Sound box horn

Abstract

The utility model discloses a loudspeaker box horn, which relates to the technical field of loudspeaker box horns and comprises a horn body, a sound opening is arranged at the top end of the horn body, an outer frame is fixedly connected to the outer side of the horn body, a top frame is clamped at the top end of the outer frame, and a butt joint frame is fixedly connected to the inner side of the top frame. By the adoption of the structure, due to the existence of the filter plate, dust and pollutants in air can be effectively blocked, a good dustproof effect can be achieved, the second clamping block can be fed into the circular groove through the first clamping block, the second clamping block is adjusted to be at an angle not corresponding to the second clamping groove, and the second clamping block can be clamped into the circular groove. Therefore, point positions of the connecting frame can be effectively fixed to avoid displacement of the filter plate, when the filter plate needs to be detached in the later period, the second clamping block is adjusted to the angle corresponding to the second clamping groove, then the first clamping block is directly pulled out, and meanwhile a user can conveniently clean or maintain the filter plate structure in the later period.

Description

A type of speaker horn Technical Field

[0001] This utility model belongs to the field of speaker horn technology, and specifically relates to a speaker horn. Background Technology

[0002] A speaker horn is a highly efficient sound radiating device. Through special geometric structures, such as exponential or conical shapes, it controls the direction of sound wave propagation, significantly improving high-frequency directivity and sound pressure level. Its core advantages lie in its high efficiency and strong directivity, making it suitable for long-distance projection and commonly found in professional audio systems, cinema systems, and large-scale performances. However, horns have limitations such as insufficient low-frequency response, volatile frequency response, and large size and weight, requiring a design balance based on specific needs and application scenarios.

[0003] Chinese patent publication number "CN211831132U" discloses a speaker horn, belonging to the field of speaker structure. This utility model includes a horn body, which comprises a horn-shaped extension portion that is smaller at the bottom and larger at the top, and a fixing portion disposed below the extension portion. The extension portion has a horn cavity, a throat with a small opening below the horn cavity, and a horn opening with a larger opening above the horn cavity.

[0004] However, the above structure still has some shortcomings. When using a speaker horn, since the sound port of the speaker horn is generally exposed, the air can circulate with the inside of the speaker through the sound port. However, there is some dust and mixture in the air. When the air circulates, the dust and pollutants will also enter the speaker through the sound port. Over time, this will affect the sound quality and make it difficult for the user to clean it later. Summary of the Invention

[0005] In view of the problems mentioned in the background art, the purpose of this utility model is to provide a speaker horn to solve the problems mentioned in the background art.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A speaker horn includes a horn body with a sound port at its top. An outer frame is fixedly connected to the outer side of the horn body, and a top bracket is snapped onto the top of the outer frame. A docking bracket is fixedly connected to the inner side of the top bracket, and a connecting opening is provided at the top of the docking bracket, the position of which corresponds to the position of the sound port. A connecting frame is snapped onto the bottom of the horn body, and a filter plate is fixedly connected to the inner side of the connecting frame, the position of which corresponds to the position of the sound port. A first slot is provided at the bottom of the connecting frame, extending into the interior of the horn body. A second slot is provided on the inner wall of the first slot, and a circular groove is provided on the inner side of the first slot. A first locking block is snapped onto the inner side of the first slot, and a second locking block that matches the second slot is fixedly connected to the outer side of the first locking block, the second locking block being snapped onto the inner side of the circular groove.

[0008] As a preferred technical solution, a retaining spring that matches the second retaining block is installed on the inner side of the circular groove. The top end of the second retaining block is engaged with the bottom end of the retaining spring. The second retaining block is engaged with the inner side of the circular groove by the retaining spring. A sealing block is fixedly connected to the bottom end of the first retaining block. The sealing block covers the bottom end of the first retaining groove. A protrusion is fixedly connected to the bottom end of the sealing block. The protrusion has an arc-shaped corner.

[0009] As a preferred technical solution, a rubber pad is fixedly connected to the bottom end of the horn body. The rubber pad is five millimeters thick and is located on the inner side close to the first card block. The bottom end of the rubber pad is in contact with the top end of the connecting frame.

[0010] As a preferred technical solution, a third slot is provided at the top of the outer frame. The third slot is located on the four sides near the corner of the top of the outer frame. A third block that matches the third slot is fixedly connected to the bottom of the top frame. The third block is engaged with the inside of the third slot. The top frame is engaged with the top of the outer frame through the third slot and the third block.

[0011] As a preferred technical solution, a sealing groove is provided at the top of the horn body, and a sealing ring that matches the sealing groove is fixedly connected to the bottom of the docking frame, with the sealing ring covering the inner side of the sealing groove.

[0012] As a preferred technical solution, a reinforcing plate is fixedly connected to the inner wall of the outer frame. The reinforcing plate is triangular in shape, and one side of the reinforcing plate is fixedly connected to the outer wall of the horn body.

[0013] As a preferred technical solution, a protective frame is fixedly connected to the outer side of the horn body, and positioning blocks are fixedly connected to both the inner side of the protective frame and the outer side of the outer frame. The bottom end of the positioning block is provided with a positioning hole.

[0014] In summary, the present invention has the following main advantages:

[0015] During use, the connecting port facilitates the interconnection of sound ports. Due to the presence of the filter plate, it can effectively block dust and pollutants in the air, thus achieving a good dustproof effect. The first locking block can send the second locking block into the circular groove. Adjusting the second locking block to an angle that is not corresponding to the second locking groove can effectively fix the connection frame points to prevent the filter plate from shifting. When it needs to be disassembled later, adjust the second locking block to an angle corresponding to the second locking groove, and then pull out the first locking block directly. This also facilitates the user to clean or maintain the filter plate structure later. Attached Figure Description

[0016] Figure 1 is a structural schematic diagram of this utility model;

[0017] Figure 2 is a schematic diagram of the top structure of the horn body of this utility model;

[0018] Figure 3 is a schematic diagram of the bottom structure of the top frame of this utility model;

[0019] Figure 4 is a schematic diagram of the bottom structure of the horn body of this utility model;

[0020] Figure 5 is a schematic diagram of the bottom structure of the outer frame of this utility model;

[0021] Figure 6 is an enlarged structural schematic diagram of part A in Figure 5 of this utility model;

[0022] Figure 7 is a schematic diagram of the first card block structure of this utility model.

[0023] Reference numerals: 1. Horn body; 2. Sound port; 3. Outer frame; 4. Reinforcing plate; 5. Protective frame; 6. Positioning block; 7. First slot; 8. Second slot; 9. Circular groove; 10. Snap ring; 11. First locking block; 12. Second locking block; 13. Sealing block; 14. Protrusion; 15. Rubber pad; 16. Connecting frame; 17. Filter plate; 18. Third slot; 19. Sealing groove; 20. Top frame; 21. Connecting frame; 22. Connecting port; 23. Third locking block; 24. Sealing ring. Detailed Implementation

[0024] Example

[0025] Referring to Figures 1 to 7, a speaker horn of this embodiment includes a horn body 1. A sound port 2 is provided at the top of the horn body 1. An outer frame 3 is fixedly connected to the outer side of the horn body 1. A top frame 20 is snapped onto the top of the outer frame 3. A docking frame 21 is fixedly connected to the inner side of the top frame 20. A connecting port 22 is provided at the top of the docking frame 21, and the position of the connecting port 22 corresponds to the position of the sound port 2. A connecting frame 16 is snapped onto the bottom of the horn body 1. A filter plate 17 is fixedly connected to the inner side of the connecting frame 16, and the position of the filter plate 17 corresponds to the position of the sound port 2. A first slot 7 is provided at the bottom of the connecting frame 16, extending into the interior of the horn body 1. A second slot 8 is provided on the inner wall of the first slot 7. A circular groove 9 is provided on the inner side of the first slot 7. A first locking block 11 is snapped onto the inner side of the first slot 7. A second locking block 12, which matches the second locking slot 8, is fixedly connected to the outside of the locking block 11. The second locking block 12 is engaged inside the circular groove 9. In use, the filter plate 17 can effectively block dust and pollutants in the air, thus achieving a good dustproof effect and preventing a large amount of dust or pollutants from entering the speaker and causing pollution. The first locking block 11 can send the second locking block 12 into the circular groove 9. Adjusting the second locking block 12 to a non-corresponding angle with the second locking slot 8 can effectively fix the connection frame 16 points to prevent the filter plate 17 from shifting. When it needs to be disassembled later, the second locking block 12 is adjusted to a corresponding angle with the second locking slot 8, and then the first locking block 11 can be pulled out directly. This also facilitates the user to clean or maintain the filter plate 17 structure later.

[0026] Referring to Figures 1 to 7, a retaining spring 10 matching the second retaining block 12 is installed on the inner side of the circular groove 9. The top end of the second retaining block 12 is engaged with the bottom end of the retaining spring 10. The second retaining block 12 is engaged with the inner side of the circular groove 9 through the retaining spring 10. A sealing block 13 is fixedly connected to the bottom end of the first retaining block 11. The sealing block 13 covers the bottom end of the first retaining groove 7. A protrusion 14 is fixedly connected to the bottom end of the sealing block 13. The protrusion 14 has an arc-shaped corner. Due to the presence of the retaining spring 10, the engagement of the retaining spring 10 can perform secondary engagement of the second retaining block 12. While improving the engagement stability of the second retaining block 12, it also effectively improves the stability of the engagement of the connecting frame 16.

[0027] Referring to Figures 1 to 6, a rubber pad 15 is fixedly connected to the bottom of the horn body 1. The rubber pad 15 is 5 mm thick and is located on the inner side close to the first locking block 11. The bottom end of the rubber pad 15 is in contact with the top end of the connecting frame 16. Due to the presence of the rubber pad 15, the rubber pad 15 has good anti-slip ability and rubber elasticity. When the second locking block 12 is engaged, the connecting frame 16 will be pressed down, which will press the rubber pad 15. After the second locking block 12 is engaged, the rebound of the rubber pad 15 can make the second locking block 12 engage more tightly, thereby further improving the stability of the point engagement of the connecting frame 16.

[0028] Referring to Figures 1 to 3, a third slot 18 is provided at the top of the outer frame 3. The third slot 18 is located on the four sides near the corners of the top of the outer frame 3. A third block 23 matching the third slot 18 is fixedly connected to the bottom of the top frame 20. The third block 23 is engaged inside the third slot 18. The top frame 20 is engaged at the top of the outer frame 3 through the third slot 18 and the third block 23. Due to the presence of the third block 23, the engagement of the third block 23 can effectively engage the top frame 20 to prevent displacement. When the top frame 20 needs to be disassembled later, the third block 23 can be pulled out. It also facilitates the user to adjust the size of the sound port 2.

[0029] Referring to Figures 1 to 3, a sealing groove 19 is provided at the top of the horn body 1, and a sealing ring 24 matching the sealing groove 19 is fixedly connected to the bottom of the docking frame 21. The sealing ring 24 covers the inner side of the sealing groove 19. Due to the presence of the sealing ring 24, the sealing ring 24 can effectively seal the connection point between the horn body 1 and the docking frame 21, thereby achieving a good dustproof sealing effect.

[0030] Referring to Figures 4 and 5, a reinforcing plate 4 is fixedly connected to the inner wall of the outer frame 3. The reinforcing plate 4 is triangular in shape, and one side of the reinforcing plate 4 is fixedly connected to the outer wall of the horn body 1. Due to the presence of the reinforcing plate 4, the stability of the entire horn body 1 structure can be effectively improved, and the service life of the horn body 1 can be effectively improved.

[0031] Referring to Figure 5, a protective frame 5 is fixedly connected to the outer side of the horn body 1. Positioning blocks 6 are fixedly connected to the inner side of the protective frame 5 and the outer side of the outer frame 3. The bottom end of the positioning block 6 is provided with a positioning hole. Due to the presence of the positioning block 6, the positioning block 6 and the positioning hole cooperate with each other, and with the assistance of external positioning components, the position of the horn body 1 can be effectively fixed, thereby improving the stability of the installation of the horn body 1.

[0032] Operating principle and advantages: During use, the filter plate 17 effectively blocks dust and pollutants in the air, thus providing a good dustproof effect and preventing a large amount of dust or pollutants from entering the speaker and causing pollution. Its first locking block 11 can insert the second locking block 12 into the circular groove 9. Adjusting the second locking block 12 to a non-corresponding angle with the second groove 8 effectively fixes the connecting frame 16 points, preventing the filter plate 17 from shifting. When it needs to be disassembled later, adjust the second locking block 12 to a corresponding angle with the second groove 8, and then directly pull out the first locking block 11. This also facilitates later cleaning or maintenance of the filter plate 17 structure. Due to the presence of the retaining spring 10, the retaining spring 10 can provide secondary locking for the second locking block 12 points, improving the locking stability of the second locking block 12 points and effectively enhancing the stability of the connecting frame 16 points. Due to the presence of the rubber pad 15, the rubber... The rubber pad 15 has good anti-slip ability and rubber elasticity. When the second locking block 12 is engaged, its connecting frame 16 will be pressed down, which will press the rubber pad 15. After the second locking block 12 is engaged, the rebound of the rubber pad 15 can make the second locking block 12 engage more tightly, which further improves the stability of the engagement of the connecting frame 16. Due to the presence of the third locking block 23, the engagement of the third locking block 23 can effectively engage the top frame 20 to prevent the top frame 20 from shifting. When the top frame 20 needs to be disassembled later, the third locking block 23 can be pulled out. It also facilitates the user to adjust the size of the tone port 2. Due to the presence of the sealing ring 24, the sealing ring 24 can effectively seal the connection point between the horn body 1 and the docking frame 21, thereby achieving a good dustproof sealing effect. Due to the presence of the reinforcing plate 4, the stability of the entire horn body 1 structure can be effectively improved, and the service life of the horn body 1 can be effectively improved.

Claims

1. A speaker horn comprising a horn body (1), characterized in that: The horn body (1) has a sound port (2) at its top. An outer frame (3) is fixedly connected to the outside of the horn body (1). A top frame (20) is snapped onto the top of the outer frame (3). A docking frame (21) is fixedly connected to the inside of the top frame (20). A connecting port (22) is provided at the top of the docking frame (21). The position of the connecting port (22) corresponds to the position of the sound port (2). A connecting frame (16) is snapped onto the bottom of the horn body (1). A filter plate (17) is fixedly connected to the inside of the connecting frame (16). The filter plate (17) is positioned... The position corresponds to the position of the mouthpiece (2). The bottom end of the connecting frame (16) is provided with a first slot (7). The first slot (7) extends into the inside of the horn body (1). The inner wall of the first slot (7) is provided with a second slot (8). The inner side of the first slot (7) is provided with a circular groove (9). The inner side of the first slot (7) is engaged with a first locking block (11). The outer side of the first locking block (11) is fixedly connected with a second locking block (12) that matches the second slot (8). The second locking block (12) is engaged with the inner side of the circular groove (9).

2. A sound box horn according to claim 1, characterized in that: A retaining ring (10) matching the second retaining block (12) is installed on the inner side of the circular groove (9). The top end of the second retaining block (12) is engaged with the bottom end of the retaining ring (10). The second retaining block (12) is engaged with the inner side of the circular groove (9) through the retaining ring (10). A sealing block (13) is fixedly connected to the bottom end of the first retaining block (11). The sealing block (13) covers the bottom end of the first retaining groove (7). A protrusion (14) is fixedly connected to the bottom end of the sealing block (13). The protrusion (14) has an arc-shaped corner.

3. The speaker horn of claim 1, wherein: A rubber pad (15) is fixedly connected to the bottom end of the horn body (1). The rubber pad (15) is five millimeters thick and is located on the inner side close to the first card block (11). The bottom end of the rubber pad (15) is attached to the top end of the connecting frame (16).

4. The speaker horn of claim 1, wherein: The top of the outer frame (3) is provided with a third slot (18), which is located on the four sides near the corner of the top of the outer frame (3). The bottom of the top frame (20) is fixedly connected with a third block (23) that matches the third slot (18). The third block (23) is engaged with the inside of the third slot (18). The top frame (20) is engaged with the top of the outer frame (3) through the third slot (18) and the third block (23).

5. A speaker horn according to claim 4, characterized in that: The top of the horn body (1) is provided with a sealing groove (19), and the bottom of the docking frame (21) is fixedly connected with a sealing ring (24) that matches the sealing groove (19), and the sealing ring (24) covers the inside of the sealing groove (19).

6. The speaker horn of claim 1, wherein: A reinforcing plate (4) is fixedly connected to the inner wall of the outer frame (3). The reinforcing plate (4) is triangular in shape, and one side of the reinforcing plate (4) is fixedly connected to the outer wall of the horn body (1).

7. The speaker horn of claim 1, wherein: A protective frame (5) is fixedly connected to the outer side of the horn body (1). A positioning block (6) is fixedly connected to the inner side of the protective frame (5) and the outer side of the outer frame (3). The bottom end of the positioning block (6) is provided with a positioning hole.

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