CN102563365B - Flashlight - Google Patents
Flashlight Download PDFInfo
- Publication number
- CN102563365B CN102563365B CN 201010606432 CN201010606432A CN102563365B CN 102563365 B CN102563365 B CN 102563365B CN 201010606432 CN201010606432 CN 201010606432 CN 201010606432 A CN201010606432 A CN 201010606432A CN 102563365 B CN102563365 B CN 102563365B
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- CN
- China
- Prior art keywords
- groove
- flashlight
- chute
- stack shell
- retracting cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a flashlight, which comprises a hollow cylinder body, wherein a hollow accommodating part of the cylinder body is used for accommodating batteries. The flashlight further comprises a telescopic cylinder sleeved at one end of the cylinder body, wherein the outer edge of the cylinder body is provided with a strip-shaped sliding groove along the bus direction, two ends of the sliding groove are provided with clamping parts which are matched with positioning beads which are arranged on the inner wall of the telescopic cylinder, and the positioning beads can slide in the sliding groove and are clamped at two ends of the sliding groove through the clamping parts. According to the flashlight disclosed by the invention, the volume of a tail cover, which enters into the cylinder body and is connected with the telescopic cylinder, is adjusted by arranging the telescopic cylinder structure matched with the sliding groove and adjusting the positions of the positioning beads in the sliding groove, thus the capacity of the hollow accommodating part is adjusted, and the purpose that the flashlight is compatible with batteries with different lengths is realized. Because the spring structure is adopted, the tail cover cannot be in a pressed state for a long time, the tail cover is easy to disassemble and assemble, and the seizure problem cannot be caused when the tail cover is impacted by external force.
Description
[technical field]
The present invention relates to electric lighting field, relate in particular to a kind of flashlight.
[background technology]
Flashlight is a kind of hand-held electronic illuminations.A typical flashlight has one via battery powered bulb and focusing mirror, and the handle type shell for hand-held usefulness is arranged.
According to specification requirements such as voltage ranges, the most frequently used rechargeable battery model of traditional flashlight is 18650 types.Yet under some more urgent situation, for example when rescue and relief work, 18650 rechargeable batteries have not had electricity, do not have the charging of conditioned disjunction time again.At this moment can provide electric weight to flashlight by loading onto dry cell, thereby reach the purpose of emergency lighting.But owing to reasons such as the structure of battery and encapsulation, the length overall of common No. 1 battery of two joints assembly problem so just occurred than two 19 millimeters of total length that save 18650 type rechargeable batteries.
Present solution is to utilize the decrement of spring to solve this problem.When flashlight used rechargeable battery, the decrement of spring was bigger 19 millimeters than the decrement of using common batteries, and the decrement by control spring reaches that to eliminate 19 mm lengths poor.Thing followed problem is, the decrement that spring is bigger is brought huge bounce, and bounce can act on the screw thread between tail-hood and the stack shell.When the dismounting tail-hood, have some setbacks very much, the pressure screw thread when tail-hood is installed that is subjected to spring is difficult for aiming at.And be easy to when being subjected to the impact of external force " killing ", the cooperation of internal and external threads produces dislocation, makes that tail-hood is difficult to take out.
[summary of the invention]
In order to solve the problem of traditional flashlight dismounting inconvenience, be necessary to provide a kind of tail-hood easy-disassembling-assembling flashlight.
A kind of flashlight, comprise hollow stack shell, the hollow holding part of described stack shell is used for set battery, described flashlight also comprises the retracting cylinder that is sheathed on described stack shell one end, the outer wall of described stack shell is provided with the chute of strip along generatrix direction, the two ends of described chute are provided with the holding section with described positioning bead coupling, and the inwall of described retracting cylinder is provided with positioning bead, and described positioning bead can slide and be fastened on by described holding section the two ends of chute in described chute.
Preferably, described holding section is " L " shape groove, described " L " shape groove comprises and turns to groove and screens groove, described groove and the screens groove of turning to forms a turning in the junction, described turn to groove in the outer wall vertical of described stack shell in described chute, described positioning bead when arriving the chute two ends successively by describedly turning to groove, described turning, being snapped in the described screens groove again.
Preferably, the described length of groove that turns to is greater than described screens groove.
Preferably, described stack shell is cylindric.
It is preferably, described that to turn to the length of groove be 1/24th of described stack shell excircle.
Preferably, the length of described chute is 19 millimeters.
Preferably, also be provided with screw thread on the described retracting cylinder, between described tail-hood and the retracting cylinder for being threaded.
Above-mentioned flashlight is by arranging the retracting cylinder structure that cooperates with chute, the volume that the tail-hood that links to each other with retracting cylinder stretches into stack shell is adjusted in the position that the adjustment positioning bead is fastened in the chute, thereby adjust the volume of hollow holding part, realized the purpose of the battery of compatible different length.Owing to do not adopt spring structure, tail-hood can not be in pressured state for a long time, can not occur the problem of " killing " when tail-hood is easy to dismounting and is subjected to external impacts.
[description of drawings]
Fig. 1 is the schematic diagram of the stack shell of flashlight among the embodiment;
Fig. 2 is the schematic diagram of the retracting cylinder of flashlight among the embodiment;
Fig. 3 is the profile of flashlight under the retracting cylinder contraction state among the embodiment;
Fig. 4 is the profile of flashlight under the retracting cylinder extended state embodiment illustrated in fig. 3.
[specific embodiment]
For purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
Fig. 1 is the schematic diagram of the stack shell of flashlight among the embodiment, and Fig. 2 is the schematic diagram of the retracting cylinder of flashlight among the embodiment.Flashlight 100 of the present invention comprises the stack shell 10 of hollow cylindrical, and the hollow holding part 14 of stack shell is used for set battery.The outer wall of stack shell 10 is provided with the chute 12 of strip along generatrix direction.Flashlight 100 also comprises the retracting cylinder 20 that is placed in stack shell 10 1 ends.The inwall of retracting cylinder 20 is provided with positioning bead 22, and positioning bead 22 can slide and be fastened on the two ends of chute 12 in chute 12.Be fastened on position (namely being positioned at which end at chute 12 two ends) in the chute 12 by adjusting positioning bead 22, can adjust the tail-hood 30 that links to each other with retracting cylinder 20 and stretch into the volume of stack shell 10, thereby adjust the volume of hollow holding part 14.
In the present embodiment, the two ends of chute 12 are provided with the holding section 120 of mating with positioning bead 22.Holding section 120 is " L " shape structure, " L " shape structure comprises and turns to groove 122 and screens groove 124 (two line segments of namely forming L), turn to groove 122 and screens groove 124 to form a turning in the junction, turn to groove 122 in the outer wall vertical of stack shell in chute 12, positioning bead 22 when arriving chute 12 two ends successively by turning to groove 122, described turning, being snapped in the screens groove 124 again.In the present embodiment, turning to the length of groove 122 greater than screens groove 124, probably is 1/24th of stack shell 10 excircle girths.
In the present embodiment, the purpose of design of flashlight is compatible 18650 type rechargeable batteries of while and dry cell (No. 1 battery), therefore the spacing of two holding sections 120, chute 12 two ends is 19mm, just chute 12 length are 19mm, the length difference of coupling two joint 18650 type rechargeable batteries and No. 1 battery of two joints.
Also be provided with the screw thread (not shown) on the retracting cylinder 20, between tail-hood 30 and the retracting cylinder 20 for being threaded.In the present embodiment, screw thread is located at the outer wall of retracting cylinder 20.
Fig. 3 is the profile of flashlight under the retracting cylinder contraction state among the embodiment, and Fig. 4 is the profile of flashlight under the retracting cylinder extended state embodiment illustrated in fig. 3.Be example under the retracting cylinder extended state with flashlight, this moment, positioning bead 22 was fastened on by in the screens groove 124 in the holding section 120 of tail-hood 30 1 sides, and two joints, 18650 type rechargeable batteries can be installed after this moment tail-hood 30 being outwarded winding.
When needs use No. 1 battery, only need retracting cylinder 20 is a little upwards pushed hard (namely the top is to the corner that turns to groove 122 and screens groove 124), about 15 degree (being determined by the length that turns to groove 122 and bearing of trend) simultaneously turn clockwise, positioning bead 22 is slipped in the chute 12, again retracting cylinder 20 upwards is pushed into chute 12 by bulb one end, screw in counterclockwise in the holding section 120, the drop-down a little positioning bead 22 that makes snaps in the screens groove 124 simultaneously.Retracting cylinder 30 just is under the contraction state like this, and the length of the hollow holding part 14 of stack shell has shortened 19mm than under the extended state, is fit to install No. 1 battery of two joints.In like manner, adopt opposite operation just can become retracting cylinder 30 again extended state.
Above-mentioned flashlight has been realized the purpose of the battery of compatible different length by the retracting cylinder structure that cooperates with chute is set.Structure is simpler, and owing to do not adopt spring structure, tail-hood can not be in pressured state for a long time, can not occur the problem of " killing " when tail-hood is easy to dismounting and is subjected to external impacts.
Above embodiment only is the chute structure under the demand of compatible No. 1 battery of two joints and two joints, 18650 type rechargeable batteries.If other demands are arranged, for example compatible 3 kinds of different batteries then can arrange 3 holding sections at chute.Spacing between chute length and the holding section also can change according to battery length and the quantity that flashlight in the real needs is taken in.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. flashlight, comprise hollow stack shell, the hollow holding part of described stack shell is used for set battery, it is characterized in that, described flashlight also comprises the retracting cylinder that is sheathed on described stack shell one end, the outer wall of described stack shell is provided with the chute of strip along generatrix direction, the two ends of described chute are provided with the holding section with the positioning bead coupling, the inwall of described retracting cylinder is provided with positioning bead, described positioning bead can slide and be fastened on by described holding section the two ends of chute in described chute, described holding section is " L " shape groove, described " L " shape groove comprise composition " L " two line segments turn to groove and screens groove, described groove and the screens groove of turning to forms a turning in the junction, described turn to groove in the outer wall vertical of described stack shell in described chute, described positioning bead when arriving the chute two ends successively by the described groove that turns to, described turning, be snapped into again in the described screens groove.
2. flashlight according to claim 1 is characterized in that, the described length of groove that turns to is greater than described screens groove.
3. flashlight according to claim 1 is characterized in that, described stack shell is cylindric.
4. flashlight according to claim 3 is characterized in that, described to turn to the length of groove be 1/24th of described stack shell excircle.
5. flashlight according to claim 1 is characterized in that, the length of described chute is 19 millimeters.
6. flashlight according to claim 1 is characterized in that, also comprises the tail-hood that links to each other with retracting cylinder, also is provided with screw thread on the described retracting cylinder, between described tail-hood and the retracting cylinder for being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606432 CN102563365B (en) | 2010-12-27 | 2010-12-27 | Flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606432 CN102563365B (en) | 2010-12-27 | 2010-12-27 | Flashlight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102563365A CN102563365A (en) | 2012-07-11 |
| CN102563365B true CN102563365B (en) | 2013-10-02 |
Family
ID=46409562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010606432 Expired - Fee Related CN102563365B (en) | 2010-12-27 | 2010-12-27 | Flashlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102563365B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712083B (en) * | 2012-09-28 | 2018-05-01 | 深圳市海洋王照明工程有限公司 | Torch and its battery cover limit structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207778U (en) * | 1986-10-14 | 1987-09-09 | 石仁德 | Bayonet flashlight |
| CN1055229A (en) * | 1990-03-27 | 1991-10-09 | 萧水树 | The switching device that flashlight can focus on |
| CN200952652Y (en) * | 2006-08-25 | 2007-09-26 | 郑长华 | Electric torch with ashtray |
| CN201335257Y (en) * | 2008-11-28 | 2009-10-28 | 罗兵 | Novel flashlight |
| CN101865362A (en) * | 2009-04-14 | 2010-10-20 | 海洋王照明科技股份有限公司 | Flashlight having warning function |
-
2010
- 2010-12-27 CN CN 201010606432 patent/CN102563365B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207778U (en) * | 1986-10-14 | 1987-09-09 | 石仁德 | Bayonet flashlight |
| CN1055229A (en) * | 1990-03-27 | 1991-10-09 | 萧水树 | The switching device that flashlight can focus on |
| CN200952652Y (en) * | 2006-08-25 | 2007-09-26 | 郑长华 | Electric torch with ashtray |
| CN201335257Y (en) * | 2008-11-28 | 2009-10-28 | 罗兵 | Novel flashlight |
| CN101865362A (en) * | 2009-04-14 | 2010-10-20 | 海洋王照明科技股份有限公司 | Flashlight having warning function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102563365A (en) | 2012-07-11 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20181227 |