LED lamp air tightness detection device

Abstract

The utility model relates to the technical field of detection devices, and discloses an LED lamp air tightness detection device which comprises an air tightness detection box body, a pressing mechanism is arranged in the air tightness detection box body, a drainage mechanism is arranged on the left side of the air tightness detection box body, and supporting legs are fixedly connected to the bottom of the air tightness detection box body. The interior of the air tightness detection box body is fixedly connected with an observation port, the pressing mechanism comprises an overturning assembly and a pressing assembly, and the overturning assembly is arranged in the air tightness detection box body. According to the air tightness detection device for the LED lamp, in the use process, the first threaded rod drives the first connecting frame to be parallel to the air tightness detection box body, then the threaded cylinder rotates and is screwed out of the second threaded rod, a pressing plate presses the lamp into water, detection is carried out, the size of the pressing plate is large, the pressing plate can cover the inner cavity of the whole air tightness detection box body, and the detection efficiency is improved. Therefore, the lamp can be prevented from floating and the detection efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to an air tightness detection device for LED lamps. Background Technique

[0002] An LED lamp is a lighting product with a light-emitting diode (LED) as the light source. The LED light source has the advantages of small volume, long service life, high efficiency, etc. The air tightness detection of LED lamps is one of the conventional test indexes of the performance of LED lamps. The existing method for detecting the air tightness of LED lamps is the soaking method to detect the air tightness of the lamps.

[0003] According to an air tightness detection device for LED lamps (authorization announcement number: CN 214621597U) disclosed on the patent network, it is described that "the utility model discloses an air tightness detection device for LED lamps, which relates to the field of lamp detection, and includes a housing. The housing is a rectangular structure with an open top. A support platform is arranged above the housing. The support platform includes a flat plate. A pressing device is arranged on the lower surface of the flat plate. The pressing device includes a lifting plate slidably connected to the inner wall of the housing. A rotating rod is rotatably connected to one side wall of the housing below the lifting plate, and the other end of the rotating rod is rotatably connected to a counterweight plate. This air tightness detection device for LED lamps realizes that the LED lamp can be completely immersed in water and the pressure difference between the LED lamp and water can be conveniently changed."

[0004] Regarding the above description, the applicant believes that the following problems exist:

[0005] During the use of this utility model, since the device places the lamp through a buffer block and a counterweight block, and the lamp is under the water surface by the pressing of the counterweight block, but the size of the counterweight block is fixed. When the size of the lamp is small, there is no effective limit on the lamp between the buffer block and the counterweight block, which will cause the smaller-sized lamp to float away from the counterweight block due to buoyancy, resulting in the lamp floating and affecting the detection efficiency. Therefore, it is necessary to improve an air tightness detection device for LED lamps to solve the above problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide an air tightness detection device for LED lamps to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: an air tightness detection device for LED lamps, including an air tightness detection box body. A pressing mechanism is arranged inside the air tightness detection box body. A drainage mechanism is arranged on the left side of the air tightness detection box body. Support legs are fixedly connected to the bottom of the air tightness detection box body. An observation port is fixedly connected inside the air tightness detection box body.

[0008] The pressing mechanism includes a flipping component and a pressing component. The flipping component is arranged inside the airtightness detection box body, and the pressing component is arranged inside the flipping component.

[0009] Preferably, the flipping component includes a first handle. The first handle is rotatably connected inside the airtightness detection box body. A first threaded rod is fixedly connected to the bottom of the first handle. The first threaded rod is rotatably connected inside the airtightness detection box body. A slide plate is threadedly connected to the outside of the first threaded rod. The slide plate is slidably connected inside the airtightness detection box body. A slider is slidably connected inside the airtightness detection box body. A rotating shaft is rotatably connected inside the slider. A first connecting frame is fixedly connected to the outside of the rotating shaft. The first connecting frame is rotatably connected inside the slide plate. A second connecting frame is fixedly connected inside the first connecting frame. By rotating the first threaded rod, the first connecting frame can be driven to flip, and the first connecting frame can be retracted and opened, which is convenient for placing and taking the lamp.

[0010] Preferably, the airtightness detection box body is respectively provided with sliding grooves at the corresponding positions of the slider and the slide plate, and the slider and the slide plate respectively slide inside the corresponding sliding grooves. The slider and the slide plate are limited and guided by the sliding grooves, so that the slide plate can be driven to move by the first threaded rod.

[0011] Preferably, the pressing component includes a limiting cylinder. The limiting cylinder is fixedly connected to the bottom of the first connecting frame. A rotating ring is rotatably connected inside the second connecting frame. A second handle is fixedly connected to the top of the rotating ring. A threaded cylinder is fixedly connected to the bottom of the rotating ring. A second threaded rod is threadedly connected inside the threaded cylinder. A pressing plate is fixedly connected to the bottom of the second threaded rod. A sliding rod is fixedly connected to the top of the pressing plate. The sliding rod is slidably connected inside the limiting cylinder. By rotating the threaded cylinder to drive the second threaded rod to extend, the position of the pressing plate can be adjusted according to the water level, so that the lamp can be fully immersed in water for detection.

[0012] Preferably, the limiting cylinder is provided with a limiting hole at the corresponding position of the sliding rod, and the sliding rod slides inside the limiting hole. The sliding rod is limited by the limiting hole to position the pressing plate and prevent the pressing plate from shifting.

[0013] Preferably, the drainage mechanism includes a drainage port. The drainage port is fixedly connected to the left side of the airtightness detection box body. A sealing ring is fixedly connected inside the drainage port. A positioning plate is fixedly connected inside the drainage port. A push rod is slidably connected inside the positioning plate. A sealing disc is fixedly connected to the right side of the push rod. A spring is fixedly connected between the sealing disc and the positioning plate. By separating the sealing disc from the sealing ring, the water inside the airtightness detection box body can be drained, which is convenient for replacing the detection water inside.

[0014] Preferably, the sealing ring is provided with an inclined opening at the corresponding position of the sealing disc, and the sealing disc is in contact with the inclined opening. By contacting the sealing ring with the sealing disc, the drain port is sealed to prevent water leakage.

[0015] Compared with the prior art, the present utility model provides an airtightness detection device for LED lamps, which has the following beneficial effects:

[0016] 1. During the use of this airtightness detection device for LED lamps, the first threaded rod drives the first connecting frame to be parallel to the airtightness detection box body. Then, the threaded cylinder rotates to screw out the second threaded rod, and the pressing plate presses the lamp into the water for detection. The pressing plate has a large size and can cover the inner cavity of the entire airtightness detection box body, which can prevent the lamp from floating and effectively improve the detection efficiency.

[0017] 2. During the use of this airtightness detection device for LED lamps, the push rod is used to push the sealing disc away from the sealing ring, and the water inside the airtightness detection box body can be discharged from the inside of the drain port through the gap between the sealing disc and the sealing ring. When the push rod is released, the spring pulls the sealing disc back to its original position to seal the drain port, which is convenient for replacing the water inside the airtightness detection box body and ensures the accuracy of the detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts:

[0019] Figure 1 It is a schematic diagram of the external structure of the present utility model;

[0020] Figure 2 It is a schematic diagram of the pressing mechanism structure of the present utility model;

[0021] Figure 3 It is a schematic diagram of the flipping assembly structure of the present utility model;

[0022] Figure 4 It is a schematic diagram of the pressing component structure of the present utility model;

[0023] Figure 5 It is a schematic diagram of the drainage mechanism structure of the present utility model.

[0024] In the figure: 1. Air tightness detection box body; 2. Pressing mechanism; 21. Flipping assembly; 211. First handle; 212. First threaded rod; 213. Slide plate; 214. Slide block; 215. Rotating shaft; 216. First connecting frame; 217. Second connecting frame; 22. Pressing assembly; 221. Limiting cylinder; 222. Rotating ring; 223. Second handle; 224. Threaded cylinder; 225. Second threaded rod; 226. Pressing plate; 227. Slide rod; 3. Drainage mechanism; 31. Drainage port; 32. Sealing ring; 33. Positioning plate; 34. Push rod; 35. Sealing disc; 36. Spring; 4. Support leg; 5. Observation port. Detailed implementation mode

[0025] Please refer to Figures 1-5 , the present utility model provides a technical solution: an air tightness detection device for an LED lamp, including an air tightness detection box body 1, a pressing mechanism 2 is arranged inside the air tightness detection box body 1, a drainage mechanism 3 is arranged on the left side of the air tightness detection box body 1, support legs 4 are fixedly connected to the bottom of the air tightness detection box body 1, and an observation port 5 is fixedly connected inside the air tightness detection box body 1.

[0026] In this embodiment, the pressing mechanism 2 includes a flipping component 21 and a pressing component 22. The flipping component 21 is arranged inside the airtightness detection box body 1, and the pressing component 22 is arranged inside the flipping component 21. The flipping component 21 includes a first handle 211 which is rotatably connected inside the airtightness detection box body 1. A first threaded rod 212 is fixedly connected to the bottom of the first handle 211. The first threaded rod 212 is rotatably connected inside the airtightness detection box body 1. A slide plate 213 is threadedly connected to the outside of the first threaded rod 212. The slide plate 213 is slidably connected inside the airtightness detection box body 1. A slider 214 is slidably connected inside the airtightness detection box body 1. A rotating shaft 215 is rotatably connected inside the slider 214. A first connecting frame 216 is fixedly connected to the outside of the rotating shaft 215. The first connecting frame 216 is rotatably connected inside the slide plate 213. A second connecting frame 217 is fixedly connected inside the first connecting frame 216. By rotating the first threaded rod 212, the first connecting frame 216 can be driven to flip, and the first connecting frame 216 can be retracted and opened, which is convenient for placing and taking the lamp. The airtightness detection box body 1 is respectively provided with sliding grooves at the corresponding positions of the slider 214 and the slide plate 213, and the slider 214 and the slide plate 213 respectively slide inside the corresponding sliding grooves. The slider 214 and the slide plate 213 are limited and guided by the sliding grooves, so that the slide plate 213 can be driven to move by the first threaded rod 212. The pressing component 22 includes a limiting cylinder 221 which is fixedly connected to the bottom of the first connecting frame 216. A rotating ring 222 is rotatably connected inside the second connecting frame 217. A second handle 223 is fixedly connected to the top of the rotating ring 222. A threaded cylinder 224 is fixedly connected to the bottom of the rotating ring 222. A second threaded rod 225 is threadedly connected inside the threaded cylinder 224. A pressing plate 226 is fixedly connected to the bottom of the second threaded rod 225. A slide rod 227 is fixedly connected to the top of the pressing plate 226. The slide rod 227 is slidably connected inside the limiting cylinder 221. By rotating the threaded cylinder 224 to drive the second threaded rod 225 to extend, the position of the pressing plate 226 can be adjusted according to the water level, so that the lamp can be fully immersed in water for detection. The limiting cylinder 221 is provided with a limiting hole at the corresponding position of the slide rod 227, and the slide rod 227 slides inside the limiting hole. The slide rod 227 is limited by the limiting hole to position the pressing plate 226 and prevent the pressing plate 226 from shifting.

[0027] In this embodiment, the drainage mechanism 3 includes a drainage port 31. The drainage port 31 is fixedly connected to the left side of the airtightness detection box body 1. A sealing ring 32 is fixedly connected inside the drainage port 31, and a positioning plate 33 is fixedly connected inside the drainage port 31. A push rod 34 is slidably connected inside the positioning plate 33. A sealing disc 35 is fixedly connected to the right side of the push rod 34. A spring 36 is fixedly connected between the sealing disc 35 and the positioning plate 33. By separating the sealing disc 35 from the sealing ring 32, the water inside the airtightness detection box body 1 can be drained, which is convenient for replacing the detection water inside. The sealing ring 32 is provided with an inclined opening at the corresponding position of the sealing disc 35, and the sealing disc 35 is in contact with the inclined opening. By the contact between the sealing ring 32 and the sealing disc 35, the drainage port 31 is sealed to prevent water leakage.

[0028] During the actual operation process, when this device is in use, place the lamp inside the airtightness detection box body 1. Twist the first handle 211 to drive the first threaded rod 212. The rotation of the first threaded rod 212 drives the sliding plate 213. The airtightness detection box body 1 drives the first connecting frame 216. The first connecting frame 216 drives the rotating shaft 215. By pushing the slider 214 to slide through the rotating shaft 215, the first connecting frame 216 is made parallel to the airtightness detection box body 1. Then, inject water into the airtightness detection box body 1. Then, rotate the second handle 223 to drive the rotating ring 222. The rotating ring 222 drives the threaded cylinder 224. The threaded cylinder 224 drives the second threaded rod 225. The second threaded rod 225 drives the pressing plate 226. The pressing plate 226 drives the sliding rod 227. The sliding rod 227 limits the pressing plate 226 through the limiting hole of the limiting cylinder 221. The pressing plate 226 descends to submerge the lamp into the water, thereby performing the detection. Reverse the first handle 211 to open the first connecting frame 216, and the lamp can be taken out. Press the push rod 34 to drive the sealing disc 35. The sealing disc 35 separates from the sealing ring 32, and at the same time stretches the spring 36. The water inside the airtightness detection box body 1 can be discharged from the inside of the drainage port 31 through the gap between the sealing disc 35 and the sealing ring 32.

Claims

1. An LED lamp air tightness detection device, comprising an air tightness detection box (1), characterized in that: The air tightness detection box (1) is provided with a pressing mechanism (2) inside, a drainage mechanism (3) is provided on the left side of the air tightness detection box (1), a supporting leg (4) is fixedly connected to the bottom of the air tightness detection box (1), and an observation port (5) is fixedly connected to the inside of the air tightness detection box (1); The pressing mechanism (2) comprises a flip assembly (21) and a pressing assembly (22); the flip assembly (21) is arranged inside the airtightness detection box (1); and the pressing assembly (22) is arranged inside the flip assembly (21).

2. The LED lamp air tightness detection device according to claim 1, characterized in that: The flip assembly (21) comprises a first handle (211), the first handle (211) is rotatably connected to the inside of the airtightness detection box (1), the bottom of the first handle (211) is fixedly connected to a first threaded rod (212), the first threaded rod (212) is rotatably connected to the inside of the airtightness detection box (1), the outer thread of the first threaded rod (212) is threadedly connected to a slide plate (213), the slide plate (213) is slidably connected to the inside of the airtightness detection box (1), the inside of the airtightness detection box (1) is slidably connected to a slider (214), the inside of the slider (214) is rotatably connected to a rotating shaft (215), the outside of the rotating shaft (215) is fixedly connected to a first connecting frame (216), the first connecting frame (216) is rotatably connected to the inside of the slider (213), and the inside of the first connecting frame (216) is fixedly connected to a second connecting frame (217).

3. The LED lamp air tightness detection device according to claim 1, characterized in that: The airtightness detection box (1) is provided with sliding grooves at corresponding positions of the slider (214) and the slide plate (213), and the slider (214) and the slide plate (213) slide in the corresponding sliding grooves.

4. The LED lamp air tightness detection device according to claim 2, characterized in that: The pressing assembly (22) comprises a limiting cylinder (221), wherein the limiting cylinder (221) is fixedly connected to the bottom of the first connecting frame (216), the second connecting frame (217) is internally rotatably connected to a rotating ring (222), the top of the rotating ring (222) is fixedly connected to a second handle (223), the bottom of the rotating ring (222) is fixedly connected to a threaded cylinder (224), the internal thread of the threaded cylinder (224) is threadedly connected to a second threaded rod (225), the bottom of the second threaded rod (225) is fixedly connected to a pressing plate (226), the top of the pressing plate (226) is fixedly connected to a sliding rod (227), and the sliding rod (227) is slidably connected to the inside of the limiting cylinder (221).

5. The LED lamp air tightness detection device according to claim 4, characterized in that: The limiting cylinder (221) is provided with a limiting hole at a position corresponding to the sliding rod (227), and the sliding rod (227) slides inside the limiting hole.

6. The LED lamp air tightness detection device according to claim 1, characterized in that: The drainage mechanism (3) comprises a drainage port (31), the drainage port (31) is fixedly connected to the left side of the air tightness detection box (1), a sealing ring (32) is fixedly connected inside the drainage port (31), a positioning plate (33) is fixedly connected inside the drainage port (31), a push rod (34) is slidably connected inside the positioning plate (33), a sealing disk (35) is fixedly connected to the right side of the push rod (34), and a spring (36) is fixedly connected between the sealing disk (35) and the positioning plate (33).

7. The LED lamp air tightness detection device according to claim 6, characterized in that: The sealing ring (32) is provided with an oblique opening at a corresponding position of the sealing disk (35), and the sealing disk (35) is in contact with the oblique opening.

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