Bendable wall washer with improved circuit
By employing a design that alternates movable link units and flexible circuit boards in LED wall washer lights, the problems of high assembly difficulty and low manufacturing efficiency of traditional LED wall washer lights are solved, achieving easy assembly and improved durability, making them suitable for mass production.
Patent Information
- Application Number
- CN202423044388.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Traditional LED wall washer lights have flexible light strips that are difficult to bend laterally, resulting in high assembly difficulty, low manufacturing efficiency, and difficulty in meeting the needs of mass production.
The system employs a link unit with movable connections at both ends, with flexible circuit boards arranged in an alternating pattern. The length of the flexible conductive section is greater than the distance of the accommodating cavity. The design incorporates bending space for the flexible conductive section to avoid excessive deformation. Flexible connection is achieved through the movable embedding of arc notches and arc heads.
It achieves easy assembly, improves the durability and service life of the flexible conductive segment, is suitable for mass production, and reduces the risk of damage.
Smart Images

Figure CN223448333U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to LED lamp strip installation technical field especially is a line improvement formula bendable wall washing lamp. BACKGROUND
[0002] Because LED has rich color, small size, environmental protection and energy saving, long life and so on, therefore, its manufacture LED lamp strip is widely used in the outline of the brightening engineering of the landmark building, bridge, park square and so on, home decoration, show window, signboard, advertising board and so on place application range is more extensive. The outline of the landmark building, the towering mansion, the simple and elegant pavilion, the winding bridge and the public space such as park square adds infinite splendor, also penetrates into the subtle place of home life, such as decorative lighting, show window display, identification signboard and even the creative design of advertising board, greatly broadens its application range and possibility.
[0003] However, in the process of pursuing design flexibility and creative expression, although the traditional LED lamp strip has adopted flexible circuit board to realize a certain degree of bending ability, although the wall washing lamp mounting carrier that can be laterally bent appears on the market, but because the flexible lamp strip cannot be bent laterally, the lamp beads in the bendable wall washing lamp carrier can only be realized by welding another flexible conductor, which has great assembly difficulty, low manufacturing efficiency and is difficult to meet the demand of batch production. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem to provide a line improvement formula bendable wall washing lamp that can realize the low-difficulty assembly of the batch on the basis of the bendable wall washing lamp carrier.
[0005] In order to solve the above technical problem, the utility model adopts the following technical scheme: a line improvement formula bendable wall washing lamp, including the first end and the tail of the movable connection of multiple link units, the middle part of the link unit is provided with the accommodation cavity for accommodating the light emitting element, the first end of the link unit is provided with the circular arc gap, the second end of the link unit is provided with the circular arc head corresponding with the circular arc gap, when two adjacent link units are connected, the circular arc head is movably embedded in the circular arc gap, further including flexible circuit board, the flexible circuit board includes multiple illumination work areas and flexible conductive sections, the illumination work area and the flexible conductive section are staggered in sequence, the illumination work area is installed in the accommodation cavity, the flexible conductive section is used for electrically connecting the illumination work area in two adjacent link units, the width of the flexible conductive section is less than the width of the illumination work area, and the length of the flexible conductive section is greater than the distance of two adjacent accommodation cavities.
[0006] Preferably, the upper part of the first end and the second end of the link unit is provided with the avoidance gap for the flexible conductive section to pass through, and the width of the avoidance gap is greater than the width of the flexible conductive section.
[0007] Preferably, the minimum width of the two approaching avoiding notches of the two adjacent linking units when the two linking units are relatively curved is greater than the width of the flexible conductive segment.
[0008] Preferably, a deformation cavity is arranged between the two adjacent avoiding notches, and the middle part of the flexible conductive segment is bent downward to form a deformation segment, which is located in the deformation cavity.
[0009] Preferably, the deformation segment is a U-shaped or C-shaped deformation segment formed by bending the middle part of the flexible conductive segment downward.
[0010] Preferably, a sealing cover is arranged on the upper part of the accommodating cavity, and the sealing cover is provided with a light-transmitting area corresponding to the position of the light-emitting element.
[0011] Preferably, the two ends of the sealing cover are respectively provided with a notch corresponding to the arc notch and a round head corresponding to the arc head.
[0012] Preferably, the bottom end of the arc notch is provided with an outwardly extending connecting rod, and the bottom end outer wall of the arc head of the adjacent linking unit is provided with a fan-shaped avoiding position for free swinging of the connecting rod, and the fan-shaped avoiding position is provided with a pivot shaft movably connected with the outer end of the connecting rod.
[0013] The line improved flexible wash wall lamp has the advantages that the flexible circuit board is a complete line component, the lighting work area on the flexible circuit board is sequentially aligned and arranged in the accommodating cavities of the multiple linking units after the multiple linking units are assembled in a chain shape to the designed length, and the flexible conductive segment is arranged at the middle part of the two adjacent linking units, so that the flexible conductive segment has a certain bending space, the flexible conductive segment is effectively prevented from being torn when the two adjacent linking units are relatively rotated and curved, the deformation and bending amount of the flexible conductive segment when the wash wall lamp is curved is greatly reduced, the flexible conductive segment is prevented from being excessively bent and damaged, the durability is greatly improved, and the service life is more durable. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the line improved flexible wash wall lamp.
[0015] Figure 2 It is a three-dimensional structure schematic view of the line improved flexible wash wall lamp when the linking units are connected at the head and tail.
[0016] Figure 3 It is another three-dimensional structure schematic view of the line improved flexible wash wall lamp when the linking units are connected at the head and tail.
[0017] Figure 4The utility model discloses a main view structure schematic diagram of flexible circuit board in line improved type bendable wall washing lamp.
[0018] Figure 5 The utility model discloses a left view structure schematic diagram of flexible circuit board in line improved type bendable wall washing lamp. Specific implementation
[0019] In order to facilitate the understanding of those skilled in the art, the utility model is further explained below in combination with examples, and the content mentioned in the implementation is not the limitation of the utility model.
[0020] As Figures 1 to 5 The utility model discloses a line improved type bendable wall washing lamp, including the first and last active connection of multiple link units 1, and the middle part of link unit 1 is provided with the accommodation cavity 11 for accommodating light emitting element 2, and the first end of link unit 1 is provided with the circular arc gap 12, and the second end of link unit 1 is provided with the circular arc head 13 corresponding with circular arc gap 12, when two adjacent link units 1 are connected, the circular arc head 13 is movably embedded in the circular arc gap 12, still include flexible circuit board 3, and the flexible circuit board 3 includes multiple illumination work area 31 and flexible conductive section 32, and illumination work area 31 and flexible conductive section 32 are staggered in turn, and illumination work area 31 is installed in the accommodation cavity 11, and flexible conductive section 32 is used for electrically connecting the illumination work area 31 in two adjacent link units 1, and the width of flexible conductive section 32 is less than the width of illumination work area 31, and the length of flexible conductive section 32 is greater than the distance of two adjacent accommodation cavities 11.
[0021] In actual application, flexible circuit board 3 is a complete line component, after the chain assembly of multiple link units 1 is completed to the design length, illumination work area 31 on flexible circuit board 3 is sequentially aligned and installed in the accommodation cavity 11 of multiple link units 1, and flexible conductive section 32 is arranged at the middle position of spanning two adjacent link units 1, because the length of flexible conductive section 32 is greater than the distance of two adjacent accommodation cavities 11, flexible conductive section 32 has certain bending space, when two adjacent link units 1 relatively rotate and bend, effectively avoid that flexible conductive section 32 is pulled off, also greatly reduce the deformation bending amount of flexible conductive section 32 when wall washing lamp bends, avoid that it is damaged by excessive bending, and the durability is greatly improved, and the service life is more durable.
[0022] In the embodiment, the upper part of the first end and the second end of the link unit 1 is provided with an avoidance gap 14 for the flexible conductive section 32 to pass through, the width of the avoidance gap 14 is greater than the width of the flexible conductive section 32, facilitating the embedded installation of the flexible conductive section 32, and the assembly is more convenient.
[0023] In the embodiment, when the two adjacent link units 1 are relatively bent, the minimum width of the two adjacent link units 1 when the two adjacent avoiding notches 14 are misaligned is greater than the width of the flexible conductive section 32, so that the adjacent two link units 1 are prevented from being damaged by the flexible conductive section 32 when the two link units 1 are relatively rotated in a scissors structure, and the structural reliability is higher.
[0024] In the embodiment, the deformation cavity 15 is arranged between the two adjacent avoiding notches 14, the middle part of the flexible conductive section 32 is bent downward to form the deformation section 33, and the deformation section 33 is located in the deformation cavity 15. Specifically, the deformation section 33 is a U-shaped or C-shaped flexible conductive section 32. The design of the deformation cavity 15 effectively solves the placement position of the flexible conductive section 32 in a bent shape, the structural design is reasonable and reliable, and the practicability is high.
[0025] In the embodiment, the upper part of the accommodating cavity 11 is assembled with the sealing cover 16, the sealing cover 16 is provided with the light transmission area 17 at a position corresponding to the light emitting element 2, the light transmission area 17 is used for protecting the illumination working area 31 and the light emitting element 2, preventing foreign matters such as dust and rainwater from entering the accommodating cavity 11 to cause circuit damage, and the appearance is also obviously enhanced.
[0026] In the embodiment, the bottom end of the circular-arc notch 12 is provided with the connecting rod 18 extending outward, the bottom end outer wall of the circular-arc head 13 of the adjacent link unit 1 is provided with the fan-shaped avoiding position 19 for free swinging of the connecting rod 18, the fan-shaped avoiding position 19 is assembled with the pivot shaft 10 movably connected with the outer end of the connecting rod 18, the movable connection of the two adjacent link units 1 is realized, the design of the fan-shaped avoiding position 19 realizes the limitation of the bending angle under the premise of meeting the movable connection, the link unit 1 is prevented from being damaged due to excessive bending, and the reliability is higher.
[0027] In the embodiment, the sealing cover 16 is provided with the notch corresponding to the circular-arc notch 12 and the round head corresponding to the circular-arc head 13 at both ends. When the two adjacent link units 1 are bent, the round head of the current sealing cover 16 is coaxially rotated in the notch of the adjacent sealing cover 16, the small gap between the two sealing covers 16 will not be enlarged due to the rotation of the link unit 1, the light shielding of the isolation house is not needed, and the light leakage effect is obviously improved.
[0028] In the description of the utility model, it is necessary to explain that, for the direction words, if 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" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.
[0029] In addition, if the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first" and "second" features defined can explicitly or implicitly include one or more features, and in the description of the utility model, the meaning of "several" is two or more than two, unless otherwise explicitly specified and limited.
[0030] In the utility model, unless otherwise explicitly specified and limited, if the terms "assembly", "connection", "connection" are understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium; it can be connected internally between two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0031] The above-described embodiments only express several embodiments of the utility model, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, several modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. A circuit-modified bendable wall-washing lamp, comprising a plurality of link units (1) movably connected at their ends, wherein a receiving cavity (11) for receiving a light-emitting element (2) is provided in the middle of the link unit (1), a circular arc notch (12) is provided at the first end of the link unit (1), and an arc head (13) corresponding to the circular arc notch (12) is provided at the second end of the link unit (1), and when two adjacent link units (1) are connected, the arc head (13) is movably embedded in the circular arc notch (12), characterized in that: The flexible circuit board (3) further comprises a plurality of lighting work areas (31) and flexible conductive segments (32), wherein the lighting work areas (31) and the flexible conductive segments (32) are arranged alternately in sequence, the lighting work areas (31) are installed in the accommodating cavity (11), and the flexible conductive segments (32) are used to electrically connect the lighting work areas (31) in two adjacent link units (1), the width of the flexible conductive segments (32) is smaller than the width of the lighting work areas (31), and the length of the flexible conductive segments (32) is greater than the distance between the two adjacent accommodating cavities (11).
2. The circuit-modified flexible wall washer lamp according to claim 1, characterized in that: The upper parts of the first end and the second end of the link unit (1) are both provided with an avoidance notch (14) for the flexible conductive segment (32) to pass through, and the width of the avoidance notch (14) is greater than the width of the flexible conductive segment (32).
3. The circuit-modified flexible wall washer lamp according to claim 2, characterized in that: When the two adjacent link units (1) are bent relative to each other, the minimum width of the two adjacent avoidance gaps (14) on the two link units (1) when misaligned is greater than the width of the flexible conductive segment (32).
4. The circuit-modified flexible wall washer lamp according to claim 2, characterized in that: A deformation cavity (15) is provided between the two adjacent avoidance gaps (14), and the middle portion of the flexible conductive segment (32) is bent downward to form a deformation segment (33), which is located within the deformation cavity (15).
5. The circuit-modified flexible wall washer lamp according to claim 4, characterized in that: The deformed section (33) is the middle portion of the flexible conductive section (32) bent downward into a U shape or a C shape.
6. The circuit-modified flexible wall washer lamp according to claim 1, characterized in that: A sealing cover (16) is assembled on the upper portion of the accommodating cavity (11), and a light-transmitting area (17) is provided at a position of the sealing cover (16) corresponding to the light-emitting element (2).
7. The circuit-modified flexible wall washer lamp according to claim 6, characterized in that: The sealing cover (16) is provided with a notch corresponding to the arc notch (12) and a round head corresponding to the arc head (13) at both ends, respectively.
8. The circuit-modified flexible wall washer lamp according to claim 1, characterized in that: The bottom end of the circular arc notch (12) is provided with a connecting rod (18) extending outward, and the outer wall of the bottom end of the circular arc head (13) of the adjacent link unit (1) is provided with a fan-shaped avoidance position (19) for the connecting rod (18) to swing freely, and the fan-shaped avoidance position (19) is equipped with a pivot shaft (10) movably pivoted to the outer end of the connecting rod (18).