CN211875759U - Steering mechanism for a lamp - Google Patents

Abstract

The utility model relates to a steering mechanism of a lamp, which comprises an LED lamp head and a lamp frame, the lamp frame comprises a support seat and a fixing frame which are connected together by an angle adjusting device, the LED lamp head is mounted on the fixing frame, and the angle adjusting device comprises a The joint, the parent joint, the clip and the elastic piece, the child joint is installed and connected with the fixing frame, the parent joint is fixedly connected with the support base, and the child joint and the parent joint are hingedly connected together; the clip and the elastic piece are arranged between the child joint and the parent joint. In the meantime, under the action of the elastic piece, the clamping block prevents the mutual rotation of the sub-joint and the mother joint, and the clamping block is pressed to overcome the action of the elastic piece, and the sub-joint and the mother joint can rotate with each other. The advantages of the utility model are that the structure is simple and the lighting angle of the lamp can be adjusted.

Description

Steering mechanism for a lamp

technical field

The utility model relates to a steering mechanism of a lamp.

Background technique

LED stage lighting is a type of stage lighting and one of the means of stage art modeling. Using stage lighting equipment (such as lighting lamps, slides, control systems, etc.) and technical means, with the development of the plot, the light color and its changes, Display the environment, render the atmosphere, highlight the central characters, create a sense of stage space and time, shape the external image of the stage performance, and provide necessary lighting effects (such as wind, rain, clouds, water, lightning).

When the stage lighting is used, it is necessary to adjust the light and change the angle of the light according to the arrangement of the program, but the existing dimming angle equipment is inconvenient to operate, and the angle adjustment structure of the existing LED stage lights is generally a fixed structure. When adjusting, the fixing knob needs to be loosened. After adjustment, it needs to be fixed again. The adjustment steps are complicated and cannot be adjusted arbitrarily. Therefore, it is necessary to improve the existing structure.

Utility model content

The purpose of the utility model is to provide a steering mechanism capable of adjusting the lighting angle of the lamp.

To achieve the above object, the utility model adopts the following technical solutions:

A steering mechanism of a lamp, comprising an LED lamp holder and a lamp holder, the lamp holder comprises a support base and a fixing frame connected together by an angle adjusting device, the LED lamp holder is mounted on the fixing frame, and is characterized in that the angle adjusting device comprises a sub-joint , mother joint, clamping block and elastic piece, the sub-joint is installed and connected with the fixing frame, the mother joint is fixedly connected with the support base, and the sub-joint and the mother joint are hingedly connected together; the clamping block and the elastic piece are arranged between the sub-joint and the mother joint , Under the action of the elastic piece, the clamping block prevents the mutual rotation of the sub-joint and the mother joint, and the clamping block is pressed to overcome the action of the elastic piece, and the sub-joint and the mother joint can rotate with each other.

The advantages of the utility model are that the structure is simple and the lighting angle of the lamp can be adjusted.

The utility model can be improved through the following schemes:

The mother joint has 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 clamping block is opposite to the sub-joint The end faces are interconnected surfaces, and one of the interconnected surfaces is provided with a number of positioning dimples, the center of each positioning dimple falls on the same circle with the rotation center axis of the female joint as the center, and the other connecting surface At least one positioning convex point is provided corresponding to the positioning concave. When the positioning convex point falls on or leaves the positioning concave, the clamping block correspondingly prevents or allows the mutual rotation of the sub-joint and the mother-joint.

The mother joint has 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 clamping block faces the end face of the sub-joint There are several bumps on it, the center of each bump falls on the same circle with the rotation center axis of the mother joint as the center, a slot is formed between the bump and the bump; the end face of the child joint facing the clip corresponds to the slot A plurality of protruding ribs are provided, and when the protruding ribs fall on or separate from the clamping groove, the clamping block correspondingly prevents or allows the mutual rotation of the sub-joint and the mother-joint.

The clamping block is in the shape of a cup body, and the positioning dimples or clamping grooves are arranged on the bottom surface of the cup body.

The peripheral surface of the clamping block is provided with a number of convex edges, the convex edges are arranged along the axial extension of the clamping block, and the accommodating cavity is provided with a number of limiting grooves corresponding to the convex edges. , the rib falls in the limit groove.

The bottom of the accommodating cavity and the bottom of the inner cavity of the clamping block are each protruded with an axially arranged connecting column, the elastic member is a spring, and the two ends of the spring are respectively sleeved on the connecting column of the accommodating cavity and the clamping block. .

The angle adjustment device further includes a button, which is arranged on the side of the sub-joint facing away from the clamping block and can move axially along the hinge center axis of the sub-joint, and the button includes a pressing portion and an axial self-pressing portion. A pressing foot is arranged to extend outward, and the pressing foot passes through the sub-joint and abuts against the clamping block.

A connecting rod is arranged on the side of the female joint along the positive direction of one of the tangent lines, and a balance table is extended along the opposite direction of the tangent line.

The side surface of the sub-joint is provided with a connecting column along the positive direction of one of the tangent lines; the support base and the fixing frame are both U-shaped frames with two connecting parts, and the lamp has a total of two angle adjustment devices corresponding to each other. It is connected to the two connecting parts of the support base and the fixing frame.

Description of drawings

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

FIG. 2 is a schematic structural diagram of the whole disassembled state of the angle adjusting device in the embodiment.

Fig. 3 is a cross-sectional view of the angle adjusting device in the embodiment.

Detailed ways

As shown in FIG. 1 to FIG. 3, a steering mechanism of a lamp includes an LED lamp head 1 and a lamp frame 2. The lamp frame 2 includes a support base 4 and a fixing frame 5 connected together by an angle adjustment device 3. The LED lamp The lamp cap 1 is mounted on the fixing frame 5 .

The angle adjustment device 3 includes a sub-joint 31, a female joint 32, a clamping block 33 and an elastic member 34. The sub-joint 31 is installed and connected to the fixing frame 5, the female joint 32 is fixedly connected to the support base 4, and the sub-joint 31 and the female joint 32 are hingedly connected together; the blocking block 33 and the elastic piece 34 are arranged between the sub-joint 31 and the parent joint 32. Under the action of the elastic piece 34, the blocking block 33 prevents the mutual rotation of the sub-joint 31 and the parent joint 32, and the blocking block 33 is pressed to Overcoming the action of the elastic member 34, the sub-joint 31 and the female joint 32 can rotate with each other. Therefore, the angle adjustment device 3 can adjust the angle of the LED stage light at will, and the operation is convenient.

The female joint 32 has an accommodating cavity 321 , and the clamping block 33 is arranged in the accommodating cavity 321 and can move along the axial direction of the accommodating cavity 321 , and the elastic member 34 is arranged between the bottom of the accommodating cavity 321 and the clamping block 33 The end face of the block 33 and the sub-joint 31 facing each other is an interconnecting surface 6, and a connecting surface 61 in the interconnecting surface 6 is provided with a number of positioning pockets 611, and the center of each positioning pocket 611 falls on the female joint 32 At least one positioning bump 621 is set on the other connecting surface 62 corresponding to the positioning recess 611 on the same circumference as the center of rotation. When the positioning bump 621 falls on or leaves the positioning recess 611, the locking block 33 Mutual rotation of the child joint 31 and the parent joint 32 is prevented or allowed.

Of course, a more convenient way to manufacture is that the female joint 32 has an accommodating cavity 321 in which the clamping block 33 is disposed and can move along the axial direction of the accommodating cavity 321, and the elastic member 34 is disposed in the accommodating cavity 321. Between the bottom of the cavity 321 and the clamping block 33; the end surface of the clamping block 33 facing the sub-joint 31 is provided with a plurality of bumps 331, and the center of each bump 331 falls on the same circle with the rotation center axis of the mother joint 32 as the center of the circle A slot 332 is formed between the bump 331 and the bump 331; the end face of the sub-joint 31 facing the slot 33 is provided with a number of protruding ribs 311 corresponding to the slot 332. The blocking blocks 33 correspondingly prevent or allow the mutual rotation of the sub-joint 31 and the female joint 32 .

More specifically, the clamping block 33 is in the shape of a cup body, and the positioning recess 611 or the clamping groove 332 is provided on the bottom surface of the cup body. The peripheral surface of the clamping block 33 is provided with a plurality of convex ribs 333, and the convex ribs 333 are arranged along the axial direction of the clamping block 33. The accommodating cavity 321 is provided with a plurality of limiting grooves 321a corresponding to the convex ribs 333. When the 33 is disposed in the accommodating cavity 321 , the protruding rib 333 falls into the limiting groove 321 a to fix the locking block 33 in the accommodating cavity 321 in the circumferential direction.

The bottom of the accommodating cavity 321 and the bottom of the inner cavity of the clamping block 33 are respectively protruded with axially arranged connecting columns 35 , the elastic member 34 is a spring, and the two ends of the spring 34 are respectively sleeved on the accommodating cavity 321 and 33 . on the connecting column 35 of the clamping block 33 .

The angle adjustment device 3 further includes a button 36 , the button 36 is disposed on the side of the sub-joint 31 facing away from the clamping block 33 and can move axially along the hinge center axis of the sub-joint 31 , and the button 36 includes pressing The portion 361 and the pressing portion 361 are provided with pressing feet 362 extending axially outward. The action on the card block 33 can be realized by operating the button 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. In order to enhance the overall balance ability of the support base 4, the side of the female joint 32 is extended along the opposite direction of the tangent. A balance table is provided 323.

The side surface of the sub-joint 31 is provided with a connecting column 312 along the positive direction of one of the tangent lines; the support base 4 and the fixing frame 5 are both U-shaped frames with two connecting parts, and the lamp has two angles in total The adjusting device 3 is respectively connected to the two connecting parts of the support base 4 and the fixing frame 5 . Therefore, the above can better realize that the angle adjusting device 3 can adjust the angle of the LED stage light at will and make the angle adjustment of the LED flood light more stable.

The above-mentioned embodiments are the 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 all The replacement modes that are equivalent are all included in the protection scope of the present invention.

Claims (10)

1. A steering mechanism for a lamp, comprising an LED lamp holder and a lamp holder, the lamp holder comprises a support base and a fixing frame connected together by an angle adjusting device, and the LED lamp holder is mounted on the fixing frame, wherein the angle adjusting device comprises The child joint, the parent joint, the clamping block and the elastic piece, the child joint is installed and connected with the fixing frame, the parent joint is fixedly connected with the support base, and the child joint and the parent joint are hingedly connected together; the clamping block and the elastic piece are arranged on the child joint and the parent joint In between, under the action of the elastic piece, the clamping block prevents the mutual rotation of the sub-joint and the mother joint, and the clamping block is pressed to overcome the action of the elastic piece, and the sub-joint and the mother joint can rotate with each other. 2 . The steering mechanism of a lamp according to claim 1 , wherein the female joint has 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 member It is arranged between the bottom of the accommodating cavity and the clamping block; the end face of the clamping block and the sub-joint facing each other is an interconnecting surface, and one of the interconnecting surfaces is provided with a number of positioning dimples, and the center of each positioning dimple falls. On the same circle with the rotation center axis of the female joint as the center, at least one positioning convex point is set on the other connecting surface corresponding to the positioning concave. Mutual rotation of the child and parent joints is allowed. 3 . The steering mechanism of a lamp according to claim 1 , wherein the female joint has 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 member It is arranged between the bottom of the accommodating cavity and the clamping block; the end face of the clamping block facing the sub-joint is provided with a number of bumps, and the center of each bump falls on the same circle with the rotation center axis of the mother joint as the center. A card slot is formed between the sub-joint and the protruding block; the end face of the sub-joint facing the retaining block is provided with a number of protruding ribs corresponding to the retaining slot. When the protruding rib falls on or leaves the retaining slot, the retaining block correspondingly prevents or allows the sub-joint and the female joint to interact with each other. turn. 4 . The steering mechanism of a lamp according to claim 2 , wherein the locking block is in the shape of a cup body, and the positioning recess is provided on the bottom surface of the cup body. 5 . 5 . The steering mechanism of a lamp according to claim 3 , wherein the clamping block is in the shape of a cup body, and the clamping groove is arranged on the bottom surface of the cup body. 6 . 6 . The steering mechanism of a lamp according to claim 4 or claim 5 , wherein the peripheral surface of the clamping block is provided with a plurality of protruding ribs, and the protruding ribs are along the axial direction of the clamping block. 7 . Extending arrangement, the accommodating cavity is provided with a plurality of limiting grooves corresponding to the protruding edges, and when the clamping block is arranged in the accommodating cavity, the protruding edges fall into the limiting grooves. 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 clamping block are each protruded with an axially arranged connecting column. 8 . The elastic member is a spring, and the two ends of the spring are respectively sleeved on the connecting column of the accommodating cavity and the clamping block. 8 . The steering mechanism of a lamp according to claim 4 or claim 5 , wherein the angle adjustment device further comprises a button, and the button is arranged on the side of the sub-joint facing away from the clamping block. 9 . The button can move axially along the hinge central axis of the sub-joint. The button includes a pressing portion and a pressing foot extending axially outward from the pressing portion. 9 . The steering mechanism of a lamp according to claim 4 or claim 5 , wherein a connecting rod is provided on the side of the female joint along the positive direction of one of the tangent lines, and along the positive direction of one of the tangent lines. A balance stage is extended in the opposite direction of the tangent. 10 . The steering mechanism of a lamp according to claim 9 , wherein the side surface of the sub-joint is provided with a connecting column along the positive direction of one of the tangent lines; the support base and the fixing frame both have two A U-shaped frame with a connecting portion, the lamp has a total of two angle adjusting devices respectively connected to the two connecting portions of the support base and the fixing frame.

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