High-power quick-plug type connector

Abstract

The utility model discloses a high-power quick-plug connector, which comprises a male head and a female head, the male head comprises a first center pin, a first insulator and a first shell which are sequentially sleeved from inside to outside, and the female head comprises a second center pin, a second insulator and a second shell which are sequentially sleeved from inside to outside; the first center pin and the second center pin are matched in an inserted mode, a protruding annular boss is arranged at the end, close to the female head, of the first insulator, an annular groove matched with the annular boss is formed in the end, close to the male head, of the second insulator, and a creepage gap is formed between the annular boss and the annular groove. When the high-power quick-plug type connector is used, only the male head and the female head need to be plugged together, so that the operation is simple and convenient, and the working efficiency can be improved. After the male head and the female head are connected in an inserted mode, a long creepage gap is formed between the annular boss and the annular groove, safety and reliability are achieved, the contact area with air can be increased, the heat dissipation effect is better in the signal transmission process, and power improvement is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a high-power quick-plug connector. Background Art

[0002] The traditional 7 / 16DIN series coaxial connector is a larger 50 ohm impedance threaded connector with large power capacity, small voltage standing wave ratio, excellent third-order intermodulation performance, strong stability, low loss and other characteristics. It can be used outdoors as a connector for medium and high energy transmission and is widely used in microwave transmission and mobile communication systems. The traditional 7 / 16DIN series coaxial connector requires employees to use a wrench to tighten the male and female products to ensure connection and contact, which is inefficient. Therefore, it is necessary to design a high-power quick-plug connector that can be quickly installed and increase work efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a high-power quick-plug connector which can be quickly installed and increase working efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a high-power quick-plug connector, including a male head and a female head, the male head includes a first center pin, a first insulator and a first shell which are sequentially sleeved from the inside to the outside, and the female head includes a second center pin, a second insulator and a second shell which are sequentially sleeved from the inside to the outside; the first center pin is plugged into and matched with the second center pin, the first insulator is provided with a protruding annular boss at one end close to the female head, and the second insulator is provided with an annular groove which cooperates with the annular boss at one end close to the male head, and a creepage gap is formed between the annular boss and the annular groove.

[0005] Furthermore, the thickness of the annular boss gradually increases from an end close to the female head to an end away from the female head.

[0006] Furthermore, the cross section of the annular boss is trapezoidal or triangular.

[0007] Furthermore, the width of the creepage gap is in the range of 0.2-0.3 mm.

[0008] Furthermore, the second center needle is provided with a socket that cooperates with the first center needle at one end close to the male head, and a plurality of slots are also provided on the peripheral wall of the second center needle at one end close to the male head. The plurality of slots are arranged circumferentially around the second center needle, and the slots connect the outer wall surface of the second center needle and the slots.

[0009] Furthermore, a connecting hole is provided at one end of the first center needle away from the female connector and / or at one end of the second center needle away from the male connector.

[0010] Furthermore, the female connector also includes an outer conductor, which is sleeved between the second insulator and the second shell. A plurality of claws are provided on the outer conductor, and the plurality of claws are supported against the inner wall surface of the first shell.

[0011] Furthermore, a first protrusion is provided on the inner wall surface of the first shell, and a first slot cooperating with the first protrusion is provided on the outer wall surface of the first insulator; or, a first slot is provided on the inner wall surface of the first shell, and a first protrusion cooperating with the first slot is provided on the outer wall surface of the first insulator.

[0012] Furthermore, a second protrusion is provided on the inner wall surface of the first insulator, and a second groove cooperating with the second protrusion is provided on the outer wall surface of the first center needle; or, a second groove is provided on the inner wall surface of the first insulator, and a second protrusion cooperating with the second groove is provided on the outer wall surface of the first center needle.

[0013] Furthermore, a third protrusion is provided on the inner wall surface of the second insulator, and a third groove cooperating with the third protrusion is provided on the outer wall surface of the second center needle; or, a third groove is provided on the inner wall surface of the second insulator, and a third protrusion cooperating with the third groove is provided on the outer wall surface of the second center needle.

[0014] The beneficial effect of the utility model is that the high-power quick-plug connector only needs to plug the male head and the female head together during use, which is simple and convenient to operate and is conducive to improving work efficiency. After the male head and the female head are plugged together, a longer creepage gap is formed between the annular boss and the annular groove, which is safer and more reliable, and can increase the contact area with the air, so that the heat dissipation effect is better during signal transmission, which is conducive to increasing power. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an axial cross-sectional view of a high-power quick-plug connector according to Embodiment 1 of the present utility model;

[0016] Figure 2 This is an axial cross-sectional view of the female connector of the high-power quick-plug connector according to the first embodiment of the utility model;

[0017] Figure 3 This is an axial cross-sectional view of the male connector of the high-power quick-plug connector according to the first embodiment of the utility model.

[0018] Description of labels:

[0019] 1. Male connector;

[0020] 11. first center needle; 111. connecting hole; 112. second protrusion;

[0021] 12, first insulator; 121, annular boss; 122, first slot; 123, second slot;

[0022] 13. first housing; 131. first protrusion;

[0023] 2. Female connector;

[0024] 21, second center pin; 211, jack; 212, notch; 213, third protrusion;

[0025] 22, second insulator; 221, annular groove; 222, creepage clearance; 223, third slot;

[0026] 23. Second shell;

[0027] 24. Outer conductor; 241. Claw. DETAILED DESCRIPTION

[0028] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0029] Please refer to Figures 1 to 3 A high-power quick-plug connector includes a male connector 1 and a female connector 2, wherein the male connector 1 includes a first center pin 11, a first insulator 12 and a first shell 13 which are sequentially sleeved from the inside to the outside, and the female connector 2 includes a second center pin 21, a second insulator 22 and a second shell 23 which are sequentially sleeved from the inside to the outside; the first center pin 11 is plugged into and matched with the second center pin 21, and an end of the first insulator 12 close to the female connector 2 is provided with a protruding annular boss 121, and an end of the second insulator 22 close to the male connector 1 is provided with an annular groove 221 which cooperates with the annular boss 121, and a creepage gap 222 is formed between the annular boss 121 and the annular groove 221.

[0030] From the above description, it can be seen that the beneficial effect of the utility model is that the high-power quick-plug connector only needs to plug the male head 1 and the female head 2 together during use, which is simple and convenient to operate and is conducive to improving work efficiency. After the male head 1 and the female head 2 are plugged together, a longer creepage gap 222 is formed between the annular boss 121 and the annular groove 221, which is safer and more reliable, and can increase the contact area with the air, so that the heat dissipation effect is better during signal transmission, which is conducive to increasing power.

[0031] Furthermore, the thickness of the annular boss 121 gradually increases from an end close to the female head 2 to an end away from the female head 2 .

[0032] Furthermore, the cross section of the annular boss 121 is trapezoidal or triangular.

[0033] It can be seen from the above description that the shape of the annular boss 121 can be easily inserted into the annular groove 221 .

[0034] Furthermore, the width of the creepage gap 222 is in the range of 0.2-0.3 mm.

[0035] Furthermore, an end of the second center needle 21 close to the male head 1 is provided with a socket 211 that cooperates with the first center needle 11, and a plurality of slots 212 are also opened on the peripheral wall of the end of the second center needle 21 close to the male head 1. The plurality of slots 212 are arranged circumferentially around the second center needle 21, and the slots 212 connect the outer wall surface of the second center needle 21 and the slots 212.

[0036] It can be seen from the above description that elastic arms are formed between the plurality of notches 212 , and the elastic arms can be bent outward to undergo elastic deformation, so as to facilitate the end of the first center needle 11 to be inserted into the insertion hole 211 .

[0037] Furthermore, a connecting hole 111 is provided at one end of the first center needle 11 away from the female connector 2 and / or at one end of the second center needle 21 away from the male connector 1 .

[0038] It can be known from the above description that the male connector 1 and / or the female connector 2 can be connected to an external cable through the connecting hole 111 .

[0039] Furthermore, the female connector 2 also includes an outer conductor 24 , which is sleeved between the second insulator 22 and the second shell 23 . A plurality of claws 241 are provided on the outer conductor 24 , and the plurality of claws 241 are held against the inner wall surface of the first shell 13 .

[0040] As can be seen from the above description, the outer conductor 24 can increase the connection strength between the male connector 1 and the female connector 2, making the high-power quick-plug connector safer and more reliable.

[0041] Furthermore, a first protrusion 131 is provided on the inner wall surface of the first shell 13, and a first slot 122 cooperating with the first protrusion 131 is provided on the outer wall surface of the first insulator 12; or, a first slot 122 is provided on the inner wall surface of the first shell 13, and a first protrusion 131 cooperating with the first slot 122 is provided on the outer wall surface of the first insulator 12.

[0042] It can be known from the above description that the cooperation between the first protrusion 131 and the first slot 122 can limit the relative position of the first shell 13 and the first insulator 12 , and prevent the first shell 13 and the first insulator 12 from being relatively offset.

[0043] Furthermore, a second protrusion 112 is provided on the inner wall surface of the first insulator 12, and a second groove 123 cooperating with the second protrusion 112 is provided on the outer wall surface of the first center needle 11; or, a second groove 123 is provided on the inner wall surface of the first insulator 12, and a second protrusion 112 cooperating with the second groove 123 is provided on the outer wall surface of the first center needle 11.

[0044] It can be known from the above description that the second protrusion 112 and the second slot 123 can limit the relative position of the first insulator 12 and the first center needle 11 to prevent the first insulator 12 and the first center needle 11 from shifting relative to each other.

[0045] Furthermore, a third protrusion 213 is provided on the inner wall surface of the second insulator 22, and a third groove 223 cooperating with the third protrusion 213 is provided on the outer wall surface of the second center needle 21; or, a third groove 223 is provided on the inner wall surface of the second insulator 22, and a third protrusion 213 cooperating with the third groove 223 is provided on the outer wall surface of the second center needle 21.

[0046] It can be seen from the above description that the cooperation between the third protrusion 213 and the third slot 223 can limit the relative position of the second insulator 22 and the second center needle 21 , thereby preventing the second insulator 22 and the second center needle 21 from being offset relative to each other.

[0047] Please refer to Figures 1 to 3 , Embodiment 1 of the utility model is: a high-power quick-plug connector, including a male connector 1 and a female connector 2, the male connector 1 includes a first center pin 11, a first insulator 12 and a first shell 13 which are sequentially sleeved from the inside to the outside, and the female connector 2 includes a second center pin 21, a second insulator 22 and a second shell 23 which are sequentially sleeved from the inside to the outside; the first center pin 11 and the second center pin 21 are plugged together, the first insulator 12 is provided with a protruding annular boss 121 at one end close to the female connector 2, and the second insulator 22 is provided with an annular groove 221 which cooperates with the annular boss 121 at one end close to the male connector 1, and a creepage gap 222 is formed between the annular boss 121 and the annular groove 221. Specifically, when the male connector 1 and the female connector 2 are plugged together, the end faces of the first shell 13 and the second shell 23 are in conflict. After the male connector 1 and the female connector 2 are plugged in, a longer creepage gap 222 is formed between the annular boss 121 and the annular groove 221, which is safer and more reliable, and can increase the contact area with the air, resulting in better heat dissipation during signal transmission, which is beneficial to increasing power.

[0048] In this embodiment, the first center needle 11 and the second center needle 21 are made of phosphor copper material with silver plating on the surface; the first insulator 12 and the second insulator 22 are made of PTFE material; the first shell 13 and the second shell 23 are made of brass material with ternary alloy plating on the surface.

[0049] like Figure 1 As shown, in order to facilitate the insertion of the annular boss 121 into the annular groove 221, the thickness of the annular boss 121 gradually increases from the end close to the female connector 2 to the end away from the female connector 2. Optionally, the cross section of the annular boss 121 is trapezoidal or triangular, and the cross section is the axial cross section of the annular boss 121. In this embodiment, the length of the creepage gap 222 is 24 mm.

[0050] The width of the creepage gap 222 is in the range of 0.2-0.3 mm. In this embodiment, the width of the creepage gap 222 is 0.25 mm.

[0051] like Figure 2 As shown, the end of the second center needle 21 close to the male connector 1 is provided with a socket 211 that matches the first center needle 11. The peripheral wall of the second center needle 21 close to the male connector 1 is also provided with a plurality of notches 212. The plurality of notches 212 are arranged circumferentially around the second center needle 21. The notches 212 connect the outer wall surface of the second center needle 21 and the notches 212. Elastic arms are formed between the plurality of notches 212. When the first center needle 11 is inserted into the socket 211, the elastic arms can bend outward and undergo elastic deformation, so as to facilitate the insertion of the end of the first center needle 11 into the socket 211. Figure 3 As shown, the first center needle 11 is disposed at an angle close to the edge of one end of the female connector 2 , which further facilitates the insertion of the first center needle 11 into the insertion hole 211 .

[0052] like Figure 1 As shown, a connection hole 111 is provided at one end of the first center needle 11 away from the female connector 2 and at one end of the second center needle 21 away from the male connector 1. The male connector 1 and the female connector 2 can be connected to an external cable through the connection hole 111.

[0053] like Figure 1 and Figure 2 As shown, the female connector 2 further includes an outer conductor 24, which is sleeved between the second insulator 22 and the second shell 23, and a plurality of claws 241 are provided on the outer conductor 24, and the plurality of claws 241 are held against the inner wall surface of the first shell 13. Specifically, the outer conductor 24 includes a collar and a plurality of claws 241 connected to the collar, and the plurality of claws 241 are evenly distributed around the circumference of the collar, and the collar is provided between the second insulator 22 and the second shell 23. The collar and the plurality of claws 241 are an integrally formed one-piece structure. In this embodiment, the outer conductor 24 is made of phosphor copper material with a silver-plated surface.

[0054] like Figure 3As shown, in order to improve the bonding strength between the first shell 13 and the first insulator 12, a first protrusion 131 is provided on the inner wall surface of the first shell 13, and a first groove 122 cooperating with the first protrusion 131 is provided on the outer wall surface of the first insulator 12. In other embodiments, it is also feasible that the first groove 122 is provided on the inner wall surface of the first shell 13, and the first protrusion 131 cooperating with the first groove 122 is provided on the outer wall surface of the first insulator 12.

[0055] like Figure 3 As shown, in order to improve the bonding strength between the first insulator 12 and the first center needle 11, a second groove 123 is provided on the inner wall surface of the first insulator 12, and a second protrusion 112 cooperating with the second groove 123 is provided on the outer wall surface of the first center needle 11. In other embodiments, it is also feasible that the second protrusion 112 is provided on the inner wall surface of the first insulator 12, and the second groove 123 cooperating with the second protrusion 112 is provided on the outer wall surface of the first center needle 11.

[0056] like Figure 2 As shown, in order to improve the bonding strength between the second insulator 22 and the second center needle 21, a third groove 223 is provided on the inner wall surface of the second insulator 22, and a third protrusion 213 cooperating with the third groove 223 is provided on the outer wall surface of the second center needle 21. In other embodiments, it is also feasible that the third protrusion 213 is provided on the inner wall surface of the second insulator 22, and the third groove 223 cooperating with the third protrusion 213 is provided on the outer wall surface of the second center needle 21.

[0057] In summary, the high-power quick-plug connector provided by the utility model only needs to plug the male head and the female head together during use, which is simple and convenient to operate and is conducive to improving work efficiency. After the male head and the female head are plugged in, a longer creepage gap is formed between the annular boss and the annular groove, which is safer and more reliable, and can increase the contact area with the air, and the heat dissipation effect is better during signal transmission, which is conducive to increasing power. The male head and / or the female head can be connected to the external cable through the connecting hole. The outer conductor can increase the connection strength between the male head and the female head, making the high-power quick-plug connector safer and more reliable. The first protrusion and the first card slot can limit the relative position of the first shell and the first insulator to prevent the first shell and the first insulator from being relatively offset. The second protrusion and the second card slot can limit the relative position of the first insulator and the first center needle to prevent the first insulator and the first center needle from being relatively offset. The third protrusion and the third card slot can limit the relative position of the second insulator and the second center needle to prevent the second insulator and the second center needle from being relatively offset.

[0058] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A high-power quick-plug connector, characterized in that: It comprises a male connector and a female connector, wherein the male connector comprises a first center pin, a first insulator and a first shell which are sequentially sleeved from the inside to the outside, and the female connector comprises a second center pin, a second insulator and a second shell which are sequentially sleeved from the inside to the outside; the first center pin is plugged into and matched with the second center pin, an end of the first insulator close to the female connector is provided with a protruding annular boss, an end of the second insulator close to the male connector is provided with an annular groove which cooperates with the annular boss, and a creepage gap is formed between the annular boss and the annular groove.

2. The high-power quick-plug connector according to claim 1, characterized in that: The thickness of the annular boss gradually increases from an end close to the female head to an end away from the female head.

3. The high-power quick-plug connector according to claim 2, characterized in that: The cross section of the annular boss is trapezoidal or triangular.

4. The high-power quick-plug connector according to claim 1, characterized in that: The width of the creepage gap is in the range of 0.2-0.3 mm.

5. The high-power quick-plug connector according to claim 1, characterized in that: The end of the second center needle close to the male head is provided with a socket that cooperates with the first center needle, and the peripheral wall of the second center needle close to the male head is also provided with a plurality of slots, and the plurality of slots are arranged circumferentially around the second center needle, and the slots connect the outer wall surface of the second center needle and the slots.

6. The high-power quick-plug connector according to claim 1, characterized in that: A connecting hole is provided at one end of the first center needle away from the female connector and / or at one end of the second center needle away from the male connector.

7. The high-power quick-plug connector according to claim 1, characterized in that: The female connector further comprises an outer conductor, wherein the outer conductor is sleeved between the second insulator and the second shell, and a plurality of claws are arranged on the outer conductor, and the plurality of claws are held against the inner wall surface of the first shell.

8. The high-power quick-plug connector according to claim 1, characterized in that: A first protrusion is provided on the inner wall surface of the first shell, and a first slot matching the first protrusion is provided on the outer wall surface of the first insulator; or, a first slot is provided on the inner wall surface of the first shell, and a first protrusion matching the first slot is provided on the outer wall surface of the first insulator.

9. The high-power quick-plug connector according to claim 1, characterized in that: A second protrusion is provided on the inner wall surface of the first insulator, and a second groove cooperating with the second protrusion is provided on the outer wall surface of the first center needle; or, a second groove is provided on the inner wall surface of the first insulator, and a second protrusion cooperating with the second groove is provided on the outer wall surface of the first center needle.

10. The high-power quick-plug connector according to claim 1, characterized in that: A third protrusion is provided on the inner wall surface of the second insulator, and a third groove cooperating with the third protrusion is provided on the outer wall surface of the second center needle; or, a third groove is provided on the inner wall surface of the second insulator, and a third protrusion cooperating with the third groove is provided on the outer wall surface of the second center needle.

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