CN220152634U - Height adjusting mechanism and illuminating lamp with same - Google Patents

Abstract

The utility model relates to a height adjusting mechanism and an illuminating lamp with the same, wherein the mechanism comprises an upper support arm which is vertically arranged, a lower support arm which is axially and slidably connected with the upper support arm, and a connecting arm which is parallel to the lower support arm; the lower end of the connecting arm is fixedly connected with the lower support arm, and the upper end of the connecting arm is parallel to the upper support arm; the mechanism also comprises a coil spring, wherein one or more coil springs are arranged; the outer end of the coil spring is connected with the upper support arm, the inner end of the coil spring is vertically and rotatably connected with the connecting arm, and the upper support arm is provided with a movable position for the coil spring to vertically fit and roll; when the device is used, the upward and downward movement of the backdrop lamp is realized through the sliding connection of the upper support arm and the lower support arm, and meanwhile, upward pulling force opposite to the gravity direction of the backdrop lamp arranged on the lower support arm can be provided through the coil spring, so that the gravity of the backdrop lamp is counteracted, and the height adjustment of a user to the backdrop lamp is greatly facilitated.

Description

Height adjusting mechanism and illuminating lamp with same

Technical Field

The utility model relates to the technical field of illuminating lamps, in particular to a height adjusting mechanism and an illuminating lamp with the same.

Background

The LED backdrop lamps are divided into four series of 60 LED backdrop lamps, 108 LED backdrop lamps, 120 LED backdrop lamps and 126 LED backdrop lamps according to the number of the lamp beads. The backdrop lamps are called as a backdrop lamp, because the usage of each occasion is different.

Currently, most of the awning lamps on the market have fixed height, which cannot be adjusted in height and are limited in practical use, so we propose a height adjusting mechanism and an illuminating lamp with the same to solve the above problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a height adjusting mechanism and an illuminating lamp with the same, wherein the height adjusting mechanism can well solve the problems.

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

providing a height adjusting mechanism, wherein the mechanism comprises an upper support arm which is vertically arranged, a lower support arm which is axially and slidably connected with the upper support arm, and a connecting arm which is parallel to the lower support arm; the lower end of the connecting arm is fixedly connected with the lower support arm, and the upper end of the connecting arm is parallel to the upper support arm; the mechanism further comprises a coil spring, wherein one or more coil springs are arranged; the outer end of the coil spring is connected with the upper support arm, the inner end of the coil spring is vertically and rotatably connected with the connecting arm, and a movable position for the coil spring to vertically fit and roll is arranged on the upper support arm.

The height adjusting mechanism further comprises a limiting base arranged at the upper end of the connecting arm, and a movable groove for the coil spring to rotate is formed in the vertical side wall of the limiting base.

The height adjusting mechanism comprises a lower support arm and an upper support arm, wherein the lower support arm and the upper support arm are of cylindrical structures, the lower support arm is sleeved at the lower end of the upper support arm in a sliding mode, a connecting arm is arranged in the lower support arm, and when the height adjusting mechanism is assembled in place, the upper end of the connecting arm and the limiting base are both positioned in the upper support arm.

The height adjusting mechanism is characterized in that two coil springs are arranged vertically.

The height adjusting mechanism provided by the utility model is characterized in that the upper and lower inner walls of the movable groove are arc-shaped and are matched with the coil springs.

The utility model relates to a height adjusting mechanism, wherein two ends of a movable groove perpendicular to a rotating shaft of a coil spring penetrate through the side wall of a limit base, a fixing groove for fixing the limit base is formed in a connecting arm, and when the connecting arm is assembled in place, the limit base and the coil spring are both located in the fixing groove.

The height adjusting mechanism of the utility model, wherein the fixing groove is rectangular and is opened along the length direction of the connecting arm.

According to the height adjusting mechanism disclosed by the utility model, the limiting base is arranged on the side wall of the connecting arm, the guide plate is axially arranged in the upper support arm, the guide plate and the inner side wall of the upper support arm are enclosed to form a movable cavity for the connecting arm to move up and down, and when the height adjusting mechanism is assembled in place, the guide plate and the connecting arm are in sliding fit with one side wall deviating from the limiting base.

In addition, still provide a light with high adjustment mechanism, wherein, the light includes mount pad and sky curtain lamp body, the upper end of going up the support arm is equipped with the mount pad, the lower extreme of lower support arm is equipped with sky curtain lamp body.

The utility model has the beneficial effects that: during the use, realize the reciprocating of backdrop lamp through the sliding connection of last support arm and lower support arm, simultaneously, still accessible wind spring provides the pulling force up opposite with the gravity direction of backdrop lamp of installing on the support arm down, and then offset the gravity of backdrop lamp, made things convenient for the high regulation of user to the backdrop lamp greatly, moreover, use the wind spring to provide restoring force, can guarantee that the stroke of going up support arm and lower support arm is long enough, compare the spring, the space that the wind spring occupy is littleer, set up the mounted position more easily.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

fig. 1 is a side view of a height adjustment mechanism of the present utility model.

Fig. 2 is a cross-sectional view A-A of fig. 1.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Fig. 5 is an exploded view of the height adjustment mechanism of the present utility model.

Fig. 6 is an enlarged view of a partial structure of fig. 5.

Detailed Description

The terms "first," "second," "third," and "fourth" and the like in the description and in the claims and drawings are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

"plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

Moreover, the terms "upper, lower, left, right, upper end, lower end, longitudinal" and the like that represent the orientation are all referred to with reference to the attitude position of the apparatus or device described in this scheme when in normal use.

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

The height adjusting mechanism of the preferred embodiment of the present utility model, as shown in fig. 1 to 6, comprises an upper arm 1 arranged vertically, a lower arm 2 axially slidably connected with the upper arm 1, and a connecting arm 3 arranged parallel to the lower arm 2; the lower end of the connecting arm 3 is fixedly connected with the lower support arm 2, and the upper end of the connecting arm 3 is parallel to the upper support arm 1; the mechanism also comprises a coil spring 4, wherein one or more coil springs 4 are arranged; the outer end 41 of the coil spring 4 is connected with the upper support arm 1, the inner end 42 is vertically and rotatably connected with the connecting arm 3 through the rotating shaft 5, the upper support arm 1 is provided with a movable position 6 for the coil spring 4 to vertically fit and roll, and when the coil spring 4 is assembled in place, the coil spring 4 is positioned between the connecting arm 3 and the movable position 6; during the use, realize the oscillograph lamp through the sliding connection of last support arm 1 and lower support arm 2, simultaneously, concrete lower support arm 2 descends, still accessible wind spring 4 provides the upward pulling force opposite with the gravity direction of the oscillograph lamp of installing on the lower support arm 2, and then offset the gravity of oscillograph lamp, the user has made things convenient for the altitude mixture control of user to the oscillograph lamp greatly, moreover, use wind spring 4 to provide restoring force, can guarantee that the stroke of going up support arm 1 and lower support arm 2 is enough long, compare the spring, the space that wind spring 4 occupy is littleer, set up the mounted position more easily.

Preferably, the mechanism further comprises a limiting base 7 arranged at the upper end of the connecting arm 3, a movable groove 8 for the rotation of the coil spring 4 is formed in the vertical side wall of the limiting base 7, the coil spring 4 is rotatably arranged in the movable groove 8 so as to position the coil spring 4, meanwhile, the outer end of the coil spring 4 is fixed at the upper end of the upper support arm 1, and the limiting base 7 is arranged at the upper end of the connecting arm 3 so as to obtain the maximum lifting stroke of the lower support arm 2.

Preferably, the lower support arm 2 and the upper support arm 1 are both in cylindrical structures, the lower support arm 2 is slidably sleeved at the lower end of the upper support arm 1, the connecting arm 3 is arranged in the lower support arm 2, when the lower support arm is assembled in place, the upper end of the connecting arm 3 and the limiting base 7 are both positioned in the upper support arm 1, in addition, in order to prevent the lower support arm 2 and the upper support arm 1 from falling off, a stop block 3a is arranged on the side wall of the connecting arm 3, a stop table 1a is arranged on the inner wall of the upper support arm 1 corresponding to the stop block 3a, the stop block 3a is arranged at the upper end of the connecting arm 3, the stop table 1a is arranged at the lower end of the inner wall of the upper support arm 1, when the lower support arm 2 descends to the lower end of the upper support arm 1, the connecting arm 3 and the lower support arm 2 can be fixed on the upper support arm 1 through the stop block 3a, and the lower support arm 2 can be prevented from moving downwards further.

Preferably, the coil springs 4 are provided with two coil springs vertically arranged to accommodate the larger weight of the backdrop lamp 13, and the two coil springs 4 are arranged up and down to save horizontal installation space.

Preferably, the upper and lower inner walls of the movable groove 8 are each circular arc-shaped to be fitted with the coil spring 4 to accommodate the rotation of the coil spring 4.

Preferably, the connecting arm 3 is provided with a fixing groove 9 for fixing the limiting base 7, and when the connecting arm is assembled in place, the limiting base 7 and the coil spring 4 are both positioned in the fixing groove 9, and a rotating shaft of the coil spring 4 can be rotationally connected with the base or can penetrate through the fixing groove to be rotationally connected with the connecting arm.

Preferably, the fixing groove 9 is rectangular and is opened along the length direction of the connection arm 3, so that the connection arm 3 forms a U-shaped channel steel structure to reduce weight and ensure structural strength.

Preferably, the limiting base 7 is arranged on the side wall of the connecting arm 3, the guide plate 10 is axially arranged in the upper support arm 1, the guide plate 10 and the inner side wall of the upper support arm 1 enclose to form a movable cavity 11 for the connecting arm 3 to move up and down, and when the connecting arm is assembled in place, the guide plate 10 and the connecting arm 3 are in sliding fit with a side wall deviating from the limiting base 7 so as to prevent the connecting arm 3 from shifting in the process of moving up and down.

The illuminating lamp with the height adjusting mechanism according to the embodiment, as shown in fig. 1, includes a mounting seat 12 and a backdrop lamp body 13, the upper end of the upper support arm 1 is provided with the mounting seat 12, and the lower end of the lower support arm 2 is provided with the backdrop lamp body 12.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims (9)

1. The height adjusting mechanism is characterized by comprising an upper support arm which is vertically arranged, a lower support arm which is axially and slidably connected with the upper support arm, and a connecting arm which is parallel to the lower support arm; the lower end of the connecting arm is fixedly connected with the lower support arm, and the upper end of the connecting arm is parallel to the upper support arm; the mechanism further comprises a coil spring, wherein one or more coil springs are arranged; the outer end of the coil spring is connected with the upper support arm, the inner end of the coil spring is vertically and rotatably connected with the connecting arm, and a movable position for the coil spring to vertically fit and roll is arranged on the upper support arm.

2. The height adjustment mechanism according to claim 1, further comprising a limit base provided at an upper end of the connecting arm, wherein a movable groove for the rotation of the coil spring is provided on a vertical side wall of the limit base.

3. The height adjustment mechanism according to claim 2, wherein the lower arm and the upper arm are both of a cylindrical structure, the lower arm is slidably sleeved on the lower end of the upper arm, the connecting arm is disposed in the lower arm, and when assembled in place, the upper end of the connecting arm and the limit base are both disposed in the upper arm.

4. A height adjustment mechanism according to claim 3, wherein the coil springs are provided in two and vertically arranged.

5. The height adjusting mechanism according to claim 4, wherein the upper and lower inner walls of the movable groove are each circular arc-shaped to be fitted with the coil spring.

6. The height adjustment mechanism according to claim 2, wherein the connecting arm is provided with a fixing groove for fixing the limit base, and wherein the limit base and the coil spring are both located in the fixing groove when assembled in place.

7. The height adjustment mechanism according to claim 6, wherein the fixing groove is rectangular and is opened along a length direction of the connecting arm.

8. The height adjusting mechanism according to claim 3, wherein the limit base is disposed on a side wall of the connecting arm, a guide plate is axially disposed inside the upper support arm, the guide plate and an inner side wall of the upper support arm enclose to form a movable cavity for the connecting arm to move up and down, and when the connecting arm is assembled in place, the guide plate and a side wall of the connecting arm, which is away from the limit base, are in sliding fit.

9. A lighting lamp with a height adjusting mechanism as claimed in any one of claims 1 to 8, wherein the lighting lamp comprises a mounting base and a backdrop lamp body, the mounting base is provided at the upper end of the upper support arm, and the backdrop lamp body is provided at the lower end of the lower support arm.