CN209608638U - A kind of wireless data terminal structure - Google Patents

Abstract

The utility model provides a kind of wireless data terminal structure, belongs 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

A kind of wireless data terminal structure

Technical field

The utility model belongs to field of mechanical technique, is 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 this utility model is the presence of the above problem in view of the prior art, proposes a kind of wireless data terminal knot Structure reduces maintenance the technical problem to be solved by the utility model is to how to improve the reasonability of layout and the convenience of dismounting Cost.

The purpose of this utility model can be realized by the following technical scheme: a kind of wireless data terminal structure, including shell Body is arranged at the intracorporal power supply of shell and for data sampling and by the data of sampling by being wirelessly transmitted to data service platform Chip circuit plate, which is characterized in that be also symmetrically arranged with mounting rack on the two sides inner wall of the shell, opened on the mounting rack Equipped with the slot one and slot two for being arranged along the axial direction of the housing and running through mounting rack upper end, the two sides of the chip circuit plate There is gap, the shell between the bottom wall of lower end and shell for being plugged on the interior and described chip circuit plate of two slots one respectively It is inside additionally provided with fixed plate, there is the fixation for positioning power supply in the fixed plate side plate face opposite with chip circuit plate Portion, the limit plates with two protrusion settings in another lateral plates, the two sides of the fixed plate along being plugged on two slots two respectively It is interior and be fixedly connected with by the upper end of fastener and mounting rack, the end of two limit plates extend to respectively corresponding slot one on end Side.

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

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model 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.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application 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.