The stepless dimming torch
Technical field
The utility model relates to a kind of stepless dimming torch.
Background technology
Indispensable commodity during the torch person of being to use lives.For the torch of selling on the market at present, generally LED is moved up and down in reflector, thereby regulate spot size by the rotation screw thread or with push-pull fashion.But, as everyone knows, exist many shortcomings for such torch, for example, in rotation screw thread or push-and-pull process, make the isolation of components of torch easily, cause missing parts; Can't realize continuous light tuning; And adopt push-pull fashion to be difficult to obtain the hot spot of needs usually.
Therefore, be necessary to develop a kind of stepless dimming torch that can easily obtain the hot spot that needs and be difficult for causing the loss of parts.
The utility model content
In order to solve above-mentioned technical problem of the prior art, the utility model proposes a kind of stepless dimming torch, the hot spot that this stepless dimming torch can not only be realized continuous light tuning and then obtain needing, and in the continuous light tuning process, be difficult for making the isolation of components of torch and the loss that causes parts.
According to a preferred implementation of the present utility model, a kind of stepless dimming torch has been proposed, it comprises:
Cover is positioned at the front end of torch, wherein is formed with reflector;
Main cylinder, an end forms blind end, and the other end forms open end, and be provided with spring in this blind end, main cylinder removably is connected to cover by this open end; And
Luminescence component can be slidably connected to the open end of main cylinder along the axis direction of main cylinder, and butt has spring between cover and the luminescence component;
It is characterized in that this stepless dimming torch further comprises:
The rotating cam assembly, comprise rotary barrel outside the coupling part that rotatably is set in cover and main cylinder and the cam ring that is provided with along the inner circumferential surface of rotary barrel, and the internal diameter of cam ring is greater than the external diameter of the open end of main cylinder, thereby this cam ring is set in outside the open end of main cylinder, wherein, this cam ring has cam contour on the end face of cover, and wherein, the end face with cam contour of this cam ring and luminescence component butt.
Further, be formed with groove along axis direction in the inner circumferential surface of the open end of main cylinder, and correspondingly be formed with projection on the luminescence component, projection is fastened in the groove.
Further, the coupling part of rotary barrel and cover and main cylinder is separated from one another.
Further, cam ring removably is provided with or is provided with rotary barrel with being integral along the inner circumferential surface of rotary barrel.
Further, the open end of main cylinder is by being threaded io cover.
Further, main cylinder is an integral piece.
Further, main cylinder is made of the tube base and the stack shell that removably connect.
Operation principle to this stepless dimming torch is described below now.
Because it is outer and have cam contour on the end face of cover that cam ring is set in the open end of main cylinder, and the end face with cam contour of cam ring and luminescence component butt, therefore work as the user and rotate rotary barrel, and then make cam ring the end face with cam contour according to from than low spot to the order of higher point during with the luminescence component butt, cam ring will promote luminescence component towards cover, at this moment, the spring between cover and the luminescence component is compressed.When the user continues to rotate rotary barrel, and then make cam ring the end face with cam contour according to from higher point to order and luminescence component butt than low spot, luminescence component will move at the bottom of tube owing to the screen resilience of the spring between cover and luminescence component, and the spring in the blind end of main cylinder is compressed at this moment.After this, when the user continues to rotate rotary barrel, will repeat said process,, thereby realized stepless dimming in glow cup so that luminescence component moves up and down, and then can regulate spot size.Like this, the user can obtain the hot spot of needs by the rotation rotary barrel.And, in above-mentioned stepless dimming process, because rotary barrel is sheathed on outside the coupling part of cover and main cylinder in the mode that the coupling part with respect to cover and main cylinder independently rotates.Thereby when the rotation rotary barrel, not being connected of cover and main cylinder can be affected, thereby cover can not separate with main cylinder, and then can not cause the loss of parts.
As from the foregoing, compare with the torch of selling on the market at present, this stepless dimming torch has the following advantages: can realize continuous light tuning, the user can be by the rotation rotary barrel hot spot that obtains wishing, and is difficult for making the isolation of components of torch in the continuous light tuning process and the loss that causes parts.
Description of drawings
Below with reference to accompanying drawing preferred implementation of the present utility model is elaborated, but the utility model can have and is defined by the claims and the multiple different embodiments that cover, identical in the accompanying drawings parts are represented with identical label, in the accompanying drawing:
Fig. 1 is the decomposition diagram according to the stepless dimming torch of a preferred implementation of the present utility model; And
Fig. 2 is the decomposition diagram of the rotating cam assembly of stepless dimming torch as shown in Figure 1.
The specific embodiment
Below in conjunction with accompanying drawing structural principle and operation principle according to the stepless dimming torch of a preferred implementation of the present utility model are described in further details.
Fig. 1 is the decomposition diagram according to the stepless dimming torch of a preferred implementation of the present utility model.
As shown in Figure 1, the stepless dimming torch according to a preferred implementation of the present utility model comprises: cover 1, be positioned at the front end of this torch, and wherein be formed with reflector; Tube base 6 is positioned at the rear end of this torch, and wherein is provided with spring 61; Stack shell 5, one ends removably are connected to a base 6, and the other end removably is connected to cover 1; Battery 4 is contained in the stack shell 5, and keeps butts with spring 61 in the tube base 6; And luminescence component 3, which is provided with spring 30, also be contained in the stack shell 5 and can slide, and be provided with battery 4 ground connection that is electrically connected along the axis direction of stack shell 5; And rotating cam assembly 2, rotatably be set in outside the coupling part of cover 1 and stack shell 5.
Further, in stepless dimming torch shown in Figure 1, stack shell 5 in the end of cover 1, be formed with groove 51 along axis direction.And correspondingly be formed with projection 31 on the luminescence component 3, projection 31 is fastened in the groove 51.Therefore, luminescence component 3 can slide by the axis direction along stack shell 5 in stack shell 5.
In addition, alternately, stack shell 5 and a tube base 6 formula main cylinder that can form as one.At this moment, this integral type main cylinder should be formed with blind end and open end.Be provided with spring 61 in the blind end, and this integral type main cylinder is connected to cover 1 by open end.Correspondingly, be formed with groove 51 along axis direction in the open end of this integral type main cylinder.
Fig. 2 is the decomposition diagram of the rotating cam assembly 2 of stepless dimming torch as shown in Figure 1.
Shown in Fig. 2 is further, rotating cam assembly 2 comprises and is set in the outer rotary barrel 21 in cover 1 and the coupling part of stack shell 5 and along the cam ring 22 of the inner circumferential surface setting of rotary barrel 21, and the internal diameter of cam ring 22 is greater than the external diameter of the open end of main cylinder, thereby cam ring 22 is set in outside the open end of main cylinder.And cam ring 22 has cam contour on the end face of stack shell 5, and the end face with cam contour of cam ring 22 and luminescence component 3 keep butt.
Further, cam ring 22 removably is provided with or is provided with rotary barrel 21 with being integral along the inner circumferential surface of rotary barrel 21.
Because it is outer and have cam contour on the end face of cover 1 that cam ring 22 is set in the open end of main cylinder, and the end face with cam contour of cam ring 22 and luminescence component 3 keep butt, therefore work as the user and rotate rotary barrel 21, and then make cam ring 22 the end face with cam contour according to from than low spot to the order of higher point during with luminescence component 3 butts, cam ring 22 will promote luminescence component 3 towards cover 1, at this moment, the spring 30 between cover 1 and the luminescence component 3 is compressed.When the user continues to rotate rotary barrel 21, and then make cam ring 22 the end face with cam contour according to from higher point to order and luminescence component 3 butts than low spot, luminescence component 3 will be owing to 6 moving between the screen resilience of the spring 30 between cover 1 and the luminescence component 3 and at the bottom of the tube, and the spring 61 in this moment tube base 6 is compressed.After this, when the user continues to rotate rotary barrel 21, will repeat said process,, thereby realized stepless dimming in glow cup so that luminescence component 3 moves up and down, and then can regulate spot size.Like this, the user can obtain the hot spot of needs by rotation rotary barrel 21.
And in above-mentioned stepless dimming process, because the coupling part of rotary barrel 21 and cover 1 and stack shell 1 is separated from one another, that is, rotary barrel 21 can independently rotate with respect to the coupling part of cover 1 and stack shell 5.Thereby when rotation rotary barrel 21, cover 1 and not being connected of stack shell 5 can be affected, thereby cover 1 can not separate with stack shell 5, and then can not cause the loss of parts.
More than though preferred implementation of the present utility model is disclosed for purposes of illustration, but it will be understood by those skilled in the art that, under the prerequisite that does not deviate from the disclosed scope and spirit of the present utility model of claims, various modifications, to increase and replace all be feasible.