CN215731168U

CN215731168U - Anti-static NX 2-grade dry-type transformer

Info

Publication number: CN215731168U
Application number: CN202121630726.5U
Authority: CN
Inventors: 林方; 陈良; 陈燕
Original assignee: Suzhou Antai Transformer Co ltd
Current assignee: Suzhou Antai Transformer Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-02-01
Anticipated expiration: 2031-07-16

Abstract

The utility model belongs to the field of dry-type transformers, and particularly relates to an anti-static NX 2-grade dry-type transformer, which comprises an upper iron yoke, a low-voltage copper bar, a coil, a base, a dust guard, a dust cover, a T-shaped rod, a clamping block, a ring, a first spring, a hollow block, a rotating pin, a rotating rod, a torsion spring, a T-shaped block, a second spring, a limiting block, a limiting groove, a supporting block, a mounting bolt and a threaded hole; install the dust cover on the dust guard, make the rectangular channel on the dust cover align with the rectangular channel on the dust guard, insert inside the rectangular channel T type pole and fixture block, make the fixture block pass the rectangular channel, at T type pole grafting in-process, the dust cover extrudees the ring, and then extrude spring one, rotate T type pole after that, T type pole rotates and drives the fixture block and rotate, make the fixture block be 90 with the contained angle of rectangular channel, under the effect of spring elasticity, the reverse pulling fixture block of T type pole, make fixture block and dust guard laminating, and then accomplish being connected of dust guard and dust cover.

Description

Anti-static NX 2-grade dry-type transformer

Technical Field

The utility model relates to the field of dry-type transformers, in particular to an anti-static NX 2-level dry-type transformer.

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 is exposed to the outside, so that dust is easily accumulated on the surface of the dry-type transformer, and the dust is easily subjected to static electricity, so that the normal use of the dry-type transformer is influenced.

The dry-type transformer that uses at present has certain defect, lacks the convenient coupling mechanism of dust guard and dust cover, causes inconveniently with the dust cover joint on the dust guard, and then inconvenient to the dry-type transformer protection of preventing dust. Therefore, an NX 2-grade dry-type transformer capable of preventing static electricity is provided for the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problems that the dust cover is inconvenient to clamp on the dust cover due to the lack of a convenient connecting mechanism of the dust cover and the dust cover, and further the dry-type transformer is inconvenient to carry out dust protection, the utility model provides an anti-static NX 2-grade dry-type transformer.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to an anti-static NX 2-grade dry-type transformer, which comprises an upper iron yoke, a low-voltage copper bar, a coil, a base, a dustproof plate, a dustproof cover and a connecting mechanism, wherein the upper iron yoke is installed at the top end of the coil;

the connecting mechanism comprises a T-shaped rod, a clamping block, a ring and a first spring, the T-shaped rod is installed on the outer side of the dustproof cover, one end of the T-shaped rod penetrates through the dustproof cover and the dustproof plate, the clamping block is fixedly installed on the T-shaped rod, the first spring is fixedly installed on the T-shaped rod, the other end of the first spring is fixedly installed with the ring, one end of the ring is attached to the dustproof cover, the dustproof cover is installed on the dustproof plate, a rectangular groove in the dustproof cover is aligned with a rectangular groove in the dustproof plate, the T-shaped rod and the clamping block are inserted into the rectangular groove, the clamping block penetrates through the rectangular groove, the ring is extruded by the dustproof cover in the inserting process of the T-shaped rod, the first spring is extruded, then the T-shaped rod is rotated to drive the clamping block to rotate, the included angle between the clamping block and the rectangular groove is 90 degrees, the clamping block is reversely pulled by the T-shaped rod under the action of the elastic force of the first spring, and the clamping block is attached to the dustproof plate, thereby completing the connection of the dust guard and the dust cover.

Preferably, rectangular grooves are formed in one ends of the dust guard and the dust cover, and the size of the cross section of each rectangular groove is the same as that of the cross section of each clamping block; the design of rectangular channel is convenient for the fixture block to pass dust guard and dust cover, is convenient for install T type pole inside dust guard and dust cover.

Preferably, more than two hollow blocks are uniformly and fixedly installed on the upper iron yoke, a rotating pin is rotatably installed in each hollow block, and a rotating rod is fixedly installed on the annular side surface of each rotating pin; the design of rotating pin and dwang is convenient for rotate the dwang to horizontal position, and then is convenient for raise the dust cover, is convenient for maintain dry-type transformer.

Preferably, the annular side surface of the rotating pin is fixedly provided with a miniature bearing, the outer sides of the miniature bearings are fixedly arranged in the hollow block, the annular side surface of the rotating pin is fixedly provided with a torsion spring, and the outer side of the torsion spring is fixedly arranged in the hollow block; the design of miniature bearing is convenient for the rotating pin to rotate and is installed inside hollow block, and the design of torsional spring is convenient for the rotation of rotating pin and dwang to reset.

Preferably, a T-shaped block is installed at one end of the hollow block fixedly installed with the torsion spring, one end of the T-shaped block extends into the hollow block and is fixedly installed with a limiting block, a limiting groove is formed at one end of the rotating pin fixedly installed with the torsion spring, and the size of the cross section of the limiting groove is the same as that of the cross section of the limiting block; the rotating pin rotates to drive the limiting groove to rotate, when the limiting groove is aligned with the limiting block, the T-shaped block is moved to drive the limiting block to move into the limiting groove under the action of the elastic force of the spring, the rotating pin and the rotating rod are fixed, and the rotating rod is in a horizontal state at the moment.

Preferably, a second spring is installed on the outer side of the annular side face of the T-shaped block, and two ends of the second spring are fixedly installed on the T-shaped block and the hollow block respectively; the second spring is designed to facilitate the movement of the T-shaped block and the limiting block.

Preferably, more than two ball grooves are uniformly formed in one end, close to the dust cover, of the circular ring, balls are arranged in the ball grooves in a rolling mode, and the spherical side faces of the balls are attached to the dust cover; the design of the ball reduces the friction between the ring and the dust cover.

Preferably, a circular through hole is formed in one end of the rotating rod, a rotating pin is arranged in the circular through hole, a fastening bolt is fixedly arranged at the top end of the rotating rod, and the bottom end of the fastening bolt penetrates through the rotating rod and extends into the rotating pin; the design of the circular through hole and the fastening bolt is convenient for fixedly installing the rotating rod on the annular side surface of the rotating pin.

The utility model has the advantages that:

1. according to the utility model, the dust cover is arranged on the dust cover, so that the rectangular groove on the dust cover is aligned with the rectangular groove on the dust cover, the T-shaped rod and the fixture block are inserted into the rectangular groove, the fixture block penetrates through the rectangular groove, the dust cover extrudes the ring in the process of inserting the T-shaped rod, and further extrudes the first spring, then the T-shaped rod is rotated, the T-shaped rod rotates to drive the fixture block to rotate, so that the included angle between the fixture block and the rectangular groove is 90 degrees, the fixture block is reversely pulled by the T-shaped rod under the action of elastic force of the first spring, so that the fixture block is attached to the dust cover, and further the connection between the dust cover and the dust cover is completed, and the problems that the dust cover is inconvenient to be clamped on the dust cover and further the dry-type transformer is inconvenient to be protected from dust due to the lack of a convenient connection mechanism for the dust cover and the dust cover are solved;

2. according to the utility model, the rotating pin is utilized to rotate the rotating rod, the rotating pin is rotated to drive the rotating pin to rotate, the rotating pin is rotated to drive the limiting groove to rotate, when the limiting groove is aligned with the limiting block, the T-shaped block is moved to drive the limiting block to move into the limiting groove under the action of the second elastic force of the spring, so that the positions of the rotating pin and the rotating rod are fixed, the rotating rod is in a horizontal state at the moment, and the dust cover is conveniently lifted, so that the problem that the dust cover is covered on the outer side of the coil and the coil is inconvenient to maintain is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is a schematic view illustrating an assembly structure of the T-shaped rod and the latch according to the first embodiment;

FIG. 3 is an enlarged view of a portion A of the first embodiment;

FIG. 4 is a front view of the internal structure of the hollow block according to the first embodiment;

FIG. 5 is a side view showing the internal structure of the hollow block according to the first embodiment;

fig. 6 is a schematic view of a dust-proof plate mounting structure according to a second embodiment.

In the figure: 1. an upper iron yoke; 2. low-voltage copper bars; 3. a coil; 4. a base; 5. a dust-proof plate; 6. a dust cover; 7. a T-shaped rod; 8. a clamping block; 9. a circular ring; 10. a first spring; 11. a hollow block; 12. a rotation pin; 13. rotating the rod; 14. a torsion spring; 15. a T-shaped block; 16. a second spring; 17. a limiting block; 18. a limiting groove; 19. a support block; 20. installing a bolt; 21. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-5, an anti-static NX 2-stage dry-type transformer includes an upper yoke 1, a low-voltage copper bar 2, a coil 3, a base 4, a dust guard 5, a dust guard 6 and a connecting mechanism, where the upper yoke 1 is mounted at the top end of the coil 3, the top end of the coil 3 is mounted with the low-voltage copper bar 2, the upper yoke 1 is inserted into the low-voltage copper bar 2, the bottom end of the coil 3 is mounted with the base 4, the top end of the upper yoke 1 is mounted with the dust guard 5, and the bottom end of the dust guard 5 is mounted with the dust guard 6;

the connecting mechanism comprises a T-shaped rod 7, a clamping block 8, a circular ring 9 and a first spring 10, the T-shaped rod 7 is installed on the outer side of the dust cover 6, one end of the T-shaped rod 7 penetrates through the dust cover 6 and the dust plate 5 and is fixedly provided with the clamping block 8, the first spring 10 is fixedly installed on the T-shaped rod 7, the circular ring 9 is fixedly installed at the other end of the first spring 10, and one end of the circular ring 9 is attached to the dust cover 6; the during operation, install dust cover 6 on dust guard 5, make rectangular channel on the dust cover 6 align with the rectangular channel on the dust guard 5, insert inside the rectangular channel T type pole 7 and fixture block 8, make fixture block 8 pass the rectangular channel, at T type pole 7 grafting in-process, dust cover 6 extrudees ring 9, and then extrude spring 10, rotate T type pole 7 after that, T type pole 7 rotates and drives fixture block 8 and rotate, make fixture block 8 be 90 with the contained angle of rectangular channel, under the effect of spring 10 elasticity, reverse pulling fixture block 8 of T type pole 7, make fixture block 8 and 5 laminating of dust guard, and then accomplish being connected of dust guard 5 and dust cover 6.

Rectangular grooves are formed in one ends of the dust guard 5 and the dust guard 6, and the size of the cross section of each rectangular groove is the same as that of the cross section of the fixture block 8; during operation, the design of the rectangular groove is convenient for the fixture block 8 to penetrate through the dust guard 5 and the dust cover 6, and the T-shaped rod 7 is convenient to be installed inside the dust guard 5 and the dust cover 6.

More than two hollow blocks 11 are uniformly and fixedly installed on the upper iron yoke 1, a rotating pin 12 is rotatably installed inside each hollow block 11, and a rotating rod 13 is fixedly installed on the annular side surface of each rotating pin 12; during operation, the rotating pin 12 and the rotating rod 13 are designed to facilitate the rotating rod 13 to rotate to the horizontal position, so that the dust cover 6 can be raised conveniently, and the dry-type transformer can be maintained conveniently.

The annular side surface of the rotating pin 12 is fixedly provided with a miniature bearing, the outer sides of the miniature bearings are fixedly arranged inside the hollow block 11, the annular side surface of the rotating pin 12 is fixedly provided with a torsion spring 14, and the outer side of the torsion spring 14 is fixedly arranged inside the hollow block 11; during operation, the micro bearing is designed to facilitate the rotation pin 12 to be rotatably installed inside the hollow block 11, and the torsion spring 14 is designed to facilitate the rotation pin 12 and the rotation rod 13 to be rotatably reset.

A T-shaped block 15 is mounted at one end of a torsion spring 14 fixedly mounted on the hollow block 11, one end of the T-shaped block 15 extends into the hollow block 11 and is fixedly mounted with a limiting block 17, a limiting groove 18 is formed at one end of the torsion spring 14 fixedly mounted on the rotating pin 12, and the size of the cross section of the limiting groove 18 is the same as that of the limiting block 17; during operation, the rotating pin 12 rotates and drives the limiting groove 18 to rotate, when the limiting groove 18 is aligned with the limiting block 17, under the action of the elastic force of the second spring 16, the T-shaped block 15 moves and drives the limiting block 17 to move and enter the limiting groove 18, the positions of the rotating pin 12 and the rotating rod 13 are further fixed, and the rotating rod 13 is in a horizontal state at the moment.

A second spring 16 is arranged on the outer side of the annular side face of the T-shaped block 15, and two ends of the second spring 16 are fixedly arranged on the T-shaped block 15 and the hollow block 11 respectively; during operation, the second spring 16 is designed to facilitate the movement of the T-shaped block 15 and the limiting block 17.

More than two ball grooves are uniformly formed in one end, close to the dust cover 6, of the circular ring 9, balls are arranged in the ball grooves in a rolling mode, and the spherical side faces of the balls are attached to the dust cover 6; in operation, the design of the balls reduces the friction between the ring 9 and the dust cover 6.

A circular through hole is formed in one end of the rotating rod 13, a rotating pin 12 is installed in the circular through hole, a fastening bolt is fixedly installed at the top end of the rotating rod 13, and the bottom end of the fastening bolt penetrates through the rotating rod 13 and extends into the rotating pin 12; during operation, the circular through holes and the fastening bolts are designed to facilitate the fixed mounting of the turning rod 13 on the annular side surface of the turning pin 12.

Example two

Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, two supporting blocks 19 are symmetrically and fixedly mounted at the top end of the upper iron yoke 1, the top ends of the supporting blocks 19 are attached to the dust-proof plate 5, a threaded hole 21 is formed at the top end of each supporting block 19, a mounting bolt 20 is assembled at the top end of the dust-proof plate 5, and the bottom end of the mounting bolt penetrates through the dust-proof plate 5 and extends into the threaded hole 21; during operation, install dust guard 5 on supporting shoe 19 for mounting bolt 20 bottom aligns with screw hole 21, twists mounting bolt 20, and mounting bolt 20 removes along screw hole 21, and mounting bolt 20 removes and laminates with dust guard 5 top, and then accomplishes dust guard 5's installation.

The theory of operation, install dust cover 6 on dust guard 5, make rectangular channel on the dust cover 6 align with the rectangular channel on the dust guard 5, insert inside the rectangular channel T type pole 7 and fixture block 8, make fixture block 8 pass the rectangular channel, at T type pole 7 grafting in-process, dust cover 6 extrudees ring 9, and then extrude spring 10, rotate T type pole 7 after that, T type pole 7 rotates and drives fixture block 8 and rotate, make fixture block 8 be 90 with the contained angle of rectangular channel, under the effect of spring 10 elasticity, reverse pulling fixture block 8 of T type pole 7, make fixture block 8 and 5 laminating of dust guard, and then accomplish being connected of dust guard 5 and dust cover 6.

Utilize the rotating pin 12 to rotate dwang 13, dwang 13 rotates and drives rotating pin 12 and rotate, and rotating pin 12 rotates and drives spacing groove 18 and rotates, and when spacing groove 18 and stopper 17 align, under the effect of the second 16 elasticity of spring, T type piece 15 moves and drives stopper 17 and move and get into inside spacing groove 18, and then fixes the position of rotating pin 12 and dwang 13, and dwang 13 is in the horizontality this moment, and then is convenient for raise dust cover 6.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. An anti-static NX2 dry-type transformer, which is characterized in that: the device comprises an upper iron yoke (1), a low-voltage copper bar (2), a coil (3), a base (4), a dust guard (5), a dust guard (6) and a connecting mechanism, wherein the upper iron yoke (1) is installed at the top end of the coil (3), the low-voltage copper bar (2) is installed at the top end of the coil (3), the upper iron yoke (1) is inserted into the low-voltage copper bar (2), the base (4) is installed at the bottom end of the coil (3), the dust guard (5) is installed at the top end of the upper iron yoke (1), and the dust guard (6) is installed at the bottom end of the dust guard (5);

coupling mechanism includes T type pole (7), fixture block (8), ring (9) and spring (10), T type pole (7) are installed in dust cover (6) outside, dust cover (6) and dust guard (5) and fixed mounting have fixture block (8) are passed to T type pole (7) one end, fixed mounting has spring (10) on T type pole (7), and spring (10) other end fixed mounting has ring (9), ring (9) one end is laminated with dust cover (6) mutually.

2. The anti-static NX2 dry-type transformer as claimed in claim 1, wherein: rectangular channels are formed in one ends of the dust guard (5) and the dust guard (6), and the cross section of each rectangular channel is the same as that of the corresponding clamping block (8).

3. The anti-static NX2 dry-type transformer as claimed in claim 2, wherein: go up even fixed mounting more than two hollow block (11) on indisputable yoke (1), hollow block (11) internal rotation installs rotating pin (12), fixed mounting has dwang (13) on rotating pin (12) annular side.

4. The NX2 dry-type transformer of claim 3, wherein: fixed mounting has miniature bearing on the swivel pin (12) annular side, and the equal fixed mounting in the miniature bearing outside is inside hollow block (11), fixed mounting has torsional spring (14) on swivel pin (12) annular side, and torsional spring (14) outside fixed mounting is inside hollow block (11).

5. The NX2 dry-type transformer of claim 4, wherein: hollow block (11) fixed mounting torsional spring (14) one end is installed T type piece (15), T type piece (15) one end extends to hollow block (11) inside and fixed mounting has stopper (17), spacing groove (18) have been seted up to swivel pin (12) fixed mounting torsional spring (14) one end, the size of spacing groove (18) cross section is the same with the size of stopper (17) cross section.

6. The NX2 dry-type transformer of claim 5, wherein: and a second spring (16) is arranged on the outer side of the annular side surface of the T-shaped block (15), and two ends of the second spring (16) are respectively and fixedly arranged on the T-shaped block (15) and the hollow block (11).

7. The anti-static NX2 dry-type transformer as claimed in claim 1, wherein: more than two ball grooves are uniformly formed in one end, close to the dust cover (6), of the circular ring (9), balls are arranged in the ball grooves in a rolling mode, and the spherical side faces of the balls are attached to the dust cover (6).

8. The NX2 dry-type transformer of claim 3, wherein: dwang (13) one end has been seted up circular through-hole, and circular through-hole internally mounted has rotating pin (12), dwang (13) top fixed mounting has fastening bolt, and inside the fastening bolt bottom passed dwang (13) and extended to rotating pin (12).