CN210744230U

CN210744230U - Integrated floating probe structure

Info

Publication number: CN210744230U
Application number: CN201921294538.2U
Authority: CN
Inventors: 武向文; 韩晓; 张雯; 韩玮; 鲍宜云
Original assignee: Avic Fushida Technology Co ltd
Current assignee: Avic Fushida Technology Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-12
Anticipated expiration: 2029-08-09

Abstract

The utility model belongs to the field of radio frequency connectors and discloses an integrated floating probe structure, which comprises a connector male head and a connector female head, wherein a plurality of groups of floating inner conductors are arranged in the connector male head, and a plurality of groups of fixed inner conductors corresponding to the connector male head are arranged in the connector female head; the floating inner conductor comprises a sleeve, a spring, a first inner conductor, a first insulator, a second shell and a contact pin; the fixed inner conductor comprises a fifth shell, a second inner conductor, a contact pin and a second insulator. The utility model has special contact form, can realize high integration connection with large tolerance in small space, has high efficiency and stability of signal transmission, high reliability, high precision and high durability; meanwhile, the high-frequency-range radio frequency signal transmission device has the advantages of being high in anti-interference capacity, high in design and application flexibility, light in weight, high in sealing grade and the like, and the processing difficulty and the production cost can be reduced, so that the high-frequency-range radio frequency signal transmission device has practical application value in the field of radio frequency signal transmission.

Description

Integrated floating probe structure

Technical Field

The utility model belongs to the radio frequency connector field specifically possesses an integrated type probe structure that floats.

Background

The integrated floating probe structure can realize the precise connection of electronic products, and can achieve the purposes of high integration and light weight of products compared with the traditional integrated connector. Along with the demand of customers on the multifunctionality of the interconnected products among the boards, the requirements of the circuit quantity and the high-density test on small volume are continuously improved, the traditional integrated connector can not meet the requirements, and the traditional integrated connector has the following defects:

1. the difficult realization of integrated product is to inserting, and traditional integrated connector adopts the plug-in connection mode of contact pin, jack mostly, and the oral area design that needs strict control contact pin, jack is in order to possess corresponding tolerance size to inserting of multichannel for the processing degree of difficulty and processing cost greatly increased.

2. The traditional integrated connector is higher in integration degree in the process of realizing the product opposite insertion, the corresponding insertion force and the corresponding extraction force can be increased, and the requirement on the integral structural strength of the integrated product is higher.

3. The transmission performance of the high frequency signal is poor. The traditional integrated connector is large in size, which means that a current path is longer, impedance matching and high-efficiency transmission of high-frequency signals are not facilitated, and loss is greatly influenced.

4. The traditional integrated connector has lower design flexibility and larger limitation when designing integrated products due to the limitations of volume, weight and cost. And the traditional connector has a relatively complex structure, and the integrated product is inconvenient for later-stage upgrading and updating.

5. Because the sealing links are multiple, the area is large, and the sealing treatment is difficult to operate, the waterproof structure of the traditional integrated connector is difficult to realize.

6. And the application scenes are few. The future system emphasizes high integration, and compared with the traditional PogoPin integrated connector, the traditional integrated connector is inferior in aspects of high integration, multifunctionality, precision and the like, and the flexible and variable task requirements cannot be met.

Disclosure of Invention

Problem to prior art existence, the utility model provides an integrated type probe structure that floats adopts following technical scheme to realize:

the connector comprises a connector male head and a connector female head, wherein a plurality of groups of floating inner conductors which are uniformly distributed are arranged in the connector male head, and a plurality of groups of fixed inner conductors which correspond to the positions of the plurality of groups of floating inner conductors one to one are arranged in the connector female head;

the floating inner conductor comprises a sleeve, a spring, a first inner conductor, a first insulator, a second shell and a contact pin, the spring is arranged in the front end of the first inner conductor, the rear end of the first inner conductor is connected with the contact pin, the sleeve is sleeved at the front end of the first inner conductor, the first insulator is wrapped outside the first inner conductor, and the second shell is wrapped outside the first insulator;

the fixed inner conductor comprises a fifth shell, a second inner conductor, a contact pin and a second insulator, the contact pin is connected to the rear end of the second inner conductor, the second insulator is wrapped outside the second inner conductor, and the fifth shell is wrapped outside the second insulator.

Further, the contact pin is connected with a cable.

Furthermore, the male connector also comprises a first shell and a third shell, and the third shell is connected to the first shell through a grub screw.

Furthermore, an interface sealing ring is arranged at the position, contacted with the connector female head, of the first shell.

Furthermore, two ends of the third shell are respectively provided with an inner hexagon screw.

Furthermore, a first sealing ring and a second sealing ring are sequentially arranged on the second shell of each group of floating inner conductors.

Furthermore, a first sealing ring and a second sealing ring are sequentially arranged on the fifth shell of each group of fixed inner conductors.

Further, the female connector also comprises a fourth shell and a sixth shell, and the sixth shell is connected to the fourth shell through a grub screw.

Further, the number of the floating inner conductors and the number of the fixed inner conductors are 4.

The utility model discloses following beneficial effect has:

the utility model discloses an integrated floating probe structure of type has special contact form, and the floating inner conductor of the public head of probe connector floats through the integrated type is connected with female fixed inner conductor contact realization, and signal transmission is high-efficient, reliable. The contact process allows radial deviations to occur, so that high-frequency signal transmission of highly integrated products is easier to achieve. Meanwhile, the tolerance size requirement, the processing difficulty and the cost can be reduced, the integrated connection with large tolerance in a small space can be realized, the high reliability, the high precision and the high durability are realized, the high integration and sealing functions are realized more easily, and the practical application value is realized in the field of radio frequency signal transmission.

Drawings

Fig. 1 is a schematic diagram of the male connector and the female connector of the present invention;

fig. 2 is a schematic view of the female connector and the male connector of the present invention;

FIG. 3 is a schematic view of the assembly of the male connector;

FIG. 4 is an assembled view of the female connector;

FIG. 5 is a cross-sectional view of a floating inner conductor end;

FIG. 6 is an enlarged view of the floating inner conductor end;

FIG. 7 is a cross-sectional view of the fixed inner conductor end;

fig. 8 is an enlarged view of the fixed inner conductor end.

The reference numerals in the figures mean:

1-interface sealing ring, 2-first shell, 3-hexagon socket screw, 4-sleeve, 5-spring, 6-first inner conductor, 7-first insulator, 8-second shell, 9-first sealing ring, 10-second sealing ring, 11-third shell, 12-flat head screw, 13-first pin, 14-cable, 15-fourth shell, 16-fifth shell, 17-second inner conductor, 18-second insulator, 19-sixth shell and 20-second pin.

Detailed Description

The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.

In the present invention, unless otherwise specified, the use of directional terms such as "upper" and "lower" generally means that the terms are defined with reference to the drawing plane of the corresponding drawing, and "inner" and "outer" mean that the terms are inner and outer relative to the outline of the corresponding part.

The terms mentioned in the present embodiment are explained first below:

male head and female head: the two connectors have difference between a male head and a female head at the joint, wherein the male head refers to an insertion end and is also called a needle head, and the female head refers to an inserted end and is also called a hole head.

A coaxial connector: comprises an inner conductor and an outer conductor, wherein the inner conductor is used for connecting electric signals, and the outer conductor is used for grounding.

As shown in fig. 1 to 8, the present embodiment discloses an integrated floating probe structure, which includes a connector male head and a connector female head, wherein a plurality of groups of floating inner conductors are uniformly distributed in the connector male head, and a plurality of groups of fixed inner conductors are arranged in the connector female head, and the positions of the groups of fixed inner conductors are in one-to-one correspondence with the positions of the groups of floating inner conductors;

the floating inner conductor comprises a sleeve 4, a spring 5, a first inner conductor 6, a first insulator 7, a second shell 8 and a contact pin 13, the spring 5 is arranged in the front end of the first inner conductor 6, the rear end of the first inner conductor 6 is connected with the first contact pin 13, the sleeve 4 is sleeved at the front end of the first inner conductor 6, the first insulator 7 is wrapped outside the first inner conductor 6, and the second shell 8 is wrapped outside the first insulator 7;

the fixed inner conductor comprises a fifth shell 16, a second inner conductor 17, a pin 13 and a second insulator 18, the rear end of the second inner conductor 17 is connected with a second pin 20, the second insulator 18 is wrapped outside the second inner conductor 17, and the fifth shell 16 is wrapped outside the second insulator 18.

The floating inner conductor of the integrated floating probe connector male head is in contact with the fixed inner conductor of the female head to realize connection, when the connector male head is connected with the connector female head, the sleeve 4 is subjected to extrusion force to move axially to drive the spring 5 to compress, so that certain contact pressure is generated, high-efficiency and reliable transmission of radio frequency signals is guaranteed, and the axial movement of the floating inner conductor of the male head is benefited. The axial position of the conductors in the male and female connectors can be manufactured with reduced precision requirements, which is advantageous in reducing manufacturing costs. Meanwhile, because the front end of the sleeve 4 is arc-shaped, the floating structure of the spring can provide certain radial tolerance, when the floating inner conductor is connected with the fixed inner conductor, if the axis is not completely aligned, the radial deviation in a certain range still can be realized, so that the electric connection can be still realized, and the high integration of the product is facilitated; the small volume of large tolerance can be realized, the inner conductor is comparatively succinct, and floats and realize easily, and the outer conductor is the metal material and integrates on some shells, like second shell 8 and fifth shell 16, multichannel connector sharing shell reduces greatly than the integrated occupation space proportion of traditional connector.

The insulator is equipped with to the probe position outside of integrated type probe connector public head end that floats, and probe and insulator assembly relation are clearance fit, and its main action has two points: 1) isolation is carried out, so that signal crosstalk in a channel caused by high concentration of the probe structure is avoided; 2) the guide effect, when the tolerance of co-altitude is worked, can be better just guide probe direction of floating, avoid the probe skew to take place electrical property and interrupt.

The utility model discloses a high frequency signal's transmission performance is good, and solitary probe structure that floats is small, and circuit effect distance is shorter, also easier, more high-efficient, more steady transmission high frequency signal.

Specifically, the pin 13 is connected to the cable 14 for power connection.

Specifically, the male connector further comprises a first housing 2 and a third housing 11, and the third housing 11 is connected to the first housing 2 through a grub screw 12. The third shell 11 and the first shell 2 are packaged to protect the male connector, and meanwhile, the screw connection is convenient to assemble.

Preferably, an interface sealing ring 1 is arranged at a position, which is in contact with a female connector, on the first shell 2, and the interface sealing ring 1 is used for sealing a large range when the male connector and the female connector are connected, so that the flange end face sealing is easier to realize compared with the traditional connector, and the tail part of a single-channel sealing tool cable is sealed;

preferably, one socket head cap screw 3 is provided at each end of the third housing 11. The nut is as an organic whole with the product design, avoids the parts independent packing, has reduced the risk that spare part loses, drops, provides convenient for customer side's use.

Specifically, a first sealing ring 9 and a second sealing ring 10 are sequentially arranged on the second outer shell 8 of each group of floating inner conductors, and a first sealing ring 9 and a second sealing ring 10 are sequentially arranged on the fifth outer shell 16 of each group of fixed inner conductors. A first seal ring 9 and a second seal ring 10 are arranged at the tail end of each group of inner conductors, and the sealing effect is further improved in a small range.

Specifically, the female connector further comprises a fourth shell 15 and a sixth shell 19, and the sixth shell 19 is connected to the fourth shell 15 through a grub screw 12.

To sum up, the utility model discloses an integrated type probe structure that floats has characteristics small, light in weight, compares traditional integrated connector occupation space littleer, characteristics that the cost is lower. Meanwhile, the unique small volume allows larger axial tolerance, and the problems of high integration and high-efficiency transmission of high-frequency signals are conveniently solved, so that the high-frequency-signal-transmission-type coaxial cable has higher industrial utilization value.

Claims

1. An integrated floating probe structure comprises a connector male head and a connector female head, and is characterized in that a plurality of groups of floating inner conductors which are uniformly distributed are arranged in the connector male head, and a plurality of groups of fixed inner conductors which correspond to the positions of the floating inner conductors one by one are arranged in the connector female head;

the floating inner conductor comprises a sleeve (4), a spring (5), a first inner conductor (6), a first insulator (7), a second shell (8) and a first contact pin (13), the spring (5) is arranged in the front end of the first inner conductor (6), the rear end of the first inner conductor (6) is connected with the first contact pin (13), the sleeve (4) is sleeved at the front end of the first inner conductor (6), the first insulator (7) is wrapped outside the first inner conductor (6), and the second shell (8) is wrapped outside the first insulator (7);

the fixed inner conductor comprises a fifth shell (16), a second inner conductor (17), a first contact pin (13) and a second insulator (18), the rear end of the second inner conductor (17) is connected with the second contact pin (20), the second insulator (18) is wrapped outside the second inner conductor (17), and the fifth shell (16) is wrapped outside the second insulator (18).

2. The integrated type floating probe structure according to claim 1, wherein the first pin (13) and the second pin (20) are connected to a cable (14).

3. The integrated floating probe structure according to claim 1, wherein the connector male comprises a first housing (2) and a third housing (11), the third housing (11) being connected to the first housing (2) by a grub screw (12).

4. The integrated floating probe structure according to claim 3, wherein the interface sealing ring (1) is provided on the first housing (2) at a position where it contacts with the female connector.

5. The integrated floating probe structure according to claim 3, wherein one socket head cap screw (3) is provided at each end of the third housing (11).

6. The integrated floating probe structure according to claim 1, wherein the second outer shell (8) of each group of floating inner conductors is provided with a first sealing ring (9) and a second sealing ring (10) in sequence.

7. The integrated floating probe structure according to claim 1, wherein a first sealing ring (9) and a second sealing ring (10) are sequentially arranged on the fifth housing (16) of each group of fixed inner conductors.

8. The integrated floating probe structure of claim 1, wherein the female connector further comprises a fourth housing (15) and a sixth housing (19), the sixth housing (19) being attached to the fourth housing (15) by a grub screw (12).

9. The integrated floating probe structure of claim 1, wherein the number of the floating inner conductors and the fixed inner conductors are 4 groups.