CN207765292U - A Transformer with Protective Function - Google Patents

Abstract

The utility model discloses a transformer with protect function, which comprises a housin, a lateral symmetry of casing is equipped with two supporting legs, the one end of supporting leg is connected with the pin, be equipped with the cavity on the casing, the symmetry is equipped with two mounting panels, two in the cavity be equipped with the magnetic core between the mounting panel, be equipped with first mounting groove on the lateral wall of cavity, the first slide bar of fixedly connected with on the first mounting groove, sliding connection has worker's shape cover on the first slide bar, be connected with first spring beam on the worker's shape cover, the one end of first spring beam is connected with the movable rod, be equipped with the second mounting groove on the movable rod. The utility model discloses simple structure easy operation, through the interact of first slide bar, first mounting groove, worker's shape cover, second mounting groove, first spring beam, cavity, second slide bar, spring isotructure can be so that more firm of magnetic core installation, avoid appearing rocking the phenomenon that drops, avoid influencing the operation of equipment.

Description

A Transformer with Protective Function

technical field

The utility model relates to the field of electronic technology, in particular to a transformer with protection function.

Background technique

The function of the transformer is to drive the normal use of some electrical equipment by changing the voltage. The transformer is an important device for power transmission and voltage conversion. It is widely used in the field of power electronics. The product cost is high, and the use environment is relatively harsh. Traditional The magnetic core of the current transformer is clamped and fixed by the friction between the side wall of the installation groove and the installation plate. This installation method is not stable enough, and it is easy to fall off, which affects the operation of the equipment.

Utility model content

The purpose of this utility model is to solve the shortcomings existing in the prior art, such as: the magnetic core of the traditional transformer is to use the friction force between the side wall of the installation groove and the installation plate to realize the clamping and fixing, such installation method Not stable enough, easy to fall off, affecting the operation of the equipment.

In order to achieve the above object, the utility model adopts the following technical solutions:

A transformer with a protective function, comprising a housing, one side of the housing is symmetrically provided with two supporting legs, one end of the supporting legs is connected with a pin, the housing is provided with a cavity, the Two mounting plates are arranged symmetrically in the cavity, a magnetic core is disposed between the two mounting plates, a first mounting groove is formed on the side wall of the cavity, and a second mounting groove is fixedly connected to the first mounting groove. A slide bar, the first slide bar is slidably connected with a work-shaped sleeve, the work-shaped sleeve is connected with a first spring rod, one end of the first spring rod is connected with a movable rod, and the movable rod is provided with There is a second installation groove, and a second slide bar is arranged on the second installation groove, and a spring is wound on the second slide bar, and one end of the spring is on the side wall of the second installation groove, and the spring The other end of the loading plate is connected with a loading plate, and the loading plate is slidably connected to the second slide bar. One end of the movable rod is inserted with a rotating shaft, and the rotating shaft is connected with a bearing in rotation, and the bearing is located on one side of the movable rod. The cavity is provided with a trapezoidal block, the bearing is against the hypotenuse of the trapezoidal block, the other end of the movable rod is provided with a third installation groove, and the side wall of the third installation groove is connected with a first Two spring rods, one end of the second spring rod is connected with a connecting rod, one end of the connecting rod is connected with a pressure rod, and the pressure rod is pressed against one end of the mounting plate, and the connecting rod and the third mounting groove are provided with With anti-off device.

Preferably, adhesive plaster is wrapped on the magnetic core.

Preferably, the anti-off device includes a first bump and a second bump, one side of the first bump is slidably connected to the side wall of the third installation groove, and the other side of the first bump One side of the second projection is fixedly connected to the side wall of the third installation groove, and the other side of the second projection is slidably connected to one side of the connection rod.

Preferably, a locking groove is provided on the inner side wall of the pressure rod, and a friction plate is locked in the locking groove.

Preferably, the pressing rod and the connecting rod are integrally formed.

Compared with the prior art, the beneficial effect of the utility model is that the structure is simple and the operation is easy, through the first slide bar, the first installation groove, the work-shaped sleeve, the second installation groove, the first spring rod, the cavity, the second The interaction of the slide bar, spring and other structures can make the magnetic core installed more firmly, avoid shaking and falling off, and avoid affecting the operation of the equipment.

Description of drawings

Fig. 1 is the front structure schematic diagram of a kind of transformer with protection function proposed by the utility model;

FIG. 2 is a schematic diagram of a partially enlarged structure of A in FIG. 1 .

In the figure: 1 pin, 2 supporting legs, 3 housing, 4 mounting plate, 5 magnetic core, 6 pressure rod, 7 connecting rod, 8 movable rod, 9 loading plate, 10 trapezoidal block, 11 bearing, 12 first slide Rod, 13 first mounting grooves, 14 tool-shaped sleeves, 15 second mounting grooves, 16 first spring rods, 17 cavities, 18 second slide bars, 19 springs.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

Referring to Figure 1-2, a transformer with protection function includes a housing 3, one side of the housing 3 is symmetrically provided with two supporting legs 2, one end of the supporting legs 2 is connected to a pin 1, and the housing 3 is provided with There is a cavity 17, two mounting plates 4 are symmetrically arranged in the cavity 17, a magnetic core 5 is arranged between the two mounting plates 4, and an adhesive tape is wrapped on the magnetic core 5 to increase the protection distance. The side wall of the cavity 17 The first mounting groove 13 is provided on the top, the first mounting groove 13 is fixedly connected with the first slide bar 12, the first slide bar 12 is slidably connected with the I-shape sleeve 14, and the I-shape sleeve 14 is connected with the first spring rod 16 , one end of the first spring rod 16 is connected with a movable rod 8, the movable rod 8 is provided with a second mounting groove 15, the second mounting groove 15 is provided with a second sliding rod 18, and the second sliding rod 18 is wound with a spring 19. One end of the spring 19 is on the side wall of the second installation groove 15, the other end of the spring 19 is connected with the loading plate 9, the loading plate 9 is slidably connected to the second sliding rod 18, and one end of the movable rod 8 is interspersed with a rotating shaft. Rotation is connected with bearing 11 on the rotating shaft, and bearing 11 is positioned at the side of movable rod 8, is provided with trapezoidal block 10 on the cavity 17, and bearing 11 is against on the hypotenuse of trapezoidal block 10, and the other end of movable rod 8 is provided with the second. Three installation grooves, the side wall of the third installation groove is connected with a second spring bar, one end of the second spring bar is connected with a connecting rod 7, and one end of the connecting rod 7 is connected with a depression bar 6, and the depression rod 6 and the connection rod 7 are One-piece molding is convenient for production and manufacture. There is a card slot on the inner wall of the pressure rod 6, and a friction plate is clamped in the card slot. The friction plate increases the friction between the pressure rod 6 and the mounting plate 4 to improve the pre-tightening force. Depression bar 6 is pressed on one end of mounting plate 4, and connecting rod 7 and the 3rd installation groove are provided with anti-off device, and anti-off device comprises first protrusion and second protrusion, and one side of first protrusion is slidably connected on On the side wall of the third mounting groove, the other side of the first projection is fixedly connected to one side of the connecting rod 7, and one side of the second projection is fixedly connected to the side wall of the third mounting groove. The other side of the sliding connection is connected to one side of the connecting rod 7, and through the effects of the first protrusion and the second protrusion, the falling off of the connecting rod 7 is avoided.

In the utility model, when the user uses the device, when the mounting plate 4 slowly moves downwards, then the loading plate 9 moves downwards, then the spring 19 is compressed, and then the movable rod 8 is driven to move downwards, and at the same time, the bearing 11 Sliding on the hypotenuse of the trapezoidal block 10, the movable rod 8 is slowly lowered, and then the pressure rod 6 is slowly lowered, and then the pressure rod 6 is pressed and fixed to the mounting plate 4 under the action of the second spring rod.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. A transformer with protection function, comprising a housing (3), characterized in that, one side of the housing (3) is symmetrically provided with two supporting legs (2), and the supporting legs (2) One end is connected with a pin (1), the housing (3) is provided with a cavity (17), and two mounting plates (4) are symmetrically arranged in the cavity (17), and the two mounting plates (4) A magnetic core (5) is provided between them, and a first installation groove (13) is provided on the side wall of the cavity (17), and a first sliding groove (13) is fixedly connected to the first installation groove (13). Rod (12), said first slide bar (12) is slidably connected with I-shape sleeve (14), and said I-shape sleeve (14) is connected with first spring bar (16), and said first spring bar One end of (16) is connected with movable rod (8), is provided with second installation groove (15) on described movable rod (8), is provided with second slide bar (18) on described second installation groove (15) , the second slide bar (18) is wound with a spring (19), one end of the spring (19) is on the side wall of the second mounting groove (15), and the other end of the spring (19) is connected to There is a loading plate (9), and the loading plate (9) is slidably connected to the second sliding rod (18), and one end of the movable rod (8) is inserted with a rotating shaft, and the rotating shaft is connected with a bearing (11) , the bearing (11) is located on one side of the movable rod (8), the cavity (17) is provided with a trapezoidal block (10), and the bearing (11) is against the hypotenuse of the trapezoidal block (10) Above, the other end of the movable rod (8) is provided with a third mounting groove, the side wall of the third mounting groove is connected with a second spring rod, and one end of the second spring rod is connected with a connecting rod (7 ), one end of the connecting rod (7) is connected with a pressing rod (6), and the pressing rod (6) is pressed against one end of the mounting plate (4), and the connecting rod (7) and the third mounting groove are provided with With anti-off device. 2. A transformer with protection function according to claim 1, characterized in that, said magnetic core (5) is wrapped with adhesive tape. 3. A transformer with protection function according to claim 1, characterized in that the anti-off device comprises a first bump and a second bump, one side of the first bump is slidingly connected to the second bump. On the side wall of the third mounting groove, the other side of the first projection is fixedly connected to one side of the connecting rod (7), and one side of the second projection is fixedly connected to the side wall of the third mounting groove , the other side of the second protrusion is slidably connected to one side of the connecting rod (7). 4 . The transformer with protection function according to claim 1 , characterized in that, the inner side wall of the pressure rod ( 6 ) is provided with a clamping groove, and a friction plate is clamped in the clamping groove. 5 . 5. The transformer with protection function according to claim 1, characterized in that, the pressing rod (6) and the connecting rod (7) are integrally formed.