CN219106477U

CN219106477U - Cavity filter for microwave communication system

Info

Publication number: CN219106477U
Application number: CN202222529758.7U
Authority: CN
Inventors: 吴淮宁; 卞晗; 章霞
Original assignee: Nanjing Xinier Communication Technology Co ltd
Current assignee: Nanjing Xinier Communication Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-05-30
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a cavity filter for a microwave communication system, which comprises a main body assembly, wherein the main body assembly comprises a fixed plate, a shell and a protection piece, the shell is positioned at the top of the fixed plate, the protection piece is arranged on the shell, an adjusting assembly is arranged on the fixed plate and comprises a limiting piece and a movable piece, the limiting piece is fixed on the shell, and the movable piece is positioned in the limiting piece. The utility model has the beneficial effects that: the main body component is used for protecting equipment, and the adjusting component is used for installing the equipment, so that the equipment is convenient to disassemble and assemble.

Description

Cavity filter for microwave communication system

Technical Field

The utility model relates to the technical field of filters, in particular to a cavity filter for a microwave communication system.

Background

The filter is a filter circuit composed of a capacitor, an inductor and a resistor, the filter can effectively filter the frequency point of a specific frequency in a power line or the frequency outside the frequency point to obtain a power signal of the specific frequency, or eliminate the power signal after the specific frequency, and the microwave communication system uses microwaves to communicate, has large capacity and good quality and can be transmitted to a long distance, so that the filter is an important communication means of the communication network, is also commonly suitable for various special communication networks, the cavity filter is a key element used in the microwave communication system, most of the traditional filters are generally fixed through welding or bolts during assembly, and when the filter needs to be overhauled, the disassembly is complicated, and the filter is very inconvenient to use.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-mentioned and/or problems occurring in the cavity filters for the conventional microwave communication systems.

Therefore, the utility model aims to solve the problems that most of traditional filters are generally fixed by welding or bolts during assembly, and the disassembly is complicated and the use is inconvenient when the filters need to be overhauled.

In order to solve the technical problems, the utility model provides the following technical scheme: the cavity filter for the microwave communication system comprises a main body assembly, a filter body and a filter body, wherein the main body assembly comprises a fixed plate, a shell and a protective piece, the shell is positioned at the top of the fixed plate, and the protective piece is arranged on the shell; and

the adjusting component is arranged on the fixed plate and comprises a limiting piece and a moving piece, wherein the limiting piece is fixed on the shell, and the moving piece is positioned in the limiting piece.

As a preferable embodiment of the cavity filter for a microwave communication system according to the present utility model, the cavity filter comprises: the protection piece comprises a protection cover, a connecting block, a support plate and a support rod, wherein the protection cover is arranged on the outer side of the shell, the connecting block is fixed on two sides of the protection cover, the support plate is fixed on two sides of the shell, and the support rod is fixed between the two support plates.

As a preferable embodiment of the cavity filter for a microwave communication system according to the present utility model, the cavity filter comprises: the guard also includes a buffer spring disposed outside the support bar.

As a preferable embodiment of the cavity filter for a microwave communication system according to the present utility model, the cavity filter comprises: the limiting piece comprises a fixing seat, a movable rod, a support, a supporting sleeve and a limiting rod, wherein the fixing seat is fixed on the shell, one end of the movable rod is inserted into the fixing seat, the support is fixed on two sides of the fixing plate, the supporting sleeve is fixed on one side of the support, one end of the limiting rod is inserted into the supporting sleeve, and the other end of the limiting rod penetrates into the fixing seat.

As a preferable embodiment of the cavity filter for a microwave communication system according to the present utility model, the cavity filter comprises: the limiting piece further comprises a movable plate, and the movable plate is fixed at one end of the movable rod.

As a preferable embodiment of the cavity filter for a microwave communication system according to the present utility model, the cavity filter comprises: the limiting piece further comprises a limiting spring, the limiting spring is arranged in the fixing base, and two ends of the limiting spring are respectively fixed with the movable plate and the inner wall of the fixing base.

As a preferable embodiment of the cavity filter for a microwave communication system according to the present utility model, the cavity filter comprises: the movable piece comprises a connecting rod, and one end of the connecting rod is inserted into the support and the support sleeve and fixed with the limiting rod.

As a preferable embodiment of the cavity filter for a microwave communication system according to the present utility model, the cavity filter comprises: the movable piece further comprises sliding blocks, the sliding blocks are fixed on two sides of the limiting rod, sliding grooves are formed in the supporting sleeves, and the sliding blocks slide in the sliding grooves.

As a preferable embodiment of the cavity filter for a microwave communication system according to the present utility model, the cavity filter comprises: the movable piece further comprises a reset spring which is arranged on the outer side of the connecting rod, and two ends of the reset spring are respectively fixed with the limiting rod and the inner wall of the bracket.

As a preferable embodiment of the cavity filter for a microwave communication system according to the present utility model, the cavity filter comprises: the movable piece further comprises a handle which is fixed at one end of the connecting rod.

The utility model has the beneficial effects that: the main body component is used for protecting equipment, and the adjusting component is used for installing the equipment, so that the equipment is convenient to disassemble and assemble.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a block diagram of a cavity filter for a microwave communication system.

Fig. 2 is a partially enlarged structural view of a cavity filter for a microwave communication system at a in fig. 1.

Fig. 3 is a connection block and support bar connection structure diagram of a cavity filter for a microwave communication system.

Fig. 4 is a sectional view of a fixing base of a cavity filter for a microwave communication system.

Fig. 5 is a diagram showing a connection structure of a bracket and a support sleeve of a cavity filter for a microwave communication system.

Fig. 6 is a schematic cross-sectional view of a holder and a holder sleeve of a cavity filter for a microwave communication system.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 6, a cavity filter for a microwave communication system according to a first embodiment of the present utility model includes a main body assembly 100 including a fixing plate 101, a housing 102, and a shielding member 103, the housing 102 is disposed on top of the fixing plate 101, and the shielding member 103 is disposed on the housing 102.

The protection member 103 is used for protecting the housing 102 and buffering it, so as to prevent the housing 102 from being damaged due to the foreign object falling, and the cavity filter is used in the microwave communication system and is in the prior art.

The adjusting assembly 200 is disposed on the fixed plate 101 and includes a limiting member 201 and a moving member 202, wherein the limiting member 201 is fixed on the housing 102, and the moving member 202 is disposed in the limiting member 201.

The limiting piece 201 is used for limiting the shell 102, so that the shell 102 can be firmly installed on the top of the fixed plate 101, and the movable piece 202 is convenient for a user to release the limiting of the limiting piece 201, so that the shell 102 can be disassembled and washed conveniently.

Example 2

Referring to fig. 1 to 6, this embodiment is based on the previous embodiment, which is a second embodiment of the present utility model.

Specifically, the protection member 103 includes a protection cover 103a, a connection block 103b, a support plate 103c, and a support bar 103d, the protection cover 103a is disposed outside the housing 102, the connection block 103b is fixed on two sides of the protection cover 103a, the support plate 103c is fixed on two sides of the housing 102, and the support bar 103d is fixed between the two support plates 103 c.

The protection casing 103a sets up the upper end on casing 102 surface, and connecting block 103b is fixed in the front end and the rear end of protection casing 103a both sides, and the surface of bracing piece 103d and the inner chamber sliding connection of connecting block 103b are used for connecting protection casing 103a through connecting block 103b, backup pad 103c and bracing piece 103d to spacing it, prevent protection casing 103a break away from the surface of casing 102.

Specifically, the guard 103 further includes a buffer spring 103e disposed outside the support bar 103 d.

The top and bottom ends of the buffer spring 103e are fixed to the connection block 103b and the support plate 103c, respectively

Specifically, the limiting member 201 includes a fixed seat 201a, a movable rod 201b, a support 201c, a supporting sleeve 201d and a limiting rod 201e, the fixed seat 201a is fixed on the housing 102, one end of the movable rod 201b is inserted into the fixed seat 201a, the support 201c is fixed on two sides of the fixed plate 101, the supporting sleeve 201d is fixed on one side of the support 201c, one end of the limiting rod 201e is inserted into the supporting sleeve 201d, and the other end penetrates into the fixed seat 201 a.

The number of the fixed seats 201a is four, the fixed seats are fixed at the front end and the rear end of the two sides of the shell 102, the movable rods 201b are arranged on the two sides of the inner cavity of the fixed seats 201a, one far away ends of the two movable rods 201b penetrate through the inner cavity of the fixed seats 201a and are movably connected with the inner cavity of the fixed seats 201a, and the opposite ends of the two movable rods 201b are arranged in an oblique angle.

Specifically, the limiting member 201 further includes a movable plate 201f fixed to one end of the movable rod 201 b.

The movable plate 201f is disposed in the inner cavity of the fixed seat 201a and fixedly connected with one end of the movable rod 201b, and is used for limiting the movable rod 201b through the movable plate 201f, so as to prevent the movable rod 201b from being separated from the inner cavity of the fixed seat 201 a.

Example 3

Referring to fig. 2, 5 and 6, a third embodiment of the present utility model is based on the first two embodiments.

Specifically, the limiting piece 201 further includes a limiting spring 201g, the limiting spring 201g is disposed in the fixed seat 201a, and two ends of the limiting spring 201g are fixed to the movable plate 201f and an inner wall of the fixed seat 201a respectively.

The limiting spring 201g is used for pushing to displace, and then the movable plate 201f drives the movable rod 201b to displace, so that the movable rod 201b is reset.

Specifically, the movable member 202 includes a connecting rod 202a, and one end of the connecting rod 202a is inserted into the support 201c and the support sleeve 201d and fixed with the limit rod 201 e.

The surface of the connecting rod 202a is movably connected with the inner cavity of the bracket 201c, and the limiting rod 201e is conveniently driven to displace through the connecting rod 202 a.

Specifically, the movable member 202 further includes a sliding block 202b fixed on two sides of the limiting rod 201e, a sliding groove M is formed in the supporting sleeve 201d, and the sliding block 202b slides in the sliding groove M.

The sliding block 202b slides in the chute M and is used for limiting the limiting rod 201e, so as to prevent the limiting rod 201e from being separated from the inner cavity of the supporting sleeve 201 d.

Specifically, the movable member 202 further includes a return spring 202c disposed outside the connecting rod 202a, and two ends of the return spring 202c are fixed to the stop lever 201e and the inner wall of the bracket 201c, respectively.

The return spring 202c is used for continuously resetting the limiting rod 201e, so that one end of the limiting rod 201e is prevented from being separated from the inner cavity of the fixed seat 201a, and the shell 102 cannot be fixed.

Specifically, the movable member 202 further includes a handle 202d fixed to one end of the connecting rod 202 a.

The handle 202d is convenient for a user to pull the driving connecting rod 202a and the limiting rod 201e to displace, so that the limiting of the shell 102 is convenient to release.

When the device is installed, firstly, the shell 102 is placed at the top of the fixed plate 101, the grooving of the fixed seat 201a is contacted with the limit rod 201e and pressed downwards, the oblique angle surface of the movable rod 201b is contacted with the limit rod 201e, the movable rod 201b is displaced towards the inner cavity of the fixed seat 201a through the oblique angle surface of the movable rod 201b, the movable plate 201f and the limit spring 201g are driven to displace, the limit spring 201g is stressed and deformed, when the limit rod 201e is displaced to the upper side of the movable rod 201b, the reset elastic force generated by the limit spring 201g pushes the movable plate 201f and the movable rod 201b to displace, the limit rod 201e is limited through the movable rod 201b, at this moment, the installation of the shell 102 can be completed, when the shell 102 needs to be disassembled, the handle 202d is pulled firstly to drive the connecting rod 202a to displace, the limit rod 201e is driven to displace through the oblique angle surface of the movable rod 201e, at this moment, one end of the limit rod 201e is driven to displace from the inner cavity of the fixed seat 201a, the shell 102 is pulled upwards, the protective cover 103 is detached from the protective cover 103, when the protective cover 103 is in use, the protective cover 103 is firstly, the protective cover 103 is moved downwards, the displacement is buffered, the protective cover 103 is driven by the connecting rod 103b is contacted with the spring 103b, and the displacement is buffered, and the displacement is carried out when the displacement is buffered, when the protective cover 103 is deformed, and is deformed.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A cavity filter for a microwave communication system, characterized by: comprising the steps of (a) a step of,

the main body assembly (100) comprises a fixed plate (101), a shell (102) and a protection piece (103), wherein the shell (102) is positioned at the top of the fixed plate (101), and the protection piece (103) is arranged on the shell (102); and

the adjusting assembly (200) is arranged on the fixed plate (101) and comprises a limiting piece (201) and a movable piece (202), wherein the limiting piece (201) is fixed on the shell (102), and the movable piece (202) is located in the limiting piece (201).

2. A cavity filter for a microwave communication system according to claim 1, wherein: the protection piece (103) comprises a protection cover (103 a), a connecting block (103 b), a supporting plate (103 c) and supporting rods (103 d), wherein the protection cover (103 a) is arranged on the outer side of the shell (102), the connecting block (103 b) is fixed on two sides of the protection cover (103 a), the supporting plates (103 c) are fixed on two sides of the shell (102), and the supporting rods (103 d) are fixed between the two supporting plates (103 c).

3. A cavity filter for a microwave communication system according to claim 2, wherein: the guard (103) further comprises a buffer spring (103 e) arranged outside the support rod (103 d).

4. A cavity filter for a microwave communication system according to claim 3, wherein: the limiting piece (201) comprises a fixed seat (201 a), a movable rod (201 b), a support (201 c), a supporting sleeve (201 d) and a limiting rod (201 e), wherein the fixed seat (201 a) is fixed on the shell (102), one end of the movable rod (201 b) is inserted into the fixed seat (201 a), the support (201 c) is fixed on two sides of the fixed plate (101), the supporting sleeve (201 d) is fixed on one side of the support (201 c), one end of the limiting rod (201 e) is inserted into the supporting sleeve (201 d), and the other end of the limiting rod is penetrated into the fixed seat (201 a).

5. The cavity filter for a microwave communication system according to claim 4, wherein: the limiting piece (201) further comprises a movable plate (201 f) which is fixed to one end of the movable rod (201 b).

6. A cavity filter for a microwave communication system according to claim 5, wherein: the limiting piece (201) further comprises a limiting spring (201 g), the limiting spring (201 g) is arranged in the fixed seat (201 a), and two ends of the limiting spring (201 g) are respectively fixed with the movable plate (201 f) and the inner wall of the fixed seat (201 a).

7. A cavity filter for a microwave communication system according to claim 5 or 6, wherein: the movable piece (202) comprises a connecting rod (202 a), and one end of the connecting rod (202 a) is inserted into the support (201 c) and the support sleeve (201 d) and fixed with the limiting rod (201 e).

8. The cavity filter for a microwave communication system according to claim 7, wherein: the movable piece (202) further comprises a sliding block (202 b) which is fixed on two sides of the limiting rod (201 e), a sliding groove (M) is formed in the supporting sleeve (201 d), and the sliding block (202 b) slides in the sliding groove (M).

9. The cavity filter for a microwave communication system according to claim 8, wherein: the movable piece (202) further comprises a reset spring (202 c) which is arranged on the outer side of the connecting rod (202 a), and two ends of the reset spring (202 c) are respectively fixed with the limiting rod (201 e) and the inner wall of the bracket (201 c).

10. A cavity filter for a microwave communication system according to claim 8 or 9, wherein: the movable member (202) further includes a handle (202 d) fixed to one end of the connecting rod (202 a).