CN216871887U

CN216871887U - Welding assembly structure of thorium tungsten filament

Info

Publication number: CN216871887U
Application number: CN202122925412.4U
Authority: CN
Inventors: 沈晓慧; 余乐毅
Original assignee: Jiangxi Jingguang Electronics Co ltd
Current assignee: Jiangxi Jingguang Electronics Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-01
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a welding assembly structure of thorium tungsten filament, including base, lower welded seat, lamp pole, holder, filament, support frame, wick and upper welded seat, lower welded seat is installed on the base, the lamp pole sets up on lower welded seat, the wick sets up on the lamp pole, and a plurality of the holder evenly sets up on the lamp pole, the support frame sets up on the lamp pole of holder top, upper welded seat sets up the lateral wall at the wick; according to the utility model, by arranging the lower welding seat and the upper welding seat, two ends of the filament can be stably clamped and then welded, and the middle position of the filament is kept fixed through the retainer and the support frame, so that the stability of the filament in the welding process can be ensured, and the qualification rate of products is improved.

Description

Welding assembly structure of thorium tungsten filament

Technical Field

The utility model relates to the technical field of filament assembly, in particular to a welding assembly structure of a thorium tungsten filament.

Background

The filament is a high-temperature resistant metal wire in a bulb or an electronic tube, is mostly a thin tungsten wire, also has iridium or other alloys, can directly generate heat and emit light when electrified, or can emit electrons and ultraviolet rays to form a high-energy electric field, and the like, and is clamped by a filament support.

At present, the conventional thorium tungsten filament of the vacuum electronic device has some problems in the welding assembly process; such as: the existing filament is in the lamp tube, and the stability is poor; in the welding process, the lamp filament is easy to shift, welding is difficult, welding spots are easy to be welded firmly, and the like. For this reason, new technical solutions need to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a welding assembly structure of thorium tungsten filament.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a welding assembly structure of thorium tungsten filament, includes base, lower weld holder, lamp pole, holder, filament, support frame, wick and goes up the weld holder, lower weld holder is installed on the base, the lamp pole sets up under on the weld holder, the wick sets up on the lamp pole, and is a plurality of the holder evenly sets up on the lamp pole, and every holder comprises many holding poles, and the side of every holding pole is equipped with a holding groove, and the holding groove opening direction on the holding pole that two upper and lower holders correspond is opposite, the support frame sets up on the lamp pole of holder top, be equipped with the bracing piece the same with the holding pole quantity on every holder on the support frame, the tip of every bracing piece is equipped with a support groove, go up the weld holder setting at the lateral wall of wick, go up the weld holder and be connected with the wick through conductive strut, go up and be equipped with the welding structure on the weld holder the same with bracing piece quantity, each upper welding structure comprises an upper welding groove, two arc-shaped metal clamping blocks are arranged in each upper welding groove, the distance between the two metal clamping blocks is smaller than the diameter of the filament, the lower welding seats are provided with lower welding seats the number of which is the same as that of the upper welding grooves, each lower welding seat is internally provided with a metal seat, the upper end of the metal seat is provided with a lower welding groove, a locking block which is transversely arranged is arranged in the metal seat, the locking block can transversely move in a certain range relative to the metal seat, one end of the locking block positioned outside is provided with a pressing block, a spring in a compressed state is arranged in the metal seat, the spring is abutted against the other end of the locking block, the locking block is provided with a vertical locking hole, when the locking block is located the deepest position of the metal seat, the locking hole corresponds to the position of the lower welding groove, and the metal seat is electrically connected with the conducting wire arranged on the lower welding seat.

Further, the structure in lower welding groove is conical, the structure in last welding groove is the rectangle, and lower welding groove and the structure setting in last welding groove make things convenient for the welding liquid to drip to weld in the inslot.

Further, the number of the retainers is three, and the number of the retaining rods on each retainer is four, and similarly, the number of the retainers can also be four, and the number of the retaining rods on each retainer is three, which can be designed according to requirements.

Furthermore, the support groove and the holding groove are both arc-shaped structures, the corresponding angle of the arcs of the support groove and the holding groove is 240 degrees, and by adopting the structure, the lamp filament cannot be dislocated after being clamped into the support groove and the holding groove.

In conclusion, the utility model has the following beneficial effects: according to the utility model, by arranging the lower welding seat and the upper welding seat, two ends of the filament can be stably clamped and then welded, and the middle position of the filament is kept fixed through the retainer and the support frame, so that the stability of the filament in the welding process can be ensured, and the qualification rate of products is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of an upper solder cup;

FIG. 4 is a schematic view of the weld attachment location of the upper weld nest;

FIG. 5 is a schematic structural view of the support frame;

fig. 6 is a schematic structural view of the cage.

In the figure, 1, a base; 2. a lower welding seat; 3. a lamp post; 4. a holder; 5. a filament; 6. a support frame; 7. a lamp wick; 8. an upper welding seat; 9. a metal base; 10. a lower welding groove; 11. a locking block; 12. a locking spring; 13. a pressing block; 14. a locking hole; 15. a conductive wire; 16. an upper welding structure; 17. a conductive strut; 18. an upper welding groove; 19. a metal clamping block; 20. a support groove; 21. a retaining groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, a welding assembly structure of thorium tungsten filament includes a base 1, a lower welding base 2, a lamp post 3, holders 4, a filament 5, a support frame 6, a lamp wick 7 and an upper welding base 8, the lower welding base 2 is mounted on the base 1, the lamp post 3 is disposed on the lower welding base 2, the lamp wick 7 is disposed on the lamp post 3, a plurality of the holders 4 are uniformly disposed on the lamp post 3, each holder 4 is composed of a plurality of holding rods, a holding groove 21 is disposed on a side surface of each holding rod, the opening directions of the holding grooves 21 on the holding rods corresponding to the upper and lower holders 4 are opposite, the support frame 6 is disposed on the lamp post 3 above the holder 4, the support frames 6 are provided with the same number of support rods as that on each holder 4, a support groove 20 is disposed at an end of each support rod, the upper welding base 8 is disposed on a side wall of the lamp wick 7, the upper welding seat 8 is connected with the lamp wick 7 through a conductive support rod 17, the upper welding seat 8 is provided with upper welding structures 16 with the same number as that of the support rods, each upper welding structure 16 comprises an upper welding groove 18, two arc-shaped metal clamping blocks 19 are arranged inside each upper welding groove 18, the distance between the two metal clamping blocks 19 is smaller than the diameter of the lamp filament 5, the lower welding seat 2 is provided with lower welding seats 2 with the same number as that of the upper welding grooves 18, each lower welding seat 2 is internally provided with a metal seat 9, the upper end of the metal seat 9 is provided with a lower welding groove 10, the metal seat 9 is internally provided with a locking block 11 which is transversely arranged, the locking block 11 can transversely move in a certain range relative to the metal seat 9, one end of the locking block 11, which is positioned outside, is provided with a pressing block 13, the metal seat 9 is internally provided with a spring 12 in a compression state, and the spring 12 is abutted against the other end of the locking block 11, the locking block 11 is provided with a vertical locking hole 14, when the locking block 11 is located at the deepest position of the metal seat 9, the locking hole 14 corresponds to the position of the lower welding groove 10, and the metal seat 9 is electrically connected with a conductive wire 15 arranged on the lower welding seat 2.

Further, as shown in fig. 2 and 4, the lower welding groove 10 is conical, the upper welding groove 18 is rectangular, and the lower welding groove 10 and the upper welding groove 18 are arranged to facilitate welding of the welding liquid in the grooves.

Further, as shown in fig. 6, the number of the retainers 4 is three, and the number of the retaining rods on each retainer 4 is four, and similarly, the number of the retainers 4 may also be four, and the number of the retaining rods on each retainer 4 is three, which can be designed according to requirements.

Further, the support groove 20 and the holding groove 21 are both arc-shaped structures, and the corresponding angle of the arcs of the support groove 20 and the holding groove 21 is 240 °, and by adopting the above structure, the filament 5 cannot be dislocated after being clamped into the support groove 20 and the holding groove 21.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a welding assembly structure of thorium tungsten filament which characterized in that: comprises a base (1), a lower welding seat (2), a lamp post (3), holders (4), a filament (5), a support frame (6), a lamp wick (7) and an upper welding seat (8), wherein the lower welding seat (2) is arranged on the base (1), the lamp post (3) is arranged on the lower welding seat (2), the lamp wick (7) is arranged on the lamp post (3), the holders (4) are uniformly arranged on the lamp post (3), each holder (4) consists of a plurality of holding rods, the side surface of each holding rod is provided with a holding groove (21), the opening directions of the holding grooves (21) on the holding rods corresponding to the upper holder (4) and the lower holder (4) are opposite, the support frame (6) is arranged on the lamp post (3) above the holder (4), the support rods with the same number as the holding rods on each holder (4) are arranged on the support frame (6), the end part of each supporting rod is provided with a supporting groove (20), the upper welding seat (8) is arranged on the side wall of the lamp wick (7), the upper welding seat (8) is connected with the lamp wick (7) through a conductive supporting rod (17), the upper welding seat (8) is provided with upper welding structures (16) with the same number as the supporting rods, each upper welding structure (16) comprises an upper welding groove (18), two arc-shaped metal clamping blocks (19) are arranged inside each upper welding groove (18), the distance between the two metal clamping blocks (19) is smaller than the diameter of the lamp filament (5), the lower welding seats (2) are provided with lower welding seats (2) with the same number as the upper welding grooves (18), each lower welding seat (2) is internally provided with a metal seat (9), the upper end of each metal seat (9) is provided with a lower welding groove (10), and the metal seats (9) are internally provided with locking blocks (11) which are transversely arranged, the utility model discloses a welding process, including latch segment (11), metal holder (9), spring (12), latch segment (11) and locking piece (11), the lateral shifting of certain limit can be done to latch segment (11) relative metal holder (9), the one end that latch segment (11) are located the outside is equipped with presses briquetting (13), metal holder (9) inside is equipped with compression state's spring (12), the other end butt of spring (12) and latch segment (11), be equipped with vertical locking hole (14) on latch segment (11), when latch segment (11) are located metal holder (9) deepest position, locking hole (14) correspond with welding groove (10) position down, metal holder (9) and setting conductor wire (15) electric connection on welding seat (2) under.

2. The welding assembly structure of thorium tungsten filament of claim 1, wherein: the structure of the lower welding groove (10) is conical, and the structure of the upper welding groove (18) is rectangular.

3. The welding assembly structure of thorium tungsten filament of claim 2, wherein: the number of the holding frames (4) is three, and the number of the holding rods on each holding frame (4) is four.

4. The welding assembly structure of thorium tungsten filament of claim 3, wherein: the supporting groove (20) and the holding groove (21) are both arc-shaped structures, and the corresponding angle of the arcs of the supporting groove (20) and the holding groove (21) is 240 degrees.