CN210379656U

CN210379656U - Double-type mutual-matching coaxial radio frequency connecting device

Info

Publication number: CN210379656U
Application number: CN201921679505.XU
Authority: CN
Inventors: 吴刚
Original assignee: Zhenjiang Huahao Electronic Component Co ltd
Current assignee: Zhenjiang Huahao Electronic Component Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-04-21
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a double-type mutual-matching coaxial radio frequency connection device, which comprises an inner conductor (1), a movable bush (2), a fixed bush (3), a shell (4), an inner sleeve (5), an outer sleeve (6), a first spring (7), a second spring (8) and a sealing ring (9); the radio frequency connecting device of one type is used for realizing matching connection with radio frequency connectors of two different types, so that the operation is simple, the cost is saved, and the replacement time is saved; radio frequency connectors of different types do not need to be prepared with radio frequency connecting devices matched with the radio frequency connectors, so that the types of the radio frequency connecting devices are reduced, the cost is reduced, and convenience and rapidness are realized; the connection effect is stable and reliable, and the signal transmission performance is excellent.

Description

Double-type mutual-matching coaxial radio frequency connecting device

Technical Field

The utility model relates to a radio frequency connecting device, concretely relates to coaxial radio frequency connecting device is mutually joined in marriage to two types.

Background

The radio frequency coaxial connecting device is used for realizing connection with a radio frequency connector and signal transmission work, the radio frequency coaxial connecting devices in the current market are various in types, complex in structure and different in size, however, no radio frequency coaxial connecting device can realize the mutual matching connection with the radio frequency connectors of different models, and if the existing connected radio frequency connector is replaced by a radio frequency connector of another model, the radio frequency coaxial connecting devices of the same model must be replaced and then connected with each other; the operation is complex, the time is consumed, the corresponding radio frequency connectors are various and complex, the radio frequency coaxial connecting device corresponding to and matched with the radio frequency coaxial connecting device needs to be prepared, and the cost is high.

SUMMERY OF THE UTILITY MODEL

For solving the defect and not enough among the prior art, the utility model provides a coaxial radio frequency connecting device is mutually joined in marriage to two types.

The utility model provides a technical scheme that its technical problem adopted is:

a dual-type mutual-matching coaxial radio frequency connection device comprises an inner conductor, a movable bushing, a fixed bushing, a shell, an inner threaded sleeve, an outer threaded sleeve, a first spring, a second spring and a sealing ring; the inner conductor is positioned in an inner jack of the shell, a first spring is sleeved on the periphery of one end, close to the head, of the inner conductor, the fixed bushing is fixedly arranged on the periphery of the shell, the movable bushing is radially positioned between the fixed bushing and the shell and can axially move relative to the fixed bushing, an inner threaded sleeve is arranged on the radial outer side of the movable bushing, an internal thread is arranged on the inner wall surface of the inner threaded sleeve, an outer threaded sleeve is arranged on the radial outer side of the inner threaded sleeve, an internal thread is arranged on the inner wall surface of the outer threaded sleeve, and a second spring is further arranged between the end surface, facing the tail, of the inner threaded sleeve and the end surface, facing the head, of the outer threaded sleeve; and a sealing ring is arranged on the radial outer side of the shell.

Further, a radial dimension of the first spring is greater than a radial dimension of the second spring.

Furthermore, the movable bushing and the fixed bushing are respectively arranged into an L shape which is spliced end to end.

And furthermore, an axial positioning outer end is arranged at one end of the movable bushing close to the tail part in a radially outward protruding mode, and an axial positioning inner end is arranged at one end of the fixed bushing close to the head part in a radially inward protruding mode.

Further, an end surface of the axial positioning outer end facing radially outward and an end surface of the axial positioning inner end facing radially inward are each provided in an arc shape.

Furthermore, one end of the inner sleeve, which is close to the tail, is provided with a sliding end head in a radial inward protruding mode, and the radial inner wall of the sliding end head is in sliding fit with the radial outer wall of the fixed bushing.

Furthermore, one end of the movable bushing, which is close to the head, is provided with a limiting end head which is matched with the sliding end head in a radially outward protruding mode.

Further, the radial dimension of the sliding end head protruding inwards relative to the inner wall of the inner thread insert is equal to the radial dimension of the limiting end head protruding outwards relative to the outer wall of the movable bushing.

Further, the first spring is disposed axially beyond an end of the inner conductor near the head.

The utility model has the advantages that:

1) the radio frequency connecting device of one type is used for realizing matching connection with radio frequency connectors of two different types, so that the operation is simple, the cost is saved, and the replacement time is saved;

2) radio frequency connectors of different types do not need to be prepared with radio frequency connecting devices matched with the radio frequency connectors, so that the types of the radio frequency connecting devices are reduced, the cost is reduced, and convenience and rapidness are realized;

3) the connection effect is stable and reliable, and the signal transmission performance is excellent.

Drawings

Fig. 1 is a schematic structural view of a dual-type interworking coaxial rf connection device of the present invention;

fig. 2 is a schematic structural view of the dual-type coaxial rf connector of the present invention when it is connected to the first rf connector;

fig. 3 is a schematic structural diagram of the dual-type coaxial rf connector of the present invention when it is connected to the second rf connector.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, a dual-type interworking coaxial rf connection device includes an inner conductor 1, a movable bushing 2, a fixed bushing 3, an outer shell 4, an inner threaded sleeve 5, an outer threaded sleeve 6, a first spring 7, a second spring 8, and a sealing ring 9; the inner conductor 1 is positioned in an inner jack of the shell 4, a first spring 7 is sleeved on the periphery of one end, close to the head, of the inner conductor 1, a fixed bushing 3 is fixedly arranged on the periphery of the shell 4, the movable bushing 2 is positioned between the fixed bushing 3 and the shell 4 in the radial direction and can move relative to the fixed bushing 3 in the axial direction, an inner threaded sleeve 5 is arranged on the outer side in the radial direction of the movable bushing 2, internal threads are arranged on the inner wall surface of the inner threaded sleeve 5, an outer threaded sleeve 6 is arranged on the outer side in the radial direction of the inner threaded sleeve 5, internal threads are arranged on the inner wall surface of the outer threaded sleeve 6, and a second spring 8 is further arranged between the end surface, facing the tail, of the inner threaded sleeve 5 and; a sealing ring 9 is also provided radially on the outside of the housing 4 for achieving an internal sealing effect when the outer thread insert 6 is axially displaced.

The radio frequency connecting device of one type is used for realizing matching connection with radio frequency connectors of two different types, so that the operation is simple, the cost is saved, and the replacement time is saved; radio frequency connectors of different types do not need to be prepared with radio frequency connecting devices matched with the radio frequency connectors, so that the types of the radio frequency connecting devices are reduced, the cost is reduced, and convenience and rapidness are realized; the connection effect is stable and reliable, and the signal transmission performance is excellent.

Specifically, the radial dimension of the first spring 7 is greater than that of the second spring 8, so that the positioning connection and the vibration damping effect of the peripheral position are realized through the first spring 7 with a larger radial dimension, which is located at the center position, on the premise of realizing the positioning connection and the vibration damping of the axis position, and through the second spring 8 with a smaller radial dimension, which is located at the peripheral position.

Specifically, the movable bush 2 and the fixed bush 3 are respectively arranged in an L shape which is inserted end to end, so that the movable bush 2 and the fixed bush 3 can slide relative to each other through the L shape.

Specifically, an axial positioning outer end 2-1 is arranged at one end, close to the tail, of the movable bushing 2 in a radially outward protruding mode, and an axial positioning inner end 3-1 is arranged at one end, close to the head, of the fixed bushing 3 in a radially inward protruding mode, so that the axial positioning effect of the movable bushing 2 in the axial movement relative to the fixed bushing 3 is achieved through the matching between the axial positioning outer end 2-1 and the axial positioning inner end 3-1.

Specifically, the end face of the axial positioning outer end 2-1 facing the radial outer side and the end face of the axial positioning inner end 3-1 facing the radial inner side are respectively set to be arc-shaped, so that good contact is guaranteed while the axial positioning effect is achieved between the axial positioning outer end 2-1 and the axial positioning inner end 3-1 through the arc-shaped contact surface shapes.

Specifically, one end of the inner threaded sleeve 5, which is close to the tail, is provided with a sliding end 5-1 in a radially inward protruding manner, and the radial inner wall of the sliding end 5-1 is in sliding fit with the radial outer wall of the fixed bushing 3, so that the stability of the axial movement process of the inner threaded sleeve 5 is ensured through the sliding fit of the radial inner wall of the sliding end 5-1 and the radial outer wall of the fixed bushing 3 in the axial movement process of the inner threaded sleeve 5.

Specifically, one end of the movable bushing 2, which is close to the head, is provided with a limiting end 2-2 which is radially and outwards protruded and matched with the sliding end 5-1, and the axial limiting of the inner threaded sleeve 5 relative to the movable bushing 2 in the axial movement process is realized through the mutual matching and limiting action of the limiting end 2-2 and the sliding end 5-1, so that the inner threaded sleeve 5 is prevented from being separated from one end of the movable bushing 2.

Specifically, the radial dimension of the sliding end 5-1 extending inwards relative to the inner wall of the inner screw sleeve 5 is equal to the radial dimension of the limiting end 2-2 extending outwards relative to the outer wall of the movable bushing 2, so that the axial limiting effect during the axial movement of the inner screw sleeve 5 relative to the movable bushing 2 is realized.

Specifically, the first spring 7 is disposed axially beyond an end of the inner conductor 1 near the head, so as to be in axial contact with a corresponding type of radio frequency connector in advance.

As shown in fig. 2, when the coaxial rf connector is connected to the first rf connector 01, the first spring 7 is compressed axially, the inner screw 5 drives the second spring 8 to be compressed axially, the inner conductor 01-1 of the first rf connector 01 extends into the jack and is connected to the inner conductor 1 of the dual-type inter-mating coaxial rf connector, the movable bushing 2 extends axially and contacts with the outer conductor 01-2 of the first rf connector 01, the end of the inner screw 5 abuts against the outer housing 01-3 of the first rf connector 01, and the inner thread provided on the inner wall surface of the outer screw 6 is in threaded fit with the outer thread provided on the outer wall surface of the outer housing 01-3 and is screwed to complete the fixation.

As shown in fig. 3, when the coaxial rf connector is connected to the second rf connector 02, the first spring 7 extends axially to achieve impedance matching, the inner screw 5 drives the second spring 8 to be extended axially, the inner conductor 02-1 of the second rf connector 02 extends into the jack to be connected to the inner conductor 1 of the dual-type inter-mating coaxial rf connector, the movable bushing 2 retracts axially into the fixed bushing 3, the end surface of the outer shell 4 abuts against the outer conductor 02-2 of the second rf connector 02, and the internal threads formed on the inner wall of the inner screw 5 and the external threads formed on the outer wall of the outer conductor 02-2 achieve threaded matching and are screwed to complete fixation.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A double-type mutual-matching coaxial radio frequency connecting device comprises an inner conductor (1), a movable bushing (2), a fixed bushing (3), a shell (4), an inner sleeve (5), an outer sleeve (6), a first spring (7), a second spring (8) and a sealing ring (9); wherein the inner conductor (1) is located in an inner receptacle of the outer shell (4), a first spring (7) is sleeved on the periphery of one end of the inner conductor (1) close to the head, the fixed bushing (3) is fixedly arranged on the periphery of the outer shell (4), the movable bushing (2) is positioned between the fixed bushing (3) and the outer shell (4) in the radial direction and can move relative to the fixed bushing (3) in the axial direction, an inner threaded sleeve (5) is arranged on the radial outer side of the movable bushing (2), an inner thread is arranged on the inner wall surface of the inner threaded sleeve (5), an outer sleeve (6) is arranged on the radial outer side of the inner thread sleeve (5), an inner thread is arranged on the inner wall surface of the outer sleeve (6), a second spring (8) is arranged between the end surface of the inner thread sleeve (5) facing the tail part and the end surface of the outer thread sleeve (6) facing the head part; and a sealing ring (9) is also arranged on the radial outer side of the shell (4).

2. The dual-type of inter-working coaxial rf connection of claim 1, wherein: the radial dimension of the first spring (7) is greater than the radial dimension of the second spring (8).

3. The dual-type of inter-working coaxial rf connection of claim 1, wherein: the movable bushing (2) and the fixed bushing (3) are respectively arranged in an L shape which is spliced end to end.

4. A dual-type inter-working coaxial rf connection as claimed in claim 3, wherein: an axial positioning outer end head (2-1) is arranged at one end of the movable bush (2) close to the tail part in a radially outward protruding mode, and an axial positioning inner end head (3-1) is arranged at one end of the fixed bush (3) close to the head part in a radially inward protruding mode.

5. The dual-type of inter-working coaxial rf connection device of claim 4, wherein: the end face, facing the radial outer side, of the axial positioning outer end head (2-1) and the end face, facing the radial inner side, of the axial positioning inner end head (3-1) are respectively set to be arc-shaped.

6. The dual-type of inter-working coaxial rf connection of claim 1, wherein: one end of the inner threaded sleeve (5) close to the tail part is provided with a sliding end (5-1) in a radially inward protruding mode, and the radial inner wall of the sliding end (5-1) is in sliding fit with the radial outer wall of the fixed bushing (3).

7. The dual-type of inter-working coaxial rf connection of claim 6, wherein: one end of the movable bushing (2) close to the head is provided with a limiting end head (2-2) which is matched with the sliding end head (5-1) in a radial and outward protruding mode.

8. The dual-type of inter-working coaxial rf connection of claim 7, wherein: the radial dimension of the sliding end head (5-1) which extends inwards relative to the inner wall of the inner thread sleeve (5) is equal to the radial dimension of the limiting end head (2-2) which extends outwards relative to the outer wall of the movable bushing (2).

9. The dual-type of inter-working coaxial rf connection of claim 1, wherein: the first spring (7) is arranged at one end of the inner conductor (1) close to the head in the axial direction.