CN212342409U

CN212342409U - Power transformer fixing shell

Info

Publication number: CN212342409U
Application number: CN202021321687.6U
Authority: CN
Inventors: 袁浩
Original assignee: Wuhan Fukesi Photoelectric Technology Co ltd
Current assignee: Wuhan Fukesi Photoelectric Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-01-12
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a power transformer set casing, including first casing, second casing, protruding edge, sealing strip, first spring, limiting plate, bolt, seal gasket, sheetmetal, opening, reference column, second spring, clamp plate, joint, end cover, rubber circle, extension board, screw rod and nut. The utility model discloses simple structure, convenient operation conveniently realizes the protection of transformer through setting up first casing and second casing, conveniently realizes power transformer's fixing through being provided with limiting plate and sheetmetal, improves the stability when power transformer uses, avoids the transformer to pile up the dust and the damage problem; the utility model discloses a be provided with the sealing strip and conveniently realize the sealed between first casing and the second casing to when conveniently assembling through being provided with the joint that is used for the wire to connect, be provided with the rubber circle and conveniently realize the sealed of wire junction, improve power transformer's water proof protection performance, avoid the problem of meeting water damage in the use.

Description

Power transformer fixing shell

Technical Field

The utility model relates to a set casing specifically is a power transformer set casing belongs to power transformer application technical field.

Background

The power transformer functions in power transmission, voltage conversion and insulation isolation, and is widely applied in power supply technology and power electronic technology as a main soft magnetic electromagnetic element, and can be divided into several grades according to the size of transmitted power: the power transformer is high in power above 10kVA, medium in power between 10kVA and 0.5kVA, low in power between 0.5kVA and 25VA and micro in power below 25VA, has different transmission power and different design of power transformers, is almost used in all electronic products, has a simple principle, but has different requirements according to winding processes of transformers in different use occasions, and has the following functions: voltage transformation; impedance transformation; isolating; for voltage stabilization, etc., the shape of the core commonly used in transformers is generally E-shaped or C-shaped.

The fundamental principle of power transformer is the electromagnetic induction principle, and power transformer is difficult to fix when using, probably leads to the transformer to damage the problem because of the unstability when installing when using, and its long-time use leads to piling up of dust easily and influencing the use, also is difficult to carry out water proof in the use, meets water and leads to the problem that the transformer damaged when using easily. Therefore, a power transformer fixing case is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power transformer set casing just in order to solve above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, a power transformer fixing shell comprises a first shell, a second shell, a fixing mechanism and a sealing mechanism;

the fixing mechanism comprises a limiting plate, a pressing plate and a metal sheet, the outer walls of the first shell and the second shell are fixedly connected with an extending plate, the interior of the extending plate is inserted into a screw in a penetrating mode, the end portion of the screw is in threaded connection with a nut, the limiting plate is fixedly connected with the inner wall of the first shell through a first spring, the metal sheet is located inside the first shell and the second shell, the interior of an opening formed in the metal sheet is connected with the positioning column in a sliding mode, and the interior of the first shell and the interior of the second shell are fixedly connected with the pressing plate through a second spring;

sealing mechanism includes sealing strip and joint, sealing strip and first casing top edge fixed connection, connect and first casing bottom intercommunication, connect bottom and rubber circle fixed connection, and connect and end cover inside thread cup joint.

Preferably, the bottom end of the second shell is fixedly connected with the convex edge, the convex edge is movably sleeved with the inside of the first shell, the first shell and the second shell are attached to each other and connected, the second shell is in contact with a sealing strip, the end parts of the first shell and the second shell are in threaded connection with a bolt, the end part of the bolt is in contact with a metal sheet, and the end part of the bolt is in contact with a sealing gasket sleeved with the bolt to form the outer wall of the first shell and the outer wall of the second shell.

Preferably, the area of the adjacent end of the first shell and the adjacent end of the second shell are respectively larger than the area of the other end of the adjacent end of the first shell and the adjacent end of the second shell, the first shell and the second shell are inserted into the power transformer, and the extension plates on the outer walls of the first shell and the second shell are mutually attached and connected.

Preferably, the number of the limiting plates is four, every two limiting plates are respectively positioned inside the first shell and the second shell, each limiting plate is of a U-shaped structure, and a power transformer is clamped between every two corresponding limiting plates.

Preferably, the number of the metal sheets is four, the four metal sheets are all arc-shaped structures, an opening is formed in the end part of each metal sheet, and the middle part of each metal sheet is in contact with a power transformer.

Preferably, the inner walls of the first shell and the second shell are fixedly connected with the positioning columns of the T-shaped structures, three joints for connecting wires are arranged at the bottom end of the first shell, each joint is connected with a rubber ring of a truncated cone-shaped hollow structure, and the outer wall of each rubber ring is in contact with the inner wall of a circular hole formed in the end cover.

The utility model has the advantages that:

1. the utility model discloses simple structure, convenient operation conveniently realizes the protection of transformer through setting up first casing and second casing, conveniently realizes power transformer's fixing through being provided with limiting plate and sheetmetal, improves power transformer's stability when using, improves power transformer's protective capacities, avoids the transformer to pile up the dust and the damage problem;

2. the utility model discloses a be provided with the sealing strip and conveniently realize the sealed between first casing and the second casing to when conveniently assembling through being provided with the joint that is used for the wire to connect, be provided with the rubber circle and conveniently realize the sealed of wire junction, improve power transformer's water proof protection performance, avoid the problem of meeting water damage in the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without inventive exercise.

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

FIG. 2 is a schematic view of the external front view structure of the present invention;

fig. 3 is a schematic view of the first casing interior of the present invention.

In the figure: 1. the sealing structure comprises a first shell, 2, a second shell, 3, a convex edge, 4, a sealing strip, 5, a first spring, 6, a limiting plate, 7, a bolt, 8, a sealing gasket, 9, a metal sheet, 10, an opening, 11, a positioning column, 12, a second spring, 13, a pressing plate, 14, a joint, 15, an end cover, 16, a rubber ring, 17, an extending plate, 18, a screw rod, 19 and a nut.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and 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.

Referring to fig. 1-3, a power transformer fixing casing includes a first casing 1, a second casing 2, a fixing mechanism and a sealing mechanism;

the fixing mechanism comprises a limiting plate 6, a pressing plate 13 and a metal sheet 9, the outer walls of the first shell 1 and the second shell 2 are fixedly connected with an extending plate 17, the inside of the extending plate 17 is inserted into a screw rod 18 in a penetrating manner and is used for connecting the first shell 1 and the second shell 2, the end part of the screw rod 18 is in threaded connection with a nut 19, the limiting plate 6 is respectively and fixedly connected with the inner wall of the first shell 1 through a first spring 5, the metal sheet 9 is positioned inside the first shell 1 and the second shell 2, the inside of an opening 10 formed in the metal sheet 9 is in sliding connection with a positioning column 11, and the inside of the first shell 1 and the inside of the second shell 2 are fixedly connected with the pressing plate 13 through a second spring 12 and are used for fixing the power transformer;

sealing mechanism includes sealing strip 4 and joint 14,

sealing strip

4 and 1 top edge fixed connection of first casing,

joint

14 and 1 bottom intercommunication of first casing, joint 14 bottom and 16 fixed connection of rubber circle, and joint 14 cup joints with the inside screw thread of end cover 15 for the sealed of power transformer wire and first casing 1 junction.

2 bottom and the protruding 3 fixed connection along of following of second casing, protruding 3 and the inside activity of first casing of following cup joints, laminating each other between first casing 1 and the second casing 2 is connected, and the contact of second casing 2 has sealing strip 4, first casing 1 and the 2 tip of second casing all with bolt 7 threaded connection, the contact of bolt 7 tip has sheetmetal 9, and the seal gasket 8 contact that cup joints with bolt 7 has first casing 1 and the 2 outer walls of second casing. Sealing at the joint of the first casing 1 and the second casing 2; the areas of the adjacent end surfaces of the adjacent ends of the first shell 1 and the second shell 2 are respectively larger than the area of the other end of the adjacent end, the interiors of the first shell 1 and the second shell 2 are inserted with a power transformer, and the extension plates 17 on the outer walls of the first shell 1 and the second shell 2 are mutually attached and connected for mounting the power transformer and facilitating the fixation of the transformer; the number of the limiting plates 6 is four, every two limiting plates 6 are respectively positioned in the first shell 1 and the second shell 2, each limiting plate 6 is in a U-shaped structure, and a power transformer is clamped between every two corresponding limiting plates 6, so that the limiting of the transformer is facilitated, and the stability in fixing is improved; the number of the metal sheets 9 is four, the four metal sheets 9 are all of arc-shaped structures, an opening 10 is formed in the end portion of each metal sheet 9, and the middle of each metal sheet 9 is in contact with a power transformer and used for adjusting the deformation degree of the metal sheets 9 and facilitating adjustment of contact pressure with the transformer during fixing;

first casing

1 and 2 inner walls of second casing all with the reference column 11 fixed connection of T shape structure, 1 bottom of first casing is equipped with three joint 14 that are used for the wire to connect, and every joint 14 all is connected with round platform shape hollow structure's

rubber circle

16, and 16 outer wall contacts of rubber circle have the round hole inner wall that end cover 15 was seted up, the wire of being convenient for and the sealed of joint 14 junction improve water-proof effects.

When the utility model is used, the limiting plate 6 is pressed to compress the first spring 5, the transformer is placed in the first shell 1, the transformer supports the pressing plate 13 to compress the second spring 12, the other end of the transformer is placed in the second shell 2, the convex edge 3 is sleeved with the inner part of the first shell 1, after the installation is completed, the screw 18 passes through the extending plate 17 to screw the nut 19, so that the first shell 1 and the second shell 2 are tightly jointed, the installation of the power transformer is realized, when the bolt 7 is screwed down to rotate in the middle parts of the first shell 1 and the second shell 2, the end part of the bolt 7 supports against the metal sheet 9, meanwhile, the bolt 7 supports against the sealing gasket 8 to realize the sealing of the joint of the bolt 7, when the metal sheet 9 with certain elasticity is pushed to deform, the openings 10 at the two ends of the metal sheet 9 move on the positioning column 11, the metal sheets 9 are abutted against the two sides of the transformer body, so that the stability of the transformer during installation is realized through the metal sheets 9, the limiting plates 6 and the pressing plates 13, and the protection capability and the dustproof effect are improved;

before first casing 1 and second casing 2 are connected, the wire that will be connected with the transformer passes joint 14 in proper order, connect behind rubber circle 16 and the end cover 15, when first casing 1 and the installation of second casing 2, make 2 edges of second casing support sealing strip 4, and then realize the sealed of first casing 1 and the 2 junctions of second casing, after the wire passes joint 14, through screwing up end cover 15, make the 15 inner walls of end cover support rubber circle 16, the gradual increase of 16 diameters of rubber circle makes end cover 15 support the 16 outer walls of rubber circle, and then when making 16 compression deformation of rubber circle, rubber circle 16 compresses tightly the wire, and then realize the leakproofness of wire and casing junction, improve the waterproof performance of power transformer set casing with the cooperation of sealing strip 4, improve the practicality of set casing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a power transformer stationary housing which characterized in that: comprises a first shell (1), a second shell (2), a fixing mechanism and a sealing mechanism;

the fixing mechanism comprises a limiting plate (6), a pressing plate (13) and a metal sheet (9), the outer walls of the first shell (1) and the second shell (2) are fixedly connected with an extension plate (17), the extension plate (17) is internally inserted into a screw rod (18) in a penetrating manner, the end part of the screw rod (18) is in threaded connection with a nut (19), the limiting plate (6) is respectively fixedly connected with the inner wall of the first shell (1) through a first spring (5), the metal sheet (9) is positioned inside the first shell (1) and the second shell (2), an opening (10) formed in the metal sheet (9) is internally connected with a positioning column (11) in a sliding manner, and the first shell (1) and the second shell (2) are internally and fixedly connected with the pressing plate (13) through a second spring (12);

sealing mechanism includes sealing strip (4) and joint (14), sealing strip (4) and first casing (1) top edge fixed connection, connect (14) and first casing (1) bottom intercommunication, connect (14) bottom and rubber circle (16) fixed connection, and connect (14) and end cover (15) internal thread and cup joint.

2. A power transformer fixing casing according to claim 1, wherein: second casing (2) bottom and protruding edge (3) fixed connection, protruding edge (3) cup joint with the inside activity of first casing (1), laminate each other between first casing (1) and second casing (2) and be connected, and second casing (2) contact has sealing strip (4), first casing (1) and second casing (2) tip all with bolt (7) threaded connection, bolt (7) tip contact has sheetmetal (9), and has first casing (1) and second casing (2) outer wall with seal gasket (8) contact that bolt (7) cup jointed.

3. A power transformer fixing casing according to claim 1, wherein: the area of the adjacent end of the first shell (1) and the second shell (2) is respectively larger than that of the other end of the adjacent end of the first shell (1) and the second shell (2), the first shell (1) and the second shell (2) are internally inserted into a power transformer, and the extension plates (17) on the outer walls of the first shell (1) and the second shell (2) are mutually attached and connected.

4. A power transformer fixing casing according to claim 1, wherein: the number of the limiting plates (6) is four, every two limiting plates (6) are respectively positioned inside the first shell (1) and the second shell (2), each limiting plate (6) is of a U-shaped structure, and a power transformer is clamped between every two corresponding limiting plates (6).

5. A power transformer fixing casing according to claim 1, wherein: the number of the metal sheets (9) is four, the four metal sheets (9) are all arc-shaped structures, an opening (10) is formed in the end portion of each metal sheet (9), and the middle of each metal sheet (9) is in contact with a power transformer.

6. A power transformer fixing casing according to claim 1, wherein: first casing (1) and second casing (2) inner wall all with reference column (11) fixed connection of T shape structure, first casing (1) bottom is equipped with three joint (14) that are used for the wire to connect, and every joint (14) all are connected with rubber circle (16) of round platform shape hollow structure, and rubber circle (16) outer wall contact has the round hole inner wall that end cover (15) were seted up.