阅读说明：本技术 一种用于投影灯的可调节安装杆 (Adjustable mounting rod for projection lamp ) 是由 何庆亮 于 2020-06-15 设计创作，主要内容包括：本发明公开了一种用于投影灯的可调节安装杆,涉及投影灯技术领域。本发明包括固定杆,以及内部的丝杆和导杆；丝杆上的丝杆螺母转动连接有灯杆；导杆滑动连接有调节块；导杆固定有主动轮；灯杆通过单向轴承与调节块连接；灯杆端部连接有固定座；灯杆内设置有导柱；导柱通过连接杆与固定座铰接；灯杆连接有第一单向齿轮和轴套；轴套内壁开设有与导柱上限位柱配合的凸轮槽道；轴套连接有第二单向齿轮；调节块转动连接有与主动轮、第一单向齿轮和第二单向齿轮啮合的连接轮。本发明通过丝杆和丝杆螺母实现对灯杆的高度调节,通过导杆转动第一单向齿轮和二单向齿轮,实现对投影灯固定座的照射角度进行调节,提高了投影灯调节的便利性和安装效率。(The invention discloses an adjustable mounting rod for a projection lamp, and relates to the technical field of projection lamps. The invention comprises a fixed rod, a screw rod and a guide rod which are arranged inside the fixed rod; a screw rod nut on the screw rod is rotationally connected with a lamp post; the guide rod is connected with an adjusting block in a sliding way; the guide rod is fixed with a driving wheel; the lamp post is connected with the adjusting block through a one-way bearing; the end part of the lamp post is connected with a fixed seat; a guide post is arranged in the lamp post; the guide post is hinged with the fixed seat through a connecting rod; the lamp post is connected with a first one-way gear and a shaft sleeve; the inner wall of the shaft sleeve is provided with a cam channel matched with the limiting column on the guide column; the shaft sleeve is connected with a second one-way gear; the adjusting block is rotatably connected with a connecting wheel meshed with the driving wheel, the first one-way gear and the second one-way gear. According to the invention, the height of the lamp post is adjusted through the screw rod and the screw rod nut, and the irradiation angle of the projection lamp fixing seat is adjusted by rotating the first one-way gear and the second one-way gear through the guide rod, so that the convenience for adjusting the projection lamp and the installation efficiency are improved.)

1. An adjustable mounting bar for a projection lamp, comprising a fixing bar (1); the method is characterized in that: the fixed rod (1) is of a tubular structure with two closed ends; the inner wall of the fixed rod (1) is fixedly connected with a fixed plate (101); a screw rod (2) and a guide rod (3) are rotatably connected between the inner top wall of the fixed rod (1) and the fixed plate (101);

the lower ends of the screw rod (2) and the guide rod (3) penetrate through the fixing plate (101) and are respectively and fixedly connected with a hand wheel (201);

a straight notch (102) is axially formed in the side wall of the fixed rod (1); an operation opening (103) is formed in the side wall of the fixed rod (1) corresponding to the hand wheel (201); the side wall of the fixed rod (1) is hinged with a cover plate (104) matched with the straight notch (102);

the screw rod (2) is matched with a screw rod nut (202); the peripheral side surface of the screw rod nut (202) is rotationally connected with a lamp post (4); the guide rod (3) is connected with an adjusting block (5) in a sliding manner; the side surface of the adjusting block (5) is provided with a through hole; the peripheral side surface of the upper end of the guide rod (3) is fixedly connected with a driving wheel (301);

the lamp post (4) is of a tubular structure and is rotationally connected with the through hole through a one-way bearing; the lamp post (4) extends out of the fixed rod (1) through the straight notch (102); an adjusting notch (401) is formed in the end of the lamp post (4); a fixed seat (402) for mounting the projection lamp is rotationally connected in the adjusting notch (401);

a waist-shaped hole (403) is formed in the side wall of the lamp post (4); the inner wall of the lamp post (4) is movably connected with a guide post (6); the side surface of the guide post (6) is fixedly connected with a limit post (601) which is in clearance fit with the waist-shaped hole (403); the end face of the guide post (6) is hinged with a connecting rod (602), and one end of the connecting rod (602) is hinged with the fixed seat (402);

the peripheral side surface of the lamp post (4) is connected with a first one-way gear (404) and a shaft sleeve (405); the first one-way gear (404) and the shaft sleeve (405) are respectively positioned at two sides of the adjusting block (5);

the inner wall of the shaft sleeve (405) is provided with a cam channel matched with the end part of the limiting column (601) and used for enabling the limiting column (601) to reciprocate along the waist-shaped hole (403) through the rotation of the shaft sleeve (405); the peripheral side surface of the shaft sleeve (405) is connected with a second one-way gear (406);

the upper surface of the adjusting block (5) is rotatably connected with a connecting wheel (501); the connecting wheel (501) can be meshed with the driving wheel (301), the first one-way gear (404) and the second one-way gear (406) at the same time.

2. The adjustable mounting pole for a projection lamp of claim 1 wherein the top interior surface of the straight slot (102) defines a pole slot (105) that is a clearance fit with the pole (4).

3. The adjustable mounting pole for a projection lamp of claim 1, wherein a rubber pad is fixedly attached to the upper surface of the cover plate (104); the upper surface of the rubber pad is abutted against the inner top surface of the straight notch (102).

4. The adjustable mounting pole for a projection lamp as claimed in claim 3, wherein the upper surface of the rubber mat is provided with an arc-shaped notch (106) which is attached to the outer wall of the lamp post (4).

5. The adjustable mounting rod for projection lamp of claim 1, 2 or 4, wherein the end face of the limit post (601) is a spherical structure.

Technical Field

The invention belongs to the technical field of projection lamps, and particularly relates to an adjustable mounting rod for a projection lamp.

Background

The projection lamp projects the advertisement content on the manufactured lamp piece to the advertisement surface needing projection, such as the floor, the wall or the ground, by using the optical projection principle and adopting a high-brightness light source. The projection lamp can image any pattern in the form of light on any opaque medium.

When the existing projection lamp is installed through the installation rod, the adjustment of the position of the projection lamp holder is not facilitated. If the projection lamp is installed after the installation rod is installed, the installation of the projection lamp is very inconvenient and the installation efficiency is low due to the fact that the installation rod is high.

If install the projection lamp on the installation pole now, will install the pole again and fix subaerial, nevertheless the projection angle or the position of projection lamp can't be guaranteed to this mode when the projection lamp installation, and the installation pole installation back owing to have certain height to can't adjust the projection lamp.

Therefore, it is highly desirable to design a mounting rod capable of flexibly adjusting the projection position of the projection lamp to improve the mounting efficiency of the projection lamp.

Disclosure of Invention

The invention aims to provide an adjustable mounting rod for a projection lamp, which realizes the height adjustment of a lamp post through a screw rod and a screw rod nut, realizes the adjustment of the irradiation angle of a projection lamp fixing seat through rotating a first one-way gear and a second one-way gear through a guide rod, and solves the problems of inconvenient angle adjustment and influence on mounting efficiency of the existing projection lamp.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an adjustable mounting rod for a projection lamp, which comprises a fixing rod; the fixed rod is of a tubular structure with two closed ends; the inner wall of the fixed rod is fixedly connected with a fixed plate; a screw rod and a guide rod are rotatably connected between the inner top wall of the fixed rod and the fixed plate; the lower ends of the screw rod and the guide rod penetrate through the fixing plate and are respectively and fixedly connected with a hand wheel;

a straight notch is axially formed in the side wall of the fixed rod; an operation opening is formed in the side wall of the fixed rod corresponding to the hand wheel; the side wall of the fixed rod is hinged with a cover plate matched with the straight notch;

the screw rod is matched with a screw rod nut; the peripheral side surface of the screw rod nut is rotationally connected with a lamp post; the guide rod is connected with an adjusting block in a sliding manner; the side surface of the adjusting block is provided with a through hole; the peripheral side surface of the upper end of the guide rod is fixedly connected with a driving wheel;

the lamp post is of a tubular structure and is rotationally connected with the through hole through a one-way bearing; the lamp post extends out of the fixed rod through the straight notch; the end part of the lamp post is provided with an adjusting notch; a fixed seat for mounting the projection lamp is rotatably connected in the adjusting groove opening; the side wall of the lamp post is provided with a waist-shaped hole; the inner wall of the lamp post is movably connected with a guide post; the peripheral side surface of the guide post is fixedly connected with a limiting post in clearance fit with the waist-shaped hole; the end face of the guide pillar is hinged with a connecting rod, and one end of the connecting rod is hinged with the fixed seat;

the peripheral side surface of the lamp post is connected with a first one-way gear and a shaft sleeve; the first one-way gear and the shaft sleeve are respectively positioned on two sides of the adjusting block;

the inner wall of the shaft sleeve is provided with a cam channel matched with the end part of the limiting column, and the cam channel is used for enabling the limiting column to reciprocate along the waist-shaped hole through the rotation of the shaft sleeve; the peripheral side surface of the shaft sleeve is connected with a second one-way gear;

the upper surface of the adjusting block is rotatably connected with a connecting wheel; the connecting wheel can be simultaneously meshed with the driving wheel, the first one-way gear and the second one-way gear.

Further, a lamp post notch in clearance fit with the lamp post is formed in the inner top surface of the straight notch.

Furthermore, a rubber pad is fixedly connected to the upper surface of the cover plate; the upper surface of the rubber pad is abutted against the inner top surface of the straight notch.

Further, the upper surface of the rubber mat is provided with an arc-shaped notch attached to the outer wall of the lamp post.

Furthermore, the end face of the limiting column is of a spherical structure.

The invention has the following beneficial effects:

1. according to the invention, the height of the lamp post is adjustable by arranging the screw rod and the screw nut, the projection lamp can be installed at the lower end of the fixing rod, and the projection lamp is lifted to the top end after installation, so that the convenience and the installation efficiency of the projection lamp are greatly improved.

2. According to the projection lamp, the guide rod is arranged, the first one-way gear and the second one-way gear on the lamp post are driven to rotate by the guide rod, the lamp post is rotated, and the projection lamp fixing seat is rotated, so that the projection lamp can be adjusted in any irradiation direction, the operation is performed at the lower end of the fixing rod, and the adjustment convenience of the projection lamp is greatly improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an adjustable mounting bar for a projection lamp according to the present invention;

FIG. 2 is a top view of the structure of FIG. 1;

FIG. 3 is an enlarged view of the portion A in FIG. 1;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 5 is a schematic structural view of a screw, a guide rod, a lamp post and an adjusting block;

FIG. 6 is a top view of the structure of FIG. 5;

FIG. 7 is a cross-sectional view taken at B-B of FIG. 6;

in the drawings, the components represented by the respective reference numerals are listed below:

1-fixed rod, 2-screw rod, 3-guide rod, 4-lamp pole, 5-adjusting block, 6-guide column, 01-fixed plate, 102-straight notch, 103-operation opening, 104-cover plate, 105-lamp pole notch, 106-arc notch, 201-hand wheel, 202-screw rod nut, 301-driving wheel, 401-adjusting notch, 402-fixed seat, 403-kidney-shaped hole, 404-first one-way gear, 405-shaft sleeve, 406-second one-way gear, 501-connecting wheel, 601-limiting column and 602-connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1, the present invention is an adjustable mounting rod for a projection lamp, including a fixing rod 1; the fixed rod 1 is a tubular structure with two closed ends, and the bottom of the fixed rod 1 is fixed on the ground. The fixed plate 101 is welded on the inner wall of the fixed rod 1, and the fixed plate 101 is located at the position close to the lower end of the fixed rod 1, so that a person can stand conveniently.

As shown in fig. 2-4, a screw rod 2 and a guide rod 3 are rotatably connected between the inner top wall of the fixing rod 1 and the fixing plate 101. The lower ends of the screw rod 2 and the guide rod 3 penetrate through the fixing plate 101 and are respectively and fixedly connected with hand wheels 201;

a straight notch 102 is axially formed in the side wall of the fixing rod 1, and the lower end of the straight notch 102 is flush with the fixing plate 101. An operation opening 103 is formed in the side wall of the fixed rod 1 corresponding to the hand wheel 201; the operation opening 103 can be used for rotating the screw rod 2 or the guide rod 3 through the hand wheel 201.

The side wall of the fixed rod 1 is hinged with a cover plate 104 matched with the straight notch 102; meanwhile, two inner side surfaces of the straight notch 102 are in a splayed structure, and the stability and the sealing performance can be better ensured after the straight notch is matched with the cover plate 104. The cover plate 104 is connected with the fixing rod 1 through a hinge and fixed through a latch with a lock after being covered with the straight notch 102.

As shown in fig. 4 and 5, the lead screw 2 is fitted with a lead screw nut 202; the peripheral side surface of the screw rod nut 202 is rotationally connected with a lamp post 4 through a bearing seat; the guide rod 3 is connected with an adjusting block 5 in a sliding way; the adjusting block 5 is provided with a through hole penetrating through the upper surface and the lower surface, the sliding with the guide rod 3 is realized through the through hole, and the side surface of the adjusting block 5 is provided with a through hole; the through hole and the through hole are perpendicular to each other and are not communicated with each other. The peripheral side surface of the upper end of the guide rod 3 is fixedly connected with a driving wheel 301.

The lamp post 4 is of a tubular structure and is rotatably connected with the through hole through a one-way bearing, so that the lamp post 4 can only rotate towards one direction relative to the adjusting block 5. The lamp post 4 extends out of the fixing rod 1 through the straight notch 102.

As shown in fig. 3, the end of the lamp post 4 extending out of the fixing rod 1 is provided with an adjusting notch 401; a fixing seat 402 for mounting the projection lamp is rotatably connected in the adjusting notch 401. Specifically, notch 401 symmetry welding otic placode can be adjusted relatively to 4 lateral walls of lamp pole, and two otic placodes rotate through the round pin axle and connect fixing base 402 between, and the lower extreme of fixing base 402 stretches out, the installation of the projection lamp of being convenient for, and the upper end of fixing base 402 is located inside lamp pole 4.

As shown in fig. 5-7, a waist-shaped hole 403 is formed in the side wall of the lamp post 4, and the waist-shaped hole 403 is axially arranged along the lamp post 4; the inner wall of the lamp post 4 is movably connected with a guide post 6. The inner wall of the guide post 6 and the lamp post 4 are in clearance fit, the peripheral side surface of the guide post 6 is welded or in threaded connection with a limiting column 601 in clearance fit with the waist-shaped hole 403, and the end part of the limiting column 601 extends out of the outer wall of the lamp post 4. The end surface of the guide post 6 is hinged with a connecting rod 602, and one end of the connecting rod 602 is hinged with the fixed seat 402; then, the fixing base 402 is pulled by the connecting rod 602 through the axial movement of the guide post 6 inside the lamp post 4, so as to realize the rotation of the fixing base 402, i.e. adjust the orientation direction of the projection lamp.

The peripheral side surface of the lamp post 4 is connected with a first one-way gear 404 and a shaft sleeve 405; the first one-way gear 404 and the bushing 405 are respectively located at both sides of the adjusting block 5.

The sleeve 405 is rotatably connected to the lamp stem 4 by means of bearings and defines an axial position. The inner wall of the shaft sleeve 405 is provided with a cam channel matched with the end part of the limit column 601, the cam channel is a wavy annular groove and is used for rotating through the shaft sleeve 405, the limit column 601 reciprocates along the waist-shaped hole 403 by utilizing the cam channel, namely, the axial movement of the guide column 6 is realized, and the projection lamp is adjusted.

The peripheral side surface of the shaft sleeve 405 is connected with a second one-way gear 406; the upper surface of the adjusting block 5 is rotatably connected with a connecting wheel 501, and the connecting wheel 501 is a gear. The connecting wheel 501 can be simultaneously engaged with the driving wheel 301, the first one-way gear 404 and the second one-way gear 406.

During installation, the lamp post 4 is lowered to the installation position convenient to install by rotating the screw rod 2, and the projection lamp is installed on the fixed seat 402. After the lamp post is installed, the screw rod 2 is rotated to enable the lamp post 4 to ascend to the top end of the fixed rod 1, and the cover plate 104 is covered.

When the guide rod 3 is rotated, the driving wheel 301 drives the connecting wheel 501 to rotate, for example, clockwise, and the connecting wheel 501 drives the first one-way gear 404 and the second one-way gear 406 to rotate at the same time.

At this time, the first one-way gear 404 is locked, the one-way bearing connecting the lamp post 4 and the through hole is in a free rotation state, and the second one-way gear 406 is in a free rotation state. Therefore, the first one-way gear 404 drives the lamp post 4 to rotate, and the irradiation direction of the fixing seat 402 can be changed.

When the connecting wheel 501 rotates counterclockwise, the first one-way gear 404 is in a free rotation state, and the one-way bearing connecting the lamp post 4 and the through hole is in a locked state, so that the lamp post 4 cannot rotate. And the second one-way gear 406 is in a locked state, so as to drive the shaft sleeve 405 to rotate, the shaft sleeve 405 rotates, and the cam groove of the inner wall is matched with the limiting column 601, so that the limiting column 601 moves along the waist-shaped hole 403, that is, the guide column 6 moves axially, that is, the irradiation position of the projection lamp along the axial direction of the lamp post 4 is adjusted.

Therefore, through the independent rotation of the lamp post 4 and the fixing seat 402, the irradiation direction of the projection lamp can be adjusted arbitrarily, and the installation convenience of the projection lamp and the flexible adjustment of the irradiation position are greatly improved.

Preferably, a lamp post notch 105 in clearance fit with the lamp post 4 is formed in the inner top surface of the straight notch 102, and a rubber pad is fixedly connected to the upper surface of the cover plate 104; the upper surface of the rubber pad is abutted against the inner top surface of the straight notch 102. The lamp post notch 105 can have certain fixed limiting effect on the lamp post 4, and the sealing performance can be improved by utilizing the rubber pad, and meanwhile, the lamp post 4 is supported.

Meanwhile, the arc-shaped notch 106 attached to the outer wall of the lamp post 4 is formed in the upper surface of the rubber gasket, the arc-shaped notch 106 limits the position of the lamp post 4, and the stability of the lamp post 4 is guaranteed.

Preferably, the end face of the limiting column 601 is of a spherical structure, and is in contact fit with the cam groove channel through a spherical surface, so that the friction force is reduced, and the smoothness and the reliability of adjustment are improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.