CN103953231A - Quick lock for LED (light-emitting diode) display screen box body with positioning device - Google Patents

Quick lock for LED (light-emitting diode) display screen box body with positioning device Download PDF

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Publication number
CN103953231A
CN103953231A CN201410152690.2A CN201410152690A CN103953231A CN 103953231 A CN103953231 A CN 103953231A CN 201410152690 A CN201410152690 A CN 201410152690A CN 103953231 A CN103953231 A CN 103953231A
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CN
China
Prior art keywords
alignment pin
box
gear
lock
locking bar
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Granted
Application number
CN201410152690.2A
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Chinese (zh)
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CN103953231B (en
Inventor
胡日浩
钟新辉
郭阳
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Shenzhen Infiled Electronics Co Ltd
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Shenzhen Infiled Electronics Co Ltd
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Priority to CN201410152690.2A priority Critical patent/CN103953231B/en
Publication of CN103953231A publication Critical patent/CN103953231A/en
Application granted granted Critical
Publication of CN103953231B publication Critical patent/CN103953231B/en
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Abstract

The invention discloses a quick lock for an LED (light-emitting diode) display screen box body with a positioning device. The quick lock is used for fixing two adjacent box bodies which are arranged left and right. The quick lock comprises a handle, a positioning device, a left side locking box, a right side locking box and a dowel, wherein the left side locking box is fixed to the left box body; the right side locking box is fixed to the right box body; the dowel is fixed to the right box locking box; a hook used for locking the dowel is pivoted in the left side locking box; a locking rod penetrating through the left side locking box is arranged on the handle; the hook is connected to the locking rod. The positioning device comprises a positioning pin and a gear, wherein the positioning pin is movably arranged in the left box body; the gear is connected to the locking rod; a plurality of toothed grooves meshed with gear teeth on the gear are formed in the bottom side of the positioning pin and are arranged along the axial direction of the positioning pin; a positioning hole for the positioning pin to penetrate through is formed in the right box body. The phenomenon of relative displacement during splicing of the two box bodies can be better avoided, the labor intensity of operators can be effectively reduced, and the splicing efficiency of the box bodies is obviously improved.

Description

A kind of fast lock of the LED display casing with positioner
 
Technical field
The present invention relates to a kind of fast lock of LED display casing, be specifically related to a kind of fast lock of the LED display casing with positioner.
 
Background technology
At present, existing LED display is generally to be formed by multiple independently box body combinations, then between casing and casing, can couple together by fast lock, as shown in Figure 1, the quick lock mechanism of existing LED casing side is that the hook 11 that is articulated in fast lock box 10 inside by swing handle to drive rotates, the end of this hook 11 is articulated on the pin 12 on another casing, the final object that realizes locking two adjacent casings.
But, while adopting existing this side lock, conventionally in the time of stubborn hexagonal handle, hook can be extruded on the pin on another casing, causes left side LED casing to rise, misplace and cannot lock, as shown in Figure 1, need to such an extent that firmly pin a casing, prevent that dislocation from could lock, but needing like this manpower that cost is larger, operating efficiency is not high.
 
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to provide a kind of fast lock of the LED display casing with positioner, can avoid preferably two tanks assembled time, there is the phenomenon of relative displacement, can effectively alleviate operating personnel's labour intensity, significantly improve the assembled efficiency of casing.
For achieving the above object, the present invention adopts following technical scheme:
A kind of fast lock of the LED display casing with positioner, for fixing, under, left, the adjacent two tanks of arranging in the right side, comprise handle, positioner, be fixed on the left side lock box on left box body, and be fixed on the right side lock box on right case, be fixed on the pin on the lock box of right side, in the lock box of described left side, be articulated with one for locking the hook of pin, the locking bar of cross-under in lock box inside, left side is installed on described handle, described hook connecting is connected on this locking bar, described positioner comprises the alignment pin being movably arranged in left box body, be connected to the gear on locking bar, the bottom side of described alignment pin is formed with several teeth groove being meshed with the gear teeth on gear, described teeth groove is arranged along the axial direction of alignment pin, on described right case, be formed with for the interspersed locating hole of alignment pin.
Preferably, the described gear teeth are evenly distributed on the partial circle side face of gear, between described alignment pin and left box body, spring are installed.
Preferably, the quantity of the described gear teeth and teeth groove is 2.
Preferably, described left box body comprise be fixedly installed in left side the lock box back side on and for holding the backing plate of positioner, on described backing plate, be formed with for locking bar insert through hole.
Preferably, described alignment pin comprises the first alignment pin portion for inserting locating hole, the second alignment pin portion being fixedly connected with the first alignment pin portion, and described teeth groove is formed at the bottom side of the second alignment pin portion; One end of described spring is connected on the sidewall of backing plate, and the other end of described spring is connected on the second alignment pin bottom.
Preferably, the diameter of described the first alignment pin portion is less than the diameter of the second alignment pin portion.
Preferably, described left side lock box be above installed with cover plate, the rotating installation of described locking bar is on the cover board.
Preferably, described cover plate and left side lock box are bolted.
Preferably, the cross section of described locking bar is regular hexagon, and described locking bar is successively through being formed at the first inner hexagonal hole on hook, being formed at the second inner hexagonal hole on gear.
Preferably, described handle comprises the sleeve being sleeved on locking bar, the grip part being fixedly connected with sleeve.
Beneficial effect of the present invention is:
The present invention by being provided with positioner on the casing box of left side, this positioner comprises the alignment pin being movably arranged in left box body, be connected to the gear on locking bar, the bottom side of alignment pin is formed with several teeth groove being meshed with the gear teeth on gear, under the turning effort of handle, can drive the rotary work of hook, the also rotary work of driven gear of while, and then alignment pin is moved towards right case direction, finally be inserted in the locating hole that right case is provided with, make hook with pin lock timing, prevent that the relative right case of left box body from moving up, thereby can avoid preferably two tanks assembled time, there is the phenomenon of relative displacement, can effectively alleviate operating personnel's labour intensity, significantly improve the assembled efficiency of casing, simultaneously, the gear teeth are evenly distributed on the partial circle side face of gear, between described alignment pin and left box body, spring is installed, when initial position, the gear teeth are meshed with corresponding teeth groove, and spring is in compressed state, in the time that two gear teeth all depart from teeth groove, alignment pin is no longer towards right case motion, and the bounce of spring will make alignment pin be fixed on firmly in locating hole, occur the phenomenon of relative displacement while further avoiding two tanks assembled, in addition, the back side fixed installation of left side lock box is useful on the backing plate that holds positioner, is formed with the through hole inserting for locking bar on described backing plate, and the setting of backing plate can play a protective role to positioner.
 
Brief description of the drawings
Fig. 1 is the fast lock structural representation of existing LED display casing;
Fig. 2 is overall structure schematic diagram of the present invention;
Fig. 3 is decomposition texture schematic diagram of the present invention;
Fig. 4 is a status architecture schematic diagram of the present invention;
Fig. 5 is that b of the present invention uses status architecture schematic diagram;
Fig. 6 is that c of the present invention uses status architecture schematic diagram;
Fig. 7 is that d of the present invention uses status architecture schematic diagram;
Fig. 8 is that e of the present invention uses status architecture schematic diagram.
Wherein, 20, grip part; 21, sleeve; 22, locking bar; 30, cover plate; 31, bolt; 40, left side lock box; 41, hook; 50, backing plate; 51, through hole; 60, gear; 61, the gear teeth; 70, the first alignment pin portion; 71, the second alignment pin portion; 80, left box body; 90, spring.
 
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the present invention is described further:
As shown in Fig. 2-8, for the fast lock of a kind of LED display casing with positioner of the present invention, for fixing, under, left, the adjacent two tanks of arranging in the right side, comprise handle, positioner, be fixed on the left side lock box 40 on left box body 80, and be fixed on the right side lock box (not shown) in right case (not shown), be fixed on the pin (not shown) on the lock box of right side, in described left side lock box 40, be articulated with one for locking the hook 41 of pin, the locking bar 22 of cross-under in left side lock box 40 inside is installed on described handle, described hook 41 is connected on this locking bar 22, described positioner comprises the alignment pin being movably arranged in left box body 80, be connected to the gear 60 on locking bar 22, the bottom side of described alignment pin is formed with several teeth groove (not shown)s being meshed with the gear teeth 61 on gear 60, described teeth groove is arranged along the axial direction of alignment pin, on described right case, be formed with for the interspersed locating hole (not shown) of alignment pin.
The present embodiment is under the turning effort of handle, can drive the rotary work of hook 41, the also rotary work of driven gear 60 of while, and then alignment pin is moved towards right case direction, finally be inserted in the locating hole that right case is provided with, make to link up with 41 with pin lock timing, prevent that the relative right case of left box body 80 from moving up, thereby can avoid preferably two tanks assembled time, there is the phenomenon of relative displacement, can effectively alleviate operating personnel's labour intensity, significantly improve the assembled efficiency of casing.
In the time that needs are dismantled left and right two tanks, reversion handle, hook 41 departs from from pin, and the rotary work of gear 60 will drive the reset work of alignment pin, thereby completes the dismounting of two tanks.
Preferably, the described gear teeth 61 are evenly distributed on the partial circle side face of gear 60, and all the other peripheries of gear 60 are smooth arc surface, between described alignment pin and left box body 80, spring 90 are installed.When initial position, the gear teeth 61 are meshed with corresponding teeth groove, spring 90 is in compressed state, in the time that two gear teeth 61 all depart from teeth groove, alignment pin is during no longer towards the bin movement on right side, the bounce of spring 90 will make alignment pin be fixed on firmly in locating hole, occur the phenomenon of relative displacement while further avoiding two tanks assembled.
Preferably, the quantity of the described gear teeth 61 and teeth groove is 2.The quantity of the gear teeth 61 of the present invention and teeth groove can arrange by actual conditions, can be also 3 or 4.
Preferably, described left box body 80 comprises and being fixedly installed on lock box 40 back sides, left side and for holding the backing plate 50 of positioner, is formed with the through hole 51 inserting for locking bar 22 on described backing plate 50, and this backing plate 50 can effectively be protected positioner.
Preferably, described alignment pin comprises the first alignment pin portion 70 for inserting locating hole, the second alignment pin portion 71 being fixedly connected with the first alignment pin portion 70, and described teeth groove is formed at the bottom side of the second alignment pin portion 71; One end of described spring 90 is connected on the sidewall of backing plate 50, and the other end of described spring 90 is connected in the second alignment pin portion 71.Under the cooperation of teeth groove and the gear teeth 61, can drive the first alignment pin portion 70 to be inserted in locating hole.
Preferably, the diameter of described the first alignment pin portion 70 is less than the diameter of the second alignment pin portion 71, can facilitate the first alignment pin portion 70 to be inserted in locating hole.
Preferably, described left side lock box 40 be above installed with cover plate 30, described locking bar 22 is rotating to be arranged on cover plate 30.Under the effect of cover plate 30, can strengthen the steadiness between handle and left side lock box 40.
Preferably, described cover plate 30 is fixing by bolt 31 with left side lock box 40.Under the effect of bolt 31, can ensure the fastness between cover plate 30 and left side lock box 40.
Preferably, the cross section of described locking bar 22 is regular hexagon, and described locking bar 22 is successively through being formed at first inner hexagonal hole of hook on 41, being formed at the second inner hexagonal hole on gear 60.
Preferably, described handle comprises the sleeve 21 being sleeved on locking bar 22, the grip part 20 being fixedly connected with sleeve 21.The rotary work of the setting person of being convenient to operation of grip part 20 to locking bar 22 can arrange the groove that is similar to people's hand-type on grip part 20, and hand is put into groove by operator, can further facilitate the rotary work of operator to locking bar 22.
Locking bar 22 of the present invention, successively through the first inner hexagonal hole, through hole 51 and the second inner hexagonal hole, drives the rotation of hook 41, meanwhile, the rotation of driven gear 60, thus the second alignment pin portion 71 of drive and the first alignment pin portion 70 are towards the direction motion of right case.When beginning, the gear teeth 61 are meshed with corresponding teeth groove, and spring 90 is in compressed state, then locking bar 22 starts rotation, the synchronous rotary that drives locking bar 22 and gear 60, under the gear teeth 61 on gear 60 and the effect of teeth groove, alignment pin moves towards locating hole direction.In the time that locking bar 22 continues to rotatablely move, two gear teeth 61 all depart from teeth groove, and when alignment pin no longer moves towards right case, the bounce of spring 90 will make alignment pin be fixed in locating hole firmly, and hook 41 will be rotated further, and finally be locked on pin.
In the time that needs are dismantled left and right two tanks, reversion handle, hook 41 departs from from pin, and the gear teeth 61 of gear 60 rotate to while engagement with teeth groove, reset work that will drive alignment pin, and that spring 90 will continue will be compressed, thus complete the dismounting of two tanks.
Particularly, sealed process of the present invention is as follows:
(a) as shown in Figure 4, now spring 90 is in compressed state, and the gear teeth 61 are meshed with teeth groove;
(b) then as shown in Figure 5, locking bar 22 starts rotation, and hook 41 and gear 60 also start synchronous rotation, promotes the first alignment pin portion 70 and the second alignment pin portion 71 and moves towards locating hole direction;
(c) then as shown in Figure 6, locking bar 22 continues rotation, and hook 41 and gear 60 also synchronously continue rotation, and the first alignment pin portion 70 and the second alignment pin portion 71 continue to move towards locating hole direction, and one of them gear teeth 61 and teeth groove start to depart from;
(d) then as shown in Figure 7, locking bar 22 continues rotation, and hook 41 and gear 60 also synchronously continue rotation, and the first alignment pin portion 70 and the second alignment pin portion 71 continue to move towards locating hole direction, and the another one gear teeth 61 and teeth groove also start to depart from.
(e) as shown in Figure 8 finally, locking bar 22 continues rotation, hook 41 and gear 60 also synchronous continuation rotate, but because all gear teeth 61 and teeth groove depart from, so alignment pin moves the direction towards locating hole no longer, and under the effect of the bounce of spring 90, the first alignment pin portion 70 is fixed in locating hole firmly, left and right casing can not be relatively moved, link up with 41 final and pin lockings.As two casings dismantled, can just only locking bar 22 need be reversed.
In addition, it should be noted that, spring 90 of the present invention has not been the effect resetting, but by the bounce of spring 90, the first alignment pin portion 70 is firmly inserted in locating hole, and alignment pin of the present invention is to reset with the intermeshing of teeth groove by the gear teeth 61 of gear 60, avoid two casing dislocation and blocked alignment pin, the phenomenon that makes alignment pin be not easy to return.
for a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.

Claims (10)

1. a kind of fast lock of the LED display casing with positioner, for fixing left, the adjacent two tanks of arranging in the right side, it is characterized in that: comprise handle, positioner, be fixed on the left side lock box on left box body, and be fixed on the right side lock box on right case, be fixed on the pin on the lock box of right side, in the lock box of described left side, be articulated with one for locking the hook of pin, the locking bar of cross-under in lock box inside, left side is installed on described handle, described hook connecting is connected on this locking bar, described positioner comprises the alignment pin being movably arranged in left box body, be connected to the gear on locking bar, the bottom side of described alignment pin is formed with several teeth groove being meshed with the gear teeth on gear, described teeth groove is arranged along the axial direction of alignment pin, on described right case, be formed with for the interspersed locating hole of alignment pin.
2. the fast lock of LED display casing as claimed in claim 1, is characterized in that: the described gear teeth are evenly distributed on the partial circle side face of gear, between described alignment pin and left box body, spring are installed.
3. the fast lock of LED display casing as claimed in claim 2, is characterized in that: the quantity of the described gear teeth and teeth groove is 2.
4. the fast lock of LED display casing as claimed in claim 2, is characterized in that: described left box body comprise be fixedly installed in left side the lock box back side on and for holding the backing plate of positioner, on described backing plate, be formed with for locking bar insert through hole.
5. the fast lock of LED display casing as claimed in claim 4, it is characterized in that: described alignment pin comprises the first alignment pin portion for inserting locating hole, the second alignment pin portion being fixedly connected with the first alignment pin portion, and described teeth groove is formed at the bottom side of the second alignment pin portion; One end of described spring is connected on the sidewall of backing plate, and the other end of described spring is connected on the second alignment pin bottom.
6. the fast lock of LED display casing as claimed in claim 5, is characterized in that: the diameter of described the first alignment pin portion is less than the diameter of the second alignment pin portion.
7. the fast lock of LED display casing as claimed in claim 1, is characterized in that: before the lock box of described left side, be installed with cover plate, the rotating installation of described locking bar on the cover board.
8. the fast lock of LED display casing as claimed in claim 7, is characterized in that: described cover plate and left side lock box are bolted.
9. the fast lock of the LED display casing as described in claim 1-8 any one, is characterized in that: the cross section of described locking bar is regular hexagon, and described locking bar is successively through being formed at the first inner hexagonal hole on hook, being formed at the second inner hexagonal hole on gear.
10. the fast lock of the LED display casing as described in claim 1-8 any one, is characterized in that: described handle comprises the sleeve being sleeved on locking bar, the grip part being fixedly connected with sleeve.
CN201410152690.2A 2014-04-16 2014-04-16 Quick lock for LED (light-emitting diode) display screen box body with positioning device Active CN103953231B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104047940A (en) * 2014-05-23 2014-09-17 钟国麟 Quick fastening device for refrigerator shell box body
CN106409183A (en) * 2016-11-23 2017-02-15 深圳前海创思特光电科技有限公司 Automatic lock for splicing of LED (Light Emitting Diode) light boxes
CN107387514A (en) * 2017-08-04 2017-11-24 深圳市洲明科技股份有限公司 One kind lock
CN107680495A (en) * 2017-10-25 2018-02-09 深圳市德彩光电有限公司 LED display
CN108010454A (en) * 2018-01-19 2018-05-08 深圳市德彩光电有限公司 LED box connects locking device and LED display
CN109505835A (en) * 2018-12-20 2019-03-22 深圳市格特隆光电股份有限公司 A kind of electric locking of quick-assembling LED display cabinet and tripper
CN110277027A (en) * 2019-07-19 2019-09-24 深圳市奥拓电子股份有限公司 A kind of linkage lock, LED box and LED display
CN112178014A (en) * 2020-09-24 2021-01-05 深圳市奥拓电子股份有限公司 Coupling device, box body, method and LED display screen
CN113550657A (en) * 2021-07-13 2021-10-26 深圳市雷凌显示技术有限公司 Lock body

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Publication number Priority date Publication date Assignee Title
JPH1022657A (en) * 1996-07-04 1998-01-23 Sumitomo Wiring Syst Ltd Double locking structure of electric junction box
CN203176084U (en) * 2013-04-10 2013-09-04 深圳视爵光旭电子有限公司 Rapid lock mechanism of LED (Light Emitting Diode) display screen boxes
CN203457445U (en) * 2013-08-07 2014-02-26 深圳市紫阳照科技有限公司 Locking device for LED box body connection
CN203891606U (en) * 2014-04-16 2014-10-22 深圳视爵光旭电子有限公司 Rapid lock with positioning device for LED display screen casing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1022657A (en) * 1996-07-04 1998-01-23 Sumitomo Wiring Syst Ltd Double locking structure of electric junction box
CN203176084U (en) * 2013-04-10 2013-09-04 深圳视爵光旭电子有限公司 Rapid lock mechanism of LED (Light Emitting Diode) display screen boxes
CN203457445U (en) * 2013-08-07 2014-02-26 深圳市紫阳照科技有限公司 Locking device for LED box body connection
CN203891606U (en) * 2014-04-16 2014-10-22 深圳视爵光旭电子有限公司 Rapid lock with positioning device for LED display screen casing

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104047940A (en) * 2014-05-23 2014-09-17 钟国麟 Quick fastening device for refrigerator shell box body
CN106409183A (en) * 2016-11-23 2017-02-15 深圳前海创思特光电科技有限公司 Automatic lock for splicing of LED (Light Emitting Diode) light boxes
CN106409183B (en) * 2016-11-23 2022-07-26 深圳创思特光电科技有限公司 Automatic lock for splicing LED lamp boxes
CN107387514A (en) * 2017-08-04 2017-11-24 深圳市洲明科技股份有限公司 One kind lock
CN107680495A (en) * 2017-10-25 2018-02-09 深圳市德彩光电有限公司 LED display
CN108010454A (en) * 2018-01-19 2018-05-08 深圳市德彩光电有限公司 LED box connects locking device and LED display
CN108010454B (en) * 2018-01-19 2023-07-21 深德彩科技(深圳)股份有限公司 LED box body connecting and locking device and LED display screen
CN109505835A (en) * 2018-12-20 2019-03-22 深圳市格特隆光电股份有限公司 A kind of electric locking of quick-assembling LED display cabinet and tripper
CN110277027A (en) * 2019-07-19 2019-09-24 深圳市奥拓电子股份有限公司 A kind of linkage lock, LED box and LED display
CN112178014A (en) * 2020-09-24 2021-01-05 深圳市奥拓电子股份有限公司 Coupling device, box body, method and LED display screen
CN113550657A (en) * 2021-07-13 2021-10-26 深圳市雷凌显示技术有限公司 Lock body
CN113550657B (en) * 2021-07-13 2022-07-15 深圳市雷凌显示技术有限公司 Lock body

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