Dustproof box structure
Patent Information
- Application Number
- CN202522530279.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-09-29
- Estimated Expiration
- 2035-11-28
AI Technical Summary
[0003]本实用新型的目的在于提供一种防尘盒结构，以解决现有防尘盒大多采用硅胶密封方式，螺丝固定，安装和更换繁琐的技术问题
[0014]综上所述，运用本实用新型的技术方案，具有如下的有益效果：本实用新型的结构设计合理，通过设置上壳，上壳的两端分别设有第一安装槽、第二安装槽，第一安装槽与下壳安装配合，第二安装槽与盖子安装配合，防尘盒结构的内部安装有PCB；下壳的边缘与第一安装槽的边缘之间设有输出线安装孔、第一防尘棉，盖子的边缘与第二安装槽的边缘之间设有输入线安装孔、第二防尘棉；防尘盒结构的外部设有输出线、输入线，输出线穿过输出线安装孔、第一防尘棉并与PCB电连接，第一防尘棉受到下壳的挤压作用而填充到相邻的空隙，输入线穿过输入线安装孔、第二防尘棉并与PCB电连接，第二防尘棉受到盖子的挤压作用而填充到相邻的空隙；从而在实际应用时，本实用新型的防尘盒结构可以根据实际需要应用为电源盒或者接线盒，防尘盒结构能够实现输入线、PCB、输出线三者之间的电连接，其中一方面，在盖子与第二安装槽安装配合的过程中，第二防尘棉随着盖子的挤压而填充到相邻的空隙（比如，上壳侧壁和盖子侧壁缝隙被第二防尘棉填满，第二防尘棉相互挤压填满输入线周围的缝隙），达到输入线位置的防尘，另一方面，在下壳与第一安装槽安装配合的过程中，第一防尘棉随着下壳的挤压作用而填充到相邻的空隙（比如，上壳侧壁和下壳侧壁缝隙被第一防尘棉填满，第一防尘棉相互挤压填满输出线周围的缝隙），达到输出线位置的防尘。由上述分析可知，本实用新型的第一防尘棉、第二防尘棉受挤压填满相邻的空隙，利用了防尘棉的弹性和盖子、下壳的挤压作用来实现密封防尘效果，结构简单，配件少，成本优势，和一般电源盒或接线盒使用无异，大大简化了人工操作。
Smart Images
Figure CN224818368U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dustproof box technology, and in particular to a dustproof box structure. Background Technology
[0002] In lighting products, most existing power supply boxes or junction boxes are open and lack dust protection. Existing dustproof boxes mostly use silicone sealing and screw fixing, making installation and replacement cumbersome. Utility Model Content
[0003] The purpose of this utility model is to provide a dustproof box structure to solve the technical problems of existing dustproof boxes, which mostly use silicone sealing and screw fixing, making installation and replacement cumbersome.
[0004] To achieve the above objectives, the present invention provides a dustproof box structure, including an upper shell. The upper shell has a first mounting groove and a second mounting groove at its two ends. The first mounting groove is fitted with a lower shell, and the second mounting groove is fitted with a cover. A PCB is installed inside the dustproof box structure. An output line mounting hole and a first dustproof cotton are provided between the edge of the lower shell and the edge of the first mounting groove. An input line mounting hole and a second dustproof cotton are provided between the edge of the cover and the edge of the second mounting groove. An output line and an input line are provided outside the dustproof box structure. The output line passes through the output line mounting hole and the first dustproof cotton and is electrically connected to the PCB. The first dustproof cotton is filled into adjacent gaps by the compression of the lower shell. The input line passes through the input line mounting hole and the second dustproof cotton and is electrically connected to the PCB. The second dustproof cotton is filled into adjacent gaps by the compression of the cover.
[0005] Furthermore, a first dustproof cotton receiving groove is provided between the edge of the lower shell and the edge of the first mounting groove. The first dustproof cotton receiving groove is located inside the output line mounting hole, and the first dustproof cotton is installed inside the first dustproof cotton receiving groove.
[0006] Furthermore, there are two of each of the first dustproof cotton receiving slots and the number of first dustproof cotton. The two first dustproof cotton receiving slots are respectively disposed on the upper shell and the lower shell, and the two first dustproof cottons are respectively installed in the two first dustproof cotton receiving slots. The two first dustproof cottons are arranged facing each other across the output line.
[0007] Furthermore, the first mounting slot is located at the lower left end of the upper shell, the lower shell is installed below the first mounting slot, the output line mounting hole and the first dustproof cotton receiving slot are located between the left edge of the lower shell and the left edge of the first mounting slot, the PCB is installed between the lower shell and the first mounting slot, and the connector of the PCB is located at the upper right end of the PCB.
[0008] Furthermore, a second dustproof cotton receiving groove is provided between the edge of the cover and the edge of the second mounting groove. The second dustproof cotton receiving groove is located inside the input line mounting hole, and the second dustproof cotton is installed inside the second dustproof cotton receiving groove.
[0009] Furthermore, there are two of each of the second dustproof cotton receiving slot and the second dustproof cotton. The two second dustproof cotton receiving slots are respectively disposed on the cover and the upper shell, and the two second dustproof cottons are respectively installed in the two second dustproof cotton receiving slots. The two second dustproof cottons are arranged facing each other across the input line.
[0010] Furthermore, each of the two second dustproof cottons has a dustproof cotton bevel on its opposite side, and the dustproof cotton bevel of the two second dustproof cottons is in close contact with the input line.
[0011] Furthermore, the second mounting slot is located at the upper right end of the upper shell, the cover is installed above the second mounting slot, and the input line mounting hole and the second dustproof cotton receiving slot are located between the right edge of the second mounting slot and the right edge of the cover.
[0012] Furthermore, a partition and an opening are provided between the first mounting slot and the second mounting slot. The connector of the PCB passes upward through the opening and is installed inside the second mounting slot. The connector of the PCB is located between the partition and the second dustproof cotton receiving slot. The connector of the PCB is electrically connected to the input line. The interior of the second mounting slot is provided with two vertical slots distributed front to back. The interior of the vertical slot is provided with a plurality of locking steps distributed vertically. The two vertical slots are located between the second dustproof cotton receiving slot and the input line mounting hole. A wire pressing block is provided between the two vertical slots. The front and rear ends of the wire pressing block are respectively engaged with the locking steps of the two vertical slots through locking blocks. The wire pressing block presses the input line downward.
[0013] Furthermore, the second mounting groove has shaft holes on the front and rear sides of its left end, and the cover has rotating shafts on the front and rear sides of its left end. The two rotating shafts are rotatably connected to the two shaft holes respectively. The right edge of the second mounting groove has a female buckle, and the right edge of the cover has a male buckle. The male buckle is engaged and fixed with the female buckle.
[0014] In summary, the technical solution of this utility model has the following beneficial effects: The structure of this utility model is reasonably designed. An upper shell is provided, with a first mounting groove and a second mounting groove at each end. The first mounting groove is fitted with the lower shell, and the second mounting groove is fitted with the cover. A PCB is installed inside the dustproof box structure. An output line mounting hole and a first dustproof cotton are provided between the edge of the lower shell and the edge of the first mounting groove. An input line mounting hole and a second dustproof cotton are provided between the edge of the cover and the edge of the second mounting groove. An output line and an input line are provided outside the dustproof box structure. The output line passes through the output line mounting hole and the first dustproof cotton and is electrically connected to the PCB. The first dustproof cotton is filled into adjacent gaps by the compression of the lower shell. The input line passes through the input line mounting hole and the second dustproof cotton and is electrically connected to the PCB. The second dustproof cotton is filled into adjacent gaps by the compression of the cover. The dustproof box structure of this invention can be used as a power supply box or junction box according to actual needs in practical applications. The dustproof box structure can realize the electrical connection between the input line, PCB, and output line. On the one hand, during the installation and fitting of the cover and the second mounting slot, the second dustproof cotton fills the adjacent gaps as the cover is squeezed (for example, the gap between the side wall of the upper shell and the side wall of the cover is filled with the second dustproof cotton, and the second dustproof cotton squeezes each other to fill the gap around the input line), achieving dust prevention at the input line position. On the other hand, during the installation and fitting of the lower shell and the first mounting slot, the first dustproof cotton fills the adjacent gaps as the lower shell is squeezed (for example, the gap between the side wall of the upper shell and the side wall of the lower shell is filled with the first dustproof cotton, and the first dustproof cotton squeezes each other to fill the gap around the output line), achieving dust prevention at the output line position. As can be seen from the above analysis, the first and second dustproof cotton of this utility model are squeezed to fill the adjacent gaps. The elasticity of the dustproof cotton and the squeezing action of the cover and the lower shell are used to achieve the sealing and dustproof effect. The structure is simple, with few accessories and cost advantage. It is no different from the use of general power boxes or junction boxes, which greatly simplifies manual operation. Attached Figure Description
[0015] Figure 1 This is an exploded structural diagram of the present invention; Figure 2 yes Figure 1 A magnified view of the central region; Figure 3 This is a three-dimensional structural diagram of the present invention when the lid is open; Figure 4 This is a three-dimensional structural diagram of the present invention when the lid is closed; Figure 5 This is a three-dimensional structural diagram of the output line and input line of this utility model when they are combined with the first dustproof cotton and the second dustproof cotton. Explanation of reference numerals in the attached drawings: upper shell (1), lower shell (2), cover (3), PCB (4), first dustproof cotton (5), second dustproof cotton (6), output line (7), input line (8), wire clamping block (9), output line mounting hole (10), first dustproof cotton receiving groove (11), input line mounting hole (12), second dustproof cotton receiving groove (13); first mounting groove (101), second mounting groove (102), partition (103), opening (104), vertical groove (105), locking step (106), female buckle (107), shaft hole (108); rotating shaft (301), male buckle (302); connector (401); dustproof cotton bevel (601); locking block (901). Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, but this does not constitute a limitation on the scope of protection of the present utility model.
[0017] In this utility model, for clearer description, the following explanation is provided: The observer faces the attached... Figure 1 When observing, the observer's left side is designated as left, the observer's right side as right, the area in front of the observer as front, the area behind the observer as back, the area above the observer as top, and the area below the observer as bottom. It should be noted that the terms "front end," "rear end," "left side," "right side," "middle," "above," and "below" used in this document indicate the orientation or positional relationship based on the accompanying drawings. These are merely for the purpose of clearly describing the present invention and do not indicate or imply that the structure or component referred to must have a specific orientation or be constructed in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used only for the purpose of clarity or simplification of description and should not be construed as indicating or implying relative importance or quantity.
[0018] See Figures 1 to 5This embodiment provides a dustproof box structure, including an upper shell 1. The upper shell 1 has a first mounting groove 101 and a second mounting groove 102 at its two ends. The first mounting groove 101 is installed and fitted with a lower shell 2, and the second mounting groove 102 is installed and fitted with a cover 3. A PCB 4 is installed inside the dustproof box structure. An output line mounting hole 10 and a first dustproof cotton 5 are provided between the edge of the lower shell 2 and the edge of the first mounting groove 101. An input line mounting hole 12 and a second dustproof cotton 6 are provided between the edge of the cover 3 and the edge of the second mounting groove 102. An output line 7 and an input line 8 are provided outside the dustproof box structure. The output line 7 passes through the output line mounting hole 10 and the first dustproof cotton 5 and is electrically connected to the PCB 4. The first dustproof cotton 5 is filled into the adjacent gap by the squeezing action of the lower shell 2. The input line 8 passes through the input line mounting hole 12 and the second dustproof cotton 6 and is electrically connected to the PCB 4. The second dustproof cotton 6 is filled into the adjacent gap by the squeezing action of the cover 3. Function: In practical applications, the dustproof box structure of this utility model can be used as a power supply box or junction box according to actual needs. The dustproof box structure can realize the electrical connection between the input line, PCB, and output line. On the one hand, during the installation and fitting of the cover and the second mounting slot, the second dustproof cotton fills the adjacent gaps as the cover is squeezed (for example, the gap between the side wall of the upper shell and the side wall of the cover is filled by the second dustproof cotton, and the second dustproof cotton squeezes against each other to fill the gaps around the input line), achieving dust prevention at the input line position. On the other hand, during the installation and fitting of the lower shell and the first mounting slot, the first dustproof cotton fills the adjacent gaps as the lower shell is squeezed (for example, the gap between the side wall of the upper shell and the side wall of the lower shell is filled by the first dustproof cotton, and the first dustproof cotton squeezes against each other to fill the gaps around the output line), achieving dust prevention at the output line position. As can be seen from the above analysis, the first and second dustproof cotton of this utility model are squeezed to fill the adjacent gaps. The elasticity of the dustproof cotton and the squeezing action of the cover and the lower shell are used to achieve the sealing and dustproof effect. The structure is simple, with few accessories and cost advantage. It is no different from the use of general power boxes or junction boxes, which greatly simplifies manual operation.
[0019] Specifically, a first dustproof cotton receiving groove 11 is provided between the edge of the lower shell 2 and the edge of the first mounting groove 101. The first dustproof cotton receiving groove 11 is located inside the output line mounting hole 10, and the first dustproof cotton 5 is installed inside the first dustproof cotton receiving groove 11. Function: The first dustproof cotton receiving groove 11 facilitates the installation of the first dustproof cotton 5, thereby facilitating the dustproof performance of the first dustproof cotton 5.
[0020] Specifically, there are two first dustproof cotton receiving slots 11 and two first dustproof cotton 5s. The two first dustproof cotton receiving slots 11 are respectively located in the upper shell 1 and the lower shell 2, and the two first dustproof cotton 5s are respectively installed in the two first dustproof cotton receiving slots 11. The two first dustproof cotton 5s are arranged facing each other across the output line 7. Function: The arrangement of the two first dustproof cotton 5s allows for better tight fit with the output line 7 when subjected to the compression of the lower shell 2, thus achieving dust prevention.
[0021] Specifically, the first mounting groove 101 is located at the lower left end of the upper shell 1, the lower shell 2 is installed below the first mounting groove 101, the output line mounting hole 10 and the first dustproof cotton receiving groove 11 are located between the left edge of the lower shell 2 and the left edge of the first mounting groove 101, the PCB 4 is installed between the lower shell 2 and the first mounting groove 101, and the connector 401 of the PCB 4 is located at the upper right end of the PCB 4. Function: This positional distribution allows for a more direct and smooth connection between the PCB 4 and the output line. Preferably, the stop position of the lower shell 2 is sealed to the stop position of the first mounting groove 101. Function: The stop position of the first mounting groove 101 and the stop position of the lower shell 2 provide a sealing and dustproof effect, improving the sealing performance.
[0022] Specifically, a second dustproof cotton receiving groove 13 is provided between the edge of the cover 3 and the edge of the second mounting groove 102. The second dustproof cotton receiving groove 13 is located inside the input line mounting hole 12, and the second dustproof cotton 6 is installed inside the second dustproof cotton receiving groove 13. Function: The setting of the second dustproof cotton receiving groove 13 facilitates the installation of the second dustproof cotton 6, thereby facilitating the dustproof performance of the second dustproof cotton 6.
[0023] Specifically, there are two second dustproof cotton receiving slots 13 and two second dustproof cotton 6. The two second dustproof cotton receiving slots 13 are respectively located on the cover 3 and the upper shell 1, and the two second dustproof cotton 6 are respectively installed in the two second dustproof cotton receiving slots 13. The two second dustproof cotton 6 are arranged facing each other across the input line 8. Function: The arrangement of the two second dustproof cotton 6 allows for better tight fit with the input line 8 when compressed by the cover 3, thus achieving dust prevention.
[0024] Specifically, each of the two second dustproof cottons 6 has a dustproof cotton bevel 601 on one side facing each other, and the dustproof cotton bevel 601 of the two second dustproof cottons 6 fits tightly with the input line 8. Function: The second dustproof cotton, with its serrated shape, fills the gaps between the wires, achieving dust prevention at the input line position. When the upper second dustproof cotton is closed and pressed against the lower second dustproof cotton, both second dustproof cottons have bevels. When the bevels are pressed against each other, they expand towards the sides of the cover and the upper shell, filling the gaps in the side walls of the upper shell and the cover, filling the gaps around the wires, and achieving a dustproof effect.
[0025] Specifically, the second mounting slot 102 is located at the upper right end of the upper shell 1, and the cover 3 is installed above the second mounting slot 102. The input line mounting hole 12 and the second dustproof cotton receiving slot 13 are located between the right edge of the second mounting slot 102 and the right edge of the cover 3. Function: This positional distribution allows for a more direct and smooth connection between the PCB 4 and the input line. Preferably, the stop position of the cover 3 is sealed to the stop position of the second mounting slot 102. Function: The stop position of the second mounting slot 102 and the stop position of the cover provide a sealing dustproof effect, improving sealing performance. The structure is simple, with fewer parts, offering cost advantages, and the operation is the same as a regular power supply box without dustproof features, improving the user experience.
[0026] Specifically, a partition 103 and an opening 104 are provided between the first mounting slot 101 and the second mounting slot 102. The connector 401 of the PCB4 passes upward through the opening 104 and is installed inside the second mounting slot 102. The connector 401 of the PCB4 is located between the partition 103 and the second dustproof cotton receiving slot 13. The connector 401 of the PCB4 is electrically connected to the input line 8. The interior of the second mounting slot 102 is provided with two vertical slots 105 distributed front to back. The interior of the vertical slots 105 is provided with a number of locking steps 106 distributed vertically. The two vertical slots 105 are located between the second dustproof cotton receiving slot 13 and the input line mounting hole 12. A wire pressing block 9 is provided between the two vertical slots 105. The front and rear ends of the wire pressing block 9 are respectively locked and engaged with the locking steps 106 of the two vertical slots 105 by locking blocks 901. The wire pressing block 9 presses the input line 8 downward. Function: The opening 104 enables electrical connection between the input line, connector 401 of PCB4, PCB4 and the output line; while the wire clamping block 9 can clamp and fix the input line.
[0027] Specifically, the left end of the second mounting groove 102 has shaft holes 108 on both the front and rear sides, and the left end of the cover 3 has rotating shafts 301 on both the front and rear sides. The two rotating shafts 301 are rotatably connected to the two shaft holes 108 respectively. The right edge of the second mounting groove 102 has a female buckle 107, and the right edge of the cover 3 has a male buckle 302. The male buckle 302 is engaged and fixed with the female buckle 107. Function: When the cover is rotated downwards, the male buckle of the cover and the female buckle of the upper shell are engaged and provide sufficient fastening force. The cover stop and the upper shell stop are fitted together to prevent dust. As the cover rotates, the upper second dustproof cotton is squeezed and fitted together with the lower second dustproof cotton, and the wire is pressed between the upper and lower second dustproof cotton.
[0028] In summary, this utility model's dustproof box structure is an application of dustproof design in power supply boxes or junction boxes. This design aims to prevent dust from entering the internal electrical components. Its core function is to protect the wiring, power PCB, and other components inside the box from dust damage, thereby ensuring stable performance and effectively extending the product's lifespan. Dustproof design is achieved by using dustproof cotton and the sealing edges of the power supply box or junction box itself; it is also used in indoor lighting products.
[0029] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.
Claims
1. A dustproof box structure, comprising an upper shell (1), characterized in that: The upper shell (1) has a first mounting groove (101) and a second mounting groove (102) at its two ends respectively. The first mounting groove (101) is installed and fitted with the lower shell (2), and the second mounting groove (102) is installed and fitted with the cover (3). A PCB (4) is installed inside the dustproof box structure. An output line mounting hole (10) and a first dustproof cotton (5) are provided between the edge of the lower shell (2) and the edge of the first mounting groove (101). An input line mounting hole (12) and a second dustproof cotton (5) are provided between the edge of the cover (3) and the edge of the second mounting groove (102). Dustproof cotton (6); The exterior of the dustproof box structure is provided with an output line (7) and an input line (8). The output line (7) passes through the output line mounting hole (10), the first dustproof cotton (5) and is electrically connected to the PCB (4). The first dustproof cotton (5) is filled into the adjacent gap by the squeezing action of the lower shell (2). The input line (8) passes through the input line mounting hole (12), the second dustproof cotton (6) and is electrically connected to the PCB (4). The second dustproof cotton (6) is filled into the adjacent gap by the squeezing action of the cover (3).
2. The dustproof box structure according to claim 1, characterized in that: A first dustproof cotton receiving groove (11) is provided between the edge of the lower shell (2) and the edge of the first mounting groove (101). The first dustproof cotton receiving groove (11) is located inside the output line mounting hole (10), and the first dustproof cotton (5) is installed inside the first dustproof cotton receiving groove (11).
3. The dustproof box structure according to claim 2, characterized in that: The number of the first dustproof cotton receiving slot (11) and the first dustproof cotton (5) are both two. The two first dustproof cotton receiving slots (11) are respectively located on the upper shell (1) and the lower shell (2). The two first dustproof cotton (5) are respectively installed in the two first dustproof cotton receiving slots (11). The two first dustproof cotton (5) are arranged facing each other across the output line (7).
4. The dustproof box structure according to claim 2, characterized in that: The first mounting slot (101) is located at the lower left end of the upper shell (1), the lower shell (2) is installed below the first mounting slot (101), the output line mounting hole (10) and the first dustproof cotton receiving slot (11) are located between the left edge of the lower shell (2) and the left edge of the first mounting slot (101), the PCB (4) is installed between the lower shell (2) and the first mounting slot (101), and the connector (401) of the PCB (4) is located at the upper right end of the PCB (4).
5. A dustproof box structure according to any one of claims 1 to 4, characterized in that: A second dustproof cotton receiving groove (13) is provided between the edge of the cover (3) and the edge of the second mounting groove (102). The second dustproof cotton receiving groove (13) is located inside the input line mounting hole (12), and the second dustproof cotton (6) is installed inside the second dustproof cotton receiving groove (13).
6. The dustproof box structure according to claim 5, characterized in that: The number of the second dustproof cotton receiving slot (13) and the second dustproof cotton (6) are both two. The two second dustproof cotton receiving slots (13) are respectively set on the cover (3) and the upper shell (1). The two second dustproof cotton (6) are respectively installed in the two second dustproof cotton receiving slots (13). The two second dustproof cotton (6) are arranged facing each other across the input line (8).
7. The dustproof box structure according to claim 6, characterized in that: The two second dustproof cottons (6) are provided with dustproof cotton inclined edges (601) on opposite sides, and the dustproof cotton inclined edges (601) of the two second dustproof cottons (6) are closely matched with the input line (8).
8. The dustproof box structure according to claim 5, characterized in that: The second mounting groove (102) is located at the upper right end of the upper shell (1), the cover (3) is installed above the second mounting groove (102), and the input line mounting hole (12) and the second dustproof cotton receiving groove (13) are located between the right edge of the second mounting groove (102) and the right edge of the cover (3).
9. The dustproof box structure according to claim 8, characterized in that: A partition (103) and an opening (104) are provided between the first mounting slot (101) and the second mounting slot (102). The connector (401) of the PCB (4) passes upward through the opening (104) and is installed inside the second mounting slot (102). The connector (401) of the PCB (4) is located between the partition (103) and the second dustproof cotton receiving slot (13). The connector (401) of the PCB (4) is electrically connected to the input line (8). The interior of the second mounting slot (102) is provided with a partition (103) and an opening (104). Two vertical grooves (105) are distributed front to back. The interior of each vertical groove (105) is provided with several locking steps (106) arranged vertically. The two vertical grooves (105) are located between the second dustproof cotton receiving groove (13) and the input line mounting hole (12). A wire pressing block (9) is provided between the two vertical grooves (105). The front and rear ends of the wire pressing block (9) are respectively locked and engaged with the locking steps (106) of the two vertical grooves (105) by locking blocks (901). The wire pressing block (9) presses the input line (8) downward.
10. The dustproof box structure according to claim 8, characterized in that: The second mounting groove (102) has shaft holes (108) on the front and rear sides of the left end, and the cover (3) has rotating shafts (301) on the front and rear sides of the left end. The two rotating shafts (301) are rotatably connected to the two shaft holes (108). The right edge of the second mounting groove (102) has a female buckle (107), and the right edge of the cover (3) has a male buckle (302). The male buckle (302) is fastened and fixed to the female buckle (107).