CN212517621U

CN212517621U - Video connector with two-piece type colloid scarf joint structure

Info

Publication number: CN212517621U
Application number: CN202020690561.XU
Authority: CN
Inventors: 袁伦咏
Original assignee: Simula Technology Inc
Current assignee: Simula Technology Inc
Priority date: 2019-05-02
Filing date: 2020-04-29
Publication date: 2021-02-09
Anticipated expiration: 2030-04-29
Also published as: KR200493580Y1; TWM588383U; KR20200002485U

Abstract

The utility model provides a video connector with two-piece colloid scarf joint structure, which comprises a first insulating colloid, a second insulating colloid, a circuit board and a plurality of plug terminals, wherein the rear ends of the plug terminals can be welded on the circuit board, a first positioning space and a second positioning space are respectively arranged in the first insulating colloid and the second insulating colloid, the front end of the first insulating colloid is provided with a front socket, a plurality of terminal scarf joint grooves are arranged in the front socket, and the rear end of the first insulating colloid is provided with a first scarf joint structure; the front end of the second insulating colloid is provided with a second scarf joint structure, the first insulating colloid and the second insulating colloid can be combined into a whole through the scarf joint structures, the positioning space can jointly form a positioning space for accommodating the circuit board, and meanwhile, the front ends of the plug terminals can be respectively positioned in the corresponding terminal scarf joint grooves.

Description

Video connector with two-piece type colloid scarf joint structure

Technical Field

The utility model relates to a video connector structure indicates a video connector structure of DP specification especially, its circuit board is scarf joint the location firmly between two insulating colloids, and become the core structure of this video connector, so can effectively increase this video connector's overall structure intensity, thereby make this video connector use the back by long-term plug, still can maintain the structural strength at the ideal, be difficult for taking place distortion, and can ensure that can maintain the exact electrical connection relation between each this plug terminal and this circuit board all the time, can not only effectively increase this video connector's life, and can provide best video transmission quality and effect for a computer equipment and a display equipment room that connect, thereby can provide best use experience for the user.

Background

The DP video connector (DP) is a connector specification developed by the personal computer industry and union of chip manufacturers, and is recognized by the Video Electronics Standards Association (VESA) as a standardized digital video interface standard, which is free of certification and authorization, and is mainly used between a video source (e.g. computer equipment) and a display device as a connection interface for transmitting video signals between these devices, and the DP interface standard also supports data carrying audio, USB and other formats, and is designed to replace the conventional VGA, FPD, and DVI-link (lvds) interface standards, and can be made to be compatible with the conventional interface standards (e.g. DVI and HDMI) downward by an active or passive adapter, wherein the Mini DP connector has a wide application range, generally, the MINI Display Port is used for connecting a desktop computer, a notebook computer and other computer equipment with a MINI Display Port interface with a traditional Display equipment such as a VGA Display and a projector, and the main reason why manufacturers of the equipment use the MINI dp connector is that the equipment is expected to obtain higher flexibility in use, and the MINI Display Port is beneficial to popularization and application as a high-performance digital Display interface. A product or component required in the market is often a special product or component required in the market, and because the Mini DP connector has special performances such as making the cable adaptor smaller, more power-saving, cheaper and more stable …, it is popular and popular among many equipment manufacturers and consumers, so as to create a new market opportunity for the connector industry as well as injecting new blood into the connector industry.

Because each adapter can be arranged in the Mini DP connectors, the design method of the invention also enables each adapter to be arranged between each corresponding computer device and each corresponding display device, so that the adapter can be more easily applied to more traditional computer devices and display devices, and can be adapted to more connection environments among the devices. In addition, the Mini DP connector can also be embedded in a notebook computer or a docking station, and used as a connection interface, so that the Mini DP connector has the following device switching techniques, which make it easily adaptable to many conventional interface standards:

1. the Mini DP connector supports a 20pin Display Port interface, so that the Mini DP connector can be used on a plurality of compatible electronic devices, the service field of the connector industry is undoubtedly expanded, and the development space of the connector service is expanded for the connector industry;

2. the Mini DP connector also supports 8-10 bit color map transmission interface and supports up to 10.8Gbps broadband. The two functions almost meet all the requirements of most consumers for enjoying the high-speed network in daily life; 3. in fact, as for the connector, since the Mini DP connector further has a feature of supporting hot plugging (hot plugging), that is, the Mini DP connector can be hot plugged and unplugged, i.e. the hardware can be plugged or unplugged when the computer is running, and the peripheral device supporting hot plugging can be plugged or unplugged without turning off the host or the system power supply under the cooperation of appropriate software, and the host or the peripheral device will not be burned out, and a new device can be detected and used in time, this feature increases the flexibility of the Mini DP connector in application and increases the convenience of the consumer in use.

Moreover, the Mini DP connector has the feature of high adaptability and convenience derived from it, which also enables consumers and many equipment manufacturers to create more possibilities for upgrading various kinds of equipment in the future. In view of the above, the inventors have also obtained several insights that it is not possible to design and manufacture DP connectors with only a single degree of efficiency and performance, but also to consider the suitability of DP connectors in future device upgrades. Since each equipment manufacturer cannot buy the DP connector once, and will have more demands in the future, how to improve the adaptability, production yield, service life and upgrading capability of the DP connector becomes an important issue for the present design and manufacture of each large connector, which is also an important issue to be discussed and solved in the following.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the conventional DP video connector in the complicated manufacturing process, the inventor has conducted many years of professional experience in the development, design and manufacture of various video connectors, and after many researches, improvements and tests, finally designed a video connector with a two-piece type colloid scarf joint structure of the present invention, and it is expected that in the process of producing and manufacturing the video connector, a circuit board therein can be stably scarf-jointed and positioned between the two insulating colloids in a faster and simple assembly manner, and can be firmly scarf-jointed and positioned with the scarf-joint structure between the two insulating colloids to form a core structure of the video connector, so that the circuit board can effectively increase the overall structural strength of the video connector, so that the video connector can still maintain an ideal structural strength after being used for a long time by plugging and unplugging, the video connector is not easy to distort and deform so as to ensure that the plug-in terminals and the circuit board can always maintain correct electrical connection relationship, thereby not only effectively prolonging the service life of the video connector, but also providing the best video transmission quality and effect between a computer device and a display device which are connected.

An object of the utility model is to provide a video connector with two formula colloid scarf joint structures, this video connector includes: a first insulating colloid, a second insulating colloid, a circuit board and a plurality of plug terminals; the first insulating colloid and the second insulating colloid are both made of plasticized insulating materials through integral injection molding, a first positioning space and a second positioning space are respectively arranged in the first insulating colloid, the front end of the first insulating colloid is provided with a front inserting port, a plurality of terminal embedding grooves are arranged in the front inserting port, and the rear end of the first insulating colloid is provided with a first embedding structure; the front end of the second insulating colloid is provided with a second scarf joint structure, the configuration of the second scarf joint structure is matched with that of the first scarf joint structure, so that the second scarf joint structure and the first insulating colloid can be mutually scarf jointed to enable the first insulating colloid and the second insulating colloid to be combined into a whole, a positioning space can be formed by the first positioning space and the second positioning space together, the rear end of the second insulating colloid is also provided with a rear socket, and the rear socket is communicated with the second positioning space; a plurality of terminal contacts are respectively distributed on the top surface and the bottom surface of the circuit board at positions adjacent to the front edge, and each terminal contact is electrically connected with a circuit distributed on the circuit board; the pins at the rear ends of the plug terminals are respectively welded to the terminal contacts; after the pins at the rear ends of the plug terminals are respectively welded to the terminal contacts, the configuration formed by the circuit board and the plug terminals is matched with the positioning space, so that the circuit board and the plug terminals can be stably positioned in the positioning space, and the pins at the front ends of the plug terminals can be respectively inserted and positioned in the terminal embedding grooves.

Another objective of the present invention is to provide a terminal welding inspection hole at the rear end of the first insulating colloid top surface and bottom surface of the video connector or the front end of the second insulating colloid top surface and bottom surface, wherein the terminal welding inspection hole is connected to the positioning space. Therefore, when the circuit board is positioned to the positioning space and the pins at the front end of each plug-in terminal are respectively inserted and positioned to the terminal embedding grooves, the terminal contacts on the circuit board just correspond to the terminal welding part inspection holes, so that the welding parts of the pins at the rear end of the plug-in terminal welded to the terminal contacts can respectively pass through the terminal welding part inspection holes and be exposed out of the top surface and the bottom surface of the insulating colloid, production operators can easily and quickly detect the quality of the welding state between the pins at the rear end of the plug-in terminal and the corresponding terminal contacts on the circuit board through naked eyes or a detection device, and the correct electrical connection relation between the plug-in terminal and the circuit board can be maintained, thereby providing the best video transmission effect between the connected devices.

The video connector of the present invention further comprises two elastic engaging members, each of the elastic engaging members has a second engaging groove along the longitudinal direction thereof, the second engaging groove has a configuration matching the configuration of the first engaging groove, so that each of the elastic engaging members can be engaged with each of the first engaging grooves and can be displaced along the first engaging groove, wherein a hook is protruded from the top side of each of the elastic engaging members at a position adjacent to the front end thereof, and when the video connector is engaged with a corresponding video connector, the hook can be firmly engaged with a corresponding engaging portion of the video connector, so that the video connector and the video connector can be firmly and electrically connected to each other, stably and mutually transmit video signals, and are not easy to loose and break due to vibration or shaking.

The other object of the present invention is to provide a release key at the top of each elastic engaging member, which is protruded from the position adjacent to the rear end of the elastic engaging member, so that the user can press the release key when he wants to pull the video connector out of the video connector, and push the release key toward the rear end of the video connector, thereby separating the engaging member from the corresponding engaging portion of the video connector, and smoothly pull out the video connector from the video connector.

The utility model discloses a further purpose is equipped with a plurality of butt portions respectively at the inner edge in each this first scarf joint groove and second scarf joint groove to when making each this elasticity inlay piece along this first scarf joint groove towards longitudinal displacement, can the segmentation butt location in appropriate inlay card position, in order to make things convenient for the user to operate the plug action of this video connector.

Drawings

Fig. 1 is an exploded view of the video connector of the present invention;

fig. 2 is an exploded view of the video connector of the present invention;

fig. 3 is a schematic partial longitudinal cross-sectional view of the video connector of the present invention;

fig. 4 is a schematic view of the video connector according to the present invention.

[ notation ] to show

Video connector … … … … 1

Insulating gel … … … … 10

First insulating colloid … … … … 10A

Second insulating glue … … … … 10B

Positioning space … … … … 100

First positioning space … … … … 100A

Second positioning space … … … … 100B

First scarf joint structure … … … … 101A

Second scarf joint structure … … … … 101B

Front socket … … … … 102

Rear socket … … … … 103

Terminal engagement groove … … … … 104

First scarf groove … … … … 105

First front engagement groove … … … … 105A

First rear engagement groove … … … … 105B

Circuit board … … … … 20

Line … … … … 200

Terminal contact … … … … 21

Socket terminal … … … … 30

Resilient latch … … … … 40

Embedded hook … … … … 401

Release key … … … … 402

Second engagement groove … … … … 405

Abutting portion … … … … 4051

Metal casing … … … … 50

Accommodating space … … … … 500

Hook abdicating groove … … … … 501

Key release relief groove … … … … 502

Terminal welding part inspection hole … … … … H

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that in the drawings or description, the same drawing reference numerals are used for similar or identical parts. Implementations not depicted or described in the drawings are of a form known to those of ordinary skill in the art. Additionally, while exemplifications of parameters including particular values may be provided herein, it is to be understood that the parameters need not be exactly equal to the respective values, but may be approximated to the respective values within acceptable error margins or design constraints. Directional phrases used in the embodiments, such as "upper," "lower," "front," "rear," "left," "right," and the like, refer only to the orientation of the figure. Therefore, the directional terminology used is intended to be in the nature of words of description rather than of limitation.

In a preferred embodiment of the present invention, please refer to fig. 1-4, particularly to a DP-standard video connector structure, a first insulating adhesive 10A and a second insulating adhesive 10B of the video connector 1 can be embedded and combined together, so that the circuit board 20 and a plurality of plug terminals 30 disposed thereon can be stably positioned in a positioning space 100 formed between the first insulating adhesive 10A and the second insulating adhesive 10B. Thus, since the circuit board 20 is firmly embedded and positioned between the first insulating resin 10A and the second insulating resin 10B, and the embedding structure with the first insulating colloid 10A and the second insulating colloid 10B together become the core structure of the video connector 1, thereby effectively increasing the overall structural strength of the video connector 1, maintaining the ideal structural strength of the video connector 1 after being inserted and pulled for a long time, being not easy to distort and deform, thereby ensuring that the correct electrical connection relationship between each plug-in terminal 30 and the circuit board 20 can be maintained all the time, not only effectively increasing the service life of the video connector 1, and can provide the best video transmission quality and effect between a computer device (not shown) and a display device (not shown) connected with the computer device, thereby providing the best use experience for users.

For convenience of explaining the shape structure, assembly relationship and operation principle of each element in the video connector of the present invention, the upper part of the video connector 1 shown in fig. 1 to 4 of the present invention is used as the top side of each element thereon; the lower part of the video connector 1 shown in FIGS. 1 to 4 is used as the bottom side of the components thereon; the lower left corner shown in FIGS. 1-4 is used as the front of the video connector 1 and the front of each component thereon; the upper right corner of fig. 1-4 is the rear side of the video connector 1 and the rear side of the components thereon. In addition, the present invention is not limited to the configuration of the video connector 1 and the components thereon, and the present invention is not limited to the embodiments shown in fig. 1 to 4, and those skilled in the art can adjust the configuration of the video connector 1 and the components thereon according to the actual requirements, as long as the video connector 1 has the related basic structure described in the following embodiments and can produce the same specific functions, which should be taken as the present invention for the video connector 1 to be protected, which is described in advance herein.

The present invention relates to a video connector 1 with two-piece type colloid scarf joint structure, please refer to fig. 1, in a preferred embodiment of the present invention, mainly aiming at the specification characteristics of light weight, short size and thin size of the currently sold DP video connector, so that it is difficult to maintain its ideal structural strength and easy to be distorted and deformed after being used by long-term plugging, which results in the difficulty of maintaining the correct electrical connection relationship between the plug terminals 30 and the circuit board 20 therein, not only resulting in the shortened service life of the video connector 1, failing to provide the best video transmission quality and effect between the connected computer equipment and display equipment, and also difficult to provide the best use experience for users, and improving the corresponding structure and composition thereof one by one, so that the video connector 1 of the present invention can not only be easily and quickly applied to the existing DP video connector process, the production efficiency and the product yield of the video connector 1 can be greatly improved, so that the correct electrical connection relationship between each plug-in terminal 30 and the circuit 200 of the circuit board 20 can be always maintained, the best video transmission effect can be provided for the connected computer equipment and display equipment, and the best use experience can be provided for users.

Referring to fig. 1 and 2, in the preferred embodiment of the present invention, the video connector 1 includes: a first insulating colloid 10A, a second insulating colloid 10B, a circuit board 20 and a plurality of plug terminals 30; the first insulating colloid 10A is made of plasticized insulating material by integral injection molding, a first positioning space 100A is formed in the first insulating colloid, a front socket 102 is formed at the front end of the first insulating colloid, a plurality of terminal embedding grooves 104 are formed in the front socket 102, a first embedding structure 101A is formed at the rear end of the first insulating colloid, and the front socket 102 and the terminal embedding grooves 104 are respectively communicated with the first positioning space 100A; the second insulating colloid 10B is also made of plasticized insulating material by integral injection molding, and has a second positioning space 100B formed therein, and a second scarf joint structure 101B is disposed at the front end thereof, and the configuration of the second scarf joint structure 101B matches with the configuration of the first scarf joint structure 101A, so that the first scarf joint structure 101A and the second scarf joint structure 101B can be mutually scarf-jointed to combine the first insulating colloid 10A and the second insulating colloid 10B into a whole, and the first positioning space 100A and the second positioning space 100B can jointly form a positioning space 100 (see fig. 3), the rear end of the second insulating colloid 10B has a rear socket 103, and the rear socket 103 is communicated with the second positioning space 100B;

referring to fig. 2 and 3, in the aforementioned embodiment of the present invention, a plurality of terminal contacts 21 are respectively disposed on the top surface and the bottom surface of the circuit board 20 adjacent to the front edge thereof, each terminal contact 21 is electrically connected to the circuit 200 disposed on the circuit board 20 for soldering the pins at the rear end of each plug terminal 30 thereon, and after the pins at the rear end of each plug terminal 30 are respectively soldered to each terminal contact 21, the configuration formed by the circuit board 20 and the plug terminals 30 is matched with the configuration of the positioning space 100, so that the circuit board 20 and the plug terminals 30 can be directly mounted and positioned in the positioning space 100, or the circuit board 20 can be mounted and positioned in the positioning space 100 through the rear plug interface 103, and the pins at the front end of each plug terminal 30 can be respectively inserted and positioned in the terminal embedding grooves 104, thus, since the circuit board 20 is firmly embedded and positioned between the first insulating resin 10A and the second insulating resin 10B, it can be combined with the embedding structure between the first insulating resin 10A and the second insulating resin 10B to form the core structure of the video connector 1, the overall structural strength of the video connector 1 is effectively enhanced, so that the video connector 1 can always maintain the ideal structural strength after being plugged and pulled for a long time, is not easy to distort and deform, thereby ensuring that the proper electrical connection between each of the plug terminals 30 and the circuit board 20 is always maintained, so as to effectively increase the service life of the video connector 1, provide the best video transmission effect between the connected computer device (not shown) and the display device (not shown), and provide the best use experience for the user.

In other embodiments of the present invention, referring to fig. 1 and 3, a terminal inspection hole H is recessed at the rear end of the top and bottom surfaces of the first insulating resin 10A or at the front end of the top and bottom surfaces of the second insulating resin 10B according to the actual requirements of the product or process, the terminal inspection hole H is communicated with the positioning space 100, so that the circuit board 20 is positioned to the positioning space 100, and when the pins at the front end of each plug terminal 30 are inserted into and positioned in the terminal embedding grooves 104, the terminal contacts 21 on the circuit board 20 just correspond to the terminal welding inspection holes H, so that the welding portion where the pins at the rear end of the plug terminal 30 are welded to the terminal contacts 21 can pass through the terminal welding inspection holes H, and the pins are exposed out of the top surface and the bottom surface of the insulating colloid 10, so that production operators can easily and quickly detect the quality of the welding state between the pins at the rear end of each plug-in terminal 30 and the corresponding terminal contacts 21 on the circuit board 20 through naked eyes or a detection device (not shown), thereby ensuring that the correct electrical connection relationship can be maintained between each plug-in terminal 30 and the circuit board 20 all the time, and providing the best video transmission effect for the connected devices.

In the aforementioned embodiment of the present invention, referring to fig. 1 and 4, the top surface and the bottom surface of the first insulating colloid 10A and the second insulating colloid 10B are respectively provided with a first front scarf joint groove 105A and a first rear scarf joint groove 105B along the longitudinal direction thereof at the positions adjacent to the two side edges thereof, and the first front scarf joint groove 105A and the first rear scarf joint groove 105B correspond to each other and are mutually communicated, so as to form a first scarf joint groove 105 together when the first insulating colloid 10A and the second insulating colloid 10B are mutually scarf-jointed into a whole. In the aforementioned embodiment of the present invention, referring to fig. 1 and fig. 2, the video connector 1 further includes two elastic clamping pieces 40, each of the elastic clamping pieces 40 is provided with a second engaging groove 405 along the longitudinal direction thereof, the configuration of the second engaging groove 405 matches with the configuration of the first engaging groove 105, so that each of the elastic clamping pieces 40 can be respectively engaged with each of the first engaging grooves 105 and can be longitudinally displaced along the first engaging groove 105; wherein, the top side of each elastic clamping piece 40 is convexly provided with a clamping hook 401 at a position adjacent to the front end thereof, when the video connector 1 is inserted into a corresponding video connecting seat (not shown), the clamping hook 401 can be stably clamped and abutted to the corresponding clamping part in the video connecting seat, so that the video connector 1 and the video connecting seat can be stably and electrically connected with each other, video signals are stably transmitted with each other, and the video connector is not easy to loose and disconnect with each other due to vibration or shaking; referring to fig. 1 and 2, a release key 402 is protruded from the top side of each elastic card-fitting member 40 at a position adjacent to the rear end thereof, so that when a user wants to pull the video connector 1 out of the video connector holder, the user only needs to press the release key 402 and push the release key 402 toward the rear end of the video connector 1, and the card-fitting hook 401 can be disengaged from the corresponding card-fitting portion in the video connector holder, so as to smoothly pull the video connector 1 out of the video connector holder. In addition, in the aforementioned embodiment of the present invention, referring to fig. 1 and fig. 2, a plurality of abutting portions 4051 are respectively disposed on the inner edge of each of the first engaging groove 105 and the second engaging groove 405, so that each of the elastic engaging members can be abutted and positioned at a proper engaging position when moving longitudinally along the first engaging groove 105, so as to facilitate the user to operate the sectional inserting and pulling action of the video connector 1.

In order to make the video connector 1 have better anti-electromagnetic interference function and effect, in the aforementioned embodiment of the present invention, please refer to fig. 2 and fig. 4, the video connector 1 further includes a metal shell 50, an accommodating space 500 is formed in the metal shell 50, the configuration of the accommodating space 500 matches with the configuration of the insulating colloid 10, so that the metal shell 50 can cover the insulating colloid 10 to protect the insulating colloid 10, and shield the inserting terminals 30, so that the video signals transmitted by the inserting terminals 30 will not be interfered by external electromagnetic waves, and will not generate electromagnetic waves to interfere with the surrounding circuits; a hook abdicating groove 501 is formed in the metal shell 50 at a position corresponding to the inserting hook 401, and the hook abdicating groove 501 is communicated with the accommodating space 500, so that the inserting hook 401 can pass through the hook abdicating groove 501 and be exposed out of the metal shell 50; a release key recess 502 is formed on the metal housing 50 at a position corresponding to the release key 402, and the release key recess 502 is communicated with the accommodating space 500, so that the release key 402 can be exposed out of the metal housing 50 through the release key recess 502.

The above description is only a preferred embodiment of the present invention, and the claimed invention is not limited thereto, and those skilled in the art can easily understand the equivalent changes according to the technical content disclosed by the present invention, and all the changes do not depart from the protection scope of the present invention.

Claims

1. A video connector having a two-piece adhesive engagement structure, comprising:

a first insulating colloid which is made of plasticized insulating materials by integral injection molding and is internally provided with a first positioning space, the front end of the first insulating colloid is provided with a front inserting port, a plurality of terminal embedding grooves are arranged in the front inserting port, the rear end of the first insulating colloid is provided with a first embedding structure, and the front inserting port and each terminal embedding groove are respectively communicated with the first positioning space;

a second insulating colloid, which is also made of plasticized insulating material by integral injection molding, and is provided with a second positioning space therein, the front end of the second insulating colloid is provided with a second scarf joint structure, the configuration of the second scarf joint structure is matched with the configuration of the first scarf joint structure, so that the first scarf joint structure and the second scarf joint structure can be mutually scarf jointed to enable the first insulating colloid and the second insulating colloid to be combined into a whole, and the first positioning space and the second positioning space can jointly form a positioning space, the rear end of the second insulating colloid is provided with a rear plugging port, and the rear plugging port is communicated with the second positioning space;

and the circuit board is provided with a plurality of terminal contacts on the top surface and the bottom surface which are adjacent to the front edge, each terminal contact is electrically connected with a circuit arranged on the circuit board, so that pins at the rear ends of a plurality of plug-in terminals can be respectively welded on the terminal contacts, and after the pins at the rear ends of the plug-in terminals are respectively welded on the terminal contacts, the configuration formed by the circuit board and the plug-in terminals is matched with the positioning space so as to be positioned to the positioning space, and the pins at the front ends of the plug-in terminals are respectively inserted and positioned to the terminal embedding grooves.

2. The video connector of claim 1, wherein a terminal soldering inspection hole is recessed in the rear end of the top and bottom surfaces of the first insulating resin or in the front end of the top and bottom surfaces of the second insulating resin, the terminal soldering inspection hole is in communication with the positioning space, so that the circuit board is positioned in the positioning space, and when the pins of the front end of each plug terminal are inserted into and positioned in the terminal embedding grooves, the terminal contacts on the circuit board correspond to the terminal soldering inspection holes, so that the soldering portions of the pins of the rear end of the plug terminal soldered to the terminal contacts can pass through the terminal soldering inspection holes and be exposed outside the top and bottom surfaces of the insulating resin.

3. The video connector according to claim 2, wherein the top and bottom surfaces of the first and second insulating resin bodies are recessed with a first front engaging groove and a first rear engaging groove along the longitudinal direction thereof, respectively, at positions adjacent to the two side edges thereof, the first front engaging groove and the first rear engaging groove corresponding to and communicating with each other to form a first engaging groove together when the first and second insulating resin bodies are engaged together.

4. The video connector according to claim 3, further comprising two elastic engagement pieces, each of the elastic engagement pieces having a second engagement groove formed along a longitudinal direction thereof, the second engagement groove having a configuration matching that of the first engagement groove, so that each of the elastic engagement pieces can be engaged with each of the first engagement grooves, respectively, and can be displaced along the first engagement groove in the longitudinal direction.

5. The video connector of claim 4, wherein each of the elastic engaging members has a hook protruding from a top side thereof adjacent to a front end thereof, and when the video connector is inserted into a corresponding video connector holder, the hook is capable of being firmly engaged with a corresponding engaging portion of the video connector holder, so that the video connector and the video connector holder can be firmly and electrically connected to each other, and video signals can be stably transmitted to each other without being easily released from each other due to vibration or shaking.

6. The video connector of claim 5, wherein a release key is protruded from a top side of each of the resilient latching members adjacent to a rear end thereof, and each of the latching hooks is disengaged from a corresponding latching portion of the video connector housing in a state where the release key is pressed and pushed toward the rear end of the video connector.

7. The video connector according to claim 6, wherein a plurality of abutting portions are provided on inner edges of the first engaging groove and the second engaging groove, respectively, so that the elastic engaging pieces can be positioned in the appropriate engaging positions by abutting in stages when the elastic engaging pieces are displaced in the longitudinal direction along the first engaging groove.

8. The video connector of claim 7, further comprising a metal shell, wherein the metal shell defines an accommodating space therein, and the accommodating space is configured to match the insulating resin so that the metal shell can cover the insulating resin to protect the insulating resin and shield the plug terminals.

9. The video connector of claim 8, wherein a hook relief groove is formed on the metal housing at a position corresponding to the insertion hook, the hook relief groove being in communication with the accommodating space, such that the insertion hook can pass through the hook relief groove and be exposed outside the metal housing.

10. The video connector of claim 9, wherein a release key recess is formed on the metal housing at a position corresponding to the release key, the release key recess being in communication with the accommodating space, such that the release key is exposed outside the metal housing through the release key recess.