CN213693643U

CN213693643U - Dustproof mechanism for filter

Info

Publication number: CN213693643U
Application number: CN202022734762.8U
Authority: CN
Inventors: 李钢
Original assignee: Shanghai Sharewell Like To Electrical Technology Co ltd
Current assignee: Shanghai Sharewell Like To Electrical Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-13
Anticipated expiration: 2030-11-24

Abstract

The utility model belongs to the technical field of filters, in particular to a dustproof mechanism for a filter, which comprises a filter body, a dustproof upper shell and a dustproof lower shell; the filter body is arranged in the dustproof lower shell, a plurality of limiting columns are arranged at the positions, corresponding to the four corners of the filter body, of the bottom surface of the dustproof lower shell, and loop bars are vertically fixed at the positions of the four corners of the bottom surface of the dustproof lower shell; the dustproof upper shell is arranged above the dustproof lower shell, a round hole is formed in the surface of the dustproof upper shell corresponding to the position of the loop bar, a fixing bolt is arranged in the round hole, a screw part of the fixing bolt extends into the loop bar and is in threaded connection with the loop bar, and a dustproof baffle is vertically fixed on the top surface of the dustproof lower shell; the dustproof baffle is of an annular structure, and a fixing groove matched with the dustproof baffle is formed in the position corresponding to the bottom surface of the dustproof lower shell; the utility model discloses simple structure has better dustproof function and leakproofness, and can prevent to cause the condition that can't separate dustproof epitheca and dustproof inferior valve owing to fixing bolt's ageing and corruption.

Description

Dustproof mechanism for filter

Technical Field

The utility model relates to a wave filter technical field specifically is a dustproof mechanism for wave filter.

Background

Filters are widely used in the field of communications, particularly radio frequency communications, as a frequency selection device, and in a base station in a communication system that performs transmission and reception of signals, the filters are used to select communication signals and eliminate spurious or interference signals outside the frequency of the communication signals. However, the conventional filter is often designed to be an open structure in order to ensure the heat dissipation performance of the filter, and the open structure often causes a large amount of dust to accumulate in the housing of the filter, which may affect the performance of the filter after long-term dust collection. Therefore, we propose a dust-proof mechanism for a filter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustproof mechanism for filter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof mechanism for a filter comprises a filter body, a dustproof upper shell and a dustproof lower shell; the filter body is arranged in the dustproof lower shell, a plurality of limiting columns are arranged at the positions, corresponding to the four corners of the filter body, of the bottom surface of the dustproof lower shell, and loop bars are vertically fixed at the positions of the four corners of the bottom surface of the dustproof lower shell; the dustproof upper shell is arranged above the dustproof lower shell, a round hole is formed in the surface of the dustproof upper shell corresponding to the position of the loop bar, a fixing bolt is arranged in the round hole, a screw part of the fixing bolt extends into the loop bar and is in threaded connection with the loop bar, and a dustproof baffle is vertically fixed on the top surface of the dustproof lower shell; the dustproof baffle is of an annular structure, and a fixing groove matched with the dustproof baffle is formed in the position, corresponding to the bottom surface of the dustproof lower shell, of the dustproof lower shell.

Preferably, the filter body both sides fixedly connected with paster, corresponding through-hole has been seted up to dustproof inferior valve bottom surface both sides, and the paster passes the through-hole and outwards extends.

Preferably, the two side faces of the dustproof lower shell corresponding to the outer sides of the through holes are provided with protection tubes, the protection tubes are square tube bodies, and extension tubes are arranged in the protection tubes and are in sliding connection with the protection tubes.

Preferably, sliding grooves are longitudinally formed in the surfaces of two sides of the end part of the extension pipe, a sliding plate is arranged on one side of the end part of the extension pipe, and sliding blocks are fixedly connected to the corresponding positions of the side surfaces of the sliding plate; the sliding block is positioned inside the sliding groove and is in sliding connection with the sliding groove.

Preferably, the dustproof upper shell is provided with a sealing cover on one side of the round hole, the size of the sealing cover is matched with that of the round hole, and the sealing cover is connected with the dustproof upper shell through an elastic belt.

Preferably, the center of the bottom surface of the dustproof lower shell is provided with a heat conduction layer, and the heat conduction layer is filled with heat conduction materials.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an effect of loop bar, fixing bolt, round hole, sealed lid and elastic webbing stretches into round hole and loop bar behind dustproof epitheca and dustproof inferior valve fixed connection at fixing bolt, seals the round hole by sealed lid for fixing bolt does not contact with the external world, thereby has prevented the condition that fixing bolt is ageing and corroded, and then has avoided the phenomenon that dustproof epitheca and dustproof inferior valve can't separate, the people of being more convenient for are to the maintenance and the change of wave filter body.

The utility model discloses a cooperation of protection tube, extension pipe and slide makes the paster be located a confined space when the wave filter body does not use to prevent that the paster surface is stained with the ash and play the guard action to the paster, and use the messenger at the wave filter body and can expose the paster again, from not influencing its normal use.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is an enlarged schematic view of a point a in fig. 1.

In the figure: 1. a filter body; 2. a dustproof upper shell; 3. a dustproof lower shell; 4. a limiting column; 5. a loop bar; 6. a circular hole; 7. fixing the bolt; 8. a dust-proof baffle plate; 9. fixing grooves; 10. pasting a piece; 11. protecting the tube; 12. an extension pipe; 13. a slide plate; 14. a chute; 15. a slider; 16. a sealing cover; 17. an elastic band; 18. a thermally conductive layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a dustproof mechanism for a filter comprises a filter body 1, a dustproof upper shell 2 and a dustproof lower shell 3; the filter body 1 is arranged inside the dustproof lower shell 3, the positions, corresponding to four corners of the filter body 1, of the bottom surface of the dustproof lower shell 3 are provided with the limiting columns 4, the filter body 1 is placed in the center of the bottom surface of the dustproof lower shell 3 and then fixed through the limiting columns 4, so that the filter body 1 is prevented from sliding inside the dustproof lower shell 3, the center of the bottom surface of the dustproof lower shell 3 is provided with the heat conduction layer 18, the heat conduction layer 18 is filled with heat conduction materials, heat generated during working of the filter body 1 can be dissipated to the outside through the heat conduction layer 18 and the heat conduction materials, a heat dissipation effect is achieved, and the filter body 1 is prevented from being damaged due to;

sleeve rods 5 are vertically fixed at the four corners of the bottom surface of the dustproof lower shell 3; the dustproof upper shell 2 is arranged above the dustproof lower shell 3, a round hole 6 is formed in the position, corresponding to the position of the sleeve rod 5, of the surface of the dustproof upper shell 2, a fixing bolt 7 is arranged in the round hole 6, a screw rod part of the fixing bolt 7 extends into the sleeve rod 5 and is in threaded connection with the sleeve rod 5, the fixing bolt 7 penetrates through the round hole 6 to extend into the sleeve rod 5 and is in threaded connection with the sleeve rod 5, the dustproof upper shell 2 and the dustproof lower shell 3 are fixedly connected, a sealing cover 16 matched with the round hole 6 in size is arranged on one side, corresponding to the position of the round hole 6, of the surface of the dustproof upper shell 2, the sealing cover 16 is connected with the dustproof upper shell 2 through an elastic belt 17, after the dustproof upper shell 2 and the dustproof lower shell 3 are connected through the fixing bolt 7, the sealing cover 16 covers the round hole 6 through the elastic belt 17, the fixing bolt 7 is located in a closed, Corrosion and the like;

a dustproof baffle 8 is vertically fixed on the top surface of the dustproof lower shell 3; the dustproof baffle 8 is of an annular structure, and a fixing groove 9 matched with the dustproof baffle 8 is formed in the position corresponding to the bottom surface of the dustproof lower shell 3; after the dustproof upper shell 2 is connected with the dustproof lower shell 3, the dustproof baffle 8 extends into the fixing groove 9, so that the connection tightness of the dustproof lower shell 3 and the dustproof upper shell 2 is further improved, and better dustproof and protection effects are achieved;

patches 10 are fixedly connected to two sides of the filter body 1, through holes are correspondingly formed in two sides of the bottom surface of the dustproof lower shell 3, the patches 10 penetrate through the through holes to extend outwards, protective tubes 11 are arranged on two side surfaces of the dustproof lower shell 3 corresponding to the outer sides of the through holes, the protective tubes 11 are square tubes, extension tubes 12 are arranged inside the protective tubes 11, and the extension tubes 12 are connected with the protective tubes 11 in a sliding mode; when the filter body 1 is not used, the extension pipe 12 is slid out from the protective pipe 11, so that the extension pipe 12 and the protective pipe 11 cover the patch 10, and then the slide plate 13 seals the opening at the end of the extension pipe 12, so that the patch 10 is sealed, thereby playing a role of dust prevention and protection, and when the filter body is used, the slide plate 13 is slid out, the extension pipe 12 is pushed into the protective pipe 11, so that the patch 10 is leaked and used.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dustproof mechanism for filter which characterized in that: comprises a filter body (1), a dustproof upper shell (2) and a dustproof lower shell (3); the filter body (1) is arranged inside the dustproof lower shell (3), a plurality of limiting columns (4) are arranged at the positions, corresponding to the four corners of the filter body (1), of the bottom surface of the dustproof lower shell (3), and loop bars (5) are vertically fixed at the positions of the four corners of the bottom surface of the dustproof lower shell (3); the dustproof upper shell (2) is arranged above the dustproof lower shell (3), a round hole (6) is formed in the surface of the dustproof upper shell (2) corresponding to the position of the sleeve rod (5), a fixing bolt (7) is arranged in the round hole (6), the screw part of the fixing bolt (7) extends into the sleeve rod (5) and is in threaded connection with the sleeve rod (5), and a dustproof baffle (8) is vertically fixed on the top surface of the dustproof lower shell (3); dustproof baffle (8) are the loop configuration, and dustproof inferior valve (3) bottom surface corresponds position department and offers fixed slot (9) that match with dustproof baffle (8).

2. The dust-proof mechanism for a filter according to claim 1, wherein: filter body (1) both sides fixedly connected with paster (10), corresponding through-hole has been seted up to dustproof inferior valve (3) bottom surface both sides, and paster (10) pass the through-hole and outwards extend.

3. The dust-proof mechanism for a filter according to claim 2, wherein: protection tubes (11) are arranged on the two side faces of the dustproof lower shell (3) corresponding to the outer sides of the through holes, the protection tubes (11) are square tube bodies, and extension tubes (12) are arranged inside the protection tubes (11) and are in sliding connection with the protection tubes (11).

4. The dust-proof mechanism for a filter according to claim 3, wherein: sliding grooves (14) are longitudinally formed in the surfaces of two sides of the end part of the extension pipe (12), a sliding plate (13) is arranged on one side of the end part of the extension pipe (12), and a sliding block (15) is fixedly connected to the corresponding position of the side surface of the sliding plate (13); the sliding block (15) is positioned inside the sliding groove (14) and is in sliding connection with the sliding groove (14).

5. The dust-proof mechanism for a filter according to claim 1, wherein: the dustproof upper shell (2) is provided with a sealing cover (16) on one side of the round hole (6), the size of the sealing cover (16) is matched with that of the round hole (6), and the sealing cover (16) is connected with the dustproof upper shell (2) through an elastic belt (17).

6. The dust-proof mechanism for a filter according to claim 1, wherein: and the center of the bottom surface of the dustproof lower shell (3) is provided with a heat conduction layer (18), and the heat conduction layer (18) is filled with a heat conduction material.