A lamp that is convenient for adjusting lighting areas

Abstract

The invention discloses a lamp for conveniently adjusting a lighting area, comprising a shell, an LED light source and a focusing convex lens installed in the shell, and characterized in that: the shell comprises a focusing lens barrel and a lamp holder, the LED light source is installed in the lamp holder, the focusing convex lens is installed in the focusing lens barrel, and the focusing lens barrel and the lamp holder are threadedly connected; the light of the LED light source is refracted by the focusing convex lens and then emitted out of the lamp, and the light is uniform; by rotating the focusing lens barrel and adjusting the distance between the focusing convex lens and the LED light source in the focusing convex lens, the size of the lighting area of ​​the lamp can be conveniently changed.

Description

Technical Field

[0001] The invention relates to a lighting fixture, in particular to a lighting fixture which is convenient for adjusting the lighting area. Background Art

[0002] Existing LED lighting lamps include a housing and an LED light source installed in the housing. The light of the LED light source is diffused from the housing. However, the light of a general LED lighting lamp is not concentrated enough. The light intensity gradually decreases from the center to the periphery, and there is no obvious lighting boundary. Summary of the invention

[0003] The invention provides a lighting lamp, which is used to solve the problem of insufficient concentration of lighting in the prior art.

[0004] The technical solution of the present invention is achieved in this way:

[0005] The purpose of the present invention is to provide a lamp that is convenient for adjusting the lighting area, including a shell and an LED light source and a focusing convex lens installed in the shell, and the characteristic is that: the shell includes a focusing lens barrel and a lamp holder, the LED light source is installed in the lamp holder, the focusing convex lens is installed in the focusing lens barrel, and the focusing lens barrel and the lamp holder are threadedly connected.

[0006] The above-mentioned focusing lens barrel and lamp holder are also covered with a sleeve, a circumferential limiting mechanism is provided between the sleeve and the lamp holder, and an axial limiting mechanism is provided between the focusing lens barrel and the sleeve. The axial limiting mechanism enables the focusing lens barrel and the sleeve to be movably connected. When the focusing lens barrel rotates, it is restricted by the circumferential limiting mechanism, and the lamp holder cannot rotate with the focusing lens barrel, but can move axially relative to the focusing lens barrel.

[0007] The circumferential limiting mechanism mentioned above comprises at least one axial slide rail arranged on the outer circumferential surface of the sleeve, and the lamp holder is protruded with a bump, which is stuck in the axial slide rail to limit the circumferential rotation of the lamp holder relative to the sleeve.

[0008] The outer peripheral surface of the sleeve is provided with a guide piece, and the axial slide rail is arranged on the guide piece.

[0009] The above-mentioned axial limiting mechanism includes an annular groove on the outer peripheral surface of the focusing lens barrel, and a clamping block protrudes from the inner wall surface of the sleeve, and the clamping block is pressed in the groove to limit the axial movement of the focusing lens barrel and the sleeve.

[0010] The above-mentioned axial limiting mechanism includes a limiting screw arranged on the outer peripheral surface of the focusing lens barrel, which is limited against one side of the sleeve.

[0011] A fixed lens barrel is also installed in the above-mentioned lamp holder, and a film, a first convex lens and a second convex lens are installed in the fixed lens barrel. A light-transmitting hole is provided in the film. The first convex lens is close to the LED light source, and the film is arranged between the first convex lens and the second convex lens.

[0012] The fixed lens barrel is provided with a stepped hole, with a large hole section and a small hole section formed on both sides of the stepped hole. The film is installed in the large hole section, and the outer edge of the light-transmitting hole is in point contact with the inner wall of the small hole section.

[0013] A face ring is also installed outside the focusing lens barrel.

[0014] The above-mentioned face ring is provided with a first screw hole, and the sleeve is provided with a second screw hole corresponding to the first screw hole. Fixing screws are installed in the first screw hole and the second screw hole. The tail of the fixing screw passes through the face ring and the sleeve to form the block, and the block is against the groove.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. The lamp with convenient adjustment of lighting area comprises a shell, an LED light source and a focusing convex lens installed in the shell, and is characterized in that: the shell comprises a focusing lens barrel and a lamp holder, the LED light source is installed in the lamp holder, the focusing convex lens is installed in the focusing lens barrel, and the focusing lens barrel and the lamp holder are threadedly connected; the light of the LED light source is refracted by the focusing convex lens and then emitted out of the lamp, and the light is uniform; by rotating the focusing lens barrel and adjusting the distance between the focusing convex lens and the LED light source in the focusing convex lens, the size of the lighting area of ​​the lamp can be conveniently changed.

[0017] 2. Other advantages of the present invention are described in detail in the embodiment section. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 An exploded view of the lighting lamp provided in the first embodiment of the present invention;

[0019] Figure 2 A cross-sectional view of the lighting lamp provided in the first embodiment of the present invention;

[0020] Figure 3 It is an exploded schematic diagram of a fixed lens barrel in a lighting lamp;

[0021] Figure 4 It is a front view of a film with an elliptical light-transmitting hole in the lighting lamp;

[0022] Figure 5 It is a front view of a film with a triangular light-transmitting hole in the lighting lamp;

[0023] Figure 6 It is a front view of a film with four light-transmitting holes in the lighting lamp;

[0024] Figure 7 It is a front view of a film with hexagonal light-transmitting holes in the lighting lamp;

[0025] Figure 8A front view of a film having a circular light-transmitting hole with a wavy edge in a lighting lamp;

[0026] Fig. 9 This is a cross-sectional view of the lighting lamp provided in the second embodiment of the present invention. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Embodiment 1:

[0029] like Figures 1 to 3 As shown, the present embodiment provides a lamp for conveniently adjusting the lighting area, comprising a housing, an LED light source 4 and a focusing convex lens 23 installed in the housing, characterized in that: the housing comprises a focusing lens barrel 11 and a lamp holder 13, the LED light source 4 is installed in the lamp holder 13, the focusing convex lens 23 is installed in the focusing lens barrel 11, and the focusing lens barrel 11 and the lamp holder 13 are threadedly connected. The focusing lens barrel 11 and the lamp holder 13 are reliably connected and conveniently adjusted, the light of the LED light source is refracted by the focusing convex lens and then emitted out of the lamp, and the light is uniform; by adjusting the relative position of the focusing lens barrel 11 and the lamp holder 13, the spacing between the focusing convex lens 23 and the LED light source 4 can be adjusted, thereby changing the size of the lighting area of ​​the lamp.

[0030] The above-mentioned focusing lens barrel 11 and lamp holder 13 are also equipped with a sleeve 14, a circumferential limiting mechanism 51 is provided between the sleeve 14 and the lamp holder 13, and an axial limiting mechanism 52 is provided between the focusing lens barrel 11 and the sleeve 14. The axial limiting mechanism 52 makes the focusing lens barrel 11 and the sleeve 14 movably connected. When the focusing lens barrel 11 rotates, it is restricted by the circumferential limiting mechanism 51, and the lamp holder 13 cannot move axially relative to the focusing lens barrel 14 with the rotation of the focusing lens barrel 11. Therefore, the lamp holder 13 moves axially relative to the sleeve 14, and the distance between the focusing convex lens 23 and the LED light source 4 changes, which makes the adjustment more convenient.

[0031] The circumferential limiting mechanism 51 comprises at least one axial slide rail 142 arranged on the outer circumference of the sleeve 14 . The lamp holder 13 is provided with a protrusion 131 . The protrusion 131 is stuck in the axial slide rail 142 to limit the circumferential rotation of the lamp holder 13 relative to the sleeve 14 .

[0032] A guide piece 141 is installed on the outer peripheral surface of the sleeve 14 , and the axial slide rail 142 is arranged on the guide piece 141 .

[0033] The axial limiting mechanism 52 includes an annular groove 111 formed on the outer circumference of the focusing lens barrel 11 , and a block 143 protruding from the inner wall of the sleeve 14 . The block 143 abuts against the groove 111 to limit the axial movement of the focusing lens barrel 11 and the sleeve 14 .

[0034] The lamp holder 14 is also provided with a fixed lens barrel 13, in which a film 3, a first convex lens 21 and a second convex lens 22 are installed. A light-transmitting hole 31 is provided in the film 3. The first convex lens 21 is close to the LED light source 4, and the film 3 is arranged between the first convex lens 21 and the second convex lens 22. The film 3 makes the lighting area of ​​the lighting lamp have a clear boundary, creating a lighting effect with a large contrast.

[0035] The fixed lens barrel 13 is provided with a stepped hole 16, with a large hole section 161 and a small hole section 162 formed on both sides of the stepped hole 16. The film 3 is installed in the large hole section 161, and the outer edge of the light-transmitting hole 31 is in point contact with the inner wall of the small hole section 162. The light of the LED light source 4 is emitted out of the housing as much as possible, reducing the consumption of light energy.

[0036] like Figures 4 to 8 As shown, the light-transmitting hole 31 can be elliptical, triangular, quadrilateral, hexagonal, circular with wavy edges, etc.

[0037] A face ring 15 is also mounted outside the focusing lens barrel 11. The face ring 15 makes the lamp more beautiful.

[0038] The face ring 15 is provided with a first screw hole 151, and the sleeve 14 is provided with a second screw hole 144 corresponding to the first screw hole 151. The first screw hole 151 and the second screw hole 144 are provided with fixing screws 17. The tail of the fixing screw 17 passes through the face ring 15 and the sleeve 14 to form the clamping block 143, and the clamping block 143 is against the groove 131. The structure is simple and the installation is convenient.

[0039] The focusing convex lens 23 is a double convex lens, and the first convex lens 21 and the second convex lens 22 are both plano-convex lenses, and the plane of the plano-convex lens faces the LED light source 4 .

[0040] The inner wall surfaces of the focusing lens barrel 11 and the fixed lens barrel 12 are coated with black paint. The black paint reduces the reflection of light on the inner wall surface, further ensuring that the boundary of the illumination area is clear.

[0041] The lighting lamp of the present invention can be used for indoor lighting or outdoor lighting, such as ceiling lamp, street lamp, wall washer lamp, etc.

[0042] Embodiment 2:

[0043] like Fig. 9As shown, the lamp for conveniently adjusting the lighting area provided in this embodiment is similar to the lamp for conveniently adjusting the lighting area described in the first embodiment, except that:

[0044] The face ring 15 and the sleeve 14 are fixed by fixing screws 17. The axial limiting mechanism 52 includes a limiting screw 145 arranged on the outer peripheral surface of the focusing barrel 11. The limiting screw 145 abuts against one side of the sleeve 14. The limiting screw 145 enables axial movement between the focusing barrel 11 and the sleeve.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lamp for conveniently adjusting the lighting area, comprising a housing, an LED light source and a focusing convex lens installed in the housing, characterized in that: The housing comprises a focusing lens barrel and a lamp holder, the LED light source is installed in the lamp holder, the focusing convex lens is installed in the focusing lens barrel, and the focusing lens barrel and the lamp holder are threadedly connected; The focusing lens barrel and the lamp holder are also provided with a sleeve, a circumferential limiting mechanism is provided between the sleeve and the lamp holder, and an axial limiting mechanism is provided between the focusing lens barrel and the sleeve, the axial limiting mechanism enables the focusing lens barrel and the sleeve to be movably connected, and when the focusing lens barrel rotates, it is restricted by the circumferential limiting mechanism, and the lamp holder cannot rotate with the focusing lens barrel, but moves axially relative to the focusing lens barrel; The circumferential limiting mechanism includes at least one axial slide rail arranged on the outer circumferential surface of the sleeve, and the lamp holder is protruded with a bump, which is stuck in the axial slide rail to limit the circumferential rotation of the lamp holder relative to the sleeve; The outer peripheral surface of the sleeve is provided with a guide piece, and the axial slide rail is arranged on the guide piece; The axial limiting mechanism comprises an annular groove on the outer peripheral surface of the focusing lens barrel, and a clamping block protrudes from the inner wall surface of the sleeve, and the clamping block abuts in the groove to limit the axial movement of the focusing lens barrel and the sleeve.

2. A lamp for conveniently adjusting the lighting area according to claim 1, characterized in that: A fixed lens barrel is also installed in the lamp holder, and a film, a first convex lens and a second convex lens are installed in the fixed lens barrel. A light-transmitting hole is provided in the film, the first convex lens is close to the LED light source, and the film is arranged between the first convex lens and the second convex lens.

3. A lamp for conveniently adjusting the lighting area according to claim 2, characterized in that: The fixed lens barrel is provided with a stepped hole, with a large hole section and a small hole section formed on both sides of the stepped hole. The film is installed in the large hole section, and the outer edge of the light-transmitting hole is in point contact with the inner wall of the small hole section.

4. The lamp for conveniently adjusting the lighting area according to claim 3, characterized in that: A face ring is also installed outside the focusing lens barrel.

5. The lamp for conveniently adjusting the lighting area according to claim 4, characterized in that: The face ring is provided with a first screw hole, and the sleeve is provided with a second screw hole corresponding to the first screw hole. Fixing screws are installed in the first screw hole and the second screw hole. The tail of the fixing screw passes through the face ring and the sleeve to form the block, and the block is against the groove.

6. A lamp for conveniently adjusting the lighting area, comprising a housing, an LED light source and a focusing convex lens installed in the housing, characterized in that: The housing comprises a focusing lens barrel and a lamp holder, the LED light source is installed in the lamp holder, the focusing convex lens is installed in the focusing lens barrel, and the focusing lens barrel and the lamp holder are threadedly connected; The focusing lens barrel and the lamp holder are also provided with a sleeve, a circumferential limiting mechanism is provided between the sleeve and the lamp holder, and an axial limiting mechanism is provided between the focusing lens barrel and the sleeve, the axial limiting mechanism enables the focusing lens barrel and the sleeve to be movably connected, and when the focusing lens barrel rotates, it is restricted by the circumferential limiting mechanism, and the lamp holder cannot rotate with the focusing lens barrel, but moves axially relative to the focusing lens barrel; The circumferential limiting mechanism includes at least one axial slide rail arranged on the outer circumferential surface of the sleeve, and the lamp holder is protruded with a bump, which is stuck in the axial slide rail to limit the circumferential rotation of the lamp holder relative to the sleeve; The outer peripheral surface of the sleeve is provided with a guide piece, and the axial slide rail is arranged on the guide piece; The axial limiting mechanism comprises a limiting screw arranged on the outer peripheral surface of the focusing lens barrel, and the limiting screw abuts against one side of the sleeve.

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