CN202041272U - Dust prevention device for mainboard of electronic scale - Google Patents
Dust prevention device for mainboard of electronic scale Download PDFInfo
- Publication number
- CN202041272U CN202041272U CN2011201154140U CN201120115414U CN202041272U CN 202041272 U CN202041272 U CN 202041272U CN 2011201154140 U CN2011201154140 U CN 2011201154140U CN 201120115414 U CN201120115414 U CN 201120115414U CN 202041272 U CN202041272 U CN 202041272U
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- CN
- China
- Prior art keywords
- mainboard
- frame
- circuit
- snapping
- enclosure frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a dust prevention device of a mainboard of an electronic scale, which comprises an enclosure frame and a dust prevention cover. The enclosure frame is disposed on a bottom plate, the dust prevention cover is covered on the enclosure frame, inner cavities of the enclosure frame and the dust prevention cover form a mainboard holding cavity, and mainboard line penetrating openings are on the enclosure frame or on the dust prevention cover or at covering positions of the enclosure frame and the dust prevention cover. The dust prevention device for the mainboard of the electronic scale has the advantages that 1, the mainboard is disposed in the mainboard holding cavity inside the enclosure frame and a cover body by means of matching the enclosure frame with the cover body, lines penetrate through the enclosure frame or the cover body or space between the enclosure frame and the cover body, the purpose of preventing dust is realized, and the stability of the mainboard is improved, 2, the line penetrating openings form circuitous channels by the aid of a circuit holding plate, and dust prevention effect is further enhanced, 3, the enclosure frame is stably combined with the cover body in a covered manner by means of matching connecting lugs with connecting portions and matching fastening portions with fastening walls, and 4, the enclosure frame is disposed on the bottom plate, the bottom frame and the enclosure frame are integrated structurally by means of injection molding, and firmness is improved.
Description
Technical field
The utility model relates to a kind of electronic scales mainboard dust guard, by enclosing the cooperation of frame and lid, mainboard is built in encloses in the mainboard container cavity of frame and lid formation, prevent that the accumulation of dust and impurity from covering on the circuit main board, cause main plate short, influence its heat radiation, to improve the stability in use of mainboard.
Background technology
Existing application is installed on the electronic scales housing in the mainboard open ground of electronic scales, in use, dust, impurity are piled up in mainboard easily, cause heat radiation difficulty, produce corrosion (when creeping or its excreta destruction that mainboard is formed) to destroy as insects such as cockroaches, influence the stability in use of mainboard, even directly destroy the operate as normal of mainboard.And, be fixed on the electronic scales base plate by web member between the mainboard, when web member send, influence the stability of mainboard easily.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above that prior art exists and a kind of electronic scales mainboard dust guard that provides, on base plate, be provided with and enclose frame, by enclosing the cooperation of frame and lid, mainboard is built in encloses in the mainboard container cavity of frame and lid formation, lead then from enclose frame or lid or enclose frame and lid between pass, reach the dustproof purpose, improve the stability in use of mainboard.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: electronic scales mainboard dust guard, it is characterized in that comprising the frame that encloses that is arranged on the base plate, cover at the dust cap that encloses on the frame, the described inner chamber that encloses frame and dust cap forms the mainboard container cavity, describedly encloses frame or dust cap or encloses frame and the place of covering of dust cap is provided with the mainboard circuit and interts mouth.Enclose and cover lid on the frame, mainboard is built in the mainboard container cavity, circuit then from enclose frame or lid or enclose frame and lid between pass, avoid the exposed area of mainboard, even the mainboard circuit interts and mouthful inner chamber is in communication with the outside, because mouthful size of interting is less usually, at first can avoid insect to climb into inner chamber, secondly, the dust that enters inner chamber is less, basically can reach the purpose of dustproof, anti-short circuit, improve the stability in use of mainboard.
As the further of technique scheme improved and replenish, the utility model adopts following technical measures: the described frame that encloses is provided with epirelief in the snapping wall that encloses frame bottom plate, snapping portion on the described dust cap sidewall and snapping wall snapping.Snapping portion and snapping wall snapping help improving lid and enclosing the stability that frame cooperates, and prevent that left-right and front-back from moving.
Described mainboard circuit is arranged on the snapping wall for interspersed mouthful, on the interspersed mouth of this mainboard circuit circuit is set and bears plate, described circuit bears the thickness of plate thickness less than the snapping wall, described circuit bears the width of plate and the width of the interspersed mouth of this mainboard circuit adapts, and described circuit bears the height of the height of plate less than interspersed mouthful of this mainboard circuit.Circuit bears the setting of plate, makes the interspersed mouthful tunnel-shaped of mainboard circuit become circuitous channel, and straight-through shape opening helps the further purpose of dustproof, the anti-foreign material of raising.
Described circuit bearing plate comprises main carrier and secondary carrier, and the height of described secondary carrier and thickness are all less than described main carrier height and thickness.Mainboard comprises conventional line and sensor line, the wire sizes that the mainboard upper sensor connects is big than other most of wire sizes on the mainboard, therefore, height, the thickness of secondary carrier that is used to accept sensor line is all less, interspersed mouthful of this part circuit of Xing Chenging is bigger like this, makes things convenient for sensor line to intert smoothly.
The described frame that encloses is provided with the connecting portion that extends to the snapping wall outside, and the sidewall of described dust cap is provided with engaging lug, and described engaging lug is connected by web member with connecting portion.Engaging lug is the lug of evagination in the dust cap sidewall, and engaging lug is connected by web member with connecting portion, helps preventing lid and enclosing the stability that the frame above-below direction cooperates.
Described snapping portion is the stepped snapping frame that forms on the dust cap sidewall.The setting of spacing platform avoids dust cap to cover the position, and size supplies circuit to intert to help making the interspersed mouth of mainboard circuit to have enough.
Described connecting portion is provided with reinforcement.Be used to strengthen the intensity of enclosing frame bottom plate at connecting portion place, make to connect reliably.
Described dust cap is the indent formula lid with vertical perisporium.Can increase with respect to flat dust cap and to hold cavity and to improve dustproof, protection against insect effect, also help the heat radiation of circuit main board.
The beneficial effect that the utlity model has: 1, by enclosing the cooperation of frame and lid, mainboard is built in enclose in the mainboard container cavity in frame and the lid, circuit then from enclose frame or lid or enclose frame and lid between pass, reach the dustproof purpose, improve the stability of mainboard.2, the circuit setting that bears plate makes the mainboard circuit intert the interruption-forming circuitous channel, further improves dustproof effect.3, cooperating of engaging lug and connecting portion, the cooperation of snapping portion and snapping wall makes and encloses frame and lid covers stable.4, spacing platform is provided with to be beneficial to and the mainboard circuit is interted mouthful keep enough big or small opening.5, on base plate, be provided with and enclose frame,, make base plate and enclose shaped as frame into a single integrated structure, improve firmness by injection mo(u)lding.
Description of drawings
Fig. 1 is a kind of blast structural representation of the present utility model.
Fig. 2 is a kind of assembly structure synoptic diagram of the present utility model.
Fig. 3 is the perspective view of lid in the utility model (covering mouth up).
Fig. 4 is a kind of structural representation that partly cuts open of the utility model.
Fig. 5 is the structure for amplifying synoptic diagram of K part among Fig. 4.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: electronic scales mainboard dust guard comprises being arranged on and encloses frame 1 on the base plate, cover in that to enclose this dust cap of dust cap 2(on the frame 1 be indent formula lid with vertical perisporium), enclose frame 1 and cover the inner mainboard container cavity 3 that forms, enclose frame 1 or dust cap 2 or enclose frame 1 and dust cap 2 places of covering are provided with the mainboard circuit and intert mouth 4 with dust cap 2.As illustrated in figs. 1 and 2, the mainboard circuit interts and mouthfuls 4 to be arranged on and to enclose frame 1 and dust cap 2 covers the place.The mainboard circuit is arranged on other places for interspersed mouthful 4, and those skilled in the art can respond voluntarily according to the description of present patent application, in order to save space the elliptical structure synoptic diagram.Above-mentioned this base plate that mentions is an electronic scales pedestal base plate, encloses frame and base plate integrative-structure, injection mo(u)lding, sound construction.
As Fig. 1, Fig. 3-shown in Figure 5, enclose frame 1 and be provided with epirelief in the snapping wall 5 that encloses frame bottom plate and be set in place the connecting portion 6 on the frame bottom plate of enclosing in snapping wall 5 outsides, the sidewall of dust cap 2 is provided with engaging lug 7, engaging lug 7 and connecting portion 6 are by web member 12(such as screw) be connected snapping portion 8 and snapping wall 5 snappings on dust cap 2 sidewalls.In addition, in order to strengthen the intensity of enclosing frame bottom plate at connecting portion place, also be provided with reinforcement 15 on the connecting portion 6.
As Fig. 1, Fig. 3-shown in Figure 5, the mainboard circuit interts and mouthfuls 4 is arranged on and encloses frame 1 and dust cap 2 covers the place.Wherein, when the printed line road is arranged on the snapping wall 5 for interspersed mouthful 4, on the interspersed mouth 4 of this mainboard circuit circuit is set and bears plate 9, circuit bears the thickness of plate 9 thickness less than snapping wall 5, circuit bears the width of plate 9 and the width of the interspersed mouth 4 of this mainboard circuit adapts, and circuit bears the height of the height of plate 9 less than the interspersed mouth 4 of this mainboard circuit.In order to make each circuit 14(such as the sensor line on the mainboard) can pass for interspersed mouthful 4 from the mainboard circuit smoothly, circuit bearing plate 9 comprises main carrier 10 and secondary carrier 11, and the height of secondary carrier 11 and thickness are all less than the height and the thickness of described main carrier 10.
In addition, in each snapping process or in use, snap onto the stationkeeping of enclosing on the frame all the time, make the constancy of volume of mainboard container cavity in order to make lid, make the big or small constant of the interspersed mouth 4 of mainboard circuit, snapping portion 8 is the stepped snapping frame 16 that forms on the dust cap sidewall 2.
During use, mainboard 13 is built in the mainboard container cavity, the circuit on the mainboard is made in order, is shelved on the circuit bearing plate, and pass for interspersed mouthful 4 from the mainboard circuit, covers lid then, screws web member (screw) and gets final product, and reaching dustproof anti-effect.
Claims (10)
1. electronic scales mainboard dust guard, it is characterized in that comprising being arranged on and enclose frame (1) on the base plate, cover at the dust cap (2) that encloses on the frame (1), the described inner chamber that encloses frame (1) and dust cap (2) forms mainboard container cavity (3), describedly encloses frame (1) or dust cap (2) or encloses frame (1) and the place of covering of dust cap (2) is provided with the interspersed mouth of mainboard circuit (4).
2. electronic scales mainboard dust guard according to claim 1 is characterized in that the described frame (1) that encloses is provided with epirelief in the snapping wall (5) that encloses frame bottom plate, snapping portion (8) on described dust cap (2) sidewall and snapping wall (5) snapping.
3. electronic scales mainboard dust guard according to claim 2, it is characterized in that described mainboard circuit interspersed mouthful (4) is arranged on the snapping wall (5), on this mainboard circuit interspersed mouthful (4) circuit is set and bears plate (9), described circuit bears the thickness of plate (9) thickness less than snapping wall (5), described circuit bears the width of plate (9) and the width of this mainboard circuit interspersed mouthful (4) adapts, and described circuit bears the height of the height of plate (9) less than this mainboard circuit interspersed mouthful (4).
4. electronic scales mainboard dust guard according to claim 3, it is characterized in that described circuit bearing plate (9) comprises main carrier (10) and secondary carrier (11), the height of described secondary carrier (11) and thickness are all less than described main carrier (10) height and thickness.
5. according to optional described electronic scales mainboard dust guard among the claim 2-4, it is characterized in that the described frame (1) that encloses is provided with the connecting portion (6) that extends to snapping wall (5) outside, the sidewall of described dust cap (2) is provided with engaging lug (7), and described engaging lug (7) is connected by web member (12) with connecting portion (6).
6. according to optional described electronic scales mainboard dust guard among the claim 2-4, it is characterized in that the stepped snapping frame (16) that described snapping portion (8) upward forms for dust cap sidewall (2).
7. electronic scales mainboard dust guard according to claim 5 is characterized in that the stepped snapping frame (16) that described snapping portion (8) upward forms for dust cap sidewall (2).
8. electronic scales mainboard dust guard according to claim 5 is characterized in that described connecting portion (6) is provided with reinforcement (15).
9. electronic scales mainboard dust guard according to claim 6 is characterized in that described connecting portion (6) is provided with reinforcement (15).
10. electronic scales mainboard dust guard according to claim 1 is characterized in that described dust cap (2) is the indent formula lid with vertical perisporium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201154140U CN202041272U (en) | 2011-04-19 | 2011-04-19 | Dust prevention device for mainboard of electronic scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201154140U CN202041272U (en) | 2011-04-19 | 2011-04-19 | Dust prevention device for mainboard of electronic scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202041272U true CN202041272U (en) | 2011-11-16 |
Family
ID=44968710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201154140U Expired - Lifetime CN202041272U (en) | 2011-04-19 | 2011-04-19 | Dust prevention device for mainboard of electronic scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202041272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547448A (en) * | 2015-11-30 | 2016-05-04 | 蚌埠大洋传感系统工程有限公司 | Waterproof and dustproof display instrument with easy heat radiation for weighing sensor |
-
2011
- 2011-04-19 CN CN2011201154140U patent/CN202041272U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547448A (en) * | 2015-11-30 | 2016-05-04 | 蚌埠大洋传感系统工程有限公司 | Waterproof and dustproof display instrument with easy heat radiation for weighing sensor |
| CN105547448B (en) * | 2015-11-30 | 2018-06-08 | 蚌埠大洋传感系统工程有限公司 | A kind of weighing sensor is easy to the display instrument of heat dissipation with water proof and dust proof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |
|
| CX01 | Expiry of patent term |