CN220066322U - Electronic composite HDMI male connector - Google Patents

Abstract

The utility model discloses an electronic composite HDMI male connector which comprises a metal shell, a protective rubber shell, a plurality of metal terminals and a circuit board assembly. The circuit board assembly is provided with a plurality of bonding pads, one ends of the plurality of metal terminals are connected with the plurality of bonding pads in a one-to-one correspondence manner, and the first circuit board is also provided with electronic parts. According to the technical scheme, the electronic parts are arranged on the circuit board assembly, and the signals are modulated and/or demodulated in an electronic intervention mode, so that the signals are transmitted on the circuit board assembly through high-frequency signals, electromagnetic interference among the signals is isolated, and therefore the transmitted signals are less in attenuation, distortion and error code through the connector. And the circuit board assembly at least partially stretches into the metal shell, so that the length of the metal terminal is reduced, the on-resistance of the metal terminal is reduced, the signal attenuation is reduced, the signal distortion and the error code are fewer, and the original accurate signal is easier to acquire.

Description

Electronic composite HDMI male connector

Technical Field

The utility model relates to the field of connector products, in particular to an electronic composite HDMI male connector.

Background

A high definition multimedia interface (HDMI for short), which is a full digital video and audio transmission interface, and can transmit uncompressed audio and video signals. HDMI can be used for devices such as set-top boxes, DVD players, personal computers, televisions, and the like. With the continuous development of display technology, the video transmission rate is higher and higher, and the transmission rate of the current HDMI2.1 reaches 48Gbps. The performance requirements for connectors for high speed signal transmission are increasing. When transmission is carried out through the connecting cable, 19 core wires are required because of the requirements of a protocol, the process has certain difficulty, and the finished wire can be thick because of the large number of the core wires. The design of the utility model can not only greatly improve the transmission performance of the connector by directly compounding the PCB at the connector end, but also greatly reduce the volume of the traditional connector male welding PCB by adopting a compact design. The design of the utility model is used in the aspect of electronic composite data wires, and can greatly reduce the number of core wires on the premise of fully meeting the requirements of functions and performances, and the effect of the traditional 19 core wires can be achieved by only 10 core wires normally. And the diameter of the finished wire can be reduced, thereby being more convenient to use. The utility model can also be used on the optical fiber mixed data line, and the performance can be improved, the volume can be reduced, and the number of core wires can be reduced, so that the diameter of a finished product line can be reduced.

Disclosure of Invention

The main objective of the present utility model is to provide an electronic composite HDMI male connector, which aims to make the attenuation, distortion and error code of the transmission signal passing through the connector less.

In order to achieve the above object, the present utility model provides an electronic composite HDMI male connector, comprising:

a metal housing;

the protective rubber shell is arranged in the metal shell, and a plurality of terminal grooves are formed in the protective rubber shell;

a plurality of metal terminals, one ends of which are respectively inserted into the plurality of terminal grooves;

the circuit board assembly at least partially stretches into the metal shell, a plurality of bonding pads are arranged on the circuit board assembly, and the other ends of the plurality of metal terminals are connected with the plurality of bonding pads in a one-to-one correspondence manner; the circuit board assembly is also provided with electronic components for modulating and/or demodulating signals.

In an embodiment, the circuit board assembly includes two first circuit boards and two second circuit boards, the two first circuit boards are respectively disposed on two opposite sides of the second circuit board, the plurality of metal terminals are respectively disposed on two opposite sides of the second circuit board and between the first circuit boards and the second circuit boards, the electronic component is disposed on the first circuit board, and the electronic component is connected with the plurality of bonding pads.

In an embodiment, the circuit board further comprises a fixing rubber shell, wherein the fixing rubber shell is sleeved on the first circuit board, and the fixing rubber shell presses the metal terminals onto the second circuit board through the first circuit board.

In an embodiment, the first circuit board comprises a first stage and a main body, the main body is provided with first step surfaces positioned at two sides of the first step section, the fixed rubber shell is sleeved on the first stage and is abutted to the two first step surfaces, and the first step section stretches into the metal shell.

In an embodiment, the circuit board further comprises a plurality of elastic terminals, one ends of the elastic terminals are located between the first circuit board and the second circuit board, a first clamping hook is arranged at the other ends of the elastic terminals, a first protruding portion is arranged in the fixing rubber shell, and the first clamping hook is clamped with the first protruding portion.

In an embodiment, the protective rubber shell comprises a core part and wing parts arranged at two sides of the core part, the wing parts are provided with second clamping hooks, the fixed rubber shell is provided with clamping parts matched with the second clamping hooks, and the second clamping hooks are clamped with the clamping parts.

In an embodiment, the inner sides of the wing parts are provided with rails, the two opposite sides of the fixed rubber shell are provided with protruding pieces, and the protective rubber shell is in sliding fit with the rails through the protruding pieces.

In an embodiment, still include plastic envelope and envelope snap ring, the envelope snap ring cover is located the metal casing, just the envelope snap ring butt in fixed rubber shell, the plastic envelope cover is located envelope snap ring and two first circuit board, glue dispensing hole has been seted up on the plastic envelope, glue is provided with in the glue dispensing hole, the plastic envelope with the envelope snap ring passes through glue glues, still be provided with the backing plate on the plastic envelope, the both sides of backing plate are seted up and are supplied two first opening and the second opening that the first circuit board stretches out.

In one embodiment, the metal terminal has a connection section connected to the first circuit board and an insertion section extending into the terminal slot.

In an embodiment, the electronic component includes a diode and a filter.

According to the technical scheme, the electronic parts are arranged on the circuit board assembly, and the signals are modulated and/or demodulated in an electronic intervention mode, so that the signals are transmitted on the circuit board assembly through high-frequency signals, electromagnetic interference among the signals is isolated, and therefore the transmitted signals are less in attenuation, distortion and error code through the connector. And the circuit board assembly at least partially stretches into the metal shell, so that the length of the metal terminals is reduced, the equivalent resistance among the metal terminals is reduced, the signal attenuation is reduced, the signal distortion and the error code are fewer, and the original accurate signal is easier to acquire.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an electronic composite HDMI male connector according to the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 with the metal shell removed (wherein the protective gel shell is separated from the fixed gel shell);

FIG. 3 is a structural assembly view of two first circuit boards, a second circuit board, a plurality of metal terminals, a plurality of spring terminals and a plurality of auxiliary terminals;

FIG. 4 is an exploded view of FIG. 1;

FIG. 5 is a schematic view of the structure of FIG. 3 after the mounting of the fixing gel case;

fig. 6 is a structural assembly view of two first circuit boards and electronic parts (wherein one first circuit board is separated from the electronic parts);

FIG. 7 is a schematic view of the structure of FIG. 1 from another perspective, with the plastic envelope and metal shell removed;

FIG. 8 is a schematic diagram of the structure of FIG. 3 with two first circuit boards removed;

FIG. 9 is a schematic structural view of a stationary housing;

FIG. 10 is a schematic view of the mating structure of the fixing and protective gel shells;

FIG. 11 is a schematic view of the structure of FIG. 1 with the plastic envelope removed;

FIG. 12 is a schematic view of the structure of FIG. 1 with the jacket snap ring removed (wherein the plastic jacket is separated from the two first circuit boards);

FIG. 13 is a schematic view of a plastic envelope;

fig. 14 is a structural assembly view of the stationary gel case and the metal case.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Metal shell	200	Protective rubber shell
300	Metal terminal	400	Circuit board assembly
				500	Fixed rubber shell	600	Spring terminal
700	Plastic envelope	800	Envelope clasp
				900	Auxiliary terminal	110	Engagement portion
210	Terminal groove	220	Core-in-package part
				230	Wing part	231	Second clamping hook
232	Rail track	240	Notch groove
				310	Connecting section	320	Insertion section
410	Bonding pad	420	Electronic component
				430	First circuit board	440	Second circuit board
431	A first step section	432	Main body
				433	A first step surface	434	Second step section
435	Second step surface	436	Base part
				510	A first protruding part	520	Clamping part
530	Protruding piece	540	Second protruding part
				550	Limiting groove	600	Spring terminal
610	First clamping hook	710	Dispensing hole
				720	Backing plate	730	A first opening
740	A second opening

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides an electronic composite HDMI male connector which is used for transmitting digital video or audio information and the like.

The electronic composite type HDMI male connector provided by the utility model is an HDMI-A type composite type male connector, and the structure can be also suitable for the HDMI-C/D type composite type male connector. The HDMI male connector of the utility model is applicable to transmission protocols of HDMI1.3, HDMI1.4, HDMI2.0, HDMI2.1 and HDMI connectors with higher speed requirements in the future.

In an embodiment of the present utility model, as shown in fig. 1 to 4, the electronic composite HDMI male connector includes a metal housing 100, a protective rubber housing 200, a plurality of metal terminals 300, and a circuit board assembly 400.

Specifically, the metal casing 100 is a hollow annular casing, the metal casing 100 is sleeved on the protective rubber casing 200, the metal casing 100 is generally made of stainless steel, and the metal casing 100 has the advantages of high strength compared with a plastic casing, and is used for protecting the protective rubber casing 200 and other components from damage and shielding external electromagnetic interference.

Furthermore, the protective rubber shell 200 is made of plastic, the protective rubber shell 200 is disposed in the metal shell 100, a plurality of terminal slots 210 are formed in the protective rubber shell 200, the terminal slots 210 are generally square open through slots, and one ends of the plurality of metal terminals 300 are respectively inserted into the plurality of terminal slots 210. In addition, an insertion port is formed at one end of the protective rubber shell 200, so that the female socket and the HDMI male connector can be conveniently inserted. And the metal terminal 300 is partially exposed from the terminal groove 210 to the plug interface, so as to facilitate the contact between the metal terminal 300 and the signal transmission end.

The circuit board assembly 400 includes a plurality of circuit boards, and the number of the circuit boards may be two or three, and the circuit board assembly 400 is provided with a plurality of pads 410 (the pads 410 may be pure copper, the high-frequency characteristic and the conductive characteristic of copper are much better than those of alloy copper, and in view of this, the signal transmission through the pads 410 may be better), and the other ends of the plurality of metal terminals 300 are connected with the plurality of pads 410 in a one-to-one correspondence manner, and the connection manner may be welding or abutting connection. The number of pads 410 on the circuit board assembly 400 may or may not be identical to the number of metal terminals 300, and the positions of the pads 410 and the distance between the pads 410 may be changed according to different production requirements at the time of production.

Considering the requirements of elasticity and rigidity, the metal terminal 300 is made of alloy copper, and may be brass or phosphor bronze.

In addition, the circuit board assembly 400 at least partially extends into the metal housing 100, and a part of the circuit board assembly 400 may extend into the metal housing 100, or the circuit board assembly 400 may extend into the metal housing 100 entirely.

The circuit board assembly 400 is provided with electronic parts 420, the electronic parts 420 are connected with a plurality of bonding pads 410, and the number of the electronic parts 420 can be one, two, or more. The electronic component 420 may be an electronic component, an electronic device, or both. The electronic component can be a resistor, a capacitor or a filter; the electronic component 420 may be a diode, a triode, or an integrated circuit.

By providing the electronic component 420 on the circuit board assembly 400, modulation (converting a digital baseband signal into a digitally modulated signal starting from channel transmission) and/or demodulation (recovering a received digital channel signal into a digital baseband signal) of the signal can be realized through electronic intervention, so that the signal is transmitted on the circuit board assembly 400 as a high-frequency signal.

According to the technical scheme, the electronic part 420 is arranged on the circuit board assembly 400, and the modulation and/or demodulation of signals is realized in an electronic intervention mode, so that the signals are transmitted on the circuit board assembly 400 in a high-frequency signal mode, electromagnetic interference among mutual signals is isolated, and therefore attenuation, distortion and error code of the transmitted signals passing through the connector are less. And the circuit board assembly 400 at least partially stretches into the metal shell 100, so that the length of the metal terminals 300 is reduced, the equivalent resistance between the metal terminals 300 is reduced, the signal attenuation is reduced, the signal distortion and the error code are fewer, and the original accurate signal is easier to acquire.

In one embodiment, referring to fig. 3 to 4, the circuit board assembly 400 includes two first circuit boards 430 and a second circuit board 440. The two first circuit boards 430 in the embodiment of the present utility model have substantially the same shape and function, and the two first circuit boards 430 are arranged in parallel, wherein one first circuit board 430 may be provided with a chamfer for avoiding other accessories matched with the HDMI male connector; of course, the first circuit board 430 may not be provided with a chamfer.

The electronic component 420 is disposed on the two first circuit boards 430, and the electronic component 420 includes a diode and a filter, and the electronic component 420 may include only the diode and the filter, or the electronic component 420 may include other electronic components and/or electronic devices in addition to the diode and the filter. In the demodulation process, the signal passes through a detection diode and then passes through a filter to obtain the original analog signal. Two first circuit boards 430 are provided, and the length of the first circuit boards 430 is set longer, so that the first circuit boards 430 have more space to facilitate the installation of the electronic components 420, thereby meeting different production requirements.

The length of the second circuit board 440 is smaller than that of the first circuit board 430, and the second circuit board 440 is approximately n-shaped, so that the material consumption of the second circuit board 440 is reduced, the cost is saved, and the mass of the second circuit board 440 is reduced, so that the overall mass of the electronic composite HDMI male connector is reduced, and the electronic composite HDMI male connector is convenient to carry or move.

The two first circuit boards 430 are respectively disposed on opposite sides of the second circuit board 440, and the plurality of metal terminals 300 are respectively disposed on opposite sides of the second circuit board 440 and located between the first circuit boards 430 and the second circuit board 440, such that the two first circuit boards 430 press-connect the plurality of metal terminals 300 to the second circuit board 440.

Additionally, the first circuit board 430 may be provided with the pads 410, the second circuit board 440 may be provided with the pads 410, or the pads 410 may not be provided, and whether the pads 410 are provided on the second circuit board 440 may be determined according to the production requirements.

In another embodiment, referring to fig. 5, the electronic composite HDMI male connector further includes a fixing rubber housing 500, the fixing rubber housing 500 is generally in a ring structure, the fixing rubber housing 500 is sleeved on the two first circuit boards 430, the fixing rubber housing 500 may be sleeved on a part of the first circuit boards 430 or sleeved on the whole first circuit boards 430, the fixing rubber housing 500 is used for protecting the first circuit boards 430, and the fixing rubber housing 500 presses the plurality of metal terminals 300 onto the second circuit boards 440 through the first circuit boards 430 so as to fix the relative positions of the plurality of metal terminals 300.

In a preferred embodiment, referring to fig. 2 and 5, the fixing adhesive shell 500 is provided with a second protruding portion 540, and the second protruding portion 540 and the fixing adhesive shell 500 may be integrally formed, or the second protruding portion 540 and the fixing adhesive shell 500 may be connected together by screwing, or by adhesive connection, or by clamping. The protective rubber shell 200 is formed with a notch 240, the second protruding portion 540 can be engaged with the notch 240, and the second protruding portion 540 is inserted into the notch 240, so as to define the relative position of the fixing rubber shell 500.

In an embodiment, referring to fig. 4 and 6, the first circuit board 430 includes a first stage 431 and a main body 432, and the first stage 431 and the main body 432 are integrally formed. Wherein the body 432 has a first step surface 433 on both sides of the first stage 431. Furthermore, the fixing rubber case 500 is sleeved on the first stage 431 and abuts against the two first step surfaces 433, the fixing rubber case 500 is used for protecting the first stage 431 of the first circuit board 430, and the first stage 431 extends into the metal housing 100.

In an embodiment, referring to fig. 4, 7 and 8, the electronic composite HDMI male connector further includes a plurality of elastic terminals 600, where the number of the elastic terminals 600 may be two or four, and in an embodiment of the present utility model, the number of the elastic terminals 600 is four. One end of the elastic terminal 600 is located between the first circuit board 430 and the second circuit board 440, and the elastic terminal 600 may be abutted against the first circuit board 430 and the second circuit board 440, or may be soldered; the elastic terminal 600 may abut against the first circuit board 430 and be soldered to the second circuit board 440; the elastic terminal 600 may be abutted against the second circuit board 440 and soldered to the first circuit board 430.

Specifically, the other end of the elastic terminal 600 is provided with a first hook 610, and the first hook 610 may be disposed on only one side of the elastic terminal 600, or may be disposed on both sides of the elastic terminal 600, and the hook may be a flat hook or a barb. The fixing glue case 500 is provided with a first protruding portion 510, and the first hook 610 is engaged with the first protruding portion 510 to define a relative position between the fixing glue case 500 and the first circuit board 430.

In addition, referring to fig. 4 and 8, a plurality of auxiliary terminals 900 are disposed between the first circuit board 430 and the second circuit board 440, and the auxiliary terminals 900 are disposed in a substantially square shape. The number of the auxiliary terminals 900 may be two or four, and in the embodiment of the present utility model, the number of the elastic terminals 600 is four.

The auxiliary terminal 900 may be in contact with the first circuit board 430 and the second board, or may be soldered; the auxiliary terminal 900 may abut against the first circuit board 430 and be soldered to the second circuit board 440; the elastic terminal 600 may be abutted against the second circuit board 440 and soldered to the first circuit board 430. The auxiliary terminals 900 serve to reinforce the connection relationship of the first circuit board 430 and the second circuit board 440 and to maintain the same distance between the first circuit board 430 and the second circuit board 440, thereby defining the relative positions of the first circuit board 430 and the second circuit board 440.

In an embodiment, referring to fig. 2 and 8, the metal terminal 300 has a connection section 310 and an insertion section 320, and the connection section 310 and the insertion section 320 may be integrally formed or the connection section 310 and the insertion section 320 may be welded together. In addition, the connection section 310 and the insertion section 320 may be connected in a straight shape or in a step shape, and in this embodiment of the present utility model, the connection section 310 and the insertion section 320 are connected in a step shape, and in this way, the metal terminal 300 abuts against two adjacent sides of the second circuit board 440. The connection section 310 is connected to the first circuit board 430, and the insertion section 320 extends into the terminal slot 210, so that the distance between the insertion section 320 and the connection section 310 is short, i.e., the distance between the metal terminal 300 and the first circuit board 430 after receiving the signal is short.

In an embodiment, referring to fig. 2, 9 and 10, the protective rubber case 200 includes a core 220 and wing portions 230 disposed at two sides of the core 220. The core 220 and the wing portions 230 on two sides may be integrally formed, or the core 220 and the wing portions 230 may be connected together by adhesive, screw or snap connection. And the plurality of terminal grooves 210 are provided on the sheathing part 220, the sheathing part 220 serves to protect the plurality of metal terminals 300, and the wing parts 230 serve to fix and limit the protective sheathing 200 to the fixing sheathing 500.

It should be noted that, the wing 230 is provided with a second hook 231, and the second hook 231 may be a flat hook or a barb, and in this embodiment, is provided as a flat hook. The second hook 231 may be disposed toward the inner side of the wing 230 or may be disposed toward the outer side of the wing 230, and in this embodiment, the second hook 231 is disposed toward the outer side of the wing 230.

Furthermore, the fixing glue case 500 has a clamping portion 520 that is matched with the second hook 231, and the clamping portion 520 may be a platform or a groove, in this embodiment, a protruding platform, and the clamping portion 520 may be disposed inside the fixing glue case 500 or outside the fixing glue case 500, and in this embodiment, the clamping portion 520 is disposed inside the fixing glue case 500. The hook is engaged with the engaging portion 520, thereby locking the relative positions of the protective case 200 and the fixing case 500.

In a preferred embodiment, referring to fig. 2 and 5, as described in the previous embodiment, the protective rubber case 200 includes a wing 230, and a track 232 is disposed inside the wing 230, and two step surfaces of the track 232 are parallel. The two opposite sides of the fixing glue case 500 are provided with protruding members 530, and the protruding members 530 may be circular, square, or parallel up and down, and polygonal left and right, and in the embodiment of the present utility model, the protruding members 530 are parallel up and down, and polygonal left and right. The protective rubber housing 200 is slidably engaged with the rail 232 by the protrusion 530 such that the protective rubber housing 200 can be slidably mounted on the stationary rubber housing 500 by the protrusion 530.

In an embodiment, referring to fig. 1, 11, 12 and 13, the electronic device further includes a plastic sleeve 700 and a sleeve collar 800, the sleeve collar 800 is disposed in a substantially annular shape, the sleeve collar 800 is sleeved on the metal housing 100, the sleeve collar 800 abuts against the fixing rubber housing 500, and the plastic sleeve 700 is sleeved on the sleeve collar 800 and the two first circuit boards 430, so as to protect the two first circuit boards 430 from being damaged due to collision, and also shield signal interference of the two first circuit boards 430 from the outside to a certain extent.

Specifically, the plastic envelope 700 is provided with dispensing holes 710, the dispensing holes 710 may be circular or square, and the number of the dispensing holes 710 may be one, two, or more. After the plastic envelope 700 is sleeved on the envelope clamping ring 800, glue is injected into the glue dispensing hole 710, and after the glue is solidified, the plastic envelope 700 and the envelope clamping ring 800 are connected together.

The plastic sleeve 700 is further provided with a pad 720, the pad 720 may be integrally formed with the plastic sleeve 700, or may be glued with the plastic sleeve 700, and the pad 720 may be provided with one pad, two pads, or more pads. The pad 720 may be disposed between the two first circuit boards 430, between the plastic envelope 700 and the first circuit board 430 on one side, or in both cases, the pad 720 is disposed. After the plastic envelope 700 is sleeved on the two first circuit boards 430, the two sides of the pad 720 are provided with the first opening 730 and the second opening 740, so that the two first circuit boards 430 can extend out of the first opening 730 and the second opening 740, and the pad 720 is used for fixing and limiting the two first circuit boards 430.

The main body 432 includes a second stage 434 and a base 436, the second stage 434 is substantially square, the base 436 is substantially square, and the second stage 434 and the base 436 may be integrally formed or the second stage 434 and the base 436 may be welded together. The second stage 434 has two second step surfaces 435, and the inner wall of the plastic envelope 700 abuts against the two second step surfaces 435, so as to define the relative positions of the two first circuit boards 430 and the plastic envelope 700.

In an embodiment, referring to fig. 14, the protective rubber shell 200 is provided with a limiting groove 550, and the number of the limiting grooves 550 may be one, two, or more. In addition, the limiting groove 550 may be disposed on one side of the fixing rubber case 500, or may be disposed on a different side of the fixing rubber case 500. And the metal casing 100 is provided with the engaging portions 110 that are matched with the limiting grooves 550, one engaging portion 110 may be provided, two engaging portions may be provided, or more engaging portions may be provided, and it is only required that the number of engaging portions 110 is identical to the number of the limiting grooves 550, and the engaging portions 110 are correspondingly matched with the limiting grooves 550.

In the embodiment of the present utility model, two limiting grooves 550 are provided on one side of the fixing glue case 500, two engaging portions 110 corresponding to the two limiting grooves 550 are provided on the metal case 100, and the engaging portions 110 are located in the limiting grooves 550, so as to define the relative positions of the metal case 100 and the fixing glue case 500, and aim to make the metal case 100 not easy to fall off.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. An electronic composite HDMI male connector, comprising:

a metal housing (100);

the protective rubber shell (200), the protective rubber shell (200) is arranged in the metal shell (100), and a plurality of terminal grooves (210) are formed in the protective rubber shell (200);

a plurality of metal terminals (300), wherein one ends of the plurality of metal terminals (300) are respectively inserted into the plurality of terminal grooves (210);

the circuit board assembly (400), the circuit board assembly (400) stretches into the metal shell (100) at least partially, a plurality of bonding pads (410) are arranged on the circuit board assembly (400), and the other ends of the plurality of metal terminals (300) are connected with the plurality of bonding pads (410) in a one-to-one correspondence manner; the circuit board assembly (400) is further provided with electronic components (420) connected to a plurality of the pads for modulating and/or demodulating signals.

2. The electronic composite HDMI male connector of claim 1, wherein said circuit board assembly (400) comprises two first circuit boards (430) and a second circuit board (440), two of said first circuit boards (430) being disposed on opposite sides of said second circuit board (440), respectively, a plurality of said metal terminals (300) being disposed on opposite sides of said second circuit board (440), respectively, and being located between said first circuit boards (430) and said second circuit boards (440), said electronic components (420) being disposed on said first circuit boards (430).

3. The electronic composite HDMI male connector of claim 2, further comprising a fixing rubber case (500), said fixing rubber case (500) being sleeved on the first circuit board (430), said fixing rubber case (500) pressing a plurality of said metal terminals (300) onto said second circuit board (440) through said first circuit board (430).

4. An electronic composite HDMI male connector as in claim 3, wherein the first circuit board (430) comprises a first stage (431) and a main body (432), the main body (432) has first step surfaces (433) located at two sides of the first stage (431), the fixing rubber shell (500) is sleeved on the first stage (431) and abuts against the two first step surfaces (433), and the first stage (431) extends into the metal shell (100).

5. An electronic composite HDMI male connector as claimed in claim 3, further comprising a plurality of elastic terminals (600), wherein one end of the elastic terminal (600) is located between the first circuit board (430) and the second circuit board (440), a first hook (610) is disposed at the other end of the elastic terminal (600), a first protruding portion (510) is disposed in the fixing rubber case (500), and the first hook (610) is engaged with the first protruding portion (510).

6. An electronic composite HDMI male connector as claimed in claim 3, wherein the protective rubber shell (200) comprises a core part (220) and wing parts (230) arranged at two sides of the core part (220), the wing parts (230) are provided with second hooks (231), the fixed rubber shell (500) is provided with clamping parts (520) matched with the second hooks (231), and the second hooks (231) are clamped with the clamping parts (520).

7. The electronic composite HDMI male connector of claim 6, wherein the wing (230) is provided with a rail (232) inside, and the opposite sides of the fixing rubber case (500) are provided with protrusions (530), and the protective rubber case (200) is slidably engaged with the rail (232) through the protrusions (530).

8. The electronic composite type HDMI male connector of claim 3, further comprising a plastic sleeve (700) and a sleeve snap ring (800), wherein the sleeve snap ring (800) is sleeved on the metal shell (100), the sleeve snap ring (800) is abutted to the fixed rubber shell (500), the plastic sleeve (700) is sleeved on the sleeve snap ring (800) and the two first circuit boards (430), a dispensing hole (710) is formed in the plastic sleeve (700), glue is arranged in the dispensing hole (710), the plastic sleeve (700) and the sleeve snap ring (800) are glued by the glue, a base plate (720) is further arranged on the plastic sleeve (700), and a first opening (730) and a second opening (740) for the two first circuit boards (430) to extend out are formed in two sides of the base plate (720).

9. The electronic composite HDMI male connector of claim 2, wherein the metal terminal (300) has a connection section (310) and an insertion section (320), the connection section (310) is connected to the first circuit board (430), and the insertion section (320) protrudes into the terminal groove (210).

10. The electronic composite HDMI male connector of claim 2, wherein the electronic component (420) comprises a diode and a filter.