SU991536A1 - Cartridge for electric incandescent lamps - Google Patents

Description

(54) CARTRIDGE FOR ELECTRICAL LAMPS

one

. The invention relates to lighting engineering, in particular to cartridges for electric incandescent lamps with a threaded base. .

Threaded cartridges for incandescent bulbs are known, in the bottom of which metal nipple nuts are placed, which are used by various methods: flare, spring retaining ring, adhesive or thermal joints. In addition, locking threaded screws that are screwed radially into the body of the nipple nuts or the bottom, or other, more complex media, are invariably used to stop the nipple thread of these cartridges, or to get other, more complex media: from spontaneous loosening of the cartridge tlj 2.

However, due to the extreme low-tech manufacturing of such nipple nuts and their connection to the body of the chuck in the bottom, the nipple thread is usually made directly in the bottom. Filaments

and the nipple nut is used as a retainer.,

The closest to the technical essence of the invention is a cartridge for electric incandescent lamps, consisting of a housing with a small hamper, placed on the outside of the bottom of the case. The nipple nut has two diametrically arranged openings for mounting fasteners in them. In the case of the cartridge installed contact system H 3.

Claims (3)

The disadvantage of the known cartridge is the unreliability of a nipple thread, made directly in the NZOL5PHIonny material from which such parts of the cartridges are usually made, and in such a material as electrotechnical porcelain to perform standardized threading with the required accuracy in general is not possible. manufacturability and improving the reliability of cartridges. This goal is achieved by the fact that in a cartridge having a housing with a bottom, a nipple nut mounted with an outer CTOpoHbi ri having two diametrically arranged holes for mounting fixing screws in them, and a contact system installed in the body, an additional nipple nut with two diametrically positioned holes is installed in the body on the inside of the bottom the hole is threaded, the other is without thread, and the threaded hole is located diametrically opposite. The drawing shows a cartridge, a general view, - .. The cartridge has a housing 1, on the inner and outer surfaces of the bottom of which the holes of the same configuration are made / in which interchangeable metal nuts 2 and 3 are placed. The nuts have a central thread, one by one. threaded hole on one side of the nipple thread and one bezrezovomu bezel hole on the other. The nipple nut 2 is rigidly fastened to the bottom of the body 1 by means of screw 4, and the nipple nut 3 is held by screw 5 screwed into it, which serves simultaneously to stop the nipple thread. The patro has a contact system 6, placed on a separate, removable charty 7 housing 1, closed in housing 1 with housing 8. The threadless holes of the nipple nuts serve to allow the screw 5 to pass through the fixed nipple nut 2 to the threaded hole of the movable nipple nut 3 and for free access by the tool to the slit head of the screw 4 for fastening the fixed nipple nut 2. When screwing in the nipple tube (conventionally shown) into the cartridge, screw 5 is turned out of the threaded hole of the nipple nut up to the stop into the flared the part at the end of the screw, as a result of which the nipple nut 3 has the ability to mix along the axis of the chuck, which ensures that the nipple pitch of the nuts 2 and 3 and the tube match. When the screwed nipple tube is loosened, both nuts 2 and 3 are screwed into the two nipples by screwing the screw 5 into the threaded hole at one end of the movable pin 9 6 of the flat nut 3 by tightening the nut 3 and locking the nipple thread. The protruding part of the screw head 4 above the surface of the socket in which it is placed on the nipple nut 3 retains the necessary gap between the surface of the socket and the nipple nut 3, which is necessary for tightening this nut with the screw 5. Inserting into the cartridge a metal nut with a nipple thread fixed to the inner side of the bottom of its case, eliminates the need to make a nipple thread in the bottom of the case, from an insulating material, which increases the manufacturability of the proposed cartridge, in particular, Yelnia angle. fastening allows maximum use of available means and possibilities of automating not only sheet metal stamping operations like nipple nuts, threading holes in holes, etc., but also operations for their assembly, as well as increases the reliability of threads made in metal and makes it possible to manufacture such cartridges from electrotechnical porcelain, characterized by a great deal of agreement. Claim for electric incandescent bulbs, comprising a housing with a bottom, a nipple nut placed on the outside of the bottom and having two diametrically located holes for installing fastening screws, and a contact system installed in the housing of the cartridge, characterized in that In order to improve manufacturability and to increase hope, an additional nipple nut with two diametrically arranged openings is installed on the inside of the bottom, and in each of the decree In these nuts, one hole is threaded, and the other without thread and threaded holes are diametrically opposed. Source of - information taken into account during the examination 1. GDR patent number 82166, cl. 21 f 45, 1972. 2. The patent of Germany No. 2364719, cl. 21 45, 1972. 3. Patent of the GDR No. 23183, cl. 21 f 45, 1968.