CN109003547B - Display screen for toy - Google Patents
Display screen for toy Download PDFInfo
- Publication number
- CN109003547B CN109003547B CN201811011737.8A CN201811011737A CN109003547B CN 109003547 B CN109003547 B CN 109003547B CN 201811011737 A CN201811011737 A CN 201811011737A CN 109003547 B CN109003547 B CN 109003547B
- Authority
- CN
- China
- Prior art keywords
- circuit board
- cylinder body
- air inlet
- display
- display screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 description 4
- 108090000565 Capsid Proteins Proteins 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The invention relates to the field of display screens, and particularly discloses a display screen for a toy, which comprises a display unit plate; further comprising: the circuit board is fixedly connected with the display unit board, protruding parts are arranged at two ends of the circuit board, and accommodating grooves are formed in the protruding parts, and face one sides of the display unit boards; the display window is arranged on the outer shell, grooves for containing the protruding parts are respectively arranged at two ends of the display window, convex teeth are fixedly arranged on one side, opposite to the containing groove, of each groove, and the containing groove can contain the convex teeth; the first air cylinder comprises a cylinder body and a piston rod; the cylinder body is fixedly arranged on the inner wall of the shell, a first air inlet is formed in the cylinder body, and the piston rod is abutted against one side, away from the display unit board, of the circuit board; the first air inlet valve is communicated with the first air inlet hole through a connecting pipe. By adopting the technical scheme of the invention, the display screen can be stably connected and is easy to detach.
Description
Technical Field
The invention relates to the field of display screens, in particular to a display screen for a toy.
Background
An LED display (LED display) is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, image, video, and video signals. With the maturity of LED display technology, LED display screens become the mainstream technology of imaging display.
More and more toy manufacturers are applying the LED display screen to the traditional toy, so that the toy has the functions of early education, video and audio playing and the like. Traditional LED screen mounting means is through the screw fixation, but uses the screw fixation, causes child's mistake to eat after the screw falls easily, causes the safety problem. And adopt the mode of gluing to bond and can guarantee firm the connection, but dismantle and maintain the back and be difficult to recover, cost of maintenance is high.
To solve the above problems, chinese patent publication No. CN103559844B discloses a display screen mounting structure, which includes: the display device comprises a front shell, a display unit board, function key buttons, a rear shell, a circuit board structure, a strip-shaped board, a rectangular groove and a fixed end; a display unit board is arranged in the middle of the front shell, a plurality of function key buttons are arranged below the front shell, a rear shell is arranged on the back surface of the front shell, and a circuit board structure is arranged between the rear shell and the front shell; the procapsid both sides respectively are equipped with two rectangle recesses behind one's back, the stiff end that has on the display element board corresponds the joint with rectangle recess and fixes, be equipped with vertically and horizontally staggered and back casing vertically strip shaped plate on the casing of back.
The procapsid passes through rubber joint bar groove with the bellied joint fixed connection of aluminum alloy joint bar with back casing, its simple structure, can be easy dismantlement. However, children occasionally beat toys in the playing process, and the requirement on the stability of the connection of the display screen is high; the display screen of above-mentioned scheme can keep firm connection under the condition of normal use, but the joint department atress is great in the collision, drops easily.
For this reason, a display screen that is firmly attached and easily detached is required.
Disclosure of Invention
The invention aims to provide a display screen for a toy, which is firmly connected and is easy to detach.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a display screen for a toy, comprising a display cell plate; further comprising:
the circuit board is fixedly connected with the display unit board, protruding parts are arranged at two ends of the circuit board, and accommodating grooves are formed in the protruding parts, and face one sides of the display unit boards;
the display window is arranged on the outer shell, grooves for containing the protruding parts are respectively arranged at two ends of the display window, convex teeth are fixedly arranged on one side, opposite to the containing groove, of each groove, and the containing groove can contain the convex teeth;
the first air cylinder comprises a cylinder body and a piston rod; the cylinder body is fixedly arranged on the inner wall of the shell, a first air inlet is formed in the cylinder body, and the piston rod is abutted against one side, away from the display unit board, of the circuit board;
the first air inlet valve is communicated with the first air inlet hole through a connecting pipe.
The basic scheme principle and the beneficial effects are as follows:
1. the groove can accommodate the protruding part, so that the protruding part can be inserted into the groove, and the groove can limit the display unit board and the circuit board in the direction perpendicular to the display unit board to prevent the display unit board and the circuit board from moving towards the outside of the shell;
2. the accommodating groove can accommodate the convex teeth, and the convex teeth and the accommodating groove can limit the display unit board and the circuit board in a direction parallel to the display unit board to prevent the display unit board and the circuit board from sliding in the direction;
3. the piston rod is abutted against one side of the circuit board, which is far away from the display unit board, and when the cylinder body is filled with gas, the piston rod is abutted against the circuit board in the direction vertical to the display unit board, so that the display unit board and the circuit board are prevented from moving towards the shell; namely, the parallel direction and the vertical direction of the display unit plate are fixed, so that the display unit plate is stably connected with the shell;
4. the first air inlet valve is opened, after the gas in the first air cylinder is exhausted, the piston rod does not abut against the circuit board any more, the display unit board and the circuit board can be taken out conveniently, and the disassembly is convenient;
5. the tightness degree of fixing the display unit plate, the circuit board and the shell can be indirectly controlled by controlling the amount of gas pumped into the cylinder body, and the tightness degree is convenient to adjust.
6. The piston rod is abutted against the circuit board and plays a role of a shock absorber, when the toy falls from a high place or meets a large impact force, the piston rod can absorb partial impact energy by compressing gas in the first cylinder, and the impact on the display unit board and the circuit board is reduced.
Further, still include:
the heat conducting fin is positioned between the piston rod and the circuit board and fixedly connected with the piston rod;
the air storage chamber is in contact with the heat conducting fins and is provided with an air outlet;
the first cylinder further comprises a first piston and a second piston, the first piston is located at one end, close to the circuit board, of the cylinder body, the second piston is located at one end, far away from the circuit board, of the cylinder body, the first piston is fixedly connected with the piston rod, and a second air inlet hole is formed in the cylinder body; the first air inlet hole is positioned in the middle of the cylinder body, the second air inlet hole is positioned at one end of the cylinder body far away from the circuit board, and the second air inlet hole is connected with the air outlet hole through an air outlet pipe.
When the display screen works, the heat of the circuit board is led out through the heat-conducting fins, so that the cooling effect is realized;
the heat conducting fins transmit heat to the air storage chamber, air in the air storage chamber expands when heated, the air enters the cylinder body through the second air inlet holes, the pressure in the cylinder body is increased, the piston rod further abuts against the heat conducting fins, and the heat conducting fins abut against the circuit board; when the display screen works, the piston rod supports the circuit board more tightly, and the connection strength is further improved. Display screen during operation, this toy of installation display screen is being played by children, and the possibility that this toy was beaten increases, increases joint strength this moment, can prevent that the display screen from droing.
If the piston rod is always in a state of indirectly abutting against the circuit board with larger force in order to realize more stable connection, the joint of the protruding part on the circuit board and the groove on the shell bears larger pressure, and after long-term use, the joint of the protruding part on the circuit board and the groove on the shell is easy to generate fatigue, possibly causing brittle failure, and reducing the service life of the fastening position of the toy; compared with the prior art, the piston rod can only use large force to tightly support the circuit board when the display screen works, and the service life of fastening positions such as the toy piston rod, the groove, the protruding part, the convex tooth and the accommodating groove can be prolonged.
Further, one end of the heat conducting fin is circumferentially wrapped on the air storage chamber.
The contact area between the heat conducting fins and the air storage chamber is increased, the heat conducting effect is good, and the gas in the air storage chamber is heated quickly.
Furthermore, the grooves at the two ends of the display window are internally provided with springs, one ends of the springs are fixedly connected with the heat conducting fins, and the other ends of the springs are far away from the grooves and are fixedly connected with one sides of the convex teeth.
The circuit board is tightly supported by the elastic force of the spring and the supporting force of the piston rod, so that the stability effect is good.
Further, the cross-sectional shapes of the convex teeth and the accommodating grooves are both cross-shaped.
The shell has good limiting effect in the direction parallel to the display unit plate.
Furthermore, the surfaces of the protruding part and the groove are all provided with lines.
The friction between the protruding part and the groove is increased, and stable connection is realized.
Drawings
FIG. 1 is a side cross-sectional view of a display screen for a toy;
FIG. 2 is a half-sectional view of a cylinder for a display screen of the toy;
figure 3 is a top view of a display screen for a toy.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include:
the display unit comprises a display unit board 1, a circuit board 2, a protruding portion 3, a groove 4, an accommodating groove 5, a convex tooth 6, a first air cylinder 7, a second air cylinder 8, a piston rod 9, a first air inlet hole 10, a first air inlet valve 11, a first piston 12, a second piston 13, a second air inlet hole 14, a heat conducting fin 15, an air storage chamber 16, an air outlet hole 17, a spring 18 and an air outlet pipe 19.
Example one
A display screen for a toy includes a display screen, a casing, a cylinder block, and a heat-conducting portion;
as shown in fig. 1, the display screen includes a display unit board 1 and a circuit board 2; the circuit board 2 is adhered to the display unit board 1, the two ends of the circuit board 2 are provided with protruding parts 3, and the left side of each protruding part 3 is provided with an accommodating groove 5;
a display window is arranged on the outer shell, grooves 4 for accommodating the protruding parts 3 are respectively arranged at the upper end and the lower end of the display window, convex teeth 6 are bonded on the inner wall of the left side of each groove 4, and as shown in figure 3, the cross sections of the convex teeth 6 and the accommodating grooves 5 are both cross-shaped; the accommodating groove 5 is used for accommodating the convex teeth 6; the surfaces of the protruding part 3 and the groove 4 are both provided with lines.
The cylinder group includes: a first cylinder 7 and a first intake valve 11;
as shown in fig. 2, the first cylinder 7 includes a cylinder body, a piston rod 9, a first piston 12, and a second piston 13; the cylinder body is adhered to the inner wall of the shell; the first piston 12 is positioned at the left end of the cylinder body, the second piston 13 is positioned at the right end of the cylinder body, and the first piston 12 is welded with the piston rod 9; a first air inlet hole 10 and a second air inlet hole 14 are formed in the cylinder body, the first air inlet hole 10 is located in the middle of the cylinder body, the second air inlet hole 14 is located at the right end of the cylinder body, and the first air inlet hole 10 is communicated with the first air inlet hole 11 through a connecting pipe.
The heat conducting part comprises a heat conducting sheet 15 and an air storage chamber 16, the copper heat conducting sheet 15 is adopted in the embodiment, the heat conducting sheet 15 is positioned between the piston rod 9 and the circuit board 2, and the heat conducting sheet 15 is welded with the piston rod 9; one end of the heat-conducting fin 15 is circumferentially wrapped with an air storage chamber 16, and the air storage chamber 16 is provided with an air outlet 17; the second inlet holes 14 are communicated with the outlet holes 17 through an outlet pipe 19.
In this embodiment, the air storage chamber 16 stores air, and in practical application, a reagent with a boiling point lower than 30 ℃ may be used instead.
Wherein, all be equipped with spring 18 in the recess 4 at display window both ends, spring 18 left end bonds with conducting strip 15, and the right-hand member bonds with recess 4 right side inner wall.
During installation, the protruding parts 3 at the two ends of the circuit board 2 are inserted into the grooves 4, and meanwhile, the convex teeth 6 on the inner walls of the grooves 4 are embedded into the accommodating grooves 5; then, the first air inlet valve 11 inflates the first air cylinder 7, so that the piston rod 9 is tightly abutted against the heat conducting strip 15; thereby the heat-conducting fin 15 is pressed against the circuit board 2; the display screen is firmly fixed.
When the display screen works, the heat of the circuit board 2 is transferred to the air storage chamber 16 through the heat conducting fins 15, the air in the air storage chamber 16 is heated and expanded, the air enters the cylinder body of the first air cylinder 7 through the second air inlet holes 14, the pressure in the cylinder body is increased, and the piston rod 9 further abuts against the heat conducting fins 15; when the display screen works, the piston rod 9 supports the circuit board 2 to be tighter, and stable connection is further realized.
When the display unit is detached, the first air inlet valve 11 is opened, the gas in the first cylinder 7 is discharged, the piston rod 9 does not abut against the circuit board 2 any more, and the display unit board 1 and the circuit board 2 can be taken out conveniently.
Example two
The display screen for the toy is different from the first embodiment in that: the cylinder group further comprises a second cylinder 8, and the second cylinder 8 is the same as the first cylinder 7 in structure;
the first cylinder 7 is positioned at the upper part of the display window, and the second cylinder 8 is positioned at the lower part of the display window; adopt two cylinders to support the display screen, support more firmly.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. A display screen for a toy, comprising a display cell plate; it is characterized by also comprising:
the circuit board is fixedly connected with the display unit board, protruding parts are arranged at two ends of the circuit board, and accommodating grooves are formed in the protruding parts, and face one sides of the display unit boards;
the display window is arranged on the outer shell, grooves for containing the protruding parts are respectively arranged at two ends of the display window, convex teeth are fixedly arranged on one side, opposite to the containing groove, of each groove, and the containing groove can contain the convex teeth;
the first air cylinder comprises a cylinder body and a piston rod; the cylinder body is fixedly arranged on the inner wall of the shell, a first air inlet is formed in the cylinder body, and the piston rod is abutted against one side, away from the display unit board, of the circuit board;
the first air inlet valve is communicated with the first air inlet hole through a connecting pipe;
further comprising:
the heat conducting fin is positioned between the piston rod and the circuit board and fixedly connected with the piston rod;
the air storage chamber is in contact with the heat conducting fins and is provided with an air outlet;
the first cylinder further comprises a first piston and a second piston, the first piston is located at one end, close to the circuit board, of the cylinder body, the second piston is located at one end, far away from the circuit board, of the cylinder body, the first piston is fixedly connected with the piston rod, and a second air inlet hole is formed in the cylinder body; the first air inlet hole is positioned in the middle of the cylinder body, the second air inlet hole is positioned at one end of the cylinder body far away from the circuit board, and the second air inlet hole is connected with the air outlet hole through an air outlet pipe.
2. A display screen for a toy according to claim 1, wherein: one end of the heat conducting fin is circumferentially wrapped on the air storage chamber.
3. A display screen for a toy according to claim 1, wherein: the grooves at the two ends of the display window are internally provided with springs, one ends of the springs are fixedly connected with the heat conducting fins, and the other ends of the springs are far away from the grooves and are fixedly connected with one sides of the convex teeth.
4. A display screen for a toy according to claim 1, wherein: the cross-sectional shapes of the convex teeth and the accommodating grooves are both cross-shaped.
5. A display screen for a toy according to claim 1, wherein: the surface of the protruding part and the surface of the groove are both provided with lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011737.8A CN109003547B (en) | 2018-08-31 | 2018-08-31 | Display screen for toy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011737.8A CN109003547B (en) | 2018-08-31 | 2018-08-31 | Display screen for toy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109003547A CN109003547A (en) | 2018-12-14 |
| CN109003547B true CN109003547B (en) | 2020-06-02 |
Family
ID=64590741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811011737.8A Expired - Fee Related CN109003547B (en) | 2018-08-31 | 2018-08-31 | Display screen for toy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109003547B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004347637A (en) * | 2003-05-20 | 2004-12-09 | Izumi Toda | Virtual image display apparatus |
| KR20100132379A (en) * | 2009-06-09 | 2010-12-17 | 백충열 | Play gun |
| CN105415852A (en) * | 2015-12-07 | 2016-03-23 | 重庆中显智能科技有限公司 | Cylinder driving type mobile phone display screen press flattening device |
| CN205594979U (en) * | 2015-11-10 | 2016-09-21 | 成都铁皮人科技有限公司 | Flexible LED lamp battle array display screen |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7484324B2 (en) * | 2005-08-08 | 2009-02-03 | Gye-Soo Lee | Rotary sign board |
| CN203125371U (en) * | 2013-03-11 | 2013-08-14 | 上海吉基电子有限公司 | Pressing fixing device |
| CN103559844B (en) * | 2013-10-25 | 2016-01-20 | 大连恭德科技有限公司 | A kind of mounting structure for display screen |
| CN203779588U (en) * | 2014-05-04 | 2014-08-20 | 奥士康精密电路（惠州）有限公司 | Drilling device for subplate |
| CN104723148B (en) * | 2015-01-19 | 2017-01-25 | 清华大学 | Pressing device |
| CN106235616A (en) * | 2016-04-20 | 2016-12-21 | 浙江海洋学院 | It is provided with the desk of self-adapting type removable cover |
| CN107583283B (en) * | 2017-09-27 | 2020-03-24 | 丁浩然 | Device capable of driving tortoise toy to crawl |
| CN207282117U (en) * | 2017-10-02 | 2018-04-27 | 许昌学院 | A kind of Political Education of College Students promotional display device |
-
2018
- 2018-08-31 CN CN201811011737.8A patent/CN109003547B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004347637A (en) * | 2003-05-20 | 2004-12-09 | Izumi Toda | Virtual image display apparatus |
| KR20100132379A (en) * | 2009-06-09 | 2010-12-17 | 백충열 | Play gun |
| CN205594979U (en) * | 2015-11-10 | 2016-09-21 | 成都铁皮人科技有限公司 | Flexible LED lamp battle array display screen |
| CN105415852A (en) * | 2015-12-07 | 2016-03-23 | 重庆中显智能科技有限公司 | Cylinder driving type mobile phone display screen press flattening device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109003547A (en) | 2018-12-14 |
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| SE01 | Entry into force of request for substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |