear, and the rack bar 52 is slidably disposed along the sliding direction of the clutch member 40 to press the clutch member 40, so that the clutch member 40 is switched from the disengaged position to the engaged position.
Specifically, the driving member 51 is a driving motor, the output end of the driving motor is provided with a gear, the rack bar 52 and the base body 10 are slidably arranged, the sliding direction of the rack bar 52 is the same as that of the clutch member 40, the gear is meshed with the rack bar 52, and the gear is driven to rotate by the driving motor to drive the rack bar 52 to slide, so that the clutch member 40 is extruded by the rack bar 52, the clutch member 40 stretches into the sliding groove 21, and unlocking of the bullet cabinet door locking device is realized.
In this embodiment, the bullet cabinet door locking device further includes a first reset element 60, where two ends of the first reset element 60 respectively abut against the clutch element 40 and the locking shaft 30, so as to provide a reset force for the clutch element 40 to switch from the engaged position to the disengaged position. The first resetting member 60 is a spring, the clutch member 40 and the inner wall of the first through hole are both provided with a step structure, one end of the first resetting member 60 is abutted on the step structure of the clutch member 40, and the other end is abutted on the step structure of the first through hole, so that the first resetting member 60 can drive the clutch member 40 to withdraw from the sliding groove 21, and the clutch member 40 can be kept at the disengaging position all the time when the rack bar 52 does not press the clutch member 40.
Optionally, the bullet cabinet door locking device further includes an unlocking detection member 70 and a locking detection member 80, where the unlocking detection member 70 and the locking detection member 80 are both connected to the base 10, and the unlocking detection member 70 and the locking detection member 80 are preferably limit switches and are both located on a movement path of the rack rod 52, and when the rack rod 52 presses the clutch member 40, the clutch member 40 moves to the combined position, the rack rod 52 triggers the unlocking detection member 70 to control the driving member 51 to stop, and the bullet cabinet door locking device unlocks; when the rack bar 52 moves away from the clutch member 40, the rack bar 52 triggers the lock detector 80 to control the driver 51 to stop and the bullet door lock to lock when the clutch member 40 moves to the disengaged position.
In this embodiment, the bullet door latch further comprises an emergency unlocking assembly 90, at least a portion of the emergency unlocking assembly 90 extending into the sliding slot 21 through the second through hole of the latch spindle 30 to unlock the bullet door latch. The above arrangement allows unlocking of the bullet door latch only by requiring the clutch 40 or the emergency unlocking assembly 90 to stop between the operating spindle 20 and the latch spindle 30.
Specifically, the emergency unlocking assembly 90 includes a first lock cylinder 91, an emergency unlocking rod 92, a linkage rod 93 and unlocking pins 94, the emergency unlocking rod 92 is slidably disposed in a second through hole formed in the locking shaft 30 along the radial direction, and the second through hole and the first through hole are disposed at 180 degrees intervals along the circumferential direction of the locking shaft 30; the linkage rod 93, the unlocking ball 94 and the emergency unlocking rod 92 are sequentially abutted, one end of the linkage rod 93, which is far away from the unlocking ball 94, is connected with the first lock cylinder 91, and during emergency unlocking, the first lock cylinder 91 drives the linkage rod 93 to move towards the direction close to the locking rotating shaft 30, and the emergency unlocking rod 92 stretches into the sliding groove 21 so as to be stopped between the operating rotating shaft 20 and the locking rotating shaft 30. The output shaft of the first lock cylinder 91 has a semicircular structure, when the first lock cylinder 91 does not rotate, the plane part of the side surface of the output end contacts the linkage rod 93, at this time, the emergency unlocking rod 92 is positioned in the second through hole, the interface of the unlocking marble 94 and the emergency unlocking rod 92 is flush with the outer circumferential surface of the locking rotating shaft 30, when emergency unlocking is needed, the first lock cylinder 91 is operated to rotate by using the first unlocking key, the output shaft of the first lock cylinder 91 extrudes the linkage rod 93, the linkage rod 93 extrudes the unlocking marble 94 and the emergency unlocking rod 92, a part of the emergency unlocking rod 92 stretches into the sliding groove 21, thereby the emergency unlocking rod 92 plays a stop role of the clutch piece 40, the operating rotating shaft 20 can rotate together with the locking rotating shaft 30, unlocking of the bullet cabinet door locking device is realized, and at this time, the interface of the unlocking marble 94 and the linkage rod 93 is flush with the outer circumferential surface of the locking rotating shaft 30.
As shown in fig. 8, in the present embodiment, the emergency unlocking assembly 90 further includes a lock pin 95 and a second lock cylinder 96, the output shaft of the first lock cylinder 91 has a locking hole, and one end of the lock pin 95 extends into the locking hole to block the action of the first lock cylinder 91; the output shaft of the second lock cylinder 96 extends into the lock pin 95 and drives the lock pin 95 to extend into and withdraw from the first lock cylinder 91 to lock or unlock the first lock cylinder 91. The locking hole is formed along the radial direction of the output shaft of the first lock cylinder 91, one end of the lock pin 95 can extend into the locking hole, at this time, the first lock cylinder 91 is locked and cannot rotate, emergency unlocking cannot be achieved, the action of the lock pin 95 is controlled by the second lock cylinder 96, the output end of the second lock cylinder 96 extends into the lock pin 95 and drives the lock pin 95 to slide so that the lock pin 95 extends into or exits from the locking hole, and therefore the second lock cylinder 96 is matched with the first lock cylinder 91 together, controllability of emergency unlocking is further guaranteed, when emergency unlocking is needed, the second lock cylinder 96 needs to be unlocked by the aid of the second unlocking key, then the first lock cylinder 91 is unlocked by the aid of the first unlocking key, emergency unlocking can be achieved, and accordingly safety of the emergency unlocking assembly 90 is improved. The first unlocking key and the second unlocking key can be managed by different staff respectively, so that management is facilitated. Of course, more lock cylinders may be added to the second lock cylinder 96 to further enhance the security of the emergency unlocking assembly 90.
Optionally, the emergency unlocking assembly 90 further includes a second reset member 97, where two ends of the second reset member 97 respectively abut against the emergency unlocking rod 92 and the locking shaft 30, so as to provide a reset force for the emergency unlocking rod 92 to drive the emergency unlocking rod 92 to withdraw from the sliding groove 21. The second return spring is a linear spring, and the second return member 97 is sleeved on the emergency release lever 92, so that the emergency release lever 92 is always out of the sliding groove 21 when not operated. The emergency unlocking assembly 90 further comprises a fourth reset member, which is also a linear spring, and is sleeved outside the linkage rod 93 and is abutted to the linkage rod 93 and the base body 10, so that the linkage rod 93 is always in contact with the first lock cylinder 91.
In this embodiment, the bullet cabinet door locking device further includes a third reset element 100 and a toggle plate 110, where the toggle plate 110 is connected to the locking shaft 30 and rotates synchronously with the same, and one end of the third reset element 100 abuts against the base 10, and the other end abuts against the toggle plate 110, and provides a reset force for switching the locking shaft 30 to the initial position. The toggle plate 110 rotates synchronously with the locking rotating shaft 30, the toggle plate 110 is provided with a toggle position extending along the axial direction, and the third reset piece 100 is a torsion spring which is abutted with the toggle position, so that reset force for rotating the toggle plate 110 and the locking rotating shaft 30 to an initial position is provided. For a bullet door, one end of the locking shaft 30 is usually required to be connected to other components, and the initial position is that the locking shaft 30 is located at a position where the subsequent components are in a locked state, that is, the position of the locking shaft 30 when the whole bullet door is in a locked state is the initial position.
Optionally, the bullet cabinet door locking device further includes an operation rotation shaft detecting member 120, where the operation rotation shaft detecting member 120 is connected to the base 10, and the operation rotation shaft detecting member 120 is matched with the toggle position to detect the position of the operation rotation shaft 20.
In this embodiment, the bullet cabinet door locking device further comprises an operation handle 130, and the operation handle 130 is connected to an end of the operation shaft 20 extending out of the base 10, so as to facilitate the operation of a user.
It should be noted that, in the above embodiments, a plurality refers to at least two.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
1. solves the problem of complex structure of the bullet cabinet door locking device in the prior art;
2. the indirect locking mode in the prior art is changed into a direct locking mode, a plurality of linkage structures are eliminated, and the structure is simple, direct and reliable;
3. the locking device of the bullet cabinet door adopts the scheme of idle locking when locking the rotating shaft, and has high anti-theft property.
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 (8)
1. A bullet cabinet door latch comprising:
a base body (10);
an operating spindle (20), the operating spindle (20) being pivotally connected to the base body (10);
the locking rotating shaft (30) is connected with the operation rotating shaft (20) in a nested way and can rotate relative to the operation rotating shaft (20);
the clutch piece (40) is slidably arranged in a first through hole formed in the locking rotating shaft (30) along the radial direction, a sliding groove (21) correspondingly communicated with the first through hole is formed in the operation rotating shaft (20), a part of the clutch piece (40) can extend into the sliding groove (21) of the operation rotating shaft (20) so as to realize the combination of the operation rotating shaft (20) and the locking rotating shaft (30), the operation rotating shaft (20) and the locking rotating shaft (30) synchronously rotate, and the clutch piece (40) is provided with a combination position extending into the operation rotating shaft (20) and a separation position withdrawing from the operation rotating shaft (20);
the driving assembly (50) is in driving connection with the clutch piece (40) and drives the clutch piece (40) to be switched from the disengaging position to the engaging position so as to unlock the bullet cabinet door locking device;
the bullet cabinet door locking device further comprises an emergency unlocking component (90), wherein at least one part of the emergency unlocking component (90) is arranged between the operation rotating shaft (20) and the locking rotating shaft (30) in a penetrating way so as to unlock the bullet cabinet door locking device;
the emergency unlocking assembly (90) comprises:
a first lock cylinder (91);
the emergency unlocking rod (92) is arranged in a second through hole formed in the locking rotating shaft (30) in the radial direction in a sliding manner;
a link lever (93);
the unlocking pin (94), the linkage rod (93), the unlocking pin (94) and the emergency unlocking pin (92) are sequentially connected, one end, far away from the unlocking pin (94), of the linkage rod (93) is connected with the first lock cylinder (91), during emergency unlocking, the first lock cylinder (91) drives the linkage rod (93) to move towards a direction close to the locking rotating shaft (30), and the emergency unlocking pin (92) stretches into the sliding groove (21) of the operation rotating shaft (20) to stop between the operation rotating shaft (20) and the locking rotating shaft (30);
the emergency unlocking assembly (90) further comprises:
a lock pin (95), wherein an output shaft of the first lock cylinder (91) is provided with a locking hole, and one end of the lock pin (95) extends into the locking hole to block the action of the first lock cylinder (91);
the output shaft of the second lock cylinder (96) stretches into the lock pin (95) and drives the lock pin (95) to stretch into and withdraw from the first lock cylinder (91) so as to lock or unlock the first lock cylinder (91).
2. The bullet cabinet door locking device according to claim 1, wherein the emergency unlocking assembly (90) further comprises a second reset piece (97), and two ends of the second reset piece (97) are respectively abutted with the emergency unlocking rod (92) and the locking rotating shaft (30) so as to provide a reset force for the emergency unlocking rod (92) to drive the emergency unlocking rod (92) to withdraw from the operation rotating shaft (20).
3. Bullet cabinet door latch as claimed in claim 1, wherein said drive assembly (50) comprises:
the driving piece (51), the output end of the driving piece (51) is provided with a gear;
and a rack bar (52), wherein the rack bar (52) is meshed with the gear, and the rack bar (52) is arranged in a sliding way along the sliding direction of the clutch piece (40) so as to press the clutch piece (40) to enable the clutch piece (40) to be switched from the disengaging position to the engaging position.
4. The bullet cabinet door locking device according to claim 1, further comprising a first reset member (60), wherein two ends of the first reset member (60) are respectively abutted with the clutch member (40) and the locking rotating shaft (30) to provide a reset force for the clutch member (40) to switch from the engaged position to the disengaged position.
5. A bullet door latch as in claim 3, further comprising:
an unlocking detection member (70), wherein the unlocking detection member (70) is connected with the base body (10), and when the rack bar (52) presses the clutch member (40), the clutch member (40) moves to the combination position, the rack bar (52) triggers the unlocking detection member (70) to control the driving member (51) to stop;
and the locking detection piece (80), the locking detection piece (80) is connected with the base body (10), and when the rack rod (52) moves in a direction away from the clutch piece (40), the clutch piece (40) moves to the disengaging position, the rack rod (52) triggers the locking detection piece (80) to control the driving piece (51) to stop.
6. The bullet door latch of claim 1 wherein said bullet door latch further comprises:
a third reset member (100);
the toggle plate (110), toggle plate (110) with the locking pivot (30) is connected and the two synchronous rotations, one end of third restoring element (100) supports and presses on base member (10), and the other end supports and is in toggle plate (110), and for locking pivot (30) provides the restoring force of switching to initial position.
7. The bullet door latch of claim 1 further comprising an operating spindle detector (120), said operating spindle detector (120) being coupled to said base (10) to detect the position of said operating spindle (20).
8. Bullet cabinet door locking device according to claim 1, characterized in that it further comprises an operating handle (130), said operating handle (130) being connected to the end of said operating shaft (20) protruding out of said base body (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497095.7A CN109441252B (en) | 2018-12-07 | 2018-12-07 | Bullet cabinet door locking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497095.7A CN109441252B (en) | 2018-12-07 | 2018-12-07 | Bullet cabinet door locking device |
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| CN109441252A CN109441252A (en) | 2019-03-08 |
| CN109441252B true CN109441252B (en) | 2024-03-15 |
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| CN201811497095.7A Active CN109441252B (en) | 2018-12-07 | 2018-12-07 | Bullet cabinet door locking device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114743816B (en) * | 2021-01-07 | 2023-09-22 | 珠海优特电力科技股份有限公司 | Lock locking device and using method |
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| CN109441252A (en) | 2019-03-08 |
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