CN210511233U

CN210511233U - Searchlight capable of adjusting irradiation range and lamp cap thereof

Info

Publication number: CN210511233U
Application number: CN201921525086.4U
Authority: CN
Inventors: 李希龙
Original assignee: Xiamen Longstar Lighting Co Ltd
Current assignee: Xiamen Longstar Lighting Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-05-12
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a can adjust scope of illumination's searchlight and lamp holder thereof, the lamp holder includes the shell, and this shell cavity's bottom center is equipped with the lamp stand, still expands the worn-out fur including the polylith that sets up in this shell, and a plurality of lugs are distributed to the peripheral equidistant ground of this lamp stand, and the upper end that should expand the worn-out fur is articulated with the inner wall rotation of this shell, should expand to be connected through the telescopic link between worn-out fur and this lug, still including entangling expand the propelling movement ring and the push rod of worn-out fur, this push rod inner is connected with this propelling movement ring, is equipped with vertical extension's through-hole on this shell, and this push rod outer end stretches out outside this shell along this through-hole, still includes and should expand a plurality of springs of worn-out fur one-to one-. The inclination angle of the light expansion plate can be adjusted by externally operating the push rod, so that the irradiation range is adjusted, and the adjustment operation is very convenient. And moreover, the light expansion plates are uniformly sleeved by the pushing rings, so that the same inclination angles of all the light expansion plates are ensured, and the adjusting effect is stable.

Description

Searchlight capable of adjusting irradiation range and lamp cap thereof

Technical Field

The utility model relates to a searchlight and lamp holder thereof especially relate to a can adjust scope of illumination's searchlight and lamp holder thereof.

Background

The searchlight has a strong light source and a concave mirror which can intensively project light rays in a specific direction, and is mainly used for long-distance illumination and search, so that the shortage of the searchlight is caused by a too small illumination range during short-distance illumination.

The utility model discloses a utility model patent of publication No. CN207962127U discloses a LED light shell that can adjust light irradiation range, and it is on the protruding edge of lamp stand through the pin rotation connection with the light screen lower extreme, and the light screen upper end outside is rotated through pin and loop bar and is connected, and the loop bar is pegged graft with the sleeve of fixing on the drum inner wall again, and the loop bar passes through the bolt lock with the sleeve and is in the same place. When the irradiation range needs to be adjusted, the bolt is loosened, and the sleeving distance between the loop bar and the sleeve is adjusted, so that the inclination angle of the light screen is changed, and the irradiation range can be changed.

However, since the sleeve rod and the sleeve are both arranged in the cylinder, when in adjustment, a finger needs to extend into the cylinder for operation, and the concave mirror arranged on the searchlight can not extend into the lamp shell for adjustment at all, so that the existing structure is not suitable for the searchlight. In addition, when adjusting, all need all adjust alone to every set of loop bar and sleeve respectively, can not guarantee that the distance of cup jointing of every set of loop bar and sleeve is all unanimous, leads to the inclination of different light screens different each other, and the light ring scope is irregular.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can adjust searchlight and lamp holder thereof of irradiation range, its easy operation is and adjust stably. The utility model provides a technical scheme that its technical problem adopted is:

a searchlight holder capable of adjusting an irradiation range comprises a cylindrical shell, a lamp holder for mounting a light source is arranged at the center of the bottom of an inner cavity of the shell, an opening is formed at the top of the shell, the searchlight holder further comprises a lens for covering the opening and a plurality of light expansion plates arranged in the shell, a plurality of lugs are distributed on the periphery of the lamp holder at equal intervals and correspond to the light expansion plates one by one, the upper ends of the light expansion plates are rotatably hinged with the inner wall of the shell, the light expansion plates are connected with the lugs through telescopic rods, two ends of the telescopic rods are respectively rotatably hinged with the lugs and the lower ends of the light expansion plates, the searchlight holder further comprises a push ring and a push rod which are sleeved on the light expansion plates, the inner ends of the push rod are connected with the push ring, a through hole which extends vertically is formed in the shell, the outer end of the push rod extends out of the shell along the through hole, the push rod can vertically reciprocate along the, the spring is tensioned between the shell and the light diffusion plate and pulls the lower end of the light diffusion plate to swing towards the direction of the side wall of the shell until the light diffusion plate is pressed against the push ring.

In a preferred embodiment: the push rod is tightly matched with the through hole.

In a preferred embodiment: the push rods are two and are symmetrically positioned at the left side and the right side of the push ring, and the shell is provided with two through holes.

In a preferred embodiment: the outer end of the push rod is connected with a push block.

In a preferred embodiment: the push block is a nut and is screwed on the push rod and tightly pressed on the surface of the shell.

In a preferred embodiment: the two ends of the spring are respectively hinged with the inner wall of the shell and the light expansion plate in a rotating way.

In a preferred embodiment: the spring is located below the push ring.

Searchlight that can adjust irradiation range includes: the lamp holder comprises a cylindrical shell, a lamp holder for mounting a light source is arranged at the center of the bottom of an inner cavity of the shell, an opening is formed at the top of the shell, the lamp holder also comprises a lens for covering the opening and a plurality of light expansion plates arranged in the shell, a plurality of lugs are distributed at the periphery of the lamp holder at equal intervals and correspond to the light expansion plates one by one, the upper end of each light expansion plate is rotatably hinged with the inner wall of the shell, the light expansion plates are connected with the lugs through telescopic rods, the two ends of each telescopic rod are respectively rotatably hinged with the lugs and the lower ends of the light expansion plates, the lamp holder also comprises a push ring and a push rod for sleeving the light expansion plates, the inner end of the push rod is connected with the push ring, the shell is provided with a through hole extending vertically, the outer end of the push rod extends out of the shell along the through hole, the push rod can vertically reciprocate along the through hole, and also comprises a plurality of, the spring is tensioned between the shell and the light expansion plate and pulls the lower end of the light expansion plate to swing towards the direction of the side wall of the shell until the light expansion plate is pressed against the push ring; the lamp body is connected to the rear end of the lamp cap, and the lamp body can be connected to the support in a vertically rotating mode.

In a preferred embodiment: the support comprises a base, a rotating shaft and a U-shaped frame, the lamp body is rotatably erected in the U-shaped frame, and the U-shaped frame is connected above the base through the rotating shaft.

Compared with the background technology, the technical scheme has the following advantages:

1. this push rod outer end stretches out outside this shell along this through-hole, just can remove the operation to the push rod in the outside of shell to drive the propelling movement ring and shift up or move down, when the propelling movement ring shifts up, through the elastic force of overcoming the spring, drive the lower extreme of expanding the worn-out fur and swing inwards, the telescopic link extension, like this, the inclination of expanding the worn-out fur increases, can enlarge illumination zone. When the push ring moves downwards, the spring automatically pulls the light expansion plate, so that the light expansion plate always presses the push ring, the lower end of the light expansion plate swings outwards, and the telescopic rod contracts, so that the inclination angle of the light expansion plate is reduced, and the illumination range can be reduced. The utility model discloses a searchlight and lamp holder thereof just can adjust the inclination of expanding the worn-out fur through externally operating the push rod to adjust irradiation range, it is very convenient to adjust the operation. And moreover, the light expansion plates are uniformly sleeved by the pushing rings, so that the same inclination angles of all the light expansion plates are ensured, and the adjusting effect is stable.

2. The push rod is tightly matched with the through hole, so that after the hand is loosened, the push rod is protected and cannot move under the action of no other external force, and the use is convenient.

3. The push rods are two and are symmetrically positioned at the left side and the right side of the push ring, so that the operation is more stable and convenient.

4. The outer end of the push rod is connected with a push block, so that the push rod is conveniently pushed.

5. The two ends of the spring are respectively hinged with the inner wall of the shell and the light expansion plate in a rotating mode, so that the spring is more flexible and is not easy to clamp the light expansion plate.

6. The spring is positioned below the pushing ring, the pushing ring does not influence the spring during adjustment, and the lamp holder is more compact in structure.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of the searchlight with adjustable illumination range according to the present invention.

FIG. 2 is a schematic cross-sectional view of the head of the searchlight shown in FIG. 1 with the push rod at the bottom of the through hole.

FIG. 3 is a schematic cross-sectional view of the head (push rod in the middle of the through hole) of the searchlight shown in FIG. 1.

Detailed Description

Referring to fig. 1, the searchlight capable of adjusting an irradiation range includes a base 10, a lamp body 20 and a bracket 30, wherein the lamp body 20 is connected to a rear end of the base 10, and the lamp body 20 is rotatably connected to the bracket 30. The bracket 30 includes a base 32, a rotating shaft 34, and a U-shaped frame 36, the lamp body 20 is rotatably erected in the U-shaped frame 36, and the U-shaped frame 36 is connected above the base 32 through the rotating shaft 34. Therefore, the U-shaped frame 36 can rotate to drive the lamp head 10 and the lamp body 20 to rotate in a circumferential direction by 360 degrees, and the lamp body 20 can rotate up and down to drive the lamp head 10 to swing up and down to adjust the lighting height.

Referring to fig. 2 and 3, the lamp head 10 includes: a cylindrical shell 11, a lamp holder 112 for installing a light source is arranged at the center of the bottom of the inner cavity of the shell 11, and an opening is formed at the outer top 11. The lamp holder 112 also comprises a lens 12 covering the opening and a plurality of light diffusion plates 13 arranged in the shell 11, a plurality of lugs 114 are distributed on the periphery of the lamp holder 112 at equal intervals, and the lugs 114 correspond to the light diffusion plates 13 one by one. The upper end of this expand bare board 13 rotates with the inner wall of this shell 11 and articulates, should expand bare board 13 and be connected through telescopic link 14 between this lug 114, and the both ends of this telescopic link 14 rotate with this lug 114 and expand bare board 13 lower extreme respectively and articulate, and like this, when expanding bare board lower extreme inwards pendulum, the telescopic link extension, the inclination that expands the bare board increases, when expanding bare board lower extreme outwards pendulum, the telescopic link shortens, the inclination that expands the bare board diminishes. The light diffusion plate is characterized by further comprising a push ring 15 and a push rod 16, wherein the push ring 15 and the push rod 16 are sleeved on the light diffusion plate 13, the inner end of the push rod 16 is connected with the push ring 15, a through hole 116 extending vertically is formed in the shell 11, and the outer end of the push rod 16 extends out of the shell 11 along the through hole 116. The push rod 16 can reciprocate vertically along the through hole 116 to drive the push ring 15 to move up and down, and the push ring 15 pushes the light expansion plate 13 to swing. And a plurality of springs (not shown) corresponding to the light expansion plates 13 one by one, wherein the springs are tensioned between the shell 11 and the light expansion plates 13 and used for pulling the lower ends of the light expansion plates 13 to swing towards the side wall of the shell 11 (outwards) until the light expansion plates 13 are pressed against the push ring 15.

Preferably, the push rod 16 is a tight fit with the through hole 116. In particular, a push block 17 is connected to the outer end of the push rod 16. The push block 17 may be a nut screwed onto the push rod 16, the nut being pressed against the housing 11. In this embodiment, the push rods 16 are two and symmetrically located at the left and right sides of the push ring 15, and the housing 11 has two through holes 116 corresponding to the two push rods 16.

Preferably, both ends of the spring are rotatably hinged with the inner wall of the housing 11 and the light expansion plate 13, respectively. More preferably, the spring is located below the push ring 15.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. Can adjust scope of illumination's searchlight lamp holder, including cylindric shell, the bottom center of this shell inner chamber is equipped with the lamp stand that is used for installing the light source, and this shell top forms the opening, still including covering this open-ended lens and setting up the polylith board that expands in this shell, a plurality of lugs are distributed to this lamp stand periphery equidistant, this lug and this board one-to-one that expands, its characterized in that: the upper end of the light expansion plate is rotatably hinged to the inner wall of the shell, the light expansion plate is connected with the lug through a telescopic rod, two ends of the telescopic rod are rotatably hinged to the lug and the lower end of the light expansion plate respectively, the light expansion plate further comprises a push ring and a push rod, the push rod is sleeved with the push ring and connected with the push ring, a through hole extending vertically is formed in the shell, the outer end of the push rod extends out of the shell along the through hole, the push rod can vertically reciprocate along the through hole, the light expansion plate further comprises a plurality of springs in one-to-one correspondence with the light expansion plate, and the springs are tensioned between the shell and the light expansion plate and pull the lower end of the light expansion plate to swing towards the direction of the side wall of the shell until the light expansion plate is pressed against the push ring.

2. The floodlight head capable of adjusting an irradiation range according to claim 1, wherein: the push rod is tightly matched with the through hole.

3. The floodlight head capable of adjusting an irradiation range according to claim 2, wherein: the push rods are two and are symmetrically positioned at the left side and the right side of the push ring, and the shell is provided with two through holes.

4. A floodlight head capable of adjusting an irradiation range according to claim 2 or 3, wherein: the outer end of the push rod is connected with a push block.

5. The floodlight head capable of adjusting an irradiation range according to claim 1, wherein: the push block is a nut and is screwed on the push rod and tightly pressed on the surface of the shell.

6. The floodlight head capable of adjusting an irradiation range according to claim 1, wherein: the two ends of the spring are respectively hinged with the inner wall of the shell and the light expansion plate in a rotating way.

7. The floodlight head capable of adjusting an irradiation range according to claim 6, wherein: the spring is located below the push ring.

8. Can adjust scope's searchlight, its characterized in that: the lamp head of any one of claims 1 to 6, further comprising a lamp body and a bracket, wherein the lamp body is connected to the rear end of the lamp head, and the lamp body is connected to the bracket in a manner of rotating up and down.

9. The floodlight capable of adjusting an irradiation range according to claim 8, wherein: the support comprises a base, a rotating shaft and a U-shaped frame, the lamp body is rotatably erected in the U-shaped frame, and the U-shaped frame is connected above the base through the rotating shaft.