CN215377119U

CN215377119U - Waterproof power transformer shell made of engineering plastic

Info

Publication number: CN215377119U
Application number: CN202121865045.7U
Authority: CN
Inventors: 张卫华
Original assignee: Taiyou Seiko Technology Taizhou Co ltd
Current assignee: Taiyou Seiko Technology Taizhou Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2021-12-31
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a waterproof power transformer shell made of engineering plastics, which comprises a shell cover, wherein the shell cover consists of a base plate, a shell body, surrounding edges, a limiting plate, two sliding columns and clamping hooks, four sliding columns are arranged, the top end of the base plate is fixedly connected with the shell body, the bottom end of the base plate is fixedly connected with the surrounding edges, four corners of the base plate are respectively provided with a first through hole, the middle parts of two ends of the shell body are respectively provided with a first threaded hole, the shell cover is of an integrated structure, no splicing gap exists, the waterproof protection performance is higher, a sealing inserting cylinder is correspondingly inserted into the inside of a sealing groove, water is prevented from entering the inside of the shell body from the gap between the first threaded hole and the connecting column, the integral sealing performance of the shell body is improved, a sealing ring and a sealing gasket both play a sealing role, and the transformer is integrally fixed on a circuit board after four groups of first through holes and second through holes are penetrated by four screws, with the tightening of screw, the gasket is compressed more closely, and waterproof nature is higher.

Description

Waterproof power transformer shell made of engineering plastic

Technical Field

The utility model belongs to the technical field of power transformers, and particularly relates to a waterproof power transformer shell made of engineering plastics.

Background

The power transformer is a soft magnetic electromagnetic element, and the function is power transmission, voltage transformation and insulating isolation, obtains extensive application in power technology and power electronics technique, and along with the development power transformer's of science and technology application is more and more extensive, current power transformer's shell generally is mosaic structure, and the concatenation gap leads to the leakproofness to reduce in the middle part of casing, and waterproof performance is poor, has the clearance moreover between lead wire and the wire hole, has further reduced the leakproofness of shell.

Disclosure of Invention

The utility model aims to provide a waterproof power transformer shell made of engineering plastics, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a waterproof power transformer shell made of engineering plastics comprises a shell cover, wherein the shell cover is composed of a base plate, a shell body, a surrounding edge, a limiting plate, a sliding column and a clamping hook, the four sliding columns are provided, the two clamping hooks are provided, the top end of the base plate is fixedly connected with a shell, the bottom end of the base plate is fixedly connected with a surrounding edge, four corners of the base plate are all provided with first through holes, first threaded holes are formed in the middle of two ends of the shell, sealing grooves are correspondingly formed in the outer sides of the two first threaded holes, connecting end heads are connected to the inner parts of the two first threaded holes in a threaded mode, the bottom of the inner wall of the base plate is fixedly connected with a limiting plate, the bottom ends of the two sides of the inner wall of the shell are fixedly connected with two sliding columns, the both sides of base plate bottom are equal fixedly connected with trip, the bottom of base plate is connected with mounting structure through two trip block.

Preferably, the link head comprises spliced pole, end plate, sealed cartridge and terminal, the lateral wall of spliced pole is threaded, the one end fixedly connected with end plate of spliced pole, one side fixedly connected with of end plate seals cartridge, the inside of spliced pole is inlayed and is equipped with the terminal, the center of end plate is run through to the one end of terminal.

Preferably, the side wall of the end plate is provided with anti-slip threads, and the sealing insert cylinder is inserted into the sealing groove.

Preferably, the mounting structure comprises bottom plate, sealing washer, mounting panel and sealed the pad, the fixed cover of avris of bottom plate is equipped with the sealing washer, the draw-in groove has all been seted up to the both sides of bottom plate, the top fixedly connected with mounting panel of bottom plate, the mounting groove has been seted up on the top of mounting panel, the second screw hole has all been seted up to four corners of mounting groove bottom, two spouts have all been seted up to the both sides of mounting panel outer wall, the sealed pad of top fixedly connected with of mounting panel.

Preferably, the four sliding columns are respectively in sliding connection with the four sliding grooves, and the two clamping hooks are respectively in clamping connection with the two clamping grooves.

Preferably, the sealing ring and the sealing gasket are made of rubber materials, and the sealing gasket is arranged between the mounting plate and the limiting plate in an extruding mode.

Preferably, the four corners of the bottom plate are all provided with second through holes, and the four second through holes are respectively positioned under the four first through holes.

Compared with the prior art, the utility model has the beneficial effects that: the clamshell formula structure as an organic whole, it is higher not to splice the waterproof protectiveness in clearance, the inside back of the first screw hole of spliced pole screw in, sealed section of thick bamboo of inserting corresponds the inside of inserting the seal groove, carry out sealed protection to first screw hole, prevent that water from getting into the inside of casing from the clearance department of first screw hole and spliced pole, improve the holistic leakproofness of casing, sealing washer and sealed pad all play sealed effect, pass four first through-holes of group and second through-hole through four screws and fix transformer monolithic again on the circuit board, along with screwing up of screw, the sealing pad is inseparabler by the extruded, waterproof nature is higher.

Drawings

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

FIG. 2 is a bottom view of the present invention;

FIG. 3 is a schematic perspective view of the housing of the present invention;

FIG. 4 is a front cross-sectional view of the housing of the present invention;

FIG. 5 is an elevational view of the connection tip of the present invention;

FIG. 6 is a perspective view of the mounting structure of the present invention;

fig. 7 is a front sectional view of the mounting structure of the present invention.

In the figure: 1. a housing; 11. a substrate; 12. a housing; 13. surrounding edges; 14. a first threaded hole; 15. a sealing groove; 16. a limiting plate; 17. a traveler; 18. a hook is clamped; 2. connecting the end heads; 21. connecting columns; 22. an end plate; 23. sealing the inserting cylinder; 24. a binding post; 3. a mounting structure; 31. a base plate; 32. a seal ring; 33. a card slot; 34. mounting a plate; 35. mounting grooves; 36. a second threaded hole; 37. a chute; 38. and a gasket.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: a waterproof power transformer shell made of engineering plastics comprises a shell cover 1, wherein the shell cover 1 comprises a substrate 11, a shell body 12 and a surrounding edge 13, limiting plate 16, traveller 17 and trip 18 constitute, traveller 17 has four, trip 18 has two, the top fixedly connected with casing 12 of base plate 11, base plate 11's bottom fixedly connected with surrounding edge 13, first through-hole has all been seted up to four corners of base plate 11, first screw hole 14 has all been seted up at the middle part at casing 12 both ends, seal groove 15 has all been seted up to the outside of two first screw holes 14 correspondence, the equal threaded connection in inside of two first screw holes 14 has connection end 2, the bottom fixedly connected with limiting plate 16 of base plate 11 inner wall, two travelers 17 of the equal fixedly connected with in bottom of casing 12 inner wall both sides, the equal fixedly connected with trip 18 in both sides of base plate 11 bottom, the bottom of base plate 11 is connected with mounting structure 3 through two trip 18 blocks.

Preferably, connection end 2 comprises spliced pole 21, end plate 22, sealed cartridge 23 and terminal 24, the screw thread has been seted up to spliced pole 21's lateral wall, the one end fixedly connected with end plate 22 of spliced pole 21, the sealed cartridge 23 of one side fixedly connected with of end plate 22, the terminal 24 has been inlayed in spliced pole 21's inside, the center of end plate 22 is run through to terminal 24's one end, be connected power transformer's wiring terminal respectively with two terminal 24 that correspond during manufacturing, with the inside of spliced pole 21 screw in first screw hole 14.

Preferably, the anti-skidding line has been seted up to the lateral wall of end plate 22, and sealed a section of thick bamboo 23 of inserting alternates inside seal groove 15, and sealed a section of thick bamboo 23 of inserting corresponds the inside of inserting seal groove 15, seals the protection to first screw hole 14, prevents that water from getting into the inside of casing from the clearance department of first screw hole 14 and spliced pole 21, improves the holistic leakproofness of casing.

Preferably, mounting structure 3 is by bottom plate 31, sealing washer 32, mounting panel 34 and sealed 38 group become, the fixed cover in avris of bottom plate 31 is equipped with sealing washer 32, draw-in groove 33 has all been seted up to bottom plate 31's both sides, bottom plate 31's top fixedly connected with mounting panel 34, mounting groove 35 has been seted up on mounting panel 34's top, second screw hole 36 has all been seted up to four corners of mounting groove 35 bottom, two spout 37 have all been seted up to the both sides of mounting panel 34 outer wall, the sealed 38 of top fixedly connected with of mounting panel 34, pass through screw fixed mounting inside mounting in mounting groove 35 with power transformer during the manufacturing, with the whole block of mounting structure 3 in the bottom of clamshell 1.

Preferably, the four sliding columns 17 are respectively connected with the four sliding grooves 37 in a sliding manner, the two hooks 18 are respectively connected with the two clamping grooves 33 in a clamping manner, and when the mounting structure 3 is mounted, the two hooks 18 are clamped inside the two clamping grooves 33, so that the shell cover 1 and the mounting structure 3 are integrally mounted in a butt joint manner.

Preferably, the sealing ring 32 and the sealing gasket 38 are both made of rubber materials, the sealing gasket 38 is arranged between the mounting plate 34 and the limiting plate 16 in an extruding mode, the sealing ring 32 and the sealing gasket 38 both have a sealing function, the sealing ring 32 seals a gap between the bottom plate 31 and the surrounding edge 13, the sealing gasket 38 seals the gap between the mounting plate 34 and the limiting plate 16, and double sealing further improves the sealing performance of the whole shell.

Preferably, the second through holes are formed in four corners of the bottom plate 31, the four second through holes are respectively located under the four first through holes and used for mounting, the four screws penetrate through the four groups of first through holes and the four groups of second through holes and then integrally fix the transformer on the circuit board, the sealing gasket 38 is squeezed more tightly along with the screwing of the screws, and the waterproof performance is higher.

The working principle and the using process of the utility model are as follows: during production and manufacturing, the power transformer is fixedly installed inside the installation groove 35 through screws, the terminals of the power transformer are respectively connected with the two corresponding terminals 24, the connection column 21 is screwed into the first threaded hole 14, the sealing insertion cylinder 23 is correspondingly inserted into the sealing groove 15 to seal and protect the first threaded hole 14, water is prevented from entering the inside of the shell from the gap between the first threaded hole 14 and the connection column 21, the integral sealing performance of the shell is improved, the installation structure 3 is integrally clamped at the bottom of the shell cover 1, when the installation structure 3 is installed, the two clamping hooks 18 are clamped inside the two clamping grooves 33, the shell cover 1 and the installation structure 3 are integrally installed in a butt joint mode, the sealing ring 32 and the sealing gasket 38 both play a sealing role, the sealing ring 32 seals the gap between the bottom plate 31 and the surrounding edge 13, and the sealing gasket 38 seals the gap between the installation plate 34 and the limiting plate 16, the double sealing further improves the overall sealing performance of the shell, the four screws penetrate through the four groups of first through holes and second through holes and then fix the transformer on the circuit board integrally, and along with the screwing of the screws, the sealing gasket 38 is squeezed more tightly, so that the waterproof performance is higher.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engineering plastics's waterproof power transformer shell, includes clamshell (1), its characterized in that: the shell cover (1) comprises a base plate (11), a shell (12), surrounding edges (13), limiting plates (16), sliding columns (17) and clamping hooks (18), four sliding columns (17) are arranged, two clamping hooks (18) are arranged, the top end of the base plate (11) is fixedly connected with the shell (12), the bottom end of the base plate (11) is fixedly connected with the surrounding edges (13), first through holes are formed in four corners of the base plate (11), first threaded holes (14) are formed in the middle of two ends of the shell (12), sealing grooves (15) are correspondingly formed in the outer sides of the two first threaded holes (14), connecting ends (2) are connected to the inner parts of the two first threaded holes (14) in a threaded mode, the limiting plates (16) are fixedly connected to the bottom end of the inner wall of the base plate (11), the bottom ends of two sides of the inner wall of the shell (12) are fixedly connected with the two sliding columns (17), the both sides of base plate (11) bottom are equal fixedly connected with trip (18), the bottom of base plate (11) is connected with mounting structure (3) through two trip (18) blocks.

2. The waterproof power transformer shell made of engineering plastic according to claim 1, wherein: connect end (2) to form by spliced pole (21), end plate (22), sealed a section of thick bamboo (23) and terminal (24) of inserting, the lateral wall of spliced pole (21) is seted up threadedly, the one end fixedly connected with end plate (22) of spliced pole (21), one side fixedly connected with of end plate (22) is sealed a section of thick bamboo (23) of inserting, the inside of spliced pole (21) is inlayed and is equipped with terminal (24), the center of end plate (22) is run through to the one end of terminal (24).

3. The waterproof power transformer shell made of engineering plastic according to claim 2, wherein: the anti-skidding line has been seted up to the lateral wall of end plate (22), sealed section of thick bamboo (23) of inserting alternates inside seal groove (15).

4. The waterproof power transformer shell made of engineering plastic according to claim 1, wherein: mounting structure (3) comprise bottom plate (31), sealing washer (32), mounting panel (34) and sealed pad (38), the avris fixed cover of bottom plate (31) is equipped with sealing washer (32), draw-in groove (33) have all been seted up to the both sides of bottom plate (31), the top fixedly connected with mounting panel (34) of bottom plate (31), mounting groove (35) have been seted up on the top of mounting panel (34), second screw hole (36) have all been seted up to four corners of mounting groove (35) bottom, two spout (37) have all been seted up to the both sides of mounting panel (34) outer wall, the sealed pad (38) of top fixedly connected with of mounting panel (34).

5. The waterproof power transformer shell made of engineering plastic according to claim 4, wherein: the four sliding columns (17) are respectively in sliding connection with the four sliding grooves (37), and the two clamping hooks (18) are respectively in clamping connection with the two clamping grooves (33).

6. The waterproof power transformer shell made of engineering plastic according to claim 4, wherein: the sealing ring (32) and the sealing gasket (38) are made of rubber materials, and the sealing gasket (38) is extruded and arranged between the mounting plate (34) and the limiting plate (16).

7. The waterproof power transformer shell made of engineering plastic according to claim 4, wherein: second through holes are formed in four corners of the bottom plate (31), and the four second through holes are located under the four first through holes respectively.