CN111637372B

CN111637372B - Strong light flashlight

Info

Publication number: CN111637372B
Application number: CN202010489797.1A
Authority: CN
Inventors: 姜子华; 姜江伟; 吴立军
Original assignee: Beijing Anfu Weiye Fire Safety Test Co ltd
Current assignee: North China Cathay Pacific Construction Group Co.,Ltd.
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2022-04-12
Anticipated expiration: 2040-06-02
Also published as: CN111637372A

Abstract

The invention relates to a highlight flashlight, which relates to the technical field of mobile lighting and comprises a battery compartment, wherein a lighting head and an end cover are respectively sleeved at two ends of the battery compartment, a protective shell is sleeved on the lighting head, a fixed elastic sheet for fixing the protective shell and the lighting head is arranged in the protective shell, and the fixed elastic sheet comprises a fixed section, an arching section and a free section which are sequentially connected; the fixed section is located fixed shell fragment towards the inside one side of protective housing and with protective housing inner wall rigid coupling, the middle part of arching section sticks up from the protective housing inner wall setting and the contained angle of arching section and fixed section is greater than the contained angle of arching section and free section, the protective housing inner wall has been seted up and has been held the male groove that slides of free section, when the protective housing cover was established on the illumination head, the arching section was towards the one end screens of one side of fixed section and illumination head towards the battery compartment. The invention has the effect of improving the protection capability of the lighting end of the flashlight.

Description

Strong light flashlight

Technical Field

The invention relates to the technical field of mobile lighting, in particular to a highlight flashlight.

Background

The strong light flashlight is a novel lighting tool with a light emitting diode as a light source, and has the advantages of power saving, durability, strong brightness and the like. The glare flashlight is often applied to illumination work of outdoor exploration, industrial maintenance and other activities.

As shown in fig. 1, the highlight flashlight comprises a flashlight body, a battery compartment 2 is arranged in the flashlight body, one end of the battery compartment 2 is in threaded connection with a lighting head 1, the other end of the battery compartment is in threaded connection with an end cover 3, and a switch for controlling the flashlight to work is arranged on the end cover 3. Be provided with illumination board 13 in the illumination head 1, the welding has a plurality of emitting diode on illumination board 13, still is provided with a spotlight section of thick bamboo 12 in the illumination head 1, and the tip that the battery compartment 2 was kept away from to illumination head 1 is provided with printing opacity glass.

However, in outdoor exploration, the environment is severe, the flashlight is easily bumped when placed in the backpack, and the transparent glass is broken, so that the light emitting diode inside the lighting head 1 cannot be well protected.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a strong-light flashlight which has the effect of improving the protection capability of the lighting end of the flashlight.

The above object of the present invention is achieved by the following technical solutions:

a highlight flashlight comprises a battery compartment, wherein a lighting head and an end cover are respectively sleeved at two ends of the battery compartment, a protective shell is sleeved on the lighting head, a fixed elastic sheet for fixing the protective shell and the lighting head is arranged in the protective shell, and the fixed elastic sheet comprises a fixed section, an arching section and a free section which are sequentially connected; the fixed section is located fixed shell fragment towards the inside one side of protective housing and with protective housing inner wall rigid coupling, the middle part of arching section sticks up from the protective housing inner wall setting and the contained angle of arching section and fixed section is greater than the contained angle of arching section and free section, the protective housing inner wall has been seted up and has been held the male groove that slides of free section, when the protective housing cover was established on the illumination head, the arching section was towards the one end screens of one side of fixed section and illumination head towards the battery compartment.

Through adopting above-mentioned technical scheme, when the protective housing cover was established at the illumination head, the arching section of fixed shell fragment was extruded to the illumination head, and then made fixed shell fragment take place elastic deformation, supported tightly on the global of illumination head through the elastic force of fixed shell fragment to with protective housing and illumination head reciprocal anchorage, improved protective housing and illumination head interconnect's stability. The arch-shaped section is limited by the angle of the fixed section and the free section, so that when the protective shell is sleeved with the lighting head, the resistance generated by the fixed elastic sheet is small, and the resistance generated when the protective shell is pulled out is large, therefore, on one hand, the protective shell is convenient to be sleeved with the lighting head, and on the other hand, the stability of fixation after the protective shell is sleeved with the lighting head is improved. The free section inserts into the inslot that slides to make the stable inslot that slides of free section, and then reduced the illumination head insert into protective housing inside with the free section hook each other and then damage the condition of fixed shell fragment.

The present invention in a preferred example may be further configured to: the tip rigid coupling of illumination head has a fixation nut with battery compartment threaded connection, and the canned paragraph of fixed shell fragment is parallel to each other with fixation nut's lateral wall, when protective housing and illumination head interconnect, arching section and fixation nut border screens each other.

By adopting the technical scheme, the fixed elastic sheet is matched with the fixed nut, when the protective shell moves opposite to the illuminating head, the edge of the fixed nut abuts against the arching section to drive the fixed elastic sheet to deform, so that the protective shell is sleeved on the illuminating head, and the arching section on the fixed elastic sheet is clamped with the fixed nut, so that the protective shell is fixed on the illuminating head; the included angle between the arching section and the fixed section is larger than that between the arching section and the free section, so that the protective shell can be more conveniently sleeved on the illuminating head and fixed by the fixed elastic sheet. When the illuminating head of the protective shell is required to be separated from each other, the illuminating head can be pulled out of the protective shell by force, and the fixing elastic sheet is deformed under stress so as to release the clamping and fixing of the fixing nut.

The present invention in a preferred example may be further configured to: the number of the fixed elastic sheets is at least three along the circumferential direction of the inner wall of the protective shell.

Through adopting above-mentioned technical scheme, when the protective housing cover was established on the illumination head of flashlight, because fixed shell fragment is provided with at least threely, a plurality of fixed shell fragments paste with fixation nut's lateral surface respectively and lean on each other, have improved the axial fixed stability of protective housing illumination head on the one hand, on the other hand fixed shell fragment pastes with fixation nut each other and pastes the screens, has restricted the rotation each other between protective housing and the illumination head, has improved fixed stability.

The present invention in a preferred example may be further configured to: the closed end of the protective shell is provided with a plurality of detection holes.

Through adopting above-mentioned technical scheme, when the flashlight opened in the protective housing because the mistake touched, the staff can be through the inside luminous of the audio-visual observation inspection hole of inspection hole to close the flashlight, and then reduced because the flashlight mistake starts, and cover of protective housing to lead to the user can't in time observe the condition of flashlight and then the invalid work of flashlight.

The present invention in a preferred example may be further configured to: the protective housing deviates from open-ended one end and is provided with a mount pad, and it has a plurality of backup pads to articulate on the lateral wall of mount pad, is provided with a torsional spring on the articulated shaft of backup pad and mount pad, and the natural state of torsional spring orders about the backup pad and rotates to perpendicular with the axis of protective housing, still is provided with restriction backup pad turned angle's limiting plate on the mount pad, when the backup pad rotates to perpendicular and protective housing axis, backup pad and the mutual screens of limiting plate.

Through adopting above-mentioned technical scheme, meet needs fixed flashlight when the user in the open air, if overhaul the vehicle bottom, perhaps when need provide illumination in the tent, can open the highlight flashlight and establish the protective housing cover in end cover department, torsional spring drive backup pad opens and has supported the highlight flashlight and establish, has improved the highlight flashlight and has found the stability immediately.

The present invention in a preferred example may be further configured to: the mounting seat is in ball joint with the protective shell, and a damping cushion is arranged at the joint of the mounting seat and the protective shell.

By adopting the technical scheme, the damping pad provides stable and uniform friction force for the rotation between the rotating groove and the hinged ball, and the fixing of any position is carried out through the friction force; frictional force through the damping pad is relatively fixed under normal condition between mount pad and the protective housing, and when applying the external force that is greater than the biggest static friction power for between protective housing and the mount pad, relative rotation between mount pad and the protective housing, the highlight flashlight can adjust in certain angle within range when being propped up, and then adjustment irradiation range.

The present invention in a preferred example may be further configured to: the cover is equipped with the solid fixed ring who is used for fixed support plate on the protective housing, when the backup pad rotated to with protective housing axial direction parallel, the backup pad card was established between solid fixed ring and protective housing.

By adopting the technical scheme, after the supporting plate is folded, a user can sleeve the fixing ring on the outer side of the supporting plate so as to fix the supporting plate, and the situation that the supporting plate is extended out of the protective shell so as to occupy space is reduced;

the present invention in a preferred example may be further configured to: set up the holding tank that holds the backup pad on the protective housing, solid fixed ring and protective housing threaded connection.

Through adopting above-mentioned technical scheme, when the holding tank was shifted over to inside when the backup pad, the user can revolve and twist solid fixed ring, gu fixed ring rotates to the top of backup pad and supports each other with the connecting plate and lean on to accomodate the backup pad, the backup pad is accomodate in the inside back of holding tank, has protected the backup pad, gu the threaded connection of fixed ring and shell has improved solid fixed ring and shell fixed stability, and then make solid fixed ring draw in the backup pad in fixed back, difficult follow the backup pad pine and take off.

The present invention in a preferred example may be further configured to: the number of the supporting plates is equal to that of the fixing elastic sheets, and the supporting plates correspond to the fixing elastic sheets one to one and are parallel to the fixing sections of the fixing elastic sheets.

Through adopting above-mentioned technical scheme, the staff can regard as the reference with the backup pad, observes and adjusts the protective housing for when backup pad on the protective housing is parallel to each other with the fixation nut side, then establish the protective housing cover on the illumination head, fixed shell fragment is just in time contradicted on fixation nut's side this moment, thereby has improved the convenience that protective housing and illumination head pegged graft each other fixedly.

The present invention in a preferred example may be further configured to: the backup pad is accomodate in the holding tank, and the perpendicular rigid coupling in one side that the backup pad deviates from the holding tank has a pivot, rotates in the pivot and is connected with a connecting plate, and the rigid coupling has a pad foot in the backup pad, and the pad foot is located the backup pad one side towards the connecting plate.

Through adopting above-mentioned technical scheme, need fix the flashlight when the user to when making the illumination head of flashlight vertically upwards shine, can establish the end cover department with the protective housing cover, and make the backup pad rotate to the axial vertical with the protective housing. The user can with the vertical stand of highlight flashlight establish subaerial this moment and make limiting plate, connecting plate, pad foot paste with ground and lean on each other to support the highlight flashlight, through the mutually supporting of connecting plate with pad foot, increased the stress point when establishing to the flashlight, improved the stability that the flashlight was established.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the protection capability of the highlight flashlight illuminating head is improved, the illuminating head is protected by sleeving the protection shell on the illuminating head, and the situation that the transparent glass at the illuminating head is scratched and broken is reduced;

2. the arrangement of the fixing elastic sheet improves the convenience of mutual insertion and fixation between the protective shell and the lighting head, the protective shell and the lighting head are fixed through the elastic acting force of the fixing elastic sheet, and a user can conveniently detach the protective shell at any time when using the highlight flashlight;

3. the fixed stability of quilt when having improved the highlight flashlight and having established immediately through the backup pad setting, has increased the area of contact on highlight flashlight and ground, and then has improved the stability that the highlight flashlight was placed in the bottom surface.

Drawings

FIG. 1 is a schematic diagram of a prior art glare flashlight;

FIG. 2 is an exploded view of the connection of the flashlight to the protective case;

FIG. 3 is a sectional view showing the internal structure of the protective case;

FIG. 4 is an enlarged view of detail A in FIG. 3, showing the engagement of the fixing spring and the fixing nut;

FIG. 5 is an enlarged view of detail B of FIG. 3 and shows the location of the damping pad with the hinge ball and the pivot slot;

FIG. 6 is a schematic view of the working state of the flashlight;

fig. 7 is an enlarged view at detail C in fig. 6 and embodies a torsion spring.

In the figure, 1, an illumination head; 11. fixing a nut; 12. a light-gathering cylinder; 13. a lighting panel; 2. a battery compartment; 3. an end cap; 4. a protective shell; 41. fixing the elastic sheet; 411. a fixed section; 412. an arching section; 413. a free section; 42. a sliding groove; 43. buffering foam; 44. a detection hole; 45. hinging the ball; 46. accommodating grooves; 47. a fixing ring; 5. a mounting seat; 51. a rotating groove; 52. a damping pad; 53. a support plate; 531. a torsion spring; 532. a rotating shaft; 54. a limiting plate; 55. a connecting plate; 56. and (5) a foot pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, the strong light flashlight disclosed by the invention comprises a battery compartment 2, wherein both ends of the battery compartment 2 are provided with external threads, and both ends of the battery compartment 2 are respectively provided with an illuminating head 1 and an end cover 3. The end of the lighting head 1 is fixedly connected with a fixing nut 11, and the fixing nut 11 is sleeved on the battery bin 2 and is in threaded connection with the battery bin 2. The end cover 3 is sleeved on the battery compartment 2 and is in threaded connection with the battery compartment 2. The illuminating head 1 is further sleeved with a protective shell 4 for protecting the illuminating head 1.

As shown in fig. 3 and 4, the protective shell 4 is a cylinder with one closed end, and the protective shell 4 is internally provided with six fixing elastic pieces 41 for fixing the lighting head 1, and the fixing elastic pieces 41 are uniformly distributed along the circumferential direction of the inner wall of the protective shell 4. The fixed spring 41 comprises a fixed section 411, an arching section 412 and a free section 413; the fixed section 411 is located in the deep part of the protective shell 4 far away from the opening and is fixedly connected with the inner wall of the protective shell 4, the middle part of the arching section 412 arches towards the direction of the axis of the protective shell 4, and the free section 413 is arranged at the end part of the arching section 412 far away from the fixed section 411. The fixed section 411, the arching section 412 and the free section 413 are integrally formed and supported by metal sheets, and the metal sheets have certain elasticity, and can be iron sheets, copper sheets or alloy sheets. A sliding groove 42 for accommodating the free section 413 to be inserted is formed in the inner wall of the protective shell 4, and an opening of the sliding groove 42 is arranged to deviate from an opening of the protective shell 4; the included angle between the arched section 412 and the fixed section 411 is larger than the included angle between the arched section 412 and the free section 413. When the protective shell 4 is sleeved on the lighting head 1 of the flashlight, as the six fixing elastic sheets 41 are arranged, the six fixing elastic sheets 41 are respectively attached to the outer side surfaces of the fixing nuts 11, when the protective shell 4 moves opposite to the lighting head 1, the edges of the fixing nuts 11 abut against the arching sections 412 to drive the fixing elastic sheets 41 to deform, so that the protective shell 4 is sleeved on the lighting head 1, and the arching sections 412 on the fixing elastic sheets 41 are mutually clamped with the fixing nuts 11, so that the protective shell 4 is fixed on the lighting head 1; the included angle between the arching section 412 and the fixed section 411 is larger than the included angle between the arching section 412 and the free section 413, so that the protective shell 4 can be more conveniently sleeved on the lighting head 1 and fixed by the fixing elastic sheet 41. When the lighting head 1 of the protective shell 4 needs to be separated from each other, the lighting head 1 can be pulled out from the protective shell 4 by force, and the fixing elastic sheet 41 is deformed under stress so as to release the clamping and fixing of the fixing nut 11. The mutual cooperation of fixed shell fragment 41 and fixation nut 11 has improved the stability of protective housing 4 illumination head 1 axial fixity on the one hand, and on the other hand fixed shell fragment 41 pastes with fixation nut 11 each other and leans on the screens, has restricted the rotation each other between protective housing 4 and the illumination head 1, has improved fixed stability. The bottom wall of the protective shell 4, which is far away from the opening, is further provided with a buffer foam 43, when the protective shell 4 is sleeved on the lighting head 1, the end part of the lighting head 1 is pressed against the buffer foam 43, so that the lighting head 1 is further protected. One end of the protective shell 4, which is far away from the opening, is provided with a detection hole 44 inside the protective shell 4, and the protective shell 4 and the buffer foam 43 penetrate through the detection hole 44. When the flashlight is turned on in the protective shell 4 due to mistaken touch, a worker can visually observe the inside luminescence of the detection hole 44 through the detection hole 44 and turn off the flashlight, so that the phenomenon that the flashlight cannot be observed in time and then the flashlight works inefficiently due to mistaken starting of the flashlight is reduced, and the protective shell 4 covers the flashlight and accordingly the user cannot observe the flashlight.

As shown in fig. 3 and 5, when a user needs to fix the flashlight outdoors, such as to overhaul the bottom of a vehicle, or needs to provide light in a tent, the switch is arranged at the end cap 3, which results in unevenness at the end cap 3, and the lighting head 1, which cannot be stabilized by the flashlight, is erected on a plane, thus causing inconvenience in use. In order to optimize the situation, an end portion, away from the lighting head 1, of the protective shell 4 is further provided with a mounting seat 5, a hinge ball 45 is fixedly connected to the protective shell 4, a rotating groove 51 for accommodating the hinge ball 45 to rotate inside is formed in the mounting seat 5, the hinge ball 45 rotates in the rotating groove 51 and is clamped in the rotating groove 51 by the edge of the rotating groove 51, a damping pad 52 is further arranged between the rotating groove 51 and the hinge ball 45, one side of the damping pad 52 is fixedly connected to the inner wall of the rotating groove 51, and the other side of the damping pad abuts against the spherical surface of the hinge ball 45. When the mounting seat 5 and the protective shell 4 rotate with each other, the damping pad 52 slides relative to the hinge ball 45. The damping pad 52 is made of polytetrafluoroethylene, and is tightly attached to the spherical surface through the clamping action of the rotating groove 51 on the hinge ball 45, the damping pad 52 provides stable and uniform friction force for the rotation between the rotating groove 51 and the hinge ball 45, and the arbitrary position is fixed through the friction force; under normal conditions, the mounting seat 5 and the protective shell 4 are relatively fixed through the friction force of the damping pad 52, and when the external force applied between the protective shell 4 and the mounting seat 5 is greater than the maximum static friction force, the mounting seat 5 and the protective shell 4 rotate relatively.

As shown in fig. 6 and 7, six support plates 53 are further hinged to the circumferential surface of the mounting base 5, and the hinge shafts of the support plates 53 and the mounting base 5 are perpendicular to the axis of the mounting base 5 and parallel to the tangent line of the outer circumferential surface of the protective shell 4. When the support plate 53 is rotated to be parallel to the mounting seat 5, the hinge shaft of the support plate 53 is located at an end away from the protective case 4. Six support plates 53 are uniformly distributed along the circumferential direction of the mounting seat 5, and each support plate 53 is parallel to the corresponding fixing section 411 of the fixing elastic sheet 41. The articulated shaft of backup pad 53 and mount pad 5 is overlapped and is equipped with a torsional spring 531, and the one end of torsional spring 531 is with backup pad 53 rigid coupling other end and mount pad 5 rigid coupling, and the natural state of torsional spring 531 orders about backup pad 53 to rotate to the length direction perpendicular to axis of mount pad 5 of backup pad 53. One side of the mounting seat 5, which is far away from the lighting head 1, is further fixedly connected with a limiting plate 54, the diameter of the limiting plate 54 is larger than that of the mounting seat 5, and when the supporting plate 53 rotates to the axis perpendicular to the mounting seat 5, the supporting plate is clamped by the limiting plate 54, so that the supporting plate 53 is limited from continuing to rotate. When the supporting plate 53 rotates to be parallel to the limiting plate 54, a rotating shaft 532 is vertically and fixedly connected to one surface of the supporting plate 53 facing the limiting plate 54, a connecting plate 55 is rotatably connected to the rotating shaft 532, and the connecting plate 55 can rotate around the axial direction of the rotating shaft 532. The end of the supporting plate 53 away from the hinge is further fixed with a foot pad 56, and the foot pad 56 is located on the side of the supporting plate 53 fixed with the connecting plate 55. When the supporting plate 53 rotates to be perpendicular to the axial direction of the protective shell 4, the limiting plate 54, the connecting plate 55 and the foot pad 56 are flush with the surface of the protective shell 4 away from the limiting plate.

When a user needs to fix the flashlight and enable the lighting head 1 of the flashlight to vertically irradiate upwards, the protective shell 4 can be sleeved on the end cover 3, and the supporting plate 53 is enabled to rotate to be perpendicular to the axial direction of the protective shell 4. At this time, the user can vertically erect the highlight flashlight on the ground and make the limiting plate 54, the connecting plate 55 and the foot pad 56 mutually lean against the ground, so that the highlight flashlight is supported, and the placing stability of the flashlight during erection and upward irradiation is improved. Ball articulated setting between mount pad 5 and the protective housing 4 for the highlight flashlight can also carry out the adjustment of certain angle when being propped up, and fixed through damping pad 52, makes the flashlight can adjust in certain angle when being propped up, and then has improved the convenience of flashlight when using. When the connecting plate 55 rotates to be perpendicular to the supporting plate 53, stress points of the flashlight during erecting are increased through the mutual matching of the connecting plate 55 and the foot pads 56, and the stability of the flashlight erecting is improved.

As shown in fig. 3, the peripheral surface of the housing is further provided with a receiving groove 46 for receiving the support plate 53 therein, and the depth of the receiving groove 46 is equal to the sum of the thickness of the support plate 53 and the thickness of the connecting plate 55, so that the support plate 53 and the connecting plate 55 can be simultaneously received in the receiving groove 46. The shell is further sleeved with a fixing ring 47, external threads are formed on the circumferential surface of the shell, the fixing ring 47 is in threaded fit with the shell, when the supporting plate 53 rotates into the accommodating groove 46, a user can screw the fixing ring 47, the fixing ring 47 rotates to the position above the supporting plate 53 and abuts against the connecting plate 55, the supporting plate 53 is accommodated, and the situation that the supporting plate 53 is paid out to the outer side of the protective shell 4 and occupies space is reduced; the convenience of carrying the highlight flashlight by a user is improved. Because every backup pad 53 and the fixed shell fragment 41 one-to-one that corresponds, when the staff establishes protective housing 4 at illuminating head 1 and makes fixed shell fragment 41 and fixation nut 11 side block position each other, the staff can regard backup pad 53 as the reference, observe and adjust protective housing 4, when making backup pad 53 on protective housing 4 and fixation nut 11 side be parallel to each other, then establish protective housing 4 on illuminating head 1, fixed shell fragment 41 is just in time contradicted on fixation nut 11's side this moment, thereby the convenience of protective housing 4 and illuminating head 1 mutual grafting fixation has been improved.

The implementation principle of the embodiment is as follows: when the highlight flashlight is not in use, the protective housing 4 is sleeved on the end part of the lighting head 1 and protects the lighting head 1, when the highlight flashlight is required to be used, a worker can pull the protective housing 4 off, turn on the flashlight and sleeve the protective housing 4 on the tail part of the highlight flashlight, so that the highlight flashlight is normally used, when the flashlight is required to be immediately arranged for lighting, the worker can screw the fixing ring 47 in a screwing mode, the fixing ring 47 is separated from the supporting plate 53, and the supporting plate 53 is popped out under the action of the torsion spring 531 and is perpendicular to the axis of the protective housing 4. And then the worker rotates the connection plate 55 to be perpendicular to the support plate 53 and places the connection plate 55 on the ground, so that the flashlight is erected vertically. The staff can also adjust the angle between protective housing 4 and mount pad 5 within a certain limit as required to the angle of illumination of adjustment highlight flashlight.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a highlight flashlight, includes battery compartment (2), and the both ends of battery compartment (2) are provided with an illumination head (1) and an end cover (3) respectively, its characterized in that: the illuminating head (1) is sleeved with a protective shell (4), a fixed elastic sheet (41) used for fixing the protective shell (4) and the illuminating head (1) is arranged in the protective shell (4), and the fixed elastic sheet (41) comprises a fixed section (411), an arching section (412) and a free section (413) which are sequentially connected; the fixed section (411) is located fixed shell fragment (41) towards inside one side of protective housing (4) and with protective housing (4) inner wall rigid coupling, the middle part of arching section (412) sticks up from protective housing (4) inner wall setting and the contained angle of arching section (412) and fixed section (411) is greater than the contained angle of arching section (412) and free section (413), protective housing (4) inner wall is seted up and is held free section (413) male chute (42), when protective housing (4) cover was established on illumination head (1), arching section (412) towards the one end screens of one side of fixed section (411) and illumination head (1) towards battery compartment (2).

2. A glare flashlight of claim 1, wherein: the tip rigid coupling of illumination head (1) has one with battery compartment (2) threaded connection's fixation nut (11), and the lateral wall of the canned paragraph (411) of fixed shell fragment (41) and fixation nut (11) is parallel to each other, when protective housing (4) and illumination head (1) interconnect, arch-shaped section (412) and fixation nut (11) border screens each other.

3. A glare flashlight of claim 2, wherein: the number of the fixed elastic sheets (41) is at least three along the circumferential direction of the inner wall of the protective shell (4).

4. A glare flashlight of claim 1, wherein: the closed end of the protective shell (4) is provided with a plurality of detection holes (44).

5. A glare flashlight of claim 2, wherein: protective housing (4) deviate from open-ended one end and are provided with a mount pad (5), it has a plurality of backup pads (53) to articulate on the lateral wall of mount pad (5), be provided with a torsional spring (531) on the articulated shaft of backup pad (53) and mount pad (5), the natural state of torsional spring (531) orders about backup pad (53) to rotate to perpendicular with the axis of protective housing (4), still be provided with limiting plate (54) of restriction backup pad (53) turned angle on mount pad (5), when backup pad (53) rotate to perpendicular and protective housing (4) axis, backup pad (53) and limiting plate (54) screens each other.

6. A glare flashlight of claim 5, wherein: the mounting seat (5) is in ball joint with the protective shell (4), and a damping pad (52) is arranged at the ball joint of the mounting seat (5) and the protective shell (4).

7. A glare flashlight of claim 5, wherein: the protective housing (4) is sleeved with a fixing ring (47) used for fixing the support plate (53), and when the support plate (53) rotates to be parallel to the protective housing (4) in the axial direction, the support plate (53) is clamped between the fixing ring (47) and the protective housing (4).

8. A glare flashlight of claim 7, wherein: the protective shell (4) is provided with an accommodating groove (46) for accommodating the supporting plate (53), and the fixing ring (47) is in threaded connection with the protective shell (4).

9. A glare flashlight of claim 5, wherein: the number of the supporting plates (53) is equal to that of the fixed elastic sheets (41), and the supporting plates (53) correspond to the fixed elastic sheets (41) one by one and are parallel to the fixed sections (411) of the fixed elastic sheets (41).

10. A glare flashlight of claim 9, wherein: accomodate in holding tank (46) when backup pad (53), the perpendicular rigid coupling in one side that backup pad (53) deviate from holding tank (46) has a pivot (532), rotates on pivot (532) and is connected with a connecting plate (55), and the rigid coupling has a pad foot (56) on backup pad (53), and pad foot (56) are located backup pad (53) one side towards connecting plate (55).