CN110277027A - A kind of linkage lock, LED box and LED display - Google Patents
A kind of linkage lock, LED box and LED display Download PDFInfo
- Publication number
- CN110277027A CN110277027A CN201910653231.5A CN201910653231A CN110277027A CN 110277027 A CN110277027 A CN 110277027A CN 201910653231 A CN201910653231 A CN 201910653231A CN 110277027 A CN110277027 A CN 110277027A
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- gear
- drag hook
- rack gear
- lock
- rack
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- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 7
- 230000004308 accommodation Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 9
- 239000002360 explosive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0208—Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Gear Transmission (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present invention relates to linkage lock, LED box and LED display, linkage lock includes handle assembly, the first rack gear and at least one drag hook component, and handle assembly, drag hook component engage connection with the first rack gear；Wherein, handle assembly includes handpiece and main drive gear, and handpiece is fixedly connected with transmission gear, and transmission gear is connect with the first rack gear, and transmission gear drives the first rack displacement；Drag hook component includes driven gear and drag hook, and driven gear is connect with drag hook, and driven gear is connect with the first rack gear, the displacement drive driven gear rotation of the first rack gear, the rotation of the rotate driving drag hook of driven gear.Gear drive is formed by main drive gear, the first rack gear and driven gear, a handle component can drive the rotation of several drag hook components, realize locking and unlock, and easy to operate, locking effect is stablized.
Description
Technical field
The present invention relates to LED display fields, more particularly to a kind of linkage lock, LED box and LED display.
Background technique
LED has the characteristics that low energy consumption, high brightness, beautiful in colour, environmentally friendly, be widely used in outdoor display, monitoring center,
More and more scenes such as advertisement/display advertising, stage.LED display generally has multiple unit boxs to be spliced, and passes through
Positioning column ensures the plane and reliability of splicing plane with lock.
Now to the splicing of LED display, more and more require easy to operate, quick and reliable and stable.This point exists
In lease field, especially embody obvious.And in existing splicing construction, the positioning of cabinet is carried out by positioning column first,
Then operation is located at the rapid latch on four sides, locks adjacent cabinet.It locks and unlocks in operation, is typically necessary three
To four steps, operation is more complicated, and time-consuming and laborious, efficiency is lower.
Summary of the invention
Based on this, it is necessary to aiming at the problem that complicated for operation existing for the existing splicing construction, low efficiency, propose a kind of linkage
Lock, LED box and LED display.
One embodiment of the invention provides a kind of linkage lock, including handle assembly, the first rack gear and at least one drawing
Hook part, the handle assembly, drag hook component engage connection with first rack gear；Wherein,
The handle assembly includes handpiece and main drive gear, and the handpiece and the transmission gear, which are fixed, to be connected
It connects, the transmission gear is connect with first rack gear, and the transmission gear drives first rack displacement；
The drag hook component includes driven gear and drag hook, and the driven gear is connect with the drag hook, described driven
Gear is connect with first rack gear, the rotation of driven gear described in the displacement drive of first rack gear, the driven gear
The rotation of drag hook described in rotate driving.
In some embodiments, the drag hook component further includes gear shaft and damping device, the gear shaft and it is described from
Moving gear is fixedly connected, and the drag hook is provided with mounting hole, and the gear shaft is at least partly placed in the mounting hole；It is described
Damping device is arranged between the gear shaft and the drag hook.
In some embodiments, the gear shaft is not identical as the axle center line position of the driven gear, the gear shaft
Structure is eccentrically rotated with driven gear composition.
In some embodiments, accommodation groove is provided on the side of the gear shaft, the damping device is set in described
On gear shaft, and part is placed in the accommodation groove.
In some embodiments, the handle assembly further includes axle sleeve, ratchet and detent lock, and the main drive gear is also
It is provided with connecting column, the axle sleeve is set on the connecting column, and the ratchet is arranged in the sleeve outer surface；The detent
Lock is mounted on the handpiece, and one end of the detent lock is provided with the clamp with the ratchet clamping.
In some embodiments, further include reduction gearing, the reduction gearing respectively with the main drive gear, the first tooth
Item engagement connection.
It in some embodiments, further include at least one second rack gear and relay gear, at least one described drag hook portion
Part engages connection with second rack gear；The relay gear engages connection with first rack gear and the second rack gear.
One embodiment of the invention additionally provides a kind of LED box, including LED shows cabinet and at least one blocking lock
Button, the linkage lock are fixed at the edge that the LED shows cabinet；The linkage lock is any one of aforementioned linkage
Lock.
In some embodiments, the linkage lock further includes second rack gear and relay gear, at least one institute
It states drag hook component and engages connection with second rack gear；The relay gear engages company with first rack gear and the second rack gear
It connects；
The LED box includes 2 linkage locks.
It is described another embodiment of the present invention provides a kind of LED display, including braced frame and several LED boxes
LED box is aforementioned described in any item LED boxes, and the LED box is mounted in the braced frame, adjacent LED case
Body is buckled by blocking lock to be spliced.
Linkage provided in an embodiment of the present invention lock, be arranged on handle assembly and drag hook component respectively main drive gear and
Driven gear forms gear transmission structure, if the rotation of handle assembly can drive dry drawing using the first rack gear being attached thereto
The rotation of hook part, control drag hook and adjacent fitted shaft in clamping, separate and switch between two states, realize locking and solution
Lock, easy to operate, locking effect is stablized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the linkage lock of one embodiment of the invention；
Fig. 2 is the explosive view of the drag hook component in one embodiment of the invention；
Fig. 3 is the schematic diagram of the section structure in Fig. 1 along AA ' line；
Fig. 4 is the explosive view of the handle assembly in one embodiment of the invention；
Fig. 5 is the structural schematic diagram of the main drive gear in one embodiment of the invention；
Fig. 6 is the structural schematic diagram in one embodiment of the invention after the assembling of handle assembly part；
Fig. 7 is the schematic diagram of the section structure in Fig. 6 along BB ' line；
Fig. 8 is schematic diagram of the drag hook component under different conditions in one embodiment of the invention；
Fig. 9 is the structural schematic diagram of the linkage lock of another embodiment of the present invention；
Figure 10 is that the linkage of another embodiment of the present invention latches in the structural schematic diagram under another visual angle；
Figure 11 is the partial enlarged view of region C in Figure 10；
Figure 12 is the explosive view of the linkage lock of another embodiment of the present invention；
Figure 13 is the structural schematic diagram of the LED box of one embodiment of the invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention will be described in detail.It should be noted that in the absence of conflict, presently filed embodiment and reality
The feature applied in mode can be combined with each other.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
As shown in figs 1 to 6, one embodiment of the invention provides a kind of linkage lock 100, including handle assembly 110, the
One rack gear 130 and at least one drag hook component 120, handle assembly 110, drag hook component 120 and 130 company of engagement of the first rack gear
It connects；Wherein,
Handle assembly 110 includes handpiece 111, main drive gear 112, and handpiece 111 and transmission gear 112, which are fixed, to be connected
It connects, transmission gear 112 is connect with the first rack gear 130, and transmission gear 112 drives the displacement of the first rack gear 130；
Drag hook component 120 includes driven gear 121 and drag hook 122, and driven gear 121 is connect with drag hook 122, driven tooth
Wheel 121 is connect with the first rack gear 130, and the displacement drive driven gear 121 of the first rack gear 130 rotates, the rotation of driven gear 121
Drive the rotation of drag hook 122.
The quantity of drag hook component 120 can be determined according to actual needs.As shown in Figure 1, linkage lock 100 can be with
Including 110,2 drag hook components 120 of a handle component and the first rack gear 130.Be arranged on first rack gear 130 it is with teeth, can be with
Connection is engaged with handle assembly 110, drag hook component 120.Can be respectively provided on one end face of the first rack gear 130 it is with teeth, can also be with
Tooth, such as handle assembly 110, the corresponding region of drag hook component 120 only are set in the region of needs.First rack gear 130, can be
The rack gear of rigidity, is also possible to the rack gear of flexible substrates, such as belt like rack gear.When the first rack gear 130 is belt like tooth
When, the first rack gear 130 be ring-shaped.
As shown in Figures 2 and 3, drag hook component 120, which includes at least, a driven gear 121 and drag hook 122, and drag hook 122 can be with
It is directly fixedly connected, can also be indirectly connected with by other structures with driven gear 121.Driven gear 121 and the first rack gear 130
Engagement, the displacement of the first rack gear 130 can drive driven gear 121 to rotate, and then drag hook 122 is driven to rotate, to allow drag hook
122 in adjacent 2200 clamping of fitted shaft, separates and switch between two states.
The displacement of first rack gear 130, is driven by handle assembly 110.As shown in Figures 4 to 6, handle assembly 110 at least wraps
Handpiece 111, main drive gear 112 are included, handpiece 111 is fixedly connected with main drive gear 112.Main drive gear 112 and
The connection of one rack gear 130.Handpiece 111 can be the structures such as handle, cross bar, pull ring, as long as can facilitate manual operation.?
In example shown in Fig. 4 to 6, handpiece 111 is handle.
Handpiece 111 is fixedly connected with mode with main drive gear 112, can be screw and fixes, be also possible to clamping or
Other limit methods of person realize handpiece as long as being fixed to each other between handpiece 111 and main drive gear 112 can be ensured
111 rotation drives main drive gear 112 to rotate together.In the example shown in Fig. 4 to 6, main drive gear 112 is close
One end of handpiece 111 is provided with boss, and boss has at least one corner angle, and the corresponding boss of handpiece 111 is provided with container,
The shape of container and the shape of boss match.There is the boss and matched container of corner angle, Ke Yirang by being arranged
Handpiece 111 is kept fixed with main drive gear 112 and connect, realize handpiece 111 to the induced effect of main drive gear 112,
Avoid slipping phenomenon.It is understood that boss also can be set on handpiece 111, container also be can be set in main biography
On moving gear 112.
Connection between main drive gear 112 and the first rack gear 130 can directly engage connection, can also pass through it
He is indirectly connected with component.Preferably, in order to lock the biggish device of weight, the locking dynamics and stability of lock are improved,
As shown in figure 4, handle assembly 110 further includes having reduction gearing 113,113 one side of reduction gearing is engaged with main drive gear 112
Connection, on the other hand engages connection with the first rack gear 130.By the way that reduction gearing 113 is arranged, increases torque, improve and be applied to
Dynamics on first rack gear 130 is suitable for the locking biggish device of weight.
When needing to lock, according to a direction rotating hand part 111, the first rack gear is driven by main drive gear 112
130 displacements；While first rack gear 130 is displaced, the driven gear 121 on drag hook component 120 is driven to rotate, and then drive drag hook
122 rotations, drag hook 122 and 2200 clamping of fitted shaft in adjacent devices.In this way, locking can be realized.Because being to utilize gear
Transmission, when locking, the engagement of gear, firm effect when can be locked with effective guarantee.
When needing to unlock, opposite direction rotating hand part 111 drives the displacement of the first rack gear 130 by main drive gear 112
Back；First rack gear 130 drives the driven gear 121 on drag hook component 120 to rotate backward simultaneously, and then drives drag hook 122 anti-
It to rotation, is separated with the fitted shaft 2200 in adjacent devices, realizes unlock.
In the present embodiment, main drive gear 112 and driven tooth are set on handle assembly 110 and drag hook component 120 respectively
Wheel forms gear transmission structure, if the rotation of handle assembly 110 can drive dry drawing using the first rack gear 130 being attached thereto
The rotation of hook part 120, control drag hook 122 and adjacent fitted shaft 2200 in clamping, separate and switch between two states, realize
Locking and unlock, easy to operate, locking effect is stablized.
As shown in Figures 2 and 3, drag hook component 120 further includes gear shaft 123 and damping device 124, gear shaft 123 with from
Moving gear 121 is fixedly connected, and drag hook 122 is provided with mounting hole, and at least part of gear shaft 123 is placed in mounting hole；Damping
Device 124 is arranged between gear shaft 123 and drag hook 122, to provide frictional force, gear between gear shaft 123 and drag hook 122
The rotation of axis 123 drives drag hook 122 to rotate.
Mounting hole on drag hook 122, can be blind hole, be also possible to through-hole.In the embodiment shown in Fig. 2 and Fig. 3, peace
Dress hole is through-hole, and gear shaft 123 is placed in mounting hole.Accommodation groove, damping device 124 are provided on the side of gear shaft 123
It is set on gear shaft 123, and part is placed in accommodation groove.Damping device 124 can be specifically rubber ring, washer etc., only
It wants that frictional force can be provided between gear shaft 123 and drag hook 122.
Being fixedly connected between gear shaft 123 and driven gear 121, can there are many implementation, such as screw fix,
Clamping or other limit methods.In some embodiments, between gear shaft 123 and driven gear 121, a setting has extremely
The boss of few corner angle, the container of another setting Corresponding matching shape realize tooth by the cooperation of boss and container
Being fixedly connected between wheel shaft 123 and driven gear 121.
Being fixedly connected between gear shaft 123 and driven gear 121, either concentric --- gear shaft 123 with from
The axial line of moving gear 121 is overlapped；It is also possible to bias --- the axle center line position of gear shaft 123 and driven gear 121 is not
It is identical.
Preferably, as shown in Fig. 3 and Fig. 8, gear shaft 123 is not identical as the axle center line position of driven gear 121.At this point,
The end face of gear shaft 123 is greater than the end face of driven gear 121, and gear shaft 123 and the composition of driven gear 121 are eccentrically rotated structure.
As shown in figure 8, gear shaft 123 is eccentrically rotated when driven gear 121 is driven and rotated by the first rack gear 130.Setting
Damping device 124 between gear shaft 123 and drag hook 122 provides frictional force, and being eccentrically rotated for gear shaft 123 will drive drag hook
122 rotate together.Meanwhile gear shaft 123 is eccentrically rotated, and also will drive drag hook 122 close to or far from linkage lock 100.
In locking, as shown in figure 8, because the frictional force size of the offer of damping device 124 is limited, when drag hook 122 and adjacent devices
After fitted shaft 2200 contacts, drag hook 122 is provided reaction force by fitted shaft 2200, stops rotating；But gear shaft 123 is inclined
Heart rotation will drive drag hook 122 and continue to want the direction movement close to linkage lock 100, to tense adjacent devices.Therefore, it is arranged
Gear shaft 123 is not identical as the axle center line position of driven gear 121, and formation is eccentrically rotated structure, and linkage can not only be allowed to latch
100 realize locking, can also adjust the spacing of adjacent devices simultaneously.
As shown in Fig. 4, Fig. 6 and Fig. 7, handle assembly 110 can also include that axle sleeve 114, ratchet 115 and detent lock 116,
Main drive gear 112 is additionally provided with connecting column, and axle sleeve 114 is set on connecting column, and ratchet 115 is arranged in 114 outer surface of axle sleeve；
Detent lock 116 is mounted on handpiece 111, and one end of detent lock 116 is provided with the clamp with 115 clamping of ratchet.
Connecting column can be set on the end face of main drive gear 112, boss is arranged on the end face of connecting column.Axle sleeve
114 are set on the connecting column of main drive gear 112.The device that axle sleeve 114 can be installed with linkage lock 100 is fixed to be connected
It connects；It can also allow handle assembly 110 that a pedestal is set, axle sleeve 114 is fixedly connected with pedestal.Ratchet 115, can be with axle sleeve
114 separation, become independent component；It can also be integrally formed with axle sleeve 114, by forming card slot item on the surface of axle sleeve 114
Line, to form ratchet 115.
Detent lock 116 is mounted on handpiece 111, and one end of detent lock 116 is provided with clamp.Clamp can be with ratchet
115 clampings limit the rotation of handpiece 111 with locking handpiece 111.Detent lock 116 is operated, clamp can divide with ratchet 115
From to discharge handpiece 111, handpiece 111 can be freely rotated.
Such as Fig. 4, Fig. 6 and Fig. 7, handle assembly 110 can also include torsional spring 117, and detent lock 116 is rotated by shaft to be installed
On handpiece 111, torsional spring 117 is set in shaft, and one end of torsional spring 117 is connect with detent lock 116, the other end and handpiece
111 connections.By the way that torsional spring 117 is arranged, the reset of detent lock 116 can be assisted, for example be reset to lockup state, can kept away in this way
Exempt from the maloperation that handle assembly 110 is occurred by accidental action power, improves the stability of lock state.It is understood that
It is that, in order to realize the reset of detent lock, other resetting structures, such as compressed spring etc. also can be used.
As shown in Fig. 9-Figure 12, linkage lock 100, further includes at least one second rack gear 140 and relay gear 150,
At least one drag hook component 120 engages connection with the second rack gear 140；Relay gear 150 respectively with the first rack gear 130 and the second tooth
The engagement connection of item 140.
At least one second rack gear 140 can be set in linkage lock 100.In this way, a handle component 110 can allow, together
When control at least 2 sides, operate with the lockings of adjacent devices, unlock.In the example shown in Fig. 9-Figure 12, linkage lock 100
It is provided with second rack gear 140, a handle component 100 is achieved in and controls 2 sides and adjacent devices lockings, unlock.
When setting is there are two when the second rack gear 140, two the second rack gears 140 are separately positioned on the both ends of the first rack gear, are achieved in one
A handle assembly 100 controls 3 sides and adjacent devices lockings, unlock.When setting is there are three the second rack gear 140, the first tooth
Item 130, the second rack gear 140 enclose set it is rectangular in one, between the second rack gear 140 also by relay gear engagement be driven.By
This, a handle component 100 can control 4 sides and adjacent devices lockings, unlock.
As shown in Fig. 9-Figure 12, linkage lock 100 further includes having positioning pin 190, the first rack gear 130 and/or the second rack gear
140 are correspondingly arranged on locating slot 131, and positioning pin 190 is inserted into locating slot 131, when the first rack gear 130 and/or the second rack gear
140 when being moved to predeterminated position, and positioning pin 190 resists the inner wall of locating slot 131, realizes the effect of positioning, limit, further mentions
Rise the stability of locking.
In order to effectively promote positioning, limit effect, locating slot 131 can be in broken line or curvilinear path.
In order to provide support to the first rack gear 130 and/or the second rack gear 140, as shown in Fig. 8-Figure 12, linkage lock 100
It further include having support shaft 160.
As shown in Fig. 2, Fig. 4 and Fig. 9-Figure 12, linkage lock 100 can also include several mounting blocks 101, handle assembly
110, drag hook component 120 and relay gear 150 can be set on mounting blocks 101.In this way, can be convenient linkage lock 100
Assembling and installation.
Linkage lock 100 can also include shell, and all parts of linkage lock 100 may be mounted in shell, hold
Part 111, drag hook 122 are at least partly exposed at outside shell.Handle assembly 110, drag hook component 120, relay gear 150, the first tooth
Item 130, the second rack gear 140, positioning pin 190, support shaft 160 can be partly or entirely arranged inside the shell.In this way, when needing
When by installation linkage lock 100, it is only necessary to which shell is mounted on target devices.It is to be appreciated that can also be not required to
Shell is wanted, and all parts of linkage lock 100 are directly separately mounted to the corresponding position on target devices.
Linkage lock provided in this embodiment, is arranged main drive gear on handle assembly 110 and drag hook component 120 respectively
112 and driven gear, using the first rack gear 130 being attached thereto, gear transmission structure is formed, the rotation of handle assembly 110 is
Can drive the rotation of several drag hook components 120, control drag hook 122 with adjacent fitted shaft 2200 in clamping, separate two states
Between switch, realize locking and unlock, it is easy to operate, locking effect stablize.
Another embodiment of the present invention provides a kind of LED boxes 10, and as shown in figure 13, including LED shows cabinet 200, extremely
Few linkage lock 100, linkage lock 100 are fixed at LED and show 200 edge of cabinet.Linkage lock 100 is front
Any linkage lock described in embodiment.
LED shows that cabinet includes box frame and LED lamp panel, and LED lamp panel is fixed on box frame.LED shows cabinet
Edge fixed setting linkage lock 100.
Linkage lock 100 can be provided only with the first rack gear 130, and LED box 10 may include having 4 linkage locks 100,
It is respectively fixedly disposed at the edge that LED shows 4 sides of cabinet 200,4 sides of LED display cabinet 200 can be realized
Locking, unlock.
Linkage lock 100 may include the first rack gear 130 and second rack gear 140, and LED box 10 may include having 2
Locking, unlock that LED shows 4 sides of cabinet 200 can be realized in a linkage lock.
Linkage lock 100 can also include that the first rack gear 130 and three the second rack gears 140, LED box 10 only need 1
Locking, unlock that LED shows 4 sides of cabinet 200 can be realized in linkage lock 100.
Preferably, as shown in figure 13, linkage lock 100 includes the first rack gear 130 and second rack gear 140, LED box
10 include 2 linkage locks.At this point, handpiece is distributed in the two sides of LED box, when installing LED box, two hands can be with
The handpiece for holding two sides respectively when needing to splice with adjacent boxes, rotates handpiece, locking can be realized when being installed in place,
It is easy to operate.When the axle center line position of gear shaft and driven gear is not identical, it can also constitute and be eccentrically rotated, tense adjacent tank
Body adjusts the spacing between adjacent boxes.
LED box provided in this embodiment, by setting linkage lock, respectively in handle assembly 110 and drag hook component 120
Upper setting main drive gear 112 and driven gear form gear transmission structure, handle using the first rack gear 130 being attached thereto
The rotation of component 110 can drive the rotation of several drag hook components 120, and control drag hook 122 locks or unlocks adjacent LED case
Body, easy to operate, locking effect is stablized.
One embodiment of the invention additionally provides a kind of LED display, including braced frame and several LED boxes, LED case
Body is the LED box in previous embodiment；LED box is installed on the support frame, and adjacent LED box is tipped in by blocking lock
Row splicing.
LED display provided in this embodiment, by setting linkage lock, respectively in handle assembly 110 and drag hook component
Main drive gear 112 and driven gear are set on 120, using the first rack gear 130 being attached thereto, form gear transmission structure,
The rotation of handle assembly 110 can drive the rotation of several drag hook components 120, and control drag hook 122 locks or unlocks adjacent LED
Cabinet, easy to operate, locking effect is stablized.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of linkage lock, which is characterized in that described including handle assembly, the first rack gear and at least one drag hook component
Handle assembly, drag hook component engage connection with first rack gear；Wherein,
The handle assembly includes handpiece and main drive gear, and the handpiece is fixedly connected with the transmission gear, institute
It states transmission gear to connect with first rack gear, the transmission gear drives first rack displacement；
The drag hook component includes driven gear and drag hook, and the driven gear is connect with the drag hook, the driven gear
It is connect with first rack gear, the rotation of driven gear described in the displacement drive of first rack gear, the rotation of the driven gear
Drive the rotation of the drag hook.
2. linkage lock according to claim 1, which is characterized in that the drag hook component further includes gear shaft and damper
Part, the gear shaft are fixedly connected with the driven gear, and the drag hook is provided with mounting hole, and the gear shaft at least partly holds
It is placed in the mounting hole；The damping device is arranged between the gear shaft and the drag hook.
3. linkage lock according to claim 2, which is characterized in that the axial line of the gear shaft and the driven gear
Position is not identical, and the gear shaft and driven gear composition are eccentrically rotated structure.
4. linkage lock according to claim 2, which is characterized in that it is provided with accommodation groove on the side of the gear shaft,
The damping device is set on the gear shaft, and part is placed in the accommodation groove.
5. linkage according to claim 1 lock, which is characterized in that the handle assembly further include axle sleeve, ratchet and
Detent lock, the main drive gear are additionally provided with connecting column, and the axle sleeve is set on the connecting column, and the ratchet setting exists
The sleeve outer surface；The detent lock is mounted on the handpiece, and one end of the detent lock is provided with and the ratchet
The clamp of clamping.
6. linkage lock according to claim 1, which is characterized in that it further include reduction gearing, the reduction gearing difference
Connection is engaged with the main drive gear, the first rack gear.
7. linkage lock according to any one of claims 1 to 6, which is characterized in that further include at least one second rack gear
And relay gear, at least one described drag hook component engage connection with second rack gear；The relay gear and described the
One rack gear and the engagement connection of the second rack gear.
8. a kind of LED box, which is characterized in that show cabinet and at least one linkage lock, the linkage lock including LED
It is fixed at the edge that the LED shows cabinet；The linkage lock is blocking lock as claimed in any one of claims 1 to 6
Button.
9. LED box according to claim 8, which is characterized in that linkage lock further include second rack gear with
And relay gear, at least one described drag hook component engage connection with second rack gear；The relay gear and described first
Rack gear and the engagement connection of the second rack gear；
The LED box includes 2 linkage locks.
10. a kind of LED display, including braced frame and several LED boxes, which is characterized in that the LED box is right
It is required that LED box described in 8 or 9, the LED box is mounted in the braced frame, and adjacent LED box passes through blocking lock
Button is spliced.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| PCT/CN2020/075544 WO2021012667A1 (en) | 2019-07-19 | 2020-02-17 | Led display box body with full wireless connection, led display screen, and intelligent positioning method |
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| CN110593671A (en) * | 2019-10-29 | 2019-12-20 | 美律科技（福建）有限公司 | Multi-cascade dynamic lock and up-down combination device |
| CN111486159A (en) * | 2020-04-29 | 2020-08-04 | 深圳市德铭光科技有限公司 | L ED box body connecting lock |
| WO2021012667A1 (en) * | 2019-07-19 | 2021-01-28 | 深圳市奥拓电子股份有限公司 | Led display box body with full wireless connection, led display screen, and intelligent positioning method |
| CN112324015A (en) * | 2020-10-26 | 2021-02-05 | 广东汉盈建设有限公司 | Environment-friendly building partition wall and construction method thereof |
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| CN110277027B (en) | 2024-05-24 |
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