CN218299521U

CN218299521U - Plug-in PQ type magnetic core transformer

Info

Publication number: CN218299521U
Application number: CN202222610972.5U
Authority: CN
Inventors: 周健宁; 程崇义; 覃新然
Original assignee: Zhuhai Longbin Electronic Technology Co ltd
Current assignee: Zhuhai Longbin Electronic Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-13
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a plug-in components formula PQ type magnetic core transformer relates to transformer technical field, including the mounting box, the top of mounting box is provided with the apron, and the bottom intermediate position department of the inside bottom of mounting box and apron all is fixed with the projection, the limiting plate is all installed to the both sides of the inside bottom of mounting box and apron bottom, the outside of projection is provided with the coil winding, the guide way has been seted up to the inner wall of mounting box, and all is fixed with the guide block on one side of the limiting plate of apron bottom, the top of guide way extends to the top of mounting box. The utility model discloses a limiting plate and projection on former skeleton are fixed on apron and mounting box to can insert the mounting box with the form of plug-in components with limiting plate and projection inside with the help of the cooperation of apron and mounting box and fix, can be convenient for fix a position the installation to the quick between the relevant spare part of transformer, also make things convenient for it to dismantle simultaneously.

Description

Plug-in PQ type magnetic core transformer

Technical Field

The utility model relates to a transformer technical field specifically is plug-in components formula PQ type magnetic core transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core, wherein the PQ transformer is a common transformer, and the transformer belongs to a high-frequency transformer, has small volume and is widely used in equipment such as a charger, a switching power supply and the like.

In the prior art, a coil of a PQ transformer is generally mounted on an upper framework and a lower framework, and then the two frameworks are connected by using an adhesive tape, but the mode is troublesome to mount, the connection of the upper framework and the lower framework is unstable, and the positioning of each part is not accurate enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide plug-in components formula PQ type magnetic core transformer to the unable quick problem of assembling and dismantling the transformer of stabilizing that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plug-in components formula PQ type magnetic core transformer, includes the mounting box, the top of mounting box is provided with the apron, and the bottom intermediate position department of the inside bottom of mounting box and apron all is fixed with the projection, the limiting plate is all installed to the inside bottom of mounting box and the both sides of apron bottom, the outside of projection is provided with coil winding.

Preferably, the inner wall of the mounting box is provided with a guide groove, and one side of the limiting plate at the bottom end of the cover plate is fixed with a guide block.

Preferably, the top end of the guide groove extends to the top end of the mounting box, and the guide block and the guide groove are connected in a sliding manner.

Preferably, two rotating plates are installed at the two ends of the limiting plate through hinged parts, limiting grooves are formed in the front end and the rear end of each rotating plate, two fixing boxes are fixed to the two sides of each mounting box, limiting blocks are arranged inside the fixing boxes, and one ends of the limiting blocks extend into the limiting grooves.

Preferably, the cavity has been seted up to the inside of fixed box one end, and the inside one end of cavity is fixed with many dead levers, the outer wall of dead lever all overlaps and is equipped with the removal strip, and one side of removing the strip all is connected with one side of stopper, the dead lever outer wall of removing strip one side all overlaps and is equipped with the spring housing.

Preferably, a spring telescopic rod is fixed at one end inside the cavity, a pull rod is installed at one end of the spring telescopic rod, one end of the pull rod extends to the outer side of the cavity, a plurality of transmission rods are installed on the outer wall of the pull rod inside the cavity through hinge parts, and one side of each transmission rod is connected with one side of each moving strip through the hinge parts.

Preferably, the movable bar is connected with the fixed bar in a sliding manner, and the maximum moving distance of the movable bar is greater than the length of the limiting block.

Compared with the prior art, the beneficial effects of the utility model are that:

fix on apron and mounting box through limiting plate and the projection with on the former skeleton to can insert the mounting box with the form of plug-in components with limiting plate and projection inside with the help of the cooperation of apron and mounting box and fix, can be convenient for to the quick installation between the relevant spare part of transformer, also make things convenient for it to dismantle simultaneously, change some parts, and apron and mounting box still play certain guard action to the coil.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the cover plate of the present invention in a side view from the bottom;

fig. 4 is a schematic side view of the sectional structure of the combination of the rotating plate and the fixing box of the present invention.

In the figure: 1. a limiting plate; 2. a convex column; 3. a coil winding; 4. a cover plate; 5. a guide groove; 6. a guide block; 7. a rotating plate; 8. a fixing box; 9. a pull rod; 10. mounting a box; 11. a spring housing; 12. a moving bar; 13. a cavity; 14. a transmission rod; 15. a spring telescopic rod; 16. a limiting block; 17. a fixing rod; 18. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-4, a plug-in PQ-core transformer includes a mounting box 10, a cover plate 4 is disposed above the mounting box 10, convex columns 2 are fixed at positions between the bottom end inside the mounting box 10 and the bottom end of the cover plate 4, limit plates 1 are mounted at two sides of the bottom end inside the mounting box 10 and the bottom end of the cover plate 4, and coil windings 3 are disposed outside the convex columns 2;

the inner wall of the mounting box 10 is provided with a guide groove 5, and guide blocks 6 are fixed on one side of the limiting plate 1 at the bottom end of the cover plate 4;

the top end of the guide groove 5 extends to the top end of the mounting box 10, and the guide block 6 is connected with the guide groove 5 in a sliding manner;

specifically, as shown in fig. 1 and 3, the guide block 6 is inserted into the guide groove 5 and moves to the maximum stroke, and the cover plate 4 can cover the mounting box 10, so that the limiting plate 1, the boss 2 and the coil winding 3 are all in proper positions, and the parts can be quickly mounted in a plugging manner, and vice versa, so that the parts can be conveniently detached.

Example 2: two ends of the limiting plate 1 are respectively provided with two rotating plates 7 through hinge parts, the front end and the rear end of each rotating plate 7 are respectively provided with a limiting groove 18, two fixing boxes 8 are respectively fixed on two sides of the mounting box 10, limiting blocks 16 are respectively arranged in the fixing boxes 8, and one end of each limiting block 16 extends into the limiting groove 18;

a cavity 13 is formed in one end of the fixed box 8, a plurality of fixed rods 17 are fixed at one end of the cavity 13, moving strips 12 are sleeved on the outer walls of the fixed rods 17, one sides of the moving strips 12 are connected with one sides of limiting blocks 16, and spring sleeves 11 are sleeved on the outer walls of the fixed rods 17 on one sides of the moving strips 12;

a spring telescopic rod 15 is fixed at one end inside the cavity 13, a pull rod 9 is installed at one end of the spring telescopic rod 15, one end of the pull rod 9 extends to the outer side of the cavity 13, a plurality of transmission rods 14 are installed on the outer wall of the pull rod 9 inside the cavity 13 through hinge parts, and one sides of the transmission rods 14 are connected with one side of the movable strip 12 through the hinge parts;

the movable strip 12 is connected with the fixed rod 17 in a sliding manner, and the maximum moving distance of the movable strip 12 is greater than the length of the limiting block 16;

specifically, as shown in fig. 1, 2 and 3, after the cover plate 4 is covered, the rotating plate 7 is rotated to enable one end of the rotating plate to enter the inside of the fixing box 8, at this time, the spring sleeve 11 can push the moving bar 12 to move along the fixing rod 17, so that the limiting block 16 is inserted into the limiting groove 18, thereby limiting the position of the rotating plate 7, and further fixing the position of the cover plate 4.

The working principle is as follows: when the device is used, the coil winding 3 is firstly inserted into the mounting box 10, the pins of the coil winding extend out of the bottom of the mounting box, then the guide block 6 is inserted into the guide groove 5 and moves to the maximum stroke, and the cover plate 4 can cover the mounting box 10, so that the limiting plate 1, the convex column 2 and the coil winding 3 are all in proper positions, the parts can be rapidly mounted in an inserting manner, and the parts are convenient to dismount on the contrary;

after the cover plate 4 is covered, the rotating plate 7 is rotated to enable one end of the rotating plate to enter the inside of the fixed box 8, at the moment, the spring sleeve 11 can push the moving strip 12 to move along the fixed rod 17, the limiting block 16 is enabled to be inserted into the limiting groove 18, the position of the rotating plate 7 is limited, the position of the cover plate 4 is further fixed, if the cover plate 4 needs to be opened, the pull rod 9 can be pushed to enable the rotating plate to apply pushing force to the moving strip 12 through the transmission rod 14, and the limiting block 16 is pushed out from the inside of the limiting groove 18.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A plug-in PQ-core transformer comprising a mounting box (10), characterized in that: the top of mounting box (10) is provided with apron (4), and the bottom intermediate position department of mounting box (10) inside bottom and apron (4) all is fixed with projection (2), limiting plate (1) are all installed to the both sides of mounting box (10) inside bottom and apron (4) bottom, the outside of projection (2) is provided with coil winding (3).

2. The plug-in PQ-core transformer according to claim 1, wherein: guide way (5) have been seted up to the inner wall of mounting box (10), and limiting plate (1) one side of apron (4) bottom all is fixed with guide block (6).

3. The plug-in PQ-type core transformer according to claim 2, wherein: the top end of the guide groove (5) extends to the top end of the mounting box (10), and the guide block (6) is connected with the guide groove (5) in a sliding mode.

4. The plug-in PQ-type core transformer according to claim 1, wherein: two rotor plates (7) are all installed through the articulated elements at the both ends of limiting plate (1), and both ends have all seted up spacing groove (18) around rotor plate (7), the both sides of mounting box (10) all are fixed with two fixed boxes (8), the inside of fixed box (8) all is provided with stopper (16), and the one end of stopper (16) all extends to the inside of spacing groove (18).

5. The plug-in PQ-type core transformer according to claim 4, wherein: cavity (13) have been seted up to the inside of fixed box (8) one end, and the inside one end of cavity (13) is fixed with many dead levers (17), the outer wall of dead lever (17) all overlaps and is equipped with and removes strip (12), and removes one side of strip (12) and all is connected with one side of stopper (16), dead lever (17) outer wall of removing strip (12) one side all overlaps and is equipped with spring housing (11).

6. The plug-in PQ-type core transformer according to claim 5, wherein: the utility model discloses a cavity (13) and movable strip (12) are fixed with spring telescopic link (15) to the inside one end of cavity (13), and the one end of spring telescopic link (15) installs pull rod (9), the one end of pull rod (9) extends to the outside of cavity (13), a plurality of transfer lines (14) are installed through the articulated elements to pull rod (9) outer wall inside cavity (13), and one side of transfer line (14) all is connected with one side of removing strip (12) through the articulated elements.

7. The plug-in PQ-type core transformer according to claim 5, wherein: the movable strip (12) is connected with the fixed rod (17) in a sliding mode, and the maximum moving distance of the movable strip (12) is larger than the length of the limiting block (16).