Protection device of capacitive touch screen
Technical Field
The invention relates to the technical field of touch screens, in particular to a protection device of a capacitive touch screen.
Background
The capacitive touch screen technology utilizes human current induction to work, namely, a screen is divided into blocks, a group of mutual capacitance modules are arranged in each area and work independently, so that the capacitive touch screen can independently detect the touch condition of each area, after processing, multi-point touch is simply realized, along with the continuous development of the technology, the capacitive touch screen is usually arranged outdoors or in a public environment, and is applied to advertising or display operation and the like, because the display screen of the touch screen is high in cost and easy to damage, and for the long-term effective use of the touch screen, the surface of the touch screen is usually protected.
Through retrieval, a patent with a Chinese patent authorization number of CN109407904A discloses a protection device of a capacitive touch screen, which comprises a protection film and a flexible object; the flexible object ring is arranged on the periphery of the capacitive touch screen and is vertical to the capacitive touch screen to form an annular boss; the protective film parallel capacitive touch screen is arranged on the annular boss; when the distance between the lowest point of the protective film in the direction perpendicular to the capacitive touch screen and the capacitive touch screen is larger than or equal to the preset distance, the capacitive touch screen is in a trigger failure state. In the above patent and prior art, all realize the protection operation through the display screen surface at the touch-sensitive screen attached one deck tempering protection film, but the touch-sensitive screen area is big for the show of in-service use, and the operation of puting up and getting rid of the tempering protection film is extremely inconvenient, therefore is not convenient for change the protection operation of capacitive touch screen among the prior art.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a protective device of a capacitive touch screen.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a protection device of capacitive touch screen, includes touch-sensitive screen main part and protective housing, the protective housing sets to the box structure, and the one end of protective housing has seted up the wearing groove, and the touch-sensitive screen main part is fixed in the inner wall of wearing groove, standing groove and draw-in groove have been seted up respectively to the top and the bottom of wearing groove, and the both sides inner wall of wearing groove has seted up corresponding spacing groove respectively, the inner wall sliding connection of standing groove, draw-in groove and two spacing grooves has a vertical tempering protection film of placing, the fixed orifices has all been seted up to the both sides top and the bottom of tempering protection film one end outer wall, the tip outer wall of protective housing has the gim peg with the position threaded.
Preferably, a support member is fixed to the bottom of the protective shell, and a base is fixed to the bottom of the support member.
Preferably, the top and the bottom outer wall of the touch screen main body are both fixed with connecting plates, the end portions of the connecting plates are provided with connecting grooves, the inner wall of one end, close to the through groove, of the protective shell is fixed with a connecting rod in a position corresponding to the connecting plates, and one end, far away from the through groove, of the outer wall of the connecting rod is connected with a fixing nut in a threaded manner.
Preferably, the top end of the inner wall of the placing groove is connected with a filling block in a sliding mode, a limiting piece is fixed to the top of the filling block, and magnetic blocks are fixed to two sides of the outer wall of the bottom of the limiting piece.
Preferably, both ends of the outer wall of the bottom of the limiting part are fixed with first sealing strips, the outer wall of the top of the protective shell corresponds to the first sealing strips, and the first sealing grooves are matched with the first sealing strips, and the bottom of the first sealing strips is of an arc-shaped structure.
Preferably, one end of the protective shell, which is far away from the through groove, is provided with a cover plate.
Preferably, the top and the bottom of the cover plate close to the outer wall of one end of the protective shell are both fixed with second sealing strips, a second sealing groove is formed in the position, corresponding to the second sealing strips, of the outer wall of one end of the protective shell, and one end of each second sealing strip is of an arc-shaped structure.
Preferably, a plurality of through grooves are formed in the outer wall of one end of the cover plate, a plurality of first radiating fins and second radiating fins are fixed to the inner wall of each through groove, the first radiating fins and the second radiating fins are distributed at intervals, and the end portions of the first radiating fins and the second radiating fins are of wavy structures with fluctuant heights.
Preferably, the one end that the protective housing was kept away from to the apron is fixed with fixed frame, and first fin and second fin all set up in fixed frame, and the one end that the apron was kept away from to fixed frame inner wall is fixed with the heat dissipation fan, fixedly connected with auxiliary member between fixed frame bottom and the base.
The invention has the beneficial effects that:
1. the device sets up the touch-sensitive screen main part in the protective housing of box structure, and imbed the display screen one end of touch-sensitive screen main part in the wearing groove of protective housing, standing groove and draw-in groove have been seted up respectively to the top and the bottom of wearing the groove, put into the bottom draw-in groove with the tempering protection film from the standing groove at top, pass the predetermined fixed orifices of tempering protection film through the gim peg and be fixed in the protective housing with the tempering protection film, and make the tempering protection film hug closely in the surface realization protection operation of display screen, thereby can directly take out the tempering protection film in order to carry out the change of protection film from the top, avoid directly pasting and be difficult to change, improve the convenience that protection device.
2. The device is provided with the apron in the one end that the tempering protection film was kept away from to the protective housing and is used for coveing, and top and bottom between apron and the protective housing all improve sealed effect through second sealing strip and second seal groove, it influences the life of touch-sensitive screen main part to get into dust and moisture in the protective housing, and adsorb at the top of standing groove and be fixed with spacing piece and filling block, utilize the sealed effect of the first sealing strip reinforcing standing groove position of filling block and locating part bottom, the reinforcing is to the protection effect of touch-sensitive screen main part, the life of extension equipment.
3. Furthermore, the device is fixed with a plurality of interval distribution's first fin and second fin at the apron position, and the tip of first fin and second fin is the wavy distribution of height fluctuation to increase the holistic heat dissipation region of heat dissipation mechanism that first fin and second fin constitute, avoid the heat to amass and be difficult to the effluvium, thereby the initiative work improvement of cooperation heat dissipation fan is to the radiating effect in the protective housing, further strengthens the protective effect to the touch-sensitive screen main part.
Drawings
Fig. 1 is a schematic overall structure diagram of a protection device for a capacitive touch screen according to the present invention;
fig. 2 is a schematic side cross-sectional structural diagram of a protection device for a capacitive touch screen according to embodiment 1 of the present invention;
fig. 3 is an enlarged schematic structural diagram of a portion a of a protection device for a capacitive touch screen according to the present invention;
fig. 4 is a schematic side cross-sectional structural diagram of a protection device for a capacitive touch screen according to embodiment 2 of the present invention.
In the figure: the touch screen comprises a touch screen main body 1, a protective shell 2, a through groove 3, a placement groove 4, a toughened protective film 5, a fixing bolt 6, a base 7, a supporting piece 8, a connecting plate 9, a connecting rod 10, a filling block 11, a limiting piece 12, a first sealing strip 13, a cover plate 14, a second sealing strip 15, a first cooling fin 16, a second cooling fin 17, a fixing frame 18, a cooling fan 19 and an auxiliary piece 20.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
the utility model provides a protection device of capacitive touch screen, as shown in fig. 1-3, including touch-sensitive screen main part 1 and protective housing 2, protective housing 2 sets the box structure, and protective housing 2's one end has seted up the wearing groove 3, touch-sensitive screen main part 1 is fixed in the inner wall of wearing groove 3, standing groove 4 and draw-in groove have been seted up respectively to the top and the bottom of wearing groove 3, and corresponding spacing groove has been seted up respectively to the both sides inner wall of wearing groove 3, standing groove 4, the inner wall sliding connection of draw-in groove and two spacing grooves has a vertical tempering protection film 5 of placing, the fixed orifices has all been seted up to the both sides top and the bottom of tempering protection film 5 one end outer wall, the tip outer wall of protective housing 2 has gim peg 6.
A support member 8 is fixed at the bottom of the protective shell 2, and a base 7 is fixed at the bottom of the support member 8, so that the touch screen main body 1 and the protective shell 2 can be placed and displayed;
connecting plates 9 are fixed on the outer walls of the top and the bottom of the touch screen main body 1, connecting grooves are formed in the end portions of the connecting plates 9, connecting rods 10 are fixed on the inner walls of one ends, close to the through grooves 3, of the protective cases 2 and corresponding to the connecting plates 9, fixing nuts are connected to the ends, far away from the through grooves 3, of the outer walls of the connecting rods 10 through threads, one ends of the display screens of the touch screen main body 1 are attached to the steel protection film 5 through the fixing nuts, and the touch screen main body 1 can be prevented from shaking through the superposition of the connecting rods 10;
the top end of the inner wall of the placing groove 4 is connected with a filling block 11 in a sliding mode, a limiting piece 12 is fixed to the top of the filling block 11, the area of the cross section of the limiting piece 12 is larger than that of the cross section of the placing groove 4, magnetic blocks are fixed to two sides of the outer wall of the bottom of the limiting piece 12, the magnetic blocks are magnetically adsorbed to the position, corresponding to the top of the protective shell 2, of the magnetic blocks, so that the top of the placing groove 4 is sealed through the filling block 11, first sealing strips 13 are fixed to two ends of the outer wall of the bottom of the limiting piece 12, first sealing grooves matched with the first sealing strips 13 are formed in the position, corresponding to the outer wall of the top of the protective shell 2, of;
the one end that protective housing 2 kept away from wearing groove 3 is provided with apron 14, and the top and the bottom that apron 14 is close to 2 one end outer walls of protective housing all are fixed with second sealing strip 15, and the second seal groove has been seted up to the position that 2 one end outer walls of protective housing and second sealing strip 15 correspond, and the one end of second sealing strip 15 is the arc structure, increases the leakproofness between apron 14 and the protective housing 2.
When the protection device is used, the toughened protection film 5 is placed into the bottom clamping groove from the placing groove 4 at the top, the toughened protection film 5 is fixed on the protection shell 2 by penetrating the fixing hole preset in the toughened protection film 5 through the fixing bolt 6, then one end of the display screen of the touch screen main body 1 is embedded into the penetrating groove 3, the connecting groove on the connecting plate 9 penetrates through the connecting rod 10 and is compressed and fixed by using the fixing nut, so that the toughened protection film 5 is tightly attached to the surface of the display screen to realize protection operation, the toughened protection film 5 can be directly drawn out from the top to replace the protection film, the direct adhesion and difficulty in replacement are avoided, and the use convenience of the protection device is improved;
after installing touch-sensitive screen main part 1 and tempering protection film 5, cover apron 14 and close filling block 11, utilize the first sealing strip 13 and the first seal groove of looks adaptation and the in close contact with of filling block 11 and standing groove 4, improve the sealed effect at 4 tops of standing groove, utilize second sealing strip 15 and second seal groove to increase the leakproofness between apron 14 and the protective housing 2, thereby avoid getting into dust and moisture in the protective housing 2, improve the protection effect to touch-sensitive screen main part 1.
Example 2:
a protection device for a capacitive touch screen, as shown in fig. 4, this embodiment is an improvement of embodiment 1, in which: a plurality of logical grooves have been seted up to the one end outer wall of apron 14, and the inner wall that leads to the groove is fixed with a plurality of first fin 16 and second fin 17, first fin 16 and the interval distribution of second fin 17, the tip of first fin 16 and second fin 17 is the wavy structure of fluctuation, improve the radiating effect to in the protective housing 2, the one end that the protective housing 2 was kept away from to apron 14 is fixed with fixed frame 18, and first fin 16 and second fin 17 all set up in fixed frame 18, the one end that apron 14 was kept away from to fixed frame 18 inner wall is fixed with heat dissipation fan 19, the reinforcing radiating effect, fixedly connected with auxiliary 20 between fixed frame 18 bottom and the base 7.
This embodiment is when using, and in the course of the work of touch-sensitive screen main part 1, the first fin 16 and the second fin 17 that are the wavy distribution of height and low fluctuation through the tip avoid the heat accumulation to be difficult to the effluvium, and cooperation heat dissipation fan 19 accelerates the air current, and the reinforcing is to the radiating effect in the protective housing 2 to the reinforcing is to the radiating effect of touch-sensitive screen main part 1, further strengthens the protection operation to touch-sensitive screen main part 1, prolongs the life of equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.