CN214476764U

CN214476764U - N-pole external mutual inductor

Info

Publication number: CN214476764U
Application number: CN202120508755.8U
Authority: CN
Inventors: 刘祖明; 吴东钱
Original assignee: Hangzhou Kefeng Electronic Co ltd
Current assignee: Hangzhou Kefeng Electronic Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-10-22
Anticipated expiration: 2031-03-10

Abstract

The utility model belongs to the technical field of mutual inductors, in particular to an N-pole external mutual inductor, which aims at the problems that the existing mutual inductor needs to be overhauled or be connected with a circuit after being installed, the problems that the shell is inconvenient to disassemble and open, the use efficiency of the mutual inductor is greatly influenced, and the operation of workers is inconvenient are solved, the novel fixing device comprises a shell, a cover plate is slidably mounted on the shell, a mounting plate is fixedly mounted at the bottom of the shell, two clamping grooves are symmetrically formed in the shell, two clamping rods are symmetrically and slidably mounted on the cover plate and are matched with the two clamping grooves respectively, one end of each mounting rod is mounted on the cover plate in a rotating mode, a knob is fixedly mounted at the other end of each mounting rod, an elliptical plate is fixedly mounted on each mounting rod, one end of each fixing rod is symmetrically and slidably mounted on the elliptical plate, and one end of each connecting rod is fixedly mounted at the other end of each fixing rod. The utility model is simple in operation, convenient to use, the operating personnel of being convenient for is to the maintenance and the change of circuit.

Description

N-pole external mutual inductor

Technical Field

The utility model relates to a mutual-inductor technical field especially relates to an external mutual-inductor of N utmost point.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to realize standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for isolating a high-voltage system so as to ensure the safety of people and equipment.

However, when the existing mutual inductor needs to be overhauled or be connected with a circuit again after being installed, the shell is inconvenient to disassemble and open, the use efficiency of the mutual inductor is greatly influenced, and the operation of workers is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current mutual-inductor and if need overhaul or when changing over the circuit after installing, the shell is dismantled and is opened inconveniently, great influence the availability factor of mutual-inductor, the shortcoming of the workman's of not being convenient for operation, and the external mutual-inductor of the N utmost point that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an external mutual-inductor of N utmost point, which comprises a housin, slidable mounting has the apron on the casing, the bottom fixed mounting of casing has the mounting panel, two draw-in grooves have been seted up to the internal symmetry of casing, symmetrical slidable mounting has two kellies on the apron, two kellies cooperate with two draw-in grooves respectively, the apron rotates the one end of installing the pole, the other end fixed mounting of installing the pole has the knob, fixed mounting has the elliptical plate on the installation pole, symmetrical slidable mounting has the one end of dead lever on the elliptical plate, the equal fixed mounting of the other end of two dead levers has the one end of connecting rod, the equal slidable mounting of two connecting rods is on the apron, the other end of two connecting rods respectively with two kellies fixed connection.

Preferably, two chutes are symmetrically formed in the cover plate, limiting rods are fixedly mounted in the two chutes, supporting rods are slidably mounted on the two limiting rods, and the two supporting rods are fixedly mounted in the shell.

Preferably, two mounting grooves are symmetrically formed in the cover plate, sliding blocks are arranged in the two mounting grooves in a sliding mode, and the two sliding blocks are fixedly connected with the two clamping rods and the two connecting rods respectively.

Preferably, the springs are fixedly mounted in the two mounting grooves and are fixedly connected with the two sliding blocks respectively.

Preferably, two sliding holes are symmetrically formed in the cover plate, and the two connecting rods are slidably mounted in the two sliding holes respectively.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the shell, the cover plate, the mounting plate, the clamping grooves, the sliding grooves, the limiting rods, the supporting rods, the clamping rods, the mounting grooves, the sliding blocks, the springs, the mounting rods, the knobs, the elliptical plates, the fixing rods, the connecting rods and the sliding holes are arranged, after the mutual inductor is mounted and used, the cover plate can be moved to the right side, when the mutual inductor is moved to a proper position, the two clamping rods can be popped out and clamped into the two clamping grooves under the elastic force of the springs to fix the cover plate, the circuit is protected, and the use is convenient;

(2) this scheme is through having set up the casing, the apron, the mounting panel, the draw-in groove, the spout, the gag lever post, the bracing piece, the kelly, the mounting groove, the slider, a spring, the installation pole, the knob, the elliptical plate, the dead lever, the connecting rod, the sliding hole, if need overhaul at ordinary times or when changing the circuit line, rotate the knob, the knob drives the installation pole and rotates, the installation pole drives the elliptical plate and rotates, the elliptical plate drives two dead levers and removes, two dead levers drive two connecting rods and remove, pull out two kellies from two draw-in grooves, remove the fixed to the apron, can open the apron, and easy operation, it is very convenient to use.

The utility model is simple in operation, convenient to use, the operating personnel of being convenient for is to the maintenance and the change of circuit.

Drawings

Fig. 1 is a schematic structural diagram of an N-pole external transformer according to the present invention;

fig. 2 is a schematic structural view of a cover plate, a clamping rod and the like of an N-pole external transformer provided by the utility model;

fig. 3 is the utility model provides a part a schematic structure of external mutual-inductor of N utmost point.

In the figure: 1. a housing; 2. a cover plate; 3. mounting a plate; 4. a card slot; 5. a chute; 6. a limiting rod; 7. a support bar; 8. a clamping rod; 9. mounting grooves; 10. a slider; 11. a spring; 12. mounting a rod; 13. a knob; 14. an elliptical plate; 15. fixing the rod; 16. a connecting rod; 17. a slide hole.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, an external mutual inductor of N utmost point, including casing 1, slidable mounting has apron 2 on casing 1, casing 1's bottom fixed mounting has mounting panel 3, two draw-in grooves 4 have been seted up to the symmetry in casing 1, symmetrical slidable mounting has two kellies 8 on apron 2, two kellies 8 cooperate with two draw-in grooves 4 respectively, apron 2 rotates the one end of installing pole 12, the other end fixed mounting of installing pole 12 has knob 13, fixed mounting has elliptical plate 14 on installing pole 12, symmetrical slidable mounting has the one end of dead lever 15 on elliptical plate 14, the equal fixed mounting of the other end of two dead levers 15 has the one end of connecting rod 16, the equal slidable mounting of two connecting rods 16 is on apron 2, the other end of two connecting rods 16 respectively with two kellies 8 fixed connection.

In this embodiment, two spouts 5 have been seted up to the symmetry on apron 2, and equal fixed mounting has gag lever post 6 in two spouts 5, and equal slidable mounting has bracing piece 7 on two gag lever posts 6, and two equal fixed mounting of bracing piece 7 have guaranteed that apron 2's stable slip does not rock in casing 1.

In this embodiment, two mounting grooves 9 have been seted up to the symmetry on the apron 2, and equal slidable mounting has slider 10 in two mounting grooves 9, and two sliders 10 have guaranteed two kellies 8's steady slip with two kellies 8 and two connecting rod 16 fixed connection respectively.

In this embodiment, equal fixed mounting has spring 11 in two mounting grooves 9, two springs 11 respectively with two slider 10 fixed connection for two kellies 8 can reset and pop out after losing thrust.

In this embodiment, two sliding holes 17 have been seted up to the symmetry on the apron 2, and two connecting rods 16 are slidable mounting respectively in two sliding holes 17, have guaranteed the stable slip of two connecting rods 16.

Example two

Referring to fig. 1-3, an external mutual inductor of N utmost point, including casing 1, slidable mounting has apron 2 on casing 1, there is mounting panel 3 bottom of casing 1 through welded fastening, two draw-in grooves 4 have been seted up to the symmetry in casing 1, symmetrical slidable mounting has two kellies 8 on apron 2, two kellies 8 cooperate with two draw-in grooves 4 respectively, apron 2 rotates the one end of installing pole 12, the other end of installing pole 12 has knob 13 through welded fastening, install elliptical plate 14 through welded fastening on the installing pole 12, symmetrical slidable mounting has the one end of dead lever 15 on elliptical plate 14, the other end of two dead levers 15 all has the one end of connecting rod 16 through welded fastening, two connecting rods 16 all slidable mounting are on apron 2, the other end of two connecting rods 16 respectively with two kellies 8 fixed connection.

In this embodiment, two spouts 5 have been seted up to the symmetry on apron 2, all have gag lever post 6 through welded fastening in two spouts 5, and equal slidable mounting has bracing piece 7 on two gag lever posts 6, and two bracing pieces 7 are all installed in casing 1 through welded fastening, have guaranteed that apron 2's stable slip does not rock.

In this embodiment, all there is spring 11 through welded fastening in two mounting grooves 9, two springs 11 respectively with two slider 10 fixed connection for two kellies 8 can reset and pop out after losing thrust.

In the embodiment, when the mutual inductor is needed to be used, the mutual inductor is installed in the shell 1, then the whole device is installed at a position needing to be used through the installation plate 3, the cover plate 2 is covered by sliding towards the right side after installation, after the cover plate 2 is moved to a certain position, the two clamping rods 8 are popped out under the elastic force of the two springs 11 and are respectively clamped into the two clamping grooves 4, the cover plate 2 is fixed, the mutual inductor and a circuit in the shell 1 are effectively protected, at ordinary times, if the circuit needs to be overhauled or replaced, the knob 13 is rotated, the knob 13 drives the installation rod 12 to rotate, the installation rod 12 drives the elliptical plate 14 to rotate, the elliptical plate 14 drives the two fixing rods 15 to move, the fixing rods 15 drive the two connecting rods 16 to move, the two connecting rods 16 drive the two sliding blocks 10 to move, the two connecting rods 16 drive the two clamping rods 8 to move, and the two clamping rods 8 are pulled out from the two clamping grooves 4, the fixing of the cover plate 2 is released, and the cover plate 2 is opened, so that the operation is very convenient.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. An N-pole external mutual inductor comprises a shell (1) and is characterized in that a cover plate (2) is slidably mounted on the shell (1), a mounting plate (3) is fixedly mounted at the bottom of the shell (1), two clamping grooves (4) are symmetrically formed in the shell (1), two clamping rods (8) are symmetrically slidably mounted on the cover plate (2), the two clamping rods (8) are respectively matched with the two clamping grooves (4), one end of a mounting rod (12) is rotatably mounted on the cover plate (2), a knob (13) is fixedly mounted at the other end of the mounting rod (12), an elliptical plate (14) is fixedly mounted on the mounting rod (12), one ends of fixing rods (15) are symmetrically slidably mounted on the elliptical plate (14), one ends of connecting rods (16) are fixedly mounted at the other ends of the two fixing rods (15), and the two connecting rods (16) are slidably mounted on the cover plate (2), the other ends of the two connecting rods (16) are respectively fixedly connected with the two clamping rods (8).

2. The external N-pole transformer according to claim 1, wherein the cover plate (2) is symmetrically provided with two sliding grooves (5), the two sliding grooves (5) are both fixedly provided with a limiting rod (6), the two limiting rods (6) are both slidably provided with supporting rods (7), and the two supporting rods (7) are both fixedly provided in the housing (1).

3. The external N-pole transformer according to claim 1, wherein the cover plate (2) is symmetrically provided with two mounting grooves (9), the two mounting grooves (9) are internally provided with sliding blocks (10) in a sliding manner, and the two sliding blocks (10) are respectively and fixedly connected with the two clamping rods (8) and the two connecting rods (16).

4. An N-pole external mutual inductor according to claim 3, characterized in that springs (11) are fixedly arranged in the two mounting grooves (9), and the two springs (11) are respectively and fixedly connected with the two sliding blocks (10).

5. The external mutual inductor of N pole according to claim 1, wherein the cover plate (2) is symmetrically provided with two sliding holes (17), and the two connecting rods (16) are respectively slidably mounted in the two sliding holes (17).