Lamp tube connector with waterproof structure

Abstract

The utility model relates to the technical field of lighting equipment, and discloses a lamp tube connector with a waterproof structure, which comprises a connector shell, a lamp tube base is connected onto the connector shell, a threaded ring with an outward thread is arranged on the outer side of the bottom surface of the lamp tube base, and a screw base lower than the threaded ring is arranged in the middle of the bottom surface of the lamp tube base. A threaded groove rotationally connected with the threaded ring is formed in the top face of the connector shell, a screw groove rotationally connected with the screw lamp holder is formed in the connector shell, and a first sealing ring is arranged at the attaching position of the connector shell and the lamp tube base. Double threaded connection is performed on the lamp tube by arranging the threaded ring and the threaded lamp holder, the outer threaded ring provides mechanical fixation, and the inner threaded lamp holder forms secondary locking, so that stress can be dispersed, and a moisture permeation path can be prolonged; and under the cooperation of the sealing ring, the processing tolerance or the deformation gap is filled through elastic compression, so that the waterproof effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lighting equipment technical field, concretely is a lamp tube connector with waterproof structure. BACKGROUND

[0002] The waterproof lamp is a kind of lighting equipment specially designed for humid, dusty or outdoor environment, can effectively block moisture, dust invasion inside circuit by special sealing structure (such as rubber ring, glue filling process) and protection level certification (such as IP65, IP68). It is suitable for various humid or water-proof lighting places, commonly used in bathroom, swimming pool, courtyard, industrial workshop scene, can resist rainwater scouring, fog erosion even short water immersion. Its shell is made of stainless steel, engineering plastic and other rust-proof corrosion-resistant materials, type covers ceiling lamp, wall lamp, buried lamp, projection lamp, etc., with safety and durability.

[0003] But the waterproof lamp holder and waterproof lamp in prior art when installing, to realize waterproof effect, only rely on internal thread connection and the smearing of external sealing glue to carry out the fixation of lamp, but single sealing layer is easy to fail due to vibration, thermal expansion and contraction or material aging, causes water seepage or contact failure, and simultaneously needs to destroy original sealing structure when maintaining, removes sealing glue to carry out maintenance, and operation is complex and can possibly damage equipment. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a lamp tube connector with waterproof structure, which improves the waterproof effect by adopting double-layer thread connection design.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a lamp tube connector with waterproof structure, comprising a connector shell, a lamp tube base connected to the connector shell, a threaded ring with outward threads arranged on the outer side of the bottom surface of the lamp tube base, a screw cap lamp holder arranged in the middle of the bottom surface of the lamp tube base and lower than the threaded ring, a threaded groove provided on the top surface of the connector shell and rotationally connected with the threaded ring, a screw cap groove provided on the connector shell and rotationally connected with the screw cap lamp holder, and a sealing ring I arranged at the joint of the connector shell and the lamp tube base.

[0006] Further, an element groove is provided in the connector shell inside the threaded groove bottom surface, a sealing bottom cover is arranged on the bottom surface of the element groove, the sealing bottom cover is fixedly connected with the connector shell by buckling, a sealing ring II is arranged at the joint of the sealing bottom cover and the connector shell, a wiring terminal with top surface abutting the threaded groove bottom surface is arranged in the element groove, an electrical element box is connected to the bottom surface of the wiring terminal, the wiring terminal and the electrical element box are fixed on the sealing bottom cover, and a power line is embedded on the bottom surface of the sealing bottom cover.

[0007] Further, the outer diameter of the connector housing is the same as the outer diameter of the lamp base, the outer diameter of the first sealing ring is smaller than the outer diameter of the connector housing, and the inner diameter of the first sealing ring is larger than the inner diameter of the threaded groove.

[0008] Further, the outer diameter of the second sealing ring is smaller than the outer diameter of the connector housing, the inner diameter of the second sealing ring is larger than the inner diameter of the element groove, and the sealing ring is arranged on the bottom surface of the connector housing.

[0009] Further, the threaded groove is provided with the sealing groove four at the bottom surface, and the third sealing ring is arranged in the sealing groove four.

[0010] Further, the connector housing is provided with the air permeation groove one which is perpendicular to the element groove at the outer side, and the connector housing is provided with the air permeation groove two which is perpendicular to the element groove at the bottom surface of the threaded groove, and the air permeation film is arranged in the air permeation groove one and the air permeation groove two.

[0011] Further, the inner wall of the connector housing is provided with the limiting plate at the position close to the electrical element box.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] By setting the threaded ring and the screw cap, the lamp tube is double-threaded, the outer threaded ring provides mechanical fixation, the inner screw cap forms secondary locking, stress can be dispersed and the moisture penetration path is prolonged, and the effects of anti-vibration and anti-loosening are realized; by setting the sealing bottom cover, the buckle and the second sealing ring, the connector housing is sealed and connected, the electronic elements can be maintained conveniently, and the sealing effect of the connector is ensured; by setting the multiple sealing rings and embedding the upper and lower half rings in the grooves, the sealing integrity is ensured, and the sealing ring is accurately compressed during installation; by setting the air permeation groove and the air permeation film, air can flow in the connector and liquid water is blocked, the internal and external air pressures are balanced, the sealing ring is prevented from being deformed due to pressure or condensation in the cavity due to thermal expansion and cold contraction, and the sealing life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is a whole three-dimensional structure schematic diagram of the utility model after being split and partially cut open;

[0016] Figure 3 It is a three-dimensional structure schematic diagram of the lamp base of the utility model;

[0017] Figure 4It is the three-dimensional structure schematic view after the connection head shell part is split.

[0018] Figure 5 It is the three-dimensional structure schematic view after the connection head shell part is split.

[0019] In the figure: 1, connection head shell; 101, thread groove; 102, screw groove; 103, element groove; 104, sealing bottom cover; 105, buckle; 106, wiring terminal; 107, electrical element box; 108, power supply wire; 109, sealing groove one; 110, sealing ring; 111, sealing groove three; 112, sealing groove four; 113, air permeable groove one; 114, air permeable groove two; 115, limiting plate; 2, lamp tube base; 201, thread ring; 202, screw cap; 203, sealing groove two; 3, sealing ring one; 4, sealing ring two; 5, sealing ring three; 6, air permeable membrane. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] As Figures 1 to 5 shown, a lamp tube connector with waterproof structure, including connection head shell 1, connection head shell 1 is connected with lamp tube base 2, and the outer side of the bottom surface of lamp tube base 2 is provided with thread ring 201 outwardly threaded, the middle of the bottom surface of lamp tube base 2 is provided with screw cap 202 lower than thread ring 201, the top surface of connection head shell 1 is provided with thread groove 101 rotatably connected with thread ring 201, connection head shell 1 is provided with screw groove 102 rotatably connected with screw cap 202, and connection head shell 1 and lamp tube base 2 are provided with sealing ring one 3 at the abutting portion.

[0022] As Figure 1 shown, the main improvement point of the utility model lies in that the design of double-layer thread connection is adopted to improve the waterproof effect, as Figures 1 to 5As shown, the lamp tube connector with waterproof structure in the utility model, when installing, first put the sealing ring 3 into the sealing groove 109, put the sealing ring 2 4 into the sealing groove three 111 on the sealing bottom cover 104, put the sealing ring three 5 into the sealing groove four 112, complete the preparation work, then the position of electrical element box 107 is aligned with the limiting plate 115, and then the sealing bottom cover 104 is fixed on the connector shell 1 by buckle 105, and the wiring terminal 106 is attached with the screw groove 102, and the assembly of the sealing bottom cover 104 is completed; then under the cooperation of the screw ring 201 and the screw groove 101, the screw lamp holder 202 and the screw groove 102, the lamp tube base 2 is installed on the connector shell 1, the installation of the lamp tube is realized, at this time, the outside screw ring 201 provides mechanical fixation, and the inside screw lamp holder 202 forms secondary locking, so as to disperse stress and prolong the moisture penetration path, improve the waterproof performance, and also realize the effects of anti-vibration and anti-loosening.

[0023] As shown in the figure, Figure 1 The connector shell 1 is internally provided with an element groove 103 at the bottom surface of the screw groove 101, the sealing bottom cover 104 is arranged at the bottom surface of the element groove 103, the sealing bottom cover 104 is fixedly connected with the connector shell 1 through the buckle 105, the sealing ring two 4 is arranged at the abutting position of the sealing bottom cover 104 and the connector shell 1, the wiring terminal 106 is arranged in the element groove 103 and abuts against the bottom surface of the screw groove 101, the electrical element box 107 is connected to the bottom surface of the wiring terminal 106, and the sealing bottom cover 104 is embedded with the power line 108.

[0024] Specifically, the sealing bottom cover 104 is fixed by the buckle 105, which facilitates the disassembly and maintenance of the internal electrical element box 107 and the wiring terminal 106, and reduces the maintenance cost, and the sealing ring two 4 can avoid the penetration of moisture along the gap at the closed position, and the electrical element box 107 and the wiring terminal 106 are fixed on the sealing bottom cover 104 and arranged in the independent sealed cavity (element groove 103), so as to be physically isolated from the external screw connection area, and the circuit is prevented from being eroded by water vapor.

[0025] As shown in the figure, Figures 2 to 4 The outer diameter of the connector shell 1 is the same as the outer diameter of the lamp tube base 2, the outer diameter of the sealing ring one 3 is smaller than the outer diameter of the connector shell 1, the inner diameter of the sealing ring one 3 is larger than the inner diameter of the screw groove 101, the connector shell 1 is provided with the sealing groove one 109 for accommodating the lower half of the sealing ring one 3, and the lamp tube base 2 is provided with the sealing groove two 203 for accommodating the upper half of the sealing ring one 3.

[0026] As shown in the figure, Figure 2 And Figure 4As shown, the outer diameter of the second sealing ring 4 is smaller than the outer diameter of the connector housing 1, and the inner diameter of the second sealing ring 4 is larger than the inner diameter of the element groove 103. The bottom surface of the connector housing 1 is provided with a sealing ring 110 abutting the inner ring of the second sealing ring 4, and the sealing bottom cover 104 is provided with a sealing groove three 111 accommodating the second sealing ring 4.

[0027] As shown in Figure 2 and Figure 5 , the bottom surface of the threaded groove 101 is provided with a sealing groove four 112, and the sealing groove four 112 is provided with a sealing ring three 5. The outer diameter of the sealing ring three 5 is smaller than the inner diameter of the threaded groove 101, and the inner diameter of the sealing ring three 5 is larger than the inner diameter of the threaded ring 201.

[0028] Specifically, by setting the first sealing ring 3, a first waterproof barrier can be formed at the abutting position of the lamp tube base 2 and the connector housing 1, preventing external liquid water from entering. The second sealing ring 4 can prevent water from entering along the gap of the electrical element box. The third sealing ring 5 at the bottom of the threaded groove can block water from entering the internal cavity through the threaded gap. With the cooperation of the three sealing rings, the waterproof performance can be significantly improved. At the same time, the design of the sealing groove one 109, the sealing groove two 203, the sealing groove three 111 and the sealing groove four 112 can ensure that the sealing ring is tightly abutted and not easily displaced, avoiding sealing failure caused by mechanical vibration or temperature change.

[0029] As shown in Figure 5 , the outer side of the connector housing 1 is provided with a ventilation groove one 113 perpendicular to the element groove 103, and the connector housing 1 is provided with a ventilation groove two 114 perpendicular to the element groove 103 at the bottom of the threaded groove 101. The ventilation groove one 113 and the ventilation groove two 114 are provided with a ventilation film 6.

[0030] Specifically, the ventilation groove one 113 on the outer side of the connector housing 1 is used for ventilation of the element groove 103, and the ventilation groove two 114 at the bottom of the threaded groove 101 will connect the cavity at the threaded connection between the connector housing 1 and the lamp tube base 2 with the element groove 103, thereby ventilating the cavity caused by closure and forming a gas exchange channel. The ventilation groove one 113 and the ventilation groove two 114 will also cooperate with the ventilation film 6 to allow air flow but block liquid water, balance the internal and external air pressure, prevent the sealing ring from being deformed due to thermal expansion and contraction or condensation in the cavity, and prolong the sealing life.

[0031] As shown in Figure 2 and Figure 5 , the inner wall of the connector housing 1 is provided with a limiting plate 115 at the abutting position of the electrical element box 107.

[0032] Specifically, by setting the limiting plate 115, when the sealing bottom cover 104 is closed, the limiting plate 115 will limit the electrical element box 107, prevent the internal elements from displacement due to vibration, and ensure that the terminal 106 is stably attached to the bottom surface of the threaded groove 101.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A lamp tube connector with a waterproof structure, comprising a connector housing (1), a lamp tube base (2) is connected to the connector housing (1), characterized in that, The lamp base (2) bottom surface outside is provided with a threaded ring (201) outwardly threaded, the middle of the lamp base (2) bottom surface is provided with a screw cap (202) lower than the threaded ring (201), the top surface of the connector housing (1) is provided with a threaded groove (101) rotatably connected with the threaded ring (201), the connector housing (1) is provided with a screw groove (102) rotatably connected with the screw cap (202), and the connector housing (1) and the lamp base (2) are provided with a sealing ring I (3) at the joint.

2. The lamp tube connector with waterproof structure according to claim 1, characterized in that, The inside of the connector housing (1) is provided with an element groove (103) at the bottom surface of the threaded groove (101), the bottom surface of the element groove (103) is provided with a sealing bottom cover (104), the sealing bottom cover (104) is fixedly connected with the connector housing (1) through a buckle (105), the sealing bottom cover (104) and the connector housing (1) are provided with a sealing ring II (4) at the joint, the element groove (103) is provided with a wiring terminal (106) with the top surface abutting the bottom surface of the threaded groove (101), the bottom surface of the wiring terminal (106) is connected with an electrical element box (107), the wiring terminal (106) and the electrical element box (107) are fixed on the sealing bottom cover (104), and the bottom surface of the sealing bottom cover (104) is embedded with a power line (108).

3. The lamp tube connector with waterproof structure according to claim 2, characterized in that, The outer diameter of the connector housing (1) is the same as the outer diameter of the lamp base (2), the outer diameter of the sealing ring I (3) is smaller than the outer diameter of the connector housing (1), the inner diameter of the sealing ring I (3) is larger than the inner diameter of the threaded groove (101), the connector housing (1) is provided with a sealing groove I (109) accommodating the lower half of the sealing ring I (3), and the lamp base (2) is provided with a sealing groove II (203) accommodating the upper half of the sealing ring I (3).

4. The lamp tube connector with waterproof structure according to claim 3, characterized in that, The outer diameter of the sealing ring II (4) is smaller than the outer diameter of the connector housing (1), the inner diameter of the sealing ring II (4) is larger than the inner diameter of the element groove (103), the bottom surface of the connector housing (1) is provided with a sealing ring (110) abutting the inner ring of the sealing ring II (4), and the sealing bottom cover (104) is provided with a sealing groove III (111) accommodating the sealing ring II (4).

5. The lamp connection head with a waterproof structure according to claim 4, characterized in that, The bottom surface of the threaded groove (101) is provided with a sealing groove IV (112), the sealing groove IV (112) is provided with a sealing ring III (5), the outer diameter of the sealing ring III (5) is smaller than the inner diameter of the threaded groove (101), and the inner diameter of the sealing ring III (5) is larger than the inner diameter of the threaded ring (201).

6. The lamp connection head with a waterproof structure according to claim 5, characterized in that, The connector housing (1) is provided with a ventilation groove I (113) perpendicular to the element groove (103) outside, the connector housing (1) is provided with a ventilation groove II (114) perpendicular to the element groove (103) at the bottom surface of the threaded groove (101), and the ventilation groove I (113) and the ventilation groove II (114) are provided with a ventilation film (6).

7. The lamp connection head with a waterproof structure according to claim 6, characterized in that, The inner wall of the connector housing (1) is provided with a limiting plate (115) at the abutting position of the electrical element box (107).

Images