Sealing structure of special-shaped sound cavity
By using the splicing design of the upper and lower shell components, combined with the fixing of protruding bones, grooves, buckles and screws, the problem of poor sealing of the sound cavity of irregularly shaped speakers is solved, achieving efficient assembly and good airtightness, improving sound quality and reducing production costs.
Patent Information
- Application Number
- CN202422869269.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-25
AI Technical Summary
In the existing technology, the uniquely shaped speaker cavity design has problems such as poor sealing, low production efficiency and high cost. In particular, when using irregular silicone rings or foam, it is difficult to achieve good airtightness and sound quality performance.
The design employs an upper and lower shell assembly, which is pre-fixed by the cooperation of protruding bones and grooves and the positioning of male and female clips. Combined with the connection of fixing screws and the filling with adhesive, it achieves efficient sealing of irregularly shaped acoustic chambers.
It improves the assembly efficiency and airtightness of irregularly shaped sound cavities, enhances the sealing effect of the speaker box, improves sound quality, and reduces production costs.
Smart Images

Figure CN223528163U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sealing structure of special-shaped sound cavity belongs to the technical field of sound box. BACKGROUND
[0002] With the improvement of living standards, people use sound boxes more and more, and the appearance and sound quality of sound boxes are also higher and higher, and good sound quality requires high size and air tightness of sound cavity, and people gradually abandon regular sound boxes in the pursuit of individuality, so as to select some sound boxes with unique modeling, however, for the sound box with unique modeling, in order to ensure the sealing performance of the sound cavity, some unfriendly space is abandoned in the design of the sound cavity, the modeling of the sound cavity is made regular, the sound cavity is sealed by regular silica gel ring or bubble cotton, but the volume of the sound cavity is not maximized, and the sound quality cannot be well reflected, in order to match the sound box with unique modeling, the sound cavity is designed into irregular shape, the sealing surface of the sound cavity is not in the same plane, and the sound cavity is sealed by irregular silica gel ring or bubble cotton, so the production efficiency is low, the cost is high, and the sealing effect is poor, therefore, the utility model is provided. CONTENT OF UTILITY MODEL
[0003] The utility model discloses a sealing structure of special-shaped sound cavity, which has the advantages of high assembly efficiency and good air tightness, and the installation of the sealing structure can be completed by mutually splicing the upper shell assembly and the lower shell assembly, positioning and pre-fixing can be carried out by matching the convex bone with the groove and the male buckle with the female buckle, and fixing is carried out through the fixing screw, so that the user can conveniently assemble, and the air tightness is improved by filling the groove with glue.
[0004] The utility model discloses a sealing structure of special-shaped sound cavity, which has the advantages of high assembly efficiency and good air tightness, and the installation of the sealing structure can be completed by mutually splicing the upper shell assembly and the lower shell assembly, positioning and pre-fixing can be carried out by matching the convex bone with the groove and the male buckle with the female buckle, and fixing is carried out through the fixing screw, so that the user can conveniently assemble, and the air tightness is improved by filling the groove with glue.
[0005] Further, in order to facilitate the plastic sound cavity upper shell clamped on the plastic sound cavity lower shell, the upper shell assembly comprises a plastic sound cavity upper shell, the lower end of the plastic sound cavity upper shell is provided with a convex bone in a whole circle, and the lower end of the plastic sound cavity upper shell is provided with a male buckle on four sides.
[0006] Further, in order to limit the plastic sound cavity upper shell, thereby reducing the occurrence of misplacement, the lower shell assembly comprises a plastic sound cavity lower shell, the upper end of the plastic sound cavity lower shell is provided with a groove in a whole circle, and the inside of the plastic sound cavity lower shell is provided with a female buckle on four sides.
[0007] Further, in order to improve the sealing, thereby improving the sound quality, the convex bone and the groove are matched with each other, and the gap between the convex bone and the groove is a point glue filling area, and the male buckle and the female buckle are buckled with each other.
[0008] Further, in order to improve the volume of the sound cavity, so that a larger sound cavity is placed under the premise of a certain volume of the sound box, the left and right side parts of the plastic sound cavity lower shell are moved downward to form a bevel transition, the left upper corner sealing surface of the plastic sound cavity lower shell is provided with a turning edge in a void position, and the right lower corner of the plastic sound cavity lower shell is widened inward.
[0009] The technical effects and advantages of the utility model are as follows: the upper shell assembly and the lower shell assembly are mutually spliced to complete the installation of the sealing structure, the convex bone and the groove and the male buckle and the female buckle are matched to position and pre-fix, and the fixed screws are used for fixing, so that the user can conveniently assemble, and the groove is filled with point glue, and the air tightness is improved. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a whole structure schematic view of the utility model;
[0011] Figure 2 It is a whole structure explosion view of the utility model;
[0012] Figure 3 It is a structure schematic view of the lower shell assembly in the utility model;
[0013] Figure 4 It is a structure schematic view of the upper shell assembly in the utility model;
[0014] Figure 5 It is a whole structure half-sectional view of the utility model;
[0015] Figure 6 It is Figure 5 It is an enlarged view of A in the middle;
[0016] As shown in the figure, the utility model discloses a seal structure of special-shaped sound cavity, including upper shell subassembly 1 and lower shell subassembly 2, upper shell subassembly 1 is located at the top of lower shell subassembly 2, and high sound loudspeaker 3 and bass loudspeaker 4 are installed at the both ends of one side of upper shell subassembly 1 respectively, the inside lower end of lower shell subassembly 2 is provided with diaphragm 5, and the lower end of lower shell subassembly 2 is provided with fixed screw 6 at three edge positions, the upper end of fixed screw 6 is screwed with upper shell subassembly 1 through lower shell subassembly 2, in use, first, diaphragm 5 is installed on lower shell subassembly 2, then high sound loudspeaker 3 and bass loudspeaker 4 are installed on upper shell subassembly 1, then glue is applied in the recess of lower shell subassembly 2, thereby improving the sealing property, then upper shell subassembly 1 and lower shell subassembly 2 are assembled together, then are connected and fixed through fixed screw 6, thereby completing the assembly. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0018] Please refer to Figures 1-6 As shown in the figure, the utility model discloses a seal structure of special-shaped sound cavity, including upper shell subassembly 1 and lower shell subassembly 2, upper shell subassembly 1 is located at the top of lower shell subassembly 2, and high sound loudspeaker 3 and bass loudspeaker 4 are installed at the both ends of one side of upper shell subassembly 1 respectively, the inside lower end of lower shell subassembly 2 is provided with diaphragm 5, and the lower end of lower shell subassembly 2 is provided with fixed screw 6 at three edge positions, the upper end of fixed screw 6 is screwed with upper shell subassembly 1 through lower shell subassembly 2, in use, first, diaphragm 5 is installed on lower shell subassembly 2, then high sound loudspeaker 3 and bass loudspeaker 4 are installed on upper shell subassembly 1, then glue is applied in the recess of lower shell subassembly 2, thereby improving the sealing property, then upper shell subassembly 1 and lower shell subassembly 2 are assembled together, then are connected and fixed through fixed screw 6, thereby completing the assembly.
[0019] The upper shell assembly 1 includes a plastic sound cavity upper shell 101, the lower end of which is provided with a convex bone 102, and the lower end of the plastic sound cavity upper shell 101 is provided with a male buckle 103 on the four sides. The lower shell assembly 2 includes a plastic sound cavity lower shell 201, the upper end of which is provided with a groove 202, and the inside of the plastic sound cavity lower shell 201 is provided with a female buckle 203 on the four sides. The convex bone 102 and the groove 202 cooperate with each other, and the gap between the convex bone 102 and the groove 202 is a glue filling area. The male buckle 103 and the female buckle 203 are buckled with each other. In use, the plastic sound cavity upper shell 101 in the upper shell assembly 1 is provided with a convex bone 102 at the lower end, and the plastic sound cavity lower shell 201 in the lower shell assembly 2 is provided with a groove 202 at the corresponding position. When the plastic sound cavity upper shell 101 and the plastic sound cavity lower shell 201 are closed, the convex bones 102 can be accurately inserted into the corresponding grooves 202, forming a preliminary positioning effect, ensuring good alignment between the two parts. At the same time, the male buckle 103 and the female buckle 203 are specially provided on each side edge. When the assembly is completed, they will be buckled together to provide additional fixing force to prevent accidental separation or loosening. In order to further improve the sealing effect and structural stability, a space for injecting glue is reserved between the convex bone 102 and the groove 202. By applying an appropriate amount of adhesive or other sealing material to this area, small gaps that may exist can be effectively filled, thereby achieving better waterproof and dustproof purposes, and also increasing the bonding force between parts.
[0020] The left and right side parts of the plastic sound cavity lower shell 201 are lowered to form a bevel 204, the left upper corner sealing surface of the plastic sound cavity lower shell 201 is provided with a turning edge 205, and the right lower corner of the plastic sound cavity lower shell 201 is widened inward to form a widening surface 206. In use, the plastic sound cavity lower shell 201 is transitioned by lowering the left and right side parts to form a bevel 204, achieving a smoother appearance design and better hand feeling. The left upper corner sealing surface is provided with a turning edge 205 to help improve the sealing performance and prevent dust and moisture from entering. The right lower corner is widened inward to form a widening surface 206, which increases the structural strength and provides more installation space for internal components.
[0021] The utility model discloses a plastic piece sound cavity upper shell 101 in upper shell subassembly 1 is set with convex bone 102 in its lower end whole circle, and the plastic piece sound cavity lower shell 201 in lower shell subassembly 2 is set with recess 202 in the corresponding position, when the plastic piece sound cavity upper shell 101 and the plastic piece sound cavity lower shell 201 close, these convex bones 102 can be accurately inserted into the recess 202 of corresponding, form the primary positioning effect, guarantee the good alignment between two parts, and still specially set male buckle 103 and female buckle 203 in every side, when assembling is completed, they will mutually buckle together, provide additional fixing force, prevent accidental separation or slack, in order to further promote sealing effect and structural stability, the space specially used for injecting glue is reserved between the clearance of convex bone 102 and recess 202, through the adhesion or other sealing material of adding proper amount to this area, can effectively fill the small gap that can exist, thereby reach better waterproof, dustproof purpose, and also increase the binding force between parts.
[0022] It is obvious to a person skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0023] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.
Claims
1. A sealing structure of a heterophonic cavity, comprising an upper shell assembly (1) and a lower shell assembly (2), characterized in that: The upper shell assembly (1) is located above the lower shell assembly (2), one side of the upper shell assembly (1) is respectively provided with a high pitch loudspeaker (3) and a low pitch loudspeaker (4), the inside lower end of the lower shell assembly (2) is provided with a diaphragm (5), the lower end of the lower shell assembly (2) is provided with a fixed screw (6) at three edge positions, the upper end of the fixed screw (6) is screwed with the upper shell assembly (1) through the lower shell assembly (2).
2. The seal structure for a heterophonic cavity as claimed in claim 1, wherein: The upper shell assembly (1) comprises a plastic sound cavity upper shell (101), the lower end of the plastic sound cavity upper shell (101) is provided with a convex bone (102) in a whole circle, and the lower end of the plastic sound cavity upper shell (101) is provided with a male buckle (103) on four sides.
3. The seal structure for a heterophonic cavity as claimed in claim 2, wherein: The lower shell assembly (2) comprises a plastic sound cavity lower shell (201), the upper end of the plastic sound cavity lower shell (201) is provided with a groove (202) in a whole circle, and the inside of the plastic sound cavity lower shell (201) is provided with a female buckle (203) on four sides.
4. The seal structure for a heterophonic cavity as claimed in claim 3, wherein: The convex bone (102) and the groove (202) are matched with each other, the gap between the convex bone (102) and the groove (202) is a glue filling area, and the male buckle (103) and the female buckle (203) are buckled with each other.
5. The seal structure for a heterophonic cavity as claimed in claim 2, wherein: The high pitch loudspeaker (3) and the low pitch loudspeaker (4) are installed on one side outside the plastic sound cavity upper shell (101).
6. The seal structure of a heterophonic cavity as claimed in claim 3, wherein: The left and right sides of the plastic sound cavity lower shell (201) are partially lowered to be bevels (204), the left upper corner sealing surface of the plastic sound cavity lower shell (201) is provided with a turning edge (205) at an avoidance position, and the right lower corner of the plastic sound cavity lower shell (201) is inwardly widened (206).