CN216698075U

CN216698075U - Voltage transformer with isolation disconnection structure

Info

Publication number: CN216698075U
Application number: CN202220236974.XU
Authority: CN
Inventors: 王旭
Original assignee: Shandong Changwei Electric Appliance Co ltd
Current assignee: Shandong Changwei Electric Appliance Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-06-07
Anticipated expiration: 2032-01-28

Abstract

The utility model belongs to the technical field of voltage transformers, and particularly relates to a voltage transformer with an isolation disconnection structure, which comprises a transformer box body, a mounting seat and an iron core winding, wherein a mounting frame is fixedly mounted in the middle of the front surface of the transformer box body, a jack is formed in the top end of the middle of the front surface of the mounting frame, a bolt is movably clamped in the front surface of the jack, a locking mechanism is movably sleeved on the top surface of the mounting frame, spring cavities are formed in inner cavities at the left end and the right end of the front surface of the mounting frame, a guide cavity is formed in the middle of the front surface of the mounting frame, and the left end and the right end of the inner cavity top surface of the guide cavity are fixedly communicated with a connecting contact piece. According to the utility model, through the arrangement of the mounting frame, the plug pin, the locking mechanism, the connecting plate and the ceramic plate are matched with each other, so that the mounting plate can be quickly disconnected, the connection between the contact point and the connecting contact piece can be conveniently connected and disconnected, and the practicability of the voltage transformer is improved.

Description

Voltage transformer with isolation disconnection structure

Technical Field

The utility model relates to the technical field of voltage transformers, in particular to a voltage transformer with an isolation disconnection structure.

Background

The voltage transformer is a transformer with an iron core, mainly comprises a primary coil, a secondary coil, the iron core and an insulating end, is an indispensable electric appliance in power transmission and power supply systems of power plants, substations and the like, is similar to the voltage transformer and is used for converting voltage on a line, but is mainly used for supplying power to a measuring instrument and a relay protection device.

However, in the prior art, when the voltage transformer is used, the voltage transformer needs to be connected with external electric equipment through a wire to ensure power supply transmission, but when the voltage transformer is connected, electric shock is easy to occur, so that harm is easy to cause, the voltage transformer is not very safe when being used, and isolation switches of the voltage transformer are externally arranged, so that the size of an installation space of the voltage transformer is influenced, and the limitation on the use space is more.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a voltage transformer with an isolation disconnection structure.

In order to achieve the purpose, the utility model adopts the following technical scheme: a voltage transformer with an isolation disconnection structure comprises a transformer box body, a mounting seat and an iron core winding, wherein an installation frame is fixedly arranged in the middle of the front of the transformer box body, a jack is formed in the top end of the middle of the front of the installation frame, a bolt is movably clamped in the front of the jack, a locking mechanism is movably sleeved on the top surface of the installation frame, spring cavities are formed in inner cavities of the left end and the right end of the front of the installation frame, a guide cavity is formed in the middle of the front of the installation frame, connecting contact pieces are fixedly communicated with the left end and the right end of the top surface of the inner cavity of the guide cavity, a connecting plate is fixedly connected to the middle of the bottom surface of the locking mechanism, positioning holes are formed in the upper end and the lower end of the middle of the front of the connecting plate, a ceramic plate is fixedly connected to the bottom end of the connecting plate, the left end and the right end of the ceramic plate are movably clamped with the left side surface and the right side surface of the inner cavity of the guide cavity respectively, the positive middle part fixed mounting of ceramic plate has the mounting panel, both ends are all fixed the intercommunication and are touched the contact point about the ceramic plate top surface, touch the output of contact point and the input electric connection of mounting panel.

Preferably, locking mechanical system includes the balancing pole, the middle part of balancing pole bottom surface and the top fixed connection of connecting plate, the bottom of connecting plate runs through the middle part of installation frame top surface and extends to the inside of direction cavity, the equal fixedly connected with direction loop bar in both ends about the balancing pole bottom surface, the top surface of installation frame is run through and extends to the inside of spring cavity to the bottom of direction loop bar, the pole setting has been cup jointed in the bottom surface activity of direction loop bar, the bottom of pole setting and the bottom surface fixed connection of spring cavity inner chamber, the surface activity of pole setting has cup jointed the locking spring that is located between the bottom surface of direction loop bar and the bottom surface of spring cavity inner chamber, the upper and lower both ends of locking spring respectively with the bottom surface of direction loop bar and the bottom surface fixed connection of spring cavity inner chamber.

Preferably, the middle part of the top surface of the mounting frame is provided with a through hole, and the size and the shape of the through hole are matched with those of the connecting plate.

Preferably, the size and the shape of the insertion hole are matched with those of the positioning hole, and the size and the shape of the insertion hole are matched with those of the end part of the plug pin.

Preferably, the both ends equal threaded fixation of the positive left and right sides of mounting panel has the hookup point position, the bottom surface of connecting the contact and the top surface contactable intercommunication of contact point.

Preferably, the left end and the right end of the top surface of the mounting frame are both provided with guide holes, and the size and the shape of each guide hole are matched with those of the guide sleeve rod.

Compared with the prior art, the utility model has the beneficial effects that: firstly, the device utilizes mutually supporting between bolt, locking mechanical system, connecting plate and the ceramic plate through the setting of installation frame, can carry out quick disconnection processing to the mounting panel for the intercommunication and the disconnection that the intercommunication between touching the contact and connecting the contact can be convenient, thereby improved this voltage transformer's practicality.

The voltage transformer is simple to operate and convenient to use, the contact points and the connecting contact pieces can be disconnected when the mounting plate is communicated with the outside by the arrangement of the locking mechanism and the mutual matching between the connecting plate and the ceramic plate, so that the danger of electric shock can be avoided, and the adaptability of the voltage transformer is improved.

Drawings

FIG. 1 is a formal cross-sectional view of the overall structure of the present invention;

FIG. 2 is an elevational view of the overall construction of the present invention;

FIG. 3 is an elevation view of an outer structure of the present invention;

FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 1;

FIG. 5 is a schematic view of the latch of the present invention.

In the figure: 1. a mutual inductor box body; 2. a mounting base; 3. an iron core winding; 4. a mounting frame; 41. a jack; 42. a spring cavity; 43. a guide cavity; 44. connecting a contact piece; 5. a bolt; 6. a locking mechanism; 61. a balancing bar; 62. a guide loop bar; 63. erecting a rod; 64. a locking spring; 7. a connecting plate; 71. positioning holes; 8. a ceramic plate; 81. mounting a plate; 82. and contacting the connecting point.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a voltage transformer with an isolation disconnection structure comprises a transformer box body 1, a mounting seat 2 and an iron core winding 3, wherein a mounting frame 4 is fixedly arranged in the middle of the front face of the transformer box body 1, a jack 41 is arranged at the top end of the middle of the front face of the mounting frame 4, a bolt 5 is movably clamped in the front face of the jack 41, a locking mechanism 6 is movably sleeved on the top face of the mounting frame 4, spring cavities 42 are arranged in the inner cavities of the left end and the right end of the front face of the mounting frame 4, a guide cavity 43 is arranged in the middle of the front face of the mounting frame 4, connecting contact pieces 44 are fixedly communicated with the left end and the right end of the inner cavity of the guide cavity 43, a connecting plate 7 is fixedly connected to the middle of the bottom face of the locking mechanism 6, positioning holes 71 are arranged at the upper end and the lower end of the middle of the front face of the connecting plate 7, a ceramic plate 8 is fixedly connected to the bottom end of the connecting plate 8, and the left end and right end of the ceramic plate are movably clamped with the left side face and right side face of the inner cavity of the guide cavity 43, the middle part of the front surface of the ceramic plate 8 is fixedly provided with an installation plate 81, the left end and the right end of the top surface of the ceramic plate 8 are fixedly communicated with contact points 82, and the output ends of the contact points 82 are electrically connected with the input end of the installation plate 81;

the locking mechanism 6 comprises a balance rod 61, the middle part of the bottom surface of the balance rod 61 is fixedly connected with the top end of a connecting plate 7, the bottom end of the connecting plate 7 penetrates through the middle part of the top surface of the mounting frame 4 and extends into the guide cavity 43, the left end and the right end of the bottom surface of the balance rod 61 are fixedly connected with guide sleeve rods 62, the bottom end of each guide sleeve rod 62 penetrates through the top surface of the mounting frame 4 and extends into the spring cavity 42, a vertical rod 63 is movably sleeved on the bottom surface of each guide sleeve rod 62, the bottom end of each vertical rod 63 is fixedly connected with the bottom surface of the inner cavity of the spring cavity 42, a locking spring 64 positioned between the bottom surface of each guide sleeve rod 62 and the bottom surface of the inner cavity of the spring cavity 42 is movably sleeved on the outer surface of each vertical rod 63, the upper end and the lower end of each locking spring 64 are respectively fixedly connected with the bottom surfaces of the guide sleeve rods 62 and the inner cavity of the spring cavity 42, and after the connecting point on the front surface of the mounting plate 81 is communicated with an external lead wire through the arrangement of the locking mechanism 6, the bolt 5 is directly taken out, the locking spring 64 in the locking mechanism 6 is elastically deformed and restored, the top surface of the contact point 82 can be in contact communication with the bottom surface of the connecting contact piece 44, and the bolt 5 is inserted into the positioning hole 71 formed in the bottom end of the front surface of the connecting plate 7, so that the contact point 82 and the connecting contact piece 44 are stably connected;

the middle part of the top surface of the mounting frame 4 is provided with a through hole, the size and the shape of the through hole are matched with those of the connecting plate 7, and the through hole can enable the connecting plate 7 to move up and down in the through hole;

the size and the shape of the jack 41 are matched with those of the positioning hole 71, the size and the shape of the jack 41 are matched with those of the end part of the bolt 5, and the bolt 5 can be inserted into the jack 41 and the positioning hole 71 to fix the height position of the connecting plate 7;

the left end and the right end of the front surface of the mounting plate 81 are both fixed with connecting points through threads, the bottom surface of the connecting contact piece 44 is in contact communication with the top surface of the contact connecting point 82, and the mounting plate 81 can be communicated with an external lead through the arrangement of the connecting points;

the guide holes have all been seted up at the left and right sides both ends of installation frame 4 top surface, and the size and the shape of guide hole and the size and the shape looks adaptation of direction loop bar 62, the setup of guide hole can let direction loop bar 62 carry out the adjustment of direction from top to bottom wherein.

The working principle is as follows: when the transformer box is used, an operator firstly installs the transformer box 1 to an area needing to be used, before the transformer box 1 is installed, the transformer box 1, the installation base 2 and the iron core winding 3 need to be connected, then external wires are communicated with a connection point arranged on the front surface of the installation plate 81, then the bolt 5 inserted into the positioning hole 71 is pulled out, so that the elastic deformation of the locking spring 64 is recovered, the balance rod 61 can drive the connection plate 7 and the ceramic plate 8 to move upwards, the top surface of the contact point 82 can be in contact communication with the bottom surface of the connection contact piece 44, the connection point on the front surface of the installation plate 81 can be normally conductive, the bolt 5 is inserted into the corresponding positioning hole 71 and the jack 41, so that the relative position between the connection plate 7 and the installation frame 4 can be stabilized, when the disconnection is needed, the bolt 5 is taken out, the balance rod 61 is pressed down, the locking spring 64 is elastically deformed to break the connection between the contact points 82 and the connection contacts 44, and the plug 5 is inserted into the positioning hole 71 and the insertion hole 41 at the corresponding position.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a voltage transformer with keep apart disconnection structure, includes mutual-inductor box (1), mount pad (2) and iron core winding (3), its characterized in that: the transformer box comprises a transformer box body (1), an installation frame (4) is fixedly installed at the front middle part of the transformer box body (1), a jack (41) is formed in the top end of the front middle part of the installation frame (4), a bolt (5) is clamped in the front movable joint of the jack (41), a locking mechanism (6) is sleeved on the top surface of the installation frame (4), a spring cavity (42) is formed in the inner cavity of the front left end and the right end of the installation frame (4), a guide cavity (43) is formed in the front middle part of the installation frame (4), connecting contact pieces (44) are fixedly communicated with the left end and the right end of the inner cavity top surface of the guide cavity (43), a connecting plate (7) is fixedly connected to the middle part of the bottom surface of the locking mechanism (6), positioning holes (71) are formed in the upper end and the lower end of the front middle part of the connecting plate (7), and a ceramic plate (8) is fixedly connected to the bottom end of the connecting plate (7), both ends respectively with the left and right sides face activity joint of direction cavity (43) inner chamber about ceramic plate (8), the positive middle part fixed mounting of ceramic plate (8) has mounting panel (81), both ends are all fixed the intercommunication and have contact continuous point (82) about ceramic plate (8) top surface, the output of contact continuous point (82) and the input electric connection of mounting panel (81).

2. A voltage transformer having an isolating disconnect structure according to claim 1, wherein: locking mechanical system (6) are including balancing pole (61), the middle part of balancing pole (61) bottom surface and the top fixed connection of connecting plate (7), the bottom of connecting plate (7) runs through the middle part of installation frame (4) top surface and extends to the inside of direction cavity (43), the equal fixedly connected with in both ends direction loop bar (62) about balancing pole (61) bottom surface, the bottom of direction loop bar (62) runs through the top surface of installation frame (4) and extends to the inside of spring cavity (42), the bottom surface activity of direction loop bar (62) has cup jointed pole setting (63), the bottom of pole setting (63) and the bottom surface fixed connection of spring cavity (42) inner chamber, the surface activity of pole setting (63) has cup jointed the locking spring (64) that is located between the bottom surface of direction loop bar (62) and the bottom surface of spring cavity (42) inner chamber, the upper end and the lower end of the locking spring (64) are respectively fixedly connected with the bottom surface of the guide sleeve rod (62) and the bottom surface of the inner cavity of the spring cavity (42).

3. A voltage transformer having an isolating disconnect structure according to claim 1, wherein: the middle part of the top surface of the mounting frame (4) is provided with a through hole, and the size and the shape of the through hole are matched with those of the connecting plate (7).

4. A voltage transformer having an isolating disconnect structure according to claim 1, wherein: the size and the shape of the insertion hole (41) are matched with those of the positioning hole (71), and the size and the shape of the insertion hole (41) are matched with those of the end part of the plug pin (5).

5. A voltage transformer having an isolating disconnect structure according to claim 1, wherein: the equal threaded fixation in both ends has the hookup point position about mounting panel (81) is positive, the bottom surface of connecting contact piece (44) and the top surface contactable intercommunication of contacting contact point (82).

6. A voltage transformer having an isolating disconnect structure according to claim 1, wherein: the guide hole has all been seted up at the left and right sides both ends of installation frame (4) top surface, the size and the shape of guide hole and the size and the shape looks adaptation of direction loop bar (62).