CN113531413B

CN113531413B - Mobile lighting device convenient for power supply replacement

Info

Publication number: CN113531413B
Application number: CN202110851487.4A
Authority: CN
Inventors: 张静慧
Original assignee: Shenzhen Wenshangyi Investment Development Co ltd
Current assignee: Shenzhen Wenshangyi Investment Development Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2023-02-17
Anticipated expiration: 2041-07-27
Also published as: CN113531413A

Abstract

The invention discloses a movable lighting device with a power supply convenient to replace. The invention aims to provide a movable lighting device which is convenient for adjusting the lighting angle, moving easily and lighting stably and is convenient for replacing a power supply. A movable lighting device convenient for power supply replacement comprises a supporting seat, wherein mounting rods are symmetrically and rotatably connected to two sides of the lower portion of the supporting seat, and transmission shafts of the mounting rods are connected to two sides of the supporting seat; the outer sides of the lower parts of the mounting rods are rotatably connected with the rollers; the upper part of the supporting seat is connected with the supporting rod; the backup pad, bracing piece upper portion one side rotary type is connected with the backup pad. The mobile lighting device convenient for replacing the power supply disclosed by the invention has the advantages of being convenient to assist in stably supporting the device on the ground, being convenient for replacing the power supply, being capable of protecting the power supply and fixing the power supply, avoiding the power supply from falling in the moving process and being convenient for radiating heat for the operation of the LED lamp.

Description

Mobile lighting device convenient for power supply replacement

Technical Field

The invention relates to a lighting device, in particular to a mobile lighting device with a conveniently replaced power supply.

Background

People's eyes can't see clearly things under the condition of dark, however along with this problem has been solved in the appearance of electric light, people can utilize the electric light to accomplish under the environment that can't see clearly the surrounding situation and regard as, and very big improvement work efficiency also makes the life more convenient.

For making things convenient for people can see the circumstances around clearly when removing the operation, portable lighting device has appeared now, current portable lighting device, it is the LED lamp power supply to utilize the power, and set up the gyro wheel and be convenient for the mobile device, however can't adjust the illumination angle of LED lamp according to actual conditions, secondly inconvenient change the power, simultaneously unable device is fixed in a illumination, and with device fixed stay subaerial time, manual operation is comparatively hard, and the power is not protected fixedly, receive the damage easily, at last when the function of LED lamp, can't dispel the heat, probably damage after long-term operation.

Therefore, there is a need to develop a mobile lighting device which is convenient for adjusting the lighting angle, easily moving and stably lighting and is convenient for replacing the power supply.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the movable lighting device which is convenient for adjusting the lighting angle, easily moving and stably lighting and is convenient for replacing the power supply.

The purpose of the invention can be achieved by adopting the following technical scheme:

in a first aspect, a portable lighting device with easy power replacement comprises: the two sides of the lower part of the supporting seat are symmetrically and rotatably connected with mounting rods, and the two sides of the supporting seat are connected with the mounting rod transmission shafts; the outer sides of the lower parts of the mounting rods are rotatably connected with the rollers; the upper part of the supporting seat is connected with the supporting rod; the supporting plate is rotatably connected to one side of the upper part of the supporting rod; the LED lamps are uniformly connected to one side of the supporting plate at intervals; the lampshade is connected to one side of the supporting plate; the power supply is symmetrically arranged on one side of the supporting plate in a sliding fit manner; the adjusting component is arranged between the inside of the supporting rod and the supporting plate; the storage assembly is arranged between the supporting seat and the mounting rod.

Further, the adjusting component comprises: the first gear is connected to the support plate transmission shaft; the upper side in the supporting rod is rotatably connected with the second gear, and the first gear is meshed with the second gear; the rack is connected to the middle inside the supporting rod in a sliding mode, and the rack is meshed with the second gear; the limiting block is connected to one side of the lower portion of the rack in a sliding mode and matched with the supporting rod; the first spring is symmetrically connected between the limiting block and the rack.

Further, accomodate the subassembly including: the upper part of the supporting seat is rotatably connected with the rotating block; one side of the lower part of the rotating block is connected with the pushing block; the middle inside the supporting seat is connected with the sliding rod in a sliding mode, and the sliding rod is matched with the pushing block; the second spring is connected between the sliding rod and the supporting seat and sleeved on the sliding rod; the lower part of the sliding rod is connected with the tooth block in a sliding way; the third spring is connected between the tooth block and the sliding rod and sleeved on the sliding rod; and the middle parts of the two sides of the third gear and the mounting rod transmission shaft are connected with the third gear, and the third gear is matched with the gear.

Further, still including the supporting component, the supporting component includes: the two sides of the lower part of the supporting seat are symmetrically connected with the first guide rods; the supporting legs are connected to the first guide rods in a sliding mode; the fourth springs are connected between the supporting feet and the supporting seat and sleeved on the first guide rod; the connecting rod is connected between the inner sides of the supporting legs and is matched with the sliding rod; the clamping blocks are symmetrically connected to two sides of the upper portion of the connecting rod, and the clamping blocks are matched with the mounting rod transmission shaft.

Further, still including covering the subassembly, cover the subassembly including: the first sliding blocks are connected to one side of the supporting plate in a vertically symmetrical sliding manner; the second sliding blocks are connected to one sides of the supporting plates in a vertically symmetrical sliding manner; the cover plate is connected between the first sliding block and one side of the second sliding block on two sides; one side of the supporting plate is connected with the second guide rods in a vertically symmetrical mode; the first clamping rods are connected between the second guide rods on two sides in a sliding manner and are matched with the cover plate; and the fifth springs are symmetrically connected between the first clamping rod and the supporting plate up and down, and are sleeved on the second guide rod.

Further, still including anti-drop subassembly, anti-drop subassembly is including: the third guide rods are symmetrically connected to the upper and lower sides of the inner part of the supporting plate; the second clamping rods are connected between the inner sides of the third guide rods on two sides in a sliding manner and are matched with the power supply; and the sixth spring is symmetrically connected between the second clamping rod and the supporting plate up and down.

Furthermore, the heat dissipation device also comprises a heat dissipation component which is arranged on one side of the support plate.

Further, the heat dissipation assembly includes: the rotating shaft is symmetrically and rotatably connected to one side of the supporting plate; the fan blades are uniformly connected to the outer side of the rotating shaft at intervals; the filter screen, backup pad one side symmetric connection has the filter screen, the filter screen is located the flabellum outside.

The invention has the advantages that: (1) According to the invention, the slide rod moves downwards to push the connecting rod, the clamping block and the supporting foot to move downwards, the clamping block is separated from the mounting rod transmission shaft, the supporting foot is supported on the ground, then the tooth block moves downwards to reset, and finally the mounting rod and the roller are driven to rotate inwards to be retracted, so that the effect of conveniently assisting to stably support the device on the ground is achieved; (2) According to the invention, the first clamping rod is pushed to move forwards to be separated from the cover plate, the cover plate is moved outwards to be taken down, the first clamping rod is loosened, the first clamping rod moves backwards to reset, after the power supply is replaced, the cover plate is pushed to move inwards to be matched with the first clamping rod, the cover plate is fixed, and the effects of conveniently replacing the power supply and protecting the power supply are achieved; (3) According to the invention, the second clamping rod is pushed to move outwards to be away from the power supply, so that the power supply can be pushed to move outwards to be taken down, then the second clamping rod is loosened after a new power supply is replaced, the second clamping rod moves inwards to be clamped into the power supply, the effect of fixing the power supply is achieved, and the power supply is prevented from falling in the moving process; (4) According to the LED lamp, the rotating shaft and the fan blades are controlled to rotate by pressing the power switch, hot air is blown to the LED lamp, and the effect of conveniently radiating the LED lamp is achieved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a partial structural schematic diagram of the present invention.

Fig. 4 is a schematic diagram of a partial explosion of the present invention.

Fig. 5 is a schematic view of the installation of the adjustment assembly of the present invention.

Fig. 6 is an enlarged schematic view of the structure at a of the present invention.

Fig. 7 is a schematic view of the installation of the receiving assembly of the present invention.

Fig. 8 is a partial structural schematic view of the receiving assembly of the present invention.

Fig. 9 is a schematic view of the installation of the support assembly of the present invention.

Fig. 10 is a schematic view of the installation of the covering assembly of the present invention.

Fig. 11 is an enlarged schematic view of the present invention at B.

Fig. 12 is a schematic view of a part of the structure of the covering assembly of the present invention.

FIG. 13 is a schematic view of the anti-separation assembly of the present invention.

Fig. 14 is an enlarged schematic view of the structure at C of the present invention.

Fig. 15 is an installation diagram of the heat dissipating assembly of the present invention.

Number designation in the figures: 1. the LED lamp comprises a supporting seat, 2, an installation rod, 3, a roller, 4, a supporting rod, 5, a supporting plate, 6, an LED lamp, 7, a lampshade, 8, a power supply, 9, an adjusting component, 91, a first gear, 92, a second gear, 93, a rack, 94, a limiting block, 95, a first spring, 10, a containing component, 101, a rotating block, 102, a pushing block, 103, a sliding rod, 104, a second spring, 105, a tooth block, 106, a third spring, 107, a third gear, 11, a supporting component, 111, a first guide rod, 112, a supporting leg, 113, a fourth spring, 114, a connecting rod, 115, a clamping block, 12, a covering component, 121, a first sliding block, 122, a second sliding block, 123, a cover plate, 124, a second guide rod, 125, a first clamping rod, 126, a fifth spring, 13, an anti-falling component, 131, a third guide rod, 132, a second clamping rod, a sixth clamping rod, 133, a sixth spring, 14, a heat dissipation component, 141, a rotating shaft, 142, fan blades, 143 and a filter screen.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

Example 1

As shown in fig. 1-8, the embodiment discloses a portable lighting device convenient for power supply replacement, which comprises a supporting seat 1, an installation rod 2, a roller 3, a supporting rod 4, a supporting plate 5, an LED lamp 6, a lampshade 7, a power supply 8, an adjusting component 9 and an accommodating component 10, wherein the supporting seat 1 is connected with the installation rod 2 in a front-back symmetrical rotation mode on the left and right sides of the lower part thereof, a transmission shaft of the installation rod 2 on the front and back sides is connected with the roller 3 in a front-back symmetrical rotation mode on the outer side of the lower part of the installation rod 2, the supporting seat 1 is connected with the supporting rod 4 on the upper part thereof, the supporting plate 5 is connected with the supporting plate 4 in a front-front rotating mode on the upper part thereof, the three LED lamps 6 are uniformly connected on the inner side of the front part of the supporting plate 5 at intervals, the lampshade 7 is connected on the outer side of the front part of the supporting plate 5, the power supply 8 is arranged in a left-right symmetrical sliding mode on the rear side of the supporting plate 5, the adjusting component 9 is arranged between the supporting rod 4 and the supporting plate 5, and the accommodating component 10 is arranged between the supporting seat 1 and the installation rod 2.

Adjusting part 9 is including first gear 91, second gear 92, rack 93, stopper 94 and first spring 95, be connected with first gear 91 on the 5 transmission shafts of backup pad, the inside upside rotary type of bracing piece 4 is connected with second gear 92, first gear 91 and second gear 92 intermeshing, the inside middle sliding type of bracing piece 4 is connected with rack 93, rack 93 and second gear 92 intermeshing, the sliding type is connected with stopper 94 before the rack 93 lower part, stopper 94 and bracing piece 4 mutually support, bilateral symmetry is connected with first spring 95 between stopper 94 and the rack 93.

The accommodating component 10 comprises a rotating block 101, a pushing block 102, a sliding rod 103, a second spring 104, a tooth block 105, a third spring 106 and a third gear 107, the upper portion of a supporting seat 1 is rotatably connected with the rotating block 101, the rear side of the lower portion of the rotating block 101 is connected with the pushing block 102, the middle of the interior of the supporting seat 1 is slidably connected with the sliding rod 103, the sliding rod 103 is matched with the pushing block 102, the second spring 104 is connected between the sliding rod 103 and the supporting seat 1, the second spring 104 is sleeved on the sliding rod 103, the lower portion of the sliding rod 103 is slidably connected with the tooth block 105, the third spring 106 is connected between the tooth block 105 and the sliding rod 103, the third spring 106 is sleeved on the sliding rod 103, the middle portions of transmission shafts of the front side mounting rod 2 and the rear side mounting rod are connected with the third gear 107, and the third gear 107 is matched with the gears.

When a user needs to use the device for illumination, the supporting rod 4 is pushed to move to drive the supporting seat 1 and the mounting rod 2 to move, so as to drive the roller 3 to rotate, the whole device is moved to a proper position, then the switch of the power supply 8 is pressed, the LED lamp 6 is turned on, the surrounding environment is illuminated, when the illumination angle of the LED lamp 6 needs to be adjusted, the rack 93 is pushed to move upwards to drive the second gear 92 to rotate, the first gear 91 is driven to rotate, so as to drive the supporting plate 5, the power supply 8, the LED lamp 6 and the lampshade 7 to rotate, meanwhile, the rack 93 also drives the limiting block 94 to move upwards, so that the limiting block 94 is pushed to move backwards, the first spring 95 is compressed, after the LED lamp 6 rotates to a proper angle, the rack 93 stops moving, under the action of the first spring 95, the limiting block 94 is pushed to move forwards to be inserted into the supporting rod 4, the rack 93 is fixed, so as to fix the supporting plate 5 and the LED lamp 6, when illumination is needed at a fixed position, the rotating block 101 is rotated to drive the pushing block 102 to rotate, so as to push the sliding rod 103 and the tooth block 105 to move downwards, the second spring 104 is compressed to drive the third gear 107 to rotate 90 degrees inwards, so as to drive the installation rod 2 and the roller 3 to rotate inwards, the installation rod 2 and the roller 3 are packed up, the supporting seat 1 moves downwards to be supported on the ground under the action of gravity, so as to fix the whole device on the ground, when illumination is not needed, the power supply 8 switch is pressed again to turn off the LED lamp 6, the rotating block 101 is rotated reversely to the original position to drive the pushing block 102 to rotate reversely, so as not to push the sliding rod 103 any more, under the action of the second spring 104, the sliding rod 103 and the tooth block 105 are pushed to move upwards, the third gear 107 is driven to rotate 90 degrees outwards, so as to drive the installation rod 2 and the roller 3 to rotate 90 degrees outwards, so as to support the roller 3 on the ground, promote bracing piece 4 once more and remove, drive supporting seat 1 and installation pole 2 and remove, drive gyro wheel 3 and rotate to remove the device and leave, and when needing to change power 8, then take off it after to outside portable power source 8 again, change later in new power source 8 inserts the spout of backup pad 5 rear sides, promote power source 8 again and move to original position to the inboard, so reciprocal, reach the effect of conveniently adjusting illumination angle and light removal and firm illumination.

Example 2

As shown in fig. 1, fig. 2, and fig. 9 to fig. 15, in some embodiments, the support assembly 11 further includes a support assembly 11, the support assembly 11 includes a first guide rod 111, a support leg 112, a fourth spring 113, a connection rod 114 and a fixture block 115, the first guide rod 111 is symmetrically connected to the front and rear sides of the lower portion of the support base 1, the support leg 112 is slidably connected to the first guide rod 111, the fourth spring 113 is connected between the support leg 112 and the support base 1, the fourth spring 113 is sleeved on the first guide rod 111, the connection rod 114 is connected between the inner sides of the support leg 112, the connection rod 114 is matched with the slide rod 103, the fixture block 115 is symmetrically connected to the front and rear sides of the upper portion of the connection rod 114, and the fixture block 115 is matched with the transmission shaft of the installation rod 2.

When lighting needs to be carried out at a fixed position, the sliding rod 103 moves downwards, the second spring 104 and the third spring 106 are compressed, the connecting rod 114 and the fixture block 115 are pushed to move downwards firstly, after the fixture block 115 is separated from a transmission shaft of the mounting rod 2, the mounting rod 2 can rotate freely, meanwhile, the supporting foot 112 is driven to move downwards, the fourth spring 113 is stretched, the supporting foot 112 is enabled to be supported on the ground, at the moment, the sliding rod 103 cannot move continuously, under the action of the third spring 106, the tooth block 105 is pushed to move downwards, finally, the mounting rod 2 and the roller 3 are driven to rotate inwards by 90 degrees, the mounting rod 2 and the roller 3 are packed, the whole device is stably supported on the ground, when lighting needs to be moved, the rotating block 101 and the pushing block 102 are rotated reversely, under the action of the second spring 104, the sliding rod 103 and the tooth block 105 are pushed to move upwards, finally, the mounting rod 2 and the roller 3 are driven to rotate outwards, the roller 3 is supported on the ground, meanwhile, after the sliding rod 103 moves away from the connecting rod 114, under the action of the fourth supporting foot 113, the sliding rod 112, the fixture block 114 is pushed to move upwards, the mounting rod 115 is clamped into the mounting rod 2 again, the mounting rod 2, the original supporting device is restored to be fixed on the ground, and the reciprocating effect is convenient to be achieved.

Still including covering subassembly 12, it is including first slider 121 to cover subassembly 12, second slider 122, the apron 123, second guide bar 124, first kelly 125 and fifth spring 126, backup pad 5 rear portion inboard is all the longitudinal symmetry sliding connection have first slider 121, the equal longitudinal symmetry sliding connection of backup pad 5 rear portion left and right sides has second slider 122, be connected with apron 123 between the first slider 121 of left and right sides and the second slider 122 front side, the equal longitudinal symmetry of backup pad 5 rear portion left and right sides has second guide bar 124, all sliding connection has first kelly 125 between the left and right sides second guide bar 124, first kelly 125 and apron 123 mutually support, the equal longitudinal symmetry is connected with fifth spring 126 between first kelly 125 and the backup pad 5, fifth spring 126 overlaps on second guide bar 124.

When the power supply 8 needs to be replaced, the first clamping rod 125 is pushed to move forwards to be separated from the cover plate 123, the fifth spring 126 is compressed, then the cover plate 123 is pushed to move outwards to drive the first sliding block 121 and the second sliding block 122 to move outwards, finally the first clamping rod 125 is taken down, the first clamping rod 125 is pushed to move backwards under the action of the fifth spring 126, then the new power supply 8 is replaced, the first sliding block 121 and the second sliding block 122 are slid into the grooves on the rear side of the supporting plate 5, the cover plate 123, the first sliding block 121 and the second sliding block 122 are pushed to move inwards, after the cover plate 123 is moved to contact with the first clamping rod 125, the first clamping rod 125 is pushed to move forwards, the fifth spring 126 is compressed, after the cover plate 123 is moved back to the original position, the first clamping rod 125 is pushed to move backwards under the action of the fifth spring 126, the cover plate 123 is inserted into the cover plate 123, the cover plate 123 is fixed and restored to the original state, and the effect of facilitating the replacement of the power supply 8 and being capable of protecting the replacement of the power supply 8 is achieved.

Still including anti-drop assembly 13, anti-drop assembly 13 is including third guide bar 131, second kelly 132 and sixth spring 133, and the equal longitudinal symmetry in the inside left and right sides of backup pad 5 is connected with third guide bar 131, and equal slidingtype connection has second kelly 132 between the third guide bar 131 inboard of the left and right sides, and second kelly 132 and power 8 are mutually supported, and equal longitudinal symmetry is connected with sixth spring 133 between second kelly 132 and the backup pad 5.

When needing to change power 8, promote the outside removal of second kelly 132, sixth spring 133 is compressed, second kelly 132 keeps away from behind the power 8, can promote the outside removal of power 8 and take off, change new power 8 and with it promote get back to the normal position after, loosen second kelly 132, under the effect of sixth spring 133, promote the inside removal of second kelly 132, make second kelly 132 block once more in the power 8, fix power 8, so reciprocal, reach stationary source 8's effect, avoid power 8 to drop at the removal in-process.

The fan blade type heat dissipation device is characterized by further comprising a heat dissipation assembly 14, wherein the heat dissipation assembly 14 comprises a rotating shaft 141, fan blades 142 and a filter screen 143, the rotating shaft 141 is rotatably connected to the front side of the support plate 5 in a bilateral symmetry mode, the plurality of fan blades 142 are evenly connected to the outer side of the rotating shaft 141 at intervals, the filter screen 143 is connected to the front side of the support plate 5 in a bilateral symmetry mode, and the filter screen 143 is located on the outer side of the fan blades 142.

When pressing the power 8 switch, will control and drive pivot 141 and flabellum 142 and rotate, blow cold wind to LED lamp 6, for LED lamp 6 heat dissipation, filter screen 143 can avoid the dust to get into, need not the illumination back, press the power 8 switch once more, control pivot 141 and flabellum 142 stall, so reciprocal, reach the radiating effect of convenient operation for LED lamp 6.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a conveniently change portable lighting device of power which characterized in that, including: the device comprises a supporting seat (1), wherein mounting rods (2) are symmetrically and rotatably connected to two sides of the lower portion of the supporting seat (1), and the mounting rods (2) at two sides are connected through transmission shafts; the outer sides of the lower parts of the mounting rods (2) are respectively and rotatably connected with the rollers (3); the upper part of the supporting seat (1) is connected with the supporting rod (4); the supporting plate (5) is rotatably connected to one side of the upper part of the supporting rod (4); the LED lamp comprises LED lamps (6), wherein three LED lamps (6) are uniformly connected to one side of the supporting plate (5) at intervals; the lampshade (7) is connected to one side of the supporting plate (5); the power supply (8) is symmetrically arranged on one side of the supporting plate (5) in a sliding fit manner; the adjusting component (9) is arranged between the inner part of the supporting rod (4) and the supporting plate (5); the storage assembly (10) is arranged between the support seat (1) and the mounting rod (2);

the adjusting assembly (9) comprises: the first gear (91) is connected to a transmission shaft of the support plate (5); the second gear (92) is rotatably connected to the upper side inside the supporting rod (4), and the first gear (91) is meshed with the second gear (92); the rack (93) is connected to the middle inside the supporting rod (4) in a sliding manner, and the rack (93) is meshed with the second gear (92); the limiting block (94) is connected to one side of the lower portion of the rack (93) in a sliding mode, and the limiting block (94) is matched with the supporting rod (4); the first spring (95) is symmetrically connected between the limiting block (94) and the rack (93);

the storage assembly (10) comprises: the upper part of the supporting seat (1) is rotatably connected with the rotating block (101); the push block (102) is connected to one side of the lower portion of the rotating block (101); the sliding rod (103) is connected to the middle inside the supporting seat (1) in a sliding mode, and the sliding rod (103) is matched with the push block (102); the second spring (104) is connected between the sliding rod (103) and the supporting seat (1), and the second spring (104) is sleeved on the sliding rod (103); the lower part of the sliding rod (103) is connected with the tooth block (105) in a sliding way; the third spring (106) is connected between the tooth block (105) and the sliding rod (103), and the third spring (106) is sleeved on the sliding rod (103); and the middle parts of the transmission shafts of the mounting rods (2) are connected with the third gear (107), and the third gear (107) is matched with the gear.

2. The portable lighting device with easy power supply replacement as claimed in claim 1, further comprising a supporting member (11), wherein the supporting member (11) comprises: the two sides of the lower part of the supporting seat (1) are symmetrically connected with the first guide rods (111); the supporting leg (112) is connected with the first guide rod (111) in a sliding mode; the fourth spring (113) is connected between the supporting foot (112) and the supporting seat (1), and the fourth spring (113) is sleeved on the first guide rod (111); the connecting rod (114) is connected between the inner sides of the supporting legs (112), and the connecting rod (114) is matched with the sliding rod (103); the two sides of the upper part of the connecting rod (114) are symmetrically connected with the clamping blocks (115), and the clamping blocks (115) are matched with the transmission shaft of the mounting rod (2).

3. The portable lighting device with easy power supply replacement as claimed in claim 2, further comprising a covering assembly (12), wherein the covering assembly (12) comprises: one side of the support plate (5) is connected with the first sliding block (121) in a vertically symmetrical sliding manner; one side of the supporting plate (5) is connected with the second sliding blocks (122) in a vertically symmetrical and sliding manner; the cover plate (123) is connected between the first sliding block (121) and one side of the second sliding block (122) on two sides; one side of the support plate (5) is connected with the second guide rod (124) in a vertical symmetrical mode; the first clamping rods (125) are connected between the second guide rods (124) on the two sides in a sliding manner, and the first clamping rods (125) are matched with the cover plate (123); and the fifth spring (126) is vertically and symmetrically connected between the first clamping rod (125) and the supporting plate (5), and the fifth spring (126) is sleeved on the second guide rod (124).

4. A portable lighting device convenient for power supply replacement as claimed in claim 3, further comprising an anti-drop assembly (13), wherein the anti-drop assembly (13) comprises: the third guide rods (131) are symmetrically connected to the upper and lower sides of the inner part of the support plate (5); the second clamping rods (132) are connected between the inner sides of the third guide rods (131) on two sides in a sliding manner, and the second clamping rods (132) are matched with the power supply (8); and the sixth spring (133) is symmetrically connected between the second clamping rod (132) and the support plate (5) up and down.

5. The portable lighting device convenient for power supply replacement as claimed in claim 4, further comprising a heat dissipating member (14), wherein said heat dissipating member (14) is disposed on one side of said support plate (5).

6. The portable lighting device with easy power exchange as claimed in claim 5, wherein the heat sink assembly (14) comprises: the rotating shaft (141) is connected to one side of the supporting plate (5) in a symmetrical and rotating mode; the fan blades (142) are uniformly connected to the outer side of the rotating shaft (141) at intervals; the fan blade structure comprises a filter screen (143), wherein one side of the support plate (5) is symmetrically connected with the filter screen (143), and the filter screen (143) is located on the outer side of the fan blade (142).