CN216902467U

CN216902467U - Embedded transformer PCB coil connecting device

Info

Publication number: CN216902467U
Application number: CN202123376731.0U
Authority: CN
Inventors: 陈仁双
Original assignee: Dongguan Jinbihui Electronics Co ltd
Current assignee: Dongguan Jinbihui Electronics Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-05
Anticipated expiration: 2031-12-30

Abstract

An embedded transformer PCB coil connecting device relates to the field of transformers and comprises a coil, a coil seat, connecting columns and a limiting seat, wherein the coil seat is arranged at the bottom of the coil, a plurality of groups of connecting columns are equidistantly arranged on the lower surface of the coil seat, the bottom of the coil is connected with a connecting seat through the coil seat, an inserting groove is formed in the upper surface of the connecting seat, the inserting groove and the coil seat are mutually inserted, fixing seats are arranged in the middle parts of two sides of the connecting seat, and limiting sliding grooves are formed in the upper surfaces of the fixing seats; this novel left backplate and right backplate are located the coil both sides respectively, and it can make left backplate and right backplate and coil both sides laminating inseparabler to peg graft with the plug socket simultaneously a section of thick bamboo, protects the coil through left backplate and right backplate, can avoid the coil to take place to swing after receiving external force influence in the use, and the outer wall of coil is the exposed state, under the prerequisite that provides sufficient protecting effect to the coil, the coil still has stronger radiating effect.

Description

Embedded transformer PCB coil connecting device

Technical Field

The utility model relates to the field of transformers, in particular to an embedded transformer PCB coil connecting device.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like; the transformer can be divided into distribution transformer, power transformer, full-sealed transformer, combined transformer, dry transformer, oil immersed transformer, single phase transformer, electric furnace transformer, rectifier transformer, reactor, anti-interference transformer, lightning protection transformer, box type transformer test transformer, corner transformer, heavy current transformer, exciting transformer, etc

The PCB coil connecting device of the existing embedded transformer is poor in stability of installation of the PCB coil in the using process, the PCB coil is easy to loosen when being subjected to external force, so that faults of the transformer are caused, meanwhile, the PCB coil is fixed in an inner cavity of the PCB coil by the existing connecting device, the heat dissipation effect of the PCB coil is influenced in the using process, and the PCB coil connecting device of the existing embedded transformer is provided in the application for solving the problems.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background art, the utility model provides an embedded transformer PCB coil connecting device, wherein a left protection plate and a right protection plate are respectively positioned on two sides of a coil, and meanwhile, an insertion cylinder is inserted into an insertion base to enable the left protection plate and the right protection plate to be more tightly attached to the two sides of the coil.

(II) technical scheme

In order to solve the above problems, the present invention provides an embedded transformer PCB coil connecting device, which comprises a coil, a coil holder, a connecting post and a limiting holder, the bottom of the coil is provided with a coil base, the lower surface of the coil base is equidistantly provided with a plurality of groups of connecting columns, the bottom of the coil is connected with a connecting seat through a coil seat, the upper surface of the connecting seat is provided with an inserting groove, the inserting groove and the coil seat are inserted with each other, the middle parts of two sides of the connecting seat are provided with a fixed seat, the upper surface of the fixed seat is provided with a limit sliding groove, the inner cavity of the limit sliding groove is connected with a limit sliding block in a sliding way, wherein a left guard plate is arranged above one group of the limiting slide blocks, the surface of one side of the left guard plate, which is close to the coil, is provided with an inserting cylinder, and a right guard plate is arranged above the other group of limiting sliding blocks, a plug socket is arranged on the surface of one side, close to the coil, of the right guard plate, and the plug socket and the plug cylinder are mutually plugged.

Preferably, both sides of the bottom of the coil are provided with limiting seats, and the bottom of each limiting seat is connected with the upper surface of the corresponding coil seat.

Preferably, a plurality of groups of connecting jacks are arranged on the bottom surface of the inner cavity of the insertion groove at equal intervals, and the connecting jacks are inserted into the connecting columns.

Preferably, the bottom of the connecting seat is fixedly connected with a fixing plate.

Preferably, the diameter of the outer wall of the plug-in cylinder is the same as that of the inner wall of the coil.

Preferably, the supporting seat has all been welded to the limit slide upper surface, and is two sets of the limit slide top links to each other with left backplate and right backplate through the supporting seat respectively.

Preferably, a fixing hole is formed in one end of the upper surface of the limiting sliding block.

Preferably, the inner cavities of the fixing holes are in threaded connection with fixing hand wheels.

The technical scheme of the utility model has the following beneficial technical effects:

1. according to the utility model, after the limiting slide block is moved to one end of the limiting slide groove, the bottom of the fixed hand wheel is in threaded connection with the fixed hole, the limiting slide block can be limited by rotating the fixed hand wheel, so that the left protective plate and the right protective plate can be respectively positioned at two sides of the coil, meanwhile, the insertion cylinder is in insertion connection with the insertion seat, the diameter of the outer wall of the insertion cylinder is the same as that of the inner wall of the coil, the insertion cylinder is in insertion connection with the insertion seat, so that the left protective plate and the right protective plate can be more tightly attached to two sides of the coil, the stability of the coil installation can be further improved, and meanwhile, the coil is protected by the left protective plate and the right protective plate, and the coil can be prevented from swinging after being influenced by external force in the use process.

2. The outer wall of the coil is exposed, and the coil still has a strong heat dissipation effect on the premise of providing a sufficient protection effect for the coil.

Drawings

Fig. 1 is a schematic view of an overall structure of an embedded transformer PCB coil connection device according to the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of an embedded transformer PCB coil connection device according to the present invention.

Fig. 3 is a schematic diagram of a connection socket structure of an embedded transformer PCB coil connection device according to the present invention.

Fig. 4 is a schematic diagram of a coil structure of an embedded transformer PCB coil connection device according to the present invention.

Reference numerals: 1. a coil; 101. a coil holder; 102. connecting columns; 103. a limiting seat; 2. a connecting seat; 201. a fixing plate; 202. inserting grooves; 203. connecting the jacks; 204. a fixed seat; 205. a limiting chute; 206. a limiting slide block; 207. a fixing hole; 208. fixing a hand wheel; 3. a supporting seat; 301. a left guard plate; 302. a plug-in barrel; 303. a right guard plate; 304. a socket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the embedded transformer PCB coil connecting device provided by the present invention comprises a coil 1, a coil base 101, connecting posts 102 and a limiting base 103, wherein the coil base 101 is disposed at the bottom of the coil 1, a plurality of sets of connecting posts 102 are disposed on the lower surface of the coil base 101 at equal intervals, the bottom of the coil 1 is connected to a connecting base 2 through the coil base 101, an insertion groove 202 is disposed on the upper surface of the connecting base 2, the insertion groove 202 is inserted into the coil base 101, a fixing base 204 is disposed in the middle of two sides of the connecting base 2, a limiting sliding slot 205 is disposed on the upper surface of the fixing base 204, a limiting sliding block 206 is slidably connected to the inner cavity of the limiting sliding slot 205, a left guard plate 301 is disposed above one set of the limiting sliding blocks 206, an insertion tube 302 is disposed on the surface of one side of the left guard plate 301 close to the coil 1, a right guard plate 303 is disposed above the other set of the limiting sliding blocks 206, the surface of one side of the right guard plate 303 close to the coil 1 is provided with a socket 304, and the socket 304 is inserted into the insertion cylinder 302.

In an alternative embodiment, the coil 1 is provided with a limiting seat 103 on two sides of the bottom, and the bottom of the limiting seat 103 is connected with the upper surface of the coil seat 101.

It should be noted that the connection strength between the coil 1 and the coil holder 101 can be increased by the stopper holder 103.

In an alternative embodiment, a plurality of sets of connection jacks 203 are equidistantly formed on the bottom surface of the inner cavity of the insertion groove 202, and the connection jacks 203 are inserted into the connection column 102.

It should be noted that, the connection column 102 and the connection jack 203 are inserted into each other, so that the coil 1 and the circuit board can be electrically connected.

In an alternative embodiment, a fixing plate 201 is fixedly connected to the bottom of the connecting socket 2.

It should be noted that the bottom of the connecting socket 2 is connected to the surface of the circuit board through the fixing plate 201.

In an alternative embodiment, the outer wall of the cartridge 302 is the same diameter as the inner wall of the coil 1.

It should be noted that, the diameter of the outer wall of the insertion tube 302 is the same as that of the inner wall of the coil 1, so that the inner wall of the coil 1 is limited after the insertion tube 302 is inserted into the insertion seat 304, and the stability of the coil 1 can be further improved.

In an optional embodiment, the supporting seats 3 are welded on the upper surfaces of the limiting sliding blocks 206, and the upper parts of the two sets of limiting sliding blocks 206 are respectively connected with the left guard plate 301 and the right guard plate 303 through the supporting seats 3.

It should be noted that, the support base 3 can increase the contact area between the left guard plate 301 and the right guard plate 303 and the surface of the limit slider 206, so as to improve the structural strength of the left guard plate 301 and the right guard plate 303.

In an alternative embodiment, one end of the upper surface of the limit slide block 206 is provided with a fixing hole 207,

the inner cavity of the fixing hole 207 is in threaded connection with a fixed hand wheel 208.

It should be noted that the bottom of the fixed handwheel 208 is connected with the fixed hole 207 by screw threads, and the limit slider 206 can be limited by rotating the fixed handwheel 208.

In the utility model, the bottom of a connecting seat 2 is connected with the surface of a circuit board through a fixing plate 201, the bottom of a coil 1 is connected with an inserting groove 202 on the surface of the connecting seat 2 through a coil seat 101 in an inserting way, meanwhile, a plurality of groups of connecting jacks 203 are arranged at the bottom of the inner cavity of the inserting groove 202 at equal intervals, a plurality of groups of connecting columns 102 are arranged at the bottom of the coil seat 101 at equal intervals, the coil 1 is electrically connected with the circuit board through the connecting columns 102 and the connecting jacks 203 in an inserting way, the bottoms of a left protective plate 301 and a right protective plate 303 are connected with a limiting slide block 206 through a supporting seat 3, the limiting slide block 206 is connected with a limiting slide groove 205 in a sliding way, after the limiting slide block 206 is moved to one end of the limiting slide groove 205, the bottom of a fixed hand wheel 208 is connected with a fixing hole 207 through threads, the limiting slide block 206 can be limited by rotating the fixed hand wheel 208, so that the left protective plate 301 and the right protective plate 303 are respectively positioned at two sides of the coil 1, and meanwhile, the inserting barrel 302 is connected with the inserting seat 304 in an inserting way, a section of thick bamboo 302 outer wall is the same with 1 inner wall diameter of coil, a section of thick bamboo 302 is pegged graft with bayonet socket 304 and can be made left backplate 301 and right backplate 303 and coil 1 both sides laminating inseparabler, the stability of coil 1 installation will further promotion, protect coil 1 through left backplate 301 and right backplate 303 simultaneously, can avoid coil 1 to take place the swing after receiving external force influence in the use, coil 1's outer wall is the exposed state, under the prerequisite that provides sufficient safeguard effect to coil 1, coil 1 still has stronger radiating effect.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The embedded transformer PCB coil connecting device is characterized by comprising a coil (1), a coil seat (101), connecting columns (102) and a limiting seat (103), wherein the coil seat (101) is arranged at the bottom of the coil (1), a plurality of groups of connecting columns (102) are arranged on the lower surface of the coil seat (101) at equal intervals, the bottom of the coil (1) is connected with a connecting seat (2) through the coil seat (101), an inserting groove (202) is formed in the upper surface of the connecting seat (2), the inserting groove (202) is inserted into the coil seat (101), fixing seats (204) are arranged in the middle of two sides of the connecting seat (2), a limiting sliding groove (205) is formed in the upper surface of the fixing seat (204), a limiting sliding block (206) is connected to the inner cavity of the limiting sliding groove (205) in a sliding mode, a left protection plate (301) is arranged above one group of the limiting sliding blocks (206), and an inserting barrel (302) is arranged on the surface, close to one side of the left protection plate (301) of the coil (1), a right guard plate (303) is arranged above the other group of limiting sliding blocks (206), a plug-in socket (304) is arranged on the surface of one side, close to the coil (1), of the right guard plate (303), and the plug-in socket (304) is mutually plugged with the plug-in barrel (302).

2. The embedded transformer PCB coil connecting device according to claim 1, wherein the coil (1) is provided with limiting seats (103) at two sides of the bottom, and the bottom of the limiting seat (103) is connected with the upper surface of the coil seat (101).

3. The PCB coil connecting device of an embedded transformer as recited in claim 1, wherein a plurality of sets of connection jacks (203) are formed on the bottom surface of the inner cavity of the insertion slot (202) at equal intervals, and the connection jacks (203) are inserted into the connection posts (102).

4. An embedded transformer PCB coil connecting device according to claim 1, characterized in that a fixing plate (201) is fixedly connected to the bottom of the connecting base (2).

5. The embedded transformer PCB coil connecting device as claimed in claim 1, wherein the outer wall of the plug barrel (302) has the same diameter as the inner wall of the coil (1).

6. The PCB coil connecting device of an embedded transformer as claimed in claim 1, wherein the supporting seats (3) are welded on the upper surfaces of the limiting sliding blocks (206), and the upper parts of the two sets of limiting sliding blocks (206) are respectively connected with the left guard plate (301) and the right guard plate (303) through the supporting seats (3).

7. The PCB coil connecting device of an embedded transformer as recited in claim 1, wherein one end of the upper surface of the limiting slide block (206) is provided with a fixing hole (207).

8. The embedded transformer PCB coil connecting device as recited in claim 7, wherein the fixing holes (207) are all threaded with fixing hand wheels (208).