CN214068869U - Isolator device - Google Patents

Abstract

The utility model provides an isolator device, which comprises a shell main body, wherein the shell main body comprises a first connector shell part, a second connector shell part and a middle shell part, the first connector shell part and the second connector shell part are respectively positioned at two ends of the middle shell part, and the three parts are integrated; a first inner conductor disposed within a first cavity formed by the first connector housing portion; a second inner conductor disposed within a second cavity formed by the second connector housing portion; a PCB assembly mounted within a third cavity formed by the middle housing portion, the first and second inner conductors being electrically connected to the PCB assembly; and the upper cover is fixedly connected with the shell main body. The isolator device is formed by processing the connector shell and the shell of the isolator main body in an integrated forming mode, an integrated structure is formed, and the waterproof and lightning protection effects of the isolator device are improved.

Description

Isolator device

Technical Field

The utility model relates to an isolator device belongs to the communication equipment field.

Background

The radio frequency isolator is also called a one-way isolator, and is a two-port device with one-way transmission characteristics. The isolator has the outstanding characteristic of unidirectionally transmitting high-frequency signal energy, controls electromagnetic waves to be transmitted along a certain direction, can completely feed power to a load when the electromagnetic waves are transmitted along the forward direction, and can greatly attenuate reflected waves from the load.

Since most isolators are used outdoors and are often subjected to severe weather such as rain, lightning and the like, the isolators are required to have waterproof and lightning protection functions so as to prevent the internal devices thereof from being damaged by moisture and electric shock. However, the existing isolator has poor waterproof and lightning protection effects, and is difficult to meet the market demand, so that it is necessary to optimize the existing isolator to improve the waterproof and discharge effects.

Disclosure of Invention

For solving the defect that prior art exists, the utility model provides an isolator device, it has better waterproof and lightning protection efficiency.

In order to achieve the above object, the isolator device of the present invention comprises: the shell main body comprises a first connector shell part, a second connector shell part and a middle shell part, wherein the first connector shell part and the second connector shell part are respectively positioned at two ends of the middle shell part and are of an integrated structure; a first inner conductor disposed within a first cavity formed by the first connector housing portion; a second inner conductor disposed within a second cavity formed by the second connector housing portion; a PCB assembly mounted within a third cavity formed by the middle housing portion, the first and second inner conductors being electrically connected to the PCB assembly; and the upper cover is fixedly connected with the shell main body.

In one embodiment, the first chamber, the second chamber, and the third chamber are in communication, the first inner conductor extends from the first chamber to the third chamber, and the second inner conductor extends from the second chamber to the third chamber.

In one embodiment, the first inner conductor and the second inner conductor are connected to both ends of the PCB assembly by soldering, respectively.

In one embodiment, a first insulator and a second insulator are also disposed within the first chamber and the second chamber, respectively, the first insulator being between the first inner conductor and the first connector housing portion and the second insulator being between the second inner conductor and the second connector housing portion.

In one embodiment, a first seal ring is disposed between the first insulator and an inner wall of the first connector housing portion and a second seal ring is disposed between the second insulator and an inner wall of the second connector housing portion.

In one embodiment, a third seal ring is disposed between the lower surface of the upper cover and the upper surface of the housing body.

In one embodiment, the upper cover is fixedly connected to the middle housing part by means of second screws.

In one embodiment, the PCB assembly is fixedly mounted within the third chamber by a first screw.

In one embodiment, the bottom of the housing body is provided with attachment screws for mounting it to an external fixture.

The isolator device of the utility model is formed by processing the connector shell and the shell of the isolator main body in an integrated forming mode, so as to form an integrated structure, eliminate the connecting interface between the connector and the isolator main body in the traditional technology, avoid the problem of water seepage of the connecting interface and improve the waterproof performance of the isolator device; additionally, the utility model discloses a set up the sealing washer between isolator device's upper cover and the shell main part, also set up the sealing washer in the connector at both ends, further promoted whole isolator device's waterproof and lightning protection effect.

Drawings

The present invention will be further described and illustrated with reference to the following drawings.

Fig. 1 is an exploded view of an isolator assembly according to a preferred embodiment of the present invention.

Fig. 2 is a top view of the isolator assembly of fig. 1.

Figure 3 is a cross-sectional view of the isolator device of figure 2 taken along D-D.

Fig. 4 is a schematic diagram of an isolator device applied to N revolutions and N nuts.

Fig. 5 is a schematic diagram of an isolator device applied to an N-revolution SMA nut.

Fig. 6 is a schematic diagram of an isolator device applied to an N-revolution SMA reversed polarity female head.

Fig. 7 is a schematic diagram of an isolator device applied to a SMA nut.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, an isolator device 100 according to a preferred embodiment of the present invention includes a housing main body 1 and an upper cover 2, and the upper cover 2 is fixedly connected to the housing main body 1, thereby constituting an external structure of the isolator device 100.

The housing body 1 includes a first connector housing part 11, a second connector housing part 12, a middle housing part 13, the first connector housing part 11 and the second connector housing part 12 are respectively located at two ends of the middle housing part 13, and the three are formed by integral processing and are of an integral structure. Specifically, in the present embodiment, the intermediate housing part 13 is box-shaped, and the first connector housing part 11 and the second connector housing part 12 are hollow and in the shape of a central solid of revolution.

The first and second connector housing parts 11 and 12 have first and second chambers 110 and 120 formed therein, respectively. The first and second chambers 110 and 120 are used to house components that make up the connector.

Specifically, the first chamber 110 mounts therein a first inner conductor 111 and a first insulator 112, the first insulator 112 being located between the first inner conductor 111 and the first connector housing portion 11. The first connector housing portion 11, the first inner conductor 111, and the first insulator 112 constitute a first connector. A first seal ring 113 is provided between the first insulator 112 and the inner wall of the first connector housing portion 11, for preventing water from entering the first connector from between the first insulator 112 and the first connector housing portion 11, and playing a role of waterproofing. More specifically, a clamping groove is formed on the outer circumference of the first insulator 112, and the first sealing ring 113 is disposed in the clamping groove.

Similarly, a second inner conductor 121 and a second insulator 122 are mounted within second chamber 120, with second insulator 122 being located between second inner conductor 121 and second connector housing portion 12. The second connector housing portion 12, the second inner conductor 121, and the second insulator 122 constitute a second connector. A second seal ring 123 is provided between the second insulator 122 and the inner wall of the second connector housing portion 12, and is used to prevent water from entering the second connector from between the second insulator 122 and the second connector housing portion 12, thereby playing a role of waterproofing. More specifically, a snap groove is formed on an outer circumference of the second insulator 122, and the second seal ring 123 is disposed in the snap groove. The second connector further includes a snap ring 124 and a threaded sleeve 125, the threaded sleeve 125 being fitted over the free end of the second connector housing portion 12, the snap ring 124 being disposed between the second connector housing 12 and the threaded sleeve 125. A fourth sealing ring 126 is provided between the screw sleeve 125 and the second connector housing portion 12 to prevent water from entering the second connector from between the screw sleeve 125 and the second connector housing portion 12, and to prevent water.

A third chamber 130 is formed in the middle housing part 13, a PCB assembly 131 is mounted in the third chamber 130, and in the present embodiment, the PCB assembly 131 is fixedly mounted at the bottom of the middle housing part 13 by a first screw 31, and preferably, a spring washer 41 is used between the first screw 31 and the PCB assembly 131 to prevent the first screw 31 from loosening.

The first chamber 110 and the second chamber 120 are respectively located at both ends of the third chamber 130, and are communicated with the third chamber 130. The first inner conductor 111 located within the first chamber 110 and the second inner conductor 121 located within the second chamber 120 each extend into the third chamber 130 and are electrically connected to the PCB assembly 131. Preferably, the first inner conductor 111 and the second inner conductor 121 are connected to both ends of the PCB assembly 131 by soldering, but in other embodiments, other connection manners may be adopted, and the connection is not limited to soldering.

The upper cover 2 is fixedly mounted on the upper surface of the middle housing portion 13 by the second screws 32, thereby closing the third chamber 130. Specifically, the second screws 32 are uniformly arranged along a circumference of the upper cover 2, and preferably, a spring washer 42 is used between the second screws 32 and the upper cover 2 to prevent the second screws 32 from loosening. A third gasket 23 is provided between the upper cover 2 and the upper surface of the middle housing part 13 to prevent water from entering the third chamber 130 from between the contact surfaces of the upper cover 2 and the middle housing part 13, thereby performing a waterproof function. Specifically, a circle of clamping grooves are formed in the lower surface of the upper cover 2, and the third sealing ring 23 is installed in the clamping grooves. The upper cover 2, the middle housing part 13, and the inner PCB assembly 131 constitute an isolator main body part of the isolator device, enabling the transition between the two connectors, and the unidirectional transmission of signals.

The bottom of isolator mount 100, specifically the bottom of center housing portion 13, is provided with attachment screws 33 for fixedly mounting the entire isolator mount 100 to an external fixture. Preferably, a spring washer 43 and a flat washer 44 are used between the connection screw 33 and the middle housing part 13 to prevent the connection screw 33 from loosening.

The isolator device 100 of the present invention is assembled as follows:

(1) providing a housing body 1 obtained by integral molding;

(2) securing the PCB assembly 131 within the middle housing portion 13 by the first screw 31 and the spring washer 41;

(3) mounting the first seal ring 113 and the second seal ring 123 in the snap groove of the first insulator 112 and the snap groove of the second insulator 122, respectively, and assembling the first insulator 112 and the second insulator 122 into the first connector housing part 11 and the second connector housing part 12;

(4) mounting the first inner conductor 111 and the second inner conductor 121 into the first insulator 112 and the second insulator 122, respectively;

(5) soldering the first and second inner conductors 111 and 121 to the PCB assembly 131;

(6) mounting the snap ring 124 and the threaded sleeve 125 to the second connector housing portion 12;

(7) placing the third seal ring 23 in the slot of the upper cover 2, and fixedly mounting the upper cover 2 to the middle housing part 13 using the second screw 32 and the spring washer 42;

(8) the entire isolator assembly 100 is fixedly mounted to an external fixture using screws 33 and spring washers 43 and flat washers 44.

As shown in fig. 4, the isolator device of the present invention is applied to interface switching between the male connector N-M of the N-type connector and the female connector N-F of the N-type connector, i.e. the preferred embodiment described above.

The utility model discloses an isolator device is not limited to the switching between the public head of above-mentioned N type connector and the female head, as shown in fig. 5 to 7, fig. 5 shows that the isolator device uses the interface switching of SMA-F between the public head N-M of N type connector and the female head of SMA connector, fig. 6 shows that the isolator device uses the interface switching between the public head N-M of N type connector and the female head RP-SMA-F of antipolarity SMA connector, fig. 7 shows that the isolator device uses the interface switching between the female head SMA-F of SMA connector and the female head SMA-F of SMA connector. In addition to the rf interfaces described in this application, the isolator device of the present invention can also be used for switching between other rf interfaces, which are not listed here.

The above detailed description merely describes preferred embodiments of the present invention and does not limit the scope of the invention. Without departing from the spirit and scope of the present invention, it should be understood that various changes, substitutions and alterations can be made herein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. The scope of the invention is defined by the claims.

Claims (9)

1. An isolator device (100), comprising:

the shell main body (1), the shell main body (1) comprises a first connector shell part (11), a second connector shell part (12) and a middle shell part (13), the first connector shell part (11) and the second connector shell part (12) are respectively positioned at two ends of the middle shell part (13), and the first connector shell part, the second connector shell part and the middle shell part are of an integrated structure;

a first inner conductor (111), the first inner conductor (111) being disposed within a first cavity (110) formed by the first connector housing part (11);

a second inner conductor (121), the second inner conductor (121) being disposed within a second cavity (120) formed by the second connector housing portion (12);

a PCB assembly (131), the PCB assembly (131) being mounted within a third chamber (130) formed by the middle housing portion (13), the first and second inner conductors (111, 121) being electrically connected to the PCB assembly (131);

the upper cover (2), upper cover (2) with shell main part (1) fixed connection.

2. The isolator device (100) of claim 1,

the first chamber (110), the second chamber (120) and the third chamber (130) are communicated, the first inner conductor (111) extends from the first chamber (110) to the third chamber (130), and the second inner conductor (121) extends from the second chamber (120) to the third chamber (130).

3. The isolator device (100) according to claim 2,

the first inner conductor (111) and the second inner conductor (121) are respectively connected to two ends of the PCB assembly (131) through welding.

4. The isolator device (100) according to claim 2,

a first insulator (112) and a second insulator (122) are further disposed in the first chamber (110) and the second chamber (120), respectively, the first insulator (112) being located between the first inner conductor (111) and the first connector housing portion (11), and the second insulator (122) being located between the second inner conductor (121) and the second connector housing portion (12).

5. The isolator device (100) according to claim 4,

a first seal ring (113) is provided between the first insulator (112) and the inner wall of the first connector housing section (11), and a second seal ring (123) is provided between the second insulator (122) and the inner wall of the second connector housing section (12).

6. The isolator device (100) of claim 1,

and a third sealing ring (23) is arranged between the lower surface of the upper cover (2) and the upper surface of the shell main body (1).

7. The isolator device (100) according to claim 6,

the upper cover (2) is fixedly connected with the middle shell part (13) through a second screw (32).

8. The isolator device (100) of claim 1,

the PCB assembly (131) is fixedly mounted in the third chamber (130) by a first screw (31).

9. The isolator device (100) of claim 1,

the bottom of the housing body (1) is provided with a connection screw (33) for mounting it to an external fixture.

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