CN214043301U

CN214043301U - Electronic transformer with high-sealing waterproof structure

Info

Publication number: CN214043301U
Application number: CN202120305625.4U
Authority: CN
Inventors: 王伟
Original assignee: Tianchang Chaowei Electronic Co Ltd
Current assignee: Tianchang Chaowei Electronic Co Ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-08-24
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to an electronic transformer technical field, specifically speaking relates to an electronic transformer that possesses high sealed waterproof construction. It includes first lid, first lid one end lateral wall surface center department has seted up the coil and has held the chamber, the coil holds the chamber and is close to upper and lower both ends lateral wall edge fixedly connected with location lug, the coil holds chamber edge all around and is provided with the side along the wall, side edge wall surface center department has seted up sealed recess all around, fixed mounting has the sealing washer in the sealed recess, the equal fixedly connected with fixing base of lateral wall surface center department all around of sealing washer, it is inseparabler to make between sealing washer and the protruding wall of grafting be connected through screwing up locking screw, and then the sealing performance of sealing washer has been improved, through the detachable lid that sets up, first lid and second lid pass through bolt fixed connection with the casing, be convenient for dismantle and overhaul electronic transformer, the inconvenient problem of electronic transformer dismantlement that has traditional possesses sealed waterproof construction has been solved.

Description

Electronic transformer with high-sealing waterproof structure

Technical Field

The utility model relates to an electronic transformer technical field, specifically speaking relates to an electronic transformer that possesses high sealed waterproof construction.

Background

An electronic transformer, which is an electronic device for converting alternating voltage of commercial power into direct current and then forming a high-frequency alternating voltage output by a semiconductor switching device, an electronic element and a high-frequency transformer winding, is also an alternating current-direct current-alternating current inverter circuit taught in the theory of electronics.

Because the requirement of the working environment of the electronic transformer generally requires that the electronic transformer has good sealing and waterproof performance, the existing electronic transformer with sealing and waterproof performance generally adopts an integrally formed shell, when the transformer breaks down and is overhauled, the electronic transformer is inconvenient to disassemble, meanwhile, the electronic transformer with a detachable shell design has the problem that the sealing ring and the shell can not be tightly connected due to the abrasion of the sealing ring and the like, so that the sealing and waterproof performance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic transformer who possesses high sealed waterproof construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the present invention provides an electronic transformer with a highly sealed and waterproof structure, which includes a housing, and a first cover and a second cover mounted on the housing;

a coil accommodating cavity is formed in the center of the surface of the side wall at one end of the first cover body, positioning lugs are fixedly connected to the positions, close to the edges of the side walls at the upper end and the lower end, of the coil accommodating cavity, side edge walls are arranged at the edges of the periphery of the coil accommodating cavity, sealing grooves are formed in the centers of the surfaces of the side walls at the periphery of the side edge walls, a first screw hole is formed in one side of each sealing groove, second screw holes communicated with the sealing grooves are formed in the positions, close to the edges of the periphery, of the surface of the side wall at the other end of the first cover body, second screw holes are formed in the surfaces of the side walls at the other;

the second cover body has the same structure as the first cover body, and pin through holes are formed in the inner wall surface of the coil accommodating cavity of the second cover body.

As a further improvement of the technical scheme, the casing is close to edge one side fixed mounting and has the installation ear, casing lateral wall surface center department has seted up the mounting hole, both ends lateral wall surface center department integrated into one piece has the grafting convex wall about the casing, grafting convex wall lateral wall fixed surface is connected with sealed bead, both ends are close to the edge and have all seted up the constant head tank about the mounting hole inner wall, fixed mounting has the coil in the mounting hole, at least including the wiring pin in the coil.

As a further improvement of the technical scheme, the size of the sealing ring is matched with that of the sealing groove, the fixed seat is in threaded connection with the locking screw rod, the sealing ring is fixedly installed in the sealing groove through the locking screw rod, and the locking screw rod is provided with the spring in a nested mode.

As a further improvement of the technical scheme, the size of the sealing groove is matched with that of the plugging convex wall, and a sealing bulge meshed with the sealing convex edge is arranged on the inner wall of the sealing groove.

As a further improvement of the technical scheme, one side of the inserting convex wall is provided with an installation screw hole which is aligned with the first screw hole left and right, and the first cover body is in threaded connection with the installation screw hole through a bolt.

As a further improvement of the technical scheme, the positioning lug is aligned with the positioning groove left and right, and the positioning lug is matched with the positioning groove in size.

As a further improvement of the technical scheme, the pin through holes are aligned with the wiring pins left and right, and the hole diameter of the pin through holes is matched with the diameter of the wiring pins.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this electronic transformer who possesses high sealed waterproof construction, through the adjustable sealing washer that sets up, make to be connected inseparabler between sealing washer and the protruding wall of pegging graft through screwing up locking screw, and then improved the sealing performance of sealing washer.

2. In this electronic transformer who possesses high sealed waterproof construction, through the detachable lid that sets up, first lid and second lid pass through bolt fixed connection with the casing, are convenient for dismantle and overhaul electronic transformer, have solved the traditional electronic transformer who possesses sealed waterproof construction and have dismantled inconvenient problem.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a partial structural view of a coil according to embodiment 1;

fig. 3 is a schematic structural view of a first cover in embodiment 1;

FIG. 4 is a partial structural view of the casing according to embodiment 1;

FIG. 5 is an enlarged view of structure A of example 1;

fig. 6 is a schematic structural view of a second cover in embodiment 1;

fig. 7 is a partial sectional structural view of the first cover in embodiment 1;

FIG. 8 is an enlarged schematic view of structure B of example 1;

FIG. 9 is a schematic cross-sectional view of the first cover in embodiment 1;

fig. 10 is a schematic structural view of a seal ring according to embodiment 1.

The various reference numbers in the figures mean:

1. a housing; 101. mounting lugs; 102. positioning a groove; 103. inserting the convex wall; 1031. sealing the convex edge; 104. mounting holes; 105. mounting a screw hole;

2. a coil; 201. a wiring pin;

3. a first cover body; 301. a coil housing cavity; 302. a side wall; 3021. sealing the groove; 3022. a first screw hole; 3023. positioning the bump; 3024. a second screw hole;

4. a second cover body; 401. punching a pin;

5. a seal ring; 501. a fixed seat; 502. locking the screw rod; 503. 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-10, the present invention provides an electronic transformer with a high-sealing waterproof structure, which includes a housing 1, and a first cover 3 and a second cover 4 mounted on the housing 1;

a coil accommodating cavity 301 is formed in the center of the surface of the side wall of one end of the first cover body 3, positioning convex blocks 3023 are fixedly connected to the edge of the side wall of the coil accommodating cavity 301 close to the upper and lower ends, a side edge wall 302 is arranged at the peripheral edge of the coil accommodating cavity 301, a sealing groove 3021 is formed in the center of the surface of the peripheral side wall of the side edge wall 302, a first screw hole 3022 is formed in one side of the sealing groove 3021, a second screw hole 3024 communicated with the sealing groove 3021 is formed in the surface of the side wall of the other end of the first cover body 3 close to the peripheral edge, a locking screw rod 502 is connected in the second screw hole 3024 through internal threads, a sealing ring 5 is fixedly installed in the sealing groove 3021, and a fixing seat 501 is fixedly connected to the center of the surface of the peripheral side wall of the sealing ring 5;

the second cover body 4 has the same structure as the first cover body 3, and the second cover body 4 is located on the inner wall surface of the coil accommodating cavity 301 and is provided with a pin through hole 401, the pin through hole 401 is matched with the wiring pin 201, the number and the size of the pin through hole 401 are matched with the wiring pin 201, and the pin through hole 401 is matched with the wiring pin 201 in an inserting manner.

In this embodiment, casing 1 is close to edge one side fixed mounting has installation ear 101, installation ear 101 is used for the installation to carry out fixed mounting to electronic transformer, 1 lateral wall surface center department of casing has seted up mounting hole 104, both ends lateral wall surface center department integrated into one piece has grafting convex wall 103 about casing 1, grafting convex wall 103 lateral wall fixed surface is connected with sealed bead 1031, both ends are close to the edge and have all seted up constant head tank 102 about mounting hole 104 inner wall, fixed mounting has coil 2 in the mounting hole 104, at least, include wiring pin 201 in the coil 2.

Specifically, the size of the sealing ring 5 is matched with that of the sealing groove 3021, the fixing seat 501 is in threaded connection with the locking screw 502, the sealing ring 5 is fixedly installed in the sealing groove 3021 through the locking screw 502, the locking screw 502 is provided with the spring 503 in a nested manner, and the spring 503 is used for increasing the tightness between the sealing ring 5 and the inserting convex wall 103, so that the waterproof performance of the electronic transformer is improved.

Furthermore, the size of the sealing groove 3021 is matched with the size of the plug convex wall 103, a sealing protrusion engaged with the sealing convex ridge 1031 is arranged on the inner wall of the sealing groove 3021 to enhance the sealing performance of the joint of the sealing groove 3021 and the sealing convex ridge 1031, the sealing groove 3021 is in plug-in fit with the sealing convex ridge 1031, and the sealing performance of the electronic transformer can be effectively improved through the plug-in structure.

In addition, one side of the inserting convex wall 103 is provided with an installation screw hole 105 which is aligned with the first screw hole 3022 in the left and right directions, the first cover body 3 is in threaded connection with the installation screw hole 105 through a bolt, and a sealing gasket is nested on the further bolt for further ensuring the sealing property of the connection between the first cover body 3 and the housing 1.

Specifically, the positioning protrusion 3023 is aligned with the positioning groove 102 in the left-right direction, and the positioning protrusion 3023 is matched with the positioning groove 102 in size, so that the positioning is performed when the first cover 3 is mounted through the positioning protrusion 3023 and the positioning groove 102.

Furthermore, the pin through hole 401 is aligned with the wiring pin 201 left and right, the aperture of the pin through hole 401 is matched with the diameter of the wiring pin 201, the wiring pin 201 penetrates out of the pin through hole 401 and is used for being connected with other electrical components through the wiring pin 201, and sealant is filled between the pin through hole 401 and the wiring pin 201 and used for sealing an insertion gap between the pin through hole 401 and the wiring pin 201 and preventing water seepage.

When the electronic transformer with high-sealing waterproof structure of the utility model is used, the positioning lug 3023 is aligned with the positioning groove 102, the positioning lug 3023 is inserted into the positioning groove 102, the first cover body 3 is buckled with the shell body 1, the splicing convex wall 103 is spliced with the sealing groove 3021, the sealing ring 5 is attached to the splicing convex wall 103, the bolt is screwed into the installation screw hole 105 through the first screw hole 3022, the first cover body 3 is fixed with the shell body 1, simultaneously, the locking screw rod 502 in the second screw hole 3024 is tightened, the locking screw rod 502 pushes the sealing ring 5 to move towards the direction of the inserting convex wall 103, the joint of the sealing ring 5 and the inserting convex wall 103 is pressed by the locking screw rod 502, so that the connection between the sealing ring 5 and the inserting convex wall 103 is tighter, can effectively improve the leakproofness that sealing washer 5 is connected between to first lid 3 and casing 1, in the same way, with second lid 4 fixed mounting on casing 1, wiring pin 201 wears out from pin perforation 401.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electronic transformer that possesses high waterproof seal structure which characterized in that: comprises a shell (1), a first cover body (3) and a second cover body (4) which are arranged on the shell (1);

a coil accommodating cavity (301) is arranged at the center of the surface of the side wall at one end of the first cover body (3), the coil containing cavity (301) is fixedly connected with positioning lugs (3023) close to the edges of the side walls at the upper end and the lower end, the edge of the periphery of the coil accommodating cavity (301) is provided with a side edge wall (302), the center of the surface of the side wall of the periphery of the side edge wall (302) is provided with a sealing groove (3021), a first screw hole (3022) is formed in one side of the sealing groove (3021), a second screw hole (3024) communicated with the sealing groove (3021) is formed in the surface of the side wall of the other end of the first cover body (3) close to the peripheral edge, a locking screw rod (502) is connected with the inner thread of the second screw hole (3024), a sealing ring (5) is fixedly arranged in the sealing groove (3021), the centers of the surfaces of the peripheral side walls of the sealing ring (5) are fixedly connected with fixed seats (501);

the second cover body (4) and the first cover body (3) are identical in structure, and the second cover body (4) is located on the inner wall surface of the coil accommodating cavity (301) and is provided with a pin through hole (401).

2. The electronic transformer with high-sealing waterproof structure according to claim 1, wherein: casing (1) is close to edge one side fixed mounting and has installation ear (101), casing (1) lateral wall surface center department has seted up mounting hole (104), both ends lateral wall surface center department integrated into one piece has grafting bay (103) about casing (1), grafting bay (103) lateral wall surface fixed connection has sealed bead (1031), both ends are close to the edge and have all seted up constant head tank (102) about mounting hole (104) inner wall, fixed mounting has coil (2) in mounting hole (104), at least including wiring pin (201) in coil (2).

3. The electronic transformer with high-sealing waterproof structure according to claim 1, wherein: sealing washer (5) size with sealed recess (3021) size looks adaptation, fixing base (501) with locking screw (502) threaded connection, sealing washer (5) pass through locking screw (502) fixed mounting in sealed recess (3021), spring (503) are installed to the last nestification of locking screw (502).

4. The electronic transformer with high-sealing waterproof structure according to claim 2, wherein: the size of the sealing groove (3021) is matched with that of the plug convex wall (103), and a sealing bulge engaged with the sealing convex rib (1031) is arranged on the inner wall of the sealing groove (3021).

5. The electronic transformer with high-sealing waterproof structure according to claim 4, wherein: one side of the inserting convex wall (103) is provided with an installation screw hole (105) which is aligned with the first screw hole (3022) left and right, and the first cover body (3) is in threaded connection with the installation screw hole (105) through a bolt.

6. The electronic transformer with high-sealing waterproof structure according to claim 2, wherein: the positioning lug (3023) is aligned with the positioning groove (102) left and right, and the positioning lug (3023) is matched with the positioning groove (102) in size.

7. The electronic transformer with high-sealing waterproof structure according to claim 2, wherein: the pin through hole (401) is aligned with the wiring pin (201) left and right, and the aperture of the pin through hole (401) is matched with the diameter of the wiring pin (201).