A terminal sealing structure

Abstract

This utility model discloses a terminal sealing structure, including a main terminal, a plastic housing, and a sealing element. The main terminal passes through the plastic housing, and a connecting ring is provided at the fixed end of the main terminal. The sealing element is connected to the main terminal and is connected to the outside of the connecting ring. The sealing element is sealed to the inner wall of the plastic housing. This terminal sealing structure improves the fitting accuracy between the terminal and the plastic housing, reduces contact resistance and failure rate, and also completely isolates the internal and external environments of the chassis, preventing moisture and contaminants from entering, thus improving equipment reliability.

Description

Technical Field

[0001] This utility model relates to the field of electronic equipment technology, and specifically to a terminal sealing structure. Background Technology

[0002] In existing technologies, connectors inside electronic device chassis typically employ a structure where terminals directly pass through the plastic housing and are connected to the rear flexible braid. However, insufficient precision in the fit between the terminals and the plastic housing leads to increased contact resistance, easily causing poor contact or even connector burnout. Furthermore, the direct connection between the connector's internal environment and the chassis's internal and external environments allows external moisture, dust, and other contaminants to easily penetrate the chassis, increasing connector contact resistance and accelerating the corrosion or failure of internal components.

[0003] Therefore, a terminal sealing structure is needed to solve the above problems. Utility Model Content

[0004] To overcome the shortcomings of the existing technology, this utility model provides a terminal sealing structure. By adding a sealing structure between the fixed end of the terminal and the plastic housing, the fitting accuracy between the terminal and the plastic housing is improved, the contact resistance and failure rate are reduced, and the internal and external environments of the chassis are completely isolated to prevent moisture and contaminants from entering, thereby improving the reliability of the equipment.

[0005] To address the shortcomings of existing technologies.

[0006] The technical solution adopted by this utility model to solve its technical problem is:

[0007] A terminal sealing structure includes a main terminal, a plastic housing, and a sealing element. The main terminal is disposed inside the plastic housing, and a connecting ring is provided at the fixed end of the main terminal. The sealing element is connected to the main terminal and is connected to the outside of the connecting ring. The sealing element is sealed to the inner wall of the plastic housing.

[0008] As a further improvement to the above technical solution, the fixed end of the main terminal is provided with an inclined section, the connecting ring is provided at one end of the inclined section, and the sealing element is connected to the outside of the inclined section.

[0009] As a further improvement to the above technical solution, the slope angle of the inclined section is set to 15°-45°.

[0010] As a further improvement to the above technical solution, the sealing element is made of elastic rubber or silicone.

[0011] As a further improvement to the above technical solution, the sealing element and the connecting ring are bonded by hot melt bonding.

[0012] As a further improvement to the above technical solution, an installation channel is provided in the middle of the plastic shell, and the main terminal is disposed in the installation channel.

[0013] As a further improvement to the above technical solution, a sealing position is provided at one end of the installation channel, and the sealing element is connected to the sealing position.

[0014] As a further improvement to the above technical solution, the sealing position of the plastic shell is provided with an anti-slip texture.

[0015] The beneficial effects of this utility model are:

[0016] This invention improves the fitting accuracy between the terminal and the plastic housing by adding a sealing structure between the terminal fixing end and the plastic housing, reducing contact resistance and failure rate. It also completely isolates the internal and external environments of the chassis, preventing moisture and contaminants from entering and improving equipment reliability. In addition, the design of a connecting ring at the fixing end of the terminal and anti-slip texture on the plastic housing ensures the stability of the seal during long-term use, significantly improving sealing stability and anti-aging performance. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a cross-sectional schematic diagram of the terminal sealing structure of this utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the main terminal of this utility model;

[0020] Figure 3 This is a cross-sectional structural diagram of the main terminal of this utility model.

[0021] Reference numerals: 1. Main terminal; 11. Inclined section; 2. Plastic housing; 21. Mounting channel; 22. Sealing position; 3. Sealing element; 4. Connecting ring. Detailed Implementation

[0022] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / connections involved in the patent do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. For example, fixed connections / fixed installations can use screw connections, bolt connections, pin connections, key connections, adhesive connections, mortise and tenon connections, welding, riveting, etc., as needed. For detachable connections, screw connections, bolt connections, threaded connections, snap-fit ​​connections, mortise and tenon connections, Velcro connections, etc., can be used as needed. The various technical features in this utility model can be combined interactively without contradicting each other.

[0023] Reference Figure 1 A terminal sealing structure includes a main terminal 1, a plastic housing 2, and a sealing element 3. The main terminal 1 is inserted into the plastic housing 2, and a connecting ring 4 is provided at the fixed end of the main terminal 1. The sealing element 3 is connected to the main terminal 1 and is bonded to the outside of the connecting ring 4. This not only provides a stable bonding foundation for the sealing element 3 but also enhances the connection strength between the main terminal 1 and the sealing element 3. Compared with traditional direct bonding or mechanical fixing, this structure is more stable and easier to operate. Furthermore, the sealing element 3 is sealed to the inner wall of the plastic housing 2. The double sealing design ensures a tight fit between the main terminal 1 and the plastic housing 2, effectively preventing the intrusion of moisture, dust, and other impurities. This structure also improves the fitting accuracy between the main terminal 1 and the plastic housing 2, reducing contact resistance and failure rate.

[0024] Reference Figure 1 , Figure 2 In an embodiment of this utility model, the fixed end of the main terminal 1 is provided with an inclined section 11, the connecting ring 4 is provided at one end of the inclined section 11, and the sealing member 3 is bonded to the outside of the inclined section 11, so that the sealing member 3 can generate sufficient deformation when squeezed to fill the gap between the sealing member 3 and the inner wall of the plastic shell 2, thereby effectively improving the sealing effect.

[0025] In this embodiment, if the slope angle is too small, the deformation of the seal 3 under pressure will be insufficient, which may prevent it from completely filling the gap between the seal 3 and the inner wall of the plastic shell 2, resulting in poor sealing performance. If the slope angle is too large, the seal 3 may deform excessively under pressure, or even break or fall off, which will also affect the sealing performance. Therefore, the slope angle of the inclined section is set to 15°-45°. This angle range can ensure that the seal 3 has sufficient deformation while preventing it from breaking or falling off, thereby ensuring good sealing performance.

[0026] Reference Figure 3 In the embodiments of this utility model, the sealing element 3 is made of elastic rubber or silicone, which has excellent elasticity and can produce significant deformation when squeezed, thereby tightly fitting between the outside of the inclined section 11 and the inner wall of the plastic shell 2 to form an effective sealing layer and improve the sealing effect; at the same time, the good aging resistance of elastic rubber or silicone also ensures the long-term stability of the sealing effect.

[0027] Specifically, the sealing element 3 and the connecting ring 4 are bonded by hot melt bonding, which enhances the connection strength between the main terminal 1 and the sealing element 3, and also ensures a tight fit and stable connection between the sealing element 3 and the inclined section 11, which helps to improve the sealing performance. At the same time, the hot melt bonding method has the characteristics of being fast, efficient and solvent-free, which can effectively shorten the production cycle and improve production efficiency.

[0028] Reference Figure 1 In an embodiment of this utility model, the plastic shell 2 is provided with an installation channel 21 in the middle, the size and shape of which match the main terminal 1, to ensure that the main terminal 1 can be tightly and smoothly inserted into the installation channel 21. At the same time, the inner wall of the installation channel 21 needs to be finely processed and the surface is smooth to reduce friction and wear on the main terminal 1.

[0029] Specifically, one end of the installation channel 21 is provided with a sealing position 22, and the sealing element 3 is connected to the sealing position 22 to ensure that the sealing element 3 is sealed and connected in the designated position to fill the gap between the plastic shell 2 and the main terminal 1, ensuring the sealing performance, while also improving the fitting accuracy between the main terminal 1 and the plastic shell 2, reducing contact resistance and failure rate.

[0030] Specifically, the sealing position 22 of the plastic shell 2 is provided with an anti-slip texture. When the sealing element 3 is connected to the sealing position 22 by hot melt bonding or other means, the anti-slip texture can increase the friction between the sealing element 3 and the sealing position 22, thereby enhancing the stability of the connection.

[0031] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A terminal sealing structure, characterized in that: It includes a main terminal, a plastic housing, and a seal. The main terminal is disposed inside the plastic housing, and a connecting ring is provided at the fixed end of the main terminal. The seal is connected to the main terminal and is connected to the outside of the connecting ring. The seal is sealed to the inner wall of the plastic housing.

2. The terminal sealing structure according to claim 1, characterized in that: The fixed end of the main terminal is provided with an inclined section, the connecting ring is provided at one end of the inclined section, and the sealing element is connected to the outside of the inclined section.

3. The terminal sealing structure according to claim 2, characterized in that: The slope angle of the inclined section is set to 15°-45°.

4. The terminal sealing structure according to claim 1, characterized in that: The seal is made of elastic rubber or silicone.

5. A terminal sealing structure according to claim 1, characterized in that: The sealing element and the connecting ring are bonded by hot melt bonding.

6. A terminal sealing structure according to claim 1, characterized in that: The plastic housing has an installation channel in the middle, and the main terminal is located in the installation channel.

7. A terminal sealing structure according to claim 6, characterized in that: A sealing position is provided at one end of the installation channel, and the sealing element is connected to the sealing position.

8. A terminal sealing structure according to claim 7, characterized in that: The sealing area of ​​the plastic shell is designed with an anti-slip texture.

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