A lamp

By designing a lamp tube structure with first and second mounting parts on the side cover, waterproof sealing of the refrigerator lamp tube is achieved, simplifying the operation process, reducing costs, and making it suitable for automated production.

CN224680741UActive Publication Date: 2026-08-25ENERGYLED ELECTRONICS CORPORATION
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Patent Information

Application Number
CN202522095915.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-28
Publication Date
2026-08-25
Estimated Expiration
2035-09-28

AI Technical Summary

Technical Problem

The existing waterproofing process for refrigerator light tubes is complex and costly. Current technology requires first sealing the plastic tube with colloid and then fixing the side cover with screws.

Method used

A lamp tube structure is designed with first and second mounting parts on the side cover. Sealing is achieved through a one-time glue application. The first mounting part cooperates with the mounting tube, and the second mounting part cooperates with the support structure to achieve sealing and fixation.

Benefits of technology

It simplifies the waterproofing process, reduces process costs, is suitable for automated production, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of lamp tubes, comprising: the installation pipe for installing light bar, with the nesting cooperation of installation pipe, and the support structure for supporting installation pipe makes it does not occur deformation, and with the end of installation pipe and the end of support structure are inserted and are connected with the side cover of cooperation;Wherein, the support structure with installation pipe exists installation gap;The side cover includes the first installation part of sealing cooperation with installation pipe and the second installation part of sealing cooperation with support structure, the first installation part with second installation part is arranged in ladder shape.This lamp tube structure can complete waterproof seal by one-time glueing operation, and does not need to assemble screw, more suitable for automatic production process, can effectively improve production efficiency and reduce cost.
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Description

Technical Field

[0001] This utility model relates to the field of lighting, and more specifically, to a lamp tube. Background Technology

[0002] As residents' living standards gradually improve, refrigerators have become one of the most frequently used appliances in households. To facilitate users' clear viewing of items stored in the refrigerator compartment, most refrigerators on the market are equipped with light tubes in the refrigerator area. Compared to conventional light tubes, those installed inside the refrigerator have higher requirements for sealing and waterproofing performance. This is to prevent the humid environment inside the refrigerator from affecting the operation of the light tubes, thereby ensuring their lifespan. However, the existing waterproofing process for light tubes has significant shortcomings: the process requires first sealing the plastic tube with adhesive, and then fixing the side cover with screws. This method is not only more complex but also increases the overall manufacturing cost. Utility Model Content

[0003] The present invention aims to overcome at least one of the defects of the prior art and provide a lamp tube to solve the problem that the waterproofing process in the prior art is relatively complicated and the overall process cost is high.

[0004] The technical solution adopted by this utility model is as follows:

[0005] A lamp tube includes: a mounting tube for mounting a light strip; a support structure nested with the mounting tube and used to support the mounting tube to prevent deformation; and a side cover that is inserted into both the end of the mounting tube and the end of the support structure; wherein there is an installation gap between the support structure and the mounting tube; the side cover includes a first mounting portion that seals with the mounting tube and a second mounting portion that seals with the support structure, the first mounting portion and the second mounting portion being arranged in a stepped manner.

[0006] In one embodiment, the first mounting part is inserted into the inside of the mounting tube, and the second mounting part is inserted into the mounting gap between the mounting tube and the support structure.

[0007] In one embodiment, the mounting tube is provided with a lens that matches the light emission direction of the light strip.

[0008] In one embodiment, the side cover further includes an extension cover that mates with the lens, the extension cover covering the top of the lens near the side cover portion, and the outer edges of the extension cover abutting against the top edge of the support structure.

[0009] In one embodiment, the lens is arranged in a concave shape, a V shape, or a U shape.

[0010] In one embodiment, the mounting tube is provided with a fixing structure for supporting or mounting the light strip.

[0011] In one embodiment, the fixing structure includes two protruding ridges respectively disposed on the two side walls of the mounting tube and correspondingly disposed thereon.

[0012] In one embodiment, the side cover is also provided with a groove that engages with the tenon and mortise of the protruding ridge.

[0013] In one embodiment, the groove has a flared cross-section, wherein the larger diameter end of the flared shape is the groove opening end.

[0014] In one embodiment, the mounting tube is a plastic tube, and / or the support structure is an aluminum profile.

[0015] Compared with the prior art, the beneficial effects of this utility model include at least the following:

[0016] The lamp tube structure designed in this technical solution can achieve waterproof sealing through a one-time glue application, eliminating the need for assembly screws. This design is more compatible with automated production processes, effectively improving production efficiency and reducing costs. Specifically, the core design of the lamp tube in this technical solution lies in the side cover: the side cover has a first mounting part and a second mounting part. The first mounting part is used to mate with the mounting tube, and the second mounting part is used to mate with the supporting structure. During assembly, after the first mounting part is combined with the mounting tube, a waterproof seal is achieved using adhesive. The second mounting part serves a dual purpose: it both limits the assembly position of the side cover and secures the side cover.

[0017] When using this technical solution for waterproofing lamp tubes, the following steps must be followed: First, fix the mounting tube to the supporting structure; then apply adhesive to key locations—including the joints between the mounting tube and the supporting structure at both ends, and the assembly contact surfaces of the first and second mounting parts of the side cover; finally, assemble the side cover with the mounting tube and supporting structure. During this process, the side cover and mounting tube are simultaneously fixed together through the first mounting part, achieving a sealing effect and ensuring the entire lamp tube structure meets waterproofing requirements. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the lamp tube described in an embodiment of this utility model.

[0019] Figure 2 This is an exploded schematic diagram of the lamp tube described in an embodiment of this utility model.

[0020] Figure 3 This is a schematic diagram of the side cover structure according to an embodiment of the present invention.

[0021] Figure 4A schematic cross-section of the lamp tube described in an embodiment of this utility model. Figure 1 .

[0022] Figure 5 A schematic cross-section of the lamp tube described in an embodiment of this utility model. Figure 2 .

[0023] Reference numerals: 10, light strip; 20, mounting tube; 21, lens; 22, protruding ridge; 23, receiving groove; 30, support structure; 40, side cover; 41, first mounting part; 42, second mounting part; 43, extension cover; 44, clamping groove. Detailed Implementation

[0024] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this invention. To better illustrate the following embodiments, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0025] like Figures 1-5 The lamp tube shown includes: a mounting tube 20 for mounting a light strip 10; a support structure 30 nested with the mounting tube 20 and used to support the mounting tube 20 to prevent deformation; and a side cover 40 that is inserted into both the end of the mounting tube 20 and the end of the support structure 30; wherein, there is an installation gap between the support structure 30 and the mounting tube 20; the side cover 40 includes a first mounting portion 41 that seals with the mounting tube 20 and a second mounting portion 42 that seals with the support structure 30, the first mounting portion 41 and the second mounting portion 42 being arranged in a stepped manner.

[0026] The lamp tube structure of this embodiment can achieve waterproof sealing through a one-time glue application, eliminating the need for assembly screws. This makes it more suitable for automated production processes, effectively improving production efficiency and reducing costs. Specifically, the core design of the lamp tube in this embodiment lies in the side cover 40: the side cover 40 is provided with a first mounting part 41 and a second mounting part 42, where the first mounting part 41 is used to cooperate with the mounting tube 20, and the second mounting part 42 is used to cooperate with the support structure 30. During assembly, after the first mounting part 41 and the mounting tube 20 are combined, a waterproof sealing effect is achieved with the help of adhesive; the second mounting part 42 serves a dual purpose, both limiting the assembly position of the side cover 40 and fixing the side cover 40.

[0027] When waterproofing the lamp tube using this embodiment, the following steps must be followed: First, fix the mounting tube 20 to the supporting structure 30; then apply adhesive to key locations—including the joints between the mounting tube 20 and the supporting structure 30 at both ends, and the assembly contact surfaces of the first mounting portion 41 and the second mounting portion 42 of the side cover 40; finally, assemble the side cover 40 with the mounting tube 20 and the supporting structure 30. During this process, the side cover 40 and the mounting tube 20 are simultaneously fixed together via the first mounting portion 41, achieving a sealing effect and ensuring the entire lamp tube structure meets waterproofing requirements.

[0028] In this embodiment, the first mounting part 41 is inserted into the inside of the mounting tube 20. Furthermore, the outer contour of the first mounting part 41 matches the inner contour of the mounting tube 20, that is, the first mounting part 41 is arranged in a closed ring or a ring-like shape. It can not only support the mounting tube 20, but also fix the relative position of the mounting tube 20 and the side cover 40 through the first mounting part 41. At the same time as insertion, it is fixed by adhesive applied in advance to meet the waterproof requirements. Moreover, the matching of the outer contour of the first mounting part 41 with the inner contour of the mounting tube 20 increases the contact area between the two and ensures the reliability of adhesive fixation.

[0029] In this embodiment, the second mounting part 42 is inserted into the mounting gap between the mounting tube 20 and the support structure 30, which can further ensure the stability of the overall structure formed by the mounting tube 20 and the support structure 30 and the side cover 40.

[0030] In this embodiment, the mounting tube 20 is provided with a lens 21 that matches the light emission direction of the lamp strip 10. Specifically, the lens 21 is located at the top of the mounting tube 20, and the lens 21 is arranged in a concave, V-shaped, or U-shaped manner, thereby making the light emission surface wider and more uniform.

[0031] The side cover 40 of this embodiment also includes an extension cover 43 that mates with the lens 21. The extension cover 43 covers the top of the portion of the lens 21 near the side cover 40, and the outer edges of both sides of the extension cover 43 abut against the top edge of the support structure 30. The extension cover 43 is designed to match the shape of the lens 21. Combined with the matching method with the support structure 30, it can play a guiding, limiting, and positioning role during the installation of the side cover 40; on the other hand, it protects the lens 21, preventing it from being touched or damaged during lamp assembly.

[0032] In this embodiment, the mounting tube 20 is provided with a fixing structure for supporting or mounting the light strip 10. Specifically, the fixing structure in this embodiment consists of two protruding ribs 22 respectively provided on two opposite side walls of the mounting tube 20. The two protruding ribs 22 are symmetrically arranged, and the light strip 10 is fixed on both sides of the two protruding ribs 22.

[0033] To further ensure the fixing effect of the light strip 10, the above the protruding ridge 22 in this embodiment is also provided with a receiving groove 23 for accommodating the light strip 10. That is, the protruding ridge 22 limits the bottom surface of the light strip 10, and the top surface of the receiving groove 23 limits the top surface of the light strip 10.

[0034] In this embodiment, the side cover 40 is also provided with a clamping groove 44 that mortise and tenon-mates with the protruding ridge 22. Specifically, the clamping groove 44 is located on the outside of the first mounting part 41, and the position and number of the clamping grooves 44 match the protruding ridge 22. Thus, when the first mounting part 41 is inserted into the mounting tube 20, the clamping groove 44 matches the protruding ridge 22, further fixing the relative position of the side cover 40 and the mounting tube 20.

[0035] Specifically, the clamping groove 44 has a trumpet-shaped cross-section, with the larger diameter end of the trumpet shape being the slot opening. Therefore, when the side cover 40 is inserted into the mounting tube 20, the slot opening at the larger diameter end not only allows for smooth assembly but also guides and limits the insertion assembly. In addition, one of the groove edges of the clamping groove 44 can also mortise and tenon engage with the receiving groove 23 to further ensure assembly stability.

[0036] In this embodiment, the mounting pipe 20 is a plastic pipe and the supporting structure 30 is an aluminum profile. In other embodiments, mounting pipes and supporting structures made of other materials may be used.

[0037] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the technical solution of this utility model, and are not intended to limit the specific implementation of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the claims of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A lamp tube, characterized in that, include: A mounting tube for mounting light strips, a support structure nested within the mounting tube and used to support the mounting tube to prevent deformation, and a side cover that is inserted into both the end of the mounting tube and the end of the support structure; wherein, there is an installation gap between the support structure and the mounting tube; the side cover includes a first mounting part that seals with the mounting tube and a second mounting part that seals with the support structure, the first mounting part and the second mounting part being arranged in a stepped manner.

2. The lamp tube according to claim 1, characterized in that, The first mounting part is inserted into the inside of the mounting tube, and the second mounting part is inserted into the mounting gap between the mounting tube and the support structure.

3. The lamp tube according to claim 1, characterized in that, The mounting tube is equipped with a lens that matches the light emission direction of the lamp strip.

4. The lamp tube according to claim 3, characterized in that, The side cover also includes an extension cover that mates with the lens. The extension cover covers the top of the lens near the side cover portion, and the outer edges of both sides of the extension cover abut against the top edge of the support structure.

5. The lamp tube according to claim 3, characterized in that, The lens is configured in a concave, V-shaped, or U-shaped manner.

6. The lamp tube according to claim 1, characterized in that, The mounting tube is equipped with a fixing structure for supporting or mounting light strips.

7. The lamp tube according to claim 6, characterized in that, The fixing structure includes two protruding ribs respectively provided on the two side walls of the mounting tube.

8. The lamp tube according to claim 7, characterized in that, The side cover is also provided with a groove that mates with the tenon and mortise of the protruding ridge.

9. The lamp tube according to claim 8, characterized in that, The groove has a funnel-shaped cross-section, wherein the larger diameter end of the funnel shape is the groove opening end.

10. The lamp tube according to any one of claims 1-9, characterized in that, The mounting tube is a plastic tube, and / or the supporting structure is an aluminum profile.