CN208297061U - A kind of detection jig and detection device - Google Patents
A kind of detection jig and detection device Download PDFInfo
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- CN208297061U CN208297061U CN201820588755.1U CN201820588755U CN208297061U CN 208297061 U CN208297061 U CN 208297061U CN 201820588755 U CN201820588755 U CN 201820588755U CN 208297061 U CN208297061 U CN 208297061U
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Abstract
The utility model relates to detection technique fields, disclose a kind of detection jig, the substrate for the watertightness detection of electronic product, including briquetting and for carrying product to be detected；Wherein, the briquetting is equipped with air flue；A sealing element is equipped at the air intake of the air flue；The sealing element is hollow structure, and the part of the sealing element and the product to be detected will form a cavity when fitting closely between the product to be detected, and the cavity is connected with the air flue；The substrate is equipped with the positioning region for positioning the product to be detected.The utility model embodiment also provides a kind of detection device using the detection jig, and the detection device includes power device, pressure test device and the detection jig.The structure of detection jig and detection device provided by the embodiment of the utility model is simple, can treat the watertightness of testing product part is detected.
Description
Technical field
The utility model relates to the watertightness detection technical fields of the part of electronic product, and in particular to a kind of detection jig
And detection device.
Background technique
In order to realize more scenes use of electronic product and promote Product Usability and durability, often electronics is produced
Product propose the quality requirements such as waterproof and dustproof, antifouling.
Instantly dust-proof, waterproof the grade or standard of product are all identified on all multi-products, this requires manufacturers to electricity
Sub- product carries out corresponding protective capacities detection, for example, now more popular electronic product-tablet computer, tablet computer are normal
The watertightness detection seen just includes external tapping watertightness detection, loudspeaker and microphone watertightness detection, the inspection of camera watertightness
Survey, connection gap watertightness detection etc..
Existing tablet computer watertightness detection equipment is held generally by the way that tablet computer to be placed in vacuum tank toward vacuum
Water filling in device, see whether to generate bubble or bubbles volume number tablet computer watertightness is assessed, this detection
Equipment average physique is larger, and structure is complicated.The detection process of this detection device is relatively complicated, is also easy to keep watertightness bad
Tablet computer is intake and is damaged, so can only often take the watertightness of the form sampling observation part tablet computer of proportional sampling, no
The watertightness of all tablet computers can be detected, and also be only used for the watertightness detection of tablet computer entirety, it cannot
The watertightness detection of part for tablet computer.
Utility model content
In order to solve the above technical problems, the utility model embodiment provides that a kind of structure is simple, can treat testing product
The detection jig and detection device that the watertightness of part is detected.
On the one hand, the utility model embodiment provides a kind of detection jig, for the watertightness detection of electronic product, packet
Include briquetting and the substrate for carrying product to be detected；
Wherein, the briquetting is equipped with air flue；
A sealing element is equipped at the air intake of the air flue；
The sealing element is hollow structure, and the part of the sealing element and the product to be detected will be with institute when fitting closely
It states and forms cavity described in a cavity between product to be detected and be connected with the air flue；
The substrate is equipped with the positioning region for positioning the product to be detected.
Further, annular groove is equipped at the air intake；
The sealing element is sealing ring compatible with the annular groove；
The sealing ring is embedded in the annular groove, and the sealing loop section protrudes from the annular groove.
Further, one end of the sealing element protrudes from air intake, and the other end extends to described across the air intake
In air flue.
As a kind of optinal plan of the utility model embodiment, the positioning region includes several around the production to be detected
The locating piece of product.
As the alternative dispensing means of the utility model embodiment, the positioning region is locating slot, the production to be detected
Grade is in the locating slot.
Further, the empty avoiding that empty avoiding is carried out for treating the irregular bottom surface of testing product is additionally provided in the locating slot
Portion.
On the other hand, the utility model also provides a kind of detection device, including power device, pressure test device and institute
The detection jig stated；
Wherein, the power device makes the part of the sealing element Yu the product to be detected for moving the briquetting
Mutually it is adjacent to；
The pressure test device is used to detach the air pressure in the air and the detection air flue in the air flue.
Further, it is equipped with the pumping matched with the pressure test device at the gas outlet of the air flue and connects mouth.
Compared with the prior art, detection jig provided by the embodiment of the utility model has the advantages that
By setting an air flue for airflow channel on briquetting, then the close of a hollow structure is set at the air intake of air flue
Sealing makes air flue, sealing element and product to be detected by being mutually adjacent to form sealing between sealing element and the part of product to be detected
Part between form a seal cavity, can be by detecting the gas by after being detached the air in the air flue and forming negative pressure
Air pressure change situation in road judges the air-tightness of the part of the product to be measured, and then equally judges the office of the product to be measured
The watertightness in portion.The structure of entire jig is simple, and the watertightness that can treat the part of testing product is detected.
Detailed description of the invention
Fig. 1 is the first cross-sectional view of detection jig provided by the embodiment of the utility model；
Fig. 2 is the second cross-sectional view of detection jig provided by the embodiment of the utility model；
Fig. 3 is the overall structure diagram of detection jig provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of substrate provided by the embodiment of the utility model and product to be detected；
Fig. 5 is the third cross-sectional view of detection jig provided by the embodiment of the utility model.
Description of symbols:
1- briquetting；
11- air flue；
111- air intake；
The gas outlet 112-
12- sealing element；
13- annular groove；
14- pumping connects mouth；
The positioning region 21-；
211- locating piece；
212- empty avoiding portion.
Specific embodiment
The utility model is described comprehensively below with reference to relevant drawings for the ease of understanding the utility model,.It is attached
The preferred embodiment of the utility model is given in figure.But the utility model can be realized there are many different form, and
It is not limited to embodiment described herein.On the contrary, the purpose for being supplied to these embodiments is the disclosure made to the utility model
The understanding of content is more thorough and comprehensive.
Unless otherwise defined, the skill of technical and scientific term used herein and the technical field for belonging to the utility model
The normally understood meaning of art personnel is identical.It is used in the description of the utility model herein to belong to then for description tool
The purpose of the embodiment of body, it is not intended that in limitation the utility model.
A kind of detection jig is present embodiments provided, it is in the present embodiment, to be checked for the watertightness detection of electronic product
Surveying product is common electronic product, such as tablet computer, communication terminal, intelligent wearable device etc., the detection jig master
The watertightness for being used to treat the part of testing product is detected, and the part of product to be measured refers mainly to the zero of product surface to be measured
Component joining place or external interface or opening etc. for installing microphone, loudspeaker.Refering to fig. 1, shadow region in figure
It is shown product casing to be detected, the detection jig includes briquetting 1 and the substrate 2 for carrying product to be detected；Wherein,
Briquetting 1 is equipped with air flue 11；Air flue 11 includes air intake 111 and gas outlet 112, and air intake 111 and the correspondence of gas outlet 112 are located at
The both ends of briquetting 1.A sealing element 12 is equipped at the air intake 111 of air flue 11；Sealing element 12 be hollow structure, sealing element 12 with to
The part of testing product will form a cavity between product to be detected when fitting closely, the cavity is connected with the air flue 11
It is logical；Substrate 2 is equipped with the positioning region 21 for positioning product to be detected.
When treating testing product progress watertightness detection using detection jig provided in this embodiment, product to be detected passes through
Positioning region 21 on substrate 2 positions, and between substrate 2 or positioning region 21 relative motion does not occur for product to be detected.To be checked
When surveying product progress watertightness detection, one end on briquetting 1 where air intake 111 is treated testing product from top to down and is squeezed
Pressure, making sealing element 12, deformation occurs, and the lower surface of sealing element 12 and the Local Phase of product to be measured are adjacent to, the part of product to be measured,
A seal cavity is constituted between sealing element 12 and air flue 11, and the air in air flue 11 is detached by gas outlet 112 makes
Negative pressure and pressure stabilizing (no longer detaching air, air pressure is maintained in a fixed value) are formed in air flue 11 after a period of time, detect gas
Air pressure change in road 11, it can be inferred that the part of the product to be measured is airtight if the air pressure in air flue 11 starts to gradually rise
Property is bad, also just equally judges that the local watertightness of the product to be measured is bad；If the air pressure in air flue 11 substantially remains in
As soon as fixed value or variation are smaller then it can be inferred that the local air-tightness of the product to be measured is preferable, also equally judge this to
The local watertightness for surveying product is preferable.It is this equally to judge and then the air-tightness of the part to product to be measured detects
The mode of the watertightness of the part of product, not only gets rid of the labyrinth of conventional device for detecting water tightness or equipment, it is expensive at
This, it is thus also avoided that the Complicated Flow taken when conventional watertightness detection improves the efficiency of watertightness detection；It also solves simultaneously
Conventional detection apparatus can only detect product entirety watertightness, and the watertightness of the part of product cannot be detected
Problem.
In the present embodiment, the sealing element 12 at air intake 111 is hollow elastic component, below with outer on tablet computer
The working principle of the detection jig is illustrated for the watertightness detection of joining place between shell and camera: sealing element
12 face the camera on tablet computer, and briquetting 1 applies pressure to the shell of tablet computer from top to down, send out sealing element 12
Raw elastic deformation, sealing element 12 cover the joining place between the camera and shell and camera of tablet computer completely, and with
The shell of tablet computer is adjacent to completely.After the air in air flue 11 is detached by gas outlet 112, if panel computer shell with take the photograph
As being connected to obtain defective tightness between head, then air or outside air in tablet computer will necessarily by panel computer shell with
Joining place between camera sequentially enters in sealing element 12 and air flue 11, and the air pressure level in air flue 11 will change,
And if be connected very close between panel computer shell and camera, corresponding, the air pressure being pulled out in the air flue 11 of air
Intensity can be maintained at a constant level, so can correspond to judgement tablet computer by the air pressure change in detection air flue 11
The air-tightness of joining place between shell and camera, and then equally judge being connected between panel computer shell and camera
The watertightness at place.Sealing element 12 can be by rubber, silica gel etc. have elasticity sealing material be made, shapes and sizes need
Satisfaction can cover all the part of the product to be measured, and can pass through extruding between the part of the product to be measured
It is adjacent to completely.
With continued reference to Fig. 1, in the present embodiment, annular groove 13 is additionally provided at air intake 111；Sealing element 12 be and the annular groove
13 compatible sealing rings；Sealing ring is embedded in the annular groove 13, and the sealing loop section protrudes from the annular groove 13.Tool
Body, the diameter of annular groove 13 is greater than the bore of air intake 111, and the diameter of sealing ring is slightly less than the diameter of annular groove 13, sealing ring position
Annular groove 13 is protruded from in annular groove 13 and part.When carrying out watertightness detection to product to be measured, sealing ring protrudes from annular groove 13
The Local Phase of part and product to be measured is squeezed and is adjacent to completely, and the part that sealing ring protrudes from annular groove 13 gets rid of the limit of annular groove 13
System, than the deformation space for having part ownership bigger being located in annular groove 13, make sealing ring protrude from the part of annular groove 13 with it is to be detected
Energy abundant deformation when product squeezes, and fitted closely with product to be detected, form sealing.Annular groove 13 and corresponding sealing
The shape and size of ring can be designed according to the shape and size of the part of product to be measured, relatively flexibly, while be also compatible with
The watertightness detection of a variety of different parts of same product different parts to be detected and a variety of products to be detected.
Fig. 2 is further regarded to, in some embodiments, one end of the sealing element 12 in previous embodiment protrudes from air intake
111, the other end passes through the air intake 111 and extends in the air flue 11.Optionally, air intake 111 is passed through on sealing element 12
The one end extended in air flue 11 is also extend at gas outlet 112, the inner surface configuration of air flue 11 and sealing element 12 it is outer
Surface shape is adapted, and the outer surface of sealing element 12 is mutually adjacent to the inner surface of air flue 11, protrudes from air intake in sealing element 12
When the Local Phase of 111 one end and product to be measured squeezes, the part that sealing element 12 is located in air flue 11 is not susceptible to deformation, sealing
Seal cavity is formed between part 12 and the part of product to be measured, after vacuumizing by gas outlet 112 to the seal cavity, detection should
The intracorporal air pressure change of seal chamber can correspond to the air-tightness for judging the part of product to be measured, and then equally judge product to be measured
The watertightness of part.
Fig. 3 is further regarded to, in some embodiments, the positioning region 21 is determined including several around product to be detected
Position block 211.Specifically, needing the office by briquetting 1 to product to be detected when the part for treating testing product carries out watertightness detection
Portion is squeezed, and makes to be adjacent between sealing element 12 and the part of product to be detected, forms sealing.It is to be detected in during the test
Any movement cannot occur for product, cause being adjacent to not close and making outside air between sealing element 12 and product to be detected on one side
It enters in the air flue 11 being evacuated, influences the detection for treating testing product part watertightness, therefore need to production to be detected
Product are wholly or partially fixedly positioning.Locating piece 211 is located at the surrounding of product to be detected, and supports product to be detected
Product to be detected is securely located on substrate by edge, is avoided product to be detected and is displaced during the test, it is ensured that
The reliability of testing result.
Fig. 4 is further regarded to, in further embodiments, the positioning region 21 is locating slot, and product to be detected is located at
In locating slot.Specifically, the shapes and sizes of locating slot are adapted with the shapes and sizes of product to be detected, product to be detected
Partially or wholly it is located in locating slot, and relative motion does not occur between locating slot.
With continued reference to Fig. 4, be additionally provided in other embodiments, in locating slot for treat the irregular bottom surface of testing product into
The empty avoiding portion 212 of row empty avoiding.When product to be detected is located in locating slot, the bottom surface of product to be detected is directly contacted with locating slot；
When the bottom surface of product to be detected is irregular bottom surface, when the bottom surface of product especially to be detected has downwardly projecting feature,
It needs to carry out the protruding feature to keep away position, so that product to be detected can be securely positioned in locating slot, briquetting 1 is to product to be measured
When being squeezed, product to be detected will not in locating slot wobble effects testing result.By taking tablet computer dorsal shield as an example, plate electricity
It is typically provided the hole location passed through for camera on the dorsal shield of brain, after camera is assembled on dorsal shield, needs to tablet computer dorsal shield
The watertightness of joining place is tested between camera；Because tablet computer dorsal shield has four downward projection of seamed edges, therefore
It also needs to be designed for the groove that four downward projection of seamed edges keep away position in locating slot, determines so that tablet computer dorsal shield is placed in
Four downward projection of seamed edges are not forced when in the slot of position, are avoided tablet computer dorsal shield and are damaged during watertightness detection,
Also ensure the accuracy of watertightness detection.
In addition, further regarding to Fig. 5, the utility model embodiment also provides a kind of detection device, including power device (figure
Do not show), pressure test device (not shown) and above-mentioned detection jig；Power device makes the sealing for moving briquetting 1
Part 12 and the Local Phase of the product to be detected are adjacent to；Pressure test device is used to detach air and detection gas in air flue 11
Air pressure in road 11.Specifically, part of the sealing element 12 under the action of power device with product to be detected on briquetting 1 is affixed
Tightly, the air in air flue 11 is detached by pressure test device outward, is made after forming negative pressure in air flue 11, pressure test device
Carrying out pressure stabilizing to air flue 11 makes air flue 11 reach vacuum state, is detected in air flue 11 by pressure test device after a period of time
Air pressure size judge the air-tightness of the part of the product to be measured if it is obvious to detect that air pressure in air flue 11 rises
Bad, the watertightness of the corresponding part for equally judging the product to be measured is bad；If detecting air pressure in air flue 11 not
There is obvious rising, then judges that the air-tightness of the part of the product to be measured is preferable, correspondence equally judges the product to be measured
Part watertightness it is preferable；The amplitude of variation of air pressure in air flue 11 can also be detected by pressure test device to correspond to simultaneously
Obtain the tightness class and watertightness grade of the part of product to be measured.In some embodiments, be additionally provided at gas outlet 112 with
The pumping that pressure test device matches connects mouth 14, and pumping connects mouth 14 and gas outlet 112 is tightly connected.Pumping connects mouth 14 and facilitates
It establishes and is tightly connected between pressure test device and gas outlet 112.The construction and working principle of the detection jig are in above-mentioned reality
Oriented detailed description in example is applied, is not repeated again herein.
Compared with the prior art, detection jig and detection device provided by the embodiment of the utility model have following progress:
By setting an air flue 11 for airflow channel on briquetting 1, then at the air intake 111 of air flue 11 to set one hollow
The sealing element 12 of structure makes air flue 11, sealing by being mutually adjacent to form sealing between sealing element 12 and the part of product to be detected
A seal cavity is formed between part 12 and the part of product to be detected, by detaching the air in the air flue 11 to form negative pressure
Afterwards, the air-tightness of the part of the product to be measured can be judged by detecting the air pressure change in the air flue 11, and then equally
Judge the watertightness of the part of the product to be measured.The structure of entire jig is simple, and can treat the watertight of the part of testing product
Property is detected.
The utility model is not limited to the above-described embodiment and examples, other any spirit without departing from the utility model
Essence with principle under the changes, modifications, substitutions, combinations, simplifications done, should be equivalent substitute mode, be all considered as include
It is within the protection scope of the utility model.
Claims (8)
1. a kind of detection jig, the watertightness detection for electronic product, which is characterized in that including briquetting (1) and for holding
Carry the substrate (2) of product to be detected；
Wherein, the briquetting (1) is equipped with air flue (11)；
A sealing element (12) are equipped at the air intake (111) of the air flue (11)；
The sealing element (12) is hollow structure, and the sealing element (12) and the part of the product to be detected will when fitting closely
A cavity is formed between the product to be detected, the cavity is connected with the air flue (11)；
The substrate (2) is equipped with the positioning region (21) for positioning the product to be detected.
2. detection jig as described in claim 1, which is characterized in that be equipped with annular groove (13) at the air intake (111)；
The sealing element (12) is compatible sealing ring with the annular groove (13)；
The sealing ring is embedded in the annular groove (13), and the sealing loop section protrudes from the annular groove (13).
3. detection jig as described in claim 1, which is characterized in that one end of the sealing element (12) protrudes from air intake
(111), the other end passes through the air intake (111) and extends in the air flue (11).
4. detection jig as described in claim 1, which is characterized in that the positioning region (21) includes several around described to be checked
Survey the locating piece (211) of product.
5. detection jig as described in claim 1, which is characterized in that the positioning region (21) is locating slot, described to be detected
Product is located in the locating slot.
6. detection jig as claimed in claim 5, which is characterized in that be additionally provided in the locating slot for treating testing product
Irregular bottom surface carries out the empty avoiding portion of empty avoiding.
7. a kind of detection device, which is characterized in that including any one of power device, pressure test device and claim 1 to 6
The detection jig；
Wherein, the power device makes the office of the sealing element (12) Yu the product to be detected for moving the briquetting (1)
Portion is mutually adjacent to；
The pressure test device is used to detach the air in the air flue (11) and the air pressure in the detection air flue (11).
8. detection device as claimed in claim 7, which is characterized in that at the gas outlet (112) of the air flue (11) be equipped with
The pumping that the pressure test device matches connects mouth (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588755.1U CN208297061U (en) | 2018-04-24 | 2018-04-24 | A kind of detection jig and detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588755.1U CN208297061U (en) | 2018-04-24 | 2018-04-24 | A kind of detection jig and detection device |
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| Publication Number | Publication Date |
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| CN208297061U true CN208297061U (en) | 2018-12-28 |
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| CN201820588755.1U Active CN208297061U (en) | 2018-04-24 | 2018-04-24 | A kind of detection jig and detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390572A (en) * | 2020-03-12 | 2021-09-14 | Oppo（重庆）智能科技有限公司 | Airtight maintenance method and maintenance device |
-
2018
- 2018-04-24 CN CN201820588755.1U patent/CN208297061U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390572A (en) * | 2020-03-12 | 2021-09-14 | Oppo（重庆）智能科技有限公司 | Airtight maintenance method and maintenance device |
| CN113390572B (en) * | 2020-03-12 | 2022-12-13 | Oppo（重庆）智能科技有限公司 | Airtight maintenance method and maintenance device |
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