Lamp leakage value control structure

Abstract

The utility model discloses a lamp leakage value control structure which comprises a sealing ring (1) arranged on the surface of a lampshade (6), a through hole (2) located within the range of the sealing ring (1) is formed in the lampshade (6), a fixing structure (3) is arranged on the sealing ring (1), and a ventilation structure (4) for adjusting the gas leakage amount is arranged in the fixing structure (3). The fixing ring (31) is fixed to the outer side of the through hole (2) in the lampshade (6), then the fixing ring (31) and the pressing ring (32) are used for fixing the ventilation structure (4), the leakage value of gas is controlled through the ventilation structure (4), the purpose of controlling different leakage values can be achieved by exchanging the ventilation structures (4) of different models, and therefore the manufactured airtight unqualified sample piece is good in sealing performance and good in sealing performance. The leakage value can be controlled within a stable range, the leakage amount of the lampshade (6) is controlled, and the requirements of samples needing to be compared are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of lampshades, and in particular relates to a lamp leakage value control structure. Background Art

[0002] After the lampshade is produced, since the lampshade has the requirement of sealing, it is necessary to test the sealing of the lampshade and eliminate the unqualified ones.

[0003] In a public specification with patent number 202223252426.5 and publication date June 13, 2023, an LED light board package airtightness detection device is disclosed, including an airtightness detector body, a closed chassis is installed on the top of the airtightness detector body through a bracket, an airtightness detection cabin is opened at the top center of the airtightness detector body, and a first columnar groove is opened on the inner bottom surface of the airtightness detection cabin near the edge of the front surface; the height difference between the first elastic telescopic rod and the second elastic telescopic rod makes a height difference appear between the front and back of the hollow bottom plate after they are stretched, so that the packaged light board placed on the top of the hollow bottom plate is tilted and slides to the outside of the placement mechanism under the action of gravity, so as to achieve the effect of picking up the item, thereby omitting the workflow of grabbing the packaged light board, reducing the duration of the replacement process of the packaged light board, and thus improving the overall airtightness detection efficiency of the device for the packaged light box.

[0004] In the above-mentioned prior art, an air tightness detector is used to detect the air tightness of the lampshade. Since different lampshades have different air tightness requirements, a standard part is needed for comparison when measuring the air pressure of the lampshade. However, the traditional open-hole sampling method has large fluctuations in air pressure values, instability, and insufficient durability. Utility Model Content

[0005] The utility model aims to provide a lamp leakage value control structure with stable leakage value.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a lamp leakage value control structure, including a lampshade, a through hole is provided on the lampshade, a sealing ring is provided on the outside of the through hole on the lampshade, a fixing structure is provided on the sealing ring, the fixing structure includes a fixing ring arranged on the surface of the lampshade, a pressure ring matching the fixing ring is provided on the fixing ring, and a breathable structure for adjusting the gas leakage amount is provided between the pressure ring and the fixing ring.

[0007] The breathable structure is an ePTFE breathable membrane.

[0008] A glue layer is arranged on one side of the sealing ring close to the lampshade.

[0009] The diameter of the through hole is between 0.5 mm and 1.5 mm.

[0010] The sealing ring is a rubber ring.

[0011] A sliding block is arranged on the inner side of the pressing ring, and a sliding groove matched with the sliding block is arranged on the outer side of the fixing ring.

[0012] The outer side of the fixing ring is provided with a fixing groove matched with the sliding block.

[0013] The length of the fixed groove is shorter than that of the sliding groove, and a connecting groove is provided between the bottom end of the sliding groove and the bottom end of the fixed groove.

[0014] A sealing ring is arranged on the inner side of the pressure ring, and a ring plate connected to the sealing ring is hinged inside the sealing ring.

[0015] The technical effect of the utility model is as follows: by fixing the fixing ring on the outside of the through hole on the lampshade, and then using the fixing ring and the pressure ring to fix the breathable structure, the gas leakage value can be controlled through the breathable structure, and the purpose of controlling different leakage values ​​can be achieved by replacing the ePTFE breathable membranes with different permeabilities. The leakage value of the airtight unqualified sample produced in this way can be controlled within a stable range to meet the sample requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] This specification includes the following drawings, which show the following contents:

[0017] Figure 1 This is a schematic diagram of the structure of a lamp leakage value control structure of the utility model;

[0018] Figure 2 for Figure 1 A schematic cross-sectional view of a pressure ring of a lamp leakage value control structure.

[0019] Markings in the figure are: 1. Sealing ring; 2. Through hole; 3. Fixed structure; 31. Fixed ring; 32. Pressure ring; 33. Slider; 34. Slide groove; 35. Fixed groove; 36. Connecting groove; 37. Sealing ring; 38. Ring plate; 4. Breathable structure; 41. ePTFE breathable membrane; 5. Adhesive layer; 6. Lampshade. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the specific implementation methods of the utility model by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution of the utility model and facilitating its implementation.

[0021] See also Figure 1-2A lamp leakage value control structure, characterized in that: it includes a lampshade 6, a through hole 2 is provided on the lampshade 6, a sealing ring 1 is provided on the outside of the through hole 2 on the lampshade 6, a fixing structure 3 is provided on the sealing ring 1, the fixing structure 3 includes a fixing ring 31 arranged on the surface of the lampshade 6, a pressure ring 32 matched with the fixing ring 31 is provided on the fixing ring 31, and a breathable structure 4 for adjusting the gas leakage amount is provided between the pressure ring 32 and the fixing ring 31.

[0022] The breathable structure 4 is fixed on the surface of the lampshade 6 by the fixed structure 3, and the breathable structure 4 is used to achieve the purpose of controlling the gas leakage value in the lampshade 6. At the same time, the breathable structure 4 in the fixed structure 3 is replaceable, so as to achieve the effect of controlling different leakage values. The airtight unqualified samples produced in this way can achieve the purpose of controllable and stable leakage value, and meet the sample requirements. The ePTFE breathable membrane 41 is clamped by the fixing ring 31 and the pressure ring 32, so as to fix the ePTFE breathable membrane 41.

[0023] The breathable structure 4 is an ePTFE breathable membrane 41 ; the ePTFE breathable membrane 41 has excellent performance and long life and is suitable for long-term use.

[0024] A glue layer 5 is provided on one side of the sealing ring 1 close to the lampshade 6; the sealing ring 1 is adhered to the surface of the lampshade 6 through the glue layer 5 and can achieve a sealing effect, and the surface of the lampshade 6 is cleaned with anhydrous ethanol to reduce dust affecting the sealing.

[0025] The diameter of the through hole 2 is between 0.5 mm and 1.5 mm, which can avoid the situation where the ePTFE breathable membrane 41 is ruptured due to excessive air pressure caused by the through hole 2 being too large, and can also avoid the situation where the leakage amount does not meet the standard due to the through hole 2 being too small.

[0026] The sealing ring 1 is a rubber ring; rubber has excellent extensibility and can adapt to surfaces of different shapes.

[0027] A slider 33 is provided on the inner side of the pressing ring 32 , and a slide groove 34 matching with the slider 33 is provided on the outer side of the fixing ring 31 ; the slider 33 and the slide groove 34 can guide the movement of the pressing ring 32 .

[0028] A fixing groove 35 matching with the slider 33 is provided on the outer side of the fixing ring 31 ; the slider 33 can be fixed by the fixing groove 35 , so as to achieve the effect of fixing the pressure ring 32 on the fixing ring 31 .

[0029] The length of the fixed groove 35 is shorter than that of the sliding groove 34 , and a connecting groove 36 is provided between the bottom ends of the sliding groove 34 and the fixed groove 35 ; the slider 33 can move from the sliding groove 34 to the fixed groove 35 along the connecting groove 36 .

[0030] A sealing ring 37 is provided on the inner side of the pressure ring 32, and a ring plate 38 connected to the sealing ring 37 is hinged inside the sealing ring 37; the ePTFE breathable membrane 41 can be better fixed on the fixed ring 31 through the sealing ring 37, and the ring plate 38 is installed in the fixed sealing ring 37 through a bearing, so that when the pressure ring 32 is rotated, the sealing ring 37 can be prevented from rubbing against the ePTFE breathable membrane 41 and causing damage to the ePTFE breathable membrane 41.

[0031] The technical effect of the utility model is as follows: by fixing the fixing ring 31 on the outer side of the through hole 2 on the lampshade 6, and then using the fixing ring 31 and the pressure ring 32 to fix the breathable structure 4, the leakage value of the gas can be controlled through the breathable structure 4, and by replacing different types of breathable structures 4, the purpose of controlling different leakage values ​​can be achieved. The leakage value of the airtight unqualified sample produced in this way can be controlled within a stable range to meet the sample requirements.

[0032] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A lamp leakage value control structure, characterized in that: The invention comprises a lampshade (6), wherein a through hole (2) is provided on the lampshade (6), a sealing ring (1) is provided on the lampshade (6) outside the through hole (2), a fixing structure (3) is provided on the sealing ring (1), the fixing structure (3) comprises a fixing ring (31) arranged on the surface of the lampshade (6), a pressing ring (32) matched with the fixing ring (31) is provided on the fixing ring (31), and a ventilating structure (4) for adjusting the gas leakage amount is provided between the pressing ring (32) and the fixing ring (31).

2. A lamp leakage value control structure according to claim 1, characterized in that: The breathable structure (4) is an ePTFE breathable membrane (41).

3. A lamp leakage value control structure according to claim 1, characterized in that: A glue layer (5) is provided on one side of the sealing ring (1) close to the lampshade (6).

4. The lamp leakage value control structure according to claim 1, characterized in that: The diameter of the through hole (2) is between 0.5 mm and 1.5 mm.

5. The lamp leakage value control structure according to claim 1, characterized in that: The sealing ring (1) is a rubber ring.

6. A lamp leakage value control structure according to claim 1, characterized in that: A sliding block (33) is provided on the inner side of the pressing ring (32), and a sliding groove (34) matching with the sliding block (33) is provided on the outer side of the fixing ring (31).

7. A lamp leakage value control structure according to claim 6, characterized in that: The outer side of the fixing ring (31) is provided with a fixing groove (35) matching with the sliding block (33).

8. A lamp leakage value control structure according to claim 7, characterized in that: The length of the fixed groove (35) is shorter than the length of the sliding groove (34), and a connecting groove (36) is provided between the bottom end of the sliding groove (34) and the bottom end of the fixed groove (35).

9. The lamp leakage value control structure according to claim 1, characterized in that: A sealing ring (37) is provided on the inner side of the pressure ring (32), and a ring plate (38) connected to the sealing ring (37) is hinged inside the sealing ring (37).

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