LTCC-based filter

Abstract

The utility model relates to the technical field of filters, in particular to an LTCC (Low Temperature Co-Fired Ceramic)-based filter, which comprises a filter main body, a plurality of groups of connecting line sockets are arranged on the front surface of the filter main body and positioned at corners, and an upper fixing seat and a lower fixing seat are respectively arranged on the front surface of the filter main body and positioned at the upper part and the lower part of the connecting line sockets. Clamping bent plates are arranged at the positions, close to the front ends, of the inner sides of the upper fixing base and the lower fixing base correspondingly, and the two sets of clamping bent plates are connected with the upper fixing base and the lower fixing base through extrusion spring sets correspondingly. And the possibility of loosening caused by external vibration force or as time goes on after connection is avoided, and the connection stability is ensured, so that the use of the filter is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a filter based on LTCC. Background Art

[0002] At present, a filter is a frequency-selective device that effectively filters out a specific frequency point in a power line or frequencies other than that frequency point. The environment in which the filter is located and the degree of connection between the filter and other devices will affect the filtering effect of the filter.

[0003] The connecting wire of the existing filter is directly connected to the socket part, but after the connection, if it is subjected to external vibration or becomes loose over time, the connection may become unstable, thus affecting the use of the filter.

[0004] Therefore, it is particularly important to design a filter based on LTCC to change the above technical defects and improve the overall practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a filter based on LTCC to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A filter based on LTCC comprises a filter body, wherein a plurality of groups of connecting wire sockets are arranged on the front side and at the corners of the filter body, an upper fixing seat and a lower fixing seat are arranged on the front side and at the upper and lower parts of the connecting wire sockets, respectively, a clamping bent plate is arranged on the inner side of the upper fixing seat and the lower fixing seat and at a position close to the front end, two groups of the clamping bent plates are respectively connected to the upper fixing seat and the lower fixing seat through a compression spring group, and magnetic magnets are arranged on the left and right sides of the top of the lower fixing seat.

[0008] As a preferred solution of the present invention, the connecting wire socket is designed as an outwardly protruding structure.

[0009] As a preferred solution of the utility model, rectangular grooves are provided on the front side of the filter body and on the upper and lower sides of the connecting wire socket, and the upper fixing seat and the lower fixing seat are slidably connected and cooperated with the rectangular grooves through a sliding shaft.

[0010] As a preferred solution of the utility model, the upper fixing seat and the lower fixing seat are both designed as semi-curved structures with the openings facing inwards.

[0011] As a preferred solution of the utility model, a silicone patch is attached to the inner side of the clamping bent plate.

[0012] As a preferred solution of the utility model, magnetic strips that magnetically cooperate with the magnetic magnet are provided on both the left and right sides of the bottom of the upper fixing seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, a filter based on LTCC is provided. After the insertion end of the connecting wire is inserted into the connecting wire socket, the upper fixing seat and the lower fixing seat are driven to move together in the same direction by the thumb and the index finger under the sliding cooperation of the rectangular groove and the sliding shaft, and then the upper fixing seat and the lower fixing seat are closed and fixed under the magnetic attraction of the magnetic attraction strip and the iron absorption sheet. At this time, the clamping bent plates of the upper and lower parts clamp and fix the insertion end of the connecting wire under the action of the extrusion spring group, so as to avoid the possibility of loosening after the connection if it is subjected to external vibration force or as time goes by, thereby ensuring the stability of the connection and not affecting the use of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 It is a three-dimensional schematic diagram of the entire utility model;

[0017] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0018] In the figure: 1, filter body; 2, connecting wire socket; 3, upper fixing seat; 301, lower fixing seat; 302, clamping bent plate; 303, extrusion spring group; 304, magnetic plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0024] A filter based on LTCC, comprising a filter body 1, a plurality of groups of connecting wire sockets 2 are arranged on the front and at the corners of the filter body 1, and an upper fixing seat 3 and a lower fixing seat 301 are arranged on the front and at the upper and lower parts of the connecting wire sockets 2;

[0025] The connecting wire socket 2 is designed as an outward protruding structure, and rectangular grooves are provided on the front of the filter body 1 and on the upper and lower sides of the connecting wire socket 2. The upper fixing seat 3 and the lower fixing seat 301 are slidably connected and cooperated between the sliding shaft and the rectangular groove, so that the upper fixing seat 3 and the lower fixing seat 301 can move slightly up and down.

[0026] In this embodiment, please refer to Figure 3 A clamping bent plate 302 is provided on the inner side of the upper fixing seat 3 and the lower fixing seat 301 and near the front end. The two groups of clamping bent plates 302 are respectively connected to the upper fixing seat 3 and the lower fixing seat 301 through a squeezing spring group 303. Magnetic plates 304 are provided on the left and right sides of the top of the lower fixing seat 301. Under the action of the squeezing spring group 303, the clamping bent plates 302 of the upper and lower parts clamp and fix the insertion end of the connecting line.

[0027] The upper fixing seat 3 and the lower fixing seat 301 are both designed with a semi-curved structure with the opening facing inward, and a silicone patch is attached to the inner side of the clamping bent plate 302 to make the clamping more stable and increase the wear resistance. The left and right sides of the bottom of the upper fixing seat 3 are provided with magnetic strips that cooperate with the magnetic magnet 304, so that the upper fixing seat 3 and the lower fixing seat 301 can be closed and will not loosen.

[0028] The working process of the utility model is as follows: when in use, after the insertion end of the connecting line is inserted into the connecting line socket 2, the upper fixing seat 3 and the lower fixing seat 301 are driven to move together in the same direction by the thumb and index finger under the sliding cooperation of the rectangular groove and the sliding shaft, and then the upper fixing seat 3 and the lower fixing seat 301 are closed and fixed under the magnetic attraction of the magnetic strip and the magnetic absorption sheet 304. At this time, under the action of the extrusion spring group 303, the clamping bent plates 302 of the upper and lower parts clamp and fix the insertion end of the connecting line, avoiding the possibility of loosening after connection if subjected to external vibration force or with the passage of time, thereby ensuring the stability of the connection and not affecting the use of the filter.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filter based on LTCC, comprising a filter body (1), characterized in that: A plurality of groups of connection line sockets (2) are arranged on the front side of the filter body (1) and at the corners; an upper fixing seat (3) and a lower fixing seat (301) are arranged on the front side of the filter body (1) and at the upper and lower parts of the connection line sockets (2), respectively; a clamping bent plate (302) is arranged on the inner side of the upper fixing seat (3) and the lower fixing seat (301) and at a position close to the front end; the two groups of the clamping bent plates (302) are respectively connected to the upper fixing seat (3) and the lower fixing seat (301) via a compression spring group (303); and an iron magnet (304) is arranged on the left and right sides of the top of the lower fixing seat (301).

2. The LTCC-based filter according to claim 1, characterized in that: The connecting wire socket (2) is designed as an outwardly protruding structure.

3. The LTCC-based filter according to claim 1, characterized in that: Rectangular grooves are provided on the front side of the filter body (1) and on the upper and lower sides of the connecting line socket (2), and the upper fixing seat (3) and the lower fixing seat (301) are slidably connected and matched with the rectangular grooves via a sliding shaft.

4. The LTCC-based filter according to claim 1, characterized in that: The upper fixing seat (3) and the lower fixing seat (301) are both designed as semi-curved structures with their openings facing inwards.

5. The LTCC-based filter according to claim 1, characterized in that: A silicone patch is attached to the inner side of the clamping bent plate (302).

6. The LTCC-based filter according to claim 1, characterized in that: Magnetic strips that magnetically cooperate with the magnetic absorption sheet (304) are provided on both left and right sides of the bottom of the upper fixing seat (3).

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