CN215674837U - Tail cover assembly of lighting device and lighting device - Google Patents

Abstract

The utility model provides a tail cover assembly of a lighting device and the lighting device. The tail-cap assembly of the lighting device includes: the shell is provided with an accommodating cavity and a mounting groove communicated with the accommodating cavity, the accommodating cavity extends along a first direction, and the mounting groove extends along a second direction forming an included angle with the first direction; the first circuit board is positioned in the accommodating cavity and is electrically connected with the power supply; the first switch part is at least partially positioned in the accommodating cavity and comprises a contact pin structure which is movably arranged along a first direction, and the contact pin structure has a first state of being electrically connected with the first circuit board and a second state of being disconnected with the first circuit board; and at least part of the second switch part is positioned in the mounting groove, the second switch part comprises a key structure and a switch piece which are sequentially connected, and the switch piece is connected with the first circuit board. The tail cover assembly of the lighting device in the technical scheme of the utility model can enable an operator to more easily operate the lighting device by one hand.

Description

Tail cover assembly of lighting device and lighting device

Technical Field

The utility model relates to the technical field of lighting equipment, in particular to a tail cover assembly of a lighting device and the lighting device.

Background

The lighting device generally includes two switches, one switch is used for controlling the on/off of the light source of the lighting device and for switching the brightness of the light source, and the other switch is generally used for realizing the functions of spot emission or flash. And one switch in two switches of lighting device among the prior art generally sets up at the stack shell, and another switch in two switches generally sets up at the section of thick bamboo tail, like this, can make the interval between two switches great to make operating personnel can't use two switches with the same gesture of holding a section of thick bamboo.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a tail cover assembly of an illuminating device and the illuminating device, wherein the tail cover assembly of the illuminating device can enable an operator to operate the illuminating device more easily with one hand.

To achieve the above object, according to an aspect of the present invention, there is provided a tail cap assembly of a lighting device, including: the shell is provided with an accommodating cavity and a mounting groove communicated with the accommodating cavity, the accommodating cavity extends along a first direction, and the mounting groove extends along a second direction forming an included angle with the first direction; the first circuit board is positioned in the accommodating cavity and is electrically connected with the power supply; the first switch part is at least partially positioned in the accommodating cavity and comprises a contact pin structure which is movably arranged along a first direction, and the contact pin structure has a first state of being electrically connected with the first circuit board and a second state of being disconnected with the first circuit board; and at least part of the second switch part is positioned in the mounting groove, the second switch part comprises a key structure and a switch piece which are sequentially connected, and the switch piece is connected with the first circuit board.

Furthermore, the tail cover assembly of the lighting device further comprises a first conductive piece and a second conductive piece arranged at an interval with the first conductive piece, the first conductive piece and the second conductive piece are both arranged on one side of the first circuit board facing the contact pin structure, and when the contact pin structure is in the first state, the contact pin structure is provided with a first position where the first conductive piece and the second conductive piece are both electrically connected with the contact pin structure.

Furthermore, the tail cap assembly of the lighting device further includes a third conductive member disposed on the first circuit board, the height dimensions of the first conductive member 21 and the second conductive member are greater than the height dimension of the third conductive member, and when the contact pin structure is in the first state, the contact pin structure further has a second position where the first conductive member, the second conductive member, and the third conductive member are electrically connected to the contact pin structure.

Further, the first conductive member and the second conductive member each include an elastic body, and the elastic body is telescopically arranged along the first direction to enable the contact pin structure to have the first state.

Further, the contact pin structure includes contact pin body and the first conductor that is located the periphery of contact pin body, the first conductor is located the one end that is close to first circuit board of contact pin body, the first conductor is used for being connected with first electrically conductive piece and second electrically conductive piece electricity, and the first conductor sets up for contact pin body is movably along first direction to make contact pin body and third electrically conductive piece electricity be connected, first switch portion still includes first elastic component, the one end of first elastic component and the protruding butt on the contact pin body, the other end and the first conductor butt of first elastic component.

Furthermore, the contact pin body comprises a main body part and a second conductor connected with the main body part, the first switch part further comprises a second elastic part used for conducting electricity, the second conductor is located between the first conductor and the main body part, one end of the second elastic part is connected with the first conductor, the other end of the second elastic part is connected with the second conductor, and the second conductor is used for being electrically connected with the third conductive part.

Further, lighting device's tailcap subassembly still includes the stopper that sets up in the internal face that holds the chamber, and first switch portion still includes: the key cap is clamped and matched with one end of the contact pin structure, which is far away from the first circuit board; and one end of the third elastic piece is abutted against the stop piece, and the other end of the third elastic piece is abutted against the key cap.

Further, the stylus structure includes a stylus body and a projection at a circumferential side wall of the body piece of the stylus body, the stop cooperating with the projection to limit an extreme position of movement of the projection.

Furthermore, the second switch part also comprises a second circuit board positioned in the mounting groove, the switch piece is arranged on the second circuit board, and the switch piece is electrically connected with the first circuit board through the second circuit board.

According to another aspect of the utility model, there is provided a lighting device comprising a lamp holder, a barrel connected to the lamp holder, a power source located within the barrel, and a tail cap assembly of the lighting device as described above connected to the barrel.

By applying the technical scheme of the utility model, the shell of the tail cover assembly is provided with the first switch part and the second switch part which are both in a state of being electrically connected with the first circuit board, wherein the first switch part is used for switching on or off one circuit on the first circuit board by enabling the interference pin structure to move in the first direction, and the second switch part is used for switching on or off the other circuit on the first circuit board by the switch piece, so that an operator can operate the lighting device by using one hand and switch the lighting mode of the lighting device under the condition that the lighting device has at least two lighting modes, thereby facilitating the operation of the operator.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a cross-sectional view of a lighting device of an embodiment of the utility model;

FIG. 2 illustrates a close-up view of the tailcap assembly of the lighting device of FIG. 1 rotated 90; and

fig. 3 shows a schematic structural diagram of a lighting device of an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a housing; 11. an accommodating chamber; 12. mounting grooves; 13. a stopper; 20. a first circuit board; 21. a first conductive member; 23. a third conductive member; 30. a first switch section; 31. a stylus structure; 311. a stylus body; 312. a protrusion; 313. a first conductor; 314. a second conductor; 32. a key cap; 33. a third elastic member; 34. a first elastic member; 35. a second elastic member; 40. a second switching section; 41. a switch member; 42. a second circuit board; 43. a key structure; 50. a barrel body; 60. a lamp socket; 61. a light source.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that, as shown in fig. 1, in the embodiment of the present invention, the tail cap assembly of the embodiment of the present invention is suitable for a flashlight, i.e., the lighting device is a flashlight.

In the embodiment of the present invention, as shown in fig. 1 and 2, the first direction is an axial direction of the housing, and the second direction is a direction perpendicular to the first direction.

One of the two switches of a lighting device known to the inventor is typically a push button switch and the other of the two switches is typically a magnetic loop switch, so that the lighting device may have problems with magnetic field interference and, because the magnetic loop switch costs more than the push button switch, the cost of the lighting device may increase. Therefore, the embodiment of the utility model provides the tail cover assembly of the lighting device, which has simple structure and low cost and can be operated by one hand, and the lighting device.

In the embodiment of the present invention, the first switch portion 30 is turned on to switch the lighting device to the first lighting mode; another circuit in which the second switching portion 40 is turned on may switch the lighting device to the second lighting mode. Wherein the first illumination mode comprises a spot firing mode and a flashing mode; the second illumination mode includes a normal switch mode and a brightness switching mode, that is, the operator can change the brightness of the illumination device by pressing the key structure 43 of the second switch portion 40, and then turn off the illumination device after pressing for multiple times, the second illumination mode is the same as the prior art, and details are not repeated here.

It should be noted that in the embodiment of the present invention, when the stylus structure 31 is in the first state, the lighting device is switched to the first lighting mode, and when the stylus structure 31 is in the second state, the lighting device is turned off. Wherein when the stylus structure 31 is in a first position in the first state, the illumination device is switched to a spot mode of the first illumination mode; when the stylus structure 31 is in the second position of the first state, the lighting device switches to a burst mode of the first lighting mode.

In the embodiment of the present invention, the first conductive member 21, the second conductive member, the third conductive member 23, the first conductor 313, and the second conductor 314 are all conductive members that are easy to conduct electricity.

As shown in fig. 1 and 3, an embodiment of the present invention provides a lighting device. The lighting device includes a light holder 60, a barrel 50 connected to the light holder 60, a power source located within the barrel 50, and a tail cap assembly connected to the barrel 50.

It should be noted that, in the embodiment of the present invention, two switch portions are respectively disposed on the bottom surface of the housing 10 and the side surface of the housing 10 in fig. 3, which is convenient for an operator to operate with one hand, and the tail cover assembly implemented by the present invention only needs one first circuit board 20 to implement at least two control modes.

It should be noted that, as shown in fig. 1, in the implementation of the present invention, a light source 61 is disposed in the lamp holder 60, and the light source 61 is electrically connected to the first circuit board 20 in the tail cover assembly. In this way, the light source 61 may be placed in the first illumination mode or the second illumination mode by the chip of the first circuit board 20.

As shown in fig. 1 and 2, the tail cap assembly of the embodiment of the present invention includes a housing 10, a first circuit board 20, a first switching part 30, and a second switching part 40. The shell 10 is provided with an accommodating cavity 11 and a mounting groove 12 communicated with the accommodating cavity 11, the accommodating cavity 11 extends along a first direction, and the mounting groove 12 extends along a second direction forming an included angle with the first direction; the first circuit board 20 is positioned in the accommodating cavity 11, and the first circuit board 20 is electrically connected with a power supply; at least a portion of the first switching section 30 is located in the accommodating chamber 11, the first switching section 30 includes a contact pin structure 31 movably disposed in a first direction, the contact pin structure 31 having a first state electrically connected to the first circuit board 20 and a second state disconnected from the first circuit board 20; at least a part of the second switch part 40 is located in the mounting groove 12, the second switch part 40 includes a key structure 43 and a switch member 41 connected in sequence, and the switch member 41 is connected with the first circuit board 20.

In the above technical solution, the first switch portion 30 and the second switch portion 40 are disposed on the housing 10 of the tail cover assembly, and the first switch portion 30 and the second switch portion 40 both have a state of being electrically connected to the first circuit board 20, wherein the first switch portion 30 turns on or off one circuit on the first circuit board 20 by moving the interference pin structure 31 in the first direction, and the second switch portion 40 turns on or off the other circuit on the first circuit board 20 by the switch member 41, so that, in a case that the lighting device has at least two lighting modes, an operator can use a single hand to operate the lighting device and switch the lighting modes of the lighting device, thereby facilitating the operation of the operator.

It should be noted that the first circuit board 20 of the embodiment of the present invention is the same as the control circuit board of the lighting device in the prior art, and the description thereof is omitted here.

Preferably, in the embodiment of the present invention, the key structure 43 includes a rubber cap and a rubber cap pressing ring. Wherein, the rubber cap clamping ring presses and installs part of the rubber cap in the mounting groove 12.

As shown in fig. 1 and 2, in the embodiment of the present invention, the tail cap assembly of the lighting device further includes a first conductive member 21 and a second conductive member spaced apart from the first conductive member 21, the first conductive member 21 and the second conductive member are both disposed on a side of the first circuit board 20 facing the contact pin structure 31, and when the contact pin structure 31 is in the first state, the contact pin structure 31 has a first position where the first conductive member 21 and the second conductive member are both electrically connected to the contact pin structure 31.

With the above arrangement, when the contact pin structure 31 moves in the first direction to contact the first conductive member 21 and the second conductive member, that is, when the contact pin structure 31 is in the first position, the contact pin structure 31 can conduct the first conductive member 21 and the second conductive member on the first circuit board 20, so that the control chip of the first circuit board 20 can detect a signal and switch the lighting device to the spot mode of the first lighting mode.

As shown in fig. 2, in the embodiment of the present invention, each of the first conductive member 21 and the second conductive member includes an elastic body that is telescopically arranged in a first direction to allow the contact pin structure 31 to have the first state.

With the above arrangement, the contact pin structure 31 can move along the first direction to contact with the elastic body and then move along the first direction, so that the contact pin structure 31 can contact with other conductive members on the first circuit board 20 to conduct other circuits, and thus the first illumination mode can include at least one mode, and the illumination function of the illumination device can be increased.

Preferably, in the embodiment of the present invention, the first conductive member 21 and the second conductive member are both springs made of conductive materials.

As shown in fig. 2, in the embodiment of the present invention, the tail cap assembly of the lighting device further includes a third conductive member 23 disposed on the first circuit board 20, the first conductive member 21 and the second conductive member have a height dimension greater than that of the third conductive member 23, and when the contact pin structure 31 is in the first state, the contact pin structure 31 has a second position where the first conductive member 21, the second conductive member and the third conductive member 23 are electrically connected to the contact pin structure 31.

With the above arrangement, after the contact pin structure 31 contacts both the first conductive member 21 and the second conductive member, the contact pin structure 31 continues to move along the first direction to contact the third conductive member 23, that is, the contact pin structure 31 is in the second position, so that the first conductive member 21, the second conductive member, and the third conductive member 23 can be electrically connected through the contact pin structure 31 to form another circuit, thereby realizing the burst mode when the contact pin structure 31 is in the first state.

In the embodiment of the present invention, if the first conductive device 21 and the second conductive device are both elastic bodies, the height dimension of the elastic body in the free state should be greater than the height dimension of the third conductive device 23, the height dimension of the elastic body refers to the length of the elastic body in the first direction, and the height of the third conductive device 23 refers to the length of the third conductive device 23 in the first direction.

Specifically, in the embodiment of the present invention, when the operator lightly presses the contact pin structure 31, the contact pin structure 31 is conducted with the first conductive member 21 and the second conductive member of the first circuit board 20, and at this time, the chip of the first circuit board 20 detects a signal, thereby controlling the lighting device to implement the spot mode; when the operator presses the contact pin structure 31 again, the contact pin structure 31 is simultaneously conducted with the first conductive member 21, the second conductive member and the third conductive member 23 of the first circuit board 20, so that the chip of the first circuit board 20 detects another signal, thereby controlling the lighting device to realize the burst mode; when the operator is loose, the lighting device may be turned off.

Preferably, in the embodiment of the present invention, after the contact pin structure 31 moves by a first preset stroke, the first conductive member 21 and the second conductive member are electrically connected to the contact pin structure 31, where the first preset stroke is a distance between an end surface of the contact pin structure 31 facing the first circuit board 20 and an end surface of the first conductive member 21 facing the contact pin structure 31 when the contact pin structure 31 is not operated; after the contact pin structure 31 moves a second preset stroke, the first conductive member 21, the second conductive member and the third conductive member 23 all contact the contact pin structure 31, and the second preset stroke refers to a difference between a free length of the first conductive member 21 (the second conductive member) and a length of the third conductive member.

Preferably, in the embodiment of the present invention, the range size of the first preset stroke is 2mm ± 0.5 mm; the range size of the second preset stroke is 2mm +/-0.5 mm.

Of course, in an alternative embodiment not shown in the drawings, a plurality of elastic bodies (a fourth conductive member, a fifth conductive member, etc.) having different free lengths may be further provided, so that the contact pin structure 31 may be conducted with different conductive members by changing the stroke of the contact pin structure 31, that is, the contact pin structure 31 may be first conducted with the first conductive member 21 and the second conductive member to detect the chip of the first circuit board 20 and emit one signal, and then the contact pin structure 31 may be continuously moved in the first direction until the first conductive member 21, the second conductive member, and the fourth conductive member are all in contact with the contact pin structure 31, so that the chip of the first circuit board 20 may detect and emit a second signal, and then the contact pin structure 31 may be continuously moved in the first direction until the first conductive member 21, the second conductive member, the fourth conductive member, and the fifth conductive member are all in contact with the contact pin structure 31, therefore, the chip of the first circuit board 20 can detect and emit a third signal, and then the contact pin structure 31 can move along the first direction until the first conductive member 21, the second conductive member, the third conductive member 23, the fourth conductive member and the fifth conductive member all contact with the contact pin structure 31, so that the chip of the first circuit board 20 can detect and emit a fourth signal, and thus, the chip of the first circuit board 20 can detect and emit various signals, and the lighting device can realize different functions.

As shown in fig. 2, in the embodiment of the present invention, the tail cover assembly of the lighting device further includes a stopper 13 disposed on an inner wall surface of the accommodating chamber 11, and the first switch portion 30 further includes a key cap 32 and a third elastic member 33. The key cap 32 is in snap fit with one end of the contact pin structure 31 far away from the first circuit board 20; one end of the third elastic member 33 abuts against the stopper 13, and the other end of the third elastic member abuts against the key cap 32.

With the above arrangement, when an operator presses the key cap 32, the key cap 32 can compress the third elastic member 33, and the contact pin structure 31 moves in the first direction, so that the first illumination mode can be realized; when the lighting device needs to be turned off, the restoring force of the third elastic member 33 can restore the key cap 32 and the contact pin structure 31 to the original positions.

As shown in fig. 2, in the embodiment of the present invention, the stylus structure 31 includes a stylus body 311 and a protrusion 312 at a circumferential side wall of the stylus body 311, and the stopper 13 cooperates with the protrusion 312 to limit an extreme position of movement of the protrusion 312.

With the above arrangement, when the third elastic piece 33 carries the key cap 32 and the contact pin body 311 to the left in the first direction in fig. 2, the stopper 13 can prevent the contact pin body 311 and the key cap 32 from coming out of the accommodating chamber 11 in the first direction.

As shown in fig. 2, in the embodiment of the present invention, the contact pin structure 31 further includes a first conductor 313 located on an outer periphery of the contact pin body 311, the first conductor 313 is located at an end of the contact pin body 311 close to the first circuit board 20, the first conductor 313 is configured to be electrically connected to the first conductive member 21 and the second conductive member, and the first conductor 313 is movably disposed in the first direction with respect to the contact pin body 311 so as to electrically connect the contact pin body 311 to the third conductive member 23, the first switch portion 30 further includes a first elastic member 34, one end of the first elastic member 34 abuts against the protrusion 312, and the other end of the first elastic member 34 abuts against the first conductor 313.

Through the above arrangement, the operator presses the key cap 32, and moves the contact pin body 311 with the first conductor 313 to the right along the first direction in fig. 2, the first conductor 313 contacts and compresses the first conductive member 21, at this time, the restoring force of the first conductive member 21 can react on the first conductor 313 and the first elastic member 34, the first elastic member 34 can be compressed, and the restoring force of the first elastic member 34 can be fed back to the hand of the operator through the contact pin body 311 and the key cap 32, so that the feedback hand feeling can be generated, and the experience feeling of the user can be further improved.

In the above technical solution, if the first conductive member 21 and the second conductive member do not include an elastic body (i.e. the first conductive member 21 and the second conductive member are not elastic members), the lighting device may be switched from the spot lighting mode to the burst flashing mode by moving the first conductor 313 relative to the contact pin body 311 along the first direction. Specifically, when the contact pin structure 31 moves in the first direction until the first conductive member 21 and the second conductive member contact the first conductor 313, the contact pin structure 31 is in the first position of the first state, that is, the lighting device is in the spot mode, and then when the contact pin structure 31 continues to move in the first direction, the first conductor 313 abuts against the first conductive member 21 and the second conductive member, and the contact pin body 311 does not move any further, so that the contact pin body 311 can contact the third conductive member 23, and that the first conductive member 21, the second conductive member, and the third conductive member 23 can be connected to the contact pin structure 31, so that the contact pin structure 31 is in the second position of the first state, that is, the lighting device is in the burst mode.

As shown in fig. 2, in the embodiment of the present invention, the contact pin body 311 includes a main body member and a second conductor 314 connected to the main body member, the first switching portion 30 further includes a second elastic member 35 for conducting electricity, the second conductor 314 is located between the first conductor 313 and the main body member, one end of the second elastic member 35 is connected to the first conductor 313, the other end of the second elastic member 35 is connected to the second conductor 314, and the second conductor 314 is used for electrically connecting to the third conductive member 23.

With the above arrangement, the first conductor 313 can be connected to the contact pin body 311 via the second conductor 314, and the first conductor 313 is slidably fitted to the second conductor 314, so that the first conductor 313 can be moved in the first direction relative to the contact pin body 311; further, the first conductor 313 and the second conductor 314 are connected by the second elastic member 35, so that the first conductive member 21 and the second conductive member are conducted with the third conductive member 23 through the first conductor 313, the second elastic member 35 and the second conductor 314, and the second elastic member 35 is telescopically arranged in the first direction, thereby preventing the first conductor 313 from being restricted from moving.

As shown in fig. 2, in the embodiment of the present invention, the second switch portion 40 further includes a second circuit board 42 located in the mounting groove 12, the switch member 41 is disposed on the second circuit board 42, and the switch member 41 is electrically connected to the first circuit board 20 through the second circuit board 42.

With the above arrangement, the switch member 41 can be installed in the installation groove 12 through the second circuit board 42, and another circuit on the first circuit board 20 can be turned on or off by controlling the on/off of the switch member 41, so that a second illumination mode is realized to control the on/off of the illumination device or adjust the brightness of the illumination device after the illumination device is turned on.

Specifically, in the embodiment of the present invention, one end of the switching element 41 is connected to one conductive element on the second circuit board 42, the other end of the switching element 41 is connected to the other conductive element on the second circuit board 42, and the two conductive elements are respectively connected to the two conductive elements on the first circuit board 20 through wires, so that the other circuit on the first circuit board 20 can be turned on or off by controlling the on/off of the switching element 41.

Preferably, in the embodiment of the present invention, the second circuit board 42 is a PCB board.

Preferably, in the embodiment of the present invention, the switch member 41 is a tact switch or the like.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: through set up first switch portion and second switch portion on the casing at the tail-hood subassembly to first switch portion and second switch portion all have the state of being connected with first circuit board electricity, wherein, first switch portion switches on or breaks off a circuit on the first circuit board through making the needle structure of contradicting move in the first direction, second switch portion switches on or breaks off another circuit on the first circuit board through the switch spare, like this, under lighting device has two kinds of lighting modes's the condition at least, operating personnel can use one hand to operate lighting device and switch lighting device's illumination mode, thereby be convenient for operating personnel to operate.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A tail cap assembly for a lighting device, comprising:

the shell (10) is provided with an accommodating cavity (11) and a mounting groove (12) communicated with the accommodating cavity (11), the accommodating cavity (11) extends along a first direction, and the mounting groove (12) extends along a second direction forming an included angle with the first direction;

a first circuit board (20) located in the accommodating cavity (11), the first circuit board (20) being electrically connected with a power supply;

a first switch portion (30), at least a portion of the first switch portion (30) being located within the receiving cavity (11), the first switch portion (30) including a contact pin structure (31) movably arranged in the first direction, the contact pin structure (31) having a first state of being electrically connected to the first circuit board (20) and a second state of being disconnected from the first circuit board (20);

second switch portion (40), at least part second switch portion (40) are located in mounting groove (12), second switch portion (40) are including key structure (43) and switching piece (41) that connect gradually, switching piece (41) with first circuit board (20) are connected.

2. The tail cap assembly of the lighting device according to claim 1, further comprising a first conductive member (21) and a second conductive member spaced apart from the first conductive member (21), the first conductive member (21) and the second conductive member being disposed on a side of the first circuit board (20) facing the contact pin structure (31), the contact pin structure (31) having a first position where the first conductive member (21) and the second conductive member are electrically connected to the contact pin structure (31) when the contact pin structure (31) is in the first state.

3. The tail cap assembly of the lighting device according to claim 2, further comprising a third conductive member (23) disposed on the first circuit board (20), wherein the first conductive member (21) and the second conductive member each have a height dimension greater than a height dimension of the third conductive member (23), and wherein the contact pin structure (31) further has a second position in which the first conductive member (21), the second conductive member, and the third conductive member (23) are electrically connected to the contact pin structure (31) when the contact pin structure (31) is in the first state.

4. The tail cap assembly of a lighting device according to claim 3, wherein the first and second electrically conductive members (21, 21) each comprise an elastomeric body that is telescopically arranged in the first direction to cause the contact pin structure (31) to have the first state.

5. The tail cap assembly of a lighting device according to claim 3, characterized in that the contact pin structure (31) comprises a contact pin body (311) and a first conductor (313) at the outer circumference of the contact pin body (311), the first conductor (313) is located at one end of the contact pin body (311) close to the first circuit board (20), the first conductor (313) for electrical connection with the first conductive member (21) and the second conductive member, and the first conductor (313) is movably arranged in a first direction relative to the contact pin body (311), so that the contact pin body (311) is electrically connected with the third conductive member (23), the first switching part (30) further includes a first elastic member (34), one end of the first elastic piece (34) abuts against a projection on the contact pin body (311), the other end of the first elastic member (34) abuts against the first conductor (313).

6. The tail cap assembly of a lighting device according to claim 5, wherein the contact pin body (311) includes a main body member and a second conductor (314) connected to the main body member, the first switching portion (30) further includes a second elastic member (35) for conducting electricity, the second conductor (314) is located between the first conductor (313) and the main body member, one end of the second elastic member (35) is connected to the first conductor (313), the other end of the second elastic member (35) is connected to the second conductor (314), and the second conductor (314) is for electrically connecting to a third conductive member (23).

7. The tail cap assembly of the lighting device according to any one of claims 1 to 5, further comprising a stopper (13) provided to an inner wall surface of the accommodation chamber (11), the first switching portion (30) further comprising:

a key cap (32) which is in clamping fit with one end of the contact pin structure (31) far away from the first circuit board (20);

and one end of the third elastic piece (33) is abutted against the stop piece (13), and the other end of the third elastic piece (33) is abutted against the key cap (32).

8. The tail cap assembly of a lighting device according to claim 7, wherein the stylus structure (31) comprises a stylus body (311) and a protrusion (312) located at a circumferential side wall of a main body piece of the stylus body (311), the stop (13) cooperating with the protrusion (312) to limit an extreme position of movement of the protrusion (312).

9. The tail cover assembly of the lighting device as claimed in any one of claims 1 to 5, wherein the second switch portion (40) further comprises a second circuit board (42) located in the mounting groove (12), the switch member (41) is disposed on the second circuit board (42), and the switch member (41) is electrically connected with the first circuit board (20) through the second circuit board (42).

10. A lighting device comprising a light holder (60), a barrel (50) connected to said light holder (60), a power source located within said barrel (50), and a tail cap assembly of the lighting device of any one of claims 1 to 9 connected to said barrel (50).

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