CN221305177U - High-frequency connector with stable signal - Google Patents

Abstract

The utility model relates to the technical field of signal detection, in particular to a high-frequency connector with stable signals, which comprises a mounting structure, a transmission line and a contact structure, wherein the contact structure comprises a grounding shell, an insulating sleeve and a spring needle, the insulating sleeve is arranged on the grounding shell, the grounding shell is sleeved on the transmission line, the spring needle penetrates through the insulating sleeve and partially extends out of the insulating sleeve, the spring needle is provided with a connecting part, and the spring needle is connected with the mounting structure through the connecting part and the transmission line. The utility model is connected with the equipment through the mounting structure, the contact structure is contacted with the high-frequency signal source such as the antenna, and the spring needle is abutted against the high-frequency signal source, so that the high-frequency signal is transmitted to the equipment through the contact structure, the transmission line and the mounting structure, in the transmission process, the insulating sleeve can prevent the leakage of the electric signal, the external electric signal is prevented from entering the transmission channel, and the grounding shell has the grounding effect and is used for realizing the filtering effect in the signal transmission process, thereby reducing the interference of external signals.

Description

High-frequency connector with stable signal

Technical Field

The utility model relates to the technical field of signal detection, in particular to a high-frequency connector with stable signals.

Background

The high-frequency connector generally refers to a connector used in a circuit having an operating frequency of 100MHz or more. Such connectors are structurally designed to take into account leakage, reflection, etc. of the high frequency electric field. Coaxial connectors are also commonly referred to as coaxial connectors because coaxial connections are typically made using coaxial structures.

The stability of the existing high-frequency connector is poor, so that when the high-frequency signal is tested, the test result is easily influenced by surrounding interference, and the accuracy of the result is reduced.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides a high-frequency connector with stable signals, which is connected with equipment through a mounting structure, a contact structure is contacted with high-frequency signal sources such as an antenna and the like, and a spring needle is in contact with the high-frequency signal sources, so that high-frequency signals are transmitted to the equipment through the contact structure, a transmission line and the mounting structure, in the transmission process, an insulating sleeve can prevent electric signals from leaking, and external electric signals from entering a transmission channel, and a grounding shell has a grounding effect and is used for realizing a filtering effect in the signal transmission process, so that interference of external signals is reduced.

In order to achieve the above object, a signal-stabilizing high-frequency connector of the present utility model includes a mounting structure for fitting to an external device, a transmission line, and a contact structure;

The contact structure comprises a grounding shell, an insulating sleeve and a spring needle, wherein the insulating sleeve is arranged at one end of the grounding shell, the other end of the grounding shell is sleeved on the transmission line, the spring needle penetrates through the insulating sleeve and partially stretches out of the insulating sleeve, the spring needle is provided with a connecting part, the spring needle is connected with one end of the transmission line through the connecting part, and the other end of the transmission line is connected with the mounting structure;

the information number received by the spring needle is transmitted to external equipment through the connecting part, the transmission line and the mounting structure.

Preferably, the spring needle comprises a tube body, a warhead, a conducting part, a sleeving part, a spring and a shrinking part, wherein the tube body is arranged in the insulating sleeve, the warhead, the conducting part and the sleeving part are sequentially connected, the conducting part is slidably arranged in the tube body, the warhead stretches out of the tube body, the insulating sleeve and the grounding shell, one end of the spring is sleeved on the sleeving part, the other end of the spring is in contact with the shrinking part, and the shrinking part is connected with the connecting part.

Preferably, an opening is formed at one end of the pipe body, and the warhead extends out of the pipe body, the insulating sleeve and the grounding shell through the opening;

The inner diameter of the tube body > the diameter of the conductive portion > the aperture of the opening > the diameter of the bullet.

Preferably, the transmission line comprises a first insulating layer, a shielding layer, a second insulating layer and a wire core, wherein the shielding layer is arranged in the first insulating layer, the second insulating layer is arranged in the shielding layer, and the wire core is arranged in the second insulating layer;

The shielding layer is electrically connected with the grounding shell;

One end of the wire core protrudes out of the shielding layer, is inserted into the connecting portion and is connected with the connecting portion.

Preferably, the grounding shell is provided with two through holes.

Preferably, the grounding shell is provided with a first limiting part, the insulating sleeve is provided with a first abutting part, the insulating sleeve is provided with a second limiting part, and the spring needle shell abuts against the second limiting part.

Preferably, the mounting structure comprises a mounting head, and external threads connected with external equipment are arranged on the outer side of the mounting head;

The mounting head is internally provided with a connecting cavity, the connecting cavity is internally provided with a sealing element, a lead element, a conductive element and a power receiving element, the sealing element is fixed in the connecting cavity, one end of the lead element is fixed in the connecting cavity and is abutted against one end of the sealing element, and the other end of the lead element extends out of the connecting cavity;

the conductive piece and the electric receiving piece are connected and arranged in the sealing piece, the conductive piece is arranged between the electric receiving piece and the lead piece, and one end of the electric receiving piece extends out of the sealing piece;

One end of the transmission line penetrates through the lead piece and the sealing piece to be connected with the conductive piece.

Preferably, the sealing member includes a first sealing portion, a second sealing portion, and a third sealing portion, the first sealing portion is connected with the second sealing portion, and the third sealing portion is disposed at a center of the second sealing portion toward one end of the lead member.

Preferably, one end of the lead piece extending out of the connecting cavity is wrapped with a heat-shrinkable sleeve, and a convex ring is arranged at the joint of the lead piece and the heat-shrinkable sleeve.

Preferably, the conductive piece is provided with a tin storage cavity, and the tin storage cavity is provided with a connecting port communicated with the tin storage cavity and a tin injection hole;

Connecting holes are formed in two ends of the electric connecting piece, and deformation grooves are formed in the connecting holes at intervals.

The utility model has the beneficial effects that: the utility model is connected with the equipment through the mounting structure, the contact structure is contacted with the high-frequency signal source such as the antenna, and the spring needle is abutted against the high-frequency signal source, so that the high-frequency signal is transmitted to the equipment through the contact structure, the transmission line and the mounting structure, the insulating sleeve can prevent the leakage of the electric signal and the external electric signal from entering the transmission channel in the transmission process, and the grounding shell has the grounding effect and is used for realizing the filtering effect in the signal transmission process, thereby reducing the interference of external signals.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural diagram of a transmission line and a contact structure according to the present utility model.

Fig. 3 is a schematic view of the structure of the pogo pin of the present utility model.

Fig. 4 is a schematic structural view of the mounting structure of the present utility model.

The reference numerals include:

1. A mounting structure; 11. a mounting head; 111. an external thread; 12. a connecting cavity; 13. a seal; 131. a first sealing part; 132. a second sealing part; 133. a third sealing part; 14. a lead member; 141. a convex ring; 15. a conductive member; 151. a tin storage cavity; 152. a connection port; 153. a tin injection hole; 16. a power receiving member; 161. a connection hole; 162. a modification groove; 17. a heat-shrinkable sleeve; 2. a transmission line; 21. a first insulating layer; 22. a shielding layer; 23. a second insulating layer; 24. a wire core; 3. a contact structure; 31. a grounded shell; 311. a through hole; 312. a first limit part; 32. an insulating sleeve; 321. a first abutting portion; 322. a second limit part; 4. a spring needle; 40. a connection part; 41. a tube body; 411. an opening; 42. a bullet; 43. a conductive portion; 44. a socket joint part; 45. a spring; 46. a constriction.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a signal-stabilizing high-frequency connector of the present utility model includes a mounting structure 1, a transmission line 2, and a contact structure 3, the mounting structure 1 being for fitting to an external device. The contact structure 3 includes a grounding shell 31, an insulating sleeve 32, and a spring pin 4, wherein the insulating sleeve 32 is disposed at one end of the grounding shell 31, so that the insulating sleeve 32 is fixed to the grounding shell 31. The other end of the grounding shell 31 is sleeved on the transmission line 2, so that the transmission line 2 is connected with the grounding shell 31.

The spring pin 4 penetrates through the insulating sleeve 32 and partially extends out of the insulating sleeve 32, so that the high-frequency connector is convenient to connect with a high-frequency signal source through the spring pin 4.

The spring needle 4 is provided with the connecting portion 40, and the spring needle 4 is connected with one end of the transmission line 2 through the connecting portion 40, specifically, the connecting portion 40 is welded with one end of the transmission line 2, so that the transmission line 2 is connected with the spring needle 4, and the spring needle is convenient to produce and ensures stable transmission of a signal source. The other end of the transmission line 2 is connected to the mounting structure 1, so that the mounting structure 1, the transmission line 2 and the contact structure 3 are communicated.

The information number received by the pogo pin 4 is transmitted to the external device via the connection portion 40, the transmission line 2, and the mounting structure 1.

During the use, be connected with equipment through mounting structure 1, contact structure 3 contacts with high frequency signal source such as antenna, spring needle 4 contradicts with high frequency signal source to make high frequency signal pass through contact structure 3, transmission line 2 and mounting structure 1 transmission to equipment, in the transmission send the in-process, insulating cover 32 can avoid the electrical signal to take place to leak, and avoid external electrical signal to get into transmission channel in, and ground shell 31 then plays the earthing effect for realize the filter effect to the transmission signal in-process, thereby reduce the interference of extraneous signal.

The pogo pin 4 of the present embodiment includes a pipe body 41, a warhead 42, a conductive portion 43, a socket portion 44, a spring 45, and a constricted portion 46. The tube 41 is provided in the insulating sleeve 32, and the warhead 42, the conductive portion 43, and the socket portion 44 are connected in this order, so that the warhead 42, the conductive portion 43, and the socket portion 44 form an integral abutting portion. The conductive part 43 is slidably disposed on the tube 41, and the bullet 42 extends out of the tube 41, the insulating sleeve 32 and the grounding shell 31, so that the pogo pin 4 is convenient to collide with the high-frequency signal source. One end of the spring 45 is sleeved on the sleeving part 44, the other end of the spring 45 is abutted against the contraction part 46, and the spring 45 provides elasticity for the abutting part, so that the protection of the abutting part is abutted against the protection of the high-frequency signal source. The constricted portion 46 is connected to the connecting portion 40, and the pogo pin 4 is connected to one end of the transmission line 2 through the connecting portion 40.

In use, the high frequency signal source is in interference with the pogo pin 4, and the high frequency signal is conducted to the transmission line 2 through the bullet 42, the conducting portion 43, the socket portion 44, the spring 45, the tube 41, the contracting portion 46 and the connecting portion 40.

One end of the tube 41 of the present embodiment is provided with an opening 411, and the warhead 42 extends out of the tube 41, the insulating sleeve 32 and the grounding shell 31 through the opening 411, so that the warhead 42 extends out of the tube 41, the insulating sleeve 32 and the grounding shell 31.

The inner diameter of the tube 41 > the diameter of the conductive portion 43 > the diameter of the opening 411 > the diameter of the bullet 42, so that the conductive portion 43 is restricted to the tube 41 and the bullet 42 stretches into and out of the opening 411.

The transmission line 2 of the present embodiment includes a first insulating layer 21, a shielding layer 22, a second insulating layer 23, and a wire core 24, where the shielding layer 22 is disposed in the first insulating layer 21, the second insulating layer 23 is disposed in the shielding layer 22, and the wire core 24 is disposed in the second insulating layer 23, and the first insulating layer 21 plays a role in protecting, specifically, separating the shielding layer 22 from the outside. The second insulating layer 23 serves to separate the shielding layer 22 from the core 24, and prevent the two from contacting each other to form a short circuit.

The shielding layer 22 is electrically connected with the grounding shell 31, so that the transmission line 2 can be grounded through the grounding shell 6, and the effects of grounding protection and signal shielding are achieved.

One end of the wire core 24 protrudes out of the shielding layer 22, is inserted into the connecting part 40 and is connected with the connecting part 40, so that the transmission line 2 is connected with the connecting part 40, and signal transmission is facilitated.

The ground shell 31 of the present embodiment is provided with two through holes 311. One of the through holes 311 is used for injecting tin into the grounding shell 31, namely liquid tin enters the grounding shell 31 after passing through the through hole 311, so that the grounding shell 31 and the shielding layer 22 of the transmission line 2 are welded together through the liquid tin, the transmission line 2 is ensured to be grounded through the grounding shell 6, and the effects of grounding protection and signal shielding are achieved. The other through hole 311 serves to exhaust air and allow a worker to observe the inside of the ground shell 31 through a microscopic means.

The grounding shell 31 of the present embodiment is provided with a first limiting portion 312, the insulating sleeve 32 is provided with a first abutting portion 321, and the insulating sleeve 32 is limited to the grounding shell 31 through the first limiting portion 312 and the first abutting portion 321.

The insulating sleeve 32 is provided with a second limiting part 322, and the outer shell of the spring needle 4 is abutted against the second limiting part 322, so that the spring needle 4 is limited to the insulating sleeve 32.

The mounting structure 1 of the present embodiment includes a mounting head 11, and an external thread 111 connected with external equipment is provided outside the mounting head 11, and a high-frequency connector is connected with the external equipment through the external thread 111.

A connecting cavity 12 is arranged in the mounting head 11, and a sealing member 13, a lead member 14, a conductive member 15 and a power receiving member 16 are arranged in the connecting cavity 12. The sealing element 13 is fixed in the connecting cavity 12, one end of the lead element 14 is fixed in the connecting cavity 12 and is abutted against one end of the sealing element 13, and the other end of the lead element 14 extends out of the connecting cavity 12.

The conductive member 15 and the power receiving member 16 are connected and disposed in the sealing member 13, so that the conductive member 15 and the power receiving member 16 are fixed to the sealing member 13. The conductive member 15 is disposed between the power receiving member 16 and the lead member 14, and the lead member 14 is connected to the power receiving member 16 via the conductive member 15. One end of the electrical connector 16 extends out of the sealing member 13, so that signals transmitted by the electrical connector 16 can be conveniently transmitted to external equipment.

One end of the transmission line 2 penetrates through the lead piece 14 and the sealing piece 13 to be connected with the conductive piece 15, so that a signal conducted by the transmission line 2 is transmitted to the conductive piece 15, and high-frequency conduction is realized on the mounting structure 1.

The sealing member 13 of the present embodiment includes a first sealing portion 131, a second sealing portion 132, and a third sealing portion 133, where the first sealing portion 131 and the second sealing portion 132 are connected, and the third sealing portion 133 is disposed at a center of the second sealing portion 132 facing one end of the lead member 14, so that the connection portion of the conductive member 15 of the transmission line 2 is sealed, and the inside of the mounting structure 1 is waterproof.

The end of the lead 14 extending out of the connecting cavity 12 is wrapped with a heat shrinkage sleeve 17, so that the connection between the lead 14 and the transmission line 2 is protected. The convex ring 141 is arranged at the joint of the lead piece 14 and the heat-shrinkable sleeve 17, so that the heat-shrinkable sleeve 17 is wrapped on the surface of the lead piece 14 and the heat-shrinkable sleeve 17 is not easy to separate from the lead piece 14.

The conductive member 15 of this embodiment is provided with a tin storage cavity 151, the tin storage cavity 151 is provided with a connection port 152 and a tin injection hole 153, which are communicated with the tin storage cavity 151, and when in use, the wire core 24 is inserted into the conductive member 15 through the connection port 152, and liquid tin is injected into the tin storage cavity 151 through the tin injection hole 153, so that the transmission line 2 is welded with the conductive member 15.

The two ends of the electric connector 16 are provided with connecting holes 161, one connecting hole 161 is connected with the electric conductor 15, and the other connecting hole 161 is connected with a terminal for transmitting signals on external equipment. The connecting holes 161 are provided with deformation grooves 162 at intervals, the connecting holes 161 are deformable through the deformation grooves 162, so that the connecting holes 161 are convenient to be sleeved with terminals for transmitting signals on external devices, and the mounting structure 1 is connected with the external devices.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. A high frequency connector with stable signal, characterized in that: comprises a mounting structure (1), a transmission line (2) and a contact structure (3), wherein the mounting structure (1) is used for being assembled on external equipment;

The contact structure (3) comprises a grounding shell (31), an insulating sleeve (32) and a spring needle (4), wherein the insulating sleeve (32) is arranged at one end of the grounding shell (31), the other end of the grounding shell (31) is sleeved on the transmission line (2), the spring needle (4) penetrates through the insulating sleeve (32) and partially stretches out of the insulating sleeve (32), the spring needle (4) is provided with a connecting part (40), the spring needle (4) is connected with one end of the transmission line (2) through the connecting part (40), and the other end of the transmission line (2) is connected with the mounting structure (1);

The information number received by the spring needle (4) is transmitted to the external equipment through the connecting part (40), the transmission line (2) and the mounting structure (1).

2. A signal stabilizing high frequency connector as claimed in claim 1, wherein: the spring needle (4) comprises a tube body (41), a warhead (42), a conducting part (43), a sleeving part (44), a spring (45) and a shrinking part (46), wherein the tube body (41) is arranged on the insulating sleeve (32), the warhead (42), the conducting part (43) and the sleeving part (44) are sequentially connected, the conducting part (43) is slidably arranged on the tube body (41), the warhead (42) extends out of the tube body (41), the insulating sleeve (32) and the grounding shell (31), one end of the spring (45) is sleeved on the sleeving part (44), the other end of the spring (45) is in conflict with the shrinking part (46), and the shrinking part (46) is connected with the connecting part (40).

3. A signal stabilizing high frequency connector as claimed in claim 2, wherein: an opening (411) is formed in one end of the pipe body (41), and the warhead (42) extends out of the pipe body (41), the insulating sleeve (32) and the grounding shell (31) through the opening (411);

the inner diameter of the tube body (41) is greater than the diameter of the conductive portion (43) and the diameter of the opening (411) is greater than the diameter of the bullet (42).

4. A signal stabilizing high frequency connector as claimed in claim 1, wherein: the transmission line (2) comprises a first insulating layer (21), a shielding layer (22), a second insulating layer (23) and a wire core (24), wherein the shielding layer (22) is arranged in the first insulating layer (21), the second insulating layer (23) is arranged in the shielding layer (22), and the wire core (24) is arranged in the second insulating layer (23);

The shielding layer (22) is electrically connected with the grounding shell (31);

One end of the wire core (24) protrudes out of the shielding layer (22) and is inserted into the connecting portion (40) and is connected with the connecting portion (40).

5. A signal stabilizing high frequency connector as claimed in claim 1, wherein: the grounding shell (31) is provided with two through holes (311).

6. A signal stabilizing high frequency connector as claimed in claim 1, wherein: the grounding shell (31) is provided with a first limiting part (312), the insulating sleeve (32) is provided with a first abutting part (321), the insulating sleeve (32) is provided with a second limiting part (322), and the spring needle (4) shell abuts against the second limiting part (322).

7. A signal stabilizing high frequency connector as claimed in claim 1, wherein: the mounting structure (1) comprises a mounting head (11), wherein external threads (111) connected with external equipment are arranged on the outer side of the mounting head (11);

A connecting cavity (12) is formed in the mounting head (11), a sealing element (13), a lead element (14), a conductive element (15) and a power connecting element (16) are arranged in the connecting cavity (12), the sealing element (13) is fixed in the connecting cavity (12), one end of the lead element (14) is fixed in the connecting cavity (12) and is abutted against one end of the sealing element (13), and the other end of the lead element (14) extends out of the connecting cavity (12);

the conductive piece (15) and the electric receiving piece (16) are connected and arranged in the sealing piece (13), the conductive piece (15) is arranged between the electric receiving piece (16) and the lead piece (14), and one end of the electric receiving piece (16) extends out of the sealing piece (13);

One end of the transmission line (2) penetrates through the lead piece (14) and the sealing piece (13) to be connected with the conductive piece (15).

8. A signal stabilizing high frequency connector as claimed in claim 7, wherein: the sealing element (13) comprises a first sealing part (131), a second sealing part (132) and a third sealing part (133), wherein the first sealing part (131) is connected with the second sealing part (132), and the third sealing part (133) is arranged at the center of one end of the second sealing part (132) facing the lead element (14).

9. A signal stabilizing high frequency connector as claimed in claim 7, wherein: one end of the lead piece (14) extending out of the connecting cavity (12) is wrapped with a heat-shrinkable sleeve (17), and a convex ring (141) is arranged at the joint of the lead piece (14) and the heat-shrinkable sleeve (17).

10. A signal stabilizing high frequency connector as claimed in claim 7, wherein: the conductive piece (15) is provided with a tin storage cavity (151), and the tin storage cavity (151) is provided with a connecting port (152) and a tin injection hole (153) which are communicated with the tin storage cavity (151);

Connecting holes (161) are formed in two ends of the power receiving piece (16), and deformation grooves (162) are formed in the connecting holes (161) at intervals.