Dustproof cap for loudspeaker

Abstract

The utility model discloses a dustproof cap for a loudspeaker, which comprises a loudspeaker body, a round rod is arranged at the top of the loudspeaker body, the bottom of the round rod is in a thread shape, a dustproof assembly used for preventing dust of the loudspeaker body is arranged on the surface of the round rod, a first connecting block is fixedly connected to the top of the surface of the loudspeaker body, and a second connecting block is fixedly connected to the top of the surface of the loudspeaker body. The number of the first connecting blocks is six, the dustproof assembly comprises mounting bases, the number of the mounting bases is six, and the inner sides of the mounting bases are fixedly connected with the surface of a round rod. When the conical screw block is rotated, the movable plate can be driven to be opened towards the top, the movable plate drives the placement block to slide in the placement groove, the movable plate moves to drive the dustproof cloth to be opened, and when the opening distance of the movable plate is consistent with the distance of the loudspeaker body, the limiting rod can be pushed inwards to enter the insertion groove, so that the dustproof cloth can be opened. Therefore, the advantage of dust prevention for loudspeakers of different models is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a dustproof cap for a loudspeaker. Background Art

[0002] The loudspeaker, commonly known as the "horn", is a very commonly used electroacoustic transducer device that can be found in all sound-generating electronic and electrical equipment.

[0003] The prior art has proposed a publication number: CN216122766U, which discloses a flat loudspeaker dust cap, the flat loudspeaker dust cap comprising a bonding groove and a dust cap opened on the front of the loudspeaker, the inner edge of the bonding groove is fixedly connected with a fixing ring for blocking glue, and blocking blocks are fixedly connected between the two sides of the inner wall of the bonding groove, a bonding portion is formed between the opposite sides of the two blocking blocks, the outer surface of the dust cap is fixedly connected with a connecting ring, and the back side of the connecting ring is fixedly connected with a bonding rod adapted to the bonding portion. The flat loudspeaker dust cap provided by the utility model can inject glue into the bonding portion through the provided bonding groove, so as to avoid the flow of glue, resulting in too little glue, affecting the bonding and fixing effect, effectively avoiding the dust cap from falling off in the later period, improving the firmness of the dust cap bonding, thereby improving the overall beauty of the loudspeaker, and facilitating the subsequent sales of the loudspeaker.

[0004] In order to prevent dust from entering the speakers, most speakers will install dust caps to achieve the dust-proof effect. However, most of the existing dust caps are glued to the surface of the speakers, and the glue may fall off due to the vibration of the speakers over time. The dust-proof efficiency is not high, and the dust caps cannot be adapted to speakers of different sizes and models. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a dust cap for a speaker, which has the advantage of preventing dust from different models of speakers, and solves the problem that the dust cap is glued to the surface of the speaker, and the glue may fall off due to the vibration of the speaker over time, resulting in low dust prevention efficiency, and the dust cap cannot be adapted to speakers of different sizes and models.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust cap for a speaker, comprising a speaker body, a round rod is arranged on the top of the speaker body, the bottom of the round rod is threaded, a dustproof component for preventing dust from the speaker body is arranged on the surface of the round rod, a first connecting block is fixedly connected to the top of the surface of the speaker body, and the number of the first connecting blocks is six.

[0007] As a preferred embodiment of the utility model, the dustproof component includes a mounting base, the number of the mounting bases is six, the inner side of the mounting base is fixedly connected to the surface of the round rod, the interior of the mounting base is fixedly connected with a connecting rod, the interior of the speaker body is rotatably connected with a movable plate, the number of the movable plates is six, the top of the movable plate is provided with a placement groove, the interior of the placement groove is slidably connected with a placement block, the surface of the round rod is provided with a dustproof cloth, the number of the dustproof cloth is six, the bottom of the dustproof cloth is fixedly connected to the top of the movable plate, and the bottom of the dustproof cloth and the bottom of the connecting plate are both in contact with the top of the speaker body.

[0008] As a preferred embodiment of the utility model, a second connecting block is fixedly connected to the outer side of the movable plate, the top of the second connecting block is threadedly connected to a limiting bolt, the bottom of the limiting bolt passes through the interior of the first connecting block, and the first connecting block and the limiting bolt are threadedly connected.

[0009] As a preferred embodiment of the utility model, movable grooves are provided on both sides of the inner wall of the placement groove, and movable blocks slidably connected to the movable grooves are fixedly connected on both sides of the placement block.

[0010] As a preferred embodiment of the utility model, the bottom thread of the round rod surface is connected with a conical screw block, the top of the conical screw block is in contact with the bottom of the movable plate, both sides of the bottom of the conical screw block are fixedly connected with limiting blocks, the outer side of the limiting block is slidably connected with a limiting rod, and both sides of the inner wall of the round rod are provided with grooves, and the inner end of the limiting rod passes through the interior of the groove.

[0011] As a preferred embodiment of the utility model, the outer end of the limit rod is fixedly connected to a disc, the surface of the limit rod is sleeved with a limit tension spring, the inner end of the limit tension spring is fixedly connected to the outer side of the moving block, and the outer end of the limit tension spring is fixedly connected to the inner side of the disc.

[0012] As a preferred embodiment of the present invention, there are a plurality of the card slots, the plurality of the card slots are distributed at equal distances, and the card slots are used in conjunction with a limiting rod.

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

[0014] 1. The utility model can drive the movable plate to open toward the top when the conical screw block is rotated, and the movable plate drives the placement block to slide inside the placement groove, and the movement of the movable plate drives the dustproof cloth to open. When the distance of the movable plate opening is consistent with the distance of the speaker body, the limit rod can be pushed inward to enter the inside of the slot, thereby achieving the advantage of dustproofing for different models of speakers.

[0015] 2. The utility model cooperates with the installation base, the connecting rod, the movable plate, the placement groove, the placement block and the dustproof cloth. When the movable plate is pushed to the top, the placement block can be driven to slide inside the placement groove. The movement of the movable plate drives the dustproof cloth to open, and then the dustproof cloth, the connecting plate and the speaker body are fixed by glue, etc., so that the speaker body can be dustproof.

[0016] 3. The utility model cooperates with the second connecting block and the limiting bolt. When the bottom of the dustproof cloth contacts the top of the speaker body, the bottom of the second connecting block contacts the top of the first connecting block. Then the limiting bolt is rotated to enter the interior of the first connecting block, thereby fixing the speaker body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of the speaker body of the utility model structure;

[0018] Figure 2 This is a structural diagram of the dustproof cloth of the utility model;

[0019] Figure 3 This is a structural diagram of the dustproof component of the utility model;

[0020] Figure 4 It is a cross-sectional view of the movable plate of the utility model;

[0021] Figure 5 For this utility model Figure 3 Enlarged view of point A in the middle.

[0022] In the figure: 1. speaker body; 2. round rod; 4. dustproof component; 41. mounting base; 42. connecting rod; 43. movable plate; 44. placement groove; 45. placement block; 46. dustproof cloth; 5. first connecting block; 6. second connecting block; 7. limiting bolt; 8. moving groove; 9. moving block; 10. conical screw block; 11. limiting block; 12. limiting rod; 13. slot; 14. disc; 15. limiting tension spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 5As shown, the utility model provides a dust cap for a speaker, comprising a speaker body 1, a round rod 2 is arranged on the top of the speaker body 1, the bottom of the round rod 2 is threaded, a dustproof component 4 for preventing dust from the speaker body 1 is arranged on the surface of the round rod 2, a first connecting block 5 is fixedly connected to the top of the surface of the speaker body 1, and the number of the first connecting blocks 5 is six.

[0025] refer to Figure 1-5 As shown, the dustproof component 4 includes a mounting base 41, the number of the mounting base 41 is six, the inner side of the mounting base 41 is fixedly connected to the surface of the round rod 2, the interior of the mounting base 41 is fixedly connected with a connecting rod 42, the interior of the speaker body 1 is rotatably connected with a movable plate 43, the number of the movable plates 43 is six, the top of the movable plate 43 is provided with a placement groove 44, the interior of the placement groove 44 is slidably connected with a placement block 45, the surface of the round rod 2 is provided with a dustproof cloth 46, the number of the dustproof cloth 46 is six, the bottom of the dustproof cloth 46 is fixedly connected to the top of the movable plate 43, the bottom of the dustproof cloth 46 and the bottom of the connecting plate are in contact with the top of the speaker body 1.

[0026] As a technical optimization scheme of the utility model, by installing the base 41, the connecting rod 42, the movable plate 43, the placement groove 44, the placement block 45 and the dustproof cloth 46, when the movable plate 43 is pushed to the top, the placement block 45 can be driven to slide inside the placement groove 44. The movement of the movable plate 43 drives the dustproof cloth 46 to open, and then the dustproof cloth 46, the connecting plate and the speaker body 1 are fixed by glue or the like, so that the speaker body 1 can be dustproof.

[0027] refer to Figure 1-5 As shown, the outer side of the movable plate 43 is fixedly connected with a second connecting block 6, the top of the second connecting block 6 is threadedly connected with a limiting bolt 7, the bottom of the limiting bolt 7 passes through the interior of the first connecting block 5, and the first connecting block 5 and the limiting bolt 7 are threadedly connected.

[0028] As a technical optimization scheme of the utility model, through the mutual cooperation of the second connecting block 6 and the limiting bolt 7, when the bottom of the dustproof cloth 46 contacts the top of the speaker body 1, the bottom of the second connecting block 6 will contact the top of the first connecting block 5, and then the limiting bolt 7 is rotated to enter the interior of the first connecting block 5, so that the speaker body 1 can be fixed.

[0029] refer to Figure 1-5 As shown, both sides of the inner wall of the placement groove 44 are provided with moving grooves 8 , and both sides of the placement block 45 are fixedly connected with moving blocks 9 that are slidably connected to the moving grooves 8 .

[0030] As a technical optimization solution of the present invention, the placement block 45 can be limited by the mutual cooperation between the moving groove 8 and the moving block 9, so as to prevent the placement block 45 from being separated from the placement groove 44 when sliding.

[0031] refer to Figure 1-5 As shown, the bottom thread of the surface of the round rod 2 is connected with a conical screw block 10, the top of the conical screw block 10 is in contact with the bottom of the movable plate 43, both sides of the bottom of the conical screw block 10 are fixedly connected with limit blocks 11, the outer side of the limit block 11 is slidably connected with a limit rod 12, and both sides of the inner wall of the round rod 2 are provided with a slot 13, and the inner end of the limit rod 12 passes through the inside of the slot 13.

[0032] As a technical optimization scheme of the utility model, through the mutual cooperation of the conical screw block 10, the limit block 11, the limit rod 12 and the slot 13, the conical screw block 10 can be rotated to drive the movable plate 43 to be opened to the top. When the conical screw block 10 moves to a suitable height, the limit rod 12 can be pushed inward to make it enter the interior of the slot 13, thereby limiting the conical screw block 10 and preventing the conical screw block 10 from reversing.

[0033] refer to Figure 1-5 As shown, the outer end of the limiting rod 12 is fixedly connected to a disc 14, the surface of the limiting rod 12 is sleeved with a limiting tension spring 15, the inner end of the limiting tension spring 15 is fixedly connected to the outer side of the moving block 9, and the outer end of the limiting tension spring 15 is fixedly connected to the inner side of the disc 14.

[0034] As a technical optimization solution of the utility model, through the cooperation between the disc 14 and the limit tension spring 15, the limit rod 12 can always bear the tension of the limit tension spring 15, so that the limit rod 12 will be more stable when entering the slot 13.

[0035] refer to Figure 1-5 As shown, there are a plurality of the card slots 13 , which are distributed at equal distances, and the card slots 13 and the limiting rod 12 are used in conjunction with each other.

[0036] As a technical optimization solution of the utility model, by setting the number of the slots 13 to be several, the conical screw block 10 can be limited when it is moved to different heights, so that the movable plate 43 and the dustproof cloth 46 can also be opened to different angles, thereby realizing dustproofing of different models of speaker bodies 1.

[0037] The working principle and use process of the utility model are as follows: when in use, the user rotates the conical screw block 10 to drive the movable plate 43 to open toward the top, and the movable plate 43 drives the placement block 45 to slide inside the placement groove 44. The movement of the movable plate 43 drives the dustproof cloth 46 to open. When the distance of the movable plate 43 opening is consistent with the distance of the speaker body 1, the limiting rod 12 can be pushed inward to make it enter the interior of the slot. At this time, the bottom of the movable plate 43 is in contact with the speaker body 1, and then the limiting bolt 7 is rotated to make it enter the interior of the first connecting block 5, so that the speaker body 1 can be limited.

[0038] To sum up: the dust cap for the speaker, through the arrangement of the speaker body 1, the round rod 2, the dustproof component 4, the mounting base 41, the connecting rod 42, the movable plate 43, the placement groove 44, the placement block 45, the dustproof cloth 46, the first connecting block 5, the second connecting block 6, the limiting bolt 7, the movable groove 8, the movable block 9, the conical screw block 10, the limiting block 11, the limiting rod 12, the slot 13, the disc 14 and the limiting tension spring 15, solves the problem that the dust cap is glued to the surface of the speaker, and the glue may fall off due to the vibration of the speaker over time, the dustproof efficiency is not high, and the dust cap cannot be adapted to speakers of different sizes and models.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] 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 dust cap for a loudspeaker, comprising a loudspeaker body (1), characterized in that: A round rod (2) is arranged on the top of the speaker body (1), the bottom of the round rod (2) is threaded, a dustproof component (4) for preventing dust from reaching the speaker body (1) is arranged on the surface of the round rod (2), and a first connecting block (5) is fixedly connected to the top of the surface of the speaker body (1), and the number of the first connecting blocks (5) is six.

2. The dust cap for a loudspeaker according to claim 1, characterized in that: The dustproof component (4) comprises a mounting base (41), the number of the mounting bases (41) being six, the inner side of the mounting base (41) being fixedly connected to the surface of the round rod (2), the interior of the mounting base (41) being fixedly connected to a connecting rod (42), the interior of the speaker body (1) being rotatably connected to a movable plate (43), the number of the movable plates (43) being six, the top of the movable plate (43) being provided with a placement groove (44), the interior of the placement groove (44) being slidably connected to a placement block (45), the surface of the round rod (2) being provided with a dustproof cloth (46), the number of the dustproof cloth (46), the bottom of the dustproof cloth (46) being fixedly connected to the top of the movable plate (43), the bottom of the dustproof cloth (46) and the bottom of the connecting plate both being in contact with the top of the speaker body (1).

3. The dust cap for a loudspeaker according to claim 2, characterized in that: A second connecting block (6) is fixedly connected to the outer side of the movable plate (43); the top of the second connecting block (6) is threadedly connected to a limiting bolt (7); the bottom of the limiting bolt (7) penetrates into the interior of the first connecting block (5); and the first connecting block (5) and the limiting bolt (7) are threadedly connected.

4. The dust cap for a loudspeaker according to claim 2, characterized in that: Both sides of the inner wall of the placement groove (44) are provided with moving grooves (8), and both sides of the placement block (45) are fixedly connected with moving blocks (9) that are slidably connected to the moving grooves (8).

5. The dust cap for a loudspeaker according to claim 2, characterized in that: The bottom of the surface of the round rod (2) is threadedly connected with a conical screw block (10), the top of the conical screw block (10) is in contact with the bottom of the movable plate (43), both sides of the bottom of the conical screw block (10) are fixedly connected with a limiting block (11), the outer side of the limiting block (11) is slidably connected with a limiting rod (12), and both sides of the inner wall of the round rod (2) are provided with a clamping groove (13), and the inner end of the limiting rod (12) penetrates into the interior of the clamping groove (13).

6. The dust cap for a loudspeaker according to claim 5, characterized in that: The outer end of the limiting rod (12) is fixedly connected to a disc (14), the surface of the limiting rod (12) is sleeved with a limiting tension spring (15), the inner end of the limiting tension spring (15) is fixedly connected to the outer side of the moving block (9), and the outer end of the limiting tension spring (15) is fixedly connected to the inner side of the disc (14).

7. The dust cap for a loudspeaker according to claim 5, characterized in that: The number of the card slots (13) is several, and the card slots (13) are distributed at equal distances. The card slots (13) and the limiting rod (12) are used in conjunction with each other.

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