阅读说明：本技术 一种可精准控制转动角的导轨射灯 (Guide rail spotlight capable of accurately controlling rotation angle ) 是由 葛文香 于 2020-04-08 设计创作，主要内容包括：本发明公开了一种可精准控制转动角的导轨射灯,包括电源盒和灯体；电源盒设置有横向转动机构,横向转动机构连接有纵向转动机构,纵向转动机构与灯体连接；横向转动机构的横向减速步进电机驱动横向转轴转动、纵向转动机构的纵向减速步进电机通过齿轮传动驱动灯体绕环形纵向转轴转动,横向转动机构和纵向转动机构都采用了齿轮传动的设计,步进电机加上齿轮传动有效地降低了转动时的转速,提高了电机的输出力矩,使得对转动角的控制更加精确；此外,横向转轴可做360°横向转动、灯体可绕环形纵向转轴的轴心做90°纵向摆动,由此将转动角扩大至半球面,消除了转动死角。(The invention discloses a guide rail spotlight capable of accurately controlling a rotation angle, which comprises a power supply box and a lamp body, wherein the power supply box is connected with the lamp body; the power supply box is provided with a transverse rotating mechanism, the transverse rotating mechanism is connected with a longitudinal rotating mechanism, and the longitudinal rotating mechanism is connected with the lamp body; the transverse speed reducing stepping motor of the transverse rotating mechanism drives the transverse rotating shaft to rotate, the longitudinal speed reducing stepping motor of the longitudinal rotating mechanism drives the lamp body to rotate around the annular longitudinal rotating shaft through gear transmission, the transverse rotating mechanism and the longitudinal rotating mechanism both adopt the gear transmission design, the rotating speed during rotation is effectively reduced by the stepping motor and the gear transmission, the output torque of the motor is improved, and the control on the rotating angle is more accurate; in addition, the transverse rotating shaft can rotate transversely by 360 degrees, and the lamp body can longitudinally swing by 90 degrees around the axis of the annular longitudinal rotating shaft, so that the rotating angle is enlarged to a hemispherical surface, and the rotating dead angle is eliminated.)

1. A guide rail spot lamp capable of accurately controlling a rotation angle comprises a power supply box (1) and a lamp body (2); the lamp is characterized in that the power supply box (1) is provided with a transverse rotating mechanism, the transverse rotating mechanism is connected with a longitudinal rotating mechanism, and the longitudinal rotating mechanism is connected with the lamp body (2).

2. A track spotlight according to claim 1, characterized in that the transverse rotation mechanism comprises a transverse rotation shaft (3) and a transverse motor (4); one end of the transverse rotating shaft (3) is positioned in the power supply box (1) and is connected with the transverse motor (4).

3. A track spotlight according to claim 2, characterized in that the longitudinal turning mechanism comprises an annular longitudinal turning shaft (5) and a longitudinal motor (6); annular longitudinal rotating shaft (5) is connected the other end of transverse rotating shaft (3), annular longitudinal rotating shaft (5) with lamp body (2) are articulated, longitudinal motor (6) install in lamp body (2), first bevel gear (7) are installed to the output shaft of longitudinal motor (6), install in annular longitudinal rotating shaft (5) with circular arc rack (8) of first bevel gear (7) meshing.

4. A track spotlight according to claim 2, characterized in that the output shaft of the transverse motor (4) is fitted with a second bevel gear (9) and that the transverse shaft (3) is fitted with an annular gear rack (10) which meshes with the second bevel gear (9).

5. The guideway spotlight according to claim 2, characterized in that the cross section of the output rod of the transverse motor (4) is non-circular, and the transverse rotating shaft (3) is provided with a mounting hole for sleeving the output rod of the transverse motor (4).

6. A track spotlight according to claim 3, characterized in that the lamp body (2) is hinged to the annular longitudinal axis (5) by means of a connecting base (11).

7. The track spotlight according to claim 6, wherein a fixing member (12) is installed in the annular longitudinal rotating shaft (5), a limiting piece (13) is installed on the fixing member (12), and a limiting piece (14) corresponding to the limiting piece (13) is arranged on the connecting base (11).

8. A track spotlight according to claim 1, characterized in that the power supply box (1) is also mounted to the track head (15).

Technical Field

The invention relates to a lamp, in particular to a guide rail spot lamp.

Background

At present, in the use process of the LED guide rail spot lamp, the angle of a radiation beam is often adjusted according to actual needs so as to achieve a better illumination effect; however, the rotating shaft of the existing LED track spotlight has the defects of incapability of accurately controlling the rotating angle, large rotating dead angle and the like when rotating, and the requirement in the actual use process cannot be well met.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the guide rail spotlight capable of accurately controlling the rotation angle.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a guide rail spot lamp capable of accurately controlling a rotation angle comprises a power supply box and a lamp body; the power supply box is provided with a transverse rotating mechanism, the transverse rotating mechanism is connected with a longitudinal rotating mechanism, and the longitudinal rotating mechanism is hinged with the lamp body.

Preferably, the transverse rotating mechanism comprises a transverse rotating shaft and a transverse motor; one end of the transverse rotating shaft is located in the power box and connected with the transverse motor.

Preferably, the longitudinal rotating mechanism comprises an annular longitudinal rotating shaft and a longitudinal motor; the annular longitudinal rotating shaft is connected with the other end of the transverse rotating shaft, the annular longitudinal rotating shaft is hinged with the lamp body, the longitudinal motor is installed in the lamp body, a first bevel gear is installed on an output rod of the longitudinal motor, and an arc rack meshed with the first bevel gear is installed in the annular longitudinal rotating shaft.

Preferably, the output rod of the transverse motor is provided with a second bevel gear, and the transverse rotating shaft is provided with an annular rack meshed with the second bevel gear.

Preferably, the cross section of the output rod of the transverse motor is non-circular, and the transverse rotating shaft is provided with a mounting hole for sleeving the output rod of the transverse motor.

Preferably, the lamp body is hinged to the annular longitudinal rotating shaft through a connecting seat.

Preferably, a fixing piece is installed in the annular longitudinal rotating shaft, a limiting piece is installed on the fixing piece, and a limiting piece corresponding to the limiting piece is arranged on the connecting seat.

Preferably, the power supply box is also mounted to the rail head.

The invention has the beneficial effects that: the transverse speed reducing stepping motor of the transverse rotating mechanism drives the transverse rotating shaft to rotate, the longitudinal speed reducing stepping motor of the longitudinal rotating mechanism drives the lamp body to rotate around the annular longitudinal rotating shaft through gear transmission, the transverse rotating mechanism and the longitudinal rotating mechanism both adopt the gear transmission design, the rotating speed during rotation is effectively reduced by the stepping motor and the gear transmission, the output torque of the motor is improved, and the control on the rotating angle is more accurate; in addition, the transverse rotating shaft can rotate transversely by 360 degrees, and the lamp body can longitudinally swing by 90 degrees around the axis of the annular longitudinal rotating shaft, so that the rotating angle is enlarged to a hemispherical surface, and the rotating dead angle is eliminated.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is one of the exploded schematic views of the present invention;

FIG. 3 is a second exploded view of the present invention;

FIG. 4 is a cross-sectional view of the annular longitudinal shaft;

fig. 5 is a schematic structural diagram of the connecting seat.

Detailed Description

The directional or positional relationships "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are indicative of those directions or positional relationships based on the drawings and are intended to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Referring to fig. 1 to 5, a track spotlight capable of precisely controlling a rotation angle includes a power supply box 1 and a lamp body 2; the power supply box 1 is provided with a transverse rotating mechanism, the transverse rotating mechanism is connected with a longitudinal rotating mechanism, and the longitudinal rotating mechanism is hinged with the lamp body 2; the transverse rotating mechanism comprises a transverse rotating shaft 3 and a transverse motor 4; the longitudinal rotating mechanism comprises an annular longitudinal rotating shaft 5 and a longitudinal motor 6; one end of the transverse rotating shaft 3 is positioned in the power supply box 1 and is connected with the transverse motor 4, the other end of the transverse rotating shaft 3 is connected with an annular longitudinal rotating shaft 5, the annular longitudinal rotating shaft 5 is hinged with the lamp body 2, the longitudinal motor 6 is installed in the lamp body 2, an output rod of the longitudinal motor 6 is provided with a first bevel gear 7, and an arc rack 8 meshed with the first bevel gear 7 is installed in the annular longitudinal rotating shaft 5; the guide rail spot lamp also comprises an electric control PCB which can respectively control the working conditions (rotating speed and steering) of the transverse motor 4 and the longitudinal motor 6; the transverse motor 4 and the longitudinal motor 6 are both speed reduction stepping motors, the speed reduction stepping motors have the characteristics of high rotation precision and large torque, and the transverse rotating shaft 3 and the lamp body 2 driven by the stepping motors have better angle control effect when rotating; in addition, the two motors adjust the irradiation angle of the lamp body 2 to a designated position under the control of the electric control PCB, the transverse rotating shaft 3 can transversely rotate for 360 degrees, and the lamp body 2 can longitudinally swing for 90 degrees around the axis of the annular longitudinal rotating shaft 5, so that the rotating angle is enlarged to a hemispherical surface, and the rotating dead angle is eliminated; the meshing of the first bevel gears 7 with different specifications and sizes and the transmission effect realized by the arc-shaped rack 8 are different, the transmission effect can be further improved by changing the tooth number and other modes of the first bevel gears 7, in addition, the rotation speed of the rotating mechanism can also be effectively reduced through gear transmission, and the torque is convenient to increase.

A second bevel gear 9 is installed on an output rod of the transverse motor 4, and an annular rack 10 meshed with the second bevel gear 9 is installed on the transverse rotating shaft 3; the annular rack 10 is installed, so that the transverse rotating shaft 3 can realize 360-degree rotation under the driving of the transverse motor 4; the annular rack 10 can be fixed on the transverse rotating shaft 3 in a screw mounting mode, and can also be fixed on the transverse rotating shaft 3 in other assembling modes such as threaded connection and the like; horizontal motor 4 both can be fixed in power pack 1's interior bottom plate department, also can install in its inside wall or interior top surface department, only need change not unidimensional model second bevel gear 9 can, this design is nimble changeable, can distribute according to actual needs space in the power pack 1, the practicality is strong.

The spot light may also adopt another design: the cross section of the output rod of the transverse motor 4 is non-circular, and the transverse rotating shaft 3 is provided with a mounting hole for sleeving the output rod of the transverse motor 4; the connecting mode has the advantages of large transmission torque, uniform stress, small stress concentration, long service life and the like.

The lamp body 2 is hinged to the annular longitudinal rotating shaft 5 through a connecting seat 11; one end of the connecting seat 11 is annular, and the end is sleeved with the annular longitudinal rotating shaft 5; the longitudinal motor 6 may be mounted on the connecting base 11, or may be mounted at another position in the lamp body 2.

A fixing piece 12 is installed in the annular longitudinal rotating shaft 5, a limiting piece 13 is installed on the fixing piece 12, and a limiting piece 14 corresponding to the limiting piece 13 is arranged on the connecting seat 11; due to the limited length of the circular arc rack 8, the first bevel gear 7 may be separated from the circular arc rack 8 under the continuous rotation of the output rod of the longitudinal motor 6; by arranging the limiting piece 13 and the limiting piece 14, the lamp body 2 can be clamped when the arc rack 8 and the first bevel gear 7 are separated, so that the situation that the arc rack 8 is separated from the first bevel gear 7 is avoided; in addition, nylon gaskets are arranged on the upper side and the lower side of the flanging of the connecting seat 11, and the fixing piece 12 is matched with the nylon gaskets to fix the connecting seat 11 in the annular longitudinal rotating shaft 5; the fixing piece 12 is installed in the annular longitudinal rotating shaft 5 in a screw fixing mode.

The power supply box 1 is also arranged on a guide rail head 15; the guide rail head 15 facilitates the mounting of the spotlight on the guide rail more conveniently, and is simple and convenient when the position of the spotlight on the guide rail needs to be adjusted.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.