CN201715267U

CN201715267U - Flashlight with adjustable focal length

Info

Publication number: CN201715267U
Application number: CN2010202594016U
Authority: CN
Inventors: 王善宗
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-15
Filing date: 2010-07-15
Publication date: 2011-01-19
Anticipated expiration: 2020-07-15

Abstract

The utility model discloses a flashlight with adjustable focal length, which comprises a flashlight body, a lamp base, a lens and a lens barrel, anodes and cathodes of batteries in the flashlight body are electrically connected with the lamp base by leads, the lens is arranged in front of the lamp base and is positioned in the lens barrel, an extension barrel is disposed at the front part of the flashlight body, and a gap groove and an external thread are formed on the extension barrel; a bulge is formed on the lamp base, and a bulge screw thread is formed on the bulge; and the front part of an adjustment barrel is sleeved in the lens barrel, an adjusting internal thread is formed in the adjustment barrel, the adjusting internal thread and the bulge screw thread are screwed together, an internal thread is formed in the lens barrel, the external thread and the internal thread on the extension barrel are screwed together, and the bulge is sleeved in the gap groove on the extension barrel and can move in the gap groove linearly. The utility model has the advantages: the regulating range of the focal length is large, and the location is rather firm after the adjustment; and contact parts of a battery box and other parts are tight, so the conductivity is excellent.

Description

The flashlight of adjustable focal length

Technical field

The utility model belongs to the flashlight technical field, especially relates to a kind of flashlight of adjustable focal length.

Background technology

Existing flashlight pattern is more, and characteristics are different.The focal length adjustment device of common flashlight is to realize by turning the distance that lens drum regulates between lens and the electroluminescent lamp, its weak point is: the flashlight adjustable range of this structure is limited, and loose easily between lens drum and the flashlight body after the bigger focal length of adjusting; Electrode in the battery case in the flashlight adopts fixed, and electrode cannot elongate or shorten, and so easy initiation loose contact causes flashlight to power.

The utility model content

At the deficiency that above-mentioned prior art exists, the purpose of this utility model provides a kind of flashlight of adjustable focal length, and its scope of focusing is big, regulate simultaneously finish the back locate more firm; It also has battery case and contacts characteristics closely with other parts contact position.

To achieve these goals, the technical scheme that the utility model adopted is: the flashlight of adjustable focal length, comprise flashlight body, lamp socket, lens, lens drum, the both positive and negative polarity of battery is electrically connected with lamp socket by lead in the flashlight body, lens are installed in the place ahead of lamp socket and place in the lens drum, described flashlight body front portion has exntension tubs, forms short slot and external screw thread on the exntension tubs; Form projection on the lamp socket, form raised thread on the projection; The anterior sleeve of regulating tube is in lens drum, regulate in the tube and form the adjusting internal thread, regulating internal thread is screwed onto with raised thread, form internal thread in the lens drum, external screw thread on the exntension tubs is screwed onto with this internal thread, also can move by straight line in short slot in the short slot of protruding sleeve on exntension tubs.

Form the interior location of arc in the described adjusting tube and lack, moulding recess on the flashlight body, spring one end active force is in the recess bottom, other end active force is in ball, ball exposes from the through hole of cover plate, and cover plate is fixed on the flashlight body, and ball is fastened on during the location lacks in the arc.

Described flashlight body is made of protecgulum, battery tube, battery case and bonnet, and battery tube two ends are spirally connected with protecgulum and bonnet respectively and are fixed together, and the battery case sleeve is in the battery tube; Exntension tubs are arranged on the protecgulum.

Described battery case is made of battery, battery case frame, stage clip, electrode, end plate and screw, series connection is fixed with battery on the battery case frame, stage clip one end active force is in the battery case frame, other end active force is in electrode, form step on the electrode, form stepped hole on the end plate, Electrode sleeve is in stepped hole, and end plate is fixed on the battery case frame by screw.

Gripped hanger between described protecgulum and the battery tube.

The front portion of described hanger is placed with rubber washer.

After adopting said structure, the utility model is compared the advantage that is had with prior art and is: 1, regulate tube and make lamp socket along the short slot rectilinear motion by rotating, thereby reach the electroluminescent lamp regulated on the lamp socket and the distance between the lens, realize regulating the flashlight focal length; During the location, be fastened in the arc location by spring-supported ball and realize the location in lacking, this locate mode can make the location more firm.2, the electrode of battery case flexible under the effect of stage clip makes electrode contact with the electric connection point of protecgulum and bonnet closely and conduct electricity well, and the battery case of this structure is fit to the flashlight of multiple height.3, hanger is convenient for people to flashlight is hung on the pocket, allow carry convenient.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the decomposing schematic representation of analysing and observe of embodiment 1;

Fig. 2 is the perspective exploded view of embodiment 1;

Fig. 3 is the schematic perspective view of lens drum;

Fig. 4 is the schematic perspective view of lamp socket;

Fig. 5 is the plane decomposing schematic representation of embodiment 2;

Fig. 6 is the plane decomposing schematic representation of embodiment 3;

Fig. 7 is the decomposing schematic representation of battery case;

Fig. 8 is the front view of hanger;

Fig. 9 is the left view of Fig. 8.

Among the figure: 1. flashlight body; 2. lamp socket; 3. regulate tube; 4. lens; 5. lens drum; 6. spring; 7. ball; 8. cover plate; 11. protecgulum; 12. battery tube; 13. battery case; 14. bonnet; 15. hanger; 16. rubber washer; 21. projection; 211. raised thread; 31. adjusting internal thread; 32. the location lacks in the arc; 51. internal thread; 101. exntension tubs; 102. recess; 1011. short slot; 1012. external screw thread; 130. battery; 131. battery case frame; 132. stage clip; 133. electrode; 134. end plate; 135. screw; 1331. step; 1341. stepped hole.

The specific embodiment

The following stated only is preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.

Embodiment 1, see shown in Fig. 1 to 4: the flashlight of adjustable focal length, comprise flashlight body 1, lamp socket 2, lens 4, lens drum 5, the both positive and negative polarity of battery is electrically connected with lamp socket 2 by lead in the flashlight body 1, lens 4 are installed in the place ahead of lamp socket 2 and place in the lens drum 5, flashlight body 1 front portion has exntension tubs 101, forms short slot 1011 and external screw thread 1012 on the exntension tubs 101; Form projection 21 on the lamp socket 2, form raised thread 211 on the projection 21; The anterior sleeve of regulating tube 3 is in lens drum 5, regulate to form in the tube 3 and regulate internal thread 31, regulating internal thread 31 is screwed onto with raised thread 211, form internal thread 51 in the lens drum 5, external screw thread 1012 on the exntension tubs 101 is screwed onto with this internal thread 51, in the short slot 1011 of protruding 21 sleeves on exntension tubs 101.Form the interior location of arc in the adjusting tube 3 and lack 32, moulding recess 102 on the flashlight body 1, spring 6 one end active forces are in recess 102 bottoms, other end active force is in ball 7, ball 7 exposes from the through hole of cover plate 8, and cover plate 8 is fixed on the flashlight body 1, and ball 7 is fastened on to locate in the arc and lacks in 32.

Embodiment 2, see shown in Figure 5ly, and flashlight body 1 is made of protecgulum 11, battery tube 12, battery case 13 and bonnet 14, and battery tube 12 two ends are spirally connected with protecgulum 11 and bonnet 14 respectively and are fixed together, and battery case 13 sleeves are in battery tube 12.Exntension tubs 101 are arranged on the protecgulum 11.All the other are with embodiment 1.

Embodiment 3, see shown in Fig. 6,8,9, gripped hanger 15 between protecgulum 11 and the battery tube 12, and the front portion of hanger 15 is placed with rubber washer 16.All the other are with embodiment 2.

Embodiment 4, see shown in Figure 7, battery case 13 is made of battery 130, battery case frame 131, stage clip 132, electrode 133, end plate 134 and screw 135, series connection is fixed with battery 130 on the battery case frame 131, and stage clip 132 1 end active forces are in battery case frame 131, and other end active force is in electrode 133, form step 1331 on the electrode 133, form stepped hole 1341 on the end plate 134, electrode 133 sleeves are in stepped hole 1341, and end plate 134 is fixed on the battery case frame 131 by screw 135.All the other are with embodiment 2.

The utility model makes lamp socket 2 along short slot 1011 rectilinear motions by rotate regulating tube 3, thereby reaches the electroluminescent lamp of regulating on the lamp socket 2 and the distance between the lens 5, realizes adjusting flashlight focal length.During the location, the ball 7 that supports by spring 6 is fastened in the arc location and lacks and realize the location in 32, makes that the location is more firm.

Electrode 133 flexible under the effect of stage clip 132 of battery case 13 makes electrode 133 contact with the electric connection point of protecgulum 11 and bonnet 14 closely and conducts electricity well, and simultaneously, the battery case 13 of this structure is fit to the flashlight of multiple height.

Hanger 15 is convenient for people to flashlight is hung on the pocket, allow carry convenient.

Claims

1. the flashlight of adjustable focal length, comprise flashlight body (1), lamp socket (2), lens (4), lens drum (5), the both positive and negative polarity of the interior battery of flashlight body (1) is electrically connected with lamp socket (2) by lead, lens (4) are installed in the place ahead of lamp socket (2) and place in the lens drum (5), it is characterized in that: described flashlight body (1) front portion has exntension tubs (101), forms short slot (1011) and external screw thread (1012) on the exntension tubs (101); Form projection (21) on the lamp socket (2), form raised thread (211) on the projection (21); The anterior sleeve of regulating tube (3) is in lens drum (5), regulate to form in the tube (3) and regulate internal thread (31), regulating internal thread (31) is screwed onto with raised thread (211), form internal thread (51) in the lens drum (5), external screw thread (1012) on the exntension tubs (101) is screwed onto with this internal thread (51), also can move by straight line in short slot (1011) in the short slot (1011) of projection (21) sleeve on exntension tubs (101).

2. the flashlight of adjustable focal length according to claim 1, it is characterized in that: form in the described adjusting tube (3) location scarce (32) in the arc, flashlight body (1) is gone up moulding recess (102), spring (6) one end active forces are in recess (102) bottom, other end active force is in ball (7), ball (7) exposes from the through hole of cover plate (8), and cover plate (8) is fixed on the flashlight body (1), and ball (7) is fastened on to locate in the arc and lacks in (32).

3. the flashlight of adjustable focal length according to claim 1 and 2, it is characterized in that: described flashlight body (1) is made of protecgulum (11), battery tube (12), battery case (13) and bonnet (14), battery tube (12) two ends are spirally connected with protecgulum (11) and bonnet (14) respectively and are fixed together, and battery case (13) sleeve is in battery tube (12); Exntension tubs (101) are arranged on the protecgulum (11).

4. the flashlight of adjustable focal length according to claim 3, it is characterized in that: described battery case (13) is by battery (130), battery case frame (131), stage clip (132), electrode (133), end plate (134) and screw (135) constitute, battery case frame (131) is gone up series connection and is fixed with battery (130), stage clip (132) one end active forces are in battery case frame (131), other end active force is in electrode (133), form step (1331) on the electrode (133), form stepped hole (1341) on the end plate (134), electrode (133) sleeve is in stepped hole (1341), and end plate (134) is fixed on the battery case frame (131) by screw (135).

5. the flashlight of adjustable focal length according to claim 3 is characterized in that: gripped hanger (15) between described protecgulum (11) and the battery tube (12).

6. the flashlight of adjustable focal length according to claim 5, it is characterized in that: the front portion of described hanger (15) is placed with rubber washer (16).