CN217562515U

CN217562515U - Spiral filament structure

Info

Publication number: CN217562515U
Application number: CN202221667480.3U
Authority: CN
Inventors: 黄建军
Original assignee: Zhongshan City Co Win Lighting Technology Co ltd
Current assignee: Zhongshan City Co Win Lighting Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-11
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a spiral filament structure, including the filament strip, the filament strip comprises two filament spiral winding at least, and two spiral winding's filament part opens and forms the interface, the both ends of interface are equipped with the bridging silk, and the both ends of bridging silk are connected respectively at spiral winding's filament in order to maintain the state of opening of interface. The novel multifunctional electric heating cooker has the advantages of simple structure, excellent effect, convenience in assembly, reasonable design and the like; therefore, the product has excellent technical and economic performance.

Description

Spiral filament structure

[ technical field ] A method for producing a semiconductor device

The utility model mainly relates to a spiral filament structure.

[ background of the invention ]

After the bulb is ignited for a long time, the filament of the bulb tends to bend and sag, which is a creep phenomenon under the action of self weight when the filament is in a high-temperature environment for a long time, and the creep phenomenon refers to a phenomenon that metal slowly deforms plastically under the action of constant temperature and constant load for a long time. Current filament strip is generally that both ends are connected on the metal frame, and the centre does not bear the weight of the point, and along with live time's increase, the filament can hang down gradually, and the filament will fracture when reaching metal yield strength, reduces filament life.

[ Utility model ] content

In order to delay the creep of the filament and disperse the dead weight of the filament section by section, a new filament scheme is provided, and the spiral filament structure adopts the following technical scheme:

the utility model provides a spiral filament structure, includes the filament strip, the filament strip comprises two filament spiral winding at least, and two spiral winding's filament part opens and forms the interface, the both ends of interface are equipped with the bridging silk, and the both ends of bridging silk are connected respectively in the open state of spiral winding's filament in order to maintain the interface.

Preferably, the filament strip is lapped on the column core, a column branch extends out of the column core, and an interface of the filament strip is connected to the column branch.

Preferably, the material of the lamp filament and the bridging filament is tungsten filament.

Preferably, the stem is mounted on a lamp base, which is fitted with an envelope, a filament package and an inside envelope.

The utility model discloses compare produced beneficial effect with the background art:

the utility model discloses a filament strip is generally installed at the bulb that has the stem, and the stem extends the dead weight that the post branch pegged graft in the interface in order to pass through stem bearing filament strip, with the local dispersion of weight of filament strip to delay filament strip and warp and improve life. Meanwhile, the filament strip adopts a bridging mode, when the filament is locally broken, current can flow to another filament through the bridging filament, and the service life is further prolonged.

[ description of the drawings ]

FIG. 1 is a schematic diagram of a filament strip in accordance with a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a core in a preferred embodiment of the present invention;

fig. 3 is a schematic view of a filament strip structure in a preferred embodiment of the present invention.

[ detailed description ] A

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; mechanical connection is also possible; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

The utility model provides a preferred embodiment: as shown in fig. 1 to 3, a spiral filament structure includes a filament wire 1, the filament wire 1 is formed by spirally winding at least two filaments 11, the two spirally wound filaments 11 are partially opened to form a joint 12, a bridging wire 13 is provided at both ends of the joint 12, and both ends of the bridging wire 13 are connected to the spirally wound filaments 11, respectively, to maintain the opened state of the joint 12. The bridging filament 13 and the filament 11 are made of tungsten filament, and the existing winding property is stable and not easy to deform.

The lamp filament strip 1 is lapped on the column core 2, the column branch 21 extends out of the column core 2, the interface 12 of the lamp filament strip 1 is connected into the column branch 21, and the column core and the column branch are made of glass. The column core 2 is arranged on a lamp cap 3, the lamp cap 3 is provided with a glass shell 4, and the lamp filament strip 1 is packaged in the glass shell 4.

After the bulb is ignited for a long time, the filament of the bulb tends to bend and sag, which is a creep phenomenon under the action of the self-weight of the filament in a high-temperature environment for a long time, and the creep phenomenon refers to a phenomenon that metal slowly deforms plastically under the action of constant temperature and constant load for a long time. Current filament strip is generally that both ends are connected on the metal frame, and the centre does not bear the weight of the point, and along with live time's increase, the filament can hang down gradually, and the filament will fracture when reaching metal yield strength, reduces filament life. Therefore, the structure improves the filament strip structure by adopting a double-helix structure, wherein the filament strip of the double-helix structure is partially opened to form an interface, bridging wires are arranged at two ends of the interface, and the opening state of the interface at the position of the bridging wires is utilized. The filament strip of this structure is generally installed at the bulb that has the stem, and the stem extends the dead weight that the post branch pegged graft in the interface in order to pass through stem bearing filament strip, with the local dispersion of weight of filament strip to delay filament strip and warp and improve life. Meanwhile, the filament strip adopts a bridging mode, when the filament is locally broken, current can flow to another filament through the bridging filament, and the service life is further prolonged.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means 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 invention, and schematic representations of the terms in this specification 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.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. The utility model provides a spiral filament structure, includes filament strip, its characterized in that: the filament strip is formed by spirally winding two filaments, the two spirally wound filaments are partially unfolded to form an interface, bridging wires are arranged at two ends of the interface, and two ends of each bridging wire are respectively connected to the spirally wound filaments to maintain the unfolding state of the interface.

2. The coiled-filament structure of claim 1, wherein: the filament strip is lapped on the column core, the column core extends out of the column branch, and an interface of the filament strip is connected into the column branch.

3. The coiled-filament construction of claim 1, wherein: the lamp filament strip and the bridging filament are made of tungsten filaments.

4. The coiled-filament structure of claim 2, wherein: the column core is arranged on the lamp holder, the lamp holder is provided with a glass bulb, and the filament is packaged in the glass bulb.