CN114542565A - Negative pressure safety lock for display screen - Google Patents
Negative pressure safety lock for display screen Download PDFInfo
- Publication number
- CN114542565A CN114542565A CN202210220638.0A CN202210220638A CN114542565A CN 114542565 A CN114542565 A CN 114542565A CN 202210220638 A CN202210220638 A CN 202210220638A CN 114542565 A CN114542565 A CN 114542565A
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- CN
- China
- Prior art keywords
- negative pressure
- rubber block
- safety
- module
- safety buckle
- Prior art date
- 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.)
- Granted
Links
- 229920001875 Ebonite Polymers 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
- F16B13/0858—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with an expansible sleeve or dowel body driven against a tapered or spherical expander plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives
-
- 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
-
- 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
- H05K5/0217—Mechanical details of casings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Computer Security & Cryptography (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a negative pressure safety lock for a display screen, which comprises an air hole, a lock catch sleeve, a locking block and a safety buckle, wherein the lock catch sleeve is arranged on a module and is opposite to the air hole, the inner side of one end, far away from the module, of the lock catch sleeve is provided with a first anti-falling ring, the safety buckle is barrel-shaped and is arranged on a box body, the outer side of a barrel opening of the safety buckle is provided with a second anti-falling ring, the side surface of the safety buckle is provided with a plurality of through grooves, the locking block is positioned in the lock catch sleeve and comprises a hard rubber block and an elastic soft rubber block which are fixedly connected with each other, the elastic soft rubber block is bowl-shaped, the reverse buckle is opposite to the air hole, the barrel opening end of the safety buckle can extend into the lock catch sleeve, the hard rubber block extends into the safety buckle to prop open the second anti-falling ring, and the second anti-falling ring is contacted and abutted against the first anti-falling ring; the negative pressure safety lock for the display screen is convenient to use and simple in structure, and can be unlocked by skillfully utilizing the negative pressure action generated by the negative pressure maintenance tool.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to a negative pressure safety lock for a display screen.
Background
The existing LED display screen is formed by combining a plurality of modules and a box body, the LED display screen is large in general size or is installed in a high place, the anti-falling requirement in the maintenance process or the use process is high, the modules and other parts which easily fall are designed to be anti-falling safely, the design method of the safety rope is mostly adopted at present, but the convenience of the safety rope is poor generally, and the cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the display screen negative pressure safety lock which is convenient to use, simple in structure and skillfully unlocked by utilizing the negative pressure action generated by the negative pressure maintenance tool, so as to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a negative pressure safety lock for a display screen comprises an air hole, a lock catch sleeve, a locking block and a safety buckle, wherein the lock catch sleeve is arranged on a module and is opposite to the air hole, a first anti-falling ring is arranged on the inner side of one end, far away from the module, of the lock catch sleeve, the safety buckle is barrel-shaped and is installed on a box body, a second anti-falling ring is arranged on the outer side of a barrel opening of the safety buckle, a plurality of through grooves are formed in the side face of the safety buckle, the locking block is located in the lock catch sleeve and comprises a hard rubber block and an elastic soft rubber block which are fixedly connected with each other, the elastic soft rubber block is bowl-shaped and is opposite to the air hole in an inverted buckle mode, the barrel opening end of the safety buckle can extend into the lock catch sleeve, the hard rubber block extends into the safety buckle to push the second anti-falling ring open, and the second anti-falling ring is in contact with and abutted to the first anti-falling ring;
the disassembly process of the negative pressure safety lock of the display screen comprises the following steps:
s1: positioning, namely firstly using a negative pressure fan to be attached to the outer side surface of the module, and enabling a negative pressure air suction area of the negative pressure fan to completely cover all air holes on the module;
s2: unlocking, starting a negative pressure fan to continuously generate negative pressure between the elastic soft rubber block and the module, and finally completely attaching the elastic soft rubber block to the module to drive the hard rubber block to extend out of the safety buckle;
s3: and separating, namely keeping the negative pressure fan to continuously work, adsorbing the module by the negative pressure fan, and then pulling out the module from the box body by holding the negative pressure fan to separate and disassemble.
Further, a through hole is formed in the bottom of the safety buckle, a threaded hole is formed in the box body, a screw is arranged in the through hole, and the bolt penetrates through the through hole and extends into the threaded hole, so that the safety buckle is fixed on the box body.
And further, one end of the hard rubber block, which is far away from the elastic soft rubber block, is in a conical shape.
Further, the hard rubber block and the elastic soft rubber block are integrally formed by double-color injection molding.
Furthermore, the lock catch sleeve and the safety catch are made of plastic materials.
Compared with the prior art, the invention has the beneficial effects that:
the invention arranges the air holes and the lock catch sleeve in the module, installs the safety catch on the box body, arranges the locking block into the hard rubber block and the elastic soft rubber block and places the locking block in the lock catch sleeve, so that the safety catch can directly extend into the lock catch sleeve when the module is buckled on the box body, simultaneously the hard rubber block can extend into the safety catch to push open the safety catch, the barrel mouth of the safety catch is expanded, the second anti-falling ring and the first anti-falling ring are mutually buckled and tightly adhered, thereby the safety catch and the lock catch sleeve are connected together to realize the locking anti-falling function, the anti-falling and locking can be directly carried out when the module and the box body are buckled and installed, in addition, the safety lock has simple structure and convenient use, when in unlocking, only a negative pressure maintenance tool is needed to be attached on the module and cover all the air holes, and then unlocking by utilizing the negative pressure action generated by the negative pressure maintenance tool.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is an exploded view of the combination of a locking sleeve, locking block, screw and safety buckle;
FIG. 2 is a first structural schematic diagram of a display screen negative pressure safety lock installed on a module and a box body;
FIG. 3 is a second schematic structural view of a display screen negative pressure safety lock installed on a module and a box body;
FIG. 4 is a first schematic structural view of the module and the case when they are disassembled;
FIG. 5 is an enlarged view taken at A in FIG. 4;
fig. 6 is a second schematic structural view of the module and the case when they are disassembled.
Labeled as: 1. a module; 2. a box body; 3. air holes are formed; 4. a lock catch sleeve; 5. a first anti-slip ring; 6. an elastic soft rubber block; 7. a hard rubber block; 8. a safety buckle; 9. a second anti-slip ring; 10. a through hole; 11. a screw; 12. a threaded hole; 13. a through groove; 14. a negative pressure fan; 15. a negative pressure suction area.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.
A negative pressure safety lock for a display screen is shown in figures 1-3 and comprises an air hole 3, a lock catch sleeve 4, a locking block and a safety buckle 8 which are arranged on a module 1, wherein the lock catch sleeve 4 is fixed on the module 1 and is opposite to the air hole 3, and the inner side of one end of the lock catch sleeve 4 far away from the module 1 is provided with a first anti-drop ring 5, the safety catch 8 is barrel-shaped and is arranged on the box body 2, a second anti-drop ring 9 is arranged at the outer side of the opening of the safety buckle 8, a plurality of through grooves 13 are arranged on the side surface of the safety buckle 8, the locking block is positioned in the locking buckle sleeve 4, and the locking block comprises a hard rubber block 7 and an elastic soft rubber block 6 which are fixedly connected with each other, the elastic soft rubber block 6 is bowl-shaped and is reversely buckled to be opposite to the air holes 3, the barrel mouth end of the safety buckle 8 can extend into the lock buckle sleeve 4, so that the hard rubber block 7 extends into the safety buckle 8 to jack the second anti-falling ring 9, and the second anti-falling ring 9 is contacted and abutted with the first anti-falling ring 5;
the disassembly process of the negative pressure safety lock of the display screen comprises the following steps:
s1: positioning, as shown in fig. 4, firstly using a negative pressure fan 14 to adhere to the outer surface of the module 1, and making a negative pressure suction area 15 of the negative pressure fan 14 completely cover all the air holes 3 on the module 1;
s2: unlocking, starting a negative pressure fan 14 to continuously generate negative pressure between the elastic soft rubber block 6 and the module 1, and finally completely attaching the elastic soft rubber block 6 to the module 1 to drive the hard rubber block 7 to extend out of the safety buckle 8;
s3: and separating, as shown in fig. 6, keeping the negative pressure fan 14 continuously working, adsorbing the module 1 by the negative pressure fan 14, and then pulling out the module 1 from the box body 2 to separate and disassemble the module 1 by holding the negative pressure fan 14.
In this embodiment, preferably, as shown in fig. 2, the bottom of the safety buckle 8 is provided with a through hole 10, the box body 2 is provided with a threaded hole 12, a screw 11 is arranged in the through hole 10, and the bolt passes through the through hole 10 and extends into the threaded hole 12, so that the safety buckle 8 is fixed on the box body 2 and can be detached, and later maintenance and replacement are facilitated.
In the present embodiment, as shown in fig. 1-2, an end of the hard rubber block 7 away from the elastic soft rubber block 6 is tapered, so that the hard rubber block 7 can be conveniently inserted into the safety buckle 8.
In this embodiment, preferably, the hard rubber block 7 and the elastic soft rubber block 6 are integrally formed by two-color injection molding, and the hard rubber block 7 has enough hardness to push open the barrel end of the safety buckle 8 and make the elastic soft rubber block 6 have elasticity and have a sealing effect, and when no negative pressure exists, the hard rubber block 7 is given with elasticity to realize the effect of locking the safety buckle 8.
In the embodiment, it is preferable that the lock catch sleeve 4 and the safety catch 8 are made of plastic, so as to reduce the manufacturing cost.
The disassembly and assembly process and the working principle of the invention are as follows:
when the display screen negative pressure safety lock is installed, firstly, the air vent 3 is arranged on the module 1, the threaded hole 12 is arranged on the box body 2, then the lock catch sleeve 4 is fixed at the air vent 3 of the module 1, then the safety buckle 8 is detachably fixed on the box body 2 (the threaded hole 12) through the screw 11, then the locking block is placed in the lock catch sleeve 4, the bowl opening of the elastic soft rubber block 6 is reversely buckled at the air vent 3, then the module 1 can be buckled on the box body 2, when the lock is installed, the safety buckle 8 is rightly opposite to the lock catch sleeve 4 and extends into the lock catch sleeve 4, after the safety buckle 8 extends into the lock catch sleeve 4, the hard rubber block 7 in the lock catch sleeve 4 simultaneously extends into the safety buckle 8, the hard rubber block 7 can prop open the safety buckle 8, the barrel opening of the safety buckle 8 is expanded, the second anti-release ring 9 is tightly buckled with the first anti-release ring 5, so that the safety buckle 8 is connected with the lock catch sleeve 4, realize the function of locking anticreep, convenient to use, simple structure.
When in disassembly, the negative pressure fan 14 is used, the negative pressure fan 14 is firstly attached to the outer side surface of the module 1, and the negative pressure air suction area 15 of the negative pressure fan 14 completely covers all the air holes 3 on the module 1, then the negative pressure fan 14 is started to continuously generate negative pressure between the elastic soft rubber block 6 and the module 1, and finally the elastic soft rubber block 6 is completely attached to the module 1, thereby driving the hard rubber block 7 to extend out of the safety buckle 8, leading the bung hole end of the safety buckle 8 to rebound and contract, leading the second anti-release ring 9 to be separated from the first anti-release ring 5 and not to be propped against any more, leading the safety buckle 8 to directly extend into the lock catch sleeve 4, and finally, keeping the negative pressure fan 14 working continuously, the negative pressure fan 14 will firmly adsorb the module 1, then the module 1 is pulled out and separated from the box body 2 by holding the negative pressure fan 14, so that the module 1 is detached from the box body 2, and the negative pressure action generated by a negative pressure maintenance tool (the negative pressure fan 14) is ingeniously utilized for unlocking.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. The utility model provides a display screen negative pressure safety lock which characterized in that: the safety buckle comprises an air hole, a lock catch sleeve, a locking block and a safety buckle, wherein the lock catch sleeve is arranged on the module and is right opposite to the air hole, a first anti-falling ring is arranged on the inner side of one end, far away from the module, of the lock catch sleeve, the safety buckle is barrel-shaped and is arranged on the box body, a second anti-falling ring is arranged at the outer side of a barrel opening of the safety buckle, a plurality of through grooves are formed in the side surface of the safety buckle, the locking block is located in the lock catch sleeve, the locking block comprises a hard rubber block and an elastic soft rubber block which are fixedly connected with each other, the elastic soft rubber block is bowl-shaped, the elastic soft rubber block is reversely buckled and is right opposite to the air hole, the barrel opening end of the safety buckle can extend into the lock catch sleeve, the hard rubber block extends into the safety buckle to push the second anti-falling ring open, and the second anti-falling ring is contacted and abutted against the first anti-falling ring; the disassembly process of the negative pressure safety lock of the display screen comprises the following steps:
s1: positioning, namely firstly using a negative pressure fan to be attached to the outer side surface of the module, and enabling a negative pressure air suction area of the negative pressure fan to completely cover all air holes on the module;
s2: unlocking, starting a negative pressure fan to continuously generate negative pressure between the elastic soft rubber block and the module, and finally completely attaching the elastic soft rubber block to the module to drive the hard rubber block to extend out of the safety buckle;
s3: and separating, namely keeping the negative pressure fan to continuously work, adsorbing the module by the negative pressure fan, and then pulling out the module from the box body by holding the negative pressure fan to separate and disassemble.
2. The display screen negative pressure safety lock of claim 1, wherein: the bottom of the safety buckle is provided with a through hole, the box body is provided with a threaded hole, a screw is arranged in the through hole, and the bolt penetrates through the through hole and extends into the threaded hole, so that the safety buckle is fixed on the box body.
3. The display screen negative pressure safety lock of claim 1, wherein: one end of the hard rubber block, which is far away from the elastic soft rubber block, is in a conical shape.
4. The display screen negative pressure safety lock of claim 1, wherein: the hard rubber block and the elastic soft rubber block are integrally formed by double-color injection molding.
5. The display screen negative pressure safety lock of claim 1, wherein:
the lock catch sleeve and the safety catch are made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210220638.0A CN114542565B (en) | 2022-03-08 | 2022-03-08 | Negative pressure safety lock for display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210220638.0A CN114542565B (en) | 2022-03-08 | 2022-03-08 | Negative pressure safety lock for display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114542565A true CN114542565A (en) | 2022-05-27 |
| CN114542565B CN114542565B (en) | 2023-10-27 |
Family
ID=81662717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210220638.0A Active CN114542565B (en) | 2022-03-08 | 2022-03-08 | Negative pressure safety lock for display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114542565B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080017528A (en) * | 2006-08-21 | 2008-02-27 | (주)라컴텍 | Suction plate using composite materials |
| CN209418071U (en) * | 2019-01-30 | 2019-09-20 | 广州市高博林电子有限公司 | A kind of fast disassembly type LED display unit plate |
| CN111312089A (en) * | 2019-06-06 | 2020-06-19 | 深圳市奥拓立翔光电科技有限公司 | Quick locking structure and LED display screen convenient to front maintenance |
| CN111326076A (en) * | 2018-12-13 | 2020-06-23 | 广州市高博林电子有限公司 | LED display screen unit board |
| CN111341216A (en) * | 2018-12-18 | 2020-06-26 | 广州市高博林电子有限公司 | Press unlocking type LED display screen unit board |
| CN211956967U (en) * | 2020-03-27 | 2020-11-17 | 深圳市洲明科技股份有限公司 | LED display module assembly and disassembly mechanism and LED display screen |
| CN214465421U (en) * | 2020-11-25 | 2021-10-22 | 深圳市雷迪奥视觉技术有限公司 | Two-way unblock safety lock and front and back maintenance display screen module |
-
2022
- 2022-03-08 CN CN202210220638.0A patent/CN114542565B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080017528A (en) * | 2006-08-21 | 2008-02-27 | (주)라컴텍 | Suction plate using composite materials |
| CN111326076A (en) * | 2018-12-13 | 2020-06-23 | 广州市高博林电子有限公司 | LED display screen unit board |
| CN111341216A (en) * | 2018-12-18 | 2020-06-26 | 广州市高博林电子有限公司 | Press unlocking type LED display screen unit board |
| CN209418071U (en) * | 2019-01-30 | 2019-09-20 | 广州市高博林电子有限公司 | A kind of fast disassembly type LED display unit plate |
| CN111312089A (en) * | 2019-06-06 | 2020-06-19 | 深圳市奥拓立翔光电科技有限公司 | Quick locking structure and LED display screen convenient to front maintenance |
| CN211956967U (en) * | 2020-03-27 | 2020-11-17 | 深圳市洲明科技股份有限公司 | LED display module assembly and disassembly mechanism and LED display screen |
| CN214465421U (en) * | 2020-11-25 | 2021-10-22 | 深圳市雷迪奥视觉技术有限公司 | Two-way unblock safety lock and front and back maintenance display screen module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114542565B (en) | 2023-10-27 |
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