Sealing structure and electronic cigarette
By adopting a combined structure of shell, sealing ring and circuit board in electronic products, and using circuit board compression sealing ring to achieve sealing, the problems of high cost of sealing plate materials and complex manufacturing process in the prior art are solved, and efficient and low-cost sealing effect is achieved.
Patent Information
- Application Number
- CN202421893368.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-06
AI Technical Summary
In the existing electronic product sealing structure, the material cost of sealing plates is relatively high, and special molds need to be developed during the manufacturing process, which increases production costs.
Using a combined structure of the shell, sealing ring and circuit board, the sealing of the shell opening is achieved by compressing the circuit board, simplifying the structural design and reducing production costs.
The sealing effect of electronic products is achieved, while reducing production costs, simplifying structural design, and reducing component count, improving production simplicity.
Smart Images
Figure CN223008450U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic products, and particularly relates to a sealing structure and an electronic cigarette. Background Art
[0002] With the development of technology, there are more and more types of electronic products. Due to their own functional reasons, some electronic products have a design requirement for sealing. In the related art, for the sealing of the cavity opening, an annular sealing ring is placed on the periphery of the cavity opening, and then a sealing plate is used to compress the sealing ring to achieve the sealing of the cavity opening. The sealing plate usually adopts structural parts such as plastic, silica gel or metal. These materials have good sealing performance, but the cost of these materials is relatively high, and in order to manufacture these sealing plates, sometimes special molds need to be developed, increasing the production cost. Summary of the Utility Model
[0003] The main purpose of the utility model is to provide a sealing structure and an electronic cigarette, aiming to simplify the structure of the electronic product and reduce the production cost.
[0004] To achieve the above purpose, the sealing structure proposed by the utility model includes:
[0005] A housing, the housing forms a cavity with an opening, and the housing is provided with a receiving groove, and the receiving groove is arranged around the opening;
[0006] A sealing ring, the sealing ring is arranged in the receiving groove; and
[0007] A circuit board, the circuit board covers the receiving groove and is in sealing contact with the sealing ring; the circuit board covers and seals the opening. Brief Description of the Drawings
[0008] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts.
[0009] Figure 1 It is a schematic structural diagram of an embodiment of the sealing structure provided by the present utility model;
[0010] Figure 2 For Figure 1 The exploded structural diagram of the sealing structure in;
[0011] Figure 3 It is a cross-sectional view of the sealing structure.
[0012] Description of the attached reference numerals:
[0013] 1000, sealing structure; 1, housing; 11, cavity; 111, intake passage; 112, connecting passage; 113, exhaust passage; 12, receiving groove; 2, sealing ring; 3, circuit board; 31, through hole; 32, mounting surface; 4, locking member; 5, connecting block; 51, threaded hole.
[0014] The realization, functional features and advantages of the present utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings. Specific embodiments
[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0016] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.
[0017] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, if "and / or" or "and / or" appears throughout the text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution where A and B are satisfied simultaneously. In addition, the technical solutions between the embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.
[0018] The present utility model proposes a sealing structure 1000.
[0019] Please refer to Figures 1 to 3, in an embodiment of the present utility model, the sealing structure 1000 includes a housing 1, a sealing ring 2, and a circuit board 3; the housing 1 forms a cavity 11 with an opening, the housing 1 is provided with a receiving groove 12, and the receiving groove 12 is arranged around the opening; the sealing ring 2 is arranged in the receiving groove 12; the circuit board 3 covers the receiving groove 12 and is in sealing contact with the sealing ring 2; the circuit board 3 covers and seals the opening.
[0020] The circuit board 3 compresses the sealing ring 2, so that both sides of the sealing ring 2 are in contact with the housing 1 and the circuit board 3 respectively, thereby filling the gap between the housing 1 and the circuit board 3 to achieve the sealing of the opening of the housing 1.
[0021] Among them, the housing 1 can be made of metal, plastic or other durable materials. The specific material selection is determined according to the functions and usage scenarios of the electronic products. The size and shape of the housing 1 and the size and shape of the cavity 11 are also determined by the functions and usage scenarios of the electronic products.
[0022] In the technical solution of the present utility model, the circuit board 3 is used to compress the sealing ring 2 to achieve the sealing of the opening of the housing 1. The circuit board 3 is an essential component of the electronic product. In this way, the circuit board 3 can assist in sealing while realizing its own functions, thereby simplifying the structure of the electronic product and reducing the production cost. In addition, such a design can also reduce the number of components and make the production and assembly process more concise. At the same time, the setting of the receiving groove 12 is convenient for the installation and positioning of the sealing ring 2 on the one hand, and can limit the sealing ring 2 during the process of compressing the sealing ring 2 to avoid the displacement of the sealing ring 2, so that the sealing ring 2 can better fill the gap between the housing 1 and the circuit board 3 to achieve sealing.
[0023] Furthermore, in an embodiment of the present utility model, the circuit board 3 is detachably connected to the housing 1. The detachable connection method enables the circuit board 3 to be easily separated from the housing 1, facilitating the maintenance, upgrade or replacement of the circuit board 3. Specifically, the detachable connection between the circuit board 3 and the housing 1 can be achieved by means of snap connection, or a slot can be provided on the circuit board 3 and a plug can be provided correspondingly on the housing 1, and the detachable connection between the circuit board 3 and the housing 1 is realized through an insertion and locking mechanism. At the same time, the compression effect on the sealing ring 2 needs to be ensured when connecting the circuit board 3 and the housing 1, and the sealing ring 2 is compressed by 15% - 20%.
[0024] To ensure the stability of the connection between the circuit board 3 and the housing 1, in an embodiment of the present utility model, please refer to Figures 1 to 3, the circuit board 3 is formed with a plurality of through holes 31, and the housing 1 is formed with a plurality of threaded holes 51. The plurality of threaded holes 51 are arranged around the receiving groove 12; the sealing structure 1000 further includes a plurality of locking members 4. Each locking member 4 passes through a through hole 31 and is screwed with a threaded hole 51. By fixing the circuit board 3 on the housing 1 with the locking members 4, the circuit board 3 can be easily disassembled while providing a stable connection, which is convenient for the maintenance, upgrade or replacement of the circuit board 3. Through the design of the through holes 31 and the threaded holes 51, the circuit board 3 and the housing 1 can be accurately aligned. The connection method of the locking members 4 can adjust the pressure between the circuit board 3 and the housing 1 to a certain extent, that is, the compression degree of the sealing ring 2 can be adjusted, which is beneficial to achieving a better sealing effect. The plurality of threaded holes 51 are arranged around the receiving groove 12, so that there are a plurality of connection points between the circuit board 3 and the housing 1, making the connection between the circuit board 3 and the housing 1 more stable. The number of connection points can be three, four, etc. At the same time, by evenly distributing the connection points, the sealing ring 2 can be evenly compressed, and the sealing effect is better. Among them, the locking member 4 can be a screw of different sizes according to the use requirements.
[0025] It can be understood that in some electronic products, the cavity 11 of the housing 1 may be relatively large. Thus, after the receiving groove 12 is provided on the peripheral side of the opening of the cavity 11, the peripheral side of the receiving groove 12 may have a relatively small solid area, which is not convenient for the connection between the circuit board 3 and the housing 1. For this reason, the sealing structure 1000 further includes at least two connecting blocks 5. Each connecting block 5 is respectively arranged on the outer periphery of the housing 1, and the opening of the cavity 11 is located inside each connecting block 5. The circuit board 3 is detachably connected to each connecting block 5. The connecting block 5 can provide an installation position for the circuit board 3, which is convenient for the circuit board 3 to be connected to the housing 1 and then cover the opening of the cavity 11 to achieve sealing. At the same time, the circuit board 3 is detachably connected to the two connecting blocks 5, making the circuit board 3 easy to disassemble, which is convenient for the maintenance, upgrade or replacement of the circuit board 3. The specific method of the detachable connection refers to the above, and will not be elaborated here. In addition, the connecting block 5 can also provide a positioning point when the housing 1 is installed into other structures, which is convenient for the installation of the housing 1. In this embodiment, please refer to Figures 1 to 3 , according to the actual use requirements, the number of the connecting blocks 5 is two, and the opposite ends of the circuit board 3 are detachably connected to the two connecting blocks 5. In other embodiments, the number of the connecting blocks 5 can also be set to other numbers according to the specific structure of the electronic product to which the sealing structure 1000 is applied, such as three, four, etc. Without affecting the structure of the electronic product, the plurality of connecting blocks 5 are preferably arranged in an annular array on the peripheral side of the housing 1 as much as possible. In this way, after the circuit board 3 is installed, a connection point is formed between each connecting block 5 and the others, and the plurality of connection points can be evenly distributed to evenly compress the sealing ring 2, and the sealing effect is better. Among them, the connecting block 5 can be integrally formed with the housing 1 or connected by bonding or welding. The specific connection method can be selected according to the specific materials and structures of the housing 1 and the connecting block 5.
[0026] Specifically, in an embodiment of the present utility model, please refer to Figures 1 to 3 , at least two through holes 31 are formed in the circuit board 3, and a threaded hole 51 is formed on one side of each connecting block 5 facing the circuit board 3; the sealing structure 1000 further includes at least two locking members 4, and each locking member 4 passes through a through hole 31 and is screwed with a threaded hole 51 to fixedly connect the circuit board 3 and the housing 1. Fixing the circuit board 3 on the housing 1 through the locking member 4 can provide a stable connection while making the circuit board 3 easy to disassemble, facilitating the maintenance, upgrade or replacement of the circuit board 3. Through the design of the through hole 31 and the threaded hole 51, the circuit board 3 and the housing 1 can be accurately aligned, and the connection method of the locking member 4 can adjust the pressure between the circuit board 3 and the housing 1 to a certain extent, that is, the compression degree of the sealing ring 2 can be adjusted, which is beneficial to achieving a better sealing effect.
[0027] Furthermore, in an embodiment of the present utility model, please refer to Figure 2 , one side of each connecting block 5 facing the circuit board 3 is flush with one side of the housing 1 facing the circuit board 3. In this way, after the circuit board 3 is connected to the two connecting blocks 5, the gap between the circuit board 3 and the housing 1 can be minimized, which helps to improve the sealing performance. At the same time, the circuit board 3 and the housing 1 can have a larger contact surface, which is beneficial to reducing stress concentration points and improving the service life of the sealing structure 1000. In addition, it can also make the appearance more neat and beautiful.
[0028] Specifically, in an embodiment of the present utility model, the material of the sealing ring 2 is thermoplastic polyurethane elastomer (TPU); in another embodiment of the present utility model, the material of the sealing ring 2 is thermoplastic elastomer (TPE). These materials can maintain their performance within a large temperature range, have good heat resistance, and are relatively soft, can adapt to different sealing surface shapes, and provide good sealing effects. At the same time, as thermoplastic materials, TPU and TPE are easy to process and form, can be made into the required shape of the sealing ring 2 by methods such as injection molding and extrusion, and have good long-term stability and durability, suitable for long-term use.
[0029] Furthermore, in an embodiment of the present utility model, the material of the circuit board 3 is bakelite. First, bakelite has very high heat resistance and can remain stable in high-temperature environments; second, bakelite has relatively high mechanical strength and can provide good support and protection; third, bakelite can be made into the required shape and size by methods such as machining and forming, and the processing is convenient. Of course, in other embodiments, other materials can also be selected, but when the circuit board 3 is used in this sealing structure 1000 in an electronic cigarette, the material of the circuit board 3 needs to meet the FR-4 grade requirements.
[0030] The present utility model further provides an electronic cigarette, which includes a sealing structure 1000 and a heating tube structure. The specific structure of the sealing structure 1000 refers to the above-mentioned embodiments. Among them, please refer to Figure 3 , in the sealing structure 1000, the cavity 11 of the housing 1 includes an air intake passage 111, a connection passage 112, and an air outlet passage 113 that are sequentially arranged in the housing 1 and communicate in sequence. The air intake passage 111 and the air outlet passage 113 are located on the same side of the connection passage 112, and openings are formed on the inner wall of the connection passage 112 facing the air intake passage 111 and the air outlet passage 113. The heating tube structure is arranged in the air outlet passage 113. Since this electronic cigarette adopts all the technical solutions of the above-mentioned all embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and will not be elaborated here one by one. Among them, the outside air sequentially enters the air outlet passage 113 through the air intake passage 111 and the connection passage 112. At the same time, under the action of the heating tube structure, the e-liquid is heated and mixed with the air and then leaves the air outlet passage 113.
[0031] Furthermore, in an embodiment of the present utility model, please refer to Figure 2 , one side of the circuit board 3 facing away from the connection passage 112 has a mounting surface 32 for mounting electronic components. In this way, the electronic components can be far away from the connection passage 112 and do not directly contact the gas in the connection passage 112, thereby preventing these electronic components from being damaged and extending the service life.
[0032] The above is only an exemplary embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent structural transformation made under the technical concept of the present utility model by using the content of the specification and drawings of the present utility model, or direct / indirect application in other related technical fields is included in the patent protection scope of the present utility model.
Claims
1. A sealing structure, characterized in that: include: A housing, wherein the housing is formed with a cavity having an opening, and the housing is provided with a receiving groove, and the receiving groove is arranged around the opening; A sealing ring, the sealing ring is arranged in the containing groove; as well as A circuit board, wherein the circuit board cover is arranged in the receiving groove and is in sealing contact with the sealing ring; the circuit board covers and seals the opening.
2. The sealing structure according to claim 1, characterized in that: The circuit board is detachably connected to the housing.
3. The sealing structure according to claim 1, characterized in that: The circuit board is formed with a plurality of through holes, the housing is formed with a plurality of threaded holes, and the plurality of threaded holes are arranged around the receiving groove; The sealing structure further comprises a plurality of locking members, each of which passes through one of the through holes and is threadedly connected with one of the threaded holes.
4. The sealing structure according to claim 1, characterized in that: The sealing structure further comprises at least two connection blocks, each of which is respectively arranged on the outer periphery of the shell, the opening of the cavity is located inside each of the connection blocks, and the circuit board is detachably connected to each of the connection blocks.
5. The sealing structure according to claim 4, characterized in that: The circuit board is formed with at least two through holes, and each of the connection blocks is formed with a threaded hole on one side facing the circuit board; The sealing structure further includes at least two locking members, each of which passes through one of the through holes and is screwed to one of the threaded holes to connect and fix the circuit board to the housing.
6. The sealing structure according to claim 4, characterized in that: A surface of each of the connection blocks facing the circuit board is flush with a surface of the housing facing the circuit board.
7. The sealing structure according to any one of claims 1 to 6, characterized in that: The sealing ring is made of thermoplastic polyurethane elastomer or thermoplastic elastomer.
8. The sealing structure according to any one of claims 1 to 6, characterized in that: The material of the circuit board is bakelite.
9. An electronic cigarette, characterized in that: include: A sealing structure according to any one of claims 1 to 8, wherein the cavity comprises an air inlet channel, a connecting channel and an air outlet channel which are sequentially arranged on the shell and connected in sequence, the air inlet channel and the air outlet channel are located on the same side of the connecting channel, and the opening is formed on an inner wall of the connecting channel facing the air inlet channel and the air outlet channel; and A heating pipe structure is arranged in the air outlet channel.
10. The electronic cigarette according to claim 9, characterized in that: The circuit board has a mounting surface on a side facing away from the connecting channel, and the mounting surface is used for mounting electronic components.