CN211207008U - Liquid crystal display screen mounting structure for taximeter - Google Patents
Liquid crystal display screen mounting structure for taximeter Download PDFInfo
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- CN211207008U CN211207008U CN201921817329.1U CN201921817329U CN211207008U CN 211207008 U CN211207008 U CN 211207008U CN 201921817329 U CN201921817329 U CN 201921817329U CN 211207008 U CN211207008 U CN 211207008U
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- liquid crystal
- crystal display
- circuit board
- display panel
- mounting structure
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Abstract
The utility model discloses a liquid crystal display screen mounting structure for a taximeter, which comprises a liquid crystal display panel and a circuit board connected with the liquid crystal display panel, wherein the back surface of the liquid crystal display panel is directly fixed on the circuit board and is integrated with the circuit board; the liquid crystal display panel is connected with the circuit board through a connecting line; the circuit board is fixed through a convenient fixing device, and the convenient fixing device comprises a fixing body, a plurality of clamping sheets arranged on the fixing body and a plurality of fixing clamping ends arranged on the fixing body; the clamping sheets and the fixing body are enclosed to form clamping grooves, the depth of each clamping groove is one third to one half of the height of the circuit board, the clamping grooves are arranged at intervals, and the first side faces of the clamping grooves are obliquely arranged towards the fixing body; the fixed clamping ends are arranged on the fixed body at intervals.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a liquid crystal display technical field specifically is a liquid crystal display mounting structure for taximeter.
[ background of the invention ]
The liquid crystal display screen is a product frequently used in life of people, is widely applied to mobile phones, notebook computers, air conditioners and remote controllers thereof, various mechanical equipment and instruments, and facilitates life and production. Liquid crystal displays are also used in the taximeters to display the respective name, price and total value of the goods or merchandise being counted. However, the liquid crystal display screen for the conventional taximeter is generally connected with a circuit board through a flexible wire to drive the liquid crystal display screen to display information, the liquid crystal display screen is convenient to mount and dismount, but is not beneficial to fixing the liquid crystal display screen, the liquid crystal display screen and the circuit board need independent mounting structures and spaces, so that a larger space is occupied, the mounting volume is increased, and the liquid crystal display screen is inconvenient to use; and the installation of current liquid crystal display is more troublesome, needs to use a plurality of screws to fix respectively, is not convenient for install the operation.
[ Utility model ] content
An object of the utility model is to provide a liquid crystal display mounting structure for taximeter solves the great problem in space that independent mounting structure occupies separately of liquid crystal display and circuit board.
In order to solve the above problem, the utility model provides a technical scheme as follows: the liquid crystal display screen mounting structure for the taximeter comprises a liquid crystal display panel and a circuit board connected with the liquid crystal display panel, wherein the back surface of the liquid crystal display panel is directly fixed on the circuit board and is integrally formed with the circuit board; the liquid crystal display panel is connected with the circuit board through a connecting line; the circuit board is fixed through a convenient fixing device, and the convenient fixing device comprises a fixing body, a plurality of clamping sheets arranged on the fixing body and a plurality of fixing clamping ends arranged on the fixing body; the clamping sheets and the fixing body are enclosed to form clamping grooves, the depth of each clamping groove is one third to one half of the height of the circuit board, the clamping grooves are arranged at intervals, and the first side faces of the clamping grooves are obliquely arranged towards the fixing body; the fixed clamping ends are arranged on the fixed body at intervals.
The circuit board is provided with at least two limiting holes.
The circuit board is provided with at least two fixing holes.
The circuit board is provided with a plurality of control keys.
The circuit board is provided with a circuit connector, and the circuit connector comprises a connecting body, a plurality of connecting ends arranged on the connecting body and a protective cover hinged on the connecting body.
The circuit board is provided with a flat cable through hole, and the connecting circuit penetrates through the flat cable through hole to connect the liquid crystal display panel and the circuit board.
And the circuit board is provided with a communication connecting end.
And a protective frame is arranged on the circuit board and surrounds the liquid crystal display panel.
Compared with the prior art, the utility model discloses there is following advantage:
1. the utility model discloses a liquid crystal display mounting structure for taximeter is through fixing the liquid crystal display panel directly on the circuit board like welding or gluing with glue, make the liquid crystal display panel can be installed together after the seamless laminating of circuit board, reduced the structural component that uses and the installation space that occupies when liquid crystal display panel and circuit board are independently installed respectively, the effective installation space volume that practices thrift and occupies;
2. the utility model discloses a liquid crystal display mounting structure for a taximeter, which can limit and fix the liquid crystal display and a circuit board on the corresponding equipment needing to mount the liquid crystal display for the taximeter through a limiting hole and a fixing hole arranged on the circuit board;
3. the utility model discloses a liquid crystal display mounting structure for a taximeter, through the circuit connector that sets up on the circuit board and the visor that hinges on the connection body of circuit connector, make the visor compress tightly interconnecting link on a plurality of corresponding connections, also make the function circuit of connecting circuit board and external circuit change easily;
4. the utility model discloses a liquid crystal display mounting structure for a taximeter, which protects the liquid crystal display through the protective frame arranged around the liquid crystal display panel, so that the liquid crystal display is prevented from being directly contacted and extruded by an adjacent structure, and the liquid crystal display is prevented from being damaged;
5. the utility model discloses a liquid crystal display mounting structure for taximeter is fixed the circuit board through the convenient fixing device who sets up below the circuit board, is convenient for install the circuit board that has liquid crystal display.
[ description of the drawings ]
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a rear view of an embodiment of the present invention.
Fig. 3 is a side view of an embodiment of the present invention.
Fig. 4 is a first perspective view of the portable fixing device according to the embodiment of the present invention.
Fig. 5 is a second perspective view of the convenient fixing device according to the embodiment of the present invention.
FIG. 6 is a cross-sectional view of the portable fastening device of FIG. 4 taken along section line A-A.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In embodiment 1, please refer to fig. 1 to 6, the present embodiment provides a liquid crystal display mounting structure for a price counter, including a liquid crystal display panel 1 and a circuit board 2 connected to the liquid crystal display panel 1, a back surface of the liquid crystal display panel 1 is directly fixed to the circuit board 2 and is integrally formed with the circuit board, that is, the liquid crystal display panel 1 and the circuit board 2 are uniformly replaced when being detached, installed, or replaced, the liquid crystal display panel 1 is connected to the circuit board 2 through a connecting line 11, the liquid crystal display panel is directly and fixedly connected to the circuit board, the liquid crystal display panel and the circuit board can be bonded through welding or special glue, so that the liquid crystal display panel and the circuit board can be installed together after being integrally formed, thereby reducing structural components for independent installation and an occupied installation space, effectively saving occupied space volume, in this embodiment, a back surface of the liquid crystal display panel is welded to the circuit board, the circuit board 2 is fixed through a convenient fixing device 3, the convenient fixing device 3 includes a fixing body 31, a plurality of fixing clips 32 disposed on the fixing body 31, and a plurality of fixing clips disposed on the fixing clips 32, and a fixing device 3534 disposed on the fixing body, the fixing device is disposed so that the fixing device, the fixing device is capable of the fixing device, the fixing device is disposed so that the fixing device, the fixing device is disposed in the fixing device, the fixing device is disposed in the fixing device, the fixing device is disposed in the fixing device, the fixing device.
The circuit board 2 is provided with at least two limiting holes 20, the mounting position of the circuit board on the taximeter is limited through the limiting holes, so that the circuit board can move only in the front-back direction of mounting through the limiting holes and cannot move up and down and left and right, and the function of limiting the position of the circuit board is achieved.
The circuit board 2 is provided with at least two fixing holes 21, in this embodiment, four fixing holes 21 are provided, so that the circuit board can be fixed on the circuit board through the fixing holes by screws, as shown in fig. 1 and fig. 2, and the fixing holes are respectively located at four corner positions of the circuit board, so that the circuit board can be further fixed on a mounting housing of the taximeter while the mounting of the liquid crystal display panel is not affected, and the mounting housing of the taximeter is not shown in the drawings.
The circuit board 2 is provided with a plurality of control keys 22, and the control keys are arranged on the circuit board to facilitate maintenance, so that the liquid crystal display screen can be operated without being detached when the control keys are replaced or maintained. The information display control of the liquid crystal display panel can be realized by pressing a plurality of control keys, such as changing the price, the weight and the quantity of different commodities, opening and closing a liquid crystal display screen and the like.
The circuit board 2 is provided with a circuit connector 23, the circuit connector 23 includes a connection body 230, a plurality of connection terminals 232 disposed on the connection body 230, and a protection cover 231 hinged to the connection body 230, the connection body provides positions for the plurality of connection terminals and facilitates the arrangement of the protection cover, the circuit connector 23 is used for connecting a connection line of the liquid crystal display screen and an external circuit, specifically, as shown in fig. 2, 14 connection terminals 232 are provided from left to right, and NC (complete machine signal input), K1 (diode), K2 (positive and negative power supply of the backlight source), K3, L EDA (positive electrode of the backlight source, negative electrode of the backlight source connected to VSS), K4, NC (complete machine signal output), VSS (ground terminal), VDD (power supply terminal), SDA (data transmission interface), SCK (clock interface, which is used together with the SDA interface to transmit and receive data), CD, RES (reset terminal), CS (chip select terminal) interface, so as to connect with corresponding interfaces of the external circuit, the connection body 230 of the circuit connector 23 is hinged to facilitate the replacement of the connection body, and to ensure that the connection line connector is electrically connected to both sides.
Be equipped with winding displacement via hole 24 on circuit board 2, interconnecting link 11 follows on the circuit board 2 winding displacement via hole 24 passes in order to connect liquid crystal display panel 1 with circuit board 2, winding displacement via hole 24 make the flexible connection line of connecting circuit board and external power source stretch out from the winding displacement via hole, need not wholly pull down liquid crystal display panel and circuit board when the circuit of installation and maintenance connection, convenient operation, practicality.
The circuit board 2 is provided with a communication connection end 25, in this embodiment, the communication connection end 25 is, as shown in fig. 2, a CS1 (chip select port, active high), an RES (reset), a CD, an SCK (clock control line interface, which is used for sending and receiving data together with the SDA interface), an SDA (data transmission interface), a VDD (power supply end), a VSS (ground end), a V0, an XV0, and a VG port from left to right, and is used for connecting an external host computer, so that the external host computer can drive the liquid crystal display on the circuit board and the device or equipment connected to the connection end 232 through these interfaces to perform corresponding functions.
A protective frame 12 is arranged on the circuit board 2 around the liquid crystal display panel 1, and the protective frame 12 is used for protecting the liquid crystal display screen from direct contact, extrusion and collision of adjacent structures, so that the liquid crystal display screen is prevented from being damaged.
In the embodiment, the liquid crystal display panel is directly and fixedly connected to the circuit board, so that the liquid crystal display panel and the circuit board can be installed together after being welded together, structural components used when the liquid crystal display panel and the circuit board are respectively and independently installed and the occupied installation space are reduced, and the occupied installation space volume is effectively saved; the liquid crystal display screen and the circuit board can be limited and fixed on corresponding equipment needing to be provided with the liquid crystal display screen for the taximeter through the limiting hole and the fixing hole which are arranged on the circuit board; the circuit connector arranged on the circuit board and the protective cover hinged on the circuit connector enable the protective cover to compress the connecting circuit and enable the circuit connecting the circuit board and the external circuit to be easily replaced; the liquid crystal display screen is protected by the protective frame arranged around the liquid crystal display panel, so that the liquid crystal display screen is prevented from being directly contacted and extruded by an adjacent structure, and the liquid crystal display screen is prevented from being damaged. The circuit board that will have liquid crystal display through the convenient fixing device who sets up is fixed, and the fixed joint end that it was equipped with is convenient for will install on the installation casing of taking liquid crystal display's of joint inslot circuit board and meter simultaneously, easy to assemble and dismantlement have liquid crystal display's circuit board.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Liquid crystal display mounting structure for taximeter, including liquid crystal display panel (1) and with circuit board (2) that liquid crystal display panel (1) is connected, its characterized in that: the back surface of the liquid crystal display panel (1) is directly fixed on the circuit board (2) and is integrally formed with the circuit board (2); the liquid crystal display panel (1) is connected with the circuit board (2) through a connecting line (11); the circuit board (2) is fixed through a convenient fixing device (3), and the convenient fixing device (3) comprises a fixing body (31), a plurality of clamping sheets (32) arranged on the fixing body (31) and a plurality of fixing clamping ends (33) arranged on the fixing body (31); the clamping sheets (32) and the fixing body (31) are enclosed to form clamping grooves (34), the depth of each clamping groove (34) is one third to one half of the height of the circuit board (2) and the clamping grooves are arranged at intervals, and the first side surfaces (321) of the clamping grooves (34) are obliquely arranged towards the fixing body (31); the fixed clamping ends (33) are arranged on the fixed body (31) at intervals.
2. A liquid crystal display mounting structure for a taximeter according to claim 1, wherein: the circuit board (2) is provided with at least two limiting holes (20).
3. The liquid crystal display mounting structure for a meter according to claim 2, wherein: the circuit board (2) is provided with at least two fixing holes (21).
4. A liquid crystal display mounting structure for a taximeter according to claim 3, wherein: the circuit board (2) is provided with a plurality of control keys (22).
5. The liquid crystal display mounting structure for a meter according to claim 4, wherein: the circuit board (2) is provided with a circuit connector (23), and the circuit connector (23) comprises a connecting body (230), a plurality of connecting ends (232) arranged on the connecting body (230) and a protective cover (231) hinged on the connecting body (230).
6. The liquid crystal display mounting structure for a meter according to claim 5, wherein: the circuit board (2) is provided with a flat cable via hole (24), and the connecting line (11) penetrates through the flat cable via hole (24) to connect the liquid crystal display panel (1) and the circuit board (2).
7. The liquid crystal display mounting structure for a meter according to claim 5, wherein: and a communication connecting end (25) is arranged on the circuit board (2).
8. A liquid crystal display mounting structure for a taximeter according to claim 1, wherein: and a protective frame (12) is arranged on the circuit board (2) and surrounds the liquid crystal display panel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921817329.1U CN211207008U (en) | 2019-10-25 | 2019-10-25 | Liquid crystal display screen mounting structure for taximeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921817329.1U CN211207008U (en) | 2019-10-25 | 2019-10-25 | Liquid crystal display screen mounting structure for taximeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211207008U true CN211207008U (en) | 2020-08-07 |
Family
ID=71855028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921817329.1U Active CN211207008U (en) | 2019-10-25 | 2019-10-25 | Liquid crystal display screen mounting structure for taximeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211207008U (en) |
-
2019
- 2019-10-25 CN CN201921817329.1U patent/CN211207008U/en active Active
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