CN216769142U - Lamp holder and desk lamp with same - Google Patents

Abstract

The utility model provides a lamp cap and a desk lamp with the lamp cap, wherein the lamp cap comprises a first light-emitting assembly, a second light-emitting assembly and a connecting part, the first light-emitting assembly comprises a first shell and a first lampshade covering the first shell, a first circuit board and a first light-emitting element in conductive connection with the first circuit board are arranged in the first shell, the second light-emitting assembly is arranged on the outer side of the first light-emitting assembly in a surrounding mode, the composition part of the second light-emitting assembly is similar to that of the first light-emitting assembly, the first light-emitting assembly and the second light-emitting assembly are fixedly connected through the connecting part, and the colors of light emitted by the first light-emitting element and the second light-emitting element are different. The utility model solves the problem that the traditional lamp holder is usually matched with only one color of light and can not be switched when different use scenes are faced.

Description

Lamp holder and desk lamp with same

Technical Field

The utility model belongs to the technical field of lighting, and particularly relates to a lamp holder and a desk lamp with the same.

Background

With the development of society and the progress of times, lighting devices are widely visible in life and are indispensable, wherein the lighting devices are generally in the form of lamps, and modern lamps comprise household lighting, commercial lighting, industrial lighting, road lighting, landscape lighting, special lighting and the like. Home lighting has emerged from the birth of electricity as the earliest incandescent bulbs, followed by fluorescent tubes, and then to energy saving lamps, halogen tungsten lamps, gas discharge lamps, and LED lights of special materials, etc.

Among them, the desk lamp is one of the most common and the lightest lamps in lighting, and is mainly used for indoor lighting, and in general, when reading is needed, the eyes are less irritated by using soft yellow light with certain intensity, and when a large-range lighting is needed, white light with high intensity is usually preferred.

In the prior art, most desk lamps are usually matched with light of one color, only yellow light or white light can be emitted, and the desk lamps cannot be well adapted to reading and scene conversion requiring large-range illumination.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide a lamp holder, and aims to solve the problems that in the prior art, the traditional lamp holder is usually only matched with light of one color, cannot be switched when different use scenes are faced, and needs to be matched with other lamps for use together.

The lamp cap provided by the utility model comprises a first light-emitting component, a second light-emitting component and a connecting part, wherein the first light-emitting component comprises a first shell and a first lampshade covering the first shell, a first circuit board and a first light-emitting element in conductive connection with the first circuit board are arranged in the first shell, the second light-emitting component is arranged on the outer side of the first light-emitting component in a surrounding mode, the second light-emitting component comprises a second shell and a second lampshade covering the second shell, a second circuit board and a second light-emitting element in conductive connection with the second circuit board are arranged in the second shell, the first light-emitting component and the second light-emitting component are fixedly connected through the connecting part, and the colors of light rays emitted by the first light-emitting element and the second light-emitting element are different.

The lamp cap is characterized in that the lamp cap is provided with a first light-emitting assembly consisting of a first circuit board which is fixedly arranged on the first shell and is provided with a first light-emitting element, a first lampshade which is covered with the first shell, a second light-emitting assembly which is arranged on the outer side of the first light-emitting assembly in a surrounding manner and consists of a second circuit board which is fixedly arranged on the second shell and is provided with a second light-emitting element, a second lampshade which is covered with the second shell, and a connecting part which connects the first light-emitting assembly and the second light-emitting assembly, the integrated structure carries two lights with different colors on one lamp cap, when reading is needed, the first light-emitting assembly with certain soft strength can be used, when large-range lighting is needed, the second light-emitting assembly with high brightness can be switched, and therefore the lamp cap can be well adapted to scene conversion of reading and large-range lighting is needed.

Furthermore, the bottom of the first shell is provided with a first heat dissipation part and a second heat dissipation part which extends outwards from the first heat dissipation part, the first heat dissipation part is provided with a first heat dissipation hole, and the second heat dissipation part is provided with a second heat dissipation hole.

Furthermore, the second heat dissipation part is buckled with an ash shielding plate, an enclosure wall extends outwards from the periphery of the second heat dissipation part, the enclosure wall and the second heat dissipation part form an accommodating groove, the ash shielding plate is embedded in the accommodating groove, and the first heat dissipation hole is arranged around the second heat dissipation part.

Furthermore, the second heat dissipation part extends out of a first fixing part with an internal thread towards the first circuit board, a first mounting hole matched with the first fixing part is formed in the first circuit board, and the first circuit board is fixedly connected with the first shell through the first fixing part.

Furthermore, the first light-emitting component further comprises a light-gathering part arranged at the light-emitting end of the first light-emitting element and arranged on the first circuit board, a second mounting hole is formed in the light-gathering part and communicated with the first mounting hole, and the second mounting hole is used for fixedly connecting the light-gathering part with the first circuit board.

Further, the light-gathering part is an arc body protruding out of the first circuit board, and the first light-emitting element is not completely wrapped by the arc body.

Furthermore, the second light-emitting element is circumferentially arranged on the second circuit board, a third mounting hole is formed in the second circuit board, a second fixing portion with internal threads is further included in the second shell, and the second circuit board and the second fixing portion are fixed through the third mounting hole.

Furthermore, the first shell and the second shell are connected through the connecting portion, the connecting portion is far away from the opening of the light-gathering portion, a wire-outgoing hole is further formed in the connecting portion, and power lines of the first circuit board and the second circuit board are led out from the wire-outgoing hole.

In addition, the utility model further provides a desk lamp which comprises a lamp holder and a lamp holder arranged on the lamp holder, wherein one end, far away from the lamp holder, of the lamp holder is connected with the lamp cap.

Other advantages and technical effects of the lamp cap and the desk lamp with the lamp cap according to the embodiment of the utility model are described in detail in the detailed description.

Drawings

Fig. 1 is an exploded view of a lamp cap according to a first embodiment of the present invention;

fig. 2 is an exploded view of a first light-emitting assembly soot-shielding plate in a lamp cap according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a receiving groove in a lamp cap according to a first embodiment of the utility model;

FIG. 4 is an exploded view of a first light assembly in a lamp head provided in accordance with a first embodiment of the utility model;

FIG. 5 is an exploded view of a second light emitting assembly in the lamp base provided by the first embodiment of the present invention;

fig. 6 is a perspective view of a desk lamp according to a second embodiment of the utility model.

Description of the main element symbols:

the following detailed description will further illustrate the utility model in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" 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 also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a lamp cap according to a first embodiment of the present invention is shown, the lamp cap includes a firstlight emitting element 1 emitting yellow light, a secondlight emitting element 2 emitting white light, and a connectingportion 3 fixedly connecting the first light emitting element and the second light emitting element, wherein:

the firstlight emitting assembly 1 includes a firstlight emitting element 11, afirst circuit board 12, afirst lampshade 13 and afirst housing 14, in this embodiment, the firstlight emitting element 11 is an LED lamp emitting yellow light, thefirst housing 14 is a cylindrical cavity, thefirst circuit board 12 is a PCB circuit board, the bottom of thefirst housing 14 is provided with a firstheat dissipating portion 141 and a secondheat dissipating portion 142 extending outward from the firstheat dissipating portion 141, the firstheat dissipating portion 141 is provided with a plurality of strip-shaped firstheat dissipating holes 1411 and is disposed around the secondheat dissipating portion 142, the secondheat dissipating portion 142 is provided with a plurality of circular secondheat dissipating holes 1422, it can be understood that heat emitted by the lamp head during operation can be discharged from the firstheat dissipating holes 1411 and the secondheat dissipating holes 1422, so that the temperature of the lamp head is not too high, in addition, the periphery of the secondheat dissipating portion 142 extends outward to form a surroundingwall 1421, and the surroundingwall 1421 and the secondheat dissipating portion 142 form a receivinggroove 147, theaccommodating groove 147 is disposed with adust shielding plate 146 engaged therewith, which can block a portion of dust in the air from entering the firstlight emitting assembly 1.

Furthermore, thesecond heat sink 142 extends toward thefirst circuit board 221 to form threefirst fixing portions 143 with internal threads, and thefirst fixing portions 143 are adapted to thefirst mounting holes 121 formed in thefirst circuit board 221.

Specifically, one firstlight emitting element 11 is arranged and electrically connected to the center of thefirst circuit board 221, and heat generated by the operation of the firstlight emitting element 11 and thefirst circuit board 221 can be dissipated through the firstheat dissipating part 141 and the secondheat dissipating part 142 which are located above the firstlight emitting element 11 and thefirst circuit board 221, so that the service life of the firstlight emitting element 11 is prolonged.

In the embodiment, a light-gathering portion 144 is disposed right below the first light-emittingelement 11, asecond mounting hole 145 is disposed on the light-gathering portion 144, and thesecond mounting hole 145 is matched with thefirst fixing portion 143, and thesecond mounting hole 145 and thefirst fixing portion 143 are sequentially inserted through thesecond mounting hole 145 and thefirst mounting hole 121 by screws, and finally thefirst fixing portion 143 with the internal thread is rotatably inserted, so that the light-gathering portion 144, thefirst circuit board 221 and thefirst housing 14 are fixed, wherein the light-gathering portion 144 is a semi-open arc protruding from thefirst circuit board 12, the first light-emittingelement 11 is located in a space formed by the arc and thefirst circuit board 12, and half of the first light-emittingelement 11 is shielded by the arc, i.e. when the first light-emittingelement 11 emits light, the divergent light is gathered by the light-gathering portion 144 and is emitted from the opening of the arc, on one hand, the other hand, when a user carelessly looks directly at the first light-emittingassembly 1, and the eyes are not hurt.

In addition, thefirst lampshade 13 is made of transparent light scattering material, and after the opening of thefirst shell 14 is covered with thefirst shell 14, the firstlight emitting assembly 1 forms a relatively closed independent light emitting device, and the closed structure provides sufficient protection for the firstlight emitting element 11 and related components.

Further, a connectingportion 3 extends from the surface of thefirst casing 14 away from the opening of the light-gathering portion 144, and the second light-emitting assembly 2 is connected to the first light-emitting assembly 1 through the connectingportion 3, wherein the second light-emitting assembly 2 is disposed around the outer side of the first light-emitting assembly 1, and includes a second light-emitting element 21, asecond circuit board 22, asecond lampshade 23 and asecond casing 24, in this embodiment, the second light-emittingelement 21 is an LED lamp emitting white light, thesecond casing 24 is in a circular ring shape, and a plurality ofsecond fixing portions 241 with internal threads are further disposed in thesecond casing 24, and meanwhile, athird mounting hole 223 matched with thesecond fixing portion 241 is formed in thesecond circuit board 22, and thesecond circuit board 22 and thesecond casing 24 are fixedly connected by penetrating through thethird mounting hole 223 by a bolt and being rotatably inserted into thesecond fixing portion 241.

Furthermore, the secondlight emitting element 21 is circumferentially disposed on thesecond circuit board 22 and electrically connected to thesecond circuit board 22, wherein thesecond circuit board 22 is a PCB, and thesecond circuit board 22 further includes two circuitboard support plates 221 symmetrically disposed, it can be understood that the circuitboard support plates 221 are semi-circular, and after folding, they are circular and fit with thesecond housing 24.

It should be noted that thesecond lampshade 23 is made of a transparent light-scattering material, and after the opening of thesecond casing 24 is covered with thesecond casing 24, the second light-emitting assembly 2 forms a relatively closed independent light-emitting device, and the closed structure provides corresponding protection for the second light-emittingelement 21 and related components.

In addition, the connectingportion 3 is further provided with awire outlet 31, thepower wires 4 of thefirst circuit board 12 and thesecond circuit board 22 can be led out through thewire outlet 31, and the firstlight emitting assembly 1 and the secondlight emitting assembly 2 are controlled by two power switches respectively.

In summary, the lamp cap and the desk lamp having the lamp cap in the above embodiments of the utility model form an integrated structure by the firstlight emitting assembly 1 composed of thefirst circuit board 12 fixed in thefirst housing 14 and having the firstlight emitting element 11, thefirst lampshade 13 covering thefirst housing 14, the secondlight emitting assembly 2 surrounding the firstlight emitting assembly 1 and composed of thesecond circuit board 22 fixed in thesecond housing 24 and having the secondlight emitting element 21, thesecond lampshade 23 covering thesecond housing 24, and the connectingportion 3 connecting the firstlight emitting assembly 1 and the secondlight emitting assembly 2, the integrated structure carries two different colors of light on one lamp holder, when the lamp needs to be read, the first light-emitting component 1 with certain soft intensity can be used, when the lamp needs to be illuminated in a large range, the secondlight emitting element 2 with high brightness is switched so that it can be well adapted to reading and scene changes requiring a large range of illumination.

In addition, referring to fig. 6, a table lamp according to a second embodiment of the present invention is shown, which includes alamp holder 5 and alamp holder 6 disposed on thelamp holder 5, wherein one end of thelamp holder 6 away from thelamp holder 5 is connected to a lamp cap, and the lamp cap is the lamp cap according to the first embodiment.

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

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (9)

1. A lamp cap, comprising:

the first light-emitting assembly comprises a first shell and a first lampshade covering the first shell, and a first circuit board and a first light-emitting element which is in conductive connection with the first circuit board are arranged in the first shell;

the second light-emitting assembly is arranged on the outer side of the first light-emitting assembly in a surrounding mode and comprises a second shell and a second lampshade covering the second shell, and a second circuit board and a second light-emitting element in conductive connection with the second circuit board are arranged in the second shell;

the first light-emitting assembly and the second light-emitting assembly are fixedly connected through the connecting part;

the first light-emitting element and the second light-emitting element emit light rays with different colors.

2. The lamp cap according to claim 1, wherein a first heat dissipating portion and a second heat dissipating portion extending from the first heat dissipating portion are disposed at the bottom of the first housing, the first heat dissipating portion has a first heat dissipating hole, and the second heat dissipating portion has a second heat dissipating hole.

3. The lamp cap of claim 2, wherein the second heat dissipating portion is fastened with an ash shielding plate, an outer wall extends outward from the periphery of the second heat dissipating portion, the outer wall and the second heat dissipating portion form an accommodating groove, the ash shielding plate is embedded in the accommodating groove, and the first heat dissipating hole is disposed around the second heat dissipating portion.

4. The lamp cap of claim 2, wherein the second heat sink portion extends toward the first circuit board to form a first fixing portion with an internal thread, the first circuit board is provided with a first mounting hole adapted to the first fixing portion, and the first circuit board is fixedly connected to the first housing through the first fixing portion.

5. The lamp cap of claim 4, wherein the first light-emitting assembly further comprises a light-gathering portion disposed on the first circuit board at the light-emitting end of the first light-emitting element, the light-gathering portion is provided with a second mounting hole, the second mounting hole is communicated with the first mounting hole, and the second mounting hole is used for fixedly connecting the light-gathering portion with the first circuit board.

6. The lamp cap of claim 5, wherein the light-gathering part is an arc body protruding from the first circuit board, and the first light-emitting element is not completely wrapped by the arc body.

7. The lamp cap of claim 1, wherein the second light emitting element is circumferentially disposed on the second circuit board, the second circuit board is formed with a third mounting hole, the second housing further comprises a second fixing portion with an internal thread, and the second circuit board and the second fixing portion are fixed through the third mounting hole.

8. The lamp cap according to claim 5, wherein the connecting portion connects the first housing and the second housing, the connecting portion is disposed away from the opening of the light-gathering portion, the connecting portion further has a wire hole, and power wires of the first circuit board and the second circuit board are led out from the wire hole.

9. A desk lamp, including the lamp holder and locating the lamp holder on the said lamp holder, the one end that the said lamp holder is far away from the said lamp holder connects with the lamp holder, characterized by that, the said lamp holder is the lamp holder of any claim 1-8.

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