CN103281883A - Waterproof anti-collision expanded connecting structure of handheld terminal equipment - Google Patents
Waterproof anti-collision expanded connecting structure of handheld terminal equipment Download PDFInfo
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- CN103281883A CN103281883A CN201310139410XA CN201310139410A CN103281883A CN 103281883 A CN103281883 A CN 103281883A CN 201310139410X A CN201310139410X A CN 201310139410XA CN 201310139410 A CN201310139410 A CN 201310139410A CN 103281883 A CN103281883 A CN 103281883A
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- lower house
- groove
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Abstract
The invention provides a waterproof anti-collision expanded connecting structure of handheld terminal equipment. The waterproof anti-collision expanded connecting structure comprises a host machine and a sub-machine, wherein mutually-adapted guide rail structures are arranged on the housings of the host machine and the sub-machine to be butted, and the inner parts of the guide rail structures are provided with connecting pieces which are used for circuit and communication connection of the host machine and the sub-machine. The host machine has basic functions of voice communication, satellite positioning, pickup, taking a picture, bluetooth and the like, and the sub-machine can be arbitrarily switched into expanded sub-machines with various functions as needed, such as printers, POS (Point-of-Sale) card readers, identity recognizers, fingerprint readers, bar code readers and the like. Meanwhile, according to various usages, the host machine can arbitrarily select different sub-machines to form handheld terminal equipment which is suitable for various fields of public security, electric power, banks, logistics, finance, railway and the like. The waterproof anti-collision expanded connecting structure has the characteristics of firm and stable combination, small size, one-hand operation, one machine for multiple purposes, convenience in carrying and the like.
Description
Technical field
The present invention relates to hand-held terminal device, particularly a kind of hand-held terminal device that is suitable for various waterproof anticollisioves carries out the expansion syndeton that function freely superposes.
Background technology
Present various hand-held terminal devices are usually in order to be easy to carry, volume is all less, and the various peripheral hardwares that do not have expansion, as printer, identity recognizer, Fingerprint Identification Unit, screen bar code recognizer etc., if when needing to use the function of above-mentioned expansion equipment, normally adopting increases bluetooth or wireless communication module, insert above-mentioned printer again, identity recognizer, Fingerprint Identification Unit, peripheral hardwares such as screen bar code recognizer, very inconvenient during use, and also there is some to have the hand-held terminal device of portable printer in the existing equipment, its structural design is unreasonable, and volume is bigger and heavy, carries very inconvenience.
In addition, present various hand-portable terminal equipments have the requirement of waterproof and anticollision grade usually, common waterproofing process employing increases waterproof grommet and processes between last lower house, but if the sealing ring classification of waterproof of taking common sealing means to reach is lower, can't satisfy the purpose that the portable equipment in some classification of waterproof high requirement uses; And crashproof way normally adopts additional protection circle elastomeric material to increase the cushion effect of shell, or increases thickness of shell and increase casing rigidity, perhaps adopts above-mentioned means to realize simultaneously.Simultaneously, when adopting traditional housing waterproof construction, after generally can only being set directly at outside, its key switch (the young switch of pot) is connected on the inner wiring board, do not have waterproof effect, if in wet environment, use, the young switch of pot will turn-on power, faults such as generation misoperation or button are malfunctioning, if the young switch of pot is arranged on enclosure interior, operate in outside by modes such as button connecting rods, its sensitivity then can reduce greatly again, and not only parts such as button connecting rod are fragile, the complete machine outside still needs the specialize water-proofing treatment simultaneously, and production cost is also higher.Perhaps adopt outer button to touch the middle transition key external force is delivered to the young switch of pot of enclosure interior, so outer button and transition key all to do water-proofing treatment, so the cost height, sensitivity also can reduce greatly.
Summary of the invention
The technical problem to be solved in the present invention, be to provide a kind of one hand can operation, compact conformation, installation is firm and volume is less, be applicable to the expansion syndeton of hand-held terminal device of waterproof anticollision of the peripheral hardware expansion of various uses.
The present invention is achieved in that a kind of expansion syndeton of hand-held terminal device of waterproof anticollision, comprise main frame and handset, it is characterized in that: described main frame and handset shell are provided with mutually that adaptive guide rail structure docks, and are provided with in guide rail structure inside for main frame and handset and carry out the connector that circuit and communication are connected usefulness.
Described guide rail structure is made up of cell body and guide rail, and the width in the bottom land on the cross sectional shape of described cell body or groove stage casing is greater than the width of notch, and the cross sectional shape of guide rail is slightly less than the cross section of cell body and suitable with cell body.
Described guide rail structure adopts dovetail groove guide rail, T type groove guide rail, deep-slotted chip breaker guide rail or prismatic groove guide rail structure.
Described host housing is provided with a dovetail groove, the bottom land of described dovetail groove is provided with location hole and several hard contacts, this hard contact is connected on the circuit board of main frame inside, described handset shell be provided with one with the suitable trapezoidal rails of dovetail groove, be provided with telescopic elastic positioning pin and some elastic metal contacts with end face corresponding at the bottom of the dovetail groove on the described trapezoidal rails, described elastic metal contacts is connected on the circuit board of handset inside, when described trapezoidal rails is installed in the dovetail groove, the conducting that also contacts with hard contact on the main frame of the suitable chucking of the location hole of the bottom land of described elastic positioning pin and dovetail groove, the elastic metal contacts on the described handset.
Described main frame adopts the waterproof anticollision structure of double Shell, comprise loam cake, lower house and install on four angles of lower house outer wall guard ring, the double-decker that described lower house adopts madial wall and lateral wall to form, be reserved with certain space between described madial wall and the lateral wall, some reinforcements equably distribute between madial wall and the lateral wall.
Also be provided with waterproof grommet between described loam cake and the lower house, offer annular groove on the lateral wall of loam cake, be set with sealing ring in the annular groove, the sidewall of described lower house is the plane, the distance of the slightly larger in diameter of described sealing ring between the sidewall of the bottom of annular groove and lower house.
The medial surface of described guard ring is provided with the opposite buckle of direction that pair of parallel arranges, leave the space between two buckles, the lateral wall of described lower house is provided be used to the through hole that passes buckle, and described two buckles are installed in the through hole and pin are installed in the space between two buckles guard ring are blocked the lateral wall that is locked at lower house.
The lateral wall of described lower house is provided with button position groove, the bottom of described button position groove is provided with elongated slot, described madial wall is provided with corresponding elongated slot, the young switch of pot is installed on the groove of described button position, extend on the internal circuit board of madial wall after the connecting line of the young switch of described pot passes elongated slot, adopt the gluing sealing in the described elongated slot.
The cross section of described sealing ring is circular or oval, and the top edge of described lower house is provided with outward extending inclined-plane or cambered surface.
The young switch of described anti-kettle comprises switching circuit and closed driving fit watertight composition, and the two sides, front and back of described switching circuit is the plastic film of moulding, and described plastic film forms the closed driving fit watertight composition of six waterproof by gummed or ultrasonic bonding.
The invention has the advantages that: by adopting guide rail structure and resilient contact structure combining, main frame accurately can be connected with handset and locate, guaranteed the reliable and stable of power supply between main frame and the handset and communication, and main frame has bluetooth, WIFI, IC-card, speech communication, the 3G transfer of data, satellite fix, the one dimension sign indicating number, infrared copy meter, shooting, take a picture, basic functions such as bar code, handset then can be switched various function expansion handsets arbitrarily as required, as printer, the POS machine for punching the card, identity recognizer, Fingerprint Identification Unit, radio frequency IFID, two-dimension code, various handsets such as screen bar code recognizer.Main frame can be according to various purposes simultaneously, arbitrarily the different handset of apolegamy is combined into the spendable hand-held terminal device of every field such as suitable public security, electric power, bank, logistics, finance, railway, characteristics such as have that firm combination is stable, volume is little, one hand can operation, a tractor serves several purposes, be easy to carry.Simultaneously, by adopting the structure of double Shell, can be when outer casing be subjected to external force collision by and internal layer shell between the gap reserved as buffering, extruding and destruction between preventing from the structure of device interior carried out, improve the anticollision ability of housing greatly, can satisfy higher bump class requirement; And owing to be provided with the groove that holds sealing ring at the sidewall of loam cake, the diameter of sealing ring is arranged to be slightly larger than the distance between the sidewall of the bottom of annular groove and lower house, in use with the pressing of upper and lower casing, because having suitable elastic shrinkage and can be constrained in the groove, sealing ring can upwards not come off, can make upper and lower casing originally between the complete sealed circle in slit fill up and lasting maintenance impaction state, improved the performance of waterproof greatly, the requirement of satisfiable high classification of waterproof portable equipment; Simultaneously, owing to adopted double-deck shell structure, the thickness that causes the sidewall of housing to compare conventional housing increases, therefore the waterproof type of conventional key switch can't use accurately, therefore can be by the young construction of switch of the anti-kettle of redesign, solve the problem that the young switch of prior art pot can't waterproof.
Description of drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the whole Facad structure figure of expansion syndeton of the hand-held terminal device of waterproof anticollision of the present invention.
Fig. 2 is the whole structure figure of expansion syndeton of the hand-held terminal device of waterproof anticollision of the present invention.
Fig. 3 is the structure chart of main frame of expansion syndeton of the hand-held terminal device of waterproof anticollision of the present invention.
Fig. 4 is the structure chart of handset of expansion syndeton of the hand-held terminal device of waterproof anticollision of the present invention.
Fig. 5 is the overall structure figure of waterproof anticollision structure of double Shell of expansion syndeton of the hand-held terminal device of waterproof anticollision of the present invention.
Fig. 6 is the generalized section of the waterproof grommet at the A position among Fig. 4.
Fig. 7 is the mounting structure figure of the young switch of pot at the B position among Fig. 4.
Fig. 8 is the mounting structure figure of the guard ring at the C position among Fig. 4.
Embodiment
See also Fig. 1,2, it is the expansion syndeton of the hand-held terminal device of a kind of waterproof anticollision of the present invention, comprise main frame 1 and handset 2, described main frame 1 and handset 2 shells are provided with mutually that adaptive guide rail structure 3 docks, and are provided with in guide rail structure 3 inside for main frame 1 and handset 2 and carry out the connector that circuit and communication are connected usefulness.As Fig. 3 and Fig. 4, described guide rail structure 3 adopts the dovetail groove guide rail structure, described main frame 1 shell is provided with a dovetail groove 11, the bottom land of described dovetail groove 11 is provided with location hole 12 and several hard contacts 13, this hard contact 13 is connected on the circuit board of main frame 1 inside, and main frame 1 can select to be suitable for the corresponding hand-held terminal devices of every field such as public security, electric power, bank, finance, railway according to the industry needs.
Described handset 2 shells be provided with one with the suitable trapezoidal rails 21 of dovetail groove 11, end face corresponding with 11 ends of dovetail groove on the described trapezoidal rails 21 is provided with telescopic elastic positioning pin 22 and some elastic metal contacts 23, described elastic metal contacts 23 is connected on the circuit board of handset inside, handset 2 can select to possess various function expansion handsets as required arbitrarily, uses as selecting various function handsets such as portable printer, identity recognizer, Fingerprint Identification Unit, screen bar code recognizer.
During use, when being installed in described trapezoidal rails 21 alignings in the dovetail groove 11, the location hole 12 of described elastic positioning pin 22 and the bottom land of dovetail groove 11 can send the sound of " click is rattled away " and represent to tighten when suitable, the conducting that can be just contacts with hard contact 13 on the main frame 1 of the elastic metal contacts 23 on the described handset 2 this moment makes power supply and communication that main frame and handset can be stable.
As Fig. 5, it is the host shell structure of expansion syndeton of the hand-held terminal device of waterproof anticollision of the present invention, this housing adopts the waterproof anticollision structure version of double Shell, comprise loam cake 101, lower house 102 and be installed on four angles of lower house 102 outer walls guard ring 103, described lower house 102 comprises the double-decker that madial wall 1021 and lateral wall 1022 are formed, be reserved with certain space between described madial wall 1021 and the lateral wall 1022, some reinforcements 1023 equably distribute between madial wall 1021 and the lateral wall 1022.
As Fig. 6, it is the generalized section of the waterproof grommet at the A position among Fig. 5, also be provided with waterproof grommet 104 between the madial wall 1021 of described loam cake 101 and lower house 102, offer annular groove 105 on the lateral wall of loam cake 101, sealing ring 104 is sleeved in the annular groove 105, the madial wall 1021 of described lower house 102 is the plane, the distance of the slightly larger in diameter of described sealing ring 104 between the madial wall 1021 of the trench bottom of annular groove 105 and lower house 102.The cross section of described sealing ring 104 is circular or oval, and the top edge of the madial wall 1021 of described lower house 102 is provided with outward extending inclined-plane or cambered surface.Annular groove 105 tops of described loam cake 101 also are provided with outside extension 106, and the degree of depth of described annular groove 105 is greater than the radius of sealing ring 104.
As Fig. 7, be the mounting structure figure of the young switch of pot at the B position among Fig. 5, also be provided with button position groove 1023 on the lateral wall 1022 of described lower house 102, the bottom of described button position groove 1023 is provided with elongated slot 1024, described madial wall 1021 is provided with corresponding elongated slot 1024, the young switch 108 of pot is installed on the described button position groove 1023, extend on the internal circuit board of madial wall 1021 after the connecting line 1083 of the young switch 108 of described pot passes elongated slot 1024, adopt the gluing sealing in the described elongated slot 1024.
The young switch 108 of described pot comprises switching circuit 1081 and watertight composition 1082, and the two sides, front and back of described switching circuit 1081 all is connected to watertight composition 1082 by gummed or supersonic welding.
As Fig. 8, be the mounting structure figure of the guard ring at the C position among Fig. 5, the medial surface of described guard ring 103 is provided with the opposite buckle 1031 of direction that pair of parallel arranges, leave space 1032 between two buckles 1031, the lateral wall 1022 of described lower house 102 is provided be used to the through hole 107 that passes buckle 1031, and described two buckles 1031 are installed in the through hole 201 and pin 1033 are installed in the space 1032 between two buckles 1031 guard ring 103 is blocked on the lateral wall 1022 that is locked at lower house 102.
Guide rail structure described in the present invention, also can select T type groove guide rail structure, cross section for use is that the guide rail structure of deep-slotted chip breaker, prismatic groove or the track structure of other cross sectional shapes substitute, as long as the bottom land on the cross sectional shape of described cell body or the width in groove stage casing can just can be used as and realize stable butt joint and the guide rail structure of lock function greater than the width of notch.Describedly carry out connector that circuit and communication be connected usefulness except the resilient contact mode described in the present embodiment for main frame and handset, can also adopt various golden fingers, modes such as contact pin realize, all should belong to the described protection range of this patent.
Claims (10)
1. the expansion syndeton of the hand-held terminal device of a waterproof anticollision, comprise main frame and handset, it is characterized in that: described main frame and handset shell are provided with mutually that adaptive guide rail structure docks, and are provided with in guide rail structure inside for main frame and handset and carry out the connector that circuit and communication are connected usefulness.
2. according to the expansion syndeton of the hand-held terminal device of the described waterproof anticollision of claim 1, it is characterized in that: described guide rail structure is made up of cell body and guide rail, the width in the bottom land on the cross sectional shape of described cell body or groove stage casing is greater than the width of notch, and the cross sectional shape of guide rail is slightly less than the cross section of cell body and suitable with cell body.
3. according to the expansion syndeton of the hand-held terminal device of the described waterproof anticollision of claim 1, it is characterized in that: described guide rail structure adopts dovetail groove guide rail, T type groove guide rail, deep-slotted chip breaker guide rail or prismatic groove guide rail structure.
4. the expansion syndeton of the hand-held terminal device of waterproof anticollision according to claim 3, it is characterized in that: described host housing is provided with a dovetail groove, the bottom land of described dovetail groove is provided with location hole and several hard contacts, this hard contact is connected on the circuit board of main frame inside, described handset shell be provided with one with the suitable trapezoidal rails of dovetail groove, be provided with telescopic elastic positioning pin and some elastic metal contacts with end face corresponding at the bottom of the dovetail groove on the described trapezoidal rails, described elastic metal contacts is connected on the circuit board of handset inside, when described trapezoidal rails is installed in the dovetail groove, the conducting that also contacts with hard contact on the main frame of the suitable chucking of the location hole of the bottom land of described elastic positioning pin and dovetail groove, the elastic metal contacts on the described handset.
5. according to the expansion syndeton of the hand-held terminal device of the described waterproof anticollision of claim 1, it is characterized in that: described main frame adopts the waterproof anticollision structure of double Shell, comprise the guard ring on loam cake, lower house and four angles of installation lower house outer wall, the double-decker that described lower house adopts madial wall and lateral wall to form, be reserved with certain space between described madial wall and the lateral wall, some reinforcements equably distribute between madial wall and the lateral wall.
6. the expansion syndeton of the hand-held terminal device of waterproof anticollision according to claim 5, it is characterized in that: also be provided with waterproof grommet between described loam cake and the lower house, offer annular groove on the lateral wall of loam cake, be set with sealing ring in the annular groove, the sidewall of described lower house is the plane, the distance of the slightly larger in diameter of described sealing ring between the sidewall of the bottom of annular groove and lower house.
7. the expansion syndeton of the hand-held terminal device of waterproof anticollision according to claim 5, it is characterized in that: the medial surface of described guard ring is provided with the opposite buckle of direction that pair of parallel arranges, leave the space between two buckles, the lateral wall of described lower house is provided be used to the through hole that passes buckle, and described two buckles are installed in the through hole and pin are installed in the space between two buckles guard ring are blocked the lateral wall that is locked at lower house.
8. the expansion syndeton of the hand-held terminal device of waterproof anticollision according to claim 5, it is characterized in that: the lateral wall of described lower house is provided with button position groove, the bottom of described button position groove is provided with elongated slot, described madial wall is provided with corresponding elongated slot, the young switch of pot is installed on the groove of described button position, extend on the internal circuit board of madial wall after the connecting line of the young switch of described pot passes elongated slot, adopt the gluing sealing in the described elongated slot.
9. the expansion syndeton of the hand-held terminal device of waterproof anticollision according to claim 6 is characterized in that: the cross section of described sealing ring is for circular or oval, and the top edge of described lower house is provided with outward extending inclined-plane or cambered surface.
10. the waterproof anticollision structure of employing double Shell according to claim 8, it is characterized in that: the young switch of described anti-kettle comprises switching circuit and closed driving fit watertight composition, the two sides, front and back of described switching circuit is the plastic film of moulding, and described plastic film forms the closed driving fit watertight composition of six waterproof by gummed or ultrasonic bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310139410.XA CN103281883B (en) | 2013-04-22 | 2013-04-22 | The hand-held terminal device of changeable expansion handset |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310139410.XA CN103281883B (en) | 2013-04-22 | 2013-04-22 | The hand-held terminal device of changeable expansion handset |
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| CN103281883A true CN103281883A (en) | 2013-09-04 |
| CN103281883B CN103281883B (en) | 2016-05-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104270482A (en) * | 2014-09-23 | 2015-01-07 | 国家电网公司 | Convenient assembling method and using method for general industrial-grade mobile terminal |
| CN104821132A (en) * | 2015-05-14 | 2015-08-05 | 广州番禺职业技术学院 | Multifunctional open-type rack used for experiment, and experiment method |
| CN105913584A (en) * | 2016-03-31 | 2016-08-31 | 苏州佳世达电通有限公司 | Waterproof POS machine |
| CN108365479A (en) * | 2018-03-23 | 2018-08-03 | 中科美其（天津）科技有限公司 | Door edge connector component |
| CN112930674A (en) * | 2018-12-29 | 2021-06-08 | Oppo广东移动通信有限公司 | Mobile terminal |
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| CN102905484A (en) * | 2011-07-28 | 2013-01-30 | 英业达股份有限公司 | Portable electronic device enclosure |
| CN203217435U (en) * | 2013-04-22 | 2013-09-25 | 刘嘉 | Expansion and connection structure of hand-held terminal device |
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| CN1740947A (en) * | 2004-08-27 | 2006-03-01 | 西门子公司 | Double-walled housing for industrial panels and panel-PCs |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104270482A (en) * | 2014-09-23 | 2015-01-07 | 国家电网公司 | Convenient assembling method and using method for general industrial-grade mobile terminal |
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| CN112930674B (en) * | 2018-12-29 | 2023-09-05 | Oppo广东移动通信有限公司 | mobile terminal |
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|---|---|
| CN103281883B (en) | 2016-05-25 |
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Effective date of registration: 20191212 Address after: 350000 No. 61 middle 38, Gulou District, Fujian, Fuzhou Patentee after: Fujian energy Mdt InfoTech Ltd Address before: 350007, No. 42, block 34, 102 Lake Road, Cangshan District, Fujian, Fuzhou Patentee before: Liu Jia |