CN217768352U

CN217768352U - Rotary rectifying tube

Info

Publication number: CN217768352U
Application number: CN202221887299.3U
Authority: CN
Inventors: 刘胜弟
Original assignee: ZHEJIANG HUAJING RECTIFIER CO LTD
Current assignee: ZHEJIANG HUAJING RECTIFIER CO LTD
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-08
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a rotary rectifier tube, including conducting rod, chip, tube-shape shell and base, shell inside still is equipped with insulating cover and supporting bearing, and insulating cover cup joints in the outside of conducting rod, supporting bearing with be equipped with the dish spring between the insulating cover, and the supporting bearing top is equipped with the fixed cover, and the lower extreme of fixed cover rotates and installs the rotation lantern ring, is equipped with the draw-in groove on the side of the rotation lantern ring, the below of the rotation lantern ring is equipped with the nut, and the nut carries out threaded connection with the shell, be equipped with the elasticity trip on the nut, form axial fixity, circumference detachable buckle connection between the upper end of elasticity trip and the draw-in groove, when the rotation lantern ring rotates with the nut relatively, the elasticity trip realizes tripping with the draw-in groove, realizes the dismantlement to the fixed cover; the position of the fixed cover can be adjusted through the threaded connection of the nut and the shell during installation, so that the pressing force of the disc spring to the lower part is changed.

Description

Rotary rectifying tube

Technical Field

The utility model relates to a finishing pipe technical field especially relates to a rotatory rectifier tube.

Background

The rotary rectifying element is mainly used on a rotary rectifying circuit of an exciter of a synchronous generator, if the connection between a conducting rod on the rotary rectifying element and a base and a chip is unreliable, looseness or poor contact can be generated between a fixed boss and the chip, the reliability of a flat thyristor in working can be influenced, the service life of the rotary rectifying element can be influenced, the existing rotary rectifying element is troublesome in dismounting process, and the maintenance and replacement of internal elements are inconvenient. In chinese patent publication No. CN209593308U, a detachable rotary rectifying tube is disclosed, in which a clamping block disposed on a fixing cover is clamped and matched with a clamping groove on a housing, so that the rotary rectifying tube is convenient to detach and mount. The defects of the prior art are as follows: (1) When the buckle is disassembled, the two sides of the buckle are not easy to be simultaneously released by hands, so that the buckle is easy to damage; (2) The pressing mode can not change the pressing force of the disc spring to the lower part by manually adjusting the position of the fixing plate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a rotatory rectifier tube, the bare-handed dismantlement of being convenient for adjusts the packing force of dish spring to the below easily moreover.

The utility model provides a technical scheme that its technical problem adopted: the utility model provides a rotatory rectifying tube, includes shell and the base of conducting rod, chip, tube-shape, the conducting rod with the chip is fixed in the shell, the chip is located the conducting rod with between the base, the shell is fixed in on the base, inside insulating cover and the supporting bearing of still being equipped with of shell, insulating cover cup joints the outside of conducting rod, the supporting bearing with be equipped with the dish spring between the insulating cover, the supporting bearing top is equipped with the fixed cover, and the lower extreme of fixed cover rotates and installs the rotation lantern ring, is equipped with the draw-in groove on the side of the rotation lantern ring, the below of rotating the lantern ring is equipped with the nut, and threaded connection is carried out with the shell to the nut, be equipped with the elasticity trip on the nut, form axial fixity, circumference detachable buckle connection between the upper end of elasticity trip and the draw-in groove, when rotating lantern ring and nut relatively rotate, the elasticity trip realizes the dropout with the draw-in groove.

In order to further improve, the top of the fixed cover is provided with an end cover ring sleeved on the conducting rod, a tubular telescopic air bag is fixedly connected between the end cover ring and the fixed cover, a spring is arranged in the tubular telescopic air bag, and an air tap communicated with the inside of the tubular telescopic air bag is arranged on the end cover ring.

Further perfection, the lower extreme of fixed lid is equipped with the location flange, and the location flange is located and rotates between the lantern ring and the nut, the edge of location flange is equipped with the location breach, and the location breach cooperates with the lower extreme unsmooth of elasticity trip.

Further perfection, the shape of the section of the upper end of the elastic clamping hook and the groove shape of the clamping groove are both set to be V-shaped.

Further perfect, the fixed heat dissipation hoop that is provided with on the side of shell, the heat dissipation hoop is located the outside of chip, is equipped with the louvre on the heat dissipation hoop.

Compared with the prior art, the utility model discloses profitable effect is: when the rotating lantern ring and the nut rotate relatively, the elastic clamping hook and the clamping groove are disengaged, and the fixing cover can be detached; the position of the fixed cover can be adjusted through the threaded connection of the nut and the shell during installation, so that the pressing force of the disc spring to the lower part is changed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

description of reference numerals: 1. the device comprises a conducting rod, 2, a chip, 3, a shell, 4, a base, 5, an insulating sleeve, 6, a supporting bearing, 7, a disc spring, 8, a fixing cover, 9, a rotating lantern ring, 10, a clamping groove, 11, a nut, 12, an elastic clamping hook, 13, an end cover ring, 14, a tubular telescopic air bag, 15, a spring, 16, an air nozzle, 17, a positioning flange, 18, a positioning notch, 19 and a heat dissipation hoop.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to figure 1: in the embodiment, a rotary rectifying tube comprises a conductive rod 1, a chip 2, a cylindrical shell 3 and a base 4, wherein the conductive rod 1 and the chip 2 are fixed in the shell 3, the chip 2 is located between the conductive rod 1 and the base 4, the shell 3 is fixed on the base 4, an insulating sleeve 5 and a supporting bearing 6 are further arranged inside the shell 3, the insulating sleeve 5 is sleeved on the outer side of the conductive rod 1, a disc spring 7 is arranged between the supporting bearing 6 and the insulating sleeve 5, a fixing cover 8 is arranged above the supporting bearing 6, the lower end of the fixing cover 8 is rotated to install a rotating lantern ring 9, a clamping groove 10 is formed in the side face of the rotating lantern ring 9, a nut 11 is arranged below the rotating lantern ring 9, the nut 11 is in threaded connection with the shell 3, an elastic clamping hook 12 is arranged on the nut 11, an axially fixed buckle connection and a circumferentially detachable buckle connection are formed between the upper end of the elastic clamping hook 12 and the clamping groove 10, and when the rotating lantern ring 9 and the nut 11 relatively, the elastic clamping hook 12 and the clamping groove 10 are disengaged.

Draw-in groove 10 on the rotating lantern ring 9 and the complex in-process of elasticity trip 12 joint on the nut 11, the lower extreme of fixed lid 8 cooperates and dish spring 7 downwards with 6 butt of supporting bearing, dish spring 7 receives the extrusion to produce deformation and produce elasticity, under the effect of elasticity, insulating cover 5 extrudees the lower extreme of conducting rod 1 downwards for the upper and lower surface of chip 2 has good contact with conducting rod 1 and base 4 respectively, chip 2 has been increased stability and the reliability at the during operation. The rotating lantern ring 9 and the nut 11 can enable the elastic clamping hook 12 to eject out of the clamping groove 10 when rotating relatively, so that tripping is realized, the fixed cover 8 can be detached, and a worker can detach, check and maintain the rotating rectifying tube conveniently. When the nut 11 rotates, the fixed cover 8 can be driven to move up and down, so that the pressing force of the disc spring 7 to the lower part is adjusted.

An end cover ring 13 sleeved on the conducting rod 1 is arranged above the fixing cover 8, a tubular telescopic air bag 14 is fixedly connected between the end cover ring 13 and the fixing cover 8, a spring 15 is arranged inside the tubular telescopic air bag 14, and an air nozzle 16 communicated with the inside of the tubular telescopic air bag 14 is arranged on the end cover ring 13. The tubular telescopic air bag 14 has an insulation protection function on the conducting rod 1. When the length of the conducting rod 1 is long, the air nozzle 16 is opened, the tubular telescopic air bag 14 sucks air under the action of the spring 15, the length is lengthened, the length of the tubular telescopic air bag 14 is fixed after the air nozzle 16 is closed, the height of the conducting rod 1 is matched, a good protection effect is achieved on the conducting rod 1, and the reliability is high. When the length of the conductive rod 1 is short, the length of the tubular expansion airbag 14 is compressed.

The lower extreme of fixed lid 8 is equipped with location flange 17, and location flange 17 is located and rotates between lantern ring 9 and nut 11, the edge of location flange 17 is equipped with location breach 18, and location breach 18 and the unsmooth cooperation of the lower extreme of elasticity trip 12 can realize that circumference between fixed lid 8 and the nut 11 is fixed, can avoid causing elasticity trip 12 and the separation of rotating lantern ring 9 when rotating nut 11.

The upper end cross-sectional shape of the elastic clamping hook 12 and the groove type of the clamping groove 10 are both set to be V-shaped, so that the rotation of the lantern ring 9 can be conveniently rotated, the separation of the elastic clamping hook 12 and the clamping groove 10 is more labor-saving, and the clamping buckle is not easy to damage.

The side of the shell 3 is fixedly provided with a heat dissipation hoop 19, the heat dissipation hoop 19 is located on the outer side of the chip 2, and heat dissipation holes are formed in the heat dissipation hoop 19. The heat generated by the chip 2 in the working process is transferred to the heat dissipation hoop 19, and the heat dissipation holes increase the contact area between the heat dissipation hoop 19 and the air, so that the heat dissipation efficiency is increased.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a rotatory rectifying tube, includes shell (3) and base (4) of conducting rod (1), chip (2), tube-shape, conducting rod (1) with chip (2) are fixed in shell (3), chip (2) are located conducting rod (1) with between base (4), shell (3) are fixed in on base (4), its characterized in that: shell (3) inside still is equipped with insulating cover (5) and supporting bearing (6), insulating cover (5) cup joint the outside of conducting rod (1), supporting bearing (6) with be equipped with dish spring (7) between insulating cover (5), supporting bearing (6) top is equipped with fixed lid (8), and the lower extreme of fixed lid (8) is rotated and is installed and rotate the lantern ring (9), is equipped with draw-in groove (10) on the side of rotating the lantern ring (9), the below of rotating the lantern ring (9) is equipped with nut (11), and threaded connection is carried out with shell (3) in nut (11), be equipped with elasticity trip (12) on nut (11), form axial fixity, circumference detachable buckle between the upper end of elasticity trip (12) and draw-in groove (10) and be connected, when rotating lantern ring (9) and nut (11) relative rotation, elasticity trip (12) and draw-in groove (10) realize the dropout.

2. A rotating rectifier tube according to claim 1, wherein: the top of fixed lid (8) is equipped with end cover ring (13) that the cover set up on conducting rod (1), fixedly connected with tubulose flexible gasbag (14) between end cover ring (13) and fixed lid (8), and tubulose flexible gasbag (14) inside is equipped with spring (15), be equipped with air cock (16) that are linked together with tubulose flexible gasbag (14) inside on end cover ring (13).

3. A rotating rectifier tube according to claim 1, wherein: the lower extreme of fixed lid (8) is equipped with location flange (17), and location flange (17) are located and rotate between lantern ring (9) and nut (11), the edge of location flange (17) is equipped with location breach (18), and location breach (18) and the unsmooth cooperation of lower extreme of elasticity trip (12).

4. A rotating rectifier tube according to claim 1, wherein: the cross section of the upper end of the elastic clamping hook (12) and the groove shape of the clamping groove (10) are both V-shaped.

5. A rotating rectifier tube according to claim 1, wherein: the side face of the shell (3) is fixedly provided with a heat dissipation hoop (19), the heat dissipation hoop (19) is located on the outer side of the chip (2), and heat dissipation holes are formed in the heat dissipation hoop (19).