CN221262105U - Filter skeleton - Google Patents

Abstract

The utility model discloses a filter framework, which belongs to the technical field of filters and comprises a framework body, wherein the framework body consists of a mounting tube and mounting blocks fixed at two ends of the mounting tube, a separation sheet is fixedly sleeved on the mounting tube between the two mounting blocks, pins are fixedly arranged on the mounting blocks, and buffer positioning columns are also arranged on the mounting blocks. The utility model has the beneficial effects that the winding coil wound on the mounting tube is restrained through the buffer positioning column on the mounting block, so that the end part of the winding coil forms a non-linear buffer section, the buffer positioning column can be removed from the mounting block after the buffer section is formed, the installation of the filter is not influenced, and the whole structure is simple and reliable.

Description

Filter skeleton

Technical Field

The utility model belongs to the technical field of filters, and particularly relates to a filter framework.

Background

Common mode filters typically employ ferrite cores, wound in split lines. Is widely installed on circuit boards for filtering high-frequency interference signals in circuits.

The current filter can cut off the wire heads of the wires on the winding coil after the winding of the winding coil is completed, the reserved length of the wire connector of the winding coil is generally short, no allowance is left, the current filter is inconvenient to weld with pins, the problem that the virtual welding or the welded connector is unstable easily occurs after welding, and in the welding process, if errors occur, the situation that the welding cannot be performed due to the fact that the length of the wire connector is too short is caused, so that the whole winding coil is scrapped, economic loss is caused, and production efficiency is affected.

Therefore, a filter skeleton is required to be designed to solve the problems.

Disclosure of utility model

The utility model aims to solve the problem of providing a filter framework, which can restrict winding coils wound on a mounting tube through buffer positioning columns on the mounting block, so that the end parts of the winding coils form non-linear buffer sections, and the buffer positioning columns can be removed from the mounting block after the buffer sections are formed.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a wave filter skeleton, includes the skeleton body, the skeleton body is by the installation tube with fix the installation piece at installation tube both ends is constituteed, two fixed cover is equipped with the separation piece on the installation tube between the installation piece, the fixed pin that is provided with on the installation piece still be provided with the buffering reference column on the installation piece.

Preferably, the buffering positioning column and the skeleton body are integrally formed, and the buffering positioning column is provided with a breaking groove.

So set up, the rupture of the buffering reference column of being convenient for is demolishd.

Preferably, the mounting block is provided with a fixing hole, and one end of the buffering positioning column is inserted into the fixing hole.

So set up, can realize the detachable connection of buffering reference column through the fixed orifices.

Preferably, the inner diameter of the fixing hole is smaller than the outer diameter of the buffering positioning column.

So set up, the external diameter of buffering reference column is greater than the internal diameter of fixed orifices, fixes the buffering reference column through interference fit after inserting.

Preferably, the buffer positioning column is connected with the fixing hole in a threaded matching manner.

So set up, utilize the screw thread to mutually support can fix the buffering reference column of inserting the fixed orifices, avoid dropping from the fixed orifices.

Preferably, the mounting block is provided with a supporting protrusion, and the pins and the supporting protrusions are all arranged on the same surface of the mounting block.

So set up, be convenient for install and fix the product.

Preferably, the number of the supporting protrusions is at least two, each group is at least one, and the two groups of the supporting protrusions are respectively arranged on two sides of the separation sheet.

So set up, the supporting bulge of symmetry setting can make the product install more stable when using.

Preferably, the height of the supporting protrusion does not exceed the height of the pin.

This arrangement ensures that the pins can be connected to the circuit board after the filter is mounted to the circuit board.

Preferably, the mounting block is provided with a clamping groove for connecting an external assembly.

So set up, can cooperate the installation with external fittings, it is convenient to use.

Preferably, the mounting block is further provided with a groove, the groove is an arc-shaped groove, and the buffering positioning column is located in the groove.

So set up, the recess is the arc wall, can avoid causing the damage to the buffer zone.

The utility model has the advantages and positive effects that:

According to the utility model, the winding coil wound on the mounting tube is restrained through the buffer positioning column on the mounting block, so that the winding coil end forms a non-linear buffer section, and the buffer positioning column can be removed from the mounting block after the buffer section is formed, so that the mounting of the filter is not influenced, and the whole structure is simple and reliable.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is an isometric view of a filter skeleton according to the present utility model;

FIG. 2 is a schematic diagram of a broken groove of a filter skeleton in a buffer positioning column according to the present utility model;

FIG. 3 is a front view of a filter skeleton according to the present utility model;

FIG. 4 is a schematic view of section I-I of FIG. 3.

The reference numerals are explained as follows:

1. A mounting block; 2. installing a pipe; 3. a separator sheet; 4. a clamping groove; 5. pins; 6. a supporting protrusion; 7. buffering the positioning column; 8. breaking the groove; 9. a fixing hole; 10. a groove.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

Example 1: as shown in fig. 1-4, a filter skeleton comprises a skeleton body, wherein the skeleton body is composed of an installation pipe 2 and installation blocks 1 fixed at two ends of the installation pipe 2, a separation sheet 3 is fixedly sleeved on the installation pipe 2 between the two installation blocks 1, pins 5 are fixedly arranged on the installation blocks 1, installation holes are reserved on the installation blocks 1 during production of the installation blocks 1, the diameters of the installation holes are smaller than those of the pins 5, one ends of the pins 5 are inserted into the installation holes, the pins 5 are installed on the installation blocks 1 by utilizing interference fit formed by the installation holes and the pins 5, and buffer positioning columns 7 are further arranged on the installation blocks 1.

In this embodiment, the buffering reference column 7 is fixed or integrated into one piece fixes on the installation piece 1 through seting up the fixed orifices 9 on the installation piece 1, can set up breaking groove 8 on buffering reference column 7 when buffering reference column 7 integrated into one piece fixes on the installation piece 1, when installing through fixed orifices 9, can fix buffering reference column 7 through interference fit's mode or screw thread fit, avoid dropping from fixed orifices 9, buffering reference column 7 sets up in the recess 10 on the installation piece 1 moreover, because recess 10 is the arc, so can avoid causing the damage to the buffer section.

Specifically, be provided with supporting bulge 6 on the installation piece 1, pin 5 and supporting bulge 6 all set up on the coplanar of installation piece 1, so set up the filter of being convenient for install and fix.

It should be noted that the supporting protrusions 6 are at least two groups, at least one of each group, the two groups of supporting protrusions 6 are respectively arranged on two sides of the separation sheet 3, the symmetrically arranged supporting protrusions 6 can enable the filter to be installed more stably in use, the heights of the supporting protrusions 6 are not more than those of the pins 5, and it is ensured that the pins 5 can be connected with the circuit board after the filter is installed on the circuit board.

The filter skeleton in this embodiment is that two mounting blocks 1 are fixedly arranged at two ends of a mounting pipe 2, clamping grooves 4 connected with external components are formed in the two mounting blocks 1 and are communicated with the mounting pipe 2, the external components can be fixedly mounted through the clamping grooves 4, the external components are two '匚' magnets and a metal buckle, the two magnets are respectively inserted into the mounting pipe 2 from the clamping grooves 3 on the mounting blocks 1, the magnets are fixed through the metal buckle after the two magnets are inserted into the limiting positions, a separation sheet 3 is positioned on the mounting pipe 2 between the two mounting blocks 1, winding coils are respectively wound on the mounting pipes 2 at two sides of the separation sheet 3, supporting protrusions 6 and pins 5 are positioned on the bottom surface of each mounting block 1, if the number of the supporting protrusions 6 is two, the supporting protrusions 6 are positioned in the middle of the mounting block 1, if the number of the supporting protrusions is more, the supporting protrusions are respectively close to one group of opposite edges on the bottom surface of the mounting block 1, if the number of the supporting protrusions 6 is more, the pins 5 are uniformly distributed on the bottom surface of the mounting block 1, the buffer columns are positioned between the two buffer columns 7 and the buffer columns are arranged, and the buffer columns are arranged between the buffer columns and can be fixed; as shown in fig. 3, when the detachable finger type is used, a fixing hole 9 is formed in the mounting block 1, and the inner diameter of the fixing hole 9 is required to be smaller than the outer diameter of the buffering positioning column 7 by 0.1mm, so that the buffering positioning column 7 is in interference fit with the fixing hole 9, and the buffering positioning column 7 is ensured not to fall off after being inserted into the fixing hole 9 in the mounting block 1; or a screw thread matching connection mode is adopted, at the moment, the outer diameter of the buffer positioning column 7 is the same as the inner diameter of the fixed hole 9, then an internal thread is formed on the inner wall of the fixed hole 9, an external thread is arranged on the outer wall of the buffer positioning column 7, and the buffer positioning column 7 is installed in the fixed hole 9 through the matching of the internal thread and the external thread, so that the buffer positioning column 7 can be detached from the installation block 1 after winding of the winding coil is completed, and the buffer positioning column can be reused; if fixed when setting up, buffering reference column 7 and installation piece 1 integrated into one piece, in order to tear buffer reference column 7 off fast after winding coil installs, set up in the junction of buffering reference column 7 and installation piece 1 and break off groove 8, be convenient for break off buffer reference column 7 off with the fingers and thumb from installation piece 1, can avoid influencing the installation of filter.

The buffer positioning column 7 is arranged in the groove 10 on the mounting block 1, and the groove 10 is an arc-shaped groove, so that damage to the buffer section can be avoided.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (12)

1. A filter skeleton, includes skeleton body, its characterized in that: the framework body is provided with a buffering positioning column (7), the buffering positioning column (7) and the framework body are integrally formed, and the buffering positioning column (7) is provided with a breaking groove (8).

2. A filter skeleton according to claim 1, characterized in that: the framework body is provided with a supporting bulge (6), and the pins (5) and the supporting bulge (6) are arranged on the same surface of the framework body.

3. A filter skeleton according to claim 1, characterized in that: a group of opposite faces of the framework body are provided with clamping grooves (4).

4. A filter skeleton according to claim 1, characterized in that: the framework body is further provided with a groove (10), the groove (10) is an arc-shaped groove, and the buffering positioning column (7) is located in the groove (10).

5. A filter skeleton, includes skeleton body, its characterized in that: the novel structure is characterized in that a buffering positioning column (7) is arranged on the framework body, a fixing hole (9) is formed in the framework body, and one end of the buffering positioning column (7) is inserted into the fixing hole (9).

6. A filter skeleton according to claim 5, wherein: the inner diameter of the fixing hole (9) is smaller than the outer diameter of the buffering positioning column (7).

7. A filter skeleton according to claim 5, wherein: the buffer positioning column (7) is connected with the fixing hole (9) in a threaded matching way.

8. A filter skeleton according to claim 5, wherein: the framework body is provided with a supporting bulge (6), and the pins (5) and the supporting bulge (6) are arranged on the same surface of the framework body.

9. A filter skeleton according to claim 8, wherein: the number of the supporting protrusions (6) is at least two, each group is at least two, and the two groups of the supporting protrusions (6) are respectively arranged on two sides of the separation sheet (3) and are opposite in position.

10. A filter skeleton according to claim 8, wherein: the height of the supporting bulge (6) does not exceed the height of the pin (5).

11. A filter skeleton according to claim 5, wherein: a group of opposite faces of the framework body are provided with clamping grooves (4).

12. A filter skeleton according to claim 5, wherein: the framework body is further provided with a groove (10), the groove (10) is an arc-shaped groove, and the buffering positioning column (7) is located in the groove (10).