CN210462638U

CN210462638U - Trench lamp with wide illumination range

Info

Publication number: CN210462638U
Application number: CN201921385136.3U
Authority: CN
Inventors: 郭锋
Original assignee: Chengdu Panda Technology Co ltd
Current assignee: Sichuan Pan Da Lighting Co., Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-05
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a trench lamp with wide illumination range, which comprises a base, a stand column, a lamp and a rotary connecting device, wherein the rotary connecting device is used for connecting the stand column and the lamp, the rotary connecting device comprises a rotor and rotary connectors fixed on the rotor, the number of the rotary connectors is at least two, and the self-rotation shafts of the rotary connectors are mutually vertical; the lamp is connected with the rotary connector and can rotate around the rotation shaft of the rotary connector; the upright post is connected with the rotary connector and simultaneously takes the rotation of the rotary connector as a center, and the lamp can rotate in a vertical plane. The utility model discloses a can increase the illumination angle control range of trench lamp and illumination zone, have instruction function and energy-saving control function moreover.

Description

Trench lamp with wide illumination range

Technical Field

The utility model relates to a in light technical field, concretely relates to trench lamp that illumination zone is wide.

Background

The trench lamp mainly used subway vehicle section, high-speed railway motor car institute, subway, high-speed railway vehicle overhaul the illumination and use, and current trench lamp sets up along trench length direction interval, and the direction of illumination of every trench lamp can only be followed direction from top to bottom and adjusted, leads to illumination angle too narrow, illumination zone little for there is the illumination blind area between two adjacent trench lamps, is unfavorable for motor car or railcar's maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve is that the direction of illumination of current trench lamp can only be followed upper and lower direction and adjusted, leads to illumination angle too narrow, the little technical problem of illumination zone, and aim at provides a can increase the trench lamp of illumination angle control range and illumination zone.

The utility model discloses a following technical scheme realizes: a trench lamp with a wide illumination range comprises a base, a stand column, a lamp and a rotary connecting device, wherein the rotary connecting device is used for connecting the stand column and the lamp and comprises a rotor and at least two rotary connectors fixed on the rotor, and the rotating shafts of the rotary connectors are vertical to each other; the lamp is connected with the rotary connector and can rotate around the rotation shaft of the rotary connector; the upright post is connected with the rotary connector and simultaneously takes the rotation of the rotary connector as a center, and the lamp can rotate in a vertical plane.

In order to enable the adjustment range of the illumination angle of the trench lamp to be large and the illumination range to be wide, the technical scheme is that the rotary connecting device is arranged to connect the lamp and the stand column, the rotary connecting device comprises a rotor and a rotary connector fixed on the rotor, the rotor can be in a cube, a cylinder or a cone shape, the rotary connector is at least provided with two rotary connectors, such as three rotary connectors, four rotary connectors or the like, and a plurality of rotary connectors are arranged to be connected with the lamps in corresponding number at the same time. And the rotation axes of the rotation connectors are perpendicular to each other, if the rotating body is a cube, the rotation connectors are respectively arranged on the surfaces of the rotating body; if the rotor is a cylinder, one of the rotary connectors is arranged on the end face of the rotor and the remaining rotary connectors are arranged on the side face of the rotor. When the lamp is used, the upright post is connected with one rotary connector, and the lamp is connected with the other rotary connectors. Compare with the trench lamp among the prior art, through making lamps and lanterns can wind this rotation axis rotation that rotates the connector, with making lamps and lanterns use this rotation axis that rotates the connector as the center at vertical plane internal rotation, increased illumination angle control range and illumination zone, be favorable to maintainer to overhaul motor car or subway vehicle, can also realize folding of lamps and lanterns through rotating the connector moreover, reduce the space that lamps and lanterns occupy.

Furthermore, the rotating connector comprises a body and a movable ring, the body is in a hollow tubular shape, one end of the body is fixed on the rotating body, and the other end of the body is connected to the lamp or the upright post; the movable ring comprises an inner ring and a locking claw, the inner ring is fixed on the body, the locking claw is of an arc structure concentric with the inner ring, a gap is formed between the locking claw and the inner ring, one end of the locking claw is arranged on the outer side of the inner ring, the other end of the locking claw is a free end, and a tooth protrusion is arranged on the free end of the locking claw.

Furthermore, the lamp comprises a shell and a lamp tube, one end of the shell is a free end, the other end of the shell is a connecting end, an inner gear ring is arranged on the end face of the connecting end, the diameter and the tooth pitch of the inner gear ring are matched with those of the locking claws, and the connecting end of the shell is connected to the body.

Further, the stand includes hypomere, middle section, upper segment and the linkage segment that from down up connects gradually, and the hypomere is connected with the base, and the linkage segment is connected with the rotation connector.

Among the prior art, the support of trench lamp all is the integral type structure of using, when installation or later maintenance, it is troublesome to dismantle, the equipment, and must destroy mounting surface's ornamental material, for the convenience of trench lamp's installation, maintain, avoid destroying mounting surface's ornamental material, this technical scheme will adopt the stand of concatenation formula, the hypomere that up connects gradually is adopted from down to the stand promptly, the middle section, upper segment and linkage segment combination form, modes such as rethread joint or bolted connection are fixed, just so be convenient for the installation of trench lamp, maintain, the installation is improved, the maintenance efficiency, avoid destroying mounting surface's ornamental material, keep the complete of trench lamp outward appearance.

Furthermore, the connecting section comprises a shell and a guide section, an inner gear ring is arranged on the shell, the diameter and the tooth pitch of the inner gear ring are matched with those of the locking claws, and the guide section is inserted in the upper section.

In order to realize that lamps and lanterns can the rotation and can rotate in vertical plane to increase trench lamp's illumination angle control range and illumination zone, this technical scheme utilizes body and activity ring to constitute and rotates the connector, sets up in activity ring assorted ring gear simultaneously on the casing of lamps and lanterns. The body is the cavity tubulose, and this is favorable to the overall arrangement of cable to walk the line, sets up the bolt hole in the one end of body moreover, fixes the body on the rotor through the bolt, sets up the screw thread at the other end of body, and it has packing ring and nut to wear the cover on the screw thread, and the loose ring sets up on the body between screw thread and bolt hole. And meanwhile, a mounting hole and an inner gear ring matched with the diameter of the body are arranged at the connecting end of the lamp, the diameter and the tooth pitch of the inner gear ring are matched with the locking claws, and the diameter of the gasket is larger than that of the mounting hole and smaller than that of the inner gear ring. During assembly, a shell of the lamp is sleeved on the body in a penetrating mode, the tooth protrusions on the locking claws are meshed with the inner gear ring, then the gasket and the nut are sequentially connected onto the body from the inside of the shell, the lamp is movably connected onto the body in a limiting mode through the gasket and the nut, and therefore the lamp can rotate around the rotation shaft of the rotating connector, and the purpose of enlarging the illumination angle adjusting range and the illumination range of the trench lamp is achieved. Meanwhile, due to the matching of the inner gear ring and the movable ring, in the autorotation process of the lamp, the tooth bulge at the free end of the stop pawl on the movable ring is acted by the inner gear ring to enable the stop pawl to be elastically bent, when the lamp rotates to a required position, the tooth bulge at the free end of the stop pawl is meshed with the inner gear ring, so that the stop of the lamp is realized, and the lamp is prevented from automatically rotating when in use.

In order to realize that the lamp can rotate in a vertical plane so as to enlarge the illumination angle adjusting range and the illumination range of the trench lamp, the inner gear ring is also arranged on the shell of the connecting section of the upright post. The connection mode of the lamp is the same, the shell of the connection section is movably connected to the body in a limiting mode through the washer and the nut on the body, and meanwhile the inner gear ring on the shell is meshed with the movable ring, so that the lamp can rotate around the rotating connector connected with the connection section, the rotation of the lamp in a vertical plane is achieved, and the illumination angle adjusting range and the illumination range of the trench lamp are enlarged.

The LED lamp further comprises a spotlight holder, wherein the spotlight holder comprises a lens lampshade, and the spotlight holder is arranged at the free end of the lamp and used for gathering light.

In the prior art, because the space that the trench lamp needs to throw light on in the trench is comparatively broad, when needs are to some local key illumination, current trench lamp does not have spotlight's function, often needs additionally to use other lighting apparatus auxiliary lighting, has increased the cost of purchasing the instrument, has also increased the quantity that the maintainer carried the instrument. In order to enable the trench lamp to have the function of spotlight illumination and reduce the cost of purchasing tools and the number of tools carried by an overhaul worker, the free end of the lamp is provided with the lens lampshade, and the lens lampshade gathers light to achieve the function of spotlight illumination.

Further, still include LED lamp area and LED controller, LED lamp area sets up on the surface in middle section, and the LED controller is connected with LED lamp area and is used for controlling LED lamp area with RGB color mode work.

In the prior art, when a motor car or a train passes in and out of a trench in the maintenance of the motor car or the train, an indicator lamp is not arranged to remind a driver whether to enter the trench, and when people or obstacles exist in the trench or beside the trench, safety accidents are easily caused when the vehicle enters the trench. In order to make the trench lamp have an indication function to indicate that a driver safely drives into the trench, the LED lamp strip is arranged on the stand column, and the LED lamp strip is arranged on the outer surface of the stand column, so that the stand column can be seen from each direction, and the brightness of the LED lamp strip can be clearly seen. The LED lamp belts are controlled by the LED controller, the LED lamp belts with the number corresponding to the number of the output ports are connected to one LED controller according to the output ports of the LED controller, the LED controller is manually controlled by a computer program, the LED lamp belts are controlled by the LED controller to work in an RGB color mode, namely, the LED lamp belts are controlled to display red, yellow and green colors, and a dispatcher selects which of the three colors is specifically displayed on a computer. Entry is prohibited with a red light, pending parking with a yellow light, and admitted with a green light. When people, obstacles or vehicles are detected in or beside the trench, the dispatcher controls the LED lamp to light the red light to prompt a driver of the vehicle to be detected to forbid driving into the trench; when no personnel stay in the trench and around the trench and the obstacle is cleared, the dispatching personnel control the LED lamp strip to light the green light to prompt the driver to permit driving into the trench; when the vehicle is overhauled and ready to be driven out of the trench, the dispatcher controls the LED lamp to light the yellow lamp to prompt a driver to stop for a certain time, the driver is ready to drive, meanwhile, the dispatcher reminds the maintainers of leaving the field, and when the maintainers and the equipment are in safe regions, the driver drives the vehicle out of the trench.

Further, still include radar inductive switch, radar inductive switch sets up on the stand to a perception is blockked around the stand.

In the prior art, the trench lamps in the same trench are all switched on and off simultaneously, and because a train of motor cars or trains has large span, when only a certain local area needs to be overhauled, only local illumination is needed, but the switch of the local trench lamps cannot be controlled by the existing control mode with the on and off simultaneously, so that the energy conservation is not facilitated. In order to realize the energy-saving control of the switch of the trench lamp, the radar sensing switch is arranged on the upright post, when no person or equipment exists in the trench, the brightness of the trench lamp is only 1/3 with normal brightness through artificial setting, when the person or equipment enters the trench, the radar sensing switch on the trench lamp at the corresponding position senses the existence of the person or equipment, the trench lamp at the corresponding position is automatically recovered with the normal brightness, and when the person leaves the area with the bright lamp, the trench lamp with the normal brightness does not sense the person or equipment and recovers 1/3 brightness, so that the purpose of energy-saving control is achieved.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) the utility model discloses utilize swivelling joint device to connect lamps and lanterns and stand, through making lamps and lanterns can wind the rotation axis rotation that rotates the connector, use another rotation axis that rotates the connector as the center at vertical plane internal rotation with making lamps and lanterns, increased illumination angle control range and illumination zone, be favorable to maintainer to overhaul motor car or railcar, can also realize the folding of lamps and lanterns through swivelling joint device moreover, reduce the space that lamps and lanterns occupy.

(2) The utility model discloses a set up LED lamp area and LED controller, utilize LED controller control LED lamp area with RGB color mode work, control LED lamp area shows red, yellow, green three kinds of colours, whether the suggestion driver permits to get into the trench, or the suggestion maintainer safety leaves the field, has increased the indicating function of trench lamp, and the security of the vehicle of being convenient for and personnel has improved the maintenance.

(3) The utility model discloses a set up the existence of whether having personnel or equipment in the radar inductive switch judgement trench to the luminance of radar inductive switch judgement result control trench lamp, when not having the existence of personnel or equipment in the trench, the trench lamp is with 1/3 luminance constant of normal luminance, and when having the existence of personnel or equipment in the trench, the trench lamp resumes normal luminance, has realized the energy-saving control of trench lamp.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is an external view of the present invention;

FIG. 2 is an external view of the rotary connector;

FIG. 3 is a schematic view of the structure of the rotating connector body;

FIG. 4 is a schematic view of the movable ring of the rotating connector;

FIG. 5 is an external view of the lamp;

FIG. 6 is a schematic external view of a connecting segment;

FIG. 7 is a schematic view of a middle section;

reference numbers and corresponding part names in the drawings:

the LED lamp comprises a lower section 1, a middle section 2, an upper section 3, a connecting section 4, a rotary connecting device 5, a lamp 6, a spotlight holder 7, a rotary connector 8, a body 9, a movable ring 10, a guide section 11, a stop pawl 12, an LED lamp strip 13, a gasket 14 and a nut 15.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Examples

As shown in fig. 1 to 7, a trench lamp with a wide illumination range includes a base, a column, a lamp 6, and a rotary connection device 5, where the rotary connection device 5 is used to connect the column and the lamp 6, the rotary connection device 5 includes a rotor and at least two rotary connectors 8 fixed on the rotor, and the rotation axes of the rotary connectors 8 are perpendicular to each other; the lamp 6 is connected with the rotary connector 8 and can rotate around the rotation shaft of the rotary connector 8; the column is connected with the rotary connector 8 and the lamp 6 can rotate in a vertical plane with the rotation of the rotary connector 8 as the center.

In order to enable the adjustment range of the illumination angle of the trench lamp to be large and the illumination range to be wide, the technical scheme is that the rotary connecting device 5 is arranged to be connected with the lamp 6 and the stand column, the rotary connecting device 5 comprises a rotor and a rotary connector 8 fixed on the rotor, the rotor can be in a cube, a cylinder or a cone shape, the rotary connector 8 is at least provided with two, such as three, four and the like, and a plurality of rotary connectors 8 are arranged to be connected with the lamp 6 in corresponding number at the same time. And the rotation axes of the respective rotary connectors 8 are perpendicular to each other, if the rotating body is a cube, the respective rotary connectors 8 are respectively provided on the respective faces of the rotating body; if the rotor is cylindrical, one of the rotary connectors 8 is arranged on the end face of the rotor and the remaining rotary connectors 8 are arranged on the side face of the rotor. In use, the post is connected to one rotary connector 8 and the light 6 is connected to the remaining rotary connectors 8. Compare with the trench lamp among the prior art, through making lamps and lanterns can wind this rotation axis rotation that rotates connector 8, with making lamps and lanterns 6 use this rotation axis that rotates connector 8 as the center at vertical plane internal rotation, increased illumination angle control range and illumination zone, be favorable to maintainer to overhaul motor car or railcar, can also realize lamps and lanterns 6's folding through swivelling joint device 5 moreover, reduce the space that lamps and lanterns 6 occupy.

Further, the rotating connector 8 comprises a body 9 and a movable ring 10, the body 9 is in a hollow tubular shape, one end of the body 9 is fixed on the rotating body, and the other end of the body 9 is connected to the lamp 6 or the upright post; the movable ring 10 comprises an inner ring and a stopping claw 12, the inner ring is fixed on the body 9, the stopping claw 12 is of an arc structure concentric with the inner ring, a gap is formed between the stopping claw 12 and the inner ring, one end of the stopping claw 12 is arranged on the outer side of the inner ring, the other end of the stopping claw 12 is a free end, and a tooth boss is arranged on the free end of the stopping claw 12.

Further, the lamp 6 comprises a shell and a lamp tube, one end of the shell is a free end, the other end of the shell is a connecting end, an inner gear ring is arranged on the end face of the connecting end, the diameter and the tooth pitch of the inner gear ring are matched with the locking pawl 12, and the connecting end of the shell is connected to the body 9.

Further, the stand includes hypomere 1, middle section 2, upper segment 3 and linkage segment 4 that from down up connect gradually, and hypomere 1 is connected with the base, and linkage segment 4 is connected with rotation connector 8.

Among the prior art, the support of trench lamp all is the integral type structure of using, when installation or later maintenance, it is troublesome to dismantle, the equipment, and must destroy mounting surface's ornamental material, for the convenience of trench lamp's installation, maintain, avoid destroying mounting surface's ornamental material, this technical scheme will adopt the stand of concatenation formula, the lower segment 1 that up connects gradually is down adopted to the stand promptly, middle section 2, upper segment 3 and linkage segment 4 combination form, modes such as rethread joint or bolted connection are fixed, just so be convenient for the installation of trench lamp, the maintenance, the installation is improved, the maintenance efficiency, avoid destroying mounting surface's ornamental material, keep the complete of trench lamp outward appearance.

Furthermore, the connecting section 4 comprises a shell and a guide section 11, an inner gear ring is arranged on the shell, the diameter and the tooth pitch of the inner gear ring are matched with those of the locking claws 12, and the guide section 11 is inserted into the upper section 3.

In order to realize that the lamp 6 can rotate and can rotate in a vertical plane so as to enlarge the illumination angle adjusting range and the illumination range of the trench lamp, the technical scheme utilizes the body 9 and the movable ring 10 to form the rotating connector 8, and simultaneously, the shell of the lamp 6 is provided with an inner gear ring matched with the movable ring 10. The body 9 is hollow tube shape, and this is favorable to the overall arrangement of cable to be walked the line, sets up the bolt hole in the one end of body 9 in addition, fixes body 9 on the rotor through the bolt, sets up the screw thread at the other end of body 9, and it has packing ring 14 and nut 15 to wear to overlap on the screw thread, and loose ring 10 sets up on body 9 between screw thread and bolt hole. Meanwhile, a mounting hole and an inner gear ring which are matched with the diameter of the body 9 are arranged at the connecting end of the lamp 6, the diameter and the tooth pitch of the inner gear ring are matched with the locking claws 12, and the diameter of the gasket 14 is larger than that of the mounting hole and smaller than that of the inner gear ring. During assembly, a shell of the lamp 6 is sleeved on the body 9 in a penetrating mode, so that the tooth protrusions on the locking claws 12 are meshed with the inner gear ring, then the gasket 14 and the nut 15 are sequentially connected onto the body 9 from the inside of the shell, the lamp 6 is movably connected onto the body 9 in a limiting mode through the gasket 14 and the nut 15, and therefore the lamp 6 can rotate around the rotation shaft of the rotating connector 8, and the purpose of enlarging the illumination angle adjusting range and the illumination range of the trench lamp is achieved. Meanwhile, due to the matching of the inner gear ring and the movable ring 10, in the rotation process of the lamp 6, the tooth bulge at the free end of the stopping claw 12 on the movable ring 10 is acted by the inner gear ring to enable the stopping claw 12 to be elastically bent, when the lamp 6 rotates to a required position, the tooth bulge at the free end of the stopping claw 12 is meshed with the inner gear ring, so that the stopping of the lamp 6 is realized, and the lamp 6 is prevented from automatically rotating when in use.

In order to realize that the lamp 6 can rotate in a vertical plane so as to enlarge the illumination angle adjusting range and the illumination range of the trench lamp, the technical scheme is also provided with an inner gear ring on the shell of the connecting section 4 of the upright post. The connection mode of the lamp 6 is the same, the shell of the connecting section 4 is movably connected to the body 9 in a limiting mode through the washer and the nut on the body 9, and meanwhile the inner gear ring on the shell is meshed with the movable ring 10, so that the lamp 6 can rotate around the rotating connector 8 connected with the connecting section 4, the rotation of the lamp 6 in a vertical plane is achieved, and the illumination angle adjusting range and the illumination range of the trench lamp are enlarged.

Further, the LED lamp also comprises a spotlight holder 7, wherein the spotlight holder 7 comprises a lens lampshade, and the spotlight holder 7 is arranged at the free end of the lamp 6 and used for gathering light.

In the prior art, because the space that the trench lamp needs to throw light on in the trench is comparatively broad, when needs are to some local key illumination, current trench lamp does not have spotlight's function, often needs additionally to use other lighting apparatus auxiliary lighting, has increased the cost of purchasing the instrument, has also increased the quantity that the maintainer carried the instrument. In order to enable the trench lamp to have a light-gathering and illuminating function and reduce the cost of purchasing tools and the number of tools carried by an overhaul worker, the free end of the lamp 6 is provided with a lens lampshade 11, and the lens lampshade 11 gathers light to achieve the light-gathering and illuminating function.

Further, still include LED lamp area 13 and LED controller, LED lamp area 13 sets up on the surface of middle section 2, and the LED controller is connected with LED lamp area 13 and is used for controlling LED lamp area 13 to work with RGB color mode.

In the prior art, when a motor car or a train passes in and out of a trench in the maintenance of the motor car or the train, an indicator lamp is not arranged to remind a driver whether to enter the trench, and when people or obstacles exist in the trench or beside the trench, safety accidents are easily caused when the vehicle enters the trench. In order to make the trench lamp have the instruction function to instruct the driver to drive into the trench safely, this technical scheme sets up LED lamp area 13 on the stand, all sets up LED lamp area 13 on the surface of stand moreover, guarantees to see the stand from every direction, can both clearly see the bright light in LED lamp area 13. The LED lamp belts 13 are controlled by the LED controller, the LED lamp belts 13 with the number corresponding to the number of the output ports are connected to one LED controller according to the output ports of the LED controller, the LED controller is manually controlled by a computer program, the LED lamp belts 13 are controlled by the LED controller to work in an RGB color mode, namely, the LED lamp belts 13 are controlled to display red, yellow and green colors, and a dispatcher selects which of the three colors is specifically displayed on a computer. Entry is prohibited with a red light, pending parking with a yellow light, and admitted with a green light. When people, obstacles or vehicles are detected in or beside the trench, the dispatcher controls the LED lamp strip 13 to light the red light to prompt a driver of the vehicle to be detected to forbid driving into the trench; when no person stays in the trench and around the trench and the barrier is cleared, the dispatcher controls the LED lamp strip 13 to light the green light to prompt the driver to allow to enter the trench; when the vehicle is overhauled and ready to be driven out of the trench, the dispatcher controls the LED lamp strip 13 to light the yellow lamp to prompt a driver to stop for a certain time, the driver is ready to drive, meanwhile, the dispatcher reminds the maintainers of leaving the field, and when the maintainers and the equipment are in safe areas, the driver drives the vehicle out of the trench.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a wide trench lamp of illumination zone, includes base, stand and lamps and lanterns (6), its characterized in that: the lamp is characterized by further comprising a rotary connecting device (5), wherein the rotary connecting device (5) is used for connecting the stand column with the lamp (6), the rotary connecting device (5) comprises a rotor and at least two rotary connectors (8) fixed on the rotor, and the rotating shafts of the rotary connectors (8) are perpendicular to each other; the lamp (6) is connected with the rotary connector (8) and can rotate around the rotation shaft of the rotary connector (8); the upright post is connected with the rotary connector (8), and the lamp (6) can rotate in a vertical plane by taking the rotation of the rotary connector (8) as a center.

2. The wide-range trench lamp as claimed in claim 1, wherein: the rotary connector (8) comprises a body (9) and a movable ring (10), the body (9) is in a hollow tubular shape, one end of the body (9) is fixed on the rotating body, and the other end of the body (9) is connected to the lamp (6) or the upright post; the movable ring (10) comprises an inner ring and a stopping claw (12), the inner ring is fixed on the body (9), the stopping claw (12) is of an arc structure concentric with the inner ring, a gap is formed between the stopping claw (12) and the inner ring, one end of the stopping claw (12) is arranged on the outer side of the inner ring, the other end of the stopping claw (12) is a free end, and a tooth bulge is arranged on the free end of the stopping claw (12).

3. The wide-range trench lamp as claimed in claim 1, wherein: the lamp (6) comprises a shell and a lamp tube, one end of the shell is a free end, the other end of the shell is a connecting end, an inner gear ring is arranged on the end face of the connecting end, the diameter and the tooth pitch of the inner gear ring are matched with those of the locking claws (12), and the connecting end of the shell is connected to the body (9).

4. The wide-range trench lamp as claimed in claim 1, wherein: the stand includes hypomere (1), middle section (2), upper segment (3) and linkage segment (4) that from down up connect gradually, and hypomere (1) is connected with the base, and linkage segment (4) are connected with rotation connector (8).

5. The wide-range trench lamp as claimed in claim 4, wherein: the connecting section (4) comprises a shell and a guide section (11), an inner gear ring is arranged on the shell, the diameter and the tooth pitch of the inner gear ring are matched with those of the locking claws (12), and the guide section (11) is inserted into the upper section (3).

6. The wide-range trench lamp as claimed in claim 1, wherein: the LED lamp is characterized by further comprising a spotlight holder (7), wherein the spotlight holder (7) comprises a lens lampshade, and the spotlight holder (7) is arranged at the free end of the lamp (6) and used for gathering light.

7. The wide-range trench lamp as claimed in claim 1, wherein: still include LED lamp area (13) and LED controller, LED lamp area (13) set up on the surface of middle section (2), and the LED controller is connected with LED lamp area (13) and is used for controlling LED lamp area (13) and works with RGB color mode.

8. The wide-range trench lamp as claimed in claim 1, wherein: still include radar inductive switch, radar inductive switch sets up on the stand to a banger around the perception stand.