CN211210045U - Small and exquisite thing networking development board - Google Patents
Small and exquisite thing networking development board Download PDFInfo
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- CN211210045U CN211210045U CN202020223960.5U CN202020223960U CN211210045U CN 211210045 U CN211210045 U CN 211210045U CN 202020223960 U CN202020223960 U CN 202020223960U CN 211210045 U CN211210045 U CN 211210045U
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Abstract
The utility model discloses a small and exquisite thing networking development board, including circuit board and display screen, the last fixed surface of circuit board is connected with the USB interface, the last fixed surface of circuit board is connected with fixing device, fixing device includes the casing, the upper surface of casing and the lower surface swing joint of display screen, the spacing rotation of inner wall of casing is connected with the reference column, the fixed surface of reference column is connected with the worm wheel, double helix slide has been seted up to the upper surface of worm wheel, double helix slide's inner wall sliding connection has traveller one, the side fixedly connected with guide arm of traveller one, the last fixed surface who keeps away from traveller one end on the guide arm is connected with traveller two. The utility model discloses, use through the cooperation between the above-mentioned structure, solved in the in-service use, because the dismouting of display screen is convenient inadequately on the installation piece for the installation and debugging efficiency of display screen is lower, the problem of inconvenience is brought for the use.
Description
Technical Field
The utility model relates to a thing networking development board equipment technical field specifically is a small and exquisite thing networking development board.
Background
At present, the technology of the internet of things is developing vigorously, and because of a special application scene, the module of the internet of things needs to be embedded into other equipment, so that the size of the module of the internet of things has extremely high requirements, and the market urgently needs an internet of things development board which is small in size, comprehensive in function and convenient to debug/apply.
Compared with a L CD display screen, the O L ED display screen has many advantages, but because the O L ED display screen is very light and thin and is very easy to damage, so that a large amount of PCB space can be wasted when the O L ED screen is attached to a PCB circuit board in a manufacturing plant networking development board, and therefore an Internet of things development board is provided for people, for example, a small-volume Internet of things development board convenient to debug disclosed in Chinese patent CN209488923U, which comprises a display screen for displaying, a fixed support, a circuit board and a USB interface, wherein a first groove is formed in the upper surface of the fixed support, a second groove is formed in the lower surface of the fixed support, the display screen is placed in the first groove, two sides of the first groove and the second groove are installation blocks of the fixed support, at least one group of diagonal angles of the installation blocks are provided with installation holes, the USB interface is installed on one side of the circuit board, countersunk head screw holes corresponding to the installation holes are formed in the circuit board, countersunk screws are installed in the countersunk head screw holes, and the fixed support is fixedly installed on the circuit board through the thread matching of the countersunk screws and the installation holes, so that the utilization rate of the electrical interference of the circuit board on the fixed support can be avoided, and the circuit board can not cause the problem of the back surface of;
however, in the actual use process, the display screen is not convenient to disassemble and assemble on the installation block, so that the installation and debugging efficiency of the display screen is low, and inconvenience is brought to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small and exquisite thing networking development board improves traditional device, has solved the problem among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a small and exquisite thing networking development board, includes circuit board and display screen, the last fixed surface of circuit board is connected with the USB interface, the last fixed surface of circuit board is connected with fixing device.
The fixing device comprises a shell, the upper surface of the shell is movably connected with the lower surface of the display screen, the inner wall of the shell is in limited rotation connection with a positioning column, the surface of the positioning column is fixedly connected with a worm wheel, the upper surface of the worm wheel is provided with a double-helix slideway, the inner wall of the double-helix slideway is connected with a sliding column I in a sliding way, a guide rod is fixedly connected to the side surface of the first sliding column, a second sliding column is fixedly connected to the upper surface of one end, far away from the first sliding column, of the guide rod, the upper surface of the shell is provided with a through groove for the sliding of the sliding column II left and right, the top of the sliding column II passes through the through groove and is fixedly connected with a pressing block, the lower surface of the pressing block is connected with the upper surface of the shell in a sliding way, the front side of the worm wheel is engaged with a worm, the right-hand member fixedly connected with pivot of worm, the surface of pivot runs through the casing and the spacing rotation on the casing.
Preferably, the edges and corners of the shell are all subjected to circular arc transition treatment.
Preferably, the bottom of the first sliding column is an arc-shaped end face, and the first sliding column is connected with the inner wall of the double-spiral slideway in a sliding mode through the arc-shaped end face on the first sliding column.
Preferably, the opposite sides of the two pressing blocks are fixedly connected with rubber pads, and the side faces of the rubber pads are movably connected with the side face of the display screen.
Preferably, the surface of the rotating shaft close to the right end is fixedly connected with two limiting rings, and the opposite sides of the two limiting rings are rotatably connected with the inner wall of the shell and the right side of the shell.
Preferably, the right end of the rotating shaft is fixedly connected with a knob, and anti-skid grains are arranged on the surface of the knob.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the display screen fixing device can realize quick installation and use of the display screen through the arrangement of the fixing device, is convenient to install and debug the display screen, can adapt to the display screens with various sizes, and has wider adaptation range;
the utility model drives the rotation of the rotating shaft manually, so that the rotating shaft synchronously drives the worm to perform limit rotation in the shell, and the worm wheel meshed with the worm synchronously rotates along with the worm; after the worm wheel rotates, the worm wheel drives the sliding column II to synchronously rotate, but the sliding column II can only perform left-right limited sliding in the through groove, after the worm wheel rotates, the double-spiral slideway and the sliding column I can generate relative sliding, and under the guidance of the inner wall of the double-spiral slideway, the sliding column I can drive the guide rod, the sliding column II and the through groove to move left and right in the shell; the two pressing blocks can move towards or away from each other through transmission by changing the rotation direction of the worm wheel, when the two pressing blocks move towards each other, the display screen on the shell can be clamped, and when the two pressing blocks move away from each other, the clamping state of the display screen can be released;
thirdly, the utility model discloses a cooperation between the above-mentioned structure is used, has solved in the in-service use process, because the dismouting of display screen is convenient inadequately on the installation piece for the installation and debugging efficiency of display screen is lower, the problem of inconvenience is brought for the use.
Drawings
Fig. 1 is a front view of the structure of the present invention;
fig. 2 is a top cross-sectional view of the housing of the present invention;
fig. 3 is a cross-sectional view of the housing of fig. 2 along direction AA according to the present invention.
In the figure: the device comprises a circuit board 1, a USB interface 2, a display screen 3, a fixing device 4, a shell 5, a positioning column 6, a worm wheel 7, a double-spiral slideway 8, a sliding column I9, a guide rod 10, a sliding column II 11, a through groove 12, a pressing block 13, a worm 14, a rotating shaft 15, a rubber pad 16, a limiting ring 17 and a knob 18.
Detailed Description
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.
Please refer to fig. 1-3, the utility model provides a small and exquisite thing networking development board, including circuit board 1 and display screen 3, adopt highly integrated circuit on the circuit board 1, for the development board provides MCU calculation function and WIFI, B L E, L oRa function, display screen 3 is the O L ED display screen of small volume, be used as data display and output, the last fixed surface of circuit board 1 is connected with USB interface 2, the last fixed surface of circuit board 1 is connected with fixing device 4, setting through fixing device 4, can realize the quick installation of display screen 3 and use, the convenience is installed and is debugged display screen 3, and fixing device 4 can the multiple size of adaptation display screen 3, the adaptation scope is wider.
The fixing device 4 comprises a shell 5, a groove is formed in the lower surface of the shell 5, the contact area between the fixing device and the circuit board 3 can be reduced, so that the lower surface of the shell 5 and a miniature component on the circuit board cannot generate space conflict and interference, the space utilization rate is improved, corners of the shell 5 are subjected to circular arc transition treatment, and the sharp corners of the shell 5 can be prevented from scratching the skin of a user during use through the circular arc transition treatment of the corners of the shell 5, so that the use is safer; the upper surface of the shell 5 is movably connected with the lower surface of the display screen 3, the inner wall of the shell 5 is connected with a positioning column 6 in a limiting and rotating mode, the surface of the positioning column 6 is fixedly connected with a worm wheel 7, the upper surface of the worm wheel 7 is provided with a double-spiral slideway 8, the inner wall of the double-spiral slideway 8 is connected with a sliding column I9 in a sliding mode, the bottom of the sliding column I9 is an arc-shaped end surface, the sliding column I9 is connected with the inner wall of the double-spiral slideway 8 in a sliding mode through the arc-shaped end surface on the sliding column I9, the sliding column I9 can slide in the double-spiral slideway 8 more smoothly through the arrangement of the arc-shaped end surface on the bottom of the sliding column I9, the side surface of the sliding column I9 is fixedly connected with a guide rod 10, the upper surface of one end, far away from the sliding column I9, on the guide rod 10 is, rubber pads 16 are fixedly connected to the opposite sides of the two pressing blocks 13, the side faces of the rubber pads 16 are movably connected with the side faces of the display screen 3, and the rubber pads 16 on the pressing blocks 13 play a role in buffering and protecting when the display screen 3 is clamped, so that the pressing blocks 13 are prevented from being damaged in the process of directly contacting with the surface of the display screen 3; the lower surface of the pressing block 13 is connected with the upper surface of the shell 5 in a sliding mode, the front side of the worm wheel 7 is meshed with a worm 14, the right end of the worm 14 is fixedly connected with a rotating shaft 15, the rotating shaft 15 is driven to rotate manually, the rotating shaft 15 synchronously drives the worm 14 to perform limiting rotation in the shell 5, and the worm wheel 7 meshed with the worm 14 rotates synchronously; after the worm wheel 7 rotates, the worm wheel has the trend of driving the sliding column II 11 to synchronously rotate, but the sliding column II 11 can only perform left-right limited sliding in the through groove 12, after the worm wheel 7 rotates, the double-spiral slideway 8 and the sliding column I9 can generate relative sliding, and under the guidance of the inner wall of the double-spiral slideway 8, the sliding column I9 can drive the guide rod 10, the sliding column II 11 and the through groove 12 to move left and right in the shell 5; the two pressing blocks 13 can move in opposite directions or away from each other through transmission by changing the rotation direction of the worm wheel 7, when the two pressing blocks 13 move in opposite directions, the display screen 3 on the shell 5 can be clamped, and when the two pressing blocks 13 move away from each other, the clamping state of the display screen 3 can be released; and have reverse locking's effect between worm 14 and the worm wheel 7, worm wheel 7 rotates promptly and can't drive worm 14 and rotate, can keep stability after guaranteeing worm wheel 7 rotation adjustment from this, briquetting 13 also can be the continuation firmly centre gripping display screen 3.
The surface of the rotating shaft 15 close to the right end is fixedly connected with two limiting rings 17, the opposite sides of the two limiting rings 17 are rotatably connected with the inner wall of the shell 5 and the right side of the shell 5, and the rotating shaft 15 is more stable in limiting rotation on the shell 5 through the arrangement of the two limiting rings 17 on the rotating shaft 15, so that the phenomenon of left and right movement cannot occur in the rotating process; the surface of the rotating shaft 15 penetrates through the shell 5 and is limited and rotated on the shell 5, the right end of the rotating shaft 15 is fixedly connected with a knob 18, and anti-skid grains are arranged on the surface of the knob 18.
The working principle is as follows: when the small Internet of things development board is used, the display screen 3 can be rapidly installed and used through the arrangement of the fixing device 4, the display screen 3 is convenient to install and debug, the fixing device 4 can be adapted to the display screens 3 of various sizes, and the adaptation range is wider; the rotation of the rotating shaft 15 is driven manually, so that the rotating shaft 15 synchronously drives the worm 14 to perform limited rotation in the shell 5, and the worm wheel 7 meshed with the worm 14 synchronously rotates along with the limited rotation; after the worm wheel 7 rotates, the worm wheel has the trend of driving the sliding column II 11 to synchronously rotate, but the sliding column II 11 can only perform left-right limited sliding in the through groove 12, after the worm wheel 7 rotates, the double-spiral slideway 8 and the sliding column I9 can generate relative sliding, and under the guidance of the inner wall of the double-spiral slideway 8, the sliding column I9 can drive the guide rod 10, the sliding column II 11 and the through groove 12 to move left and right in the shell 5; the two pressing blocks 13 can move in opposite directions or away from each other through transmission by changing the rotation direction of the worm wheel 7, when the two pressing blocks 13 move in opposite directions, the display screen 3 on the shell 5 can be clamped, and when the two pressing blocks 13 move away from each other, the clamping state of the display screen 3 can be released; through the cooperation use between the above-mentioned structure, solved in the in-service use, because the dismouting of display screen is convenient inadequately on the installation piece for the installation and debugging efficiency of display screen is lower, gives the problem that the use is inconvenient.
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 (6)
1. The utility model provides a small and exquisite thing networking development board, includes circuit board (1) and display screen (3), the last fixed surface of circuit board (1) is connected with USB interface (2), its characterized in that: the upper surface of the circuit board (1) is fixedly connected with a fixing device (4);
the fixing device (4) comprises a shell (5), the upper surface of the shell (5) is movably connected with the lower surface of the display screen (3), the inner wall of the shell (5) is limited to rotate and is connected with a positioning column (6), the surface of the positioning column (6) is fixedly connected with a worm wheel (7), the upper surface of the worm wheel (7) is provided with a double-spiral slideway (8), the inner wall of the double-spiral slideway (8) is slidably connected with a first sliding column (9), the side surface of the first sliding column (9) is fixedly connected with a guide rod (10), the upper surface of the guide rod (10) far away from one end of the first sliding column (9) is fixedly connected with a second sliding column (11), the upper surface of the shell (5) is provided with a through groove (12) for the second sliding column (11) to slide left and right, the top of the second sliding column (11) penetrates through the through groove (12) and is fixedly connected with a pressing block (13), and the lower surface, the front side of worm wheel (7) is engaged with worm (14), the right-hand member fixedly connected with pivot (15) of worm (14), the surface of pivot (15) runs through casing (5) and spacing rotation on casing (5).
2. A small internet of things development board according to claim 1, characterized in that: the edges and corners of the shell (5) are all subjected to circular arc transition treatment.
3. A small internet of things development board according to claim 1, characterized in that: the bottom of the first sliding column (9) is an arc-shaped end face, and the first sliding column (9) is connected with the inner wall of the double-spiral sliding way (8) in a sliding mode through the arc-shaped end face on the first sliding column.
4. A small internet of things development board according to claim 1, characterized in that: the opposite sides of the two pressing blocks (13) are fixedly connected with rubber pads (16), and the side faces of the rubber pads (16) are movably connected with the side face of the display screen (3).
5. A small internet of things development board according to claim 1, characterized in that: the surface of the rotating shaft (15) close to the right end is fixedly connected with two limiting rings (17), and the opposite sides of the two limiting rings (17) are rotatably connected with the inner wall of the shell (5) and the right side of the shell (5).
6. A small internet of things development board according to claim 1, characterized in that: the right end of the rotating shaft (15) is fixedly connected with a knob (18), and anti-skid grains are arranged on the surface of the knob (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223960.5U CN211210045U (en) | 2020-02-28 | 2020-02-28 | Small and exquisite thing networking development board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223960.5U CN211210045U (en) | 2020-02-28 | 2020-02-28 | Small and exquisite thing networking development board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211210045U true CN211210045U (en) | 2020-08-07 |
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ID=71884594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020223960.5U Active CN211210045U (en) | 2020-02-28 | 2020-02-28 | Small and exquisite thing networking development board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211210045U (en) |
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2020
- 2020-02-28 CN CN202020223960.5U patent/CN211210045U/en active Active
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