CN107606508B

CN107606508B - Electric torch

Info

Publication number: CN107606508B
Application number: CN201711044038.9A
Authority: CN
Inventors: 刘珺; 杨文�
Original assignee: Xeno Co Shangluo Ltd
Current assignee: Xeno Co Shangluo Ltd
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2020-08-11
Anticipated expiration: 2037-10-31
Also published as: CN107606508A

Abstract

The invention belongs to the technical field of lighting devices, and particularly relates to a flashlight which comprises a U-shaped sealing ring, so that a lens has an omnibearing shock-resistant suspension type waterproof structure, the matching of a head cover and a barrel body is changed, and the flashlight is convenient to mount; the positions of the straps and the switch and the connection mode of the straps are changed, the problems of interference with the straps when an existing lighting device is operated by a switch, damage caused by hard connection of the existing lighting device and the straps and the like are solved, meanwhile, the cradle head screw hole is arranged on the tail cover, and the problem that the flashlight is fixed and detached and is not convenient, fast and stable enough is solved.

Description

Electric torch

Technical Field

The invention belongs to the technical field of lighting devices, and particularly relates to a flashlight.

Background

The flashlight is a necessary emergency tool for families, and although the existing flashlight can roughly meet the use requirements, the application of the flashlight is limited in some complex environments due to the limitation of the structural design of the traditional flashlight.

For example, most lenses of the existing flashlights use O-shaped or L-shaped sealing rings, so that one end of the lens is in contact with the sealing ring, and the other end of the lens is in direct hard contact with the pressing ring, which results in poor waterproof and impact resistance of the lens; moreover, most of the existing flashlights can not be fixed quickly when needing to be fixedly used, and the fixing effect is not ideal.

For another example, the positions of the straps and the switch of the existing flashlight with straps are not humanized, so that the flashlight is inconvenient to operate due to the interference of the straps when being switched on and switched off, and false triggering can be caused; and the braces are mostly connected with the flashlight by adopting hooks or hanging rings, and the hard connecting structure can generate friction and collision with the flashlight to cause the white exposure or damage of the hanging ring holes of the lighting device.

In addition, when the existing side-pressing flashlight is installed, the head cover and the barrel body are required to be in threaded connection, under the condition of threaded connection, the angles of the switch wiring holes and the hole positions pressed by the switch are not controllable, so that wiring cannot be easily penetrated, the light cup is likely to be pressed on the line during installation, repeated debugging is required, the assembly efficiency is influenced, and the line or the line leather can be crushed accidentally. Therefore, the installation difficulty is high in the installation process, and the standardized production and assembly are not facilitated.

Disclosure of Invention

The invention aims to provide a flashlight, which solves the problems of weak impact resistance and water resistance of the traditional flashlight lens; furthermore, the problems that the processing procedure of parts of the side-pressing flashlight is complicated, the position and the angle between the wiring hole of the switch and the wiring can not be controlled during assembly, and heat dissipation and water prevention are not facilitated are solved; furthermore, the problems that the existing strap flashlight is interfered with straps when a switch is operated are solved; furthermore, the problems that the existing flashlight with the straps is damaged due to the hard connection between the flashlight and the straps are solved; furthermore, the problem that the flashlight is not convenient, fast and stable enough to fix and disassemble is also solved.

The technical scheme of the invention is to provide a flashlight, which comprises a flashlight body 2, a head cover 1, a light cup 11 positioned in the head cover 1, a lens 12 positioned on the light cup 11 and a pressing ring 13; the cylinder body 2 is connected with the head cover 1, and is characterized in that:

still include U type sealing washer 14, above-mentioned U type sealing washer 14 is from the edge of circumference parcel lens 12, above-mentioned

clamping ring

13 and 1 inner wall threaded connection of skull, and U type sealing washer 14 is compressed tightly to the terminal surface of clamping ring 13, and U type sealing washer 14 circumference outer wall and 1 inner wall in close contact with of skull, all have the clearance between lens 12 and light cup 11 and the clamping ring 13 of being wrapped up by U type sealing washer 14.

Preferably, in order to improve the waterproof performance, the lower part of the sidewall of the U-shaped sealing ring 14 is provided with a taper 141; the fitting portion of the head cover 1 and the U-shaped seal ring 14 is provided with a taper angle 142 fitted to the taper 141.

Preferably, in order to avoid the damage to the U-shaped sealing ring 14 caused by the rotation of the pressing ring 13 when the pressing ring 13 is assembled with the barrel 2, the flashlight of the present invention further comprises a gasket 15, wherein the gasket 15 is arranged between the U-shaped sealing ring 14 and the pressing ring 13.

Preferably, in order to control the position and angle between the wiring hole 24 and the wiring 23 well, the lamp holder assembly 21 of the flashlight of the present invention is screwed with the barrel 2 to form a barrel assembly, the head cover 1 has a wiring hole 24 for the wiring 23 in the lamp holder assembly 21 to pass through, the wiring 23 passes through the wiring hole 24 to be connected with the switch 22, and the barrel assembly passes through the large diameter end 25 of the head cover 1 to be in interference fit with the small diameter end 26 of the head cover 1.

Preferably, in order to ensure that the head cover 1 is tightly fitted with the barrel 2 without causing damage to the barrel 2, the interference of the barrel assembly with the small-diameter end 26 of the head cover 1 is 0.01-0.05 mm.

Preferably, in order to prevent the interference of the strap on the switch, the flashlight of the present invention further comprises a support portion disposed on the head cover 1, wherein the support portion comprises at least three bosses, the switch 22 is located in a recess formed between two adjacent bosses, the bosses defining two sides of the recess are a first boss 31 and a second boss 32, respectively, the third boss 33 is provided with a strap mounting hole 36, and the strap mounting hole 36 and the switch 22 form an included angle of 30-60 °.

According to the conventional habit of people carrying articles, a right shoulder is generally adopted, when people press the switch with the right hand, because the palm is naturally opened, the thumb is positioned at the left side of the rest four fingers, therefore, preferably, for the convenience of pressing, the pit is positioned at the left side of the strap mounting hole 36, and the included angle between the switch 22 and the strap mounting hole 36 is 45 degrees.

Preferably, since the large flashlight is large in size and heavy in weight, if the large flashlight rolls off, the large flashlight can seriously damage the flashlight, and in order to shorten the rolling distance, the support part further comprises a fourth boss 34 and a fifth boss 35, wherein the fourth boss 34 and the fifth boss 35 are respectively arranged symmetrically with the first boss 31 and the second boss 32 with respect to the flashlight body 2;

preferably, in order to facilitate the flashlight to be placed on the ground by means of the first boss 31 and the second boss 32 or the fourth boss 34 and the fifth boss 35, the outer edges of the first boss 31, the second boss 32, the fourth boss 34 and the fifth boss 35 are located on the same circumference, when the flashlight is placed on the placement plane 37 by means of the first boss 31 and the second boss 32, the first boss 31, the second boss 32 and the tail of the flashlight are located on the same plane, and at the moment, the head of the flashlight is at a certain distance from the placement plane 37;

when the flashlight is placed on the placing plane 37 by means of the fourth boss 34 and the fifth boss 35, the fourth boss 34, the fifth boss 35 and the tail of the flashlight are located on the same plane, and at the moment, the head of the flashlight has a certain distance from the placing plane 37.

Preferably, in order to solve a series of problems caused by the hard connection between the existing flashlight and the strap, the flashlight of the present invention further comprises a strap 41 and a second string ring 42;

a sealing ring 43 is arranged at the joint of the tail cover 3 and the barrel 2, the inner diameter of the second rope ring 42 is smaller than the outer diameter of the sealing ring 43, the sealing ring 43 has a certain deformation, and the second rope ring 42 is tightly sleeved on the barrel 2 by passing through the sealing ring 43;

a second strap mounting hole 44 is formed on the second strap 42;

the harness 41 includes a harness body 45, a first connecting string 46, and a second connecting string 47;

one end of the first connecting rope 46 after being folded in half is connected with one end of the brace body 45, and the other end of the first connecting rope 46 after being folded in half forms a closed end;

the closed end of the first connecting string 46 is looped back through the harness installation hole 36 to be tied to the harness installation hole 36;

one end of the second connecting rope 47 after being folded in half is connected with the other end of the brace body 45, and the other end of the second connecting rope 47 after being folded in half forms a closed end;

the closed end of the second connection string 47 is looped back through the second strap attaching hole 44 to be tied to the second strap attaching hole 44.

Preferably, the first connecting string 46 and the second connecting string 47 are umbrella strings.

Preferably, in order to support and use the flashlight in special situations, the tail cover 3 of the flashlight of the present invention is further provided with a tripod head screw hole 51 coaxial with the tail cover, and the tripod head screw hole 51 can be connected with a fixing device such as a tripod.

The invention has the beneficial effects that:

1. according to the invention, the lens is wrapped by the U-shaped sealing silica gel ring, and the lens is prevented from being in direct contact with other parts by the structural arrangement of the pressing ring, the light cup and the head cover, so that the lens has an omnibearing impact-resistant effect, and meanwhile, the sealing and waterproof performance is greatly improved; the lens has the advantages that the structure is simple, the conception is ingenious, the lens has excellent waterproof and impact-resistant performances through the change of the form of the sealing ring, and the effect is obvious;

2. the barrel body assembly penetrates through the large-diameter end of the head cover, the relative position and the angle between the wiring hole and the wiring of the lamp holder assembly are adjusted, the barrel body assembly and the head cover are extruded by a press machine, and the relative position and the angle between the wiring hole of the switch and the wiring can be adjusted and aligned and then assembled; the internal lamp bracket component and the head cover are fixed together after being extruded, so that time and labor are saved;

3. the switch is arranged at the side of the strap mounting hole, so that the interference between the switch and the strap is avoided; meanwhile, the switch is set to be of a sinking structure, so that false triggering can be avoided; moreover, the arrangement of the bosses at the two sides can increase the touch of the switch; meanwhile, the device has the function of preventing the device from rolling; the device has the advantages that through simple structural modification, the device plays a role in many aspects, and has obvious effect;

4. according to the invention, the existing harness and flashlight connecting structure is changed, and the soft connecting structure of the loop of the connecting rope is used for replacing the existing hard connecting structure of the hook or the hanging ring, so that a series of problems caused by hard connection of the existing lighting device and the harness are effectively solved, the existing flashlight lighting device does not need to be greatly changed, and the realization is easy;

5. the invention also comprises a tripod head screw hole arranged on the tail cover, and the tripod head screw hole is connected with a tripod and other fixing devices, so that the stability in the fixing use process is improved, and hands are liberated when the flashlight needs to be fixed.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3a is an exploded view of a part of the structure according to the first embodiment;

FIG. 3b is a cross-sectional view of the first embodiment;

FIG. 4a is an exploded view of a part of the structure of the second embodiment;

FIG. 4b is a cross-sectional view of FIG. 4 a;

FIG. 4c is a sectional view of the whole structure of the second embodiment;

FIG. 5a is a side view of the third embodiment;

FIG. 5b is a front view of the embodiment in a three-dimensional position;

FIG. 6a is a schematic perspective view of a fourth embodiment;

FIG. 6b is a sectional view of the fourth embodiment;

FIG. 6c is a partial enlarged view of the first embodiment;

FIG. 6d is a second enlarged view of a fourth embodiment;

fig. 7 is a schematic partial structure diagram of the fifth embodiment.

The reference numbers in the figures are: 1-head cover, 2-barrel body, 3-tail cover;

11-light cup, 12-lens, 13-pressing ring, 14-U-shaped sealing ring, 15-gasket, 141-taper and 142-taper angle;

21-a lamp holder component, 22-a switch, 23-a wiring, 24-a wiring hole, 25-a large-diameter end and 26-a small-diameter end;

31-a first boss, 32-a second boss, 33-a third boss, 34-a fourth boss, 35-a fifth boss, 36-a strap mounting hole and 37-a placing plane;

41-shoulder strap, 42-second rope ring, 43-sealing ring, 44-second shoulder strap mounting hole, 45-shoulder strap body, 46-first connecting rope, 47-second connecting rope;

51-pan/tilt screw hole.

Detailed Description

As can be seen from the combination of fig. 1 and 2, the flashlight of the invention comprises a head cover 1, a barrel body 2 and a tail cover 3, and the invention improves the corresponding parts of the head cover 1, the barrel body 2 and the tail cover 3.

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example one

In the embodiment, the flashlight lens 12 is wrapped by the U-shaped sealing silica gel ring, and the pressing ring 13, the light cup 11 and the head cover 1 are structurally arranged, so that the lens 12 is prevented from being in direct contact with other parts, the lens 12 has an all-dimensional impact resistance effect, and meanwhile, the sealing and waterproof performance is greatly improved;

referring to fig. 3a and 3b, the optical lens cap includes a cap cover 1, a light cup 11 disposed inside the cap cover 1, a lens 12 disposed on the light cup 11, a U-shaped sealing ring 14 covering the lens 12, a gasket 15 disposed on the U-shaped sealing ring 14, and a pressing ring 13 screwed to the cap cover 1.

When the flashlight is assembled, the mounting position of the head cover 1 is vertically upward, after the internal components are mounted, the light cup 11 is placed at a predetermined position inside the head cover 1, then the lens 12 coated with the U-shaped sealing ring 14 is placed on the light cup 11, then the gasket 15 is placed on the U-shaped sealing ring 14, and finally the pressing ring 13 is screwed into the head cover 1 through a threaded connection structure according to a designed position, so that the formed structure is shown in fig. 3 b.

In fig. 3b, the material of the U-shaped sealing ring 14 is silica gel, the lens 12 is wrapped, the pressing ring 13 is in threaded connection with the head cover 1, the end face of the pressing ring 13 compresses the U-shaped sealing ring 14, and the circumference of the U-shaped sealing ring 14 is in close contact with the head cover 1, so that the lens 12 has a waterproof function. In fig. 3a, the taper 141 provided at the lower portion of the side wall of the U-shaped sealing ring 14 facilitates the sealing between the U-shaped sealing ring 14 and the head cover 1 and the light cup 11, and the taper 142 provided at the matching portion of the head cover 1 and the U-shaped sealing ring 14 and matching with the taper 141 is provided to achieve the effect of tightening the more the pressure is, thereby improving the waterproof performance of the lens 12.

Simultaneously, this embodiment is through the structure setting of clamping ring 13, light cup 11 and skull 1 for lens 12 has avoided the direct contact with other parts, all has the clearance between lens 12 and light cup 11 and the clamping ring 13, and outside impact can not direct action on lens 12, and lens 12 has had the effect of all-round shock resistance.

Example two

In the embodiment, the matching and installation process of the cylinder body 2 and the head cover 1 is improved on the basis of the first embodiment, and referring to fig. 4a, 4b and 4c, the head cover specifically comprises an internal lamp holder assembly 21, the cylinder body 2 and the head cover 1, a switch wiring hole 24 is formed in the side surface of the head cover 1, a wiring 23 in the lamp holder assembly 21 passes through the switch wiring hole 24 to be connected with a switch 22, an external thread is formed on the outer surface of the internal lamp holder assembly 21, an internal thread is formed in the inner wall of the cylinder body 2, and the cylinder body 2 and the internal lamp holder assembly 21 are connected together in a threaded manner to form; the barrel assembly sequentially passes through the large-diameter end 25 of the head cover 1 to be in interference extrusion fit with the small-diameter end 26 of the head cover 1, and the interference magnitude of the barrel 2 assembly in interference fit with the small-diameter end 26 of the head cover 1 is 0.01-0.05 mm. The outer surface of the cylinder body 2 matched with the head cover 1 is provided with a groove, and an O-shaped elastic sealing ring 43 is arranged in the groove, so that the sealing performance of the cylinder body assembly and the lamp holder is improved.

The installation method of the flashlight comprises the following steps:

1) the cylinder body 2 is vertically upward, and the internal lamp holder assembly 21 and the cylinder body 2 are connected together through the external threads on the outer wall of the internal lamp holder assembly 21 and the internal threads on the inner wall of the cylinder body 2 to form a cylinder body assembly;

2) the barrel body assembly is inserted from the large-diameter end 25 of the head cover 1, and the relative position and angle between the switch wiring hole 24 and the assembly wiring 23 of the lamp holder assembly 21 are adjusted;

3) the barrel 2 assembly and the head cover 1 are extruded by a press machine to be tightly matched together.

As long as the hole site angles of the switch wiring hole 24 and the switch 22 are aligned, after extrusion installation, the wiring 23 is picked out of the switch wiring hole 24 by using tweezers, and then the light cup 11 is installed, so that the light cup 11 cannot be pressed to the wire, convenience and rapidness are realized, and standardized production operation is facilitated.

EXAMPLE III

In the embodiment, on the basis of the first embodiment and/or the second embodiment, the positions of the strap mounting hole 36 of the flashlight and the switch 22 are mainly adjusted, so that the interference between the switch 22 and the strap is avoided; meanwhile, a component for preventing the device from rolling is added; referring to fig. 5a and 5b, the flashlight head cover 1 and the switch 22 are included, the flashlight head cover 1 is provided with a supporting portion, the supporting portion includes a plurality of bosses, a strap mounting hole 36 is arranged on one of the bosses, the strap mounting hole 36 is positioned on the third boss 33, a concave pit is arranged at the left side of the strap mounting hole 36 and forms an angle of 45 degrees with the strap 41, the switch 22 is positioned in the concave pit, the two sides of the concave pit are respectively provided with a first boss 31 and a second boss 32, a fourth boss 34 and a fifth boss 35 are arranged at the symmetrical positions of the first boss and the second boss 32 relative to the cylinder body 2, the outer edges of the first boss 31, the second boss 32, the fourth boss 34 and the fifth boss 35 are positioned on the same circumference, when the flashlight is placed on the placing plane 37 by means of the first boss 31 and the second boss 32, the first boss 31, the second boss 32 and the tail part are located on the same plane, and the head part is at a certain distance from the placing plane 37; when the flashlight is placed on the placement plane 37 by means of the fourth projection 34 and the fifth projection 35, the fourth projection 34, the fifth projection 35 and the tail are in the same plane, and the head is at a distance from the placement plane 37 (fig. 5 b).

The strap mounting hole 36 is arranged at the part of the head of the flashlight close to the barrel body 2, and the flashlight is made of aluminum alloy. The body 2 and the tail cover 3 of the flashlight are both provided with rubber sleeves with patterns so as to increase the touch feeling when holding.

When the flashlight of the present embodiment is used in the shoulder hanging mode, the switch 22 is located inside the shoulder strap 41, and the switch 22 does not interfere with the shoulder strap 41 when operated. As shown in FIG. 5b, when the flashlight is laid flat, the bosses on the two sides form two convex points to be contacted with the ground, and the lighting device can be stably placed on the ground.

Example four

In the embodiment, a series of problems caused by hard connection of the existing lighting device and the strap are effectively solved by changing the connection structure of the existing strap and the flashlight.

Referring to fig. 6a, 6b, 6c and 6d, in addition to the third embodiment, a second rope loop 42 is added on the barrel body 2, a second strap installation hole 44 is formed on the second rope loop 42, an external thread is formed at the rear end of the barrel body 2, the tail cover is in threaded connection with the rear end of the barrel body 2, the flashlight further comprises a strap 41, the strap 41 comprises a strap body 45, a first connecting rope 46 and a second connecting rope 47, one folded end of the first connecting rope 46 is connected with one end of the strap 41, the other folded end of the first connecting rope 46 forms a closed end, the strap installation hole 36 is formed at a position of the barrel body 2 close to the head of the flashlight, the closed end of the first connecting rope 46 passes through the strap installation hole 36 and is looped back to be tied at the installation hole of the first connecting rope 46, one folded end of the second connecting rope 47 is connected with the other end of the strap body 45, the other folded end of the second connecting rope 47 forms a closed end, the closed end of the second connecting rope 47 passes through a second rope ring 42 mounting hole arranged on the second rope ring 42 and then is sleeved back on the second rope ring 42, a sealing ring 43 is arranged at the joint of the tail cover and the barrel body 2, the inner diameter of the second rope ring 42 is smaller than the outer diameter of the sealing ring 43, the sealing ring 43 has a certain deformation amount, and the second rope ring 42 passes over the sealing ring 43 and is tightly sleeved on the barrel body 2.

In use, after the strap 41 is installed, the second cord ring 42 is installed in the lighting device barrel 2, passes over the seal ring 43 to reach the position of the second cord ring 42, and finally the tail cap 3 assembly is installed. The inner diameter of the second rope ring 42 is slightly smaller than the outer diameter of the sealing ring 43, the sealing ring 43 is made of silica gel, a certain deformation amount allows the rope ring to cross the sealing ring 43, and the second rope ring 42 is not easy to drop out and can be manually taken out even if the tail cover 3 assembly is not installed after assembly. Both the first connecting string 46 and the second connecting string 47 may be strings.

The second eye 42 is free to rotate, thus ensuring the directional consistency of the two eyelets. The rope adopts closed mode, and the suit is crossed the rope hole back rope and is connected with lighting device for two, and is more durable reliable.

EXAMPLE five

On the basis of any one of the above embodiments, the embodiment improves the tail cover 3 of the flashlight, and mainly comprises the tail cover 3 and the tripod head screw hole 51 processed on the tail cover 3, the tripod head screw hole 51 is coaxial with the tail cover 3, when the flashlight needs to be fixedly used according to a preset requirement, after a fixing device such as a tripod with a tripod head is adjusted, the tail cover 3 part of the flashlight is close to the tripod head, and then the tripod head screw hole 51 and a screw on the tripod head are screwed up in a rotating manner, so that the flashlight can be fixed according to the preset requirement. After the flashlight is used, the flashlight can be quickly and conveniently taken down by directly reversely rotating the cradle head.

Claims

1. A flashlight comprises a flashlight body (2), a head cover (1), a light cup (11) positioned in the head cover (1), a lens (12) positioned on the light cup (11) and a pressing ring (13); the stack shell (2) is connected with the head cover (1), and is characterized in that:

the optical cup is characterized by further comprising a U-shaped sealing ring (14), the edge of the lens (12) is wrapped by the U-shaped sealing ring (14) from the circumferential direction, the pressing ring (13) is in threaded connection with the inner wall of the head cover (1), the U-shaped sealing ring (14) is tightly pressed by the end face of the pressing ring (13), the circumferential outer wall of the U-shaped sealing ring (14) is in close contact with the inner wall of the head cover (1), and gaps are reserved among the lens (12) wrapped by the U-shaped sealing ring (14), the optical cup (11) and the pressing ring (13); the lower part of the side wall of the U-shaped sealing ring (14) is provided with a taper (141); a cone angle (142) matched with the taper (141) is arranged at the matching position of the head cover (1) and the U-shaped sealing ring (14); the sealing device further comprises a gasket (15), wherein the gasket (15) is arranged between the U-shaped sealing ring (14) and the pressing ring (13); the improved structure of the LED lamp is characterized by further comprising a lamp holder assembly (21) and a switch (22), wherein the lamp holder assembly (21) and the barrel body (2) are in threaded connection to form the barrel body assembly, a wiring hole (24) for allowing a wiring (23) in the lamp holder assembly (21) to pass through is formed in the head cover (1), the wiring (23) passes through the wiring hole (24) to be connected with the switch (22), and the barrel body assembly sequentially passes through a large-diameter end (25) of the head cover (1) to be in interference fit with a small-diameter end (26) of the head cover (1);

the head cover further comprises a supporting part arranged on the head cover (1), the supporting part comprises at least three bosses, the switch (22) is positioned in a concave pit formed between two adjacent bosses, the bosses on the two sides of the concave pit are defined as a first boss (31) and a second boss (32), a strap mounting hole (36) is formed in the third boss (33), and an included angle of 30-60 degrees is formed between the strap mounting hole (36) and the switch (22);

the concave pit is positioned at the left side of the strap mounting hole (36), and the included angle between the switch (22) and the strap mounting hole (36) is 45 degrees;

the supporting part further comprises a fourth boss (34) and a fifth boss (35), and the fourth boss (34) and the fifth boss (35) are respectively arranged symmetrically with the first boss (31) and the second boss (32) relative to the flashlight body (2);

the outer edges of the first boss (31), the second boss (32), the fourth boss (34) and the fifth boss (35) are located on the same circumference, when the flashlight is placed on a placing plane (37) through the first boss (31) and the second boss (32), the first boss (31), the second boss (32) and the tail of the flashlight are located on the same plane, and at the moment, the head of the flashlight has a certain distance from the placing plane (37);

when the flashlight is placed on the placing plane (37) through the fourth boss (34) and the fifth boss (35), the fourth boss (34), the fifth boss (35) and the tail of the flashlight are located on the same plane, and at the moment, the head of the flashlight is at a certain distance from the placing plane (37).

2. The flashlight of claim 1, wherein: the interference of the interference fit of the cylinder body component and the small-diameter end (26) of the head cover (1) is 0.01-0.05 mm.

3. The flashlight of claim 2, wherein: also comprises a back belt (41) and a second rope ring (42);

a sealing ring (43) is arranged at the joint of the tail cover (3) and the barrel body (2), the inner diameter of the second rope ring (42) is smaller than the outer diameter of the sealing ring (43), the sealing ring (43) has a certain deformation amount, and the second rope ring (42) passes over the sealing ring (43) and is tightly sleeved on the barrel body (2);

a second strap mounting hole (44) is formed in the second rope ring (42);

the harness (41) comprises a harness body (45), a first connecting rope (46) and a second connecting rope (47);

one end of the first connecting rope (46) after being folded is connected with one end of the brace body (45), and the other end of the first connecting rope (46) after being folded forms a closed end;

the closed end of the first connecting rope (46) passes through the harness mounting hole (36) and is sleeved back so as to be tied at the harness mounting hole (36);

one end of the second connecting rope (47) after being folded is connected with the other end of the brace body (45), and the other end of the second connecting rope (47) after being folded forms a closed end;

the closed end of the second connecting rope (47) passes through the second harness mounting hole (44) and then is looped back so as to be tied at the second harness mounting hole (44).

4. The flashlight of claim 3, wherein: the novel cradle head is characterized by further comprising a cradle head screw hole (51) arranged on the tail cover (3), wherein the cradle head screw hole (51) is coaxial with the tail cover.