Novel high-transmittance lampshade

By threading the first and second housings of the lampshade together to form a vacuum cavity, and combining the acrylic sheet and sealing ring design, the problem of poor light transmission of existing lampshades is solved, achieving high light transmission and easy maintenance.

CN223677621UActive Publication Date: 2025-12-16CHANGZHOU SD POLYMER PROFILES CO LTD
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Patent Information

Application Number
CN202520120748.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-18
Publication Date
2025-12-16
Estimated Expiration
2035-01-18

AI Technical Summary

Technical Problem

Existing lampshade structures are simple and have limited light transmission, failing to meet specific needs.

Method used

The first and second housings are threaded together to form a cavity. The gas inside the cavity is extracted through a tube and a duckbill one-way valve to make the cavity a vacuum. The cavity is then sealed with an acrylic plate and a sealing ring to improve light transmission.

Benefits of technology

It achieves high light transmittance in the lampshade, has a good sealing effect, is easy to disassemble and maintain, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a novel high-light-transmittance lampshade, and belongs to the technical field of lampshades, the novel high-light-transmittance lampshade comprises a bottom shell, a reflecting cover and a lampshade body, the lampshade body comprises a first shell and a second shell, the first shell is arranged at the bottom of the reflecting cover, and the bottom of the first shell is in threaded connection with the second shell. The first shell is in threaded connection with the second shell, so that the first circular ring and the second circular ring form the cavity, gas in the cavity is completely pumped out through the pipe, the cavity is in a vacuum state, and the light transmitting effect of the lampshade is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of lamp covers, in particular to a novel high-transmittance lamp cover. BACKGROUND

[0002] The LED lamp cover is a kind of LED accessory, which is used for better light gathering, more concentrated and softer light, and avoiding direct LED light glare. The main function of the milky white lamp cover is to make the light softer and more evenly spread to the space without glare, to protect the eyes, and to make the lamp more in line with its use function. The light transmittance must be within a certain range, and too much light energy should not be wasted in the cover. The light should also be scattered through the film layer to every space, so that the internal lamp beads cannot be seen, and the light is maximally dispersed.

[0003] With the pollution of the environment and the occurrence of extreme weather, high-transmittance lamp covers are particularly important in daily life. The existing lamp cover structure is simple, and the light transmittance effect is general, which cannot meet special needs.

[0004] According to the related technology in the above, the inventors believe that the following defects exist: the existing lamp cover structure is simple, and the light transmittance effect is general. CONTENT OF THE INVENTION

[0005] The application aims to provide a novel high-transmittance lamp cover to solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the application provides a novel high-transmittance lamp cover adopting the following technical scheme:

[0007] A novel high-transmittance lamp cover comprises a bottom shell, a reflector and a lamp cover. The lamp cover comprises a first shell and a second shell. The reflector is provided with the first shell at the bottom. The first shell is threadedly connected with the second shell at the bottom.

[0008] The first shell comprises a bottom plate, a first ring, an extension edge and a connecting block. The reflector is provided with the bottom plate at the bottom. The bottom plate is fixedly connected with the first ring at the bottom. The extension edge is fixedly arranged on the top outer side of the bottom plate. The connecting block is fixedly arranged on one side of the first ring. The second shell comprises a sealing plate and a second ring. The first shell is provided with the sealing plate at the bottom. The sealing plate is fixedly connected with the second ring at the top. The inner wall of the first ring is provided with an internal thread at the bottom end. The outer side of the second ring is provided with an external thread matched with the first ring.

[0009] The connecting block is internally provided with a pipe penetrating through the first ring. The pipe is internally provided with a duckbill check valve at the end close to the inner side of the first ring. The bottom plate and the sealing plate form a cavity through the first ring and the second ring.

[0010] By adopting the technical scheme, the first shell and the second shell are threadedly connected, the first annular ring and the second annular ring form a cavity, the gas in the cavity is completely extracted through the pipe, the cavity becomes a vacuum state, and the light transmission effect of the lampshade is improved.

[0011] Preferably, the extension edge is fixedly connected with the reflector through a screw, and the first shell and the second shell are both made of acrylic plates.

[0012] By adopting the technical scheme, the acrylic plate is convenient to disassemble, has good durability, can effectively prolong the service life, and has good light transmission.

[0013] Preferably, the inner side of the first annular ring is provided with an annular fixing block fixed with the bottom plate, and the bottom of the annular fixing block is fixed with a first sealing ring.

[0014] By adopting the technical scheme, the cavity formed by the first annular ring and the second annular ring is sealed, and external gas is prevented from entering.

[0015] Preferably, the first sealing ring and the top of the second annular ring have mutual pressure.

[0016] By adopting the technical scheme, the first sealing ring is extruded, and better sealing effect is achieved.

[0017] Preferably, the pipe penetrates through the annular fixing block and is fixedly connected with the annular fixing block.

[0018] By adopting the technical scheme, the gas in the cavity is conveniently extracted.

[0019] Preferably, the outer side of the first annular ring is provided with a baffle, and a second sealing ring is fixed between the baffle and the first annular ring.

[0020] By adopting the technical scheme, a second sealing is achieved, and external gas is prevented from entering.

[0021] Preferably, the bottom of the second sealing ring exceeds the bottom of the first annular ring.

[0022] By adopting the technical scheme, the second sealing ring is extruded against the second shell, and sealing effect is achieved.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By arranging the first shell and the second shell, the first shell and the second shell are threadedly connected, the first annular ring and the second annular ring form a cavity, the gas in the cavity is completely extracted through the pipe, the cavity becomes a vacuum state, and the light transmission effect of the lampshade is improved;

[0025] 2. By the setting of the first sealing ring and the second sealing ring, the cavity is well sealed, and external gas is prevented from entering the cavity. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 The structural schematic diagram for embodying the whole in the embodiment of the application.

[0027] Fig. 2 The exploded view for embodying the whole in the embodiment of the application.

[0028] Fig. 3 The structural schematic diagram for embodying the first shell in the embodiment of the application.

[0029] Mark 1, bottom shell; 2, reflector; 3, lampshade; 31, first shell; 311, bottom plate; 312, first ring; 313, extension edge; 314, connecting block; 32, second shell; 321, sealing plate; 322, second ring; 4, pipe; 5, duckbill check valve; 6, annular fixing block; 7, first sealing ring; 8, baffle; 9, second sealing ring. DETAILED DESCRIPTION

[0030] The following will be described in detail in combination with the accompanying Figs. 1-3 The application is further described in detail.

[0031] The embodiment of the application discloses a novel high-transmittance lampshade, which refers to Figs. 1-3 , comprising a bottom shell 1, a reflector 2 and a lampshade 3, the lampshade 3 comprises a first shell 31 and a second shell 32, the reflector 2 is provided with the first shell 31 at the bottom, the first shell 31 is threadedly connected with the second shell 32 at the bottom;

[0032] The first shell 31 comprises a bottom plate 311, a first ring 312, an extension edge 313 and a connecting block 314, the reflector 2 is provided with the bottom plate 311 at the bottom, the bottom plate 311 is fixedly connected with the first ring 312 at the bottom, the extension edge 313 is fixedly connected to the outer side of the top end of the bottom plate 311, the connecting block 314 is fixed to one side of the first ring 312, the second shell 32 comprises a sealing plate 321 and a second ring 322, the first shell 31 is correspondingly provided with the sealing plate 321 at the bottom, the sealing plate 321 is fixedly connected with the second ring 322 at the top, the inner wall of the first ring 312 is provided with an inner thread at the bottom end, the outer side of the second ring 322 is provided with an outer thread matched with the first ring 312, the extension edge 313 is fixedly connected with the reflector 2 through a screw, the first shell 31 and the second shell 32 are both made of acrylic plates, so that the shell and the reflector 2 can be separated, and then the LED lamp can be replaced and repaired;

[0033] The connecting block 314 is internally provided with a pipe 4 penetrating the first circular ring 312, and the pipe 4 is internally provided with a duckbill check valve 5 at one end close to the inner side of the first circular ring 312, and the bottom plate 311 and the sealing plate 321 form a cavity through the first circular ring 312 and the second circular ring 322, and the first shell 31 and the second shell 32 are tightly connected, the cavity is completely exhausted through the pipe 4 and the duckbill check valve 5, so that the cavity is in a vacuum state, which is beneficial to improve the light transmission effect, and the cavity can be vacuumized again when the light transmission effect is poor, thereby improving the utilization rate.

[0034] With reference to Fig. 3 The inner side of the first circular ring 312 is provided with an annular fixed block 6 fixed with the bottom plate 311, the bottom of the annular fixed block 6 is fixed with a first sealing ring 7, the first sealing ring 7 and the top of the second circular ring 322 have mutual pressure, and the pipe 4 penetrates the annular fixed block 6 and is fixedly connected with the annular fixed block 6 to seal the cavity and prevent external gas from entering.

[0035] With reference to Fig. 3 The first circular ring 312 is provided with a baffle 8 around the outer side, and the baffle 8 is fixed with a second sealing ring 9 between the first circular ring 312, and the bottom of the second sealing ring 9 exceeds the bottom of the first circular ring 312, further sealing the first shell 31 and the second shell 32, and further sealing is achieved, and a sealing layer is arranged at the bottom of the connecting block 314 to achieve the effect of closed-loop sealing.

[0036] The implementation principle of the novel high-transmittance lampshade is as follows:

[0037] In use, the first circular ring 312 and the second circular ring 322 are threadedly connected, and then the first shell 31 and the second shell 32 are connected, so that a cavity is formed between the first shell 31 and the second shell 32, the gas in the cavity is exhausted through the pipe 4 and the duckbill check valve 5 in the connecting block 314, the pipe 4 is sealed, so that the cavity is in a vacuum state, thereby increasing the light transmission effect and improving the light transmittance, the lampshade 3 and the reflector 2 are fixed by screws, which facilitates disassembly and later maintenance of the LED lamp, and improves the utilization rate.

[0038] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made on the structure, shape, principle and application direction of the present application should be covered within the protection scope of the present application.

Claims

1. A novel high-transmittance lampshade, comprising a bottom shell (1), a reflector (2) and a lampshade (3), characterized in that: The lampshade (3) comprises a first shell (31) and a second shell (32), the bottom of the reflector (2) is provided with the first shell (31), and the bottom of the first shell (31) is threadedly connected with the second shell (32); The first shell (31) comprises a bottom plate (311), a first circular ring (312), an extension edge (313) and a connecting block (314), the bottom of the reflector (2) is provided with the bottom plate (311), the bottom of the bottom plate (311) is fixedly connected with the first circular ring (312), the outer side of the top end of the bottom plate (311) is fixedly connected with the extension edge (313), one side of the first circular ring (312) is fixedly connected with the connecting block (314), the second shell (32) comprises a sealing plate (321) and a second circular ring (322), the bottom of the first shell (31) is correspondingly provided with the sealing plate (321), the top of the sealing plate (321) is fixedly connected with the second circular ring (322), and the inner wall of the bottom end of the first circular ring (312) is provided with an internal thread, and the outer side of the second circular ring (322) is provided with an external thread matched with the first circular ring (312). The connecting block (314) is internally provided with a pipe (4) penetrating through the first circular ring (312), one end of the pipe (4) close to the inner side of the first circular ring (312) is internally provided with a duckbill check valve (5), and the bottom plate (311) and the sealing plate (321) form a cavity through the first circular ring (312) and the second circular ring (322).

2. The novel high-transparency lampshade according to claim 1, characterized in that: The extension edge (313) is fixedly connected with the reflector (2) through a screw, and the first shell (31) and the second shell (32) are both made of acrylic plates.

3. The novel high-transparency lampshade according to claim 1, characterized in that: The inner side of the first circular ring (312) is provided with an annular fixing block (6) fixed with the bottom plate (311), and the bottom of the annular fixing block (6) is fixedly connected with a first sealing ring (7).

4. The novel high-transparency lampshade according to claim 3, characterized in that: The first sealing ring (7) and the top of the second circular ring (322) are in mutual pressure.

5. The novel high-transparency lampshade according to claim 1, characterized in that: The pipe (4) penetrates through the annular fixing block (6) and is fixedly connected with the annular fixing block (6).

6. The novel high-transparency lampshade according to claim 1, characterized in that: The outer side of the first circular ring (312) is surrounded by a blocking strip (8), and a second sealing ring (9) is fixed between the blocking strip (8) and the first circular ring (312).

7. The novel high-transparency lampshade according to claim 6, characterized in that: The bottom of the second sealing ring (9) is beyond the bottom of the first circular ring (312).