CN111897180B

CN111897180B - Rotary projection lamp

Info

Publication number: CN111897180B
Application number: CN202010750976.6A
Authority: CN
Inventors: 张成春
Original assignee: Zaixing Electronics Shenzhen Co ltd
Current assignee: Zaixing Electronics Shenzhen Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-09-28
Anticipated expiration: 2040-07-30
Also published as: CN111897180A

Abstract

The invention relates to a rotary projection lamp, which comprises a lampshade, a power panel, a driver and a projection module; the power panel is combined with the lampshade; the driver is positioned in the lampshade and is electrically connected with the power panel, and the driver is provided with a mandrel; the projection module is combined with the mandrel and can be driven by the driver to rotate, the projection module is provided with a luminous source, a condensing lens and at least two projection components, the luminous source is electrically connected with the power panel, the condensing lens and the luminous source are arranged at intervals, the at least two projection components are arranged on one side of the condensing lens, which is far away from the luminous source, and are arranged at intervals, each projection component is provided with a positioning sleeve, a film piece and at least one imaging lens, the film piece is combined with the positioning sleeve, the at least one imaging lens is combined with the positioning sleeve and is arranged on one side of the film piece, which is far away from the luminous source, so that a projected pattern can surround a center to rotate the rotary projection lamp.

Description

Rotary projection lamp

Technical Field

The present invention relates to a projection lamp, and more particularly, to a rotary projection lamp capable of projecting a pattern around a center.

Background

The conventional projection lamp mainly includes a lamp cover, a driver, a light emitting module, a condenser lens assembly and a projection module. The driver is arranged in the lampshade and is provided with a mandrel, and the mandrel can rotate after the driver is electrified. The light emitting component and the condenser lens group are arranged in the lampshade at intervals, and the mandrel of the driver penetrates through the light emitting component and the condenser lens group. The projection module is arranged in the lamp shade, is positioned on one side of the condensing lens group far away from the light-emitting component, and is provided with at least one film and an imaging lens group, and the mandrel of the driver penetrates through the at least one film and is fixedly arranged and combined with the imaging lens group. When the existing projection lamp is used, the spindle of the driver rotates and drives the imaging lens group to rotate together, the light-emitting component, the condensing lens group and the at least one film sheet do not rotate, and light emitted by the light-emitting component passes through the condensing lens group, the at least one film sheet and the imaging lens group, so that patterns on the at least one film sheet can be projected to the ground or the wall surface.

However, when the conventional projection lamp is used, the spindle of the driver only drives the imaging lens set to rotate, so that the projected pattern can only move and cannot rotate around a center.

Disclosure of Invention

In order to solve the problem that the pattern projected by the existing projection lamp can only move and cannot rotate around a center due to the structural configuration of the existing projection lamp, the invention mainly aims to provide a rotary projection lamp capable of solving the technical problem at present.

The present invention relates to a rotary projection lamp, wherein the rotary projection lamp comprises:

a lamp shade;

a power panel, which is combined with the lampshade;

the fixing plate is combined with the lampshade and is arranged at intervals with the power panel;

the driver is positioned in the lampshade, is electrically connected with the power panel and is provided with a mandrel;

a projection module, which is combined with the mandrel of the driver and can be driven by the driver to rotate, the projection module is provided with a rotating seat, a luminous source, a condenser lens and at least two projection components, the rotating seat is provided with a first shell and a second shell, the first shell is combined with the mandrel, the second shell is detachably combined with the first shell, the luminous source is arranged in the first shell and is electrically connected with the power panel, the condenser lens and the luminous source are arranged at intervals, at least two projection components are arranged in the second shell, so that at least two projection components are arranged at one side of the condenser lens far away from the luminous source and are arranged at intervals, each projection component is provided with a positioning sleeve, a film piece and at least one imaging lens, the positioning sleeve is arranged at one side of the condenser lens far away from the luminous source, the film piece is combined with the positioning sleeve, the at least one imaging lens is combined with the positioning sleeve and arranged on one side of the film sheet far away from the light source, and light emitted by the light source passes through the film sheet and the at least one imaging lens of each projection assembly to form images and is driven by the driver to rotate the images formed by the at least two projection assemblies; and

an electric connection assembly, the electric connection assembly is provided with an anode torsion spring, a first conductive sleeve, a cathode torsion spring, a second conductive sleeve and a conductive sheet, the anode torsion spring is combined on the fixed plate, and one end of the anode torsion spring is electrically connected with an anode terminal of the power panel, the first conductive sleeve is arranged on the part of the first shell combined with the mandrel, and surrounds the mandrel, and is abutted against the other end of the anode torsion spring, the first conductive sleeve is provided with a first connecting part, the first connecting part is electrically connected with an anode contact of the luminous source through a wire, the cathode torsion spring is combined on the fixed plate and is arranged at an interval with the anode torsion spring, one end of the cathode torsion spring is electrically connected with a cathode terminal of the power panel, the second conductive sleeve is arranged on the mandrel, and is arranged at an interval with the first conductive sleeve, the other end of the cathode torsion spring is abutted against the second conductive sleeve, the conducting strip is sleeved on the mandrel and is provided with a second connecting part, and the second connecting part is electrically connected with a negative contact of the light source through an electric wire.

Further, in the above-mentioned rotary projection lamp, each projection module is provided with two imaging lenses, and the two imaging lenses are arranged at an interval and are arranged on one side of the film away from the light source.

Still further, in the above-mentioned rotary projection lamp, the rotary base is provided with at least two setting grooves, and the at least two setting grooves are formed on the rotary base at intervals; the positioning sleeve of each projection assembly is arranged in one of the arrangement grooves of the rotating base.

Preferably, in the above-mentioned rotary projection lamp, each of the installation grooves is provided with a locking groove; the positioning sleeve is provided with a clamping group, and the clamping group is convexly arranged on the outer surface of the positioning sleeve and clamped in the clamping groove.

More preferably, in the above-mentioned rotary projection lamp, the rotary base is provided with a coupling hole, the coupling hole is formed in the rotary base, and the fastening groove of each mounting groove is adjacent to the coupling hole; the projection module is provided with a locking piece which is combined with the combination hole and can press the clamping group of the positioning sleeve of each projection assembly against the corresponding clamping groove.

More preferably, in the above-mentioned rotary projection lamp, each projection module is provided with a pressing plate, the pressing plate is combined with the positioning sleeve, and the film is interposed between the positioning sleeve and the pressing plate and is combined with the positioning sleeve.

Preferably, in the above-mentioned rotary projection lamp, the positioning sleeve of each projection assembly has a first half cylinder and a second half cylinder, the first half cylinder and the second half cylinder are combined to form the positioning sleeve, and each imaging lens is disposed between the first half cylinder and the second half cylinder.

Preferably, in the above-mentioned rotary projection lamp, the lamp cover is provided with a hanging ring, and the hanging ring is disposed at a top end of the lamp cover.

By the technical means, the effects obtained by the invention are increased as follows:

the mandrel of the driver is combined with the projection module, so that the whole set of the projection module can be driven to rotate by the mandrel when the driver is used, the light-emitting component and the film in the projection module rotate together with at least one imaging lens, and the projected pattern rotates on the ground or the wall around a center.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.

Fig. 1 is a perspective view of a preferred embodiment of the present invention.

FIG. 2 is a side view, partially in section, of a preferred embodiment of the present invention.

Fig. 3 is an exploded perspective view of the preferred embodiment of the present invention.

Fig. 4 is a further exploded perspective view of fig. 3.

Fig. 5 is a quarter perspective sectional view of the top cover, the fixing plate, the driver, the first housing, and the electrical connection assembly according to the preferred embodiment of the invention.

Fig. 6 is an exploded perspective view of fig. 5.

FIG. 7 is a side view, partially in cross-section, of a second housing, a projection assembly and a locking member in accordance with a preferred embodiment of the present invention.

Fig. 8 is an exploded perspective view of the second housing, the projection assembly and the locking member according to the preferred embodiment of the invention.

FIG. 9 is a schematic diagram illustrating an implementation state of the preferred embodiment of the invention.

Description of reference numerals:

10 lampshade 11 seat

12 cover body 121 accommodating space

13 top cover 131 hanging ring

20 power panel 30 fixing plate

40 driver 41 spindle

50 projection module 51 rotary base

511: a first shell 512: a second shell

513 combining hole 514 setting groove

515 clamping groove 516 bolt

52 light emitting module 521 heat radiation plate

522 light-emitting source 523 condensing lens

53 projection assembly 531 first semi-cylinder

532 second half cylinder 534 convex column

535

accommodating grooves

536A, 536B positioning grooves

537A, 537B,

clamping blocks

538A, 538B, perforated columns

539A, 539B, positioning column 54, film sheet

55 pressing plate 551 concave part

552, through hole 553, through hole

56 imaging lens 57 locking part

60 fixing part 70 electric connection component

71 positive torsion spring 72 first conductive sleeve

721 first connecting part 73 negative torsion spring

74 second conductive cover 75 conductive sheet

751 the second connecting part

Detailed Description

The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may be present.

The technical means adopted by the invention to achieve the predetermined object of the invention are further described below with reference to the drawings and the preferred embodiments of the invention.

The present invention relates to a rotary projection lamp, and more particularly to a rotary projection lamp as shown in fig. 1, fig. 2 and fig. 6, which comprises a lamp housing 10, a power board 20, a fixing board 30, a driver 40, a projection module 50, a fixing member 60 and an electrical connection assembly 70, wherein:

as shown in fig. 1 to 3, the lampshade 10 includes a base 11, a cover 12 and a top cover 13. The base 11 is disposed at the bottom of the lamp housing 10. The bottom edge of the cover 12 is embedded in the top edge of the base 11, and the cover 12 is surrounded by a transparent plate, and the cover 12 surrounds an accommodation space 121. The top cover 13 is arranged on the top of the lampshade 10, and the top edge of the cover body 12 is embedded on the bottom edge of the top cover 13; further, the top cover 13 is provided with a hanging ring 131, and the hanging ring 131 is arranged at the top end of the top cover 13. In the preferred embodiment of the present invention, the base 11 and the cover 12 are both quadrilateral, and in other preferred embodiments, the shapes of the base 11 and the cover 12 can be circular or polygonal without limitation, so long as the base 11 and the cover 12 can be combined.

As shown in fig. 1, 2 and 6, the power board 20 is combined on a side of the top cover 13 of the lamp housing 10 facing the base 11.

As shown in fig. 1, 2, 5 and 6, the fixing plate 30 is combined on one side of the top cover 13 of the lamp shade 10 facing the base body 11 and is spaced from the power board 20, and a space is formed between the fixing plate 30 and the top cover 13.

As shown in fig. 1, 2, 5 and 6, the driver 40 is disposed in the space formed between the fixing plate 30 and the top cover 13 and locked on the fixing plate 30, so that the driver 40 is located in the lamp housing 10 and electrically connected to the power board 20, the driver 40 is provided with a spindle 41, and the spindle 41 penetrates through the fixing plate 30 and extends into the accommodating space 121 surrounded by the cover 12. The power board 20 is connected to an external power source and then supplies power to the driver 40 to rotate the spindle 41 of the driver 40.

As shown in fig. 1 to 4, the projection module 50 is combined with the spindle 41 of the driver 40, located in the accommodating space 121, located above the base 11, and can be driven by the driver 40 to rotate, and the projection module 50 is provided with a rotating base 51, a light emitting element 52, at least two projection elements 53, and a locking element 57. As shown in fig. 2, 4 and 6, the rotary base 51 is combined with the spindle 41 of the driver 40 and is provided with a first shell 511, a second shell 512 and at least one bolt 516; the first shell 511 is sleeved outside the mandrel 41 of the driver 40, and the fixing member 60 is combined with the portion of the mandrel 41 extending into the first shell 511, so that the first shell 511 is supported by the fixing member 60 without falling off, in the preferred embodiment of the invention, the fixing member 60 is an anti-slip nut; as shown in fig. 2, 7 and 8, the second housing 512 is combined with the first housing 511 at a side away from the driver 40, and is provided with a combining hole 513 and at least two setting grooves 514, as shown in fig. 7, the combining hole 513 is formed on the second housing 512, the at least two setting grooves 514 are formed on the second housing 512 at intervals, each setting groove 514 is provided with a fastening groove 515, and the fastening groove 515 is formed in the setting groove 514 adjacent to the combining hole 513; as shown in fig. 4, the at least one bolt 516 penetrates through the second housing 512 and the first housing 511, so that the second housing 512 and the first housing 511 are combined into the rotating base 51.

As shown in fig. 2 and fig. 6, the light emitting element 52 is combined in the first housing 511 of the rotary base 51, and is provided with a heat dissipating plate 521, a light emitting source 522 and a condensing lens 523; the heat dissipation plate 521 is disposed in the first housing 511 and partially penetrates through the top surface of the first housing 511; the Light source 522 is disposed in the first housing 511, electrically connected to the power board 20, and disposed in close contact with the heat sink 521, the power board 20 provides power to the Light source 522 after being connected to an external power source, so that the Light source 522 emits Light, and further the Light source 522 is a Light-emitting diode (LED) lamp panel; the condensing lens 523 is disposed in the first housing 511, is disposed on a side of the light source 522 away from the heat dissipating plate 521, and is spaced apart from the light source 522, and light emitted by the light source 522 is refracted and approaches the condensing lens 523 after passing through the condensing lens 523, so that the condensing lens 523 has a condensing effect.

As shown in fig. 2, 7 and 8, each projection assembly 53 is disposed in one of the disposing grooves 514 of the second casing 512, such that the at least two projection assemblies 53 are disposed on one side of the condenser lens 523 away from the light source 522 and disposed at intervals, and each projection assembly 53 is provided with a positioning sleeve, a film 54, a pressing plate 55 and at least one imaging lens 56; the positioning sleeve is disposed in the corresponding disposing groove 514 of the second housing 512, and has a first half cylinder 531 and a second half cylinder 532, the first cylinder body 531 has a plurality of protruding posts 534, at least one positioning groove 536A, a locking block 537A, a through hole 538A and a positioning post 539A, the plurality of convex columns 534 are disposed at intervals on a surface of the first cylinder 531 facing the second cylinder 532, the at least one positioning groove 536A is concavely formed on the inner surface of the first half cylinder 531, the catch block 537A is convexly formed on the outer surface of the first half cylinder 531, and the contour of the blocking block 537A matches with the contour of the blocking groove 515 of the setting groove 514, so that the blocking block 537A can be blocked in the blocking groove 515, the through hole 538A protrudes from the outer surface of the first half cylinder 531 and is spaced apart from the catch block 537A, and the positioning post 539A protrudes from the top of the first half cylinder 531.

As shown in fig. 7 and 8, the second half cylinder 532 has a plurality of receiving grooves 535, at least one positioning groove 536B, a positioning post 539B, a blocking block 537B and a through-hole post 538B, the plurality of receiving grooves 535 are concavely formed on one surface of the second half cylinder 532 facing the first half cylinder 531, each receiving groove 535 is disposed corresponding to one of the posts 534 and can receive the post 534, the first half cylinder 531 is combined with the corresponding receiving groove 535 of the second half cylinder 532 through each post 534, so that the first half cylinder 531 and the second half cylinder 532 can be combined into the positioning sleeve, the at least one positioning groove 536B is concavely formed on the inner surface of the second half cylinder 532 and is linearly opposite to the at least one positioning groove 536A of the first half cylinder 531, after the first half cylinder 531 and the second half cylinder 532 are combined, the at least one positioning groove 536A and the at least one positioning groove 536B are combined together, the positioning post 539B is protruded on the top of the second half cylinder 532, the engaging block 537B and the through-hole post 538B are disposed on the second half cylinder 532 at positions symmetrical to the engaging block 537A and the through-hole post 538A of the first half cylinder 531, the engaging block 537B and the engaging block 537A together form an engaging set protruded on the outer surface of the positioning sleeve, and the engaging set is engaged with the engaging groove 515.

As shown in fig. 7 and 8, the film 54 is disposed on one side of the positioning sleeve adjacent to the catch blocks 537A, 538B, and the film 54 has a pattern thereon. The pressing plate 55 is disposed on the film 54, and the pressing plate 55 has two concave portions 551, two through holes 552 and a through hole 553; the two concave portions 551 are formed at intervals on the pressing plate 55, and each concave portion 551 is linearly opposite to the positioning post 539A of the first half cylinder 531 or the positioning post 539B of the second half cylinder 532; each through hole 552 penetrates the pressing plate 55 and is linearly opposite to the through hole 538A of the first half cylinder 531 or the through hole 538B of the second half cylinder 532; the through hole 553 penetrates the pressure plate 55, and the two concave portions 551 and the two through holes 552 surround the through hole 553; to position the film 54 in the positioning sleeve, the two

positioning posts

539A, 539B are first passed through the two recesses 551 of the pressing plate 55, and then two bolts are passed through the two through holes 552 of the pressing plate 55 and the two through

hole posts

538A, 538B of the positioning sleeve, so that the pressing plate 55 is coupled to the positioning sleeve, and the film 54 is interposed between the positioning sleeve and the pressing plate 55 and coupled to the positioning sleeve.

As shown in fig. 2, 7 and 8, the at least one imaging lens 56 is combined in the annular groove formed by the at least one positioning groove 536A and the at least one positioning groove 536B and is disposed on a side of the film 54 away from the light source 522. Thus, after the light passing through the condenser lens 523 passes through the film 54 and the at least one imaging lens 56, the pattern on the film 54 can be projected.

As shown in fig. 7 and 8, the locking member 57 is engaged with the engaging hole 513 of the second housing 512, so as to press the two retaining

blocks

537A, 537B of the positioning sleeve of each projection assembly 53 against the corresponding retaining groove 515, thereby positioning each projection assembly 53 on the second housing 512.

As shown in fig. 7 and 8, in the preferred embodiment of the present invention, the first half cylinder 531 of each projection module 53 is provided with two positioning grooves 536A, the two positioning grooves 536A are spaced apart, the second half cylinder 532 is provided with two positioning grooves 536B, each positioning groove 536B is linearly opposite to one positioning groove 536A of the first half cylinder 531, and forms two annular grooves; each projection assembly 53 is provided with two imaging lenses 56, the two imaging lenses 56 are respectively arranged in the two annular grooves and are arranged at intervals, wherein the imaging lens 56 far away from the film 54 can enlarge the image projected by the imaging lens 56 near the film 54. The second housing 512 has four setting grooves 514; the projection module 50 is provided with four projection components 53, and each projection component 53 is disposed in one of the disposing grooves 514.

As shown in fig. 2, 5 and 6, the electrical connection assembly 70 has a positive torsion spring 71, a first conductive sleeve 72, a negative torsion spring 73, a second conductive sleeve 74 and a conductive sheet 75. The positive torsion spring 71 is coupled to the fixing plate 30, and one end of the positive torsion spring 71 is electrically connected to the positive terminal of the power board 20 through a wire. The first conductive sleeve 72 is sleeved on the portion of the first housing 511 sleeved on the spindle 41 of the driver 40, and surrounds the spindle 41, and a first connection portion 721 is provided, the other end of the positive torsion spring 71 abuts against the first conductive sleeve 72, and the first connection portion 721 is electrically connected to the positive contact of the light source 522 through a wire. The negative torsion spring 73 is combined with the fixing plate 30 and spaced from the positive torsion spring 71, and one end of the negative torsion spring 73 is electrically connected to the negative terminal of the power panel 20 through a wire. The second conductive sleeve 74 is sleeved on the spindle 41 and located above the first conductive sleeve 72 at intervals, and the other end of the negative torsion spring 73 abuts against the second conductive sleeve 74. The conducting strip 75 is sleeved on the mandrel 41 and disposed between the first housing 511 and the fixing member 60, and has a second connecting portion 751, wherein the second connecting portion 751 is electrically connected to the negative contact of the light source 522 through a wire. The current can sequentially flow from the power board 20 through the positive torsion spring 71, the first conductive sleeve 72, the light source 522, the conductive sheet 75, the spindle 41, the second conductive sleeve 74 and the negative torsion spring 73, and finally flow back to the power board 20 to form a loop, so that the driver 40 can conduct the current to the light source 522 during the process of driving the projection module 50 to rotate together, and the occurrence of a twisted wire can be avoided.

In the preferred embodiment of the present invention, the positive torsion spring 71 and the negative torsion spring 73 are both conductive and elastic, so that during the rotation of the spindle 41, the positive torsion spring 71 can abut against the first conductive sleeve 72, and the negative torsion spring 73 can abut against the second conductive sleeve 74, so that the contact state is good.

As shown in fig. 2, 7 and 9, when the present invention is used, power is input into the power board 20, and the power board 20 supplies power to the driver 40 and the light emitting source 522 of the light emitting assembly 52. The spindle 41 of the driver 40 rotates and drives the projection module 50 to rotate in its entirety. Meanwhile, the light emitted from the light source 522 passes through the condensing lens 523 to be condensed, and then passes through the through hole 553 of the pressing plate 55 of each projection assembly 53, the film 54 and the two imaging lenses 56 to project the patterns on the film 54, so that each pattern is emitted out of the lampshade 10 through the cover body 12. Since the projection module 50 continues to rotate while the pattern on the film 54 is projected, the projected pattern continues to rotate as shown in fig. 9.

The user can adjust the light color of the light source 522 and the patterns on the films 54 according to the actual requirements, and the patterns on the films 54 can be different, so as to achieve different projection effects. The invention can be used as a ground stage lamp, a hanging projection lamp, a handheld projection lamp or a street lamp.

because the spindle 41 of the driver 40 of the present invention is combined with the projection module 50, when the present invention is used, the spindle 41 can drive the projection module 50 to rotate in a whole set, the light emitting element 52 and the film 54 in the projection module 50 rotate together with the at least one imaging lens 56, and the projected pattern rotates around a center on the ground or wall as shown in fig. 9.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited to the embodiments, and various changes and modifications can be made by those skilled in the art without departing from the scope of the invention.

Claims

1. A rotary projection lamp, comprising:

a lamp shade;

a power panel, which is combined with the lampshade;

the driver is combined on the fixing plate, is positioned in the lampshade and is electrically connected with the power panel, and is provided with a mandrel;

2. The rotary projection lamp of claim 1, wherein each projection module has two of the imaging lenses spaced apart from each other and disposed on a side of the film away from the light source.

3. The rotary projection lamp as claimed in claim 1 or 2, wherein the rotary base is provided with at least two setting grooves formed at intervals in the rotary base; the positioning sleeve of each projection assembly is arranged in one of the arrangement grooves of the rotating base.

4. The rotary projection lamp of claim 3, wherein each of the setting grooves has a locking groove; the positioning sleeve is provided with a clamping group, and the clamping group is convexly arranged on the outer surface of the positioning sleeve and clamped in the clamping groove.

5. The rotary projection lamp as claimed in claim 4, wherein the rotary base is provided with a coupling hole formed therein, the engaging groove of each of the setting grooves being adjacent to the coupling hole; the projection module is provided with a locking piece which is combined with the combination hole and can press the clamping group of the positioning sleeve of each projection assembly against the corresponding clamping groove.

6. The rotary projection lamp as claimed in claim 3, wherein each projection module has a pressing plate, the pressing plate is coupled to the positioning sleeve, and the film is coupled to the positioning sleeve by being interposed between the positioning sleeve and the pressing plate.

7. The rotary projection lamp of claim 3, wherein the positioning sleeve of each projection assembly has a first half cylinder and a second half cylinder, the first half cylinder and the second half cylinder combine to form the positioning sleeve, and each imaging lens is disposed between the first half cylinder and the second half cylinder.

8. The rotating projection lamp as claimed in claim 1 or 2, wherein the lamp housing is provided with a hanging ring, and the hanging ring is provided at a top end of the lamp housing.