CN114183704A

CN114183704A - Foldable working lamp

Info

Publication number: CN114183704A
Application number: CN202111647699.7A
Authority: CN
Inventors: 马建烽; 任立峰
Original assignee: Ningbo Weijia Electronics Technology Co ltd
Current assignee: Ningbo Weijia Electronics Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-03-15

Abstract

The invention relates to a foldable working lamp, which comprises a base, a telescopic lamp post and a lamp body, wherein the lamp body comprises a lamp holder and an illuminating light source arranged on the lamp holder, the top surface of the base is downwards sunken to form a containing groove capable of containing the lamp body, the lower end of the lamp post is rotatably connected to the base, the upper end of the lamp post is rotatably connected with the lamp body, the lamp body can rotate relative to the lamp post and be folded in the containing groove under the state that the lamp post is contracted and downwards rotated, and the illuminating light source of the lamp body is hidden in the containing groove under the state that the lamp body is folded. The lamp body can be folded in the accommodating groove, so that the work lamp is convenient to accommodate and carry, and the illuminating light source of the lamp body is hidden in the accommodating groove when the lamp body is folded, so that the lamp body can be prevented from being damaged due to collision of fragile components such as the illuminating light source and the lampshade in the accommodating or transporting process.

Description

Foldable working lamp

Technical Field

The invention relates to the technical field of illumination, in particular to a foldable working lamp.

Background

The work light is a common illumination lamps and lanterns, has multiple different types because of the difference of function and application scenario, and wherein, collapsible work light is the work light that is convenient for fold and accomodate. For example: a multifunctional working lamp and a support rod folding structure thereof in Chinese utility model patent with the patent number of ZL201920964461.9 (the publication number of CN209857008U), a folding working lamp in Chinese utility model patent with the patent number of ZL 202022456010.X (the publication number of CN214425850U), a foldable working lamp in Chinese utility model patent with the patent number of ZL 201820836890.3 (the publication number of CN208138911U), and the like.

The traditional foldable working lamp is folded by the relative rotation of the lamp holder and the lamp post or the lamp holder, and has the following problems: (1) the occupied space is large after being folded, and the folding is inconvenient to store; (2) after folding, the fragile part of the lamp holder is exposed outside, and is easy to damage in the transportation process; (3) the folding and unfolding operations are troublesome, and the use experience of the user is influenced.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a foldable working lamp which occupies a small space and is convenient to store after being folded, aiming at the prior art.

A second technical problem to be solved by the present invention is to provide a foldable work light capable of preventing a fragile member from being damaged in a folded state, in view of the prior art.

The third technical problem to be solved by the present invention is to provide a foldable working light which is convenient to fold and unfold, aiming at the prior art.

The technical scheme adopted by the invention for solving at least one technical problem is as follows: the utility model provides a collapsible working light, includes base, telescopic lamp pole and lamp body, and wherein, above-mentioned lamp body includes lamp stand and installs the illumination source on this lamp stand, its characterized in that, the top surface of base is sunken down and forms the holding tank that can the holding above-mentioned lamp body, the lower extreme of above-mentioned lamp pole rotates to be connected on the base and the upper end rotates to be connected with above-mentioned lamp body, under this lamp pole shrink and the pivoted state down, above-mentioned lamp body can rotate for the lamp pole and is folded up in above-mentioned holding tank to, under above-mentioned lamp body folded up state, the illumination source of this lamp body is hidden in this holding tank.

Further, the lamp holder of the lamp body is in a long plate shape, one end of the lamp holder is rotatably connected with the upper end of the lamp post through the first hinged seat, the lighting source is installed on the front face of the lamp holder, the size of the lamp holder is matched with the accommodating groove, the lamp holder is embedded in the accommodating groove when the lamp body is folded, and the front face of the lamp holder faces downwards while the back face of the lamp holder is exposed out of the accommodating groove. In this way, the illumination source on the lamp body can be better accommodated and hidden in the accommodating groove in the folded state, so that the illumination source can be better protected, and meanwhile, the illumination source is further protected by exposing the back surface of the lamp holder to the accommodating groove.

Further, the lamp stand is fixed at the one end of the first hinged seat, the other end of the first hinged seat is convexly provided with a limiting block, the groove wall at one end of the accommodating groove is sunken upwards to form a limiting groove matched with the limiting block, the limiting block is clamped into the limiting groove when the lamp body is folded, and the other end of the lamp stand is connected with the groove wall top end buckle at the other end of the accommodating groove. Therefore, the lamp body can be more stably accommodated in the accommodating groove under the state that the lamp body is folded, and the lamp body is prevented from being separated from the accommodating groove to cause damage.

Further, the lower end of the lamp post is hinged in the accommodating groove, and the lamp post is accommodated in the accommodating groove and arranged in parallel with the lamp body up and down in the folded state of the lamp body. Thereby can further reduce the volume of accomodating of work light, further make things convenient for accomodating and transporting of work light.

Further, the bottom of base is provided with the support frame, and this support frame includes the first support arm and the second support arm of horizontal extension, and the first end of each support arm rotates with above-mentioned base respectively to be connected, and the second end of each support arm can use its first end to rotate along horizontal plane circumference respectively as the center to, above-mentioned lamp is folded up under the state, above-mentioned first support arm and second support arm are folded up respectively in the bottom of base, and above-mentioned lamp is unfolded under the state, above-mentioned first support arm and second support arm expand respectively to the both sides of base. On the basis of not obviously influencing the storage volume of the working lamp, the working lamp in the unfolding state can be more stably placed by the aid of the supporting frame and the base, and the working lamp in the unfolding state is prevented from falling down.

Further, the folding device also comprises a transmission mechanism which is used for enabling the first supporting arm and the second supporting arm to be unfolded or folded synchronously. Can realize the synchronization action of first support arm and second support arm through drive mechanism, convenience of customers operates the support frame, especially under the state that the lamp body expandes, the user is hand-held to the lamp pole, and single-hand operation can realize expanding or folding up when first support arm and second support arm, and the simple operation promotes user's use and experiences.

Further, first support arm and second support arm set up in the bottom of base side by side, the bottom of this base still is provided with first pivot and the second pivot that corresponds respectively with above-mentioned first support arm and second support arm side by side, each pivot is vertical respectively and extends down, wherein, the first end of above-mentioned first support arm rotates through first shaft hole and connects in this first pivot, and the first end of second support arm rotates through the second shaft hole and connects in this second pivot to the second end that can realize each support arm rotates for the level of its first end. The transmission mechanism comprises a first annular tooth surface and a second annular tooth surface which are meshed with each other, wherein the first annular tooth surface is convexly arranged on the inner side surface of the first end of the first support arm and is in an arc shape taking the first rotating shaft as the center, and the second annular tooth surface is convexly arranged on the inner side surface of the first end of the second support arm and is in an arc shape taking the second rotating shaft as the center. Therefore, the first supporting arm and the second supporting arm can be synchronously unfolded or synchronously folded through the matching action of the first ring tooth surface and the second ring tooth surface.

Furthermore, a limit boss is convexly arranged between the first support arm and the second support arm on the bottom surface of the base downwards, the inner side surfaces of the first support arm and the second support arm are respectively sunken inwards to form a limit containing groove matched with the corresponding end of the limit boss, the inner side surfaces of the second ends of the first support arm and the second support arm are respectively provided with a first magnetic suction piece and a second magnetic suction piece, and the first magnetic suction piece and the second magnetic suction piece can be mutually connected in a magnetic suction manner,

the middle parts of the tooth surfaces of the rings are meshed with each other when the supporting arms are folded, the limiting boss is clamped between the first supporting arm and the second supporting arm, the corresponding ends of the limiting boss are clamped into the corresponding limiting containing grooves respectively, the first magnetic part on the first supporting arm and the second magnetic part on the second supporting arm form magnetic connection, the outer side ends of the tooth surfaces of the rings are meshed with each other when the supporting arms are unfolded, and the supporting arms are located on two sides of the limiting boss respectively. On one hand, the first support arm and the second support arm can be prevented from generating relevant interference in the folding process, on the other hand, the support frame can be stably folded, and the first support arm and the second support arm can be prevented from being separated from each other in the folding state.

Further, one side of base is provided with battery pack, and this battery pack includes the battery tray of dismantling the connection with this base, installs battery package and the battery cover on this battery tray, and this battery cover is established on above-mentioned battery tray and both enclose into the space that is used for holding above-mentioned battery package. Thereby make things convenient for the dismouting of battery pack and base.

Further, the appearance of the base is overall in a long strip shape, the accommodating groove is formed in the length direction of the base, the bottom surface of the base is recessed from one end of the bottom surface of the base towards the other end of the bottom surface of the base, the battery seat and the protruding end of the bottom surface of the base are surrounded to form an installation groove used for accommodating the first supporting arm and the second supporting arm, and the lamp body, the base, the supporting frame and the battery pack are spliced to form a structure in a rectangular box shape in appearance in a folded state. The storage volume of the working lamp can be further reduced, the outer surface of the working lamp is smooth in a folding state, and the working lamp is further convenient to store and transport.

Compared with the prior art, the invention has the advantages that: the holding tank has been seted up on the base, the lower extreme of lamp pole rotates to be connected on the base and the upper end rotates and is connected with above-mentioned lamp body, like this under lamp pole shrink and down pivoted state, above-mentioned lamp physical stamina rotates and is folded up in above-mentioned holding tank for the lamp pole, thereby make things convenient for accomodating and carrying of work lamp, and, the lamp body is folded up under the state, the illuminant of this lamp body is hidden in this holding tank, thereby can avoid the illuminant of lamp body in accomodating or the transportation, fragile parts such as lamp shade are collided with and are damaged.

Drawings

FIG. 1 is a schematic structural diagram of a working lamp in a folded state according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is an exploded view of a portion of the working lamp in a folded state according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the working lamp in a folded state according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a working lamp in an unfolded state according to an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of FIG. 5 in another direction;

fig. 7 is a partial exploded view of the working lamp in the unfolded state according to the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and that the directional terms are used for purposes of illustration and are not to be construed as limiting, for example, because the disclosed embodiments of the present invention may be oriented in different directions, "lower" is not necessarily limited to a direction opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 to 7, a foldable working lamp includes a base 1, a retractable lamp post 2 and a lamp body 3. The lamp body 3 includes a lamp socket 31 and an illumination light source 32 installed on the lamp socket 31, the top surface of the base 1 is recessed downward to form a receiving groove 11 capable of receiving the lamp body 3, the lower end of the lamp post 2 is rotatably connected to the base 1, the upper end of the lamp post 2 is rotatably connected to the lamp body 3, the lamp body 3 is rotatable with respect to the lamp post 2 and foldable in the receiving groove 11 in a state that the lamp post 2 is contracted and rotated downward, and the illumination light source 32 of the lamp body 3 is hidden in the receiving groove 11 in a state that the lamp body 3 is foldable. In this way, in the invention, the lamp body 3 can be folded in the accommodating groove 11 when not in use, so that the work lamp can be conveniently accommodated and carried, and the illuminating light source 32 of the lamp body 3 is hidden in the accommodating groove 11 when the lamp body is folded, so that the damage of the illuminating light source 32 of the lamp body 3, the lampshade 3 and other fragile components caused by collision can be avoided during the accommodating or transporting process.

In this embodiment, the lamp holder 31 of the lamp body 3 has a rectangular parallelepiped shape, one end of the lamp holder 31 is rotatably connected to the upper end of the lamp post 2 through a first hinge seat 34, the illumination source 32 is mounted on the front surface of the lamp holder 31, and the size of the lamp holder 31 matches with the size of the receiving groove 11. When the lamp body 3 is folded, the lamp holder 31 is embedded in the accommodating groove 11, and the front surface of the lamp holder 31 faces downward and the back surface thereof is exposed out of the accommodating groove 11. In this way, the illumination source 32 on the lamp body 3 can be better accommodated and hidden in the accommodating groove 11 in the folded state, so that the illumination source 32 can be better protected, and meanwhile, the illumination source 32 can be further protected by exposing the back surface of the lamp holder 31 to the accommodating groove 11. In this embodiment, the illumination source 32 is disposed along the length direction of the lamp holder 31, and the reinforcing ribs 311 are disposed on the back surface of the lamp holder 31, so that the strength of the back surface of the lamp holder 31 can be increased, and the fragile components such as the illumination source 32 and the lamp housing 33 can be better protected in the folded state of the lamp body 3.

In this embodiment, the base 1 has a long block shape, and the accommodating groove 11 is formed along the longitudinal direction of the base 1. The lamp post 2 can be realized in various specific ways, and the lamp body 3 in this embodiment is a telescopic rod structure in the prior art. Further, the lower extreme of above-mentioned lamp pole 2 articulates in the first end of holding tank 11 to, under above-mentioned lamp body 3 was folded up the state, this lamp pole 2 holding was in this holding tank 11 and set up side by side from top to bottom with above-mentioned lamp body 3, thereby can further reduce the volume of accomodating of work light, further made things convenient for accomodating and transporting of work light. Specifically, in the present embodiment, the first end of the receiving groove 11 is respectively opened with a connecting hole 112 along both sides of the width direction of the receiving groove 11, and the lower end of the lamp post 2 is provided with a rotating shaft 21, and both ends of the rotating shaft 21 are respectively inserted into the corresponding connecting holes 112, so that the lamp post 2 can rotate up and down relative to the receiving groove 11. The ends of the rotating shaft 21 and the corresponding connecting holes 112 can be connected in a damping manner to position the lamp post 2 at a desired spreading angle, preferably, in this embodiment, the lamp post 2 can form a snap-fit limit with the base 1 in a vertical state of the lamp post 2, specifically, the base 1 is provided with a first snap hook 16 at a top end of a groove wall of a first end of the accommodating groove 11, and a second snap hook 22 capable of forming a snap-fit connection with the first snap hook 16 is provided on a surface of the lamp post 2. In addition, in this embodiment, the two sides of the middle portion of the base along the length direction are respectively provided with the fastening blocks 7, and in the folded state, each fastening block 7 can be fastened on the lamp holder 31, so that the lamp body 3 can be more stably accommodated in the accommodating groove 11.

Further, the lamp holder 31 is fixed at one end of the first hinge base 34, the other end of the first hinge base 34 is provided with a stopper 341 in a protruding manner, and the groove wall of the second end of the accommodating groove 11 is recessed from the top to the bottom to form a stopper groove 111 matched with the stopper 341. When the lamp body 3 is folded, the stopper 341 is inserted into the stopper groove 111, and the free end of the lamp holder 31 is connected to the top end of the groove wall of the first end of the accommodating groove 11. Therefore, when the lamp body 3 is folded, the lamp body 3 can be more stably accommodated in the accommodating groove 11, and the lamp body 3 is prevented from being separated from the accommodating groove 11 to cause damage. Specifically, the free end of the lamp holder 31 is provided with a locking slot 312 for the first hook 16 to be locked in.

Further, the bottom of the base 1 is provided with a support frame 4, the support frame 4 comprises a first support arm 41 and a second support arm 42 extending horizontally, a first end of each support arm is rotatably connected with the base 1, and a second end of each support arm can rotate around the first end of the support arm along the circumferential direction of the horizontal plane. In addition, when the lamp body 3 is folded, the first support arm 41 and the second support arm 42 are folded at the bottom of the base 1, and when the lamp body 3 is unfolded, the first support arm 41 and the second support arm 42 are unfolded to the two sides of the base 1. On the basis of not obviously influencing the storage volume of the working lamp, the working lamp in the unfolding state can be more stably placed by the aid of the supporting frame 4 and the base 1, and the working lamp in the unfolding state is prevented from falling down. Preferably, in this embodiment, a transmission mechanism 5 is further included for synchronously unfolding or folding the first support arm 41 and the second support arm 42. Can realize the synchronization action of first support arm 41 and second support arm 42 through drive mechanism 5, convenience of customers operates support frame 4, especially under the state that lamp body 3 expandes, the user holds lamp pole 2, and the one-hand operation can realize the synchronization of first support arm 41 and second support arm 42 and expand or fold up, and the simple operation promotes user's use and experiences.

Specifically, the first support arm 41 and the second support arm 42 respectively extend along the length direction of the base 1, the first support arm 41 and the second support arm 42 are arranged in parallel along the width direction of the base 1, the bottom of the base 1 is also provided with a first rotating shaft 12 and a second rotating shaft 13 respectively corresponding to the first support arm 41 and the second support arm 42 in parallel along the width direction, and each rotating shaft respectively extends vertically downward. The first end of the first support arm 41 is rotatably connected to the first rotating shaft 12 through a first shaft hole 44, and the first end of the second support arm 42 is rotatably connected to the second rotating shaft 13 through a second shaft hole 46, so that the second end of each support arm can be horizontally rotated with respect to the first end thereof. The transmission mechanism 5 includes a first ring tooth surface 51 and a second ring tooth surface 52 that are engaged with each other, wherein the first ring tooth surface 51 is provided to protrude from an inner side surface of the first end of the first support arm 41 and has a circular arc shape centered on the first rotation shaft 12, and the second ring tooth surface 52 is provided to protrude from an inner side surface of the first end of the second support arm 42 and has a circular arc shape centered on the second rotation shaft 13. Thus, the first supporting arm 41 and the second supporting arm 42 can be synchronously unfolded or synchronously folded by the cooperation of the first ring tooth surface 51 and the second ring tooth surface 52. Specifically, in the present embodiment, the inner sides of the first ends of the supporting arms are respectively provided with a semicircular protrusion 43 in a protruding manner, and the outer arc surfaces of the protrusions 43 respectively form the first annular tooth surface 51 and the second annular tooth surface 52.

Further, a limiting boss 15 is disposed on the bottom surface of the base 1 between the first supporting arm 41 and the second supporting arm 42 in a downward protruding manner, inner side surfaces of the first supporting arm 41 and the second supporting arm 42 are respectively recessed to form a limiting containing groove 45 matched with a corresponding end of the limiting boss 15, inner side surfaces of second ends of the first supporting arm 41 and the second supporting arm 42 are respectively provided with a first magnetic element 411 and a second magnetic element 421, and the first magnetic element 411 and the second magnetic element 421 can be magnetically connected with each other. When the supporting arms are folded, the middle parts of the tooth surfaces of the rings are engaged, the limiting boss 15 is clamped between the first supporting arm 41 and the second supporting arm 42, the corresponding ends of the limiting boss 15 are respectively clamped into the corresponding limiting accommodating grooves 45, the first magnetic part 411 on the first supporting arm 41 and the second magnetic part 421 on the second supporting arm 42 form magnetic connection, and when the supporting arms are unfolded, the outer ends of the tooth surfaces of the rings are engaged respectively, and the supporting arms are positioned at two sides of the limiting boss 15 respectively. On one hand, the first support arm 41 and the second support arm 42 can be prevented from generating relevant interference in the folding process, and on the other hand, the support frame 4 can be stably folded, so that the first support arm 41 and the second support arm 42 can be prevented from being separated from each other in the folding state.

Further, a battery assembly 6 is disposed on one side of the first end of the base 1, the battery assembly 6 includes a battery holder 61 detachably connected to the base 1, a battery pack 62 mounted on the battery holder 61, and a battery cover 63, the battery cover 63 covers the battery holder 61, and the battery holder 61 and the battery cover enclose a space for accommodating the battery pack 62. Thereby facilitating the disassembly and assembly of the battery pack 6 and the base 1.

Still further, the bottom surface of the base 1 is recessed from the first end toward the second end, and a mounting groove 14 for accommodating the first support arm 41 and the second support arm 42 is defined between the battery holder 61 and the protruding end (i.e., the second end) of the bottom surface of the base 1. Through setting up mounting groove 14, avoid setting up support frame 4 in base 1 bottom and accomodate the influence of size of volume to the work light. In addition, when the lamp body 3 is folded, the lamp body 3, the base 1, the support frame 4 and the battery assembly 6 are assembled together to form a rectangular box-shaped structure. The storage volume of the working lamp can be further reduced, the outer surface of the working lamp is smooth in a folding state, and the working lamp is further convenient to store and transport.

Claims

1. A foldable working lamp, comprising a base (1), a telescopic lamp post (2) and a lamp body (3), wherein the lamp body (3) comprises a lamp holder (31) and a lighting source (32) installed on the lamp holder (31), characterized in that the top surface of the base (1) is recessed downwards to form a receiving groove (11) capable of receiving the lamp body (3), the lower end of the lamp post (2) is rotatably connected to the base (1) and the upper end is rotatably connected to the lamp body (3), the lamp body (3) can rotate relative to the lamp post (2) and be folded in the receiving groove (11) in a state that the lamp post (2) is contracted and rotated downwards, and the lighting source (32) of the lamp body (3) is hidden in the receiving groove (11) in a state that the lamp body (3) is folded.

2. A collapsible worklight according to claim 1, characterized in that the outer shape of the lamp holder (31) of the lamp body (3) is a rectangular parallelepiped, one end of the lamp holder (31) is pivotally connected to the upper end of the lamp post (2) by a first hinge seat (34), the illumination source (32) is mounted on the front side of the lamp holder (31), the size of the lamp holder (31) is matched to the receiving groove (11), the lamp holder (31) is fitted into the receiving groove (11) in the collapsed state of the lamp body (3), and the front side of the lamp holder (31) faces downward and the rear side is exposed out of the receiving groove (11).

3. The collapsible worklight according to claim 2, characterized in that the lamp holder (31) is fixed at one end of the first hinged seat (34), and the other end of the first hinged seat (34) is provided with a stopper (341) in a protruding manner, and the groove wall at one end of the accommodating groove (11) is recessed from top to bottom to form a stopper groove (111) matched with the stopper (341), and the stopper (341) is clamped in the stopper groove (111) when the lamp body (3) is folded, and the other end of the lamp holder (31) is connected with the top end of the groove wall at the other end of the accommodating groove (11) in a snap-fit manner.

4. A collapsible worklight according to claim 2 characterized in that the lower end of the light post (2) is hinged in a receiving groove (11) and that the light post (2) is received in the receiving groove (11) and arranged side by side with the light body (3) in the collapsed state of the light body (3).

5. A foldable worklight according to any one of claims 1 to 4, characterized in that the base (1) is provided at a bottom thereof with a support frame (4), the support frame (4) comprises a first support arm (41) and a second support arm (42) extending horizontally, a first end of each support arm is rotatably connected to the base (1), a second end of each support arm is rotatable circumferentially about the first end of the support arm along a horizontal plane, the first support arm (41) and the second support arm (42) are respectively folded at the bottom of the base (1) in a folded state of the light body (3), and the first support arm (41) and the second support arm (42) are respectively unfolded at two sides of the base (1) in an unfolded state of the light body (3).

6. A collapsible worklight according to claim 5 further comprising an actuator (5) for simultaneously extending and retracting the first support arm (41) and the second support arm (42).

7. The collapsible worklight according to claim 6, characterized in that the first support arm (41) and the second support arm (42) are juxtaposed at the bottom of the base (1), and the bottom of the base (1) is further juxtaposed with a first rotation shaft (12) and a second rotation shaft (13) corresponding to the first support arm (41) and the second support arm (42), respectively, each rotation shaft extending vertically downward, wherein the first end of the first support arm (41) is rotatably connected to the first rotation shaft (12) through a first shaft hole (44), and the first end of the second support arm (42) is rotatably connected to the second rotation shaft (13) through a second shaft hole (46),

the transmission mechanism (5) comprises a first ring tooth surface (51) and a second ring tooth surface (52) which are meshed with each other, wherein the first ring tooth surface (51) is convexly arranged on the inner side surface of the first end of the first supporting arm (41) and is in a circular arc shape taking the first rotating shaft (12) as the center, and the second ring tooth surface (52) is convexly arranged on the inner side surface of the first end of the second supporting arm (42) and is in a circular arc shape taking the second rotating shaft (13) as the center.

8. The foldable worklight according to claim 7, characterized in that a position-limiting boss (15) is provided on the bottom surface of the base (1) between the first support arm (41) and the second support arm (42) in a downwardly protruding manner, inner side surfaces of the first support arm (41) and the second support arm (42) are respectively recessed to form a position-limiting accommodating groove (45) matched with a corresponding end of the position-limiting boss (15), and an inner side surface of a second end of the first support arm (41) and an inner side surface of a second end of the second support arm (42) are respectively provided with a first magnetic attraction piece (411) and a second magnetic attraction piece (421), the first magnetic attraction piece (411) and the second magnetic attraction piece (421) can be magnetically attracted to each other,

under the state that each supporting arm is folded, the middle parts of the tooth surfaces of the rings are meshed, the limiting boss (15) is clamped between the first supporting arm (41) and the second supporting arm (42), the corresponding ends of the limiting boss (15) are clamped into the corresponding limiting accommodating grooves (45) respectively, the first magnetic part (411) on the first supporting arm (41) and the second magnetic part (421) on the second supporting arm (42) form magnetic connection, under the state that each supporting arm is unfolded, the outer side ends of the tooth surfaces of the rings are meshed respectively, and the supporting arms are located on two sides of the limiting boss (15) respectively.

9. A collapsible worklight according to claim 5 characterized in that a battery pack (6) is provided on one side of the base (1), the battery pack (6) comprising a battery holder (61) detachably connected to the base (1), a battery pack (62) mounted on the battery holder (61) and a battery cover (63), the battery cover (63) covering the battery holder (61) and enclosing a space for accommodating the battery pack (62).

10. The collapsible worklight according to claim 9, characterized in that the base (1) is elongated in shape, the receiving groove (11) is disposed along the length of the base (1), the bottom surface of the base (1) is recessed from one end toward the other end, and a mounting groove (14) for receiving the first support arm (41) and the second support arm (42) is defined between the battery holder (61) and the protruding end of the bottom surface of the base (1), and the lamp body (3), the base (1), the support frame (4) and the battery assembly (6) are assembled to form a structure having a rectangular box shape in the collapsed state of the lamp body (3).