A kind of waterproof case of sealing test and tightness testing method of this housing be convenient to
Technical field
The present invention relates to a kind of organization plan of being convenient to waterproof case sealing test, refer to especially a kind of waterproof case of sealing test and tightness testing method of this housing be convenient to.
Background technology
As everyone knows, continuous variation along with people life style, also along with the variation on people's the continuous practical function of demand, as waterproof sealing aspect, constantly there is on the market waterproof mobile phone, waterproof camera etc. in some carry-on instrument articles for use that people use.
Mobile electronic equipment is to popularize in a large number at present the electronic equipment using, for mobile electronic equipment, such as mobile phone, national standard has waterproof sealing requirement, in production practices, factory, for the waterproof sealing performance test of mobile phone, is generally to adopt in two ways: a kind of mode is test prototype to be placed in to water soak the regular hour, then takes out and detects the inner presentation that whether has water to infiltrate; Another kind of mode is the gas inject of certain pressure value to be extracted in handset shell or from handset shell out to the gas of certain pressure value, observes whether there is lasting gas flow, thereby obtains the whether good result of waterproof sealing performance of mobile phone.
Two kinds of methods as above, although can realize the waterproof sealing performance test of model machine, all belong to sampling Detection, are not suitable for the online mode of production absolutely detecting.First kind of way is obviously not suitable for that every mobile phone producing is all placed in to water and tests; For second method, first it will punch on the housing of mobile phone, and then sealing tracheae owing to need to destroy the housing of mobile phone when testing, is not suitable for absolutely online detection for this reason yet.For the above-mentioned reasons, factory adopts the water resistance of verifying mobile phone by batch mode that extraction model machine detects, because not being absolutely all detects online, while is due to the difference of operator in production run and equipment, the every a collection of product that factory dispatches from the factory, the product that always has some has problems in water resistance, and obviously prior art has further improved necessity.Be more than conditional electronic equipment waterproof sealing testing scheme existing major technique defect in the specific implementation, be the subject matter that the present invention will research and solve.
Summary of the invention
The object of the present invention is to provide a kind of waterproof case of sealing test and tightness testing method of this housing be convenient to, its technical problem underlying to be solved is: the existing housing to mobile electronic equipment is not suitable for absolutely online waterproof sealing and detects.It is more than technical problem underlying to be solved by this invention.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of waterproof case of being convenient to sealing test, comprise housing, it is characterized in that: on described housing, offer an instrument connection that described housing is carried out to waterproof sealing test for passing into gas or extracting gases, in described instrument connection, be provided with the seal plug that can pierce through, described seal plug is blocked in described instrument connection, and interference fit between described seal plug and described instrument connection.
Be preferable over: on described instrument connection, be processed with counterbore, described seal plug screw plug is located in described counterbore, interference fit between described seal plug and described counterbore, the butt-end packing of filling in one end in described counterbore on described seal plug holds on the step between described instrument connection and described counterbore.
Be preferable over: the soft rubber stopper that described seal plug is a kind of cylinder, on described soft rubber stopper, be provided with O-ring seal, by described O-ring seal to carrying out enhanced leaktightness between described soft rubber stopper and the inner hole wall of counterbore.
Be preferable over: between the step that described soft rubber stopper and described counterbore form in described instrument connection, be provided with PC sheet, between described PC sheet and described step, drip irrigation has fluid glue, described PC sheet sealing sticks on described step.
A tightness testing method of being convenient to the waterproof case of sealing test, is characterized in that: its step comprises:
First, soft rubber stopper on housing described in the test needle pierces of air pressure conversion regulator is probeed in the chamber of housing, described air pressure conversion regulator has input air pressure pipe and gets rid of pneumatic tube, and described input air pressure pipe is to the pressure-air of inputting 1.0MP in described air pressure adjustment converter;
Secondly, by described air pressure conversion regulator control gas blow pipe or air intake duct, by described test syringe needle, in described housing, apply positive air pressure or negative pressure, unobstructed for guaranteeing the inner chamber of test syringe needle and housing, the instrument connection of offering on housing can not have foam, double faced adhesive tape or any structure of shutoff perforate that causes to exist by cavity medial surface, separately, after inserting, need from instrument connection, stretch out by test syringe needle, to guarantee the unobstructed of syringe needle;
Again, observe flowing of gas, judge whether described housing seals: as described in the sealing state of housing good,, after the air pressure balance between housing and described air pressure conversion regulator, gas will stop flowing; As described in the sealing state of housing not good, in described air pressure conversion regulator, can continue gas to be filled with or to be extracted out in described housing;
Finally, closed test hole, after having tested, is first pasted into PC sheet on the step that counterbore in described instrument connection forms, and then splashes into a certain amount of fluid glue, as silica gel etc. by as described in the permanent sealing of instrument connection, afterwards described soft rubber stopper is filled in described counterbore.
Be preferable over: when housing is carried out to sealing test, preferably use air-breathing test, as found seal gas leakage, insert gas blow pipe described housing is inflated, housing is immersed in the water simultaneously, can find Gas leak position.
Compared with prior art, the technique effect of present patent application is: the invention provides a kind of waterproof case of sealing test and tightness testing method of this housing be convenient to, the present invention is in the specific implementation: first, by offer an instrument connection on described housing, the cavity in described housing is in communication with the outside, the described seal plug that recycling is blocked in described instrument connection carries out waterproof sealing to described instrument connection, when described housing is carried out to sealing test, only seal plug described in test needle pierces need be probeed in the cavity of described housing, can test the sealing property of described housing, described seal plug is replaceable after being pierced and detecting, thereby do not destroy the sealing of described housing, secondly, owing to being by being preset in injecting with sealing soft rubber stopper instrument connection on handset shell to the gas of the certain pressure applying in described housing in test, while having overcome test, housing is caused the problem of damage for this reason, thereby applicable method of the present invention, can absolutely detect online mobile electronic equipment, obvious object of the present invention is achieved.
Accompanying drawing explanation
Fig. 1 is broken section decomposing schematic representation of the present invention.
Fig. 2 is the broken section decomposing schematic representation of a kind of preferred embodiment of the present invention.
Fig. 3 is a kind of soft rubber stopper schematic perspective view of the present invention.
Fig. 4 is the broken section assembling schematic diagram of a kind of preferred embodiment of the present invention.
Fig. 5 is that state cross-sectional schematic is executed in housing detection of the present invention.
Fig. 6 is that method of the present invention is implemented schematic diagram.
Embodiment
What below with reference to accompanying drawing 1 to 6 and preferred embodiment, the present invention is proposed is a kind ofly convenient to the waterproof case of sealing test and the tightness testing method of this housing is done more to describe in detail.
As shown in Figure 1, the invention provides a kind of waterproof case of being convenient to sealing test, comprise housing 10, it is characterized in that: on described housing 10, offer an instrument connection 20 that described housing 10 is carried out to waterproof sealing test for passing into gas or extracting gases, in described instrument connection 20, be provided with the seal plug 30 that can pierce through, described seal plug 30 is blocked in described instrument connection 20, and interference fit between described seal plug 30 and described instrument connection 20.
The present invention in the specific implementation, by offer an instrument connection 20 on described housing 10, the cavity in described housing 10 is in communication with the outside, 30 pairs of described instrument connections 20 of described seal plug that recycling is blocked in described instrument connection 20 carry out waterproof sealing, when described housing 10 is carried out to sealing test, only seal plug 30 described in test needle pierces need be probeed in the cavity of described housing 10, can test the sealing property of described housing 10, described seal plug 30 is replaceable after being pierced and detecting, thereby does not destroy the sealing of described housing 10.
As shown in Figure 2, preferred embodiment one: be processed with counterbore 21 on described instrument connection 20, described seal plug 30 plugs are located in described counterbore 21, interference fit between described seal plug 30 and described counterbore 21, the butt-end packing of filling in one end in described counterbore 21 on described seal plug 30 holds on the step 22 between described instrument connection 20 and described counterbore 21.The present invention in the specific implementation, utilizing interference fit between the axial plane of described seal plug 30 and the hole wall of counterbore 21 to reach seals described instrument connection 20, utilize the end face of described seal plug 30 to support on described step 22, further described instrument connection 20 is sealed, utilize the step 22 that described counterbore 21 forms in described instrument connection 20 to form a structure to described seal plug 30 axial location, prevent that described seal plug 30 from being filled in described housing 10 under the effect of external force.
As shown in Figure 3, preferred embodiment two: the soft rubber stopper that described seal plug 30 is a kind of cylinder, is provided with O-ring seal 31, by carrying out enhanced leaktightness between 31 pairs of described soft rubber stoppers of described O-ring seal and the inner hole wall of counterbore 21 on described soft rubber stopper.
As shown in Figure 4, preferred embodiment three: be provided with PC sheet 32 between the step 22 that described soft rubber stopper and described counterbore 21 form in described instrument connection 20, between described PC sheet 32 and described step 22, drip irrigation has fluid glue, 32 sealings of described PC sheet stick on described step 22, by sealing, stick in PC sheet 32 on described step 22 by the permanent sealing of described instrument connection 20.
As shown in Figure 5,6, a kind of tightness testing method of being convenient to the waterproof case of sealing test, is characterized in that: its step comprises:
First, the soft rubber stopper that the test syringe needle 41 of air pressure conversion regulator 40 is pierced through on described housing 10 probes in the chamber of housing 10, described air pressure conversion regulator 40 has input air pressure pipe 42 and gets rid of pneumatic tube 43, and described input air pressure pipe 44 is to the pressure-air of inputting 1.0MP in described air pressure adjustment converter 40;
Secondly, by described air pressure conversion regulator 40 control gas blow pipes 44 or air intake duct 45, by described test syringe needle 41, in described housing 10, apply positive air pressure or negative pressure, unobstructed with the inner chamber of housing 10 for guaranteeing test syringe needle 41, the instrument connection 20 of offering on housing 10 can not have foam, double faced adhesive tape or any structure of shutoff perforate that causes to exist by cavity medial surface, separately, after inserting, need from instrument connection 20, stretch out by test syringe needle 41, to guarantee the unobstructed of syringe needle;
Again, observe flowing of gas, judge whether described housing 10 seals: as described in the sealing state of housing 10 good,, after the air pressure balance between housing 10 and described air pressure conversion regulator 40, gas will stop flowing; As described in the sealing state of housing 10 not good, in described air pressure conversion regulator 40, can continue gas to be filled with or to be extracted out in described housing 10, above two states can significantly be observed by certain mode, therefore the sealing property of test verification cavity thus;
Finally, closed test hole, after having tested, first PC sheet 32 is pasted on the step 22 that in described instrument connection 20, counterbore 21 forms, then splash into a certain amount of fluid glue, as silica gel etc. by as described in the permanent sealing of instrument connection 20, described soft rubber stopper is filled in described counterbore 21 afterwards;
The present invention in the specific implementation, owing to being by being preset in injecting with sealing soft rubber stopper instrument connection on handset shell to the gas of the certain pressure applying in described housing 10 in test, while having overcome test, housing is caused the problem of damage for this reason, thereby applicable method of the present invention, can absolutely detect online mobile electronic equipment, obvious object of the present invention is achieved.
In test process: if the cavity of housing 10 and outside air conducting, air can be continuous through described air pressure conversion regulator 40 by gas blow pipe 42 or air intake duct, while being stabilized in a certain state to air-flow size, finally can demonstrate related data in the viewing area of described air pressure conversion regulator 40; As good seal, do not have air to enter regulator, display screen also has corresponding data to show.
Preferred embodiment: when housing 10 is carried out to sealing test, preferably use air-breathing test, as found seal gas leakage, insert 44 pairs of described housings 10 of gas blow pipe and inflate, housing 10 is immersed in the water simultaneously, can find Gas leak position.Air intake duct and the large I of gas blow pipe air pressure are regulated by regulator, and its size is different with the difference of testing standard.
Comprehensive the above, technical scheme of the present invention can fully effectively complete foregoing invention object, and structural principle of the present invention and the principle of work and power are all verified in an embodiment fully, and can reach effect and the object of expection, and embodiments of the invention also can convert according to these principles, therefore, the present invention includes all and in claim, mention all replacement contents in scope.Any equivalence of doing in the present patent application the scope of the claims changes, within all belonging to the scope of the claims of this case application.