CN211875759U

CN211875759U - Steering mechanism of lamp

Info

Publication number: CN211875759U
Application number: CN202020123748.1U
Authority: CN
Inventors: 梁飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-11-06
Anticipated expiration: 2030-01-19

Abstract

The utility model relates to a steering mechanism of a lamp, which comprises a LED lamp holder and a lamp bracket, wherein the lamp bracket comprises a supporting seat and a fixed bracket which are connected together through an angle adjusting device; the clamping block and the elastic piece are arranged between the child joint and the mother joint, the clamping block prevents the child joint and the mother joint from rotating mutually under the action of the elastic piece, the clamping block is pressed to overcome the action of the elastic piece, and the child joint and the mother joint can rotate mutually. The utility model has the advantages of simple structure just can adjust lamps and lanterns illumination angle.

Description

Steering mechanism of lamp

Technical Field

The utility model relates to a steering mechanism of lamps and lanterns.

Background

The LED stage lamp is one of stage lamps, is one of stage art modeling means, applies stage lighting equipment (such as lighting lamps, slide projectors, control systems and the like) and technical means, displays the environment and the rendering atmosphere by light color and change thereof along with the development of a plot, highlights central characters, creates the space sense and the time sense of the stage, shapes the external image of stage performance, and provides necessary lighting effects (such as wind, rain, clouds, water and lightning).

When the stage lighting is used for lighting, the lighting needs to be adjusted, the angle of the lighting is changed according to the arrangement of programs, but the operation of the existing lighting angle adjusting device is inconvenient, the angle adjusting structure of the existing LED stage lighting is generally a fixed structure, a fixed knob needs to be loosened during adjustment, the lighting angle adjusting device needs to be fixed again after adjustment, the adjusting step is complex, and the adjustment cannot be carried out at will, so that the existing structure has the need of improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can adjust steering mechanism of lamps and lanterns illumination angle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steering mechanism of a lamp comprises an LED lamp holder and a lamp holder, wherein the lamp holder comprises a supporting seat and a fixing frame which are connected together through an angle adjusting device; the clamping block and the elastic piece are arranged between the child joint and the mother joint, the clamping block prevents the child joint and the mother joint from rotating mutually under the action of the elastic piece, the clamping block is pressed to overcome the action of the elastic piece, and the child joint and the mother joint can rotate mutually.

The utility model has the advantages of simple structure just can adjust lamps and lanterns illumination angle.

The utility model discloses the accessible improves with following scheme:

the female joint is provided with an accommodating cavity, the clamping block is arranged in the accommodating cavity and can move along the axial direction of the accommodating cavity, and the elastic piece is arranged between the bottom of the accommodating cavity and the clamping block; the end surfaces of the fixture block, which are opposite to the secondary joint, are mutually connected surfaces, one of the mutually connected surfaces is provided with a plurality of positioning concave grooves, the centers of the positioning concave grooves are positioned on the same circumference taking the rotating central shaft of the primary joint as the circle center, the other connected surface is provided with at least one positioning convex point corresponding to the positioning concave grooves, and when the positioning convex points are positioned on or separated from the positioning concave grooves, the fixture block correspondingly prevents or allows the secondary joint and the primary joint to rotate mutually.

The female joint is provided with an accommodating cavity, the clamping block is arranged in the accommodating cavity and can move along the axial direction of the accommodating cavity, and the elastic piece is arranged between the bottom of the accommodating cavity and the clamping block; the end surface of the clamping block facing the sub joint is provided with a plurality of convex blocks, the centers of the convex blocks are positioned on the same circumference which takes the rotating central shaft of the female joint as the circle center, and clamping grooves are formed between the convex blocks and the convex blocks; the end face of the sub-joint facing the clamping block is provided with a plurality of convex ribs corresponding to the clamping grooves, and when the convex ribs fall on or are separated from the clamping grooves, the clamping block correspondingly prevents or allows the sub-joint and the female joint to rotate mutually.

The fixture block is cup-shaped, and the positioning concave slot or the clamping slot is arranged on the bottom surface of the cup body.

The peripheral face of the fixture block is provided with a plurality of convex edges, the convex edges are arranged along the axial extension of the fixture block, the accommodating cavity is provided with a plurality of limiting grooves corresponding to the convex edges, and when the fixture block is arranged in the accommodating cavity, the convex edges fall into the limiting grooves.

The bottom of the accommodating cavity and the bottom of the inner cavity of the fixture block are respectively convexly provided with connecting columns which are axially arranged, the elastic part is a spring, and two ends of the spring are respectively sleeved on the connecting columns of the accommodating cavity and the fixture block.

The angle adjusting device further comprises a key, the key is arranged on one side, back to the fixture block, of the sub joint and can axially move along a hinge central shaft of the sub joint, the key comprises a pressing portion and a pressing foot extending outwards from the axial direction of the pressing portion, and the pressing foot penetrates through the sub joint piece and abuts against the fixture block.

The side of the female joint is provided with a connecting rod along the positive direction of one of the tangents, and a balance table is arranged along the opposite direction of the tangent in an extending manner.

The side surface of the sub joint is provided with a connecting column along the positive direction of one tangent line; the supporting seat and the fixing frame are U-shaped frames with two connecting portions, and the lamp is provided with two angle adjusting devices which are respectively and correspondingly connected to the two connecting portions of the supporting seat and the fixing frame.

Drawings

FIG. 1 is a schematic diagram of an overall three-dimensional state structure of an LED stage lamp in the embodiment.

Fig. 2 is a structural schematic diagram of the angle adjusting device in an overall exploded state in the embodiment.

Fig. 3 is a sectional view of the angle adjusting means in the embodiment.

Detailed Description

The steering mechanism of the lamp shown in the attached drawings 1 to 3 comprises an LED lamp holder 1 and a lamp holder 2, wherein the lamp holder 2 comprises a supporting seat 4 and a fixing frame 5 which are connected together through an angle adjusting device 3, and the LED lamp holder 1 is arranged on the fixing frame 5.

The angle adjusting device 3 comprises a sub joint 31, a mother joint 32, a clamping block 33 and an elastic piece 34, the sub joint 31 is connected with the fixing frame 5 in an installing way, the mother joint 32 is fixedly connected with the supporting seat 4, and the sub joint 31 is hinged with the mother joint 32; the latch 33 and the elastic element 34 are arranged between the sub-joint 31 and the female joint 32, the latch 33 prevents the sub-joint 31 and the female joint 32 from rotating mutually under the action of the elastic element 34, and the sub-joint 31 and the female joint 32 can rotate mutually by pressing the latch 33 to overcome the action of the elastic element 34. Therefore, the angle adjusting device 3 can adjust the angle of the LED stage lamp at will, and the operation is convenient.

The female joint 32 has a receiving cavity 321, the latch 33 is disposed in the receiving cavity 321 and can move along the axial direction of the receiving cavity 321, and the elastic element 34 is disposed between the bottom of the receiving cavity 321 and the latch 33; the end surface of the fixture block 33 opposite to the sub-joint 31 is an interconnecting surface 6, one interconnecting surface 61 of the interconnecting surface 6 is provided with a plurality of positioning recesses 611, the center of each positioning recess 611 is located on the same circumference with the rotation center axis of the main joint 32 as the center of a circle, the other interconnecting surface 62 is provided with at least one positioning salient point 621 corresponding to the positioning recess 611, and when the positioning salient point 621 is located on or separated from the positioning recess 611, the fixture block 33 correspondingly prevents or allows the sub-joint 31 and the main joint 32 from rotating with each other.

Of course, a more convenient way to manufacture is that the female joint 32 has a receiving cavity 321, the latch 33 is disposed in the receiving cavity 321 and can move along the axial direction of the receiving cavity 321, and the elastic element 34 is disposed between the bottom of the receiving cavity 321 and the latch 33; a plurality of convex blocks 331 are arranged on the end surface of the clamping block 33 facing the sub-joint 31, the centers of the convex blocks 331 fall on the same circumference with the rotation central axis of the female joint 32 as the center of a circle, and a clamping groove 332 is formed between the convex blocks 331 and the convex blocks 331; the end surface of the sub-joint 31 facing the latch 33 is provided with a plurality of ribs 311 corresponding to the latch grooves 332, and when the ribs 311 fall on or fall off the latch grooves 332, the latch 33 correspondingly prevents or allows the sub-joint 31 and the female joint 32 to rotate relative to each other.

More specifically, the latch 33 is in a cup shape, and the positioning recess 611 or the latch groove 332 is disposed on a bottom surface of the cup. The circumferential surface of the fixture block 33 is provided with a plurality of ribs 333, the ribs 333 extend along the axial direction of the fixture block 33, the accommodating cavity 321 is provided with a plurality of limiting grooves 321a corresponding to the ribs 333, and when the fixture block 33 is arranged in the accommodating cavity 321, the ribs 333 fall into the limiting grooves 321a so as to circumferentially fix the fixture block 33 in the accommodating cavity 321.

The bottom of the accommodating cavity 321 and the bottom of the inner cavity of the fixture block 33 are respectively convexly provided with a connecting column 35 which is axially arranged, the elastic piece 34 is a spring, and two ends of the spring 34 are respectively sleeved on the connecting columns 35 of the accommodating cavity 321 and the fixture block 33.

The angle adjusting device 3 further comprises a key 36, the key 36 is disposed on a side of the sub-joint 31 facing away from the fixture block 33 and can axially move along a hinge central axis of the sub-joint 31, the key 36 comprises a pressing portion 361 and a pressing foot 362 axially extending outward from the pressing portion 361, and the pressing foot 362 penetrates through the sub-joint 31 and abuts against the fixture block 33. The operation of the latch 33 is realized by operating the key 36.

The side of the female joint 32 is provided with a connecting rod 322 along the positive direction of one of the tangent lines, and in order to enhance the overall balance capability of the support seat 4, the side of the female joint 32 is provided with a balance platform 323 extending along the opposite direction of the tangent line.

The connecting column 312 is arranged on the side surface of the sub-joint 31 along the positive direction of one of the tangent lines; the supporting seat 4 and the fixing frame 5 are both U-shaped frames with two connecting portions, and the lamp is provided with two angle adjusting devices 3 which are respectively and correspondingly connected to the two connecting portions of the supporting seat 4 and the fixing frame 5. Therefore, above can realize better angle adjusting device 3 can adjust LED stage lamp angle at will and make LED projecting lamp angle more steady when adjusting.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.

Claims

1. A steering mechanism of a lamp comprises an LED lamp holder and a lamp holder, wherein the lamp holder comprises a supporting seat and a fixing frame which are connected together through an angle adjusting device; the clamping block and the elastic piece are arranged between the child joint and the mother joint, the clamping block prevents the child joint and the mother joint from rotating mutually under the action of the elastic piece, the clamping block is pressed to overcome the action of the elastic piece, and the child joint and the mother joint can rotate mutually.

2. The steering mechanism of a lamp according to claim 1, wherein the female joint has an accommodating cavity, the latch is disposed in the accommodating cavity and is movable in an axial direction of the accommodating cavity, and the elastic member is disposed between a bottom of the accommodating cavity and the latch; the end surfaces of the fixture block, which are opposite to the secondary joint, are mutually connected surfaces, one of the mutually connected surfaces is provided with a plurality of positioning concave grooves, the centers of the positioning concave grooves are positioned on the same circumference taking the rotating central shaft of the primary joint as the circle center, the other connected surface is provided with at least one positioning convex point corresponding to the positioning concave grooves, and when the positioning convex points are positioned on or separated from the positioning concave grooves, the fixture block correspondingly prevents or allows the secondary joint and the primary joint to rotate mutually.

3. The steering mechanism of a lamp according to claim 1, wherein the female joint has an accommodating cavity, the latch is disposed in the accommodating cavity and is movable in an axial direction of the accommodating cavity, and the elastic member is disposed between a bottom of the accommodating cavity and the latch; the end surface of the clamping block facing the sub joint is provided with a plurality of convex blocks, the centers of the convex blocks are positioned on the same circumference which takes the rotating central shaft of the female joint as the circle center, and clamping grooves are formed between the convex blocks and the convex blocks; the end face of the sub-joint facing the clamping block is provided with a plurality of convex ribs corresponding to the clamping grooves, and when the convex ribs fall on or are separated from the clamping grooves, the clamping block correspondingly prevents or allows the sub-joint and the female joint to rotate mutually.

4. The steering mechanism of claim 2, wherein the latch is in the form of a cup, and the positioning recess is formed in a bottom surface of the cup.

5. The steering mechanism of claim 3, wherein the latch is in the shape of a cup, and the slot is disposed on the bottom surface of the cup.

6. The device as claimed in claim 4 or 5, wherein the fixture block has a plurality of ribs extending along the axial direction of the fixture block, the receiving cavity has a plurality of retaining grooves corresponding to the ribs, and the ribs are disposed in the retaining grooves when the fixture block is disposed in the receiving cavity.

7. The steering mechanism of a lamp according to claim 4 or claim 5, wherein the bottom of the accommodating cavity and the bottom of the inner cavity of the fixture block are respectively provided with an axially disposed connecting post in a protruding manner, the elastic member is a spring, and two ends of the spring are respectively sleeved on the connecting posts of the accommodating cavity and the fixture block.

8. The steering mechanism of a lamp as claimed in claim 4 or claim 5, wherein the angle adjusting device further comprises a button, the button is disposed on a side of the sub-joint facing away from the block and is axially movable along a central hinge axis of the sub-joint, the button comprises a pressing portion and a pressing foot extending axially outward from the pressing portion, and the pressing foot passes through the sub-joint member and abuts against the block.

9. A steering mechanism for a lamp according to claim 4 or claim 5, wherein the lateral surface of the female joint is provided with a connecting rod extending in a forward direction along one of the tangential lines and a balance block extending in a reverse direction along the tangential line.

10. The steering mechanism of a lamp as claimed in claim 9, wherein the lateral surface of the sub-joint is provided with a connecting column along the positive direction of one of the tangential lines; the supporting seat and the fixing frame are U-shaped frames with two connecting portions, and the lamp is provided with two angle adjusting devices which are respectively and correspondingly connected to the two connecting portions of the supporting seat and the fixing frame.