CN203277315U - Mercury lamp lead-free glass core column - Google Patents

Abstract

The utility model discloses a mercury lamp lead-free glass core column comprising a horn tube and a gas discharge tube, wherein the gas discharge tube is sleeved with the horn tube, a gas discharge tube part outside the horn tube is provided with left and right contraction sections, the two contraction sections are arranged on the gas discharge tube in a side-by-side manner and are in a state that a single edge of each contraction section is constricted into the gas discharge tube, the contraction amount of each contraction section on the gas discharge tube is larger than the radius of the gas discharge tube, and the two contraction sections are opposite in contraction direction. The single-edge contraction sections are oppositely arranged on the gas discharge tubes. The mercury lamp lead-free glass core column is characterized by simple structure, convenience of processing and manufacturing operation, low cost, and stability and safety of utilization. Mercury can be effectively prevented from falling into a lamp tube while the overall strength and the service life of the gas discharge tube are considered, and the mercury lamp lead-free glass core column is suitable for production and utilization of mercury lamps which are different in standard and performance parameter requirements.

Description

A kind of mercury lamp crown glass stem stem

Technical field

The utility model relates to the mercury lamp field, is a kind of mercury lamp crown glass stem stem specifically.

Background technology

In the tradition mercury lamp, the performance of photoelectric parameter is to be determined by its internal resistance tile height, and after stop block added blast pipe, with the blast pipe exhaust of bending, the placement of its stop block and the processing of mercury lamp were loaded down with trivial details, wayward, unstable product quality, and production cost is high.

Existing by the flat mercury lamp that carries out exhaust of exhaust pipe clamp, its in order to ensure make, when using, mercury is not fallen in fluorescent tube, affects the fluorescent tube parameter, presss from both sides flat place amount of contraction large, affects bulk strength and the useful life of blast pipe.

Summary of the invention

For deficiency of the prior art, it is a kind of simple in structure that the utility model provides, processing, easy to make, and cost is low, use stable, safety, can prevent effectively that mercury from falling into fluorescent tube and taking into account simultaneously the mercury lamp in blast pipe bulk strength and useful life crown glass stem stem.

The technical solution adopted in the utility model is: a kind of mercury lamp crown glass stem stem, comprise oviduct and blast pipe, exhaust shroud is connected in oviduct, it is characterized in that: the outer blast pipe of described oviduct partly is provided with left and right contraction section, left and right contraction section is arranged side by side and is monolateral contraction air inlet-outlet pipe state on blast pipe, the amount of contraction of contraction section on blast pipe is less than the blast pipe radius, and two contraction section shrinkage directions are opposing.

The utility model has the advantages that: contraction section is monolateral contraction, the two opposing settings of contraction section, contraction structure intersects and can effectively prevent, stops mercury to fall into fluorescent tube, and the amount of contraction of contraction section on blast pipe be less than the blast pipe radius, and the monolateral contraction of blast pipe is easy to process, not fragile, rate of finished products is high, and during use, intensity is high, not easy fracture, quality is good, uses safety.

The utility model is opposing on blast pipe arranges monolateral contraction section, it is simple in structure, processing, easy to make, cost is low, use stable, safety, can prevent effectively that mercury from falling into fluorescent tube and taking into account simultaneously blast pipe bulk strength and useful life, be fit to mercury lamp production and instructions for use that different size and performance parameter require.

Description of drawings

Fig. 1 is the utility model structural representation.

In figure: oviduct 1, blast pipe 2, left contraction section 3, right contraction section 4, seal wire 5.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Shown in Figure 1, a kind of lamp comprises oviduct 1 and blast pipe 2 with mercury lamp with the crown glass stem stem, blast pipe 2 and seal wire 5 are connected in oviduct 1, oviduct 1 outer blast pipe 2 parts are provided with left and right contraction section 3,4, left and right contraction section 3,4 is arranged side by side and is monolateral contraction air inlet-outlet pipe 2 states on blast pipe 2, upper and lower contraction section 3,4 amount of contraction are less than blast pipe 2 radiuses, and two contraction section shrinkage directions are opposing.

Claims (1)

1. mercury lamp crown glass stem stem, comprise oviduct and blast pipe, exhaust shroud is connected in oviduct, it is characterized in that: the outer blast pipe of described oviduct partly is provided with left and right contraction section, left and right contraction section is arranged side by side and is monolateral contraction air inlet-outlet pipe state on blast pipe, the amount of contraction of contraction section on blast pipe is less than the blast pipe radius, and two contraction section shrinkage directions are opposing.

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