CN213938420U

CN213938420U - Circuit board structure for capacitive touch liquid crystal display screen

Info

Publication number: CN213938420U
Application number: CN202022986415.4U
Authority: CN
Inventors: 唐超; 王洪波
Original assignee: Dongguan Huiqin Zhiyuan Technology Co ltd
Current assignee: Dongguan Huiqin Zhiyuan Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-10
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a capacitive touch display screen's field, especially, relate to a circuit board structure for capacitive touch liquid crystal display, including the circuit board body, a side surface of circuit board body is provided with dodges the portion, dodge the portion and set up sunken setting along the length direction of circuit board body, the sunken department of dodging the portion is provided with USB interface and HDMI interface, one side in dodging the portion is provided with HDMI interface and USB interface, compared with the prior art, connect with HDMI when HDMI, when USB connects with USB interface connection, USB connects and circuit board parallel and level with HDMI, so can reduce because of USB connects difficult buckling and shared space with HDMI, make USB connect and connect difficult receiving the touching and drop with HDMI, make HDMI connect to hide at the display screen back with USB, so that the installation of complete machine.

Description

Circuit board structure for capacitive touch liquid crystal display screen

Technical Field

The application relates to the field of display of a capacitive touch liquid crystal display screen, in particular to a circuit board structure for the capacitive touch liquid crystal display screen.

Background

The capacitive touch liquid crystal display screen works by utilizing current induction of a human body, and the operation of a host machine can be realized by lightly touching icons and characters of the liquid crystal panel by fingers of a user so that a human-computer interaction interface is more direct.

The existing capacitive touch liquid crystal display screen comprises a capacitive screen, a liquid crystal display screen and a circuit board for driving the liquid crystal display screen, wherein the capacitive screen and the circuit board are respectively and fixedly arranged on the surfaces of two sides of the liquid crystal display screen. The circuit board is provided with a capacitive touch screen interface, a liquid crystal display interface, an HDMI interface and a USB interface, the HDMI interface is used for inputting external HDMI signals, the USB interface can be used for data transmission or power supply, the HDMI interface and the USB interface can be generally installed on the side of the circuit board in design, and a user can connect corresponding interfaces through an HDMI cable and a USB cable when installing the display screen.

To the above-mentioned correlation technique, the inventor thinks because the connector of HDMI cable and USB cable is difficult for buckling, when needs will be to the display screen installation, need reserve certain space and supply HDMI cable and USB to connect to insert, so make the display screen occupy more space, and the USB that has installed connects can bulge outside the display screen with the HDMI after connecting, so be unfavorable for the installation of complete machine.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the HDMI connects and USB connects occupation space more, this application provides a circuit board structure for capacitive touch liquid crystal display.

The application provides a circuit board structure for capacitive touch liquid crystal display adopts following technical scheme:

the utility model provides a circuit board structure for capacitanc touch liquid crystal display, includes the circuit board body, a side surface of circuit board body is provided with dodges the portion, dodge the portion and follow the sunken setting of length direction of circuit board body, the depressed part of dodging the portion is provided with HDMI interface and USB interface.

Through adopting above-mentioned technical scheme, add the portion of dodging on the circuit board body, the length direction sunken setting of portion along the circuit board of dodging, when the length overlength of HDMI cable and USB cable, the portion of dodging can have sufficient space to accomodate for HDMI cable and USB cable, also played the effect of dodging and holding and establishing the foreign object, be provided with HDMI interface and USB interface in the one side of the portion of dodging simultaneously, compared with the prior art, connect and HDMI interface connection when HDMI, when USB connects and USB interface connection, USB connects and HDMI connects and the circuit board parallel and level, so can reduce because of USB connects and the difficult shared space of buckling of HDMI joint, make USB connect and HDMI connect the difficult touching and drop that receives, make HDMI connect and USB connect to hide at the display screen back, so that the installation of complete machine.

Preferably, the avoiding part is a groove, and each corner of the groove is arranged in a round angle mode.

Through adopting above-mentioned technical scheme, each turning is the fillet setting, can reduce the corner to colliding with and wearing and tearing of cable.

Preferably, dodge portion department and be provided with the setting element that is used for the HDMI cable to fix a position with the USB cable, the setting element is the locating plate, the both ends of locating plate all are provided with the inserted block, dodge portion relative both ends all be provided with the jack that the inserted block corresponds, the inserted block with correspond the jack cooperation of pegging graft.

By adopting the technical scheme, the HDMI cable and the USB cable can be positioned by additionally arranging the positioning plate, and the insertion block is in insertion fit with the insertion hole, so that the positioning plate is convenient to mount and dismount; insert through the inserted block and make the locating plate fixed in the jack, locating plate butt HDMI cable and USB cable make HDMI cable and USB cable be located dodge portion, so make HDMI cable and USB cable be difficult for rocking.

Preferably, an elastic clamping block is arranged on the surface of one side of the inserting block, a clamping hole corresponding to the elastic clamping block is formed in the bottom of the inserting hole, and the elastic clamping block is in clamping fit with the corresponding clamping hole.

Through adopting above-mentioned technical scheme, add elasticity fixture block and the cooperation of card hole joint and strengthen the stability between inserted block and the jack, make the inserted block difficult break away from the jack.

Preferably, the positioning plate is provided with a poking hole.

Through adopting above-mentioned technical scheme, the setting of dialling the hole is convenient for people to take off the locating plate.

Preferably, dodge the portion and include the spacing groove, be provided with spacing sand grip on the spacing groove, just spacing sand grip set up in HDMI interface and USB interface.

Through adopting above-mentioned technical scheme, the setting of spacing sand grip has played limiting displacement to HDMI cable and USB cable, makes HDMI cable and USB cable be difficult for in disorder shaking to be convenient for HDMI cable and USB cable are accomodate.

Preferably, the four end corners of the circuit board body are provided with nut posts for positioning the circuit board body, and each nut post is provided with a threaded hole.

Through adopting above-mentioned technical scheme, add the nut post on the circuit board body, set up the screw hole on the nut post to people are fixed to the installation of circuit board body.

Preferably, the circuit board body is provided with a first perforation and a second perforation, the first perforation and the second perforation are located on one side of the avoiding portion, the first perforation is used for allowing a capacitive touch screen cable to pass through and connecting with the capacitive touch screen interface, and the second perforation is used for allowing a liquid crystal display screen cable to pass through and connecting with the liquid crystal display screen interface.

Through adopting above-mentioned technical scheme, first perforation and the fenestrate capacitive touch screen cable and the liquid crystal display cable of being convenient for of second pass, it is spacing to capacitive touch screen cable and liquid crystal display cable, make capacitive touch screen cable and liquid crystal display cable be difficult for rocking or walking on when the LCD display installation, reduce the required length of capacitive touch screen cable and liquid crystal display cable, make circuit board body and capacitive touch screen and liquid crystal display when the complete machine is installed, the monolithic connectivity is stronger, the cable is better with interface connection's stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the HDMI connector is connected with the HDMI interface and the USB connector is connected with the USB interface, the USB connector and the HDMI connector are flush with the circuit board, so that the space occupied by the fact that the USB connector and the HDMI connector are not prone to bending can be reduced;

2. each corner is arranged in a round angle, so that the collision and abrasion of the corner to the cable can be reduced;

3. the first perforation and the second perforation are convenient for the capacitive touch screen cable and the liquid crystal display cable to pass through so as to limit the capacitive touch screen cable and the liquid crystal display cable.

Drawings

Fig. 1 is a schematic structural diagram of a circuit board body, a liquid crystal display and a capacitive touch screen in embodiment 1 of the present application;

fig. 2 is a schematic plan view of a circuit board body according to embodiment 1 of the present application;

fig. 3 is a partial structural schematic view of a circuit board body according to embodiment 2 of the present application;

fig. 4 is a schematic partial structure diagram of a circuit board body according to embodiment 3 of the present application.

Description of reference numerals: 1. a circuit board body; 2. a liquid crystal display screen; 3. a capacitive touch screen; 4. a groove; 5. an HDMI cable; 6. a USB cable; 7. an HDMI interface; 8. a USB interface; 9. a nut post; 10. a threaded hole; 11. a capacitive touch screen interface; 12. a liquid crystal display interface; 13. a first perforation; 14. a second perforation; 15. a capacitive touch screen cable; 16. a liquid crystal display cable; 17. positioning a groove; 18. positioning a plate; 19. inserting a block; 20. a jack; 21. an elastic clamping block; 22. a clamping hole; 23. poking holes; 24. a limiting groove; 25. limiting convex strips.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a circuit board structure for a capacitive touch liquid crystal display screen.

Example 1:

referring to fig. 1, a circuit board structure for capacitive touch liquid crystal display, including circuit board body 1, a side surface of the length direction of circuit board body 1 is provided with dodges the portion, in this embodiment, dodges the portion and is recess 4, and recess 4 sets up along the length direction of circuit board body 1 and runs through sunken setting, and the length of recess 4 accounts for the one third of the length of circuit board body 1. When the circuit board body 1 is installed in combination with the liquid crystal display 2 and the capacitive touch screen 3 to form the capacitive touch liquid crystal display, the groove 4 can play a role in avoiding and accommodating external objects, and the weight of the circuit board body 1 is also reduced. All the corners of the groove 4 are arranged in a round angle mode so as to reduce the collision and abrasion of the corners to the HDMI cable 5 and the USB cable 6.

Meanwhile, one side surface of the circuit board body 1 is provided with an HDMI interface 7 and a USB interface 8. When the circuit board body 1 is mounted with the liquid crystal display 2 and the capacitive touch screen 3, the HDMI interface 7 and the USB interface 8 are mounted on a surface of the circuit board body 1 away from the liquid crystal display 2. In addition, the HDMI interface 7 and the USB interface 8 are located at the bottom of the groove, and both the HDMI interface 7 and the USB interface 8 face the notch of the groove 4.

In the shell of the capacitance type touch liquid crystal display screen convenient for the installation and fixation of the circuit board body 1, four end corners of the circuit board body 1 are connected with nut columns 9 used for positioning the circuit board body 1 in a bonding or welding mode. The surface of one side of each nut column 9 far away from the circuit board body 1 is provided with a threaded hole 10, and the threaded hole 10 is used for connecting a bolt installed on the shell in a threaded manner, so that the circuit board is fixed in the shell.

Referring to fig. 2, it should be noted that a capacitive touch screen interface 11 and a liquid crystal display interface 11 are installed on a surface of one side of the circuit board body 1 away from the liquid crystal display 2, and the capacitive touch screen interface 11 and the liquid crystal display interface 11 are located on a surface of one side close to a bottom of the groove 4. In this embodiment, the lcd interface 11 is located on a side surface close to the bottom of the groove 4, the capacitive touch screen interface 11 is located on a side of the lcd interface 12 away from the bottom of the groove 4, and the lcd interface 12 is located on a side surface close to the bottom of the groove 4. Meanwhile, a first through hole 13 and a second through hole 14 are formed in the surface of one side of the circuit board body 1, the first through hole 13 and the second through hole 14 are arranged in a penetrating mode, and the first through hole 13 and the second through hole 14 are located on one side close to the bottom of the groove 4. First perforation 13 is passed and is connected with capacitive touch screen interface 11 for capacitive touch screen cable 15, and second perforation 14 passes and is connected with liquid crystal display interface 12 for liquid crystal display cable 16, so can be to capacitive touch screen cable 15 and liquid crystal display cable 16 spacing, and the stability when making capacitive touch screen cable 15 be connected with capacitive touch screen interface 11 and liquid crystal display cable 16 be connected with liquid crystal display interface 12 is better.

The implementation principle of the circuit board structure for the capacitive touch liquid crystal display screen is as follows: be provided with HDMI interface 7 and USB interface 8 in the one side of dodging the portion, connect with HDMI interface 7 when HDMI, when USB connects and is connected with USB interface 8, USB connects and connects with HDMI and circuit board parallel and level, so can reduce because of USB connects and HDMI and connect the difficult shared space of buckling.

Example 2:

referring to fig. 3, unlike embodiment 1, the escape portion is a positioning groove 17, and the positioning groove 17 is opened from one surface in the longitudinal direction of the circuit board along the longitudinal direction of the circuit board body 1. In the present embodiment, the avoidance portion is provided with a positioning member for positioning the HDMI cable 5 with the USB cable 6, the positioning member is a positioning plate 18, and the positioning plate 18 is disposed along the length direction of the avoidance portion.

The both ends of locating plate 18 all are provided with inserted block 19, dodge the relative both ends of portion and all offer the jack 20 that corresponds with inserted block 19, and jack 20 runs through the setting from two cell walls that constant head tank 17 is relative along a side surface of circuit board body 1, and inserted block 19 and the cooperation of pegging graft of the jack 20 that corresponds, make locating plate 18 fix on circuit board body 1 from this. When the connector of the HDMI cable 5 and the connector of the USB cable 6 are connected to the corresponding interfaces, the positioning plate 18 abuts against the two cables, so that the two cables can be positioned in the positioning groove 17, and the two cables are not prone to shaking. One surface of the plug block 19 away from the positioning plate 18 is connected with an elastic fixture block 21, and the elastic fixture block 21 and the plug block 19 can be connected in an adhesion mode. The bottom of the hole of the insertion hole 20 is provided with a clamping hole 22 corresponding to the elastic clamping block 21, and each elastic clamping block 21 is in clamping fit with the corresponding clamping hole 22, so that the insertion block 19 is not easy to separate from the insertion hole 20, and the stability between the insertion block 19 and the insertion hole 20 is enhanced. In addition, two poking holes 23 are formed in the surfaces of the two sides of the positioning plate 18 in the width direction, and the two poking holes 23 in the same side surface are respectively located on the two sides of the positioning plate 18 in the length direction, so that people can conveniently poke the positioning plate 18 to detach the positioning plate 18.

The implementation principle of the circuit board structure for the capacitive touch liquid crystal display screen is as follows: the HDMI interface 7 and the USB interface 8 are arranged on one side of the avoiding part, and meanwhile, the positioning plate 18 is additionally arranged on the avoiding part to position the cable so as to be convenient for accommodating the cable.

Example 3:

referring to fig. 4, unlike the above embodiments 1 and 2, the relief portion is a limiting groove 24, and the limiting groove 24 is formed along the length direction of the circuit board body 1 from one side surface in the length direction of the circuit board, in this embodiment, the limiting convex strip 25 is integrally formed with the circuit board body 1, and one end of the limiting convex strip 25 is integrally formed with the bottom of the limiting groove 24. The limiting convex strip 25 is arranged between the HDMI interface 7 and the USB interface 8, and the limiting convex strip 25 is arranged along the length direction of the limiting groove 24, so that the HDMI cable 5 and the USB cable 6 are limited, the HDMI cable 5 and the USB cable 6 are separated, the HDMI cable 5 and the USB cable 6 are convenient to store, and the two cables are not easy to be randomly placed.

The implementation principle of the circuit board structure for the capacitive touch liquid crystal display screen is as follows: the avoidance part is additionally provided with the limiting convex strip 25 to separate the HDMI cable 5 from the USB cable 6, so that the cables are not easy to be wound together.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a circuit board structure for capacitive touch liquid crystal display, includes circuit board body (1), its characterized in that: the circuit board comprises a circuit board body (1), and is characterized in that an avoiding portion is arranged on one side surface of the circuit board body (1), the avoiding portion is arranged along the length direction of the circuit board body (1) in a concave mode, and an HDMI interface (7) and a USB interface (8) are arranged at the concave position of the avoiding portion.

2. A circuit board structure for a capacitive touch liquid crystal display as claimed in claim 1, wherein: the avoiding part is a groove (4), and each corner of the groove (4) is arranged in a round angle mode.

3. A circuit board structure for a capacitive touch liquid crystal display as claimed in claim 1, wherein: dodge portion department and be provided with the setting element that is used for HDMI cable (5) to fix a position with USB cable (6), the setting element is locating plate (18), the both ends of locating plate (18) all are provided with inserted block (19), dodge portion relative both ends all be provided with jack (20) that inserted block (19) correspond, inserted block (19) with correspond jack (20) are pegged graft the cooperation.

4. A circuit board structure for a capacitive touch liquid crystal display as claimed in claim 3, wherein: an elastic clamping block (21) is arranged on the surface of one side of the inserting block (19), a clamping hole (22) corresponding to the elastic clamping block (21) is formed in the bottom of the hole of the inserting hole (20), and the elastic clamping block (21) is in clamping fit with the corresponding clamping hole (22).

5. A circuit board structure for a capacitive touch liquid crystal display as claimed in claim 3, wherein: the positioning plate (18) is provided with a poking hole (23).

6. A circuit board structure for a capacitive touch liquid crystal display as claimed in claim 1, wherein: dodge the portion for spacing groove (24), be provided with spacing sand grip (25) on the spacing groove, just spacing sand grip (25) set up in HDMI interface (7) and between USB interface (8).

7. A circuit board structure for a capacitive touch liquid crystal display as claimed in claim 1, wherein: the circuit board is characterized in that nut columns (9) used for positioning the circuit board body (1) are arranged at four end corners of the circuit board body (1), and threaded holes (10) are formed in each nut column (9).

8. A circuit board structure for a capacitive touch liquid crystal display as claimed in claim 1, wherein: be provided with first perforation (13) and second perforation (14) on circuit board body (1), just first perforation (13) with second perforation (14) are located dodge one side of portion, first perforation (13) supply capacitance touch-sensitive screen cable (15) pass with capacitance touch-sensitive screen interface (11) are connected, second perforation (14) supply liquid crystal display cable (16) pass with liquid crystal display interface (12) are connected.