CN111028730B

CN111028730B - All-weather protection outdoor display lamp box

Info

Publication number: CN111028730B
Application number: CN201911238755.4A
Authority: CN
Inventors: 万永程; 孙小刚; 李辉; 王海燕; 李天送; 魏雷波
Original assignee: Qingdao Kelin Advertising Equipment Co ltd
Current assignee: Qingdao Kelin Advertising Equipment Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2021-06-08
Anticipated expiration: 2039-12-06
Also published as: CN111028730A

Abstract

The invention relates to the technical field of lamp box manufacturing, in particular to an all-weather protection outdoor display lamp box, which comprises an outer frame, an anti-theft lock, a lamp cloth suspension device, a central frame, a mounting plate, a display screen and a top cover, wherein the anti-theft lock is arranged on the outer frame; the outer frame and the display screen are respectively arranged on the front side and the rear side of the central frame and are hinged with the top of the central frame, a sealing rubber strip and an anti-theft lock are arranged at the joint of the central frame and the outer frame, and a lamp cloth suspension device is arranged in the outer frame; the mounting plate is arranged between the central frame and the display screen and is provided with an electric element; the top cover is arranged above the central frame, the upper surface of the top cover is closed, and a heat dissipation channel is arranged between the top cover and the central frame. The invention adopts the double anti-theft lock, thus improving the anti-theft performance of the lamp box; the lamp cloth replacing step is simplified, and the operation is convenient; the waterproof and dustproof performance of the lamp box is improved while the heat dissipation is guaranteed, the structure is simple, and the application is wide.

Description

All-weather protection outdoor display lamp box

Technical Field

The invention relates to the technical field of lamp box manufacturing, in particular to an all-weather protection outdoor display lamp box.

Background

Due to the visual impact effect of the advertising lamp box and the flexible content replacement characteristic, the advertising lamp box is widely applied to various outdoor places for propaganda. Due to the complex outdoor environment and the lack of special maintenance personnel, the lamp box is easily damaged by dust, rain, snow and the like, and is easily stolen. In addition, present common lamp house needs professional operating personnel to carry out the part to the lamp house when changing lamp cloth and disassembles usually, and the step is complicated for outdoor great human cost that needs input.

Disclosure of Invention

The invention aims to solve the problems and provides an all-weather protection outdoor display lamp box which adopts the following technical scheme:

the all-weather protection outdoor display lamp box comprises an outer frame, an anti-theft lock, a sealing rubber strip, a lamp cloth suspension device, a central frame, a mounting plate, a display screen and a top cover;

the outer frame and the display screen are respectively arranged on the front side and the rear side of the central frame and are hinged with the top of the central frame, and a sealing rubber strip and an anti-theft lock are arranged at the joint of the central frame and the outer frame; the front side surface of the outer frame is made of transparent materials, and a lamp cloth suspension device is arranged in the outer frame; the mounting plate is arranged between the central frame and the display screen and is provided with an electric element; the top cover is arranged above the central frame, the upper surface of the top cover is closed, and a heat dissipation channel is arranged between the top cover and the central frame.

On the basis of the scheme, the lamp cloth suspension device comprises a suspension rod, a panel, a sliding rod, a sliding chute and a connecting plate;

a light source is arranged in the panel, sliding chutes are fixedly arranged on two sides of the panel, and a plurality of circular positioning holes are formed in the sliding chutes in the vertical direction; the sliding rod is arranged in the sliding groove and can slide up and down along the sliding groove; the top of the sliding rod is provided with a suspension rod, the suspension rod is provided with a clamping groove for fixing lamp cloth, the clamping groove is of a bottom opening structure, and a vertical plate at the front part of the clamping groove is inwards bent into a J-shaped cross section structure; the bottom of the sliding rod is fixedly connected with a positioning elastic sheet, the positioning elastic sheet has certain elasticity, a positioning pin is arranged on the positioning elastic sheet, and the positioning pin can be clamped in the positioning hole; the connecting plate sets up in the panel bottom, and lamp cloth lower end detachably sets up on the connecting plate.

On the basis of the scheme, a suspension shaft is fixedly arranged at the top of the lamp cloth suspension device, the suspension shaft is rotatably erected on a mounting seat, and the mounting seat is fixedly connected to the inside of the outer frame.

On the basis of the scheme, a fixed seat is fixed in the outer frame, the fixed seat is bent towards the direction of the central frame, and the bending depth is greater than the thickness of the lamp cloth suspension device; the end surface of the fixed seat close to the central frame is provided with a limiting sheet which can rotate in the plane of the end surface of the fixed seat; a limiting block is arranged below the limiting piece and is perpendicular to the end face of the fixing seat and integrally formed.

On the basis of the scheme, the anti-theft lockset comprises an end surface lock, a lock cylinder, a lock rod, a lock body part and a connecting part;

the end face lock is detachably mounted on the side surface of the outer frame; the lock body part comprises a lock seat, a lock hook and a torsion spring, wherein the lock hook comprises a rotating part and a clamping part which are integrally formed; the connecting part comprises a hanging rod and a fixed plate, wherein the hanging rod is clamped with the clamping part in a locking state, the hanging rod is fixedly arranged on the fixed plate, and the fixed plate is fixedly connected with the central frame; the torsion spring is sleeved on the rotating part, one end of the torsion spring is hung on the clamping part, and the other end of the torsion spring is abutted against the hanging rod; and a lock cylinder is fixedly arranged at one end of the lock rod close to the end face lock, a key matched with the lock cylinder in shape is arranged on the lock cylinder, and the key is inserted into the outer frame through a mounting hole of the end face lock on the outer frame.

On the basis of the scheme, one end of the lock cylinder is provided with a hexagonal blind hole, and the center of the hexagonal blind hole is provided with a cylindrical positioning column; the key comprises a holding part and a rod part which are integrally formed and are perpendicular to each other, the cross section of the rod part is hexagonal, and a round blind hole matched with the positioning column is formed in the free end of the rod part.

On the basis of the scheme, the edge of the outer frame is covered on the outer side of the front end face of the central frame, and the sealing rubber strip is arranged at the connection part of the periphery of the outer frame and the central frame and is embedded into the groove of the outer frame;

the sealing rubber strip is integrally formed by elastic materials, the cross section of the sealing rubber strip is composed of an arrow-shaped structure and an annular structure, the arrow-shaped structure and the annular structure are respectively embedded into the step-shaped groove of the outer frame, and the width of the step shoulder is smaller than the outer diameter of the arrow-shaped structure and larger than the outer diameter of the annular structure.

On the basis of the scheme, an anti-theft lock and a sealing rubber strip are arranged at the joint of the central frame and the display screen.

On the basis of the scheme, the top of the central frame is provided with a hollow heat dissipation groove; the top cap includes mounting groove and lid, the mounting groove cladding is in the louvre outside, and the lid is fixed to be set up at the mounting groove top, and the lid lower surface sets up a plurality of exhaust holes, exhaust hole and the inside cavity intercommunication of lid, the cavity passes through mounting groove and louvre intercommunication.

On the basis of the scheme, air springs are respectively arranged between the central frame and the outer frame as well as between the central frame and the display screen.

The invention has the beneficial effects that:

1. the anti-theft performance of the lamp box is improved by arranging the double safety locks, and the use requirement is met; the anti-theft lock has a simple structure and is easy to operate, maintain and replace.

2. The arrangement of the independent lamp cloth suspension device simplifies the lamp cloth replacement steps, reduces the labor input, and can be replaced by only one common operator; through setting up a plurality of not co-altitude locating holes to adapt to the not lamp cloth of equidimension, and the operating personnel of the different heights of being convenient for change, application scope is wide.

3. By arranging the sealing rubber strip and the top cover, the waterproof and dustproof requirements of the lamp box are met, and the lamp box is convenient to clean; the advertising lamp cloth is arranged inside the lamp box, so that the lamp cloth is prevented from being polluted by rainwater and dust, and the display effect is ensured; the lamp box is internally provided with a heat dissipation channel, and the top cover is provided with downward heat dissipation holes, so that the top cover can meet the heat dissipation requirement of the lamp box while preventing water.

4. Set up the lamp house into two-sided show structure, can use advertising light cloth and electronic display screen to demonstrate and propagate simultaneously, improve advertising light house's utilization efficiency, the using-way is nimble.

Drawings

FIG. 1: the invention is a schematic structural diagram of a use state;

FIG. 2: the invention has an explosion schematic diagram;

FIG. 3: the invention is a structural schematic diagram in an unfolded state;

FIG. 4: the lamp cloth suspension device is structurally schematic;

FIG. 5: the invention is a schematic structural diagram of an outer frame;

FIG. 6: the invention is a partial enlarged view of an end face lock structure;

FIG. 7: the invention is a schematic structural diagram of a lock body part;

FIG. 8: the lock hook structure of the invention is schematically shown;

FIG. 9: the invention discloses a lock core structure schematic diagram;

FIG. 10: the key structure of the invention is schematically shown;

FIG. 11: the invention relates to a local section view of the installation position of a sealing rubber strip;

FIG. 12: the top cover of the invention is a sectional view.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", etc. indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 3, the all-weather protection outdoor display lamp box comprises an outer frame 1, an anti-theft lock 2, a sealing rubber strip 3, a lamp cloth suspension device 4, a central frame 5, a mounting plate 6, a display screen 7 and a top cover 8. The outer frame 1 and the display screen 7 are respectively arranged on the front side and the rear side of the central frame 5 and hinged with the top of the central frame 5, and the gas springs 52 are respectively arranged between the central frame 5 and the outer frame 1 and between the central frame 5 and the display screen 7, so that the outer frame 1 and the display screen 7 can rotate outwards relative to the central frame 5 by taking the top end connection part as an axis under the supporting action of the gas springs 52. The joint of the central frame 5 and the outer frame 1 is provided with a sealing rubber strip 3 and an anti-theft lockset 2. The front side surface of the outer frame 1 is made of transparent materials, and the lamp cloth suspension device 4 is arranged in the outer frame 1, so that the advertising lamp cloth can be arranged inside the lamp box, pollution is avoided, and the display effect of the lamp cloth is guaranteed. The mounting plate 6 is disposed between the center frame 5 and the display screen 7 and has electric components mounted thereon. Preferably, the display screen 7 may be a liquid crystal screen or an LED screen. The top cover 8 is arranged above the central frame 5, the upper surface of the top cover 8 is closed, and a heat dissipation channel is arranged between the top cover 8 and the central frame 5.

As shown in fig. 4 to 5, the light cloth hanging device 4 includes a hanging rod 43, a panel 45, a sliding rod 46, a sliding groove 47, and a connecting plate 48. A light source, preferably a side light guide plate, is disposed in the panel 45. The light cloth 44 is arranged in front of the panel 45, so that the light box is arranged in a backlight mode, and the display effect is enhanced. Sliding grooves 47 are fixedly arranged on two sides of the panel 45, and a plurality of circular positioning holes 471 are formed in the sliding grooves 47 in the vertical direction. The slide bar 46 sets up in the spout 47 and can slide from top to bottom along the spout 47, and the slide bar 46 top is provided with hangs pole 43, hangs the draw-in groove that is provided with fixed lamp cloth 44 on the pole 43, and the draw-in groove is bottom open structure, and the anterior riser of draw-in groove is inwards bent into cross-section J type structure to hang the top of lamp cloth 44. The bottom of the sliding rod 46 is fixedly connected with a positioning elastic sheet 461, the positioning elastic sheet 461 has certain elasticity, and the lower end of the positioning elastic sheet 461 is bent outwards, so that the operation is convenient. The positioning spring 461 is provided with a positioning pin 462, and the positioning pin 462 can be clamped in the positioning hole 471. The connecting plate 48 is arranged at the bottom of the panel 45, and the lower end of the lamp cloth 44 is detachably arranged on the connecting plate 48.

When the lamp cloth is replaced, the lower end of the positioning spring 461 is shifted outwards to drive the positioning pin 462 to be disengaged from the positioning hole 471, and then the sliding rods 47 on the two sides synchronously move downwards to the proper positions, and the positioning pins 462 are clamped into the corresponding positioning holes 471, so that the positions of the sliding rods 47 and the hanging rods 43 are fixed. The upper end of the lamp cloth 44 is bent or a hanging shaft is added, the bent part or the hanging shaft is clamped into the clamping groove from one end of the front part of the hanging rod 43, and then the whole lamp cloth is pushed into the clamping groove. After the top of the lamp cloth 44 is installed in the slot, the position of the sliding rod 47 is adjusted according to the size of the lamp cloth, and the positioning pin 462 is snapped into the corresponding positioning hole 471 to fix the positions of the hanging rod 43 and the sliding rod 47. The bottom of the lamp cloth 44 is fixed on the connecting plate 48 by gluing or magnetic attraction, so as to keep the lamp cloth flat.

The top of the lamp cloth suspension device 4 is fixedly provided with a suspension shaft 42, the suspension shaft 42 is rotatably erected on a mounting seat 41, and the mounting seat 41 is fixedly connected inside the outer frame 1. A fixed seat 11 is fixed in the outer frame 1, the fixed seat 11 is bent towards the direction of the central frame 5, and the bending depth is greater than the thickness of the lamp cloth hanging device 4; the end surface of the fixed seat 11 close to the central frame 5 is provided with a limiting sheet 12, and the limiting sheet 12 can rotate in the plane of the end surface of the fixed seat 11; a limiting block is arranged below the limiting piece 12 and is perpendicular to the end face of the fixing seat 11 and is integrally formed. In order to stabilize the position of the lamp cloth hanging device 4, the number of the limiting pieces 12, the fixing seats 11 and the limiting blocks is two, and the limiting pieces are respectively arranged on the left side and the right side of the outer frame 1. When the lamp cloth needs to be replaced, the outer frame 1 is rotated outwards relative to the central frame 5 and fixed in position, the limiting piece 12 is rotated to enable the lamp cloth hanging device 4 to be separated from the limiting piece 12, the hanging shaft 42 is used as a rotating shaft to rotate backwards to a vertical position, and the lamp cloth hanging device 4 is separated from the outer frame 1, so that the lamp cloth is convenient to replace. After the lamp cloth is replaced, the lamp cloth hanging device 4 is rotated back to a position between the limiting piece 12 and the outer frame 1, the limiting piece 12 is rotated to the limiting block position, the position of the lamp cloth hanging device 4 is fixed, and the position of the limiting piece 12 is limited to prevent the lamp cloth hanging device 4 from continuously rotating to enable the lamp cloth hanging device 4 to be separated.

As shown in fig. 5 to 10, the antitheft lock 2 includes an end surface lock 21, a key cylinder 22, a lock bar 24, a lock body portion, and a connecting portion. End lock 21 detachably installs in outer frame 1 side surface, and lock body portion includes lock seat 25, latch hook 26 and torsional spring 27, and wherein latch hook 26 includes integrated into one piece's rotating part 261 and block portion 262, lock seat 25 fixed mounting is in outer frame 1, rotating part 261 rotationally sets up in lock seat 25 to fixed cover is equipped with locking lever 24. The connecting part comprises a hanging rod 29 and a fixing plate 28, wherein the hanging rod 29 is clamped with the clamping part 262 in a locking state, the hanging rod 29 is fixedly arranged on the fixing plate 28, and the fixing plate 28 is fixedly connected with the central frame 5. The torsion spring 27 is sleeved on the rotating portion 261, one end of the torsion spring 27 is hung on the engaging portion 262, and the other end abuts against the hanging rod 29. The lock rod 24 is provided with a lock core 22 at one end close to the end face lock 21, a hexagonal blind hole is formed at one end of the lock core 22, a cylindrical positioning column is arranged in the center of the hexagonal blind hole, and the free end of the positioning column extends out of the end face of the hexagonal blind hole. The lock core 22 is provided with a key 23 matched with the shape of the lock core, the key 23 comprises a holding part 231 and a rod part 232 which are integrally formed and perpendicular to each other, the cross section of the rod part 232 is hexagonal, and a free end of the rod part is provided with a round blind hole matched with the positioning column. The key 23 is inserted into the outer frame 1 through the mounting hole of the end lock 21 on the outer frame 1. In order to enhance the structural reliability in the locking state, the number of the lock body parts and the number of the connecting parts are two respectively.

When the lock is unlocked, the end face lock 21 is firstly unlocked and taken out of the outer frame 1, a mounting hole is reserved, the key 23 is inserted into the outer frame 1 through the mounting hole, the circular blind hole in the key 23 and the positioning column of the lock cylinder 22 are positioned, the holding part 231 is used for rotating the rod part 232 for a certain angle, the rod part 232 is inserted into the hexagonal blind hole of the lock cylinder, then the lock cylinder 22 and the lock rod 24 are driven to rotate, so that the clamping part 262 of the lock hook 26 is disengaged from the hanging rod 29, the lock is unlocked, and the outer frame 1 can be rotated relative to the central frame 5. When the light box needs to be closed, the outer frame 1 is pushed to enable the lower end of the outer frame to be in contact with the central frame 5, the key 23 is loosened, the clamping portion 262 is clamped on the hanging rod 29 under the action of the torsion spring 27 to achieve locking, and then the end face lock 21 is installed in the installation hole of the outer frame 1 and locked, so that locking of the whole set of anti-theft lock and closing of the light box are completed.

As shown in fig. 1, 11 and 12, the edge of the outer frame 1 covers the front end face of the central frame 5, which not only ensures the reliability of installation, but also prevents dust or rain water from entering the lamp box from the side. The sealing rubber strip 3 is arranged at the connection part of the periphery of the outer frame 1 and the central frame 5 and is embedded into the groove of the outer frame 1. Joint strip 3 comprises arrowhead-shaped structure and loop configuration by elastic material integrated into one piece, its cross section, imbeds respectively in outer frame 1's step shape recess, step shoulder width is less than arrowhead-shaped structure external diameter and is greater than the loop configuration external diameter, avoids joint strip 3 to deviate from in outer frame 1's recess, and joint strip's two-stage structure can improve lamp house erection joint's leakproofness, prevents inside dust and rainwater entering lamp house. The top cover 7 is arranged at the top of the central frame 6, the upper surface of the top cover 7 is sealed, rainwater can be prevented from permeating, and partial rainwater can be shielded for the lamp box.

For the electrical components in the lamp house can in time dispel the heat, be provided with heat dissipation channel between central frame 5 and top cap 8, concrete structure is: the top of the central frame 5 is provided with a heat dissipation hole 51; the top cap 8 comprises a mounting groove 81 and a cap body 82, the mounting groove 81 is coated on the outer side of the heat dissipation hole 51, the cap body 82 is fixedly arranged at the top of the mounting groove 81, a plurality of exhaust holes 83 are formed in the lower surface of the cap body 82, the exhaust holes 83 are communicated with the inner cavity of the cap body 82, and the cavity is communicated with the heat dissipation hole 51 through the mounting groove 81. Through the structure, heat generated by the electrical element can be conveyed to the cavity in the cover body 82 through the heat dissipation hole 51 and the mounting groove 81, and then is discharged downwards through the exhaust hole 83, so that the heat can be timely discharged, and rainwater can be prevented from entering the lamp box through the heat dissipation channel to cause damage.

Preferably, the joint of the central frame 5 and the display screen 7 is provided with an anti-theft lock 2 and a sealing rubber strip 3.

The present invention has been described above by way of example, but the present invention is not limited to the above-described specific embodiments, and any modification or variation made based on the present invention is within the scope of the present invention as claimed.

Claims

1. All-weather protection outdoor show lamp house, its characterized in that: the anti-theft lock comprises an outer frame (1), an anti-theft lock (2), a sealing rubber strip (3), a lamp cloth suspension device (4), a central frame (5), a mounting plate (6), a display screen (7) and a top cover (8);

the outer frame (1) and the display screen (7) are respectively arranged on the front side and the rear side of the central frame (5) and hinged with the top of the central frame (5), and a sealing rubber strip (3) and an anti-theft lock (2) are arranged at the joint of the central frame (5) and the outer frame (1); the front side surface of the outer frame (1) is made of transparent materials, and a lamp cloth suspension device (4) is arranged in the outer frame (1); the mounting plate (6) is arranged between the central frame (5) and the display screen (7) and is provided with an electric element; the top cover (8) is arranged above the central frame (5), the upper surface of the top cover (8) is closed, and a heat dissipation channel is arranged between the top cover and the central frame (5);

the lamp cloth suspension device (4) comprises a suspension rod (43), a panel (45), a sliding rod (46), a sliding groove (47) and a connecting plate (48); a light source is arranged in the panel (45), sliding grooves (47) are fixedly arranged on two sides of the panel (45), and a plurality of circular positioning holes (471) are formed in the sliding grooves (47) in the vertical direction; the sliding rod (46) is arranged in the sliding groove (47) and can slide up and down along the sliding groove (47); a hanging rod (43) is arranged at the top of the sliding rod (46), a clamping groove for fixing the lamp cloth (44) is arranged on the hanging rod (43), the clamping groove is of a bottom opening structure, and a vertical plate at the front part of the clamping groove is inwards bent into a J-shaped cross section structure; the bottom of the sliding rod (46) is fixedly connected with a positioning elastic sheet (461), the positioning elastic sheet (461) has certain elasticity, a positioning pin (462) is arranged on the positioning elastic sheet, and the positioning pin (462) can be clamped in the positioning hole (471); the connecting plate (48) is arranged at the bottom of the panel (45), and the lower end of the lamp cloth (44) is detachably arranged on the connecting plate (48).

2. The all weather protective outdoor display light box of claim 1, wherein: the lamp cloth hanging device is characterized in that a hanging shaft (42) is fixedly arranged at the top of the lamp cloth hanging device (4), the hanging shaft (42) is rotatably erected on a mounting seat (41), and the mounting seat (41) is fixedly connected to the inside of the outer frame (1).

3. The all weather protective outdoor display light box of claim 1, wherein: a fixed seat (11) is fixed in the outer frame (1), the fixed seat (11) is bent towards the central frame (5), and the bending depth is greater than the thickness of the lamp cloth hanging device (4); the end surface of the fixed seat (11) close to the central frame (5) is provided with a limiting sheet (12), and the limiting sheet (12) can rotate in the plane of the end surface of the fixed seat (11); a limiting block is arranged below the limiting sheet (12), and the limiting block and the end face of the fixing seat (11) are perpendicular and are integrally formed.

4. The all weather protective outdoor display light box of claim 1, wherein: the anti-theft lock (2) comprises an end face lock (21), a lock cylinder (22), a lock rod (24), a lock body part and a connecting part;

the end face lock (21) is detachably mounted on the side surface of the outer frame (1); the lock body part comprises a lock seat (25), a lock hook (26) and a torsion spring (27), wherein the lock hook (26) comprises an integrally formed rotating part (261) and a clamping part (262), the lock seat (25) is fixedly installed in the outer frame (1), the rotating part (261) is rotatably arranged in the lock seat (25) and is fixedly sleeved with a lock rod (24); the connecting part comprises a hanging rod (29) and a fixing plate (28) which are clamped with the clamping part (262) in a locking state, the hanging rod (29) is fixedly arranged on the fixing plate (28), and the fixing plate (28) is fixedly connected with the central frame (5); the torsion spring (27) is sleeved on the rotating part (261), one end of the torsion spring (27) is hung on the clamping part (262), and the other end of the torsion spring abuts against the hanging rod (29); one end of the lock rod (24) close to the end face lock (21) is fixedly provided with a lock cylinder (22), the lock cylinder (22) is provided with a key (23) matched with the lock cylinder in shape, and the key (23) is inserted into the outer frame (1) through a mounting hole of the end face lock (21) on the outer frame (1).

5. The all weather protective outdoor display light box of claim 4, wherein: one end of the lock core (22) is provided with a hexagonal blind hole, and the center of the hexagonal blind hole is provided with a cylindrical positioning column; the key (23) comprises a holding part (231) and a rod part (232) which are integrally formed and perpendicular to each other, the cross section of the rod part (232) is hexagonal, and a free end of the rod part is provided with a round blind hole matched with the positioning column.

6. The all weather protective outdoor display light box of claim 1, wherein: the edge of the outer frame (1) is covered on the outer side of the front end face of the central frame (5), and the sealing rubber strip (3) is arranged at the connection part of the periphery of the outer frame (1) and the central frame (5) and is embedded into the groove of the outer frame (1);

the sealing rubber strip (3) is integrally formed by elastic materials, the cross section of the sealing rubber strip is composed of an arrow-shaped structure and an annular structure, the sealing rubber strip is respectively embedded into the step-shaped groove of the outer frame (1), and the width of the step shoulder is smaller than the outer diameter of the arrow-shaped structure and larger than the outer diameter of the annular structure.

7. The all weather protective outdoor display light box of claim 1, wherein: and an anti-theft lock (2) and a sealing rubber strip (3) are arranged at the joint of the central frame (5) and the display screen (7).

8. The all weather protective outdoor display light box of claim 1, wherein: the top of the central frame (5) is provided with a heat dissipation hole (51); top cap (8) are including mounting groove (81) and lid (82), the mounting groove (81) cladding is in louvre (51) outside, and lid (82) are fixed to be set up at mounting groove (81) top, and lid (82) lower surface sets up a plurality of exhaust holes (83), exhaust hole (83) and lid (82) inside cavity intercommunication, the cavity passes through mounting groove (81) and louvre (51) intercommunication.

9. The all weather protective outdoor display light box of claim 1, wherein: and air springs (52) are respectively arranged between the central frame (5) and the outer frame (1) and between the central frame and the display screen (7).