CN211788473U

CN211788473U - Transformer with lead wire free of welding structure

Info

Publication number: CN211788473U
Application number: CN202020853374.9U
Authority: CN
Inventors: 关天育; 关天正; 吕鑫; 龙华祥; 申忠伟; 魏仲达; 赵建影; 杨以法; 周长安
Original assignee: Hebei Tianyu Jiuwu Electric Co ltd
Current assignee: Hebei Tianyu Jiuwu Electric Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-10-27
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a welded structure's transformer is exempted from to lead wire, including transformer main part and transformer insulator, transformer main part's top is provided with transformer insulator, transformer insulator's top is provided with the connector, and the through-hole has been seted up to the centre of connector, and is provided with the briquetting in this through-hole, the both ends of briquetting respectively with the both sides lateral wall sliding connection of through-hole, and press from both sides the one end that is equipped with the lead wire main part between the base of through-hole on briquetting and the connector, the screw rod is worn to be equipped with at the top of connector, and the lower extreme top of screw rod is at the top of briquetting, and the upper end of screw rod is provided. This transformer of welded structure is exempted from to lead wire adopts structural design such as connector and briquetting for the lead wire main part can be fixed by the interlock centre gripping under the rotation of screw rod, has both guaranteed the steadiness of connecting, and makes the lead wire main part conveniently dismantle, thereby the subsequent maintenance of being more convenient for.

Description

Transformer with lead wire free of welding structure

Technical Field

The utility model relates to a transformer technical field specifically is a welded structure's transformer is exempted from to lead wire.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

Traditional transformer lead wire passes through welded fastening, and this connection is convenient though simple direct, but when follow-up maintenance need be dismantled, very troublesome, some not enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welded structure's transformer is exempted from to lead wire to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a welded structure's transformer is exempted from to lead wire, includes transformer main part and transformer insulator, transformer main part's top is provided with transformer insulator, transformer insulator's top is provided with the connector, and the through-hole has been seted up to the centre of connector, and is provided with the briquetting in this through-hole, the both ends of briquetting respectively with the both sides lateral wall sliding connection of through-hole, and press from both sides the one end that is equipped with the lead wire main part between the base of through-hole on briquetting and the connector, the screw rod is worn to be equipped with at the top of connector, and the lower extreme top of screw rod is at the top.

Preferably, the bottom of the pressing block and the bottom edge of the through hole in the connecting head are respectively provided with convex teeth at equal intervals, and the convex teeth on the pressing block and the convex teeth on the connecting head are distributed in a staggered mode.

Preferably, the two sides of the pressing block are respectively provided with a protrusion, the side walls of the two sides of the through hole on the connecting head are respectively provided with a strip-shaped groove, and the protrusions are matched with the strip-shaped grooves in structure.

Preferably, a vertical frame is arranged on one side of the transformer insulator, a support ring is arranged at the top of the vertical frame, a locking cylinder is arranged on one side of the support ring, and the lead main body penetrates through the middle of the support ring and the locking cylinder.

Preferably, the locking cylinder is in a circular truncated cone shape, the locking cylinder is in a forked structure, the locking cylinder is sleeved with the locking ring, the inner wall of the locking ring is in a circular truncated cone shape, and the locking ring is in threaded connection with the locking cylinder.

Preferably, the connector is sleeved with a barrel cover, and the barrel cover is connected with the connector in a clamping manner.

Compared with the prior art, the beneficial effects of the utility model are that: this transformer of welded structure is exempted from to lead wire adopts structural design such as connector and briquetting for the lead wire main part can be fixed by the interlock centre gripping under the rotation of screw rod, has both guaranteed the steadiness of connecting, and makes the lead wire main part conveniently dismantle, thereby the subsequent maintenance of being more convenient for.

Drawings

Fig. 1 is a front view of a transformer with a lead welding-free structure according to the present invention;

fig. 2 is a side view of a transformer connector of a lead welding-free structure according to the present invention;

FIG. 3 is a cross-sectional view of a transformer connector and a press block of a lead wire welding-free structure of the present invention;

fig. 4 is a front view of the transformer locking cylinder with lead wire free welding structure of the present invention.

In the figure: 1. the transformer comprises a transformer body, 2, a lead body, 3, a hexagonal column head, 4, a connector, 5, a screw, 6, a pressing block, 7, a convex tooth, 8, a transformer insulator, 9, a cylinder cover, 10, a locking ring, 11, a locking cylinder, 12, a support ring, 13 and a vertical frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a transformer with a lead wire welding-free structure comprises a transformer main body 1 and a transformer insulator 8, wherein the transformer insulator 8 is arranged at the top of the transformer main body 1, a connector 4 is arranged at the top of the transformer insulator 8, the connector 4 and the transformer insulator 8 are of an integral structure, a through hole is formed in the middle of the connector 4, a pressing block 6 is arranged in the through hole, two ends of the pressing block 6 are respectively connected with the side walls of two sides of the through hole in a sliding manner, one end of the lead wire main body 2 is clamped between the pressing block 6 and the bottom edge of the through hole in the connector 4, the pressing block 6 and the connector 4 can clamp and fix the lead wire main body 2, the bottom of the pressing block 6 and the bottom edge of the through hole in the connector 4 are respectively provided with a convex tooth 7 at equal intervals, the convex teeth 7 on the pressing block 6 and the convex teeth, the fixing effect of the lead main body 2 is greatly improved, the two sides of the pressing block 6 are respectively provided with a bulge, the side walls of the two sides of the through hole on the connecting head 4 are respectively provided with a strip-shaped groove, the bulges are matched with the strip-shaped grooves in structure, the pressing block 6 can slide up and down more stably along the connecting head 4 through the mutual limitation of the bulges and the strip-shaped grooves, the top of the connecting head 4 is penetrated with a screw rod 5, the screw rod 5 is in threaded connection with the connecting head 4, the lower end of the screw rod 5 is propped against the top of the pressing block 6, the upper end of the screw rod 5 is provided with a hexagonal cylindrical head 3, the hexagonal cylindrical head 3 and the screw rod 5 are in an integral structure, the structure enables the screw rod 5 to move up and down when rotating, so that the pressing block 6 can be propped downwards by the screw rod 5, the pressing block 6 and the connecting head 4 can stably clamp and fix, thereby facilitating subsequent maintenance, one side of the transformer insulator 8 is provided with a vertical frame 13, the bottom of the vertical frame 13 is welded with the top of the transformer body 1, the top of the vertical frame 13 is provided with a support ring 12, the two are welded, one side of the support ring 12 is provided with a locking cylinder 11, the locking cylinder 11 is welded with the support ring 12, and the lead body 2 penetrates through the middle of the support ring 12 and the locking cylinder 11, the structure can support the lead body 2 in an auxiliary manner, the stability of the lead body 2 is improved, the locking cylinder 11 is in a circular truncated cone shape, and the locking cylinder 11 is in a forked structure, the structure enables the diameter of the locking cylinder 11 to have a certain adjustable space, the locking cylinder 11 is sleeved with a locking ring 10, the inner wall of the locking ring 10 is in a circular truncated cone shape, the locking ring 10 is in threaded connection with the locking cylinder 11, when the locking ring 10 is screwed and pressed on the locking cylinder 11, the outer wall, can be close to gradually between its bifurcation structure to make and reduce between the locking section of thick bamboo 11, thereby can will run through in 2 centre gripping of lead wire main part wherein fixed, 4 overcoat of connector is equipped with cover 9, and cover 9 is connected for the block with connector 4, and cover 9 adopts the rubber material, and this structure can shelter from the protection to the junction of lead wire main part 2 and connector 4, and is safer.

The working principle is as follows: when the transformer with the lead welding-free structure is used, whether parts of the transformer are damaged or not or the transformer is not firmly connected is firstly checked, the transformer is used after the device is checked to be correct, the top of the transformer insulator 8 is provided with a connector 4, one end of the lead main body 2 is inserted into a through hole in the middle of the connector 4, the pressing block 6 in the through hole in the middle of the connector 4 can press and fix the end part of the lead main body 2, and the convex teeth 7 at the bottom of the pressing block 6 can bite and fix the lead main body 2, so that the connection stability of the lead main body 2 is ensured, the pressing effect of the pressing block 6 is supported by the screw rod 5, an operator can control the screw rod 5 to move up and down by rotating the screw rod 5, thereby can make briquetting 6 lose the roof pressure effect to make lead wire main part 2 can conveniently dismantle, the subsequent maintenance of being more convenient for, this is the theory of operation of this lead wire exempts from welded structure's transformer.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a welding structure's transformer is exempted from to lead wire, includes transformer main part (1) and transformer insulator (8), the top of transformer main part (1) is provided with transformer insulator (8), its characterized in that: the top of transformer insulator (8) is provided with connector (4), and the through-hole has been seted up to the centre of connector (4), and is provided with briquetting (6) in this through-hole, the both ends of briquetting (6) respectively with the both sides lateral wall sliding connection of through-hole, and press from both sides the one end that is equipped with lead wire main part (2) between the base of through-hole on briquetting (6) and connector (4), screw rod (5) are worn to be equipped with at the top of connector (4), and the lower extreme top of screw rod (5) is at the top of briquetting (6), and the upper end of screw rod (5) is provided with hexagonal cylindricality head (3).

2. The transformer with a lead wire free from welding structure as claimed in claim 1, wherein: the bottom of briquetting (6) and the base of through-hole are provided with dogtooth (7) respectively in equidistance on connector (4), and dogtooth (7) on briquetting (6) and connector (4) go up the position staggered distribution of dogtooth (7).

3. The transformer with a lead wire free from welding structure as claimed in claim 1, wherein: the both sides of briquetting (6) are provided with the arch respectively, the bar groove has been seted up on the both sides lateral wall of through-hole on connector (4) respectively, just the arch with the structure phase-match in bar groove.

4. The transformer with a lead wire free from welding structure as claimed in claim 1, wherein: one side of the transformer insulator (8) is provided with a vertical frame (13), the top of the vertical frame (13) is provided with a support ring (12), one side of the support ring (12) is provided with a locking cylinder (11), and the lead body (2) penetrates through the middle of the support ring (12) and the locking cylinder (11).

5. The transformer with a lead wire free-welding structure as set forth in claim 4, wherein: the locking cylinder (11) is in a circular truncated cone shape, the locking cylinder (11) is in a forked structure, the locking cylinder (11) is sleeved with the locking ring (10), the inner wall of the locking ring (10) is in a circular truncated cone shape, and the locking ring (10) is in threaded connection with the locking cylinder (11).

6. The transformer with a lead wire free from welding structure as claimed in claim 1, wherein: the barrel cover (9) is sleeved outside the connector (4), and the barrel cover (9) is connected with the connector (4) in a clamping mode.