CN218896897U

CN218896897U - Prevent bad radio frequency switch of contact

Info

Publication number: CN218896897U
Application number: CN202223353020.6U
Authority: CN
Inventors: 魏振江
Original assignee: Shenzhen Weining Technology Co ltd
Current assignee: Shenzhen Weining Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-21
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a radio frequency switch for preventing poor contact, which relates to the technical field of radio frequency switches and comprises a radio frequency switch main body and a wiring line, wherein connecting probes and wiring posts are respectively arranged on two sides of the radio frequency switch main body, limiting devices are arranged on the surfaces of the wiring posts, each limiting device comprises a positioning shaft seat and an L-shaped positioning rod, the positioning shaft seats are symmetrically embedded outside the wiring posts, the L-shaped positioning rods are movably connected with the surfaces of the positioning shaft seats, the end parts of the L-shaped positioning rods are respectively provided with a first limiting arc seat and a second limiting arc seat, positioning holes are respectively arranged on the surfaces of the first limiting arc seat and the second limiting arc seat, positioning pins are inserted into the surfaces of the positioning holes, the limiting devices are arranged on the surfaces of the wiring posts to clamp and limit the connected wiring lines, the first limiting arc seats and the second limiting arc seats are clamped with each other to realize the clamping of the surfaces of the wiring lines, the connection stability of the wiring lines and the wiring posts is kept, and the phenomenon of loose falling and poor contact of the wiring posts is prevented from occurring.

Description

Prevent bad radio frequency switch of contact

Technical Field

The utility model relates to the technical field of radio frequency switches, in particular to a radio frequency switch for preventing poor contact.

Background

The microwave switch is also called a radio frequency switch, which realizes the function of controlling the conversion of a microwave signal channel, one RF (radio frequency) and the microwave switch are one device for routing signals of a high frequency passing through a transmission path, the radio frequency and the microwave switch are widely used in a microwave test system for routing signals between an instrument and a Device Under Test (DUT), and signals from a plurality of instruments can be routed to a single DUT or a plurality of DUTs, so that a plurality of tests can be performed under the same setting without frequent connection and disconnection, and the whole test process can be automated, thereby improving the throughput in a mass production environment.

The following technical problems exist in the prior art:

1. when the existing radio frequency switch is connected with a circuit for a long time, a protective limiting structure does not exist between the circuit and a wiring port, and the circuit port is easy to loosen due to external physical collision, impact and the like, so that poor contact is caused;

2. after the radio frequency switch is connected with the circuit, the circuit is easy to bend due to the change of the use angle, so that the service life of the circuit is reduced, and the connection and the use of the circuit are not facilitated.

Disclosure of Invention

The utility model aims to solve the defects of poor contact and line bending of a radio frequency switch connecting line in the prior art, and provides a radio frequency switch for preventing the poor contact.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a prevent bad radio frequency switch of contact, includes radio frequency switch main part and wiring circuit, radio frequency switch main part both sides are equipped with connection probe and terminal respectively, the terminal surface is equipped with stop device, stop device includes location axle bed and L type locating lever, the outside symmetry embedding of terminal is equipped with the location axle bed, L type locating lever and location axle bed surface swing joint, L type locating lever tip is equipped with first spacing arc seat and the spacing arc seat of second respectively, first spacing arc seat and the spacing arc seat surface of second all are equipped with the locating hole, the locating hole surface inserts and is equipped with the locating pin, the spacing arc seat tip block of first spacing arc seat and second.

Preferably, the locating holes are located at two ends and the center of the first limiting arc seat, the positions of the locating holes on the surfaces of the second limiting arc seat and the first limiting arc seat are the same, and anti-slip strips are distributed on the circumference of the inner wall of the second limiting arc seat.

Preferably, the top surface sections of the first limiting arc seat and the second limiting arc seat are semicircular, and the inner walls of the first limiting arc seat and the second limiting arc seat are propped against the surface of the wiring circuit.

Preferably, the surface of the binding post is provided with a limiting device, and the minimum sliding force between the L-shaped positioning rod and the positioning shaft seat is twice the sum of the weights of the L-shaped positioning rod and the first limiting arc seat.

Preferably, rubber coatings are coated outside the first limiting arc seat and the second limiting arc seat, and the end part of the wiring line is spliced with the surface of the wiring post.

Preferably, the outer edges of the radio frequency switch main body are provided with fillets, and the connection probes are electrically connected with the binding posts through the radio frequency switch main body.

Preferably, the inner wall of the first limiting arc seat abuts against the outer wall of the second limiting arc seat, and the positioning holes on the surfaces of the first limiting arc seat and the second limiting arc seat correspond to each other.

Advantageous effects

According to the utility model, the surface of the wiring post at the radio frequency switch main body is provided with the limiting device to clamp and limit the surface of the connected wiring line, the clamping of the surface of the wiring line is realized through the positioning pin after the first limiting arc seat and the second limiting arc seat are mutually clamped, the connection stability of the wiring line and the wiring post is maintained, the phenomena of loosening and falling and poor contact are prevented, and the stability of the wiring connection of the wiring post is maintained.

According to the utility model, the terminal of the radio frequency switch main body is provided with the limiting device for clamping the terminal of the wiring line, the moving distance of the terminal of the wiring line is clamped and limited, the wiring line is directly connected with the terminal by direct connection, and the connection position is easy to bend, so that the wiring line is damaged, the wiring line is protected, bending is prevented, and the service life of the wiring line connected with the surface of the terminal is prolonged.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A in accordance with the present utility model;

FIG. 3 is a bottom view of the present utility model;

fig. 4 is an enlarged view of fig. 3B in accordance with the present utility model.

Legend description:

1. a radio frequency switch body; 2. connecting a probe; 3. binding posts; 4. a limiting device; 401. positioning shaft seat; 402. an L-shaped positioning rod; 403. the first limiting arc seat; 404. the second limiting arc seat; 405. an anti-slip strip; 406. positioning holes; 407. a positioning pin; 5. and (5) wiring lines.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

First embodiment:

referring to fig. 1-4, a radio frequency switch for preventing bad contact comprises a radio frequency switch main body 1 and a wiring line 5, wherein two sides of the radio frequency switch main body 1 are respectively provided with a connection probe 2 and a binding post 3, the surface of the binding post 3 is provided with a limiting device 4, when the whole radio frequency switch main body 1 is used, the wiring line 5 is connected with the binding post 3 on the surface of the radio frequency switch main body 1, limiting is performed through the limiting device 4 after connection, and the radio frequency switch main body 1 is connected with an external circuit board, an optical fiber, a circuit and the like through the connection probe 2 on the other side after connection, so that the access of the wiring line 5 is realized.

When the wiring line 5 is limited, because the limiting device 4 comprises a positioning shaft seat 401 and an L-shaped positioning rod 402, the positioning shaft seat 401 is symmetrically embedded outside the wiring terminal 3, the L-shaped positioning rod 402 is movably connected with the surface of the positioning shaft seat 401, the end part of the L-shaped positioning rod 402 is respectively provided with a first limiting arc seat 403 and a second limiting arc seat 404, therefore, after the wiring line 5 is inserted into the wiring terminal 3, the L-shaped positioning rod 402 rotates along the positioning shaft seat 401, the first limiting arc seat 403 and the second limiting arc seat 404 at the end part of the L-shaped positioning rod 402 are propped against the surface of the wiring terminal 3, at the moment, the surfaces of the first limiting arc seat 403 and the second limiting arc seat 404 are mutually clamped, because the surfaces of the first limiting arc seat 403 and the second limiting arc seat 404 are respectively provided with a positioning hole 406, the surfaces of the positioning hole 406 are inserted with a positioning pin 407, the end parts of the first limiting arc seat 403 and the second limiting arc seat 404 are clamped, therefore, after the first limiting arc seat 403 and the second limiting arc seat 404 are propped against the wiring line 5, at this time, because the inner wall of the first limiting arc seat 403 is propped against the outer wall of the second limiting arc seat 404, the positioning holes 406 on the surfaces of the first limiting arc seat 403 and the second limiting arc seat 404 correspond to each other in position, so that the positioning pins 407 originally positioned at the central positions of the first limiting arc seat 403 are pulled out, inserted into the positioning holes 406 on the positions where the first limiting arc seat 403 and the second limiting arc seat 404 are propped against each other, the fixation after the first limiting arc seat 403 and the second limiting arc seat 404 are clamped is realized, the surface of the wiring line 5 is limited, when the wiring line 5 is disassembled, the positioning pins 407 are pulled out and inserted into the positioning holes 406 on the central positions of the first limiting arc seat 403 and the second limiting arc seat 404 at first, the separation of the first limiting arc seat 403 and the second limiting arc seat 404 is realized by overturning the L-shaped positioning rod 402, finally, the wiring line 5 and the wiring post 3 are detached.

Other structures in the limiting device 4 are that the positioning holes 406 are positioned at two ends and the center position of the first limiting arc seat 403, the positions of the positioning holes 406 on the surfaces of the second limiting arc seat 404 and the first limiting arc seat 403 are the same, positioning of the first limiting arc seat 403 and the second limiting arc seat 404 after clamping can be achieved through the positioning holes 406 at the end parts, limiting stability is increased, the positioning holes 406 at the center position can be used for placing the positioning pins 407 when the positioning pins are not used, anti-slip strips 405 are distributed on the circumference of the inner wall of the second limiting arc seat 404, friction force between the second limiting arc seat 404 and the wiring line 5 is increased, sliding of the wiring line 5 is prevented, falling is prevented, the top surface sections of the first limiting arc seat 403 and the second limiting arc seat 404 are all semicircular rings, the inner wall of the first limiting arc seat 403 and the inner wall of the second limiting arc seat 404 are propped against the surface of the wiring line 5, coverage of the limiting device 4 and the wiring line 5 is increased, and the clamping stability is improved.

Other limit structures in the whole device are that the surface of the binding post 3 is provided with a limit device 4, the minimum sliding force between the L-shaped locating rod 402 and the locating shaft seat 401 is twice the sum of the gravity of the L-shaped locating rod 402 and the gravity of the first limit arc seat 403, the L-shaped locating rod 402 is prevented from automatically rotating, the outer parts of the first limit arc seat 403 and the second limit arc seat 404 are coated with rubber coatings, the end part of the wiring line 5 is spliced with the surface of the binding post 3, the outer edge of the radio frequency switch main body 1 is provided with round corners, and the connection probe 2 and the binding post 3 are electrically connected through the radio frequency switch main body 1.

Specific embodiment II:

referring to fig. 1 to 4, the connection mode of the wiring line 5 and the binding post 3 is not limited, a threaded rotation access mode is generally adopted, a direct insertion mode is partially adopted, and the end portion of the wiring line 5 is generally provided with a protrusion, so that the first limiting arc seat 403 and the second limiting arc seat 404 are generally clamped at the protrusion position of the end portion of the wiring line 5, and the limiting stability is increased.

Third embodiment:

referring to fig. 1-4, in practical use, the L-shaped positioning rod 402 may be configured as a telescopic structure, which is used for clamping different positions of the wiring line 5, and the specific structure of the telescopic structure may be positioned after telescopic through a spring pin or friction force.

To sum up:

1. the surface of the wiring terminal 3 at the radio frequency switch main body 1 is provided with the limiting device 4 to clamp and limit the surface of the connected wiring line 5, the first limiting arc seat 403 and the second limiting arc seat 404 are mutually clamped and then positioned through the positioning pin 407, so that the surface of the wiring line 5 is clamped, the connection stability of the wiring line 5 and the wiring terminal 3 is maintained, the phenomena of loosening and falling and poor contact are prevented, and the stable connection of the wiring terminal 3 to the wiring line is maintained;

2. adopt to set up stop device 4 at the terminal 3 surface of radio frequency switch main part 1 and carry out the centre gripping to wiring circuit 5 tip, it is spacing to carry out the centre gripping through the terminal travel distance of wiring circuit 5, prevents wiring circuit 5 direct through with terminal 3 lug connection, and hookup location is bent easily and is led to wiring circuit 5 to damage to wiring circuit 5 protects, prevents to bend, prolongs the life of wiring circuit 5 of terminal 3 surface connection.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent bad radio frequency switch of contact, includes radio frequency switch main part (1) and wiring circuit (5), its characterized in that: the radio frequency switch is characterized in that connection probes (2) and binding posts (3) are respectively arranged on two sides of the radio frequency switch main body (1), limiting devices (4) are arranged on the surfaces of the binding posts (3), the limiting devices (4) comprise positioning shaft seats (401) and L-shaped positioning rods (402), the positioning shaft seats (401) are symmetrically embedded in the outer portions of the binding posts (3), the L-shaped positioning rods (402) are movably connected with the surfaces of the positioning shaft seats (401), first limiting arc seats (403) and second limiting arc seats (404) are respectively arranged at the ends of the L-shaped positioning rods (402), positioning holes (406) are respectively formed in the surfaces of the first limiting arc seats (403) and the surfaces of the second limiting arc seats (404), and positioning pins (407) are arranged in the surface of the positioning holes (406) in an inserted mode, and the ends of the first limiting arc seats (403) and the second limiting arc seats (404) are clamped.

2. A radio frequency switch for preventing a contact failure as set forth in claim 1, wherein: the locating holes (406) are located at two ends and the center of the first limiting arc seat (403), the positions of the locating holes (406) on the surfaces of the second limiting arc seat (404) and the first limiting arc seat (403) are the same, and anti-slip strips (405) are distributed on the circumference of the inner wall of the second limiting arc seat (404).

3. A radio frequency switch for preventing a contact failure as set forth in claim 1, wherein: the top surface sections of the first limiting arc seat (403) and the second limiting arc seat (404) are semicircular, and the inner walls of the first limiting arc seat (403) and the second limiting arc seat (404) are propped against the surface of the wiring line (5).

4. A radio frequency switch for preventing a contact failure as set forth in claim 1, wherein: the surface of the binding post (3) is provided with a limiting device (4), and the minimum sliding force between the L-shaped positioning rod (402) and the positioning shaft seat (401) is twice the sum of the gravity of the L-shaped positioning rod (402) and the first limiting arc seat (403).

5. A radio frequency switch for preventing a contact failure as set forth in claim 1, wherein: the outside of the first limiting arc seat (403) and the second limiting arc seat (404) are coated with rubber coatings, and the end part of the wiring line (5) is spliced with the surface of the wiring post (3).

6. A radio frequency switch for preventing a contact failure as set forth in claim 1, wherein: the radio frequency switch is characterized in that round corners are arranged at the outer edges of the radio frequency switch main body (1), and the connecting probes (2) are electrically connected with the binding posts (3) through the radio frequency switch main body (1).

7. A radio frequency switch for preventing a contact failure as set forth in claim 1, wherein: the inner wall of the first limiting arc seat (403) is propped against the outer wall of the second limiting arc seat (404), and the positions of the positioning holes (406) on the surfaces of the first limiting arc seat (403) and the second limiting arc seat (404) correspond to each other.