CN219550461U - Flashlight and tail cover structure - Google Patents

Abstract

The utility model relates to the field of handheld lighting devices, and discloses a flashlight and a tail cover structure, which are used for solving the problems that a structure of a dry lithium flashlight shielding charging interface is complex and the volume of the flashlight is large in the prior art, wherein the tail cover structure at the rear end of the flashlight comprises: the side surface of the fixing piece is provided with a charging interface; the sliding piece is sleeved outside the fixing piece and can slide along the axial direction of the fixing piece; the limiting piece is arranged between the fixing piece and the sliding piece, the sliding piece can be limited to slide, and the position of the limiting piece corresponding to the charging interface of the fixing piece is provided with a hollowed charging port. The tail cover structure can realize that the flashlight charging interface is switched between shielding and exposing, has good waterproof and dustproof effects, and has the advantages of shorter tail cover length, simple structure, easy assembly and low cost.

Description

Flashlight and tail cover structure

Technical Field

The utility model relates to the field of handheld lighting devices, in particular to a flashlight and a tail cover structure.

Background

The aluminum alloy flashlight with the dry lithium general purpose is a handheld lighting tool with a switchable dry battery and a lithium battery as power supplies, wherein the lithium battery can supplement electric energy through a charging interface, and has the advantages of low energy consumption, long service life and reusability.

In the existing flashlight structure, the charging interface is sealed by the flashlight shell due to the requirements of protection of the charging interface and dust prevention and water prevention, and the charging interface can be exposed and connected with a charging wire only by opening the shell during charging. The structure disclosed by the flashlight with the hidden charging interface is disclosed as the flashlight with the bulletin number CN206904669U, and the flashlight comprises a handle tube and a flashlight head, wherein the structure is simple, the flashlight head is connected in the handle tube through a spiral structure, a battery is arranged in the handle tube, the flashlight head is provided with the charging interface and a main control circuit board, the main control circuit board is electrically connected with the charging interface and the battery, when the external thread of the flashlight head is screwed into the internal thread in the handle tube, the charging interface is hidden and sealed, and when charging is needed, the charging interface can be exposed only by reversely screwing the internal thread and the external thread. In the structure, the flashlight head and the handle tube are connected through threads, so that the volumes of the flashlight head and the handle tube are large, a limiting structure is not arranged between the flashlight head and the handle tube, and the flashlight head and the handle tube are easily separated when the flashlight head is screwed out.

Disclosure of Invention

The utility model aims to solve the problems that a dry lithium flashlight shields a charging interface in a complex structure and enables the flashlight to be large in size in the prior art, and provides a flashlight tail cover structure which can realize shielding and exposed switching of the charging interface and has good waterproof and dustproof effects, and the tail cover structure is short in length, simple in structure, easy to assemble and low in cost. The utility model also provides a flashlight using the tail cover structure, a charging interface of the flashlight can be sealed by the tail cover, and the whole structure of the flashlight is compact.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a flashlight tail cap structure, the tail cap structure sets up in the rear end of flashlight stack shell, includes:

the side surface of the fixing piece is provided with a charging interface;

the sliding piece is sleeved outside the fixing piece and can slide along the axial direction of the fixing piece;

the limiting piece is arranged between the fixing piece and the sliding piece, the sliding piece can be limited to slide, and the position of the limiting piece corresponding to the charging interface of the fixing piece is provided with a hollowed charging port.

In the utility model, the charging part connected with the flashlight battery is arranged in the fixing part, the charging interface is exposed outside the flashlight barrel body, the shielding and the exposing of the charging interface are realized by the up-and-down sliding of the sliding part outside the fixing part, when the flashlight is used, the sliding part is close to the flashlight barrel body, the charging interface is shielded by the sliding part, and when the flashlight needs to be charged, the sliding part is slid to be far away from the flashlight barrel body until the charging interface is exposed. According to the utility model, the limiting piece is matched with the sliding piece to limit, so that the sliding piece is prevented from being separated from the fixing piece when sliding.

Preferably, one end of the limiting piece, which is far away from the flashlight barrel body, is provided with an outwards-protruding limiting part. The limiting part is matched with the sliding part, the moving range of the sliding part can be limited, and when the sliding part moves in the direction away from the flashlight barrel body, the sliding part can be blocked by the outwards-protruding limiting part, so that the sliding part cannot be separated from the fixing part.

Preferably, one end of the sliding part far away from the flashlight barrel is an upper sliding part, one end of the sliding part close to the flashlight barrel is a lower sliding part, the inner diameter of the upper sliding part is larger than the diameter of the limiting part, and the inner diameter of the lower sliding part is smaller than the diameter of the limiting part. When the sliding piece slides away from the flashlight barrel, the upper sliding piece can slide beyond the limiting part, so that the charging interface is not shielded by the sliding piece; when the sliding piece moves further, the lower sliding piece is blocked by the limiting part, so that the sliding piece integrally stops moving, and the lower sliding piece is the movement limit of the sliding piece when being attached to the limiting part.

Preferably, a circle of damping piece is arranged on the surface of the limiting part of the limiting piece. The damping piece can seal the gap between the upper sliding piece and the limiting piece, can enhance the waterproof and dustproof effects, has the function of enhancing friction, can prevent the sliding piece from skidding when moving, and also can prevent the sliding piece from moving by itself.

Preferably, a circle of groove is formed in the surface of the limiting part, and a damping part is fixed in the groove. The damping piece is arranged in the groove, so that the combination effect between the damping piece and the limiting part can be enhanced, and the falling possibility of the damping piece is reduced.

Preferably, a circle of sealing piece is arranged on one side of the charging port, which is close to the flashlight barrel body, on the surface of the limiting piece. When the slider slides to the flashlight barrel direction, the lower slider can contact with the sealing element to stop sliding and realize spacing, and the sealing element can fill the space between the lower slider and the spacing element so as to realize the sealing of the space of the charging interface, and then improve waterproof and dustproof effects.

Preferably, a circle of groove is arranged between the charging port and the flashlight barrel body in the limiting piece, and a sealing piece is fixed in the groove. The sealing element is arranged in the groove, so that the combination effect between the sealing element and the limiting element can be enhanced, and the possibility of falling off of the sealing element is reduced.

Preferably, the seal is an elastomeric polymer. When the sealing element has elasticity, the sealing element can seal the gap between the lower tail cover and the pressing element, so that the sealing element has a limiting function and can improve the sealing performance.

Preferably, the tail cover structure further comprises a pressing ring arranged at one end, far away from the flashlight barrel, of the fixing piece and the limiting piece. The pressing ring has the effect of shielding the fixing piece and improving the attractiveness of the tail cover, and can also improve the sealing effect of the tail cover.

Preferably, the charging interface is a Mini USB interface, a Micro USB interface, a Type-C interface, or a lighting interface. The structure of the utility model is suitable for charging interfaces with various specifications.

A flashlight comprises a barrel body, wherein the front end of the barrel body is provided with a light-emitting part, and the rear end of the barrel body is provided with the tail cover structure. The charging interface of the flashlight can realize the switching between shielding and exposure, has good waterproof and dustproof effects, and has small whole volume and easy assembly of the structure.

Therefore, the utility model has the following beneficial effects: (1) The shielding and exposing switch of the charging interface can be realized, the charging interface has a waterproof and dustproof protection effect, and the sliding part cannot be separated from the flashlight in the switching process, so that the sliding part is prevented from being lost in the using process; (2) The structure is simple, the whole length of the tail cover structure is shorter, the diameter is smaller, and the volume of the flashlight can be reduced; and (3) the tail cover structure is easy to assemble and low in manufacturing cost.

Drawings

FIG. 1 is a schematic cross-sectional view of the flashlight tail cap of the present utility model in a closed position.

Fig. 2 is a schematic cross-sectional view of the flashlight of the present utility model in an open position.

Fig. 3 is a schematic diagram of the flashlight with the tail cap of the flashlight opened.

In the figure: 10-fixed part, 11-charging interface, 20-slider, 21-upper slider, 22-lower slider, 30-spacing part, 31-spacing part, 32-damping part, 33-sealing part and 40-clamping ring.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

A flashlight comprises a flashlight body, wherein a luminous part is arranged at the front end of the flashlight body, a tail cover is arranged at the rear end of the flashlight body, and the tail cover is shown in fig. 1 and 2 and comprises a fixing piece 10, a sliding piece 20, a limiting piece 30 and a pressing ring 40. The bottom of the fixing piece 10 is fixed in the flashlight barrel, the top of the fixing piece 10 is arranged outside the flashlight barrel, a charging part connected with a lithium battery of the flashlight through a wire is arranged in the fixing piece 10, and a Type-C charging interface 11 of the charging part is arranged on the side face of the top of the fixing piece 10; the limiting piece 30 is clamped on the outer side of the fixing piece 10, the bottom of the limiting piece 30 is arranged between the fixing piece 10 and the flashlight barrel body, a circle of limiting part 31 protruding outwards is arranged at the top of the limiting piece 30, a circle of groove is formed in the limiting part of the limiting piece 30, a damping piece 32 is fixed in the groove, the damping piece 32 is a rubber ring, the cross-section diameter of the rubber ring is larger than the depth of the groove, a hollowed charging port is formed in the position, corresponding to the Type-C charging port 11, of the limiting piece 30, so that a charging wire can be connected with the charging port 11 through the charging port of the limiting piece 30, a circle of groove is formed below the charging port, a sealing piece 33 is placed in the groove, and the cross-section diameter of the sealing piece 33 is a rubber ring and is larger than the depth of the groove; the sliding piece 20 is sleeved outside the limiting piece 30, the sliding piece 20 is a combination of a hollow cylindrical upper sliding piece 21 and a hollow cylindrical lower sliding piece 22 which are connected, wherein the inner wall of the lower sliding piece 22 protrudes inwards relative to the inner wall of the upper sliding piece 21, the distance between the inner wall of the upper sliding piece 21 and the limiting piece 30 is smaller than the height of the damping piece 32 higher than the surface of the limiting piece 31, the inner diameter of the lower sliding piece 22 is smaller than the diameter of the limiting piece 31, and the distance between the inner wall of the lower sliding piece 22 and the limiting piece 30 is smaller than the height of the sealing piece 33 higher than the surface of the limiting piece 30; the bottom of the pressing ring 40 is a cylinder with a hollowed-out middle part, the top of the pressing ring 40 is a cylinder with a diameter larger than that of the bottom of the pressing ring 40, the top cap of the fixing piece 10 is placed in the hollowed-out part of the bottom of the pressing ring 40, and the outer side of the hollowed-out part of the bottom is clamped with the inner side of the limiting piece 30;

when the flashlight needs to be charged, the user can push the sliding part 20 to the pressing ring 40 until the lower sliding part 22 is attached to the limiting part 31 of the limiting part 30, as shown in fig. 3, the Type-C charging interface 11 is exposed, and then the charging wire is connected with the Type-C charging interface 11 for charging. The slider 20 does not move under the influence of gravity under the action of the damping member 32 during charging. After the charging is completed, the sliding member 20 is pushed to the direction of the flashlight barrel until the lower sliding member 22 is attached to the flashlight barrel, at this time, the sealing member 33 is located between the lower sliding member 22 and the limiting member 30, and the charging interface 11 is closed by the sliding member 20.

Claims (10)

1. The utility model provides a flashlight tail cap structure, its characterized in that, tail cap structure sets up in the rear end of flashlight stack shell, includes:

a fixing piece (10), wherein a charging interface (11) is arranged on the side surface of the fixing piece;

the sliding piece (20) is sleeved outside the fixing piece and can slide along the axial direction of the fixing piece;

the limiting piece (30) is arranged between the fixing piece and the sliding piece, the sliding piece can be limited to slide, and the position of the limiting piece corresponding to the charging interface of the fixing piece is provided with a hollowed charging port.

2. A flashlight tail cap structure as claimed in claim 1 wherein said stop member has an outwardly projecting stop portion (31) at an end thereof remote from the flashlight body.

3. The flashlight tail cap structure of claim 2 wherein said slider has an upper slider (21) at an end thereof remote from the flashlight body and a lower slider (22) at an end thereof adjacent the flashlight body, the upper slider having an inner diameter greater than the diameter of the stopper portion of the stopper and the lower slider having an inner diameter less than the diameter of the stopper portion.

4. A flashlight tail cap structure as claimed in claim 3 wherein said stop member has a stop portion surface provided with a ring of damping members (32).

5. The flashlight tail cap structure of claim 2 wherein said retainer has a circumferential groove in a surface thereof, and a damping member is secured within said groove.

6. A flashlight tail cap structure as claimed in claim 1 wherein said stop member surface is provided with a ring of sealing member (33) on the side of the charging port adjacent the flashlight body.

7. The flashlight tail cap structure of claim 1 wherein a ring of grooves is formed in said retainer at a location between said charging port and said flashlight body, and a seal is secured within said grooves.

8. A flashlight tail cap structure as claimed in claim 6 or 7 wherein said seal is an elastomeric polymer.

9. The flashlight of claim 1, further comprising a clamping ring (40) disposed at an end of the retainer and the stop member remote from the flashlight body.

10. A flashlight which comprises a barrel, wherein a luminous part is arranged at the front end of the barrel, and the tail cover structure as claimed in any one of claims 1 to 9 is arranged at the rear end of the barrel.