CN108895332B

CN108895332B - Lamp capable of changing irradiation direction

Info

Publication number: CN108895332B
Application number: CN201810406264.5A
Authority: CN
Inventors: 郑光林
Original assignee: Individual
Current assignee: Li Yanpeng
Priority date: 2018-04-30
Filing date: 2018-04-30
Publication date: 2020-12-01
Anticipated expiration: 2038-04-30
Also published as: CN108895332A

Abstract

The invention discloses a lamp capable of changing the irradiation direction, which comprises: the lamp body, with lamp body fixed connection's lamp pillar, with lamp pillar other end fixed connection's pillar stand, the lamp base of pillar stand center below, its characterized in that: set up carousel indexing mechanism device between pillar seat and lamp base, carousel indexing mechanism device includes: indexing rotary table, cam disc; the invention adopts a manual indexing mechanism connected between the lamp post and the lamp base, and can realize the change of the surrounding direction of the irradiation direction by the manual operation, so that the irradiation direction can be positioned and stopped at the indexing position, thereby achieving the purpose of daily use of a user.

Description

Lamp capable of changing irradiation direction

Technical Field

The present invention relates to a lamp, and more particularly, to a device capable of changing the direction of light emitted from the lamp.

Background

In actual daily lighting, the irradiation direction of the lamp is either diverged to all directions or limited by the lampshade to be fixed in a certain direction, but in reality, the irradiation direction is often required to be changed, for example, a navigation mark lamp is turned to a certain direction to guide a ship in a course, for example, an indoor wall lamp is required to irradiate a ceiling or a certain place to generate a spotlight or a focusing effect, and the like. The search and inquiry show that the technical schemes of the following two patents are closer to the technology of the invention and the realization of the use requirement, and 1 is as follows: CN 20156387512.8-a device capable of changing the direction of light irradiated by the LED spotlight; 2 is as follows: CN 1030332841A-a multi-angle mounting lamp and its lamp mounting bracket. Both of these patent technologies make a certain contribution to solving the problem of changing the irradiation direction of the lamp, and a corresponding feasible technical solution is also provided. However, neither of the above two techniques has been proposed as a method for changing the light irradiation direction by manual and convenient index control. Firstly, in patent 1, the purpose of changing the light irradiation direction is realized through the action of two stepping motors, so that the mechanism becomes complicated, the cost is increased, and higher requirements are provided for the installation environment and the electric control reliability of the motors; secondly, patent 2 adopts a multi-angle mounting mode to realize the purpose of changing the light irradiation direction, so that a position is required to be changed to mount a lamp body when changing a direction, the operation is complicated, the light irradiation direction is not safe and convenient to change at any time, the position changing installation of 360 degrees in all directions is difficult and difficult to realize, and the arrangement of a support at the lamp head part also hinders the illumination and the attractiveness of the lamp.

Disclosure of Invention

Aiming at the problems that the illuminating direction of the illuminating lamp is relatively fixed in the daily use and installation process, and the change of the illuminating direction is often realized by lacking an effective and simple mechanism; the solution is considered to be a practical and simple non-electric way.

Based on the consideration, the invention adopts a manual indexing mechanism connected between the lamp post and the lamp base, and can realize the change of the surrounding direction of the irradiation direction by manual operation, so that the irradiation direction can be positioned and stopped at the indexing position, thereby achieving the purpose of daily use of a user.

In order to achieve the purpose, the invention adopts the following scheme:

a lamp capable of changing illumination directions, comprising: the lamp body, with lamp body fixed connection's lamp pillar, with lamp pillar other end fixed connection's pillar stand, the lamp base of pillar stand center below, its characterized in that: set up carousel indexing mechanism device between pillar seat and lamp base, carousel indexing mechanism device includes: indexing dial, cam disc.

A lamp capable of changing the irradiation direction as described above, characterized in that: the cam disc is in a disc shape with a central hole, a cam surface recess is arranged on the periphery of the cam disc, the cam surface recess is connected with the periphery of the cam disc in an involute arc surface shape, and handles are fixedly arranged on the symmetrical peripheries of the cam surface recess on the periphery of the cam disc.

A lamp capable of changing the irradiation direction as described above, characterized in that: a handle bolt, a handle spring and a handle plug which are in sliding fit are coaxially arranged in the inner cavity of the handle, and one end of the handle bolt extends into the trapezoidal indexing groove of the indexing turntable.

A lamp capable of changing the irradiation direction as described above, characterized in that: the indexing turntable is arranged on the cam disc and is in a disc shape with steps, and a plurality of right-angle trapezoidal indexing grooves are uniformly distributed along the circumference of the indexing turntable.

A lamp capable of changing the irradiation direction as described above, characterized in that: the stop pin is fixedly connected with the stop pin seat in a suspension mode between two ends of the stop pin seat, one end of the stop pin seat is arranged in the support hole in a sliding mode, the other end of the stop pin seat is movably inserted into the trapezoidal indexing groove of the indexing turntable, a spring and a plug are coaxially arranged in the support hole, and the support is fixedly connected with the lamp base.

A lamp capable of changing the irradiation direction as described above, characterized in that: and a support base is fixedly arranged at the axis above the indexing turntable and is fixedly connected with the lamp support.

A lamp capable of changing the irradiation direction as described above, characterized in that: and a connecting rotating shaft is arranged at the penetrating center of the indexing turntable and the cam disc, the connecting rotating shaft is static relative to the indexing turntable, the connecting rotating shaft rotates relative to the cam disc, and the lower end of the connecting rotating shaft is locked by a fastening nut.

A lamp capable of changing the irradiation direction as described above, characterized in that: the lamp base is arranged at the central position and the gap is arranged at the lower end face of the cam plate, and the lamp base can be in a disc shape, a square shape or other shapes.

A lamp capable of changing the irradiation direction as described above, characterized in that: the lamp base can be installed on the ground, can be installed on the wall surface and can also be installed on any inclined plane.

In summary, compared with the prior art, the invention has the beneficial effects that:

the invention has simple structure and low manufacturing cost, and can realize manual lamp irradiation direction change without external electric power.

The invention can temporarily or fixedly fix the irradiation direction at a position in a direction needing irradiation, is not limited by an installation plane, can be fixedly installed on a horizontal, vertical or inclined surface, can be used as a floor standing lamp, a wall lamp and a spotlight, can also replace a sitting lamp and a wall lamp, can be used even in severe environment, and has practical and wide mechanism application.

Thirdly, the lamp with various beautiful shapes can be changed under the condition of changing the protective cover, the lamp body and the base, and the space for design innovation and expansion is larger.

Drawings

FIG. 1 is a schematic exterior view of a floor mount of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic external view of the wall mount of the present invention;

FIG. 4 is a schematic view of the profile of the cam plate 12 and the handle 15 of the present invention;

fig. 5 is a schematic external view of the index dial 5 of the present invention.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

a lamp capable of changing an irradiation direction as shown in fig. 1 to 5, comprising: lamp body 1, with 1 fixed connection's of lamp body lamp pillar 2, with 2 other end fixed connection's of lamp pillar support 4, the lamp base 11 of 4 central belows of support seat, its characterized in that: set up carousel indexing mechanism device between pillar seat 4 and lamp base 11, carousel indexing mechanism device includes: indexing dial 5, cam disc 12.

In the invention, as shown in figure 4, the cam disc 12 is in a shape of a circular disc with a central hole, the periphery of the cam disc 12 is provided with a cam surface depression, the cam surface depression is in an involute arc surface shape and is connected with the periphery of the cam disc 12, and the symmetrical periphery of the cam surface depression at the periphery of the cam disc 12 is fixedly provided with a handle 15; the handle 15 and the outer periphery of the cam plate 12 can be fixed by welding or by screw connection, and in order to facilitate the operation of the handle 15, the handle 15 is arranged at the symmetric outer periphery of the concave cam surface of the cam plate 12 as much as possible.

A lamp capable of changing the direction of illumination as shown in fig. 2, wherein: a handle bolt 16, a handle spring 14 and a handle plug 13 which are in sliding fit are coaxially arranged in the inner cavity of the handle 15, and one end of the handle bolt 16 extends into the trapezoidal indexing groove of the indexing turntable 5; the shape of the end of the extending end of the handle bolt 16 is designed to drive the indexing turntable 5 to rotate together when rotating clockwise, and the end of the extending end of the handle bolt 16 can be separated from the trapezoidal indexing groove of the indexing turntable 5 when rotating counterclockwise, so that the shape of the extending end of the handle bolt 16 can be designed to be cylindrical, spherical or planar, but all return contact surfaces should be favorably retracted by the handle bolt 16 against the ejecting force of the handle spring 14.

As shown in fig. 2 and 4, an indexing rotary disc 5 is arranged on a cam disc 12, the indexing rotary disc 5 is in a disc shape with steps, a plurality of right-angle trapezoidal indexing grooves are uniformly distributed along the circumference of the indexing rotary disc 5, the trapezoidal indexing grooves on the indexing rotary disc 5 are movably connected with the end part of a handle bolt 16, the cross section of each trapezoidal indexing groove takes a right-angle trapezoid as the best shape, a right-angle side surface is a pushing surface, and an oblique side surface is a returning and opening surface.

Furthermore, the trapezoidal indexing groove of the indexing turntable 5 can be 4 equal divisions, six equal divisions, eight equal divisions, nine equal divisions, twelve equal divisions and the like, so as to realize positioning irradiation in more directions.

As shown in fig. 3 and 4, a stop pin 10 is provided at a concave of a cam surface of a cam disc 12, one end of the stop pin 10 is fixedly connected with a stop pin seat 8 in a suspension manner, one end of the stop pin seat 8 is slidably provided in a hole of a support 9, the other end of the stop pin seat 8 is inserted into a trapezoidal indexing groove of an indexing turntable 5, a spring 7 and a plug 6 are coaxially provided in the hole of the support 9, and the support 9 is fixedly connected with a lamp base 11; in the rotation process of the cam disc 12, the stop pin 10 can be pushed back by utilizing the cambered surface and drives the stop pin seat 8 to exit from the trapezoidal indexing groove, the stop pin seat 8 and the driven stop pin 10 are reset by utilizing the spring 7, and the support 9 can also be arranged and fixed at other positions outside the lamp base 11, but the method of fixedly connecting the upper surface of the lamp base 11 is the best considering that the support is an integral design.

As shown in fig. 3, a post holder 4 is fixedly disposed at the upper axial center of the index dial 5, and the post holder 4 is also fixedly connected to the lamp post 2.

Furthermore, various protective covers can be arranged on the strut seat 4 of the device, the whole device can be covered, the attractive protective effect is achieved, the shapes of the protective covers are optional and various, the strut seat 4 can also be designed into a protective cover type, and the protective cover is simple in statement to highlight the design of the device.

As shown in fig. 3, a connecting rotating shaft 3 is disposed at the center of the indexing turntable 5 and the cam plate 12, the connecting rotating shaft 3 is stationary relative to the indexing turntable 5, the connecting rotating shaft 3 rotates relative to the cam plate 12, the lower end of the connecting rotating shaft 3 is locked by a fastening nut 17, and for reducing the rotating friction force, a bearing connection may be adopted at the rotating part, or a copper bush connection may be adopted according to the space.

As described above in fig. 3, the lamp base 11 is located at the center and the gap is set at the lower end face of the cam plate, the lamp base 11 may be shaped like a disc, a square or other shapes, and when the weight of the lamp base 11 is large enough to overcome the resistance during operation, it can be considered that the lamp base is not fixed during vertical installation, so that the lamp base can be placed anywhere for use.

As shown in fig. 1, fig. 3 and fig. 4, the lamp base 11 can be installed on the ground, on the wall, or on any inclined surface; when the lamp base 11 is installed on a wall surface or a slope surface, it is necessary to perform connection and fixation.

Further, with the change of the installation mode of the lamp base 11, the connection and modeling modes of the lamp body 1 and the lamp support 2 fixedly connected with the lamp body 1 can be changed according to the actual design working conditions.

The working principle of the invention is explained in the following:

pushing the handle 15 to drive the fixedly connected cam disc 12 to rotate together, inserting the handle bolt 16 on the handle 15 into the trapezoidal indexing groove of the indexing turntable 5 to drive the indexing turntable 5 to rotate together and drive the lamp to rotate together, when the stop pin 10 touches the end of the concave surface of the cam disc 12, inserting the end of the stop pin seat 8 into the trapezoidal indexing groove of the indexing turntable 5, being stopped and not being able to rotate continuously, and positioning the lamp at a certain position direction; when a reverse force is applied to the handle 15, the cam disc 12 is driven to rotate reversely, the handle bolt 16 is pushed out and separated by the inclined surface of the trapezoidal indexing groove of the indexing turntable 5, the cam disc 12 rotates reversely, the indexing turntable 5 and the lamp do not rotate reversely, the involute arc surface of the cam disc 12 pushes the stop pin 10 back and drives the stop pin seat 8 to exit the trapezoidal indexing groove of the indexing turntable 5, when the handle bolt 16 rotates to the next corresponding trapezoidal indexing groove position, the handle bolt 16 is inserted into the trapezoidal indexing groove under the action of the handle spring 14, the lamp can be continuously pushed to rotate, so that the lamp can be changed into an irradiation direction and positioned, and the operation can be repeated.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a convertible lamp that shines direction, includes lamp body (1), with lamp body (1) fixed connection's lamp pillar (2), with lamp pillar (2) other end fixed connection's pillar seat (4), lamp base (11) of pillar seat (4) center below, its characterized in that: set up carousel indexing mechanism device between pillar seat (4) and lamp base (11), carousel indexing mechanism device includes: the indexing turntable comprises an indexing turntable (5) and a cam disc (12), wherein the cam disc (12) is in a disc shape with a central hole, a cam surface depression is arranged on the periphery of the cam disc (12), the cam surface depression is in an arc involute shape and is connected with the periphery of the cam disc (12), a handle (15) is fixedly arranged on the symmetrical periphery of the cam surface depression on the periphery of the cam disc (12), a handle bolt (16), a handle spring (14) and a handle plug (13) which are in sliding fit are coaxially arranged in an inner cavity of the handle (15), one end of the handle bolt (16) extends into a trapezoidal indexing groove of the indexing turntable (5), the indexing turntable (5) is arranged on the cam disc (12), the indexing turntable (5) is in a disc shape with steps, a plurality of right-angle trapezoidal indexing grooves which are uniformly distributed along the circumference are arranged on the periphery of the indexing turntable (5), and a stop pin, stop pin (10) position between stop pin seat (8) both ends with stop pin seat (8) fixed connection in the suspension mode, stop pin seat (8) one end slides and sets up downtheholely at support (9), stop pin seat (8) other end activity inserts the trapezoidal graduation inslot of graduation carousel (5), downthehole coaxial spring (7), end cap (8) that set up of support (9), support (9) and lamp base (11) fixed connection graduation carousel (5) top axle center department is fixed sets up pillar seat (4) graduation carousel (5) and cam disc (12) run through center department and set up hookup pivot (3), hookup pivot (3) relative graduation carousel (5) are static, hookup pivot (3) relative cam disc (12) rotate, hookup pivot (3) lower extreme is locked by nut (17).

2. A lamp as claimed in claim 1, wherein the direction of illumination is variable: the lamp base (11) is arranged at the lower end face of the cam plate (12) in the central position and in the gap, and the lamp base (11) can be in a disc shape, a square shape or other shapes.

3. A lamp as claimed in claim 1 or 2, wherein the lamp comprises: the lamp base (11) is installed on the ground, or on the wall surface, or on any inclined plane.