CN220368261U - Coaxial adapter connector - Google Patents

Abstract

The utility model provides a coaxial adapter connector comprising three coaxial connectors and an insulating fixture (14); the three coaxial connectors are electrically connected and are in a Y-shaped connection structure; the three coaxial connectors are a first coaxial connector (11), a second coaxial connector (12) and a third coaxial connector (13) respectively. The coaxial adapter connector can be compatible with functions of power supply, data transmission, signal transmission and the like, and is applicable to coaxial connectors containing two conductors or three conductors.

Description

Coaxial adapter connector

Technical Field

The present utility model relates to the field of electrical connectors, and in particular, to a coaxial adapter connector.

Background

At present, the use requirements of people on connectors are higher and higher, and the connector has a waterproof performance and is becoming a common requirement. Meanwhile, when people use coaxial lines with different lengths to pair, the situation that cables are disordered often occurs, but the problem can be well solved by using the small-sized adapter. In addition, the coaxial cable has a higher and higher function requirement, and is not limited to a power supply function, but is required to have a function of transmitting data, signals, and the like.

In view of this, it is necessary to design a new coaxial adapter to solve the above problems, that is, not only to meet the waterproof requirement, but also to miniaturize the product, and to have the data and signal transmission function and the power supply function.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a coaxial adapter connector, so as to solve the problems of the existing electronic connector when three external connectors are connected simultaneously.

To achieve the above and other related objects, the present utility model is achieved by comprising the following technical solutions.

The present utility model provides a coaxial adapter connector comprising: three coaxial connectors and an insulating fixture; the three coaxial connectors are electrically connected and are in a Y-shaped connection structure; the three coaxial connectors are a first coaxial connector, a second coaxial connector and a third coaxial connector respectively.

Preferably, the coaxial adapter connector further comprises an inner molded part that completely encloses the insulating fixture and all conductive points of the electrical connection. In a specific embodiment, the inner mold injection mold partially encloses the three coaxial connectors, exposing the transition ports of the three coaxial connectors.

Preferably, the coaxial adapter connector further comprises a core wire.

Preferably, the third coaxial connector is in a Y-type connection structure by electrically connecting the second coaxial connector and the first coaxial connector. Preferably, the first coaxial connector, the second coaxial connector and the third coaxial connector are coaxial connectors containing two conductors or three conductors.

Preferably, the coaxial adapter connector further comprises an over-molded part, which is wrapped outside the inner molded part. In a specific embodiment, the overmold entirely encases the first coaxial connector, the second coaxial connector, and the insulating fixture, partially encases the third coaxial connector such that the transition opening of the third coaxial connector is exposed.

Preferably, the female end switching mouth of the outer mold injection molding piece is provided with a waterproof groove, and the male end switching mouth of the outer mold injection molding piece is provided with a waterproof convex rib. The waterproof function can be realized when the two are matched for use. After the coaxial adapter connector is matched with the connector in a male-female mode, the waterproof function can be achieved through the waterproof feature.

Preferably, the outer die injection molding piece is provided with an anti-slip structure.

Preferably, the connection conduction modes of the three coaxial connectors comprise the following two modes: any terminal on the third coaxial connector is electrically connected with any terminal on the first coaxial connector and any terminal on the second coaxial connector through core wires respectively, and the core wires are fixed on the insulating fixing piece; or a circuit is formed on the insulating fixing piece to form the PCBA; the three coaxial connectors are then electrically connected to the PCBA via the core wires, respectively.

Preferably, the coaxial connector containing two conductors has an outer diameter dimension of at most 5.0mm. The product has compact structure and is suitable for occasions with smaller equipment or instrument connection space.

Preferably, the coaxial connector containing three conductors has an outer diameter dimension of at most 5.8mm. The product has compact structure and is suitable for occasions with smaller equipment or instrument connection space.

Preferably, the coaxial connector comprising two conductors comprises one or more of a female connector comprising two conductors and a male connector comprising two conductors.

Preferably, the coaxial connector comprising three conductors comprises one or more of a female connector comprising three conductors and a male connector comprising three conductors.

Preferably, the female end coaxial connector comprising two conductors comprises: the female end inner conductor, the outer conductor, the first hard plastic sheath and the first soft plastic sheath. The first hard plastic sheath is used for insulating and protecting the inner conductor and the outer conductor of the female end; the first soft plastic sheath is wrapped outside the first hard plastic sheath.

Preferably, the first hard plastic sheath is provided with a clamping structure for realizing sealing connection with the external connecting piece and water resistance. In a specific embodiment, the clamping structure is a first clamping groove arranged between the first hard plastic sheath and the first soft plastic sheath.

Preferably, the outer conductor is provided with a clamping structure for realizing electric connection with the external connector. In a specific embodiment, the clamping structure is a first V-shaped groove.

Preferably, the male coaxial connector comprising two conductors comprises a crown spring, a male inner conductor, a copper ring, a first hard plastic insulator and a second soft plastic jacket. The crown spring is arranged on the copper ring, and the first hard plastic insulating part is used for insulating and protecting the inner conductor of the male end; the second soft plastic sheath is wrapped outside the first hard plastic insulating piece.

Preferably, the second soft plastic sheath is provided with a clamping structure for realizing sealing connection with the external connecting piece and water resistance. In a specific embodiment, the clamping structure is a first boss.

Preferably, the three conductor containing male end coaxial connector includes a first crown spring terminal, a second crown spring terminal, a male end center terminal, a second hard plastic insulator, and a third soft plastic jacket. The distance from the second crown spring terminal to the male end center terminal is larger than that from the first crown spring terminal to the male end center terminal, and the first crown spring terminal and the second crown spring terminal are arranged in an insulating mode. The second hard plastic insulating piece is used for insulating and protecting the male end center terminal; the third soft plastic sheath is wrapped outside the second hard plastic insulator and the second crown spring terminal.

Preferably, the third soft plastic sheath is provided with a clamping structure for realizing sealing connection with the external connecting piece and water resistance. In a specific embodiment, the clamping structure is a second boss.

Preferably, the female end coaxial connector containing three conductors includes a first jacket terminal, a second jacket terminal, a female end center terminal, a second hard plastic jacket, and a fourth soft plastic jacket. The distance from the second sheath terminal to the female end center terminal is greater than the distance from the first sheath terminal to the female end center terminal. The second hard plastic sheath is used for insulating and protecting the second sheath terminal; the fourth soft plastic sheath is wrapped outside the second hard plastic sheath.

Preferably, the second hard plastic sheath is provided with a clamping structure for realizing sealing connection with the external connecting piece and water resistance. In a specific embodiment, the clamping structure is a second clamping groove between a second hard plastic sheath and a fourth soft plastic sheath.

Preferably, the first sheath terminal is provided with a clamping structure for realizing electric connection with the external connector. In a specific embodiment, the clamping structure is a second V-shaped groove.

As described above, the coaxial adapter connector mainly meets the application scene of simultaneously connecting three external connectors, and can realize the electric connection and conduction of the three coaxial connectors, thereby realizing the functions of current transmission, signal transmission, data transmission and the like. The novel adapter is suitable for coaxial connectors with two conductors or three conductors, has no influence of fool-proof characteristics, and is convenient for customers to plug and pull.

Drawings

Fig. 1 shows one of the schematic structural views of the coaxial adapter connector of the present utility model.

Fig. 2 shows a second schematic structure of the coaxial adapter connector of the present utility model.

Fig. 3 shows a third schematic structure of the coaxial adapter connector of the present utility model.

Fig. 4 is a schematic view of the structure of the female end of the coaxial adapter connector of the present utility model including two conductors.

Fig. 5 is a schematic view of the male end of the coaxial adapter connector of the present utility model having two conductors.

Fig. 6 is a schematic view of the structure of a male end of the coaxial adapter connector of the present utility model having three conductors.

Fig. 7 is a schematic view of the structure of the female end of the coaxial adapter connector of the present utility model including three conductors.

Fig. 8 is a schematic structural view of the coaxial adapter connector of the present utility model before connecting with an external connector.

Fig. 9 is a schematic structural view of the coaxial adapter connector of the present utility model after being connected to an external connector.

Description of reference numerals in FIGS. 1-9

1. Coaxial adapter connector

11. First coaxial connector

12. Second coaxial connector

13. Third coaxial connector

14. Insulating fixing piece

15. Core wire

16. Internal mold injection molding piece

17. External mold injection molding

18. Anti-skid structure

21. Outer conductor

22. First hard plastic sheath

23. First clamping groove

24. First soft plastic sheath

25. First V-shaped groove

26. Female end inner conductor

31. First boss

32. Copper ring

33. First hard plastic insulating part

34. Second soft plastic sheath

35. Male end inner conductor

36. Crown spring

41. Second crown spring terminal

42. First crown spring terminal

43. Male end center terminal

44. Second boss

46. Second hard plastic insulating part

47. Third soft plastic sheath

51. First sheath terminal

52. Second sheath terminal

53. Female end center terminal

54. Second V-shaped groove

55. Second hard plastic sheath

56. Second clamping groove

57. Fourth soft plastic sheath

61. Waterproof groove

62. Waterproof convex rib

63. Waterproof structure

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Please refer to fig. 1 to 9. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

As shown in fig. 1, the present embodiment provides a specific coaxial adapter connector, which includes: three coaxial connectors and an insulating fixture 14; the three coaxial connectors are electrically connected and have a Y-shaped connection structure.

As shown in fig. 1, the three coaxial connectors are specifically a first coaxial connector 11, a second coaxial connector 12, and a third coaxial connector 13.

As shown in fig. 1, more specifically, the third coaxial connector 13 has a Y-shaped connection structure by electrically connecting the second coaxial connector 12 and the first coaxial connector 11.

Implementations of the electrical connection for three coaxial connectors include at least the following two specific embodiments.

In a specific embodiment, the connector further includes a core wire 15, and any terminal on the third coaxial connector 13 is electrically connected to any terminal on the first coaxial connector 11 and the second coaxial connector 12 through the core wire, and the core wire 15 is fixed on the insulating fixing member 14.

In another side-by-side embodiment, the insulating fixture 14 has a circuit formed thereon, constituting a PCBA; the three coaxial connectors are then electrically connected to the PCBA via the core wires, respectively.

In a preferred embodiment as shown in fig. 2, the coaxial adapter connector further comprises an inner molded part 16, the inner molded part 16 completely surrounding the insulating fixture and all conductive points of electrical connection. In a more specific embodiment as shown in fig. 2, the inner mold injection molding 16 partially encloses the three coaxial connectors, exposing the transition ports of the three coaxial connectors. The arrangement of the inner film injection molding piece 16 can protect welding spots and improve the waterproof effect.

In a preferred embodiment as shown in fig. 3, the coaxial adapter connector 1 further comprises an over-molded part 17, which over-molded part 17 is wrapped outside the inner molded part 16. In a specific embodiment as shown in fig. 3, the over-mold 17 covers the first coaxial connector 11 and the second coaxial connector 12 entirely, and a connecting structure of an external connector is formed on the over-mold 17, and the third coaxial connector 13 is partially covered, so that the transfer port of the third coaxial connector 13 is exposed.

In one embodiment, the overmold 17 is provided with a slip resistant structure 18. In a more specific embodiment as shown in fig. 3, the overmold 17 has wavy lines formed thereon for slip resistance.

In a more specific embodiment, the first coaxial connector 11, the second coaxial connector 12 and the third coaxial connector 13 are coaxial connectors containing two conductors or containing three conductors. I.e. 2pin or 3pin.

In a preferred embodiment as shown in fig. 4, the 2pin female end coaxial connector comprises a female end inner conductor 26, an outer conductor 21, a first hard plastic jacket 22 and a first soft plastic jacket 24. The first hard plastic sheath 22 is used for insulating and protecting the female end inner conductor 26 and the outer conductor 21; the first soft plastic sheath 24 is wrapped around the first hard plastic sheath 22. Wherein the outer conductor 21 and the first hard plastic sheath 22 are molded integrally, and the first soft plastic sheath 24 is wrapped on the tail.

In one embodiment, the outer conductor 21 is provided with a clamping structure for electrically connecting with an external connector. In one embodiment, as shown in fig. 4, the engagement structure is a first V-shaped groove 25.

In one embodiment, the first rigid plastic sheath 22 is provided with a snap-fit structure for sealing connection with the external member and for waterproofing. In one embodiment, as shown in fig. 4, the locking structure is a first locking groove 23 formed on the first hard plastic sheath 22 and adjacent to the first soft plastic sheath 24.

In practical use, the first clamping groove 23 of the female connector with two conductors is used for being connected and locked with the male end of the external connector through the matched boss structure, so that the coaxial connector can be conveniently plugged and pulled out, and the waterproof effect can be achieved. The boss structure is consistent with the boss structure disclosed in the present application.

In use, the first V-shaped groove 25 provided on the outer conductor 21 is in mating electrical connection with the male terminal of the external connector to effect transmission of electrical signals.

In a preferred embodiment as shown in fig. 5, the 2pin male coaxial connector comprises a crown spring 36, a male inner conductor 35, a copper ring 32, a first hard plastic insulator 33 and a second soft plastic jacket 34. The crown spring 36 is arranged on the copper ring 32, and the first hard plastic insulator 33 is used for insulating and protecting the male end inner conductor 35; a second soft plastic sheath 34 is wrapped around the first hard plastic insulator 33. In a more specific embodiment, the copper ring 32 is embedded in the first hard plastic insulator 33. Thereby, the copper ring 32 is fixedly provided.

In use, the crown spring 36 is in mating electrical connection with the terminals of the female end fitting.

In yet another embodiment, a snap-fit structure is provided on the second soft plastic sheath 34 for sealing connection with the external member and for waterproofing. In the specific embodiment shown in fig. 5, the fastening structure is a first boss 31. When the waterproof plug is used, the first boss 31 is connected and locked with the female end of the external connector through the matched clamping groove, so that the waterproof plug is convenient to plug, and the waterproof plug has a waterproof effect. The card slot structure is consistent with the card slot structure disclosed in the application.

In a preferred embodiment as shown in fig. 6, the 3pin male coaxial connector comprises a first crown spring terminal 42, a second crown spring terminal 41, a male center terminal 43, a second hard plastic insulator 46 and a third soft plastic jacket 47. The distance from the second crown spring terminal 41 to the male end center terminal 43 is larger than the distance from the first crown spring terminal 42 to the male end center terminal 43, and the first crown spring terminal 42 and the second crown spring terminal 41 are arranged in an insulating manner. The second hard plastic insulator 46 is used for insulating and protecting the male end center terminal 43; the third soft plastic sheath 47 is wrapped around the second hard plastic insulator 46 and the second crown spring terminal 41.

In yet another embodiment, a snap-fit structure is provided on the third soft plastic sheath 47 for sealing connection with the external member and for waterproofing. In the specific embodiment shown in fig. 6, the fastening structure is a second boss 44.

In a preferred embodiment as shown in fig. 7, the 3pin female end coaxial connector includes a first jacket terminal 51, a second jacket terminal 52, a female end center terminal 53, a second hard plastic jacket 55, and a fourth soft plastic jacket 57. The distance from the second sheath terminal 52 to the female end center terminal 53 is greater than the distance from the first sheath terminal 51 to the female end center terminal 53. The second hard plastic sheath 55 is used for insulating and protecting the second sheath terminal 52; the fourth soft plastic sheath 57 is wrapped around the second hard plastic sheath 55.

In yet another embodiment, the first sheath terminal 51 is provided with a clamping structure for electrically connecting with an external connector. In the specific embodiment shown in fig. 7, the clamping structure is a second V-shaped groove 54.

In a specific embodiment, the second hard plastic sheath 55 is provided with a clamping structure for sealing connection with the external member and preventing water, and in the specific embodiment shown in fig. 7, the clamping structure is a second clamping groove 56 formed on the second hard plastic sheath 55 and adjacent to the fourth soft plastic sheath 57.

In actual use, the second clamping groove 56 is connected and locked with the male end of the external connector through the matched boss structure, so that the plug is convenient, and the waterproof effect can be achieved. The boss structure is consistent with the boss structure disclosed in the present application.

When the coaxial connector is used, after the male connector and the female connector are matched, the double loop formed by three terminals at the male end is as follows: loop 1 is: a first crown spring terminal 42 and a sheath terminal of the external connector, and a center terminal formed after the mutual matching; loop 2 is: the second crown spring terminal 41 and the other sheath terminal of the external connector and the center terminal formed after the mutual engagement.

When the coaxial connector is used, after the male connector and the female connector are matched, the double loop formed by three terminals at the female end is as follows: loop 1 is: a first sheath terminal 51 and a crown spring terminal of the external connector, and a center terminal formed after the mutual matching; loop 2 is: the second sheath terminal 52 and the other crown spring terminal of the outer connector and the center terminal formed after the mating.

The formation of the double loops can further reduce the contact impedance in the working process by adding one branch on the basis of unchanged power supply voltage, increase the trunk current and greatly improve the working efficiency of the connector in the use process.

It is specifically stated that a coaxial connector containing three conductors is capable of being downward compatible with prior art coaxial connectors containing two conductors, either structurally, functionally or in its external dimensions.

The novel coaxial adapter can be used for arbitrarily combining various types of coaxial connectors according to the requirements of users so as to meet the different requirements of the users. Such as: the three coaxial connectors can be male end or female end coaxial connectors respectively according to the needs, and the number of conductors of the three coaxial connectors can be two or three.

In a preferred embodiment shown in fig. 8 and 9, the novel coaxial adaptor connector 1 is designed with a waterproof groove 61 at the female end adaptor of the over-molded part 17 and a waterproof rib 62 at the male end adaptor before male-female mating. The waterproof function is realized by the waterproof grooves 61 and/or the waterproof ribs 62 being matched with the waterproof structure on the external connector. As shown in fig. 9, the specific waterproof structure 63 is a snap fit of the groove and the rib. The waterproof design of this novel adapter connector makes this connector can realize IPX7 level waterproof requirement, and the product is small and exquisite portable, satisfies the use under the most scenes of customer.

In summary, the connector of the present utility model not only realizes functions of current transmission, signal transmission, etc. by electrically communicating and optimizing the three coaxial connectors (including two conductors or three conductors), but also can combine various types of coaxial connectors according to the user's needs, so as to meet the different needs of the user. Such as: the three coaxial connectors can be male end or female end coaxial connectors respectively according to the needs, and the number of conductors of the three coaxial connectors can be two or three. In addition, the waterproof design of this novel adapter connector makes this connector can realize IPX7 level waterproof requirement, and the product is small and exquisite portable, satisfies the use under the most scenes of customer.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. A coaxial adapter connector, the coaxial adapter connector comprising: three coaxial connectors and an insulating fixture (14); the three coaxial connectors are electrically connected and are in a Y-shaped connection structure; the three coaxial connectors are a first coaxial connector (11), a second coaxial connector (12) and a third coaxial connector (13) respectively.

2. The coaxial adapter connector of claim 1, further comprising an in-mold injection molding (16);

the inner mold injection molding piece (16) completely wraps the insulating fixing piece (14) and all conductive points electrically connected; and/or the coaxial adapter connector further comprises a core wire (15);

and/or, the third coaxial connector (13) is in a Y-shaped connection structure by electrically connecting the second coaxial connector (12) and the first coaxial connector (11);

and/or the first coaxial connector (11), the second coaxial connector (12) and the third coaxial connector (13) are coaxial connectors containing two conductors or coaxial connectors containing three conductors.

3. The coaxial adapter connector according to claim 2, further comprising an over-molded part (17), the over-molded part (17) being encased outside the inner molded part (16).

4. A coaxial adapter connector according to claim 3, characterized in that the female end adapter of the outer mould part (17) is provided with a waterproof groove (61), and the male end adapter of the outer mould part (17) is provided with a waterproof rib (62);

and/or the outer die injection molding piece (17) is provided with an anti-slip structure (18).

5. The coaxial adapter connector of claim 1, wherein the three coaxial connectors are electrically connected in two ways: any terminal on the third coaxial connector (13) is electrically connected to any terminal on the first coaxial connector (11) and the second coaxial connector (12) through a core wire (15), and the core wire (15) is fixed on an insulating fixing piece (14); or the insulating fixing piece (14) is provided with a circuit to form the PCBA, and then the three coaxial connectors are respectively and electrically connected with the PCBA through the core wires.

6. The coaxial adapter connector of claim 2, wherein the coaxial connector containing two conductors has an outer diameter dimension of at most 5.0mm;

and/or the coaxial connector comprising three conductors has an outer diameter dimension of at most 5.8mm;

and/or the coaxial connector comprising two conductors comprises one or more of a female end connector comprising two conductors and a male end connector comprising two conductors;

and/or the coaxial connector comprising three conductors comprises one or more of a female end connector comprising three conductors and a male end connector comprising three conductors.

7. The coaxial adapter connector of claim 6, wherein the female end coaxial connector comprising two conductors comprises: a female end inner conductor (26), an outer conductor (21), a first hard plastic sheath (22) and a first soft plastic sheath (24); the first hard plastic sheath (22) is used for insulating and protecting the female end inner conductor (26) and the outer conductor (21); the first soft plastic sheath (24) is wrapped outside the first hard plastic sheath (22);

and/or the male end coaxial connector comprising two conductors comprises a crown spring (36), a male end inner conductor (35), a copper ring (32), a first hard plastic insulator (33) and a second soft plastic sheath (34); the crown spring (36) is arranged on the copper ring (32), and the first hard plastic insulation part (33) is used for insulating and protecting the male end inner conductor (35); a second soft plastic sheath (34) is wrapped outside the first hard plastic insulator (33).

8. The coaxial adapter connector of claim 7, wherein the first rigid plastic sheath (22) is provided with a clamping structure for sealing connection with the external connector and preventing water;

and/or, the outer conductor (21) is provided with a clamping structure for realizing the electric connection with an external connector;

and/or the second soft plastic sheath (34) is provided with a clamping structure for realizing sealing connection with an external part and water resistance.

9. The coaxial adapter connector of claim 6, wherein the three conductor-containing male end coaxial connector includes a first crown spring terminal (42), a second crown spring terminal (41), a male end center terminal (43), a second hard plastic insulator (46), and a third soft plastic jacket (47); the distance from the second crown spring terminal (41) to the male end center terminal (43) is larger than the distance from the first crown spring terminal (42) to the male end center terminal (43), and the first crown spring terminal (42) and the second crown spring terminal (41) are arranged in an insulating mode; the second hard plastic insulating piece (46) is used for insulating and protecting the male end center terminal (43); the third soft plastic sheath (47) is wrapped outside the second hard plastic insulator (46) and the second crown spring terminal (41);

and/or the female end coaxial connector comprising three conductors comprises a first sheath terminal (51), a second sheath terminal (52), a female end central terminal (53), a second hard plastic sheath (55) and a fourth soft plastic sheath (57); the distance from the second sheath terminal (52) to the female end central terminal (53) is larger than the distance from the first sheath terminal (51) to the female end central terminal (53); the second hard plastic sheath (55) is used for insulating and protecting the second sheath terminal (52); the fourth soft plastic sheath (57) is wrapped outside the second hard plastic sheath (55).

10. The coaxial adapter connector according to claim 9, characterized in that the third soft plastic sheath (47) is provided with a clamping structure for realizing a sealing connection with the external member and waterproofing;

and/or, a clamping structure is arranged on the second hard plastic sheath (55) and is used for realizing sealing connection with an external part and water resistance; and/or, a clamping structure is arranged on the first sheath terminal (51) and used for realizing the electric connection with the external connector.