CN217062692U

CN217062692U - Special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation

Info

Publication number: CN217062692U
Application number: CN202122838139.1U
Authority: CN
Inventors: 郝辉; 李红霞; 章嘉豪
Original assignee: Shaanxi Siyan Electronic Technology Co ltd
Current assignee: Shaanxi Siyan Electronic Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-07-26
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation, concretely relates to cable connector technical field, including first casing, first casing and second casing internal surface slidable mounting respectively have first fixing device and second fixing device, first casing and second casing inner chamber respectively and between two dead lever opposite faces respectively annular array fixed mounting have four buffer, four the threaded rod runs through the second casing left end and extends to the right part and be in the same place with first casing threaded connection jointly. A special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation, when external pulling force increases suddenly, through buffer's flexible tensile, cushion external pulling force to the influence of cable joint in the connector, through rubber waterproof layer and two sealing washers, make inside water and dust can't enter into the connector, improved signal transmission's stability.

Description

Special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation

Technical Field

The utility model relates to a cable connector technical field, in particular to special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation.

Background

The Beidou satellite navigation system can provide services such as high-precision, high-reliability positioning and navigation for various users in real time in a global range, people can set a high-precision Beidou receiver on the ground when using the services provided by the Beidou satellite navigation system, and a radio frequency coaxial connector is needed for an antenna for receiving signals on the high-precision Beidou receiver.

The current radio frequency coaxial connector does not have corresponding protective sheath, and some radio frequency coaxial connector's operational environment is outdoor, not only has the interference of dust and the interference of rainwater and when external pulling force is great, because be cup joint structure between conductor and the connector, so cause the axial float of conductor very easily and radially rock the holistic reliability of influence, reduced the transmission intensity of signal.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation, can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a waterproof and dustproof anti-interference radio frequency coaxial connector special for Beidou navigation comprises a first shell, wherein a second shell is movably mounted at the left end of the first shell, a first fixing device and a second fixing device are respectively slidably mounted on the inner surfaces of the first shell and the second shell, fixing rods are respectively movably mounted on the inner surfaces of the first fixing device and the second fixing device, the ends, far away from each other, of the two fixing rods respectively penetrate through the left side wall and the right side wall of the inner surface of the first shell and the second shell and extend to the outside, four buffer devices are respectively fixedly mounted between the inner cavities of the first shell and the second shell and the opposite surfaces of the two fixing rods in an annular array mode, cables are respectively fixedly mounted at the ends, far away from each other, of the two fixing rods, extend to the inner cavities of the first shell and the second shell through the two fixing rods respectively and are jointly and fixedly mounted with two connecting devices, four threaded rods are installed to second casing left end outside annular array screw thread, four the threaded rod runs through the second casing left end and extends to the right part and be in the same place with first casing threaded connection jointly, first fixing device includes the collar, connecting device includes the solid fixed ring of first solid fixed ring sum second.

Preferably, a plurality of first gear teeth are fixedly installed on the outer surface of the installation ring in an annular array mode, and a plurality of second gear teeth are fixedly installed on the inner surface of the installation ring in an annular array mode.

Preferably, a plurality of mounting grooves are formed in the right annular array of the outer surface of the fixing rod, and the shape and the size of the mounting grooves are the same as those of the plurality of second gear teeth.

Preferably, first solid fixed ring left end middle part links together with cable surface fixed, is located the left part cable right-hand member electric connection has the connecting rod, annular groove has been seted up to first solid fixed ring internal surface, the solid fixed ring surface of second is seted up threadedly, the solid fixed ring internal surface of second links together with the cable surface rotation that is located the right part, is located the right part cable left end electric connection has the sleeve.

Preferably, the second casing internal surface circular array is seted up a plurality of spouts, second casing left end middle part is seted up with the communicating fixed slot of second casing inner chamber, the fixed slot internal surface is seted up the mounting hole, the fixed surface installs the sealing washer in the mounting hole, the sealing washer cover is located the dead lever surface middle part.

Preferably, the first shell has the same shape, structure and size as the second shell.

Preferably, buffer includes the shell, shell left end middle part slidable mounting has the stock, the stock right-hand member runs through shell left end middle part and extends to shell inner chamber and fixed mounting has the slider, common fixed mounting has the spring between slider and the shell inner chamber right side wall.

Preferably, a rubber waterproof layer is fixedly arranged between the opposite surfaces of the first shell and the second shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model relates to an optimized the inside structure of connector, run through the one end that two dead levers were kept away from each other and extend to the one end fixed connection back that two dead levers are close to each other respectively with two cables, through the threaded connection between first solid fixed ring and the solid fixed ring of second, with two cable electric connection, through a plurality of first teeth of a cogwheel and between sliding connection, make two cables only can slide on the horizontal direction, when external pulling force increases suddenly, flexible tensile through eight buffer, cushion external pulling force to cable joint's in the connector influence, the problem of the holistic reliability of influence is rocked to conductor axial float and straight has been solved, the stability that cable joint in the connector has improved.

2. The utility model discloses a fixed mounting's rubber waterproof layer and two sealing washers overlap respectively between first casing and second casing opposite face and locate the inseparable laminating between two dead lever surfaces, make external and first casing and second casing inner chamber completely isolated, make inside water and dust can't enter into the connector, solved external water and dust to the problem that produces signal attenuation and short circuit, improved signal transmission's stability.

Drawings

Fig. 1 is a schematic view of a partial cross section of the overall structure of a waterproof and dustproof anti-interference radio frequency coaxial connector special for Beidou navigation;

FIG. 2 is a schematic view of a first fixture;

FIG. 3 is a schematic view of a fixing rod structure;

FIG. 4 is an exploded view of the connection device;

FIG. 5 is a schematic view of a second housing;

FIG. 6 is a schematic view of a partial cross-sectional structure of a buffer device;

fig. 7 is a schematic view of the entire structure.

In the figure: 1. a first housing; 2. a second housing; 22. A chute; 23. mounting holes; 24. fixing grooves; 3. a first fixing device; 31. a mounting ring; 32. a first gear tooth; 33. a second gear tooth; 4. a second fixing device; 5. a fixing rod; 51. mounting grooves; 7. a seal ring; 8. a connecting device; 81. a first retaining ring; 82. a second retaining ring; 83. a connecting rod; 84. a sleeve; 9. a buffer device; 91. a housing; 92. a long rod; 93. a slider; 94. a spring; 10. a cable; 11. a threaded rod.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-7, a waterproof and dustproof anti-interference radio frequency coaxial connector special for Beidou navigation comprises a first shell 1, a second shell 2 is movably installed at the left end of the first shell 1, a first fixing device 3 and a second fixing device 4 are respectively installed on the inner surfaces of the first shell 1 and the second shell 2 in a sliding mode, fixing rods 5 are respectively and movably installed on the inner surfaces of the first fixing device 3 and the second fixing device 4, the ends, far away from each other, of the two fixing rods 5 respectively penetrate through the left side wall and the right side wall of the inner surface of the first shell 1 and the second shell 2 to extend to the outside, four buffer devices 9 are respectively and fixedly installed between the inner cavities of the first shell 1 and the second shell 2 and the opposite surfaces of the two fixing rods 5 in an annular array mode, cables 10 are respectively and fixedly installed at the ends, far away from each other, the two cables 10 respectively penetrate through the two fixing rods 5 to extend to the inner cavities of the first shell 1 and the second shell 2 and are jointly and fixedly installed with two connecting devices 8, four threaded rods 11 are installed on the outer side of the left end of the second shell 2 in an annular array mode through threads, the four threaded rods 11 penetrate through the left end of the second shell 2, extend to the right portion and are connected with the first shell 1 in a threaded mode together, the first fixing device 3 comprises an installation ring 31, and the connecting device 8 comprises a first fixing ring 81 and a second fixing ring 82; a rubber waterproof layer is fixedly arranged between the opposite surfaces of the first shell 1 and the second shell 2.

A plurality of first gear teeth 32 are fixedly arranged on the outer surface of the mounting ring 31 in an annular array manner, and a plurality of second gear teeth 33 are fixedly arranged on the inner surface of the mounting ring 31 in an annular array manner; a plurality of mounting grooves 51 are formed in the right annular array on the outer surface of the fixing rod 5, and the shape and the size of the mounting grooves 51 are the same as those of the second gear teeth 33; the mounting ring 31 is sleeved on the right part of the outer surface of the fixing rod 5 through the movable connection between the second gear teeth 33 fixedly arranged on the inner surface annular array and the mounting groove 51, and if the first gear teeth 32 fixedly arranged on the outer surface annular array of the mounting ring 31 or the second gear teeth 33 fixedly arranged on the inner surface annular array are damaged, the whole mounting ring 31 can be replaced without replacing the whole fixing rod 5.

The middle part of the left end of the first fixing ring 81 is fixedly connected with the outer surface of the cable 10, the right end of the cable 10 positioned at the left part is electrically connected with the connecting rod 83, the inner surface of the first fixing ring 81 is provided with an annular groove, the outer surface of the second fixing ring 82 is provided with threads, the inner surface of the second fixing ring 82 is rotatably connected with the outer surface of the cable 10 positioned at the right part, and the left end of the cable 10 positioned at the right part is electrically connected with the sleeve 84; through the annular groove that the solid fixed ring 81 internal surface was seted up and the screw thread that the solid fixed ring 82 surface of second was seted up and the solid fixed ring 82 internal surface of second and be located the rotation between the cable 10 surface of right part and be connected, during rotatory solid fixed ring 82 of second, threaded connection can be carried out with the solid fixed ring 81 internal surface of second 82, establishes through the cover between sleeve 84 and the connecting rod 83 and is connected, can carry out electric power connection with two cables 10.

A plurality of sliding grooves 22 are formed in the inner surface of the second shell 2 in an annular array mode, a fixing groove 24 communicated with the inner cavity of the second shell 2 is formed in the middle of the left end of the second shell 2, a mounting hole 23 is formed in the inner surface of the fixing groove 24, a sealing ring 7 is fixedly mounted on the inner surface of the mounting hole 23, and the sealing ring 7 is sleeved on the middle of the outer surface of the fixing rod 5; the shape, structure and size of the first shell 1 are the same as those of the second shell 2; the mounting ring 31 is fixed in the second housing 2 by meshing the sliding grooves 22 formed in the second housing 2 with the first gear teeth 32, because the width of the inner surface of the second housing 2 is greater than the height of the mounting ring 31, the mounting ring 31 can slide left and right in the sliding grooves 22, and the contact position between the outer surface of the fixing rod 5 and the outer surface of the fixing groove 24 can be completely sealed and isolated from the outside by the mounting hole 23 formed in the inner surface of the fixing groove 24 and the sealing ring 7 fixedly mounted on the inner surface of the mounting hole 23.

The buffer device 9 comprises a shell 91, a long rod 92 is slidably mounted in the middle of the left end of the shell 91, the right end of the long rod 92 penetrates through the middle of the left end of the shell 91 and extends to the inner cavity of the shell 91 and is fixedly provided with a slide block 93, and a spring 94 is fixedly mounted between the slide block 93 and the right side wall of the inner cavity of the shell 91; when pressure is applied to the rear end of the shell 91, the spring 94 fixedly arranged in the inner cavity of the shell 91 is fixedly connected with the sliding block 93, the left end of the sliding block 93 is fixedly connected with the long rod 92, the spring 94 is compressed, the right end of the long rod 92 slides towards the inner cavity of the shell 91, and the applied pressure is weakened through the spring 94.

It should be noted that the utility model relates to a special waterproof and dustproof anti-interference radio frequency coaxial connector for Beidou navigation, firstly, a cable 10 is penetrated to one end close to each other from one end far away from each other of two fixing rods 5, then the mounting ring 31 is sleeved on the right part of the outer surface of the fixing rod 5 through the movable connection between a plurality of second gear teeth 33 fixedly installed on the inner surface annular array and the mounting groove 51, if the first gear teeth 32 fixedly installed on the outer surface annular array of the mounting ring 31 or the second gear teeth 33 fixedly installed on the inner surface annular array are damaged, the whole mounting ring 31 can be replaced without replacing the whole fixing rod 5, secondly, the two fixing rods 5 fixedly installed with the mounting ring 31 are respectively put into the inner cavities of the first shell 1 and the second shell 2 through the sliding meshing connection between a plurality of first gear teeth 32 fixedly installed on the outer surface of the two mounting rings 31 and a plurality of sliding chutes 22, because the width of the inner surface of the second casing 2 is greater than the height of the mounting rings 31, the two mounting rings 31 can slide left and right in the second casing 2 and the first casing 1 respectively, the mounting holes 23 formed in the inner surface of the fixing groove 24 and the sealing rings 7 fixedly mounted in the inner surfaces of the mounting holes 23 can completely seal the positions where the outer surfaces of the fixing rods 5 contact with the outer surface of the fixing groove 24 and isolate the positions from the outside, the inner surfaces of the second fixing ring 82 and the first fixing ring 81 can be in threaded connection, the two cables 10 can be electrically connected through the sleeve between the sleeve 84 and the connecting rod 83, and then the first casing 1 and the second casing 2 are connected through the four threaded rods 11, so that the whole formed by the inner cavity of the first casing 1 and the inner cavity of the second casing 2 is completely isolated from the outside.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation, includes first casing (1), its characterized in that: first casing (1) left end movable mounting has second casing (2), first casing (1) and second casing (2) internal surface slidable mounting respectively have first fixing device (3) and second fixing device (4), the equal movable mounting of first fixing device (3) and second fixing device (4) internal surface has dead lever (5), two dead lever (5) one end of keeping away from each other runs through first casing (1) and second casing (2) internal surface left side wall and right side wall respectively and extends to the outside, first casing (1) and second casing (2) inner chamber respectively with two dead lever (5) between the opposite face respectively annular array fixed mounting have four buffer (9), two the equal fixed mounting of one end that dead lever (5) kept away from each other has cable (10), two cable (10) run through two dead lever (5) respectively and extend to first casing (1) and second casing (2) inner chamber and common Fixed mounting has two connecting device (8), four threaded rods (11), four are installed to second casing (2) left end outside annular array threaded mounting threaded rod (11) run through second casing (2) left end and extend to the right part and be in the same place with first casing (1) threaded connection jointly, first fixing device (3) are including collar (31), connecting device (8) are including the solid fixed ring of first solid fixed ring (81) and the solid fixed ring of second (82).

2. The special waterproof and dustproof anti-interference radio frequency coaxial connector for Beidou navigation satellite system according to claim 1, is characterized in that: the utility model discloses a mounting ring (31) outer surface annular array fixed mounting has a plurality of first teeth of a cogwheel (32), mounting ring (31) inner surface annular array fixed mounting has a plurality of second teeth of a cogwheel (33).

3. The special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation of claim 2, its characterized in that: a plurality of mounting grooves (51) have been seted up to dead lever (5) surface right part annular array, and a plurality of mounting groove (51) shape size all is the same with a plurality of second teeth of a cogwheel (33).

4. The special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation of claim 1, its characterized in that: first solid fixed ring (81) left end middle part links together with cable (10) surface fixed, is located the left part cable (10) right-hand member electric connection has connecting rod (83), annular groove has been seted up to first solid fixed ring (81) internal surface, the solid fixed ring of second (82) surface is seted up threadedly, the solid fixed ring of second (82) internal surface links together with cable (10) surface rotation that is located the right part, is located the right part cable (10) left end electric connection has sleeve (84).

5. The special waterproof and dustproof anti-interference radio frequency coaxial connector for Beidou navigation satellite system according to claim 4, characterized in that: a plurality of chutes (22) are formed in the annular array on the inner surface of the second shell (2), a fixing groove (24) communicated with the inner cavity of the second shell (2) is formed in the middle of the left end of the second shell (2), a mounting hole (23) is formed in the inner surface of the fixing groove (24), a sealing ring (7) is fixedly mounted on the inner surface of the mounting hole (23), and the middle of the outer surface of the fixing rod (5) is sleeved with the sealing ring (7).

6. The special waterproof and dustproof anti-interference radio frequency coaxial connector for Beidou navigation satellite system according to claim 5, characterized in that: the shape, the structure and the size of the first shell (1) are the same as those of the second shell (2).

7. The special waterproof dirt-proof anti-interference radio frequency coaxial connector of big dipper navigation of claim 1, its characterized in that: buffer (9) include shell (91), shell (91) left end middle part slidable mounting has stock (92), stock (92) right-hand member runs through shell (91) left end middle part and extends to shell (91) inner chamber and fixed mounting has slider (93), common fixed mounting has spring (94) between slider (93) and shell (91) inner chamber right side wall.

8. The special waterproof and dustproof anti-interference radio frequency coaxial connector for Beidou navigation satellite system according to claim 1, is characterized in that: and a rubber waterproof layer is fixedly arranged between the opposite surfaces of the first shell (1) and the second shell (2).