CN218914590U

CN218914590U - Waterproof LED bulb of resistance joint formula

Info

Publication number: CN218914590U
Application number: CN202223275474.6U
Authority: CN
Inventors: 李敏; 张欣; 桂艳红
Original assignee: Sichuan Jamie Lighting Technology Co ltd
Current assignee: Sichuan Jamie Lighting Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-25
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to the technical field of bulbs, and discloses a resistance clamping waterproof LED bulb which comprises a lamp cap, a bulb shell connected with the lamp cap and a stem assembly, wherein the stem assembly comprises a rubber seat, at least one resistor a, a first metal wire, an LED luminous body and a second metal wire which are electrically connected in sequence; the rubber seat is matched with the opening of the bulb shell, a filling concave position is formed between the rubber seat and the opening of the bulb shell, and a sealing adhesive layer for sealing and waterproofing is arranged at the filling concave position; the LED luminous body is positioned at the top of the rubber seat and in the bulb shell, one end of the first metal wire penetrates through the first wire hole and is electrically connected with the LED luminous body, one end of the second metal wire penetrates through the second wire hole and is electrically connected with the LED luminous body, and the other end of the second metal wire is electrically connected with the lamp cap; the clamping position capable of being directly clamped with the resistor is arranged in the rubber seat, so that the resistor is convenient to install, and the assembly forming process of the bulb is further simplified.

Description

Waterproof LED bulb of resistance joint formula

Technical Field

The utility model relates to the technical field of bulbs, in particular to a resistance clamping waterproof LED bulb.

Background

The bulb is a main lamp for lighting, along with popularization of electric power and development of science and technology, the bulb is developed into a current LED bulb from a traditional tungsten filament bulb with larger power consumption, the lamp has moved into a plurality of families, and people are not limited to ordinary lighting by the lamp, for example, during a meeting, the bulbs with different luminous colors are made into a string of lamps and then fixed on places such as artificial trees, walls, fences, indoor ceilings and the like, so as to decorate the environment, bake the atmosphere of the meeting and add artistic effects.

Chinese patent CN202222298002.6 discloses a waterproof insulating LED bulb, including lamp holder, plug, support and plastic shell, the plug is installed inside the tip of plastic shell, and the support includes first seal wire, second seal wire, first insulating pearl body, second insulating pearl body and LED lamp strip, and the inside of plug is provided with first recess and second recess, and first insulating pearl body is located first recess, and second insulating pearl body is located the second recess. This technical scheme adopts insulating two pearls to match soft plug to seal, although can play bulb insulation and waterproof effect, when the bulb installs the resistance additional, the resistance only can rely on the supporting role of seal wire to install in the plastic shell, and the resistance is because of not spacing and fixed, shifts easily, influences the use and the life of bulb. In view of this, the inventors have made a new utility model.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the resistor clamping waterproof LED bulb which has the characteristics of convenience and rapidness in resistor assembly and long service life.

In order to achieve the above purpose, the utility model provides a resistance clamping waterproof LED bulb, which comprises a lamp cap, a bulb shell connected with the lamp cap, and a stem assembly, wherein the stem assembly comprises a rubber seat, at least one resistor a, a first metal wire, an LED luminous body and a second metal wire which are electrically connected in sequence; the rubber seat is matched with the opening of the bulb shell, a filling concave position is formed between the rubber seat and the opening of the bulb shell, and a sealing adhesive layer for sealing and waterproofing is arranged at the filling concave position; the rubber seat is at least provided with a first wire guide hole and a second wire guide hole, the rubber seat is also provided with a first clamping position, the first clamping position is communicated with the first wire guide hole, the resistor a is clamped and fixed in the first clamping position, one end of the resistor a is electrically connected with a first metal wire, the other end of the resistor a is electrically connected with a third metal wire, and the third metal wire extends out of the first clamping position and is electrically connected with the lamp cap; the LED luminous body is located at the top of the rubber seat and in the bulb shell, one end of the first metal wire penetrates through the first wire guide hole and is electrically connected with the LED luminous body, one end of the second metal wire penetrates through the second wire guide hole and is electrically connected with the LED luminous body, and the other end of the second metal wire is electrically connected with the lamp cap.

Further, the rubber seat is provided with a second clamping position, and the second wire guide hole is communicated with the second clamping position; the second metal wire is electrically connected with a resistor b, and the resistor b is clamped and fixed in a second clamping position.

Preferably, the outer ends of the first clamping position and the second clamping position are provided with annular inclined guide parts which are convenient for the resistor to be arranged in the clamping position, and the outer ends of the first clamping position and the second clamping position are also provided with grooves.

Further, the LED luminous body is an LED lamp strip or a PCB light source board, and at least one LED lamp bead is arranged on the upper surface of the PCB light source board.

Further, the rubber seat comprises a cylindrical portion connected with the opening of the bulb shell, a supporting portion is arranged at the upper end of the cylindrical portion, and the first wire guide and the second wire guide are both arranged on the supporting portion.

Preferably, the two side walls of the supporting part are obliquely arranged.

Preferably, the supporting portion is in a U-shaped arrangement, and the first metal wire and the second metal wire respectively penetrate through two side arms of the U-shaped supporting portion.

Preferably, the bottom of the cylindrical part is symmetrically provided with at least two elastic abutting parts which can mutually abut against the inner side of the opening part of the bulb shell.

Preferably, the cylindrical portion is provided with a first void and a second void.

Further, the sealant layer is level with the bulb shell port.

The beneficial effects are that: compared with the prior art, the utility model relates to a resistance clamping waterproof LED bulb which comprises a lamp cap, a bulb shell connected with the lamp cap and a stem assembly, wherein the stem assembly comprises a rubber seat, at least one resistor a, a first metal wire, an LED luminous body and a second metal wire which are electrically connected in sequence; the rubber seat is matched with the opening of the bulb shell, a filling concave position is formed between the rubber seat and the opening of the bulb shell, and a sealing adhesive layer for sealing and waterproofing is arranged at the filling concave position; the utility model has the following advantages: 1. the clamping position capable of being directly clamped with the resistor is arranged in the rubber seat, so that the resistor is convenient to install and the assembly forming process of the bulb is simplified; 2. the sealing isolation type waterproof of the bulb is realized, and the waterproof performance of the bulb is greatly improved; 3. the whole bulb has a simple structure, not only can realize high waterproof performance of the bulb, but also can not increase the production cost of the bulb; 4. the top of the rubber seat can be U-shaped, so that raw materials are effectively saved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic diagram of a filled pit according to the present utility model.

Fig. 3 is a schematic structural diagram of a sealant layer according to the present utility model.

Fig. 4 is a schematic structural diagram of an embodiment of a stem assembly according to the present utility model.

Fig. 5 is a schematic structural view of another embodiment of the stem assembly of the present utility model.

Fig. 6 is a schematic view of the internal structure of the rubber seat according to the present utility model.

Fig. 7 is a schematic view of the support structure of the present utility model.

Fig. 8 is a schematic view of the cylindrical portion structure of the present utility model.

Fig. 9 is a schematic structural view of an embodiment of the bulb according to the present utility model.

Fig. 10 is a schematic structural view of another embodiment of the bulb according to the present utility model.

Fig. 11 is a schematic structural view of a further embodiment of the bulb according to the present utility model.

The reference numerals include:

the lamp comprises a lamp cap-1, a bulb shell-2, a stem assembly-3, a rubber seat-31, a first wire hole-311, a second wire hole-312, a first clamping position-313, a second clamping position-314, an annular inclined guide part-315, a cylindrical part-316, a supporting part-317, a side wall-318, a gap-319, a resistor a-32, a first metal wire-33, an LED illuminant-34, a second metal wire-35, a third metal wire-36, a resistor b-37, a filling concave position-4, a sealing glue layer-41, a groove-5, an LED lamp strip-6, a PCB light source board-7, an LED lamp bead-71, an IC controller-72, an elastic abutting part-8, a first gap-9, a second gap-10 and a gap-11.

Detailed Description

The present utility model will be described in detail with reference to fig. 1 to 11.

The utility model relates to a resistance clamping waterproof LED bulb which comprises a lamp cap 1, a bulb shell 2 connected with the lamp cap 1 and a stem assembly 3, wherein the stem assembly 3 comprises a rubber seat 31, at least one resistor a32, a first metal wire 33, an LED luminous body 34 and a second metal wire 35 which are electrically connected in sequence; the rubber seat 31 is matched with the opening of the bulb shell 2, a filling concave position 4 is formed at the opening of the rubber seat 31 and the opening of the bulb shell 2, and a sealing adhesive layer 41 for sealing and waterproofing is arranged at the filling concave position 4; the rubber seat 31 is provided with at least a first wire hole 311 and a second wire hole 312, the rubber seat 31 is further provided with a first clamping position 313, the first clamping position 313 is communicated with the first wire hole 311, the resistor a32 is clamped and fixed in the first clamping position 313, one end of the resistor a32 is electrically connected with the first metal wire 33, the other end of the resistor a32 is electrically connected with a third metal wire 36, and the third metal wire 36 extends out of the first clamping position 313 and is electrically connected with the lamp cap 1; the LED light 34 is located at the top of the plastic base 31 and inside the bulb 2, one end of the first metal wire 33 passes through the first wire hole 311 and is electrically connected to the LED light 34, one end of the second metal wire 35 passes through the second wire hole 312 and is electrically connected to the LED light 34, and the other end is electrically connected to the lamp cap 1.

To prevent the light-emitting lamp body from being damaged due to excessive current or heat dissipation problems, a resistor is usually installed inside the bulb to prolong the service life of the bulb. According to the utility model, the opening of the bulb shell 2 and the rubber seat 31 are utilized to form the filling concave position 4 and fill the sealing adhesive layer 41 to realize sealing isolation type waterproof of the bulb, meanwhile, the rubber seat 31 is provided with the first clamping position 313 for clamping the resistor, the resistor a32 is directly fixed by the first clamping position 313 without being fixed through the sealing adhesive layer 41, so that the bulb resistor is more convenient and quick to install, on the other hand, after the resistor a32 is clamped into the first clamping position 313, the first metal wire 33 and the third metal wire 36 are also fixed at the same time, the metal wire is not required to be fixed through the mode of crimping the supporting part 317 and the like above the rubber seat 31, the bulb production process is simplified, and the production cost is further saved.

In this technical solution, when the bulb is a dual-resistor technical solution, the rubber seat 31 is further provided with a second clamping position 314, and the second wire guide 312 is communicated with the second clamping position 314; the second metal wire 35 is electrically connected to a resistor b37, and the resistor b37 is clamped and fixed in the second clamping position 314. The second clamping position 314 has the same structure as the first clamping position 313, and is convenient for the second metal wire 35 to assemble the resistor b37 and fix the second metal wire 35.

Preferably, the outer ends of the first detent 313 and the second detent 314 are provided with an annular inclined guide portion 315 for facilitating the installation of the resistor into the detent, and the annular inclined guide portion 315 increases the detent opening to guide the resistor into the detent when the resistor is assembled from bottom to top. Meanwhile, the outer ends of the first clamping position 313 and the second clamping position 314 are further provided with the groove 5, so that when the first clamping position 313 and the second clamping position 314 are sealed by the coating sealant layer 41, the glue accumulation is facilitated by the groove 5, the sealing effect is better, in addition, in the assembly or automatic assembly process, the assembly redundancy of the resistor is facilitated, and the assembly accuracy is improved.

In this embodiment, the LED luminary 34 may be implemented in two ways, that is, an embodiment of the LED light bar 6 and an embodiment of the PCB light source board 7, as shown in fig. 4 and 5, where fig. 11 is a dual-light bar embodiment. In the embodiment of the PCB light source board 7, at least one LED lamp bead 71 is disposed on the upper surface of the PCB light source board 7, and the PCB light source board 7 is further provided with an IC controller 72 for rectifying and reducing the voltage of the LED lamp bead 71.

As an embodiment, as shown in fig. 4, the glue seat 31 includes a cylindrical portion 316 connected to the mouth of the bulb 2, a supporting portion 317 is disposed at the upper end of the cylindrical portion 316, and the first wire guide 311 and the second wire guide 312 are disposed on the supporting portion 317. When the bulb is assembled automatically, the supporting part 317 is provided with a plane part, so that the manipulator is convenient to grasp and directionally convey the rubber seat 31, and the assembly efficiency is effectively improved. The LED luminary 34 is disposed above the support 317 and extends into the bulb 2. When the LED light 34 is the PCB light source board 7, the supporting portion 317 plays a supporting role for the PCB light source board 7.

Preferably, the two side walls 318 of the supporting portion 317 are disposed obliquely. In the process of assembling the rubber seat 31 into the mouth part of the bulb shell 2 by utilizing automatic equipment, when the position of the rubber seat 31 and the position of the mouth part of the bulb shell 2 are slightly deviated, the inclined side wall 318 can guide the rubber seat 31 to be assembled into the bulb shell 2, so that the rubber seat 31 can be still assembled smoothly, and the assembly efficiency of the rubber seat 31 is improved.

As a further embodiment, as shown in fig. 5, the supporting portion 317 is provided in a U shape, i.e. a portion of the material is removed from the middle of the supporting portion 317 to form a U shape, so as to further save raw materials, and the first metal wire 33 and the second metal wire 35 respectively pass through two side arms of the U-shaped supporting portion 317 to be electrically connected with the LED light emitting body 34. When the LED light 34 is the PCB light source 7, the concave portion in the middle of the U-shaped support 317 may also be used to accommodate the IC controller 72, and limit and fix the IC controller 72. The middle part of the U-shaped supporting part 317 is also provided with a gap 319, and the gap 319 can save raw materials or be used for plugging in a lamp panel.

As another embodiment, as shown in fig. 7, when the size of the manufactured bulb is smaller, the difficulty is greater when the first wire guide 311 and the second wire guide 312 are automatically injection molded due to the small size of the plastic base 31, and the manufacturing cost is higher, so that the inventor can make the first wire guide 311 and the second wire guide 312 into an open slot shape when manufacturing the small size plastic base 31, and can limit the metal wires, thereby solving the above production problems, simplifying the process, and reducing the production cost.

In order to further improve the technical solution, at least two elastic abutting portions 8 capable of abutting against the inner side of the mouth portion of the bulb 2 are symmetrically arranged at the bottom of the cylindrical portion 316. When the rubber seat 31 is plugged into the opening of the bulb shell 2 and sinks to form the filling concave position 4, the elastic abutting part 8 is tightly matched with the opening of the bulb shell 2 to assist in fixing the position of the rubber seat 31, and the rubber seat 31 can be effectively prevented from falling into the bulb shell 2 directly when the opening of the bulb shell 2 deviates from the size of the rubber seat 31, so that the assembly efficiency and the yield of the bulb are improved.

Preferably, the bottom of the cylindrical portion 316 is further provided with a first void 9 and a second void 10. The first vacancy 9 and the second vacancy 10 have two functions, namely, the manufacturing material of the rubber seat 31 is further saved, and the production cost is reduced; secondly, the first vacancy 9 and the second vacancy 10 can provide buffer space for the elastic abutting part 8, when the elastic abutting part 8 is installed in the opening of the bulb shell 2, the elastic abutting part 8 can elastically shrink to the positions of the two vacancy directions under the action of the wall of the bulb shell 2, so that the elastic abutting part 8 is installed in the bulb shell 2 and is tightly matched with the opening of the bulb shell 2 to fix the position of the rubber seat 31.

As yet another embodiment, as shown in fig. 5, a gap 11 may be further provided on the elastic abutment so that the elastic abutment portion 8 is movably provided on the cylindrical portion 316.

In the manufacturing process of the bulb, the inventor further controls the height of the sealing glue layer 41 to be just flush with the port of the bulb shell 2, so that material waste caused by glue overflow is avoided, and the influence of the sealing glue layer 41 on the electric connection between the bulb shell 2 and the lamp cap 1 can also be avoided.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. The utility model provides a waterproof LED bulb of resistance joint formula, includes lamp holder (1) and bulb shell (2) be connected with lamp holder (1), its characterized in that: the LED lamp further comprises a core column assembly (3), wherein the core column assembly (3) comprises a rubber seat (31), at least one resistor a (32), and a first metal wire (33), an LED luminous body (34) and a second metal wire (35) which are electrically connected in sequence; the rubber seat (31) is matched with the opening of the bulb shell (2), a filling concave position (4) is formed at the opening of the rubber seat (31) and the opening of the bulb shell (2), and a sealing adhesive layer (41) for sealing and waterproofing is arranged at the filling concave position (4); the plastic seat (31) is at least provided with a first wire guide hole (311) and a second wire guide hole (312), the plastic seat (31) is also provided with a first clamping position (313), the first clamping position (313) is communicated with the first wire guide hole (311), the resistor a (32) is clamped and fixed in the first clamping position (313), one end of the resistor a (32) is electrically connected with the first metal wire (33), the other end of the resistor a (32) is electrically connected with a third metal wire (36), and the third metal wire (36) extends out of the first clamping position (313) and is electrically connected with the lamp cap (1); the LED luminous body (34) is located at the top of the rubber seat (31) and in the bulb shell (2), one end of the first metal wire (33) penetrates through the first wire guide hole (311) and is electrically connected with the LED luminous body (34), one end of the second metal wire (35) penetrates through the second wire guide hole (312) and is electrically connected with the LED luminous body (34), and the other end of the second metal wire is electrically connected with the lamp cap (1).

2. The resistance-clip waterproof LED bulb of claim 1, wherein: the rubber seat (31) is provided with a second clamping position (314), and the second wire guide (312) is communicated with the second clamping position (314); the second metal wire (35) is electrically connected with a resistor b (37), and the resistor b (37) is clamped and fixed in the second clamping position (314).

3. The resistance-clip-on waterproof LED bulb of claim 2, wherein: the outer ends of the first clamping position (313) and the second clamping position (314) are provided with annular inclined guide parts (315) which are convenient for loading resistors into the clamping positions, and the outer ends of the first clamping position (313) and the second clamping position (314) are also provided with grooves (5).

4. The resistance-clip waterproof LED bulb of claim 1, wherein: the LED luminous body (34) is an LED lamp strip (6) or a PCB light source board (7), and at least one LED lamp bead (71) is arranged on the upper surface of the PCB light source board (7).

5. The resistance-clip waterproof LED bulb of claim 1, wherein: the rubber seat (31) comprises a cylindrical portion (316) connected with the opening of the bulb shell (2), a supporting portion (317) is arranged at the upper end of the cylindrical portion (316), and the first wire guide (311) and the second wire guide (312) are both arranged on the supporting portion (317).

6. The resistance card type waterproof LED bulb according to claim 5, wherein: the two side walls (318) of the supporting part (317) are obliquely arranged.

7. The resistance clip-on waterproof LED bulb of claim 6, wherein: the supporting part (317) is U-shaped, and the first metal wire (33) and the second metal wire (35) respectively penetrate through two side arms of the U-shaped supporting part (317).

8. The resistance card type waterproof LED bulb according to claim 5, wherein: at least two elastic abutting parts (8) which can mutually abut against the inner side of the opening part of the bulb shell (2) are symmetrically arranged at the bottom of the cylindrical part (316).

9. The resistance clip-on waterproof LED bulb of claim 8, wherein: the cylindrical portion (316) is provided with a first void (9) and a second void (10).

10. The resistor-clip-on waterproof LED bulb according to any one of claims 1 to 9, wherein: the sealing glue layer (41) is parallel to the port of the bulb shell (2).