CN210865509U

CN210865509U - LED letter lamp

Info

Publication number: CN210865509U
Application number: CN202020157161.2U
Authority: CN
Inventors: 李金峰
Original assignee: Hangzhou Stanton Display Mfg Co ltd
Current assignee: Hangzhou Stanton Display Mfg Co ltd
Priority date: 2020-02-09
Filing date: 2020-02-09
Publication date: 2020-06-26
Anticipated expiration: 2030-02-09

Abstract

The utility model relates to a LED letter lamp, which comprises a plastic outer shell and a plastic inner shell, wherein a hollow cavity is formed between the plastic outer shell and the plastic inner shell; the plastic inner shell comprises a bottom plate and an inner connecting plate which are fixedly connected, the inner connecting plate is arranged along the periphery of the bottom plate, and the inner connecting plate is perpendicular to the bottom plate; the plastic shell comprises an outer plate and an outer connecting plate which are fixedly connected, the outer connecting plate is arranged along the periphery of the outer plate, and the outer connecting plate is perpendicular to the outer plate; the inner side wall of the outer connecting plate is abutted against the outer side wall of the inner connecting plate, and the end face of the outer connecting plate, far away from the outer plate, is flush with the end face of the inner connecting plate, far away from the bottom plate; the end face, far away from the outer plate, of the outer connecting plate is rotatably connected with a plurality of plastic fixing plates, and each plastic fixing plate is provided with a fixing piece for fixing the relative position of the inner connecting plate and the outer connecting plate. The utility model discloses the effect of better waterproof nature has.

Description

LED letter lamp

Technical Field

The utility model belongs to the technical field of the technique of alphabetical lamp and specifically relates to a LED alphabetical lamp is related to.

Background

An LED lamp is a light emitting diode, a solid state semiconductor device that can convert electrical energy into visible light, and can directly convert electricity into light. The LED letter lamp is characterized in that a plurality of LED bulbs are placed in a letter-shaped lamp box according to the shape of letters, and the LED bulbs are electrified to emit light in the shape of the letters. The general LED letter lamp can be placed outdoors as a billboard and the like, and can often meet rainy weather when placed outdoors, so that the LED letter lamp needs to have excellent waterproofness.

The existing chinese patent with publication number CN203190191U discloses an LED alphabetic lamp, which comprises a housing, a bottom plate, and an LED light-emitting module, wherein the housing and the bottom plate enclose a hollow cavity, and the LED light-emitting module is disposed in the hollow cavity enclosed by the housing and the bottom plate. The LED light-emitting module is fixed on the shell or the bottom plate. The shell is a letter-shaped semitransparent acrylic plastic injection molding.

The above prior art solutions have the following drawbacks: if the LED letter lamp is placed outdoors, rainwater weather is avoided, the LED letter lamp does not have a corresponding waterproof structure under the rainwater weather, rainwater can permeate into the LED letter lamp, the inside lamp and the circuit are damaged, and the service life of the LED letter lamp is shortened.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a LED letter lamp, its advantage that has better waterproof nature.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an LED letter lamp comprises a plastic outer shell and a plastic inner shell, wherein a hollow cavity is formed between the plastic outer shell and the plastic inner shell; the plastic inner shell comprises a bottom plate and an inner connecting plate which are fixedly connected, the inner connecting plate is arranged along the periphery of the bottom plate, and the inner connecting plate is perpendicular to the bottom plate; the plastic shell comprises an outer plate and an outer connecting plate which are fixedly connected, the outer connecting plate is arranged along the periphery of the outer plate, and the outer connecting plate is perpendicular to the outer plate; the inner side wall of the outer connecting plate is abutted against the outer side wall of the inner connecting plate, and the end face of the outer connecting plate, far away from the outer plate, is flush with the end face of the inner connecting plate, far away from the bottom plate; the end face, far away from the outer plate, of the outer connecting plate is rotatably connected with a plurality of plastic fixing plates, and each plastic fixing plate is provided with a fixing piece for fixing the relative position of the inner connecting plate and the outer connecting plate.

Through adopting above-mentioned technical scheme, the cavity that forms between the interior casing of plastic shell body and plastics can place the LED bulb, because the interior casing of plastic shell body and plastics all is the plastics material, has certain elasticity, and the inside wall of outer connecting plate offsets with the lateral wall of internal connection board again, can realize that it is interference fit and then guarantees to connect between the interior casing of plastic shell body and the plastics between the casing closely in can realizing the plastic shell body and the plastics. The fixing piece on the plastic fixing plate can further fix the relative positions of the inner connecting plate and the outer connecting plate, so that the connection between the plastic outer shell and the plastic inner shell is ensured to be tight, the LED letter lamp can be better waterproof when placed outdoors, and the service life of the LED letter lamp is ensured.

The present invention may be further configured in a preferred embodiment as: the plastic fixing plate is L-shaped and comprises a horizontal part and a vertical part which are perpendicular to each other, one end of the horizontal part is rotatably connected with the end surface of the outer connecting plate, which is far away from the outer plate, and the other end of the horizontal part is fixedly connected with the vertical part; the mounting is the plastics grip block, each the vertical portion keeps away from the terminal surface of horizontal part all with the plastics grip block fixed connection that corresponds, each the plastics grip block all corresponds the joint with the terminal surface that vertical portion is connected has first fixed block, each first fixed block all with the inside wall fixed connection of in-connection board.

Through adopting above-mentioned technical scheme, the relative fixation between plastic casing body and the plastics inner shell can be guaranteed to the terminal surface and the first fixed block joint that the plastics grip block is connected with vertical portion.

The present invention may be further configured in a preferred embodiment as: the outer side wall of the outer connecting plate is provided with a plurality of plastic screws, the plastic screws penetrate through the outer connecting plate and the inner connecting plate, outer plastic nuts are arranged on the outer side wall of the outer connecting plate and correspond to the plastic screws, inner plastic nuts are arranged on the inner side wall of the inner connecting plate and correspond to the plastic screws, and each plastic screw is in threaded fit with the corresponding outer plastic nut and the corresponding inner plastic nut.

By adopting the technical scheme, the plastic screw rod can be further fixed to the plastic inner shell and the plastic outer shell after being in threaded fit with the outer plastic nut and the inner plastic nut, and the plastic inner shell and the plastic outer shell are ensured to be tightly attached.

The present invention may be further configured in a preferred embodiment as: each horizontal part, the vertical part and the corresponding plastic clamping plate are integrally molded.

Through adopting above-mentioned technical scheme, horizontal part, vertical portion and plastics grip block integrated into one piece can guarantee the stability of connecting between horizontal part, vertical portion and the plastics grip block.

The present invention may be further configured in a preferred embodiment as: a second fixed block is arranged on one side, close to the bottom plate, of each first fixed block, the second fixed blocks are connected with the inner connecting plate in a sliding mode, and springs are connected between each first fixed block and the corresponding second fixed block; each the first fixed block is close to and has seted up the hole with the spring correspondence on the terminal surface of the second fixed block that corresponds, each the one end of spring and the diapire fixed connection of the hole that corresponds, each the other end of spring and the terminal surface fixed connection that the second fixed block that corresponds is close to the first fixed block that corresponds, each the spring that corresponds when first fixed block and second fixed block are hugged closely is in tensile state, each first fixed block and the second fixed block that corresponds all are used for pressing from both sides the tight plastics grip block that corresponds.

Through adopting above-mentioned technical scheme, first fixed block, second fixed block and spring can press from both sides tight plastics grip block, guarantee that the plastics grip block can not break away from between first fixed block and the second fixed block, and then guarantee to hug closely between plastics inner shell and the plastics shell body.

The present invention may be further configured in a preferred embodiment as: each spring between first fixed block and the second fixed block all is provided with two, each first fixed block is close to the hole on the terminal surface of the second fixed block that corresponds and all corresponds with the spring and has seted up two.

Through adopting above-mentioned technical scheme, two springs can guarantee the stability of being connected between first fixed block and the second fixed block better.

The present invention may be further configured in a preferred embodiment as: a plurality of dovetail grooves are formed in the inner side wall of the inner connecting plate along the arrangement direction of the springs, the area of the bottom wall of each dovetail groove is larger than the area of the groove opening of each dovetail groove, and each sliding block which is correspondingly clamped and embedded with each dovetail groove is fixedly connected to each second fixing block.

Through adopting above-mentioned technical scheme, dovetail and fixture block correspond the inlay card and can guarantee that the second fixed block can be on the inner junction plate relative slip, can guarantee again that the second fixed block does not deviate from the inner junction plate.

The present invention may be further configured in a preferred embodiment as: and the plastic outer shell is provided with water leakage holes.

Through adopting above-mentioned technical scheme, the hole that leaks can be with leaking into the inside water discharge of LED letter lamp, prevents that the inside ponding of LED letter lamp from too much damaging the letter lamp.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the plastic outer shell, the plastic inner shell, the plastic fixing plate and the fixing piece, the relative fixation between the plastic inner shell and the plastic outer shell can be ensured, and the waterproof performance of the LED letter lamp is improved;

2. through the setting of plastics screw rod, outer plastic nut and interior plastic nut, can further guarantee relatively fixed between plastics interior casing and the plastics shell body, further improve the waterproof performance of LED alphabetical lamp.

Drawings

Fig. 1 is a schematic view of the overall structure of an LED letter lamp shown in this embodiment;

FIG. 2 is a rear view of the LED letter lamp shown in the present embodiment;

FIG. 3 is an exploded view of the plastic outer housing and the plastic inner housing shown in this embodiment;

fig. 4 is an exploded view of the LED letter lamp shown in the present embodiment;

FIG. 5 is an enlarged view of portion A of FIG. 3;

FIG. 6 is an enlarged view of portion B of FIG. 4;

FIG. 7 is an enlarged view of portion C of FIG. 4;

FIG. 8 is an enlarged view of portion D of FIG. 4;

fig. 9 is an enlarged view of a portion E in fig. 4.

In the figure, 1, a plastic outer shell; 11. an outer plate; 12. an outer connecting plate; 13. a plastic fixing plate; 131. a horizontal portion; 132. a vertical portion; 14. a rotating shaft; 15. a plastic clamping plate; 16. a plastic screw; 161. an outer plastic nut; 162. an inner plastic nut; 2. a plastic inner housing; 21. a base plate; 22. an inner connection plate; 23. a first fixed block; 24. a second fixed block; 241. a slider; 25. a spring; 26. a hole; 27. a dovetail groove; 3. and (4) water leakage holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses a LED alphabet lamp, LED alphabet lamp's shape is L shape, including plastic casing 1 and the interior casing of plastics 2, plastic casing 1 and the interior casing of plastics 2 are L shape, and plastic casing 1 slightly is greater than interior casing of plastics 2. Form the cavity between the casing 2 in plastic shell body 1 and the plastics, the cavity is used for placing the LED bulb, and casing 2 is translucent ya keli plastics injection molding in plastic shell body 1 and the plastics, and LED alphabetical lamp is vertical placing.

Referring to fig. 2 and 3, the plastic inner housing 2 includes a bottom plate 21 and an inner connection plate 22 fixedly connected, the inner connection plate 22 is disposed along a periphery of the bottom plate 21, and the inner connection plate 22 is perpendicular to the bottom plate 21; the plastic shell 1 includes an outer plate 11 and an outer connecting plate 12, wherein the outer connecting plate 12 is fixedly connected with the outer plate 11, the outer connecting plate 12 is arranged along the periphery of the outer plate 11, and the outer connecting plate 12 is perpendicular to the outer plate 11. The bottom plate 21 and the outer plate 11 are both L-shaped, the outer plate 11 is slightly larger than the bottom plate 21, and the inner connecting plate 22 and the outer connecting plate 12 are both L-shaped closed loops.

Referring to fig. 3, the inner side wall of the outer connecting plate 12 abuts against the outer side wall of the inner connecting plate 22, and the end surface of the outer connecting plate 12 away from the outer plate 11 is flush with the end surface of the inner connecting plate 22 away from the bottom plate 21. The outer connecting plates 12 and the inner connecting plates 22 are made of plastic materials, so that certain elasticity is achieved, and the outer connecting plates 12 and the inner connecting plates 22 are in interference fit. The plastic outer shell 1 is provided with water leakage holes 3 for discharging water leaking into the LED letter lamp, and the water leakage holes 3 are located on the bottom surface of the plastic outer shell 1.

Referring to fig. 2 and 4, the end face of the outer connecting plate 12 far away from the outer plate 11 is rotatably connected with a plurality of plastic fixing plates 13, specifically, the plastic fixing plates 13 are six, six plastic fixing plates 13 and six end faces of the outer connecting plate 12 far away from the outer plate 11 are arranged in a one-to-one correspondence manner, six end faces of the outer connecting plate 12 far away from the outer plate 11 are rectangular, each plastic fixing plate 13 is arranged along the length direction of the corresponding end face, with reference to fig. 5, one end of each plastic fixing plate 13 is fixedly connected with a rotating shaft 14, and each plastic fixing plate 13 is rotatably connected with the end face of the outer connecting plate 12 far away from the outer plate 11. The plastic fixing plate 13 is L-shaped, the plastic fixing plate 13 includes a horizontal portion 131 and a vertical portion 132 perpendicular to each other, one end of the horizontal portion 131 is rotatably connected to the end surface of the corresponding outer connecting plate 12 away from the outer plate 11, and the other end of the horizontal portion 131 is fixedly connected to the vertical portion 132. The longitudinal direction of the plastic fixing plate 13 is the longitudinal direction of the end face corresponding thereto.

Referring to fig. 4 and 8, each plastic fixing plate 13 is provided with a fixing member for fixing the relative position of the inner connecting plate 22 and the outer connecting plate 12, specifically, the fixing member is a plastic clamping plate 15, the end surface of the vertical portion 132 away from the horizontal portion 131 is fixedly connected with the plastic clamping plate 15, each plastic clamping plate 15 is arranged along the length direction of the corresponding plastic fixing plate 13, and the horizontal portion 131, the vertical portion 132 and the plastic clamping plate 15 are integrally formed. The end face that each plastics grip block 15 and vertical portion 132 are connected all corresponds the joint and has first fixed block 23, and first fixed block 23 is provided with six, six first fixed blocks 23 all with the inside wall fixed connection of interior connecting plate 22, and each first fixed block 23 all sets up along the length direction of the plastics fixed plate 13 that corresponds. The plastic clamping plate 15 has certain elasticity, and the plastic clamping plate 15 can generate elastic deformation when being clamped with the first fixing block 23, so that the plastic clamping plate 15 can extrude the first fixing block 23 to further enable the plastic clamping plate 15 to be tightly buckled with the first fixing block 23.

Referring to fig. 4 and 8, a second fixing block 24 is disposed on one side of each first fixing block 23 close to the bottom plate 21, each second fixing block 24 is disposed along the length direction of the corresponding plastic fixing plate 13, the second fixing blocks 24 are connected with the inner connecting plate 22 in a sliding manner, and in combination with fig. 6, two springs 25 are connected between each first fixing block 23 and the corresponding second fixing block 24. Specifically, the length of each first fixed block 23 along the length direction of the corresponding plastic fixing plate 13 and the length of the corresponding second fixed block 24 along the length direction of the corresponding plastic fixing plate 13 are both greater than the length of the corresponding plastic clamping plate 15 along the length direction of the corresponding plastic fixing plate 13, two springs 25 are distributed at two ends of the corresponding first fixed block 23 along the length direction of the corresponding plastic fixing plate 13, two holes 26 are correspondingly formed in the end face, close to the corresponding second fixed block 24, of the first fixed block 23 with the springs 25, one end of each spring 25 is fixedly connected with the bottom wall of the corresponding hole 26, and the other end of each spring 25 is fixedly connected with the end face, close to the first fixed block 23, of the second fixed block 24. When the first fixing blocks 23 and the second fixing blocks 24 are tightly attached to each other, the springs 25 are in a stretching state, each first fixing block 23 and the corresponding second fixing block 24 are used for clamping the corresponding plastic clamping plate 15, and each plastic clamping plate 15 is located between the corresponding first fixing block 23 and the corresponding second fixing block 24.

Referring to fig. 3 and 6, six dovetail grooves 27 are formed in the inner side wall of the inner connecting plate 22 along the arrangement direction of the springs 25, the dovetail grooves 27 correspond to the second fixing blocks 24 one by one, the area of the bottom wall of each dovetail groove 27 is larger than the area of the notch of the dovetail groove 27, and a slider 241 which is correspondingly clamped and embedded in the dovetail groove 27 is fixedly connected to the end surface of each second fixing block 24 close to the inner connecting plate 22.

Referring to fig. 4 and 9, a plurality of plastic screws 16 are disposed on the outer side wall of the outer connecting plate 12, each plastic screw 16 penetrates through the outer connecting plate 12 and the inner connecting plate 22, an outer plastic nut 161 is disposed on the outer side wall of the outer connecting plate 12 corresponding to the plastic screw 16, an inner plastic nut 162 is disposed on the inner side wall of the inner connecting plate 22 corresponding to the plastic screw 16, and each plastic screw 16 is in threaded fit with the corresponding outer plastic nut 161 and inner plastic nut 162.

The implementation principle of the above embodiment is as follows:

in the initial state, the plastic outer housing 1 and the plastic inner housing 2 are not connected.

When using, install plastics inner casing 2 to plastics outer casing 1 in for the terminal surface that bottom plate 21 was kept away from to inner connecting plate 22 flushes with the terminal surface that planking 11 was kept away from to outer connecting plate 12, then rotates plastics fixed plate 13 and stimulates second fixed block 24 simultaneously, makes to have certain space between first fixed block 23 and the second fixed block 24, with plastics grip block 15 and first fixed block 23 joint, be about to plastics grip block 15 card to between first fixed block 23 and the second fixed block 24, then release second fixed block 24. Finally, the plastic screw 16 is threaded through the outer connecting plate 12 and the inner connecting plate 22 and the outer plastic nut 161 and the inner plastic nut 162 are tightened.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a LED alphabet lamp which characterized in that: the plastic shell comprises a plastic outer shell (1) and a plastic inner shell (2), wherein a hollow cavity is formed between the plastic outer shell (1) and the plastic inner shell (2); the plastic inner shell (2) comprises a bottom plate (21) and an inner connecting plate (22) which are fixedly connected, the inner connecting plate (22) is arranged along the periphery of the bottom plate (21), and the inner connecting plate (22) is perpendicular to the bottom plate (21); the plastic outer shell (1) comprises an outer plate (11) and an outer connecting plate (12) which are fixedly connected, the outer connecting plate (12) is arranged along the periphery of the outer plate (11), and the outer connecting plate (12) is perpendicular to the outer plate (11); the inner side wall of the outer connecting plate (12) is abutted against the outer side wall of the inner connecting plate (22), and the end face, far away from the outer plate (11), of the outer connecting plate (12) is flush with the end face, far away from the bottom plate (21), of the inner connecting plate (22); the end face, far away from the outer plate (11), of the outer connecting plate (12) is rotatably connected with a plurality of plastic fixing plates (13), and each plastic fixing plate (13) is provided with a fixing piece for fixing the relative position of the inner connecting plate (22) and the outer connecting plate (12).

2. The LED alphabet lamp according to claim 1, wherein: the plastic fixing plate (13) is L-shaped, the plastic fixing plate (13) comprises a horizontal part (131) and a vertical part (132) which are perpendicular to each other, one end of the horizontal part (131) is rotatably connected with the end surface, far away from the outer plate (11), of the outer connecting plate (12), and the other end of the horizontal part (131) is fixedly connected with the vertical part (132); the mounting is plastics grip block (15), each the terminal surface that horizontal part (131) were kept away from in vertical portion (132) all with the plastics grip block (15) fixed connection that corresponds, each the terminal surface that plastics grip block (15) and vertical portion (132) are connected all corresponds the joint and has first fixed block (23), each first fixed block (23) all with the inside wall fixed connection of interior connecting plate (22).

3. The LED alphabet lamp according to claim 1, wherein: be provided with a plurality of plastics screw rods (16) on the lateral wall of outer connecting plate (12), plastics screw rod (16) run through outer connecting plate (12) and interior connecting plate (22), correspond with plastics screw rod (16) on the lateral wall of outer connecting plate (12) and be provided with outer plastic nut (161), correspond with plastics screw rod (16) on the inside wall of interior connecting plate (22) and be provided with interior plastic nut (162), each plastics screw rod (16) all with outer plastic nut (161) and interior plastic nut (162) screw-thread fit that correspond.

4. The LED alphabet lamp according to claim 2, wherein: each horizontal part (131), the vertical part (132) and the corresponding plastic clamping plate (15) are integrally molded.

5. The LED alphabet lamp according to claim 2, wherein: a second fixing block (24) is arranged on one side, close to the bottom plate (21), of each first fixing block (23), the second fixing blocks (24) are connected with the inner connecting plate (22) in a sliding mode, and a spring (25) is connected between each first fixing block (23) and the corresponding second fixing block (24); each first fixed block (23) is close to on the terminal surface of corresponding second fixed block (24) and corresponds with spring (25) and has seted up hole (26), each the one end of spring (25) and the diapire fixed connection of corresponding hole (26), each the other end of spring (25) and the terminal surface fixed connection that second fixed block (24) that corresponds are close to corresponding first fixed block (23), each spring (25) that correspond when first fixed block (23) are hugged closely with second fixed block (24) are in tensile state, each first fixed block (23) and second fixed block (24) that correspond all are used for pressing from both sides tight plastics grip block (15) that corresponds.

6. The LED alphabet lamp according to claim 5, wherein: each spring (25) between the first fixing block (23) and the second fixing block (24) is provided with two springs, and two holes (26) in the end face, close to the corresponding second fixing block (24), of each first fixing block (23) are correspondingly formed in the springs (25).

7. The LED alphabet lamp according to claim 6, wherein: a plurality of dovetail grooves (27) are formed in the inner side wall of the inner connecting plate (22) along the arrangement direction of the springs (25), the area of the bottom wall of each dovetail groove (27) is larger than the area of a groove opening of each dovetail groove (27), and each sliding block (241) which is correspondingly clamped and embedded with each dovetail groove (27) is fixedly connected to each second fixing block (24).

8. The LED alphabet lamp according to claim 1, wherein: and the plastic outer shell (1) is provided with water leakage holes (3).