CN212907320U

CN212907320U - Dry-type transformer with easily-installed fastening device

Info

Publication number: CN212907320U
Application number: CN202022055559.8U
Authority: CN
Inventors: 史少锋
Original assignee: Anhui Longhe Power Group Co ltd
Current assignee: Anhui Longhe Power Group Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-04-06
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to a dry-type transformer technical field just discloses a dry-type transformer that fastener was easily installed, the on-line screen storage device comprises a base, base upper portion is provided with down the clamp splice, the quantity of clamp splice is two down, clamp splice upper portion is provided with wire winding group down, wire winding group's quantity is three, wire winding group upper portion is provided with the clamp splice, the quantity of going up the clamp splice is two, it has the fastening bolt with lower clamp splice to set up the through-hole through connection, the fastening bolt is including the bolt post, first wrong cap, fixed projection, bolt cover, spacing groove, spring and the wrong cap of twisting of second. This dry-type transformer that fastener was easily installed, the post and the rotatory grafting of bolt cover through setting up the fastening bolt, fixed projection joint will go up the both sides locking of clamp splice and lower clamp splice in spacing groove draw-in groove for the fastening to of wire winding group, thereby make the fastening installation more convenient, thereby improved the installation effectiveness.

Description

Dry-type transformer with easily-installed fastening device

Technical Field

The utility model relates to a dry-type transformer technical field specifically is a dry-type transformer of fastener easy installation.

Background

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil. The dry type transformer has no problems of fire, explosion, pollution and the like due to no oil, so the dry type transformer is not required to be arranged in a single room by electrical specifications, regulations and the like. Loss and noise are reduced to new levels, and conditions are created even if the transformer and the low-voltage screen are arranged in the same distribution room. However, the conventional dry-type transformer fastening device is connected by using a fastening piece such as a screw, so that the mounting and fastening time is long, and the mounting efficiency is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a dry-type transformer of fastener easy installation possesses advantages such as the fastening is convenient, installation effectiveness height, has solved the problem that proposes among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dry-type transformer that fastener was easily installed, includes the base, base upper portion is provided with down the clamp splice, the quantity of clamp splice is two down, clamp splice upper portion is provided with winding group down, winding group's quantity is three, winding group upper portion is provided with the clamp splice, the quantity of going up the clamp splice is two, go up the clamp splice and set up through-hole through connection with the clamp splice down and tie, the tie-down includes that the post is tied, first twist the cap soon, fixed projection, bolt cover, spacing groove, spring and second twist the cap soon.

Preferably, the upper clamping block and the lower clamping block are symmetrically provided with the front side and the rear side of the upper end and the lower end of the winding set.

Preferably, the diameter of the through hole formed in the upper clamping block and the lower clamping block is the same as the outer diameter of the bolt sleeve.

Preferably, the outer diameter of the bolt column is matched with the inner diameter of the bolt sleeve, and the bolt column is embedded and connected inside the bolt sleeve.

Preferably, the limiting groove is opened at two sides of the bolt sleeve in an L shape, the fixing convex column is fixedly arranged at two sides of one end, far away from the first screwing cap, of the bolt column, and the fixing convex column is movably connected inside the limiting groove.

Preferably, the spring is fixedly connected to the inner wall of the bolt sleeve at one end close to the second screwing cap.

Compared with the prior art, the utility model provides a dry-type transformer of fastener easy installation possesses following beneficial effect: this dry-type transformer that fastener was easily installed, the post and the rotatory grafting of bolt cover through setting up the fastening bolt, fixed projection joint will go up the both sides locking of clamp splice and lower clamp splice in spacing groove draw-in groove for the fastening to of wire winding group, thereby make the fastening installation more convenient, thereby improved the installation effectiveness.

Drawings

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

FIG. 2 is a schematic view of the fastening bolt of the present invention;

FIG. 3 is a side cross-sectional view of the plug bush of the present invention;

fig. 4 is a schematic view of the fastening bolt of the present invention.

Wherein: 1. a base; 2. winding; 3. a lower clamping block; 4. an upper clamping block; 5. fastening bolts; 501. a stud; 502. a first twist cap; 503. fixing the convex column; 504. a bolt sleeve; 505. a second twist cap; 506. a limiting groove; 507. a spring.

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, a dry-type transformer with an easily installed fastening device includes a base 1, a lower clamping block 3 is disposed on the upper portion of the base 1, the number of the lower clamping block 2 is two, a winding group 2 is disposed on the upper portion of the lower clamping block 3, the number of the winding group 2 is three, an upper clamping block 4 is disposed on the upper portion of the winding group 2, the number of the upper clamping block 4 is two, the upper clamping block 4 and the lower clamping block 3 are symmetrically disposed on the front and rear sides of the upper and lower ends of the winding group 2, a fastening bolt 5 is penetratingly connected to the upper clamping block 4 and the lower clamping block 3, the diameter of the through hole formed on the upper clamping block 4 and the lower clamping block 3 is the same as the outer diameter of a bolt sleeve 504, the fastening bolt 5 includes a bolt 501, a first screwing cap 502, a fixing convex column 503, a bolt sleeve 504, a limiting groove 506, a spring 507 and a second screwing cap 505, the outer diameter of the bolt 501 is matched with the inner diameter of the bolt sleeve, the fixed convex column 503 is fixedly arranged at two sides of one end of the stud 501 far away from the first screwing cap 502, the fixed convex column 503 is movably connected inside the limiting groove 506, and the spring 507 is fixedly connected inside the stud sleeve 504 close to the inner wall of one end of the second screwing cap 505.

When the dry-type transformer is used, the dry-type transformer which is easy to install by the fastening device is characterized in that an operator holds the second screwing cap 505, the bolt sleeve 504 penetrates through holes formed in the surfaces of the upper clamping block 4 and the lower clamping block 3 on one side of the winding set 2 and is fixed on the surfaces of one side of the upper clamping block 4 and one side of the lower clamping block 3, the operator holds the first screwing cap 502, the bolt 501 penetrates through holes formed in the surfaces of the upper clamping block 4 and the lower clamping block 3 on the other side of the winding set 2, the fixing convex column 503 which is fixed on one end of the bolt 501 far away from the first screwing cap 502 is aligned with the opening of the limiting groove 506 on the bolt sleeve 504, the bolt 501 is inserted into the bolt sleeve 504, when the fixing convex column 503 reaches the bottom of the limiting groove 506, the first screwing cap 502 and the second screwing cap 505 are simultaneously rotated in opposite directions, the bolt 501 is rotated by 90 degrees, under the thrust action of the spring 507, the fixing convex column 503 enters the clamping groove of the limiting groove, thereby fastening the winding group 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dry-type transformer that fastener easily installed, includes base (1), its characterized in that: base (1) upper portion is provided with clamp splice (3) down, the quantity of clamp splice (3) is two down, clamp splice (3) upper portion is provided with wire winding group (2) down, the quantity of wire winding group (2) is three, wire winding group (2) upper portion is provided with clamp splice (4), the quantity of going up clamp splice (4) is two, go up clamp splice (4) and lower clamp splice (3) and set up through-hole through connection and have fastening bolt (5), fastening bolt (5) are including bolt post (501), first twist soon cap (502), fixed projection (503), bolt cover (504), spacing groove (506), spring (507) and the second twist soon cap (505).

2. A dry-type transformer with easy-to-install fastening device according to claim 1, wherein: the upper clamping block (4) and the lower clamping block (3) are symmetrically provided with the front side and the rear side of the upper end and the lower end of the winding set (2).

3. A dry-type transformer with easy-to-install fastening device according to claim 1, wherein: the diameter of the through holes formed in the upper clamping block (4) and the lower clamping block (3) is the same as the outer diameter of the bolt sleeve (504).

4. A dry-type transformer with easy-to-install fastening device according to claim 1, wherein: the outer diameter of the bolt column (501) is matched with the inner diameter of the bolt sleeve (504), and the bolt column is embedded and connected inside the bolt sleeve (504).

5. A dry-type transformer with easy-to-install fastening device according to claim 1, wherein: the limiting groove (506) is arranged on two sides of the bolt sleeve (504) in an L shape, the fixing convex column (503) is fixedly arranged on two sides of one end, far away from the first screwing cap (502), of the bolt column (501), and the fixing convex column (503) is movably connected inside the limiting groove (506).

6. A dry-type transformer with easy-to-install fastening device according to claim 1, wherein: the spring (507) is fixedly connected to the inner wall of one end of the inner part of the bolt sleeve (504) close to the second screwing cap (505).