CN220524053U

CN220524053U - Lamp string structure

Info

Publication number: CN220524053U
Application number: CN202321834025.2U
Authority: CN
Inventors: 尧本意
Original assignee: Shenzhen Jinchangda Nonferrous Metal Co ltd
Current assignee: Shenzhen Jinchangda Nonferrous Metal Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-02-23
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses a lamp string structure, which comprises a main line and a plurality of bulbs, wherein a plurality of bulbs are arranged on the main line at intervals in series, an inner bulb holder is arranged in each bulb, each bulb comprises a bulb shell and a bulb connector, the bulb connector is fixedly connected with the bulb shell in a threaded manner, and the upper end part of the bulb connector can be embedded into the inner bulb holder to realize electric connection. The bulb and the lamp cap are connected in a plugging and fixing mode, the direction is fixed by utilizing the convex structure, the bulb and the lamp cap are free from threaded installation and are directly plugged and fixed, electric connection is realized, and the positive electrode contact guide wire and the negative electrode contact guide wire can be tightly contacted with the terminal plate by matching of the convex structure, so that the phenomenon of poor contact can be prevented. The plug connection is easier to install and replace.

Description

Lamp string structure

Technical Field

The present utility model relates to a lamp, and more particularly to a lamp string structure.

Background

At present, the existing lamp string structure generally comprises a main line, branch lines, lamp holders and bulbs, wherein the lamp holders are connected with the main line through the branch lines, the bulbs are connected with the lamp holders in a screwed mode, negative terminals are arranged on the side walls of connecting cavities of the lamp holders, positive terminals are arranged at the bottoms of the lamp holders, and the bulbs can be normally connected with the positive electrodes and the negative electrodes of the lamp holders only when the bulbs need to rotate to limit the positive electrodes and the negative electrodes. The positive terminal of the lamp cap is easy to deform under long-time extrusion of the bulb, and the deformed terminal is easy to generate poor contact. And the screw threads are connected in a screwed mode, so that the replacement is inconvenient.

Disclosure of Invention

In order to overcome the drawbacks and disadvantages of the prior art, an object of the present utility model is to provide a light string structure. The connection structure and the connection mode of the lamp string structure are applied to manufacturing production of high-voltage or low-voltage direct-current lamp strings, including but not limited to two wires (positive and negative electrodes) and three wires (positive and negative electrodes plus signal wires), and can be used for arranging different copper sheet terminal numbers and guide wires in a lamp cap and a lamp bulb to realize application of different lamp bulbs.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a lamp string structure, includes main line and a plurality of bulb, the interval is provided with a plurality of lamp holders in series on the main line, every all be equipped with the lamp holder inner frame in the lamp holder, every the bulb all includes bulb casing and bulb joint, the bulb joint with bulb casing spiro union is fixed, the upper end portion that the bulb connects can imbed in the lamp holder inner frame, realizes the electricity and connects. The lamp cap and the inner frame of the lamp cap are formed by plastic injection molding, and compared with the traditional copper lamp holder, the cost is lower. The bulbs are connected in a plugging manner, electric connection can be realized after plugging, the bulbs do not need rotary contact, and the installation and replacement are convenient.

As an improvement of the lamp string structure, the bulb connector comprises a cylindrical inner frame and a filament support, wherein a convex plug-in block is arranged at the upper end of the cylindrical inner frame, two guide wire perforations are formed in the convex plug-in block, a positive contact guide wire and a negative contact guide wire are arranged on the filament support, one ends of the positive contact guide wire and the negative contact guide wire are penetrated out from the guide wire perforations, and the penetrated parts of the positive contact guide wire and the negative contact guide wire are bent along the side parts of the convex plug-in block. The positive electrode contact guide wire and the negative electrode contact guide wire are propped against the side parts of the convex plug-in blocks through bending, the positions of the positive electrode contact guide wire and the negative electrode contact guide wire just correspond to the positions of the two terminal plates, and the convex plug-in blocks and the convex plug-in grooves are plugged so as to prevent the bulb from being reversely assembled. The extension length of the positive electrode contact guide wire and the negative electrode contact guide wire is about 10 mm.

As an improvement of the lamp string structure, the lamp filament support is also provided with a lamp filament, the side wall of the cavity of the cylindrical inner frame is provided with an internal thread, the upper end of the bulb shell is provided with an external thread, the cylindrical inner frame is in threaded connection with the upper end of the bulb shell, and the lamp filament support stretches into the cavity of the bulb shell.

As an improvement of the structure of the lamp string, a plurality of clamping blocks are arranged on the outer side wall of the cylindrical inner frame at intervals. The fixture block is used for fixedly connecting the bulb and the lamp cap, and is free of threaded connection.

As an improvement of the lamp string structure, a convex inserting groove is arranged on the lamp holder inner frame, two terminal mounting grooves are arranged on the side wall of the convex inserting groove, terminal plates are arranged in the two terminal mounting grooves, and when the convex inserting block is inserted into the convex inserting groove, the positive electrode contact guide wire and the negative electrode contact guide wire are respectively contacted with the terminal plates. The terminal plate is connected with the hanging wire or the main wire through the top riveting port to realize electric connection. The convex plug-in block is matched with the convex plug-in groove in the lamp cap, so that the bulb can be conveniently positioned when being installed, and the bulb is prevented from being reversely installed.

As an improvement of the lamp string structure, a connecting cavity is further arranged at the bottom of the lamp holder inner frame, a plurality of clamping holes are formed in the side wall of the connecting cavity at intervals, each clamping hole corresponds to one clamping block, and when a bulb is connected with the lamp holder, the clamping blocks are connected with the clamping holes.

As an improvement of the lamp string structure, the bulb connector penetrates into the connecting cavity, the clamping block is clamped into the clamping hole to be fixed, and the convex inserting block is inserted corresponding to the convex inserting groove.

As an improvement of the lamp string structure, the upper end of the lamp holder inner frame is provided with a spacer, and the spacer is positioned between the two terminal plates. The spacer is used for separating the two lamp cap wires to prevent short circuit.

As an improvement of the structure of the lamp string, the lamp cap is connected with the main line through a hanging wire.

The utility model has the beneficial effects that: the bulb and the lamp cap are connected in a plugging and fixing mode, the direction is fixed by utilizing the convex structure, the bulb and the lamp cap are free from threaded installation and are directly plugged and fixed, electric connection is realized, and the positive electrode contact guide wire and the negative electrode contact guide wire can be tightly contacted with the terminal plate by matching of the convex structure, so that the phenomenon of poor contact can be prevented. The plug connection is easier to install and replace.

Drawings

FIG. 1 is a schematic view of a structure in which a lamp cap of the present utility model is directly connected to a main line;

FIG. 2 is a schematic diagram of a lamp head of the present utility model connected to a main line by a suspension wire;

FIG. 3 is a schematic view of the disassembled structure of the single bulb and base connection of the present utility model;

FIG. 4 is a schematic view of the split construction of a single bulb of the present utility model;

FIG. 5 is a cross-sectional view of the inner holder of the lamp cap of the present utility model;

the reference numerals are: 1. the bulb comprises a main wire, 2, a bulb, 3, a lamp holder, 4, a lamp holder inner frame, 5, a hanging wire, 21, a bulb shell, 22, a bulb connector, 221, a cylindrical inner frame, 222, a filament support, 223, a convex plug block, 224, a guide wire perforation, 225, a positive electrode contact guide wire, 226, a negative electrode contact guide wire, 227, a filament, 228, a clamping block, 41, a convex plug groove 42, a terminal mounting groove 43, a terminal plate 44, a connecting cavity 45, a clamping hole 46 and a spacer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present utility model.

As shown in fig. 1-5, a light string structure comprises a main line 1 and a plurality of bulbs 2, wherein a plurality of bulbs 3 are arranged on the main line 1 at intervals in series, an bulb holder inner frame 4 is arranged in each bulb 3, each bulb 2 comprises a bulb shell 21 and a bulb joint 22, the bulb joint 22 is fixedly connected with the bulb shell 21 in a screwed manner, and the upper end part of the bulb joint 22 can be embedded into the bulb holder inner frame 4 to realize electric connection. The lamp cap 3 and the lamp cap inner frame 4 are formed by plastic injection molding, and compared with the traditional copper lamp holder, the cost is lower. The bulb adopts the plug connection, can realize the electric connection after the grafting, and bulb 2 does not need rotary contact, and installation and change are convenient.

Preferably, the bulb joint 22 comprises a cylindrical inner frame 221 and a filament support 222, a convex plug-in block 223 is arranged at the upper end of the cylindrical inner frame 221, two guide wire perforations 224 are arranged on the convex plug-in block 223, a positive contact guide wire 224 and a negative contact guide wire 226 are arranged on the filament support 222, one ends of the positive contact guide wire 225 and the negative contact guide wire 226 penetrate out of the guide wire perforations 224, and the penetrating parts of the positive contact guide wire 225 and the negative contact guide wire 226 are bent along the side parts of the convex plug-in block 223. The positive electrode contact guide wire 225 and the negative electrode contact guide wire 226 are propped against the side parts of the convex plug-in blocks 223 through bending, the positions of the positive electrode contact guide wire and the negative electrode contact guide wire just correspond to the positions of the two terminal plates, and the convex plug-in blocks and the convex plug-in grooves are plugged so as to prevent the bulb from being reversely assembled. The extension length of the positive electrode contact guide wire and the negative electrode contact guide wire is about 10 mm.

Preferably, the filament support 222 is further provided with a filament 227, the side wall of the cavity of the cylindrical inner frame 221 is provided with an internal thread, the upper end of the bulb shell 21 is provided with an external thread, the cylindrical inner frame 221 is in threaded connection with the upper end of the bulb shell 21, and the filament support 222 extends into the cavity of the bulb shell 21.

Preferably, a plurality of clamping blocks 228 are further arranged on the outer side wall of the cylindrical inner frame 221 at intervals. The clamping block 228 is used for fixedly connecting the bulb and the lamp cap, and is free of threaded connection.

Preferably, the inner holder 4 is provided with a convex inserting groove 41, the side wall of the convex inserting groove 41 is provided with two terminal mounting grooves 42, terminal plates 43 are arranged in the two terminal mounting grooves 42, and when the convex inserting block 223 is inserted corresponding to the convex inserting groove 41, the positive electrode contact guide wire 225 and the negative electrode contact guide wire 226 are respectively contacted with the terminal plates 43. The terminal piece 43 is connected to the suspension wire or the main wire through a top rivet to achieve electrical connection. The convex plug-in block 223 is matched with the convex plug-in groove 41 in the lamp cap, so that the bulb can be conveniently positioned when being installed, and the bulb is prevented from being reversely installed.

Preferably, the bottom of the inner holder 4 is further provided with a connecting cavity 44, a plurality of clamping holes 45 are arranged on the side wall of the connecting cavity 44 at intervals, each clamping hole 45 corresponds to a clamping block 228, and when the bulb 2 is connected with the lamp holder 3, the clamping block 228 is connected with the clamping hole 45.

Preferably, the bulb connector 22 penetrates into the connecting cavity 44, the clamping block 228 is clamped into the clamping hole 45 for fixing, and the convex inserting block 223 is inserted corresponding to the convex inserting groove 41.

Preferably, the upper end of the inner holder 4 is provided with a spacer 46, and the spacer 46 is located between the two terminal plates 43. The spacer is used for separating the two lamp cap wires to prevent short circuit.

Preferably, the burner 3 is connected to the main line 1 by a suspension wire 5.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and structure of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The lamp string structure comprises a main line and a plurality of bulbs, wherein a plurality of lamp holders are arranged on the main line in series at intervals;

the bulb connector comprises a cylindrical inner frame and a filament support, wherein a convex plug-in block is arranged at the upper end of the cylindrical inner frame, two guide wire perforations are formed in the convex plug-in block, an anode contact guide wire and a cathode contact guide wire are arranged on the filament support, one ends of the anode contact guide wire and the cathode contact guide wire are respectively penetrated out from the guide wire perforations, and the penetrating parts of the anode contact guide wire and the cathode contact guide wire are respectively bent along the side parts of the convex plug-in block.

2. The string light structure of claim 1, wherein the filament support is further provided with a filament, an internal thread is provided on a side wall of the cavity of the cylindrical inner frame, an external thread is provided at an upper end of the bulb housing, the cylindrical inner frame is screwed with the upper end of the bulb housing, and the filament support extends into the cavity of the bulb housing.

3. The light string structure of claim 1, wherein a plurality of clamping blocks are further arranged on the outer side wall of the cylindrical inner frame at intervals.

4. The light string structure according to claim 3, wherein a convex inserting groove is formed in the inner frame of the light head, two terminal mounting grooves are formed in the side wall of the convex inserting groove, terminal pieces are arranged in the two terminal mounting grooves, and when the convex inserting block is inserted into the convex inserting groove, the positive electrode contact guide wire and the negative electrode contact guide wire are respectively contacted with the terminal pieces.

5. The light string structure according to claim 4, wherein a connecting cavity is further formed in the bottom of the inner holder, a plurality of clamping holes are formed in the side wall of the connecting cavity at intervals, and each clamping hole corresponds to the clamping block.

6. The light string structure of claim 5, wherein the bulb fitting penetrates into the connection cavity, the fixture block is clamped into the clamping hole to be fixed, and the convex plug block is inserted corresponding to the convex plug groove.

7. The structure of claim 4, wherein a spacer is provided at an upper end of the inner holder, and the spacer is located between the two terminal plates.

8. The string light structure of claim 1, wherein the lamp head is connected to the main line by a suspension wire.