WO2011050686A1

WO2011050686A1 - Fixing device for embedded lamp

Info

Publication number: WO2011050686A1
Application number: PCT/CN2010/077929
Authority: WO
Inventors: 武良举
Original assignee: Wu Liangju
Priority date: 2009-10-26
Filing date: 2010-10-20
Publication date: 2011-05-05
Also published as: CN201606827U

Abstract

A fixing device for an embedded lamp comprises an elastic mechanism for fixing the lamp (5). The elastic mechanism comprises an elastic part (51) mounted on a lateral wall of the lamp (5), a mounting arm (52) capable of swing, and a resistor mounted on a lateral wall of the lamp (5). The resistor comprises an outer shell (1), a rotation shaft (2), and an oil sealing cover (3). A base part (21) of the rotation shaft (2) is located inside the outer shell (1). One end of the elastic part (51) of the elastic mechanism is fixedly connected with the rotation shaft (2). Damping oil is filled between interfaces of the rotation shaft (2) and the outer shell (1). The oil sealing cover (3) is arranged at an opening of the outer shell (1). The fixing device can make the embedded lamp (5) be conveniently placed into a mounting opening, and the mounting efficiency and the safety performance are improved.

Description

Fixing device for recessed luminaire

[Technical Field]

The utility model relates to a lamp, in particular to a built-in lamp mounted on a ceiling and furniture.

【Background technique】

Embedded lighting is generally used in modern interior design or home lighting, office lighting and other occasions. The existing embedded luminaires are generally fixed in the openings of the ceiling or furniture by springs. If the springs are insufficient, it is difficult to fix the luminaires. Therefore, the existing springs are usually more elastic and need to be installed by the installer. Press the spring upwards to the storage state, then insert the lamp into the opening, carefully release the palm, and the lamp is pressed against the ceiling under the force of the spring. The installation is time-consuming and laborious, the operation is very inconvenient, and the spring is easy to generate. Bouncing and rebounding is very large and causing injury, or the lamp pinches the finger during the process of the spring under the force of the spring, and the corners or burrs of the plate in the opening are likely to scratch the installer's hand, in addition, powerful The resilience of the spring causes the spring to have a large impact on the luminaire, which will cause some damage to the ceiling and produce a loud sound. Such installation structure is extremely inefficient and dangerous.

Therefore, it is necessary to provide a recessed luminaire that meets high safety, convenient operation, and high installation efficiency.

[Summary of the Invention]

The purpose of the utility model is to provide a fixing device for a built-in lamp with high safety, convenient operation and high installation efficiency.

In order to achieve the object of the present invention, the following technical solutions are provided:
A fixing device for a built-in luminaire is provided, comprising an elastic mechanism for fixing a luminaire, the elastic mechanism comprising an elastic portion mounted on a side wall of the luminaire, a swingable mounting arm, and a resistance device mounted on the side wall of the luminaire The resistor includes a housing and a rotating shaft. The base of the rotating shaft is disposed in the housing. One end of the elastic portion of the elastic mechanism is fixedly coupled to the rotating shaft, and a damping oil is disposed between the rotating shaft and the contact surface of the housing, which further includes An oil seal cap that is placed at the opening of the casing. When installing the luminaire, the mounting arm of the elastic mechanism is driven into a accommodating state against the spring force and the damping effect. After installing the luminaire into the ceiling opening, the mounting arm is loosened, and the mounting arm is opened under the elastic force of the elastic mechanism, but is simultaneously damped. The reverse resistance of the oil, the mounting arm will move gently, thus avoiding the strong rebound caused by the excessive elastic force. The mounting arm is opened and supported on the rear surface of the ceiling, and the panel of the lamp is closely attached to the front surface of the ceiling to realize the elastic mechanism. Fixed installation.

The rotating shaft includes a base portion and a shaft portion. The base portion of the outer casing is mounted in a rotating fan blade shape. The inner wall of the outer casing is provided with a plurality of flanges in the axial direction, and the outer circumference of the base portion of the rotating shaft is interference-fitted with the flange. And a circular arc is provided at both ends of the flange section, and the blade shape of the section of the blade-shaped base may be composed of straight sides. The best embodiment is that the blade shape of the section is composed of two curved sides. That is, the outer periphery of the blade-shaped base is also provided with a curved surface which cooperates with the circular arc of the flange. When the blade-shaped base rotates in one direction, the resistance of the damping oil is small, and the resistance of the flange to the base is also small; when the blade-shaped base rotates in the opposite direction, the resistance of the damping oil is large, and the resistance of the flange to the base is also Big.

The shaft portion of the rotating shaft is an elastic portion for connecting the elastic mechanism. The shaft portion of the rotating shaft has a square cross section, and the shaft portion is provided with an axial through hole for facilitating fixing of the elastic portion of the elastic mechanism. The fixing device further includes a connecting sleeve fixedly connected to the outer casing, and one end of the elastic portion of the elastic mechanism is fixed on the connecting sleeve, and the connecting sleeve is further provided with a limiting groove for fixing one end of the elastic portion.

In order to closely match the oil cap and the outer casing, a rubber ring may be added therebetween.

The fixing device further includes a limiting mechanism for accommodating and positioning the mounting arm of the elastic mechanism, and a trigger mechanism capable of releasing the limit of the mounting arm and triggering the opening of the mounting arm. And further comprising a safety mechanism for reinforcing the storage arm of the elastic mechanism before the installation. There are various implementations of the limit mechanism, the trigger mechanism and the safety mechanism, and there are specific implementation plans in Chinese Patent 200820129783.3. The triggering mechanism includes a triggering block, and the limiting mechanism can be implemented by a positioning structure that is respectively disposed on the elastic portion of the triggering block and the elastic mechanism to prevent the elastic mechanism from rotating. The safety mechanism reinforces the mounting arm of the elastic mechanism before being stored.

The trigger mechanism can adopt the principle of swinging rod, the swinging rod is connected with the side wall of the lamp, and the swinging point is realized by the pivot point of the joint, one end of the swinging rod is in contact with the mounting arm of the elastic mechanism, the mounting arm is received by the limiting mechanism, and the mounting arm is paired with the swinging rod The pressure at one end causes the free end of the other end of the swinging rod to open outwardly, and when the outward free end is pressed by the external force, the other end acts on the mounting arm, thereby triggering it to disengage from the limit mechanism.

The triggering mechanism can also adopt a technical solution in which the limiting mechanism and the triggering mechanism are integrated, which is a hook rod mounted on the side wall of the lamp, and swings through a pivot point at the joint, and the hook bar has a zigzag limit at one end. The position hook is used to hook the mounting arm to the storage position, and the other end is a free end that swings in the same direction as the zigzag limit hook.

The safety mechanism can be implemented in a variety of ways, such as with a swingable inline or zigzag stop lever; or with a mating U-shaped plate and stop plate; or a safety mechanism with elastic forceps and on the side wall of the lamp A locking lever with a locking hole is arranged above the spring mounting arm, and the elastic clamp clamps the mounting arm and the locking lever, and the elastic forceps can be released by an external force.

Compared with the prior art, the utility model has the following advantages:
The structure of the fixing device adopted by the utility model can make the installation arm slowly open, solves the damage of the spring when the spring restoring force is too large, and the installation arm of the lamp is damaged, and the embedded lamp can be conveniently installed. The hole has high safety, convenient operation and high installation efficiency.

[Description of the Drawings]
Figure 1 is a perspective view of a resistance device of the fixing device of the present invention;
Figure 2 is a top view of the resistance device of the fixing device of the present invention;
Figure 3 is a cross-sectional view of Figure 2 in the BB direction;
Figure 4 is a cross-sectional view showing the overall structure of the resistor;
Figure 5 is a plan view of the outer casing of the resistor;
Figure 6 is a front elevational view of the fixture of the present invention applied to the luminaire;
Figure 7 is a side elevational view of the fixture of the present invention applied to a luminaire.

【detailed description】

Referring to FIG. 6 and FIG. 7, the fixing device of the embedded lamp of the present invention comprises an elastic mechanism for fixing the lamp, the elastic mechanism comprising an elastic portion 51 mounted on the side wall of the lamp 5, a swingable mounting arm 52, and Referring to Figures 1, 2, and 4, the resistance device includes a housing 1, a rotating shaft 2, and an oil sealing cover 3, the rotating shaft including a base portion 21 and a shaft portion 22, the rotation The base portion 21 of the shaft is disposed in the outer casing 1. One end of the elastic portion 51 of the elastic mechanism is fixedly connected with the rotating shaft 2, and the lubricating oil between the rotating shaft 2 and the outer surface of the outer casing 1 is provided with damping oil. Rotating the opening of the shaft 2 allows the shaft portion 22 of the rotating shaft to protrude therefrom, and no gap is left between the shaft portion 22 and the intermediate opening of the oil seal cap 3. In order to enhance the damping oil sealing effect, an apron 31 can be added between the sealing oil cover and the outer casing. A connecting sleeve 4 is further disposed outside the sealing oil cover 3 for fixing the elastic portion of the elastic mechanism.

When installing the luminaire, the mounting arm of the elastic mechanism is driven into a accommodating state against the spring force and the damping effect. After installing the luminaire into the ceiling opening, the mounting arm is loosened, and the mounting arm is opened under the elastic force of the elastic mechanism, but is simultaneously damped. The reverse resistance of the oil, the mounting arm will move gently, thus avoiding the strong rebound caused by excessive elastic force.

Referring to FIGS. 3 and 5, the base portion 21 of the rotating shaft 2 mounted in the outer casing has a sectional shape of a rotating blade, and the space 23 between the base portion 21 of the rotating shaft 2 and the outer casing 1 is filled with damping oil. As shown in FIG. 3, the direction of rotation of the blade is clockwise, and both sides of the blade are curved, so that the outer peripheral edge of the base 21 is a curved surface. A plurality of flanges 11 are disposed on the inner wall of the outer casing 1 in the axial direction, and an outer circumference of the rotating shaft base portion 21 is interference-fitted with the flange 11, and an arc of the flange 11 is provided at both ends of the cross section, and the arc and the base of the flange are The curved surface of 21 matches. When the blade-shaped base portion 21 is rotated in the clockwise direction, the resistance of the frictional resistance and the damping oil is large; when the blade-shaped base portion is rotated in the counterclockwise direction, the resistance of the frictional resistance and the damping oil is small. Therefore, during the process of moving the mounting arm up to the storage state, the resistance of the resistance to the mounting arm is small, and during the opening of the mounting arm, the resistance of the resistance to the mounting arm is large, and the excessively strong spring is well buffered. force.

The shaft portion 22 of the rotating shaft is an elastic portion for connecting the elastic mechanism. The shaft portion of the rotating shaft has a square cross section, and the shaft portion is provided with an axial through hole 25 for facilitating fixing of the elastic portion of the elastic mechanism. One end of the elastic portion of the elastic mechanism is fixed on the connecting sleeve 4, and the connecting sleeve 4 is further provided with a limiting slot 41 for fixing one end of the elastic portion.

The bottom end of the base portion 21 of the rotating shaft is provided with a step 24, and a groove 12 is correspondingly provided at the bottom of the outer casing 1 to facilitate positioning between the rotating shaft and the outer casing 1, as shown in FIGS. 4 and 5.

Referring to FIGS. 6 and 7, the fixing device mounted on the recessed luminaire 5 further includes a limiting mechanism for accommodating and positioning the mounting arm of the elastic mechanism, and releasing the limit of the mounting arm and triggering the mounting arm Open trigger mechanism. In this embodiment, the limiting mechanism and the triggering mechanism are integrated, and the hooking rod is mounted on the side wall of the lamp, and the swinging point is realized by the pivot point of the connecting portion, and the end of the hooking bar is a zigzag-shaped limit hook 54. The limit function is used for hooking the mounting arm to the storage position, and the other end is a free end 53 for triggering action, pressing the free end 53 of the hook rod, and swinging the hook rod to open the limit hook 54 to release the installation The arm is limited, and the mounting arm 52 is opened by the elastic force of the elastic portion 51, but the mounting arm 52 can be slowly opened due to the reverse damping of the elastic portion 51 by the resistance.

The above description is only a preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto, and any equivalent transformation based on the technical solutions of the present invention is within the protection scope of the present invention.

Claims

A fixture for a recessed luminaire comprising an elastic mechanism for securing a luminaire, the resilient mechanism comprising a resilient portion mounted on a sidewall of the luminaire, and a swingable mounting arm, further characterized in that it further comprises a luminaire mounted a resistance device on the side wall, the resistance device including a housing and a rotating shaft, the rotating shaft including a base portion and a shaft portion, the base portion being disposed in the outer casing, and one end of the elastic portion of the elastic mechanism is coupled to the shaft portion of the rotating shaft, the rotating shaft There is a damping oil between the contact faces of the outer casing, which further includes an oil seal cap disposed at the opening of the outer casing.
The fixture for a recessed luminaire according to claim 1, wherein the base of the rotating shaft has a fan-shaped cross section.
The fixture for a recessed luminaire according to claim 2, wherein the inner wall of the outer casing is provided with a plurality of flanges in the axial direction.
The fixture for a recessed luminaire according to claim 1, further comprising a connecting sleeve fixedly coupled to the outer casing, wherein the elastic portion of the elastic mechanism is fixed at one end to the connecting sleeve.
The fixing device for a recessed luminaire according to claim 4, wherein the connecting sleeve is further provided with a limiting slot.
The fixture for a recessed luminaire according to claim 1, further comprising a limiting mechanism for accommodating and positioning the mounting arm of the elastic mechanism, and releasing the limit of the mounting arm and triggering the mounting The trigger mechanism for the arm to open.
A fixture for a recessed light fixture according to claim 1, further comprising a safety mechanism for reinforcing the receiving state of the mounting arm of the resilient mechanism prior to installation.
The fixture for a recessed luminaire according to claim 1, wherein the shaft portion of the rotating shaft has a square cross section, and the shaft portion is provided with an axial through hole.
The fixing device for a recessed luminaire according to claim 1, wherein a bottom end of the base of the rotating shaft is provided with a step, and a bottom of the outer casing is correspondingly provided with a groove.