Electrical connector sealing structure

Abstract

The utility model provides an electrical joint sealing structure, which comprises a shell, a connecting assembly and an outer shell, the shell comprises a connecting end, a contact pin is arranged in the shell and extends out of the connecting end, a groove is arranged on the outer wall of the shell, the connecting assembly is of an annular structure and is arranged in the corresponding groove, and a sealing piece is arranged between the connecting assembly and the groove. A groove is formed in the outer wall of the shell, the outer shell and the shell body are connected through the connecting assembly, a plurality of protruding blocks are arranged on the inner wall of the connecting assembly, a sealing gap is formed between the connecting assembly and the groove, and the sealing gap is filled with the sealing piece. And a multi-sealing effect is achieved. According to the design, the problems of air leakage, water leakage and the like are effectively prevented, due to buffering and sealing of the sealing piece between the connecting assembly and the groove, the sealing performance problem caused by inconsistent expansion coefficients of materials is effectively solved, and the overall sealing performance of the electrical connector is improved.

Description

Technical Field

[0001] This utility model relates to the field of sensor equipment, and in particular to an electrical connector sealing structure. Background Technology

[0002] Sensor products mainly consist of a pressure measurement interface, housing, pressure sensing core, and electrical connectors. Currently, electrical connectors are mostly assembled using methods such as crimping, welding, and press-fitting, while other components are assembled using welding. Since the sensor connects to the user end via electrical connectors, different operating conditions place different requirements on these connectors. Therefore, the IP protection rating of the entire product not only places high demands on the installation method of the electrical connectors but also on the connectors themselves. At low temperatures, existing technologies suffer from poor sealing due to inconsistent coefficients of thermal expansion of the materials. Utility Model Content

[0003] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide an electrical connector sealing structure to solve the technical problem that the sealing structure in the prior art is prone to poor sealing due to the inconsistent expansion coefficient of the materials themselves.

[0004] To achieve the above and other related objectives, this utility model provides an electrical connector sealing structure, including a housing, the housing including a connecting end, a pin provided inside the housing, the pin extending from the connecting end, and a groove provided on the outer wall of the housing, the groove surrounding the connecting end;

[0005] A connecting component, wherein the connecting component is a ring structure, the connecting component is disposed in the corresponding groove, and a sealing element is provided between the connecting component and the groove;

[0006] The outer casing is connected to the housing via a connecting assembly;

[0007] The inner wall of the connecting component is provided with a plurality of protrusions, and a sealing gap is formed between the connecting component and the groove, and the sealing element is filled in the sealing gap.

[0008] The advantages of the above technical solution are that by setting a groove on the outer wall of the housing and placing the annular connecting component within the groove, the contact area is increased by the protruding block, and in conjunction with the sealing element, multiple sealing effects can be achieved. This design effectively prevents problems such as air leakage and water leakage. Due to the buffering and sealing effect of the sealing element between the connecting component and the groove, the sealing performance problem caused by the inconsistency of the material's own coefficient of expansion is effectively solved, thus improving the overall sealing performance of the electrical connector.

[0009] Optionally, the connecting assembly includes a welding ring and a limiting ring, the limiting ring being disposed on the inner wall of the welding ring, the limiting ring being located within the groove, and the sealing gap being formed between the limiting ring and the groove.

[0010] Optionally, the connecting assembly includes a connecting cylinder, either end of which is connected to the welding ring, and the outer diameter of the connecting cylinder is smaller than the outer diameter of the welding ring.

[0011] Optionally, a filling channel is provided between the connecting cylinder and the housing, the filling channel is connected to the sealing gap, the sealing element is potting compound, and the sealing element is filled in the filling channel and the sealing gap.

[0012] Optionally, the sealing element is provided on the end face of the pin extending from the connection end.

[0013] Optionally, both the connecting cylinder and the welding ring are made of metal, and the connecting cylinder and the welding ring are integrally formed.

[0014] Optionally, the limiting ring is made of plastic and is injection molded onto the welding ring.

[0015] Optionally, the connecting assembly is welded to the housing.

[0016] Optionally, all of the protrusions are integrally formed with the connecting assembly.

[0017] Optionally, all the protrusions are equidistantly disposed on the inner wall of the limiting ring.

[0018] As described above, the electrical connector sealing structure of this utility model has the following beneficial effects: by setting a groove on the outer wall of the housing and placing the annular connecting component within the groove, the contact area is increased by the protruding block, and in conjunction with the sealing element, multiple sealing effects can be achieved. This design effectively prevents problems such as air leakage and water leakage. Due to the buffering and sealing effect of the sealing element between the connecting component and the groove, the sealing performance problem caused by the inconsistency of the material's own coefficient of expansion is effectively solved, thus improving the overall sealing performance of the electrical connector. Attached Figure Description

[0019] Figure 1 The diagram shown is a structural schematic diagram of one embodiment of the present invention;

[0020] Figure 2 The diagram shown is a schematic diagram of the connection component structure in one embodiment of the present invention.

[0021] Part Number Explanation

[0022] 1. Shell

[0023] 101 Connector

[0024] 2 pins

[0025] 3. Connecting components

[0026] 301 Connecting cylinder

[0027] 302 welding ring

[0028] 303 Limiting Ring

[0029] 4. Potting compound

[0030] 5. Outer shell Detailed Implementation

[0031] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.

[0032] Please see Figures 1 to 2 It should be noted that the illustrations provided in this embodiment are merely schematic representations of the basic concept of this utility model. The illustrations only show components relevant to this utility model and are not drawn according to the actual number, shape, and size of the components in implementation. In implementation, the form, quantity, and proportion of each component can be arbitrarily changed, and the component layout may also be more complex. The structures, proportions, sizes, etc., shown in the accompanying drawings are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in this specification are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.

[0033] Please see Figures 1 to 2 As shown, this utility model provides an electrical connector sealing structure, comprising:

[0034] The housing 1 includes a connecting end 101, wherein the housing 1 is cylindrical, the connecting end 101 is located at one end of the housing 1 and is used for sealing, and a pin 2 is provided inside the housing 1, the pin 2 extending out from inside the housing 1. The electrical connector sealing structure also includes a connecting assembly 3, and a groove is provided on the outer wall of the housing 1, the groove surrounding the connecting end 101.

[0035] The connecting component 3 has a ring structure and is disposed in the corresponding groove. A sealing element is provided between the connecting component 3 and the groove.

[0036] The outer casing 5 is connected to the housing 1 via a connecting component 3;

[0037] The inner wall of the connecting component is provided with a plurality of protrusions, and a sealing gap is formed between the connecting component and the groove, and the sealing element is filled in the sealing gap.

[0038] It should also be noted that by setting a groove on the outer wall of the housing 1 and placing the annular connecting component 3 within the groove, in conjunction with the sealing element, a multiple sealing effect is achieved. This design effectively prevents problems such as air leakage and water leakage, and improves the overall sealing performance of the electrical connector.

[0039] Furthermore, the presence of multiple protrusions increases the contact area between the limiting ring and adjacent components such as the connecting cylinder or welding ring. All of these protrusions are arranged in a wave-like pattern on the connecting assembly 3, which helps to improve the stability and reliability of the connection. The wave-like structure can compensate for minor errors in the manufacturing or assembly process to a certain extent, ensuring a good seal between the limiting ring and adjacent components, preventing gas or liquid leakage. When subjected to external forces, the wave-like limiting ring can absorb and disperse impact energy, playing a buffering role and protecting adjacent components from damage.

[0040] It should also be noted that all the protrusions are integrally formed with the connecting assembly, and all the protrusions are equidistantly arranged on the inner wall of the limiting ring.

[0041] Furthermore, the connection between the connecting component 3 and the housing 5 can be designed to facilitate easy installation and disassembly, such as using threaded connections or snap-fit ​​connections. This allows for faster and more convenient assembly of the sealing structure during electrical connector installation, improving installation efficiency.

[0042] For example, the connecting component 3 includes a welding ring 302 and a limiting ring 303. The limiting ring 303 is disposed on the inner wall of the welding ring 302 and is located in the groove. The sealing gap is formed between the limiting ring 303 and the groove.

[0043] It should also be noted that the limiting ring 303 can limit the welding ring 302 or other connected components to prevent them from moving or tilting excessively during operation, thereby enhancing the stability of the entire connection assembly. The presence of the sealing gap allows for a certain degree of deformation and adaptation, which helps to maintain the seal when the connection assembly is subjected to pressure or temperature changes.

[0044] Furthermore, the limiting ring 303 can also serve as a buffer and shock absorber, protecting the welding ring 302 and other connected components from impacts and vibrations.

[0045] For example, the connecting component 3 includes a connecting cylinder 301, one end of which is connected to the welding ring 302, and the outer diameter of the connecting cylinder 301 is smaller than the outer diameter of the welding ring 302.

[0046] It should also be noted that the outer diameter of the connecting cylinder 301 is smaller than the outer diameter of the connecting component 3 in order to reduce the overall size. This can reduce the space occupied by the entire connecting component while maintaining the connection function, making the whole structure more compact.

[0047] For example, a filling channel is provided between the connecting cylinder 301 and the housing 1, the filling channel is connected to the sealing gap, the sealing element is potting compound 4, and the sealing element is filled in the filling channel and the sealing gap.

[0048] It should also be noted that by connecting the filling channel with the sealing gap, sealing media such as lubricating oil and sealing fluid can be introduced. These media can fill and seal the tiny gap between the connecting cylinder and the shell, preventing leakage of external media or internal fluids. Between rotating or sliding parts, the sealing media can play a lubricating role, reducing friction and wear between parts and extending the service life of the equipment. The design of the filling channel helps to balance the pressure difference between the connecting cylinder and the shell, preventing seal failure caused by uneven pressure.

[0049] For example, the end face of the pin 2 extending from the connection end 101 is provided with the sealing element, which is potting compound 4.

[0050] It should also be noted that the potting compound 4 can tightly fill the tiny gaps between the pin and the housing, effectively preventing the infiltration of external gases or liquids and improving the overall sealing performance. Through the fixing effect of the potting compound 4, the connection between the pin and the housing is more stable, reducing the risk of loosening or falling off due to vibration or external force. The potting compound 4 can also provide a certain degree of protection for the exposed parts of the pin, preventing them from being corroded, worn or mechanically damaged, and extending the service life of the pin. The potting compound 4 usually has good insulation properties, which can ensure electrical isolation between the pin and the housing and between the pin and the external circuit, improving the safety and reliability of the electrical connector.

[0051] For example, both the connecting cylinder 301 and the welding ring 302 are made of metal, and the connecting cylinder 301 and the welding ring 302 are integrally formed.

[0052] It should also be noted that the metal connecting cylinder 301 and welding ring 302 have high strength and hardness, and can withstand greater external forces and pressures, ensuring the stability and durability of the electrical joint under harsh working conditions.

[0053] For example, the limiting ring 303 is made of plastic and is injection molded onto the welding ring 302.

[0054] It should also be noted that the plastic retaining ring injected onto the welding ring can limit the range of motion of the connecting component, ensuring that the connecting component works in the predetermined position and angle. The tight fit between the plastic retaining ring and the welding ring can enhance the fixation of the connecting component and prevent the connecting component from loosening or falling off during operation.

[0055] For example, the connecting component 3 is welded to the housing 5.

[0056] It should also be noted that the welding connection ensures a strong connection between the connecting component 3 and the outer shell 5, with high connection strength, and can withstand greater external forces and pressures. The welding connection enables a seamless connection between the connecting component 3 and the outer shell 5, effectively preventing the infiltration of external gases or liquids and improving the overall sealing performance.

[0057] In summary, the electrical connector sealing structure of this utility model achieves multiple sealing effects by setting a groove on the outer wall of the housing 1 and placing the annular connecting component 3 within the groove, in conjunction with the sealing element. This design effectively prevents problems such as air and water leakage. Due to the buffering and sealing effect of the sealing element between the connecting component and the groove, the sealing performance problem caused by the inconsistency of the material's own expansion coefficient is effectively solved, thus improving the overall sealing performance of the electrical connector.

[0058] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. An electrical joint seal structure, characterized by, The utility model relates to a connector, which comprises: a shell comprising a connecting end, a pin provided in the shell and extending from the connecting end, and a groove provided on the outer wall of the shell and surrounding the connecting end; a connecting assembly in the form of a ring provided in the corresponding groove, and a sealing member provided between the connecting assembly and the groove; an outer shell connected to the shell through the connecting assembly; an inner wall of the connecting assembly is provided with a plurality of protruding blocks, a sealing gap is formed between the connecting assembly and the groove, and the sealing member is filled in the sealing gap.

2. An electrical joint seal according to claim 1, wherein: The connecting assembly comprises a welding ring and a limiting ring provided on the inner wall of the welding ring, the limiting ring is located in the groove, and the limiting ring and the groove form the sealing gap.

3. An electrical joint seal according to claim 2, wherein: The connecting assembly comprises a connecting cylinder, either end of the connecting cylinder is connected to the welding ring, and the outer diameter of the connecting cylinder is smaller than that of the welding ring.

4. An electrical joint seal according to claim 3, wherein: A filling flow channel is provided between the connecting cylinder and the shell, the filling flow channel is communicated with the sealing gap, the sealing member is a pouring sealant, and the sealing member is filled in the filling flow channel and the sealing gap.

5. An electrical joint seal according to claim 4, wherein: The pin extending from the connecting end is also provided with the sealing member.

6. An electrical joint seal according to claim 5, wherein: The connecting cylinder and the welding ring are both made of metal, and the connecting cylinder and the welding ring are integrally formed.

7. An electrical joint seal according to claim 6, wherein: The limiting ring is made of plastic, and the limiting ring is injection molded on the welding ring.

8. An electrical joint seal according to claim 7, wherein: The connecting assembly is welded to the outer shell.

9. An electrical joint seal according to claim 8, wherein: All the protruding blocks are integrally formed with the connecting assembly.

10. An electrical joint seal according to claim 9, wherein: All the protruding blocks are equidistantly arranged on the inner wall of the limiting ring.

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