CN111895337A - A light fixture with adjustable irradiation direction for elevator shaft maintenance - Google Patents

Abstract

The invention provides a lamp with adjustable irradiation direction for elevator shaft maintenance, which aims to solve the technical problem that the existing lamp cannot flexibly adjust the irradiation direction. The adopted technical scheme is: a lamp with adjustable irradiation direction for elevator shaft maintenance, comprising a casing, a lighting module and a condensing cover; the casing is a hollow sphere and is made of transparent material; the The lighting module is arranged in the casing; the condensing cover is arranged in the casing and is a hemispherical body; the convex spherical surface of the condensing cover is adapted to the inner wall of the casing; A limit track, the first limit track extends along the spherical surface of the housing; the convex spherical surface of the concentrator has a first limit piece; the first limit piece is limited to the first limit track and passes through the out of the casing; the condensing cover and the casing are kept relatively fixed by pressing each other. The invention can flexibly adjust the irradiation direction, and has the advantages of simple structure, low cost and small occupied space.

Description

A light fixture with adjustable irradiation direction for elevator shaft maintenance

technical field

The invention relates to the technical field of lighting equipment, in particular to a lamp with adjustable irradiation direction used for elevator shaft maintenance.

Background technique

Lamps are widely used lighting appliances. In many usage scenarios such as underground operations and tunnel construction, it is often necessary to adjust the illumination direction of the lamps. However, most of the existing lamps cannot flexibly adjust the irradiation direction after being installed and fixed, and there are many inconveniences in the use process.

There are also lamps such as searchlights, which realize the adjustment of the irradiation direction by driving the entire lamp to rotate through a motor. This type of lamp is usually equipped with two motors; the first motor drives the lamp to rotate in the up and down direction, and the second motor drives the first motor and the lamp to move in the left and right direction, so as to realize the adjustment of the illumination direction of the lamp.

Although lamps such as searchlights can adjust the irradiation direction, they have the defects of numerous equipment and complex structures; under the premise of a certain volume of the lighting module and a certain brightness of the illumination, they often need to occupy a larger space; it is difficult to meet the requirements for miniaturization and cost reduction.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a lamp with adjustable irradiation direction for elevator shaft maintenance, which has the advantages of simple structure, small occupied space and low cost.

For achieving the above object, the technical scheme adopted in the present invention is:

A light fixture with adjustable irradiation direction for elevator shaft maintenance, comprising:

a shell, which is a hollow sphere, made of transparent material;

a lighting module, which is arranged in the casing and is fixedly connected with the casing;

a condensing cover, which is arranged in the shell and is a hemispherical body;

Wherein, the concave spherical surface of the condensing cover is the condensing surface, and the convex spherical surface of the condensing cover is adapted to the inner wall of the housing;

The casing is provided with a first limit track running through its inner and outer surfaces, and the first limit track extends along the spherical surface of the shell; the convex spherical surface of the concentrator has a first limit piece; the first limit The position piece is limited to the first limit road and penetrates out of the shell;

The condensing cover and the housing are kept relatively fixed by pressing each other.

Optionally, the casing is composed of an upper casing and a lower casing that are relatively fastened together; the first limiting channel is provided on the upper casing, and the lighting module is fixedly connected to the bottom of the lower casing.

Optionally, the first limiting track includes a longitudinal track extending in the front-rear direction, and a transverse track extending along the left-right direction; wherein, the longitudinal track communicates with the middle of the transverse track, and the transverse track is juxtaposed along the length direction of the longitudinal track. Set multiple.

Optionally, the first limiting track extends from the middle of the spherical surface of the upper casing toward the periphery in a thread-like path.

Optionally, the first limiting track extends in a corrugated path along the spherical surface of the upper casing.

Optionally, the first limiting member is a screw structure and is adapted to a first nut; the housing is located between the condensing cover and the first nut.

Optionally, the first limiting member is sleeved with a first elastic member, and is in interference fit with the first limiting channel through the first elastic member; the first limiting member is squeezed by the first elastic member. Fixed in the first limit channel.

Optionally, the outer bottom of the lower casing is provided with a curved pipe for passing electric wires, and the curved pipe has a vertical part corresponding to the lighting module and a horizontal part penetrated in the horizontal pipe; the horizontal pipe is provided through the pipe. The second limit channel of the inner and outer walls extends along the circumferential direction of the transverse tube; the transverse part of the elbow has a second limit piece, and the second limit piece extends from the second limit The curved pipe and the transverse pipe are kept relatively fixed by mutual extrusion; the transverse pipe is provided with an insertion and withdrawal channel extending from the insertion end to the second limiting channel.

Optionally, the insertion and withdrawal channel is provided with an anti-dropping piece, and the anti-dropping piece is fastened to the horizontal pipe by bolts.

Optionally, a narrow portion and a wide portion are staggered along the length direction of the second limiting channel; the second limiting member is in the shape of a round rod, and a second elastic member is sleeved; The cross-sectional outline is an ellipse, and its long axis is adapted to the wide part of the second limiting channel, and the short axis is adapted to the narrow part of the second limiting channel.

The working principle of the present invention is as follows: toggle the first limiting member to move the first limiting member along the first limiting track; thereby driving the condensing cover to rotate along the inner wall of the housing, so that the condensing surface of the condensing cover is oriented changes; in this way, the direction of illumination of the luminaire can be adjusted.

It can be seen from this that the beneficial effect of the present invention is that the irradiation direction of the lamp can be flexibly adjusted. At the same time, the lighting module can occupy the entire space in the casing except for the thickness of the concentrator, and there is no need to install a driving device outside the casing; under the premise of providing the same illuminance, the space occupied is smaller, and the structural composition is simpler. lower cost.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural schematic diagram of the upper casing;

Figure 3 is a schematic structural diagram of a lower casing;

FIG. 4 is a schematic structural diagram of a condensing cover;

5 is a schematic diagram of adjusting the orientation of the condensing cover according to the present invention;

Fig. 6 is the assembly schematic diagram of the condenser cover and the upper casing;

Fig. 7 is the structural representation of elbow;

Fig. 8 is the structural representation of the horizontal pipe;

Fig. 9 is the enlarged view of A part in Fig. 8;

Fig. 10 is the structural representation of the anti-dropping part;

Fig. 11 is the assembly schematic diagram of the elbow and the horizontal pipe;

Figure 12 is an enlarged view of part B in Figure 11;

FIG. 13 is a schematic diagram of the first elastic member being sleeved on the first limiting member;

Reference numerals: 1, housing; 11, upper housing; 12, lower housing; 13, first limit track; 131, longitudinal track; 132, horizontal track; 2, lighting module; 3, condensing cover; 31, the first limiter; 32, the first nut; 33, the first elastic part; 4, the elbow; 41, the vertical part; 42, the horizontal part; 43, the second limiter; 44, the second elastic part 5. Horizontal tube; 51. The second limit channel; 52. Insertion and withdrawal channel;

Detailed ways

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not restrictive.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction between the two elements. . For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Embodiments of the present invention will be described in detail below with reference to FIGS. 1 to 13 .

An embodiment of the present invention provides a light fixture with adjustable illumination direction for elevator shaft maintenance, the light fixture includes:

The housing 1, which is a hollow sphere, is made of transparent material; it should be understood that a connecting piece may be provided on the outer wall of the housing 1, so as to fix the housing 1 on a light stand, a safety helmet or other facilities.

The lighting module 2 is arranged in the casing 1 and is fixedly connected with the casing 1 . It should be understood that when the lamp is installed on a safety helmet or other small mobile facilities, the lighting module 2 is powered by a battery; when the lamp is installed on a light stand or other fixed facilities, the lighting module 2 can be powered by a battery or a wire Power on. Generally, the main body of the lighting module 2 is located in the center of the housing 1 ; a lamp holder for installing the lighting module 2 can be arranged at the bottom of the housing 1 .

The condensing cover 3 is arranged in the casing 1 and is a hemispherical body; it should be understood that the condensing cover 3 does not pass through the connection between the lighting module 2 and the casing 1 .

The concave spherical surface of the condensing cover 3 is a condensing surface, and the convex spherical surface of the condensing cover 3 is adapted to the inner wall of the housing 1 .

The housing 1 is provided with a first limiting channel 13 penetrating its inner and outer surfaces, and the first limiting channel 13 extends along the spherical surface of the housing 1 ; the convex spherical surface of the condenser cover 3 has a first limiting member 31 . ; The first limiting member 31 is limited to the first limiting channel 13 and penetrates out of the housing 1 .

The condensing cover 3 and the housing 1 are kept relatively fixed by pressing each other. It should be understood that the condensing cover 3 and the housing 1 can be kept relatively fixed by the friction generated by the mutual extrusion of the inner wall of the housing 1 and the convex spherical surface of the condensing cover 3, or they can be kept relatively fixed by the first limiting member 31 is relatively fixed by the friction generated by the mutual extrusion with the housing 1 when passing through the first limiting channel 13 .

In this embodiment, by turning the first limiting member 31 to move the first limiting member 31 along the first limiting track 13 , the condensing cover 3 can be driven to rotate along the inner wall of the housing 1 , so that the condensing cover 3 is rotated along the inner wall of the housing 1 . The orientation of the light-gathering surface of 3 is changed; thus, the illumination direction of the lamp is adjusted. The invention can flexibly adjust the irradiation direction of the lamp. At the same time, the lighting module 2 can occupy the entire space in the casing 1 except for the thickness of the concentrating cover 3, and there is no need to install a driving device outside the casing 1; under the premise of providing the same illuminance, the occupied space is smaller , the structure is simpler and the cost is lower.

Further, the casing 1 is composed of an upper casing 11 and a lower casing 12 that are relatively fastened together; the first limiting channel 13 is provided on the upper casing 11 , and the lighting module 2 and the lower casing 12 Bottom fixed. It should be understood that the upper casing 11 and the lower casing 12 are both hemispherical structures; annular ribs can be correspondingly provided on the outer walls of the upper casing 11 and the lower casing 12 along the opposite edges. The upper casing 11 and the lower casing 12 are connected and fixed. In addition, the housing 1 can also be fastened to a light stand, a safety helmet or other facilities by passing bolts through the annular edge.

Optionally, the first limiting channel 13 includes a longitudinal channel 131 extending in the front-rear direction, and a transverse channel 132 extending in the left-right direction; wherein, the longitudinal channel 131 communicates with the middle of the transverse channel 132, and the transverse channel 132 extends along the A plurality of longitudinal lanes 131 are arranged in parallel in the longitudinal direction.

Optionally, the first limiting channel 13 extends from the middle of the spherical surface of the upper casing 11 toward the periphery in a thread-like path.

Optionally, the first limiting channel 13 extends in a corrugated path along the spherical surface of the upper casing 11 .

Optionally, the first limiting member 31 is a screw structure and is adapted to a first nut 32 ; the housing 1 is located between the condensing cover 3 and the first nut 32 . It should be understood that by loosening the first nut 32, the first limiting member 31 can be toggled to adjust the orientation of the condensing cover 3; That is, the shell 1 can be squeezed between the condensing cover 3 and the first nut 32 to fix the condensing cover 3; at the same time, the convex spherical surface of the condensing cover 3 can also support and strengthen the shell 1. effect. In addition, the side of the first nut 32 facing the housing 1 may be set to a curved surface that matches the outer wall of the housing 1 ; or an elastic washer may be provided on the side of the first nut 32 facing the housing 1 . In addition, a layer of elastic rubber can also be provided on the convex spherical surface of the condensing cover 3 .

Optionally, the first limiting member 31 is sleeved with a first elastic member 33, and the first elastic member 33 is in interference fit with the first limiting channel 13; the first limiting member 31 passes through the first elastic member 33. The elastic member 33 is pressed and fixed in the first limiting channel 13 . It should be understood that the narrow part and the wide part can also be arranged alternately along the length direction of the first limiting channel 13 , and the first limiting member 31 can be set as a round rod structure; and the cross-sectional outline of the first elastic member 33 It is arranged in an oval shape, and the long axis of the cross-section of the first elastic member 33 is adapted to the wide portion of the first limiting channel 13 , and the short axis of the cross-section of the first elastic member 33 is adapted to the narrow portion of the first limiting channel 13 . match. Rotate the first elastic member 33 so that the long axis of its cross-section is consistent with the length direction of the first limiting path 13 , then the first limiting member 31 can be toggled so that the first limiting member 31 can be moved along the length of the first limiting path 13 . Move in the longitudinal direction; rotate the first elastic member 33, and turn the long axis of its cross-section into the wide part of the first limiting channel 13, so that the first limiting member 31 can be kept fixed.

Further, the outer bottom of the lower casing 12 is provided with an elbow 4 for passing electric wires. The elbow 4 has a vertical portion 41 corresponding to the lighting module 2 and a transverse portion 42 passing through the transverse pipe 5 . ; The transverse tube 5 is provided with a second limiting channel 51 running through its inner and outer walls, and the second limiting channel 51 extends along the circumferential direction of the transverse tube 5; the transverse portion 42 of the elbow 4 has a second limiting channel 43, the second limiting piece 43 protrudes from the second limiting channel 51; the elbow 4 and the transverse pipe 5 are kept relatively fixed by pressing each other; the transverse pipe 5 is arranged to extend from the insertion end to the first The insertion and withdrawal paths 52 of the two limiting paths 51 . It should be understood that the elbow 4 and the transverse tube 5 can be kept relatively fixed by the friction generated by the mutual extrusion of the inner wall of the transverse tube 5 and the transverse portion 42 of the elbow 4, or the second limiting member 43 When passing through the second limiting channel 51 , the friction generated by the mutual extrusion with the transverse tube 5 keeps it relatively fixed. By turning the second limiting member 43, the second limiting member 43 is moved along the second limiting channel 51; the transverse portion 42 of the elbow 4 can be driven to rotate in the transverse pipe 5, so that the casing 1 can be rotated around the transverse The tube 5 is rotated to adjust the irradiation direction of the lamp. Set the length of the second limit channel 51 to correspond to the half ring of the horizontal tube 5; at the same time, make the first limit channel 13 extend to the front, rear, left and right edges of the upper casing 11; the illumination angle of the lamp can be nearly 360°. No dead angle adjustment. In addition, the end of the transverse tube 5 inserted by the elbow 4 is the insertion end; a flange can be provided at the other end for installing and fixing the lamp on the lamp stand, safety helmet or other facilities; the electric wire for supplying power to the lighting module 2 Then it is inserted into the elbow 4 and the horizontal pipe 5 . When the lighting module 2 is powered by a battery, the battery can also be integrated and installed in the casing 1 or the outer wall of the casing 1 . Both the elbow 4 and the transverse tube 5 can be made of transparent materials.

Further, the insertion and withdrawal channel 52 is provided with a disengagement preventing member 53, and the disengagement preventing member 53 and the horizontal pipe 5 are fixedly connected by bolts. It should be understood that the disengagement prevention member 53 can fill the insertion and withdrawal channel 52 , so as to prevent the second limiting member 43 from coming out of the second limiting channel 51 .

Optionally, the second limiting channel 51 is provided with narrow portions and wide portions staggered along its length direction; the second limiting member 43 is in the shape of a round rod, and a second elastic member 44 is sleeved; The cross-sectional outline of the elastic member 44 is an ellipse, and its long axis is adapted to the wide portion of the second limiting channel 51 , and its short axis is adapted to the narrow portion of the second limiting channel 51 . It should be understood that by rotating the second elastic member 44 so that the long axis of its cross-section is consistent with the length direction of the second limiting channel 51 , the second limiting member 43 can be toggled so that the second limiting member 43 can move along the second limiting member 43 . The length direction of the limiting channel 51 is moved; the second elastic member 43 can be kept fixed by rotating the second elastic member 44 and turning the long axis of its cross section into the wide part of the second limiting channel 51 . In addition, the second limiting member 43 can also be configured as a screw structure and adapted to the second nut, so that the transverse tube 5 is clamped between the second nut and the transverse portion 42 of the elbow 4 .

Although the specific embodiments of the present invention are described above, those skilled in the art should understand that various changes or modifications can be made to these embodiments without departing from the principle and essence of the present invention, but these changes and Modifications all fall within the protection scope of the present invention.

Claims (10)

1. A lamp with adjustable irradiation direction for elevator shaft maintenance, characterized in that: comprising: A shell (1), which is a hollow sphere, made of transparent material; a lighting module (2), which is arranged in the casing (1) and is fixedly connected to the casing (1); a condensing cover (3), which is arranged in the casing (1) and is a hemispherical body; Wherein, the concave spherical surface of the light collecting cover (3) is a light collecting surface, and the convex spherical surface of the light collecting cover (3) is adapted to the inner wall of the housing (1); The housing (1) is provided with a first limiting track (13) running through its inner and outer surfaces, and the first limiting track (13) extends along the spherical surface of the housing (1); the condenser cover (3) The convex spherical surface has a first limiting member (31); the first limiting member (31) is limited to the first limiting channel (13) and penetrates out of the housing (1); The condensing cover (3) and the casing (1) are kept relatively fixed by pressing each other. 2 . The light fixture with adjustable irradiation direction for elevator shaft maintenance according to claim 1 , wherein the housing ( 1 ) consists of an upper housing ( 11 ) and a lower housing ( 12 ) that are relatively fastened together. 3 . ); the first limiting channel (13) is arranged on the upper casing (11), and the lighting module (2) is fixedly connected to the bottom of the lower casing (12). 3. The light fixture with adjustable irradiation direction for elevator shaft maintenance according to claim 2, characterized in that the first limit road (13) comprises: longitudinal tracks (131) extending in the fore-aft direction; and a crossway (132) extending in the left-right direction; Wherein, the longitudinal passage (131) communicates with the middle of the transverse passage (132), and a plurality of the transverse passages (132) are arranged side by side along the longitudinal direction of the longitudinal passage (131). 4. The lamp with adjustable irradiation direction for elevator shaft maintenance according to claim 2, characterized in that: the first limit channel (13) is a thread-like path from the middle of the spherical surface of the upper casing (11). Extend all around. 5. The light fixture for elevator shaft maintenance with adjustable irradiation direction according to claim 2, characterized in that: the first limiting track (13) extends in a corrugated path along the spherical surface of the upper casing (11). . 6. The lamp with adjustable irradiation direction for elevator shaft maintenance according to any one of claims 1 to 5, characterized in that: the first limiting member (31) is a screw structure, and is adapted to the first limiting member (31). A nut (32); the housing (1) is located between the condensing cover (3) and the first nut (32). 7. The light fixture with adjustable irradiation direction for elevator shaft maintenance according to any one of claims 1 to 5, characterized in that: the first limiting member (31) is sleeved with a first elastic member ( 33), and interference fit with the first limit channel (13) through the first elastic piece (33); In the limit road (13). 8. The lamp with adjustable irradiation direction for elevator shaft maintenance according to any one of claims 2 to 5, characterized in that: the outer bottom of the lower casing (12) is provided with a bend for passing wires A pipe (4), the elbow (4) has a vertical portion (41) corresponding to the lighting module (2) and a transverse portion (42) passing through the transverse pipe (5); the transverse pipe (5) ) is provided with a second limiting channel (51) running through its inner and outer walls, and the second limiting channel (51) extends along the circumferential direction of the transverse tube (5); the transverse portion (42) of the elbow (4) There is a second limiting piece (43), the second limiting piece (43) passes through the second limiting channel (51); the elbow (4) and the transverse tube (5) are held by mutual extrusion Relatively fixed; the transverse tube (5) is provided with an insertion and withdrawal channel (52) extending from the insertion end to the second limiting channel (51). 9 . The lamp with adjustable irradiation direction for elevator shaft maintenance according to claim 8 , characterized in that: the insertion and withdrawal channel ( 52 ) is provided with an anti-dropping piece ( 53 ), and the anti-dropping piece ( 53 ). ) and the transverse tube (5) are bolted together. 10 . The light fixture with adjustable irradiation direction for elevator shaft maintenance according to claim 8 , characterized in that: the second limit road ( 51 ) is provided with a narrow part and a wide part staggered along its length direction; The second limiting member (43) is in the shape of a round rod, and is sleeved with a second elastic member (44); the cross-sectional outline of the second elastic member (44) is an ellipse, and its long axis is connected to the second limiting channel The wide part of (51) is adapted, and the short axis is adapted to the narrow part of the second limiting channel (51).

Images