CN202008000U - LED electric torch - Google Patents

Abstract

The utility model discloses an LED torch, which comprises a cylinder body, an LED lamp cap assembly, a lamp cup, a front cover, a lens, a switch assembly and a tail cap, and the LED lamp cap assembly includes an LED lamp, a circuit board, a collar, and an LED lamp installation cavity , the circuit board is fixed in the rear cavity of the LED lamp installation cavity through a collar, and the collar and the LED lamp installation cavity are fixed and connected with uniformly distributed screws, and the collar and the circuit board are welded together. The circuit board is also fixedly connected with a spring, and the switch assembly includes a fixed ring, a switch button, an insulating sheet, a spring cap, a spring, and a fixing piece, and the switch button, the insulating sheet, the spring cap, and the spring are installed in the fixing ring through the fixing piece, Evenly distributed screws are used to fix the connection between the fixed ring and the tail cap. The utility model effectively prevents the LED torch from loosening the collar itself when vibrating, and ensures the circuit contact and conductive performance. In addition, the switch assembly of the torch can also effectively prevent the structure of the switch assembly from loosening under the state of vibration and knocking.

Description

A kind of LED torch

technical field

The utility model relates to the technical field of torches, in particular to the technology of LED torches.

Background technique

Many existing torches use LEDs as the illuminant, that is, an LED light set device is provided on the lamp head. This LED light set device includes an LED light, a circuit board, a collar, a spring, and an LED light installation cavity. It is fixed at the front end of the LED lamp housing cavity, and the circuit board is fixed at the rear end of the LED lamp housing cavity through a collar. The external thread is processed on the top, and then screwed into the cavity of the LED lamp housing. This fixing method will cause the defect of loosening itself when vibrating.

In addition, the switch assembly of the existing flashlight generally includes a fixed ring, a switch button, an insulating sheet, a spring cap, a spring, and a fixing piece. The fixing method between the ring and the LED lamp housing cavity adopts the threaded connection method, which is to process the external thread on the fixing ring and then screw it in the housing. This fixing method also has the problem that the structure itself is easy to loose when it vibrates. .

Contents of the invention

The purpose of the utility model is to provide an LED torch which can effectively prevent the collar from loosening itself during vibration.

A further purpose is to ensure that the circuit has good contact and good electrical conductivity.

A further purpose is to effectively prevent the switch assembly from loosening when the torch switch assembly is in the state of vibration and knocking, so as to ensure that the switch does not fail.

The purpose of this utility model is achieved through the following technical solutions.

An LED torch, comprising a barrel body, an LED lamp cap assembly, a lamp cup, a front cover, a lens, a switch assembly and a tail cap, the LED lamp cap assembly includes an LED lamp, a circuit board, a collar, and an LED lamp installation cavity, and the front cover is screwed Connected to the LED lamp installation cavity, the LED lamp installation cavity is screwed and fixedly connected to the cylinder body, the LED lamp installation cavity is provided with a front cavity and a rear cavity, the front cover, the lens and the front cavity of the LED lamp installation cavity together form a Sealed cavity, the lamp cup and LED lamp are fixed in the sealed cavity, the rear cavity in the LED lamp installation cavity communicates with the body cavity, and the feature is that the circuit board is fixed in the rear cavity of the LED lamp installation cavity by a collar , The collar and the LED lamp installation cavity are fixed and connected with evenly distributed screws.

The collar and the circuit board are welded into one body, and a spring is fixedly connected to the circuit board, and the spring faces the body cavity.

There are at least 3 screws evenly distributed between the collar and the LED lamp installation cavity.

The switch assembly includes a fixed ring, a switch button, an insulating sheet, a spring cap, a spring, and a fixing piece. Distributed screw fastening connections.

The tail end of the tail cap is provided with a plastic button cap.

A plastic rubber ring is installed on the end face of the fixing member.

There are at least 3 screws evenly distributed between the fixed ring and the tail cap.

The front end surface of the cylinder body is in surface contact with the LED lamp installation cavity and the collar, and the rear end surface of the cylinder body is in surface contact with the fixing ring.

Compared with the prior art, the utility model has the following advantages:

1) The LED lamp installation cavity structure in this utility model replaces the circuit board fixing method in the prior art. In the prior art, the external thread is processed on the collar and then screwed into the housing, but now it is in the collar The method of evenly screwing on the top prevents the problem of loosening of the structure itself during vibration, and the collar and the circuit board are connected as one by welding, which avoids the phenomenon of poor contact and conduction during use or vibration.

2) The structure of the switch assembly in this utility model replaces the switch fixing method in the prior art. In the prior art, the outer thread is processed on the fixing ring and then screwed into the housing, but now the screw is evenly screwed on the fixing ring The method prevents the problem that the structure itself becomes loose when vibrating. According to the technical solution of the utility model, the structure of the switch assembly is as follows: a switch is placed in the collar, and then an insulating sheet, a spring, and a spring cap are put in, and then twisted. Lower the plastic ring to press these parts into the collar to open a small switch assembly, then put the rubber cap inside the switch shell, then put this small switch assembly, and screw it on, the switch assembly will not loosen at this time .

3) Overall connection: the cylinder body and the LED light installation cavity at the front end and the switch part at the rear end all adopt end-face contact conduction, which replaces the traditional thread conduction method, so that the thread can be oxidized and hardened, and it is also wear-resistant, improving the overall lifespan.

Description of drawings

Fig. 1 is the assembly diagram of the utility model LED torch;

Fig. 2 is a schematic diagram of a cut-away structure in the LED torch of the present invention;

Fig. 3 is a schematic diagram of the decomposition structure of the LED lamp head assembly of the LED torch of the present invention;

Fig. 4 is a bottom view of the assembled LED lamp head assembly of the LED torch of the present invention;

Fig. 5 is a schematic diagram of the centered section structure of the LED lamp head assembly of the LED torch of the present invention after assembly;

Fig. 6 is a schematic diagram of the exploded structure of the switch assembly of the utility model LED torch;

Fig. 7 is a top view of the assembled switch assembly of the LED torch of the present invention;

Fig. 8 is a schematic diagram of a centered cutaway structure of the assembled switch assembly of the LED torch of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model LED torch is described in further detail.

As shown in Figure 1-2, the LED torch of the present invention includes a cylinder body 1, a front cover 2, a lamp cup 3, an LED lamp cap assembly 4, a switch assembly 5, a lens 31 and a tail cap 6, and the LED lamp cap assembly 4 includes an LED lamp 41. The LED lamp installation cavity 42, the circuit board 43 and the collar 44, the front cover 2 is fixedly connected to the LED lamp installation cavity 42 by the sealing thread, the LED lamp installation cavity 42 is fixedly connected to the cylinder body 1 by the sealing thread, the LED The lamp installation cavity 42 is provided with a front cavity and a rear cavity. The front cover 2, the lens 31 and the front cavity of the LED lamp installation cavity 42 form a sealed cavity together. The lamp cup 3 and the LED lamp 41 are fixed in the sealed cavity. The rear cavity in the lamp installation cavity 42 communicates with the inner cavity of the cylinder body 1 .

The following is the specific structure of the LED lamp holder assembly: as shown in Figure 3-5, the LED lamp installation cavity 42 is the lamp holder cavity, the LED lamp installation cavity 42 is in the shape of a cylinder, and the LED lamp installation cavity 42 is provided with front, The rear two cavities are provided with through screw holes between the front and rear two cavities. The LED lamp 41 is fixed in the front cavity of the LED lamp installation cavity 42 through the lamp board 48, and the circuit board 43 is fixed in the LED lamp through the collar 44. In the rear cavity of the installation cavity 42, the circuit board 43 is fixedly connected with a spring 45, and the collar 44 is fixedly connected with the LED lamp installation cavity 42 with evenly distributed screws 46. If the screw is provided with 3 or 4 grains, it prevents the The problem of the structure loosening itself when vibrating. In order to avoid poor contact and poor conduction during use or vibration, the collar 44 and the circuit board 43 are connected as one by welding, and a welding point 47 is shown in FIG. 5 .

The following is the specific structure of the switch assembly: as shown in Figure 6-8, the switch assembly includes a fixed ring 52, a switch button 53, an insulating sheet 58, a spring cap 54, a spring 55, and a fixing piece 56. The fixed ring 52 is composed of a cylinder body and The ring portion of the mouth of the cylinder body is formed, and the switch button 53, the insulating sheet 58, the spring cap 54 and the spring 55 are installed in the cylinder body of the fixed ring 52 through the fixing piece 56, wherein the ring portion 52 of the fixed ring and the tail cap 6 are evenly spaced. Distributed screws 51 are fixedly connected. A plastic button cap 50 is provided at the tail end of the tail cap 6 . A plastic rubber ring 57 is installed on the end face of the fixing member 56, and at least 3 screws are provided. It can be seen that the utility model is to pack the switch button 53 in the fixed ring 52, then put the insulating sheet 58, the spring 55, the spring cap 54, and screw the fixed part 56 with the fixed ring 52 to fix it, and then press down the plastic glue Circle 57, so just formed a switch assembly, put into plastic button cap 50 then in tail cap 6 inside, put into this switch assembly again, stamp screw 51, switch assembly just can not loosen like this. The LED flashlight of the utility model replaces the original switch fixing method, that is, the original method of processing the external thread on the collar and then screwing it into the housing, which effectively prevents the problem that the structure itself becomes loose during vibration.

Wherein the front end surface of the cylinder body 1 is in surface contact with the LED lamp installation cavity 42 and the collar 44, and the rear end surface of the cylinder body 1 is in surface contact with the fixing ring 52, so that the thread can be oxidized and hardened, and Wear resistant, improving overall lifespan.

Claims (8)

1. An LED torch, comprising a cylinder body, an LED lamp cap assembly, a lamp cup, a front cover, a lens, a switch assembly and a tail cap, and the LED lamp cap assembly includes an LED lamp, a circuit board, a collar, an LED lamp mounting cavity, and a front cover The thread is fixedly connected to the LED lamp installation cavity, and the LED lamp installation cavity is screwed and fixedly connected to the cylinder body. The LED lamp installation cavity is provided with a front cavity and a rear cavity, and the front cover and the lens are together with the front cavity of the LED lamp installation cavity. A sealed cavity is formed, the lamp cup and the LED lamp are fixed in the sealed cavity, and the rear cavity in the LED lamp installation cavity communicates with the body cavity, and the feature is that the circuit board is fixed at the rear of the LED lamp installation cavity by a collar In the cavity, evenly distributed screws are used to fix the connection between the collar and the LED lamp installation cavity. 2 . The LED torch according to claim 1 , wherein the collar and the circuit board are welded together, and a spring is fixedly connected to the circuit board, and the spring faces the barrel cavity. 3. The LED torch according to claim 1 or 2, characterized in that there are at least 3 screws evenly distributed between the collar and the LED lamp installation cavity. 4. The LED flashlight according to claim 1, characterized in that: the switch assembly includes a fixed ring, a switch button, an insulating sheet, a spring cap, a spring, and a fixing piece, and the switch button, the insulating sheet, the spring cap, and the spring are fixed by The parts are installed in the fixed ring, and the fixed ring and the tail cover are fixedly connected with evenly distributed screws. 5. The LED torch according to claim 4, characterized in that: the tail end of the tail cap is provided with a plastic button cap. 6. The LED torch according to claim 4, characterized in that: a plastic rubber ring is installed on the end surface of the fixing member. 7. The LED torch according to claim 4, characterized in that there are at least 3 screws evenly distributed between the fixing ring and the tail cap. 8. The LED torch according to claim 1, 2 or 4, characterized in that: the front end of the barrel is in surface contact with the LED lamp installation cavity and the collar, and the rear end of the barrel is in contact with the fixing ring. There is surface contact between them.

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