CN105953109B

CN105953109B - Multipurpose portable lighting lamp with lamp holder fast-assembling structure

Info

Publication number: CN105953109B
Application number: CN201610492701.0A
Authority: CN
Inventors: 徐雪峰
Original assignee: Individual
Current assignee: Muguang Guangdong Intelligent Lighting Technology Co ltd
Priority date: 2016-06-24
Filing date: 2016-06-24
Publication date: 2023-04-14
Anticipated expiration: 2036-06-24
Also published as: CN105953109A

Abstract

The invention discloses a multipurpose portable lighting lamp with a lamp holder fast-assembling structure, which comprises a lamp holder component and a lamp body component, wherein the lamp holder component is detachably connected to the lamp body component through the fast-assembling structure, and the fast-assembling structure comprises: the plug part is provided with a first guide inclined plane and a second guide inclined plane; the cavity wall of the containing part is provided with a limiting clamping groove; the clamp spring is movably hooped in the limiting clamp groove of the accommodating part; the locking sleeve is movably sleeved outside the accommodating part and is provided with a first limiting position and a second limiting position which are matched with the clamp spring; the return spring is used for moving and returning the locking sleeve relative to the accommodating part; a compression spring for applying an elastic force to the socket opposite to the insertion direction; the lamp holder assembly and the lamp body assembly can be quickly disassembled and assembled through the universal quick-assembling structure, and the aim of one lamp with multiple purposes is fulfilled through the exchange of the lamp holder assemblies of various lighting lamps.

Description

Quick-mounting structure with lamp holder multipurpose portable lighting lamp

Technical Field

The invention relates to the field of lighting lamps, in particular to a multipurpose portable lighting lamp with a lamp holder quick-assembly structure.

Background

The portable lighting lamp is a necessary tool for daily life, such as a flashlight, an outdoor camping lamp, a working lighting lamp and the like, different lamp body and lamp cap structures are designed for the lighting lamp according to different using modes, the lighting lamp with different using modes does not have interchangeability at present, for a user, if the lighting lamp needs to be provided with a plurality of sets of lighting lamps such as a flashlight, a camping lamp, a working lighting lamp and the like, in the actual using process, the probability of the lighting lamps used at the same time is extremely low, unnecessary waste is caused, the purchasing cost is increased, and the portable lighting lamp is inconvenient to store and carry. In addition, the assembly structure of the lamp cap and the lamp body of the prior illuminating lamp is complicated, especially, the lamp cap is inconvenient to assemble and disassemble.

Disclosure of Invention

Aiming at the defects of the prior art, provides a multipurpose portable lighting lamp with a fast lamp holder mounting structure, the lamp holder component and the lamp body component are quickly assembled and disassembled through a universal fast-assembling structure, on the basis, the aim of multiple purposes of one lamp is fulfilled by interchanging the lamp holder components of multiple lighting lamps.

To realize in the above-mentioned object, the object is, the present invention provides the technical scheme is as follows:

a multi-purpose portable lighting fixture with lamp holder fast-assembling structure, includes lamp holder subassembly and lamp body subassembly, the lamp holder subassembly through fast-assembling structure detachably connect on lamp body subassembly, the fast-assembling structure includes: the lamp holder assembly comprises a lamp holder assembly, a plug-in part and a lamp holder assembly, wherein the plug-in part is arranged at the lower end of the lamp holder assembly and is provided with a first guide inclined plane and a second guide inclined plane; the accommodating part is arranged at the upper end of the lamp body assembly and is in splicing fit with the splicing part, and a limiting clamping groove is arranged on the cavity wall of the accommodating part; the clamp spring is movably hooped in the limiting clamp groove of the accommodating part; the locking sleeve is movably sleeved outside the containing part, the locking sleeve is provided with a first limiting position and a second limiting position which are matched with the clamp spring, when the first limiting position is matched with the clamp spring, the clamp spring is limited to expand outwards, and when the second limiting position is matched with the clamp spring, the clamp spring can expand outwards under the guiding action of the first guiding inclined plane or the second guiding inclined plane; the return spring is used for moving and returning the locking sleeve relative to the accommodating part; a compression spring for applying an elastic force to the socket opposite to the insertion direction;

when the inserting part of the lamp cap assembly is inserted into the accommodating part of the lamp body assembly, the first guide inclined surface of the inserting part drives the clamp spring to move to the lower end of the limit clamp groove to correspond to the second limit position, the clamp spring expands outwards under the guide effect of the first guide inclined surface, so that the second guide inclined surface of the inserting part moves to the position matched with the clamp spring, the clamp spring contracts under the self elastic force effect and moves to the upper end of the limit clamp groove to correspond to the first limit position under the guide effect of the second guide inclined surface, and at the moment, the inserting part is stably inserted into the accommodating part under the limit effect of the clamp spring; when the insertion part of the lamp holder assembly is pulled out of the accommodating part of the lamp body assembly, the locking sleeve is moved against the elastic force of the return spring so that the second limit position of the locking sleeve is moved to correspond to the clamp spring, the clamp spring expands outwards under the guiding action of the second guiding inclined plane, so that the clamp spring is separated from the second guiding inclined plane for limiting, and the inserting part can be pulled out from the accommodating part at the moment.

Wherein, still the spiro union have with the spacing stop collar that cooperates of locking cover on the holding portion, the outside cover of grafting portion is equipped with the sealing washer with holding portion inner wall complex. The lamp holder assembly comprises a flashlight lamp holder, an outdoor camping lamp holder and a working illuminating lamp holder, and the flashlight lamp holder, the outdoor camping lamp holder and the working illuminating lamp holder are connected with the lamp body assembly in a replaceable mode.

Further, the lamp body assembly comprises a switch part and a handle part, the lamp holder assembly is connected to the upper end of the switch part through the quick-assembling structure, and the handle part is detachably connected to the lower end of the switch part. The switch portion comprises a switch shell, a locking sleeve, a reset spring, a clamp spring, a compression spring and a switch module, the locking sleeve is sleeved outside the containing portion of the switch shell, two ends of the reset spring are abutted to the switch shell and the locking sleeve respectively, the clamp spring is movably hooped in the limiting clamping groove of the switch shell, the switch module is installed on the lower portion of the switch shell, and two ends of the compression spring are abutted to the lamp holder assembly and the switch module through pressing plates respectively. The stalk portion includes battery barrel, and battery barrel upper end is connected with switch casing through coupling mechanism, and battery barrel lower extreme is connected with the end cover, installs in the battery barrel and is equipped with battery package subassembly, and the battery barrel overcoat is equipped with the flexible rubber sleeve.

In a preferred scheme, the connecting mechanism comprises a threaded connecting sleeve, and the upper end and the lower end of the threaded connecting sleeve are respectively in threaded connection with the switch shell and the battery barrel; the lower part of the switch module is provided with an electrode contact piece electrically connected with the lamp holder assembly, the upper part of the battery pack assembly is provided with a conductive column, and when the battery barrel is connected with the switch shell through a threaded connecting sleeve, the upper end of the conductive column is tightly abutted to the electrode contact piece.

Another preferred scheme, coupling mechanism includes the kingpin, the ball, spacing shell fragment and rotate the torque ring that sets up outside the switch casing, battery barrel is equipped with the locking groove, switch casing is equipped with bearing installation groove and ball mounting hole, the torque ring inboard is equipped with the kingpin spacing groove, bearing spacing groove and shell fragment spacing groove, the kingpin is installed in bearing installation groove and cooperates in order to inject the turned angle of the relative switch casing of torque ring with the bearing spacing groove, the ball is installed in the bearing installation groove and cooperates with battery barrel's locking groove under the limiting displacement of bearing spacing groove, spacing shell fragment inlays the outside of locating the switch casing, spacing shell fragment cooperates so that the relative switch casing of torque ring is fixed with the shell fragment spacing groove.

The beneficial effects of the invention are as follows: the lamp holder assembly and the lamp body assembly are quickly disassembled and assembled through a universal quick-assembling structure, and during assembly, the lamp holder assembly and the lamp body assembly can be stably connected by directly inserting the inserting part of the lamp holder assembly into the accommodating part of the lamp body assembly; when the lamp holder assembly is disassembled, the locking sleeve slides upwards, the clamping spring can be separated from the lamp holder assembly by the clamping part, and the lamp holder assembly can be pulled out. On the basis, the aim of multiple purposes of one lamp is fulfilled by interchanging the lamp holder components of multiple lighting lamps.

Drawings

FIG. 1 is a schematic view of the multipurpose use state of the present invention;

FIG. 2 is a schematic view of an exploded view of an embodiment of the flashlight of the present invention;

FIG. 3 is a further exploded schematic view of an embodiment of the flashlight of the present invention;

FIG. 4 is a schematic cross-sectional view of a flashlight embodiment of the present invention;

FIG. 5 is a schematic view of the insertion state of the quick assembling structure of the lamp holder assembly and the lamp body assembly according to the present invention;

FIG. 6 is a schematic structural view showing a state where the lamp cap assembly and the lamp body assembly are pulled out of the quick assembling structure of the present invention;

FIG. 7 is a schematic view showing the structure of the insertion state of the connecting mechanism of the switch part and the handle part of the present invention;

FIG. 8 is a schematic structural view showing the connection mechanism of the switch section and the handle section of the present invention in a pulled-out state.

Therein, 100. Lamp head assembly; 101. electric torch a lamp cap; 102. the outdoor camping lamp holder; 103. a working illuminating lamp holder; 110. a plug-in part; 1101. a first guide slope; 1102. a second guide slope; 200. a lamp body assembly; 210. a switch section; 211. a switch housing; 212. a locking sleeve; 213. a return spring; 214. a clamp spring; 215. a compression spring; 216. a switch module; 217. a position limiting sleeve; 220. handle part (ii) a; 221. a battery can; 222. <xnotran> ; </xnotran> 223. A battery pack assembly; 224. a soft rubber sleeve; 225. a threaded connection sleeve; 226. a conductive post; 2111. a receptacle portion; 2112. a limiting clamping groove; 2113. a needle roller mounting groove; 2114. a ball mounting hole; 2121. a first limit position; 2122. a second limit position; 30. a torsion ring; 31. needle roller (ii) a; 32. a ball bearing; 33. a limiting elastic sheet; 301. a needle roller limiting groove; 302. a ball limiting groove; 303. the shell fragment spacing groove.

Detailed Description

The invention is further explained by combining the attached drawings.

Referring to fig. 2, the lamp body assembly 200 includes a switching portion 210 and a handle portion 220, the lamp head assembly 100 is connected to an upper end of the switching portion 210 by the snap-fit structure, and the handle portion 220 is detachably connected to a lower end of the switching portion 210.

Referring to fig. 3, the switch unit 210 includes a switch housing 211, a locking sleeve 212, a return spring 213, a snap spring 214, a compression spring 215, and a switch module 216, and the switch module 216 is mounted on a lower portion of the switch housing 211. The handle part 220 comprises a battery barrel 221, the upper end of the battery barrel 221 is connected with the switch shell 211 through a connecting mechanism, the lower end of the battery barrel 221 is connected with an end cover 222, a battery pack assembly 223 is arranged in the battery barrel 221, and a soft rubber sleeve 224 is sleeved outside the battery barrel 221.

Referring to fig. 4, 5 and 6, the lower end of the lamp head assembly 100 is provided with a plug part 110, the plug part 110 is provided with a first guide slope 1101 and a second guide slope 1102, and the first guide slope 1101 and the second guide slope 1102 are matched to form a convex cone. The upper end of the switch housing 211 is provided with a receiving portion 2111 inserted into the insertion portion 110, and a limiting slot 2112 is provided on the cavity wall of the receiving portion 2111. The clamp spring 214 is movably hooped in a limiting clamp groove 2112 of the accommodating portion 2111 of the switch housing 211, the clamp spring 214 can move up and down in the limiting clamp groove 2112, an inner ring of the clamp spring 214 protrudes out of the inner side of the switch housing 211 and is matched with the first guide inclined plane 1101 and the second guide inclined plane 1102 of the plug-in connection portion 110, and an outer ring of the clamp spring 214 protrudes out of the outer side of the switch housing 211. The locking sleeve 212 is movably sleeved outside the accommodating portion 2111 of the switch housing 211, the locking sleeve 212 is provided with a first limit position 2121 and a second limit position 2122 which are matched with the clamp spring 214, when the first limit position 2121 is matched with the clamp spring 214, the outer side of the clamp spring 214 abuts against the first limit position 2121 of the locking sleeve 212, so that the clamp spring 214 is limited to expand outwards, and the insertion part 110 of the lamp holder assembly 100 is locked in the accommodating portion 2111 of the switch housing 211; when the second limiting position 2122 is engaged with the latch spring 214, the latch spring 214 can be extended outward under the guiding action of the first guiding inclined plane 1101 or the second guiding inclined plane 1102, and the inserting part 110 of the lamp cap assembly 100 can be pulled out from the accommodating part 2111 of the switch housing 211. Two ends of the return spring 213 are respectively abutted against the switch housing 211 and the locking sleeve 212, so that the locking sleeve 212 can move and return relative to the accommodating portion 2111, and after the locking sleeve 212 slides upwards, the locking sleeve 212 can move downwards and return under the elastic force of the return spring 213. The compression spring 215 is disposed at two ends thereof to abut against the lamp cap assembly 100 and the switch module 216 through the pressing plates, respectively, for applying an elastic force to the socket 110 opposite to the insertion direction, so that the socket 110 of the lamp cap assembly 100 can be stably locked in the accommodating portion 2111 of the switch housing 211, where the compression spring 215 can be replaced by other elastic elements. When the containing part 2111 is also screwed with the limit sleeve 217 which is in limit fit with the locking sleeve 212 for assembly, the reset spring 213 is firstly sleeved outside the containing part 2111 of the switch shell 211, then the locking sleeve 212 is sleeved outside the reset spring 213, and finally the limit sleeve 217 is screwed with the switch shell 211, the lower end of the locking sleeve 212 is abutted to the limiting sleeve 217, the outer side of the insertion part 110 is sleeved with a sealing ring matched with the inner wall of the accommodating part 2111, and the sealing ring plays a certain water-discharging and dust-preventing role in the switch module 216 at the lower part of the switch shell 211 and the battery pack assembly 223 of the handle part 220.

Referring to fig. 5, when the plug portion 110 of the base assembly 100 is inserted into the receiving portion 2111 of the lamp body assembly 200, the first guiding inclined surface 1101 of the plug portion 110 drives the snap spring 214 to move to the lower end of the limiting slot 2112 corresponding to the second limiting position 2122, the snap spring 214 expands outward under the guiding action of the first guiding inclined surface 1101, so that the second guiding inclined surface 1102 of the plug portion 110 moves to the position matched with the snap spring 214, the snap spring 214 contracts under the action of its own elastic force and moves to the upper end of the limiting slot 2112 corresponding to the first limiting position 2121 under the guiding action of the second guiding inclined surface 1102, and at this time, the plug portion 110 is stably plugged into the receiving portion 2111 under the limiting action of the snap spring 214.

Referring to fig. 6, when the plug portion 110 of the base assembly 100 is pulled out of the accommodating portion 2111 of the lamp body assembly 200, the locking sleeve 212 is moved against the elastic force of the return spring 213, so that the second limit position 2122 of the locking sleeve 212 is moved to correspond to the snap spring 214, the snap spring 214 expands outward under the guiding action of the second guiding inclined surface 1102, so that the snap spring 214 is disengaged from the second guiding inclined surface 1102, and the plug portion 110 can be pulled out of the accommodating portion 2111.

Further, referring to fig. 3 and 4, the connection mechanism includes a screw connection sleeve 225, the upper end and the lower end of the screw connection sleeve 225 are respectively connected with the switch housing 211 and the battery barrel 221 in a screw manner, and the handle portion 220 and the switch portion 210 are separated in a rotatable and detachable manner. The switch module 216 is provided at a lower portion thereof with electrode contacts electrically connected to the lamp cap assembly 100, the battery pack assembly 223 is provided at an upper portion thereof with conductive posts 226, when the battery can 221 is connected to the switch case 211 by the screw coupling sleeve 225, the upper end of the conductive post 226 is in close contact with the electrode contact.

Referring to fig. 7 and 8, another preferred embodiment of the connection mechanism includes a roller pin 31, a ball 32, a limit spring piece 33, and a torsion ring 30 rotatably disposed outside the switch housing 211, the battery barrel 221 is provided with a lock groove, the lock groove is an annular groove disposed on the battery barrel 221 or other limit structure engaged with the ball 32, the switch housing 211 is provided with a roller pin installation groove 2113 and a ball installation hole 2114, the inner side of the torsion ring 30 is provided with a roller pin limit groove 301, a ball limit groove 302, and a spring piece limit groove 303, the roller pin 31 is installed in the roller pin installation groove 2113 and engaged with the roller pin limit groove 301 to limit the rotation angle of the torsion ring 30 relative to the switch housing 211, the ball 32 is installed in the ball 32 installation groove and engaged with the lock groove of the battery barrel 221 under the limit action of the ball limit groove 302, the limit spring piece 33 is embedded outside the switch housing 211, and the limit spring piece 33 is engaged with the spring piece limit groove 303 to fix the torsion ring 30 relative to the switch housing 211. The connection mechanism of the present embodiment is also a quick connection structure of the switch portion 210 and the handle portion 220, and can realize quick assembly between the switch portion 210 and the handle portion 220. Referring to fig. 7, during assembly, the torsion ring 30 is rotated to make the ball limiting groove 302 correspond to the ball mounting hole 2114 where the ball 32 is located, the outer side of the ball 32 can be accommodated in the ball limiting groove 302, the battery barrel 221 can be inserted into the switch housing 211 along the inner wall of the switch housing 211, after the battery barrel 221 is inserted in place, the torsion ring 30 is rotated reversely, the ball 32 moves towards the inner side of the ball mounting hole 2114 under the limiting effect of the inner wall of the torsion ring 30, and the inner side of the ball 32 protrudes out of the inner wall of the switch housing 211 and is in limiting fit with the locking groove of the battery barrel 221, so that the battery barrel 221 and the switch housing 211 are connected in a locking manner. Referring to fig. 8, when disassembling, the torsion ring 30 is rotated to make the ball limiting groove 302 correspond to the ball mounting hole 2114 where the ball 32 is located, the outer side of the ball 32 can be received in the ball limiting groove 302, and the battery barrel 221 can be pulled out of the switch housing 211 along the inner wall of the switch housing 211. The needle roller 31 and the needle roller limiting groove 301 cooperate to limit the rotation angle of the torsion ring 30, and a user can rotate the torsion ring 30 to a corresponding position quickly and accurately. Further, the inside of the torsion ring 30 is provided with two elastic sheet limiting grooves 303 corresponding to the opening and locking positions, respectively, when the torsion ring 30 rotates to the position where the elastic sheet 33 is matched with the two elastic sheet limiting grooves 303, the elastic sheet 33 can position the torsion ring 30, and the user can be prompted by the rotation in place.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. A multi-purpose portable lighting fixture with a quick-install structure for a lamp holder, comprising a lamp holder assembly (100) and a lamp body assembly (200), the lamp holder assembly (100) being removably connected to the lamp body assembly (200) by the quick-install structure, wherein the quick-install structure comprises:

the lamp holder assembly comprises a plug-in part (110) arranged at the lower end of the lamp holder assembly (100), wherein a first guide inclined plane (1101) and a second guide inclined plane (1102) are arranged on the plug-in part (110);

the accommodating part (2111) is arranged at the upper end of the lamp body assembly (200) and is in plug fit with the plug part (110), and a limiting clamping groove (2112) is formed in the cavity wall of the accommodating part (2111);

the clamp spring (214) is movably hooped in the limiting clamp groove (2112) of the accommodating part (2111);

the locking sleeve (212) is movably sleeved outside the accommodating part (2111), the locking sleeve (212) is provided with a first limiting position (2121) and a second limiting position (2122) which are matched with the clamp spring (214), when the first limiting position (2121) is matched with the clamp spring (214), the clamp spring (214) is limited to expand outwards, and when the second limiting position (2122) is matched with the clamp spring (214), the clamp spring (214) can expand outwards under the guiding action of the first guide inclined surface (1101) or the second guide inclined surface (1102);

a return spring (213) for returning the spring, the locking sleeve (212) is used for moving and resetting relative to the accommodating part (2111);

a compression spring (215) for applying an elastic force to the socket (110) opposite to the insertion direction;

when the insertion part (110) of the lamp cap assembly (100) is inserted into the accommodating part (2111) of the lamp body assembly (200), the first guide inclined surface (1101) of the insertion part (110) drives the clamp spring (214) to move to the lower end of the limiting clamping groove (2112) to correspond to the second limiting position (2122), the clamp spring (214) expands outwards under the guiding action of the first guide inclined surface (1101) so that the second guide inclined surface (1102) of the insertion part (110) moves to the position matched with the clamp spring (214), the clamp spring (214) contracts under the action of self elastic force and moves to the upper end of the limiting clamping groove (2112) to correspond to the first limiting position (2121) under the guiding action of the second guide inclined surface (1102), and at the moment, the insertion part (110) is stably inserted into the accommodating part (2111) under the limiting action of the clamp spring (214); when the plug part (110) of the lamp holder assembly (100) is pulled out of the accommodating part (2111) of the lamp body assembly (200), the locking sleeve (212) is moved against the elastic force of the return spring (213) so that the second limit position (2122) of the locking sleeve (212) is moved to correspond to the clamp spring (214), the clamp spring (214) expands outwards under the guiding action of the second guiding inclined surface (1102) so that the clamp spring (214) is separated from the second guiding inclined surface (1102) for limiting, and at the moment, the insertion part (110) can be pulled out of the accommodating part (2111).

2. A multi-purpose portable lighting fixture with a quick-assembling structure of lamp holder as defined in claim 1, further comprising: the accommodating part (2111) is also in threaded connection with a limiting sleeve (217) in limiting fit with the locking sleeve (212), and the outer side of the insertion part (110) is sleeved with a sealing ring matched with the inner wall of the accommodating part (2111).

3. A multi-purpose portable lighting fixture with a fast-assembling structure of lamp holder as set forth in claim 1 or 2, characterized in that: the lamp body assembly (200) comprises a switch part (210) and a handle part (220), the lamp holder assembly (100) is connected to the upper end of the switch part (210) through the quick-assembling structure, and the handle part (220) is detachably connected to the lower end of the switch part (210).

4. A multi-purpose portable lighting fixture with a quick-assembling structure of lamp holder as defined in claim 3, further comprising: the switch portion (210) comprises a switch shell (211), a locking sleeve (212), a return spring (213), a clamp spring (214), a compression spring (215) and a switch module (216), the locking sleeve (212) is sleeved outside a containing portion (2111) of the switch shell (211), two ends of the return spring (213) are respectively abutted to the switch shell (211) and the locking sleeve (212), the clamp spring (214) is movably hooped in a limiting clamp groove (2112) of the switch shell (211), the switch module (216) is installed on the lower portion of the switch shell (211), and two ends of the compression spring (215) are respectively abutted to the lamp cap assembly (100) and the switch module (216) through pressing plates.

5. The multipurpose portable lighting fixture with the fast-assembling structure of the lamp holder as claimed in claim 4, wherein: the handle part (220) comprises a battery barrel body (221), the upper end of the battery barrel body (221) is connected with the switch shell body (211) through a connecting mechanism, the lower end of the battery barrel body (221) is connected with an end cover (222), a battery pack assembly (223) is arranged in the battery barrel body (221), and a soft rubber sleeve (224) is sleeved outside the battery barrel body (221).

6. The multipurpose portable lighting fixture with the fast-assembling structure of the lamp holder as claimed in claim 5, the method is characterized in that: the connecting mechanism comprises a threaded connecting sleeve (225), and the upper end and the lower end of the threaded connecting sleeve (225) are respectively in threaded connection with the switch shell (211) and the battery cylinder (221); the lower part of the switch module (216) is provided with an electrode contact piece electrically connected with the lamp holder assembly (100), the upper part of the battery pack assembly (223) is provided with a conductive column (226), and when the battery barrel (221) is connected with the switch shell (211) through a threaded connecting sleeve (225), the upper end of the conductive column (226) is tightly abutted to the electrode contact piece.

7. The multipurpose portable lighting lamp with the fast lamp holder assembly structure as claimed in claim 5, wherein: the connection mechanism comprises a roller pin (31), a ball (32), a limiting elastic sheet (33) and a torsion ring (30) which is rotatably arranged outside a switch shell (211), a lock groove is arranged on a battery barrel body (221), the switch shell (211) is provided with a roller pin installation groove (2113) and a ball installation hole (2114), a roller pin limiting groove (301), a ball limiting groove (302) and an elastic sheet limiting groove (303) are arranged on the inner side of the torsion ring (30), the roller pin (31) is arranged in the roller pin installation groove (2113) and matched with the roller pin limiting groove (301) to limit the rotation angle of the torsion ring (30) relative to the switch shell (211), the ball (32) is arranged in the ball (32) installation groove and matched with the lock groove of the battery barrel body (221) under the limiting effect of the ball limiting groove (302), the limiting elastic sheet (33) is embedded in the outer side of the switch shell (211), and the limiting elastic sheet (33) is matched with the limiting groove (303) to fix the torsion ring (30) relative to the switch shell (211).

8. A multi-purpose portable lighting fixture with fast lamp holder assembly as defined in claim 1, wherein: the lamp holder assembly (100) comprises a flashlight lamp holder (101), an outdoor camping lamp holder (102) and a working illuminating lamp holder (103), and the flashlight lamp holder (101), the outdoor camping lamp holder (102) and the working illuminating lamp holder (103) are connected with the lamp body assembly (200) in a replaceable mode.