CN213184721U

CN213184721U - Waterproof terminal structure

Info

Publication number: CN213184721U
Application number: CN202022429110.3U
Authority: CN
Inventors: 吕荣通
Original assignee: Dong Guan Lianda Precision Product Co ltd
Current assignee: Dong Guan Lianda Precision Product Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-05-11
Anticipated expiration: 2030-10-27

Abstract

The utility model provides a waterproof terminal structure, which comprises an outer conductor provided with a hollow inner cavity, wherein a sleeve, an insulator and an inner conductor are nested in the hollow inner cavity from outside to inside in a multilayer manner, a first step matched with the hollow inner cavity is arranged on the sleeve, a second step matched with the first step is arranged in the hollow inner cavity, and the sleeve is stably arranged in the hollow inner cavity by means of the matching of the first step and the second step; the outer surface of the outer conductor is convexly provided with a convex part, one end of the outer conductor at the convex part is connected with a shell matched with the male terminal structure, a first waterproof structure is arranged between the outer conductor and the shell and is positioned on the outer conductor, and the first waterproof structure is used for sealing the waterproof terminal structure when the waterproof terminal structure is matched with the male terminal structure. The utility model discloses a waterproof terminal structure, the structure is firm, waterproof performance is good.

Description

Waterproof terminal structure

Technical Field

The utility model relates to an electron device technical field especially relates to a waterproof terminal structure.

Background

At present, the camera can all be installed to most cars, can often contact with water to the camera of installing outside the car to need to have higher waterproof performance. The existing cameras mostly have good waterproof performance, and terminal assemblies connected with the cameras also need to improve the waterproof performance so as to ensure the normal work of the cameras. In the prior art, most cameras affect the work of the cameras due to poor waterproof performance of a terminal structure for data transmission.

Therefore, a waterproof terminal structure with good waterproof performance and stable structure is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof terminal structure that waterproof performance is good, the structure is firm.

In order to achieve the purpose, the utility model provides a waterproof terminal structure, which comprises an outer conductor provided with a hollow inner cavity, a sleeve, an insulator and an inner conductor which are nested from outside to inside in the hollow inner cavity in a multilayer manner, wherein the sleeve is provided with a first step matched with the hollow inner cavity; the outer surface of the outer conductor is convexly provided with a convex part, one end of the outer conductor at the convex part is connected with a shell matched with the male terminal structure, a first waterproof structure is arranged between the outer conductor and the shell and is positioned on the outer conductor, and the first waterproof structure is used for sealing the waterproof terminal structure when the waterproof terminal structure is matched with the male terminal structure.

Compared with the prior art, the utility model discloses a waterproof terminal structure includes that the multilayer is nested sets up sleeve, insulator and the inner conductor in outer conductor. The sleeve, the insulator and the inner conductor are all disposed in the hollow interior of the outer conductor. Be provided with on the sleeve with cavity inner chamber complex first step, be provided with in the cavity inner chamber with first step complex second step, through the cooperation of first step and second step for the sleeve is firm installs in the cavity inner chamber, and the structure is more firm. Be provided with the convex part that is used for strengthening the overall structure installation on the outer conductor, the outer conductor is connected with in the one end of convex part with public end terminal structure complex casing, still is provided with first waterproof construction on the outer conductor, is sealed form when making waterproof terminal structure and public end terminal structure cooperation through first waterproof construction, and waterproof performance is better. The utility model discloses a waterproof terminal structure, the structure is firm, waterproof performance is good.

Preferably, the first waterproof structure comprises a first sealing ring, and an installation groove for installing the first sealing ring is formed in the periphery of the outer conductor.

Preferably, the sleeve and the end part matched with the male terminal are provided with a plurality of first elastic arms which are movably connected with the sleeve.

Preferably, one end of the convex part, which is far away from the shell, is provided with a connecting part communicated with the hollow inner cavity, the connecting part is of a hollow structure and is used for mounting a coaxial line, and the coaxial line is positioned in the connecting part and fixedly connected with the inner conductor.

Preferably, the outer conductor is provided with a second waterproof structure at one end far away from the shell, and the end of the outer conductor is sealed by the second waterproof structure.

Preferably, the end of the outer conductor is provided with an installation part matched with the second waterproof structure, the second waterproof structure comprises a second sealing ring and a rivet cover, the second sealing ring is located in the installation part, and the rivet cover is sealed in the installation part.

Preferably, the waterproof structure further comprises an encapsulated waterproof layer wrapped on the outer conductor and the coaxial line, and the outer conductor and the coaxial line are sealed by the encapsulated waterproof layer.

Preferably, the inner conductor is provided with a first boss and a second boss which are matched with the insulator, the first boss and the second boss are of a gradually-changed structure with cross-sectional areas gradually reduced from large to small, and the installation of the inner conductor in the insulator is reinforced by the matching of the first boss and the second boss with the inner surface of the insulator.

Preferably, a groove body for installing the housing is formed in the periphery of the outer conductor, a clamping portion matched with the groove body is arranged on the housing, the groove body is circumferentially arranged on the periphery of the outer conductor, and the clamping portion is clamped with the groove body, so that the housing is detachably installed on the outer conductor.

Preferably, the outer conductor is further provided with a locking groove near the groove body, and the inner surface of the housing is further provided with a locking portion engaged with the locking groove, so that the housing is locked to the outer conductor by the locking portion engaging with the locking groove.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of a waterproof terminal structure according to an embodiment of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 from another angle.

Fig. 3 is a schematic structural view of a waterproof terminal structure according to another embodiment of the present invention.

Fig. 4 is a cross-sectional view of fig. 1.

Fig. 5 is an exploded view of fig. 1.

Fig. 6 is a cross-sectional view of the outer conductor and its internal components of fig. 1.

Fig. 7 is a schematic view of the structure of the outer conductor of fig. 1.

Fig. 8 is a schematic view of the construction of the sleeve of fig. 1.

Fig. 9 is a schematic view of the structure of the insulator of fig. 1.

Fig. 10 is a schematic view of the structure of the inner conductor of fig. 1.

Fig. 11 is a schematic structural view of the housing of fig. 1.

Description of reference numerals:

100. a waterproof terminal structure; 101. a first waterproof structure; 102. a second waterproof structure; 1021. a second seal ring; 1022. a rivet cover; 1023. coating a waterproof layer;

10. a housing; 11. a fastening part; 12. a locking portion; 13. a fitting portion;

20. an outer conductor; 21. a hollow interior cavity; 211. an installation part; 22. a connecting portion; 23. a convex portion; 24. a trough body; 25. mounting grooves; 26. a locking groove; 27. a second step;

30. a sleeve; 31. a first cavity; 32. a first elastic arm; 33. a first step; 34. a third step;

40. an insulator; 41. a second cavity; 42. a fourth step; 43. a fifth step;

50. an inner conductor; 51. a second elastic arm; 52. a first boss; 53. a second boss; 54. welding a groove;

60. a wire assembly; 61. a coaxial line; 62. wire pressing copper pipes.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 6, the present invention provides a waterproof terminal structure 100, which includes an outer conductor 20 having a hollow inner cavity 21, and a sleeve 30, an insulator 40 and an inner conductor 50 nested in the hollow inner cavity 21 from outside to inside in multiple layers. The sleeve 30 is provided with a first step 33 matching with the hollow inner cavity 21, the hollow inner cavity 21 is provided with a second step 27 matching with the first step 33, and the sleeve 30 is stably arranged in the hollow inner cavity 21 by matching the first step 33 and the second step 27. The sleeve 30 may be more securely mounted within the hollow interior 21 of the outer conductor 20 by the abutting engagement of the first step 33 with the second step 27 to limit axial movement of the sleeve 30 within the hollow interior 21. The outer surface of the outer conductor 20 is convexly provided with a convex part 23, one end of the convex part 23 of the outer conductor 20 is connected with the shell 10 matched with the male terminal structure, a first waterproof structure 101 is arranged between the outer conductor 20 and the shell 10, the first waterproof structure 101 is positioned on the outer conductor 20, and the first waterproof structure 101 is used for enabling the waterproof terminal structure 100 to be in a sealing state when being matched with the male terminal structure.

Compared with the prior art, the waterproof terminal structure 100 of the present invention includes the sleeve 30, the insulator 40 and the inner conductor 50 which are nested in multiple layers and are disposed in the outer conductor 20. The sleeve 30, insulator 40, and inner conductor 50 are disposed within the hollow interior 21 of the outer conductor 20. The sleeve 30 is provided with a first step 33 matched with the hollow inner cavity 21, the hollow inner cavity 21 is provided with a second step 27 matched with the first step 33, and the sleeve 30 is stably installed in the hollow inner cavity 21 through the matching of the first step 33 and the second step 27, so that the structure is more stable. Be provided with the convex part 23 that is used for strengthening the overall structure installation on outer conductor 20, outer conductor 20 is connected with in the one end of convex part 23 with public end terminal structure complex casing 10, still is provided with first waterproof construction 101 on outer conductor 20, is sealed form when making waterproof terminal structure 100 and public end terminal structure cooperation through first waterproof construction 101, and waterproof performance is better. The utility model discloses a waterproof terminal structure 100, the structure is firm, waterproof performance is good.

Referring to fig. 4 to 7, in some alternative embodiments, the first waterproof structure 101 includes a first sealing ring, an installation groove 25 for installing the first sealing ring is formed on the outer periphery of the outer conductor 20, and the first sealing ring is disposed in the installation groove 25. When public end terminal structure gets into casing 10 and outer conductor 20 and cooperates, through being provided with first sealing washer on outer conductor 20 for be sealed form between waterproof terminal structure 100 and the public end terminal structure, water-proof effects is better. In some embodiments, a limiting step may be further disposed at an end of the mounting groove 25 close to the coaxial line 61, so as to limit radial movement of the first sealing ring. It can be understood that the axial sliding of the first sealing ring can be prevented by adding the limit step at one side of the mounting groove 25, so that the first sealing ring can be more stably mounted in the mounting groove 25.

Referring to fig. 4 to 11, in some alternative embodiments, the sleeve 30 includes a first cavity 31 for mounting the insulator 40, a plurality of first elastic arms 32 are disposed at an end of the sleeve 30 where the sleeve is mated with the male terminal, the plurality of first elastic arms 32 are movably disposed at the end of the sleeve 30, the number of the first elastic arms 32 may be 5, 6 or 8, and of course, the number of the first elastic arms 32 may be other numbers. The plurality of first elastic arms 32 are arranged, certain elasticity exists among the plurality of first elastic arms 32, the sleeve 30 can be installed in the outer conductor 20, the insulator 40 can be installed in the sleeve 30, and the plugging hand feeling and the holding force of the waterproof terminal structure 100 when the waterproof terminal structure is matched with a male end can be guaranteed. On the other hand, the sleeve 30 further includes an inner step and an outer step, the outer step of the sleeve 30 is a first step 33, and the first step 33 is matched with the second step 27 in the outer conductor 20, so that the sleeve 30 can be stably installed in the hollow inner cavity 21. A third step 34 is also provided in the sleeve 30, the third step 34 cooperates with a fourth step 42 on the insulator 40, and the end of the sleeve 30 abuts against a fifth step 43 on the insulator 40, so that the whole structure is more stable. The insulator 40 is mounted within the sleeve 30 and is provided with a second cavity 41 that cooperates with the inner conductor 50, the inner conductor 50 being mounted within the second cavity 41 of the insulator 40. Wherein, one end of the inner conductor 50 is provided with a second elastic arm 51, and the second elastic arm 51 is in a necking design with a radius gradually reduced from large to small, so that the holding force and the hand feeling of the male end plugging and unplugging are enhanced. A first boss 52 and a second boss 53 are further provided on the outer periphery of the inner conductor 50, and the first boss 52 and the second boss 53 are both in a gradual structure in which the cross-sectional area is gradually reduced from large to small. The mounting of the inner conductor 50 within the insulator 40 is reinforced by the cooperation of the first boss 52 and the second boss 53 with the inner surface of the insulator 40. On the other hand, a welding groove 54 for welding with the coaxial line 61 is further provided at an end of the inner conductor 50 away from the second elastic arm 51, and the welding groove 54 is provided to provide a space for welding between the inner conductor 50 and the coaxial line 61, so as to perform better welding.

Referring to fig. 4, 6 and 7, in some alternative embodiments, the end of the protrusion 23 away from the housing 10 is provided with a connecting portion 22 communicating with the hollow cavity 21, the connecting portion 22 is hollow, the connecting portion 22 is used for mounting a coaxial wire 61, and the coaxial wire 61 is located in the connecting portion 22 and fixedly connected to the inner conductor 50. The hollow cavity 21 is substantially perpendicular to the connecting portion 22, which is an included angle between an axis of the hollow cavity 21 and an axis of the connecting portion 22 of 75 °, 85 °, 90 °, 115 ° and any suitable angle between 75 ° and 115 °. Wherein the sleeve 30, the insulator 40 and the inner conductor 50 are all located in the hollow inner cavity 21, one end of the wire assembly 60 is located in the hollow connecting portion 22 and the coaxial wire 61 of the wire assembly 60 is fixedly connected through the inner conductor 50 of the hollow inner cavity 21. The wire assembly 60 comprises a coaxial wire 61 and a wire pressing copper pipe 62 matched with the coaxial wire 61, and the wire pressing copper pipe 62 of the coaxial wire 61 is stably installed in the second accommodating cavity. It is understood that the hollow inner cavity 21 and the connecting portion 22 are provided to communicate with each other so that the inner conductor 50 and the coaxial wire 61 can be fixedly connected in the inner conductor 50, and the waterproof performance can be increased. The outer conductor 20 may be integrally formed to have a better waterproof property.

Referring to fig. 4 to 7, in some alternative embodiments, a second waterproof structure 102 is disposed at an end of the outer conductor 20 away from the housing 10, and the end of the outer conductor 20 is sealed by the second waterproof structure 102. The end of the outer conductor 20 is provided with a mounting portion 211 matched with the second waterproof structure 102, the second waterproof structure 102 includes a second sealing ring 1021 and a rivet cover 1022, the second sealing ring 1021 is located in the mounting portion 211, and the rivet cover 1022 is packaged in the mounting portion 211. It will be appreciated that a mounting portion 211 is provided at one end of the hollow interior 21 of the outer conductor 20, and may be used to mount a second sealing ring 1021 and a rivet cover 1022 to prevent water or other liquids from entering the hollow interior 21 through a hole near the mounting portion 211 and affecting various components within the outer conductor 20.

Referring to fig. 3, in some alternative embodiments, a protrusion 23 is disposed on the outer conductor 20, the protrusion 23 protrudes out of the outer periphery of the outer conductor 20, the protrusion 23 may be integrally formed with the outer conductor 20, and the protrusion 23 is used for matching and fixing the outer conductor 20 and other components. The housing 10 is mounted on one side of the projection 23, and the connection portion 22 is located on the other side of the projection 23. Specifically, the second waterproof structure 102 may further include an encapsulating waterproof layer 1023, where the encapsulating waterproof layer 1023 is wrapped on an end portion of the outer conductor 20 connected with the coaxial wire 61, and the encapsulating waterproof layer 1023 is used to seal between the outer conductor 20 and the coaxial wire 61. The provision of the encapsulated waterproof layer 1023 prevents water from entering the hollow interior 21 through the gap between the coaxial wire 61 and the outer conductor 20. Can also be provided with a detachable waterproof shell in rubber coating waterproof layer 1023's outside to can further play waterproof role, can also protect each part in the waterproof shell, simple structure, the protecting effect is good.

Referring to fig. 1 to 5 and 11, in some alternative embodiments, a groove 24 for mounting the housing 10 is formed on an outer periphery of the outer conductor 20, and the housing 10 is provided with an engaging portion 11 engaged with the groove 24, so that the housing 10 is detachably mounted on the outer conductor 20 by engaging the engaging portion 11 with the groove 24. Specifically, the groove 24 is circumferentially disposed on the outer periphery of the outer conductor 20, and the engaging portion 11 is located on the inner surface of the housing 10 and can engage with the groove 24 at multiple angles. The housing 10 is further provided with a locking portion 12, the locking portion 12 protrudes from the inner surface of the housing 10, and the outer conductor 20 is provided with a locking groove 26 engaged with the locking portion 12. Wherein, the number of the locking parts 12 may be 1, 2, 3, 4 or more, and the number of the locking grooves 26 may be the same as the number of the locking parts 12. The locking portions 12 are uniformly distributed on the inner surface of the housing 10, the locking grooves 26 are uniformly arranged on one side of the groove body 24, the housing 10 can rotate when the installation position is adjusted, and when the housing 10 rotates to a proper position, the locking portions 12 are clamped in the locking grooves 26, so that the housing 10 is locked on the outer conductor 20. The mounting position of the housing 10 on the outer conductor 20 is a multi-angle adjustable structure, which can better meet the requirement of actual mounting space, and can make the overall matching structure more compact, so that the waterproof terminal structure 100 can better match with the male terminal structure. On the other hand, the housing 10 is further provided with a matching portion 13 that can be locked with the male terminal structure in a snap-fit manner, so that the male terminal structure can be better matched with the waterproof terminal structure 100 of the present invention by means of the matching portion 13.

As shown in fig. 1 to 11, the waterproof terminal structure 100 of the present invention includes a sleeve 30, an insulator 40, and an inner conductor 50, which are nested in multiple layers and disposed inside an outer conductor 20. The sleeve 30, insulator 40, and inner conductor 50 are disposed within the hollow interior 21 of the outer conductor 20. The sleeve 30 has an inner-outer step structure, and can be well matched with the inner cavity of the outer conductor 20 at the outside and firmly matched with the insulator 40 at the inside. The outer surface of the insulator 40 has a double step structure to better fit the sleeve 30, so that the overall structure is more stable. The outer conductor 20 is provided with a convex part 23 for reinforcing the installation of the whole structure, one end of the convex part 23 of the outer conductor 20 is connected with the shell 10 matched with the male terminal structure, and the outer conductor 20 is also provided with a first waterproof structure 101 and a second waterproof structure 102. Through first waterproof construction 101 make waterproof terminal structure 100 be sealed form when cooperating with public end terminal structure, waterproof performance is better. The end of the outer conductor 20 is sealed by the second waterproof structure 102, so that the waterproof performance is better. The utility model discloses a waterproof terminal structure 100, the structure is firm, waterproof performance is good.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims

1. A waterproof terminal structure is characterized by comprising an outer conductor provided with a hollow inner cavity, wherein a sleeve, an insulator and an inner conductor are nested in the hollow inner cavity from outside to inside in a multi-layer manner, a first step matched with the hollow inner cavity is arranged on the sleeve, a second step matched with the first step is arranged in the hollow inner cavity, and the sleeve is stably installed in the hollow inner cavity by means of the matching of the first step and the second step; the outer surface of the outer conductor is convexly provided with a convex part, one end of the outer conductor, which is connected with a shell matched with the male terminal structure, is provided with a first waterproof structure between the outer conductor and the shell, and the first waterproof structure is positioned on the outer conductor, so that the waterproof terminal structure is sealed when matched with the male terminal structure.

2. The waterproof terminal structure according to claim 1, wherein the first waterproof structure includes a first seal ring, and a mounting groove for mounting the first seal ring is formed on an outer periphery of the outer conductor.

3. The watertight terminal structure of claim 1, wherein the end of the sleeve that mates with the male terminal is provided with a plurality of first resilient arms, and the first resilient arms are movably connected to the sleeve.

4. The waterproof terminal structure according to claim 1, wherein a connecting portion communicating with the hollow cavity is disposed at an end of the convex portion away from the housing, the connecting portion is of a hollow structure, and is used for mounting a coaxial wire, and the coaxial wire is located in the connecting portion and is fixedly connected to the inner conductor.

5. The watertight terminal structure according to claim 1, wherein the outer conductor is provided with a second watertight structure at an end thereof away from the housing, and the end of the outer conductor is sealed by the second watertight structure.

6. The waterproof terminal structure according to claim 5, wherein an end portion of the outer conductor is provided with a mounting portion that is fitted with the second waterproof structure, the second waterproof structure includes a second seal ring and a rivet cover, the second seal ring is located in the mounting portion, and the rivet cover is sealed in the mounting portion.

7. The waterproof terminal structure of claim 4, further comprising an encapsulated waterproof layer covering the outer conductor and the coaxial line, wherein the encapsulated waterproof layer seals the outer conductor and the coaxial line.

8. The watertight terminal structure according to claim 1, wherein the inner conductor is provided with a first projection and a second projection which are engaged with the insulator, the first projection and the second projection each have a gradually-changing structure in which a cross-sectional area thereof is gradually reduced, and the engagement of the first projection and the second projection with the inner surface of the insulator reinforces the installation of the inner conductor in the insulator.

9. The waterproof terminal structure according to claim 1, wherein a groove for mounting the housing is formed in the outer periphery of the outer conductor, a locking portion engaged with the groove is formed in the housing, the groove is circumferentially formed in the outer periphery of the outer conductor, and the housing is detachably mounted on the outer conductor by locking the locking portion to the groove.

10. The structure of claim 9, wherein the outer conductor is further provided with a locking groove near the groove, and the inner surface of the housing is further provided with a locking portion engaged with the locking groove, so that the housing is locked to the outer conductor by engaging the locking portion with the locking groove.