CN109099399B

CN109099399B - Folding projecting lamp support

Info

Publication number: CN109099399B
Application number: CN201810742889.9A
Authority: CN
Inventors: 陈茂杰; 卢江江
Original assignee: Cixi Sunshine Lighting & Lamp Co ltd
Current assignee: Cixi Sunshine Lighting & Lamp Co ltd
Priority date: 2018-07-09
Filing date: 2018-07-09
Publication date: 2020-05-22
Anticipated expiration: 2038-07-09
Also published as: CN109099399A

Abstract

The invention discloses a foldable projection lamp support which comprises a projection lamp, a support column and a disc, wherein a water storage cavity is arranged in the disc; eight detachable bottom supporting rods are uniformly arranged below the disc at intervals along the circumferential direction, the bottom supporting rods are hollow, and openings are formed in the upper parts of the bottom supporting rods; thereby this projecting lamp support can be dismantled and assemble folding of the projecting lamp support of being convenient for accomodate, store the transportation according to actual need.

Description

Folding projecting lamp support

Technical Field

The invention relates to the technical field of projection lamp supports, in particular to a foldable projection lamp support.

Background

The projector is a lamp that specifies that the illuminance on the illuminated surface is higher than the surrounding environment, and is also called a spotlight. In general, it can be aimed in any direction, mainly for large-area workplace mines, building outlines, stadiums, overpasses, outdoor concerts, parks, open-air construction sites, etc., so that almost all large-area lighting fixtures used outdoors can be regarded as floodlights. The existing projection lamp support is fixed by expansion bolts, so that the installation is inconvenient, the projection lamp is more troublesome to disassemble after being used up, and particularly, the projection lamp is very troublesome to fix in windy weather; traditional projecting lamp support is after using up, can't accomodate and the shipment in-process has taken great space.

Disclosure of Invention

Technical problem to be solved

The invention aims to overcome the defects in the prior art and provides a foldable projection lamp support with a simple structure.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

a foldable projection lamp support comprises a projection lamp, a support column and a disc, wherein a water storage cavity is formed in the disc, the projection lamp is detachably and threadedly connected to the top of the support column, and the disc is detachably and threadedly connected to the bottom of the support column; eight detachable bottom supporting rods are uniformly arranged below the disc at intervals along the circumferential direction, and the bottom supporting rods are hollow and are provided with openings at the upper parts. Thereby this projecting lamp support can be dismantled and assemble folding of the projecting lamp support of being convenient for accomodate, store the transportation according to actual need.

In a further technical scheme, eight annular insertion grooves for inserting the bottom supporting rod are uniformly arranged below the disc at intervals along the circumferential direction, mounting holes communicated with the insertion grooves are formed in the side walls of the insertion grooves along the horizontal direction, locking blocks are connected in the mounting holes in a sliding mode, and springs force the locking blocks to move towards the direction of the insertion grooves;

through the technical scheme, when the bottom supporting rod is installed, the bottom supporting rod is only required to be inserted into the insertion groove, and the locking block is pressed on the bottom supporting rod under the action of the spring, so that the bottom supporting rod is more firmly installed; when the bottom supporting rod needs to be detached, the bottom supporting rod can be separated from the inserting groove only by pulling outwards with force.

In a further technical scheme, eight cylindrical holes communicated with the water storage cavity are uniformly arranged in the disc at intervals in the circumferential direction, and through holes for communicating the bottom support rod are arranged on the side surface of each cylindrical hole and close to the lower part; a hydraulic rod is arranged at one end, far away from the water storage cavity, in the cylindrical hole, and a sealing plate matched with the cylindrical hole is arranged at the free end of the hydraulic rod; when the hydraulic rod is in an extension state, the sealing plate separates the water storage cavity from the through hole, and water in the water storage cavity cannot flow into the bottom support rod; when the hydraulic rod is in a contraction state, the water storage cavity is communicated with the through hole, and water in the water storage cavity flows into the bottom support rod through the through hole; and a wind vane device for controlling the hydraulic rod to act is also arranged on the support column.

Through the technical scheme, the hydraulic rods in the cylindrical holes are in an extended state in an initial state, the water storage cavity is separated from the through holes by the sealing plate, and water in the water storage cavity cannot flow into the bottom support rod; this folding projecting lamp support during operation, wind vane device are used for monitoring outdoor wind direction, then carry out the shrink action according to the hydraulic stem in the cylinder hole of wind direction control windward side, water storage chamber and through-hole intercommunication, the water of water storage intracavity passes through the through-hole and flows in the bottom branch, increase the weight of the bottom branch of windward side, can prevent effectively that the projecting lamp support from empting.

In a further technical scheme, the wind vane device comprises a rotating block, a wind vane and a dividing disc, wherein the rotating block is rotatably connected to the support column, and the wind vane is fixedly arranged on the rotating block and used for driving the rotating block to rotate according to the wind direction; the indexing disc is installed on the support column and located under the rotating block, a cylinder is arranged on the rotating block downwards along the vertical direction, and a ball which is in contact with the indexing disc is hinged to one end of the cylinder, which is far away from the rotating block.

Through the technical scheme, this wind vane device during operation, the wind vane drives rotatory piece and rotates under the effect of wind power, after the wind direction is stable, cylinder and the ball that is located rotatory piece below stop on the positioning disc, under time delay switch's effect, after having stopped a period, the switch on circuit, make the downthehole hydraulic stem shrink of cylinder that corresponds, the closing plate follows to remove, through-hole intercommunication water storage chamber and hollow bottom support, rivers are gone into in the bottom support, make the anti-overturning ability of whole lighting fixture obtain promoting.

In a further technical scheme, an upper annular groove is formed in the side face of the support column, and the rotating block is rotatably connected into the upper annular groove; and a lower annular groove is arranged on the side surface of the support column under the upper annular groove, and the dividing disc is arranged in the lower annular groove.

In a further technical scheme, eight fan-shaped areas respectively corresponding to the hydraulic rods are uniformly arranged on the indexing disc at intervals along the circumferential direction.

In a further technical scheme, the cylinder, the header of the wind vane and the tail of the wind vane are positioned on the same straight line, and the cylinder is arranged at the position close to the tail of the wind vane; the rotating block consists of a left rotating block and a right rotating block, and the left rotating block and the right rotating block are attracted by a magnet; the header is arranged on the left rotating block, the tail is arranged on the right rotating block, and the right rotating block is provided with a positioning hole for mounting the cylinder.

In a further technical scheme, a cylindrical cavity communicated with the water storage cavity is arranged in the support column, and a water filling port for filling water into the cylindrical cavity is arranged on the side surface of the support column; this setting is convenient to add water in water storage chamber and the cylinder cavity.

In a further technical scheme, a transparent scale area is arranged on the side surface of the support column at the position of the cylindrical cavity; this setting is convenient for observe the water storage capacity in the cylinder cavity.

In a further technical scheme, a water outlet is formed in the side surface of the bottom support rod, which is close to the bottom; the water outlet is arranged to conveniently discharge water in the bottom supporting rod when the projection lamp support is required to be stored.

(III) advantageous effects

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. the stability of the lamp bracket can be added with water to increase the weight and maintain balance, and the increased water amount can be matched according to the wind power of weather forecast.

2. In order to further keep stability, the wind vane determines the wind direction, the indexing disc is divided into eight areas and keeps consistent with the eight wind directions, the cylinder and the ball below the wind vane stop in the area of the indexing disc, the water pressure rod is connected to the position, the water pressure rod contracts the sealing plate, the through hole is communicated with the central cavity, water flows into the bottom support, the gravity center of the lamp holder moves downwards, meanwhile, the weight is added to the bottom support in the wind direction, stability is guaranteed, and the targeted weight increase is kept stable.

3. When the lamp holder needs to be moved or folded, water can be drained through the water outlet, the whole weight is reduced, and the lamp holder is convenient to move and fold.

4. The position-dividing disc, the cylindrical hole and the bottom support are arranged according to eight wind directions, and the counterweight positions correspond to the wind directions, so that the counterweight is more efficient.

5. After the whole lamp holder is drained, a plurality of parts can be detached, and the lamp holder is convenient to store and transport.

Drawings

FIG. 1 is a front cross-sectional view of a tilt-resistant projector mount;

FIG. 2 is a front cross-sectional view of an anti-tip projector mount in an operational state;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

FIG. 5 is an enlarged view at C of FIG. 2;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 2;

FIG. 7 is a cross-sectional view taken along line D-D of FIG. 2 (with one of the hydraulic rams retracted);

FIG. 8 is a front view of a projector mount to prevent tipping;

FIG. 9 is a top view of a wind vane;

fig. 10 is an enlarged view at E in fig. 5.

Reference numerals: a projector 1; a support post 2; a index plate 21; a transparent scale region 22; a water filling port 23; an upper annular groove 24; a lower annular groove 25; a water storage cavity 3; a cylindrical cavity 31; a wind vane 4; a cylinder 41; the balls 42; a header 43; a tail 44; a rotating block 45; a left rotation block 451; a right rotation block 452; positioning holes 46; a disc 5; a sealing plate 51; a hydraulic rod 52; a cylindrical bore 53; a through hole 54; a threaded post 55; a plug-in slot 56; mounting holes 57; a bottom strut 6; a water discharge port 61; a locking block 7; and a spring 8.

Detailed Description

Referring to fig. 1-10, a foldable projection lamp bracket includes a projection lamp 1, a bracket column 2, and a disc 5 having a water storage cavity 3 inside, wherein the projection lamp 1 is detachably screwed on the top of the bracket column 2, the disc 5 is detachably screwed on the bottom of the bracket column 2, and the specific structure is as follows: a section of threaded column 55 is arranged on the disc 5, and the support column 2 is detachably connected on the threaded column 55 through threads; eight detachable bottom supporting rods 6 are uniformly arranged below the disc 5 along the circumferential direction at intervals, the bottom supporting rods 6 are hollow, and openings are formed in the upper parts of the bottom supporting rods 6; thereby this projecting lamp support can be dismantled and assemble folding of the projecting lamp support of being convenient for accomodate, store the transportation according to actual need.

Eight annular insertion grooves 56 for inserting the bottom support rod 6 are uniformly arranged below the disc 5 at intervals along the circumferential direction, mounting holes 57 communicated with the insertion grooves 56 are formed in the side walls of the insertion grooves 56 along the horizontal direction, locking blocks 7 are connected in the mounting holes 57 in a sliding mode, and springs 8 are used for forcing the locking blocks 7 to move towards the insertion grooves 56; when the bottom support rod 6 is installed, the bottom support rod 6 is only required to be inserted into the insertion groove 56, and the locking block 7 is tightly pressed on the bottom support rod 6 under the action of the spring 8, so that the bottom support rod 6 is more firmly installed; when the bottom support rod 6 needs to be detached, the bottom support rod 6 can be separated from the insertion groove 56 only by pulling outwards with force.

Eight cylindrical holes 53 communicated with the water storage cavity 3 are uniformly arranged in the disc 5 at intervals in the circumferential direction, and through holes 54 for communicating the bottom support rod 6 are arranged on the side surface of each cylindrical hole 53 and close to the lower part; a hydraulic rod 52 is arranged at one end of the cylindrical hole 53 far away from the water storage cavity 3, and a sealing plate 51 matched with the cylindrical hole 53 is arranged at the free end of the hydraulic rod 52; when the hydraulic rod 52 is in an extended state, the sealing plate 51 separates the water storage cavity 3 from the through hole 54, and water in the water storage cavity 3 does not flow into the bottom strut 6; when the hydraulic rod 52 is in a contracted state, the water storage cavity 3 is communicated with the through hole 54, and water in the water storage cavity 3 flows into the bottom support rod 6 through the through hole 54; and a wind vane device for controlling the action of the hydraulic rod 52 is also arranged on the support column 2.

The wind vane device comprises a rotating block 45, a wind vane 4 and a dividing disc 21, an upper annular groove 24 is formed in the side face of the support column 2, the rotating block 45 is rotatably connected into the upper annular groove 24, and the wind vane 4 is fixedly installed on the rotating block 45 and used for driving the rotating block 45 to rotate according to the wind direction; a lower annular groove 25 is formed in the side face of the support column 2 and is arranged under the upper annular groove 24, the indexing disc 21 is installed in the lower annular groove 25, a cylinder 41 is arranged on the rotating block 45 in a downward direction along the vertical direction, and a ball 42 in contact with the indexing disc 21 is hinged to one end, far away from the rotating block 45, of the cylinder 41 in a ball joint mode. Eight sector areas corresponding to the hydraulic rods 52 are uniformly arranged on the indexing disc 21 at intervals along the circumferential direction. The cylinder 41, the header 43 of the wind vane 4 and the tail 44 of the wind vane 4 are positioned on the same straight line, and the cylinder 41 is arranged near the tail 44 of the wind vane 4; the rotating block 45 consists of a left rotating block 451 and a right rotating block 452, and the left rotating block 451 and the right rotating block 452 are attracted by a magnet; the header 43 is arranged on the left rotating block 451, the footer 44 is arranged on the right rotating block 452, and the right rotating block 452 is provided with a positioning hole 46 for installing the cylinder 41; this setting is convenient for the dismantlement and the assembly of wind vane device to make things convenient for the folding of projecting lamp support to accomodate.

Be equipped with along vertical direction in the support post 2 with the cylinder cavity 31 of 3 intercommunications in water storage chamber, be equipped with on the side of support post 2 and be used for adding water filler 23 to in the cylinder cavity 31, should set up and conveniently add water in water storage chamber 3 and the cylinder cavity 31. The side of the bracket column 2 is provided with a transparent scale area 22 at the position of the cylindrical cavity 31, and the arrangement is convenient for observing the water storage capacity in the cylindrical cavity 31. A water outlet 61 is formed in the side face of the bottom supporting rod 6, close to the bottom, and the water outlet 61 is arranged to conveniently discharge water in the bottom supporting rod 6 when the projection lamp support needs to be stored.

When the foldable projection lamp support is in an initial state, the hydraulic rods 52 positioned in the cylindrical holes 53 are all in an extended state, the sealing plate 51 separates the water storage cavity 3 from the through holes 54, and water in the water storage cavity 3 cannot flow into the bottom support rod 6; the wind vane 4 drives rotatory piece 45 and rotates under the effect of wind force, after the wind direction is stable, the cylinder 41 and the ball 42 that are located rotatory piece 45 below stop in a sector area on the positioning disc 21, under time delay switch's effect, have stayed a period of time after, the switch on circuit for the hydraulic stem 52 in the cylinder hole 53 of the windward side that corresponds contracts, and closing plate 51 is following the removal, water storage chamber 3 and through-hole 54 intercommunication, the water in the water storage chamber 3 passes through-hole 54 and flows in bottom branch 6, increases the weight of bottom branch 6 of windward side, can prevent effectively that the projecting lamp support from empting.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A foldable projection lamp support is characterized by comprising a projection lamp (1), a support column (2) and a disc (5) with a water storage cavity (3) arranged inside, wherein the projection lamp (1) is detachably and threadedly connected to the top of the support column (2), and the disc (5) is detachably and threadedly connected to the bottom of the support column (2); eight detachable bottom supporting rods (6) are uniformly arranged below the disc (5) at intervals along the circumferential direction, the bottom supporting rods (6) are hollow, and openings are formed in the upper parts of the bottom supporting rods;

eight annular insertion grooves (56) used for inserting the bottom supporting rod (6) are uniformly formed in the lower portion of the disc (5) at intervals along the circumferential direction, mounting holes (57) communicated with the insertion grooves (56) are formed in the side wall of the insertion grooves (56) along the horizontal direction, locking blocks (7) are connected in the mounting holes (57) in a sliding mode, and springs (8) forcing the locking blocks (7) to move towards the direction of the insertion grooves (56) are arranged on the side wall of the insertion grooves (56).

2. The foldable floodlight stand according to claim 1, characterized in that eight cylindrical holes (53) communicating with the water storage chamber (3) are uniformly arranged in the disc (5) at intervals in the circumferential direction, and through holes (54) for communicating with the bottom support rod (6) are arranged on the side surface of the cylindrical holes (53) near the lower part; hydraulic rods (52) are mounted at one ends, far away from the water storage cavity (3), of the cylindrical holes (53), and sealing plates (51) matched with the cylindrical holes (53) are mounted at free ends of the hydraulic rods (52); when the hydraulic rod (52) is in an extension state, the sealing plate (51) separates the water storage cavity (3) from the through hole (54), and water in the water storage cavity (3) cannot flow into the bottom support rod (6); when the hydraulic rod (52) is in a contraction state, the water storage cavity (3) is communicated with the through hole (54), and water in the water storage cavity (3) flows into the bottom support rod (6) through the through hole (54); and a wind vane device for controlling the action of the hydraulic rod (52) is also arranged on the bracket column (2).

3. The foldable projector support according to claim 2, wherein the wind vane device comprises a rotating block (45), a wind vane (4) and a indexing disc (21), the rotating block (45) is rotatably connected to the support column (2), and the wind vane (4) is fixedly installed on the rotating block (45) and used for driving the rotating block (45) to rotate according to the wind direction; the position-dividing disc (21) is installed on the support column (2) and located under the rotating block (45), a cylinder (41) is arranged on the rotating block (45) downwards along the vertical direction, and a ball (42) in contact with the position-dividing disc (21) is hinged to one end of the cylinder (41) far away from the rotating block (45).

4. The foldable floodlight stand according to claim 3, characterized in that the side of the stand column (2) is provided with an upper annular groove (24), the rotating block (45) is rotatably connected in the upper annular groove (24); a lower annular groove (25) is arranged on the side face of the support column (2) under the upper annular groove (24), and the indexing disc (21) is arranged in the lower annular groove (25).

5. The foldable floodlight stand according to claim 3, wherein eight sector areas corresponding to the hydraulic rods (52) are provided on the index plate (21) at regular intervals in a circumferential direction.

6. The foldable floodlight stand according to claim 3, characterized in that said cylinder (41), the header (43) of the wind vane (4), and the tail (44) of the wind vane (4) are located on the same line, and said cylinder (41) is arranged near said tail (44); the rotating block (45) consists of a left rotating block (451) and a right rotating block (452), and the left rotating block (451) and the right rotating block (452) are attracted by a magnet; the header (43) is arranged on the left rotating block (451), the footer (44) is arranged on the right rotating block (452), and the right rotating block (452) is provided with a positioning hole (46) for installing the cylinder (41).

7. The foldable projection lamp support according to claim 1, wherein a cylindrical cavity (31) communicated with the water storage cavity (3) is arranged in the support column (2), and a water filling port (23) for filling water into the cylindrical cavity (31) is arranged on the side surface of the support column (2).

8. The foldable floodlight stand according to claim 7, characterized in that a transparent graduated area (22) is provided on the side of the stand column (2) at the cylindrical cavity (31).

9. The foldable floodlight stand according to claim 1, characterized in that the bottom pole (6) is provided with drainage openings (61) on its sides near the bottom.