Door leaf structure of box-type transformer
By introducing a sealing structure consisting of springs, fillers, and rubber strips into the door panel of a box-type transformer, and utilizing magnetic strips and slot designs, the problem of poor waterproofing and dustproofing of traditional box-type transformer doors has been solved, achieving convenient assembly and excellent protective performance.
Patent Information
- Application Number
- CN202423305670.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Traditional box-type transformers have poor waterproof and dustproof door structures, which cannot meet the protection requirements of box-type transformers.
It adopts a sealing structure including springs, fillers and rubber strips, and uses magnetic strips and slots to close the door. It is made of elastic material and closes the door leaf through a magnetic structure.
It achieves convenient assembly of the door panel and excellent waterproof and dustproof effects, thus improving the protection performance of the box-type transformer.
Smart Images

Figure CN223857960U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a door leaf structure, especially a door leaf structure applied in a box type transformer. BACKGROUND
[0002] It is known that the box type transformer is a kind of equipment that traditional transformer is centrally designed in box type shell, has the characteristics such as small volume, light weight, low noise, low loss and high reliability. It is widely used in residential area, commercial center, light station, airport, factory, enterprise, hospital, school and other places. The box type transformer usually includes high voltage chamber, transformer chamber and low voltage chamber. High voltage chamber is used for power supply side, usually access 35 kilovolt or 10 kilovolt incoming line, contains high voltage busbar, circuit breaker or fuse, voltage transformer, arrester and other equipment. Transformer chamber is the core of box type transformer, contains main transformer equipment. Low voltage chamber contains low voltage busbar, low voltage circuit breaker, metering device and arrester etc., is used to supply power to user. The application scene of box type transformer is very extensive, especially suitable for city network construction and reconstruction, and replaces traditional civil power distribution room in mine, factory enterprise, oil and gas field and wind power station environment, becomes new complete transformer distribution device. In addition, the box type transformer also has a variety of protection functions, such as protection, monitoring, control and communication, etc., is the ideal electrical unit to constitute intelligent box type transformer.
[0003] The box type transformer needs to have certain waterproof and dustproof function, and the door leaf of the traditional box type transformer is closed by simple waterproof strip and door frame, and the waterproof and dustproof effect often cannot reach the best, which is the main drawback of the traditional technology. UTILITY MODEL CONTENTS
[0004] The utility model adopts the technical scheme that a door leaf structure of box type transformer, it includes door leaf part, door frame part and sealing structure, the sealing structure is arranged at the end of the door leaf part, and the sealing structure is located between the door leaf part and the door frame part.
[0005] The sealing structure includes elastic sheet, filling body and rubber strip body, wherein the elastic sheet is clamped at the end of the door leaf part, the elastic sheet includes inner clamping plate, outer clamping plate and arc plate, the arc plate is connected between the inner clamping plate and the outer clamping plate, the inner clamping plate and the outer clamping plate are connected at the both ends of the arc plate respectively, the inner clamping plate, the outer clamping plate and the arc plate are connected together to form the elastic sheet, an inner cavity is formed around the inner surface of the arc plate by means of the inner surface, the filling body is arranged in the inner cavity, and the circular arc outer side surface of the filling body is attached to the inner surface of the arc plate.
[0006] The adhesive strip body comprises an inner strip body, an outer strip body and a body, the body is connected between the inner strip body and the outer strip body, the inner strip body and the outer strip body are respectively connected at two ends of the body, the inner strip body, the outer strip body and the body are connected together to form the adhesive strip body, the inner strip body is provided with a concave cavity and a convex rib, wherein a first magnetic strip is arranged on a cavity bottom surface of the concave cavity.
[0007] The door frame part has a door leaf contact surface, the door leaf contact surface is provided with a boss and a clamping groove, wherein the boss is provided with a second magnetic strip, the boss corresponds to the concave cavity of the inner strip body, and the clamping groove corresponds to the convex rib of the inner strip body.
[0008] The utility model discloses the beneficial effect is: the utility model discloses when using, first through the sealing structure whole direct clamping and fixing in the end of the door leaf part, when the door leaf part closes on the door frame part, the first magnetic strip of the sealing structure is adsorbed on the second magnetic strip of the door frame part, and the convex rib of the sealing structure is inserted in the clamping groove of the door frame part to realize the closure of the door leaf, with the structural design of the sealing structure, the utility model discloses convenient to assemble, waterproof, dustproof effect is good characteristics. BRIEF DESCRIPTION OF DRAWINGS
[0009] Fig. 1 It is the schematic view that the door leaf part of the utility model is double open door leaf.
[0010] Fig. 2 It is the schematic view that the door leaf part of the utility model is single open door leaf.
[0011] Fig. 3 It is the action schematic view of the utility model.
[0012] Fig. 4 It is the structural schematic view of the utility model.
[0013] Fig. 5 It is the exploded view schematic view of the utility model.
[0014] Fig. 6 It is the structural schematic view that the door leaf part of the utility model is double open door leaf. DETAILED DESCRIPTION
[0015] As Figs. 1 to 6 Shown, a box-type transformer's door leaf structure, it includes door leaf part 10, door frame part 20 and sealing structure 100, the sealing structure 100 sets up in the end of the door leaf part 10, and the sealing structure 100 is located between the door leaf part 10 and the door frame part 20.
[0016] The sealing structure 100 comprises a spring sheet 110, a filling body 120 and a rubber strip body 130, wherein the spring sheet 110 is clamped at the end of the door leaf part 10, the spring sheet 110 comprises an inner clamping plate 111, an outer clamping plate 112 and an arc plate 113, the arc plate 113 is connected between the inner clamping plate 111 and the outer clamping plate 112, the inner clamping plate 111 and the outer clamping plate 112 are respectively connected at both ends of the arc plate 113, the inner clamping plate 111, the outer clamping plate 112 and the arc plate 113 are connected together to form the spring sheet 110, the spring sheet 110 is made of a metal spring sheet, such as a stainless steel spring sheet, an alloy spring sheet and the like, and an inner cavity 115 is formed around the inner surface 114 of the arc plate 113.
[0017] The filling body 120 is arranged in the inner cavity 115, the circular arc outer side surface 121 of the filling body 120 is attached to the inner surface 114 of the arc plate 113, and the filling body 120 can be made of an elastic material such as rubber or silicone.
[0018] The rubber strip body 130 comprises an inner strip body 131, an outer strip body 132 and a body 133, the body 133 is connected between the inner strip body 131 and the outer strip body 132, the inner strip body 131 and the outer strip body 132 are respectively connected at both ends of the body 133, the inner strip body 131, the outer strip body 132 and the body 133 are connected together to form the rubber strip body 130, and the rubber strip body 130 as a whole can be made of an elastic material such as rubber or silicone.
[0019] The inner strip body 131 is provided with a concave cavity 141 and a convex rib 142, wherein the cavity bottom surface of the concave cavity 141 is provided with a first magnetic attraction strip 143.
[0020] In specific implementation, the outer side wall 144 of the concave cavity 141 and the inner side wall 145 of the convex rib 142 are connected together.
[0021] The door frame part 20 has a door leaf contact surface 21, the door leaf contact surface 21 is provided with a boss 22 and a clamping groove 23, wherein the boss 22 is provided with a second magnetic attraction strip 24, the boss 22 corresponds to the concave cavity 141 of the inner strip body 131, and the clamping groove 23 corresponds to the convex rib 142 of the inner strip body 131.
[0022] The utility model discloses when using, first through this elastic sheet 110 with the sealing structure 100 whole direct clamping and fixed in the end of the door leaf part 10, when the door leaf part 10 close on the door frame part 20, the first magnetic attraction strip 143 of the sealing structure 100 is adsorbed on the second magnetic attraction strip 24 of the door frame part 20, the convex rib 142 of the sealing structure 100 is inserted in the card slot 23 of the door frame part 20, to realize the closure of door leaf, with the structural design of the sealing structure 100, the utility model has the characteristics such as convenient assembly, waterproof, dustproof effect is good.
[0023] In the specific implementation, the door leaf part 10 is a single door leaf 51, and the door frame part 20 is a single door frame 52.
[0024] In the specific implementation, the door leaf part 10 is a double door leaf 61, and the door frame part 20 is a door frame middle beam 62.
Claims
1. A door leaf structure of a box-type transformer, comprising a door leaf part, a door frame part and a sealing structure, the sealing structure being arranged at an end of the door leaf part, the sealing structure being located between the door leaf part and the door frame part, characterized in that: the sealing structure comprises a spring piece, a filling body and a rubber strip body, wherein the spring piece is clamped at the end of the door leaf part, the spring piece comprises an inner clamping plate, an outer clamping plate and an arc plate, the arc plate being connected between the inner clamping plate and the outer clamping plate, the inner clamping plate and the outer clamping plate being respectively connected at two end portions of the arc plate, the inner clamping plate, the outer clamping plate and the arc plate being connected together to form the spring piece, an inner cavity being formed around an inner surface of the arc plate by means of the inner surface, the filling body being arranged in the inner cavity, a circular arc outer side surface of the filling body being fitted on the inner surface of the arc plate, the rubber strip body comprises an inner strip body, an outer strip body and a body, the body being connected between the inner strip body and the outer strip body, the inner strip body and the outer strip body being respectively connected at two end portions of the body, the inner strip body, the outer strip body and the body being connected together to form the rubber strip body, the inner strip body being provided with a concave cavity and a convex rib, wherein a first magnetic attraction strip is arranged on a cavity bottom surface of the concave cavity, the door frame part has a door leaf contact surface, the door leaf contact surface being provided with a boss and a clamping groove, wherein a second magnetic attraction strip is arranged on the boss, the boss corresponding to the concave cavity of the inner strip body, the clamping groove corresponding to the convex rib of the inner strip body. The door leaf part is a single door leaf, and the door frame part is a single door frame. The door leaf part is a double door leaf, and the door frame part is a door frame middle beam. An outer side wall of the concave cavity and an inner side wall of the convex rib are connected together.
2. The door structure of a cabinet-type transformer according to claim 1, wherein: The spring piece is a metal spring piece.
3. The door structure of a cabinet-type transformer according to claim 1, wherein: 4. The door structure of a cabinet-type transformer according to claim 1, wherein: 5. The door structure of a cabinet-type transformer according to claim 1, wherein: