CN216789918U

CN216789918U - Quick-release structure for flashlight

Info

Publication number: CN216789918U
Application number: CN202220347111.XU
Authority: CN
Inventors: 王笑春
Original assignee: Shenzhen Yuanlixin Lighting Technology Co ltd
Current assignee: Shenzhen Yuanlixin Lighting Technology Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-06-21
Anticipated expiration: 2032-02-21

Abstract

The utility model belongs to the technical field of electric torches, and particularly discloses a quick-release structure for an electric torch, which comprises a tail cover, an elastic positioning piece arranged in a cavity of the tail cover, and an unlocking piece which is rotatably connected with the tail cover and matched with the elastic positioning piece, wherein the elastic positioning piece comprises a positioning piece matched with the cavity wall of the tail cover, and a spring which is arranged in the cavity of the tail cover and used for exposing a positioning claw of the positioning piece out of the tail cover; the tail cover is sleeved with an external component clamped with the positioning claw; when the unlocking piece is rotated, the positioning piece is driven by the unlocking piece to enable the positioning claw to be hidden in the tail cover, and the external component is in an unlocking state; when the unlocking piece is reset, the positioning piece is under the action of the spring to enable the positioning claw to be exposed out of the tail cover, and at the moment, the external component is in a locking state. With this structural design's quick detach structure, can realize the flexible of positioning pawl through the rotation of deblocking spare convenient and fast ground, then convenient and positioning pawl looks joint's external member's dismouting, easy operation, convenient and practical.

Description

Quick-release structure for flashlight

Technical Field

The utility model relates to the technical field of flashlights, in particular to a quick-release structure for a flashlight.

Background

Most flashlights in the prior art are simple in structure and single in function, cannot be conveniently matched with external components, and further cannot be well expanded in function; although some flashlights are equipped with an external member that extends the functionality, most flashlights are secured to the flashlight, making the external member cumbersome to collapse and remove.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick-release structure for a flashlight, which is compact in structure, convenient and flexible to operate and capable of effectively improving the convenience of dismounting an external component.

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

a quick-release structure for a flashlight comprises a tail cover, an elastic positioning piece arranged in a cavity of the tail cover, and an unlocking piece which is rotatably connected with the tail cover and matched with the elastic positioning piece, wherein the elastic positioning piece comprises a positioning piece matched with the cavity wall of the tail cover, and a spring which is arranged in the cavity of the tail cover and used for exposing a positioning claw of the positioning piece out of the tail cover; the tail cover is sleeved with an external component clamped with the positioning claw; when the unlocking piece is rotated, the positioning piece is driven by the unlocking piece to enable the positioning claw to be hidden in the tail cover, and the external component is in an unlocking state; when the unlocking piece is reset, the positioning piece is under the action of the spring to enable the positioning claw to be exposed out of the tail cover, and at the moment, the external component is in a locking state.

The positioning piece comprises a positioning seat and positioning claws horizontally extending on the side walls of the positioning seat, and the side walls of the tail cover are provided with mounting holes for exposing the positioning claws along the radial direction of the tail cover in a penetrating manner.

The spring is arranged in a C shape, and the positioning seat is extruded by the spring to enable the positioning claw to be exposed out of the mounting hole.

The unlocking piece comprises a cylindrical part inserted into the tail cover cavity and a knob part exposed out of the tail cover cavity, an unlocking protrusion is arranged on the lower end face of the cylindrical part, and a first inclined plane is arranged at one end of the unlocking protrusion.

One end of the positioning seat is provided with a second inclined plane, and the first inclined plane is matched with the second inclined plane.

A flange extends out of the top of the tail cover, and the outer diameter of the flange and the outer diameter of the knob part are both larger than the outer diameter of the cylindrical part; the tail cover is sleeved with an external component clamped with the positioning claw.

And a return spring and a limiting structure used for limiting the rotation angle of the unlocking protrusion are arranged between the lower bottom surface of the knob part and the upper end surface of the flange.

The lower bottom surface of the knob part and the upper end surface of the flange are respectively and correspondingly provided with a first arc-shaped groove, and the cavity formed by the two first arc-shaped grooves is internally provided with the reset spring.

The limiting structure comprises a limiting protrusion protruding from the lower bottom surface of the knob portion and a second arc-shaped groove arranged on the upper end surface of the flange, and the limiting protrusion is inserted into the second arc-shaped groove and is in sliding fit with the second arc-shaped groove.

The middle part of the unlocking piece is coaxially provided with a containing hole, a switch component in threaded connection with the tail cover is arranged in the containing hole, and the switch component is electrically connected with a battery in the flashlight barrel.

The utility model has the beneficial effects that: the utility model discloses a quick-release structure for a flashlight, which comprises a tail cover, an elastic positioning piece arranged in a cavity of the tail cover, and an unlocking piece which is rotatably connected with the tail cover and matched with the elastic positioning piece, wherein the elastic positioning piece comprises a positioning piece matched with the cavity wall of the tail cover, and a spring which is arranged in the cavity of the tail cover and used for exposing a positioning claw of the positioning piece out of the tail cover; the tail cover is sleeved with an external component clamped with the positioning claw; when the unlocking piece is rotated, the positioning piece is driven by the unlocking piece to enable the positioning claw to be hidden in the tail cover, and the external component is in an unlocking state; when the unlocking piece is reset, the positioning piece is under the action of the spring to enable the positioning claw to be exposed out of the tail cover, and at the moment, the external component is in a locking state. With this structural design's quick detach structure, can realize the flexible of positioning pawl through the rotation of deblocking spare convenient and fast ground, then convenient and positioning pawl looks joint's external member's dismouting, easy operation, convenient and practical.

Drawings

FIG. 1 is a top view of the flashlight of the present embodiment.

Fig. 2 is a sectional view of section a-a in fig. 1.

Fig. 3 is a partially enlarged view at B in fig. 2.

Figure 4 is an isometric view of the spacer of figure 3.

Figure 5 is an isometric view of the unlocking member of figure 3.

In the figure:

1. a tail cover; 11. a flange; 21. a positioning member; 211. positioning seats; 2111. a second inclined plane; 212. a positioning claw; 22. a spring; 3. unlocking the lock; 31. a cylindrical portion; 32. a knob portion; 33. an unlocking protrusion; 331. a first inclined plane; 34. a limiting bulge; 4. a return spring; 5. a switch assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Referring to fig. 1 to 5, the present embodiment provides a quick release structure for a flashlight, which can conveniently and quickly complete the extension and retraction of the positioning pawl 212, so as to meet the requirement of assembling and disassembling an external component of the flashlight, and is convenient, quick, time-saving and labor-saving. Preferably, the external member engaged with the flashlight in the embodiment may be configured to be sleeved on a connecting member, an auxiliary member, and the like of the flashlight, so that the function expansion of the flashlight is conveniently and flexibly realized through the engagement of the external member and the quick release structure, and the external member can be conveniently detached. The specific structural arrangement of the external member is disclosed in the related art, and is not described in detail herein.

Specifically, the quick release structure in this embodiment includes tail cover 1 disposed at the tail of the flashlight, an elastic positioning element disposed in the cavity of tail cover 1, and an unlocking element 3 rotatably connected to tail cover 1 and engaged with elastic positioning element. The elastic positioning element comprises a positioning element 21 matched with the cavity wall of the tail cover 1, and a spring 22 arranged in the cavity of the tail cover 1 and used for exposing a positioning claw 212 of the positioning element 21 out of the tail cover 1. With the structure of the quick release structure, when the unlocking piece 3 is rotated, the positioning piece 21 is driven by the unlocking piece 3 to hide the positioning claw 212 in the tail cover 1, and at the moment, an external component sleeved on the flashlight barrel can slide back and forth along the flashlight; on the contrary, when the unlocking member 3 is reset, the positioning member 21 is acted by the spring 22 to expose the positioning pawl 212 to the tail cover 1, and at this time, the positioning pawl 212 can be clamped with the external component, so as to facilitate the positioning of the external component.

More specifically, in the present embodiment, in order to facilitate the installation of the positioning element 21, preferably, the positioning element 21 includes a positioning seat 211 and a positioning claw 212 horizontally extending out of a side wall of the positioning seat 211, and a mounting hole for exposing the positioning claw 212 is formed through a side wall of the tail cover 1 along a radial direction of the tail cover 1. When the positioning claw 212 is inserted into the mounting hole and slidably connected to the mounting hole, when the positioning seat 211 is under the action of the tension of the spring 22 disposed in the cavity of the tail cover 1, the positioning claw 212 is always exposed out of the mounting hole, and further preferably, in order to increase the positioning stability of the external component, the positioning members 21 and the mounting hole in the embodiment are provided with multiple sets and circumferentially distributed on the side wall of the tail cover 1, so that the external component can be positioned more stably and reliably when being clamped with the positioning claw 212.

Further, it is preferable that the spring 22 in the present embodiment is provided in a C shape in order to press the plurality of positioning members 21. Furthermore, in order to facilitate the unlocking of the external member engaged with the positioning pawl 212, in this embodiment, preferably, an unlocking piece 3 is further inserted into the cavity of the tail cover 1, the unlocking piece 3 includes a cylindrical portion 31 inserted into the cavity of the tail cover 1, and a knob portion 32 exposed out of the cavity of the tail cover 1, wherein an unlocking protrusion 33 is provided on a lower end surface of the cylindrical portion 31, and in order to correspondingly drive the plurality of positioning pieces 21, the unlocking protrusions 33 in this embodiment are provided in a plurality and respectively distributed circumferentially around an axis of the unlocking piece 3. Preferably, the unlocking protrusions 33 in this embodiment are arranged in an arc shape, and the same end of each unlocking protrusion 33 is provided with a first inclined surface 331, the first inclined surface 331 is matched with the first inclined surface 331 arranged at one end of the positioning seat 211, when the unlocking piece 3 rotates in the forward direction, the end of the unlocking protrusion 33 provided with the first inclined surface 331 is firstly inserted between the positioning seat 211 and the inner wall of the tail cover 1 and is attached to the second inclined surface 2111, then the unlocking piece 3 continues to rotate, the unlocking protrusion 33 is completely inserted between the positioning seat 211 and the inner wall of the tail cover 1 and drives the positioning seat 211 to squeeze the spring 22 to contract, so that the positioning claw 212 exposed out of the tail cover 1 is hidden in the tail cover 1, and then, the unlocking of the external component can be realized.

Further specifically, in this embodiment, for the unlocking member 3 after rotation to reset, a reset spring 422 and a limiting structure are further provided between two matching surfaces of the unlocking member 3 and the tail cover 1, so that the unlocking member 3 can automatically reset after forward rotation, and the rotation angle of the unlocking member 3 can be limited by the limiting structure. Preferably, in the present embodiment, in order to facilitate the arrangement of the return spring 422 and the limit structure, the flange 11 is extended from the top of the tail cover 1, and the outer diameter of the flange 11 and the outer diameter of the knob portion 32 are both larger than the outer diameter of the cylinder portion 31, so that the arrangement of the flange 11 and the knob portion 32 provides a larger mounting surface for the arrangement of the return spring 422 and the limit structure. More preferably, a return spring 422 and a limiting structure for limiting the rotation angle of the unlocking protrusion 33 are arranged between the lower bottom surface of the knob part 32 and the upper end surface of the flange 11; in addition, the flange 11 can limit the external member sleeved on the tail cover 1 to be separated from the tail cover 1, and the knob part 32 can be conveniently rotated.

Furthermore, in order to facilitate the installation of the return spring 422, in this embodiment, the lower bottom surface of the knob portion 32 and the upper end surface of the flange 11 are respectively provided with a first arc-shaped groove, and the return spring 422 is arranged in the cavity formed by the two first arc-shaped grooves, when the knob portion 32 is rotated forward, because the tail cover 1 is fixed, the return spring 422 can be extruded to contract at this time, when the knob portion 32 is loosened, under the tension action of the return spring 422, the knob portion 32 can be automatically reversed, and then the resetting of the unlocking member 3 is realized.

In addition, as preferred, limit structure in this embodiment includes protruding limit protrusion 34 of locating the lower bottom surface of knob portion 32, and set up in the second arc recess of flange 11 up end, limit protrusion 34 inserts and locates second arc recess and with second arc recess sliding fit, with this cooperation through limit protrusion 34 and second arc recess, inject unlocking member 3's turned angle, then when effectively satisfying the unblock demand, prevent to cause unlocking member 3 and setting element 21 card to die etc. unusually because of unlocking member 3 turned angle is too big.

In addition, the middle part of deblocking spare 3 in this embodiment is still coaxial to be provided with and accomodates the hole, accomodate downthehole be provided with tail-hood 1 threaded connection's switch module 5, switch module 5 is connected with the battery electricity in the flashlight barrel, as preferred, accomodate the hole and can set up to the counter sink, with this coaxial coupling through switch module 5 and tail-hood 1, make deblocking spare 3 can rotate around switch module 5, then the installation of deblocking spare 3 is realized to reliable and stable, prevent deblocking spare 3 and tail-hood 1 and break away from.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A quick-release structure for a flashlight is characterized by comprising a tail cover (1), an elastic positioning piece arranged in a cavity of the tail cover (1), and an unlocking piece (3) which is rotatably connected with the tail cover (1) and matched with the elastic positioning piece, wherein the elastic positioning piece comprises a positioning piece (21) matched with the cavity wall of the tail cover (1), and a positioning claw (212) which is arranged in the cavity of the tail cover (1) and used for positioning the positioning piece (21) is exposed out of a spring (22) of the tail cover (1); the tail cover (1) is sleeved with an external component clamped with the positioning claw (212);

when the unlocking piece (3) is rotated, the positioning piece (21) is driven by the unlocking piece (3) to enable the positioning claw (212) to be hidden in the tail cover (1), and at the moment, the external component is in an unlocking state;

when the unlocking piece (3) resets, the positioning piece (21) is acted by the spring (22) to enable the positioning claw (212) to be exposed out of the tail cover (1), and at the moment, the external component is in a locking state.

2. The quick release structure for the flashlight of claim 1, wherein the positioning member (21) comprises a positioning seat (211) and positioning claws (212) horizontally extending out of the side wall of the positioning seat (211), and mounting holes for exposing the positioning claws (212) are formed in the side wall of the tail cover (1) in a radial direction of the tail cover (1).

3. The quick release structure for flashlight of claim 2 wherein the spring (22) is C-shaped, and the positioning seat (211) is pressed by the spring (22) to expose the positioning pawl (212) to the mounting hole.

4. The quick release structure for the flashlight of claim 2, wherein the unlocking member (3) comprises a cylindrical portion (31) inserted into the cavity of the tail cap (1) and a knob portion (32) exposed out of the cavity of the tail cap (1), the lower end surface of the cylindrical portion (31) is provided with an unlocking protrusion (33), and one end of the unlocking protrusion (33) is provided with a first inclined surface (331).

5. The quick release structure for flashlight of claim 4 wherein one end of the positioning seat (211) is provided with a second inclined surface (2111), and the first inclined surface (331) and the second inclined surface (2111) are matched.

6. The quick release structure for flashlight of claim 4 wherein the top of the tail cap (1) is extended with a flange (11), and the outer diameter of the flange (11) and the outer diameter of the knob portion (32) are both larger than the outer diameter of the cylinder portion (31).

7. The quick release structure for flashlight of claim 6 wherein a return spring (22) and a limiting structure for limiting the rotation angle of the unlocking protrusion (33) are disposed between the lower bottom surface of the knob portion (32) and the upper end surface of the flange (11).

8. The quick release structure for the flashlight of claim 7 wherein the lower bottom surface of the knob portion (32) and the upper end surface of the flange (11) are respectively provided with a first arc-shaped groove, and the cavity formed by the two first arc-shaped grooves is provided with the return spring (22).

9. The quick release structure for flashlight of claim 7 wherein the limiting structure comprises a limiting protrusion (34) protruding from the lower bottom surface of the knob portion (32), and a second arc-shaped groove disposed on the upper end surface of the flange (11), the limiting protrusion (34) being inserted into and sliding-fitted with the second arc-shaped groove.

10. The quick release structure for the flashlight of claim 1 wherein the unlocking member (3) has a receiving hole coaxially formed in the middle thereof, and a switch assembly threadedly connected to the tail cap (1) is disposed in the receiving hole and electrically connected to the battery in the flashlight body.