Waterproof nut and swimming pool lamp with same

Abstract

The utility model relates to a waterproof nut and a swimming pool lamp with the waterproof nut, and belongs to the technical field of swimming pool waterproofing. The waterproof nut comprises an outer waterproof bolt, an inner waterproof bolt and an inner waterproof piece, the outer waterproof bolt and the inner waterproof bolt are each provided with a bolt through hole for a wire to penetrate through, the inner waterproof piece is arranged in the bolt through hole and is in interference fit with the wire, the inner waterproof bolt is fixed to the outer waterproof bolt, and the inner waterproof piece is fixed to the outer waterproof bolt. And the inner waterproof piece is pressed tightly. Glue pouring sealing is replaced through the waterproof nut, and the sealing effect of the swimming pool lamp is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of pool waterproofing, in particular to a waterproof nut and a pool lamp with the same. BACKGROUND

[0002] The pool lamp is a lighting device specially designed for underwater environment, has a high waterproof level, is made of corrosion-resistant material, is embedded on the pool wall or pool bottom, can provide night safety lighting, and can create atmosphere light effect through colorful LED light sources.

[0003] The pool lamp generally comprises a lamp shell, a lampshade, a light emitting unit and a circuit board, and the lamp shell is provided with a wire through hole for the power line to pass through. The pool lamp is soaked in the environment containing chlorine disinfectant, continuous water pressure and severe temperature difference for a long time, and the sealing performance of the circuit board is extremely harsh. At present, the industry mainstream adopts the potting glue sealing technology, the power line passes through the wire through hole, and then the liquid glue is injected into the wire through hole in the lamp shell to solidify to form a waterproof barrier. The initial sealing performance is good and is suitable for large-scale production.

[0004] However, in actual use, the potting glue fails frequently due to factors such as chemical corrosion, thermal stress damage and pressure fatigue, and the embrittlement, peeling and creep not only cause water leakage risk, but also cause high maintenance cost. At the same time, the general power line and the potting material are not compatible, which will cause a gap between the potting material and the power line, resulting in water leakage. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the sealing effect of the pool lamp and reduce the probability of water seepage to the circuit board, the application provides a waterproof nut and a pool lamp with the same.

[0006] The application provides a waterproof nut and a pool lamp with the same, which adopts the following technical scheme:

[0007] In a first aspect, a waterproof nut comprises an outer waterproof bolt, an inner waterproof bolt and an inner waterproof part, the outer waterproof bolt and the inner waterproof bolt are both provided with a bolt through hole for the power line to pass through, the inner waterproof part is arranged in the bolt through hole and is in interference fit with the wire, the inner waterproof bolt is fixed with the outer waterproof bolt and presses the inner waterproof part.

[0008] By adopting the bolt through hole of the outer waterproof bolt and the inner waterproof bolt for the power line to pass through, the inner waterproof part is arranged in the bolt through hole and is in interference fit with the wire, and then the inner waterproof bolt is fixed with the outer waterproof bolt and presses the inner waterproof part, the failure problem caused by material problems and various factors in the potting glue sealing technology can be avoided, the gap between the potting material and the power line leading to water leakage can be solved, the waterproof performance of the waterproof nut is improved, and the sealing performance of the circuit board of the pool lamp is ensured.

[0009] Optionally, the outer waterproof bolt is provided with an insertion through hole for insertion of the inner waterproof bolt, and the outer waterproof bolt is provided with an inner threaded portion on the inner wall of the insertion through hole, and the inner waterproof bolt is provided with an outer threaded portion matched with the inner threaded portion.

[0010] By adopting the above technical scheme, the insertion through hole of the outer waterproof bolt can be used for insertion of the inner waterproof bolt, and the matching of the inner threaded portion and the outer threaded portion can enable the inner waterproof bolt to be stably connected with the outer waterproof bolt, so as to realize compression of the inner waterproof member, and further ensure the interference fit of the inner waterproof member with the wire, and enhance the waterproof performance of the waterproof nut.

[0011] Optionally, the outer waterproof bolt is provided with a positioning groove between the insertion through hole and the bolt through hole, and the inner waterproof member is arranged in the positioning groove.

[0012] By adopting the above technical scheme, the outer waterproof bolt is provided with the positioning groove for arranging the inner waterproof member, so that the position of the inner waterproof member is fixed, and the stability of the interference fit of the inner waterproof member with the wire can be ensured, and the sealing effect of the waterproof nut on the wire is improved.

[0013] Optionally, the inner wall of the positioning groove is provided with an inclined arc surface.

[0014] By adopting the above technical scheme, the setting of the inclined arc surface can enable the inner waterproof member to be better compressed and deformed, and the adhesion to the wire and the inner wall of the positioning groove is enhanced, so as to further improve the waterproof effect.

[0015] Optionally, the nut of the outer waterproof bolt is provided with a sealing ring groove, and the outer waterproof member abutting against the lamp shell is arranged in the sealing ring groove of the outer waterproof bolt.

[0016] By adopting the above technical scheme, the nut of the outer waterproof bolt is provided with the sealing ring groove, and the outer waterproof member abutting against the lamp shell is arranged in the sealing ring groove of the outer waterproof bolt, so as to enhance the sealing between the waterproof nut and the lamp shell, prevent water from entering the inside of the lamp shell from the connection between the waterproof nut and the lamp shell, and realize double sealing with the inner waterproof member.

[0017] Optionally, a fixing nut for locking the outer waterproof bolt is further included, and the outer side of the screw rod of the outer waterproof bolt is provided with a locking outer thread matched with the fixing nut.

[0018] By adopting the above technical scheme, the fixing nut and the locking outer thread on the outer side of the screw rod of the outer waterproof bolt are matched, so as to lock the outer waterproof bolt, enhance the stability of the installation of the waterproof nut, and further ensure the stability and reliability of the entire waterproof structure, and effectively reduce the probability of water entering the inside of the lamp shell through the wire through hole.

[0019] Optionally, the inner waterproof bolt is located on the side of the lamp shell away from the circuit board, and the outer waterproof member abuts against the side of the lamp shell close to the circuit board.

[0020] By adopting the technical scheme, the inner waterproof bolt is arranged away from the circuit board, so that the waterproof nut can be conveniently disassembled and assembled by the operator, and the disassembly and assembly efficiency is improved.

[0021] Optionally, an end of the inner waterproof bolt is provided with a guide slope for guiding the wire to be inserted.

[0022] By adopting the technical scheme, the guide slope is arranged to facilitate the wire to be inserted into the bolt through hole, so that the wire installation process is more smooth, and the convenience and efficiency of the swimming pool lamp assembly are improved.

[0023] In the second aspect, a swimming pool lamp includes a lamp shell, a lampshade and a circuit board, and includes the waterproof nut, the lamp shell is provided with a mounting through hole penetrating through two side end faces, and the waterproof nut is arranged outside the mounting through hole.

[0024] By adopting the technical scheme, the waterproof nut is used to improve the waterproof performance of the swimming pool lamp. The bolt through hole of the outer waterproof bolt and the inner waterproof bolt is used to pass the wire, the inner waterproof member is in interference fit with the wire and is compressed by the inner waterproof bolt, water is prevented from entering from the wire, the outer waterproof member is abutted on the lamp shell, and water is prevented from entering from the waterproof outer bolt.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. The inner waterproof member is in interference fit with the wire, the inner waterproof bolt and the outer waterproof bolt are fixed and compress the inner waterproof member, water is prevented from entering from the gap between the wire and the waterproof nut, and the problem that the wire and the pouring seal material are not compatible to cause a gap to cause water leakage in the pouring seal technology is avoided;

[0027] 2. The outer waterproof member is arranged to enhance the sealing between the waterproof nut and the lamp shell;

[0028] 3. The present application can make the inner waterproof member be compressed and deformed better by arranging the inclined arc surface, the adhesion to the wire and the inner wall of the positioning groove is enhanced, and the waterproof effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a schematic diagram of the overall structure of the waterproof nut of the embodiment of the present application.

[0030] Figure 2 is an exploded schematic diagram of the waterproof nut of the embodiment of the present application.

[0031] Figure 3 is a cross-sectional schematic diagram of the waterproof bolt of the embodiment of the present application.

[0032] Figure 4 is a cross-sectional schematic diagram of the assembled waterproof bolt and swimming pool lamp of the embodiment of the present application.

[0033] Explanation of reference signs: 1, outer waterproof bolt; 11, first through hole; 12, insertion through hole; 121, internal thread part; 13, positioning groove; 131, inclined arc surface; 14, sealing ring groove; 15, locking outer thread; 2, inner waterproof bolt; 21, second through hole; 22, outer thread part; 23, guide inclined surface; 3, inner waterproof part; 4, fixing nut; 5, outer waterproof part; 6, lamp housing; 61, mounting through hole; 7, lampshade; 8, circuit board. DETAILED DESCRIPTION

[0034] The following will be described in detail with reference to the accompanying drawings. Figures 1-4 The present application is further described in detail.

[0035] The embodiments of the present application disclose a waterproof nut and a swimming pool lamp with the same.

[0036] Reference Figure 1 , Figure 2 and Figure 3 A waterproof nut comprises an outer waterproof bolt 1, an inner waterproof bolt 2, an inner waterproof part 3 and a fixing nut 4. Both the outer waterproof bolt 1 and the inner waterproof bolt 2 have bolt through holes penetrating both sides of the end face, and the bolt through hole of the outer waterproof bolt 1 is defined as the first through hole 11, and the bolt through hole of the inner waterproof bolt 2 is defined as the second through hole 21. The first through hole 11 and the outer waterproof nut are coaxial, and the second through hole 21 and the inner waterproof bolt 2 are coaxial.

[0037] The outer waterproof bolt 1 is further provided with an insertion through hole 12 for the inner waterproof bolt 2 at the end away from the nut, and the inner wall of the insertion through hole 12 of the outer waterproof bolt 1 is uniformly provided with an internal thread part 121 along the axial direction, and the screw rod of the inner waterproof bolt 2 is provided with an outer thread part 22 matched with the internal thread part 121. In other embodiments, the outer waterproof bolt 1 and the inner waterproof bolt 2 can be fixed by other ways, such as interference fit, bonding, buckle and the like. The inner waterproof bolt 2 mainly plays the effect of fixing the inner waterproof part 3, and plays a guiding role for the installation of the wire, and the inner waterproof bolt 2 is provided with a guide inclined surface 23 at the end away from the outer waterproof bolt 1 of the second through hole 21, so as to facilitate the wire to pass through the inner waterproof bolt 2 and the outer waterproof bolt 1 in turn.

[0038] The inner waterproof part 3 is a sealing O-ring, which is arranged at the connection between the first through hole 11 and the insertion through hole 12, and the outer waterproof bolt 1 is provided with a positioning groove 13 for positioning the inner waterproof part 3 at the connection. The inner wall of the positioning groove 13 further has an inclined arc surface 131, so that the inner waterproof part 3 can be tightly fitted with the inner wall of the positioning groove 13 after being extruded by the inner waterproof bolt 2, thereby improving the sealing effect.

[0039] The inner diameter of the inner waterproof part 3 is greater than the outer diameter of the wire, so the wire and the inner waterproof part 3 are in interference fit, the inner waterproof part 3 has a fixing and sealing effect on the wire, and after the inner waterproof bolt 2 is screwed to the insertion hole 12, the compression deformation of the inner waterproof bolt 2 to the inner waterproof part 3 further improves the sealing between the inner waterproof part 3 and the wire, and compared with the glue sealing method, has better structural strength and sealing performance.

[0040] In order to improve the sealing performance of the waterproof nut itself, the waterproof nut further comprises an outer waterproof part 5. The outer waterproof part 5 is an O-shaped sealing ring, and the nut of the outer waterproof bolt 1 is provided with a sealing ring groove 14 for installing the outer waterproof part 5. The sealing ring groove 14 is located on the side of the nut of the outer waterproof bolt 1 facing the lamp shell 6, so that the outer waterproof part 5 can abut against the lamp shell 6 to realize the sealing of the outer waterproof nut and the lamp shell 6.

[0041] The fixing nut 4 is used to lock the outer waterproof bolt 1 on the lamp shell 6, and the outer side of the bolt of the outer waterproof bolt 1 is provided with a locking outer thread 15 which is threadedly matched with the fixing nut 4. In other embodiments, the fixing nut 4 and the outer waterproof bolt 1 can be fixed by other ways, such as interference fit, bonding, buckling and the like.

[0042] Embodiment 2, a swimming pool lamp, comprising a lamp shell 6, a lampshade 7, a circuit board 8 and the waterproof nut of embodiment 1.

[0043] In combination Figure 4 , the lamp shell 6 and the lampshade 7 are sealingly connected, and the circuit board 8 is arranged on the side of the lamp shell 6 facing the lampshade 7. The lamp shell 6 has a mounting through hole 61 penetrating through the two side end faces and for the wire to pass through. The waterproof nut is arranged at the mounting through hole 61, and the inner diameter of the mounting through hole 61 is greater than the outer diameter of the screw rod of the outer waterproof bolt 1.

[0044] The part of the sealing ring groove 14 of the outer waterproof bolt 1 corresponds to the mounting through hole 61, and the outer waterproof part 5 can reduce the entry of swimming pool water from the mounting through hole 61 into the lamp shell 6. The inner waterproof part 3 can reduce the probability of the entry of swimming pool water from the bolt through hole into the lamp shell 6. The double sealing is realized by the outer waterproof part 5 and the inner waterproof part 3.

[0045] The implementation principle of the waterproof nut of the embodiment of the application is that the inner waterproof part 3 and the outer waterproof part 5 are placed in the positioning groove 13 and the sealing ring groove 14 of the outer waterproof bolt 1 in sequence, then the wire pre-equipped with the inner waterproof bolt 2 is passed through the first through hole 11, the inner waterproof bolt 2 is moved, the inner thread part 121 and the outer thread part 22 are connected and fixed, the inner waterproof part 3 is compressed and deformed, and finally the fixing nut 4 is installed on the outer waterproof bolt 1 to realize the fixation of the outer waterproof bolt 1 and the lamp shell 6.

[0046] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A waterproof nut characterized by, The waterproof screw nut comprises an outer waterproof bolt (1), an inner waterproof bolt (2) and an inner waterproof part (3), the outer waterproof bolt (1) and the inner waterproof bolt (2) are provided with bolt through holes for the wire to pass through, the inner waterproof part (3) is arranged in the bolt through hole and is in interference fit with the wire, the inner waterproof bolt (2) is fixed with the outer waterproof bolt (1) and compresses the inner waterproof part (3).

2. A waterproof nut according to claim 1, wherein The outer waterproof bolt (1) is provided with an insertion through hole (12) for the inner waterproof bolt (2) to insert, the outer waterproof bolt (1) is provided with an inner thread part (121) on the inner wall of the insertion through hole (12), and the inner waterproof bolt (2) is provided with an outer thread part (22) matched with the inner thread part (121).

3. A waterproof nut according to claim 2, wherein The outer waterproof bolt (1) is provided with a positioning groove (13) between the insertion through hole (12) and the bolt through hole for the inner waterproof part (3) to be arranged.

4. A waterproof nut according to claim 3, wherein The inner wall of the positioning groove (13) is provided with an inclined arc surface (131).

5. The waterproof nut of claim 1, wherein The nut of the outer waterproof bolt (1) is provided with a sealing ring groove (14), and the outer waterproof bolt (1) is provided with an outer waterproof part (5) abutting against the lamp shell (6) in the sealing ring groove (14).

6. The waterproof nut of claim 1, wherein Further comprising a fixing nut (4) for locking the outer waterproof bolt (1), the outer side of the screw rod of the outer waterproof bolt (1) is provided with a locking outer thread (15) matched with the fixing nut (4).

7. A waterproof nut according to claim 5, wherein The inner waterproof bolt (2) is located on the side of the lamp shell (6) away from the circuit board (8), and the outer waterproof part (5) abuts against the side of the lamp shell (6) close to the circuit board (8).

8. The waterproof nut of claim 1, wherein The end of the inner waterproof bolt (2) is provided with a guide inclined surface (23) for guiding the wire to insert.

9. A swimming pool lamp comprising a lamp housing (6), a lamp cover (7) and a circuit board (8), characterized in that The waterproof screw nut comprises an outer waterproof bolt (1), an inner waterproof bolt (2) and an inner waterproof part (3), the outer waterproof bolt (1) and the inner waterproof bolt (2) are provided with bolt through holes for the wire to pass through, the inner waterproof part (3) is arranged in the bolt through hole and is in interference fit with the wire, the inner waterproof bolt (2) is fixed with the outer waterproof bolt (1) and compresses the inner waterproof part (3).

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