CN220121596U - Mutual inductance shell structure with base partition plate - Google Patents

Abstract

The utility model discloses a mutual inductance shell structure with a base partition plate, which comprises a mutual inductance shell, wherein a connecting plate is fixed on the lower end face of the mutual inductance shell, a base is arranged below the mutual inductance shell, a guide rail is fixed at the bottom end of the inner wall of the base, a movable seat is sleeved in an inner cavity of the base, sliding strips are embedded in the lower end face of the movable seat, springs I are respectively fixed in inner cavities at two sides of the movable seat, an inserting block is fixed at the extending end of each spring I, a spring II is fixed in the inner cavity of each inserting block, a clamping block is fixed at the extending end of each spring II, clamping grooves are respectively fixed at two sides of the base, and threaded seats are respectively embedded in the peripheries of the upper end faces of the movable seat. According to the utility model, the transformer can be conveniently assembled with the insulating partition plate through the bolts, meanwhile, the height of the partition plate can be flexibly adjusted, the installation height of the transformer can be conveniently adjusted, the movable seat can be pulled out from the inner cavity of the base, and the transformer can be disassembled by pulling the movable seat when the transformer is overhauled in the later stage.

Description

Mutual inductance shell structure with base partition plate

Technical Field

The utility model relates to the technical field of transformers, in particular to a transformer shell structure with a base partition board.

Background

The current transformer is an instrument for converting primary side large current into secondary side small current to measure according to an electromagnetic induction principle, and simultaneously provides power for relay protection and automatic devices, so that the performance of the transformer is good or bad, the accuracy of measurement and metering of a power system and the reliability of the action of a relay protection device are directly affected, a secondary side loop of the current transformer is always closed when the current transformer works, the impedance of a series coil of the measuring instrument and the protection loop is very small, the working state of the current transformer is close to a short circuit, the current transformer converts the primary side large current into the secondary side small current to measure, the secondary side can not be opened, the current transformer protects the primary side small current through a shell, and in the installation process of the transformer, a sensor shell is often connected with an installation place through an insulating partition plate to prevent the installation place from conducting caused by electric leakage of the transformer.

A protective current transformer enclosure shown in publication No. CN217239203U, comprising: the transformer shell body, transformer shell body up end is fixed with the control box, control box up end both sides are equipped with the recess respectively, the terminal is installed to the recess inner chamber, recess inner chamber lower extreme is fixed with spring one.

In the device, though the insulating plate with the flexible height adjusting function can prevent the danger of appearance conduction of the device, and the exposed current is led into the ground through the ground wire and the ground nail, the device is used in the process of fixing the base and the installation part, when the transformer is required to be disassembled and overhauled, the base and the equipment are required to be integrally disassembled, the disassembling and assembling process is very complicated, and the transformer does not have the function of convenient assembly.

Disclosure of Invention

The utility model aims to solve the defect that the existing mutual inductance shell structure with the base partition plate does not have the function of convenient assembly.

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

the utility model provides a take mutual-inductance shell structure of base baffle, includes the mutual-inductor shell, the terminal surface is fixed with the connecting plate under the mutual-inductor shell, be provided with the base below the mutual-inductor shell, base inner wall bottom is fixed with the guide rail, the base inner chamber has cup jointed the movable seat, the terminal surface gomphosis has the draw runner under the movable seat, the inner chamber of movable seat both sides is fixed with spring one respectively, spring one extension end is fixed with the inserted block, the inserted block inner chamber is fixed with spring two, spring two extension end is fixed with the fixture block, base both sides are fixed with the draw-in groove respectively;

screw thread seats are respectively embedded and installed around the upper end faces of the movable seats, screw rods are meshed with the inner cavities of the screw thread seats in a threaded mode, rotating shafts are installed on the upper end faces of the screw rods, and partition plates are installed between the upper end faces of the rotating shafts.

As a further description of the above technical solution:

the sliding strip is in sliding sleeve joint with the surface of the guide rail, and the movable seat forms a sliding structure with the guide rail through the sliding strip.

As a further description of the above technical solution:

the clamping block is connected with the inserting block in a penetrating and sleeving manner through a first elastic telescopic structure formed between the second spring and the inserting block.

As a further description of the above technical solution:

the plug block is sleeved with the transformer shell in a penetrating mode, and a second elastic telescopic structure is formed between the plug block and the movable seat through the first spring.

As a further description of the above technical solution:

the partition board is in a lifting structure through the screw rod and the threaded seat, and the connecting plate is in an assembling structure through the bolt and the upper end face of the partition board and is used for adjusting the peripheral height of the partition board.

In conclusion, by adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the transformer can be conveniently assembled with the insulating partition plate through the bolts, meanwhile, the height of the partition plate can be flexibly adjusted, the installation height of the transformer can be conveniently adjusted, the movable seat can be pulled out from the inner cavity of the base, and the transformer can be disassembled by pulling the movable seat when the transformer is overhauled in the later stage, so that the problems in the background art are solved.

2. According to the utility model, the movable seat of the transformer can be assembled with the base conveniently through the insert block and the clamping block, so that the transformer is prevented from loosening in the operation process, and the stability of the transformer is maintained.

Drawings

FIG. 1 is a schematic structural view of a three-dimensional transformer housing with a base spacer according to the present utility model;

FIG. 2 is a schematic view of the structure of the base of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;

fig. 4 is a schematic view of the structure of the base of the present utility model.

Legend description:

1. a transformer housing; 2. a base; 3. a connecting plate; 4. a guide rail; 5. a movable seat; 6. a slide bar; 7. a first spring; 8. inserting blocks; 9. a second spring; 10. a clamping block; 11. a clamping groove; 12. a screw seat; 13. a screw; 14. a rotating shaft; 15. a partition board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a mutual inductance shell structure with a base partition plate comprises a mutual inductance shell 1, wherein a connecting plate 3 is fixed on the lower end surface of the mutual inductance shell 1, a base 2 is arranged below the mutual inductance shell 1, a guide rail 4 is fixed on the bottom end of the inner wall of the base 2, a movable base 5 is sleeved in the inner cavity of the base 2, sliding strips 6 are embedded in the lower end surface of the movable base 5, springs I7 are respectively fixed in the inner cavities on two sides of the movable base 5, an inserting block 8 is fixed at the extension end of each spring I7, a spring II 9 is fixed in the inner cavity of the inserting block 8, a clamping block 10 is fixed at the extension end of each spring II 9, and clamping grooves 11 are respectively fixed on two sides of the base 2;

screw bases 12 are respectively embedded and installed around the upper end faces of the movable bases 5, screw rods 13 are in threaded engagement with the inner cavities of the screw bases 12, rotating shafts 14 are installed on the upper end faces of the screw rods 13, and partition plates 15 are installed between the upper end faces of the rotating shafts 14;

the base 2 is arranged at a specified position, the clamping block 10 is manually extruded, the clamping block 10 extrudes the second spring 9 to retract into the inner cavity of the inserting block 9, the inserting block 9 is manually extruded, the first spring 7 is extruded to retract into the inner cavity of the movable seat 5, the movable seat 5 is pushed to move on the surface of the guide rail 4 through the sliding strip 6 at the bottom end, the movable seat 5 can be slid into the inner cavity of the base 2, after the movable seat is moved to the specified position, the inserting block 8 is inserted into two sides of the base 2 in a penetrating manner through the elastic characteristic of the first spring 7, meanwhile, the clamping block 10 is extruded and inserted into the inner cavity of the clamping groove 11 through the elastic characteristic of the second spring 9, so that the position of the inserting block 8 is fixed, and the inserting block 8 is assembled between the movable seat 5 and the base 2;

the four screws 13 are manually rotated in sequence, the screws 13 are rotated and lifted in the inner cavity of the screw seat 12, and the heights of the periphery of the partition plate 15 can be adjusted through the screws 13, so that the partition plate is adjusted to a proper height.

Further, the sliding strip 6 is in sliding sleeve connection with the surface of the guide rail 4, and the movable seat 5 forms a sliding structure with the guide rail 4 through the sliding strip 6.

Further, the clamping block 10 forms a first elastic telescopic structure through the second spring 9 and the inserting block 8, and the clamping block 10 and the clamping groove 11 are sleeved in a penetrating manner.

Further, the plug 8 is in penetrating and sleeving connection with the transformer shell 1, and the plug 8 forms a second elastic telescopic structure with the movable seat 5 through the first spring 7.

Further, the partition plate 15 forms a lifting structure with the screw 13 and the screw seat 12, and the connecting plate 3 forms an assembling structure with the upper end surface of the partition plate 15 through bolts for adjusting the height around the partition plate 15.

Working principle: when the novel movable base is used, firstly, the base 2 is arranged at a specified position, then the clamping block 10 is manually extruded, the clamping block 10 extrudes the spring II 9 and is contracted into the inner cavity of the inserting block 9, then the inserting block 9 is manually extruded, the spring I7 is extruded and contracted into the inner cavity of the movable base 5, the movable base 5 is pushed to move on the surface of the guide rail 4 through the sliding strip 6 at the bottom end, the movable base 5 can be slid into the inner cavity of the base 2, after the movable base is moved to the specified position, the inserting block 8 penetrates through and is inserted into two sides of the base 2 through the elastic characteristic of the spring I7, meanwhile, the clamping block 10 is extruded and inserted into the inner cavity of the clamping groove 11 through the elastic characteristic of the spring II, so that the position of the inserting block 8 is fixed, the movable base 5 and the base 2 are assembled, the four screws 13 are manually rotated in sequence, the screws 13 are rotated and lifted in the inner cavity of the threaded base 12, the heights of the periphery of the partition 15 can be adjusted through the screws 13, and the appropriate height can be adjusted, so that the working principle of the novel movable base is completed.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (5)

1. The utility model provides a take mutual-inductance shell structure of base baffle, includes mutual-inductor shell (1), its characterized in that, terminal surface is fixed with connecting plate (3) under mutual-inductor shell (1), mutual-inductor shell (1) below is provided with base (2), base (2) inner wall bottom fixed has guide rail (4), base (2) inner chamber has cup jointed and has moved seat (5), the terminal surface gomphosis has draw-bar (6) under moving seat (5), the inner chamber of moving seat (5) both sides is fixed with spring one (7) respectively, spring one (7) extension end is fixed with inserted block (8), inserted block (8) inner chamber is fixed with spring two (9), spring two (9) extension end is fixed with fixture block (10), base (2) both sides are fixed with draw-in groove (11) respectively;

screw thread bases (12) are respectively embedded and installed around the upper end faces of the movable bases (5), screw rods (13) are in threaded engagement with inner cavities of the screw thread bases (12), rotating shafts (14) are installed on the upper end faces of the screw rods (13), and partition plates (15) are installed between the upper end faces of the rotating shafts (14).

2. The mutual inductance shell structure with the base partition plate according to claim 1, wherein the sliding strip (6) is in sliding sleeve connection with the surface of the guide rail (4), and the movable base (5) forms a sliding structure with the guide rail (4) through the sliding strip (6).

3. The mutual inductance shell structure with the base partition plate according to claim 1, wherein a first elastic telescopic structure is formed between the clamping block (10) and the inserting block (8) through the second spring (9), and the clamping block (10) and the clamping groove (11) are sleeved in a penetrating mode.

4. The mutual inductance housing structure with the base partition plate according to claim 1, wherein the insertion block (8) is in penetrating sleeve connection with the mutual inductance housing (1), and the insertion block (8) forms a second elastic telescopic structure with the movable base (5) through the first spring (7).

5. The mutual inductance housing structure with the base partition plate according to claim 1, wherein the partition plate (15) forms a lifting structure with the screw seat (12) through a screw rod (13), and the connecting plate (3) forms an assembling structure with the upper end face of the partition plate (15) through a bolt for adjusting the peripheral height of the partition plate (15).