Fixing mechanism for magnetic core of electronic transformer framework

Abstract

The utility model discloses an electronic transformer framework magnetic core fixing mechanism which comprises a framework body magnetic core, a winding frame is arranged in the middle of the framework body, the magnetic core is of an E-shaped structure, the two magnetic cores are inserted in the framework body and the winding frame in a butt joint mode, the fixing mechanism further comprises a fixing assembly, and the periphery of the magnetic core is wrapped with the fixing assembly. According to the magnetic core fixing mechanism of the electronic transformer framework, the magnetic cores are installed on the framework body and the winding frame, the fixing assembly is unfolded to wrap the two magnetic cores, the magnetic cores are clamped into the clamping rails of the fixing assembly, and then the magnetic cores are fixed; meanwhile, the two magnetic cores are further wrapped and fixed through the binding effect of the elastic band ring and the negative pressure adsorption effect generated by resetting after the inner groove is extruded; the mechanism can effectively improve the mounting and fixing efficiency of the magnetic core, so that the production efficiency of the transformer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic transformer technical field, concretely is a kind of electronic transformer framework magnetic core fixing mechanism. BACKGROUND

[0002] Electronic transformer, with the alternating voltage of commercial power is converted into direct current and then through semiconductor switching device and electronic element and high-frequency transformer winding constitute a kind of high-frequency ac voltage output electronic device, also in the electronic theory is described a kind of AC-DC inverter circuit. Simply speaking, it is mainly composed of high-frequency transformer magnetic core (core) and two or more than two coils, they do not change position, from one or more than two electric circuits, through electromagnetic induction, into ac voltage and current. And in the output end of high-frequency transformer, one or more than two power circuits are supplied with different voltage levels of high-frequency ac or dc.

[0003] The existing electronic transformer framework installs magnetic core, needs to use corresponding fixed hoop, needs to be fixed in production and opened, is set in the outside of magnetic core, then magnetic core is fixed at framework, then fixed hoop and magnetic core are fixed by using point glue etc., since the volume of electronic transformer is small, the installation and fixation of framework and magnetic core are more troublesome, it is inconvenient to install and fix magnetic core, leading to low production efficiency of transformer. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides an electronic transformer framework magnetic core fixing mechanism convenient for fixing magnetic core.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An electronic transformer framework magnetic core fixing mechanism, including framework body magnetic core, the middle part of framework body is provided with bobbin, magnetic core is "E" shape structure, two magnetic cores are inserted in framework body and bobbin, and further include fixing assembly, the fixing assembly is wrapped in the lateral side of magnetic core;

[0007] The fixing assembly includes elastic band and clamping module, the clamping module is adapted to magnetic core and magnetic core is clamped into the clamping module, and the clamping module includes first card rail, second card rail, third card rail and fourth card rail, the elastic band is fixedly installed at the inner side of first card rail, second card rail, third card rail and fourth card rail, and first card rail, second card rail, third card rail and fourth card rail form a rectangular structure around, the second card rail and fourth card rail are clamped to the two end interface ends of two magnetic cores respectively, the middle part of second card rail and fourth card rail is provided with buckle, and the buckle is clamped and fixed with the interface end of two magnetic cores.

[0008] Further, the elastic band is made of rubber material.

[0009] Further, the inner side of the elastic band is uniformly provided with a plurality of inner grooves, which are adsorbed on the surface of the magnetic core.

[0010] Further, the inner grooves are in a circular arc structure.

[0011] Further, the buckle is buckled on the inner side of the magnetic core.

[0012] Compared with the prior art, the electronic transformer skeleton magnetic core fixing mechanism has the following beneficial effects:

[0013] The electronic transformer skeleton magnetic core fixing mechanism of the present application has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a perspective view of the present application;

[0015] Fig. 2 is a perspective view of the fixing assembly of the present application;

[0016] Fig. 3 is a structural view of the fixing assembly of the present application;

[0017] Fig. 4 is a partial structural view of the elastic band of the present application.

[0018] In the figure: 1. skeleton body, 2. winding frame, 3. elastic band, 4. inner groove, 5. first clamping rail, 6. second clamping rail, 7. third clamping rail, 8. fourth clamping rail, 9. buckle. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figs. 1 to 4 The present application provides the following technical solutions:

[0021] The utility model provides an electronic transformer framework magnetic core fixing mechanism, including framework body 1 magnetic core, the middle part of framework body 1 is provided with bobbin 2, and the magnetic core is in " E " shape structure, two magnetic cores are inserted at the place of framework body 1 and bobbin 2, and the utility model further includes fixing assembly, the fixing assembly is wrapped in the lateral side of magnetic core, and the fixing assembly can wrap and fix the post of two magnetic cores, so that the magnetic core is stably installed at the place of framework body 1 and bobbin 2,

[0022] Fixing assembly includes elastic band 3 and clamping module, and elastic band 3 is installed in clamping module, and clamping module is adapted to magnetic core and is clamped into clamping module, and clamping module includes first clamping rail 5, second clamping rail 6, third clamping rail 7 and fourth clamping rail 8, and the elastic band 3 is fixedly installed at the inner side of first clamping rail 5, second clamping rail 6, third clamping rail 7 and fourth clamping rail 8, so that first clamping rail 5, second clamping rail 6, third clamping rail 7 and fourth clamping rail 8 can form a rectangular structure around, and the shape of two magnetic cores installed at the place of framework body 1 is adapted, and each clamping rail is clamped and fixed at the frame of two magnetic cores, and second clamping rail 6 and fourth clamping rail 8 are clamped to the two end interface ends of two magnetic cores respectively, and buckle 9 is arranged at the middle part of second clamping rail 6 and fourth clamping rail 8, and the buckle 9 is clamped to the inner side of two magnetic core connection ends, so that the buckle 9 is clamped and fixed with the interface end of two magnetic cores, and the connection position of two magnetic cores is relatively fixed through the cooperation of buckle 9 and first clamping rail 5, fourth clamping rail 8.

[0023] Elastic band 3 is made of rubber material and has good elasticity and sealing property.

[0024] The inner side of elastic band 3 is uniformly provided with a plurality of inner grooves 4, and the inner grooves 4 are adsorbed on the surface of the magnetic core, and the inner grooves 4 can be deformed when the elastic band 3 is pressed, and a certain negative pressure can be generated in the inner grooves 4 during the resetting process of the inner grooves 4, so that the elastic band 3 can be adsorbed on the surface of the magnetic core through the inner grooves 4.

[0025] The inner grooves 4 are in circular arc shape and can better adsorb the magnetic core.

[0026] The specific implementation process is as follows:

[0027] When the electronic transformer skeleton magnetic core fixing mechanism is used, first, the two E-shaped magnetic cores are installed at the skeleton body 1 and the bobbin 2, then the user fixes the two magnetic cores at the skeleton body 1 through the fixing assembly, under the action of the elastic band 3, the user can easily pull and stretch the fixing assembly, then the fixing assembly is sleeved outside the two magnetic cores, so that the first clamping rail 5, the second clamping rail 6, the third clamping rail 7 and the fourth clamping rail 8 are clamped into the two magnetic cores respectively, so that the buckles 9 at the second clamping rail 6 and the fourth clamping rail 8 are buckled at the connection positions of the two magnetic cores, and the magnetic cores are fixed; during the elastic deformation and reset of the elastic band 3, the inner recess 4 inside the elastic band 3 forms negative pressure, so that the elastic band 3 is adsorbed at the magnetic cores; under the binding action, adsorption action and clamping action of the clamping rails of the elastic band 3, the first magnetic core and the second magnetic core can be fixed firmly and conveniently at the skeleton body 1.

[0028] The electronic transformer skeleton magnetic core fixing mechanism installs the magnetic cores at the skeleton body 1 and the bobbin 2, wraps the two magnetic cores by stretching the fixing assembly, clamps the magnetic cores into the clamping rails of the fixing assembly, and further fixes the magnetic cores, and further wraps and fixes the two magnetic cores through the binding action of the elastic band 3 and the negative pressure adsorption action caused by the reset of the inner recess 4 after being extruded; the mechanism can effectively improve the installation and fixing efficiency of the magnetic cores, and further improve the production efficiency of the transformer.

[0029] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail, and the ordinary technical personnel in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply conventional experimental means before the date, and the ordinary technical personnel in the art can improve and implement the scheme under the inspiration of the present application, and some typical known structures or known methods should not be an obstacle for the ordinary technical personnel to implement the present application. It should be pointed out that, for the technical personnel in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should be regarded as the protection scope of the present application, and these will not affect the effect and applicability of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A core fixing mechanism for an electronic transformer bobbin, comprising a bobbin body core, a winding frame disposed in the middle of the bobbin body, the core having an "E" shaped structure, and two cores interlocking at the bobbin body and the winding frame, characterized in that: It also includes a fixing component, which is wrapped around the periphery of the magnetic core; The fixing component includes an elastic band and a locking module. The locking module is adapted to the magnetic core and the magnetic core is locked into the locking module. The locking module includes a first locking rail, a second locking rail, a third locking rail, and a fourth locking rail. The elastic band is fixedly installed on the inner side of the first locking rail, the second locking rail, the third locking rail, and the fourth locking rail. The first locking rail, the second locking rail, the third locking rail, and the fourth locking rail form a rectangular structure. The second locking rail and the fourth locking rail are respectively locked to the two end interfaces of the two magnetic cores. A buckle is provided in the middle of the second locking rail and the fourth locking rail, and the buckle is locked and fixed to the interface ends of the two magnetic cores.

2. The electronic transformer frame core fixing mechanism according to claim 1, characterized in that: The elastic band is made of rubber material.

3. The electronic transformer frame core fixing mechanism according to claim 1, characterized in that: The inner side of the elastic band is uniformly provided with several inner grooves, which are adsorbed onto the surface of the magnetic core.

4. The electronic transformer frame core fixing mechanism according to claim 3, characterized in that: The inner groove has an arc-shaped structure.

5. The electronic transformer frame core fixing mechanism according to claim 1, characterized in that: The buckle is fastened to the inside of the magnetic core.

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