CN110166067A - A kind of wireless data terminal structure - Google Patents
A kind of wireless data terminal structure Download PDFInfo
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- CN110166067A CN110166067A CN201910502857.6A CN201910502857A CN110166067A CN 110166067 A CN110166067 A CN 110166067A CN 201910502857 A CN201910502857 A CN 201910502857A CN 110166067 A CN110166067 A CN 110166067A
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- 238000007789 sealing Methods 0.000 claims description 29
- 238000005070 sampling Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 230000003373 anti-fouling effect Effects 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention provides a kind of wireless data terminal structures, belong to field of mechanical technique.It solves the problems, such as that existing wireless data terminal maintenance cost is high.This wireless data terminal structure, including shell, power supply and chip circuit plate, mounting rack is also symmetrically arranged on the two sides inner wall of shell, slot one and slot two are offered on mounting rack, the two sides edge of chip circuit plate is plugged in two slots one respectively and has gap between lower end and the bottom wall of shell, fixed plate is additionally provided in shell, there is the fixed part for positioning power supply in the plate face of fixed plate side, there are two limit plates in another lateral plates, the two sides edge of fixed plate is plugged in two slots two respectively and is fixedly connected with the upper end of mounting rack, the end of two limit plates extends to respectively holds top running through for corresponding slot one.The dismounting of this wireless data terminal structure is more convenient, the functional module on chip circuit plate will not be damaged in disassembly process, maintenance cost is low.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of wireless data terminal structure.
Background technique
Wireless data terminal is usually to use in field, is battery powered, the data parameters for being mainly used for supply equipment are adopted
Sample, such as the number of each water meter, the degree of water meter, instantaneous flow, pressure and water level etc., and collected data are uploaded into number
According to service platform, to realize the monitoring to each data.
Existing wireless data terminal generally comprises shell, power supply and uses for data and the data of sampling are passed through nothing
Line is transmitted to the chip circuit plate of data service platform.As Chinese patent application (application number: 201721108118.1) discloses
A kind of wireless terminal accessing device, including shell, the housing bottom are provided with charge port；Pass through mounting bracket in the shell
It is fixedly installed circuit board, wireless receiver, power amplifier and wireless transmitter are provided on the circuit board；The circuit
Battery is provided between plate and the charge port；The surface of shell is provided with switch button；The circuit board upper and lower surface
Thermal grease is closely provided between the case inside face.In existing wireless data terminal equipment, setting peace in shell
It shelves, circuit board is fixed by screws on mounting rack, and battery is the bottom that shell is arranged in, and is located at circuit board and mounting rack
Lower section so that whole installation is more many and diverse, the cabling layout between circuit board and battery etc. is also more inconvenient, and
And many functional modules and contact are laid out on circuit board, screw itself is a conduct piece, to be easy to appear short circuit etc.
Failure.Meanwhile after the failures such as short circuit occurs in some functional module after using over time on circuit board, needing will be electric
The screw of road plate and mounting rack removes, and the problem of due to shell space, the dismounting of the screw between circuit board and mounting rack is very not
It is convenient, and the functional module on damage periphery is also easy in disassembly process, and in general, battery is also a consumable accessories,
There is decline using the cruising ability for occurring damage or battery later over time to need replacing, when replacing battery, also need
Whole circuit board is removed and is taken out, so that the demolition and maintenance of entire wireless data apparatus are very inconvenient.Existing routine
Way typically after failure changes entire wireless terminal device, leads to the higher cost of maintenance.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of wireless data terminal structure is proposed,
The technical problems to be solved by the present invention are: how to improve the reasonability of layout and the convenience of dismounting, maintenance cost is reduced.
Object of the invention can be realized by the following technical scheme: a kind of wireless data terminal structure, including shell,
The intracorporal power supply of shell is set and for data sampling and by the data of sampling by being wirelessly transmitted to the core of data service platform
Piece circuit board, which is characterized in that be also symmetrically arranged with mounting rack on the two sides inner wall of the shell, offered on the mounting rack
It is arranged along the axial direction of the housing and runs through the slot one and slot two of mounting rack upper end, the two sides edge point of the chip circuit plate
It is not plugged in two slots one and there is gap between the lower end of the chip circuit plate and the bottom wall of shell, gone back in the shell
There is the fixed part for positioning power supply equipped with fixed plate, in the fixed plate side plate face opposite with chip circuit plate, separately
Limit plate with two protrusion settings in the plate face of side, the two sides edge of the fixed plate are plugged in two slots two respectively and lead to
The upper end for crossing fastener and mounting rack is fixedly connected with, and the end of two limit plates extends to respectively holds top running through for corresponding slot one.
This wireless data terminal structure is by Curve guide impeller, using matching for unique mounting rack structure and fixed plate structure
It closes, i.e., is symmetrically arranged with mounting rack on the two sides inner wall of shell, mounting rack is equipped with slot one and slot two, and slot one
Axially extended with slot two, when installation, by the connection of chip circuit plate it is good after, only need to be by the two of chip circuit plate
The positioning of horizontal direction is realized in side along sliding plug to corresponding slot one, then again by the two sides of fixed plate along sliding
It is plugged on corresponding slot two and is fixed on mounting rack by fastener, since fastener is connected with the upper end of installation, had
Biggish operating space, convenience is good, meanwhile, two limit plates in fixed plate extend to respectively to be held running through for corresponding slot one
Side realizes that power supply is located on the fixed part of fixed plate to the positioning on chip circuit plate vertical direction, so that whole peace
It is more convenient to fill.And after installing, there is gap, the gap is for line between the lower end of chip circuit plate and the bottom wall of shell
Road passes through, so that cabling is more reasonable.Meanwhile power supply and chip circuit plate are distributed along the horizontal direction of shell, the two it
Between do not interfere on vertical space, it is more reasonable to be laid out, and chip circuit plate is also simply by simple sliding plug
Mode be immobilized in the shell, to largely reduce the generation of the failures such as short circuit, meanwhile, list is only needed after failure
Only disassembling, assembling and replacing, disassembling, assembling and replacing also enhanced convenience, reduces the cost of maintenance.
In above-mentioned wireless data terminal structure, the two sides edge of the chip circuit plate all has clamping convex edge, institute
It states and forms step-like structure, the clamping convex edge sliding plug between the upper surface of clamping convex edge and the upper surface of chip circuit plate
In corresponding slot one and the upper surface of the clamping convex edge is flushed with the end edge edge of running through of corresponding slot one, the limit plate
It is resisted against the upper surface of clamping convex edge.The two sides of chip circuit plate are clamped the upper end of convex edge along directly setting clamping convex edge
Face and slot one through end edge along flushing so that the even slot one of the limit plate in fixed plate can be straight behind end
It connects and is resisted against on clamping convex edge by the limit of chip circuit plate in slot one, installation rear stability is preferable, and chip circuit plate
Also without generating being fixedly connected for hardness between the other component of shell, it is also more convenient to dismount, in disassembly process also not
The functional module on chip circuit plate can be damaged.It is clamped between the upper surface of convex edge and the upper surface of chip circuit plate and is formed simultaneously
Step-like structure, after limit plate is resisted against on clamping convex edge, the side of limit plate can be resisted against the edge of chip circuit plate, from
And positioning further can be realized in the horizontal direction to chip circuit plate, so that when design, the width of circuit board entirety
The opposite dot that can be done, so that grafting can be convenient for there are certain gap between clamping convex edge and the bottom wall of slot one, from
And further improve the convenience of dismounting.
In above-mentioned wireless data terminal structure, the fixed part includes card one and card two, one He of card
Limited bayonet is formed between card two, the power supply is arranged in limited bayonet and is resisted against on card one and card two, described
Also there is the baffle towards the projecting inward setting of limited bayonet, the baffle is resisted against the power supply on card one and/or card two
Upper end.Card one and card two be sheet have it is certain can deformation elasticity, power supply is set up directly in limited bayonet, power supply
Lateral surface compressed by card one and card two, to realize the positioning in horizontal direction, while card one and/or card two
On baffle be resisted against the upper end of power supply again, realize the positioning on vertical direction, stability is good, while but also power supply is installed
Also there is no rigid to be fixedly connected between shell after being located on shell, dismounts enhanced convenience, while battery and chip
Circuit board is horizontally spaced distribution, between each other again there is no intersect and overlapping, can independent disassembling, assembling and replacing, be convenient for
Maintenance, reduces the cost of maintenance.
In above-mentioned wireless data terminal structure, the fixed part has two groups, and two cards one are close to fixed plate
Middle part setting, two cards two are arranged respectively close to the two sides of fixed plate, and the upper end edge of the fixed plate also has two protrusions
The connection sheet of setting, two connection sheets are close to the setting of the two sides of fixed plate and protrusion direction and the limit plate phase of the connection sheet
Instead, the card two is fixedly connected with the connection sheet, and sliding plug is distinguished after two slots two in the two sides edge of the fixed plate,
The connection sheet is resisted against the edge of corresponding slot two and is fixed by fastener, the bottom wall of the lower end surface of fixed plate and shell it
Between have gap.Generally, the power supply of wireless data terminal structure is battery, while the design for the piece that is cooperatively connected, so that fixed
Plate is directly anchored to mounting rack upper end, so that operation is more convenient.The setting in gap simultaneously, is also convenient for cabling, so that entire shell
Intracorporal configuration more rational and orderly.
In above-mentioned wireless data terminal structure, the upper surface of the limit plate and connection sheet with the fixed plate
Upper surface flushes.By above-mentioned design, so that fixed plate can directly integral production form, convenient for production.
In above-mentioned wireless data terminal structure, the lower end of the chip circuit plate has resigning breach.Chip electricity
After road plate is plugged on slot one, the bottom wall of lower end and shell is against upper end and limit plate are against positioning rear stability is preferably simultaneously
By the design of resigning breach, gap is formd between resigning breach and the bottom wall of shell, is convenient for cabling, so that in entire shell
Configuration more rational and orderly.
In above-mentioned wireless data terminal structure, the shell includes lower casing, upper cover and pressure ring in a ring, under described
Shell is open at one end, circumferentially has the annular gear edge of protrusion on the periphery wall of the upper cover, and the lower end surface on annular gear edge is opened
Equipped with annular groove, sealing ring is embedded in the annular groove, the upper end of the pressure ring has inwardly projecting annular shoulder block, described
Pressure ring is arranged on the cover and the annular shoulder block is resisted against the annular gear along upper, and the lower end of the upper cover is protruded into described
In lower casing, and the pressure ring is threadedly coupled the opening edge that the annular gear is resisted against to the lower casing along compression with the lower casing
Edge, the both ends of the sealing ring are pressed on respectively on the bottom wall of annular groove and the opening edge of the lower casing is along upper.Wireless data is whole
End is usually to use in field, and humid environment is severe, therefore, moisture-proof and antifouling into most important.It stretches the lower end of upper cover
Enter into lower casing, and cooperate the design on annular gear edge, then annular gear keeps off edge in annular again along the opening edge edge for being resisted against lower casing
Upper setting annular groove, annular groove is interior to be arranged sealing ring, and is compressed by pressure ring, so that sealing ring occurs elastic deformation and tightly compresses
On the opening edge edge of lower casing, sealing performance is preferable, can be good at realizing moisture-proof and antifouling effect, to reduce failure
Rate.
In above-mentioned wireless data terminal structure, also has on the card two and upwardly extend card adapter plate, the baffle
Protrusion is arranged in the inside plate face of the card adapter plate, and also protrusion is provided with fixture block in the outside plate face of the card adapter plate, described
Tight fit is connected between fixture block and the inner wall of the lower casing after the lower casing is protruded into the lower end of upper cover, and the fixture block is located at clamping
The upper end of the plate and fixture block mutually staggers in the vertical direction with baffle.By the way that the clamping upwardly extended is arranged on card two
Plate is provided with fixture block in card adapter plate, and the lower end tight fit of upper cover is connected between fixture block and the inner wall of lower casing, so that under upper cover
End outer wall can keep fitting closely between the inner wall of lower casing, further increase the effect of sealing, can preferably realize
Moisture-proof and antifouling effect, to reduce failure rate.And the lower end tight fit of upper cover is connected to the interior of fixture block and lower casing
Between wall, so that being not susceptible to the rotation in circumferential direction between upper cover and lower casing, the abrasion of sealing ring is reduced, guarantees the effect of sealing
Fruit.Meanwhile after the lower end tight fit of upper cover is connected between fixture block and the inner wall of lower casing, the lower end of upper cover has one to card adapter plate
A power to internal pressure, so that the upper end of card adapter plate has trend that is subtle inside and bending downward, so that being located at card
Baffle on the inside of fishplate bar also has the trend of a pushing, so that limit plate is pressed on the upper end of power supply, so that after power supply positioning
Stability is more preferable.
In above-mentioned wireless data terminal structure, there is inclined set between the upper surface and lateral surface of the fixture block
The guide surface set.The design of guide surface, so that the insertion of upper cover lower end is more convenient.
In above-mentioned wireless data terminal structure, the opening edge of the lower casing also has the ring of setting protruding upward
Shape convex edge, the annular convex edge can be embedded in the annular groove and be pressed on sealing ring.It is convex along being arranged in the opening edge of lower casing
Annular convex edge out, and in annular convex edge insertion annular groove, the gap path between upper cover and lower casing is changed, makes it in curved
Shape is rolled over, rainwater is reduced and dirt enters probability in lower casing, while the structure of sealing ring being cooperated to design again, so as to thorough
Completely cut off rainwater and dirt enters, can be good at realizing moisture-proof and antifouling effect, to reduce failure rate.
In above-mentioned wireless data terminal structure, the mounting rack includes mounting bar one and mounting bar two, the installation
Item one and mounting bar two are each attached on the inner wall of shell, and the slot one is provided on the mounting bar one, the mounting bar
One and mounting bar two be spaced apart and formed between the two above-mentioned slot two, the upper end of the mounting bar one is located at inserting groove one
Opening edge also has the convex block of setting protruding upward, and also correspondence opens up fluted, the pressure on the lower end surface of the upper cover
Ring is threadedly coupled the annular gear along the opening edge for being resisted against the lower casing is compressed after with the lower casing, and the convex block can
It is inserted into corresponding groove.By the design of convex block and groove, the circumferential limit between upper cover and lower casing can be further realized,
So that it will not occur mutually to rotate, to avoid the abrasion of sealing ring, the effect of sealing is further ensured, failure is reduced
Rate, to reduce maintenance cost.
In above-mentioned wireless data terminal structure, the groove includes crossing and deep trouth section, the crossing and depth
Step groove is formed between slot section, the pressure ring is threadedly coupled with the lower casing is resisted against the lower casing along compression for the annular gear
Opening edge along after, the convex block is inserted into deep trouth section.It is step groove by groove design, crossing is used to install transition,
So that groove is whole bigger, installation alignment is easily facilitated, when installation, so that being then rotated further by upper cover makes in convex block insertion groove
It obtains convex block to be resisted against on the side wall of deep trouth section, then tightens pressure ring, upper cover is pressed on lower casing, sealing ring is compressed generation bullet
Property deformation, convex block, which is inserted into deep trouth section, realizes positioning, realize between upper cover and lower casing it is circumferential limit, so that it will not occur mutually
Rotation, to avoid the abrasion of sealing ring, further ensures the effect of sealing, reduces failure rate, to reduce maintenance
Cost.
Compared with prior art, this wireless data terminal structure has the advantage that
1, it is dismounted also more between chip circuit plate and the other component of shell also without generating being fixedly connected for hardness
It is convenient, the functional module on chip circuit plate will not be damaged in disassembly process.
2, power supply and chip circuit plate are distributed along the horizontal direction of shell, between the two without dry on vertical space
It relates to, it is more reasonable to be laid out, and chip circuit plate is also immobilized in the shell simply by the mode of simple sliding plug, from
And the generation of the failures such as short circuit is largely reduced, meanwhile, independent disassembling, assembling and replacing is only needed after failure, dismounting is more
Also enhanced convenience is changed, the cost of maintenance is reduced.
3, the lower end tight fit of upper cover is connected between fixture block and the inner wall of lower casing, so that being not easy to send out between upper cover and lower casing
Rotation in raw circumferential direction, reduces the abrasion of sealing ring, guarantees the effect of sealing, meanwhile, the lower end of upper cover has card adapter plate
One power to internal pressure, so that the upper end of card adapter plate has trend that is subtle inside and bending downward, so that being located at
Baffle on the inside of card adapter plate also has the trend of a pushing, so that limit plate is pressed on the upper end of power supply, so that power supply positions
Rear stability is more preferable.
4, by the design of convex block and groove, the circumferential limit between upper cover and lower casing can be further realized, makes it not
It can occur mutually to rotate, to avoid the abrasion of sealing ring, further ensure the effect of sealing, reduce failure rate, thus
Reduce maintenance cost.
Detailed description of the invention
Fig. 1 is the perspective view of this wireless data terminal structure.
Fig. 2 is the mounting structure perspective view inside lower casing.
Fig. 3 is the perspective view of lower casing.
Fig. 4 is the cross-sectional view of this wireless data terminal structure.
Fig. 5 is the enlarged drawing in Fig. 4 at A.
Fig. 6 is the three-dimensional structure diagram of fixed plate.
Fig. 7 is the schematic perspective view of chip circuit plate.
Fig. 8 is the three-dimensional structure diagram of upper cover.
In figure, 1, shell；1a, lower casing；1a1, annular convex edge；1b, upper cover；1b1, annular gear edge；1b2, annular groove；1b3,
Groove；1c, pressure ring；1c1, annular shoulder block；2, power supply；3, chip circuit plate；3a, clamping convex edge；3b, resigning breach；4, it installs
Frame；4a, mounting bar one；4a1, convex block；4b, mounting bar two；4c, slot one；4d, slot two；5, fixed plate；5a, limit plate；
5b, card one；5c, card two；5d, limited bayonet；5e, baffle；5f, connection sheet；5g, fixture block；6, fastener；7, sealing ring.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in figures 1-8, this wireless data terminal structure including shell 1, the power supply being arranged in shell 12 and is used for
Data sampling and by the data of sampling by being wirelessly transmitted to the chip circuit plate 3 of data service platform, shell 1 in the present embodiment
It is cylindrical.
Specifically, as shown in Figures 4 and 5, pressure ring 1c, lower casing 1a mono- of the shell 1 including lower casing 1a, upper cover 1b and in a ring
End opening circumferentially has on the periphery wall of upper cover 1b the annular gear of protrusion along 1b1.Wireless data terminal structure is usually out of office
Outer use, humid environment is severe, and moisture-proof and antifouling entrance is most important, and therefore, annular gear is offered along the lower end surface of 1b1
Sealing ring 7 is embedded in annular groove 1b2, annular groove 1b2.The opening edge of lower casing 1a has the convex annular of setting protruding upward
Along 1a1, the lower end of upper cover 1b is protruded into lower casing 1a and annular convex edge 1a1 can be embedded in annular groove 1b2 and be pressed on sealing ring 7
On, the gap path between upper cover 1b and lower casing 1a is changed, makes it in a several fonts, reduces under rainwater and dirt entrance
Probability in shell 1a, while the structure of sealing ring 7 being cooperated to design again, enter so as to thoroughly completely cut off rainwater and dirt, it can
Moisture-proof and antifouling effect is realized well, to reduce failure rate.The upper end of pressure ring 1c has inwardly projecting annular
Shoulder block 1c1, pressure ring 1c are set on upper cover 1b and annular shoulder block 1c1 is resisted against annular gear along 1b1, pressure ring 1c and lower casing 1a spiral shell
Annular gear is compressed the opening edge edge for being resisted against lower casing 1a by line connection along 1b1.
As shown in Figures 2 and 3, mounting rack 4 is also symmetrically arranged on the two sides inner wall of shell 1, mounting rack 4 includes mounting bar one
4a and mounting bar two 4b, one 4a of mounting bar and two 4b of mounting bar are each attached on the inner wall of shell 1.It is offered on one 4a of mounting bar
One 4c of slot, one 4a of mounting bar and two 4b of mounting bar are spaced apart and form two 4d of slot between the two.The two of chip circuit plate 3
Side is formed step-like along clamping convex edge 3a is all had between the upper surface of clamping convex edge 3a and the upper surface of chip circuit plate 3
Structure is clamped convex edge 3a sliding plug in corresponding one 4c of slot and is clamped the upper surface of convex edge 3a with corresponding one 4c's of slot
It is flushed through end edge edge.It is additionally provided with fixed plate 5 in lower casing 1a, has in the side plate face opposite with chip circuit plate 3 in fixed plate 5
There are the fixed part for positioning power supply 2, the limit plate 5a with two protrusion settings in another lateral plates, the two sides of fixed plate 5
It is fixedly connected in two slots, two 4d and through fastener 6 and the upper end of mounting rack 4 along sliding plug respectively, the end of two limit plate 5a
Portion extends to the upper surface of corresponding one 4c of slot run through end top and be resisted against clamping convex edge 3a respectively.Power supply 2 and chip circuit
Plate 3 is distributed along the horizontal direction of shell 1, is not interfered on vertical space between the two, and it is more reasonable to be laid out, and
Chip circuit plate 3 is also fixed in shell 1 simply by the mode of simple sliding plug, to largely reduce short
The generation of the failures such as road, meanwhile, only need independent disassembling, assembling and replacing after failure, disassembling, assembling and replacing also enhanced convenience reduces
The cost of maintenance.
It further says, as shown in fig. 7, the lower end of chip circuit plate 3 has resigning breach 3b, resigning breach 3b and shell
Gap is formd between the bottom wall of body 1, is convenient for cabling, so that the configuration more rational and orderly in entire shell 1.
As shown in figs. 3 and 8, the opening edge that the upper end of one 4a of mounting bar is located at inserting groove one also has protruding upward set
The convex block 4a1 set.Also corresponding on the lower end surface of upper cover 1b to open up fluted 1b3, groove 1b3 includes crossing and deep trouth section, shallowly
Step groove is formed between slot section and deep trouth section, crossing, so that groove 1b3 is whole bigger, easily facilitates peace for installing transition
Dress alignment, when installation, so that being then rotated further by upper cover 1b in convex block 4a1 insertion groove 1b3 and convex block 4a1 being made to be resisted against deep trouth
Section side wall on, then tighten pressure ring 1c, pressure ring 1c and lower casing 1a is threadedly coupled by annular keep off along 1b1 compress be resisted against lower casing 1a
Opening edge after, convex block 4a1 is inserted into deep trouth section, circumferential limit is realized between upper cover 1b and lower casing 1a, so that it will not
Mutually rotation occurs, to avoid the abrasion of sealing ring 7, further ensures the effect of sealing, reduces failure rate, to drop
Low maintenance cost.
Furthermore, as seen in figs, fixed part includes two 5c of one 5b of card and card, one 5b of card and card
Two 5c be sheet have it is certain can deformation elasticity, form limited bayonet 5d between two 5c of one 5b of card and card, power supply 2 is set
It sets in limited bayonet 5d and is resisted against on two 5c of one 5b of card and card, realize the positioning in horizontal direction.One 5b of card
And/or it also is resisted against the upper end of power supply 2 with the baffle 5e towards the projecting inward setting of limited bayonet 5d, baffle 5e on two 5c of card,
The positioning on vertical direction is realized, stability is good, while but also power supply 2 is installed after being located on shell 1 between shell 1
Also being fixedly connected there is no hardness dismounts enhanced convenience.In the present embodiment, baffle 5e is provided on two 5c of card.
Fixed part have two groups, two one 5b of card close to fixed plate 5 middle part be arranged, two two 5c of card respectively close to
The two sides of fixed plate 5 are arranged.The connection sheet 5f, two connection sheet 5f that also there are two protrusions to be arranged at the upper end edge of fixed plate 5 are close
The two sides of fixed plate 5 are arranged and the protrusion direction of connection sheet 5f and the limit plate 5a are on the contrary, limit plate 5a and connection sheet 5f
Upper surface is flushed with the upper surface of fixed plate 5.Two 5c of card and connection sheet 5f is fixedly connected with, and the two sides of fixed plate 5 are along respectively
After two slots, two 4d, connection sheet 5f is resisted against the edge of corresponding two 4d of slot and is fixed by fastener 6, fixed for sliding plug
There is gap between the lower end surface of plate 5 and the bottom wall of shell 1, be convenient for cabling, so that the configuration in entire shell 1 is more
Rational and orderly.In the present embodiment, power supply 2 is battery, and fastener 6 is screw.
Also have on two 5c of card and upwardly extend card adapter plate, baffle 5e protrusion is arranged in the inside plate face of card adapter plate, blocks
Also protrusion is provided with fixture block 5g in the outside plate face of fishplate bar, has between the upper surface and lateral surface of fixture block 5g and is inclined to set
Guide surface, tight fit is connected between fixture block 5g and the inner wall of lower casing 1a after lower casing 1a is protruded into the lower end of upper cover 1b so that on
The lower end outer wall of lid 1b can keep fitting closely between the inner wall of lower casing 1a, further increase the effect of sealing, can
Moisture-proof and antifouling effect is preferably realized, to reduce failure rate.Fixture block 5g is located at the upper end of card adapter plate and fixture block 5g
It being mutually staggered in the vertical direction with baffle 5e, the lower end of upper cover 1b has the power to internal pressure to card adapter plate, so that
The upper end of card adapter plate has trend that is subtle inside and bending downward, so that the baffle 5e being located on the inside of card adapter plate also has
The trend of one pushing, so that limit plate 5a is pressed on the upper end of power supply 2, so that the positioning rear stability of power supply 2 is more preferable.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of wireless data terminal structure is adopted including shell (1), the power supply (2) being arranged in shell (1) and for data
Sample and by the data of sampling by being wirelessly transmitted to the chip circuit plate (3) of data service platform, which is characterized in that the shell
(1) it is also symmetrically arranged on two sides inner wall mounting rack (4), the axial direction offered on the mounting rack (4) along shell (1) is set
The slot one (4c) and slot two (4d) of mounting rack (4) upper end are set and run through, the two sides of the chip circuit plate (3) are along respectively
It is plugged in two slots one (4c) and there is gap between the lower end of the chip circuit plate (3) and the bottom wall of shell (1), it is described
It is additionally provided with fixed plate (5) in shell (1), has in the fixed plate (5) the side plate face opposite with chip circuit plate (3) and be used for
The fixed part for positioning power supply (2), the limit plates (5a) with two protrusion settings in another lateral plates, the two of the fixed plate (5)
Side edge is plugged in two slots two (4d) respectively and is fixedly connected with by fastener (6) and the upper end of mounting rack (4), two limit plates
The end of (5a) extends to respectively holds top running through for corresponding slot one (4c).
2. wireless data terminal structure according to claim 1, which is characterized in that the two sides of the chip circuit plate (3)
Edge all has clamping convex edge (3a), shape between the upper surface of clamping convex edge (3a) and the upper surface of chip circuit plate (3)
Stepped structure, clamping convex edge (3a) sliding plug interior and described clamping convex edge (3a) in corresponding slot one (4c)
Upper surface is flushed with corresponding slot one (4c) through end edge edge, and the limit plate (5a) is resisted against the upper end of clamping convex edge (3a)
Face.
3. wireless data terminal structure according to claim 1 or 2, which is characterized in that the fixed part includes card one
(5b) and card two (5c), forms limited bayonet (5d) between the card one (5b) and card two (5c), and the power supply (2) sets
It sets in limited bayonet (5d) and is resisted against on card one (5b) and card two (5c), the card one (5b) and/or card two
Also there is the baffle (5e) towards limited bayonet (5d) projecting inward setting, the baffle (5e) is resisted against the power supply (2) on (5c)
Upper end.
4. wireless data terminal structure according to claim 3, which is characterized in that the fixed part has two groups, two
Card one (5b) is arranged close to the middle part of fixed plate (5), and two cards two (5c) are arranged respectively close to the two sides of fixed plate (5),
The connection sheet (5f) that also there are two protrusions to be arranged at the upper end edge of the fixed plate (5), two connection sheets (5f) are close to fixed plate (5)
Two sides setting and the connection sheet (5f) protrusion direction with the limit plate (5a) on the contrary, the card two (5c) with it is described
Connection sheet (5f) is fixedly connected with, and sliding plug is after two slots two (4d) respectively on the two sides edge of the fixed plate (5), the connection
Piece (5f) is resisted against the edge of corresponding slot two (4d) and, the lower end surface of fixed plate (5) and shell fixed by fastener (6)
(1) there is gap between bottom wall.
5. wireless data terminal structure according to claim 1 or 2, which is characterized in that under the chip circuit plate (3)
End has resigning breach (3b).
6. wireless data terminal structure according to claim 4, which is characterized in that the shell (1) include lower casing (1a),
Upper cover (1b) and pressure ring (1c) in a ring, the lower casing (1a) is open at one end, on the periphery wall of the upper cover (1b) circumferentially
Annular gear with protrusion offers annular groove (1b2), the annular groove along the lower end surface of (1b1) along (1b1), the annular gear
It is embedded with sealing ring (7) in (1b2), the upper end of the pressure ring (1c) has inwardly projecting annular shoulder block (1c1), the pressure ring
(1c) is set on the upper cover (1b) and the annular shoulder block (1c1) is resisted against the annular gear on (1b1), the upper cover
The lower end of (1b) is protruded into the lower casing (1a), and the pressure ring (1c) is threadedly coupled the annular gear with the lower casing (1a)
The opening edge edge for being resisted against the lower casing (1a) is compressed along (1b1), the both ends of the sealing ring (7) are pressed on annular groove respectively
On the bottom wall of (1b2) and the opening edge of the lower casing (1a) is along upper.
7. wireless data terminal structure according to claim 6, which is characterized in that on the card two (5c) also have to
Upper extension card adapter plate, baffle (5e) protrusion are arranged in the inside plate face of the card adapter plate, the outer panel of the card adapter plate
Also protrusion is provided with fixture block (5g) on face, and the lower casing (1a) is protruded into the lower end of the upper cover (1b), and tight fit is connected to fixture block afterwards
Between (5g) and the inner wall of the lower casing (1a), the fixture block (5g) is located at the upper end of card adapter plate and the fixture block (5g) and baffle
(5e) is mutually staggered in the vertical direction.
8. wireless data terminal structure according to claim 7, which is characterized in that the opening edge of the lower casing (1a)
Also with the annular convex edge (1a1) of setting protruding upward, it is interior that the annular convex edge (1a1) can be embedded in the annular groove (1b2)
It is pressed on sealing ring (7).
9. wireless data terminal structure according to claim 8, which is characterized in that the mounting rack (4) includes mounting bar
One (4a) and mounting bar two (4b), the mounting bar one (4a) and mounting bar two (4b) are each attached on the inner wall of shell (1), institute
Slot one (4c) is stated to be provided on the mounting bar one (4a), the mounting bar one (4a) and mounting bar two (4b) be spaced apart and
Above-mentioned slot two (4d) is formed between the two, and the opening edge that the upper end of the mounting bar one (4a) is located at inserting groove one also has
There is the convex block (4a1) of setting protruding upward, also correspondence opens up fluted (1b3), the pressure on the lower end surface of the upper cover (1b)
Ring (1c) is threadedly coupled the opening edge for compressing the annular gear along (1b1) and being resisted against the lower casing (1a) with the lower casing (1a)
After, the convex block (4a1) is inserted into corresponding groove (1b3).
10. wireless data terminal structure according to claim 9, which is characterized in that the groove (1b3) includes crossing
With deep trouth section, step groove is formed between the crossing and deep trouth section, the pressure ring (1c) is threadedly coupled with the lower casing (1a)
The annular gear is compressed into the opening edge for being resisted against the lower casing (1a) after along (1b1), the convex block (4a1) is inserted into depth
In slot section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910502857.6A CN110166067B (en) | 2019-06-11 | 2019-06-11 | Wireless data terminal structure |
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|---|---|---|---|
| CN201910502857.6A CN110166067B (en) | 2019-06-11 | 2019-06-11 | Wireless data terminal structure |
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| CN110166067B CN110166067B (en) | 2024-01-26 |
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Cited By (1)
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|---|---|---|---|---|
| CN113037312A (en) * | 2021-02-25 | 2021-06-25 | 福建宝锋电子有限公司 | Plug-in card formula chip mounting structure of intercom |
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| CN110166067B (en) | 2024-01-26 |
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