阅读说明：本技术 一种小尺寸要求下的大型接头应用滤波器 (Large-scale joint application filter under small-size requirement ) 是由 史作毅 梁文超 汪亭 于 2021-10-29 设计创作，主要内容包括：本发明公开了一种小尺寸要求下的大型接头应用滤波器,属于通讯滤波器多工器领域,包括腔体,所述腔体顶部连接有盖板,所述盖板上螺纹连接有调谐螺钉,所述调谐螺钉的外壁连接有固定螺母,所述固定螺母与盖板的顶部外壁相抵,所述腔体和所述盖板均设有相配合的盖板螺孔,所述盖板螺孔内连接有盖板固定螺钉,每个所述端盖固定螺钉均与盖板的顶部外壁相抵,所述腔体左右两侧设有输入槽,两个所述输入槽内各安装一个输入接头,所述输入接头头部螺纹连接有输入接头外接匹配壳体,本发明能既可以满足客户对于外形的设计和要求,又能达到正常工作的效率。(The invention discloses a large connector application filter under a small-size requirement, which belongs to the field of communication filter multiplexers and comprises a cavity, wherein the top of the cavity is connected with a cover plate, the cover plate is in threaded connection with tuning screws, the outer wall of each tuning screw is connected with a fixing nut, the fixing nuts are abutted against the outer wall of the top of the cover plate, the cavity and the cover plate are respectively provided with a cover plate screw hole which is matched with each other, the cover plate screw holes are internally connected with cover plate fixing screws, each end cover fixing screw is abutted against the outer wall of the top of the cover plate, the left side and the right side of the cavity are provided with input grooves, an input connector is respectively arranged in each of the two input grooves, and the head of each input connector is in threaded connection with an input connector external matching shell.)

1. The utility model provides a large-scale joint application filter under small-size requirement, includes cavity (2), its characterized in that, cavity (2) top is connected with apron (1), threaded connection has tuning screw (4) on apron (1), the bottom inner wall of cavity (2) is equipped with frequency point resonance post (11) and base (12), input joint (6) and output joint (9) are installed respectively to the cavity (2) left and right sides, input joint (6) head threaded connection has the external casing (7) that matches of input joint, output joint (9) head threaded connection has the external casing (10) that matches of output joint.

2. The filter for large joint application under small size requirement according to claim 1, wherein the number of the tuning screws (4) is five, and the outer wall of the tuning screws (4) is connected with a fixing nut which is abutted with the outer wall of the top of the cover plate (1).

3. The filter for large-scale joint application under the requirement of small size according to claim 1, wherein the cavity (2) and the cover plate (1) are provided with matched cover plate screw holes (301), cover plate fixing screws (3) are connected in the cover plate screw holes (301), the number of the cover plate fixing screws (3) is 10-20, and each cover plate fixing screw (3) abuts against the outer wall of the top of the cover plate (1).

4. The filter for large-scale joint application under small size requirement according to claim 1, wherein the frequency point resonance columns (11) are two in total, grooves are formed in the frequency point resonance columns (11), and the tuning screws (4) extend into the grooves of the frequency point resonance columns (11).

5. A low profile, high profile sub-application filter according to claim 1, wherein there are three of said mounts (12), said mounts (12) being located directly below said tuning screws (4).

6. The filter for large scale joints with small size requirement according to claim 1, it is characterized in that the input joint (6) comprises an input joint inner core (601), an input joint fixing plate (602) and an input joint fixing column (603), the side walls of the input joint fixing plate (602) and the cavity (2) are provided with input notches matched with the input joint fixing columns (603), the input joint fixing column (603) is fixedly connected in the input notch, one end of the input joint inner core (601) penetrates through the input joint fixing column (603) and extends into the cavity (2), the other end of the input joint inner core (601) is positioned at the central position of the input joint external connection matching shell (7), the head of the input joint fixing plate (602) and the interior of the external matching shell (7) of the input joint are provided with matched threads.

7. The filter for large connector application under small size requirement according to claim 6, wherein the input connector fixing plate (602) and the cavity (2) are provided with matched input connector screw holes, input connector fixing screws (5) are connected in the input connector screw holes, the number of the input connector fixing screws (5) is four, and each input connector fixing screw (5) abuts against the outer wall of the input connector fixing plate (602).

8. The filter for large scale joints with small size requirement according to claim 1, it is characterized in that the output joint (9) comprises an output joint inner core (901), an output joint fixing plate (902) and an output joint fixing column (903), the side walls of the output joint fixing plate (902) and the cavity (2) are respectively provided with an output notch matched with the output joint fixing column (903), the output joint fixing column (903) is fixedly connected in the output notch, one end of the output joint inner core (901) penetrates through the output joint fixing column (903) to extend into the cavity (2), the other end of the output joint inner core (901) is positioned at the central position of the output joint external matching shell (10), the head of the output connector fixing plate (902) and the interior of the external matching shell (10) of the output connector are provided with matched threads.

9. The filter for large connectors with small size requirement according to claim 8, wherein the output connector fixing plate (902) and the cavity (2) are provided with output connector screw holes which are matched with each other, output connector fixing screws (8) are connected in the output connector screw holes, the number of the output connector fixing screws (8) is four, and each output connector fixing screw (8) abuts against the outer wall of the output connector fixing plate (902).

10. The filter for large scale applications requiring small size according to claim 6 or claim 8, wherein the input terminal holding plate (602) and the output terminal holding plate (902) are each 12.7mm in size²。

Technical Field

The invention belongs to the field of communication filter multiplexers, and particularly relates to a large-scale joint application filter with a small size requirement.

Background

Currently, in the field of wireless communication, due to different designs of base stations, operators have different definitions for external connectors of products with the same frequency band, and therefore, in the design, research, development and manufacturing processes, the designated connector model needs to be determined according to different requirements of customers.

Because the filter belongs to the finished product, each product index and appearance are basically shaped before design, and part of customers can require to use the connector with the size larger than that of the cavity under the determined appearance and height, the size is easy to be inconsistent, the installation cannot be carried out, and the customer requirements cannot be met.

Disclosure of Invention

Aiming at the problems that the size of a connector is not consistent due to the fact that the size is limited and the connector cannot be installed due to the fact that the size of the connector is not consistent in order to meet the requirement of customer appearance customization, the invention provides a large connector application filter under the small size requirement.

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

the utility model provides a large-scale joint under small-size requirement uses wave filter, includes the cavity, the cavity top is connected with the apron, threaded connection has tuning screw on the apron, the bottom inner wall of cavity is equipped with frequency point resonance post and base, input joint and output joint are installed respectively to the cavity left and right sides, input joint head threaded connection has the external casing that matches of input joint, output joint head threaded connection has the external casing that matches of output joint.

In order to fix the tuning screws on the cover plate, preferably, the number of the tuning screws is five, and the outer wall of the tuning screws is connected with a fixing nut which is abutted against the top outer wall of the cover plate.

In order to fix the cover plate on the cavity, preferably, the cavity and the cover plate are provided with cover plate screw holes which are matched with each other, cover plate fixing screws are connected in the cover plate screw holes, the number of the cover plate fixing screws is 10-20, and each cover plate fixing screw abuts against the outer wall of the top of the cover plate.

In order to make the tuning screws penetrate into the frequency point resonance columns, preferably, the number of the frequency point resonance columns is two, grooves are formed in the frequency point resonance columns, and the tuning screws penetrate into the grooves of the frequency point resonance columns.

Preferably, there are three of the seats, and the seats are located directly below the tuning screws.

In order to meet the requirements of customers, an input connector is detached, preferably, the input connector comprises an input connector inner core, an input connector fixing plate and an input connector fixing column, the input connector fixing plate and the side wall of the cavity are provided with input notches matched with the input connector fixing column, the input connector fixing column is fixedly connected in the input notches, one end of the input connector inner core penetrates through the input connector fixing column and extends into the cavity, the other end of the input connector inner core is located at the center of an input connector external matching shell, and matching threads are arranged on the head of the input connector fixing plate and the inside of the input connector external matching shell.

In order to fix the input connector on the cavity, preferably, the input connector fixing plate and the cavity are provided with input connector screw holes which are matched with each other, the input connector screw holes are internally connected with four input connector fixing screws, and each input connector fixing screw abuts against the outer wall of the input connector fixing plate.

In order to meet the requirements of customers, an output joint is detached, preferably, the output joint comprises an output joint inner core, an output joint fixing plate and an output joint fixing column, output notches matched with the output joint fixing column are formed in the output joint fixing plate and the side wall of the cavity, the output joint fixing column is fixedly connected in the output notches, one end of the output joint inner core penetrates through the output joint fixing column and extends into the cavity, the other end of the output joint inner core is located at the center of an output joint external matching shell, and matching threads are formed in the head of the output joint fixing plate and the interior of the output joint external matching shell.

In order to fix the output connector on the cavity, preferably, the output connector fixing plate and the cavity are provided with output connector screw holes matched with each other, the output connector screw holes are internally connected with four output connector fixing screws, and each output connector fixing screw abuts against the outer wall of the output connector fixing plate.

For the purpose of limiting the size of the joint, fullAccording to industrial requirements, the sizes of the input connector fixing plate and the output connector fixing plate are both 12.7mm²。

Compared with the prior art, the invention provides a large-scale joint application filter with a small size requirement, and the invention has the following beneficial effects:

the device has the same or can be realized by the prior art, the invention firstly uses a cover plate fixing screw to fix the cover plate on the upper end of the cavity body on the cavity body, a base and a frequency point resonance column are arranged in the cavity body, a tuning screw is fixed on the cover plate by using a fixing nut, an input connector and an output connector are respectively arranged on the left side and the right side of the cavity body, wherein the input connector and the output connector both change an inner core and an outer shell, the inner core of the SMA type connector is changed into the N type connector by splitting the SMA type connector and the N type connector, the inner core part extends into the cavity body of the filter, the head part of the SMA type connector is in threaded connection with the connector outer shell of the N type connector, thereby not only meeting the design and requirements of customers on the appearance, but also meeting the requirements of the customers by threaded connection with the connector outer shell meeting the work requirements when the connector is installed, but also can achieve the efficiency of normal work.

Drawings

FIG. 1 is a schematic diagram of the upper structure of a filter for large-scale joint application under a small size requirement according to the present invention;

FIG. 2 is a schematic diagram of the front structure of a filter for a large-scale connector with a small size requirement according to the present invention;

FIG. 3 is a schematic diagram of a rear structure of a filter applied to a large-scale joint under a small size requirement according to the present invention;

FIG. 4 is a schematic diagram of the right side structure of a filter for a large joint according to the present invention with a small size requirement;

FIG. 5 is a schematic diagram of the left side structure of a filter for a large joint according to the present invention with a small size requirement;

FIG. 6 is a schematic view of a structure of a hidden cover plate on a filter for a large-scale connector application according to the present invention, which is required to have a small size;

fig. 7 is a schematic diagram of a split structure of an input connector and an output connector of a large connector application filter under a small size requirement according to the present invention;

FIG. 8 is a schematic view of the whole structure of a large joint application filter without joints according to the small size requirement of the present invention;

FIG. 9 is a schematic diagram of the whole structure of a large-scale connector application filter with connectors according to the present invention;

fig. 10 is a schematic diagram of a portion a of fig. 2 of a filter for applying large connectors according to a small size requirement of the present invention;

fig. 11 is a schematic structural diagram of a part B in fig. 2 of a filter for applying a large connector according to the present invention, which is required to have a small size.

In the figure: 1. a cover plate; 2. a cavity; 3. a cover plate fixing screw; 301. a cover plate screw hole; 4. a tuning screw; 5. an input joint fixing screw; 6. an input connector; 601. an input joint inner core; 602. an input joint fixing plate; 603. an input joint fixing column; 7. the input joint is externally connected with a matching shell; 8. an output connector fixing screw; 9. an output connector; 901. an output joint inner core; 902. an output joint fixing plate; 903. an output joint fixing column; 10. the output connector is externally connected with a matching shell; 11. a frequency point resonance column; 12. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-11, the filter for the large connector under the small size requirement comprises a cavity 2, wherein the top of the cavity 2 is connected with a cover plate 1, the cover plate 1 is in threaded connection with a tuning screw 4, the inner wall of the bottom of the cavity 2 is provided with a frequency point resonance column 11 and a base 12, the left side and the right side of the cavity 2 are respectively provided with an input connector 6 and an output connector 9, the head of the input connector 6 is in threaded connection with an input connector external matching shell 7, and the head of the output connector 9 is in threaded connection with an output connector external matching shell 10.

As shown in fig. 1 and 8, in order to fix the tuning screws 4 to the cover plate 1, there are five tuning screws 4, and a fixing nut is connected to an outer wall of the tuning screws 4 and abuts against an outer wall of a top portion of the cover plate 1.

As shown in fig. 6 and 8, in order to fix the cover plate 1 on the cavity 2, the cavity 2 and the cover plate 1 are both provided with cover plate screw holes 301 which are matched with each other, cover plate fixing screws 3 are connected in the cover plate screw holes 301, the number of the cover plate fixing screws 3 is 10-20, and each cover plate fixing screw 3 abuts against the outer wall of the top of the cover plate 1.

As shown in fig. 2 and 6, in order to make the tuning screw 4 penetrate into the frequency point resonance column 11, there are two frequency point resonance columns 11, a groove is formed in the frequency point resonance column 11, and the tuning screw 4 extends into the groove of the frequency point resonance column 11.

As shown in fig. 2 and 6, the number of the bases 12 is three, and the bases 12 are located right below the tuning screws 4.

As shown in fig. 7 and 10, in order to meet the requirements of customers, the input connector 6 is partially disassembled, the input connector 6 includes an input connector inner core 601, an input connector fixing plate 602 and input connector fixing columns 603, the side walls of the input connector fixing plate 602 and the cavity 2 are both provided with input notches matched with the input connector fixing columns 603, the input connector fixing columns 603 are fixedly connected in the input notches, one end of the input connector inner core 601 penetrates through the input connector fixing columns 603 to extend into the cavity 2, the other end of the input connector inner core 601 is located at the center of the input connector external matching shell 7, and matching threads are arranged inside the head of the input connector fixing plate 602 and the input connector external matching shell 7.

As shown in fig. 7 and 10, in order to fix the input terminal 6 on the cavity 2, the input terminal fixing plate 602 and the cavity 2 are provided with input terminal screw holes which are matched with each other, the input terminal fixing screws 5 are connected in the input terminal screw holes, the number of the input terminal fixing screws 5 is four, and each input terminal fixing screw 5 abuts against the outer wall of the input terminal fixing plate 602.

As shown in fig. 7 and 11, in order to meet the requirements of customers, the output joint 9 is partially disassembled, the output joint 9 includes an output joint inner core 901, an output joint fixing plate 902 and an output joint fixing column 903, the side walls of the output joint fixing plate 902 and the cavity 2 are both provided with output notches matched with the output joint fixing column 903, the output joint fixing column 903 is fixedly connected in the output notches, one end of the output joint inner core 901 penetrates through the output joint fixing column 903 and extends into the cavity 2, the other end of the output joint inner core 901 is located at the center of the external output joint matching shell 10, and the head of the output joint fixing plate 902 and the internal output joint matching shell 10 are provided with matched threads.

As shown in fig. 7 and 11, in order to fix the output connector 9 on the cavity 2, the output connector fixing plate 902 and the cavity 2 are both provided with output connector screw holes which are matched with each other, the output connector fixing screws 8 are connected in the output connector screw holes, the number of the output connector fixing screws 8 is four, and each output connector fixing screw 8 abuts against the outer wall of the output connector fixing plate 902.

As shown in fig. 7, in order to limit the size of the connector and meet the industrialization requirement, the size of the input connector fixing plate 602 and the output connector fixing plate 902 are both 12.7mm²。

The invention is applied to the field of communication filter multiplexers, a cover plate fixing screw 3 is firstly used on a cavity 2 to fix a cover plate 1 at the upper end of the cavity 2, a base 12 and a frequency point resonance column 11 are arranged in the cavity 2, a fixing nut is used on the cover plate 1 to fix a tuning screw 4, an input connector 6 and an output connector 9 are respectively arranged at the left side and the right side of the cavity 2, wherein the inner core and the outer shell of the input connector 6 and the output connector 9 are changed, the inner core of the SMA type connector is changed into the N type connector by splitting the SMA type connector and the N type connector, the inner core part is extended into the cavity of a filter, the head part of the SMA type connector is in threaded connection with the connector outer shell of the N type connector, thereby not only meeting the design and requirements of customers for appearance, but also meeting the requirements of customers by threaded connection with the connector outer shell meeting the work requirements when the connector is installed, but also can achieve the efficiency of normal work.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.