Combined LED bulb

Abstract

The utility model discloses a combined LED bulb which comprises a lamp holder and a bulb body, and the lamp holder comprises an external thread connecting cylinder, a lamp holder cap, a limiting pressing plate and three contact piece structures. An internal thread is arranged at the upper part of the inner wall of the external thread connecting cylinder; an external thread connecting part is arranged on the lamp holder cap; the lamp holder cap is in threaded connection and fixation with the external thread connecting cylinder; a partition plate is arranged in the middle of the external thread connecting cylinder, and three inserting holes are formed in the partition plate. The contact piece structure is limited on the partition plate through the limiting pressing plate and located in the inserting hole. A conductive insertion column is fixed on the bulb body; the conductive insertion column is arranged in the insertion hole in a penetrating mode and connected with the contact piece structure in an abutting and piezoelectric mode. The LED bulb is reasonable in structural arrangement, the bulb body and the lamp holder are inserted and clamped in the insertion holes through the conductive insertion columns and electrically connected through the contact piece structures, disassembly and assembly are convenient, disassembly, assembly and replacement of the lamp holder or the bulb body are facilitated, disassembly, assembly and maintenance are facilitated, stability and reliability of connection can be guaranteed, and the LED bulb is high in applicability and good in practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of LED bulbs, and in particular relates to a combined LED bulb. Background Art

[0002] LED bulbs are a common lighting and decorative structure. LED bulbs can emit light at all angles and at large angles without the need for lenses, thus achieving a three-dimensional light source and improving the lighting experience. In the prior art, the connection between LED bulbs and lamp holders is mostly a fixed structure, which is not conducive to disassembly and maintenance operations. When local damage occurs, the entire LED bulb needs to be replaced, which greatly increases the replacement and maintenance costs. It is also not conducive to replacing bulbs of different shapes, so its applicability and practicality are limited. Summary of the invention

[0003] The utility model aims to provide a combined LED bulb with reasonable structure and convenient for disassembly, assembly and maintenance.

[0004] The technical solution to achieve the purpose of the utility model is a combined LED bulb, including a lamp holder and a bulb body, wherein the lamp holder includes an external threaded connection tube, a lamp holder cap, a limit pressure plate, and three contact structures;

[0005] The upper part of the inner wall of the external thread connection cylinder is provided with an internal thread, and the lamp cap is provided with an external thread connection part;

[0006] The lamp cap is threadedly connected and fixed to the external threaded connection tube;

[0007] A partition is provided in the middle of the external thread connection cylinder, and three insertion holes are provided on the partition;

[0008] The limiting pressure plate is fixed on the partition by screws, the contact structure is limited on the partition by the limiting pressure plate, and the contact structure is in the plug hole;

[0009] The bulb body is fixed with conductive plugs whose number matches the number of sockets;

[0010] The bulb body is inserted into the external thread connection cylinder, and the conductive plug is inserted into the plug hole and is pressed and electrically connected with the contact structure.

[0011] It is further preferred that: the top surface of the partition is provided with a plurality of contact piece installation grooves respectively connected with the jacks;

[0012] The contact structure includes a contact body and a spring;

[0013] The contact body and the spring are clamped in the contact installation groove, and the contact body extends into the insertion hole under the action of the spring.

[0014] It is further preferred that: the conductive plug comprises a column rod and a positioning convex ring integrally formed at the end of the column rod;

[0015] The conductive plug is inserted into the jack, and the contact body abuts against the surface of the column rod under the action of the spring to be electrically connected, and the positioning convex ring abuts against the top edge of the contact body to limit the position.

[0016] More preferably, the conductive plug is a copper plug.

[0017] It is further preferred that the bulb body is a spherical bulb, a cylindrical bulb or a flame head bulb.

[0018] The utility model has positive effects: the utility model has a reasonable structural arrangement, and its lamp holder and bulb body, and the conductive plug post on the bulb body, have a socket on the lamp holder, and a contact structure in the socket; the bulb body and the lamp holder are inserted into the socket through the conductive plug post and are electrically connected through the contact structure, which is not only convenient for disassembly and assembly, but also conducive to the disassembly and replacement of the lamp holder or the bulb body, and convenient for disassembly and maintenance operations, and can also ensure the stability and reliability of the connection, and has strong applicability and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the split structure of the lamp holder in the utility model;

[0022] Figure 3 It is a schematic diagram of the specific structure of the bulb body in the utility model.

[0023] Figure numerals: lamp holder 1, external threaded connection tube 11, lamp holder cap 12, limiting pressure plate 13, contact structure 14, contact body 141, spring 142, bulb body 2, partition 3, socket 4, conductive plug 5, column rod 51, locking convex ring 52, contact mounting groove 6. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0025] See Figures 1 to 3 As shown, a combined LED bulb includes a lamp holder 1 and a bulb body 2. In actual application, the bulb body is a spherical bulb, a cylindrical bulb or a flame head bulb. In this embodiment, the bulb body is a cylindrical bulb.

[0026] In this embodiment, the lamp holder includes an externally threaded connection tube 11, a lamp holder cap 12, a limiting pressure plate 13, and three contact structures 14; during installation, an internal thread is provided on the upper part of the inner wall of the externally threaded connection tube, and an externally threaded connection part is provided on the lamp holder cap; the lamp holder cap is threadedly connected and fixed to the externally threaded connection tube; a partition 3 is provided in the middle part of the externally threaded connection tube, and three sockets 4 are provided on the partition; the limiting pressure plate is fixed to the partition by screws, and the contact structure is limited on the partition by the limiting pressure plate, and the contact structure is in the socket; in actual application, the externally threaded connection tube can be threadedly connected to the lamp holder and electrically connected to the positive and negative poles in the lamp holder, and the partition and the externally threaded connection tube can be formed as one piece, or they can be riveted and fixed in the externally threaded connection tube.

[0027] Meanwhile, in actual application, the bulb body is fixed with conductive plugs 5 whose number matches the number of the sockets; in this embodiment, the conductive plugs are copper plugs. During installation, the bulb body is inserted into the external threaded connection tube, and the conductive plugs are inserted into the sockets and pressed against the contact structure for electrical connection.

[0028] In actual application, in order to facilitate the installation and positioning of the contact structure, the top surface of the partition is provided with a plurality of contact installation grooves 6 respectively connected to the sockets; the contact structure 14 includes a contact body 141 and a spring 142; during assembly, the contact body and the spring are positioned in the contact installation groove, and the contact body extends into the socket under the action of the spring.

[0029] Meanwhile, in actual application, the conductive plug 5 includes a column 51 and a positioning convex ring 52 integrally formed at the end of the column; during installation, the conductive plug is inserted into the jack, and the contact body abuts against the surface of the column under the action of the spring to be electrically connected, and the positioning convex ring abuts against the top edge of the contact body to limit the position. It realizes electrical connection through the conductive plug, and can also realize plug-in positioning, ensuring the stability and reliability of plug-in electrical connection.

[0030] The utility model has positive effects: the utility model has a reasonable structural arrangement, and its lamp holder and bulb body, and the conductive plug post on the bulb body, have a socket on the lamp holder, and a contact structure in the socket; the bulb body and the lamp holder are inserted into the socket through the conductive plug post and are electrically connected through the contact structure, which is not only convenient for disassembly and assembly, but also conducive to the disassembly and replacement of the lamp holder or the bulb body, and convenient for disassembly and maintenance operations, and can also ensure the stability and reliability of the connection, and has strong applicability and good practicality.

[0031] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification can also be directly processed according to existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0032] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still belong to the protection scope of the present invention.

Claims

1. A combined LED bulb, comprising a lamp holder and a bulb body, characterized in that: The lamp holder comprises an external thread connection tube, a lamp holder cap, a limit pressure plate, and three contact structures; The upper part of the inner wall of the external thread connection cylinder is provided with an internal thread, and the lamp cap is provided with an external thread connection part; The lamp cap is threadedly connected and fixed to the external threaded connection tube; A partition is provided in the middle of the external thread connection cylinder, and three insertion holes are provided on the partition; The limiting pressure plate is fixed on the partition by screws, the contact structure is limited on the partition by the limiting pressure plate, and the contact structure is in the insertion hole; The bulb body is fixed with conductive plugs whose number matches the number of sockets; The bulb body is inserted into the external thread connection cylinder, and the conductive plug is inserted into the plug hole and is pressed and electrically connected with the contact structure.

2. A combined LED bulb according to claim 1, characterized in that: The top surface of the partition is provided with a plurality of contact piece installation grooves respectively connected with the jacks; The contact structure includes a contact body and a spring; The contact body and the spring are clamped in the contact installation groove, and the contact body extends into the insertion hole under the action of the spring.

3. A combined LED bulb according to claim 2, characterized in that: The conductive plug comprises a column rod and a positioning convex ring integrally formed at the end of the column rod; The conductive plug is inserted into the jack, and the contact body abuts against the surface of the column rod under the action of the spring to be electrically connected, and the positioning convex ring abuts against the top edge of the contact body to limit the position.

4. The combined LED bulb according to claim 1, characterized in that: The conductive plug is a copper plug.

5. The combined LED bulb according to claim 1, characterized in that: The bulb body is a spherical bulb, a cylindrical bulb or a flame head bulb.

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