CN107991458A - System is protected with methane detection alarming instrument shell in the colliery that can adapt to adverse circumstances - Google Patents
System is protected with methane detection alarming instrument shell in the colliery that can adapt to adverse circumstances Download PDFInfo
- Publication number
- CN107991458A CN107991458A CN201711435545.5A CN201711435545A CN107991458A CN 107991458 A CN107991458 A CN 107991458A CN 201711435545 A CN201711435545 A CN 201711435545A CN 107991458 A CN107991458 A CN 107991458A
- Authority
- CN
- China
- Prior art keywords
- front housing
- shell
- rear shell
- adapt
- colliery
- Prior art date
- 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.)
- Pending
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 230000002411 adverse Effects 0.000 title claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 16
- 239000000523 sample Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses the colliery methane detection alarming instrument shell that can adapt to adverse circumstances to protect system, including front housing and rear shell, multiple studs are carried on the front housing, with identical with front housing upper stud in the rear shell, the tapped through hole that shape is coincide, the front housing is linked together with rear shell by stud and tapped through hole, flexible glue is provided between the front housing and rear shell, the flexible glue is arranged on front housing and the faying face of rear shell, and it is molded into the seal groove of front housing, realize the waterproof between front housing and rear shell, it is dust-proof, gap is excessive between the front housing and rear shell of solution shell easily intakes into dust, the problem of causing internal circuit to damage.
Description
Technical field
The present invention relates to a kind of shell protection of alarm, and in particular to is examined with methane in the colliery that can adapt to adverse circumstances
Survey alarm shell protection system.
Background technology
Current colliery methane detection alarming instrument, in order to control the cost of product, its shell mainly uses plastic shell,
But most product can only all accomplish the degree of protection of IP54, and under the special environment of coal mine roadway, dust concentration is high, humidity
Greatly, equipment water drenching scene also happens occasionally, and the alarm of IP54 degree of protection cannot meet the requirement of onsite application, it is not
The main performance of foot part is as follows, and shell is designed using ABS or PC, does not have any seal approach between shell, because shell hardness
Larger, faying face out-of-flatness, causes between shell there are gap, can not effective water proof and dust proof, equipment charge interface, using circle
3.5mm or miniUSB charging interfaces, there are gap between charging interface and shell, can not effective water proof and dust proof, while this connect
Mouth also suffers from Mine Dust blocking, leads to not charge, if cleared up using instrument, while labor intensive, and cleaning
Effect is also undesirable, display window, by the way of patch overlay or plastic plate, meets that operating personnel observe display content,
But the mode that glue is pasted, after the lower long-time use of different temperatures change, glue aging causes occur gap between shell,
At least water inlet, into dirt, it is serious when overlay or plastic plate come off, directly influence the normal use of product, buzzer, spy
There are gap between head and shell, without safeguard procedures, can not effective water proof and dust proof, it is overall to use hard material, anti-drop
The problems such as energy is poor, and alarm is easy to product casing damage occur after falling, and internal circuit damages.
The content of the invention
The colliery methane detection alarming instrument shell that can adapt to adverse circumstances present invention aims at offer protects system,
Gap excessive the problem of easily intaking into dust, cause internal circuit to damage between the front housing and rear shell of solution shell.
The present invention is achieved through the following technical solutions：
System, including front housing and rear shell, institute are protected with methane detection alarming instrument shell in the colliery that can adapt to adverse circumstances
State and multiple studs are carried on front housing, tapped through hole that shape coincide, described before identical with front housing upper stud is carried in the rear shell
Shell is linked together with rear shell by stud and tapped through hole, and flexible glue is provided between the front housing and rear shell, and the flexible glue is set
Put on front housing and the faying face of rear shell, and be molded into the seal groove of front housing.
For the present invention since alarm needs circuit board, sensor probe being installed on inside alarm, alarm is whole
Body is designed using front housing with rear shell two parts, the stud of 6 M3 is embedded on front housing during injection, using 6 M3
Screw drop rear shell be fixed with front housing, while the screw mounting hole in rear shell is blocked with rubber stopper, it can be ensured that screw hole
Sealing effect.And the faying face of rear shell and front housing, using it is secondary it is encapsulated by the way of, allow flexible glue to be directly injection-moulded in the seal groove of front housing
In, when rear shell is screwed with front housing, the hard faying face of rear shell is directly born against on the flexible glue in front housing seal groove, real
The waterproof and dustproof between front housing and rear shell is showed, gap is excessive between solution front housing and rear shell easily intakes into dust, causes interior
The problem of portion's circuit damage.
Further, charge port is further included, the charge port is hardware, and the hardware is set using Shooting Technique
Put the inner bottom in front housing.It ensure that and not have any gap between charging interface and shell, external charging seat only needs
Pass through a hard contact with spring and charging metal pieces into contact, it is possible to complete the charging of alarm, while nickel plating
Processing also ensure that the corrosion resistance of charging contact.
Further, display window is also carried on the front housing, the display window is arranged on the middle position of shell, described aobvious
Show that window is molded using PC materials, while mirror finish processing has been carried out on the position of display window, mould.Due to display window
It is to need very strong translucency, therefore in the material selection of front housing injection, is molded using high transparency PC materials, while
The position of display window, has carried out mirror finish processing on grinding tool, both ensure that the transparency of display window, also solved display window portion
The problem of water proof and dust proof divided.
Further, the colliery is with further including buzzer and probe, the buzzer, probe in methane detection alarming instrument
The rubber seal that hardness is 50 degree is added between shell.Buzzer and probe belong to single component in itself, material compared with
Firmly, if between shell directly in conjunction with and install, the bad situation of water proof and dust proof effect unavoidably occurs, in order to solve
This problem, adds the rubber seal that hardness is 50 degree between buzzer, probe and shell, realizes buzzer, probe
Combining closely between shell, prevents the entrance of extraneous steam and dust.
Further, the outside of the front housing and rear shell is provided with flexible glue, and the soft rubber encapsulated is outer front housing and rear shell
Portion.In order to ensure alarm has a preferable anti-drop, front housing and rear shell are all designed using quadric injection mould, respectively to front housing and
Rear shell is once molded using PC and ABS material, and material hardness is preferable, it is ensured that the intensity of shell, then before PC materials
The injection of secondary TPE flexible glues is carried out in the rear shell of shell and ABS, is so formed one layer of flexible glue protection in case surface, when going out
When now falling situation, flexible glue has certain cushioning effect, has both avoided Housing failure caused by falling process, while it subtracts
While slow dropping shock power, it is therefore prevented that the damage of the component such as internal circuit board.
Compared with prior art, the present invention have the following advantages and advantages：
1st, the present invention can adapt to the colliery methane detection alarming instrument shell protection system of adverse circumstances, solve shell
Gap excessive the problem of easily intaking into dust, cause internal circuit to damage between front housing and rear shell；
2nd, the present invention can adapt to the collieries of adverse circumstances and protect system with methane detection alarming instrument shell, charging interface with
There is no any gap between shell, charge port corrosion resistance is strong；
3rd, the present invention can adapt to the colliery methane detection alarming instrument shell protection system of adverse circumstances, and hardness is strong, bag
After flexible glue, resilience is good, and display window is using transparent PC materials and front housing integrated molding, completely isolated exterior steam and powder
Dirt, being deposited between buzzer, probe and shell prevents sealing ring, realizes water proof and dust proof.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is front casing structure schematic diagram of the present invention；
Fig. 2 is back cover structure schematic diagram of the present invention；
Fig. 3 is shell mechanism schematic diagram of the present invention.
Mark and corresponding parts title in attached drawing：
1- front housings, 2- rear shells, 3- studs, 4- tapped through holes, 5- flexible glues, 6- charging metalworks, 7- display windows.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figure 1, 2, 3, the colliery that the present invention can adapt to adverse circumstances is with the protection of methane detection alarming instrument shell
System, including front housing 1 and rear shell 2 carry multiple studs 3 on the front housing 1, in the rear shell 2 with and 1 upper stud of front housing, 3 phase
Together, the tapped through hole 4 that shape is coincide, the front housing 1 is linked together with rear shell 2 by stud 3 and tapped through hole 4, before described
Flexible glue is provided between shell 1 and rear shell 2, the flexible glue 5 is arranged on front housing 1 and the faying face of rear shell 2, and is molded into front housing
In seal groove, charge port is further included, the charge port is hardware 6, before the hardware 6 is arranged on using Shooting Technique
The inner bottom of shell 1, also carries display window 7 on the front housing 1, the display window 7 is arranged on the middle position of shell 1, described
Display window 7 is molded using PC materials, while mirror finish processing has been carried out on the position of display window 7, mould, the coal
Buzzer and probe are further included in mining methane detection alarming instrument, adding hardness between the buzzer, probe and shell is
50 degree of rubber seal, the front housing 1 and the outside of rear shell 1 are provided with flexible glue 5, and the flexible glue 5 is wrapped in front housing 1 and rear shell
2 outside.
Invention is since alarm needs circuit board, sensor probe being installed on inside alarm, report
Warn instrument to be integrally designed with 2 two parts of rear shell using front housing 1, be embedded in the stud 3 of 6 M3 on front housing 1 during injection,
It is fixed using the screw drop rear shell of 6 M3 with front housing, while the screw mounting hole in rear shell is blocked with rubber stopper, it can be ensured that
The sealing effect of tapped through hole 4.And the faying face of rear shell 1 and front housing 2, using it is encapsulated it is secondary it is encapsulated by the way of, make flexible glue 5 direct
It is moulded in the seal groove of front housing, when rear shell 2 and front housing are fixed with 1 screw, before the hard faying face of rear shell 2 is directly born against
On flexible glue 5 in 1 seal groove of shell, the waterproof and dustproof between front housing 1 and rear shell 2 is realized, solves the front housing 1 and rear shell 2 of shell
Between gap excessive easily the problem of intaking into dust, causing internal circuit to damage, charging interface, individually designed first one is filled
Electric metal part 6, and nickel plating surface processing is carried out, the technical process kind being then molded, is directly put into injection mould by charging hardware part
In tool, integrated molding is carried out with front housing 1, after the completion of Shooting Technique, charging metalwork 6 is just embedded into front housing 1, it is ensured that
Any gap is not had between charging interface and shell, external charging seat is only needed by a hard contact for carrying spring
With the metal pieces into contact that charges, it is possible to complete the charging of alarm, while the processing of nickel plating also ensure that the corrosion resistant of charging contact
Corrosion, the protection Design of display window 7, is that complete integration, so ensures that the directly design of display window 7 in front housing 1
The problem of not having any independent faying face between display window 7 and front housing 1, completely solving protection, but because display window 7 is to need
Translucency that will be very strong, therefore in the material selection that front housing 1 is molded, be molded using high transparency PC materials, while aobvious
Show the position of window 7, carried out mirror finish processing on grinding tool, both ensure that the transparency of display window 7, also solved display window 7
The problem of partial water proof and dust proof, in order to ensure alarm has preferable anti-drop, front housing 1 and rear shell 2 are all using secondary
Injection design, is respectively once molded front housing 1 and rear shell 2 using PC and ABS material, material hardness is preferable, it is ensured that shell
Intensity, the injection of secondary TPE flexible glues is then carried out on the front housing 1 of PC materials and the rear shell 2 of ABS, so in case surface
One layer of flexible glue protection is formed, when there is falling situation, flexible glue has certain cushioning effect, both avoids falling process
In caused by Housing failure, while while it slows down dropping shock power, it is therefore prevented that the damage of the component such as internal circuit board.
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect further
Describe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all include
Within protection scope of the present invention.
Claims (5)
1. system is protected in the colliery that can adapt to adverse circumstances with methane detection alarming instrument shell, it is characterised in that including front housing
(1) and rear shell (2) multiple studs (3), are carried on the front housing (1), are carried on the rear shell (2) and front housing (1) upper stud (3)
Tapped through hole (4) identical, that shape is coincide, the front housing (1) are connected to rear shell (2) by stud (3) and tapped through hole (4)
Together, flexible glue is provided between the front housing (1) and rear shell (2), the flexible glue (5) is arranged on the knot of front housing (1) and rear shell (2)
On conjunction face, and it is molded into the seal groove of front housing.
2. system is protected in the colliery according to claim 1 that can adapt to adverse circumstances with methane detection alarming instrument shell,
It is characterized in that, further including charge port, the charge port is charging metalwork (6), and the charging metalwork (6) is using injection work
Skill is arranged on the inner bottom of front housing (1).
3. system is protected in the colliery according to claim 1 that can adapt to adverse circumstances with methane detection alarming instrument shell,
It is characterized in that, also carrying display window (7) on the front housing (1), the display window (7) is arranged on the middle position of shell (1),
The display window (7) is molded using PC materials, while has been carried out on the position of display window (7), mould at mirror finish
Reason.
4. system is protected in the colliery according to claim 1 that can adapt to adverse circumstances with methane detection alarming instrument shell,
It is characterized in that, the colliery is with further including buzzer and probe, the buzzer, probe and shell in methane detection alarming instrument
Between to add hardness be 50 degree of rubber seal.
5. system is protected in the colliery according to claim 1 that can adapt to adverse circumstances with methane detection alarming instrument shell,
It is characterized in that, the outside of the front housing (1) and rear shell (1) is provided with flexible glue (5), the flexible glue (5) be wrapped in front housing (1) with
The outside of rear shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711435545.5A CN107991458A (en) | 2017-12-26 | 2017-12-26 | System is protected with methane detection alarming instrument shell in the colliery that can adapt to adverse circumstances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711435545.5A CN107991458A (en) | 2017-12-26 | 2017-12-26 | System is protected with methane detection alarming instrument shell in the colliery that can adapt to adverse circumstances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107991458A true CN107991458A (en) | 2018-05-04 |
Family
ID=62042878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711435545.5A Pending CN107991458A (en) | 2017-12-26 | 2017-12-26 | System is protected with methane detection alarming instrument shell in the colliery that can adapt to adverse circumstances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107991458A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366064A (en) * | 2020-02-18 | 2020-07-03 | 天地科技股份有限公司 | Surrounding rock movement sensing device |
| CN113375705A (en) * | 2021-06-03 | 2021-09-10 | 上海索迪龙自动化有限公司 | Protection structure of groove type photoelectric sensor |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514413U (en) * | 2009-09-24 | 2010-06-23 | 北京索福特安全防护设备有限公司 | Portable gas detector |
| CN101915123A (en) * | 2010-07-23 | 2010-12-15 | 淮南润成科技有限公司 | Water and dust proof low-concentration methane sensor |
| CN201892659U (en) * | 2010-09-09 | 2011-07-06 | 北京凌天世纪自动化技术有限公司 | Infrared methane alarm instrument |
| CN203423717U (en) * | 2013-07-02 | 2014-02-05 | 嘉超 | Waterproof, shakeproof and dustproof large-screen intelligent mobile phone |
| CN103780726A (en) * | 2014-01-10 | 2014-05-07 | 深圳市宝尔爱迪科技有限公司 | Three-proofing structure and mobile phone using same |
| CN203630111U (en) * | 2013-11-21 | 2014-06-04 | 淮南市松江电子有限责任公司 | Methane sensor |
| CN204424512U (en) * | 2015-04-01 | 2015-06-24 | 领亚电子科技股份有限公司 | A kind of step charging plug |
| CN204882512U (en) * | 2015-08-05 | 2015-12-16 | 深圳市南油诺安电子有限公司 | Portable multi -gas detector |
| CN205025503U (en) * | 2015-08-18 | 2016-02-10 | 扬州东江矿用器材有限公司 | Methane detection alarm casing with waterproof jube |
| CN205140160U (en) * | 2015-11-19 | 2016-04-06 | 合肥泰蓝电子科技有限公司 | Compound gas detection instrument |
| CN205159652U (en) * | 2015-12-07 | 2016-04-13 | 陈积木 | Locking high security cell -phone mouth that charges that moves |
| CN206062415U (en) * | 2016-08-12 | 2017-04-05 | 比亚迪股份有限公司 | Portable electronic products |
| CN206077517U (en) * | 2016-10-10 | 2017-04-05 | 中山市飞鱼五金科技有限公司 | A kind of mobile phone protecting case with interface conversion function |
-
2017
- 2017-12-26 CN CN201711435545.5A patent/CN107991458A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514413U (en) * | 2009-09-24 | 2010-06-23 | 北京索福特安全防护设备有限公司 | Portable gas detector |
| CN101915123A (en) * | 2010-07-23 | 2010-12-15 | 淮南润成科技有限公司 | Water and dust proof low-concentration methane sensor |
| CN201892659U (en) * | 2010-09-09 | 2011-07-06 | 北京凌天世纪自动化技术有限公司 | Infrared methane alarm instrument |
| CN203423717U (en) * | 2013-07-02 | 2014-02-05 | 嘉超 | Waterproof, shakeproof and dustproof large-screen intelligent mobile phone |
| CN203630111U (en) * | 2013-11-21 | 2014-06-04 | 淮南市松江电子有限责任公司 | Methane sensor |
| CN103780726A (en) * | 2014-01-10 | 2014-05-07 | 深圳市宝尔爱迪科技有限公司 | Three-proofing structure and mobile phone using same |
| CN204424512U (en) * | 2015-04-01 | 2015-06-24 | 领亚电子科技股份有限公司 | A kind of step charging plug |
| CN204882512U (en) * | 2015-08-05 | 2015-12-16 | 深圳市南油诺安电子有限公司 | Portable multi -gas detector |
| CN205025503U (en) * | 2015-08-18 | 2016-02-10 | 扬州东江矿用器材有限公司 | Methane detection alarm casing with waterproof jube |
| CN205140160U (en) * | 2015-11-19 | 2016-04-06 | 合肥泰蓝电子科技有限公司 | Compound gas detection instrument |
| CN205159652U (en) * | 2015-12-07 | 2016-04-13 | 陈积木 | Locking high security cell -phone mouth that charges that moves |
| CN206062415U (en) * | 2016-08-12 | 2017-04-05 | 比亚迪股份有限公司 | Portable electronic products |
| CN206077517U (en) * | 2016-10-10 | 2017-04-05 | 中山市飞鱼五金科技有限公司 | A kind of mobile phone protecting case with interface conversion function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366064A (en) * | 2020-02-18 | 2020-07-03 | 天地科技股份有限公司 | Surrounding rock movement sensing device |
| CN113375705A (en) * | 2021-06-03 | 2021-09-10 | 上海索迪龙自动化有限公司 | Protection structure of groove type photoelectric sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105792579B (en) | Shell and wearable electronic device using same | |
| CN103887669B (en) | Adapter structure | |
| EP2651105B1 (en) | Portable terminal with waterproof cover | |
| US9668555B2 (en) | Water resistant protective device case | |
| CN107991458A (en) | System is protected with methane detection alarming instrument shell in the colliery that can adapt to adverse circumstances | |
| US20180235096A1 (en) | Electronic device and electronic device terminal cover | |
| CN201994505U (en) | Waterproof structure of USB (universal serial bus) socket of digital equipment | |
| US9780417B2 (en) | System and method for increasing operational time of an electronic device | |
| CN107734221B (en) | Physical shielding camera module structure | |
| CN211860240U (en) | Formula cell-phone shell is inhaled to magnetism | |
| CN205353592U (en) | Waterproof type children intelligence wrist -watch | |
| CN103369896B (en) | The external structure of outdoor electronic device | |
| CN104742979A (en) | Charging port cabin door assembly and automobile and equipment with charging device | |
| CN205070011U (en) | Waterproof dustproof connector socket subassembly | |
| CN207052024U (en) | A kind of card-type kilowatt-hour meter case | |
| CN205784925U (en) | A kind of Waterproof digital display slide gauge | |
| CN109600693A (en) | A kind of waterproof osteoacusis bluetooth headset | |
| CN205017745U (en) | Novel waterproof structure | |
| CN110333759A (en) | The component of handheld computer terminals shell | |
| CN205319418U (en) | Flip formula socket that charges | |
| CN215072594U (en) | Multifunctional recording device | |
| CN112492159A (en) | High-sensitivity single-police law enforcement audio/video recorder | |
| CN205847793U (en) | A kind of shell structure of crime scene investigation device | |
| CN207665353U (en) | A kind of duty instrument protective shell | |
| CN202603103U (en) | An automobile controller housing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180504 |