CN203010219U

CN203010219U - Flashlight

Info

Publication number: CN203010219U
Application number: CN 201320039914
Authority: CN
Inventors: 成钦日
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-24
Filing date: 2013-01-24
Publication date: 2013-06-19
Anticipated expiration: 2023-01-24

Abstract

The utility model provides a flashlight. The flashlight comprises a cylindrical shell for containing batteries, a lamp holder sleeve installed on the upper end portion of the shell, a lamp holder fixed inside the lamp holder sleeve, a light source fixedly arranged on the lamp holder, a reflection cup connected on the lamp holder, and a front end seat sleeved outside the lamp holder sleeve in a sliding mode. A convex lens for closing the reflection cup and the light source on the inner side of the front end seat is fixedly installed on the upper end portion of the front end seat. A supporting portion is formed on the edge of the reflection cup, a reflection cover is arranged between the reflection cup and the convex lens in a detachable mode, a reflection surface used for emitting emitted light rays of the light source is formed on the inner surface of the reflection cover, and the reflection cover is arranged between the supporting portion and the convex lens in a clamping mode. Compared with the prior art, the flashlight can achieve conversion of a variable-focus flashlight and a fixed-focus flashlight and has two functions at the same time, and cost is reduced for users. Meanwhile, conversion can be achieved by dismantling or installing the reflection cover simply, and operation is simple.

Description

A kind of flashlight

Technical field

The utility model relates to a kind of illuminations, is specifically related to a kind of flashlight.

Background technology

Flashlight, as a kind of hand-held illuminations easily, is applied to all trades and professions.Glare light electric torch on existing market, its illuminating effect is comparatively single, and a kind of is varifocal flashlight, and a kind of is the flashlight of fixed focal length.

The light source of varifocal flashlight can be relatively thereon convex lens in the axial activity of flashlight, in use, be built-in with the front end seat of convex lens along the axis slip flashlight front end of flashlight, change the position of light source on the convex lens axis, thereby form the illuminating effect of floodlight and focusing.The flashlight of fixed focal length is that the light of light source is penetrated on an axis that is fixed in reflector (being generally the focus place that is fixed on reflector), and it only can form a kind of illuminating effect.

The illuminating effect of above two kinds of flashlights is different, and at present, while needing two kinds of different illuminating effects, the consumer just must buy two kinds of flashlights, has both increased consumer's cost, also is inconvenient to use.

The utility model content

For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of flashlight, and it can realize the simple conversion of varifocal flashlight and fixed focal length flashlight, reduces consumer's cost, simultaneously easy to use again.

For achieving the above object, the utility model adopts following technical scheme:

A kind of flashlight, comprise for holding the tubular shell of battery, be arranged on the lamp holder sleeve of housing upper end, be fixed on the lamp socket in lamp holder sleeve, be fixedly mounted on the light source on lamp socket, be connected to the reflector on lamp socket, the front end seat that is socketed in the lamp holder sleeve outside slided, the upper end of this front end seat is installed with one reflector and light source is sealed on to its inboard convex lens, the edge of reflector forms a support portion, and dismountable reflector that is equipped with between reflector and convex lens, the reflector inner surface forms a reflective surface emitted beam for transmitting illuminant, reflector is fastened between support portion and convex lens.

Reflector is placed on reflector, the bottom of reflector is the taper section that a diameter from top to bottom reduces successively, this taper section cross-under is in reflector, and the bottom diameter of taper section is less than the diameter of the less end opening of reflector, and light source is placed in the open-ended inboard of taper subordinate.

Reflective surface is up big and down small taper reflective surface.

Reflector is screwed onto the upper end of lamp socket.

The inwall of this installing plate and lamp socket surrounds a groove that is positioned at the lamp socket front end, and light source is arranged on installing plate, and the inwall of groove is provided with internal thread, and the outer setting of reflector has the external screw thread with the internal thread coupling.

The outer setting of lamp holder sleeve has an annular groove, is equipped with a stop cushion rubber in this annular groove, and the front end seat is installed with in the outside of stop cushion rubber.

The upper end of front end seat is bolted with an end cap, and the edge of convex lens is installed between front end seat and end cap.

The beneficial effects of the utility model are:

Than prior art, flashlight of the present utility model can be realized the conversion of varifocal flashlight and fixed focal length flashlight, makes flashlight possess two kinds of functions simultaneously, reduced user's cost, simultaneously, only need simple dismounting or reflector be installed and just can be realized conversion, simple to operate.

The accompanying drawing explanation

Fig. 1 is the structural representation of the utility model as the fixed focal length flashlight;

Fig. 2 is the structural representation of the utility model as the variable focal length flashlight;

Wherein: 1, housing; 2, lamp holder sleeve; 3, lamp socket; 31, installing plate; 4, front end seat; 41, end cap; 42, convex lens; 43, stop cushion rubber; 5, reflector; 51, support portion; 6, reflector; 61, taper section.

The specific embodiment

Below, by reference to the accompanying drawings and the specific embodiment, the utility model is described further:

As shown in Figure 1, flashlight of the present utility model comprises, for holding battery and tubular housing 1, with screw thread, fixing mode is connected to the lamp holder sleeve 2 of housing 1 upper end, with screw thread, fixing mode is arranged on the lamp socket 3 of lamp holder sleeve 2 inside, be fixedly mounted on the light source (not shown) on lamp socket 3, be fixedly connected on the reflector 5 of lamp socket 3 upper ends, the front end seat 4 that is socketed in lamp holder sleeve 2 outsides slided, the upper end of front end seat 4 is installed with one reflector 5 and light source is sealed on to its inboard convex lens 42.Lamp socket 3 inside have an installing plate 31, light source is fixedly mounted on this installing plate 31, and the light of light source penetrates direction towards top, the outer surface of above-mentioned reflector 5 is provided with external screw thread, the inwall that lamp socket 3 is positioned at installing plate 31 tops is provided with the internal thread with the external screw thread coupling of reflector 5 outsides, and reflector 5 is fixed on lamp socket 3 upper ends by the mode be spirally connected, and, can be by being threaded of reflector 5 and lamp socket 3, adjust the distance of reflector 5 and light source.The lower openings of reflector 5 is disposed the outer rim in light source, the light that its inner parabola surface of emission can reflection source be sent.The edge at reflector 5 upper opening places stretches out and forms a support portion 51, after reflector 5 and lamp socket 3 are spirally connected and put in place, the upper surface laminating of the lower surface of support portion 51 and lamp socket 3, dismountable reflector 6 that is equipped with between reflector 5 and convex lens 42, this reflector 6 is fastened between support portion 51 and convex lens 42, it is the upper surface of the laminating support portion, lower surface 51 of reflector 6, the lower surface of its upper surface laminating convex lens 42, thus, make the reflector 6 can not be with respect to the light source activity.

The inner surface of reflector 6 of the present utility model is the reflective surface that is taper, and its opening is up big and down small, in the situation that reflector 6 is installed, the light that light source penetrates penetrates from convex lens 42 after reflecting via the reflective surface in reflector 6.The lower end of reflector 6 has a taper section 61, the diameter of this taper section 61 from top to bottom reduces successively, and this taper section 61 diameter bottom is less than the diameter of reflector 5 lower openings (less end opening), make reflector 6 after being installed between reflector 5 and convex lens 42, the taper section 61 of its underpart can penetrate in the lower openings of reflector 5, and light source is placed in taper section 61 underpart openings, the light that reflective surface in reflector 6 can reflection source be sent.

In the utility model, the upper end of front end seat 4 is bolted with an end cap 41, and the edge of convex lens 42 is installed between front end seat 4 and end cap 41, when reality is used, can be changed convex lens 42.As shown in Figure 1, while using as the fixed focal length flashlight, above-mentioned convex lens 42 can be replaced by a light transmission glass plate.

It is more than the situation that the utility model is used as the fixed focal length flashlight, referring to Fig. 2, the utility model can also be by simple conversion, as varifocal flashlight, use, concrete is that above-mentioned reflector 6 is disassembled, reserved front end seat 4 is with respect to lamp socket 3 space in axial sliding, and front and back pull front end seat 4, and convex lens 42 are moved at axis direction with respect to light source.In order to keep convex lens 42 constant with the distance of light source at any moving position, outer peripheral edges at lamp holder sleeve 2 are provided with annular groove, be equipped with a stop cushion rubber 43 in this annular groove, front end seat 4 is installed with in the outside of stop cushion rubber 43, stop cushion rubber 43 is under the pressuring action of lamp holder sleeve 2 and front end seat 4, deformation occurs, when not being subject to external force, the deformation that stop cushion rubber 43 produces produces certain pressure to lamp holder sleeve 2 and front end seat 4, thereby produces certain frictional force with lamp holder sleeve 2 and front end seat 4 respectively.

To one skilled in the art, can make other various corresponding changes and deformation according to technical scheme described above and design, and within these all changes and deformation all should belong to the protection domain of the utility model claim.

Claims

1. a flashlight, it is characterized in that, comprise for holding the tubular shell of battery, be arranged on the lamp holder sleeve of housing upper end, be fixed on the lamp socket in lamp holder sleeve, be fixedly mounted on the light source on lamp socket, be connected to the reflector on lamp socket, the front end seat that is socketed in the lamp holder sleeve outside slided, the upper end of this front end seat is installed with one reflector and light source is sealed on to its inboard convex lens, the edge of reflector forms a support portion, and dismountable reflector that is equipped with between reflector and convex lens, the reflector inner surface forms a reflective surface emitted beam for transmitting illuminant, reflector is fastened between support portion and convex lens.

2. flashlight as claimed in claim 1, it is characterized in that, reflector is placed on reflector, the bottom of reflector is the taper section that a diameter from top to bottom reduces successively, this taper section cross-under is in reflector, and the bottom diameter of taper section is less than the diameter of the less end opening of reflector, light source is placed in the open-ended inboard of taper subordinate.

3. flashlight as claimed in claim 1, is characterized in that, reflective surface is up big and down small taper reflective surface.

4. flashlight as claimed in claim 1, is characterized in that, reflector is screwed onto the upper end of lamp socket.

5. flashlight as claimed in claim 4, it is characterized in that, there is an installing plate in lamp socket, the inwall of this installing plate and lamp socket surrounds a groove that is positioned at the lamp socket front end, light source is arranged on installing plate, the inwall of groove is provided with internal thread, and the outer setting of reflector has the external screw thread with the internal thread coupling.

6. flashlight as claimed in claim 1, is characterized in that, the outer setting of lamp holder sleeve has an annular groove, is equipped with a stop cushion rubber in this annular groove, and the front end seat is installed with in the outside of stop cushion rubber.

7. flashlight as claimed in claim 1, is characterized in that, the upper end of front end seat is bolted with an end cap, and the edge of convex lens is installed between front end seat and end cap.