Nixie tube display screen with stable structure

Abstract

The utility model relates to the technical field of nixie tube display screens, in particular to a nixie tube display screen with a stable structure, and is characterized in that the nixie tube display screen comprises a shell and a PCB matched with the inner wall of the shell in shape, a display panel is arranged on the front face of the shell, glue sealing grooves are formed in the two side walls of the shell, and the glue sealing grooves penetrate through the side walls of the shell; and bearing strips are fixedly arranged on the two inner side walls of the shell, the lower surfaces of the bearing strips are flush with the groove top of the glue sealing groove, the PCB is inserted into the back face of the shell, the upper surface of the PCB is used for abutting against the lower surfaces of the bearing strips, and lamp beads are connected to the PCB. The digital tube display screen has the beneficial effects that the bonding of the PCB is more stable, so that the overall structure of the digital tube display screen is more stable, and meanwhile, the cost is lower.

Description

Technical Field

[0001] This application relates to the technical field of digital tube displays, and particularly to a digital tube display with a stable structure. Background Art

[0002] A digital tube, also known as a glow tube, is an electronic device that can display numbers and other information. The glass tube includes an anode made of a metal wire mesh and multiple cathodes. The shape of most cathodes of the digital tube is a number. The tube is filled with a low-pressure gas, usually mostly neon plus some mercury and / or argon. When a certain cathode is charged, the digital tube will emit colored light, depending on the gas in the tube, generally orange or green. Currently, a digital tube display generally includes a plastic housing. An LED lamp is encapsulated in the plastic housing. A display screen that cooperates with the LED lamp is installed outside the plastic housing. A protective film is pasted outside the display screen. The pins of the LED lamp are connected to a PCB board. Currently, the PCB board is mostly installed on the plastic housing in two ways. One is to directly bond it to the plastic housing with glue. This method is prone to excessive glue sealing, and the glue overflows and adheres to the surface of the PCB board or the plastic housing, affecting the appearance and wasting glue. Moreover, the actual contact area of the glue with the PCB board and the plastic housing is small, and it is easy to fall off after a long time. The other is to fix the PCB board by setting a clamping and other fixing structure on the plastic housing. However, most digital tube displays are small in size, resulting in a high precision requirement for this kind of fixing structure, greatly increasing the manufacturing cost of the digital tube display. In addition, the volume of the fixing structure is small, the fixing strength is insufficient, and it is easy to break and other situations, resulting in the inability to fix the PCB board. Content of the Utility Model

[0003] The purpose of this application is to provide a digital tube display with a stable structure, in which the bonding of the PCB board is more stable, making the overall structure of the digital tube display more stable, and at the same time, the cost is lower.

[0004] In order to achieve the above purpose, the technical solution adopted by the present utility model is: a digital tube display with a stable structure, including a housing and a PCB board that fits the shape of the inner wall of the housing. A display panel is provided on the front surface of the housing. Sealing glue grooves are opened on both side walls of the housing. The sealing glue grooves penetrate the side walls of the housing. And on both inner side walls of the housing, a receiving strip is fixedly provided. The lower surface of the receiving strip is flush with the top of the sealing glue groove. The PCB board is inserted into the back of the housing. The upper surface of the PCB board is used to abut against the lower surface of the receiving strip. Lamp beads are connected to the PCB board.

[0005] By adopting the above technical solution, during assembly, the PCB board is inserted from the back of the housing until the PCB board abuts against the receiving strip. At this time, the side surface of the PCB board faces the sealant groove, and then glue is injected into the sealant groove. After the glue solidifies, it is connected to the groove wall of the sealant groove and the side wall of the PCB board simultaneously, thereby fixing the PCB board in the housing, making the bonding of the PCB more stable, making the overall structure of the digital tube display stable, the production cost of the housing lower, and the glue is completely placed in the sealant groove, which is beneficial to reducing glue overflow and lower cost.

[0006] Preferably, the width of the sealant groove is smaller than the thickness of the PCB board.

[0007] By adopting the above solution, when the PCB board abuts against the receiving strip, the side surface of the PCB board can abut against the inner wall of the housing, making the position of the PCB board more stable. At the same time, it reduces the glue overflowing onto the lower surface of the PCB board during glue injection, which is beneficial to the full contact between the glue and the PCB board.

[0008] Preferably, a plurality of wire grooves are further provided on the side surface of the housing.

[0009] By adopting the above technical solution, the wires on the PCB board can pass through the wire grooves, thereby reducing the occurrence of the wires being overly bent due to the PCB board fitting with the inner side of the housing.

[0010] Preferably, a plurality of mounting ears are further extended on the outer side of the housing, and mounting grooves are penetrated through the mounting ears.

[0011] By adopting the above solution, the setting of the mounting ears enables the digital tube display to pass bolts through the mounting grooves on the mounting ears, thereby fixedly installing the digital tube display in the electrical appliance, making the installation of the digital tube display more convenient.

[0012] In summary, the beneficial technical effects of the present application are as follows:

[0013] During assembly, the PCB board is inserted from the back of the housing until the PCB board abuts against the receiving strip. At this time, the side surface of the PCB board faces the sealant groove, and then glue is injected into the sealant groove. After the glue solidifies, it is connected to the groove wall of the sealant groove and the side wall of the PCB board simultaneously, thereby fixing the PCB board in the housing, making the bonding of the PCB more stable, making the overall structure of the digital tube display stable, the production cost of the housing lower, and the glue is completely placed in the sealant groove, which is beneficial to reducing glue overflow and lower cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view schematic diagram of the digital tube display in the present application.

[0015] Figure 2It is a schematic cross-sectional view of the digital tube display screen in this embodiment.

[0016] Figure 3 It is Figure 2 an enlarged schematic view of part A in

[0017] Figure 4 It is another schematic side view of the digital tube display screen in this application.

[0018] Explanation of reference numerals:

[0019] 1. Housing; 2. PCB board; 3. Glue sealing groove; 4. Bearing strip; 5. Wiring groove; 6. Mounting ear. Specific implementation manner

[0020] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description of this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present utility model.

[0021] This application discloses a digital tube display screen with a stable structure. As Figure 1 and Figure 2 shown, it includes a housing 1 with a hollow bottom and a PCB board 2 that fits the shape of the inner wall of the housing 1. A display panel is provided on the front surface of the housing 1. Glue sealing grooves 3 are provided on both side walls of the housing 1, and the glue sealing grooves 3 penetrate through the side walls of the housing 1. Bearing strips 4 are fixedly provided on both inner side walls of the housing 1, and the lower surface of the bearing strip 4 is flush with the top of the glue sealing groove 3. The PCB board 2 is inserted into the back of the housing 1, and the upper surface of the PCB board 2 is used to abut against the lower surface of the bearing strip 4. Light-emitting diodes are connected to the PCB board 2. During assembly, the PCB board 2 is inserted from the back of the housing 1 until the PCB board 2 abuts against the bearing strip 4. At this time, the side surface of the PCB board 2 faces the glue sealing groove 3, and then glue is injected into the glue sealing groove 3. After the glue solidifies, it is connected to the groove wall of the glue sealing groove 3 and the side wall of the PCB board 2 at the same time, thereby fixing the PCB board 2 in the housing 1, making the bonding of the PCB more stable, making the overall structure of the digital tube display screen stable, the production cost of the housing 1 is relatively low, and the glue is completely placed in the glue sealing groove 3, which is beneficial to reducing glue overflow and lower cost.

[0022] In this embodiment, as Figure 2 and Figure 3 shown, the width of the glue sealing groove 3 is smaller than the thickness of the PCB board 2. When the PCB board 2 abuts against the bearing strip 4, the side surface of the PCB board 2 can abut against the inner wall of the housing 1, making the position of the PCB board 2 more stable. At the same time, it reduces the overflow of glue to the lower surface of the PCB board 2 during glue injection, which is beneficial to the full contact between the glue and the PCB board 2.

[0023] In addition, as Figure 4As shown, a plurality of wire grooves 5 are further provided on the side surface of the housing 1. The wire grooves 5 are located on the side surface of the housing 1 adjacent to the sealant groove 3. The wires on the PCB board 2 can pass through the wire grooves 5, thereby reducing the situation where the wires are overly bent due to the fit between the PCB board 2 and the inner side of the housing 1. A plurality of mounting ears 6 are further extended on the outer side of the housing 1. Mounting grooves are formed through the mounting ears 6. The provision of the mounting ears 6 enables the digital tube display screen to allow bolts to pass through the mounting grooves on the mounting ears 6, thereby fixedly mounting the digital tube display screen in the electrical appliance, making the installation of the digital tube display screen more convenient.

[0024] The implementation principle of this embodiment is as follows:

[0025] During assembly, the PCB board 2 is inserted from the back of the housing 1 until the PCB board 2 abuts against the receiving strip 4. At this time, the side surface of the PCB board 2 faces the sealant groove 3. Since the width of the sealant groove 3 is smaller than the thickness of the PCB board 2, the side surface of the PCB board 2 covers the sealant groove 3. Then, glue is injected into the sealant groove 3. After the glue solidifies, it is connected to the groove wall of the sealant groove 3 and the side wall of the PCB board 2 at the same time, thereby fixing the PCB board 2 in the housing 1.

[0026] It should be noted that in this article, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] In this article, specific examples are used to elaborate on the principle and implementation mode of the present invention. The description of the above examples is only used to help understand the method and its core idea of the present invention; the above is only the preferred implementation mode of the present invention. It should be noted that due to the limited nature of written expression and the objectively infinite specific structures, for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate manner; these improvements, refinements, changes or combinations, or directly applying the concept and technical solution of the present invention to other occasions without improvement, should all be regarded as the protection scope of the present invention.

Claims

1. A digital tube display screen with a stable structure, characterized in that: The invention comprises a shell (1) and a PCB board (2) whose shape matches the inner wall of the shell (1); a display panel is arranged on the front of the shell (1); sealing grooves (3) are provided on the two side walls of the shell (1); the sealing grooves (3) penetrate the side walls of the shell (1); and receiving strips (4) are fixedly arranged on the two inner side walls of the shell (1); the lower surface of the receiving strip (4) is flush with the groove top of the sealing groove (3); the PCB board (2) is inserted into the back of the shell (1); the upper surface of the PCB board (2) is used to abut against the lower surface of the receiving strip (4); and lamp beads are connected to the PCB board (2).

2. A digital tube display screen with a stable structure according to claim 1, characterized in that: The width of the sealing groove (3) is smaller than the thickness of the PCB board (2).

3. The structurally stable digital tube display screen according to claim 1, characterized in that: A plurality of wiring grooves (5) are also provided on the side surface of the housing (1).

4. The structurally stable digital tube display screen according to claim 1, characterized in that: A plurality of mounting ears (6) are also extended on the outer side of the shell (1), and mounting grooves are provided through the mounting ears (6).

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