CN114542565B - Negative pressure safety lock for display screen - Google Patents

Negative pressure safety lock for display screen Download PDF

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Publication number
CN114542565B
CN114542565B CN202210220638.0A CN202210220638A CN114542565B CN 114542565 B CN114542565 B CN 114542565B CN 202210220638 A CN202210220638 A CN 202210220638A CN 114542565 B CN114542565 B CN 114542565B
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CN
China
Prior art keywords
negative pressure
safety
lock
buckle
rubber block
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.)
Active
Application number
CN202210220638.0A
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Chinese (zh)
Other versions
CN114542565A (en
Inventor
贺爱民
金砾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Dacai Photoelectric Technology Co ltd
Original Assignee
Zhejiang Dacai Photoelectric Technology Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Zhejiang Dacai Photoelectric Technology Co ltd filed Critical Zhejiang Dacai Photoelectric Technology Co ltd
Priority to CN202210220638.0A priority Critical patent/CN114542565B/en
Publication of CN114542565A publication Critical patent/CN114542565A/en
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Publication of CN114542565B publication Critical patent/CN114542565B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04Dowels 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
    • F16B13/08Dowels 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
    • F16B13/0858Dowels 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B47/00Suction cups for attaching purposes; Equivalent means using adhesives
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0208Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings

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  • 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 display screen negative pressure safety lock, which comprises an air hole, a lock buckle sleeve, a locking block and a safety buckle, wherein the air hole, the lock buckle sleeve, the locking buckle sleeve and the safety buckle are arranged on a module, the lock buckle sleeve is opposite to the air hole, the inner side of one end of the lock buckle sleeve, which is far away from the module, is provided with a first anti-drop 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-drop ring, the side surface of the safety buckle is provided with a plurality of through grooves, the locking block is positioned in the lock buckle 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 and is reversely buckled and opposite to the air hole, and the barrel opening end of the safety buckle can extend into the lock buckle sleeve to enable the hard rubber block to extend into the safety buckle to jack the second anti-drop ring so that the second anti-drop ring is contacted and propped against the first anti-drop ring; the negative pressure safety lock for the display screen is convenient to use, simple in structure and capable of being unlocked by skillfully utilizing negative pressure action generated by a negative pressure maintenance tool.

Description

Negative pressure safety lock for display screen
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 conventional LED display screen is formed by combining a plurality of modules and a box body, and because the general size of the LED display screen is larger, or the LED display screen is installed in a higher place, the safety to maintenance or the anti-falling requirement in use is higher, and the components such as the modules and the like which are easy to fall are all provided with anti-falling safety designs, the design method of safety ropes is mostly adopted at present, but the convenience of the safety ropes is generally poorer, and the cost is higher.
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 ingenious in unlocking by utilizing the negative pressure action generated by the negative pressure maintenance tool, so as to solve the problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a display screen negative pressure safety lock, includes bleeder vent, lock buckle cover, latch segment and the safety knot that sets up on the module, the lock buckle cover is fixed in on the module and just to the bleeder vent to the one end inboard that the lock buckle cover kept away from the module is provided with first anticreep ring, the safety knot is the tubbiness and installs on the box, the bung hole outside department of safety knot is provided with the second anticreep ring, and the side of safety knot is provided with a plurality of logical grooves, the latch segment is located the lock buckle cover, and the latch segment includes mutual fixed connection's hard rubber piece and elasticity soft rubber piece, elasticity soft rubber piece is bowl form and back-off just to the bleeder vent, the bung hole end of safety knot can stretch into in the lock buckle cover, makes the hard rubber piece stretch into in the safety knot in order to jack-off second anticreep ring, makes second anticreep ring and first anticreep ring contact and offset;
the disassembly process of the negative pressure safety lock of the display screen is as follows:
s1: positioning, namely firstly attaching the negative pressure fan on the outer side surface of the module, and enabling a negative pressure suction area of the negative pressure fan to completely cover all ventilation holes on the module;
s2: unlocking, starting a negative pressure fan, continuously generating negative pressure between the elastic soft rubber block and the module, and finally enabling the elastic soft rubber block to be completely attached 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, separating and disassembling the module from the box body by holding the negative pressure fan.
The bottom of the safety buckle is further 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 stretches into the threaded hole, so that the safety buckle is fixed on the box body.
Further, one end of the hard rubber block, which is far away from the elastic soft rubber block, is conical.
Further, the hard rubber block and the elastic soft rubber block are integrally formed by double-color injection molding.
Further, 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:
according to the invention, the air holes, the lock catch sleeves, the locking blocks, the safety catch, the first anti-drop ring and the second anti-drop ring are arranged, the air holes and the lock catch sleeves are arranged on the module, the safety catch is arranged on the box body, the locking blocks are arranged into the hard rubber blocks and the elastic soft rubber blocks and are placed in the lock catch sleeves, so that when the module is buckled on the box body, the safety catch can directly extend into the lock catch sleeves, meanwhile, the hard rubber blocks can extend into the safety catch, the safety catch is propped open, the bung hole of the safety catch is expanded, the second anti-drop ring and the first anti-drop ring are buckled tightly, the safety catch and the lock catch sleeves are connected together, the anti-drop locking function is realized, the anti-drop locking can be directly carried out while the module and the box body are buckled and installed, the safety catch is simple in structure and convenient to use, and can be unlocked by only using a negative pressure maintenance tool to be attached to and covered on all the air holes when the module is unlocked.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is an exploded view of a combination of a shackle sleeve, a locking block, a screw, and a safety catch;
FIG. 2 is a schematic diagram showing a structure of a negative pressure safety lock of a display screen mounted on a module and a box;
FIG. 3 is a schematic diagram II of a display screen negative pressure safety lock mounted on a module and a box;
FIG. 4 is a schematic diagram of the structure of the module when the module is detached from the case;
FIG. 5 is an enlarged view of FIG. 4 at A;
fig. 6 is a schematic diagram II of the structure of the module when the module is detached from the case.
Marked in the figure as: 1. a module; 2. a case; 3. ventilation holes; 4. a lock buckle 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. negative pressure suction area.
Detailed Description
In the description of the present invention, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present invention, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.
1-3, a display screen negative pressure safety lock 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 faces the air hole 3, a first anti-drop ring 5 is arranged at the inner side of one end of the lock catch sleeve 4 far away from the module 1, the safety buckle 8 is barrel-shaped and is arranged on a box body 2, a second anti-drop ring 9 is arranged at the outer side of a barrel opening of the safety buckle 8, a plurality of through grooves 13 are formed in the side surface of the safety buckle 8, the locking block is positioned in the lock catch sleeve 4, 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 opposite to the air hole 3, and the opening end of the safety buckle 8 can extend into the lock catch sleeve 4, so that the hard rubber block 7 extends into the safety buckle 8 to jack the second anti-drop ring 9, and the second anti-drop ring 9 is contacted with the first anti-drop ring 5;
the disassembly process of the negative pressure safety lock of the display screen is as follows:
s1: positioning, as shown in fig. 4, firstly, attaching the negative pressure fan 14 to the outer side surface of the module 1, and enabling the negative pressure suction area 15 of the negative pressure fan 14 to completely cover all the ventilation holes 3 on the module 1;
s2: unlocking, starting a negative pressure fan 14, continuously generating negative pressure between the elastic soft rubber block 6 and the module 1, and finally enabling the elastic soft rubber block 6 to be completely attached to the module 1, and driving the hard rubber block 7 to extend out of the safety buckle 8;
s3: the separation, as shown in fig. 6, keeps the negative pressure fan 14 continuously operating, the negative pressure fan 14 adsorbs the module 1, and then the module 1 is pulled out from the case 2 by holding the negative pressure fan 14 for separation and detachment.
In this embodiment, as shown in fig. 2, preferably, a through hole 10 is provided at the bottom of the safety buckle 8, a threaded hole 12 is provided on the case 2, a screw 11 is provided in the through hole 10, and the screw passes through the through hole 10 and stretches into the threaded hole 12, so that the safety buckle 8 is fixed on the case 2, and can be detached, thereby facilitating later maintenance and replacement.
In this embodiment, as shown in fig. 1-2, the end of the hard rubber block 7 away from the elastic soft rubber block 6 is conical, so that the hard rubber block 7 can conveniently extend 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 double-shot molding, and the hard rubber block 7 is ensured to have enough hardness to push up the bunghole end of the safety buckle 8 and to have elasticity and sealing function on the elastic soft rubber block 6, and when no negative pressure exists, the elastic force of the hard rubber block 7 is given, so that the effect of locking the safety buckle 8 is realized.
In this embodiment, preferably, the locking sleeve 4 and the safety buckle 8 are made of plastic materials, so as to reduce 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 holes 3 are formed in the module 1, the threaded holes 12 are formed in the box body 2, then the lock catch sleeve 4 is fixed at the air holes 3 of the module 1, then the safety catch 8 is detachably fixed on the box body 2 (the threaded holes 12) through the screws 11, then the locking block is placed into the lock catch sleeve 4, the bowl mouth of the elastic soft rubber block 6 is reversely buckled at the air holes 3, then the module 1 can be buckled on the box body 2, when the display screen negative pressure safety lock is buckled, the safety catch 8 is opposite to the lock catch sleeve 4 and stretches into the lock catch sleeve 4, after the safety catch 8 stretches into the lock catch sleeve 4, the hard rubber block 7 in the lock catch sleeve 4 simultaneously stretches into the safety catch 8, the barrel mouth of the safety catch 8 is jacked up, the second anti-drop ring 9 and the first anti-drop ring 5 are buckled and attached to each other, and the safety catch 8 and the lock catch sleeve 4 are connected together, so that the anti-drop function is realized, and the display screen negative pressure safety lock is convenient to use and simple in structure.
When the negative pressure fan 14 is used in disassembly, firstly, the negative pressure fan 14 is attached to the outer side surface of the module 1, the negative pressure 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, negative pressure is continuously generated between the elastic soft rubber block 6 and the module 1, finally, the elastic soft rubber block 6 is completely attached to the module 1, so that the hard rubber block 7 is driven to extend out of the safety buckle 8, the bung end of the safety buckle 8 is enabled to rebound and shrink, the second anti-falling ring 9 and the first anti-falling ring 5 are not abutted any more, the safety buckle 8 can directly extend into the lock catch sleeve 4, finally, the negative pressure fan 14 is kept to continuously work, the negative pressure fan 14 can firmly adsorb the module 1, then the module 1 is pulled out from the box 2 to be separated by holding the negative pressure fan 14, so that the module 1 is disassembled from the box 2, and the negative pressure action generated by the negative pressure maintenance tool (the negative pressure fan 14) is skillfully utilized to unlock.
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 examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims (3)

1. A display screen negative pressure safety lock which is characterized in that: the anti-dropping device comprises an air hole, a lock buckle sleeve, a locking block and a safety buckle, wherein the air hole, the lock buckle sleeve, the locking block and the safety buckle are arranged on a module, the lock buckle sleeve is fixed on the module and is opposite to the air hole, the inner side of one end of the lock buckle sleeve, which is far away from the module, is provided with a first anti-dropping ring, the safety buckle is barrel-shaped and is arranged on a box body, the outer side of the barrel opening of the safety buckle is provided with a second anti-dropping ring, the side surface of the safety buckle is provided with a plurality of through grooves, the locking block is positioned in the lock buckle 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 and is opposite to the air hole, the barrel opening end of the safety buckle can extend into the lock buckle sleeve, the hard rubber block extends into the safety buckle to jack the second anti-dropping ring so that the second anti-dropping ring contacts and offsets the first anti-dropping ring, one end of the hard rubber block, which is far away from the elastic soft rubber block is cone-shaped, and the hard rubber block and the elastic soft rubber block are integrally molded by double-color injection;
the disassembly process of the negative pressure safety lock of the display screen is as follows:
s1: positioning, namely firstly attaching the negative pressure fan on the outer side surface of the module, and enabling a negative pressure suction area of the negative pressure fan to completely cover all ventilation holes on the module;
s2: unlocking, starting a negative pressure fan, continuously generating negative pressure between the elastic soft rubber block and the module, and finally enabling the elastic soft rubber block to be completely attached 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, separating and disassembling the module from the box body by holding the negative pressure fan.
2. A display screen negative pressure safety lock according to claim 1, wherein: the bottom of safety knot is provided with the through-hole, is provided with the screw hole on the box, be provided with the screw in the through-hole, the screw passes the through-hole and stretches into threaded hole, makes safety knot be fixed in on the box.
3. A display screen negative pressure safety lock according to claim 1, wherein: the lock catch sleeve and the safety catch are made of plastic materials.
CN202210220638.0A 2022-03-08 2022-03-08 Negative pressure safety lock for display screen Active CN114542565B (en)

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

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CN114542565A CN114542565A (en) 2022-05-27
CN114542565B true CN114542565B (en) 2023-10-27

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Citations (7)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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

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