CN219536259U

CN219536259U - Dustproof structure

Info

Publication number: CN219536259U
Application number: CN202320673124.0U
Authority: CN
Inventors: 曾水平
Original assignee: Anhui Qisheng Electronic Technology Co ltd
Current assignee: Anhui Qisheng Electronic Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-15
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a dustproof structure, which relates to the technical field of dust prevention and aims at solving the problems that in the prior art, dust is easy to block a receiver to reduce the playing volume of audio and even damage the receiver. The utility model forms a first defense against external dust by the dustproof mechanism at the top, filters and blocks large-particle dust and floaters by the dustproof net, and then performs a second defense by the arranged collecting box and the dustproof cloth bag in the collecting box, so that fine dust is filtered and trapped in the collecting box.

Description

Dustproof structure

Technical Field

The utility model relates to the technical field of dust prevention, in particular to a dust prevention structure.

Background

The receiver is also called a receiver. An electroacoustic device converts an audio electrical signal into a sound signal under silent leakage conditions. The so-called receiver is referred to as a moving coil receiver, and the working principle is similar to that of a traditional moving coil loudspeaker.

Dust is inevitably accumulated on the telephone receiver after the telephone receiver is used for a period of time, and if the dust is not timely treated, the normal use of the telephone receiver is seriously affected, the telephone receiver is easily blocked, so that the playing volume of audio is reduced, and even the telephone receiver is damaged.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a dustproof structure, overcomes the defects of the prior art, and effectively solves the problems that the dust easily blocks a receiver in the prior art, so that the playing volume of audio becomes small and even the receiver is damaged.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a dustproof construction, includes the dust cover, the receiver body is installed to the bottom in the dust cover, and the top of receiver body is provided with collects the box, the both sides butt of collecting box one end outer wall has the extrusion spring, and the equal butt in top both sides of collecting the box has the blend stop, the other end outer wall butt of collecting the box has stop gear, the top of dust cover is provided with dustproof mechanism, and dustproof mechanism includes the dust frame, is fixed in the dust screen of dust frame inner wall all around, is fixed in the fastening frame of dust frame outer wall all around and is fixed in the fastening rod of fastening frame bottom four sides.

The dust-proof mechanism at the top forms a first defense against external dust, the dust-proof net filters and blocks large-particle dust and floaters, and the collection box and the dust-proof cloth bag in the collection box are used for secondary defense, so that fine dust is filtered and trapped in the collection box.

Preferably, the inner walls of the two sides of the dustproof shell are respectively fixed with a U-shaped strip, and the top of the U-shaped strip is abutted with the bottom of the collecting box.

Through the blocking of U type strip, prevent to collect the box and drop the bottom to dustproof shell, the space between U type strip and the dustproof shell simultaneously can let sound propagate away.

Preferably, the mounting groove is formed in the inner wall of one end of the dustproof shell, and one end of the extrusion spring is fixed on the inner wall of one side of the mounting groove.

The extrusion spring through setting up provides outside thrust to collecting the box, is convenient for take out collecting the box.

Preferably, the outer wall of the other end of the dustproof shell is provided with a socket matched with the collecting box, and the inner walls of the two ends of the socket are provided with clamping grooves.

The collecting box is inserted into the dustproof shell through the socket, and the clamping groove and the limiting mechanism form a fastening fit.

Preferably, the bottom of the outer wall around the collecting box is provided with sound transmission openings, and a dustproof cloth bag fixed on the inner wall around the collecting box is arranged above the sound transmission openings.

The dustproof cloth bag is used for blocking fine dust, and the sound transmission port is arranged for facilitating the transmission of sound.

Preferably, the stop gear includes the baffle, peg graft in the fixture block at baffle both ends, be fixed in the shifting block of fixture block one side outer wall one end and set up in the telescopic spring of fixture block one end both sides, T type groove has all been seted up at the both ends of baffle, and the one end and the inner wall butt in T type groove of fixture block are kept away from to telescopic spring.

The poking block is poked to enable the clamping block to be far away from the clamping groove, the clamping block is received in the T-shaped groove, and the baffle is taken out from the socket of the dustproof shell.

Preferably, slots are formed in four sides of the top of the dustproof shell, and the slots and the fastening rods form interference fit.

The dustproof mechanism is connected with the dustproof shell through the slot and the fastening rod.

The beneficial effects of the utility model are as follows:

the dustproof mechanism at the top forms a first defense against external dust, the dust screen filters and blocks large-particle dust and floaters, and the collection box and the dust-proof cloth bag in the collection box are used for performing secondary defense, so that fine dust is filtered and trapped in the collection box, and the problem that in the prior art, the dust is easy to block a receiver to cause the playing volume of audio to be small and even the receiver is damaged is effectively solved.

Drawings

FIG. 1 is a schematic view of the overall structure of a dust-proof structure according to the present utility model;

fig. 2 is a schematic view illustrating the disassembly of the inner structure of a dust-proof housing with a dust-proof structure according to the present utility model;

fig. 3 is a schematic structural view of a limiting mechanism with a dustproof structure according to the present utility model;

fig. 4 is a schematic view of a bottom structure of a dustproof mechanism with a dustproof structure according to the present utility model.

In the figure: 1. a dust-proof housing; 2. a receiver body; 3. a U-shaped strip; 4. a collection box; 5. a mounting groove; 6. extruding a spring; 7. a barrier strip; 8. a clamping groove; 9. a limiting mechanism; 10. a baffle; 11. a T-shaped groove; 12. a clamping block; 13. a shifting block; 14. a telescopic spring; 15. a dust-proof mechanism; 16. a dust-proof frame; 17. a dust screen; 18. a fastening frame; 19. and a fastening rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples:

referring to fig. 1-4, a dustproof structure comprises a dustproof shell 1, a receiver body 2 is arranged at the bottom in the dustproof shell 1, a collecting box 4 is arranged above the receiver body 2, U-shaped strips 3 are fixed on the inner walls of two sides of the dustproof shell 1, the top of each U-shaped strip 3 is abutted to the bottom of the corresponding collecting box 4, the collecting box 4 is prevented from falling to the bottom of the dustproof shell 1 through blocking of the U-shaped strips 3, meanwhile, gaps between the U-shaped strips 3 and the dustproof shell 1 can enable sound to be transmitted, sound transmission openings are formed in the bottoms of the outer walls around the collecting box 4, dust cloth bags fixed on the inner walls around the collecting box 4 are arranged above the sound transmission openings, fine dust is blocked through the dust cloth bags, and the sound transmission openings are convenient for the transmission of sound;

the mounting groove 5 is formed in the inner wall of one end of the dustproof shell 1, one end of the extrusion spring 6 is fixed on the inner wall of one side of the mounting groove 5, the collection box 4 is provided with outward thrust through the arranged extrusion spring 6, the collection box 4 is convenient to take out, two sides of the outer wall of one end of the collection box 4 are abutted with the extrusion spring 6, two sides of the top of the collection box 4 are abutted with the barrier strips 7, a socket matched with the collection box 4 is formed in the outer wall of the other end of the dustproof shell 1, clamping grooves 8 are formed in the inner walls of two ends of the socket, the collection box 4 is inserted into the dustproof shell 1 through the socket, and the clamping grooves 8 and the limiting mechanism 9 form fastening fit;

the other end outer wall of the collecting box 4 is abutted with a limiting mechanism 9, the limiting mechanism 9 comprises a baffle 10, clamping blocks 12 inserted into two ends of the baffle 10, a shifting block 13 fixed at one end of one side outer wall of the clamping blocks 12 and telescopic springs 14 arranged at two sides of one end of the clamping blocks 12, T-shaped grooves 11 are formed in two ends of the baffle 10, one end, far away from the clamping blocks 12, of each telescopic spring 14 is abutted with the inner wall of each T-shaped groove 11, the shifting block 13 is shifted to enable the clamping blocks 12 to be far away from the clamping grooves 8, the clamping blocks 12 are received in the T-shaped grooves 11, and the baffle 10 is taken out from a socket of the dustproof shell 1;

the top of the dustproof shell 1 is provided with a dustproof mechanism 15, the dustproof mechanism 15 comprises a dustproof frame 16, a dustproof net 17 fixed on the inner wall around the dustproof frame 16, a fastening frame 18 fixed on the outer wall around the dustproof frame 16 and a fastening rod 19 fixed on the four sides at the bottom of the fastening frame 18, slots are formed in the four sides of the top of the dustproof shell 1, the slots and the fastening rod 19 form interference fit, and the dustproof mechanism 15 is connected with the dustproof shell 1 through the slots and the fastening rod.

Working principle:

during operation, the dustproof mechanism 15 at the top forms a first defense against external dust, the dustproof net 17 filters and blocks large-particle dust and floaters, the collection box 4 and the dustproof cloth bag in the collection box 4 are used for performing secondary defense, fine dust is filtered and trapped in the collection box 4, when dust is cleaned, the poking block 13 is poked to enable the clamping block 12 to be far away from the clamping groove 8, the clamping block 12 is received in the T-shaped groove 11, the baffle 10 is taken out from the socket of the dustproof shell 1, and the collection box 4 is pushed out from the dustproof shell 1 under the thrust action of the extrusion spring 6, so that dust in the collection box 4 is cleaned.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a dustproof construction, includes dustproof housing (1), its characterized in that, receiver body (2) are installed to the bottom in dustproof housing (1), and the top of receiver body (2) is provided with collects box (4), the both sides butt of collecting box (4) one end outer wall has extrusion spring (6), and the equal butt in top both sides of collecting box (4) has blend stop (7), the other end outer wall butt of collecting box (4) has stop gear (9), the top of dustproof housing (1) is provided with dustproof mechanism (15), and dustproof mechanism (15) including dustproof frame (16), be fixed in dustproof frame (16) dust screen (17) of inner wall all around, be fixed in fastening frame (18) of outer wall all around and be fixed in fastening frame (18) bottom four sides fastening rod (19).

2. The dustproof structure according to claim 1, wherein the inner walls of the two sides of the dustproof shell (1) are respectively fixed with a U-shaped strip (3), and the top of the U-shaped strip (3) is abutted with the bottom of the collecting box (4).

3. A dust-proof structure according to claim 1, characterized in that the mounting groove (5) is provided in an inner wall of one end of the dust-proof housing (1), and one end of the pressing spring (6) is fixed to an inner wall of one side of the mounting groove (5).

4. The dustproof structure according to claim 1, wherein the outer wall of the other end of the dustproof shell (1) is provided with a socket matched with the collecting box (4), and the inner walls of the two ends of the socket are provided with clamping grooves (8).

5. The dustproof structure according to claim 1, wherein sound transmission openings are formed in the bottoms of the peripheral outer walls of the collecting box (4), and a dustproof cloth bag fixed to the peripheral inner walls of the collecting box (4) is arranged above the sound transmission openings.

6. The dustproof structure according to claim 1, wherein the limiting mechanism (9) comprises a baffle (10), clamping blocks (12) inserted into two ends of the baffle (10), a shifting block (13) fixed at one end of one side outer wall of the clamping blocks (12) and telescopic springs (14) arranged on two sides of one end of the clamping blocks (12), T-shaped grooves (11) are formed in two ends of the baffle (10), and one end, far away from the clamping blocks (12), of each telescopic spring (14) is abutted against the inner wall of each T-shaped groove (11).

7. A dust-proof structure according to claim 1, characterized in that the top four sides of the dust-proof housing (1) are provided with slots, and the slots and the fastening rods (19) form an interference fit.