Radio frequency coaxial connector assembly fixture

Abstract

The utility model discloses a radio frequency coaxial connector assembly fixture, which comprises a contact pin, a shell and a sliding piece, the contact pin and the sliding piece are arranged in a sliding cavity arranged in the shell in a sliding manner, the tail part of the contact pin is connected with one end of the sliding piece, and a push rod fixedly arranged at the other end of the sliding piece protrudes out of the rear end of the shell. The pin head is located at the front end of the shell; the front end of the shell is used for assembling the outer conductor and the insertion end of the coaxial connector, and the contact pin is used for penetrating through the outer conductor and being in sliding insertion connection with the insertion hole of the coaxial connector. The introduction of the radio frequency coaxial connector assembly fixture eliminates the influence of human assembly factors, ensures the concentricity of the connector jack and the aperture of the outer conductor, improves the radio frequency performance index of the coaxial connector, improves the one-time processing yield, and realizes the consistency of the standing-wave ratio of the radio frequency connector.

Description

Technical Field

[0001] The utility model belongs to the field of radio frequency connectors, and particularly relates to a radio frequency coaxial connector assembly fixture. Background Art

[0002] In the existing PSMP to SMA type radio frequency coaxial connector, the PSMP end interface uses air as the medium and there is no insulator for support, so it is very easy to cause non-concentricity during assembly. During the assembly process, the non-concentricity of the jacks on the cross-section with respect to the outer conductor will cause deviation of the characteristic impedance of the connector. In addition to causing changes in the characteristic impedance, the non-concentricity may also cause the jack and socket to be skewed due to the non-alignment of the mutually connected parts of the connectors, resulting in a large reflected wave. Therefore, sufficient attention should be paid to the non-concentricity. In view of the above status quo, there is an urgent need to provide a production assembly fixture to overcome the deficiencies in current practical applications. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a radio frequency coaxial connector assembly fixture.

[0004] The technical solution provided by the utility model is specifically as follows:

[0005] A radio frequency coaxial connector assembly fixture includes a pin, a housing, and a sliding member. The pin and the sliding member are both slidably disposed in a sliding cavity formed inside the housing. The tail of the pin is connected to one end of the sliding member, and a push rod fixedly provided at the other end of the sliding member protrudes from the rear end of the housing. The head of the pin is located at the front end of the housing. The front end of the housing is used for assembling the outer conductor and the insertion end of the coaxial connector, and the pin is used to pass through the outer conductor and slidably plug into the jack of the coaxial connector.

[0006] Further, a crown spring is disposed at a position corresponding to the sliding member at the bottom of the sliding cavity, and the crown spring is connected to a grid for pushing against the sliding member.

[0007] Further, an observation window for observing the sliding cavity is provided at the rear end of the housing.

[0008] Further, the tail of the pin is connected to one end of the sliding member through a spring.

[0009] Further, a positioning sleeve for supporting the pin and the insertion end of the coaxial connector is further provided at the front end of the housing.

[0010] Further, the positioning sleeve is fixed inside the housing through barbs built in the housing.

[0011] Preferably, the positioning sleeve is made of polytetrafluoroethylene.

[0012] Preferably, the pin is made of beryllium bronze and the housing is made of stainless steel.

[0013] Further, the front end of the outer shell is provided with a flared shape and is internally provided with a stepped structure for limiting the insertion end of the coaxial connector.

[0014] Advantages of the present utility model:

[0015] The introduction of the assembly fixture for the radio frequency coaxial connector of the present utility model eliminates the influence of human assembly factors, ensures the concentricity of the connector jack and the outer conductor aperture, improves the radio frequency performance index of the coaxial connector, increases the first-pass yield rate, and realizes the consistency problem of the standing wave ratio of the radio frequency connector. Description of the Drawings

[0016] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model.

[0017] Figure 1 is a schematic semi-sectional view of the structure of the assembly fixture provided by an embodiment of the present utility model;

[0018] Figure 2 is a schematic semi-sectional view of the structure of the coaxial connector provided by an embodiment of the present utility model;

[0019] Figure 3 is a schematic diagram of the assembly process provided by an embodiment of the present utility model Figure 1 ;

[0020] Figure 4 is a schematic diagram of the assembly process provided by an embodiment of the present utility model Figure 2 .

[0021] Among them, each reference numeral represents:

[0022] 1 - pin, 2 - positioning sleeve, 3 - outer shell, 4 - spring, 5 - sliding member, 6 - crown spring, 7 - observation window, 8 - connector, 9 - outer conductor. Detailed Embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0024] This embodiment provides an assembly fixture for a radio frequency coaxial connector, as Figure 1As shown in the figure, it mainly consists of a pin 1, a positioning sleeve 2, a housing 3, a spring 4, a sliding member 5, and a crown spring 6. In this structure, the pin 1 is made of beryllium bronze, and the housing 3 is made of wear-resistant stainless steel to increase the service life of the fixture. The positioning sleeve 2 is made of polytetrafluoroethylene. One is to support the pin 1, and the other is to prevent the jack of the connector from being damaged during assembly. The housing 3 is provided with barbs to fix the positioning sleeve 2. The grille of the crown spring 6 touches the sliding member 5 to increase the contact area between the crown spring 6 and the sliding member 5 and increase the resistance to sliding, so that the sliding member can be moved slowly, effectively controlling the axial position of the sliding member 5 to achieve accurate and effective assembly of the connector.

[0025] As Figures 2 to 4 shown, the housing and the outer conductor 9 of the connector 8 are connected by threads. First, the outer conductor 9 is inserted into the assembly fixture. The pin 1 of the assembly fixture can be effectively inserted into the jack of the connector to form a tight fit before the assembly starts. The front end of the housing 3 of the assembly fixture is shaped like a flared mouth, which is conducive to the effective insertion of the connector. In addition, there is a step at the position where the connector is connected. The outer conductor 9 of the connector is made of elastic beryllium bronze, so that the connector and the assembly fixture are tightly fitted and not easy to fall off. When the thread of the outer conductor 9 is slowly screwed into the housing of the connector, the sliding member 5 of the assembly fixture is slowly axially moved. Relying on the elasticity of the spring 4 itself, the pin 1 will also move backward with the assembly. Then, the jack of the connector is slowly screwed into the positioning sleeve 2. The combined action of the pin 1, the positioning sleeve 2, and the housing 3 keeps the jack of the connector and the aperture of the outer conductor concentric and not skewed. There is an observation window 7 on the housing 3. When the spring is seen leaking out from the observation window 7, the movement can be stopped and the assembly is completed successfully.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; under the idea of the present invention, the technical features in the above embodiments or different embodiments can also be combined, and there are many other changes in different aspects of the present invention as described above. For the sake of brevity, they are not provided in detail; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A radio frequency coaxial connector assembly fixture, characterized in that: It includes a pin, a shell and a sliding part, the pin and the sliding part are both slidably set in a sliding cavity opened inside the shell, the tail of the pin is connected to one end of the sliding part, a pushing rod fixedly set at the other end of the sliding part protrudes from the rear end of the shell, and the head of the pin is located at the front end of the shell; the front end of the shell is used to assemble the outer conductor and the insertion end of the coaxial connector, and the pin is used to pass through the outer conductor and be slidably connected with the jack of the coaxial connector.

2. A radio frequency coaxial connector assembly fixture as claimed in claim 1, characterized in that: A crown spring is arranged at a position at the bottom of the sliding cavity corresponding to the sliding member, and the crown spring is connected to a grid for contacting the sliding member.

3. The RF coaxial connector assembly fixture according to claim 1, characterized in that: The rear end of the shell is provided with an observation window for observing the sliding cavity.

4. The RF coaxial connector assembly fixture according to claim 1, characterized in that: The tail of the pin is connected to one end of the sliding member through a spring.

5. The RF coaxial connector assembly fixture according to claim 1, characterized in that: The front end of the shell is also provided with a positioning sleeve for supporting the pin and the insertion end of the coaxial connector.

6. The RF coaxial connector assembly fixture according to claim 5, characterized in that: The positioning sleeve is fixed in the shell through the built-in barbs of the shell.

7. The RF coaxial connector assembly fixture according to claim 5, characterized in that: The positioning sleeve is made of polytetrafluoroethylene.

8. The RF coaxial connector assembly fixture according to claim 1, characterized in that: The pin is made of beryllium copper, and the shell is made of stainless steel.

9. The RF coaxial connector assembly fixture according to claim 1, characterized in that: The front end of the shell is arranged in a bell-mouth shape and has a step-shaped structure for limiting the insertion end of the coaxial connector.

Images