CN110856400A - Consolidate handheld device terminal - Google Patents
Consolidate handheld device terminal Download PDFInfo
- Publication number
- CN110856400A CN110856400A CN201911104043.3A CN201911104043A CN110856400A CN 110856400 A CN110856400 A CN 110856400A CN 201911104043 A CN201911104043 A CN 201911104043A CN 110856400 A CN110856400 A CN 110856400A
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- rear side
- shockproof
- shell
- spring
- cover plate
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- 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
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
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- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
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- 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
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
- H05K7/12—Resilient or clamping means for holding component to structure
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a reinforced handheld equipment terminal, which comprises a shell and a rear side cover plate, wherein the rear side cover plate is fixedly locked in a screw hole on the rear side surface of the shell through a bolt, a circuit board is arranged in a cavity of the shell through a shockproof mounting structure, the shockproof mounting structure comprises a shockproof pin shaft, a shockproof sleeve, a spring fixing block and a locking bolt, the lower end of the shockproof pin shaft is connected with the shell through a spherical hinge, the shockproof sleeve is sleeved outside the shockproof pin shaft and provided with an annular groove matched with the circuit board, a mounting hole of the circuit board is sleeved on the shockproof sleeve and clamped in the annular groove, the upper end of the spring is fixedly connected with the spring fixing block, the lower end of the spring is fixedly connected with the upper end of the shockproof pin shaft, the mounting state of the spring is in a stretching state. According to the invention, through designing a brand-new shockproof mounting structure of the circuit board, the elimination of multidirectional shock is realized, and the shockproof effect and stability of the circuit board are ensured.
Description
Technical Field
The invention relates to a handheld device terminal, in particular to a reinforced handheld device terminal, and belongs to the field of portable handheld devices.
Background
The reinforced handheld equipment terminal is a detection equipment technical product which integrates parameter query, state detection and parameter loading, and is highly intelligent and informationized. It is one of the main technical means of public safety precaution of modern cities, and is also an important component forming a national safety guarantee system. Since the environment in which the terminal is used is complicated and severe, the stability and the resistance to the severe environment have high requirements.
The circuit board of the terminal is used as a core device of the terminal, when the terminal is vibrated, the electronic part of the terminal is easy to malfunction due to the desoldering of the device, and therefore the circuit board needs to be ensured to have good anti-seismic performance. At present, the anti-vibration structure of the circuit board mainly adopts a spring sleeved on a bolt for fixing the electric power board to offset the vibration of the circuit board. Although the structure is simple, the vibration of the bolt in the axial direction can be mainly counteracted, the vibration in the radial direction cannot be counteracted, and the terminal can be subjected to the vibration in different directions in the actual use process, so that the damage risk still exists.
The environment in which the terminal is used is complex and harsh, so that the stability and the performance of resisting the harsh environment have high requirements. The requirement on weather adaptation of the reinforced handheld equipment terminal is high, and a lot of dangerous cases occur in rainy and snowy weather, so that the terminal can still normally operate in severe environments in the rainy and snowy weather, and higher requirements are provided for the waterproof performance of the terminal.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a reinforced handheld equipment terminal to counteract the vibration of a circuit board in different directions.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a nationwide reinforced handheld equipment terminal is characterized in that: comprises a shell and a rear side cover plate, wherein the rear side of the shell is provided with a containing cavity for containing devices inside the terminal, a plurality of screw holes which correspond to each other are uniformly distributed on the periphery of the containing cavity, the rear side edge of the shell and the edge of the rear side cover plate are fixed in the screw holes on the rear side of the shell in a locking way through bolts, a circuit board is arranged in the containing cavity of the shell through a shockproof mounting structure, the shockproof mounting structure comprises a shockproof pin shaft and a shockproof sleeve, the lower end of the shockproof pin shaft is connected with the shell through a spherical hinge, the shockproof sleeve is sleeved on the outer side of the shockproof pin shaft and provided with an annular groove matched with the circuit board, a mounting hole of the circuit board is sleeved on the shockproof sleeve and clamped in the annular groove, the upper end of the spring is fixedly connected with the spring fixing block, the lower end of the spring is fixedly connected with the upper end of the shockproof pin shaft, the spring is in a stretching state in a mounting state, and the upper side of the spring fixing block is fixed on the rear side cover plate through the locking bolt.
Furthermore, the ball hinge structure contains spheroid and spheroid recess, and the spheroid is fixed at the round pin axle lower extreme tip that takes precautions against earthquakes, and spheroid recess lower extreme is fixed on shells inner wall, and open the spheroid recess upper end has a ball groove that matches with the spheroid and the ball groove is for being greater than the segmental groove body of hemisphere, and the spheroid setting is in the ball groove and can rotate along arbitrary direction.
Furthermore, the whole shockproof sleeve is cylindrical, an annular groove is formed in the middle of the shockproof sleeve along the circumferential direction, the width of the annular groove is matched with the thickness of the circuit board, a cone structure which is thickened from top to bottom is arranged at the upper end of the shockproof sleeve, a mounting hole is formed in the circuit board, and the circuit board is downwards sleeved on the shockproof sleeve through the cone structure at the upper end of the shockproof sleeve through the mounting hole and is finally clamped in the annular groove.
Further, the spring fixing block comprises a fixing mounting plate and a spring fixing shaft, the spring fixing shaft is perpendicular to the fixing mounting plate and the upper end of the spring fixing shaft is fixed on the lower side of the fixing mounting plate, a convex ring structure protruding out of the side face of the shaft is arranged at the lower end of the spring fixing shaft and the upper end of the shockproof hinge pin, the diameter of the convex ring structure is larger than that of the spring, and the upper end and the lower end of the spring are respectively clamped on the convex ring structures at the lower end of the spring fixing shaft and the upper end.
Furthermore, a through hole matched with the locking bolt is formed in the rear side cover plate, a threaded hole matched with the locking bolt is formed in the upper end of the spring fixing block, the position of the threaded hole is matched with the position of the through hole of the rear side cover plate, and the locking bolt penetrates through the through hole from the upper side of the rear side cover plate and is locked and fixed in the threaded hole of the spring fixing block.
Furthermore, wedge-shaped guide surfaces are arranged on the periphery of the upper side of the spring fixing block, grooves matched with the spring fixing block are formed in the inner side face of the rear side cover plate, the peripheral side walls of the grooves are matched with the wedge-shaped guide surfaces of the spring fixing block, and notches matched with the screw tails of the locking bolts are formed in the end portion of the upper end of the through hole of the rear side cover plate.
Furthermore, be provided with waterproof packing ring and water expansion sealing strip between casing trailing flank and the rear side apron, waterproof packing ring and water expansion sealing strip are the annular that matches with casing border shape and the water expansion sealing strip that absorbs water is located the inboard of waterproof packing ring, it has the screw that corresponds with the casing rear side to open on the waterproof packing ring, the bolt passes rear side apron, waterproof packing ring and casing trailing flank screw in proper order with rear side apron locking fix on the casing, open the recess that matches with water expansion sealing strip on the casing trailing flank, water expansion sealing strip card is established in the recess and is fixed by rear side apron pressfitting.
Furthermore, the water-absorbing expansion sealing strip is made of water-absorbing expansion rubber, a color-changing strip which changes color when meeting water is arranged on the outer side face of the water-absorbing expansion sealing strip, the color-changing strip is made of a fiber tape, the fiber tape is wound on the outer side face of the water-absorbing expansion sealing strip and is fixedly adhered, and anhydrous copper sulfate powder is uniformly arranged in the fiber tape.
Furthermore, one side of the front side face of the shell is provided with a sound outlet grid, the inner side of the sound outlet grid is provided with a waterproof structure, the waterproof structure comprises a coaming, a waterproof film, a sealing ring and a sealing ring pressing plate, the shape of the coaming is matched with the sound outlet grid and surrounds the sound outlet grid, the coaming is perpendicular to the shell and is fixed on the inner side wall of the shell, the waterproof film is matched with the inner side of the coaming, the sealing ring and the sealing ring pressing plate are annular bodies matched with the inner side shape of the coaming, the waterproof film, the sealing ring and the sealing ring pressing plate are sequentially arranged on the inner side of the coaming from the right lower part to the upper part, the outer side face of the sealing ring pressing plate is fixedly tensioned with the inner side face of the coaming, two vertical pressing plates are.
Further, the casing front side is provided with a rubber buffer pad protruding in the casing front side board respectively in the outside of display screen four corners position, and rubber buffer pad is the L type and the turning is in the display screen angle and corresponds the setting, and the four corners position of casing is provided with a crash cushion respectively.
Compared with the prior art, the invention has the following advantages and effects:
1. according to the invention, by designing a brand-new shockproof mounting structure of the circuit board, the lower end of the shockproof pin shaft is connected with the shell through the spherical hinge, and the upper end of the shockproof pin shaft is pulled on the rear side cover plate through the spring, so that axial shock is still counteracted through the spring, and the shock in other directions such as the radial direction and the like is counteracted through the movement of the spherical hinge and the continuous stretching of the spring, thus the elimination of multi-directional shock is realized, and the shockproof effect and the stability of the circuit board are ensured;
2. the shockproof mounting structure of the circuit board has a simple integral structure, the spring in the prior art is generally in an unstressed state and is easy to mount, and the spring mounting state is required to be in a stretching state, so that the spring mounting structure is difficult to directly mount on the rear side cover plate;
3. according to the invention, a circle of water-absorbing expansion sealing strip is arranged on the inner ring of the traditional sealing washer, and after water permeates into the sealing washer, the water-absorbing expansion sealing strip absorbs the water seepage and expands to fill the gap between the shell and the rear side cover plate, so that the water seepage is prevented from further permeating into the internal devices of the terminal, and the safety of the internal devices is further protected; the water-absorbing expansion sealing strip is used as the last protective barrier, a layer of color-changing strip is added on the outer side of the water-absorbing expansion sealing strip, when the color of the color-changing strip is changed, the water seepage is shown to permeate the water-absorbing expansion sealing strip, and the waterproof gasket and the water-absorbing expansion sealing strip need to be replaced in the maintenance process;
4. a waterproof film is added in the sound outlet grid, so that rainwater can be effectively prevented from entering the shell from the birth grid; the anti-collision design is carried out on the periphery of the display screen and the periphery of the shell, so that the damage of the terminal after the hand slips in rainy days is avoided.
Drawings
FIG. 1 is a schematic diagram of a ruggedized handset terminal of the present invention.
Fig. 2 is a rear view of a ruggedized handset terminal of the present invention.
Fig. 3 is a schematic view of the anti-vibration mounting structure of the present invention.
FIG. 4 is a schematic view of the vibration damping sleeve of the present invention.
Fig. 5 is a schematic view of a spring anchor block of the present invention.
Fig. 6 is a schematic view of the waterproof structure of the present invention.
Detailed Description
The present invention is further illustrated by the following examples, which are illustrative of the present invention and are not to be construed as being limited thereto.
As shown in fig. 1 and 2, the reinforced handheld device terminal of the invention comprises a housing 1 and a rear side cover plate 2, wherein a cavity for accommodating devices inside the terminal is opened at the rear side of the housing 1, a plurality of screw holes 3 corresponding to each other are uniformly distributed at the edge of the rear side surface of the housing 1 and the edge of the rear side cover plate 2 around the cavity, the rear side cover plate 2 is fixed in the screw holes at the rear side surface of the housing 1 by bolts in a locking manner, a circuit board is arranged in the cavity of the housing 1 by a shockproof mounting structure, as shown in fig. 3, the shockproof mounting structure comprises a shockproof pin shaft 4, a shockproof sleeve 5, a spring 6, a spring fixing block 7 and a locking bolt 8, the lower end of the shockproof pin shaft 4 is connected with the housing 1 by a spherical hinge, the shockproof sleeve 5 is sleeved outside the shockproof pin shaft 4, an annular groove 9 matched with the circuit board 10 is arranged on the shockproof sleeve 5, and the mounting hole, the upper end of the spring 6 is fixedly connected with a spring fixing block 7, the lower end of the spring 6 is fixedly connected with the upper end of the shockproof pin shaft 4, the spring 6 is in a stretching state in an installation state, and the upper side of the spring 6 fixing block is fixed on the rear side cover plate 2 through a locking bolt 8.
The spherical hinge structure contains spheroid 11 and spheroid recess 12, and spheroid 11 is fixed at 4 lower extreme tip of shockproof round pin axle, and spheroid recess 12 lower extreme is fixed on 1 inner wall of casing, and open on the spheroid recess 12 upper end has a spherical groove that matches with spheroid 11 and the spherical groove is for being greater than the spherical segment cell body of hemisphere 11, and spheroid 11 sets up in the spherical groove and can rotate along arbitrary direction. As shown in fig. 4, the whole of the shock-proof sleeve 5 is cylindrical, an annular groove 9 is formed in the middle of the shock-proof sleeve 5 along the circumferential direction, the width of the annular groove 9 is matched with the thickness of the circuit board 10, the upper end of the shock-proof sleeve 5 is provided with a cone structure which becomes thicker from top to bottom, the circuit board 10 is provided with a mounting hole, and the circuit board 10 is downwards sleeved on the shock-proof sleeve 5 through the mounting hole by the cone structure at the upper end of the shock-proof sleeve 5 and is finally clamped in the annular groove 9. The sphere groove 12 is composed of two slots, one of which is fixed on the housing 1, and the other is connected with the slot fixed on the SUITANG 1 through a bolt or a buckle structure. When the sphere groove 12 is of an integral structure, the sphere can be directly pressed into the sphere groove 12, and when the sphere is of a two-piece Harvard structure, the sphere is assembled and fixed into the groove body.
As shown in fig. 5, the spring fixing block 7 includes a fixing mounting plate 13 and a spring fixing shaft 14, the spring fixing shaft 14 is disposed perpendicular to the fixing mounting plate 13, and the upper end of the spring fixing shaft 14 is fixed at the lower side of the fixing mounting plate 13, the lower end of the spring fixing shaft 14 and the upper end of the shockproof pin 5 are both provided with a convex ring structure 15 protruding from the shaft side surface, the diameter of the convex ring structure 15 is larger than that of the spring 6, and the upper end and the lower end of the spring 6 are respectively clamped on the convex ring structures 15 at the lower end of the spring fixing shaft 14 and the. The rear side cover plate 2 is provided with a through hole matched with the locking bolt 8, the upper end of the spring fixing block 7 is provided with a threaded hole matched with the locking bolt 8, the position of the threaded hole is matched with the position of the through hole of the rear side cover plate 2, and the locking bolt 8 penetrates through the through hole from the upper side of the rear side cover plate 2 and is locked and fixed in the threaded hole of the spring fixing block 7. The upper side of the spring fixing block 7 is provided with wedge-shaped guide surfaces all around, the inner side surface of the rear side cover plate 2 is provided with a groove matched with the spring fixing block 7, the peripheral side wall of the groove is matched with the wedge-shaped guide surfaces of the spring fixing block, and the end part of the upper end of the through hole of the rear side cover plate 2 is provided with a notch matched with the screw tail of the locking bolt 8.
The lower end of the shockproof pin shaft is connected with the terminal panel through the spherical hinge, and the upper end of the shockproof pin shaft is pulled on the terminal bottom plate through the spring, so that the axial vibration is still counteracted through the spring, the vibration in other directions such as the radial direction and the like is counteracted through the movement of the spherical hinge and the continuous stretching of the spring, and therefore the elimination of multi-directional vibration is realized, and the shockproof effect and the stability of the circuit board are ensured; secondly mounting structure is simple, and prior art spring is generally in the unstressed state, and the easy installation, and this application is because the spring mounting state will be in tensile state, very difficult direct mount is on the terminal bottom plate, consequently designs a spring fixed block, thereby the bottom plate closes back rethread bolt locking fixes spring fixed block locking on the bottom plate extension spring, has solved the installation problem.
As shown in fig. 2, a waterproof gasket 16 and a water-absorbing expansion sealing strip 17 are arranged between the rear side surface of the housing 1 and the rear side cover plate 2, the waterproof gasket 16 and the water-absorbing expansion sealing strip 17 are both annular and matched with the edge shape of the housing 1, and the water-absorbing expansion sealing strip 17 is positioned on the inner side of the waterproof gasket 16, the waterproof gasket 16 is provided with a screw hole corresponding to the rear side of the housing 1, a bolt sequentially penetrates through the rear side cover plate 2, the waterproof gasket 16 and the rear side screw hole of the housing 1 to lock and fix the rear side cover plate 2 on the housing 1, the rear side surface of the housing 1 is provided with a groove matched with the water-absorbing expansion sealing strip 17, and the water-absorbing expansion sealing strip 17 is clamped. The edge of the back side face of the shell 1 is provided with a waterproof gasket 16 and a water-absorbing expansion sealing strip 17, so that the thickness of the shell is certain, in order to reduce the weight of the whole shell, the shell is designed into a hollow structure between the back side face and the side face of the shell 1, and the strength of the whole structure is ensured by a reinforcing rib structure in an auxiliary manner. This embodiment sets up the round expansion sealing strip that absorbs water again at traditional seal ring inner circle, and inside back when water infiltration advances seal ring, the expansion sealing strip that absorbs water absorbs these infiltration and fill up casing and rear side apron clearance after the inflation, avoids the infiltration further to permeate into in the inside device of terminal, further protects the safety of inside device.
The water-absorbing expansion sealing strip 17 is made of water-absorbing expansion rubber, the water-absorbing expansion rubber is novel special rubber, and is prepared by physically blending or chemically grafting a hydrophilic component (or a hydrophilic group) and a rubber matrix, and the volume and the mass of the water-absorbing expansion sealing strip can expand by times after absorption. Be provided with the strip that discolours of meeting water on the lateral surface of water inflation sealing strip, the strip that discolours adopts the fibre area, and the fibre area dish is around on water inflation sealing strip lateral surface and adhesive fixation, evenly is provided with anhydrous copper sulfate powder in the fibre area. The color-changing strip can well remind maintenance personnel, so that the maintenance personnel know that the waterproof gasket 16 is seeped water and fails, and the water-absorbing expansion sealing strip 17 is detached after absorbing water and is maintained, so that the final guarantee effect is difficult to achieve, and once the color-changing strip is found to change color in maintenance, the waterproof gasket 16 and the water-absorbing expansion sealing strip 17 need to be replaced and maintained in time.
As shown in fig. 1, a sound emitting grill 18 is provided on one side of the front surface of the housing 1, and a waterproof structure is provided inside the sound emitting grill 18. Although some models of devices such as present loudspeaker have waterproof function, loudspeaker set up inside the casing, and the water that gets into from the phonate hole is difficult going out inside the casing, and loudspeaker even if waterproof also can not guarantee to soak still can guarantee stable use for a long time, what ever more ponding is very easy to permeate circuit board department from loudspeaker and circuit board coupling part, causes the circuit board to burn out. Therefore, in the embodiment, the traditional hole type sound outlet grid is changed into the grid type sound outlet grid, and the waterproof film is added in the sound outlet grid, so that rainwater can be effectively prevented from entering the shell from the sound outlet grid, and the sound outlet volume can be ensured. As shown in fig. 6, the waterproof structure includes a surrounding plate 19, a waterproof film 20, a sealing ring 21 and a sealing ring pressing plate 22, the surrounding plate 19 is matched with the sound emitting grid 18 and surrounds the sound emitting grid 18, the surrounding plate 19 is perpendicular to the housing 1 and fixed on the inner wall of the housing 1, the waterproof film 20 is matched with the inner side of the surrounding plate 19, the sealing ring 21 and the sealing ring pressing plate 22 are annular bodies matched with the inner side of the surrounding plate 19 in shape, the waterproof film 20, the sealing ring 21 and the sealing ring pressing plate 22 are sequentially arranged on the inner side of the surrounding plate 19 from the right bottom to the top, and the outer side surface of the sealing ring pressing plate 22 is. In this embodiment, the enclosure 19, the sealing ring 21, and the sealing ring pressing plate 22 are rectangular closed rings, the waterproof film 20 is a rectangular sheet, the sealing ring 21 ensures that water does not permeate from the periphery of the waterproof film, and the sealing ring pressing plate 22 presses the waterproof film 20 into the enclosure 19, so as to prevent rainwater of the acoustic grille 18 from entering the inside of the housing. And the whole mounting structure is simple and convenient, and when the sealing ring pressing plate is disassembled, a prying opening 24 can be arranged on the inner wall of one edge of the sealing ring pressing plate 22, so that the sealing ring pressing plate 22 is convenient to disassemble. Two vertical pressing plates 23 are arranged on the upper sides of the two ends of the sealing ring pressing plate 22, the upper ends of the vertical pressing plates 23 are fixed on the inner wall of the rear side cover plate 2, and the lower ends of the vertical pressing plates 23 are pressed on the upper side end faces of the two ends of the sealing ring pressing plate 22. Thus, when the rear side pressing plate 2 is covered on the rear side of the shell 1, the vertical pressing plate 23 is pressed on the sealing ring pressing plate 22, and the sealing ring pressing plate 22 can be effectively prevented from falling off.
The outside of casing 1 front side at 24 four corners positions of display screen is provided with a protruding rubber buffer 25 in 1 front side board of casing respectively, and rubber buffer 25 is the L type and the turning is in 24 angles of display screen and corresponds the setting, and terminal like this when dropping, bellied rubber buffer 25 can avoid the screen directly to collide with and arouse the damage on ground to a certain extent. Four corners of the housing 1 are respectively provided with an anti-collision cushion 26 for protecting and preventing collision of the four corners of the housing 1. Therefore, the periphery of the display screen and the periphery of the shell are designed to be anti-collision, and the damage of the terminal after the hand slips in rainy days is avoided.
The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A ruggedized handheld device terminal, comprising: comprises a shell and a rear side cover plate, wherein the rear side of the shell is provided with a containing cavity for containing devices inside the terminal, a plurality of screw holes which correspond to each other are uniformly distributed on the periphery of the containing cavity, the rear side edge of the shell and the edge of the rear side cover plate are fixed in the screw holes on the rear side of the shell in a locking way through bolts, a circuit board is arranged in the containing cavity of the shell through a shockproof mounting structure, the shockproof mounting structure comprises a shockproof pin shaft and a shockproof sleeve, the lower end of the shockproof pin shaft is connected with the shell through a spherical hinge, the shockproof sleeve is sleeved on the outer side of the shockproof pin shaft and provided with an annular groove matched with the circuit board, a mounting hole of the circuit board is sleeved on the shockproof sleeve and clamped in the annular groove, the upper end of the spring is fixedly connected with the spring fixing block, the lower end of the spring is fixedly connected with the upper end of the shockproof pin shaft, the spring is in a stretching state in a mounting state, and the upper side of the spring fixing block is fixed on the rear side cover plate through the locking bolt.
2. A ruggedized handheld device terminal, as recited in claim 1, wherein: the spherical hinge structure comprises a sphere and a sphere groove, the sphere is fixed at the lower end of the shockproof pin shaft, the lower end of the sphere groove is fixed on the inner wall of the shell, the upper end of the sphere groove is provided with a spherical groove matched with the sphere, the spherical groove is a segment groove body larger than a hemisphere, and the sphere is arranged in the spherical groove and can rotate in any direction.
3. A ruggedized handheld device terminal, as recited in claim 1, wherein: the shockproof sleeve is integrally cylindrical, an annular groove is formed in the middle of the shockproof sleeve along the circumferential direction, the width of the annular groove is matched with the thickness of the circuit board, a cone structure which is thickened from top to bottom is arranged at the upper end of the shockproof sleeve, a mounting hole is formed in the circuit board, and the circuit board is downwards sleeved on the shockproof sleeve through the cone structure at the upper end of the shockproof sleeve through the mounting hole and is finally clamped in the annular groove.
4. A ruggedized handheld device terminal, as recited in claim 1, wherein: the spring fixing block comprises a fixing mounting plate and a spring fixing shaft, the spring fixing shaft is perpendicular to the fixing mounting plate, the upper end of the spring fixing shaft is fixed on the lower side of the fixing mounting plate, the lower end of the spring fixing shaft and the upper end of the shockproof hinge pin are respectively provided with a convex ring structure protruding out of the side face of the shaft, the diameter of the convex ring structure is larger than that of the spring, and the upper end and the lower end of the spring are respectively clamped on the convex ring structures at the lower end of the spring fixing shaft and.
5. A ruggedized handheld device terminal, according to claim 4, wherein: the rear side cover plate is provided with a through hole matched with the locking bolt, the upper end of the spring fixing block is provided with a threaded hole matched with the locking bolt, the position of the threaded hole is matched with that of the through hole of the rear side cover plate, and the locking bolt penetrates through the through hole from the upper side of the rear side cover plate and is locked and fixed in the threaded hole of the spring fixing block.
6. A ruggedized handheld device terminal, according to claim 5, wherein: the spring fixing block is characterized in that wedge-shaped guide surfaces are arranged on the periphery of the upper side of the spring fixing block, grooves matched with the spring fixing block are formed in the inner side face of the rear side cover plate, the peripheral side walls of the grooves are matched with the wedge-shaped guide surfaces of the spring fixing block, and notches matched with the screw tails of the locking bolts are formed in the end portions of the upper ends of the through holes of the rear side cover plate.
7. A ruggedized handheld device terminal, as recited in claim 1, wherein: the waterproof gasket and the water-absorbing expansion sealing strip are arranged between the rear side face of the shell and the rear side cover plate, the waterproof gasket and the water-absorbing expansion sealing strip are both in an annular shape matched with the edge shape of the shell, the water-absorbing expansion sealing strip is located on the inner side of the waterproof gasket, a screw hole corresponding to the rear side of the shell is formed in the waterproof gasket, a bolt sequentially penetrates through the rear side cover plate, the waterproof gasket and the rear side face screw hole of the shell to lock and fix the rear side cover plate on the shell, a groove matched with the water-absorbing expansion sealing strip is formed in the rear side face of the shell, and the water-absorbing expansion sealing strip is clamped.
8. A ruggedized handheld device terminal, according to claim 7, wherein: the water-absorbing expansion sealing strip is made of water-absorbing expansion rubber, a color-changing strip which changes color when meeting water is arranged on the outer side face of the water-absorbing expansion sealing strip, the color-changing strip is made of a fiber tape, the fiber tape is wound on the outer side face of the water-absorbing expansion sealing strip and is fixedly adhered, and anhydrous copper sulfate powder is uniformly arranged in the fiber tape.
9. A ruggedized handheld device terminal, as recited in claim 1, wherein: one side of casing leading flank is provided with the grid of making a sound, it is provided with waterproof construction to go out the grid inboard, waterproof construction contains the bounding wall, waterproof film, sealing washer and sealing washer clamp plate, the shape of bounding wall matches with the grid of making a sound and surrounds around the grid of making a sound, the bounding wall perpendicular to casing sets up and fixes on the side inner wall of casing, waterproof film matches with the inboard of bounding wall, sealing washer and sealing washer clamp plate are the ring form that matches with the inboard shape of bounding wall, waterproof film, the right side of sealing washer and sealing washer clamp plate is supreme to setting gradually in the bounding wall inboard and sealing washer clamp plate lateral surface and bounding wall medial surface rise tightly fixedly down, the both ends upside of sealing washer clamp plate is provided with two perpendicular clamp plates, perpendicular clamp plate upper end is fixed on rear side apron inner wall.
10. A ruggedized handheld device terminal, as recited in claim 1, wherein: the shell front side is provided with a rubber buffer pad protruding in the front panel of the shell respectively in the outside of the four corners of the display screen, the rubber buffer pad is L-shaped and the corner is in the corresponding setting of the display screen corner, and the four corners of the shell are respectively provided with an anti-collision buffer pad.
Priority Applications (1)
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CN201911104043.3A CN110856400B (en) | 2019-11-13 | 2019-11-13 | Consolidate handheld device terminal |
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CN201911104043.3A CN110856400B (en) | 2019-11-13 | 2019-11-13 | Consolidate handheld device terminal |
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CN110856400A true CN110856400A (en) | 2020-02-28 |
CN110856400B CN110856400B (en) | 2020-10-09 |
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CN201911104043.3A Active CN110856400B (en) | 2019-11-13 | 2019-11-13 | Consolidate handheld device terminal |
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CN (1) | CN110856400B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113867326A (en) * | 2021-11-08 | 2021-12-31 | 深圳市超越科技开发有限公司 | Multifunctional handheld automobile diagnostic instrument |
CN117998787A (en) * | 2024-04-01 | 2024-05-07 | 合肥伊科耐能源股份有限公司 | BMS battery management system circuit board |
Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06280938A (en) * | 1993-03-30 | 1994-10-07 | Mitsubishi Electric Corp | Damping device for printed circuit board |
JPH08210506A (en) * | 1995-02-07 | 1996-08-20 | Fuji Electric Co Ltd | Water proof structure between case and cover |
US6252768B1 (en) * | 1999-06-09 | 2001-06-26 | Twinhead International Corp. | Shock-absorbing device for notebook computer module |
TW540966U (en) * | 2002-08-06 | 2003-07-01 | Inventec Corp | Fixing device of printed circuit board |
CN102378533A (en) * | 2010-08-26 | 2012-03-14 | 张方荣 | Cushioning mechanism of circuit board |
CN205491570U (en) * | 2016-01-08 | 2016-08-17 | 深圳市领卓实业发展有限公司 | Anti extrusion circuit board |
CN107995824A (en) * | 2017-12-23 | 2018-05-04 | 重庆电特威电子有限公司 | A kind of buckle structure for mounting circuit boards |
CN108770271A (en) * | 2018-08-10 | 2018-11-06 | 厦门兴康信科技股份有限公司 | A kind of data box and its data box and emergency data projection system |
CN208175189U (en) * | 2018-05-03 | 2018-11-30 | 佛山市顺德区领鑫电子有限公司 | A kind of circuit board that effective defence squeezes |
CN108925106A (en) * | 2018-07-09 | 2018-11-30 | 安徽荣向信息科技有限公司 | A kind of industrial robot electric cabinet with damping, buffering function |
CN208210506U (en) * | 2018-04-25 | 2018-12-07 | 深圳捷飞高电路有限公司 | A kind of shock-damping structure of pcb board |
CN109058370A (en) * | 2018-09-21 | 2018-12-21 | 萍乡市凯越机电设备有限公司 | Novel shock absorption device for electromechanical equipment |
CN109195230A (en) * | 2018-08-14 | 2019-01-11 | 合肥超必达网络技术服务有限公司 | A kind of shockproof wireless network card |
CN208480153U (en) * | 2018-07-09 | 2019-02-05 | 深圳市日月辉电子有限公司 | A kind of fixation device of pcb board |
CN208854026U (en) * | 2018-08-09 | 2019-05-14 | 万安强智科技有限公司 | Auxiliary locator is used in a kind of welding of multilayer board |
CN109814672A (en) * | 2019-03-20 | 2019-05-28 | 中国兵器工业计算机应用技术研究所 | A kind of reinforcing display and control terminal |
CN209563058U (en) * | 2019-01-09 | 2019-10-29 | 合肥环瑞汽车电子科技有限公司 | A kind of damping, buffering structure of automobile circuit plate |
CN209627616U (en) * | 2019-04-29 | 2019-11-12 | 四川声达创新科技有限公司 | A kind of waterproof speech recognition box |
-
2019
- 2019-11-13 CN CN201911104043.3A patent/CN110856400B/en active Active
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06280938A (en) * | 1993-03-30 | 1994-10-07 | Mitsubishi Electric Corp | Damping device for printed circuit board |
JPH08210506A (en) * | 1995-02-07 | 1996-08-20 | Fuji Electric Co Ltd | Water proof structure between case and cover |
US6252768B1 (en) * | 1999-06-09 | 2001-06-26 | Twinhead International Corp. | Shock-absorbing device for notebook computer module |
TW540966U (en) * | 2002-08-06 | 2003-07-01 | Inventec Corp | Fixing device of printed circuit board |
CN102378533A (en) * | 2010-08-26 | 2012-03-14 | 张方荣 | Cushioning mechanism of circuit board |
CN205491570U (en) * | 2016-01-08 | 2016-08-17 | 深圳市领卓实业发展有限公司 | Anti extrusion circuit board |
CN107995824A (en) * | 2017-12-23 | 2018-05-04 | 重庆电特威电子有限公司 | A kind of buckle structure for mounting circuit boards |
CN208210506U (en) * | 2018-04-25 | 2018-12-07 | 深圳捷飞高电路有限公司 | A kind of shock-damping structure of pcb board |
CN208175189U (en) * | 2018-05-03 | 2018-11-30 | 佛山市顺德区领鑫电子有限公司 | A kind of circuit board that effective defence squeezes |
CN108925106A (en) * | 2018-07-09 | 2018-11-30 | 安徽荣向信息科技有限公司 | A kind of industrial robot electric cabinet with damping, buffering function |
CN208480153U (en) * | 2018-07-09 | 2019-02-05 | 深圳市日月辉电子有限公司 | A kind of fixation device of pcb board |
CN208854026U (en) * | 2018-08-09 | 2019-05-14 | 万安强智科技有限公司 | Auxiliary locator is used in a kind of welding of multilayer board |
CN108770271A (en) * | 2018-08-10 | 2018-11-06 | 厦门兴康信科技股份有限公司 | A kind of data box and its data box and emergency data projection system |
CN109195230A (en) * | 2018-08-14 | 2019-01-11 | 合肥超必达网络技术服务有限公司 | A kind of shockproof wireless network card |
CN109058370A (en) * | 2018-09-21 | 2018-12-21 | 萍乡市凯越机电设备有限公司 | Novel shock absorption device for electromechanical equipment |
CN209563058U (en) * | 2019-01-09 | 2019-10-29 | 合肥环瑞汽车电子科技有限公司 | A kind of damping, buffering structure of automobile circuit plate |
CN109814672A (en) * | 2019-03-20 | 2019-05-28 | 中国兵器工业计算机应用技术研究所 | A kind of reinforcing display and control terminal |
CN209627616U (en) * | 2019-04-29 | 2019-11-12 | 四川声达创新科技有限公司 | A kind of waterproof speech recognition box |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113867326A (en) * | 2021-11-08 | 2021-12-31 | 深圳市超越科技开发有限公司 | Multifunctional handheld automobile diagnostic instrument |
CN117998787A (en) * | 2024-04-01 | 2024-05-07 | 合肥伊科耐能源股份有限公司 | BMS battery management system circuit board |
CN117998787B (en) * | 2024-04-01 | 2024-06-04 | 合肥伊科耐能源股份有限公司 | BMS battery management system circuit board |
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