CN209086719U - A kind of dripping water controller for test fixture - Google Patents

Abstract

The utility model discloses a kind of dripping water controllers for test fixture, wherein the jig body of test fixture includes box body, the dripping water controller is loaded in the top of box body, the dripping water controller includes clear water bearing tube and the control valve that drips, and the lower end of the control valve that drips is equipped with the syringe needle that drips.The dripping water controller of the utility model, it is precisely controlled the amount of dripping and position of dripping, by in product cover by instilling water droplet at sound hole, it blocks outside waterproof ventilated membrane by sound hole space, both avoided the product when extracting air pressure inside progress waterproof test, outside air enters to interiors of products by waterproof ventilated membrane from by sound hole position, but can effectively monitor be mounted on interiors of products waterproof ventilated membrane it is whether good, and whether can effectively prevent hydrone and enter interiors of products.

Description

A kind of dripping water controller for test fixture

Technical field

The utility model relates to jig technical fields, relate more specifically to a kind of dripping water controller for test fixture.

Background technique

Jig is to verify auxiliary tool used when product quality to cooperate production.According to the function of product into Row designs and develops mating corresponding test function, and the whether perfect jig of confirmation product function is function jig, therefore anti-aquatic products The waterproof performance detection of product is also essential to need to use waterproof detection jig, it is generally known that, industry is in waterproof product The waterproofing protection of microphone designs, and is widely used and is mounted waterproof and breathable by the position between sound hole and microphone in product Film, reaches external voice and can be penetrated by air dielectric and be conveyed to microphone by sound wall to interiors of products while completely cutting off liquid point Son enters inside machine from by sound hole position, avoids the dysfunctions such as microphone function failure.As shown in Figure 1, waterproof product packet The product cover 1 ', product face-piece 2 ', waterproof ventilated membrane 3 ' and microphone 4 ' being stacked from top to bottom are included, in corresponding microphone It is also provided on 4 ' position, the product cover 1 ' by sound hole 5 '.

Since waterproof ventilated membrane 3 ' and microphone 4 ' they are separate component materials, after the assembling of interiors of products contact, waterproof Ventilated membrane 3 ' and microphone 4 ' by close tolerance seal is not fully reached between sound wall, jig in the prior art is used for waterproof The percent of pass of test is lower, and need to repair quantitative proportion may be up to 20%.Waterproof product by taking certain mainstream digital terminal intercom as an example, Existing waterproof test process flow is as shown in Fig. 2, rejected product of the product through waterproof test instrument, and need to manually blow soaked inspection Gas leak position, and according to whether by by 5 ' position gas leakage of sound hole, Lai Chongxin determines whether bad outside waterproof ventilated membrane 3 ' Product, jig need to cooperate manual operation in waterproof detection, and in artificial decision process, it is influenced by personnel's technical ability, existing probability Property erroneous judgement, there is product waterproof property quality accident.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provide it is a kind of efficiently test for test fixture Dripping water controller, drip using from the outside of waterproof product to the position by sound hole, be precisely controlled the amount of dripping, close by sound hole Achieve the purpose that block waterproof ventilated membrane, then carry out product waterproof property test jobs, effectively avoids by interiors of products microphone Outside air caused by by the gap between sound wall and waterproof ventilated membrane leaks to interiors of products, and test equipment one is greatly reduced The pending rejected product sentenced again occurred after secondary property test, high-efficiency sieve select test non-defective unit and defective products, and reduction is manually sentenced again Manpower is saved in operation.

The utility model technical effect to be achieved is realized by following scheme: a kind of control of dripping for test fixture Device processed, wherein the jig body of test fixture includes box body, and the dripping water controller is loaded in the top of box body, the control of dripping Device processed includes clear water bearing tube and the control valve that drips, and the lower end of the control valve that drips is equipped with the syringe needle that drips.

Preferably, the time of dripping of the syringe needle that drips is 1s, and the amount of dripping is 0.01ml.

Preferably, clear water is provided in the clear water bearing tube, clear water passes through piping connection to the control valve that drips.

Preferably, the capacity of the clear water bearing tube is 100ml.

Preferably, the jig body further includes the first plate, the Second Board and the third plate of sequence setting from the bottom up Block, first plate, the Second Board and third plate are coaxially connected by connector, the Second Board and third plate by Pneumatic control mechanism control moves up and down.

Preferably, first plate is fixed on the upper surface of box body, the upper surface of the first plate to carry it is fixed to Survey waterproof product.

Preferably, the syringe needle that drips is set across third plate and the Second Board and with being aligned by sound hole for product to be measured It sets.

The utility model has the advantage that

The dripping water controller of the utility model is precisely controlled the amount of dripping and drips position, by product cover by sound Water droplet is instilled at hole, is blocked outside waterproof ventilated membrane by sound hole space, and the product had both been avoided to extract air pressure inside progress waterproof When test, outside air enters to interiors of products by waterproof ventilated membrane from by sound hole position, and can effectively monitor and be mounted on production Whether the waterproof ventilated membrane inside product is good, and whether can effectively prevent hydrone and enter interiors of products.

Detailed description of the invention

Fig. 1 is the partial structural diagram of waterproof product；

Fig. 2 is the process flow chart of testing water-proof product in the prior art；

Fig. 3 is the planar structure schematic diagram that test fixture includes dripping water controller in the utility model；

Fig. 4 is the schematic perspective view that test fixture includes dripping water controller in the utility model.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand For limitations of the present invention.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.

In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result, Feature can explicitly or implicitly include one or more this feature." multiple " contain in the description of the present invention, Justice is two or more, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also may be used also indirectly connected through an intermediary To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art, The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Embodiment one

The utility model embodiment one provides a kind of dripping water controller for test fixture, and wherein the test fixture is used for Waterproof product is built-in with the waterproof performance test of waterproof ventilated membrane.Specifically, the waterproof product can be communication device, it is such as right It says mechanical, electrical words etc., microphone is equipped in communication device, communication device is also provided with by sound hole, and external voice passes through air dielectric It penetrates to microphone and is realized the voice transfer of communication device by sound wall.Due to by sound hole by the inside and outside connection of product, because This, can be by being arranged waterproof ventilated membrane generally for making product reach waterproof purpose between sound hole and microphone, the waterproof and breathable External voice, which had both may be implemented, in film crosses air dielectric and penetrates to interiors of products and be conveyed to microphone by sound wall, while can also completely cut off Fluid molecule enters interiors of products from by sound hole position, effectively avoids the dysfunctions such as microphone function failure.

Since waterproof ventilated membrane and microphone are separate component materials, after the assembling of interiors of products contact, waterproof and breathable By close tolerance seal is not fully reached between sound wall, waterproof test percent of pass is lower for film and microphone, and the utility model is real The dripping water controller for applying example offer blocks outside waterproof ventilated membrane in product cover by water droplet is instilled at sound hole by sound hole sky Between, both avoided the product when extracting air pressure inside progress waterproof test, outside air passes through waterproof and breathable from by sound hole position Film enters to interiors of products, but can effectively monitor be mounted on interiors of products waterproof ventilated membrane it is whether good, and whether can have Effect prevents hydrone from entering interiors of products.

As shown in Figure 3-4, the test fixture of the utility model includes jig body 100, pneumatic control mechanism 200 and drips Controller 300.The jig body 100 includes box body 110, and the pneumatic control mechanism 200 and dripping water controller 300 are loaded in The top of box body 110 can load PLC control circuit board in the box body 110.The jig body 100 further includes from the bottom up The first plate 120, the Second Board 130 and the third plate 140 of sequence setting, first plate 120,130 and of the Second Board Third plate 140 is coaxially connected by connector 150, and the Second Board 130 and third plate 140 are by pneumatic control mechanism 200 controls move up and down.First plate 120 is fixed on the upper surface of box body 110, the upper surface of the first plate 120 to The fixed waterproof product to be measured of carrying.

Dripping water controller 300 provided by the utility model includes clear water bearing tube 310 and the control valve 320 that drips, control of dripping The lower end of valve 320 processed, which is equipped with, drips syringe needle 321, the syringe needle 321 that drips pass through third plate 140 and the Second Board 130 and with it is to be measured Being aligned by sound hole for product is arranged, and realizes being precisely controlled for drip position and the amount of dripping.Specifically, it is set in clear water bearing tube 310 It is equipped with clear water, clear water is connected to the control valve 320 that drips by pipeline 330, and the control valve 320 that drips is precisely controlled water yield and realizes essence Standard is dripped.

Drip described in the utility model syringe needle 321 drip the time be 1s, the amount of dripping be 0.01ml, can just expire Foot is completely enclosed by sound hole.The diameter of the drip number and the syringe needle 321 that drips of the syringe needle 321 that drips is inversely proportional, this is practical It is novel to be not especially limited.

The capacity of clear water bearing tube described in the utility model 310 is 100ml, the clear water bearing tube 310 of the content volume Size is suitable, and the waterproof product detection that can satisfy a batch or multiple batches uses, and does not have to repeated loading clear water.

The jig body 100 further includes two switch buttons 160, one-key start, the preferred difference of the switch button 160 The two sides of box body 110 are set, it is necessary to while pressing and could start, avoid singlehanded starting.After starting switch button 160, pneumatically The control the Second Board 130 of control mechanism 200, which drops to, overlays product to be measured, prevents product from shaking, the preferably described the Second Board 130 Lower end surface be equipped with profiling product surface structure；Then pneumatic control mechanism 200 controls third plate 140 and the control valve that drips 320 decline together, and elastic component 170 is equipped between the Second Board 130 and third plate 140, utilizes pneumatic control mechanism 200 Control descending stroke control elastic component 170 decrement, thus the syringe needle 321 that drips for reaching the control valve 320 that drips protrude into it is to be measured Product then is carried out control of dripping by the depth of sound hole, is blocked waterproof ventilated membrane and is contacted with product outside air, after the completion of dripping, Pneumatic control mechanism 200 controls third plate 140 and rises, and drive is dripped, and (the Second Board 130 is kept the rising of control valve 320 at this time Compress Product Status), last waterproof tester 300 starts to be tested, and after the completion of test, outputs test data to measuring and calculation Machine 400, output display.

The pneumatic control mechanism 200 further includes escape pipe 210 and air inlet pipe 220.

Connector 150 between first plate 120, the Second Board 130 and third plate 140 can be rod piece, institute The quantity for stating rod piece can be four, respectively symmetrically be formed in four corners of plate, one end of the rod piece can be with One plate 120 is fixedly connected, and the Second Board 130 and third plate 140 can move up and down with respect to rod piece.Described second It is sliding that elastic component 170 between plate 130 and third plate 140 can be the support between the Second Board 130 and third plate 140 Spring is provided on bar, the quantity of the elastic component 170 can be four, in being symmetrically threaded through the Second Board 130 and third Between plate 140.

The utility model embodiment tests procedure for producing by taking sea can reach PD7 series intercom as an example, using this test fixture After middle product waterproof property, disposable waterproof tests Yield lmproved 17.23%, and waterproof test non-defective unit output capacity is up to 97.55%, because The test fixture of this utility model embodiment can reduce product test erroneous judgement to be measured, promote product waterproof test efficiency, prevent Erroneous judgement when only manually sentencing again promotes product yield, avoids quality accident or customer complaint, can also save manpower, reduce cost.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model embodiment rather than right It is limited, although the utility model embodiment is described in detail referring to preferred embodiment, this field it is common Technical staff should understand that still be modified or replaced equivalently the technical solution of the utility model embodiment, and this A little ranges modified or equivalent replacement cannot also make modified technical solution be detached from the utility model embodiment technical solution.

Claims (7)

1. a kind of dripping water controller for test fixture, wherein the jig body of test fixture includes box body, the control of dripping Device processed is loaded in the top of box body, which is characterized in that the dripping water controller includes clear water bearing tube and drips control valve, described The drip lower end of control valve is equipped with and drips syringe needle.

2. a kind of dripping water controller for test fixture as described in claim 1, which is characterized in that the syringe needle that drips The time drip for 1s, the amount of dripping is 0.01ml.

3. a kind of dripping water controller for test fixture as described in claim 1, which is characterized in that the clear water bearing tube It is inside provided with clear water, clear water passes through piping connection to the control valve that drips.

4. a kind of dripping water controller for test fixture as described in claim 1, which is characterized in that the clear water bearing tube Capacity be 100ml.

5. a kind of dripping water controller for test fixture as described in claim 1, which is characterized in that the jig body is also The first plate, the Second Board and third plate including sequence setting from the bottom up, first plate, the Second Board and third Plate is coaxially connected by connector, and the Second Board and third plate are moved up and down by pneumatic control mechanism control.

6. a kind of dripping water controller for test fixture as claimed in claim 5, which is characterized in that first plate is solid It is scheduled on the upper surface of box body, the upper surface of the first plate is to carry fixed waterproof product to be measured.

7. a kind of dripping water controller for test fixture as claimed in claim 5, which is characterized in that the syringe needle that drips is worn It crosses third plate and the Second Board and is directed at setting by sound hole with product to be measured.